/* =========================================================
   SUPERBARKS — Brand Design System
   Navy + Cyan identity | Classy, conversion-focused
   ========================================================= */

:root {
  /* Brand palette (derived from logo) */
  --navy-900: #0e2a47;
  --navy-800: #14376b;     /* primary deep navy from logo */
  --navy-700: #1d4a8a;
  --navy-500: #2f6bbf;
  --cyan-500: #2bb7f3;     /* logo accent cyan */
  --cyan-400: #4ec6f7;
  --cyan-100: #d9f0fc;
  --cyan-50:  #eaf6fd;

  /* Neutrals */
  --ink: #0b1a2c;
  --ink-soft: #2b3a4f;
  --muted: #6b7a91;
  --line: #e6ecf3;
  --bg: #ffffff;
  --bg-soft: #f6f9fc;
  --bg-cream: #fbf7f0;

  /* Feedback */
  --wa: #25D366;
  --wa-dark: #128C7E;
  --star: #f6b93b;
  --ok: #16a34a;

  /* System */
  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(14,42,71,.06);
  --shadow-md: 0 10px 30px rgba(14,42,71,.08);
  --shadow-lg: 0 20px 50px rgba(14,42,71,.12);

  --container: 1240px;
  --font-display: "Fraunces", "Playfair Display", Georgia, serif;
  --font-body: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

/* -------- Reset & base -------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; color: var(--navy-800); line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.2vw, 2.8rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; }

/* -------- Announcement bar -------- */
.announcement {
  background: var(--navy-800);
  color: #fff;
  font-size: .85rem;
  letter-spacing: .04em;
  text-align: center;
  padding: 10px 16px;
  font-weight: 500;
}
.announcement strong { color: var(--cyan-400); }

/* -------- Header / Nav -------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 38px; width: auto; }
.nav ul { display: flex; gap: 32px; list-style: none; }
.nav ul a {
  font-weight: 500; font-size: .95rem; color: var(--ink-soft);
  position: relative; padding: 6px 0;
  transition: color .2s ease;
}
.nav ul a:hover { color: var(--navy-800); }
.nav ul a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--cyan-500);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s ease;
}
.nav ul a:hover::after, .nav ul a.active::after { transform: scaleX(1); }
.nav-actions { display: flex; gap: 12px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px;
  font-weight: 600; font-size: .9rem; letter-spacing: .02em;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary { background: var(--navy-800); color: #fff; }
.btn-primary:hover { background: var(--navy-900); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-cyan { background: var(--cyan-500); color: #fff; }
.btn-cyan:hover { background: var(--cyan-400); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--navy-800); border: 1.5px solid var(--navy-800); }
.btn-ghost:hover { background: var(--navy-800); color: #fff; }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: var(--wa-dark); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }

.hamburger { display: none; background: none; border: none; padding: 8px; cursor: pointer; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--navy-800); margin: 5px 0; transition: .3s; }

/* -------- Hero -------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--cyan-50) 0%, #ffffff 55%, var(--cyan-50) 100%);
  padding: 80px 0 120px;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -120px; right: -80px;
  width: 560px; height: 560px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(43,183,243,.20), transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -140px; left: -100px;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(20,55,107,.10), transparent 65%);
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px;
  align-items: center; position: relative; z-index: 1;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px;
  background: #fff; border: 1px solid var(--cyan-100);
  color: var(--navy-800); font-weight: 600; font-size: .8rem;
  letter-spacing: .08em; text-transform: uppercase;
  box-shadow: var(--shadow-sm);
}
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan-500); box-shadow: 0 0 0 4px rgba(43,183,243,.2); }
.hero h1 { margin: 22px 0 20px; }
.hero h1 em { font-style: italic; color: var(--cyan-500); font-weight: 500; }
.hero-lede {
  font-size: 1.15rem; color: var(--ink-soft); max-width: 540px; margin-bottom: 32px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-trust { display: flex; gap: 28px; flex-wrap: wrap; }
.hero-trust div { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: var(--ink-soft); font-weight: 500; }
.hero-trust svg { width: 20px; height: 20px; color: var(--cyan-500); flex-shrink: 0; }

