/* Sightline: design tokens first, then layout, components and states.
   Spacing, type sizes and radii only use the steps defined here. */

:root {
  /* Color */
  --color-bg: #000000;
  --color-surface: #181818;
  --color-surface-raised: #1f1f1f;
  --color-surface-hover: #272727;
  --color-border: #313131;
  --color-text: #ffffff;
  --color-text-muted: #9b9b9b;
  --color-text-faint: #6b6b6b;
  --color-accent: #7cf0c9;
  --color-accent-ink: #04140f;
  --color-up: #6fdc8c;
  --color-down: #ff8389;
  --color-focus: #a6f5db;

  /* Type */
  --font-sans: "Geist", system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, monospace;

  /* Spacing */
  --space-25: 2px;
  --space-50: 4px;
  --space-75: 8px;
  --space-100: 12px;
  --space-200: 16px;
  --space-300: 24px;
  --space-400: 32px;
  --space-500: 40px;
  --space-600: 48px;
  --space-700: 64px;
  --space-800: 80px;
  --space-900: 96px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-full: 9999px;

  /* Motion */
  --ease-fluid: cubic-bezier(0.32, 0.72, 0, 1);
  --duration-fast: 300ms;
  --duration-slow: 800ms;

  --content-width: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5rem;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 600; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; }
ul, ol, dl { margin: 0; padding: 0; list-style: none; }
button, input { font: inherit; color: inherit; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: var(--space-200); top: -100px; z-index: 100;
  padding: var(--space-75) var(--space-100); border-radius: var(--radius-lg);
  background: var(--color-accent); color: var(--color-accent-ink); font-weight: 600;
}
.skip-link:focus { top: var(--space-200); }

:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }

.mono { font-family: var(--font-mono); }

/* ---------- Island nav ---------- */

.island-wrap { position: sticky; top: 0; z-index: 50; display: flex; justify-content: center; padding: var(--space-300) var(--space-200) 0; pointer-events: none; }

.island {
  pointer-events: auto;
  display: flex; align-items: center; gap: var(--space-300);
  width: max-content; max-width: 100%;
  padding: var(--space-75) var(--space-75) var(--space-75) var(--space-200);
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  background: rgba(24, 24, 24, 0.72); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
}

.brand { display: inline-flex; align-items: center; gap: var(--space-75); font-weight: 600; text-decoration: none; position: relative; z-index: 2; }
.brand-mark { width: 20px; height: 20px; color: var(--color-accent); }

.island-links { display: flex; gap: var(--space-50); }
.island-links a {
  display: block; padding: var(--space-75) var(--space-100); border-radius: var(--radius-full);
  font-size: 0.875rem; line-height: 1.25rem; font-weight: 500; color: var(--color-text-muted); text-decoration: none;
  transition: background-color var(--duration-fast) var(--ease-fluid), color var(--duration-fast) var(--ease-fluid);
}
.island-links a:hover, .island-links a[aria-current="true"] { background: var(--color-surface-hover); color: var(--color-text); }

.menu-toggle {
  display: none; position: relative; z-index: 2; width: 40px; height: 40px;
  border: 0; border-radius: var(--radius-full); background: var(--color-surface-hover); cursor: pointer;
}
.menu-line {
  position: absolute; left: 12px; width: 16px; height: 2px; border-radius: var(--radius-full); background: currentColor;
  transition: transform 700ms var(--ease-fluid);
}
.menu-line:first-child { transform: translateY(-3px); }
.menu-line:last-child { transform: translateY(3px); }
.menu-toggle[aria-expanded="true"] .menu-line:first-child { transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-line:last-child { transform: rotate(-45deg); }

.menu-overlay {
  pointer-events: auto; position: fixed; inset: 0; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, 0.8); backdrop-filter: blur(64px); -webkit-backdrop-filter: blur(64px);
}
.menu-overlay[hidden] { display: none; }
.menu-overlay ul { display: grid; gap: var(--space-300); text-align: center; }
.menu-overlay a { font-size: 1.875rem; line-height: 2.25rem; font-weight: 600; text-decoration: none; }
.menu-overlay li { opacity: 0; transform: translateY(48px); transition: opacity 700ms var(--ease-fluid), transform 700ms var(--ease-fluid); }
.menu-overlay.is-open li { opacity: 1; transform: translateY(0); }
.menu-overlay.is-open li:nth-child(1) { transition-delay: 100ms; }
.menu-overlay.is-open li:nth-child(2) { transition-delay: 150ms; }
.menu-overlay.is-open li:nth-child(3) { transition-delay: 200ms; }
.menu-overlay.is-open li:nth-child(4) { transition-delay: 250ms; }
.menu-overlay.is-open li:nth-child(5) { transition-delay: 300ms; }

