/* The Gentle Dog Trainer: shared styles for every page.
   Every colour is a token on :root; dark mode redefines the tokens, never the rules. */

:root {
  --bg: #faf6f1;          /* warm oat */
  --surface: #fffdfa;
  --ink: #3a312d;         /* warm brown-black */
  --muted: #6b5f59;
  --line: #eadfd6;
  --clay: #d29a85;        /* soft clay: fills, borders, icons only */
  --clay-soft: #f3e2d9;
  --clay-text: #9a5640;   /* clay whenever it is text */
  --dusk-soft: #e7e3ef;   /* a quiet lavender wash */

  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #211c1a;
    --surface: #2b2522;
    --ink: #f2eae4;
    --muted: #c3b6ae;
    --line: #3d3531;
    --clay: #d9a28d;
    --clay-soft: #3a2c27;
    --clay-text: #e8b8a5;
    --dusk-soft: #2c2833;
  }
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
}

a { color: var(--clay-text); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--clay-text); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 44rem; margin: 0 auto; padding: 0 20px; }

.skip {
  position: absolute; left: -999px; top: 8px;
  background: var(--surface); color: var(--ink); padding: 8px 14px; border-radius: 8px;
}
.skip:focus { left: 12px; }

/* Header */
.site-header { padding-top: 28px; }
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none;
  font-family: var(--font-serif); font-size: 1.125rem; letter-spacing: 0.01em;
}
.brand svg { color: var(--clay); flex: none; }

/* Hero */
.hero { position: relative; padding: 72px 0 56px; }
/* A faded illustration behind the heading (images/hero.webp). Decorative, so it is a CSS
   background: if the file is missing, nothing shows. Multiply melts its cream paper into the page. */
.hero-art {
  position: absolute; z-index: -1;
  width: min(360px, 72vw); aspect-ratio: 1; right: -20px; top: 8px;
  background: url("/images/hero.webp") center / contain no-repeat;
  -webkit-mask-image: radial-gradient(closest-side, #000 50%, transparent 100%);
          mask-image: radial-gradient(closest-side, #000 50%, transparent 100%);
  opacity: 0.5;
  mix-blend-mode: multiply;
}
/* Wide screens: out into the empty margin, so the heading doesn't cover the dog's face. */
@media (min-width: 1100px) {
  .hero-art { width: 440px; right: -250px; top: -20px; opacity: 0.7; }
}
@media (prefers-color-scheme: dark) {
  .hero-art { opacity: 0.14; mix-blend-mode: normal; }
}
@media (prefers-color-scheme: dark) and (min-width: 1100px) {
  .hero-art { opacity: 0.22; }
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--clay-text);
  font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase;
}
h1 {
  margin: 0 0 20px;
  font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(2rem, 6vw, 2.875rem); line-height: 1.15;
}
h1 em { color: var(--clay-text); }
.lede { margin: 0; max-width: 34rem; color: var(--muted); font-size: 1.1875rem; }

/* Sections */
section { padding: 40px 0; border-top: 1px solid var(--line); }
h2 {
  margin: 0 0 18px;
  font-family: var(--font-serif); font-weight: 400; font-size: 1.5rem;
}

.card {
  display: block; padding: 24px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  color: var(--ink); text-decoration: none;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  border-color: var(--clay);
  box-shadow: 0 8px 28px -14px var(--clay);
  transform: translateY(-2px);
}
.card h3 { margin: 0 0 6px; font-family: var(--font-serif); font-weight: 400; font-size: 1.375rem; }
.card p { margin: 0 0 14px; color: var(--muted); }
.card .go { color: var(--clay-text); font-size: 0.9375rem; }

.principles { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.principles li { padding-left: 26px; position: relative; }
.principles li::before {
  content: ""; position: absolute; left: 0; top: 0.6em;
  width: 10px; height: 10px; border-radius: 50%; background: var(--clay);
}
.principles strong { font-weight: 600; }

.contact p { margin: 0 0 8px; }
.email { font-family: var(--font-serif); font-size: 1.375rem; }

/* Plain text pages (privacy, business) */
.doc { padding-top: 48px; padding-bottom: 32px; }
.doc h1 { font-size: 2rem; }
.doc h2 { font-size: 1.25rem; margin-top: 32px; }
.doc .updated { color: var(--muted); font-size: 0.875rem; }

/* Page not found */
.not-found { display: grid; gap: 28px; align-items: center; }
.not-found__img {
  width: 100%; max-width: 280px; height: auto; border-radius: 18px;
  border: 1px solid var(--line); background: var(--clay-soft);
}
.not-found h1 { margin-bottom: 14px; }
.not-found p { margin: 0 0 10px; }
@media (min-width: 640px) {
  .not-found { grid-template-columns: 260px 1fr; gap: 40px; }
}

/* Footer */
.site-footer {
  padding: 32px 0 48px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 0.875rem;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 6px; }
.site-footer a { color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
  .card:hover { transform: none; }
}