:root {
  --ink: #0c1830;
  --muted: #5f6b80;
  --line: #dfe6f1;
  --blue: #087cf0;
  --blue-dark: #063a96;
  --navy: #021c58;
  --cyan: #20c8ff;
  --gold: #ffc83d;
  --wash: #f4f8fd;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-geist-sans), Arial, sans-serif;
}
a { color: inherit; text-decoration: none; }
.shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }

.nav {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand > span:last-child { display: flex; flex-direction: column; gap: 1px; }
.brand strong { font-size: 18px; letter-spacing: -0.02em; }
.brand small { color: var(--muted); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; }
.brand-mark {
  position: relative;
  display: inline-grid;
  width: 72px;
  height: 72px;
  place-items: center;
  flex: 0 0 auto;
  border: 2px solid var(--cyan);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue) 55%, var(--navy));
  box-shadow: 0 18px 35px rgba(8, 124, 240, 0.25);
  color: white;
}
.brand-mark span { font-size: 38px; font-weight: 900; line-height: 1; }
.brand-mark i {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 11px;
  height: 11px;
  border: 1px solid white;
  border-radius: 50%;
  background: var(--gold);
}
.brand-mark--compact { width: 46px; height: 46px; box-shadow: none; }
.brand-mark--compact span { font-size: 25px; }
.brand-mark--compact i { width: 8px; height: 8px; right: 5px; bottom: 5px; }
.nav-actions { display: flex; align-items: center; gap: 24px; }
.text-link { color: var(--muted); font-size: 14px; font-weight: 600; }

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  border: 1px solid var(--blue);
  border-radius: 14px;
  background: var(--blue);
  box-shadow: 0 14px 32px rgba(8, 124, 240, 0.2);
  color: white;
  font-size: 15px;
  font-weight: 750;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(8, 124, 240, 0.28); }
.button--small { min-height: 42px; padding: 0 17px; border-radius: 11px; font-size: 13px; }
.button--ghost { border-color: var(--line); background: white; box-shadow: none; color: var(--ink); }
.button--white { border-color: white; background: white; box-shadow: none; color: var(--blue-dark); }
.download-icon { font-size: 21px; line-height: 1; }

.hero {
  min-height: 670px;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
  gap: 82px;
  padding-block: 60px 92px;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.eyebrow > span { width: 22px; height: 2px; background: var(--blue); }
.hero h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(50px, 6vw, 78px);
  line-height: .99;
  letter-spacing: -.062em;
}
.hero-summary {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.microcopy { margin: 17px 0 0; color: #7a8496; font-size: 12px; }

.release-card {
  position: relative;
  overflow: hidden;
  min-height: 500px;
  padding: 32px;
  border: 1px solid #153c7d;
  border-radius: 32px;
  background: linear-gradient(155deg, #082d74 0%, #041d4e 52%, #020f2f 100%);
  box-shadow: 0 35px 80px rgba(2, 28, 88, .27);
  color: white;
}
.release-card__glow {
  position: absolute;
  inset: -100px -110px auto auto;
  width: 310px;
  height: 310px;
  border-radius: 50%;
  background: rgba(32, 200, 255, .2);
  filter: blur(30px);
}
.release-card__top { position: relative; display: flex; align-items: center; justify-content: space-between; }
.verified {
  padding: 8px 11px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  color: #ccefff;
  font-size: 11px;
  font-weight: 700;
}
.release-card__body { position: relative; margin-top: 56px; }
.release-card__body p { margin: 0 0 8px; color: #86b9e8; font-size: 13px; text-transform: uppercase; letter-spacing: .12em; }
.release-card__body h2 { margin: 0; font-size: 38px; letter-spacing: -.04em; }
.release-card__body span { display: block; margin-top: 8px; color: #a9c7e9; font-size: 13px; }
.release-facts { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; margin: 42px 0 0; overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; background: rgba(255,255,255,.12); }
.release-facts div { padding: 16px 14px; background: rgba(2,20,56,.84); }
.release-facts dt { color: #86a9d2; font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.release-facts dd { margin: 6px 0 0; font-size: 13px; font-weight: 750; }
.release-download { position: absolute; right: 32px; bottom: 30px; left: 32px; display: flex; align-items: center; justify-content: space-between; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.15); color: #eaf7ff; font-size: 14px; font-weight: 750; }
.release-download span { color: var(--cyan); font-size: 19px; }

.trust-strip { border-block: 1px solid var(--line); background: var(--wash); }
.trust-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.trust-grid div { padding: 25px 28px; border-right: 1px solid var(--line); }
.trust-grid div:first-child { padding-left: 0; }
.trust-grid div:last-child { border-right: 0; }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { font-size: 17px; }
.trust-grid span { margin-top: 4px; color: var(--muted); font-size: 12px; }

.section { padding-block: 112px; }
.section-heading { max-width: 710px; }
.section-heading h2 { margin: 0; font-size: clamp(35px, 4.5vw, 55px); line-height: 1.08; letter-spacing: -.05em; }
.section-heading > p:last-child { color: #abc5e9; font-size: 16px; line-height: 1.75; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 55px; }
.feature-card { min-height: 270px; padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: white; transition: border .2s ease, transform .2s ease, box-shadow .2s ease; }
.feature-card:hover { transform: translateY(-5px); border-color: #9ed1ff; box-shadow: 0 22px 50px rgba(25, 64, 120, .1); }
.feature-card > span { color: var(--blue); font-family: var(--font-geist-mono), monospace; font-size: 12px; font-weight: 800; }
.feature-card h3 { margin: 55px 0 12px; font-size: 22px; letter-spacing: -.03em; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }

