.site-menu {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  background: rgba(5, 6, 12, 0.65);
  backdrop-filter: blur(18px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease;
  z-index: 90;
}

.site-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.site-menu__backdrop {
  display: block;
  position: absolute;
  inset: 0;
  cursor: pointer;
}

.site-menu__panel {
  display: flex;
  position: relative;
  width: clamp(230px, 32vw, 360px);
  flex-direction: column;
  gap: 24px;
  background: linear-gradient(160deg, var(--accent-muted, rgba(0, 0, 0, 0.28)), rgba(0, 0, 0, 0.64));
  border-left: 1px solid rgba(255, 255, 255, 0.06);
  padding: clamp(18px, 2vw, 28px);
  box-shadow: var(--shadow-lg);
  height: 100%;
  overflow-y: auto;
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 220ms ease, transform 260ms ease;
}

.site-menu.is-open .site-menu__panel {
  opacity: 1;
  transform: translateX(0);
}

.nav-close {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  font-size: 2rem;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  align-self: flex-end;
  margin-left: auto;
  outline: none;
}

.nav-close:focus-visible {
  outline: 2px solid var(--accent, #ff7a18);
  outline-offset: 6px;
}

.nav-close span {
  line-height: 1;
  transform: translateX(-2px);
}

.site-menu__theme {
  width: 100%;
  display: block;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-menu__theme .theme-toggle {
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 14px;
}

.site-menu .nav-links {
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
}

.site-menu .nav-links a {
  font-size: clamp(1rem, 2vw, 1.1rem);
  letter-spacing: 0.06em;
  padding: 0;
  border-radius: 0;
  border: none;
  transition: color var(--transition);
}

.site-menu .nav-links a:hover,
.site-menu .nav-links a:focus-visible {
  background: none;
  border: none;
  transform: none;
  color: var(--accent, #ff7a18);
}


:root {
  color-scheme: dark;
  --font-sans: "Poppins", "Inter", "Segoe UI", sans-serif;
  --font-mono: "Fira Code", "SFMono-Regular", monaco, monospace;
  --page-max-width: 1240px;
  --border-radius: 22px;
  --border-radius-sm: 12px;
  --transition: 160ms ease-in-out;
  --shadow-xl: 0 40px 90px -60px rgba(0, 0, 0, 0.8), 0 18px 46px -24px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 20px 60px -36px rgba(0, 0, 0, 0.7);
  --shadow-md: 0 12px 32px -16px rgba(0, 0, 0, 0.55);
  --shadow-sm: 0 10px 26px -18px rgba(0, 0, 0, 0.5);
  --border-light: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

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

.site-nav__inline {
  display: none;
}

.theme-toggle--inline {
  display: none;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: var(--bg, #05060a);
  color: #f9fafb;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition), color var(--transition);
}

body.modal-open {
  overflow: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  .theme-toggle--inline {
    display: none;
  }
  z-index: -1;
  width: 58vmax;
  height: 58vmax;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.35;
  transition: background-color var(--transition), transform 480ms ease;
}

body::before {
  top: -12vmax;
  left: -16vmax;
  background: var(--accent-soft, rgba(255, 164, 67, 0.6));
}

body::after {
  bottom: -22vmax;
  right: -12vmax;
  background: var(--accent-muted, rgba(255, 70, 143, 0.28));
}

main {
  flex: 1;
}

.wrapper {
  width: min(100% - 64px, var(--page-max-width));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  top: 12px;
  left: 16px;
  padding: 12px 18px;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 0, 0, 0.85);
  color: white;
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition), opacity var(--transition);
  z-index: 1000;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
  outline: 2px solid var(--accent, #ff7a18);
}

header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(6, 8, 15, 0.55);
  border-bottom: 1px solid var(--border-light);
}

header .wrapper.site-nav {
  width: min(100% - 64px, var(--page-max-width));
  padding-inline: 0;
}


.site-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: clamp(16px, 2.4vw, 32px);
  position: relative; 
  padding: 18px 0;
}



.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  white-space: nowrap;
  grid-column: 2;
  justify-self: center;
}

.brand__mark {
  display: grid;
  place-content: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-sm);
}

.brand__mark svg {
  width: 24px;
  height: 24px;
  fill: var(--accent, #ff7a18);
}

.brand__mark img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.brand__name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent, #ff7a18);
  letter-spacing: 0.18em;
}

