:root {
  color-scheme: light dark;
  --page: #f7f2e8;
  --surface: rgba(255, 255, 255, 0.82);
  --text: #2a2118;
  --muted: #6f6255;
  --accent: #b65322;
  --border: rgba(84, 61, 39, 0.16);
  --shadow: 0 22px 60px rgba(83, 55, 27, 0.12);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif;
  line-height: 1.72;
  background:
    radial-gradient(circle at 12% 0%, rgba(232, 151, 78, 0.22), transparent 34rem),
    linear-gradient(180deg, #fbf7ef 0%, var(--page) 100%);
}

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

a:focus-visible {
  outline: 3px solid rgba(182, 83, 34, 0.42);
  outline-offset: 4px;
  border-radius: 6px;
}

.shell {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0 72px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.brand {
  color: var(--text);
  font-weight: 750;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  font-size: 0.94rem;
}

.card {
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(2rem, 8vw, 3.4rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
}

h2 {
  margin: 2.2rem 0 0.65rem;
  font-size: 1.25rem;
  line-height: 1.35;
}

p,
ul {
  margin: 0.72rem 0;
}

ul {
  padding-left: 1.25rem;
}

.lede {
  max-width: 60ch;
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.06rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  color: white;
  background: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: transparent;
}

.contact {
  display: grid;
  gap: 6px;
  margin: 22px 0;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(182, 83, 34, 0.07);
}

.contact strong {
  font-size: 1.05rem;
}

.footer {
  padding-top: 24px;
  color: var(--muted);
  font-size: 0.86rem;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #17120e;
    --surface: rgba(37, 28, 21, 0.9);
    --text: #f6ede2;
    --muted: #c0ad9b;
    --accent: #ef9b60;
    --border: rgba(255, 232, 207, 0.14);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  }

  body {
    background:
      radial-gradient(circle at 12% 0%, rgba(187, 88, 39, 0.2), transparent 34rem),
      linear-gradient(180deg, #211711 0%, var(--page) 100%);
  }

  .contact {
    background: rgba(239, 155, 96, 0.08);
  }
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 22px, 760px);
    padding-top: 22px;
  }

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

  .nav-links {
    gap: 10px;
  }

  .card {
    border-radius: 22px;
  }
}