/* ============================================================
   YALCO — BUILDING AFRICA — Landing Page
   Design system v2
   ============================================================ */

:root {
  /* --- Couleurs --- */
  --ink: #060F1A;            /* fond principal, quasi noir-bleu */
  --surface: #0E2235;        /* surfaces élevées : cartes, header */
  --surface-2: #142B42;      /* surfaces encore au-dessus */
  --line: #1F3A55;           /* bordures, séparateurs */
  --orange: #E8852C;         /* signature de marque */
  --orange-bright: #FFB86B;  /* accent lumineux, hover */
  --orange-deep: #C2691B;    /* pressed */
  --azure: #5C9EAD;          /* bleu pétrole, usage très restreint */
  --cream: #F7F4EE;          /* texte clair chaud */
  --cream-dim: #A8B3C2;      /* texte secondaire sur fond sombre */
  --white: #FFFFFF;

  /* --- Typo --- */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* --- Échelle --- */
  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2.5rem;
  --s-5: 4rem;
  --s-6: 6rem;
  --s-7: 9rem;

  --max-w: 1240px;
  --radius: 3px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--cream);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
:focus-visible { outline: 2px solid var(--orange-bright); outline-offset: 3px; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--s-3);
  padding-right: var(--s-3);
}

/* Sur très petits écrans (téléphones étroits type Galaxy S6, ~360px
   et moins), --s-3 (24px) laisse un ratio marge/largeur trop faible :
   titres et photos donnent une impression de "collé au bord". On
   resserre légèrement sans changer --s-3 ailleurs (qui est aussi
   utilisé comme gap dans des grilles, pas seulement comme marge). */
@media (max-width: 420px) {
  .container { padding-left: 1.15rem; padding-right: 1.15rem; }
}

/* ============================================================
   Typographie
   ============================================================ */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.05;
  color: var(--white);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--orange-bright);
}

.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--orange);
  display: inline-block;
}

.eyebrow-num {
  font-family: var(--font-mono);
  color: var(--cream-dim);
}

p { color: var(--cream-dim); }

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  margin-top: var(--s-2);
  margin-bottom: var(--s-2);
}

.section-lede {
  max-width: 600px;
  font-size: 1.05rem;
  color: var(--cream-dim);
}

/* ============================================================
   Boutons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.9rem;
  padding: 0.95em 1.8em;
  border-radius: var(--radius);
  transition: transform 0.25s cubic-bezier(.2,.8,.2,1), box-shadow 0.25s ease, background 0.2s ease, color 0.2s ease, border-color .2s ease;
}

.btn-primary { background: var(--orange); color: var(--ink); }
.btn-primary:hover { background: var(--orange-bright); transform: translateY(-2px); box-shadow: 0 14px 28px -10px rgba(232,133,44,.45); }

.btn-ghost { background: transparent; color: var(--white); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--orange-bright); color: var(--orange-bright); }

/* Ghost button variant for use on light backgrounds (.section-light).
   The base .btn-ghost is tuned for dark sections (white text, dark
   border) and becomes invisible on a cream background. */
.section-light .btn-ghost {
  color: var(--ink);
  border: 1px solid #C9C2B2;
  background: rgba(255,255,255,0.5);
}
.section-light .btn-ghost:hover {
  border-color: var(--orange-deep);
  color: var(--orange-deep);
  background: rgba(255,255,255,0.85);
}

.btn-arrow { transition: transform 0.25s ease; display: inline-block; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ============================================================
   Header
   ============================================================ */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(6,15,26,0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.nav-logo { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
.nav-logo img { height: 48px; width: auto; max-width: 220px; }

@media (min-width: 600px) {
  .nav-logo img { height: 56px; }
}

.nav-links { display: none; align-items: center; gap: var(--s-4); }

.nav-links a {
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--cream-dim);
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}

.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: var(--orange);
}

.nav-actions { display: flex; align-items: center; gap: var(--s-2); }

.lang-switch {
  display: flex; align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.lang-switch button { padding: 0.45em 0.75em; color: var(--cream-dim); transition: background 0.2s ease, color 0.2s ease; }
.lang-switch button.active { background: var(--orange); color: var(--ink); }

