:root {
  --ink: #10242f;
  --ink-soft: #3d5563;
  --paper: #eef5f4;
  --mist: #d9ecea;
  --sea: #176b73;
  --sea-deep: #0b2f36;
  --foam: #b9e0db;
  --accent: #2a8f9a;
  --sand: #c4a574;
  --line: rgba(16, 36, 47, 0.12);
  --shadow: 0 18px 50px rgba(11, 47, 54, 0.28);
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --font-body: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --radius: 1.1rem;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(185, 224, 219, 0.55), transparent 60%),
    linear-gradient(180deg, #f4faf9 0%, var(--paper) 45%, #ddecea 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.85rem clamp(1rem, 3vw, 2.5rem);
  backdrop-filter: blur(10px);
  background: rgba(238, 245, 244, 0.9);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 1.1rem;
  font-size: 0.92rem;
  font-weight: 500;
}

.nav a {
  text-decoration: none;
  color: var(--ink-soft);
}
.nav a:hover { color: var(--sea); }

.search-form {
  margin-left: auto;
  flex: 1 1 180px;
  max-width: 280px;
}

.search-form input {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 0.55rem 1rem;
  font: inherit;
  color: var(--ink);
}

.cart-btn {
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  border-radius: 999px;
  padding: 0.5rem 0.95rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.cart-count {
  display: inline-grid;
  place-items: center;
  min-width: 1.35rem;
  height: 1.35rem;
  margin-left: 0.3rem;
  border-radius: 999px;
  background: var(--sea);
  color: #fff;
  font-size: 0.72rem;
}

#app { min-height: 60vh; }

.hero {
  min-height: min(88vh, 720px);
  display: grid;
  align-items: end;
  padding: clamp(2rem, 6vw, 5rem);
  background:
    linear-gradient(105deg, rgba(11, 47, 54, 0.92) 0%, rgba(11, 47, 54, 0.55) 42%, rgba(16, 36, 47, 0.25) 100%),
    radial-gradient(circle at 72% 38%, #2f8a8f 0%, transparent 45%),
    linear-gradient(160deg, #0b2f36 0%, #176b73 48%, #4eb0b8 130%);
  color: #eef5f4;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(-18deg, transparent 0 14px, rgba(255,255,255,0.03) 14px 15px);
  pointer-events: none;
  animation: drift 28s linear infinite;
}

@keyframes drift {
  from { transform: translateX(0); }
  to { transform: translateX(-40px); }
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 40rem;
  animation: rise 0.9s ease-out both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.brand-mark {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  font-weight: 700;
  margin: 0 0 0.7rem;
  line-height: 1;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.25;
  margin: 0 0 1rem;
  max-width: 20ch;
}

.lede {
  margin: 0 0 1.6rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: rgba(238, 245, 244, 0.88);
  max-width: 36ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.8rem 1.25rem;
  font: inherit;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--accent); color: #fff; }
.btn.ghost {
  border-color: rgba(238, 245, 244, 0.55);
  color: #eef5f4;
  background: transparent;
}
.btn.ghost-ink {
  border-color: var(--line);
  color: var(--ink);
  background: #fff;
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.section {
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1rem, 3vw, 2.5rem);
}

.section-head {
  margin-bottom: 1.5rem;
  max-width: 42rem;
}
.section-head h2,
.page-block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin: 0 0 0.45rem;
}
.section-head p,
.page-block p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}
.chip.active,
.chip:hover {
  border-color: var(--sea);
  color: var(--sea);
  background: rgba(42, 143, 154, 0.08);
}

.sort-select,
.page-size {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font: inherit;
  color: var(--ink);
}

.results-meta {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.product-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.35rem;
}

.product {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 0.2rem);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: rise 0.55s ease both;
}
.product:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(11, 47, 54, 0.12);
}

.product-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.product-visual {
  aspect-ratio: 4 / 3;
  background: var(--sea-deep);
  overflow: hidden;
}
.product-visual img {
  background: #0b2f36;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.product:hover .product-visual img {
  background: #0b2f36; transform: scale(1.04); }

.product-body {
  padding: 0 0.95rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}

.product .cat {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sea);
}

.product h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.25;
}

.product .meta {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.4;
  flex: 1;
}

.product .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 0.25rem;
}

.price { font-weight: 700; }
.stock-out { color: #a14a3a; font-size: 0.82rem; font-weight: 600; }
.stock-low { color: #8a6a20; font-size: 0.82rem; font-weight: 600; }

.product .btn.primary {
  padding: 0.45rem 0.85rem;
  font-size: 0.86rem;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  margin-top: 2rem;
}

