/*
Theme Name: PublicHealthIndia
Theme URI: https://publichealthindia.in
Author: Dr. Vikar Saiyad
Author URI: https://publichealthindia.in
Description: A clean, light, and professional public health blog theme for publichealthindia.in. Features a teal-green and sky-blue palette, evidence-based content layout, category filtering, featured research cards, and a responsive sidebar. Designed for translating public health research into action for India.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: phi
Tags: blog, light, modern, health, two-columns, custom-menu, featured-images, post-formats, sticky-post, translation-ready
*/

/* ============================================================
   PUBLICHEALTHINDIA — LIGHT MODERN PUBLIC HEALTH THEME
   publichealthindia.in | Dr. Vikar Saiyad
   ============================================================ */

/* ─── GOOGLE FONTS ─── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Source+Serif+4:ital,wght@0,400;0,600;0,700;1,400&display=swap');

/* ─── CSS VARIABLES ─── */
:root {
  /* Backgrounds */
  --bg-base:        #F0FDFA;
  --bg-surface:     #FFFFFF;
  --bg-card:        #FFFFFF;
  --bg-card-hover:  #F0FDFA;
  --bg-muted:       #F8FAFC;

  /* Primary: Teal Green */
  --primary:        #0D9488;
  --primary-dark:   #0F766E;
  --primary-light:  #CCFBF1;
  --primary-glow:   rgba(13,148,136,0.12);
  --primary-glow-sm:rgba(13,148,136,0.07);

  /* Accent: Sky Blue */
  --accent:         #0284C7;
  --accent-dark:    #0369A1;
  --accent-light:   #E0F2FE;
  --accent-glow:    rgba(2,132,199,0.12);

  /* Highlight & Semantic */
  --highlight:      #D97706;
  --success:        #16A34A;
  --warning:        #CA8A04;
  --danger:         #DC2626;

  /* Text */
  --text-primary:   #0F172A;
  --text-secondary: #334155;
  --text-muted:     #64748B;
  --text-light:     #94A3B8;

  /* Borders */
  --border:         rgba(15,23,42,0.08);
  --border-md:      rgba(15,23,42,0.14);
  --border-active:  rgba(13,148,136,0.45);

  /* Gradients */
  --gradient-hero:  linear-gradient(135deg,#ECFDF5 0%,#F0FDFA 50%,#E0F2FE 100%);
  --gradient-card:  linear-gradient(135deg,#F0FDFA,#FFFFFF);

  /* Radius */
  --radius-sm:      8px;
  --radius-md:      14px;
  --radius-lg:      20px;
  --radius-xl:      28px;

  /* Shadows */
  --shadow:         0 1px 3px rgba(15,23,42,0.06),0 4px 16px rgba(15,23,42,0.08);
  --shadow-md:      0 4px 24px rgba(15,23,42,0.10),0 1px 6px rgba(15,23,42,0.06);
  --shadow-glow:    0 0 30px rgba(13,148,136,0.12);
  --shadow-blue:    0 0 30px rgba(2,132,199,0.10);

  /* Transitions */
  --transition:     all 0.22s cubic-bezier(0.4,0,0.2,1);

  /* Typography */
  --font:           'Inter', system-ui, -apple-system, sans-serif;
  --font-serif:     'Source Serif 4', Georgia, serif;

  /* Layout */
  --max-width:      1160px;
  --content-width:  760px;
}

/* ─── RESET & BASE ─── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; overflow-x:hidden; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
  max-width: 100vw;
}
img { max-width:100%; height:auto; display:block; }
a { color:var(--primary); text-decoration:none; transition:var(--transition); }
a:hover { color:var(--primary-dark); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
::selection { background:var(--primary-light); color:var(--text-primary); }
::-webkit-scrollbar { width:5px; }
::-webkit-scrollbar-track { background:var(--bg-base); }
::-webkit-scrollbar-thumb { background:#CBD5E1; border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:#94A3B8; }

/* ─── TYPOGRAPHY ─── */
h1,h2,h3,h4,h5,h6 {
  color: var(--text-primary);
  font-family: var(--font);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(1.9rem,5vw,3.2rem); font-weight:900; }
h2 { font-size: clamp(1.4rem,3.5vw,2.1rem); }
h3 { font-size: clamp(1.05rem,2.5vw,1.35rem); }
h4 { font-size: 1.05rem; }
p  { color:var(--text-secondary); margin-bottom:1.25rem; line-height:1.8; }
ul,ol { padding-left:1.5rem; color:var(--text-secondary); }
li { margin-bottom:0.5rem; }
blockquote {
  border-left: 3px solid var(--primary);
  padding: 18px 22px;
  background: var(--primary-glow);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 28px 0;
  color: var(--text-primary);
  font-style: italic;
  font-size: 1.05rem;
  font-family: var(--font-serif);
}
blockquote p { color:var(--text-primary); margin:0; }
code {
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.88em;
}
pre {
  background: var(--bg-muted);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-md);
  padding: 20px;
  overflow-x: auto;
  margin: 24px 0;
}
pre code { background:transparent; padding:0; color:var(--text-primary); }
strong,b { color:var(--text-primary); font-weight:600; }
table {
  width:100%; border-collapse:collapse;
  background:var(--bg-card); border-radius:var(--radius-md);
  overflow:hidden; margin:24px 0;
  box-shadow:var(--shadow);
}
th { background:var(--primary-light); color:var(--primary-dark); padding:12px 16px; text-align:left; font-weight:700; font-size:0.88rem; }
td { color:var(--text-secondary); padding:10px 16px; border-bottom:1px solid var(--border); font-size:0.9rem; }
tr:last-child td { border-bottom:none; }
tr:nth-child(even) td { background:var(--bg-muted); }