.nav-cta { display: none; }

.nav-toggle {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 28px; height: 22px;
}
.nav-toggle span { display: block; height: 2px; background: var(--white); border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; top: 0; right: 0; height: 100vh;
  width: min(82vw, 360px);
  background: var(--surface);
  border-left: 1px solid var(--line);
  z-index: 99;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.2,.8,.2,1);
  display: flex; flex-direction: column;
  padding: 6.5rem var(--s-4) var(--s-4);
  gap: var(--s-3);
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a {
  font-family: var(--font-display); text-transform: uppercase; font-size: 1.2rem; font-weight: 700;
  color: var(--white); padding: 0.6rem 0; border-bottom: 1px solid var(--line);
}
.mobile-menu .btn { margin-top: var(--s-3); justify-content: center; }

.menu-backdrop {
  position: fixed; inset: 0; background: rgba(6,15,26,0.65); z-index: 98;
  opacity: 0; visibility: hidden; transition: opacity .3s ease, visibility .3s ease;
}
.menu-backdrop.open { opacity: 1; visibility: visible; }

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* ============================================================
   Progress rail — signature element
   Silhouette Africa filled like a gauge as the user scrolls
   ============================================================ */

.progress-rail {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  width: 30px;
  height: 38vh;
  max-height: 320px;
  display: none;
  align-items: center;
  justify-content: center;
}

.progress-rail svg { width: 100%; height: 100%; }

@media (min-width: 1100px) {
  .progress-rail { display: flex; }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6.5rem;
  overflow: hidden;
}

.hero-grid {
  position: relative;
  z-index: 1;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
  align-items: center;
}

@media (min-width: 980px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; }
}

.hero-bg-wash {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 1000px 700px at 78% 8%, rgba(232,133,44,0.10) 0%, transparent 60%),
    linear-gradient(165deg, var(--ink) 0%, #0a1d2e 60%, #0c2230 100%);
}

.hero-tag {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: rgba(232,133,44,0.1);
  border: 1px solid rgba(232,133,44,0.35);
  color: var(--orange-bright);
  font-family: var(--font-mono);
  font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  font-size: 0.72rem;
  padding: 0.5em 1em;
  border-radius: 100px;
  margin-bottom: var(--s-3);
}

.hero-title {
  font-size: clamp(2.6rem, 6.4vw, 4.6rem);
  max-width: 13ch;
  margin-bottom: var(--s-3);
}

/* Sur mobile étroit, le minimum du clamp() (2.6rem) reste grand par
   rapport à la largeur d'écran, et max-width:13ch force des retours
   à la ligne serrés contre les marges. On assouplit les deux pour
   ce palier précis sans toucher au rendu desktop/tablette. */
@media (max-width: 420px) {
  .hero-title { font-size: 2.15rem; max-width: 100%; }
}

.hero-title .line-accent { color: var(--orange-bright); }

.hero-subtitle {
  max-width: 500px;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--cream-dim);
  margin-bottom: var(--s-4);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-bottom: var(--s-5); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-3);
  max-width: 480px;
  border-top: 1px solid var(--line);
  padding-top: var(--s-3);
}
@media (min-width: 600px) {
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
}

.hero-stat-num {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  color: var(--white); line-height: 1;
}
.hero-stat-num span { color: var(--orange-bright); }
.hero-stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--cream-dim);
  text-transform: uppercase; letter-spacing: 0.05em;
  margin-top: 0.4em;
}

/* Hero visual: photo + frame + floating card */
.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  max-width: 460px;
  margin: 0 auto;
}

.hero-visual-frame {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.hero-visual-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.03);
}

.hero-visual-frame::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(195deg, rgba(6,15,26,0.05) 30%, rgba(6,15,26,0.55) 100%);
}

.hero-visual-tagcard {
  position: absolute;
  left: -18px;
  bottom: -22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--s-3) var(--s-3);
  box-shadow: 0 24px 48px -20px rgba(0,0,0,0.6);
  max-width: 240px;
}

