/* Context Hints — shared design system */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #fff;
  color: #0A0E1A;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.5;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font-family: inherit; }

:root {
  --brand: #0084FF;
  --brand-soft: #319AFF;
  --brand-pale: #60B1FF;
  --ink: #0A0E1A;
  --ink-2: #2A2F3A;
  --muted: #5A6171;
  --line: rgba(10, 14, 26, 0.08);
  --bg-soft: #F4F8FF;
  --star: #FF801E;
}

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 28px; }
.container-narrow { max-width: 820px; }

/* ===== Navbar ===== */
.nav-wrap {
  position: sticky; top: 30px; z-index: 100;
  display: flex; justify-content: center; padding: 0 16px;
}
.nav {
  display: flex; align-items: center; gap: 28px;
  padding: 10px 12px 10px 22px;
  border-radius: 16px;
  background: rgba(255,255,255,0.30);
  -webkit-backdrop-filter: blur(50px);
  backdrop-filter: blur(50px);
  border: 1px solid rgba(0,0,0,0.1);
  box-shadow: inset 0 4px 4px 0 rgba(255,255,255,0.25), 0 8px 32px rgba(10,14,26,0.04);
}
.brand {
  font-family: 'Fustat', sans-serif;
  font-weight: 800; font-size: 22px; letter-spacing: -0.6px;
  display: flex; align-items: center; gap: 8px;
}
.brand-mark { width: 22px; height: 22px; }
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; }
.nav-links a {
  font-weight: 500; font-size: 14.5px; color: var(--ink-2);
  letter-spacing: -0.2px; transition: color .2s;
}
.nav-links a:hover { color: var(--brand); }
.nav-links a.active { color: var(--brand); }
.nav-links a.pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 132, 255, 0.10);
  color: var(--brand);
  border: 1px solid rgba(0, 132, 255, 0.18);
  transition: background .2s, transform .2s;
}
.nav-links a.pill:hover {
  background: rgba(0, 132, 255, 0.18);
  transform: translateY(-1px);
  color: var(--brand);
}
.nav-links a.pill.active {
  background: rgba(0, 132, 255, 0.18);
  color: var(--brand);
}
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px 9px 16px;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  font-weight: 600; font-size: 14px; color: var(--ink);
  letter-spacing: -0.2px;
  box-shadow: inset 0 4px 4px 0 rgba(255,255,255,0.25);
  transition: transform .2s, background .2s;
}
.nav-cta:hover { background: rgba(255,255,255,0.85); transform: translateY(-1px); }
.nav-cta svg { width: 14px; height: 14px; }
@media (max-width: 820px) { .nav { gap: 14px; padding: 8px 8px 8px 16px; } .nav-links { display: none; } }

/* ===== Header / page hero ===== */
.page-hero {
  position: relative;
  padding: 120px 0 60px;
  overflow: hidden;
}
.page-hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.glow { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.45; }
.glow-1 { width: 600px; height: 600px; top: -220px; left: -180px; background: #60B1FF; }
.glow-2 { width: 460px; height: 460px; top: -100px; left: 100px; background: #319AFF; opacity: 0.3; }

.page-hero .container { position: relative; z-index: 1; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(0,132,255,0.08); color: var(--brand);
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.4px; text-transform: uppercase;
  margin-bottom: 16px;
}
.eyebrow::before { content: ''; width: 6px; height: 6px; background: var(--brand); border-radius: 50%; }

h1.page-h1 {
  font-family: 'Fustat', sans-serif;
  font-weight: 700; font-size: 56px;
  line-height: 1.05; letter-spacing: -1.6px;
  color: var(--ink); margin-bottom: 18px;
  max-width: 820px;
}
@media (max-width: 720px) { h1.page-h1 { font-size: 40px; letter-spacing: -1px; } }

.page-lead {
  font-size: 18px; line-height: 1.6;
  color: var(--muted); max-width: 680px;
  letter-spacing: -0.3px;
}

/* ===== Buttons ===== */
.cta-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 16px 13px 22px;
  background: rgba(0,132,255,0.85);
  color: #fff; font-weight: 600; font-size: 15px;
  letter-spacing: -0.3px; border-radius: 14px;
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
  box-shadow: inset 0 4px 4px 0 rgba(255,255,255,0.35), 0 10px 30px rgba(0,132,255,0.3);
  transition: transform .25s, box-shadow .25s;
  border: 0; cursor: pointer;
}
.cta-primary:hover { transform: scale(1.02); }
.cta-arrow { width: 26px; height: 26px; border-radius: 50%; background: #fff; display: inline-flex; align-items: center; justify-content: center; }
.cta-arrow svg { width: 13px; height: 13px; color: var(--brand); }
.cta-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(10,14,26,0.08);
  border-radius: 13px;
  font-weight: 500; font-size: 14px; color: var(--ink);
  cursor: pointer;
}
.cta-secondary:hover { background: rgba(255,255,255,0.85); }

