/* ========================================
   Fansly Academy - Premium Training Portal
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-card-hover: #1a1a25;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7a;
    
    --accent-primary: #00d4ff;
    --accent-secondary: #7b2fff;
    --accent-tertiary: #ff2d92;
    
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7b2fff 50%, #ff2d92 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 47, 255, 0.1) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(0, 212, 255, 0.3) 0%, rgba(123, 47, 255, 0.3) 100%);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(0, 212, 255, 0.3);
    
    /* Typography */
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 120px;
    
    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.2);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Effects */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
    background: 
        radial-gradient(ellipse 80% 50% at 20% -20%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 0%, rgba(123, 47, 255, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 50% 100%, rgba(255, 45, 146, 0.08) 0%, transparent 50%);
}

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 28px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    display: block;
    padding: 10px 20px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    border-radius: 10px;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-links a.nav-profile {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.3);
    transition: all 0.3s ease;
}

.nav-links a.nav-profile:hover {
    background: rgba(168, 85, 247, 0.25);
    border-color: rgba(168, 85, 247, 0.5);
    transform: scale(1.05);
}

.nav-links a.nav-profile svg {
    color: #a855f7;
}

.nav-links a.active {
    color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    padding: 120px 24px 80px;
    max-width: var(--container-width);
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 640px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px 8px 12px;
    background: var(--gradient-subtle);
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}

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

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

.hero-title {
    font-size: clamp(40px, 5vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

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

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
}

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

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

.btn-light {
    background: white;
    color: var(--bg-primary);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.2);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* Hero Visual */
.hero-visual {
    flex: 1;
    max-width: 520px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 440px;
}

/* Фоновые формы с градиентом */
.hero-bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    animation: pulse 8s ease-in-out infinite;
    pointer-events: none;
}

.hero-bg-shape.shape-1 {
    width: 220px;
    height: 220px;
    background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    top: 15%;
    left: 5%;
}

.hero-bg-shape.shape-2 {
    width: 160px;
    height: 160px;
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    bottom: 15%;
    right: 5%;
    animation-delay: -3s;
}

.hero-bg-shape.shape-3 {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #22c55e 0%, #10b981 100%);
    top: 55%;
    left: 45%;
    animation-delay: -5s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.35; }
    50% { transform: scale(1.15); opacity: 0.5; }
}

/* Карточки — glassmorphism */
.hero-card {
    position: absolute;
    background: rgba(12, 12, 18, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.12) 0%, rgba(236, 72, 153, 0.06) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.hero-card:hover::before {
    opacity: 1;
}

.hero-card:hover {
    transform: translateY(-8px) scale(1.03);
    border-color: rgba(168, 85, 247, 0.5);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 80px rgba(168, 85, 247, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.hero-card .card-glow {
    position: absolute;
    inset: -3px;
    border-radius: 26px;
    background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    opacity: 0;
    z-index: -1;
    filter: blur(30px);
    transition: opacity 0.4s ease;
}

.hero-card:hover .card-glow {
    opacity: 0.5;
}

/* Главная карточка */
.hero-card.card-main {
    padding: 36px 44px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    animation: floatMain 6s ease-in-out infinite;
}

.hero-card.card-main:hover {
    transform: translate(-50%, -50%) translateY(-8px) scale(1.03);
}

@keyframes floatMain {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-15px); }
}

.card-content {
    position: relative;
    text-align: center;
    z-index: 1;
}

.card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 18px;
}

.card-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 4px 12px rgba(168, 85, 247, 0.4));
}

.card-title {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}

.card-subtitle {
    font-size: 13px;
    color: var(--text-muted);
}

.card-badge {
    display: inline-block;
    margin-top: 14px;
    padding: 5px 14px;
    background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.4);
}

.card-value {
    font-size: 26px;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.75) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 6px;
}

/* Карточка 2 — справа вверху */
.hero-card.card-2 {
    padding: 22px 30px;
    top: 8%;
    right: 0;
    z-index: 2;
    animation: float2 5s ease-in-out infinite;
}

@keyframes float2 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(2deg); }
}

.hero-card.card-2 .card-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 14px;
}

.hero-card.card-2 .card-icon svg {
    filter: drop-shadow(0 4px 12px rgba(251, 191, 36, 0.4));
}

.hero-card.card-2 .card-title {
    font-size: 13px;
    color: #fbbf24;
}

/* Карточка 3 — слева внизу */
.hero-card.card-3 {
    padding: 22px 30px;
    bottom: 8%;
    left: 0;
    z-index: 2;
    animation: float3 7s ease-in-out infinite;
}

@keyframes float3 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-2deg); }
}

.hero-card.card-3 .card-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 14px;
}

.hero-card.card-3 .card-icon svg {
    filter: drop-shadow(0 4px 12px rgba(34, 197, 94, 0.4));
}

.hero-card.card-3 .card-title {
    font-size: 13px;
    color: #22c55e;
}

/* Декоративные линии */
.hero-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.4;
}

.line-animate {
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
    animation: drawLine 5s ease-in-out infinite;
}

.line-animate.delay-1 {
    animation-delay: 1.5s;
}

@keyframes drawLine {
    0%, 100% { stroke-dashoffset: 500; opacity: 0; }
    20% { opacity: 1; }
    50% { stroke-dashoffset: 0; opacity: 1; }
    80% { opacity: 1; }
}

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

/* ========================================
   Sections
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gradient-subtle);
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Overview Section */
.overview {
    padding: var(--section-padding) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.feature-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: var(--transition-base);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-subtle);
    border: 1px solid var(--border-accent);
    border-radius: 14px;
    margin-bottom: 20px;
}

.feature-icon svg {
    stroke: var(--accent-primary);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Modules Preview */
.modules-preview {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.modules-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.module-item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition-base);
}

.module-item:hover {
    border-color: var(--border-accent);
    transform: translateX(8px);
}

.module-number {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 600;
    color: var(--accent-primary);
    min-width: 48px;
}

.module-info {
    flex: 1;
}

.module-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.module-info p {
    font-size: 14px;
    color: var(--text-muted);
}

.module-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lessons-count {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.badge-soon {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-tertiary);
    padding: 6px 12px;
    background: rgba(255, 45, 146, 0.1);
    border: 1px solid rgba(255, 45, 146, 0.3);
    border-radius: 8px;
}

.module-item.coming-soon {
    opacity: 0.6;
}

.modules-cta {
    text-align: center;
    margin-top: 48px;
}

/* CTA Section */
.cta-section {
    padding: var(--section-padding) 0;
}

.cta-card {
    position: relative;
    padding: 80px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 32px;
    text-align: center;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: var(--gradient-primary);
    filter: blur(120px);
    opacity: 0.15;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

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

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

.footer-column a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 140px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        width: 100%;
        max-width: 400px;
        min-height: 300px;
    }
    
    .hero-card.card-main {
        padding: 24px 28px;
    }
    
    .hero-card.card-2,
    .hero-card.card-3 {
        padding: 16px 20px;
    }
    
    .card-icon {
        width: 48px;
        height: 48px;
    }
    
    .hero-card.card-2 .card-icon,
    .hero-card.card-3 .card-icon {
        width: 36px;
        height: 36px;
    }
    
    .hero-bg-shape {
        opacity: 0.25;
    }
    
    .hero-lines {
        display: none;
    }
}

@media (max-width: 900px) {
    .hero-visual {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 16px;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }
    
    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        font-size: 24px;
        padding: 16px 32px;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .module-item {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .cta-card {
        padding: 48px 24px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .hero-visual {
        display: none;
    }
}