/* ==========================================================================
   Studio Technology Development — Feuille de style principale
   Design : sombre, sobre, agence créative. Aucune dépendance externe.
   ========================================================================== */

/* ---------- Variables & réinitialisation ---------- */
:root {
  --ink:        #0a0e1a;
  --ink-2:      #101830;
  --ink-3:      #182242;
  --surface:    #f5f7fc;
  --white:      #ffffff;
  --blue:       #0059e8;
  --blue-soft:  #59b8ff;
  --gold:       #d4a94e;
  --text:       #202942;
  --muted:      #5b6478;
  --muted-soft: #aeb6c9;
  --line:       #e3e8f2;
  --line-dark:  #232d4e;
  --radius:     14px;
  --radius-lg:  22px;
  --shadow:     0 18px 40px -18px rgba(10, 14, 26, 0.28);
  --shadow-sm:  0 8px 22px -12px rgba(10, 14, 26, 0.25);
  --font: "Inter", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container:  1180px;
  --header-h:   76px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--blue); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--blue-soft); }

h1, h2, h3, h4 {
  margin: 0 0 0.6em;
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
}

p { margin: 0 0 1.1em; }

ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 3px solid var(--blue-soft);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Utilitaires ---------- */
.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.section { padding: 92px 0; }
.section--tint { background: var(--surface); }

.section-head { max-width: 660px; margin-bottom: 52px; }
.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.9rem;
}

.section-title { font-size: clamp(1.75rem, 3.4vw, 2.5rem); margin-bottom: 0.45em; }
.section-lead  { font-size: 1.06rem; color: var(--muted); margin-bottom: 0; }

/* Élément masqué visuellement (accessibilité) */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Élément masqué visuellement (accessibilité) */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Lien d'évitement (accessibilité) */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--blue);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  padding: 0.85em 1.9em;
  border-radius: 999px;
  border: 2px solid transparent;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 12px 26px -12px rgba(0, 89, 232, 0.75); }
.btn--primary:hover { background: #0a4fd0; color: #fff; }

.btn--ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.55); }
.btn--ghost:hover { border-color: #fff; color: #fff; background: rgba(255, 255, 255, 0.08); }

.btn--ghost-dark { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost-dark:hover { border-color: var(--ink); color: var(--ink); }

.btn .arrow { transition: transform 0.18s ease; }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- En-tête ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(10, 14, 26, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease;
}
.site-header.scrolled { background: rgba(10, 14, 26, 0.94); }

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.brand:hover { color: #fff; }
.brand img { width: 42px; height: 42px; border-radius: 10px; }
.brand-name { font-size: 1.02rem; line-height: 1.15; }
.brand-name small { display: block; font-size: 0.72rem; font-weight: 500; color: var(--muted-soft); letter-spacing: 0.08em; }

.main-nav ul { display: flex; align-items: center; gap: 34px; }
.main-nav a {
  color: #e8ecf7;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--gold);
  transition: right 0.25s ease;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: #fff; }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-actions .btn { padding: 0.65em 1.5em; font-size: 0.9rem; }

/* Burger (mobile) */
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 44px; height: 44px;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  margin: 5px auto;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Héros ---------- */
.hero {
  position: relative;
  min-height: max(640px, calc(100vh - 0px));
  display: flex;
  align-items: center;
  color: #fff;
  padding: calc(var(--header-h) + 56px) 0 96px;
  background:
    linear-gradient(100deg, rgba(7, 10, 20, 0.94) 0%, rgba(7, 10, 20, 0.78) 42%, rgba(7, 10, 20, 0.45) 100%),
    url("hero.jpg") center / cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 140px;
  background: linear-gradient(to bottom, transparent, rgba(10, 14, 26, 0.0));
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.3rem, 5.4vw, 3.7rem);
  font-weight: 800;
  max-width: 15ch;
  margin-bottom: 0.5em;
}
.hero h1 .accent { color: var(--gold); }

