:root {
  --bg: #f6fbfb;
  --surface: #ffffff;
  --surface-soft: #eaf7f8;
  --ink: #10232c;
  --muted: #5b6f77;
  --line: #d7e7ea;
  --aqua: #00a8c8;
  --aqua-dark: #08728c;
  --blue: #17456b;
  --mint: #9ce2d3;
  --silver: #d8e1e5;
  --warning: #8b6a2e;
  --shadow: 0 22px 70px rgba(16, 50, 65, .12);
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(225, 246, 248, .8), rgba(246, 251, 251, 0) 38rem),
    var(--bg);
  line-height: 1.55;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .32;
  background-image:
    radial-gradient(circle at 18% 12%, rgba(255,255,255,.9) 0 1px, transparent 2px),
    radial-gradient(circle at 74% 36%, rgba(0,168,200,.3) 0 1px, transparent 2px);
  background-size: 42px 42px, 58px 58px;
  z-index: -1;
}

a { color: inherit; }
img { display: block; max-width: 100%; }

.wrap {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: #fff;
  padding: .7rem 1rem;
  z-index: 100;
}

.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(215, 231, 234, .78);
  background: rgba(246, 251, 251, .88);
  backdrop-filter: blur(16px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  text-decoration: none;
  line-height: 1;
  color: var(--ink);
}

.brand strong {
  display: block;
  font-size: 1.08rem;
  letter-spacing: .02em;
}

.brand small {
  color: var(--aqua-dark);
  font-weight: 750;
  letter-spacing: .11em;
  text-transform: uppercase;
  font-size: .62rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  align-content: center;
  gap: 4px;
}

.brand-mark span {
  display: block;
  height: 6px;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--aqua), var(--mint));
}

.brand-mark span:nth-child(2) {
  width: 75%;
  margin-left: auto;
  background: linear-gradient(90deg, var(--blue), var(--aqua));
}

.brand-mark span:nth-child(3) { width: 58%; }

nav {
  display: flex;
  align-items: center;
  gap: .35rem;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 750;
  font-size: .94rem;
  padding: .65rem .78rem;
  border-radius: 8px;
}

nav a:hover,
nav a[aria-current="page"] {
  background: rgba(0, 168, 200, .1);
  color: var(--ink);
}

.cart-link span {
  display: inline-grid;
  place-items: center;
  min-width: 1.45rem;
  height: 1.45rem;
  margin-left: .2rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: .76rem;
}

.hero {
  min-height: min(760px, calc(100vh - 38px));
  position: relative;
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(246,251,251,.96) 0%, rgba(246,251,251,.82) 34%, rgba(246,251,251,.18) 72%),
    linear-gradient(0deg, rgba(246,251,251,.9), rgba(246,251,251,0) 48%);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% center;
}

.hero-content {
  position: relative;
  padding: 7rem 0 5.4rem;
}

.eyebrow {
  margin: 0 0 .72rem;
  color: var(--aqua-dark);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-weight: 850;
  font-size: .76rem;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  max-width: 9ch;
  font-size: clamp(3rem, 7vw, 6.8rem);
}

h2 { font-size: clamp(1.72rem, 3vw, 3rem); }
h3 { font-size: 1.42rem; }

.lead {
  max-width: 38rem;
  margin: 1rem 0 0;
  color: #415b65;
  font-size: 1.12rem;
}

.hero-actions,
.card-actions,
.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.55rem;
}

.button {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .85rem 1.05rem;
  color: var(--ink);
  background: rgba(255,255,255,.78);
  text-decoration: none;
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--aqua-dark));
  border-color: transparent;
  box-shadow: 0 12px 28px rgba(8, 114, 140, .24);
}

.button.secondary:hover,
.button.primary:hover {
  transform: translateY(-1px);
}

.button.full { width: 100%; }

.section {
  padding: 5.2rem 0;
}

.section-tight { padding: 1.3rem 0 0; }

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .75rem;
}

.trust-strip span {
  min-height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.72);
  color: var(--blue);
  font-weight: 800;
  text-align: center;
  padding: .75rem;
}

