/*
 * ═══════════════════════════════════════════════════════════════════════
 * NÖMA RESEARCH — SISTEMA DE DISEÑO v2.2 — GREENFIELD PRODUCTION
 * Arquitectura : Mobile-First Strict · CSS Custom Properties · SPA
 * Estética      : Ultra-Luxury Editorial · Asymmetric · Cinematic
 * Fuentes       : Cormorant Garamond (editorial) · Inter (UI/ciencia)
 * ═══════════════════════════════════════════════════════════════════════
 */


/* ═══════════════════════════════════════════════════════════════════════
   §1 — CUSTOM PROPERTIES  ·  LIGHT THEME (DEFAULT)
   ═══════════════════════════════════════════════════════════════════════ */
:root {
  /* ─── Backgrounds ─── */
  --bg-primary:    #F4F0E8;
  --bg-secondary:  #EDE9DF;
  --bg-surface:    #FAFAF8;
  --bg-card:       #FFFFFF;
  --bg-card-hover: #FDFDFC;
  --bg-glass:      rgba(255, 255, 255, 0.72);
  --bg-glass-deep: rgba(244, 240, 232, 0.88);

  /* ─── Text ─── */
  --text-primary:   #1C1C1C;
  --text-secondary: #3E3E3E;
  --text-muted:     #7A7A7A;
  --text-faint:     #ADADAD;
  --text-ghost:     rgba(28, 28, 28, 0.028);
  --text-on-accent: #FFFFFF;

  /* ─── Accent System ─── */
  --accent-primary:   #0D3E26;
  --accent-mid:       #1A5C3A;
  --accent-bright:    #2ECC71;
  --accent-glow:      rgba(13, 62, 38, 0.12);
  --accent-glow-card: rgba(13, 62, 38, 0.06);
  --accent-gold:      #D4AF37;
  --accent-gold-dim:  rgba(212, 175, 55, 0.14);
  --accent-gold-glow: rgba(212, 175, 55, 0.24);

  /* ─── Borders ─── */
  --border-subtle:    rgba(28, 28, 28, 0.08);
  --border-card:      rgba(28, 28, 28, 0.07);
  --border-divider:   rgba(28, 28, 28, 0.06);
  --border-focus:     rgba(13, 62, 38, 0.55);
  --border-accent:    rgba(13, 62, 38, 0.30);

  /* ─── Metallic gradient border (1px light-refraction on glass) ─── */
  --border-metallic: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.85)  0%,
    rgba(200, 200, 200, 0.22) 38%,
    rgba(212, 175, 55, 0.10)  65%,
    rgba(28,  28,  28, 0.05)  100%
  );
  --border-metallic-hover: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.95)  0%,
    rgba(212, 175, 55, 0.28)  45%,
    rgba(255, 255, 255, 0.40) 100%
  );

  /* ─── Shadows ─── */
  --shadow-xs:   0 1px 3px rgba(28, 28, 28, 0.05);
  --shadow-sm:   0 2px 8px rgba(28, 28, 28, 0.07);
  --shadow-card: 0 4px 24px rgba(28, 28, 28, 0.07), 0 0 0 1px var(--border-card);
  --shadow-lift: 0 12px 40px rgba(28, 28, 28, 0.13), 0 2px 8px rgba(28, 28, 28, 0.06);
  --shadow-glass:0 8px 32px rgba(28, 28, 28, 0.10), inset 0 1px 0 rgba(255,255,255,0.6);

  /* ─── Typography ─── */
  --font-editorial: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-ui:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* ─── Spacing scale (8-point grid) ─── */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  20px;
  --sp-6:  24px;
  --sp-8:  32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --sp-24: 96px;

  /* ─── Border radii ─── */
  --radius-xs:   4px;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-card: 16px;
  --radius-lg:   20px;
  --radius-pill: 999px;

  /* ─── Easing ─── */
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in:     cubic-bezier(0.4, 0, 1, 1);
  --ease-out:    cubic-bezier(0, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* ─── Transitions ─── */
  --t-fast: 150ms var(--ease-smooth);
  --t-base: 350ms var(--ease-smooth);
  --t-slow: 600ms var(--ease-smooth);

  /* ─── Z-index stack ─── */
  --z-base:    0;
  --z-card:    10;
  --z-header:  100;
  --z-cart:    200;
  --z-modal:   300;
  --z-gate:    400;
  --z-tooltip: 500;

  /* ─── Layout ─── */
  --header-h:  64px;
  --cart-w:    400px;
  --content-max: 1400px;
  --section-px: 20px;
  --section-pt: 80px;
}


/* ═══════════════════════════════════════════════════════════════════════
   §1b — DARK THEME OVERRIDES
   ═══════════════════════════════════════════════════════════════════════ */
[data-theme="dark"] {
  --bg-primary:    #090A0A;
  --bg-secondary:  #0C0D0D;
  --bg-surface:    #101111;
  --bg-card:       #0F0F0F;
  --bg-card-hover: #141414;
  --bg-glass:      rgba(15, 15, 15, 0.82);
  --bg-glass-deep: rgba(9, 10, 10, 0.92);

  --text-primary:   #F0EDE6;
  --text-secondary: #C8C4BC;
  --text-muted:     #7A7870;
  --text-faint:     #4A4845;
  --text-ghost:     rgba(212, 175, 55, 0.025);
  --text-on-accent: #090A0A;

  --accent-primary:   #D4AF37;
  --accent-mid:       #C4A030;
  --accent-bright:    #F0C040;
  --accent-glow:      rgba(212, 175, 55, 0.16);
  --accent-glow-card: rgba(212, 175, 55, 0.06);
  --accent-gold:      #D4AF37;
  --accent-gold-dim:  rgba(212, 175, 55, 0.12);
  --accent-gold-glow: rgba(212, 175, 55, 0.30);

  --border-subtle:    rgba(240, 237, 230, 0.07);
  --border-card:      rgba(240, 237, 230, 0.06);
  --border-divider:   rgba(240, 237, 230, 0.05);
  --border-focus:     rgba(212, 175, 55, 0.55);
  --border-accent:    rgba(212, 175, 55, 0.30);

  --border-metallic: linear-gradient(
    135deg,
    rgba(212, 175, 55, 0.30) 0%,
    rgba(255, 255, 255, 0.06) 40%,
    rgba(212, 175, 55, 0.08) 70%,
    rgba(255, 255, 255, 0.03) 100%
  );
  --border-metallic-hover: linear-gradient(
    135deg,
    rgba(212, 175, 55, 0.60) 0%,
    rgba(255, 255, 255, 0.12) 50%,
    rgba(212, 175, 55, 0.25) 100%
  );

  --shadow-xs:   0 1px 3px rgba(0, 0, 0, 0.40);
  --shadow-sm:   0 2px 8px rgba(0, 0, 0, 0.50);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45), 0 0 0 1px var(--border-card);
  --shadow-lift: 0 16px 48px rgba(0, 0, 0, 0.70), 0 4px 12px rgba(0, 0, 0, 0.40);
  --shadow-glass:0 8px 32px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255,255,255,0.06);
}


/* ═══════════════════════════════════════════════════════════════════════
   §2 — MODERN RESET & GLOBAL BASE
   ═══════════════════════════════════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition:
    background-color var(--t-base),
    color var(--t-base);
  overflow-x: hidden;
  min-height: 100vh;
}

img, svg {
  display: block;
  max-width: 100%;
}

button {
  cursor: pointer;
  font-family: var(--font-ui);
  border: none;
  background: none;
  color: inherit;
  appearance: none;
  -webkit-appearance: none;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  font-family: 'SF Mono', 'Fira Mono', 'Consolas', monospace;
  font-size: 0.82em;
  background: var(--border-subtle);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* ═══════════════════════════════════════════════════════════════════════
   §3 — GLOBAL TYPOGRAPHY SYSTEM
   ═══════════════════════════════════════════════════════════════════════ */
.section-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.section-title {
  font-family: var(--font-editorial);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  transition: color var(--t-base);
}

.section-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent-primary);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.br-desktop {
  display: none;
}


