:root {
  --obsidian: #0f0f11;
  --graphite: #0d1214;
  --graphite-teal: #101c1e;
  --slate: #314044;
  --ice: #ebf3f6;
  --ice-muted: #d5dee3;
  --steel: #a8bec5;
  --teal-deep: #264e54;
  --teal: #3b6d74;
  --cyan: #58a4aa;
  --cyan-soft: #72c5c8;
  --coral: #cc5351;
  --wine: #7f4447;
  --ink: #13282c;
  --paper: #f7fbfc;
  --line-dark: rgba(168, 190, 197, 0.22);
  --line-light: rgba(38, 78, 84, 0.2);
  --max-width: 1240px;
  --side: clamp(22px, 5vw, 72px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: linear-gradient(var(--graphite) 0 840px, transparent 840px), var(--paper);
  font-family: "Avenir Next", Avenir, "Segoe UI", "Noto Sans Arabic", sans-serif;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(38, 78, 84, 0.035) 1px, transparent 1px) 0 0 / 96px 96px;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: var(--graphite);
  background: var(--cyan-soft);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header,
main,
footer {
  width: min(var(--max-width), calc(100% - (var(--side) * 2)));
  margin-inline: auto;
}
.site-header {
  min-height: 104px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: var(--ice);
  border-bottom: 1px solid var(--line-dark);
}
.wordmark {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  column-gap: 5px;
  text-decoration: none;
  letter-spacing: -0.03em;
}
.wordmark strong,
.wordmark span { font-size: 19px; font-weight: 680; }
.wordmark strong { color: var(--cyan-soft); }
.wordmark span { color: var(--coral); }
.wordmark small {
  grid-column: 1 / -1;
  margin-top: 4px;
  color: var(--steel);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 38px); }
nav a { color: var(--steel); font-size: 12px; font-weight: 650; text-decoration: none; }
nav a:hover { color: var(--ice); }
.nav-download { padding: 11px 16px; border: 1px solid rgba(114, 197, 200, 0.45); color: var(--ice); }

.hero {
  min-height: 730px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(40px, 6vw, 92px);
  align-items: center;
  overflow: clip;
  color: var(--ice);
}
.hero-copy { padding: 82px 0 110px; }
.signal,
.section-kicker,
.section-label span,
.platform-copy > p,
dt {
  margin: 0;
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.signal { display: flex; align-items: center; gap: 10px; color: var(--cyan-soft); }
.signal span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-soft);
  box-shadow: 0 0 18px rgba(114, 197, 200, 0.8);
}
h1,
h2,
h3,
p { margin-top: 0; }
h1 {
  margin: 28px 0 30px;
  font-size: clamp(52px, 6.6vw, 93px);
  font-weight: 560;
  line-height: 0.94;
  letter-spacing: -0.062em;
}
h1 em { color: var(--cyan-soft); font-style: normal; font-weight: 420; }
.hero-lede { max-width: 650px; margin-bottom: 18px; color: var(--ice-muted); font-size: clamp(17px, 2vw, 20px); line-height: 1.6; }
.hero-arabic {
  max-width: 610px;
  margin: 0;
  color: var(--steel);
  font-family: "Noto Sans Arabic", "Geeza Pro", sans-serif;
  font-size: 15px;
  line-height: 1.9;
}
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 26px; margin-top: 36px; }
.primary-action {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  padding: 0 22px;
  color: var(--graphite);
  background: var(--cyan-soft);
  font-size: 13px;
  font-weight: 760;
  text-decoration: none;
}
.primary-action:hover { background: var(--ice); }
.text-action { color: var(--ice-muted); font-size: 13px; text-decoration: none; }
.text-action span { margin-left: 9px; color: var(--coral); }
.identity-frame {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-dark);
  background: var(--obsidian);
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.32);
}
.identity-frame::before,
.identity-frame::after { content: ""; position: absolute; z-index: 2; pointer-events: none; }
.identity-frame::before { inset: -16px 18px 16px -18px; border: 1px solid rgba(88, 164, 170, 0.24); }
.identity-frame::after {
  width: 92px;
  height: 92px;
  right: -26px;
  bottom: -24px;
  border-right: 1px solid var(--coral);
  border-bottom: 1px solid var(--coral);
}
.identity-frame img { width: 100%; aspect-ratio: 1407 / 768; object-fit: cover; }
.identity-frame figcaption {
  position: absolute;
  z-index: 3;
  left: 20px;
  right: 20px;
  bottom: 16px;
  color: rgba(235, 243, 246, 0.64);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.specimen-rail {
  position: relative;
  z-index: 4;
  min-height: 134px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 0 100px;
  padding: 0;
  color: var(--ice);
  background: var(--teal-deep);
  list-style: none;
  box-shadow: 0 24px 64px rgba(38, 78, 84, 0.2);
}
.specimen-rail li {
  position: relative;
  display: grid;
  grid-template-columns: 35px 1fr;
  align-content: center;
  padding: 24px 28px;
  border-right: 1px solid rgba(235, 243, 246, 0.16);
}
.specimen-rail li:last-child { border-right: 0; }
.specimen-rail span { grid-row: 1 / 3; color: var(--cyan-soft); font: 700 10px/1 ui-monospace, monospace; }
.specimen-rail strong { font-size: 14px; }
.specimen-rail small { margin-top: 6px; color: var(--steel); font-size: 11px; }

