/* ============================================
   FAIRE POUR APPRENDRE — Stylesheet
   ============================================ */

:root {
  --c-bg: #ffffff;
  --c-bg-alt: #f5f6fa;
  --c-fg: #0a0a0a;
  --c-fg-soft: #4a4a4a;
  --c-fg-mute: #8a8a8a;
  --c-blue: #606cb6;
  --c-blue-soft: #eaecf5;
  --c-blue-dark: #4a558f;
  --c-line: #e6e6ea;
  --c-stripe: #e8eaf2;

  --section-py: 120px;
  --container-px: 48px;
  --container-max: 1280px;

  --radius: 4px;
  --radius-lg: 12px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --font-display: "Alike", Georgia, serif;
  --font-body: "Raleway", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

[data-density="compact"] {
  --section-py: 88px;
  --container-px: 40px;
}

[data-blue-intensity="low"] {
  --blue-accent-opacity: 0.6;
}
[data-blue-intensity="high"] {
  --blue-accent-opacity: 1;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--c-fg);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--ease), opacity 0.2s var(--ease);
}

button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---------- Layout ---------- */

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

section {
  padding: var(--section-py) 0;
  position: relative;
}

section + section { border-top: 1px solid var(--c-line); }

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-fg);
}

h1 {
  font-size: clamp(2.75rem, 5.5vw, 5.25rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 3.6vw, 3.25rem);
  letter-spacing: -0.025em;
}

h3 { font-size: 1.5rem; }
h4 { font-size: 1.125rem; }

p { color: var(--c-fg-soft); }

.lead {
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--c-fg-soft);
  max-width: 38em;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-blue);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--c-blue);
}

.blue { color: var(--c-blue); font-weight: 600; }

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius);
  transition: all 0.2s var(--ease);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--c-blue);
  color: #fff;
  border: 1px solid var(--c-blue);
}
.btn-primary:hover {
  background: var(--c-blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px rgba(96, 108, 182, 0.6);
}
.b2b .btn-primary {
  background: transparent;
  border-color: #fff;
  color: #fff;
}
.b2b .btn-primary:hover {
  background: #fff;
  color: var(--c-blue);
  border-color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--c-fg);
  border: 1px solid var(--c-fg);
}
.btn-ghost:hover {
  background: var(--c-fg);
  color: #fff;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--c-blue);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding-bottom: 2px;
}
.btn-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--c-blue);
  transform: scaleX(1);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.btn-link:hover::after { transform: scaleX(0); transform-origin: right; }
.btn-link .arrow { transition: transform 0.2s var(--ease); }
.btn-link:hover .arrow { transform: translateX(4px); }

/* ---------- Nav ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--c-line); }

.nav-inner {
  position: relative;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 18px var(--container-px);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 24px;
}
.nav-inner > .nav-links {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  object-fit: contain;
  display: block;
}
.footer .logo .logo-mark { width: 48px; height: 48px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--c-fg);
  position: relative;
}
.nav-links a:hover { color: var(--c-blue); }

.nav-cta {
  padding: 10px 20px;
  font-size: 0.88rem;
}

.nav-links a.is-active { color: var(--c-blue); }
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -22px;
  height: 2px;
  background: var(--c-blue);
}

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--c-line);
  border-radius: 6px;
  cursor: pointer;
  padding: 0;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav-toggle:hover { border-color: var(--c-blue); }
.nav-toggle span {
  display: block;
  width: 20px; height: 1.75px;
  background: var(--c-fg);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav-mobile {
  display: none;
  border-top: 1px solid var(--c-line);
  background: #fff;
  padding: 8px var(--container-px) 24px;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
}
.nav-mobile ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.nav-mobile a {
  display: block;
  padding: 14px 0;
  font-size: 1.05rem;
  font-weight: 500;
  border-bottom: 1px solid var(--c-line);
}
.nav-mobile a.is-active { color: var(--c-blue); }
.nav-mobile-cta { color: var(--c-blue) !important; font-weight: 600 !important; }
.nav.nav-open .nav-mobile { display: block; }
.nav.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Page header (used on inner pages) */
.page-header {
  padding: 160px 0 80px;
  border-bottom: 1px solid var(--c-line);
}
.page-header .container { max-width: 980px; }
.page-header h1 {
  font-size: clamp(2.5rem, 4.5vw, 4.25rem);
  margin-top: 24px;
  max-width: 18ch;
}
.page-header .lead { margin-top: 28px; font-size: 1.2rem; max-width: 40em; }

