/* ===================================
   Global Styles & Variables
   =================================== */
:root {
    /* Color Palette - Vibrant & Modern */
    --primary-blue: #2563eb;
    --primary-purple: #7c3aed;
    --primary-orange: #f97316;
    --primary-green: #10b981;
    --primary-pink: #ec4899;
    --primary-teal: #14b8a6;
    
    /* Gradients */
    --gradient-blue: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-purple: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    --gradient-orange: linear-gradient(135deg, #fb923c 0%, #f87171 100%);
    --gradient-green: linear-gradient(135deg, #34d399 0%, #3b82f6 100%);
    --gradient-pink: linear-gradient(135deg, #f472b6 0%, #a78bfa 100%);
    --gradient-teal: linear-gradient(135deg, #2dd4bf 0%, #3b82f6 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    
    /* Neutral Colors */
    --dark-bg: #0f172a;
    --dark-secondary: #1e293b;
    --dark-tertiary: #334155;
    --light-text: #f8fafc;
    --gray-text: #94a3b8;
    --white: #ffffff;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
}

/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-text);
    background-color: var(--dark-bg);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--light-text);
    line-height: 1.2;
    font-weight: 700;
}

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

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

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: var(--font-primary);
    transition: var(--transition-medium);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--light-text);
    font-family: var(--font-heading);
}

.logo i {
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a {
    color: var(--gray-text);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-medium);
}

.nav-links a:hover {
    color: var(--light-text);
    background: rgba(255, 255, 255, 0.05);
}

.btn-nav {
    background: var(--gradient-blue);
    color: var(--white) !important;
    padding: 0.625rem 1.5rem !important;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--light-text);
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--gray-text);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 500;
}

.mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--light-text);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    overflow: hidden;
    margin-top: 70px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    opacity: 0.15;
    z-index: 0;
}

.hero-shape {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: var(--dark-bg);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(102, 126, 234, 0.2);
    color: var(--light-text);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.hero-title {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    color: var(--light-text);
}

.gradient-text {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-text);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-medium);
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-text);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-heading);
}

.stat-label {
    color: var(--gray-text);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-badge {
    display: inline-block;
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.section-header h2 {
    font-size: 2.75rem;
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-text);
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   Executive Summary Section
   =================================== */
.executive-summary {
    background: var(--dark-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.benefit-card {
    background: var(--dark-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--dark-tertiary);
    transition: var(--transition-medium);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(102, 126, 234, 0.5);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.benefit-icon.blue { background: var(--gradient-blue); color: var(--white); }
.benefit-icon.purple { background: var(--gradient-purple); color: var(--white); }
.benefit-icon.orange { background: var(--gradient-orange); color: var(--white); }
.benefit-icon.green { background: var(--gradient-green); color: var(--white); }
.benefit-icon.pink { background: var(--gradient-pink); color: var(--white); }
.benefit-icon.teal { background: var(--gradient-teal); color: var(--white); }

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.benefit-card p {
    color: var(--gray-text);
}

/* ===================================
   Tracks Section
   =================================== */
.tracks-section {
    background: var(--dark-bg);
}

.tracks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.track-card {
    background: var(--dark-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--dark-tertiary);
    transition: var(--transition-medium);
    position: relative;
}

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

.track-card.popular,
.track-card.premium {
    border: 2px solid;
}

.track-card.popular {
    border-color: #f97316;
}

.track-card.premium {
    border-color: #14b8a6;
}

.popular-badge,
.premium-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 0.375rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.popular-badge {
    background: var(--gradient-orange);
    color: var(--white);
}

.premium-badge {
    background: var(--gradient-teal);
    color: var(--white);
}

.track-header {
    padding: var(--spacing-md);
    color: var(--white);
    text-align: center;
}

.gradient-blue { background: var(--gradient-blue); }
.gradient-purple { background: var(--gradient-purple); }
.gradient-orange { background: var(--gradient-orange); }
.gradient-green { background: var(--gradient-green); }
.gradient-pink { background: var(--gradient-pink); }
.gradient-teal { background: var(--gradient-teal); }

.track-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-size: 2rem;
}

.track-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.track-audience {
    font-size: 0.875rem;
    opacity: 0.9;
}

