/*
Theme Name: PeptideBible
Theme URI: https://peptidebible.co
Author: Letter Seven
Author URI: https://letterseven.co
Description: The definitive research peptide reference — dosage calculators, scheduling tools, compound profiles, and exclusive SourcePeptides integration.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: Proprietary
License URI: https://peptidebible.co/license
Text Domain: peptidebible
Tags: dark, one-column, custom-menu, featured-images, custom-logo
*/

/* ========================================
   CSS CUSTOM PROPERTIES
   ======================================== */
:root {
  /* Primary Blues */
  --pb-blue-900: #1e3a5f;
  --pb-blue-800: #1e40af;
  --pb-blue-700: #1d4ed8;
  --pb-blue-600: #2563eb;
  --pb-blue-500: #3b82f6;
  --pb-blue-400: #60a5fa;
  --pb-blue-300: #93c5fd;
  --pb-blue-200: #bfdbfe;
  --pb-blue-100: #dbeafe;

  /* Greys / Slates */
  --pb-slate-950: #0b1220;
  --pb-slate-900: #0f172a;
  --pb-slate-800: #1e293b;
  --pb-slate-700: #334155;
  --pb-slate-600: #475569;
  --pb-slate-500: #64748b;
  --pb-slate-400: #94a3b8;
  --pb-slate-300: #cbd5e1;
  --pb-slate-200: #e2e8f0;
  --pb-slate-100: #f1f5f9;
  --pb-slate-50: #f8fafc;

  /* Category Colors */
  --pb-cat-recovery: #34d399;
  --pb-cat-recovery-bg: rgba(16, 185, 129, 0.1);
  --pb-cat-glp1: #c084fc;
  --pb-cat-glp1-bg: rgba(168, 85, 247, 0.1);
  --pb-cat-growth: #fbbf24;
  --pb-cat-growth-bg: rgba(245, 158, 11, 0.1);
  --pb-cat-cognitive: #60a5fa;
  --pb-cat-cognitive-bg: rgba(59, 130, 246, 0.1);
  --pb-cat-longevity: #f472b6;
  --pb-cat-longevity-bg: rgba(236, 72, 153, 0.1);
  --pb-cat-sleep: #818cf8;
  --pb-cat-sleep-bg: rgba(99, 102, 241, 0.1);
  --pb-cat-lifestyle: #fb7185;
  --pb-cat-lifestyle-bg: rgba(244, 63, 94, 0.1);
  --pb-cat-skin: #2dd4bf;
  --pb-cat-skin-bg: rgba(20, 184, 166, 0.1);
  --pb-cat-metabolic: #a78bfa;
  --pb-cat-metabolic-bg: rgba(139, 92, 246, 0.1);

  /* Functional */
  --pb-bg: var(--pb-slate-950);
  --pb-surface: rgba(30, 41, 59, 0.4);
  --pb-surface-hover: rgba(30, 41, 59, 0.6);
  --pb-border: rgba(59, 130, 246, 0.08);
  --pb-border-hover: rgba(59, 130, 246, 0.25);
  --pb-text: var(--pb-slate-200);
  --pb-text-muted: var(--pb-slate-500);
  --pb-text-heading: var(--pb-slate-100);
  --pb-accent: var(--pb-blue-600);
  --pb-accent-light: var(--pb-blue-400);
  --pb-gradient: linear-gradient(135deg, #2563eb, #3b82f6, #60a5fa);
  --pb-glow: rgba(37, 99, 235, 0.3);

  /* Typography */
  --pb-font-body: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
  --pb-font-mono: 'Space Mono', 'Courier New', monospace;

  /* Spacing */
  --pb-container: 1280px;
  --pb-radius: 12px;
  --pb-radius-lg: 16px;
  --pb-radius-pill: 100px;

  /* Transitions */
  --pb-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --pb-duration: 0.25s;
}


/* ========================================
   RESET & BASE
   ======================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--pb-font-body);
  background-color: var(--pb-bg);
  color: var(--pb-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--pb-blue-400);
  text-decoration: none;
  transition: color var(--pb-duration) var(--pb-ease);
}
a:hover { color: var(--pb-blue-300); }

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, h5, h6 {
  color: var(--pb-text-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 1.75rem); }
h3 { font-size: 1.25rem; }

p { color: var(--pb-text-muted); }


/* ========================================
   LAYOUT
   ======================================== */
.pb-container {
  max-width: var(--pb-container);
  margin: 0 auto;
  padding: 0 32px;
}

.pb-section {
  padding: 60px 0;
}

.pb-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 12px;
}

.pb-section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--pb-text-heading);
  letter-spacing: -0.5px;
}

.pb-section-link {
  color: var(--pb-blue-500);
  font-size: 14px;
  font-weight: 500;
}
.pb-section-link:hover { color: var(--pb-blue-400); }


/* ========================================
   NAVIGATION
   ======================================== */
.pb-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(11, 18, 32, 0.85);
  border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.pb-nav-inner {
  max-width: var(--pb-container);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.pb-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.pb-logo-mark {
  flex-shrink: 0;
  filter: drop-shadow(0 2px 8px rgba(37, 99, 235, 0.3));
  transition: filter var(--pb-duration) var(--pb-ease);
}
.pb-logo:hover .pb-logo-mark {
  filter: drop-shadow(0 2px 12px rgba(37, 99, 235, 0.5));
}

.pb-logo-text {
  font-family: var(--pb-font-body);
  font-weight: 700;
  font-size: 19px;
  color: var(--pb-slate-100) !important;
  letter-spacing: -0.3px;
  line-height: 1;
}

.pb-logo-text-accent {
  color: var(--pb-blue-400) !important;
}

/* Desktop menu */
.pb-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.pb-menu a {
  color: var(--pb-slate-400);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--pb-duration) var(--pb-ease);
  padding: 4px 0;
}
.pb-menu a:hover,
.pb-menu .current-menu-item a,
.pb-menu .current_page_item a {
  color: var(--pb-blue-400);
}

