/* ============================================================
   LEDT · Smithsonian Living Earth Digital Twin
   ============================================================ */

:root {
  --bg-0: #05070d;
  --bg-1: #0a0e1a;
  --bg-2: #10172a;
  --bg-3: #141d36;
  --ink: #e7ecf7;
  --ink-dim: #a7b1c4;
  --ink-mute: #6c7691;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  /* Smithsonian-leaning accents */
  --accent: #3ee1c8;      /* bio-teal */
  --accent-2: #7cc7ff;    /* atm-blue */
  --accent-3: #ffb347;    /* sun/methane */
  --accent-4: #ff5e87;    /* tipping-point */
  --accent-ledt: #c794ff; /* LEDT violet */

  --grad-hero: linear-gradient(120deg, #7cc7ff 0%, #3ee1c8 50%, #c794ff 100%);
  --grad-cta: linear-gradient(120deg, #3ee1c8, #7cc7ff);

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-disp: 'Space Grotesk', 'Inter', sans-serif;
  --font-serif: 'Ropa Sans', 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --container: 1240px;
  --radius: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg-0);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(255,255,255,0.06);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  color: var(--accent);
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  background: rgba(5, 7, 13, 0.55);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  gap: 36px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-disp);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-logo {
  display: block;
  width: 56px;
  height: auto;
  aspect-ratio: 583.93 / 492.58;
  fill: #fff;
  transition: fill .4s ease, filter .4s ease;
}
/* Hover (or keyboard focus) the nav brand → the animated brand gradient sweeps in. */
.brand:hover .brand-logo,
.brand:focus-visible .brand-logo {
  fill: url(#ledt-grad);
  filter: drop-shadow(0 0 10px rgba(62, 225, 200, 0.5));
}
.brand-logo.footer-logo {
  width: 28px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
}
.footer-brand:hover .footer-logo {
  fill: url(#ledt-grad);
  filter: drop-shadow(0 0 8px rgba(62, 225, 200, 0.4));
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.nav-links a {
  color: var(--ink-dim);
  font-size: 14px;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--ink); }

.nav-cta {
  margin-left: auto;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  transition: all .2s;
  background: rgba(255,255,255,0.02);
}
.nav-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(62, 225, 200, 0.08);
}

@media (max-width: 900px) {
  .nav-links { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 32px 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
  background: radial-gradient(ellipse at top, #0e1938 0%, #05070d 55%);
}

/* Hero background (plexus Earth) is injected by earth-plexus-bg.js */

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(124,199,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,199,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 960px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 32px;
  background: rgba(255,255,255,0.03);
}
.kicker .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

/* Hero emblem — img + ::after gradient overlay via mix-blend-mode (works with file://) */
.hero-emblem {
  display: block;
  position: relative;
  width: clamp(110px, 14vw, 180px);
  aspect-ratio: 583.93 / 492.58;
  margin: 0 auto 18px;
  isolation: isolate;
  filter: drop-shadow(0 0 24px rgba(62, 225, 200, 0.25));
}
.hero-emblem svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: url(#ledt-grad);
}
@media (prefers-reduced-motion: reduce) {
  #ledt-grad animateTransform { display: none; }
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(14px, 1.8vw, 24px);
  margin-bottom: 28px;
}
.hero-si-logo {
  height: clamp(36px, 5.5vw, 72px);
  width: auto;
  display: block;
}
.hero-living-earth {
  display: block;
  width: clamp(280px, 56vw, 720px);
  aspect-ratio: 859.55 / 201.53;
  background: var(--grad-hero);
  background-size: 200% 100%;
  -webkit-mask: url('assets/living_earth_wordmark.svg') center / contain no-repeat;
          mask: url('assets/living_earth_wordmark.svg') center / contain no-repeat;
  animation: gradShift 8s ease infinite;
}
.hero-digital-twin {
  display: block;
  width: clamp(280px, 56vw, 720px);
  height: auto;
}
.grad {
  background: var(--grad-hero);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 100%;
  animation: gradShift 8s ease infinite;
}
@keyframes gradShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-sub {
  font-size: clamp(17px, 1.5vw, 20px);
  color: var(--ink-dim);
  max-width: 720px;
  margin: 0 auto 40px;
  line-height: 1.6;
}
.hero-sub strong { color: var(--ink); font-weight: 600; }
.hero-sub em { font-style: italic; color: var(--accent); }
.unit {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(124, 199, 255, 0.12);
  color: var(--accent-2);
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 80px;
}
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: all .25s;
  cursor: pointer;
}
.btn-primary {
  background: var(--grad-cta);
  color: #05070d;
  box-shadow: 0 8px 30px rgba(62, 225, 200, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(62, 225, 200, 0.5);
}
.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: rgba(255,255,255,0.02);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.stat {
  padding: 24px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  transition: border-color .2s, transform .2s;
}
.stat:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}
.stat-num {
  font-family: var(--font-disp);
  font-size: 28px;
  font-weight: 700;
  background: var(--grad-hero);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 6px;
}
.stat-lbl {
  font-size: 12px;
  color: var(--ink-mute);
  line-height: 1.4;
}

