/* ===== CSS VARIABLES ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #10b981;
    --dark: #0f172a;
    --dark-lighter: #1e293b;
    --dark-card: #1a2234;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-text: linear-gradient(135deg, #6366f1, #0ea5e9, #10b981);
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-sm: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --transition: all 0.3s ease;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ===== UTILITIES ===== */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.badge, .section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 16px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo i {
    color: var(--primary);
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--white);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    padding: 160px 0 100px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

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

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Exchange Card Animation */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.exchange-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 24px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.card-header i {
    color: var(--accent);
    font-size: 1.25rem;
}

.card-header span {
    font-weight: 600;
}

.exchange-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
}

.crypto {
    background: var(--gradient);
    padding: 12px 24px;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    font-size: 1.25rem;
}

.exchange-row i {
    color: var(--text-muted);
}

.rate-comparison {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rate {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.rate.best {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

.rate.best .value {
    color: var(--accent);
    font-weight: 600;
}

.provider {
    color: var(--text-muted);
}

.value {
    font-family: 'Courier New', monospace;
}

/* ===== SECTION STYLES ===== */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.125rem;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-lighter) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-sm);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

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

.about-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===== LEARN SECTION ===== */
.learn-section {
    padding: 120px 0;
    background: var(--dark);
}

.learn-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.learn-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.learn-item:hover {
    border-color: rgba(16, 185, 129, 0.3);
}

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

.learn-content h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.learn-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===== CURRICULUM SECTION ===== */
.curriculum-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--dark-lighter) 0%, var(--dark) 100%);
}

.curriculum-list {
    max-width: 800px;
    margin: 0 auto;
}

.module {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    margin-bottom: 16px;
    overflow: hidden;
}

.module-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.module-header:hover {
    background: rgba(255, 255, 255, 0.02);
}

.module-number {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.module-info {
    flex: 1;
}

.module-info h3 {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.duration {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.duration i {
    margin-right: 6px;
}

.toggle-icon {
    color: var(--text-muted);
    transition: var(--transition);
}

.module.active .toggle-icon {
    transform: rotate(180deg);
}

.module-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.module.active .module-content {
    max-height: 500px;
}

.lessons {
    padding: 0 24px 24px 94px;
}

.lessons li {
    padding: 12px 0;
    color: var(--text-muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.lessons li i {
    color: var(--primary-light);
}

/* ===== AUDIENCE SECTION ===== */
.audience-section {
    padding: 120px 0;
    background: var(--dark);
}

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

.audience-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.audience-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
}

.audience-icon {
    width: 80px;
    height: 80px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.audience-icon i {
    font-size: 2rem;
    color: var(--primary-light);
}

.audience-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.audience-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===== ENROLL SECTION ===== */
.enroll-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-lighter) 100%);
}

.enroll-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: var(--dark-card);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--border-radius);
    padding: 60px;
    box-shadow: var(--shadow);
}

.enroll-content h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.enroll-content > p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.price-box {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 32px;
}

.original-price {
    font-size: 1.5rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.current-price {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-label {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.enroll-features {
    margin-bottom: 32px;
}

.enroll-features li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.enroll-features li i {
    color: var(--accent);
}

.guarantee {
    text-align: center;
    margin-top: 16px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

.enroll-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 32px;
}

.stars {
    margin-bottom: 16px;
}

.stars i {
    color: #fbbf24;
    margin-right: 4px;
}

.testimonial-card > p {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 24px;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

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

.author-info span {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== FAQ SECTION ===== */
.faq-section {
    padding: 120px 0;
    background: var(--dark);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.02);
}

.faq-question h4 {
    font-size: 1.1rem;
}

.faq-question i {
    color: var(--text-muted);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ===== FOOTER ===== */
.footer {
    padding: 80px 0 40px;
    background: var(--dark-lighter);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 16px;
    max-width: 300px;
}

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 1rem;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-muted);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-bottom a {
    color: var(--primary-light);
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    margin-bottom: 30px;
}

.footer-disclaimer p {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.7;
    text-align: center;
}

