/* blog-page.css — /blog page styles.
   Pattern aligned with about-page.css and the rest of the marketing
   site: dark teal hero, cream content sections, alternating ritmo.
   ============================================================ */

/* ============================================================
   BLOG HERO — dark teal with dots, single column copy
   ============================================================ */
.bl-hero {
  position: relative;
  min-height: calc(72vh - var(--nav-h));
  padding: calc(var(--nav-h) + 80px) var(--gutter) 60px;
  background: linear-gradient(165deg, #011a1f 0%, #01373d 55%, #012228 100%);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.bl-hero .hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.bl-hero-inner {
  position: relative; z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.bl-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  align-self: flex-start;
  background: rgba(192,244,61,.08);
  border: 1px solid rgba(192,244,61,.25);
  color: var(--dt-lime);
  font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  padding: 8px 16px; border-radius: 100px;
}
.bl-hero h1 {
  font-family: var(--dt-font-display);
  font-size: clamp(44px, 6.4vw, 88px);
  font-weight: 700;
  line-height: .98;
  letter-spacing: -.03em;
  color: #fff;
  max-width: 14ch;
  margin: 0;
}
.bl-hero h1 .hl { color: var(--dt-lime); }
.bl-hero-sub {
  font-size: 18px;
  line-height: 1.55;
  color: rgba(255,255,255,.72);
  max-width: 60ch;
  margin: 0;
}
.bl-hero-meta {
  display: inline-flex; align-items: center; gap: 18px;
  color: rgba(255,255,255,.55);
  font-size: 13px;
  margin-top: 8px;
}
.bl-hero-meta-dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: rgba(255,255,255,.30);
}

/* Search — visual only for v1 (no backend) */
.bl-hero-search {
  margin-top: 28px;
  display: flex; align-items: center; gap: 10px;
  max-width: 540px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 100px;
  padding: 10px 18px;
  backdrop-filter: blur(8px);
}
.bl-hero-search input {
  flex: 1; min-width: 0;
  background: transparent;
  border: 0; outline: 0;
  color: #fff;
  font-family: inherit;
  font-size: 14.5px;
}
.bl-hero-search input::placeholder { color: rgba(255,255,255,.45); }
.bl-hero-search-ic { color: rgba(255,255,255,.55); }

/* ============================================================
   FEATURED POST — large card, photo left + copy right
   ============================================================ */
.bl-featured {
  background: #fbfaf6;
  padding: 80px var(--gutter) 60px;
}
.bl-featured-inner { max-width: var(--max-w); margin: 0 auto; }
.bl-featured-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--dt-teal);
  font-size: 11.5px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 24px;
}
.bl-featured-eyebrow::before {
  content: ''; width: 24px; height: 2px; background: var(--dt-lime-dark);
}
.bl-featured-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
  background: #fff;
  border: 1px solid rgba(1,55,61,.08);
  border-radius: 24px;
  padding: 16px;
  box-shadow: 0 20px 50px rgba(1,55,61,.08);
  transition: transform .4s var(--dt-ease-out), box-shadow .4s var(--dt-ease-out);
}
.bl-featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 60px rgba(1,55,61,.12);
}
@media (max-width: 900px) {
  .bl-featured-card { grid-template-columns: 1fr; gap: 24px; }
}
.bl-featured-media {
  position: relative;
  height: 380px;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bl-cat-grad, linear-gradient(135deg, #01373d 0%, #024a53 100%));
}
.bl-featured-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s var(--dt-ease-out);
}
.bl-featured-card:hover .bl-featured-media img { transform: scale(1.04); }
.bl-featured-copy {
  padding: 20px 32px 20px 0;
}
@media (max-width: 900px) {
  .bl-featured-copy { padding: 4px 16px 20px; }
}
.bl-featured-cat {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 11.5px; font-weight: 700;
  letter-spacing: .8px; text-transform: uppercase;
  margin-bottom: 18px;
}
.bl-featured-h {
  font-family: var(--dt-font-display);
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 700;
  color: var(--dt-teal);
  letter-spacing: -.02em;
  line-height: 1.1;
  margin: 0 0 16px;
}
.bl-featured-x {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(1,55,61,.72);
  margin: 0 0 24px;
  text-wrap: pretty;
}
.bl-featured-meta {
  display: inline-flex; align-items: center; gap: 12px;
  margin-bottom: 24px;
  color: rgba(1,55,61,.62);
  font-size: 13.5px;
}
.bl-featured-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--dt-lime); color: var(--dt-teal);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12.5px;
}
.bl-featured-author { color: var(--dt-teal); font-weight: 600; }
.bl-featured-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700;
  color: var(--dt-teal);
  font-size: 14px;
  letter-spacing: .2px;
}
.bl-featured-link:hover { color: var(--dt-lime-dark); }

