:root {
  color-scheme: dark;
  --background: #06162c;
  --background-soft: #0b203b;
  --surface: #142a47;
  --surface-strong: #1b3454;
  --border: rgba(132, 166, 203, 0.2);
  --text: #f8fbff;
  --muted: #b7c4d5;
  --mint: #72e6bd;
  --mint-dark: #082f32;
  --orange: #ff6b1a;
  --gold: #ffc447;
  --shadow: 0 24px 64px rgba(0, 0, 0, 0.26);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 92% 2%, rgba(255, 107, 26, 0.15), transparent 28rem),
    radial-gradient(circle at 4% 24%, rgba(114, 230, 189, 0.11), transparent 30rem),
    var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--mint);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #9af0d1;
}

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

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  padding: 24px 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(114, 230, 189, 0.35);
  border-radius: 13px;
  background: linear-gradient(145deg, #0b2850, #07172d);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
  font-size: 23px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-links a[aria-current="page"],
.nav-links a:hover {
  color: var(--text);
}

main {
  padding: 58px 0 96px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  align-items: center;
  gap: 56px;
  padding: 60px;
  border: 1px solid rgba(255, 107, 26, 0.34);
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(27, 52, 84, 0.96), rgba(12, 34, 62, 0.96));
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.15;
}

h1 {
  max-width: 820px;
  margin-bottom: 18px;
  font-size: clamp(2.45rem, 6vw, 4.8rem);
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.18rem;
}

.lead {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-visual {
  display: grid;
  min-height: 260px;
  place-items: center;
}

.focus-ring {
  display: grid;
  width: min(260px, 70vw);
  aspect-ratio: 1;
  place-items: center;
  border: 7px solid var(--mint);
  border-radius: 50%;
  box-shadow:
    0 0 0 24px rgba(114, 230, 189, 0.07),
    0 0 0 52px rgba(255, 107, 26, 0.06);
  font-size: clamp(4.5rem, 12vw, 7.8rem);
}

.hero-app-icon {
  width: min(280px, 72vw);
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 26%;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.4),
    0 0 0 22px rgba(114, 230, 189, 0.06),
    0 0 0 46px rgba(255, 107, 26, 0.045);
}

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

.actions {
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 15px;
  background: var(--mint);
  color: var(--mint-dark);
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  color: var(--mint-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(114, 230, 189, 0.18);
}

.button.secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.trust-row {
  margin-top: 26px;
}

.pill {
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(5, 20, 40, 0.42);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 650;
}

.pill-accent {
  border-color: rgba(255, 107, 26, 0.48);
  background: rgba(255, 107, 26, 0.14);
  color: #ffd0b9;
}

.availability {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: rgba(5, 20, 40, 0.45);
}

.availability > div {
  padding: 20px 24px;
}

.availability > div + div {
  border-left: 1px solid var(--border);
}

.availability strong,
.availability span {
  display: block;
}

.availability strong {
  color: var(--text);
  font-size: 0.95rem;
}

.availability span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.78rem;
}

.section {
  padding-top: 76px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

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

.card,
.prose-card {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(27, 52, 84, 0.86), rgba(14, 36, 65, 0.9));
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.16);
}

.card {
  padding: 26px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.card-icon {
  display: grid;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: 14px;
  background: rgba(114, 230, 189, 0.12);
  color: var(--mint);
  font-size: 1.35rem;
}

.link-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.link-card {
  display: block;
  padding: 30px;
  color: var(--text);
  text-decoration: none;
}

.link-card:hover {
  border-color: rgba(114, 230, 189, 0.5);
  color: var(--text);
}

.link-card span {
  color: var(--mint);
  font-weight: 750;
}

.page-header {
  max-width: 820px;
  margin-bottom: 36px;
}

.page-header h1 {
  font-size: clamp(2.5rem, 6vw, 4.4rem);
}

.prose {
  max-width: 860px;
}

.prose-card {
  padding: clamp(26px, 5vw, 52px);
}

.prose section + section {
  margin-top: 42px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose strong {
  color: var(--text);
}

.prose ul {
  padding-left: 1.25rem;
}

.notice,
.contact-box {
  margin: 28px 0;
  padding: 22px;
  border-radius: 18px;
}

.notice {
  border: 1px solid rgba(114, 230, 189, 0.32);
  background: rgba(114, 230, 189, 0.08);
}

.contact-box {
  border: 1px solid rgba(255, 107, 26, 0.34);
  background: rgba(255, 107, 26, 0.08);
}

.contact-box p,
.notice p {
  margin: 0;
}

.contact-box p + p,
.notice p + p {
  margin-top: 8px;
}

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

details:first-of-type {
  border-top: 0;
}

summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 750;
}

details p {
  margin-bottom: 0;
}

.site-footer {
  padding: 30px 0 44px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 36px 26px;
  }

  .hero-visual {
    min-height: 210px;
  }

  .focus-ring {
    width: 190px;
  }

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

  .availability > div + div {
    border-top: 1px solid var(--border);
    border-left: 0;
  }

  .grid,
  .link-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 580px) {
  .shell {
    width: min(100% - 28px, 1120px);
  }

  .nav {
    align-items: flex-start;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-end;
    gap: 7px;
  }

  main {
    padding-top: 34px;
  }

  .actions .button {
    width: 100%;
  }

  .footer-content {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}