/* ========================================
   TRAINING DAYS — Design System
   Blue Education Theme · Shadcn Style
   Fonts: Outfit (headings) + Inter (body)
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

/* ---- Custom Properties ---- */
:root {
  --blue-50:  #EFF6FF;
  --blue-100: #DBEAFE;
  --blue-200: #BFDBFE;
  --blue-300: #93C5FD;
  --blue-400: #60A5FA;
  --blue-500: #3B82F6;
  --blue-600: #2563EB;
  --blue-700: #1D4ED8;
  --blue-800: #1E40AF;
  --blue-900: #1E3A8A;

  --slate-50:  #F8FAFC;
  --slate-100: #F1F5F9;
  --slate-200: #E2E8F0;
  --slate-300: #CBD5E1;
  --slate-400: #94A3B8;
  --slate-500: #64748B;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1E293B;
  --slate-900: #0F172A;

  --primary:        #2563EB;
  --primary-dark:   #1D4ED8;
  --primary-darker: #1E40AF;
  --primary-light:  #EFF6FF;
  --primary-border: #BFDBFE;

  --background: #FFFFFF;
  --foreground: #0F172A;
  --muted:      #F8FAFC;
  --muted-fg:   #64748B;
  --border:     #E2E8F0;
  --card:       #FFFFFF;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);
  --shadow:    0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);

  --radius-sm: .375rem;
  --radius:    .5rem;
  --radius-lg: .75rem;
  --radius-xl: 1rem;

  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-body:    'Inter',  system-ui, sans-serif;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
img { display: block; max-width: 100%; }
a  { color: inherit; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--foreground);
}

/* ---- Layout ---- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.main { flex: 1; }

/* ========================================
   HEADER
   ======================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.75rem;
  position: relative;
}
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-img {
  height: 1.75rem;
  width: auto;
}
.logo-img-white {
  filter: brightness(0) invert(1);
}
.logo-mark {
  width: 2rem; height: 2rem;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: -.02em;
}
.nav {
  display: flex;
  align-items: center;
  gap: .125rem;
}
.nav-link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--muted-fg);
  text-decoration: none;
  padding: .4375rem .75rem;
  border-radius: var(--radius-sm);
  transition: color .15s, background .15s;
  white-space: nowrap;
}
.nav-link:hover   { color: var(--foreground); background: var(--muted); }
.nav-link.active  { color: var(--primary); background: var(--primary-light); }
.nav-btn {
  display: inline-flex;
  align-items: center;
  background: var(--primary);
  color: white;
  padding: .4375rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background .15s;
  margin-left: .375rem;
  white-space: nowrap;
}
.nav-btn:hover { background: var(--primary-dark); color: white; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.25rem;
  height: 2.25rem;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: .375rem;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--foreground);
  border-radius: 2px;
  transition: all .25s;
}

/* ========================================
   PAGE HERO
   ======================================== */
.page-hero {
  background: linear-gradient(135deg, var(--blue-50) 0%, #F0F7FF 50%, white 100%);
  border-bottom: 1px solid var(--blue-100);
  padding: 2.75rem 0 2.5rem;
}
.page-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  background: white;
  color: var(--primary);
  border: 1px solid var(--primary-border);
  padding: .25rem .75rem;
  border-radius: 9999px;
  font-size: .8125rem;
  font-weight: 500;
  margin-bottom: 1rem;
  font-family: var(--font-body);
  box-shadow: var(--shadow-sm);
}
.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.375rem);
  font-weight: 700;
  margin-bottom: .75rem;
  max-width: 700px;
}
.page-hero p {
  font-size: 1.0625rem;
  color: var(--muted-fg);
  max-width: 580px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-top: 1.75rem;
}

/* ========================================
   CARDS
   ======================================== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
}
.card-hover {
  transition: box-shadow .2s, border-color .2s, transform .2s;
  cursor: pointer;
}
.card-hover:hover {
  box-shadow: 0 0 0 1px var(--blue-200), var(--shadow-md);
  border-color: var(--primary-border);
  transform: translateY(-2px);
}

/* ========================================
   BADGES
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .1875rem .625rem;
  border-radius: 9999px;
  font-size: .75rem;
  font-weight: 500;
  font-family: var(--font-body);
  line-height: 1.4;
}
.badge-blue  { background: var(--blue-50);  color: var(--blue-700); border: 1px solid var(--blue-200); }
.badge-slate { background: var(--slate-100); color: var(--slate-600); border: 1px solid var(--slate-200); }
.badge-green { background: #F0FDF4; color: #166534; border: 1px solid #BBF7D0; }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5625rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .9375rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s;
  line-height: 1;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: white; }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary-border); }
.btn-outline:hover { background: var(--primary-light); border-color: var(--blue-300); color: var(--primary); }
.btn-ghost  { background: transparent; color: var(--muted-fg); border-color: transparent; }
.btn-ghost:hover  { background: var(--muted); color: var(--foreground); }
.btn-sm { font-size: .8125rem; padding: .375rem .875rem; }
.btn-lg { font-size: 1rem; padding: .75rem 1.75rem; }
.btn-full { width: 100%; justify-content: center; }

