/* --- GLOBAL (OMNILUX STYLE) --- */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', Helvetica, sans-serif; }
body { background-color: #ffffff; color: #111111; line-height: 1.6; -webkit-font-smoothing: antialiased; }

/* --- ANNOUNCEMENT & HEADER --- */
.announcement-bar { background-color: #f7f7f7; color: #000; text-align: center; padding: 12px 0; font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; border-bottom: 1px solid #eaeaea; }
.main-header { position: sticky; top: 0; background-color: rgba(255, 255, 255, 0.98); z-index: 1000; border-bottom: 1px solid #eaeaea; transition: all 0.3s ease; }
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 18px 40px; max-width: 1400px; margin: 0 auto; }
.nav-left, .nav-right { flex: 1; display: flex; gap: 30px; }
.nav-right { justify-content: flex-end; }
.nav-left a, .nav-right a { text-decoration: none; color: #111; font-size: 13px; font-weight: 500; letter-spacing: 0.5px; text-transform: uppercase;}
.nav-left a:hover, .nav-right a:hover { color: #888; }
.nav-center.logo { flex: 1; text-align: center; font-size: 26px; font-weight: 500; letter-spacing: 4px; }

/* --- BUTTONS --- */
.btn { display: inline-block; padding: 14px 36px; text-decoration: none; font-size: 13px; font-weight: 600; text-align: center; cursor: pointer; transition: all 0.3s; border: none; text-transform: uppercase; letter-spacing: 1px; }
.btn-primary { background-color: #000; color: #fff; width: 100%; max-width: 300px; }
.btn-primary:hover { background-color: #333; }
.btn-outline { background-color: transparent; border: 1px solid #000; color: #000; }
.btn-outline:hover { background-color: #000; color: #fff; }

/* --- HERO SECTION --- */
.hero-section { height: 85vh; background-color: #fcfcfc; display: flex; align-items: center; padding: 60px 8%; background-size: cover; background-position: center; position: relative; }
.hero-section::before { content: none; }
.hero-content { max-width: 550px; color: #111; position: relative; z-index: 2; }
.hero-content h1 { font-size: 52px; font-weight: 400; line-height: 1.1; margin-bottom: 20px; letter-spacing: -1px; }
.hero-content p { font-size: 18px; margin-bottom: 35px; color: #444; font-weight: 300; }

/* --- LOGOS --- */
.press-logos { text-align: center; padding: 50px 20px; border-bottom: 1px solid #eaeaea; background: #fff; }
.press-logos p { font-size: 10px; color: #888; letter-spacing: 3px; margin-bottom: 25px; text-transform: uppercase; }
.logos-container { display: flex; justify-content: center; gap: 80px; font-size: 20px; font-weight: bold; color: #bbb; flex-wrap: wrap; }

/* --- PRODUCTS GRID --- */
.products-section { padding: 90px 40px; max-width: 1400px; margin: 0 auto; }
.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 50px; }
.section-header h2 { font-size: 34px; font-weight: 400; letter-spacing: -0.5px; }
.shop-all-link { color: #000; font-size: 13px; font-weight: 500; text-transform: uppercase; text-decoration: none; border-bottom: 1px solid #000; padding-bottom: 2px;}
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.product-card { display: flex; flex-direction: column; text-align: center; }
.product-card a { text-decoration: none; color: inherit; }
.image-wrapper { background-color: #f7f7f7; margin-bottom: 20px; overflow: hidden; position: relative; aspect-ratio: 4/5; display: flex; align-items: center; justify-content: center; }
.product-real-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.image-wrapper:hover .product-real-img { transform: scale(1.03); }
.product-info h3 { font-size: 16px; font-weight: 500; margin-bottom: 8px; letter-spacing: 0.5px; }
.reviews { font-size: 12px; color: #111; margin-bottom: 10px; }
.price { font-size: 15px; margin-bottom: 25px; color: #555; }
.btn-cart { background-color: #fff; color: #000; border: 1px solid #000; width: 100%; padding: 14px; margin-top: auto; font-size: 13px; text-transform: uppercase; font-weight: 600; cursor: pointer; transition: all 0.3s; }
.btn-cart:hover { background-color: #000; color: #fff; }

