/* =============================================================
   lucaschandler.com — the pared-down one-pager.
   Layout only. All color / type / motion comes from aether/tokens.css.
   Ink (dark) posture, single theme. Restraint over decoration.
   ============================================================= */

:root { color-scheme: dark; }

/* smooth in-page scrolling; scroll-padding clears the sticky header */
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  -webkit-font-smoothing: antialiased;
}

/* skip link — visually hidden until focused (keyboard users) */
.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 100;
  transform: translateY(-150%);
  padding: 10px 16px; border-radius: var(--r-1);
  background: var(--bg-elevated); color: var(--fg);
  border: 1px solid var(--hairline-strong);
  font-family: var(--font-mono); font-size: 13px; text-decoration: none;
  transition: transform var(--dur-fast) var(--ease-snap);
}
.skip-link:focus-visible { transform: translateY(0); }

::selection { background: color-mix(in oklch, var(--accent) 30%, transparent); }

.mono { font-family: var(--font-mono); }

/* page rhythm */
main > section { padding-inline: clamp(24px, 6vw, 96px); }
.hero-inner,
.section-head,
.cases,
.contact-inner { max-width: 1080px; margin-inline: auto; }

/* ---------------- header ---------------- */
.site {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px clamp(24px, 6vw, 96px);
  background: color-mix(in oklch, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.wordmark {
  font-family: var(--font-display); font-size: 19px; font-weight: 500;
  letter-spacing: -0.01em; color: var(--fg); text-decoration: none;
}
.wordmark .dot { color: var(--accent); }
.site-contact {
  font-size: var(--t-eyebrow); letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase; color: var(--fg-3); text-decoration: none;
  display: inline-flex; align-items: center; gap: 9px;
  transition: color var(--dur-fast) var(--ease-snap);
}
.site-contact::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 10px var(--accent);
}
.site-contact:hover { color: var(--fg); }

/* ---------------- hero ---------------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  padding-top: clamp(90px, 16vh, 180px);
  padding-bottom: clamp(64px, 12vh, 130px);
  background:
    radial-gradient(ellipse 1100px 520px at 22% 42%, color-mix(in oklch, var(--aether-500) 16%, transparent), transparent 62%),
    radial-gradient(ellipse 760px 420px at 86% 18%, color-mix(in oklch, var(--sigil-500) 10%, transparent), transparent 64%);
}
.hero-sigil {
  position: absolute; z-index: -1; pointer-events: none;
  top: clamp(40px, 9vw, 120px); right: clamp(-40px, 2vw, 80px);
  width: clamp(220px, 32vw, 460px); aspect-ratio: 1;
  background: var(--accent); opacity: 0.10;
  -webkit-mask: url("aether/assets/icons/sigil-orrery.svg") center/contain no-repeat;
  mask: url("aether/assets/icons/sigil-orrery.svg") center/contain no-repeat;
}
.eyebrow .sig { color: var(--accent); }
.hero h1 { margin: 26px 0 0; max-width: 16ch; }
.hero h1 em {
  font-style: italic; color: var(--accent-soft);
  text-shadow: 0 0 34px color-mix(in oklch, var(--accent) 45%, transparent);
}
.hero .lead { margin: 26px 0 0; max-width: 54ch; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  height: 46px; padding: 0 24px; border-radius: var(--r-pill);
  font-family: var(--font-body); font-weight: 500; font-size: 14.5px;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-snap),
              box-shadow var(--dur-fast) var(--ease-snap),
              color var(--dur-fast) var(--ease-snap);
}
.btn-primary {
  color: var(--fg-inv); font-weight: 600;
  background: linear-gradient(180deg, var(--aether-400), var(--aether-600));
  box-shadow: 0 0 0 1px color-mix(in oklch, var(--aether-300) 65%, transparent),
              0 0 26px -4px color-mix(in oklch, var(--aether-500) 60%, transparent),
              inset 0 1px 0 color-mix(in oklch, var(--ink-100) 35%, transparent);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px color-mix(in oklch, var(--aether-300) 80%, transparent),
              0 0 34px -2px color-mix(in oklch, var(--aether-500) 72%, transparent),
              inset 0 1px 0 color-mix(in oklch, var(--ink-100) 42%, transparent);
}
.btn-primary .arr { transition: transform var(--dur-fast) var(--ease-snap); }
.btn-primary:hover .arr { transform: translateX(3px); }
.btn-ghost {
  color: var(--fg-2); border-color: var(--hairline-strong);
}
.btn-ghost:hover { color: var(--fg); border-color: var(--fg-3); }

