/* ClaroUtil — Global Styles */
:root {
  --blue: #3B82F6;
  --blue-dark: #1D4ED8;
  --blue-soft: #DBEAFE;
  --amber: #F59E0B;
  --amber-soft: #FEF3C7;
  --navy: #0F172A;
  --text: #1E293B;
  --text-secondary: #64748B;
  --text-tertiary: #94A3B8;
  --bg-page: linear-gradient(180deg, #F8FBFF 0%, #FFFCF5 100%);
  --bg-surface: rgba(255,255,255,0.92);
  --bg-subtle: #F8FAFC;
  --border: #DCE6F2;
  --border-subtle: #EAF0F7;
  --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 18px 45px rgba(15, 23, 42, 0.1);
  --radius-4: 4px;
  --radius-8: 8px;
  --radius-12: 12px;
  --radius-18: 18px;
  --radius-24: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, sans-serif;
  margin: 0;
  padding: 0;
  background: var(--bg-page);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: none; }

.cu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 26px;
  background: rgba(255,255,255,0.8);
  border-bottom: 1px solid rgba(220,230,242,0.8);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 18px rgba(15, 23, 42, 0.04);
}
.cu-logo { display: flex; align-items: center; text-decoration: none; }
.cu-logo img {
  height: 88px;
  width: auto;
  display: block;
  filter: drop-shadow(0 8px 22px rgba(59,130,246,0.10));
}
.cu-logo:hover { text-decoration: none; }

.cu-nav { display: flex; gap: 10px; font-size: 14px; }
.cu-nav a {
  color: var(--text-secondary);
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 600;
  transition: all 0.15s ease;
}
.cu-nav a:hover, .cu-nav a.active {
  color: var(--blue-dark);
  background: var(--blue-soft);
}

.container { max-width: 980px; margin: 0 auto; padding: 24px; }

.cu-hero {
  max-width: 1120px;
  margin: 28px auto 8px;
  padding: 74px 24px 46px;
  text-align: center;
  position: relative;
}
.cu-hero::before {
  content: "";
  position: absolute;
  inset: 0 20px;
  border-radius: 32px;
  background:
    radial-gradient(circle at top left, rgba(59,130,246,0.18), transparent 36%),
    radial-gradient(circle at top right, rgba(245,158,11,0.18), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,0.88), rgba(255,255,255,0.72));
  border: 1px solid rgba(255,255,255,0.8);
  box-shadow: var(--shadow-md);
  z-index: -1;
}
.cu-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-soft), var(--amber-soft));
  color: var(--navy);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2px;
  margin-bottom: 18px;
}
.cu-hero h1 {
  font-size: 48px;
  margin: 0 0 14px;
  color: var(--navy);
  font-weight: 800;
  letter-spacing: -1px;
}
.cu-hero p {
  font-size: 18px;
  color: var(--text-secondary);
  margin: 0 auto;
  max-width: 720px;
}

.cu-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  padding: 32px 24px 46px;
  max-width: 1120px;
  margin: 0 auto;
}
.cu-tool-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(248,250,252,0.92));
  border: 1px solid var(--border);
  border-radius: var(--radius-24);
  padding: 24px 20px;
  transition: all 0.18s ease;
  color: inherit;
  display: block;
  box-shadow: var(--shadow-sm);
}
.cu-tool-card:hover {
  border-color: rgba(59,130,246,0.32);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.cu-tool-icon {
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 14px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(59,130,246,0.12), rgba(245,158,11,0.16));
}
.cu-tool-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.cu-tool-desc { font-size: 14px; color: var(--text-secondary); }

.cu-tool-page,
.cu-legal {
  max-width: 760px;
  margin: 32px auto;
  padding: 34px 26px 42px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(220,230,242,0.85);
  border-radius: 28px;
  box-shadow: var(--shadow-md);
}
.cu-tool-page h1, .cu-tool-page h2 {
  font-size: 32px;
  margin: 0 0 10px;
  color: var(--navy);
  font-weight: 800;
  letter-spacing: -0.5px;
}
.cu-tool-page .subtitle {
  color: var(--text-secondary);
  font-size: 16px;
  margin: 0 0 28px;
}
.cu-back {
  display: inline-block;
  color: var(--blue-dark);
  font-size: 14px;
  margin-bottom: 18px;
  font-weight: 600;
}

