/* ==========================================================================
   Précisia Labs — Design system
   Palette : navy profond (identité logo) + bleu électrique + blanc
   Typo : Space Grotesk (display) / Inter (texte) / JetBrains Mono (technique)
   ========================================================================== */

:root {
  /* Couleurs */
  --navy-950: #051D4C;
  --navy-900: #0f1e36;
  --navy-800: #16294a;
  --blue-600: #1e56e8;
  --blue-500: #3b6ff2;
  --blue-400: #5f8bff;
  --blue-100: #eaf0fe;
  --blue-50: #f4f8ff;
  --warm-bg: #FCF6EF;
  --warm-bg-alt: #F6F0E9;
  --cream: #FFFBF9;
  --navy-marine: #0E1D62;
  --blue-logo: #0086FE;
  --slate-700: #33415c;
  --slate-500: #64748b;
  --slate-300: #c3cee0;
  --border: #dde5f5;
  --white: #ffffff;
  --ok: #1e8e5a;

  /* Typo */
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;

  /* Layout */
  --max-width: 1180px;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 1px 2px rgba(10, 22, 40, 0.04), 0 8px 24px -12px rgba(10, 22, 40, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--slate-700);
  background: var(--warm-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy-950);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
.hero-inner > div > h1:last-child { margin-bottom: 0; }

h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); font-weight: 600; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }
.card h2 { font-size: 1.2rem; }

p { margin: 0 0 1em; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }
:where(body:not(.admin-body)) a { color: var(--navy-marine); }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* Focus visibility (accessibilité) */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--blue-400);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* --------------------------------------------------------------------
   Eyebrow "chemin" façon invite de commande — signature du site
   -------------------------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--navy-marine);
  background: var(--warm-bg-alt);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
  letter-spacing: 0.01em;
}
.eyebrow::before { content: '~/'; opacity: 0.55; }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--navy-900);
  background: var(--warm-bg-alt);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}
.tag-row-navy .tag {
  color: var(--white);
  background: var(--navy-marine);
  border-color: var(--navy-marine);
}

/* --------------------------------------------------------------------
   Header / navigation
   -------------------------------------------------------------------- */
.site-header {
  background: var(--navy-950);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* Ligne 1 : identité (logo + slogan + CTA) — défile avec la page, pas sticky */
.header-top {
  background: var(--navy-950);
}
.header-top-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 8px 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img { height: 127px; width: 180px; }

.header-slogan {
  flex: 1;
  margin: 0;
  text-align: center;
  color: var(--slate-300);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.header-tagline-mobile {
  display: none;
  flex: 1;
  text-align: center;
  color: var(--slate-300);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
}

.header-cta-top {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  background: var(--white);
  color: var(--navy-marine) !important;
  border: 1px solid var(--navy-marine);
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  white-space: nowrap;
}
.header-cta-top:hover, .header-cta-top:focus-visible, .header-cta-top:active {
  background: var(--warm-bg-alt);
  border-color: var(--navy-marine);
  color: var(--navy-marine) !important;
}

/* Ligne 2 : barre de menu — seule cette ligne reste fixe au scroll */
.main-nav-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgb(5,29,76);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.main-nav-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.main-nav a {
  display: block;
  color: var(--warm-bg);
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 500;
  padding: 8px 12px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--blue-400); }
.main-nav a.active { color: #fff; font-weight: 600; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  cursor: pointer;
  margin: 10px 0;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.nav-toggle:hover, .nav-toggle:focus-visible {
  background: var(--blue-100);
  border-color: var(--blue-100);
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block;
  width: 32px;
  height: 3px;
  background: var(--white);
  position: relative;
  transition: 0.2s;
}
.nav-toggle:hover span, .nav-toggle:hover span::before, .nav-toggle:hover span::after,
.nav-toggle:focus-visible span, .nav-toggle:focus-visible span::before, .nav-toggle:focus-visible span::after {
  background: var(--navy-950);
}
.nav-toggle span::before, .nav-toggle span::after { content: ''; position: absolute; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }

@media (max-width: 880px) {
  .header-slogan { display: none; }
  .header-tagline-mobile { display: block; }
  .header-cta-top { display: none; }
  .header-top-inner { justify-content: space-between; }
  .main-nav-inner { justify-content: flex-start; }
  .nav-toggle { display: block; }
  .main-nav { display: none; width: 100%; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; padding: 6px 0; }
  .main-nav a { padding: 10px 12px; }
}

@media (max-width: 560px) {
  .brand img { height: 92px; width: 130px; }
  .header-cta-top { padding: 10px 14px; font-size: 0.78rem; }
}

