/* ==========================================================================
   CREATIVE LAYOUT STYLESHEET: TECH PRECISION & DASHBOARD ENERGY
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. KEYFRAME ANIMATIONS & REDUCED MOTION
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  @keyframes hd28-beacon-pulse {
    0%, 100% {
      opacity: 0.9;
      transform: scale(1);
    }
    50% {
      opacity: 0.4;
      transform: scale(1.35);
    }
  }

  @keyframes hd28-fade-rise {
    from {
      opacity: 0;
      transform: translateY(12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .hd28-focus-cell {
    animation: hd28-fade-rise 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
  }
}

/* --------------------------------------------------------------------------
   1. GLOBAL REFINEMENT & NAVIGATION POLISH
   -------------------------------------------------------------------------- */
.hd28-nav-strip {
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 20px -8px rgba(10, 14, 22, 0.08);
}

.hd28-dock-in {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 24px;
}

.hd28-brand-lockup {
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0;
  flex-shrink: 0;
}

.hd28-brand-lockup svg {
  filter: drop-shadow(0 2px 6px rgba(var(--color-primary-rgb), 0.35));
}

.hd28-route-set {
  margin-bottom: 0;
  gap: 6px;
}

.hd28-route-set a {
  position: relative;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.hd28-route-set a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.hd28-util-dock {
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   2. HERO STAGE & TITLE ATMOSPHERE (TECH PRECISION)
   -------------------------------------------------------------------------- */
.hd28-title-stage {
  position: relative;
  background: radial-gradient(120% 90% at 50% 0%, #1c5243 0%, #102d24 60%, #0d1a16 100%);
  border-bottom: 1px solid rgba(var(--color-primary-rgb), 0.25);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.08);
}

.hd28-title-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  opacity: 0.7;
}

.hd28-focus-cell {
  position: relative;
  z-index: 2;
  max-width: 860px;
  padding: 84px 24px 76px;
}

.hd28-focus-cell::before {
  content: none;
}

.hd28-fresh-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #ffffff;
  padding: 5px 14px;
  border-radius: var(--radius-btn);
  font-size: 0.74rem;
  letter-spacing: 0.11em;
  font-weight: 700;
  margin-bottom: 1.4rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.18);
}

.hd28-fresh-note::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #50e3b2;
  box-shadow: 0 0 10px #50e3b2;
  animation: hd28-beacon-pulse 2s infinite ease-in-out;
}

.hd28-title-stage h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 1.1rem;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.hd28-title-stage p:not(.hd28-fresh-note) {
  font-size: 1.14rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
  max-width: 680px;
  margin: 0 0 2rem;
  font-weight: 400;
}

.hd28-go-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 18px rgba(var(--color-primary-rgb), 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  padding: 13px 28px;
  font-weight: 700;
  letter-spacing: 0.01em;
  font-size: 0.95rem;
}

.hd28-go-link:hover {
  background: #349477;
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(var(--color-primary-rgb), 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   3. LONG-FORM ARTICLE TYPOGRAPHY (.hd28-core-feed)
   -------------------------------------------------------------------------- */
.hd28-core-feed {
  max-width: 840px;
  padding: 3rem 1.5rem;
}

/* Headings with Precision Accents */
.hd28-core-feed h2 {
  position: relative;
  font-size: clamp(1.45rem, 3vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin: 2.8rem 0 1rem;
  padding-left: 18px;
  line-height: 1.25;
}

.hd28-core-feed h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  border-radius: 4px;
  box-shadow: 0 0 8px rgba(var(--color-primary-rgb), 0.4);
}

.hd28-core-feed h3 {
  position: relative;
  font-size: clamp(1.18rem, 2.3vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--color-text);
  margin: 2rem 0 0.65rem;
  line-height: 1.3;
}

/* Compact, Balanced Vertical Rhythm */
.hd28-core-feed p {
  font-size: 1.02rem;
  line-height: 1.68;
  margin: 0 0 0.95rem;
  color: var(--color-text);
  opacity: 0.92;
}

