/* ============================================
   SARH PRÉVENTION — Design tokens
   ============================================ */
:root {
  --blue: #0B3D91;
  --blue-deep: #082A66;
  --green: #2E8B57;
  --green-light: #E7F2EC;
  --ink: #0E1F2E;
  --paper: #FFFFFF;
  --paper-alt: #F4F6F5;
  --line: #DCE2E1;
  --line-strong: #B9C4C1;

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius: 4px;
  --container: 1140px;
}

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

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .5em;
  color: var(--blue-deep);
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }
a { color: var(--blue); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 12px;
}

.section-title { max-width: 640px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-solid { background: var(--blue); color: #fff; }
.btn-solid:hover { background: var(--blue-deep); }
.btn-outline { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-ghost { border-color: var(--line-strong); color: var(--blue-deep); }
.btn-ghost:hover { border-color: var(--blue); }
.btn-lg { padding: 14px 28px; font-size: 15.5px; }

/* ---------- Corner-bracket signature motif ---------- */
.frame-corners {
  position: relative;
}
.frame-corners::before,
.frame-corners::after,
.frame-corners > .c-tl,
.frame-corners > .c-br { content: ""; }

.frame-corners {
  --bracket: 16px;
}
.frame-corners::before {
  position: absolute;
  top: -1px; left: -1px;
  width: var(--bracket); height: var(--bracket);
  border-top: 2px solid var(--green);
  border-left: 2px solid var(--green);
}
.frame-corners::after {
  position: absolute;
  bottom: -1px; right: -1px;
  width: var(--bracket); height: var(--bracket);
  border-bottom: 2px solid var(--green);
  border-right: 2px solid var(--green);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--blue-deep);
}
.brand-mark { color: var(--blue); display: flex; }
.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand-text em { color: var(--green); font-style: normal; font-weight: 600; }

.brand-logo { height: 34px; width: auto; display: block; }

/* Header transparent flottant sur la vidéo (page d'accueil) */
.site-header.header-transparent {
  position: absolute;
  top: 0; left: 0; right: 0;
  background: transparent;
  border-bottom: 1px solid rgba(255,255,255,.18);
  backdrop-filter: none;
}
.site-header.header-transparent .main-nav a { color: #fff; }
.site-header.header-transparent .btn-ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.site-header.header-transparent .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.1); }
.site-header.header-transparent .burger { border-color: rgba(255,255,255,.5); }
.site-header.header-transparent .burger span { background: #fff; }

.main-nav a.active { color: var(--green); }
.main-nav a.active::after { width: 100%; }
.header-transparent .main-nav a.active { color: #B7E4C7; }

.main-nav { display: flex; gap: 30px; }
.main-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--green);
  transition: width .2s ease;
}
.main-nav a:hover::after { width: 100%; }

.header-cta { display: flex; gap: 10px; align-items: center; }

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
}
.burger span {
  width: 18px; height: 2px;
  background: var(--blue-deep);
  margin: 0 auto;
  transition: transform .2s ease, opacity .2s ease;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO VIDÉO (page d'accueil, plein écran, minimal)
   ============================================ */
.hero-video {
  position: relative;
  height: 100vh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--blue-deep);
}

.hero-video-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Fond de secours tant qu'il n'y a pas encore de vidéo : dégradé animé discret */
.hero-video-fallback {
  background: linear-gradient(120deg, var(--blue-deep), var(--blue), var(--green), var(--blue-deep));
  background-size: 300% 300%;
  animation: heroGradient 18s ease infinite;
}
@keyframes heroGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,32,66,.55) 0%, rgba(8,32,66,.45) 50%, rgba(8,32,66,.75) 100%);
}

.hero-video-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-logo { height: 64px; width: auto; margin-bottom: 28px; }

.hero-video-slogan {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 25px);
  font-weight: 500;
  line-height: 1.4;
  max-width: 640px;
  color: rgba(255,255,255,.92);
  margin: 0 0 34px;
}

.hero-video-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,.75);
  display: flex;
  animation: bounceHint 2.2s ease-in-out infinite;
}
@keyframes bounceHint {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ---- En-tête de page (pages internes) ---- */
.page-hero {
  padding: 56px 0 8px;
}
.page-hero h1 { font-size: clamp(26px, 3.4vw, 38px); max-width: 700px; }

.page-hero-video {
  position: relative;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--blue-deep);
}
.page-hero-video-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
}
.page-hero-video-content .eyebrow { color: #B7E4C7; }
.page-hero-video-content h1 { color: #fff; margin: 0; font-size: clamp(28px, 3.6vw, 40px); }

.page-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.page-cta-center { justify-content: flex-start; }

/* ---- Pages légales ---- */
.legal-content { max-width: 720px; }
.legal-content h2 { font-size: 19px; margin-top: 36px; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { font-size: 15px; color: #3B4A52; }
.to-fill {
  background: #FFF3D6;
  color: #8A5A00;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 13px;
  font-weight: 600;
}

/* ============================================
   SECTIONS
   ============================================ */
.section { padding: 84px 0; }
.section-alt { background: var(--paper-alt); }

