:root {
  --paper: #f4f1ea;
  --paper-2: #ebe6da;
  --ink: #171614;
  --ink-2: #57534b;
  --line: #d8d1c2;
  --accent: #e5481c;
  --accent-ink: #fff;
  --card: #1b1a18;
  --card-ink: #ece8df;
  --card-dim: #8f897c;
  --ok: #2f7d4f;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121110;
    --paper-2: #1b1a18;
    --ink: #ece8df;
    --ink-2: #a39d90;
    --line: #2e2c28;
    --card: #1f1d1a;
    --ok: #6cc28f;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.08; letter-spacing: -0.02em; margin: 0; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
h3 { font-size: 1.3rem; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* nav */
.nav { display: flex; align-items: center; justify-content: space-between; padding-top: 22px; padding-bottom: 22px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font: 600 1.15rem var(--sans); text-decoration: none; }
.logo-mark {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 8px;
  background: var(--ink); color: var(--paper); font: 500 0.85rem var(--mono);
}
.nav-cta { font-weight: 500; text-decoration: none; border-bottom: 2px solid var(--accent); padding-bottom: 2px; }

/* hero */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; padding-top: 56px; padding-bottom: 96px; }
.eyebrow { font: 500 0.8rem var(--mono); text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); margin: 0 0 20px; }
h1 { font-size: clamp(2.7rem, 6.2vw, 4.9rem); }
h1 em { font-style: italic; font-weight: 500; color: var(--accent); }
.lede { font-size: 1.15rem; color: var(--ink-2); max-width: 34em; margin: 28px 0 32px; }
.fine { font-size: 0.88rem; color: var(--ink-2); margin: 14px 0 0; }

/* query card */
.query-card {
  margin: 0; background: var(--card); color: var(--card-ink); border-radius: 14px;
  box-shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 30px 60px -20px rgba(23,22,20,.45);
  overflow: hidden; transform: rotate(-1deg);
}
.qc-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid #2e2c28; }
.qc-bar span { width: 10px; height: 10px; border-radius: 50%; background: #3a3833; }
.qc-bar code { margin-left: auto; font: 0.75rem var(--mono); color: var(--card-dim); }
.qc-query { margin: 0; padding: 18px 20px; font: 0.88rem/1.7 var(--mono); color: var(--card-ink); overflow-x: auto; border-bottom: 1px dashed #2e2c28; }
.qc-query .ln { display: block; white-space: pre; }
.qc-query .k { color: #ff8a5c; }
.qc-results { list-style: none; margin: 0; padding: 8px 0; }
.qc-results li { display: flex; gap: 14px; padding: 12px 20px; align-items: flex-start; }
.qc-results li + li { border-top: 1px solid #262420; }
.qc-score { font: 500 0.78rem var(--mono); background: #2a2824; color: #ffb08f; padding: 3px 7px; border-radius: 5px; margin-top: 2px; }
.qc-results strong { display: block; font-weight: 500; font-size: 0.97rem; line-height: 1.4; }
.qc-results small { color: var(--card-dim); font: 0.75rem var(--mono); }

/* signup */
.signup { display: grid; grid-template-columns: 1fr auto; gap: 10px; max-width: 540px; }
.signup label { display: contents; }
.signup input[name="interest"] { grid-column: 1 / -1; grid-row: 2; }
.signup input {
  font: inherit; font-size: 1rem; padding: 14px 16px; border-radius: 10px;
  border: 1.5px solid var(--line); background: var(--paper); color: var(--ink); min-width: 0;
}
.signup input:focus { outline: none; border-color: var(--ink); }
.signup button {
  font: 600 1rem var(--sans); padding: 14px 22px; border-radius: 10px; border: 0; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); transition: transform .12s ease, filter .12s ease;
}
.signup button:hover { filter: brightness(1.06); }
.signup button:active { transform: translateY(1px); }
.signup.htmx-request button { opacity: .6; pointer-events: none; }
.signup .hp { position: absolute; left: -9999px; }
.form-err { grid-column: 1 / -1; margin: 0; color: var(--accent); font-size: 0.92rem; }
.signup-done {
  display: flex; flex-direction: column; gap: 2px; max-width: 540px; padding: 18px 20px; border-radius: 10px;
  border: 1.5px solid var(--ok); color: var(--ok);
}
.signup-done span { color: var(--ink-2); }

/* problem */
.problem { background: var(--ink); color: var(--paper); padding: 96px 0; }
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.problem p { margin: 0; font-size: 1.15rem; color: color-mix(in srgb, var(--paper) 72%, transparent); }

/* steps */
.steps, .sources, .who, .cta { padding-top: 104px; }
.step-grid { list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.step { background: var(--paper); padding: 28px 24px 32px; }
.step-n { font: 500 0.8rem var(--mono); color: var(--accent); }
.step h3 { margin: 18px 0 10px; }
.step p { margin: 0; color: var(--ink-2); font-size: 0.98rem; }

/* sources */
.chips { list-style: none; padding: 0; margin: 40px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { display: inline-flex; align-items: baseline; gap: 8px; padding: 10px 16px; border: 1.5px solid var(--line); border-radius: 999px; background: var(--paper-2); }
.chips small { font: 0.72rem var(--mono); color: var(--ink-2); text-transform: uppercase; letter-spacing: .06em; }

/* who */
.who-card { border-left: 4px solid var(--accent); padding: 8px 0 8px 32px; max-width: 820px; }
.who-card p { color: var(--ink-2); font-size: 1.15rem; margin: 18px 0 0; }

/* cta */
.cta { padding-bottom: 120px; }
.cta p { color: var(--ink-2); margin: 16px 0 28px; font-size: 1.1rem; }

/* footer */
.foot { display: flex; justify-content: space-between; padding-top: 28px; padding-bottom: 40px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 0.9rem; }

@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; gap: 48px; padding-top: 24px; padding-bottom: 72px; }
  .query-card { transform: none; }
  .problem-grid { grid-template-columns: 1fr; gap: 24px; }
  .step-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  body { font-size: 16px; }
  .signup { grid-template-columns: 1fr; }
  .signup input[name="interest"] { grid-row: auto; }
  .step-grid { grid-template-columns: 1fr; }
  .problem { padding: 72px 0; }
  .steps, .sources, .who, .cta { padding-top: 80px; }
  .foot { flex-direction: column; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}