:root {
  --text: #0a0a0a;
  --text-light: #666;
  --text-muted: #999;
  --bg: #ffffff;
  --border: #e5e5e5;
  --accent: #000;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: var(--bg);
  font-family: "Inter", sans-serif;
  color: var(--text);
  padding: 20px;
  position: relative;
}

.container {
  max-width: 680px;
  width: 100%;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.7s ease-out forwards;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
}

.badge svg {
  width: 14px;
  height: 14px;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

h1 {
  font-size: clamp(3.5rem, 6vw, 6rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -3px;
  font-family: "Space Grotesk", sans-serif;
  opacity: 0;
  animation: fadeUpScale 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  position: relative;
}

h1::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--text);
  animation: expandLine 1s ease-out 0.8s forwards;
}

.stack-tag {
  display: inline-block;
  font-size: 14px;
  color: var(--text-light);
  font-family: "Space Grotesk", monospace;
  letter-spacing: 0.5px;
  margin-bottom: 48px;
  opacity: 0;
  animation: fadeUp 1s ease-out 0.6s forwards;
}

.stack-tag::before {
  content: "{ ";
  color: var(--text-muted);
}

.stack-tag::after {
  content: " }";
  color: var(--text-muted);
}

.typing {
  display: inline-block;
  border-right: 2px solid var(--text-light);
  padding-right: 4px;
  white-space: nowrap;
  overflow: hidden;
  width: 0;
  animation: typing 2s steps(21) 1.2s forwards, blink 1s step-end infinite;
}

@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 21ch;
  }
}

@keyframes blink {
  0%,
  100% {
    border-color: var(--text-light);
  }
  50% {
    border-color: transparent;
  }
}

@keyframes fadeUpScale {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.9);
    filter: blur(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes expandLine {
  0% {
    width: 0;
  }
  100% {
    width: 80px;
  }
}

.subtitle {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.9s ease-out 0.2s forwards;
  line-height: 1.6;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 1s ease-out 0.3s forwards;
}

.card {
  padding: 24px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: left;
  transition: all 0.3s ease;
  background: var(--bg);
  cursor: default;
}

.card:hover {
  border-color: var(--text-light);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

.card-icon {
  width: 20px;
  height: 20px;
  color: var(--text);
  margin-bottom: 12px;
}

.card h3 {
  margin: 0 0 4px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.social-links {
  display: flex;
  gap: 32px;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 1s ease-out 0.2s forwards;
}

.social-links button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--text-light);
  transition: 0.2s ease;
}

.social-links button:hover {
  color: var(--text);
  transform: translateY(-3px);
}

.social-links svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.6;
}

footer {
  position: fixed;
  bottom: 20px;
  left: 20px;
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0;
  animation: fadeUp 1s ease-out 1s forwards;
}

@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .cards {
    grid-template-columns: 1fr;
  }

  h1 {
    letter-spacing: -2px;
  }
}