/* =====================================================================
   Venomers — blog.css  v3.5  "The Clinical Masterpiece Elevated Layout"
   Clean, Minimalist, Airy Scientific Publications & Knowledge Hub
   100% DRY Symmetrical Layout (CSS Logical Properties)
   Refined Asymmetric Glass Gallery + 2-Tier Exploration Command Center
   Full "Liquid Glass" 3-Layer Architecture & Refractive Effects
   ===================================================================== */

/* ─────────────────────────────────────────────
   §1 — Design Tokens (Scoped & Synchronized)
   ───────────────────────────────────────────── */
:root {
  /* Typography */
  --idx-ff-display: "Space Grotesk", system-ui, sans-serif;
  --idx-ff-body:    "Source Serif 4", georgia, serif;
  --idx-ff-ui:      "Inter", system-ui, sans-serif;

  /* Palette */
  --idx-teal:         #0F766E;
  --idx-teal-dark:    #0D655E;
  --idx-cyan:         #38BDF8;
  --idx-cyan-soft:    rgba(56, 189, 248, 0.12);
  --idx-sage:         #99B8BA;
  --idx-sage-soft:    rgba(153, 184, 186, 0.12);
  --idx-sage-border:  rgba(153, 184, 186, 0.38);
  --idx-teal-soft:    rgba(15, 118, 110, 0.04);
  --idx-teal-medium:  rgba(15, 118, 110, 0.08);
  --idx-teal-border:  rgba(15, 118, 110, 0.14);
  --idx-navy:         #0F172A;
  --idx-slate:        #334155;
  --idx-muted:        #64748B;
  --idx-surface:      #F8FAFC;
  --idx-surface-alt:  #F1F5F9;
  --idx-white:        #FFFFFF;
  --idx-border:       rgba(15, 23, 42, 0.08);
  --idx-border-soft:  rgba(15, 23, 42, 0.05);

  /* Geometry & Radii */
  --idx-r-xl:   32px;
  --idx-r-lg:   22px;
  --idx-r-md:   16px;
  --idx-r-sm:   10px;
  --idx-r-cap:  999px;

  /* Shadows */
  --idx-shadow-hero:   0 24px 60px -12px rgba(15, 23, 42, 0.08), 0 4px 18px -2px rgba(15, 118, 110, 0.04);
  --idx-shadow-card:   0 12px 32px -8px rgba(15, 23, 42, 0.05), 0 2px 8px -2px rgba(15, 23, 42, 0.03);
  --idx-shadow-hover:  0 24px 50px -10px rgba(15, 118, 110, 0.12), 0 4px 16px -2px rgba(15, 23, 42, 0.04);
  --idx-shadow-console:0 16px 40px -10px rgba(15, 23, 42, 0.06), 0 2px 8px rgba(15, 118, 110, 0.03);
  --idx-shadow-focus:  0 0 0 3px rgba(15, 118, 110, 0.22);

  /* Transitions */
  --idx-ease:       cubic-bezier(0.22, 1, 0.36, 1);
  --idx-ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --idx-speed:      0.28s;
}

/* RTL Typography & Factors */
:root[dir="rtl"] {
  --idx-ff-display: "Readex Pro VF", "Noto Sans Arabic VF", system-ui, sans-serif;
  --idx-ff-body:    "Noto Naskh Arabic VF", serif;
  --idx-ff-ui:      "Readex Pro VF", "Noto Sans Arabic VF", system-ui, sans-serif;
}

:root[dir="rtl"],
:root[dir="rtl"] * {
  letter-spacing: 0 !important;
}

:root[dir="rtl"] .blog-hero-title {
  font-family: var(--idx-ff-display);
  line-height: 1.32;
}

:root[dir="rtl"] .blog-hero-subtitle {
  font-family: var(--idx-ff-body);
  line-height: 1.65;
}

