:root {
  color-scheme: dark;
  --bg: #05060a;
  --text: #f4fbff;
  --muted: #9eb3c4;
  --cyan: #50f4ff;
  --pink: #ff3fd7;
  --amber: #ffd36a;
  --green: #59ffb2;
  --panel: rgba(8, 15, 27, 0.62);
  --line: rgba(130, 238, 255, 0.24);
  --topbar: rgba(4, 6, 12, 0.84);
}

body[data-theme="solar"] {
  --bg: #08060a;
  --text: #fff8ea;
  --muted: #d1bfa7;
  --cyan: #70f6ff;
  --pink: #ff5c9f;
  --amber: #ffcf5c;
  --green: #79ffc7;
  --panel: rgba(25, 14, 18, 0.64);
  --line: rgba(255, 207, 92, 0.28);
  --topbar: rgba(16, 8, 12, 0.86);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 22% 18%, rgba(80, 244, 255, 0.19), transparent 28rem),
    radial-gradient(circle at 84% 24%, rgba(255, 63, 215, 0.17), transparent 26rem),
    linear-gradient(145deg, #05060a 0%, #08101b 45%, #07040d 100%);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
}

#starfield,
.scanlines,
.aurora {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

#starfield {
  z-index: -3;
}

.aurora {
  z-index: -2;
  opacity: 0.78;
  background:
    conic-gradient(from 120deg at 50% 45%, transparent 0 18%, rgba(80, 244, 255, 0.28), transparent 34% 54%, rgba(255, 63, 215, 0.25), transparent 72% 100%),
    linear-gradient(90deg, transparent, rgba(255, 211, 106, 0.08), transparent);
  filter: blur(54px) saturate(1.5);
  animation: drift 14s ease-in-out infinite alternate;
}

.scanlines {
  z-index: 5;
  background: repeating-linear-gradient(180deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 5px);
  mix-blend-mode: overlay;
  opacity: 0.22;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, var(--topbar), rgba(4, 6, 12, 0.2));
}

.brand,
nav a,
footer a {
  color: var(--text);
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font: 700 13px/1 JetBrains Mono, monospace;
  letter-spacing: 0;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 28px rgba(80,244,255,0.9), inset 0 0 14px rgba(80,244,255,0.35);
}

nav {
  display: flex;
  gap: clamp(12px, 3vw, 30px);
}

nav a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text);
  background: rgba(255,255,255,0.055);
  box-shadow: inset 0 0 16px rgba(80,244,255,0.08);
  cursor: pointer;
}

main {
  position: relative;
  z-index: 1;
}

.hero {
  min-height: 92vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: clamp(24px, 5vw, 76px);
  padding: 112px clamp(18px, 6vw, 86px) 56px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font: 700 12px/1.4 JetBrains Mono, monospace;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 900px;
  margin-bottom: 18px;
  font-size: clamp(56px, 12vw, 168px);
  line-height: 0.86;
  letter-spacing: 0;
  text-shadow:
    0 0 18px rgba(80,244,255,0.45),
    0 0 70px rgba(255,63,215,0.34);
}

.hero-lede {
  max-width: 660px;
  color: #c7d8e6;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  background: rgba(255,255,255,0.04);
  box-shadow: inset 0 0 22px rgba(255,255,255,0.04);
  cursor: pointer;
}

.button.primary {
  color: #001014;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  box-shadow: 0 0 36px rgba(80,244,255,0.46);
}

.telemetry-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 10px;
  max-width: 650px;
  margin-top: 28px;
}

.telemetry-strip span {
  min-height: 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255,255,255,0.035);
  font-size: 12px;
}

.telemetry-strip strong {
  color: var(--text);
  font: 800 22px/1.1 JetBrains Mono, monospace;
}

.orbital {
  position: relative;
  width: min(78vw, 560px);
  aspect-ratio: 1;
  justify-self: center;
  border-radius: 50%;
  filter: drop-shadow(0 0 48px rgba(80,244,255,0.24));
}

.core,
.ring,
.satellite,
.readout {
  position: absolute;
}

.core {
  inset: 30%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 35%, #fff, var(--cyan) 18%, rgba(255,63,215,0.65) 48%, transparent 70%),
    linear-gradient(135deg, rgba(255,255,255,0.24), transparent);
  box-shadow: 0 0 80px rgba(80,244,255,0.76), inset 0 0 44px rgba(255,255,255,0.24);
  animation: pulse 3.8s ease-in-out infinite;
}

.ring {
  inset: 8%;
  border: 1px solid rgba(130,238,255,0.46);
  border-radius: 50%;
}

.ring-a {
  animation: spin 12s linear infinite;
}

.ring-b {
  inset: 18%;
  transform: rotateX(64deg) rotateZ(22deg);
  border-color: rgba(255,63,215,0.48);
  animation: spin 9s linear infinite reverse;
}

.ring-c {
  inset: 2%;
  transform: rotateY(62deg) rotateZ(-35deg);
  border-style: dashed;
  border-color: rgba(255,211,106,0.5);
  animation: spin 18s linear infinite;
}

.satellite {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 34px var(--amber);
}

.sat-a {
  top: 12%;
  left: 54%;
}

.sat-b {
  right: 8%;
  bottom: 28%;
  background: var(--pink);
  box-shadow: 0 0 34px var(--pink);
}

.readout {
  padding: 10px 12px;
  border: 1px solid var(--line);
  color: var(--cyan);
  font: 700 12px/1 JetBrains Mono, monospace;
  background: rgba(2, 8, 16, 0.72);
  backdrop-filter: blur(16px);
}