.hd28-core-feed strong {
  color: var(--color-text);
  font-weight: 700;
}

/* Links with Glowing Subtle Interaction */
.hd28-core-feed a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  font-weight: 600;
  transition: color 0.18s ease, text-decoration-color 0.18s ease;
}

.hd28-core-feed a:hover {
  opacity: 1;
  color: var(--color-primary-dark);
  text-decoration-color: var(--color-primary);
}

html.dark .hd28-core-feed a:hover {
  color: #6fe0bd;
}

/* Polished Technical Blockquote */
.hd28-core-feed blockquote {
  position: relative;
  margin: 1.8rem 0;
  padding: 1.2rem 1.6rem;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.05), var(--color-bg-card));
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-primary);
  border-radius: 4px var(--radius-card) var(--radius-card) 4px;
  box-shadow: 0 4px 16px rgba(10, 14, 22, 0.04);
}

.hd28-core-feed blockquote p {
  margin: 0;
  font-size: 1rem;
  font-style: italic;
  line-height: 1.65;
  color: var(--color-text);
  opacity: 0.95;
}

/* Refined Ordered and Unordered Lists */
.hd28-core-feed ul,
.hd28-core-feed ol {
  padding-left: 1.2rem;
  margin: 0.8rem 0 1.2rem;
}

.hd28-core-feed li {
  margin-bottom: 0.55rem;
  line-height: 1.6;
  color: var(--color-text);
  font-size: 0.98rem;
}

.hd28-core-feed ul > li::marker {
  color: var(--color-primary);
}

.hd28-core-feed ol > li::marker {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
}

/* Crisp Geometric Divider */
.hd28-core-feed hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), rgba(var(--color-primary-rgb), 0.4), var(--color-border), transparent);
  margin: 2.8rem 0;
}

/* In-Article Editorial Table (Non-score grid) */
.hd28-core-feed > table:not(#hd28-score-grid table) {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2rem 0;
  font-size: 0.92rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: var(--color-bg);
}

.hd28-core-feed > table:not(#hd28-score-grid table) th {
  background: var(--color-bg-card);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 13px 16px;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid rgba(var(--color-border), 0.5);
  text-align: left;
}

.hd28-core-feed > table:not(#hd28-score-grid table) th:last-child {
  border-right: none;
}

.hd28-core-feed > table:not(#hd28-score-grid table) td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid rgba(var(--color-border), 0.5);
  color: var(--color-text);
  vertical-align: middle;
}

.hd28-core-feed > table:not(#hd28-score-grid table) td:last-child {
  border-right: none;
}

.hd28-core-feed > table:not(#hd28-score-grid table) tbody tr:last-child td {
  border-bottom: none;
}

.hd28-core-feed > table:not(#hd28-score-grid table) tbody tr {
  transition: background-color 0.15s ease;
}

.hd28-core-feed > table:not(#hd28-score-grid table) tbody tr:nth-child(even) {
  background: rgba(var(--color-primary-rgb), 0.02);
}

.hd28-core-feed > table:not(#hd28-score-grid table) tbody tr:hover {
  background: rgba(var(--color-primary-rgb), 0.06);
}

@media (max-width: 768px) {
  .hd28-core-feed > table:not(#hd28-score-grid table) {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-ctl);
  }
}

/* --------------------------------------------------------------------------
   4. SECTION RHYTHM: INTERACTIVE FORMS & AUTHOR BIO
   -------------------------------------------------------------------------- */
#hd28-get-in-touch,
#hd28-editor-bio {
  max-width: 840px;
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

/* Form Polish */
#hd28-get-in-touch {
  padding: 40px;
  margin: 3.5rem auto 2.5rem;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-card) 100%);
}

.hd28-msg-heading {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 6px;
}

.hd28-ask-intro {
  font-size: 0.94rem;
  color: var(--color-text-muted);
  margin-bottom: 26px;
}

#hd28-message-panel input,
#hd28-message-panel textarea {
  background: var(--color-input-bg) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-ctl);
  padding: 12px 15px;
  font-size: 0.92rem;
  color: var(--color-text) !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

#hd28-message-panel input:focus,
#hd28-message-panel textarea:focus {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.16) !important;
}

