/* ─────────────────────────────────────────────────────────────────
   nbiot.io — domain listing styles
   ───────────────────────────────────────────────────────────────── */

/* Layout primitives ------------------------------------------------ */
main { display: block; }
.serif { font-family: var(--serif); font-weight: 400; }
.mono  { font-family: var(--mono); font-weight: 400; letter-spacing: -0.01em; }
.small { font-size: 11.5px; }
.dim   { color: var(--muted); }
.accent-text { color: var(--accent); }
.sep   { color: var(--line-2); margin: 0 8px; }

/* Top bar ---------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: oklch(0.14 0.015 250 / 0.7);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 14px 32px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.brand-dot {
  width: 8px; height: 8px; background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  display: inline-block;
}
.topnav { display: flex; gap: 28px; font-size: 12px; }
.topnav a { color: var(--fg-2); transition: color .15s; }
.topnav a:hover { color: var(--fg); }
.topbar-status {
  display: flex; gap: 16px; align-items: center; justify-content: flex-end;
  font-size: 11.5px; color: var(--fg-2);
}
.status-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  background: oklch(0.20 0.018 250);
  color: var(--fg-2);
}
.dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.dot.live {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  animation: blink 1.6s ease-in-out infinite;
}
@keyframes blink { 0%,60%,100% { opacity: 1; } 80% { opacity: 0.35; } }

/* Hero ------------------------------------------------------------- */
.hero {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 96px 32px 64px;
  overflow: hidden;
}
.hero-inner { position: relative; z-index: 2; }
.pulse-rings {
  position: absolute;
  top: 50%; left: 50%;
  width: min(110%, 1400px);
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}
.hero-meta {
  display: flex; gap: 0; align-items: center;
  font-size: 11.5px;
  color: var(--fg-2);
  letter-spacing: 0.04em;
  margin-bottom: 36px;
}
.hero-meta .sep { color: var(--line-2); margin: 0 12px; }

.wordmark {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(96px, 18vw, 280px);
  line-height: 0.85;
  letter-spacing: -0.04em;
  margin: 0 0 32px;
  display: flex;
  align-items: baseline;
  flex-wrap: nowrap;
}
.wm-name { color: var(--fg); }
.wm-dot {
  color: var(--accent);
  text-shadow: 0 0 40px var(--accent-glow);
}
.wm-tld   { color: var(--fg-2); font-style: italic; }
.wm-cursor {
  display: inline-block;
  width: 0.08em; height: 0.78em;
  background: var(--accent);
  margin-left: 0.08em;
  animation: caret 1s steps(1) infinite;
  align-self: center;
}
@keyframes caret { 50% { opacity: 0; } }

.hero-headline {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin: 0 0 28px;
  max-width: 22ch;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.55;
  color: var(--fg-2);
  max-width: 60ch;
  margin: 0 0 44px;
  text-wrap: pretty;
}
.hero-sub strong { color: var(--fg); font-weight: 600; }
.hero-sub em { font-family: var(--serif); font-style: italic; font-size: 1.05em; color: var(--accent); }

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-cta-note {
  font-size: 11.5px;
  color: var(--muted);
  margin-left: 8px;
}

/* Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s, background .15s, border-color .15s, color .15s;
  user-select: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: oklch(0.16 0.015 250);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: oklch(from var(--accent) calc(l + 0.05) c h);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line-2);
}
.btn-ghost:hover {
  border-color: var(--fg-2);
  background: var(--bg-2);
}
.btn-block { display: flex; justify-content: center; width: 100%; }
.btn-lg { padding: 18px 28px; font-size: 14px; }

/* Section heads ---------------------------------------------------- */
.section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.section-head .small { letter-spacing: 0.04em; }
.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--fg);
}

/* Spectrum block --------------------------------------------------- */
.spectrum-block {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 32px 80px;
}
.spec-head, .spec-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: oklch(0.16 0.015 250);
}
.spec-head { border-bottom: none; }
.spec-foot {
  border-top: none;
  font-size: 11.5px;
  color: var(--fg-2);
  display: flex;
  gap: 24px;
}
.spectrum-block canvas {
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background: oklch(0.16 0.015 250);
}
.legend-swatch {
  display: inline-block;
  width: 12px; height: 8px;
  vertical-align: middle;
  margin-right: 6px;
}
.legend-swatch.accent { background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }
.legend-swatch.line   { background: var(--line-2); }

