/* Relay Verity — Concept 02 / Dark systems production candidate
   Original static design system. No external imports. */
:root {
  --bg: #080d12;
  --panel: #0d151d;
  --panel-2: #101b26;
  --panel-3: #142230;
  --text: #e9f6ff;
  --muted: #8da2b3;
  --soft: #c0d2df;
  --line: rgba(116, 224, 255, 0.18);
  --line-strong: rgba(116, 224, 255, 0.38);
  --cyan: #5de7ff;
  --cyan-2: #00c8ff;
  --blue: #3478ff;
  --blue-2: #122cff;
  --acid: #a8ffef;
  --green: #6dffb5;
  --warn: #ffd166;
  --danger: #ff6b8a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --rail: 272px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  background:
    radial-gradient(circle at 80% 5%, rgba(0, 200, 255, 0.18), transparent 30rem),
    radial-gradient(circle at 12% 35%, rgba(52, 120, 255, 0.16), transparent 28rem),
    linear-gradient(135deg, #070a0f 0%, #08111a 46%, #0a1018 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(116, 224, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 224, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), transparent 11rem);
  z-index: -1;
}

a { color: inherit; }
a:hover { color: var(--acid); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 50;
  padding: .7rem 1rem;
  border-radius: 999px;
  background: var(--cyan);
  color: #00131a;
  font-weight: 800;
}
.skip-link:focus { left: 16px; }

:focus-visible {
  outline: 3px solid var(--acid);
  outline-offset: 4px;
}

.preview-banner {
  display: flex;
  gap: .75rem;
  align-items: center;
  padding: .82rem 1rem;
  margin: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 12, 18, 0.92);
  color: var(--soft);
  font-size: .94rem;
}
.preview-banner strong,
.status-pill strong { color: var(--acid); }

.layout {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  min-height: calc(100vh - 48px);
}

.rail {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 1.35rem;
  border-right: 1px solid var(--line);
  background: rgba(6, 12, 18, 0.82);
  backdrop-filter: blur(18px);
}

.brand-block {
  display: grid;
  gap: .9rem;
  padding: .95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(93, 231, 255, 0.08), rgba(16, 27, 38, 0.62));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}

.mark {
  width: 46px;
  height: 46px;
  border-radius: 15px;
  position: relative;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 34px rgba(93, 231, 255, .32);
}
.mark::before,
.mark::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: #061018;
}
.mark::before { width: 22px; height: 4px; left: 12px; top: 14px; box-shadow: 0 8px 0 #061018, 0 16px 0 #061018; }
.mark::after { width: 7px; height: 7px; right: 9px; bottom: 9px; background: var(--acid); }

.brand-name {
  display: block;
  font-size: 1.2rem;
  letter-spacing: -.03em;
  font-weight: 850;
  line-height: 1.05;
}
.brand-kicker,
.mono,
.nav-label,
.eyebrow,
.console-top,
.console-line,
.tile-code,
.form-note,
.legal-note,
.footer small,
.stat-label {
  font-family: var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.brand-kicker {
  display: block;
  color: var(--cyan);
  font-size: .68rem;
  margin-top: .38rem;
}

.primary-nav {
  margin-top: 1.15rem;
  display: grid;
  gap: .42rem;
}
.primary-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  padding: .78rem .84rem;
  border-radius: 13px;
  color: var(--soft);
  text-decoration: none;
  border: 1px solid transparent;
}
.primary-nav a::after {
  content: "↗";
  opacity: .35;
  font-size: .8rem;
}
.primary-nav a[aria-current="page"],
.primary-nav a:hover {
  color: var(--text);
  border-color: var(--line);
  background: rgba(93, 231, 255, 0.08);
}

.rail-panel {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid rgba(52, 120, 255, .22);
  border-radius: var(--radius-lg);
  background: rgba(13, 21, 29, .72);
  color: var(--muted);
  font-size: .9rem;
}
.rail-panel strong { color: var(--text); }
.rail-panel p { margin: .5rem 0 0; }

.content {
  min-width: 0;
}
.main-wrap {
  width: min(1180px, calc(100vw - var(--rail) - 4rem));
  margin: 0 auto;
  padding: 4rem 0 2rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .86fr);
  gap: 2rem;
  align-items: center;
  padding: 3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(140deg, rgba(16, 27, 38, .94), rgba(9, 16, 23, .86)),
    radial-gradient(circle at 24% 0%, rgba(93, 231, 255, .16), transparent 26rem);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-xl) - 1px);
  pointer-events: none;
  background: linear-gradient(110deg, rgba(255,255,255,.07), transparent 18%, transparent 78%, rgba(93,231,255,.09));
}
.hero > * { position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: var(--acid);
  font-size: .74rem;
  margin: 0 0 1rem;
}
.eyebrow::before {
  content: "";
  width: .62rem;
  height: .62rem;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 22px var(--cyan);
}