/* ═══════════════════════════════════════════════════════════════════════
   §4 — GLOBAL BUTTON SYSTEM
   ═══════════════════════════════════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-accent);
  background: var(--accent-primary);
  border-radius: var(--radius-pill);
  padding: 14px 28px;
  cursor: pointer;
  transition:
    background var(--t-base),
    transform var(--t-fast),
    box-shadow var(--t-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: background var(--t-fast);
}

.btn-primary:hover::after {
  background: rgba(255, 255, 255, 0.08);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-arrow {
  transition: transform var(--t-fast);
  flex-shrink: 0;
}

.btn-primary:hover .btn-arrow {
  transform: translateX(3px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 14px 28px;
  cursor: pointer;
  transition:
    border-color var(--t-base),
    color var(--t-base),
    background var(--t-fast),
    transform var(--t-fast);
  white-space: nowrap;
}

.btn-ghost:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-glow-card);
  transform: translateY(-1px);
}

.btn-text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: opacity var(--t-fast), transform var(--t-fast);
}

.btn-text-link:hover {
  opacity: 0.75;
  transform: translateX(2px);
}

.btn-confirm-icon {
  display: inline-block;
  transition: transform var(--t-base) var(--ease-bounce);
}

.btn-confirm-access:hover .btn-confirm-icon {
  transform: translateX(4px);
}


/* ═══════════════════════════════════════════════════════════════════════
   §5 — ANIMATIONS @keyframes
   ═══════════════════════════════════════════════════════════════════════ */

/* Section entrance — blur to sharp, translateY up */
@keyframes sectionFadeIn {
  from {
    opacity: 0;
    transform: translateY(18px);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes blurIn {
  from {
    opacity: 0;
    filter: blur(12px);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

/* Card staggered reveal */
@keyframes cardReveal {
  from {
    opacity: 0;
    transform: translateY(24px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

/* Cart badge elastic pop */
@keyframes badgePop {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.50); }
  60%  { transform: scale(0.90); }
  80%  { transform: scale(1.10); }
  100% { transform: scale(1); }
}

/* Purity orbital rotation */
@keyframes orbitSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes orbitSpinReverse {
  from { transform: rotate(0deg); }
  to   { transform: rotate(-360deg); }
}

/* Ticker marquee scroll */
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Float tag gentle levitation */
@keyframes floatLevitate {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* Gate panel entrance */
@keyframes gateSlideUp {
  from {
    opacity: 0;
    transform: translateY(32px) scale(0.97);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

/* Cart panel slide in */
@keyframes cartSlideIn {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

/* Hero text reveal stagger */
@keyframes revealUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Pulse glow for accents */
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50%       { box-shadow: 0 0 16px 4px var(--accent-glow); }
}

/* Orbit dot rotation */
@keyframes orbitDot {
  from { transform: rotate(0deg) translateX(56px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(56px) rotate(-360deg); }
}


/* ═══════════════════════════════════════════════════════════════════════
   §6 — SPA LAYOUT — Section Management
   ═══════════════════════════════════════════════════════════════════════ */
#noma-main {
  min-height: 100vh;
}

.noma-section {
  display: none;
  opacity: 0;
  min-height: calc(100vh - var(--header-h));
  padding-top: var(--header-h);
}

.noma-section.section-active {
  display: block;
  animation: sectionFadeIn 500ms var(--ease-out) forwards;
}

/* Section shared spacing */
.noma-section > *:not(.hero-ghost-text):not(.hero-bg-orbit) {
  position: relative;
  z-index: 1;
}


/* ═══════════════════════════════════════════════════════════════════════
   §7 — BIOSECURITY GATE
   ═══════════════════════════════════════════════════════════════════════ */
#noma-gate {
  position: fixed;
  inset: 0;
  z-index: var(--z-gate);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
}

#noma-gate.gate-dismissed {
  display: none;
}

.gate-overlay {
  position: absolute;
  inset: 0;
  background: var(--bg-primary);
  backdrop-filter: blur(32px) saturate(160%);
  -webkit-backdrop-filter: blur(32px) saturate(160%);
  transition: background var(--t-base);
}

.gate-panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-radius: var(--radius-lg);
  padding: var(--sp-8) var(--sp-6);
  box-shadow: var(--shadow-lift);
  animation: gateSlideUp 700ms var(--ease-out) forwards;
  scrollbar-width: none;
}

.gate-panel::-webkit-scrollbar {
  display: none;
}

/* Corner accent lines via pseudo-elements */
.gate-panel::before,
.gate-panel::after {
  content: '';
  position: absolute;
  width: 48px;
  height: 48px;
  pointer-events: none;
}

.gate-panel::before {
  top: 16px;
  left: 16px;
  border-top: 1px solid var(--accent-primary);
  border-left: 1px solid var(--accent-primary);
  opacity: 0.5;
  border-radius: 4px 0 0 0;
}

.gate-panel::after {
  bottom: 16px;
  right: 16px;
  border-bottom: 1px solid var(--accent-primary);
  border-right: 1px solid var(--accent-primary);
  opacity: 0.5;
  border-radius: 0 0 4px 0;
}

/* ─ Gate Sigil background decorativo ─ */
.gate-sigil-bg {
  position: absolute;
  top: -32px;
  right: -12px;
  font-family: var(--font-editorial);
  font-size: clamp(8rem, 20vw, 16rem);
  font-weight: 300;
  color: var(--accent-primary);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
  line-height: 1;
  z-index: 0;
  letter-spacing: 0;
}

.gate-head {
  position: relative;
  z-index: 1;
  text-align: center;
  margin-bottom: var(--sp-4);
}

.gate-logo {
  font-family: var(--font-editorial);
  font-size: 2.8rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--sp-2);
  transition: color var(--t-base);
}

.gate-logo-sub {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  margin-top: var(--sp-1);
}

.gate-logo-line {
  flex: 1;
  max-width: 48px;
  height: 1px;
  background: var(--border-subtle);
}

.gate-logo-sub-text {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.gate-protocol-label {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-primary);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.gate-proto-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: inline-block;
  flex-shrink: 0;
}

.gate-divider {
  width: 100%;
  height: 1px;
  background: var(--border-divider);
  margin-bottom: var(--sp-5);
}

.gate-warning {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--sp-5);
  transition: color var(--t-base);
}

.gate-warning em {
  font-style: italic;
  color: var(--text-primary);
}

/* ─ Certificaciones del Gate ─ */
.gate-certs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  padding: var(--sp-4) var(--sp-3);
  background: var(--accent-glow-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-4);
}

.gate-cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 48px;
}

.gate-cert-value {
  font-family: var(--font-editorial);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--accent-primary);
  line-height: 1;
}

.gate-cert-label {
  font-family: var(--font-ui);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

.gate-cert-divider {
  width: 1px;
  height: 28px;
  background: var(--border-divider);
  flex-shrink: 0;
}

/* ─ Compound preview strip ─ */
.gate-compounds {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}

.gate-compound-tag {
  font-family: var(--font-ui);
  font-size: 0.70rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  white-space: nowrap;
}

.gate-compound-sep {
  color: var(--border-subtle);
  font-size: 0.65rem;
}

/* ─ Gate action buttons ─ */
.gate-actions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.btn-confirm-access {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  width: 100%;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-accent);
  background: var(--accent-primary);
  border-radius: var(--radius-pill);
  padding: 16px var(--sp-6);
  cursor: pointer;
  transition:
    background var(--t-base),
    transform var(--t-fast),
    box-shadow var(--t-base);
  position: relative;
  overflow: hidden;
}

.btn-confirm-access::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--t-fast);
}

.btn-confirm-access:hover::after {
  background: rgba(255,255,255,0.08);
}

.btn-confirm-access:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 32px var(--accent-glow);
}

.btn-decline-access {
  display: block;
  width: 100%;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: transparent;
  border-radius: var(--radius-pill);
  padding: 12px var(--sp-6);
  cursor: pointer;
  transition: color var(--t-base);
  text-align: center;
}

.btn-decline-access:hover {
  color: var(--text-primary);
}

.gate-legal-footer {
  font-family: var(--font-ui);
  font-size: 0.60rem;
  line-height: 1.55;
  color: var(--text-faint);
  text-align: center;
  transition: color var(--t-base);
}


