/* ============================================================
   Enclave — concept site, dark terminal-luxe.
   Zero external requests: no CDN, no webfonts, no analytics.
   System stacks styled hard; all atmosphere is CSS.
   Shared by all five pages; page-specific styles live in css/<page>.css.
   ============================================================ */

:root {
  color-scheme: dark; /* dark is the default; the header toggle stamps data-theme */

  --bg-0: #05070d;
  --bg-1: #0a0f1a;
  --bg-2: #101827;
  --line: #1d2739;
  --line-2: #2c3a55;

  --ink: #eaf0fb;
  --muted: #93a0b8;
  --faint: #5b6880;

  --accent: #2ee6a8;   /* electric mint — the one DNA link to the product teal */
  --accent-2: #7c8cff; /* periwinkle, gradients and secondary glow */
  --refuse: #ff5c7a;   /* reserved strictly for refusals */
  --warn: #ffc466;

  /* rgb triplets so alpha composites re-theme with the palette */
  --accent-rgb: 46, 230, 168;
  --accent2-rgb: 124, 140, 255;
  --refuse-rgb: 255, 92, 122;
  --warn-rgb: 255, 196, 102;
  --glass-rgb: 16, 24, 39;   /* panel/card glass base */
  --deep-rgb: 5, 7, 13;      /* deepest chrome (header, terminal bar) */
  --mist-rgb: 147, 160, 184; /* hairlines, grid texture, canvas glyphs */
  --on-accent: #04110c;      /* text on accent-filled controls */

  --grad-display: linear-gradient(110deg, var(--accent), var(--accent-2), var(--accent));

  --display: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;

  --r-ctl: 10px;
  --r-card: 16px;

  --ease-micro: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-reveal: cubic-bezier(0.22, 1, 0.36, 1);

  --glow-accent: 0 0 0 1px rgba(var(--accent-rgb), 0.35), 0 0 28px rgba(var(--accent-rgb), 0.18);
  --glow-refuse: 0 0 0 1px rgba(var(--refuse-rgb), 0.4), 0 0 28px rgba(var(--refuse-rgb), 0.2);
}

:root[data-theme="light"] {
  color-scheme: light;

  --bg-0: #f6f7fa;
  --bg-1: #eef1f6;
  --bg-2: #ffffff;
  --line: #dfe4ec;
  --line-2: #c2cbda;

  --ink: #101726;
  --muted: #4c5870;
  --faint: #77829a;

  --accent: #0b8a63;
  --accent-2: #4c5dd8;
  --refuse: #c72747;
  --warn: #9a6a12;

  --accent-rgb: 11, 138, 99;
  --accent2-rgb: 76, 93, 216;
  --refuse-rgb: 199, 39, 71;
  --warn-rgb: 154, 106, 18;
  --glass-rgb: 255, 255, 255;
  --deep-rgb: 233, 237, 244;
  --mist-rgb: 76, 88, 112;
  --on-accent: #ffffff;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-0);
  color: var(--ink);
  font: 400 1.0625rem/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

/* Ambient depth: two fixed radials, ~6% opacity. Free atmosphere, zero JS. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 620px at 12% -8%, rgba(var(--accent-rgb), 0.07), transparent 62%),
    radial-gradient(1000px 720px at 88% 112%, rgba(var(--accent2-rgb), 0.07), transparent 62%);
}

::selection {
  background: rgba(var(--accent-rgb), 0.28);
}

a {
  color: var(--accent);
}

strong {
  font-weight: 650;
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 650;
  text-decoration: none;
  border-radius: 0 0 var(--r-ctl) 0;
}
.skip:focus {
  left: 0;
}

/* ---------- layout ---------- */

.wrap {
  /* full-bleed layout: sections span the viewport, prose keeps its own caps */
  max-width: none;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 72px);
}

section {
  padding: clamp(4rem, 9vw, 7.5rem) 0;
}

.band {
  background: var(--bg-1);
  border-block: 1px solid var(--line);
}

.cols2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ---------- type ---------- */

.kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.display {
  font-family: var(--display);
  font-weight: 850;
  letter-spacing: -0.035em;
  line-height: 1.02;
  font-size: clamp(2.7rem, 7vw, 4.9rem);
  text-wrap: balance;
}

h2 {
  font-family: var(--display);
  font-weight: 750;
  letter-spacing: -0.025em;
  line-height: 1.08;
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  text-wrap: balance;
}

h3 {
  font-family: var(--display);
  font-weight: 650;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.lede {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 44rem;
  margin-top: 1.4rem;
  text-wrap: pretty;
}

.grad {
  color: var(--accent); /* solid fallback first */
  background: var(--grad-display);
  /* the palindromic gradient tiles seamlessly, so the shift can run forever */
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: gradShift 7s linear infinite;
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .grad {
    color: transparent;
  }
}
@keyframes gradShift {
  to {
    background-position: 200% 0;
  }
}

.mono,
.tk,
.rule {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.caption {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--faint);
  letter-spacing: 0.04em;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.72rem 1.35rem;
  border-radius: var(--r-ctl);
  border: 1px solid transparent;
  font: 600 0.98rem/1 var(--body);
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms var(--ease-micro), box-shadow 160ms var(--ease-micro),
    background 160ms var(--ease-micro), border-color 160ms var(--ease-micro);
}
.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}
.btn-primary:hover {
  box-shadow: var(--glow-accent);
}

