/* Килограмм Казино - Улучшенная мобильная версия */

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

:root {
    --primary: #FFD700;
    --secondary: #1a1a2e;
    --accent: #16213e;
    --text: #ffffff;
    --text-dark: #333333;
    --success: #4CAF50;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--secondary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header - Мобильная оптимизация */
.header {
    background: var(--accent);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo h1 {
    font-size: clamp(1.2rem, 5vw, 2rem);
    color: var(--primary);
    margin-bottom: 5px;
    word-break: break-word;
}

.tagline {
    font-size: clamp(0.75rem, 3vw, 0.9rem);
    color: #aaa;
}

.nav {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.nav a {
    color: var(--text);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 5px;
    transition: all 0.3s;
    font-size: clamp(0.8rem, 3vw, 0.95rem);
    white-space: nowrap;
}

.nav a:hover, .nav a:active {
    background: var(--primary);
    color: var(--text-dark);
}

/* Hero Section - Мобильная */
.hero {
    background: var(--gradient);
    padding: 40px 0;
    text-align: center;
}

.hero h2 {
    font-size: clamp(1.5rem, 6vw, 3rem);
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.hero-text {
    font-size: clamp(1rem, 4vw, 1.5rem);
    margin-bottom: 20px;
    padding: 0 10px;
}

.promo-box {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px 15px;
    max-width: 100%;
    margin: 20px auto;
    border: 2px solid var(--primary);
}

.promo-code {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.promo-label {
    font-size: clamp(0.9rem, 3.5vw, 1.2rem);
}

.promo-value {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
    font-weight: bold;
    color: var(--primary);
    letter-spacing: 2px;
    padding: 10px 15px;
    background: rgba(0,0,0,0.3);
    border-radius: 10px;
    word-break: break-all;
}

.copy-btn {
    padding: 10px 20px;
    background: var(--success);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: clamp(0.85rem, 3.5vw, 1rem);
    transition: all 0.3s;
    touch-action: manipulation;
}

.copy-btn:hover, .copy-btn:active {
    background: #45a049;
    transform: scale(1.05);
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: var(--primary);
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 50px;
    font-size: clamp(1rem, 4vw, 1.3rem);
    font-weight: bold;
    margin-top: 15px;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(255,215,0,0.4);
    touch-action: manipulation;
}

.cta-button:hover, .cta-button:active {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255,215,0,0.6);
}

.cta-button.large {
    font-size: clamp(1.1rem, 4.5vw, 1.5rem);
    padding: 20px 40px;
}

.timer {
    margin-top: 15px;
    font-size: clamp(0.9rem, 3.5vw, 1.1rem);
    color: var(--primary);
}

/* Features - Мобильная сетка */
.features {
    padding: 40px 0;
    background: var(--secondary);
}

.features h2 {
    text-align: center;
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    margin-bottom: 30px;
    color: var(--primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature {
    background: var(--accent);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
}

.feature:active {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255,215,0,0.2);
}

.feature-icon {
    font-size: clamp(2rem, 8vw, 3rem);
    margin-bottom: 10px;
}

.feature h3 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: clamp(1.1rem, 4vw, 1.5rem);
}

.feature p {
    font-size: clamp(0.9rem, 3.5vw, 1rem);
    line-height: 1.5;
}

/* How to Start - Мобильная */
.how-to-start {
    padding: 40px 0;
    background: var(--accent);
}

.how-to-start h2 {
    text-align: center;
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    margin-bottom: 30px;
    color: var(--primary);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.step {
    text-align: center;
    padding: 25px 15px;
    background: var(--secondary);
    border-radius: 15px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--text-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.3rem, 5vw, 2rem);
    font-weight: bold;
    margin: 0 auto 15px;
}

.step h3 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: clamp(1rem, 4vw, 1.2rem);
}

.step p {
    font-size: clamp(0.85rem, 3.5vw, 1rem);
}

/* Games Preview */
.games-preview {
    padding: 40px 0;
    background: var(--secondary);
}

.games-preview h2 {
    text-align: center;
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    margin-bottom: 30px;
    color: var(--primary);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.game-card {
    background: var(--accent);
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
}

.game-card:active {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(255,215,0,0.3);
}

.game-img {
    font-size: clamp(2.5rem, 8vw, 4rem);
    margin-bottom: 10px;
}

.game-card h3 {
    color: var(--primary);
    margin-bottom: 5px;
    font-size: clamp(0.95rem, 3.5vw, 1.1rem);
}

.game-card p {
    font-size: clamp(0.8rem, 3vw, 0.9rem);
}

/* FAQ Preview */
.faq-preview {
    padding: 40px 0;
    background: var(--accent);
}

.faq-preview h2 {
    text-align: center;
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    margin-bottom: 30px;
    color: var(--primary);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto 30px;
}

.faq-item {
    background: var(--secondary);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 15px;
}

.faq-item h3 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: clamp(1rem, 4vw, 1.2rem);
}

.faq-item p {
    font-size: clamp(0.9rem, 3.5vw, 1rem);
    line-height: 1.6;
}

.link-button {
    display: block;
    text-align: center;
    color: var(--primary);
    font-size: clamp(1rem, 4vw, 1.2rem);
    text-decoration: none;
    transition: all 0.3s;
}

.link-button:active {
    transform: translateX(10px);
}

/* CTA Final */
.cta-final {
    padding: 40px 0;
    background: var(--gradient);
    text-align: center;
}

.cta-final h2 {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    margin-bottom: 10px;
}

.cta-final p {
    font-size: clamp(1rem, 4vw, 1.2rem);
}

.promo-reminder {
    font-size: clamp(1.1rem, 4vw, 1.5rem);
    margin: 20px 0;
}

.promo-reminder strong {
    color: var(--primary);
    font-size: clamp(1.3rem, 5vw, 2rem);
    letter-spacing: 2px;
}

/* Footer */
.footer {
    background: var(--accent);
    padding: 30px 0 15px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin-bottom: 25px;
}

.footer-section h4 {
    color: var(--primary);
    margin-bottom: 12px;
    font-size: clamp(1rem, 4vw, 1.1rem);
}

.footer-section p,
.footer-section ul li {
    font-size: clamp(0.85rem, 3.5vw, 0.95rem);
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:active {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    font-size: clamp(0.75rem, 3vw, 0.85rem);
}

.warning {
    color: #ff6b6b;
    font-size: clamp(0.75rem, 3vw, 0.9rem);
    margin-top: 8px;
}

/* Дополнительная мобильная оптимизация */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .hero {
        padding: 30px 0;
    }
    
    .features,
    .how-to-start,
    .games-preview,
    .faq-preview,
    .cta-final {
        padding: 30px 0;
    }
    
    .nav {
        gap: 5px;
    }
    
    .nav a {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    
    .promo-box {
        padding: 15px 10px;
    }
    
    .features-grid,
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
}

/* Touch-friendly */
@media (hover: none) and (pointer: coarse) {
    .cta-button,
    .copy-btn,
    .nav a {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Улучшение производительности */
* {
    -webkit-tap-highlight-color: rgba(255, 215, 0, 0.2);
}

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

/* Логотип без белого фона */
.logo img {
    background: transparent;
    mix-blend-mode: screen;
    filter: contrast(1.2) brightness(1.1);
}

/* Красивый текстовый логотип */
.logo h1 {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 10px rgba(255, 215, 0, 0.3);
    letter-spacing: 1px;
}