/* PureBlink — South Africa | Mobile-first premium wellness UI */

:root {
  --white: #ffffff;
  --off-white: #f6fafb;
  --aqua-50: #ecfeff;
  --aqua-100: #cffafe;
  --aqua-200: #a5f3fc;
  --mint: #99f6e4;
  --ice: #7dd3fc;
  --navy: #0f172a;
  --charcoal: #1e293b;
  --muted: #64748b;
  --cta: #0ea5e9;
  --cta-hover: #0284c7;
  --accent: #22d3ee;
  --savings: #f59e0b;
  --glass: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.55);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 32px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 64px rgba(15, 23, 42, 0.12);
  --radius: 1rem;
  --radius-lg: 1.5rem;
  --font: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Outfit", var(--font);
  --header-h: 4.25rem;
  --announce-h: 2.75rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--charcoal);
  background: var(--off-white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--cta);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(1.85rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); }

p { margin: 0 0 1rem; }

ul { margin: 0; padding-left: 1.25rem; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* —— Layout —— */
.container {
  width: min(100% - 1.5rem, 72rem);
  margin-inline: auto;
}

.section {
  padding: 3rem 0;
}

@media (min-width: 768px) {
  .section { padding: 4.5rem 0; }
}

.section--tight { padding-top: 2rem; }

/* —— Gradient backgrounds —— */
.bg-gradient-hero {
  background: linear-gradient(165deg, var(--aqua-50) 0%, var(--white) 45%, var(--aqua-100) 100%);
}

.bg-gradient-soft {
  background: linear-gradient(180deg, var(--white) 0%, var(--aqua-50) 50%, var(--white) 100%);
}

.bg-gradient-navy {
  background: linear-gradient(145deg, var(--navy) 0%, #1e3a5f 100%);
  color: var(--white);
}

.bg-gradient-navy h2,
.bg-gradient-navy h3 { color: var(--white); }

/* —— Glass —— */
.glass {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.glass--dark {
  background: rgba(15, 23, 42, 0.45);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--white);
}

/* —— Advertising notice (top) —— */
.ad-notice {
  background: #0f172a;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.75rem;
  line-height: 1.45;
  text-align: center;
  padding: 0.5rem 0.75rem;
  position: relative;
  z-index: 61;
}

.ad-notice strong {
  color: var(--white);
  font-weight: 700;
}

.disclaimer-home-block {
  padding: 0 0 1rem;
}

.disclaimer-home {
  padding: 1.35rem 1.5rem;
  border-left: 4px solid var(--cta);
}

.disclaimer-home h2 {
  font-size: 1.05rem;
  margin: 0 0 0.65rem;
  color: var(--navy);
}

.disclaimer-home p,
.disclaimer-home li {
  font-size: 0.875rem;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.disclaimer-home ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}

.disclaimer-home li {
  margin-bottom: 0.35rem;
}

/* —— Announcement bar —— */
.announce {
  position: relative;
  z-index: 60;
  min-height: var(--announce-h);
  background: linear-gradient(90deg, var(--navy), #1e3a5f);
  color: var(--white);
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.announce__track {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.5rem 0.75rem;
  text-align: center;
}

.announce__slides {
  position: relative;
  min-height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.announce__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
  pointer-events: none;
  padding: 0 0.5rem;
}

.announce__slide.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.announce__cta {
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
}

.announce__cta:hover { color: var(--mint); text-decoration: none; }

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  transition: box-shadow 0.3s var(--ease-out);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.5rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--navy);
  text-decoration: none;
}

.logo:hover { text-decoration: none; }

.logo__mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, var(--ice), var(--mint));
  display: grid;
  place-items: center;
}

.nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  color: var(--charcoal);
  font-weight: 500;
  font-size: 0.9375rem;
  text-decoration: none;
}

.nav a:hover { color: var(--cta); }

.nav__cta {
  display: none;
}

@media (min-width: 1024px) {
  .nav { display: flex; }
  .nav__cta { display: inline-flex; }
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 0.5rem;
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 1.35rem;
  background: var(--navy);
  margin-inline: auto;
  transition: transform 0.25s, opacity 0.25s;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) { opacity: 0; }

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .menu-toggle { display: none; }
}

.mobile-nav {
  position: fixed;
  inset: 0;
  top: calc(var(--announce-h) + var(--header-h));
  background: var(--white);
  padding: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease-out);
  z-index: 45;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav a {
  display: block;
  padding: 1rem 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--navy);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  text-decoration: none;
}

