/* ==========================================================================
   Alsace Solidarité — Design system
   Premium institutional · Documentary · Timeless
   ========================================================================== */

:root {
  /* Charte Alsace Solidarité — version finale */
  --color-institutional: #1f3a5f;
  --color-secondary: #4a90e2;
  --color-off-white: #f7f7f5;
  --color-text: #5a5a5a;
  --color-sand: #d8c3a5;
  /* Alias sémantiques (compatibilité avec le reste des styles) */
  --color-navy: var(--color-institutional);
  --color-blue: var(--color-institutional);
  --color-blue-mid: #35608a;
  --color-blue-soft: var(--color-secondary);
  --color-slate: var(--color-text);
  --color-stone: #7a7a7a;
  --color-mist: #e6e6e4;
  --color-snow: var(--color-off-white);
  --color-white: #ffffff;
  --color-sand-light: #ebe4dc;
  --color-accent: var(--color-secondary);
  --color-accent-hover: #3a7bc8;

  /* Typographie — Inter (charte) + titre institutionnel */
  --font-display: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-hero-institutional: "Cormorant Garamond", "Times New Roman", serif;

  /* Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1.0625rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.75rem;
  --text-4xl: 3.5rem;
  --text-hero: clamp(2.5rem, 6vw, 4.25rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Layout */
  --container: min(72rem, calc(100% - 2.5rem));
  --header-h: 5rem;

  /* Effects */
  --shadow-soft: 0 4px 24px rgba(31, 58, 95, 0.08);
  --shadow-card: 0 12px 40px rgba(31, 58, 95, 0.1);
  --radius: 2px;
  --radius-lg: 4px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-off-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-blue-mid);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-navy);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em;
  color: var(--color-institutional);
}

p {
  margin: 0 0 var(--space-md);
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Accessibilité */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--color-navy);
  color: var(--color-white);
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* Container */
.container {
  width: var(--container);
  margin-inline: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.2s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--color-blue-soft);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-light {
  background: var(--color-white);
  color: var(--color-blue);
  border-color: var(--color-white);
}

.btn-light:hover {
  background: var(--color-snow);
  color: var(--color-navy);
}

.btn-accent {
  background: var(--color-sand);
  color: var(--color-navy);
  border-color: var(--color-sand);
}

.btn-accent:hover {
  background: var(--color-sand-light);
  border-color: var(--color-sand-light);
  color: var(--color-navy);
}

.btn-ghost-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-ghost-light:hover {
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-lg {
  padding: 1.1rem 2.25rem;
  font-size: var(--text-sm);
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--transition-slow), box-shadow var(--transition-slow), backdrop-filter var(--transition-slow);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
}

.site-header.is-scrolled .nav-list a {
  color: var(--color-navy);
  font-weight: 500;
  letter-spacing: 0.035em;
}

.site-header.is-scrolled .nav-list a:hover,
.site-header.is-scrolled .nav-list a.is-active {
  color: var(--color-blue-mid);
}

.site-header.is-scrolled .nav-toggle-bar {
  background: var(--color-navy);
}

/* Accueil — bandeau blanc dès l’arrivée (même rendu qu’au scroll) */
body[data-page="accueil"] .site-header {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
}

body[data-page="accueil"] .site-header .nav-list a {
  color: var(--color-navy);
  font-weight: 500;
  letter-spacing: 0.035em;
}

body[data-page="accueil"] .site-header .nav-list a:hover,
body[data-page="accueil"] .site-header .nav-list a.is-active {
  color: var(--color-blue-mid);
}

body[data-page="accueil"] .site-header .nav-toggle-bar {
  background: var(--color-navy);
}

body[data-page="accueil"] .site-header .logo-img--header-principal-only {
  max-height: clamp(2.65rem, 4.8vw, 3.45rem);
  max-width: min(15rem, 52vw);
}

@media (min-width: 1100px) {
  body[data-page="accueil"] .site-header .logo-img--header-principal-only {
    max-height: clamp(2.85rem, 3.8vw, 3.65rem);
    max-width: min(16rem, 34vw);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--container);
  height: 100%;
  margin-inline: auto;
}

