:root {
  --bg: #f3f8fb;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #ffffff;
  --line: rgba(14, 31, 53, 0.1);
  --text: #122033;
  --muted: #5a6a7b;
  --accent: #0c8fff;
  --accent-soft: #d9f1ff;
  --teal: #0aa68c;
  --shadow: 0 18px 50px rgba(20, 41, 63, 0.12);
  --radius: 28px;
  --page: min(1160px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(12, 143, 255, 0.2), transparent 32%),
    radial-gradient(circle at 80% 10%, rgba(10, 166, 140, 0.18), transparent 24%),
    linear-gradient(180deg, #f9fcff 0%, #eef5f8 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.shell {
  width: var(--page);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(243, 248, 251, 0.74);
  border-bottom: 1px solid transparent;
}

.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 15px;
}

.nav a:hover,
.footer-links a:hover,
.inline-links a:hover {
  color: var(--accent);
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.button {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #20b7f6 68%, var(--teal));
  box-shadow: 0 14px 34px rgba(12, 143, 255, 0.24);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
}

.button:hover,
.button-secondary:hover {
  transform: translateY(-1px);
}

.hero {
  padding: 54px 0 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 34px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(12, 143, 255, 0.16);
  color: var(--muted);
  font-size: 14px;
}

h1 {
  margin: 18px 0 14px;
  font-size: clamp(3rem, 6vw, 5.7rem);
  line-height: 0.92;
  letter-spacing: -0.08em;
}

.hero p,
.lede {
  max-width: 52ch;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

.cta-row,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-panel {
  position: relative;
  min-height: 560px;
  padding: 26px;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.72)),
    linear-gradient(135deg, rgba(12, 143, 255, 0.16), rgba(10, 166, 140, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-window {
  position: absolute;
  inset: 22px 22px auto 22px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(12, 143, 255, 0.12);
  box-shadow: 0 18px 50px rgba(26, 46, 68, 0.12);
}

.window-toolbar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(18, 32, 51, 0.08);
}

.window-dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
}

.window-body {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
  padding: 16px;
}

.hero-video,
.hero-inspector {
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(11, 31, 52, 0.94), rgba(19, 49, 70, 0.88));
  overflow: hidden;
}

.hero-video {
  min-height: 348px;
  position: relative;
}

.hero-video::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 42% 36%, rgba(255, 255, 255, 0.18), transparent 18%),
    linear-gradient(135deg, rgba(12, 143, 255, 0.55), rgba(18, 32, 51, 0.04)),
    linear-gradient(180deg, rgba(13, 90, 163, 0.32), rgba(4, 15, 26, 0.15));
}

.crop-frame {
  position: absolute;
  inset: 58px 72px 74px 54px;
  border: 3px solid rgba(255, 255, 255, 0.9);
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.crop-frame::before,
.crop-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, transparent 33%, rgba(255, 255, 255, 0.25) 33%, rgba(255, 255, 255, 0.25) 34%, transparent 34%, transparent 66%, rgba(255, 255, 255, 0.25) 66%, rgba(255, 255, 255, 0.25) 67%, transparent 67%),
    linear-gradient(to bottom, transparent 33%, rgba(255, 255, 255, 0.25) 33%, rgba(255, 255, 255, 0.25) 34%, transparent 34%, transparent 66%, rgba(255, 255, 255, 0.25) 66%, rgba(255, 255, 255, 0.25) 67%, transparent 67%);
}

.hero-inspector {
  min-height: 348px;
  padding: 16px;
  background: rgba(247, 250, 252, 0.94);
  border: 1px solid rgba(18, 32, 51, 0.08);
}

.stack {
  display: grid;
  gap: 12px;
}

.panel-card {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(18, 32, 51, 0.08);
}

.panel-card h3,
.section h2,
.doc h1,
.doc h2 {
  letter-spacing: -0.05em;
}

.section {
  padding: 28px 0;
}

.section-header {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.grid-three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid rgba(18, 32, 51, 0.08);
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
}

.kicker {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.split-feature {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 22px;
  align-items: stretch;
}

.policy-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.doc {
  padding: 36px 0 64px;
}

.doc-shell {
  display: grid;
  grid-template-columns: minmax(0, 780px) minmax(240px, 320px);
  gap: 24px;
}

.doc article,
.doc aside {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid rgba(18, 32, 51, 0.08);
  box-shadow: var(--shadow);
}

.doc h1 {
  margin-top: 0;
  font-size: clamp(2.3rem, 4vw, 3.5rem);
  line-height: 0.98;
}

.doc h2 {
  margin-top: 28px;
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.doc p,
.doc li {
  color: var(--muted);
  line-height: 1.72;
}

.doc ul {
  padding-left: 20px;
}

.meta-list {
  display: grid;
  gap: 12px;
  font-size: 15px;
}

.meta-list strong {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}

.note {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(12, 143, 255, 0.08);
  border: 1px solid rgba(12, 143, 255, 0.14);
}

.site-footer {
  padding: 36px 0 56px;
}

.footer-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(18, 32, 51, 0.08);
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 980px) {
  .hero-grid,
  .grid-three,
  .grid-two,
  .split-feature,
  .policy-grid,
  .doc-shell,
  .window-body {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }

  .hero-panel {
    min-height: 500px;
  }
}

@media (max-width: 640px) {
  :root {
    --page: min(100vw - 28px, 1160px);
  }

  .hero {
    padding-top: 30px;
  }

  h1 {
    font-size: 2.9rem;
  }

  .hero p,
  .lede {
    font-size: 17px;
  }

  .button,
  .button-secondary {
    width: 100%;
  }
}