:root {
    --primary: #2563EB;
    --primary-light: #3B82F6;
    --primary-dark: #1D4ED8;
    --accent: #06B6D4;
    --gradient: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    --gradient-hover: linear-gradient(135deg, #1D4ED8 0%, #0891B2 100%);
    --bg-dark: #000000;
    --bg-darker: #000000;
    --bg-card: rgba(255,255,255,0.03);
    --bg-card-hover: rgba(255,255,255,0.06);
    --text-primary: #F5F5F7;
    --text-secondary: #86868B;
    --border: rgba(255,255,255,0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
    overflow-x: hidden;
    overflow-y: scroll;
}

html, body {
    max-width: 100%;
    overflow-x: hidden;
    overscroll-behavior-x: none;
    position: relative;
}

html::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background: var(--bg-darker);
    color: var(--text-primary);
    overflow-x: hidden;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

body::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, li {
    list-style: none;
}

/* Hero Section - New Style */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #0a0a1a 0%, #0d1025 30%, #0a0a12 70%, #000000 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

#particleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-bg-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, var(--primary) 0%, transparent 40%),
        radial-gradient(circle at 80% 50%, var(--accent) 0%, transparent 40%);
    opacity: 0.12;
    filter: blur(80px);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero_content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: 0 40px;
}

.hero-subtitle {
    font-size: 18px;
    font-weight: 600;
    background: linear-gradient(90deg, #3B82F6, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.2s forwards;
}

.hero_content h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: #f5f5f7;
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.4s forwards;
}

.hero_content h1 .highlight {
    background: linear-gradient(90deg, #2563EB, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.hero_content h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #2563EB, #06B6D4);
    animation: expandWidth 0.8s ease-out 0.8s forwards;
    transform-origin: left;
    transform: scaleX(0);
}

@keyframes expandWidth {
    to { transform: scaleX(1); }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hero_content .hero_desc {
    font-size: 20px;
    font-weight: 400;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto 40px;
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.6s forwards;
}

.hero_cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.8s forwards;
}

.hero_cta .btn_primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: #fff;
    padding: 18px 36px;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.4);
}

.hero_cta .btn_primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 16px 48px rgba(37, 99, 235, 0.5);
}

.hero_cta .btn_secondary {
    display: inline-flex;
    align-items: center;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.3);
    color: #fff;
    padding: 18px 36px;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    transition: all 0.3s;
}

.hero_cta .btn_secondary:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-3px);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    cursor: pointer;
    z-index: 10;
    opacity: 0;
    animation: fadeIn 1s ease-out 1.2s forwards, bounce 2s ease-in-out 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.hero-scroll-icon {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 12px;
    position: relative;
}

.hero-scroll-icon::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.7);
    border-radius: 4px;
    animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: 8px; opacity: 1; }
    100% { top: 24px; opacity: 0; }
}

/* 히어로 하단 그라데이션 페이드 */
#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(to bottom, transparent 0%, #000 100%);
    z-index: 5;
    pointer-events: none;
}

/* Section Common - Apple Style */
.section {
    padding: 100px 0;
    position: relative;
}
.section + .section {
    margin-top: 100px;
}

.section_inner {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 22px;
}

.section_title {
    text-align: center;
    margin-bottom: 60px;
}

.section_title .sub {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-light);
    letter-spacing: 1px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.section_title h2 {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: #f5f5f7;
}

.section_title h2 .highlight {
    background: linear-gradient(90deg, #2563EB, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 경력 섹션 - Vertical Stack Style */
#AboutA {
    background:
        /* 우상단 글로우 */
        radial-gradient(ellipse 600px 400px at 85% 15%, rgba(37, 99, 235, 0.15) 0%, transparent 70%),
        /* 좌하단 글로우 */
        radial-gradient(ellipse 500px 350px at 10% 85%, rgba(6, 182, 212, 0.12) 0%, transparent 70%),
        /* 중앙 미세한 글로우 */
        radial-gradient(ellipse 800px 600px at 50% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 60%),
        /* 베이스 그라데이션 */
        linear-gradient(180deg, #000000 0%, #0a0a0f 50%, #000000 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

/* About 섹션 그리드 패턴 */
#AboutA::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(0deg, transparent 98%, rgba(37, 99, 235, 0.03) 100%),
        linear-gradient(90deg, transparent 98%, rgba(6, 182, 212, 0.03) 100%);
    background-size: 100% 80px, 80px 100%;
    pointer-events: none;
}

/* 상단 페이드 라인 */
#AboutA::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(37, 99, 235, 0.3) 20%,
        rgba(6, 182, 212, 0.5) 50%,
        rgba(37, 99, 235, 0.3) 80%,
        transparent 100%);
}

#AboutA .section_inner {
    position: relative;
    z-index: 1;
}

.about_header {
    text-align: center;
    margin-bottom: 60px;
}

.about_header h2 {
    font-size: 32px;
    font-weight: 600;
    color: #f5f5f7;
    margin-bottom: 8px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.about_header h2.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.about_header .highlight_text {
    font-size: 32px;
    font-weight: 600;
    background: linear-gradient(90deg, #2563EB, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* 모바일 전용 줄바꿈 - 기본적으로 숨김 */
.mobile-br {
    display: none;
}

.about_header .highlight_text.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.about_logo_card {
    max-width: 420px;
    margin: 0 auto 40px;
    background: #fff;
    border-radius: 24px;
    padding: 48px 40px;
    text-align: center;
}

.about_logo_card .logo_main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.about_logo_card .logo_icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #2563EB, #06B6D4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
}

.about_logo_card .logo_text {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: -1px;
}

.about_logo_card .logo_text span {
    color: var(--primary);
}

.about_logo_card .tagline {
    display: inline-block;
    background: linear-gradient(135deg, #2563EB, #06B6D4);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 100px;
    letter-spacing: 0.5px;
}

.about_logo_card .since {
    margin-top: 16px;
    font-size: 13px;
    color: #86868b;
    letter-spacing: 1px;
}

.stats_stack {
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stat_card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 24px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.stat_card.animate-in {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.stat_card .stat_label {
    font-size: 15px;
    color: #86868b;
}

.stat_card .stat_value {
    font-size: 28px;
    font-weight: 600;
    background: linear-gradient(90deg, #2563EB, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat_card.featured {
    background: rgba(37, 99, 235, 0.1);
    border-color: rgba(37, 99, 235, 0.3);
}

.stat_card.featured .stat_value {
    font-size: 32px;
}

.stat_row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.stat_row .stat_card {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.stat_row .stat_card .stat_label {
    font-size: 13px;
}

.stat_row .stat_card .stat_value {
    font-size: 24px;
}

.awards_slider {
    margin-top: 80px;
    overflow: hidden;
}

.awards_track {
    display: flex;
    gap: 60px;
    animation: scrollAwards 30s linear infinite;
}

@keyframes scrollAwards {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.award_item {
    flex-shrink: 0;
    text-align: center;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.award_item:hover {
    opacity: 1;
}

.award_item .award_year {
    font-size: 11px;
    color: #86868b;
    margin-bottom: 4px;
}

.award_item .award_title {
    font-size: 13px;
    color: #f5f5f7;
    font-weight: 500;
}

.award_item .award_icon {
    font-size: 24px;
    margin-bottom: 8px;
}

/* 개별관리의 원조 섹션 - Apple Style */
#origin {
    background: #000;
    padding: 120px 0;
}

#origin .section_desc {
    font-size: 17px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    margin-top: 16px;
}

.origin_content {
    max-width: 1000px;
    margin: 0 auto;
}

/* 비교 테이블 스타일 */
.compare_table {
    background: rgba(255,255,255,0.02);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.compare_header {
    display: grid;
    grid-template-columns: 1fr 100px 1fr;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border);
}

.header_fake,
.header_real {
    padding: 24px 20px;
    font-size: 17px;
    font-weight: 600;
    text-align: center;
}

.header_fake {
    color: #86868b;
}

.header_real {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.header_center {
    background: transparent;
}

.compare_row {
    display: grid;
    grid-template-columns: 1fr 100px 1fr;
    border-bottom: 1px solid var(--border);
}

.compare_row:last-child {
    border-bottom: none;
}

.row_fake,
.row_real {
    padding: 24px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.row_fake p,
.row_real p {
    font-size: 14px;
    line-height: 1.7;
    margin: 0;
}

.row_fake {
    background: transparent;
    text-align: center;
}

.row_fake p {
    color: #86868b;
}

.row_fake .dim {
    color: #6e6e73;
    font-size: 13px;
}

.row_real {
    background: rgba(255, 255, 255, 0.04);
    text-align: center;
}

.row_real p {
    color: #f5f5f7;
}

.row_real strong {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.row_center {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.02);
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
}

.category_badge {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
    font-size: 12px;
    font-weight: 600;
    border-radius: 6px;
    white-space: nowrap;
}

@media (max-width: 834px) {
    .compare_header,
    .compare_row {
        grid-template-columns: 1fr 80px 1fr;
    }

    .row_fake,
    .row_real {
        padding: 20px 16px;
    }

    .row_fake p,
    .row_real p {
        font-size: 13px;
    }

    .category_badge {
        padding: 6px 12px;
        font-size: 11px;
    }

    .header_fake,
    .header_real {
        font-size: 14px;
        padding: 16px 12px;
    }
}

