:root {
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --text: #2C2A26;
  --text-secondary: #5F5B54;
  --border: #E7E4DE;
  --accent-fill: #A8521F;
  --accent-text: #A8521F;
  --on-accent: #FFFFFF;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1C1C1E;
    --surface: #2C2A26;
    --text: #F5F3EE;
    --text-secondary: #B5B0A6;
    --border: #3A3833;
    --accent-text: #E08A55;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent-text); }

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 19px;
}
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.site-header nav { display: flex; gap: 18px; font-size: 15px; }
.site-header nav a { color: var(--text-secondary); text-decoration: none; }
.site-header nav a:hover,
.site-header nav a[aria-current="page"] { color: var(--accent-text); }

/* Hero */
.hero {
  background: var(--accent-fill);
  color: var(--on-accent);
  text-align: center;
  padding: 64px 20px 56px;
}
.hero img {
  width: 112px;
  height: 112px;
  border-radius: 25px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
.hero h1 {
  font-size: 44px;
  line-height: 1.1;
  margin: 24px 0 8px;
  letter-spacing: -0.02em;
}
.hero p {
  font-size: 21px;
  margin: 0 auto;
  max-width: 460px;
  opacity: 0.92;
}
.hero .soon {
  display: inline-block;
  margin-top: 28px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 15px;
  font-weight: 600;
}

/* Features */
.features {
  display: grid;
  gap: 14px;
  padding: 40px 0 16px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
}
.feature h2 { font-size: 18px; margin: 0 0 4px; }
.feature p { margin: 0; color: var(--text-secondary); font-size: 16px; }

/* Document pages */
.doc { padding-top: 40px; padding-bottom: 24px; }
.doc h1 { font-size: 34px; line-height: 1.15; margin: 0 0 6px; letter-spacing: -0.01em; }
.doc .updated { color: var(--text-secondary); font-size: 15px; margin: 0 0 28px; }
.doc h2 { font-size: 21px; margin: 32px 0 8px; }
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-fill);
  border-radius: 12px;
  padding: 16px 20px;
}
.summary p { margin: 0; }

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 20px;
  text-align: center;
}
.contact-card .email {
  display: inline-block;
  margin-top: 8px;
  font-size: 20px;
  font-weight: 600;
  word-break: break-all;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 24px 0 40px;
  color: var(--text-secondary);
  font-size: 14px;
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between; }
.site-footer nav { display: flex; gap: 16px; }
.site-footer a { color: var(--text-secondary); }

@media (max-width: 480px) {
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 18px; }
  .site-header nav { gap: 14px; }
}