/* ==========================================================================
   Calculadora de Colorimetría Capilar y Estilismo Profesional
   Fijate Tools - Estándar Canónico 2026
   ========================================================================== */

:root {
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Paleta base clara */
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-hover: #e2e8f0;
  
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  /* Acentos de peluquería y color */
  --accent-primary: #9333ea;
  --accent-primary-hover: #7e22ce;
  --accent-light: #f3e8ff;
  --accent-glow: rgba(147, 51, 234, 0.15);

  --color-warm: #ea580c;
  --color-cool: #2563eb;
  --color-neutral: #16a34a;

  /* Estados accesibles emparejados (Lección 282) */
  --status-success-bg: #dcfce7;
  --status-success-text: #166534;
  --status-success-border: #86efac;

  --status-warning-bg: #fef3c7;
  --status-warning-text: #92400e;
  --status-warning-border: #fcd34d;

  --status-danger-bg: #fee2e2;
  --status-danger-text: #991b1b;
  --status-danger-border: #fca5a5;

  --status-info-bg: #e0f2fe;
  --status-info-text: #075985;
  --status-info-border: #7dd3fc;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
}

[data-theme="dark"] {
  --bg-primary: #0b0f17;
  --bg-surface: #111827;
  --bg-card: #141e2e;
  --bg-subtle: #1a2638;
  --bg-hover: #223249;

  --border-color: #24354a;
  --border-focus: #60a5fa;

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0b0f17;

  --accent-primary: #c084fc;
  --accent-primary-hover: #d8b4fe;
  --accent-light: rgba(192, 132, 252, 0.15);
  --accent-glow: rgba(192, 132, 252, 0.25);

  --status-success-bg: rgba(34, 197, 94, 0.16);
  --status-success-text: #86efac;
  --status-success-border: rgba(34, 197, 94, 0.3);

  --status-warning-bg: rgba(234, 179, 8, 0.16);
  --status-warning-text: #fde047;
  --status-warning-border: rgba(234, 179, 8, 0.3);

  --status-danger-bg: rgba(239, 68, 68, 0.16);
  --status-danger-text: #fca5a5;
  --status-danger-border: rgba(239, 68, 68, 0.3);

  --status-info-bg: rgba(56, 189, 248, 0.16);
  --status-info-text: #7dd3fc;
  --status-info-border: rgba(56, 189, 248, 0.3);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Reset y Contención */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.brand-title,
.section-title,
.hero-title,
.faq-section-title {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

.mono,
.badge-mono,
code {
  font-family: var(--font-mono);
}

/* Layout Canónico */
.tool-layout {
  max-width: 1200px;
  width: 100%;
  margin: 1.25rem auto 3rem;
  padding: 0 1rem;
  flex: 1;
}

.tool-with-sidebar {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Anuncios */
.tools-ad-banner-section {
  width: 100%;
}
.ad-banner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ad-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}
.ad-banner-card {
  width: 100%;
  min-height: 90px;
  background: var(--bg-subtle);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.tool-ad-sidebar {
  display: none;
}
@media (min-width: 1536px) {
  .tool-ad-sidebar {
    display: block;
    width: 300px;
    flex-shrink: 0;
  }
  .ad-sticky-box {
    position: sticky;
    top: 5rem;
  }
  .ad-unit-card {
    width: 300px;
    min-height: 600px;
    background: var(--bg-subtle);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
}

/* Tarjeta Principal */
.card-main {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .card-main {
    padding: 1.75rem;
  }
}

/* Selector de Pestañas Principales */
.tabs-nav {
  display: flex;
  background: var(--bg-subtle);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  gap: 0.35rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs-nav::-webkit-scrollbar {
  display: none;
}
.tab-btn {
  flex: 1 1 auto;
  min-width: 140px;
  min-height: 42px;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.tab-btn.is-active {
  background: var(--bg-card);
  color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
}

/* Paneles de Contenido */
.tab-panel {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
}
.tab-panel.is-active {
  display: flex;
}

/* Cuadrículas de Diagnóstico */
.hair-calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 992px) {
  .hair-calc-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.input-section-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.section-legend {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.section-legend-icon {
  color: var(--accent-primary);
}

/* Campos de Formulario Responsivos (Norma móvil) */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.label-hint {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* Selectores con Elipsis Obligatoria */
select.form-control {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 42px;
  height: 42px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  padding: 0 2.25rem 0 0.85rem;
  font-family: var(--font-main);
  font-size: 0.92rem;
  color: var(--text-primary);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
select.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
select.form-control option {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

/* Grid Compacto para Opciones */
.options-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}
.options-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.pill-option {
  position: relative;
  display: flex;
}
.pill-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.pill-label {
  flex: 1 1 0%;
  min-width: 0;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.35rem 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.pill-option input[type="radio"]:checked + .pill-label {
  border-color: var(--accent-primary);
  background: var(--accent-light);
  color: var(--accent-primary);
  font-weight: 700;
}