.pb-menu .menu-item-cta a {
  background: var(--pb-gradient);
  color: white !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13px;
  box-shadow: 0 2px 12px var(--pb-glow);
  transition: all var(--pb-duration) var(--pb-ease);
}
.pb-menu .menu-item-cta a:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.5);
}

/* Mobile hamburger */
.pb-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.pb-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--pb-slate-300);
  border-radius: 2px;
  transition: all 0.3s var(--pb-ease);
}
.pb-hamburger.active span:nth-child(1) { transform: rotate(45deg) translateY(7px); }
.pb-hamburger.active span:nth-child(2) { opacity: 0; }
.pb-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translateY(-7px); }

/* Mobile menu */
.pb-mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 18, 32, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: 32px;
}
.pb-mobile-menu.active { display: block; }
.pb-mobile-menu ul { list-style: none; }
.pb-mobile-menu li { border-bottom: 1px solid rgba(59, 130, 246, 0.08); }
.pb-mobile-menu a {
  display: block;
  padding: 16px 0;
  color: var(--pb-slate-300);
  font-size: 18px;
  font-weight: 500;
}
.pb-mobile-menu a:hover { color: var(--pb-blue-400); }

@media (max-width: 768px) {
  .pb-menu { display: none; }
  .pb-hamburger { display: flex; }
}


/* ========================================
   HERO
   ======================================== */
.pb-hero {
  padding: 140px 32px 80px;
  text-align: center;
  position: relative;
  max-width: var(--pb-container);
  margin: 0 auto;
}

.pb-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.pb-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 6px 16px;
  border-radius: var(--pb-radius-pill);
  font-size: 13px;
  color: var(--pb-blue-400);
  margin-bottom: 24px;
  font-weight: 500;
}

.pb-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pb-blue-500);
  animation: pb-pulse 2s ease infinite;
}

@keyframes pb-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.pb-hero h1 {
  margin-bottom: 20px;
  position: relative;
}

.pb-hero h1 .pb-gradient-text {
  background: var(--pb-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pb-hero-sub {
  font-size: 18px;
  color: var(--pb-slate-500);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.6;
}


/* ========================================
   SEARCH BAR
   ======================================== */
.pb-search-wrap {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.pb-search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--pb-slate-600);
  font-size: 18px;
  pointer-events: none;
}

.pb-search-input {
  width: 100%;
  padding: 16px 24px 16px 52px;
  border-radius: 14px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.15);
  color: var(--pb-text);
  font-size: 16px;
  font-family: var(--pb-font-body);
  outline: none;
  transition: all 0.3s var(--pb-ease);
}

.pb-search-input:focus {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  background: rgba(30, 41, 59, 0.8);
}

.pb-search-input::placeholder { color: var(--pb-slate-600); }


/* ========================================
   AUTOCOMPLETE DROPDOWN
   ======================================== */
.pb-autocomplete {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.97);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 12px;
  max-height: 380px;
  overflow-y: auto;
  display: none;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  margin-top: 6px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.pb-autocomplete.active {
  display: block;
  animation: pb-acSlide 0.15s ease;
}

@keyframes pb-acSlide {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.pb-ac-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  cursor: pointer;
  transition: background 0.1s;
  border-bottom: 1px solid rgba(59, 130, 246, 0.05);
  text-decoration: none;
  color: inherit;
  gap: 12px;
}

.pb-ac-item:last-child { border-bottom: none; }

.pb-ac-item:hover,
.pb-ac-item--active {
  background: rgba(37, 99, 235, 0.1);
}

.pb-ac-item-left {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  flex: 1;
}

.pb-ac-name {
  font-weight: 700;
  font-size: 15px;
  color: var(--pb-slate-100);
  font-family: var(--pb-font-mono);
}

.pb-ac-highlight {
  background: rgba(59, 130, 246, 0.25);
  color: var(--pb-blue-300);
  border-radius: 3px;
  padding: 0 2px;
}

.pb-ac-excerpt {
  font-size: 12px;
  color: var(--pb-slate-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.pb-ac-cat {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  border-radius: var(--pb-radius-pill);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Category colors for autocomplete */
.pb-ac-cat--recovery { background: var(--pb-cat-recovery-bg); color: var(--pb-cat-recovery); }
.pb-ac-cat--glp-1 { background: var(--pb-cat-glp1-bg); color: var(--pb-cat-glp1); }
.pb-ac-cat--growth { background: var(--pb-cat-growth-bg); color: var(--pb-cat-growth); }
.pb-ac-cat--cognitive { background: var(--pb-cat-cognitive-bg); color: var(--pb-cat-cognitive); }
.pb-ac-cat--longevity { background: var(--pb-cat-longevity-bg); color: var(--pb-cat-longevity); }
.pb-ac-cat--sleep { background: var(--pb-cat-sleep-bg); color: var(--pb-cat-sleep); }
.pb-ac-cat--lifestyle { background: var(--pb-cat-lifestyle-bg); color: var(--pb-cat-lifestyle); }
.pb-ac-cat--skin { background: var(--pb-cat-skin-bg); color: var(--pb-cat-skin); }

.pb-ac-empty {
  padding: 20px;
  text-align: center;
  color: var(--pb-slate-500);
  font-size: 13px;
}

@media (max-width: 640px) {
  .pb-ac-excerpt { display: none; }
  .pb-ac-item { padding: 12px 14px; }
}


/* ========================================
   CATEGORY FILTERS
   ======================================== */
.pb-categories {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
  list-style: none;
}

.pb-cat-btn,
.pb-categories a {
  padding: 7px 16px;
  border-radius: var(--pb-radius-pill);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s var(--pb-ease);
  border: 1px solid transparent;
  background: rgba(30, 41, 59, 0.4);
  color: var(--pb-slate-400);
  display: inline-block;
}

.pb-cat-btn:hover,
.pb-categories a:hover {
  background: rgba(30, 41, 59, 0.7);
  color: var(--pb-slate-300);
}

