/* 2025 Trending Colors - Mocha Mousse & Warm Earth Tones */
:root {
    --mocha-primary: #A47864;
    --mocha-light: #C99383;
    --mocha-dark: #8B6650;
    --terracotta: #C77B5B;
    --warm-taupe: #B8A894;
    --cream: #F5F2ED;
    --warm-white: #FCFAF7;
    --deep-brown: #5D4E41;
    --soft-beige: #E8E2D8;
    --ethereal-blue: #9BB0C1;
    --warm-yellow: #E6C79C;
    --success: #A8B48A;
    --warning: #D4A574;
    --error: #C77B7B;
}

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

body {
    font-family: 'Inter', 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--deep-brown);
    background-color: var(--warm-white);
    font-feature-settings: "kern" 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.nav {
    background: var(--warm-white);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(44, 62, 45, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--mocha-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--deep-brown);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--mocha-primary);
}

.cta-button {
    background: var(--mocha-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: var(--mocha-dark);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--cream) 0%, var(--warm-white) 50%, var(--soft-beige) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(164, 120, 100, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 147, 131, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(184, 168, 148, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--deep-brown);
}

.highlight {
    color: var(--mocha-primary);
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--deep-brown);
    opacity: 0.8;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.promo-box {
    background: linear-gradient(135deg, var(--mocha-light), var(--mocha-primary));
    padding: 1.5rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(164, 120, 100, 0.3);
}

.promo-icon {
    font-size: 1.5rem;
}

.promo-text {
    color: white;
    font-weight: 500;
}

.promo-line1, .promo-line2 {
    margin: 0.3rem 0;
    font-size: inherit;
}

.promo-disclaimer {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 0.8rem;
    line-height: 1.3;
    font-style: italic;
}

.promo-code-line {
    margin: 0.8rem 0;
    text-align: center;
}

.promo-code {
    background: white;
    color: var(--mocha-primary);
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-block;
    letter-spacing: 2px;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    border: 2px solid rgba(255,255,255,0.8);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.primary-button {
    background: var(--mocha-primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.primary-button:hover {
    background: var(--mocha-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(164, 120, 100, 0.4);
}

.secondary-button {
    background: transparent;
    color: var(--mocha-primary);
    padding: 1rem 2rem;
    border: 2px solid var(--mocha-primary);
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    background: var(--mocha-primary);
    color: white;
}

/* Hero Illustration */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.student-illustration {
    position: relative;
}

.student-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(44, 62, 45, 0.1);
    width: 300px;
    text-align: center;
}

.student-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--mocha-primary), var(--mocha-light));
    border-radius: 50%;
    margin: 0 auto 1.5rem;
}

.progress-bars {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.progress-bar {
    height: 8px;
    background: var(--soft-beige);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--mocha-primary), var(--mocha-light));
    border-radius: 4px;
    transition: width 2s ease;
}

/* Video Introduction Section */
.video-intro {
    padding: 100px 0;
    background: var(--cream);
}

.video-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: var(--soft-beige);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(164, 120, 100, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(164, 120, 100, 0.3);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
}

.video-description {
    padding: 20px 0;
}

.play-stats {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: center;
}

.video-tag {
    background: var(--mocha-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
}

.video-duration {
    background: var(--warm-taupe);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
}

.video-description h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--deep-brown);
    margin-bottom: 15px;
    line-height: 1.3;
}

.video-description p {
    font-size: 1.1rem;
    color: var(--deep-brown);
    line-height: 1.7;
    margin-bottom: 25px;
}

.video-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--deep-brown);
}

.feature-icon {
    font-size: 1.2rem;
    color: var(--success);
}

/* Video Section Mobile Responsiveness */
@media (max-width: 968px) {
    .video-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .video-description {
        order: -1;
    }
}

@media (max-width: 768px) {
    .video-intro {
        padding: 60px 0;
    }
    
    .video-container {
        gap: 30px;
    }
    
    .video-description h3 {
        font-size: 1.5rem;
    }
    
    .video-description p {
        font-size: 1rem;
    }
    
    .play-stats {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: var(--warm-white);
    position: relative;
}

