/*
Theme Name: Joe Dev – AI & Automation
Theme URI: https://joe.dev
Author: Joe
Author URI: https://joe.dev
Description: Custom WordPress theme for AI & Automation Solutions – a modern, responsive theme with gradient design matching the Joe.dev brand identity.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: joe-dev
Tags: custom, responsive, blog, portfolio, automation, ai
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --bg-primary:        #f8fafc;
  --bg-secondary:      #f1f5f9;
  --bg-card:           rgba(241,245,249,0.15);
  --accent-blue:       #3b82f6;
  --accent-purple:     #8b5cf6;
  --accent-pink:       #ec4899;
  --text-dark:         #1e293b;
  --text-body:         #475569;
  --text-muted:        #94a3b8;
  --border-subtle:     rgba(59,130,246,0.2);
  --border-hover:      rgba(139,92,246,0.4);
  --radius-card:       1rem;
  --radius-pill:       9999px;
  --shadow-card:       0 4px 20px rgba(0,0,0,0.06);
  --shadow-hover:      0 20px 40px rgba(0,0,0,0.10);
  --transition:        all 0.3s ease;
  --font-sans:         'Inter', 'Segoe UI', system-ui, sans-serif;
  --max-width:         1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 1rem;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: var(--accent-blue); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-purple); }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
}
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
p  { margin-bottom: 1rem; }

.gradient-text {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-full {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple), var(--accent-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.text-center { text-align: center; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem; }
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ============================================================
   CARD COMPONENT
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  backdrop-filter: blur(8px);
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}
.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 2rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  box-shadow: 0 4px 15px rgba(59,130,246,0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59,130,246,0.4);
}
.btn-outline {
  border: 2px solid var(--accent-blue);
  color: var(--accent-blue);
  background: transparent;
}
.btn-outline:hover {
  background: rgba(59,130,246,0.1);
  color: var(--accent-blue);
}
.btn-sm { padding: .5rem 1.25rem; font-size: .85rem; }

/* ============================================================
   BADGE / TAG
   ============================================================ */
.badge {
  display: inline-block;
  padding: .25rem .75rem;
  border-radius: var(--radius-pill);
  font-size: .75rem;
  font-weight: 600;
  background: rgba(59,130,246,0.1);
  color: var(--accent-blue);
  border: 1px solid rgba(59,130,246,0.2);
  letter-spacing: .02em;
}
.badge-purple {
  background: rgba(139,92,246,0.1);
  color: var(--accent-purple);
  border-color: rgba(139,92,246,0.2);
}
.badge-pink {
  background: rgba(236,72,153,0.1);
  color: var(--accent-pink);
  border-color: rgba(236,72,153,0.2);
}

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  margin-bottom: 3.5rem;
  text-align: center;
}
.section-header h2 { margin-bottom: .75rem; }
.section-header p  { font-size: 1.15rem; color: var(--text-body); max-width: 640px; margin: 0 auto; }

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 1.25rem 0;
}
#site-header.scrolled {
  background: rgba(248,250,252,0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  padding: .85rem 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.site-branding {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
}
.site-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: .5rem;
  flex-shrink: 0;
}
.site-logo-fallback {
  width: 56px;
  height: 56px;
  border-radius: .75rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.site-name-wrap .site-title {
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}
.site-name-wrap .site-tagline {
  font-size: .8rem;
  color: var(--text-muted);
}

/* Primary nav – works with WordPress-generated .menu-item classes */
.primary-nav ul,
.primary-nav-list {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Each menu item */
.primary-nav-list .menu-item,
.primary-nav-list li {
  position: relative;
}

/* Nav links */
.primary-nav-list .menu-item a,
.primary-nav-list li a {
  display: flex;
  align-items: center;
  gap: .25rem;
  padding: .45rem .85rem;
  border-radius: .5rem;
  color: var(--text-body);
  font-weight: 500;
  font-size: .92rem;
  letter-spacing: .01em;
  position: relative;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

