/* ============================================================
   styles.css — Estilos principales del cotizador LUM360 × SpyBee
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-dark);
  background: var(--color-bg-section);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

ul, ol { list-style: none; }

/* === Container === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.header-scrolled {
  background: rgba(10, 10, 10, 0.97);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-brand img {
  height: 32px;
  width: auto;
}

.header-brand-divider {
  width: 1px;
  height: 28px;
  background: var(--color-border);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header-nav a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.header-nav a:hover {
  color: var(--color-text);
}

.btn-header-cta {
  height: 36px;
  padding: 0 20px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-primary-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.btn-header-cta:hover {
  background: var(--color-primary-hover);
  transform: scale(1.02);
}

/* === Hero Section === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--section-hero-bg);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding: var(--space-20) 0;
}

.hero-text {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(254, 197, 16, 0.12);
  border: 1px solid rgba(254, 197, 16, 0.2);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-6);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.hero-title em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: var(--btn-height);
  padding: 0 32px;
  border-radius: var(--btn-radius);
  background: var(--color-primary);
  color: var(--color-primary-text);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: var(--btn-height);
  padding: 0 32px;
  border-radius: var(--btn-radius);
  background: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background: rgba(254, 197, 16, 0.08);
}

.hero-note {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  line-height: var(--leading-relaxed);
  max-width: 480px;
}

/* === Hero Visual === */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1;
}

.hero-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(254, 197, 16, 0.15);
  animation: hero-pulse 4s ease-in-out infinite;
}

.hero-ring:nth-child(2) {
  inset: 12%;
  animation-delay: 1s;
  border-color: rgba(254, 197, 16, 0.10);
}

.hero-ring:nth-child(3) {
  inset: 24%;
  animation-delay: 2s;
  border-color: rgba(254, 197, 16, 0.06);
}

.hero-center-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px rgba(254, 197, 16, 0.3);
}

@keyframes hero-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.7; }
}

.hero-indicators {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-4);
}

.hero-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.hero-indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* === Section Styles === */
.section {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-16);
}

.section-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text-dark);
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-lg);
  color: var(--color-text-dark-secondary);
  line-height: var(--leading-relaxed);
}

/* === Services Section === */
.services {
  background: var(--color-bg);
}

.services .section-title,
.services .section-desc {
  color: var(--color-text);
}

.services .section-desc {
  color: var(--color-text-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.service-card {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: var(--blur-md);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.service-card:hover {
  border-color: rgba(254, 197, 16, 0.3);
  transform: translateY(-2px);
}

.service-card-full {
  grid-column: 1 / -1;
}

.service-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(254, 197, 16, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: 20px;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.service-card p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

/* === Calculator Section === */
.calculator {
  background: var(--section-calculator-bg);
}

.calculator-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-10);
  align-items: start;
}

/* Form Styles */
.calc-form {
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.calc-progress {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.calc-progress-step {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--color-neutral-200);
  transition: background var(--transition-base);
}

.calc-progress-step.active {
  background: var(--color-primary);
}

.calc-progress-step.done {
  background: var(--color-success);
}

.calc-step-indicator {
  font-size: var(--text-xs);
  color: var(--color-text-dark-secondary);
  margin-bottom: var(--space-6);
  font-weight: var(--weight-medium);
}

.calc-step {
  display: none;
}

.calc-step.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.calc-step-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text-dark);
  margin-bottom: var(--space-2);
}

.calc-step-desc {
  font-size: var(--text-sm);
  color: var(--color-text-dark-secondary);
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-dark);
  margin-bottom: var(--space-2);
}

.form-label-hint {
  font-weight: var(--weight-normal);
  color: var(--color-text-dark-secondary);
  font-size: var(--text-xs);
}

.form-input,
.form-select {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-4);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-text-dark);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(254, 197, 16, 0.12);
}

textarea.form-input {
  height: auto;
  min-height: 80px;
  padding: var(--space-3) var(--space-4);
  resize: vertical;
}

.form-input.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px var(--color-error-bg);
}

.form-input::placeholder {
  color: var(--color-neutral-400);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-row-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.form-actions {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-neutral-200);
}

.btn-next {
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-primary-text);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  transition: background var(--transition-fast);
}

.btn-next:hover {
  background: var(--color-primary-hover);
}

.btn-prev {
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-full);
  background: transparent;
  border: 1px solid var(--color-neutral-300);
  color: var(--color-text-dark-secondary);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast);
}

.btn-prev:hover {
  border-color: var(--color-text-dark);
}

/* Radio card options */
.radio-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3);
}

.radio-card {
  position: relative;
  padding: var(--space-4);
  border: 2px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.radio-card:hover {
  border-color: var(--color-primary);
}

.radio-card.selected {
  border-color: var(--color-primary);
  background: rgba(254, 197, 16, 0.06);
}

.radio-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-card-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-dark);
}

.radio-card-desc {
  font-size: var(--text-xs);
  color: var(--color-text-dark-secondary);
  margin-top: var(--space-1);
}