@media (max-width: 480px) {
  .hero-visual-tagcard { left: 0; bottom: -16px; padding: var(--s-2); max-width: 200px; }
}

.hero-visual-tagcard .tag-num {
  font-family: var(--font-display); font-weight: 700; color: var(--orange);
  font-size: 1.8rem; line-height: 1;
}
.hero-visual-tagcard .tag-label {
  font-family: var(--font-mono); font-size: 0.68rem;
  color: var(--cream-dim); text-transform: uppercase; letter-spacing: 0.05em;
  margin-top: 0.3em;
}

/* ============================================================
   Sectors marquee
   ============================================================ */

.sectors-strip {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: var(--s-3) 0;
  overflow: hidden;
}

.sectors-track {
  display: flex; gap: var(--s-6);
  white-space: nowrap;
  animation: scroll-left 32s linear infinite;
  width: max-content;
}

@media (prefers-reduced-motion: reduce) {
  .sectors-track { animation: none; flex-wrap: wrap; white-space: normal; }
}

@keyframes scroll-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.sectors-track span {
  font-family: var(--font-mono); font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em;
  font-size: 0.85rem; color: var(--cream-dim);
}
.sectors-track span.dot { color: var(--orange); }

/* ============================================================
   Section base
   ============================================================ */

.section { padding: var(--s-6) 0; position: relative; scroll-margin-top: 84px; }

.section-light { background: var(--cream); color: var(--ink); }
.section-light h2, .section-light h3, .section-light h4 { color: var(--ink); }
.section-light p { color: #4A5563; }
.section-light .eyebrow { color: var(--orange-deep); }
.section-light .eyebrow::before { background: var(--orange-deep); }

.section-head { display: flex; flex-direction: column; align-items: flex-start; margin-bottom: var(--s-5); }

/* ============================================================
   Pillars (4 cards)
   ============================================================ */

.pillars-grid {
  display: grid; grid-template-columns: 1fr; gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
@media (min-width: 700px) { .pillars-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .pillars-grid { grid-template-columns: repeat(4, 1fr); } }

.pillar-card { background: var(--surface); padding: var(--s-4) var(--s-3); transition: background .3s ease; }
.pillar-card:hover { background: var(--surface-2); }

.pillar-icon { width: 40px; height: 40px; margin-bottom: var(--s-3); }
.pillar-icon svg { width: 100%; height: 100%; stroke: var(--orange); fill: none; stroke-width: 1.6; }

.pillar-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.pillar-card p { font-size: 0.9rem; }

/* ============================================================
   About split w/ photo
   ============================================================ */

.split {
  display: grid; grid-template-columns: 1fr; gap: var(--s-5); align-items: center;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 0.9fr 1.1fr; }
  .split.reverse { direction: rtl; }
  .split.reverse > * { direction: ltr; }
}

.split-media { position: relative; }
.split-media-frame {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; aspect-ratio: 4/5;
}
.split-media-frame img { width: 100%; height: 100%; object-fit: cover; }

.value-list { margin-top: var(--s-4); display: grid; gap: var(--s-2); }
.value-item { display: flex; gap: 0.9rem; align-items: flex-start; }
.value-item .num { font-family: var(--font-mono); font-weight: 600; color: var(--orange); font-size: 0.85rem; min-width: 1.6em; padding-top: 0.2em; }
.value-item h4 { font-size: 1rem; text-transform: none; letter-spacing: 0; margin-bottom: 0.2rem; color: var(--white); }
.value-item p { font-size: 0.92rem; margin: 0; }

/* ============================================================
   Training divisions
   ============================================================ */

.divisions-list {
  display: grid; gap: 1px;
  background: rgba(0,0,0,0.07); border: 1px solid rgba(0,0,0,0.09);
  border-radius: var(--radius); overflow: hidden;
}

.division-row {
  background: var(--white);
  display: grid; grid-template-columns: 1fr; gap: var(--s-2);
  padding: var(--s-3) var(--s-4);
  transition: background .2s ease;
}
@media (min-width: 800px) {
  .division-row { grid-template-columns: 64px 1.3fr 2fr; align-items: center; }
}
.division-row:hover { background: #FBF8F2; }

