/* ==========================================================================
   TREO SOLUTIONS DRONE : feuille de style commune
   Palette : vert acide #DCFD00, noir #0B0B0B, blanc #FFFFFF
   Appoint : émeraude #1D9E75, gris #6E6E6E, fond pâle #F2F1ED
   Typographie : Manrope variable, 200 à 800
   ========================================================================== */

/* ---------- Fonts (auto-hébergées) ---------- */
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url('../assets/fonts/manrope-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url('../assets/fonts/manrope-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Variables ---------- */
:root {
  --acid: #DCFD00;
  --noir: #0B0B0B;
  --noir-2: #121212;
  --blanc: #FFFFFF;
  --emeraude: #1D9E75;
  --gris: #6E6E6E;
  --fond: #F2F1ED;

  --line-dark: rgba(255, 255, 255, 0.14);
  --line-light: rgba(11, 11, 11, 0.14);

  --font: 'Manrope', 'Segoe UI', Arial, sans-serif;

  --fs-hero: clamp(2.6rem, 8.2vw, 7.2rem);
  --fs-h1: clamp(2.4rem, 6.4vw, 5.4rem);
  --fs-h2: clamp(1.9rem, 4.4vw, 3.6rem);
  --fs-h3: clamp(1.25rem, 2vw, 1.65rem);
  --fs-body: clamp(1rem, 1.15vw, 1.125rem);
  --fs-small: 0.875rem;

  --space-1: clamp(1rem, 2vw, 1.5rem);
  --space-2: clamp(2rem, 4vw, 3.5rem);
  --space-3: clamp(4rem, 9vw, 8.5rem);

  --gutter: clamp(1.25rem, 4vw, 4rem);
  --max-w: 1480px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.8s;
}

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

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

body {
  font-family: var(--font);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--noir);
  background: var(--noir);
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }
strong { font-weight: 700; }

::selection { background: var(--acid); color: var(--noir); }

/* ---------- Accessibilité ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 300;
  padding: 0.8rem 1.4rem;
  background: var(--acid);
  color: var(--noir);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 3px;
}
.theme-light :focus-visible,
.strip-acid :focus-visible {
  outline-color: var(--noir);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Curseur personnalisé (desktop seulement) ---------- */
.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--acid);
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: width 0.25s var(--ease), height 0.25s var(--ease), opacity 0.3s, background-color 0.25s;
  mix-blend-mode: difference;
}
.cursor-dot.is-active { opacity: 1; }
.cursor-dot.is-hover {
  width: 46px;
  height: 46px;
  background: var(--blanc);
}
@media (pointer: coarse), (prefers-reduced-motion: reduce) {
  .cursor-dot { display: none; }
}

/* ---------- Grain cinématographique ---------- */
.grain {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.14'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Triangles signature ---------- */
.tri {
  position: absolute;
  display: block;
  background: var(--acid);
  clip-path: polygon(0 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.tri--sm { width: 14px; height: 14px; }
.tri--md { width: 34px; height: 34px; }
.tri--lg { width: 72px; height: 72px; }
.tri--ghost { background: rgba(220, 253, 0, 0.16); }
.tri--inline {
  position: relative;
  display: inline-block;
  width: 0.55em;
  height: 0.55em;
  margin-right: 0.6em;
  flex: none;
}

/* Nuée de triangles en parallaxe */
.tri-field {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}
.tri-field span {
  position: absolute;
  background: var(--acid);
  clip-path: polygon(0 0, 100% 100%, 0 100%);
  opacity: 0.85;
}
.tri-field span:nth-child(1)  { top: 12%; left: 6%;  width: 18px; height: 18px; opacity: 0.5; }
.tri-field span:nth-child(2)  { top: 26%; left: 88%; width: 30px; height: 30px; opacity: 0.8; transform: rotate(90deg); }
.tri-field span:nth-child(3)  { top: 58%; left: 12%; width: 46px; height: 46px; opacity: 0.25; transform: rotate(180deg); }
.tri-field span:nth-child(4)  { top: 74%; left: 78%; width: 14px; height: 14px; opacity: 0.7; }
.tri-field span:nth-child(5)  { top: 40%; left: 46%; width: 10px; height: 10px; opacity: 0.35; transform: rotate(270deg); }
.tri-field span:nth-child(6)  { top: 86%; left: 32%; width: 26px; height: 26px; opacity: 0.5; transform: rotate(90deg); }
.tri-field span:nth-child(7)  { top: 8%;  left: 58%; width: 20px; height: 20px; opacity: 0.3; transform: rotate(180deg); }
.tri-field span:nth-child(8)  { top: 64%; left: 60%; width: 34px; height: 34px; opacity: 0.18; }
.tri-field span:nth-child(9)  { top: 33%; left: 22%; width: 12px; height: 12px; opacity: 0.6; transform: rotate(45deg); }
.tri-field span:nth-child(10) { top: 90%; left: 90%; width: 40px; height: 40px; opacity: 0.4; transform: rotate(270deg); }

