/* ========================================
   MDS RECHERCHE — Design Tokens & Styles
   Modern & Engaged academic research site
   ======================================== */

:root {
  /* Type Scale (fluid) */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  /* Spacing (4px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts — DM Sans */
  --font-display: 'DM Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* ======== LIGHT MODE (default) ======== */
:root, [data-theme="light"] {
  --color-bg: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-surface-2: #F5F5F2;
  --color-border: #E5E3DE;
  --color-divider: #EDEBE6;

  --color-text: #2c2a2a;
  --color-text-muted: #6B6B6B;
  --color-text-faint: #A0A0A0;
  --color-text-inverse: #FFFFFF;

  /* MDS palette: dark near-black primary + lime green accent */
  --color-primary: #2c2a2a;
  --color-primary-hover: #1a1919;
  --color-primary-light: #F0F0ED;

  --color-accent: #a8be17;
  --color-accent-hover: #96ab10;
  --color-accent-light: #F5F8E6;

  --color-success: #437A22;
  --color-warning: #964219;

  --shadow-sm: 0 1px 3px rgba(44,42,42,0.06);
  --shadow-md: 0 4px 12px rgba(44,42,42,0.08);
  --shadow-lg: 0 12px 32px rgba(44,42,42,0.12);
}

/* ======== DARK MODE ======== */
[data-theme="dark"] {
  --color-bg: #1a1919;
  --color-surface: #222120;
  --color-surface-2: #2c2b2a;
  --color-border: #3d3c3a;
  --color-divider: #333231;

  --color-text: #E5E5E3;
  --color-text-muted: #9A9A98;
  --color-text-faint: #6A6A68;
  --color-text-inverse: #1a1919;

  --color-primary: #E5E5E3;
  --color-primary-hover: #FFFFFF;
  --color-primary-light: #2c2b2a;

  --color-accent: #c4d64a;
  --color-accent-hover: #d4e46a;
  --color-accent-light: #2a2c1e;

  --color-success: #6DAA45;
  --color-warning: #BB653B;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #1a1919;
    --color-surface: #222120;
    --color-surface-2: #2c2b2a;
    --color-border: #3d3c3a;
    --color-divider: #333231;
    --color-text: #E5E5E3;
    --color-text-muted: #9A9A98;
    --color-text-faint: #6A6A68;
    --color-text-inverse: #1a1919;
    --color-primary: #E5E5E3;
    --color-primary-hover: #FFFFFF;
    --color-primary-light: #2c2b2a;
    --color-accent: #c4d64a;
    --color-accent-hover: #d4e46a;
    --color-accent-light: #2a2c1e;
    --color-success: #6DAA45;
    --color-warning: #BB653B;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
  }
}

/* ======== GLOBAL ======== */
body {
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover { color: var(--color-primary-hover); }

/* ======== HEADER ======== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 0.3s var(--ease-out);
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}
.logo-link svg {
  width: 40px;
  height: 40px;
}
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.logo-text span {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.main-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--color-text);
  background: var(--color-surface-2);
}
.main-nav a.active {
  color: var(--color-primary);
  font-weight: 600;
}

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

.lang-toggle {
  display: flex;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.lang-toggle button {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition: all var(--transition-interactive);
}
.lang-toggle button.active {
  background: var(--color-accent);
  color: #2c2a2a;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* Mobile hamburger */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
}
.mobile-menu-btn svg { width: 24px; height: 24px; }

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-4);
    gap: var(--space-1);
    box-shadow: var(--shadow-md);
  }
  .main-nav.open { display: flex; }
  .main-nav a { width: 100%; padding: var(--space-3); }
  .mobile-menu-btn { display: flex; }
}

/* ======== HERO ======== */
.hero {
  position: relative;
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-4);
  overflow: hidden;
  background: linear-gradient(135deg, #2c2a2a 0%, #3d3c3a 50%, #2c2a2a 100%);
  color: #fff;
  min-height: 45vh;
  display: flex;
  align-items: center;
}
.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: 0.32;
  z-index: 0;
}
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    radial-gradient(circle at 20% 30%, #fff 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, #fff 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, #fff 0.5px, transparent 0.5px);
  background-size: 60px 60px, 80px 80px, 40px 40px;
  z-index: 1;
}
.hero-content {
  max-width: var(--content-wide);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-text h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}
.hero-text h1 em {
  font-style: normal;
  color: var(--color-accent);
  display: inline;
}
.hero-subtitle {
  font-size: var(--text-lg);
  line-height: 1.5;
  opacity: 0.9;
  margin-bottom: var(--space-8);
  max-width: 52ch;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-accent);
  color: #2c2a2a;
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.hero-cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  color: #2c2a2a;
}
.hero-cta svg { width: 18px; height: 18px; }