.division-index { font-family: var(--font-mono); font-weight: 600; font-size: 1.1rem; color: var(--orange); opacity: 0.7; }
.division-name { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: 1.02rem; color: var(--ink); letter-spacing: 0.01em; }

.division-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.division-tags span { font-size: 0.76rem; color: #5A6472; background: #F1EEE7; padding: 0.3em 0.7em; border-radius: 100px; white-space: nowrap; }

/* ============================================================
   Photo strip — credibility moment
   ============================================================ */

.photo-strip {
  display: grid; grid-template-columns: 1fr; gap: var(--s-2);
}
@media (min-width: 700px) {
  .photo-strip { grid-template-columns: repeat(3, 1fr); }
}

.photo-strip figure {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.photo-strip figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.photo-strip figure:hover img { transform: scale(1.04); }

.photo-strip figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: var(--s-3);
  background: linear-gradient(0deg, rgba(6,15,26,0.92) 0%, transparent 100%);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  color: var(--cream);
}

/* ============================================================
   Why choose us
   ============================================================ */

.why-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--s-5);
}
@media (min-width: 900px) {
  .why-grid { grid-template-columns: 0.9fr 1.1fr; align-items: start; }
}

.why-list { display: grid; grid-template-columns: 1fr; gap: var(--s-2); }
@media (min-width: 560px) { .why-list { grid-template-columns: repeat(2, 1fr); } }

.why-list li {
  display: flex; align-items: flex-start; gap: 0.7rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--cream);
  padding: var(--s-2) 0;
  border-bottom: 1px solid var(--line);
}

.why-check {
  color: var(--orange);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

/* ============================================================
   Learners
   ============================================================ */

.learners-grid { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.learner-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--white);
  border: 1px solid #E4DFD3;
  padding: 0.7em 1.2em;
  border-radius: 100px;
}

/* ============================================================
   Commitment band
   ============================================================ */

.commitment {
  background: linear-gradient(135deg, var(--ink) 0%, #0c2433 100%);
  position: relative;
  padding: var(--s-6) 0;
}

.commitment-quote {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  color: var(--white);
  max-width: 740px;
  line-height: 1.25;
  text-transform: none;
}
.commitment-quote .accent { color: var(--orange-bright); }

/* ============================================================
   CTA band
   ============================================================ */

.cta-band { background: var(--orange); padding: var(--s-5) 0; }
.cta-band-inner {
  display: flex; flex-direction: column; gap: var(--s-3);
  align-items: flex-start; justify-content: space-between;
}
@media (min-width: 800px) { .cta-band-inner { flex-direction: row; align-items: center; } }

.cta-band h2 { color: var(--ink); font-size: clamp(1.7rem, 3.4vw, 2.3rem); max-width: 480px; }
.cta-band .btn-primary { background: var(--ink); color: var(--white); flex-shrink: 0; }
.cta-band .btn-primary:hover { background: var(--surface-2); }

/* ============================================================
   Footer
   ============================================================ */

.site-footer { background: var(--ink); border-top: 1px solid var(--line); padding: var(--s-6) 0 var(--s-2); }

.footer-grid { display: grid; grid-template-columns: 1fr; gap: var(--s-5); margin-bottom: var(--s-5); }
@media (min-width: 700px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: var(--s-3);
}
.footer-logo img { height: 64px; width: auto; max-width: 240px; }
.footer-about p { max-width: 320px; font-size: 0.92rem; }

.footer-col h4 {
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--orange-bright); margin-bottom: var(--s-2); font-weight: 600;
}
.footer-col ul { display: grid; gap: 0.6rem; }
.footer-col a, .footer-col p { font-size: 0.92rem; color: var(--cream-dim); transition: color .2s ease; }
.footer-col a:hover { color: var(--orange-bright); }

.footer-bottom {
  border-top: 1px solid var(--line); padding-top: var(--s-3);
  display: flex; flex-direction: column; gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 0.76rem; color: var(--cream-dim);
}
@media (min-width: 700px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }

/* ============================================================
   Scroll-reveal: fade + blur-to-sharp
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
  transition: opacity 0.9s cubic-bezier(.2,.7,.2,1), transform 0.9s cubic-bezier(.2,.7,.2,1), filter 0.9s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform, filter;
}
.reveal.visible { opacity: 1; transform: translateY(0); filter: blur(0); }

/* staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(22px);
  filter: blur(5px);
  transition: opacity 0.8s cubic-bezier(.2,.7,.2,1), transform 0.8s cubic-bezier(.2,.7,.2,1), filter 0.8s cubic-bezier(.2,.7,.2,1);
}
.reveal-stagger.visible > * { opacity: 1; transform: translateY(0); filter: blur(0); }
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.03s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.17s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.31s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.38s; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 0.45s; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 0.52s; }

/* Fallback: ensure content visible if JS hasn't run */
body:not(.js-ready) .reveal,
body:not(.js-ready) .reveal-stagger > * {
  opacity: 1; transform: none; filter: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-stagger > * { transition: none !important; filter: none !important; }
}

/* ============================================================
   Page hero (secondary pages: About, Training, etc.)
   ============================================================ */

.page-hero {
  position: relative;
  padding-top: 11rem;
  padding-bottom: var(--s-6);
  overflow: hidden;
}

.page-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 900px 500px at 85% 0%, rgba(232,133,44,0.09) 0%, transparent 60%),
    linear-gradient(165deg, var(--ink) 0%, #0a1d2e 60%, #0c2230 100%);
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero-title {
  font-size: clamp(2.4rem, 5.6vw, 3.8rem);
  max-width: 16ch;
  margin-top: var(--s-2);
  margin-bottom: var(--s-2);
}

@media (max-width: 420px) {
  .page-hero-title { font-size: 1.95rem; max-width: 100%; }
}
.page-hero-title .line-accent { color: var(--orange-bright); }

.page-hero-subtitle {
  max-width: 560px;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: var(--cream-dim);
}

/* ============================================================
   Founder card with reserved photo slot
   ============================================================ */

.founder-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.founder-photo-slot {
  aspect-ratio: 4/3;
  width: 100%;
  background:
    repeating-linear-gradient(45deg, var(--surface-2) 0px, var(--surface-2) 1px, transparent 1px, transparent 14px),
    var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  text-align: center;
  overflow: hidden;
}

/* Once the client uploads images/fondateur.jpg, this rule makes it
   fill the reserved frame cleanly (cropped, no distortion).
   Recommended source photo: portrait or landscape, minimum 800x600px,
   the frame itself is fixed at a 4:3 ratio so any photo gets cropped
   to match automatically. */
.founder-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

/* Shown only if images/fondateur.jpg fails to load (see onerror on
   the <img> tag above) — keeps the hatched placeholder look instead
   of a broken-image icon until the real photo is uploaded. */
.founder-photo-fallback {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  padding: var(--s-3);
  text-align: center;
}

.founder-photo-hint {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--cream-dim);
  background: rgba(6,15,26,0.7);
  padding: 0.6em 1em;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.founder-info { padding: var(--s-4); }
.founder-info h3 {
  font-size: 1.3rem;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 0.3rem;
}
.founder-role {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--orange-bright);
  margin-bottom: var(--s-3);
}
.founder-quote {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--cream);
  line-height: 1.4;
  text-transform: none;
  letter-spacing: 0;
  border-left: 2px solid var(--orange);
  padding-left: var(--s-2);
}

/* Recommended photo spec, documented inline for the client's reference */
.founder-photo-slot::after {
  content: '';
}

/* ============================================================
   Vision & Mission grid
   ============================================================ */

.vm-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
}
@media (min-width: 900px) {
  .vm-grid { grid-template-columns: 1fr 1fr; }
}

.vm-card p { font-size: 1rem; }

.mission-list {
  margin-top: var(--s-3);
  display: grid;
  gap: 0.65rem;
}
.mission-list li {
  position: relative;
  padding-left: 1.4em;
  font-size: 0.95rem;
  color: #4A5563;
}
.mission-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.55em;
  width: 7px; height: 7px;
  background: var(--orange);
  border-radius: 1px;
}

