/* ═══════════════════════════════════════════════════════
   ARCHI — Base CSS
   Modifie ce fichier pour changer les styles globaux du site.
   Touche aux pages individuelles uniquement pour leurs styles propres.
   ═══════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ── */
:root {
  --bg:#080C14; --bg2:#0D1220; --bg3:#111827;
  --border:rgba(255,255,255,0.08); --border-active:rgba(255,255,255,0.2);
  --text:#F0F4FF; --text-muted:rgba(240,244,255,0.55); --text-dim:rgba(240,244,255,0.28);
  --A-light:#4A7FBF; --R-light:#43A047; --C-light:#FB8C00;
  --H-light:#C0390C; --I-light:#7B1FA2;
  --gold:#C9A84C; --gold-light:#E8C96A;
}

/* ── RESET ── */
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);font-family:'Outfit',sans-serif;font-weight:300;overflow-x:hidden;font-size:16px;}
body::before{content:'';position:fixed;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");pointer-events:none;z-index:1000;opacity:0.4;}

/* ── SCROLLBAR ── */
::-webkit-scrollbar{width:4px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:rgba(201,168,76,0.3);}

/* ── NAV ── */
nav{position:fixed;top:0;left:0;right:0;z-index:200;padding:0 48px;display:flex;align-items:stretch;justify-content:space-between;border-bottom:1px solid var(--border);background:rgba(8,12,20,0.92);backdrop-filter:blur(20px);height:64px;}
.nav-logo{font-family:'DM Mono',monospace;font-size:13px;letter-spacing:4px;color:var(--gold);text-transform:uppercase;text-decoration:none;display:flex;align-items:center;}
.nav-center{display:flex;align-items:stretch;gap:0;}
.nav-item{position:relative;display:flex;align-items:center;}
.nav-link{font-family:'DM Mono',monospace;font-size:11px;letter-spacing:1.5px;color:var(--text-muted);text-decoration:none;text-transform:uppercase;padding:0 18px;height:100%;display:flex;align-items:center;gap:6px;transition:color 0.2s;border-bottom:2px solid transparent;}
.nav-link:hover{color:var(--text);}
.nav-link.has-dropdown::after{content:'▾';font-size:8px;opacity:0.5;}
/* Dropdown */
.nav-dropdown{position:absolute;top:100%;left:0;min-width:220px;background:rgba(13,18,32,0.98);border:1px solid var(--border);border-top:none;display:none;flex-direction:column;z-index:300;}
.nav-item:hover .nav-dropdown{display:flex;}
.nav-dropdown a{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--text-muted);text-decoration:none;padding:14px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;transition:all 0.2s;}
.nav-dropdown a:last-child{border-bottom:none;}
.nav-dropdown a:hover{color:var(--text);background:rgba(255,255,255,0.03);}
.nav-dropdown a span{font-size:14px;}
.nav-submenu{display:none;position:absolute;left:0;right:0;top:100%;z-index:250;padding:10px 48px;background:rgba(8,12,20,0.95);border-bottom:1px solid var(--border);gap:10px;justify-content:center;align-items:center;}
.brique-page nav .nav-submenu{display:flex;}
.nav-submenu-link{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:1.5px;color:var(--text-muted);text-decoration:none;padding:8px 14px;border:1px solid transparent;border-radius:10px;text-transform:uppercase;transition:all 0.2s;}
.nav-submenu-link.bc-A{border-color:rgba(74,127,191,0.35);}
.nav-submenu-link.bc-R{border-color:rgba(27,94,32,0.35);}
.nav-submenu-link.bc-C{border-color:rgba(230,81,0,0.35);}
.nav-submenu-link.bc-H{border-color:rgba(192,57,12,0.35);}
.nav-submenu-link.bc-I{border-color:rgba(123,31,162,0.35);}
.nav-submenu-link:hover,.nav-submenu-link.active{color:var(--text);background:rgba(255,255,255,0.04);}
.nav-cta{font-family:'DM Mono',monospace;font-size:12px;letter-spacing:2px;color:var(--bg);background:var(--gold);padding:12px 24px;text-decoration:none;text-transform:uppercase;display:flex;align-items:center;transition:all 0.3s;margin:12px 0 12px 24px;}
.nav-cta:hover{background:var(--gold-light);transform:translateY(-2px);}
/* Hamburger */
.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none;}
.nav-hamburger span{width:22px;height:1.5px;background:var(--text-muted);display:block;transition:all 0.3s;}
.nav-hamburger.open span:nth-child(1){transform:rotate(45deg) translate(4.5px,4.5px);}
.nav-hamburger.open span:nth-child(2){opacity:0;}
.nav-hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(4.5px,-4.5px);}
/* Mobile drawer */
.nav-mobile{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;background:rgba(8,12,20,0.98);backdrop-filter:blur(20px);z-index:190;padding:32px 24px;flex-direction:column;gap:4px;overflow-y:auto;}
.nav-mobile.open{display:flex;}
.nav-mobile-link{font-family:'DM Mono',monospace;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--text-muted);text-decoration:none;padding:16px 0;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;transition:color 0.2s;}
.nav-mobile-link:hover{color:var(--text);}
.nav-mobile-section{font-family:'DM Mono',monospace;font-size:9px;letter-spacing:3px;text-transform:uppercase;color:var(--text-dim);padding:20px 0 8px;margin-top:8px;}
.nav-mobile-sub{font-family:'DM Mono',monospace;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--text-muted);text-decoration:none;padding:12px 0 12px 16px;border-bottom:1px solid rgba(255,255,255,0.04);display:flex;align-items:center;gap:10px;transition:color 0.2s;}
.nav-mobile-sub:hover{color:var(--text);}
.nav-mobile-cta{font-family:'DM Mono',monospace;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--bg);background:var(--gold);padding:16px 24px;text-decoration:none;text-align:center;margin-top:24px;transition:background 0.2s;}
.nav-mobile-cta:hover{background:var(--gold-light);}