.cu-input-group { margin-bottom: 16px; }
.cu-input-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.cu-input-group input,
.cu-input-group select,
.cu-input-group textarea {
  width: 100%;
  padding: 14px 15px;
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: 15px;
  font-family: inherit;
  background: rgba(248,250,252,0.95);
  color: var(--text);
  transition: all 0.15s ease;
}
.cu-input-group input:focus,
.cu-input-group select:focus,
.cu-input-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: white;
  box-shadow: 0 0 0 4px rgba(59,130,246,0.12);
}
.cu-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.cu-btn {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: white;
  border: none;
  padding: 13px 22px;
  border-radius: 16px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 12px 24px rgba(59,130,246,0.2);
}
.cu-btn:hover { filter: brightness(1.03); }
.cu-btn-outline {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 14px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
}
.cu-btn-outline:hover { border-color: var(--blue); color: var(--blue-dark); }
.cu-btn-outline.active {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: white;
  border-color: transparent;
}
.cu-tabs { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }

.cu-result {
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(245,158,11,0.08));
  border: 1px solid rgba(59,130,246,0.14);
  padding: 22px;
  border-radius: 22px;
  margin-top: 20px;
}
.cu-result-big {
  font-size: 34px;
  font-weight: 800;
  color: var(--blue-dark);
  margin: 6px 0;
}
.cu-result-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 700;
}
.cu-result-note {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.cu-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 16px;
}
.cu-stat {
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(248,250,252,0.92));
  border: 1px solid var(--border);
  padding: 16px 12px;
  border-radius: 18px;
  text-align: center;
}
.cu-stat-num { font-size: 24px; font-weight: 800; color: var(--blue-dark); }
.cu-stat-lbl {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-top: 4px;
}

.cu-disclaimer {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 24px;
  padding: 16px 18px;
  background: rgba(248,250,252,0.92);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  line-height: 1.55;
}

.cu-output-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}
.cu-output-item {
  background: rgba(248,250,252,0.95);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
}
.cu-output-item strong {
  display: block;
  color: var(--navy);
  margin-bottom: 6px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.cu-output-text {
  font-size: 16px;
  color: var(--text);
  word-break: break-word;
}

.cu-legal h1 { font-size: 34px; margin: 0 0 8px; color: var(--navy); }
.cu-legal .updated { color: var(--text-tertiary); font-size: 13px; margin: 0 0 26px; }
.cu-legal h2 {
  font-size: 21px;
  margin: 28px 0 12px;
  color: var(--navy);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}
.cu-legal p, .cu-legal ul li { font-size: 15px; }
.cu-legal ul { padding-left: 20px; }

.cu-footer {
  border-top: 1px solid rgba(220,230,242,0.8);
  padding: 34px 24px 42px;
  font-size: 13px;
  color: var(--text-tertiary);
  text-align: center;
  background: rgba(255,255,255,0.72);
  margin-top: 44px;
}
.cu-footer a { color: var(--text-secondary); margin: 0 6px; font-weight: 600; }
.cu-footer .row-copy { margin-bottom: 8px; }

@media (max-width: 760px) {
  .cu-logo img { height: 70px; }
  .cu-hero { padding: 38px 18px 24px; margin-top: 18px; }
  .cu-hero::before { inset: 0; border-radius: 26px; }
  .cu-hero h1 { font-size: 34px; }
  .cu-hero p { font-size: 16px; }
  .cu-tool-page, .cu-legal { margin: 20px 14px; padding: 24px 16px 30px; border-radius: 24px; }
  .cu-tool-page h1, .cu-tool-page h2 { font-size: 26px; }
}

@media (max-width: 640px) {
  .cu-header { padding: 12px 14px; }
  .cu-logo img { height: 62px; }
  .cu-nav { gap: 4px; }
  .cu-nav a { padding: 8px 10px; font-size: 13px; }
  .cu-tools-grid { padding: 22px 14px 32px; grid-template-columns: 1fr; gap: 14px; }
  .cu-tool-card { padding: 20px 16px; }
  .cu-tool-icon { width: 54px; height: 54px; font-size: 28px; }
  .cu-row { grid-template-columns: 1fr; gap: 8px; }
  .cu-stats { grid-template-columns: repeat(2, 1fr); }
}