.logo {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
}

.logo-img {
  display: block;
  width: auto;
  height: 2.75rem;
  max-width: min(200px, 42vw);
  object-fit: contain;
  object-position: left center;
  transition: opacity var(--transition);
}

/* Accueil — logo principal seul (sans compact parasite à côté) */
.logo-img--header-principal-only {
  height: auto;
  max-height: clamp(3.1rem, 7.5vw, 4.65rem);
  max-width: min(18rem, 86vw);
  width: auto;
  object-fit: contain;
  object-position: left center;
}

.site-header.is-scrolled .logo-img--header-principal-only {
  max-height: clamp(2.65rem, 4.8vw, 3.45rem);
  max-width: min(15rem, 52vw);
}

@media (min-width: 1100px) {
  .logo-img--header-principal-only {
    max-height: clamp(3.35rem, 5.5vw, 4.85rem);
    max-width: min(20rem, 38vw);
  }

  .site-header.is-scrolled .logo-img--header-principal-only {
    max-height: clamp(2.85rem, 3.8vw, 3.65rem);
    max-width: min(16rem, 34vw);
  }
}

/* Logo mot complet — proportions institutionnelles */
.logo-img--wordmark {
  height: auto;
  max-height: 2.85rem;
  max-width: min(13.5rem, 72vw);
  width: auto;
}

.site-header.is-scrolled .logo-img--wordmark {
  max-height: 2.65rem;
  max-width: min(12.5rem, 58vw);
}

@media (min-width: 900px) {
  .logo-img--wordmark {
    max-height: 3.15rem;
    max-width: min(15rem, 28vw);
  }

  .site-header.is-scrolled .logo-img--wordmark {
    max-height: 2.85rem;
    max-width: min(14rem, 22vw);
  }
}

/* Sur le hero : version claire ; au scroll : version foncée */
.logo-img--dark {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.logo-img--light {
  opacity: 1;
}

.site-header.is-scrolled .logo-img--light {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header.is-scrolled .logo-img--dark {
  position: static;
  width: auto;
  height: 2.75rem;
  max-width: min(200px, 42vw);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

.site-header.is-scrolled .logo-img--dark.logo-img--wordmark {
  height: auto;
}

/* Logo principal PNG : ne pas appliquer le masquage « swap » réservé au duo compact clair / compact foncé */
.logo-img.logo-img--mark-principal.logo-img--dark {
  position: static;
  width: auto;
  height: auto;
  max-height: clamp(2.35rem, 5.5vw, 3.15rem);
  max-width: min(13.5rem, 48vw);
  margin: 0;
  padding: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  object-fit: contain;
}

.site-header.is-scrolled .logo-img--mark-principal.logo-img--dark {
  max-height: clamp(2.15rem, 3.8vw, 2.95rem);
  max-width: min(12.5rem, 40vw);
}

.logo-img--compact-hero {
  height: clamp(1.85rem, 3.2vw, 2.35rem);
  max-width: min(9.5rem, 38vw);
}

.nav-link-assoc {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  line-height: 1.18;
  text-align: center;
}

.nav-list > li:has(.nav-link-assoc) {
  align-self: center;
}

.nav-link-assoc__line {
  display: block;
}

@media (max-width: 640px) {
  .nav-link-assoc {
    align-items: center;
    text-align: center;
  }
}

.logo--footer .logo-img--footer {
  height: 4.5rem;
  max-width: min(280px, 52vw);
}

.logo--footer .logo-img--footer-wordmark {
  height: auto;
  max-height: 4.75rem;
  max-width: min(20rem, 92vw);
  width: auto;
  display: block;
}

@media (min-width: 768px) {
  .logo--footer .logo-img--footer-wordmark {
    max-height: 5.25rem;
    max-width: min(24rem, 100%);
  }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.35rem;
  justify-content: flex-end;
}

.nav-list a {
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.3;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.92);
  transition: color var(--transition), opacity var(--transition);
}

@media (min-width: 1100px) {
  .nav-list a {
    font-size: 1rem;
    letter-spacing: 0.045em;
  }
}