.brand:hover .brand__name,
.brand:focus-visible .brand__name {
  color: #ffffff;
}

.nav-links {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  gap: 8px 14px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.nav-links a.is-active {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.32);
  color: #05060a;
  box-shadow: var(--shadow-sm);
}

.theme-toggle {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.theme-toggle button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: transparent;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.theme-toggle button::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color);
  opacity: 0.75;
  transition: opacity var(--transition);
}

.theme-toggle button:focus-visible,
.theme-toggle button:hover {
  transform: scale(1.08);
  border-color: rgba(255, 255, 255, 0.46);
}

.theme-toggle button.active::after {
  opacity: 1;
}

@media (min-width: 1400px) {
  .site-nav__inline {
    padding-right: clamp(120px, 16vw, 280px);
  }

  .theme-toggle--inline {
    position: absolute;
    top: 50%;
    right: clamp(-400px, -6vw, -24px);
    transform: translateY(-50%);
    gap: 0;
    padding: 6px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(7, 9, 16, 0.55);
    overflow: hidden;
    transition: background-color var(--transition), border-color var(--transition), box-shadow var(--transition), padding var(--transition);
  }

  .theme-toggle--inline button {
    margin: 0;
    transition: width 200ms ease, margin 200ms ease, opacity var(--transition), transform var(--transition), border-color var(--transition);
  }

  .theme-toggle--inline button:not(.active) {
    width: 0;
    opacity: 0;
    transform: scale(0.82);
    pointer-events: none;
  }

  .theme-toggle--inline:hover,
  .theme-toggle--inline:focus-within {
    gap: 10px;
    padding: 6px 12px;
    background: rgba(7, 9, 16, 0.78);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-sm);
  }

  .theme-toggle--inline:hover button,
  .theme-toggle--inline:focus-within button {
    width: 38px;
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
  }

  .theme-toggle--inline:hover button:not(:first-child),
  .theme-toggle--inline:focus-within button:not(:first-child) {
    margin-left: 8px;
  }
}

.hero {
  position: relative;
  padding: 72px 0 96px;
  display: grid;
  gap: 48px;
  align-items: center;
  scroll-margin-top: 140px;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 24px;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
  pointer-events: none;
  mix-blend-mode: screen;
}

.hero__grid {
  display: grid;
  gap: 36px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
  z-index: 1;
  max-width: 540px;
}

.hero__eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.hero__title {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;

  /* Allow long words to wrap/break so they don't overflow the hero column
     (fixes very long words like "télécommunications" exceeding the grid) */
  overflow-wrap: break-word;
  word-wrap: break-word;
  /* `overflow-wrap: anywhere` can aggressively break words; keep hyphens for nicer breaks */
  hyphens: auto;
  /* Fallback for older engines */
  word-break: break-word;
}

.hero__description {
  max-width: 48ch;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.button--primary {
  background: linear-gradient(135deg, var(--accent, #ff7a18), rgba(255, 255, 255, 0.18));
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}

.button--primary:hover,
.button--primary:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.button--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
}

.button--ghost:hover,
.button--ghost:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.06);
}

.hero__visual {
  position: relative;
  display: grid;
  place-items: center;
}

.hero__visual::before {
  content: "";
  position: absolute;
  inset: 8%;
  border-radius: calc(var(--border-radius) - 6px);
  background: radial-gradient(circle at 25% 20%, rgba(255, 255, 255, 0.25), transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.14), transparent 60%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  opacity: 0.6;
  filter: blur(0.5px);
}

.glass-card {
  position: relative;
  width: min(440px, 88%);
  aspect-ratio: 4 / 5;
  border-radius: calc(var(--border-radius) - 8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(28px);
  overflow: hidden;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.glass-card__title {
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin: 0;
}

.glass-card__tagline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.62);
}

.glass-card__stats {
  display: grid;
  gap: 20px;
}

.stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.stat__value {
  font-size: clamp(1.8rem, 2.6vw, 2.6rem);
  font-weight: 600;
}

.nav-toggle {
  display: flex;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
  padding: 0 12px;
  grid-column: 3;
  justify-self: end;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-direction: column;
  overflow: hidden;
  border-color: rgba(255, 255, 255, 0.1);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: var(--text, #f9fafb);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle span:nth-child(1) {
  transform-origin: center;
}

