:root {
  --primary: #0f2744;
  --primary-light: #1b3d66;
  --accent: #0088cc;
  --accent-hover: #006da3;
  --accent-gold: #d4af37;
  --dark-bg: #071324;
  --dark-card: #0d1e38;
  --light-bg: #f8fafc;
  --light-card: #ffffff;
  --text-dark: #0f172a;
  --text-dark-muted: #334155;
  --text-light: #ffffff;
  --text-light-body: #f1f5f9;
  --text-light-muted: #e2e8f0;
  --border-color: #cbd5e1;
  --border-dark: #203a60;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.25), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-dark);
  background-color: var(--light-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  line-height: 1.65;
  overflow-x: hidden;
  font-weight: 400;
}

/* Typography */
h1, h2, h3 {
  font-family: 'Cinzel', serif;
  letter-spacing: 0.5px;
  font-weight: 700;
}

h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-light {
  background-color: var(--light-bg);
  color: var(--text-dark);
}

.section-dark {
  background-color: var(--dark-bg);
  color: var(--text-light);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 12px;
  color: inherit;
}

.title-bar {
  width: 64px;
  height: 3px;
  background-color: var(--accent-gold);
  margin: 0 auto 16px auto;
}

.section-description {
  color: var(--text-dark-muted);
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.1rem;
  font-weight: 450;
}

.section-dark .section-description {
  color: var(--text-light-muted);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.mt-4 { margin-top: 1.5rem; }
.mt-6 { margin-top: 2.5rem; }
.text-center { text-align: center; }
.w-full { width: 100%; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 4px;
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-outline {
  background-color: transparent;
  color: #ffffff;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: #ffffff;
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  font-weight: 600;
}

.btn-outline-dark:hover {
  background-color: var(--primary);
  color: #ffffff;
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: rgba(10, 25, 47, 0.98);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: 'Cinzel', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 1px;
}

.brand-creds {
  font-size: 0.8rem;
  color: var(--accent-gold);
  letter-spacing: 1.5px;
  font-weight: 700;
}

.nav-menu {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-link {
  color: #f1f5f9;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--accent-gold);
}

.btn-nav {
  padding: 9px 18px;
  background-color: var(--accent);
  color: #ffffff;
  border-radius: 4px;
}

.btn-nav:hover {
  background-color: var(--accent-hover);
  color: #ffffff;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.6rem;
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #050c17 0%, #0d1e38 100%);
  color: #ffffff;
  padding: 120px 0 100px 0;
  border-bottom: 1px solid var(--border-dark);
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-gold);
  font-weight: 700;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 2.85rem;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #ffffff;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-light-body);
  margin-bottom: 32px;
  line-height: 1.65;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Profile Card */
.profile-card {
  background: #0d1e38;
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  padding: 36px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.profile-avatar-placeholder {
  width: 110px;
  height: 110px;
  margin: 0 auto 20px auto;
  border-radius: 50%;
  background: #1b3d66;
  border: 2px solid var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: #ffffff;
}

.profile-card h3 {
  font-size: 1.55rem;
  margin-bottom: 6px;
  color: #ffffff;
}

.role-highlight {
  color: var(--accent-gold);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

.role-sub {
  color: #f1f5f9;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
}

.profile-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  color: #ffffff;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  padding: 16px 0;
  margin: 16px 0 20px 0;
  font-weight: 500;
}

.profile-meta i {
  color: #38bdf8;
  margin-right: 6px;
}

.profile-links {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.profile-links a {
  color: #f1f5f9;
  font-size: 1.4rem;
  transition: var(--transition);
}

.profile-links a:hover {
  color: var(--accent-gold);
}

/* About / Timeline */
.about-text p {
  font-size: 1.05rem;
  color: var(--text-dark);
  margin-bottom: 18px;
  line-height: 1.7;
}

.experience-timeline {
  margin-top: 32px;
  position: relative;
  padding-left: 24px;
  border-left: 2px solid #94a3b8;
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
}

.timeline-dot {
  position: absolute;
  left: -31px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--primary);
  border: 2px solid #ffffff;
}

.timeline-content h4 {
  font-size: 1.05rem;
  color: var(--primary);
  font-weight: 700;
}

.timeline-content p {
  font-size: 0.92rem;
  color: var(--text-dark-muted);
  font-weight: 500;
  margin-bottom: 0;
}

.board-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.board-card h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.board-card h3 i {
  color: #a17c2f;
}

