/* ==========================================================================
   HORO LIMITED — style.css
   Decisions recorded in design/COMMIT-SHEET.md. Tokens approved there appear
   here verbatim. Light page (mean L ≈ 0.72), committed dial-green fields,
   serif × system-sans, one live CSS dial as the signature object.
   ========================================================================== */

:root {
  /* color */
  --bg: oklch(0.965 0.005 150);            /* cool off-white, tinted toward the green */
  --ink: oklch(0.235 0.02 160);            /* deep green-ink for text */
  --muted: oklch(0.40 0.02 158);           /* secondary text, still ≥ 4.5:1 on --bg */
  --green: oklch(0.34 0.065 158);          /* dial enamel — the brand field */
  --green-deep: oklch(0.25 0.045 160);     /* footer / dial depth */
  --on-green: oklch(0.945 0.012 150);      /* text on green fields */
  --on-green-muted: oklch(0.815 0.025 153);/* secondary text on green, ≥ 4.5:1 */
  --blue: oklch(0.52 0.09 255);            /* heat-blued steel: second hand, focus */
  --line: oklch(0.235 0.02 160 / 0.22);    /* hairlines on light */
  --line-green: oklch(0.945 0.012 150 / 0.28); /* hairlines on green */

  /* type */
  --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* motion */
  --ease-out-quart: cubic-bezier(0.23, 1, 0.32, 1);

  color-scheme: light;
}

/* ---------- reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
/* grain: film noise at 2.5% over the whole page, fixed, never on a scrolling container */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin: 0;
}
p { margin: 0; text-wrap: pretty; max-width: 68ch; }
a { color: inherit; }

.tnum { font-variant-numeric: tabular-nums lining-nums; }

/* focus, designed not default */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 1px;
}
.batch :focus-visible, .site-footer :focus-visible {
  outline-color: var(--on-green);
}

/* ==========================================================================
   Header — wordmark + plain text links. No status dot, no CTA button.
   ========================================================================== */
.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem clamp(1.25rem, 5vw, 4.5rem);
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  text-decoration: none;
}
.wordmark span { font-size: 0.72em; letter-spacing: 0.22em; }
.site-nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2.25rem);
  font-size: 0.95rem;
}
.site-nav a {
  text-decoration: none;
  text-underline-offset: 0.3em;
  transition: color 140ms var(--ease-out-quart);
}
@media (hover: hover) and (pointer: fine) {
  .site-nav a:hover { color: var(--green); text-decoration: underline; }
}
@media (max-width: 560px) {
  .site-header { flex-direction: column; gap: 0.75rem; }
  .site-nav { flex-wrap: wrap; }
}

/* ==========================================================================
   Hero — 5/7 split; the dial overruns the hero's lower rule into section 1.
   ========================================================================== */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  padding: clamp(2.5rem, 7vh, 5rem) clamp(1.25rem, 5vw, 4.5rem) 0;
  border-bottom: 1px solid var(--line);
}
.hero-copy { padding-bottom: clamp(3rem, 8vh, 6rem); }
.hero h1 {
  font-size: clamp(2.4rem, 1.6rem + 3.4vw, 4.4rem);
  max-width: 12ch;
}
.lede {
  margin-top: 1.5rem;
  font-size: clamp(1.05rem, 1rem + 0.35vw, 1.25rem);
  color: var(--muted);
  max-width: 46ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.25rem;
}
.hero-note {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 40ch;
}

.btn {
  display: inline-block;
  padding: 0.72em 1.35em;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--ink);
  transition: background-color 140ms var(--ease-out-quart),
              color 140ms var(--ease-out-quart),
              border-color 140ms var(--ease-out-quart),
              transform 140ms var(--ease-out-quart);
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--green); border-color: var(--green); color: var(--on-green); }
.btn-ghost { color: var(--ink); }
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: var(--green-deep); border-color: var(--green-deep); }
  .btn-ghost:hover { background: var(--ink); color: var(--bg); }
}