.pb-cat-btn.active,
.pb-categories .current-cat a {
  background: rgba(37, 99, 235, 0.15);
  color: var(--pb-blue-400);
  border-color: rgba(59, 130, 246, 0.3);
}


/* ========================================
   TOOL CARDS
   ======================================== */
.pb-tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.pb-tool-card {
  background: var(--pb-surface);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-lg);
  padding: 28px 24px;
  cursor: pointer;
  transition: all 0.3s var(--pb-ease);
  position: relative;
  overflow: hidden;
  display: block;
  color: inherit;
}

.pb-tool-card:hover {
  border-color: var(--pb-border-hover);
  background: var(--pb-surface-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
  color: inherit;
}

.pb-tool-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.pb-tool-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--pb-text-heading);
  margin-bottom: 8px;
}

.pb-tool-desc {
  font-size: 13px;
  color: var(--pb-slate-500);
  line-height: 1.5;
}

.pb-tool-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--pb-radius-pill);
  background: rgba(37, 99, 235, 0.15);
  color: var(--pb-blue-400);
}

@media (max-width: 900px) {
  .pb-tools-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .pb-tools-grid { grid-template-columns: 1fr; }
}


/* ========================================
   PEPTIDE CARDS (Archive Grid)
   ======================================== */
.pb-peptides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.pb-pep-card {
  background: rgba(30, 41, 59, 0.3);
  border: 1px solid rgba(59, 130, 246, 0.06);
  border-radius: var(--pb-radius);
  padding: 20px;
  transition: all var(--pb-duration) var(--pb-ease);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pb-pep-card:hover {
  border-color: rgba(59, 130, 246, 0.2);
  background: rgba(30, 41, 59, 0.5);
}

.pb-pep-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pb-pep-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--pb-text-heading);
  font-family: var(--pb-font-mono);
}
.pb-pep-name a { color: inherit; }
.pb-pep-name a:hover { color: var(--pb-blue-400); }

.pb-pep-cat {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  border-radius: var(--pb-radius-pill);
}

/* Category badge colors */
.pb-pep-cat--recovery { background: var(--pb-cat-recovery-bg); color: var(--pb-cat-recovery); }
.pb-pep-cat--glp-1 { background: var(--pb-cat-glp1-bg); color: var(--pb-cat-glp1); }
.pb-pep-cat--growth { background: var(--pb-cat-growth-bg); color: var(--pb-cat-growth); }
.pb-pep-cat--cognitive { background: var(--pb-cat-cognitive-bg); color: var(--pb-cat-cognitive); }
.pb-pep-cat--longevity { background: var(--pb-cat-longevity-bg); color: var(--pb-cat-longevity); }
.pb-pep-cat--sleep { background: var(--pb-cat-sleep-bg); color: var(--pb-cat-sleep); }
.pb-pep-cat--lifestyle { background: var(--pb-cat-lifestyle-bg); color: var(--pb-cat-lifestyle); }
.pb-pep-cat--skin { background: var(--pb-cat-skin-bg); color: var(--pb-cat-skin); }
.pb-pep-cat--metabolic { background: var(--pb-cat-metabolic-bg); color: var(--pb-cat-metabolic); }

.pb-pep-desc {
  font-size: 13px;
  color: var(--pb-slate-500);
  line-height: 1.5;
}

.pb-pep-bottom {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.pb-pep-link {
  font-size: 13px;
  color: var(--pb-blue-500);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}
.pb-pep-link:hover { color: var(--pb-blue-400); }

.pb-pep-link--shop { color: var(--pb-slate-400); }
.pb-pep-link--shop:hover { color: var(--pb-blue-400); }

@media (max-width: 900px) {
  .pb-peptides-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .pb-peptides-grid { grid-template-columns: 1fr; }
}


/* ========================================
   VENDOR CTA BANNER
   ======================================== */
.pb-vendor-bar {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(59, 130, 246, 0.04));
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: var(--pb-radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 40px;
}

.pb-vendor-info h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--pb-text-heading);
  margin-bottom: 6px;
}

.pb-vendor-info p {
  font-size: 14px;
  color: var(--pb-slate-500);
}

.pb-btn {
  display: inline-block;
  background: var(--pb-gradient);
  color: white;
  padding: 14px 32px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  font-family: var(--pb-font-body);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--pb-glow);
  transition: all 0.2s var(--pb-ease);
  white-space: nowrap;
  text-align: center;
}

.pb-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.45);
  color: white;
}

.pb-btn--sm {
  padding: 8px 20px;
  font-size: 13px;
}

.pb-btn--outline {
  background: transparent;
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--pb-blue-400);
  box-shadow: none;
}
.pb-btn--outline:hover {
  background: rgba(37, 99, 235, 0.1);
  box-shadow: none;
  color: var(--pb-blue-300);
}

@media (max-width: 700px) {
  .pb-vendor-bar {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}


/* ========================================
   STATS BAR
   ======================================== */
.pb-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid rgba(59, 130, 246, 0.06);
}

.pb-stat { text-align: center; }

.pb-stat-val {
  font-family: var(--pb-font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--pb-blue-500);
  margin-bottom: 4px;
}

.pb-stat-label {
  font-size: 13px;
  color: var(--pb-slate-600);
}

@media (max-width: 600px) {
  .pb-stats { grid-template-columns: repeat(2, 1fr); }
}


/* ========================================
   SINGLE PEPTIDE PAGE
   ======================================== */
.pb-single-peptide {
  padding-top: 100px;
}

.pb-single-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.pb-single-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.pb-content-card {
  background: var(--pb-surface);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-lg);
  padding: 32px;
  margin-bottom: 24px;
}

.pb-content-card h2 {
  margin-bottom: 16px;
  font-size: 1.25rem;
}

.pb-content-card p {
  line-height: 1.7;
  margin-bottom: 12px;
}

.pb-content-card p:last-child { margin-bottom: 0; }


/* ========================================
   TOOL PAGES (Calculator, Scheduler, etc.)
   ======================================== */
.pb-tool-page {
  padding-top: 100px;
  min-height: 80vh;
}

