:root {
  --bg: #090d16;
  --bg-elevated: #0f1624;
  --surface: #0b1220;
  --fg: #ffffff;
  --muted: #94a3b8;
  --subtle: #64748b;
  --primary: #3b82f6;
  --primary-fg: #ffffff;
  --accent: #22d3ee;
  --line: rgb(255 255 255 / 0.1);
  --line-strong: rgb(255 255 255 / 0.16);
  --success: #34d399;
  --danger: #fb7185;
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-xl: 20px;
  --shadow-glass: 0 0 0 1px rgb(255 255 255 / 0.06), 0 24px 80px rgb(0 0 0 / 0.45);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font-sans); line-height: 1.5; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button, [role="button"] { cursor: pointer; font-family: inherit; }
h1, h2, h3 { text-wrap: balance; margin: 0; }
.container { width: min(1120px, calc(100% - 2rem)); margin-inline: auto; }
.section { padding: 5rem 0; scroll-margin-top: 6rem; }
.glass {
  background: rgb(15 23 42 / 0.6);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-glass);
  border-radius: var(--radius-xl);
}
.glass-strong {
  background: rgb(8 13 24 / 0.78);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-glass);
}
.kicker { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin: 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  height: 48px; padding: 0 1.25rem; border-radius: var(--radius-sm); border: 0;
  font-size: 14px; font-weight: 500; text-decoration: none;
  transition: transform 150ms ease, filter 150ms ease, background 150ms ease;
}
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--primary); color: var(--primary-fg); }
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.btn-ghost:hover { background: rgb(255 255 255 / 0.05); }
.btn-block { width: 100%; }
.header { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid transparent; }
.header.is-scrolled, .header.is-open {
  background: rgb(9 13 22 / 0.8); backdrop-filter: blur(20px); border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 64px; }
.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: var(--fg); }
.brand-name { font-size: 15px; font-weight: 600; letter-spacing: -0.02em; }
.brand-meta { display: block; margin-top: 4px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.nav-desktop { display: none; align-items: center; gap: 2rem; }
.nav-desktop a { color: var(--muted); text-decoration: none; font-size: 14px; }
.nav-desktop a:hover { color: var(--fg); }
.header-cta { display: none; }
.menu-btn { width: 44px; height: 44px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: transparent; color: var(--fg); }
.mobile-nav { display: none; border-top: 1px solid var(--line); background: rgb(9 13 22 / 0.95); padding: 1rem 0 1.25rem; }
.mobile-nav a { display: flex; align-items: center; min-height: 44px; padding: 0 0.5rem; color: var(--fg); text-decoration: none; }
.header.is-open .mobile-nav { display: block; }
.hero { position: relative; overflow: hidden; padding: 2.5rem 0 5rem; }
.grid-fade {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgb(255 255 255 / 0.035) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
}
.glow-a, .glow-b { position: absolute; pointer-events: none; border-radius: 999px; filter: blur(120px); }
.glow-a { top: -6rem; right: -10%; width: 420px; height: 420px; background: rgb(59 130 246 / 0.2); }
.glow-b { bottom: 0; left: -8%; width: 340px; height: 340px; background: rgb(34 211 238 / 0.1); }
.hero-grid { position: relative; display: grid; gap: 3rem; min-width: 0; }
.pill {
  display: inline-flex; align-items: center; border: 1px solid var(--line); background: rgb(11 18 32 / 0.6);
  border-radius: 999px; padding: 0.25rem 0.75rem; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.25rem;
}
.hero h1 { max-width: 18ch; font-size: clamp(2.1rem, 5vw, 3.35rem); line-height: 1.1; letter-spacing: -0.03em; }
.lede { margin-top: 1.25rem; max-width: 46ch; color: var(--muted); font-size: 1.05rem; }
.hero-actions { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 2rem; }
.pay-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-top: 2rem; }
.pay-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-right: 0.25rem; }
.pay-badge {
  display: inline-flex; align-items: center; justify-content: center; height: 36px; min-width: 58px;