.nav-list a:hover,
.nav-list a.is-active {
  color: var(--color-white);
}

.btn-nav {
  padding: 0.65rem 1.25rem;
  font-size: 0.7rem;
}

.site-header.is-scrolled .btn-nav {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: var(--color-white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 1.5rem;
  height: 1.5px;
  background: var(--color-white);
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.site-header.is-scrolled .nav-toggle-bar {
  background: var(--color-navy);
}

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

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  color: var(--color-white);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(31, 58, 95, 0.92) 0%,
    rgba(31, 58, 95, 0.45) 45%,
    rgba(31, 58, 95, 0.25) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: calc(var(--header-h) + var(--space-xl)) 0 var(--space-3xl);
  max-width: 42rem;
}

.hero-content--accueil {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  max-width: min(52rem, 100%);
  padding-top: calc(var(--header-h) + var(--space-2xl));
  padding-bottom: calc(var(--space-3xl) + 3rem);
}

.hero-title--institutional {
  font-family: var(--font-hero-institutional);
  font-size: clamp(3rem, 10vw, 5.75rem);
  font-weight: 600;
  font-style: normal;
  line-height: 1.02;
  letter-spacing: 0.02em;
  color: var(--color-white);
  margin: 0;
  text-shadow: 0 2px 48px rgba(0, 0, 0, 0.35), 0 1px 0 rgba(31, 58, 95, 0.2);
  max-width: 18ch;
}

.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: 500;
  line-height: 1.08;
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.hero-title em {
  font-style: italic;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.95);
}

.hero-lead {
  font-size: var(--text-lg);
  font-weight: 300;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color var(--transition);
}

.hero-scroll:hover {
  color: var(--color-white);
}

.hero-scroll-line {
  width: 1px;
  height: 3rem;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Hero accueil — traitement premium (profondeur, typo, micro-mouvement) */
.hero--premium .hero-media img {
  transform: scale(1.03);
  animation: hero-ken 28s ease-in-out infinite alternate;
}

@keyframes hero-ken {
  0% { transform: scale(1.03) translate(0, 0); }
  100% { transform: scale(1.07) translate(-0.6%, -0.35%); }
}

.hero-overlay--premium {
  background:
    linear-gradient(120deg, rgba(8, 22, 42, 0.55) 0%, transparent 42%),
    linear-gradient(to top, rgba(10, 28, 52, 0.94) 0%, rgba(22, 48, 78, 0.55) 38%, rgba(31, 58, 95, 0.2) 100%),
    radial-gradient(90% 65% at 18% 88%, rgba(196, 168, 130, 0.12) 0%, transparent 55%);
}

.hero-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.25);
}

.hero-brandline {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  margin: 0 0 0.85rem;
}

.hero-title--premium {
  font-family: var(--font-hero-institutional), var(--font-display);
  font-size: clamp(3.15rem, 9.5vw, 6.25rem);
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 0.98;
  margin: 0;
  color: #f4f7fb;
  text-shadow:
    0 1px 0 rgba(15, 40, 71, 0.35),
    0 18px 56px rgba(0, 0, 0, 0.42);
}

.hero-title__text {
  display: inline-block;
  animation: hero-title-in 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes hero-title-in {
  from {
    opacity: 0;
    transform: translateY(0.65rem);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.hero-rule {
  display: block;
  width: min(12rem, 42vw);
  height: 3px;
  margin-top: 1.35rem;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(232, 208, 178, 0.95), rgba(74, 123, 167, 0.85), transparent);
  animation: hero-rule-in 1.2s 0.15s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes hero-rule-in {
  from {
    opacity: 0;
    transform: scaleX(0.2);
    transform-origin: left;
  }
  to {
    opacity: 1;
    transform: scaleX(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero--premium .hero-media img,
  .hero-title__text,
  .hero-rule {
    animation: none !important;
  }

  .hero--premium .hero-media img {
    transform: none;
  }
}

.accueil {
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.accueil-inner {
  max-width: 42rem;
}

.accueil-prose__heading {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--color-navy);
  margin: 0 0 var(--space-md);
  line-height: 1.25;
}

.accueil-prose p {
  font-size: var(--text-base);
  line-height: 1.78;
  color: var(--color-text);
}

.accueil-list {
  list-style: disc;
  padding-left: 1.35rem;
  margin: 0 0 var(--space-lg);
}

