:root {
  color-scheme: light;
  --ink: #101d38;
  --ink-soft: #42506a;
  --muted: #69758b;
  --canvas: #f7f9fc;
  --surface: #ffffff;
  --sky: #eaf1fb;
  --sky-deep: #d8e6f7;
  --line: #dce3ec;
  --blue: #315de8;
  --blue-dark: #2348c5;
  --mint: #4fa78c;
  --navy: #0d1930;
  --radius: 18px;
  --page: min(1180px, calc(100vw - 64px));
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin: 0; }
section[id] { scroll-margin-top: 96px; }

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

.skip-link {
  position: fixed;
  z-index: 100;
  left: 20px;
  top: 16px;
  transform: translateY(-80px);
  background: var(--navy);
  color: white;
  padding: 11px 16px;
  border-radius: 8px;
}
.skip-link:focus { transform: translateY(0); }

.scroll-meter {
  position: fixed;
  z-index: 90;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  pointer-events: none;
}
.scroll-meter span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--blue);
  transform: scaleX(var(--scroll, 0));
  transform-origin: left;
}

.site-header {
  position: fixed;
  z-index: 80;
  left: 50%;
  top: 17px;
  width: var(--page);
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px 0 17px;
  border: 1px solid transparent;
  border-radius: 14px;
  transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
  transform: translateX(-50%);
}
.site-header.is-scrolled {
  background: rgba(247, 249, 252, 0.94);
  border-color: rgba(166, 179, 199, 0.45);
  box-shadow: 0 8px 26px rgba(38, 57, 92, 0.07);
  backdrop-filter: blur(18px) saturate(1.12);
}
.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 9px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.face-mark {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--blue);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.primary-nav { display: flex; align-items: center; gap: 5px; }
.primary-nav a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0 13px;
  border-radius: 9px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 560;
  transition: color 140ms ease, background-color 140ms ease;
}
.primary-nav a:hover { color: var(--ink); background: rgba(255, 255, 255, 0.72); }
.primary-nav .nav-action { color: white; background: var(--blue); margin-left: 7px; padding-inline: 17px; }
.primary-nav .nav-action:hover { color: white; background: var(--blue-dark); }
.menu-button { display: none; }

.hero {
  position: relative;
  min-height: 940px;
  padding-top: 154px;
  overflow: hidden;
  background:
    linear-gradient(104deg, rgba(247, 249, 252, 0) 45%, rgba(202, 224, 247, 0.5) 100%),
    var(--canvas);
}
.hero-atmosphere { position: absolute; inset: 0; pointer-events: none; }
.hero-atmosphere::before {
  content: "";
  position: absolute;
  width: 56vw;
  height: 900px;
  right: -9vw;
  top: -210px;
  background: linear-gradient(151deg, rgba(141, 194, 243, 0.52), rgba(234, 241, 251, 0.05) 62%);
  clip-path: polygon(32% 0, 100% 0, 100% 84%, 0 100%, 18% 48%);
}
.hero-atmosphere svg { position: absolute; bottom: 0; width: 100%; height: 57%; }
.hero-atmosphere path { fill: none; stroke: rgba(75, 111, 169, 0.18); stroke-width: 1.2; }
.hero-copy {
  position: relative;
  z-index: 3;
  width: var(--page);
  margin: 0 auto;
}
.availability-note {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 560;
}
.availability-note span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(79, 167, 140, 0.11);
}
.hero h1 {
  max-width: 760px;
  margin-top: 24px;
  font-size: clamp(62px, 7.7vw, 112px);
  line-height: 0.92;
  letter-spacing: -0.071em;
  font-weight: 760;
}
.hero-intro {
  max-width: 475px;
  margin-top: 31px;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.58;
  letter-spacing: -0.018em;
}
.hero-actions { display: flex; align-items: center; gap: 23px; margin-top: 31px; }
.button {
  min-height: 48px;
  border: 0;
  border-radius: 10px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 670;
  transition: background-color 150ms ease, color 150ms ease, box-shadow 150ms ease, transform 90ms ease;
}
.button:active { transform: scale(0.975); }
.button-primary {
  color: white;
  background: var(--blue);
  box-shadow: 0 5px 12px rgba(49, 93, 232, 0.16);
}
.button-primary:hover { background: var(--blue-dark); box-shadow: 0 7px 16px rgba(49, 93, 232, 0.20); }
.button-dark { color: white; background: #15233d; }
.button-dark:hover { background: #1e3154; }
.text-action {
  min-height: 44px;
  border: 0;
  padding: 0;
  background: none;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 14px;
  font-weight: 620;
}
.text-action:hover { color: var(--blue); }
.hero-product {
  position: absolute;
  z-index: 2;
  left: calc(50% + 16px);
  top: 230px;
  width: min(840px, 61vw);
  padding: 8px;
  border-radius: 21px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: 0 36px 80px rgba(48, 73, 114, 0.22), 0 4px 14px rgba(48, 73, 114, 0.10);
  transform: rotate(1.4deg);
  transform-origin: 34% 52%;
}
.hero-product img { width: 100%; border-radius: 14px; }
.scan-glint {
  position: absolute;
  inset: 8px;
  overflow: hidden;
  border-radius: 14px;
  pointer-events: none;
}
.scan-glint::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -30%;
  width: 18%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.31), transparent);
  transform: skewX(-13deg);
  animation: scan-pass 8s cubic-bezier(.45, 0, .2, 1) infinite;
}
@keyframes scan-pass { 0%, 60% { transform: translateX(0) skewX(-13deg); } 82%, 100% { transform: translateX(760%) skewX(-13deg); } }
.hero-footnote {
  position: absolute;
  z-index: 3;
  left: max(32px, calc((100vw - 1180px) / 2));
  bottom: 62px;
  color: var(--muted);
  font-size: 13px;
}

