/* CSS Variables */
:root {
    --primary: #0A3D3A;
    --primary-light: #0f524e;
    --primary-dark: #072a28;
    --accent: #B08B59;
    --accent-light: #c9a776;
    --accent-dark: #8a6b42;
    --bg-cream: #F9F6F0;
    --bg-light: #ffffff;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #7a7a7a;
    --border-color: rgba(10, 61, 58, 0.1);
    
    --font-main: 'Noto Serif KR', serif;
    
    --shadow-sm: 0 2px 8px rgba(10, 61, 58, 0.08);
    --shadow-md: 0 4px 20px rgba(10, 61, 58, 0.12);
    --shadow-lg: 0 8px 40px rgba(10, 61, 58, 0.16);
    --shadow-xl: 0 16px 60px rgba(10, 61, 58, 0.2);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-cream);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Section Base */
section {
    padding: 100px 0;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--accent);
    background: linear-gradient(135deg, rgba(176, 139, 89, 0.12), rgba(176, 139, 89, 0.04));
    padding: 8px 18px;
    border-radius: 30px;
    margin-bottom: 18px;
    border: 1px solid rgba(176, 139, 89, 0.18);
}

.section-title {
    font-size: 2.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 14px;
    line-height: 1.35;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-medium);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===========================================
   Hero Section - Split Layout with Background
   =========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url('../images/hero-bg.jpg') center/cover no-repeat fixed;
    padding: 100px 0 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 61, 58, 0.92) 0%,
        rgba(10, 61, 58, 0.88) 50%,
        rgba(7, 42, 40, 0.94) 100%
    );
    z-index: 1;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 10% 90%, rgba(176, 139, 89, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 10%, rgba(176, 139, 89, 0.08) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.hero-bg-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(176, 139, 89, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(176, 139, 89, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 3;
}

.hero-content {
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(176, 139, 89, 0.15);
    border: 1px solid rgba(176, 139, 89, 0.3);
    padding: 10px 20px;
    border-radius: 50px;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--accent);
    font-size: 1rem;
}

.hero-badge span {
    color: var(--accent-light);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--bg-cream);
    line-height: 1.25;
    margin-bottom: 24px;
}

.title-accent {
    color: var(--accent);
    position: relative;
    display: inline-block;
}

.title-accent::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(249, 246, 240, 0.85);
    line-height: 1.8;
    margin-bottom: 28px;
    font-weight: 400;
}

.hero-subtitle strong {
    color: var(--accent-light);
    font-weight: 600;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.07);
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all var(--transition-fast);
}

.hero-feature:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(176, 139, 89, 0.3);
}

.hero-feature i {
    color: var(--accent);
    font-size: 0.85rem;
}

.hero-feature span {
    color: rgba(249, 246, 240, 0.9);
    font-size: 0.82rem;
    font-weight: 500;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: white;
    padding: 18px 36px;
    border: none;
    border-radius: var(--radius-xl);
    font-family: var(--font-main);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 8px 30px rgba(176, 139, 89, 0.4);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(176, 139, 89, 0.5);
}

.hero-cta .cta-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.hero-cta i {
    transition: transform var(--transition-fast);
}

.hero-cta:hover i {
    transform: translateX(5px);
}

/* Hero Visual - Right Side */
.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(176, 139, 89, 0.2);
}

.hero-image {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.hero-image-wrapper:hover .hero-image {
    transform: scale(1.03);
}

.hero-image-decoration {
    position: absolute;
    top: -15px;
    left: -15px;
    right: 15px;
    bottom: 15px;
    border: 2px solid var(--accent);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.5;
}

.hero-stats {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    gap: 20px;
    margin-top: 24px;
    padding: 18px 24px;
    background: rgba(10, 61, 58, 0.65);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(176, 139, 89, 0.25);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.hero-stat {
    text-align: center;
    flex: 1;
    position: relative;
}

.hero-stat:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 36px;
    width: 1px;
    background: rgba(176, 139, 89, 0.3);
}