:root[dir="rtl"] .blog-hero-lead {
  font-family: var(--idx-ff-ui);
  line-height: 1.85;
}

:root[dir="rtl"] .blog-card-title {
  font-family: var(--idx-ff-display);
  line-height: 1.4;
}

:root[dir="rtl"] .blog-card-excerpt {
  font-family: var(--idx-ff-body);
  line-height: 1.85;
}

:root:lang(fa),
:root[dir="rtl"]:lang(fa),
html[lang="fa"] {
  --idx-ff-display: "Yekan Bakh FaNum", "Yekan Bakh", system-ui, -apple-system, sans-serif;
  --idx-ff-body:    "Yekan Bakh FaNum", "Yekan Bakh", system-ui, -apple-system, sans-serif;
  --idx-ff-ui:      "Yekan Bakh FaNum", "Yekan Bakh", system-ui, -apple-system, sans-serif;
}

/* ─────────────────────────────────────────────
   §2 — Document Base & Layout Container
   ───────────────────────────────────────────── */
body {
  margin: 0;
  padding: 0;
  background-color: var(--idx-surface);
  color: var(--idx-slate);
  font-family: var(--idx-ff-ui);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

.skip-link {
  position: absolute;
  inset-block-start: -100px;
  inset-inline-start: 16px;
  background: var(--idx-teal);
  color: var(--idx-white);
  padding: 12px 24px;
  border-radius: var(--idx-r-sm);
  z-index: 9999;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(112px);
  outline: 3px solid var(--idx-cyan);
}

.blog-main {
  position: relative;
  min-inline-size: 100%;
  padding-block-start: clamp(104px, 12vw, 140px);
  padding-block-end: clamp(60px, 8vw, 96px);
  isolation: isolate;
}

/* Subtle Ambient Glows */
.blog-ambient-glow {
  position: absolute;
  pointer-events: none;
  z-index: -1;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
}

.blog-ambient-glow-1 {
  inline-size: clamp(350px, 45vw, 650px);
  block-size: clamp(350px, 45vw, 650px);
  inset-block-start: 40px;
  inset-inline-start: 5%;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.12) 0%, rgba(56, 189, 248, 0.04) 60%, transparent 80%);
}

.blog-ambient-glow-2 {
  inline-size: clamp(300px, 40vw, 550px);
  block-size: clamp(300px, 40vw, 550px);
  inset-block-start: 500px;
  inset-inline-end: 5%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.10) 0%, rgba(153, 184, 186, 0.05) 60%, transparent 80%);
}

.blog-container {
  inline-size: min(100% - 32px, 1340px);
  margin-inline: auto;
  padding-inline: clamp(8px, 2vw, 20px);
  box-sizing: border-box;
}

/* ─────────────────────────────────────────────
   §3 — Unified 2-Column Hero Section
   ───────────────────────────────────────────── */
.blog-hero-unified {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: clamp(32px, 5vw, 64px);
  margin-block-end: clamp(48px, 6vw, 72px);
}

@media (max-width: 980px) {
  .blog-hero-unified {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* Hero Text Side */
.blog-hero-text-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.blog-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 16px;
  border-radius: var(--idx-r-cap);
  background: rgba(15, 118, 110, 0.08);
  border: 1px solid var(--idx-teal-border);
  color: var(--idx-teal);
  font-family: var(--idx-ff-ui);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-block-end: 18px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.blog-kicker-pulse {
  inline-size: 7px;
  block-size: 7px;
  border-radius: 50%;
  background-color: var(--idx-teal);
  box-shadow: 0 0 0 0 rgba(15, 118, 110, 0.4);
  animation: kicker-pulse 2.2s infinite;
}

@keyframes kicker-pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(15, 118, 110, 0.5);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 7px rgba(15, 118, 110, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(15, 118, 110, 0);
  }
}

