/* =========================
   QSCOIN — Core Styles
   Palette (chosen):
   Primary  #316CFF
   Cyan     #3FBAF2
   Mist     #D3DAE6
   Indigo   #6258FF
   Ink      #434989
   ========================= */

/* ---------- Tokens (Light by default) ---------- */
:root{
  --brand-primary:#316CFF;
  --brand-cyan:#3FBAF2;
  --brand-mist:#D3DAE6;
  --brand-indigo:#6258FF;
  --brand-ink:#434989;

  --bg:#f7f9fc;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#465066;
  --border:rgba(15,23,42,.10);
  --panel:#f2f5fb;

  --shadow:0 14px 36px rgba(15,23,42,.10);

  --btn-grad: linear-gradient(135deg, var(--brand-primary), var(--brand-indigo));
  --hero-grad: linear-gradient(180deg, var(--brand-cyan), var(--brand-primary) 55%, var(--brand-indigo));
}

/* ---------- Dark mode ---------- */
html[data-theme="dark"]{
  --bg:#0c1224;
  --card:#0f1628;
  --text:#eaf0ff;
  --muted:#a3b0c9;
  --border:rgba(255,255,255,.10);
  --panel:#0d152a;

  --shadow:0 18px 40px rgba(0,0,0,.45);
}

/* ---------- Base ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

.container{max-width:1120px;margin:0 auto;padding:0 16px 64px}
h1,h2,h3{letter-spacing:.2px}
a{color:var(--brand-primary)}

/* ---------- Mini controls (theme & language) ---------- */
.controls{
  position: fixed; right: 14px; top: 14px; z-index: 60;
  display:flex; gap:8px; align-items:center;
}
.control-btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px; border-radius: 12px;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  cursor: pointer; font-weight:700; font-size:13px;
}
.control-btn i{font-size:14px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.reveal.show{opacity:1;transform:none}

/* ---------- HERO ---------- */
.hero{
  margin: 18px auto 18px; padding: 46px 18px 26px; text-align:center;
  border-radius: 22px; border: 1px solid var(--border); box-shadow: var(--shadow);
  color:#fff;
  background:
    radial-gradient(220px 160px at 50% 92px, rgba(255,255,255,.70), rgba(255,255,255,0) 62%),
    var(--hero-grad);
}
.hero-logo{
  width: clamp(200px, 30vw, 280px); height:auto; display:block; margin:0 auto 10px;
  filter: drop-shadow(0 10px 22px rgba(0,0,0,.18));
}
.hero-tagline{
  font-size: clamp(22px, 5.2vw, 34px);
  font-weight: 800; color: #eef5ff;
  margin: 6px 0 10px;
}
.actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin:14px 0 8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 16px;border-radius:14px;font-weight:800;text-decoration:none;
  border:1px solid rgba(255,255,255,.35);
  box-shadow:0 10px 24px rgba(0,0,0,.18);
  transition: transform .15s ease, filter .15s ease, box-shadow .2s ease;
  color:#fff;background: var(--btn-grad);
}
.btn:hover{transform:translateY(-1px); filter:brightness(1.06)}
.btn.secondary{background:#ffffff;color:#0f172a;border-color:var(--brand-mist)}

/* ---------- Cards & Grid ---------- */
.card{
  background: var(--card); border:1px solid var(--border);
  border-radius:18px; padding:18px 18px 16px; box-shadow: var(--shadow);
  margin:16px auto; max-width:950px;
}
.card h2{font-size:26px;margin-bottom:10px}
.card h3{font-size:20px;margin:10px 0 6px}
.grid{
  display:grid; gap:14px; margin:14px auto; max-width:1120px; padding:0 2px;
  grid-template-columns:repeat(3, 1fr);
}
@media (max-width: 900px){ .grid{grid-template-columns:1fr} }

/* ---------- Feature list ---------- */
.feature{
  display:flex; gap:12px; align-items:flex-start;
  border:1px solid var(--border); border-radius:14px; background:var(--panel);
  padding:12px 14px;
}
.feature .f-icon{
  width:26px;height:26px;flex:0 0 26px;border-radius:8px;
  display:grid;place-items:center;background:#e7efff;color:var(--brand-primary);
  border:1px solid var(--border);
}
html[data-theme="dark"] .feature .f-icon{background:#0d1b39}

/* ---------- Tokenomics ---------- */
.tokenomics{list-style:none;padding-left:0;display:grid;gap:8px}
.tokenomics li{
  background: var(--panel);
  border:1px solid var(--border);
  color: var(--text);
  padding:10px 12px; border-radius:10px; font-size:15px;
}
.note{color: var(--muted); font-size:13px}