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.stat-card {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
}
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--space-1);
}
.stat-label {
  font-size: var(--text-xs);
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

@media (max-width: 768px) {
  .hero { min-height: auto; padding: var(--space-12) var(--space-4); }
  .hero-content { grid-template-columns: 1fr; gap: var(--space-8); text-align: center; }
  .hero-subtitle { margin-inline: auto; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
}

/* ======== SECTION DEFAULTS ======== */
.section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-4);
}
.section-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.section-header {
  margin-bottom: var(--space-10);
}
.section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-top: var(--space-3);
}

/* ======== SECTION IMAGE (narrower + taller bandeau) ======== */
.section-image {
  display: block;
  max-width: 900px;
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  margin: var(--space-10) auto var(--space-10) 0;
}

/* ======== ACCUEIL CONTENT SECTIONS ======== */
.content-section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-4);
}
.content-section:nth-child(even) {
  background: var(--color-surface-2);
}
.content-section-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.content-section-inner .section-label {
  margin-bottom: var(--space-3);
}
.content-section-inner h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
}
.content-section-inner p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  max-width: 80ch;
}
.content-section-inner p:last-child {
  margin-bottom: 0;
}
.content-section-inner ul {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0 0;
}
.content-section-inner ul li {
  position: relative;
  padding-left: var(--space-6);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}
.content-section-inner ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

/* ======== IDENTITY BLOCKS (2015, Toulouse, UNESCO, Europe) ======== */
.mission-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
.mission-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.mission-text p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.mission-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.mission-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
}
.mission-block .block-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}
.mission-block .block-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (max-width: 768px) {
  .mission-layout { grid-template-columns: 1fr; gap: var(--space-8); }
}

/* ======== THEMES GRID (Home page) ======== */
.themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-6);
}
.theme-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.theme-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.theme-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: 1.5rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.theme-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.theme-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ======== PROJECTS ======== */
.projects-grid {
  display: grid;
  gap: var(--space-6);
}
.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-5);
  align-items: start;
  transition: box-shadow var(--transition-interactive);
}
.project-card:hover { box-shadow: var(--shadow-md); }
.project-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.project-badge.erasmus { background: #E3F2FD; color: #3ba9e0; }
.project-badge.cerv { background: #F3E5F5; color: #7e3aea; }
.project-badge.horizon { background: #E8F5E9; color: #437A22; }
.project-badge.dgcs { background: #FFF3E0; color: #e4421a; }
.project-badge.isp { background: #E0F7FA; color: #3ba9e0; }
.project-badge.isf { background: #E0F7FA; color: #3ba9e0; }

[data-theme="dark"] .project-badge.erasmus { background: #1A2D3E; color: #5bb8e8; }
[data-theme="dark"] .project-badge.cerv { background: #2A1F3E; color: #B39DDB; }
[data-theme="dark"] .project-badge.horizon { background: #1A2E1A; color: #6DAA45; }
[data-theme="dark"] .project-badge.dgcs { background: #2E1F1A; color: #F07A5C; }
[data-theme="dark"] .project-badge.isp { background: #1A2E2E; color: #5BC0C0; }
[data-theme="dark"] .project-badge.isf { background: #1A2E2E; color: #5BC0C0; }

.project-info h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}
.project-info .project-full-name {
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  font-weight: 500;
}
.project-info p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.project-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.project-link {
  align-self: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition-interactive), color var(--transition-interactive);
}
.project-link:hover {
  background: var(--color-surface-2);
  color: var(--color-primary);
}
.project-link svg { width: 18px; height: 18px; }

@media (max-width: 768px) {
  .project-card {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  .project-link { justify-self: start; }
}

/* ======== TEAM ======== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: var(--space-6);
}
.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.team-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  overflow: hidden;
}
.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-full);
}
.team-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.team-role {
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.team-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.team-email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-primary);
}
.team-section-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  margin-top: var(--space-10);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}