h1, h2, h3 { line-height: 1.05; margin: 0; letter-spacing: -.045em; }
h1 { font-size: clamp(2.7rem, 6.4vw, 6.6rem); max-width: 11ch; }
.hero h1 { font-size: clamp(2.125rem, 4.2vw, 3.5rem); max-width: 14ch; line-height: 1.12; letter-spacing: -.035em; }
h2 { font-size: clamp(2rem, 4vw, 4rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.75rem); }
p { color: var(--soft); }
.lede { font-size: clamp(1.05rem, 1.8vw, 1.35rem); max-width: 62ch; color: #d5e7f3; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 1.7rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--text);
  text-decoration: none;
  background: rgba(14, 24, 34, .76);
  font-weight: 800;
}
.button.primary {
  color: #03131b;
  border-color: transparent;
  background: linear-gradient(135deg, var(--acid), var(--cyan));
  box-shadow: 0 12px 40px rgba(93,231,255,.2);
}
.button:hover { transform: translateY(-1px); }
.button:disabled { cursor: not-allowed; opacity: .6; transform: none; }

.status-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .7rem;
  margin-top: 2rem;
}
.status-pill {
  padding: .8rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(116, 224, 255, .18);
  background: rgba(8, 13, 18, .66);
  color: var(--muted);
  font-size: .85rem;
}
.stat-label { display: block; color: var(--cyan); font-size: .64rem; margin-bottom: .25rem; }

.event-console {
  border: 1px solid rgba(116, 224, 255, .24);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(3, 10, 16, .96), rgba(9, 17, 25, .94));
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
}
.console-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .95rem 1rem;
  border-bottom: 1px solid rgba(116, 224, 255, .18);
  color: var(--cyan);
  font-size: .68rem;
}
.dots { display: inline-flex; gap: .35rem; }
.dots span { width: .65rem; height: .65rem; border-radius: 50%; background: var(--line-strong); }
.dots span:nth-child(1) { background: var(--danger); }
.dots span:nth-child(2) { background: var(--warn); }
.dots span:nth-child(3) { background: var(--green); }
.console-body { padding: 1rem; display: grid; gap: .65rem; }
.console-line {
  display: grid;
  grid-template-columns: 5.7rem 1fr auto;
  gap: .72rem;
  align-items: center;
  padding: .72rem;
  border: 1px solid rgba(116, 224, 255, .1);
  border-radius: 14px;
  background: rgba(255,255,255,.025);
  color: #d8f3ff;
  font-size: .72rem;
}
.console-line span:first-child { color: var(--muted); }
.console-line span:last-child {
  color: var(--acid);
  padding: .18rem .45rem;
  border-radius: 999px;
  background: rgba(168,255,239,.08);
}
.flow-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .55rem;
  padding: 0 1rem 1rem;
}
.flow-map::before {
  content: "";
  position: absolute;
  left: 12%; right: 12%; top: 21px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}
.flow-node {
  position: relative;
  padding-top: 2.25rem;
  text-align: center;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.flow-node::before {
  content: "";
  position: absolute;
  left: calc(50% - .55rem);
  top: .78rem;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: #07131c;
  border: 1px solid var(--cyan);
  box-shadow: 0 0 20px rgba(93,231,255,.38);
}

.section {
  margin-top: 2rem;
  padding: 2.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(13, 21, 29, .72);
  box-shadow: 0 18px 60px rgba(0,0,0,.18);
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: end;
  margin-bottom: 1.5rem;
}
.section-head p { max-width: 58ch; margin: .7rem 0 0; }

.proof-grid,
.workflow-grid,
.contact-grid,
.legal-grid {
  display: grid;
  gap: 1rem;
}
.proof-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.workflow-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.contact-grid { grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); align-items: start; }
.legal-grid { grid-template-columns: minmax(0, 1fr) 280px; align-items: start; }

.proof-tile,
.workflow-card,
.form-panel,
.info-panel,
.legal-card,
.toc-card {
  border: 1px solid rgba(116, 224, 255, .16);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(16, 27, 38, .92), rgba(8, 13, 18, .68));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}
.proof-tile { padding: 1rem; min-height: 188px; display: flex; flex-direction: column; justify-content: space-between; }
.proof-tile:nth-child(even) { transform: translateY(1.1rem); }
.tile-code { color: var(--cyan); font-size: .66rem; }
.proof-tile h3 { font-size: 1.2rem; margin-top: 1rem; letter-spacing: -.03em; }
.proof-tile p { margin: .65rem 0 0; font-size: .94rem; }

.workflow-card { padding: 1.2rem; }
.workflow-card h3 { font-size: 1.45rem; }
.workflow-card p { margin-bottom: 0; }
.card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  color: #00141b;
  background: linear-gradient(135deg, var(--cyan), var(--acid));
  font-weight: 900;
  font-family: var(--mono);
}

