/* --- Variables --- */
:root {
  --orange: #E47912;
  --orange-light: #EB9233;
  --orange-pale: #FDF2E8;
  --indigo: #1A2B47;
  --indigo-soft: #2D3E5A;
  --grey-bg: #F8F7F5;
  --grey-border: #E8E6E3;
  --grey-border-light: #F0EFED;
  --white: #FFFFFF;
  --text: #1A2B47;
  --text-muted: #5C6B7E;
  --font: 'Plus Jakarta Sans', sans-serif;
  --radius: 0;
  --radius-lg: 0;
  --transition: 0.2s ease;
  --animate-section-duration: 0.7s;
  --animate-word-duration: 0.5s;
}

/* --- Hero video modal (Voir la vidéo from slides 2 & 3) --- */
.hero-video-modal {
  position: fixed;
  inset: 0;
  z-index: 999997;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}

.hero-video-modal.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.hero-video-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26, 43, 71, 0.9);
  cursor: pointer;
}

.hero-video-modal-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  background: var(--white);
  border: 1px solid var(--grey-border);
  padding: 1rem 1rem 2rem;
}

.hero-video-modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 40px;
  height: 40px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--grey-border);
  color: var(--indigo);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.hero-video-modal-close:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.hero-video-modal-title {
  margin: 0 0 1rem;
  padding-right: 2.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--indigo);
}

.hero-video-modal-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.hero-video-modal-player video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-video-modal-player iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.hero-buttons .hero-publications-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  transition: opacity var(--transition);
}

.hero-buttons .hero-publications-link:hover {
  opacity: 0.9;
}

/* --- Section animations --- */
@keyframes sectionReveal {
  from {
    opacity: 0;
    transform: translateY(36px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-animate {
  opacity: 0;
  transform: translateY(36px);
}

.section-animate.is-visible {
  opacity: 1;
  transform: translateY(0);
  animation: sectionReveal var(--animate-section-duration) ease-out forwards;
}

.animate-once {
  opacity: 0;
  transform: translateY(24px);
}

.section-animate.is-visible .animate-once {
  animation: sectionReveal 0.6s ease-out forwards;
}

.section-animate.is-visible .animate-once:nth-child(1) { animation-delay: 0.1s; }
.section-animate.is-visible .animate-once:nth-child(2) { animation-delay: 0.2s; }
.section-animate.is-visible .animate-once:nth-child(3) { animation-delay: 0.3s; }
.section-animate.is-visible .animate-once:nth-child(4) { animation-delay: 0.4s; }
.section-animate.is-visible .animate-once:nth-child(5) { animation-delay: 0.5s; }
.section-animate.is-visible .animate-once:nth-child(6) { animation-delay: 0.6s; }
.section-animate.is-visible .animate-once:nth-child(7) { animation-delay: 0.7s; }
.section-animate.is-visible .animate-once:nth-child(8) { animation-delay: 0.8s; }

/* --- Word animations --- */
@keyframes wordReveal {
  from {
    opacity: 0;
    transform: translateY(0.4em);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  animation: wordReveal var(--animate-word-duration) ease-out forwards;
}

.word.visible {
  opacity: 1;
  transform: translateY(0);
  animation: wordReveal var(--animate-word-duration) ease-out forwards;
}

.word-space {
  white-space: pre;
}

/* --- Hero entrance --- */
@keyframes heroReveal {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero .hero-label {
  opacity: 0;
  animation: heroReveal 0.6s ease-out 0.1s forwards;
}

.hero .hero-title .word {
  opacity: 0;
  animation: wordReveal 0.5s ease-out forwards;
}

.hero .hero-subtitle {
  opacity: 0;
  animation: heroReveal 0.6s ease-out 0.6s forwards;
}

.hero .hero-join {
  opacity: 0;
  animation: heroReveal 0.6s ease-out 0.9s forwards;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 720px;
}

.section {
  padding: 4rem 0;
  background: var(--grey-bg);
}

.page-hero-offset {
  padding-top: 7rem;
}

.section-publications.page-hero-offset {
  padding-top: 10rem;
}

.section-about,
.section-reperes,
.section-why,
.section-vision,
.section-program,
.section-commit,
.section-contact {
  background: var(--white);
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--indigo);
  text-align: center;
  margin: 0 0 2rem;
  position: relative;
  line-height: 1.1;
}

