/* css/style.css */

/* Import font Poppins dari Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

/* Variabel CSS untuk Warna - Inspirasi dari One UI/Argon */
:root {
    --primary-dark: #2c3e50;    /* Biru Gelap - Header, Footer, Text Penting */
    --secondary-blue: #3498db;  /* Biru Terang - Aksen, Hover Link, Tombol */
    --accent-green: #2ecc71;    /* Hijau Emerald - Tombol Sukses, Highlight */
    --background-light: #f5f7fa; /* Abu-abu Sangat Terang - Background Halaman */
    --card-background: #ffffff; /* Putih - Background Card, Form */
    --text-dark: #333;          /* Hitam Keabu-abuan - Teks Umum */
    --text-light: #ecf0f1;      /* Putih Keabu-abuan - Teks di Background Gelap */
    --error-red: #e74c3c;       /* Merah - Pesan Error */
    --success-green: #27ae60;   /* Hijau Gelap - Pesan Sukses */
    --border-light: #e0e6ed;    /* Abu-abu Terang - Border Input, Separator */
    --shadow-light: rgba(0, 0, 0, 0.08); /* Shadow Halus */
    --shadow-medium: rgba(0, 0, 0, 0.15); /* Shadow Sedang untuk Hover */
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column; /* Membuat footer selalu di bawah */
    -webkit-font-smoothing: antialiased; /* Untuk teks lebih halus */
    -moz-osx-font-smoothing: grayscale; /* Untuk teks lebih halus */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header (Top Navigation) */
.header {
    background-color: var(--primary-dark);
    color: var(--text-light);
    padding: 15px 0;
    box-shadow: 0 2px 10px var(--shadow-light); /* Shadow lebih terlihat */
    position: sticky; /* Membuat header tetap di atas saat scroll */
    top: 0;
    z-index: 1000; /* Pastikan header di atas elemen lain */
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--text-light);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: color 0.3s ease;
}
.logo:hover {
    color: var(--secondary-blue);
}

.logo img {
    height: 32px; /* Ukuran logo */
    margin-right: 10px;
    border-radius: 4px; /* Sedikit rounded untuk logo */
}

.nav-menu {
    display: none; /* Defaultnya tersembunyi di mobile */
}

.nav-menu ul {
    list-style: none;
    display: flex;
}

.nav-menu ul li {
    margin-left: 35px; /* Spasi antar menu lebih besar */
}

.nav-menu ul li a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 0; /* Padding vertikal lebih besar */
    position: relative;
    transition: color 0.3s ease;
}

.nav-menu ul li a:hover {
    color: var(--secondary-blue);
}

.nav-menu ul li a.active {
    color: var(--secondary-blue);
    border-bottom: 3px solid var(--secondary-blue); /* Garis bawah lebih tebal */
    padding-bottom: 5px; /* Menyesuaikan padding setelah border */
}

/* Hamburger Menu for Mobile */
.hamburger-menu {
    display: block; /* Tampilkan di mobile */
    font-size: 1.8em;
    cursor: pointer;
    color: var(--text-light);
    transition: color 0.3s ease;
}
.hamburger-menu:hover {
    color: var(--secondary-blue);
}

.mobile-nav {
    display: none; /* Defaultnya tersembunyi */
    position: absolute;
    top: 100%; /* Posisikan tepat di bawah header */
    left: 0;
    width: 100%;
    background-color: var(--primary-dark);
    box-shadow: 0 2px 8px var(--shadow-light);
    z-index: 999;
}

.mobile-nav ul {
    list-style: none;
    padding: 10px 0;
}

.mobile-nav ul li a {
    display: block;
    padding: 12px 20px; /* Padding lebih besar untuk area sentuh */
    color: var(--text-light);
    text-decoration: none;
    font-weight: 400;
    transition: background-color 0.3s ease;
}

.mobile-nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.mobile-nav ul li a.active {
    background-color: var(--secondary-blue);
    font-weight: 600;
}


/* Main Content */
.main-content {
    flex-grow: 1; /* Membuat konten mengisi ruang yang tersedia */
    padding: 40px 0;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('../img/hero-background.jpg') no-repeat center center/cover;
    color: var(--text-light);
    text-align: center;
    padding: 100px 20px; /* Padding lebih besar */
    margin-bottom: 50px;
    border-radius: 12px; /* Lebih rounded */
    box-shadow: 0 8px 20px var(--shadow-light); /* Shadow lebih kuat */
}

.hero h1 {
    font-size: 3.5em; /* Ukuran font lebih besar */
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3); /* Sedikit text shadow */
}

