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

:root {
  --primary-color: #1e3a8a;
  --accent-color: #08b0e1;
  --neutral-light: #f5f7fa;
  --neutral-dark: #1f2937;
  --soft-turquoise: #1f9bcf;
  --warm-highlight: #fbbf24;
  --font-family-base: 'Inter', sans-serif;
  --font-family-display: 'Playfair Display', serif;
  --shadow-soft: 0 20px 40px rgba(15, 23, 42, 0.1);
  --shadow-hard: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  --radius-lg: 32px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --transition-base: all 0.3s ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family-base);
  background: #ffffff;
  color: var(--neutral-dark);
  line-height: 1.6;
}

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

a:hover,
a:focus {
  color: var(--accent-color);
}

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

main {
  overflow-x: hidden;
}

section {
  padding: 5rem 1.5rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Header & */
.landing-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30, 58, 138, 0.1);
}

.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  gap: 1rem;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1 1 auto;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--primary-color);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: #ffffff;
  font-family: var(--font-family-display);
  font-size: 1.35rem;
}

.brand-name {
  font-size: 1.15rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: var(--accent-color);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link:focus::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid rgba(30, 58, 138, 0.15);
  background: #ffffff;
  cursor: pointer;
  transition: var(--transition-base);
}

.nav-toggle-bar {
  width: 1.25rem;
  height: 2px;
  background: var(--primary-color);
}

.nav-toggle[aria-expanded='true'] {
  background: var(--primary-color);
}

.nav-toggle[aria-expanded='true'] .nav-toggle-bar {
  background: #ffffff;
}

.login-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-sm);
  background: var(--primary-color);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  box-shadow: var(--shadow-hard);
  transition: var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.login-button:hover,
.login-button:focus {
  background: var(--accent-color);
  color: #ffffff;
  transform: translateY(-1px);
}

.login-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(8, 176, 225, 0.35);
}

.language-selector {
  position: relative;
}

.language-select {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(30, 58, 138, 0.2);
  padding: 0.35rem 2rem 0.35rem 0.75rem;
  font-size: 0.95rem;
  font-family: inherit;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='10' viewBox='0 0 14 10'%3E%3Cpath fill='%231e3a8a' d='M7 10 0 0h14z'/%3E%3C/svg%3E") no-repeat right 0.65rem center/0.75rem;
  appearance: none;
  color: var(--primary-color);
}

.language-select:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-outline {
  border: none;
  border-radius: 9999px;
  font-weight: 600;
  padding: 0.9rem 2rem;
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
}

.btn-secondary {
  background: rgba(8, 176, 225, 0.15);
  color: var(--primary-color);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: rgba(8, 176, 225, 0.25);
}

.btn-outline {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.btn-outline:hover,
.btn-outline:focus {
  background: var(--primary-color);
  color: #ffffff;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.hero-content h1 {
  font-family: var(--font-family-display);
  font-size: clamp(2.5rem, 4vw + 1rem, 3.8rem);
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(30, 41, 59, 0.85);
}

.hero-actions {
  margin-top: 2rem;
}

.hero-microcopy {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: rgba(30, 41, 59, 0.75);
  line-height: 1.5;
}

.hero-microcopy strong {
  display: block;
  color: var(--primary-color);
  font-weight: 600;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-app-card {
  width: min(30rem, 100%);
  background: linear-gradient(165deg, #0f172a, rgba(31, 155, 207, 0.95));
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.75rem 2.25rem;
  box-shadow: var(--shadow-hard);
  position: relative;
  overflow: hidden;
}

.hero-app-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.2), transparent 55%);
  pointer-events: none;
}

.hero-app-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  letter-spacing: 0.03em;
}

.hero-app-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2rem;
}

.medication-list {
  display: grid;
  gap: 1.25rem;
  position: relative;
  z-index: 1;
}

.medication-item {
  background: rgba(15, 23, 42, 0.6);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.medication-item strong {
  display: block;
  font-size: 1.05rem;
}

.medication-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.95rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.status-success {
  background: rgba(34, 197, 94, 0.2);
  color: #86efac;
}