.pb-tool-header {
  text-align: center;
  margin-bottom: 48px;
}

.pb-tool-header h1 {
  margin-bottom: 12px;
}

.pb-tool-header p {
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto;
}

.pb-calculator-wrap,
.pb-scheduler-wrap,
.pb-stack-wrap,
.pb-plotter-wrap {
  max-width: 800px;
  margin: 0 auto;
}

/* Form elements */
.pb-field {
  margin-bottom: 20px;
}

.pb-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--pb-slate-300);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pb-input,
.pb-select {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.12);
  color: var(--pb-text);
  font-size: 15px;
  font-family: var(--pb-font-body);
  outline: none;
  transition: all 0.2s var(--pb-ease);
}

.pb-input:focus,
.pb-select:focus {
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
}

.pb-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.pb-result-box {
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: var(--pb-radius-lg);
  padding: 24px;
  text-align: center;
}

.pb-result-val {
  font-family: var(--pb-font-mono);
  font-size: 36px;
  font-weight: 700;
  color: var(--pb-blue-400);
}

.pb-result-label {
  font-size: 14px;
  color: var(--pb-slate-400);
  margin-top: 4px;
}


/* ========================================
   BLOG / POSTS
   ======================================== */
.pb-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pb-post-card {
  background: var(--pb-surface);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-lg);
  overflow: hidden;
  transition: all 0.3s var(--pb-ease);
}

.pb-post-card:hover {
  border-color: var(--pb-border-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.pb-post-thumb {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.pb-post-body {
  padding: 24px;
}

.pb-post-date {
  font-size: 12px;
  color: var(--pb-slate-500);
  margin-bottom: 8px;
}

.pb-post-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--pb-text-heading);
  margin-bottom: 8px;
  line-height: 1.3;
}
.pb-post-title a { color: inherit; }
.pb-post-title a:hover { color: var(--pb-blue-400); }

.pb-post-excerpt {
  font-size: 14px;
  color: var(--pb-slate-500);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .pb-blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .pb-blog-grid { grid-template-columns: 1fr; }
}


/* ========================================
   SINGLE POST CONTENT
   ======================================== */
.pb-single-post {
  padding-top: 100px;
}

.pb-post-content {
  max-width: 760px;
  margin: 0 auto;
}

.pb-post-content h1 {
  margin-bottom: 16px;
}

.pb-post-content .pb-post-meta {
  display: flex;
  gap: 16px;
  font-size: 14px;
  color: var(--pb-slate-500);
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(59, 130, 246, 0.08);
}

.pb-post-content .entry-content {
  font-size: 17px;
  line-height: 1.8;
  color: var(--pb-slate-300);
}

.pb-post-content .entry-content h2 {
  margin: 48px 0 16px;
}

.pb-post-content .entry-content h3 {
  margin: 36px 0 12px;
}

.pb-post-content .entry-content p {
  margin-bottom: 20px;
  color: var(--pb-slate-300);
}

.pb-post-content .entry-content ul,
.pb-post-content .entry-content ol {
  margin: 16px 0 20px 24px;
  color: var(--pb-slate-300);
}

.pb-post-content .entry-content li {
  margin-bottom: 8px;
}

.pb-post-content .entry-content blockquote {
  border-left: 3px solid var(--pb-blue-500);
  padding: 16px 24px;
  margin: 24px 0;
  background: rgba(30, 41, 59, 0.3);
  border-radius: 0 var(--pb-radius) var(--pb-radius) 0;
}

.pb-post-content .entry-content img {
  border-radius: var(--pb-radius);
  margin: 24px 0;
}

.pb-post-content .entry-content a {
  color: var(--pb-blue-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}


/* ========================================
   FOOTER
   ======================================== */
.pb-footer {
  border-top: 1px solid rgba(59, 130, 246, 0.08);
  padding: 40px 0;
  margin-top: 60px;
}

.pb-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.pb-footer-copy {
  font-size: 13px;
  color: var(--pb-slate-600);
}

.pb-footer-menu {
  display: flex;
  gap: 24px;
  list-style: none;
}

.pb-footer-menu a {
  color: var(--pb-slate-600);
  font-size: 13px;
}
.pb-footer-menu a:hover { color: var(--pb-blue-400); }

@media (max-width: 600px) {
  .pb-footer-inner {
    flex-direction: column;
    text-align: center;
  }
}


/* ========================================
   ANIMATIONS
   ======================================== */
.pb-fade-in {
  opacity: 0;
  transform: translateY(16px);
  animation: pb-fadeUp 0.6s var(--pb-ease) forwards;
}

@keyframes pb-fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pb-delay-1 { animation-delay: 0.1s; }
.pb-delay-2 { animation-delay: 0.2s; }
.pb-delay-3 { animation-delay: 0.3s; }
.pb-delay-4 { animation-delay: 0.4s; }
.pb-delay-5 { animation-delay: 0.5s; }


/* ========================================
   WORDPRESS SPECIFIC OVERRIDES
   ======================================== */
.wp-block-image { margin: 24px 0; }
.wp-block-image img { border-radius: var(--pb-radius); }

.alignwide {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.alignfull {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
}

/* Pagination */
.pb-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.pb-pagination a,
.pb-pagination span {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--pb-slate-400);
  background: var(--pb-surface);
  border: 1px solid var(--pb-border);
  transition: all 0.2s var(--pb-ease);
}

.pb-pagination a:hover {
  border-color: var(--pb-border-hover);
  color: var(--pb-blue-400);
}

.pb-pagination .current {
  background: rgba(37, 99, 235, 0.15);
  color: var(--pb-blue-400);
  border-color: rgba(59, 130, 246, 0.3);
}

/* Screen reader text */
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
}

/* WP Admin bar spacing */
body.admin-bar .pb-nav {
  top: 32px;
}
@media (max-width: 782px) {
  body.admin-bar .pb-nav { top: 46px; }
}

/* ========================================
   SINGLE PEPTIDE v3 — ADDITIONS
   Append this to the end of style.css
   ======================================== */

