:root {
  color-scheme: dark;
  --bg: #070a12;
  --bg-soft: #0d1220;
  --panel: rgba(17, 23, 39, .72);
  --panel-2: rgba(22, 30, 52, .82);
  --text: #f7f9ff;
  --muted: #aab4c9;
  --line: rgba(255,255,255,.1);
  --blue: #178cff;
  --blue-2: #0f63ff;
  --radius-xl: 34px;
  --radius-lg: 24px;
  --shadow: 0 28px 80px rgba(0,0,0,.36);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 10% 0%, rgba(25, 100, 255, .14), transparent 27rem),
    radial-gradient(circle at 95% 22%, rgba(0, 194, 255, .1), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, .button { font: inherit; }

.ambient { position: fixed; pointer-events: none; filter: blur(70px); opacity: .55; z-index: -1; border-radius: 999px; }
.ambient-a { width: 420px; height: 420px; top: 180px; left: -150px; background: #0637ff; }
.ambient-b { width: 520px; height: 520px; top: 960px; right: -260px; background: #0075ff; opacity: .3; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  width: min(1180px, calc(100% - 32px));
  margin: 16px auto 0;
  min-height: 68px;
  padding: 10px 12px 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(8, 12, 22, .7);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  box-shadow: 0 12px 40px rgba(0,0,0,.2);
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.02em; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.site-header nav { display: flex; align-items: center; gap: 8px; }
.site-header nav a { padding: 10px 12px; color: var(--muted); font-size: 14px; border-radius: 12px; transition: .2s ease; }
.site-header nav a:hover { color: white; background: rgba(255,255,255,.06); }
.site-header .nav-download { color: white; background: rgba(23,140,255,.16); border: 1px solid rgba(78,169,255,.24); }

main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.hero { min-height: 760px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 72px; padding: 84px 12px 54px; }
.eyebrow { color: #78bfff; text-transform: uppercase; letter-spacing: .16em; font-size: 12px; font-weight: 800; }
.hero h1 { margin: 18px 0 24px; font-size: clamp(58px, 7.5vw, 104px); line-height: .91; letter-spacing: -.065em; font-weight: 800; }
.hero h1 span { background: linear-gradient(100deg, #7ec4ff, #2c7cff 55%, #7acaff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { max-width: 650px; margin: 0; color: var(--muted); font-size: clamp(18px, 2.1vw, 23px); line-height: 1.52; letter-spacing: -.015em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 50px; padding: 0 20px; border-radius: 15px; font-weight: 700; font-size: 15px; transition: transform .18s ease, filter .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: white; background: linear-gradient(180deg, #2a9aff, #0b67f0); box-shadow: 0 10px 30px rgba(0,111,255,.3), inset 0 1px 0 rgba(255,255,255,.24); }
.button.secondary { color: #e8edf8; background: rgba(255,255,255,.06); border: 1px solid var(--line); }
.button-icon { font-size: 19px; line-height: 1; }
.micro { margin: 16px 0 0; color: #75829a; font-size: 13px; }

.hero-art { position: relative; display: grid; place-items: center; min-height: 520px; }
.hero-art img { width: min(500px, 90%); filter: drop-shadow(0 35px 70px rgba(0,0,0,.38)); animation: float 7s ease-in-out infinite; }
.icon-glow { position: absolute; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(13,122,255,.3), rgba(13,122,255,0) 68%); filter: blur(8px); }
@keyframes float { 0%,100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-16px) rotate(1deg); } }

.trust-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--line); box-shadow: var(--shadow); }
.trust-strip > div { padding: 26px 28px; background: rgba(14,20,34,.86); }
.trust-strip strong, .trust-strip span { display: block; }
.trust-strip strong { font-size: 17px; }
.trust-strip span { margin-top: 4px; color: var(--muted); font-size: 13px; }

.feature-section, .gallery-section, .details-section { padding-top: 150px; }
.section-heading { max-width: 760px; margin-bottom: 44px; }
.section-heading h2, .details-card h2, .cta h2 { margin: 13px 0 16px; font-size: clamp(38px, 5.6vw, 66px); line-height: 1; letter-spacing: -.05em; }
.section-heading p, .details-card p, .cta p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.6; }