.product-intro {
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
  gap: clamp(44px, 8vw, 130px);
  padding: 44px 0 100px;
}
.section-label { padding-top: 13px; border-top: 2px solid var(--teal); }
.section-label span { color: var(--teal); }
.section-label p { max-width: 170px; margin: 12px 0 0; color: var(--slate); font-size: 13px; line-height: 1.55; }
h2 {
  margin-bottom: 26px;
  color: var(--teal-deep);
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 540;
  line-height: 1;
  letter-spacing: -0.052em;
}
.intro-copy > p { max-width: 800px; margin: 0; color: #536a70; font-size: 19px; line-height: 1.68; }
.laboratory-field { position: relative; margin: 0 0 100px; overflow: hidden; background: var(--ice-muted); }
.laboratory-field img { width: 100%; aspect-ratio: 1534 / 704; object-fit: cover; }
.field-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 20px 26px;
  color: var(--ice);
  background: rgba(13, 18, 20, 0.82);
  backdrop-filter: blur(12px);
}
.field-caption strong { font-size: 14px; }
.field-caption span { color: var(--steel); font-size: 12px; }
.capabilities { border-top: 1px solid var(--line-light); }
.capabilities article {
  display: grid;
  grid-template-columns: minmax(170px, 0.28fr) minmax(0, 1fr) 180px;
  gap: 32px;
  align-items: baseline;
  padding: 36px 0;
  border-bottom: 1px solid var(--line-light);
}
.capabilities p { margin: 0; color: var(--teal); font-size: 12px; font-weight: 720; }
.capabilities h3 { max-width: 700px; margin: 0; color: var(--ink); font-size: clamp(20px, 2.5vw, 30px); font-weight: 510; line-height: 1.3; letter-spacing: -0.025em; }
.capabilities span { color: #6b8186; font-size: 11px; text-align: right; text-transform: uppercase; letter-spacing: 0.08em; }

.assurance {
  margin-top: 110px;
  padding: 90px clamp(28px, 5vw, 72px);
  color: var(--ice);
  background: linear-gradient(120deg, rgba(88, 164, 170, 0.08), transparent 55%), var(--graphite-teal);
}
.assurance-copy { display: grid; grid-template-columns: 0.3fr 0.75fr 0.55fr; gap: 36px; align-items: start; }
.section-kicker { color: var(--cyan); }
.assurance h2 { margin: -5px 0 0; color: var(--ice); }
.assurance-copy > p:last-child { margin: 0; color: var(--steel); font-size: 15px; line-height: 1.7; }
.boundary-flow { display: grid; grid-template-columns: 1fr 72px 1fr 72px 1fr; align-items: center; margin-top: 62px; }
.boundary-flow > div { min-height: 132px; display: grid; align-content: center; padding: 20px; border: 1px solid var(--line-dark); }
.boundary-flow span { color: var(--cyan-soft); font: 700 10px/1 ui-monospace, monospace; }
.boundary-flow strong { margin-top: 17px; font-size: 16px; }
.boundary-flow small { margin-top: 7px; color: var(--steel); font-size: 11px; }
.boundary-flow i { position: relative; height: 1px; background: var(--cyan); }
.boundary-flow i::after { content: ""; position: absolute; right: 0; top: -3px; border: 4px solid transparent; border-left-color: var(--cyan); }

