/* =====================================================================
   Jérémy Louis — feuille de style
   Identité : bleu nuit, vermillon profond, glyphe carré + point.
   ===================================================================== */

:root {
  /* Couleurs */
  --navy: #15243F;
  --navy-deep: #0E1A30;
  --vermillon: #C03A24;
  --vermillon-soft: #D6543C;
  --paper: #F4F5F7;
  --surface: #FFFFFF;
  --ink: #1B2435;
  --muted: #5C6677;
  --line: rgba(21, 36, 63, 0.12);
  --line-strong: rgba(21, 36, 63, 0.22);
  --on-navy: #E9EDF4;
  --on-navy-muted: #A9B4C7;

  /* Typographie */
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Glyphe carré + point */
  --glyph-dark: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%3E%3Crect%20x='4'%20y='4'%20width='16'%20height='16'%20fill='none'%20stroke='%2315243F'%20stroke-width='2'/%3E%3Ccircle%20cx='12'%20cy='12'%20r='2.6'%20fill='%23C03A24'/%3E%3C/svg%3E");
  --glyph-light: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%3E%3Crect%20x='4'%20y='4'%20width='16'%20height='16'%20fill='none'%20stroke='%23E9EDF4'%20stroke-width='2'/%3E%3Ccircle%20cx='12'%20cy='12'%20r='2.6'%20fill='%23C03A24'/%3E%3C/svg%3E");

  --maxw: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.12; letter-spacing: -0.01em; margin: 0; }

a { color: inherit; }

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

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- Marqueurs et libellés ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 0.72rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--muted); margin: 0 0 18px;
}
.eyebrow::before {
  content: ""; width: 15px; height: 15px; flex: none;
  background: var(--glyph-dark) center / contain no-repeat;
}
.eyebrow--light { color: var(--on-navy-muted); }
.eyebrow--light::before { background-image: var(--glyph-light); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 0.95rem; font-weight: 500;
  padding: 13px 22px; border-radius: 2px; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn--primary { background: var(--vermillon); color: #fff; }
.btn--primary:hover { background: var(--vermillon-soft); }
.btn--ghost { background: transparent; color: var(--navy); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--navy); }
.btn--on-navy { background: transparent; color: var(--on-navy); border-color: rgba(233,237,244,0.32); }
.btn--on-navy:hover { border-color: var(--on-navy); }

/* ---------- En-tête ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244,245,247,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-glyph { width: 22px; height: 22px; background: var(--glyph-dark) center / contain no-repeat; flex: none; }
.brand-name { font-family: var(--serif); font-size: 1.12rem; font-weight: 600; color: var(--navy); letter-spacing: -0.01em; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  text-decoration: none; color: var(--ink); font-size: 0.92rem;
  padding: 8px 12px; border-radius: 2px; position: relative;
  transition: color .15s ease;
}
.nav a:hover { color: var(--vermillon); }
.nav a.is-active { color: var(--navy); }
.nav a.is-active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px;
  height: 2px; background: var(--vermillon);
}
.nav-lang { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em; margin-left: 8px; }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--line-strong);
  border-radius: 2px; width: 42px; height: 38px; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 18px; height: 2px; background: var(--navy);
  position: relative; transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* ---------- Sections ---------- */
.section { padding: 92px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
.section-head p { color: var(--muted); font-size: 1.06rem; margin: 16px 0 0; }

/* ---------- Hero ---------- */
.hero { padding: 104px 0 96px; }
.hero-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: start; }
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.9rem); }
.hero h1 .accent { color: var(--vermillon); font-style: italic; }
.hero-lead { color: var(--muted); font-size: 1.12rem; max-width: 36ch; margin: 26px 0 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.id-card {
  background: var(--navy); color: var(--on-navy);
  padding: 34px 30px; border-radius: 3px;
  position: relative; overflow: hidden;
}
.id-card::after {
  content: ""; position: absolute; right: -28px; bottom: -28px;
  width: 120px; height: 120px; opacity: 0.10;
  background: var(--glyph-light) center / contain no-repeat;
}
.id-card .role { font-family: var(--serif); font-size: 1.3rem; line-height: 1.25; }
.id-card .lab { color: var(--on-navy-muted); margin-top: 6px; font-size: 0.95rem; }
.id-divider { height: 1px; background: rgba(233,237,244,0.18); margin: 24px 0; }
.id-card .domains-label { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--on-navy-muted); }
.id-card ul { list-style: none; margin: 12px 0 0; padding: 0; }
.id-card ul li { padding-left: 22px; position: relative; margin-bottom: 8px; font-size: 0.98rem; }
.id-card ul li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 11px; height: 11px;
  background: var(--glyph-light) center / contain no-repeat;
}