/* ===== Tool cards & forms ===== */
.tool-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 36px;
  box-shadow: 0 20px 60px rgba(10,14,26,0.06);
}
@media (max-width: 560px) { .tool-card { padding: 24px; border-radius: 18px; } }

.field { margin-bottom: 20px; }
.field label {
  display: block; margin-bottom: 8px;
  font-weight: 600; font-size: 14px;
  color: var(--ink); letter-spacing: -0.1px;
}
.field .hint {
  font-size: 13px; color: var(--muted);
  margin-top: 6px; line-height: 1.5;
}
.input, .textarea, .select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font-size: 15px; color: var(--ink);
  letter-spacing: -0.1px;
  transition: border .2s, box-shadow .2s;
}
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(0,132,255,0.12);
}
.textarea { min-height: 110px; resize: vertical; line-height: 1.55; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .row-2, .row-3 { grid-template-columns: 1fr; } }

/* ===== Result blocks ===== */
.result-block {
  margin-top: 28px;
  padding: 28px;
  background: linear-gradient(180deg, rgba(0,132,255,0.04) 0%, rgba(0,132,255,0.01) 100%);
  border: 1px solid rgba(0,132,255,0.18);
  border-radius: 18px;
}
.result-block h3 {
  font-family: 'Fustat', sans-serif;
  font-weight: 700; font-size: 18px;
  letter-spacing: -0.3px;
  margin-bottom: 16px;
}
.result-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px; margin-bottom: 16px;
}
@media (max-width: 640px) { .result-grid { grid-template-columns: 1fr 1fr; } }
.result-stat {
  padding: 16px; background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.result-stat .num {
  font-family: 'Fustat', sans-serif;
  font-weight: 700; font-size: 26px;
  letter-spacing: -0.7px;
  background: linear-gradient(135deg, #0084FF 0%, #319AFF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1.1;
}
.result-stat .label {
  font-size: 12.5px; color: var(--muted);
  margin-top: 6px; line-height: 1.45;
}
.result-pre {
  font-family: 'SF Mono', 'JetBrains Mono', Menlo, monospace;
  background: #0A0E1A; color: #E9EEFB;
  padding: 20px; border-radius: 14px;
  font-size: 13.5px; line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap; word-break: break-word;
  position: relative;
}
.copy-btn {
  position: absolute; top: 12px; right: 12px;
  padding: 6px 10px; border-radius: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #E9EEFB; font-size: 12px; font-weight: 500;
  cursor: pointer; transition: background .2s;
}
.copy-btn:hover { background: rgba(255,255,255,0.18); }
.copy-btn.copied { background: rgba(34,197,94,0.25); border-color: rgba(34,197,94,0.4); }

/* ===== Footer ===== */
footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--line);
  background: #fff;
  margin-top: 80px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-col h5 {
  font-family: 'Fustat', sans-serif;
  font-size: 14px; font-weight: 700;
  letter-spacing: -0.2px;
  margin-bottom: 16px; color: var(--ink);
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: var(--muted); font-size: 14px;
  transition: color .2s;
}
.footer-col a:hover { color: var(--brand); }
.footer-brand { font-size: 14px; color: var(--muted); max-width: 320px; margin-top: 14px; line-height: 1.6; }
.footer-bottom {
  padding-top: 28px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--muted);
  flex-wrap: wrap; gap: 12px;
}

/* Tools index grid */
.tools-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; margin-top: 40px;
}
@media (max-width: 980px) { .tools-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .tools-grid { grid-template-columns: 1fr; } }
.tools-grid a.tile {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.tools-grid a.tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 60px rgba(10,14,26,0.08);
  border-color: rgba(0,132,255,0.25);
}
.tile-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #E8F2FF, #D6E9FF);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.tile-icon svg { width: 22px; height: 22px; color: var(--brand); }
.tile h3 {
  font-family: 'Fustat', sans-serif;
  font-weight: 700; font-size: 20px;
  letter-spacing: -0.4px; margin-bottom: 8px;
}
.tile p { font-size: 14.5px; color: var(--muted); line-height: 1.55; }
.tile .arrow {
  margin-top: 18px; display: inline-flex; align-items: center;
  gap: 6px; color: var(--brand); font-size: 14px; font-weight: 600;
}