/* ── SECTIONS COMMUNES ── */
section{padding:100px 60px;position:relative;}
.section-label{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:4px;color:var(--gold);text-transform:uppercase;margin-bottom:16px;display:flex;align-items:center;gap:12px;}
.section-label::before{content:'';width:24px;height:1px;background:var(--gold);}
.section-title{font-family:'DM Serif Display',serif;font-size:clamp(26px,2.8vw,38px);line-height:1.15;margin-bottom:20px;max-width:750px;}
.section-subtitle{font-size:15px;line-height:1.75;color:var(--text-muted);max-width:560px;margin-bottom:56px;}
.divider{height:1px;background:var(--border);margin:0 60px;}

/* ── BOUTONS ── */
.btn-primary{font-family:'DM Mono',monospace;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--bg);background:var(--gold);padding:16px 32px;text-decoration:none;transition:all 0.3s;display:inline-block;}
.btn-primary:hover{background:var(--gold-light);transform:translateY(-2px);}
.btn-ghost{font-family:'DM Mono',monospace;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--text-muted);text-decoration:none;display:flex;align-items:center;gap:8px;transition:color 0.3s;}
.btn-ghost:hover{color:var(--text);}
.btn-ghost::after{content:'→';}

/* ── FOOTER ── */
footer{padding:36px 60px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}
.footer-logo{font-family:'DM Mono',monospace;font-size:12px;letter-spacing:4px;color:var(--gold);text-transform:uppercase;}
.footer-links{display:flex;gap:28px;list-style:none;}
.footer-links a{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:2px;color:var(--text-dim);text-decoration:none;text-transform:uppercase;transition:color 0.2s;}
.footer-links a:hover{color:var(--text-muted);}
.footer-copy{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:1px;color:var(--text-dim);}

/* ── COULEURS BRIQUES (partagées partout) ── */
.bc-A{background:rgba(42,82,152,0.08);} .bc-A .brique-letter,.lp-A .layer-letter{color:var(--A-light);}
.bc-R{background:rgba(27,94,32,0.08);} .bc-R .brique-letter,.lp-R .layer-letter{color:var(--R-light);}
.bc-C{background:rgba(230,81,0,0.08);} .bc-C .brique-letter,.lp-C .layer-letter{color:var(--C-light);}
.bc-H{background:rgba(139,37,0,0.08);} .bc-H .brique-letter,.lp-H .layer-letter{color:var(--H-light);}
.bc-I{background:rgba(74,20,140,0.1);} .bc-I .brique-letter,.lp-I .layer-letter{color:var(--I-light);}

/* ── MOBILE ── */
@media(max-width:768px){
  nav{padding:0 20px;}
  .nav-center{display:none;}
  .nav-cta{display:none;}
  .nav-hamburger{display:flex;}
  .nav-submenu{display:none !important;}
  section{padding:56px 20px;}
  .divider{margin:0 20px;}
  .section-title{font-size:26px;max-width:100%;}
  .section-subtitle{font-size:14px;max-width:100%;margin-bottom:36px;}
  footer{flex-direction:column;gap:16px;padding:28px 20px;text-align:center;}
  .footer-links{gap:16px;flex-wrap:wrap;justify-content:center;}
}
@media(min-width:769px) and (max-width:1024px){
  nav{padding:0 28px;}
  section{padding:72px 32px;}
  .divider{margin:0 32px;}
}