/* ==========================================================================
   SISSY CLINIC — CLINICAL JOURNAL INDEX (blog.css)
   Prestige Medical Clinic design system · 100% Responsive · 100% Touch-Optimized
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. SHARED EDITORIAL SECTION PRIMITIVES
   -------------------------------------------------------------------------- */
.section-header {
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: 4.5rem;
  }
}

.section-kicker {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-brand-accent, #C59B76);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.875rem, 3.5vw, 2.75rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-primary, #1B3B48);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted, #525E64);
  line-height: 1.7;
  max-width: 760px;
  margin: 0 auto;
}

@media (max-width: 767px) {
  .section-title {
    font-size: clamp(1.5rem, 6.2vw, 1.85rem);
    line-height: 1.2;
  }

  .section-subtitle {
    font-size: 0.9375rem;
    line-height: 1.6;
  }
}

/* --------------------------------------------------------------------------
   2. SUB-HERO (Strict 600px Desktop / Adaptive Mobile)
   -------------------------------------------------------------------------- */
.blog-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 600px;
  min-height: 600px;
  padding: 4.5rem 0 5.5rem;
  box-sizing: border-box;
  overflow: hidden;
  background-color: var(--color-brand-primary-dark, #122831);
}

.blog-hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.blog-hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
  filter: brightness(0.62) contrast(1.08) saturate(0.92);
  transform: scale(1.02);
}

.blog-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 42%, rgba(18, 40, 49, 0.35) 0%, rgba(18, 40, 49, 0.75) 75%),
    linear-gradient(180deg, rgba(18, 40, 49, 0.62) 0%, rgba(27, 59, 72, 0.48) 45%, rgba(18, 40, 49, 0.72) 100%);
}

.blog-hero-container {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.blog-hero-kicker {
  display: block;
  font-size: 0.8125rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-brand-accent, #C59B76);
  margin-bottom: 1.25rem;
}

.blog-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
}

.blog-hero-title .title-highlight {
  color: var(--color-brand-accent, #C59B76);
  font-style: italic;
  font-weight: var(--font-weight-light);
}

.blog-hero-lead {
  font-size: clamp(0.95rem, 2vw, 1.25rem);
  line-height: 1.65;
  color: rgba(250, 248, 245, 0.9);
  max-width: 780px;
  margin: 0 auto;
}

/* Mandatory mobile hero scaling */
@media (max-width: 767px) {
  .blog-hero {
    height: auto;
    min-height: auto;
    padding: 3.5rem 1rem 3rem;
  }

  .blog-hero-kicker {
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
    margin-bottom: 1rem;
  }

  .blog-hero-title {
    font-size: clamp(1.5rem, 6.5vw, 1.85rem);
    line-height: 1.18;
    margin-bottom: 1rem;
  }

  .blog-hero-lead {
    font-size: 0.9375rem;
    line-height: 1.55;
    margin-bottom: 0;
  }
}

/* --------------------------------------------------------------------------
   3. JOURNAL INDEX HEADER & CATEGORY CHIPS
   -------------------------------------------------------------------------- */
.blog-section {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .blog-section {
    padding: 6rem 0;
  }
}

.blog-index-section {
  background-color: var(--color-bg-primary, #FAF8F5);
}

.blog-index-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .blog-index-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2.5rem;
  }
}

.blog-index-heading .section-kicker {
  margin-bottom: 0.5rem;
}

.blog-index-heading .section-title {
  margin-bottom: 0;
}

.blog-index-count {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted, #525E64);
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(197, 155, 118, 0.4);
  border-radius: 999px;
  background-color: var(--color-brand-accent-light, #F4ECE4);
}

.blog-category-chips {
  list-style: none;
  padding: 0;
  margin: 0 0 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.blog-category-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.5rem 1.15rem;
  font-family: var(--font-primary);
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-brand-primary, #1B3B48);
  background-color: transparent;
  border: 1px solid rgba(27, 59, 72, 0.18);
  border-radius: var(--radius-sm, 4px);
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  transform: none !important;
  box-shadow: none !important;
}

.blog-category-chip.is-active {
  background-color: var(--color-brand-primary, #1B3B48);
  border-color: var(--color-brand-primary, #1B3B48);
  color: var(--color-text-inverse, #FAF8F5);
}

/* --------------------------------------------------------------------------
   4. ARTICLE GRID & CARDS
   -------------------------------------------------------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (min-width: 1200px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-surface, #FFFFFF);
  border: 1px solid rgba(230, 223, 213, 0.85);
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 70%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-brand-accent, #C59B76), transparent);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 3;
}

.blog-card:hover::before {
  transform: translateX(-50%) scaleX(1);
}

@media (hover: hover) {
  .blog-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(27, 59, 72, 0.08);
  }
}

.blog-card-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-bg-secondary, #E6DFD5);
}

.blog-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (hover: hover) {
  .blog-card:hover .blog-card-image {
    transform: scale(1.05);
  }
}

.blog-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18, 40, 49, 0) 45%, rgba(18, 40, 49, 0.42) 100%);
}

.blog-card-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: 1.5rem;
}

@media (min-width: 768px) {
  .blog-card-body {
    padding: 1.85rem;
  }
}

.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--color-text-muted, #525E64);
}

.blog-card-category {
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-accent-dark, #8C623E);
}

.blog-card-title {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--color-brand-primary, #1B3B48);
  margin-bottom: 0.85rem;
}

