/* ═══════════════════════════════════════════════════════════
   NOCTIX — noctix.dev
   "The night shift": dark, quiet, and something is always running.
   Plain CSS. No framework, no build step.
   ═══════════════════════════════════════════════════════════ */

/* ── Typeface (self-hosted; no third-party requests) ───────── */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('/assets/fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
    U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
    U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('/assets/fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7,
    U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F,
    U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F,
    U+A720-A7FF;
}

/* ── Tokens ────────────────────────────────────────────────── */

:root {
  /* surfaces, darkest to lightest */
  --bg: #06080d;
  --surface: #0a0e16;
  --surface-2: #10151f;
  --surface-3: #161c29;

  /* hairlines catch "light" like brushed metal */
  --line: rgba(148, 163, 204, 0.10);
  --line-2: rgba(148, 163, 204, 0.18);

  /* ink */
  --ink: #eaeef7;
  --ink-2: #a3aec6;
  --ink-3: #6b7590;

  /* iris = brand, mint = "running / verified", amber = "attention" */
  --iris: #8da2ff;
  --iris-soft: #b9c4ff;
  --iris-deep: #5b6fd6;
  --mint: #4fd6b0;
  --amber: #ffc46b;

  --shell: 1160px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Cascadia Code', 'SF Mono', 'JetBrains Mono', Consolas, monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --radius: 14px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  font-feature-settings: 'cv05' 1, 'ss03' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Aurora + grain: two fixed layers that give the page depth without
   costing a single image request. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(760px 520px at 12% -8%, rgba(91, 111, 214, 0.20), transparent 68%),
    radial-gradient(680px 460px at 88% 4%, rgba(79, 214, 176, 0.09), transparent 66%),
    radial-gradient(900px 700px at 50% 108%, rgba(141, 162, 255, 0.08), transparent 70%);
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.16;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

::selection { background: rgba(141, 162, 255, 0.30); color: #fff; }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--surface-3);
  border-radius: 99px;
  border: 3px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: #222a3b; }

a { color: var(--iris); text-decoration: none; }
a:hover { color: var(--iris-soft); }

:focus-visible {
  outline: 2px solid var(--iris);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  background: var(--iris);
  color: #07090f;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  font-weight: 600;
  z-index: 200;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ── Header ────────────────────────────────────────────────── */

.masthead {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 8, 13, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color 250ms var(--ease), background 250ms var(--ease);
}
.masthead.is-stuck {
  border-bottom-color: var(--line);
  background: rgba(6, 8, 13, 0.88);
}
.masthead .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 68px;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.16em;
}
.mark:hover { color: var(--ink); }
.mark svg { color: var(--iris); flex: none; }
.mark:hover svg { color: var(--iris-soft); }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
  font-size: 0.94rem;
}
.nav a {
  color: var(--ink-2);
  position: relative;
  padding-block: 0.35rem;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current='page'] { color: var(--ink); }
.nav a[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--iris), transparent);
}

/* ── Type ──────────────────────────────────────────────────── */

main { flex: 1; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.kicker::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--iris);
  opacity: 0.7;
}

h1 {
  font-size: clamp(2.7rem, 7.2vw, 4.75rem);
  line-height: 0.99;
  letter-spacing: -0.038em;
  font-weight: 700;
  text-wrap: balance;
}
h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.45rem);
  line-height: 1.12;
  letter-spacing: -0.028em;
  font-weight: 700;
  text-wrap: balance;
}
h3 {
  font-size: 1.1rem;
  letter-spacing: -0.012em;
  font-weight: 650;
}

.lede {
  font-size: clamp(1.08rem, 1.7vw, 1.26rem);
  line-height: 1.62;
  color: var(--ink-2);
  max-width: 40rem;
  text-wrap: pretty;
}

.section { padding-block: clamp(4rem, 9vw, 7.5rem); }
.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head h2 { margin-top: 0.9rem; }
.section-head p { color: var(--ink-2); margin-top: 0.9rem; }

.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line-2) 20%, var(--line-2) 80%, transparent);
}