/* ---------- the dial: the signature object ---------- */
.hero-visual {
  display: flex;
  justify-content: center;
  margin-bottom: -56px; /* grid break: crosses the hero rule into section 1.
                           Was -90px, which pushed the caption riding below it far enough from
                           the dial to read as an orphan; 56px still crosses, and holds the pair together. */
  position: relative;
  z-index: 2;
}
.dial-wrap { margin: 0; text-align: center; }
.dial-wrap figcaption {
  /* The dial deliberately overhangs the hero rule by 56px (grid break). The caption rides that
     same overhang, so it must clear the rule by as much — otherwise the hairline cuts through
     its last line, which reads as a rendering bug rather than as a deliberate crossing. */
  margin-top: calc(1.4rem + 56px);
  font-size: 0.88rem;
  color: var(--muted);
  max-width: 34ch;
  margin-inline: auto;
  text-wrap: balance;
}
.dial {
  --dial-ink: oklch(0.93 0.015 150);
  position: relative;
  width: min(38vw, 430px);
  min-width: 260px;
  aspect-ratio: 1;
  margin-inline: auto;
  border-radius: 50%;
  /* real light: cool highlight upper-left, deep falloff lower-right — no glow */
  background: radial-gradient(circle at 34% 28%,
              oklch(0.42 0.07 157) 0%,
              oklch(0.34 0.065 158) 46%,
              oklch(0.26 0.05 160) 100%);
  box-shadow:
    inset 0 2px 5px oklch(1 0 0 / 0.10),
    inset 0 -22px 44px oklch(0.17 0.03 162 / 0.55),
    0 34px 60px -24px oklch(0.22 0.03 160 / 0.5),
    0 10px 22px -12px oklch(0.22 0.03 160 / 0.4);
}
.dial-ticks-minute,
.dial-ticks-hour {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}
.dial-ticks-minute {
  background: repeating-conic-gradient(from 0deg,
    var(--dial-ink) 0deg 0.45deg, transparent 0.45deg 6deg);
  -webkit-mask: radial-gradient(closest-side, transparent 81%, #000 81.5% 90.5%, transparent 91%);
  mask: radial-gradient(closest-side, transparent 81%, #000 81.5% 90.5%, transparent 91%);
  opacity: 0.55;
}
.dial-ticks-hour {
  background: repeating-conic-gradient(from 0deg,
    var(--dial-ink) 0deg 1.1deg, transparent 1.1deg 30deg);
  -webkit-mask: radial-gradient(closest-side, transparent 76%, #000 76.5% 90.5%, transparent 91%);
  mask: radial-gradient(closest-side, transparent 76%, #000 76.5% 90.5%, transparent 91%);
  opacity: 0.95;
}
.dial-brand {
  position: absolute;
  top: 24%;
  left: 0;
  right: 0;
  margin: 0;
  text-align: center;
  font-family: var(--serif);
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  letter-spacing: 0.28em;
  color: var(--dial-ink);
  max-width: none;
}
.dial-brand span { font-size: 0.62em; letter-spacing: 0.34em; opacity: 0.75; }
.dial-serial {
  position: absolute;
  bottom: 22%;
  left: 0;
  right: 0;
  margin: 0;
  text-align: center;
  font-family: var(--serif);
  font-size: clamp(0.7rem, 1.4vw, 0.85rem);
  letter-spacing: 0.18em;
  color: var(--dial-ink);
  opacity: 0.7;
  max-width: none;
}
.hand {
  position: absolute;
  left: 50%;
  bottom: 50%;
  transform-origin: 50% 100%;
  border-radius: 3px;
  will-change: transform;
}
.hand-hour {
  width: 6px;
  height: 23%;
  margin-left: -3px;
  background: var(--dial-ink);
}
.hand-minute {
  width: 4px;
  height: 34%;
  margin-left: -2px;
  background: var(--dial-ink);
}
.hand-second {
  width: 2px;
  height: 40%;
  margin-left: -1px;
  background: var(--blue);
}
.hand-second::after { /* counterweight */
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14%;
  width: 6px;
  height: 14%;
  margin-left: -3px;
  border-radius: 3px;
  background: var(--blue);
}
.dial-cap {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: var(--dial-ink);
  box-shadow: 0 0 0 3px oklch(0.25 0.045 160 / 0.9);
}

