:root {
  --abv-canvas: #0E1B2A;
  --abv-canvas-raised: #142436;
  --abv-canvas-inset: #0A1422;
  --abv-grid-line: #1F3447;
  --abv-grid-soft: #182B40;
  --abv-teal: #3FE0C5;
  --abv-teal-dim: #2BA694;
  --abv-amber: #F6B26B;
  --abv-ink: #E6F1FA;
  --abv-ink-soft: #B7C8D6;
  --abv-ink-muted: #7C92A6;
}

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

html, body { background: var(--abv-canvas); color: var(--abv-ink); font-family: 'Inter', system-ui, sans-serif; }

.abv-page {
  min-height: 100vh;
  background-image:
    linear-gradient(var(--abv-grid-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--abv-grid-soft) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: 0 0;
}

a { color: var(--abv-teal); text-decoration: none; }
a:hover { color: var(--abv-amber); }

.abv-overline {
  font-family: 'JetBrains Mono', monospace;
  color: var(--abv-teal);
  letter-spacing: 0.22em;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
}

h1, h2, h3 {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--abv-ink);
}

h1 { font-size: clamp(28px, 4vw, 44px); line-height: 1.15; margin: 16px 0 18px; }
h2 { font-size: clamp(22px, 2.6vw, 30px); margin: 0 0 24px; }
h3 { font-size: 18px; margin-bottom: 10px; }
h4 { font-family: 'JetBrains Mono', monospace; font-size: 13px; letter-spacing: 0.16em; color: var(--abv-teal); text-transform: uppercase; margin-bottom: 10px; }

p { color: var(--abv-ink-soft); line-height: 1.6; font-size: 15px; }

.abv-topbar {
  position: sticky; top: 0; z-index: 8;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 26px;
  border-bottom: 1px solid var(--abv-grid-line);
  background: rgba(14, 27, 42, 0.92);
  backdrop-filter: blur(8px);
}

.abv-brand { display: flex; align-items: center; gap: 12px; }
.abv-brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  background: var(--abv-teal); color: var(--abv-canvas);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700; font-size: 12px; letter-spacing: 0.05em;
  border-radius: 2px;
}
.abv-brand-text { font-family: 'JetBrains Mono', monospace; font-size: 13px; letter-spacing: 0.14em; color: var(--abv-ink); }

.abv-topnav { display: flex; gap: 22px; }
.abv-topnav a {
  font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.18em;
  color: var(--abv-ink-muted); text-transform: uppercase;
}
.abv-topnav a:hover { color: var(--abv-teal); }

.abv-hero {
  padding: 70px 26px 90px;
  border-bottom: 1px solid var(--abv-grid-line);
}
.abv-hero-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 44px; align-items: center;
}
.abv-hero-text .abv-overline { display: inline-block; padding-bottom: 10px; border-bottom: 2px solid var(--abv-teal); margin-bottom: 24px; }
.abv-hero-sub { color: var(--abv-ink-soft); font-size: 17px; line-height: 1.7; max-width: 560px; }

.abv-hero-actions { margin-top: 30px; display: flex; gap: 14px; flex-wrap: wrap; }
.abv-btn {
  display: inline-flex; align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 14px 22px; border-radius: 2px; transition: 0.18s;
}
.abv-btn-primary { background: var(--abv-teal); color: var(--abv-canvas); }
.abv-btn-primary:hover { background: var(--abv-amber); }
.abv-btn-ghost { color: var(--abv-teal); border: 1px solid var(--abv-teal); }
.abv-btn-ghost:hover { background: rgba(63, 224, 197, 0.08); color: var(--abv-amber); border-color: var(--abv-amber); }