.benefits::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 0%, rgba(164, 120, 100, 0.03) 25%, transparent 50%),
        linear-gradient(-45deg, transparent 0%, rgba(184, 168, 148, 0.02) 25%, transparent 50%);
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--deep-brown);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--deep-brown);
    opacity: 0.7;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.benefit-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 
        0 4px 20px rgba(93, 78, 65, 0.08),
        0 1px 3px rgba(164, 120, 100, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(184, 168, 148, 0.1);
}

.benefit-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(93, 78, 65, 0.12),
        0 8px 20px rgba(164, 120, 100, 0.15),
        0 2px 8px rgba(201, 147, 131, 0.1);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.benefit-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--deep-brown);
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--deep-brown);
    opacity: 0.8;
    line-height: 1.6;
}

/* Courses Section */
.courses {
    padding: 80px 0;
    background: var(--cream);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.course-card {
    background: white;
    border-radius: 20px;
    box-shadow: 
        0 8px 32px rgba(93, 78, 65, 0.1),
        0 2px 8px rgba(164, 120, 100, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    border: 1px solid rgba(184, 168, 148, 0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: 
        0 25px 50px rgba(93, 78, 65, 0.15),
        0 12px 25px rgba(164, 120, 100, 0.12),
        0 4px 12px rgba(201, 147, 131, 0.1);
}

.course-badge {
    background: var(--mocha-primary);
    color: white;
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.9rem;
    margin: 0;
    display: block;
    text-align: center;
    border-radius: 0;
    flex-shrink: 0;
}

/* Override for course-item badges (catalog modal) */
.course-item .course-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    padding: 6px 14px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    display: block;
    margin: 0;
    text-align: center;
    color: white;
}

/* Badge color variations */
.course-item .course-badge {
    background: #e74c3c; /* Default - Red for featured */
}

/* Specific badge styling */
.course-item .course-badge:contains("Phổ Biến"),
.course-badge:contains("Phổ Biến") {
    background: #f39c12; /* Orange for popular */
}

.course-item .course-badge:contains("Tốt Nhất"),
.course-badge:contains("Tốt Nhất") {
    background: #e74c3c; /* Red for best */
}

.course-item .course-badge:contains("Combo"),
.course-badge:contains("Combo") {
    background: #9b59b6; /* Purple for combo */
}

.course-item .course-badge:contains("Toàn Diện"),
.course-badge:contains("Toàn Diện") {
    background: #3498db; /* Blue for comprehensive */
}

/* Multiple badge positioning */
.course-item .course-badge:first-of-type {
    right: 20px;
}

.course-item .course-badge:nth-of-type(2) {
    right: 120px;
    top: -12px;
}

.course-item .course-badge.location-hanoi {
    background: #2ecc71; /* Green for location */
    right: 120px;
}

.elementary .course-badge {
    background: var(--success);
}

.middle .course-badge {
    background: var(--mocha-primary);
}

.comprehensive .course-badge {
    background: var(--terracotta);
}

.course-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--deep-brown);
    margin: 1.5rem 2rem 1rem;
    flex-shrink: 0;
    line-height: 1.3;
}

.course-features {
    list-style: none;
    padding: 0 2rem;
    margin: 0 0 1rem 0;
    flex-grow: 1;
}

.course-features li {
    padding: 0.5rem 0;
    color: var(--deep-brown);
    opacity: 0.8;
    position: relative;
    padding-left: 1.5rem;
}

.course-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--mocha-primary);
    font-weight: bold;
}

.course-price {
    padding: 2rem;
    border-top: 1px solid var(--soft-beige);
    text-align: center;
}

.original-price {
    text-decoration: line-through;
    color: #999;
    font-size: 1rem;
    display: block;
    margin-bottom: 0.5rem;
}

.discounted-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--mocha-primary);
    display: block;
    margin-bottom: 0.3rem;
}

.discount-note {
    font-size: 0.9rem;
    color: var(--success);
    font-weight: 600;
}