.status-pending {
  background: rgba(250, 204, 21, 0.2);
  color: #fde68a;
}

.stock-alert {
  margin-top: 1.25rem;
  font-size: 0.95rem;
  color: #bfdbfe;
}

.hero-observations {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

/* Antes / Ahora */
.before-after {
  background: linear-gradient(180deg, rgba(236, 244, 255, 0.7), #ffffff 65%);
}

.before-after__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.before-after h2 {
  text-align: center;
  font-size: 2.3rem;
  color: var(--primary-color);
  margin-bottom: 3rem;
}

.before-after-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

.before-after-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.before-column,
.after-column {
  padding: 2rem;
  display: grid;
  gap: 1rem;
}

.before-column {
  background: rgba(220, 38, 38, 0.08);
}

.after-column {
  background: rgba(8, 176, 225, 0.12);
}

.before-label,
.after-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.before-label {
  color: #dc2626;
}

.after-label {
  color: var(--soft-turquoise);
}

.before-column p,
.after-column p {
  margin: 0;
  font-size: 1rem;
}

/* Daily flow */
.daily-flow {
  max-width: 1200px;
  margin: 0 auto;
}

.daily-flow h2 {
  text-align: center;
  font-size: 2.3rem;
  color: var(--primary-color);
  margin-bottom: 3rem;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

.flow-step {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-soft);
  position: relative;
  display: grid;
  gap: 1rem;
}

.step-number {
  position: absolute;
  top: -1.25rem;
  left: 2rem;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: #ffffff;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: var(--shadow-soft);
}

.step-icon {
  font-size: 1.75rem;
}

.flow-step h3 {
  margin: 0;
  font-size: 1.3rem;
  color: var(--primary-color);
}

.flow-step p {
  margin: 0;
  color: rgba(30, 41, 59, 0.85);
}

.flow-step ul {
  margin: 0;
  padding-left: 1.1rem;
  color: rgba(30, 41, 59, 0.8);
}

.flow-highlight {
  margin: 0;
  font-weight: 600;
  color: var(--primary-color);
}

/* Traceability */
.traceability {
  background: radial-gradient(circle at top left, rgba(8, 176, 225, 0.12), transparent 55%);
}

.traceability__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
  align-items: center;
}

.traceability h2 {
  font-size: 2.3rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.traceability p {
  margin-top: 0;
  color: rgba(30, 41, 59, 0.85);
}

.traceability-bullets {
  list-style: none;
  padding: 0;
  margin: 2rem 0 1.5rem;
  display: grid;
  gap: 1rem;
}

.traceability-bullets li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.traceability-bullets li::before {
  content: '✔';
  font-weight: 700;
  color: var(--accent-color);
  font-size: 1.1rem;
}

.traceability-quote {
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 1.5rem;
}

.traceability-visual {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.25rem;
  box-shadow: var(--shadow-hard);
  display: grid;
  gap: 1.5rem;
}

.report-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.report-title {
  font-size: 1.2rem;
  font-weight: 600;
}

.report-action {
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(30, 58, 138, 0.12);
  background: rgba(8, 176, 225, 0.12);
  font-weight: 600;
  color: var(--primary-color);
}

.report-preview {
  background: var(--neutral-light);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: grid;
  gap: 0.75rem;
  font-size: 0.95rem;
  box-shadow: inset 0 0 0 1px rgba(30, 58, 138, 0.08);
}

.report-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.report-row strong {
  color: var(--primary-color);
}

.report-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgba(8, 176, 225, 0.15);
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.85rem;
}

/* Personas */
.personas {
  max-width: 1200px;
  margin: 0 auto;
}

.personas h2 {
  text-align: center;
  font-size: 2.3rem;
  color: var(--primary-color);
  margin-bottom: 3rem;
}

.persona-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.75rem;
}

.persona-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(30, 58, 138, 0.08);
  display: grid;
  gap: 1rem;
}

.persona-icon {
  font-size: 1.75rem;
  color: var(--accent-color);
}

.persona-card h3 {
  margin: 0;
  color: var(--primary-color);
  font-size: 1.2rem;
}

.persona-card ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.35rem;
  color: rgba(30, 41, 59, 0.85);
}

