@import url('/fonts/fonts.css');

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

:root {
  /* Parent brand — same bones as corAIgen / AWD, steel-blue accent. */
  --bg: #000000;
  --surface: #0c0c0e;
  --surface-2: #111114;
  --text: #ffffff;
  --text-muted: #8a8a8f;
  --accent: #8eb4ff;          /* cool steel-blue; not Danny orange or corAIgen teal */
  --accent-strong: #4d74b0;   /* filled-CTA fallback; 4.4:1 on black */
  --link: #b4ccff;
  --border: #1c1c20;          /* DECORATIVE hairlines only */
  --border-control: #4d74b0;  /* >=3:1 on black — any interactive boundary (1.4.11) */

  --font-sans: 'Onest', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Fira Code', monospace;

  --radius: 8px;
  --radius-lg: 18px;
  --u: 4px;
  --maxw: 1040px;             /* narrower than AWD's 1240 — senior / parent */
  --section: calc(var(--u) * 36);
}

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font-sans); font-size: 1.05rem; line-height: 1.7;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: calc(var(--u) * 7); }

/* Sticky header would otherwise bury section headings on anchor jumps. */
.section, .hero { scroll-margin-top: 88px; }

/* ── faint steel grid (AWD pattern, parent colour) ──────────────── */
.grid-bg {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(to right, rgb(142 180 255 / 6%) 1px, transparent 1px),
    linear-gradient(to bottom, rgb(142 180 255 / 6%) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 20%, transparent 78%);
}
.grid-bg::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 55% 40% at 78% 18%, rgb(142 180 255 / 9%), transparent 62%);
}

/* ── type ─────────────────────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.28em; text-transform: uppercase; color: var(--accent);
  margin: 0 0 calc(var(--u) * 5);
}
.hero h1 {
  font-size: clamp(2.6rem, 1.0rem + 5.6vw, 4.4rem);
  line-height: 1.02; letter-spacing: -0.035em; font-weight: 700;
  margin: 0 0 calc(var(--u) * 7); max-width: 18ch;
}
.hero h1 .hl { color: var(--accent); display: block; }
.section h2 {
  font-size: clamp(1.9rem, 0.9rem + 3.2vw, 3rem);
  line-height: 1.08; letter-spacing: -0.025em; font-weight: 700;
  margin: 0 0 calc(var(--u) * 6); max-width: 20ch;
}
.section h2 .hl { color: var(--accent); }
.lede { color: var(--text-muted); font-size: 1.15rem; max-width: 56ch; margin: 0; }
.lede a { color: var(--link); text-decoration: none; }
.lede a:hover { text-decoration: underline; }
.lede a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.hero-actions {
  display: flex; flex-wrap: wrap; gap: calc(var(--u) * 4); align-items: center;
  margin-top: calc(var(--u) * 9);
}

/* ── header ───────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgb(0 0 0 / 72%); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: calc(var(--u) * 6); padding-block: calc(var(--u) * 5);
}
.wordmark {
  font-family: var(--font-mono); font-weight: 700; font-size: 0.95rem;
  letter-spacing: 0.16em; color: var(--accent); text-decoration: none; white-space: nowrap;
}
.nav { display: flex; gap: calc(var(--u) * 8); }
.nav a {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-muted); text-decoration: none; transition: color 140ms ease;
  /* 2.5.8 target size: padding carries 0.7rem caps past the 24px minimum. */
  padding-block: calc(var(--u) * 2);
}
.nav a:hover { color: var(--text); }
.nav a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

@media (max-width: 860px) {
  .site-header { position: static; }
  .site-header .wrap { flex-wrap: wrap; row-gap: calc(var(--u) * 2); }
  .nav {
    order: 3; width: 100%; flex-wrap: wrap;
    gap: calc(var(--u) * 1) calc(var(--u) * 6);
  }
}
@media (max-width: 420px) {
  .site-header .wrap { justify-content: flex-start; gap: calc(var(--u) * 3); }
  .site-header .btn { font-size: 0.64rem; padding-inline: calc(var(--u) * 4); }
}

/* corAIgen's internal capitals are load-bearing — opt out of uppercasing. */
.brand { text-transform: none; letter-spacing: 0.02em; }

/* ── buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: calc(var(--u) * 2);
  padding: calc(var(--u) * 4) calc(var(--u) * 7);
  border-radius: var(--radius);
  border: 1px solid var(--border-control);   /* 1.4.11: never --border here */
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  transition: border-color 140ms ease, color 140ms ease, background-color 140ms ease;
}
.btn-primary { background: var(--surface); color: var(--accent); box-shadow: none; }
.btn-primary:hover { border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { color: var(--text); border-color: var(--accent); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ── sections ─────────────────────────────────────────────────── */
.hero { position: relative; padding-block: calc(var(--u) * 30) var(--section); }
.section { padding-block: var(--section); }
.section--rule { border-top: 1px solid var(--border); }