/* ─── LAYOUT HELPERS ─── */
.container { max-width:var(--max-width); margin:0 auto; padding:0 24px; }
.content-wrap { display:grid; grid-template-columns:1fr 300px; gap:48px; align-items:start; padding:60px 0 80px; }
.section-pad { padding:80px 0; }
.text-center { text-align:center; }
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}

/* ─── SECTION LABEL ─── */
.section-tag {
  display:inline-flex; align-items:center; gap:8px;
  font-size:0.74rem; font-weight:700; color:var(--primary);
  text-transform:uppercase; letter-spacing:0.09em; margin-bottom:12px;
}
.section-tag::before { content:''; width:20px; height:2px; background:var(--primary); border-radius:2px; }

/* ─── BUTTONS ─── */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 24px; border-radius:var(--radius-md);
  font-weight:600; font-size:0.95rem; font-family:var(--font);
  cursor:pointer; transition:var(--transition); border:none;
  text-decoration:none; line-height:1;
}
.btn-primary {
  background:var(--primary); color:#fff;
  box-shadow:0 4px 16px rgba(13,148,136,0.30);
}
.btn-primary:hover { background:var(--primary-dark); color:#fff; transform:translateY(-2px); box-shadow:0 8px 24px rgba(13,148,136,0.38); }
.btn-outline {
  background:transparent; color:var(--primary);
  border:1.5px solid var(--border-active);
}
.btn-outline:hover { background:var(--primary-glow); color:var(--primary-dark); transform:translateY(-2px); }
.btn-accent { background:var(--accent); color:#fff; box-shadow:0 4px 16px rgba(2,132,199,0.28); }
.btn-accent:hover { background:var(--accent-dark); color:#fff; transform:translateY(-2px); }
.btn-ghost { background:var(--bg-muted); color:var(--text-secondary); border:1px solid var(--border); }
.btn-ghost:hover { background:var(--primary-light); color:var(--primary-dark); border-color:var(--border-active); }

/* ─── SITE HEADER & NAV ─── */
#site-header {
  position:sticky; top:0; z-index:1000;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 12px rgba(15,23,42,0.07);
}
.header-inner {
  display:flex; align-items:center; justify-content:space-between;
  max-width:var(--max-width); margin:0 auto; padding:0 24px; height:66px;
}
.site-branding { display:flex; align-items:center; gap:12px; }
.site-logo-icon {
  width:38px; height:38px; border-radius:10px;
  background:linear-gradient(135deg, var(--primary), var(--accent));
  display:flex; align-items:center; justify-content:center;
  font-size:1.2rem; color:#fff; font-weight:900; flex-shrink:0;
}
.site-brand-text { display:flex; flex-direction:column; gap:1px; }
.site-title a {
  color:var(--text-primary); font-weight:800; font-size:1.1rem;
  letter-spacing:-0.025em; text-decoration:none;
}
.site-title a span { color:var(--primary); }
.site-tagline { font-size:0.68rem; color:var(--text-muted); font-weight:500; letter-spacing:0.04em; text-transform:uppercase; }

/* Navigation */
.main-nav ul { list-style:none; display:flex; align-items:center; gap:2px; margin:0; padding:0; }
.main-nav a {
  color:var(--text-secondary); font-weight:500; font-size:0.875rem;
  padding:7px 12px; border-radius:var(--radius-sm);
  transition:var(--transition); display:block;
}
.main-nav a:hover, .main-nav .current-menu-item > a {
  color:var(--primary); background:var(--primary-glow);
}
.nav-cta {
  background:var(--primary) !important; color:#fff !important;
  border-radius:var(--radius-sm); font-weight:600 !important;
  box-shadow:0 2px 10px rgba(13,148,136,0.28);
  padding:8px 16px !important;
}
.nav-cta:hover { background:var(--primary-dark) !important; color:#fff !important; }
.menu-toggle {
  display:none; background:none; border:1px solid var(--border-md);
  border-radius:var(--radius-sm); padding:8px 12px; cursor:pointer; color:var(--text-primary);
  font-size:1.1rem;
}