.hero p {
  color: #c9d2e8;
  font-size: 1.12rem;
  max-width: 56ch;
  margin-bottom: 2em;
}

.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 1.6em; }
.hero-badges li {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #e6ebf8;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.07);
  padding: 7px 14px;
  border-radius: 999px;
}
.hero-badges li strong { color: var(--gold); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- Page intérieure : bannière ---------- */
.page-hero {
  position: relative;
  color: #fff;
  padding: calc(var(--header-h) + 72px) 0 84px;
  background:
    linear-gradient(100deg, rgba(7, 10, 20, 0.95), rgba(7, 10, 20, 0.72)),
    url("hero.jpg") center / cover no-repeat;
}
.page-hero .eyebrow { color: var(--gold); }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3rem); max-width: 22ch; }
.page-hero p { color: #c9d2e8; max-width: 62ch; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.86rem;
  color: var(--muted-soft);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--muted-soft); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb [aria-current="page"] { color: #fff; }

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.service-icon {
  width: 64px; height: 64px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, #eef4ff, #dce9ff);
}
.service-icon img { width: 38px; height: 38px; object-fit: contain; }

.service-card h3 { font-size: 1.18rem; margin: 0; }
.service-card p { color: var(--muted); font-size: 0.96rem; margin: 0 0 8px; }

.service-card ul { display: grid; gap: 7px; font-size: 0.9rem; color: var(--text); }
.service-card ul li { padding-left: 22px; position: relative; }
.service-card ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

.service-card .card-link {
  margin-top: auto;
  font-weight: 600;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Carte IA (mise en avant) */
.service-card--ai {
  background: linear-gradient(150deg, #0d1530 0%, #101c44 55%, #16307a 130%);
  border-color: transparent;
  color: #dbe4ff;
}
.service-card--ai h3 { color: #fff; }
.service-card--ai p { color: #b9c4e6; }
.service-card--ai ul li { color: #dbe4ff; }
.service-card--ai .service-icon { background: rgba(255, 255, 255, 0.1); }
.service-card--ai .card-link { color: var(--gold); }
.service-card--ai .card-link:hover { color: #e8c477; }
.ai-badge {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0a0e1a;
  background: var(--gold);
  padding: 5px 12px;
  border-radius: 999px;
}

/* ---------- Bloc Expertise IA ---------- */
.ai-section {
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(0, 89, 232, 0.35), transparent 65%),
    radial-gradient(700px 380px at 0% 110%, rgba(212, 169, 78, 0.14), transparent 60%),
    var(--ink);
  color: #dbe4ff;
}
.ai-section .eyebrow { color: var(--gold); }
.ai-section h2 { color: #fff; }
.ai-section .section-lead { color: #aeb9dd; }

.ai-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}

.ai-points { display: grid; gap: 22px; }
.ai-point {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  align-items: start;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.ai-point:hover { border-color: rgba(212, 169, 78, 0.5); background: rgba(255, 255, 255, 0.07); }
.ai-point .num {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(212, 169, 78, 0.16);
  color: var(--gold);
  font-weight: 800;
  font-size: 1.05rem;
}
.ai-point h3 { font-size: 1.05rem; color: #fff; margin-bottom: 4px; }
.ai-point p { font-size: 0.92rem; color: #aeb9dd; margin: 0; }

.ai-cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 40px; }
.ai-cta-row .note { font-size: 0.88rem; color: #8f9cc4; }

/* ---------- Pages de détail (services) ---------- */
.split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: start;
}
.split + .split { margin-top: 0; }

.detail-list { display: grid; gap: 16px; margin: 10px 0 30px; }
.detail-list li {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 6px 14px;
  font-size: 0.95rem;
}
.detail-list li strong { color: var(--ink); font-weight: 700; grid-column: 1 / 2; }
.detail-list li span { color: var(--muted); grid-column: 2 / 3; }

