/* ═══════════════════════════════════════════════════════════════
  KATAKANA: Build In Progress
  styles.css - mobile-first
   ═══════════════════════════════════════════════════════════════ */

/* ─── DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  --color-obsidian:  #050505;
  --color-alabaster: #F4F4F0;
  --color-slate:     #2C2C2C;
  --color-graphite:  #7A7A7A;
  --color-bronze:    #B89768;

  --font-sans:  'Space Grotesk',      'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Cormorant Garamond', 'Times New Roman', Georgia, serif;
  --font-mono:  'Space Mono',         'Courier New',     monospace;

  --gutter: clamp(16px, 4.5vw, 72px);

  --header-h: 52px;
  --footer-h: 44px;

  /* Animation timing: linear / mechanical only */
  --dur-dot: 2.8s;
}

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

html {
  height: 100%;
  overflow: hidden;
  background: var(--color-obsidian);
}

body {
  height: 100%;
  overflow: hidden;
  background: var(--color-obsidian);
  color:      var(--color-alabaster);
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.4vw, 18px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── PAGE SHELL ────────────────────────────────────────────── */
.page {
  position: relative;
  display: grid;
  grid-template-rows: var(--header-h) 1fr var(--footer-h);
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

/* ─── BACKGROUND SYSTEM ─────────────────────────────────────── */
.bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* Fine 40 px micro-grid: static, barely perceptible */
.bg-micro {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right,  rgba(122,122,122,.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(122,122,122,.08) 1px, transparent 1px);
  background-size: 40px 40px;
  image-rendering: pixelated;
}

/* SVG geometric layer */
.bg-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Commit-graph cell field: contribution-grid backdrop.
   Cells sized/positioned by JS; graphite base, rare bronze accents. */
.bg-graph {
  position: absolute;
  inset: var(--header-h) 0 var(--footer-h) 0; /* clear of header / footer rows */
  display: grid;
  gap: 4px;
  padding: 16px var(--gutter);
  overflow: hidden;
}

.bg-graph i {
  display: block;
  border-radius: 2px;
  background: var(--c, #7A7A7A);
  opacity: var(--o, .05);
  transition: opacity 1.4s ease;
}

/* Scrim: keep the build indicator legible over the field */
.bg-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(5,5,5,.72) 0%,
    rgba(5,5,5,.4) 45%,
    rgba(5,5,5,.15) 100%);
}

/* ─── HEADER ────────────────────────────────────────────────── */
.header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  background: var(--color-obsidian);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.monomark {
  display: block;
  width: clamp(26px, 2.6vw, 38px);
  height: clamp(26px, 2.6vw, 38px);
  flex-shrink: 0;
}

.brand-sep {
  display: block;
  width: 1px;
  height: 18px;
  background: var(--color-slate);
  flex-shrink: 0;
}

.wordmark {
  font-family: var(--font-sans);
  font-size: clamp(12px, 1.2vw, 16px);
  font-weight: 700;
  letter-spacing: .44em;
  text-transform: uppercase;
  color: var(--color-alabaster);
  text-decoration: none;
  white-space: nowrap;
}

.wordmark:focus-visible {
  outline: 1px solid var(--color-bronze);
  outline-offset: 4px;
}

/* Badge and meta enter at larger breakpoints */
.header-badge {
  display: none;
  font-family: var(--font-mono);
  font-size: clamp(10px, 0.9vw, 12px);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-graphite);
  border: 1px solid var(--color-slate);
  padding: 3px 10px;
  white-space: nowrap;
}

.header-meta {
  display: none;
  align-items: center;
  gap: 24px;
}

.meta-field {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.meta-label {
  font-family: var(--font-mono);
  font-size: clamp(8.5px, 0.75vw, 10px);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(122,122,122,.35);
}

.meta-value {
  font-family: var(--font-mono);
  font-size: clamp(10px, 0.9vw, 12px);
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--color-graphite);
}

.meta-value--bronze {
  color: var(--color-bronze);
}

/* ─── HERO ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 var(--gutter);
}

/* Classified side tag: hidden until wide viewports */
.side-tag {
  display: none;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: center center;
  font-family: var(--font-mono);
  font-size: clamp(9px, 0.8vw, 11px);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(122,122,122,.35);
  white-space: nowrap;
  user-select: none;
}

/* ─── BUILD INDICATOR ──────────────────────────────────────── */
.build-indicator {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.8vh, 32px);
  max-width: 100%;
}

.build-indicator-label {
  font-family: var(--font-mono);
  font-size: clamp(10px, 1vw, 14px);
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--color-bronze);
  display: flex;
  align-items: center;
  gap: 14px;
}

.build-indicator-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--color-bronze);
  flex-shrink: 0;
}

.build-title {
  font-family: var(--font-sans);
  font-size: clamp(38px, 11vw, 96px);
  font-weight: 700;
  letter-spacing: -.028em;
  line-height: .96;
  color: var(--color-alabaster);
}