.nav-toggle span:nth-child(3) {
  transform-origin: center;
}

.nav-toggle:focus-visible,
.nav-toggle:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  outline: 2px solid var(--accent, #ff7a18);
  outline-offset: 3px;
}

body.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(42deg);
}

body.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-42deg);
}

.site-menu {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  background: rgba(5, 6, 12, 0.65);
  backdrop-filter: blur(18px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease;
  z-index: 90;
}

.site-menu__backdrop {
  display: block;
  position: absolute;
  inset: 0;
  cursor: pointer;
}

.site-menu__panel {
  display: flex;
  position: relative;
  width: clamp(230px, 32vw, 360px);
  flex-direction: column;
  gap: 24px;
  background: linear-gradient(160deg, var(--accent-muted, rgba(0, 0, 0, 0.28)), rgba(0, 0, 0, 0.64));
  border-left: 1px solid rgba(255, 255, 255, 0.06);
  padding: clamp(18px, 2vw, 28px);
  box-shadow: var(--shadow-lg);
  height: 100%;
  overflow-y: auto;
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 220ms ease, transform 260ms ease;
}

.nav-close {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  font-size: 2rem;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  align-self: flex-end;
  margin-left: auto;
}

.site-menu__theme {
  display: block;
}



.stat__label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.6);
}

.section {
  padding: 96px 0;
  position: relative;
  scroll-margin-top: 140px;
}

.section__eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: rgba(255, 255, 255, 0.56);
  margin-bottom: 18px;
}

.section__heading {
  font-size: clamp(2.2rem, 4vw, 3.1rem);
  margin: 0 0 32px;
  letter-spacing: -0.01em;
}

.section__description {
  max-width: 60ch;
  font-size: 1.02rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.68);
}

.cards-grid {
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.works-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.seminar-grid,
.departure-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: stretch;
}

.seminar__media,
.departure__media {
  position: relative;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: rgba(5, 6, 14, 0.6);
  aspect-ratio: 3 / 4;
}

.seminar__media img,
.departure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.seminar__content {
  display: grid;
  gap: 18px;
}

.seminar__content p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

.seminar__list {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 10px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
}

.seminar__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.seminar__tags span {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 6, 14, 0.55);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.course-project {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  align-items: flex-start;
}

.course-project__video {
  position: relative;
  display: block;
  width: 100%;
  max-width: clamp(520px, 56vw, 960px);
  aspect-ratio: 16 / 9;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #000;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  justify-self: start;
}

.course-project__video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.course-project__panel {
  justify-content: flex-start;
  gap: 18px;
  align-self: stretch;
}

.course-project__panel ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
}

.course-project__panel li {
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
}

.course-project__note {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.62);
  font-style: italic;
}

@media (min-width: 1025px) {
  .course-project {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }

  .course-project__video {
    justify-self: start;
  }
}

@media (min-width: 1400px) {
  .site-nav__inline {
    padding-right: clamp(120px, 16vw, 280px);
  }

  .course-project {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .course-project__video {
    max-width: clamp(720px, 52vw, 1180px);
  }

  .seminar-grid,
  .departure-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 48px;
  }

  .seminar__media,
  .departure__media {
    aspect-ratio: 7 / 10;
  }
}

.parcours-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 980px) {
  .parcours-grid {
    grid-template-columns: 1fr;
  }

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

  .parcours-card {
    min-height: auto;
  }

  .parcours-card--with-logo {
    padding-right: 96px;
  }

  .parcours-card__logo {
    width: 60px;
    height: 60px;
  }
}

.parcours-card__logo {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 68px;
  height: 68px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(6, 8, 15, 0.7);
  padding: 0;
}

.parcours-card--with-logo {
  padding-right: 118px;
}

.work-card {
  position: relative;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.14), rgba(6, 8, 15, 0.72));
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
  min-height: 300px;
}

.work-card:hover,
.work-card:focus-within {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.work-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.5);
}

.work-card__title {
  margin: 0;
  font-size: 1.35rem;
}

.work-card__body {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.7;
  flex: 1;
}

.work-card__action {
  align-self: flex-start;
  margin-top: 4px;
}

.work-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.work-card__tags span {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 6, 14, 0.58);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card {
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.parcours-card {
  min-height: 280px;
  position: relative;
}

.parcours-card__label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.52);
}

