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

:root {
  --primary-color: #008b8b; /* dark cyan */
  --secondary-color: #005f5e; /* darker cyan */
  --text-color: #374151; /* slate/grey */
  --transition: 0.3s ease;
  --white: #ffffff;
  --light-bg: #f3f4f6;
  --border-color: #e5e5e5;
}
html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--white);
  line-height: 1.6;
  color: var(--text-color);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* NAVIGATION */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: white;
  box-shadow: 0 3px 5px;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--secondary-color);
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  transition: var(--transition);
}

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

/* HERO SECTION */
.hero {
  margin-top: 70px;
  height: calc(100vh -70px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: var(--white);
  text-align: center;
  padding: 2rem;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease;
}

.hero-content p {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.5;
  animation: fadeInUp 1s ease 0.2 both;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.4 both;
}

.btn {
  padding: 0.75rem 2rem;
  font-size: 1rem;
  border: 2px solid;
  border-radius: 5px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  display: inline-block;
  font-weight: 600;
}

/* Hero button filled  */
.btn-primary {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-3px);
  background: var(--white);
  color: var(--primary-color);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-secondary:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-3px);
}

.btn:hover {
  opacity: 0.85;
}

/* PROJECTS Section */
.projects {
  padding: 5rem;
  background: var(--light-bg);
}

.projects h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
}

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

.project-card {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 7.5px;
  transition:
    transform var(--transition),
    box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

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

.project-image {
  height: 200px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: bold;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card h3 {
  font-size: 1.5rem;
  margin: 1.5rem 1.5rem 0.5rem;
}

.project-tags {
  padding: 1rem 1.5rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.project-card p {
  padding: 0 1.5rem;
  color: #6b7280;
  font-size: 1rem;
}

.project-tags span {
  background: white;
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.project-link {
  padding: 0 1.5rem 1.5rem;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}

.project-link:hover {
  color: var(--secondary-color);
}

/* ABOUT SECTION */

.about {
  padding: 5rem 0;
  background: var(--white);
}

.about h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1rem;
  color: #6b7280;
  font-size: 1.05rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.stat {
  text-align: center;
  padding: 1rem;
  background: var(--light-bg);
  border-radius: 10px;
}

.stat h3 {
  font-size: 1.25rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat p {
  margin: 0;
  color: #6b7280;
}

/* SKILLS  SECTION */
.skills {
  padding: 5rem 0;
  background: var(--light-bg);
}

.skills h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
}

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

.skill-item {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  border-left: 4px solid var(--primary-color);
  box-shadow: 0 3px 5px;
  transition: transform var(--transition);
}

.skill-item:hover {
  transform: translateX(5px);
}

.skill-item p {
  color: #6b7280;
}

/* CONTACT SECTION */
.contact {
  padding: 5rem 0;
  background: var(--white);
  text-align: center;
}

.contact h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.contact-subtitle {
  color: #6b7280;
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.contact-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  /* box-sizing: border-box; */
}
/* .contact-methods input {
  width: 100%;
  box-sizing: border-box;
} */

.contact-card {
  background: var(--light-bg);
  padding: 2rem;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text-color);
  transition: all var(--transition);
  border: 2px solid transparent;
}

.contact-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
}

.contact-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0;
  color: var(--primary-color);
}

.contact-card p {
  color: #6b7280;
}

/* FOOTER */

.footer {
  background: var(--text-color);
  color: var(--white);
  text-align: center;
  padding: 2rem 0;
  margin-top: 3rem;
}

/* ANIMATIONS */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE DESIGN */

@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
    font-size: 0.9rem;
  }
  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1.2rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    max-width: 300px;
  }

  .projects h2,
  .about h2,
  .skills h2,
  .contact h2 {
    font-size: 2rem;
  }

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

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

  .project-grid,
  .skills-grid,
  .contact-methods {
    grid-template-columns: 1fr 1fr;
  }
}
/* Smaller devices */
@media (max-width: 480px) {
  .navbar .container {
    padding: 0.75rem 15px;
  }

  .logo {
    font-size: 1.2rem;
  }

  .nav-links {
    gap: 0.5rem;
    font-size: 0.8rem;
  }

  .hero {
    margin-top: 60px;
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .hero-content p {
    font-size: 1rem;
  }
}