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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #0f172a;
  color: #e5e7eb;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.navbar {
  width: 100%;
  padding: 22px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
}

.navbar nav {
  display: flex;
  gap: 24px;
}

.navbar nav a {
  color: #cbd5e1;
  font-size: 15px;
  transition: 0.3s;
}

.navbar nav a:hover {
  color: #38bdf8;
}

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 80px 8%;
}

.hero-content {
  max-width: 850px;
}

.tag {
  color: #38bdf8;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

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

.hero h1 span {
  color: #38bdf8;
}

.description {
  max-width: 720px;
  font-size: 18px;
  color: #cbd5e1;
  margin-bottom: 32px;
}

.buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 13px 22px;
  border-radius: 10px;
  font-weight: 600;
  transition: 0.3s;
}

.btn.primary {
  background: #38bdf8;
  color: #0f172a;
}

.btn.primary:hover {
  background: #0ea5e9;
}

.btn.secondary {
  border: 1px solid #38bdf8;
  color: #38bdf8;
}

.btn.secondary:hover {
  background: rgba(56, 189, 248, 0.1);
}

.section {
  padding: 80px 8%;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
}

.section h2 {
  font-size: 34px;
  margin-bottom: 24px;
  color: #ffffff;
}

.section p {
  color: #cbd5e1;
  max-width: 900px;
  margin-bottom: 16px;
}

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

.skills-grid span {
  background: #1e293b;
  color: #e2e8f0;
  border: 1px solid rgba(148, 163, 184, 0.2);
  padding: 10px 15px;
  border-radius: 999px;
  font-size: 14px;
}

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

.project-card,
.experience-card {
  background: #111827;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 16px;
  padding: 24px;
  transition: 0.3s;
}

.project-card:hover,
.experience-card:hover {
  transform: translateY(-5px);
  border-color: #38bdf8;
}

.project-card h3,
.experience-card h3 {
  color: #ffffff;
  font-size: 22px;
  margin-bottom: 12px;
}

.company {
  color: #38bdf8 !important;
  font-weight: 600;
}

.tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.tech span {
  font-size: 13px;
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.12);
  padding: 6px 10px;
  border-radius: 999px;
}

.project-card a {
  color: #38bdf8;
  font-weight: 600;
}

.contact-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.contact-links a {
  background: #1e293b;
  border: 1px solid rgba(148, 163, 184, 0.2);
  color: #e5e7eb;
  padding: 12px 18px;
  border-radius: 10px;
  transition: 0.3s;
}

.contact-links a:hover {
  border-color: #38bdf8;
  color: #38bdf8;
}

footer {
  padding: 28px 8%;
  text-align: center;
  color: #94a3b8;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
}

@media (max-width: 900px) {
  .navbar {
    flex-direction: column;
    gap: 16px;
  }

  .navbar nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero h1 {
    font-size: 42px;
  }

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

@media (max-width: 600px) {
  .hero {
    padding-top: 60px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .description {
    font-size: 16px;
  }

  .section {
    padding: 60px 6%;
  }
}