.mobile-nav .btn {
  margin-top: 1rem;
  width: 100%;
  justify-content: center;
}

@media (min-width: 1024px) {
  .mobile-nav { display: none; }
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s, background 0.2s;
  min-height: 48px;
  touch-action: manipulation;
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: linear-gradient(135deg, var(--cta), #06b6d4);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.35);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--cta-hover), #0891b2);
  text-decoration: none;
  box-shadow: 0 6px 24px rgba(14, 165, 233, 0.45);
  transform: translateY(-2px);
}

.btn--secondary {
  background: var(--white);
  color: var(--navy);
  border: 2px solid rgba(14, 165, 233, 0.35);
}

.btn--secondary:hover {
  border-color: var(--cta);
  text-decoration: none;
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--navy);
  border: 2px solid rgba(148, 163, 184, 0.4);
}

.btn--ghost:hover {
  border-color: var(--cta);
  color: var(--cta);
  text-decoration: none;
}

.btn--light {
  background: var(--white);
  color: var(--navy);
}

.btn--light:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.btn--pulse {
  animation: btnPulse 2.5s ease-in-out infinite;
}

@keyframes btnPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(14, 165, 233, 0.35); }
  50% { box-shadow: 0 4px 28px rgba(34, 211, 238, 0.5); }
}

.btn--added {
  animation: addedPop 0.45s var(--ease-out);
}

@keyframes addedPop {
  0% { transform: scale(1); }
  40% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* —— Badges —— */
.badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 9999px;
  background: var(--savings);
  color: var(--navy);
}

.badge--mint {
  background: linear-gradient(135deg, var(--mint), var(--ice));
  color: var(--navy);
}

.badge--navy {
  background: var(--navy);
  color: var(--white);
}

/* —— Hero —— */
.hero {
  padding: 2.5rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.hero__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cta);
  margin-bottom: 0.75rem;
}

.hero__sub {
  font-size: 1.0625rem;
  color: var(--muted);
  max-width: 36ch;
  margin-bottom: 1.5rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.trust-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 9999px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  color: var(--charcoal);
}

.hero__visual {
  position: relative;
  min-height: 280px;
  display: grid;
  place-items: center;
}

@media (min-width: 1024px) {
  .hero__visual { min-height: 420px; }
}

/* Product bottle mockup (CSS) */
.bottle {
  position: relative;
  width: 140px;
  height: 280px;
  border-radius: 2rem 2rem 1.25rem 1.25rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, var(--aqua-100) 40%, var(--ice) 100%);
  box-shadow:
    var(--shadow-lg),
    inset 0 -20px 40px rgba(14, 165, 233, 0.15);
  z-index: 2;
  animation: floatY 6s ease-in-out infinite;
}

.bottle::before {
  content: "";
  position: absolute;
  top: -28px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 36px;
  background: linear-gradient(180deg, #e2e8f0, #94a3b8);
  border-radius: 0.5rem 0.5rem 0 0;
}

.bottle::after {
  content: "";
  position: absolute;
  inset: 12% 15%;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(255,255,255,0.6), transparent);
  pointer-events: none;
}

.bottle--sm { width: 100px; height: 200px; animation-duration: 5s; }
.bottle--night {
  background: linear-gradient(180deg, #1e293b 0%, #312e81 50%, #4c1d95 100%);
  box-shadow: var(--shadow-lg), inset 0 -20px 40px rgba(99, 102, 241, 0.25);
}

.bottle--digital {
  background: linear-gradient(180deg, #f0f9ff 0%, #bae6fd 45%, #0ea5e9 100%);
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero__orb {
  position: absolute;
  width: min(90vw, 380px);
  height: min(90vw, 380px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.35) 0%, transparent 65%);
  filter: blur(40px);
  z-index: 0;
}

.hero__savings {
  position: absolute;
  bottom: 0;
  right: 0;
  z-index: 3;
  padding: 1rem 1.25rem;
  max-width: 220px;
}

.hero__savings p {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
}

.hero__savings span {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* —— Scroll reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* —— Cards grid —— */
.grid-2 {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

.grid-3 {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.grid-products {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-products { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-products { grid-template-columns: repeat(3, 1fr); }
}

.problem-card {
  padding: 1.5rem;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.problem-card__icon {
  width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  color: var(--cta);
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cta);
  margin-bottom: 0.5rem;
}