@media (min-width: 768px) {
  .blog-card-title {
    font-size: 1.5rem;
  }
}

.blog-card-title a {
  color: inherit;
}

.blog-card-title a:hover {
  color: var(--color-brand-accent-dark, #8C623E);
}

.blog-card-excerpt {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-muted, #525E64);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.blog-card-tags {
  list-style: none;
  padding: 0;
  margin: 0 0 1.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.blog-card-tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  font-size: 0.6875rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  color: var(--color-brand-primary, #1B3B48);
  background-color: var(--color-bg-secondary, #E6DFD5);
  border-radius: var(--radius-sm, 4px);
}

.blog-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  align-self: flex-start;
  min-height: 44px;
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.04em;
  color: var(--color-brand-primary, #1B3B48);
  border-bottom: 1px solid rgba(197, 155, 118, 0.6);
  transition: color var(--transition-fast), border-color var(--transition-fast), gap var(--transition-fast);
}

.blog-card-cta:hover {
  color: var(--color-brand-accent-dark, #8C623E);
  border-color: var(--color-brand-accent, #C59B76);
  gap: 0.9rem;
}

.blog-card-cta .btn-arrow {
  transition: transform var(--transition-fast);
}

.blog-card-cta:hover .btn-arrow {
  transform: translateX(3px);
}

/* Featured variant (latest edition spans two columns on wide screens) */
@media (min-width: 1200px) {
  .blog-card-featured {
    grid-column: span 2;
    flex-direction: row;
  }

  .blog-card-featured .blog-card-media {
    flex: 1 1 55%;
    aspect-ratio: auto;
    min-height: 380px;
  }

  .blog-card-featured .blog-card-body {
    flex: 1 1 45%;
    justify-content: center;
    padding: 3rem;
  }

  .blog-card-featured .blog-card-title {
    font-size: clamp(1.75rem, 2.4vw, 2.25rem);
  }

  .blog-card-featured .blog-card-excerpt {
    font-size: 1rem;
  }
}

/* --------------------------------------------------------------------------
   5. EDITORIAL PILLARS
   -------------------------------------------------------------------------- */
.blog-pillars-section {
  background-color: var(--color-bg-secondary, #E6DFD5);
}

.blog-pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .blog-pillars-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.blog-pillar-card {
  position: relative;
  padding: 2.25rem 1.85rem;
  background-color: var(--color-bg-surface, #FFFFFF);
  border: 1px solid rgba(230, 223, 213, 0.85);
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.blog-pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 70%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-brand-accent, #C59B76), transparent);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-pillar-card:hover::before {
  transform: translateX(-50%) scaleX(1);
}

@media (hover: hover) {
  .blog-pillar-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(27, 59, 72, 0.08);
  }
}

.blog-pillar-index {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: var(--font-weight-extrabold);
  color: rgba(197, 155, 118, 0.35);
  line-height: 1;
  margin-bottom: 0.9rem;
}

.blog-pillar-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-brand-primary, #1B3B48);
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.blog-pillar-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-muted, #525E64);
}

/* --------------------------------------------------------------------------
   6. CTA BANNER
   -------------------------------------------------------------------------- */
.blog-cta-section {
  position: relative;
  overflow: hidden;
  padding: 4.5rem 0;
  text-align: center;
  background: linear-gradient(145deg, #1B3B48 0%, #122831 100%);
  border-top: 1px solid rgba(197, 155, 118, 0.3);
  color: var(--color-text-inverse, #FAF8F5);
}

@media (min-width: 768px) {
  .blog-cta-section {
    padding: 6rem 0;
  }
}

.blog-cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(197, 155, 118, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.blog-cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-kicker {
  display: block;
  font-size: 0.8125rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-brand-accent, #C59B76);
  margin: 0 auto 1rem;
  text-align: center;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: #FFFFFF;
  margin: 0 auto 1.25rem;
  text-align: center;
  max-width: 820px;
}

.cta-lead {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: rgba(250, 248, 245, 0.88);
  max-width: 740px;
  margin: 0 auto 2.25rem;
  text-align: center;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin: 0 auto;
}

@media (max-width: 767px) {
  .cta-title {
    font-size: clamp(1.5rem, 6.2vw, 1.85rem);
    line-height: 1.2;
  }

  .cta-lead {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1.75rem;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}

/* CTA Buttons (flat clinical, no hover elevation) */
.btn-blog-primary,
.btn-blog-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 48px;
  padding: 0.95rem 2rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-sm, 4px);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  transform: none !important;
  box-shadow: none !important;
}

.btn-blog-primary {
  background-color: var(--color-powder-blush, #F4D9D5);
  color: var(--color-brand-primary, #1B3B48);
  border: 1px solid var(--color-powder-blush-border, #EAC4BF);
}

.btn-blog-primary:hover {
  background-color: var(--color-brand-accent, #C59B76);
  border-color: var(--color-brand-accent, #C59B76);
  color: var(--color-brand-primary-dark, #122831);
}

.btn-blog-secondary {
  background-color: rgba(250, 248, 245, 0.08);
  color: var(--color-text-inverse, #FAF8F5);
  border: 1px solid rgba(250, 248, 245, 0.35);
}

.btn-blog-secondary:hover {
  background-color: rgba(250, 248, 245, 0.18);
  border-color: rgba(250, 248, 245, 0.6);
  color: #FFFFFF;
}