/* ---------- À propos ---------- */
.about-grid { display: grid; grid-template-columns: 280px 1fr; gap: 52px; align-items: start; }
.portrait { width: 280px; }
.portrait img { width: 280px; height: 340px; object-fit: cover; border-radius: 3px; }
.portrait-fallback {
  width: 280px; height: 340px; border-radius: 3px; background: var(--navy);
  display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden;
}
.portrait-fallback .mono {
  font-family: var(--serif); font-size: 4.4rem; color: var(--on-navy); letter-spacing: 0.02em;
}
.portrait-fallback::after {
  content: ""; position: absolute; right: 18px; bottom: 18px; width: 30px; height: 30px;
  background: var(--glyph-light) center / contain no-repeat;
}
.about-body p { margin: 0 0 18px; }
.about-body p:last-of-type { margin-bottom: 0; }
.about-link { color: var(--vermillon); text-decoration: none; border-bottom: 1px solid rgba(192,58,36,0.4); }
.about-link:hover { border-color: var(--vermillon); }

.skills { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 9px; }
.skills .chip {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em;
  color: var(--navy); background: var(--surface);
  border: 1px solid var(--line-strong); padding: 6px 11px; border-radius: 2px;
}

/* ---------- Domaines ---------- */
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.pillar {
  background: var(--surface); border: 1px solid var(--line);
  padding: 34px 32px; border-radius: 3px;
}
.pillar h3 { font-size: 1.42rem; margin-bottom: 14px; }
.pillar p { color: var(--muted); margin: 0 0 22px; }
.pillar ul { list-style: none; margin: 0; padding: 0; }
.pillar ul li { padding-left: 22px; position: relative; margin-bottom: 9px; font-size: 0.96rem; }
.pillar ul li::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 12px; height: 12px;
  background: var(--glyph-dark) center / contain no-repeat;
}

/* ---------- Conseil ---------- */
.offer-group { margin-bottom: 40px; }
.offer-group:last-child { margin-bottom: 0; }
.offer-group > .group-label {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--vermillon); margin-bottom: 18px;
}
.offer-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 3px; overflow: hidden; }
.offer {
  background: var(--surface); padding: 26px 30px;
  display: grid; grid-template-columns: 270px 1fr; gap: 28px; align-items: baseline;
}
.offer h3 { font-size: 1.16rem; }
.offer p { color: var(--muted); margin: 0; font-size: 0.98rem; }
.offer--feature { background: var(--navy); color: var(--on-navy); }
.offer--feature h3 { color: #fff; }
.offer--feature p { color: var(--on-navy-muted); }
.offer--feature .tag {
  display: inline-block; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--vermillon-soft); margin-top: 10px;
}

/* ---------- Formations ---------- */
.courses { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.course { background: var(--surface); border: 1px solid var(--line); border-radius: 3px; padding: 30px 30px; }
.course h3 { font-size: 1.18rem; margin-bottom: 12px; }
.course p { color: var(--muted); margin: 0; font-size: 0.97rem; }
.courses-note {
  margin-top: 26px; font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.03em;
  color: var(--muted);
}

/* ---------- Tarifs ---------- */
.tarifs-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); border-radius: 3px; overflow: hidden; }
.tarifs-table thead th {
  background: var(--navy); color: var(--on-navy); text-align: left;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 500; padding: 15px 24px;
}
.tarifs-table tbody td { padding: 17px 24px; border-top: 1px solid var(--line); vertical-align: top; }
.tarifs-table tbody tr:first-child td { border-top: none; }
.tarifs-table .col-presta { font-weight: 500; color: var(--navy); }
.tarifs-table .col-format { color: var(--muted); font-size: 0.92rem; }
.tarifs-table .col-tarif { font-family: var(--mono); white-space: nowrap; color: var(--ink); }
.tarifs-note { margin-top: 20px; color: var(--muted); font-size: 0.92rem; max-width: 760px; }

