:root {
  --porcelain: #eef2f5;
  --steel: #d8e0e6;
  --mist: #f7fafb;
  --chassis: #0b1218;
  --chassis-2: #141c24;
  --ink: #0b1218;
  --muted: #5a6570;
  --teal: #12b89a;
  --teal-deep: #0d8f78;
  --amber: #e6a23c;
  --cyan: #5ec8d8;
  --line: rgba(11, 18, 24, 0.12);
  --line-light: rgba(238, 242, 245, 0.14);
  --radius: 4px;
  --font-display: "Saira Condensed", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --header-h: 4.25rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(94, 200, 216, 0.12), transparent 50%),
    radial-gradient(90% 60% at 0% 40%, rgba(18, 184, 154, 0.08), transparent 45%),
    linear-gradient(180deg, var(--porcelain) 0%, var(--mist) 45%, var(--steel) 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--teal-deep);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--ink);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.75rem, 7vw, 5.25rem);
  text-transform: uppercase;
}

h2 {
  font-size: clamp(2rem, 4.5vw, 3.35rem);
  text-transform: uppercase;
  max-width: 18ch;
}

h3 {
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  text-transform: uppercase;
}

p {
  margin: 0 0 1rem;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  background: var(--chassis);
  color: var(--porcelain);
  padding: 0.6rem 1rem;
}

.skip-link:focus {
  top: 1rem;
}

.wrap {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.wrap.narrow {
  width: min(720px, calc(100% - 2.5rem));
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(238, 242, 245, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease);
}

.site-header.is-solid {
  background: rgba(11, 18, 24, 0.92);
  border-bottom-color: var(--line-light);
}

.site-header.is-solid .brand-word,
.site-header.is-solid .site-nav a {
  color: var(--porcelain);
}

.site-header.is-solid .nav-toggle-bars,
.site-header.is-solid .nav-toggle-bars::before,
.site-header.is-solid .nav-toggle-bars::after {
  background: var(--porcelain);
}

.header-inner {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 2px;
  object-fit: cover;
}

.brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--ink);
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  background: var(--teal);
  transition: width 0.25s var(--ease);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  width: 100%;
}

.nav-cta {
  padding: 0.45rem 0.85rem;
  border: 1px solid currentColor;
  border-radius: var(--radius);
}

.nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: var(--radius);
  cursor: pointer;
  position: relative;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: var(--ink);
  margin: 0 auto;
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before {
  top: -6px;
}

.nav-toggle-bars::after {
  top: 6px;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: grid;
  align-items: end;
  color: var(--porcelain);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
}

.hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(11, 18, 24, 0.88) 0%, rgba(11, 18, 24, 0.55) 48%, rgba(11, 18, 24, 0.28) 100%),
    linear-gradient(180deg, rgba(11, 18, 24, 0.2) 0%, rgba(11, 18, 24, 0.75) 100%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 6rem 0 4.5rem;
  max-width: 38rem;
  justify-self: start;
  margin-left: max(1.25rem, calc((100% - 1120px) / 2));
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 0.85rem;
  color: var(--porcelain);
}

.hero h1 {
  color: var(--porcelain);
  margin-bottom: 1rem;
  max-width: 12ch;
}

.hero-lede {
  font-size: 1.125rem;
  color: rgba(238, 242, 245, 0.88);
  max-width: 36ch;
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--teal);
  color: var(--chassis);
  border-color: var(--teal);
}

.btn-primary:hover {
  background: #1dccab;
  color: var(--chassis);
}

.btn-ghost {
  background: transparent;
  color: var(--porcelain);
  border-color: rgba(238, 242, 245, 0.45);
}

.btn-ghost:hover {
  border-color: var(--porcelain);
  color: var(--porcelain);
}

/* Bands */
.band {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.sec-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0 0 0.85rem;
}

.sec-lede {
  max-width: 52ch;
  color: var(--muted);
  margin-bottom: 2rem;
}

.band-mandate {
  background: linear-gradient(180deg, var(--mist), var(--porcelain));
}

.mandate-rails {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.mandate-rails li {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.05rem;
}

