body {
  margin: 0;
  font-family: 'Poppins', 'Roboto', sans-serif;
  background: #ffffff;
  color: #2b2b2b;
  line-height: 1.6;
}

.highlight { color: #0d47a1; }

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  background: #ffffff;
  border-bottom: 1px solid #e0e0e0;
  z-index: 1000;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: #0d47a1;
  letter-spacing: 2px;
}

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

nav a {
  text-decoration: none;
  color: #2b2b2b;
  font-weight: 500;
  position: relative;
  transition: color 0.2s;
}

nav a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background: #0d47a1;
  transition: width 0.3s;
}

nav a:hover {
  color: #0d47a1;
}

nav a:hover::after {
  width: 100%;
}

.hero {
  text-align: center;
  padding: 14rem 10rem;
  background: #f5f5f5;
  color: #2b2b2b;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.tagline {
  font-size: 1.2rem;
  color: #0d47a1;
}

/* Sections */

.section {
  padding: 4rem 2rem;
  text-align: center;
  background: #ffffff;
  border-radius: 16px;
  margin: 2rem 2rem;
  border: 1px solid #e0e0e0;
}

.section h2 {
  font-family: sans-serif;
  color: #0d47a1;
  margin-bottom: 2rem;
  font-size: 2.5rem;
  position: relative;
}

.section h2::after {
  content: "";
  width: 80px;
  height: 3px;
  background: #505050;
  display: block;
  margin: 0.5rem auto 0;
  border-radius: 4px;
}

/* Card */

.card {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid #e0e0e0;
  box-shadow: 0 8px 20px #00000011;
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: #0d47a1;
  background: #fafafa;
}

/* Skills */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  padding: 1.5rem;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid #e0e0e0;
  transition: all 0.3s ease;
  cursor: pointer;
}

.skill-card:hover {
  transform: scale(1.05);
  border-color: #0d47a1;
  box-shadow: 0 0 15px #00000015;
  background: #f9f9f9;
}

/* Projects */

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.project-card {
  padding: 2rem;
  border-radius: 16px;
  color: #242424;
  background: #fbfbfb;
  border: 1px solid #010101;
  text-align: left;
  transition: all 0.3s;
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-8px);
  color: #ffffff;
  background: #063376;
  box-shadow: 0 0 20px #00000015;
}

/* Contact */
#contact {
  padding: 4rem 2rem;
}

.contact-card {
  max-width: 800px;
  margin: 0 auto;
  padding: 2.5rem;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid #e0e0e0;
  box-shadow: 0 8px 24px #00000011;
  text-align: center;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}

.contact-form input,
.contact-form textarea {
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid #dcdcdc;
  font-size: 1rem;
  font-family: 'Poppins', sans-serif;
  background: #fafafa;
  transition: border 0.3s, box-shadow 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #0d47a1;
  outline: none;
  box-shadow: 0 0 8px #0d47a122;
}

.contact-form button {
  padding: 0.9rem 1.5rem;
  background: #0d47a1;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

.contact-form button:hover {
  background: #ebfaff;
  border: #063376 1px solid;
  color: #0d47a1;
  transform: translateY(-2px);
}

/* Contact Links */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  text-align: left;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1rem;
}

.contact-link-icon {
  font-size: 1.2rem;
  color: #0d47a1;
}

.contact-link a {
  text-decoration: none;
  color: #2b2b2b;
  font-weight: 500;
  transition: color 0.3s;
}

.contact-link a:hover {
  color: #0d47a1;
}


/* Footer */

.site-footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background: #ffffff;
  color: #2b2b2b;
  text-align: center;
  padding: 1.2rem 0 1rem 0;
  font-size: 0.95rem;
  border-top: 1px solid #e0e0e0;
  box-shadow: 0 -2px 8px #00000011;
  z-index: 100;
}