:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --ink: #151821;
  --muted: #5d6575;
  --line: #d9deea;
  --panel: #ffffff;
  --navy: #182033;
  --violet: #6658d3;
  --green: #0d8f68;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(18px, 5vw, 64px);
  background: rgba(246, 247, 251, 0.92);
  border-bottom: 1px solid rgba(21, 24, 33, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  min-height: 68vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: clamp(28px, 6vw, 84px);
  align-items: center;
  padding: clamp(40px, 6vw, 72px) clamp(18px, 5vw, 64px) 28px;
}

.eyebrow {
  color: var(--green);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  line-height: 0.98;
}

.hero-copy {
  max-width: 660px;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1.62;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  font-weight: 750;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

.product-visual {
  align-self: stretch;
  min-height: 360px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  border-left: 1px solid var(--line);
}

.measurement-board {
  width: min(100%, 440px);
  aspect-ratio: 1 / 0.82;
  position: relative;
  background:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px),
    var(--navy);
  background-size: 24px 24px;
  border: 1px solid rgba(21, 24, 33, 0.22);
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(24, 32, 51, 0.22);
}

.measurement-board::before,
.measurement-board::after {
  content: "";
  position: absolute;
  background: repeating-linear-gradient(
    to right,
    #ffffff 0 2px,
    transparent 2px 18px
  );
}

.measurement-board::before {
  left: 18px;
  right: 18px;
  bottom: 28px;
  height: 64px;
  border-bottom: 3px solid #fff;
}

.measurement-board::after {
  top: 18px;
  bottom: 18px;
  left: 28px;
  width: 64px;
  transform: rotate(90deg);
  transform-origin: 32px 32px;
}

.visual-badge {
  position: absolute;
  left: 50%;
  top: 48%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
}

.visual-badge img {
  width: 108px;
  height: 108px;
  border-radius: 22px;
}

.section {
  padding: 68px clamp(18px, 5vw, 64px);
}

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.section h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 3vw, 3rem);
}

.section-lede {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.feature {
  min-height: 160px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.feature h3 {
  margin-bottom: 8px;
}

.feature p {
  color: var(--muted);
  line-height: 1.55;
}

.support-band {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.support-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.support-item {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcff;
}

.legal-page {
  max-width: 820px;
  margin: 0 auto;
  padding: 72px 20px;
}

.legal-page h1 {
  font-size: clamp(2.3rem, 5vw, 4rem);
}

.legal-page h2 {
  margin-top: 34px;
  font-size: 1.24rem;
}

.legal-page p,
.legal-page li {
  color: var(--muted);
  line-height: 1.68;
}

.legal-page li + li {
  margin-top: 8px;
}

.meta {
  color: var(--green);
  font-weight: 750;
}

.site-footer {
  padding: 28px clamp(18px, 5vw, 64px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-inner a {
  color: var(--ink);
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .product-visual {
    min-height: 220px;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 22px;
  }

  .measurement-board {
    width: min(100%, 260px);
  }

  .visual-badge {
    width: 112px;
    height: 112px;
  }

  .visual-badge img {
    width: 78px;
    height: 78px;
    border-radius: 16px;
  }

  .feature-grid,
  .support-list {
    grid-template-columns: 1fr;
  }
}