/* ==========================================================================
   IPAAM - INSTITUT PREHISTOIRE ET ARCHEOLOGIE AM (Association Loi 1901)
   Feuille de style institutionnelle conforme aux exigences d'accessibilité WCAG AA
   ========================================================================== */

:root {
  /* Palette de couleurs institutionnelle */
  --color-navy-dark: #0F172A;
  --color-midnight-blue: #1E293B;
  --color-slate-body: #F8FAFC;
  --color-slate-card: #FFFFFF;
  --color-slate-border: #E2E8F0;
  --color-text-charcoal: #334155;
  --color-text-muted: #64748B;
  --color-text-light: #E2E8F0;
  --color-text-footer: #94A3B8;
  --color-emerald-accent: #059669;
  --color-emerald-hover: #047857;
  --color-gold-accent: #F59E0B;
  --color-teal-accent: #0D9488;

  /* Typographie */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;

  /* Espacements et géométrie */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.12);
  --max-width: 1240px;
}

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

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

body {
  background-color: var(--color-slate-body);
  color: var(--color-text-charcoal);
  font-family: var(--font-sans);
  line-height: 1.65;
  padding-top: 130px; /* Offset obligatoire pour le bandeau fixe */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typographie de base */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-midnight-blue);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.75rem;
  margin-top: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-slate-border);
}

h3 {
  font-size: 1.35rem;
  margin-top: 1.5rem;
}

p {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  color: var(--color-text-charcoal);
}

a {
  color: var(--color-teal-accent);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover, a:focus {
  color: var(--color-emerald-accent);
  text-decoration: underline;
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

/* Conteneur générique */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   NAVIGATION & EN-TÊTE INSTITUTIONNEL
   ========================================================================== */

.site-header-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
}

/* Ligne 1 : Barre d'utilité publique */
.utility-bar {
  height: 38px;
  background-color: var(--color-navy-dark);
  color: var(--color-text-light);
  font-family: var(--font-mono);
  font-size: 13px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.utility-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.utility-identifiers {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.utility-identifiers span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.utility-identifiers strong {
  color: var(--color-gold-accent);
}

.utility-link {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
}

.utility-link:hover {
  color: #FFFFFF;
  background: var(--color-emerald-accent);
  text-decoration: none;
}

/* Ligne 2 : En-tête principal fixe */
.main-header {
  width: 100%;
  background-color: var(--color-navy-dark);
  border-bottom: 3px solid var(--color-emerald-accent);
  box-shadow: var(--shadow-md);
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

/* Logo institutionnel */
.brand-block {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.brand-title {
  color: #FFFFFF;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.1;
}

.brand-subtitle {
  color: var(--color-emerald-accent);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

/* Navigation principale et menus déroulants */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0.5rem 0.85rem;
  color: var(--color-text-light);
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link:focus, .nav-item:hover > .nav-link {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}

/* Menus déroulants */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background-color: var(--color-navy-dark);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-top: 2px solid var(--color-emerald-accent);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: none;
  list-style: none;
  padding: 0.5rem 0;
  z-index: 10001;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  display: block;
}

.dropdown-link {
  display: block;
  min-height: 44px;
  padding: 0.65rem 1.25rem;
  color: var(--color-text-light);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s ease;
  line-height: 1.4;
}

.dropdown-link:hover, .dropdown-link:focus {
  background-color: var(--color-midnight-blue);
  color: #FFFFFF;
  padding-left: 1.5rem;
  border-left: 3px solid var(--color-emerald-accent);
  text-decoration: none;
}

/* Bouton CTA En-tête */
.btn-header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0.6rem 1.25rem;
  background-color: var(--color-emerald-accent);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  margin-left: 1rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-header-cta:hover, .btn-header-cta:focus {
  background-color: var(--color-emerald-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  text-decoration: none;
}

/* Toggle menu mobile */
.mobile-menu-toggle {
  display: none;
  min-height: 44px;
  min-width: 44px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  font-size: 1.25rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* ==========================================================================
   BANIÈRE HÉRO INSTITUTIONNELLE
   ========================================================================== */

.hero-banner {
  position: relative;
  min-height: 420px;
  background-color: var(--color-midnight-blue);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  color: #FFFFFF;
  margin-bottom: 3rem;
  border-bottom: 4px solid var(--color-emerald-accent);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.78);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 3rem;
  padding-bottom: 3rem;
  max-width: 900px;
}

.hero-content h1 {
  color: #FFFFFF;
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero-content .hero-subheading {
  color: var(--color-gold-accent);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  line-height: 1.4;
}

.hero-summary {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text-light);
  background: rgba(15, 23, 42, 0.6);
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--color-emerald-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* ==========================================================================
   BOUTONS & ELEMENTS D'ACTION NON-COMMERCIAUX
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0.65rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  line-height: 1.2;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-emerald-accent);
  color: #FFFFFF;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-emerald-hover);
  color: #FFFFFF;
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--color-midnight-blue);
  color: #FFFFFF;
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--color-navy-dark);
  color: #FFFFFF;
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-emerald-accent);
  color: var(--color-emerald-accent);
}

.btn-outline:hover, .btn-outline:focus {
  background-color: var(--color-emerald-accent);
  color: #FFFFFF;
  text-decoration: none;
}

.btn-outline-light {
  background-color: transparent;
  border-color: #FFFFFF;
  color: #FFFFFF;
}

.btn-outline-light:hover, .btn-outline-light:focus {
  background-color: #FFFFFF;
  color: var(--color-navy-dark);
  text-decoration: none;
}

/* ==========================================================================
   CADRES DE CONTENU & COMPOSANTS
   ========================================================================== */