/* Listing ---------------------------------------------------------- */
.listing {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
}
.listing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 32px;
  align-items: start;
}
.listing-card {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, oklch(0.20 0.018 250), oklch(0.16 0.015 250));
  padding: 32px;
  position: relative;
}
.listing-card::before {
  content: "";
  position: absolute; inset: 0;
  border: 1px solid transparent;
  background:
    linear-gradient(135deg, var(--accent-glow), transparent 40%) border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.listing-card-head {
  display: flex; justify-content: space-between;
  font-size: 11.5px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
  color: var(--fg-2);
}
.listing-price { margin-bottom: 28px; }
.price-label { letter-spacing: 0.06em; margin-bottom: 12px; }
.price-value {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--serif);
  letter-spacing: -0.03em;
  color: var(--fg);
}
.price-currency {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.price-amount {
  font-size: clamp(56px, 8vw, 96px);
  line-height: 1;
}
.price-sub {
  margin-top: 12px;
  color: var(--fg-2);
  font-size: 12px;
}
.listing-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.listing-features {
  list-style: none;
  padding: 16px 0 0;
  margin: 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  color: var(--fg-2);
}
.listing-features .ok { color: var(--accent); margin-right: 6px; }

/* Specs sheet ------------------------------------------------------ */
.listing-specs {
  border: 1px solid var(--line);
  background: oklch(0.16 0.015 250);
}
.specs-head {
  display: flex;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 11.5px;
  letter-spacing: 0.04em;
}
.specs { margin: 0; padding: 0; }
.spec-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.spec-row:last-child { border-bottom: none; }
.spec-row dt {
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 11.5px;
}
.spec-row dd {
  margin: 0;
  color: var(--fg);
  font-size: 14.5px;
}

/* Fit grid --------------------------------------------------------- */
.fit {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
}
.fit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.fit-card {
  background: var(--bg);
  padding: 40px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.fit-num {
  font-size: 64px;
  line-height: 1;
  color: var(--accent);
  font-style: italic;
  margin-bottom: 12px;
}
.fit-card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--fg);
  max-width: 22ch;
}
.fit-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--fg-2);
  max-width: 50ch;
  text-wrap: pretty;
}

/* Buyers ----------------------------------------------------------- */
.buyers {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
}
.buyers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.buyer-card {
  border: 1px solid var(--line);
  background: oklch(0.16 0.015 250);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color .2s, transform .2s;
}
.buyer-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.buyer-tag {
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 4px 8px;
  border: 1px solid var(--accent);
  align-self: flex-start;
  background: oklch(0.80 0.155 65 / 0.06);
}
.buyer-title {
  font-size: 26px;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;
}
.buyer-card ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.45;
}
.buyer-card ul li {
  position: relative;
  padding-left: 14px;
}
.buyer-card ul li::before {
  content: "—";
  position: absolute; left: 0; color: var(--line-2);
}

/* Comps table ------------------------------------------------------ */
.comps {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
}
.comps-table {
  border: 1px solid var(--line);
  background: oklch(0.16 0.015 250);
}
.comps-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.6fr 2fr;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  font-size: 13px;
}
.comps-row:last-child { border-bottom: none; }
.comps-head {
  background: oklch(0.20 0.018 250);
  color: var(--muted);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}
.comps-row .d { color: var(--fg); }
.comps-row .p { color: var(--fg-2); }
.comps-row.here {
  background: oklch(0.80 0.155 65 / 0.05);
  border-left: 2px solid var(--accent);
}
.comps-row.here .d { color: var(--accent); font-weight: 600; }
.comps-row.here .p { color: var(--fg); }
.comps-note {
  margin-top: 16px;
  max-width: 80ch;
}

