/* ===== Toolyfix Design System ===== */

:root {
  --bg: #F7F7F4;
  --surface: #FFFFFF;
  --ink: #1A1A1A;
  --ink-soft: #55585E;
  --border: #E4E2DB;
  --primary: #1D3557;
  --primary-dark: #14263F;
  --accent: #E9A93B;
  --accent-soft: #FBEBC9;
  --success: #3A7D5C;
  --radius: 10px;
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .brand-word {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.85rem); }
h3 { font-size: 1.15rem; }

p { color: var(--ink-soft); max-width: 68ch; }

a { color: var(--primary); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-link img {
  height: 32px;
  width: auto;
  display: block;
}

.header-tagline {
  color: var(--ink-soft);
  font-size: 0.9rem;
  display: none;
}

@media (min-width: 640px) {
  .header-tagline { display: block; }
}

/* ---- Buttons & inputs ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius);
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

textarea, input[type="text"], input[type="number"] {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  background: var(--surface);
  color: var(--ink);
}

textarea:focus, input:focus, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---- Homepage hero ---- */
.hero {
  padding: 64px 0 40px;
}

.hero p { font-size: 1.1rem; }

/* ---- Tool grid ---- */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  padding: 8px 0 64px;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: var(--ink);
  display: block;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.tool-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.tool-card .tool-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 1.3rem;
}

.tool-card h3 { margin-bottom: 6px; }
.tool-card p { font-size: 0.9rem; margin: 0; }

.category-label {
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin: 40px 0 4px;
}

/* ---- Tool page layout ---- */
.tool-page { padding: 48px 0 72px; }
.tool-page .breadcrumb {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 20px;
}
.tool-page .breadcrumb a { color: var(--ink-soft); }

.tool-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin: 28px 0;
}

.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.stat {
  min-width: 100px;
}

.stat .value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--primary);
  display: block;
}

.stat .label {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
  align-items: center;
}

.explainer {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 40px;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-footer img { height: 24px; opacity: 0.85; }

.site-footer .footer-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}