/*
Theme Name: TGB Blog
Theme URI: https://teamgrowthbrokerage.com
Description: Modern dark blog theme for Team Growth Brokerage. Card-based grid layout inspired by Expo blog.
Version: 2.0.0
Author: TGB Platform
Author URI: https://teamgrowthbrokerage.com
Text Domain: tgb-blog
*/

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

:root {
  --tgb-bg: #0a0a1a;
  --tgb-surface: #141425;
  --tgb-surface-hover: #1c1c35;
  --tgb-border: #2a2a40;
  --tgb-text: #e4e4ef;
  --tgb-text-muted: #8b8ba0;
  --tgb-text-dim: #5c5c72;
  --tgb-white: #ffffff;
  --tgb-blue: #5b8fb9;
  --tgb-blue-light: #7bb0d6;
  --tgb-accent: #5b8fb9;
  --tgb-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --tgb-max-width: 1200px;
  --tgb-radius: 12px;
  --tgb-radius-sm: 8px;
}

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

body {
  font-family: var(--tgb-font);
  color: var(--tgb-text);
  background-color: var(--tgb-bg);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-footer {
  margin-top: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ===== Header ===== */
.site-header {
  background: var(--tgb-bg);
  border-bottom: 1px solid var(--tgb-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--tgb-max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--tgb-white);
  letter-spacing: -0.02em;
}

.site-logo svg {
  width: 28px;
  height: 28px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  color: var(--tgb-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  transition: all 0.2s;
}

.site-nav a:hover {
  color: var(--tgb-white);
  background: var(--tgb-surface);
}

.site-nav a.current {
  color: var(--tgb-white);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ===== Header Search ===== */
.header-search {
  display: flex;
  align-items: center;
  position: relative;
}

.search-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--tgb-border);
  border-radius: 8px;
  color: var(--tgb-text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.search-toggle:hover {
  color: var(--tgb-white);
  border-color: var(--tgb-text-muted);
}

.search-input {
  width: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--tgb-white);
  font-family: var(--tgb-font);
  font-size: 0.85rem;
  outline: none;
  transition: all 0.3s;
  opacity: 0;
}

.header-search.open .search-toggle {
  border-color: var(--tgb-blue);
  color: var(--tgb-white);
}

.header-search.open .search-input {
  width: 180px;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--tgb-border);
  border-radius: 8px;
  background: var(--tgb-surface);
  opacity: 1;
  margin-right: 0.5rem;
}

.header-search.open .search-input:focus {
  border-color: var(--tgb-blue);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--tgb-white);
  background: var(--tgb-blue);
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  transition: all 0.2s;
}

.header-cta:hover {
  background: var(--tgb-blue-light);
}

.header-link {
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--tgb-text-muted);
  padding: 0.5rem 0.75rem;
  transition: color 0.2s;
}

.header-link:hover {
  color: var(--tgb-white);
}

/* ===== Hero Featured Post ===== */
.hero-featured {
  max-width: var(--tgb-max-width);
  margin: 2.5rem auto 2rem;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .hero-featured {
    margin-bottom: 1rem;
  }
}

.hero-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--tgb-surface);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--tgb-border);
  transition: border-color 0.3s;
}

.hero-card:hover {
  border-color: rgba(91, 143, 185, 0.4);
}

.hero-card-image {
  padding: 1rem;
}

.hero-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--tgb-radius);
  transition: transform 0.3s;
}

.hero-card-image:hover img {
  transform: scale(1.02);
}

.hero-card-image .placeholder-img {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a3048 0%, #162840 40%, #1a4050 100%);
  border-radius: var(--tgb-radius);
}

.hero-card-body {
  padding: 1.75rem 2rem 1.75rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.hero-card-body .post-categories {
  margin-bottom: 0.4rem;
}

.hero-card-body .post-categories a {
  font-size: 0.85rem;
  color: var(--tgb-text-muted);
}