/* ---------- Publications ---------- */
.pub-meta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 30px; }
.pub-meta .apa-tag { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--muted); }
.pub-list { list-style: none; margin: 0; padding: 0; }
.pub-list li { padding: 18px 0; border-top: 1px solid var(--line); }
.pub-list li:first-child { border-top: none; }
.pub-entry { font-size: 0.99rem; line-height: 1.55; }
.pub-entry .pub-year { font-family: var(--mono); font-size: 0.8rem; color: var(--vermillon); margin-right: 10px; }
.pub-entry .pub-title { color: var(--navy); text-decoration: none; border-bottom: 1px solid var(--line-strong); }
.pub-entry .pub-title:hover { border-color: var(--vermillon); }
.pub-entry .pub-venue { font-style: italic; color: var(--muted); }
.pub-entry .pub-type { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-left: 8px; }
.pub-state { color: var(--muted); padding: 8px 0; }
.pub-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: start; }
.contact-direct .channel {
  display: flex; align-items: baseline; gap: 14px; padding: 16px 0; border-top: 1px solid var(--line);
  text-decoration: none;
}
.contact-direct .channel:first-of-type { border-top: none; }
.contact-direct .channel .label { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); width: 92px; flex: none; }
.contact-direct .channel .value { color: var(--navy); border-bottom: 1px solid transparent; transition: border-color .15s ease; word-break: break-word; }
.contact-direct .channel:hover .value { border-color: var(--vermillon); }

.contact-form { background: var(--surface); border: 1px solid var(--line); border-radius: 3px; padding: 32px 30px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; font-family: var(--sans); font-size: 1rem; color: var(--ink);
  padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: 2px; background: #fff;
  transition: border-color .15s ease;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--navy); }
.field textarea { resize: vertical; min-height: 120px; }
.form-help { font-size: 0.85rem; color: var(--muted); margin: 4px 0 18px; }

/* ---------- English ---------- */
.en-section { background: var(--navy); color: var(--on-navy); }
.en-section .container { padding-top: 72px; padding-bottom: 72px; }
.en-section h2 { color: #fff; font-size: 1.6rem; margin-bottom: 18px; }
.en-section p { color: var(--on-navy-muted); max-width: 60ch; margin: 0 0 14px; }
.en-section a.en-link { color: var(--on-navy); border-bottom: 1px solid var(--vermillon); text-decoration: none; }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--navy-deep); color: var(--on-navy-muted); padding: 40px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-brand { display: inline-flex; align-items: center; gap: 11px; color: var(--on-navy); }
.footer-brand .brand-glyph { background-image: var(--glyph-light); }
.footer-brand .brand-name { color: var(--on-navy); }
.footer-meta { font-size: 0.85rem; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: var(--on-navy-muted); text-decoration: none; font-size: 0.9rem; }
.footer-links a:hover { color: var(--on-navy); }

/* ---------- Révélation au défilement ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* Accessibilité focus */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--vermillon); outline-offset: 2px;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  body { font-size: 16px; }
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .portrait, .portrait img, .portrait-fallback { width: 200px; }
  .portrait img, .portrait-fallback { height: 244px; }
  .pillars, .courses, .contact-grid { grid-template-columns: 1fr; }
  .offer { grid-template-columns: 1fr; gap: 8px; }

  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px; display: none;
  }
  .site-header.nav-open .nav { display: flex; }
  .nav a { padding: 12px 6px; border-bottom: 1px solid var(--line); }
  .nav a.is-active::after { display: none; }
  .nav-lang { margin-left: 0; }
  .tarifs-table thead { display: none; }
  .tarifs-table, .tarifs-table tbody, .tarifs-table tr, .tarifs-table td { display: block; width: 100%; }
  .tarifs-table tbody td { border-top: none; padding: 4px 18px; }
  .tarifs-table tbody tr { border-top: 1px solid var(--line); padding: 14px 0; }
  .tarifs-table tbody tr:first-child { border-top: none; }
  .tarifs-table .col-tarif { color: var(--vermillon); font-weight: 500; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}