/*
 * File CSS Utama Website Alumni - Tema Pendidikan
 * Dibuat untuk memberikan tampilan yang bersih, modern, dan profesional.
*/

/* Import Font dari Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Merriweather:wght@400;700&display=swap');

/* Variabel Warna Utama */
:root {
    --primary-color: #003366; /* Biru Tua */
    --secondary-color: #D4A017; /* Emas */
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --border-color: #dee2e6;
}

/* Reset dan Gaya Dasar */
body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    background-color: #ffffff;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Merriweather', serif;
    font-weight: 700;
    color: var(--primary-color);
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header & Navbar */
.main-header {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.main-nav a {
    color: var(--primary-color);
    font-weight: 600;
    padding: 10px 15px;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}
.main-nav a:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}
.nav-cta {
    background-color: var(--secondary-color) !important;
    color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 80px 0;
    text-align: center;
}
.hero-section h1 {
    font-size: 3rem;
    color: #ffffff;
}
.hero-section p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 20px auto 30px;
}

/* Tombol (Buttons) */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
}
.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}
.btn-primary:hover {
    background-color: #004080;
    transform: translateY(-3px);
}
.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--primary-color);
}
.btn-secondary:hover {
    background-color: #e6b422;
}

/* Card (Berita, Alumni, Forum) */
.card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}
.card-body {
    padding: 20px;
}
.card-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
}
.card-text {
    color: var(--text-light);
}

/* Formulir (Login, Register, Kontak) */
.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    margin-bottom: 15px;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.15);
}

/* Footer */
.main-footer {
    background-color: #002347; /* Biru lebih gelap */
    color: #e5e7eb;
    padding: 50px 0;
    margin-top: 50px;
}
.main-footer h4 {
    color: #ffffff;
    margin-bottom: 20px;
}
.main-footer a {
    color: #e5e7eb;
    text-decoration: none;
    transition: color 0.3s;
}
.main-footer a:hover {
    color: var(--secondary-color);
}