.text-center { text-align: center; }

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

/* —— Product cards —— */
.product-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  height: 100%;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}

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

.product-card__img {
  height: 200px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
}

.product-card__img img {
  max-height: 200px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.hero-product-shot {
  position: relative;
  z-index: 2;
  max-height: min(52vh, 360px);
  width: auto;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(15, 23, 42, 0.12));
  animation: floatY 6s ease-in-out infinite;
}

.spotlight__visual img {
  max-height: 280px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  position: relative;
  z-index: 2;
}

.product-card__tag {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.product-card__price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0.75rem 0 1rem;
}

.price-current {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--navy);
}

.price-was {
  font-size: 1rem;
  color: var(--muted);
  text-decoration: line-through;
}

.product-card .btn { width: 100%; margin-top: auto; }

/* —— Spotlight —— */
.spotlight {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding: 2rem;
}

@media (min-width: 900px) {
  .spotlight {
    grid-template-columns: 1fr 1.1fr;
    padding: 2.5rem 3rem;
  }
}

.spotlight__visual {
  display: grid;
  place-items: center;
  min-height: 280px;
}

.spotlight__bullets li {
  margin-bottom: 0.5rem;
  color: var(--charcoal);
}

.bundle-math {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(14, 165, 233, 0.1);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--navy);
}

/* —— Steps —— */
.steps {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(4, 1fr); }
}

.step-card {
  padding: 1.5rem;
  text-align: center;
}

.step-num {
  width: 2.5rem;
  height: 2.5rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cta), var(--accent));
  color: var(--white);
  font-weight: 800;
  display: grid;
  place-items: center;
  font-size: 1rem;
}

/* —— Lifestyle grid —— */
.lifestyle-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .lifestyle-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .lifestyle-grid { grid-template-columns: repeat(3, 1fr); }
}

.lifestyle-card {
  padding: 1.75rem 1.5rem;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--aqua-100), var(--white));
  border: 1px solid rgba(148, 163, 184, 0.15);
  transition: transform 0.25s var(--ease-out);
}

.lifestyle-card:hover {
  transform: translateY(-4px);
}

.lifestyle-card h3 { margin-bottom: 0.35rem; font-size: 1.1rem; }
.lifestyle-card p { margin: 0; font-size: 0.875rem; color: var(--muted); }

.lifestyle-card__icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  opacity: 0.35;
  font-size: 2.5rem;
}

/* —— Promo banners —— */
.promo-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .promo-row { grid-template-columns: repeat(2, 1fr); }
}

.promo-banner {
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: transform 0.25s var(--ease-out);
}

.promo-banner:hover { transform: scale(1.01); }

.promo-banner--a {
  background: linear-gradient(125deg, #0ea5e9, #06b6d4, #22d3ee);
  color: var(--white);
}

.promo-banner--b {
  background: linear-gradient(125deg, #1e3a5f, #0f172a);
  color: var(--white);
}

.promo-banner h3 { color: inherit; font-size: 1.5rem; margin-bottom: 0.5rem; }
.promo-banner p { opacity: 0.95; margin-bottom: 1rem; max-width: 32ch; }

.promo-banner .glass--dark {
  align-self: flex-start;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

/* —— Reviews —— */
.reviews-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
}

.review-card {
  padding: 1.5rem;
}

.review-stars {
  color: var(--savings);
  letter-spacing: 0.15em;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.review-meta {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 1rem;
  font-weight: 600;
}

.review-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ice), var(--mint));
  display: inline-grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--navy);
  margin-right: 0.5rem;
  vertical-align: middle;
}

/* —— Stats / trust counters —— */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .stats-row { grid-template-columns: repeat(4, 1fr); }
}

.stat-item h3 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-variant-numeric: tabular-nums;
  color: var(--cta);
  margin-bottom: 0.25rem;
}

.stat-item p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
  font-weight: 500;
}

/* —— Bundle table —— */
.bundle-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .bundle-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
  .bundle-grid { grid-template-columns: repeat(4, 1fr); }
}

.bundle-card {
  position: relative;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: center;
  position: relative;
  transition: transform 0.25s var(--ease-out);
}

.bundle-card:hover { transform: translateY(-4px); }

.bundle-card--featured {
  border: 2px solid var(--cta);
  box-shadow: 0 8px 40px rgba(14, 165, 233, 0.2);
}