/* ─── HERO (HOME) ─── */
.hp-hero {
  background:var(--gradient-hero);
  padding:100px 24px 80px; text-align:center;
  position:relative; overflow:hidden;
  border-bottom:1px solid var(--border);
}
.hp-hero::before {
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(circle at 15% 50%,rgba(13,148,136,0.07) 0%,transparent 55%),
    radial-gradient(circle at 85% 20%,rgba(2,132,199,0.06) 0%,transparent 55%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230D9488' fill-opacity='0.025'%3E%3Ccircle cx='30' cy='30' r='1.5'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events:none;
}
.hero-inner { position:relative; max-width:820px; margin:0 auto; }
.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  background:var(--primary-light); border:1px solid rgba(13,148,136,0.3);
  color:var(--primary-dark); font-size:0.74rem; font-weight:700;
  padding:6px 18px; border-radius:50px; margin-bottom:28px;
  letter-spacing:0.06em; text-transform:uppercase;
}
.hero-badge::before { content:'🏥'; }
.hp-hero h1 {
  font-size:clamp(2.2rem,6vw,3.8rem); font-weight:900;
  color:var(--text-primary); line-height:1.1; margin-bottom:20px;
  letter-spacing:-0.03em;
}
.hp-hero h1 .hero-accent { color:var(--primary); }
.hp-hero .hero-sub {
  font-size:1.1rem; color:var(--text-secondary);
  max-width:580px; margin:0 auto 40px; line-height:1.75;
}
.hero-actions { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }

/* Hero stats strip */
.hero-stats {
  display:flex; justify-content:center; gap:40px; flex-wrap:wrap;
  margin-top:56px; padding-top:40px; border-top:1px solid var(--border);
}
.hero-stat { text-align:center; }
.hero-stat-num {
  display:block; font-size:1.9rem; font-weight:900; color:var(--primary);
  line-height:1; margin-bottom:4px; letter-spacing:-0.02em;
}
.hero-stat-lbl { font-size:0.75rem; color:var(--text-muted); font-weight:500; text-transform:uppercase; letter-spacing:0.05em; }

/* ─── PROFILE / ABOUT CARD ─── */
.profile-card {
  display:grid; grid-template-columns:auto 1fr;
  gap:36px; align-items:center;
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-xl); padding:42px;
  margin:60px 0; position:relative; overflow:hidden;
  box-shadow:var(--shadow-md);
}
.profile-card::before {
  content:''; position:absolute; top:-60px; right:-60px;
  width:200px; height:200px;
  background:radial-gradient(circle,rgba(13,148,136,0.06),transparent 70%);
  pointer-events:none;
}
.avatar {
  width:120px; height:120px; border-radius:50%;
  background:linear-gradient(135deg,var(--primary-light),var(--accent-light));
  border:3px solid rgba(13,148,136,0.35);
  display:flex; align-items:center; justify-content:center;
  font-size:2.6rem; color:var(--primary); font-weight:900;
  flex-shrink:0; box-shadow:0 0 24px rgba(13,148,136,0.18);
}
.profile-info h2 { font-size:1.8rem; color:var(--text-primary); margin-bottom:5px; }
.profile-role { color:var(--primary); font-weight:600; font-size:0.88rem; letter-spacing:0.04em; text-transform:uppercase; margin-bottom:14px; }
.profile-bio { color:var(--text-secondary); font-size:0.96rem; line-height:1.75; margin-bottom:20px; }
.profile-tags { display:flex; flex-wrap:wrap; gap:8px; }
.tag {
  padding:4px 12px; border-radius:50px; font-size:0.76rem;
  font-weight:600; border:1px solid;
}
.tag-teal   { background:var(--primary-light); color:var(--primary-dark); border-color:rgba(13,148,136,0.25); }
.tag-blue   { background:var(--accent-light);  color:var(--accent-dark);  border-color:rgba(2,132,199,0.25); }
.tag-amber  { background:#FEF3C7; color:#92400E; border-color:rgba(217,119,6,0.25); }
.tag-green  { background:#DCFCE7; color:#166534; border-color:rgba(22,163,74,0.25); }
.profile-quote {
  border-left:3px solid var(--primary); padding:16px 20px;
  background:var(--primary-glow); border-radius:0 12px 12px 0;
  margin-top:22px; font-style:italic; color:var(--primary-dark); font-size:0.97rem;
  line-height:1.7; font-family:var(--font-serif);
}