.section--blue { background: linear-gradient(135deg, #062963, #03143a); color: white; }
.update-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 90px; }
.section-heading--light .eyebrow { color: #9ee8ff; }
.eyebrow--light { color: #9ee8ff; }
.eyebrow--light > span { background: var(--cyan); }
.notes-card { padding: 34px; border: 1px solid rgba(255,255,255,.15); border-radius: 26px; background: rgba(255,255,255,.07); backdrop-filter: blur(12px); }
.notes-card h3 { margin: 0 0 23px; font-size: 20px; }
.notes-card ul { display: grid; gap: 17px; margin: 0; padding: 0; list-style: none; }
.notes-card li { display: flex; align-items: flex-start; gap: 12px; color: #d9e8fb; font-size: 14px; line-height: 1.55; }
.notes-card li span { display: grid; width: 21px; height: 21px; place-items: center; flex: 0 0 auto; border-radius: 50%; background: rgba(32,200,255,.16); color: var(--cyan); font-size: 11px; font-weight: 900; }

.install-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; }
.steps { display: grid; gap: 16px; margin: 0; padding: 0; list-style: none; }
.steps li { display: flex; gap: 18px; padding: 21px; border: 1px solid var(--line); border-radius: 18px; }
.steps li > span { display: grid; width: 36px; height: 36px; place-items: center; flex: 0 0 auto; border-radius: 11px; background: #e9f4ff; color: var(--blue-dark); font-weight: 850; }
.steps h3 { margin: 1px 0 6px; font-size: 16px; }
.steps p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.security-note { grid-column: 1 / -1; display: flex; align-items: center; gap: 14px; padding: 19px 22px; border: 1px solid #bddfc6; border-radius: 16px; background: #f1fbf3; }
.security-note > span { display: grid; width: 28px; height: 28px; place-items: center; border-radius: 50%; background: #17833b; color: white; font-weight: 900; }
.security-note strong { font-size: 13px; }
.security-note p { overflow-wrap: anywhere; margin: 3px 0 0; color: #4b6b54; font-family: var(--font-geist-mono), monospace; font-size: 10px; }

.cta { display: flex; align-items: center; justify-content: space-between; gap: 50px; margin-bottom: 80px; padding: 54px 58px; border-radius: 30px; background: linear-gradient(120deg, var(--blue-dark), var(--blue)); color: white; box-shadow: 0 30px 70px rgba(6,58,150,.2); }
.cta h2 { margin: 0; font-size: clamp(34px,4vw,52px); letter-spacing: -.05em; }
.cta p:last-child { max-width: 640px; margin: 13px 0 0; color: #d9edff; line-height: 1.65; }
.cta .button { flex: 0 0 auto; }

.footer { display: flex; min-height: 120px; align-items: center; justify-content: space-between; gap: 25px; border-top: 1px solid var(--line); }
.footer p, .footer > a:last-child { color: var(--muted); font-size: 12px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 45px; padding-top: 45px; }
  .release-card { max-width: 600px; width: 100%; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid div { border-bottom: 1px solid var(--line); }
  .trust-grid div:nth-child(2) { border-right: 0; }
  .trust-grid div:nth-child(3), .trust-grid div:nth-child(4) { border-bottom: 0; }
  .trust-grid div:first-child { padding-left: 28px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 220px; }
  .feature-card h3 { margin-top: 35px; }
  .update-layout, .install-section { grid-template-columns: 1fr; gap: 50px; }
  .cta { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 28px, 1160px); }
  .nav { height: 76px; }
  .nav .text-link { display: none; }
  .brand small { display: none; }
  .hero { min-height: 0; padding-block: 48px 70px; }
  .hero h1 { font-size: 48px; }
  .hero-summary { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .release-card { min-height: 515px; padding: 24px; border-radius: 25px; }
  .release-facts { grid-template-columns: 1fr; }
  .release-facts div { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; }
  .release-facts dd { margin: 0; }
  .release-download { right: 24px; bottom: 23px; left: 24px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid div, .trust-grid div:first-child { padding: 18px 10px; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-grid div:nth-child(3) { border-bottom: 1px solid var(--line); }
  .section { padding-block: 78px; }
  .feature-grid { margin-top: 38px; }
  .install-section { gap: 35px; }
  .cta { width: calc(100% - 28px); margin-bottom: 50px; padding: 35px 25px; border-radius: 24px; }
  .footer { align-items: flex-start; flex-direction: column; padding-block: 35px; }
}

.error-page { min-height: 100vh; display: flex; width: min(100% - 40px, 650px); margin: auto; align-items: center; justify-content: center; flex-direction: column; text-align: center; }
.error-page .eyebrow { margin-top: 30px; }
.error-page h1 { margin: 0; font-size: clamp(42px, 8vw, 72px); letter-spacing: -.05em; }
.error-page > p:not(.eyebrow) { margin: 18px 0 28px; color: var(--muted); }