/* ---------- Deep Beta Technology LLC · yellow-gray dark theme ---------- */
:root {
  --bg:        #0e1014;
  --bg-2:      #14171d;
  --panel:     #15181f;
  --panel-2:   #1b1f27;
  --line:      #2a2f3a;
  --line-soft: #20242c;
  --text:      #e8e3d4;
  --muted:     #9a9582;
  --muted-2:   #6f6c5e;
  --yellow:    #f5c518;
  --yellow-2:  #d9a900;
  --yellow-soft:#f5c51822;
  --green:     #4ade80;
  --red:       #ef6f6f;
  --warm:      #c8b977;
  --radius:    14px;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 80% -100px, #1a1c1233, transparent 60%),
              radial-gradient(900px 500px at -10% 10%, #2a230a22, transparent 60%),
              var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--yellow); text-decoration: none; }
a:hover { color: var(--yellow-2); }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 0.6em; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }

/* ---------- TOP BAR ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14,16,20,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.topbar-inner {
  max-width: 1480px; margin: 0 auto; padding: 12px 22px;
  display: flex; align-items: center; gap: 22px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand-logo { width: 28px; height: 28px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1; font-family: var(--mono); }
.brand-line-1 { color: var(--yellow); font-size: 11px; letter-spacing: 0.18em; }
.brand-line-2 { color: var(--text); font-size: 14px; font-weight: 700; letter-spacing: 0.18em; margin-top: 3px; }

.topnav { display: flex; gap: 18px; margin-left: 14px; flex: 1; }
.topnav a {
  color: var(--muted); font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.08em; text-transform: lowercase;
}
.topnav a:hover { color: var(--yellow); }

.topctas { display: flex; align-items: center; gap: 10px; }
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 10px var(--green);
  animation: pulse 1.6s infinite;
}
@keyframes pulse { 0%,100% {opacity:1} 50% {opacity:0.4} }
.status-text { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 0.08em; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 8px;
  font-family: var(--mono); font-size: 12.5px; font-weight: 600;
  letter-spacing: 0.04em; cursor: pointer;
  border: 1px solid transparent; transition: 0.15s ease;
  white-space: nowrap;
}
.btn.lg { padding: 12px 18px; font-size: 13.5px; }
.btn-primary { background: var(--yellow); color: #1a1500; border-color: var(--yellow-2); }
.btn-primary:hover { background: var(--yellow-2); color: #1a1500; }
.btn-ghost {
  background: transparent; color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--yellow); color: var(--yellow); }

/* ---------- HERO ---------- */
.hero { max-width: 1480px; margin: 0 auto; padding: 56px 22px 24px; }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 28px; align-items: stretch;
}
@media (max-width: 1100px) { .hero-grid { grid-template-columns: 1fr; } }

.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11.5px; color: var(--warm);
  letter-spacing: 0.16em; margin-bottom: 18px;
}
.kicker .dot { width:8px; height:8px; border-radius:50%; background: var(--yellow); box-shadow:0 0 10px var(--yellow);}

.hero h1 {
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.hero h1 .num {
  color: var(--yellow);
  font-family: var(--mono);
  font-weight: 800;
}
.hero h1 .acc { color: var(--warm); }

.lede {
  margin-top: 20px; font-size: 17px; color: var(--muted);
  max-width: 60ch;
}

.hero-ctas { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }

.hero-meta {
  margin-top: 28px; display: flex; gap: 28px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px; color: var(--muted);
}
.hero-meta b { color: var(--text); font-weight: 600; }

/* ---------- TICKERS ---------- */
.tickers { display: flex; flex-direction: column; gap: 14px; }
.ticker-row {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.row-head {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 10px;
}
.row-head .dot { width:8px; height:8px; border-radius:50%; background: var(--green); box-shadow: 0 0 8px var(--green);}
.row-label { color: var(--yellow); }
.row-class { color: var(--muted-2); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-time { color: var(--muted); }

.row-cards {
  display: grid; grid-template-columns: repeat(5, minmax(0,1fr));
  gap: 10px;
}
@media (max-width: 700px) { .row-cards { grid-template-columns: repeat(2, 1fr); } }

.card {
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 10px 12px;
  font-family: var(--mono);
  display: flex; flex-direction: column; gap: 2px;
  min-height: 78px;
}
.card .sym { color: var(--muted); font-size: 11px; letter-spacing: 0.1em; }
.card .px  { color: var(--text); font-size: 17px; font-weight: 700; }
.card .chg { font-size: 11px; }
.card .chg.up   { color: var(--green); }
.card .chg.down { color: var(--red); }
.card .vol { color: var(--muted-2); font-size: 10.5px; margin-top: 2px; }

/* live price tick flash */
.card { transition: border-color 0.4s ease, box-shadow 0.4s ease; }
.card.tick-up   { animation: tickUp   0.6s ease; }
.card.tick-down { animation: tickDown 0.6s ease; }
@keyframes tickUp {
  0%   { border-color: var(--green); box-shadow: 0 0 0 1px var(--green); }
  100% { border-color: var(--line-soft); box-shadow: none; }
}
@keyframes tickDown {
  0%   { border-color: var(--red); box-shadow: 0 0 0 1px var(--red); }
  100% { border-color: var(--line-soft); box-shadow: none; }
}
@media (prefers-reduced-motion: reduce) {
  .card.tick-up, .card.tick-down { animation: none; }
}