.section-title::before,
.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--orange);
  margin: 0 auto 0.75rem;
}

.section-title::after {
  margin: 0.75rem auto 0;
}

.section-title-orange {
  color: var(--orange);
  font-weight: 800;
}

.section-title-orange::before,
.section-title-orange::after {
  background: var(--indigo);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--grey-border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--indigo);
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-link {
  color: var(--indigo);
  transition: color var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.nav-link:hover {
  color: var(--orange);
}

.nav-link[aria-current="page"] {
  color: var(--orange);
  font-weight: 600;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid white;
  color: var(--indigo);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  z-index: 102;
  position: relative;
}

.menu-toggle:hover {
  border-color: white;
}

.menu-toggle:focus,
.menu-toggle:focus-visible,
.menu-toggle:active {
  outline: none !important;
  outline: 0 !important;
  outline-width: 0 !important;
  outline-style: none !important;
  outline-color: transparent !important;
  box-shadow: none !important;
}

button.menu-toggle {
  -webkit-tap-highlight-color: transparent;
}

.menu-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile menu modal --- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 101;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}

.mobile-menu.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-backdrop {
  position: absolute;
  inset: 0;
  background: var(--white);
  opacity: 0.98;
}

.mobile-menu-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  width: 48px;
  height: 48px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid white;
  color: var(--indigo);
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.mobile-menu-close:hover {
  border-color: white;
  color: var(--orange);
  background: var(--grey-bg);
}

.mobile-menu-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 6rem 1.5rem 3rem;
}

.mobile-menu-link {
  font-family: var(--font);
  font-size: clamp(2.25rem, 12vw, 4rem);
  font-weight: 700;
  color: var(--indigo);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0;
  transform: translateY(24px);
  transition: color var(--transition);
}

.mobile-menu.is-open .mobile-menu-link {
  animation: mobileMenuLinkIn 0.5s ease-out forwards;
}

.mobile-menu.is-open .mobile-menu-link:nth-child(1) { animation-delay: 0.1s; }
.mobile-menu.is-open .mobile-menu-link:nth-child(2) { animation-delay: 0.18s; }
.mobile-menu.is-open .mobile-menu-link:nth-child(3) { animation-delay: 0.26s; }
.mobile-menu.is-open .mobile-menu-link:nth-child(4) { animation-delay: 0.34s; }
.mobile-menu.is-open .mobile-menu-link:nth-child(5) { animation-delay: 0.42s; }
.mobile-menu.is-open .mobile-menu-link:nth-child(6) { animation-delay: 0.5s; }
.mobile-menu.is-open .mobile-menu-cta { animation-delay: 0.58s; }

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

.mobile-menu-link:hover {
  color: var(--orange);
}

.mobile-menu-cta {
  margin-top: 1.5rem;
  opacity: 0;
  transform: translateY(24px);
}

.mobile-menu.is-open .mobile-menu-cta {
  animation: mobileMenuLinkIn 0.5s ease-out 0.58s forwards;
}

.btn-accent {
  background: var(--orange);
  color: var(--white);
  border: 1px solid var(--orange);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  background: var(--indigo);
  color: var(--white);
  border: 1px solid var(--indigo);
}

.btn-primary:hover {
  background: var(--indigo-soft);
  border-color: var(--indigo-soft);
}

.btn-light {
  background: var(--white);
  color: var(--indigo);
  border: 1px solid var(--white);
}

.btn-light:hover {
  background: var(--grey-bg);
  color: var(--indigo);
  border-color: var(--grey-bg);
}

.btn-full {
  width: 100%;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
  }
}

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

/* Slick hero: full height, dots/arrows placement */
.hero-slider .single-item {
  height: 100%;
  width: 100%;
}

.hero-slider .slick-list,
.hero-slider .slick-track {
  height: 100%;
}

.hero-slider .slick-slide,
.hero-slider .slick-slide > div {
  height: 100%;
}

.hero-slider .slick-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-slider .slick-dots li {
  margin: 0;
}

.hero-slider .slick-dots li button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  cursor: pointer;
  font-size: 0;
  line-height: 0;
  color: transparent;
  opacity: 0.7;
  transition: background var(--transition), border-color var(--transition), opacity var(--transition);
}

.hero-slider .slick-dots li button:hover {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.2);
  opacity: 1;
}

.hero-slider .slick-dots li.slick-active button {
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(255, 255, 255, 0.5);
  opacity: 1;
}

