/* ============================================================
   ENERGIA EM PAUTA — BLOG STYLESHEET
   Premium light-theme editorial design for Exitogrid
   ============================================================ */

/* --- Blog Design Tokens --- */
:root {
  --blog-bg: #f8fafc;
  --blog-bg-alt: #ffffff;
  --blog-surface: #ffffff;
  --blog-blue: #0c4a8a;
  --blog-blue-mid: #1766b8;
  --blog-blue-light: #2b82d9;
  --blog-blue-pale: #e8f1fb;
  --blog-blue-glow: rgba(12,74,138,.12);
  --blog-navy: #071a33;
  --blog-text: #1e293b;
  --blog-text-muted: #64748b;
  --blog-text-faint: #94a3b8;
  --blog-border: #e2e8f0;
  --blog-border-hover: rgba(12,74,138,.3);
  --blog-radius: 16px;
  --blog-radius-lg: 28px;
  --blog-radius-xl: 36px;
  --blog-shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  --blog-shadow-hover: 0 8px 32px rgba(12,74,138,.1), 0 2px 8px rgba(0,0,0,.06);
  --blog-shadow-featured: 0 12px 48px rgba(12,74,138,.12), 0 4px 12px rgba(0,0,0,.06);
  --blog-transition: .3s cubic-bezier(.4,0,.2,1);
}

/* --- Blog Body Override --- */
.blog-page-body {
  background: var(--blog-bg) !important;
  color: var(--blog-text);
}
.blog-page-body main {
  background: var(--blog-bg);
}

/* ============================================================
   BLOG HERO
   ============================================================ */
.blog-hero {
  position: relative;
  background: linear-gradient(135deg, #071a33 0%, #0c3d6e 50%, #0f4c81 100%);
  padding: clamp(100px, 12vw, 140px) 0 clamp(60px, 8vw, 100px);
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 20% 80%, rgba(43,130,217,.2), transparent),
    radial-gradient(ellipse 600px 400px at 80% 20%, rgba(12,74,138,.3), transparent);
  pointer-events: none;
}
.blog-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--blog-bg), transparent);
  pointer-events: none;
}
.blog-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 48px;
  align-items: center;
}
.blog-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: #93c5fd;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}
.blog-hero-tag svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}
.blog-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 16px;
}
.blog-hero-desc {
  font-size: clamp(.95rem, 1.2vw, 1.1rem);
  color: rgba(255,255,255,.7);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 28px;
}
.blog-hero-stats {
  display: flex;
  gap: 32px;
}
.blog-hero-stat {
  display: flex;
  flex-direction: column;
}
.blog-hero-stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}
.blog-hero-stat-label {
  font-size: .78rem;
  color: rgba(255,255,255,.5);
  margin-top: 4px;
}

/* Hero floating cards effect */
.blog-hero-visual {
  position: relative;
  height: 340px;
  perspective: 800px;
}
.blog-hero-float-card {
  position: absolute;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,.3);
  transition: transform .6s cubic-bezier(.4,0,.2,1);
}
.blog-hero-float-card:nth-child(1) {
  width: 320px;
  height: 200px;
  top: 20px;
  left: 20px;
  transform: rotateY(-8deg) rotateX(4deg);
  z-index: 3;
}
.blog-hero-float-card:nth-child(2) {
  width: 280px;
  height: 180px;
  top: 60px;
  right: 0;
  transform: rotateY(6deg) rotateX(-3deg) translateZ(-30px);
  z-index: 2;
  opacity: .7;
}
.blog-hero-float-card:nth-child(3) {
  width: 240px;
  height: 160px;
  bottom: 20px;
  left: 60px;
  transform: rotateY(-4deg) rotateX(6deg) translateZ(-60px);
  z-index: 1;
  opacity: .45;
}
.blog-hero-float-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-hero-float-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,26,51,.6) 0%, transparent 60%);
}

/* ============================================================
   BREADCRUMB (light theme)
   ============================================================ */
.blog-breadcrumb {
  margin-bottom: 20px;
}
.blog-breadcrumb a {
  color: rgba(255,255,255,.5);
  font-size: .85rem;
  transition: color .2s;
}
.blog-breadcrumb a:hover {
  color: #93c5fd;
}
.blog-breadcrumb .breadcrumb-sep {
  color: rgba(255,255,255,.3);
  margin: 0 8px;
}
.blog-breadcrumb .breadcrumb-current {
  color: rgba(255,255,255,.8);
  font-size: .85rem;
  font-weight: 600;
}