/* ── Breadcrumbs ── */
.pb-breadcrumbs {
  font-size: 13px;
  color: var(--pb-slate-500);
  margin-bottom: 20px;
  padding-top: 4px;
}
.pb-breadcrumbs a { color: var(--pb-blue-400); font-weight: 500; }
.pb-breadcrumbs a:hover { color: var(--pb-blue-300); }
.pb-bc-sep { margin: 0 8px; color: var(--pb-slate-600); }
.pb-bc-current { color: var(--pb-slate-300); }

/* ── Half-Life Badge ── */
.pb-halflife-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--pb-blue-300);
  background: rgba(37,99,235,0.1);
  border: 1px solid rgba(59,130,246,0.15);
  padding: 4px 12px;
  border-radius: var(--pb-radius-pill);
}

/* ── Full Name ── */
.pb-single-fullname {
  font-size: 16px;
  margin-top: 4px;
  color: var(--pb-slate-400);
}

/* ── Single Header Layout ── */
.pb-single-header-left { flex: 1; }

/* ── Quick Stats Row ── */
.pb-quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}
.pb-qstat {
  background: rgba(30,41,59,0.4);
  border: 1px solid rgba(59,130,246,0.06);
  border-radius: 12px;
  padding: 14px 16px;
  text-align: center;
}
.pb-qstat-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--pb-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 4px;
}
.pb-qstat-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--pb-slate-200);
  font-family: var(--pb-font-mono);
}

/* ── Two-Column Layout with TOC ── */
.pb-single-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  align-items: start;
}

/* ── Sticky Table of Contents ── */
.pb-toc-sidebar {
  position: sticky;
  top: 80px;
}
.pb-toc-inner {
  background: rgba(30,41,59,0.3);
  border: 1px solid rgba(59,130,246,0.06);
  border-radius: 12px;
  padding: 18px 16px;
}
.pb-toc-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--pb-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin: 0 0 12px;
}
.pb-toc-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.pb-toc-link {
  font-size: 13px;
  color: var(--pb-slate-400);
  padding: 6px 10px;
  border-radius: 6px;
  transition: all 0.15s;
  border-left: 2px solid transparent;
  text-decoration: none;
  line-height: 1.3;
}
.pb-toc-link:hover {
  color: var(--pb-blue-300);
  background: rgba(37,99,235,0.05);
  border-left-color: rgba(59,130,246,0.3);
}
.pb-toc-cta {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(59,130,246,0.06);
}
.pb-btn-sm {
  font-size: 12px;
  padding: 8px 14px;
  display: block;
  text-align: center;
}

/* ── Research Areas Grid ── */
.pb-research-areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}
.pb-research-area-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(15,23,42,0.3);
  border: 1px solid rgba(59,130,246,0.06);
  border-radius: 10px;
}
.pb-research-area-icon {
  font-size: 18px;
  flex-shrink: 0;
}
.pb-research-area-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--pb-slate-300);
  line-height: 1.3;
}

/* ── Mechanism & Findings Content ── */
.pb-mechanism-content,
.pb-findings-content {
  color: var(--pb-slate-300);
  line-height: 1.8;
  font-size: 15px;
}
.pb-mechanism-content h3,
.pb-findings-content h3 {
  color: var(--pb-blue-300);
  font-size: 16px;
  margin-top: 24px;
  margin-bottom: 8px;
}
.pb-mechanism-content p,
.pb-findings-content p {
  color: var(--pb-slate-400);
  margin-bottom: 16px;
}

/* ── Safety & Side Effects ── */
.pb-side-effects-card {
  border-color: rgba(245,158,11,0.12);
}
.pb-side-effects-content {
  color: var(--pb-slate-300);
  line-height: 1.7;
}
.pb-side-effects-content ul {
  padding-left: 20px;
}
.pb-side-effects-content li {
  margin-bottom: 8px;
  color: var(--pb-slate-400);
}
.pb-side-effects-disclaimer {
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(245,158,11,0.05);
  border: 1px solid rgba(245,158,11,0.1);
  border-radius: 8px;
  font-size: 12px;
  color: var(--pb-slate-400);
  line-height: 1.5;
}

/* ── Facts Table ── */
.pb-facts-table {
  width: 100%;
  border-collapse: collapse;
}
.pb-facts-table tr {
  border-bottom: 1px solid rgba(59,130,246,0.06);
}
.pb-facts-table tr:last-child { border-bottom: none; }
.pb-facts-label {
  padding: 12px 0;
  font-weight: 600;
  color: var(--pb-slate-300);
  width: 180px;
  font-size: 14px;
}
.pb-facts-value {
  padding: 12px 0;
  color: var(--pb-slate-400);
  font-size: 14px;
}
.pb-facts-mono {
  font-family: var(--pb-font-mono);
  font-size: 13px;
  word-break: break-all;
}

/* ── Category Counts (archive page) ── */
.pb-cat-count {
  font-size: 11px;
  color: var(--pb-slate-500);
  font-weight: 400;
  margin-left: 2px;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .pb-single-layout {
    grid-template-columns: 1fr;
  }
  .pb-toc-sidebar {
    position: relative;
    top: 0;
  }
  .pb-toc-inner {
    display: none; /* Hide on mobile — content is scrollable */
  }
  .pb-quick-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* ========================================
   NAVIGATION DROPDOWN
   ======================================== */
.pb-has-dropdown {
  position: relative;
}
.pb-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.98);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: var(--pb-radius);
  padding: 8px 0;
  min-width: 240px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  z-index: 1001;
  list-style: none;
}
.pb-has-dropdown:hover .pb-dropdown {
  display: block;
}
.pb-dropdown li {
  list-style: none;
}
.pb-dropdown li a {
  display: block;
  padding: 10px 20px;
  color: var(--pb-slate-300);
  font-size: 14px;
  font-weight: 400;
  transition: all var(--pb-duration) var(--pb-ease);
  white-space: nowrap;
}
.pb-dropdown li a:hover {
  color: white;
  background: rgba(59, 130, 246, 0.1);
}


