/* Clean, modern tool site inspired by ihatepdf.in style */
:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: var(--shadow);
}

header .brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
  text-decoration: none;
  letter-spacing: -0.5px;
}
header .brand span {
  color: var(--accent);
}

header nav {
  margin-top: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

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

header nav a:hover { color: var(--accent); }

main { max-width: 1100px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }

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

.hero h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #0f172a;
}

.hero p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

h2.section {
  font-size: 1.35rem;
  margin: 2.5rem 0 1rem;
  color: #0f172a;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
  padding-bottom: 0.25rem;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.35rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: all 0.2s ease;
  box-shadow: var(--shadow);
}

.tool-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.12);
}

.tool-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: #0f172a;
}

.tool-card p {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0;
}

.tool-card .badge {
  display: inline-block;
  font-size: 0.7rem;
  background: #dbeafe;
  color: var(--accent);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

footer {
  text-align: center;
  padding: 2.5rem 1rem 2rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  background: #fff;
  margin-top: 3rem;
}
.footer-links {
  margin-bottom: 0.75rem;
}
.footer-links a {
  color: var(--muted);
  text-decoration: none;
  margin: 0 0.75rem;
  font-size: 0.9rem;
}
.footer-links a:hover { color: var(--accent); }

/* Tool page styles */
.tool-page main { max-width: 720px; }
.tool-page .tool-card {
  margin-bottom: 1.5rem;
  padding: 1.5rem;
}

.tool-page h1 { font-size: 1.75rem; margin-bottom: 0.5rem; }
.tool-page label { display: block; margin: 0.9rem 0 0.3rem; font-weight: 500; }
.tool-page input, .tool-page select, .tool-page textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
}
.tool-page textarea { min-height: 120px; font-family: ui-monospace, monospace; resize: vertical; }
.tool-page button, .tool-page .btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.7rem 1.3rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  margin-top: 1rem;
  margin-right: 0.5rem;
}
.tool-page button:hover { background: var(--accent-hover); }
.tool-page .result {
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
}
.tool-page .result strong { color: #15803d; }
.tool-page .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .tool-page .grid-2 { grid-template-columns: 1fr; } }