:root {
  color-scheme: dark;
  --background: #080f25;
  --background-deep: #100a20;
  --card: rgba(27, 38, 75, 0.72);
  --card-strong: #172344;
  --border: rgba(172, 194, 255, 0.16);
  --text: #f7f9ff;
  --muted: #aab3cf;
  --cyan: #0accea;
  --blue: #098eff;
  --purple: #9160ff;
  --green: #39d59d;
  --max-width: 1160px;
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(0, 180, 255, 0.14), transparent 34%),
    radial-gradient(circle at 90% 72%, rgba(126, 70, 248, 0.17), transparent 33%),
    linear-gradient(145deg, var(--background) 0%, #080f25 48%, var(--background-deep) 100%);
  line-height: 1.7;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 8px;
}

.page-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 53% 25%, rgba(13, 193, 239, 0.1), transparent 31%);
}

.site-header {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-header.compact {
  padding-bottom: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand img {
  border-radius: 12px;
}

.brand.small {
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a:hover,
.text-link:hover,
.footer-links a:hover,
.document a:hover {
  color: var(--cyan);
}

main {
  position: relative;
  z-index: 1;
}

.hero {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 34px auto 100px;
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(285px, 405px);
  gap: clamp(44px, 9vw, 112px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 26px;
  font-size: clamp(2.7rem, 5.8vw, 4.4rem);
  line-height: 1.17;
  letter-spacing: -0.055em;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--cyan), #66c2ff, #bd8aff);
  color: transparent;
  background-clip: text;
  -webkit-background-clip: text;
}

.lead {
  max-width: 530px;
  margin: 0 0 34px;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.4vw, 1.12rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 25px;
  margin-bottom: 27px;
}

.store-pill {
  min-width: 170px;
  display: inline-flex;
  align-items: center;
  gap: 13px;
  padding: 10px 19px 11px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
}

.store-pill small {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 500;
}

.apple-mark {
  font-size: 1.8rem;
  line-height: 1;
}

.text-link {
  color: var(--cyan);
  font-size: 0.94rem;
  font-weight: 600;
}

.trust-note {
  color: var(--muted);
  font-size: 0.88rem;
}

.hero-device {
  justify-self: center;
}

.device-frame {
  width: min(360px, 82vw);
  padding: 11px;
  border: 1px solid rgba(157, 183, 255, 0.2);
  border-radius: 53px;
  background: rgba(16, 22, 46, 0.8);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

.device-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 42px;
}

.feature-band,
.steps,
.privacy-callout {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto 88px;
}

.section-heading {
  margin-bottom: 36px;
  text-align: center;
}

.section-heading h2,
.privacy-callout h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3.5vw, 2.32rem);
  letter-spacing: -0.045em;
  line-height: 1.35;
}

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

.feature-card {
  min-height: 230px;
  padding: 30px 27px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
}

.icon-circle {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 50%;
  color: var(--cyan);
  background: rgba(7, 196, 235, 0.13);
  font-size: 1rem;
  font-weight: 700;
}

.icon-circle.bell {
  font-size: 1.28rem;
}

.feature-card h3 {
  margin: 0 0 9px;
  font-size: 1.15rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.step-list {
  max-width: 790px;
  margin: 0 auto;
  padding: 7px 0;
  list-style: none;
  counter-reset: step;
}

.step-list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 52px 112px 1fr;
  align-items: center;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}

.step-list li::before {
  content: counter(step);
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  color: var(--cyan);
  background: rgba(9, 160, 237, 0.13);
  font-weight: 700;
}

.step-list strong {
  font-size: 1.06rem;
}

.step-list span {
  color: var(--muted);
}

.privacy-callout {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 38px;
  padding: clamp(29px, 5vw, 46px);
  border: 1px solid rgba(23, 202, 235, 0.22);
  border-radius: 34px;
  background: linear-gradient(120deg, rgba(7, 183, 225, 0.1), rgba(80, 72, 205, 0.1));
}

.privacy-callout p:not(.eyebrow) {
  max-width: 610px;
  margin: 14px 0 0;
  color: var(--muted);
}

.button-secondary {
  flex-shrink: 0;
  padding: 13px 21px;
  border: 1px solid rgba(13, 204, 234, 0.32);
  border-radius: 14px;
  color: var(--cyan);
  background: rgba(13, 204, 234, 0.09);
  font-weight: 600;
}

.site-footer {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: 0 0 46px;
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  gap: 22px;
  margin-left: auto;
}

.copyright {
  margin: 0;
}

.document {
  width: min(calc(100% - 48px), 790px);
  margin: 48px auto 84px;
  padding: clamp(29px, 7vw, 62px);
  border: 1px solid var(--border);
  border-radius: 32px;
  background: var(--card);
}

.document h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 5vw, 2.7rem);
  letter-spacing: -0.05em;
}

.document .updated,
.document-lead {
  margin: 0 0 45px;
  color: var(--muted);
}

.document section {
  margin-top: 39px;
}

.document h2 {
  margin: 0 0 13px;
  font-size: 1.27rem;
  letter-spacing: -0.025em;
}

.document section p {
  margin: 0 0 13px;
  color: var(--muted);
}

.document a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.faq details {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.faq details:last-child {
  border-bottom: 1px solid var(--border);
}

.faq summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
}

.faq details p {
  margin: 12px 0 0;
}

.contact-box {
  padding: 24px;
  border: 1px solid rgba(13, 204, 234, 0.2);
  border-radius: 20px;
  background: rgba(13, 204, 234, 0.06);
}

.document-footer {
  justify-content: center;
}

@media (max-width: 840px) {
  .hero {
    margin-top: 14px;
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-copy {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-device {
    order: 2;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: auto;
  }

  .privacy-callout {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 580px) {
  .site-header {
    width: min(calc(100% - 36px), var(--max-width));
    padding-top: 19px;
    gap: 18px;
  }

  .brand span {
    display: none;
  }

  .nav-links {
    gap: 15px;
    font-size: 0.88rem;
  }

  .hero,
  .feature-band,
  .steps,
  .privacy-callout {
    width: min(calc(100% - 36px), var(--max-width));
  }

  .hero {
    margin-bottom: 72px;
  }

  .step-list li {
    grid-template-columns: 46px 1fr;
    gap: 10px 14px;
  }

  .step-list span {
    grid-column: 2;
  }

  .site-footer {
    flex-wrap: wrap;
    width: min(calc(100% - 36px), var(--max-width));
  }

  .footer-links {
    margin-left: 0;
  }

  .copyright {
    width: 100%;
  }

  .document {
    width: min(calc(100% - 36px), 790px);
    margin-top: 20px;
  }
}