.bundle-card .price-current { display: block; margin: 0.5rem 0; }

/* —— FAQ —— */
.faq-list details {
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid rgba(148, 163, 184, 0.2);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-list summary {
  padding: 1.1rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--cta);
  font-weight: 700;
}

.faq-list details[open] summary::after { content: "−"; }

.faq-list .faq-a {
  padding: 0 1.25rem 1.1rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* —— Contact —— */
.contact-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 1.1fr; }
}

.contact-info {
  padding: 1.75rem;
}

.contact-info a { color: var(--navy); font-weight: 600; }

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--navy);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-family: var(--font);
  border: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: var(--radius);
  min-height: 48px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group textarea { min-height: 140px; resize: vertical; }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--cta);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

/* —— Footer —— */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.85);
  padding: 3rem 0 2rem;
  font-size: 0.875rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}

.site-footer a:hover { color: var(--accent); text-decoration: underline; }

.footer-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

.footer-brand .logo { color: var(--white); margin-bottom: 0.75rem; }

.footer-brand p { opacity: 0.85; margin: 0; max-width: 28ch; }

.footer-col h4 {
  color: var(--white);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li { margin-bottom: 0.5rem; }

.footer-disclaimer {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.75rem;
  opacity: 0.75;
  line-height: 1.5;
}

/* —— Sticky mobile CTA —— */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  padding: 0.75rem 1rem;
  padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  transform: translateY(100%);
  transition: transform 0.35s var(--ease-out);
  box-shadow: 0 -8px 32px rgba(15, 23, 42, 0.08);
}

.sticky-cta.is-visible {
  transform: translateY(0);
}

.sticky-cta__price {
  font-weight: 800;
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--navy);
}

.sticky-cta .btn {
  flex: 1;
  min-width: 0;
  max-width: 160px;
}

.sticky-cta {
  flex-wrap: wrap;
  justify-content: flex-end;
}

@media (min-width: 1024px) {
  .sticky-cta { display: none; }
}

body.has-sticky-pad {
  padding-bottom: 5rem;
}

@media (min-width: 1024px) {
  body.has-sticky-pad { padding-bottom: 0; }
}

/* —— Inner pages —— */
.page-hero {
  padding: 2.5rem 0 2rem;
  background: linear-gradient(180deg, var(--aqua-50), var(--white));
}

.page-hero h1 { margin-bottom: 0.5rem; }

.prose {
  max-width: 48rem;
}

.prose h2 {
  margin-top: 2rem;
  font-size: 1.35rem;
}

.prose p, .prose li { color: var(--muted); }

.legal-page .section { padding-top: 2rem; }

/* —— Shop filters —— */
.shop-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

/* —— Product page layout —— */
.product-layout {
  display: grid;
  gap: 2rem;
  padding: 2rem 0 4rem;
}

@media (min-width: 900px) {
  .product-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.product-gallery {
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, var(--aqua-50), var(--white));
  min-height: 320px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.product-gallery > img {
  max-height: min(52vh, 400px);
  width: auto;
  max-width: 100%;
  object-fit: contain;
  position: relative;
  z-index: 2;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .bottle,
  .hero-product-shot,
  .drop-icon,
  .btn--pulse {
    animation: none !important;
  }
  .announce__slide {
    transition: none !important;
  }
}

.qty-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
}

.qty-row label { font-weight: 600; }

.qty-controls {
  display: flex;
  align-items: center;
  border: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: var(--radius);
  overflow: hidden;
}

.qty-controls button {
  width: 44px;
  height: 44px;
  border: none;
  background: var(--off-white);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background 0.2s;
}

.qty-controls button:hover { background: var(--aqua-100); }

.qty-controls input {
  width: 3rem;
  border: none;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.5rem;
}

.related-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .related-grid { grid-template-columns: repeat(3, 1fr); }
}

/* —— Water drop icon animation —— */
.drop-icon {
  animation: dropPulse 3s ease-in-out infinite;
}

@keyframes dropPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.85; }
}

/* —— Parallax subtle —— */
.parallax-slow {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* —— Basket (header) —— */
.header-cart-wrap {
  display: flex;
  align-items: center;
}

.header-cart {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  color: var(--navy);
  text-decoration: none;
  transition: background 0.2s;
}