.principle {
  padding: 116px max(32px, calc((100vw - 1180px) / 2)) 92px;
  background: var(--surface);
}
.principle-heading { display: grid; grid-template-columns: 140px 1fr; align-items: center; max-width: 900px; }
.large-mark { width: 92px; fill: none; stroke: var(--blue); stroke-width: 2.7; stroke-linecap: round; stroke-linejoin: round; }
.principle h2, .experience h2, .details h2, .offer h2, .availability h2, .questions h2 {
  font-size: clamp(42px, 5.2vw, 74px);
  line-height: 0.98;
  letter-spacing: -0.06em;
  font-weight: 750;
}
.principle-heading p { margin-top: 17px; color: var(--muted); font-size: 18px; }
.privacy-path {
  display: grid;
  grid-template-columns: 1fr 62px 1fr 62px 1fr;
  align-items: start;
  gap: 0;
  margin-top: 86px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.privacy-path article { padding-right: 10px; }
.path-index { color: var(--blue); font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums; }
.privacy-path h3 { margin-top: 30px; font-size: 20px; letter-spacing: -0.03em; }
.privacy-path p { max-width: 280px; margin-top: 9px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.path-connector { height: 70px; display: grid; place-items: center; }
.path-connector span { width: 36px; height: 1px; background: var(--line); position: relative; }
.path-connector span::after { content: ""; position: absolute; right: 0; top: -2px; width: 5px; height: 5px; border-top: 1px solid #9ba9bd; border-right: 1px solid #9ba9bd; transform: rotate(45deg); }
.truth-strip { max-width: 790px; margin: 78px 0 0 auto; padding: 27px 0 0 88px; border-top: 1px solid var(--line); }
.truth-strip p { color: var(--ink-soft); font-size: 16px; line-height: 1.68; }
.truth-strip strong { color: var(--ink); }

.experience {
  display: grid;
  grid-template-columns: minmax(360px, 0.72fr) minmax(620px, 1.28fr);
  gap: 70px;
  align-items: center;
  min-height: 840px;
  padding: 110px max(32px, calc((100vw - 1180px) / 2));
  overflow: hidden;
  background: #edf3fa;
}
.experience-copy > p { max-width: 420px; margin-top: 24px; color: var(--ink-soft); font-size: 17px; line-height: 1.62; }
.screen-tabs { display: flex; align-items: center; gap: 5px; margin-top: 42px; padding-bottom: 13px; border-bottom: 1px solid #ced9e7; }
.screen-tabs button {
  min-height: 40px;
  padding: 0 13px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 620;
}
.screen-tabs button:hover { color: var(--ink); }
.screen-tabs button[aria-selected="true"] { color: white; background: var(--blue); }
.screen-caption { min-height: 116px; padding-top: 25px; }
.screen-caption h3 { font-size: 18px; letter-spacing: -0.025em; }
.screen-caption p { max-width: 390px; margin-top: 8px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.screen-stage { position: relative; width: min(780px, 63vw); }
.screen-stage::before {
  content: "";
  position: absolute;
  inset: 15% -11% -14% 22%;
  background: rgba(174, 202, 231, 0.46);
  clip-path: polygon(7% 0, 100% 16%, 89% 100%, 0 81%);
}
.screen-stage img {
  position: relative;
  z-index: 2;
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(160, 176, 198, 0.54);
  box-shadow: 0 30px 60px rgba(41, 63, 100, 0.16);
  transition: opacity 140ms ease;
}
.screen-stage img.is-changing { opacity: 0.55; }
.screen-rail { position: absolute; z-index: 3; top: -18px; right: 22px; display: flex; gap: 6px; }
.screen-rail span { width: 5px; height: 5px; border-radius: 50%; background: #9fb1c9; }
.screen-rail span:first-child { background: var(--blue); }