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 540px;
  margin-left: auto;
}
.hero-visual-blob {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--navy-800), var(--cyan-500));
  border-radius: 42% 58% 64% 36% / 40% 44% 56% 60%;
  animation: blob 18s ease-in-out infinite;
  box-shadow: var(--shadow-lg);
}
@keyframes blob {
  0%, 100% { border-radius: 42% 58% 64% 36% / 40% 44% 56% 60%; }
  50% { border-radius: 56% 44% 38% 62% / 52% 58% 42% 48%; }
}
.hero-visual-content {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: #fff; flex-direction: column;
  padding: 40px; text-align: center;
}
.hero-visual-content .badge-ring {
  width: 180px; height: 180px; border-radius: 50%;
  background: rgba(255,255,255,.12);
  border: 2px dashed rgba(255,255,255,.4);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 600;
  flex-direction: column; margin-bottom: 20px;
  animation: spin 30s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hero-visual-content .badge-ring span { animation: spin 30s linear infinite reverse; }

/* -------- Marquee (trust strip) -------- */
.trust-strip {
  background: var(--navy-800);
  color: #fff;
  padding: 22px 0;
  overflow: hidden;
}
.marquee {
  display: flex; gap: 60px;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 1.15rem; font-style: italic;
  font-weight: 500;
  letter-spacing: .02em;
}
.marquee span { display: inline-flex; align-items: center; gap: 14px; }
.marquee .sep { color: var(--cyan-400); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* -------- Section headers -------- */
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .kicker {
  font-size: .8rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--cyan-500); font-weight: 700; margin-bottom: 12px;
}
.section-head p { color: var(--ink-soft); margin-top: 16px; font-size: 1.05rem; }

/* -------- Products -------- */
.products {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px;
}
.product-card {
  background: #fff;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  display: flex; flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--cyan-100);
}
.product-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--cyan-50), #fff);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.product-media::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(43,183,243,.15), transparent 50%);
}
.product-media .tin {
  position: relative; z-index: 1;
  width: 68%; aspect-ratio: 3 / 4;
  background: linear-gradient(165deg, #fff 0%, #f0f6fb 100%);
  border-radius: 24px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 20px; text-align: center;
  transition: transform .4s ease;
}
.product-card:hover .product-media .tin { transform: scale(1.04) rotate(-1deg); }
.product-media .tin-label {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 700;
  color: var(--navy-800);
  letter-spacing: -0.02em;
}
.product-media .tin-label sup { font-size: .5em; vertical-align: super; }
.product-media .tin-tag {
  display: inline-block; margin-top: 10px;
  padding: 4px 12px; border-radius: 999px;
  background: var(--cyan-500); color: #fff;
  font-size: .7rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase;
}
.product-media .tin-sub {
  margin-top: 14px; font-size: .78rem; color: var(--muted);
  letter-spacing: .1em; text-transform: uppercase;
}
.product-badge {
  position: absolute; top: 18px; left: 18px;
  background: var(--navy-800); color: #fff;
  padding: 6px 14px; border-radius: 999px;
  font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  z-index: 2;
}

.product-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { margin-bottom: 6px; }
.product-body .tagline { color: var(--muted); font-size: .9rem; margin-bottom: 16px; font-style: italic; }
.product-body .bullets { list-style: none; margin-bottom: 22px; }
.product-body .bullets li {
  display: flex; gap: 10px; padding: 6px 0;
  font-size: .92rem; color: var(--ink-soft);
}
.product-body .bullets li::before {
  content: '✓'; color: var(--cyan-500); font-weight: 700; flex-shrink: 0;
}
.product-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.product-price { display: flex; align-items: baseline; gap: 10px; }
.product-price .amount { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: var(--navy-800); }
.product-price .strike { color: var(--muted); text-decoration: line-through; font-size: .9rem; }

/* -------- Concerns grid -------- */
.concerns {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.concern-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 32px 24px;
  text-align: center;
  transition: all .3s ease;
  cursor: pointer;
}
.concern-card:hover {
  border-color: var(--cyan-500);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.concern-icon {
  width: 72px; height: 72px; border-radius: 20px;
  background: linear-gradient(135deg, var(--cyan-50), var(--cyan-100));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
  color: var(--navy-800);
  transition: all .3s ease;
}
.concern-card:hover .concern-icon {
  background: linear-gradient(135deg, var(--navy-800), var(--cyan-500));
  color: #fff;
  transform: rotate(-6deg);
}
.concern-icon svg { width: 36px; height: 36px; }
.concern-card h4 { font-size: 1.1rem; color: var(--navy-800); margin-bottom: 8px; font-family: var(--font-display); }
.concern-card p { font-size: .88rem; color: var(--muted); }

