:root {
  --bg: #050b14;
  --bg-deep: #03070d;
  --panel: #0b1523;
  --panel-raised: #0f1c2c;
  --line: rgba(110, 171, 197, 0.16);
  --line-bright: rgba(33, 216, 225, 0.34);
  --text: #f1f7fb;
  --muted: #94a9ba;
  --cyan: #18d4dd;
  --cyan-soft: #7deff3;
  --orange: #ffb33c;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  transform: translateY(-150%);
  border-radius: 8px;
  background: var(--cyan);
  color: #021013;
  padding: 10px 16px;
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(109, 172, 196, 0.12);
  background: rgba(4, 10, 18, 0.84);
  backdrop-filter: blur(18px);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  min-height: 68px;
  margin: 0 auto;
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 1.05rem; font-weight: 800; letter-spacing: .02em; }
.brand img { border-radius: 8px; box-shadow: 0 0 22px rgba(24, 212, 221, .18); }
nav { display: flex; align-items: center; gap: 28px; }
nav a { color: var(--muted); font-size: .9rem; font-weight: 650; text-decoration: none; transition: color .2s ease; }
nav a:hover { color: var(--text); }
.nav-download { border: 1px solid var(--line-bright); border-radius: 9px; color: var(--cyan-soft); padding: 8px 14px; }

.hero {
  position: relative;
  min-height: 860px;
  padding: 88px 24px 64px;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(rgba(5, 11, 20, .64), rgba(5, 11, 20, .96)),
    radial-gradient(circle at 50% 20%, rgba(20, 185, 199, .12), transparent 38%);
}
.hero::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  background-image: radial-gradient(circle, rgba(205, 241, 255, .25) 0 1px, transparent 1.2px);
  background-size: 78px 78px;
  opacity: .25;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}
.orb { position: absolute; z-index: -1; border-radius: 50%; filter: blur(8px); opacity: .18; }
.orb-one { width: 420px; height: 420px; top: 120px; left: -260px; border: 1px solid var(--cyan); box-shadow: 0 0 100px var(--cyan); }
.orb-two { width: 250px; height: 250px; top: 350px; right: -160px; background: var(--orange); filter: blur(130px); opacity: .07; }
.hero-content { position: relative; width: min(850px, 100%); margin: 0 auto; text-align: center; }
.eyebrow, .kicker { color: var(--cyan-soft); font-size: .76rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 28px; border: 1px solid var(--line); border-radius: 999px; background: rgba(12, 31, 45, .72); padding: 7px 13px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 12px var(--orange); }
.hero-logo { width: clamp(190px, 30vw, 310px); aspect-ratio: 1; margin: 0 auto 16px; border-radius: 24%; filter: drop-shadow(0 18px 52px rgba(16, 209, 220, .18)); }
h1 { margin: 0; font-size: clamp(4.1rem, 10vw, 7.5rem); line-height: .95; letter-spacing: -.065em; text-shadow: 0 0 45px rgba(24, 212, 221, .16); }
.hero-subtitle { margin: 28px 0 18px; font-size: clamp(1.3rem, 3.2vw, 2.05rem); font-weight: 650; line-height: 1.35; letter-spacing: -.02em; }
.hero-description { width: min(710px, 100%); margin: 0 auto; color: var(--muted); font-size: 1.04rem; }
.hero-actions { margin-top: 38px; }
.download-button {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: min(430px, 100%);
  border: 1px solid #5af5f7;
  border-radius: 14px;
  background: linear-gradient(135deg, #1cdbe2, #12b9c7);
  box-shadow: 0 14px 50px rgba(16, 200, 210, .24), inset 0 1px rgba(255, 255, 255, .35);
  color: #021115;
  padding: 14px 18px;
  text-align: left;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}
.download-button:hover { transform: translateY(-3px); box-shadow: 0 20px 60px rgba(16, 200, 210, .34), inset 0 1px rgba(255, 255, 255, .4); }
.download-button strong { display: block; font-size: 1rem; }
.download-button small { display: block; margin-top: 1px; color: rgba(2, 17, 21, .68); font-weight: 700; }
.windows-mark { display: grid; flex: 0 0 30px; grid-template-columns: repeat(2, 1fr); gap: 2px; width: 30px; height: 30px; transform: perspective(30px) rotateY(-8deg); }
.windows-mark i { background: #021115; }
.arrow { margin-left: auto; font-size: 1.55rem; font-weight: 900; }
.release-meta { display: flex; justify-content: center; gap: 8px; margin: 13px 0 5px; color: #b2c5d2; font-family: "Cascadia Mono", Consolas, monospace; font-size: .77rem; }
.download-status { margin: 0 auto; color: #7f95a6; font-size: .78rem; }
.download-status.is-starting { color: var(--cyan-soft); }
.signal-strip { display: flex; position: absolute; bottom: 20px; left: 50%; gap: 12px; transform: translateX(-50%); color: rgba(126, 199, 214, .18); font-family: Consolas, monospace; font-size: .76rem; white-space: nowrap; }
.signal-strip .active { color: var(--orange); text-shadow: 0 0 10px var(--orange); }

