/* 
 * ESTÉTICA AURA LUXURY BOUTIQUE (DARK MODE ABSOLUTO)
 */

:root {
    --color-bg: #07080B; 
    --color-surface: #0a0a0a; 
    --color-text: #E9E6DF; 
    --color-text-muted: rgba(233,230,223,0.7); 
    --color-border: rgba(233,230,223,0.10); 
    --color-accent: #E5C158; /* Metallic Gold sutil */
    
    --font-heading: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", Inter, Roboto, Arial, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", Inter, Roboto, Arial, sans-serif;
    --font-data: ui-monospace, "SF Mono", SFMono-Regular, "Roboto Mono", "DejaVu Sans Mono", Menlo, Consolas, monospace;

    --space-sm: 2rem;
    --space-md: 4rem;
    --space-lg: 8rem;
    --space-xl: 12rem;
    --max-width: 1400px;
}

*, *::before, *::after { box-sizing: border-box; }

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }
.lenis.lenis-smooth iframe { pointer-events: none; }

body {
    margin: 0; padding: 0; font-family: var(--font-body); font-weight: 300;
    background-color: var(--color-bg); color: var(--color-text); line-height: 1.6;
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3 { 
    font-family: var(--font-heading); 
    font-weight: 300; 
    margin-top: 0; 
    color: var(--color-text); 
}

a { color: inherit; text-decoration: none; }
button { font-family: var(--font-body); cursor: pointer; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-sm); }

/* Header Premium */
.site-header {
    padding: 1.5rem 0;
    background-color: rgba(3, 3, 3, 0.85); 
    backdrop-filter: blur(30px) saturate(180%); -webkit-backdrop-filter: blur(30px) saturate(180%);
    position: fixed; top: 0; left: 0; width: 100%; z-index: 100; 
    border-bottom: 1px solid rgba(255,255,255,0.03);
}
.site-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { 
    font-family: var(--font-heading); font-weight: 300; font-size: 1.35rem; letter-spacing: 0.22em; color: #FFF; 
    text-decoration: none; text-transform: uppercase;
}

.main-nav { display: flex; gap: 3rem; }
.main-nav a { 
    font-size: 0.75rem; color: var(--color-text-muted); 
    text-transform: uppercase; letter-spacing: 0.1em; transition: color 0.4s ease; 
}
.main-nav a:hover { color: var(--color-text); }

.cart-toggle {
    background: none; border: 1px solid var(--color-border); font-size: 0.75rem; 
    padding: 0.6rem 1.5rem; text-transform: uppercase; letter-spacing: 0.1em;
    border-radius: 0; color: #FFF; transition: all 0.4s ease;
}
.cart-toggle:hover { background-color: #FFF; color: #000; }

.audio-toggle {
    background: transparent;
    border: 1px solid var(--color-border);
    font-family: var(--font-data);
    font-size: 0.65rem;
    padding: 0.5rem 1rem;
    color: var(--color-text-muted);
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: all 0.3s ease;
}
.audio-toggle:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}
.audio-toggle.playing {
    border-color: var(--color-accent);
    color: var(--color-accent);
    box-shadow: 0 0 10px rgba(229, 193, 88, 0.25);
}

/* Hero */
.hero { padding: calc(var(--space-xl) + 80px) 0 var(--space-lg); text-align: center; }
.hero h1 { 
    font-size: clamp(3rem, 10vw, 8rem); 
    line-height: 1; margin-bottom: 2rem; 
    font-weight: 300; font-style: italic; letter-spacing: -0.02em;
}
.hero p { 
    font-family: var(--font-body); font-size: 0.9rem; font-weight: 300; 
    color: var(--color-text-muted); max-width: 500px; margin: 0 auto; 
    text-transform: uppercase; letter-spacing: 0.15em; line-height: 2; 
}

/* Catálogo Aura Style */
.catalog-section { padding-bottom: var(--space-xl); background-color: var(--color-bg); }
.catalog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); margin-top: 2rem; }

.product-card { background: var(--color-bg); border-radius: 0; padding: 0; display: flex; flex-direction: column; text-align: left; position: relative; cursor: pointer; transition: background 0.4s ease; }
.product-card:hover { background: #0c0e12; }