/* ═══════════════════════════════════════════════════════════════════════
   §8 — GLOBAL HEADER
   ═══════════════════════════════════════════════════════════════════════ */
#noma-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition:
    background var(--t-base),
    border-color var(--t-base),
    box-shadow var(--t-base);
}

#noma-header.header-scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

/* ─ Logo ─ */
.header-logo {
  font-family: var(--font-editorial);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.20em;
  color: var(--text-primary);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  line-height: 1;
  transition: color var(--t-base), opacity var(--t-fast);
  flex-shrink: 0;
}

.header-logo:hover {
  opacity: 0.72;
}

/* ─ Desktop Nav (hidden on mobile) ─ */
.header-nav {
  display: none;
  align-items: center;
  gap: var(--sp-1);
}

.nav-link {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  transition:
    color var(--t-base),
    background var(--t-fast);
  white-space: nowrap;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1.5px;
  background: var(--accent-primary);
  border-radius: 1px;
  transition: width var(--t-base) var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: calc(100% - 28px);
}

/* ─ Header Controls ─ */
.header-controls {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  transition:
    background var(--t-fast),
    border-color var(--t-base),
    color var(--t-base);
  position: relative;
  overflow: hidden;
}

.theme-toggle-btn:hover {
  background: var(--bg-secondary);
  border-color: var(--border-accent);
}

.icon-sun,
.icon-moon {
  position: absolute;
  transition:
    opacity var(--t-base),
    transform var(--t-base) var(--ease-bounce);
}

[data-theme="light"] .icon-sun  { opacity: 1; transform: scale(1) rotate(0deg); }
[data-theme="light"] .icon-moon { opacity: 0; transform: scale(0.6) rotate(-30deg); }
[data-theme="dark"]  .icon-sun  { opacity: 0; transform: scale(0.6) rotate(30deg); }
[data-theme="dark"]  .icon-moon { opacity: 1; transform: scale(1) rotate(0deg); }

/* ─ Cart Button ─ */
.cart-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  position: relative;
  transition:
    background var(--t-fast),
    border-color var(--t-base);
}

.cart-btn:hover {
  background: var(--bg-secondary);
  border-color: var(--border-accent);
}

/* ─ Cart Badge ─ */
.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: var(--radius-pill);
  background: var(--accent-primary);
  color: var(--text-on-accent);
  font-family: var(--font-ui);
  font-size: 0.60rem;
  font-weight: 600;
  letter-spacing: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background var(--t-base);
}

.cart-badge.badge-pop {
  animation: badgePop 450ms var(--ease-bounce) forwards;
}

/* ─ Hamburger (visible on mobile) ─ */
.hamburger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-base);
}

.hamburger-btn:hover {
  background: var(--bg-secondary);
}

/* ─ Mobile Menu Drawer ─ */
.mobile-menu {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: calc(var(--z-header) - 1);
  background: var(--bg-glass-deep);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition:
    transform 320ms var(--ease-out),
    opacity 320ms var(--ease-out);
}

.mobile-menu.menu-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-inner {
  padding: var(--sp-4) var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  width: 100%;
  font-family: var(--font-editorial);
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--border-divider);
  text-align: left;
  transition: color var(--t-fast), padding-left var(--t-base);
}

.mobile-nav-link:last-of-type {
  border-bottom: none;
}

.mobile-nav-link:hover {
  color: var(--accent-primary);
  padding-left: var(--sp-2);
}

.mobile-nav-num {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  min-width: 24px;
}

.mobile-menu-footer {
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-divider);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.mobile-menu-legal {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}

.mobile-menu-certs {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.mobile-menu-certs span {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 0.08em;
}


/* ═══════════════════════════════════════════════════════════════════════
   §9 — SIDE-CART OVERLAY
   ═══════════════════════════════════════════════════════════════════════ */
#noma-cart-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-cart);
  pointer-events: none;
}

#noma-cart-overlay.cart-open {
  pointer-events: auto;
}

.cart-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(9, 10, 10, 0.45);
  opacity: 0;
  transition: opacity 350ms var(--ease-smooth);
  cursor: pointer;
}

#noma-cart-overlay.cart-open .cart-backdrop {
  opacity: 1;
}

.cart-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 100vw;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 380ms var(--ease-spring);
  overflow: hidden;
}

#noma-cart-overlay.cart-open .cart-panel {
  transform: translateX(0);
}

.cart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--sp-6) var(--sp-5) var(--sp-4);
  flex-shrink: 0;
}

.cart-header-left {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.cart-title {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: color var(--t-base);
}

.cart-item-count {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color var(--t-base);
}

.cart-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--t-fast), background var(--t-fast);
  flex-shrink: 0;
}

.cart-close-btn:hover {
  color: var(--text-primary);
  background: var(--border-subtle);
}

.cart-divider {
  height: 1px;
  background: var(--border-divider);
  flex-shrink: 0;
  margin: 0 var(--sp-5);
}

/* ─ Cart Body ─ */
.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-4) var(--sp-5);
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
}

.cart-body::-webkit-scrollbar {
  width: 4px;
}

.cart-body::-webkit-scrollbar-track {
  background: transparent;
}

.cart-body::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 2px;
}

/* Cart empty state — injected by JS */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  padding: var(--sp-16) var(--sp-5);
  text-align: center;
  color: var(--text-muted);
}

.cart-empty-icon {
  opacity: 0.3;
  margin-bottom: var(--sp-2);
}

.cart-empty-title {
  font-family: var(--font-editorial);
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--text-muted);
}

.cart-empty-desc {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-faint);
  line-height: 1.5;
}

/* Cart item — injected by JS */
.cart-item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: start;
  gap: var(--sp-3);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border-divider);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item-vial {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-editorial);
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.cart-item-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.cart-item-name {
  font-family: var(--font-editorial);
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.2;
  transition: color var(--t-base);
}

.cart-item-sub {
  font-family: var(--font-ui);
  font-size: 0.70rem;
  color: var(--text-muted);
  transition: color var(--t-base);
}

.cart-item-qty-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-1);
}

.cart-qty-btn {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.80rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
  line-height: 1;
}

.cart-qty-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.cart-qty-num {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-primary);
  min-width: 16px;
  text-align: center;
}

.cart-item-price {
  font-family: var(--font-editorial);
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-primary);
  white-space: nowrap;
  transition: color var(--t-base);
}

.cart-item-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: var(--text-faint);
  cursor: pointer;
  transition: color var(--t-fast), background var(--t-fast);
  margin-top: 2px;
}

.cart-item-remove:hover {
  color: #C0392B;
  background: rgba(192, 57, 43, 0.08);
}

/* Cart footer — injected by JS */
.cart-footer {
  padding: var(--sp-4) var(--sp-5) var(--sp-6);
  border-top: 1px solid var(--border-divider);
  flex-shrink: 0;
}

.cart-subtotal-row,
.cart-total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) 0;
}

.cart-subtotal-label,
.cart-total-label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.cart-total-label {
  color: var(--text-primary);
}

.cart-subtotal-val,
.cart-total-val {
  font-family: var(--font-editorial);
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-primary);
}

.cart-total-val {
  font-size: 1.3rem;
  color: var(--accent-primary);
}

.cart-divider-thin {
  height: 1px;
  background: var(--border-divider);
  margin: var(--sp-3) 0;
}

.cart-ctas {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.cart-ctas .btn-primary {
  width: 100%;
  justify-content: center;
}

.cart-payment-row {
  display: flex;
  gap: var(--sp-2);
}

.cart-payment-row .btn-ghost {
  flex: 1;
  justify-content: center;
  font-size: 0.75rem;
  padding: 11px var(--sp-4);
}

.cart-ruo-note {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  color: var(--text-faint);
  text-align: center;
  line-height: 1.5;
  margin-top: var(--sp-3);
}

/* ─ Cart Email Capture ─ */
.cart-email-capture {
  padding: var(--sp-4) 0 var(--sp-2);
}

.cart-email-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.60rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-2);
  transition: color var(--t-base);
}

.cart-email-input {
  display: block;
  width: 100%;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  outline: 0;
  transition:
    border-color var(--t-base),
    box-shadow var(--t-base),
    background var(--t-base),
    color var(--t-base);
}