@media (max-width: 600px) {
    .compare_table {
        border-radius: 12px;
    }

    .compare_header,
    .compare_row {
        grid-template-columns: 1fr 1fr;
    }

    .header_center,
    .row_center {
        display: none;
    }

    .header_fake,
    .header_real {
        padding: 12px 10px;
        font-size: 12px;
    }

    .row_fake,
    .row_real {
        padding: 16px 12px;
        text-align: center;
    }

    .row_fake p,
    .row_real p {
        font-size: 11px;
        line-height: 1.5;
    }

    .row_fake .dim {
        font-size: 10px;
    }

    .category_badge {
        display: none;
    }
}

/* 수업 소개 카드 섹션 - 2 Column Layout */
#class-intro {
    background: linear-gradient(to bottom, #ffffff 0%, #f0f7ff 100%);
    padding: 120px 0;
    position: relative;
}

#class-intro .section_inner {
    display: block;
}

#class-intro .section_title {
    text-align: center;
    margin-bottom: 60px;
}

#class-intro .section_title .sub {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 16px;
}

#class-intro .section_title h2 {
    color: #111;
    font-size: 36px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 24px;
}

#class-intro .section_title h2 .highlight {
    color: #111;
    -webkit-text-fill-color: #111;
    background: none;
}

#class-intro .section_title .section_desc {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.class_cards {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.class_cards_row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    width: 100%;
}

/* 일반 카드 */
.class_card {
    background: #f8f9fa;
    border: none;
    border-radius: 16px;
    padding: 32px 28px;
    text-align: left;
    transition: all 0.3s ease;
}

.class_card:hover {
    background: #f1f3f4;
    transform: translateY(-4px);
}

.class_card .class_icon {
    width: 56px;
    height: 56px;
    background: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.class_card .class_icon svg {
    width: 28px;
    height: 28px;
    stroke: #fff;
    stroke-width: 2;
}

.class_card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #111;
    margin-bottom: 12px;
}

.class_card .class_desc {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 24px;
}

.class_card .class_features {
    display: block;
    margin-top: 0;
}

.class_card .class_features li {
    font-size: 14px;
    color: #555;
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.class_card .class_features li::before {
    content: '';
    width: 5px;
    height: 5px;
    background: #999;
    border-radius: 50%;
    flex-shrink: 0;
}

.class_card .class_target {
    display: none;
}

/* 강조 카드 (1:1 매일관리) */
.class_card.featured {
    background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
    padding: 40px 32px;
}

.class_card.featured:hover {
    background: linear-gradient(135deg, #1e40af 0%, var(--primary) 100%);
    transform: translateY(-4px);
}

.class_card.featured .class_icon {
    background: rgba(255, 255, 255, 0.2);
}

.class_card.featured h3 {
    color: #fff;
    font-size: 22px;
    margin-bottom: 12px;
}

.class_card.featured .class_desc {
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    margin-bottom: 24px;
}

.class_card.featured .class_features {
    display: block;
    margin-bottom: 0;
    border: none;
    padding: 0;
}

.class_card.featured .class_features li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.class_card.featured .class_features li::before {
    content: '';
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    flex-shrink: 0;
}

/* 중간 멘트 */
.class_between_text {
    font-size: 18px;
    font-weight: 600;
    color: #666;
    text-align: center;
    margin: 48px 0;
}

/* DNA 카드 */
.class_card.dna_card {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid rgba(59, 130, 246, 0.1);
    padding: 48px 60px;
    text-align: center;
    width: 100%;
    max-width: 100%;
}

.class_card.dna_card:hover {
    background: linear-gradient(135deg, #e0f2fe 0%, #dbeafe 100%);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
}

.class_card.dna_card .class_icon {
    background: linear-gradient(135deg, #06B6D4 0%, var(--primary) 100%);
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
}

.class_card.dna_card .class_icon svg {
    stroke: #fff;
    width: 32px;
    height: 32px;
}

.class_card.dna_card h3 {
    color: #111;
    font-size: 22px;
    margin-bottom: 12px;
}

.class_card.dna_card .class_desc {
    color: #666;
    font-size: 15px;
    margin-bottom: 24px;
}

.btn_dna {
    background: var(--primary);
    border: none;
    padding: 16px 48px;
    border-radius: 12px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
}

.btn_dna:hover {
    background: #1e40af;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
    transform: translateY(-2px);
}

/* 맞춤 수업 진행 방식 (스티키 탭) - Apple Style */
#class-detail {
    background: #000;
    padding: 120px 0;
}

.sticky_tabs {
    position: sticky;
    top: 64px;
    z-index: 100;
    display: flex;
    justify-content: center;
    padding: 0;
    background: transparent;
    margin-bottom: 48px;
    margin-top: -20px;
}

.tab_container {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: rgba(30, 30, 30, 0.95);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.15);
}

.tab_btn {
    background: transparent;
    border: none;
    color: #86868b;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    border-radius: 8px;
}

.tab_btn:hover {
    color: #f5f5f7;
    background: rgba(255,255,255,0.05);
}

.tab_btn.active {
    color: #fff;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.tab_content {
    display: none;
}

.tab_content.active {
    display: block;
}

.process_section,
.todo_section,
.target_section,
.advantage_section {
    background: rgba(255,255,255,0.03);
    border-radius: 18px;
    padding: 40px;
    margin-bottom: 100px;
}

.process_section h4,
.todo_section h4,
.target_section h4,
.advantage_section h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 32px;
    text-align: center;
    color: #f5f5f7;
}

.process_flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.process_item {
    text-align: center;
}

.process_icon {
    width: 64px;
    height: 64px;
    background: rgba(37, 99, 235, 0.15);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 24px;
}

.process_item span {
    font-size: 13px;
    font-weight: 500;
    color: #86868b;
}

.process_arrow {
    font-size: 18px;
    color: #86868b;
}

.todo_grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.todo_card {
    background: rgba(255,255,255,0.02);
    border-radius: 12px;
    padding: 24px;
}

.todo_card h5 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--primary-light);
}

.todo_card ul li {
    font-size: 14px;
    color: #86868b;
    padding: 4px 0;
}

.todo_flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.todo_flow span {
    font-size: 13px;
    color: #86868b;
}

.todo_flow span:nth-child(odd) {
    background: rgba(37, 99, 235, 0.1);
    padding: 6px 12px;
    border-radius: 6px;
    color: var(--primary-light);
}

.target_list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.target_item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.02);
    padding: 16px;
    border-radius: 10px;
}

.target_icon {
    width: 24px;
    height: 24px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    color: #fff;
}

.target_item span:last-child {
    font-size: 14px;
    color: #86868b;
}

/* ========================================
   1:1 수업 사이클 시스템 (v2 - 스크롤 기반)
   ======================================== */
.cycle-section {
    --card-w: 266px;
    --card-h: 308px;
    --card-footer-h: 112px;
    --mark-fz: 12px;
    --mark-fz-active: 14px;
    --ttl-fz: 15px;
    --ttl-fz-active: 17px;
    overflow: visible !important;
    position: relative;
}

.cycle-section .cycle-pin {
    position: sticky;
    top: 100px;
    height: calc(100vh - 100px);
    overflow: hidden;
    background: #000;
    z-index: 1;
    padding-top: 40px;
}

.cycle-section .cycle-bg {
    position: absolute;
    inset: 0;
    background: #000;
    z-index: 0;
}

.cycle-section .cycle-head {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px 40px;
}

.cycle-section .cycle-head h2 {
    margin: 0;
    font-size: clamp(20px, 2.5vw, 28px);
    line-height: 1.35;
    color: #fff;
}

.cycle-section .cycle-head .accent {
    color: #2563EB;
}

.cycle-section .cycle-body {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 20px;
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.cycle-section .cycle-left {
    flex: 0 0 240px;
    min-height: 45vh;
    padding-left: 40px;
    position: relative;
}

.cycle-section .rail {
    position: absolute;
    left: 12px;
    width: 4px;
    height: 0;
    top: 0;
    background: linear-gradient(180deg, #1D4ED8 0%, #9333EA 100%);
    border-radius: 999px;
    opacity: 0.35;
}

.cycle-section .rail-fill {
    position: absolute;
    left: 12px;
    width: 4px;
    height: 0;
    top: 0;
    background: #2563EB;
    border-radius: 999px;
    box-shadow: 0 0 0 8px rgba(37, 99, 235, 0.15), 0 0 16px rgba(37, 99, 235, 0.25);
    transition: height 0.25s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.cycle-section .steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.cycle-section .step {
    display: flex;
    align-items: center;
    gap: 16px;
    color: #666;
    opacity: 0.5;
    transition: opacity 0.25s ease, transform 0.25s ease;
    cursor: pointer;
}

.cycle-section .step .mark {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    border: 2px solid rgba(255, 255, 255, 0.1);
    background: #1a1a1f;
    color: #888;
    font-weight: 800;
    font-size: var(--mark-fz);
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    flex-shrink: 0;
}

.cycle-section .step .ttl {
    font-weight: 800;
    font-size: var(--ttl-fz);
    white-space: nowrap;
    transition: color 0.2s ease, font-size 0.2s ease;
}

.cycle-section .step.is-active {
    opacity: 1;
    transform: translateX(2px);
}