.product-image-wrapper { width: 100%; aspect-ratio: 1/1; overflow: hidden; position: relative; background: #040507; margin-bottom: 0; }

.real-product-img { 
    width: 100%; height: 100%; object-fit: cover; display: block; 
    transition: transform 2s cubic-bezier(0.16, 1, 0.3, 1), filter 0.8s ease; 
    filter: brightness(0.8) contrast(1.05); 
}
.product-card:hover .real-product-img { 
    transform: scale(1.05); filter: brightness(1.1) contrast(1.1); 
}

.media-badge {
    position: absolute; top: 12px; right: 12px;
    background: rgba(4, 5, 7, 0.85); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #E5C158; font-family: var(--font-data); font-size: 0.55rem;
    letter-spacing: 0.15em; padding: 4px 8px; text-transform: uppercase;
    z-index: 5; pointer-events: none;
}

.product-info { padding: 1.5rem; z-index: 2; display: flex; flex-direction: column; align-items: flex-start; flex-grow: 1; justify-content: flex-end; }
.product-info h2 { font-size: 1.1rem; font-weight: 400; margin-bottom: 0.5rem; font-family: var(--font-heading); color: var(--color-text); letter-spacing: -0.02em; }
.product-info p.desc { font-family: var(--font-data); font-size: 0.65rem; color: var(--color-text-muted); margin: 0 0 1rem 0; letter-spacing: 0.1em; text-transform: uppercase; }
.product-info p.price {  
    font-size: 0.95rem; font-weight: 300; color: #FFF; letter-spacing: 0.05em;
 font-family: var(--font-data) !important; font-size: 1rem !important; letter-spacing: 0.05em; font-variant-numeric: tabular-nums; }

/* Footer */
.legal-footer { border-top: 1px solid var(--color-border); padding: var(--space-lg) 0; }

/* Botones genéricos */
.btn-primary { 
    background: #FFFFFF; color: #000000; border: none; padding: 1.2rem; width: 100%; 
    border-radius: 0; font-size: 0.75rem; cursor: pointer; text-transform: uppercase; 
    letter-spacing: 0.15em; font-weight: 500; transition: all 0.4s ease;
}
.btn-primary:hover { background: var(--color-accent); color: #000; }

/* CARRITO OFF-CANVAS LUXURY */
.cart-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
    z-index: 999; opacity: 0; pointer-events: none; transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.cart-overlay.active { opacity: 1; pointer-events: all; }

.cart-drawer {
    position: fixed; top: 0; right: 0; width: 100%; max-width: 500px; height: 100%;
    background-color: #050505; z-index: 1000; border-left: 1px solid var(--color-border);
    transform: translateX(100%); transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex; flex-direction: column;
}
.cart-drawer.active { transform: translateX(0); }

.cart-header { 
    display: flex; justify-content: space-between; align-items: center; 
    padding: 2.5rem; border-bottom: 1px solid var(--color-border); 
}
.cart-header h3 { margin: 0; font-family: var(--font-heading); font-weight: 400; font-size: 1.5rem; }
#close-cart { background: none; border: none; font-size: 2rem; color: #FFF; padding: 0; line-height: 1; font-weight: 100; transition: transform 0.4s; }
#close-cart:hover { transform: rotate(90deg); color: var(--color-accent); }

.cart-body { flex: 1; overflow-y: auto; padding: 2.5rem; display: flex; flex-direction: column; gap: 2rem; }
.cart-item { display: flex; gap: 1.5rem; align-items: center; }
.cart-item img { width: 90px; height: 120px; object-fit: cover; filter: brightness(0.9); }
.cart-item-details { flex: 1; }
.cart-item-title { font-family: var(--font-heading); font-size: 1.1rem; margin: 0 0 0.5rem 0; font-weight: 400; }
.cart-item-price { color: var(--color-text-muted); font-size: 0.9rem; margin:0; }
.cart-qty-control { display:flex; align-items:center; margin-top: 1rem; gap: 1rem;}
.cart-qty-control button { width:30px; height:30px; background:none; border:1px solid #333; color:#fff; cursor:pointer; font-size: 1rem; transition: border-color 0.3s; }
.cart-qty-control button:hover { border-color: #FFF; }
.cart-qty-control input { width:30px; text-align:center; background:none; border:none; color:#fff; font-size: 1rem; -moz-appearance:textfield;}
.remove-item { background: none; border: none; color: #666; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; padding: 0; margin-top: 1rem; transition: color 0.3s; }
.remove-item:hover { color: #FFF; }

