/*
Theme Name:  Digital Knowledge Hub
Theme URI:   https://digitalknowledgehub.in
Author:      Digital Knowledge Hub Team
Author URI:  https://digitalknowledgehub.in
Description: A clean, professional blog & guest posting theme for Digital Knowledge Hub. Built with custom guest post submission system, admin review panel, and full sidebar widget support.
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: dkh
Tags:        blog, custom-menu, featured-images, footer-widgets, full-width-template, sticky-post, theme-options, threaded-comments, translation-ready
*/

/* ============================================================
   DESIGN TOKENS
============================================================ */
:root {
  --navy:        #0A0F1E;
  --navy-mid:    #111827;
  --navy-soft:   #1C2438;
  --teal:        #00C9A7;
  --teal-dim:    #00A88C;
  --coral:       #FF5757;
  --white:       #F8F9FF;
  --slate:       #8892A4;
  --border:      rgba(255,255,255,0.08);
  --card-bg:     #151B2E;
  --font-display:'Plus Jakarta Sans', sans-serif;
  --font-body:   'DM Sans', sans-serif;
  --font-mono:   'DM Mono', monospace;
  --radius:      12px;
  --radius-lg:   20px;
  --transition:  0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ============================================================
   RESET + BASE
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; padding: 0; margin: 0; }
button { cursor: pointer; font-family: inherit; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--teal); border-radius: 3px; }

/* ============================================================
   NAVIGATION
============================================================ */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 5%;
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
  transition: background var(--transition), box-shadow var(--transition);
}
.site-nav.scrolled {
  background: rgba(10,15,30,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}
.site-logo {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 800;
  letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 8px;
}
.site-logo .logo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal);
  animation: pulse 2s infinite;
}
.site-logo span { color: var(--teal); }
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.4; transform:scale(1.4); }
}
.nav-menu { display: flex; align-items: center; gap: 2rem; }
.nav-menu a {
  font-size: 0.875rem; font-weight: 500;
  color: var(--slate); transition: color var(--transition);
}
.nav-menu a:hover,
.nav-menu a.current-menu-item { color: var(--white); }
.nav-cta {
  background: var(--teal); color: var(--navy) !important;
  padding: 8px 20px; border-radius: 8px;
  font-size: 0.85rem; font-weight: 700 !important;
  transition: background var(--transition), transform var(--transition);
}
.nav-cta:hover { background: var(--teal-dim) !important; transform: translateY(-1px); }
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px; cursor: pointer;
}
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
}
.mobile-nav {
  display: none; position: fixed; top: 70px; left:0; right:0;
  background: rgba(10,15,30,0.97); backdrop-filter: blur(20px);
  padding: 1.5rem 5%; z-index: 999;
  flex-direction: column; gap: 1rem;
  border-bottom: 1px solid var(--border);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 1rem; font-weight: 500; color: var(--slate); padding: 0.5rem 0; }
.mobile-nav a:hover { color: var(--white); }

/* ============================================================
   LAYOUT WRAPPERS
============================================================ */
.site-main { padding-top: 70px; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 5%; }
.section { padding: 80px 0; }

/* ============================================================
   TYPOGRAPHY UTILITIES
============================================================ */
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 0.75rem; display: block;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800; letter-spacing: -0.02em; line-height: 1.2;
}
.section-title em { font-style: normal; color: var(--teal); }
.section-sub { color: var(--slate); font-size: 0.95rem; margin-top: 0.75rem; max-width: 520px; }
.view-all {
  font-size: 0.85rem; font-weight: 600; color: var(--teal);
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap var(--transition);
}
.view-all:hover { gap: 10px; }

/* ============================================================
   BUTTONS
============================================================ */
.btn-primary {
  background: var(--teal); color: var(--navy);
  padding: 13px 26px; border-radius: var(--radius);
  font-weight: 700; font-size: 0.92rem;
  border: none; display: inline-flex; align-items: center; gap: 8px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--teal-dim); transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,201,167,0.3);
}
.btn-outline {
  background: transparent; color: var(--white);
  padding: 13px 26px; border-radius: var(--radius);
  font-weight: 600; font-size: 0.92rem;
  border: 1px solid var(--border); display: inline-flex; align-items: center; gap: 8px;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.btn-outline:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }

