:root {
  --clr-bg: #0a0e1a;
  --clr-light: #f8f9fa;
  --clr-dark: #2c3e50;
  --clr-accent: #1ABC9C;
  --clr-text-light: #ecf0f1;
  --clr-text-muted: #7f8c8d;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', sans-serif;
  background: var(--clr-light);
  color: var(--clr-dark);
  line-height: 1.6;
}

h1, h2, h3, h4, h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}

/* Minimalist Header */
header {
  background: linear-gradient(135deg, #0a0e1a 0%, #1a252f 100%);
  color: var(--clr-text-light);
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
}

/* Subtle starfield effect */
/*header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(1px 1px at 25% 20%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 75% 35%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 15% 60%, rgba(255,255,255,0.2), transparent),
    radial-gradient(1px 1px at 85% 75%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 45% 85%, rgba(255,255,255,0.2), transparent);
  background-size: 400px 400px;
  opacity: 0.6;
}*/
header::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.4), transparent 2px),
    radial-gradient(circle at 80% 40%, rgba(255,255,255,0.3), transparent 2px),
    radial-gradient(circle at 40% 70%, rgba(255,255,255,0.25), transparent 2px),
    radial-gradient(circle at 70% 85%, rgba(255,255,255,0.3), transparent 2px),
    radial-gradient(circle at 50% 90%, rgba(255,255,255,0.2), transparent 2px);
  background-size: 400px 400px;
  animation: move-stars 100s linear infinite;
  opacity: 0.6;
}

@keyframes move-stars {
  0%   { background-position:    0px    0px; }
  100% { background-position: -800px -800px; }
}


.profile-img {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
  transition: transform 0.3s ease;
}

.profile-img:hover {
  transform: scale(1.05);
}

/* Clean card design */
.card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.card:hover {
  background: rgba(255,255,255,0.98);
  transform: translateY(-6px) scale(1.02);
}

/* Simple button styling */
.btn-primary-pill {
  background: var(--clr-accent);
  border: none;
  border-radius: 25px;
  padding: 0.6rem 1.8rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-primary-pill:hover {
  background: #2980b9;
  transform: translateY(-1px);
}

/* Galaxy background */
.bg-galaxy {
  background:
    linear-gradient(to right, rgba(10, 14, 26, 0.4), rgba(10, 14, 26, 0)),
    url('./images/galaxy.jpg') center/contain no-repeat;
  min-height: 70vh;
  height: 100%;
}

.bg-galaxy-fallback {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 70vh;
  height: 100%;
}

.text-accent { color: var(--clr-accent); }

.section-title {
  font-weight: 600;
  margin-bottom: 2rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--clr-accent);
}

.underline {
  width: 30px;
  height: 2px;
  background: var(--clr-accent);
  margin: 8px auto 12px;
}

.skills-list li {
  padding: 0.3rem 0;
  color: var(--clr-dark);
  transition: color 0.3s ease;
}

.skills-list li:hover {
  color: var(--clr-accent);
}

/* Social links */
.social-links a {
  color: var(--clr-dark);
  text-decoration: none;
  transition: color 0.3s ease;
  display: block;
  padding: 0.2rem 0;
}

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

.navbar-brand {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}

.navbar-nav .nav-link:hover {
  color: var(--clr-accent) !important;
}

@media (max-width: 768px) {
  .display-4 { font-size: 2.2rem; }
  .profile-img { width: 120px; height: 120px; }
  header { min-height: 60vh; }
}

.publication-item {
  background: #f8f9fa;
  padding: 1.2rem;
  border-radius: 6px;
  border-left: 3px solid var(--clr-accent);
  margin-bottom: 1rem;
}

/* Icon size override */
.skills-list .fas.fa-circle {
  font-size: 0.4rem;
}