.cart-footer { padding: 2.5rem; border-top: 1px solid var(--color-border); background: #050505; }
.cart-total { display: flex; justify-content: space-between; font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 1.5rem; font-weight: 400; }

/* QUICK VIEW MODAL (INMERSIVO AURA STYLE) */
.quick-view-overlay {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    z-index: 10000; display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none; transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.quick-view-overlay.active { opacity: 1; pointer-events: auto; }
.quick-view-modal {
    background: #030303; width: 100vw; height: 100vh;
    display: flex; overflow: hidden; position: relative;
    transform: translateY(100px); transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.quick-view-overlay.active .quick-view-modal { transform: translateY(0); }

.qv-close {
    position: absolute; top: 30px; right: 40px; background: none; color: white; border: none;
    font-size: 30px; font-weight: 100; cursor: pointer; z-index: 10;
    transition: transform 0.4s ease;
}
.qv-close:hover { transform: rotate(90deg); color: var(--color-accent); }

.qv-left { width: 50%; height: 100%; position: relative; background: #000; }
.qv-left img { width: 100%; height: 100%; object-fit: cover; opacity: 0.9; }

.qv-right { width: 50%; padding: 8rem 6rem; overflow-y: auto; display: flex; flex-direction: column; justify-content: center; }
.qv-tag { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-accent); margin-bottom: 2rem; }
.qv-right h2 { font-family: var(--font-heading); font-size: 3.5rem; font-weight: 300; margin-bottom: 1.5rem; line-height: 1.1; }
.qv-desc { color: var(--color-text-muted); font-size: 0.9rem; letter-spacing: 0.05em; line-height: 1.8; margin-bottom: 3rem; text-transform: uppercase; }
.qv-price { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 300; margin-bottom: 3rem; color: #FFF; }

.qv-actions { display: flex; gap: 2rem; margin-bottom: 4rem; align-items: stretch; }
.qty-selector { display: flex; align-items: center; border: 1px solid var(--color-border); }
.qty-selector button { background: none; border: none; color: white; width: 50px; height: 60px; font-size: 1.5rem; cursor: pointer; font-weight: 100; transition: background 0.3s; }
.qty-selector button:hover { background: #111; }
.qty-selector input { width: 60px; height: 60px; background: none; border: none; color: white; text-align: center; font-size: 1.2rem; -moz-appearance: textfield; }
.add-to-cart-btn { flex: 1; background: #FFF; color: #000; border: none; font-family: var(--font-body); font-weight: 500; font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; cursor: pointer; transition: background 0.4s ease; }
.add-to-cart-btn:hover { background: var(--color-accent); }

.qv-accordion details { border-top: 1px solid var(--color-border); padding: 2rem 0; }
.qv-accordion details:last-child { border-bottom: 1px solid var(--color-border); }
.qv-accordion summary { cursor: pointer; font-family: var(--font-body); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; outline: none; }
.qv-accordion summary::-webkit-details-marker { display: none; }

@media (max-width: 900px) {
    .quick-view-modal { flex-direction: column; overflow-y: auto; }
    .qv-left { width: 100%; height: 50vh; }
    .qv-right { width: 100%; padding: 4rem 2rem; }
    .qv-right h2 { font-size: 2.5rem; }
    .catalog-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem 1rem; }
    .hero h1 { font-size: 4rem; }
}
/* FASE 2: PUBMED & SCIENCE VAULT EXPLODED */
.pubmed-ref {
    color: var(--color-accent); cursor: help; position: relative; display: inline-block; border-bottom: 1px dotted var(--color-accent);
}
.pubmed-tooltip {
    position: absolute; bottom: 150%; left: 50%; transform: translateX(-50%) translateY(10px);
    width: 320px; background: #111; border: 1px solid #333; padding: 1.5rem; z-index: 10000;
    opacity: 0; pointer-events: none; transition: all 0.4s ease; box-shadow: 0 20px 40px rgba(0,0,0,0.8);
}
.pubmed-ref:hover .pubmed-tooltip {
    opacity: 1; transform: translateX(-50%) translateY(0);
}
.pubmed-tooltip h4 { margin: 0 0 0.5rem 0; font-family: var(--font-body); font-size: 0.75rem; color: #FFF; letter-spacing: 0.1em; }
.pubmed-tooltip p { margin: 0; font-size: 0.75rem; color: #888; text-transform: none; line-height: 1.6; }