/* ---------- Buttons ---------- */

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-75);
  padding: var(--space-75) var(--space-100); border: 0; border-radius: var(--radius-lg);
  font-size: 1rem; line-height: 1.5rem; font-weight: 600; text-decoration: none; cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-fluid), background-color var(--duration-fast) var(--ease-fluid);
}
.button:active { transform: scale(0.98); }
.button-primary { background: var(--color-accent); color: var(--color-accent-ink); }
.button-primary:hover { background: var(--color-focus); }
.button-secondary { background: var(--color-surface-hover); color: var(--color-text); }
.button-secondary:hover { background: var(--color-border); }
.button-small { font-size: 0.875rem; line-height: 1.25rem; }

.link-button {
  padding: 0; border: 0; background: none; color: var(--color-accent); cursor: pointer;
  text-decoration: underline; text-underline-offset: 3px;
}
.link-button:hover { color: var(--color-focus); }

/* ---------- Hero ---------- */

.hero {
  max-width: var(--content-width); margin: 0 auto;
  padding: var(--space-900) var(--space-200) var(--space-800);
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-300);
}

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-75);
  padding: var(--space-50) var(--space-100); border: 1px solid var(--color-border); border-radius: var(--radius-full);
  font-family: var(--font-mono); font-size: 0.75rem; line-height: 1rem; color: var(--color-text-muted);
}
.live-dot { width: 8px; height: 8px; border-radius: var(--radius-full); background: var(--color-accent); animation: pulse-dot 2s var(--ease-fluid) infinite; }
@keyframes pulse-dot { 50% { opacity: 0.35; } }

.hero-title {
  max-width: 680px; font-size: 3rem; line-height: 1; letter-spacing: -0.02em;
  background: linear-gradient(90deg, #ffffff, #9b9b9b); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { max-width: 680px; font-size: 1.125rem; line-height: 1.75rem; color: var(--color-text-muted); }

.ask, .lookup-form {
  display: flex; gap: var(--space-75); width: 100%; max-width: 680px;
  padding: var(--space-75); border: 1px solid var(--color-border); border-radius: var(--radius-2xl);
  background: var(--color-surface);
  transition: border-color var(--duration-fast) var(--ease-fluid);
}
.ask:focus-within, .lookup-form:focus-within { border-color: var(--color-text-faint); }
.ask input, .lookup-form input {
  flex: 1; min-width: 0; padding: var(--space-75) var(--space-100);
  border: 0; background: transparent; outline: none;
}
.ask input::placeholder, .lookup-form input::placeholder, .glossary-filter::placeholder { color: var(--color-text-faint); }
.lookup-form input { font-family: var(--font-mono); font-size: 0.875rem; }

.ask-note {
  max-width: 680px; padding: var(--space-100) var(--space-200);
  border: 1px solid var(--color-border); border-radius: var(--radius-xl);
  background: var(--color-surface); color: var(--color-text-muted); font-size: 0.875rem; line-height: 1.25rem;
}

.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-75); max-width: 680px; }
.chip {
  padding: var(--space-50) var(--space-100); border: 1px solid var(--color-border); border-radius: var(--radius-full);
  background: transparent; font-size: 0.875rem; line-height: 1.25rem; color: var(--color-text-muted); cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-fluid), color var(--duration-fast) var(--ease-fluid), transform var(--duration-fast) var(--ease-fluid);
}
.chip:hover { background: var(--color-surface-hover); color: var(--color-text); }
.chip:active { transform: scale(0.98); }

.proof { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-200) var(--space-300); color: var(--color-text-muted); font-size: 0.875rem; line-height: 1.25rem; }
.proof li { display: inline-flex; align-items: center; gap: var(--space-75); }
.proof i { color: var(--color-accent); font-size: 1rem; }

/* ---------- Sections ---------- */

.section { max-width: var(--content-width); margin: 0 auto; padding: var(--space-800) var(--space-200); }
.section-head { display: grid; gap: var(--space-100); margin-bottom: var(--space-500); max-width: 680px; }
.kicker { font-family: var(--font-mono); font-size: 0.75rem; line-height: 1rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-accent); }
.section h2 { font-size: 2.25rem; line-height: 2.5rem; letter-spacing: -0.01em; }
.section-sub { color: var(--color-text-muted); }
.updated { font-family: var(--font-mono); font-size: 0.75rem; line-height: 1rem; color: var(--color-text-faint); }
.fineprint { margin-top: var(--space-300); font-size: 0.75rem; line-height: 1rem; color: var(--color-text-faint); }