.hero-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 40px;
  height: 40px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0.7;
  transition: background var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition);
}

.hero-nav:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
  opacity: 1;
}

.hero-nav-prev,
.hero-slider .slick-prev {
  left: 1rem;
}

.hero-nav-next,
.hero-slider .slick-next {
  right: 1rem;
}

.hero-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.hero-dot {
  width: 12px;
  height: 12px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.hero-dot:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.3);
}

.hero-dot.is-active {
  background: var(--white);
  border-color: var(--white);
}

.hero-slides {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.8s ease-in-out;
}

.hero-slides[data-index="0"] {
  transform: translateX(0);
}

.hero-slides[data-index="1"] {
  transform: translateX(-100%);
}

.hero-slides[data-index="2"] {
  transform: translateX(-200%);
}

.hero-slides[data-index="3"] {
  transform: translateX(-300%);
}

.hero-slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
}

.hero-slide-clone {
  pointer-events: none;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
}

.hero-slide-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(26, 43, 71, 0.9) 0%, rgba(26, 43, 71, 0.65) 55%, rgba(26, 43, 71, 0.45) 100%);
  pointer-events: none;
}

.hero-slide-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  position: relative;
  z-index: 2;
  height: 100%;
  min-height: 0;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-content {
  color: var(--white);
  max-width: 880px;
}

.hero-label {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
  opacity: 0.95;
}

.hero-title {
  font-size: clamp(2.5rem, 6.5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.05;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.1rem;
  opacity: 0.95;
  margin: 0 0 2rem;
  line-height: 1.5;
}

.hero-cta {
  max-width: 480px;
}

.hero-join {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-join input {
  flex: 1;
  min-width: 200px;
  padding: 0.875rem 1.25rem;
  font-family: var(--font);
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  transition: border-color var(--transition), background var(--transition);
}

.hero-join input::placeholder {
  color: rgba(255, 255, 255, 0.8);
}

.hero-join input:focus {
  outline: none;
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.2);
}

.hero-join .btn {
  flex-shrink: 0;
}

/* Hero slide with photo: overlay for text legibility */
.hero-slide-inner--with-photo .hero-slide-overlay {
  background: linear-gradient(90deg, rgba(26, 43, 71, 0.9) 0%, rgba(26, 43, 71, 0.6) 55%, rgba(26, 43, 71, 0.45) 100%);
}

/* Hero slides with video: video as full-bleed background (like hero 1 image) */
.hero-slide--video .hero-slide-overlay {
  background: linear-gradient(90deg, rgba(26, 43, 71, 0.9) 0%, rgba(26, 43, 71, 0.6) 55%, rgba(26, 43, 71, 0.45) 100%);
}

@media (max-width: 768px) {
  .hero-slide-overlay {
    background: linear-gradient(90deg, rgba(26, 43, 71, 0.92) 0%, rgba(26, 43, 71, 0.78) 100%);
  }
}

.hero-slide-video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-slide-video-bg .hero-bg-video,
.hero-slide-video-bg iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
  transform: translate(-50%, -50%);
  border: none;
}

.hero-slide-video-bg .hero-bg-video {
  background: var(--indigo);
}

.hero-slide-video-bg--yt iframe {
  width: 100vw;
  height: 56.25vw;
  min-height: 100%;
  min-width: 177.78vh;
}

.hero-content--center {
  max-width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-video-wrap {
  width: 100%;
  max-width: 720px;
  margin-top: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  overflow: hidden;
}

.hero-video-wrap--yt {
  aspect-ratio: 16/9;
}

.hero-video-wrap--yt iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: none;
}

.hero-video {
  display: block;
  width: 100%;
  max-height: 60vh;
  background: var(--indigo);
}

/* --- Section videos (Portrait en vidéo) --- */
.section-videos {
  background: var(--white);
}

.videos-grid {
  display: grid;
  gap: 2rem;
}

.videos-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

/* Portrait en vidéo: format vertical type TikTok (9/16) */
.videos-grid--vertical .video-card {
  max-width: 280px;
  margin: 0 auto;
  border-radius: 0;
  overflow: hidden;
  border: 2px solid var(--grey-border);
}

.videos-grid--vertical .video-card-player {
  aspect-ratio: 9/16;
  width: 100%;
  object-fit: cover;
  display: block;
}

