/* BitMine Pro public site — matches app brand (dark + neon green) */
:root {
  --bg: #040816;
  --bg2: #0B1226;
  --card: #0D1328;
  --card2: #111A35;
  --text: #FFFFFF;
  --muted: #8A93A7;
  --accent: #00FF9C;
  --accent2: #00E58B;
  --accent-dark: #00C47A;
  --line: rgba(0, 255, 156, 0.16);
  --line-strong: rgba(0, 255, 156, 0.35);
  --danger: #FF4B6E;
  --warn: #FFB800;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(0, 255, 156, 0.08), transparent 55%),
    radial-gradient(900px 500px at -10% 20%, rgba(0, 180, 255, 0.05), transparent 50%),
    linear-gradient(180deg, #060D1F 0%, var(--bg) 40%, #030610 100%);
  min-height: 100vh;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent2); }
p { color: #C9D0DF; margin: 0 0 1rem; }
ul, ol { color: #C9D0DF; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 0.75rem; }
.container { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }

/* Nav */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(4, 8, 22, 0.82);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.9rem 0;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.7rem;
  color: var(--text); font-weight: 800; letter-spacing: 0.04em;
}
.brand img { width: 36px; height: 36px; border-radius: 10px; }
.brand span { color: var(--accent); }
.nav-links { display: flex; flex-wrap: wrap; gap: 0.35rem 1rem; align-items: center; }
.nav-links a { color: var(--muted); font-size: 0.9rem; font-weight: 600; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-toggle {
  display: none; background: transparent; border: 1px solid var(--line);
  color: var(--text); border-radius: 10px; padding: 0.45rem 0.7rem; cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  border-radius: 14px; padding: 0.85rem 1.25rem; font-weight: 800; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #04110A; }
.btn-primary:hover { background: var(--accent2); color: #04110A; }
.btn-secondary {
  background: transparent; color: var(--text);
  border-color: var(--line-strong);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-play {
  background: #000; color: #fff; border: 1px solid #333;
  padding: 0.65rem 1rem 0.65rem 0.85rem; border-radius: 12px;
  min-width: 180px;
}
.btn-play .play-meta { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.15; }
.btn-play small { font-size: 0.65rem; font-weight: 500; opacity: 0.85; }
.btn-play strong { font-size: 1.05rem; font-weight: 800; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }

/* Hero */
.hero {
  padding: 3.5rem 0 2.5rem;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 2.5rem; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.45rem;
  color: var(--accent); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.12em;
  text-transform: uppercase; margin-bottom: 1rem;
}
.eyebrow::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 12px var(--accent);
}
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 900; margin-bottom: 1rem;
}
.hero .lead { font-size: 1.08rem; max-width: 36rem; margin-bottom: 1.6rem; }
.hero-panel {
  position: relative;
  background: linear-gradient(160deg, rgba(0,255,156,0.08), transparent 40%), var(--card);
  border: 1px solid var(--line); border-radius: 28px; padding: 1.5rem;
  box-shadow: var(--shadow); min-height: 320px;
  overflow: hidden;
}
.hero-panel::after {
  content: ""; position: absolute; inset: auto -20% -30% auto; width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(0,255,156,0.2), transparent 70%);
  pointer-events: none;
}
.phone-frame {
  margin: 0 auto; width: min(100%, 240px);
  border: 1px solid var(--line-strong); border-radius: 28px;
  background: #070F22; padding: 0.9rem 0.85rem 1.1rem;
}
.phone-notch {
  width: 72px; height: 8px; border-radius: 999px; background: #1a243f; margin: 0 auto 1rem;
}
.stat-grid { display: grid; gap: 0.65rem; }
.stat {
  background: var(--card2); border: 1px solid var(--line); border-radius: 14px; padding: 0.75rem 0.9rem;
}
.stat label { display: block; color: var(--muted); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; }
.stat strong { color: var(--accent); font-size: 1.05rem; }

/* Sections */
.section { padding: 3.5rem 0; }
.section-head { max-width: 40rem; margin-bottom: 1.75rem; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.section-head p { margin: 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem 1.3rem; box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.card h3 { font-size: 1.05rem; margin-bottom: 0.45rem; }
.card p:last-child { margin-bottom: 0; }
.icon-dot {
  width: 40px; height: 40px; border-radius: 12px; margin-bottom: 0.85rem;
  display: grid; place-items: center;
  background: rgba(0,255,156,0.08); border: 1px solid var(--line); color: var(--accent);
  font-weight: 800; font-size: 0.85rem;
}

