:root {
    --bg: #030712;
    --card-bg: rgba(17, 24, 39, 0.7);
    --border: rgba(255, 255, 255, 0.1);
    --accent: #38bdf8;
    --text-main: #f9fafb;
    --text-dim: #9ca3af;
}

* { box-sizing: border-box; }
body {
    background-color: var(--bg);
    color: var(--text-main);
    font-family: 'Inter', system-ui, sans-serif;
    margin: 0;
    line-height: 1.5;
    overflow-x: hidden;
}

/* Background Decoration */
.glow-bg {
    position: fixed;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 600px; height: 400px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
    z-index: -1;
    filter: blur(80px);
}

/* Navigation */
nav {
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    position: sticky; top: 0; z-index: 100;
}
.nav-content {
    max-width: 1100px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
}
.logo { font-weight: 800; letter-spacing: -1px; font-size: 1.2rem; }
.nav-links a { color: var(--text-dim); text-decoration: none; margin-left: 20px; transition: 0.2s; }
.nav-links a:hover { color: var(--accent); }

/* Hero */
header {
    text-align: center;
    padding: 100px 20px;
}
.badge {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid var(--accent);
}
h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin: 1rem 0; letter-spacing: -2px; }
.gradient-text {
    background: linear-gradient(90deg, #38bdf8, #818cf8);
    -webkit-text-fill-color: transparent;
}

/* Cards */
.container { max-width: 900px; margin: 0 auto; padding: 20px; }
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.card-media img, .video-wrapper iframe {
    width: 100%; display: block;
}
.video-wrapper { position: relative; padding-bottom: 56.25%; height: 0; }
.video-wrapper iframe { position: absolute; top: 0; left: 0; height: 100%; border: none; }

.card-info { padding: 2rem; }
.tags { margin: 1rem 0; display: flex; gap: 10px; flex-wrap: wrap; }
.tags span {
    background: rgba(255,255,255,0.05);
    padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; color: var(--text-dim);
}

.btn-github {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--text-main); color: var(--bg);
    padding: 10px 20px; border-radius: 8px; text-decoration: none;
    font-weight: 600; margin-top: 10px;
}