/* ============================ GFN250 — Golden Freedom Network ============================
   Dark premium theme matched to the seal/banner artwork: deep navy, gold, glassy panels.
   No external fonts/assets = fast LCP, host anywhere, CSP-safe. */

:root{
  /* page */
  --paper:#0a1226;            /* page background (matches banner art navy) */
  --paper-2:#0d1730;          /* alt section background */
  --panel:rgba(255,255,255,.04);
  --panel-solid:#101c3a;
  --white:#101c3a;            /* legacy var name used by whitepaper toc — now a dark panel */
  /* ink */
  --navy:#dbe4f5;             /* legacy var name — now light link/text color */
  --navy-2:#0a1a36;
  --navy-ink:#f3f6fd;         /* headings */
  --text:#c7d2e8;
  --muted:#8fa0c2;
  /* brand */
  --gold:#c8a24a;
  --gold-2:#b8912f;
  --gold-soft:#e7d8ad;
  --cb-blue:#0052ff;
  --line:rgba(200,162,74,.22);
  --line-soft:rgba(255,255,255,.08);
  --serif:Georgia,'Times New Roman',Cambria,serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --maxw:1120px;
  --radius:14px;
  --shadow:0 20px 60px -24px rgba(0,0,0,.7);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;color:var(--navy-ink);letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
a{color:var(--gold-soft);text-decoration:none}
a:hover{color:#fff}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.narrow{max-width:820px}
.center{text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--sans);font-weight:700;font-size:1rem;
  padding:.85em 1.5em;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .12s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
  text-align:center;white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:.6em 1.1em;font-size:.92rem}
.btn-block{display:flex;width:100%}
.btn-primary{background:linear-gradient(180deg,var(--gold),var(--gold-2));color:#14213d;box-shadow:0 10px 28px -10px rgba(200,162,74,.55)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 34px -10px rgba(200,162,74,.7);color:#0a1226}
.btn-ghost{background:transparent;color:var(--navy-ink);border-color:var(--line-soft)}
.btn-ghost:hover{border-color:var(--gold);background:rgba(200,162,74,.08);color:#fff}
/* Coinbase-branded CTA — solid white, App-Store-button treatment */
.btn-coinbase{
  background:#fff;
  color:#0a1226;
  font-weight:800;
  letter-spacing:-.01em;
  border:none;
  box-shadow:0 14px 36px -14px rgba(0,0,0,.65),0 0 44px -14px rgba(0,82,255,.4);
}
.btn-coinbase:hover{
  background:#fff;
  transform:translateY(-1px);
  box-shadow:0 18px 44px -14px rgba(0,0,0,.7),0 0 60px -12px rgba(0,82,255,.6);
  color:#0a1226;
}
.cb-mark{width:1.35em;height:1.35em;flex-shrink:0;display:inline-block}
.btn-copy{background:linear-gradient(180deg,var(--gold),var(--gold-2));color:#14213d;padding:.6em 1.1em;font-size:.9rem;border-radius:10px}
.btn-copy:hover{filter:brightness(1.08)}
.btn-copy.copied{background:#1d8f5a;color:#fff}

/* ---------- In-app browser banner ---------- */
.inapp-banner{
  background:linear-gradient(180deg,var(--gold),var(--gold-2));color:#14213d;font-size:.9rem;font-weight:600;
  display:flex;gap:14px;align-items:center;justify-content:center;
  padding:10px 18px;text-align:center;flex-wrap:wrap;
}
.inapp-banner strong{color:#0a1226}
.inapp-banner[hidden]{display:none}
.inapp-close{background:rgba(10,18,38,.15);border:1px solid rgba(10,18,38,.35);color:#14213d;border-radius:8px;padding:4px 12px;cursor:pointer;font-size:.85rem;font-weight:700}
.inapp-close:hover{background:rgba(10,18,38,.25)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:40;background:rgba(9,16,34,.82);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line-soft)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:70px}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{width:44px;height:44px;border-radius:10px;display:block;flex-shrink:0;object-fit:cover;box-shadow:0 0 0 1px var(--line)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:var(--serif);font-weight:600;color:var(--navy-ink);font-size:1.02rem;white-space:nowrap}
.brand-ticker{font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--gold)}
.site-nav{display:flex;gap:22px;margin-left:auto}
.site-nav a{font-size:.92rem;color:var(--muted);font-weight:600;white-space:nowrap}
.site-nav a:hover{color:var(--gold-soft)}
.header-inner .btn-coinbase{margin-left:8px}

