/* Inqora — Design system partagé (Phase 0)
   Extrait de inqora.html : jetons de couleur, typographies,
   composants communs (nav, brand, boutons, eyebrow, sections, .rv, footer).
   Aucune règle métier — servira de socle à tous les écrans de l'Indice. */

@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=IBM+Plex+Mono:wght@400;500;700&family=IBM+Plex+Sans:wght@300;400;500;600&display=swap");

:root{
  --ink:#0B1A2E;
  --ink-2:#0E2136;
  --ink-panel:#102540;
  --line:#22436C;
  --line-soft:#182F4C;
  --orange:#EA6320;
  --orange-bright:#F67C3A;
  --orange-dim:rgba(234,99,32,.15);
  --blue:#2E6DB4;
  --blue-bright:#4C8AD1;
  --paper:#E9EEF3;
  --paper-dim:#B7C3D2;
  --slate:#7C8EA4;
  --slate-2:#5A6C82;
  --maxw:1180px;
  --gutter:clamp(20px,5vw,64px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{
  background:var(--ink);color:var(--paper);
  font-family:"IBM Plex Sans",system-ui,sans-serif;font-weight:300;line-height:1.6;font-size:17px;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3{font-family:"Fraunces",Georgia,serif;font-weight:400;line-height:1.08;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
::selection{background:var(--orange);color:var(--ink)}
:focus-visible{outline:2px solid var(--orange-bright);outline-offset:3px;border-radius:2px}

/* Layout */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
section{position:relative}
.sec{padding-block:clamp(88px,12vw,160px)}
.sec__label{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:52px;flex-wrap:wrap}

/* Labels typographiques */
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--blue-bright);display:inline-flex;align-items:center;gap:.7em}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--blue-bright);opacity:.7}
.coords{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.18em;color:var(--slate);text-transform:uppercase}

/* Révélation au scroll */
.rv{opacity:0;transform:translateY(22px);transition:opacity .9s cubic-bezier(.2,.6,.2,1),transform .9s cubic-bezier(.2,.6,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}*{animation:none!important}html{scroll-behavior:auto}}

/* Navigation */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);background:rgba(11,26,46,.74);border-bottom:1px solid var(--line-soft)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px}
.brand__mark{height:32px;width:auto;display:block}
.brand__word{height:20px;width:auto;display:block}
.nav__links{display:flex;align-items:center;gap:34px;font-size:14px;color:var(--paper-dim)}
.nav__links a{position:relative;transition:color .3s}
.nav__links a:hover{color:var(--paper)}
.nav__links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:1px;background:var(--blue-bright);transition:width .3s}
.nav__links a:not(.btn):hover::after{width:100%}
.nav__toggle{display:none}

/* Boutons */
.btn{font-family:"IBM Plex Mono",monospace;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--orange);padding:12px 22px;border-radius:2px;border:1px solid var(--orange);display:inline-flex;align-items:center;gap:.6em;cursor:pointer;transition:background .3s,transform .3s,box-shadow .3s}
.btn:hover{background:var(--orange-bright);border-color:var(--orange-bright);transform:translateY(-2px);box-shadow:0 12px 30px -12px rgba(246,124,58,.6)}
.btn--ghost{background:transparent;color:var(--paper);border-color:var(--line)}
.btn--ghost:hover{background:transparent;border-color:var(--blue-bright);color:var(--blue-bright);box-shadow:none;transform:translateY(-2px)}
.btn--lg{padding:16px 30px;font-size:13px}
.nav .btn{padding:10px 18px}

/* Zone applicative (parcours de l'Indice) */
.app{min-height:60vh;padding-block:clamp(56px,8vw,96px)}
.app__inner{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}

/* Pied de page */
.foot{border-top:1px solid var(--line-soft);padding-block:34px;color:var(--slate)}
.foot__inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.08em}
.foot__inner a:hover{color:var(--orange-bright)}
.foot__brand{display:flex;align-items:center;gap:10px}
.foot__brand .foot__mark{height:24px;width:auto;display:block;opacity:.9}
.foot__brand .foot__word{height:16px;width:auto;display:block;opacity:.9}

/* Formulaires (partagés — cf. §7.2 profil, §12 contact) */
.cform{background:var(--ink-panel);border:1px solid var(--line);border-radius:5px;padding:clamp(22px,3vw,32px)}
.cform__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px;display:flex;flex-direction:column}
.field label{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-bright)}
.field .opt{color:var(--slate-2);letter-spacing:.04em}
.cform input,.cform select,.cform textarea{width:100%;background:var(--ink);border:1px solid var(--line);border-radius:2px;color:var(--paper);padding:12px 13px;font-family:"IBM Plex Sans",sans-serif;font-size:15px;font-weight:300;margin-top:8px;transition:border-color .3s,box-shadow .3s}
.cform textarea{resize:vertical;min-height:96px}
.cform input:focus,.cform select:focus,.cform textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(234,99,32,.15)}
.cform select{appearance:none;-webkit-appearance:none;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--slate) 50%),linear-gradient(135deg,var(--slate) 50%,transparent 50%);background-position:calc(100% - 18px) 21px,calc(100% - 13px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px}
.cform__submit{width:100%;justify-content:center;margin-top:6px}
.cform__note{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.04em;color:var(--slate);margin-top:14px;text-align:center}
.cform__note.err{color:var(--orange-bright)}
.cform__note.ok{color:var(--blue-bright)}
.field--bad input,.field--bad select{border-color:var(--orange);box-shadow:0 0 0 3px rgba(234,99,32,.15)}
@media(max-width:760px){.cform__row{grid-template-columns:1fr;gap:0}}

/* Responsif de base */
@media(max-width:620px){
  body{font-size:16px}
  .nav__links{display:none}
  .nav__links.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;gap:0;background:var(--ink-panel);border-bottom:1px solid var(--line);padding:8px 0}
  .nav__links.open a{padding:14px var(--gutter)}
  .nav__links.open .btn{margin:10px var(--gutter);justify-content:center}
  .nav__toggle{display:inline-flex;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:8px}
  .nav__toggle span{width:22px;height:1.5px;background:var(--paper);display:block}
}