.hero p {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px; /* Lebar teks lebih besar */
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* Heading for content sections */
h2 {
    font-size: 2.2em;
    font-weight: 700;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 40px;
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--accent-green);
    color: var(--text-light);
    padding: 14px 30px; /* Padding lebih besar */
    text-decoration: none;
    border-radius: 8px; /* Lebih rounded */
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1.1em;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1); /* Shadow pada tombol */
}

.btn:hover {
    background-color: var(--success-green);
    transform: translateY(-3px); /* Efek melayang */
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: var(--secondary-blue);
}

.btn-secondary:hover {
    background-color: #2980b9; /* Biru lebih gelap saat hover */
}

/* Card Grid Layout */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* Responsif */
    gap: 30px; /* Jarak antar card */
    margin-bottom: 50px;
}

.card {
    background-color: var(--card-background);
    border-radius: 12px; /* Lebih rounded */
    box-shadow: 0 6px 15px var(--shadow-light); /* Shadow untuk card */
    padding: 30px; /* Padding lebih besar */
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%; /* Memastikan tinggi card sama di grid */
}

.card:hover {
    transform: translateY(-7px); /* Efek melayang lebih tinggi */
    box-shadow: 0 10px 25px var(--shadow-medium); /* Shadow lebih kuat */
}

.card h3 {
    color: var(--primary-dark);
    margin-bottom: 12px;
    font-size: 1.5em; /* Ukuran font lebih besar */
    font-weight: 700;
}

.card p {
    color: #555;
    font-size: 1em;
    margin-bottom: 20px;
}

/* Form Styling */
.form-container {
    background-color: var(--card-background);
    padding: 40px 50px; /* Padding lebih besar */
    border-radius: 12px; /* Lebih rounded */
    box-shadow: 0 8px 20px var(--shadow-light);
    max-width: 750px; /* Lebar maksimum lebih besar */
    margin: 50px auto;
}

.form-container h2 {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 20px;
}
.form-container p {
    font-size: 1.1em;
    text-align: center;
    margin-bottom: 30px;
    color: #666;
}

.form-group {
    margin-bottom: 25px; /* Jarak antar grup form */
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 1.05em;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px; /* Padding lebih besar untuk input */
    border: 1px solid var(--border-light);
    border-radius: 8px; /* Lebih rounded */
    font-size: 1em;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.25); /* Focus ring lebih jelas */
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.radio-group, .checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px; /* Jarak antar radio/checkbox */
    margin-top: 10px;
    align-items: center;
}

.radio-group label, .checkbox-group label {
    font-weight: 400;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-bottom: 0;
    font-size: 1em;
}

.radio-group input[type="radio"],
.checkbox-group input[type="checkbox"] {
    margin-right: 10px;
    transform: scale(1.2); /* Sedikit lebih besar */
    accent-color: var(--secondary-blue); /* Warna default untuk checkbox/radio */
}

.error-message {
    color: var(--error-red);
    font-size: 0.9em;
    margin-top: 8px;
    display: none;
    font-weight: 500;
}

/* PHP Output Messages (Success/Error) */
.message {
    padding: 18px; /* Padding lebih besar */
    border-radius: 8px;
    margin-bottom: 25px;
    font-weight: 500;
    text-align: left;
    display: flex;
    align-items: center;
}

.message strong {
    margin-right: 8px;
}

.message.error {
    background-color: #ffebee; /* Light red */
    color: var(--error-red);
    border: 1px solid #ef9a9a; /* Darker red border */
}

.message.success {
    background-color: #e8f5e9; /* Light green */
    color: var(--success-green);
    border: 1px solid #a5d6a7; /* Darker green border */
}

/* Result Display (for proses_daftar.php) */
.result-display {
    background-color: var(--card-background);
    padding: 40px 50px;
    border-radius: 12px;
    box-shadow: 0 8px 20px var(--shadow-light);
    max-width: 750px;
    margin: 50px auto;
    text-align: center;
}

.result-display h2 {
    font-size: 2.8em;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 30px;
}

.result-display h3 {
    color: var(--primary-dark);
    margin-top: 30px;
    margin-bottom: 20px;
    font-weight: 600;
    font-size: 1.8em;
}

.result-display p {
    font-size: 1.05em;
    color: #555;
    line-height: 1.8;
    margin-bottom: 8px;
}

.result-display p strong {
    color: var(--primary-dark);
    display: inline-block;
    width: 180px; /* Menyelaraskan teks di ringkasan */
    text-align: right;
    margin-right: 15px;
    font-weight: 600;
}

/* About Page Specific */
.about-section {
    background-color: var(--card-background);
    padding: 40px 50px;
    border-radius: 12px;
    box-shadow: 0 8px 20px var(--shadow-light);
    max-width: 900px;
    margin: 50px auto;
}