.cycle-section .step.is-active .mark {
    background: var(--accent, #2563EB);
    color: #fff;
    border-color: transparent !important;
    box-shadow: 0 0 0 8px var(--accent-glow, rgba(37, 99, 235, 0.4));
    font-size: var(--mark-fz-active);
    transform: scale(1.08);
}

.cycle-section .step.is-active .ttl {
    color: var(--accent, #2563EB) !important;
    font-size: var(--ttl-fz-active);
}

.cycle-section .cycle-right {
    flex: 1;
    position: relative;
    padding-top: var(--align, 0px);
    overflow: visible;
    display: flex;
    justify-content: center;
}

.cycle-section .card-holder {
    position: relative;
    min-height: var(--card-h);
    width: calc(var(--card-w) * 2 + 20px);
    --active: 0;
    --gap: 20px;
}

.cycle-section .card {
    --k: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: var(--card-w);
    height: var(--card-h);
    border-radius: 20px;
    overflow: hidden;
    background: #fff;
    color: #111;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.2);
    --tx: calc((var(--k) - var(--active)) * (var(--card-w) + var(--gap)));
    transform: translateX(var(--tx)) translateY(8px) scale(0.98);
    transform-origin: left top;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s ease, opacity 0.35s ease, filter 0.35s ease;
}

.cycle-section .card.is-active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(var(--tx)) translateY(0) scale(1);
    filter: none;
}

.cycle-section .card.is-next {
    opacity: 1;
    pointer-events: none;
    filter: grayscale(1) saturate(0) brightness(0.6);
    transform: translateX(var(--tx)) translateY(0) scale(0.92);
}

.cycle-section .card-top {
    min-height: calc(var(--card-h) - var(--card-footer-h));
    padding: 20px 18px 12px;
    display: block;
}

.cycle-section .card .pill {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fff;
    margin-bottom: 10px;
}

.cycle-section .card h3 {
    margin: 0 0 10px;
    font-size: 18px;
    font-weight: 800;
    line-height: 1.25;
    color: #fff;
}

.cycle-section .card-top p {
    margin: 0;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
    font-size: 11px;
}

.cycle-section .card-bottom {
    height: var(--card-footer-h);
    background: #fff;
    color: #111;
    padding: 14px 18px 14px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.cycle-section .card-bottom h4 {
    margin: 0 0 8px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.4;
    color: #1a1a1f;
}

.cycle-section .chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.cycle-section .chips span {
    background: rgba(0, 0, 0, 0.06);
    border-radius: 12px;
    font-size: 9px;
    padding: 4px 8px;
    font-weight: 600;
    color: #2a2a2f;
}

/* 카드 테마 색상 (파랑→보라 그라데이션 - 진한 버전) */
.cycle-section .card[data-theme="blue1"] .card-top { background: #1D4ED8; }
.cycle-section .card[data-theme="blue2"] .card-top { background: #4F46E5; }
.cycle-section .card[data-theme="blue3"] .card-top { background: #7C3AED; }
.cycle-section .card[data-theme="blue4"] .card-top { background: #9333EA; }

/* 스페이서 */
.cycle-section .cycle-spacer {
    height: 200vh;
}

/* 사이클 인디케이터 - 카드 하단 중앙 */
.cycle-section .cycle-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    z-index: 10;
    margin-top: 30px;
    width: 100%;
}

.cycle-section .cycle-indicator .arrows {
    display: flex;
    gap: 0;
}

.cycle-section .cycle-indicator .arrows span {
    font-size: 54px;
    font-weight: 700;
    margin-left: -8px;
    animation: chevronPulse 2s ease-in-out infinite;
}
.cycle-section .cycle-indicator .arrows span:first-child {
    margin-left: 0;
}

.cycle-section .cycle-indicator .arrows span:nth-child(1) { color: #1D4ED8; animation-delay: 0s; }
.cycle-section .cycle-indicator .arrows span:nth-child(2) { color: #3730A3; animation-delay: 0.1s; }
.cycle-section .cycle-indicator .arrows span:nth-child(3) { color: #4F46E5; animation-delay: 0.2s; }
.cycle-section .cycle-indicator .arrows span:nth-child(4) { color: #6D28D9; animation-delay: 0.3s; }
.cycle-section .cycle-indicator .arrows span:nth-child(5) { color: #7C3AED; animation-delay: 0.4s; }
.cycle-section .cycle-indicator .arrows span:nth-child(6) { color: #9333EA; animation-delay: 0.5s; }

@keyframes chevronPulse {
    0%, 100% { opacity: 0.4; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(3px); }
}

.cycle-section .cycle-indicator .label {
    color: #7C3AED;
    font-size: 21px;
    font-weight: 700;
    letter-spacing: 1.5px;
}

/* 모바일 대응 */
@media (max-width: 768px) {
    .cycle-section {
        --card-w: calc(100% - 24px);
        --card-h: 360px;
        --card-footer-h: 120px;
    }
    .cycle-section .cycle-body {
        flex-direction: column;
        gap: 16px;
    }
    .cycle-section .cycle-left {
        flex: none;
        width: 100%;
        min-height: auto;
        padding-left: 40px;
    }
    .cycle-section .rail,
    .cycle-section .rail-fill {
        left: 20px;
    }
    .cycle-section .steps {
        gap: 20px;
    }
    .cycle-section .step .mark {
        width: 56px;
        height: 56px;
    }
    .cycle-section .cycle-right {
        padding-top: 0;
        overflow: hidden;
    }
    .cycle-section .card {
        position: relative;
        left: auto;
        top: auto;
        transform: none;
        opacity: 0;
        margin-top: 8px;
    }
    .cycle-section .card.is-active {
        opacity: 1;
    }
    .cycle-section .card.is-next {
        opacity: 0;
    }
}

.lecture_features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.lecture_feature {
    text-align: center;
    padding: 24px 16px;
    background: rgba(255,255,255,0.02);
    border-radius: 12px;
}

.lecture_feature .feature_icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.lecture_feature h5 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #f5f5f7;
}

.lecture_feature p {
    font-size: 12px;
    color: #86868b;
    line-height: 1.5;
}

.advantage_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.advantage_item {
    background: rgba(255,255,255,0.02);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.advantage_item .adv_num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 50%;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #fff;
}

.advantage_item p {
    font-size: 14px;
    color: #86868b;
}

.advantage_item p strong {
    color: var(--primary-light);
}

/* Weekly Cycle 컴포넌트 */
.weekly-cycle {
    background: #1c1c1e;
    border-radius: 20px;
    padding: 48px 40px;
    margin-top: 40px;
}

.weekly-cycle__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 12px;
}

.weekly-cycle__title {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: #f5f5f7;
}

.weekly-cycle__head .weekly-cycle__legend {
    display: flex;
    gap: 16px;
}

.weekly-cycle__head .legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #86868b;
}

.weekly-cycle__head .legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    display: inline-block;
}

.weekly-cycle__head .legend-dot.active {
    background: #2563eb;
}

.weekly-cycle__head .legend-dot.pending {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
}

.weekly-cycle__head .legend-dot.done {
    background: #48484a;
}

.weekly-cycle__stage {
    position: relative;
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.weekly-cycle__svg {
    width: 320px;
    height: 320px;
    max-width: 100%;
}

.weekly-cycle .ring-base {
    fill: none;
    stroke: rgba(255,255,255,0.08);
    stroke-width: 12;
}

.weekly-cycle .sector {
    fill: rgba(255,255,255,0.05);
    stroke: rgba(255,255,255,0.1);
    stroke-width: 1;
    transition: all 0.3s ease;
    cursor: pointer;
}

.weekly-cycle .sector:hover {
    fill: rgba(255,255,255,0.1);
}

.weekly-cycle .sector[data-state="active"] {
    fill: #2563eb;
    filter: drop-shadow(0 2px 12px rgba(37, 99, 235, 0.6));
}

.weekly-cycle .sector[data-state="done"] {
    fill: #48484a;
    stroke: #636366;
}

.weekly-cycle .center-bg {
    fill: #1c1c1e;
    stroke: rgba(255,255,255,0.1);
    stroke-width: 1;
}

.weekly-cycle .center-day {
    font-size: 18px;
    font-weight: 800;
    fill: #2563eb;
}

.weekly-cycle .center-content {
    font-size: 11px;
    font-weight: 600;
    fill: #f5f5f7;
}

.weekly-cycle .labels {
    position: absolute;
    inset: 0;
    width: 320px;
    height: 320px;
    left: 50%;
    transform: translateX(-50%);
}

.weekly-cycle .day-label {
    position: absolute;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    font-size: 13px;
    font-weight: 700;
    color: #f5f5f7;
    background: #2c2c2e;
    border: 1.5px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.weekly-cycle .day-label:hover {
    background: #3c3c3e;
    border-color: rgba(255,255,255,0.2);
}

.weekly-cycle .day-label.is-active {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.5);
}

.weekly-cycle .day-label.is-done {
    background: #48484a;
    color: #fff;
    border-color: #636366;
}

.weekly-cycle__timeline {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

.weekly-cycle__timeline .pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    background: rgba(255,255,255,0.03);
    min-width: 120px;
    justify-content: center;
    font-size: 13px;
    color: #d1d5db;
    transition: all 0.2s ease;
    cursor: pointer;
}

.weekly-cycle__timeline .pill:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.2);
}