.accueil-list li {
  margin-bottom: 0.35rem;
  padding-left: 0.15rem;
}

.accueil-figure {
  margin: var(--space-xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-mist);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.accueil-figure__img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
}

.accueil-figure--carte {
  position: relative;
  box-sizing: border-box;
  max-width: 100%;
  margin-inline: auto;
  overflow: hidden;
  border-radius: 0.5rem;
  background: var(--color-snow);
  padding: clamp(0.75rem, 2.5vw, 1.15rem);
}

.accueil-figure--carte .accueil-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  max-height: min(28rem, 72vh);
  object-fit: contain;
  object-position: center;
}

.accueil-break {
  width: 100%;
  max-width: 36rem;
  margin: var(--space-xl) auto;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-mist);
  background: var(--color-snow);
  box-shadow: var(--shadow-soft);
}

.accueil-break img {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(16rem, 38vh);
  object-fit: cover;
  object-position: center;
}

.accueil-break--duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  max-width: min(52rem, 100%);
  padding: var(--space-md);
  background: var(--color-snow);
}

.accueil-break--duo .accueil-break__item {
  margin: 0;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) - 2px);
  border: 1px solid var(--color-mist);
}

.accueil-break--duo img {
  max-height: min(15rem, 36vh);
  object-position: center 42%;
}

.accueil-figure--eau {
  max-width: 24rem;
  margin-inline: auto;
}

.accueil-figure--eau .accueil-figure__img {
  width: 100%;
  height: auto;
  max-height: min(18rem, 42vh);
  object-fit: cover;
  object-position: center 38%;
}

@media (max-width: 767px) {
  .accueil-break {
    max-width: 100%;
  }

  .accueil-break img {
    max-height: min(13rem, 32vh);
  }

  .accueil-break--duo {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
    padding: var(--space-sm);
  }

  .accueil-break--duo img {
    max-height: min(14rem, 34vh);
  }

  .accueil-figure--carte .accueil-figure__img {
    max-height: min(22rem, 58vh);
  }

  .accueil-figure--eau {
    max-width: 100%;
  }

  .accueil-figure--eau .accueil-figure__img {
    max-height: min(15rem, 36vh);
  }
}

/* ==========================================================================
   Sections — shared
   ========================================================================== */

.section {
  padding: var(--space-3xl) 0;
}

.section-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-blue-soft);
  margin-bottom: var(--space-sm);
}

.section-eyebrow--light {
  color: rgba(255, 255, 255, 0.7);
}

.section-title {
  font-size: clamp(2rem, 4vw, var(--text-3xl));
  color: var(--color-navy);
  margin-bottom: var(--space-md);
}

.section-title--light {
  color: var(--color-white);
}

.section-lead {
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--color-slate);
  line-height: 1.6;
}

.section-lead--light {
  color: rgba(255, 255, 255, 0.85);
}

.section-lead--narrow {
  max-width: 36rem;
  margin-inline: auto;
}

.section-header {
  margin-bottom: var(--space-xl);
}

.section-header--center {
  text-align: center;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-blue);
}

.link-arrow::after {
  content: "→";
  transition: transform var(--transition);
}

.link-arrow:hover::after {
  transform: translateX(4px);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Intro
   ========================================================================== */

.intro {
  background: var(--color-white);
  margin-top: -2.25rem;
  border-radius: 1.25rem 1.25rem 0 0;
  position: relative;
  z-index: 2;
  box-shadow: 0 -8px 40px rgba(31, 58, 95, 0.06);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.intro-visual {
  margin: 0;
  position: relative;
}

.intro-visual img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.intro-visual img.intro-visual-img--carte {
  object-position: 42% center;
}

.intro-caption {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.95);
  font-size: var(--text-sm);
  font-style: italic;
  font-family: var(--font-display);
  color: var(--color-slate);
  border-radius: var(--radius);
}

/* ==========================================================================
   Project highlight
   ========================================================================== */

.project-highlight {
  position: relative;
  padding: var(--space-3xl) 0;
  overflow: hidden;
}

.project-highlight-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.project-highlight-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-highlight-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(31, 58, 95, 0.94) 0%, rgba(31, 58, 95, 0.85) 55%, rgba(74, 144, 226, 0.45) 100%);
}