/* ========================================
   SECTIONS
   ======================================== */
.section    { padding: 3rem 0; }
.section-sm { padding: 2rem 0; }
.section-lg { padding: 4rem 0; }
.section-header   { margin-bottom: 2rem; }
.section-title    { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; margin-bottom: .5rem; }
.section-subtitle { font-size: 1rem; color: var(--muted-fg); line-height: 1.6; }

/* ========================================
   FORMATION CARDS (index)
   ======================================== */
.formations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 1.5rem;
}
.formation-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.formation-card-tags { display: flex; gap: .5rem; flex-wrap: wrap; }
.formation-card-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.45;
}
.formation-card-desc { font-size: .9375rem; color: var(--muted-fg); line-height: 1.65; }
.formation-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .625rem;
}
.meta-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .875rem;
  color: var(--muted-fg);
}
.meta-icon {
  width: 1.5rem; height: 1.5rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .875rem;
  flex-shrink: 0;
}
.formation-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.formation-price {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}
.formation-price small {
  font-size: .875rem;
  font-weight: 400;
  color: var(--muted-fg);
  font-family: var(--font-body);
}

/* ========================================
   DETAIL PAGE LAYOUT
   ======================================== */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 2.5rem;
  align-items: start;
}
.detail-sidebar {
  position: sticky;
  top: 4.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.sidebar-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.sidebar-price {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: .125rem;
}
.sidebar-price-note { font-size: .8125rem; color: var(--muted-fg); margin-bottom: 1.25rem; }
.sidebar-meta {
  display: flex;
  flex-direction: column;
  gap: .875rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}
.sidebar-row {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
}
.sidebar-row-icon {
  width: 1.75rem; height: 1.75rem;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: .875rem;
  flex-shrink: 0;
}
.sidebar-row-label {
  font-size: .6875rem;
  font-weight: 600;
  color: var(--muted-fg);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .125rem;
}
.sidebar-row-value { font-size: .9375rem; color: var(--foreground); font-weight: 500; line-height: 1.4; }
.sidebar-cta { display: flex; flex-direction: column; gap: .625rem; }

/* ========================================
   CONTENT SECTIONS (detail pages)
   ======================================== */
.content-block { margin-bottom: 2.5rem; }
.content-block-title {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
}
.cb-icon {
  width: 2rem; height: 2rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.list-check {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.list-check li {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
  font-size: .9375rem;
  color: var(--muted-fg);
  line-height: 1.6;
}
.list-check li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: .1em;
  font-size: .875rem;
}
.list-arrow {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.list-arrow li {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
  font-size: .9375rem;
  color: var(--muted-fg);
  line-height: 1.6;
}
.list-arrow li::before {
  content: '→';
  color: var(--blue-400);
  flex-shrink: 0;
  font-size: .875rem;
}

/* ========================================
   MODULE CARDS
   ======================================== */
.modules-list { display: flex; flex-direction: column; gap: .75rem; }
.module-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.module-head {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: .875rem 1.25rem;
  background: linear-gradient(to right, var(--blue-50), white);
  border-bottom: 1px solid var(--border);
}
.module-num {
  width: 1.875rem; height: 1.875rem;
  background: var(--primary);
  color: white;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  font-family: var(--font-heading);
  flex-shrink: 0;
}
.module-title { font-family: var(--font-heading); font-size: .9375rem; font-weight: 600; }
.module-body { padding: .875rem 1.25rem; }
.module-body ul { list-style: none; display: flex; flex-direction: column; gap: .4375rem; }
.module-body li {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  font-size: .9rem;
  color: var(--muted-fg);
  line-height: 1.55;
}
.module-body li::before { content: '›'; color: var(--blue-400); font-size: 1rem; line-height: 1.5; flex-shrink: 0; }

/* ========================================
   CALLOUTS
   ======================================== */
.callout {
  display: flex;
  gap: .875rem;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin: 1.25rem 0;
}
.callout-blue { background: var(--blue-50); border: 1px solid var(--blue-200); }
.callout-icon { font-size: 1.25rem; flex-shrink: 0; line-height: 1.4; }
.callout-content p { font-size: .9375rem; color: var(--blue-800); line-height: 1.65; }
.callout-content strong { color: var(--blue-900); }

