/* Páginas SEO/GEO CCSE. Extiende styles.css sin modificar la landing existente. */
.seo-hero {
  position: relative;
  isolation: isolate;
  min-height: 620px;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
  background: var(--navy-950);
  color: #e7f0fb;
}

.seo-hero::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 13, 27, .98) 0%, rgba(3, 13, 27, .91) 38%, rgba(3, 13, 27, .54) 66%, rgba(3, 13, 27, .18) 100%),
    linear-gradient(0deg, rgba(3, 13, 27, .54), transparent 48%);
  content: "";
}

.seo-hero__media,
.seo-hero__media img {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
}

.seo-hero__media img {
  object-fit: cover;
  object-position: center;
}

.seo-hero__copy {
  max-width: 760px;
}

.seo-hero h1 {
  max-width: 900px;
  color: #fff;
  font-size: clamp(2.5rem, 5.5vw, 4.8rem);
}

.seo-hero__lead {
  max-width: 700px;
  color: #dce8f7;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.seo-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.seo-hero__meta li {
  padding: .48rem .75rem;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 999px;
  background: rgba(5, 22, 43, .65);
  color: #fff;
  font-size: .9rem;
  font-weight: 750;
}

.seo-disclaimer {
  max-width: 760px;
  margin-top: 1.15rem;
  color: #becde0;
  font-size: .86rem;
}

.seo-proof {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.seo-proof__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.seo-proof__item {
  padding: 1.4rem 1rem;
  text-align: center;
}

.seo-proof__item + .seo-proof__item {
  border-left: 1px solid var(--line);
}

.seo-proof strong,
.seo-proof span {
  display: block;
}

.seo-proof strong {
  color: var(--navy-950);
  font-size: 1.15rem;
}

.seo-proof span {
  color: var(--muted);
  font-size: .84rem;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

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

.seo-card {
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}

.section--dark .seo-card h2,
.section--dark .seo-card h3,
.section--dark .seo-card .eyebrow {
  color: var(--navy-950);
}

.seo-card__number {
  display: grid;
  width: 2.6rem;
  height: 2.6rem;
  margin-bottom: 1rem;
  place-items: center;
  border-radius: .8rem;
  background: var(--blue-100);
  color: var(--blue-700);
  font-weight: 850;
}

.seo-card p:last-child {
  margin-bottom: 0;
}

.seo-split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .7fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.seo-panel {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius-lg);
  background: var(--navy-950);
  color: #dce8f7;
  box-shadow: var(--shadow-lg);
}

.seo-panel h2,
.seo-panel h3,
.seo-panel .eyebrow {
  color: #fff;
}

.seo-panel .button {
  width: 100%;
}

.seo-price {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin: 1.25rem 0;
}

.seo-price strong {
  color: #fff;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1;
}

.seo-price span {
  color: #b8c8db;
}

.seo-checklist,
.seo-crosslinks {
  display: grid;
  gap: .8rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.seo-checklist li {
  position: relative;
  padding-left: 1.7rem;
}

.seo-checklist li::before {
  position: absolute;
  left: 0;
  color: var(--green-700);
  content: "✓";
  font-weight: 900;
}

.section--dark .seo-checklist li::before,
.seo-panel .seo-checklist li::before {
  color: var(--cyan-400);
}

.seo-note {
  padding: 1.2rem 1.35rem;
  border-left: 4px solid var(--gold-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--gold-100);
  color: var(--ink);
}

.seo-note strong {
  color: var(--navy-950);
}

.seo-source-list {
  display: grid;
  gap: .8rem;
  margin: 1.25rem 0 0;
  padding-left: 1.25rem;
}

.seo-source-list a {
  font-weight: 700;
}

.seo-faq {
  display: grid;
  gap: .85rem;
  max-width: 900px;
  margin-inline: auto;
}

.seo-faq details {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.seo-faq summary {
  padding: 1.1rem 3rem 1.1rem 1.2rem;
  color: var(--navy-950);
  cursor: pointer;
  font-weight: 800;
}

.seo-faq details p {
  padding: 0 1.2rem 1.2rem;
  margin: 0;
  color: var(--muted);
}

.seo-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding: clamp(2rem, 5vw, 3.5rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
  color: #dce8f7;
  box-shadow: var(--shadow-lg);
}

.seo-cta h2 {
  color: #fff;
}

.seo-cta p:last-child {
  margin-bottom: 0;
}

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

.seo-crosslinks a {
  display: block;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--navy-950);
  font-weight: 750;
  text-decoration: none;
}

.seo-crosslinks a:hover {
  border-color: var(--blue-600);
  color: var(--blue-700);
  box-shadow: var(--shadow-sm);
}

.seo-question {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
}

.seo-question details {
  margin-top: .75rem;
}

.seo-question summary {
  color: var(--blue-700);
  cursor: pointer;
  font-weight: 800;
}

.seo-breadcrumb {
  padding: .8rem 0;
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--muted);
  font-size: .85rem;
}

.seo-breadcrumb a {
  font-weight: 700;
}

@media (max-width: 900px) {
  .seo-grid,
  .seo-grid--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .seo-split {
    grid-template-columns: 1fr;
  }

  .seo-panel {
    max-width: 620px;
  }
}

@media (max-width: 760px) {
  .seo-hero {
    min-height: 680px;
  }

  .seo-hero::after {
    background:
      linear-gradient(90deg, rgba(3, 13, 27, .97), rgba(3, 13, 27, .78)),
      linear-gradient(0deg, rgba(3, 13, 27, .6), transparent);
  }

  .seo-hero__media img {
    object-position: 62% center;
  }

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

  .seo-proof__item:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .seo-proof__item:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .seo-cta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .seo-grid,
  .seo-grid--two,
  .seo-crosslinks {
    grid-template-columns: 1fr;
  }

  .seo-hero {
    padding-block: 4rem;
  }

  .seo-hero__meta li {
    width: 100%;
    border-radius: .65rem;
  }

  .seo-proof__item {
    padding: 1.1rem .65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .seo-crosslinks a {
    transition: none;
  }
}