.build-rows {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-slate);
}

.build-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(44,44,44,.55);
  font-family: var(--font-mono);
  font-size: clamp(10px, 0.9vw, 12px);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.build-row-key {
  color: rgba(122,122,122,.32);
  width: clamp(80px, 22vw, 120px);
  flex-shrink: 0;
}

.build-row-dots {
  flex: 1;
  border-bottom: 1px dotted rgba(44,44,44,.65);
  margin-bottom: 1px;
}

.build-row-val {
  color: var(--color-graphite);
}

/* ─── FOOTER / TELEMETRY ────────────────────────────────────── */
.footer {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  background: var(--color-obsidian);
  border-top: 1px solid var(--color-slate);
}

.tele-group {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 32px);
}

/* Metrics + location groups enter at larger breakpoints */
.tele-group--metrics,
.tele-group--loc {
  display: none;
}

.tele-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: clamp(9.5px, 0.85vw, 12px);
  letter-spacing: .09em;
  text-transform: uppercase;
}

/* Node ID hidden on the smallest screens */
.tele-item--node {
  display: none;
}

.tele-label  { color: rgba(122,122,122,.28); }
.tele-val    { color: rgba(122,122,122,.5);  }
.tele-active { color: var(--color-bronze);   }

.status-dot {
  display: block;
  width: clamp(6px, 0.5vw, 8px);
  height: clamp(6px, 0.5vw, 8px);
  border-radius: 50%;
  background: var(--color-bronze);
  flex-shrink: 0;
  will-change: opacity;
  animation: dot-pulse var(--dur-dot) linear infinite;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1;   }
  50%      { opacity: .22; }
}

/* Ruler ticks: wide viewports only */
.tele-ruler {
  display: none;
  align-items: center;
  gap: 2px;
}

.tick {
  display: block;
  width: 1px;
  background: var(--color-slate);
  height: 8px;
}

.tick--major { height: 15px; }

/* ─── COOKIE CONSENT BANNER ─────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-slate);
  border-top: 1px solid var(--color-graphite);
  padding: 24px var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 20px;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-banner__content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cookie-banner__title {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-alabaster);
}

.cookie-banner__text {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-graphite);
  line-height: 1.5;
}

.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cookie-btn {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 20px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.cookie-btn--primary {
  background-color: var(--color-alabaster);
  color: var(--color-obsidian);
  border-color: var(--color-alabaster);
}

.cookie-btn--primary:hover {
  background-color: var(--color-bronze);
  border-color: var(--color-bronze);
  color: var(--color-obsidian);
}

.cookie-btn--secondary {
  background-color: transparent;
  color: var(--color-graphite);
  border-color: var(--color-graphite);
}

.cookie-btn--secondary:hover {
  color: var(--color-alabaster);
  border-color: var(--color-alabaster);
}

/* ─── REDUCED MOTION ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .status-dot {
    animation: none !important;
    opacity: 1;
  }
  /* commit-graph field renders static; pulses are gated in JS */
}

/* ═══════════════════════════════════════════════════════════════
  BREAKPOINTS: progressive enhancement upward
   ═══════════════════════════════════════════════════════════════ */

/* --- >= 560px: node telemetry returns ------------------------ */
@media (min-width: 560px) {
  .tele-item--node { display: flex; }
}

/* --- >= 768px: header meta (build + status), cookie row ------ */
@media (min-width: 768px) {
  .header-meta { display: flex; }
  .meta-field:nth-child(n+3) { display: none; }

  .build-indicator { max-width: clamp(440px, 42vw, 620px); }
  .build-title { font-size: clamp(44px, 6vw, 96px); }
  .build-row-key { width: clamp(88px, 10vw, 120px); }

  .bg-scrim {
    background: linear-gradient(90deg,
      rgba(5,5,5,.78) 0%,
      rgba(5,5,5,.42) 38%,
      rgba(5,5,5,0) 68%);
  }

  .cookie-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 20px var(--gutter);
    gap: 32px;
  }
  .cookie-banner__content { flex: 1; }
  .cookie-banner__text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* --- >= 900px: badge, metrics telemetry ---------------------- */
@media (min-width: 900px) {
  .header-badge { display: block; }
  .tele-group--metrics { display: flex; }
}

/* --- >= 1080px: full chrome: all meta, side tag, taller rows - */
@media (min-width: 1080px) {
  :root {
    --header-h: 64px;
  }
  .meta-field:nth-child(n+3) { display: flex; }
  .header-meta { gap: 36px; }
  .side-tag { display: block; }
  .bg-graph { gap: 5px; padding: 26px var(--gutter); }
}

/* --- >= 1280px: location telemetry, ruler ticks -------------- */
@media (min-width: 1280px) {
  .tele-group--loc { display: flex; }
  .tele-ruler { display: flex; }
}

/* --- >= 1920px: 4K+ large screens ---------------------------- */
@media (min-width: 1920px) {
  .build-title {
    font-size: clamp(80px, 5.5vw, 112px);
  }
  .build-indicator {
    max-width: clamp(560px, 38vw, 720px);
  }
  .header-meta {
    gap: 48px;
  }
  .tele-group {
    gap: 36px;
  }
}