/* ========================================
   ACCORDION (FAQ)
   ======================================== */
.accordion {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-item:last-child { border-bottom: none; }
.accordion-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.125rem 1.5rem;
  background: white;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: .9375rem;
  font-weight: 500;
  color: var(--foreground);
  transition: background .15s;
  gap: 1rem;
}
.accordion-btn:hover { background: var(--slate-50); }
.accordion-btn.is-open { color: var(--primary); background: var(--blue-50); }
.accordion-chevron {
  width: 1.25rem; height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--muted-fg);
  transition: transform .25s;
}
.accordion-btn.is-open .accordion-chevron { transform: rotate(180deg); color: var(--primary); }
.accordion-body { overflow: hidden; max-height: 0; transition: max-height .3s ease; }
.accordion-body.is-open { max-height: 2000px; }
.accordion-inner {
  padding: 1.125rem 1.5rem;
  font-size: .9375rem;
  color: var(--muted-fg);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  background: var(--slate-50);
}

/* ========================================
   PROSE (pages légales)
   ======================================== */
.prose { font-size: .9375rem; color: var(--muted-fg); line-height: 1.75; }
.prose h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--foreground);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: .625rem;
  border-bottom: 1px solid var(--border);
}
.prose h3 { font-family: var(--font-heading); font-size: 1.0625rem; font-weight: 600; color: var(--foreground); margin-top: 1.5rem; margin-bottom: .75rem; }
.prose p { margin-bottom: 1rem; }
.prose ul { margin: .75rem 0 1rem 1.25rem; }
.prose li { margin-bottom: .375rem; }
.prose strong { color: var(--foreground); font-weight: 600; }
.prose a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

/* ========================================
   ARTICLE CARDS (règlement, cgv, cgu)
   ======================================== */
.article-list { display: flex; flex-direction: column; gap: .75rem; }
.article-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  background: white;
  transition: border-color .15s, box-shadow .15s;
}
.article-item:hover { border-color: var(--primary-border); box-shadow: var(--shadow-sm); }
.article-item-head {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  margin-bottom: .625rem;
}
.article-num {
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-size: .8125rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  padding: .25rem .625rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  line-height: 1.5;
}
.article-title { font-family: var(--font-heading); font-size: .9375rem; font-weight: 600; line-height: 1.4; }
.article-body { font-size: .9rem; color: var(--muted-fg); line-height: 1.7; padding-left: calc(2.5625rem + .875rem); }

/* ========================================
   STEPS / TIMELINE
   ======================================== */
.steps { display: flex; flex-direction: column; }
.step { display: flex; gap: 1.25rem; }
.step-side { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; }
.step-dot {
  width: 2.5rem; height: 2.5rem;
  background: var(--primary);
  color: white;
  border-radius: 9999px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading);
  font-size: .9375rem;
  font-weight: 700;
  flex-shrink: 0;
  z-index: 1;
}
.step-line {
  width: 2px;
  flex: 1;
  background: var(--blue-100);
  margin: .375rem 0;
  min-height: 1.5rem;
}
.step:last-child .step-line { display: none; }
.step-content { padding: .25rem 0 2rem; }
.step-label { font-family: var(--font-heading); font-size: 1.0625rem; font-weight: 600; margin-bottom: .5rem; }
.step-desc { font-size: .9375rem; color: var(--muted-fg); line-height: 1.65; }
.step-desc ul { list-style: none; margin-top: .75rem; display: flex; flex-direction: column; gap: .4375rem; }
.step-desc li { display: flex; align-items: flex-start; gap: .5rem; }
.step-desc li::before { content: '·'; color: var(--primary); font-size: 1.25rem; line-height: 1.3; flex-shrink: 0; }

/* ========================================
   GRID LAYOUTS
   ======================================== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }

/* ========================================
   STAT CARDS
   ======================================== */
.stat-card {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  color: white;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}
.stat-value { font-family: var(--font-heading); font-size: 2rem; font-weight: 700; margin-bottom: .375rem; }
.stat-label  { font-size: .875rem; opacity: .85; line-height: 1.4; }

/* ========================================
   FEATURE CARDS
   ======================================== */
.feature-card { display: flex; flex-direction: column; gap: .875rem; }
.feature-icon {
  width: 3rem; height: 3rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.375rem;
}
.feature-title { font-family: var(--font-heading); font-size: 1.0625rem; font-weight: 600; }
.feature-desc  { font-size: .9375rem; color: var(--muted-fg); line-height: 1.65; }

/* ========================================
   DIVIDER / MISC
   ======================================== */
.divider { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }
.text-muted { color: var(--muted-fg); }
.text-primary { color: var(--primary); }
.font-heading { font-family: var(--font-heading); }