.split {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 2rem;
  align-items: center;
}

.featured-product-section {
  padding-top: 4rem;
}

.featured-products-wrap {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.featured-products-wrap .product-feature {
  min-width: 0;
}

.split > div > p:not(.eyebrow),
.standards-grid p,
.values-grid p,
.site-footer p,
.product-card p,
.product-detail .helper-text,
li,
dd {
  color: var(--muted);
}

.product-feature,
.product-card,
.product-panels article,
.checkout-panel,
.cart-summary,
.empty-cart,
.standards-grid article,
.values-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .86);
  box-shadow: var(--shadow);
}

.product-feature {
  display: grid;
  grid-template-columns: .98fr 1.02fr;
  overflow: hidden;
}

.product-feature img,
.product-image img,
.product-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-copy,
.product-card-body {
  padding: 1.35rem;
}

.feature-list {
  display: grid;
  gap: .45rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1.1rem;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  background: var(--aqua);
}

.sku-line {
  margin: .5rem 0 0;
  color: var(--blue);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .12em;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  margin-top: 1rem;
}

.price-row strong {
  font-size: 1.45rem;
  color: var(--ink);
}

.price-row span,
.card-topline span {
  color: var(--muted);
  font-weight: 750;
}

.option-label {
  display: block;
  margin: 1rem 0 .35rem;
  color: var(--blue);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.variant-select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .72rem .82rem;
  color: var(--ink);
  background: rgba(255, 255, 255, .9);
  font: inherit;
  font-weight: 750;
}

.product-variant-select {
  max-width: 320px;
}

.aqua-band {
  background:
    linear-gradient(120deg, rgba(0,168,200,.14), rgba(156,226,211,.2)),
    #f7fcfc;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.values-grid,
.standards-grid,
.product-panels,
.stacked-policy {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.values-grid article,
.standards-grid article,
.product-panels article,
.stacked-policy article {
  padding: 1.2rem;
}

.value-icon {
  width: 42px;
  height: 42px;
  display: block;
  margin-bottom: 1.2rem;
  border-radius: 50% 50% 50% 8px;
  transform: rotate(45deg);
  background: linear-gradient(135deg, rgba(0,168,200,.92), rgba(156,226,211,.9));
}

.page {
  padding: 4.8rem 0 5.5rem;
}

.page-hero {
  margin-bottom: 2rem;
}

.page-hero h1 {
  max-width: 13ch;
  font-size: clamp(2.7rem, 5vw, 5.4rem);
}

.small-note {
  color: var(--muted);
  font-weight: 750;
  margin: .9rem 0 0;
}

.policy-page .page-hero h1 {
  max-width: 15ch;
}

.stacked-policy {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stacked-policy article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .86);
  box-shadow: var(--shadow);
}

.stacked-policy p {
  color: var(--muted);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  overflow: hidden;
}

.product-image {
  display: block;
  aspect-ratio: 16 / 10;
  background: var(--surface-soft);
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .75rem;
}

.card-topline .eyebrow { margin: 0; }

.product-layout {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 1.3rem;
  align-items: stretch;
}

.product-photo {
  min-height: 520px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.product-detail {
  align-self: center;
  padding: 1.4rem 0 1.4rem 1rem;
}

.product-detail h1 {
  max-width: 11ch;
  font-size: clamp(2.6rem, 5vw, 5.6rem);
}

.product-price strong { font-size: 2rem; }

.product-panels {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 1.2rem;
}

ul {
  margin: .85rem 0 0;
  padding-left: 1.1rem;
}

dl {
  margin: .85rem 0 0;
}

dl div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  padding: .72rem 0;
  border-top: 1px solid var(--line);
}

dt {
  font-weight: 850;
  color: var(--blue);
}

dd { margin: 0; }

.cart-layout,
.checkout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 1rem;
  align-items: start;
}

.cart-items {
  display: grid;
  gap: .85rem;
}

.empty-cart,
.cart-summary,
.checkout-panel {
  padding: 1.2rem;
}

.cart-item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: .9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.9);
}