@media (max-width: 700px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-globe { width: 400px; height: 400px; }
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--ink-mute);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--ink-mute), transparent);
  animation: scrollDot 2.5s ease-in-out infinite;
}
@keyframes scrollDot {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section {
  padding: 140px 0;
  position: relative;
}

/* ===== Workshop banner (earth backdrop) ===== */
.workshop {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 75% 50%, rgba(5,7,13,0) 0%, rgba(5,7,13,0.55) 60%, rgba(5,7,13,0.92) 100%),
    #000 url('assets/earth_backdrop.png') right center / cover no-repeat;
  min-height: clamp(620px, 78vh, 880px);
  display: flex;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.workshop::before {
  /* soft left-side darkening so the wordmarks always have contrast */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5,7,13,0.88) 0%, rgba(5,7,13,0.55) 38%, rgba(5,7,13,0) 60%);
  pointer-events: none;
}
.workshop-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
  padding: clamp(80px, 12vw, 140px) 32px;
}
.workshop-text {
  max-width: 560px;
}
.ws-join {
  display: block;
  width: clamp(200px, 24vw, 300px);
  height: auto;
  margin-bottom: 18px;
  opacity: 0.92;
}
.ws-headline {
  display: block;
  width: clamp(300px, 42vw, 540px);
  height: auto;
  margin-bottom: 30px;
  filter: drop-shadow(0 4px 30px rgba(0,0,0,0.6));
}
.ws-date {
  display: block;
  width: clamp(260px, 34vw, 420px);
  height: auto;
  margin-bottom: 36px;
  opacity: 0.95;
}
.ws-loc {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.ws-loc-sub {
  color: var(--ink-dim);
  margin-bottom: 20px;
}
.ws-deadline {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
  letter-spacing: 0.06em;
  color: var(--accent-4);
  max-width: 520px;
  margin-bottom: 32px;
  text-transform: uppercase;
}
.ws-deadline a {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}
.ws-deadline a:hover { color: var(--ink); }
.ws-cta {
  display: inline-flex;
}
@media (max-width: 900px) {
  .workshop {
    background:
      linear-gradient(180deg, rgba(5,7,13,0.5) 0%, rgba(5,7,13,0.85) 100%),
      #000 url('assets/earth_backdrop.png') center / cover no-repeat;
    min-height: 0;
  }
  .workshop::before { display: none; }
  .workshop-text { max-width: 100%; text-align: center; margin: 0 auto; }
  .ws-join, .ws-headline, .ws-date { margin-left: auto; margin-right: auto; }
  .ws-loc, .ws-deadline { margin-left: auto; margin-right: auto; }
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
}
.h2 {
  font-family: var(--font-disp);
  font-size: clamp(34px, 4.2vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 28px;
  max-width: 960px;
}
.h2 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 600;
}
.strike {
  text-decoration: line-through;
  text-decoration-color: var(--accent-4);
  text-decoration-thickness: 3px;
  color: var(--ink-dim);
}
.lede {
  font-size: 18px;
  color: var(--ink-dim);
  max-width: 780px;
  line-height: 1.65;
  margin-bottom: 56px;
}
.lede strong { color: var(--ink); font-weight: 600; }
.lede em { color: var(--accent); font-style: italic; }