/* ============================================================
   FEATURED ARTICLE
   ============================================================ */
.blog-featured-section {
  padding: 0 0 24px;
  margin-top: -40px;
  position: relative;
  z-index: 5;
}
.blog-featured-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  background: var(--blog-surface);
  border-radius: var(--blog-radius-xl);
  overflow: hidden;
  box-shadow: var(--blog-shadow-featured);
  transition: var(--blog-transition);
  border: 1px solid var(--blog-border);
  text-decoration: none;
  color: inherit;
}
.blog-featured-card:hover {
  box-shadow: 0 20px 60px rgba(12,74,138,.16), 0 6px 20px rgba(0,0,0,.08);
  transform: translateY(-4px);
}
.blog-featured-img {
  position: relative;
  overflow: hidden;
  min-height: 360px;
}
.blog-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s cubic-bezier(.4,0,.2,1);
}
.blog-featured-card:hover .blog-featured-img img {
  transform: scale(1.04);
}
.blog-featured-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7,26,51,.5) 0%, transparent 50%, rgba(7,26,51,.3) 100%);
}
.blog-featured-chip {
  position: absolute;
  top: 24px;
  left: 24px;
  background: var(--blog-blue);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 99px;
  z-index: 2;
}
.blog-featured-body {
  padding: clamp(28px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.blog-featured-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blog-blue);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 12px;
}
.blog-featured-label svg {
  width: 16px; height: 16px;
}
.blog-featured-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 800;
  color: var(--blog-navy);
  line-height: 1.25;
  margin-bottom: 14px;
}
.blog-featured-body p {
  font-size: .95rem;
  color: var(--blog-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-featured-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  font-size: .82rem;
  color: var(--blog-text-faint);
}
.blog-featured-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.blog-featured-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blog-blue);
  color: #fff;
  font-size: .9rem;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 99px;
  transition: var(--blog-transition);
  width: fit-content;
  text-decoration: none;
}
.blog-featured-cta:hover {
  background: var(--blog-blue-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--blog-blue-glow);
}
.blog-featured-cta svg {
  width: 16px; height: 16px;
  transition: transform .2s;
}
.blog-featured-cta:hover svg {
  transform: translateX(3px);
}

/* ============================================================
   FILTERS & SEARCH BAR
   ============================================================ */
.blog-toolbar {
  padding: 32px 0 8px;
  position: relative;
  z-index: 4;
}
.blog-toolbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.blog-filters {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  flex: 1;
}
.blog-filter-btn {
  padding: 8px 18px;
  border-radius: 99px;
  font-size: .82rem;
  font-weight: 600;
  border: 1px solid var(--blog-border);
  color: var(--blog-text-muted);
  background: var(--blog-surface);
  cursor: pointer;
  font-family: var(--font);
  transition: var(--blog-transition);
  white-space: nowrap;
  position: relative;
}
.blog-filter-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--blog-blue);
  border-radius: 2px;
  transition: transform .25s ease;
}
.blog-filter-btn:hover {
  color: var(--blog-blue);
  border-color: var(--blog-blue-pale);
  background: var(--blog-blue-pale);
}
.blog-filter-btn.active {
  color: var(--blog-blue);
  border-color: var(--blog-blue);
  background: var(--blog-blue-pale);
  font-weight: 700;
}
.blog-filter-btn.active::after {
  transform: translateX(-50%) scaleX(1);
}
.blog-search-wrap {
  position: relative;
  min-width: 260px;
}
.blog-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--blog-text-faint);
  pointer-events: none;
}
.blog-search-input {
  width: 100%;
  padding: 10px 14px 10px 42px;
  border: 1px solid var(--blog-border);
  border-radius: 99px;
  font-size: .88rem;
  font-family: var(--font);
  color: var(--blog-text);
  background: var(--blog-surface);
  transition: var(--blog-transition);
}
.blog-search-input:focus {
  outline: none;
  border-color: var(--blog-blue);
  box-shadow: 0 0 0 3px var(--blog-blue-glow);
}
.blog-search-input::placeholder {
  color: var(--blog-text-faint);
}

/* Results counter */
.blog-results-count {
  padding: 8px 0 16px;
  font-size: .85rem;
  color: var(--blog-text-faint);
}
.blog-results-count strong {
  color: var(--blog-text);
  font-weight: 700;
}

/* ============================================================
   BLOG GRID
   ============================================================ */
.blog-grid-section {
  padding: 16px 0 80px;
}
.blog-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* ============================================================
   BLOG CARD
   ============================================================ */
.blog-card {
  background: var(--blog-surface);
  border-radius: var(--blog-radius-lg);
  overflow: hidden;
  border: 1px solid var(--blog-border);
  box-shadow: var(--blog-shadow);
  display: flex;
  flex-direction: column;
  transition: var(--blog-transition);
  opacity: 0;
  transform: translateY(24px);
  animation: blogCardIn .6s cubic-bezier(.4,0,.2,1) forwards;
}
.blog-card:nth-child(1) { animation-delay: .05s; }
.blog-card:nth-child(2) { animation-delay: .1s; }
.blog-card:nth-child(3) { animation-delay: .15s; }
.blog-card:nth-child(4) { animation-delay: .2s; }
.blog-card:nth-child(5) { animation-delay: .25s; }
.blog-card:nth-child(6) { animation-delay: .3s; }
.blog-card:nth-child(7) { animation-delay: .35s; }
.blog-card:nth-child(8) { animation-delay: .4s; }
.blog-card:nth-child(9) { animation-delay: .45s; }
.blog-card:nth-child(10) { animation-delay: .5s; }
.blog-card:nth-child(11) { animation-delay: .55s; }
.blog-card:nth-child(12) { animation-delay: .6s; }
.blog-card:nth-child(13) { animation-delay: .65s; }
.blog-card:nth-child(14) { animation-delay: .7s; }
.blog-card:nth-child(15) { animation-delay: .75s; }