.details { padding: 124px max(32px, calc((100vw - 1180px) / 2)); background: var(--navy); color: white; }
.details-intro { display: grid; grid-template-columns: 0.42fr 1fr; gap: 80px; align-items: start; }
.details-intro > p { padding-top: 12px; color: #9eabc0; font-size: 14px; }
.details h2 { max-width: 780px; }
.detail-lines { margin-top: 102px; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.detail-lines article { display: grid; grid-template-columns: 0.42fr 0.72fr 1fr; gap: 80px; align-items: baseline; padding: 30px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.14); }
.detail-lines span { color: #7fa1ff; font-size: 13px; font-weight: 650; }
.detail-lines h3 { font-size: 20px; letter-spacing: -0.025em; }
.detail-lines p { color: #aeb8c9; font-size: 14px; line-height: 1.65; }

.offer {
  display: grid;
  grid-template-columns: 1.1fr 0.6fr 0.9fr;
  grid-template-areas: "copy price list" "copy action note";
  column-gap: 70px;
  row-gap: 28px;
  align-items: end;
  padding: 125px max(32px, calc((100vw - 1180px) / 2));
  background: var(--surface);
}
.offer-copy { grid-area: copy; align-self: start; }
.offer-copy p { max-width: 370px; margin-top: 20px; color: var(--muted); font-size: 16px; }
.offer-price { grid-area: price; align-self: start; }
.offer-price > div { display: flex; align-items: flex-start; }
.offer-price .currency { margin-top: 17px; margin-right: 2px; color: var(--muted); font-size: 24px; }
.offer-price strong { font-size: 86px; line-height: 0.9; letter-spacing: -0.07em; }
.price-note { margin: 10px 0 0 12px; color: var(--muted); font-size: 11px; line-height: 1.45; text-transform: uppercase; }
.offer-price > p { margin-top: 14px; color: var(--muted); font-size: 12px; }
.offer-list { grid-area: list; align-self: start; list-style: none; margin: 7px 0 0; padding: 0; }
.offer-list li { display: flex; gap: 10px; margin: 0 0 13px; color: var(--ink-soft); font-size: 14px; }
.offer-list span { color: var(--mint); font-weight: 800; }
.offer > .button { grid-area: action; justify-self: start; }
.offer-fineprint { grid-area: note; max-width: 315px; color: var(--muted); font-size: 11px; line-height: 1.55; }

.availability { padding: 118px max(32px, calc((100vw - 1180px) / 2)); background: #e5edf7; }
.availability-topline { display: flex; justify-content: space-between; gap: 80px; align-items: end; }
.availability-topline > div { max-width: 820px; }
.availability-topline p { max-width: 660px; margin-top: 21px; color: var(--ink-soft); font-size: 16px; line-height: 1.65; }
.release-panel { margin-top: 62px; padding: 34px 0 0; border-top: 1px solid #bccadd; }
.release-state { display: flex; align-items: center; gap: 14px; }
.status-light { width: 12px; height: 12px; border-radius: 50%; background: #94a2b6; box-shadow: 0 0 0 5px rgba(148, 162, 182, 0.13); }
.status-light.is-preview { background: #d2983a; box-shadow: 0 0 0 5px rgba(210, 152, 58, 0.13); }
.status-light.is-error { background: #cf5b5b; box-shadow: 0 0 0 5px rgba(207, 91, 91, 0.13); }
.release-state div { display: flex; flex-direction: column; }
.release-state small { color: var(--muted); font-size: 11px; }
.release-state strong { margin-top: 2px; font-size: 18px; }
.release-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; margin-top: 41px; }
.release-columns h3 { font-size: 13px; }
.release-columns ul { list-style: none; padding: 0; margin: 16px 0 0; }
.release-columns li { position: relative; margin-top: 11px; padding-left: 19px; color: var(--ink-soft); font-size: 14px; }
.release-columns li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--mint); }
.release-columns > div:last-child li::before { background: #d2983a; }
.release-meta { margin-top: 30px; color: var(--muted); font-size: 12px; }