.blog-hero-title {
  font-family: var(--idx-ff-display);
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  font-weight: 600;
  line-height: 1.16;
  color: var(--idx-navy);
  margin-block: 0 16px;
  letter-spacing: -0.025em;
}

.blog-hero-title .title-accent {
  background: linear-gradient(135deg, var(--idx-teal) 0%, #0369A1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.blog-hero-subtitle {
  font-family: var(--idx-ff-body);
  font-size: clamp(1.15rem, 1.9vw, 1.4rem);
  font-weight: 400;
  line-height: 1.45;
  color: var(--idx-slate);
  margin-block: 0 16px;
}

.blog-hero-lead {
  font-family: var(--idx-ff-ui);
  font-size: clamp(0.94rem, 1.15vw, 1.05rem);
  color: var(--idx-muted);
  margin-block: 0;
  line-height: 1.65;
  max-inline-size: 580px;
}

/* ─────────────────────────────────────────────
   §4 — Refined Dual Visual Stage (Asymmetric Diptych)
   ───────────────────────────────────────────── */
.blog-hero-visual-side {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: center;
  inline-size: 100%;
}

.hero-visual-duo-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(14px, 2vw, 20px);
  align-items: center;
  inline-size: 100%;
  max-inline-size: 560px;
}

@media (max-width: 540px) {
  .hero-visual-duo-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
}

.hero-visual-frame {
  position: relative;
  border-radius: var(--idx-r-xl);
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--idx-shadow-hero);
  background: var(--idx-surface-alt);
  isolation: isolate;
  transition: transform 0.5s var(--idx-ease-out), box-shadow 0.5s var(--idx-ease-out);
}

.hero-visual-frame-1 {
  aspect-ratio: 4 / 5.2;
}

.hero-visual-frame-2 {
  aspect-ratio: 4 / 5.2;
  transform: translateY(22px);
}

@media (max-width: 980px) {
  .hero-visual-frame-2 {
    transform: translateY(14px);
  }
}

.hero-visual-frame:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 68px -14px rgba(15, 118, 110, 0.16), 0 6px 20px -2px rgba(15, 23, 42, 0.06);
}

.hero-visual-frame-2:hover {
  transform: translateY(16px);
  box-shadow: 0 32px 68px -14px rgba(15, 118, 110, 0.16), 0 6px 20px -2px rgba(15, 23, 42, 0.06);
}

.hero-visual-frame .frame-img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--idx-ease-out);
}

.hero-visual-frame:hover .frame-img {
  transform: scale(1.05);
}

.hero-frame-glass-rim {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 1.5px 2px rgba(255, 255, 255, 0.95),
              inset 0 -1.5px 3px rgba(15, 118, 110, 0.06);
  pointer-events: none;
  z-index: 2;
}

/* ─────────────────────────────────────────────
   §5 — 2-Tier Exploration Command Center (Console)
   ───────────────────────────────────────────── */
.blog-control-suite {
  position: relative;
  margin-block-end: clamp(36px, 4.5vw, 48px);
  z-index: 20;
}

.control-suite-capsule {
  position: relative;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--idx-r-xl);
  padding: clamp(16px, 2vw, 22px);
  box-shadow: var(--idx-shadow-console);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Top Row: Search Bar & Sort Dropdown */
.control-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.control-heading-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--idx-ff-ui);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--idx-slate);
}

.control-heading-dot {
  inline-size: 6px;
  block-size: 6px;
  border-radius: 50%;
  background: var(--idx-teal);
}

.control-tools-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 auto;
  justify-content: flex-end;
}

@media (max-width: 680px) {
  .control-tools-group {
    inline-size: 100%;
    justify-content: space-between;
  }
}

/* High-Precision Search Box */
.search-tool-box {
  position: relative;
  display: flex;
  align-items: center;
  inline-size: min(100%, 340px);
}

@media (max-width: 680px) {
  .search-tool-box {
    inline-size: 100%;
    flex: 1 1 auto;
  }
}

