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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --accent: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0f172a;
    --gray-900: #1e293b;
    --gray-800: #334155;
    --gray-700: #475569;
    --gray-600: #64748b;
    --gray-500: #94a3b8;
    --gray-400: #cbd5e1;
    --gray-300: #e2e8f0;
    --gray-200: #f1f5f9;
    --gray-100: #f8fafc;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.7;
    color: var(--gray-700);
    background-color: var(--gray-100);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 0.75rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    padding: 0.75rem 0;
}

.navbar-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

/* Mobile Buy Now Button */
.mobile-buy-btn {
    display: none;
    padding: 8px 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
}

.mobile-buy-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.5);
}

@media (max-width: 768px) {
    .mobile-buy-btn {
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .logo-img {
        height: 35px;
    }
}

.logo-icon {
    display: none;
}

.logo-text {
    display: none;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
}

.nav-links .nav-cta {
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    margin-left: 0.5rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.nav-links .nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    color: white;
    background: var(--gradient-primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.login-btn {
    display: none;
}

/* Hero Section */
.hero {
    background: var(--gradient-dark);
    color: white;
    padding: 6rem 2rem 4rem;
    text-align: center;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    left: -200px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary);
    bottom: -100px;
    right: -100px;
    animation: float 6s ease-in-out infinite reverse;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.6s ease;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -1px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #f472b6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.85;
    animation: fadeInUp 0.6s ease 0.2s both;
    font-weight: 400;
    color: var(--gray-300);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.cta-button.primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 4rem;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray-400);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

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

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

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

/* Sections Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.section {
    background: var(--white);
    margin-bottom: 2.5rem;
    border-radius: 24px;
    padding: 4rem;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.section:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.section:hover::before {
    opacity: 1;
}

.section-alt {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
    font-weight: 800;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.section h3 {
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
    color: var(--gray-800);
    font-weight: 700;
}

.section ul {
    list-style: none;
    margin-left: 0;
}

.section ul li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--gray-700);
    font-size: 1rem;
}

.section ul li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 1rem;
    width: 8px;
    height: 8px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

/* Info Box */
.info-box {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
    border-left: 4px solid var(--primary);
}

.info-box h3 {
    margin-top: 0;
    color: var(--dark);
}

.highlight-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.08) 100%);
    border-left-color: var(--accent);
}

/* Course Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--gray-200);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card:hover::after {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.feature-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
    font-weight: 700;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.glass-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    backdrop-filter: blur(10px);
    text-align: center;
}

/* Comparison Cards */
.comparison-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.compare-card {
    padding: 2rem;
    border-radius: 16px;
    border: 2px solid;
}

.compare-card.bad {
    background: rgba(239, 68, 68, 0.05);
    border-color: rgba(239, 68, 68, 0.2);
}

.compare-card.good {
    background: rgba(16, 185, 129, 0.05);
    border-color: rgba(16, 185, 129, 0.3);
}

.compare-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

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

.compare-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.compare-card ul {
    margin: 0;
}

.compare-card li {
    font-size: 0.95rem;
}

/* Steps Container */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.step-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.step-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.step-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin: 0;
}

/* Examples Grid */
.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.example-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.example-card:hover {
    border-color: var(--primary);
    transform: translateX(5px);
}

.example-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.example-card p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--gray-700);
}

/* Learn Grid */
.learn-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
}

.learn-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.learn-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.learn-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.learn-item span:last-child {
    font-size: 0.95rem;
    color: var(--gray-700);
    font-weight: 500;
}

/* Modules Section */
.module-list {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.module-item {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.module-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.module-header {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: all 0.3s ease;
    background: var(--white);
    color: var(--dark);
    font-size: 1rem;
}

.module-header:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.module-toggle {
    font-size: 1.2rem;
    transition: transform 0.3s;
    color: var(--primary);
}

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

.module-content {
    display: none;
    padding: 1.5rem 2rem;
    background: var(--gray-100);
    border-top: 1px solid var(--gray-200);
}

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

.module-content ul {
    list-style: none;
    padding-left: 0;
    display: grid;
    gap: 0.5rem;
}

.module-content li {
    padding: 0.5rem 0 0.5rem 1.75rem;
    position: relative;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.module-content li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* Pricing Section */
.pricing-container {
    background: var(--gradient-dark);
    color: white;
    padding: 4rem;
    border-radius: 24px;
    text-align: center;
    margin-top: 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.pricing-container::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
    pointer-events: none;
}

.pricing-container::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.pricing-badge {
    display: inline-block;
    background: var(--gradient-primary);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
}

.price-tag {
    font-size: 4rem;
    font-weight: 800;
    margin: 1rem 0;
    position: relative;
    z-index: 1;
    letter-spacing: -2px;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.original-price {
    font-size: 1.5rem;
    text-decoration: line-through;
    opacity: 0.6;
    margin-bottom: 0.5rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.price-benefits {
    margin-top: 2rem;
    text-align: left;
    display: inline-block;
    position: relative;
    z-index: 1;
}

.price-benefits li {
    padding: 0.6rem 0;
    list-style: none;
    padding-left: 2rem;
    position: relative;
    font-size: 1rem;
}

