:root {
  --blue: #1963D6;
  --gray: #6E7786;
  --dark: #2C3E50;
  --light: #F7F7F7;
  --white: #FFFFFF;
  --shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
  --radius: 12px;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Satoshi", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--blue);
}

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

.container {
  width: min(1100px, 90%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #e6e6e6;
}

.header-content {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0.5rem;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid #d1d8e2;
  border-radius: var(--radius);
  background: var(--white);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.menu-toggle:focus-visible {
  outline: 2px solid rgba(25, 99, 214, 0.4);
  outline-offset: 3px;
}

.menu-toggle:hover {
  border-color: var(--blue);
  background: rgba(25, 99, 214, 0.05);
}

.menu-toggle .menu-icon,
.menu-toggle .menu-icon::before,
.menu-toggle .menu-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  content: '';
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle .menu-icon {
  position: relative;
}

.menu-toggle .menu-icon::before,
.menu-toggle .menu-icon::after {
  position: absolute;
  left: 0;
}

.menu-toggle .menu-icon::before {
  top: -6px;
}

.menu-toggle .menu-icon::after {
  top: 6px;
}

.site-header.nav-open .menu-toggle .menu-icon {
  background: transparent;
}

.site-header.nav-open .menu-toggle .menu-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.site-header.nav-open .menu-toggle .menu-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

.logo img {
  max-height: 100%;  /* ocupa como máximo la altura del contenedor .logo */
  width: auto;       /* mantiene la proporción */
  height: auto;
  object-fit: contain;
  display: block;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
  justify-content: flex-end;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--blue);
  font-weight: 600;
  transition: all 0.2s ease;
  cursor: pointer;
  text-align: center;
}

.btn.primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(25, 99, 214, 0.25);
}

.btn.primary:hover {
  background: #0f54bd;
  box-shadow: 0 12px 28px rgba(25, 99, 214, 0.35);
}

.btn.ghost {
  background: transparent;
  color: var(--blue);
}

.btn.ghost:hover {
  background: rgba(25, 99, 214, 0.08);
}

main {
  padding-top: 1rem;
}

.section {
  padding: 4rem 0;
}

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

.section-header {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.section h2 {
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

.section-intro {
  color: var(--gray);
  margin: 0;
}

.hero {
  padding: 5rem 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  gap: 2.5rem;
}

.hero-text h1 {
  font-size: clamp(2.1rem, 4vw, 2.8rem);
  margin: 0 0 1rem;
}

.lead {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual img {
  width: 100%;
  max-width: 520px;
  margin-left: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--white);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.card {
  background: var(--white);
  border: 1px solid #e6e6e6;
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.pillar h3,
.card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.grid.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.cta-block {
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid #d8e6ff;
  background: #eef4ff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.note {
  color: var(--gray);
  margin-top: 1.25rem;
  border-left: 4px solid var(--blue);
  padding-left: 1rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.25rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.narrow {
  max-width: 800px;
}

.list {
  padding-left: 1.2rem;
  color: var(--dark);
  margin: 1rem 0 0;
}

.list li {
  margin-bottom: 0.75rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.faq-item h3 {
  margin-top: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.contact-block p {
  color: var(--gray);
}

.contact-cta {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.contact-cta a {
  color: var(--blue);
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: 1rem;
  max-width: 720px;
}

.contact-form fieldset {
  border: 1px solid #e1e1e1;
  border-radius: var(--radius);
  padding: 1rem;
}

.contact-form legend {
  font-weight: 700;
}

.option {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-right: 1rem;
  color: var(--dark);
}

.form-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--dark);
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  padding: 0.75rem;
  border-radius: var(--radius);
  border: 1px solid #d8d8d8;
  font: inherit;
  background: var(--white);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(25, 99, 214, 0.3);
}

.footer {
  background: var(--dark);
  color: var(--white);
  padding: 2.5rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  align-items: center;
}

.footer-logo {
  height: 42px;
  margin-bottom: 0.5rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer a {
  color: var(--white);
  font-weight: 600;
}

.footer a:hover {
  color: #cfd9f4;
}

@media (max-width: 960px) {
  .header-content {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .main-nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }

  .logo img {
    height: 38px;
  }
}

@media (max-width: 640px) {
  .header-content {
    grid-template-columns: auto auto;
    gap: 0.5rem;
    align-items: center;
  }

  .menu-toggle {
    display: inline-flex;
    justify-self: end;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid #e6e6e6;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.3s ease, opacity 0.3s ease;
  }

  .site-header.nav-open .main-nav {
    max-height: 500px;
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: center;
    padding: 1.25rem 0;
    gap: 0.75rem;
  }

  .header-content .btn.primary {
    width: 100%;
    grid-column: 1 / -1;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-visual img {
    margin: 0 auto;
  }
}