:root {
  --ink: #172033;
  --muted: #5f6b7a;
  --soft: #eef3f8;
  --softer: #f7f9fc;
  --line: #dfe7f0;
  --blue: #002a5c;
  --blue-2: #0b5cab;
  --accent: #6aa6d9;
  --white: #ffffff;
  --shadow: 0 20px 50px rgba(23, 32, 51, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(106, 166, 217, 0.18), transparent 34rem),
    linear-gradient(180deg, #fbfdff 0%, #f3f7fb 100%);
  font-family: Inter, Lato, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

a { color: var(--blue-2); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.site-shell {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 44px;
}

.site-header {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 200px;
  min-height: 92px;
}

.brand-mark img {
  display: block;
  max-width: 200px;
  max-height: 92px;
}

.eyebrow {
  margin-bottom: 6px;
  color: var(--blue-2);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.18; }

h1 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(2rem, 5vw, 4.1rem);
  letter-spacing: -0.05em;
}

h2 {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  letter-spacing: -0.035em;
}

h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 750;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a.active {
  background: var(--blue);
  color: var(--white);
}

.main-card {
  padding: clamp(24px, 5vw, 44px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 34px;
}

.lead {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.quick-card,
.info-card,
.empty-state {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--softer);
}

.quick-card dl,
.info-grid dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 14px;
  margin: 0;
}

dt {
  color: var(--muted);
  font-weight: 750;
}

dd { margin: 0; }

.section { margin-top: 36px; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.info-card ul,
.content-list {
  margin: 0;
  padding-left: 1.2rem;
}

.info-card li + li,
.content-list li + li { margin-top: 6px; }

.kpi-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.kpi-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
}

.kpi-list strong { color: var(--blue); }

.schedule-list { display: grid; gap: 14px; }

.lecture {
  display: grid;
  grid-template-columns: 110px 1fr 150px 150px minmax(200px, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--softer);
}

.date-pill {
  display: inline-flex;
  justify-content: center;
  min-width: 78px;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--blue);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 800;
}

.label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.muted { color: var(--muted); }

.table-modern {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
}

.table-modern th,
.table-modern td {
  padding: 15px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.table-modern th {
  background: var(--blue);
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.table-modern tr:last-child td { border-bottom: 0; }

.empty-state {
  color: var(--muted);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 860px) {
  .site-header,
  .hero,
  .info-grid,
  .grid-2 { grid-template-columns: 1fr; }

  .site-header { text-align: left; }

  .brand-mark {
    width: auto;
    justify-content: start;
  }

  .lecture {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 560px) {
  body { font-size: 16px; }

  .site-shell {
    width: min(100% - 24px, 1080px);
    padding-top: 18px;
  }

  .site-header,
  .main-card { border-radius: 20px; }

  .site-nav { display: grid; grid-template-columns: 1fr 1fr; }

  .quick-card dl,
  .info-grid dl { grid-template-columns: 1fr; gap: 2px 0; }

  .kpi-list li { flex-direction: column; gap: 2px; }
}
