:root {
  --ink: #131E29;
  --red: #CE0019;
  --paper: #FAFAFA;
  --slate: #5B6470;
  --mist: #EEF0F2;
  --line: #DBDEE3;
  --teal: #0F766E;
  --amber: #B45309;
  --white: #FFFFFF;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: radial-gradient(circle at top, rgba(206, 0, 25, 0.08), transparent 30%), var(--ink);
  color: var(--ink);
  min-height: 100vh;
}

button,
a {
  font-family: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 40px 0 80px;
}

.site-header {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 48px 46px;
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.08);
}

.header-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
}

.header-eyebrow::before {
  content: '';
  width: 36px;
  height: 2px;
  background: var(--red);
  display: inline-block;
}

.site-title {
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.site-subtitle {
  max-width: 780px;
  margin-top: 22px;
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--slate);
}

.highlight-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  margin-top: 34px;
}

.program-card {
  background: var(--mist);
  border-radius: 18px;
  padding: 22px 24px;
  display: inline-flex;
  gap: 18px;
  align-items: center;
  border: 1px solid rgba(19, 30, 41, 0.08);
}

.program-card strong {
  display: block;
  font-size: 0.95rem;
  color: var(--ink);
}

.program-card span {
  display: block;
  font-size: 0.87rem;
  color: var(--slate);
}

.objective-lead {
  max-width: 780px;
  margin-top: 22px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink);
}

.objective-lead strong {
  color: var(--red);
}

.header-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.meta-item {
  background: var(--mist);
  border-radius: 18px;
  padding: 18px 20px;
  border: 1px solid rgba(19, 30, 41, 0.08);
}

.meta-item strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--red);
  margin-bottom: 6px;
}

.meta-item span {
  display: block;
  font-size: 0.95rem;
  color: var(--ink);
}

.meta-item.featured {
  background: rgba(206, 0, 25, 0.07);
  border-color: rgba(206, 0, 25, 0.22);
}

.meta-item.featured span {
  font-size: 1.05rem;
  font-weight: 700;
}

.sessions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 50px;
}

.session-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 32px 30px;
  position: relative;
  overflow: hidden;
  min-height: 300px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.session-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(206, 0, 25, 0.08), transparent 40%);
  pointer-events: none;
}

.session-card * {
  position: relative;
}

.session-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--teal);
  margin-bottom: 16px;
}

.session-badge::before {
  content: '';
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: var(--teal);
}

.session-title {
  font-size: 1.55rem;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 16px;
}

.session-summary {
  color: var(--slate);
  line-height: 1.8;
  margin-bottom: 16px;
}

.session-objective {
  color: var(--ink);
  line-height: 1.7;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.session-objective strong {
  color: var(--red);
}

.session-logistics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.logistics-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--mist);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.82rem;
  color: var(--ink);
}

.logistics-chip strong {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.session-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-bottom: 30px;
}

.session-list li {
  padding-left: 16px;
  font-size: 0.98rem;
  color: var(--ink);
  position: relative;
}

.session-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.63rem;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--red);
}

.cta-section {
  margin-top: 40px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 48px 46px;
  text-align: center;
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.08);
}

.cta-title {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-text {
  color: var(--slate);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 26px;
}

.cta-button {
  display: inline-block;
  font-size: 1.05rem;
  padding: 16px 32px;
}

.floating-cta {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 100;
  background: var(--red);
  color: var(--white);
  border-radius: 999px;
  padding: 16px 28px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: 0 16px 40px rgba(206, 0, 25, 0.4);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.floating-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 46px rgba(206, 0, 25, 0.45);
}

.button-primary,
.button-secondary {
  border: none;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  text-decoration: none;
}

.button-primary {
  background: var(--red);
  color: var(--white);
}

.button-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  margin-left: 14px;
}

.button-primary:hover,
.button-secondary:hover {
  transform: translateY(-1px);
}

.footer {
  margin-top: 52px;
  padding: 28px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.95rem;
  text-align: center;
}

.footer a {
  color: var(--white);
  text-decoration: underline;
}

@media (max-width: 900px) {
  .sessions-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    padding: 32px 24px;
  }

  .header-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100%, calc(100% - 24px));
    padding: 28px 0 60px;
  }

  .site-title {
    font-size: 2.6rem;
  }

  .session-card {
    padding: 26px;
  }

  .header-meta {
    grid-template-columns: 1fr;
  }

  .cta-section {
    padding: 36px 24px;
  }

  .floating-cta {
    left: 16px;
    right: 16px;
    bottom: 16px;
    text-align: center;
    padding: 15px;
  }
}