/* ============================================================
   CATEGORY PILLS
============================================================ */
.cat-pill {
  display: inline-block; font-family: var(--font-mono);
  font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 100px; font-weight: 500; white-space: nowrap;
}
.cat-seo     { background: rgba(0,201,167,0.12); color: var(--teal); }
.cat-dm      { background: rgba(255,87,87,0.12);  color: var(--coral); }
.cat-social  { background: rgba(139,92,246,0.12); color: #A78BFA; }
.cat-content { background: rgba(251,191,36,0.12); color: #FBBF24; }
.cat-email   { background: rgba(59,130,246,0.12); color: #60A5FA; }
.cat-ppc     { background: rgba(236,72,153,0.12); color: #F472B6; }

/* ============================================================
   BLOG CARDS
============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.blog-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,201,167,0.3);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.blog-card-thumb {
  height: 200px; overflow: hidden; position: relative;
  background: linear-gradient(135deg, var(--navy-soft), #0D2137);
}
.blog-card-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.blog-card:hover .blog-card-thumb img { transform: scale(1.04); }
.blog-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.blog-card-cats { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 0.75rem; }
.blog-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 700; line-height: 1.3;
  letter-spacing: -0.01em; margin-bottom: 0.6rem; flex: 1;
  transition: color var(--transition);
}
.blog-card:hover .blog-card-title { color: var(--teal); }
.blog-card-excerpt { color: var(--slate); font-size: 0.85rem; line-height: 1.6; margin-bottom: 1.25rem; }
.blog-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1rem; border-top: 1px solid var(--border);
  font-size: 0.78rem; color: var(--slate);
}
.blog-card-author { display: flex; align-items: center; gap: 8px; }
.avatar {
  width: 28px; height: 28px; border-radius: 50%;
  overflow: hidden; background: linear-gradient(135deg, var(--teal), #005F52);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700; color: var(--navy); flex-shrink: 0;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.reading-time { font-family: var(--font-mono); font-size: 0.7rem; }

/* ============================================================
   SINGLE POST LAYOUT
============================================================ */
.post-header { padding: 60px 0 40px; max-width: 820px; }
.post-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.15;
  margin: 1rem 0 1.5rem;
}
.post-meta {
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  padding-bottom: 1.5rem; border-bottom: 1px solid var(--border);
  font-size: 0.85rem; color: var(--slate);
}
.post-meta-author { display: flex; align-items: center; gap: 10px; }
.avatar-md {
  width: 40px; height: 40px; border-radius: 50%; overflow: hidden; flex-shrink: 0;
  background: linear-gradient(135deg, var(--teal), #005F52);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700; color: var(--navy);
}
.avatar-md img { width: 100%; height: 100%; object-fit: cover; }
.post-author-name { font-weight: 600; color: var(--white); font-size: 0.9rem; }
.post-layout {
  display: grid; grid-template-columns: 1fr 300px;
  gap: 3rem; padding-bottom: 80px;
}
.post-thumbnail {
  width: 100%; height: 380px; object-fit: cover;
  border-radius: var(--radius); margin-bottom: 2.5rem;
  border: 1px solid var(--border);
}
.entry-content h2 {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 800;
  margin: 2.5rem 0 1rem; letter-spacing: -0.01em;
}
.entry-content h3 {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
  margin: 2rem 0 0.75rem;
}
.entry-content p { color: var(--slate); line-height: 1.8; margin-bottom: 1.25rem; font-size: 0.97rem; }
.entry-content ul, .entry-content ol {
  color: var(--slate); padding-left: 1.5rem; margin-bottom: 1.25rem;
}
.entry-content li { margin-bottom: 0.5rem; font-size: 0.97rem; line-height: 1.7; }
.entry-content ul { list-style: disc; }
.entry-content ol { list-style: decimal; }
.entry-content blockquote {
  border-left: 3px solid var(--teal); padding: 1rem 1.5rem;
  background: rgba(0,201,167,0.05); border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0; color: var(--white); font-style: italic;
}
.entry-content a { color: var(--teal); text-decoration: underline; }
.entry-content img { border-radius: var(--radius); margin: 1.5rem 0; }
.entry-content code {
  background: var(--navy-soft); color: var(--teal);
  font-family: var(--font-mono); font-size: 0.85em;
  padding: 2px 8px; border-radius: 4px;
}
.entry-content pre {
  background: var(--navy-soft); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
  overflow-x: auto; margin-bottom: 1.25rem;
}
.entry-content pre code { background: none; padding: 0; }
.entry-content strong { color: var(--white); font-weight: 600; }
.toc {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; margin-bottom: 2.5rem;
}
.toc h4 { font-family: var(--font-display); font-size: 0.9rem; font-weight: 700; margin-bottom: 1rem; }
.toc ol { padding-left: 1.2rem; }
.toc li { font-size: 0.83rem; margin-bottom: 0.5rem; }
.toc li a { color: var(--slate); transition: color var(--transition); }
.toc li a:hover { color: var(--teal); }
.author-box {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  display: flex; gap: 1.25rem; align-items: flex-start; margin-top: 3rem;
}
.author-box-avatar {
  width: 64px; height: 64px; border-radius: 50%; overflow: hidden; flex-shrink: 0;
  background: linear-gradient(135deg, var(--teal), #005F52);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 800; color: var(--navy);
}
.author-box-avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-box-name { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.author-box-role { font-family: var(--font-mono); font-size: 0.7rem; color: var(--teal); margin-bottom: 0.5rem; }
.author-box p { color: var(--slate); font-size: 0.85rem; line-height: 1.6; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 0.75rem; }
.tag {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em;
  padding: 5px 12px; border-radius: 6px;
  background: var(--navy-soft); border: 1px solid var(--border); color: var(--slate);
  transition: all var(--transition);
}
.tag:hover { border-color: var(--teal); color: var(--teal); background: rgba(0,201,167,0.06); }
.post-share {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 2.5rem;
}
.share-label { font-size: 0.85rem; font-weight: 600; }