.section { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 110px 0; }
.section-alt { position: relative; width: 100%; padding-inline: max(20px, calc((100vw - 1180px) / 2)); border-block: 1px solid var(--line); background: linear-gradient(180deg, rgba(13, 28, 43, .52), rgba(8, 18, 30, .6)); }
.section-heading { width: min(700px, 100%); margin: 0 auto 52px; text-align: center; }
.section-heading.compact { margin-bottom: 42px; }
.kicker { margin: 0 0 10px; }
h2 { margin: 0; font-size: clamp(2rem, 5vw, 3.3rem); line-height: 1.1; letter-spacing: -.045em; }
.section-heading > p:last-child { color: var(--muted); margin: 18px 0 0; }
h3 { margin: 0; font-size: 1.04rem; line-height: 1.35; }

.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: process; }
.process-card, .feature-card { position: relative; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(145deg, rgba(16, 31, 47, .86), rgba(8, 18, 30, .92)); box-shadow: inset 0 1px rgba(255, 255, 255, .025); }
.process-card { min-height: 225px; padding: 26px; }
.process-card::after { position: absolute; right: -17px; top: 50%; z-index: 2; width: 32px; height: 1px; background: linear-gradient(90deg, var(--cyan), transparent); content: ""; opacity: .35; }
.process-card:nth-child(3)::after, .process-card:nth-child(6)::after { display: none; }
.step-number { position: absolute; top: 20px; right: 22px; color: rgba(123, 184, 199, .23); font-family: Consolas, monospace; font-weight: 700; }
.process-icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 20px; border: 1px solid var(--line-bright); border-radius: 11px; background: rgba(20, 198, 210, .08); color: var(--cyan-soft); font-size: 1.35rem; }
.process-card p, .feature-card p { margin: 10px 0 0; color: var(--muted); font-size: .9rem; }

.steps-list { display: grid; width: min(850px, 100%); margin: 0 auto; padding: 0; list-style: none; }
.steps-list li { display: grid; position: relative; grid-template-columns: 58px 1fr; gap: 20px; padding: 18px 0; }
.steps-list li:not(:last-child)::before { position: absolute; top: 58px; bottom: -3px; left: 26px; width: 1px; background: linear-gradient(var(--line-bright), var(--line)); content: ""; }
.steps-list li > span { display: grid; place-items: center; align-self: start; width: 54px; height: 54px; border: 1px solid var(--line-bright); border-radius: 50%; background: #0b1c29; color: var(--cyan-soft); font-family: Consolas, monospace; font-weight: 800; box-shadow: 0 0 25px rgba(20, 205, 215, .07); }
.steps-list p { margin: 4px 0 0; color: var(--muted); }

