* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Inter, system-ui, Arial;
}

body {
  background: #0f1115;
  color: #e6edf3;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  padding: 14px 18px;
  border-radius: 18px;
  background: linear-gradient(145deg, #151821, #0d0f14);
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.logo {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.4px;
  background: linear-gradient(90deg, #9da7ff, #6ee7ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: #9da7b3;
  text-decoration: none;
  transition: 0.2s;
  padding: 8px 12px;
  border-radius: 10px;
}

.nav-links a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
}

.hero h1 {
  font-size: 48px;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero p {
  color: #9da7b3;
  margin-bottom: 24px;
}

.about-hero {
  display: block;
  margin-bottom: 36px;
}

.btn {
  background: #3b82f6;
  padding: 12px 20px;
  border-radius: 10px;
  color: #fff;
  text-decoration: none;
  display: inline-block;
}

.island {
  background: linear-gradient(145deg, #151821, #0d0f14);
  border-radius: 20px;
  padding: 24px;
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

ul {
  list-style: none;
  margin-top: 12px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  padding: 20px;
  border-radius: 16px;
  background: linear-gradient(145deg, #151821, #0d0f14);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.card h3 {
  margin-bottom: 10px;
}

.card p {
  color: #9da7b3;
  font-size: 14px;
}

.timeline {
  position: relative;
  display: grid;
  gap: 28px;
  margin: 0 auto;
  max-width: 900px;
  padding: 8px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(180deg, #6ee7ff, #3b82f6, rgba(157, 167, 179, 0.2));
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 120px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 50%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #6ee7ff;
  border: 4px solid #151821;
  box-shadow: 0 0 0 4px rgba(110, 231, 255, 0.16);
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-content {
  width: calc(100% - 42px);
  padding: 20px;
  border-radius: 16px;
  background: linear-gradient(145deg, #151821, #0d0f14);
  box-shadow:
    0 6px 20px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.timeline-content h3 {
  margin-bottom: 10px;
}

.timeline-content p {
  color: #9da7b3;
  font-size: 14px;
}

.timeline-date {
  display: inline-block;
  margin-bottom: 10px;
  color: #6ee7ff;
  font-size: 13px;
  font-weight: 700;
}

.timeline-item:nth-child(odd) .timeline-content {
  grid-column: 1;
  justify-self: start;
  text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
  grid-column: 2;
  justify-self: end;
}

.jump-bottom {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 10;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(145deg, #3b82f6, #6ee7ff);
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.35),
    0 0 0 6px rgba(110, 231, 255, 0.08);
  transition: 0.2s;
}

.jump-bottom:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow:
    0 14px 34px rgba(0, 0, 0, 0.42),
    0 0 0 6px rgba(110, 231, 255, 0.14);
}

.footer {
  margin-top: 80px;
  text-align: center;
  color: #6b7280;
  font-size: 14px;
}

.glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(59, 130, 246, 0.25),
    transparent 60%
  );
  filter: blur(60px);
  z-index: -1;
}

.glow1 {
  top: -100px;
  left: -100px;
}

.glow2 {
  bottom: -100px;
  right: -100px;
}

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

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

  .timeline {
    max-width: 100%;
    padding-left: 28px;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .timeline-item::before {
    left: 8px;
  }

  .timeline-content,
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    width: 100%;
    justify-self: stretch;
    text-align: left;
  }

  .jump-bottom {
    right: 16px;
    bottom: 16px;
    width: 46px;
    height: 46px;
    font-size: 22px;
  }
}

a {
  color: #9da7b3;
  text-decoration: underline;
  transition: 0.2s;
}

a:hover {
  color: #fff;
}