/* ---------- Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: var(--space-3);
}

.theme-dark { background: var(--noir); color: var(--blanc); }
.theme-dark2 { background: var(--noir-2); color: var(--blanc); }
.theme-light { background: var(--fond); color: var(--noir); }
.theme-white { background: var(--blanc); color: var(--noir); }

/* Séparateur hairline */
.hairline {
  border: none;
  height: 1px;
  background: var(--line-dark);
  margin: 0;
}
.theme-light .hairline, .theme-white .hairline { background: var(--line-light); }

/* En-tête de section : étiquette + grand titre */
.sec-head { position: relative; margin-bottom: var(--space-2); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 1.2rem;
}
.eyebrow::before {
  content: '';
  width: 0.62em;
  height: 0.62em;
  background: currentColor;
  clip-path: polygon(0 0, 100% 100%, 0 100%);
}
.theme-light .eyebrow, .theme-white .eyebrow { color: var(--emeraude); }

h1, h2, h3, .display {
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.025em;
  line-height: 0.98;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -0.01em; line-height: 1.15; }

.lead {
  font-size: clamp(1.1rem, 1.6vw, 1.4rem);
  font-weight: 500;
  line-height: 1.5;
  max-width: 58ch;
}
.muted { color: var(--gris); }
.theme-dark .muted, .theme-dark2 .muted { color: rgba(255, 255, 255, 0.62); }
.accent { color: var(--acid); }
.theme-light .accent, .theme-white .accent { color: var(--emeraude); }

/* Numéro décoratif géant de section */
.sec-num {
  position: absolute;
  top: -0.18em;
  right: 0;
  z-index: 0;
  font-size: clamp(6rem, 16vw, 15rem);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.13);
  pointer-events: none;
  user-select: none;
}
.theme-light .sec-num, .theme-white .sec-num { -webkit-text-stroke-color: rgba(11, 11, 11, 0.12); }

/* ---------- Boutons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.9em;
  padding: 1.05em 2.1em;
  border: 1px solid currentColor;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--acid);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.45s var(--ease);
}
.btn::after {
  content: '';
  width: 0.55em;
  height: 0.55em;
  background: currentColor;
  clip-path: polygon(0 0, 100% 100%, 0 100%);
  transition: transform 0.45s var(--ease);
}
.btn:hover, .btn:focus-visible { color: var(--noir); border-color: var(--acid); }
.btn:hover::before, .btn:focus-visible::before { transform: scaleX(1); }
.btn:hover::after, .btn:focus-visible::after { transform: rotate(90deg); }

.btn--solid { background: var(--acid); border-color: var(--acid); color: var(--noir); }
.btn--solid::before { background: var(--blanc); }
.btn--solid:hover, .btn--solid:focus-visible { border-color: var(--blanc); }
.theme-light .btn--solid::before, .theme-white .btn--solid::before { background: var(--noir); }
.theme-light .btn--solid:hover, .theme-white .btn--solid:hover,
.theme-light .btn--solid:focus-visible, .theme-white .btn--solid:focus-visible { color: var(--acid); border-color: var(--noir); }

