:root {
  color-scheme: light dark;
  --background: #f8f5ef;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --text: #241f1a;
  --muted: #6f665c;
  --line: rgba(75, 59, 42, 0.14);
  --brand: #b75d12;
  --brand-strong: #8f4208;
  --brand-soft: #f3dfca;
  --shadow: 0 18px 50px rgba(82, 54, 27, 0.10);
  --radius: 24px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(224, 151, 79, 0.16), transparent 32rem),
    var(--background);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand-strong);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--brand);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--background) 86%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav {
  width: min(1080px, calc(100% - 36px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(153, 76, 10, 0.22);
}

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

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

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

.nav-links .blog-link {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface);
}

.nav-links .blog-link:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.container {
  width: min(920px, calc(100% - 36px));
  margin: 0 auto;
}

.hero {
  padding: 92px 0 62px;
  text-align: center;
}

.hero-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 22px;
  border-radius: 24px;
  box-shadow: 0 20px 46px rgba(142, 66, 8, 0.25);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.3;
  letter-spacing: -0.018em;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 7vw, 66px);
}

.hero-copy {
  max-width: 650px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 20px);
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 46px;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  background: var(--surface);
  font-weight: 650;
  text-decoration: none;
}

.button.primary {
  border-color: var(--brand);
  color: #fff;
  background: var(--brand);
}

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

.feature-grid {
  padding: 18px 0 86px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card-number {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--brand-strong);
  background: var(--brand-soft);
  font-weight: 800;
}

.card h2 {
  margin: 20px 0 8px;
  font-size: 20px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.document {
  padding: 64px 0 90px;
}

.document-header {
  margin-bottom: 28px;
}

.document-header h1 {
  font-size: clamp(34px, 5vw, 52px);
}

.document-meta {
  margin: 12px 0 0;
  color: var(--muted);
}

.document-body {
  padding: clamp(26px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.document-body h2 {
  margin: 42px 0 12px;
  font-size: 23px;
}

.document-body h2:first-child {
  margin-top: 0;
}

.document-body h3 {
  margin: 26px 0 6px;
  font-size: 18px;
}

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

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

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

.notice {
  margin: 24px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--brand);
  border-radius: 0 14px 14px 0;
  color: var(--muted);
  background: var(--brand-soft);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.support-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface-strong) 72%, var(--brand-soft));
}

.support-item h2,
.support-item h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.support-item p {
  margin: 0;
}

.contact-box {
  margin-top: 34px;
  padding: 28px;
  border-radius: 20px;
  color: #fff;
  background: var(--brand-strong);
}

.contact-box h2 {
  margin-top: 0;
}

.contact-box p {
  color: rgba(255, 255, 255, 0.82);
}

.contact-box a {
  color: #fff;
  font-weight: 700;
}

.site-footer {
  padding: 32px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.site-footer p {
  margin: 5px 0;
}

@media (max-width: 760px) {
  .nav {
    width: min(100% - 28px, 1080px);
  }

  .brand span {
    display: none;
  }

  .nav-links {
    gap: 12px;
  }

  .nav-links .blog-link {
    padding: 6px 10px;
  }

  .hero {
    padding-top: 66px;
  }

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

  .document {
    padding-top: 44px;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #12100e;
    --surface: rgba(34, 30, 26, 0.82);
    --surface-strong: #201c18;
    --text: #f4ede5;
    --muted: #beb2a6;
    --line: rgba(240, 217, 194, 0.13);
    --brand: #e58a37;
    --brand-strong: #ca6e1d;
    --brand-soft: #3d2a1b;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.24);
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}