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

:root {
  --color-primary: #1a1a1a;
  --color-secondary:rgb(7, 10, 16);
  --color-accent: #2563eb;
  --color-light: #f8f9fa;
  --color-border: #e0e0e0;

  --font-serif: "Georgia", serif;
  --font-sans: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-primary);
  background-color: #ffffff;
  line-height: 1.6;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-secondary);
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--color-accent);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.hero {
  margin-top: 80px;
  padding: 8rem 5% 6rem;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  display: flex;
  align-items: center;
  min-height: calc(100vh - 80px);
}

.hero-content {
  max-width: 700px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.hero p {
  font-size: 1.2rem;
  color: var(--color-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.85rem 2rem;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  font-weight: 500;
}

.btn-primary {
  background-color: var(--color-accent);
  color: white;
}

.btn-primary:hover {
  background-color: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

section {
  padding: 6rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
  margin-bottom: 3rem;
  color: var(--color-primary);
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
}

#about {
  background-color: var(--color-light);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--color-secondary);
  line-height: 1.8;
  font-size: 1.05rem;
}

.about-stats {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
}

.stat {
  flex: 1;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat-label {
  color: var(--color-secondary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

#skills {
  background-color: #ffffff;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.skill-card {
  padding: 2rem;
  background-color: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.skill-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  border-color: var(--color-accent);
}

.skill-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.skill-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.skill-card p {
  color: var(--color-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

#projects {
  background-color: var(--color-light);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
  transition: transform 0.3s ease;
}

.project-card:hover .project-image {
  transform: scale(1.05);
}

.project-info {
  padding: 2rem;
}

.project-info h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.project-info p {
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tag {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  background-color: var(--color-light);
  color: var(--color-accent);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.project-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.project-link:hover {
  color: #1d4ed8;
}

#contact {
  background-color: #ffffff;
}

.contact-content {
  max-width: 600px;
}

.contact-text {
  color: var(--color-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.social-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.social-link:hover {
  color: var(--color-accent);
}
footer {
  background-color: var(--color-primary);
  color: white;
  padding: 2rem 5%;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer p {
  margin: 0;
  opacity: 0.8;
}
@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .hero {
    padding: 6rem 5% 4rem;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .section-title {
    font-size: 2rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-stats {
    gap: 1.5rem;
  }

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

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

  section {
    padding: 4rem 5%;
  }
}

@media (max-width: 480px) {
  nav {
    padding: 1rem 5%;
  }

  .nav-links {
    gap: 0.8rem;
  }

  .logo {
    font-size: 1.2rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .stat {
    flex: 1;
  }

  .about-stats {
    gap: 1rem;
  }

  .social-links {
    gap: 1rem;
  }
}