:root {
  --bg: #0d0d0f;
  --bg-2: #111115;
  --bg-card: #16161b;
  --accent: #f59e0b;
  --accent-dim: #d97706;
  --text: #e8e8ed;
  --text-muted: #8b8b99;
  --border: #222230;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
.nav {
  padding: 1.5rem 2.5rem;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.nav-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── HERO ── */
.hero {
  padding: 5rem 2.5rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1.25rem;
  font-family: var(--font-head);
  font-weight: 600;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: #fff;
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 440px;
  line-height: 1.7;
  margin-bottom: 3rem;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.stat-val {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}
.stat-sep {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Miner cards */
.hero-right {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.miner-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}
.miner-card-2 {
  opacity: 0.75;
}
.miner-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.miner-model {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
}
.miner-badge {
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.miner-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1.5rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
}
.spec-label { color: var(--text-muted); }
.spec-val { font-weight: 500; font-family: 'Courier New', monospace; }
.miner-pricing {
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
}
.price-buy, .price-lease {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.price-label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.price-val { font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; }
.price-lease .price-val { color: var(--accent); }
.miner-ai-score {
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}
.ai-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.ai-bar { height: 4px; background: #2a2a35; border-radius: 2px; margin-bottom: 0.35rem; }
.ai-fill { height: 100%; background: var(--accent); border-radius: 2px; }
.ai-score { font-size: 0.78rem; font-weight: 600; color: var(--accent); }

/* ── SECTION TAG ── */
.section-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-family: var(--font-head);
  font-weight: 600;
  margin-bottom: 1rem;
}

/* ── PROBLEM ── */
.problem { padding: 5rem 2.5rem; background: var(--bg-2); }
.problem-inner { max-width: 1200px; margin: 0 auto; }
.problem-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 3rem;
  max-width: 600px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
}
.problem-icon {
  width: 36px;
  height: 36px;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1.25rem;
  font-family: var(--font-head);
}
.problem-card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}
.problem-card p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.65; }

/* ── SOLUTION ── */
.solution { padding: 5rem 2.5rem; }
.solution-inner { max-width: 1200px; margin: 0 auto; }
.solution-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 3rem;
}
.solution-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: start;
}
.sol-feature {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1.25rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
}
.sol-feature:first-child { border-top: 1px solid var(--border); }
.sol-num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--accent);
  padding-top: 0.2rem;
}
.sol-content h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.sol-content p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.65; }
.solution-cta-box {
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  position: sticky;
  top: 2rem;
}
.cta-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); font-weight: 600; font-family: var(--font-head); margin-bottom: 0.75rem; }
.cta-headline { font-family: var(--font-head); font-weight: 800; font-size: 2.2rem; letter-spacing: -0.03em; margin-bottom: 0.75rem; }
.cta-sub { color: var(--text-muted); font-size: 0.92rem; line-height: 1.6; }

/* ── HOW ── */
.how { padding: 5rem 2.5rem; background: var(--bg-2); }
.how-inner { max-width: 1200px; margin: 0 auto; }
.how-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 3rem;
}
.how-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.how-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
}
.how-icon {
  width: 40px;
  height: 40px;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.how-card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
}
.how-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.65; }

/* ── MODELS ── */
.models { padding: 5rem 2.5rem; }
.models-inner { max-width: 1200px; margin: 0 auto; }
.models-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 3rem;
}
.model-grid { display: flex; flex-direction: column; }
.model-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.model-row:first-child { border-top: 1px solid var(--border); }
.model-brand {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
}
.model-chips { font-size: 0.88rem; color: var(--text-muted); }

/* ── CLOSING ── */
.closing { padding: 6rem 2.5rem; }
.closing-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.closing-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: #fff;
}
.closing-sub { color: var(--text-muted); font-size: 1rem; line-height: 1.75; max-width: 640px; margin: 0 auto; }

/* ── FOOTER ── */
.footer { border-top: 1px solid var(--border); padding: 2.5rem; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.footer-logo { font-family: var(--font-head); font-weight: 800; font-size: 1.2rem; color: var(--accent); }
.footer-tag { font-size: 0.82rem; color: var(--text-muted); }
.footer-copy { font-size: 0.75rem; color: #444; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-right { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .solution-layout { grid-template-columns: 1fr; }
  .solution-cta-box { position: static; }
  .how-cards { grid-template-columns: 1fr; }
  .model-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
}