* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}
html {
  scroll-behavior: smooth;
}

body {
  background: linear-gradient(135deg, #0f172a, #020617);
  color: #e5e7eb;
}

/* Headings */
h1 {
  text-align: center;
  font-size: 42px;
  margin-top: 70px;
  color: #f8fafc;
}

h2 {
  text-align: center;
  font-size: 32px;
  margin-bottom: 30px;
  color: #e0e7ff;
}

/* Text */
p {
  text-align: left;
  color: #c7d2fe;
  font-size: 16px;
}

/* Button */
button {
  display: inline-block;
  margin: 30px 0;
  padding: 12px 30px;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 30px;
  font-size: 16px;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: #1d4ed8;
}

/* Sections */
section {
  max-width: 1100px;
  margin: 120px auto;
  padding: 60px;
  background: rgba(2, 6, 23, 0.95);
  border-radius: 22px;
  border: 1px solid rgba(148,163,184,0.1);
  box-shadow: 0 25px 60px rgba(0,0,0,0.55);
}


/* Skills */
.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-start;
}

.skills span {
  background: #1e293b;
  color: #93c5fd;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
}


/* PROJECTS */
.project {
  margin-top: 25px;
}

.project h3 {
  color: #f8fafc;
}

.project a {
  display: inline-block;
  margin-top: 10px;
  color: #60a5fa;
  text-decoration: none;
}

.project a:hover {
  text-decoration: underline;
}

/* CONTACT */
#contact {
  text-align: center;
  background: #020617;
}

#contact a {
  color: #93c5fd;
  text-decoration: none;
}
/* TIMELINE */
.timeline {
  position: relative;
  margin-top: 40px;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 4px;
  background: linear-gradient(#2563eb, #60a5fa);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
}

/* Timeline Items */
.timeline-item {
  padding: 20px 40px;
  position: relative;
  width: 50%;
}

.timeline-item.left {
  left: 0;
}

.timeline-item.right {
  left: 50%;
}

/* Circle */
.timeline-item::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  background: #2563eb;
  border-radius: 50%;
  top: 30px;
  right: -9px;
  z-index: 1;
}

.timeline-item.right::before {
  left: -9px;
}

/* Box */
.timeline-item .content {
  background: #020617;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  animation: fadeUp 0.8s ease forwards;
}

/* Animation */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.hero {
  text-align: center;
  padding: 180px 20px 80px;
}
.hero h1 {
  font-size: 48px;
}

.hero p {
  margin-top: 12px;
  font-size: 18px;
  color: #94a3b8;
}
.timeline-item .content {
  border: 1px solid rgba(96,165,250,0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-item .content:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(37,99,235,0.25);
}
.project {
  background: #020617;
  border: 1px solid rgba(96,165,250,0.15);
  padding: 25px;
  border-radius: 16px;
  margin-top: 25px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(37,99,235,0.25);
}
@media (max-width: 768px) {

  h1 {
    font-size: 34px;
  }

  section {
    width: 90%;
    padding: 30px;
  }

  /* Timeline mobile fix */
  .timeline::after {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 60px;
    padding-right: 20px;
  }

  .timeline-item.left,
  .timeline-item.right {
    left: 0;
  }

  .timeline-item::before {
    left: 12px;
  }
}
/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 18px 60px;
  background: rgba(2,6,23,0.85);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

.logo {
  color: #60a5fa;
  font-size: 22px;
  font-weight: 600;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 30px;
}

.nav-links a {
  color: #e5e7eb;
  text-decoration: none;
  font-size: 15px;
  transition: 0.3s;
}

.nav-links a:hover {
  color: #60a5fa;
}
/* CONTACT FORM */
.contact-form {
  max-width: 500px;
  margin: auto;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-bottom: 15px;
  padding: 12px;
  border-radius: 8px;
  border: none;
  background: #020617;
  color: #e5e7eb;
  border: 1px solid rgba(96,165,250,0.2);
}

.contact-form button {
  width: 100%;
  border-radius: 8px;
}

.contact-info {
  margin-top: 25px;
  text-align: center;
  color: #c7d2fe;
}
 
.nav-links a.active {
  color: #60a5fa;
  font-weight: 600;
}

/* EDUCATION */
.edu-card {
  background: #020617;
  border: 1px solid rgba(96,165,250,0.15);
  padding: 22px;
  border-radius: 16px;
  margin-top: 20px;
}

.edu-card h3 {
  color: #f8fafc;
}

.edu-card p {
  text-align: left;
  color: #c7d2fe;
  margin-top: 5px;
}
/* CERTIFICATIONS */
.cert-card {
  background: #020617;
  border-left: 4px solid #2563eb;
  padding: 20px;
  border-radius: 12px;
  margin-top: 18px;
}

.cert-card h3 {
  color: #e0e7ff;
}

.cert-card p {
  color: #93c5fd;
  margin-top: 6px;
}
.resume-btn {
  display: inline-block;
  margin: 15px auto 0;
  padding: 10px 26px;
  border-radius: 30px;
  border: 1px solid #60a5fa;
  color: #60a5fa;
  text-decoration: none;
  transition: 0.3s;
}

.resume-btn:hover {
  background: #60a5fa;
  color: #020617;
}
#projects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

#projects h2 {
  grid-column: span 2;
}
.hero-tagline {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  font-size: 18px;
  color: #94a3b8;
}
/* FOOTER */
.footer {
  margin-top: 80px;
  padding: 30px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #9ca3af;
  font-size: 14px;
}