.hero-card-body .post-card-title {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.hero-card-body .post-card-excerpt {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--tgb-text-muted);
  margin-bottom: 0.85rem;
  -webkit-line-clamp: 3;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-card-body .post-card-meta {
  font-size: 0.825rem;
  color: var(--tgb-text-dim);
  margin-bottom: 1rem;
}

.hero-card-body .post-card-author {
  margin-top: 0;
}

.hero-card-body .author-avatar {
  width: 40px;
  height: 40px;
}

.hero-card-body .author-name {
  font-size: 0.9rem;
}

/* ===== Sub-featured 3-col ===== */
.sub-featured {
  max-width: var(--tgb-max-width);
  margin: 2rem auto 0;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ===== Category Tabs ===== */
.category-tabs {
  max-width: var(--tgb-max-width);
  margin: 3rem auto 0;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.category-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--tgb-text-muted);
  background: transparent;
  border: 1px solid var(--tgb-border);
  border-radius: 9999px;
  padding: 0.4rem 0.9rem;
  transition: all 0.2s;
  cursor: pointer;
}

.category-tab:hover {
  color: var(--tgb-white);
  border-color: var(--tgb-text-muted);
}

.category-tab.active {
  color: var(--tgb-white);
  background: var(--tgb-surface);
  border-color: var(--tgb-text-muted);
}

.category-tab .count {
  font-size: 0.725rem;
  color: var(--tgb-text-dim);
  background: var(--tgb-surface);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.category-tab.active .count {
  background: var(--tgb-border);
}

.category-search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--tgb-border);
  border-radius: 9999px;
  color: var(--tgb-text-muted);
  transition: all 0.2s;
  cursor: pointer;
  background: transparent;
  font-size: 0.9rem;
}

.category-search:hover {
  color: var(--tgb-white);
  border-color: var(--tgb-text-muted);
}

/* ===== Post Cards Grid ===== */
.posts-grid {
  max-width: var(--tgb-max-width);
  margin: 1.5rem auto 0;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.post-card {
  background: var(--tgb-surface);
  border-radius: var(--tgb-radius);
  overflow: hidden;
  border: 1px solid transparent;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-3px);
  border-color: rgba(91, 143, 185, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.post-card-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  padding: 0.75rem 0.75rem 0;
}

.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--tgb-radius-sm);
  transition: transform 0.3s;
}

.post-card:hover .post-card-image img {
  transform: scale(1.03);
}

.placeholder-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--tgb-text-dim);
  border-radius: var(--tgb-radius-sm);
}

.placeholder-img.gradient-1 {
  background: linear-gradient(135deg, #1a2a3a 0%, #0d1b2a 50%, #1a3a4a 100%);
}

.placeholder-img.gradient-2 {
  background: linear-gradient(135deg, #1a1a3a 0%, #2a1a3a 50%, #1a2a4a 100%);
}

.placeholder-img.gradient-3 {
  background: linear-gradient(135deg, #0d2a1a 0%, #1a3a2a 50%, #0d2a3a 100%);
}

.post-card-body {
  padding: 1rem 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.post-categories a,
.post-categories span {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--tgb-text-muted);
}

.post-categories .separator {
  color: var(--tgb-text-dim);
}

.post-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--tgb-white);
  margin-bottom: 0.65rem;
  letter-spacing: -0.02em;
}

.post-card-title a {
  color: inherit;
  transition: color 0.2s;
}

.post-card-title a:hover {
  color: var(--tgb-blue-light);
}

.post-card-excerpt {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--tgb-text-muted);
  margin-bottom: 1.1rem;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.post-card-meta {
  font-size: 0.825rem;
  color: var(--tgb-text-dim);
  margin-bottom: 1rem;
}

.post-card-meta .read-time {
  margin-left: 0.25rem;
}

.post-card-author {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: auto;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--tgb-border);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--tgb-text-muted);
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--tgb-text);
}

.author-role {
  font-size: 0.775rem;
  color: var(--tgb-text-dim);
}

/* ===== Load More ===== */
.load-more-wrap {
  max-width: var(--tgb-max-width);
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
  text-align: center;
}