/* Control Deslizante de Canas */
.range-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.form-range {
  flex: 1 1 0%;
  min-width: 0;
  height: 6px;
  accent-color: var(--accent-primary);
  cursor: pointer;
}
.range-val-badge {
  min-width: 58px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* Toggle Checkbox Estilizado */
.checkbox-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.9rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.checkbox-card input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-primary);
  cursor: pointer;
}
.checkbox-title {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
}
.checkbox-desc {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* Panel de Resultados y Fórmulas de Salón */
.output-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  box-shadow: var(--shadow-sm);
}

/* Simulador de Mechón de Cabello Antes y Después */
.hair-strand-preview-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}
.strand-comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.strand-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.strand-title {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.strand-visual {
  width: 100%;
  height: 90px;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2), 0 2px 6px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.3s ease;
}
/* Efecto fibra y brillo de cabello sedoso */
.strand-visual::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.08) 0px,
    rgba(0, 0, 0, 0.08) 2px,
    transparent 4px,
    rgba(255, 255, 255, 0.12) 6px
  );
  pointer-events: none;
}
.strand-visual::after {
  content: '';
  position: absolute;
  top: 15%; bottom: 15%; left: 0; right: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(255, 255, 255, 0.28) 45%,
    rgba(255, 255, 255, 0.35) 50%,
    rgba(255, 255, 255, 0.15) 55%,
    transparent 100%
  );
  pointer-events: none;
}
.strand-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
}

/* Báscula Digital / Bol de Salón */
.mixing-bowl-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.bowl-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.bowl-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.total-weight-badge {
  background: var(--accent-light);
  color: var(--accent-primary);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.92rem;
}

.recipe-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.recipe-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  font-size: 0.88rem;
}
.recipe-item-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.color-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}
.recipe-item-name {
  font-weight: 600;
  color: var(--text-primary);
}
.recipe-item-role {
  font-size: 0.76rem;
  color: var(--text-muted);
}
.recipe-item-grams {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* Alertas de Diagnóstico Accesibles */
.hair-alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  line-height: 1.45;
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}
.hair-alert-icon {
  flex-shrink: 0;
  margin-top: 0.15rem;
}
.hair-alert-warning {
  background: var(--status-warning-bg);
  color: var(--status-warning-text);
  border: 1px solid var(--status-warning-border);
}
.hair-alert-danger {
  background: var(--status-danger-bg);
  color: var(--status-danger-text);
  border: 1px solid var(--status-danger-border);
}
.hair-alert-info {
  background: var(--status-info-bg);
  color: var(--status-info-text);
  border: 1px solid var(--status-info-border);
}

/* Botones de Acción de Salón */
.actions-bar {
  display: flex;
  gap: 0.75rem;
}
.btn-salon-action {
  flex: 1 1 0%;
  min-width: 0;
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-primary);
}
.btn-salon-action:hover {
  background: var(--bg-hover);
}
.btn-salon-primary {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--text-inverse);
}
.btn-salon-primary:hover {
  background: var(--accent-primary-hover);
}

/* ==========================================================================
   Pestaña 2: Círculo de Oswald y Fondos de Decoloración
   ========================================================================== */
.oswald-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 900px) {
  .oswald-layout-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.oswald-wheel-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  gap: 1rem;
}
.oswald-svg-box {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1 / 1;
}

.oswald-sector {
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
  stroke: var(--bg-card);
  stroke-width: 3px;
}
.oswald-sector:hover,
.oswald-sector.is-selected {
  transform: scale(1.04);
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.25));
}

.oswald-details-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

/* Tabla de Fondos de Decoloración */
.table-responsive-box {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}
.salon-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  text-align: left;
}
.salon-table th {
  background: var(--bg-subtle);
  padding: 0.65rem 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}
.salon-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}
.salon-table tr:last-child td {
  border-bottom: none;
}
.salon-table tr.is-highlighted {
  background: var(--accent-light);
}

/* ==========================================================================
   Pestaña 3: Mezclador de Oxigenadas (Cruz de San Andrés)
   ========================================================================== */
.aligation-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.aligation-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .aligation-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.aligation-visual-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}
.cross-schematic {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: auto auto auto;
  gap: 0.5rem;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 320px;
}
.cross-val {
  padding: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
}
.cross-center {
  padding: 0.75rem 0.5rem;
  background: var(--accent-light);
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.1rem;
}
.cross-arm {
  font-size: 1.2rem;
  color: var(--text-muted);
}

/* Modales Canónicos Accesibles */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}
.modal-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}
.modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.modal-header {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.btn-modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  display: flex;
}
.btn-modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.modal-body {
  padding: 1.25rem;
  overflow-y: auto;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.modal-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background: var(--bg-subtle);
}

/* Sección SEO Editorial */
.seo-guide-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.seo-heading {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
}
.seo-subheading {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 0.5rem;
}
.seo-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.seo-faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 768px) {
  .seo-faq-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.faq-card {
  padding: 1.1rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}
.faq-q {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}
.faq-a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.45;
}