.course-cta-button {
    display: block;
    width: calc(100% - 4rem);
    background: var(--mocha-primary);
    color: white;
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    margin: 1.2rem 2rem 1.5rem 2rem;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
}

.course-cta-button:hover {
    background: var(--mocha-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.25);
}

/* Testimonials */
.testimonials {
    padding: 80px 0;
    background: var(--warm-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(44, 62, 45, 0.08);
}

.testimonial-content p {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--deep-brown);
    line-height: 1.7;
}

.author-info strong {
    color: var(--mocha-primary);
    display: block;
    margin-bottom: 0.2rem;
}

.author-info span {
    font-size: 0.9rem;
    color: var(--deep-brown);
    opacity: 0.7;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--mocha-primary), var(--mocha-light));
    color: white;
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.promo-reminder {
    background: rgba(255, 255, 255, 0.2);
    padding: 1rem 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    display: inline-block;
}

.cta-disclaimer {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 0.8rem;
    font-style: italic;
    line-height: 1.3;
}

.promo-code-large {
    background: white;
    color: var(--mocha-primary);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 700;
    font-size: 1rem;
}

.primary-button.large {
    font-size: 1.3rem;
    padding: 1.2rem 3rem;
    background: white;
    color: var(--mocha-primary);
    margin-bottom: 1rem;
}

.primary-button.large:hover {
    background: var(--cream);
    transform: translateY(-3px);
}

.guarantee {
    margin-top: 1rem;
}

.guarantee small {
    opacity: 0.8;
}

/* Footer */
.footer {
    background: var(--deep-brown);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--mocha-light);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section p, .footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.8;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    color: var(--mocha-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding-top: 120px;
        padding-bottom: 60px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .benefits-grid,
    .courses-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    /* Promo Box Mobile Fixes */
    .promo-box {
        padding: 1.2rem !important;
        margin: 1.5rem 0 !important;
        flex-direction: column !important;
        text-align: center !important;
        gap: 1rem !important;
        border-radius: 12px !important;
    }
    
    .promo-text {
        font-size: 0.9rem !important;
        line-height: 1.4 !important;
        margin: 0 !important;
        text-align: center !important;
    }
    
    .promo-line1, .promo-line2 {
        margin: 0.5rem 0 !important;
        font-size: 0.85rem !important;
    }
    
    .promo-code-line {
        margin: 1.2rem 0 !important;
        text-align: center !important;
    }
    
    .promo-code {
        padding: 1rem 1.8rem !important;
        font-size: 1.1rem !important;
        display: inline-block !important;
        border-radius: 35px !important;
        font-weight: 800 !important;
        letter-spacing: 3px !important;
        white-space: nowrap !important;
        box-shadow: 0 4px 15px rgba(0,0,0,0.25) !important;
        border: 3px solid rgba(255,255,255,0.9) !important;
        transform: scale(1.05) !important;
    }
    
    .promo-icon {
        font-size: 1.8rem !important;
        margin-bottom: 0.5rem !important;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .promo-code-large {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
        word-break: break-all;
    }
    
    .promo-reminder {
        margin-bottom: 2rem;
        text-align: center;
        font-size: 0.9rem;
    }
}

/* Extra Small Mobile Devices */
@media (max-width: 480px) {
    .promo-box {
        padding: 1rem 0.8rem !important;
        margin: 1rem 0 !important;
    }
    
    .promo-text {
        font-size: 0.8rem !important;
        padding: 0 0.5rem !important;
    }
    
    .promo-line1, .promo-line2 {
        font-size: 0.8rem !important;
        margin: 0.4rem 0 !important;
    }
    
    .promo-code {
        padding: 0.9rem 1.5rem !important;
        font-size: 1rem !important;
        letter-spacing: 2px !important;
    }
    
    .hero-title {
        font-size: 1.9rem !important;
    }
    
    .hero-buttons {
        flex-direction: column !important;
        gap: 1rem !important;
        width: 100% !important;
    }
    
    .primary-button, .secondary-button {
        width: 100% !important;
        text-align: center !important;
        padding: 1rem !important;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.benefit-card,
.course-card,
.testimonial-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* High School Course Badge */
.high-school .course-badge {
    background: var(--ethereal-blue);
}


