/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg-dark: #0e0e0e;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;
    --chrome: #B8C0CC;
    --chrome-light: #D4DCE8;
    --chrome-glow: rgba(184, 192, 204, 0.25);
    --wood: #C49A6C;
    --wood-light: #D4A574;
    --red-lelit: #E31E24;
    --white: #FAF5EF;
    --white-muted: #A3A3A3;
    --text-dim: #737373;
    --border: rgba(255, 255, 255, 0.08);
    --font-heading: 'Cormorant', Georgia, serif;
    --font-body: 'Montserrat', 'Segoe UI', sans-serif;
}

html { 
    scroll-behavior: smooth; 
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(184, 192, 204, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(227, 30, 36, 0.04) 0%, transparent 50%),
        linear-gradient(180deg, #0e0e0e 0%, #141414 50%, #0e0e0e 100%);
    z-index: 0;
}

.hero > * { position: relative; z-index: 1; }
.hero-logo { width: 80px; margin-bottom: 1.5rem; opacity: 0.9; }

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    border: 1px solid var(--chrome);
    border-radius: 50px;
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--chrome);
    margin-bottom: 2rem;
    font-weight: 500;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 6vw, 4.5rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.hero h1 .highlight { color: var(--chrome-light); font-style: italic; }

.hero-subtitle {
    font-size: clamp(0.95rem, 2vw, 1.15rem);
    color: var(--white-muted);
    max-width: 580px;
    margin: 0 auto 2.5rem;
    font-weight: 300;
    line-height: 1.7;
}

.hero-subtitle strong { color: var(--chrome-light); font-weight: 600; }

/* ===== COUNTDOWN ===== */
.countdown { display: flex; gap: 1rem; justify-content: center; margin-bottom: 2.5rem; }

.countdown-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.2rem;
    min-width: 80px;
    backdrop-filter: blur(10px);
}

.countdown-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    display: block;
}

.countdown-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-dim);
    margin-top: 0.3rem;
    display: block;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--chrome) 0%, var(--chrome-light) 100%);
    color: #0e0e0e;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: 60px;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.3s;
    box-shadow: 0 4px 30px var(--chrome-glow);
}

.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 40px var(--chrome-glow); }
.hero-cta svg { width: 16px; height: 16px; }

/* ===== EVENT ENDED ===== */
.event-ended-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.event-ended-overlay.show { display: flex; }
.event-ended-content h2 { font-family: var(--font-heading); font-size: 2.5rem; margin-bottom: 1rem; }
.event-ended-content p { color: var(--white-muted); margin-bottom: 2rem; }

/* ===== SECTIONS COMMON ===== */
section { padding: 5rem 1.5rem; max-width: 1100px; margin: 0 auto; }

.section-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--chrome);
    margin-bottom: 0.8rem;
    text-align: center;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-desc {
    text-align: center;
    color: var(--white-muted);
    max-width: 650px;
    margin: 0 auto 3rem;
    font-size: 0.95rem;
    line-height: 1.7;
    font-weight: 300;
}

/* ===== SCROLL ANIMATION ===== */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease-out, transform 0.7s ease-out; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== PRODUCT SHOWCASE ===== */
.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: stretch;
}

.product-gallery, .product-info {
    min-width: 0;
}

.product-gallery {
    display: flex;
    flex-direction: column;
}

.product-gallery img { width: 100%; border-radius: 12px; }
#main-product-img { aspect-ratio: 4 / 3; object-fit: cover; }
#main-product-img.contain-view { object-fit: contain; background: var(--bg-card); }

.gallery-thumbs-wrapper {
    display: none;
}

.gallery-cta-btn {
    margin-top: auto;
}

.gallery-thumbs {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    width: max-content;
}

.thumb {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.5;
    transition: all 0.3s;
}

.thumb.active, .thumb:hover { border-color: var(--chrome); opacity: 1; }

.price-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.price-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 3px; color: var(--text-dim); margin-bottom: 0.5rem; }

.price-today {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--chrome-light);
    line-height: 1.2;
}

.price-final { font-size: 0.85rem; color: var(--text-dim); margin-top: 0.5rem; }
.price-final span { text-decoration: line-through; color: var(--white-muted); }

