/* ==========================
   File: styles.css
   ========================== */

:root {
    --primary: #003366;
    --secondary: #cc9900;
    --accent: #005b9f;
    --light: #f4f7fb;
    --radius: 12px;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: var(--light);
}

header {
    background: linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55)), url('https://sice-si.org/SII2026/img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    padding: 90px 20px;
    text-align: center;
    color: white;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 15px;
}

.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin: 15px 0;
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--accent);
}

.footer {
    background: #001a33;
    color: white;
    text-align: center;
    padding: 25px;
}