/* ============================================================
   POSTS GRID — filters + 3-col grid
   ============================================================ */
.bl-grid-section {
  background: #fbfaf6;
  padding: 40px var(--gutter) 120px;
}
.bl-grid-inner { max-width: var(--max-w); margin: 0 auto; }

.bl-filters {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(1,55,61,.10);
}
.bl-filter {
  appearance: none;
  font-family: inherit; font-size: 13px; font-weight: 600;
  padding: 9px 16px;
  border-radius: 100px;
  border: 1px solid rgba(1,55,61,.12);
  background: transparent;
  color: rgba(1,55,61,.70);
  cursor: pointer;
  transition: all .2s var(--dt-ease-out);
}
.bl-filter:hover {
  border-color: rgba(1,55,61,.32);
  color: var(--dt-teal);
}
.bl-filter.active {
  background: var(--dt-teal);
  border-color: var(--dt-teal);
  color: #fff;
}
.bl-filter-count {
  display: inline-block;
  font-size: 11px;
  margin-left: 6px;
  opacity: .7;
}

.bl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 1000px) { .bl-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .bl-grid { grid-template-columns: 1fr; } }

.bl-card {
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid rgba(1,55,61,.06);
  border-radius: 16px;
  overflow: hidden;
  transition: transform .3s var(--dt-ease-out), box-shadow .3s var(--dt-ease-out), border-color .3s var(--dt-ease-out);
  cursor: pointer;
  text-decoration: none;
}
.bl-card:hover {
  transform: translateY(-6px);
  border-color: rgba(1,55,61,.12);
  box-shadow: 0 18px 40px rgba(1,55,61,.10);
}
.bl-card-media {
  position: relative;
  height: 200px;
  background: var(--bl-cat-grad, linear-gradient(135deg, #01373d 0%, #024a53 100%));
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.bl-card-media-ic {
  color: rgba(255,255,255,.85);
  width: 56px; height: 56px;
  filter: drop-shadow(0 4px 16px rgba(0,0,0,.18));
  transition: transform .4s var(--dt-ease-out);
}
.bl-card:hover .bl-card-media-ic { transform: scale(1.08); }
.bl-card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s var(--dt-ease-out);
}
.bl-card:hover .bl-card-media img { transform: scale(1.04); }

.bl-card-body {
  display: flex; flex-direction: column;
  padding: 22px 22px 24px;
  gap: 10px;
  flex: 1;
}
.bl-card-cat {
  display: inline-flex; align-items: center; gap: 6px;
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 10.5px; font-weight: 700;
  letter-spacing: .8px; text-transform: uppercase;
}
.bl-card-cat-dot {
  width: 5px; height: 5px; border-radius: 50%;
}
.bl-card-title {
  font-family: var(--dt-font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--dt-teal);
  letter-spacing: -.02em;
  line-height: 1.2;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.bl-card-x {
  font-size: 14px;
  line-height: 1.5;
  color: rgba(1,55,61,.65);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.bl-card-meta {
  display: flex; align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
  color: rgba(1,55,61,.55);
  font-size: 12.5px;
}
.bl-card-meta-dot {
  width: 3px; height: 3px; border-radius: 50%;
  background: rgba(1,55,61,.30);
}
.bl-card-author {
  color: var(--dt-teal);
  font-weight: 600;
}

/* Category color palette — applied via data-cat attribute on parent */
.bl-card[data-cat="insights"]            .bl-card-cat,
.bl-featured-card[data-cat="insights"]   .bl-featured-cat {
  background: rgba(155,200,50,.18); color: #5a7813;
}
.bl-card[data-cat="insights"]            .bl-card-cat-dot,
.bl-featured-card[data-cat="insights"]   .bl-featured-cat-dot {
  background: #9bc832;
}
.bl-card[data-cat="insights"]            .bl-card-media,
.bl-featured-card[data-cat="insights"]   .bl-featured-media {
  background: linear-gradient(135deg, #c0f43d 0%, #9bc832 100%);
}

.bl-card[data-cat="producto"]            .bl-card-cat,
.bl-featured-card[data-cat="producto"]   .bl-featured-cat {
  background: rgba(1,55,61,.10); color: var(--dt-teal);
}
.bl-card[data-cat="producto"]            .bl-card-cat-dot,
.bl-featured-card[data-cat="producto"]   .bl-featured-cat-dot {
  background: var(--dt-teal);
}
.bl-card[data-cat="producto"]            .bl-card-media,
.bl-featured-card[data-cat="producto"]   .bl-featured-media {
  background: linear-gradient(135deg, #024a53 0%, #01242a 100%);
}