/* ============================================================
   SIDEBAR
============================================================ */
.sidebar { position: sticky; top: 90px; height: fit-content; }
.sidebar-widget {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.5rem;
}
.sidebar-widget h3 {
  font-family: var(--font-display); font-size: 0.95rem; font-weight: 700;
  margin-bottom: 1.25rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border);
}
/* Popular posts */
.sidebar-post { display: flex; gap: 12px; margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.sidebar-post:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.sidebar-post-thumb {
  width: 56px; height: 56px; border-radius: 8px; flex-shrink: 0; overflow: hidden;
  background: linear-gradient(135deg, var(--navy-soft), #0D2137);
}
.sidebar-post-thumb img { width: 100%; height: 100%; object-fit: cover; }
.sidebar-post-title { font-size: 0.82rem; font-weight: 600; line-height: 1.3; margin-bottom: 4px; }
.sidebar-post-date { font-family: var(--font-mono); font-size: 0.68rem; color: var(--slate); }
/* Search */
.sidebar-search-wrap { display: flex; gap: 8px; }
.sidebar-search-input {
  flex: 1; background: var(--navy); border: 1px solid var(--border);
  color: var(--white); padding: 9px 13px; border-radius: 8px;
  font-family: var(--font-body); font-size: 0.85rem; outline: none;
  transition: border-color var(--transition);
}
.sidebar-search-input:focus { border-color: var(--teal); }
.sidebar-search-input::placeholder { color: var(--slate); }
.sidebar-search-btn {
  background: var(--teal); color: var(--navy); border: none;
  width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.sidebar-search-btn:hover { background: var(--teal-dim); }
/* Categories */
.sidebar-cat-list { display: flex; flex-direction: column; gap: 2px; }
.sidebar-cat-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 10px; border-radius: 8px; cursor: pointer;
  transition: background var(--transition);
}
.sidebar-cat-item:hover { background: rgba(0,201,167,0.06); }
.sidebar-cat-item:hover .sidebar-cat-name { color: var(--teal); }
.sidebar-cat-left { display: flex; align-items: center; gap: 10px; }
.sidebar-cat-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.sidebar-cat-name { font-size: 0.85rem; font-weight: 500; transition: color var(--transition); }
.sidebar-cat-count {
  font-family: var(--font-mono); font-size: 0.68rem;
  background: var(--navy-soft); border: 1px solid var(--border);
  color: var(--slate); padding: 2px 8px; border-radius: 100px;
}
/* Archives */
.sidebar-archive-list { display: flex; flex-direction: column; gap: 2px; }
.sidebar-archive-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 10px; border-radius: 8px; cursor: pointer;
  transition: background var(--transition);
}
.sidebar-archive-item:hover { background: rgba(0,201,167,0.06); }
.sidebar-archive-item:hover .sidebar-archive-month { color: var(--teal); }
.sidebar-archive-left { display: flex; align-items: center; gap: 9px; }
.sidebar-archive-month { font-size: 0.85rem; font-weight: 500; transition: color var(--transition); }
.sidebar-archive-btn {
  width: 100%; margin-top: 10px; background: transparent;
  border: 1px solid var(--border); color: var(--slate); padding: 8px;
  border-radius: 8px; font-size: 0.78rem; font-family: var(--font-body);
  transition: border-color var(--transition), color var(--transition);
}
.sidebar-archive-btn:hover { border-color: var(--teal); color: var(--teal); }