.questions { padding: 125px max(32px, calc((100vw - 1180px) / 2)); background: var(--surface); }
.questions h2 { max-width: 700px; }
.question-list { max-width: 820px; margin: 62px 0 0 auto; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; min-height: 78px; display: flex; align-items: center; padding-right: 44px; cursor: pointer; list-style: none; font-size: 17px; font-weight: 640; letter-spacing: -0.018em; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 5px; color: var(--blue); font-size: 24px; font-weight: 350; transition: transform 160ms ease; }
details[open] summary::after { transform: rotate(45deg); }
details p { max-width: 680px; padding: 0 48px 27px 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  padding: 38px max(32px, calc((100vw - 1180px) / 2));
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
}
.footer-brand { color: var(--ink); }
.footer-meta { justify-self: end; }

:focus-visible { outline: 3px solid rgba(49, 93, 232, 0.32); outline-offset: 3px; }

@media (max-width: 980px) {
  :root { --page: calc(100vw - 40px); }
  .hero { min-height: 980px; }
  .hero-product { left: 26%; top: 500px; width: 88vw; }
  .hero-footnote { bottom: 36px; }
  .privacy-path { grid-template-columns: 1fr; gap: 0; }
  .privacy-path article { padding: 25px 0 30px; border-bottom: 1px solid var(--line); }
  .privacy-path h3 { margin-top: 14px; }
  .path-connector { display: none; }
  .experience { grid-template-columns: 1fr; gap: 48px; }
  .screen-stage { width: 100%; }
  .details-intro, .detail-lines article { grid-template-columns: 1fr; gap: 16px; }
  .detail-lines article { align-items: start; }
  .offer { grid-template-columns: 1fr 1fr; grid-template-areas: "copy copy" "price list" "action note"; }
}

@media (max-width: 720px) {
  :root { --page: calc(100vw - 28px); }
  .site-header { top: 9px; height: 54px; }
  .site-header.is-open { background: rgba(247, 249, 252, 0.98); border-color: var(--line); }
  .menu-button { width: 44px; height: 44px; border: 0; border-radius: 8px; background: transparent; display: grid; place-content: center; gap: 4px; cursor: pointer; }
  .menu-button span:not(.sr-only) { width: 18px; height: 1.5px; background: var(--ink); transition: transform 150ms ease, opacity 150ms ease; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
  .primary-nav { position: absolute; left: -1px; right: -1px; top: 62px; display: none; flex-direction: column; align-items: stretch; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: rgba(247, 249, 252, 0.98); box-shadow: 0 14px 30px rgba(32, 50, 80, 0.10); }
  .site-header.is-open .primary-nav { display: flex; }
  .primary-nav a { justify-content: center; }
  .primary-nav .nav-action { margin: 4px 0 0; }
  .hero { min-height: 805px; padding-top: 122px; }
  .hero h1 { font-size: clamp(54px, 17vw, 78px); line-height: 0.95; }
  .hero-intro { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 8px; }
  .hero-product { top: 510px; left: 12%; width: 104vw; padding: 5px; border-radius: 14px; box-shadow: 0 22px 48px rgba(48, 73, 114, 0.18); }
  .hero-product img, .scan-glint { border-radius: 10px; }
  .hero-footnote { display: none; }
  .principle, .experience, .details, .offer, .availability, .questions { padding: 86px 22px; }
  .principle-heading { grid-template-columns: 1fr; gap: 25px; }
  .large-mark { width: 70px; }
  .principle h2, .experience h2, .details h2, .offer h2, .availability h2, .questions h2 { font-size: clamp(42px, 13vw, 58px); }
  .truth-strip { margin-top: 54px; padding-left: 0; }
  .experience { min-height: auto; }
  .screen-tabs { overflow-x: auto; }
  .screen-tabs button { flex: 0 0 auto; }
  .details-intro > p { padding-top: 0; }
  .detail-lines { margin-top: 60px; }
  .detail-lines article { padding: 25px 0; }
  .offer { grid-template-columns: 1fr; grid-template-areas: "copy" "price" "list" "action" "note"; row-gap: 33px; }
  .offer-price strong { font-size: 74px; }
  .availability-topline { flex-direction: column; align-items: flex-start; gap: 28px; }
  .release-columns { grid-template-columns: 1fr; gap: 32px; }
  .question-list { margin-top: 45px; }
  footer { grid-template-columns: 1fr; justify-items: start; }
  .footer-meta { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}