/* Underline bar */
.primary-nav-list .menu-item a span,
.primary-nav-list li a span {
  position: relative;
}
.primary-nav-list .menu-item a span::after,
.primary-nav-list li a span::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  border-radius: 2px;
  transition: width .3s ease;
}

/* Hover state */
.primary-nav-list .menu-item a:hover,
.primary-nav-list li a:hover {
  color: var(--text-dark);
  background: rgba(59,130,246,.06);
}
.primary-nav-list .menu-item a:hover span::after,
.primary-nav-list li a:hover span::after {
  width: 100%;
}

/* Active / current page */
.primary-nav-list .current-menu-item > a,
.primary-nav-list .current_page_item > a,
.primary-nav-list .current-menu-ancestor > a {
  color: var(--accent-blue);
  background: rgba(59,130,246,.07);
  font-weight: 600;
}
.primary-nav-list .current-menu-item > a span::after,
.primary-nav-list .current_page_item > a span::after {
  width: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
}

/* ── Dropdown sub-menu ── */
.primary-nav-list .menu-item-has-children > a::before {
  content: '▾';
  font-size: .7rem;
  margin-left: .3rem;
  opacity: .6;
  transition: transform .3s ease;
  display: inline-block;
}
.primary-nav-list .menu-item-has-children:hover > a::before {
  transform: rotate(180deg);
}
.primary-nav-list .sub-menu {
  position: absolute;
  top: calc(100% + .5rem);
  left: 50%;
  transform: translateX(-50%);
  min-width: 200px;
  background: rgba(255,255,255,.97);
  border: 1px solid var(--border-subtle);
  border-radius: .875rem;
  box-shadow: 0 12px 32px rgba(0,0,0,.1);
  padding: .5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  flex-direction: column;
  gap: 0;
  z-index: 200;
  display: flex;
}
.primary-nav-list .menu-item-has-children:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.primary-nav-list .sub-menu .menu-item a {
  border-radius: .55rem;
  padding: .55rem .9rem;
  font-size: .875rem;
  color: var(--text-body);
  background: transparent;
}
.primary-nav-list .sub-menu .menu-item a:hover {
  color: var(--accent-blue);
  background: rgba(59,130,246,.07);
}

/* Hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}
.contact-btn-wrap { flex-shrink: 0; }

