/* ==========================================================================
   CREATIVE PREMIUM METALLIC & COPPER DESIGN SYSTEM (DARK THEME)
   ========================================================================== */
:root {
    --primary-dark: #161920;      /* Dark obsidian metal background */
    --card-slate: #1F2430;        /* Deep steel-blue card base */
    --accent-copper: #C48B71;     /* Shimmering Rose Gold/Copper from logo */
    --accent-hover: #A36F56;      /* Rich polished copper hover */
    --text-pure: #FFFFFF;
    --text-muted: #94A3B8;
    --body-bg: #0F1115;           /* Luxury dark mode aesthetic */
    
    /* Advanced Glassmorphism & Shadow Properties */
    --glass-surface: rgba(31, 36, 48, 0.65);
    --glass-border: rgba(196, 139, 113, 0.15);
    --glow-effect: 0 0 25px rgba(196, 139, 113, 0.15);
    --smooth-transit: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--text-pure);
    color: #E2E8F0;
    overflow-x: hidden;
}

.container {
    width: 92%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 100px 0;
}

/* SECTION HEADINGS WITH COPPER UNDERLINES */
.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    text-align: center;
    letter-spacing: -0.5px;
    margin-bottom: 50px;
    background: linear-gradient(180deg, var(--text-pure) 40%, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-copper);
    margin: 15px auto 0 auto;
    border-radius: 2px;
}

/* CREATIVE BUTTONS */
.btn-premium {
    background: linear-gradient(135deg, var(--accent-copper), var(--accent-hover));
    color: var(--primary-dark);
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    box-shadow: var(--glow-effect);
    transition: var(--smooth-transit);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-premium:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(196, 139, 113, 0.35);
    color: var(--text-pure);
}

/* ==========================================================================
   FLOATING GLASS NAVIGATION BAR
   ========================================================================== */
header {
    position: fixed;
    top: 20px;
    left: 0;
    right: 0;
    width: 92%;
    max-width: 1300px;
    margin: 0 auto;
    background: var(--text-pure);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    padding: 5px 35px;
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo img {
    height: 80px;
    transition: var(--smooth-transit);
}
.logo img:hover {
    transform: scale(1.05);
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 35px;
}
.nav-links a {
    color: var(--card-slate);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.25rem;
    transition: var(--smooth-transit);
}
.nav-links a:hover, .nav-links .active {
    color: var(--accent-copper);
}

.nav-wa-btn {
    background: #25D366;
    color: #FFF !important;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600 !important;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}
.nav-wa-btn:hover {
    background: #1ebd54;
    transform: translateY(-2px);
}

/* ==========================================================================
   ASYNCHRONOUS CREATIVE HOME HERO
   ========================================================================== */
.hero-creative {
    min-height: 100vh;
    padding-top: 160px;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(196, 139, 113, 0.08), transparent 45%);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}
.hero-tagline {
    color: var(--accent-copper);
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 15px;
    display: block;
}
.hero-creative h1 {
    font-size: 4.2rem;
    line-height: 1.1;
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #FFFFFF, #94A3B8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-creative p {
    color: var(--text-muted);
    font-size: 1.15rem;
    margin-bottom: 40px;
    max-width: 580px;
}

/* SPLIT BANNER IMAGE FRAME */
.hero-visual-frame {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glow-effect);
}
.hero-visual-frame img {
    width: 100%;
    display: block;
    transform: scale(1.02);
    transition: var(--smooth-transit);
}
.hero-visual-frame:hover img {
    transform: scale(1.08);
}

/* ==========================================================================
   INTERACTIVE PRODUCT GRID SYSTEM
   ========================================================================== */
.product-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}
.creative-product-card {
    background: var(--card-slate);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: var(--smooth-transit);
}
.creative-product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(196, 139, 113, 0.15), transparent);
    opacity: 0;
    transition: var(--smooth-transit);
    z-index: 1;
}
.creative-product-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--glass-border);
    box-shadow: var(--glow-effect);
}
.creative-product-card:hover::before {
    opacity: 1;
}

.card-img-wrap {
    width: 100%;
    height: 240px;
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    z-index: 2;
}
.card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--smooth-transit);
}
.creative-product-card:hover .card-img-wrap img {
    transform: scale(1.1);
}

.card-info {
    margin-top: 20px;
    position: relative;
    z-index: 2;
}
.card-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-pure);
    margin-bottom: 12px;
}
.card-action-link {
    color: var(--accent-copper);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.card-action-link span {
    transition: var(--smooth-transit);
}
.creative-product-card:hover .card-action-link span {
    transform: translateX(5px);
}

/* ==========================================================================
   DYNAMIC SPECIFICATIONS SHEET LAYOUT
   ========================================================================== */
.specs-glass-panel {
    background: var(--glass-surface);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 45px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    margin-top: 40px;
}
.spec-grid-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5px;
}
.spec-luxury-row {
    display: grid;
    grid-template-columns: 280px 1fr;
    padding: 22px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    align-items: center;
}
.spec-luxury-row:last-child {
    border-bottom: none;
}
.spec-luxury-row .label {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    color: var(--accent-copper);
}
.spec-luxury-row .val {
    color: #E2E8F0;
    font-size: 1.05rem;
    line-height: 1.5;
}

/* ==========================================================================
   CREATIVE RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-creative h1 {
        font-size: 3.2rem;
    }
    .hero-creative p {
        margin: 0 auto 30px auto;
    }
    .hero-visual-frame {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    header {
        padding: 10px 20px;
        border-radius: 30px;
    }
    .nav-links {
        display: none;
    }
    .section-title {
        font-size: 2.2rem;
    }
    .spec-luxury-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .specs-glass-panel {
        padding: 25px;
    }
}