/* ======== CONTACT ======== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}
.contact-info h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.contact-info p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.contact-item-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.contact-item-icon svg { width: 20px; height: 20px; }
.contact-item-text { font-size: var(--text-sm); color: var(--color-text); line-height: 1.5; }
.contact-item-text strong { display: block; font-weight: 600; margin-bottom: var(--space-1); }
.contact-email-link { color: var(--color-primary); text-decoration: none; }
.contact-email-link:hover { color: var(--color-accent); }

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.contact-form h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-6);
}
.form-group {
  margin-bottom: var(--space-5);
}
.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-sm);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
  outline: none;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.form-submit:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .contact-layout { grid-template-columns: 1fr; }
}

/* ======== PAGE HERO (inner pages) ======== */
.page-hero {
  background: #2c2a2a;
  color: #fff;
  padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-4);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.05) 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 60px 60px, 80px 80px;
}
.page-hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  z-index: 0;
}
.page-hero-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}
.page-hero p {
  font-size: var(--text-base);
  opacity: 0.85;
  max-width: 55ch;
}

/* ======== FOOTER ======== */
.site-footer {
  margin-top: auto;
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-10) var(--space-4) var(--space-6);
}
.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}
.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 36ch;
  margin-top: var(--space-3);
}
.footer-nav h4 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.footer-nav ul { list-style: none; }
.footer-nav li { margin-bottom: var(--space-2); }
.footer-nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-nav a:hover { color: var(--color-text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer-bottom a {
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-bottom a:hover { color: var(--color-text-muted); }

@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr; gap: var(--space-6); }
}

/* ======== SCROLL ANIMATIONS ======== */
.fade-in { opacity: 1; }
@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}
@keyframes reveal-fade { to { opacity: 1; } }

/* ======== PROJECT FILTERS ======== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}
.filter-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition-interactive);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* ======== PARTNERS MARQUEE ======== */
.partners-section {
  background: var(--color-surface-2);
  padding: var(--space-8) var(--space-4);
  overflow: hidden;
}
.partners-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.partners-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  text-align: center;
  margin-bottom: var(--space-6);
}
.partners-logos {
  display: flex;
  gap: var(--space-10);
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.partners-logos span {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-faint);
  white-space: nowrap;
}

/* ======== PROJETS PAGE BANDEAU ======== */
.projets-bandeau {
  padding: 0 var(--space-4);
  margin-top: var(--space-8);
}
.projets-bandeau .section-image {
  max-width: var(--content-wide);
  margin-left: auto;
  margin-right: auto;
  display: block;
}

/* ======== EU MAP ======== */
.eu-map-container {
  max-width: 900px;
  margin: var(--space-10) auto;
  text-align: center;
}
.eu-map-image {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.eu-map-caption {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-style: italic;
  margin-top: var(--space-3);
}

/* ======== EU PROJECTS SECTION ======== */
.eu-projects-subtitle {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-10);
  margin-bottom: var(--space-2);
}
.eu-projects-portal-link {
  margin-bottom: var(--space-6);
}
.eu-projects-portal-link a {
  font-size: var(--text-sm);
  color: #003399;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.eu-projects-portal-link a:hover {
  color: #0050c8;
}
[data-theme="dark"] .eu-projects-portal-link a {
  color: #6699ff;
}
[data-theme="dark"] .eu-projects-portal-link a:hover {
  color: #99bbff;
}

.eu-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
  gap: var(--space-5);
}
.eu-project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border-left: 3px solid #003399;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.eu-project-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.eu-project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}
.eu-project-header h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
}
.eu-programme-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(0, 51, 153, 0.1);
  color: #003399;
}
[data-theme="dark"] .eu-programme-badge {
  background: rgba(102, 153, 255, 0.15);
  color: #6699ff;
}
.eu-project-title {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}
.eu-project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.eu-project-id {
  font-family: monospace;
  font-size: 0.75rem;
}
.eu-project-status {
  display: inline-flex;
  align-items: center;
  padding: 1px var(--space-2);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.eu-project-status.ongoing {
  background: rgba(67, 122, 34, 0.12);
  color: var(--color-success);
}
.eu-project-status.ended {
  background: var(--color-surface-2);
  color: var(--color-text-faint);
}
.eu-project-contribution {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-2);
}
.eu-project-contribution span {
  font-weight: 400;
  color: var(--color-text-muted);
}