.cart-email-input::placeholder {
  color: var(--text-faint);
}

.cart-email-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.cart-email-hint {
  font-family: var(--font-ui);
  font-size: 0.60rem;
  line-height: 1.5;
  color: var(--text-faint);
  margin-top: var(--sp-1);
  transition: color var(--t-base);
}

/* ─ Image fallback ghost ─ */
.img-fallback-ghost {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}


/* ═══════════════════════════════════════════════════════════════════════
   §10 — HOME SECTION
   ═══════════════════════════════════════════════════════════════════════ */
#noma-home {
  position: relative;
  overflow: hidden;
}

/* Ghost watermark N · M · A */
.hero-ghost-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-editorial);
  font-size: 25vw;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  opacity: 0.018;
  mix-blend-mode: overlay;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  z-index: 0;
  line-height: 1;
  transition: color var(--t-base);
}

/* ─ Background orbital decoration ─ */
.hero-bg-orbit {
  position: absolute;
  top: 50%;
  right: -8vw;
  width: 60vw;
  height: 60vw;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 0;
}

.hero-orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  transform: translate(-50%, -50%);
  transition: border-color var(--t-base);
}

.hero-orbit-ring-1 {
  width: 50%;
  height: 50%;
  animation: orbitSpin 22s linear infinite;
}

.hero-orbit-ring-2 {
  width: 75%;
  height: 75%;
  animation: orbitSpinReverse 34s linear infinite;
}

.hero-orbit-ring-3 {
  width: 100%;
  height: 100%;
  animation: orbitSpin 48s linear infinite;
}

.hero-orbit-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  margin: -3px;
  animation: orbitDot 22s linear infinite;
  opacity: 0.5;
}

/* ─ Hero Grid ─ */
.hero-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-12);
  padding: var(--sp-12) var(--section-px) var(--sp-8);
  max-width: var(--content-max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ─ Hero Text Column ─ */
.hero-col-text {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-primary);
}

.hero-eyebrow-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-primary);
  flex-shrink: 0;
  animation: pulseGlow 2.5s ease-in-out infinite;
}

.hero-eyebrow-line {
  flex: 0 0 24px;
  height: 1px;
  background: var(--accent-primary);
  opacity: 0.5;
}

.hero-h1 {
  font-family: var(--font-editorial);
  font-size: clamp(2.8rem, 10vw, 5.5rem);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  transition: color var(--t-base);
  animation: revealUp 800ms var(--ease-out) 200ms both;
}

.hero-h1 em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent-primary);
  transition: color var(--t-base);
}

.hero-subline {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  line-height: 1.70;
  color: var(--text-secondary);
  max-width: 42ch;
  transition: color var(--t-base);
  animation: revealUp 800ms var(--ease-out) 350ms both;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  animation: revealUp 800ms var(--ease-out) 450ms both;
}

.hero-inline-certs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  animation: revealUp 800ms var(--ease-out) 550ms both;
}

.hero-cert-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-pill);
  padding: 5px 10px;
  transition:
    background var(--t-base),
    border-color var(--t-base),
    color var(--t-base);
}

.cert-pill-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-primary);
  flex-shrink: 0;
  opacity: 0.7;
}

/* ─ Hero Visual Column ─ */
.hero-col-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

/* ─ Purity Orbital ─ */
.purity-orbital {
  position: relative;
  width: 220px;
  height: 220px;
  flex-shrink: 0;
}

.purity-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid var(--border-accent);
  transform: translate(-50%, -50%);
  transition: border-color var(--t-base);
}

.purity-ring-outer {
  width: 100%;
  height: 100%;
  border-color: var(--border-accent);
  animation: orbitSpin 18s linear infinite;
}

.purity-ring-mid {
  width: 74%;
  height: 74%;
  border-color: var(--border-subtle);
  animation: orbitSpinReverse 28s linear infinite;
}

.purity-ring-inner {
  width: 50%;
  height: 50%;
  border-style: dashed;
  border-color: var(--border-subtle);
  opacity: 0.6;
}

/* Orbital tick marks */
.purity-ring-tick {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-primary);
  top: 50%;
  left: 50%;
  margin: -2px;
}

.purity-tick-1 { transform: rotate(0deg)   translateX(110px); }
.purity-tick-2 { transform: rotate(60deg)  translateX(110px); }
.purity-tick-3 { transform: rotate(120deg) translateX(110px); }
.purity-tick-4 { transform: rotate(180deg) translateX(110px); }
.purity-tick-5 { transform: rotate(240deg) translateX(110px); }
.purity-tick-6 { transform: rotate(300deg) translateX(110px); }

.purity-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.purity-core-value {
  font-family: var(--font-editorial);
  font-size: 2.6rem;
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.02em;
  transition: color var(--t-base);
}

.purity-core-unit {
  font-size: 1.2rem;
  vertical-align: top;
  line-height: 1.5;
}

.purity-core-label {
  font-family: var(--font-ui);
  font-size: 0.60rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-primary);
  transition: color var(--t-base);
}

/* ─ Floating Data Tags ─ */
.hero-float-tag {
  position: absolute;
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--sp-2) var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: var(--shadow-sm);
  pointer-events: none;
}

.hero-float-tag-1 {
  top: 8%;
  right: 4%;
  animation: floatLevitate 4s ease-in-out infinite;
}

.hero-float-tag-2 {
  bottom: 16%;
  right: 2%;
  animation: floatLevitate 5s ease-in-out 1s infinite;
}

.hero-float-tag-3 {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  animation: floatLevitate 3.5s ease-in-out 0.5s infinite;
  display: none;
}

.float-tag-label {
  font-family: var(--font-ui);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.float-tag-value {
  font-family: var(--font-editorial);
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--text-primary);
  transition: color var(--t-base);
}

/* ─ Formula Tag ─ */
.hero-formula-tag {
  position: absolute;
  bottom: 4%;
  left: 8%;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--sp-2) var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: var(--shadow-sm);
  pointer-events: none;
  display: none;
}

.formula-label {
  font-family: var(--font-ui);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.formula-value {
  font-family: var(--font-editorial);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--accent-primary);
  transition: color var(--t-base);
}

.formula-compound {
  font-family: var(--font-ui);
  font-size: 0.60rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

/* ─ Ticker Bar ─ */
.ticker-bar {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-top: 1px solid var(--border-divider);
  border-bottom: 1px solid var(--border-divider);
  padding: 12px 0;
  margin: var(--sp-6) 0;
  background: var(--bg-secondary);
  transition: background var(--t-base), border-color var(--t-base);
}

.ticker-bar::before,
.ticker-bar::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.ticker-bar::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-secondary), transparent);
}

.ticker-bar::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-secondary), transparent);
}

.ticker-inner {
  display: flex;
  width: max-content;
  animation: tickerScroll 75s linear infinite;
  will-change: transform;
}

.ticker-inner:hover {
  animation-play-state: paused;
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-ui);
  font-size: 0.70rem;
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
  padding-right: 0;
  transition: color var(--t-base);
}

.ticker-sep {
  margin: 0 18px;
  color: var(--accent-primary);
  opacity: 0.6;
  font-size: 0.55rem;
  vertical-align: middle;
}

/* ─ Home Metrics Bar ─ */
.home-metrics {
  display: flex;
  align-items: center;
  overflow-x: auto;
  gap: 0;
  padding: var(--sp-6) var(--section-px) var(--sp-8);
  max-width: var(--content-max);
  margin: 0 auto;
  scrollbar-width: none;
  position: relative;
  z-index: 1;
}

.home-metrics::-webkit-scrollbar {
  display: none;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-1);
  padding: 0 var(--sp-5);
  flex-shrink: 0;
}

.metric-value {
  font-family: var(--font-editorial);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  line-height: 1;
  transition: color var(--t-base);
}

.metric-label {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  white-space: nowrap;
  transition: color var(--t-base);
}

.metric-divider {
  width: 1px;
  height: 40px;
  background: var(--border-divider);
  flex-shrink: 0;
}

/* ─ Bestsellers Strip ─ */
.home-bestsellers {
  padding: 0 var(--section-px) var(--sp-16);
  max-width: var(--content-max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.home-bs-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--sp-6);
  gap: var(--sp-4);
}

.home-bs-header-left {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.home-bs-title {
  font-family: var(--font-editorial);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  transition: color var(--t-base);
}

