/* ==========================================================================
   InnoMedTech — Stylesheet
   Palette : Bleu #011A49 · Turquoise #1DB5AE · Blanc #FFFFFF · Gris clair #F6F8FB · Texte #24364A
   Structure calquée sur LDMTConsult.ch (rendu JS pur, i18n FR/EN, reveal-on-scroll)
   ========================================================================== */

:root {
  --color-primary: #011A49;
  --color-primary-light: #17458f;
  --color-accent: #1DB5AE;
  --color-accent-light: #3fcdc6;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F6F8FB;
  --color-text: #24364A;
  --color-text-secondary: #5A6C82;
  --color-border: #E2E8F0;
  --font-serif: 'Source Serif 4', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1140px;
  --header-height: 76px;
  --radius: 6px;
  --transition: 0.25s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

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

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--color-primary);
}

h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 500; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
p { margin: 0 0 1em; color: var(--color-text-secondary); }
a { color: var(--color-primary); }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--color-primary); color: #fff;
  padding: 12px 20px; z-index: 1000;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.section-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--color-accent);
  margin-bottom: 0.75em;
}

.section-intro { max-width: 640px; font-size: 1.05rem; }
#annuaireJoin { display: inline-flex; margin-top: 20px; }

/* ---------- Header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled { border-bottom-color: var(--color-border); box-shadow: 0 2px 16px rgba(14, 47, 102, 0.06); }

.header-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; height: var(--header-height);
}

.logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.logo-mark { display: block; height: 72px; width: auto; max-width: 220px; }

.nav-desktop ul { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; }
.nav-desktop a {
  text-decoration: none; color: var(--color-text); font-size: 0.95rem; font-weight: 500;
  position: relative; padding-bottom: 4px;
}
.nav-desktop a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--color-accent); transform: scaleX(0); transition: transform var(--transition);
}
.nav-desktop a:hover::after, .nav-desktop a:focus-visible::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 18px; }

.lang-switch { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--color-text-secondary); }
.lang-btn { background: none; border: none; cursor: pointer; font: inherit; font-weight: 600; color: var(--color-text-secondary); padding: 4px 2px; }
.lang-btn[aria-pressed="true"] { color: var(--color-primary); }
.lang-btn:hover { color: var(--color-accent); }

.menu-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 32px; height: 32px; background: none; border: none; cursor: pointer; padding: 0; }
.menu-toggle span { display: block; height: 2px; background: var(--color-primary); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile { display: none; max-height: 0; overflow: hidden; transition: max-height var(--transition); border-top: 1px solid var(--color-border); background: var(--color-bg); }
.nav-mobile.open { max-height: 480px; }
.nav-mobile ul { list-style: none; margin: 0; padding: 12px 24px 20px; display: flex; flex-direction: column; gap: 4px; }
.nav-mobile a { display: block; padding: 12px 0; text-decoration: none; color: var(--color-text); font-weight: 500; border-bottom: 1px solid var(--color-border); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 26px; border-radius: var(--radius); font-weight: 600; font-size: 0.95rem;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-light); }
.btn-ghost { background: transparent; color: var(--color-primary); border-color: var(--color-border); }
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-small { padding: 9px 18px; font-size: 0.85rem; }

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

.hero { padding: 96px 0 48px; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.hero-subtitle { font-size: 1.15rem; max-width: 46ch; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-visual { display: flex; justify-content: center; }
.hero-logo { width: 100%; max-width: 420px; }

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

.section { padding: 88px 0; }
.section-alt { background: var(--color-bg-alt); }
#dna { padding-top: 56px; }

.grid { display: grid; gap: 28px; margin-top: 40px; }
.grid-3 { display: flex; flex-wrap: wrap; justify-content: center; grid-template-columns: unset; }
.grid-3 > .card { flex: 1 1 300px; max-width: 340px; }