/* Acquire / timeline ----------------------------------------------- */
.acquire {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px 80px;
}
.timeline {
  list-style: none;
  margin: 0 0 48px;
  padding: 0;
  border: 1px solid var(--line);
  background: oklch(0.16 0.015 250);
}
.step {
  display: grid;
  grid-template-columns: 100px 1px 1fr;
  gap: 24px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
  align-items: stretch;
  position: relative;
}
.step:last-child { border-bottom: none; }
.step-time {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.04em;
  align-self: center;
}
.step-rule {
  background: var(--line);
  width: 1px;
}
.step-h {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin-bottom: 4px;
}
.step-b { font-size: 14.5px; line-height: 1.5; }
.acquire-cta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

/* Inquire ---------------------------------------------------------- */
.inquire {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--line);
}
.inquire-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
}
.inquire-lede {
  font-size: 17px;
  line-height: 1.55;
  max-width: 38ch;
  color: var(--fg-2);
  margin: 0 0 28px;
  text-wrap: pretty;
}
.inquire-list {
  list-style: none;
  margin: 0; padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
}
.inquire-list .dim { letter-spacing: 0.06em; margin-right: 8px; }

/* Form ------------------------------------------------------------- */
.form {
  border: 1px solid var(--line);
  background: oklch(0.16 0.015 250);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.field {
  display: flex; flex-direction: column; gap: 8px;
}
.field > span {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
}
.field input,
.field textarea {
  background: oklch(0.20 0.018 250);
  border: 1px solid var(--line);
  color: var(--fg);
  font: inherit;
  padding: 12px 14px;
  outline: none;
  transition: border-color .15s;
  font-size: 14.5px;
}
.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
}
.field textarea { resize: vertical; min-height: 76px; font-family: inherit; }
.input-prefix {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--line);
  background: oklch(0.20 0.018 250);
}
.input-prefix:focus-within { border-color: var(--accent); }
.input-prefix .prefix {
  padding: 12px 14px;
  border-right: 1px solid var(--line);
  background: oklch(0.18 0.018 250);
  color: var(--muted);
  display: flex; align-items: center;
}
.input-prefix input {
  border: none;
  background: transparent;
  flex: 1;
}
.field-hint { margin-top: 2px; }
.form-sent {
  display: flex; flex-direction: column; gap: 16px;
  text-align: left;
}
.form-sent h3 {
  margin: 0;
  font-size: 36px;
  line-height: 1;
}
.form-sent p { margin: 0; color: var(--fg-2); }

/* Footer ----------------------------------------------------------- */
.footer {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 32px 48px;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  font-size: 12px;
  margin-bottom: 56px;
}
.footer-grid > div { display: flex; flex-direction: column; gap: 6px; }
.footer-grid .dim { font-size: 10.5px; letter-spacing: 0.08em; }
.footer-mark {
  font-size: clamp(72px, 14vw, 200px);
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--fg);
  margin: 0 0 32px;
}
.footer-fine { max-width: 70ch; }

/* Responsive ------------------------------------------------------- */
@media (max-width: 960px) {
  .topbar-inner { grid-template-columns: 1fr 1fr; }
  .topnav { display: none; }
  .listing-grid,
  .inquire-grid { grid-template-columns: 1fr; gap: 32px; }
  .fit-grid,
  .buyers-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .step { grid-template-columns: 80px 1px 1fr; gap: 16px; }
  .listing-features { grid-template-columns: 1fr; }
  .comps-row { grid-template-columns: 1fr 1fr; row-gap: 4px; }
  .comps-row .y, .comps-row .n { display: none; }
  .hero { padding: 56px 24px 48px; }
}

@media (max-width: 600px) {
  .topbar-inner { padding: 12px 16px; }
  .topbar-status .mono:not(.status-pill) { display: none; }
  .hero { padding: 48px 20px 40px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }
  .hero-cta-note { margin-left: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .spectrum-block, .listing, .fit, .buyers, .comps, .acquire, .inquire, .footer { padding-left: 20px; padding-right: 20px; }
  .listing-card, .form, .fit-card { padding: 22px; }
  .spec-row { grid-template-columns: 1fr; gap: 4px; }
}