.weekly-cycle__timeline .pill b {
    font-weight: 700;
    color: #f5f5f7;
}

.weekly-cycle__timeline .pill[data-state="active"] {
    background: #2563eb;
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
}

.weekly-cycle__timeline .pill[data-state="active"] b {
    color: #fff;
}

.weekly-cycle__timeline .pill[data-state="done"] {
    background: #48484a;
    color: #fff;
    border-color: #636366;
}

.weekly-cycle__timeline .pill[data-state="done"] b {
    color: #fff;
}

.weekly-cycle__ctrl {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.weekly-cycle__ctrl .btn {
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    padding: 10px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    color: #f5f5f7;
}

.weekly-cycle__ctrl .btn:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
}

@media (max-width: 768px) {
    .weekly-cycle {
        padding: 32px 20px;
    }
    .weekly-cycle__svg {
        width: 280px;
        height: 280px;
    }
    .weekly-cycle .labels {
        width: 280px;
        height: 280px;
    }
    .weekly-cycle__timeline .pill {
        min-width: 100px;
        padding: 8px 12px;
        font-size: 12px;
    }
}

/* 맞춤 커리큘럼 4 STEP */
.curriculum-steps-section {
    background: transparent;
    border-radius: 18px;
    padding: 40px;
    margin-bottom: 20px;
}

.curriculum-steps-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.curriculum-steps-section .curriculum-left {
    position: static;
}

.curriculum-steps-section .curriculum-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: #2563eb;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    background: rgba(37, 99, 235, 0.15);
    padding: 6px 14px;
    border-radius: 20px;
}

.curriculum-steps-section .curriculum-heading {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.35;
    color: #f5f5f7;
    margin: 0 0 20px;
}

.curriculum-steps-section .curriculum-heading .highlight {
    color: #2563eb;
}

.curriculum-steps-section .curriculum-description {
    font-size: 15px;
    line-height: 1.7;
    color: #86868b;
    margin: 0;
}

/* SF4 타임라인 */
.sf4 {
    --blue: #2563eb;
    --rail: rgba(255, 255, 255, 0.1);
    --muted: #6b7280;
    position: relative;
    padding-left: 56px;
}

.sf4-rail {
    position: absolute;
    left: 27px;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--rail);
    z-index: 1;
}

.sf4-seg {
    display: none;
}

.sf4-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.sf4-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
}

.sf4-dot {
    position: absolute;
    left: -35px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #000;
    border: 2px solid var(--rail);
    box-sizing: border-box;
    z-index: 10;
    transition: border-color 0.25s ease, background-color 0.25s ease;
}

/* 직선을 가리기 위한 마스크 */
.sf4-dot::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #000;
    z-index: -1;
}

.sf4-dot::after {
    content: "";
    position: absolute;
    inset: 50% auto auto 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue);
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.22s ease;
}

.sf4-item.is-active .sf4-dot {
    border-color: var(--blue) !important;
    box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.2);
}

.sf4-item.is-active .sf4-dot::after {
    transform: translate(-50%, -50%) scale(1);
}

.sf4-card {
    min-height: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.sf4-badge {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.02em;
    margin-bottom: 6px;
    color: #6b7280;
}

.sf4-title {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    color: #6b7280;
}

.sf4-item.is-active .sf4-card {
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    color: #fff;
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.3);
}

.sf4-item.is-active .sf4-badge,
.sf4-item.is-active .sf4-title {
    color: #fff !important;
}

@media (max-width: 900px) {
    .curriculum-steps-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .curriculum-steps-section .curriculum-left {
        position: static;
    }
    .curriculum-steps-section .curriculum-heading {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    .curriculum-steps-section {
        padding: 32px 24px;
    }
    .sf4 {
        padding-left: 48px;
    }
    .sf4-dot {
        left: -28px;
    }
    .sf4-seg {
        left: 20px;
    }
    .sf4-rail {
        left: 20px;
    }
}

/* 커리큘럼 진단 섹션 */
.curriculum-diagnosis-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #60a5fa 100%);
    border-radius: 18px;
    padding: 64px 80px;
    margin-top: 140px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.curriculum-diagnosis-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.curriculum-diagnosis-inner {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.curriculum-diagnosis-left {
    color: #fff;
}

.curriculum-diagnosis-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.curriculum-diagnosis-heading {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
    margin: 0 0 60px;
    color: #fff;
}

.curriculum-diagnosis-question {
    font-size: 32px;
    font-weight: 600;
    color: rgba(255,255,255,0.4);
}

.curriculum-diagnosis-question .diagnosis-line {
    line-height: 1.6;
    margin-bottom: 4px;
}

.curriculum-diagnosis-question .diagnosis-line-flex {
    display: flex;
    align-items: center;
    height: 52px;
    margin-bottom: 4px;
}

.curriculum-diagnosis-question .keyword-wrapper {
    position: relative;
    width: 130px;
    height: 52px;
    overflow: hidden;
}

.curriculum-diagnosis-question .keyword {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-weight: 700;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.curriculum-diagnosis-question .keyword.is-active {
    opacity: 1;
    transform: translateY(-50%);
}

.curriculum-diagnosis-question .keyword.is-exit {
    opacity: 0;
    transform: translateY(50%);
}

.curriculum-diagnosis-question .keyword.is-enter {
    opacity: 0;
    transform: translateY(-150%);
}

.curriculum-diagnosis-question .diagnosis-text {
    color: #fff;
    font-weight: 700;
    margin-left: 16px;
    height: 52px;
    display: flex;
    align-items: center;
}

/* 우측 카드 그리드 */
.curriculum-diagnosis-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.diagnosis-curriculum-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.diagnosis-curriculum-card {
    background: rgba(255,255,255,0.15);
    border-radius: 16px;
    padding: 20px 16px 16px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    min-width: 140px;
    position: relative;
}

.diagnosis-curriculum-card::before {
    content: '';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: transparent;
}

.diagnosis-curriculum-card.is-active {
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.diagnosis-curriculum-card.is-active::before {
    background: #3b82f6;
}

.diagnosis-curriculum-card-img {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.diagnosis-curriculum-card-title {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255,255,255,0.95);
    margin: 0 0 4px;
    line-height: 1.4;
}

.diagnosis-curriculum-card-desc {
    font-size: 11px;
    color: rgba(255,255,255,0.6);
    margin: 0;
    line-height: 1.3;
}

.diagnosis-curriculum-card.is-active .diagnosis-curriculum-card-title {
    color: #333;
    font-weight: 700;
}

.diagnosis-curriculum-card.is-active .diagnosis-curriculum-card-desc {
    color: #666;
}

@media (max-width: 1024px) {
    .curriculum-diagnosis-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .curriculum-diagnosis-section {
        padding: 40px 32px;
    }
    .curriculum-diagnosis-right {
        max-width: 320px;
        justify-content: center;
    }
    .curriculum-diagnosis-heading {
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .curriculum-diagnosis-section {
        padding: 32px 24px;
    }
    .curriculum-diagnosis-heading {
        font-size: 18px;
        margin-bottom: 32px;
    }
    .curriculum-diagnosis-question {
        font-size: 24px;
    }
    .curriculum-diagnosis-question .keyword-wrapper {
        width: 100px;
    }
    .curriculum-diagnosis-question .diagnosis-text {
        margin-left: 12px;
    }
    .diagnosis-curriculum-card {
        min-width: 120px;
    }
}

/* FAQ 섹션 - Apple Style */
#faq {
    background: #000;
    padding: 120px 0;
}

.faq_list {
    max-width: 680px;
    margin: 0 auto;
}

.faq_item {
    border-bottom: 1px solid var(--border);
}

.faq_question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    cursor: pointer;
    transition: color 0.3s;
}

.faq_question:hover span:first-child {
    color: var(--primary-light);
}

.faq_question span:first-child {
    font-size: 17px;
    font-weight: 400;
    color: #f5f5f7;
}

.faq_icon {
    font-size: 20px;
    color: #86868b;
    transition: transform 0.3s;
}

.faq_item.active .faq_icon {
    transform: rotate(45deg);
    color: var(--primary-light);
}

.faq_answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq_item.active .faq_answer {
    max-height: 200px;
    padding-bottom: 20px;
}

.faq_answer p {
    font-size: 14px;
    color: #86868b;
    line-height: 1.6;
}

/* DNA Modal - Apple Style */
.dna_modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.dna_modal.show {
    display: flex;
}

.dna_modal_content {
    background: #1c1c1e;
    border-radius: 18px;
    padding: 40px;
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.dna_modal_close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: #86868b;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dna_modal_close:hover {
    background: rgba(255,255,255,0.15);
    color: #f5f5f7;
}

.dna_modal h3 {
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
    color: #f5f5f7;
}

.dna_question {
    margin-bottom: 24px;
}

.dna_question h4 {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 16px;
    color: #f5f5f7;
}

.dna_options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.dna_option {
    flex: 1;
    min-width: 80px;
    padding: 12px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid transparent;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    color: #86868b;
    font-size: 14px;
}

.dna_option:hover {
    background: rgba(255,255,255,0.08);
}

.dna_option.selected {
    background: rgba(37, 99, 235, 0.2);
    border-color: var(--primary);
    color: var(--primary-light);
}

.dna_result {
    display: none;
    text-align: center;
    padding: 24px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    margin-top: 24px;
}