.departure__content {
  gap: 20px;
}

.departure__content p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

.departure__media figcaption {
  margin: 0;
  padding: 14px 18px;
  background: rgba(5, 6, 14, 0.65);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.departure__gifts {
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(6, 8, 15, 0.55);
  padding: 18px 22px;
  display: grid;
  gap: 12px;
}

.departure__gifts h4 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.departure__gifts ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.75);
}

@media (max-width: 640px) {
  .parcours-card__logo {
    top: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
  }

  .parcours-card--with-logo {
    padding-right: 100px;
  }
}

.parcours-card__list {
  margin: 0;
  padding-left: 20px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.parcours-card__list li {
  margin-bottom: 6px;
}

.parcours-card__tags {
  margin-top: auto;
}

.card:hover,
.card:focus-within {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card__title {
  font-size: 1.25rem;
  margin: 0;
}

.card__body {
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.7;
  flex: 1;
}

.card__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
  padding-top: 6px;
}

.card__footer span {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(6, 8, 15, 0.6);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  gap: 8px;
}


.marquee {
  margin-top: 64px;
  overflow: hidden;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 6, 14, 0.7);
}

.marquee__inner {
  display: flex;
  gap: 48px;
  padding: 18px 36px;
  white-space: nowrap;
  animation: marquee 22s linear infinite;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.4);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

.blog-list {
  display: grid;
  gap: 28px;
}

.blog-item {
  padding: 28px;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 6, 14, 0.65);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 16px;
}

.blog-item h3 {
  margin: 0;
  font-size: 1.3rem;
}

.blog-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  line-height: 1.7;
}

.blog-item a {
  color: var(--accent, #ff7a18);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.cert-carousel-3d {
  position: relative;
  width: min(100%, 740px);
  height: clamp(420px, 48vw, 520px);
  margin: 0 auto;
  perspective: 1600px;
  transform-style: preserve-3d;
}

.cert-carousel-3d__track {
  position: absolute;
  inset: 50%;
  transform-style: preserve-3d;
  transition: transform 600ms ease;
}

.cert-card-3d {
  position: absolute;
  top: 50%;
  left: 50%;
  width: clamp(320px, 34vw, 420px);
  height: clamp(380px, 44vw, 460px);
  transform-style: preserve-3d;
}

.cert-card-3d .blog-item {
  position: absolute;
  inset: 0;
  padding: clamp(24px, 3vw, 36px);
  border-radius: 28px;
  background: rgba(7, 16, 19, 0.82);
  box-shadow: 0 28px 80px -32px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(14px);
  transform-style: preserve-3d;
}

.project-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(24px, 6vw, 64px);
  background: rgba(5, 6, 12, 0.74);
  backdrop-filter: blur(20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
  z-index: 140;
}

.project-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.project-modal__backdrop {
  position: absolute;
  inset: 0;
  cursor: pointer;
}

.project-modal__panel {
  position: relative;
  z-index: 1;
  width: min(960px, 100%);
  max-height: min(90vh, 960px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(165deg, rgba(12, 14, 22, 0.94), rgba(6, 8, 15, 0.82));
  box-shadow: var(--shadow-xl);
  padding: clamp(28px, 4vw, 48px);
}

.project-modal__body {
  display: grid;
  gap: 24px;
}

.project-modal__close {
  position: absolute;
  top: clamp(12px, 2vw, 18px);
  right: clamp(12px, 2vw, 18px);
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(5, 6, 14, 0.6);
  color: inherit;
  font-size: 1.6rem;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.project-modal__close:hover,
.project-modal__close:focus-visible {
  transform: scale(1.08);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.project-detail {
  display: grid;
  gap: 18px;
}

.project-detail__header {
  display: grid;
  gap: 12px;
}

.project-detail h3 {
  margin: 0;
  font-size: clamp(1.45rem, 2.4vw, 1.9rem);
}

.project-detail__lead {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.project-detail__list {
  margin: 0;
  padding-left: 20px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
  display: grid;
  gap: 10px;
}

.project-detail__gallery {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.project-detail__gallery--compact {
  max-width: 420px;
  margin-inline: auto;
  grid-template-columns: 1fr;
}

.project-detail__gallery--compact img {
  object-fit: contain;
}

.project-detail__gallery figure {
  margin: 0;
  display: grid;
  gap: 10px;
}

.project-detail__gallery img {
  width: 100%;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-sm);
  object-fit: cover;
}

.project-detail__gallery figcaption {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.58);
  line-height: 1.5;
}