/* ============================================================
   NEWSLETTER
============================================================ */
.newsletter-bar {
  padding: 3.5rem 4rem;
  background: linear-gradient(135deg, var(--navy-soft) 0%, rgba(0,201,167,0.06) 100%);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 2rem;
}
.newsletter-form { display: flex; gap: 12px; flex-wrap: wrap; }
.newsletter-input {
  background: var(--navy); border: 1px solid var(--border);
  color: var(--white); padding: 12px 20px; border-radius: var(--radius);
  font-family: var(--font-body); font-size: 0.9rem; width: 280px; outline: none;
  transition: border-color var(--transition);
}
.newsletter-input:focus { border-color: var(--teal); }
.newsletter-input::placeholder { color: var(--slate); }

/* ============================================================
   GUEST POST TIERS
============================================================ */
.tier-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.tier-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem; position: relative;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.tier-card:hover { transform: translateY(-4px); box-shadow: 0 16px 50px rgba(0,0,0,0.3); }
.tier-card.featured { border-color: var(--teal); }
.tier-featured-badge {
  position: absolute; top: 16px; right: 16px;
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em;
  text-transform: uppercase; background: var(--teal); color: var(--navy);
  padding: 3px 10px; border-radius: 4px; font-weight: 700;
}
.tier-price { font-family: var(--font-display); font-size: 2.4rem; font-weight: 800; line-height: 1; margin: 0.75rem 0 0.25rem; }
.tier-price span { font-size: 1rem; font-weight: 400; color: var(--slate); }
.tier-features { display: flex; flex-direction: column; gap: 0.65rem; margin: 1.25rem 0 1.75rem; }
.tier-feature { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--slate); }
.tier-feature::before { content: '✓'; color: var(--teal); font-weight: 700; }
.tier-feature.off::before { content: '✕'; color: var(--slate); }
.tier-feature.off { opacity: 0.5; }

/* ============================================================
   FORMS
============================================================ */
.dkh-form-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2.5rem;
}
.form-section-label {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 1.25rem;
  padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); display: block;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-bottom: 1.25rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.83rem; font-weight: 600; margin-bottom: 0.5rem; }
.form-control {
  width: 100%; background: var(--navy); border: 1px solid var(--border);
  color: var(--white); padding: 11px 16px; border-radius: var(--radius);
  font-family: var(--font-body); font-size: 0.9rem; outline: none;
  transition: border-color var(--transition);
}
.form-control:focus { border-color: var(--teal); }
.form-control::placeholder { color: var(--slate); }
.form-control option { background: var(--navy-mid); }
textarea.form-control { resize: vertical; min-height: 140px; line-height: 1.6; }
.upload-area {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 2.5rem; text-align: center; cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.upload-area:hover { border-color: var(--teal); background: rgba(0,201,167,0.03); }
.form-divider { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }
.form-notice { font-size: 0.78rem; color: var(--slate); line-height: 1.5; }
.dkh-alert {
  padding: 12px 16px; border-radius: var(--radius); font-size: 0.875rem;
  margin-bottom: 1.25rem; display: none;
}
.dkh-alert.success { background: rgba(0,201,167,0.12); border: 1px solid var(--teal); color: var(--teal); display: block; }
.dkh-alert.error   { background: rgba(255,87,87,0.12);  border: 1px solid var(--coral); color: var(--coral); display: block; }

/* ============================================================
   FOOTER
============================================================ */
.site-footer { margin-top: 80px; border-top: 1px solid var(--border); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand p { color: var(--slate); font-size: 0.875rem; line-height: 1.7; margin: 1rem 0; }
.footer-socials { display: flex; gap: 12px; }
.social-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--card-bg); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
  transition: border-color var(--transition), background var(--transition);
}
.social-icon:hover { border-color: var(--teal); background: rgba(0,201,167,0.1); }
.footer-col h4 { font-family: var(--font-display); font-weight: 700; font-size: 0.9rem; margin-bottom: 1.25rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col ul li a { font-size: 0.85rem; color: var(--slate); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--teal); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  padding-top: 2rem; border-top: 1px solid var(--border); font-size: 0.8rem; color: var(--slate);
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .post-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-hamburger { display: flex; }
  .section { padding: 60px 0; }
  .blog-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .newsletter-bar { padding: 2rem; flex-direction: column; }
  .newsletter-input { width: 100%; }
  .tier-grid { grid-template-columns: 1fr; }
}