/* ========================================
   HOMEPAGE GUIDES GRID
   ======================================== */
.pb-guides-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.pb-guide-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--pb-surface);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-lg);
  transition: all var(--pb-duration) var(--pb-ease);
  text-decoration: none;
  color: inherit;
}
.pb-guide-card:hover {
  background: var(--pb-surface-hover);
  border-color: var(--pb-border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.08);
  color: inherit;
}
.pb-guide-card-icon {
  font-size: 28px;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.08);
  border-radius: 12px;
}
.pb-guide-card-content {
  flex: 1;
  min-width: 0;
}
.pb-guide-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--pb-text-heading);
  margin-bottom: 6px;
}
.pb-guide-card-desc {
  font-size: 14px;
  color: var(--pb-slate-400);
  line-height: 1.5;
  margin-bottom: 8px;
}
.pb-guide-card-meta {
  font-size: 12px;
  color: var(--pb-blue-400);
  font-weight: 500;
}
.pb-guide-card-arrow {
  color: var(--pb-slate-500);
  font-size: 20px;
  flex-shrink: 0;
  align-self: center;
  transition: transform var(--pb-duration) var(--pb-ease);
}
.pb-guide-card:hover .pb-guide-card-arrow {
  color: var(--pb-blue-400);
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .pb-guides-grid {
    grid-template-columns: 1fr;
  }
}


/* ========================================
   GUIDE PAGE — PROGRESS BAR
   ======================================== */
.pb-guide-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--pb-gradient);
  z-index: 1002;
  width: 0%;
  transition: width 0.1s linear;
}


/* ========================================
   GUIDE PAGE — LAYOUT
   ======================================== */
.pb-guide {
  padding-top: 100px;
  padding-bottom: 80px;
}

.pb-guide-hero {
  text-align: center;
  margin-bottom: 60px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.pb-guide-icon {
  font-size: 48px;
  margin-bottom: 16px;
}
.pb-guide-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--pb-text-heading);
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}
.pb-guide-subtitle {
  font-size: 18px;
  color: var(--pb-slate-400);
  line-height: 1.6;
  margin-bottom: 20px;
}
.pb-guide-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.pb-guide-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--pb-slate-500);
}
.pb-guide-meta-item svg {
  opacity: 0.6;
}

.pb-guide-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
}


/* ========================================
   GUIDE PAGE — SIDEBAR TOC
   ======================================== */
.pb-guide-sidebar {
  position: relative;
}
.pb-guide-toc {
  position: sticky;
  top: 80px;
}
.pb-guide-toc-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--pb-slate-500);
  font-weight: 600;
  margin-bottom: 12px;
  padding-left: 12px;
}
.pb-guide-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc-counter;
}
.pb-guide-toc-list li {
  counter-increment: toc-counter;
}
.pb-guide-toc-link {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--pb-slate-500);
  border-left: 2px solid transparent;
  transition: all var(--pb-duration) var(--pb-ease);
  line-height: 1.4;
}
.pb-guide-toc-link:hover {
  color: var(--pb-slate-300);
  border-left-color: rgba(59, 130, 246, 0.3);
}
.pb-guide-toc-link.active {
  color: var(--pb-blue-400);
  border-left-color: var(--pb-blue-500);
  font-weight: 500;
}


/* ========================================
   GUIDE PAGE — CONTENT SECTIONS
   ======================================== */
.pb-guide-content {
  min-width: 0;
}
.pb-guide-section {
  margin-bottom: 48px;
  scroll-margin-top: 80px;
}
.pb-guide-section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--pb-text-heading);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pb-border);
}
.pb-guide-section-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--pb-blue-400);
  font-size: 15px;
  font-weight: 700;
  flex-shrink: 0;
  font-family: var(--pb-font-mono);
}
.pb-guide-section-body {
  font-size: 16px;
  line-height: 1.75;
  color: var(--pb-slate-300);
}
.pb-guide-section-body p {
  color: var(--pb-slate-300);
  margin-bottom: 16px;
}
.pb-guide-section-body h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--pb-text-heading);
  margin: 24px 0 12px;
}
.pb-guide-section-body ul,
.pb-guide-section-body ol {
  padding-left: 20px;
  margin-bottom: 16px;
  color: var(--pb-slate-300);
}
.pb-guide-section-body li {
  margin-bottom: 8px;
  line-height: 1.6;
}
.pb-guide-section-body code {
  background: rgba(59, 130, 246, 0.1);
  color: var(--pb-blue-300);
  padding: 2px 8px;
  border-radius: 6px;
  font-family: var(--pb-font-mono);
  font-size: 14px;
}
.pb-guide-section-body a {
  color: var(--pb-blue-400);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.pb-guide-section-body a:hover {
  color: var(--pb-blue-300);
}


/* ========================================
   GUIDE PAGE — CALLOUTS
   ======================================== */
.pb-guide-callout {
  background: rgba(59, 130, 246, 0.06);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-left: 3px solid var(--pb-blue-500);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--pb-slate-300);
}
.pb-guide-callout strong {
  color: var(--pb-text-heading);
}
.pb-guide-callout-warn {
  background: rgba(245, 158, 11, 0.06);
  border-color: rgba(245, 158, 11, 0.15);
  border-left-color: #f59e0b;
}


/* ========================================
   GUIDE PAGE — INFO GRID
   ======================================== */
.pb-guide-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.pb-guide-info-card {
  background: var(--pb-surface);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  padding: 20px;
}
.pb-guide-info-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--pb-blue-400);
  margin-bottom: 8px;
}
.pb-guide-info-text {
  font-size: 14px;
  color: var(--pb-slate-400);
  line-height: 1.6;
}