/* EXPLODED VIEW LAYERS */
.exploded-view-container {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none;
}
.exploded-layer {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover; opacity: 0.5; mix-blend-mode: screen;
    transform: translateY(0); transition: transform 0.5s ease-out;
}

/* FASE 3: KITS & PLACEHOLDERS */
.section-title { font-family: var(--font-heading); font-size: 2.5rem; text-align: center; margin-bottom: 4rem; color: #FFF; font-weight: 300; letter-spacing: 0.1em; text-transform: uppercase; }

.protocols-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); margin-bottom: 8rem; }
.kit-card { display: flex; flex-direction: column; background: var(--color-bg); border-radius: 0; overflow: hidden; height: 100%; cursor: pointer; transition: background 0.5s; }
.kit-card:hover { background: #0c0e12; }
.kit-card:hover { transform: translateY(-5px); border-color: #333; }
.kit-image-wrapper { width: 100%; height: 350px; position: relative; overflow: hidden; }

.kit-image-wrapper img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.8) contrast(1.1); transition: transform 2s ease; }
.kit-card:hover .kit-image-wrapper img { transform: scale(1.05); }

.kit-info { width: 100%; flex-grow: 1; padding: 2.5rem; display: flex; flex-direction: column; justify-content: center; }
.kit-info h2 { font-family: var(--font-heading); font-size: 2.2rem; margin-bottom: 1rem; color: #FFF; font-weight: 400; }
.kit-info p.desc { font-family: var(--font-data); font-size: 0.75rem; color: var(--color-text-muted); letter-spacing: 0.1em; line-height: 1.6; margin-bottom: 2rem; text-transform: uppercase; }
.kit-info p.price {  font-size: 1.2rem; color: #E5C158;  font-family: var(--font-data) !important; font-size: 1rem !important; letter-spacing: 0.05em; font-variant-numeric: tabular-nums; }

.placeholder-img { background: #050505; background-image: radial-gradient(circle at center, #111 0%, #000 100%); display: block; width: 100%; height: 100%; }
.placeholder-text { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); color: #333; font-family: var(--font-body); font-size: 0.7rem; letter-spacing: 0.3em; text-transform: uppercase; white-space: nowrap; }

@media (max-width: 900px) {
    .kit-card { flex-direction: column; }
    .kit-image-wrapper { width: 100%; height: 300px; }
    .kit-info { width: 100%; padding: 2rem; }
}

/* FASE 4: LANG & LOGO FIXES */
.site-header .logo { font-family: 'Montserrat', sans-serif; font-weight: 300; letter-spacing: 0.25em; }
.lang-selector { display:flex; gap:0.5rem; margin-right:2rem; }
.lang-btn { background:none; border:none; color:#555; cursor:pointer; font-family:var(--font-body); font-size:0.7rem; transition:color 0.3s; }
.lang-btn.active, .lang-btn:hover { color:#FFF; }

@media (max-width: 1024px) {
    .protocols-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .container { padding: 0 1rem; }
    .protocols-grid { grid-template-columns: 1fr; }
    .catalog-grid { grid-template-columns: 1fr; gap: 3rem; }
    .kit-info { padding: 2rem 1rem; }
}
.qv-gallery { display:flex; flex-direction:column; gap:1rem; padding-bottom: 2rem; width:100%; }
.qv-gallery img { width: 100%; border-radius: 8px; filter: brightness(0.9); }
.qv-gallery .placeholder-img { height: 400px; position:relative; }