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

.videos-grid--pub {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* Page publication : 3 en ligne (TikTok) puis 2 en ligne */
.publications-videos-row {
  margin-bottom: 2rem;
}

.publications-videos-row:last-child {
  margin-bottom: 0;
}

.video-card {
  background: var(--white);
  border: 1px solid var(--grey-border-light);
  overflow: hidden;
  transition: border-color var(--transition);
}

.video-card:hover {
  border-color: var(--orange-pale);
}

.video-card--modal {
  cursor: pointer;
}

.video-card--modal:hover {
  border-color: var(--orange);
}

.video-card-poster {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--indigo);
  position: relative;
  transition: background-color var(--transition);
}

.video-card--modal:hover .video-card-poster {
  background: var(--indigo-soft);
}

.videos-grid--vertical .video-card-poster {
  aspect-ratio: 9/16;
}

.video-card-play {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--orange);
  font-size: 1.5rem;
  line-height: 1;
  padding-left: 0.25rem;
  transition: transform var(--transition), background-color var(--transition);
}

.video-card--modal:hover .video-card-play {
  transform: scale(1.08);
  background: var(--white);
}

.video-card-player,
.video-card iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
  background: var(--grey-bg);
}

.video-card-title {
  padding: 1rem 1.25rem;
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--indigo);
  line-height: 1.2;
}

.video-card--yt iframe {
  min-height: 280px;
}

/* Video card with centered play button overlay */
.video-card--with-play {
  position: relative;
}

.video-card-play-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.25);
  pointer-events: none;
}

.video-card-play-overlay[aria-hidden="true"] {
  display: none;
}

.video-card--with-play .video-card-play-overlay {
  pointer-events: auto;
}

.video-card-play-btn {
  width: 4.5rem;
  height: 4.5rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  color: var(--orange);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.video-card-play-btn:hover {
  transform: scale(1.08);
  background: var(--white);
}

.video-card-play-icon {
  font-size: 1.75rem;
  margin-left: 0.2em;
  line-height: 1;
}

.video-card-fullscreen-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 3;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--white);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.video-card-fullscreen-btn:hover {
  background: rgba(0, 0, 0, 0.7);
  border-color: var(--white);
  color: var(--white);
}

.video-card-fullscreen-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-card-fullscreen-icon svg {
  width: 1rem;
  height: 1rem;
}

/* --- Section Interviews --- */
.section-interviews {
  background: var(--white);
}

/* --- Section Publications --- */
.section-publications {
  background: var(--white);
}

.publications-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

.publications-block {
  position: static;
}

.publications-subtitle {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--indigo);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--orange);
}

.publications-docs {
  list-style: none;
  margin: 0;
  padding: 0;
}

.publications-docs li {
  margin-bottom: 0.75rem;
}

.publications-link {
  font-weight: 600;
  color: var(--indigo);
  transition: color var(--transition);
}

.publications-link:hover {
  color: var(--orange);
}

/* Documents en format carte (page Publications) */
.publications-docs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.doc-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--grey-border-light);
  overflow: hidden;
  transition: border-color var(--transition);
}

.doc-card:hover {
  border-color: var(--orange-pale);
}

.doc-card:hover .doc-card-image {
  transform: scale(1.06);
}

.doc-card-image {
  aspect-ratio: 1;
  transition: transform 0.4s ease;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.doc-card-image--1,
.doc-card-image--2,
.doc-card-image--3 {
  background-image: url('images/image.png');
}

.doc-card-text {
  padding: 1.25rem;
  margin: 0;
  font-weight: 600;
  font-size: 1rem;
  color: var(--indigo);
  line-height: 1.2;
}

.doc-card:hover .doc-card-text {
  color: var(--orange);
}

@media (max-width: 900px) {
  .publications-docs-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Feature cards --- */
.section-features {
  padding: 4rem 0;
  background: var(--grey-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  display: block;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--grey-border-light);
  overflow: hidden;
  transition: border-color var(--transition);
}

.feature-card-image {
  transition: transform 0.4s ease;
}

.feature-card:hover .feature-card-image {
  transform: scale(1.06);
}

.feature-card:hover {
  border-color: var(--orange-pale);
}

.feature-card-image {
  aspect-ratio: 1;
  background: linear-gradient(145deg, var(--orange-pale) 0%, var(--grey-bg) 100%);
}