/* ─── STATS ROW ─── */
.stats-row {
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:1px; background:var(--border);
  border-radius:var(--radius-lg); overflow:hidden; margin:60px 0;
  box-shadow:var(--shadow);
}
.stat-box { background:var(--bg-card); padding:30px 20px; text-align:center; }
.stat-box:hover { background:var(--bg-card-hover); }
.stat-num {
  font-size:2.2rem; font-weight:900;
  color:var(--primary); display:block; line-height:1; margin-bottom:8px;
}
.stat-num.blue { color:var(--accent); }
.stat-num.amber { color:var(--highlight); }
.stat-lbl { font-size:0.75rem; color:var(--text-muted); font-weight:600; text-transform:uppercase; letter-spacing:0.05em; }

/* ─── CARDS ─── */
.card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:28px;
  transition:var(--transition); box-shadow:var(--shadow);
}
.card:hover {
  border-color:var(--border-active); background:var(--bg-card-hover);
  transform:translateY(-4px); box-shadow:var(--shadow-md),var(--shadow-glow);
}
.card-icon {
  width:46px; height:46px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.3rem; margin-bottom:16px;
}
.card-icon.teal   { background:var(--primary-light); }
.card-icon.blue   { background:var(--accent-light); }
.card-icon.amber  { background:#FEF3C7; }
.card-icon.green  { background:#DCFCE7; }
.card h3 { font-size:1.1rem; color:var(--text-primary); margin-bottom:10px; }
.card p  { color:var(--text-secondary); font-size:0.9rem; line-height:1.7; margin:0; }

/* ─── GRID ─── */
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.grid-skills { display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr)); gap:12px; margin-top:32px; }
.skill-chip {
  display:flex; align-items:center; gap:10px;
  background:var(--bg-muted); border:1px solid var(--border);
  border-radius:var(--radius-md); padding:12px 16px;
  font-size:0.85rem; font-weight:500; color:var(--text-secondary);
  transition:var(--transition);
}
.skill-chip:hover { border-color:var(--border-active); color:var(--primary); background:var(--primary-light); }
.skill-dot { width:7px; height:7px; border-radius:50%; background:var(--primary); flex-shrink:0; }

/* ─── NEWSLETTER BOX ─── */
.newsletter-box {
  background:linear-gradient(135deg, var(--primary-light), var(--accent-light));
  border:1px solid rgba(13,148,136,0.25);
  border-radius:var(--radius-xl); padding:60px 44px;
  text-align:center; position:relative; overflow:hidden; margin:70px 0;
}
.newsletter-box::before {
  content:''; position:absolute; top:-50%; left:50%; transform:translateX(-50%);
  width:500px; height:500px;
  background:radial-gradient(circle,rgba(13,148,136,0.06) 0%,transparent 60%);
  pointer-events:none;
}
.newsletter-inner { position:relative; z-index:1; }
.newsletter-box h2 { font-size:clamp(1.6rem,4vw,2.1rem); color:var(--text-primary); margin-bottom:12px; }
.newsletter-box p  { color:var(--text-secondary); max-width:460px; margin:0 auto 28px; }
.nl-form { display:flex; gap:10px; max-width:460px; margin:0 auto; flex-wrap:wrap; justify-content:center; }
.nl-input {
  flex:1; min-width:210px;
  background:#fff; border:1.5px solid var(--border-md);
  border-radius:var(--radius-sm); padding:12px 18px;
  color:var(--text-primary); font-size:0.95rem; font-family:var(--font);
  outline:none; transition:var(--transition);
}
.nl-input:focus { border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-glow); }
.nl-note { color:var(--text-muted); font-size:0.76rem; margin-top:12px; }

/* ─── BLOG ARCHIVE ─── */
.blog-hero {
  background:var(--gradient-hero); padding:72px 24px 56px; text-align:center;
  position:relative; overflow:hidden; border-bottom:1px solid var(--border);
}
.blog-hero::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(circle at 20% 50%,rgba(13,148,136,0.07),transparent 50%),
    radial-gradient(circle at 80% 20%,rgba(2,132,199,0.05),transparent 50%);
  pointer-events:none;
}
.blog-hero-inner { position:relative; max-width:680px; margin:0 auto; }
.category-filter { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin-top:32px; }
.cat-pill {
  padding:6px 16px; border-radius:50px; font-size:0.8rem; font-weight:600;
  border:1px solid var(--border-md); background:var(--bg-card);
  color:var(--text-secondary); cursor:pointer; transition:var(--transition);
  text-decoration:none; display:inline-block;
}
.cat-pill:hover, .cat-pill.active, .cat-pill.current-cat { background:var(--primary); color:#fff; border-color:var(--primary); }