.content-section {
  padding: 3rem 0;
}

.section-intro {
  max-width: 850px;
  margin-bottom: 2.5rem;
}

.section-intro h2 {
  margin-top: 0;
}

/* Boîte de mission institutionnelle (150+ mots continus) */
.mission-callout {
  background: #FFFFFF;
  border: 2px solid var(--color-emerald-accent);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin: 2.5rem 0;
  box-shadow: var(--shadow-md);
  position: relative;
}

.mission-callout::before {
  content: "DÉCLARATION DE MISSION INSTITUTIONNELLE";
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-emerald-accent);
  background: #ECFDF5;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.mission-callout p {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--color-midnight-blue);
  margin-bottom: 0;
}

/* Mentions statutaires et phrases obligatoires */
.mandatory-membership-phrase {
  background: #FEF3C7;
  border-left: 4px solid var(--color-gold-accent);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
  font-weight: 600;
  color: #78350F;
  font-size: 0.98rem;
}

/* Grille de 4 cartes (index.php) */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin: 2.5rem 0;
}

.activity-card {
  background: var(--color-slate-card);
  border: 1px solid var(--color-slate-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.activity-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 0;
}

.activity-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.activity-card-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  background: #E0F2FE;
  color: #0369A1;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
}

.activity-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-midnight-blue);
  margin-bottom: 0.85rem;
  line-height: 1.3;
}

.activity-card-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-charcoal);
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

/* Dashboard Métrique */
.metric-dashboard {
  background: var(--color-midnight-blue);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  margin: 3rem 0;
  box-shadow: var(--shadow-lg);
}

.metric-dashboard h2 {
  color: #FFFFFF;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  margin-top: 0;
  padding-bottom: 1rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.metric-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-gold-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-label {
  font-size: 0.88rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

/* Galerie documentaire (3 images) */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 2.5rem 0;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease;
}

.gallery-item img:hover {
  transform: scale(1.02);
}

/* Disposition avec barre latérale */
.layout-with-sidebar {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin: 2.5rem 0;
}

.main-column {
  min-width: 0;
}

.sidebar-column {
  min-width: 0;
}

.sidebar-card {
  background: #FFFFFF;
  border: 1px solid var(--color-slate-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-card h3 {
  margin-top: 0;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-slate-border);
}

/* Tableaux institutionnels */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--color-slate-border);
  border-radius: var(--radius-md);
  background: #FFFFFF;
}

.institutional-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.institutional-table th {
  background-color: var(--color-midnight-blue);
  color: #FFFFFF;
  padding: 0.85rem 1rem;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.institutional-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-slate-border);
  color: var(--color-text-charcoal);
}

.institutional-table tr:hover td {
  background-color: #F1F5F9;
}

/* Frise chronologique (fondations.php) */
.timeline {
  position: relative;
  padding-left: 2.5rem;
  margin: 2.5rem 0;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0.75rem;
  width: 3px;
  background-color: var(--color-emerald-accent);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  background: #FFFFFF;
  border: 1px solid var(--color-slate-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 1.5rem;
  left: -2.3rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-gold-accent);
  border: 3px solid var(--color-navy-dark);
}

.timeline-year {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-emerald-accent);
  margin-bottom: 0.5rem;
}

/* Formulaires de contact / adhésion bénévole */
.institutional-form {
  background: #FFFFFF;
  border: 1px solid var(--color-slate-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  margin: 2rem 0;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: var(--color-midnight-blue);
}

.form-control {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-slate-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text-charcoal);
  background-color: #FFFFFF;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-emerald-accent);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-notice {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* Blocs d'images documentaires dans le texte */
.article-image-block {
  margin: 2rem 0;
}

.article-image-block img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   PIED DE PAGE INSTITUTIONNEL
   ========================================================================== */

.site-footer {
  background-color: var(--color-navy-dark);
  color: var(--color-text-footer);
  padding: 60px 20px 30px 20px;
  border-top: 4px solid var(--color-emerald-accent);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto 40px auto;
}

.footer-col h3 {
  color: #FFFFFF;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-col p {
  color: var(--color-text-footer);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

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

.footer-col li {
  margin-bottom: 0.6rem;
}

.footer-col a {
  color: var(--color-text-footer);
  text-decoration: none;
  transition: color 0.15s ease, padding-left 0.15s ease;
  display: inline-block;
  min-height: 28px;
  line-height: 28px;
}

.footer-col a:hover, .footer-col a:focus {
  color: var(--color-teal-accent);
  padding-left: 4px;
  text-decoration: none;
}

.footer-base-banner {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 25px;
  text-align: center;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--color-text-footer);
  max-width: 1100px;
  margin: 0 auto;
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVE BREAKPOINTS)
   ========================================================================== */

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .layout-with-sidebar {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-content h1 {
    font-size: 2.25rem;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 140px;
  }

  .utility-bar {
    height: auto;
    padding: 6px 0;
  }

  .utility-bar .container {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }

  .utility-identifiers {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-navy-dark);
    flex-direction: column;
    align-items: stretch;
    display: none;
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .main-nav.is-open {
    display: flex;
  }

  .nav-menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    border-radius: 0;
  }

  .dropdown-menu {
    position: static;
    display: none;
    background-color: rgba(0, 0, 0, 0.25);
    border: none;
    border-left: 3px solid var(--color-emerald-accent);
    border-radius: 0;
    box-shadow: none;
    padding: 0.25rem 0;
  }

  .nav-item.is-open .dropdown-menu {
    display: block;
  }

  .btn-header-cta {
    margin: 1rem 1.5rem 0.5rem 1.5rem;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

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

  .hero-content h1 {
    font-size: 1.85rem;
  }

  .hero-content .hero-subheading {
    font-size: 1.05rem;
  }

  .hero-summary {
    font-size: 1rem;
    padding: 1rem;
  }
}