/* Language switching - show only current language */
.lang-ru { display: none; }
body[lang="ru"] .lang-en { display: none; }
body[lang="ru"] .lang-ru { display: inline; }

:root {
    --bg: #FAFBFC;
    --bg-card: #FFFFFF;
    --bg-elevated: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --accent: #2563EB;
    --accent-hover: #1D4ED8;
    --accent-bg: #EFF6FF;
    --border: #E2E8F0;
    --positive: #059669;
    --positive-bg: #D1FAE5;
    --negative: #DC2626;
    --negative-bg: #FEE2E2;
    --radius: 16px;
    --radius-sm: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 40px -10px rgba(0,0,0,0.08);
    --shadow-hover: 0 20px 50px -15px rgba(0,0,0,0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Header */
.header {
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

.logo a {
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: cover;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav a {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
}

.nav a:hover {
    color: var(--accent);
    background: var(--accent-bg);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.live-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--positive);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.lang-switcher {
    display: flex;
    gap: 4px;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 8px;
    transition: all 0.2s;
}

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

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

/* Hero */
.hero {
    padding: 80px 0 100px;
    background: linear-gradient(180deg, #F8FAFC 0%, var(--bg) 100%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 400px;
    background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    letter-spacing: -1.5px;
    line-height: 1.1;
    margin-bottom: 16px;
    color: #1a202c;
}

.hero-subtitle {
    font-size: 20px;
    color: #4a5568;
    margin-bottom: 56px;
    font-weight: 400;
}

.hero-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.hero-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius);
    padding: 28px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    color: var(--text-primary);
}

.hero-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}

.hero-card-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.hero-card-price {
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.hero-card-change {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 500;
    margin-top: 8px;
    padding: 4px 8px;
    border-radius: 6px;
    display: inline-block;
}

.hero-card-change.positive {
    color: var(--positive);
    background: var(--positive-bg);
}

.hero-card-change.negative {
    color: var(--negative);
    background: var(--negative-bg);
}

/* Ticker */
.ticker {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius);
    padding: 20px 24px;
    overflow-x: auto;
    margin-bottom: 56px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.ticker-row {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
}

.ticker-symbol { font-weight: 600; color: #1a202c; }
.ticker-price { color: #4a5568; }
.ticker-change { font-weight: 500; }
.ticker-change.positive { color: #059669; }
.ticker-change.negative { color: #dc2626; }

/* Market Table */
.section-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 24px;
}

.market-table {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.market-table table {
    width: 100%;
    border-collapse: collapse;
}

.market-table th {
    text-align: left;
    padding: 16px 24px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    background: var(--bg);
}

.market-table td {
    padding: 20px 24px;
    border-top: 1px solid var(--border);
    transition: background 0.2s;
}

.market-table tbody tr:hover {
    background: var(--accent-bg);
}

.market-table a {
    color: var(--text-primary);
}

.market-table a:hover {
    color: var(--accent);
}

.coin-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.coin-name { font-weight: 600; color: var(--text-primary); }
.coin-symbol { font-size: 13px; color: var(--text-muted); }

.price-cell {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

.change-cell {
    font-weight: 500;
}

.change-cell.positive { color: var(--positive); }
.change-cell.negative { color: var(--negative); }

/* Section Links */
.section-links {
    padding: 100px 0;
}

.section-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.section-link-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow);
}

.section-link-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: var(--shadow-hover);
}

.section-link-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.section-link-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.5;
}

/* Footer */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 20px;
}

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

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

.footer-links a {
    color: var(--text-secondary);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-muted);
}

/* Page content */
.page-content {
    padding: 64px 0 100px;
}

.content-block {
    max-width: 720px;
}

.content-block h1 {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 24px;
}

.content-block h2 {
    font-size: 24px;
    font-weight: 600;
    margin: 48px 0 16px;
}

.content-block p {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 16px;
}

.content-block ul, .content-block ol {
    margin: 16px 0 24px 24px;
}

.content-block li {
    margin-bottom: 10px;
}

.disclaimer {
    background: var(--accent-bg);
    border-radius: var(--radius-sm);
    padding: 24px;
    margin: 40px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

/* Calculator */
.calculator-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px;
    max-width: 560px;
    margin-bottom: 48px;
    box-shadow: var(--shadow-lg);
}

.calc-row {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.calc-input-group {
    flex: 1;
}

.calc-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calc-input {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 18px;
    transition: border-color 0.2s;
}

.calc-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.calc-select {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 16px;
    background: var(--bg-card);
    transition: border-color 0.2s;
}

.calc-select:focus {
    outline: none;
    border-color: var(--accent);
}

.swap-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    width: 44px;
    height: 44px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    transition: all 0.2s;
}

.swap-btn:hover {
    background: var(--accent-bg);
    border-color: var(--accent);
    color: var(--accent);
}

.rate-info {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 24px;
}

/* Wallets */
.wallets-table {
    width: 100%;
    border-collapse: collapse;
    margin: 40px 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.wallets-table th,
.wallets-table td {
    padding: 18px 24px;
    text-align: left;
    border: 1px solid var(--border);
}

.wallets-table th {
    background: var(--bg);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.wallets-table tr:hover td {
    background: var(--bg);
}

.wallet-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.wallet-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 20px;
}

.wallet-card p {
    margin-bottom: 12px;
}

.wallet-card ul {
    margin-left: 20px;
}

/* Burger */
.burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--text-primary);
}

.burger svg {
    display: block;
}

.swap-btn svg {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .nav { display: none; }
    .burger { display: block; }

    .hero {
        padding: 48px 0 64px;
    }

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

    .hero-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .hero-cards {
        grid-template-columns: 1fr;
    }

    .hero-card-price {
        font-size: 24px;
    }

    .section-links {
        padding: 64px 0;
    }

    .section-links-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .market-table {
        overflow-x: auto;
    }

    .market-table table {
        min-width: 600px;
    }

    .calc-row {
        flex-direction: column;
    }

    .calculator-block {
        padding: 32px;
    }

.content-block h1 {
    font-size: 32px;
}
}

/* Mixer page */
.mixer-grid {
    display: grid;
    gap: 24px;
}

.mixer-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: all 0.3s;
}

.mixer-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.mixer-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a202c;
}

.mixer-text {
    font-size: 15px;
    line-height: 1.6;
    color: #4a5568;
    margin-bottom: 20px;
}

.mixer-btn {
    display: inline-block;
    padding: 10px 20px;
    background: #2563eb;
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
    margin-right: 8px;
    margin-bottom: 8px;
}

.mixer-btn:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}