/* ════════════════════════════════════════════════════════
   CASOS DE USO SALUD — Styles
   Extends the main design system (style.css)
   ════════════════════════════════════════════════════════ */

/* ── Hero Salud ──────────────────────────────────────── */
.cu-hero {
  position: relative;
  padding: calc(var(--header-h) + 80px) 0 80px;
  overflow: hidden;
  background: var(--color-bg-dark);
  color: #fff;
}

.cu-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cu-hero__gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 20%, rgba(5, 150, 105, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(37, 99, 235, 0.15) 0%, transparent 60%),
    linear-gradient(180deg, #0B0F1A 0%, #0F1825 100%);
}

.cu-hero__grid-pattern {
  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: 48px 48px;
  mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.5) 30%, rgba(0,0,0,0.5) 70%, transparent 100%);
}

.cu-hero__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.18;
  mix-blend-mode: luminosity;
  filter: saturate(1.4) brightness(1.1);
  z-index: 0;
  pointer-events: none;
}

.cu-hero__inner {
  position: relative;
  z-index: 1;
}

.cu-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 40px;
}

.cu-breadcrumb a {
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.cu-breadcrumb a:hover {
  color: rgba(255,255,255,0.9);
}

.cu-breadcrumb span:last-child {
  color: rgba(255,255,255,0.8);
}

.cu-hero__content {
  max-width: 700px;
}

.cu-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  background: rgba(5, 150, 105, 0.12);
  border: 1px solid rgba(5, 150, 105, 0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.cu-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.cu-hero__title-accent {
  background: linear-gradient(135deg, #34D399 0%, #2563EB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cu-hero__subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  margin-bottom: 40px;
  max-width: 580px;
}

.cu-hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.cu-hero__ctas .btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(4px);
}

.cu-hero__ctas .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
  transform: translateY(-2px);
}

.cu-hero__trust {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.cu-hero__trust-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-right: 4px;
}

.cu-hero__trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 5px 12px;
  border-radius: 100px;
  transition: background var(--transition), color var(--transition);
}

.cu-hero__trust-badge svg {
  color: #34D399;
  flex-shrink: 0;
}

.cu-hero__trust-badge:hover {
  background: rgba(255,255,255,0.11);
  color: #fff;
}

/* Stats flotantes */
.cu-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 60px;
  position: relative;
  z-index: 1;
}

.cu-stat-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: background var(--transition), border-color var(--transition);
}

.cu-stat-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(52, 211, 153, 0.3);
}

.cu-stat-card__number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: #34D399;
  line-height: 1;
  margin-bottom: 8px;
}

.cu-stat-card__label {
  display: block;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.4;
}

@media (max-width: 768px) {
  .cu-hero__stats {
    grid-template-columns: 1fr;
  }

  .cu-hero__ctas {
    flex-direction: column;
  }
}

/* ── Intro / Paradoja ────────────────────────────────── */
.cu-intro__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.cu-intro__text p {
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.cu-intro__text p:last-child {
  margin-bottom: 0;
}

.cu-paradox {
  display: flex;
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cu-paradox__side {
  flex: 1;
  padding: 28px 24px;
}

.cu-paradox__side--problem {
  background: #FEF2F2;
  border: 1px solid #FECACA;
}

.cu-paradox__side--solution {
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
}

.cu-paradox__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.cu-paradox__side--problem .cu-paradox__label {
  color: #DC2626;
}

.cu-paradox__side--solution .cu-paradox__label {
  color: #059669;
}

.cu-paradox__side ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

.cu-paradox__side--problem ul li {
  color: #7F1D1D;
  padding-left: 16px;
  position: relative;
  margin-bottom: 6px;
}

.cu-paradox__side--problem ul li::before {
  content: "✗";
  position: absolute;
  left: 0;
  color: #DC2626;
  font-weight: 700;
}

.cu-paradox__side--solution ul li {
  color: #064E3B;
  padding-left: 16px;
  position: relative;
  margin-bottom: 6px;
}

