:root {
  --bg: #fbf3e4;
  --card: #fff9ee;
  --card-edge: #e9d5b8;
  --text: #4a3426;
  --muted: #7d6553;
  --accent: #e57c4a;
  --accent-dark: #c65e33;
  --accent-text: #fffaf2;
  --green: #4e8a6a;
  --shadow: 0 6px 18px rgba(98, 62, 34, 0.12);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1f1813;
    --card: #2a211b;
    --card-edge: #4a3a2e;
    --text: #f3e6d6;
    --muted: #c4ad97;
    --accent: #f08a57;
    --accent-dark: #f4a27a;
    --accent-text: #24170f;
    --green: #7cc19c;
    --shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #1f1813;
  --card: #2a211b;
  --card-edge: #4a3a2e;
  --text: #f3e6d6;
  --muted: #c4ad97;
  --accent: #f08a57;
  --accent-dark: #f4a27a;
  --accent-text: #24170f;
  --green: #7cc19c;
  --shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: "Baloo 2", "Nunito", system-ui, sans-serif;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

a { color: var(--accent-dark); }
a:hover { color: var(--accent); }

.wrap {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header {
  padding: 16px 0;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: "Baloo 2", sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
}
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.site-header nav a {
  text-decoration: none;
  font-weight: 700;
  margin-left: 16px;
}

/* Hero */
.hero {
  text-align: center;
  padding: 32px 0 24px;
}
.hero-icon {
  width: 128px;
  height: 128px;
  border-radius: 30px;
  box-shadow: var(--shadow);
}
.hero h1 {
  font-size: clamp(2.4rem, 8vw, 3.6rem);
  margin-top: 16px;
}
.tagline {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 24px;
}
.badge {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 800;
  padding: 12px 24px;
  border-radius: 999px;
  border: 3px solid var(--accent-dark);
  text-decoration: none;
}

/* Cat strip */
.cats {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin: 32px 0 8px;
}
.cats img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}

/* Features */
.section { padding: 32px 0; }
.section > h2 { text-align: center; font-size: 2rem; }
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 16px;
}
.card {
  background: var(--card);
  border: 2px solid var(--card-edge);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}
.card h3 { font-size: 1.25rem; color: var(--accent-dark); }
.card p { margin: 0; }
.card .emoji { font-size: 1.8rem; display: block; margin-bottom: 6px; }

/* Footer */
.site-footer {
  border-top: 2px solid var(--card-edge);
  margin-top: 32px;
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.95rem;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}
.site-footer a { margin-right: 16px; }

/* Policy page */
.policy {
  max-width: 760px;
  padding-top: 8px;
  padding-bottom: 16px;
}
.policy h1 { font-size: clamp(2rem, 6vw, 2.6rem); }
.policy h2 {
  font-size: 1.5rem;
  margin-top: 1.8em;
  color: var(--accent-dark);
}
.policy h3 { font-size: 1.15rem; margin-top: 1.2em; }
.policy .updated { color: var(--muted); margin-top: -0.4em; }
.policy .summary {
  background: var(--card);
  border: 2px solid var(--card-edge);
  border-radius: 18px;
  padding: 16px 20px;
  margin: 24px 0;
}
.policy .summary ul { margin: 8px 0 0; padding-left: 20px; }
.policy li { margin-bottom: 6px; }
.table-scroll { overflow-x: auto; }
.policy table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 0.95rem;
}
.policy th, .policy td {
  text-align: left;
  vertical-align: top;
  padding: 10px;
  border-bottom: 1px solid var(--card-edge);
}
.policy th { background: var(--card); }

@media (max-width: 720px) {
  .features { grid-template-columns: 1fr; }
  .cats { grid-template-columns: repeat(3, 1fr); }
  .site-header nav a { margin-left: 12px; }
}

/* Tester guide */
.guide { max-width: 860px; padding-bottom: 16px; }
.guide h1 { font-size: clamp(2rem, 6vw, 2.6rem); margin-top: 8px; }
.guide .lead { font-size: 1.1rem; color: var(--muted); }
.note {
  background: var(--card);
  border: 2px solid var(--card-edge);
  border-radius: 18px;
  padding: 14px 20px;
  margin: 20px 0;
}
.note-accent { border-color: var(--accent); }
.note h2 { font-size: 1.4rem; margin-bottom: 6px; }
.note ul, .step ul { padding-left: 20px; }
.step {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 24px;
  align-items: start;
  background: var(--card);
  border: 2px solid var(--card-edge);
  border-radius: 18px;
  padding: 20px;
  margin: 20px 0;
  box-shadow: var(--shadow);
}
.step-plain { grid-template-columns: 1fr; }
.step h2 { font-size: 1.5rem; color: var(--accent-dark); }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  font-family: "Baloo 2", sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 8px;
}
.step-shot {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 2px solid var(--card-edge);
  display: block;
}
.button {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 800;
  padding: 10px 20px;
  border-radius: 999px;
  border: 3px solid var(--accent-dark);
  text-decoration: none;
}
.button:hover { color: var(--accent-text); filter: brightness(1.05); }
.small { font-size: 0.92rem; color: var(--muted); }
.english { margin-top: 32px; }
.english h2 { font-size: 1.6rem; }
.english li { margin-bottom: 8px; }

@media (max-width: 720px) {
  .step { grid-template-columns: 1fr; }
  .step-shot { max-width: 320px; margin: 0 auto; }
}
.site-header nav.lang a { margin-left: 10px; color: var(--muted); }
.site-header nav.lang a[aria-current="page"] { color: var(--accent-dark); text-decoration: underline; }
.qr { margin: 0 0 8px; display: inline-flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.qr img { width: 132px; height: 132px; background: #fff; padding: 6px; border-radius: 12px; border: 2px solid var(--card-edge); }
.qr figcaption { font-size: 0.95rem; color: var(--muted); }
@media (max-width: 720px) { .qr { display: none; } }