:root {
  --ink: #172b2e;
  --muted: #607173;
  --teal: #086d75;
  --aqua: #07909a;
  --gold: #b9904c;
  --line: #d5e1df;
  --mist: #f3f7f6;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--mist); font-family: "Segoe UI", Arial, sans-serif; }
a { color: inherit; }
.site-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; min-height: 76px; padding: 12px clamp(20px, 6vw, 92px); background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.logo img { display: block; width: 170px; height: auto; }
.site-header nav { display: flex; gap: 26px; }
.site-header nav a { color: var(--teal); font-size: 12px; font-weight: 800; text-decoration: none; text-transform: uppercase; }
main { max-width: 1440px; margin: 0 auto; background: var(--white); }
.breadcrumbs { display: flex; gap: 10px; padding: 24px clamp(20px, 5vw, 72px); color: var(--muted); border-bottom: 1px solid var(--line); font-size: 13px; }
.breadcrumbs a { color: var(--teal); text-decoration: none; }
.product-hero { display: grid; grid-template-columns: minmax(420px, .9fr) minmax(480px, 1.1fr); min-height: 670px; }
.product-visual { position: relative; display: grid; place-items: center; overflow: hidden; padding: 54px; background: linear-gradient(145deg, #fff 0 54%, #e7f1ef 54.1% 100%); border-right: 1px solid var(--line); }
.product-visual::before { content: ""; position: absolute; inset: 42px; border: 1px solid rgba(8,109,117,.2); }
.product-visual > span { position: absolute; top: 34px; left: 44px; color: var(--teal); font-size: 12px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.product-visual img { position: relative; z-index: 1; width: min(88%, 560px); height: min(540px, 66vw); object-fit: contain; filter: drop-shadow(0 28px 25px rgba(30,51,52,.14)); }
.product-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(52px, 7vw, 108px); }
.eyebrow, .section-no { margin: 0 0 18px; color: var(--aqua); font-size: 12px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
h1 { max-width: 760px; margin: 0; font-family: "Segoe UI", Arial, sans-serif; font-size: clamp(48px, 6.2vw, 92px); font-weight: 300; line-height: 1.02; }
.english-name { margin: 22px 0 0; color: var(--gold); font-size: 15px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.lead { max-width: 720px; margin: 30px 0 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.chips span { padding: 10px 13px; color: var(--teal); background: var(--mist); border: 1px solid var(--line); font-size: 12px; font-weight: 700; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.hero-actions a { display: inline-flex; align-items: center; min-height: 48px; padding: 0 20px; font-size: 12px; font-weight: 900; text-decoration: none; text-transform: uppercase; }
.primary-action { color: #fff; background: var(--teal); }
.secondary-action { color: var(--teal); border: 1px solid var(--teal); }
.detail-grid { display: grid; grid-template-columns: 1.25fr .75fr; border-top: 1px solid var(--line); }
.detail-grid article { min-height: 270px; padding: clamp(36px, 5vw, 72px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.detail-grid .suitable { grid-column: 1 / -1; min-height: auto; }
h2 { margin: 0 0 22px; font-family: "Segoe UI", Arial, sans-serif; font-size: clamp(30px, 3vw, 48px); font-weight: 300; }
.detail-grid p, .active-links p { color: var(--muted); font-size: 16px; line-height: 1.7; }
.ingredients ul { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px 24px; margin: 0; padding: 0; list-style: none; }
.ingredients li { padding: 12px 0; color: var(--muted); border-bottom: 1px solid var(--line); }
.active-links { display: grid; grid-template-columns: .72fr 1.28fr; gap: 60px; padding: clamp(46px, 6vw, 86px); background: var(--mist); }
.active-link-grid { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--line); }
.active-link-grid a { display: flex; align-items: center; justify-content: space-between; min-height: 76px; padding: 0 18px; color: var(--teal); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-weight: 800; text-decoration: none; }
.product-navigation { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--line); }
.product-navigation a { display: grid; gap: 8px; min-height: 112px; padding: 30px clamp(24px,5vw,70px); text-decoration: none; }
.product-navigation a + a { text-align: right; border-left: 1px solid var(--line); }
.product-navigation small { color: var(--aqua); font-size: 11px; font-weight: 900; text-transform: uppercase; }
.product-navigation strong { font-family: "Segoe UI", Arial, sans-serif; font-size: 22px; font-weight: 300; }
footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 34px clamp(20px,6vw,92px); color: var(--muted); background: #e4f0ef; border-top: 1px solid var(--line); }
footer div { display: grid; gap: 8px; }
footer div:last-child { text-align: right; }
footer img { width: 160px; }
footer p { margin: 0; }
footer a { color: var(--teal); font-weight: 700; text-decoration: none; }

@media (max-width: 850px) {
  .site-header { min-height: 68px; }
  .site-header nav a:not(:first-child) { display: none; }
  .logo img { width: 142px; }
  .product-hero { grid-template-columns: 1fr; }
  .product-visual { min-height: 400px; padding: 40px 24px; border-right: 0; border-bottom: 1px solid var(--line); }
  .product-visual::before { inset: 18px; }
  .product-visual img { width: min(92%, 440px); height: 360px; }
  .product-copy { padding: 42px 24px 52px; }
  h1 { font-size: clamp(43px, 14vw, 66px); }
  .lead { font-size: 15px; }
  .detail-grid, .active-links { grid-template-columns: 1fr; }
  .detail-grid article, .detail-grid .suitable { grid-column: auto; min-height: auto; padding: 40px 24px; border-right: 0; }
  .ingredients ul, .active-link-grid { grid-template-columns: 1fr; }
  .active-links { gap: 28px; padding: 48px 24px; }
  .product-navigation strong { font-size: 17px; }
  footer { align-items: flex-start; flex-direction: column; }
  footer div:last-child { text-align: left; }
}