/* ============================================================
   GRUPO AES — BLOG STYLES
   blog.css — Grid, cards, single post, archives
   ============================================================ */

/* ------------------------------------------------------------ */
/* 1. BLOG LAYOUT                                                */
/* ------------------------------------------------------------ */
.blog-main {
  padding-top: calc(76px + var(--space-xl));
  padding-bottom: var(--space-xl);
}

.blog-header {
  margin-bottom: var(--space-lg);
}

.blog-header__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-navy);
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: var(--space-xs);
}

/*
 * The rest of the site marks a section title with a short red rule
 * (.section-divider). Done here rather than in three templates, since the blog
 * header, the archive header and the search header all share this class.
 */
.blog-header__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background-color: var(--color-red);
  margin-top: var(--space-sm);
}

.blog-header__desc {
  font-size: var(--text-base);
  color: var(--color-gray);
  line-height: 1.6;
  margin-top: var(--space-sm);
}

/* ------------------------------------------------------------ */
/* 2. CATEGORY NAVIGATION                                        */
/* ------------------------------------------------------------ */
.blog-categories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.blog-categories__link {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-navy);
  padding: 0.5em 1.2em;
  border: 2px solid var(--color-gray-light);
  border-radius: 50px;
  transition: all var(--ease-default);
  background: transparent;
}

.blog-categories__link:hover {
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.blog-categories__link.is-active {
  background-color: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

/* ------------------------------------------------------------ */
/* 3. BLOG GRID                                                  */
/* ------------------------------------------------------------ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* ------------------------------------------------------------ */
/* 4. BLOG CARD                                                  */
/* ------------------------------------------------------------ */
.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--ease-default), box-shadow var(--ease-default);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.blog-card__link {
  display: block;
}

.blog-card__img-wrap {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--color-light);
}

.blog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--ease-slow);
}

.blog-card:hover .blog-card__img {
  transform: scale(1.05);
}

.blog-card__img--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card__img--placeholder svg {
  width: 100%;
  height: 100%;
}

.blog-card__body {
  padding: var(--space-sm) var(--space-sm) var(--space-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}

/*
 * A post can carry more than one category, so the badges sit in a wrapping row
 * rather than on their own line.
 */
.blog-card__badges,
.blog-single__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: var(--space-xs);
}

.blog-card__badges .blog-card__badge,
.blog-single__badges .blog-single__badge {
  margin-bottom: 0;
}

/* Category badge */
.blog-card__badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3em 0.8em;
  border-radius: 50px;
  color: var(--color-white);
  background-color: var(--color-navy);
  margin-bottom: var(--space-xs);
  width: fit-content;
  text-decoration: none;
  transition: opacity var(--ease-default);
}

.blog-card__badge:hover {
  opacity: 0.85;
}

.blog-card__badge--seguridad {
  background-color: var(--color-seguridad);
}

.blog-card__badge--limpieza {
  background-color: var(--color-limpieza);
}

.blog-card__badge--comercial {
  background-color: var(--color-comercial);
}

.blog-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.blog-card__title a {
  text-decoration: none;
  color: inherit;
  transition: color var(--ease-default);
}

.blog-card__title a:hover {
  color: var(--color-red);
}

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: var(--space-xs);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__date {
  font-size: var(--text-xs);
  color: var(--color-gray);
}

/* ------------------------------------------------------------ */
/* 5. SINGLE POST                                                */
/* ------------------------------------------------------------ */
.blog-single__hero {
  position: relative;
  height: 400px;
  overflow: hidden;
  margin-top: 76px;
}

.blog-single__hero--no-image {
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-mid));
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-lg);
}

.blog-single__hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-single__hero-overlay {
  position: absolute;
  inset: 0;
  /*
   * Stronger than it looks like it needs to be: the client's real photographs
   * can be bright exactly where the title sits, and the original 0.8 -> 0.2 ->
   * transparent ramp left the headline fighting the image whenever they were.
   */
  background: linear-gradient(
    to top,
    rgba(22, 38, 64, 0.94) 0%,
    rgba(22, 38, 64, 0.82) 30%,
    rgba(22, 38, 64, 0.45) 65%,
    rgba(22, 38, 64, 0.18) 100%
  );
}

