:root {
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --line: rgba(24, 34, 45, 0.12);
  --ink: #111111;
  --muted: #767676;
  --accent: #111111;
  --accent-strong: #000000;
  --accent-soft: rgba(0, 0, 0, 0.06);
  --shadow: 0 18px 40px rgba(24, 34, 45, 0.08);
  --radius-lg: 28px;
  --radius-md: 24px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  scrollbar-gutter: stable;
  min-height: 100vh;
  background: #f5f5f5;
  color: var(--ink);
  font-family: var(--font-sans);
}

button,
input,
textarea,
select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}


.shell {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 24px 56px;
}

.hero,
.section {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);

  box-shadow: var(--shadow);
}

.hero {
  padding: 36px 36px 28px;
}

.eyebrow,
.section-kicker,
.panel-label,
.process-step {
  margin: 0 0 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.86rem;
  font-weight: 700;
}

.hero h1,
.section-heading h2,
.course-header h4,
.process-card h3 {
  margin: 0;
  font-family: var(--font-sans);
  letter-spacing: -0.03em;
}

.hero h1 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.3rem, 4vw, 4rem);
  line-height: 0.98;
}

.hero-lead,
.section-note,
.course-summary,
.process-card p,
.footer-note,
.course-subtitle,
.empty-state {
  color: var(--muted);
}

.hero-lead {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 1.08rem;
  line-height: 1.7;
}

.hero-actions,
.course-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--ink);
  color: #ffffff;
  box-shadow: none;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #333333;
}

.button-secondary {
  border-color: rgba(0, 0, 0, 0.35);
  background: transparent;
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(0, 0, 0, 0.7);
  background: transparent;
}


.section {
  margin-top: 26px;
  padding: 28px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
}

.section-heading h2 {
  margin-top: 10px;
  font-size: clamp(2rem, 3vw, 3rem);
}

.section-note {
  max-width: 34ch;
  margin: 0;
  line-height: 1.65;
}

.course-grid,
.process-grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

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

.year-group + .year-group {
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.year-heading {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.sem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.sem-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sem-label {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.process-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.course-card,
.process-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
}

.course-card {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.course-card .button {
  min-height: 36px;
  padding: 0 14px;
  font-size: 0.9rem;
}

.course-header h4 {
  margin: 10px 0 0;
  font-size: 1.4rem;
  line-height: 1.1;
}

.course-subtitle {
  margin: 8px 0 0;
  font-size: 0.98rem;
}



.process-section {
  background:
    linear-gradient(180deg, rgba(255, 249, 239, 0.78), rgba(250, 241, 225, 0.9)),
    radial-gradient(circle at top right, rgba(184, 92, 56, 0.08), transparent 20rem);
}

.process-card {
  padding: 22px;
}

.process-step {
  color: var(--accent-strong);
}

.process-card h3 {
  margin-top: 16px;
  font-size: 1.5rem;
}

.process-card p {
  margin: 10px 0 0;
  line-height: 1.65;
}

.footer {
  margin-top: 12px;
  padding: 20px 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer p {
  margin: 0;
}

.empty-state {
  margin: 0;
  padding: 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 252, 247, 0.76);
  border: 1px dashed rgba(19, 39, 45, 0.14);
}

@media (max-width: 960px) {
  .hero-layout,
  .course-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    flex-direction: column;
    align-items: start;
  }

  .section-note {
    max-width: none;
  }
}

@media (max-width: 820px) {
  .shell {
    padding: 28px 16px 36px;
  }

  .hero {
    padding: 28px 22px 22px;
  }

  .section {
    padding: 20px 18px 18px;
  }

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