/* ============================================================
   Doubrek Mining Ventures — feuille de style partagée
   SITE FICTIF (exercice pédagogique CTF / OSINT).
   Voir l'avertissement en pied de chaque page.
   ============================================================ */

:root{
  /* Palette — corporate minier, froid + minéral */
  --navy:#0d1f2d;      /* slate navy — texte primaire, sections sombres */
  --steel:#3f5a6b;     /* bleu acier — secondaire */
  --steel-2:#6d8494;   /* acier clair — labels, méta */
  --lithium:#1f9e8f;   /* teal minéral — accent principal (saumure/lithium) */
  --lithium-d:#177a6f; /* teal foncé — hover */
  --ore:#c07a2b;       /* cuivre/minerai — accent chaud, très parcimonieux */
  --paper:#f4f6f5;     /* blanc cassé froid — fond */
  --panel:#ffffff;     /* panneaux */
  --mist:#dde5e4;      /* bordures claires */
  --mist-2:#eef2f1;    /* fond alterné */
  --ink:#081019;       /* presque noir — pied de page */
  --danger:#b23a2e;    /* rouge — placeholders à compléter */

  --f-display:'Archivo',system-ui,sans-serif;
  --f-body:'Inter',system-ui,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,monospace;

  --wrap:1140px;
  --r:4px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--f-body);color:var(--navy);background:var(--paper);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px;}

/* ---- Bascule de langue : masque l'autre langue ---- */
.lang-fr .en{display:none;}
.lang-en .fr{display:none;}

/* ---- Typo ---- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:700;line-height:1.12;letter-spacing:-.01em;margin:0;color:var(--navy);}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:800;letter-spacing:-.02em;}
h2{font-size:clamp(1.5rem,2.8vw,2.15rem);}
h3{font-size:1.16rem;}
p{margin:0 0 1rem;}
a{color:var(--lithium-d);text-decoration:none;}
a:hover{text-decoration:underline;}
.eyebrow{
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--steel-2);margin:0 0 1rem;display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--lithium);}
.lead{font-size:1.16rem;color:var(--steel);max-width:64ch;}

/* ---- Header ---- */
header.site{position:sticky;top:0;z-index:50;background:rgba(244,246,245,.92);backdrop-filter:blur(9px);border-bottom:1px solid var(--mist);}
.nav{display:flex;align-items:center;gap:26px;height:70px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy);}
.brand:hover{text-decoration:none;}
.brand .mark{width:30px;height:30px;flex:0 0 auto;}
.brand .bt{display:flex;flex-direction:column;line-height:1;}
.brand .bn{font-family:var(--f-display);font-weight:800;font-size:1.02rem;letter-spacing:.01em;}
.brand .bs{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel-2);margin-top:3px;}
.nav-links{display:flex;gap:22px;margin-left:auto;}
.nav-links a{font-size:.9rem;color:var(--steel);font-weight:500;}
.nav-links a:hover{color:var(--navy);text-decoration:none;}
.nav-right{display:flex;align-items:center;gap:16px;}
.lang{display:inline-flex;align-items:center;gap:5px;font-family:var(--f-mono);font-size:.76rem;}
.lang button{background:none;border:none;cursor:pointer;color:var(--steel-2);font:inherit;padding:2px 3px;}
.lang button[aria-pressed="true"]{color:var(--navy);font-weight:600;text-decoration:underline;text-underline-offset:3px;}
.lang .s{color:var(--mist);}
.btn{display:inline-block;font-family:var(--f-body);font-weight:600;font-size:.9rem;padding:.62em 1.15em;border-radius:var(--r);border:1px solid transparent;cursor:pointer;transition:.15s;}
.btn-primary{background:var(--lithium);color:#fff;}
.btn-primary:hover{background:var(--lithium-d);text-decoration:none;}
.btn-ghost{border-color:var(--mist);color:var(--navy);background:transparent;}
.btn-ghost:hover{border-color:var(--steel-2);text-decoration:none;}
.menu-toggle{display:none;background:none;border:1px solid var(--mist);border-radius:var(--r);padding:8px 10px;cursor:pointer;}