#hd28-message-panel button[type="submit"] {
  background: var(--color-primary) !important;
  color: #ffffff !important;
  padding: 12px 34px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.94rem;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.35);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

#hd28-message-panel button[type="submit"]:hover {
  background: var(--color-primary-dark) !important;
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.45);
  transform: translateY(-2px);
}

/* Author Frame Polish */
#hd28-editor-bio {
  padding: 36px 40px;
  margin: 2.5rem auto 4rem;
  background: var(--color-bg);
}

.hd28-bio-row {
  flex-direction: row;
  align-items: center;
  gap: 26px;
}

.hd28-author-frame img {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 3px solid var(--color-bg-card);
  box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.4);
  flex-shrink: 0;
}

.hd28-byline-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.hd28-post-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
  border: 1px solid rgba(var(--color-primary-rgb), 0.22);
  padding: 3px 9px;
  border-radius: var(--radius-btn);
  margin-bottom: 10px;
}

.hd28-who-note {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.hd28-follow-set a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.86rem;
  color: var(--color-primary);
  text-decoration: none;
  padding: 4px 12px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(var(--color-primary-rgb), 0.2);
  background: rgba(var(--color-primary-rgb), 0.04);
  transition: all 0.2s ease;
}

.hd28-follow-set a:hover {
  background: rgba(var(--color-primary-rgb), 0.12);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   5. GROUND BAR / FOOTER FINISHING
   -------------------------------------------------------------------------- */
.hd28-ground-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 68px 24px 0;
  position: relative;
}

.hd28-ground-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-accent), transparent);
}

.hd28-ground-bar .hd28-brand-lockup {
  justify-content: flex-start;
  margin-bottom: 14px;
}

.hd28-base-caption {
  color: #ffffff;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  margin-bottom: 18px;
  opacity: 0.9;
}

.hd28-ground-bar a {
  padding: 2px 0;
  transition: color 0.2s ease, transform 0.2s ease;
}

.hd28-ground-bar a:hover {
  color: #ffffff;
  transform: translateX(3px);
}

.hd28-base-row {
  margin-top: 48px;
  padding: 24px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   6. RESPONSIVE BREAKPOINT BEHAVIOR
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hd28-link-columns {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .hd28-dock-in {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 18px;
    gap: 12px;
  }

  .hd28-brand-lockup {
    justify-content: center;
  }

  .hd28-route-set {
    justify-content: center;
    width: 100%;
  }

  .hd28-util-dock {
    justify-content: center;
    width: 100%;
  }

  #hd28-lookup-field {
    width: 100%;
    max-width: 240px;
  }

  #hd28-lookup-field:focus {
    width: 100%;
    max-width: 280px;
  }

  .hd28-focus-cell {
    padding: 56px 18px 48px;
  }

  .hd28-core-feed {
    padding: 2rem 1.1rem;
  }

  .hd28-core-feed h2 {
    padding-left: 14px;
  }

  .hd28-bio-row {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .hd28-follow-set {
    justify-content: center;
  }

  #hd28-get-in-touch,
  #hd28-editor-bio {
    padding: 24px 20px;
    margin-left: 14px;
    margin-right: 14px;
  }

  .hd28-link-columns {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hd28-ground-bar .hd28-brand-lockup {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .hd28-route-set a {
    padding: 6px 9px;
    font-size: 0.8rem;
  }

  .hd28-title-stage h1 {
    font-size: 1.95rem;
  }

  .hd28-title-stage p:not(.hd28-fresh-note) {
    font-size: 0.98rem;
  }

  .hd28-go-link {
    width: 100%;
    justify-content: center;
    padding: 12px 20px;
  }

  #hd28-message-panel button[type="submit"] {
    width: 100%;
  }
}

/* === CSS CONTENT === */

/* ==========================================================================
   HD28 DATA SUITE: COMPARISON MATRIX & FEATURED LISTINGS
   Aesthetic: Tech Precision — Crisp Geometry, Luminous Gradients, Dashboard Energy
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. UNIFIED SECTION HEADERS & GLASS TOKENS
   -------------------------------------------------------------------------- */
.hd28-dash-kicker,
.hd28-deck-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
  border: 1px solid rgba(var(--color-primary-rgb), 0.22);
  padding: 4px 12px;
  border-radius: var(--radius-btn);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: 0.65rem;
  box-shadow: 0 1px 4px rgba(var(--color-primary-rgb), 0.06);
}