/* Breadcrumb */
.crumbs {
  display: flex;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--c-fg-mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin-bottom: 8px;
}
.crumbs a:hover { color: var(--c-blue); }

/* Dispositifs page */
.dispositifs-toc {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 720px;
}
.toc-link {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 18px;
  row-gap: 4px;
  padding: 22px 24px;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.toc-link:hover { border-color: var(--c-blue); background: rgba(96, 108, 182, 0.04); }
.toc-link .toc-num {
  grid-row: 1 / 3;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--c-blue);
  align-self: center;
}
.toc-link .toc-label { font-weight: 600; font-size: 1.05rem; }
.toc-link .toc-sub { font-size: 0.85rem; color: var(--c-fg-mute); }

.dispositif-section { padding-top: 100px; padding-bottom: 100px; }
.dispositif-section.dispositif-alt { background: #f7f6f2; border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.dispositif-header { margin-bottom: 64px; max-width: 920px; }
.dispositif-header .dispositif-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--c-blue);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.dispositif-header h2 { font-size: clamp(2.2rem, 4vw, 3.6rem); margin-top: 12px; }
.dispositif-header .lead { margin-top: 24px; font-size: 1.15rem; max-width: 40em; }

@media (max-width: 720px) {
  .dispositifs-toc { grid-template-columns: 1fr; }
}

/* Two-column generic block */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
.two-col h2 { max-width: 14ch; }
.two-col p + p { margin-top: 16px; }
.two-col p { font-size: 1.05rem; line-height: 1.65; }

@media (max-width: 1024px) {
  .two-col { grid-template-columns: 1fr; gap: 32px; }
}

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

.hero {
  padding: 190px 0 var(--section-py);
  border-top: none !important;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero h1 .blue {
  font-style: italic;
  font-weight: 700;
}

.hero-sub {
  margin-top: 32px;
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--c-fg-soft);
  max-width: 32em;
}

.hero-actions {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-meta {
  margin-top: 64px;
  display: flex;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--c-line);
}
.hero-meta-item .num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--c-blue);
  display: block;
  line-height: 1;
}
.hero-meta-item .lab {
  font-size: 0.82rem;
  color: var(--c-fg-mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 8px;
  display: block;
}

/* Hero variants — centered */
[data-hero="centered"] .hero-grid {
  grid-template-columns: 1fr;
  text-align: center;
  gap: 0;
}
[data-hero="centered"] .hero-visual { display: none; }
[data-hero="centered"] .hero-sub,
[data-hero="centered"] .hero-meta { margin-left: auto; margin-right: auto; }
[data-hero="centered"] .hero-actions { justify-content: center; }
[data-hero="centered"] .eyebrow { justify-content: center; }
[data-hero="centered"] h1 { max-width: 14ch; margin: 24px auto 0; }

/* Hero variants — figure */
[data-hero="figure"] .hero-grid {
  grid-template-columns: 1fr;
  text-align: left;
  gap: 56px;
  max-width: 1100px;
  margin: 0 auto;
}
[data-hero="figure"] .hero-visual {
  height: 320px;
  margin-top: 0;
}
[data-hero="figure"] .hero-figure {
  display: flex;
  align-items: baseline;
  gap: 32px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--c-line);
}
[data-hero="figure"] .hero-figure-num {
  font-family: var(--font-display);
  font-size: clamp(5rem, 10vw, 9rem);
  color: var(--c-blue);
  line-height: 0.9;
  letter-spacing: -0.04em;
}
[data-hero="figure"] .hero-figure-text {
  font-size: 1.05rem;
  color: var(--c-fg-soft);
  max-width: 28em;
}
.hero-figure { display: none; }
[data-hero="figure"] .hero-figure { display: flex; }
[data-hero="figure"] .hero-meta { display: none; }

