/* Core typography */
:root {
  color-scheme: light dark;
  font-family: "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-size: 16px;
  background-color: #f5f7fb;
  color: #172b4d;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #f3f6ff 0%, #ffffff 40%);
}

a {
  color: #0052cc;
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

/* Layout */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(7px);
  border-bottom: 1px solid rgba(15, 36, 73, 0.08);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 600;
  font-size: 1.05rem;
  color: #0f245c;
}

.brand strong {
  font-size: 1.05rem;
  color: #0f245c;
}

.brand span {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: #4a5d7a;
}

nav ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 1.25rem;
}

nav li {
  font-weight: 500;
}

nav a {
  color: #243b67;
}

.hero {
  padding: 5rem 1.5rem 3rem;
  text-align: center;
  background: radial-gradient(circle at top, rgba(59, 130, 246, 0.18), transparent 60%);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  margin-bottom: 0.8rem;
  color: #0f245c;
}

.hero p {
  max-width: 650px;
  margin: 0 auto 2rem;
  color: #40557a;
}

.quick-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.schedule-highlight {
  margin: 2rem auto 0;
  max-width: 820px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 22px;
  padding: 1.8rem;
  box-shadow: 0 25px 60px rgba(15, 36, 92, 0.15);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  border: 1px solid rgba(23, 43, 77, 0.1);
}

.schedule-text {
  flex: 1 1 280px;
  text-align: left;
}

.schedule-text h2 {
  margin: 0.4rem 0;
  color: #0f245c;
  font-size: clamp(1.3rem, 4vw, 1.8rem);
}

.schedule-text p {
  margin: 0;
  color: #52648f;
}

.schedule-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 36, 92, 0.08);
  color: #0f245c;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.schedule-link {
  white-space: nowrap;
  padding: 0.85rem 1.6rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #1d4ed8;
  color: #fff;
  padding: 0.7rem 1.25rem;
  border-radius: 0.75rem;
  font-weight: 600;
  box-shadow: 0 10px 35px rgba(29, 78, 216, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.button.alt {
  background: #fff;
  color: #1d4ed8;
  border: 1px solid rgba(29, 78, 216, 0.3);
  box-shadow: none;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(29, 78, 216, 0.28);
}

.section {
  padding: 3rem 1.5rem;
}

.section:nth-child(even) {
  background: #ffffff;
}

.section:nth-child(odd) {
  background: rgba(242, 247, 255, 0.6);
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section h2 {
  margin-top: 0;
  color: #0f245c;
  font-size: 1.9rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: #fff;
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: 0 18px 45px rgba(15, 36, 92, 0.08);
  border: 1px solid rgba(23, 43, 77, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.card h3 {
  margin: 0;
  color: #1d3a6e;
}

.card p {
  margin: 0;
  color: #50648a;
  font-size: 0.95rem;
}

.card-footer {
  margin-top: auto;
  font-weight: 600;
  color: #1d4ed8;
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
}

.timeline {
  position: relative;
  padding-left: 1.5rem;
  border-left: 3px solid rgba(29, 78, 216, 0.2);
}

.timeline-item {
  margin-bottom: 1.5rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item h4 {
  margin: 0 0 0.3rem;
  color: #1d3a6e;
}

.timeline-item p {
  margin: 0;
  color: #4c628d;
  font-size: 0.95rem;
}

.footer {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: #0f245c;
  color: rgba(255, 255, 255, 0.76);
}

.footer a {
  color: #9ec5ff;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  padding: 0.3rem 0.65rem;
  border-radius: 0.7rem;
  background: rgba(29, 78, 216, 0.12);
  color: #1d4ed8;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tag.secondary {
  background: rgba(15, 36, 92, 0.1);
  color: #0f245c;
}

.list {
  margin: 0;
  padding-left: 1.2rem;
  color: #50648a;
}

.list li {
  margin-bottom: 0.5rem;
}

.resources-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.resource-link {
  background: rgba(255, 255, 255, 0.8);
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(15, 36, 92, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.resource-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(15, 36, 92, 0.12);
}

.resource-link span {
  font-size: 0.85rem;
  color: #5b7198;
}

.resource-link strong {
  color: #0f245c;
}

@media (max-width: 720px) {
  .topbar-inner {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero {
    padding-top: 4rem;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }

  .button {
    width: 100%;
    justify-content: center;
  }
}