/* =========================================================
   OL Studio — feuille de styles globale
   Palette : #FAFAF7 / #0A0A0A / #C8553D
   Typos   : Fraunces (titres) + Inter (corps)
   ========================================================= */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
a { color: inherit; }

/* ---------- Variables ---------- */
:root {
  --bg: #FAFAF7;
  --bg-2: #F2F1EB;        /* léger contraste pour cards */
  --ink: #0A0A0A;
  --ink-2: #4A4A48;       /* texte secondaire */
  --ink-3: #8A8A86;       /* méta / labels */
  --line: #E5E3DC;        /* lignes fines */
  --accent: #C8553D;      /* terracotta */
  --accent-ink: #FAFAF7;

  --serif: "Fraunces", "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --gutter: clamp(20px, 4vw, 48px);
  --max-w: 1240px;

  /* Échelle typographique */
  --t-hero:    clamp(40px, 7vw, 92px);
  --t-h2:      clamp(32px, 4.6vw, 56px);
  --t-h3:      clamp(22px, 2.4vw, 30px);
  --t-body:    17px;
  --t-small:   14px;
  --t-label:   12px;
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--t-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: var(--accent-ink); }

.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
.mono  { font-family: var(--mono); }

/* ---------- Layout ---------- */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

section { padding: clamp(72px, 11vw, 140px) 0; border-top: 1px solid var(--line); }
section:first-of-type { border-top: 0; }

/* En-tête de section numérotée */
.sec-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: clamp(36px, 5vw, 64px);
  font-size: var(--t-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.sec-head .num { color: var(--ink); font-weight: 500; }
.sec-head .rule {
  flex: 1;
  height: 1px;
  background: var(--line);
  transform: translateY(-3px);
}

/* ---------- Titres ---------- */
h1, h2, h3, h4 { margin: 0; font-weight: 400; letter-spacing: -0.015em; }
h1 { font-family: var(--serif); font-size: var(--t-hero); line-height: 1.02; letter-spacing: -0.025em; }
h2 { font-family: var(--serif); font-size: var(--t-h2);  line-height: 1.05; letter-spacing: -0.02em; }
h3 { font-family: var(--serif); font-size: var(--t-h3);  line-height: 1.15; }
h4 { font-family: var(--sans);  font-size: 16px; font-weight: 500; letter-spacing: 0; }

p { margin: 0 0 1em; max-width: 62ch; }
p.lead { font-size: clamp(18px, 1.6vw, 22px); color: var(--ink-2); line-height: 1.5; max-width: 56ch; }

.accent { color: var(--accent); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 247, 0.78);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink);
}
.brand-mark {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--ink);
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.brand-name {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: -0.01em;
}
.brand-name em { font-style: italic; color: var(--ink-3); font-weight: 400; }

.nav-links {
  display: flex; gap: 28px; align-items: center;
}
.nav-links a {
  text-decoration: none;
  font-size: 14px;
  color: var(--ink-2);
  transition: color .15s;
  position: relative;
  padding: 4px 0;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--accent);
}

.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  background: var(--ink); color: var(--bg);
  border-radius: 999px;
  font-size: 14px;
  text-decoration: none;
  transition: background .15s, transform .15s;
}
.nav-cta:hover { background: var(--accent); }

.nav-burger {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.nav-burger span {
  display: block; width: 16px; height: 1px; background: var(--ink);
  position: relative;
}
.nav-burger span::before,
.nav-burger span::after {
  content: ""; position: absolute; left: 0; right: 0; height: 1px; background: var(--ink);
}
.nav-burger span::before { top: -5px; }
.nav-burger span::after  { top:  5px; }

@media (max-width: 820px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: inline-flex; }
  .site-header.menu-open .nav-links {
    display: flex; flex-direction: column;
    position: absolute; left: 0; right: 0; top: 72px;
    background: var(--bg);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 16px var(--gutter) 24px;
    gap: 14px;
  }
  .site-header.menu-open .nav-links a { font-size: 18px; }
  .site-header.menu-open .nav-cta {
    display: inline-flex; align-self: flex-start;
    margin: 4px var(--gutter) 24px;
  }
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: background .15s, color .15s, transform .15s, border-color .15s;
  white-space: nowrap;
}
.btn .arr { transition: transform .2s; }
.btn:hover .arr { transform: translateX(3px); }