.card {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 28px; transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover { border-color: var(--color-accent-light); box-shadow: 0 8px 24px rgba(14, 47, 102, 0.08); }
.card h3 { font-family: var(--font-sans); font-size: 1.05rem; font-weight: 600; color: var(--color-primary); margin-bottom: 10px; }
.card .card-label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); margin-bottom: 8px; }
.card a.card-link { font-size: 0.88rem; font-weight: 600; text-decoration: none; color: var(--color-primary); }
.card a.card-link:hover { color: var(--color-accent); }

/* ---------- About ---------- */

.about-paragraphs p { font-size: 1.02rem; max-width: 760px; }

/* ---------- Events ---------- */

.events-list { display: grid; gap: 20px; margin-top: 36px; }
.event-item {
  display: grid; grid-template-columns: 120px 1fr; gap: 24px;
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 24px; align-items: start;
}
.event-date { text-align: center; }
.event-date .day { display: block; font-family: var(--font-serif); font-size: 2rem; color: var(--color-accent); line-height: 1; }
.event-date .month { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-secondary); margin-top: 4px; }
.event-item h3 { font-family: var(--font-sans); font-size: 1.05rem; margin-bottom: 6px; }
.event-meta { font-size: 0.88rem; color: var(--color-accent); font-weight: 600; margin-bottom: 8px; }
.event-empty { padding: 32px; text-align: center; border: 1px dashed var(--color-border); border-radius: var(--radius); color: var(--color-text-secondary); }
.event-link { display: inline-block; font-size: 0.88rem; font-weight: 600; text-decoration: none; color: var(--color-primary); margin-top: 4px; }
.event-link:hover { color: var(--color-accent); }

/* ---------- Annuaire ---------- */

.annuaire-filters {
  display: flex; flex-wrap: wrap; align-items: end; gap: 20px;
  margin-top: 32px; padding: 20px; background: var(--color-bg-alt);
  border: 1px solid var(--color-border); border-radius: var(--radius);
}
.filter-field { display: flex; flex-direction: column; gap: 6px; min-width: 180px; }
.filter-field label { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-primary); }
.filter-field select, .filter-field input {
  padding: 10px 12px; border: 1px solid var(--color-border); border-radius: var(--radius);
  font: inherit; color: var(--color-text); background: #fff; transition: border-color var(--transition);
}
.filter-field select:focus, .filter-field input:focus { border-color: var(--color-accent); outline: none; }
.filter-field input[type="number"] { width: 140px; }
.filter-reset { align-self: end; }

.annuaire-table { display: flex; flex-direction: column; margin-top: 24px; }
.annuaire-row {
  display: grid;
  grid-template-columns: 56px 1.6fr 1.5fr 2fr 0.9fr;
  align-items: center; gap: 18px;
  padding: 16px 12px;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  background: none; border-left: none; border-right: none; border-top: none;
  text-align: left; font: inherit; color: inherit; width: 100%;
  transition: background var(--transition);
}
.annuaire-row:hover, .annuaire-row:focus-visible { background: var(--color-bg-alt); }
.annuaire-row:last-child { border-bottom: none; }
.annuaire-photo { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.annuaire-name { font-weight: 600; color: var(--color-primary); font-family: var(--font-sans); }
.annuaire-domain, .annuaire-expertise { font-size: 0.88rem; color: var(--color-text-secondary); }
.annuaire-years { font-size: 0.88rem; color: var(--color-accent); font-weight: 600; white-space: nowrap; }

/* ---------- Opportunities ---------- */

.opp-source { font-size: 0.82rem; color: var(--color-text-secondary); margin-top: 10px; }

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

.cta-section { background: var(--color-primary); padding: 76px 0; }
.cta-inner { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { color: #fff; }
.cta-inner p { color: rgba(255,255,255,0.75); font-size: 1.1rem; margin-bottom: 28px; }
.cta-inner .btn-primary { background: var(--color-accent); }
.cta-inner .btn-primary:hover { background: var(--color-accent-light); }

/* ---------- Contact ---------- */

.contact-inner { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; }
.contact-details { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 14px; }
.contact-details li { padding-bottom: 12px; border-bottom: 1px solid var(--color-border); font-size: 0.97rem; }
.contact-label { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-accent); margin-bottom: 3px; }
.contact-details a { text-decoration: none; }
.contact-details a:hover { color: var(--color-accent); }