/* -------- Science / how-it-works -------- */
.science {
  background: var(--bg-soft);
}
.science-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 48px;
}
.science-step {
  background: #fff;
  border-radius: var(--radius-l);
  padding: 36px 28px;
  position: relative;
  border: 1px solid var(--line);
}
.science-step .step-num {
  font-family: var(--font-display);
  font-size: 3.5rem; font-weight: 700;
  color: var(--cyan-100);
  line-height: 1; margin-bottom: 10px;
}
.science-step h3 { font-size: 1.25rem; margin-bottom: 10px; }
.science-step p { color: var(--ink-soft); font-size: .95rem; }

/* -------- Testimonials -------- */
.testimonials { background: var(--navy-800); color: #fff; }
.testimonials h2 { color: #fff; }
.testimonials .section-head .kicker { color: var(--cyan-400); }
.testimonials .section-head p { color: rgba(255,255,255,.75); }

.testi-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.testi-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-l);
  padding: 32px 28px;
  backdrop-filter: blur(10px);
  transition: all .3s ease;
}
.testi-card:hover {
  background: rgba(255,255,255,.09);
  border-color: var(--cyan-400);
  transform: translateY(-3px);
}
.testi-stars { color: var(--star); font-size: 1rem; margin-bottom: 14px; letter-spacing: .1em; }
.testi-quote {
  font-family: var(--font-display); font-size: 1.05rem;
  font-style: italic; line-height: 1.5; margin-bottom: 20px;
  color: rgba(255,255,255,.92);
}
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan-500), var(--cyan-400));
  display: flex; align-items: center; justify-content: center;
  color: var(--navy-800); font-weight: 700; font-size: 1rem;
}
.testi-name { font-weight: 600; font-size: .95rem; }
.testi-meta { font-size: .8rem; color: rgba(255,255,255,.6); }

/* -------- Promise / values strip -------- */
.promise {
  background: var(--bg-cream);
  padding: 60px 0;
}
.promise-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  text-align: center;
}
.promise-item svg { width: 40px; height: 40px; color: var(--navy-800); margin: 0 auto 14px; }
.promise-item h4 { font-size: 1rem; color: var(--navy-800); margin-bottom: 4px; font-family: var(--font-body); font-weight: 700; }
.promise-item p { font-size: .85rem; color: var(--muted); }

/* -------- CTA banner -------- */
.cta-banner {
  background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-700) 100%);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  position: relative; overflow: hidden;
  color: #fff;
  text-align: center;
}
.cta-banner::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43,183,243,.35), transparent 60%);
}
.cta-banner::after {
  content: ''; position: absolute; bottom: -80px; left: -60px;
  width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43,183,243,.25), transparent 65%);
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { color: #fff; margin-bottom: 14px; }
.cta-banner p { color: rgba(255,255,255,.85); max-width: 600px; margin: 0 auto 32px; font-size: 1.05rem; }

/* -------- FAQ -------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .2s ease;
}
.faq-item:hover { border-color: var(--cyan-100); }
.faq-q {
  width: 100%; padding: 22px 26px;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  text-align: left; font-size: 1.02rem; font-weight: 600;
  color: var(--navy-800);
  transition: background .2s ease;
}
.faq-q:hover { background: var(--bg-soft); }
.faq-icon {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: var(--cyan-50); color: var(--cyan-500);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 300;
  transition: all .3s ease;
}
.faq-item.open .faq-icon { background: var(--navy-800); color: #fff; transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  padding: 0 26px;
  color: var(--ink-soft); font-size: .95rem;
}
.faq-item.open .faq-a { max-height: 400px; padding: 0 26px 24px; }