.btn-primary {
  background: var(--ink); color: var(--bg);
}
.btn-primary:hover { background: var(--accent); }

.btn-accent {
  background: var(--accent); color: var(--accent-ink);
}
.btn-accent:hover { background: var(--ink); }

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

.btn-link {
  padding: 6px 0;
  border-radius: 0;
  border-bottom: 1px solid var(--ink);
}
.btn-link:hover { color: var(--accent); border-color: var(--accent); }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* ---------- Hero ---------- */
.hero { padding: clamp(72px, 12vw, 160px) 0 clamp(64px, 9vw, 120px); }
.hero .eyebrow {
  font-size: var(--t-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 28px;
  display: inline-flex; align-items: center; gap: 12px;
}
.hero .eyebrow::before {
  content: ""; width: 24px; height: 1px; background: var(--accent);
}
.hero h1 { max-width: 16ch; }
.hero h1 em { font-style: italic; color: var(--accent); font-weight: 400; }
.hero p.lead { margin-top: 28px; }
.hero .cta-row { margin-top: 40px; }

/* ---------- Grilles ---------- */
.grid { display: grid; gap: 1px; background: var(--line); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid > * { background: var(--bg); padding: clamp(28px, 3vw, 40px); }

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

/* ---------- Cards services ---------- */
.svc-card {
  display: flex; flex-direction: column;
  min-height: 320px;
  position: relative;
  text-decoration: none;
  color: var(--ink);
  transition: background .25s;
}
.svc-card:hover { background: var(--bg-2); }
.svc-card .svc-num {
  font-family: var(--mono); font-size: 12px; color: var(--ink-3);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.svc-card .svc-title { font-family: var(--serif); font-size: 28px; line-height: 1.15; letter-spacing: -0.015em; }
.svc-card .svc-price {
  font-size: 13px; color: var(--ink-2);
  margin-top: 8px;
}
.svc-card .svc-desc {
  margin-top: 18px; color: var(--ink-2); font-size: 15px; line-height: 1.55;
  flex: 1;
}
.svc-card .svc-link {
  margin-top: 24px;
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--ink);
}
.svc-card .svc-link .arr { transition: transform .2s; }
.svc-card:hover .svc-link { color: var(--accent); }
.svc-card:hover .svc-link .arr { transform: translateX(4px); }

/* ---------- Liste "Pourquoi" ---------- */
.why-list { display: grid; gap: 1px; background: var(--line); }
.why-row {
  display: grid; grid-template-columns: 80px 1fr 1fr;
  gap: clamp(20px, 3vw, 56px);
  background: var(--bg);
  padding: clamp(28px, 4vw, 44px) 0;
  align-items: baseline;
}
.why-row .num {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: var(--ink-3);
}
.why-row h4 {
  font-family: var(--serif); font-size: clamp(20px, 2vw, 26px);
  font-weight: 400; letter-spacing: -0.01em;
}
.why-row p { margin: 0; color: var(--ink-2); }
@media (max-width: 760px) {
  .why-row { grid-template-columns: 60px 1fr; }
  .why-row p { grid-column: 1 / -1; padding-left: 60px; }
}