.home-bs-title em {
  font-style: italic;
  color: var(--accent-primary);
  transition: color var(--t-base);
}

/* ─ Bestseller Carousel ─ */
.bs-carousel {
  display: flex;
  gap: var(--sp-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: var(--sp-2);
}

.bs-carousel::-webkit-scrollbar {
  display: none;
}

/* BS cards (injected) inherit product-card sizing on mobile */
.bs-carousel .product-card {
  flex: 0 0 80vw;
  max-width: 320px;
  scroll-snap-align: start;
}


/* ═══════════════════════════════════════════════════════════════════════
   §11 — CATALOG SECTION
   ═══════════════════════════════════════════════════════════════════════ */
#noma-catalog {
  padding: var(--sp-8) var(--section-px) var(--sp-16);
}

.catalog-header {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  max-width: var(--content-max);
  margin: 0 auto var(--sp-8);
}

.catalog-header-left {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.catalog-header-desc {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 52ch;
  transition: color var(--t-base);
}

.catalog-header-right {
  display: none;
}

.catalog-header-deco {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--sp-1);
}

.chd-numeral {
  font-family: var(--font-editorial);
  font-size: 6rem;
  font-weight: 300;
  line-height: 0.9;
  color: var(--accent-primary);
  opacity: 0.25;
  letter-spacing: -0.04em;
  transition: color var(--t-base), opacity var(--t-base);
}

.chd-label {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: right;
  line-height: 1.4;
  transition: color var(--t-base);
}

.catalog-header-deco-line {
  width: 1px;
  height: 64px;
  background: linear-gradient(to bottom, var(--accent-primary), transparent);
  opacity: 0.3;
  margin-top: var(--sp-2);
  align-self: flex-end;
}

/* ─ Filter Tabs ─ */
.catalog-filters {
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: var(--sp-1);
  max-width: var(--content-max);
  margin: 0 auto var(--sp-8);
}

.catalog-filters::-webkit-scrollbar {
  display: none;
}

.filter-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition:
    color var(--t-base),
    background var(--t-base),
    border-color var(--t-base);
}

.filter-tab:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
  background: var(--accent-glow-card);
}

.filter-tab.active {
  color: var(--text-on-accent);
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.filter-tab-count {
  font-family: var(--font-ui);
  font-size: 0.60rem;
  font-weight: 600;
  opacity: 0.6;
}

.filter-tab.active .filter-tab-count {
  opacity: 0.8;
}

/* ─ Products Grid ─ */
.catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  max-width: var(--content-max);
  margin: 0 auto;
}


/* ═══════════════════════════════════════════════════════════════════════
   §12 — PRODUCT CARD  (Dynamic Injection from script.js)
   ═══════════════════════════════════════════════════════════════════════ */
.product-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  transition:
    transform 350ms var(--ease-smooth),
    box-shadow 350ms var(--ease-smooth),
    background var(--t-base);
  animation: cardReveal 600ms var(--ease-out) both;
  /* Metallic gradient border via mask technique */
}

/* Staggered reveal delays — 10 cards */
.product-card:nth-child(1)  { animation-delay: 0ms;   }
.product-card:nth-child(2)  { animation-delay: 60ms;  }
.product-card:nth-child(3)  { animation-delay: 120ms; }
.product-card:nth-child(4)  { animation-delay: 180ms; }
.product-card:nth-child(5)  { animation-delay: 240ms; }
.product-card:nth-child(6)  { animation-delay: 300ms; }
.product-card:nth-child(7)  { animation-delay: 360ms; }
.product-card:nth-child(8)  { animation-delay: 420ms; }
.product-card:nth-child(9)  { animation-delay: 480ms; }
.product-card:nth-child(10) { animation-delay: 540ms; }

/* Metallic border via ::before mask */
.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--border-metallic);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 2;
  transition: background var(--t-base);
}

.product-card:hover::before {
  background: var(--border-metallic-hover);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
}

.product-card:hover .product-name {
  filter: brightness(1.15);
}

/* Glassmorphic inner */
.product-card-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* ─ Card image area ─ */
.product-card-img {
  position: relative;
  height: 200px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: background var(--t-base);
}

/* Vial CSS simulation */
.product-card-vial {
  position: relative;
  width: 52px;
  height: 96px;
}

.product-card-vial::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 78px;
  background: linear-gradient(
    160deg,
    rgba(255,255,255,0.18) 0%,
    var(--accent-glow) 40%,
    rgba(255,255,255,0.04) 100%
  );
  border: 1px solid var(--border-accent);
  border-radius: 4px 4px 8px 8px;
  backdrop-filter: blur(4px);
}

.product-card-vial::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 16px;
  background: var(--accent-primary);
  border-radius: 2px 2px 0 0;
  opacity: 0.8;
  transition: background var(--t-base);
}

.product-sigil {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-editorial);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.10em;
  color: var(--accent-primary);
  text-align: center;
  z-index: 1;
  white-space: nowrap;
  transition: color var(--t-base);
}

/* ─ Card body ─ */
.product-card-body {
  padding: var(--sp-4) var(--sp-4) var(--sp-3);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.product-badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: var(--accent-glow-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-pill);
  padding: 3px 8px;
  transition: all var(--t-base);
  width: fit-content;
}

.product-name {
  font-family: var(--font-editorial);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  transition: color var(--t-base), filter var(--t-base);
}

.product-subtitle {
  font-family: var(--font-ui);
  font-size: 0.73rem;
  line-height: 1.5;
  color: var(--text-muted);
  transition: color var(--t-base);
}

.product-purity {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  transition: color var(--t-base);
}

.product-price {
  font-family: var(--font-editorial);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  margin-top: auto;
  transition: color var(--t-base);
}

/* ─ Card footer ─ */
.product-card-footer {
  padding: var(--sp-3) var(--sp-4) var(--sp-4);
  border-top: 1px solid var(--border-divider);
}

.btn-add-cart {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  width: 100%;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-on-accent);
  background: var(--accent-primary);
  border-radius: var(--radius-pill);
  padding: 12px var(--sp-4);
  cursor: pointer;
  border: none;
  transition:
    background var(--t-base),
    transform var(--t-fast),
    box-shadow var(--t-base);
  position: relative;
  overflow: hidden;
}

.btn-add-cart::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--t-fast);
}

.btn-add-cart:hover::after {
  background: rgba(255,255,255,0.08);
}

.btn-add-cart:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.out-of-stock-label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 12px;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-pill);
}


/* ═══════════════════════════════════════════════════════════════════════
   §13 — PRODUCT DETAIL SECTION
   ═══════════════════════════════════════════════════════════════════════ */
#noma-product-detail {
  padding: var(--sp-6) var(--section-px) var(--sp-16);
}

.detail-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-bottom: var(--sp-8);
  transition: color var(--t-fast), transform var(--t-fast);
}

.detail-back-btn:hover {
  color: var(--accent-primary);
  transform: translateX(-3px);
}

/* Detail grid — single column on mobile */
.detail-container {
  max-width: var(--content-max);
  margin: 0 auto;
}

.detail-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

/* ─ Detail Images Column ─ */
.detail-col-images {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.detail-main-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.detail-main-vial {
  position: relative;
  width: 100px;
  height: 180px;
}

.detail-main-vial::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 68px;
  height: 148px;
  background: linear-gradient(
    160deg,
    rgba(255,255,255,0.22) 0%,
    var(--accent-glow) 45%,
    rgba(255,255,255,0.04) 100%
  );
  border: 1px solid var(--border-accent);
  border-radius: 6px 6px 12px 12px;
  backdrop-filter: blur(6px);
}

.detail-main-vial::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 38px;
  height: 28px;
  background: var(--accent-primary);
  border-radius: 4px 4px 0 0;
  opacity: 0.85;
}

.detail-sigil {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-editorial);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--accent-primary);
  text-align: center;
  z-index: 1;
}

.detail-thumbnails {
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  scrollbar-width: none;
}

.detail-thumbnails::-webkit-scrollbar {
  display: none;
}

.detail-thumbnail {
  flex: 0 0 72px;
  height: 72px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 0.60rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  cursor: pointer;
  transition:
    border-color var(--t-fast),
    background var(--t-fast);
  text-align: center;
  padding: var(--sp-2);
}

