@font-face {
  font-family: Inter;
  src: url("../fonts/Inter.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: SpaceGrotesk;
  src: url("../fonts/SpaceGrotesk.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
:root {
  --bg: #f3f8fb;
  --surface: #fff;
  --ink: #11202b;
  --muted: #68707a;
  --line: rgba(17, 24, 39, 0.12);
  --accent: #0ea5e9;
  --accent2: #fb7185;
  --dark: #0d2633;
  --max: 1120px;
  --radius: 22px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: var(--max);
  margin: auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: SpaceGrotesk, sans-serif;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.logo img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}
.main-nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font-size: 0.92rem;
  font-weight: 600;
}
.main-nav a:hover {
  color: var(--accent);
}
.cart-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 14px;
  background: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
}
.hero {
  padding: 72px 22px 44px;
}
.hero-grid {
  max-width: var(--max);
  margin: auto;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 56px;
  align-items: center;
}
.hero-copy {
  max-width: 600px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.eyebrow:before {
  content: "";
  width: 26px;
  height: 2px;
  background: currentColor;
}
h1,
h2,
h3 {
  font-family: SpaceGrotesk, Arial, sans-serif;
  letter-spacing: -0.035em;
  line-height: 1.04;
}
h1 {
  font-size: clamp(2.7rem, 6vw, 5.3rem);
  margin-bottom: 20px;
}
h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  margin-bottom: 16px;
}
h3 {
  font-size: 1.2rem;
}
.hero-copy p {
  font-size: 1.06rem;
  color: var(--muted);
  max-width: 610px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin: 28px 0;
}
.btn-primary,
.btn-secondary,
.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 800;
  border: 0;
  cursor: pointer;
  transition: 0.2s;
}
.btn-primary,
.btn-submit {
  background: var(--dark);
  color: #fff;
}
.btn-primary:hover,
.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
}
.btn-secondary {
  background: #fff;
  border: 1px solid var(--line);
}
.hero-points {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.hero-points div {
  display: flex;
  flex-direction: column;
}
.hero-points strong {
  font-family: SpaceGrotesk;
  font-size: 1rem;
}
.hero-points span {
  font-size: 0.82rem;
  color: var(--muted);
}
.hero-media {
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.14);
  background: #fff;
}
.hero-media img {
  width: 100%;
  aspect-ratio: 4/3;
  max-height: 460px;
  object-fit: cover;
}
.strip {
  background: var(--dark);
  color: #fff;
  overflow: hidden;
}
.strip-track {
  max-width: var(--max);
  margin: auto;
  padding: 14px 22px;
  display: flex;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
  font-weight: 750;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}
.section {
  padding: 78px 22px;
}
.section.alt {
  background: #fff;
}
.container {
  max-width: var(--max);
  margin: auto;
}
.section-head {
  max-width: 720px;
  margin-bottom: 36px;
}
.section-head p {
  color: var(--muted);
}
.product-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 54px;
  align-items: center;
}
.product-media {
  border-radius: 28px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
}
.product-media img {
  width: 100%;
  aspect-ratio: 4/3;
  max-height: 430px;
  object-fit: cover;
}
.product-copy p {
  color: var(--muted);
  margin-bottom: 22px;
}
.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 20px 0 26px;
}
.spec {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
}
.spec span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 3px;
}
.spec strong {
  font-size: 0.95rem;
}
.price-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 22px 0;
}
.price {
  font-family: SpaceGrotesk;
  font-size: 2.2rem;
  font-weight: 800;
}
.price-note {
  font-size: 0.82rem;
  color: var(--muted);
}
.color-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.swatch {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--line);
  cursor: pointer;
}
.swatch.active {
  box-shadow: 0 0 0 2px var(--dark);
}
.use-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 46px;
  align-items: center;
}
.use-media {
  border-radius: 28px;
  overflow: hidden;
}
.use-media img {
  width: 100%;
  aspect-ratio: 16/10;
  max-height: 380px;
  object-fit: cover;
}
.use-copy p {
  color: var(--muted);
}
.feature-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
}
.feature-card b {
  display: block;
  margin-bottom: 6px;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--muted);
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 30px;