.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.feature-card { min-height: 270px; padding: 30px; overflow: hidden; position: relative; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(18,26,45,.9), rgba(11,16,29,.88)); box-shadow: 0 18px 50px rgba(0,0,0,.16); }
.feature-card.large { grid-row: span 2; min-height: 558px; }
.feature-icon { width: 43px; height: 43px; display: grid; place-items: center; margin-bottom: 28px; border-radius: 12px; color: #83c8ff; background: rgba(22,132,255,.13); border: 1px solid rgba(93,176,255,.17); font-size: 22px; }
.feature-card h3 { margin: 0 0 11px; font-size: 24px; letter-spacing: -.03em; }
.feature-card p { margin: 0; max-width: 520px; color: var(--muted); line-height: 1.55; }
.mini-shot { position: absolute; left: 28px; right: 28px; bottom: 28px; border-radius: 20px; overflow: hidden; box-shadow: 0 18px 50px rgba(0,0,0,.22); border: 0; background: transparent; }
.mini-shot img { width: 100%; }

.gallery-section { padding-bottom: 30px; }
.appearance-switcher { display: inline-flex; gap: 4px; margin-bottom: 28px; padding: 4px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.04); }
.appearance-button { border: 0; color: var(--muted); background: transparent; padding: 9px 14px; border-radius: 10px; cursor: pointer; font-weight: 700; }
.appearance-button.active { color: white; background: rgba(255,255,255,.09); box-shadow: inset 0 0 0 1px rgba(255,255,255,.06); }
.preview-stage { position: relative; min-height: 790px; }
.preview-frame { width: 87%; overflow: hidden; border-radius: 20px; border: 0; box-shadow: 0 45px 100px rgba(0,0,0,.34); background: transparent; }
.preview-frame img { width: 100%; transition: opacity .22s ease; }
.preview-frame.offset { position: absolute; width: 72%; right: 0; top: 290px; }

.details-card { display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; padding: 54px; border: 1px solid var(--line); border-radius: var(--radius-xl); background: linear-gradient(145deg, rgba(17,24,42,.92), rgba(9,14,25,.92)); box-shadow: var(--shadow); }
.details-card h2 { font-size: clamp(38px, 4.8vw, 58px); }
dl { margin: 0; }
dl > div { display: flex; justify-content: space-between; gap: 30px; padding: 18px 0; border-bottom: 1px solid var(--line); }
dl > div:last-child { border-bottom: 0; }
dt { color: var(--muted); }
dd { margin: 0; font-weight: 700; }

.cta { margin: 150px 0 70px; padding: 34px; display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; border-radius: var(--radius-xl); border: 1px solid rgba(76,161,255,.18); background: radial-gradient(circle at 15% 50%, rgba(18,124,255,.16), transparent 25rem), rgba(15,22,38,.88); box-shadow: var(--shadow); }
.cta img { width: 98px; height: 98px; border-radius: 22px; }
.cta h2 { font-size: clamp(32px, 4vw, 50px); margin-bottom: 10px; }
.cta p { font-size: 16px; }

footer { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 0 0 42px; display: flex; align-items: center; justify-content: space-between; color: #71809a; font-size: 13px; }
.footer-brand { color: #cdd6e8; }
.footer-brand img { width: 30px; height: 30px; border-radius: 7px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }

@media (max-width: 900px) {
  .site-header nav a:not(.nav-download) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 18px; padding-top: 70px; }
  .hero-art { min-height: 390px; }
  .hero-art img { width: min(390px, 88%); }
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card.large { min-height: 520px; }
  .preview-stage { min-height: 600px; }
  .preview-frame { width: 96%; }
  .preview-frame.offset { top: 250px; width: 82%; }
  .details-card { grid-template-columns: 1fr; gap: 36px; padding: 36px; }
  .cta { grid-template-columns: auto 1fr; }
  .cta .button { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  main, footer, .site-header { width: min(100% - 20px, 1180px); }
  .site-header { margin-top: 10px; }
  .brand span { font-size: 14px; }
  .hero { padding: 64px 2px 30px; min-height: auto; }
  .hero h1 { font-size: 58px; }
  .lede { font-size: 18px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-art { min-height: 330px; }
  .trust-strip { grid-template-columns: 1fr 1fr; }
  .trust-strip > div { padding: 20px; }
  .feature-section, .gallery-section, .details-section { padding-top: 110px; }
  .feature-card { padding: 24px; }
  .feature-card.large { min-height: 470px; }
  .mini-shot { left: 24px; right: 24px; bottom: 24px; }
  .preview-stage { min-height: 430px; }
  .preview-frame { border-radius: 12px; }
  .preview-frame.offset { top: 165px; width: 86%; }
  .details-card { padding: 28px 24px; border-radius: 24px; }
  .cta { margin-top: 110px; padding: 26px; grid-template-columns: 1fr; text-align: left; }
  .cta img { width: 74px; height: 74px; }
  footer { align-items: flex-start; gap: 20px; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Foreground showcase window: keep it crisp against the rear preview. */
.preview-frame.offset {
  box-shadow: none;
}
