/* ===== RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #0b1220;
    color: #e5e7eb;
}

/* ===== HERO ===== */
.hero {
    padding: 70px 20px;
    text-align: center;
    background: radial-gradient(circle at top, #1e293b, #0b1220);
}

.hero-box h1 {
    font-size: 42px;
    color: #38bdf8;
}

.hero-box p {
    margin-top: 10px;
    color: #94a3b8;
}

.hero-actions {
    margin-top: 20px;
}

.btn {
    display: inline-block;
    padding: 10px 18px;
    background: #38bdf8;
    color: #000;
    text-decoration: none;
    border-radius: 8px;
    margin: 5px;
    font-weight: bold;
}

.btn.outline {
    background: transparent;
    border: 1px solid #38bdf8;
    color: #38bdf8;
}

/* ===== LAYOUT ===== */
.section {
    padding: 30px 20px;
    max-width: 1100px;
    margin: auto;
}

.section h2 {
    margin-bottom: 15px;
    color: #38bdf8;
}

/* ===== GRID ===== */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.cat-grid {
    grid-template-columns: repeat(4, 1fr);
}

/* ===== CARD ===== */
.card {
    background: #111827;
    padding: 18px;
    border-radius: 12px;
    border: 1px solid #1f2937;
    transition: 0.2s;
}

.card:hover {
    transform: translateY(-4px);
    border-color: #38bdf8;
}

.card h3 {
    margin-bottom: 8px;
}

.card p {
    color: #94a3b8;
}

/* FEATURED */
.featured {
    border-left: 4px solid #38bdf8;
}

/* SYSTEM */
.system ul {
    margin-top: 10px;
    color: #94a3b8;
    line-height: 1.8;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .cat-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero-box h1 {
        font-size: 28px;
    }
}
.site-header {
    background: #0f172a;
    border-bottom: 1px solid #1f2937;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1100px;
    margin: auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo a {
    color: #38bdf8;
    font-size: 20px;
    font-weight: bold;
    text-decoration: none;
}

.menu a {
    color: #e5e7eb;
    margin: 0 10px;
    text-decoration: none;
    font-size: 14px;
    transition: 0.2s;
}

.menu a:hover {
    color: #38bdf8;
}

.btn-small {
    background: #38bdf8;
    color: #000;
    padding: 6px 10px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 13px;
}

.main-content {
    min-height: 70vh;
}

/* FOOTER */
.site-footer {
    background: #0f172a;
    border-top: 1px solid #1f2937;
    margin-top: 40px;
}

.footer-container {
    max-width: 1100px;
    margin: auto;
    padding: 20px;
    text-align: center;
    color: #94a3b8;
}

.footer-sub {
    font-size: 12px;
    margin-top: 5px;
}