/* --- CONCERN & SPLIT SECTION --- */
.concern-section { padding: 90px 40px; max-width: 1400px; margin: 0 auto; text-align: center; }
.concern-section h2 { font-size: 34px; font-weight: 400; margin-bottom: 50px; }
.concern-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.concern-card { text-align: center; }
.concern-card img { transition: opacity 0.3s; }
.concern-card:hover img { opacity: 0.9; }
.concern-card h3 { font-size: 18px; font-weight: 500; margin-bottom: 12px; color: #111; }
.concern-link { font-size: 13px; font-weight: 500; color: #555; text-decoration: none; text-transform: uppercase; border-bottom: 1px solid #ccc; padding-bottom: 2px; }
.split-section { display: flex; background-color: #fcfcfc; border-top: 1px solid #eaeaea; }
.split-image, .split-content { flex: 1; }
.split-content { padding: 100px 10%; display: flex; flex-direction: column; justify-content: center; }
.split-content h2 { font-size: 38px; font-weight: 400; margin-bottom: 25px; letter-spacing: -1px; }
.split-content p { color: #555; margin-bottom: 35px; font-size: 16px; font-weight: 300; }
.benefits-list { list-style: none; margin-bottom: 45px; }
.benefits-list li { padding: 15px 0; border-bottom: 1px solid #eaeaea; color: #111; font-weight: 400; font-size: 15px; }

/* --- REVIEWS & AUDIENCE --- */
.reviews-section { padding: 100px 40px; background-color: #fff; text-align: center; max-width: 1400px; margin: 0 auto; }
.reviews-section h2 { font-size: 34px; font-weight: 400; margin-bottom: 60px; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.review-card { background-color: #fff; padding: 40px 30px; text-align: left; border-top: 2px solid #111; }
.review-card .stars { color: #000; font-size: 14px; margin-bottom: 20px; letter-spacing: 3px; }
.review-card .review-text { font-size: 16px; color: #333; margin-bottom: 25px; line-height: 1.6; font-weight: 300; }
.review-card .review-author { font-weight: 500; font-size: 13px; color: #111; text-transform: uppercase; }
.target-audience-section { padding: 90px 40px; background-color: #f9f9f9; text-align: center; border-top: 1px solid #eaeaea;}
.audience-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; max-width: 1400px; margin: 0 auto; margin-top: 50px;}
.audience-card { background-color: transparent; padding: 20px; display: flex; flex-direction: column; align-items: center; }
.audience-card i { font-size: 28px; color: #111; margin-bottom: 20px; font-weight: 300;}
.audience-card p { font-size: 15px; color: #444; font-weight: 400; }

/* --- FOOTER --- */
.site-footer { background-color: #fcfcfc; color: #111; padding: 80px 40px 30px; border-top: 1px solid #eaeaea; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 50px; max-width: 1400px; margin: 0 auto; margin-bottom: 60px; }
.footer-col h4 { font-size: 12px; margin-bottom: 25px; letter-spacing: 1px; text-transform: uppercase; color: #888; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 15px; }
.footer-col a, .footer-col li { color: #111; text-decoration: none; font-size: 14px; transition: color 0.3s; font-weight: 400;}
.footer-col a:hover { color: #888; }
.newsletter p { color: #555; font-size: 14px; margin-bottom: 20px; line-height: 1.6; }
.subscribe-form { display: flex; border-bottom: 1px solid #111; padding-bottom: 10px; }
.subscribe-form input { background: transparent; border: none; color: #111; flex: 1; outline: none; font-size: 14px; }
.subscribe-form button { background: transparent; border: none; color: #111; cursor: pointer; font-size: 18px; }
.footer-bottom { display: flex; flex-direction: column; align-items: center; gap: 25px; border-top: 1px solid #eaeaea; padding-top: 40px; text-align: center; }
.footer-policies { display: flex; flex-wrap: wrap; justify-content: center; gap: 30px; }
.footer-policies a { color: #555; text-decoration: none; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px;}
.payment-methods { display: flex; gap: 15px; }
.payment-methods i { font-size: 24px; color: #111; }
.copyright { color: #888; font-size: 12px; }