  padding: 0 10px; border-radius: 6px; background: #fff; color: #1e293b; font-family: var(--font-mono);
  font-size: 11px; font-weight: 600;
}
.preview { min-width: 0; overflow: hidden; border-radius: var(--radius-xl); padding: 4px; }
.preview-inner { overflow: hidden; border-radius: 16px; background: #070b14; }
.preview-bar { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; border-bottom: 1px solid var(--line); padding: 0.65rem 1rem; }
.dots { display: flex; gap: 0.4rem; }
.dots span { width: 8px; height: 8px; border-radius: 99px; }
.dot-r { background: #ff5f57; } .dot-y { background: #febc2e; } .dot-g { background: #28c840; }
.file-name { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
.live { display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.live i { width: 6px; height: 6px; border-radius: 99px; background: var(--accent); box-shadow: 0 0 0 4px rgb(34 211 238 / 0.2); }
.preview-body { display: grid; }
.nodes { display: flex; flex-direction: column; justify-content: center; gap: 0.75rem; padding: 1.1rem; border-bottom: 1px solid var(--line); }
.node-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.node-center { display: flex; justify-content: center; }
.pipe { width: 1px; height: 16px; background: rgb(34 211 238 / 0.4); }
.chip { display: flex; align-items: center; gap: 0.6rem; min-width: 0; border: 1px solid rgb(59 130 246 / 0.4); background: var(--bg-elevated); border-radius: 6px; padding: 0.6rem 0.75rem; }
.chip.accent { border-color: rgb(34 211 238 / 0.5); }
.chip b, .chip small { font-family: var(--font-mono); display: block; }
.chip b { font-size: 11px; font-weight: 500; }
.chip small { font-size: 10px; color: var(--muted); font-weight: 400; }
.chip-dot { width: 8px; height: 8px; border-radius: 99px; background: var(--success); flex-shrink: 0; animation: pulse 2.2s ease-in-out infinite; }
.chip.accent .chip-dot { background: var(--accent); }
.terminal { background: #060910; padding: 1.1rem; font-family: var(--font-mono); font-size: 11px; color: var(--muted); min-width: 0; }
.term-head { display: flex; justify-content: space-between; text-transform: uppercase; letter-spacing: 0.12em; font-size: 10px; margin-bottom: 0.75rem; }
.ok { color: var(--success); }
pre.health { margin: 0 0 1rem; overflow-x: auto; border: 1px solid var(--line); background: rgb(9 13 22 / 0.8); border-radius: 6px; padding: 0.75rem; color: var(--accent); }
.log { display: flex; gap: 0.75rem; white-space: nowrap; }
.cursor { display: inline-block; width: 6px; height: 12px; background: var(--accent); animation: blink 1s step-end infinite; }
.cards { display: grid; gap: 1rem; }
.card { padding: 1.5rem; }
.icon-box { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); background: var(--bg-elevated); border-radius: 6px; color: var(--accent); margin-bottom: 1.1rem; }
.muted { color: var(--muted); }
.points { list-style: none; padding: 0; margin: 1.25rem 0 0; }
.points li { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-mono); font-size: 12px; margin-top: 0.5rem; }
.points li::before { content: ""; width: 6px; height: 6px; border-radius: 99px; background: var(--primary); }
.price-grid { display: grid; gap: 1rem; }
.price { position: relative; display: flex; flex-direction: column; padding: 1.5rem; }
.price.featured { box-shadow: 0 0 0 1px rgb(34 211 238 / 0.35); }
.badge-hot { position: absolute; top: 1rem; right: 1rem; border: 1px solid rgb(34 211 238 / 0.3); background: rgb(34 211 238 / 0.1); color: var(--accent); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; border-radius: 999px; padding: 2px 10px; }
.amount { font-size: 2rem; font-weight: 600; letter-spacing: -0.03em; }
.cadence { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.feats { list-style: none; padding: 0; margin: 1.5rem 0 2rem; flex: 1; }
.feats li { display: flex; gap: 0.5rem; font-size: 14px; margin-top: 0.6rem; color: rgb(255 255 255 / 0.85); }
.feats svg { flex-shrink: 0; margin-top: 2px; color: var(--accent); }
.about-grid { display: grid; gap: 3rem; }
.pillars { display: grid; gap: 1rem; margin-top: 3rem; }
.pillar { border: 1px solid var(--line); background: rgb(11 18 32 / 0.4); border-radius: var(--radius-xl); padding: 1.25rem; }