/* Credibility */
.credibility {
  background: #f1f5f9;
}

.credibility__inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.credibility h2 {
  font-size: 2.2rem;
  color: var(--primary-color);
  margin-bottom: 3rem;
}

.credibility-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.credibility-item {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 0.75rem;
}

.credibility-item strong {
  font-size: 2rem;
  color: var(--primary-color);
}

/* CTA */
.demo-cta {
  background: linear-gradient(140deg, #0f1c3f, rgba(31, 155, 207, 0.95));
  color: #ffffff;
  text-align: center;
}

.demo-cta h2 {
  font-size: 2.4rem;
  margin-bottom: 1rem;
}

.demo-cta p {
  max-width: 680px;
  margin: 0.5rem auto 2rem;
  color: rgba(255, 255, 255, 0.9);
}

.demo-cta .btn-primary {
  background: #ffffff;
  color: var(--primary-color);
  box-shadow: none;
}

.demo-cta .btn-primary:hover,
.demo-cta .btn-primary:focus {
  background: var(--warm-highlight);
  color: #0f172a;
}

.cta-contact {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.4);
  color: #ffffff;
  font-weight: 500;
}

.contact-link:hover,
.contact-link:focus {
  background: rgba(15, 23, 42, 0.6);
}

/* FAQ */
.faq {
  max-width: 960px;
  margin: 0 auto;
}

.faq h2 {
  text-align: center;
  font-size: 2.3rem;
  color: var(--primary-color);
  margin-bottom: 3rem;
}

.faq-items {
  display: grid;
  gap: 1rem;
}

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(30, 58, 138, 0.1);
  box-shadow: var(--shadow-soft);
  background: #ffffff;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.35rem 1.75rem;
  font-weight: 600;
  font-size: 1.05rem;
  position: relative;
}

.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 1.75rem;
  top: 1.35rem;
  font-size: 1.4rem;
  color: var(--accent-color);
  transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

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

.faq-item p {
  margin: 0;
  padding: 0 1.75rem 1.5rem;
  color: rgba(30, 41, 59, 0.8);
}

/* Footer */
.landing-footer {
  background: #0f172a;
  color: rgba(255, 255, 255, 0.85);
  padding: 3.5rem 1.5rem 2.5rem;
}

.footer-columns {
  max-width: 1100px;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem;
}

.footer-columns h3 {
  color: #ffffff;
}

.footer-columns ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.5rem;
}

.footer-columns a {
  color: rgba(255, 255, 255, 0.85);
}

.footer-columns a:hover,
.footer-columns a:focus {
  color: #ffffff;
}

.footer-note {
  max-width: 1100px;
  margin: 0 auto 1.5rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.footer-copy {
  text-align: center;
  margin: 0;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1200px) {
  .hero,
  .before-after__inner,
  .daily-flow,
  .traceability__inner,
  .personas,
  .credibility__inner,
  .faq {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (max-width: 1024px) {
  .nav-links {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    background: #ffffff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-hard);
    padding: 1.5rem;
    display: grid;
    gap: 1rem;
    width: min(18rem, 92vw);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-base);
    z-index: 5;
  }

  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: flex;
  }


  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-app-card {
    padding: 2.5rem 2rem;
  }

  .before-after-grid,
  .flow-steps,
  .persona-grid,
  .credibility-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .traceability__inner {
    grid-template-columns: 1fr;
  }

  .traceability-visual {
    order: -1;
  }

  .footer-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  section {
    padding: 4rem 1.25rem;
  }

  .hero {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .before-after-card {
    grid-template-columns: 1fr;
  }

  .before-column,
  .after-column {
    padding: 1.75rem;
  }

  .flow-steps,
  .persona-grid,
  .credibility-grid {
    grid-template-columns: 1fr;
  }


  .step-number {
    left: 1.75rem;
  }
  .cta-contact {
    flex-direction: column;
  }

  .footer-columns {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 560px) {
  .hero-app-card {
    border-radius: 24px;
  }

  .report-row {
    flex-direction: column;
    align-items: flex-start;
  }

 .contact-link {
    width: 100%;
      justify-content: center;
  }
}