/* ============================================================
   Values grid (7 values)
   ============================================================ */

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 700px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .values-grid { grid-template-columns: repeat(4, 1fr); }
}

.value-card {
  background: var(--surface);
  padding: var(--s-4) var(--s-3);
  transition: background .3s ease;
}
.value-card:hover { background: var(--surface-2); }

.value-num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--orange);
  font-size: 0.85rem;
  display: block;
  margin-bottom: var(--s-2);
  opacity: 0.8;
}

.value-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.value-card p { font-size: 0.88rem; }

.value-card-closing {
  background: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.value-card-closing:hover { background: var(--orange-bright); }
.value-closing-text {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-size: 1.05rem;
  line-height: 1.25;
  color: var(--ink);
}

/* ============================================================
   Pillars timeline (3 steps, sequential — order carries meaning)
   ============================================================ */

.pillars-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
  position: relative;
}
@media (min-width: 900px) {
  .pillars-timeline { grid-template-columns: repeat(3, 1fr); }
  .pillars-timeline::before {
    content: '';
    position: absolute;
    top: 28px; left: 0; right: 0;
    height: 1px;
    background: #E4DFD3;
    z-index: 0;
  }
}

.pillar-step {
  position: relative;
  z-index: 1;
  background: var(--cream);
}

.pillar-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--orange-bright);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: var(--s-3);
}

.pillar-step h3 {
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 0.6rem;
}
.pillar-step p { font-size: 0.92rem; }

/* ============================================================
   Training overview grid (quick anchor nav to divisions)
   ============================================================ */

.overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 700px) {
  .overview-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .overview-grid { grid-template-columns: repeat(3, 1fr); }
}

.overview-card {
  background: var(--surface);
  padding: var(--s-4) var(--s-3);
  display: flex;
  align-items: center;
  gap: var(--s-3);
  transition: background .25s ease, transform .25s ease;
}
.overview-card:hover { background: var(--surface-2); transform: translateX(4px); }

.overview-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--orange);
  opacity: 0.75;
  flex-shrink: 0;
}

.overview-card h3 {
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}

/* ============================================================
   Division detail sections (alternating photo + content)
   ============================================================ */

.division-section { scroll-margin-top: 90px; }

.division-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
  align-items: center;
}
@media (min-width: 900px) {
  .division-detail { grid-template-columns: 0.85fr 1.15fr; }
  .division-detail.reverse { direction: rtl; }
  .division-detail.reverse > * { direction: ltr; }
}

.division-detail-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--orange-bright);
  letter-spacing: 0.08em;
  margin-bottom: var(--s-2);
}
.section-light .division-detail-num { color: var(--orange-deep); }

/* ============================================================
   Reserved photo slot — square, ready for client-provided images.
   Each <img class="photo-slot-img"> already points to its final
   path (e.g. images/formation-01-industrie.jpg). As long as the
   file doesn't exist, onerror hides the broken-image icon and
   reveals the hatched placeholder with the exact path expected —
   drop the file at that path and it displays automatically,
   cropped to fill the square frame (no distortion).
   ============================================================ */

.photo-slot-square {
  aspect-ratio: 1 / 1;
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(45deg, var(--surface-2) 0px, var(--surface-2) 1px, transparent 1px, transparent 14px),
    var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  text-align: center;
  overflow: hidden;
}

/* Between mobile and the 900px two-column breakpoint, a 1:1 square
   at full container width grows very tall (e.g. ~700px on a 768px
   tablet) before the layout switches to a side-by-side photo.
   Capping the height keeps it proportionate on tablets without
   affecting the true square ratio on phones or desktop. */
@media (min-width: 560px) and (max-width: 899px) {
  .photo-slot-square { aspect-ratio: auto; max-height: 420px; }
}

.photo-slot-square img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}

.photo-slot-light {
  background:
    repeating-linear-gradient(45deg, #ECE7DC 0px, #ECE7DC 1px, transparent 1px, transparent 14px),
    #F1EEE7;
  border-color: #E4DFD3;
}