/* All Courses Catalog Section */
.all-courses {
    padding: 80px 0;
    background: var(--warm-white);
}

.course-category {
    margin-bottom: 3rem;
}

.category-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--deep-brown);
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--mocha-light);
}

.course-list {
    display: grid;
    gap: 1rem;
}

.course-item {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 12px rgba(93, 78, 65, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(184, 168, 148, 0.1);
}

.course-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(93, 78, 65, 0.12);
}

.course-info {
    flex: 1;
}

.course-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--deep-brown);
    margin-bottom: 0.5rem;
}

.course-info p {
    color: var(--deep-brown);
    opacity: 0.7;
    margin-bottom: 0.8rem;
    line-height: 1.5;
}

.course-details {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.course-details .price {
    text-decoration: line-through;
    color: #999;
    font-size: 0.9rem;
}

.course-details .discounted {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--mocha-primary);
}

.course-link {
    background: var(--mocha-primary);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.course-link:hover {
    background: var(--mocha-dark);
    transform: translateY(-1px);
}

.catalog-footer {
    margin-top: 3rem;
    text-align: center;
}

.price-disclaimer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(164, 120, 100, 0.2);
}

.price-disclaimer span {
    font-size: 0.8rem;
    color: rgba(93, 78, 65, 0.7);
    font-style: italic;
    line-height: 1.4;
}

.promo-reminder-large {
    background: linear-gradient(135deg, var(--mocha-primary), var(--mocha-light));
    color: white;
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
}

.promo-reminder-large h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.promo-highlight {
    background: white;
    color: var(--mocha-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-weight: 700;
}

.visit-tak12 {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(93, 78, 65, 0.08);
}

.visit-button {
    background: var(--mocha-primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    display: inline-block;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.visit-button:hover {
    background: var(--mocha-dark);
    transform: translateY(-2px);
}

.visit-tak12 p {
    color: var(--deep-brown);
    opacity: 0.7;
    font-size: 0.9rem;
}


/* Course Catalog Section */
.course-catalog-section {
    background: linear-gradient(135deg, var(--mocha-light) 0%, var(--warm-taupe) 100%);
    padding: 80px 0;
    text-align: center;
}

.catalog-cta h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.catalog-cta p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.view-catalog-btn {
    background: linear-gradient(135deg, var(--mocha-primary) 0%, var(--terracotta) 100%);
    color: white;
    border: none;
    padding: 20px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(164, 120, 100, 0.3);
}

.view-catalog-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(164, 120, 100, 0.4);
}

.btn-icon {
    font-size: 1.3rem;
}

/* Modal Styles */
.catalog-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.catalog-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.catalog-modal-content {
    background: white;
    border-radius: 20px;
    width: 90%;
    max-width: 1200px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.catalog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 40px 20px;
    border-bottom: 2px solid var(--background-secondary);
}

.catalog-header h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin: 0;
}

.close-catalog {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-catalog:hover {
    background: var(--background-secondary);
    color: var(--text-primary);
}

/* Tabs */
.catalog-tabs {
    display: flex;
    padding: 0 40px;
    border-bottom: 2px solid var(--background-secondary);
    overflow-x: auto;
}

.tab-btn {
    background: none;
    border: none;
    padding: 15px 20px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tab-btn.active,
.tab-btn:hover {
    color: var(--mocha-primary);
    border-bottom-color: var(--mocha-primary);
}

/* Tab Content */
.catalog-content {
    padding: 40px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 30px;
    align-items: stretch;
}

.course-item {
    background: white;
    border: 2px solid var(--background-secondary);
    border-radius: 15px;
    padding: 25px;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(164, 120, 100, 0.15);
    border-color: var(--mocha-light);
}

.course-item.featured {
    border-color: var(--mocha-primary);
    background: linear-gradient(135deg, #fff 0%, #faf9f8 100%);
    position: relative;
}



.course-item h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin: 0 0 15px 0;
    font-weight: 700;
    line-height: 1.3;
    flex-shrink: 0;
}

