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

:root {
    /* Colors */
    --primary: #0088cc;
    --primary-dark: #006699;
    --primary-light: #33a8dd;
    --secondary: #8b5cf6;
    --accent: #f59e0b;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-gold: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    --gradient-silver: linear-gradient(135deg, #c0c0c0 0%, #e8e8e8 100%);
    --gradient-bronze: linear-gradient(135deg, #cd7f32 0%, #e8a87c 100%);

    /* Neutrals */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --border: #2d3748;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.4);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===== Base Styles ===== */
body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ===== Header ===== */
.header {
    background: var(--bg-secondary);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* ===== Hero Section ===== */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

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

.hero-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-telegram {
    background: var(--primary);
    color: white;
    width: 100%;
    max-width: 400px;
    padding: 1rem;
}

.btn-telegram:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== Top Players Section ===== */
.top-players {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

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

.section-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.players-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.player-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.player-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.player-card.rank-1 {
    border-color: #ffd700;
}

.player-card.rank-1:hover {
    box-shadow: var(--shadow-lg), 0 0 30px rgba(255, 215, 0, 0.3);
}

.player-card.rank-2 {
    border-color: #c0c0c0;
}

.player-card.rank-3 {
    border-color: #cd7f32;
}

.player-rank {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.rank-badge {
    font-size: 1.5rem;
}

.rank-number {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.player-avatar-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
}

.player-avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 4px solid var(--border);
    background: var(--bg-secondary);
}

.player-level {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
}

.player-info {
    text-align: center;
}

.player-username {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.player-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xs);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-light);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== Auth Section ===== */
.auth-section {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    max-width: 500px;
    margin: 0 auto;
}

.auth-text {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.auth-help {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== About Section ===== */
.about {
    padding: var(--spacing-xl) 0;
}

.features-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

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

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

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

.footer-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--primary-light);
}

/* ===== Tablet (min-width: 768px) ===== */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-description {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .players-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .nav-link {
        font-size: 1rem;
    }
}

/* ===== Desktop (min-width: 1024px) ===== */
@media (min-width: 1024px) {
    .hero {
        padding: 5rem 0;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .top-players,
    .about {
        padding: 5rem 0;
    }

    .player-avatar-wrapper {
        width: 120px;
        height: 120px;
    }

    .player-card {
        padding: var(--spacing-lg);
    }
}

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

.player-card,
.feature {
    animation: fadeInUp 0.6s ease-out;
}

.player-card:nth-child(1) { animation-delay: 0.1s; }
.player-card:nth-child(2) { animation-delay: 0.2s; }
.player-card:nth-child(3) { animation-delay: 0.3s; }