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--slate-900);
  color: var(--slate-400);
  padding: 3.5rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--slate-800);
  margin-bottom: 1.75rem;
}
.footer-brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  margin-bottom: .875rem;
}
.footer-logo-mark {
  width: 2rem; height: 2rem;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: .75rem;
  font-weight: 800;
}
.footer-tagline { font-size: .875rem; line-height: 1.65; margin-bottom: 1.25rem; color: var(--slate-500); }
.footer-contact-info { display: flex; flex-direction: column; gap: .375rem; }
.footer-contact-info a,
.footer-contact-info span { font-size: .8125rem; color: var(--slate-500); text-decoration: none; transition: color .15s; }
.footer-contact-info a:hover { color: var(--slate-300); }
.footer-col-title {
  font-family: var(--font-heading);
  font-size: .8125rem;
  font-weight: 600;
  color: var(--slate-300);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 1rem;
}
.footer-links { display: flex; flex-direction: column; gap: .5rem; }
.footer-links a { font-size: .875rem; color: var(--slate-500); text-decoration: none; transition: color .15s; }
.footer-links a:hover { color: var(--slate-300); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
}
.footer-bottom p { font-size: .8125rem; color: var(--slate-600); }
.footer-legal-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-legal-links a { font-size: .8125rem; color: var(--slate-600); text-decoration: none; transition: color .15s; }
.footer-legal-links a:hover { color: var(--slate-400); }

/* ========================================
   NAV DROPDOWN
   ======================================== */
.nav-item {
  position: relative;
}

.nav-link-trigger {
  display: flex;
  align-items: center;
  gap: .3rem;
  cursor: pointer;
}

.nav-chevron {
  transition: transform .2s ease;
  flex-shrink: 0;
  opacity: .55;
}

.nav-item.is-open .nav-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

/* Desktop: show on hover */
.nav-dropdown {
  position: absolute;
  top: calc(100% + .625rem);
  left: 50%;
  transform: translateX(-50%) translateY(-.375rem);
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 290px;
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  overflow: hidden;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown,
.nav-item.is-open .nav-dropdown {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}

.nav-item:hover .nav-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: .875rem 1.25rem;
  text-decoration: none;
  color: var(--foreground);
  transition: background .15s;
  border-bottom: 1px solid var(--border);
}

.nav-dropdown-item:hover { background: var(--muted); }

.nav-di-icon {
  width: 2.25rem;
  height: 2.25rem;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  color: var(--primary);
}

.nav-di-text {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.nav-di-title {
  font-size: .875rem;
  font-weight: 600;
  color: var(--foreground);
  font-family: var(--font-heading);
}

.nav-di-desc {
  font-size: .75rem;
  color: var(--muted-fg);
}

.nav-dropdown-footer {
  padding: .625rem 1.25rem;
  background: var(--muted);
  border-top: 1px solid var(--border);
}

.nav-dropdown-footer a {
  font-size: .8125rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.nav-dropdown-footer a:hover { text-decoration: underline; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 900px) {
  .detail-layout { grid-template-columns: 1fr; }
  .detail-sidebar { position: static; }
  .formations-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: span 2; }
}
@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: calc(3.75rem + 1px);
    left: 0; right: 0;
    background: white;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: .75rem;
    gap: .125rem;
    box-shadow: var(--shadow-lg);
  }
  .nav.is-open { display: flex; }
  .nav-link, .nav-btn {
    padding: .75rem 1rem;
    border-radius: var(--radius-sm);
    margin-left: 0;
  }
  .nav-btn { text-align: center; justify-content: center; margin-top: .25rem; }
  .nav-toggle { display: flex; }

  /* Dropdown mobile */
  .nav-item { width: 100%; }
  .nav-link-trigger { width: 100%; justify-content: space-between; }
  .nav-dropdown {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: all;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: var(--blue-50);
    display: none;
    min-width: unset;
    border-left: 2px solid var(--primary-border);
    margin: .25rem 0 .25rem 1rem;
    transition: none;
  }
  .nav-item.is-open .nav-dropdown { display: block; }
  .nav-item:hover .nav-dropdown { opacity: 1; transform: none; pointer-events: all; }
  .nav-item:hover .nav-chevron { transform: none; }
  .nav-item.is-open .nav-chevron { transform: rotate(180deg); }
  .nav-dropdown-item { padding: .625rem 1rem; border-bottom: 1px solid var(--blue-100); }
  .nav-dropdown-item:last-of-type { border-bottom: none; }
  .nav-di-icon { width: 1.75rem; height: 1.75rem; font-size: .875rem; }
  .nav-dropdown-footer { padding: .5rem 1rem; }
  .page-hero { padding: 2rem 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .formation-meta { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > :first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-legal-links { gap: 1rem; }
}
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .section { padding: 2rem 0; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .formation-card-footer { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .formation-card-footer .btn { width: 100%; justify-content: center; }
}