.blog-single__hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding-bottom: var(--space-lg);
  color: var(--color-white);
  z-index: 1;
}

.blog-single__badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3em 0.8em;
  border-radius: 50px;
  color: var(--color-white);
  background-color: var(--color-navy);
  margin-bottom: var(--space-xs);
  text-decoration: none;
  transition: opacity var(--ease-default);
}

.blog-single__badge:hover {
  opacity: 0.85;
}

.blog-single__badge--seguridad {
  background-color: var(--color-seguridad);
}

.blog-single__badge--limpieza {
  background-color: var(--color-limpieza);
}

.blog-single__badge--comercial {
  background-color: var(--color-comercial);
}

.blog-single__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.blog-single__date {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
}

/* Content area */
.blog-single__content {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.blog-single__body {
  max-width: 720px;
  margin-inline: auto;
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-navy);
}

.blog-single__body h2,
.blog-single__body h3,
.blog-single__body h4 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
}

.blog-single__body h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
}

.blog-single__body h3 {
  font-size: var(--text-xl);
  font-weight: 700;
}

.blog-single__body p {
  margin-bottom: var(--space-sm);
}

.blog-single__body img {
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
}

.blog-single__body blockquote {
  border-left: 4px solid var(--color-red);
  padding-left: var(--space-sm);
  margin: var(--space-md) 0;
  font-style: italic;
  color: var(--color-gray);
}

.blog-single__body a {
  color: var(--color-red);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-single__body a:hover {
  color: var(--color-red-dark);
}

/* Post navigation */
.blog-single__nav {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gray-light);
  margin-top: var(--space-lg);
}

.blog-single__nav-link {
  text-decoration: none;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: background-color var(--ease-default);
  max-width: 48%;
}

.blog-single__nav-link:hover {
  background-color: var(--color-light);
}

.blog-single__nav-link--next {
  text-align: right;
  margin-left: auto;
}

.blog-single__nav-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25em;
}

.blog-single__nav-title {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
}

/* ------------------------------------------------------------ */
/* 6. RELATED POSTS                                              */
/* ------------------------------------------------------------ */
.blog-related {
  margin-top: var(--space-lg);
}

.blog-related__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
}

/* ------------------------------------------------------------ */
/* 7. PAGINATION                                                 */
/* ------------------------------------------------------------ */
.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gray-light);
}

.blog-pagination__links {
  display: flex;
  gap: var(--space-sm);
}

.blog-pagination__links a,
.blog-pagination__links span {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.6em 1.4em;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--ease-default);
}

.blog-pagination__links a {
  color: var(--color-white);
  background-color: var(--color-navy);
}

.blog-pagination__links a:hover {
  background-color: var(--color-navy-mid);
}

.blog-pagination__links span {
  color: var(--color-gray);
  cursor: default;
}

.blog-pagination__info {
  font-size: var(--text-sm);
  color: var(--color-gray);
}

/* ------------------------------------------------------------ */
/* 8. EMPTY STATE                                                */
/* ------------------------------------------------------------ */
.blog-empty {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
}

.blog-empty p {
  font-size: var(--text-lg);
  color: var(--color-gray);
}

/* ------------------------------------------------------------ */
/* 9. 404 PAGE                                                   */
/* ------------------------------------------------------------ */
.error-404 {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
}

.error-404__title {
  font-family: var(--font-heading);
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.error-404__subtitle {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.error-404__desc {
  font-size: var(--text-base);
  color: var(--color-gray);
  max-width: 500px;
  margin-inline: auto;
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.error-404__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.8em 2em;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--ease-default);
}

.btn--primary {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-navy-mid);
}

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

.btn--outline:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}