.price-benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    font-weight: bold;
    color: #10b981;
}

/* Comparison Table */
.comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 2rem;
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-table th {
    background: var(--gray-100);
    padding: 1.25rem 1.5rem;
    text-align: left;
    font-weight: 700;
    color: var(--dark);
    border-bottom: 2px solid var(--gray-200);
    font-size: 0.95rem;
}

.comparison-table td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.95rem;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover td {
    background: var(--gray-100);
}

.check-mark {
    color: var(--success);
    font-weight: bold;
    font-size: 1.2rem;
}

.cross-mark {
    color: var(--danger);
    font-weight: bold;
    font-size: 1.2rem;
}

/* FAQ Section */
.faq-container {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.faq-item {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    background: var(--white);
    transition: all 0.3s ease;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1rem;
    color: var(--dark);
    font-family: inherit;
}

.faq-question:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.faq-toggle {
    font-size: 1.2rem;
    transition: transform 0.3s;
    color: var(--primary);
}

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

.faq-answer {
    display: none;
    padding: 1.5rem 2rem;
    background: var(--gray-100);
    border-top: 1px solid var(--gray-200);
    color: var(--gray-700);
    line-height: 1.8;
    font-size: 0.95rem;
}

.faq-answer.active {
    display: block;
}

/* Enrollment Form */
.enrollment-form {
    background: var(--white);
    padding: 3rem;
    border-radius: 24px;
    max-width: 480px;
    margin: 3rem auto;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder {
    color: var(--gray-500);
}

.submit-btn {
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    padding: 1.1rem;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
    font-family: inherit;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(99, 102, 241, 0.4);
}

.submit-btn:active {
    transform: translateY(-1px);
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 4rem 2rem 2rem;
    margin-top: 0;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--gray-400);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 2rem;
    text-align: center;
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* Counter/Timer */
.timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 2.5rem 0;
    text-align: center;
    flex-wrap: nowrap;
}

.timer-item {
    background: var(--white);
    padding: 1rem 1.25rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    min-width: 70px;
}

.timer-value {
    font-size: 2.25rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.timer-label {
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-top: 0.5rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 5rem 1.5rem 3rem;
        min-height: auto;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 1.5rem;
    }

    .stat-divider {
        display: none;
    }

    .navbar-container {
        padding: 0 1rem;
        flex-wrap: wrap;
    }

    .nav-links {
        display: flex;
        width: 100%;
        flex-direction: column;
        order: 3;
        gap: 0.25rem;
        padding-top: 1rem;
    }

    .nav-links a {
        width: 100%;
        text-align: center;
    }

    .mobile-menu-btn {
        display: none;
    }

    .section {
        padding: 2rem 1.5rem;
        border-radius: 16px;
    }

    .section h2 {
        font-size: 1.75rem;
    }

    .timer {
        gap: 0.75rem;
    }

    .price-tag {
        font-size: 2.5rem;
    }

    .learn-grid,
    .examples-grid,
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .cta-button {
        width: 100%;
        justify-content: center;
    }

    .pricing-container {
        padding: 2.5rem 1.5rem;
    }

    .enrollment-form {
        padding: 2rem 1.5rem;
        margin: 2rem 1rem;
    }
}

    .navbar-container {
        padding: 0 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        display: none;
    }

    .section {
        padding: 1.5rem;
    }

    .section h2 {
        font-size: 1.5rem;
    }

    .timer {
        gap: 0.5rem;
    }

    .timer-item {
        padding: 0.75rem 0.75rem;
        min-width: 55px;
    }

    .timer-value {
        font-size: 1.5rem;
    }

    .price-tag {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 7rem 1rem 3rem;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .container {
        padding: 2rem 1rem;
    }

    .section {
        padding: 1.5rem 1rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem;
        font-size: 0.85rem;
    }

    .footer-grid {
        gap: 2rem;
    }

    .timer-item {
        padding: 1rem 0.5rem;
    }

    .timer-value {
        font-size: 1.5rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--gray-600);
}

.mt-3 {
    margin-top: 2rem;
}

.mb-3 {
    margin-bottom: 2rem;
}

.badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.4rem 0.9rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.success {
    color: var(--success);
    font-weight: 600;
}

.highlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

/* Scroll to Top Button */
#scrollToTopBtn {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--gradient-primary);
    color: white;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    z-index: 999;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

#scrollToTopBtn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

/* Selection */
::selection {
    background: rgba(99, 102, 241, 0.2);
    color: var(--dark);
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Mobile Features Slider */
.slider-dots {
    display: none;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.slider-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dots .dot.active {
    background: var(--primary);
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .features-slider {
        display: flex !important;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        gap: 0;
        margin: 0 -1.5rem;
        padding: 1rem 1.5rem;
    }
    
    .features-slider::-webkit-scrollbar {
        display: none;
    }
    
    .features-slider .feature-card {
        flex: 0 0 100%;
        scroll-snap-align: center;
        min-width: calc(100vw - 4rem);
        margin: 0 0.5rem;
    }
    
    .slider-dots {
        display: flex;
    }
}