/* ===== LEGAL PAGES ===== */
.legal-section {
    padding: 160px 0 80px;
    min-height: 100vh;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.last-updated {
    color: var(--text-muted);
    margin-bottom: 40px;
}

.legal-block {
    margin-bottom: 40px;
}

.legal-block h2 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--white);
}

.legal-block h3 {
    font-size: 1.15rem;
    margin: 20px 0 12px;
    color: var(--text);
}

.legal-block p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 12px;
}

.legal-block ul,
.legal-block ol {
    color: var(--text-muted);
    margin-left: 24px;
    margin-bottom: 16px;
}

.legal-block li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.legal-block a {
    color: var(--primary-light);
}

.legal-block a:hover {
    text-decoration: underline;
}

.refund-highlight {
    display: flex;
    gap: 24px;
    padding: 32px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--border-radius);
    margin-bottom: 40px;
}

.refund-highlight .highlight-icon {
    width: 60px;
    height: 60px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.refund-highlight .highlight-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.refund-highlight .highlight-content h3 {
    margin: 0 0 8px;
    color: var(--accent);
}

.refund-highlight .highlight-content p {
    margin: 0;
}

/* ===== CONTACT PAGE ===== */
.contact-hero {
    padding: 160px 0 60px;
    text-align: center;
}

.contact-section {
    padding: 0 0 80px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
}

.contact-form-wrapper {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 40px;
}

.contact-form-wrapper h2 {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select option {
    background: var(--dark);
    color: var(--text);
}

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.contact-info-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 1.25rem;
    color: var(--white);
}

.info-content h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.info-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.info-content a,
.info-content span {
    color: var(--primary-light);
    font-weight: 500;
}

.contact-owner {
    padding: 24px;
    background: var(--dark-card);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--border-radius);
    margin-top: 10px;
}

.contact-owner h3 {
    margin-bottom: 16px;
    font-size: 1.1rem;
}

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

.owner-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.owner-details strong {
    display: block;
    margin-bottom: 4px;
}

.owner-details p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.owner-bio {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== SUPPORT PAGE ===== */
.support-section {
    padding: 0 0 60px;
}

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

.support-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 24px;
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.support-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
}

.support-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.support-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.support-card h3 {
    margin-bottom: 8px;
}

.support-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.support-faq-section {
    padding: 40px 0 80px;
}

.faq-category {
    margin-bottom: 50px;
}

.faq-category h2 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.faq-category h2 i {
    color: var(--primary-light);
}

.still-need-help {
    padding: 0 0 80px;
}

.help-card {
    background: var(--gradient);
    border-radius: var(--border-radius);
    padding: 60px;
    text-align: center;
}

.help-content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.help-content > p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

.help-options {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 24px;
}

.help-options .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.help-options .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.response-time {
    font-size: 0.95rem;
    opacity: 0.8;
}

.response-time i {
    margin-right: 6px;
}

/* ===== CODE PREVIEW IN HERO ===== */
.code-preview {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    margin-bottom: 20px;
    overflow-x: auto;
}

.code-preview pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.code-preview code {
    color: var(--text);
}

.code-tag {
    color: #f472b6;
}

.code-attr {
    color: #a5b4fc;
}

.code-string {
    color: #86efac;
}

.tech-stack {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.tech-badge {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.tech-badge.html {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.tech-badge.css {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.tech-badge.js {
    background: rgba(234, 179, 8, 0.2);
    color: #eab308;
}

.tech-badge.react {
    background: rgba(6, 182, 212, 0.2);
    color: #06b6d4;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-description {
        margin: 0 auto 32px;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .audience-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .enroll-card {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .support-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .about-grid,
    .learn-grid,
    .audience-grid {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .enroll-card {
        padding: 32px;
    }

    .current-price {
        font-size: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        margin: 16px auto 0;
    }

    .legal-content h1 {
        font-size: 2rem;
    }

    .refund-highlight {
        flex-direction: column;
        text-align: center;
    }

    .refund-highlight .highlight-icon {
        margin: 0 auto;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .support-cards {
        grid-template-columns: 1fr;
    }

    .help-card {
        padding: 40px 24px;
    }

    .help-options {
        flex-direction: column;
    }
}