/* GLOBAL RESET & BASE STYLES */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #0f172a;
  color: #f8fafc;
  line-height: 1.7;
}

/* LINKS */
a {
  text-decoration: none;
  color: inherit;
}

/* HERO SECTION */
.hero {
  padding: 6rem 1rem 4rem;
  text-align: center;
  background: #1e293b;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
}

.hero h2 {
  font-size: 2rem;
  margin: 1rem 0;
  color: #60a5fa;
}

.hero p {
  max-width: 700px;
  margin: 0 auto 2rem;
  color: #cbd5e1;
}

.cta {
  margin-top: 1.5rem;
  display: inline-block;
  background: #6366f1;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: bold;
  transition: background 0.3s ease;
}

.cta:hover {
  background: #4f46e5;
}

/* NAVBAR */
.navbar {
  background: #1e293b;
  padding: 1rem;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.navbar li a {
  color: #94a3b8;
  font-weight: 600;
  transition: color 0.2s ease;
}

.navbar li a:hover {
  color: #f1f5f9;
}

/* MAIN CONTENT */
main {
  padding: 3rem 1rem;
  max-width: 1100px;
  margin: auto;
}

section {
  margin-bottom: 4rem;
}

h2 {
  margin-bottom: 1rem;
  font-size: 1.8rem;
  color: #f1f5f9;
  align-items: center;
  gap: 0.6rem;
}

section > p {
  color: #cbd5e1;
  max-width: 800px;
  margin-bottom: 2rem;
}

/* CARD GRID */
.card-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: #1e293b;
  border-radius: 10px;
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.2s ease;
  border: 1px solid #334155;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 14px #3b82f6;
}

.card img {
  width: 100%;
  height: 160px;
  object-fit:scale-down;
}

.card-body {
  padding: 1.2rem;
}

.card-body h3 {
  margin-bottom: 0.5rem;
  color: #f8fafc;
  font-size: 1.1rem;
}

.card-body p {
  color: #cbd5e1;
  font-size: 0.95rem;
}

.tags {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 0.8rem;
  font-weight: 500;
}

/* PUBLICATIONS */
.pub {
  background: #1e293b;
  padding: 1.5rem;
  border-radius: 10px;
  margin-bottom: 2rem;
  border: 1px solid #334155;
}

.pub h3 {
  color: #f8fafc;
  margin-bottom: 0.5rem;
}

.pub .status {
  font-weight: 600;
  margin-top: 0.4rem;
  font-size: 0.95rem;
}

.pub .conf {
  color: #60a5fa;
  font-size: 0.9rem;
  margin: 0.3rem 0 0.6rem;
}

.green { color: #22c55e; }
.blue { color: #60a5fa; }

/* FOOTER */
footer {
  background: #1e293b;
  text-align: center;
  padding: 3rem 1rem;
  border-top: 1px solid #334155;
}

footer h3 {
  margin-bottom: 0.8rem;
  font-size: 1.3rem;
  color: #f8fafc;
}

footer .icons {
  margin-top: 1rem;
}

footer .icons a {
  margin: 0 0.6rem;
  font-size: 1.2rem;
  color: #cbd5e1;
  transition: color 0.3s ease;
}

footer .icons a:hover {
  color: #60a5fa;
}

footer p {
  color: #94a3b8;
  font-size: 0.85rem;
  margin-top: 1.5rem;
}

/* ICON ALIGNMENT WITH HEADINGS */
h2 i {
  font-size: 1.3rem;
  color: #60a5fa;
}

.zoomed-img {
  object-fit: contain;
  background-color: #0f172a; /* optional: fills space around the image */
}