/* ---------- Placeholder ---------- */

.placeholder {
  position: relative;
  background:
    repeating-linear-gradient(
      45deg,
      var(--c-stripe) 0 8px,
      transparent 8px 16px
    ),
    var(--c-bg-alt);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-fg-mute);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  overflow: hidden;
}
.placeholder::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px dashed var(--c-line);
  pointer-events: none;
}
.placeholder span {
  position: relative;
  background: var(--c-bg);
  padding: 6px 12px;
  border: 1px solid var(--c-line);
  border-radius: 2px;
}

.hero-visual {
  height: 100%;
  min-height: 480px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--c-bg-alt);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- Stats ---------- */

.stats {
  background: var(--c-bg-alt);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.stat {
  padding: 56px 32px;
  border-right: 1px solid var(--c-line);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5vw, 4.25rem);
  color: var(--c-blue);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat-num .unit {
  font-size: 0.5em;
  color: var(--c-fg-mute);
  margin-left: 4px;
}
.stat-label {
  margin-top: 16px;
  font-size: 0.95rem;
  color: var(--c-fg);
  font-weight: 500;
  line-height: 1.4;
}
.stat-detail {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--c-fg-mute);
}

/* ---------- Section heads ---------- */

.section-head {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  margin-bottom: 80px;
  align-items: end;
}
.section-head h2 { max-width: 14ch; }
.section-head .lead { margin-top: 0; }

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

.about-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 32px;
}
.about-pillars {
  grid-column: span 12;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 16px;
  border-top: 1px solid var(--c-line);
}
.pillar {
  padding: 40px 32px 40px 0;
  border-right: 1px solid var(--c-line);
}
.pillar:last-child { border-right: none; padding-right: 0; }
.pillar:not(:first-child) { padding-left: 32px; }
.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-blue);
  letter-spacing: 0.1em;
}
.pillar h3 { margin-top: 18px; margin-bottom: 12px; }
.pillar p { font-size: 0.95rem; }

.about-context {
  grid-column: span 5;
}
.about-context .placeholder {
  height: 420px;
  margin-top: 32px;
}
.about-mission {
  grid-column: span 7;
  padding-top: 8px;
}
.about-mission p { font-size: 1.1rem; line-height: 1.65; }
.about-mission p + p { margin-top: 20px; }

.callout {
  margin-top: 32px;
  padding: 28px 32px;
  background: var(--c-blue-soft);
  border-left: 3px solid var(--c-blue);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.callout-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--c-blue);
  font-weight: 600;
  margin-bottom: 10px;
}
.callout p {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--c-fg);
  line-height: 1.4;
  font-weight: 700;
}

/* ---------- Actions ---------- */

.actions-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--c-line);
}
.action {
  display: grid;
  grid-template-columns: 80px 1fr 1.2fr 200px;
  gap: 48px;
  align-items: start;
  padding: 48px 0;
  border-bottom: 1px solid var(--c-line);
  transition: background 0.3s var(--ease), padding 0.3s var(--ease);
}
.action:hover {
  background: var(--c-bg-alt);
  padding-left: 24px;
  padding-right: 24px;
}
.action-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--c-blue);
  line-height: 1;
}
.action h3 { font-size: 1.6rem; }
.action p { font-size: 1rem; }
.action-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 4px 10px;
  border: 1px solid var(--c-line);
  border-radius: 100px;
  color: var(--c-fg-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.action-meta {
  font-size: 0.85rem;
  color: var(--c-fg-mute);
  line-height: 1.6;
  text-align: right;
}
.action-meta strong {
  color: var(--c-fg);
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 6px;
}

/* ---------- B2B ---------- */

.b2b {
  background: var(--c-fg);
  color: #fff;
}
.b2b h2, .b2b .eyebrow { color: #fff; }
.b2b .eyebrow::before { background: #fff; }
.b2b .lead { color: rgba(255, 255, 255, 0.7); }
.b2b-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.b2b-card {
  padding: 36px 32px 36px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  min-height: 360px;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}
.b2b-card:hover {
  border-color: var(--c-blue);
  transform: translateY(-4px);
  background: rgba(96, 108, 182, 0.08);
}
.b2b-card-icon {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #fff;
}
.b2b-card h3 { color: #fff; margin-top: 28px; font-size: 1.4rem; }
.b2b-card p {
  color: rgba(255, 255, 255, 0.65);
  margin-top: 12px;
  font-size: 0.95rem;
  flex: 1;
}
.b2b-card-foot {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}
.b2b-card-foot .btn-link {
  color: #fff;
}
.b2b-card-foot .btn-link::after { background: #fff; }

