:root {
  color: #14231c;
  background: #f7faf8;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; }
a { color: inherit; }

.site-header {
  position: absolute;
  z-index: 5;
  inset: 0 0 auto;
  height: 82px;
  padding: 14px clamp(22px, 5vw, 76px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, .2);
}

.brand img { width: clamp(190px, 19vw, 270px); display: block; filter: drop-shadow(0 5px 20px rgba(0, 0, 0, .35)); }
.header-actions { display: flex; align-items: center; gap: 18px; }
.header-link { color: #fff; font-size: 14px; font-weight: 750; text-decoration: none; }
.github-link { min-height: 34px; padding: 0 12px; display: inline-flex; align-items: center; gap: 7px; border: 1px solid #d8dee4; border-radius: 5px; background: #fff; color: #1f2328; font-size: 13px; font-weight: 750; text-decoration: none; box-shadow: 0 1px 0 rgba(31, 35, 40, .1); }
.github-link:hover { background: #f3f4f6; }
.github-link svg { width: 17px; height: 17px; fill: currentColor; }

.hero {
  position: relative;
  min-height: min(760px, 84svh);
  overflow: hidden;
  display: flex;
  align-items: center;
  background: #061a36;
}

.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 56% center; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4, 18, 39, .98) 0%, rgba(4, 18, 39, .9) 31%, rgba(4, 18, 39, .25) 66%, rgba(4, 18, 39, .08) 100%); }
.hero-content { position: relative; z-index: 2; width: min(650px, 48%); margin-left: clamp(22px, 7vw, 110px); padding-top: 64px; color: #fff; }
.eyebrow { margin: 0 0 14px; color: #ff9b2f; font-size: 12px; line-height: 1.4; font-weight: 850; letter-spacing: 0; }
.hero h1 { margin: 0; font-size: clamp(58px, 8vw, 112px); line-height: .92; letter-spacing: 0; }
.hero-line { margin: 24px 0 0; color: #69dcff; font-size: clamp(24px, 3vw, 40px); line-height: 1.1; font-weight: 800; }
.hero-copy { max-width: 560px; margin: 18px 0 0; color: #d9e6ed; font-size: clamp(17px, 1.5vw, 21px); line-height: 1.55; }
.hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 48px; padding: 0 20px; border-radius: 6px; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; text-decoration: none; }
.button.primary { background: #ff941f; color: #14231c; }
.button.secondary { border: 1px solid rgba(255, 255, 255, .55); color: #fff; backdrop-filter: blur(8px); }
.button.dark { background: #103f72; color: #fff; }
.next { position: absolute; z-index: 2; left: 50%; bottom: 18px; transform: translateX(-50%); color: #fff; font-size: 13px; font-weight: 750; text-decoration: none; }
.next span { margin-left: 8px; }

.takeaway { padding: clamp(70px, 9vw, 120px) clamp(22px, 7vw, 110px); }
.section-heading { max-width: 720px; }
.section-heading h2, .proof h2 { margin: 0; font-size: clamp(38px, 5vw, 66px); line-height: 1.02; letter-spacing: 0; }
.section-heading > p:last-child { margin: 18px 0 0; color: #5f6d66; font-size: 19px; line-height: 1.6; }
.qr-gallery { margin-top: 56px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid #cbd7d0; border-bottom: 1px solid #cbd7d0; }
.qr-item { min-width: 0; padding: clamp(28px, 4vw, 54px); display: grid; grid-template-columns: minmax(160px, 240px) minmax(0, 1fr); align-items: center; gap: clamp(24px, 4vw, 48px); }
.qr-item + .qr-item { border-left: 1px solid #cbd7d0; }
.qr-item > a:first-child { display: block; padding: 10px; background: #fff; border: 1px solid #d8e1dc; }
.qr-item img { width: 100%; display: block; }
.qr-item span { color: #65736c; font-size: 11px; font-weight: 850; }
.qr-item h3 { margin: 8px 0; font-size: clamp(30px, 3vw, 44px); letter-spacing: 0; }
.qr-item p { margin: 0 0 18px; color: #5f6d66; line-height: 1.55; }
.qr-item div > a { color: #12658a; font-weight: 750; overflow-wrap: anywhere; }

.proof { padding: clamp(60px, 8vw, 100px) clamp(22px, 7vw, 110px); display: grid; grid-template-columns: 1.3fr 1fr auto; align-items: end; gap: clamp(28px, 5vw, 72px); background: #e9f6f0; border-top: 1px solid #c7ded3; }
.proof > p { margin: 0; color: #4e6258; font-size: 17px; line-height: 1.65; }
footer { min-height: 86px; padding: 22px clamp(22px, 7vw, 110px); display: flex; align-items: center; justify-content: space-between; gap: 20px; background: #071c36; color: #fff; }
footer span { color: #a9bec9; font-size: 13px; }

@media (max-width: 900px) {
  .hero { min-height: 760px; align-items: flex-end; }
  .hero-image { object-position: 64% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(4, 18, 39, .99) 0%, rgba(4, 18, 39, .88) 46%, rgba(4, 18, 39, .1) 100%); }
  .hero-content { width: auto; margin: 0; padding: 300px 22px 82px; }
  .hero h1 { font-size: clamp(54px, 17vw, 82px); }
  .qr-gallery { grid-template-columns: 1fr; }
  .qr-item + .qr-item { border-left: 0; border-top: 1px solid #cbd7d0; }
  .proof { grid-template-columns: 1fr; align-items: start; }
  .proof .button { width: fit-content; }
}

@media (max-width: 560px) {
  .site-header { height: 68px; padding-inline: 18px; }
  .brand img { width: 165px; }
  .header-link { display: none; }
  .github-link { min-height: 32px; padding-inline: 10px; }
  .hero { min-height: 720px; }
  .hero-image { object-position: 59% top; height: 58%; }
  .hero-content { padding: 320px 18px 70px; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .button { padding-inline: 12px; font-size: 14px; }
  .next { display: none; }
  .takeaway { padding-inline: 18px; }
  .qr-item { padding: 30px 0; grid-template-columns: minmax(132px, 42%) minmax(0, 1fr); gap: 18px; }
  .qr-item h3 { font-size: 30px; }
  .qr-item p { font-size: 14px; }
  .proof { padding-inline: 18px; }
  footer { padding-inline: 18px; align-items: flex-start; flex-direction: column; }
}