:root {
  --bg: #0E0F11;
  --surface: #1C1F26;
  --surface-2: #232630;
  --fg: #F0F2F5;
  --fg-muted: #8A8F98;
  --primary: #3B82F6;
  --primary-hover: #2563EB;
  --accent: #06B6D4;
  --accent-light: #0891B2;
  --border: rgba(59, 130, 246, 0.15);
  --border-subtle: rgba(6, 182, 212, 0.08);
  --text-muted: #6B7280;
  --success: #22C55E;
  --font-mono: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
  --font-sans: 'Inter', -apple-system, system-ui, sans-serif;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ===== HERO ===== */
.hero {
  padding: 80px 40px 90px;
  background: var(--bg);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: start;
}
.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 16px;
}
.hero-headline {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 3.4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.hero-headline .accent { color: var(--accent); }
.hero-sub {
  font-size: 0.95rem;
  color: var(--fg-muted);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.75;
}
.hero-actions { display: flex; align-items: center; gap: 16px; margin-bottom: 40px; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 24px;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
  text-decoration: none;
}
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 0 20px rgba(6,182,212,0.3); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 12px 16px;
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}
.btn-secondary:hover { border-color: var(--fg-muted); color: var(--fg); }

/* Pipeline badge */
.pipeline-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-muted);
}
.pipeline-badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Grade card */
.grade-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: 2px;
  margin-bottom: 16px;
}
.grade-card-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 8px;
}
.grade-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.grade-company {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
}
.grade-type {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}
.grade-badge {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--success);
  line-height: 1;
}
.grade-rows { display: flex; flex-direction: column; gap: 8px; }
.grade-row { display: flex; justify-content: space-between; align-items: center; }
.grade-lbl { font-family: var(--font-mono); font-size: 0.7rem; color: var(--fg-muted); letter-spacing: 0.04em; }
.grade-val { font-family: var(--font-mono); font-size: 0.8rem; font-weight: 500; color: var(--fg); }
.grade-val.highlight { color: var(--success); }
.grade-val.accent { color: var(--accent); }
.grade-footer {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.grade-fee { font-family: var(--font-mono); font-size: 0.68rem; color: var(--fg-muted); }
.grade-fee span { color: var(--primary); }

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 80px 40px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg);
}
.hiw-inner { max-width: 1200px; margin: 0 auto; }
.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 12px;
}
.section-headline {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 48px;
  line-height: 1.2;
}
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 28px 24px;
  position: relative;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 16px;
}
.step-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.step-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.step-arrow {
  display: flex;
  justify-content: center;
  margin-top: -1px;
  background: var(--bg);
  height: 20px;
  align-items: center;
}
.step-arrow svg { opacity: 0.3; }

/* ===== FOR SELLERS ===== */
.section-sellers {
  padding: 80px 40px;
  background: var(--surface);
  border-top: 1px solid var(--border-subtle);
}
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.section-label { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  font-weight: 700;
  color: var(--fg);
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-body { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.8; margin-bottom: 28px; }
.bullet-list { display: flex; flex-direction: column; gap: 12px; }
.bullet-item { display: flex; align-items: flex-start; gap: 12px; }
.bullet-icon {
  width: 20px; height: 20px;
  border-radius: 2px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.bullet-text { font-size: 0.88rem; color: var(--fg); }
.bullet-text span { color: var(--fg-muted); }

/* Fee comparison */
.fee-table {
  background: var(--bg);
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 24px;
}
.fee-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border-subtle);
}
.fee-row:last-child { border-bottom: none; }
.fee-row.head { background: var(--surface-2); }
.fee-cell {
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}
.fee-cell.header {
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.65rem;
}
.fee-cell.service { color: var(--fg); }
.fee-cell.price { color: var(--fg); font-weight: 600; }
.fee-cell.price.best { color: var(--accent); }
.fee-cell.price.old { color: var(--fg-muted); text-decoration: line-through; }

/* ===== FOR BUYERS ===== */
.section-buyers {
  padding: 80px 40px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg);
}
.badge-row { display: flex; gap: 10px; margin-bottom: 24px; }
.grade-preview-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 2px;
  letter-spacing: 0.06em;
}
.grade-a { background: var(--success); color: #fff; }
.grade-b { background: var(--primary); color: #fff; }
.grade-c { background: var(--surface-2); color: var(--fg); border: 1px solid var(--border); }

/* ===== GRADE PREVIEW ===== */
.grade-preview {
  padding: 80px 40px;
  border-top: 1px solid var(--border-subtle);
  background: var(--surface);
}
.preview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.preview-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.preview-card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
}
.preview-card-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.preview-card-body { padding: 18px; }
.preview-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 18px; }
.preview-company {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
}
.preview-industry {
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin-top: 3px;
  font-family: var(--font-mono);
}
.preview-grade-big {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--success);
  line-height: 1;
  text-align: right;
}
.preview-grade-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--fg-muted);
  text-align: right;
  margin-top: 4px;
}
.preview-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.preview-metric { display: flex; flex-direction: column; gap: 3px; }
.preview-metric-label { font-family: var(--font-mono); font-size: 0.65rem; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.preview-metric-value { font-family: var(--font-mono); font-size: 0.88rem; font-weight: 600; color: var(--fg); }
.preview-metric-value.green { color: var(--success); }
.preview-footer {
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.preview-price-tag {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
}
.preview-list-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s, box-shadow 0.15s;
}
.preview-list-btn:hover { background: var(--primary-hover); box-shadow: 0 0 15px rgba(6,182,212,0.3); }

/* ===== MARKETPLACE TEASER ===== */
.marketplace-teaser {
  padding: 60px 40px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg);
  text-align: center;
}
.marketplace-teaser .section-kicker { margin-bottom: 10px; }
.marketplace-teaser .section-headline { margin-bottom: 8px; }
.marketplace-teaser .section-body { max-width: 500px; margin: 0 auto 32px; }

/* ===== CLOSING CTA ===== */
.cta-band {
  padding: 80px 40px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
}
.cta-band-inner { max-width: 700px; margin: 0 auto; }
.cta-band .section-headline { margin-bottom: 16px; }
.cta-band .section-body { margin-bottom: 36px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .preview-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .section-split { grid-template-columns: 1fr; gap: 40px; }
  .nav { padding: 0 20px; }
  .hero, .hiw-inner, .section-sellers, .section-buyers, .grade-preview, .cta-band { padding-left: 20px; padding-right: 20px; }
  .steps-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .fee-row { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-links { flex-wrap: wrap; gap: 12px; }
  .cta-actions { flex-direction: column; align-items: center; }
}