.project-detail__resources {
  display: flex;
  justify-content: flex-start;
  margin-top: 8px;
}

.project-detail__resources .button {
  gap: 8px;
}

@media (max-width: 720px) {
  .project-modal__panel {
    padding: clamp(22px, 6vw, 28px);
    border-radius: var(--border-radius-sm);
  }

  .project-modal__close {
    width: 36px;
    height: 36px;
    font-size: 1.4rem;
  }
}

@media (max-width: 540px) {
  .project-detail__gallery {
    grid-template-columns: 1fr;
  }
}


.assistant {
  position: fixed;
  bottom: clamp(18px, 4vw, 32px);
  right: clamp(18px, 4vw, 32px);
  z-index: 130;
  display: grid;
  gap: 16px;
  justify-items: end;
}

.assistant.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
}

.assistant__panel {
  width: min(340px, 88vw);
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(170deg, rgba(8, 10, 18, 0.96), rgba(12, 14, 20, 0.88));
  box-shadow: 0 26px 70px -32px rgba(5, 6, 14, 0.86);
  backdrop-filter: blur(18px);
  padding: 22px;
  display: grid;
  gap: 18px;
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition: opacity 200ms ease, transform 220ms ease;
}

.assistant__panel.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.assistant__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.assistant__header h2 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
}

.assistant__close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(6, 8, 15, 0.58);
  color: inherit;
  font-size: 1.4rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.assistant__close:hover,
.assistant__close:focus-visible {
  transform: scale(1.06);
  border-color: var(--accent, #ff7a18);
  background: rgba(255, 122, 24, 0.12);
}

.assistant__messages {
  max-height: 320px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: grid;
  gap: 12px;
  padding-right: 4px;
}

.assistant__message {
  display: flex;
}

.assistant__message--bot {
  justify-content: flex-start;
}

.assistant__message--user {
  justify-content: flex-end;
}

.assistant__bubble {
  max-width: 85%;
  border-radius: 18px;
  padding: 12px 16px;
  line-height: 1.55;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}

.assistant__message--bot .assistant__bubble {
  background: rgba(12, 14, 22, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.82);
}

.assistant__message--user .assistant__bubble {
  background: linear-gradient(140deg, var(--accent, #ff7a18), #ff9740);
  border: 1px solid rgba(255, 186, 120, 0.6);
  color: #05060a;
  font-weight: 600;
}

.assistant__bubble a {
  color: inherit;
  text-decoration: underline;
  font-weight: 600;
}

.assistant__form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}


.assistant__input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(6, 8, 15, 0.72);
  color: inherit;
  font-size: 0.95rem;
  padding: 12px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.assistant__input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}


.assistant__input:focus {
  outline: none;
  border-color: rgba(255, 122, 24, 0.65);
  box-shadow: 0 0 0 3px rgba(255, 122, 24, 0.28);
}


.assistant__send {
  border-radius: 999px;
  border: none;
  padding: 11px 20px;
  font-weight: 600;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--accent, #ff7a18), #ff9f45);
  color: #05060a;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.assistant__send:hover,
.assistant__send:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}


.assistant__toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 197, 145, 0.32);
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--accent, #ff7a18), #ff9540);
  color: #05060a;
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  box-shadow: 0 20px 46px -22px rgba(255, 122, 24, 0.65);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.assistant__toggle:hover,
.assistant__toggle:focus-visible,
.assistant__toggle.is-open {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.42);
  box-shadow: 0 24px 58px -24px rgba(255, 122, 24, 0.78);
}

.assistant__toggle-icon {
  width: 22px;
  height: 22px;
  position: relative;
}

.assistant__toggle-icon::before,
.assistant__toggle-icon::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 6px;
}


.assistant__toggle-icon::before {
  border: 2px solid rgba(5, 6, 10, 0.85);
  border-bottom-left-radius: 2px;
  transform: translateY(2px);
}

.assistant__toggle-icon::after {
  width: 6px;
  height: 6px;
  border: 2px solid rgba(5, 6, 10, 0.85);
  border-top: none;
  border-right: none;
  bottom: -6px;
  left: 6px;
  border-bottom-left-radius: 6px;
}

.assistant__toggle-label {
  font-size: 0.92rem;
}

@media (max-width: 480px) {
  .assistant {
    right: clamp(12px, 5vw, 20px);
    bottom: clamp(12px, 5vw, 20px);
    gap: 12px;
  }

