:root {
  --bg: #0a0a0a;
  --text: #888;
  --text-dim: #4a4a4a;
  --accent: #52ff9e;
}

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

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 300;
  font-size: 0.85rem;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}

/* Background grid */
.grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.grid::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: -50%;
  width: 200%;
  height: 70%;
  background-image:
    linear-gradient(rgba(82, 255, 158, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(82, 255, 158, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  transform: perspective(400px) rotateX(55deg);
  transform-origin: bottom center;
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 70%);
  -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 70%);
}

.grid::after {
  content: '';
  position: absolute;
  bottom: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 2px;
  background: radial-gradient(ellipse, rgba(82, 255, 158, 0.1) 0%, transparent 70%);
  filter: blur(8px);
}

/* Container */
.container {
  position: relative;
  z-index: 1;
  text-align: center;
  animation: fade 1s ease;
}

@keyframes fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Title */
h1 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 400;
  color: #ccc;
  margin-bottom: 0.8rem;
}

.dot {
  color: var(--accent);
  animation: blink 2.4s ease-in-out infinite;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.2;
  }
}

/* Email */
.contact {
  color: var(--text-dim);
  font-size: 0.75rem;
  margin-bottom: 1.2rem;
  letter-spacing: 0.02em;
}

.contact a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.3s;
}

.contact a:hover {
  color: var(--accent);
}

/* Icon tray */
.icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  padding: 0.45rem 1rem;
  border: 1px solid #161616;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.015);
}

.icon-link {
  position: relative;
  color: var(--text-dim);
  transition: color 0.3s;
  display: flex;
  align-items: center;
  cursor: pointer;
  text-decoration: none;
  padding: 0.3rem;
}

.icon-link:hover {
  color: var(--accent);
}

/* Tooltips */
.icon-link::before {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.6rem;
  color: #aaa;
  background: #161616;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid #1e1e1e;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
  letter-spacing: 0.03em;
}

.icon-link:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.icon-link svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Lambda / mesh hold button */
.lambda-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lambda-wrap::before {
  content: 'mesh';
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.6rem;
  color: #aaa;
  background: #161616;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid #1e1e1e;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
  letter-spacing: 0.03em;
}

.lambda-wrap:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.lambda-btn {
  position: relative;
  z-index: 2;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 400;
  cursor: pointer;
  transition: color 0.3s;
  line-height: 1;
  padding: 4px 2px;
}

.lambda-btn:hover {
  color: var(--text);
}

.lambda-btn.active {
  color: var(--accent);
}

/* Glow ring */
.lambda-glow {
  position: absolute;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  pointer-events: none;
  z-index: 1;
  transition: box-shadow 0.15s ease;
}

.lambda-glow.charging {
  border-color: var(--accent);
  animation: chargeRing 1.5s linear forwards;
}

@keyframes chargeRing {
  0% {
    box-shadow:
      0 0 0px rgba(82, 255, 158, 0),
      0 0 0px rgba(82, 255, 158, 0);
    opacity: 0.4;
  }
  80% {
    box-shadow:
      0 0 8px rgba(82, 255, 158, 0.3),
      0 0 20px rgba(82, 255, 158, 0.1);
    opacity: 0.9;
  }
  100% {
    box-shadow:
      0 0 14px rgba(82, 255, 158, 0.6),
      0 0 35px rgba(82, 255, 158, 0.2);
    opacity: 1;
  }
}

/* SVG ring progress */
.lambda-ring {
  position: absolute;
  width: 34px;
  height: 34px;
  pointer-events: none;
  z-index: 1;
  transform: rotate(-90deg);
}

.lambda-ring circle {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 94;
  stroke-dashoffset: 94;
  stroke-linecap: round;
  opacity: 0;
}

.lambda-ring circle.charging {
  opacity: 1;
  animation: drawRing 1.5s linear forwards;
}

@keyframes drawRing {
  0% {
    stroke-dashoffset: 94;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

/* Labs overlay */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.35s ease,
    visibility 0.35s ease;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

.overlay-content {
  text-align: center;
  max-width: 420px;
  padding: 2rem;
  transform: translateY(10px);
  transition: transform 0.35s ease;
}

.overlay.active .overlay-content {
  transform: translateY(0);
}

.overlay-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.3s;
  background: none;
  border: none;
  display: flex;
}

.overlay-close:hover {
  color: var(--accent);
}

.overlay-close svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.labs-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.4rem;
  font-weight: 400;
  color: #ccc;
  margin-bottom: 0.3rem;
}

.labs-title span {
  color: var(--accent);
}

.labs-sub {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
}

.labs-desc {
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.7;
  margin-bottom: 1.8rem;
}

.labs-services {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.labs-service {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  padding: 0.35rem 0.7rem;
  border: 1px solid #1a1a1a;
  border-radius: 3px;
}

.labs-contact {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.labs-contact a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s;
}

.labs-contact a:hover {
  color: var(--accent);
}

/* Noscript fallback */
.noscript-email {
  display: none;
}