/* ============================================================
   1EIGHTY — Design Tokens
   ============================================================ */
@import url('https://api.fontshare.com/v2/css?f[]=cabinet-grotesk@900,800,700,500&f[]=satoshi@400,500,700,900&display=swap');

:root {
  /* ---- Type scale ---- */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.5rem;
  --text-hero: clamp(2.75rem, 6vw, 5rem);

  /* ---- Spacing ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 5rem;
  --space-16: 6rem;
  --space-20: 8rem;

  /* ---- Radius ---- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* ---- Motion ---- */
  --transition-interactive: 180ms cubic-bezier(0.2, 0.7, 0.3, 1);
  --transition-panel: 320ms cubic-bezier(0.16, 1, 0.3, 1);

  /* ---- Fonts ---- */
  --font-display: 'Cabinet Grotesk', 'Satoshi', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  /* ---- Brand accents (shared both modes) ---- */
  --color-primary: #FF2D3D;
  --color-primary-hover: #FF5060;
  --color-primary-dim: rgba(255, 45, 61, 0.12);
  --color-warning: #E8B23D;
  --color-warning-dim: rgba(232, 178, 61, 0.14);
  --color-success: #35C77E;

  --shadow-md: 0 12px 32px -8px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 60px -12px rgba(0, 0, 0, 0.55);
}

/* ---- Dark mode (default) ---- */
:root,
[data-theme='dark'] {
  --color-bg: #0A0A0B;
  --color-bg-alt: #0F1012;
  --color-surface: #17181B;
  --color-surface-raised: #1D1E22;
  --color-border: rgba(255, 255, 255, 0.09);
  --color-border-strong: rgba(255, 255, 255, 0.16);
  --color-text: #F5F5F4;
  --color-text-muted: #9A9CA3;
  --color-text-faint: #5B5D66;
  --color-overlay: rgba(5, 5, 6, 0.72);
}

/* ---- Light mode ---- */
[data-theme='light'] {
  --color-bg: #F7F6F4;
  --color-bg-alt: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-surface-raised: #FFFFFF;
  --color-border: rgba(10, 10, 11, 0.09);
  --color-border-strong: rgba(10, 10, 11, 0.18);
  --color-text: #14141A;
  --color-text-muted: #5B5D66;
  --color-text-faint: #9A9CA3;
  --color-overlay: rgba(20, 20, 22, 0.5);
  --color-primary: #E0202F;
  --color-primary-hover: #C4172A;
  --shadow-md: 0 12px 32px -8px rgba(20, 20, 22, 0.14);
  --shadow-lg: 0 24px 60px -12px rgba(20, 20, 22, 0.18);
}

/* ============================================================
   Base
   ============================================================ */
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-5);
}

section {
  padding-block: var(--space-16);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

h2.section-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.section-head p {
  color: var(--color-text-muted);
  max-width: 40ch;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  padding: 0.6rem 0.9rem;
}
.btn-ghost:hover {
  color: var(--color-primary);
}

.btn-block { width: 100%; }
.btn-sm { padding: 0.55rem 1rem; font-size: var(--text-xs); }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  height: 84px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}
.brand-logo img {
  height: 30px;
  width: auto;
}
[data-theme='light'] .brand-logo img.logo-for-dark { display: none; }
[data-theme='dark'] .brand-logo img.logo-for-light { display: none; }
:root:not([data-theme]) .brand-logo img.logo-for-light { display: none; }

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.main-nav a {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  position: relative;
}
.main-nav a:hover, .main-nav a.is-active {
  color: var(--color-text);
}
.main-nav a.is-active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -30px;
  height: 3px;
  background: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.icon-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  min-width: 20px;
  height: 20px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  padding-inline: 4px;
  border: 2px solid var(--color-bg);
}

