:root {
  --petroleum: #082f35;
  --petroleum-deep: #062429;
  --copper: #d57a55;
  --copper-strong: #b95f3f;
  --paper: #f5f8f7;
  --mist: #e4ecea;
  --ink: #182626;
  --muted: #536b6b;
  --white: #fff;
  --line: #bed0cd;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI Variable Text", "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--copper); outline-offset: 4px; }
.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 20; padding: .75rem 1rem; background: var(--white); color: var(--petroleum); }
.skip-link:focus { top: 1rem; }

.site-head {
  min-height: 76px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 0 clamp(1.25rem, 5vw, 5.5rem);
  background: var(--petroleum);
  color: var(--white);
}
.brand { color: var(--white); font-size: 1.7rem; font-weight: 520; letter-spacing: -.03em; text-decoration: none; }
.brand strong, .mini-brand strong { color: var(--copper); font-weight: 780; }
.site-head nav { display: flex; gap: 1.7rem; }
.site-head nav a { color: #d5e1df; font-size: .88rem; text-decoration: none; }
.site-head nav a:hover { color: var(--white); }
.head-action { justify-self: end; color: var(--copper); font-size: .88rem; font-weight: 750; text-decoration: none; }

.opening {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: minmax(280px, .82fr) minmax(480px, 1.18fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 7rem);
  padding: clamp(4rem, 8vw, 8rem) clamp(1.25rem, 5vw, 5.5rem);
  overflow: hidden;
  background: var(--petroleum);
  color: var(--white);
}
.opening-copy { position: relative; z-index: 2; }
.kicker { margin: 0 0 1rem; color: var(--copper); font-size: .82rem; font-weight: 760; }
h1, h2, h3 { font-family: "Segoe UI Variable Display", "Segoe UI", sans-serif; }
h1 { max-width: 11ch; margin: 0; font-size: clamp(3.1rem, 6.7vw, 6rem); line-height: .96; letter-spacing: -.04em; }
.lead { max-width: 58ch; margin: 1.7rem 0 0; color: #d5e1df; font-size: clamp(1rem, 1.6vw, 1.2rem); line-height: 1.65; }
.primary-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: .75rem 1.2rem; border-radius: 6px; font-weight: 760; text-decoration: none; }
.button.primary { background: var(--copper); color: var(--ink); }
.button.primary:hover { background: var(--copper-strong); color: var(--white); }
.button.quiet { border: 1px solid #76908e; color: var(--white); }
.button[aria-disabled="true"] { cursor: not-allowed; opacity: .72; }
.microcopy, .availability { color: #b9cac7; font-size: .78rem; }

.flow-demo {
  position: relative;
  z-index: 1;
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 2.25rem);
  border-radius: 14px 0 0 14px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 18px 24px 46px rgba(0,0,0,.22);
}
.flow-demo::after {
  position: absolute;
  top: 0; right: -30vw; bottom: 0;
  width: 30vw;
  background: var(--paper);
  content: "";
}
.demo-title, .demo-facts { display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .78rem; }
.demo-title > span:first-child { color: var(--ink); font-weight: 760; }
.status i { width: 7px; height: 7px; display: inline-block; margin-right: .35rem; border-radius: 50%; background: var(--copper); }
.demo-url { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: .75rem; margin: 1.5rem 0; padding: .6rem .6rem .6rem 1rem; border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.demo-url > span:nth-child(2) { overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; }
.demo-url strong { padding: .75rem 1rem; border-radius: 5px; background: var(--copper); }
.flow-steps { margin: 0; padding: 0; list-style: none; }
.flow-steps li { display: grid; grid-template-columns: 44px 1fr; gap: 1rem; padding: 1.25rem 0; border-top: 1px solid var(--line); }
.flow-steps b { color: var(--copper-strong); font-size: .82rem; }
.flow-steps span { display: grid; gap: .3rem; }
.flow-steps small { color: var(--muted); }
.demo-progress { height: 6px; margin-top: 1rem; overflow: hidden; border-radius: 3px; background: var(--mist); }
.demo-progress span { width: var(--progress); height: 100%; display: block; background: var(--copper-strong); transform-origin: left; animation: progress-in 900ms cubic-bezier(.16,1,.3,1) both; }
.demo-facts { margin-top: .7rem; }

.continuity, .product-proof, .license-section, .responsibility, .closing { padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 7vw, 8rem); }
.continuity { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(3rem, 9vw, 9rem); }
.section-intro { position: sticky; top: 2rem; align-self: start; }
h2 { max-width: 15ch; margin: 0; color: var(--petroleum); font-size: clamp(2.3rem, 5vw, 4.8rem); line-height: 1.02; letter-spacing: -.035em; }
.journey { position: relative; }
.journey::before { position: absolute; top: 2rem; bottom: 2rem; left: 22px; width: 2px; background: var(--copper); content: ""; }
.journey article { position: relative; display: grid; grid-template-columns: 46px 1fr; gap: 1.5rem; padding: 1.5rem 0 3.5rem; }
.journey-mark { z-index: 1; width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; background: var(--copper); color: var(--ink); font-weight: 800; }
.journey h3 { margin: 0; color: var(--petroleum); font-size: 1.45rem; }
.journey p { max-width: 60ch; margin: .65rem 0 0; color: var(--muted); line-height: 1.65; }