.project-highlight-content {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-start;
}

.project-card {
  max-width: 36rem;
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
}

.project-pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--space-lg) 0;
}

.project-pillars li {
  padding: 0.4rem 0.9rem;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
}

/* ==========================================================================
   Figures
   ========================================================================== */

.figures {
  background: var(--color-snow);
}

.figures-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.figure-card {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  text-align: center;
  border-top: 3px solid var(--color-blue-soft);
}

.figure-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 600;
  color: var(--color-blue);
  line-height: 1;
}

.figure-unit {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin: 0.25rem 0 var(--space-sm);
}

.figure-label {
  font-size: var(--text-sm);
  color: var(--color-slate);
  line-height: 1.5;
  margin: 0;
}

.figures-note {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-stone);
  margin: 0;
}

/* ==========================================================================
   Storytelling gallery
   ========================================================================== */

.storytelling {
  padding-bottom: var(--space-2xl);
}

.story-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 0.5rem;
  max-width: 90rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.story-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  min-height: 16rem;
}

.story-item--large {
  grid-row: span 2;
  min-height: 32rem;
}

.story-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: inherit;
  transition: transform 8s ease;
}

.story-item:hover img {
  transform: scale(1.04);
}

.story-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  background: linear-gradient(to top, rgba(31, 58, 95, 0.85) 0%, transparent 60%);
  color: var(--color-white);
}

.story-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-white);
}

.story-overlay p {
  font-size: var(--text-sm);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  max-width: 28rem;
}

/* ==========================================================================
   Dual identity
   ========================================================================== */

.dual-identity {
  background: var(--color-white);
  border-block: 1px solid var(--color-mist);
}

.dual-identity-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.identity-block {
  text-align: center;
  padding: var(--space-lg);
}

.identity-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto var(--space-md);
  color: var(--color-blue-mid);
}

.identity-icon svg {
  width: 100%;
  height: 100%;
}

.identity-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.identity-block p {
  font-size: var(--text-base);
  color: var(--color-slate);
  margin: 0;
  max-width: 22rem;
  margin-inline: auto;
}

.identity-divider {
  width: 1px;
  min-height: 8rem;
  background: linear-gradient(to bottom, transparent, var(--color-mist), transparent);
  align-self: center;
}

/* ==========================================================================
   CTA Don
   ========================================================================== */

.cta-don {
  background: var(--color-blue);
  padding: var(--space-2xl) 0;
}

.cta-don-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.cta-don-content {
  flex: 1;
  min-width: 18rem;
  max-width: 36rem;
}

.cta-don-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ==========================================================================
   Partners
   ========================================================================== */

.partners {
  background: var(--color-snow);
}

.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-md);
}

.partner-item {
  flex: 0 1 auto;
}

.partner-logo-wrap {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-lg);
}

.partner-logo {
  display: block;
  height: auto;
  width: auto;
  max-width: 7.5rem;
  max-height: 5.5rem;
}

.partner-logo--wide {
  max-width: 12.5rem;
  max-height: 4.25rem;
}

.partner-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 10rem;
  min-height: 4rem;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-stone);
  background: var(--color-white);
  border: 1px dashed var(--color-mist);
  border-radius: var(--radius-lg);
  letter-spacing: 0.02em;
}

.partners-note {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-stone);
  font-style: italic;
  margin: 0;
}

/* ==========================================================================
   News teaser
   ========================================================================== */

.news-teaser .section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-md);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.news-card {
  padding: var(--space-lg);
  background: var(--color-snow);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-blue-soft);
  transition: box-shadow var(--transition);
}

.news-card:hover {
  box-shadow: var(--shadow-soft);
}

.news-date {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-sm);
}

.news-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.news-card p {
  font-size: var(--text-base);
  color: var(--color-slate);
  margin-bottom: var(--space-md);
}

.news-link {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--color-blue);
}

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

.site-footer {
  background: linear-gradient(165deg, #1a3354 0%, var(--color-navy) 42%, #162d4a 100%);
  color: rgba(255, 255, 255, 0.82);
  padding-top: var(--space-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .logo {
  margin-bottom: 0;
}