.nav-toggle {
  display: none;
}

/* ============================================================
   Pages
   ============================================================ */
.page {
  display: none;
}
.page.is-active {
  display: block;
  animation: page-in 380ms cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes page-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding-top: var(--space-12);
  padding-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 70%;
  background: radial-gradient(circle at 30% 20%, var(--color-primary-dim), transparent 60%);
  pointer-events: none;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-10);
  align-items: center;
  position: relative;
}
.hero-copy .eyebrow { margin-bottom: var(--space-4); }
.hero-copy h1 {
  font-size: var(--text-hero);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.02;
  margin-bottom: var(--space-5);
}
.hero-copy h1 span { color: var(--color-primary); }
.hero-copy p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46ch;
  margin-bottom: var(--space-6);
}
.hero-ctas {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.warning-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-warning-dim);
  color: var(--color-warning);
  border: 1px solid rgba(232, 178, 61, 0.3);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-pill);
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
}
.hero-stats div {
  display: flex;
  flex-direction: column;
}
.hero-stats strong {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
}
.hero-stats span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual .visual-card {
  position: relative;
  background: linear-gradient(160deg, var(--color-surface), var(--color-bg-alt));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
}
.hero-visual img {
  border-radius: var(--radius-md);
}
.hero-visual .badge-float {
  position: absolute;
  top: -18px;
  right: -18px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xs);
  text-transform: uppercase;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  transform: rotate(6deg);
}

/* ============================================================
   Trust bar
   ============================================================ */
.trust-bar {
  background: var(--color-bg-alt);
  border-block: 1px solid var(--color-border);
  padding-block: var(--space-5);
}
.trust-bar .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  justify-content: center;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-text);
}
.trust-item svg { color: var(--color-primary); flex-shrink: 0; }

/* ============================================================
   Product grid
   ============================================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}
.product-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-3px);
}

.product-card .badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 2;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-pill);
}

.product-media {
  background: var(--color-bg-alt);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}
.product-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-body {
  padding: var(--space-4) var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}
.product-dose {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.product-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  line-height: 1.2;
}
.product-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex: 1;
}
.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.product-price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-primary);
}
.add-to-cart {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: var(--color-text);
  color: var(--color-bg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  width: 8.5rem;
  flex: 0 0 auto;
  white-space: nowrap;
}
.add-to-cart:hover {
  background: var(--color-primary);
  color: #fff;
}
.add-to-cart.is-added {
  background: var(--color-success);
  color: #fff;
}

.products-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.filter-chip {
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
}
.filter-chip:hover { color: var(--color-text); }
.filter-chip.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ============================================================
   Disclaimer / Compliance
   ============================================================ */
.disclaimer-band {
  background: var(--color-bg-alt);
  border-block: 1px solid var(--color-border);
}
.disclaimer-band .container {
  padding-block: var(--space-8);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  align-items: flex-start;
}
.disclaimer-band svg { color: var(--color-warning); }
.disclaimer-band h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-2);
}
.disclaimer-band p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 75ch;
}

/* ============================================================
   About strip (home)
   ============================================================ */
.about-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
.about-strip img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.about-copy h2 { margin-bottom: var(--space-4); }
.about-copy p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}
.about-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.about-list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
}
.about-list svg { color: var(--color-primary); flex-shrink: 0; margin-top: 3px; }

/* ============================================================
   Contact page
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-10);
}
.contact-info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}
.contact-detail {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  margin-bottom: var(--space-5);
}
.contact-detail svg { color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }
.contact-detail strong { display: block; font-size: var(--text-sm); }
.contact-detail span { color: var(--color-text-muted); font-size: var(--text-sm); }

.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.field label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}
.field input, .field textarea, .field select {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: var(--text-sm);
  color: var(--color-text);
  width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--color-primary);
  outline: none;
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}
.field-note {
  font-size: var(--text-xs);
  color: var(--color-warning);
  margin-top: var(--space-1);
  line-height: 1.5;
}
.field input:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.form-success {
  display: none;
  align-items: center;
  gap: var(--space-3);
  background: rgba(53, 199, 126, 0.12);
  border: 1px solid rgba(53, 199, 126, 0.35);
  color: var(--color-success);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.form-success.is-visible { display: flex; }

/* ============================================================
   Cart drawer
   ============================================================ */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-panel);
}
.cart-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 100vw);
  background: var(--color-bg-alt);
  border-left: 1px solid var(--color-border);
  z-index: 91;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-panel);
}
.cart-drawer.is-open {
  transform: translateX(0);
}
.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.cart-header h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: var(--text-lg);
}
.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.cart-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--space-12) var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.cart-empty svg { color: var(--color-text-faint); }

.cart-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: var(--space-3);
  align-items: center;
}
.cart-item img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}
.cart-item-name {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: 2px;
}
.cart-item-dose {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
.qty-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
}
.qty-stepper button {
  width: 26px;
  height: 26px;
  font-weight: 700;
  color: var(--color-text);
}
.qty-stepper span {
  min-width: 24px;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 700;
}
.cart-item-price {
  font-family: var(--font-display);
  font-weight: 800;
  text-align: right;
  white-space: nowrap;
}
.cart-item-remove {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: underline;
  grid-column: 3;
  text-align: right;
  margin-top: var(--space-1);
}
.cart-item-remove:hover { color: var(--color-primary); }

