:root {
    --bg-dark: #0a0a0e;
    --card-bg: #14141c;
    --ir-red: #ff2a2a;
    --ir-glow: 0 0 15px rgba(255, 42, 42, 0.5);
    --text-main: #ffffff;
    --text-muted: #888899;
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, sans-serif; }
body { background-color: var(--bg-dark); color: var(--text-main); }
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 1.2rem 5%; background-color: var(--card-bg); border-bottom: 2px solid var(--ir-red); box-shadow: var(--ir-glow); }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text-main); }
.logo-icon { width: 35px; height: 35px; filter: drop-shadow(0 0 5px var(--ir-red)); }
.logo h1 { font-size: 1.5rem; font-weight: 700; }
.logo span { color: var(--ir-red); text-shadow: var(--ir-glow); }
.nav-links { display: flex; list-style: none; gap: 20px; }
.nav-links a { color: var(--text-main); text-decoration: none; font-weight: 500; transition: 0.3s; }
.nav-links a:hover, .nav-links a.active { color: var(--ir-red); text-shadow: var(--ir-glow); }
.hero { text-align: center; padding: 4rem 2rem; }
.hero h2 { font-size: 2.5rem; margin-bottom: 1rem; color: var(--ir-red); text-shadow: var(--ir-glow); }
.container { max-width: 1200px; margin: 0 auto; padding: 2rem; display: flex; flex-direction: column; gap: 2rem; }
.ad-banner { width: 100%; min-height: 90px; background: transparent; display: flex; justify-content: center; align-items: center; margin: 10px 0; overflow: hidden; }
.crypto-ticker { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.coin-card { background: var(--card-bg); padding: 1.5rem; border-radius: 12px; border: 1px solid #333; transition: 0.3s; }
.coin-card:hover { transform: translateY(-5px); border-color: var(--ir-red); box-shadow: var(--ir-glow); }
.coin-name { font-size: 1.2rem; font-weight: bold; }
.coin-price { font-size: 1.6rem; color: var(--text-main); margin-top: 10px; }
.positive { color: #00ff88; font-weight: bold; margin-top: 5px; }
.negative { color: #ff2a2a; font-weight: bold; margin-top: 5px; }