@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --primary: #012169;
  --primary-light: #0b3b8c;
  --secondary: #0284c7;
  --accent: #f0f9ff;
  --bg-gradient: linear-gradient(135deg, #012169 0%, #0b3b8c 100%);
  --card-bg: #ffffff;
  --card-shadow: 0 10px 30px -10px rgba(1, 33, 105, 0.08);
  --card-hover-shadow: 0 20px 40px -10px rgba(1, 33, 105, 0.16);
  --card-border: 1px solid rgba(226, 232, 240, 0.8);
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Body Styles */
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: #fafbfc;
  margin: 0;
  padding: 0;
  padding-top: 4.5rem; /* space for fixed top bar */
  line-height: 1.6;
}

/* Quarto Layout Customization */
#quarto-content {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem 1.5rem;
}

/* Fixed top bar with logo */
.logo-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  padding: 0.8rem 0;
  z-index: 1000;
}

.logo-header p {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 42px; /* Navbar height */
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.05));
  transition: var(--transition);
}

.brand-logo:hover {
  transform: scale(1.03);
}

/* Style the default Quarto title block as a premium hero banner */
#title-block-header.quarto-title-block {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-gradient);
  color: #ffffff;
  border-radius: 24px;
  margin-top: 0;
  margin-bottom: 3.5rem;
  box-shadow: 0 20px 40px -15px rgba(1, 33, 105, 0.25);
  position: relative;
  overflow: hidden;
  border: none;
}

#title-block-header.quarto-title-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 15% 15%, rgba(2, 132, 199, 0.4) 0%, transparent 50%),
              radial-gradient(circle at 85% 85%, rgba(1, 33, 105, 0.6) 0%, transparent 60%);
  z-index: 1;
}

#title-block-header.quarto-title-block > * {
  position: relative;
  z-index: 2;
}

#title-block-header .title {
  font-family: var(--font-title);
  font-size: 2.8rem;
  font-weight: 800;
  color: #ffffff !important;
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

#title-block-header .subtitle {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 400;
  color: #bae6fd;
  margin: 0 auto 1.5rem auto;
  max-width: 600px;
  line-height: 1.3;
}

#title-block-header .description {
  font-size: 1.05rem;
  max-width: 650px;
  margin: 0 auto;
  color: #e2e8f0;
  font-weight: 300;
  line-height: 1.6;
}

/* Section Headings */
h2 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 3rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
  border-bottom: none;
}

h2 + p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

/* Portfolio Cards Grid Layout */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Card item styling */
.portfolio-card {
  background: var(--card-bg);
  border: var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: 20px;
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.portfolio-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-hover-shadow);
  border-color: rgba(2, 132, 199, 0.3);
}

.portfolio-card h3 {
  font-family: var(--font-title);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 0;
  margin-bottom: 1rem;
  line-height: 1.2;
  border: none;
  padding: 0;
}

.portfolio-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-top: 0;
  margin-bottom: 1.8rem;
  flex-grow: 1;
}

/* Turn lists inside cards into action buttons */
.portfolio-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.portfolio-card li {
  margin: 0;
  flex: 1;
  min-width: 120px;
}

.portfolio-card .action-btn {
  display: block;
  text-align: center;
  text-decoration: none !important;
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 12px;
  transition: var(--transition);
}

.portfolio-card .btn-primary {
  background: var(--primary);
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(1, 33, 105, 0.15);
}

.portfolio-card .btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(1, 33, 105, 0.25);
}

.portfolio-card .btn-secondary {
  background: #f1f5f9;
  color: #334155 !important;
  border: 1px solid #e2e8f0;
}

.portfolio-card .btn-secondary:hover {
  background: #e2e8f0;
  transform: translateY(-1px);
}

/* Social buttons list formatting */
.social-links ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 3rem 0;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-links li {
  margin: 0;
}

.social-links .social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #ffffff;
  color: var(--primary) !important;
  text-decoration: none !important;
  padding: 0.6rem 1.2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: var(--transition);
}

.social-links .social-btn:hover {
  background: var(--primary);
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(1, 33, 105, 0.15);
  border-color: var(--primary);
}

/* Custom Footer - generated by Markdown or Quarto post-render if needed, but we style it if added */
.site-footer {
  margin-top: 5rem;
  border-top: 1px solid #e2e8f0;
  padding: 2rem 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
}