@import url("tokens.css");

/* Inner-page shell. Landing does not load this file. */

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body.page {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.page :focus-visible {
  outline: var(--focus);
  outline-offset: 3px;
}

.noise,
.grid-layer,
.scanline,
.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.noise {
  z-index: 50;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: overlay;
}

.grid-layer {
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 40% at 50% 0%, rgba(61, 224, 255, 0.05), transparent 55%),
    linear-gradient(rgba(141, 163, 184, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(141, 163, 184, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
}

.scanline {
  z-index: 40;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(61, 224, 255, 0.03) 50%,
    transparent 100%
  );
  background-size: 100% 220%;
  animation: scan-drift 14s linear infinite;
  opacity: 0.4;
}

.ambient {
  z-index: 0;
}

.ambient__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.22;
}

.ambient__orb--a {
  width: 22rem;
  height: 22rem;
  top: -4rem;
  right: 8%;
  background: radial-gradient(circle, rgba(61, 224, 255, 0.2), transparent 70%);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.55rem 0.9rem;
  background: var(--surface);
  color: var(--energy-bright);
  border: 1px solid var(--border);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 1rem;
}

.shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem clamp(1rem, 3vw, 2rem) 1.5rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  flex-wrap: wrap;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.mark {
  margin: 0;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.5vw, 0.8rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: inherit;
}

.mark__brand {
  color: var(--text);
  font-weight: 600;
}

.mark__sep {
  color: var(--energy);
  opacity: 0.7;
}

.mark__lab {
  color: var(--muted);
  font-weight: 400;
}

.mark:hover .mark__brand,
.mark:focus-visible .mark__brand {
  color: var(--energy-bright);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.1rem;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
}

.site-nav a:hover {
  color: var(--energy);
}

.site-nav a[aria-current="page"] {
  color: var(--energy-bright);
}

.status-pill {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
}

.status-pill__dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--energy);
  box-shadow: var(--glow);
  animation: status-blink 2.8s ease-in-out infinite;
}

.page-main {
  flex: 1;
  padding: clamp(1.5rem, 4vh, 2.75rem) 0 2rem;
}

.page-intro {
  max-width: var(--prose);
  margin-bottom: 2rem;
}

.kicker {
  margin: 0 0 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--energy);
}

.page-intro h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.55rem, 3.4vw, 2.2rem);
  font-weight: 650;
  letter-spacing: 0.06em;
  line-height: 1.15;
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.prose {
  max-width: var(--prose);
}

.prose p {
  margin: 0 0 1.1rem;
  color: var(--text);
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose a {
  color: var(--energy);
  text-decoration: none;
}

.prose a:hover {
  color: var(--energy-bright);
}

.interest-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.interest-list li {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.4rem 0.65rem;
}

.contact-note {
  max-width: var(--prose);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.25rem 1.35rem;
}

.contact-note p {
  margin: 0 0 0.85rem;
}

.contact-note p:last-child {
  margin-bottom: 0;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16.5rem, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.1rem 1.15rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  min-height: 100%;
}

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.project-card__status {
  color: var(--energy);
}

.project-card h2 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  line-height: 1.25;
}

.project-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.project-card__phase,
.project-card__version {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(141, 163, 184, 0.85);
}

.tech-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tech-list li {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.22rem 0.45rem;
}

.progress {
  display: block;
  width: 100%;
  height: 0.35rem;
  background: rgba(141, 163, 184, 0.12);
  border-radius: 999px;
  overflow: hidden;
}

.progress__fill {
  display: block;
  height: 100%;
  background: var(--energy);
  box-shadow: var(--glow);
  max-width: 100%;
}

.project-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
}

.project-card__links a {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--energy);
  text-decoration: none;
}

.project-card__links a:hover {
  color: var(--energy-bright);
}

.banner {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1rem 1.15rem;
  color: var(--muted);
}

.banner--error {
  border-color: rgba(196, 69, 69, 0.45);
}

.banner[hidden],
.project-grid[hidden] {
  display: none;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
}

.site-footer__nav a {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(141, 163, 184, 0.55);
}

.site-footer__nav a:hover,
.site-footer__nav a[aria-current="page"] {
  color: var(--energy);
}

.domain {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  color: rgba(141, 163, 184, 0.5);
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Live Engineering / control room
   -------------------------------------------------------------------------- */

