/* ================================
   BLOG.CSS | Posiciona y Convierte
   Estilos específicos de blog.html
================================ */

/* ================================
   BLOG | Base
================================ */

.blog-page {
  background: var(--color-surface);
}

/* ================================
   BLOG HERO | Apertura editorial
================================ */

.blog-hero {
  position: relative;
  padding-top: 96px;
  padding-bottom: 70px;
  overflow: hidden;
  background:
    radial-gradient(
      ellipse 980px 520px at 50% 0%,
      rgba(47, 109, 164, 0.07) 0%,
      transparent 64%
    ),
    var(--color-surface);
}

.blog-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--border-soft) 20%,
    var(--border-soft) 80%,
    transparent 100%
  );
}

.blog-hero__inner {
  position: relative;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 46px;
}

.blog-hero__content {
  max-width: 880px;
  text-align: center;
}

.blog-hero__content .section-kicker {
  justify-content: center;
}

.blog-hero__content .section-title {
  max-width: 880px;
  margin: 0 auto 22px;
  font-size: clamp(40px, 5vw, 62px);
  line-height: 1.04;
}

.blog-hero__content p {
  max-width: 680px;
  margin: 0 auto;
  color: var(--color-slate-blue);
  font-size: 18px;
  line-height: 1.65;
}

/* ================================
   BLOG | Card destacada
================================ */

.featured-card {
  position: relative;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  width: 100%;
  max-width: 1040px;
  min-height: 390px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-card-rest);
  overflow: hidden;
  transition:
    transform 320ms var(--ease-out-quint),
    box-shadow 320ms var(--ease-out-quint),
    border-color 240ms ease;
}

.featured-card:hover {
  transform: translateY(-3px);
  border-color: rgba(20, 48, 75, 0.28);
  box-shadow: var(--shadow-card-hover);
}

.featured-card__media {
  position: relative;
  min-height: 340px;
  background:
    linear-gradient(
      135deg,
      rgba(20, 48, 75, 0.88) 0%,
      rgba(47, 109, 164, 0.74) 100%
    ),
    var(--color-primary);
  overflow: hidden;
}

.featured-card__media img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.86) contrast(1.05);
}

.featured-card__media-title {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 34px;
  color: var(--color-surface);
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.3vw, 42px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-align: center;
  text-wrap: balance;
}

.featured-card__body {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 38px 34px;
}

.featured-card__eyebrow,
.blog-card__eyebrow,
.filter-label {
  color: var(--color-slate-blue);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1.45;
  text-transform: uppercase;
}

.featured-card__proof {
  margin-top: 14px;
  margin-bottom: 18px;
  padding: 12px 14px;
  border: 1px solid rgba(20, 48, 75, 0.14);
  border-radius: var(--radius-md);
  background: rgba(237, 240, 243, 0.62);
  color: var(--color-primary);
  font-size: 14px;
  line-height: 1.55;
}

.featured-card__body h2 {
  margin-bottom: 14px;
  color: var(--color-primary);
  font-size: clamp(25px, 2.6vw, 34px);
  line-height: 1.12;
}

.featured-card__body p {
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.65;
}

.featured-card__meta,
.blog-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 18px;
  color: var(--color-slate-blue);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.featured-card__link,
.blog-card__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  margin-top: 22px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
}

.featured-card__link::after,
.blog-card__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0.32);
  transform-origin: left;
  transition: transform 260ms var(--ease-out-quint);
}

.featured-card__link:hover,
.blog-card__link:hover {
  color: var(--color-primary);
}

.featured-card__link:hover::after,
.blog-card__link:hover::after {
  transform: scaleX(1);
}

/* ================================
   BLOG ÍNDICE | Filtro
================================ */

.blog-index {
  padding-top: var(--space-section-small);
}

.blog-filter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-soft);
}

.blog-filter__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.blog-filter__button {
  min-height: 38px;
  padding: 9px 14px;
  border: 1px solid rgba(91, 117, 137, 0.28);
  border-radius: var(--radius-pill);
  background: rgba(251, 250, 247, 0.78);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms var(--ease-out-quint);
}