.cart-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-5);
}
.cart-total-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  margin-bottom: var(--space-4);
  text-transform: uppercase;
}
.clear-cart-link {
  display: block;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
  text-decoration: underline;
}
.clear-cart-link:hover { color: var(--color-primary); }

/* ============================================================
   Checkout modal
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 95;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-panel);
}
.modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}
.modal-panel {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(16px) scale(0.98);
  transition: transform var(--transition-panel);
}
.modal-overlay.is-open .modal-panel {
  transform: translateY(0) scale(1);
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-bg-alt);
}
.modal-head h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: var(--text-lg);
}
.modal-body { padding: var(--space-6); }

.payment-methods {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.payment-tile {
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  text-align: center;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  cursor: pointer;
}
.payment-tile:hover { border-color: var(--color-primary); }
.payment-tile.is-selected {
  border-color: var(--color-primary);
  background: var(--color-primary-dim);
  color: var(--color-primary);
}
.payment-detail {
  display: none;
}
.payment-detail.is-visible {
  display: block;
  margin-top: calc(-1 * var(--space-2));
  margin-bottom: var(--space-5);
}
.payment-detail-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: var(--color-primary-dim);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
}
.payment-detail-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary);
}
.payment-detail-handle {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  word-break: break-word;
}
.payment-detail-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.order-summary-mini {
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
}
.order-summary-mini .row {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
}
.order-summary-mini .row.total {
  color: var(--color-text);
  font-weight: 800;
  font-family: var(--font-display);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-2);
  margin-top: var(--space-2);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-10) var(--space-8);
}
.footer-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  text-align: center;
  margin-bottom: var(--space-6);
}
.footer-top img { height: 40px; }
.footer-nav {
  display: flex;
  gap: var(--space-6);
}
.footer-nav a {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.footer-nav a:hover { color: var(--color-primary); }

.footer-disclaimer-pill {
  display: block;
  width: fit-content;
  margin: 0 auto var(--space-6);
  background: var(--color-warning-dim);
  color: var(--color-warning);
  border: 1px solid rgba(232, 178, 61, 0.3);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-pill);
  text-align: center;
}
.footer-legal {
  max-width: 720px;
  margin: 0 auto;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  line-height: 1.7;
}
.footer-copyright {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-6);
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translate(-50%, 20px);
  background: var(--color-text);
  color: var(--color-bg);
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  z-index: 120;
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-panel), opacity var(--transition-panel);
  box-shadow: var(--shadow-md);
  max-width: min(92vw, 26rem);
  line-height: 1.4;
}
.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}
.toast svg { color: var(--color-success); flex-shrink: 0; }
.toast.is-visible { align-items: flex-start; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .about-strip { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  section { padding-block: var(--space-10); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero-stats { gap: var(--space-5); }
  .form-row { grid-template-columns: 1fr; }
  .cart-drawer { width: 100vw; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr 1fr; }
  .hero-copy h1 { font-size: clamp(2rem, 10vw, 2.75rem); }
  .product-footer {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }
  .product-footer .add-to-cart {
    width: 100%;
    justify-content: center;
  }
}

/* Mobile nav sheet */
.mobile-nav-sheet {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--color-bg);
  display: none;
  flex-direction: column;
  padding: var(--space-6);
}
.mobile-nav-sheet.is-open { display: flex; }
.mobile-nav-sheet .sheet-head {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-8);
}
.mobile-nav-sheet a {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  text-transform: uppercase;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  text-decoration: none;
}
.mobile-nav-sheet a:hover {
  color: var(--color-primary);
}

