@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary: #0f172a;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --text-main: #334155;
  --text-muted: #64748b;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.brand-logo {
  width: 28px;
  height: 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

/* Replace the previous .brand-logo styles with this: */
.brand-logo-img {
  height: 32px; /* Adjust height to fit your logo aspect ratio */
  width: auto;
  display: block;
}

.brand-name {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary);
  letter-spacing: -0.02em;
}

nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

nav a:hover, nav a.active {
  color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff !important;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: background 0.2s ease;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

main {
  flex: 1;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.page-header {
  margin-bottom: 2.5rem;
  text-align: center;
}

.page-header h1 {
  font-size: 2.25rem;
  color: var(--primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.card h3 {
  color: var(--primary);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

footer {
  background: var(--primary);
  color: #94a3b8;
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
}

.footer-content a {
  color: #60a5fa;
  text-decoration: none;
}

@media (max-width: 640px) {
  header {
    flex-direction: column;
    gap: 1rem;
  }
  nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}