/* ── Buttons ───────────────────────────────────────────────── */

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

.btn {
  --btn-bg: transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  border: 1px solid var(--line-2);
  background: var(--btn-bg);
  color: var(--ink);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease),
    background 180ms var(--ease), box-shadow 180ms var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-1px); color: var(--ink); }

.btn-primary {
  --btn-bg: linear-gradient(180deg, var(--iris-soft), var(--iris));
  color: #080b12;
  border-color: transparent;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset,
    0 10px 30px -12px rgba(141, 162, 255, 0.75);
}
.btn-primary:hover {
  color: #080b12;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.45) inset,
    0 16px 40px -14px rgba(141, 162, 255, 0.95);
}
.btn-quiet:hover { border-color: var(--line-2); background: rgba(148, 163, 204, 0.06); }
.btn .arrow { transition: transform 180ms var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* ── Hero ──────────────────────────────────────────────────── */

.hero { padding-block: clamp(3.5rem, 8vw, 6.5rem) clamp(3rem, 6vw, 5rem); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.hero h1 { margin-top: 1.4rem; }
.hero .lede { margin-top: 1.5rem; }
.hero .actions { margin-top: 2.25rem; }

/* headline: the last word glows like a running indicator */
.glow-word {
  background: linear-gradient(180deg, #fff 10%, var(--iris-soft) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── The console: the signature element ────────────────────
   A billing runner that executes on its own, forever, while
   you watch. The site demonstrates the pitch. */

.console {
  position: relative;
  border: 1px solid var(--line-2);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(22, 28, 41, 0.92), rgba(10, 14, 22, 0.96));
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 40px 90px -50px rgba(0, 0, 0, 0.95),
    0 0 90px -40px rgba(141, 162, 255, 0.35);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 0.83rem;
}
.console::before {           /* top light-catch */
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(185, 196, 255, 0.55), transparent);
}

.console-bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 1.05rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.console-bar .name { color: var(--ink-2); }
.console-bar .clock { margin-left: auto; font-variant-numeric: tabular-nums; }

.beacon {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--mint);
  box-shadow: 0 0 0 0 rgba(79, 214, 176, 0.6);
  animation: beacon 2.4s var(--ease) infinite;
  flex: none;
}
@keyframes beacon {
  0%   { box-shadow: 0 0 0 0 rgba(79, 214, 176, 0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(79, 214, 176, 0); }
  100% { box-shadow: 0 0 0 0 rgba(79, 214, 176, 0); }
}

.console-body { padding: 0.55rem 0; }

.step {
  display: grid;
  grid-template-columns: 1.4rem 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1.05rem;
  color: var(--ink-3);
  transition: color 300ms var(--ease), background 300ms var(--ease);
}
.step .glyph {
  width: 1.4rem;
  text-align: center;
  color: var(--ink-3);
  transition: color 300ms var(--ease);
}
.step .val {
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}

.step[data-state='active'] {
  color: var(--ink);
  background: linear-gradient(90deg, rgba(141, 162, 255, 0.10), transparent 70%);
}
.step[data-state='active'] .glyph { color: var(--iris); animation: spin 1s linear infinite; }
.step[data-state='done'] { color: var(--ink-2); }
.step[data-state='done'] .glyph { color: var(--mint); }
.step[data-state='done'] .val,
.step[data-state='active'] .val { opacity: 1; transform: none; }
.step[data-state='done'] .val { color: var(--ink-2); }

@keyframes spin { to { transform: rotate(360deg); } }

.console-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  padding: 0.8rem 1.05rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
  color: var(--ink-3);
  font-size: 0.78rem;
}
.console-foot .ok { color: var(--mint); }

/* ── Stat strip ────────────────────────────────────────────── */

.strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.strip .cell {
  background: var(--surface);
  padding: 1.5rem 1.4rem;
}
.strip .num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--iris-soft);
  font-variant-numeric: tabular-nums;
}
.strip .cap {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--ink-3);
}

/* ── Cards ─────────────────────────────────────────────────── */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(272px, 1fr));
  gap: 1.1rem;
}

