/* --- 1. SETTING DASAR (MENGGUNAKAN FONT YANG LEBIH MEWAH) --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&family=Playfair+Display:wght@700&display=swap');

body {
    margin: 0;
    padding: 0;
    font-family: 'Montserrat', sans-serif; /* Font bersih untuk teks isi */
    color: #333;
    background-color: #ffffff;
    line-height: 1.8;
}

/* Menggunakan font elegan untuk Judul (h1, h2, h3) */
h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    color: #0a2540; /* Biru gelap profesional */
    margin-top: 0;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
}

/* Garis bawah dekoratif di bawah judul */
h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: #004a99; /* Ubah dari kuning ke biru laut */
    margin: 15px auto 0;
    border-radius: 2px;
}

/* Memposisikan judul section di tengah */
section h2 {
    text-align: center;
    width: 100%;
}


/* --- 2. DESAIN HEADER (SEKARANG JADI BACKGROUND GAMBAR PENUH) --- */
header {
    height: 100vh; /* Tinggi penuh layar */
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('header-bg.jpg'); /* Lapisan gelap transparan di atas gambar */
    background-size: cover; /* Gambar menutupi seluruh header */
    background-position: center; /* Tetap di tengah */
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center; /* Teks di tengah gambar */
    align-items: center;
    text-align: center;
    position: relative;
}

header h1 {
    font-size: 4rem;
    color: white;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5); /* Bayangan teks agar terbaca */
}

header p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}


/* --- 3. DESAIN MENU NAVIGASI (TRANSPARAN DI ATAS HEADER) --- */
nav {
    position: absolute;
    top: 0;
    width: 100%;
    padding: 20px 0;
    background: transparent;
    display: flex;
    justify-content: center; /* Menu di tengah atas */
    z-index: 1000;
}

/* --- UPDATE DESAIN TOMBOL NAVIGASI --- */
nav a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 8px 20px;
    border-radius: 50px;
    background: rgba(10, 37, 64, 0.6); /* Biru gelap transparan */
    backdrop-filter: blur(5px); /* Efek kaca kekinian */
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

nav a:hover {
    background: #004a99; /* Biru laut cerah saat dihover */
    color: white;
    transform: translateY(-2px);
}

/* --- UPDATE TOMBOL UTAMA (GET A QUOTE) --- */
header a.btn-main {
    display: inline-block;
    background: linear-gradient(135deg, #0a2540 0%, #004a99 100%); /* Gradasi biru samudra */
    color: white;
    padding: 16px 40px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(10, 37, 64, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

header a.btn-main:hover {
    background: linear-gradient(135deg, #004a99 0%, #0a2540 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 74, 153, 0.5);
}


/* --- 5. DESAIN UMUM SECTION --- */
section {
    padding: 100px 10%; /* Memberi nafas (jarak) atas, bawah, kiri, kanan */
    text-align: center;
}


/* --- 6. DESAIN SECTION "ABOUT US" --- */
#about {
    background-color: #f9f9f9; /* Background abu-abu sangat muda */
}

#about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}


/* --- 7. DESAIN SECTION "OUR PRODUCTS" (GAYA GRID KOTAK-KOTAK) --- */
.product-container {
    display: flex;
    justify-content: center;
    gap: 30px; /* Jarak antar kotak produk */
    flex-wrap: wrap; /* Agar responsif di HP */
    margin-top: 50px;
}

.product {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05); /* Bayangan tipis yang elegan */
    padding: 30px;
    width: 320px;
    text-align: left; /* Teks di dalam kotak rata kiri */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 5px solid #0a2540; /* Garis biru gelap di atas kotak */
}

.product:hover {
    transform: translateY(-10px); /* Efek melayang saat kursor di atasnya */
    box-shadow: 0 10px 30px rgba(0,0,0,0.1); /* Bayangan jadi lebih tebal */
}

.product h3 {
    color: #0a2540;
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.product p {
    margin: 10px 0;
    font-size: 0.95rem;
    color: #555;
}

.product strong {
    color: #333;
}


/* --- 8. DESAIN FOOTER --- */
footer {
    background-color: #0a2540; /* Biru gelap korporat */
    color: rgba(255,255,255,0.8); /* Teks putih transparan tipis */
    padding: 50px 10%;
    text-align: center;
}

footer p {
    margin: 10px 0;
    font-size: 0.9rem;
}

footer a {
    color: #ffcc00;
    text-decoration: none;
    font-weight: bold;
}
/* --- SECTION WHY CHOOSE US --- */
#why {
    background-color: #ffffff;
}

.why-container {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.why-item {
    background: #f8faff; /* Biru sangat muda agar kontras dengan biru tua */
    padding: 40px 25px;
    border-radius: 20px;
    width: 260px;
    transition: all 0.3s ease;
    border: 1px solid #e1e8f0;
    text-align: center;
}

.why-item:hover {
    background: #0a2540; /* Berubah jadi biru tua saat dihover */
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(10, 37, 64, 0.2);
}

/* Mengubah warna teks saat box dihover */
.why-item:hover h3, 
.why-item:hover p {
    color: #ffffff;
}

.why-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.why-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    transition: color 0.3s;
}

.why-item p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #666;
    transition: color 0.3s;
}
/* --- SECTION CONTACT --- */
#contact {
    background-color: #f4f7fa;
}

.contact-container {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
    text-align: left;
    max-width: 1100px;
    margin: 40px auto 0;
}

.contact-info, .contact-form {
    flex: 1;
    min-width: 300px;
}

/* Tombol WhatsApp */
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    background-color: #25D366; /* Hijau WhatsApp */
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    margin: 20px 0;
    transition: 0.3s;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: scale(1.02);
}

.contact-details p {
    margin: 10px 0;
    font-size: 0.95rem;
}

/* Desain Formulir */
.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input, .contact-form textarea {
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
}

.btn-submit {
    background: #0a2540;
    color: white;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.btn-submit:hover {
    background: #004a99;
}

/* Footer Bawah */
footer {
    background: #0a2540;
    color: white;
    padding: 30px;
    text-align: center;
    font-size: 0.85rem;
}