.detail-thumbnail:hover,
.detail-thumbnail.thumb-active {
  border-color: var(--accent-primary);
  background: var(--accent-glow-card);
  color: var(--accent-primary);
}

/* ─ Detail Info Column ─ */
.detail-col-info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.detail-badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.60rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: var(--accent-glow-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  width: fit-content;
}

.detail-compound-id {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--t-base);
}

.detail-name {
  font-family: var(--font-editorial);
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  transition: color var(--t-base);
}

.detail-subtitle {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-muted);
  transition: color var(--t-base);
}

/* ─ Purity bar ─ */
.detail-purity-bar-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.detail-purity-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.detail-purity-label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--t-base);
}

.detail-purity-val {
  font-family: var(--font-editorial);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--accent-primary);
  transition: color var(--t-base);
}

.detail-purity-bar {
  width: 100%;
  height: 3px;
  background: var(--border-subtle);
  border-radius: 2px;
  overflow: hidden;
}

.detail-purity-fill {
  height: 100%;
  background: linear-gradient(to right, var(--accent-primary), var(--accent-bright));
  border-radius: 2px;
  transition: width 800ms var(--ease-out), background var(--t-base);
}

/* ─ Price block ─ */
.detail-price-block {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
}

.detail-price {
  font-family: var(--font-editorial);
  font-size: 2.4rem;
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: 0.01em;
  transition: color var(--t-base);
}

.detail-price-currency {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: color var(--t-base);
}

/* ─ Quantity row ─ */
.detail-qty-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.detail-qty-label {
  font-family: var(--font-ui);
  font-size: 0.70rem;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--t-base);
}

.detail-qty-controls {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-pill);
  padding: 4px 8px;
  transition: background var(--t-base), border-color var(--t-base);
}

.detail-qty-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  border: none;
  line-height: 1;
  transition: color var(--t-fast), background var(--t-fast);
}

.detail-qty-btn:hover {
  color: var(--accent-primary);
  background: var(--accent-glow-card);
}

.detail-qty-display {
  font-family: var(--font-editorial);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-primary);
  min-width: 24px;
  text-align: center;
  transition: color var(--t-base);
}

.btn-add-cart-detail {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  width: 100%;
  font-family: var(--font-ui);
  font-size: 0.80rem;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-on-accent);
  background: var(--accent-primary);
  border-radius: var(--radius-pill);
  padding: 16px var(--sp-6);
  cursor: pointer;
  border: none;
  transition:
    background var(--t-base),
    transform var(--t-fast),
    box-shadow var(--t-base);
  position: relative;
  overflow: hidden;
}

.btn-add-cart-detail::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--t-fast);
}

.btn-add-cart-detail:hover::after {
  background: rgba(255,255,255,0.08);
}

.btn-add-cart-detail:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px var(--accent-glow);
}

/* ─ Mechanism tags ─ */
.detail-mechanisms {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.detail-mechanism-tag {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  transition: all var(--t-base);
}

/* ─ Specs table ─ */
.detail-specs {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--t-base);
}

.detail-spec-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border-divider);
  transition: border-color var(--t-base), background var(--t-fast);
}

.detail-spec-row:last-child {
  border-bottom: none;
}

.detail-spec-row:hover {
  background: var(--bg-secondary);
}

.detail-spec-label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--t-base);
}

.detail-spec-value {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-primary);
  transition: color var(--t-base);
}

/* ─ Description block ─ */
.detail-desc-block {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-divider);
}

.detail-desc-title {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--t-base);
}

.detail-desc-text {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  line-height: 1.70;
  color: var(--text-secondary);
  transition: color var(--t-base);
}

/* ─ HPLC block in detail ─ */
.detail-hplc-block {
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--t-base);
}

.detail-hplc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-divider);
  transition: background var(--t-base), border-color var(--t-base);
}

.detail-hplc-label {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.detail-hplc-purity {
  font-family: var(--font-editorial);
  font-size: 1rem;
  font-weight: 400;
  color: var(--accent-primary);
}

/* ─ Sequence block ─ */
.detail-sequence-block {
  padding: var(--sp-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
  transition: background var(--t-base), border-color var(--t-base);
}

.detail-sequence-label {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-2);
}

.detail-sequence-value {
  font-family: 'SF Mono', 'Fira Mono', monospace;
  font-size: 0.72rem;
  line-height: 1.65;
  color: var(--accent-primary);
  word-break: break-all;
  letter-spacing: 0.04em;
}

/* ─ Research references block ─ */
.detail-research-block {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-divider);
}

.detail-research-title {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.detail-research-item {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text-secondary);
  padding-left: var(--sp-4);
  position: relative;
}

.detail-research-item::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-faint);
}


/* ═══════════════════════════════════════════════════════════════════════
   §14 — SCIENCE SECTION
   ═══════════════════════════════════════════════════════════════════════ */
#noma-science {
  padding: var(--sp-8) var(--section-px) var(--sp-16);
}

.science-container {
  display: flex;
  flex-direction: column;
  gap: var(--sp-16);
  max-width: var(--content-max);
  margin: 0 auto;
}

/* ─ Intro ─ */
.science-intro {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.science-intro-left {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.science-intro-right {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.science-title {
  font-size: clamp(2rem, 6vw, 3.6rem);
}

.science-lead {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 60ch;
  transition: color var(--t-base);
}

.science-lead-secondary {
  color: var(--text-muted);
}

/* ─ HPLC Chromatogram Block ─ */
.science-hplc-block {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: background var(--t-base), border-color var(--t-base);
}

.science-hplc-header {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-5) var(--sp-4);
  border-bottom: 1px solid var(--border-divider);
  transition: border-color var(--t-base);
}

.science-hplc-title {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  transition: color var(--t-base);
}

.science-hplc-method {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  line-height: 1.5;
  color: var(--text-faint);
  display: block;
  transition: color var(--t-base);
}

.science-hplc-result {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-start;
}

.hplc-result-value {
  font-family: var(--font-editorial);
  font-size: 2rem;
  font-weight: 300;
  color: var(--accent-primary);
  line-height: 1;
  transition: color var(--t-base);
}

.hplc-result-label {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  transition: color var(--t-base);
}

.science-hplc-chart {
  padding: var(--sp-5);
  overflow-x: auto;
  scrollbar-width: thin;
}

.science-hplc-chart svg {
  width: 100%;
  min-width: 600px;
  height: auto;
}

.science-hplc-footer {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--sp-3) var(--sp-5) var(--sp-4);
  border-top: 1px solid var(--border-divider);
  transition: border-color var(--t-base);
}

.hplc-footer-item {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  transition: color var(--t-base);
}

.hplc-footer-sep {
  display: none;
}

/* ─ Science Cards Grid ─ */
.science-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}

.science-card {
  position: relative;
  padding: var(--sp-5) var(--sp-5) var(--sp-5);
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--border-card);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transition:
    background var(--t-base),
    border-color var(--t-base),
    transform 300ms var(--ease-smooth),
    box-shadow 300ms var(--ease-smooth);
  overflow: hidden;
}

.science-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--border-metallic);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  pointer-events: none;
}

.science-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.science-card-num {
  font-family: var(--font-editorial);
  font-size: 3rem;
  font-weight: 300;
  color: var(--accent-primary);
  opacity: 0.20;
  line-height: 1;
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  pointer-events: none;
  transition: color var(--t-base), opacity var(--t-base);
}

.science-card-label {
  font-family: var(--font-ui);
  font-size: 0.60rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-primary);
  transition: color var(--t-base);
}

.science-card-title {
  font-family: var(--font-editorial);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: 0.02em;
  transition: color var(--t-base);
}

.science-card-desc {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--text-muted);
  transition: color var(--t-base);
  max-width: 36ch;
}

/* ─ Storage Table Block ─ */
.science-storage-block {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.science-storage-header {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.science-storage-title {
  font-family: var(--font-editorial);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  transition: color var(--t-base);
}

.science-storage-title em {
  font-style: italic;
  color: var(--accent-primary);
}

.science-storage-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
  transition: border-color var(--t-base);
}

.science-storage-table {
  min-width: 640px;
  border-collapse: collapse;
}

.science-storage-table thead {
  background: var(--bg-secondary);
  transition: background var(--t-base);
}