.header-cart:hover {
  background: var(--aqua-100);
  text-decoration: none;
}

.header-cart__icon {
  display: grid;
  place-items: center;
}

.header-cart__badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.25rem;
  font-size: 0.65rem;
  font-weight: 800;
  line-height: 1.15rem;
  text-align: center;
  border-radius: 9999px;
  background: var(--cta);
  color: var(--white);
}

.header-cart__badge.is-empty {
  opacity: 0.35;
}

@media (max-width: 1023px) {
  .header-cart-wrap {
    margin-left: auto;
    margin-right: 0.5rem;
  }
}

/* —— Cart page —— */
.cart-empty {
  padding: 2.5rem 1.5rem;
  text-align: center;
  max-width: 28rem;
  margin: 0 auto;
}

.cart-layout {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .cart-layout {
    grid-template-columns: 1fr 340px;
    align-items: start;
  }
}

.cart-table-wrap {
  overflow-x: auto;
  padding: 0;
}

.cart-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.cart-table th,
.cart-table td {
  padding: 1rem 0.75rem;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.cart-table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.cart-line {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cart-line img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 0.5rem;
  background: var(--off-white);
}

.cart-inline-qty {
  max-width: 9rem;
}

.cart-summary {
  padding: 1.5rem;
  position: sticky;
  top: calc(var(--announce-h) + var(--header-h) + 0.5rem);
}

.cart-summary h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.cart-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.5rem 0;
  font-size: 0.9375rem;
}

.cart-row--total {
  font-size: 1.25rem;
  font-weight: 800;
  font-family: var(--font-display);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
}

.cart-hint {
  font-size: 0.8125rem;
  margin: 0.75rem 0 1rem;
}

.btn--block {
  display: flex;
  width: 100%;
  margin-top: 0.5rem;
  justify-content: center;
}

/* —— Checkout —— */
.checkout-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 960px) {
  .checkout-grid {
    grid-template-columns: 1fr 380px;
    align-items: start;
  }
}

.checkout-fieldset {
  border: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.checkout-fieldset legend {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--navy);
}

.checkout-grid-2 {
  display: grid;
  gap: 1rem;
}

@media (min-width: 560px) {
  .checkout-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.checkout-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

.checkout-line--muted {
  color: var(--muted);
  font-size: 0.875rem;
}

.checkout-total {
  font-weight: 800;
  font-size: 1.15rem;
  font-family: var(--font-display);
  padding-top: 0.75rem;
  margin-top: 0.5rem;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
}

.checkout-summary-box {
  padding: 1.5rem;
  position: sticky;
  top: calc(var(--announce-h) + var(--header-h) + 0.5rem);
}

.order-success-card {
  max-width: 36rem;
  margin: 0 auto;
  padding: 2rem;
  text-align: left;
}

.order-ref {
  font-size: 1.1rem;
}

/* —— Compliance & Disclaimers —— */
.scientific-references {
  background: var(--aqua-50);
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  margin-top: 2rem;
}

.ref-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.ref-item {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--muted);
  padding-left: 1.5rem;
  position: relative;
}

.ref-item::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--cta);
  font-weight: 700;
}

.sticky-health-disclaimer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #0f172a;
  color: #f8fafc;
  padding: 0.75rem 1rem;
  z-index: 1000;
  font-size: 0.7rem;
  line-height: 1.4;
  text-align: center;
  border-top: 2px solid var(--cta);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

@media (min-width: 768px) {
  .sticky-health-disclaimer {
    font-size: 0.75rem;
    padding: 0.5rem 2rem;
  }
}

.sticky-health-disclaimer strong {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.footer-disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  font-size: 0.75rem;
}

.legal-notice-bold {
  color: var(--white);
  font-weight: 600;
}

/* —— Enhanced Footer Disclaimers & Research —— */
.footer-references {
  margin-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 2rem;
}

.footer-references h5 {
  color: var(--white);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.disclaimer-highlight-box {
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.3);
  border-left: 4px solid var(--cta);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin: 2rem 0;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.15);
}

.disclaimer-highlight-box p {
  margin-bottom: 0.75rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8125rem;
}

.disclaimer-highlight-box p:last-child {
  margin-bottom: 0;
}

.disclaimer-tag {
  display: inline-block;
  background: var(--cta);
  color: var(--white);
  padding: 0.25rem 0.65rem;
  font-size: 0.625rem;
  font-weight: 800;
  text-transform: uppercase;
  border-radius: 4px;
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}