/* Bounty Casino - Premium SEO-Optimized Design for Yandex TOP-5 */

/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-bg: #F2F3F9;
    --white: #FFFFFF;
    --accent-blue: #0584FF;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --light-gray: #f8f9fa;
    --border: #e0e4e9;
    --shadow: rgba(5, 132, 255, 0.08);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-dark);
    line-height: 1.7;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header - Premium Design */
.header {
    background: rgba(255, 255, 255, 0.98);
    padding: 18px 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(224, 228, 233, 0.6);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

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

.logo:hover {
    transform: translateY(-2px);
}

.logo-image {
    height: 42px;
    width: auto;
    filter: drop-shadow(0 2px 6px rgba(5, 132, 255, 0.15));
}

.logo-text {
    font-size: 26px;
    font-weight: 800;
    background: linear-gradient(135deg, #0584FF 0%, #0a52b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    flex-wrap: wrap;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    transition: var(--transition);
    font-size: 15px;
    position: relative;
    padding: 10px 20px;
    border-radius: 8px;
    background: transparent;
}

.nav-menu a:hover {
    background: rgba(5, 132, 255, 0.08);
    color: var(--accent-blue);
}

.nav-menu a.active {
    background: linear-gradient(135deg, rgba(5, 132, 255, 0.1) 0%, rgba(5, 132, 255, 0.05) 100%);
    color: var(--accent-blue);
    font-weight: 700;
}

.header-actions {
    display: flex;
    gap: 12px;
}

/* Premium Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 15px;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.btn:hover::before {
    width: 250px;
    height: 250px;
}

.btn-primary {
    background: linear-gradient(135deg, #0584FF 0%, #0468d6 100%);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(5, 132, 255, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(5, 132, 255, 0.45);
}

.btn-secondary {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid rgba(5, 132, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(5, 132, 255, 0.08);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 45px;
    font-size: 18px;
    border-radius: 14px;
}

/* Hero Section - Modern Gradient */
.hero {
    position: relative;
    background: linear-gradient(135deg, #0584FF 0%, #0468d6 50%, #0a52b8 100%);
    padding: 120px 0 100px;
    color: var(--white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.12;
    z-index: 0;
    mix-blend-mode: overlay;
}

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

.hero-title {
    font-size: 56px;
    font-weight: 900;
    margin-bottom: 25px;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
    letter-spacing: -1px;
    color: #FFFFFF;
}

.hero-title .highlight {
    color: #FFD700;
    text-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
}

.hero-subtitle {
    font-size: 21px;
    margin-bottom: 45px;
    line-height: 1.7;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
    opacity: 1;
    color: #FFFFFF;
    text-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.promo-code {
    margin-top: 20px;
    padding: 25px 40px;
    background: rgba(255,255,255,0.15);
    border-radius: 16px;
    display: inline-block;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.2);
}

.promo-code-label {
    font-size: 16px;
    margin-bottom: 10px;
    opacity: 1;
    font-weight: 500;
    color: #FFFFFF;
}

.promo-code-text {
    font-size: 36px;
    font-weight: 900;
    color: #ffd700;
    letter-spacing: 3px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* Main Content - Enhanced Readability */
.main-content {
    background-color: var(--primary-bg);
}

.section {
    padding: 90px 0;
}

.section-alt {
    background: linear-gradient(180deg, var(--white) 0%, var(--light-gray) 100%);
    box-shadow: inset 0 1px 0 var(--border);
}

.section-title {
    font-size: 42px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), #0468d6);
    border-radius: 2px;
}

.section-title .highlight {
    color: var(--accent-blue);
    position: relative;
}

/* Premium Typography */
h1 {
    font-size: 3rem;
    margin-bottom: 25px;
    font-weight: 900;
    color: var(--text-dark);
    line-height: 1.2;
}

h2 {
    font-size: 2.4rem;
    margin-bottom: 30px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.3;
}

h3 {
    font-size: 1.75rem;
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--accent-blue);
    line-height: 1.4;
}

p {
    color: var(--text-gray);
    margin-bottom: 22px;
    line-height: 1.85;
    font-size: 17px;
}

strong {
    color: var(--accent-blue);
    font-weight: 700;
}

/* Content Layout - Premium Spacing */
.content-text-full {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    padding: 50px;
    border-radius: 16px;
    box-shadow: 0 4px 20px var(--shadow);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 70px;
}

.content-text ul {
    list-style: none;
    padding-left: 0;
}

.content-text ul li {
    padding-left: 35px;
    margin-bottom: 18px;
    position: relative;
    color: var(--text-gray);
    line-height: 1.7;
}

.content-text ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: 900;
    font-size: 22px;
}

/* Features Grid - Modern Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid var(--border);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), #0468d6);
    transform: scaleX(0);
    transition: var(--transition);
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(5, 132, 255, 0.2);
    border-color: var(--accent-blue);
}

.feature-icon {
    font-size: 56px;
    margin-bottom: 25px;
    filter: drop-shadow(0 4px 8px var(--shadow));
}

.feature-card h3 {
    margin-bottom: 18px;
    font-size: 1.5rem;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 16px;
    line-height: 1.7;
}

/* Premium Images */
.content-text-full img,
.content-grid img,
main img {
    width: 100%;
    max-width: 900px;
    height: auto;
    display: block;
    margin: 30px auto;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(5, 132, 255, 0.15);
    border: 3px solid rgba(5, 132, 255, 0.1);
    transition: var(--transition);
}

main img:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 15px 40px rgba(5, 132, 255, 0.25);
    border-color: rgba(5, 132, 255, 0.3);
}

/* Footer - Professional */
.footer {
    background: linear-gradient(180deg, var(--white) 0%, var(--light-gray) 100%);
    padding: 70px 0 30px;
    border-top: 4px solid var(--accent-blue);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-section h3 {
    margin-bottom: 25px;
    color: var(--text-dark);
    font-size: 1.3rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 14px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-gray);
    transition: var(--transition);
    font-size: 16px;
}

.footer-links a:hover {
    color: var(--accent-blue);
    padding-left: 5px;
}

.footer-section p {
    margin-bottom: 14px;
    font-size: 16px;
}

.footer-bottom {
    text-align: center;
    padding-top: 35px;
    border-top: 2px solid var(--border);
}

.footer-bottom p {
    color: var(--text-gray);
    font-size: 15px;
}

/* Responsive - Mobile Optimization */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    .nav {
        flex-direction: column;
        text-align: center;
    }

    .nav-menu {
        gap: 20px;
    }

    .hero {
        padding: 80px 0 60px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .content-text-full {
        padding: 30px 20px;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 32px;
    }
}