/* ==========================================================================
   VITALYS — LATEST BLOGS SECTION
   Sections: Variables, Section, Header, Grid, Blog Cards, Images,
   Typography, Read More Link, Hover Effects, Animations,
   Responsive Breakpoints.
   Shares brand tokens (--font-nav, --color-accent, --color-navy,
   --color-description, --ease-out-quart, etc.) already defined in
   navbar.css / features.css; only section-specific tokens live here.
   ========================================================================== */

/* ==========================================================================
   1. VARIABLES
   ========================================================================== */
:root {
  --blog-padding-desktop: 100px;
  --blog-padding-tablet: 80px;
  --blog-padding-mobile: 60px;

  --blog-description-max-width: 700px;

  --blog-heading-desktop: 50px;
  --blog-heading-tablet: 42px;
  --blog-heading-mobile: 32px;

  --blog-title-desktop: 32px;
  --blog-title-tablet: 28px;
  --blog-title-mobile: 24px;

  --blog-card-radius: 20px;
  --blog-card-padding: 30px;
  --blog-image-height: 260px;
}

/* ==========================================================================
   2. SECTION
   ========================================================================== */
.blog-section {
  background: #ffffff;
  padding-top: var(--blog-padding-desktop);
  padding-bottom: var(--blog-padding-desktop);
}

/* ==========================================================================
   3. HEADER
   ========================================================================== */
.blog-section-subtitle {
  margin: 0 0 15px;
  font-family: var(--font-nav);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-accent);
  text-align: center;
}

.blog-section-heading {
  margin: 0 0 20px;
  font-family: var(--font-nav);
  font-weight: 700;
  font-size: var(--blog-heading-desktop);
  line-height: 1.15;
  color: var(--color-navy);
  text-align: center;
  text-wrap: balance;
}

.blog-section-description {
  margin: 0 auto 70px;
  max-width: var(--blog-description-max-width);
  font-family: var(--font-nav);
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-description);
  text-align: center;
  text-wrap: pretty;
}

/* ==========================================================================
   4. GRID
   ========================================================================== */
.blog-grid > .col {
  display: flex;
}

/* ==========================================================================
   5. BLOG CARDS
   ========================================================================== */
.blog-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  background: #ffffff;
  border-radius: var(--blog-card-radius);
  overflow: hidden;
  box-shadow: 0 2px 18px rgba(12, 44, 81, 0.08);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.blog-card:hover,
.blog-card:focus-within {
  transform: translateY(-10px);
  box-shadow: 0 24px 48px rgba(12, 44, 81, 0.18);
}

/* ==========================================================================
   6. IMAGES
   ========================================================================== */
.blog-card-figure {
  position: relative;
  margin: 0;
  width: 100%;
  height: var(--blog-image-height);
  overflow: hidden;
  border-radius: var(--blog-card-radius) var(--blog-card-radius) 0 0;
  flex: 0 0 auto;
}

.blog-card-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-image,
.blog-card:focus-within .blog-card-image {
  transform: scale(1.08);
}

.blog-card-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--color-accent);
  color: #ffffff;
  font-family: var(--font-nav);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ==========================================================================
   7. TYPOGRAPHY (card content)
   ========================================================================== */
.blog-card-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: var(--blog-card-padding);
}

.blog-card-date {
  display: block;
  margin: 0 0 15px;
  font-family: var(--font-nav);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
}

.blog-card-title {
  margin: 0 0 20px;
  font-family: var(--font-nav);
  font-weight: 700;
  font-size: var(--blog-title-desktop);
  line-height: 1.3;
}

.blog-card-title-link {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  color: var(--color-navy);
  text-decoration: none;
  transition: color 0.35s ease;
}

.blog-card-description {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  margin: 0 0 30px;
  font-family: var(--font-nav);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-description);
}

/* ==========================================================================
   8. READ MORE LINK
   ========================================================================== */
.blog-card-readmore {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-nav);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.blog-card-readmore-text {
  position: relative;
}

.blog-card-readmore-text::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.35s ease;
}

.blog-card-readmore-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.35s ease;
}