/* ---------- Réalisations ---------- */
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.work-grid--two-centered { grid-template-columns: repeat(2, minmax(0, 420px)); justify-content: center; }
.work-grid--two { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
  .work-grid,
  .work-grid--two-centered,
  .work-grid--two { grid-template-columns: 1fr; justify-content: stretch; }
}
.work-card { text-decoration: none; color: var(--ink); display: block; }
.work-card .ph {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--bg-2);
  background-image:
    repeating-linear-gradient(135deg, transparent 0 14px, rgba(10,10,10,.04) 14px 15px);
  border: 1px solid var(--line);
  display: flex; align-items: flex-end; justify-content: space-between;
  padding: 16px;
  font-family: var(--mono); font-size: 11px; color: var(--ink-3);
  letter-spacing: 0.08em; text-transform: uppercase;
  transition: transform .35s ease;
}
.work-card .ph img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.work-card:hover .ph { transform: translateY(-4px); }
.work-card .ph.placeholder {
  background-image:
    repeating-linear-gradient(135deg, transparent 0 14px, rgba(200,85,61,.08) 14px 15px);
}
.work-card .work-meta {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-top: 14px;
}
.work-card .work-title { font-family: var(--serif); font-size: 20px; }
.work-card .work-tag { font-size: 13px; color: var(--ink-3); }

/* ---------- CTA final ---------- */
.final-cta { background: var(--ink); color: var(--bg); }
.final-cta section { border: 0; }
.final-cta .wrap { text-align: left; }
.final-cta h2 { color: var(--bg); max-width: 14ch; }
.final-cta h2 em { font-style: italic; color: var(--accent); }
.final-cta p { color: rgba(250,250,247,.7); max-width: 50ch; margin-top: 24px; }
.final-cta .cta-row { margin-top: 40px; }
.final-cta .btn-ghost { color: var(--bg); border-color: var(--bg); }
.final-cta .btn-ghost:hover { background: var(--bg); color: var(--ink); }
.final-cta .btn-primary { background: var(--accent); }
.final-cta .btn-primary:hover { background: var(--bg); color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 64px 0 32px;
  font-size: 14px;
  color: var(--ink-2);
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px;
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h5 {
  font-family: var(--sans); font-size: 12px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--ink-3); margin: 0 0 16px;
}
.footer-grid a { display: block; padding: 4px 0; text-decoration: none; color: var(--ink); }
.footer-grid a:hover { color: var(--accent); }
.footer-legal {
  margin-top: 56px; padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px;
  font-size: 12px; color: var(--ink-3);
}
.footer-legal a { color: var(--ink-3); text-decoration: none; margin-right: 16px; }
.footer-legal a:hover { color: var(--ink); }
.footer-brand-line { font-family: var(--serif); font-style: italic; font-size: 15px; color: var(--ink-2); margin-top: 8px; }

/* ---------- Chiffres clés (page sites web) ---------- */
.kpis {
  display: grid; grid-template-columns: repeat(3, 1fr);
  margin-top: 56px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.kpi { padding: 24px 0; }
.kpi + .kpi { border-left: 1px solid var(--line); padding-left: 24px; }
.kpi .num { font-family: var(--serif); font-size: clamp(32px, 4vw, 44px); line-height: 1; }
.kpi .num em { font-style: italic; color: var(--accent); }
.kpi .lbl { display: block; margin-top: 8px; font-size: 13px; color: var(--ink-3); }
@media (max-width: 700px) {
  .kpis { grid-template-columns: 1fr; }
  .kpi + .kpi { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
}

/* ---------- Packs ---------- */
.packs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 980px) { .packs { grid-template-columns: 1fr; } }
.pack {
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 36px 32px;
  display: flex; flex-direction: column;
  position: relative;
  transition: border-color .2s, transform .2s;
}
.pack:hover { border-color: var(--ink); }
.pack.featured { border-color: var(--ink); background: var(--ink); color: var(--bg); }
.pack.featured .pack-feat { color: rgba(250,250,247,.78); }
.pack.featured .pack-price em { color: var(--accent); }
.pack.featured .pack-name { color: var(--bg); }
.pack.featured .pack-meta { color: rgba(250,250,247,.55); }
.pack.featured .pack-includes li::before { background: var(--accent); }
.pack.featured .btn-primary { background: var(--accent); }
.pack.featured .btn-primary:hover { background: var(--bg); color: var(--ink); }

.pack.pack--starter { padding: 28px 24px; }
.pack.pack--starter .pack-price { font-size: 34px; }
.pack.pack--starter .pack-feat { color: var(--ink-3); }

