:root {
    --bg-main: #060a11;
    --bg-card: #0b131e;
    --bg-card-hover: #111d2e;
    --primary: #004338;
    --primary-light: #006655;
    --text-main: #ffffff;
    --text-muted: #8b99af;
    --border: #1a273b;
    --font-family: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text-main);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.currency {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.btn-shop {
    background-color: var(--primary);
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.btn-shop:hover {
    background-color: var(--primary-light);
}

/* Hero */
.hero {
    max-width: 1000px;
    margin: 60px auto;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
}

.hero-image-only img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    display: block;
}

.live-inventory-badge {
    position: absolute;
    bottom: 15px;
    right: 35px;
    background: #091019;
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    z-index: 2;
}

.dot {
    width: 6px;
    height: 6px;
    background-color: var(--primary-light);
    border-radius: 50%;
}
.dot.blue {
    background-color: #3b82f6;
}

/* Stats */
.stats {
    max-width: 1000px;
    margin: 80px auto;
    text-align: center;
    padding: 0 20px;
}

.stats-text {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.stats-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 60px;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.btn-primary:hover { background-color: var(--primary-light); }

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--border);
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
}
.btn-secondary:hover { background-color: rgba(255,255,255,0.05); }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.stat-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Promises */
.promises {
    max-width: 1400px;
    margin: 100px auto;
    padding: 0 20px;
}

.subtitle {
    color: var(--primary-light);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 10px;
}

.promises-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.promises-header p {
    color: var(--text-muted);
    margin-bottom: 40px;
}

.promises-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.promise-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 30px 20px;
    border-radius: 12px;
}

.promise-card .icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 67, 56, 0.2);
    border: 1px solid rgba(0, 67, 56, 0.4);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    margin-bottom: 20px;
}

.promise-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.promise-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Catalog */
.catalog {
    max-width: 1400px;
    margin: 100px auto;
    padding: 0 20px;
}

.category-tabs {
    display: flex;
    gap: 10px;
    margin-top: 30px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 15px;
}

.tab-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.tab-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.tab-btn .count {
    background: rgba(255,255,255,0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.sub-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.sub-filter-btn {
    background: #0b131e;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.sub-filter-btn:hover {
    border-color: var(--primary-light);
    color: white;
}

.sub-filter-btn.active {
    background: rgba(0, 67, 56, 0.2);
    border-color: var(--primary);
    color: var(--primary-light);
    font-weight: 600;
}

.inventory-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    min-height: 200px;
    padding: 30px;
}

.loading-state {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 140px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.hidden {
    display: none !important;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.product-card {
    background: #111926;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.product-image {
    height: 140px;
    background: #0d1520;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 15px;
}

.product-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.product-stock {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}
.product-stock.out {
    color: #ef4444;
}

.product-price {
    color: var(--primary-light);
    font-weight: 700;
    font-size: 0.95rem;
}

.buy-btn {
    display: block;
    width: 100%;
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 6px;
    margin-top: 15px;
    cursor: pointer;
    font-weight: 600;
}
.buy-btn:hover { background: var(--primary-light); }
.buy-btn:disabled { background: #333; color: #888; cursor: not-allowed; }

/* CTA Section */
.cta-section {
    max-width: 1000px;
    margin: 100px auto;
    padding: 0 20px;
}

.cta-container {
    background: linear-gradient(135deg, #0b131e 0%, #060a11 100%);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
}

.cta-container h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta-container p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.cta-buttons .btn-secondary {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Custom Styles for Modal & Stock */
.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.8); align-items: center; justify-content: center; }
.modal.show { display: flex; }
.modal-content { background: linear-gradient(135deg, #0b131e 0%, #060a11 100%); border: 1px solid var(--border); padding: 40px; border-radius: 12px; text-align: center; position: relative; max-width: 500px; width: 90%; }
.close-modal { color: #8b99af; position: absolute; top: 15px; right: 20px; font-size: 28px; font-weight: bold; cursor: pointer; }
.close-modal:hover { color: white; }
.nfa-guarantee-list { list-style: none; margin-top: 10px; text-align: left; }
.nfa-guarantee-list li { margin-bottom: 6px; padding-left: 20px; position: relative; color: var(--text-muted); font-size: 0.75rem; line-height: 1.3; }
.nfa-guarantee-list li::before { content: '✓'; color: var(--primary); position: absolute; left: 0; top: 0; }
.stock-grid { display: flex; flex-direction: column; gap: 15px; max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.stock-row { background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 12px; padding: 15px 25px; display: flex; justify-content: space-between; align-items: center; }
.stock-title { font-weight: 600; display: flex; align-items: center; gap: 15px; }
.stock-title img { width: 40px; height: 40px; border-radius: 8px; }
.badge-working { background: rgba(0, 255, 128, 0.1); color: #00ff80; border: 1px solid rgba(0, 255, 128, 0.2); padding: 6px 12px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; }
.badge-out { background: rgba(255, 60, 60, 0.1); color: #ff3c3c; border: 1px solid rgba(255, 60, 60, 0.2); padding: 6px 12px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; }

footer {
    text-align: center;
    padding: 40px 0;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    margin-top: 60px;
}