.mode-pill {
  margin: 1.15rem 0 0;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.45rem 0.7rem;
}

.mode-pill[data-mode="current"] {
  color: var(--energy);
}

.mode-pill[data-mode="delayed"] {
  color: var(--gold);
}

.mode-pill[data-mode="stale"],
.mode-pill[data-mode="unavailable"] {
  color: var(--muted);
}

.mode-pill__kicker {
  color: var(--muted);
}

.room-section {
  margin: 0 0 2.25rem;
}

.room-section h2 {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-weight: 600;
}

.section-note {
  margin: 0 0 0.85rem;
  max-width: 40rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.panel-status {
  margin: 0;
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.metric-card {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.85rem 0.9rem;
  min-width: 0;
}

.metric-card__label {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.metric-card__value {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

.motion-list,
.system-list,
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.motion-row {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.95rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.motion-row__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
}

.motion-row h3 {
  margin: 0;
  font-size: 1.02rem;
  letter-spacing: 0.03em;
}

.motion-row__meta,
.motion-row__phase {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.motion-row__status {
  color: var(--energy);
}

.motion-row__summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline__item {
  border-left: 1px solid var(--border);
  padding: 0.15rem 0 0.35rem 1rem;
}

.timeline__time,
.timeline__project {
  margin: 0 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.timeline__heading {
  margin: 0 0 0.25rem;
  font-size: 0.98rem;
}

.timeline__type {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--energy);
}

.timeline__summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.system-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.75rem 0.9rem;
}

.system-row__name {
  font-size: 0.95rem;
}

.system-row__state {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--energy);
}

.room-updated {
  margin: 0.5rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(141, 163, 184, 0.6);
}

.metric-grid[hidden],
.motion-list[hidden],
.timeline[hidden],
.system-list[hidden],
.panel-status[hidden] {
  display: none;
}

@keyframes scan-drift {
  0% { background-position: 0% 0%; }
  100% { background-position: 0% 100%; }
}

@keyframes status-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .scanline,
  .status-pill__dot {
    animation: none !important;
  }

  .scanline {
    opacity: 0.2;
    background-position: 0 40%;
  }
}

@media (max-width: 1100px) {
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .mark {
    letter-spacing: 0.12em;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   DCP case study
   -------------------------------------------------------------------------- */

.case-section {
  margin: 0 0 2.35rem;
}

.case-section h2 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-weight: 600;
}

.case-copy {
  margin: 0.85rem 0 0;
  max-width: var(--prose);
  color: var(--muted);
}

.arch {
  margin: 1rem 0 0;
  padding: 0;
  border: none;
}

.arch__caption {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.arch-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  max-width: 28rem;
}

.arch-flow > li {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.8rem 0.95rem;
}

.arch-flow > li:not(:last-child) {
  margin-bottom: 1.15rem;
  position: relative;
}

.arch-flow > li:not(:last-child)::after {
  content: "↓";
  position: absolute;
  left: 50%;
  bottom: -1.05rem;
  transform: translateX(-50%);
  color: var(--energy);
  font-size: 0.85rem;
  pointer-events: none;
}

.arch-flow__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.arch-flow__hint {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.role-list,
.principle-list {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.role-card,
.principle-list li {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.85rem 0.95rem;
}

.role-card__head {
  margin: 0 0 0.4rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 0.75rem;
}

.role-card__name,
.principle-list__name {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.role-card__status {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--energy);
}

.role-card__summary,
.principle-list__text {
  display: block;
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.principle-list__name {
  color: var(--text);
}

.boundary-box {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.1rem 1.2rem;
  max-width: var(--prose);
}

.boundary-box p {
  margin: 0 0 0.85rem;
}

.boundary-box p:last-child {
  margin-bottom: 0;
}

.explore-links {
  margin: 0;
  color: var(--muted);
}

.explore-links a {
  color: var(--energy);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.explore-links a:hover {
  color: var(--energy-bright);
}

.role-list[hidden],
.tech-list[hidden],
.case-copy[hidden],
.explore-links[hidden],
#panel-progress[hidden] {
  display: none;
}

@media (max-width: 720px) {
  .role-list,
  .principle-list {
    grid-template-columns: 1fr;
  }

  .arch-flow {
    max-width: none;
  }
}