.b2b-pitch {
  margin-top: 80px;
  padding: 56px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}
.b2b-pitch h3 {
  font-size: 2rem;
  color: #fff;
  line-height: 1.2;
}
.b2b-pitch h3 em {
  font-style: italic;
  color: var(--c-blue);
  font-weight: 700;
}
.b2b-pitch p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
}

/* ---------- News ---------- */

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.news-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.3s var(--ease);
}
.news-card:hover { transform: translateY(-4px); }
.news-card .placeholder {
  height: 240px;
  margin-bottom: 24px;
}
.news-card:hover .placeholder { border-color: var(--c-blue); }
.news-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 0.8rem;
  color: var(--c-fg-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.news-meta-cat {
  color: var(--c-blue);
  font-weight: 600;
}
.news-meta-dot { width: 3px; height: 3px; background: var(--c-fg-mute); border-radius: 50%; }
.news-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  transition: color 0.2s var(--ease);
}
.news-card:hover h3 { color: var(--c-blue); }
.news-card p { font-size: 0.95rem; }

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 96px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 32px; max-width: 12ch; }
.contact-info p { font-size: 1.1rem; max-width: 32em; }

.contact-details {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.contact-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--c-line);
}
.contact-row dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--c-fg-mute);
  font-weight: 600;
}
.contact-row dd {
  font-size: 1rem;
  color: var(--c-fg);
}
.contact-row dd a:hover { color: var(--c-blue); }

.socials {
  display: flex;
  gap: 12px;
  margin-top: 40px;
}
.social {
  width: 44px; height: 44px;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-fg);
  letter-spacing: 0.05em;
  transition: all 0.2s var(--ease);
}
.social:hover {
  background: var(--c-blue);
  color: #fff;
  border-color: var(--c-blue);
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}
.field label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-fg-mute);
  font-weight: 600;
}
.field input,
.field textarea,
.field select {
  font-family: inherit;
  font-size: 1rem;
  color: var(--c-fg);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--c-line);
  padding: 12px 0;
  outline: none;
  transition: border-color 0.2s var(--ease);
  resize: none;
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  border-bottom-color: var(--c-blue);
}
.field textarea { min-height: 120px; }
.field.error input,
.field.error textarea { border-bottom-color: #c1493d; }
.field-error {
  font-size: 0.8rem;
  color: #c1493d;
  margin-top: 4px;
  font-weight: 500;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-actions {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.form-status {
  font-size: 0.9rem;
  color: var(--c-blue);
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.form-status.show { opacity: 1; }
.form-status.success { color: #2d7a4f; }

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

.footer {
  padding: 64px 0 40px;
  border-top: 1px solid var(--c-line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer h4 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--c-fg-mute);
  margin-bottom: 20px;
  font-weight: 600;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer ul a { font-size: 0.95rem; color: var(--c-fg); }
.footer ul a:hover { color: var(--c-blue); }
.footer-tagline {
  font-size: 0.95rem;
  color: var(--c-fg-soft);
  max-width: 28em;
  margin-top: 16px;
}
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--c-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--c-fg-mute);
}
.footer-bottom-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

/* ---------- Animations ---------- */

@keyframes revealIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal { opacity: 0; }
.reveal.in {
  opacity: 1;
  animation: revealIn 0.8s var(--ease) both;
}

.reveal-stagger > * { opacity: 0; }
.reveal-stagger.in > * {
  opacity: 1;
  animation: revealIn 0.6s var(--ease) both;
}
.reveal-stagger.in > *:nth-child(1) { animation-delay: 0.05s; }
.reveal-stagger.in > *:nth-child(2) { animation-delay: 0.15s; }
.reveal-stagger.in > *:nth-child(3) { animation-delay: 0.25s; }
.reveal-stagger.in > *:nth-child(4) { animation-delay: 0.35s; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