.cu-paradox__side--solution ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #059669;
  font-weight: 700;
}

.cu-paradox__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #F8FAFC 0%, #EFF6FF 100%);
  border-left: 1px solid #E2E8F0;
  border-right: 1px solid #E2E8F0;
  position: relative;
}

.cu-paradox__arrow::after {
  content: "";
  display: block;
  width: 20px;
  height: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563EB' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3Cpolyline points='12 5 19 12 12 19'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}

@media (max-width: 768px) {
  .cu-intro__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .cu-paradox {
    flex-direction: column;
  }

  .cu-paradox__arrow {
    width: 100%;
    height: 40px;
    border-left: none;
    border-right: none;
    border-top: 1px solid #E2E8F0;
    border-bottom: 1px solid #E2E8F0;
    background: linear-gradient(90deg, #F8FAFC 0%, #EFF6FF 100%);
    transform: none;
  }

  .cu-paradox__arrow::after {
    transform: rotate(90deg);
  }
}

/* ── Casos de Uso — Tarjetas ─────────────────────────── */
.cu-case {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition);
}

.cu-case:hover {
  box-shadow: var(--shadow-card-hover);
}

.cu-case--alt {
  background: var(--color-bg-alt);
}

.cu-case__header {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 40px 48px 32px;
  border-bottom: 1px solid var(--color-border);
}

.cu-case__number {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
  flex-shrink: 0;
  user-select: none;
}

.cu-case__meta {
  flex: 1;
}

.cu-case__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.cu-case__tag--pharma {
  background: rgba(99, 102, 241, 0.1);
  color: #4F46E5;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.cu-case__tag--hospital {
  background: rgba(5, 150, 105, 0.1);
  color: #059669;
  border: 1px solid rgba(5, 150, 105, 0.2);
}

.cu-case__tag--compliance {
  background: rgba(37, 99, 235, 0.1);
  color: #2563EB;
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.cu-case__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.cu-case__desc {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin: 0;
}

/* ── Case Visual Image ───────────────────────────────── */
.cu-case__visual {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #070C18;
  border-top: 1px solid rgba(37, 99, 235, 0.12);
  border-bottom: 1px solid rgba(37, 99, 235, 0.08);
  aspect-ratio: 16 / 5;
}

.cu-case__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  display: block;
  opacity: 0.82;
  filter: saturate(1.15) brightness(0.95);
  transition: opacity 0.5s ease, transform 0.6s ease;
  transform: scale(1.02);
}

.cu-case:hover .cu-case__visual img {
  opacity: 1;
  transform: scale(1);
}

/* Subtle gradient overlay for text readability transition */
.cu-case__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(7,12,24,0.55) 0%, transparent 25%, transparent 75%, rgba(7,12,24,0.55) 100%),
    linear-gradient(to bottom, transparent 60%, rgba(7,12,24,0.7) 100%);
  pointer-events: none;
}

/* Alt cases slightly different tint */
.cu-case--alt .cu-case__visual {
  background: #060A14;
}

.cu-case__body {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 0;
}

.cu-case__problem,
.cu-case__solution,
.cu-case__results {
  padding: 32px 36px;
}

.cu-case__problem {
  border-right: 1px solid var(--color-border);
}

.cu-case__solution {
  border-right: 1px solid var(--color-border);
  background: rgba(37, 99, 235, 0.02);
}

.cu-case__section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.cu-case__problem p {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.7;
}

/* Flow steps */
.cu-case__flow {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cu-flow-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.cu-flow-step__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  background: var(--color-primary-light);
  border-radius: 7px;
  color: var(--color-primary) !important;
  margin-top: 1px;
}

.cu-flow-step__icon svg {
  color: var(--color-primary);
  stroke: var(--color-primary);
}

.cu-flow-step div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cu-flow-step strong {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.cu-flow-step span {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.4;
}

/* Results */
.cu-results-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cu-result {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cu-result__number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
}

.cu-result__label {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.4;
}

/* Note inside card */
.cu-case__note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 36px;
  background: rgba(37, 99, 235, 0.04);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.5;
}