.footer-brand-panel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-xl);
  margin-bottom: var(--space-md);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 0.75rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  max-width: 100%;
}

.footer-brand-panel .logo--footer {
  display: block;
}

.footer-brand-panel .logo--footer:hover {
  opacity: 0.95;
}

.footer-brand-panel--light {
  background: #ffffff;
  border: 1px solid var(--color-mist);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
}

.logo-img--footer-principal {
  display: block;
  height: auto;
  max-height: clamp(3.25rem, 8vw, 4.75rem);
  max-width: min(18rem, 88vw);
  width: auto;
  margin: 0 auto;
  object-fit: contain;
}

.footer-mission {
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  line-height: 1.6;
  max-width: 20rem;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.footer-heading {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-md);
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--text-sm);
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0 var(--space-lg);
  font-size: var(--text-sm);
}

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: var(--text-sm);
}

.footer-legal a:hover {
  color: var(--color-white);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .figures-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .story-grid {
    grid-template-columns: 1fr 1fr;
  }

  .story-item--large {
    grid-column: span 2;
    grid-row: span 1;
    min-height: 20rem;
  }
}

@media (max-width: 899px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 110;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-lg);
    padding: var(--space-lg);
    padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom, 0px));
    background: var(--color-white);
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .nav-list li {
    width: 100%;
    border-bottom: 1px solid var(--color-mist);
  }

  .nav-list a {
    display: block;
    padding: var(--space-md) 0;
    color: var(--color-navy) !important;
    font-size: var(--text-base);
  }

  .btn-nav {
    width: 100%;
    justify-content: center;
  }

  body.nav-open {
    overflow: hidden;
  }

  body.nav-open .site-header {
    background: var(--color-white);
    backdrop-filter: none;
  }

  body.nav-open .logo-img--light {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

  body.nav-open .logo-img--dark {
    position: static;
    width: auto;
    height: 2.75rem;
    max-width: min(200px, 42vw);
    clip: auto;
    overflow: visible;
  }

  body.nav-open .logo-img--dark.logo-img--wordmark {
    height: auto;
    max-height: 2.5rem;
    max-width: min(11rem, 58vw);
  }

  body.nav-open .logo-img--mark-principal.logo-img--dark {
    height: auto;
    max-height: 2.65rem;
    max-width: min(12.5rem, 58vw);
  }

  body.nav-open .logo-img--header-principal-only {
    max-height: 2.75rem;
    max-width: min(15rem, 72vw);
  }

  body.nav-open .nav-toggle-bar {
    background: var(--color-navy);
  }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 5rem;
    --space-2xl: 4rem;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .intro-visual {
    order: -1;
  }

  .dual-identity-grid {
    grid-template-columns: 1fr;
  }

  .identity-divider {
    width: 100%;
    height: 1px;
    min-height: 0;
  }

  .story-grid {
    grid-template-columns: 1fr;
  }

  .story-item--large {
    grid-column: span 1;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    grid-template-columns: 1fr;
  }

  .cta-don-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-scroll {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .figures-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-scroll-line {
    animation: none;
  }

  .story-item img {
    transition: none;
  }
}

/* Accueil — ambition + maillage (réutilise le langage des pages intérieures) */
.accueil-crosslinks {
  margin-top: var(--space-lg);
  font-size: var(--text-sm);
}

.accueil-crosslinks a {
  color: var(--color-navy);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.accueil-crosslinks a:hover {
  border-bottom-color: currentColor;
}

.ambition-spotlight--page {
  margin: var(--space-xl) 0 var(--space-lg);
  padding: var(--space-lg) clamp(var(--space-md), 3vw, var(--space-xl));
  border-radius: 0.75rem;
  background:
    linear-gradient(135deg, rgba(26, 58, 92, 0.08) 0%, transparent 45%),
    linear-gradient(180deg, #ffffff 0%, #eef3f9 100%);
  border: 1px solid rgba(31, 58, 95, 0.14);
}

.ambition-spotlight--page h2 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-hero-institutional), var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--color-navy);
}

.ambition-spotlight--page p {
  margin: 0;
  max-width: 40rem;
  color: var(--color-slate);
  line-height: 1.65;
}