/* ==========================================================================
   1. RESET & VARIABEL DASAR
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    scroll-behavior: smooth;
}

:root {
    --biru-utama: #1A5276;
    --oranye-utama: #E67E22;
    --abu-latar: #f8f9fa;
    --teks-gelap: #2c3e50;
    --teks-terang: #7f8c8d;
}

body {
    background-color: #ffffff;
    color: var(--teks-gelap);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* ==========================================================================
   2. HEADER & NAVIGASI
   ========================================================================== */
.header-utama {
    background-color: #ffffff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 999;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links li a {
    text-decoration: none;
    color: var(--biru-utama);
    font-weight: 600;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-links li a:hover {
    color: var(--oranye-utama);
}

/* ==========================================================================
   3. PENGATURAN TOMBOL (BUTTONS)
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--oranye-utama);
    color: white;
}

.btn-primary:hover {
    background-color: #d35400;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
    margin-left: 10px;
}

.btn-secondary:hover {
    background-color: white;
    color: var(--biru-utama);
    transform: translateY(-2px);
}

.btn-light {
    background-color: white;
    color: var(--biru-utama);
}

.btn-light:hover {
    background-color: #f1f1f1;
    transform: scale(1.05);
}

.btn-link {
    color: var(--oranye-utama);
    text-decoration: none;
    font-weight: 600;
}

/* ==========================================================================
   4. HERO SECTION (BANNER UTAMA)
   ========================================================================== */
.hero-section {
    background: linear-gradient(rgba(26, 82, 118, 0.85), rgba(26, 82, 118, 0.95)), url('../images/banner-bg.jpg') no-repeat center center/cover;
    background-color: var(--biru-utama);
    height: 80vh;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* ==========================================================================
   5. TENTANG PERUSAHAAN & FOUNDER (GLOBAL GRID)
   ========================================================================== */
.tentang-section {
    padding: 80px 0;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.sub-title {
    color: var(--oranye-utama);
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 14px;
    display: block;
    margin-bottom: 10px;
}

.tentang-teks h2 {
    font-size: 2.5rem;
    color: var(--biru-utama);
    margin-bottom: 20px;
}

.tentang-teks p {
    color: var(--teks-terang);
    margin-bottom: 25px;
    font-size: 16px;
}

.tentang-visual {
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.watermark-logo {
    max-width: 70%;
    opacity: 0.15;
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* Bagian Founder */
.founder-section {
    background-color: var(--biru-utama);
    color: white;
    padding: 80px 0;
}
.founder-section .sub-title { color: #f1c40f; }
.founder-section h2 { color: white; margin-bottom: 20px; font-size: 2.2rem; }
.founder-section p { color: rgba(255,255,255,0.8); }
.founder-img {
    width: 100%;
    max-width: 350px;
    border-radius: 20px;
    box-shadow: 10px 10px 0px var(--oranye-utama);
}

/* ==========================================================================
   6. LAYANAN SECTION
   ========================================================================== */
.layanan-section {
    background-color: var(--abu-latar);
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 50px auto;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--biru-utama);
    margin-bottom: 15px;
}

.layanan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.layanan-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
    border-bottom: 4px solid transparent;
}

.layanan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
    border-bottom: 4px solid var(--oranye-utama);
}

.icon-box {
    font-size: 40px;
    margin-bottom: 20px;
}

.layanan-card h3 {
    font-size: 22px;
    color: var(--biru-utama);
    margin-bottom: 15px;
}

.layanan-card p {
    color: var(--teks-terang);
    font-size: 15px;
}

/* ==========================================================================
   7. GALERI SECTION
   ========================================================================== */
.galeri-section { 
    padding: 80px 0; 
    background-color: white; 
}

.galeri-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.galeri-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.galeri-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.galeri-overlay {
    position: absolute;
    bottom: -100%;
    left: 0;
    width: 100%;
    background: linear-gradient(transparent, rgba(26, 82, 118, 0.9));
    color: white;
    padding: 20px;
    transition: bottom 0.3s ease;
}

.galeri-item:hover img { transform: scale(1.1); }
.galeri-item:hover .galeri-overlay { bottom: 0; }

/* ==========================================================================
   8. BERITA & ARTIKEL SECTION
   ========================================================================== */
.berita-section { 
    padding: 80px 0; 
    background-color: var(--abu-latar); 
}

.berita-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.berita-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.berita-img { 
    width: 100%; 
    height: 200px; 
    object-fit: cover; 
}

.berita-content { 
    padding: 25px; 
}

.berita-content .tanggal {
    color: var(--oranye-utama);
    font-size: 13px;
    font-weight: bold;
    display: block;
    margin-bottom: 10px;
}

.berita-content h3 { 
    color: var(--biru-utama); 
    margin-bottom: 15px; 
    font-size: 1.2rem; 
}

.berita-content p { 
    color: var(--teks-terang); 
    font-size: 14px; 
    margin-bottom: 15px; 
}

/* ==========================================================================
   9. CTA SEWA (CALL TO ACTION)
   ========================================================================== */
.cta-sewa-section {
    padding: 60px 0;
    background-color: white;
}

.cta-box {
    background: linear-gradient(135deg, var(--biru-utama), #2471A3);
    padding: 50px;
    border-radius: 20px;
    color: white;
    text-align: center;
    box-shadow: 0 15px 40px rgba(26, 82, 118, 0.2);
}

.cta-box h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.cta-box p {
    margin-bottom: 30px;
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   10. FOOTER (UPDATED MULTI-COLUMN)
   ========================================================================== */
.footer-utama {
    background-color: #11364f;
    color: rgba(255,255,255,0.8);
    padding: 70px 0 0 0;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background-color: var(--oranye-utama);
}

.footer-col p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: var(--oranye-utama);
}

.footer-bottom {
    background-color: #0a2436; 
    text-align: center;
    padding: 25px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    margin: 0;
    font-size: 0.95rem;
}

/* ==========================================================================
   11. RESPONSIVE MOBILE (HP & TABLET)
   ========================================================================== */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--biru-utama);
    transition: all 0.3s ease;
}

@media screen and (max-width: 768px) {
    /* Navigasi Mobile */
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 80px;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 40px 30px;
        box-shadow: -5px 0 25px rgba(0,0,0,0.1);
        transition: right 0.3s ease;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 15px 0;
        width: 100%;
    }

    /* Penyesuaian Ukuran untuk Layar Kecil */
    .hero-content h1 {
        font-size: 2rem;
    }

    .grid-2 {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .watermark-logo {
        max-width: 40%;
    }

    /* Penyesuaian Tombol */
    .btn-secondary {
        margin-left: 0;
        margin-top: 15px;
        border: 2px solid var(--biru-utama);
        color: var(--biru-utama);
    }
    
    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
}