/* Blog grid */
.post-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(310px,1fr)); gap:24px; }
.post-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-lg); overflow:hidden;
  transition:var(--transition); box-shadow:var(--shadow);
}
.post-card:hover { border-color:var(--border-active); transform:translateY(-4px); box-shadow:var(--shadow-md),var(--shadow-glow); }
.post-card-thumb { width:100%; height:190px; object-fit:cover; display:block; }
.post-card-thumb-placeholder {
  width:100%; height:190px;
  background:linear-gradient(135deg, var(--primary-light), var(--accent-light));
  display:flex; align-items:center; justify-content:center;
  font-size:2.2rem;
}
.post-card-body { padding:22px; }
.post-card-meta { display:flex; align-items:center; gap:10px; margin-bottom:10px; flex-wrap:wrap; }
.post-card-cat {
  font-size:0.70rem; font-weight:700; letter-spacing:0.05em;
  text-transform:uppercase; padding:3px 10px; border-radius:50px;
  background:var(--primary-light); color:var(--primary-dark);
  border:1px solid rgba(13,148,136,0.2);
}
.post-card-date { font-size:0.76rem; color:var(--text-muted); }
.post-card h2 { font-size:1.1rem; color:var(--text-primary); margin-bottom:8px; line-height:1.35; }
.post-card h2 a { color:var(--text-primary); }
.post-card h2 a:hover { color:var(--primary); }
.post-card-excerpt { color:var(--text-secondary); font-size:0.88rem; line-height:1.7; margin-bottom:16px; }
.read-more {
  display:inline-flex; align-items:center; gap:6px;
  color:var(--primary); font-weight:600; font-size:0.83rem;
  padding:6px 14px; border-radius:var(--radius-sm);
  background:var(--primary-light); border:1px solid rgba(13,148,136,0.2);
  transition:var(--transition);
}
.read-more:hover { background:var(--primary); color:#fff; transform:translateX(3px); }

/* ─── FEATURED POST ─── */
.featured-post {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-xl); overflow:hidden;
  display:grid; grid-template-columns:1fr 1fr;
  margin-bottom:40px; box-shadow:var(--shadow-md);
  transition:var(--transition);
}
.featured-post:hover { transform:translateY(-3px); box-shadow:var(--shadow-md),var(--shadow-glow); border-color:var(--border-active); }
.featured-post-img { height:340px; object-fit:cover; width:100%; }
.featured-post-img-placeholder {
  height:340px;
  background:linear-gradient(135deg, var(--primary-light), var(--accent-light));
  display:flex; align-items:center; justify-content:center; font-size:3.5rem;
}
.featured-post-body { padding:40px; display:flex; flex-direction:column; justify-content:center; }
.featured-label {
  display:inline-flex; align-items:center; gap:6px;
  font-size:0.72rem; font-weight:700; color:var(--primary);
  text-transform:uppercase; letter-spacing:0.08em; margin-bottom:14px;
}
.featured-label::before { content:'⭐'; font-size:0.85em; }
.featured-post-body h2 { font-size:1.5rem; color:var(--text-primary); margin-bottom:12px; line-height:1.3; }
.featured-post-body h2 a { color:var(--text-primary); }
.featured-post-body h2 a:hover { color:var(--primary); }
.featured-post-body p { color:var(--text-secondary); font-size:0.95rem; line-height:1.75; margin-bottom:20px; }

/* ─── SINGLE POST ─── */
.single-hero {
  background:var(--gradient-hero); padding:72px 24px 56px;
  text-align:center; position:relative; overflow:hidden;
  border-bottom:1px solid var(--border);
}
.single-hero::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(circle at 30% 60%,rgba(13,148,136,0.07),transparent 55%);
  pointer-events:none;
}
.single-hero-inner { position:relative; max-width:760px; margin:0 auto; }
.post-meta-top { display:flex; align-items:center; gap:10px; justify-content:center; flex-wrap:wrap; margin-bottom:20px; }
.post-category-badge {
  font-size:0.72rem; font-weight:700; text-transform:uppercase;
  letter-spacing:0.05em; padding:4px 12px; border-radius:50px;
  background:var(--primary-light); color:var(--primary-dark); border:1px solid rgba(13,148,136,0.2);
}
.post-date-badge { font-size:0.8rem; color:var(--text-muted); }
.post-read-time { font-size:0.8rem; color:var(--text-muted); }
.single-hero h1 { font-size:clamp(1.8rem,5vw,2.8rem); margin-bottom:18px; line-height:1.14; }
.post-intro { font-size:1.05rem; color:var(--text-secondary); line-height:1.75; }
.post-featured-img { width:100%; max-height:460px; object-fit:cover; border-radius:var(--radius-lg); margin:40px 0; box-shadow:var(--shadow-md); }

/* Entry content (single post body) */
.entry-content { color:var(--text-secondary); font-size:1.02rem; line-height:1.85; }
.entry-content h2 { color:var(--text-primary); margin:2.5rem 0 1rem; font-size:1.55rem; padding-bottom:10px; border-bottom:2px solid var(--primary-light); }
.entry-content h3 { color:var(--text-primary); margin:2rem 0 0.75rem; font-size:1.2rem; }
.entry-content h4 { color:var(--text-primary); margin:1.5rem 0 0.5rem; }
.entry-content p { margin-bottom:1.4rem; }
.entry-content ul, .entry-content ol { margin:1rem 0 1.4rem; }
.entry-content li { margin-bottom:0.6rem; }
.entry-content a { color:var(--primary); border-bottom:1px solid rgba(13,148,136,0.3); }
.entry-content a:hover { color:var(--primary-dark); border-color:var(--primary); }
.entry-content img { border-radius:var(--radius-md); margin:28px 0; box-shadow:var(--shadow); }