.dna_result.show {
    display: block;
}

.dna_result h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 8px;
}

.dna_result p {
    font-size: 14px;
    color: #86868b;
}

.btn_dna_submit {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 15px;
    font-weight: 400;
    cursor: pointer;
    margin-top: 24px;
    transition: background 0.3s;
}

.btn_dna_submit:hover {
    background: var(--primary-dark);
}

/* 학습 포인트 섹션 */
#learning-points {
    background: #000;
    padding: 120px 0;
    transition: background 0.8s ease;
}

#learning-points.white-bg {
    background: #fff;
}

.learning-points-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.learning-points-header {
    margin-bottom: 100px;
}

.learning-points-header h2 {
    font-size: 42px;
    font-weight: 800;
    color: #fff;
    line-height: 1.4;
    transition: color 0.8s ease;
}

#learning-points.white-bg .learning-points-header h2 {
    color: #1a1a1a;
}

.learning-points-header h2 .highlight {
    color: #4A90D9;
}

/* Point 공통 스타일 */
.point-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 120px;
}

.point-section:last-child {
    margin-bottom: 0;
}

/* Point 2, 4 좌우 반전 */
.point-section.reverse {
    direction: rtl;
}

.point-section.reverse > * {
    direction: ltr;
}

.point-section.reverse .point-content {
    padding-right: 0;
    padding-left: 40px;
}

.point-content {
    padding-right: 40px;
}

.point-label {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    color: #4A90D9;
    margin-bottom: 16px;
}

.point-title {
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    line-height: 1.4;
    margin-bottom: 24px;
    transition: color 0.8s ease;
}

#learning-points.white-bg .point-title {
    color: #1a1a1a;
}

.point-description {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    transition: color 0.8s ease;
}

#learning-points.white-bg .point-description {
    color: #666;
}

/* Point 1: 2x2 그리드 카드 */
.point1-visual {
    position: relative;
}

.point1-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    position: relative;
}

.point1-card {
    background: #fff;
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.point1-card img {
    width: 80px;
    height: 80px;
    margin-bottom: 16px;
}

.point1-card .card-title {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    line-height: 1.4;
}

.point1-center-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #4A90D9, #67B8F0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(74, 144, 217, 0.4);
    z-index: 10;
}

/* Point 2: 분석 카드 */
.point2-visual {
    background: #fff;
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.point2-student-info {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
    margin-bottom: 24px;
}

.point2-student-info .avatar {
    width: 48px;
    height: 48px;
    background: #e0e0e0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.point2-student-info .info h4 {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.point2-student-info .info p {
    font-size: 13px;
    color: #999;
}

.point2-curriculum {
    margin-bottom: 24px;
}

.point2-curriculum h5 {
    font-size: 13px;
    font-weight: 600;
    color: #4A90D9;
    margin-bottom: 12px;
}

.point2-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.point2-tag {
    padding: 6px 12px;
    background: #f5f5f5;
    border-radius: 6px;
    font-size: 12px;
    color: #666;
}

.point2-tag.active {
    background: #4A90D9;
    color: #fff;
}

.point2-chart {
    background: #fafafa;
    border-radius: 16px;
    padding: 24px;
}

.point2-chart h5 {
    font-size: 13px;
    font-weight: 600;
    color: #4A90D9;
    margin-bottom: 16px;
}

.chart-bars {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chart-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chart-bar .label {
    width: 60px;
    font-size: 12px;
    color: #666;
}

.chart-bar .bar-bg {
    flex: 1;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
}

.chart-bar .bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #4A90D9, #67B8F0);
    border-radius: 4px;
}

/* Point 3: 보라색 배경 섹션 */
.point3-section {
    display: block;
    background: linear-gradient(135deg, #7C6BF0 0%, #6B8CF0 100%);
    border: none;
    padding: 120px 40px;
    border-radius: 0;
    margin: 0 -40px;
    width: calc(100% + 80px);
}

.point3-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 80px;
}

.point3-section .point-content {
    padding-right: 0;
}

.point3-section .point-label {
    color: rgba(255,255,255,0.9);
}

.point3-section .point-title,
.point3-section .point-description {
    color: #fff;
}

#learning-points.white-bg .point3-section .point-title,
#learning-points.white-bg .point3-section .point-description {
    color: #fff;
}

.point3-visual-wrapper {
    position: relative;
}

.point3-bg-box {
    position: absolute;
    top: -40px;
    right: -40px;
    width: 80%;
    height: calc(100% + 80px);
    background: rgba(255,255,255,0.15);
    border-radius: 24px;
    z-index: 0;
}

.point3-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    z-index: 1;
}

.point3-card {
    background: rgba(255,255,255,0.98);
    border-radius: 20px;
    padding: 28px 32px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    opacity: 0;
    transform: rotateX(-90deg) translateY(30px);
    transform-origin: top center;
    transition: all 1.2s cubic-bezier(0.175, 0.885, 0.32, 1.1);
}

.point3-card.visible {
    opacity: 1;
    transform: rotateX(0) translateY(0);
}

.point3-card:nth-child(1) { transition-delay: 0.3s; }
.point3-card:nth-child(2) { transition-delay: 0.8s; }
.point3-card:nth-child(3) { transition-delay: 1.3s; }

.point3-card .icon-wrapper {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #E8F4FD, #D1E7FA);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.point3-card .icon-wrapper .emoji-icon {
    font-size: 36px;
}

.point3-card-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.point3-card-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* Point 4: 일러스트 */
.point4-visual {
    position: relative;
}

.point4-illustration {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 40px;
}

.point4-illustration img {
    max-width: 100%;
    height: auto;
}

.point4-person {
    text-align: center;
}

.point4-person .bubble {
    background: #4A90D9;
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
    display: inline-block;
}

.point4-person .bubble.gray {
    background: #e0e0e0;
    color: #666;
}

.point4-person svg {
    width: 120px;
    height: 160px;
}

@media (max-width: 768px) {
    .learning-points-header h2 {
        font-size: 28px;
    }

    .point-section {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .point-content {
        padding-right: 0;
    }

    .point-title {
        font-size: 26px;
    }

    .point3-section {
        margin: 0 -40px;
        padding: 80px 40px;
    }

    .point3-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        padding-left: 0;
    }

    .point3-bg-box {
        display: none;
    }
}

/* 후기 섹션 - 에이닷 스타일 */
#reviews {
    background: #fafafa;
    overflow: hidden;
    padding: 120px 0 80px;
}

#reviews .section_inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

#reviews .section_title {
    text-align: left;
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

#reviews .section_title.animate-in {
    opacity: 1;
    transform: translateY(0);
}

#reviews .section_title h2 {
    font-size: 36px;
    font-weight: 800;
    color: #111;
    line-height: 1.3;
}

#reviews .section_title h2 .highlight {
    color: var(--primary);
}

#reviews .section_title h2::after {
    content: '.';
    color: var(--primary);
}

#reviews .section_desc {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 32px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

#reviews .section_desc.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* 중등/고등 탭 - 에이닷 스타일 */
.review_tabs {
    display: flex;
    justify-content: flex-start;
    gap: 0;
    margin-bottom: 48px;
    background: #e8e8e8;
    border-radius: 30px;
    padding: 4px;
    width: fit-content;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.review_tabs.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.review_tab_btn {
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 26px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
    color: #888;
}

.review_tab_btn.active {
    background: linear-gradient(135deg, #4A90D9 0%, #67B8F0 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(74, 144, 217, 0.3);
}

.review_tab_btn:hover:not(.active) {
    color: #555;
}

/* 후기 컨테이너 */
.review_tab_content {
    display: none;
}

.review_tab_content.active {
    display: block;
}

/* 후기 슬라이더 */
.review_slider_wrap {
    overflow: hidden;
    padding: 20px 0 40px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.review_slider_wrap.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.review_slider_wrap::before,
.review_slider_wrap::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.review_slider_wrap::before {
    left: 0;
    background: linear-gradient(to right, #fafafa, transparent);
}

.review_slider_wrap::after {
    right: 0;
    background: linear-gradient(to left, #fafafa, transparent);
}

.review_slider {
    display: flex;
    gap: 24px;
    animation: reviewScroll 40s linear infinite;
}

.review_slider:hover {
    animation-play-state: paused;
}

@keyframes reviewScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* 후기 카드 - 에이닷 스타일 */
.review_card {
    flex-shrink: 0;
    width: 280px;
    background: #fff;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
}

.review_card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.review_card .review_title {
    font-size: 17px;
    font-weight: 700;
    color: #4A90D9;
    line-height: 1.5;
    margin-bottom: 16px;
    min-height: 52px;
}

.review_card .review_content {
    font-size: 14px;
    color: #555;
    line-height: 1.75;
    margin-bottom: 20px;
    min-height: 120px;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.review_card .review_author {
    font-size: 13px;
    color: #888;
    font-weight: 500;
    padding-top: 16px;
    border-top: 1px solid #eee;
}

/* CTA 배너 */
.review_cta_banner {
    background: linear-gradient(135deg, #4A90D9 0%, #67B8F0 100%);
    border-radius: 16px;
    padding: 32px 40px;
    text-align: center;
    margin-top: 60px;
    opacity: 0;
    transform: translateY(30px) scale(0.98);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.review_cta_banner.animate-in {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.review_cta_banner p {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
}