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .primary-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(248,250,252,0.97);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-subtle);
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  }
  .primary-nav.open { max-height: 600px; }
  /* Stack menu items vertically on mobile */
  .primary-nav-list {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0 !important;
    padding: .75rem;
  }
  .primary-nav-list .menu-item a,
  .primary-nav-list li a {
    border-radius: .65rem;
    padding: .8rem 1rem;
  }
  /* Hide dropdown arrow on mobile */
  .primary-nav-list .menu-item-has-children > a::before { display: none; }
  /* Sub-menus static on mobile */
  .primary-nav-list .sub-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    box-shadow: none;
    border: none;
    background: rgba(59,130,246,.04);
    border-radius: .65rem;
    padding: 0 0 .25rem .75rem;
    margin-top: .25rem;
  }
  .contact-btn-wrap { display: none; }
  .site-logo { width: 56px; height: 56px; }
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .4rem 1rem;
  border-radius: var(--radius-pill);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.25);
  font-size: .8rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 1.5rem;
}
.hero-title { font-size: clamp(2.5rem, 5.5vw, 4.5rem); font-weight: 800; margin-bottom: 1.25rem; line-height: 1.1; }
.hero-desc { font-size: 1.15rem; color: var(--text-body); margin-bottom: 2rem; max-width: 520px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 2rem; }
.hero-stat { display: flex; align-items: center; gap: .75rem; }
.hero-stat-icon {
  width: 44px; height: 44px;
  border-radius: .6rem;
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.15));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.hero-stat-title { font-weight: 700; font-size: .9rem; color: var(--text-dark); }
.hero-stat-desc  { font-size: .8rem; color: var(--text-muted); }
.hero-visual {
  border-radius: 1.5rem;
  background: linear-gradient(135deg, rgba(248,250,252,0.5), rgba(241,245,249,0.8));
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-hover);
  min-height: 420px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero-visual-inner { text-align: center; padding: 2.5rem; position: relative; z-index: 1; }
.hero-visual-icon {
  width: 100px; height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.15));
  border: 2px solid rgba(59,130,246,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  margin: 0 auto 1.5rem;
}
.float-orb {
  position: absolute;
  border-radius: 50%;
  animation: float 4s ease-in-out infinite;
}
.float-orb-1 { top: -20px; left: -20px; width: 48px; height: 48px; background: rgba(139,92,246,0.2); border: 1px solid rgba(139,92,246,0.3); animation-delay: 0s; }
.float-orb-2 { bottom: -20px; right: -20px; width: 64px; height: 64px; background: rgba(59,130,246,0.2); border: 1px solid rgba(59,130,246,0.3); animation-delay: 1.5s; border-radius: .75rem; transform: rotate(45deg); }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-section { background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%); }
.service-icon {
  width: 56px; height: 56px;
  border-radius: .875rem;
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.15));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  transition: var(--transition);
}
.card:hover .service-icon {
  background: linear-gradient(135deg, rgba(139,92,246,0.2), rgba(59,130,246,0.2));
}
.service-title { font-size: 1.2rem; margin-bottom: .75rem; transition: var(--transition); }
.card:hover .service-title { color: var(--accent-blue); }
.service-desc { font-size: .9rem; color: var(--text-body); margin-bottom: 1rem; }
.tags-wrap { display: flex; flex-wrap: wrap; gap: .5rem; }

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  padding: 2rem;
  transition: var(--transition);
}
.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.project-card-overlay {
  position: absolute; inset: 0;
  opacity: .15;
  transition: var(--transition);
}
.project-card:hover .project-card-overlay { opacity: .25; }
.project-inner { position: relative; z-index: 1; display: flex; gap: 1.5rem; align-items: flex-start; }
.project-icon-wrap {
  flex-shrink: 0;
  width: 64px; height: 64px;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.15));
  border: 1px solid rgba(59,130,246,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem;
}
.project-title { font-size: 1.4rem; margin-bottom: .6rem; transition: var(--transition); }
.project-card:hover .project-title { color: var(--accent-blue); }

/* ============================================================
   TECH STACK SECTION
   ============================================================ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1.5rem;
}
.tech-card {
  display: flex; flex-direction: column; align-items: center;
  padding: 1.5rem 1rem;
  text-align: center;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.tech-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px) scale(1.04);
  box-shadow: var(--shadow-hover);
}
.tech-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.tech-name { font-weight: 700; font-size: .95rem; color: var(--text-dark); }
.tech-cat  { font-size: .75rem; color: var(--text-muted); }

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: .85rem 1.1rem;
  border: 1px solid var(--border-subtle);
  border-radius: .65rem;
  background: rgba(248,250,252,0.6);
  color: var(--text-dark);
  font-family: var(--font-sans);
  font-size: .95rem;
  transition: var(--transition);
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
  background: #fff;
}
.contact-form label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: .45rem;
}
.form-group { margin-bottom: 1.25rem; }
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: .75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  margin-bottom: 1rem;
}
.contact-info-icon {
  width: 44px; height: 44px;
  border-radius: .6rem;
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.15));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.social-links { display: flex; gap: .75rem; flex-wrap: wrap; }
.social-link {
  width: 44px; height: 44px;
  border-radius: .6rem;
  background: linear-gradient(135deg, rgba(59,130,246,0.12), rgba(139,92,246,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
  border: 1px solid var(--border-subtle);
  color: var(--accent-blue);
}
.social-link:hover {
  background: linear-gradient(135deg, rgba(139,92,246,0.2), rgba(59,130,246,0.2));
  transform: translateY(-4px);
  color: var(--accent-purple);
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq-item {
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: blur(6px);
  overflow: hidden;
  margin-bottom: 1rem;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--border-hover); }
.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  text-align: left;
  font-family: var(--font-sans);
  gap: 1rem;
}
.faq-question:hover { color: var(--accent-blue); }
.faq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(59,130,246,0.12), rgba(139,92,246,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  color: var(--accent-blue);
  transition: var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple)); color: #fff; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
  padding: 0 1.5rem;
  color: var(--text-body);
  font-size: .95rem;
}
.faq-item.open .faq-answer { max-height: 400px; padding: 0 1.5rem 1.25rem; }