.service-panel {
  background: var(--ink);
  color: #dbe4ff;
  border-radius: var(--radius-lg);
  padding: 42px 36px;
  position: sticky;
  top: calc(var(--header-h) + 24px);
}
.service-panel--ai {
  background:
    radial-gradient(500px 260px at 90% -20%, rgba(0, 89, 232, 0.4), transparent 65%),
    linear-gradient(150deg, #0d1530 0%, #101c44 60%, #16307a 140%);
}
.service-panel .panel-icon {
  width: 72px; height: 72px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.08);
  margin-bottom: 24px;
}
.service-panel .panel-icon img { width: 42px; height: 42px; object-fit: contain; }
.service-panel h3 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.service-panel ul { display: grid; gap: 12px; font-size: 0.93rem; }
.service-panel ul li { padding-left: 24px; position: relative; }
.service-panel ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.tag-row span {
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #c9d4f2;
  padding: 6px 13px;
  border-radius: 999px;
}

/* Processus */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  counter-reset: step;
}
.step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}
.step .n {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #eef4ff;
  color: var(--blue);
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { font-size: 0.92rem; color: var(--muted); margin: 0; }

/* ---------- Pages de détail (services) ---------- */
.split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: start;
}
.split + .split { margin-top: 0; }

.detail-list { display: grid; gap: 16px; margin: 10px 0 30px; }
.detail-list li {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 6px 14px;
  font-size: 0.95rem;
}
.detail-list li strong { color: var(--ink); font-weight: 700; grid-column: 1 / 2; }
.detail-list li span { color: var(--muted); grid-column: 2 / 3; }

.service-panel {
  background: var(--ink);
  color: #dbe4ff;
  border-radius: var(--radius-lg);
  padding: 42px 36px;
  position: sticky;
  top: calc(var(--header-h) + 24px);
}
.service-panel--ai {
  background:
    radial-gradient(500px 260px at 90% -20%, rgba(0, 89, 232, 0.4), transparent 65%),
    linear-gradient(150deg, #0d1530 0%, #101c44 60%, #16307a 140%);
}
.service-panel .panel-icon {
  width: 72px; height: 72px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.08);
  margin-bottom: 24px;
}
.service-panel .panel-icon img { width: 42px; height: 42px; object-fit: contain; }
.service-panel h3 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.service-panel ul { display: grid; gap: 12px; font-size: 0.93rem; }
.service-panel ul li { padding-left: 24px; position: relative; }
.service-panel ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.tag-row span {
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #c9d4f2;
  padding: 6px 13px;
  border-radius: 999px;
}

/* Processus */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  counter-reset: step;
}
.step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}
.step .n {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #eef4ff;
  color: var(--blue);
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { font-size: 0.92rem; color: var(--muted); margin: 0; }

/* ---------- Statistiques ---------- */
.stats-band { background: var(--surface); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}
.stat {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
}
.stat .num {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--blue);
  line-height: 1;
}
.stat .num sup { font-size: 1.4rem; color: var(--gold); }
.stat .label {
  margin-top: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Témoignages ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 24px;
}
.testimonial {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}
.testimonial .stars { display: flex; gap: 3px; }
.testimonial .stars svg { width: 17px; height: 17px; fill: var(--gold); }
.testimonial blockquote {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text);
  flex: 1;
}
.testimonial figcaption { display: flex; align-items: center; gap: 14px; }
.testimonial figcaption img {
  width: 52px; height: 52px;
  border-radius: 50%;
  object-fit: cover;
  filter: grayscale(0.15);
  border: 2px solid var(--line);
}
.testimonial .who { font-weight: 700; font-size: 0.95rem; color: var(--ink); }
.testimonial .role { font-size: 0.82rem; color: var(--muted); }

/* ---------- Appel à l'action ---------- */
.cta-band {
  background:
    linear-gradient(100deg, rgba(7, 10, 20, 0.95), rgba(7, 10, 20, 0.8)),
    url("hero.jpg") center / cover no-repeat;
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
}
.cta-band h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.cta-band p { color: #c3cde6; }
.cta-actions { display: grid; gap: 16px; justify-items: start; }
.cta-actions .contact-line {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #e8ecf7;
  font-weight: 500;
}
.cta-actions .contact-line svg { width: 20px; height: 20px; fill: var(--gold); flex: none; }
.cta-actions a.contact-line:hover { color: #fff; }