.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  transition: box-shadow 0.4s;
}
/* Fond flouté dans un pseudo-élément : un backdrop-filter posé directement
   sur le header en ferait le bloc conteneur du menu mobile (position fixed),
   qui se retrouverait coincé dans la hauteur du header. */
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(11, 11, 11, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  opacity: 0;
  transition: opacity 0.4s;
}
.site-header.is-scrolled::before { opacity: 1; }
.site-header.is-scrolled { box-shadow: 0 1px 0 var(--line-dark); }
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 76px;
}
.brand { display: inline-flex; align-items: center; flex: none; }
.brand img { height: 30px; width: auto; }

.main-nav { display: flex; align-items: center; gap: clamp(1.1rem, 1.8vw, 2rem); }
.main-nav a:not(.btn) {
  position: relative;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blanc);
  padding-block: 0.4em;
}
.main-nav a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--acid);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.main-nav a:not(.btn):hover::after,
.main-nav a:not(.btn):focus-visible::after,
.main-nav a[aria-current="page"]::after { transform: scaleX(1); }

.main-nav .btn { padding: 0.78em 1.5em; color: var(--blanc); }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.55);
}
.lang-switch a { color: var(--blanc); }
.lang-switch a:hover { color: var(--acid); }
.lang-switch .is-current { color: rgba(255, 255, 255, 0.45); }

/* Burger */
.nav-toggle {
  display: none;
  position: relative;
  z-index: 220;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--blanc);
  transition: transform 0.35s var(--ease), opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 980px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 210;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    padding: 6rem var(--gutter) 3rem;
    background: var(--noir);
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.4s var(--ease), visibility 0.4s;
  }
  .main-nav.is-open { visibility: visible; opacity: 1; }
  .main-nav a:not(.btn) {
    font-size: clamp(1.6rem, 7vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    padding-block: 0.32em;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s var(--ease), opacity 0.5s;
  }
  .main-nav.is-open a:not(.btn) { transform: none; opacity: 1; }
  .main-nav.is-open a:nth-child(1) { transition-delay: 0.05s; }
  .main-nav.is-open a:nth-child(2) { transition-delay: 0.1s; }
  .main-nav.is-open a:nth-child(3) { transition-delay: 0.15s; }
  .main-nav.is-open a:nth-child(4) { transition-delay: 0.2s; }
  .main-nav.is-open a:nth-child(5) { transition-delay: 0.25s; }
  .main-nav.is-open a:nth-child(6) { transition-delay: 0.3s; }
  .main-nav.is-open a:nth-child(7) { transition-delay: 0.35s; }
  .main-nav .btn { margin-top: 2rem; }
  .main-nav .lang-switch { margin-top: 1.4rem; font-size: 1rem; }
  body.nav-locked { overflow: hidden; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 100svh;
  padding-block: clamp(6rem, 14vh, 9rem) clamp(3rem, 8vh, 5.5rem);
  overflow: hidden;
  background: var(--noir);
  color: var(--blanc);
}
.hero--short { min-height: 78svh; }

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media video,
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 11, 11, 0.55) 0%, rgba(11, 11, 11, 0.25) 40%, rgba(11, 11, 11, 0.78) 100%);
}

.hero .wrap { position: relative; z-index: 4; }

.hero-title {
  font-size: var(--fs-hero);
  max-width: 14ch;
}
.hero-title .accent { color: var(--acid); }

.hero-sub {
  margin-top: 1.6rem;
  max-width: 52ch;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
}
.hero .btn-row { margin-top: 2.4rem; }

/* Mot géant tronqué volontairement hors cadre */
.hero-bleed {
  position: absolute;
  z-index: 2;
  right: -0.06em;
  bottom: -0.14em;
  font-size: clamp(8rem, 24vw, 24rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.18);
  pointer-events: none;
  user-select: none;
}

.scroll-hint {
  position: absolute;
  z-index: 4;
  left: var(--gutter);
  bottom: 1.4rem;
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}
.scroll-hint::after {
  content: '';
  width: 1px;
  height: 38px;
  background: var(--acid);
  animation: hint 2.2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes hint {
  0% { transform: scaleY(0); }
  45% { transform: scaleY(1); }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
@media (max-width: 700px) { .scroll-hint { display: none; } }

/* Hero intérieur (pages sans vidéo) */
.hero--static {
  align-items: center;
  min-height: 64svh;
  padding-top: clamp(7rem, 16vh, 10rem);
}