/* ---------------- metrics ---------------- */
.metrics {
  list-style: none; margin: clamp(48px, 8vh, 88px) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
  border-top: 1px solid var(--hairline); padding-top: 30px;
}
.metrics li { display: flex; flex-direction: column; gap: 4px; }
.metrics b {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(20px, 2.2vw, 27px); color: var(--fg); letter-spacing: -0.01em;
}
.metrics span {
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-3);
  letter-spacing: 0.03em;
}

/* ---------------- work ---------------- */
.work { padding-top: clamp(80px, 13vh, 140px); padding-bottom: clamp(40px, 8vh, 80px); }
.section-head { margin-bottom: clamp(40px, 7vh, 72px); }
.section-head h2 { margin-top: 14px; }
.section-head .eyebrow { color: var(--fg-3); }

.cases { list-style: none; margin: 0; padding: 0; }
.case {
  display: grid; grid-template-columns: 180px 1fr; gap: clamp(20px, 4vw, 64px);
  padding: clamp(32px, 5vh, 52px) 0;
  border-top: 1px solid var(--hairline);
}
.case:last-child { border-bottom: 1px solid var(--hairline); }
.case-meta { display: flex; flex-direction: column; gap: 8px; padding-top: 6px; }
.case-meta .when { color: var(--fg-2); font-size: 12.5px; letter-spacing: 0.06em; }
.case-meta .field {
  color: var(--accent); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
}
.case-body h3 { margin: 0; }
.case-body .who {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--fg-3);
  letter-spacing: 0.04em; margin: 8px 0 0;
}
.case-body .what { margin: 16px 0 0; max-width: 62ch; color: var(--fg-2); }
.figs {
  list-style: none; margin: 22px 0 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 10px 22px;
}
.figs li { font-size: 12.5px; color: var(--fg-3); letter-spacing: 0.02em; }
.figs b { color: var(--accent-soft); font-weight: 500; }

/* ---------------- contact ---------------- */
.contact {
  position: relative; isolation: isolate; overflow: hidden;
  margin-top: clamp(40px, 8vh, 90px);
  padding-top: clamp(80px, 13vh, 140px);
  padding-bottom: clamp(80px, 13vh, 140px);
  border-top: 1px solid var(--hairline);
  background:
    radial-gradient(ellipse 900px 460px at 50% 120%, color-mix(in oklch, var(--aether-500) 12%, transparent), transparent 60%);
}
.contact h2 { margin: 18px 0 0; }
.contact h2 em {
  font-style: italic; color: var(--accent-soft);
  text-shadow: 0 0 34px color-mix(in oklch, var(--accent) 45%, transparent);
}
.contact .lead { margin: 24px 0 0; max-width: 52ch; }
.contact-actions {
  margin-top: 36px; display: flex; align-items: center; flex-wrap: wrap; gap: 16px 28px;
}
.contact-links { display: flex; gap: 22px; }
.contact-links a {
  color: var(--fg-3); text-decoration: none; font-size: 13px;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding-block: 10px;
  transition: color var(--dur-fast) var(--ease-snap);
}
.contact-links a:hover { color: var(--accent-soft); }

/* ---------------- footer ---------------- */
.site-footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding: 30px clamp(24px, 6vw, 96px);
  border-top: 1px solid var(--hairline);
  font-size: 12px; color: var(--fg-3); letter-spacing: 0.04em;
}

/* ---------------- responsive ---------------- */
@media (max-width: 720px) {
  .metrics { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .case { grid-template-columns: 1fr; gap: 14px; }
  .case-meta { flex-direction: row; gap: 14px; padding-top: 0; }
  .site-contact { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .breathing { animation: none; }
}