:root {
  --bg: #0a0a0a;
  --panel: rgba(255, 255, 255, 0.04);
  --text: #e9e9e7;
  --muted: #b8b8b3;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #ffffff;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --panel: rgba(0, 0, 0, 0.03);
    --text: #0a0a0a;
    --muted: #3b3b3b;
    --line: rgba(0, 0, 0, 0.08);
    --accent: #000000;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
.bg-grid:before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background: linear-gradient(var(--line) 1px, transparent 1px) 0 0/100% 32px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0/32px 100%;
  mask-image: radial-gradient(
    80% 60% at 50% 40%,
    rgba(0, 0, 0, 0.7),
    transparent 70%
  );
  animation: gridMove 20s linear infinite;
}
@keyframes gridMove {
  0% {
    background-position: 0 0, 0 0;
  }
  100% {
    background-position: 0 32px, 32px 0;
  }
}
.nav-container {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  width: calc(100% - 40px);
  max-width: 550px;
}
.nav {
  width: 100%;
  padding: 8px 12px;
  border-radius: 999px;
  backdrop-filter: saturate(180%) blur(20px);
  background: rgba(20, 20, 20, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.4s ease;
}
.nav:hover {
  background: rgba(20, 20, 20, 0.7);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: opacity 0.3s;
}
.brand:hover {
  opacity: 0.8;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 30px var(--accent);
  animation: pulse 2s infinite ease-in-out;
}
@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.4);
  }
}
.nav a {
  color: var(--text);
  text-decoration: none;
  position: relative;
}
.nav a::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.nav a:hover::after {
  width: 100%;
}
.hero {
  min-height: 82vh;
  display: grid;
  place-items: center;
  text-align: center;
}
.hero-inner {
  padding: 80px 20px;
  animation: fadeUp 1.2s ease forwards;
  opacity: 0;
  transform: translateY(20px);
}
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: none;
  }
}
.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  animation: fadeIn 1s ease 0.3s forwards;
  opacity: 0;
}
.title {
  font-size: clamp(36px, 7vw, 84px);
  line-height: 1.05;
  font-weight: 650;
  margin: 16px 0 12px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.subtitle {
  color: var(--muted);
  font-size: clamp(16px, 2.6vw, 20px);
  animation: fadeIn 1s ease 0.6s forwards;
  opacity: 0;
}
@keyframes fadeIn {
  to {
    opacity: 1;
  }
}
.cta {
  margin-top: 28px;
  display: inline-grid;
  place-items: center;
  padding: 14px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), transparent);
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease;
}
.cta:hover {
  transform: translateY(-3px);
  background: var(--panel);
}
section {
  padding: 84px 20px;
  border-top: 1px solid var(--line);
  transition: background 0.4s ease;
}
.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(12, 1fr);
}
.card {
  grid-column: span 12;
  padding: 26px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 18px;
  box-shadow: var(--shadow);
  transition: transform 0.4s ease, border-color 0.3s, box-shadow 0.3s;
}
.card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}
@media (min-width: 720px) {
  .card.span-6 {
    grid-column: span 6;
  }
  .card.span-4 {
    grid-column: span 4;
  }
}
.list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  transition: transform 0.3s ease;
}
.list li:hover {
  transform: translateX(4px);
}
footer {
  padding: 60px 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.tiny {
  font-size: 0.85rem;
}
/* Micro-interactions */
:root {
  --progress: 0%;
}
.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: var(--progress);
  background: var(--accent);
  z-index: 100;
  transition: width 0.15s linear;
}
#aura {
  position: fixed;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
  z-index: 50;
  filter: blur(8px);
  background: radial-gradient(
    circle,
    color-mix(in oklab, var(--accent), transparent 40%),
    transparent 70%
  );
  transition: opacity 0.3s ease;
}

.right{
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav .right a {
  position: relative;
}
.nav .right a.active:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -14px;
  height: 1px;
  background: var(--text);
  opacity: 0.5;
}
.card {
  will-change: transform;
}

.logo{
    filter: invert();
    height: 50px;
}