.blog-filter__button:hover {
  background: var(--color-surface-alt);
  border-color: rgba(20, 48, 75, 0.28);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.blog-filter__button.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-surface);
}

/* ================================
   BLOG ÍNDICE | Grid y cards
================================ */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.blog-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 520px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-card-rest);
  overflow: hidden;
  transition:
    transform 320ms var(--ease-out-quint),
    box-shadow 320ms var(--ease-out-quint),
    border-color 220ms ease;
}

.blog-card:hover {
  transform: translateY(-3px);
  border-color: rgba(20, 48, 75, 0.28);
  box-shadow: var(--shadow-card-hover);
}

.blog-card[hidden] {
  display: none;
}

.blog-card__media {
  position: relative;
  min-height: 250px;
  flex: 0 0 50%;
  background:
    linear-gradient(
      135deg,
      rgba(20, 48, 75, 0.88) 0%,
      rgba(91, 117, 137, 0.72) 100%
    ),
    var(--color-primary);
  overflow: hidden;
}

.blog-card__media img {
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.82) contrast(1.06);
}

.blog-card__title {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  color: var(--color-surface);
  font-family: var(--font-heading);
  font-size: clamp(23px, 2.1vw, 30px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-align: center;
  text-wrap: balance;
}

.blog-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 26px 24px 24px;
}

.blog-card__body p {
  margin-top: 12px;
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.62;
}

.blog-card__link {
  margin-top: auto;
  padding-top: 18px;
}

.blog-empty {
  display: none;
  margin-top: 24px;
  padding: 28px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  color: var(--color-slate-blue);
  font-size: 15px;
  line-height: 1.6;
}

.blog-empty.is-visible {
  display: block;
}

/* ================================
   BLOG CTA | Cierre
================================ */

.blog-cta {
  padding-top: var(--space-section-small);
  padding-bottom: var(--space-section);
}

.blog-cta__box {
  padding: 48px 44px;
  border-radius: var(--radius-xl);
  background: var(--color-primary);
  color: var(--color-surface);
  text-align: center;
  overflow: hidden;
}

.blog-cta__box .section-kicker {
  justify-content: center;
}

.blog-cta__box .section-title {
  max-width: 820px;
  margin: 0 auto 20px;
}

.blog-cta__box p {
  max-width: 680px;
  margin: 0 auto 30px;
  color: rgba(251, 250, 247, 0.76);
  font-size: 18px;
  line-height: 1.6;
}

.blog-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.blog-cta__actions .link-action {
  color: var(--color-surface);
}

/* ================================
   BLOG | Responsive
================================ */

@media (max-width: 1024px) {
  .featured-card {
    grid-template-columns: 1fr;
    max-width: 820px;
  }

  .featured-card__media {
    min-height: 300px;
  }

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

@media (max-width: 760px) {
  .blog-hero__inner {
    gap: 38px;
  }

  .blog-filter {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .blog-card {
    min-height: auto;
  }

  .blog-card__media {
    min-height: 240px;
  }

  .blog-card__media img {
    min-height: 240px;
  }
}

@media (max-width: 520px) {
  .blog-hero {
    padding-top: 72px;
    padding-bottom: 56px;
  }

  .blog-hero__content .section-title {
    font-size: clamp(36px, 10vw, 48px);
  }

  .featured-card__body,
  .blog-card__body {
    padding: 26px 22px;
  }

  .featured-card__media-title,
  .blog-card__title {
    padding: 22px;
  }

  .blog-filter__actions {
    width: 100%;
  }

  .blog-filter__button {
    flex: 1 1 auto;
  }

  .blog-cta__box {
    padding: 38px 24px;
  }

  .blog-cta__actions {
    align-items: stretch;
    flex-direction: column;
  }
}