/* ---------- Roadmap ---------- */
.roadmap{padding-left:18px;display:grid;gap:6px}
.roadmap .done::marker{content:"✔ "; color:#10b981}

/* ---------- Accordion (FAQ) ---------- */
.accordion{display:grid;gap:10px}
.accordion-item{
  border:1px solid var(--border); border-radius:12px; background: var(--panel);
  overflow:hidden;
}
.accordion-header{margin:0}
.accordion-trigger{
  appearance:none;width:100%;text-align:left;cursor:pointer;background:transparent;border:0;
  padding:14px 16px;font-weight:800;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;
}
.accordion-trigger .chev{
  width:10px;height:10px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .2s ease;
}
.accordion-trigger[aria-expanded="true"] .chev{transform:rotate(-135deg)}
.accordion-panel{
  padding:0 16px 0;color:var(--text);
  max-height:0;overflow:hidden;transition:max-height .3s ease, padding .3s ease;
}

/* ---------- Community (Social) ---------- */
.community-card .title{
  font-size:22px; font-weight:800; margin-bottom:10px; text-align:center;
}

.social-list{
  display:flex; justify-content:center; flex-wrap:wrap; gap:12px; margin-top:10px;
}

.social-btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 12px; border-radius:12px;
  background:var(--panel); border:1px solid var(--border);
  color:var(--brand-ink); font-weight:600; text-decoration:none;
  font-size:14px; line-height:1.2;
  transition:transform .15s ease, box-shadow .2s ease, filter .15s ease;
}
.social-btn:hover{transform:translateY(-1px); filter:brightness(1.05)}
.social-btn svg{width:18px; height:18px; flex:0 0 18px;}

/* Brand colors (icon tint only) */
.social-x{color:#111}
html[data-theme="dark"] .social-x{color:#fff}
.social-telegram{color:#27A7E5}
.social-facebook{color:#1877F2}
.social-email{color:var(--brand-primary)}

/* ---------- Footer ---------- */
.site-footer{text-align:center;color:var(--muted);font-size:14px;padding:24px 12px 38px}

/* ===== Whitepaper specific ===== */
.wp-container { max-width: 1024px; }

.wp-hero{
  text-align:center;
  padding: 32px 16px 22px;
  border-radius: 20px;
  border:1px solid var(--border);
  box-shadow: var(--shadow);
  color:#fff;
  background:
    radial-gradient(220px 160px at 50% 90px, rgba(255,255,255,.70), rgba(255,255,255,0) 62%),
    var(--hero-grad);
}
.wp-hero .hero-logo{
  width: clamp(180px, 28vw, 240px);
  display:block; margin: 0 auto 8px;
  filter: drop-shadow(0 10px 22px rgba(0,0,0,.18));
}
.wp-hero .wp-sub{
  color:#eef5ff; opacity:.95; margin:6px 0 10px; font-weight:600;
}

.wp-toc{
  position: sticky; top: 12px;
  margin-top: 14px;
}
.wp-toc h2{ font-size: 20px; margin-bottom: 8px; }
.wp-toc ol{ padding-left: 18px; display:grid; gap:6px; }
.wp-toc a{ color: var(--text); text-decoration: none; }
.wp-toc a:hover{ text-decoration: underline; }

.wp-section{ margin-top:14px; }
.wp-section h2{ font-size:26px; margin-bottom:8px; }
.wp-section h3{ font-size:18px; margin:10px 0 6px; }

.wp-bullets{ padding-left:18px; display:grid; gap:6px; }
.wp-kv{ list-style:none; padding-left:0; display:grid; gap:6px; }
.wp-kv li{ display:flex; gap:8px; }
.wp-kv li span{ min-width:120px; color:var(--muted); }

.wp-compare{ border-top:1px dashed var(--border); padding-top:10px; margin-top:10px; }

/* ===== Whitepaper layout ===== */
.wp-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  align-items:start;
  margin-top:14px;
}
.wp-toc{
  position: static !important;  /* mobile: non-sticky */
  z-index: 1;
  margin-bottom: 8px;
}
.wp-content{
  position: relative;
  z-index: 0;
  min-width: 0;
}

/* Desktop */
@media (min-width: 980px){
  .wp-grid{
    grid-template-columns: 300px 1fr;
    gap: 18px;
  }
  .wp-toc{
    position: sticky !important;
    top: 16px;
    z-index: 0;
    margin-bottom: 0;
  }
     }