.science-storage-table thead th {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  border-bottom: 1px solid var(--border-divider);
  transition: color var(--t-base), border-color var(--t-base);
}

.science-storage-table tbody tr {
  border-bottom: 1px solid var(--border-divider);
  transition: background var(--t-fast), border-color var(--t-base);
}

.science-storage-table tbody tr:last-child {
  border-bottom: none;
}

.science-storage-table tbody tr:hover {
  background: var(--bg-secondary);
}

.science-storage-table tbody td {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: var(--sp-4);
  vertical-align: top;
  line-height: 1.55;
  transition: color var(--t-base);
}

.science-storage-table tbody td:first-child {
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
}

.science-storage-table tbody td:nth-child(2) {
  font-family: var(--font-editorial);
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--accent-primary);
  white-space: nowrap;
}

/* ─ SCB Compounds List ─ */
.science-compounds-block {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.scb-header {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.scb-title {
  font-family: var(--font-editorial);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  transition: color var(--t-base);
}

.scb-title em {
  font-style: italic;
  color: var(--accent-primary);
}

.scb-list {
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--t-base);
}

.scb-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-4);
  border-bottom: 1px solid var(--border-divider);
  cursor: pointer;
  transition:
    background var(--t-fast),
    border-color var(--t-base);
}

.scb-item:last-child {
  border-bottom: none;
}

.scb-item:hover {
  background: var(--bg-secondary);
}

.scb-item:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: -2px;
}

.scb-item-left {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex: 1;
  min-width: 0;
}

.scb-item-id {
  font-family: var(--font-editorial);
  font-size: 1rem;
  font-weight: 300;
  color: var(--accent-primary);
  opacity: 0.50;
  width: 28px;
  flex-shrink: 0;
  transition: color var(--t-base), opacity var(--t-fast);
}

.scb-item:hover .scb-item-id {
  opacity: 1;
}

.scb-item-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.scb-item-name {
  font-family: var(--font-editorial);
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.2;
  transition: color var(--t-base);
}

.scb-item-target {
  font-family: var(--font-ui);
  font-size: 0.70rem;
  line-height: 1.4;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 50ch;
  transition: color var(--t-base);
}

.scb-item-right {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

.scb-item-purity {
  font-family: var(--font-editorial);
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--accent-primary);
  transition: color var(--t-base);
}

.scb-item-arrow {
  color: var(--text-muted);
  font-size: 0.85rem;
  transition:
    color var(--t-fast),
    transform var(--t-base) var(--ease-out);
}

.scb-item:hover .scb-item-arrow {
  color: var(--accent-primary);
  transform: translateX(4px);
}

/* ─ Science Legal Block ─ */
.science-legal-block {
  display: flex;
  gap: var(--sp-5);
  align-items: flex-start;
  padding: var(--sp-6);
  background: var(--accent-glow-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-card);
  transition: background var(--t-base), border-color var(--t-base);
}

.science-legal-badge {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-primary);
  color: var(--text-on-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.10em;
  transition: background var(--t-base);
}

.science-legal-content {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.science-legal-title {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: color var(--t-base);
}

.science-legal-body {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--text-secondary);
  transition: color var(--t-base);
}


/* ═══════════════════════════════════════════════════════════════════════
   §15 — PROTOCOL SECTION
   ═══════════════════════════════════════════════════════════════════════ */
#noma-protocol {
  padding: var(--sp-8) var(--section-px) var(--sp-16);
}

.protocol-container {
  display: flex;
  flex-direction: column;
  gap: var(--sp-12);
  max-width: var(--content-max);
  margin: 0 auto;
}

/* ─ Protocol Intro ─ */
.protocol-intro {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.protocol-intro-left {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.protocol-intro-right {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.protocol-lead {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 60ch;
  transition: color var(--t-base);
}

.protocol-lead-secondary {
  color: var(--text-muted);
}

/* ─ Protocol Steps ─ */
.protocol-items {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color var(--t-base);
}

.protocol-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-5);
  padding: var(--sp-5) var(--sp-5);
  border-bottom: 1px solid var(--border-divider);
  transition: background var(--t-fast), border-color var(--t-base);
}

.protocol-item:last-child {
  border-bottom: none;
}

.protocol-item:hover {
  background: var(--bg-secondary);
}

.protocol-number {
  font-family: var(--font-editorial);
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--accent-primary);
  opacity: 0.50;
  line-height: 1;
  flex-shrink: 0;
  width: 36px;
  padding-top: 2px;
  transition: color var(--t-base), opacity var(--t-fast);
}

.protocol-item:hover .protocol-number {
  opacity: 1;
}

.protocol-item-body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  flex: 1;
}

.protocol-item-title {
  font-family: var(--font-editorial);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: 0.02em;
  transition: color var(--t-base);
}

.protocol-item-desc {
  font-family: var(--font-ui);
  font-size: 0.80rem;
  line-height: 1.65;
  color: var(--text-muted);
  transition: color var(--t-base);
}

/* ─ Protocol Legal Block ─ */
.protocol-legal-block {
  display: flex;
  gap: var(--sp-5);
  align-items: flex-start;
  padding: var(--sp-6);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  transition: background var(--t-base), border-color var(--t-base);
}

.protocol-legal-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  transition: background var(--t-base), border-color var(--t-base);
}

.protocol-legal-text {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex: 1;
}

.protocol-legal-title {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: color var(--t-base);
}

.protocol-body {
  font-family: var(--font-ui);
  font-size: 0.80rem;
  line-height: 1.70;
  color: var(--text-secondary);
  transition: color var(--t-base);
}

.protocol-body strong {
  font-weight: 600;
  color: var(--text-primary);
}

/* ─ Contact Block ─ */
.protocol-contact-block {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: background var(--t-base), border-color var(--t-base);
}

.protocol-contact-inner {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  padding: var(--sp-6);
}

.protocol-contact-label {
  font-family: var(--font-ui);
  font-size: 0.60rem;
  font-weight: 600;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-2);
  transition: color var(--t-base);
}

.protocol-contact-email {
  font-family: var(--font-editorial);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent-primary);
  letter-spacing: 0.02em;
  transition: color var(--t-base);
}

.protocol-contact-note {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--text-muted);
  transition: color var(--t-base);
}

.protocol-contact-cta {
  flex-shrink: 0;
}


/* ═══════════════════════════════════════════════════════════════════════
   §16 — FOOTER
   ═══════════════════════════════════════════════════════════════════════ */
#noma-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-divider);
  transition: background var(--t-base), border-color var(--t-base);
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--sp-12) var(--section-px) var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

/* ─ Footer Brand ─ */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  max-width: 320px;
}

.footer-logo {
  font-family: var(--font-editorial);
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.20em;
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-align: left;
  transition: color var(--t-base), opacity var(--t-fast);
}

.footer-logo:hover {
  opacity: 0.72;
}

.footer-tagline {
  font-family: var(--font-editorial);
  font-size: 0.95rem;
  font-style: italic;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  transition: color var(--t-base);
}

.footer-brand-desc {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--text-muted);
  transition: color var(--t-base);
}

.footer-brand-certs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-1);
}

.footer-cert-chip {
  font-family: var(--font-ui);
  font-size: 0.60rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: var(--accent-glow-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-pill);
  padding: 3px 8px;
  transition: all var(--t-base);
}

/* ─ Footer Nav Groups ─ */
.footer-nav-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer-nav-label {
  font-family: var(--font-ui);
  font-size: 0.60rem;
  font-weight: 700;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
  transition: color var(--t-base);
}

.footer-nav-link {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.80rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 3px 0;
  text-align: left;
  transition: color var(--t-fast), transform var(--t-fast);
}

.footer-nav-link:hover {
  color: var(--text-primary);
  transform: translateX(3px);
}

.footer-contact-info {
  font-family: var(--font-editorial);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--accent-primary);
  transition: color var(--t-base);
}

.footer-contact-note-small {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  color: var(--text-faint);
  transition: color var(--t-base);
}

/* ─ Footer Divider ─ */
.footer-divider {
  height: 1px;
  background: var(--border-divider);
  transition: background var(--t-base);
}