/* Checkbox */
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
}

/* === Summary Panel === */
.calc-summary {
  position: sticky;
  top: calc(var(--header-height) + var(--space-6));
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
}

.calc-summary-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.calc-summary-empty {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  text-align: center;
  padding: var(--space-8) 0;
}

.calc-summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: var(--text-sm);
}

.calc-summary-item:last-child {
  border-bottom: none;
}

.calc-summary-item-label {
  color: var(--color-text-secondary);
}

.calc-summary-item-value {
  color: var(--color-text);
  font-weight: var(--weight-medium);
}

.calc-summary-total {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-primary);
}

.calc-summary-total .calc-summary-item-label {
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

.calc-summary-total .calc-summary-item-value {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
}

/* === Result Section === */
.calc-result {
  display: none;
  padding: var(--space-8);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.calc-result.show {
  display: block;
  animation: fadeIn 0.4s ease;
}

.result-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.result-folio {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
  margin-bottom: var(--space-2);
}

.result-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
}

.result-range {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-6) 0;
}

.result-range-amount {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
}

.result-range-sep {
  font-size: var(--text-2xl);
  color: var(--color-text-tertiary);
}

.result-range-label {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.result-confidence {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
}

.result-confidence.alto {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.result-confidence.medio {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.result-confidence.bajo {
  background: var(--color-error-bg);
  color: var(--color-error);
}

.result-demo-alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(254, 197, 16, 0.1);
  border: 1px solid rgba(254, 197, 16, 0.2);
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-align: center;
  margin: var(--space-6) 0;
}

.result-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.result-detail-card {
  padding: var(--space-4);
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.result-detail-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
}

.result-detail-value {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

.result-assumptions {
  margin: var(--space-8) 0;
}

.result-assumptions h4,
.result-exclusions h4 {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.result-assumptions ul,
.result-exclusions ul {
  list-style: disc;
  padding-left: var(--space-5);
}

.result-assumptions li,
.result-exclusions li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}

.result-legal {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  line-height: var(--leading-relaxed);
  margin: var(--space-6) 0;
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  margin-top: var(--space-8);
}

.result-actions .btn-primary {
  min-width: 280px;
}

/* === Methodology Section === */
.methodology {
  background: var(--color-bg-section-alt);
}

.methodology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  counter-reset: methodology-counter;
}

.methodology-item {
  text-align: center;
  padding: var(--space-6);
  counter-increment: methodology-counter;
}

.methodology-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-primary-text);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.methodology-item h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-text-dark);
}

.methodology-item p {
  font-size: var(--text-sm);
  color: var(--color-text-dark-secondary);
  line-height: var(--leading-relaxed);
}

/* === FAQ Section === */
.faq {
  background: var(--color-bg-section);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-neutral-200);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) 0;
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-dark);
  text-align: left;
  background: none;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer-inner {
  padding-bottom: var(--space-5);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-dark-secondary);
}

/* === CTA Final === */
.cta-final {
  background: var(--color-bg);
  padding: var(--space-16) 0;
}

.cta-card {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-10);
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--card-border);
  backdrop-filter: var(--blur-md);
  text-align: center;
  box-shadow: var(--shadow-glow);
}

.cta-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(254, 197, 16, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  font-size: 28px;
}

.cta-card h2 {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: var(--leading-tight);
}

.cta-card p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-card .form-group {
  text-align: left;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-card .form-input {
  background: rgba(255,255,255,0.06);
  border-color: var(--color-border);
  color: var(--color-text);
}

.cta-card .form-input::placeholder {
  color: var(--color-text-tertiary);
}

.cta-card .form-input:focus {
  border-color: var(--color-primary);
  background: rgba(255,255,255,0.08);
}

.cta-card .form-label {
  color: var(--color-text-secondary);
}

/* === Footer === */
.footer {
  background: var(--color-neutral-900);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand img {
  height: 28px;
  width: auto;
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  line-height: var(--leading-relaxed);
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.footer-col a,
.footer-col p {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  line-height: 2;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-primary);
}

/* === Skip Link === */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 1000;
  padding: 8px 16px;
  background: var(--color-primary);
  color: var(--color-primary-text);
  font-weight: var(--weight-semibold);
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

/* === Demo Mode Banner === */
.demo-banner {
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 10px,
    rgba(254, 197, 16, 0.06) 10px,
    rgba(254, 197, 16, 0.06) 20px
  );
  border-bottom: 1px solid rgba(254, 197, 16, 0.2);
  text-align: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: var(--weight-medium);
}

/* === Tabs (cobertura selector) === */
.tab-group {
  display: flex;
  gap: var(--space-2);
  background: var(--color-neutral-100);
  padding: var(--space-1);
  border-radius: var(--radius-md);
}

.tab-option {
  flex: 1;
  padding: var(--space-2) var(--space-4);
  text-align: center;
  border-radius: calc(var(--radius-md) - 2px);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-dark-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-option.selected {
  background: var(--color-white);
  color: var(--color-text-dark);
  box-shadow: var(--shadow-sm);
}