.hd28-dash-title,
.hd28-deck-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.022em;
  color: var(--color-text);
  margin: 0 0 0.5rem;
  line-height: 1.25;
}

.hd28-dash-title span,
.hd28-deck-title span {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1c6b54 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

html.dark .hd28-dash-title span,
html.dark .hd28-deck-title span {
  background: linear-gradient(135deg, #6fe0bd 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hd28-dash-sub,
.hd28-deck-desc {
  font-size: 0.94rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
  max-width: 720px;
}

/* --------------------------------------------------------------------------
   2. COMPARISON TABLE (#hd28-score-grid)
   -------------------------------------------------------------------------- */
#hd28-score-grid {
  width: 100% !important;
  max-width: 100% !important;
  margin: 2.5rem 0 3.2rem;
  font-family: var(--font-sans);
}

.hd28-matrix-frame {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  position: relative;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.hd28-matrix-frame:hover {
  box-shadow: var(--shadow-card-hover);
}

.hd28-matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  line-height: 1.45;
  text-align: left;
}

.hd28-matrix-table thead {
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
}

.hd28-matrix-table th {
  padding: 14px 14px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  border: none;
}

.hd28-matrix-table th.hd28-th-center {
  text-align: center;
}

.hd28-matrix-table th.hd28-th-action {
  text-align: right;
  padding-right: 20px;
}

.hd28-matrix-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.18s ease;
}

.hd28-matrix-table tbody tr:last-child {
  border-bottom: none;
}

.hd28-matrix-table tbody tr:hover {
  background: rgba(var(--color-primary-rgb), 0.035);
}

.hd28-matrix-table td {
  padding: 14px 14px;
  vertical-align: middle;
  color: var(--color-text);
  border: none;
}

/* Winner Row (Municorn Fax App #1) */
.hd28-matrix-table tr.hd28-pinnacle-tier {
  background: linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.09) 0%, rgba(var(--color-primary-rgb), 0.02) 100%);
  position: relative;
}

.hd28-matrix-table tr.hd28-pinnacle-tier:hover {
  background: linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.14) 0%, rgba(var(--color-primary-rgb), 0.04) 100%);
}

html.dark .hd28-matrix-table tr.hd28-pinnacle-tier {
  background: linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.15) 0%, rgba(var(--color-primary-rgb), 0.03) 100%);
}

/* Service ID Token & Badge */
.hd28-id-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hd28-idx-token {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.hd28-pinnacle-tier .hd28-idx-token {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(var(--color-primary-rgb), 0.45);
}

.hd28-id-content {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.hd28-svc-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--color-text);
  line-height: 1.25;
}

.hd28-pinnacle-tier .hd28-svc-name {
  font-size: 1.02rem;
}

/* Winner Precision Stamp */
.hd28-crown-capsule {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(var(--color-primary-rgb), 0.14);
  border: 1px solid rgba(var(--color-primary-rgb), 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-primary-dark);
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: var(--radius-btn);
  width: fit-content;
}

html.dark .hd28-crown-capsule {
  color: #6fe0bd;
  background: rgba(var(--color-primary-rgb), 0.22);
  border-color: rgba(var(--color-primary-rgb), 0.45);
}

/* Precision Metric Gauge */
.hd28-score-shell {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hd28-metric-gauge {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 5px 9px;
  border-radius: var(--radius-ctl);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.hd28-pinnacle-tier .hd28-metric-gauge {
  background: rgba(var(--color-primary-rgb), 0.12);
  border-color: rgba(var(--color-primary-rgb), 0.32);
  color: var(--color-primary);
  box-shadow: inset 0 0 10px rgba(var(--color-primary-rgb), 0.08);
}

.hd28-scale-max {
  font-size: 0.66rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Plan Typography & Price Tag */
.hd28-val-main {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.hd28-val-sub {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  line-height: 1.35;
  margin-top: 2px;
}