.review_cta_banner .mobile-text {
    display: none;
}

/* 후기 섹션 다크 테마 */
#reviews.reviews-dark-theme {
    background: #0a0a0a;
}

#reviews.reviews-dark-theme .section_title h2 {
    color: #fff;
}

#reviews.reviews-dark-theme .section_desc {
    color: #a0a0a0;
}

#reviews.reviews-dark-theme .review_tabs {
    background: #1a1a1a;
}

#reviews.reviews-dark-theme .review_tab_btn {
    color: #888;
}

#reviews.reviews-dark-theme .review_tab_btn.active {
    background: linear-gradient(135deg, #4A90D9 0%, #67B8F0 100%);
    color: #fff;
}

#reviews.reviews-dark-theme .review_tab_btn:hover:not(.active) {
    color: #bbb;
}

#reviews.reviews-dark-theme .review_slider_wrap::before {
    background: linear-gradient(to right, #0a0a0a, transparent);
}

#reviews.reviews-dark-theme .review_slider_wrap::after {
    background: linear-gradient(to left, #0a0a0a, transparent);
}

#reviews.reviews-dark-theme .review_card {
    background: #1a1a1a;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

#reviews.reviews-dark-theme .review_card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

#reviews.reviews-dark-theme .review_card .review_content {
    color: #b0b0b0;
}

#reviews.reviews-dark-theme .review_card .review_author {
    color: #888;
    border-top: 1px solid #2a2a2a;
}

/* Free Consultation - Apple Style */
#free_consultation {
    background: #fff;
    padding: 100px 0;
}

.consultation_inner {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 0 22px;
}

.consultation_inner h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #111;
    letter-spacing: -0.02em;
}

.consultation_inner h2::after {
    content: '.';
    color: var(--primary);
}

.consultation_inner .desc {
    font-size: 15px;
    color: #666;
    margin-bottom: 48px;
    line-height: 1.6;
}

.consultation_inner .desc .highlight {
    color: var(--primary);
    font-weight: 600;
}

#addForm {
    background: #fff;
    border-radius: 0;
    padding: 0;
}

.form_row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.form_row_label {
    width: 60px;
    flex-shrink: 0;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    text-align: left;
}

.form_row_fields {
    flex: 1;
    display: flex;
    gap: 12px;
}

.form_group {
    text-align: left;
    flex: 1;
}

.form_group.full {
    width: 100%;
}

.form_group label {
    display: none;
}

.form_group input,
.form_group select {
    width: 100%;
    height: 48px;
    border: 1px solid #e0e0e0;
    background: #fff;
    border-radius: 6px;
    padding: 0 16px;
    font-size: 14px;
    color: #333;
    transition: border-color 0.3s;
}

.form_group input::placeholder {
    color: #999;
}

.form_group input:focus,
.form_group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form_group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23666' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

.form_group select option {
    background: #fff;
    color: #333;
}

/* 라디오 버튼 그룹 */
.radio_group {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: 8px;
}

.radio_item {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.radio_item input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.radio_item label {
    display: inline !important;
    font-size: 14px;
    color: #333;
    cursor: pointer;
}

/* 연락처 안내 문구 */
.form_hint {
    font-size: 12px;
    color: #999;
    text-align: left;
    margin-top: -12px;
    margin-bottom: 20px;
    padding-left: 76px;
}

/* 약관 동의 */
.checkbox_group {
    text-align: left;
    margin-bottom: 24px;
    border-top: 1px solid #eee;
    padding-top: 24px;
}

.checkbox_group_title {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin-bottom: 16px;
}

.checkbox_item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.checkbox_item.all {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}

.checkbox_item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    cursor: pointer;
}

.checkbox_item label {
    font-size: 14px;
    color: #333;
    cursor: pointer;
}

.checkbox_item.sub label {
    color: #666;
    font-size: 13px;
}

.checkbox_item .view_terms {
    font-size: 12px;
    color: #999;
    text-decoration: underline;
    cursor: pointer;
    margin-left: auto;
}

.checkbox_item .view_terms:hover {
    color: var(--primary);
}

.terms_content {
    display: none;
    background: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 16px;
    margin: 8px 0 16px 30px;
    font-size: 12px;
    color: #555;
    line-height: 1.7;
    max-height: 200px;
    overflow-y: auto;
}

.terms_content.show {
    display: block;
}

.terms_content h4 {
    font-size: 13px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}

.terms_content p {
    margin-bottom: 8px;
}

.terms_content .note {
    color: #888;
    font-size: 11px;
    margin-top: 12px;
}

.btn_send {
    width: 100%;
    height: 56px;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    margin-top: 8px;
}

.btn_send:hover {
    background: var(--primary-dark);
}

.btn_send:disabled {
    background: #aaa;
    cursor: not-allowed;
}

/* 커스텀 폼 유효성 검사 스타일 */
.form_group.has-error input,
.form_group.has-error select {
    border-color: #e53935;
    animation: shake 0.4s ease;
}

.form_group .error-message {
    display: none;
    font-size: 12px;
    color: #e53935;
    margin-top: 6px;
    padding-left: 2px;
}

.form_group.has-error .error-message {
    display: block;
}

.checkbox_item.has-error label {
    color: #e53935;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

/* 성공/오류 모달 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.modal-overlay.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 24px;
    padding: 56px 48px 48px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    transform: translateY(30px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), #60a5fa, var(--primary));
    background-size: 200% 100%;
    animation: shimmer 2s infinite linear;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.modal-overlay.show .modal-content {
    transform: translateY(0) scale(1);
}

.modal-icon {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    position: relative;
}

.modal-icon.success {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    box-shadow: 0 12px 32px rgba(16, 185, 129, 0.4), 0 0 0 8px rgba(16, 185, 129, 0.1);
    animation: iconPop 0.5s ease 0.2s both;
}

.modal-icon.error {
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    box-shadow: 0 12px 32px rgba(239, 68, 68, 0.4), 0 0 0 8px rgba(239, 68, 68, 0.1);
    animation: iconPop 0.5s ease 0.2s both;
}

@keyframes iconPop {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); opacity: 1; }
}

.modal-icon svg {
    width: 40px;
    height: 40px;
    stroke: #fff;
    stroke-width: 2.5;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.modal-icon.success svg {
    stroke-dasharray: 50;
    stroke-dashoffset: 50;
    animation: checkDraw 0.6s ease 0.5s forwards;
}

@keyframes checkDraw {
    to { stroke-dashoffset: 0; }
}

.modal-subtitle {
    font-size: 13px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.modal-title {
    font-size: 26px;
    font-weight: 800;
    color: #111;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.modal-divider {
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), #60a5fa);
    border-radius: 2px;
    margin: 0 auto 20px;
}

.modal-message {
    font-size: 15px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 36px;
}

.modal-btn {
    width: 100%;
    height: 56px;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.modal-btn.primary {
    background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
    color: #fff;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
}

.modal-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.45);
}

.modal-btn.primary:active {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.1);
}

.modal-close svg {
    width: 18px;
    height: 18px;
    stroke: #9ca3af;
    stroke-width: 2;
}

/* Fixed Banner - Premium Style */
.fixedBanner {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    animation: float-banner 3s ease-in-out infinite;
}

@keyframes float-banner {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.fixedBanner:hover {
    animation-play-state: paused;
}

.fixedBanner .banner_btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.95), rgba(109, 40, 217, 0.95));
    padding: 16px 28px;
    border-radius: 60px;
    box-shadow:
        0 8px 32px rgba(139, 92, 246, 0.4),
        0 4px 16px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.fixedBanner .banner_btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.fixedBanner .banner_btn:hover::before {
    left: 100%;
}

.fixedBanner .banner_btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow:
        0 16px 48px rgba(139, 92, 246, 0.5),
        0 8px 24px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
    background: linear-gradient(135deg, rgba(167, 139, 250, 0.98), rgba(139, 92, 246, 0.98));
}

.fixedBanner .banner_btn .icon {
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse-icon 2s ease-in-out infinite;
}

@keyframes pulse-icon {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.fixedBanner .banner_btn .text {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.3px;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Responsive - Apple Style */
@media (max-width: 1068px) {
    .class_cards {
        flex-direction: column;
        max-width: 400px;
    }
    .lecture_features {
        grid-template-columns: repeat(2, 1fr);
    }
    .advantage_grid {
        grid-template-columns: 1fr;
    }
    .hero_content h1 {
        font-size: 48px;
    }
}

@media (max-width: 834px) {
    .origin_comparison {
        grid-template-columns: 1fr;
    }
    .example_cards {
        grid-template-columns: 1fr;
    }
    #class-intro .section_title .section_desc br {
        display: none;
    }
    .class_cards {
        max-width: 100%;
    }
    .class_cards_row {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .class_card {
        padding: 20px 16px;
    }
    .class_card h3 {
        font-size: 16px;
    }
    .class_card .class_desc {
        font-size: 12px;
    }
    .class_card .class_icon {
        width: 44px;
        height: 44px;
    }
    .class_card .class_features li {
        font-size: 11px;
    }
    .todo_grid {
        grid-template-columns: 1fr;
    }
    .footer_info {
        flex-direction: column;
        gap: 24px;
    }
    .footer_info .info_right {
        text-align: left;
    }
    #header .gnb {
        display: none;
    }
    .hero_content h1 {
        font-size: 40px;
    }
    .hero_content .hero_desc {
        font-size: 17px;
    }
}