/* --------------------------------------------------------------------
   Hero (avec grille "plan technique" en fond, signature visuelle)
   -------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--warm-bg-alt);
}
/* Le hero "plein" (accueil uniquement, sans .compact) est suivi d'une section
   bg-tint-100 de même teinte : on l'éclaircit pour garder une alternance de
   fond visible sans avoir besoin d'un trait de séparation. */
.hero:not(.compact) { background: var(--warm-bg); }
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, black 30%, transparent 75%);
  opacity: 0.7;
}
.hero-inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px 64px;
  display: grid;
  grid-template-columns: 1.1fr 0.8fr;
  gap: 40px;
  align-items: center;
}
.hero.compact .hero-inner { padding: 0 28px 24px; grid-template-columns: 1fr; }
.hero.compact.has-visual .hero-inner { grid-template-columns: 1.15fr 0.85fr; }
.hero.compact.hero-minimal .hero-inner { padding-bottom: 16px; }
.hero-visual-svg { max-width: 380px; margin-left: auto; min-width: 0; }
.hero-visual-svg img { width: 100%; height: auto; display: block; }

.hero-methode-overlay {
  position: absolute;
  right: 28px;
  bottom: 34px;
  width: 300px;
  z-index: 2;
  pointer-events: none;
}
.hero-methode-overlay img { width: 100%; height: auto; display: block; }
@media (max-width: 900px) {
  .hero-methode-overlay { display: none; }
}
@media (max-width: 900px) {
  .hero.compact.has-visual .hero-inner { grid-template-columns: 1fr; }
  .hero-visual-svg { margin: 24px auto 0; }
}
.hero-lede { font-size: 1.12rem; color: var(--slate-700); max-width: 46ch; }
.hero-lede-alt { font-size: 1.28rem; font-style: italic; color: var(--navy-marine); margin: 6px 0 10px; }
.hero-visual {
  border: 1px solid var(--border);
  background: var(--cream);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.hero-visual .visual-bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--warm-bg-alt);
}
.hero-visual .visual-bar span {
  width: 9px; height: 9px; border-radius: 50%; background: var(--slate-300);
}
.hero-visual pre {
  margin: 0;
  padding: 18px 20px 22px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--navy-900);
  overflow-x: auto;
  line-height: 1.7;
}
.hero-visual pre .c1 { color: var(--navy-marine); }
.hero-visual pre .c2 { color: var(--ok); }
.hero-visual pre .c3 { color: var(--slate-500); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.96rem;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--navy-marine);
  color: var(--white) !important;
  border-color: var(--navy-marine);
}
.btn-primary:hover, .btn-primary:focus-visible, .btn-primary:active {
  background: var(--white);
  color: var(--navy-marine) !important;
  border-color: var(--navy-marine);
}
.btn-ghost { background: var(--white); color: var(--navy-marine) !important; border-color: var(--navy-marine); }
.btn-ghost:hover, .btn-ghost:focus-visible, .btn-ghost:active { background: var(--warm-bg-alt); border-color: var(--navy-marine); color: var(--navy-marine) !important; }
.cookie-btn-refuse {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.35);
}
.cookie-btn-refuse:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.6);
}
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

/* --------------------------------------------------------------------
   Sections & blocs bleus (déclinaison de nuances par bloc)
   -------------------------------------------------------------------- */
section { padding: 68px 0; }
.section-head { max-width: 62ch; margin-bottom: 40px; }
.section-head p { color: var(--slate-500); font-size: 1.02rem; }

.page-illustration-wrap {
  padding: 32px 0 8px;
  text-align: center;
}
.page-illustration {
  max-width: 480px;
  width: 100%;
  height: auto;
}
.page-illustration-wrap.wide .page-illustration { max-width: 560px; }

.bio-photo {
  width: 100%;
  max-width: 220px;
  border-radius: 16px;
  border: none;
  box-shadow: 0 0 0 5px #ffffff, 0 0 0 7px var(--navy-marine), 0 10px 24px rgba(10, 22, 40, 0.15);
  object-fit: cover;
}

.bg-white { background: var(--white); }
.bg-tint-50 { background: var(--warm-bg-alt); }
.bg-tint-100 { background: var(--warm-bg-alt); }
.bg-navy { background: var(--navy-950); color: var(--slate-300); }
.bg-navy h2, .bg-navy h3 { color: var(--white); }
.bg-navy .eyebrow { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.12); color: var(--blue-400); }
.bg-navy .eyebrow::before { opacity: 0.4; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.stats-grid { margin-top: 4px; }
.chiffre-item { display: block; }
.stat-number {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2.7rem;
  color: var(--navy-marine);
  line-height: 1.15;
  margin-bottom: 8px;
}
.stat-label { color: var(--slate-700); font-size: 1.08rem; margin: 0; }
@media (max-width: 700px) {
  .stats-grid { grid-template-columns: 1fr; gap: 24px; }
}

.card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.card:hover {
  transform: translateY(-7px);
  box-shadow: 0 6px 18px rgba(10,22,40,0.1), 0 26px 52px -16px rgba(10,22,40,0.26);
  border-color: var(--navy-marine);
}
.card-tint {
  background: var(--warm-bg-alt);
  border-color: var(--warm-bg-alt);
}
.card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--warm-bg-alt);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  color: var(--navy-marine);
  transition: background 0.25s ease, color 0.25s ease;
}
.card:hover .card-icon {
  background: var(--navy-marine);
  color: var(--white);
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--slate-500); font-size: 0.95rem; margin-bottom: 0; }