/* ---------- Bandeau défilant (confiance) ---------- */
.strip-acid {
  background: var(--acid);
  color: var(--noir);
  overflow: hidden;
  padding-block: 1.1rem;
  border-block: 1px solid var(--noir);
}
.marquee {
  display: flex;
  width: max-content;
  gap: 3.2rem;
  animation: marquee 30s linear infinite;
}
.marquee ul {
  display: flex;
  gap: 3.2rem;
  align-items: center;
  flex: none;
}
.marquee li {
  display: inline-flex;
  align-items: center;
  gap: 0.8em;
  font-size: 0.94rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.marquee li::before {
  content: '';
  width: 0.6em;
  height: 0.6em;
  background: var(--noir);
  clip-path: polygon(0 0, 100% 100%, 0 100%);
}
@keyframes marquee {
  to { transform: translateX(calc(-50% - 1.6rem)); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee { animation: none; flex-wrap: wrap; width: auto; }
}

/* ---------- Grilles ---------- */
.grid { display: grid; gap: var(--space-2); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--split { grid-template-columns: 5fr 7fr; align-items: start; }
.grid--split-rev { grid-template-columns: 7fr 5fr; align-items: start; }

@media (max-width: 980px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--split, .grid--split-rev { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
}

/* Décalage asymétrique */
@media (min-width: 981px) {
  .offset-down { transform: translateY(var(--space-2)); }
}

/* ---------- Listes de disciplines / index typographique ---------- */
.index-list { border-top: 1px solid var(--line-dark); }
.theme-light .index-list, .theme-white .index-list { border-color: var(--line-light); }

.index-list > li { border-bottom: 1px solid var(--line-dark); }
.theme-light .index-list > li, .theme-white .index-list > li { border-color: var(--line-light); }

.index-row {
  position: relative;
  display: grid;
  grid-template-columns: 3.4rem 1fr auto;
  align-items: baseline;
  gap: 1.2rem;
  padding-block: 1.6rem;
  transition: padding-left 0.4s var(--ease);
}
a.index-row:hover, a.index-row:focus-visible { padding-left: 1rem; }
a.index-row:hover .index-title, a.index-row:focus-visible .index-title { color: var(--acid); }
.theme-light a.index-row:hover .index-title, .theme-white a.index-row:hover .index-title,
.theme-light a.index-row:focus-visible .index-title, .theme-white a.index-row:focus-visible .index-title { color: var(--emeraude); }

.index-num {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gris);
}
.index-title {
  font-size: clamp(1.3rem, 2.6vw, 2.1rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.015em;
  line-height: 1.1;
  transition: color 0.3s;
}
.index-desc {
  grid-column: 2;
  max-width: 62ch;
  color: var(--gris);
  font-size: 0.98rem;
}
.theme-dark .index-desc, .theme-dark2 .index-desc { color: rgba(255, 255, 255, 0.6); }
.index-arrow {
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--acid);
}
@media (max-width: 640px) {
  .index-row { grid-template-columns: 2.4rem 1fr; }
  .index-arrow { display: none; }
}

/* ---------- Étapes du processus ---------- */
.steps { counter-reset: step; }
.step {
  position: relative;
  display: grid;
  grid-template-columns: minmax(5rem, 9rem) 1fr;
  gap: clamp(1rem, 3vw, 3rem);
  padding-block: clamp(1.8rem, 3.5vw, 3rem);
  border-bottom: 1px solid var(--line-dark);
}
.theme-light .step, .theme-white .step { border-color: var(--line-light); }
.step:first-child { border-top: 1px solid var(--line-dark); }
.theme-light .step:first-child, .theme-white .step:first-child { border-top-color: var(--line-light); }

.step-num {
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--acid);
}
.theme-light .step-num, .theme-white .step-num { -webkit-text-stroke-color: var(--emeraude); }
.step h3 { margin-bottom: 0.5em; }
.step p { max-width: 60ch; color: rgba(255, 255, 255, 0.66); }
.theme-light .step p, .theme-white .step p { color: var(--gris); }

/* ---------- Cartes ---------- */
.card {
  position: relative;
  padding: clamp(1.6rem, 2.6vw, 2.4rem);
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.35s, transform 0.35s var(--ease), background-color 0.35s;
  overflow: hidden;
}
.theme-light .card, .theme-white .card { border-color: var(--line-light); background: var(--blanc); }
.card:hover { border-color: var(--acid); transform: translateY(-4px); }
.theme-light .card:hover, .theme-white .card:hover { border-color: var(--emeraude); }
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 14px;
  height: 14px;
  background: var(--acid);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  opacity: 0;
  transition: opacity 0.3s;
}
.card:hover::before { opacity: 1; }
.card h3 { margin-bottom: 0.7em; }
.card p { color: rgba(255, 255, 255, 0.64); font-size: 0.98rem; }
.theme-light .card p, .theme-white .card p { color: var(--gris); }
.card .card-num {
  display: block;
  margin-bottom: 1.6rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--acid);
}
.theme-light .card .card-num, .theme-white .card .card-num { color: var(--emeraude); }

/* ---------- Médias ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--noir-2);
}
.media-frame img, .media-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.media-frame:hover img { transform: scale(1.04); }
.media-frame--43 { aspect-ratio: 4 / 3; }
.media-frame--169 { aspect-ratio: 16 / 9; }
.media-frame--45 { aspect-ratio: 4 / 5; }

.caption {
  margin-top: 0.8rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gris);
}

/* ---------- Portfolio / études de cas ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.2rem, 2.4vw, 2.4rem);
}
.case-card { position: relative; grid-column: span 6; }
.case-card--wide { grid-column: span 7; }
.case-card--narrow { grid-column: span 5; }
@media (max-width: 860px) {
  .case-card, .case-card--wide, .case-card--narrow { grid-column: span 12; }
}

.case-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--noir-2);
  border: 1px solid var(--line-dark);
  width: 100%;
  text-align: left;
  display: block;
}
.case-thumb video, .case-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease), opacity 0.6s;
}
.case-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(11, 11, 11, 0.82) 100%);
}
.case-thumb:hover video, .case-thumb:hover img { transform: scale(1.045); }
.case-thumb .case-open {
  position: absolute;
  right: 1.1rem;
  top: 1.1rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--blanc);
  font-size: 1.2rem;
  font-weight: 800;
  background: rgba(11, 11, 11, 0.4);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}
.case-thumb:hover .case-open { background: var(--acid); color: var(--noir); border-color: var(--acid); }

.case-meta {
  position: absolute;
  z-index: 2;
  left: 1.3rem;
  right: 1.3rem;
  bottom: 1.1rem;
  color: var(--blanc);
}
.case-tag {
  display: inline-block;
  margin-bottom: 0.55rem;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--acid);
}
.case-meta h3 { font-size: clamp(1.1rem, 1.8vw, 1.5rem); }

/* ---------- Lightbox étude de cas ---------- */
.casebox {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: none;
  background: rgba(11, 11, 11, 0.99);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.casebox.is-open { display: block; }
.casebox-inner {
  max-width: 1180px;
  margin-inline: auto;
  padding: clamp(4.5rem, 9vh, 6rem) var(--gutter) 4rem;
  color: var(--blanc);
}
.casebox video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #000;
  border: 1px solid var(--line-dark);
}
.casebox-close {
  position: fixed;
  top: 1.2rem;
  right: 1.4rem;
  z-index: 410;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-dark);
  background: rgba(11, 11, 11, 0.6);
  color: var(--blanc);
  font-size: 1.5rem;
  line-height: 1;
  transition: background-color 0.3s, color 0.3s;
}
.casebox-close:hover { background: var(--acid); color: var(--noir); }
.casebox-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.4rem, 3vw, 2.6rem);
  margin-top: 2.2rem;
}
@media (max-width: 860px) { .casebox-grid { grid-template-columns: 1fr; } }
.casebox-grid h4 {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 0.7rem;
}
.casebox-grid p { color: rgba(255, 255, 255, 0.74); font-size: 0.98rem; }
.casebox-title { margin-top: 2rem; }
body.casebox-locked { overflow: hidden; }

/* ---------- Statistiques / arguments ---------- */
.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.theme-light .facts, .theme-white .facts { border-color: var(--line-light); }
.fact {
  padding: clamp(1.6rem, 3vw, 2.6rem) clamp(1rem, 2vw, 2rem);
  border-left: 1px solid var(--line-dark);
}
.theme-light .fact, .theme-white .fact { border-color: var(--line-light); }
.fact:first-child { border-left: none; }
.fact strong {
  display: block;
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 0.45em;
}
.fact p { font-size: 0.92rem; color: var(--gris); }
.theme-dark .fact p, .theme-dark2 .fact p { color: rgba(255, 255, 255, 0.6); }
@media (max-width: 860px) {
  .facts { grid-template-columns: 1fr; }
  .fact { border-left: none; border-top: 1px solid var(--line-dark); }
  .fact:first-child { border-top: none; }
  .theme-light .fact, .theme-white .fact { border-color: var(--line-light); }
}

/* ---------- Équipe ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 480px));
  gap: var(--space-2);
}
@media (max-width: 860px) { .team-grid { grid-template-columns: 1fr; } }
.team-card .media-frame { aspect-ratio: 1 / 1; }
.team-card h3 { margin-top: 1.2rem; }
.team-card .role {
  margin-top: 0.3rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--acid);
}
.theme-light .team-card .role, .theme-white .team-card .role { color: var(--emeraude); }
.team-card .mail { display: inline-block; margin-top: 0.7rem; font-weight: 600; border-bottom: 1px solid var(--acid); }

/* ---------- Formulaire ---------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem 1.6rem;
}
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.field input, .field select, .field textarea {
  font: inherit;
  color: inherit;
  background: transparent;
  border: 1px solid var(--line-dark);
  padding: 0.95em 1.1em;
  border-radius: 0;
  transition: border-color 0.3s;
}
.theme-light .field input, .theme-light .field select, .theme-light .field textarea,
.theme-white .field input, .theme-white .field select, .theme-white .field textarea { border-color: var(--line-light); background: var(--blanc); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--acid);
}
.theme-light .field input:focus, .theme-light .field select:focus, .theme-light .field textarea:focus,
.theme-white .field input:focus, .theme-white .field select:focus, .theme-white .field textarea:focus { border-color: var(--emeraude); }
.field textarea { min-height: 160px; resize: vertical; }
.field select { appearance: none; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.form-note { font-size: 0.85rem; color: var(--gris); }

/* ---------- CTA final ---------- */
.cta-final {
  position: relative;
  overflow: hidden;
  text-align: left;
}
.cta-final .display {
  font-size: clamp(2.4rem, 7vw, 6rem);
  max-width: 16ch;
}
.cta-final .btn-row { margin-top: 2.6rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--noir);
  color: var(--blanc);
  border-top: 1px solid var(--line-dark);
  position: relative;
  overflow: hidden;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: var(--space-2);
  padding-block: var(--space-2);
}
@media (max-width: 980px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer-top { grid-template-columns: 1fr; } }

.footer-brand img { height: 34px; width: auto; }
.footer-brand p {
  margin-top: 1.2rem;
  max-width: 34ch;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
}
.footer-sign {
  margin-top: 1.4rem;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--acid);
}

.site-footer h4 {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1.1rem;
}
.footer-links li { margin-bottom: 0.55rem; }
.footer-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.25s;
}
.footer-links a:hover { color: var(--acid); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
  padding-block: 1.4rem;
  border-top: 1px solid var(--line-dark);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a:hover { color: var(--acid); }

/* ---------- Révélations au défilement ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transition-delay: var(--rd, 0s);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

.reveal-line {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s var(--ease);
}
.reveal-line.is-in { transform: scaleX(1); }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-line { opacity: 1; transform: none; }
}

/* ---------- Parallaxe ---------- */
.plx { will-change: transform; }

/* ---------- Divers ---------- */
.kicker-line {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-bottom: var(--space-2);
}
.kicker-line .hairline { flex: 1; }

.page-foot-cta { padding-top: 0; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1.4rem;
}
.breadcrumb a:hover { color: var(--acid); }
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 0.5em; opacity: 0.5; }

.text-cols {
  columns: 2;
  column-gap: var(--space-2);
}
.text-cols p { break-inside: avoid; margin-bottom: 1.1em; }
@media (max-width: 860px) { .text-cols { columns: 1; } }