.stat-number {
    display: block;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.1;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: rgba(249, 246, 240, 0.7);
    margin-top: 4px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
}

.scroll-indicator {
    width: 36px;
    height: 54px;
    border: 2px solid rgba(249, 246, 240, 0.25);
    border-radius: 18px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 8px;
    animation: scrollBounce 2s infinite;
}

.scroll-indicator i {
    color: rgba(249, 246, 240, 0.4);
    font-size: 0.9rem;
    animation: scrollArrow 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@keyframes scrollArrow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ===========================================
   Problem Section
   =========================================== */
.problem-section {
    background: var(--bg-cream);
    position: relative;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.problem-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.problem-icon i {
    font-size: 1.5rem;
    color: var(--accent);
}

.problem-card p {
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.8;
}

.problem-card strong {
    color: var(--primary);
    font-weight: 600;
}

.problem-statement {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    padding: 44px 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.problem-statement::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 30px;
    font-size: 6rem;
    color: rgba(176, 139, 89, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.statement-line {
    flex: 1;
    max-width: 120px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.problem-statement blockquote {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--bg-cream);
    text-align: center;
    line-height: 1.7;
    font-style: italic;
    position: relative;
    z-index: 1;
}

/* ===========================================
   Solution Section
   =========================================== */
.solution-section {
    background: white;
    position: relative;
    overflow: hidden;
}

.solution-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(176, 139, 89, 0.05), transparent 70%);
    pointer-events: none;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.solution-visual {
    position: relative;
}

.visual-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.solution-img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.visual-decoration {
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 2px solid var(--accent);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.3;
}

.solution-text {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.solution-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.item-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent);
    opacity: 0.3;
    min-width: 60px;
}

.item-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.item-content .highlight {
    color: var(--accent);
    position: relative;
}

.item-content p {
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ===========================================
   Curriculum Section
   =========================================== */
.curriculum-section {
    background: var(--bg-cream);
    position: relative;
}

.curriculum-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.curriculum-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.curriculum-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

.curriculum-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.lecture-num {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--accent);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon i {
    color: var(--accent);
    font-size: 1.2rem;
}

.card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
}

.card-list {
    list-style: none;
    margin-bottom: 24px;
}

.card-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
    color: var(--text-medium);
}

.card-list li:last-child {
    border-bottom: none;
}

.card-list i {
    color: var(--accent);
    margin-top: 4px;
    flex-shrink: 0;
}

.card-footer {
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.duration {
    font-size: 0.9rem;
    color: var(--text-light);
}

.duration i {
    margin-right: 6px;
    color: var(--accent);
}

.curriculum-cta {
    text-align: center;
    margin-top: 10px;
}

.secondary-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    padding: 17px 38px;
    border: none;
    border-radius: var(--radius-xl);
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 6px 24px rgba(10, 61, 58, 0.3);
}

.secondary-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(10, 61, 58, 0.4);
}

.secondary-cta .cta-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

/* ===========================================
   Target Section
   =========================================== */
.target-section {
    background: linear-gradient(180deg, white 0%, var(--bg-cream) 100%);
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.target-card {
    background: white;
    padding: 36px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.target-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.target-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(10, 61, 58, 0.1), rgba(176, 139, 89, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all var(--transition-normal);
}

.target-card:hover .target-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.target-icon i {
    font-size: 1.3rem;
    color: var(--primary);
    transition: color var(--transition-normal);
}

.target-card:hover .target-icon i {
    color: var(--accent);
}

.target-card p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.7;
}

.target-card strong {
    color: var(--primary);
    font-weight: 600;
}

/* ===========================================
   Testimonials Section - Phone Chat Style
   =========================================== */
.testimonials-section {
    background: var(--bg-cream);
    position: relative;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.phone-chat {
    perspective: 1000px;
}

.phone-frame {
    background: #1c1c1e;
    border-radius: 36px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-normal);
}

.phone-chat:hover .phone-frame {
    transform: translateY(-10px) rotateX(2deg);
    box-shadow: 0 30px 60px rgba(10, 61, 58, 0.25);
}