/* Post navigation */
.post-nav { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:60px; }
.post-nav-link {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-md); padding:18px 22px;
  transition:var(--transition); text-decoration:none; box-shadow:var(--shadow);
}
.post-nav-link:hover { border-color:var(--border-active); transform:translateY(-3px); box-shadow:var(--shadow-md); }
.post-nav-link.next { text-align:right; }
.post-nav-label { font-size:0.72rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.05em; margin-bottom:5px; }
.post-nav-title { color:var(--text-primary); font-weight:600; font-size:0.93rem; line-height:1.4; }

/* Author box */
.author-box {
  display:flex; gap:22px; align-items:flex-start;
  background:linear-gradient(135deg, var(--primary-light), #fff);
  border:1px solid rgba(13,148,136,0.2);
  border-radius:var(--radius-lg); padding:26px; margin:50px 0;
}
.author-avatar {
  width:70px; height:70px; border-radius:50%;
  background:linear-gradient(135deg, var(--primary-light), var(--accent-light));
  border:2px solid rgba(13,148,136,0.3);
  display:flex; align-items:center; justify-content:center;
  font-size:1.35rem; color:var(--primary); font-weight:800; flex-shrink:0;
}
.author-name { font-weight:700; color:var(--text-primary); margin-bottom:4px; font-size:1rem; }
.author-role { font-size:0.78rem; color:var(--primary); font-weight:600; text-transform:uppercase; letter-spacing:0.04em; margin-bottom:10px; }
.author-bio { color:var(--text-secondary); font-size:0.88rem; line-height:1.7; margin:0; }

/* Key takeaways box */
.takeaways-box {
  background:var(--primary-glow); border:1px solid rgba(13,148,136,0.2);
  border-radius:var(--radius-lg); padding:22px 26px; margin:28px 0;
}
.takeaways-box h4 { color:var(--primary-dark); font-size:0.88rem; text-transform:uppercase; letter-spacing:0.07em; margin-bottom:14px; font-weight:700; }
.takeaways-box ul { list-style:none; padding:0; margin:0; }
.takeaways-box li { padding:8px 0; color:var(--text-secondary); border-bottom:1px solid var(--border); display:flex; gap:10px; align-items:flex-start; }
.takeaways-box li:last-child { border-bottom:none; }
.takeaways-box li::before { content:'✓'; color:var(--primary); font-weight:700; flex-shrink:0; margin-top:1px; }

/* Research highlight box */
.research-box {
  background:var(--accent-light); border:1px solid rgba(2,132,199,0.2);
  border-radius:var(--radius-lg); padding:22px 26px; margin:28px 0;
  border-left:4px solid var(--accent);
}
.research-box .research-label {
  font-size:0.72rem; font-weight:700; color:var(--accent-dark);
  text-transform:uppercase; letter-spacing:0.07em; margin-bottom:8px;
  display:flex; align-items:center; gap:6px;
}
.research-box .research-label::before { content:'🔬'; }
.research-box p { color:var(--accent-dark); font-size:0.9rem; line-height:1.7; margin:0; }

/* ─── SIDEBAR ─── */
.sidebar { position:sticky; top:86px; }
.widget {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:22px; margin-bottom:22px;
  box-shadow:var(--shadow);
}
.widget-title {
  font-size:0.76rem; font-weight:700; text-transform:uppercase;
  letter-spacing:0.08em; color:var(--primary);
  margin-bottom:16px; padding-bottom:10px; border-bottom:2px solid var(--primary-light);
}
.widget ul { list-style:none; padding:0; margin:0; }
.widget ul li { border-bottom:1px solid var(--border); }
.widget ul li:last-child { border-bottom:none; }
.widget ul li a {
  display:block; padding:9px 0; color:var(--text-secondary);
  font-size:0.88rem; transition:var(--transition);
}
.widget ul li a:hover { color:var(--primary); padding-left:6px; }
.widget-bio { text-align:center; }
.widget-bio .mini-avatar {
  width:68px; height:68px; border-radius:50%;
  background:linear-gradient(135deg, var(--primary-light), var(--accent-light));
  border:2px solid rgba(13,148,136,0.3);
  display:flex; align-items:center; justify-content:center;
  font-size:1.3rem; color:var(--primary); font-weight:800;
  margin:0 auto 12px;
}
.widget-bio h4 { color:var(--text-primary); font-size:0.97rem; margin-bottom:3px; }
.widget-bio .bio-role { color:var(--primary); font-size:0.76rem; font-weight:600; text-transform:uppercase; letter-spacing:0.05em; margin-bottom:10px; }
.widget-bio p { font-size:0.85rem; color:var(--text-secondary); line-height:1.65; margin-bottom:14px; }

