/* ═══════════════════════════════════════════
   VARIABLES & RESET
═══════════════════════════════════════════ */
:root {
  --bg:       #F8F7F4;
  --white:    #FFFFFF;
  --navy:     #1A3550;
  --navy-dk:  #122438;
  --gold:     #C09A6B;
  --gold-dk:  #8B6C3A;
  --text:     #3A3A3A;
  --text-lt:  #6B6B6B;
  --border:   #E2DDD6;
  --radius:   10px;
  --shadow:   0 4px 24px rgba(26,53,80,.08);
  --transition: .25s ease;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }

/* ═══════════════════════════════════════════
   LAYOUT
═══════════════════════════════════════════ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

.section__header {
  text-align: center;
  margin-bottom: 64px;
}
.section__tag {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
}
.section__tag--light { color: var(--gold); }
.section__title--light { color: var(--white); }

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.btn--navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn--navy:hover { background: var(--navy-dk); border-color: var(--navy-dk); }

.btn--gold {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}
.btn--gold:hover { background: var(--gold-dk); border-color: var(--gold-dk); }

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn--outline:hover { background: var(--navy); color: var(--white); }

.btn--lg { padding: 15px 36px; font-size: 1rem; }
.btn--full { width: 100%; justify-content: center; }

/* ═══════════════════════════════════════════
   LOGO
═══════════════════════════════════════════ */
.logo { display: inline-block; }

.logo__block {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1;
}

.logo__axe {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--navy);
  display: block;
  white-space: nowrap;
}

.logo__line {
  display: block;
  width: 100%;
  height: 1.2px;
  background: var(--gold);
  margin-top: 2px;
  margin-bottom: 2px;
}

.logo__aptitudes {
  font-family: var(--font-serif);
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 9px;
  color: var(--gold);
  text-transform: uppercase;
  white-space: nowrap;
  display: block;
}

/* Logo small (footer) */
.logo__axe--sm     { font-size: 26px; letter-spacing: 3px; }
.logo__aptitudes--sm { font-size: 7px; letter-spacing: 7px; }

/* ═══════════════════════════════════════════
   HEADER
═══════════════════════════════════════════ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248,247,244,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 2px 16px rgba(26,53,80,.08); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text);
  transition: color var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav__link:hover { color: var(--navy); }
.nav__link:hover::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
  gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile__link {
  font-size: .95rem;
  font-weight: 500;
  color: var(--text);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.nav-mobile__link:hover { color: var(--navy); }
.nav-mobile__cta {
  margin-top: 12px;
  text-align: center;
  background: var(--navy);
  color: var(--white) !important;
  border-radius: 6px;
  padding: 12px;
  border-bottom: none;
}

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
.hero {
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(192,154,107,.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: center;
}

.hero__tag {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero__title--accent { color: var(--gold-dk); }
.hero__subtitle {
  font-size: 1.05rem;
  color: var(--text-lt);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 40px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero visual card */
.hero__card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--gold));
}
.hero__card-badge {
  display: inline-block;
  background: rgba(192,154,107,.12);
  color: var(--gold-dk);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero__card-code {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 8px;
}
.hero__card-label {
  font-size: .8rem;
  color: var(--text-lt);
  letter-spacing: .05em;
  margin-bottom: 32px;
}
.hero__card-modules {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
.hero__card-modules span {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.hero__card-modules span::before {
  content: '—';
  color: var(--gold);
}

.hero__scroll {
  display: flex;
  justify-content: center;
  margin-top: 56px;
}
.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: .4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.15); }
}

/* ═══════════════════════════════════════════
   À PROPOS
═══════════════════════════════════════════ */
.apropos { background: var(--white); }

.apropos__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.apropos__lead {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--navy);
  line-height: 1.65;
  margin-bottom: 20px;
}
.apropos__text p {
  color: var(--text-lt);
  margin-bottom: 16px;
  line-height: 1.75;
}

.apropos__values { display: flex; flex-direction: column; gap: 20px; }

.value-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.value-card:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.value-card__icon { font-size: 1.25rem; color: var(--gold); margin-bottom: 8px; }
.value-card__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.value-card__text { font-size: .875rem; color: var(--text-lt); line-height: 1.6; }

/* ═══════════════════════════════════════════
   FORMATION
═══════════════════════════════════════════ */
.formation { background: var(--bg); }

.formation__meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.meta-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
}
.meta-item__value {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 6px;
}
.meta-item__label {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-lt);
}

/* Accordion */
.accordion { display: flex; flex-direction: column; gap: 8px; margin-bottom: 48px; }

.accordion__item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.accordion__item.open { box-shadow: var(--shadow); }

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  color: var(--text);
  transition: background var(--transition);
}
.accordion__trigger:hover { background: var(--bg); }
.accordion__trigger[aria-expanded="true"] { background: var(--bg); }
.accordion__trigger:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }

.accordion__num {
  font-family: var(--font-serif);
  font-size: .8rem;
  font-weight: 600;
  color: var(--gold);
  min-width: 24px;
}
.accordion__title {
  flex: 1;
  font-size: .95rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.4;
}
.accordion__duration {
  font-size: .8rem;
  font-weight: 600;
  color: var(--gold-dk);
  background: rgba(192,154,107,.1);
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.accordion__icon {
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  position: relative;
}
.accordion__icon::before,
.accordion__icon::after {
  content: '';
  position: absolute;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.accordion__icon::before { width: 10px; height: 1.5px; }
.accordion__icon::after  { width: 1.5px; height: 10px; }

.accordion__trigger[aria-expanded="true"] .accordion__icon {
  background: var(--navy);
  border-color: var(--navy);
  transform: rotate(45deg);
}
.accordion__trigger[aria-expanded="true"] .accordion__icon::before,
.accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  background: var(--white);
}

/* Accordion body */
.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.accordion__content {
  padding: 0 24px 28px;
  border-top: 1px solid var(--border);
}

.module-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding-top: 20px;
  margin-bottom: 20px;
}
.module-block h4 {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold-dk);
  margin-bottom: 10px;
}
.module-block ul {
  padding-left: 16px;
}
.module-block li {
  font-size: .875rem;
  color: var(--text-lt);
  margin-bottom: 6px;
  line-height: 1.5;
}

.module-livrable {
  display: inline-block;
  background: rgba(26,53,80,.06);
  color: var(--navy);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 4px;
  border-left: 3px solid var(--navy);
}
.module-livrable::before { content: 'Livrable · '; color: var(--gold-dk); }

.formation__cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════
   CERTIFICATION
═══════════════════════════════════════════ */
.certification {
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.certification::before {
  content: '';
  position: absolute;
  top: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(192,154,107,.1) 0%, transparent 70%);
  pointer-events: none;
}

.cert__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cert-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: background var(--transition), transform var(--transition);
}
.cert-card:hover { background: rgba(255,255,255,.09); transform: translateY(-3px); }
.cert-card__icon { font-size: 2rem; margin-bottom: 16px; }
.cert-card__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}
.cert-card__text {
  font-size: .825rem;
  color: rgba(255,255,255,.65);
  line-height: 1.6;
  margin-bottom: 16px;
}
.cert-card__code {
  display: inline-block;
  border: 1px solid rgba(192,154,107,.4);
  color: var(--gold);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  padding: 4px 12px;
  border-radius: 20px;
}

/* ═══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
.contact { background: var(--white); }

.contact__grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 64px;
  align-items: start;
}

.contact__info-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.contact__info-address {
  font-size: .9rem;
  color: var(--text-lt);
  line-height: 1.7;
  margin-bottom: 24px;
}
.contact__info-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.contact__info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  color: var(--navy);
  font-weight: 500;
  transition: color var(--transition);
}
.contact__info-item:hover { color: var(--gold-dk); }
.contact__info-note {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: .875rem;
  color: var(--text-lt);
  line-height: 1.6;
}
.contact__info-note strong { color: var(--navy); }

/* Form */
.contact__form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--navy);
}
.form-label span { color: var(--gold); }

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: .9rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(26,53,80,.08);
  background: var(--white);
}
.form-input.error { border-color: #c0392b; }
.form-textarea { resize: vertical; min-height: 130px; }

.form-error { font-size: .78rem; color: #c0392b; min-height: 16px; }

.form-success {
  text-align: center;
  font-size: .9rem;
  font-weight: 600;
  color: #27ae60;
  min-height: 20px;
  transition: opacity var(--transition);
}

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.footer {
  background: var(--navy-dk);
  padding: 48px 0 0;
}
.footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 32px;
}

/* Colonne gauche */
.footer__left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Bloc Qualiopi */
.footer__qualiopi {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.qualiopi-logo {
  width: 150px;
  height: auto;
  display: block;
  background: var(--white);
  border-radius: 6px;
  padding: 8px 10px;
}
.footer__cert-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.footer__cert-line {
  font-size: .72rem;
  color: rgba(255,255,255,.45);
  line-height: 1.5;
}
.footer__cert-line span {
  color: rgba(255,255,255,.72);
  font-weight: 600;
}

/* Navigation droite */
.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 4px;
  align-items: flex-end;
}
.footer__nav a {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer__nav a:hover { color: var(--gold); }

/* Copyright */
.footer__copy {
  font-size: .72rem;
  color: rgba(255,255,255,.28);
  text-align: center;
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
}

/* Footer logo couleurs inversées */
.logo--small .logo__axe { color: var(--white); font-size: 26px; }
.logo--small .logo__line { background: var(--gold); }
.logo--small .logo__aptitudes { color: var(--gold); font-size: 7px; }

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 900px) {
  .nav { display: none; }
  .hamburger { display: flex; }

  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }

  .apropos__grid { grid-template-columns: 1fr; gap: 40px; }
  .formation__meta { grid-template-columns: repeat(2, 1fr); }
  .cert__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .formation__meta { grid-template-columns: repeat(2, 1fr); }
  .cert__grid { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .formation__cta { flex-direction: column; align-items: center; }
  .footer__inner { flex-direction: column; gap: 32px; }
  .footer__nav { align-items: flex-start; flex-direction: row; flex-wrap: wrap; gap: 16px; }
  .accordion__trigger { padding: 16px; gap: 10px; }
  .accordion__duration { display: none; }
}