/* ---------- Hero ---------- */
.hero{background:
  radial-gradient(90% 70% at 80% -10%,rgba(200,162,74,.14),transparent 55%),
  radial-gradient(70% 60% at 10% 110%,rgba(0,82,255,.10),transparent 60%),
  linear-gradient(180deg,#0b1430,var(--paper));
  padding:clamp(48px,7vw,88px) 0;border-bottom:1px solid var(--line-soft)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:700;color:var(--gold);margin-bottom:14px}
.lede{font-size:1.15rem;color:var(--text);max-width:38ch}
.lede strong,.narrative-body strong,.big-answer strong{color:var(--navy-ink)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 22px}
.hero-note{font-size:.85rem;color:var(--muted);margin-top:14px}
.hero-note strong{color:var(--gold-soft)}

/* Contract row */
.ca-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:var(--shadow)}
.ca-row-stack{box-shadow:none;margin-top:14px;background:rgba(255,255,255,.03)}
.ca-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:var(--gold);font-weight:700}
.ca-value{font-size:.86rem;color:var(--gold-soft);word-break:break-all;flex:1;min-width:180px}
.js-copy-ca{flex-shrink:0}

/* Hero visual / banner */
.hero-visual{display:flex;justify-content:center}
.banner-img{width:100%;height:auto;border-radius:var(--radius);display:block;
  border:1px solid rgba(200,162,74,.45);
  box-shadow:0 0 0 1px rgba(200,162,74,.15),0 24px 70px -20px rgba(0,0,0,.8),0 0 90px -30px rgba(200,162,74,.35)}

/* ---------- Sections ---------- */
.section{padding:clamp(52px,7vw,86px) 0}
.section-alt{background:var(--paper-2);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:760px;margin:0 auto 40px;text-align:center}
.section-sub{color:var(--muted);font-size:1.05rem}
.section-sub strong{color:var(--gold-soft)}
.big-answer{font-size:1.22rem;color:var(--navy-ink)}

.fact-list{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:12px;overflow:hidden}
.fact-list li{background:var(--panel-solid);padding:16px 18px;display:flex;flex-direction:column;gap:2px}
.fact-list span{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--gold);font-weight:700}
.fact-list strong{color:var(--navy-ink);font-size:1.02rem}

/* ---------- Narrative ---------- */
.narrative-body{max-width:820px;margin:0 auto 36px}
.narrative-body p{font-size:1.05rem}
.lore-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:900px;margin:0 auto}
.lore-card{background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);padding:24px;position:relative}
.lore-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:linear-gradient(var(--gold),var(--gold-2))}
.lore-card h3{padding-left:14px;color:var(--gold-soft)}
.lore-card p{padding-left:14px;color:var(--muted);margin:0;font-size:.96rem}
.lore-disclaimer{max-width:820px;margin:30px auto 0;text-align:center;font-size:.92rem;color:var(--muted);background:var(--panel);border:1px dashed var(--line);border-radius:12px;padding:16px 20px}
.lore-disclaimer strong{color:var(--gold-soft)}
.motto{max-width:720px;margin:40px auto 0;text-align:center;border:none;padding:0}
.motto p{font-family:var(--serif);font-size:clamp(1.25rem,2.6vw,1.7rem);color:var(--gold-soft);line-height:1.4;margin-bottom:10px}
.motto cite{font-style:normal;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);font-weight:700}

/* ---------- Buy ---------- */
.buy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.buy-card{background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column}
.buy-card-primary{background:linear-gradient(180deg,rgba(0,82,255,.10),rgba(255,255,255,.03));border-color:rgba(0,82,255,.45);box-shadow:0 0 60px -20px rgba(0,82,255,.35)}
.buy-tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800;color:var(--gold);margin-bottom:8px}
.buy-card-primary .buy-tag{color:#6f9dff}
.buy-card h3{margin-bottom:14px}
.steps{margin:0 0 20px;padding-left:20px;color:var(--text)}
.steps li{margin-bottom:10px}
.steps strong{color:var(--navy-ink)}
.buy-card .btn{margin-top:auto}
.buy-fine{font-size:.8rem;color:var(--muted);margin:12px 0 0}