@media (max-width: 600px) {
    #hero {
        min-height: 90vh;
    }
    .hero_content {
        padding: 0 20px;
    }
    .hero-subtitle {
        font-size: 14px;
    }
    .hero_content h1 {
        font-size: 28px;
        line-height: 1.3;
    }
    .hero_content .hero_desc {
        font-size: 15px;
    }
    .hero_cta {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }
    .hero_cta .btn_primary,
    .hero_cta .btn_secondary {
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
    }
    .hero-scroll {
        bottom: 24px;
        font-size: 12px;
    }
    .section_title h2 {
        font-size: 32px;
    }
    .about_header h2,
    .about_header .highlight_text {
        font-size: 24px;
    }
    /* 모바일에서 줄바꿈 표시 */
    .mobile-br {
        display: block;
    }
    .stats_stack {
        max-width: 100%;
    }
    .stat_card .stat_value {
        font-size: 24px;
    }
    .stat_card.featured .stat_value {
        font-size: 28px;
    }
    .stat_row {
        grid-template-columns: 1fr;
    }
    .process_flow {
        flex-direction: column;
    }
    .process_arrow {
        transform: rotate(90deg);
    }
    .lecture_features {
        grid-template-columns: 1fr;
    }
    .form_row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .form_row_label {
        width: auto;
    }
    .form_row_fields {
        width: 100%;
        flex-direction: column;
    }
    .form_group {
        width: 100%;
    }
    .form_group[style*="flex: 0 0 120px"] {
        flex: 1 !important;
        width: 100% !important;
    }
    .radio_group {
        margin-left: 0;
        margin-top: 8px;
    }
    .form_hint {
        padding-left: 0;
    }
    .footer_top {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    .footer_links {
        flex-wrap: wrap;
        gap: 16px;
    }
    .sticky_tabs {
        gap: 8px;
    }
    .compare_card {
        padding: 32px 24px;
    }
}

/* ========================================
   통합 모바일 반응형 스타일
   ======================================== */
@media (max-width: 768px) {
    /* 헤더 */
    #header {
        height: 56px;
    }
    #header .header_inner {
        padding: 0 16px;
    }
    #header .gnb {
        display: none;
    }
    #header .logo img {
        height: 20px;
    }
    #header .btn_cta {
        padding: 8px 14px;
        font-size: 12px;
    }

    /* 스티키 탭 */
    .sticky_tabs {
        top: 56px;
        padding: 12px 0;
    }
    .tab_container {
        padding: 3px;
    }
    .tab_btn {
        padding: 10px 20px;
        font-size: 13px;
    }

    /* 히어로 */
    #hero {
        min-height: 100vh;
        padding: 80px 0 60px;
    }
    .hero_content {
        padding: 0 20px;
    }
    .hero_content h1 {
        font-size: 32px;
        margin-bottom: 16px;
    }
    .hero-subtitle {
        font-size: 14px;
    }
    .hero_content .hero_desc {
        font-size: 15px;
        margin-bottom: 30px;
    }
    .hero_cta {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
    .hero_cta .btn_primary,
    .hero_cta .btn_secondary {
        width: auto;
        justify-content: center;
        padding: 14px 32px;
        font-size: 15px;
    }

    /* 섹션 공통 */
    .section {
        padding: 60px 0;
    }
    .section_inner {
        padding: 0 16px;
    }
    .section_title h2 {
        font-size: 28px;
    }

    /* 학습 포인트 섹션 */
    #learning-points {
        padding: 60px 0;
    }
    .learning-points-inner {
        padding: 0 16px;
    }
    .point-section {
        flex-direction: column !important;
        gap: 30px;
        margin-top: 60px !important;
    }
    .point-section.reverse {
        direction: ltr;
    }
    .point-section.reverse .point-content {
        padding-left: 0;
    }
    .point-content {
        padding-right: 0;
        text-align: center;
    }
    .point-label {
        font-size: 12px;
    }
    .point-title {
        font-size: 24px;
    }
    .point-desc {
        font-size: 14px;
    }
    .point-visual {
        width: 100%;
        justify-content: center;
    }

    /* Point 1 카드 그리드 */
    .point1-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        max-width: 280px;
    }
    .point1-card {
        padding: 16px 12px;
    }
    .point1-card-icon {
        font-size: 24px;
    }
    .point1-card-title {
        font-size: 12px;
    }
    .point1-center {
        width: 60px;
        height: 60px;
        font-size: 11px;
    }

    /* Point 2 학생 분석 카드 */
    .point2-card {
        padding: 24px 20px;
        max-width: 100%;
    }

    /* Point 3 카드 */
    .point3-cards {
        gap: 16px;
    }
    .point3-card {
        padding: 20px 24px;
    }

    /* 커리큘럼 진단 섹션 */
    .curriculum-diagnosis-section {
        padding: 40px 24px;
        margin-top: 60px;
    }
    .curriculum-diagnosis-inner {
        flex-direction: column;
        gap: 30px;
    }
    .curriculum-diagnosis-left {
        text-align: center;
    }
    .curriculum-diagnosis-heading {
        font-size: 22px;
    }
    .curriculum-diagnosis-question {
        font-size: 28px;
    }
    .curriculum-diagnosis-question .keyword-wrapper {
        width: 100px;
    }
    .diagnosis-curriculum-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .diagnosis-curriculum-card {
        min-width: auto;
        padding: 16px;
    }

    /* 사이클 섹션 */
    .cycle-section .cycle-head h2 {
        font-size: 22px;
    }
    .cycle-section .cycle-indicator .arrows span {
        font-size: 36px;
    }
    .cycle-section .cycle-indicator .label {
        font-size: 16px;
    }

    /* 후기 섹션 */
    .review_tab_container {
        justify-content: flex-start;
        padding-left: 16px;
    }

    /* 후기 카드 모바일 최적화 - 3장 이상 보이도록 */
    .review_slider {
        gap: 12px;
        animation-duration: 15s;
    }
    .review_card {
        width: 120px;
        padding: 14px 12px;
        border-radius: 12px;
    }
    .review_card .review_title {
        font-size: 12px;
        min-height: auto;
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .review_card .review_content {
        font-size: 11px;
        min-height: auto;
        -webkit-line-clamp: 3;
        margin-bottom: 10px;
        line-height: 1.5;
    }
    .review_card .review_author {
        font-size: 10px;
        padding-top: 8px;
    }
    .review_slider_wrap::before,
    .review_slider_wrap::after {
        width: 40px;
    }

    .review_cta_banner {
        padding: 12px 16px;
        flex-direction: column;
        text-align: center;
        border-radius: 12px;
        margin-top: 30px;
    }
    .review_cta_banner .desktop-text {
        display: none;
    }
    .review_cta_banner .mobile-text {
        display: block;
        font-size: 14px;
    }
    .review_cta_text h4 {
        font-size: 20px;
    }

    /* 통계 카드 */
    .stats_stack {
        max-width: 100%;
        padding: 0 16px;
    }
    .stat_card {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 20px 24px;
    }
    .stat_card .stat_label {
        font-size: 14px;
    }
    .stat_card .stat_value {
        font-size: 24px;
    }
    .stat_card.featured .stat_value {
        font-size: 26px;
    }
    .stat_row {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .stat_row .stat_card {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    .stat_row .stat_card .stat_value {
        font-size: 24px;
    }

    /* 푸터 */
    footer .footer_inner {
        padding: 40px 16px;
    }
    .footer_top {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    .footer_logo img {
        height: 28px;
    }
    .footer_info {
        text-align: center;
    }
    .footer_info p {
        font-size: 12px;
    }
}

/* 더 작은 화면 */
@media (max-width: 480px) {
    .hero_content h1 {
        font-size: 26px;
    }
    .section_title h2 {
        font-size: 24px;
    }
    .point-title {
        font-size: 20px;
    }
    .curriculum-diagnosis-heading {
        font-size: 18px;
    }
    .curriculum-diagnosis-question {
        font-size: 24px;
    }
    .diagnosis-curriculum-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .point1-grid {
        max-width: 240px;
    }
}

/* ========================================
   Campus Section (고등관/중등관 시스템)
======================================== */
.campus-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 0;
}

.campus-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 48px 56px;
    border-radius: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.campus-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: 24px 24px 0 0;
}

.campus-high::before {
    background: linear-gradient(90deg, #2563EB, #3B82F6);
}

.campus-middle::before {
    background: linear-gradient(90deg, #06B6D4, #22D3EE);
}

.campus-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.campus-content {
    flex: 1;
}

.campus-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 6px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.campus-high .campus-label {
    background: rgba(37, 99, 235, 0.15);
    color: #60A5FA;
}

.campus-middle .campus-label {
    background: rgba(6, 182, 212, 0.15);
    color: #22D3EE;
}

.campus-card h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.campus-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.campus-features {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.campus-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.campus-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.campus-high .campus-features li::before {
    background: #3B82F6;
}

.campus-middle .campus-features li::before {
    background: #22D3EE;
}

.campus-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.campus-high .campus-btn {
    background: linear-gradient(135deg, #2563EB, #3B82F6);
    color: white;
}

.campus-high .campus-btn:hover {
    background: linear-gradient(135deg, #1D4ED8, #2563EB);
    transform: translateX(4px);
}