.btn-ghost {
  color: var(--ink);
  border-color: var(--line-2);
  background: rgba(var(--glass-rgb), 0.4);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-mini {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  color: var(--muted);
  border: 1px solid var(--line-2);
  background: rgba(var(--glass-rgb), 0.4);
  border-radius: 8px;
}
.btn-mini:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- glass panels & cards ---------- */

.panel,
.card {
  background: rgba(var(--glass-rgb), 0.55);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
  border: 1px solid rgba(var(--mist-rgb), 0.14);
  border-top-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--r-card);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .panel,
  .card {
    background: var(--bg-2);
  }
}

.panel {
  padding: 28px;
}

.card {
  padding: 26px;
  transition: transform 160ms var(--ease-micro), box-shadow 160ms var(--ease-micro),
    border-color 160ms var(--ease-micro);
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--accent-rgb), 0.35);
  box-shadow: 0 0 28px rgba(var(--accent-rgb), 0.1);
}
.card h3 {
  margin: 1rem 0 0.6rem;
}
.card p {
  color: var(--muted);
  font-size: 0.98rem;
}

/* mono formula chip that heads a card */
.rule {
  display: inline-block;
  padding: 0.42rem 0.7rem;
  font-size: 0.85rem;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  border-radius: 8px;
  white-space: nowrap;
}
.rule.is-refuse {
  color: var(--refuse);
  background: rgba(var(--refuse-rgb), 0.08);
  border-color: rgba(var(--refuse-rgb), 0.3);
}

/* ---------- chips ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.chip-ok {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
}
.chip-refuse {
  color: var(--refuse);
  background: rgba(var(--refuse-rgb), 0.1);
  border: 1px solid rgba(var(--refuse-rgb), 0.32);
}
.chip-warn {
  color: var(--warn);
  background: rgba(var(--warn-rgb), 0.1);
  border: 1px solid rgba(var(--warn-rgb), 0.3);
}

/* ---------- header ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(var(--deep-rgb), 0.72);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}

.head-in {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 64px;
}

.wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.wordmark .cursor {
  color: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

.nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.3rem 0;
  transition: color 160ms var(--ease-micro);
}
.nav a:hover {
  color: var(--ink);
}
.nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.head-in .btn-primary {
  padding: 0.55rem 1.05rem;
  font-size: 0.9rem;
}

.theme-btn {
  font-family: var(--mono);
  font-size: 1.05rem;
  line-height: 1;
  padding: 0.42rem 0.6rem;
  cursor: pointer;
}

/* ---------- ticker ---------- */

.ticker {
  display: flex;
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--bg-1);
}
.ticker-track {
  display: flex;
  gap: 2.6rem;
  padding: 0.85rem 1.3rem;
  flex-shrink: 0;
  min-width: 100%;
}
.ticker.is-live .ticker-track {
  animation: marquee 45s linear infinite;
}
.ticker:hover .ticker-track,
.ticker:focus-within .ticker-track {
  animation-play-state: paused;
}
@keyframes marquee {
  to {
    transform: translateX(calc(-100% - 2.6rem));
  }
}

.tk {
  display: inline-flex;
  gap: 0.6rem;
  white-space: nowrap;
  font-size: 0.92rem;
}
.tk-sym {
  color: var(--faint);
}
.tk-px {
  color: var(--ink);
}
.tk-chg {
  color: var(--muted);
}
.tk-chg.up {
  color: var(--accent);
}
.tk-chg.down {
  color: rgba(var(--refuse-rgb), 0.85);
}
.tk-chg.held {
  color: var(--warn);
}
.tk-px.flash-up {
  animation: flashUp 400ms var(--ease-micro);
}
.tk-px.flash-down {
  animation: flashDown 400ms var(--ease-micro);
}
@keyframes flashUp {
  from {
    color: var(--accent);
  }
}
@keyframes flashDown {
  from {
    color: var(--refuse);
  }
}

/* ---------- stat band ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}
.stat-label {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- section headers ---------- */

.sec-head {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.sec-head p {
  color: var(--muted);
  margin-top: 1rem;
  text-wrap: pretty;
}

/* ---------- footer ---------- */

.site-foot {
  border-top: 1px solid var(--line);
  background: var(--bg-1);
  padding: 3.5rem 0 3rem;
  margin-top: clamp(3rem, 7vw, 5rem);
}
.foot-stunt {
  color: var(--muted);
  max-width: 56rem;
  text-wrap: pretty;
}
.foot-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  align-items: baseline;
  margin-top: 1.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--faint);
}
.foot-meta a {
  color: var(--faint);
  text-decoration: none;
}
.foot-meta a:hover {
  color: var(--accent);
}

/* ---------- reveals ---------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms var(--ease-reveal), transform 420ms var(--ease-reveal);
  transition-delay: calc(var(--i, 0) * 60ms);
}
html.js .reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  html.js .reveal {
    opacity: 1;
    transform: none;
  }
  .ticker.is-live .ticker-track {
    animation: none;
  }
}

/* ---------- breakpoints ---------- */

@media (max-width: 1100px) {
  .cols2 {
    gap: 32px;
  }
}

@media (max-width: 820px) {
  .grid3 {
    grid-template-columns: 1fr;
  }
  .cols2 {
    grid-template-columns: 1fr;
  }
  .stats {
    grid-template-columns: 1fr 1fr;
    gap: 32px 16px;
  }
  .head-in {
    flex-wrap: wrap;
    gap: 12px 20px;
    padding: 12px 0;
  }
  .nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    gap: 18px;
    overflow-x: auto;
  }
  .head-in .btn-primary {
    margin-left: auto;
  }
}