/* --- PRODUCT PAGE --- */
.product-main-section { padding: 60px 5%; max-width: 1400px; margin: 0 auto; }
.product-container { display: flex; gap: 80px; align-items: flex-start; }
.product-gallery { flex: 1; width: 100%; max-width: 650px;}
.product-info-details { flex: 1; padding-top: 20px;}
.product-info-details h1 { font-size: 38px; font-weight: 400; margin-bottom: 15px; letter-spacing: -0.5px;}
.product-info-details .reviews { font-size: 13px; margin-bottom: 25px; letter-spacing: 2px;}
.product-info-details .price { font-size: 22px; font-weight: 500; margin-bottom: 35px; }
.product-info-details .description { color: #444; font-size: 16px; line-height: 1.8; margin-bottom: 40px; font-weight: 300;}
.product-benefits { list-style: none; margin-bottom: 40px; border-top: 1px solid #eaeaea; padding-top: 20px;}
.product-benefits li { margin-bottom: 15px; color: #111; font-size: 14px; display: flex; align-items: center;}
.product-benefits i { color: #111; margin-right: 15px; font-size: 12px;}
.add-to-cart-large { background-color: #000; color: #fff; width: 100%; padding: 18px; font-size: 14px; font-weight: 600; border: none; cursor: pointer; text-transform: uppercase; letter-spacing: 1px; transition: background 0.3s; }
.add-to-cart-large:hover { background-color: #333; }

/* --- SLIDER --- */
.slider-container { position: relative; width: 100%; overflow: hidden; background-color: #f9f9f9; aspect-ratio: 4/5; display: flex; align-items: center; justify-content: center;}
.slider-container img.product-main-img { width: 100%; height: 100%; object-fit: cover; }
.slider-btn { position: absolute; top: 50%; transform: translateY(-50%); background-color: #fff; color: #000; border: 1px solid #eaeaea; width: 45px; height: 45px; border-radius: 50%; cursor: pointer; font-size: 14px; display: flex; align-items: center; justify-content: center; transition: all 0.3s; z-index: 10;}
.slider-btn:hover { background-color: #000; color: #fff; }
.prev-btn { left: 20px; }
.next-btn { right: 20px; }
.thumbnail-container { display: flex; gap: 15px; margin-top: 20px; flex-wrap: wrap; }
.thumb-slide { width: 80px; height: 80px; object-fit: cover; cursor: pointer; opacity: 0.4; border: 1px solid #eaeaea; transition: all 0.3s ease; }
.thumb-slide:hover { opacity: 0.8; }
.thumb-slide.active { opacity: 1; border-color: #000; }

/* --- RESPONSIVE LAYOUT HELPERS (used by index.html sections, cart, admin) --- */
img { max-width: 100%; height: auto; }
* { min-width: 0; }

.hero-flex { display: flex; align-items: center; justify-content: space-between; padding: 50px 10%; gap: 40px; flex-wrap: wrap; }
.hero-flex .hero-text { flex: 1 1 340px; min-width: 280px; }
.hero-flex .hero-image { flex: 1 1 340px; min-width: 280px; }

.trust-badges-row { display: flex; justify-content: center; gap: 50px; flex-wrap: wrap; row-gap: 15px; }

.features-row { display: flex; gap: 30px; flex-wrap: wrap; }
.features-row > div { flex: 1 1 240px; }