.campus-middle .campus-btn {
    background: linear-gradient(135deg, #06B6D4, #22D3EE);
    color: white;
}

.campus-middle .campus-btn:hover {
    background: linear-gradient(135deg, #0891B2, #06B6D4);
    transform: translateX(4px);
}

.campus-visual {
    flex-shrink: 0;
}

.campus-icon {
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
}

.campus-high .campus-icon {
    background: rgba(37, 99, 235, 0.1);
    color: #60A5FA;
}

.campus-middle .campus-icon {
    background: rgba(6, 182, 212, 0.1);
    color: #22D3EE;
}

.campus-icon svg {
    width: 72px;
    height: 72px;
}

/* Campus Section Responsive */
@media (max-width: 768px) {
    .campus-section {
        padding: 40px 0;
    }

    .campus-card {
        flex-direction: column;
        text-align: center;
        padding: 36px 28px;
        gap: 28px;
    }

    .campus-card h2 {
        font-size: 26px;
    }

    .campus-desc {
        font-size: 15px;
    }

    .campus-features {
        justify-content: center;
    }

    .campus-visual {
        order: -1;
    }

    .campus-icon {
        width: 100px;
        height: 100px;
    }

    .campus-icon svg {
        width: 52px;
        height: 52px;
    }
}

/* ========================================
   Campus Section V2 (파티클 텍스트 스타일)
======================================== */
.campus-high-section {
    background: #000;
    position: relative;
    overflow: hidden;
}

.high-system-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
}

.campus-split {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.campus-text {
    flex: 0 0 45%;
    position: relative;
    z-index: 5;
}

.campus-label-new {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 20px;
    letter-spacing: 1px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.campus-label-new.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.campus-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.campus-title.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.campus-title .highlight {
    background: linear-gradient(90deg, #2563EB, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.campus-desc-new {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.campus-desc-new.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.campus-btn-new {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.campus-btn-new:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.campus-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    border: none;
    border-radius: 50px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease, opacity 0.6s ease-out, transform 0.6s ease-out;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
    opacity: 0;
    transform: translateY(30px);
}

.campus-btn-primary.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.campus-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(37, 99, 235, 0.5);
}

.campus-btn-primary svg {
    transition: transform 0.3s ease;
}

.campus-btn-primary:hover svg {
    transform: translateX(4px);
}

.campus-image-wrap {
    flex: 0 0 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateX(50px) scale(0.95);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.campus-image-wrap.animate-in {
    opacity: 1;
    transform: translateX(0) scale(1);
}

/* 중등관 이미지 (왼쪽에서 등장) */
.campus-middle-section .campus-image-wrap {
    transform: translateX(-50px) scale(0.95);
}

.campus-middle-section .campus-image-wrap.animate-in {
    transform: translateX(0) scale(1);
}

.campus-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    object-fit: contain;
    mask-image: linear-gradient(to bottom,
        transparent 0%,
        black 15%,
        black 70%,
        transparent 100%
    ), linear-gradient(to right,
        transparent 0%,
        black 15%,
        black 85%,
        transparent 100%
    );
    mask-composite: intersect;
    -webkit-mask-image: linear-gradient(to bottom,
        transparent 0%,
        black 15%,
        black 70%,
        transparent 100%
    ), linear-gradient(to right,
        transparent 0%,
        black 15%,
        black 85%,
        transparent 100%
    );
    -webkit-mask-composite: source-in;
}

/* Campus Section V2 Responsive */
@media (max-width: 1024px) {
    .campus-split {
        padding: 0 40px;
        gap: 40px;
    }

    .campus-title {
        font-size: 34px;
    }

    .campus-image {
        max-width: 400px;
    }
}

@media (max-width: 768px) {
    /* 모바일 전용 줄바꿈 표시 */
    .mobile-br {
        display: block;
    }

    /* 텍스트 줄바꿈 방지 */
    .nowrap {
        white-space: nowrap;
    }

    .campus-split {
        flex-direction: column;
        text-align: center;
        padding: 0 24px;
        gap: 48px;
    }

    .campus-text {
        flex: none;
        width: 100%;
    }

    .campus-title {
        font-size: 28px;
    }

    .campus-desc-new {
        font-size: 15px;
    }

    .campus-image-wrap {
        flex: none;
        width: 100%;
    }

    .campus-image {
        max-width: 320px;
    }
}

/* ========================================
   중등관 섹션 (밝은 테마)
======================================== */
.campus-middle-section {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.middle-system-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
}

.campus-text-dark {
    color: #1a1a2e;
}

.campus-text-dark .campus-label-new {
    color: #10b981;
}

.campus-text-dark .campus-title {
    color: #1a1a2e;
}

.campus-text-dark .campus-desc-new {
    color: #4b5563;
}

.highlight-green {
    background: linear-gradient(90deg, #10b981, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.campus-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    border: none;
    border-radius: 50px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease, opacity 0.6s ease-out, transform 0.6s ease-out;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
    opacity: 0;
    transform: translateY(30px);
}

.campus-btn-secondary.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.campus-btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(16, 185, 129, 0.5);
}

.campus-btn-secondary svg {
    transition: transform 0.3s ease;
}

.campus-btn-secondary:hover svg {
    transform: translateX(4px);
}

/* 고등관 - 데스크톱에서 버튼을 텍스트 영역과 함께 왼쪽에 배치 */
.campus-high-section .campus-split {
    flex-wrap: wrap;
}

.campus-high-section .campus-text {
    flex: 0 0 45%;
}

.campus-high-section .campus-image-wrap {
    flex: 0 0 45%;
}

.campus-high-section .campus-btn-high {
    margin-top: -20px;
}

/* 중등관 - 데스크톱에서 버튼을 텍스트 영역과 함께 오른쪽에 배치 */
.campus-middle-section .campus-split {
    flex-wrap: wrap;
}

.campus-middle-section .campus-image-wrap {
    flex: 0 0 45%;
    order: 1;
}

.campus-middle-section .campus-text {
    flex: 0 0 45%;
    order: 2;
}

.campus-middle-section .campus-btn-middle {
    margin-top: -20px;
    margin-left: 55%;
    order: 3;
}

/* 고등관/중등관 반응형 - 이미지와 텍스트 순서 변경 */
@media (max-width: 768px) {
    /* 고등관: 모바일에서 텍스트 → 이미지 → 버튼 순서 */
    .campus-high-section .campus-split {
        flex-direction: column;
        flex-wrap: nowrap;
    }

    .campus-high-section .campus-text {
        order: 1;
        flex: none;
        width: 100%;
    }

    .campus-high-section .campus-image-wrap {
        order: 2;
        flex: none;
        width: 100%;
        margin: 32px 0;
    }

    .campus-high-section .campus-btn-high {
        order: 3;
        flex: none;
        margin-top: 0;
    }

    .campus-high-section .campus-desc-new {
        margin-bottom: 0;
    }

    /* 중등관: 모바일에서 텍스트 → 이미지 → 버튼 순서 */
    .campus-middle-section .campus-split {
        flex-direction: column;
        flex-wrap: nowrap;
    }

    .campus-middle-section .campus-text {
        order: 1;
        flex: none;
        width: 100%;
    }

    .campus-middle-section .campus-image-wrap {
        order: 2;
        flex: none;
        width: 100%;
        margin: 32px 0;
    }

    .campus-middle-section .campus-btn-middle {
        order: 3;
        flex: none;
        margin-top: 0;
        margin-left: 0;
    }

    .campus-middle-section .campus-desc-new {
        margin-bottom: 0;
    }
}

/* ===== Section Navigation Dots (메인 페이지) ===== */
.main-section-nav {
    position: fixed;
    right: 32px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 24px 0;
}

.main-section-nav-dot {
    width: 4px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.main-section-nav-dot:hover {
    background: rgba(255, 255, 255, 0.6);
    height: 12px;
}

.main-section-nav-dot.active {
    width: 4px;
    height: 24px;
    background: #fff;
    border-radius: 2px;
}

/* 밝은 섹션에서 네비게이션 닷 색상 변경 */
.main-section-nav.light-mode .main-section-nav-dot {
    background: rgba(0, 0, 0, 0.2);
}

.main-section-nav.light-mode .main-section-nav-dot:hover {
    background: rgba(0, 0, 0, 0.4);
}

.main-section-nav.light-mode .main-section-nav-dot.active {
    background: rgba(0, 0, 0, 0.7);
}

/* ===== Full-page scroll snap sections (메인 페이지) ===== */
.main-snap-section {
    height: 100vh;
    min-height: 100vh;
    max-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

/* section과 main-snap-section이 함께 사용될 때 */
.main-snap-section.section {
    padding-top: 30px;
    padding-bottom: 30px;
    margin-top: 0;
}

/* main-snap-section 간 마진 제거 */
.main-snap-section + .main-snap-section {
    margin-top: 0;
}

/* Hero 섹션은 이미 100vh */
#hero.main-snap-section {
    min-height: 100vh;
}

/* 반응형 - 모바일에서 네비게이션 닷 숨김 */
@media (max-width: 768px) {
    .main-section-nav {
        display: none;
    }

    .main-snap-section {
        height: auto;
        min-height: auto;
        max-height: none;
    }

    .main-snap-section.section {
        padding-top: 60px;
        padding-bottom: 60px;
    }
}