/* excavart landing — paper by day, ink by night. No build step, no framework. */

:root {
  --paper:      #f6f3ee;
  --paper-sunk: #efeae2;
  --ink:        #15120f;
  --ink-soft:   #5c544b;
  --rule:       #ddd5c9;
  --accent:     #a8432a;
  --accent-ink: #ffffff;

  --display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --gutter: 16px;
  --measure: 62ch;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:      #111010;
    --paper-sunk: #1a1817;
    --ink:        #f0ebe4;
    --ink-soft:   #9b9188;
    --rule:       #2e2b28;
    --accent:     #e4724f;
    --accent-ink: #15120f;
  }
}

:root[data-theme="dark"] {
  --paper:      #111010;
  --paper-sunk: #1a1817;
  --ink:        #f0ebe4;
  --ink-soft:   #9b9188;
  --rule:       #2e2b28;
  --accent:     #e4724f;
  --accent-ink: #15120f;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--display); font-weight: 400; letter-spacing: -0.01em; }
em { font-style: italic; color: var(--ink-soft); }
a { color: inherit; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ── chrome ───────────────────────────────────────────── */

.bar {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px;
  padding: 20px var(--gutter);
  max-width: 1040px; margin: 0 auto;
}

.wordmark {
  font-family: var(--display);
  font-size: 1.4rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.bar-note {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

main { max-width: 1040px; margin: 0 auto; padding: 0 var(--gutter); }

section { padding: 72px 0; border-top: 1px solid var(--rule); }
section:first-child { border-top: 0; padding-top: 40px; }

/* ── hero ─────────────────────────────────────────────── */

.eyebrow {
  margin: 0 0 20px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 28px;
  font-size: clamp(2.5rem, 7.5vw, 4.6rem);
  line-height: 1.04;
  max-width: 16ch;
}

.lede {
  margin: 0;
  max-width: var(--measure);
  font-size: 1.1rem;
  color: var(--ink-soft);
}

/* ── waitlist ─────────────────────────────────────────── */

.waitlist {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 32px 0 14px;
  max-width: 480px;
}

.waitlist input {
  flex: 1 1 220px;
  min-width: 0;
  padding: 13px 15px;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper-sunk);
  border: 1px solid var(--rule);
  border-radius: 2px;
}
.waitlist input::placeholder { color: var(--ink-soft); }
.waitlist input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.waitlist button {
  padding: 13px 22px;
  font: inherit;
  font-size: 1rem;
  color: var(--accent-ink);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
  cursor: pointer;
}
.waitlist button:hover { opacity: 0.9; }
.waitlist button:disabled { opacity: 0.55; cursor: default; }

.form-msg {
  flex: 1 0 100%;
  margin: 2px 0 0;
  min-height: 1.4em;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.form-msg.is-error { color: var(--accent); }

.fineprint { margin: 0; font-size: 0.88rem; color: var(--ink-soft); max-width: var(--measure); }

/* ── preview cards ────────────────────────────────────── */

.cards { display: grid; gap: 12px; grid-template-columns: 1fr; }

@media (min-width: 720px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}

.card {
  padding: 20px;
  background: var(--paper-sunk);
  border: 1px solid var(--rule);
  border-radius: 3px;
}
.card.is-live { border-color: var(--accent); }

.card-dist {
  margin: 0 0 14px;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.card.is-live .card-dist { color: var(--accent); }

.card h3 { margin: 0 0 6px; font-size: 1.45rem; line-height: 1.15; }
.card-venue { margin: 0 0 10px; font-size: 0.95rem; }
.card-dates { margin: 0; font-size: 0.88rem; color: var(--ink-soft); }

.caption { margin: 16px 0 0; font-size: 0.82rem; color: var(--ink-soft); font-style: italic; }

/* ── how it works ─────────────────────────────────────── */

h2 { font-size: clamp(1.9rem, 4.5vw, 2.7rem); line-height: 1.1; margin: 0 0 12px; max-width: 20ch; }
.section-lede { margin: 0 0 28px; color: var(--ink-soft); }

.steps { list-style: none; margin: 36px 0 0; padding: 0; display: grid; gap: 36px; }

@media (min-width: 760px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 32px; }
}

.steps .num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--display);
  font-size: 0.95rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.steps h3 { margin: 0 0 8px; font-size: 1.4rem; line-height: 1.2; }
.steps p { margin: 0; font-size: 0.97rem; color: var(--ink-soft); }

/* ── sources ──────────────────────────────────────────── */

.source-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .source-list { grid-template-columns: 1fr 1fr; column-gap: 32px; }
}

.source-list li {
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 1rem;
}

/* ── closing ──────────────────────────────────────────── */

.closing h2 { max-width: 22ch; margin-bottom: 20px; }

.btn {
  display: inline-block;
  margin-top: 30px;
  padding: 13px 26px;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  border-radius: 2px;
  font-size: 1rem;
}
.btn:hover { opacity: 0.9; }

/* ── footer ───────────────────────────────────────────── */

.foot {
  max-width: 1040px;
  margin: 0 auto;
  padding: 28px var(--gutter) 48px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  font-size: 0.86rem;
  color: var(--ink-soft);
}
.foot p { margin: 0; }