/* -------- Footer -------- */
.site-footer {
  background: var(--navy-900);
  color: rgba(255,255,255,.8);
  padding: 72px 0 24px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px;
  margin-bottom: 48px;
}
.footer-brand img { height: 42px; margin-bottom: 18px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: .92rem; line-height: 1.7; color: rgba(255,255,255,.65); max-width: 320px; }
.footer-col h5 {
  font-family: var(--font-body); font-weight: 700; font-size: .8rem;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--cyan-400); margin-bottom: 20px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: .92rem; color: rgba(255,255,255,.7); transition: color .2s ease; }
.footer-col a:hover { color: var(--cyan-400); }
.footer-col .social { display: flex; gap: 12px; }
.footer-col .social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  transition: all .2s ease;
}
.footer-col .social a:hover { background: var(--cyan-500); }
.footer-col .social svg { width: 16px; height: 16px; color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-size: .82rem; color: rgba(255,255,255,.5);
}

/* -------- Floating WhatsApp -------- */
.wa-float {
  position: fixed; bottom: 28px; right: 28px;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--wa);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,.45);
  z-index: 200;
  transition: transform .2s ease;
  animation: pulse 2.5s ease-in-out infinite;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; color: #fff; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.4); }
  50% { box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 0 0 14px rgba(37,211,102,0); }
}

/* =========================================================
   PRODUCT DETAIL PAGE
   ========================================================= */
.pd-wrap {
  padding: 60px 0 80px;
  background: linear-gradient(180deg, var(--cyan-50) 0%, #fff 100%);
}
.pd-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: start;
}
.pd-gallery {
  position: sticky; top: 100px;
}
.pd-main-img {
  aspect-ratio: 1;
  background: #fff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  padding: 60px; position: relative; overflow: hidden;
}
.pd-main-img::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 30%, var(--cyan-50), transparent 60%);
}
.pd-tin {
  position: relative; z-index: 1;
  width: 75%; aspect-ratio: 3 / 4;
  background: linear-gradient(165deg, #fff 0%, #eef6fc 100%);
  border-radius: 32px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 30px; text-align: center;
}
.pd-tin .label { font-family: var(--font-display); font-size: 3rem; font-weight: 700; color: var(--navy-800); letter-spacing: -.02em; }
.pd-tin .label sup { font-size: .45em; vertical-align: super; }
.pd-tin .tag { display: inline-block; margin-top: 14px; padding: 6px 18px; border-radius: 999px; background: var(--cyan-500); color: #fff; font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.pd-tin .sub { margin-top: 18px; font-size: .82rem; color: var(--muted); letter-spacing: .12em; text-transform: uppercase; }
.pd-tin .netwt { margin-top: 22px; font-size: .8rem; color: var(--navy-800); font-weight: 600; }

.pd-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 14px; }
.pd-thumb {
  aspect-ratio: 1;
  background: #fff;
  border: 2px solid var(--line);
  border-radius: var(--radius-m);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--navy-800);
  transition: all .2s ease;
  font-size: .7rem; font-weight: 600;
  padding: 8px;
  text-align: center;
}
.pd-thumb:hover, .pd-thumb.active { border-color: var(--cyan-500); background: var(--cyan-50); }

.pd-info h1 {
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  margin-bottom: 12px;
}
.pd-info .eyebrow {
  font-size: .78rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--cyan-500); font-weight: 700; margin-bottom: 10px;
}
.pd-info .lede { font-size: 1.1rem; color: var(--ink-soft); margin-bottom: 24px; line-height: 1.6; }
.pd-rating {
  display: flex; align-items: center; gap: 12px; margin-bottom: 24px;
  padding-bottom: 24px; border-bottom: 1px solid var(--line);
}
.pd-rating .stars { color: var(--star); font-size: 1.1rem; letter-spacing: .1em; }
.pd-rating .count { color: var(--muted); font-size: .9rem; }

.pd-price-row { display: flex; align-items: baseline; gap: 14px; margin-bottom: 28px; }
.pd-price { font-family: var(--font-display); font-size: 2.2rem; font-weight: 600; color: var(--navy-800); }
.pd-price-strike { color: var(--muted); text-decoration: line-through; font-size: 1.1rem; }
.pd-price-off { background: var(--cyan-500); color: #fff; padding: 4px 12px; border-radius: 999px; font-size: .78rem; font-weight: 700; }

.pd-variants { margin-bottom: 28px; }
.pd-variants-label { font-size: .85rem; font-weight: 600; color: var(--navy-800); margin-bottom: 10px; }
.pd-variant-list { display: flex; gap: 10px; flex-wrap: wrap; }
.pd-variant {
  padding: 12px 20px; border-radius: 12px;
  border: 1.5px solid var(--line);
  background: #fff;
  cursor: pointer; font-weight: 600; font-size: .9rem;
  transition: all .2s ease;
  color: var(--ink-soft);
}
.pd-variant:hover, .pd-variant.active {
  border-color: var(--navy-800);
  background: var(--navy-800);
  color: #fff;
}