/* ---------- PANELS ---------- */
.panel {
  max-width: 1480px; margin: 22px auto;
  padding: 26px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.panel-head { margin-bottom: 22px; }
.panel-head h2 {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 14px;
  letter-spacing: 0.16em; color: var(--warm);
  text-transform: uppercase;
}
.panel-head .bar {
  width: 4px; height: 18px; background: var(--yellow); border-radius: 2px;
  display: inline-block;
}
.panel-head p { margin-top: 8px; }

/* ---------- MODELS GRID ---------- */
.model-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.model {
  border: 1px solid var(--line-soft);
  background: var(--panel-2);
  border-radius: 10px;
  padding: 16px;
  position: relative;
  transition: 0.15s ease;
}
.model:hover { border-color: var(--yellow); transform: translateY(-2px); }
.model h3 {
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.12em; color: var(--yellow); margin-bottom: 6px;
}
.model p { color: var(--muted); font-size: 13.5px; margin: 0; }

/* ---------- ASSETS ---------- */
.asset-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.asset-card {
  border: 1px solid var(--line-soft);
  background: var(--panel-2);
  border-radius: 10px;
  padding: 16px 18px;
}
.asset-card h3 {
  color: var(--text); font-size: 15px; margin-bottom: 4px;
}
.asset-card p { color: var(--muted); font-size: 13.5px; margin: 0; }

/* ---------- FEATURES ---------- */
.feat-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.feat {
  border: 1px solid var(--line-soft);
  background: var(--panel-2);
  border-radius: 10px;
  padding: 18px;
}
.feat-tag {
  display: inline-block; font-family: var(--mono); font-size: 10.5px;
  color: var(--yellow); border: 1px solid var(--yellow);
  padding: 2px 8px; border-radius: 4px; letter-spacing: 0.14em;
  margin-bottom: 10px;
}
.feat h3 { font-size: 16px; margin-bottom: 4px; }
.feat p { color: var(--muted); font-size: 13.5px; margin: 0; }

/* ---------- STACK ---------- */
.stack {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 10px;
}
.stack li {
  display: grid; grid-template-columns: 56px 220px 1fr; gap: 16px;
  padding: 16px; border: 1px solid var(--line-soft);
  background: var(--panel-2); border-radius: 10px;
  align-items: start;
}
@media (max-width: 720px) { .stack li { grid-template-columns: 56px 1fr; } .stack li p { grid-column: 1 / -1; } }
.stack .step {
  font-family: var(--mono); font-weight: 700;
  color: var(--yellow); font-size: 18px;
}
.stack h3 { font-size: 15px; }
.stack p { color: var(--muted); margin: 0; font-size: 13.5px; }

/* ---------- PERFORMANCE ---------- */
.perf-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  margin-bottom: 22px;
}
.perf-card {
  background: var(--panel-2); border: 1px solid var(--line-soft);
  border-radius: 10px; padding: 16px 18px; text-align: left;
}
.perf-k {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em;
  color: var(--muted); text-transform: uppercase;
}
.perf-v {
  font-family: var(--mono); font-size: 30px; font-weight: 700;
  color: var(--yellow); margin: 6px 0 4px;
}
.perf-sub { color: var(--muted-2); font-size: 12px; }

.chart-wrap {
  background: var(--panel-2); border: 1px solid var(--line-soft);
  border-radius: 10px; padding: 16px;
}
.chart-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 10px; flex-wrap: wrap;
}
.chart-title { font-family: var(--mono); font-size: 13px; color: var(--warm); letter-spacing: 0.1em; }
.chart-sub { font-size: 12px; }
.chart {
  width: 100%; height: 320px; display: block;
  background:
    linear-gradient(transparent 95%, var(--line-soft) 100%) 0 0/100% 32px,
    linear-gradient(90deg, transparent 95%, var(--line-soft) 100%) 0 0/80px 100%,
    transparent;
}

/* ---------- ABOUT ---------- */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; }
@media (max-width: 800px) { .about-grid { grid-template-columns: 1fr; } }
.links { list-style: none; padding: 0; margin: 8px 0 0; }
.links li { padding: 4px 0; font-family: var(--mono); font-size: 13px; }

/* ---------- CTA ---------- */
.panel.cta { background: linear-gradient(180deg, #1a1a10, #14171d); border-color: #2e2a14; }
.cta-inner {
  display: flex; gap: 24px; align-items: center; justify-content: space-between;
  flex-wrap: wrap;
}
.cta-inner h2 { font-size: 28px; font-family: var(--sans); color: var(--text); letter-spacing: -0.01em; text-transform: none; }
.cta-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- FOOTER ---------- */
.footer { border-top: 1px solid var(--line-soft); margin-top: 30px; padding: 26px 22px 36px; }
.footer-inner {
  max-width: 1480px; margin: 0 auto;
  display: grid; grid-template-columns: 1.3fr 1fr 1.5fr; gap: 22px; align-items: center;
}
@media (max-width: 800px) { .footer-inner { grid-template-columns: 1fr; } }
.foot-brand { display: flex; gap: 12px; align-items: center; }
.foot-brand img { width: 32px; height: 32px; object-fit: contain; }
.foot-links { display: flex; gap: 16px; flex-wrap: wrap; font-family: var(--mono); font-size: 12.5px; }
.foot-legal { text-align: right; }
@media (max-width: 800px) { .foot-legal { text-align: left; } }

/* hide topnav on small screens */
@media (max-width: 980px) {
  .topnav { display: none; }
}