/* ---------- Tokenomics ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}
.stat{background:var(--panel);border:1px solid var(--line-soft);border-radius:12px;padding:18px;text-align:center}
.stat-label{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--gold);font-weight:700;margin-bottom:6px}
.stat-value{font-family:var(--serif);font-size:1.15rem;color:var(--navy-ink)}

/* ---------- FAQ ---------- */
.faq-item{background:var(--panel);border:1px solid var(--line-soft);border-radius:12px;margin-bottom:12px;padding:0 20px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:18px 0;font-weight:700;color:var(--navy-ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--serif);font-size:1.4rem;color:var(--gold);flex-shrink:0}
.faq-item[open]{border-color:var(--line)}
.faq-item[open] summary::after{content:"\2212"}
.faq-item p{margin:0 0 18px;color:var(--muted)}

/* ---------- Community ---------- */
.community-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:12px}

/* ---------- Buy popup ---------- */
.popup-overlay{position:fixed;inset:0;z-index:100;background:rgba(4,8,18,.7);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:22px;opacity:0;transition:opacity .25s ease}
.popup-overlay.visible{opacity:1}
.popup-overlay[hidden]{display:none}
.popup-card{position:relative;background:linear-gradient(180deg,#13224a,#0d1730);border:1px solid var(--line);border-radius:18px;box-shadow:0 40px 100px -20px rgba(0,0,0,.9),0 0 80px -30px rgba(200,162,74,.3);max-width:400px;width:100%;padding:34px 30px 24px;text-align:center;transform:translateY(12px);transition:transform .25s ease}
.popup-overlay.visible .popup-card{transform:translateY(0)}
.popup-logo{width:72px;height:72px;border-radius:16px;margin:0 auto 14px;display:block;box-shadow:0 0 0 1px var(--line),0 0 40px -10px rgba(200,162,74,.4)}
.popup-card h3{font-size:1.45rem;margin-bottom:8px}
.popup-card p{color:var(--muted);font-size:.98rem;margin-bottom:20px}
.popup-close{position:absolute;top:10px;right:14px;background:transparent;border:none;font-size:1.7rem;line-height:1;color:var(--muted);cursor:pointer;padding:6px}
.popup-close:hover{color:#fff}
.popup-later{background:transparent;border:1.5px solid var(--line-soft);border-radius:999px;color:var(--muted);font-size:.92rem;font-weight:700;cursor:pointer;margin-top:14px;padding:.6em 1.6em;transition:border-color .2s ease,color .2s ease}
.popup-later:hover{border-color:var(--gold);color:var(--gold-soft)}
.popup-fine{font-size:.72rem!important;color:var(--muted);margin:16px 0 0!important}

/* ---------- Footer ---------- */
.site-footer{background:#060d1e;color:#c3cee4;padding:52px 0 40px;font-size:.9rem;border-top:1px solid var(--line-soft)}
.footer-top{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-footer .brand-name{color:#fff}
.brand-footer .brand-ticker{color:var(--gold)}
.footer-nav{display:flex;gap:22px;flex-wrap:wrap}
.footer-nav a{color:#c3cee4;font-weight:600}
.footer-nav a:hover{color:var(--gold-soft)}
.disclaimer{margin:26px 0 0;color:#7f8fb0;font-size:.82rem;line-height:1.7;max-width:none}
.disclaimer strong{color:#d9e2f2}
.copyright{margin:20px 0 0;color:#5c6c8f;font-size:.8rem}

/* ---------- Whitepaper page ---------- */
.wp-hero{background:
  radial-gradient(90% 70% at 80% -10%,rgba(200,162,74,.14),transparent 55%),
  linear-gradient(180deg,#0b1430,var(--paper)) !important;
  border-bottom:1px solid var(--line-soft) !important}
.toc{background:var(--panel-solid) !important;border:1px solid var(--line-soft) !important}
.toc strong{color:var(--gold-soft)}
.wp h3{color:var(--gold-soft) !important}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:-1}
  .buy-grid{grid-template-columns:1fr}
  .lore-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .site-nav{display:none}
}
@media (max-width:560px){
  .header-inner .btn-coinbase{display:none}
  .fact-list{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
}

@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}