.pack-badge {
  position: absolute; top: -1px; right: -1px;
  background: var(--accent); color: var(--accent-ink);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 6px 12px;
}
.pack-name {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px;
}
.pack-price { font-family: var(--serif); font-size: 44px; line-height: 1; letter-spacing: -0.02em; }
.pack-price em { font-style: italic; color: var(--accent); }
.pack-meta { font-size: 13px; color: var(--ink-3); margin-top: 8px; }
.pack-feat { margin: 24px 0 12px; color: var(--ink-2); font-size: 14px; }
.pack-includes { list-style: none; padding: 0; margin: 0 0 28px; }
.pack-includes li {
  padding: 10px 0 10px 22px;
  border-bottom: 1px solid currentColor;
  border-color: rgba(0,0,0,.06);
  font-size: 14px;
  position: relative;
}
.pack.featured .pack-includes li { border-color: rgba(255,255,255,.08); }
.pack-includes li::before {
  content: ""; position: absolute; left: 0; top: 17px;
  width: 12px; height: 1px; background: var(--ink);
}
.pack-includes li:last-child { border-bottom: 0; }
.pack .btn { margin-top: auto; align-self: flex-start; }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.process--three { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 820px) {
  .process { grid-template-columns: 1fr 1fr; }
  .process--three { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .process { grid-template-columns: 1fr; }
  .process--three { grid-template-columns: 1fr; }
}
.step { background: var(--bg); padding: 28px 24px 28px 0; }
.step .step-num { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.16em; }
.step h4 { font-family: var(--serif); font-size: 22px; font-weight: 400; margin: 14px 0 8px; letter-spacing: -0.01em; }
.step p { font-size: 14px; color: var(--ink-2); margin: 0; max-width: 28ch; }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--serif); font-size: clamp(18px, 1.8vw, 22px);
  letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .plus {
  width: 18px; height: 18px; position: relative; flex: 0 0 18px;
  transition: transform .3s;
}
.faq summary .plus::before,
.faq summary .plus::after {
  content: ""; position: absolute; background: var(--ink);
  left: 0; right: 0; top: 50%; height: 1px;
}
.faq summary .plus::after { transform: rotate(90deg); transition: transform .3s; }
.faq details[open] summary .plus::after { transform: rotate(0); }
.faq details p {
  margin: 16px 0 0; color: var(--ink-2); max-width: 68ch;
  animation: fadeIn .35s ease both;
}

/* ---------- Liste expertises (data / ia) ---------- */
.expertise { list-style: none; padding: 0; margin: 0; }
.expertise li {
  display: grid; grid-template-columns: 56px 1fr;
  align-items: baseline; gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.expertise li:first-child { border-top: 1px solid var(--line); }
.expertise li .idx { font-family: var(--mono); font-size: 12px; color: var(--ink-3); letter-spacing: 0.1em; }
.expertise li h4 { font-family: var(--serif); font-size: clamp(20px, 2vw, 24px); font-weight: 400; letter-spacing: -0.01em; }
.expertise li p { margin: 6px 0 0; color: var(--ink-2); font-size: 15px; max-width: 60ch; }

/* ---------- Use cases (IA) ---------- */
.use-cases { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
@media (max-width: 820px) { .use-cases { grid-template-columns: 1fr; } }
.use-card { background: var(--bg); padding: clamp(28px, 3vw, 40px); }
.use-card .uc-tag { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.14em; text-transform: uppercase; }
.use-card h4 { font-family: var(--serif); font-size: 24px; font-weight: 400; margin: 14px 0 10px; letter-spacing: -0.01em; }
.use-card p { color: var(--ink-2); font-size: 15px; margin: 0; }