.cu-case__note svg {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.cu-case__note a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Compliance badges */
.cu-case__compliance {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 36px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.cu-compliance-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 6px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(37, 99, 235, 0.15);
  letter-spacing: 0.03em;
}

@media (max-width: 1024px) {
  .cu-case__body {
    grid-template-columns: 1fr;
  }

  .cu-case__problem,
  .cu-case__solution {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .cu-case__visual {
    aspect-ratio: 16 / 6;
  }
}

@media (max-width: 768px) {
  .cu-case__visual {
    aspect-ratio: 4 / 3;
  }

  .cu-case__visual img {
    object-position: center center;
  }
}

@media (max-width: 768px) {
  .cu-case__header {
    flex-direction: column;
    gap: 16px;
    padding: 28px 24px 24px;
  }

  .cu-case__number {
    font-size: 2.5rem;
  }

  .cu-case__problem,
  .cu-case__solution,
  .cu-case__results {
    padding: 24px;
  }

  .cu-case__compliance,
  .cu-case__note {
    padding: 16px 24px;
  }
}

/* ── Por qué Delbion ─────────────────────────────────── */
.cu-why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cu-why-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.cu-why-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(37, 99, 235, 0.2);
  transform: translateY(-2px);
}

.cu-why-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius);
  color: var(--color-primary);
  margin-bottom: 20px;
}

.cu-why-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.3;
}

.cu-why-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.65;
  margin: 0;
}

@media (max-width: 1024px) {
  .cu-why__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .cu-why__grid {
    grid-template-columns: 1fr;
  }
}

/* ── CTA Benefits ────────────────────────────────────── */
.cu-cta-benefits {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cu-cta-benefit {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.cu-cta-benefit svg {
  flex-shrink: 0;
  color: var(--color-secondary);
}

/* ── Trust / Autoridad y Confianza ───────────────────── */
.cu-trust {
  background: #F8FAFF;
}

.cu-trust__title {
  line-height: 1.25 !important;
}

.cu-trust__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.cu-trust-card {
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(37, 99, 235, 0.1);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.cu-trust-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(37, 99, 235, 0.12);
}

/* Foto */
.cu-trust-card__photo-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #e8f0fe;
}

.cu-trust-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: grayscale(20%);
  transition: filter 0.4s ease, transform 0.4s ease;
}

.cu-trust-card:hover .cu-trust-card__photo {
  filter: grayscale(0%);
  transform: scale(1.03);
}

/* Badge de rol */
.cu-trust-card__badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}

.cu-trust-card__badge--clinical {
  background: rgba(5, 150, 105, 0.85);
  color: #fff;
}

.cu-trust-card__badge--legal {
  background: rgba(124, 58, 237, 0.85);
  color: #fff;
}

.cu-trust-card__badge--tech {
  background: rgba(37, 99, 235, 0.85);
  color: #fff;
}

.cu-trust-card__badge--ceo {
  background: rgba(15, 23, 42, 0.85);
  color: #fff;
}

/* Cuerpo de la tarjeta */
.cu-trust-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cu-trust-card__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-dark, #0F172A);
  margin-bottom: 2px;
}

.cu-trust-card__role {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.cu-trust-card__quote {
  margin: 0;
  flex: 1;
}

.cu-trust-card__quote p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-text);
  font-style: italic;
  position: relative;
  padding-left: 16px;
  border-left: 3px solid rgba(37, 99, 235, 0.2);
  margin: 0;
}

.cu-trust-card:hover .cu-trust-card__quote p {
  border-left-color: var(--color-primary);
}

.cu-trust-card__tag {
  font-size: 11px;
  font-weight: 600;
  color: rgba(37, 99, 235, 0.6);
  letter-spacing: 0.04em;
  padding-top: 12px;
  border-top: 1px solid rgba(37, 99, 235, 0.08);
}

/* Responsive */
@media (max-width: 1100px) {
  .cu-trust__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .cu-trust__grid {
    grid-template-columns: 1fr;
  }
}