/* hormetic.app — shared styles */

:root {
  --bg: #fdfdfc;
  --fg: #0d0d0d;
  --muted: #6a6a6a;
  --rule: #e5e3df;
  --accent: #0090a4;
  --accent-warm: #b76a18;
  --accent-hot: #c43c2e;
  --mono-bg: #f5f4f1;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --fg: #ededed;
    --muted: #8a8a8a;
    --rule: #1c1c1c;
    --accent: #5ac8fa;
    --accent-warm: #ffb84a;
    --accent-hot: #ff5e5e;
    --mono-bg: #131313;
  }
}

* { box-sizing: border-box; }

html { font-size: 17px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-serif, "Iowan Old Style", "Charter", "Georgia", serif;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 5rem 1.75rem 4rem;
}

@media (min-width: 720px) {
  .wrap { padding-top: 7rem; padding-bottom: 6rem; }
}

/* Brand mark */
.brand {
  font-family: ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4.5rem;
  font-weight: 500;
}

/* Headings */
h1 {
  font-size: clamp(2.1rem, 5vw, 2.9rem);
  line-height: 1.08;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  margin: 3.5rem 0 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.numbered h2::before {
  content: counter(section, decimal-leading-zero);
  counter-increment: section;
  color: var(--accent);
  font-family: ui-monospace, "SF Mono", "Menlo", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.numbered { counter-reset: section; }

/* Meta line */
.meta {
  font-family: ui-monospace, "SF Mono", "Menlo", monospace;
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0 0 3rem;
  letter-spacing: 0.02em;
}

/* Lede paragraph (intro under H1) */
.lede {
  font-size: 1.18rem;
  line-height: 1.55;
  color: var(--fg);
  margin: 0 0 2.5rem;
  max-width: 38rem;
}

/* Body paragraphs and lists */
p, ul, ol { margin: 0 0 1.1rem; }
ul, ol { padding-left: 1.4rem; }
li { margin-bottom: 0.4rem; }

strong { font-weight: 600; }

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: opacity 120ms ease;
}
a:hover { opacity: 0.65; }

/* Summary block (privacy policy data sheet) */
.summary {
  border: 1px solid var(--rule);
  background: var(--mono-bg);
  padding: 1.5rem 1.75rem;
  margin: 2.5rem 0 3.5rem;
  font-family: ui-monospace, "SF Mono", "Menlo", monospace;
  font-size: 0.82rem;
  line-height: 1.9;
}

.summary .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: baseline;
}

.summary .k { color: var(--muted); }
.summary .v { color: var(--fg); text-align: right; }

@media (max-width: 540px) {
  .summary .row { grid-template-columns: 1fr; gap: 0; }
  .summary .v { text-align: left; padding-bottom: 0.4rem; }
}

/* Zone marks (landing page) */
.zones {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 3.5rem 0 4rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 2rem 0;
}

.zone .num {
  font-family: ui-monospace, "SF Mono", "Menlo", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.4rem;
}

.zone .label {
  font-family: ui-serif, "Iowan Old Style", "Charter", serif;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  display: block;
}

.zone .sublabel {
  font-family: ui-monospace, "SF Mono", "Menlo", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-top: 0.35rem;
}

.zone.z1 .num { color: var(--accent); }
.zone.z2 .num { color: var(--accent-warm); }
.zone.z3 .num { color: var(--accent-hot); }

/* Big email link (support page) */
.contact-block {
  margin: 2.5rem 0 3.5rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  text-align: center;
}

.big-email {
  font-family: ui-monospace, "SF Mono", "Menlo", monospace;
  font-size: clamp(1.05rem, 3vw, 1.4rem);
  letter-spacing: 0.01em;
  border-bottom: none;
}

.big-email:hover { color: var(--accent); }

/* Footer */
.footer {
  margin-top: 5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  font-family: ui-monospace, "SF Mono", "Menlo", monospace;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.footer a {
  color: var(--muted);
  border-bottom-color: var(--rule);
}

.footer a:hover { color: var(--fg); }

/* Subtle fade-in on load */
@media (prefers-reduced-motion: no-preference) {
  body { animation: fade-in 400ms ease both; }
  @keyframes fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
  }
}