/* ---------- Pour qui ---------- */
.audience {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
@media (max-width: 820px) { .audience { grid-template-columns: 1fr; } }
.audience h3 { font-family: var(--serif); font-size: clamp(28px, 3vw, 40px); font-weight: 400; letter-spacing: -0.015em; }
.audience h3 em { font-style: italic; color: var(--accent); }
.audience .a-list { list-style: none; padding: 0; margin: 16px 0 0; }
.audience .a-list li {
  padding: 14px 0 14px 20px; border-top: 1px solid var(--line);
  font-size: 16px; position: relative;
}
.audience .a-list li::before {
  content: ""; position: absolute; left: 0; top: 23px; width: 10px; height: 1px; background: var(--accent);
}
.audience .a-list li:last-child { border-bottom: 1px solid var(--line); }

/* ---------- Constat (douleur) ---------- */
.constat {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 6vw, 96px); align-items: start;
}
@media (max-width: 820px) { .constat { grid-template-columns: 1fr; } }
.constat .quote {
  font-family: var(--serif); font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1; letter-spacing: -0.02em; margin: 0;
}
.constat .quote em { font-style: italic; color: var(--accent); }
.constat ul { list-style: none; padding: 0; margin: 0; }
.constat li {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  display: grid; grid-template-columns: 32px 1fr; gap: 16px; align-items: start;
}
.constat li:last-child { border-bottom: 1px solid var(--line); }
.constat li .nx { font-family: var(--mono); color: var(--accent); font-size: 13px; }

/* ---------- Formulaire contact ---------- */
.form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  max-width: 720px;
}
.form .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3);
}
.field input, .field textarea, .field select {
  font: inherit; font-size: 16px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 12px 0 12px;
  color: var(--ink);
  outline: none;
  transition: border-color .2s;
  border-radius: 0;
}
.field textarea { min-height: 140px; resize: vertical; line-height: 1.5; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--ink); }
.field.error input, .field.error textarea, .field.error select { border-color: var(--accent); }
.field .err-msg { font-size: 12px; color: var(--accent); min-height: 14px; }

.radio-row { display: flex; flex-wrap: wrap; gap: 10px; }
.radio-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  transition: all .15s;
}
.radio-pill input { position: absolute; opacity: 0; pointer-events: none; }
.radio-pill:hover { border-color: var(--ink); }
.radio-pill.is-on {
  background: var(--ink); color: var(--bg); border-color: var(--ink);
}
.form-submit-row { display: flex; align-items: center; gap: 24px; margin-top: 8px; flex-wrap: wrap; }
.form-status { font-size: 13px; color: var(--ink-3); }
.form-status.success { color: var(--accent); }

.contact-grid {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 96px);
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } .form { grid-template-columns: 1fr; } }
.contact-info dl { margin: 0; }
.contact-info dt { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.contact-info dd { margin: 4px 0 24px; font-size: 17px; }
.contact-info dd a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.contact-info dd a:hover { border-color: var(--accent); color: var(--accent); }
.contact-info .badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: var(--bg-2); border-radius: 999px;
  font-size: 13px; color: var(--ink-2);
}
.contact-info .badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ---------- Cookie banner ---------- */
.cookie {
  position: fixed; left: 16px; right: 16px; bottom: 16px;
  z-index: 100;
  max-width: 520px;
  background: var(--ink); color: var(--bg);
  padding: 20px 22px;
  border-radius: 16px;
  display: flex; flex-direction: column; gap: 14px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.18);
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
}
.cookie.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.cookie p { margin: 0; font-size: 14px; color: rgba(250,250,247,.78); }
.cookie strong { color: var(--bg); font-weight: 500; }
.cookie .row { display: flex; gap: 10px; }
.cookie button {
  flex: 1; padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  border: 1px solid rgba(250,250,247,.2);
  color: var(--bg);
  transition: background .15s, color .15s;
}
.cookie button.primary { background: var(--accent); border-color: var(--accent); }
.cookie button:hover { background: var(--bg); color: var(--ink); border-color: var(--bg); }

/* ---------- Fade in au scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s ease, transform .7s ease;
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Page-intro (sous le hero pour /data /ia) ---------- */
.page-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 28px;
}
.page-tag::before { content: ""; width: 20px; height: 1px; background: var(--accent); }

/* ---------- Tools / stack chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chip {
  font-family: var(--mono); font-size: 12px;
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--ink-2);
}