/* ========================= */
/* styles.css */
/* ========================= */
body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top, #0f172a, #020617);
    color: #e5e7eb;
}

header {
    text-align: center;
    padding: 40px 20px;
}

header img {
    max-width: 320px;
    filter: drop-shadow(0 0 15px #38bdf8);
}

nav {
    display: flex;
    justify-content: center;
    gap: 25px;
    background: rgba(2,6,23,0.8);
    backdrop-filter: blur(10px);
    padding: 15px;
    position: sticky;
    top: 0;
}

nav a {
    color: #38bdf8;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

nav a:hover {
    color: #22c55e;
}

.hero {
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 3.5rem;
    background: linear-gradient(90deg, #38bdf8, #22c55e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: #94a3b8;
    font-size: 1.2rem;
}

.btn {
    display: inline-block;
    margin-top: 25px;
    padding: 14px 30px;
    border-radius: 10px;
    background: linear-gradient(90deg, #0ea5e9, #22c55e);
    color: white;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 0 20px rgba(34,197,94,0.4);
    transition: 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(14,165,233,0.7);
}

.section {
    padding: 70px 20px;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.card {
    background: rgba(2,6,23,0.7);
    border: 1px solid rgba(56,189,248,0.2);
    border-radius: 16px;
    padding: 25px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 25px rgba(56,189,248,0.15);
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-5px) scale(1.02);
}

.status-online { color: #22c55e; }
.status-maint { color: #facc15; }

footer {
    text-align: center;
    padding: 25px;
    color: #64748b;
}