/* ==========================================================================
   Sections — rhythm varies with weight; openings rotate per taste.md §1.
   ========================================================================== */
.section {
  padding: clamp(4rem, 11vh, 7.5rem) clamp(1.25rem, 5vw, 4.5rem);
  scroll-margin-top: 2rem;
}
.section-open h2 {
  font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3.2rem);
}
.rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0 0 1.75rem;
}

/* ---------- Section 1 · The watch (opens: hairline rule + heading) ---------- */
.watch { padding-top: calc(clamp(4rem, 11vh, 7.5rem) + 70px); } /* clears the dial overrun */
.watch-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(2rem, 6vw, 6rem);
  margin-top: clamp(2rem, 5vh, 3.5rem);
}
.watch-prose { position: relative; }
.watch-prose p + p { margin-top: 1.1em; }
.margin-note {
  float: none;
  font-family: var(--serif);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
  margin-bottom: 1.75rem;
  max-width: 30ch;
}
/* The note hangs outside its column — the second half of the grid break. Hanging outside the
   PAGE is a different thing: the section pads to 4.5rem, the note wanted 12.5rem, and it slid
   off-screen losing a word per line. So the grid indents to make the margin, and the note hangs
   into that — outside its column, inside the viewport. */
@media (min-width: 1200px) {
  .watch-grid { padding-left: 11rem; }
  .margin-note {
    position: absolute;
    left: -11rem;
    top: 0.2rem;
    width: 9.5rem;
    margin-bottom: 0;
  }
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--serif); /* data stays in the display voice, no mono */
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.15rem);
}
.spec-table caption {
  text-align: left;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--muted);
  padding-bottom: 0.9rem;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  vertical-align: baseline;
}
.spec-table tr:last-child th, .spec-table tr:last-child td {
  border-bottom: 1px solid var(--line);
}
.spec-table th {
  font-weight: 500;
  color: var(--muted);
  width: 30%;
  padding-right: 1.5rem;
}
.spec-table td { font-variant-numeric: tabular-nums lining-nums; }

/* ---------- Section 2 · The batch (opens: full-bleed green field) ---------- */
.batch {
  background: var(--green);
  color: var(--on-green);
}
.batch .section-open h2 { color: var(--on-green); }
.section-lede {
  margin-top: 1.1rem;
  color: var(--on-green-muted);
  font-size: 1.05rem;
}
.batch-steps {
  list-style: none;
  margin: clamp(2.5rem, 6vh, 4rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3.5vw, 3rem);
}
.batch-steps li {
  border-top: 1px solid var(--line-green);
  padding-top: 1.4rem;
}
.step-no {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 1.8rem + 3vw, 4rem);
  line-height: 1;
  color: var(--on-green);
}
.batch-steps h3 {
  margin-top: 1.1rem;
  font-size: 1.3rem;
}
.batch-steps p {
  margin-top: 0.7rem;
  font-size: 0.95rem;
  color: var(--on-green-muted);
}
@media (max-width: 900px) {
  .batch-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .batch-steps { grid-template-columns: 1fr; }
}