.hd28-price-tag {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-bg-card);
  padding: 4px 9px;
  border-radius: var(--radius-ctl);
  border: 1px solid var(--color-border);
  display: inline-block;
  line-height: 1.25;
}

.hd28-pinnacle-tier .hd28-price-tag {
  background: rgba(var(--color-primary-rgb), 0.09);
  border-color: rgba(var(--color-primary-rgb), 0.28);
  font-weight: 700;
}

/* Action CTA: Table */
.hd28-action-dock {
  text-align: right;
  padding-right: 20px;
}

.hd28-launch-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  background: var(--color-bg-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.hd28-launch-btn:hover {
  background: rgba(var(--color-primary-rgb), 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.hd28-pinnacle-tier .hd28-launch-btn {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 3px 12px rgba(var(--color-primary-rgb), 0.36);
  font-weight: 700;
  padding: 9px 18px;
}

.hd28-pinnacle-tier .hd28-launch-btn:hover {
  box-shadow: 0 5px 18px rgba(var(--color-primary-rgb), 0.48);
  transform: translateY(-2px);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   3. FEATURED LISTINGS CARDS (#hd28-featured-list)
   -------------------------------------------------------------------------- */
#hd28-featured-list {
  margin: 3.2rem 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
  font-family: var(--font-sans);
}

.hd28-node-item {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 26px;
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.24s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.24s ease;
  overflow: hidden;
}

.hd28-node-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

/* Card #1 Pinnacle Winner: Municorn Fax App */
.hd28-node-item.hd28-node-apex {
  border-color: rgba(var(--color-primary-rgb), 0.5);
  background: linear-gradient(176deg, rgba(var(--color-primary-rgb), 0.05) 0%, var(--color-bg) 36%);
  box-shadow: 0 4px 22px rgba(var(--color-primary-rgb), 0.12), var(--shadow-card);
}

.hd28-node-item.hd28-node-apex::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, rgba(var(--color-primary-rgb), 0.35) 100%);
}

html.dark .hd28-node-item.hd28-node-apex {
  background: linear-gradient(176deg, rgba(var(--color-primary-rgb), 0.08) 0%, var(--color-bg) 40%);
  border-color: rgba(var(--color-primary-rgb), 0.45);
}

/* Card Masthead */
.hd28-card-mast {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 1rem;
}

.hd28-title-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hd28-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.hd28-rank-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 700;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.hd28-node-apex .hd28-rank-pill {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(var(--color-primary-rgb), 0.35);
}

.hd28-winner-stamp {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  background: rgba(var(--color-primary-rgb), 0.14);
  color: var(--color-primary-dark);
  border: 1px solid rgba(var(--color-primary-rgb), 0.35);
  padding: 3px 10px;
  border-radius: var(--radius-btn);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

html.dark .hd28-winner-stamp {
  color: #6fe0bd;
  background: rgba(var(--color-primary-rgb), 0.22);
  border-color: rgba(var(--color-primary-rgb), 0.45);
}

.hd28-tier-tag {
  display: inline-flex;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  border-radius: var(--radius-ctl);
}

.hd28-product-heading {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.018em;
  margin: 0;
  color: var(--color-text);
  line-height: 1.25;
}

/* Card Score Pod */
.hd28-score-pod {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
}

.hd28-pod-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 6px 12px;
  border-radius: var(--radius-ctl);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
  box-shadow: 0 1px 3px rgba(10, 14, 22, 0.04);
}

.hd28-node-apex .hd28-pod-badge {
  background: rgba(var(--color-primary-rgb), 0.12);
  border-color: rgba(var(--color-primary-rgb), 0.32);
  color: var(--color-primary);
  box-shadow: inset 0 0 10px rgba(var(--color-primary-rgb), 0.08);
}

.hd28-pod-max {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.hd28-pod-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* Card Blurb */
.hd28-blurb-text {
  font-size: 0.94rem;
  line-height: 1.58;
  color: var(--color-text-muted);
  margin: 0 0 1.15rem;
}

/* Compact Pros & Cons Grid */
.hd28-eval-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-ctl);
  padding: 14px 16px;
  margin-bottom: 1.25rem;
}