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.9rem; }
.step {
  position: relative; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.2rem;
}
.step-num {
  color: var(--accent); font-weight: 900; font-size: 0.8rem; letter-spacing: 0.08em;
  margin-bottom: 0.55rem;
}

/* Showcase / mock screens */
.showcase { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.mock {
  background: linear-gradient(180deg, #0F1A33, #0A1226);
  border: 1px solid var(--line); border-radius: 22px; padding: 1rem; min-height: 220px;
}
.mock-title { color: var(--muted); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; margin-bottom: 0.75rem; }
.mock-bar { height: 10px; border-radius: 999px; background: rgba(0,255,156,0.15); margin-bottom: 0.55rem; }
.mock-bar.w60 { width: 60%; }
.mock-bar.w80 { width: 80%; }
.mock-bar.accent { background: linear-gradient(90deg, var(--accent), transparent); height: 14px; }

/* Trust */
.trust-list { display: grid; gap: 0.75rem; }
.trust-item {
  display: flex; gap: 0.85rem; align-items: flex-start;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1rem 1.1rem;
}
.trust-item strong { display: block; color: var(--text); margin-bottom: 0.2rem; }

/* CTA band */
.cta-band {
  margin: 1rem 0 2rem; padding: 2rem;
  border-radius: 24px; border: 1px solid var(--line-strong);
  background:
    radial-gradient(600px 200px at 10% 0%, rgba(0,255,156,0.12), transparent 60%),
    var(--card);
  text-align: center;
}
.cta-band h2 { margin-bottom: 0.5rem; }
.cta-band p { max-width: 36rem; margin: 0 auto 1.25rem; }

/* Legal / content pages */
.page-hero { padding: 2.4rem 0 1.2rem; }
.page-hero h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
.lead { color: var(--muted); font-size: 1.05rem; max-width: 46rem; }
.content-stack { display: grid; gap: 1rem; padding-bottom: 3rem; }
.prose h2 { color: var(--accent); font-size: 1.05rem; margin-top: 0.2rem; }
.prose li { margin-bottom: 0.35rem; }
.note {
  border-left: 3px solid var(--accent); padding: 0.85rem 1rem;
  background: rgba(0,255,156,0.05); border-radius: 0 12px 12px 0; color: #C9D0DF;
}

/* FAQ accordion */
.faq-cat { margin-bottom: 1.5rem; }
.faq-cat h2 { font-size: 1.15rem; margin-bottom: 0.75rem; color: var(--accent); }
.accordion { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--card); }
.acc-item + .acc-item { border-top: 1px solid var(--line); }
.acc-btn {
  width: 100%; text-align: left; background: transparent; border: 0; color: var(--text);
  padding: 1rem 1.1rem; font: inherit; font-weight: 700; cursor: pointer;
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.acc-btn span { color: var(--accent); font-size: 1.2rem; line-height: 1; }
.acc-panel { display: none; padding: 0 1.1rem 1rem; color: #C9D0DF; }
.acc-item.open .acc-panel { display: block; }

/* Support topics */
.topic-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem; }
.support-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1rem 0 1.5rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line); padding: 2.5rem 0 2rem; margin-top: 1rem;
  background: rgba(0,0,0,0.2);
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 1.5rem; margin-bottom: 1.75rem;
}
.footer-grid h4 {
  margin: 0 0 0.7rem; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
.footer-grid a { display: block; color: #C9D0DF; font-size: 0.92rem; margin-bottom: 0.4rem; }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem;
  color: var(--muted); font-size: 0.85rem; border-top: 1px solid var(--line); padding-top: 1rem;
}

@media (max-width: 960px) {
  .hero, .steps, .showcase, .footer-grid, .grid-3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none; position: absolute; left: 1rem; right: 1rem; top: 64px;
    background: var(--card); border: 1px solid var(--line); border-radius: 16px;
    padding: 1rem; flex-direction: column; align-items: flex-start;
  }
  .nav-links.open { display: flex; }
  .hero, .grid-3, .grid-2, .steps, .showcase, .footer-grid, .topic-grid {
    grid-template-columns: 1fr;
  }
  .hero { padding-top: 2rem; }
}