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
  align-items: start;
}
.about-photo {
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.about-grid-full {
  grid-template-columns: 1fr;
  max-width: 780px;
  margin: 0 auto;
}
.about-copy h2 { font-size: 30px; margin-bottom: 4px; }
.about-copy .lead { font-weight: 600; color: var(--green); margin-bottom: 20px; }

.diploma-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.diploma-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}
.diploma-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  background: var(--green-light);
  color: var(--green);
  border-radius: 3px;
  padding: 3px 7px;
  flex-shrink: 0;
}

/* ---- Services ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 36px;
}
.service-card {
  background: var(--paper);
  padding: 30px 26px;
}
.service-icon {
  color: var(--blue);
  width: 40px; height: 40px;
  margin-bottom: 16px;
}
.service-card h3 {
  font-size: 17px;
  margin-bottom: 12px;
}
.service-card ul {
  margin: 0; padding-left: 18px;
  font-size: 14px;
  color: #3B4A52;
}
.service-card li { margin-bottom: 5px; }
.service-note { font-size: 14px; color: #3B4A52; margin: 0; }

.formations { margin-top: 60px; }
.formations-row { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  font-family: var(--font-mono);
  font-size: 12.5px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 16px;
  color: var(--blue-deep);
  background: #fff;
}

/* ---- Pourquoi / Valeurs ---- */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px 28px;
  margin-top: 30px;
}
.reason {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.check { color: var(--green); font-weight: 700; }

.values { margin-top: 60px; }
.values-row { display: flex; gap: 12px; flex-wrap: wrap; }
.values-row span {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--green);
  border: 1px solid var(--green-light);
  background: var(--green-light);
  border-radius: 3px;
  padding: 7px 14px;
}

/* ---- Réalisations ---- */
.empty-state {
  margin-top: 30px;
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  padding: 46px 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  color: var(--blue-deep);
  max-width: 620px;
}
.empty-state svg { color: var(--green); }
.empty-state p { margin: 0; color: #3B4A52; }

/* ---- Contact ---- */
.contact-section { background: var(--paper-alt); }
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
}
.contact-list { margin: 26px 0 0; }
.contact-list > div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.contact-list dt { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--green); margin: 0; }
.contact-list dd { margin: 0; font-weight: 500; text-align: right; }

.contact-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--blue-deep);
}
.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-weight: 400;
  color: var(--ink);
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--green);
  outline-offset: 1px;
  border-color: var(--green);
}
.form-note { font-size: 12.5px; color: #64726F; margin: 0; }

.consent-field {
  display: flex !important;
  flex-direction: row !important;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px !important;
  font-weight: 400 !important;
  color: #3B4A52;
}
.consent-field input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px; height: 16px;
  accent-color: var(--green);
}

/* Honeypot anti-spam : caché aux humains, visible aux robots */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  opacity: 0;
}

.form-alert {
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  margin: 18px 0 0;
}
.form-alert-ok { background: var(--green-light); color: var(--green); border: 1px solid var(--green); }
.form-alert-error { background: #FBEAEA; color: #B3261E; border: 1px solid #E3A8A4; }

.map-embed {
  margin-top: 48px;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  filter: grayscale(0.15);
}
.map-embed iframe { display: block; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--blue-deep);
  color: rgba(255,255,255,.75);
  padding: 44px 0;
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.footer-brand .brand-mark { color: #B7E4C7; }
.footer-brand .brand-text { color: #fff; }
.footer-brand .brand-text em { color: #B7E4C7; }
.footer-tagline { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .04em; margin: 0; }

.footer-socials { display: flex; gap: 14px; margin: 4px 0; }
.footer-socials a {
  color: rgba(255,255,255,.75);
  display: flex;
  transition: color .2s ease;
}
.footer-socials a:hover { color: #B7E4C7; }

.footer-legal { display: flex; gap: 10px; align-items: center; font-size: 12.5px; }
.footer-legal a { color: rgba(255,255,255,.75); text-decoration: none; }
.footer-legal a:hover { color: #fff; text-decoration: underline; }
.footer-legal span { color: rgba(255,255,255,.4); }
.footer-copy { font-size: 12.5px; margin: 0; color: rgba(255,255,255,.5); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 920px) {
  .main-nav, .header-cta { display: none; }
  .burger { display: flex; }
  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 16px 24px 20px;
    gap: 4px;
  }
  .site-header.nav-open .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .site-header.nav-open .header-cta {
    display: flex;
    position: absolute;
    top: calc(72px + 236px);
    left: 0; right: 0;
    background: #fff;
    padding: 0 24px 20px;
    gap: 10px;
    border-bottom: 1px solid var(--line);
  }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 380px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 280px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .reasons-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .services-grid { grid-template-columns: 1fr; }
  .reasons-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 50px; }
  .section { padding: 56px 0; }
  .contact-list > div { flex-direction: column; gap: 2px; }
  .contact-list dd { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
  .hero-video-fallback, .scroll-hint { animation: none !important; }
}