/* ── comparison (with / without) ──────────────────────────────── */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: calc(var(--u) * 6); margin-top: calc(var(--u) * 12); }
.compare-col { padding: calc(var(--u) * 8); border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.compare-col h3 {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted);
  margin: 0 0 calc(var(--u) * 6);
}
.compare-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: calc(var(--u) * 4); }
.compare-col li { color: var(--text-muted); font-size: 1rem; padding-left: calc(var(--u) * 7); position: relative; }
.compare-col li::before { position: absolute; left: 0; }
.compare--bad li::before { content: '×'; color: #8a8a8f; }
.compare--good li::before { content: '→'; color: var(--accent); }
.compare--good { border-color: var(--border-control); }

/* ── family cards (three doors) ───────────────────────────────── */
.family { display: grid; grid-template-columns: repeat(3, 1fr); gap: calc(var(--u) * 5); margin-top: calc(var(--u) * 12); }
.card {
  display: flex; flex-direction: column;
  padding: calc(var(--u) * 8);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.card--featured { border-color: var(--border-control); }
.card-kicker {
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 calc(var(--u) * 4);
}
.card h3 { margin: 0 0 calc(var(--u) * 3); font-size: 1.5rem; font-weight: 600; letter-spacing: -0.01em; }
.card-desc { color: var(--text-muted); margin: 0 0 calc(var(--u) * 5); font-size: 1rem; }
.card-meta {
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em;
  color: var(--text-muted); margin: 0 0 calc(var(--u) * 6); line-height: 1.9;
}
.card-route {
  margin-top: auto; padding-top: calc(var(--u) * 4);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); text-decoration: none;
  display: inline-flex; align-items: center; gap: calc(var(--u) * 2);
  padding-block: calc(var(--u) * 2);
}
.card-route:hover { color: var(--text); }
.card-route:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

@media (max-width: 820px) {
  .compare { grid-template-columns: 1fr; }
  .family { grid-template-columns: 1fr; }
}

/* ── forms ────────────────────────────────────────────────────── */
.form { display: grid; gap: calc(var(--u) * 5); max-width: 560px; margin-top: calc(var(--u) * 10); }
.field-label {
  display: block; margin-bottom: calc(var(--u) * 2);
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-muted);
}
.field {
  width: 100%; padding: calc(var(--u) * 4) calc(var(--u) * 5);
  border-radius: var(--radius);
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-control);   /* 1.4.11 */
  font: inherit; font-size: 1rem;
}
.field::placeholder { color: var(--text-muted); }
.field:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
textarea.field { min-height: 130px; resize: vertical; }

/* ── footer ───────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border); padding-block: calc(var(--u) * 10);
  color: var(--text-muted); font-size: 0.88rem;
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: calc(var(--u) * 5); justify-content: space-between; }
.site-footer p { margin: 0; max-width: 52ch; }
.site-footer a { color: var(--link); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Netlify honeypot. MUST be display:none — .visually-hidden uses the clip-rect
   pattern, which deliberately KEEPS content in the accessibility tree and tab
   order. A screen-reader or autofill user filling it makes Netlify silently
   discard the submission while the visitor is shown a success page. That is
   the exact failure that cost aiwithdanny.com 17 days of signups. */
.hp { display: none; }

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

@media (max-width: 620px) {
  :root { --section: calc(var(--u) * 20); }
  .hero { padding-block: calc(var(--u) * 14) calc(var(--u) * 12); }
  .wrap { padding-inline: calc(var(--u) * 5); }
  .card { padding: calc(var(--u) * 6); }
  .site-header .wrap {
    padding-block: calc(var(--u) * 3);
    row-gap: calc(var(--u) * 1.5);
    gap: calc(var(--u) * 3);
  }
  .nav { gap: 0 calc(var(--u) * 5); }
  .nav a {
    font-size: 0.62rem; letter-spacing: 0.12em;
    padding-block: calc(var(--u) * 2);
  }
  .site-header .btn {
    padding: calc(var(--u) * 2.5) calc(var(--u) * 4);
    font-size: 0.62rem; letter-spacing: 0.1em;
  }
}

/* ── reduced motion, global backstop ────────────────────────────
   Individual guards keep working; this is the net beneath them, so a
   new transition cannot ship unguarded by omission. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── skip link ──────────────────────────────────────────────────
   Deliberately NOT display:none, visibility:hidden, or the clip-rect
   .visually-hidden pattern. The first two drop it out of the tab order;
   the third is the pattern that made the Netlify honeypot reachable.
   transform hides it visually while leaving it focusable. */
.skip {
  position: fixed; left: calc(var(--u) * 4); top: calc(var(--u) * 4); z-index: 100;
  transform: translateY(calc(-100% - var(--u) * 8));
  padding: calc(var(--u) * 3) calc(var(--u) * 5);
  background: var(--surface); color: var(--accent);
  border: 1px solid var(--border-control); border-radius: var(--radius);
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; text-decoration: none;
}
.skip:focus { transform: translateY(0); outline: 2px solid var(--accent); outline-offset: 2px; }

#main { scroll-margin-top: 96px; }