.sequence {
  display: grid;
  gap: .8rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}
.sequence li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: .9rem;
  align-items: start;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(116, 224, 255, .14);
  background: rgba(255,255,255,.025);
}
.sequence .step {
  color: var(--acid);
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .08em;
}
.sequence strong { display: block; color: var(--text); }
.sequence p { margin: .25rem 0 0; }

.form-panel { padding: 1.25rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .95rem; }
.field { display: grid; gap: .4rem; }
.field.full { grid-column: 1 / -1; }
.hp-field { position: absolute; left: -100vw; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
label { color: var(--soft); font-weight: 750; }
input, textarea, select {
  width: 100%;
  border: 1px solid rgba(116, 224, 255, .2);
  border-radius: 13px;
  background: rgba(4, 10, 16, .76);
  color: var(--text);
  padding: .82rem .9rem;
  font: inherit;
}
textarea { min-height: 138px; resize: vertical; }
input::placeholder, textarea::placeholder { color: #61798b; }
.checkbox-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .7rem;
  align-items: start;
  padding: .85rem;
  border: 1px solid rgba(116, 224, 255, .15);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.025);
}
.checkbox-row input { width: 1.15rem; height: 1.15rem; margin-top: .2rem; accent-color: var(--cyan); }
.checkbox-row span { display: block; color: var(--soft); font-size: .92rem; }
.checkbox-row a { color: var(--acid); }
.form-actions { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; margin-top: 1rem; }
.form-note { color: var(--muted); font-size: .68rem; }
.notice {
  display: none;
  margin-top: 1rem;
  padding: .9rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(168,255,239,.35);
  color: var(--acid);
  background: rgba(168,255,239,.08);
}
.notice.is-visible { display: block; }
.notice.is-success { border-color: rgba(168,255,239,.35); color: var(--acid); background: rgba(168,255,239,.08); }
.notice.is-error { border-color: rgba(255,107,138,.36); color: #ffc5d1; background: rgba(255,107,138,.1); }

.info-panel { padding: 1.2rem; }
.info-panel h3 { font-size: 1.35rem; }
.info-list { padding-left: 1.1rem; color: var(--soft); }
.info-list li + li { margin-top: .5rem; }
.callout {
  padding: 1rem;
  border: 1px solid rgba(255, 209, 102, .3);
  border-radius: var(--radius-md);
  background: rgba(255, 209, 102, .07);
  color: #ffe8a8;
}

.page-hero {
  padding: 2.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(16, 27, 38, .94), rgba(8, 13, 18, .82));
  box-shadow: var(--shadow);
}
.page-hero h1 { max-width: 12ch; }
.page-hero .lede { max-width: 72ch; }

.legal-card { padding: 1.35rem; }
.legal-card + .legal-card { margin-top: 1rem; }
.legal-card h2 { font-size: clamp(1.55rem, 2.8vw, 2.2rem); margin-bottom: .7rem; }
.legal-card h3 { font-size: 1.12rem; margin-top: 1rem; letter-spacing: -.02em; }
.legal-card p, .legal-card li { color: var(--soft); }
.legal-card ul { padding-left: 1.3rem; }
.legal-note {
  display: inline-block;
  margin-bottom: .7rem;
  color: var(--warn);
  font-size: .68rem;
}
.toc-card {
  position: sticky;
  top: 1rem;
  padding: 1rem;
}
.toc-card a {
  display: block;
  text-decoration: none;
  color: var(--soft);
  padding: .42rem 0;
  border-bottom: 1px solid rgba(116, 224, 255, .09);
}
.toc-card a:hover { color: var(--acid); }

.footer {
  width: min(1180px, calc(100vw - var(--rail) - 4rem));
  margin: 1.8rem auto 0;
  padding: 1.3rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: start; }
.footer a { color: var(--soft); }
.footer-nav { display: flex; gap: .9rem; flex-wrap: wrap; }
.footer p { margin: .35rem 0; color: var(--muted); }

@media (max-width: 1050px) {
  .layout { grid-template-columns: 1fr; }
  .rail { position: relative; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand-block { grid-template-columns: auto 1fr; align-items: center; }
  .primary-nav { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .primary-nav a::after { content: none; }
  .rail-panel { display: none; }
  .main-wrap, .footer { width: min(100% - 2rem, 1180px); }
  .hero { grid-template-columns: 1fr; padding: 2rem; }
  .proof-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workflow-grid, .contact-grid, .legal-grid { grid-template-columns: 1fr; }
  .toc-card { position: relative; top: auto; }
}

@media (max-width: 720px) {
  .preview-banner { align-items: flex-start; font-size: .82rem; }
  .rail { padding: 1rem; }
  .primary-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .main-wrap { padding-top: 1rem; }
  .hero, .section, .page-hero { padding: 1.2rem; border-radius: 22px; }
  .status-row, .proof-grid, .workflow-grid, .form-grid { grid-template-columns: 1fr; }
  .proof-tile:nth-child(even) { transform: none; }
  .console-line { grid-template-columns: 1fr; gap: .25rem; }
  .flow-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .button:hover { transform: none; }
}