.price-save {
    display: inline-block;
    margin-top: 0.8rem;
    padding: 0.3rem 1rem;
    background: rgba(184, 192, 204, 0.1);
    border: 1px solid rgba(184, 192, 204, 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--chrome-light);
    font-weight: 600;
}

.product-highlights {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-highlights li {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--white-muted);
    line-height: 1.5;
}

.product-highlights li strong { color: var(--white); }

.delivery-note {
    background: rgba(196, 154, 108, 0.1);
    border: 1px solid rgba(196, 154, 108, 0.2);
    border-radius: 10px;
    padding: 0.8rem 1.2rem;
    font-size: 0.85rem;
    color: var(--wood-light);
    margin-bottom: 0;
}

.cta-btn {
    display: block;
    text-align: center;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--chrome) 0%, var(--chrome-light) 100%);
    color: #0e0e0e;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: 60px;
    transition: transform 0.2s, box-shadow 0.3s;
    box-shadow: 0 4px 20px var(--chrome-glow);
}

.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--chrome-glow); }

/* ===== PRICE TIMELINE ===== */
.timeline { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; margin-top: 2rem; }

.timeline-point { text-align: center; flex: 0 0 auto; position: relative; }

.tl-label { font-size: 0.75rem; color: var(--text-dim); margin-bottom: 0.5rem; font-weight: 500; }

.tl-price {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white-muted);
    margin-bottom: 0.8rem;
}

.tl-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--text-dim);
    margin: 0 auto;
}

.timeline-point.active .tl-price { color: var(--chrome-light); font-size: 1.6rem; }
.timeline-point.active .tl-dot { background: var(--chrome-light); border-color: var(--chrome-light); box-shadow: 0 0 20px var(--chrome-glow); }
.timeline-point.final .tl-price { color: var(--red-lelit); }
.timeline-point.final .tl-dot { border-color: var(--red-lelit); }

.timeline-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--chrome) 0%, var(--text-dim) 100%);
    min-width: 40px;
    margin: 1.5rem 0.5rem 0;
}

/* ===== HERITAGE ===== */
.heritage-timeline { max-width: 700px; margin: 0 auto; position: relative; padding-left: 3rem; }

.heritage-timeline::before {
    content: '';
    position: absolute;
    left: 0.8rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--chrome) 0%, var(--wood) 50%, var(--red-lelit) 100%);
}

.heritage-item { position: relative; margin-bottom: 3rem; }

.heritage-year {
    position: absolute;
    left: -3rem;
    top: 0;
    width: 1.6rem;
    height: 1.6rem;
    background: var(--bg-dark);
    border: 2px solid var(--chrome);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
}

.heritage-year::after {
    content: attr(class);
    display: none;
}

.heritage-content h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.heritage-content p { color: var(--white-muted); font-size: 0.9rem; line-height: 1.7; }

.heritage-item .heritage-year {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--chrome);
    width: auto;
    height: auto;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    left: -3.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--chrome);
    white-space: nowrap;
}

/* ===== FOODEX EVENT ===== */
.foodex-section { max-width: 800px; }

.foodex-card {
    background: linear-gradient(135deg, rgba(196, 154, 108, 0.08) 0%, rgba(184, 192, 204, 0.05) 100%);
    border: 1px solid rgba(196, 154, 108, 0.25);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.foodex-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(196, 154, 108, 0.06) 0%, transparent 70%);
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

.foodex-badge {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: var(--wood);
    color: #0e0e0e;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    position: relative;
}

.foodex-card h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 1rem;
    position: relative;
}

.foodex-date, .foodex-location {
    font-size: 1rem;
    color: var(--wood-light);
    font-weight: 500;
    position: relative;
}

.foodex-desc { color: var(--white-muted); font-size: 0.9rem; margin-top: 1rem; position: relative; line-height: 1.7; }

.foodex-link {
    display: inline-block;
    margin-top: 1.5rem;
    color: var(--wood-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    position: relative;
    transition: color 0.3s;
}

.foodex-link:hover { color: var(--white); }

/* ===== FEATURES GRID ===== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    transition: border-color 0.3s, transform 0.3s;
}

.feature-card:hover { border-color: rgba(184, 192, 204, 0.2); transform: translateY(-4px); }

.feature-icon { font-size: 2rem; margin-bottom: 1rem; display: block; }

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--white);
}

.feature-card p { color: var(--white-muted); font-size: 0.85rem; line-height: 1.7; }

