/* Golden Engineering — shared styles (topbar, footer, buttons, tokens).
   Tokens are a SUPERSET of the three mockups, incl. aliases (--muted-2/--muted2, --bg-card/--card)
   so page-specific stylesheets (home.css, project.css) can coexist. Page CSS is loaded per-view. */
:root{
  --bg:#0e1014;--bg-soft:#161922;--bg-card:#1b1f29;--card:#1b1f29;
  --text:#f5f1ea;--ink:#f5f1ea;--muted:#b6aea2;--muted-2:#8b8377;--muted2:#8b8377;
  --gold:#c9a24d;--gold-light:#e6c772;--gold-deep:#9e7c2e;
  --line:rgba(255,255,255,.10);--white:#fff;
  --shadow:0 28px 80px rgba(0,0,0,.42);
  --radius:22px;--max:1200px;
  --serif:'Fraunces',Georgia,serif;
  --danger:#d96b5f;--ok:#7bc58d;--panel:#161922;--panel-2:#1b1f29;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;background:radial-gradient(900px 500px at 12% -5%,rgba(201,162,77,.16),transparent 55%),radial-gradient(700px 500px at 92% 8%,rgba(255,255,255,.05),transparent 50%),var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 44px));margin:0 auto}
.serif{font-family:var(--serif);font-weight:500;letter-spacing:-.01em}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* NAV */
.topbar{position:sticky;top:0;z-index:60;border-bottom:1px solid var(--line);background:rgba(14,16,20,.74);backdrop-filter:blur(18px)}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;font-size:15px}
.brand-mark{width:42px;height:42px;border-radius:13px;border:1px solid rgba(201,162,77,.5);background:linear-gradient(135deg,var(--gold),var(--gold-light));display:grid;place-items:center;color:#15120b;font-weight:900;font-family:var(--serif);box-shadow:0 10px 30px rgba(201,162,77,.25)}
.brand small{display:block;color:var(--muted);font-weight:500;letter-spacing:.01em;text-transform:none;margin-top:-3px;font-size:11px}
.nav-links{display:flex;align-items:center;gap:26px;color:var(--muted);font-size:14px;font-weight:500}
.nav-links a{transition:color .2s}
.nav-links a:hover{color:var(--white)}
.nav-actions{display:flex;align-items:center;gap:11px}
.lang{font-size:12.5px;color:var(--muted-2);font-weight:600;cursor:pointer}
.lang b{color:var(--gold-light)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:14px;cursor:pointer;transition:transform .2s,border-color .2s,background .2s,box-shadow .2s;white-space:nowrap;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#15120b;background:linear-gradient(135deg,var(--gold-light),var(--gold));box-shadow:0 16px 40px rgba(201,162,77,.26)}
.btn-primary:hover{box-shadow:0 20px 50px rgba(201,162,77,.36)}
.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:rgba(255,255,255,.28)}
.btn-dark{background:#17120b;color:var(--white)}
.btn-dark:hover{background:#241c10}
.menu-btn{display:none;width:44px;height:44px;border-radius:13px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--white);font-size:21px;cursor:pointer}

/* SECTION primitives (shared by home + project) */
.section{padding:84px 0;border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}
.kicker{color:var(--gold-light);font-weight:800;text-transform:uppercase;letter-spacing:.14em;font-size:11.5px;margin-bottom:11px}
h2{font-family:var(--serif);font-weight:500;font-size:clamp(30px,3.8vw,48px);line-height:1.04;letter-spacing:-.02em;max-width:740px}
.section-head p{color:var(--muted);max-width:400px;font-size:15px}

/* CTA (shared) */
.cta{padding:90px 0;background:radial-gradient(700px 400px at 22% 18%,rgba(201,162,77,.2),transparent 55%),linear-gradient(135deg,#16191f,#0c0e12);border-top:1px solid var(--line)}
.cta-box{text-align:center;max-width:780px;margin:0 auto}
.cta-box h2{margin:0 auto 16px}
.cta-box p{color:var(--muted);font-size:17px;max-width:600px;margin:0 auto 26px}

/* FOOTER */
footer{padding:38px 0;border-top:1px solid var(--line);color:var(--muted-2);font-size:14px}
.footer-row{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}

/* mobile panel */
.mobile-panel{display:none}
@media(max-width:820px){
  .nav-links,.nav-actions{display:none}
  .menu-btn{display:block}
  .mobile-panel.open{display:grid;gap:8px;padding:0 0 16px}
  .mobile-panel a{padding:12px 0;color:var(--muted);border-bottom:1px solid var(--line)}
  .section-head{display:block}.section-head p{margin-top:11px}
  .section{padding:60px 0}
}

/* Lightbox (gallery viewer with zoom) */
.lb{position:fixed;inset:0;z-index:200;display:none;background:rgba(8,9,12,.93);backdrop-filter:blur(6px)}
.lb.open{display:block}
.lb-stage{position:absolute;inset:0;display:grid;place-items:center;overflow:hidden;padding:24px}
.lb-img{max-width:92vw;max-height:86vh;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.6);cursor:zoom-in;transition:transform .25s ease;will-change:transform;user-select:none;-webkit-user-drag:none}
.lb.zoomed .lb-img{cursor:zoom-out}
.lb-cap{position:absolute;left:0;right:0;bottom:18px;text-align:center;color:#f5f1ea;font-size:14px;pointer-events:none;text-shadow:0 2px 8px rgba(0,0,0,.6)}
.lb-count{position:absolute;top:18px;left:20px;color:rgba(245,241,234,.82);font-size:13px;font-weight:700}
.lb-btn{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(20,18,12,.55);color:#fff;font-size:26px;cursor:pointer;display:grid;place-items:center;backdrop-filter:blur(8px);line-height:1}
.lb-prev{left:18px}
.lb-next{right:18px}
.lb-close{position:absolute;top:14px;right:18px;width:46px;height:46px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(20,18,12,.55);color:#fff;font-size:20px;cursor:pointer;backdrop-filter:blur(8px)}
.lb-btn:hover,.lb-close:hover{border-color:var(--gold-light)}
@media(max-width:640px){.lb-btn{width:42px;height:42px;font-size:22px}.lb-img{max-width:96vw;max-height:80vh}}

/* cookie banner (Phase 7) */
.cookie-banner{position:fixed;left:0;right:0;bottom:0;z-index:80;display:none;background:rgba(14,16,20,.92);backdrop-filter:blur(14px);border-top:1px solid var(--line)}
.cookie-banner.show{display:block}
.cookie-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:space-between;padding:16px 0}
.cookie-inner p{color:var(--muted);font-size:13.5px;max-width:760px}
.cookie-inner a{color:var(--gold-light);font-weight:700}

/* ---- Error page (404 / 403 / 500) ---- */
.error-page{display:grid;place-items:center;min-height:62vh;text-align:center;padding:80px 0}
.error-inner{max-width:560px}
.error-code{font-family:var(--serif);font-weight:600;font-size:clamp(72px,18vw,140px);line-height:1;background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px}
.error-inner h1{font-family:var(--serif);font-weight:600;font-size:clamp(26px,5vw,38px);margin-bottom:14px}
.error-text{color:var(--muted);font-size:16px;margin-bottom:28px}
.error-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.error-rid{margin-top:26px;color:var(--muted-2);font-size:12.5px}
.error-rid code{color:var(--muted);font-size:12px}