/* ---------- Cards ---------- */

.card {
  padding: var(--space-300); border: 1px solid var(--color-border); border-radius: var(--radius-2xl);
  background: var(--color-surface);
}
.card-title {
  display: flex; align-items: center; gap: var(--space-75); margin-bottom: var(--space-200);
  font-size: 0.875rem; line-height: 1.25rem; font-weight: 500; color: var(--color-text-muted);
}
.card-title i { color: var(--color-accent); font-size: 1rem; }

/* ---------- Pulse ---------- */

.pulse-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: var(--space-200); }
.card-full { grid-column: 1 / -1; }

.block-number { font-family: var(--font-mono); font-size: 1.875rem; line-height: 2.25rem; font-weight: 500; }
.stat-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-200); margin: var(--space-300) 0; }
.stat dt { font-size: 0.75rem; line-height: 1rem; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.06em; }
.stat dd { margin: var(--space-50) 0 0; font-family: var(--font-mono); font-size: 0.875rem; line-height: 1.25rem; }
.card-actions { display: flex; flex-wrap: wrap; gap: var(--space-75); }

.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; line-height: 1.25rem; }
.data-table th {
  padding: var(--space-75); text-align: right; font-weight: 500; font-size: 0.75rem; line-height: 1rem;
  color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.06em; white-space: nowrap;
}
.data-table td { padding: var(--space-100) var(--space-75); text-align: right; font-family: var(--font-mono); white-space: nowrap; border-top: 1px solid var(--color-border); }
.data-table th:first-child, .data-table td:first-child { text-align: left; font-family: var(--font-sans); }
.data-table tbody tr { transition: background-color var(--duration-fast) var(--ease-fluid); }
.data-table tbody tr[data-lookup] { cursor: pointer; }
.data-table tbody tr:hover, .data-table tbody tr:focus-visible { background: var(--color-surface-hover); }
.data-table td a { text-decoration: none; }
.data-table td a:hover { text-decoration: underline; text-underline-offset: 3px; }
.up { color: var(--color-up); }
.down { color: var(--color-down); }

.headlines { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-75) var(--space-300); }
.headline { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-200); padding: var(--space-100) 0; border-top: 1px solid var(--color-border); }
.headline a { text-decoration: none; }
.headline a:hover { text-decoration: underline; text-underline-offset: 3px; }
.headline-meta { margin-top: var(--space-50); font-size: 0.75rem; line-height: 1rem; color: var(--color-text-faint); }

.ask-chip {
  flex-shrink: 0; padding: var(--space-25) var(--space-75); border: 1px solid var(--color-border); border-radius: var(--radius-full);
  background: transparent; font-size: 0.75rem; line-height: 1rem; color: var(--color-text-muted); cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-fluid);
}
.ask-chip:hover { background: var(--color-surface-hover); color: var(--color-text); }

/* ---------- Loading, empty and error states ---------- */

.skeleton {
  height: 20px; margin-bottom: var(--space-100); border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-surface-raised), var(--color-surface-hover), var(--color-surface-raised));
  background-size: 200% 100%; animation: shimmer 1.4s var(--ease-fluid) infinite;
}
.skeleton-xl { height: 36px; width: 60%; }
.skeleton-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-200); margin-top: var(--space-300); }
@keyframes shimmer { to { background-position: -200% 0; } }

.error-state, .empty-state {
  display: flex; align-items: flex-start; gap: var(--space-100);
  padding: var(--space-200); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  background: var(--color-surface-raised); color: var(--color-text-muted); font-size: 0.875rem; line-height: 1.25rem;
}
.empty-state { padding: var(--space-400); border-radius: var(--radius-2xl); }
.error-state i, .empty-state i { font-size: 1.25rem; color: var(--color-text-faint); }
.empty-inline { color: var(--color-text-faint); font-size: 0.875rem; }

.field-error { max-width: 680px; margin-top: var(--space-75); color: var(--color-down); font-size: 0.875rem; line-height: 1.25rem; }

/* ---------- Tagline reveal ---------- */

.tagline { padding-top: var(--space-900); padding-bottom: var(--space-900); }
.tagline-text { max-width: 680px; font-size: 2.25rem; line-height: 2.5rem; font-weight: 600; letter-spacing: -0.01em; }
.tagline-word { color: rgba(255, 255, 255, 0.3); transition: color 700ms var(--ease-fluid); }
.tagline-word.is-lit { color: var(--color-text); }