.search-tool-icon {
  position: absolute;
  inset-inline-start: 14px;
  inline-size: 16px;
  block-size: 16px;
  color: var(--idx-muted);
  pointer-events: none;
}

.search-tool-input {
  inline-size: 100%;
  block-size: 40px;
  padding-inline-start: 38px;
  padding-inline-end: 38px;
  border-radius: var(--idx-r-cap);
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: var(--idx-white);
  color: var(--idx-navy);
  font-family: var(--idx-ff-ui);
  font-size: 0.88rem;
  transition: all var(--idx-speed) var(--idx-ease);
  box-sizing: border-box;
}

.search-tool-input:focus {
  outline: none;
  border-color: var(--idx-teal);
  box-shadow: var(--idx-shadow-focus);
}

.search-tool-input::placeholder {
  color: var(--idx-muted);
  font-size: 0.85rem;
}

.search-kbd-hint {
  position: absolute;
  inset-inline-end: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 18px;
  block-size: 18px;
  font-size: 0.7rem;
  font-family: var(--idx-ff-ui);
  color: var(--idx-muted);
  background: rgba(15, 23, 42, 0.05);
  border-radius: 4px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.search-tool-input:focus ~ .search-kbd-hint,
.search-tool-box.has-query .search-kbd-hint {
  opacity: 0;
  visibility: hidden;
}

.search-tool-clear {
  position: absolute;
  inset-inline-end: 8px;
  inline-size: 22px;
  block-size: 22px;
  border: none;
  background: rgba(15, 23, 42, 0.08);
  color: var(--idx-slate);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.search-tool-clear.is-visible {
  opacity: 1;
  visibility: visible;
}

.search-tool-clear:hover {
  background: rgba(15, 23, 42, 0.15);
  color: var(--idx-navy);
}

/* Sleek Sort Tool */
.sort-tool-box {
  position: relative;
  display: flex;
  align-items: center;
}

.sort-tool-select {
  appearance: none;
  -webkit-appearance: none;
  block-size: 40px;
  padding-inline: 14px 30px;
  border-radius: var(--idx-r-cap);
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: var(--idx-white);
  color: var(--idx-navy);
  font-family: var(--idx-ff-ui);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--idx-speed) var(--idx-ease);
}

.sort-tool-select:focus {
  outline: none;
  border-color: var(--idx-teal);
  box-shadow: var(--idx-shadow-focus);
}

.sort-tool-chevron {
  position: absolute;
  inset-inline-end: 10px;
  inline-size: 14px;
  block-size: 14px;
  color: var(--idx-muted);
  pointer-events: none;
}

/* Bottom Row: Category Filter Tabs Rail (Desktop) */
.filter-tabs-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-block: 2px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  border-block-start: 1px solid rgba(15, 23, 42, 0.06);
  padding-block-start: 12px;
}

.filter-tabs-wrapper::-webkit-scrollbar {
  display: none;
}

.filter-tab-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--idx-r-cap);
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.7);
  color: var(--idx-slate);
  font-family: var(--idx-ff-ui);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--idx-speed) var(--idx-ease);
  user-select: none;
}

.filter-tab-pill:hover {
  background: rgba(15, 118, 110, 0.06);
  color: var(--idx-teal);
  border-color: var(--idx-teal-border);
}

.filter-tab-pill.is-active {
  background: var(--idx-teal);
  color: var(--idx-white);
  border-color: var(--idx-teal);
  box-shadow: 0 3px 12px rgba(15, 118, 110, 0.25);
  font-weight: 600;
}

.filter-tab-pill:focus-visible {
  outline: 2px solid var(--idx-teal);
  outline-offset: 2px;
}

.filter-pill-count {
  font-size: 0.75rem;
  padding: 1px 6px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.06);
  color: inherit;
  font-variant-numeric: tabular-nums;
  transition: background 0.2s ease, color 0.2s ease;
}