.track-body {
    padding: var(--spacing-md);
}

.track-description {
    color: var(--gray-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.track-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.tech-badge {
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
    padding: 0.375rem 0.875rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.track-price {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--dark-tertiary);
    border-bottom: 1px solid var(--dark-tertiary);
}

.price-label {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-text);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-heading);
}

.price-period {
    color: var(--gray-text);
    font-size: 1rem;
}

.btn-track {
    width: 100%;
    background: var(--gradient-blue);
    color: var(--white);
    padding: 0.875rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-medium);
}

.btn-track:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   Pricing Section
   =================================== */
.pricing-section {
    background: var(--dark-secondary);
}

.pricing-subtitle {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--light-text);
}

.pricing-table-wrapper {
    margin-bottom: var(--spacing-lg);
}

.pricing-table {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--dark-bg);
}

thead {
    background: var(--gradient-blue);
}

thead th {
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 600;
}

tbody tr {
    border-bottom: 1px solid var(--dark-tertiary);
    transition: var(--transition-fast);
}

tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
}

tbody tr.highlight {
    background: rgba(249, 115, 22, 0.1);
}

tbody tr.premium-row {
    background: rgba(20, 184, 166, 0.1);
}

tbody td {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-text);
}

tbody td strong {
    color: var(--light-text);
    font-size: 1.25rem;
}

.btn-small {
    background: var(--gradient-blue);
    color: var(--white);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition-medium);
}

.btn-small:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Bundle Section */
.bundle-section {
    margin-bottom: var(--spacing-lg);
}

.bundle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.bundle-card {
    background: var(--dark-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--dark-tertiary);
    transition: var(--transition-medium);
    position: relative;
}

.bundle-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(102, 126, 234, 0.5);
}

.bundle-card.featured {
    border: 2px solid #f97316;
    background: rgba(249, 115, 22, 0.05);
}

.featured-label {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-orange);
    color: var(--white);
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
}

.bundle-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--white);
}

.bundle-card h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.bundle-discount {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.bundle-card p {
    color: var(--gray-text);
    margin-bottom: var(--spacing-sm);
}

.btn-bundle {
    background: var(--gradient-blue);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    width: 100%;
    transition: var(--transition-medium);
}

.btn-bundle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Service Tiers / Campus Plans */
.service-tiers {
    margin-top: var(--spacing-lg);
}

.service-caption {
    text-align: center;
    color: var(--gray-text);
    max-width: 720px;
    margin: 0 auto var(--spacing-md);
    font-size: 0.95rem;
}

.tiers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.tier-card {
    background: var(--dark-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--dark-tertiary);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.tier-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(102, 126, 234, 0.5);
}

.tier-header {
    text-align: left;
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--dark-tertiary);
}

.tier-header h4 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.tier-header p,
.tier-subtitle {
    color: var(--gray-text);
    font-size: 0.9rem;
}

/* Campus-specific enhancements */
.campus-grid {
    align-items: stretch;
}

.campus-card {
    display: flex;
    flex-direction: column;
}

/* Plan chips */
.plan-chip {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 0.25rem 0.9rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.plan-chip-entry {
    background: rgba(52, 211, 153, 0.2);
    color: #6ee7b7;
    border: 1px solid rgba(52, 211, 153, 0.4);
}

.plan-chip-popular {
    background: rgba(249, 115, 22, 0.2);
    color: #fed7aa;
    border: 1px solid rgba(249, 115, 22, 0.4);
}

.plan-chip-secure {
    background: rgba(56, 189, 248, 0.2);
    color: #bae6fd;
    border: 1px solid rgba(56, 189, 248, 0.4);
}

/* Tabs */
.campus-tabs {
    display: inline-flex;
    background: rgba(15, 23, 42, 0.9);
    border-radius: 999px;
    padding: 0.25rem;
    border: 1px solid var(--dark-tertiary);
    margin-bottom: var(--spacing-sm);
}

.campus-tab {
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-text);
    background: transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border: none;
}

.campus-tab i {
    font-size: 0.85rem;
}

.campus-tab.active {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

/* Body & modes */
.campus-body {
    margin-top: 0.5rem;
}

.campus-mode {
    display: none;
    animation: fadeInUp 0.35s ease;
}

.campus-mode.active {
    display: block;
}

/* Price */
.campus-price {
    margin: 0 0 var(--spacing-sm);
    padding: 0.75rem 0;
    border-bottom: 1px dashed var(--dark-tertiary);
}

