:root {
  --bg: #f9fafb;
  --surface: #ffffff;
  --surface-soft: #f3f4f6;
  --ink: #111827;
  --muted: #4b5563;
  --line: #e5e7eb;
  --primary: #4f46e5; /* Electric Indigo */
  --accent: #10b981;  /* Emerald */
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg);
  background:
    radial-gradient(circle at top left, rgba(79, 70, 229, 0.08), transparent 30%),
    radial-gradient(circle at 90% 20%, rgba(16, 185, 129, 0.06), transparent 25%),
    linear-gradient(180deg, #ffffff 0%, #f9fafb 30%, #f3f4f6 100%);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header.site-header {
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(229, 231, 235, 0.7);
  border-radius: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 24px auto 0;
  max-width: 1120px;
  padding: 16px 28px;
  width: calc(100% - 48px);
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 20px;
  font-weight: 900;
  gap: 10px;
  text-decoration: none;
}

.brand-dot {
  background: var(--primary);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

main {
  flex: 1;
  margin: 0 auto;
  max-width: 1120px;
  padding: 56px 24px 72px;
  width: 100%;
}

.hero {
  text-align: center;
  margin-bottom: 64px;
}

.hero h1 {
  font-size: clamp(38px, 6vw, 68px);
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin-bottom: 20px;
}

.hero p {
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.55;
  max-width: 720px;
  margin: 0 auto;
}

/* Projects grid */
.grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  text-decoration: none;
  transition: all 0.2s ease-in-out;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 12px 20px -3px rgba(79, 70, 229, 0.08), 0 4px 6px -2px rgba(79, 70, 229, 0.03);
}

.card-top {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-badge {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 12px;
  letter-spacing: 0.5px;
}

.badge-extension {
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  border: 1px solid rgba(79, 70, 229, 0.15);
}

.badge-app {
  background: rgba(16, 185, 129, 0.08);
  color: var(--accent);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.badge-agent {
  background: rgba(239, 68, 68, 0.08);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.15);
}

.card h3 {
  font-size: 22px;
  font-weight: 850;
  margin: 0;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
}

.card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
}

.card-link {
  font-size: 14px;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}

.card-link::after {
  content: '→';
  transition: transform 0.15s;
}

.card:hover .card-link::after {
  transform: translateX(4px);
}

/* Footer styling */
footer.site-footer {
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.75);
  border-top: 1px solid var(--line);
  margin-top: auto;
  padding: 32px 24px;
  text-align: center;
}

.footer-content {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-weight: 900;
  font-size: 16px;
}

.footer-copy {
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 768px) {
  header.site-header {
    flex-direction: column;
    gap: 12px;
    border-radius: 16px;
    margin: 12px auto 0;
    width: calc(100% - 24px);
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .footer-content {
    flex-direction: column;
    gap: 16px;
  }
}