.hd28-eval-pro-col,
.hd28-eval-con-col {
  display: flex;
  flex-direction: column;
}

.hd28-eval-caption {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 7px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.hd28-caption-pro {
  color: var(--color-success);
}

.hd28-caption-con {
  color: var(--color-danger);
}

.hd28-eval-list {
  list-style: none;
  padding: 0;
  margin: 0 !important;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hd28-eval-list li {
  position: relative;
  padding-left: 1.35rem !important;
  font-size: 0.86rem !important;
  line-height: 1.42;
  color: var(--color-text) !important;
  margin: 0 !important;
}

.hd28-eval-pro-col .hd28-eval-list li::before {
  content: "✓";
  color: var(--color-success);
  position: absolute;
  left: 0;
  font-weight: 800;
  font-size: 0.9rem;
}

.hd28-eval-con-col .hd28-eval-list li::before {
  content: "✕";
  color: var(--color-danger);
  position: absolute;
  left: 0;
  font-weight: 800;
  font-size: 0.85rem;
}

/* Card Foot & CTAs */
.hd28-node-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.hd28-pricing-cluster {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hd28-pricing-cost {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.hd28-pricing-period {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.hd28-action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: var(--radius-btn);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  background: var(--color-bg-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.hd28-action-link:hover {
  background: rgba(var(--color-primary-rgb), 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.hd28-node-apex .hd28-action-link {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.36);
  font-weight: 700;
  padding: 10px 24px;
}

.hd28-node-apex .hd28-action-link:hover {
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.48);
  transform: translateY(-2px);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   4. FULL RESPONSIVE OVERRIDES: ZERO HORIZONTAL SCROLL ON ANY VIEWPORT
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  /* Override any table overflow defaults to enforce clean vertical stacking */
  #hd28-score-grid {
    overflow-x: visible !important;
    width: 100% !important;
  }

  .hd28-matrix-frame {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    overflow: visible !important;
  }

  .hd28-matrix-table,
  .hd28-matrix-table thead,
  .hd28-matrix-table tbody,
  .hd28-matrix-table tr,
  .hd28-matrix-table th,
  .hd28-matrix-table td {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .hd28-matrix-table thead {
    display: none !important;
  }

  .hd28-matrix-table tbody tr {
    background: var(--color-bg);
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    margin-bottom: 14px;
    padding: 16px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  .hd28-matrix-table tr.hd28-pinnacle-tier {
    border-color: rgba(var(--color-primary-rgb), 0.48) !important;
    background: linear-gradient(180deg, rgba(var(--color-primary-rgb), 0.08) 0%, var(--color-bg) 60%) !important;
    box-shadow: 0 3px 18px rgba(var(--color-primary-rgb), 0.12), var(--shadow-card);
  }

  .hd28-matrix-table td {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0 !important;
    border: none !important;
    text-align: right;
  }

  .hd28-matrix-table td::before {
    content: attr(data-label);
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-text-muted);
    text-align: left;
    padding-right: 12px;
    flex-shrink: 0;
  }

  .hd28-matrix-table td[data-label="Service"] {
    justify-content: flex-start;
    padding-bottom: 10px !important;
    border-bottom: 1px solid var(--color-border) !important;
    margin-bottom: 6px;
  }

  .hd28-matrix-table td[data-label="Service"]::before {
    display: none !important;
  }

  .hd28-matrix-table td[data-label="Action"] {
    display: block !important;
    padding-top: 12px !important;
    margin-top: 6px;
    border-top: 1px solid var(--color-border) !important;
    text-align: center;
  }

  .hd28-matrix-table td[data-label="Action"]::before {
    display: none !important;
  }

  .hd28-launch-btn {
    width: 100% !important;
    padding: 10px 18px;
    font-size: 0.86rem;
  }

  /* Responsive Listings Cards */
  .hd28-node-item {
    padding: 20px;
  }

  .hd28-card-mast {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 12px;
  }

  .hd28-score-pod {
    align-items: flex-start;
  }

  .hd28-eval-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 12px 14px;
  }

  .hd28-node-foot {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .hd28-action-link {
    width: 100%;
    text-align: center;
    padding: 11px 20px;
  }
}