.tech-details-row { display: flex; align-items: center; padding: 50px 10%; background: #fafafa; gap: 40px; flex-wrap: wrap; }
.tech-details-row > div { flex: 1 1 320px; }

#product-list.product-grid-index { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }

.table-responsive { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-responsive table { min-width: 480px; }

/* --- RESPONSIVE: TABLET (≤1024px) --- */
@media (max-width: 1024px) {
    .navbar { padding: 16px 24px; }
    .product-grid, #product-list.product-grid-index, .concern-grid, .reviews-grid { grid-template-columns: repeat(2, 1fr); gap: 25px; }
    .audience-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 35px; }
    .hero-content h1, .hero-flex h1 { font-size: 40px; }
    .product-container { gap: 45px; }
    .hero-flex, .features-row, .tech-details-row { padding: 45px 6%; }
}

/* --- RESPONSIVE: MOBILE (≤768px) --- */
@media (max-width: 768px) {
    .navbar { flex-direction: column; padding: 15px 20px; gap: 15px; }
    .nav-left, .nav-right { justify-content: center; width: 100%; gap: 20px; flex-wrap: wrap; }
    .hero-section { padding: 80px 20px; text-align: center; align-items: center; justify-content: center; }
    .hero-section::before { content: none; }
    .hero-content h1 { font-size: 36px; }
    .product-grid, .concern-grid, .reviews-grid, .audience-grid, .footer-grid, #product-list.product-grid-index { grid-template-columns: 1fr; gap: 30px; }
    .split-section { flex-direction: column; }
    .split-content { padding: 50px 20px; text-align: center; }
    .benefits-list li { text-align: left; }
    .product-container { flex-direction: column; gap: 40px; }

    .hero-flex { flex-direction: column; padding: 40px 6%; text-align: center; }
    .hero-flex h1 { font-size: 32px; }
    .features-row, .tech-details-row { flex-direction: column; padding: 40px 6%; text-align: center; }
    .features-row { text-align: center; }

    .product-main-section { padding: 40px 5%; }
    .product-info-details h1 { font-size: 28px; }
    .policy-section { padding: 50px 15px; }
    table th, table td { padding: 10px; font-size: 13px; }
}

/* --- RESPONSIVE: SMALL MOBILE (≤480px) --- */
@media (max-width: 480px) {
    .hero-content h1, .hero-flex h1 { font-size: 26px; }
    .hero-content p, .hero-flex p { font-size: 15px; }
    .nav-left a, .nav-right a { font-size: 11px; letter-spacing: 0.3px; }
    .nav-center.logo { font-size: 20px; letter-spacing: 2px; }
    .btn, .btn-primary, .add-to-cart-large, .btn-cart { padding: 12px 18px; font-size: 12px; }
    .policy-container h1 { font-size: 22px; }
    .policy-container h2 { font-size: 15px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-policies { gap: 15px 20px; }
    .thumb-slide { width: 60px; height: 60px; }
    .slider-btn { width: 36px; height: 36px; font-size: 12px; }
}

/* --- POLITIQUES --- */
.policy-section { background-color: #fff; padding: 80px 20px; min-height: 70vh; }
.policy-container { max-width: 700px; margin: 0 auto; background-color: #fff; padding: 40px 0; }
.policy-container h1 { font-size: 32px; font-weight: 400; margin-bottom: 10px; color: #000; text-align: center; letter-spacing: -0.5px; }
.policy-container > p:first-of-type { text-align: center; color: #888; font-size: 13px; margin-bottom: 50px; border-bottom: 1px solid #eaeaea; padding-bottom: 25px; text-transform: uppercase; letter-spacing: 1px; }
.policy-container h2 { font-size: 18px; font-weight: 500; color: #000; margin-top: 45px; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.5px;}
.policy-container p, .policy-container ul li { font-size: 15px; line-height: 1.8; color: #444; font-weight: 300;}