/* Shown only if the <img> above fails to load (see onerror attribute) */
.photo-slot-fallback {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  padding: var(--s-3);
  text-align: center;
}

.photo-slot-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--cream-dim);
  background: rgba(6,15,26,0.7);
  padding: 0.6em 1em;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  word-break: break-all;
}
.photo-slot-light .photo-slot-hint {
  color: #6B7280;
  background: rgba(255,255,255,0.75);
  border-color: #D8D2C4;
}

/* ============================================================
   Program list (sub-programs within a division)
   ============================================================ */

.program-list {
  margin-top: var(--s-4);
  display: grid;
  gap: var(--s-3);
}

.program-item {
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--line);
}
.section-light .program-item { border-bottom-color: #E4DFD3; }

.program-item:last-child { border-bottom: none; padding-bottom: 0; }

.program-item h4 {
  font-size: 1rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--white);
  margin-bottom: 0.6rem;
}
.section-light .program-item h4 { color: var(--ink); }

.program-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.program-tags span {
  font-size: 0.78rem;
  color: var(--cream-dim);
  background: var(--surface-2);
  padding: 0.35em 0.8em;
  border-radius: 100px;
  white-space: nowrap;
}
.section-light .program-tags span {
  color: #5A6472;
  background: #F1EEE7;
}

/* ============================================================
   i18n visibility (FR default, EN on demand)
   ============================================================ */

[data-lang="en"] { display: none; }

html[lang="en"] [data-lang="fr"] { display: none; }

html[lang="en"] [data-lang="en"] { display: revert; }

html[lang="en"] h1[data-lang="en"],
html[lang="en"] h2[data-lang="en"],
html[lang="en"] h3[data-lang="en"],
html[lang="en"] h4[data-lang="en"],
html[lang="en"] p[data-lang="en"],
html[lang="en"] li[data-lang="en"],
html[lang="en"] div[data-lang="en"] { display: block; }

html[lang="en"] span[data-lang="en"],
html[lang="en"] a[data-lang="en"]:not(.btn):not(.overview-card):not(.learner-tag),
html[lang="en"] strong[data-lang="en"] { display: inline; }

html[lang="en"] a.btn[data-lang="en"],
html[lang="en"] a.overview-card[data-lang="en"] { display: inline-flex; }

html[lang="en"] span.learner-tag[data-lang="en"],
html[lang="en"] span.program-tags[data-lang="en"] { display: inline-flex; }

/* ============================================================
   Overview card closing variant (orange CTA card filling
   the last grid slot when item count isn't a clean multiple)
   ============================================================ */

.overview-card-closing {
  background: var(--orange);
}
.overview-card-closing:hover {
  background: var(--orange-bright);
  transform: translateX(4px);
}
.overview-card-closing .overview-num {
  color: var(--ink);
  opacity: 1;
}
.overview-card-closing h3 {
  color: var(--ink);
}

/* ============================================================
   Pillars timeline — 4-step variant (Manpower "how it works")
   ============================================================ */

.pillars-timeline-4 {
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .pillars-timeline-4 { grid-template-columns: repeat(2, 1fr); }
  .pillars-timeline-4::before { display: none; }
}
@media (min-width: 1100px) {
  .pillars-timeline-4 { grid-template-columns: repeat(4, 1fr); }
  .pillars-timeline-4::before { display: block; }
}

/* ============================================================
   Footer social icons (Instagram, Facebook)
   ============================================================ */

.footer-social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: var(--s-3);
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--cream-dim);
  transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
  flex-shrink: 0;
}

.footer-social-link svg {
  width: 18px;
  height: 18px;
}

.footer-social-link:hover {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
  transform: translateY(-2px);
}

.footer-social-link:focus-visible {
  outline: 2px solid var(--orange-bright);
  outline-offset: 2px;
}

@media (max-width: 480px) {
  .footer-social-link { width: 40px; height: 40px; }
  .footer-social-link svg { width: 19px; height: 19px; }
}