/* ============================================================
 * roi-calculator-page.css — S274bis
 * Standalone ROI calculator pages — lead-magnet design.
 * Used on /tools/calculator-*.html
 * ============================================================ */

:root {
  --calc-primary: #4FBAF1;
  --calc-primary-dark: #2a8cb8;
  --calc-success: var(--success-deep, #0c7f3c);
  --calc-danger: var(--danger, #d9480f);
  --calc-bg: #f7f9fc;
  --calc-card-bg: #ffffff;
  --calc-text: #1a1a1a;
  --calc-text-secondary: #555;
  --calc-border: rgba(0, 0, 0, 0.08);
}

body.calc-page {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--calc-bg);
  color: var(--calc-text);
  line-height: 1.55;
  margin: 0;
}

.calc-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem 1.5rem;
}

.calc-hero {
  text-align: center;
  padding: 3rem 0 2rem 0;
}

.calc-hero h1 {
  font-size: 2.2rem;
  margin: 0 0 0.75rem 0;
  color: var(--calc-text);
  line-height: 1.2;
}

.calc-hero .calc-subtitle {
  font-size: 1.1rem;
  color: var(--calc-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

.calc-hero .calc-eyebrow {
  display: inline-block;
  background: linear-gradient(135deg, var(--calc-primary) 0%, var(--calc-primary-dark) 100%);
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.9rem;
  border-radius: 16px;
  margin-bottom: 1rem;
}

.calc-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .calc-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .calc-hero h1 { font-size: 1.6rem; }
}

.calc-form-card,
.calc-result-card {
  background: var(--calc-card-bg);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--calc-border);
}

.calc-form-card h2,
.calc-result-card h2 {
  margin: 0 0 1.5rem 0;
  font-size: 1.3rem;
  color: var(--calc-text);
}

.calc-field {
  margin-bottom: 1.25rem;
}

.calc-field label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 0.4rem;
  color: var(--calc-text);
}

.calc-field .calc-hint {
  font-size: 0.82rem;
  color: var(--calc-text-secondary);
  margin-top: 0.3rem;
}

.calc-field input[type="number"],
.calc-field input[type="text"],
.calc-field select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-size: 1rem;
  border: 1.5px solid var(--calc-border);
  border-radius: 8px;
  background: #fff;
  color: var(--calc-text);
  transition: border-color 0.15s ease;
  box-sizing: border-box;
}

.calc-field input:focus,
.calc-field select:focus {
  outline: none;
  border-color: var(--calc-primary);
  box-shadow: 0 0 0 3px rgba(79, 186, 241, 0.12);
}

.calc-result-card {
  background: linear-gradient(135deg, #f0f9ff 0%, #e6f4ff 100%);
  border-color: rgba(79, 186, 241, 0.2);
}

.calc-result-main {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--calc-success);
  line-height: 1;
  margin: 0 0 0.5rem 0;
  font-variant-numeric: tabular-nums;
}

.calc-result-label {
  font-size: 0.95rem;
  color: var(--calc-text-secondary);
  margin-bottom: 1.5rem;
}

.calc-breakdown {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.calc-breakdown-item {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.calc-breakdown-item:last-child { border-bottom: none; font-weight: 700; }

.calc-breakdown-item span:first-child { color: var(--calc-text-secondary); }

.calc-cta {
  display: block;
  width: 100%;
  padding: 0.95rem 1.5rem;
  background: linear-gradient(135deg, var(--calc-primary) 0%, var(--calc-primary-dark) 100%);
  color: white;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  text-align: center;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-sizing: border-box;
}

.calc-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(79, 186, 241, 0.3);
}

.calc-disclaimer {
  font-size: 0.78rem;
  color: var(--calc-text-secondary);
  text-align: center;
  margin-top: 1.5rem;
  padding: 0 1rem;
}

.calc-nav {
  padding: 1rem 1.5rem;
  background: white;
  border-bottom: 1px solid var(--calc-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc-nav a {
  color: var(--calc-primary-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.calc-nav a:hover { text-decoration: underline; }

.calc-footer-related {
  margin-top: 3rem;
  padding: 2rem;
  background: white;
  border-radius: 16px;
  border: 1px solid var(--calc-border);
  text-align: center;
}

.calc-footer-related h3 { margin-top: 0; font-size: 1.1rem; }

.calc-footer-related .calc-related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.calc-footer-related .calc-related-links a {
  padding: 0.5rem 1rem;
  border: 1px solid var(--calc-primary);
  color: var(--calc-primary-dark);
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.88rem;
  transition: background 0.15s ease;
}

.calc-footer-related .calc-related-links a:hover {
  background: var(--calc-primary);
  color: white;
}

/* WCAG 2.4.1 — Skip Link (Bypass Blocks, Level A) */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--calc-primary, #4FBAF1);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  z-index: 10000;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 1rem;
  outline: 3px solid #fff;
  outline-offset: 2px;
}
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.visually-hidden:focus {
  position: static !important;
  width: auto !important;
  height: auto !important;
  margin: 0 !important;
  overflow: visible !important;
  clip: auto !important;
  white-space: normal !important;
}