.filter-tab-pill.is-active .filter-pill-count {
  background: rgba(255, 255, 255, 0.24);
  color: var(--idx-white);
}

/* Category Filter Dropdown (Mobile Viewport <= 768px) */
.category-select-box {
  position: relative;
  display: none;
  align-items: center;
  inline-size: 100%;
  border-block-start: 1px solid rgba(15, 23, 42, 0.06);
  padding-block-start: 12px;
}

.category-tool-select {
  appearance: none;
  -webkit-appearance: none;
  inline-size: 100%;
  block-size: 44px;
  padding-inline: 16px 36px;
  border-radius: var(--idx-r-cap);
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: var(--idx-white);
  color: var(--idx-navy);
  font-family: var(--idx-ff-ui);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--idx-speed) var(--idx-ease);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
}

.category-tool-select:focus {
  outline: none;
  border-color: var(--idx-teal);
  box-shadow: var(--idx-shadow-focus);
}

.category-tool-chevron {
  position: absolute;
  inset-inline-end: 14px;
  inline-size: 16px;
  block-size: 16px;
  color: var(--idx-teal);
  pointer-events: none;
}

@media (max-width: 768px) {
  .filter-tabs-wrapper {
    display: none !important;
  }

  .category-select-box {
    display: flex !important;
  }
}

/* ─────────────────────────────────────────────
   §6 — Liquid Glass Publication Card (Pristine Bento)
   ───────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 36px);
  margin-block-end: clamp(48px, 6vw, 64px);
}

.blog-card {
  position: relative;
  border-radius: var(--idx-r-xl);
  background: transparent;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  isolation: isolate;
  cursor: pointer;
  content-visibility: auto;
  contain-intrinsic-size: auto none auto 420px;
  transition: transform 0.35s var(--idx-ease-out), box-shadow 0.35s var(--idx-ease-out);
}

/* 3-Layer Glass Structure */
.blog-card .nav-pill-glass-container {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.blog-card .liquid-backdrop {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  transition: background 0.3s ease;
}

.blog-card .liquid-specular-rim {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: inset 0 1.5px 2px rgba(255, 255, 255, 0.9),
              inset 0 -1.5px 3px rgba(15, 118, 110, 0.04),
              0 16px 40px -10px rgba(15, 23, 42, 0.06);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.blog-card-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(24px, 3.5vw, 40px);
  align-items: center;
}

@media (max-width: 900px) {
  .blog-card-content {
    grid-template-columns: 1fr;
  }
}

.blog-card:hover {
  transform: translateY(-4px);
}

.blog-card:hover .liquid-specular-rim {
  border-color: rgba(15, 118, 110, 0.25);
  box-shadow: inset 0 1.5px 2px rgba(255, 255, 255, 1),
              inset 0 -1.5px 4px rgba(56, 189, 248, 0.12),
              var(--idx-shadow-hover);
}

.blog-card:focus-visible {
  outline: none;
}

.blog-card:focus-visible .liquid-specular-rim {
  border-color: var(--idx-teal);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.3);
}

/* Card Visual Thumbnail */
.blog-card-visual {
  position: relative;
  inline-size: 100%;
  aspect-ratio: 16 / 10.5;
  border-radius: var(--idx-r-lg);
  overflow: hidden;
  background: var(--idx-surface-alt);
}

.blog-card-img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--idx-ease-out);
  display: block;
}

.blog-card:hover .blog-card-img {
  transform: scale(1.04);
}

.blog-card-category-badge {
  position: absolute;
  inset-block-start: 12px;
  inset-inline-start: 12px;
  padding: 4px 12px;
  border-radius: var(--idx-r-cap);
  background: rgba(15, 118, 110, 0.9);
  color: var(--idx-white);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 3;
}

/* Card Text Body */
.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  font-size: 0.82rem;
  color: var(--idx-muted);
  margin-block-end: 12px;
}