/* FASE 6: SENSORY & EVIDENCE */
body::before {
    content: ""; position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.04; z-index: 9999; pointer-events: none; mix-blend-mode: overlay;
}

.evidence-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 4rem; text-align: left;
}
.evidence-card {
    background: #080808; border: 1px solid #1a1a1a; padding: 3rem 2rem; position: relative; overflow: hidden;
}
.evidence-card::before {
    content: "PUBMED REF: " attr(data-ref); position: absolute; top: 1rem; left: 2rem;
    font-size: 0.6rem; color: #444; font-family: monospace; letter-spacing: 0.1em;
}
.metric-value { font-family: var(--font-heading); font-size: 3rem; color: #FFF; font-weight: 300; margin-top: 1rem; margin-bottom: 0.5rem; }
.metric-label { font-size: 0.75rem; color: #E5C158; text-transform: uppercase; letter-spacing: 0.15em; margin-bottom: 1.5rem; }
.metric-desc { font-size: 0.85rem; color: #888; line-height: 1.6; }

@media (max-width: 900px) {
    .evidence-grid { grid-template-columns: 1fr; }
}

.pubmed-link:hover { background-color: #E5C158; color: #000 !important; }


/* AURA NATIVE REVEAL SYSTEM */
.aura-hidden {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 2s cubic-bezier(0.22, 1, 0.36, 1), transform 2.4s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: opacity, transform;
}
.aura-visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* KRYOS LIGHTS */
#lightfield {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(800px 800px at var(--lx, 50%) var(--ly, 50%), rgba(244,235,218,0.04) 0%, rgba(244,235,218,0.015) 30%, rgba(244,235,218,0) 70%);
  mix-blend-mode: screen; transition: background 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
#vignette {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background: radial-gradient(130% 100% at 50% 42%, transparent 42%, rgba(4,5,7,0.72) 100%);
}
#smooth-wrapper { z-index: 1; position: relative; }

/* HEARTBEAT ANIMATION */
@keyframes pulse { 
    0% { box-shadow: 0 0 0 0 rgba(229,193,88,0.7); transform: scale(1); } 
    70% { box-shadow: 0 0 0 10px rgba(229,193,88,0); transform: scale(1.1); } 
    100% { box-shadow: 0 0 0 0 rgba(229,193,88,0); transform: scale(1); } 
}
.clock-dot { 
    width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); 
    display: inline-block; margin-right: 8px; animation: pulse 2s infinite; 
}
.clock-text { font-family: var(--font-data); font-size: 0.6rem; letter-spacing: 0.2em; color: var(--color-text-muted); text-transform: uppercase; }

/* PRODUCT PAGE LAYOUT (BIOHACKING CLINICAL DOSSIER) */
.product-page-container {
    max-width: var(--max-width); margin: 0 auto; padding: calc(var(--space-xl) + 60px) var(--space-sm) var(--space-xl);
}
.pdp-grid {
    display: grid; grid-template-columns: 480px 1fr; gap: 4.5rem; align-items: start; margin-bottom: 5rem;
}
.pdp-media-wrapper {
    position: sticky; top: 110px; background: #040507; border: 1px solid rgba(255,255,255,0.08); padding: 1.5rem;
}
.pdp-media-tabs {
    display: flex; gap: 0.5rem; margin-bottom: 1.5rem; border-bottom: 1px solid rgba(255,255,255,0.08); padding-bottom: 0.75rem;
}
.pdp-media-tab {
    background: transparent; border: 1px solid rgba(255,255,255,0.1); color: var(--color-text-muted); font-family: var(--font-data);
    font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; padding: 0.5rem 1.2rem; cursor: pointer; transition: all 0.3s ease;
}
.pdp-media-tab.active, .pdp-media-tab:hover {
    color: #FFF; border-color: var(--color-accent); background: rgba(229,193,88,0.08);
}
.pdp-image-container {
    width: 100%; display: flex; align-items: center; justify-content: center; min-height: 380px;
}
.pdp-image-container img { width: 100%; height: auto; display: block; object-fit: contain; }
.pdp-video-container {
    width: 100%; aspect-ratio: 1/1; overflow: hidden; background: #000; display: flex; align-items: center; justify-content: center;
}
.pdp-video-container video {
    width: 100%; height: 100%; object-fit: cover; display: block;
}