.product-proof { position: relative; display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; gap: clamp(2rem, 7vw, 7rem); background: var(--mist); }
.proof-copy > p:not(.kicker) { max-width: 62ch; color: var(--muted); line-height: 1.7; }
.proof-copy dl { margin: 2rem 0 0; }
.proof-copy dl div { display: grid; grid-template-columns: 130px 1fr; gap: 1rem; padding: .9rem 0; border-top: 1px solid var(--line); }
.proof-copy dt { color: var(--muted); font-size: .8rem; }
.proof-copy dd { margin: 0; font-size: .9rem; }
.app-window { min-height: 440px; display: grid; grid-template-columns: 145px 1fr; overflow: hidden; border-radius: 12px; background: var(--paper); box-shadow: 14px 18px 36px rgba(6,36,41,.18); }
.app-window aside { display: flex; flex-direction: column; justify-content: space-between; padding: 1.25rem; background: var(--petroleum); color: var(--white); }
.mini-brand { font-size: 1.2rem; }
.app-window aside small { color: #c3d4d1; }
.app-surface { padding: 1.5rem; }
.window-input { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); }
.window-input b { padding: .55rem 1rem; border-radius: 4px; background: var(--copper); color: var(--ink); }
.window-columns { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1rem; margin-top: 1.5rem; }
.media-block { min-height: 290px; display: grid; place-items: center; background: var(--mist); color: var(--muted); }
.capture-block { display: flex; flex-direction: column; gap: 1.5rem; padding: 1rem 0; }
.capture-block > span { font-weight: 760; }
.capture-block > div { display: flex; justify-content: space-between; }
.capture-block i { width: 30px; height: 30px; border: 1px solid var(--copper); border-radius: 50%; }
.capture-block button { margin-top: auto; padding: .8rem; border: 0; border-radius: 5px; background: var(--mist); color: var(--muted); }
.illustration-note { position: absolute; right: clamp(1.25rem, 7vw, 8rem); bottom: 2rem; max-width: 60ch; color: var(--muted); font-size: .72rem; }

.license-section { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 3rem; background: var(--petroleum); color: var(--white); }
.license-section h2 { color: var(--white); }
.license-section > div:first-child > p:last-child { max-width: 62ch; color: #c7d7d4; line-height: 1.65; }
.license-action { min-width: 270px; display: grid; gap: .65rem; padding: 1.5rem; border-top: 2px solid var(--copper); background: var(--petroleum-deep); }
.license-action > span { color: #c7d7d4; font-size: .8rem; }
.license-action > strong { font-size: 2rem; }
.license-action small { color: #b9cac7; }

.responsibility { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 9vw, 9rem); }
.responsibility-copy { max-width: 68ch; color: var(--muted); line-height: 1.75; }
.closing { text-align: center; background: var(--copper); }
.closing h2 { max-width: 17ch; margin-inline: auto; color: var(--ink); }
.closing > p { max-width: 60ch; margin: 1.25rem auto; }
.closing .primary { background: var(--petroleum); color: var(--white); }
.closing .availability { color: #5d3325; }
.site-foot { min-height: 100px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; padding: 1.5rem clamp(1.25rem, 5vw, 5.5rem); background: var(--petroleum-deep); color: #b9cac7; font-size: .78rem; }
.site-foot p:last-child { justify-self: end; }

@keyframes progress-in { from { transform: scaleX(.08); } to { transform: scaleX(1); } }
@media (max-width: 980px) {
  .site-head { grid-template-columns: 1fr auto; }
  .site-head nav { display: none; }
  .opening { grid-template-columns: 1fr; }
  .flow-demo { margin-right: -5.5rem; }
  .continuity, .product-proof { grid-template-columns: 1fr; }
  .section-intro { position: static; }
  .license-section, .responsibility { grid-template-columns: 1fr; }
  .license-action { min-width: 0; }
}
@media (max-width: 640px) {
  .site-head { min-height: 66px; padding-inline: 1rem; }
  .head-action { font-size: .78rem; }
  .opening { min-height: auto; padding: 4.5rem 1rem; }
  h1 { font-size: clamp(2.9rem, 15vw, 4.3rem); }
  .flow-demo { margin-right: -1rem; padding: 1rem; border-radius: 10px 0 0 10px; }
  .demo-url { grid-template-columns: auto minmax(0,1fr); }
  .demo-url strong { grid-column: 1 / -1; text-align: center; }
  .continuity, .product-proof, .license-section, .responsibility, .closing { padding: 4.5rem 1rem; }
  .app-window { min-height: 380px; grid-template-columns: 1fr; }
  .app-window aside { min-height: 62px; flex-direction: row; }
  .window-columns { grid-template-columns: 1fr; }
  .media-block { min-height: 160px; }
  .illustration-note { position: static; grid-column: 1; margin: 0; }
  .proof-copy dl div { grid-template-columns: 1fr; gap: .3rem; }
  .site-foot { grid-template-columns: 1fr; gap: .5rem; text-align: center; }
  .site-foot p { margin: 0; }
  .site-foot p:last-child { justify-self: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}