.release { padding: 120px 0 90px; }
.release-heading { display: grid; grid-template-columns: 1fr minmax(280px, 0.42fr); gap: 48px; align-items: end; }
.release-heading h2 { margin-bottom: 0; }
.beta-truth { padding: 16px 0 16px 20px; border-left: 3px solid var(--coral); }
.beta-truth strong { display: block; margin-bottom: 7px; color: var(--wine); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.beta-truth span { color: #60767b; font-size: 12px; line-height: 1.55; }
.release-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 48px 0 0;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}
.release-meta div { padding: 20px 18px 20px 0; }
.release-meta div + div { padding-left: 20px; border-left: 1px solid var(--line-light); }
dt { color: var(--teal); }
dd { margin: 8px 0 0; color: var(--ink); font: 650 12px/1.4 ui-monospace, "SFMono-Regular", monospace; overflow-wrap: anywhere; }
.download-list { border-bottom: 1px solid var(--line-light); }
.download-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 190px;
  gap: 32px;
  align-items: center;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-light);
}
.download-row:last-child { border-bottom: 0; }
.platform-index { color: var(--coral); font: 520 42px/1 ui-monospace, monospace; }
.platform-copy { min-width: 0; }
.platform-copy > p { margin-bottom: 5px; color: var(--teal); }
.platform-copy h3 { margin: 0 0 5px; color: var(--teal-deep); font-size: 25px; font-weight: 580; }
.platform-copy > span { color: #657b80; font-size: 13px; }
.platform-copy code { display: block; max-width: 700px; margin-top: 13px; overflow: hidden; color: #758a8f; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.download-link {
  min-width: 0;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  color: var(--ice);
  background: var(--teal-deep);
  font-size: 12px;
  font-weight: 720;
  text-decoration: none;
}
.download-link:hover { background: var(--teal); }
.download-link[aria-disabled="true"] { opacity: 0.42; pointer-events: none; }
.download-link b { color: var(--cyan-soft); font-size: 20px; }
.download-row.recommended { background: linear-gradient(90deg, rgba(88, 164, 170, 0.08), transparent 68%); }
.release-error { margin-top: 20px; padding: 15px 18px; border-left: 3px solid var(--coral); color: #712f32; background: rgba(204, 83, 81, 0.09); }
.release-notes { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-top: 26px; }
.release-notes p { max-width: 760px; margin: 0; color: #5e7479; font-size: 13px; line-height: 1.8; }
.release-notes a { flex: 0 0 auto; color: var(--teal-deep); font-size: 12px; font-weight: 730; }
footer {
  min-height: 126px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 42px;
  align-items: center;
  border-top: 1px solid var(--line-light);
}
footer div { display: flex; flex-direction: column; }
footer strong { color: var(--teal-deep); font-size: 14px; }
footer span,
footer p,
footer a { color: #70858a; font-size: 11px; }
footer p { margin: 0; }

a:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
@media (max-width: 940px) {
  body { background: linear-gradient(var(--graphite) 0 1100px, transparent 1100px), var(--paper); }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 70px 0 120px; }
  .hero-copy { padding: 0; }
  .identity-frame { width: min(720px, 100%); }
  .specimen-rail { grid-template-columns: repeat(2, 1fr); margin-top: -22px; }
  .specimen-rail li:nth-child(2) { border-right: 0; }
  .specimen-rail li:nth-child(-n + 2) { border-bottom: 1px solid rgba(235, 243, 246, 0.16); }
  .assurance-copy { grid-template-columns: 1fr 1fr; }
  .assurance-copy > p:last-child { grid-column: 2; }
  .boundary-flow { grid-template-columns: 1fr; gap: 15px; }
  .boundary-flow i { width: 1px; height: 24px; margin-left: 24px; }
  .boundary-flow i::after { right: -3px; top: auto; bottom: -7px; border-left-color: transparent; border-top-color: var(--cyan); }
}
@media (max-width: 720px) {
  :root { --side: 20px; }
  .site-header { min-height: 88px; }
  nav a:not(.nav-download) { display: none; }
  .hero { padding-top: 54px; }
  h1 { font-size: clamp(44px, 15vw, 67px); }
  .identity-frame::before { inset: -9px 10px 9px -10px; }
  .specimen-rail { grid-template-columns: 1fr; margin-bottom: 70px; }
  .specimen-rail li { border-right: 0; border-bottom: 1px solid rgba(235, 243, 246, 0.16); }
  .specimen-rail li:last-child { border-bottom: 0; }
  .product-intro,
  .release-heading { grid-template-columns: 1fr; }
  .product-intro { gap: 34px; padding-bottom: 70px; }
  .section-label p { max-width: none; }
  .field-caption { position: static; flex-direction: column; gap: 7px; }
  .capabilities article { grid-template-columns: 1fr; gap: 13px; }
  .capabilities span { text-align: left; }
  .assurance { margin-inline: calc(var(--side) * -1); padding-inline: var(--side); }
  .assurance-copy { grid-template-columns: 1fr; }
  .assurance-copy > p:last-child { grid-column: auto; }
  .release { padding-top: 90px; }
  .release-meta { grid-template-columns: 1fr; }
  .release-meta div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line-light); }
  .download-row { grid-template-columns: 48px minmax(0, 1fr); gap: 18px; }
  .download-link { grid-column: 1 / -1; width: 100%; }
  .release-notes { align-items: flex-start; flex-direction: column; }
  footer { grid-template-columns: 1fr; gap: 13px; padding: 28px 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }