/* ==========================================================================
   CTR v2 - Socle : jetons, reset, typographie, boutons, navigation, loader.
   Palette CTR : fond bleu-noir, texte ivoire, bleu pour l'action, or pour la
   lumiere et l'energie. Rayon 0 partout, aucune ombre portee.
   ========================================================================== */

:root {
  /* Palette de la societe */
  --bg: #041014;        /* fond */
  --navy: #001746;      /* bleu nuit : bandeau du haut, voile d'introduction */
  --teal: #145369;      /* filets et separations */
  --teal-2: #125571;    /* survols des boutons secondaires */
  --steel: #7C828D;     /* texte discret */
  --paper: #EAEAE6;     /* texte principal */
  --blue: #2596be;      /* action : boutons, liens, focus, progression */
  --gold: #D9A441;      /* lumiere et energie : mot allume, alertes */
  /* Teintes derivees de la palette */
  --surface: #021432;   /* bleu nuit fondu dans le fond : champs, cases */
  --fog: #B6B9BC;       /* entre le texte principal et le gris */

  --f-display: "Outfit", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-body: "Outfit", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --max: 1280px;
  --gutter: clamp(16px, 3.4vw, 40px);
  --section: clamp(96px, 13vw, 180px);
  --bar-h: 36px;
  --nav-h: 74px;

  --e-out: cubic-bezier(.16, 1, .3, 1);
  --e-io: cubic-bezier(.65, 0, .35, 1);

  /* Echelle des plans superposes */
  --z-menu: 40;
  --z-nav: 50;
  --z-progress: 55;
  --z-cc: 70;
  --z-loader: 90;

  color-scheme: dark;
}

/* ------------------------------------------------------------------ reset */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: var(--nav-h);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
img, svg, canvas, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--blue); color: var(--bg); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

.skip {
  position: fixed; left: var(--gutter); top: -120px; z-index: 100;
  background: var(--blue); color: var(--bg);
  padding: 12px 16px; font-family: var(--f-mono); font-size: 13px; text-transform: uppercase;
}
.skip:focus { top: 12px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.wrap {
  width: 100%;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ------------------------------------------------------------- typographie */
.mono {
  font-family: var(--f-mono);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.dim { color: var(--steel); }
.fog { color: var(--fog); }
.accent { color: var(--blue); }

.t-display {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(2.9rem, 7.4vw, 6.6rem);
  line-height: .96;
  letter-spacing: -.035em;
}
.t-h2 {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(2.2rem, 4.9vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -.03em;
}
.t-h3 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  line-height: 1.2;
  letter-spacing: -.012em;
}
.t-display, .t-h2, .t-h3, .band__text { text-wrap: balance; }
.t-lead, .t-body, .manifesto__text { text-wrap: pretty; }
.t-lead {
  font-size: clamp(1.05rem, 1.25vw, 1.2rem);
  line-height: 1.5;
  color: var(--fog);
  max-width: 44ch;
}
.t-body { color: var(--fog); max-width: 60ch; }

/* Mots decoupes par main.js : chaque mot glisse depuis un masque */
.wm { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .1em; margin-bottom: -.1em; }
.wm > span { display: inline-block; }

/* ----------------------------------------------------------------- boutons */
.btn {
  --b-bg: transparent;
  --b-fg: var(--paper);
  --b-bd: var(--paper);
  --b-hbg: var(--teal-2);
  --b-hfg: var(--paper);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 46px;
  padding: 0 18px;
  font-family: var(--f-mono);
  font-size: 13px;
  line-height: 1;
  letter-spacing: .02em;
  text-transform: uppercase;
  white-space: nowrap;
  background: var(--b-bg);
  color: var(--b-fg);
  border: 1px solid var(--b-bd);
  overflow: hidden;
  isolation: isolate;
  translate: var(--mx, 0) var(--my, 0);
  transition: color .45s var(--e-out), border-color .45s var(--e-out), scale .2s var(--e-out);
}
.btn::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  background: var(--b-hbg);
  transform: scaleY(0);
  transform-origin: 50% 100%;
  transition: transform .55s var(--e-out);
}
.btn:hover, .btn:focus-visible { color: var(--b-hfg); border-color: var(--b-hbg); }
.btn:hover::before, .btn:focus-visible::before { transform: scaleY(1); }
.btn:active { scale: .98; }
.btn--primary { --b-bg: var(--blue); --b-fg: var(--bg); --b-bd: var(--blue); --b-hbg: var(--paper); --b-hfg: var(--bg); }
.btn--sm { min-height: 38px; padding: 0 14px; font-size: 12px; gap: 10px; }
.btn__icon { width: 14px; height: 14px; flex: none; transition: transform .55s var(--e-out); }
.btn:hover .btn__icon--ne { transform: translate(2px, -2px); }
.btn:hover .btn__icon--e { transform: translateX(3px); }
.btn:hover .btn__icon--s { transform: translateY(3px); }

/* Texte qui roule au survol : le libelle est duplique par ::after */
.roll { display: inline-block; overflow: hidden; height: 1.25em; line-height: 1.25; vertical-align: top; }
.roll > span { display: block; transition: transform .6s var(--e-out); }
.roll > span::after { content: attr(data-text); display: block; }
a:hover .roll > span, button:hover .roll > span,
a:focus-visible .roll > span, button:focus-visible .roll > span { transform: translateY(-50%); }

.link {
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  transition: background-size .55s var(--e-out), color .3s;
}
.link:hover, .link:focus-visible { background-size: 100% 1px; }

/* --------------------------------------------------------- barre + nav */
.progress {
  position: fixed; inset: 0 0 auto 0; height: 2px; z-index: var(--z-progress);
  background: var(--blue); transform: scaleX(0); transform-origin: 0 50%;
  pointer-events: none;
}

.header {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-nav);
  transition: transform .7s var(--e-out);
}
.header.is-scrolled { transform: translateY(calc(-1 * var(--bar-h))); }
.header.is-hidden { transform: translateY(-100%); }
.menu-open .header { transform: translateY(calc(-1 * var(--bar-h))); }

.bar {
  height: var(--bar-h);
  display: flex; align-items: center; justify-content: center; gap: 14px;
  padding-inline: var(--gutter);
  background: var(--navy);
  font-size: 14px;
  white-space: nowrap; overflow: hidden;
}
.bar a { color: var(--blue); display: inline-flex; align-items: center; gap: 6px; }

.nav {
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding-inline: var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background-color .5s, border-color .5s;
}
.header.is-scrolled .nav, .menu-open .nav { background: var(--bg); border-bottom-color: var(--teal); }

.brand { display: inline-flex; align-items: center; flex: none; }
/* Logo officiel CTR, version negative pour fond sombre (assets/img/source pour l'original) */
.brand__logo { display: block; height: 56px; width: auto; transition: opacity .4s var(--e-out), transform .6s var(--e-out); }
.brand:hover .brand__logo { opacity: .85; transform: translateY(-1px); }

.nav__links { display: flex; gap: 30px; }
.nav__link {
  position: relative; padding-block: 8px;
  font-family: var(--f-mono); font-size: 13px; letter-spacing: .02em; text-transform: uppercase;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 2px; width: 100%; height: 1px;
  background: var(--blue); transform: scaleX(0); transform-origin: 100% 50%;
  transition: transform .55s var(--e-out);
}
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); transform-origin: 0 50%; }
.nav__actions { display: flex; align-items: center; gap: 10px; }

.burger { display: none; position: relative; width: 44px; height: 44px; border: 1px solid var(--teal); }
.burger span {
  position: absolute; left: 12px; right: 12px; height: 1px; background: var(--paper);
  transition: transform .5s var(--e-out), top .5s var(--e-out);
}
.burger span:nth-child(1) { top: 18px; }
.burger span:nth-child(2) { top: 25px; }
.menu-open .burger span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.menu-open .burger span:nth-child(2) { top: 21px; transform: rotate(-45deg); }

.menu {
  position: fixed; inset: 0; z-index: var(--z-menu);
  display: flex; flex-direction: column; justify-content: space-between; gap: 32px;
  padding: calc(var(--nav-h) + 28px) var(--gutter) 28px;
  background: var(--bg);
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path .75s var(--e-io), visibility 0s .75s;
}
.menu-open .menu { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path .75s var(--e-io); }
.menu__links a {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  padding-block: 10px; border-bottom: 1px solid var(--surface);
  font-weight: 300; font-size: clamp(2.2rem, 10vw, 3.6rem); line-height: 1.05; letter-spacing: -.03em;
  opacity: 0; transform: translateY(32px);
  transition: opacity .5s var(--e-out), transform .7s var(--e-out);
}
.menu__links a .mono { color: var(--steel); }
.menu-open .menu__links a { opacity: 1; transform: none; transition-delay: calc(.18s + var(--i, 0) * .06s); }
.menu__foot { display: grid; gap: 8px; }
.menu__foot a { font-size: 1.2rem; overflow-wrap: anywhere; }
body.menu-open { overflow: hidden; }

/* Appel direct, visible quand le numéro de l'en-tête est masqué (tablette, mobile) */
.nav__call { display: none; place-items: center; width: 44px; height: 44px; border: 1px solid var(--teal); color: var(--paper); }
.nav__call svg { width: 20px; height: 20px; }
.nav__call:hover { border-color: var(--paper); }

@media (max-width: 1100px) {
  .nav__links, .nav__tel { display: none; }
  .burger { display: inline-block; }
  .nav__call { display: grid; }
}
@media (max-width: 600px) {
  .nav__cta { display: none; }
  .brand__logo { height: 46px; }
  .bar { justify-content: flex-start; font-size: 13px; }
  .bar__long { display: none; }
}

/* ------------------------------------------------------------------ loader */
.loader { display: none; }
.js:not(.no-loader) .loader {
  position: fixed; inset: 0; z-index: var(--z-loader);
  display: flex; flex-direction: column; justify-content: space-between; gap: 24px;
  padding: 28px var(--gutter);
  background: var(--navy);
  /* Filet de securite : si le script ne prend pas la main, le voile disparait seul */
  animation: loader-failsafe .01s 5s forwards;
}
@keyframes loader-failsafe { to { opacity: 0; visibility: hidden; } }
.loader__row { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.loader__logo { display: block; height: clamp(48px, 6vw, 72px); width: auto; }
.loader__log { display: grid; gap: 6px; color: var(--steel); }
.loader__log span { opacity: 0; }
.loader__log span.is-on { opacity: 1; }
.loader__log b { font-weight: 400; color: var(--paper); }
.loader__count {
  font-family: var(--f-display); font-weight: 200;
  font-size: clamp(5.5rem, 20vw, 17rem); line-height: .78; letter-spacing: -.05em;
  font-variant-numeric: tabular-nums;
}
.loader__bar { position: relative; height: 1px; background: var(--teal); overflow: hidden; }
.loader__bar span { position: absolute; inset: 0; background: var(--blue); transform: scaleX(0); transform-origin: 0 50%; }

@media (prefers-reduced-motion: reduce) {
  .btn, .btn::before, .roll > span, .link, .header, .menu, .menu__links a { transition: none !important; }
}