@keyframes blogCardIn {
  to { opacity: 1; transform: translateY(0); }
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--blog-shadow-hover);
  border-color: var(--blog-border-hover);
}
.blog-card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.blog-card:hover .blog-card-img img {
  transform: scale(1.06);
}
.blog-card-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--blog-blue);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 99px;
  z-index: 2;
}
.blog-card-body {
  padding: 22px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-card-body h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--blog-navy);
  line-height: 1.3;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-body p {
  font-size: .875rem;
  color: var(--blog-text-muted);
  line-height: 1.65;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--blog-border);
}
.blog-card-meta {
  display: flex;
  gap: 14px;
  font-size: .76rem;
  color: var(--blog-text-faint);
}
.blog-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--blog-blue);
  font-size: .82rem;
  font-weight: 600;
  transition: var(--blog-transition);
  text-decoration: none;
}
.blog-card-link svg {
  width: 14px; height: 14px;
  transition: transform .2s;
}
.blog-card-link:hover {
  color: var(--blog-blue-mid);
}
.blog-card-link:hover svg {
  transform: translateX(3px);
}

/* Card anchor */
.blog-card-anchor {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* No results */
.blog-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 24px;
}
.blog-no-results svg {
  width: 56px; height: 56px;
  color: var(--blog-text-faint);
  margin-bottom: 16px;
  opacity: .5;
}
.blog-no-results h3 {
  color: var(--blog-navy);
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.blog-no-results p {
  color: var(--blog-text-muted);
  font-size: .92rem;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.blog-cta-section {
  padding: 0 0 80px;
}
.blog-cta-card {
  background: linear-gradient(135deg, #071a33 0%, #0c3d6e 50%, #0f4c81 100%);
  border-radius: var(--blog-radius-xl);
  padding: clamp(40px, 6vw, 72px) clamp(28px, 5vw, 64px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.blog-cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle 300px at 20% 80%, rgba(43,130,217,.2), transparent),
    radial-gradient(circle 400px at 85% 30%, rgba(12,74,138,.3), transparent);
  pointer-events: none;
}
.blog-cta-card > * {
  position: relative;
  z-index: 2;
}
.blog-cta-card h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.blog-cta-card p {
  font-size: clamp(.9rem, 1.1vw, 1.05rem);
  color: rgba(255,255,255,.7);
  line-height: 1.7;
  max-width: 550px;
  margin: 0 auto 32px;
}
.blog-cta-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.blog-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 99px;
  font-size: .92rem;
  font-weight: 700;
  transition: var(--blog-transition);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: var(--font);
}
.blog-cta-btn-primary {
  background: #fff;
  color: var(--blog-blue);
}
.blog-cta-btn-primary:hover {
  background: var(--blog-blue-pale);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,255,255,.15);
}
.blog-cta-btn-whatsapp {
  background: #25d366;
  color: #fff;
  border-color: #25d366;
}
.blog-cta-btn-whatsapp:hover {
  background: #1ebe5c;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,.3);
}
.blog-cta-btn svg {
  width: 18px; height: 18px;
}

/* ============================================================
   FOOTER OVERRIDE FOR BLOG (keep dark footer)
   ============================================================ */
.blog-page-body .footer {
  background: var(--dark, #0a0a0f);
  color: var(--text, #e2e8f0);
}
.blog-page-body .footer h3,
.blog-page-body .footer h4 {
  color: #fff;
}
.blog-page-body .footer p,
.blog-page-body .footer a {
  color: var(--text-muted, #94a3b8);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .blog-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .blog-hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .blog-hero-stats {
    justify-content: center;
  }
  .blog-hero-visual {
    display: none;
  }
  .blog-featured-card {
    grid-template-columns: 1fr;
  }
  .blog-featured-img {
    min-height: 260px;
  }
  .blog-articles-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
}

@media (max-width: 768px) {
  .blog-toolbar-inner {
    flex-direction: column;
    align-items: stretch;
  }
  .blog-filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
  }
  .blog-filters::-webkit-scrollbar { display: none; }
  .blog-search-wrap {
    min-width: 100%;
  }
  .blog-featured-body {
    padding: 24px;
  }
  .blog-cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .blog-cta-btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .blog-hero {
    padding: 100px 0 60px;
  }
  .blog-articles-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .blog-featured-img {
    min-height: 200px;
  }
  .blog-card-img {
    height: 180px;
  }
  .blog-featured-card {
    border-radius: var(--blog-radius);
  }
  .blog-cta-card {
    border-radius: var(--blog-radius);
  }
}