.page-btn {
  min-width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  color: var(--ink);
}
.page-btn.active {
  background: var(--sea);
  border-color: var(--sea);
  color: #fff;
}
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.page-block {
  max-width: 46rem;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1rem, 3vw, 2.5rem);
}
.page-block + .page-block,
.border-top { border-top: 1px solid var(--line); }

.detail {
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 3vw, 2.5rem);
}

.breadcrumb {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.breadcrumb a { color: var(--sea); text-decoration: none; }

.detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.gallery {
  display: grid;
  gap: 0.75rem;
}
.gallery-main {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--sea-deep);
  aspect-ratio: 4 / 3;
}
.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.thumbs {
  display: flex;
  gap: 0.5rem;
}
.thumbs button {
  border: 1px solid var(--line);
  background: #fff;
  padding: 0;
  border-radius: 0.7rem;
  overflow: hidden;
  width: 72px;
  height: 54px;
  cursor: pointer;
}
.thumbs button.active { border-color: var(--sea); }
.thumbs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.detail-copy .sku {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}
.detail-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin: 0 0 0.75rem;
  line-height: 1.15;
}
.detail-price {
  font-size: 1.45rem;
  font-weight: 700;
  margin: 0 0 1rem;
}
.detail-blurb {
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 1.25rem;
}
.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.specs {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.specs li {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.75rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.specs li span:first-child {
  color: var(--ink-soft);
  font-weight: 600;
}

.prose {
  margin-top: 2rem;
  max-width: 48rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.prose h2 {
  font-family: var(--font-display);
  color: var(--ink);
  font-size: 1.35rem;
  margin: 1.5rem 0 0.5rem;
}
.prose ul { padding-left: 1.2rem; }

.empty-state {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--ink-soft);
}

.site-footer {
  margin-top: 2rem;
  padding: 2.5rem clamp(1rem, 3vw, 2.5rem) 2rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink);
  font-weight: 700;
  margin: 0 0 0.4rem;
}
.footer-title {
  margin: 0 0 0.5rem;
  font-weight: 700;
  color: var(--ink);
}
.footer-grid a {
  display: block;
  text-decoration: none;
  margin: 0.25rem 0;
}
.footer-grid a:hover { color: var(--sea); }
.footer-copy { margin: 0; font-size: 0.85rem; }

.cart-drawer {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(14, 51, 56, 0.35);
}
.cart-drawer[hidden] { display: none; }

.cart-panel {
  position: absolute;
  top: 0; right: 0;
  width: min(100%, 380px);
  height: 100%;
  background: var(--paper);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  animation: slide 0.25s ease;
}

@keyframes slide {
  from { transform: translateX(24px); opacity: 0.4; }
  to { transform: translateX(0); opacity: 1; }
}

.cart-panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cart-panel h2 {
  margin: 0;
  font-family: var(--font-display);
}
.icon-close {
  border: 0;
  background: transparent;
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  color: var(--ink);
}
.cart-lines {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  overflow: auto;
  flex: 1;
}
.cart-lines li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.cart-empty { color: var(--ink-soft); }
.cart-panel footer {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  display: grid;
  gap: 0.75rem;
}
.cart-summary { display: grid; gap: 0.35rem; }
.cart-sub, .cart-ship-hint { margin: 0; font-size: 0.88rem; color: var(--ink-soft); }
.cart-total { margin: 0.35rem 0 0; font-size: 1.05rem; }
.cart-line {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}
.cart-line-main {
  display: flex;
  gap: 0.7rem;
  min-width: 0;
}
.cart-line-main img {
  width: 56px;
  height: 42px;
  object-fit: cover;
  border-radius: 0.45rem;
  background: var(--sea-deep);
}
.cart-line-name { margin: 0; font-weight: 600; font-size: 0.92rem; }
.cart-line-meta { margin: 0.15rem 0 0.4rem; font-size: 0.8rem; color: var(--ink-soft); }
.cart-line-side {
  display: grid;
  align-content: start;
  justify-items: end;
  gap: 0.35rem;
}
.linkish {
  border: 0;
  background: transparent;
  color: var(--sea);
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.btn.disabled, a.btn.disabled {
  opacity: 0.45;
  pointer-events: none;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 0.7rem;
  width: 2.4rem;
  height: 2.4rem;
  font-size: 1.1rem;
  cursor: pointer;
}
.nav a.active { color: var(--sea); font-weight: 700; }