.blog-card-readmore-icon svg {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   9. HOVER EFFECTS
   ========================================================================== */
.blog-card:hover .blog-card-title-link,
.blog-card:focus-within .blog-card-title-link,
.blog-card-title-link:hover {
  color: var(--color-accent);
}

.blog-card-readmore:hover .blog-card-readmore-text::after,
.blog-card-readmore:focus-visible .blog-card-readmore-text::after {
  width: 100%;
}

.blog-card-readmore:hover .blog-card-readmore-icon,
.blog-card-readmore:focus-visible .blog-card-readmore-icon {
  transform: translateX(4px);
}

.blog-card-readmore:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ==========================================================================
   10. ANIMATIONS
   ========================================================================== */
@keyframes blogCardFadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Cards are fully visible by default. blog-section.js opts individual
   cards into the hidden pre-animation state (.will-animate) only after
   confirming IntersectionObserver support and no reduced-motion
   preference — so a JS failure or a headless/no-scroll render never
   ships a blank section. */
.blog-card.will-animate {
  opacity: 0;
  transform: translateY(30px);
}

.blog-card.will-animate.is-visible {
  animation: blogCardFadeUp 0.7s var(--ease-out-quart) both;
}

.blog-grid > .col:nth-child(1) .blog-card.is-visible {
  animation-delay: 0ms;
}

.blog-grid > .col:nth-child(2) .blog-card.is-visible {
  animation-delay: 150ms;
}

.blog-grid > .col:nth-child(3) .blog-card.is-visible {
  animation-delay: 300ms;
}

@media (prefers-reduced-motion: reduce) {
  .blog-card.will-animate,
  .blog-card.will-animate.is-visible {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .blog-card:hover,
  .blog-card:focus-within {
    transform: none;
  }

  .blog-card:hover .blog-card-image,
  .blog-card:focus-within .blog-card-image {
    transform: none;
  }

  .blog-card-readmore:hover .blog-card-readmore-icon,
  .blog-card-readmore:focus-visible .blog-card-readmore-icon {
    transform: none;
  }
}

/* ==========================================================================
   11. VIEW ALL LINK
   ========================================================================== */
.blog-section-viewall-wrap {
  margin-top: 60px;
  text-align: center;
}

.btn-viewall-blogs {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 58px;
  padding: 0 34px;
  border: 1.5px solid var(--color-accent);
  border-radius: 999px;
  background: transparent;
  color: var(--color-accent);
  font-family: var(--font-nav);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.35s ease, color 0.35s ease, transform 0.35s ease,
    box-shadow 0.35s ease;
}

.btn-viewall-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-viewall-icon svg {
  width: 16px;
  height: 16px;
  transition: transform 0.35s ease;
}

.btn-viewall-blogs:hover,
.btn-viewall-blogs:focus-visible {
  background: var(--color-accent);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(12, 44, 81, 0.2);
}

.btn-viewall-blogs:hover .btn-viewall-icon svg,
.btn-viewall-blogs:focus-visible .btn-viewall-icon svg {
  transform: translateX(4px);
}

.btn-viewall-blogs:focus-visible {
  outline: 2px solid var(--color-accent-deep);
  outline-offset: 3px;
}

/* ==========================================================================
   12. RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* Tablet: 768px–991px */
@media (min-width: 768px) and (max-width: 991.98px) {
  .blog-section {
    padding-top: var(--blog-padding-tablet);
    padding-bottom: var(--blog-padding-tablet);
  }

  .blog-section-heading {
    font-size: var(--blog-heading-tablet);
  }

  .blog-card-title {
    font-size: var(--blog-title-tablet);
  }
}

/* Mobile: below 768px */
@media (max-width: 767.98px) {
  .blog-section {
    padding-top: var(--blog-padding-mobile);
    padding-bottom: var(--blog-padding-mobile);
  }

  .blog-section-heading {
    font-size: var(--blog-heading-mobile);
  }

  .blog-section-description {
    margin-bottom: 50px;
  }

  .blog-card-body {
    padding: 24px;
  }

  .blog-card-title {
    font-size: var(--blog-title-mobile);
  }
}