/* ========================================
   Content Sections (refined editorial)
   ======================================== */

/* --- Calculator --- */
.calculator-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: stretch;
}

.calculator-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  display: flex;
  flex-direction: column;
}

.calculator-input {
  margin-bottom: 32px;
}

.calculator-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 24px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

.calculator-amount {
  font-family: var(--font-numeric);
  font-size: clamp(2.25rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  text-transform: none;
  line-height: 1;
}

/* Slider */
.calculator-slider-wrap {
  position: relative;
  padding: 14px 0 8px;
}

.calculator-slider {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-bg-elevated);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.calculator-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  background: var(--gradient-accent);
  border-radius: 50%;
  cursor: grab;
  box-shadow: 0 0 0 6px rgba(0, 212, 181, 0.12),
              0 8px 24px rgba(0, 212, 181, 0.3);
  border: 2px solid var(--color-bg-primary);
  transition: box-shadow var(--transition), transform var(--transition);
}

.calculator-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 10px rgba(0, 212, 181, 0.16),
              0 8px 32px rgba(0, 212, 181, 0.4);
}

.calculator-slider:active::-webkit-slider-thumb {
  cursor: grabbing;
  transform: scale(1.08);
}

.calculator-slider::-moz-range-thumb {
  width: 28px;
  height: 28px;
  background: var(--gradient-accent);
  border-radius: 50%;
  cursor: grab;
  border: 2px solid var(--color-bg-primary);
  box-shadow: 0 0 0 6px rgba(0, 212, 181, 0.12);
}

.calculator-range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-numeric);
  letter-spacing: 0.05em;
}

/* Quick presets */
.calculator-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.calc-preset {
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid var(--color-hairline-strong);
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-numeric);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.calc-preset:hover {
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

.calc-preset.is-active {
  background: rgba(0, 212, 181, 0.12);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Results sidebar */
.calculator-results {
  background: var(--color-bg-deep);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.calculator-results::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient-accent);
}

.calc-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 32px;
  margin-bottom: 28px;
}

.calc-result {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.calc-result--span {
  grid-column: 1 / -1;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(74, 127, 232, 0.10) 0%, rgba(0, 212, 181, 0.10) 100%);
  border: 1px solid rgba(0, 212, 181, 0.25);
  margin-top: 12px;
}

.calc-result-label {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
}

.calc-result-value {
  font-family: var(--font-numeric);
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  line-height: 1;
}

.calc-result-value--big {
  font-size: clamp(2.25rem, 4vw, 3rem);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.calc-result-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

/* SVG growth chart */
.calc-chart {
  position: relative;
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--color-hairline);
}

.calc-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.calc-chart-svg {
  width: 100%;
  height: 100px;
  display: block;
}

.calc-chart-x {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-numeric);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.calculator-disclaimer {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 20px;
}

.calculator-disclaimer i {
  color: var(--color-primary);
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .calculator-wrap {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .calculator-card,
  .calculator-results {
    padding: 28px 24px;
  }
  .calc-result-grid {
    gap: 20px;
  }
}

/* --- Requirements — Blueprint editorial --- */
.requirements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-hairline);
  border-left: 1px solid var(--color-hairline);
}

.requirement-card {
  position: relative;
  padding: 48px 32px 40px;
  border-right: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
  background: transparent;
  transition: background var(--transition);
}

.requirement-card:hover {
  background: rgba(0, 212, 181, 0.03);
}

.requirement-num {
  display: block;
  font-family: var(--font-numeric);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 24px;
}

.requirement-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 12px;
  color: var(--color-text-primary);
}

.requirement-card h3 em {
  font-style: italic;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.requirement-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

@media (max-width: 900px) {
  .requirements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .requirements-grid {
    grid-template-columns: 1fr;
  }
}

/* --- FAQ — editorial --- */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-top: 1px solid var(--color-hairline);
  transition: background var(--transition);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--color-hairline);
}

.faq-item[open] {
  background: rgba(74, 127, 232, 0.03);
}

.faq-question {
  display: grid;
  grid-template-columns: 60px 1fr 28px;
  align-items: baseline;
  gap: 24px;
  padding: 28px 16px;
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::marker {
  content: '';
}

