/* assets/css/tech.css */
:root {
    --bg: #050814;
    --bg2: #0a0e27;
    --card: rgba(16, 24, 56, 0.6);
    --border: rgba(59, 130, 246, 0.2);
    --primary: #3b82f6;
    --accent: #8b5cf6;
    --glow: rgba(59, 130, 246, 0.4);
    --text: #e2e8f0;
    --muted: #94a3b8;
    --success: #10b981;
    --danger: #ef4444;
}
* { margin:0; padding:0; box-sizing:border-box; }
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}
body::before {
    content: '';
    position: fixed;
    top:0; left:0; right:0; bottom:0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(59,130,246,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139,92,246,0.08) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
    pointer-events: none;
    z-index: -2;
}
.grid-bg {
    position: fixed;
    top:0; left:0; right:0; bottom:0;
    background-image:
        linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}
.navbar {
    display:flex; justify-content:space-between; align-items:center;
    padding: 0 50px; height: 70px;
    background: rgba(5,8,20,0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: fixed; width:100%; top:0; z-index:1000;
}
.logo {
    font-size: 22px; font-weight: 800; letter-spacing: 1px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px var(--glow);
}
.nav-links { display:flex; gap: 30px; align-items:center; }
.nav-links a {
    color: var(--muted); text-decoration:none; font-size: 14px;
    transition: all 0.3s; position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
    content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.3s;
}
.nav-links a:hover::after { width:100%; }
.btn {
    padding: 8px 22px; border-radius: 8px; text-decoration:none;
    font-size: 14px; font-weight: 500; cursor:pointer; border:none;
    transition: all 0.3s; display:inline-block;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff; box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59,130,246,0.5);
}
.btn-outline {
    border: 1px solid var(--primary); color: var(--primary); background: transparent;
}
.btn-outline:hover { background: rgba(59,130,246,0.1); }
.btn-danger { background: rgba(239,68,68,0.15); color: var(--danger); border:1px solid rgba(239,68,68,0.3); }
.btn-success { background: rgba(16,185,129,0.15); color: var(--success); border:1px solid rgba(16,185,129,0.3); }

.card {
    background: var(--card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s;
}
.card:hover {
    border-color: rgba(59,130,246,0.4);
    box-shadow: 0 8px 40px rgba(59,130,246,0.15);
}

.hero {
    text-align:center; padding: 160px 20px 100px;
    position: relative;
}
.hero h1 {
    font-size: 56px; font-weight: 800; margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, var(--primary) 50%, var(--accent) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    animation: fadeInUp 0.8s ease-out;
}
.hero p { color: var(--muted); font-size: 18px; max-width: 600px; margin: 0 auto 40px; animation: fadeInUp 1s ease-out; }

.glow-orb {
    position: absolute; width: 300px; height: 300px;
    background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
    border-radius: 50%; filter: blur(60px); pointer-events: none;
}
.orb-1 { top: 10%; left: 10%; }
.orb-2 { bottom: 20%; right: 10%; background: radial-gradient(circle, rgba(139,92,246,0.3) 0%, transparent 70%); }

.features {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px; padding: 0 50px 80px; max-width: 1200px; margin: 0 auto;
}
.feature-card { composes: card; text-align: left; }
.feature-card h3 { color: var(--primary); margin-bottom: 12px; font-size: 20px; }
.feature-card p { color: var(--muted); line-height: 1.7; }
.icon-box {
    width: 48px; height: 48px; border-radius: 12px;
    background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(139,92,246,0.2));
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; margin-bottom: 16px;
}

@keyframes fadeInUp {
    from { opacity:0; transform: translateY(30px); }
    to { opacity:1; transform: translateY(0); }
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(59,130,246,0.4); }
    50% { box-shadow: 0 0 0 15px rgba(59,130,246,0); }
}

.progress-track {
    background: rgba(255,255,255,0.05); height: 12px; border-radius: 6px; overflow: hidden;
}
.progress-fill {
    height: 100%; border-radius: 6px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.5s ease;
    position: relative;
}
.progress-fill::after {
    content:''; position: absolute; right:0; top:0; bottom:0; width: 20px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3));
}

input, select, textarea {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    color: var(--text); padding: 12px 16px; border-radius: 10px;
    width: 100%; font-size: 14px; outline: none; transition: all 0.3s;
}
input:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); }
::placeholder { color: var(--muted); }

.table-wrap { overflow-x: auto; }
table { width:100%; border-collapse: collapse; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid rgba(255,255,255,0.05); }
th { color: var(--muted); font-weight: 500; font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px; }
tr:hover td { background: rgba(59,130,246,0.03); }

.badge {
    display: inline-block; padding: 4px 12px; border-radius: 20px;
    font-size: 12px; font-weight: 600;
}
.badge-vip { background: linear-gradient(135deg, rgba(139,92,246,0.2), rgba(59,130,246,0.2)); color: var(--accent); border: 1px solid rgba(139,92,246,0.3); }
.badge-free { background: rgba(100,116,139,0.2); color: var(--muted); border: 1px solid rgba(100,116,139,0.3); }
.badge-frozen { background: rgba(239,68,68,0.15); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }

.alert {
    padding: 12px 16px; border-radius: 10px; margin-bottom: 16px;
    font-size: 14px; border: 1px solid transparent;
}
.alert-success { background: rgba(16,185,129,0.1); color: var(--success); border-color: rgba(16,185,129,0.2); }
.alert-error { background: rgba(239,68,68,0.1); color: var(--danger); border-color: rgba(239,68,68,0.2); }

.copy-btn { background: rgba(16,185,129,0.15); color: var(--success); border: 1px solid rgba(16,185,129,0.3); }
.copy-btn:hover { background: rgba(16,185,129,0.25); }

@media (max-width: 768px) {
    .navbar { padding: 0 20px; }
    .hero h1 { font-size: 36px; }
    .features { padding: 0 20px 40px; grid-template-columns: 1fr; }
}