:root {
    --primary-color: #1A2530;
    --accent-color: #B89474;
    --bg-light: #F4F4F6;
    --text-main: #2C3E50;
    --text-muted: #7F8C8D;
    --border-color: #E2E8F0;
    --white: #FFFFFF;
    --success-green: #25D366;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
header {
    background-color: var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    color: var(--white);
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 2px;
}

.logo a { color: inherit; text-decoration: none; }
.logo span { color: var(--accent-color); }

.nav-links {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-links a {
    color: #A0AEC0;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent-color);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 22px;
    height: 16px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 2001;
}

.menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--white);
    transition: all 0.3s ease;
}

/* ==========================================
   PREMIUM VISUAL SHOWROOM HERO
   ========================================== */
.hero-premium {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--white);
    padding: 140px 0 120px 0;
    text-align: center;
}

.hero-badge {
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--accent-color);
    font-weight: 700;
    display: inline-block;
    margin-bottom: 20px;
    border: 1px solid var(--accent-color);
    padding: 4px 12px;
    border-radius: 2px;
}

.hero-main-title {
    font-size: 46px;
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1.2;
    max-width: 850px;
    margin: 0 auto 20px auto;
}

.hero-sub-desc {
    color: #CBD5E0;
    font-size: 16px;
    max-width: 650px;
    margin: 0 auto 40px auto;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-primary-blueprint {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 14px 32px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 2px;
    transition: background 0.3s;
}

.btn-primary-blueprint:hover { background: #a38061; }

.btn-secondary-blueprint {
    border: 1px solid #A0AEC0;
    color: var(--white);
    padding: 14px 32px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all 0.3s;
}

.btn-secondary-blueprint:hover {
    background: var(--white);
    color: var(--primary-color);
}

/* Inner Page Standard Hero Header */
.hero-block {
    background: var(--primary-color);
    color: var(--white);
    padding: 50px 0;
    text-align: center;
    border-bottom: 3px solid var(--accent-color);
}

.hero-title { font-size: 24px; letter-spacing: 1.5px; margin-bottom: 5px; }
.hero-desc { color: var(--accent-color); font-size: 13px; }

/* Features Section */
.features-section {
    background: var(--white);
    padding: 45px 0;
    border-bottom: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card h3 {
    font-size: 15px;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.feature-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

.section-heading {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 30px;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-align: center;
}

/* ==========================================
   NEW VISUAL CARD SHOWROOM LOGIC
   ========================================== */
.premium-category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.showroom-card {
    height: 300px;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 40px;
    text-decoration: none;
    background-size: cover;
    background-position: center;
    background-color: var(--primary-color);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

/* Efek Border Dalam Saat Hover */
.showroom-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    border: 1px solid rgba(255,255,255,0);
    transition: all 0.4s ease;
    pointer-events: none;
    z-index: 3;
}

.showroom-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(26, 37, 48, 0.15);
}

.showroom-card:hover::after {
    border: 1px solid var(--accent-color);
    margin: 15px;
    width: calc(100% - 30px);
    height: calc(100% - 30px);
}

.showroom-info { z-index: 2; position: relative; }

.showroom-tag {
    font-size: 10px;
    color: var(--accent-color);
    font-weight: 700;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 6px;
}

.showroom-title {
    font-size: 24px;
    color: var(--white);
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.showroom-link {
    font-size: 12px;
    color: var(--white);
    opacity: 0.75;
    font-weight: 500;
    transition: all 0.3s;
}

.showroom-card:hover .showroom-link { color: var(--accent-color); opacity: 1; padding-left: 5px; }

/* Product Grid (Inner Page Items) */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.06);
}

.product-image {
    width: 100%;
    height: 210px;
    position: relative;
    background-size: cover;
    background-position: center;
}

.badge {
    position: absolute;
    top: 12px; left: 12px;
    background: var(--primary-color);
    color: var(--white);
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-left: 2px solid var(--accent-color);
}

.product-info { padding: 24px; display: flex; flex-direction: column; flex-grow: 1; }
.product-title { font-size: 15px; font-weight: 600; color: var(--primary-color); margin-bottom: 10px; flex-grow: 1; }
.product-price { font-size: 16px; color: var(--accent-color); font-weight: 700; margin-bottom: 15px; }

.btn-order {
    display: block;
    width: 100%;
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 12px;
    border: 1px solid var(--primary-color);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.btn-order:hover { background-color: transparent; color: var(--primary-color); }

/* Modal Checkout */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(26, 37, 48, 0.7);
    z-index: 2000;
    justify-content: center; align-items: center;
    padding: 20px;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--white);
    padding: 35px;
    border-radius: 4px;
    max-width: 460px;
    width: 100%;
    position: relative;
    border-top: 5px solid var(--accent-color);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

.close-modal { position: absolute; top: 15px; right: 20px; font-size: 24px; color: var(--text-muted); cursor: pointer; }
.modal-title { margin-bottom: 6px; font-size: 18px; font-weight: 700; color: var(--primary-color); }
.product-summary-text { font-weight: 600; color: var(--accent-color); margin-bottom: 20px; font-size: 13px; background: #F4F4F6; padding: 10px; border-left: 3px solid var(--accent-color); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 6px; }
.form-group input { width: 100%; padding: 12px; border: 1px solid var(--border-color); outline: none; border-radius: 2px; }
.btn-whatsapp { background-color: var(--success-green); border-color: var(--success-green); }
.btn-whatsapp:hover { color: var(--success-green); }

/* Footer */
footer {
    background: var(--primary-color);
    color: #718096;
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* ==========================================
   RESPONSIVE LAYOUT (MOBILE OPTIMIZATION)
   ========================================== */
@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 75%; max-width: 300px; height: 100vh;
        background-color: var(--primary-color);
        flex-direction: column;
        padding: 100px 30px; gap: 25px;
        transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        box-shadow: -10px 0 30px rgba(0,0,0,0.25);
        z-index: 2000;
    }
    
    .nav-links.active { right: 0; }
    .nav-links a { font-size: 15px; display: block; padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,0.04); }
    
    .hero-main-title { font-size: 28px; padding: 0 10px; }
    .hero-premium { padding: 90px 0 70px 0; }
    .features-grid { grid-template-columns: 1fr; gap: 25px; text-align: center; }
    
    .premium-category-grid { grid-template-columns: 1fr; gap: 20px; }
    .showroom-card { height: 220px; padding: 25px; }
    .showroom-title { font-size: 20px; }
    
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .product-image { height: 150px; }
    .product-info { padding: 15px; }
    .product-title { font-size: 13px; }
}

@media (max-width: 480px) {
    .product-grid { grid-template-columns: 1fr; }
    .product-image { height: 180px; }
}