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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #020617;
  color: white;
  line-height: 1.7;
}

.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(2, 6, 23, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
}

.navbar {
  max-width: 1150px;
  margin: auto;
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 22px;
  font-weight: 800;
}

.nav-links a {
  color: #cbd5e1;
  text-decoration: none;
  margin-left: 22px;
  font-size: 14px;
  transition: 0.3s;
}

.nav-links a:hover {
  color: #60a5fa;
}

.hero {
  max-width: 1150px;
  margin: auto;
  min-height: 100vh;
  padding: 155px 20px 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tag {
  color: #60a5fa;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 13px;
  margin-bottom: 14px;
}

.hero h1 {
  max-width: 950px;
  font-size: 58px;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-text {
  max-width: 760px;
  color: #cbd5e1;
  font-size: 18px;
}

.buttons {
  margin-top: 34px;
}

.btn {
  display: inline-block;
  padding: 13px 25px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  margin-right: 12px;
  transition: 0.3s;
}

.primary {
  background: #3b82f6;
  color: white;
}

.primary:hover {
  background: #2563eb;
  transform: translateY(-2px);
}

.secondary {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: white;
}

.secondary:hover {
  background: white;
  color: #020617;
  transform: translateY(-2px);
}

.section {
  max-width: 1150px;
  margin: auto;
  padding: 90px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.section h2 {
  font-size: 40px;
  margin-bottom: 24px;
}

.section p {
  color: #cbd5e1;
  max-width: 850px;
  margin-bottom: 15px;
}

.skill-group {
  margin-bottom: 30px;
}

.skill-group h3 {
  margin-bottom: 14px;
  color: #e2e8f0;
  font-size: 22px;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skills span {
  padding: 11px 17px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #e2e8f0;
  font-size: 14px;
}

.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.card {
  background: rgba(255, 255, 255, 0.055);
  padding: 28px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.085);
}

.card h3 {
  font-size: 25px;
  margin-bottom: 10px;
}

.project-type {
  color: #93c5fd !important;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 15px;
}

.timeline {
  display: grid;
  gap: 20px;
}

.timeline-item {
  background: rgba(255, 255, 255, 0.055);
  padding: 25px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.timeline-item h3 {
  font-size: 23px;
  margin-bottom: 8px;
}

.muted {
  color: #93c5fd !important;
  font-weight: 700;
}

.contact-box {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 28px;
  margin-top: 60px;
  margin-bottom: 60px;
}

.contact-links p {
  margin-bottom: 8px;
}

a {
  color: #60a5fa;
}

a:hover {
  color: #93c5fd;
}

footer {
  text-align: center;
  padding: 28px 20px;
  color: #94a3b8;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 130px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-text {
    font-size: 16px;
  }

  .section h2 {
    font-size: 31px;
  }

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

  .btn {
    margin-bottom: 12px;
  }
}