.blog-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.blog-meta-dot {
  inline-size: 3px;
  block-size: 3px;
  border-radius: 50%;
  background: var(--idx-muted);
}

.blog-card-title {
  font-family: var(--idx-ff-display);
  font-size: clamp(1.35rem, 2.2vw, 1.95rem);
  font-weight: 600;
  line-height: 1.32;
  color: var(--idx-navy);
  margin-block: 0 12px;
  letter-spacing: -0.015em;
  text-wrap: pretty;
  transition: color 0.2s ease;
}

.blog-card:hover .blog-card-title {
  color: var(--idx-teal);
}

.blog-card-excerpt {
  font-family: var(--idx-ff-body);
  font-size: 1.02rem;
  line-height: 1.68;
  color: var(--idx-slate);
  margin-block: 0 24px;
}

.blog-card-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-block-start: 1px solid rgba(15, 23, 42, 0.06);
  padding-block-start: 18px;
  margin-block-start: auto;
}

.blog-card-author {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--idx-navy);
  line-height: 1.5;
  flex: 1 1 200px;
}

.blog-card-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--idx-r-cap);
  background: linear-gradient(135deg, var(--idx-teal) 0%, #0d9488 100%);
  color: var(--idx-white) !important;
  font-family: var(--idx-ff-ui);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.22);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .blog-card-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .blog-card-author {
    text-align: start;
    flex: 1 1 auto;
  }

  .blog-card-cta {
    inline-size: 100%;
    box-sizing: border-box;
  }
}

.blog-card-cta:hover,
.blog-card:hover .blog-card-cta {
  background: linear-gradient(135deg, #0d9488 0%, #115e59 100%);
  box-shadow: 0 6px 20px rgba(15, 118, 110, 0.32);
  transform: translateY(-2px);
  color: var(--idx-white) !important;
  text-decoration: none !important;
}

.blog-card-arrow {
  inline-size: 16px;
  block-size: 16px;
  transition: transform 0.25s var(--idx-ease);
}

.blog-card:hover .blog-card-arrow {
  transform: translate3d(4px, 0, 0);
}

:root[dir="rtl"] .blog-card:hover .blog-card-arrow {
  transform: translate3d(-4px, 0, 0) scaleX(-1);
}

:root[dir="rtl"] .blog-card-arrow {
  transform: scaleX(-1);
}

/* ─────────────────────────────────────────────
   §7 — Empty State Feedback Box
   ───────────────────────────────────────────── */
.blog-empty-state {
  display: none;
  text-align: center;
  padding: clamp(40px, 6vw, 64px) 24px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--idx-r-lg);
  border: 1px dashed rgba(15, 23, 42, 0.15);
  margin-block-end: 48px;
}

.blog-empty-state.is-visible {
  display: block;
}

.blog-empty-icon {
  inline-size: 48px;
  block-size: 48px;
  color: var(--idx-muted);
  margin-block-end: 14px;
}

.blog-empty-title {
  font-family: var(--idx-ff-display);
  font-size: 1.25rem;
  color: var(--idx-navy);
  margin-block: 0 6px;
}

.blog-empty-desc {
  font-size: 0.92rem;
  color: var(--idx-slate);
  max-inline-size: 420px;
  margin-inline: auto;
  margin-block-end: 18px;
}

.blog-empty-reset-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--idx-r-cap);
  background: var(--idx-teal);
  color: var(--idx-white);
  border: none;
  font-family: var(--idx-ff-ui);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.2s ease;
}

.blog-empty-reset-btn:hover {
  background: var(--idx-teal-dark);
}

/* ─────────────────────────────────────────────
   §8 — Accessibility Safeguards
   ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .blog-card:hover,
  .hero-visual-frame:hover {
    transform: none !important;
  }

  .blog-card:hover .blog-card-img,
  .hero-visual-frame:hover .frame-img {
    transform: none !important;
  }
}