.card {
  position: relative;
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2) 30%, var(--line-2) 70%, transparent);
  opacity: 0;
  transition: opacity 220ms var(--ease);
}
.card:hover { border-color: var(--line-2); transform: translateY(-3px); }
.card:hover::before { opacity: 1; }
.card p { color: var(--ink-2); font-size: 0.97rem; margin-top: 0.6rem; }

.card .ico {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  margin-bottom: 1.1rem;
  color: var(--iris);
  background: rgba(141, 162, 255, 0.10);
  border: 1px solid rgba(141, 162, 255, 0.20);
}
.card .more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1.1rem;
  font-size: 0.9rem;
  font-weight: 600;
}
.card .more .arrow { transition: transform 180ms var(--ease); }
.card:hover .more .arrow { transform: translateX(3px); }

/* ── Feature panel ─────────────────────────────────────────── */

.panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  padding: clamp(1.75rem, 4vw, 3rem);
  overflow: hidden;
}
.panel::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(185, 196, 255, 0.4), transparent);
}
.panel h2 { margin-top: 0.9rem; }
.panel p { color: var(--ink-2); max-width: 44rem; margin-top: 1rem; }
.panel .actions { margin-top: 1.75rem; }

.panel-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
}

/* ── Pipeline diagram (case study) ─────────────────────────── */

.flow {
  display: grid;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.82rem;
}
.flow-node {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.015);
  color: var(--ink-2);
}
.flow-node .idx {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  font-size: 0.7rem;
  color: var(--iris);
  background: rgba(141, 162, 255, 0.12);
  border: 1px solid rgba(141, 162, 255, 0.22);
}
.flow-node.gate {
  border-color: rgba(79, 214, 176, 0.28);
  background: rgba(79, 214, 176, 0.06);
  color: var(--ink);
}
.flow-node.gate .idx {
  color: var(--mint);
  background: rgba(79, 214, 176, 0.14);
  border-color: rgba(79, 214, 176, 0.3);
}
.flow-link {
  width: 1px;
  height: 14px;
  margin-left: 1.7rem;
  background: linear-gradient(180deg, var(--line-2), transparent);
}

/* ── Prose ─────────────────────────────────────────────────── */

.prose { max-width: 42rem; }
.prose > * + * { margin-top: 1.15rem; }
.prose p { color: var(--ink-2); text-wrap: pretty; }
.prose strong { color: var(--ink); font-weight: 650; }
.prose h2 { margin-top: 2.75rem; }
.prose ul { padding-left: 1.15rem; color: var(--ink-2); }
.prose li { margin-top: 0.55rem; }
.prose li::marker { color: var(--iris); }

.pull {
  border-left: 2px solid var(--iris);
  padding-left: 1.25rem;
  color: var(--ink);
  font-size: 1.1rem;
  line-height: 1.6;
}

.chips { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.chip {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--ink-2);
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.02);
}

/* ── Contact ───────────────────────────────────────────────── */

.mailto {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: clamp(1.25rem, 4vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  padding-bottom: 0.35rem;
  border-bottom: 2px solid rgba(141, 162, 255, 0.35);
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}
.mailto:hover { color: var(--iris-soft); border-bottom-color: var(--iris); }

/* ── Footer ────────────────────────────────────────────────── */

.foot {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding-block: 2.5rem 3rem;
  font-size: 0.9rem;
  color: var(--ink-3);
}
.foot .shell {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
}
.foot-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.foot-links a { color: var(--ink-3); }
.foot-links a:hover { color: var(--ink); }
.foot .status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}

/* ── Reveal on scroll ──────────────────────────────────────
   Scoped to .has-js, which an inline <head> script sets. With
   JavaScript off — or if IntersectionObserver never fires —
   the content is simply visible. Never hide content behind JS. */

.has-js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.has-js .reveal.is-in { opacity: 1; transform: none; }

/* ── Responsive ────────────────────────────────────────────── */

@media (max-width: 940px) {
  .hero-grid, .panel-split { grid-template-columns: minmax(0, 1fr); }
  .hero-grid { gap: 2.5rem; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .masthead .shell { min-height: 60px; gap: 0.75rem; }
  .nav { gap: 0.9rem; font-size: 0.88rem; }
  .mark span { display: none; }
  .foot .shell { flex-direction: column; align-items: flex-start; }
}

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