.load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--tgb-font);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--tgb-text);
  background: var(--tgb-surface);
  border: 1px solid var(--tgb-border);
  border-radius: var(--tgb-radius-sm);
  padding: 0.65rem 1.5rem;
  cursor: pointer;
  transition: all 0.2s;
}

.load-more-btn:hover {
  border-color: var(--tgb-text-muted);
  color: var(--tgb-white);
}

/* ===== Pagination (fallback) ===== */
.pagination {
  max-width: var(--tgb-max-width);
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.pagination .nav-links {
  display: flex;
  gap: 0.5rem;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.6rem;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--tgb-border);
  border-radius: var(--tgb-radius-sm);
  color: var(--tgb-text-muted);
  transition: all 0.2s;
}

.pagination a:hover {
  border-color: var(--tgb-text-muted);
  color: var(--tgb-white);
}

.pagination .current {
  background: var(--tgb-white);
  border-color: var(--tgb-white);
  color: var(--tgb-bg);
}

/* ===== Single Post ===== */
.single-header {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 2rem 0;
}

.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--tgb-text-muted);
  margin-bottom: 2rem;
  transition: color 0.2s;
}

.back-to-blog:hover {
  color: var(--tgb-white);
}

.single-header .post-categories {
  margin-bottom: 1rem;
}

.single-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--tgb-white);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.single-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--tgb-border);
}

.single-meta .post-card-author {
  margin-top: 0;
}

.single-meta .meta-date {
  font-size: 0.8rem;
  color: var(--tgb-text-dim);
}

.single-featured-image {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 2rem 0;
}

.single-featured-image img {
  width: 100%;
  border-radius: var(--tgb-radius);
}

.single-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
}

.single-content h2 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--tgb-white);
  margin: 2.5rem 0 1rem;
  letter-spacing: -0.01em;
}

.single-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--tgb-white);
  margin: 2rem 0 0.75rem;
}

.single-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: var(--tgb-text);
}

.single-content blockquote {
  border-left: 3px solid var(--tgb-blue);
  padding: 0.5rem 0 0.5rem 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--tgb-text-muted);
}

.single-content ul,
.single-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.single-content li {
  margin-bottom: 0.5rem;
}

.single-content img {
  border-radius: var(--tgb-radius-sm);
  margin: 2rem 0;
}

.single-content a {
  color: var(--tgb-blue-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.single-content a:hover {
  color: var(--tgb-blue);
}

/* ===== No Results ===== */
.no-results {
  max-width: var(--tgb-max-width);
  margin: 4rem auto;
  padding: 0 2rem;
  text-align: center;
}

.no-results h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--tgb-white);
  margin-bottom: 0.75rem;
}

.no-results p {
  font-size: 1rem;
  color: var(--tgb-text-muted);
  margin-bottom: 1.5rem;
}

.no-results .back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--tgb-blue-light);
  transition: color 0.2s;
}

.no-results .back-link:hover {
  color: var(--tgb-white);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--tgb-surface);
  border-top: 1px solid var(--tgb-border);
  padding: 3rem 2rem;
}

.footer-inner {
  max-width: var(--tgb-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--tgb-white);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--tgb-text-muted);
  padding: 0.25rem 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--tgb-white);
}

.footer-bottom {
  max-width: var(--tgb-max-width);
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--tgb-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.775rem;
  color: var(--tgb-text-dim);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .sub-featured,
  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0 1rem;
    height: 56px;
  }

  .site-nav {
    display: none;
  }

  .hero-featured,
  .sub-featured,
  .posts-grid,
  .category-tabs,
  .load-more-wrap {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .sub-featured,
  .posts-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    grid-template-columns: 1fr;
  }

  .hero-card-body {
    padding: 0 1rem 1.25rem;
  }

  .hero-card-body .post-card-title {
    font-size: 1.25rem;
  }

  .single-header {
    padding: 2rem 1rem 0;
  }

  .single-header h1 {
    font-size: 1.75rem;
  }

  .single-content {
    padding: 1.5rem 1rem 3rem;
  }

  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
}