.about-section h2 {
    font-size: 2.8em;
    font-weight: 700;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 30px;
}

.about-section h3 {
    color: var(--primary-dark);
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 600;
    font-size: 1.8em;
}

.about-section p {
    font-size: 1.05em;
    line-height: 1.8;
    text-align: justify;
    color: #444;
    margin-bottom: 15px;
}

.about-section ul {
    list-style: disc;
    margin-left: 40px;
    padding-left: 0;
    color: #444;
    font-size: 1.05em;
    line-height: 1.8;
}

.about-section ul li {
    margin-bottom: 10px;
}

/* Footer */
.footer {
    background-color: var(--primary-dark);
    color: var(--text-light);
    padding: 40px 0 20px; /* Padding lebih besar */
    margin-top: 60px; /* Jarak dari konten utama */
    box-shadow: 0 -4px 10px var(--shadow-light);
    text-align: center;
}

.footer .container {
    display: flex;
    flex-wrap: wrap; /* Agar bisa wrap di mobile */
    justify-content: space-between;
    gap: 30px; /* Jarak antar kolom footer */
    text-align: left;
    margin-bottom: 30px;
}

.footer-section {
    flex: 1 1 220px; /* Fleksibel, minimal lebar 220px */
    min-width: 200px;
    padding: 0 10px;
}

.footer-section h4 {
    font-size: 1.3em;
    font-weight: 600;
    margin-bottom: 18px;
    color: var(--secondary-blue);
}

.footer-section p, .footer-section ul {
    font-size: 0.95em;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85); /* Warna teks lebih lembut */
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--secondary-blue);
}

.footer-section .social-links {
    margin-top: 20px;
}

.footer-section .social-links a {
    color: var(--text-light);
    font-size: 1.6em; /* Ukuran ikon lebih besar */
    margin-right: 20px;
    transition: color 0.3s ease, transform 0.2s ease;
}

.footer-section .social-links a:hover {
    color: var(--secondary-blue);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15); /* Garis pemisah */
    padding-top: 25px;
    font-size: 0.88em;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 992px) { /* Tablet dan mobile yang lebih besar */
    .nav-menu {
        display: none; /* Sembunyikan desktop nav */
    }
    .hamburger-menu {
        display: block; /* Tampilkan hamburger */
    }
    .header .container {
        padding: 0 15px; /* Padding lebih kecil di mobile */
    }
    .hero {
        padding: 80px 15px;
        margin-bottom: 40px;
    }
    .hero h1 {
        font-size: 2.8em;
    }
    .hero p {
        font-size: 1.1em;
    }
    h2 {
        font-size: 2em;
        margin-bottom: 30px;
    }
    .btn {
        padding: 12px 25px;
        font-size: 1em;
    }
    .form-container, .result-display, .about-section {
        padding: 30px 25px;
        margin: 40px auto;
    }
    .form-container h2, .about-section h2 {
        font-size: 2em;
    }
    .form-group label {
        font-size: 1em;
    }
}

@media (min-width: 993px) { /* Desktop */
    .nav-menu {
        display: flex; /* Tampilkan desktop nav */
    }
    .hamburger-menu {
        display: none; /* Sembunyikan hamburger */
    }
    .mobile-nav {
        display: none !important; /* Pastikan mobile nav tersembunyi */
    }
}

@media (max-width: 768px) { /* Mobile */
    .hero h1 {
        font-size: 2.2em;
    }
    .hero p {
        font-size: 1em;
    }
    h2 {
        font-size: 1.8em;
    }
    .card-grid {
        grid-template-columns: 1fr; /* Satu kolom di mobile */
        gap: 25px;
    }
    .card {
        padding: 25px;
    }
    .form-container, .result-display, .about-section {
        padding: 25px 20px;
        margin: 25px auto;
    }
    .form-container h2, .about-section h2, .result-display h2 {
        font-size: 1.8em;
    }
    .result-display p strong {
        display: block; /* Strong di baris baru */
        text-align: left;
        margin-bottom: 5px;
    }
    .footer .container {
        flex-direction: column; /* Kolom footer menjadi tumpuk */
        text-align: center;
        gap: 25px;
        margin-bottom: 25px;
    }
    .footer-section {
        min-width: unset;
        width: 100%;
        padding: 0;
    }
    .footer-section h4 {
        margin-bottom: 12px;
    }
    .footer-section .social-links a {
        margin: 0 10px; /* Spasi antar ikon */
    }
    .footer-bottom {
        padding-top: 20px;
    }
}