.pdp-details h1 { font-family: var(--font-heading); font-size: 3rem; margin-bottom: 0.8rem; color: #FFF; font-weight: 300; line-height: 1.15; }
.pdp-details .pdp-tag { font-family: var(--font-data); font-size: 0.7rem; color: var(--color-accent); letter-spacing: 0.25em; text-transform: uppercase; margin-bottom: 1rem; display: block; }
.pdp-details .pdp-desc { font-size: 1.1rem; color: #ccc; line-height: 1.6; margin-bottom: 1.8rem; font-weight: 300; }
.pdp-details .pdp-price { font-family: var(--font-data); font-size: 2.2rem; color: var(--color-accent); margin-bottom: 2rem; font-weight: 600; }

/* 3 CLINICAL TAKEAWAY BULLETS */
.pdp-highlights-list {
    margin-bottom: 2.5rem; display: flex; flex-direction: column; gap: 0.8rem; border-left: 2px solid rgba(229,193,88,0.3); padding-left: 1.2rem;
}
.highlight-bullet {
    display: flex; align-items: flex-start; gap: 0.8rem; font-size: 0.9rem; color: #eee; line-height: 1.5;
}
.bullet-icon { color: var(--color-accent); font-size: 0.85rem; flex-shrink: 0; margin-top: 0.15rem; }

.pdp-purchase-box {
    border: 1px solid rgba(255,255,255,0.12); padding: 1.5rem; background: #06070a; margin-bottom: 1.5rem; display: flex; gap: 1rem; align-items: center;
}
.pdp-purchase-box .qty-selector { flex: 0 0 110px; display: flex; border: 1px solid rgba(255,255,255,0.15); height: 48px; }
.pdp-purchase-box .qty-selector button { flex: 1; background: transparent; border: none; color: #FFF; font-size: 1.2rem; cursor: pointer; }
.pdp-purchase-box .qty-selector input { width: 45px; text-align: center; background: transparent; border: none; color: #FFF; font-family: var(--font-data); font-size: 1rem; }

/* TRUST BAR */
.pdp-trust-bar {
    display: flex; gap: 1.5rem; padding: 1rem 0; border-top: 1px solid rgba(255,255,255,0.06); font-family: var(--font-data); font-size: 0.7rem; color: var(--color-text-muted);
}
.trust-item { display: flex; align-items: center; gap: 0.5rem; }
.trust-icon { font-size: 0.85rem; }

/* FULL SCIENTIFIC & CLINICAL DOSSIER */
.pdp-dossier-wrapper {
    margin-top: 4rem; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 4rem;
}
.pdp-dossier-header {
    text-align: center; max-width: 850px; margin: 0 auto 3.5rem;
}
.pdp-dossier-badge {
    display: inline-block; font-family: var(--font-data); font-size: 0.7rem; color: var(--color-accent); letter-spacing: 0.25em; text-transform: uppercase; margin-bottom: 0.8rem;
}
.pdp-dossier-title {
    font-family: var(--font-heading); font-size: 2.4rem; color: #FFF; font-weight: 300; margin-bottom: 1rem; letter-spacing: 0.05em;
}
.pdp-dossier-sub {
    font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.7;
}

.pdp-dossier-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 2rem;
}
.pdp-dossier-card {
    background: #06070a; border: 1px solid rgba(255,255,255,0.08); padding: 2.2rem; transition: border-color 0.3s ease;
}
.pdp-dossier-card:hover {
    border-color: rgba(229,193,88,0.3);
}
.pdp-dossier-card.highlight-card {
    border-color: rgba(229,193,88,0.25); background: linear-gradient(180deg, #07090e 0%, #050608 100%);
}
.pdp-card-header {
    display: flex; align-items: center; gap: 1rem; margin-bottom: 1.4rem; border-bottom: 1px solid rgba(255,255,255,0.06); padding-bottom: 0.8rem;
}
.pdp-card-num {
    font-family: var(--font-data); font-size: 0.85rem; color: var(--color-accent); font-weight: 600;
}
.pdp-card-header h3 {
    font-family: var(--font-data); font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; color: #FFF; margin: 0; font-weight: 500;
}
.pdp-card-body p {
    font-size: 0.92rem; color: #bbb; line-height: 1.8; margin: 0;
}
.pdp-card-body strong {
    color: #FFF; font-weight: 600;
}

