/**
 * Стили для registraciya-v-kazino.co.com
 * Темная тема с желтыми акцентами
 * Flat дизайн
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0a0a0b;
    --bg-secondary: #18181b;
    --bg-tertiary: #27272a;
    --bg-card: #1f1f23;
    
    /* Accent - Yellow/Amber */
    --accent-primary: #f59e0b;
    --accent-secondary: #fbbf24;
    --accent-light: #fef3c7;
    --accent-dark: #d97706;
    --accent-glow: rgba(245, 158, 11, 0.3);
    
    /* Text */
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --text-accent: #f59e0b;
    
    /* Status */
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 4px 20px rgba(245, 158, 11, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Unbounded', 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

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

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 10, 11, 0.95);
    border-bottom-color: var(--bg-tertiary);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

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

.logo:hover {
    color: var(--text-primary);
}

.logo-icon {
    flex-shrink: 0;
}

.logo-text {
    font-family: 'Unbounded', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-text .accent {
    color: var(--accent-primary);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--accent-secondary);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-dark));
    color: var(--bg-primary);
    box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(245, 158, 11, 0.4);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-full {
    width: 100%;
}

/* ============================================
   Main
   ============================================ */
.main {
    min-height: 100vh;
    padding-top: 72px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: var(--spacing-3xl) 0;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 40%),
        linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: 
        linear-gradient(var(--text-muted) 1px, transparent 1px),
        linear-gradient(90deg, var(--text-muted) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-xl);
    animation: fadeInDown 0.6s ease;
}

.badge-icon {
    font-size: 1.25rem;
}

.badge-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-title .accent {
    color: var(--accent-primary);
    position: relative;
}

.hero-title .accent::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 2px;
    transform: scaleX(0);
    animation: scaleIn 0.4s ease 0.5s forwards;
}

/* Hero Meta (обновлено + время чтения) */
.hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--text-muted);
    animation: fadeInDown 0.6s ease 0.05s both;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.meta-divider {
    color: var(--bg-tertiary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-subtitle strong {
    color: var(--accent-primary);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.6s ease 0.3s both;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: 'Unbounded', sans-serif;
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-primary);
}

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

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ============================================
   Casino Cards
   ============================================ */
.casino-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-xl);
}

.casino-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.casino-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.casino-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(245, 158, 11, 0.1);
}

.casino-card:first-child {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), transparent);
}

.casino-position {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-family: 'Unbounded', sans-serif;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent-primary);
    background: rgba(245, 158, 11, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.casino-header {
    margin-bottom: var(--spacing-lg);
}

.casino-name {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.casino-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stars {
    display: flex;
    gap: 2px;
}

.star {
    color: var(--accent-primary);
    font-size: 1.125rem;
}

.star.empty {
    color: var(--bg-tertiary);
}

.rating-value {
    font-weight: 700;
    color: var(--text-primary);
}

.casino-bonus {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-dark));
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.bonus-label {
    display: block;
    font-size: 0.75rem;
    color: rgba(0, 0, 0, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.bonus-value {
    display: block;
    font-family: 'Unbounded', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bg-primary);
}

.casino-details {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--bg-tertiary);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
}

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

.detail-value {
    font-weight: 600;
    color: var(--text-primary);
}

.casino-features {
    margin-bottom: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ============================================
   Steps
   ============================================ */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.step-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.step-number {
    font-family: 'Unbounded', sans-serif;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent-primary);
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
}

.step-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.step-text {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    background: var(--bg-card);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(10px);
}

.faq-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.faq-item:hover {
    border-color: var(--accent-primary);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    cursor: pointer;
}

.faq-icon {
    flex-shrink: 0;
    color: var(--accent-primary);
    transition: transform var(--transition-fast);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

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

.faq-answer-content {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   CTA Section
   ============================================ */
.section-cta {
    background: var(--bg-secondary);
}

.cta-card {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.05));
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    text-align: center;
}

.cta-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.cta-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto var(--spacing-xl);
}

.cta-text strong {
    color: var(--accent-primary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--bg-tertiary);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.author-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--bg-tertiary);
    margin-bottom: var(--spacing-2xl);
}

.author-avatar {
    flex-shrink: 0;
}

.author-label {
    display: block;
    font-size: 0.75rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.author-name {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.author-bio {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.responsible-gaming {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-2xl);
}

.age-badge {
    flex-shrink: 0;
}

.responsible-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-disclaimer {
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-2xl);
}

.footer-disclaimer p {
    color: var(--text-muted);
    font-size: 0.8125rem;
    line-height: 1.7;
}

.footer-bottom {
    text-align: center;
}

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

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

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

@keyframes scaleIn {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
    
    .stat {
        flex: 0 0 calc(50% - var(--spacing-lg) / 2);
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .casino-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .author-section {
        flex-direction: column;
        text-align: center;
    }
    
    .responsible-gaming {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-card {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .header-content {
        height: 64px;
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }
    
    .hero-badge {
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .badge-text {
        font-size: 0.75rem;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
}

/* Focus states for accessibility */
.btn:focus-visible,
.faq-question:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}