/* ============================================================
   LATEST POSTS / BLOG GRID
   ============================================================ */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
}
.post-card {
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  background: #fff;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}
.post-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.post-card-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform .5s ease;
}
.post-card:hover .post-card-thumb { transform: scale(1.04); }
.post-card-thumb-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
}
.post-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.post-card-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .8rem;
  color: var(--text-muted);
  margin-bottom: .75rem;
}
.post-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: .6rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}
.post-card:hover .post-card-title { color: var(--accent-blue); }
.post-card-excerpt {
  font-size: .875rem;
  color: var(--text-body);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1rem;
}
.post-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}
.read-more-link {
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent-blue);
  display: flex; align-items: center; gap: .3rem;
}
.read-more-link:hover { color: var(--accent-purple); gap: .6rem; }

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, #e2e8f0 100%);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand { display: flex; flex-direction: column; gap: 1rem; }
.footer-logo-wrap { display: flex; align-items: center; gap: .85rem; }
.footer-logo { width: 120px; height: 120px; object-fit: contain; border-radius: .5rem; }
.footer-logo-fallback {
  width: 56px; height: 56px;
  border-radius: .75rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 800; color: #fff;
}
.footer-site-title {
  font-size: 1.3rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-tagline { font-size: .9rem; color: var(--text-muted); }
.footer-desc { font-size: .9rem; color: var(--text-body); line-height: 1.7; }
.footer-col h4 {
  font-size: 1rem; font-weight: 700;
  color: var(--text-dark); margin-bottom: 1.25rem;
  position: relative; padding-bottom: .6rem;
}
.footer-col h4::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 30px; height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  border-radius: 2px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: .6rem; }
.footer-col ul li a { color: var(--text-body); font-size: .9rem; }
.footer-col ul li a:hover { color: var(--accent-blue); padding-left: 4px; }
.footer-social { display: flex; gap: .65rem; margin-top: .75rem; }
.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .85rem;
  color: var(--text-muted);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { justify-content: center; text-align: center; }
}

/* ============================================================
   PAGE HERO (page.php)
   ============================================================ */
.page-hero {
  padding-top: 140px;
  padding-bottom: 3.5rem;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 100%;
  background: linear-gradient(180deg, rgba(59,130,246,0.04) 0%, transparent 100%);
  pointer-events: none;
}
.page-hero-image-wrap {
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-hover);
  max-height: 400px;
}
.page-hero-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: .5rem;
}
.page-breadcrumb { font-size: .85rem; color: var(--text-muted); margin-bottom: 1rem; }
.page-breadcrumb a { color: var(--accent-blue); }
.page-content-wrap { max-width: 860px; margin: 0 auto; }
.page-content-wrap .entry-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-body);
}
.entry-content h2,
.entry-content h3 { margin: 2rem 0 1rem; color: var(--text-dark); }
.entry-content p { margin-bottom: 1.2rem; }
.entry-content ul,
.entry-content ol { margin: 1rem 0 1.2rem 1.5rem; }
.entry-content li { margin-bottom: .4rem; }
.entry-content blockquote {
  border-left: 3px solid var(--accent-blue);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: rgba(59,130,246,0.05);
  border-radius: 0 .5rem .5rem 0;
  font-style: italic;
  color: var(--text-body);
}
.entry-content img {
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin: 1.5rem 0;
}
.entry-content a { color: var(--accent-blue); border-bottom: 1px solid rgba(59,130,246,0.25); }
.entry-content a:hover { color: var(--accent-purple); border-color: var(--accent-purple); }
.entry-content code {
  background: rgba(59,130,246,0.08);
  padding: .15em .45em;
  border-radius: .3em;
  font-size: .9em;
  color: var(--accent-purple);
}
.entry-content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 1.5rem;
  border-radius: var(--radius-card);
  overflow-x: auto;
  margin: 1.5rem 0;
}
.entry-content pre code { background: none; color: inherit; padding: 0; }