/* SECTION 5: REFERENCES & CITATIONS */
.pdp-dossier-references {
    background: #040507; border: 1px solid rgba(255,255,255,0.08); padding: 2.2rem; display: flex; flex-direction: column; gap: 1.2rem;
}
.pdp-ref-header {
    display: flex; align-items: center; gap: 1rem; border-bottom: 1px solid rgba(255,255,255,0.06); padding-bottom: 0.8rem;
}
.pdp-ref-header h3 {
    font-family: var(--font-data); font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; color: #FFF; margin: 0; font-weight: 500;
}
.pdp-ref-body p {
    font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.7; margin: 0; font-style: italic;
}
.pdp-ref-body em {
    color: #ddd; font-style: normal;
}
.pdp-ref-actions {
    margin-top: 0.5rem;
}
.pdp-pubmed-btn {
    display: inline-block; padding: 0.9rem 1.8rem; border: 1px solid var(--color-accent); color: var(--color-accent);
    font-family: var(--font-data); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; transition: all 0.3s;
}
.pdp-pubmed-btn:hover {
    background: var(--color-accent); color: #000; box-shadow: 0 0 15px rgba(229,193,88,0.3);
}

@media (max-width: 960px) {
    .pdp-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .pdp-media-wrapper { position: relative; top: 0; }
    .pdp-dossier-grid { grid-template-columns: 1fr; }
    .pdp-purchase-box { flex-direction: column; }
    .pdp-purchase-box .qty-selector { width: 100%; }
    .pdp-trust-bar { flex-wrap: wrap; }
}

/* AUDIT & VERIFIED SOURCES STYLES */
.clinical-audit-section {
    position: relative;
    z-index: 10;
}
.source-card {
    transition: border-color 0.3s ease, transform 0.2s ease;
}
.source-card:hover {
    border-color: rgba(229,193,88,0.35) !important;
}
.audit-table-wrapper table th, .audit-table-wrapper table td {
    border-bottom: 1px solid rgba(255,255,255,0.06);
    vertical-align: top;
    line-height: 1.6;
}
.audit-table-wrapper table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}
@media (max-width: 768px) {
    .audit-table-wrapper {
        padding: 0.8rem;
    }
}


/* RTL & ARABIC SUPPORT */
[dir="rtl"] {
    text-align: right;
    font-family: 'Montserrat', 'Segoe UI', Tahoma, Arial, sans-serif;
}
[dir="rtl"] .site-header .container {
    flex-direction: row-reverse;
}
[dir="rtl"] .main-nav {
    flex-direction: row-reverse;
}
[dir="rtl"] .nav-group {
    flex-direction: row-reverse;
}
[dir="rtl"] .lang-selector {
    margin-right: 0;
    margin-left: 2rem;
    flex-direction: row-reverse;
}
[dir="rtl"] .product-info {
    text-align: right;
    align-items: flex-end;
}
[dir="rtl"] .media-badge {
    right: auto;
    left: 12px;
}
[dir="rtl"] .pdp-grid {
    direction: rtl;
}
[dir="rtl"] .pdp-details {
    text-align: right;
}
[dir="rtl"] .pdp-trust-bar {
    direction: rtl;
}
[dir="rtl"] .highlight-bullet {
    flex-direction: row-reverse;
    text-align: right;
}
[dir="rtl"] .pdp-card-header {
    flex-direction: row-reverse;
}
[dir="rtl"] .audit-table-wrapper table {
    text-align: right;
    direction: rtl;
}
[dir="rtl"] .cart-drawer {
    left: 0;
    right: auto;
    transform: translateX(-100%);
}
[dir="rtl"] .cart-drawer.active {
    transform: translateX(0);
}
[dir="rtl"] .cart-header {
    flex-direction: row-reverse;
}
[dir="rtl"] .cart-item-info {
    text-align: right;
}
[dir="rtl"] .cart-total {
    flex-direction: row-reverse;
}
[dir="rtl"] .qty-selector {
    flex-direction: row-reverse;
}