.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature-card { padding: 24px; transition: border-color .2s ease, transform .2s ease; }
.feature-card:hover { transform: translateY(-3px); border-color: var(--line-bright); }
.feature-card > span { display: block; margin-bottom: 28px; color: var(--cyan); font-size: 1.55rem; }
.feature-card:nth-child(2) > span, .feature-card:nth-child(7) > span { color: var(--orange); }

.download-info { padding-top: 40px; }
.privacy-panel { display: grid; grid-template-columns: 1.1fr .9fr; gap: 26px; border: 1px solid var(--line-bright); border-radius: 24px; background: radial-gradient(circle at 12% 10%, rgba(18, 207, 215, .1), transparent 38%), var(--panel); padding: clamp(28px, 5vw, 60px); box-shadow: var(--shadow); }
.privacy-copy > p:not(.kicker) { color: var(--muted); }
.check-list { display: grid; gap: 9px; margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; color: #c6d5df; }
.check-list li::before { position: absolute; left: 0; color: var(--cyan); content: "✓"; font-weight: 900; }
.notice-card { display: flex; align-items: flex-start; gap: 16px; align-self: center; border: 1px solid rgba(255, 179, 60, .3); border-radius: 16px; background: rgba(255, 179, 60, .055); padding: 22px; }
.notice-card p { margin: 7px 0 0; color: #b8a98e; font-size: .88rem; }
.notice-icon { display: grid; place-items: center; flex: 0 0 34px; width: 34px; height: 34px; border-radius: 50%; background: rgba(255, 179, 60, .14); color: var(--orange); font-weight: 900; }

.about { display: grid; grid-template-columns: 140px 1fr; align-items: center; gap: 30px; width: min(850px, calc(100% - 40px)); }
.about img { border-radius: 24px; box-shadow: 0 0 45px rgba(20, 205, 215, .12); }
.about p:last-child { color: var(--muted); }

footer { border-top: 1px solid var(--line); background: var(--bg-deep); }
.footer-content { display: grid; grid-template-columns: 1fr 2fr 1fr; align-items: center; gap: 30px; width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 38px 0; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { border-radius: 9px; }
.footer-brand strong, .footer-brand span { display: block; }
.footer-brand span { color: var(--muted); font-size: .75rem; }
.disclaimer { margin: 0; color: #788e9f; font-size: .76rem; text-align: center; }
.copyright { margin: 0; color: #788e9f; font-size: .76rem; text-align: right; }

@media (max-width: 900px) {
  nav a:not(.nav-download) { display: none; }
  .hero { min-height: 810px; padding-top: 72px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-card:nth-child(3)::after { display: block; }
  .process-card:nth-child(2n)::after { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .privacy-panel { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { justify-content: center; }
  .copyright { text-align: center; }
}

@media (max-width: 600px) {
  .nav-wrap { width: min(100% - 28px, 1180px); }
  .nav-download { padding: 6px 11px; }
  .hero { min-height: 760px; padding: 56px 18px 70px; }
  .eyebrow { font-size: .66rem; }
  h1 { font-size: clamp(3.8rem, 20vw, 5.5rem); }
  .hero-subtitle br { display: none; }
  .download-button { min-width: 100%; padding: 13px; }
  .download-button strong { font-size: .9rem; }
  .windows-mark { flex-basis: 26px; width: 26px; height: 26px; }
  .signal-strip { gap: 9px; }
  .section { width: min(100% - 28px, 1180px); padding: 78px 0; }
  .section-alt { width: 100%; padding-inline: 14px; }
  .process-grid, .features-grid { grid-template-columns: 1fr; }
  .process-card::after { display: none !important; }
  .steps-list li { grid-template-columns: 46px 1fr; gap: 14px; }
  .steps-list li > span { width: 44px; height: 44px; }
  .steps-list li:not(:last-child)::before { top: 48px; left: 21px; }
  .privacy-panel { padding: 25px 20px; }
  .about { grid-template-columns: 1fr; width: min(100% - 28px, 850px); text-align: center; }
  .about img { width: 86px; margin: 0 auto; }
  .footer-content { width: min(100% - 28px, 1180px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}