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

/* ---------- Partners (homepage) ---------- */

.partners {
  padding: 96px 0;
  background: var(--c-bg);
  overflow: hidden;
}
.partners .section-head {
  display: block;
  text-align: left;
  margin-bottom: 56px;
}
.partners .section-head .eyebrow { justify-content: flex-start; }
.partners .section-head h2 {
  display: block;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  margin: 16px 0 0;
  max-width: 18ch;
}
.partners-marquee {
  position: relative;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 80px,
    #000 calc(100% - 80px),
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 80px,
    #000 calc(100% - 80px),
    transparent 100%
  );
}
.partners-track {
  display: flex;
  align-items: center;
  gap: 88px;
  width: max-content;
  animation: partners-scroll 36s linear infinite;
}
.partners-marquee:hover .partners-track {
  animation-play-state: paused;
}
.partners-item {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
  padding: 0 8px;
}
.partners-item img {
  max-height: 90px;
  max-width: 200px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  filter: saturate(1);
  opacity: 0.92;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.partners-item:hover img {
  opacity: 1;
  transform: scale(1.04);
}
/* Per-logo size tuning — keep optical balance */
.partners-item[data-logo="ville-de-stains"] img { max-height: 78px; }
.partners-item[data-logo="plaine-commune"] img    { max-height: 60px; }
.partners-item[data-logo="caf"] img               { max-height: 80px; border-radius: 4px; }
.partners-item[data-logo="es-stains"] img         { max-height: 96px; }
.partners-item[data-logo="as-pierrefitte"] img    { max-height: 88px; }

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

@media (prefers-reduced-motion: reduce) {
  .partners-track { animation: none; }
  .partners-marquee { overflow-x: auto; }
}

@media (max-width: 720px) {
  .partners { padding: 72px 0; }
  .partners-track { gap: 56px; animation-duration: 28s; }
  .partners-item { height: 70px; }
  .partners-item img { max-height: 70px; max-width: 140px; }
  .partners-item[data-logo="ville-de-stains"] img { max-height: 62px; }
  .partners-item[data-logo="plaine-commune"] img    { max-height: 46px; }
  .partners-item[data-logo="caf"] img               { max-height: 60px; }
  .partners-item[data-logo="es-stains"] img         { max-height: 72px; }
  .partners-item[data-logo="as-pierrefitte"] img    { max-height: 66px; }
}

@media (max-width: 1024px) {
  :root { --section-py: 88px; --container-px: 32px; }
  .nav-inner .logo-mark { width: 80px !important; height: 80px !important; }
  .hero { padding-top: 180px; }
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { min-height: 320px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--c-line); }
  .section-head { grid-template-columns: 1fr; gap: 24px; }
  .about-context, .about-mission { grid-column: span 12; }
  .about-pillars { grid-template-columns: 1fr; }
  .pillar { border-right: none; border-bottom: 1px solid var(--c-line); padding: 32px 0 !important; }
  .pillar:last-child { border-bottom: none; }
  .b2b-cards { grid-template-columns: 1fr; }
  .b2b-pitch { grid-template-columns: 1fr; padding: 36px; }
  .news-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 64px; }
  .action { grid-template-columns: 60px 1fr; gap: 24px; }
  .action > *:nth-child(3), .action > *:nth-child(4) { grid-column: 2; }
  .action-meta { text-align: left; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-inner > .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  :root { --container-px: 24px; --section-py: 72px; }
  .nav-inner .logo-mark { width: 56px !important; height: 56px !important; }
  .hero { padding-top: 140px; }
  .hero-meta { flex-wrap: wrap; gap: 24px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-right: none !important; border-bottom: 1px solid var(--c-line); }
  .stat:last-child { border-bottom: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; }
}

/* ---------- Back-to-top (mobile) ---------- */
.back-to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--c-line);
  background: var(--c-blue, #1d3a8a);
  color: #fff;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), background 0.2s var(--ease);
  z-index: 999;
  padding: 0;
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--c-blue-dark, #4a558f); }
.back-to-top:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

@media (max-width: 900px) {
  .back-to-top { display: flex; }
}