/* ---------- Formulaire de contact ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: start;
}

.contact-info { display: grid; gap: 18px; }
.contact-info .intro { color: var(--muted); }
.info-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.info-card .ico {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #eef4ff;
}
.info-card .ico svg { width: 22px; height: 22px; fill: var(--blue); }
.info-card h3 { font-size: 0.98rem; margin-bottom: 2px; }
.info-card p, .info-card a { font-size: 0.92rem; color: var(--muted); margin: 0; }
.info-card a { font-weight: 600; }

.form-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 38px 34px;
}
.form-panel h2 { font-size: 1.4rem; }
.form-panel .hint { font-size: 0.9rem; color: var(--muted); }

.form-grid { display: grid; gap: 18px; margin-top: 8px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.field { display: grid; gap: 7px; }
.field label { font-size: 0.88rem; font-weight: 600; color: var(--ink); }
.field label .req { color: var(--blue); }
.field input, .field select, .field textarea {
  font: inherit;
  color: var(--text);
  background: #fbfcfe;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
  width: 100%;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(0, 89, 232, 0.12);
}
.field input::placeholder, .field textarea::placeholder { color: #9aa3b8; }

.form-note {
  font-size: 0.84rem;
  color: var(--muted);
  background: var(--surface);
  border-left: 3px solid var(--gold);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 4px 0 2px;
}
.form-note a { font-weight: 600; }

/* ---------- Politique de confidentialité ---------- */
.prose { max-width: 780px; }
.prose h2 { font-size: 1.45rem; margin-top: 2.2em; }
.prose h2:first-of-type { margin-top: 0.4em; }
.prose p { color: #3a4358; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose .meta-note {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
  font-size: 0.95rem;
  color: var(--muted);
}

/* ---------- Pied de page ---------- */
.site-footer { background: var(--ink); color: #b9c2da; margin-top: 0; }
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding: 72px 0 48px;
}
.site-footer h3 {
  color: #fff;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.site-footer .brand { margin-bottom: 16px; }
.footer-about { font-size: 0.92rem; color: #8f9abf; max-width: 34ch; }

.footer-links { display: grid; gap: 10px; }
.footer-links a { color: #b9c2da; font-size: 0.94rem; }
.footer-links a:hover { color: #fff; }

.footer-contact li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.94rem;
  margin-bottom: 12px;
}
.footer-contact svg { width: 18px; height: 18px; fill: var(--gold); flex: none; margin-top: 4px; }
.footer-contact a { color: #b9c2da; }
.footer-contact a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #7d88ab;
}
.footer-bottom a { color: #7d88ab; }
.footer-bottom a:hover { color: #fff; }
.footer-legal { display: flex; gap: 20px; }

/* ---------- Animations (respecte reduced-motion) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .reveal.visible { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .ai-grid { grid-template-columns: 1fr; gap: 40px; }
  .cta-band { grid-template-columns: 1fr; padding: 48px 36px; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(10, 14, 26, 0.98);
    border-bottom: 1px solid var(--line-dark);
    padding: 10px 0 18px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s;
  }
  .main-nav.open { transform: none; opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 4px; padding: 8px 24px; }
  .main-nav a { display: block; padding: 12px 0; font-size: 1.05rem; }
  .header-actions .btn { display: none; }
  .section { padding: 68px 0; }
  .hero { min-height: 0; }
}

@media (max-width: 560px) {
  .detail-list li { grid-template-columns: 1fr; }
  .detail-list li strong, .detail-list li span { grid-column: auto; }
  .service-panel { position: static; padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 34px; padding-top: 56px; }
  .hero-cta .btn { width: 100%; }
  .cta-band { padding: 40px 26px; }
  .form-panel { padding: 30px 22px; }
}