/* domthomas.dev : direction : document de consultant senior.
   Typo système franche, pas de webfont. Noir sur blanc neutre, un accent bleu encre.
   Plus proche du mémo que du template. */

:root {
  --bg: #fbfbf9;
  --bg-raised: #ffffff;
  --ink: #17181c;
  --ink-soft: #5b5e66;
  --line: #e3e3de;
  --line-strong: #17181c;
  --accent: #2447ad;
  --accent-ink: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101114;
    --bg-raised: #17181c;
    --ink: #e9e9e4;
    --ink-soft: #9b9ea6;
    --line: #2a2c31;
    --line-strong: #e9e9e4;
    --accent: #8aa3f5;
    --accent-ink: #101114;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.022em;
}

.wrap {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }

/* ---------- Nav ---------- */

.nav { border-bottom: 2px solid var(--line-strong); }

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.nav-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.nav-links { display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; }

.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9375rem;
}

.nav-links a:hover { color: var(--ink); }

.lang {
  display: flex;
  gap: 0.15rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
}

.lang a, .lang span { color: var(--ink-soft); text-decoration: none; padding: 0.1rem 0.35rem; }

.lang [aria-current] {
  color: var(--bg);
  background: var(--ink);
  font-weight: 600;
}

/* ---------- Boutons ---------- */

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 0.9688rem;
  padding: 0.85rem 1.5rem;
  text-decoration: none;
  transition: opacity 120ms ease;
}

.btn:hover { opacity: 0.88; }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}

.btn-note {
  display: block;
  margin-top: 0.85rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
  max-width: 40rem;
}

/* ---------- Hero ---------- */

.hero { padding: 5rem 0 4.5rem; }

.hero .kicker {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.75rem;
}

.hero h1 {
  font-size: clamp(2.3rem, 5.5vw, 3.9rem);
  max-width: 18ch;
  margin-bottom: 1.75rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero .lede {
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: 35rem;
  margin-bottom: 2.5rem;
}

.hero .cta-row { display: flex; gap: 0.85rem; flex-wrap: wrap; align-items: center; }

/* ---------- Sections ---------- */

section { padding: 4.25rem 0; }

section + section .wrap { border-top: 1px solid var(--line); padding-top: 0; }

section + section { padding-top: 0; }

section + section > .wrap { padding-top: 4.25rem; }

.section-title {
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  margin-bottom: 2.25rem;
  max-width: 30ch;
}

/* ---------- Douleur ---------- */

.pain-list {
  list-style: none;
  max-width: 40rem;
  display: grid;
  gap: 1rem;
}

.pain-list li {
  padding-left: 1.5rem;
  position: relative;
}

.pain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.6rem;
  height: 2px;
  background: var(--accent);
}

.pain-close {
  margin-top: 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  max-width: 40rem;
}

/* ---------- Synonymes ---------- */

.aka { max-width: 44rem; }

.aka-terms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.aka-terms span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8125rem;
  border: 1px solid var(--line);
  padding: 0.3rem 0.7rem;
  color: var(--ink-soft);
}

.aka p { color: var(--ink-soft); }

.aka p strong { color: var(--ink); }

/* ---------- Preuves ---------- */

.proofs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0;
}

.proof { padding: 0 2rem 0 0; }

.proof + .proof { border-left: 1px solid var(--line); padding-left: 2rem; }

.proof .figure {
  font-size: clamp(2.4rem, 4.5vw, 3.4rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.proof .figure small {
  display: block;
  font-size: 0.34em;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--accent);
  margin-top: 0.4rem;
}

.proof p { color: var(--ink-soft); font-size: 0.9375rem; }

.proofs-note { margin-top: 2.25rem; font-size: 0.875rem; color: var(--ink-soft); }

/* ---------- Offres ---------- */

.offers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.offer {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
  padding: 1.9rem;
  display: flex;
  flex-direction: column;
}

.offer.lead { border-top-color: var(--accent); }

.offer h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }

.offer .for {
  color: var(--ink-soft);
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
}

.offer ul {
  list-style: none;
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.offer ul li {
  padding-left: 1.35rem;
  position: relative;
  font-size: 0.9688rem;
}

.offer ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 0.55rem;
  height: 2px;
  background: var(--accent);
}

.price-line {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  margin-bottom: 1.25rem;
}

.price-line strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.offers-frame {
  margin-top: 2rem;
  padding: 1.4rem 1.75rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-raised);
  max-width: 46rem;
}

.offers-frame p + p { margin-top: 0.75rem; }

/* ---------- Qui ---------- */

.bio { max-width: 44rem; }

.bio p + p { margin-top: 1rem; }

.bio-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.6rem;
}

.bio-facts span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  border: 1px solid var(--line);
  padding: 0.3rem 0.7rem;
  color: var(--ink-soft);
}

/* ---------- Étapes ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 2rem;
  counter-reset: step;
}

.step { counter-increment: step; }

.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 0.6rem;
}

.step h3 { font-size: 1.1rem; margin-bottom: 0.45rem; }

.step p { color: var(--ink-soft); font-size: 0.9375rem; }

/* ---------- FAQ ---------- */

.faq { max-width: 46rem; }

.faq details { border-bottom: 1px solid var(--line); padding: 1.05rem 0; }

.faq summary {
  font-weight: 600;
  cursor: pointer;
  font-size: 1.02rem;
  list-style: none;
  position: relative;
  padding-right: 2rem;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: ui-monospace, monospace;
  font-size: 1.15rem;
  color: var(--accent);
}

.faq details[open] summary::after { content: "−"; }

.faq details p { margin-top: 0.85rem; color: var(--ink-soft); }

.faq details p + p { margin-top: 0.6rem; }

/* ---------- CTA final ---------- */

.final { padding: 5rem 0; }

.final .wrap {
  border-top: 2px solid var(--line-strong);
  padding-top: 4.5rem;
}

.final h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  max-width: 20ch;
  margin-bottom: 1.25rem;
}

.final p { color: var(--ink-soft); max-width: 34rem; margin-bottom: 2rem; }

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--line);
  padding: 2.25rem 0;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

footer a { color: var(--ink-soft); }

footer nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }

/* ---------- Mentions ---------- */

.legal { padding: 4rem 0; max-width: 44rem; }

.legal h1 { font-size: 2rem; margin-bottom: 2rem; }

.legal h2 { font-size: 1.2rem; margin: 2rem 0 0.6rem; }

.legal p { color: var(--ink-soft); }

@media (max-width: 640px) {
  .hero { padding: 3.25rem 0 3rem; }
  section { padding: 3.25rem 0; }
  section + section > .wrap { padding-top: 3.25rem; }
  .proof { padding-right: 0; }
  .proof + .proof {
    border-left: none;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 1.5rem;
    margin-top: 1.5rem;
  }
}