:root {
  color-scheme: light;
  --page: #f3eee8;
  --surface: #f8f4ee;
  --text: #4f504e;
  --muted: #77736e;
  --line: rgba(84, 78, 70, 0.12);
  --accent: #5fc6e7;
  --shadow: rgba(81, 72, 63, 0.14);
  font-family:
    -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page);
  color: var(--text);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 50% -10%, #ffffff 0, transparent 34rem),
    var(--page);
  line-height: 1.75;
}

a {
  color: inherit;
  text-decoration-color: rgba(79, 80, 78, 0.36);
  text-underline-offset: 0.22em;
}

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

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  margin-top: 14px;
  padding: 10px 12px 10px 14px;
  gap: 20px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 22px;
  background: rgba(248, 244, 238, 0.66);
  box-shadow:
    0 10px 28px rgba(81, 72, 63, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 720;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 11px;
}

.platform-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 9px;
  border: 1px solid rgba(79, 80, 78, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.header-side {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.035em;
  white-space: nowrap;
}

.header-meta::before {
  width: 7px;
  height: 7px;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  background: #7acfa4;
  box-shadow: 0 0 0 1px rgba(72, 122, 95, 0.16);
  content: "";
}

.nav {
  display: flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(79, 80, 78, 0.08);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.38);
  font-size: 0.82rem;
}

.nav a {
  padding: 6px 10px;
  border-radius: 9px;
  text-decoration: none;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.56);
}

.nav a:active {
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 1px 3px rgba(81, 72, 63, 0.12);
  transform: scale(0.98);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(270px, 390px);
  align-items: center;
  gap: clamp(34px, 8vw, 90px);
  min-height: min(820px, calc(100svh - 100px));
  padding: 50px 0 68px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.35;
  letter-spacing: 0.015em;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(2.35rem, 6vw, 4.4rem);
  font-weight: 780;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
}

h3 {
  margin-bottom: 8px;
  font-size: 1.04rem;
}

.lead {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 2vw, 1.2rem);
}

.availability-note {
  margin: 22px 0 0;
  color: #86817b;
  font-size: 0.86rem;
}

.phone {
  width: min(100%, 390px);
  margin-inline: auto;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 42px;
  background: rgba(255, 255, 255, 0.34);
  box-shadow:
    16px 22px 42px var(--shadow),
    -12px -12px 30px rgba(255, 255, 255, 0.7);
}

.phone img {
  display: block;
  width: 100%;
  border-radius: 34px;
}

.section {
  padding: 82px 0;
  border-top: 1px solid var(--line);
}

.section-intro {
  max-width: 38rem;
  margin-bottom: 34px;
  color: var(--muted);
}

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

.card,
.document {
  border: 1px solid rgba(255, 255, 255, 0.78);
  background: rgba(248, 244, 238, 0.76);
  box-shadow:
    8px 10px 22px rgba(81, 72, 63, 0.09),
    -6px -6px 18px rgba(255, 255, 255, 0.62);
}

.card {
  padding: 28px;
  border-radius: 24px;
}

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

.document {
  max-width: 760px;
  margin: 54px auto 90px;
  padding: clamp(28px, 6vw, 64px);
  border-radius: 30px;
}

.document p,
.document li {
  color: #65625e;
}

.document section + section {
  margin-top: 44px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.document ul,
.document ol {
  padding-left: 1.4em;
}

.callout {
  padding: 20px 22px;
  border-left: 4px solid var(--accent);
  border-radius: 0 16px 16px 0;
  background: rgba(255, 255, 255, 0.42);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  margin: 24px auto;
  padding: 24px 28px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 26px;
  background: rgba(248, 244, 238, 0.7);
  box-shadow:
    0 12px 28px rgba(81, 72, 63, 0.055),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 0.86rem;
}

.footer-brand,
.footer-side {
  display: flex;
  flex-direction: column;
}

.footer-brand {
  gap: 12px;
}

.footer-product {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-product img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.footer-product div {
  display: grid;
  gap: 1px;
}

.footer-product strong {
  color: var(--text);
  font-size: 0.94rem;
}

.footer-product span,
.footer-meta,
.footer-copyright {
  font-size: 0.75rem;
}

.footer-side {
  align-items: flex-end;
  gap: 12px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  font-weight: 630;
}

@media (max-width: 740px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
  }

  .header-meta {
    display: none;
  }

  .nav {
    font-size: 0.78rem;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 48px;
  }

  .hero-copy {
    text-align: center;
  }

  .lead {
    margin-inline: auto;
  }

  .phone {
    width: min(88vw, 360px);
  }

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

  .site-footer {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 22px;
  }

  .footer-side {
    align-items: flex-start;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .shell {
    width: min(100% - 24px, 1080px);
  }

  .site-header {
    min-height: 62px;
    margin-top: 8px;
    padding: 8px 9px;
    border-radius: 18px;
  }

  .brand {
    gap: 8px;
  }

  .brand img {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  .brand > span:not(.platform-tag) {
    display: none;
  }

  .nav a {
    padding-inline: 8px;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header,
  .site-footer {
    background: var(--surface);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (prefers-contrast: more) {
  .site-header,
  .site-footer,
  .nav {
    border-color: rgba(79, 80, 78, 0.42);
    background: var(--surface);
  }
}

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