.phone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    color: white;
    font-size: 0.75rem;
}

.phone-notch {
    width: 80px;
    height: 24px;
    background: #000;
    border-radius: 20px;
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
}

.phone-time {
    font-weight: 600;
}

.phone-status {
    display: flex;
    gap: 6px;
    font-size: 0.7rem;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 24px 24px 0 0;
    margin-top: 8px;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.chat-info {
    display: flex;
    flex-direction: column;
}

.chat-name {
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
}

.chat-status {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
}

.chat-body {
    background: #e5ddd5;
    padding: 16px;
    border-radius: 0 0 24px 24px;
    min-height: 200px;
}

.chat-bubble {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 16px;
    margin-bottom: 8px;
    position: relative;
    animation: fadeInUp 0.5s ease forwards;
}

.chat-bubble.received {
    background: white;
    border-radius: 16px 16px 16px 4px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.chat-bubble.highlight {
    background: linear-gradient(135deg, rgba(176, 139, 89, 0.2), rgba(176, 139, 89, 0.1));
    border: 1px solid rgba(176, 139, 89, 0.3);
}

.chat-bubble p {
    font-size: 0.85rem;
    color: var(--text-dark);
    line-height: 1.5;
    margin-bottom: 4px;
}

.chat-bubble strong {
    color: var(--primary);
}

.bubble-time {
    font-size: 0.65rem;
    color: var(--text-light);
    text-align: right;
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================================
   Final CTA Section
   =========================================== */
.final-cta-section {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    position: relative;
    overflow: hidden;
    padding: 100px 0 120px;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 0% 100%, rgba(176, 139, 89, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 0%, rgba(176, 139, 89, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.final-cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.final-title {
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--bg-cream);
    line-height: 1.35;
    margin-bottom: 20px;
}

.final-title .highlight {
    color: var(--accent);
    position: relative;
}

.final-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
}

.final-desc {
    font-size: 1.15rem;
    color: rgba(249, 246, 240, 0.85);
    line-height: 1.8;
    margin-bottom: 36px;
}

.final-features {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px 40px;
    margin-bottom: 44px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--bg-cream);
    background: rgba(255, 255, 255, 0.08);
    padding: 12px 20px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(176, 139, 89, 0.3);
}

.feature-item i {
    color: var(--accent);
    font-size: 1.1rem;
}

.feature-item span {
    font-size: 0.95rem;
    font-weight: 500;
    white-space: nowrap;
}

.final-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: white;
    padding: 20px 48px;
    border: none;
    border-radius: var(--radius-xl);
    font-family: var(--font-main);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 40px rgba(176, 139, 89, 0.4);
}

.final-cta-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 50px rgba(176, 139, 89, 0.5);
}

.final-cta-btn .cta-icon {
    width: 26px;
    height: 26px;
    object-fit: contain;
}

.final-cta-btn i {
    transition: transform var(--transition-fast);
}

.final-cta-btn:hover i {
    transform: translateX(5px);
}

/* ===========================================
   Footer
   =========================================== */
.footer {
    background: var(--primary-dark);
    padding: 50px 0 100px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer-logo {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--bg-cream);
}

.footer-links {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: rgba(249, 246, 240, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-links a i {
    font-size: 0.8rem;
}

.footer-copyright {
    color: rgba(249, 246, 240, 0.5);
    font-size: 0.85rem;
}

/* ===========================================
   Fixed Bottom CTA
   =========================================== */
.fixed-cta {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
}

.fixed-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: white;
    padding: 16px 36px;
    border: none;
    border-radius: 50px;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 
        0 8px 30px rgba(176, 139, 89, 0.5),
        0 0 0 0 rgba(176, 139, 89, 0.4);
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.fixed-cta-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(176, 139, 89, 0.6);
}

.fixed-cta-btn .cta-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
    flex-shrink: 0;
}