/* ============================================================
   MISSION GRID
   ============================================================ */
.mission {
  background: linear-gradient(to bottom, var(--bg-0) 0%, var(--bg-1) 100%);
  border-top: 1px solid var(--line);
}
.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-hero);
  opacity: 0;
  transition: opacity .3s;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.card:hover::before { opacity: 1; }
.card-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(62, 225, 200, 0.1);
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 20px;
}
.card h3 {
  font-family: var(--font-disp);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.card p {
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .mission-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   OUR IDEA  (the §1→§3 bridge — names LEDT, the animating
   question, and the SAO→LEDT→SERC/STRI asset pipeline)
   ============================================================ */
.idea {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
}
.idea-quote {
  margin: 36px 0;
  padding: 28px 32px;
  border-left: 3px solid var(--accent-ledt);
  background: linear-gradient(90deg, rgba(199,148,255,0.10), rgba(199,148,255,0) 70%);
  border-radius: 4px;
  max-width: 840px;
}
.idea-quote p {
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.4;
  color: var(--ink);
  font-style: italic;
  font-weight: 400;
  margin-bottom: 14px;
}
.idea-quote footer {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.idea-body {
  color: var(--ink-dim);
  font-size: 17px;
  line-height: 1.7;
  max-width: 840px;
  margin-bottom: 24px;
}
.idea-body strong { color: var(--ink); font-weight: 600; }
.idea-body em { color: var(--accent); font-style: italic; }
.idea-coda {
  margin-top: 16px;
  font-family: var(--font-disp);
  font-size: clamp(17px, 1.6vw, 21px);
  color: var(--ink);
  max-width: 840px;
  font-weight: 500;
  letter-spacing: -0.005em;
}

/* ============================================================
   TEMPO MAP
   ============================================================ */
.tempo {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
}
.map-wrap {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 20px;
  margin-top: 20px;
}
#map {
  height: 620px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: #020510;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.map-ctrls {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(10px);
  height: fit-content;
  position: sticky;
  top: 100px;
}
.ctrl-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  display: block;
}
.seg {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(50px, 1fr));
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(0,0,0,0.3);
}
.seg button {
  padding: 8px 10px;
  border: none;
  background: transparent;
  color: var(--ink-dim);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
  border-right: 1px solid var(--line);
}
.seg button:last-child { border-right: none; }
.seg button:hover { color: var(--ink); background: rgba(255,255,255,0.04); }
.seg button.active {
  background: var(--grad-cta);
  color: #05070d;
  font-weight: 600;
}

#date-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(0,0,0,0.3);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  color-scheme: dark;
}
#date-input:focus { outline: none; border-color: var(--accent); }

.latest-btn {
  margin-top: 8px;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(62, 225, 200, 0.06);
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
}
.latest-btn:hover {
  border-color: var(--accent);
  background: rgba(62, 225, 200, 0.12);
}
.ctrl-hint {
  margin-top: 8px;
  font-size: 11px;
  color: var(--ink-mute);
  line-height: 1.45;
  font-style: italic;
}

.slider-label {
  margin-top: 14px !important;
  display: flex !important;
  justify-content: space-between;
  align-items: baseline;
}
.slider-label span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: none;
}

#hour-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent-2) 0%, var(--accent) 50%, var(--accent-3) 100%);
  outline: none;
  cursor: pointer;
}
#hour-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--accent);
  box-shadow: 0 0 10px rgba(62, 225, 200, 0.5);
  cursor: grab;
}
#hour-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--accent);
  box-shadow: 0 0 10px rgba(62, 225, 200, 0.5);
  cursor: grab;
}