.pd-cta { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.pd-cta .btn { flex: 1; justify-content: center; min-width: 180px; }

.pd-benefits-box {
  background: var(--bg-soft);
  border-radius: var(--radius-l);
  padding: 28px;
  border-left: 4px solid var(--cyan-500);
  margin-bottom: 24px;
}
.pd-benefits-box h4 { font-size: 1rem; margin-bottom: 14px; color: var(--navy-800); font-family: var(--font-body); font-weight: 700; }
.pd-benefits-box ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.pd-benefits-box li { display: flex; gap: 10px; font-size: .92rem; color: var(--ink-soft); align-items: flex-start; }
.pd-benefits-box li::before { content: ''; flex-shrink: 0; margin-top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan-500); }

/* Product details sections below fold */
.pd-details { padding: 80px 0; background: #fff; }
.pd-tabs {
  display: flex; gap: 6px; border-bottom: 1px solid var(--line);
  margin-bottom: 40px; flex-wrap: wrap;
}
.pd-tab {
  padding: 14px 24px; font-weight: 600; color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: all .2s ease;
  font-size: .95rem;
}
.pd-tab:hover { color: var(--navy-800); }
.pd-tab.active { color: var(--navy-800); border-bottom-color: var(--cyan-500); }

.pd-tab-panel { display: none; animation: fade .3s ease; }
.pd-tab-panel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.pd-layers {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-bottom: 48px;
}
.pd-layer {
  padding: 36px 28px;
  background: var(--bg-soft);
  border-radius: var(--radius-l);
  border-top: 4px solid var(--cyan-500);
}
.pd-layer:nth-child(2) { border-top-color: var(--navy-800); }
.pd-layer:nth-child(3) { border-top-color: var(--cyan-400); }
.pd-layer h4 { font-size: 1.1rem; margin-bottom: 10px; color: var(--navy-800); }
.pd-layer p { font-size: .92rem; color: var(--ink-soft); }

/* Notice / results table */
.pd-results {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: center;
  padding: 56px;
  background: linear-gradient(135deg, var(--cyan-50), #fff);
  border-radius: var(--radius-xl);
  border: 1px solid var(--cyan-100);
}
.pd-results h3 { font-size: 1.7rem; margin-bottom: 10px; }
.pd-results p.intro { color: var(--ink-soft); margin-bottom: 0; }
.pd-results-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.pd-results-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 18px;
  background: #fff;
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-sm);
  font-size: .95rem; color: var(--ink-soft);
}
.pd-results-list li .check {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  background: var(--cyan-500); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; font-weight: 700;
}

/* -------- Responsive -------- */
@media (max-width: 960px) {
  section { padding: 64px 0; }
  .hero { padding: 48px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-visual { margin: 0 auto; max-width: 360px; }
  .hero-lede, .hero-cta, .hero-trust { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-trust { justify-content: center; }
  .products { grid-template-columns: 1fr; }
  .concerns { grid-template-columns: repeat(2, 1fr); }
  .science-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .promise-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .pd-grid { grid-template-columns: 1fr; gap: 40px; }
  .pd-gallery { position: static; }
  .pd-layers { grid-template-columns: 1fr; }
  .pd-results { grid-template-columns: 1fr; padding: 40px 28px; }
  .nav ul { display: none; }
  .hamburger { display: block; }
  .nav-actions .btn:not(.btn-wa) { display: none; }
  .cta-banner { padding: 48px 28px; }
}
@media (max-width: 520px) {
  .concerns { grid-template-columns: 1fr; }
  .promise-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .wa-float { width: 54px; height: 54px; bottom: 18px; right: 18px; }
}

/* Mobile nav drawer */
.mobile-nav {
  position: fixed; inset: 0;
  background: rgba(14,42,71,.96);
  backdrop-filter: blur(8px);
  z-index: 150;
  display: none;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 24px;
  padding: 40px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { color: #fff; font-family: var(--font-display); font-size: 1.6rem; font-weight: 500; }
.mobile-nav .close {
  position: absolute; top: 24px; right: 24px;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.6rem;
}