.mandate-rails .mono {
  color: var(--teal-deep);
}

.band-bays {
  background:
    linear-gradient(135deg, rgba(18, 184, 154, 0.06), transparent 40%),
    linear-gradient(180deg, var(--steel), #cfd8e0);
}

.bay-list {
  display: grid;
  gap: 0;
  margin-top: 2rem;
  border-top: 2px solid var(--chassis);
}

.bay-row {
  padding: 1.75rem 0 1.85rem;
  border-bottom: 1px solid rgba(11, 18, 24, 0.18);
}

.bay-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.55rem;
}

.bay-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--teal-deep);
}

.bay-from {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.bay-row h3 {
  margin-bottom: 0.55rem;
  max-width: 28ch;
}

.bay-row p {
  max-width: 68ch;
  color: var(--muted);
  margin: 0;
}

/* Rack inspector */
.band-inspector {
  background:
    radial-gradient(80% 60% at 20% 0%, rgba(18, 184, 154, 0.18), transparent 55%),
    linear-gradient(180deg, var(--chassis) 0%, var(--chassis-2) 100%);
  color: var(--porcelain);
}

.band-inspector .sec-index,
.band-inspector .sec-lede {
  color: rgba(238, 242, 245, 0.65);
}

.band-inspector h2 {
  color: var(--porcelain);
}

.rack-craft {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) 1.2fr;
  gap: 1.5rem;
  margin-top: 2rem;
  align-items: stretch;
}

.rack-chassis {
  background: linear-gradient(180deg, #162029, #0d141b);
  border: 1px solid rgba(238, 242, 245, 0.12);
  border-radius: var(--radius);
  padding: 1rem 0.85rem 1rem 1.35rem;
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  min-height: 22rem;
}

.rack-spine {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding-top: 0.35rem;
}

.led {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 1px;
  background: var(--muted);
}

.led-teal {
  background: var(--teal);
  box-shadow: 0 0 10px rgba(18, 184, 154, 0.7);
}

.led-amber {
  background: var(--amber);
  box-shadow: 0 0 8px rgba(230, 162, 60, 0.55);
}

.led-cyan {
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(94, 200, 216, 0.55);
}

.led.pulse {
  animation: led-pulse 2.4s ease-in-out infinite;
}

@keyframes led-pulse {
  0%,
  100% {
    opacity: 0.45;
  }
  50% {
    opacity: 1;
  }
}

.rack-bays {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.rack-bay {
  appearance: none;
  border: 1px solid rgba(238, 242, 245, 0.14);
  background: rgba(11, 18, 24, 0.55);
  color: var(--porcelain);
  text-align: left;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
  align-items: center;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.rack-bay:hover {
  border-color: rgba(18, 184, 154, 0.55);
  transform: translateX(3px);
}

.rack-bay.is-active {
  background: rgba(18, 184, 154, 0.16);
  border-color: var(--teal);
}

.rack-bay-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
}

.rack-bay-name {
  font-size: 1.15rem;
  font-weight: 600;
}

.rack-panel {
  background: rgba(238, 242, 245, 0.04);
  border: 1px solid rgba(238, 242, 245, 0.12);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.panel-kicker {
  color: var(--teal);
  margin: 0 0 0.65rem;
}

.rack-panel h3 {
  color: var(--porcelain);
  margin-bottom: 0.75rem;
}

.rack-panel p {
  color: rgba(238, 242, 245, 0.78);
}

.panel-stats {
  display: grid;
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.panel-stats div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(238, 242, 245, 0.1);
}

.panel-stats dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(238, 242, 245, 0.5);
}

.panel-stats dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--porcelain);
}

.sync-meter {
  height: 4px;
  background: rgba(238, 242, 245, 0.12);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.55rem;
}

.sync-meter-fill {
  height: 100%;
  width: var(--fill, 70%);
  background: linear-gradient(90deg, var(--teal), var(--cyan));
  transition: width 0.55s var(--ease);
}

.sync-label {
  color: rgba(238, 242, 245, 0.55);
  margin: 0;
}

/* Split / liquidity */
.band-split {
  background: linear-gradient(180deg, var(--porcelain), var(--mist));
}

