/* autolinker.app coming soon. Vanilla CSS, no build step.
 * Tokens herites du site unstale (~/unstale/site/public/css/style.css),
 * accent bascule de l'orange vers un bleu lien : c'est l'identite autolinker.
 * Spec : docs/superpowers/specs/2026-07-22-coming-soon-autolinker-app-design.md */

:root {
  /* Color */
  --color-ink: #14120f;
  --color-paper: #fafaf7;
  --color-accent: #2b5ea7;
  --color-surface: #f0ede8;
  --color-border: #e4dfd6;
  --color-muted: #6b6459;
  --color-success: #3a7d44;
  --color-error: #b33c2e;

  /* Type */
  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-body: "Instrument Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Courier New", monospace;
  --text-hero: 3.5rem;
  --text-h3: 1.375rem;
  --text-body: 1rem;
  --text-small: 0.875rem;

  /* Space (base unit 8px) */
  --space-2xs: 0.125rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Layout */
  --content-max: 1200px;

  /* Shape */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Motion */
  --ease-move: ease-in-out;
  --duration-short: 200ms;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-ink: #fafaf7;
    --color-paper: #14120f;
    --color-accent: #7d9fe0;
    --color-surface: #211e19;
    --color-border: #3a352c;
    --color-muted: #a39b8c;
    --color-success: #5a9d64;
    --color-error: #cf5a4a;
  }
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; color-scheme: light dark; }
body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p { overflow-wrap: break-word; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.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;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: var(--space-md);
  top: -3rem;
  background: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  z-index: 100;
  transition: top var(--duration-short) var(--ease-move);
}
.skip-link:focus { top: var(--space-md); }

/* Layout */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}
section { padding-block: var(--space-3xl); }

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-paper);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  height: 64px;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.wordmark .dot { color: var(--color-accent); }
.chip {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  white-space: nowrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 44px;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--text-small);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color var(--duration-short) var(--ease-move),
    color var(--duration-short) var(--ease-move),
    border-color var(--duration-short) var(--ease-move);
}
.btn-primary { background: var(--color-accent); color: var(--color-paper); }
.btn-primary:hover { background: color-mix(in srgb, var(--color-accent) 85%, black); }
.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn-secondary:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* Hero */
.hero { padding-top: var(--space-3xl); }
.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}
@media (min-width: 1024px) {
  .hero .container { grid-template-columns: 1fr 1fr; align-items: start; }
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 6vw, var(--text-hero));
  line-height: 1.05;
  margin-bottom: var(--space-lg);
}
.hero-lede {
  font-size: 1.125rem;
  color: var(--color-muted);
  max-width: 46ch;
  margin-bottom: var(--space-xl);
}

/* Waitlist form (no JS: native validation, server round-trip) */
.notify-form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  max-width: 30rem;
  scroll-margin-top: var(--space-xl);
}
.notify-form input[type="email"] {
  flex: 1 1 220px;
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  font: inherit;
  font-size: var(--text-small);
  color: var(--color-ink);
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.notify-form input[type="email"]::placeholder { color: var(--color-muted); }
.notify-form input[type="email"]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 0;
  border-color: var(--color-accent);
}
/* Honeypot: hors ecran, jamais display:none (les bots le detectent) */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-note {
  font-size: var(--text-small);
  color: var(--color-muted);
  margin-top: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.form-msg {
  font-size: var(--text-small);
  font-weight: 600;
  margin-top: var(--space-sm);
}
.form-msg.is-ok { color: var(--color-success); }
.form-msg.is-err { color: var(--color-error); }

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
}
.trust-row li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-small);
  color: var(--color-muted);
}
.trust-row svg { width: 18px; height: 18px; color: var(--color-accent); flex-shrink: 0; }

/* Demo panel: un paragraphe avant/apres le placement d'un lien interne */
.demo-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-paper);
}
.demo-grid { display: grid; grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .demo-grid { grid-template-columns: 1fr 1fr; }
}
.demo-col { padding: var(--space-lg); }
.demo-col + .demo-col { border-top: 1px solid var(--color-border); }
@media (min-width: 640px) {
  .demo-col + .demo-col { border-top: 0; border-left: 1px solid var(--color-border); }
}
.demo-col-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}
.demo-col-head span:first-child {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.demo-col-head small { color: var(--color-muted); font-size: var(--text-small); }
.demo-col p { font-family: var(--font-mono); font-size: var(--text-small); line-height: 1.6; }
.demo-before p { color: var(--color-muted); }
.demo-link {
  background: color-mix(in srgb, var(--color-accent) 14%, transparent);
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  padding: 0 2px;
  border-radius: var(--radius-sm);
}
.demo-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  color: var(--color-muted);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

/* Section headings */
.section-heading {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xl);
}
.section-heading:has(+ .section-lede) { margin-bottom: var(--space-sm); }
.section-lede {
  font-size: 1.0625rem;
  color: var(--color-muted);
  max-width: 62ch;
  margin-bottom: var(--space-xl);
}
.section-note { font-size: var(--text-small); color: var(--color-muted); margin-top: var(--space-lg); }

/* Pipeline */
.pipeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg) var(--space-2xl);
}
@media (max-width: 767px) { .pipeline { grid-template-columns: minmax(0, 1fr); } }
.pipeline li { display: flex; gap: var(--space-md); align-items: flex-start; }
.pipeline-rank {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  padding-top: 3px;
  flex: none;
}
.pipeline h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.3;
  margin-bottom: var(--space-2xs);
}
.pipeline p { font-size: 0.9375rem; color: var(--color-muted); }

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}
@media (max-width: 1023px) { .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 599px) { .feature-grid { grid-template-columns: minmax(0, 1fr); } }
.feature-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}
.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-h3);
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}
.feature-card p { font-size: 0.9375rem; color: var(--color-muted); }

/* Final CTA */
.final-cta { border-top: 1px solid var(--color-border); }
.final-cta p { max-width: 60ch; margin-bottom: var(--space-lg); font-size: 1.0625rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-2xl);
}
.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.footer-meta .version { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-muted); }
.footer-entity { margin-top: var(--space-sm); font-size: var(--text-small); color: var(--color-muted); }