}
.data-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}
.data-card span {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
}
.data-card strong {
  display: block;
  font-size: 1.05rem;
  margin-top: 4px;
}
.gallery-wide {
  margin-top: 34px;
  border-radius: 28px;
  overflow: hidden;
}
.gallery-wide img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 30px;
}
.info-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  background: color-mix(in srgb, var(--bg) 78%, #fff);
}
.info-card .num {
  font-family: SpaceGrotesk;
  font-size: 1.8rem;
  color: var(--accent);
  font-weight: 800;
}
.info-card p {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 8px;
}
.faq-list {
  display: grid;
  gap: 10px;
  max-width: 860px;
}
details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0 18px;
}
summary {
  cursor: pointer;
  font-weight: 800;
  padding: 17px 0;
}
details p {
  padding: 0 0 18px;
  color: var(--muted);
}
.order {
  background: var(--dark);
  color: #fff;
}
.order-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: start;
}
.order-copy p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 530px;
}
.order-bullets {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 24px;
}
.order-bullets li:before {
  content: "✓";
  color: var(--accent2);
  font-weight: 900;
  margin-right: 10px;
}
.order-form {
  background: #fff;
  color: var(--ink);
  border-radius: 24px;
  padding: 26px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}
.field label {
  font-size: 0.82rem;
  font-weight: 800;
}
.field input,
.field select {
  width: 100%;
  border: 1px solid #d6d9df;
  border-radius: 12px;
  padding: 13px 14px;
  outline: none;
  background: #fff;
}
.field input:focus,
.field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 17%, transparent);
}
.total-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg);
  border-radius: 14px;
  padding: 14px;
  margin: 8px 0 16px;
}
.total-box strong {
  font-family: SpaceGrotesk;
  font-size: 1.25rem;
}
.form-note {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 10px;
}
.form-success {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #ecfdf5;
  color: #065f46;
  font-weight: 700;
  font-size: 0.9rem;
}
.site-footer {
  background: #0b0d10;
  color: #d7d9dd;
  padding: 38px 22px;
}
.footer-inner {
  max-width: var(--max);
  margin: auto;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.footer-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.86rem;
}
.footer-meta {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  gap: 7px;
  color: #9ca3af;
  font-size: 0.82rem;
}
.footer-bottom {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: #737b88;
  font-size: 0.76rem;
}
.legal {
  max-width: 900px;
  margin: 50px auto;
  padding: 0 22px;
}
.legal h1 {
  font-size: 2.6rem;
}
.legal h2 {
  font-size: 1.55rem;
  margin-top: 30px;
}
.legal p,
.legal li {
  color: var(--muted);
  margin: 10px 0;
}
.legal ul {
  padding-left: 20px;
}

/* distinct visual variants */
body.theme-1 .hero-grid {
  grid-template-columns: 0.88fr 1.12fr;
}
body.theme-1 .hero-media {
  order: -1;
}
body.theme-1 .hero {
  padding-top: 52px;
}
body.theme-1 .hero-media {
  border-radius: 80px 24px 80px 24px;
}
body.theme-2 .hero {
  background: var(--dark);
  color: #fff;
}
body.theme-2 .hero-copy p,
body.theme-2 .hero-points span {
  color: rgba(255, 255, 255, 0.68);
}
body.theme-2 .hero-points {
  border-color: rgba(255, 255, 255, 0.16);
}
body.theme-2 .btn-primary {
  background: var(--accent);
  color: #111;
}
body.theme-3 .hero-media {
  border-radius: 120px 120px 24px 24px;
}
body.theme-3 .product-media {
  border-radius: 24px 90px 24px 90px;
}
body.theme-4 .hero-grid {
  grid-template-columns: 1fr 1fr;
}
body.theme-4 .hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.6rem);
}
body.theme-4 .section-head {
  max-width: 620px;
}

@media (max-width: 820px) {
  .main-nav {
    display: none;
  }
  .hero-grid,
  .product-grid,
  .use-grid,
  .order-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  body.theme-1 .hero-media {
    order: 0;
  }
  .feature-cards,
  .info-grid {
    grid-template-columns: 1fr;
  }
  .data-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero {
    padding-top: 42px;
  }
  .section {
    padding: 56px 18px;
  }
  .header-inner {
    padding: 12px 16px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .specs {
    grid-template-columns: 1fr;
  }
  .strip-track {
    justify-content: center;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 2.65rem;
  }
  .hero-points {
    gap: 14px;
  }
  .data-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
  }
  .order-form {
    padding: 18px;
  }
}