.split-grid,
.liquidity-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.split-media,
.liquidity-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
}

.split-media img,
.liquidity-media img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.rail-steps {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
}

.rail-steps li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.85rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}

.rail-steps .mono {
  color: var(--teal-deep);
}

.band-liquidity {
  background:
    linear-gradient(120deg, rgba(94, 200, 216, 0.1), transparent 40%),
    linear-gradient(180deg, var(--steel), #c5d0d9);
}

.band-faq {
  background: var(--mist);
}

.faq-list {
  margin-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 0.2rem 0;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 1.1rem 1.75rem 1.1rem 0;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--teal-deep);
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  color: var(--muted);
  padding: 0 0 1.15rem;
  max-width: 58ch;
}

/* Wire / form */
.band-wire {
  background:
    radial-gradient(70% 50% at 100% 100%, rgba(18, 184, 154, 0.12), transparent 50%),
    linear-gradient(180deg, var(--porcelain), #e3eaef);
}

.wire-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.wire-address {
  font-style: normal;
  margin-top: 1.5rem;
  line-height: 1.7;
  color: var(--muted);
}

.wire-address a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--teal);
}

.wire-form {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  /* interaction container — allowed */
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.wire-form label {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.wire-form input,
.wire-form select,
.wire-form textarea {
  font: 500 1rem/1.4 var(--font-body);
  text-transform: none;
  letter-spacing: normal;
  color: var(--ink);
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.7rem 0.8rem;
  width: 100%;
}

.wire-form input:focus,
.wire-form select:focus,
.wire-form textarea:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
  border-color: transparent;
}

.check {
  display: grid !important;
  grid-template-columns: auto 1fr;
  gap: 0.65rem;
  align-items: start;
  text-transform: none !important;
  letter-spacing: normal !important;
  font-family: var(--font-body) !important;
  font-size: 0.92rem !important;
  color: var(--ink) !important;
}

.hp {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}

.form-status {
  margin: 0.85rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  min-height: 1.25rem;
}

.form-status.is-ok {
  color: var(--teal-deep);
}

.form-status.is-err {
  color: #b42318;
}

/* Footer */
.site-footer {
  background: var(--chassis);
  color: rgba(238, 242, 245, 0.72);
  padding: 2.75rem 0 2.25rem;
}

.footer-grid {
  display: grid;
  gap: 1.25rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--porcelain);
  margin: 0 0 0.5rem;
}

.footer-note {
  max-width: 42ch;
  margin: 0;
  font-size: 0.95rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.35rem;
}

.footer-nav a {
  color: var(--porcelain);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--teal);
}

.footer-copy {
  margin: 0;
  opacity: 0.55;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .led.pulse {
    animation: none;
  }

  .btn:hover,
  .rack-bay:hover {
    transform: none;
  }
}

@media (max-width: 900px) {
  .rack-craft,
  .split-grid,
  .liquidity-grid,
  .wire-grid {
    grid-template-columns: 1fr;
  }

  .liquidity-grid {
    direction: rtl;
  }

  .liquidity-grid > * {
    direction: ltr;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(11, 18, 24, 0.97);
    padding: 0.75rem 1.25rem 1.25rem;
    border-bottom: 1px solid var(--line-light);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    color: var(--porcelain);
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(238, 242, 245, 0.08);
  }

  .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
    justify-content: center;
  }

  .hero-copy {
    margin-left: 1.25rem;
    margin-right: 1.25rem;
    width: auto;
    max-width: none;
    padding: 5rem 0 3.25rem;
  }

  .hero-brand {
    font-size: clamp(1.65rem, 8vw, 2.35rem);
    letter-spacing: 0.08em;
  }

  .hero h1 {
    font-size: clamp(2.15rem, 9vw, 3rem);
  }

  .hero-lede {
    font-size: 1.02rem;
  }

  .mandate-rails li,
  .form-row {
    grid-template-columns: 1fr;
  }

  .bay-meta {
    flex-direction: column;
    gap: 0.25rem;
  }
}