/* ========================================
   GUIDE PAGE — TABLES
   ======================================== */
.pb-guide-table-wrap {
  overflow-x: auto;
  margin: 20px 0;
  border-radius: var(--pb-radius);
  border: 1px solid var(--pb-border);
}
.pb-guide-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.pb-guide-table thead {
  background: rgba(59, 130, 246, 0.06);
}
.pb-guide-table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--pb-text-heading);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--pb-border);
}
.pb-guide-table td {
  padding: 12px 16px;
  color: var(--pb-slate-300);
  border-bottom: 1px solid rgba(59, 130, 246, 0.05);
}
.pb-guide-table tbody tr:last-child td {
  border-bottom: none;
}
.pb-guide-table tbody tr:hover {
  background: rgba(59, 130, 246, 0.03);
}


/* ========================================
   GUIDE PAGE — CATEGORY LIST
   ======================================== */
.pb-guide-category-list {
  display: grid;
  gap: 16px;
  margin: 20px 0;
}
.pb-guide-cat-item {
  background: var(--pb-surface);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  padding: 20px;
}
.pb-guide-cat-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--pb-text-heading);
  margin-bottom: 6px !important;
  margin-top: 0 !important;
}
.pb-guide-cat-item p {
  font-size: 14px;
  margin-bottom: 0 !important;
}


/* ========================================
   GUIDE PAGE — STEPS
   ======================================== */
.pb-guide-steps {
  display: grid;
  gap: 20px;
  margin: 20px 0;
}
.pb-guide-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.pb-guide-step-num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--pb-gradient);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  flex-shrink: 0;
  font-family: var(--pb-font-mono);
}
.pb-guide-step-content {
  flex: 1;
  min-width: 0;
}
.pb-guide-step-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--pb-text-heading);
  margin: 0 0 6px !important;
}
.pb-guide-step-content p {
  font-size: 15px;
  margin-bottom: 0 !important;
}


/* ========================================
   GUIDE PAGE — CHECKLIST
   ======================================== */
.pb-guide-checklist {
  display: grid;
  gap: 8px;
  margin: 20px 0;
}
.pb-guide-check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--pb-surface);
  border: 1px solid var(--pb-border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--pb-slate-300);
  line-height: 1.5;
}
.pb-guide-check {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}


/* ========================================
   GUIDE PAGE — RELATED GUIDES
   ======================================== */
.pb-guide-related {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--pb-border);
}
.pb-guide-related h3 {
  font-size: 1.25rem;
  color: var(--pb-text-heading);
  margin-bottom: 20px;
}
.pb-guide-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.pb-guide-related-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 16px;
  background: var(--pb-surface);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  transition: all var(--pb-duration) var(--pb-ease);
  text-decoration: none;
  color: inherit;
}
.pb-guide-related-card:hover {
  background: var(--pb-surface-hover);
  border-color: var(--pb-border-hover);
  transform: translateY(-2px);
  color: inherit;
}
.pb-guide-related-icon {
  font-size: 28px;
  margin-bottom: 10px;
}
.pb-guide-related-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--pb-text-heading);
  margin-bottom: 4px;
}
.pb-guide-related-desc {
  font-size: 13px;
  color: var(--pb-slate-500);
}


/* ========================================
   GUIDE PAGE — DISCLAIMER
   ======================================== */
.pb-guide-disclaimer {
  margin-top: 48px;
  padding: 20px 24px;
  background: rgba(239, 68, 68, 0.04);
  border: 1px solid rgba(239, 68, 68, 0.1);
  border-radius: var(--pb-radius);
  font-size: 13px;
  color: var(--pb-slate-500);
  line-height: 1.6;
}
.pb-guide-disclaimer strong {
  color: var(--pb-slate-400);
}


/* ========================================
   GUIDE PAGE — RESPONSIVE
   ======================================== */
@media (max-width: 900px) {
  .pb-guide-layout {
    grid-template-columns: 1fr;
  }
  .pb-guide-sidebar {
    display: none;
  }
  .pb-guide-related-grid {
    grid-template-columns: 1fr;
  }
  .pb-guide-info-grid {
    grid-template-columns: 1fr;
  }
}


/* ========================================
   SHOW ALL BUTTON (archive)
   ======================================== */
.pb-show-all-btn {
  display: inline-block;
  padding: 10px 24px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--pb-radius-pill);
  color: var(--pb-blue-400);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--pb-duration) var(--pb-ease);
}
.pb-show-all-btn:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.4);
  color: var(--pb-blue-300);
  transform: translateY(-1px);
}

/* ========================================
   A-Z LETTER FILTER (archive) — slim
   ======================================== */
.pb-alpha-wrap {
  margin-top: 32px;
  padding: 16px 18px;
  background: rgba(30, 41, 59, 0.3);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
}
.pb-alpha-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.pb-alpha-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--pb-slate-500);
  flex-shrink: 0;
}
.pb-alpha-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.pb-alpha-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 30px;
  padding: 0 8px;
  border-radius: 6px;
  color: var(--pb-slate-400);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--pb-font-mono);
  text-decoration: none;
  transition: all 0.15s var(--pb-ease);
  background: transparent;
  border: 1px solid transparent;
  gap: 4px;
}
.pb-alpha-btn:hover {
  background: rgba(59, 130, 246, 0.12);
  color: var(--pb-blue-300);
}
.pb-alpha-btn.active {
  background: var(--pb-gradient);
  color: white;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}
.pb-alpha-count {
  font-size: 10px;
  font-weight: 500;
  opacity: 0.6;
  font-family: var(--pb-font-body);
}
.pb-alpha-btn.active .pb-alpha-count {
  opacity: 0.85;
}
.pb-alpha-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.pb-alpha-action {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.18);
  border-radius: 100px;
  color: var(--pb-blue-400);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s var(--pb-ease);
  white-space: nowrap;
}
.pb-alpha-action:hover {
  background: rgba(59, 130, 246, 0.15);
  color: var(--pb-blue-300);
}
.pb-alpha-action.active {
  background: var(--pb-gradient);
  color: white;
  border-color: transparent;
}

@media (max-width: 640px) {
  .pb-alpha-wrap { padding: 12px; }
  .pb-alpha-top { flex-direction: column; align-items: stretch; gap: 10px; }
  .pb-alpha-btn { min-width: 26px; height: 26px; font-size: 12px; padding: 0 6px; }
  .pb-alpha-count { display: none; }
}