.list-check { list-style: none; padding: 0; margin: 0; }
.list-check li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--slate-700);
}
.list-check li::before {
  content: '';
  position: absolute; left: 0; top: 7px;
  width: 14px; height: 14px;
  border-radius: 4px;
  background: var(--navy-marine);
  mask: none;
}
.list-check li::after {
  content: '✓';
  position: absolute; left: 2px; top: 3px;
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
}
.bg-navy .list-check li { color: var(--white); }

.stat-row { display: flex; gap: 36px; flex-wrap: wrap; margin-top: 8px; }
.stat { display: flex; align-items: baseline; gap: 8px; }
.stat b {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--navy-950);
  white-space: nowrap;
}
.bg-navy .stat b { color: var(--white); }
.stat span { font-size: 1rem; color: var(--slate-500); }
.bg-navy .stat span { color: var(--slate-300); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }

.cta-band {
  background: var(--navy-950);
  border-radius: var(--radius);
  padding: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--white);
}
.cta-band h2 { color: var(--white); margin-bottom: 6px; }
.cta-band p { color: var(--slate-300); margin: 0; }

/* --------------------------------------------------------------------
   Formulaire de contact
   -------------------------------------------------------------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--navy-900);
  margin-bottom: 6px;
}
.required-mark {
  color: #c23b2f;
}
.radio-row {
  display: flex;
  gap: 24px;
  margin-top: 4px;
}
.radio-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  font-size: 0.96rem;
  color: var(--slate-700);
  cursor: pointer;
}
.radio-inline input[type="radio"] {
  width: auto;
  accent-color: var(--navy-marine);
  cursor: pointer;
}
input, select, textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.96rem;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--blue-600);
}
:where(body:not(.admin-body)) input, :where(body:not(.admin-body)) select, :where(body:not(.admin-body)) textarea {
  color: var(--navy-marine);
}
textarea { resize: vertical; min-height: 140px; }
.field-note { font-size: 0.8rem; color: var(--slate-500); margin-top: 4px; }
.field-note-inline { font-size: 0.8rem; font-weight: 400; color: var(--slate-500); }

.sujet-select-wrap { position: relative; }
.sujet-panel {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  z-index: 50;
  max-height: 280px;
  overflow-y: auto;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 28px rgba(10, 22, 40, 0.14);
  margin-top: 4px;
}
.sujet-panel.ouvert-haut {
  top: auto;
  bottom: 100%;
  margin-top: 0;
  margin-bottom: 4px;
}
.sujet-panel.visible { display: block; }
.sujet-groupe-titre {
  padding: 8px 14px 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--slate-500);
}
.sujet-item {
  padding: 9px 14px;
  font-size: 0.92rem;
  color: var(--navy-950);
  cursor: pointer;
}
.sujet-item:hover, .sujet-item.surligne { background: var(--warm-bg-alt); }
.sujet-item-vide { padding: 14px; font-size: 0.9rem; color: var(--slate-500); text-align: center; }
.form-status {
  margin-bottom: 22px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
}
.form-status.ok { background: #e9f7ef; color: var(--ok); border: 1px solid #bfe6cf; }
.form-status.error { background: #fdeceb; color: #c23b2f; border: 1px solid #f3c3bd; }

/* --------------------------------------------------------------------
   Pages légales
   -------------------------------------------------------------------- */
.legal { max-width: 76ch; }
.legal h2 { margin-top: 2em; font-size: 1.25rem; }
.legal h2:first-child { margin-top: 0; }
.legal h3 { font-size: 1.02rem; }
.legal ul { padding-left: 22px; }
.legal table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: 0.92rem; }
.legal th, .legal td { text-align: left; padding: 8px 10px; border: 1px solid var(--border); }
.legal th { background: var(--warm-bg-alt); }

/* --------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------- */
.site-footer {
  background: var(--navy-950);
  color: var(--slate-300);
  padding: 52px 0 26px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 0;
}
.footer-grid h3 { color: var(--white); font-size: 0.9rem; margin-bottom: 14px; font-family: var(--font-body); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 9px; }
.footer-grid a { color: var(--slate-300); font-size: 0.9rem; }
.footer-grid a:hover { color: var(--blue-400); text-decoration: none; }
.footer-brand img { height: 88px; width: 125px; margin-bottom: 12px; }
.footer-brand p { font-size: 0.88rem; color: var(--slate-300); max-width: 34ch; }
.footer-bottom {
  padding-top: 2px;
  font-size: 0.82rem;
  color: var(--slate-300);
  font-family: var(--font-body);
}

/* --------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  section { padding: 48px 0; }
  .cta-band { padding: 30px; }
}

/* Bouton retour en haut de page */
#back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: var(--navy-950);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(10, 22, 40, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s ease;
  z-index: 150;
}
#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
#back-to-top:hover {
  background: var(--navy-800);
}
@media (max-width: 560px) {
  #back-to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }
}

/* --- Apparition des box au scroll (fondu + décalage vers le haut + léger scale) --- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(36px) scale(0.96);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0) scale(1);
}
@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}