/* ============================================================
   SINGLE POST (single.php)
   ============================================================ */
.single-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 3rem;
  padding-top: 140px;
  padding-bottom: 5rem;
  align-items: start;
}
/* Sidebar */
.single-sidebar {
  position: sticky;
  top: 120px;
}
.sidebar-title {
  font-size: .9rem; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  padding-bottom: .6rem;
  border-bottom: 2px solid var(--border-subtle);
}
.sidebar-post-item {
  display: flex;
  gap: .85rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}
.sidebar-post-item:last-child { border-bottom: none; }
.sidebar-post-thumb {
  width: 68px; height: 54px;
  border-radius: .5rem;
  object-fit: cover;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.12));
}
.sidebar-post-info a {
  font-size: .875rem; font-weight: 600;
  color: var(--text-dark);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sidebar-post-info a:hover { color: var(--accent-blue); }
.sidebar-post-date { font-size: .75rem; color: var(--text-muted); margin-top: .25rem; }

/* Single main */
.single-main {}
.single-hero-image {
  border-radius: 1.25rem;
  overflow: hidden;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-hover);
  aspect-ratio: 16/8;
}
.single-hero-image img { width: 100%; height: 100%; object-fit: cover; }
.single-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.25rem;
  font-size: .85rem;
  color: var(--text-muted);
}
.single-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 2rem;
  color: var(--text-dark);
}
.single-content {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-body);
  margin-bottom: 3rem;
}

/* Post nav */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-subtle);
}
.post-nav-card {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: .4rem;
  text-decoration: none;
}
.post-nav-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.post-nav-label { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--accent-blue); }
.post-nav-title { font-size: .95rem; font-weight: 700; color: var(--text-dark); line-height: 1.35; }
.post-nav-card.prev { align-items: flex-start; }
.post-nav-card.next { align-items: flex-end; text-align: right; }

/* Related posts */
.related-posts { margin-top: 4rem; padding-top: 3rem; border-top: 1px solid var(--border-subtle); }
.related-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 2rem; }
.related-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
@media (max-width: 900px) { .related-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .related-grid { grid-template-columns: 1fr; } }

@media (max-width: 900px) {
  .single-layout { grid-template-columns: 1fr; }
  .single-sidebar { position: static; display: none; }
}

/* ============================================================
   BLOG INDEX (archive / index)
   ============================================================ */
.blog-hero { padding: 140px 0 4rem; text-align: center; }
.blog-posts-grid { padding-bottom: 5rem; }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination { display: flex; justify-content: center; gap: .5rem; margin-top: 3rem; flex-wrap: wrap; }
.pagination .page-numbers {
  width: 40px; height: 40px;
  border-radius: .5rem;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  font-size: .9rem; font-weight: 600;
  color: var(--text-body);
  transition: var(--transition);
}
.pagination .page-numbers.current,
.pagination .page-numbers:hover {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  border-color: transparent;
}
.pagination .page-numbers.prev,
.pagination .page-numbers.next { width: auto; padding: 0 .85rem; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--accent-blue), var(--accent-purple)); border-radius: 4px; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-fade-up { animation: fadeInUp .6s ease both; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }
.delay-4 { animation-delay: .4s; }

/* ============================================================
   UTILITY
   ============================================================ */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.flex-wrap { display: flex; flex-wrap: wrap; }
.gap-2 { gap: .5rem; }