/* Pulse Animation - Urgent Effect */
.fixed-cta-btn.pulse {
    animation: pulseScale 2s ease-in-out infinite, pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseScale {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.06);
    }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 
            0 8px 30px rgba(176, 139, 89, 0.5),
            0 0 0 0 rgba(176, 139, 89, 0.4);
    }
    50% {
        box-shadow: 
            0 10px 35px rgba(176, 139, 89, 0.55),
            0 0 0 8px rgba(176, 139, 89, 0);
    }
}

.fixed-cta-btn:hover {
    animation: none;
    transform: scale(1.05) translateY(-3px);
}

/* ===========================================
   Modals
   =========================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 61, 58, 0.8);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header i {
    color: var(--accent);
}

.modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.modal-body {
    padding: 28px;
    overflow-y: auto;
    max-height: calc(80vh - 80px);
}

.modal-body h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    margin: 24px 0 12px;
}

.modal-body h4:first-child {
    margin-top: 0;
}

.modal-body p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 12px;
}

.modal-body ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 16px;
}

.modal-body li {
    font-size: 0.95rem;
    color: var(--text-medium);
    padding: 8px 0 8px 24px;
    position: relative;
    line-height: 1.6;
}

.modal-body li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* ===========================================
   Animations - AOS Custom
   =========================================== */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* ===========================================
   Responsive - Tablet
   =========================================== */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2rem;
    }
    
    /* Hero Tablet */
    .hero-container {
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.6rem;
    }
    
    .hero-features {
        gap: 12px;
    }
    
    .hero-feature {
        padding: 8px 14px;
    }
    
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .solution-content {
        gap: 50px;
    }
    
    .target-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Testimonials Tablet - 2列布局 */
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .phone-frame {
        border-radius: 32px;
        padding: 10px;
    }
    
    .chat-body {
        min-height: 190px;
    }
    
    .chat-bubble p {
        font-size: 0.82rem;
    }
    
    .final-title {
        font-size: 2.2rem;
    }
}

/* Medium Tablet - between 768px and 900px */
@media (max-width: 900px) and (min-width: 769px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    
    /* Testimonials 2列 */
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        max-width: 700px;
        margin: 0 auto;
    }
}

/* ===========================================
   Responsive - Mobile
   =========================================== */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    section {
        padding: 70px 0;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-desc {
        font-size: 1rem;
    }
    
    /* Hero Mobile - Stacked Layout */
    .hero {
        min-height: auto;
        padding: 80px 0 100px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-content {
        text-align: center;
        order: 1;
    }
    
    .hero-visual {
        order: 2;
    }
    
    .hero-badge {
        margin-bottom: 20px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-features {
        justify-content: center;
        gap: 10px;
        margin-bottom: 28px;
    }
    
    .hero-feature {
        padding: 8px 12px;
    }
    
    .hero-feature span {
        font-size: 0.8rem;
    }
    
    .hero-cta {
        padding: 16px 32px;
        font-size: 1rem;
    }
    
    .hero-stats {
        gap: 20px;
        padding: 16px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .hero-scroll {
        display: none;
    }
    
    /* Problem Mobile - 一行两个，2x2布局 */
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    
    .problem-card {
        padding: 22px 14px;
    }
    
    .problem-icon {
        width: 54px;
        height: 54px;
        margin-bottom: 14px;
    }
    
    .problem-icon i {
        font-size: 1.15rem;
    }
    
    .problem-card p {
        font-size: 0.82rem;
        line-height: 1.55;
    }
    
    .problem-statement {
        flex-direction: column;
        gap: 20px;
        padding: 30px 24px;
    }
    
    .statement-line {
        width: 80px;
        max-width: none;
    }
    
    .problem-statement blockquote {
        font-size: 1.15rem;
    }
    
    /* Solution Mobile */
    .solution-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .solution-visual {
        order: -1;
    }
    
    .solution-item {
        flex-direction: column;
        gap: 12px;
    }
    
    .item-number {
        font-size: 1.5rem;
        min-width: auto;
    }
    
    /* Curriculum Mobile */
    .curriculum-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .curriculum-card {
        padding: 30px 24px;
    }
    