/* PROTOCOL 0 OFFICIAL SECURE CHECKOUT MODAL */
.checkout-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(4, 7, 12, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 1.5rem;
    box-sizing: border-box;
}

.checkout-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.checkout-modal-card {
    background: #090d12;
    border: 1px solid rgba(0, 243, 255, 0.22);
    border-radius: 4px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(0, 243, 255, 0.08);
    color: #e2e8f0;
    font-family: 'Inter', sans-serif;
    position: relative;
    transform: translateY(20px) scale(0.98);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.checkout-modal-overlay.active .checkout-modal-card {
    transform: translateY(0) scale(1);
}

.checkout-modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
}

.checkout-modal-header h3 {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #00f3ff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkout-close-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.35rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.25rem;
    transition: color 0.2s;
}

.checkout-close-btn:hover {
    color: #FFF;
}

.checkout-modal-body {
    padding: 1.5rem;
}

.checkout-badge-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 243, 255, 0.04);
    border: 1px solid rgba(0, 243, 255, 0.12);
    border-radius: 3px;
    padding: 0.6rem 0.85rem;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    color: #a0aec0;
    margin-bottom: 1.25rem;
}

.checkout-badge-bar strong {
    color: #FFF;
}

.checkout-summary-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    padding: 0.85rem 1rem;
    margin-bottom: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkout-summary-items {
    font-size: 0.75rem;
    color: #94a3b8;
}

.checkout-summary-total {
    font-size: 1.25rem;
    font-weight: 700;
    color: #FFF;
    letter-spacing: 0.05em;
}

.checkout-form-group {
    margin-bottom: 1rem;
}

.checkout-form-group label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #94a3b8;
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.checkout-input {
    width: 100%;
    background: rgba(13, 17, 23, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 3px;
    padding: 0.75rem 0.9rem;
    color: #FFF;
    font-size: 0.85rem;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.checkout-input:focus {
    outline: none;
    border-color: #00f3ff;
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.2);
}

.checkout-input::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.checkout-row-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
}

.checkout-pay-submit-btn {
    width: 100%;
    padding: 0.95rem;
    background: #00f3ff;
    color: #000;
    border: none;
    border-radius: 3px;
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s ease;
    margin-top: 0.5rem;
}

.checkout-pay-submit-btn:hover:not(:disabled) {
    background: #FFF;
    box-shadow: 0 0 25px rgba(0, 243, 255, 0.4);
    transform: translateY(-1px);
}

.checkout-pay-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.checkout-paypal-cta-btn {
    width: 100%;
    padding: 0.95rem;
    background: #FFC439;
    color: #003087;
    border: none;
    border-radius: 3px;
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s ease;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.checkout-paypal-cta-btn:hover:not(:disabled) {
    background: #ffcf54;
    box-shadow: 0 0 20px rgba(255, 196, 57, 0.4);
    transform: translateY(-1px);
}

.checkout-trust-footer {
    margin-top: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-around;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 1rem;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: #64748b;
}

.checkout-success-view {
    text-align: center;
    padding: 2rem 1rem;
}

.checkout-success-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(0, 243, 255, 0.1);
    border: 2px solid #00f3ff;
    color: #00f3ff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 1.5rem auto;
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.25);
}

.checkout-success-view h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: #FFF;
    text-transform: uppercase;
}

.checkout-success-view p {
    font-size: 0.82rem;
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.checkout-order-ref-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 243, 255, 0.25);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-family: monospace;
    color: #00f3ff;
    letter-spacing: 0.12em;
    margin-bottom: 1.5rem;
}

[dir="rtl"] .checkout-modal-header {
    flex-direction: row-reverse;
}

[dir="rtl"] .checkout-badge-bar {
    flex-direction: row-reverse;
}

[dir="rtl"] .checkout-summary-box {
    flex-direction: row-reverse;
}

[dir="rtl"] .checkout-form-group label {
    text-align: right;
}

[dir="rtl"] .checkout-input {
    text-align: right;
    direction: ltr;
}