/* ─ Footer Bottom ─ */
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer-legal {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  line-height: 1.65;
  color: var(--text-faint);
  transition: color var(--t-base);
}

.footer-legal em {
  font-style: italic;
  color: var(--text-muted);
}

.footer-build {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  transition: color var(--t-base);
}


/* ═══════════════════════════════════════════════════════════════════════
   §17 — PAYMENT ALERT MODAL
   ═══════════════════════════════════════════════════════════════════════ */
.payment-alert-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-5);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t-base);
}

.payment-alert-overlay.modal-open {
  pointer-events: auto;
  opacity: 1;
}

.payment-alert-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(9, 10, 10, 0.60);
  cursor: pointer;
}

.payment-alert-panel {
  position: relative;
  z-index: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--sp-8) var(--sp-6);
  max-width: 440px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  text-align: center;
  box-shadow: var(--shadow-lift);
  transition: background var(--t-base), border-color var(--t-base);
}

.payment-alert-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--accent-glow-card);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  transition: background var(--t-base), border-color var(--t-base);
}

.payment-alert-title {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: color var(--t-base);
}

.payment-alert-body {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-secondary);
  transition: color var(--t-base);
}

.payment-alert-code-block {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: var(--sp-3) var(--sp-4);
  font-family: 'SF Mono', 'Fira Mono', 'Consolas', monospace;
  font-size: 0.72rem;
  color: var(--accent-primary);
  text-align: left;
  word-break: break-all;
  transition: background var(--t-base), border-color var(--t-base);
}

.payment-alert-close {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  border: none;
  transition: color var(--t-fast), background var(--t-fast);
}

.payment-alert-close:hover {
  color: var(--text-primary);
  background: var(--border-subtle);
}


/* ═══════════════════════════════════════════════════════════════════════
   §18 — MEDIA QUERIES · DESKTOP ESCALATION (Mobile-First)
   ═══════════════════════════════════════════════════════════════════════ */

/* ─ ≥ 480px ─ */
@media (min-width: 480px) {
  .hero-ctas {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .gate-certs {
    flex-wrap: nowrap;
  }

  .catalog-grid {
    grid-template-columns: 1fr 1fr;
  }

  .bs-carousel .product-card {
    flex: 0 0 60vw;
  }

  .science-grid {
    grid-template-columns: 1fr 1fr;
  }

  .science-hplc-header {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }

  .science-hplc-result {
    align-items: flex-end;
    text-align: right;
  }

  .hplc-footer-item,
  .hplc-footer-sep {
    display: inline;
  }

  .science-hplc-footer {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0;
    align-items: center;
  }
}

/* ─ ≥ 768px ─ */
@media (min-width: 768px) {
  :root {
    --header-h:   72px;
    --section-px: 40px;
    --section-pt: 100px;
    --cart-w:     400px;
  }

  /* Header */
  .header-nav {
    display: flex;
  }

  .hamburger-btn {
    display: none;
  }

  /* Home hero */
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--sp-12);
    padding: var(--sp-16) var(--section-px) var(--sp-8);
    min-height: calc(100vh - 72px);
  }

  .hero-h1 {
    font-size: clamp(3.2rem, 5.5vw, 5.2rem);
  }

  .hero-col-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 380px;
  }

  .hero-float-tag-3 {
    display: flex;
  }

  .hero-formula-tag {
    display: flex;
  }

  .hero-ghost-text {
    font-size: 22vw;
  }

  .br-desktop {
    display: block;
  }

  /* Cart panel */
  .cart-panel {
    max-width: var(--cart-w);
  }

  /* Catalog */
  .catalog-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .catalog-header-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--sp-2);
    flex-shrink: 0;
  }

  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .bs-carousel .product-card {
    flex: 0 0 320px;
  }

  /* Science section */
  .science-intro {
    flex-direction: row;
    gap: var(--sp-12);
    align-items: flex-start;
  }

  .science-intro-left {
    flex: 0 0 280px;
  }

  .science-intro-right {
    flex: 1;
  }

  .science-grid {
    grid-template-columns: 1fr 1fr;
  }

  .science-storage-title {
    font-size: 2.2rem;
  }

  /* Protocol section */
  .protocol-intro {
    flex-direction: row;
    gap: var(--sp-12);
    align-items: flex-start;
  }

  .protocol-intro-left {
    flex: 0 0 280px;
  }

  .protocol-intro-right {
    flex: 1;
  }

  .protocol-contact-inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }

  /* Footer */
  .footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--sp-8);
    align-items: start;
  }

  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ─ ≥ 1024px ─ */
@media (min-width: 1024px) {
  :root {
    --section-px: 60px;
  }

  .hero-grid {
    padding: var(--sp-20) var(--section-px) var(--sp-8);
  }

  .catalog-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .science-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Detail: two-column layout */
  .detail-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--sp-12);
    align-items: start;
  }

  /* Toda la columna de imágenes se pega junta (vial + thumbnails + HPLC) */
  .detail-col-images {
    position: sticky;
    top: calc(var(--header-h) + var(--sp-4));
    align-self: start;
    max-height: calc(100vh - var(--header-h) - var(--sp-8));
    overflow-y: auto;
    scrollbar-width: none;
  }

  .detail-col-images::-webkit-scrollbar {
    display: none;
  }

  /* La imagen principal ya no es sticky por sí sola */
  .detail-main-img {
    position: relative;
    top: auto;
  }

  /* Bestsellers: grid en desktop, sin scroll horizontal */
  .bs-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }

  .bs-carousel .product-card {
    max-width: none;
  }

  /* Catalog asymmetric padding */
  #noma-catalog {
    padding: var(--sp-10) var(--section-px) var(--sp-20);
  }

  #noma-science {
    padding: var(--sp-10) var(--section-px) var(--sp-20);
  }

  #noma-protocol {
    padding: var(--sp-10) var(--section-px) var(--sp-20);
  }

  .home-metrics {
    padding: var(--sp-6) var(--section-px) var(--sp-10);
  }
}

/* ─ ≥ 1280px ─ */
@media (min-width: 1280px) {
  :root {
    --section-px: 80px;
  }

  .hero-ghost-text {
    font-size: 20vw;
  }

  .catalog-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  /* Hero editorial asymmetric column padding */
  .hero-col-text {
    padding-left: 2vw;
  }

  .detail-grid {
    grid-template-columns: 480px 1fr;
    gap: var(--sp-16);
  }

  /* Columna de imágenes más alta en pantallas grandes */
  .detail-col-images {
    max-height: calc(100vh - var(--header-h) - var(--sp-6));
  }

  /* Bestsellers: hasta 5 columnas en pantallas anchas */
  .bs-carousel {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }

  /* Science scb-item target full display */
  .scb-item-target {
    white-space: normal;
    max-width: 70ch;
  }

  /* Floating tag-3 visible */
  .hero-float-tag-3 {
    left: -40px;
  }
}

/* ─ ≥ 1600px ─ */
@media (min-width: 1600px) {
  :root {
    --section-px: 100px;
  }

  .catalog-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}


/* ═══════════════════════════════════════════════════════════════════════
   §19 — REDUCED MOTION SAFETY
   ═══════════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .ticker-inner {
    animation: none;
  }

  .purity-ring-outer,
  .purity-ring-mid {
    animation: none;
  }

  .hero-orbit-ring,
  .hero-orbit-dot {
    animation: none;
  }

  .hero-float-tag {
    animation: none;
  }

  .hero-h1,
  .hero-subline,
  .hero-ctas,
  .hero-inline-certs {
    animation: none;
    opacity: 1;
    transform: none;
  }
}


/* ═══════════════════════════════════════════════════════════════════════
   §20 — FOCUS & ACCESSIBILITY
   ═══════════════════════════════════════════════════════════════════════ */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* ═══════════════════════════════════════════════════════════════════════
   §21 — SCROLLBAR GLOBAL
   ═══════════════════════════════════════════════════════════════════════ */
:root {
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-faint);
}

/* ═══════════════════════════════════════════════════════════════════════
   §22 — SELECTION STYLE
   ═══════════════════════════════════════════════════════════════════════ */
::selection {
  background: var(--accent-glow);
  color: var(--text-primary);
}

[data-theme="dark"] ::selection {
  background: var(--accent-gold-dim);
  color: var(--text-primary);
}