:root {
  color-scheme: light;
  --bg: #fbfefc;
  --surface: rgba(255, 255, 255, 0.74);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --text: #0d2529;
  --muted: #526b70;
  --line: rgba(34, 128, 132, 0.14);
  --accent: #52ead2;
  --accent-2: #74d9ff;
  --accent-dark: #087c7d;
  --shadow: 0 28px 80px rgba(33, 145, 158, 0.14);
  --inner: inset 0 1px 0 rgba(255,255,255,.92), inset 0 -1px 0 rgba(51,185,190,.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 7%, rgba(82, 234, 210, 0.22), transparent 27rem),
    radial-gradient(circle at 86% 78%, rgba(116, 217, 255, 0.18), transparent 24rem),
    linear-gradient(180deg, #ffffff 0, #f8fffd 44rem, var(--bg));
  color: var(--text);
  font: 16px/1.75 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Segoe UI", sans-serif;
}

a { color: var(--accent-dark); }

.shell {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 760;
  text-decoration: none;
}

.mark {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.86);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(29, 152, 165, 0.16);
}

.mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.language-picker select {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 28px 4px 12px;
  background: var(--surface-strong);
  color: var(--text);
  font: inherit;
  font-size: 13px;
}

html[dir="rtl"] .language-picker select {
  padding: 4px 12px 4px 28px;
}

main { padding: 54px 0 80px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  align-items: center;
  gap: 60px;
  min-height: 520px;
}

.demo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
  align-items: center;
  gap: 64px;
  margin: 16px 0 72px;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: 36px;
  background:
    radial-gradient(circle at 78% 18%, rgba(82, 234, 210, .2), transparent 18rem),
    var(--surface);
  box-shadow: var(--shadow);
}

.demo-copy {
  max-width: 560px;
}

.demo-copy h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 48px);
}

.demo-copy p:last-child {
  color: var(--muted);
  font-size: 18px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.demo-device {
  width: min(100%, 340px);
  justify-self: center;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 36px;
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 24px 60px rgba(21, 113, 120, .2);
}

.demo-device video {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  border-radius: 27px;
  background: #d9f4ed;
  object-fit: cover;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.18;
  letter-spacing: -.025em;
}

h1 { max-width: 720px; font-size: clamp(44px, 7vw, 78px); }
h2 { margin-top: 44px; font-size: 28px; }
h3 { font-size: 19px; }

.lead {
  max-width: 640px;
  margin: 26px 0 34px;
  color: var(--muted);
  font-size: 19px;
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface);
  box-shadow: var(--inner);
  color: var(--text);
  font-weight: 680;
  text-decoration: none;
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #033234;
  box-shadow: 0 16px 34px rgba(34, 194, 198, .22), var(--inner);
}

.alarm {
  position: relative;
  min-height: 380px;
  border: 1px solid rgba(255,255,255,.86);
  border-radius: 46px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.78), rgba(255,255,255,.34)),
    url("smartwake-crystal-icon.png") center/88% auto no-repeat;
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(145%);
}

.alarm::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: var(--inner);
  pointer-events: none;
  content: "";
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 46px;
}

.feature, .document {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 16px 48px rgba(21, 126, 139, .08), var(--inner);
  backdrop-filter: blur(22px) saturate(140%);
}

.feature { padding: 26px; }
.feature p { margin-bottom: 0; color: var(--muted); }

.document {
  max-width: 820px;
  margin: 20px auto 0;
  padding: clamp(28px, 6vw, 64px);
}

.document.hero-document {
  max-width: 920px;
}

.policy-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 132px;
  align-items: center;
  gap: 28px;
  margin: -10px 0 26px;
}

.policy-icon {
  width: 132px;
  height: 132px;
  border: 1px solid rgba(255,255,255,.86);
  border-radius: 30px;
  background: #fff url("smartwake-crystal-icon.png") center/cover no-repeat;
  box-shadow: 0 18px 46px rgba(30, 151, 166, .18), var(--inner);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 22px 0 34px;
}

.summary-card {
  padding: 16px;
  border: 1px solid rgba(34, 128, 132, 0.12);
  border-radius: 18px;
  background: rgba(255,255,255,.68);
  box-shadow: var(--inner);
}

.summary-card strong {
  display: block;
  margin-bottom: 4px;
}

.document .meta { color: var(--muted); }
.document p, .document li { color: var(--muted); }
.document strong { color: var(--text); }
.document ul { padding-left: 22px; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 760px) {
  header, footer { align-items: flex-start; flex-direction: column; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .demo { grid-template-columns: 1fr; gap: 30px; padding: 28px 20px; }
  .alarm { min-height: 300px; margin: 20px 20px 0; }
  .features { grid-template-columns: 1fr; }
  .policy-hero { grid-template-columns: 1fr; }
  .policy-icon { width: 96px; height: 96px; }
  .summary-grid { grid-template-columns: 1fr; }
  main { padding-top: 24px; }
}