.contact-grid { display: grid; gap: 1.5rem; }
.contact-pane { padding: 1.5rem; }
.info-list { list-style: none; padding: 0; margin: 2rem 0 0; }
.info-list li { display: flex; gap: 0.75rem; margin-bottom: 1.25rem; }
.info-ico { width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); background: var(--bg-elevated); border-radius: 6px; color: var(--accent); flex-shrink: 0; }
.info-lab { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--subtle); margin: 0; }
.info-val { margin: 4px 0 0; font-size: 14px; }
.info-val a { color: var(--fg); }
.descriptor { margin: 2rem 0 0; padding-top: 1.25rem; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 11px; color: var(--subtle); }
label { display: block; }
label span { display: block; margin-bottom: 0.5rem; font-size: 14px; font-weight: 500; }
.field { width: 100%; height: 44px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--bg); color: var(--fg); padding: 0 14px; font: 14px/1.4 var(--font-sans); }
textarea.field { height: auto; min-height: 144px; padding: 12px 14px; resize: vertical; }
.field:focus { outline: none; border-color: color-mix(in srgb, var(--primary) 55%, var(--line)); box-shadow: 0 0 0 2px rgb(59 130 246 / 0.35); }
.form-error { color: var(--danger); font-size: 14px; margin-top: 1rem; }
.hp { position: absolute; left: -9999px; height: 0; width: 0; overflow: hidden; }
.success h3 { font-size: 1.6rem; margin-top: 0.75rem; }
.footer { border-top: 1px solid var(--line); padding-bottom: 2.5rem; }
.footer-grid { display: grid; gap: 2.5rem; padding: 3rem 0; }
.legal-btns { display: grid; gap: 0.15rem; margin: 0.75rem 0 0; padding: 0; list-style: none; }
.legal-btns button { background: none; border: 0; color: rgb(255 255 255 / 0.9); min-height: 44px; text-align: left; font-size: 14px; padding: 0; }
.legal-btns button:hover { text-decoration: underline; }
.footer-bar { display: flex; flex-direction: column; gap: 0.75rem; border-top: 1px solid var(--line); padding-top: 1.5rem; font-size: 12px; color: var(--subtle); }
.ssl { display: inline-flex; align-items: center; gap: 0.5rem; border: 1px solid var(--line); background: rgb(11 18 32 / 0.5); border-radius: 6px; padding: 0.5rem 0.75rem; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.modal { position: fixed; inset: 0; z-index: 50; display: none; align-items: flex-end; justify-content: center; }
.modal.open { display: flex; }
.modal-backdrop { position: absolute; inset: 0; background: rgb(4 6 12 / 0.75); backdrop-filter: blur(6px); border: 0; }
.modal-panel { position: relative; z-index: 1; width: min(768px, 100%); max-height: 92vh; display: flex; flex-direction: column; border-radius: 20px 20px 0 0; }
.modal-head { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--line); }
.modal-body { overflow: auto; padding: 1.25rem; }
.modal-body h3 { font-size: 14px; margin-top: 1.75rem; }
.modal-body p { font-size: 14px; color: var(--muted); margin: 0.6rem 0 0; }
.close-x { width: 44px; height: 44px; border-radius: 6px; border: 1px solid var(--line); background: transparent; color: var(--fg); flex-shrink: 0; }
@keyframes pulse { 0%, 100% { opacity: 0.45; transform: scale(1); } 50% { opacity: 1; transform: scale(1.08); } }
@keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
@media (min-width: 640px) {
  .hero-actions { flex-direction: row; align-items: center; }
  .footer-bar { flex-direction: row; align-items: center; justify-content: space-between; }
  .modal { align-items: center; padding: 1.5rem; }
  .modal-panel { border-radius: 20px; }
}
@media (min-width: 768px) {
  .nav-desktop, .header-cta { display: flex; }
  .menu-btn, .mobile-nav { display: none !important; }
  .cards, .price-grid, .pillars { grid-template-columns: repeat(3, 1fr); }
  .contact-grid, .about-grid { grid-template-columns: 0.85fr 1.15fr; }
  .footer-grid { grid-template-columns: 1.2fr 1fr; }
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); align-items: center; }
  .preview-body { grid-template-columns: 1.1fr 0.9fr; }
  .nodes { border-bottom: 0; border-right: 1px solid var(--line); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .chip-dot, .cursor { animation: none; }
}