  .assistant__panel {
    width: min(92vw, 320px);
    padding: 18px;
  }

  .assistant__toggle {
    padding: 11px 16px;
  }
}

.cert-card-3d:not(.is-active) .blog-item {
  filter: blur(3px) saturate(0.85);
  opacity: 0.55;
  transform: translateY(6px) scale(0.98);
  transition: filter 420ms ease, opacity 420ms ease, transform 420ms cubic-bezier(0.2, 0.9, 0.22, 1);
  pointer-events: none;
}

.cert-card-3d.is-active .blog-item {
  pointer-events: auto;
}

.cert-controls--3d {
  position: absolute;
  left: 50%;
  bottom: -96px;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
  pointer-events: auto;
  transition: none;
}

.cert-controls--3d .button {
  border-radius: 999px;
  padding: 12px 26px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border: none;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

#certifications {
  padding-bottom: 220px;
}

@media (max-width: 720px) {
  #certifications {
    padding-bottom: 260px;
  }

  .cert-carousel-3d {
    height: clamp(340px, 80vh, 420px);
    padding-bottom: 88px;
  }

  .cert-card-3d {
    width: min(78vw, 320px);
    height: clamp(300px, 68vh, 360px);
  }

  .cert-card-3d .blog-item {
    padding: clamp(20px, 5vw, 28px);
  }

  .cert-controls--3d {
    bottom: clamp(-112px, -16vw, -92px);
    gap: 10px;
  }

  .cert-controls--3d .button {
    padding: 10px 20px;
    font-size: 0.95rem;
  }
}

@media (max-width: 540px) {
  .cert-carousel-3d {
    height: clamp(320px, 78vh, 360px);
    padding-bottom: 112px;
    perspective: 1200px;
  }

  .cert-card-3d {
    width: min(86vw, 280px);
    height: clamp(280px, 84vw, 320px);
  }

  .cert-controls--3d {
    bottom: -96px;
  }

  .cert-controls--3d .button {
    padding: 9px 18px;
    font-size: 0.9rem;
  }
}

@media (max-width: 420px) {
  .cert-carousel-3d {
    height: clamp(300px, 86vh, 340px);
    padding-bottom: 128px;
  }

  .cert-card-3d {
    width: min(92vw, 260px);
    height: clamp(260px, 92vw, 300px);
  }

  .cert-card-3d .blog-item {
    padding: clamp(18px, 6vw, 24px);
  }

  .cert-controls--3d {
    bottom: -104px;
  }
}

@media (max-width: 360px) {
  #certifications {
    padding-bottom: 320px;
  }

  .cert-carousel-3d {
    height: clamp(280px, 90vh, 320px);
    padding-bottom: 152px;
    perspective: 1000px;
  }

  .cert-card-3d {
    width: min(96vw, 240px);
    height: clamp(240px, 94vw, 280px);
  }

  .cert-card-3d .blog-item {
    padding: clamp(16px, 7vw, 22px);
    gap: 20px;
  }

  .cert-controls--3d {
    bottom: -136px;
    flex-direction: column;
    width: min(88vw, 260px);
  }

  .cert-controls--3d .button {
    width: 100%;
    padding: 10px 18px;
  }
}

.js-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 380ms ease, transform 520ms cubic-bezier(0.24, 0.82, 0.44, 1);
}

.js-enabled [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.contact {
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.contact-card {
  padding: 36px;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 6, 13, 0.7);
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 24px;
}

.contact-card h3 {
  margin: 0;
}

.contact-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
}

.contact-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.contact-card a {
  color: inherit;
  text-decoration: none;
  letter-spacing: 0.08em;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.62);
}

.contact-form__optional {
  font-size: 0.75rem;
  text-transform: none;
  letter-spacing: 0.04em;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.48);
  margin-left: 6px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  background: rgba(3, 4, 10, 0.7);
  color: inherit;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-status {
  margin: 18px 0 0;
  min-height: 1.4em;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.72);
  transition: color var(--transition);
}

.contact-status::empty {
  display: none;
}

.contact-status.is-info {
  color: rgba(255, 255, 255, 0.72);
}

.contact-status.is-success {
  color: var(--accent, #ff7a18);
}

.contact-status.is-error {
  color: #ff6b6b;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent, #ff7a18);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08);
}

