:root {
  --bg: #0b1020;
  --card: #121a2b;
  --border: #22304a;
  --text: #e8eefc;
  --muted: #b8c4dd;
  --muted2: #8896b4;
  --accent: #7aa7ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

.container {
  width: min(980px, 92vw);
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 22px;
  padding: 56px 0 28px;
  align-items: start;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
}

h1 {
  margin: 0 0 8px;
  font-size: 44px;
  letter-spacing: -0.6px;
}

.subtitle {
  margin: 0 0 14px;
  color: var(--muted);
  font-weight: 600;
}

.summary {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0f1626;
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
  transition: transform 0.15s ease, opacity 0.2s ease;
}

.btn:hover { transform: translateY(-2px); opacity: 0.95; }

.btn.primary {
  background: var(--accent);
  border-color: transparent;
  color: #0b1020;
}

.btn.small {
  padding: 8px 12px;
  border-radius: 10px;
  font-weight: 600;
}

.btn.disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

.links {
  margin-top: 14px;
  color: var(--muted2);
}

.links a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
}
.links a:hover { border-bottom-color: var(--muted); text-decoration: none; }

.dot { margin: 0 8px; color: var(--muted2); }

.info-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 14px 10px;
  margin-bottom: 12px;
}

.info-card h2 {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.info-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.section {
  padding: 26px 0;
  border-top: 1px solid rgba(34,48,74,0.6);
}

.section h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.section-head {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.muted { color: var(--muted); margin: 0; }

.pill-group { margin-top: 14px; }

.pill-group h3 {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #0f1626;
  color: var(--muted);
  font-size: 14px;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 12px;
}

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

.course-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
}

.course-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.course-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.course-card li { margin: 8px 0; }

.card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.card-title,
.card-title-text {
  font-size: 18px;
  color: var(--text);
  font-weight: 750;
}

.card-title:hover { text-decoration: underline; }

.tag {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: #0f1626;
  white-space: nowrap;
}

.card p { margin: 0; color: var(--muted); }
.card p + p { margin-top: 10px; }

.meta {
  color: var(--muted2);
  font-size: 13px;
}

.card-actions { margin-top: 12px; display: flex; gap: 10px; flex-wrap: wrap; }

.contact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.contact-links a { color: var(--muted); }
.contact-links a:hover { text-decoration: underline; }

.footer {
  padding: 22px 0 44px;
  border-top: 1px solid rgba(34,48,74,0.6);
}

.small-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted2);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.95em;
}

.featured-project {
  position: relative;
  overflow: hidden;
  border-color: rgba(122, 167, 255, 0.55);
  box-shadow: 0 0 0 1px rgba(122, 167, 255, 0.08),
              0 18px 45px rgba(0, 0, 0, 0.18);
}

.featured-project::before {
  content: "New";
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--bg);
  font-size: 12px;
  font-weight: 800;
}

.featured-project .card-top {
  padding-right: 54px;
}