/* Rainshadow Software — site styles
   Tokens sourced from rainshadow.pdf identity system. */

:root {
  --surface-canvas: #FAF8F4;
  --surface-raised: #F2EFE9;
  --border-hairline: #E4E1DB;
  --border-strong: #C9C8C6;
  --fill-accent: #D08C3C;
  --text-primary: #16181B;
  --text-body: #43484E;
  --text-muted: #5C6167;
  --link: var(--text-primary);
  --link-hover: var(--text-muted);
  --on-fill-accent: #16181B;
  --focus-ring: #B0722C;

  --font-display: 'Newsreader', serif;
  --font-sans: 'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface-canvas: #16181B;
    --surface-raised: #2E3238;
    --border-hairline: #262A2F;
    --border-strong: #43484E;
    --fill-accent: #B0722C;
    --text-primary: #E4E1DB;
    --text-body: #CFCCC6;
    --text-muted: #A2A5A8;
    --on-fill-accent: #000000;
    --focus-ring: #D9A052;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--surface-canvas);
  color: var(--text-body);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
a:hover { border-bottom-color: currentColor; color: var(--link-hover); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site {
  padding: 32px 0 0;
}
header.site .wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.mark {
  width: 20px;
  height: 20px;
  flex: none;
  background:
    linear-gradient(135deg, var(--text-primary) 0% 49%, var(--fill-accent) 51% 100%);
  border-radius: 2px;
}
.wordmark {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  color: var(--text-primary);
}
header.site nav {
  margin-left: auto;
}
header.site nav a {
  display: inline-block;
  font-size: 14px;
  color: var(--text-body);
  padding: 8px 4px;
  margin: -8px -4px;
}

/* Hero */
.hero {
  padding: 72px 0 56px;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 5vw, 46px);
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0 0 20px;
  max-width: 15ch;
}
.hero p {
  font-size: 16px;
  color: var(--text-body);
  max-width: 46ch;
  margin: 0 0 32px;
}
.btn {
  display: inline-block;
  padding: 11px 22px;
  background: var(--fill-accent);
  color: var(--on-fill-accent);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
}
.btn:hover { border-bottom: none; color: var(--on-fill-accent); opacity: 0.92; }

/* Principles */
.principles {
  padding: 48px 0;
  border-top: 1px solid var(--border-hairline);
}
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.principle h2 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 16px;
  color: var(--text-primary);
  margin: 0 0 8px;
}
.principle p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

/* Contact */
.contact {
  padding: 48px 0 72px;
  border-top: 1px solid var(--border-hairline);
}
.contact h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  color: var(--text-primary);
  margin: 0 0 12px;
}
.contact p {
  margin: 0 0 20px;
  max-width: 46ch;
}

/* Footer */
footer.site {
  border-top: 1px solid var(--border-hairline);
  padding: 24px 0 40px;
}
footer.site .wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
footer.site p {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}
footer.site a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  padding: 8px 4px;
  margin: -8px -4px;
}

/* Simple pages (privacy/terms) */
.doc {
  padding: 56px 0 80px;
}
.doc h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 32px;
  color: var(--text-primary);
  margin: 0 0 8px;
}
.doc .updated {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 0 32px;
}
.doc h2 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 17px;
  color: var(--text-primary);
  margin: 32px 0 12px;
}
.doc p { margin: 0 0 16px; }

@media (max-width: 560px) {
  .principles-grid { grid-template-columns: 1fr; gap: 24px; }
  header.site nav { display: flex; gap: 16px; }
}