.course-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 15px;
    flex-shrink: 0;
    line-height: 1.5;
}

.course-features-mini {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
    flex-grow: 1;
}

.course-features-mini li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.course-features-mini li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--mocha-primary);
    font-weight: bold;
    font-size: 0.9rem;
}

.price-display {
    margin: 20px 0;
    flex-shrink: 0;
}

.price-display .original {
    color: var(--text-secondary);
    text-decoration: line-through;
    font-size: 0.9rem;
    margin-right: 10px;
    display: inline-block;
}

.price-display .discounted {
    color: var(--mocha-primary);
    font-weight: 700;
    font-size: 1.15rem;
    display: inline-block;
}

.select-course {
    display: block;
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: white;
    text-decoration: none;
    padding: 14px 25px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    text-align: center;
    width: 100%;
    margin-top: auto;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

.select-course:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.4);
    background: linear-gradient(135deg, #5ba0f2 0%, #4687cd 100%);
}

/* Catalog Footer */
.catalog-footer {
    background: var(--background-secondary);
    padding: 15px 40px 30px;
    text-align: center;
    border-radius: 0 0 20px 20px;
}

.coupon-warning {
    background: #fff8e1;
    color: #5d4e37;
    padding: 12px 25px;
    border-radius: 8px;
    display: inline-block;
    font-weight: 500;
    border: 1px solid #ffd54f;
    font-size: 0.9rem;
}

.coupon-warning strong {
    color: #8d6e63;
    background: rgba(141, 110, 99, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

/* Tablet Responsiveness */
@media (max-width: 1024px) and (min-width: 769px) {
    .course-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .catalog-modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .catalog-header,
    .catalog-content,
    .catalog-footer {
        padding: 20px;
    }
    
    .catalog-tabs {
        padding: 0 20px;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .catalog-cta h2 {
        font-size: 2rem;
    }
    
    .view-catalog-btn {
        padding: 15px 30px;
        font-size: 1.1rem;
    }
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: var(--warm-white);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border: 2px solid var(--soft-beige);
    border-radius: 15px;
    background: var(--cream);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--mocha-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(164, 120, 100, 0.15);
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--deep-brown);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: var(--mocha-primary);
    background: rgba(164, 120, 100, 0.05);
}

.faq-question:focus {
    outline: none;
    background: rgba(164, 120, 100, 0.08);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--mocha-primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: var(--warm-white);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 25px 30px;
}

.faq-answer p {
    color: var(--deep-brown);
    line-height: 1.7;
    font-size: 1rem;
    margin: 0;
}

/* Inline Links for SEO */
.inline-link {
    color: var(--mocha-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.inline-link:hover {
    color: var(--mocha-dark);
    text-decoration: underline;
}

/* FAQ Mobile Responsiveness */
@media (max-width: 768px) {
    .faq {
        padding: 60px 0;
    }
    
    .faq-question {
        padding: 20px;
        font-size: 1rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 20px;
    }
    
    .faq-answer p {
        font-size: 0.95rem;
    }
    
    .faq-icon {
        font-size: 1.3rem;
    }
}

/* High-specificity mobile promo code fix */
@media screen and (max-width: 768px) {
    .hero .promo-box .promo-text .promo-code-line .promo-code {
        display: block !important;
        width: auto !important;
        max-width: 200px !important;
        margin: 0 auto !important;
        text-align: center !important;
        padding: 12px 20px !important;
        font-size: 16px !important;
        font-weight: bold !important;
        letter-spacing: 2px !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: clip !important;
        background: white !important;
        color: #A47864 !important;
        border-radius: 25px !important;
        box-shadow: 0 4px 12px rgba(0,0,0,0.2) !important;
    }
    
    .hero .promo-box .promo-text {
        text-align: center !important;
        line-height: 1.5 !important;
    }
    
    .hero .promo-box .promo-text .promo-line1,
    .hero .promo-box .promo-text .promo-line2 {
        margin: 8px 0 !important;
        font-size: 14px !important;
    }
}