/* --- styles.css --- */
:root {
  --accent: #ffffff;
  --bg: #036b3f;
  --muted: #0b1720;
  --max-width: 1100px;
  --radius: 12px;
  --container-padding: 24px;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: #0b1720;
  line-height: 1.45;
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 28px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-weight: 700;
  font-size: 20px;
  color: var(--accent);
  text-decoration: none;
}
.brand .accent {
  color: #0b1720;
}
.header-inner {
  display: flex;
  justify-content: center;
}
.actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-outline {
  border: 1px solid rgba(11, 23, 32, 0.08);
  background: #fff;
  color: #0b1720;
}
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid transparent;
  font-size: 20px;
}

.hero {
  padding: 48px 0;
  background: linear-gradient(180deg, #f2fff7 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 5fr 12fr;
  gap: 28px;
  align-items: center;
}
.hero-image {
  width: 120%;
  height: 350px; /* Adjust if you want taller */
  border-radius: 14px;
  background: url("resources/PSU_logo.webp") center/cover no-repeat;
  box-shadow: 0 8px 24px rgba(11, 23, 32, 0.12);
}
.hero-copy h1 {
  font-size: 36px;
  margin: 0 0 12px;
}
.lead {
  color: var(--muted);
  font-size: 18px;
  margin-bottom: 18px;
}
.hero-ctas {
  display: flex;
  gap: 12px;
}
.hero-card {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(11, 23, 32, 0.06);
}

.news {
  padding: 36px 0;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.news-item {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(11, 23, 32, 0.04);
}
.news-item img {
  width: 100%;
  display: block;
}
.news-body {
  padding: 16px;
}
.news-body h3 {
  margin: 6px 0 10px;
  font-size: 18px;
}
.text-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.stats {
  padding: 32px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
}
.stat h3 {
  margin: 0;
  font-size: 22px;
}
.contact {
  padding: 36px 0;
}
.contact-card {
  background: #fff;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(11, 23, 32, 0.06);
}
.contact-form {
  display: grid;
  gap: 10px;
}
.contact-form input,
.contact-form select {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #e6edf3;
}

.site-footer {
  margin-top: 40px;
  background: #0b1720;
  color: #fff;
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.footer-col {
  flex: 1;
}
.footer-col h4 {
  margin-top: 0;
}
.legal {
  text-align: center;
  padding: 12px 0;
  color: rgba(255, 255, 255, 0.65);
}

/* Responsive */
@media (max-width: 980px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: inline-block;
  }
  .header-inner {
    gap: 12px;
  }
}
@media (max-width: 640px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .container {
    padding: 16px;
  }
}

/* Publications Section */
.publications-section {
  padding: 60px 20px;
  background: #f2fff7;
}
.publications-section h2 {
  font-size: 2rem;
  margin-bottom: 25px;
}
.pub-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  padding: 25px;
  border-radius: 12px;
  border-left: 5px solid #00c26e;
  text-decoration: none;
  color: #000;
  transition: background 0.2s ease, transform 0.2s ease;
}
.pub-card:hover {
  background: #e8fff1;
  transform: translateY(-3px);
}
.pub-info h3 {
  margin: 0 0 8px 0;
  font-size: 1.2rem;
}
.pub-type {
  color: #00a85a;
  font-size: 0.9rem;
}
.pub-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.year {
  background: #00c26e;
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: bold;
}
.ext {
  font-size: 1.2rem;
  color: #00a85a;
}

/* Research Team Section */
.team-section {
  padding: 10px 20px;
  background: #f2fff7;
}

.team-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.team-section h2 {
  font-size: 2rem;
  margin-bottom: 25px;
}

.team-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(11, 23, 32, 0.06);
  /* display: flex;
  flex-direction: column;
  gap: 10px; */
}

.team-member {
  display: block;
  text-decoration: none;
  padding: 14px 18px;
  border-radius: 10px;
  background: #f7fff9;
  font-weight: 600;
  color: #0b1720;
  margin-top: 8px;
}
.team-member:hover {
  background: #e1ffed;
  cursor: pointer;
}

/* Responsive layout */
@media (max-width: 900px) {
  .team-groups {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .team-groups {
    grid-template-columns: 1fr;
  }
}

.nav-btn:hover {
  background: #e8fff1;
  transform: translateY(-1px);
}
html {
  scroll-behavior: smooth;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #036b3f;
  box-shadow: 0 4px 12px rgba(11, 23, 32, 0.08);
}

/* Research Supervisors */
.supervisor-section {
  padding: 60px 20px;
  background: #f2fff7;
}

.supervisor-section h2 {
  font-size: 2rem;
  margin-bottom: 25px;
}

.supervisor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.supervisor-card {
  display: block;
  background: #ffffff;
  padding: 22px;
  border-radius: 12px;
  text-decoration: none;
  color: #000;
  border-left: 5px solid #00c26e;
  box-shadow: 0 10px 30px rgba(11, 23, 32, 0.06);
  transition: background 0.2s ease, transform 0.2s ease;
  position: relative;
}

.supervisor-card:hover {
  background: #e8fff1;
  transform: translateY(-3px);
}

.sup-name {
  margin: 0 0 8px 0;
  font-size: 1.3rem;
  font-weight: 700;
}

.sup-email {
  margin: 0;
  color: #00a85a;
  font-weight: 500;
}

.sup-arrow {
  position: absolute;
  right: 18px;
  bottom: 18px;
  font-size: 1.3rem;
  color: #00a85a;
}

/* Responsive */
@media (max-width: 900px) {
  .supervisor-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .supervisor-grid {
    grid-template-columns: 1fr;
  }
}

.research-toggle-section {
  padding: 40px 20px;
  background: #f2fff7;
}

.research-tabs {
  display: flex;
  gap: 8px;
  background: #ffffff;
  padding: 10px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(11, 23, 32, 0.06);
}

.tab-btn {
  flex: 1;
  padding: 14px 10px;
  border-radius: 10px;
  border: 1px solid #e6edf3;
  background: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s ease;
}

.tab-btn:hover {
  background: #e8fff1;
}

.tab-btn.active {
  background: #00c26e;
  color: #fff;
  border-color: #00c26e;
}

/* Panels */
.view-panel {
  display: none;
  margin-top: 20px;
}

.view-panel.active {
  display: block;
}

/* --- end styles.css --- */