    .card-title {
        font-size: 1.2rem;
    }
    
    /* Target Mobile */
    .target-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .target-card {
        padding: 24px 16px;
    }
    
    .target-card p {
        font-size: 0.85rem;
    }
    
    /* Testimonials Mobile - 一行显示1个，更宽更舒适 */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .phone-frame {
        border-radius: 36px;
        padding: 12px;
    }
    
    .phone-header {
        padding: 10px 20px;
    }
    
    .chat-header {
        padding: 16px;
        border-radius: 24px 24px 0 0;
    }
    
    .chat-avatar {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }
    
    .chat-name {
        font-size: 1rem;
    }
    
    .chat-status {
        font-size: 0.8rem;
    }
    
    .chat-body {
        padding: 16px;
        min-height: 200px;
    }
    
    .chat-bubble {
        padding: 12px 16px;
        max-width: 80%;
    }
    
    .chat-bubble p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .bubble-time {
        font-size: 0.7rem;
    }
    
    /* Final CTA Mobile */
    .final-cta-section {
        padding: 70px 0 100px;
    }
    
    .final-title {
        font-size: 1.7rem;
    }
    
    .final-title .highlight::after {
        height: 2px;
    }
    
    .final-desc {
        font-size: 0.95rem;
        margin-bottom: 28px;
    }
    
    .final-features {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        margin-bottom: 32px;
    }
    
    .feature-item {
        padding: 10px 14px;
    }
    
    .feature-item i {
        font-size: 0.9rem;
    }
    
    .feature-item span {
        font-size: 0.8rem;
    }
    
    .final-cta-btn {
        padding: 15px 32px;
        font-size: 0.95rem;
    }
    
    /* Footer Mobile */
    .footer {
        padding: 40px 0 90px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    /* Fixed CTA Mobile */
    .fixed-cta {
        bottom: 16px;
        left: 16px;
        right: 16px;
        transform: none;
    }
    
    .fixed-cta-btn {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
        font-size: 0.95rem;
    }
    
    /* Modal Mobile */
    .modal-content {
        max-height: 90vh;
        border-radius: var(--radius-md);
    }
    
    .modal-header {
        padding: 20px;
    }
    
    .modal-header h3 {
        font-size: 1rem;
    }
    
    .modal-body {
        padding: 20px;
    }
}

/* ===========================================
   Responsive - Small Mobile
   =========================================== */
@media (max-width: 480px) {
    .hero {
        padding: 70px 0 90px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-badge {
        padding: 8px 14px;
    }
    
    .hero-badge span {
        font-size: 0.75rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-feature {
        width: fit-content;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .hero-stat {
        flex: 1;
        min-width: 60px;
    }
    
    /* Problem Small Mobile - 2x2布局 */
    .problem-grid {
        gap: 10px;
    }
    
    .problem-card {
        padding: 18px 10px;
    }
    
    .problem-icon {
        width: 44px;
        height: 44px;
        margin-bottom: 10px;
    }
    
    .problem-icon i {
        font-size: 0.95rem;
    }
    
    .problem-card p {
        font-size: 0.75rem;
        line-height: 1.5;
    }
    
    .target-grid {
        gap: 12px;
    }
    
    .target-card {
        padding: 20px 12px;
    }
    
    .target-icon {
        width: 50px;
        height: 50px;
    }
    
    /* Testimonials Small Mobile - 保持单列，最大宽度略小 */
    .testimonials-grid {
        max-width: 340px;
        gap: 20px;
    }
    
    .phone-frame {
        border-radius: 32px;
        padding: 10px;
    }
    
    .phone-notch {
        width: 70px;
        height: 22px;
    }
    
    .chat-header {
        padding: 14px;
    }
    
    .chat-avatar {
        width: 40px;
        height: 40px;
    }
    
    .chat-body {
        min-height: 180px;
    }
    
    .chat-bubble p {
        font-size: 0.85rem;
    }
}

/* ===========================================
   Utility Classes
   =========================================== */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.mb-0 { margin-bottom: 0; }
.mt-0 { margin-top: 0; }