/* ---- Hero ---- */
.hero{position:relative;overflow:hidden;background:var(--navy);color:#eaf1f0;}
.hero .contours{position:absolute;inset:0;width:100%;height:100%;opacity:.5;pointer-events:none;}
.hero .wrap{position:relative;padding:98px 28px 88px;}
.hero .eyebrow{color:#7fb8b0;}
.hero .eyebrow::before{background:var(--lithium);}
.hero h1{color:#fff;max-width:17ch;}
.hero .lead{color:#b9cdc9;margin-top:1.3rem;max-width:56ch;}
.hero .cta-row{margin-top:2.2rem;display:flex;gap:14px;flex-wrap:wrap;}
.hero .btn-ghost{border-color:rgba(255,255,255,.28);color:#eaf1f0;}
.hero .btn-ghost:hover{border-color:rgba(255,255,255,.6);}

/* ---- Sections ---- */
section{padding:74px 0;}
section.tight{padding:52px 0;}
.sec-head{max-width:60ch;margin-bottom:2.6rem;}

/* ---- Bandeau chiffres ---- */
.stats{background:var(--panel);border-top:1px solid var(--mist);border-bottom:1px solid var(--mist);}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--mist);}
.stat{background:var(--panel);padding:30px 24px;}
.stat .n{font-family:var(--f-display);font-weight:800;font-size:2rem;color:var(--navy);line-height:1;}
.stat .n small{font-size:1rem;color:var(--lithium);font-weight:700;}
.stat .l{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:var(--steel-2);margin-top:.7rem;}

/* ---- Grilles cartes ---- */
.grid{display:grid;gap:22px;}
.grid.c3{grid-template-columns:repeat(3,1fr);}
.grid.c2{grid-template-columns:repeat(2,1fr);}
.card{background:var(--panel);border:1px solid var(--mist);border-radius:var(--r);padding:28px;}
.card .k{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.12em;color:var(--lithium-d);text-transform:uppercase;margin-bottom:.8rem;}
.card h3{margin-bottom:.5rem;}
.card p{color:var(--steel);font-size:.96rem;margin-bottom:0;}

/* ---- Bloc "dossier / relevé" mono ---- */
.record{border:1px solid var(--mist);border-left:3px solid var(--steel);background:var(--mist-2);border-radius:var(--r);padding:20px 22px;font-family:var(--f-mono);font-size:.84rem;color:var(--navy);}
.record .row{display:flex;gap:12px;padding:4px 0;}
.record .row .kk{color:var(--steel-2);min-width:180px;flex:0 0 auto;}
.record .row .vv{color:var(--navy);}

/* ---- Split section (image contour + texte) ---- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.panel-dark{background:var(--navy);color:#dce8e6;border-radius:var(--r);padding:40px;position:relative;overflow:hidden;}
.panel-dark h3{color:#fff;}
.panel-dark .contours{position:absolute;inset:0;opacity:.35;}
.panel-dark .inner{position:relative;}

/* ---- Liste conformité ---- */
.checks{list-style:none;padding:0;margin:0;display:grid;gap:14px;}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:.97rem;color:var(--steel);}
.checks li::before{content:"";width:8px;height:8px;margin-top:8px;background:var(--lithium);transform:rotate(45deg);flex:0 0 auto;}

/* ---- CTA bande ---- */
.band{background:var(--navy);color:#dce8e6;position:relative;overflow:hidden;}
.band .contours{position:absolute;inset:0;opacity:.4;}
.band .wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;padding:56px 28px;}
.band h2{color:#fff;max-width:22ch;}

/* ---- Pages internes : en-tête ---- */
.page-head{background:var(--navy);color:#eaf1f0;position:relative;overflow:hidden;}
.page-head .contours{position:absolute;inset:0;opacity:.4;}
.page-head .wrap{position:relative;padding:66px 28px 54px;}
.page-head h1{color:#fff;}
.page-head .eyebrow{color:#7fb8b0;}

/* ---- Prose (légales, docs) ---- */
.prose{max-width:78ch;}
.prose h2{margin:2.4rem 0 .8rem;font-size:1.4rem;}
.prose h3{margin:1.8rem 0 .5rem;}
.prose p,.prose li{color:var(--steel);}
.prose ul{padding-left:1.1rem;}
.prose a{color:var(--lithium-d);}
.toc{background:var(--mist-2);border:1px solid var(--mist);border-radius:var(--r);padding:20px 24px;margin-bottom:2.4rem;}
.toc ol{margin:.4rem 0 0;padding-left:1.2rem;}
.toc a{color:var(--steel);}
.todo{color:var(--danger);font-style:italic;font-weight:500;}