.feature-card-2 {
  background: linear-gradient(145deg, var(--grey-bg) 0%, var(--orange-pale) 100%);
}

.feature-card-3 {
  background: linear-gradient(145deg, var(--indigo) 0%, var(--indigo-soft) 100%);
  opacity: 0.9;
}

.feature-card-text {
  padding: 1.25rem;
  font-weight: 600;
  color: var(--indigo);
  margin: 0;
  font-size: 1rem;
}

/* --- Split layout --- */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.split-layout-reverse .split-content {
  order: 2;
}

.split-layout-reverse .split-visual {
  order: 1;
}

.split-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--orange);
  margin: 0 0 0.75rem;
}

.split-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--indigo);
  margin: 0 0 1rem;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.why-candidate-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--indigo);
  margin: 0 0 1rem;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.split-text {
  color: var(--text);
  margin: 0 0 1.5rem;
  line-height: 1.6;
}

.split-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.split-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text);
  line-height: 1.6;
}

.split-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0.1em;
  font-size: 1rem;
  font-weight: 700;
  color: var(--orange);
}

.split-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.split-feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.split-feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: var(--orange);
  color: var(--white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
}

.split-feature-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--indigo);
  margin: 0 0 0.25rem;
  line-height: 1.15;
}

.split-feature p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.split-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-lg);
  border: 1px solid var(--grey-border-light);
  transition: transform 0.4s ease;
}

.split-visual:hover .split-image {
  transform: scale(1.06);
}

.split-image-alt {
  aspect-ratio: 3/4;
}

.split-visual .split-image:not(img) {
  background: linear-gradient(160deg, var(--grey-bg) 0%, var(--orange-pale) 100%);
}

.split-visual {
  position: relative;
  overflow: hidden;
}

.btn-over-image {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
}

/* --- CTA bar --- */
.cta-bar {
  background: var(--orange);
  padding: 1.25rem 1.5rem;
}

.cta-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.cta-bar-text {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
}

/* --- Progress bars --- */
.progress-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.progress-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.progress-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--indigo);
}

.progress-value {
  color: var(--orange);
}

.progress-track {
  height: 8px;
  background: var(--grey-bg);
  border-radius: 0;
  overflow: hidden;
  border: 1px solid var(--grey-border);
}

.progress-fill {
  height: 100%;
  background: var(--indigo);
  border-radius: 0;
  transition: width 0.6s ease;
}

/* --- Section vision split --- */
.section-vision-split {
  background: var(--white);
}

/* --- Dark banner --- */
.section-banner-dark {
  background: var(--indigo);
  padding: 4rem 1.5rem;
}

.banner-dark-inner {
  max-width: 900px;
  margin: 0 auto;
}

.banner-dark-title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 800;
  color: var(--white);
  margin: 0;
  line-height: 1.1;
}

.banner-dark-cta {
  display: inline-block;
  margin-top: 1.5rem;
}

.split-label-light {
  color: var(--orange);
}

.banner-dark-content .split-label {
  margin-bottom: 0.5rem;
}

/* --- Program cards --- */
.section-program-cards {
  padding: 4rem 0;
}

.program-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .program-layout {
    grid-template-columns: 1fr;
  }
  .program-layout .program-map {
    margin-top: 1.5rem;
    text-align: center;
  }
  .program-layout .program-map .program-map-image {
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    max-width: 100%;
  }
}

.section-program-cards .program-list {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: start;
}

.program-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1.5rem;
}

.program-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0.15em;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--orange);
}

.program-list-title {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--indigo);
  margin: 0 0 0.35rem;
}

.program-list-text {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.55;
}

.program-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.program-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--grey-border-light);
  overflow: hidden;
  transition: border-color var(--transition);
}

.program-card-image {
  transition: transform 0.4s ease;
}

.program-card:hover .program-card-image {
  transform: scale(1.06);
}

.program-card:hover {
  border-color: var(--orange-pale);
}

.program-card-image {
  aspect-ratio: 16/10;
  background: var(--orange-pale);
  display: flex;
  align-items: center;
  justify-content: center;
}

.program-card-icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--indigo);
}

.program-card-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
}

.program-card-2,
.program-card-3,
.program-card-4,
.program-card-5 {
  background: var(--orange-pale);
}

.program-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--indigo);
  margin: 0;
  padding: 1.25rem 1.25rem 0;
  line-height: 1.15;
}