.bl-card[data-cat="casos"]               .bl-card-cat,
.bl-featured-card[data-cat="casos"]      .bl-featured-cat {
  background: rgba(168,158,245,.20); color: #5b4fc4;
}
.bl-card[data-cat="casos"]               .bl-card-cat-dot,
.bl-featured-card[data-cat="casos"]      .bl-featured-cat-dot {
  background: #a89ef5;
}
.bl-card[data-cat="casos"]               .bl-card-media,
.bl-featured-card[data-cat="casos"]      .bl-featured-media {
  background: linear-gradient(135deg, #cec7ff 0%, #a89ef5 100%);
}

.bl-card[data-cat="research"]            .bl-card-cat,
.bl-featured-card[data-cat="research"]   .bl-featured-cat {
  background: rgba(242,224,201,.55); color: #8b5a14;
}
.bl-card[data-cat="research"]            .bl-card-cat-dot,
.bl-featured-card[data-cat="research"]   .bl-featured-cat-dot {
  background: #c89446;
}
.bl-card[data-cat="research"]            .bl-card-media,
.bl-featured-card[data-cat="research"]   .bl-featured-media {
  background: linear-gradient(135deg, #f2e0c9 0%, #d9b487 100%);
}

.bl-card[data-cat="conversational"]            .bl-card-cat,
.bl-featured-card[data-cat="conversational"]   .bl-featured-cat {
  background: rgba(1,83,91,.14); color: #01535b;
}
.bl-card[data-cat="conversational"]            .bl-card-cat-dot,
.bl-featured-card[data-cat="conversational"]   .bl-featured-cat-dot {
  background: #01535b;
}
.bl-card[data-cat="conversational"]            .bl-card-media,
.bl-featured-card[data-cat="conversational"]   .bl-featured-media {
  background: linear-gradient(135deg, #01535b 0%, #03636e 100%);
}

/* Empty state — when filter shows no posts */
.bl-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: rgba(1,55,61,.55);
  font-size: 15px;
}

/* Load more button */
.bl-loadmore-wrap {
  display: flex; justify-content: center;
  margin-top: 56px;
}
.bl-loadmore {
  font-family: inherit;
  font-size: 14px; font-weight: 600;
  color: var(--dt-teal);
  background: transparent;
  border: 1px solid rgba(1,55,61,.20);
  border-radius: 100px;
  padding: 12px 28px;
  cursor: pointer;
  transition: all .25s var(--dt-ease-out);
}
.bl-loadmore:hover {
  background: var(--dt-teal);
  border-color: var(--dt-teal);
  color: #fff;
}

/* ============================================================
   NEWSLETTER STRIP — dark teal with subtle dot pattern
   ============================================================ */
.bl-news {
  position: relative;
  padding: 100px var(--gutter);
  background: linear-gradient(180deg, #01373d 0%, #012830 100%);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.bl-news::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000, transparent 80%);
  z-index: 0;
}
.bl-news-inner {
  position: relative; z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.bl-news-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(192,244,61,.10);
  border: 1px solid rgba(192,244,61,.30);
  color: var(--dt-lime);
  font-size: 11.5px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  padding: 8px 16px; border-radius: 100px;
  margin-bottom: 22px;
}
.bl-news h2 {
  font-family: var(--dt-font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 16px;
  text-wrap: balance;
}
.bl-news h2 .hl { color: var(--dt-lime); }
.bl-news-sub {
  font-size: 17px; line-height: 1.55;
  color: rgba(255,255,255,.72);
  margin: 0 0 32px;
}
.bl-news-form {
  display: flex; gap: 8px;
  max-width: 480px;
  margin: 0 auto;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 100px;
  padding: 6px 6px 6px 22px;
  backdrop-filter: blur(8px);
}
.bl-news-form input {
  flex: 1; min-width: 0;
  background: transparent;
  border: 0; outline: 0;
  color: #fff;
  font-family: inherit;
  font-size: 14.5px;
}
.bl-news-form input::placeholder { color: rgba(255,255,255,.40); }
.bl-news-form button {
  font-family: inherit;
  font-size: 13.5px; font-weight: 700;
  background: var(--dt-lime);
  color: var(--dt-teal);
  border: 0;
  border-radius: 100px;
  padding: 10px 22px;
  cursor: pointer;
  transition: transform .2s var(--dt-ease-out), box-shadow .2s var(--dt-ease-out);
  white-space: nowrap;
}
.bl-news-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(192,244,61,.35);
}
.bl-news-fine {
  font-size: 12.5px;
  color: rgba(255,255,255,.48);
  margin-top: 14px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .bl-hero { min-height: 0; padding: calc(var(--nav-h) + 56px) var(--gutter) 48px; }
  .bl-featured { padding: 56px var(--gutter) 40px; }
  .bl-grid-section { padding: 24px var(--gutter) 80px; }
  .bl-news { padding: 72px var(--gutter); }
  .bl-news-form { flex-direction: column; padding: 14px; border-radius: 18px; }
  .bl-news-form input { padding: 6px 8px; }
  .bl-news-form button { padding: 12px; }
}