.time-badge {
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(62, 225, 200, 0.08);
  border: 1px solid rgba(62, 225, 200, 0.25);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
}

.legend-bar {
  height: 10px;
  border-radius: 5px;
  background: linear-gradient(90deg,
    #140042 0%,
    #3a0086 15%,
    #7a1fa0 35%,
    #c13a8c 55%,
    #ff6e4a 75%,
    #ffd23f 100%);
}
.legend-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-mute);
  margin-top: 6px;
  text-transform: uppercase;
}

.map-caption {
  margin-top: 16px;
  font-size: 13px;
  color: var(--ink-mute);
  font-style: italic;
}

/* Leaflet dark overrides */
.leaflet-container { background: #020510; font-family: var(--font-sans); }
.leaflet-control-attribution {
  background: rgba(0,0,0,0.6) !important;
  color: var(--ink-mute) !important;
  font-size: 10px !important;
}
.leaflet-control-attribution a { color: var(--accent-2) !important; }
.leaflet-control-zoom a {
  background: rgba(10, 14, 26, 0.85) !important;
  color: var(--ink) !important;
  border-color: var(--line-strong) !important;
}
.leaflet-control-zoom a:hover { background: rgba(62, 225, 200, 0.15) !important; }

.site-popup .leaflet-popup-content-wrapper {
  background: rgba(10, 14, 26, 0.95);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
}
.site-popup .leaflet-popup-tip { background: rgba(10, 14, 26, 0.95); }
.site-popup h4 { font-family: var(--font-disp); margin-bottom: 6px; color: var(--accent); }
.site-popup .src { font-family: var(--font-mono); font-size: 11px; color: var(--ink-mute); text-transform: uppercase; letter-spacing: 0.1em; }
.site-popup p { font-size: 13px; color: var(--ink-dim); margin-top: 6px; }

@media (max-width: 900px) {
  .map-wrap { grid-template-columns: 1fr; }
  .map-ctrls { position: static; }
  #map { height: 480px; }
}

/* ============================================================
   ARCHITECTURE DIAGRAM
   ============================================================ */
.arch {
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 100%);
  border-top: 1px solid var(--line);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
/* Heading + diagram float above the flowing plexus canvas (z-index:0)
   injected into `.arch` by arch-plexus-bg.js. */
.arch > .container { position: relative; z-index: 2; }
.arch-diagram {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 16px 0;
}
.arch-row { position: relative; }
.arch-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  align-items: center;
}
.arch-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-align: right;
  padding-right: 16px;
  border-right: 1px solid var(--line);
}
.arch-label.ledt-label {
  color: var(--accent-ledt);
  font-weight: 600;
  font-size: 13px;
}
.arch-cells {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.arch-cell {
  position: relative;
  padding: 20px 22px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: all .25s;
}
.arch-cell:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.arch-cell.atm {
  background: linear-gradient(180deg, rgba(124,199,255,0.08), rgba(124,199,255,0.02));
  border-color: rgba(124,199,255,0.2);
}
.arch-cell.bio {
  background: linear-gradient(180deg, rgba(62,225,200,0.08), rgba(62,225,200,0.02));
  border-color: rgba(62,225,200,0.2);
}
.arch-cell.ledt {
  background: linear-gradient(180deg, rgba(199,148,255,0.14), rgba(199,148,255,0.04));
  border-color: rgba(199,148,255,0.35);
  box-shadow: 0 0 30px rgba(199, 148, 255, 0.1);
}
.cell-title {
  font-family: var(--font-disp);
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.cell-sub {
  font-size: 13px;
  color: var(--ink-dim);
  line-height: 1.5;
}

.pulse {
  position: absolute;
  top: 14px; right: 14px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-ledt);
  box-shadow: 0 0 12px var(--accent-ledt);
  animation: pulse 2s ease-in-out infinite;
}