.faq-num {
  font-family: var(--font-numeric);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  align-self: center;
}

.faq-item[open] .faq-num {
  color: var(--color-accent);
}

.faq-q-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.125rem, 1.7vw, 1.375rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
}

.faq-question:hover .faq-q-text {
  color: var(--color-accent);
}

.faq-chevron {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: transform var(--transition), color var(--transition);
  justify-self: end;
  align-self: center;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-answer {
  padding: 0 16px 32px 100px;
  max-width: 720px;
}

.faq-answer p {
  color: var(--color-text-secondary);
  line-height: 1.75;
  font-size: 1rem;
}

.faq-answer a {
  color: var(--color-accent);
  border-bottom: 1px solid currentColor;
}

@media (max-width: 640px) {
  .faq-question {
    grid-template-columns: 40px 1fr 20px;
    gap: 16px;
    padding: 24px 0;
  }
  .faq-answer {
    padding: 0 0 24px 56px;
  }
}

/* --- CTA Final — full-bleed institutional image + overlay --- */
.section-cta {
  padding: 9rem 0;
  background: var(--color-bg-primary);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

/* Full-bleed background image (institutional skyline) */
.section-cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.section-cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.55;
  filter: saturate(0.85) contrast(1.05);
}

/* Fallback gradient si la imagen no carga */
.section-cta-bg--fallback {
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(74, 127, 232, 0.22) 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 80% 70%, rgba(0, 212, 181, 0.16) 0%, transparent 55%),
    linear-gradient(135deg, #0A0E27 0%, #131A3D 60%, #1A2350 100%);
}

/* Overlay oscuro multi-capa para legibilidad y cohesión con la paleta */
.section-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(7, 9, 27, 0.72) 0%,
      rgba(7, 9, 27, 0.84) 60%,
      rgba(7, 9, 27, 0.94) 100%),
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(74, 127, 232, 0.18) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(0, 212, 181, 0.10) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
}

.section-cta .container {
  position: relative;
  z-index: 2;
}

.cta-content {
  position: relative;
  text-align: center;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
}

.cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(7, 9, 27, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.cta-eyebrow .live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 212, 181, 0.18);
  animation: dotPulse 2.4s infinite;
}

.cta-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.cta-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.cta-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin: 0 auto 40px;
  max-width: 560px;
  line-height: 1.65;
}

.cta-meta {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 48px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  flex-wrap: wrap;
}

.cta-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cta-meta-item i {
  color: var(--color-accent);
}

/* --- Footer --- */
.site-footer {
  padding: 80px 0 40px;
  background: var(--color-bg-deep);
  border-top: 1px solid var(--color-hairline);
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-brand);
  font-style: normal;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.005em;
  color: var(--color-text-primary);
  line-height: 1;
}

.footer-logo-mark {
  width: 44px;
  height: 44px;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.footer-logo-text {
  display: inline-flex;
  align-items: baseline;
}

.footer-logo-40 {
  height: 1.05em;
  width: auto;
  display: inline-block;
  vertical-align: middle;
  margin-left: 2px;
  margin-bottom: -0.15em;
  object-fit: contain;
}

.footer-tagline {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  max-width: 280px;
  line-height: 1.5;
}

.footer-col-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

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

.footer-newsletter p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.footer-news-form {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--color-hairline-strong);
  padding-bottom: 8px;
  transition: border-color var(--transition);
}

.footer-news-form:focus-within {
  border-color: var(--color-accent);
}

.footer-news-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  padding: 8px 0;
  font-size: 0.9375rem;
  outline: none;
}

.footer-news-input::placeholder {
  color: var(--color-text-muted);
}

.footer-news-submit {
  background: transparent;
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.footer-news-submit:hover {
  gap: 10px;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--color-hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer-bottom a {
  color: var(--color-text-secondary);
}

.footer-socials {
  display: flex;
  gap: 8px;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-hairline-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: all var(--transition);
}

.footer-socials a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 32px;
  }
}

@media (max-width: 540px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    margin-bottom: 48px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}