/* ---- Formulaire / espace partenaires ---- */
.gate{max-width:440px;margin:0 auto;text-align:center;}
.gate .lock{width:44px;height:44px;margin:0 auto 18px;color:var(--steel-2);}
.gate input{width:100%;font-family:var(--f-mono);font-size:.95rem;padding:.75em .9em;border:1px solid var(--mist);border-radius:var(--r);margin:14px 0;background:var(--panel);}
.gate input:focus{outline:2px solid var(--lithium);border-color:var(--lithium);}
.gate .msg{font-family:var(--f-mono);font-size:.8rem;min-height:1.2em;margin-top:6px;}
.gate .msg.err{color:var(--danger);}
.doc-list{display:none;}
.doc-list.open{display:block;}
.doc-item{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--mist);border-radius:var(--r);background:var(--panel);margin-bottom:12px;text-align:left;}
.doc-item svg{flex:0 0 auto;color:var(--steel);}
.doc-item .di-t{font-weight:600;color:var(--navy);}
.doc-item .di-m{font-family:var(--f-mono);font-size:.72rem;color:var(--steel-2);}

/* ---- Document officiel (pièces fuitées) ---- */
.official{background:var(--panel);border:1px solid var(--mist);border-radius:var(--r);max-width:800px;margin:34px auto;padding:48px 52px;box-shadow:0 1px 0 var(--mist);}
.official .oh{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:2px solid var(--navy);padding-bottom:18px;margin-bottom:26px;}
.official .oh .seal{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel-2);text-align:right;}
.official h2{font-size:1.35rem;}
.official .stamp{display:inline-block;border:2px solid var(--ore);color:var(--ore);font-family:var(--f-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;padding:5px 12px;border-radius:3px;transform:rotate(-4deg);margin-top:10px;}
.official table{width:100%;border-collapse:collapse;font-size:.9rem;margin:16px 0;}
.official td{padding:9px 10px;border-bottom:1px solid var(--mist);vertical-align:top;}
.official td:first-child{font-family:var(--f-mono);font-size:.76rem;color:var(--steel-2);text-transform:uppercase;letter-spacing:.06em;width:38%;}
.official .sig{margin-top:34px;display:flex;justify-content:space-between;align-items:flex-end;}
.official .sig .who{font-family:var(--f-mono);font-size:.8rem;color:var(--navy);}
.official .sig .scrawl{font-family:'Archivo';font-style:italic;font-size:1.4rem;color:var(--steel);opacity:.75;transform:rotate(-3deg);}
.backlink{font-family:var(--f-mono);font-size:.8rem;}

/* ---- Footer ---- */
footer.site{background:var(--ink);color:#9fb2b0;font-size:.9rem;}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:56px 0 40px;}
footer.site h4{color:#e8f0ee;font-size:.78rem;font-family:var(--f-mono);letter-spacing:.14em;text-transform:uppercase;margin-bottom:1rem;font-weight:600;}
footer.site a{color:#9fb2b0;}
footer.site a:hover{color:#fff;}
footer.site .fbrand .bn{font-family:var(--f-display);font-weight:800;color:#fff;font-size:1.1rem;}
footer.site ul{list-style:none;padding:0;margin:0;display:grid;gap:9px;}
footer.site .legal{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.8rem;color:#728683;}
footer.site .legal a{color:#8ba09d;}

/* ---- Avertissement CTF / fictif ---- */
.ctf-notice{background:#060d14;border-top:2px solid var(--ore);}
.ctf-notice .wrap{display:flex;gap:16px 24px;align-items:baseline;flex-wrap:wrap;padding:18px 28px 22px;}
.ctf-notice .label{
  font-family:var(--f-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ore);white-space:nowrap;flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
}
.ctf-notice .label::before{content:"";width:7px;height:7px;background:var(--ore);transform:rotate(45deg);}
.ctf-notice p{margin:0;flex:1 1 320px;max-width:120ch;font-size:.76rem;line-height:1.6;color:rgba(200,214,212,.6);}

/* ---- Responsive ---- */
@media(max-width:860px){
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;background:var(--paper);border-bottom:1px solid var(--mist);padding:16px 28px;gap:16px;}
  .stats .wrap{grid-template-columns:repeat(2,1fr);}
  .grid.c3,.grid.c2{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:32px;}
  footer.site .cols{grid-template-columns:1fr;gap:28px;}
  .official{padding:32px 24px;}
  .official td:first-child{width:44%;}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto;}}
:focus-visible{outline:2px solid var(--lithium);outline-offset:2px;}

/* Petits écrans : alléger l'en-tête */
@media(max-width:560px){
  .nav-right .btn{display:none;}
  .brand .bs{display:none;}
}