.contact-form { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 32px; }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--color-primary); }
.form-row input, .form-row textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--color-border); border-radius: var(--radius);
  font: inherit; color: var(--color-text); background: #fff; transition: border-color var(--transition);
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--color-accent); outline: none; }
.form-confirmation { margin: 16px 0 0; padding: 12px 14px; background: rgba(29, 181, 174, 0.12); border-radius: var(--radius); color: var(--color-primary); font-size: 0.9rem; }
.form-confirmation.form-error { background: rgba(178, 58, 58, 0.12); color: #8a2626; }
#formSubmit:disabled { opacity: 0.6; cursor: wait; }

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

.site-footer { background: var(--color-primary); color: rgba(255,255,255,0.7); padding: 48px 0; font-size: 0.85rem; }
.footer-inner { text-align: center; }
.footer-brand { display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.footer-logo { display: block; height: 110px; width: auto; max-width: 500px; }
.footer-meta { margin-bottom: 8px; }
.footer-legal a { color: rgba(255,255,255,0.6); text-decoration: none; margin: 0; }
.footer-legal a:hover { color: #fff; }

/* ---------- Lightbox (Annuaire) ---------- */

.lightbox { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 24px; }
.lightbox[hidden] { display: none; }
.lightbox-backdrop { position: absolute; inset: 0; background: rgba(14, 47, 102, 0.55); backdrop-filter: blur(2px); }
.lightbox-panel {
  position: relative; background: #fff; border-radius: var(--radius);
  max-width: 480px; width: 100%; max-height: 86vh; overflow-y: auto;
  padding: 40px 32px 32px; text-align: center;
  box-shadow: 0 24px 60px rgba(14, 47, 102, 0.3);
}
.lightbox-close {
  position: absolute; top: 12px; right: 14px; background: none; border: none;
  font-size: 1.6rem; line-height: 1; cursor: pointer; color: var(--color-text-secondary);
  width: 36px; height: 36px;
}
.lightbox-close:hover { color: var(--color-primary); }
.lightbox-photo { width: 104px; height: 104px; border-radius: 50%; object-fit: cover; margin-bottom: 16px; }
.lightbox-panel h3 { margin-bottom: 4px; }
.lightbox-role { font-size: 0.9rem; margin-bottom: 4px; }
.lightbox-meta { font-size: 0.85rem; color: var(--color-accent); font-weight: 600; margin-bottom: 18px; }
.lightbox-bio { text-align: left; border-top: 1px solid var(--color-border); padding-top: 16px; margin-bottom: 16px; }
.lightbox-bio p { font-size: 0.95rem; }
.lightbox-links { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.lightbox-links a { font-size: 0.88rem; font-weight: 600; text-decoration: none; }
.lightbox-links a:hover { color: var(--color-accent); }

/* ---------- Reveal animation ---------- */

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .hero-logo { max-width: 220px; }
  .contact-inner { grid-template-columns: 1fr; }
  .annuaire-row { grid-template-columns: 44px 1fr 1fr; grid-template-areas: "photo name name" "domain domain expertise" "years years years"; row-gap: 6px; }
  .annuaire-photo { grid-area: photo; }
  .annuaire-name { grid-area: name; }
  .annuaire-domain { grid-area: domain; }
  .annuaire-expertise { grid-area: expertise; }
  .annuaire-years { grid-area: years; }
}

@media (max-width: 720px) {
  .nav-desktop { display: none; }
  .menu-toggle { display: flex; }
  .nav-mobile { display: block; }
  .header-inner { padding: 14px 20px; }
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 32px; }
  h1 { font-size: 2rem; }
  .event-item { grid-template-columns: 1fr; }
  .event-date { text-align: left; display: flex; align-items: baseline; gap: 8px; }
  .annuaire-filters { flex-direction: column; align-items: stretch; }
  .filter-field { min-width: 0; }
  .filter-reset { align-self: stretch; }
}

@media (max-width: 480px) {
  .card { flex-basis: 100%; max-width: 100%; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .header-actions { gap: 12px; }
}