.stock-ok { color: var(--sea); font-size: 0.82rem; font-weight: 600; }

.variant-block { margin: 1rem 0; }
.variant-label {
  margin: 0 0 0.45rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-soft);
}
.variant-row { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.variant-btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 0.7rem;
  padding: 0.45rem 0.75rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}
.variant-btn.active {
  border-color: var(--sea);
  background: rgba(42, 143, 154, 0.1);
  color: var(--sea-deep);
}
.variant-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.qty-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.75rem 0 1rem;
  font-size: 0.92rem;
  font-weight: 600;
}
.qty-control {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.15rem;
  background: #fff;
}
.qty-control.compact { padding: 0.1rem; }
.qty-control input {
  width: 2.6rem;
  border: 0;
  text-align: center;
  font: inherit;
  background: transparent;
}
.qty-btn {
  width: 1.9rem;
  height: 1.9rem;
  border: 0;
  border-radius: 999px;
  background: var(--mist);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}
.delivery-line {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem;
  margin: 1.5rem 0;
}
.info-card {
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}
.info-card h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.info-card p { margin: 0; color: var(--ink-soft); line-height: 1.45; }
.legal-line { font-size: 0.85rem; color: var(--ink-soft); }

.table-wrap { overflow-x: auto; margin: 1.25rem 0; }
.ship-table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255,255,255,0.65);
}
.ship-table th, .ship-table td {
  border: 1px solid var(--line);
  padding: 0.7rem 0.85rem;
  text-align: left;
  vertical-align: top;
}
.ship-table th { background: rgba(185, 224, 219, 0.35); }
.muted { color: var(--ink-soft); font-size: 0.85rem; }
.page-block h3 {
  font-family: var(--font-display);
  margin: 1.5rem 0 0.5rem;
  font-size: 1.2rem;
}

.checkout {
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 3vw, 2.5rem);
}
.checkout-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}
.checkout-main fieldset {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.7);
  margin: 0 0 1rem;
  padding: 1rem 1.1rem 1.15rem;
}
.checkout-main legend {
  font-family: var(--font-display);
  font-weight: 700;
  padding: 0 0.35rem;
}
.checkout-main label {
  display: grid;
  gap: 0.35rem;
  margin: 0.7rem 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.checkout-main input,
.checkout-main select,
.checkout-main textarea {
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 0.65rem 0.8rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
}
.pay-list { display: grid; gap: 0.55rem; margin-top: 0.5rem; }
.pay-option {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 0.75rem 0.85rem;
  background: #fff;
  cursor: pointer;
}
.pay-option strong { display: block; color: var(--ink); }
.pay-option small { color: var(--ink-soft); }
.checkout-aside {
  position: sticky;
  top: 5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.85);
  padding: 1.1rem 1.2rem 1.3rem;
  box-shadow: 0 10px 30px rgba(11, 47, 54, 0.08);
}
.checkout-aside h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
}
.checkout-lines {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}
.checkout-lines li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}
.sum-row {
  display: flex;
  justify-content: space-between;
  margin: 0.35rem 0;
  color: var(--ink-soft);
}
.sum-row.total {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 1.05rem;
}
.secure-note {
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
  line-height: 1.45;
}
.order-done .ok-badge {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(42, 143, 154, 0.15);
  color: var(--sea-deep);
  font-size: 0.82rem;
  font-weight: 700;
}
.related {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.related h2 {
  font-family: var(--font-display);
  margin: 0 0 1rem;
}
.footer-legal { margin-top: 0.5rem; font-size: 0.85rem; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  z-index: 50;
  background: var(--sea-deep);
  color: #eef5f4;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-size: 0.92rem;
  animation: rise 0.25s ease;
}

.loading {
  padding: 4rem 1.5rem;
  text-align: center;
  color: var(--ink-soft);
}

@media (max-width: 960px) {
  .checkout-grid { grid-template-columns: 1fr; }
  .checkout-aside { position: static; }
}

@media (max-width: 860px) {
  .detail-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .nav {
    display: none;
    width: 100%;
    order: 5;
    flex-direction: column;
    gap: 0.35rem;
    padding: 0.35rem 0 0.5rem;
  }
  .nav.open { display: flex; }
  .nav a {
    padding: 0.55rem 0.2rem;
    border-bottom: 1px solid var(--line);
  }
  .search-form { order: 3; flex: 1 1 100%; max-width: none; }
}

@media (max-width: 720px) {
  .hero { align-items: center; min-height: 70vh; }
  .hero h1 { max-width: none; }
  .specs li { grid-template-columns: 1fr; gap: 0.2rem; }
}