/* ============================================================
   Age / Research-Use Gate
   ============================================================ */
body.age-gate-active {
  overflow: hidden;
}
.age-gate {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  overflow-y: auto;
}
.age-gate.is-dismissed {
  display: none;
}
.age-gate-panel {
  width: 100%;
  max-width: 560px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8) var(--space-6);
  margin-block: var(--space-8);
}
.age-gate-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-pill);
  background: var(--color-warning-dim);
  color: var(--color-warning);
  margin-bottom: var(--space-5);
}
.age-gate-title {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}
.age-gate-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.age-gate-checks {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-block: var(--space-5) var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}
.age-gate-actions {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-3);
}
@media (max-width: 480px) {
  .age-gate-actions {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Certification checkboxes (age gate + checkout)
   ============================================================ */
.cert-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}
.cert-check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 0.1rem;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  display: grid;
  place-content: center;
  cursor: pointer;
}
.cert-check input[type="checkbox"]::before {
  content: '';
  width: 11px;
  height: 11px;
  transform: scale(0);
  transition: transform 120ms ease-in-out;
  box-shadow: inset 1em 1em var(--color-primary);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}
.cert-check input[type="checkbox"]:checked::before {
  transform: scale(1);
}
.cert-check input[type="checkbox"]:checked {
  border-color: var(--color-primary);
}
.cert-check a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.cert-check a:hover {
  color: var(--color-primary);
}
.cert-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
}
.btn:disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================================
   Legal / policy pages
   ============================================================ */
.legal-section {
  padding-block: var(--space-12) var(--space-16);
}
.legal-effective {
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}
.legal-content {
  max-width: 760px;
  margin-top: var(--space-8);
}
.legal-content h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: var(--text-lg);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.legal-content h3:first-of-type {
  margin-top: var(--space-6);
}
.legal-content h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
}
.legal-content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.legal-content ul {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.legal-content li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  list-style: disc;
}
.legal-content a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.legal-content a:hover {
  color: var(--color-primary);
}
.legal-content strong {
  color: var(--color-text);
}

/* ============================================================
   Footer legal nav
   ============================================================ */
.footer-legal-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-6) auto 0;
  max-width: 720px;
}
.footer-legal-nav a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.footer-legal-nav a:hover {
  color: var(--color-primary);
}
.footer-legal-nav span {
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}

/* ============ Bulk Pricing Page ============ */
.bulk-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-10);
  align-items: start;
}
.bulk-tier-card,
.bulk-calc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.bulk-tier-card h3,
.bulk-calc-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}
.bulk-tier-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-5);
}
.bulk-tier-table th {
  text-align: left;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  padding-block: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border-strong);
}
.bulk-tier-table td {
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-size: var(--text-base);
}
.bulk-tier-table td:last-child {
  color: var(--color-primary);
  font-weight: 700;
  text-align: right;
}
.bulk-tier-table th:last-child { text-align: right; }
.bulk-tier-table tr:last-child td { border-bottom: none; }
.bulk-tier-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.6;
}

.bulk-calc-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-4);
  align-items: start;
}
.qty-stepper {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-bg-alt);
}
.qty-stepper button {
  background: transparent;
  border: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  width: 40px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.qty-stepper button:hover { background: var(--color-surface-raised); }
.qty-stepper input {
  border: none;
  background: transparent;
  text-align: center;
  width: 100%;
  font-size: var(--text-sm);
  color: var(--color-text);
  padding: 0.75rem 0;
  -moz-appearance: textfield;
}
.qty-stepper input::-webkit-outer-spin-button,
.qty-stepper input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.qty-stepper input:focus { outline: none; }

.bulk-calc-results {
  margin-top: var(--space-2);
  padding: var(--space-5);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.bulk-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--space-2);
  font-size: var(--text-sm);
}
.bulk-result-row span { color: var(--color-text-muted); }
.bulk-result-row strong { font-family: var(--font-display); }
.bulk-highlight { color: var(--color-primary); }
.bulk-result-divider {
  height: 1px;
  background: var(--color-border-strong);
  margin-block: var(--space-3);
}
.bulk-savings strong { color: var(--color-warning); }
.bulk-total {
  padding-top: var(--space-3);
  margin-top: var(--space-2);
  border-top: 1px solid var(--color-border-strong);
}
.bulk-total span { color: var(--color-text); font-weight: 700; }
.bulk-total strong { font-size: var(--text-xl); color: var(--color-primary); }

.bulk-add-btn {
  width: 100%;
  margin-top: var(--space-5);
}
.bulk-calc-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
  text-align: center;
}

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

/* ============ Cart bulk-discount display ============ */
.cart-item-price-was {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: line-through;
  margin-left: var(--space-1);
}
.cart-item-discount-badge {
  margin-top: var(--space-1);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  text-align: right;
  white-space: nowrap;
}
.cart-savings-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: var(--color-warning);
  margin-bottom: var(--space-2);
}