.program-card p {
  padding: 0.75rem 1.25rem 1.25rem;
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.program-card-link {
  display: inline-block;
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--orange);
  transition: color var(--transition);
}

.program-card-link:hover {
  color: var(--indigo);
}

.program-cta-wrap {
  text-align: center;
  margin-top: 2rem;
}

/* --- About --- */
.section-about {
  padding: 5rem 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image-wrap {
  display: flex;
  justify-content: center;
}

.about-image-wrap {
  overflow: hidden;
}

.about-image {
  width: 280px;
  height: 280px;
  border-radius: 0;
  object-fit: cover;
  display: block;
  border: 1px solid var(--orange-pale);
  transition: transform 0.4s ease;
}

.about-image-wrap:hover .about-image {
  transform: scale(1.06);
}

.about-content {
  text-align: left;
}

.about-name {
  font-size: 2rem;
  font-weight: 800;
  color: var(--indigo);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-align: left;
}

.about-subtitle {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--orange);
  margin: 0 0 1.5rem;
  letter-spacing: 0.02em;
  text-align: left;
}

.about-list {
  text-align: left;
}

.about-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.about-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 0;
}

.about-list--check li::before {
  content: '✓';
  width: auto;
  height: auto;
  background: none;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--orange);
  top: 0.1em;
  left: 0;
}

/* --- Quelques repères --- */
.section-reperes {
  padding: 4rem 0;
  border-left: 2px solid var(--orange);
}

.reperes-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  grid-template-rows: 1fr;
  gap: 3rem;
  align-items: center;
}

.reperes-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--indigo);
  margin: 0 0 1.5rem;
  line-height: 1.1;
  position: relative;
  padding-top: 0.5rem;
}

.reperes-title::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--orange);
}

.reperes-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.reperes-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.5;
}

.reperes-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0.05em;
  width: auto;
  height: auto;
  background: none;
  border-radius: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--orange);
}

.reperes-list-sep {
  list-style: none;
  padding-left: 0;
  margin: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--orange);
}

.reperes-list-sep::before {
  display: none;
}

.reperes-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.reperes-cta-arrow {
  color: var(--orange);
  font-size: 1.1rem;
}

.reperes-visual {
  height: 520px;
  overflow: hidden;
}

.reperes-image {
  display: block;
  width: 100%;
  height: 100%;
  border: 1px solid var(--grey-border-light);
  object-fit: cover;
  object-position: center top;
  transition: transform 0.4s ease;
}

.reperes-visual:hover .reperes-image {
  transform: scale(1.06);
}

/* --- Program map --- */
.section-program-cards .program-map {
  margin: 0 auto;
  text-align: center;
}

.program-map--right {
  text-align: right;
}

.program-map--right .program-map-image {
  margin-left: auto;
  margin-right: 0;
}

.program-map {
  margin-bottom: 0;
  overflow: hidden;
}

.program-map-image {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  margin: 0 auto;
  transition: transform 0.4s ease;
}

.program-map:hover .program-map-image {
  transform: scale(1.06);
}

.program-map--cell {
  background: var(--white);
  border: 1px solid var(--grey-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 0;
  min-height: 100%;
}

.program-map--cell .program-map-image {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: contain;
  min-height: 200px;
}

.program-list {
  text-align: left;
  max-width: 640px;
  margin: 0 auto 2rem;
}


/* --- Finality banner --- */
.banner-finality {
  padding: 4rem 1.5rem;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-light) 100%);
  text-align: center;
}

.banner-finality-text {
  max-width: 800px;
  margin: 0 auto;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
}

/* --- Commitments --- */
.commit-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--indigo);
  text-align: center;
  margin: 0 0 2rem;
  line-height: 1.1;
}

.commit-title br {
  display: block;
}

.commit-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.commit-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--indigo);
  font-size: 1rem;
  line-height: 1.5;
}

.commit-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--white);
  border: 1px solid var(--grey-border);
  border-radius: 50%;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.commit-icon::after {
  content: '';
  display: block;
  width: 6px;
  height: 12px;
  border: 1px solid var(--orange);
  border-top: 0;
  border-left: 0;
  transform: rotate(45deg);
  margin-bottom: 6px;
  margin-left: 1px;
}

.commit-pacte {
  background: var(--white);
  border: 1px solid var(--grey-border-light);
  padding: 1.5rem 2rem;
  margin: 0 auto 2rem;
  max-width: 480px;
  text-align: center;
}