.abv-hero-frame {
  position: relative; aspect-ratio: 1 / 1; max-width: 360px; margin: 0 auto;
  border: 2px solid var(--abv-grid-line); padding: 14px;
}
.abv-hero-frame::before {
  content: ''; position: absolute; inset: 14px;
  border: 1px solid rgba(63, 224, 197, 0.4);
}
.abv-blueprint-illu { position: relative; width: 100%; height: 100%; }
.abv-blueprint-illu::before {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(var(--abv-grid-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--abv-grid-soft) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.6;
}
.abv-monogram {
  position: absolute; left: 50%; top: 38%; transform: translate(-50%, -50%);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600; font-size: 92px; letter-spacing: 0.04em;
  color: var(--abv-ink);
  text-shadow: 2px 2px 0 var(--abv-canvas-inset);
}
.abv-stamp {
  position: absolute; left: 12px; bottom: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.2em;
  color: var(--abv-teal);
}
.abv-tilt-arc {
  position: absolute; right: 12px; top: 14px; width: 78px; height: 40px;
  border-top: 2px solid var(--abv-amber);
  border-left: 2px solid var(--abv-amber);
  border-right: 2px solid var(--abv-amber);
  border-radius: 80px 80px 0 0;
}
.abv-boom {
  position: absolute; left: 18%; bottom: 18%;
  width: 38%; height: 8px;
  background: rgba(63, 224, 197, 0.18);
  border-top: 1.5px solid var(--abv-teal);
  border-bottom: 1.5px solid var(--abv-teal);
  transform: rotate(-32deg) translateY(-20px);
  transform-origin: 0 50%;
}
.abv-wheel { position: absolute; bottom: 14%; width: 26px; height: 26px; border: 2px solid var(--abv-teal); border-radius: 50%; }
.abv-wheel::after { content: ''; position: absolute; inset: 8px; background: var(--abv-teal); border-radius: 50%; }
.abv-wheel-1 { left: 22%; }
.abv-wheel-2 { left: 30%; }

.abv-section {
  padding: 80px 26px;
  border-bottom: 1px solid var(--abv-grid-line);
}
.abv-section-alt { background: rgba(14, 27, 42, 0.6); }
.abv-section .abv-overline { display: block; max-width: 1100px; margin: 0 auto 12px; }
.abv-section h2 { max-width: 1100px; margin: 0 auto 30px; }

.abv-tool-row {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.abv-tool {
  background: var(--abv-canvas-raised);
  border: 1px solid var(--abv-grid-line);
  padding: 26px;
  position: relative;
}
.abv-tool::before {
  content: ''; position: absolute; inset: 6px; border: 1px solid rgba(63, 224, 197, 0.16);
  pointer-events: none;
}
.abv-tool-num {
  position: absolute; top: 18px; right: 22px;
  font-family: 'JetBrains Mono', monospace; color: var(--abv-teal);
  font-size: 30px; opacity: 0.55;
}
.abv-tool h3 { margin: 12px 0 14px; color: var(--abv-ink); }

.abv-services-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
}
.abv-service {
  border: 1px solid var(--abv-grid-line);
  padding: 24px;
  background: var(--abv-canvas-inset);
}

.abv-contact-card {
  max-width: 700px; margin: 0 auto;
  background: var(--abv-canvas-raised); border: 1px solid var(--abv-grid-line);
  padding: 26px;
}
.abv-contact-row {
  display: grid; grid-template-columns: 160px 1fr; gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--abv-grid-line);
}
.abv-contact-row:last-child { border-bottom: none; }
.abv-contact-label {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.18em;
  color: var(--abv-teal); text-transform: uppercase;
}
.abv-contact-value { color: var(--abv-ink-soft); }

.abv-footer {
  padding: 26px;
  border-top: 1px solid var(--abv-grid-line);
}
.abv-footer-row {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.16em; color: var(--abv-ink-muted);
}
.abv-footer-note {
  max-width: 1100px; margin: 12px auto 0;
  font-size: 12px; color: var(--abv-ink-muted);
}

@media (max-width: 760px) {
  .abv-hero-grid { grid-template-columns: 1fr; }
  .abv-hero-frame { display: none; }
  .abv-tool-row { grid-template-columns: 1fr; }
  .abv-services-grid { grid-template-columns: 1fr; }
  .abv-contact-row { grid-template-columns: 1fr; gap: 4px; }
  .abv-topnav { gap: 14px; }
}