@media (max-width: 900px) {
  .arch-row { grid-template-columns: 1fr; }
  .arch-label { text-align: left; padding: 0; border: none; border-bottom: 1px solid var(--line); padding-bottom: 8px; }
  .arch-cells { grid-template-columns: 1fr; }
}

/* ============================================================
   FIELD NETWORK
   ============================================================ */
.network {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
}
.net-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.net-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255,255,255,0.02);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.net-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 40px -20px rgba(0,0,0,0.7);
}

/* Photo + lockup overlay --------------------------------------- */
.net-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #05070d;
  isolation: isolate;
}
.net-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* slight saturation boost reads as "alive" without going garish */
  filter: saturate(1.05) contrast(1.02);
  transition: transform 1.2s cubic-bezier(.2,.7,.2,1);
  z-index: 1;
}
.net-card:hover .net-photo { transform: scale(1.045); }

/* Vignette: subtle top-darken + stronger bottom-darken behind the
   lockup. Combining a linear and a radial keeps the photo's focal
   subject (sun, earth limb, canopy) readable while guaranteeing the
   white lockup never lands on a bright spot. */
.net-media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(180deg,
      rgba(5,7,13,0.10) 0%,
      rgba(5,7,13,0.00) 35%,
      rgba(5,7,13,0.55) 78%,
      rgba(5,7,13,0.85) 100%),
    radial-gradient(ellipse 90% 50% at 50% 95%,
      rgba(5,7,13,0.55) 0%,
      rgba(5,7,13,0.00) 70%);
}
.net-lockup {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  width: 78%;
  max-width: 280px;
  height: auto;
  z-index: 3;
  filter: drop-shadow(0 2px 12px rgba(0,0,0,0.7));
  /* match the photo's hover ease — gentle lift, no scale (avoids
     fighting the photo's Ken-Burns) */
  transition: transform .6s cubic-bezier(.2,.7,.2,1);
}
.net-card:hover .net-lockup { transform: translate(-50%, -3px); }

.net-body { padding: 24px; }
.net-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  padding: 3px 10px;
  border: 1px solid rgba(62,225,200,0.3);
  border-radius: 4px;
  margin-bottom: 12px;
  letter-spacing: 0.1em;
}
.net-body h3 {
  font-family: var(--font-disp);
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.net-body p {
  font-size: 14px;
  color: var(--ink-dim);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .net-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   PIPELINE
   ============================================================ */
.pipeline {
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 100%);
  border-top: 1px solid var(--line);
}
.pipeline-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 40px;
  counter-reset: step;
}
.pipeline-steps li {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
  position: relative;
  transition: all .3s;
}
.pipeline-steps li:hover { border-color: var(--accent); transform: translateY(-3px); }
.step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.pipeline-steps h4 {
  font-family: var(--font-disp);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.pipeline-steps p { font-size: 14px; color: var(--ink-dim); line-height: 1.55; }

@media (max-width: 900px) {
  .pipeline-steps { grid-template-columns: 1fr; }
}

/* ============================================================
   TEAM
   ============================================================ */
.team {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.person {
  padding: 22px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
  text-align: center;
  transition: all .2s;
}
.person:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--grad-hero);
  margin: 0 auto 12px;
  opacity: 0.35;
}
.role {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.name {
  font-family: var(--font-disp);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}
.unit-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
}

.partners {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.partners-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 18px;
}
.partners-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.partner {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-dim);
  background: rgba(255,255,255,0.02);
}

@media (max-width: 900px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 48px 0;
  background: var(--bg-0);
  border-top: 1px solid var(--line);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand { margin-bottom: 8px; }
.foot-sub {
  font-size: 13px;
  color: var(--ink-mute);
}
.foot-links {
  display: flex;
  gap: 20px;
  font-size: 13px;
}
.foot-links a { color: var(--ink-dim); transition: color .2s; }
.foot-links a:hover { color: var(--accent); }
.foot-disclaimer {
  margin: 28px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-mute);
  max-width: 760px;
  text-align: center;
}
.foot-disclaimer strong { color: var(--ink-dim); font-weight: 700; }

