:root {
  --iron-950: #15120D;
  --iron-900: #1F1A13;
  --iron-850: #2A2318;
  --bone: #EFE8D8;
  --ash: #9C927C;
  --ember: #E8912B;
  --ember-bright: #FBC46B;
  --ember-deep: #8A5A16;
  --hairline: rgba(239, 232, 216, 0.12);
  --hairline-strong: rgba(239, 232, 216, 0.22);

  --font-display: 'Archivo Expanded', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --wrap: 760px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--iron-950);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.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;
}

a { color: var(--ember-bright); }

/* Focus visibility */
:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 2px;
}

/* ---- Nav ---- */
.nav {
  border-bottom: 1px solid var(--hairline);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 22px;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.01em;
}
.wordmark.small { font-size: 16px; }
.pill {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ember-bright);
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 6px 14px;
}

/* ---- Hero ---- */
.hero {
  padding-top: 88px;
  padding-bottom: 72px;
  text-align: center;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ember);
  margin: 0 0 20px;
}
h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.lede {
  font-size: 18px;
  color: var(--ash);
  max-width: 520px;
  margin: 0 auto 36px;
}

/* ---- Signup form ---- */
.signup {
  display: flex;
  gap: 10px;
  max-width: 420px;
  margin: 0 auto;
}
.signup input[type="email"] {
  flex: 1;
  min-width: 0;
  background: var(--iron-900);
  border: 1px solid var(--hairline-strong);
  border-radius: 4px;
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 13px 16px;
}
.signup input[type="email"]::placeholder { color: var(--ash); }
.signup input[type="email"]:focus {
  border-color: var(--ember);
}
.signup button {
  background: var(--ember);
  color: var(--iron-950);
  border: none;
  border-radius: 4px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 22px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease;
}
.signup button:hover { background: var(--ember-bright); }
.signup button:disabled { opacity: 0.6; cursor: default; }

.turnstile-widget {
  display: flex;
  justify-content: center;
  margin: 14px 0 0;
}

.fine-print {
  font-size: 13px;
  color: var(--ash);
  margin: 14px 0 0;
}
.fine-print[data-state="success"] { color: var(--ember-bright); }
.fine-print[data-state="error"] { color: #E2665E; }

/* ---- Signature forge strip ---- */
.forge-strip {
  width: 100%;
  max-width: 620px;
  height: auto;
  margin: 64px auto 0;
  display: block;
}
.strip-caption {
  display: flex;
  justify-content: space-between;
  max-width: 620px;
  margin: 10px auto 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ash);
}
.strip-caption span:last-child { text-align: right; }
.strip-caption span:nth-child(2) { text-align: center; }

/* ---- Sections ---- */
.section {
  padding-top: 76px;
  padding-bottom: 76px;
  border-top: 1px solid var(--hairline);
}
.spec-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ember);
  margin: 0 0 16px;
}
h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1.25;
  margin: 0 0 18px;
  max-width: 560px;
}
.section-lede {
  color: var(--ash);
  font-size: 16px;
  max-width: 540px;
  margin: 0 0 28px;
}
.section-close {
  color: var(--bone);
  font-size: 16px;
  margin: 28px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
}

/* ---- Problem chain list ---- */
.chain {
  list-style: none;
  margin: 0;
  padding: 0;
}
.chain li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--bone);
}
.chain li:first-child { border-top: 1px solid var(--hairline); }
.chain-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ember);
  flex-shrink: 0;
  width: 24px;
}

/* ---- Steps ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.step {
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 24px 22px;
  background: var(--iron-900);
}
.step-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ember);
  margin: 0 0 12px;
}
.step h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  margin: 0 0 10px;
}
.step p {
  color: var(--ash);
  font-size: 14.5px;
  margin: 0;
}

/* ---- Alpha badge ---- */
.alpha-badge {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid var(--hairline-strong);
  border-radius: 4px;
  padding: 18px 20px;
  color: var(--ash);
  font-size: 14.5px;
  max-width: 560px;
}
.alpha-badge .dot {
  flex-shrink: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ember);
  margin-top: 6px;
}

/* ---- FAQ ---- */
.faq-list details {
  border-bottom: 1px solid var(--hairline);
  padding: 18px 0;
}
.faq-list details:first-child { border-top: 1px solid var(--hairline); }
.faq-list summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
  font-size: 16px;
  color: var(--bone);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list .chev {
  flex-shrink: 0;
  width: 10px; height: 10px;
  margin-left: 16px;
  border-right: 1.5px solid var(--ember);
  border-bottom: 1.5px solid var(--ember);
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}
.faq-list details[open] .chev { transform: rotate(225deg); }
.faq-list details p {
  color: var(--ash);
  font-size: 15px;
  margin: 14px 0 0;
  max-width: 560px;
}

/* ---- Final CTA ---- */
.cta-final { text-align: center; }
.cta-final h2 { margin-left: auto; margin-right: auto; }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 40px 0 56px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  color: var(--ash);
  font-size: 13px;
}
.footer-meta { color: var(--ash); opacity: 0.7; }

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .signup { flex-direction: column; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 64px; }
  .strip-caption { font-size: 10px; }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}