/* ─── PAGINATION ─── */
.pagination { display:flex; justify-content:center; gap:8px; margin-top:56px; flex-wrap:wrap; }
.page-numbers, .pagination a {
  display:inline-flex; align-items:center; justify-content:center;
  width:40px; height:40px; border-radius:var(--radius-sm);
  background:var(--bg-card); border:1px solid var(--border);
  color:var(--text-secondary); font-weight:600; font-size:0.9rem;
  transition:var(--transition); text-decoration:none;
  box-shadow:var(--shadow);
}
.page-numbers.current, .page-numbers:hover, .pagination a:hover {
  background:var(--primary); color:#fff; border-color:var(--primary);
}
.page-numbers.dots { background:transparent; box-shadow:none; border:none; }

/* ─── FORMS ─── */
input[type="text"],input[type="email"],input[type="search"],input[type="url"],textarea,select {
  background:var(--bg-card); border:1.5px solid var(--border-md);
  border-radius:var(--radius-sm); color:var(--text-primary);
  padding:11px 16px; font-family:var(--font); font-size:0.95rem;
  width:100%; outline:none; transition:var(--transition);
}
input:focus,textarea:focus,select:focus {
  border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-glow);
}
input[type="submit"], button[type="submit"] {
  background:var(--primary); color:#fff; border:none; cursor:pointer;
  padding:12px 24px; border-radius:var(--radius-md); font-weight:600;
  font-family:var(--font); font-size:0.95rem; transition:var(--transition);
}
input[type="submit"]:hover, button[type="submit"]:hover { background:var(--primary-dark); transform:translateY(-2px); }
label { display:block; font-size:0.84rem; font-weight:600; color:var(--text-secondary); margin-bottom:7px; }
.form-row { margin-bottom:18px; }

/* Search form */
.search-form { display:flex; gap:8px; }
.search-form input[type="search"] { border-radius:var(--radius-sm); }
.search-form button {
  background:var(--primary); color:#fff; border:none; cursor:pointer;
  padding:11px 18px; border-radius:var(--radius-sm); font-weight:600;
  font-size:0.9rem; white-space:nowrap; transition:var(--transition);
}
.search-form button:hover { background:var(--primary-dark); }

/* ─── SITE FOOTER ─── */
#site-footer {
  background:var(--text-primary); border-top:none;
  padding:60px 0 24px;
}
.footer-grid {
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px; padding-bottom:44px; border-bottom:1px solid rgba(255,255,255,0.1);
  margin-bottom:24px;
}
.footer-brand .site-title-f {
  font-size:1.15rem; font-weight:900; letter-spacing:-0.025em; margin-bottom:6px;
  color:#fff;
}
.footer-brand .site-title-f span { color:var(--primary); }
.footer-brand .tagline-f { font-size:0.74rem; color:rgba(255,255,255,0.5); font-weight:500; text-transform:uppercase; letter-spacing:0.06em; margin-bottom:14px; }
.footer-brand p { color:rgba(255,255,255,0.6); font-size:0.86rem; line-height:1.65; max-width:250px; margin-bottom:18px; }
.footer-social { display:flex; gap:8px; }
.social-link {
  width:34px; height:34px; border-radius:var(--radius-sm);
  background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.12);
  display:flex; align-items:center; justify-content:center;
  color:rgba(255,255,255,0.6); font-size:0.95rem; transition:var(--transition);
}
.social-link:hover { border-color:rgba(13,148,136,0.5); color:var(--primary); background:rgba(13,148,136,0.15); }
.footer-col h4 { font-size:0.78rem; font-weight:700; color:#fff; text-transform:uppercase; letter-spacing:0.08em; margin-bottom:16px; }
.footer-col ul { list-style:none; padding:0; margin:0; }
.footer-col ul li { margin-bottom:9px; }
.footer-col ul li a { color:rgba(255,255,255,0.55); font-size:0.86rem; transition:var(--transition); }
.footer-col ul li a:hover { color:#fff; }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px; }
.footer-copy { font-size:0.8rem; color:rgba(255,255,255,0.45); }
.footer-legal { display:flex; gap:18px; }
.footer-legal a { font-size:0.8rem; color:rgba(255,255,255,0.45); }
.footer-legal a:hover { color:#fff; }