.cart-item img {
  width: 132px;
  aspect-ratio: 1.25;
  border-radius: 8px;
  object-fit: cover;
}

.cart-item h2,
.cart-summary h2,
.checkout-panel h2 {
  font-size: 1.2rem;
}

.cart-item p { margin: .35rem 0 .75rem; color: var(--muted); }

.preview-note {
  margin: .35rem 0 1rem;
  color: var(--muted);
  font-size: .95rem;
}

.preview-note a {
  color: var(--aqua-dark);
  font-weight: 800;
}

.quantity-row {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .28rem;
}

.quantity-row button {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 6px;
  color: var(--blue);
  background: var(--surface-soft);
  font: inherit;
  font-weight: 900;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem 0;
  border-top: 1px solid var(--line);
}

.summary-row.muted {
  color: var(--muted);
}

.cart-summary .button {
  margin-top: .75rem;
}

.checkout-shell {
  min-height: 54vh;
  align-items: center;
}

.checkout-panel ol {
  margin: .8rem 0 1.2rem;
  padding-left: 1.2rem;
}

.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--line);
  background: #edf8f8;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr .7fr 1fr;
  gap: 2rem;
}

.footer-grid h2 {
  font-size: .95rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--aqua-dark);
  margin-bottom: .8rem;
}

.footer-grid a:not(.brand) {
  display: block;
  color: var(--muted);
  text-decoration: none;
  margin: .38rem 0;
  font-weight: 750;
}

.footer-brand { margin-bottom: 1rem; }

@media (max-width: 860px) {
  .nav {
    min-height: auto;
    padding: .75rem 0;
    align-items: flex-start;
  }

  nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  nav a {
    padding: .56rem .6rem;
  }

  .hero {
    min-height: 720px;
  }

  .hero-media::after {
    background:
      linear-gradient(180deg, rgba(246,251,251,.97) 0%, rgba(246,251,251,.82) 48%, rgba(246,251,251,.25) 100%);
  }

  .hero-media img {
    object-position: 70% center;
  }

  .hero-content {
    align-self: start;
    padding-top: 4.2rem;
  }

  .trust-strip,
  .split,
  .featured-products-wrap,
  .product-feature,
  .values-grid,
  .standards-grid,
  .catalog-grid,
  .product-layout,
  .product-panels,
  .stacked-policy,
  .cart-layout,
  .checkout-shell,
  .footer-grid {
    grid-template-columns: 1fr;
  }


  .product-photo {
    min-height: auto;
    aspect-ratio: 16 / 11;
  }

  .product-detail {
    padding: .8rem 0 0;
  }

  .cart-item {
    grid-template-columns: 96px 1fr;
  }

  .cart-item > strong {
    grid-column: 2;
  }

  .cart-item img {
    width: 96px;
  }
}

@media (max-width: 560px) {
  .wrap { width: min(calc(100% - 1.1rem), var(--max)); }

  .nav {
    align-items: center;
    gap: .45rem;
  }

  .brand strong { font-size: .98rem; }
  .brand small { font-size: .56rem; }
  .brand-mark { width: 28px; }

  nav {
    flex-wrap: nowrap;
    gap: .08rem;
  }

  nav a {
    font-size: .86rem;
    padding: .48rem .32rem;
  }

  .cart-link span {
    min-width: 1.25rem;
    height: 1.25rem;
  }

  .hero {
    min-height: 690px;
  }

  .hero-content {
    padding-bottom: 3rem;
  }

  .page,
  .section {
    padding: 3.3rem 0;
  }

  h1,
  .page-hero h1,
  .product-detail h1 {
    font-size: 2.65rem;
  }

  .lead {
    font-size: 1rem;
  }

  .button {
    width: 100%;
  }

  .card-topline {
    align-items: flex-start;
    flex-direction: column;
    gap: .35rem;
  }

  dl div {
    grid-template-columns: 1fr;
    gap: .2rem;
  }
}