.campus-price-main {
    font-family: var(--font-heading);
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.4rem;
    margin-bottom: 0.35rem;
}

.campus-price-main .amount {
    font-size: 1.9rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.campus-price-main .period {
    font-size: 0.9rem;
    color: var(--gray-text);
}

.campus-price-note {
    font-size: 0.85rem;
    color: var(--gray-text);
    line-height: 1.6;
}

/* Features list */
.campus-features {
    list-style: none;
    margin: 0 0 var(--spacing-sm);
    padding-left: 0;
}

.campus-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-text);
    margin-bottom: 0.4rem;
    position: relative;
    padding-left: 1.1rem;
}

.campus-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0.06rem;
    color: #60a5fa;
    font-size: 1.1rem;
}

/* CTAs */
.campus-cta {
    margin-top: 0.25rem;
}

.btn-wide {
    width: 100%;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(148, 163, 184, 0.8);
    color: var(--light-text);
}

.btn-outline:hover {
    background: rgba(148, 163, 184, 0.15);
}

.cta-note {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--gray-text);
}

/* ===================================
   Why Section
   =================================== */
.why-section {
    background: var(--dark-bg);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.why-card {
    background: var(--dark-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--dark-tertiary);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-blue);
    transition: var(--transition-medium);
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(102, 126, 234, 0.5);
}

.why-card:hover::before {
    width: 100%;
    opacity: 0.05;
}

.why-number {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    font-family: var(--font-heading);
}

.why-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.why-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.why-card p {
    color: var(--gray-text);
    line-height: 1.7;
}

/* ===================================
   Contact Section
   =================================== */
.contact-section {
    background: var(--dark-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.contact-info > p {
    color: var(--gray-text);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--dark-bg);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    border: 1px solid var(--dark-tertiary);
    transition: var(--transition-medium);
}

.contact-item:hover {
    border-color: rgba(102, 126, 234, 0.5);
    transform: translateX(5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-blue);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 0.875rem;
    color: var(--gray-text);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.contact-text a {
    color: var(--light-text);
    font-weight: 600;
    font-size: 1.125rem;
}

.contact-text a:hover {
    color: #667eea;
}

.contact-cta {
    background: var(--dark-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--dark-tertiary);
}

.contact-cta h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.cta-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-text);
}

.cta-feature i {
    color: #10b981;
    font-size: 1.125rem;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--dark-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--dark-tertiary);
}

.contact-form h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--light-text);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-group label i {
    color: #667eea;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    background: var(--dark-secondary);
    border: 1px solid var(--dark-tertiary);
    border-radius: var(--radius-md);
    color: var(--light-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-medium);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    background: var(--gradient-blue);
    color: var(--white);
    padding: 1rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-medium);
    margin-top: var(--spacing-sm);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.form-message {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
    display: block;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark-bg);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--dark-tertiary);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--light-text);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.footer-logo i {
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
}

.footer-section p {
    color: var(--gray-text);
    line-height: 1.7;
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a,
.footer-section ul li {
    color: var(--gray-text);
    transition: var(--transition-medium);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section ul li a:hover {
    color: var(--light-text);
    transform: translateX(3px);
}

.footer-section ul li i {
    color: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--dark-tertiary);
    color: var(--gray-text);
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-blue);
    color: var(--white);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition-medium);
}

.scroll-top-btn.visible {
    display: flex;
}

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-header h2 {
        font-size: 2.25rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .tracks-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-table {
        font-size: 0.875rem;
    }
    
    table thead {
        display: none;
    }
    
    table, table tbody, table tr, table td {
        display: block;
        width: 100%;
    }
    
    table tr {
        margin-bottom: var(--spacing-sm);
        background: var(--dark-bg);
        padding: var(--spacing-sm);
        border-radius: var(--radius-md);
    }
    
    table td {
        text-align: right;
        padding: 0.5rem;
        position: relative;
        padding-left: 50%;
    }
    
    table td::before {
        content: attr(data-label);
        position: absolute;
        left: 0.5rem;
        font-weight: 600;
        color: var(--light-text);
        text-align: left;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid,
    .tiers-grid,
    .bundle-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .pricing-subtitle {
        font-size: 1.5rem;
    }
}