/* ─── PAGE HERO ─── */
.page-hero {
  background:var(--gradient-hero); padding:72px 24px 56px; text-align:center;
  position:relative; overflow:hidden; border-bottom:1px solid var(--border);
}
.page-hero::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(circle at 25% 50%,rgba(13,148,136,0.07),transparent 50%);
  pointer-events:none;
}
.page-hero-inner { position:relative; max-width:680px; margin:0 auto; }
.page-hero h1 { margin-bottom:14px; }
.page-hero p { color:var(--text-secondary); font-size:1.03rem; line-height:1.75; max-width:520px; margin:0 auto; }

/* ─── 404 ─── */
.error-404 { text-align:center; padding:100px 24px; }
.error-404 .error-num {
  font-size:7rem; font-weight:900;
  color:var(--primary); opacity:0.18; line-height:1; margin-bottom:20px;
}
.error-404 h1 { margin-bottom:16px; }
.error-404 p { color:var(--text-secondary); max-width:460px; margin:0 auto 28px; }

/* ─── SEARCH RESULTS ─── */
.search-form-wrap { display:flex; gap:10px; max-width:500px; margin:0 auto 40px; }
.search-form-wrap input { border-radius:var(--radius-sm); }
.search-form-wrap button {
  background:var(--primary); color:#fff; border:none; padding:11px 22px;
  border-radius:var(--radius-sm); cursor:pointer; font-weight:600; white-space:nowrap;
}

/* ─── BREADCRUMBS ─── */
.breadcrumbs { font-size:0.82rem; color:var(--text-muted); margin-bottom:16px; }
.breadcrumbs a { color:var(--primary); }
.breadcrumbs span { color:var(--text-muted); margin:0 6px; }

/* ─── SHARE BUTTONS ─── */
.share-section { margin:40px 0; padding:20px 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.share-label { font-size:0.8rem; font-weight:600; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:12px; }
.share-buttons { display:flex; gap:10px; flex-wrap:wrap; }
.share-btn {
  display:inline-flex; align-items:center; gap:7px;
  padding:8px 16px; border-radius:var(--radius-sm);
  font-size:0.82rem; font-weight:600; cursor:pointer;
  border:1px solid var(--border-md); background:var(--bg-card);
  color:var(--text-secondary); transition:var(--transition); text-decoration:none;
}
.share-btn:hover { border-color:var(--border-active); color:var(--primary); background:var(--primary-light); }

/* ─── FRONT PAGE OVERRIDES ─── */
.home .entry-content,
.page-template-full-width .entry-content,
#front-page-content .entry-content,
.full-width-content .entry-content {
  max-width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
}
#front-page-content, .full-width-content { overflow-x: hidden; }
.home .page-hero { display: none !important; }

/* ─── UTILITY ─── */
.divider { height:1px; background:var(--border); margin:40px 0; }
.badge {
  display:inline-flex; align-items:center; padding:3px 10px;
  border-radius:50px; font-size:0.72rem; font-weight:700; letter-spacing:0.03em;
}
.badge-teal { background:var(--primary-light); color:var(--primary-dark); }
.badge-blue { background:var(--accent-light); color:var(--accent-dark); }
.badge-amber { background:#FEF3C7; color:#92400E; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }

/* ─── RESPONSIVE ─── */
@media (max-width:1024px) {
  .grid-3 { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .content-wrap { grid-template-columns:1fr; }
  .sidebar { position:static; }
  .stats-row { grid-template-columns:repeat(2,1fr); }
  .featured-post { grid-template-columns:1fr; }
  .featured-post-img, .featured-post-img-placeholder { height:240px; }
}
@media (max-width:768px) {
  .hp-hero { padding:72px 20px 60px; }
  .profile-card { grid-template-columns:1fr; text-align:center; }
  .profile-tags { justify-content:center; }
  .profile-quote { text-align:left; }
  .grid-3,.grid-2 { grid-template-columns:1fr; }
  .hero-actions { flex-direction:column; align-items:center; }
  .hero-stats { gap:24px; }
  .post-nav { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:28px; }
  .newsletter-box { padding:44px 24px; }
  .main-nav { display:none; }
  .main-nav.open {
    display:flex; flex-direction:column;
    position:absolute; top:66px; left:0; right:0;
    background:rgba(255,255,255,0.97); backdrop-filter:blur(20px);
    padding:18px 24px; border-bottom:1px solid var(--border);
    box-shadow:0 8px 20px rgba(15,23,42,0.08);
  }
  .main-nav.open li { border-bottom:1px solid var(--border); }
  .main-nav.open li:last-child { border-bottom:none; }
  .menu-toggle { display:block; }
  .author-box { flex-direction:column; align-items:center; text-align:center; }
  .post-grid { grid-template-columns:1fr; }
  .content-wrap { padding:40px 0 60px; }
}
@media (max-width:480px) {
  .stats-row { grid-template-columns:1fr 1fr; }
  .grid-skills { grid-template-columns:1fr 1fr; }
  .header-inner { padding:0 16px; }
  .container { padding:0 16px; }
  .site-title a { font-size:0.97rem; }
}