.readout-a {
  left: 2%;
  top: 22%;
}

.readout-b {
  right: 0;
  bottom: 18%;
}

.systems {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  padding: 24px clamp(18px, 6vw, 86px) 88px;
}

.panel {
  min-height: 260px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.1), transparent 34%),
    var(--panel);
  box-shadow: 0 30px 90px rgba(0,0,0,0.36), inset 0 0 34px rgba(80,244,255,0.05);
  backdrop-filter: blur(22px);
}

.panel.wide {
  grid-row: span 2;
  min-height: 538px;
  background:
    linear-gradient(115deg, rgba(80,244,255,0.24), transparent 42%),
    linear-gradient(300deg, rgba(255,63,215,0.22), transparent 36%),
    var(--panel);
}

.panel-index {
  color: var(--amber);
  font: 700 13px/1 JetBrains Mono, monospace;
}

.panel h2,
.signal h2,
.workbench h2,
.drawer-panel h2 {
  max-width: 780px;
  margin: 22px 0 18px;
  font-size: clamp(28px, 5vw, 68px);
  line-height: 0.95;
  letter-spacing: 0;
}

.panel p,
.signal p,
.workbench p {
  max-width: 620px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.workbench {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(20px, 4vw, 58px);
  align-items: stretch;
  padding: 16px clamp(18px, 6vw, 86px) 88px;
}

.work-copy,
.case-card {
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.09), transparent 42%),
    var(--panel);
  backdrop-filter: blur(20px);
}

.work-copy {
  min-height: 420px;
  padding: clamp(24px, 4vw, 42px);
}

.case-switcher {
  display: grid;
  gap: 14px;
}

.case-card {
  min-height: 126px;
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: center;
  gap: 18px;
  padding: 18px;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.case-card.active {
  border-color: rgba(80,244,255,0.72);
  box-shadow: 0 0 42px rgba(80,244,255,0.16), inset 0 0 28px rgba(80,244,255,0.08);
}

.case-card span {
  color: var(--amber);
  font: 800 16px/1 JetBrains Mono, monospace;
}

.case-card strong {
  font-size: clamp(24px, 4vw, 44px);
  line-height: 0.95;
}

.signal {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
  gap: clamp(24px, 5vw, 70px);
  align-items: center;
  padding: 70px clamp(18px, 6vw, 86px) 100px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), transparent),
    repeating-linear-gradient(90deg, rgba(80,244,255,0.08) 0 1px, transparent 1px 78px);
}

.matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  min-height: 360px;
}

.matrix span {
  border: 1px solid rgba(130,238,255,0.25);
  background:
    linear-gradient(180deg, rgba(80,244,255,0.18), rgba(255,63,215,0.08)),
    rgba(255,255,255,0.035);
  box-shadow: inset 0 0 24px rgba(80,244,255,0.11);
  transform: translateY(calc((var(--i) % 4) * 8px));
  animation: bars 2.8s ease-in-out infinite alternate;
  animation-delay: calc(var(--i) * -120ms);
}

.console-feed {
  min-height: 44px;
  display: flex;
  align-items: center;
  max-width: 620px;
  margin-top: 24px;
  padding: 0 14px;
  border-left: 2px solid var(--green);
  color: var(--green);
  background: rgba(0,0,0,0.2);
  font: 700 13px/1.4 JetBrains Mono, monospace;
}

.contact-drawer {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  justify-content: flex-end;
  background: rgba(0,0,0,0.48);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.contact-drawer.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-panel {
  width: min(100%, 520px);
  min-height: 100%;
  padding: 78px clamp(24px, 5vw, 48px);
  border-left: 1px solid var(--line);
  background:
    radial-gradient(circle at 28% 18%, rgba(80,244,255,0.18), transparent 16rem),
    rgba(4, 7, 14, 0.94);
  backdrop-filter: blur(22px);
  transform: translateX(100%);
  transition: transform 220ms ease;
}

.contact-drawer.open .drawer-panel {
  transform: translateX(0);
}

.drawer-panel .close {
  position: absolute;
  top: 22px;
  right: 22px;
}

.drawer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.drawer-grid span {
  color: var(--muted);
}

.drawer-grid strong {
  color: var(--text);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 34px clamp(18px, 6vw, 86px);
  border-top: 1px solid var(--line);
  background: rgba(3, 5, 10, 0.8);
}

footer p {
  margin: 0;
  color: var(--muted);
}

footer a {
  color: var(--cyan);
  font-weight: 800;
}

@keyframes drift {
  from { transform: scale(1) rotate(-5deg); }
  to { transform: scale(1.12) rotate(7deg); }
}

@keyframes spin {
  to { rotate: 360deg; }
}

@keyframes pulse {
  50% { transform: scale(1.04); filter: brightness(1.25); }
}

@keyframes bars {
  to { transform: translateY(calc((var(--i) % 4) * -8px)) scaleY(0.74); filter: hue-rotate(46deg); }
}

@media (max-width: 860px) {
  .topbar {
    align-items: flex-start;
  }

  nav {
    display: none;
  }

  .hero,
  .systems,
  .signal,
  .workbench {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 104px;
  }

  .orbital {
    width: min(88vw, 430px);
  }

  .panel.wide {
    min-height: 360px;
  }

  .matrix {
    grid-template-columns: repeat(3, 1fr);
  }

  .telemetry-strip {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
  }
}