/* ===== LIMITED EDITION BENTO GRID ===== */
.limited-bento { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    grid-auto-rows: 280px;
    gap: 1.5rem; 
}

.bento-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    transition: transform 0.3s, border-color 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.bento-item:hover { 
    border-color: rgba(196, 154, 108, 0.4); 
    transform: translateY(-4px); 
}

.bento-wide { grid-column: span 2; }
.bento-tall { grid-row: span 2; }
.bento-large { grid-column: span 2; grid-row: span 2; }


.bento-content {
    padding: 1.8rem;
    position: relative;
    z-index: 2;
}

.bento-solid .bento-content { padding: 2rem; }

.limited-icon { font-size: 2.2rem; display: block; margin-bottom: 1rem; }

.bento-item h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--wood-light);
}

.bento-item p { color: var(--white-muted); font-size: 0.9rem; line-height: 1.6; }

/* ===== PRICE COMPARISON ===== */
.price-comparison { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.comp-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    position: relative;
    transition: border-color 0.3s;
}

.comp-card.best { border-color: var(--chrome); background: linear-gradient(180deg, rgba(184,192,204,0.08) 0%, var(--bg-card) 100%); }

.comp-best-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.3rem 1rem;
    background: linear-gradient(135deg, var(--chrome), var(--chrome-light));
    color: #0e0e0e;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 50px;
    text-transform: uppercase;
    white-space: nowrap;
}

.comp-flag { font-size: 2.5rem; margin-bottom: 0.5rem; }
.comp-region { font-size: 0.85rem; color: var(--white-muted); margin-bottom: 0.8rem; font-weight: 500; }

.comp-price {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.3rem;
}

.comp-vnd { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 0.5rem; }
.comp-highlight { color: var(--chrome-light) !important; font-weight: 600; }
.comp-note { font-size: 0.75rem; color: var(--text-dim); }


/* ===== VIDEO ===== */
.video-section { max-width: 900px; }

.video-wrap {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.video-wrap iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }

/* ===== SPECS TABLE ===== */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    max-width: 700px;
    margin: 0 auto;
}

.specs-table td {
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.specs-table td:first-child { color: var(--white-muted); font-weight: 500; width: 35%; }
.specs-table td:last-child { color: var(--white); }

/* ===== CTA SECTION ===== */
.cta-section { text-align: center; padding: 5rem 1.5rem; }

.contact-options { display: flex; gap: 1.5rem; justify-content: center; margin-top: 2rem; flex-wrap: wrap; }

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2.5rem;
    border-radius: 60px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.2s, box-shadow 0.3s;
}

.contact-btn svg { width: 20px; height: 20px; }
.contact-btn.phone { background: var(--chrome); color: #0e0e0e; box-shadow: 0 4px 20px var(--chrome-glow); }
.contact-btn.phone:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--chrome-glow); }
.contact-btn.zalo { background: #0068FF; color: white; box-shadow: 0 4px 20px rgba(0, 104, 255, 0.3); }
.contact-btn.zalo:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 104, 255, 0.4); }

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 3rem 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.85rem;
}

.footer-logo { height: 50px; width: auto; margin-bottom: 1rem; }
.footer-link-gold { color: var(--chrome); text-decoration: none; }
.footer-link-muted { color: var(--white-muted); text-decoration: underline; text-underline-offset: 3px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .product-showcase { grid-template-columns: 1fr; }
    
    .gallery-cta-btn {
        margin-top: 1rem;
    }
    
    .features-grid { grid-template-columns: 1fr; }
    .limited-bento { grid-template-columns: 1fr; grid-template-rows: auto; }
    .bento-large, .bento-wide, .bento-tall { grid-column: span 1; grid-row: span 1; min-height: 250px; }
    .bento-item { grid-column: span 1; grid-row: span 1; min-height: 250px; }
    .price-comparison { grid-template-columns: 1fr; }
    .countdown { gap: 0.5rem; }
    .countdown-item { padding: 0.7rem 0.8rem; min-width: 65px; }
    .countdown-number { font-size: 1.8rem; }
    .timeline { flex-direction: column; gap: 1rem; }
    .timeline-line { width: 2px; height: 30px; min-width: 2px; margin: 0; }
    .heritage-timeline { padding-left: 4rem; }
    .heritage-item .heritage-year { left: -4.2rem; }
}