.board-card ul {
  list-style: none;
}

.board-card li {
  font-size: 0.95rem;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.55;
}

.board-card li strong {
  color: var(--primary);
}

/* Procedures Grid */
.procedure-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.procedure-card {
  background: var(--dark-card);
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  padding: 36px 28px;
  transition: var(--transition);
}

.procedure-card:hover {
  transform: translateY(-4px);
  border-color: #38bdf8;
  box-shadow: var(--shadow-lg);
}

.card-icon {
  font-size: 2.2rem;
  color: var(--accent-gold);
  margin-bottom: 20px;
}

.procedure-card h3 {
  font-size: 1.35rem;
  margin-bottom: 20px;
  color: #ffffff;
}

.procedure-card ul {
  list-style: none;
}

.procedure-card li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 0.98rem;
  color: var(--text-light-body);
  line-height: 1.5;
}

.procedure-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-gold);
  font-size: 1.3rem;
  line-height: 1;
}

/* Videos Grid */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.video-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.video-embed-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background-color: #000;
}

.video-embed-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.video-info h4 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.video-info p {
  font-size: 0.95rem;
  color: var(--text-dark-muted);
  margin-bottom: 18px;
  flex-grow: 1;
}

.video-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.video-link:hover {
  text-decoration: underline;
  color: var(--accent-hover);
}

/* Media Grid */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.media-card {
  background: var(--dark-card);
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.media-card:hover {
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-3px);
}

.media-badge {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.media-card h3 {
  font-size: 1.2rem;
  color: #ffffff;
  margin-bottom: 12px;
  line-height: 1.4;
}

.media-card p {
  font-size: 0.95rem;
  color: var(--text-light-body);
  margin-bottom: 20px;
  flex-grow: 1;
  line-height: 1.55;
}

.media-card a {
  font-size: 0.9rem;
  font-weight: 700;
  color: #38bdf8;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.media-card a:hover {
  color: #ffffff;
}

/* Publications */
.publications-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pub-item {
  display: flex;
  gap: 24px;
  background: #ffffff;
  padding: 24px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.pub-year {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: #a17c2f;
  min-width: 60px;
}

.pub-content h4 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 6px;
  line-height: 1.4;
}

.pub-authors {
  font-size: 0.92rem;
  color: var(--text-dark-muted);
  margin-bottom: 4px;
}

.pub-authors strong {
  color: var(--primary);
}

.pub-journal {
  font-size: 0.9rem;
  color: var(--accent-hover);
  font-weight: 600;
}

/* Contact & Referrals */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.contact-info-card, .referral-instructions-card {
  background: var(--dark-card);
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  padding: 36px;
}

.contact-info-card h3, .referral-instructions-card h3 {
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.institution-title {
  color: var(--accent-gold);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.contact-detail-row {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 1rem;
  color: var(--text-light-body);
}

.contact-detail-row i {
  color: #38bdf8;
  font-size: 1.2rem;
  margin-top: 4px;
}

.contact-detail-row strong {
  color: #ffffff;
}

.contact-detail-row a {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

.contact-detail-row a:hover {
  color: #38bdf8;
}

.referral-instructions-card p {
  color: var(--text-light-body);
  font-size: 1rem;
  margin-bottom: 20px;
}

.referral-steps {
  list-style: none;
  margin-bottom: 28px;
}

.referral-steps li {
  margin-bottom: 16px;
  font-size: 0.95rem;
  color: var(--text-light-body);
  line-height: 1.55;
}

.referral-steps li strong {
  color: #ffffff;
}

/* Footer */
.footer {
  background-color: #040912;
  color: #cbd5e1;
  padding: 48px 0;
  border-top: 1px solid var(--border-dark);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-left strong {
  color: #ffffff;
  font-size: 0.95rem;
}

.disclaimer {
  margin-top: 10px;
  max-width: 620px;
  font-size: 0.8rem;
  color: #94a3b8;
  line-height: 1.5;
}

.social-icons {
  display: flex;
  gap: 18px;
  margin-bottom: 12px;
  justify-content: flex-end;
}

.social-icons a {
  color: #ffffff;
  font-size: 1.3rem;
  transition: var(--transition);
}

.social-icons a:hover {
  color: var(--accent-gold);
}

.copyright {
  color: #94a3b8;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-container, .grid-2, .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: #071324;
    flex-direction: column;
    padding: 24px 0;
    gap: 18px;
    display: none;
    border-bottom: 1px solid var(--border-dark);
  }
  
  .nav-menu.active {
    display: flex;
  }
}