* {
  box-sizing: border-box;
}

:root {
  --color-bg: #f5f7f6;
  --color-bg-alt: #ffffff;
  --color-primary: #15803d;
  --color-primary-dark: #166534;
  --color-text: #0f172a;
  --color-muted: #6b7280;
  --radius-lg: 18px;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.18);
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
}

.lang-es,
.lang-en {
  transition: opacity 0.2s ease;
}

body[data-lang="es"] .lang-en {
  display: none;
}

body[data-lang="en"] .lang-es {
  display: none;
}

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

.container {
  width: min(1120px, 100% - 3rem);
  margin-inline: auto;
}

.site-header {
  position: relative;
  color: #fff;
}

.nav {
  position: absolute;
  inset-inline: 0;
  top: 0;
  z-index: 10;
  padding-block: 1.25rem;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: #f9fafb;
}

.nav-logo-image {
  height: 40px;
  width: 40px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.35);
}

.nav-logo-text {
  font-size: 0.98rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.65);
  color: #e5e7eb;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
}

.lang-switch-option {
  letter-spacing: 0.06em;
}

.lang-switch-divider {
  opacity: 0.55;
}

body[data-lang="es"] .lang-switch-option-es,
body[data-lang="en"] .lang-switch-option-en {
  color: #ecfdf5;
  font-weight: 700;
}

body[data-lang="es"] .lang-switch-option-en,
body[data-lang="en"] .lang-switch-option-es {
  opacity: 0.6;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: #e5e7eb;
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: #fff;
}

.nav-cta {
  background: #16a34a;
  color: #ecfdf5;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.9rem;
  box-shadow: 0 10px 30px rgba(22, 163, 74, 0.4);
}

.nav-cta:hover {
  background: #22c55e;
}

.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: linear-gradient(to top, rgba(15, 23, 42, 0.65), rgba(15, 23, 42, 0.25)),
    url('portada.png');
  background-size: cover;
  background-position: center bottom;
}

.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-content {
  position: relative;
  text-align: center;
  color: #fff;
  padding-block: 6rem 5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw + 1rem, 3.8rem);
  letter-spacing: 0.03em;
  margin: 0 0 0.75rem;
}

.hero-subtitle {
  font-size: 1.4rem;
  margin: 0 0 0.3rem;
}

.hero-subtitle-en {
  font-size: 0.95rem;
  opacity: 0.9;
  margin-bottom: 1.75rem;
}

.hero-subtitle-secondary {
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 1.8rem;
  font-size: 0.98rem;
}

.hero-cta {
  display: inline-block;
  background: var(--color-primary);
  color: #ecfdf5;
  padding: 0.75rem 1.9rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: 0 18px 40px rgba(21, 128, 61, 0.6);
}

.hero-cta:hover {
  background: var(--color-primary-dark);
}

main {
  margin-top: -3.5rem;
}

.section {
  padding-block: 4.5rem;
}

.section-light {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: left;
  margin-bottom: 2.25rem;
}

.section-header h2 {
  font-size: 1.9rem;
  margin: 0 0 0.4rem;
}

.section-header p {
  margin: 0;
  color: var(--color-muted);
}

.section-subtitle {
  color: var(--color-muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.75rem;
}

.card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
}

.card-image {
  height: 180px;
  background-size: cover;
  background-position: center;
}

.card-body {
  padding: 1.4rem 1.5rem 1.5rem;
}

.card-body h3 {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
}

.card-body p {
  margin: 0 0 1.1rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  border: 1px solid #d1fae5;
  background: #ecfdf5;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
}

.btn-outline:hover {
  background: #bbf7d0;
}

.tren-layout {
  display: grid;
  grid-template-columns: minmax(0, 2.5fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.tren-main p {
  color: var(--color-muted);
}

.tren-main p + p {
  margin-top: 0.9rem;
}

.tren-image {
  margin-top: 1.8rem;
  border-radius: var(--radius-lg);
  height: 370px;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-soft);
}

.tren-aside {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.aside-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.aside-image {
  height: 150px;
  background-size: cover;
  background-position: center;
}

.aside-body {
  padding: 1.4rem 1.5rem 1.5rem;
}

.aside-body h3 {
  margin: 0 0 0.6rem;
}

.aside-body p {
  margin: 0 0 1.1rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.opcionales-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 2.5rem;
  align-items: center;
}

.bullets {
  padding-left: 1.1rem;
  color: var(--color-muted);
}

.bullets li + li {
  margin-top: 0.35rem;
}

.opcionales-box {
  background: #ecfdf5;
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.9rem;
  box-shadow: 0 14px 35px rgba(16, 185, 129, 0.25);
}

.opcionales-box h3 {
  margin-top: 0;
}

.opcionales-box p {
  color: var(--color-muted);
}

.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem;
}

.testimonio {
  margin: 0;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.8rem;
  box-shadow: var(--shadow-soft);
}

.testimonio blockquote {
  margin: 0 0 0.75rem;
  font-style: italic;
}

.testimonio figcaption {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.contacto {
  background: #0f172a;
  color: #e5e7eb;
}

.contacto-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: center;
}

.contacto p {
  color: #cbd5f5;
}

.site-footer {
  background: #020617;
  color: #9ca3af;
  font-size: 0.85rem;
}

.footer-inner {
  padding-block: 1.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.footer-small {
  opacity: 0.8;
}

@media (max-width: 900px) {
  .nav-inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-links {
    display: none;
  }

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

  .tren-layout {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .footer-inner,
  .contacto-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 2.2rem, 640px);
  }

  main {
    margin-top: -2.5rem;
  }

  .section {
    padding-block: 3.2rem;
  }

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

  .hero-content {
    padding-block: 6rem 4rem;
  }
}