/* ========================================
   A-Z TOOLTIP
   ======================================== */
.pb-alpha-btn {
  position: relative;
  overflow: visible;
}
.pb-alpha-tip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--pb-slate-900);
  color: var(--pb-slate-100);
  font-family: var(--pb-font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2px;
  padding: 5px 9px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease, transform 0.12s ease;
  border: 1px solid rgba(59, 130, 246, 0.15);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  z-index: 10;
}
.pb-alpha-tip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--pb-slate-900);
}
.pb-alpha-btn:hover .pb-alpha-tip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}


/* ========================================
   FIX: Autocomplete dropdown above category pills
   ======================================== */
.pb-search-wrap {
  z-index: 100;
}
.pb-autocomplete {
  z-index: 110 !important;
}
.pb-categories {
  position: relative;
  z-index: 1;
}


/* ========================================
   BREADCRUMBS (archive)
   ======================================== */
.pb-breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0 8px;
  font-size: 13px;
  color: var(--pb-slate-500);
}
.pb-breadcrumbs a {
  color: var(--pb-slate-400);
  text-decoration: none;
  transition: color 0.15s var(--pb-ease);
}
.pb-breadcrumbs a:hover {
  color: var(--pb-blue-400);
}
.pb-crumb-sep {
  color: var(--pb-slate-700);
  font-size: 12px;
}
.pb-crumb-current {
  color: var(--pb-slate-200);
  font-weight: 500;
}


/* ========================================
   BLOG POST CONTENT (generated by content engine)
   ======================================== */
.pb-single-post {
  padding-top: 100px;
  padding-bottom: 80px;
}
.pb-post-content {
  max-width: 780px;
  margin: 0 auto;
}
.pb-post-content h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: var(--pb-text-heading);
}
.pb-post-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--pb-text-heading);
  margin: 48px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pb-border);
  scroll-margin-top: 80px;
}
.pb-post-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--pb-text-heading);
  margin: 28px 0 12px;
}
.pb-post-content p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--pb-slate-300);
  margin-bottom: 18px;
}
.pb-post-content a {
  color: var(--pb-blue-400);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.pb-post-content a:hover { color: var(--pb-blue-300); }
.pb-post-content ul,
.pb-post-content ol {
  padding-left: 22px;
  margin-bottom: 18px;
  color: var(--pb-slate-300);
}
.pb-post-content li { margin-bottom: 8px; line-height: 1.7; }
.pb-post-content strong { color: var(--pb-text-heading); font-weight: 600; }
.pb-post-content em { color: var(--pb-slate-200); font-style: italic; }

.pb-post-content blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  background: rgba(59, 130, 246, 0.06);
  border-left: 3px solid var(--pb-blue-500);
  border-radius: 8px;
  color: var(--pb-slate-300);
  font-style: normal;
}
.pb-post-content blockquote p { margin-bottom: 0; color: var(--pb-slate-300); }

/* Table of Contents nav */
.pb-post-toc {
  margin: 28px 0;
  padding: 20px 24px;
  background: rgba(30, 41, 59, 0.35);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
}
.pb-post-toc h3 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--pb-slate-500);
  margin: 0 0 10px;
  font-weight: 600;
}
.pb-post-toc ul { list-style: none; padding: 0; margin: 0; }
.pb-post-toc li { margin: 0; padding: 4px 0; }
.pb-post-toc a {
  color: var(--pb-slate-400);
  text-decoration: none;
  font-size: 14px;
}
.pb-post-toc a:hover { color: var(--pb-blue-400); }

/* Callouts */
.pb-callout {
  margin: 20px 0;
  padding: 14px 18px;
  background: rgba(59, 130, 246, 0.06);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-left: 3px solid var(--pb-blue-500);
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--pb-slate-300);
}
.pb-callout strong { color: var(--pb-text-heading); }
.pb-callout.pb-callout-warn {
  background: rgba(245, 158, 11, 0.06);
  border-color: rgba(245, 158, 11, 0.15);
  border-left-color: #f59e0b;
}

/* Comparison table */
.pb-compare-table {
  width: 100%;
  margin: 24px 0;
  border-collapse: collapse;
  font-size: 14px;
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  overflow: hidden;
}
.pb-compare-table thead { background: rgba(59, 130, 246, 0.08); }
.pb-compare-table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--pb-text-heading);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.pb-compare-table td {
  padding: 12px 16px;
  color: var(--pb-slate-300);
  border-top: 1px solid var(--pb-border);
}

/* FAQ section */
.pb-faq {
  margin: 36px 0;
  padding: 24px;
  background: rgba(30, 41, 59, 0.3);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-lg);
}
.pb-faq h2 {
  margin: 0 0 16px !important;
  padding: 0 !important;
  border: none !important;
  font-size: 1.25rem;
}
.pb-faq details {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--pb-border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 10px;
  transition: all 0.15s var(--pb-ease);
}
.pb-faq details[open] {
  background: rgba(59, 130, 246, 0.06);
  border-color: rgba(59, 130, 246, 0.2);
}
.pb-faq summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--pb-text-heading);
  padding: 4px 0;
  list-style: none;
  position: relative;
  padding-right: 24px;
  font-size: 15px;
}
.pb-faq summary::-webkit-details-marker { display: none; }
.pb-faq summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 20px;
  color: var(--pb-slate-500);
  transition: transform 0.15s;
}
.pb-faq details[open] summary::after { content: '−'; color: var(--pb-blue-400); }
.pb-faq details p {
  margin: 12px 0 4px;
  font-size: 14px;
  color: var(--pb-slate-400);
}

.pb-vendor-mention {
  margin-top: 32px;
  padding: 14px 18px;
  background: rgba(34, 197, 94, 0.06);
  border: 1px solid rgba(34, 197, 94, 0.15);
  border-radius: 8px;
  font-size: 14px;
  color: var(--pb-slate-300);
}
.pb-vendor-mention a {
  color: #34d399 !important;
  font-weight: 600;
}