/* ================= EARTH-2 SECTION ================= */
.earth2 {
  position: relative;
  background:
    radial-gradient(1200px 600px at 85% 10%, rgba(118, 185, 0, 0.10), transparent 60%),
    radial-gradient(900px 500px at 10% 90%, rgba(124, 199, 255, 0.08), transparent 60%),
    var(--bg-0);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.earth2 .h2 .grad {
  background: linear-gradient(120deg, #76b900 0%, #a8ff3e 50%, #7cc7ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.e2-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px;
  margin-top: 32px;
  align-items: start;
}
@media (max-width: 900px) {
  .e2-grid { grid-template-columns: 1fr; gap: 28px; }
}
.e2-left, .e2-right { display: flex; flex-direction: column; gap: 18px; }
.e2-heading {
  font-family: var(--font-disp);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
}
.e2-text {
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
}

/* Code block */
.code {
  background: linear-gradient(180deg, #0b1120 0%, #070b16 100%);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 20px 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: #c9d4e7;
  overflow-x: auto;
  margin: 0;
  box-shadow: 0 10px 30px -20px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.03);
}
.code code { color: inherit; background: none; padding: 0; font-family: inherit; }
.code .kw { color: #c794ff; font-weight: 500; }
.code .cm { color: #6c7691; font-style: italic; }
.code .st { color: #3ee1c8; }
.code .nm { color: #7cc7ff; }

/* Callouts under the code block */
.e2-callouts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 6px;
}
@media (max-width: 640px) {
  .e2-callouts { grid-template-columns: 1fr; }
}
.e2-callout {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 14px 12px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-dim);
}
.e2-callout strong {
  display: block;
  font-family: var(--font-disp);
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

/* 16:9 video embed */
.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: #000;
  box-shadow: 0 20px 60px -30px rgba(0,0,0,0.9);
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-cap {
  font-size: 12px;
  color: var(--ink-mute);
  text-align: right;
  letter-spacing: 0.02em;
}

/* Launch card */
.e2-launch {
  position: relative;
  display: block;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(118, 185, 0, 0.35);
  text-decoration: none;
  color: var(--ink);
  isolation: isolate;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  box-shadow: 0 10px 40px -20px rgba(118, 185, 0, 0.35);
}
.e2-launch:hover {
  transform: translateY(-2px);
  border-color: rgba(168, 255, 62, 0.6);
  box-shadow: 0 20px 60px -20px rgba(118, 185, 0, 0.55);
}
.e2-launch-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(600px 300px at 80% 30%, rgba(118, 185, 0, 0.28), transparent 60%),
    radial-gradient(500px 280px at 10% 90%, rgba(124, 199, 255, 0.22), transparent 60%),
    linear-gradient(135deg, #0a1320 0%, #0e1a14 100%);
}
.e2-launch-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at 80% 50%, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 80% 50%, #000 40%, transparent 80%);
}
.e2-launch-globe {
  position: absolute;
  right: -60px;
  top: 50%;
  width: 220px;
  height: 220px;
  transform: translateY(-50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(168,255,62,0.8), rgba(118,185,0,0.2) 40%, transparent 70%),
    radial-gradient(circle at 60% 60%, rgba(124,199,255,0.6), transparent 55%),
    #0a1320;
  box-shadow: 0 0 80px rgba(118,185,0,0.35), inset -20px -20px 60px rgba(0,0,0,0.6);
  opacity: 0.8;
}
.e2-launch-body {
  position: relative;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 70%;
}
.e2-launch-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #a8ff3e;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #a8ff3e;
  box-shadow: 0 0 0 0 rgba(168, 255, 62, 0.7);
  animation: live-pulse 1.8s ease-out infinite;
}
@keyframes live-pulse {
  0%   { box-shadow: 0 0 0 0   rgba(168, 255, 62, 0.7); }
  70%  { box-shadow: 0 0 0 10px rgba(168, 255, 62, 0); }
  100% { box-shadow: 0 0 0 0   rgba(168, 255, 62, 0); }
}
.e2-launch-title {
  font-family: var(--font-disp);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.2;
}
.e2-launch-sub {
  font-size: 13.5px;
  color: var(--ink-dim);
  line-height: 1.5;
  max-width: 48ch;
}
.e2-launch-cta {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #a8ff3e;
  letter-spacing: 0.04em;
}
@media (max-width: 640px) {
  .e2-launch-body { max-width: 100%; }
  .e2-launch-globe { opacity: 0.35; }
}