/* ======== TEAM PROFILE LINKS ======== */
.team-profile-link {
  display: inline-block;
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.team-profile-link.active {
  color: var(--color-accent);
}
.team-profile-link.active:hover {
  color: var(--color-accent-hover);
}
.team-profile-link.dimmed {
  color: var(--color-text-faint);
  cursor: default;
  opacity: 0.5;
}

/* ======== PROFILE PAGE ======== */
.profil-hero {
  background: linear-gradient(135deg, #2c2a2a 0%, #3d3c3a 100%);
}
.profil-back {
  display: inline-block;
  color: rgba(255,255,255,0.7);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  margin-bottom: var(--space-4);
  transition: color var(--transition-interactive);
}
.profil-back:hover {
  color: #fff;
}

.profil-inner {
  max-width: 860px;
}

.profil-header-row {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}
.profil-photo {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-full);
  overflow: hidden;
  flex-shrink: 0;
  border: 3px solid var(--color-accent);
}
.profil-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.profil-metrics {
  display: flex;
  gap: var(--space-6);
}
.profil-metric {
  text-align: center;
}
.profil-metric-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}
.profil-metric-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: var(--space-1);
}
.profil-links {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.profil-links a {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  text-decoration: none;
  transition: all var(--transition-interactive);
}
.profil-links a:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
}

.profil-block {
  margin-bottom: var(--space-10);
}
.profil-block h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.profil-list {
  list-style: none;
  padding: 0;
}
.profil-list li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}
.profil-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

.profil-biblio-cat {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.profil-biblio {
  padding-left: var(--space-8);
  margin: 0;
}
.profil-biblio li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-3);
  padding-left: var(--space-2);
}
.profil-biblio li em {
  font-style: italic;
  color: var(--color-text);
}

@media (max-width: 768px) {
  .profil-header-row { flex-direction: column; align-items: flex-start; }
  .profil-photo { width: 100px; height: 100px; }
  .eu-projects-grid { grid-template-columns: 1fr; }
}

/* ========== TEAM TABS NAVIGATION ========== */
.team-tabs-nav {
  background: var(--surface);
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 64px;
  z-index: 90;
}

.team-tabs-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  gap: 0;
}

.team-tab-btn {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.team-tab-btn:hover {
  color: var(--text-primary);
}

.team-tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.team-tab-panel {
  display: none;
}

.team-tab-panel.active {
  display: block;
}

/* ========== COMMITTEE SECTION ========== */
.committee-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
  margin-bottom: var(--space-12);
}

.committee-hero-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 8px;
  display: block;
}

.committee-intro-text h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.committee-intro-text p {
  color: var(--text-secondary);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.committee-missions {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.committee-missions li {
  padding: var(--space-2) var(--space-4);
  border-left: 3px solid var(--accent);
  background: var(--surface-raised);
  border-radius: 0 6px 6px 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.committee-missions li strong {
  color: var(--text-primary);
}

.committee-members-title {
  margin-top: var(--space-4) !important;
}

/* Committee member cards grid */
.committee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
  gap: var(--space-6);
}

.committee-card {
  display: flex;
  gap: var(--space-5);
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-5);
  transition: box-shadow 0.2s, transform 0.2s;
  align-items: flex-start;
}

.committee-card:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
  transform: translateY(-2px);
}

.committee-photo {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--accent);
}

.committee-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.committee-info {
  flex: 1;
  min-width: 0;
}

.committee-info h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  line-height: 1.3;
}

.committee-grade {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}

.committee-affil {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
  font-style: italic;
  line-height: 1.4;
}

.committee-bio {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* Dark mode committee */
[data-theme="dark"] .committee-card {
  background: var(--surface-raised);
  border-color: var(--border);
}

[data-theme="dark"] .committee-missions li {
  background: var(--surface-raised);
}

/* Responsive committee */
@media (max-width: 900px) {
  .committee-intro {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .committee-hero-img {
    height: 260px;
  }
  .committee-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .team-tabs-inner {
    padding: 0 var(--space-3);
    overflow-x: auto;
  }
  .team-tab-btn {
    padding: var(--space-3) var(--space-4);
    font-size: 0.72rem;
  }
  .committee-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .committee-photo {
    width: 90px;
    height: 90px;
  }
  .committee-missions li {
    border-left: 3px solid var(--accent);
    text-align: left;
  }
}