/* ---------- Section 3 · Ownership (opens: oversized first word) ---------- */
.overword {
  display: block;
  font-size: clamp(3.6rem, 2rem + 8vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--green);
}
.ownership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  margin-top: clamp(2.5rem, 6vh, 4rem);
}
.ownership-grid h3 { font-size: 1.35rem; }
.ownership-grid p {
  margin-top: 0.8rem;
  font-size: 0.98rem;
  color: var(--muted);
}
.ownership-grid > div { border-top: 1px solid var(--line); padding-top: 1.4rem; }
@media (max-width: 820px) {
  .ownership-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Footer — a real place: sitemap, contact, legal. No scroll instruction.
   ========================================================================== */
.site-footer {
  background: var(--green-deep);
  color: var(--on-green);
  padding: clamp(3rem, 8vh, 5.5rem) clamp(1.25rem, 5vw, 4.5rem) 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 4fr 2fr 4fr;
  gap: clamp(2rem, 5vw, 5rem);
  padding-bottom: 2.5rem;
}
.footer-brand p { color: var(--on-green-muted); margin-top: 1rem; max-width: 38ch; }
.footer-brand .wordmark { color: var(--on-green); }
.footer-heading {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-green);
  margin: 0 0 1rem;
}
.footer-nav { display: flex; flex-direction: column; gap: 0.55rem; align-items: flex-start; }
.footer-nav a {
  text-decoration: none;
  color: var(--on-green-muted);
  text-underline-offset: 0.3em;
  transition: color 140ms var(--ease-out-quart);
}
.footer-contact p { color: var(--on-green-muted); font-size: 0.98rem; }
.footer-contact a {
  color: var(--on-green);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
  transition: color 140ms var(--ease-out-quart);
}
@media (hover: hover) and (pointer: fine) {
  .footer-nav a:hover, .footer-contact a:hover { color: var(--on-green); text-decoration: underline; }
}
.footer-legal {
  border-top: 1px solid var(--line-green);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  font-size: 0.82rem;
  color: var(--on-green-muted);
}
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Responsive — hero and watch grid collapse to one column, dial above copy.
   ========================================================================== */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 2rem; }
  /* Stacked, the dial sits ABOVE the copy, so an overhang lands the caption on top of the
     headline instead of crossing a rule. One column, no overhang. */
  .hero-visual { order: -1; margin-bottom: 0; }
  .dial-wrap figcaption { margin-top: 1.2rem; }
  .dial { width: min(64vw, 360px); }
  .hero h1 { max-width: 16ch; }
  .watch-grid { grid-template-columns: 1fr; }
  .margin-note { position: static; width: auto; max-width: 44ch; }
}

/* ==========================================================================
   Motion — two reveal families, IO-driven, enhance visible defaults only.
   Durations 550–700ms: marketing-sequence pacing (motion.md allows longer
   than 300ms for these; written reason: a slow bench, not a snappy app).
   ========================================================================== */
html.js .reveal {
  opacity: 0;
  transform: translateY(16px);
}
html.js .reveal.in {
  opacity: 1;
  transform: none;
  transition: opacity 600ms var(--ease-out-quart),
              transform 600ms var(--ease-out-quart);
}
html.js .rule {
  transform: scaleX(0);
  transform-origin: left center;
}
html.js .section-open.in .rule,
html.js .rule.in {
  transform: scaleX(1);
  transition: transform 700ms var(--ease-out-quart);
}
/* stagger inside family 2 for the batch procedure, 50ms per step */
html.js .batch-steps .reveal:nth-child(2).in { transition-delay: 50ms; }
html.js .batch-steps .reveal:nth-child(3).in { transition-delay: 100ms; }
html.js .batch-steps .reveal:nth-child(4).in { transition-delay: 150ms; }
html.js .ownership-grid .reveal:nth-child(2).in { transition-delay: 50ms; }
html.js .ownership-grid .reveal:nth-child(3).in { transition-delay: 100ms; }

/* ==========================================================================
   Reduced motion — gentler, not zero: opacity stays, movement goes.
   The dial's sweep is handled in JS (steps once per second instead).
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal,
  html.js .rule {
    transform: none !important;
  }
  html.js .reveal.in,
  html.js .section-open.in .rule,
  html.js .rule.in {
    transition: opacity 200ms ease;
  }
  .btn, .site-nav a, .footer-nav a, .footer-contact a {
    transition-duration: 0ms;
  }
}