/* ============================================================
   INNOVATION LAB
   ============================================================ */
.lab {
  background: var(--bg-1);
  position: relative;
}
.lab-note {
  margin-top: 32px;
  padding: 18px 22px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(62, 225, 200, 0.04);
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.55;
}
.lab-note.lab-deadline {
  border-style: solid;
  border-color: rgba(255, 94, 135, 0.55);
  background: rgba(255, 94, 135, 0.06);
  color: var(--ink);
}
.lab-note.lab-deadline strong { color: var(--accent-4); }
.lab-note.lab-deadline a {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}
.lab-note.lab-deadline a:hover { color: var(--ink); }

/* ============================================================
   EARLY REGISTRATION
   ============================================================ */
.register {
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}
.register::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 60% at 50% 0%, rgba(62, 225, 200, 0.08), transparent 70%);
  pointer-events: none;
}
.register .container { position: relative; z-index: 1; }

.register-form {
  max-width: 640px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
}
.register-form .field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.register-form label {
  font-family: var(--font-disp);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.register-form label .optional {
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-mute);
  font-weight: 400;
}
.register-form .field-hint {
  margin: -2px 0 2px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-mute);
}
.register-form .field-hint em {
  color: var(--ink-dim);
  font-style: italic;
}
.register-form .field-hint a {
  color: var(--accent);
}
.register-form .field-check {
  margin-top: 2px;
}
.register-form .check-label {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}
.register-form .check-label input[type="checkbox"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  padding: 0;
}
.register-form .check-box {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(5, 7, 13, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.register-form .check-box::after {
  content: "";
  width: 11px;
  height: 6px;
  border-left: 2px solid var(--bg-1);
  border-bottom: 2px solid var(--bg-1);
  transform: rotate(-45deg) translateY(-1px);
  opacity: 0;
  transition: opacity .15s;
}
.register-form .check-label input:checked ~ .check-box {
  background: var(--accent);
  border-color: var(--accent);
}
.register-form .check-label input:checked ~ .check-box::after {
  opacity: 1;
}
.register-form .check-label input:focus-visible ~ .check-box {
  box-shadow: 0 0 0 3px rgba(62, 225, 200, 0.15);
  border-color: var(--accent);
}
.register-form .check-text {
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-mute);
}
.register-form .check-text strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-disp);
  font-size: 14px;
  color: var(--ink);
}
.register-form .check-text strong:not(:first-child) {
  display: inline;
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  color: var(--ink-dim);
}
.register-form input,
.register-form textarea {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  background: rgba(5, 7, 13, 0.6);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  width: 100%;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.register-form input::placeholder,
.register-form textarea::placeholder {
  color: var(--ink-mute);
}
.register-form input:focus,
.register-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(5, 7, 13, 0.9);
  box-shadow: 0 0 0 3px rgba(62, 225, 200, 0.15);
}
.register-form textarea {
  resize: vertical;
  min-height: 96px;
  line-height: 1.5;
}
.btn-submit {
  align-self: flex-start;
  margin-top: 4px;
}
.form-note {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.55;
  margin-top: 4px;
}
.form-note strong { color: var(--accent); font-weight: 600; }

@media (max-width: 640px) {
  .register-form { padding: 24px; }
  .btn-submit { align-self: stretch; text-align: center; }
}