.commit-pacte-text {
  margin: 0;
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 700;
  color: var(--indigo);
  line-height: 1.2;
}

.commit-pacte-word {
  color: var(--orange);
  font-weight: 700;
}

.commit-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.commit-pillar {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 700;
  color: var(--indigo);
}

.commit-pillar-letter {
  color: var(--orange);
}

/* --- Social Wall (LinkedIn) --- */
.section-social-wall {
  background: var(--grey-bg);
}

.social-wall-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 504px));
  justify-content: center;
  gap: 2rem;
}

.social-wall-item {
  width: 100%;
  max-width: 504px;
  margin: 0 auto;
  border: 1px solid var(--grey-border-light);
  overflow: hidden;
}

.social-wall-item iframe {
  display: block;
  width: 100%;
  max-width: 504px;
  border: none;
}

/* --- Sub nav --- */
.sub-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 2rem 1.5rem;
  background: var(--white);
  border-top: 1px solid var(--grey-border);
}

.sub-nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--indigo);
  position: relative;
}

.sub-nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width var(--transition);
}

.sub-nav-link:hover::after,
.sub-nav-link:focus::after {
  width: 100%;
}

/* --- Contact --- */
.contact-form {
  max-width: 480px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 1rem;
  border: 1px solid var(--grey-border);
  border-radius: var(--radius);
  background: var(--grey-bg);
  color: var(--text);
  transition: border-color var(--transition), background var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
  background: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

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

.contact-form .btn {
  margin-top: 0.5rem;
}

/* --- Footer --- */
.footer {
  background: var(--indigo);
  color: var(--white);
}

.footer-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 100%;
}

.footer-cta-left {
  background: var(--indigo);
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-cta-right {
  background: var(--orange);
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}

.footer-cta-right:hover {
  background: var(--orange-light);
  color: var(--white);
}

.footer-main {
  padding: 3rem 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 1.25rem;
  max-width: 320px;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-social-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius);
  transition: color var(--transition), border-color var(--transition);
}

.footer-social-link:hover {
  color: var(--orange);
  border-color: var(--orange);
}

.footer-social-link--icon {
  padding: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.footer-social-link--icon:hover {
  color: var(--orange);
}

.footer-social-icon {
  width: 1.5rem;
  height: 1.5rem;
  display: block;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  color: var(--white);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--orange);
}

.footer-bottom {
  background: var(--indigo-soft);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 1.5rem;
}

.footer-bottom-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.footer-copy-link {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-copy-link:hover {
  color: var(--orange);
}

/* --- Scroll to top --- */
.scroll-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 90;
  width: 48px;
  height: 48px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--orange);
  color: var(--white);
  border: 1px solid var(--orange);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}

.scroll-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: var(--orange-light);
  border-color: var(--orange-light);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero-subtitle {
    max-width: 100%;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: left;
  }

  .about-image-wrap {
    order: -1;
    justify-content: flex-start;
    width: 100%;
  }

  .about-image-wrap .about-image {
    width: 100%;
    height: auto;
    max-width: 100%;
  }

  .reperes-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .reperes-content,
  .reperes-visual {
    grid-column: 1;
  }

  .reperes-visual {
    order: -1;
    height: 400px;
  }

  .split-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .split-layout-reverse .split-content {
    order: 1;
  }

  .split-layout-reverse .split-visual {
    order: 2;
  }

  .split-visual {
    order: -1;
  }

  .split-layout-reverse .split-visual {
    order: 2;
  }

  .btn-over-image {
    position: static;
    margin-top: 1rem;
    display: inline-block;
  }

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

  .videos-grid--3,
  .videos-grid--2 {
    grid-template-columns: 1fr;
  }

  .videos-grid--pub {
    grid-template-columns: 1fr;
  }

  .publications-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .publications-block {
    position: static;
  }

  .program-cards-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-desc {
    max-width: 100%;
  }

  .footer-social {
    justify-content: center;
  }

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

@media (max-width: 768px) {
  .nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }
}

@media (max-width: 700px) {
  .header-inner {
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 1rem;
  }

  .cta-bar-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 3rem 0;
  }

  .sub-nav {
    gap: 1rem;
  }

  .hero-join {
    flex-direction: column;
  }

  .hero-join input {
    min-width: 100%;
  }

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