/* ============================================
   NEMD Summer School 2026 - Website Styles
   ============================================ */

/* ===== CSS Variables ===== */
:root {
  --primary: #1a365d;       /* Deep blue */
  --primary-light: #2c5282;
  --accent: #38b2ac;        /* Teal - fluids theme */
  --accent-light: #4fd1c5;
  --text-dark: #1a202c;
  --text-light: #f7fafc;
  --bg-light: #f7fafc;
}

/* ===== Global Typography ===== */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-dark);
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Fraunces", serif;
  font-weight: 500;
  color: var(--primary);
  letter-spacing: -0.02em;
}

/* ===== Navbar ===== */
.navbar {
  padding: 1rem 2rem;
  background: var(--primary) !important;
  width: 100%;
  z-index: 1000;
}

.navbar-brand, .navbar-title {
  font-family: "Fraunces", serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: white !important;
}

.navbar-nav .nav-link {
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.9) !important;
  padding: 0.5rem 1rem !important;
  transition: color 0.2s ease;
}

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

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: linear-gradient(rgba(26, 54, 93, 0.75), rgba(26, 54, 93, 0.85)),
              url('images/hero.png') center center / cover no-repeat;
  color: white;
  padding: 2rem;
}

.hero-content {
  max-width: 900px;
  z-index: 1;
}

.hero h1 {
  font-family: "Fraunces", serif;
  font-size: 3.5rem;
  font-weight: 500;
  color: white;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero .subtitle {
  font-size: 1.4rem;
  font-weight: 300;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero .event-details {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 2.5rem;
  letter-spacing: 0.05em;
}

.hero .event-details span {
  display: inline-block;
  margin: 0 1rem;
}

.btn-register {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--accent);
  color: white;
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.3s ease;
  border: 2px solid var(--accent);
}

.btn-register:hover {
  background: transparent;
  color: white;
  border-color: white;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Content Sections ===== */
.content-section {
  padding: 5rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.content-section h2 {
  font-size: 2.2rem;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--accent);
  display: inline-block;
}

.content-section p {
  font-size: 1.1rem;
  line-height: 1.9;
  color: #4a5568;
}

.content-section ul,
.content-section li {
  font-size: 1.1rem;
  line-height: 1.9;
  color: #4a5568;
}

/* ===== Conference Banner ===== */
.conference-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  padding: 3rem 2rem;
  text-align: center;
}

.conference-banner h3 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.conference-banner p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin: 0;
}

/* ===== Speaker Cards ===== */
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.speaker-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.speaker-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.speaker-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.speaker-card .speaker-info {
  padding: 1.5rem;
}

.speaker-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
  color: var(--primary);
}

.speaker-card .affiliation {
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.speaker-card .bio {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.6;
}

.speaker-card a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.speaker-card a:hover {
  text-decoration: underline;
}

/* ===== Schedule Table ===== */
.schedule-day {
  margin-bottom: 3rem;
}

.schedule-day h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
}

.schedule-table th,
.schedule-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

.schedule-table th {
  background: var(--primary);
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.schedule-table tr:hover {
  background: #f7fafc;
}

.schedule-table .time {
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}

.schedule-table .break {
  background: #f0fff4;
  font-style: italic;
  color: #666;
}

/* ===== Registration Section ===== */
.registration-box {
  background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
  border-radius: 16px;
  padding: 3rem;
  text-align: center;
  margin-top: 2rem;
}

.registration-box .fee {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin: 1rem 0;
}

.registration-box .includes {
  font-size: 1.1rem;
  color: #4a5568;
  margin-bottom: 2rem;
}

.registration-box ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  text-align: left;
  display: inline-block;
}

.registration-box li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.registration-box li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

/* ===== Sponsor Section ===== */
.sponsors {
  text-align: center;
  padding: 3rem 2rem;
  background: #f7fafc;
}

.sponsors h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #718096;
  margin-bottom: 1.5rem;
}

.sponsor-logos {
  display: flex !important;
  flex-direction: row !important;
  justify-content: center;
  align-items: center;
  gap: 4rem;
}

.sponsor-logos a {
  display: inline-block !important;
}

.sponsor-logos p {
  display: contents;
}

.sponsor-logo {
  max-height: 80px;
  width: auto;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.sponsor-logo:hover {
  opacity: 1;
}

/* ===== Organisers Section ===== */
.organisers {
  text-align: center;
  padding: 3rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.organisers h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.organisers p {
  line-height: 1.8;
  color: #4a5568;
}

/* ===== Footer ===== */
.footer {
  background: var(--primary);
  color: white;
  padding: 2rem;
  text-align: center;
}

.footer a {
  color: var(--accent-light);
}

/* ===== Links ===== */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero .subtitle {
    font-size: 1.1rem;
  }

  .hero .event-details {
    font-size: 1rem;
  }

  .hero .event-details span {
    display: block;
    margin: 0.5rem 0;
  }

  .content-section {
    padding: 3rem 1.5rem;
  }

  .content-section h2 {
    font-size: 1.8rem;
  }

  .navbar {
    padding: 0.75rem 1rem;
  }

  .speaker-grid {
    grid-template-columns: 1fr;
  }
}

/* Hide default quarto elements we don't need */
#quarto-content {
  padding-top: 0 !important;
}

.quarto-title {
  display: none;
}

/* ===== Callout Box Styling ===== */
.callout {
  font-size: 1.1rem;
}

.callout ul {
  font-size: 1.1rem;
  color: #4a5568;
  line-height: 1.9;
}

.callout li {
  font-size: 1.1rem;
  color: #4a5568;
}