/* ---------- Lookup ---------- */

.lookup-try { margin-top: var(--space-100); font-size: 0.875rem; line-height: 1.25rem; color: var(--color-text-faint); }
.lookup-result { margin-top: var(--space-400); }
.result-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-200); margin-bottom: var(--space-300); }
.result-title { display: grid; gap: var(--space-50); min-width: 0; }
.result-title h3 { font-size: 1.25rem; line-height: 1.75rem; }
.result-address { font-family: var(--font-mono); font-size: 0.875rem; line-height: 1.25rem; color: var(--color-text-muted); overflow-wrap: anywhere; }
.badge {
  display: inline-flex; align-items: center; gap: var(--space-50); width: max-content;
  padding: var(--space-25) var(--space-75); border-radius: var(--radius-full); background: var(--color-surface-hover);
  font-family: var(--font-mono); font-size: 0.75rem; line-height: 1rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted);
}
.badge-good { color: var(--color-up); }
.badge-bad { color: var(--color-down); }
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--space-200); margin-bottom: var(--space-300); }
.result-subtitle { margin: var(--space-300) 0 var(--space-100); font-size: 0.875rem; line-height: 1.25rem; font-weight: 500; color: var(--color-text-muted); }
.holdings-toggle { margin-top: var(--space-100); font-size: 0.875rem; line-height: 1.25rem; }
.history-loading { margin-top: var(--space-300); }
.address-link { font-family: var(--font-mono); color: var(--color-text-muted); }

/* ---------- Steps, glossary, trust, status, FAQ ---------- */

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-200); }
.step { padding: var(--space-300); border: 1px solid var(--color-border); border-radius: var(--radius-2xl); background: var(--color-surface); }
.step-number { font-family: var(--font-mono); font-size: 0.875rem; color: var(--color-accent); }
.step h3 { margin: var(--space-200) 0 var(--space-75); font-size: 1.25rem; line-height: 1.75rem; }
.step p { color: var(--color-text-muted); }

.glossary-filter {
  width: 100%; max-width: 360px; margin-bottom: var(--space-300); padding: var(--space-75) var(--space-100);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface);
}
.glossary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-200); }
.glossary-item { display: flex; justify-content: space-between; gap: var(--space-200); padding: var(--space-200); border: 1px solid var(--color-border); border-radius: var(--radius-xl); background: var(--color-surface); }
.glossary-item dt { font-weight: 600; }
.glossary-item dd { margin: var(--space-50) 0 0; color: var(--color-text-muted); font-size: 0.875rem; line-height: 1.25rem; }

.trust-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-200); }
.trust-grid i { font-size: 1.5rem; color: var(--color-accent); }
.trust-grid h3 { margin: var(--space-200) 0 var(--space-75); font-size: 1rem; line-height: 1.5rem; }
.trust-grid p { color: var(--color-text-muted); font-size: 0.875rem; line-height: 1.25rem; }

.status-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-200); }
.status-list li { display: flex; justify-content: space-between; gap: var(--space-200); padding: var(--space-75) 0; border-top: 1px solid var(--color-border); font-size: 0.875rem; line-height: 1.25rem; }
.status-on { color: var(--color-up); }
.status-off { color: var(--color-text-faint); }

.faq { display: grid; gap: var(--space-100); max-width: 780px; }
.faq details { border: 1px solid var(--color-border); border-radius: var(--radius-xl); background: var(--color-surface); }
.faq summary { padding: var(--space-200); font-weight: 500; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: var(--space-200); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--color-text-faint); transition: transform var(--duration-fast) var(--ease-fluid); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 var(--space-200) var(--space-200); color: var(--color-text-muted); }

.final-cta { display: flex; flex-direction: column; align-items: center; gap: var(--space-200); text-align: center; padding-bottom: var(--space-900); }

.footer {
  max-width: var(--content-width); margin: 0 auto; padding: var(--space-400) var(--space-200);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-200);
  border-top: 1px solid var(--color-border); color: var(--color-text-faint); font-size: 0.875rem; line-height: 1.25rem;
}
.footer nav { display: flex; gap: var(--space-300); }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--color-text); }

/* ---------- Scroll reveal ---------- */

.reveal { opacity: 0; transform: translateY(64px); filter: blur(12px); transition: opacity var(--duration-slow) var(--ease-fluid), transform var(--duration-slow) var(--ease-fluid), filter var(--duration-slow) var(--ease-fluid); }
.reveal.is-visible { opacity: 1; transform: translateY(0); filter: blur(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; filter: none; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .pulse-grid, .steps, .glossary, .status-grid, .headlines { grid-template-columns: minmax(0, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .island-links { display: none; }
  .menu-toggle { display: block; }
  .hero { padding-top: var(--space-700); }
  .hero-title { font-size: 2.25rem; line-height: 2.5rem; }
  .hero-title br { display: none; }
  .section { padding-top: var(--space-700); padding-bottom: var(--space-700); }
  .section h2, .tagline-text { font-size: 1.875rem; line-height: 2.25rem; }
  .trust-grid { grid-template-columns: minmax(0, 1fr); }
  .ask, .lookup-form { flex-direction: column; }
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}