.contact-form textarea {
  min-height: 160px;
  resize: vertical;
}

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 6, 13, 0.6);
  padding: 36px 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 18px;
  justify-content: center;
  align-items: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.footer-links a {
  color: inherit;
  text-decoration: none;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 40px);
  padding: 18px 32px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(4, 5, 12, 0.86);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 500;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease;
  z-index: 1000;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.integrations-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.integrations-list span {
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 6, 13, 0.6);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
}
@media (max-width: 900px) {
}

body.theme-orange {
    right: clamp(0px, 2vw, 40px);
  --accent-soft: rgba(255, 184, 70, 0.9);
  --accent-muted: rgba(255, 112, 67, 0.6);
  --glow: rgba(255, 174, 66, 0.35);
  --bg: #070711;
}

body.theme-green {
  --accent: #49f2c2;
  --accent-soft: rgba(98, 255, 196, 0.85);
  --accent-muted: rgba(39, 153, 134, 0.7);
  --glow: rgba(95, 255, 217, 0.28);
  --bg: #051312;
}

body.theme-yellow {
  --accent: #ffee56;
  --accent-soft: rgba(255, 238, 86, 0.9);
  --accent-muted: rgba(255, 203, 67, 0.74);
  --glow: rgba(255, 244, 148, 0.32);
  --bg: #101004;
}

body.theme-blue {
  --accent: #7db2ff;
  --accent-soft: rgba(125, 178, 255, 0.92);
  --accent-muted: rgba(69, 118, 214, 0.6);
  --glow: rgba(133, 176, 255, 0.28);
  --bg: #060b16;
}

body.theme-violet {
  --accent: #e482ff;
  --accent-soft: rgba(228, 130, 255, 0.9);
  --accent-muted: rgba(170, 82, 210, 0.65);
  --glow: rgba(210, 128, 255, 0.32);
  --bg: #140712;
}

@media (max-width: 1399px) {
  body.menu-open {
    overflow: hidden;
  }

  .site-nav {
    grid-template-columns: 1fr auto;
    gap: 18px;
  }

  .brand {
    justify-self: center;
  }

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

  .site-nav__inline {
    display: none;
  }

  .theme-toggle--inline {
    display: none;
  }

  .nav-toggle {
    display: flex;
    justify-self: end;
  }
}

@media (max-width: 1024px) {
  .site-nav {
    grid-template-columns: auto 1fr;
    row-gap: 18px;
  }

  .site-nav__inline {
    grid-column: 1 / -1;
  }

  .theme-toggle--inline {
    justify-self: end;
  }

  .site-nav__inline .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero__grid,
  .grid--split,
  .contact,
  .cards-grid,
  .works-grid,
  .course-project,
  .seminar-grid {
    grid-template-columns: 1fr;
  }

  .seminar__media {
    aspect-ratio: 4 / 3;
  }

  .hero {
    padding-top: 64px;
  }

  .glass-card {
    width: 100%;
  }

  .course-project__video {
    width: 100%;
    max-width: clamp(480px, 60vw, 860px);
    aspect-ratio: 16 / 9;
    justify-self: center;
    align-self: center;
    margin-inline: auto;
  }
}

@media (max-width: 720px) {
  header {
    position: sticky;
    top: 0;
    background: rgba(6, 8, 15, 0.58);
    z-index: 70;
  }

  .theme-toggle--inline {
    justify-content: center;
  }

  .hero {
    padding: 56px 0 72px;
  }

  .hero::after {
    inset: 12px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    justify-content: center;
  }

  .section {
    padding: 72px 0;
  }

  .footer-content {
    flex-direction: column;
    align-items: center;
  }

  #projets-cours .wrapper {
    width: 100%;
    padding-inline: 18px;
  }

  #projets-cours .course-project {
    margin: 0;
  }

  .course-project__video {
    width: 100%;
    max-width: 100%;
    aspect-ratio: 16 / 9;
    margin-inline: auto;
    align-self: center;
  }
}

/* extra small screens: make the panel narrower and tighter */
@media (max-width: 420px) {
  .site-menu__panel {
    width: 92vw;
    padding: 14px 16px 18px;
    gap: 18px;
    transform: translateX(10px);
  }

  .site-menu__panel .nav-links a {
    font-size: 1rem;
    gap: 16px;
  }

  .site-menu__theme .theme-toggle button {
    width: 40px;
    height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}