/*
Theme Name: Topcentral Global Enterprise
Theme URI: https://www.topcentralseo.com/
Author: Topcentral Digital Team
Version: 2.0.0
Text Domain: topcentral-global
*/

:root {
  --tc-primary: #1a5f7a;
  --tc-primary-dark: #134b61;
  --tc-primary-light: #2a8faf;
  --tc-accent: #57c5b6;
  --tc-gold: #c8a45c;
  --tc-dark: #0f172a;
  --tc-dark-800: #1e293b;
  --tc-gray-600: #475569;
  --tc-gray-400: #94a3b8;
  --tc-gray-200: #e2e8f0;
  --tc-white: #ffffff;
  --tc-offwhite: #fafbfc;
  --tc-font-heading: 'Inter', sans-serif;
  --tc-font-body: 'Inter', sans-serif;
  --tc-max-width: 1280px;
  --tc-header-height: 80px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--tc-font-body);
  color: var(--tc-dark-800);
  background: var(--tc-offwhite);
  line-height: 1.6;
}

.tc-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--tc-header-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--tc-gray-200);
  z-index: 1000;
}

.tc-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--tc-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.tc-logo {
  font-family: var(--tc-font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--tc-dark);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.tc-nav {
  display: flex;
  gap: 32px;
}

.tc-nav a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--tc-dark-800);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: color 0.15s;
}

.tc-nav a:hover { color: var(--tc-primary); }

.tc-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
}

.tc-btn-primary {
  background: linear-gradient(135deg, var(--tc-primary), var(--tc-primary-dark));
  color: white;
}

.tc-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(26,95,122,0.3);
}

.tc-btn-secondary {
  background: transparent;
  color: var(--tc-primary);
  border: 2px solid var(--tc-primary);
}

.tc-btn-secondary:hover {
  background: var(--tc-primary);
  color: white;
}

.tc-hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--tc-dark) 0%, var(--tc-dark-800) 50%, var(--tc-primary-dark) 100%);
  padding-top: var(--tc-header-height);
}

.tc-hero-content {
  max-width: var(--tc-max-width);
  margin: 0 auto;
  padding: 80px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.tc-hero h1 {
  font-size: 3.75rem;
  color: white;
  line-height: 1.1;
  margin-bottom: 24px;
}

.tc-hero h1 span {
  background: linear-gradient(135deg, var(--tc-accent), #7dd3c8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tc-hero p {
  font-size: 1.25rem;
  color: var(--tc-gray-400);
  margin-bottom: 32px;
  max-width: 600px;
  line-height: 1.7;
}

.tc-hero-buttons {
  display: flex;
  gap: 16px;
}

.tc-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.tc-hero-stat-value {
  font-size: 2.25rem;
  font-weight: 800;
  color: white;
}

.tc-hero-stat-label {
  font-size: 0.875rem;
  color: var(--tc-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 8px;
}

.tc-section {
  padding: 80px 0;
}

.tc-container {
  max-width: var(--tc-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.tc-section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}

.tc-section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 16px;
  color: var(--tc-dark);
}

.tc-section-header p {
  font-size: 1.125rem;
  color: var(--tc-gray-600);
}

.tc-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.tc-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: all 0.25s;
  border: 1px solid var(--tc-gray-200);
}

.tc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.tc-card-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.tc-card-body {
  padding: 24px;
}

.tc-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.tc-card-title a {
  color: var(--tc-dark);
  text-decoration: none;
}

.tc-card-title a:hover {
  color: var(--tc-primary);
}

.tc-card-text {
  font-size: 0.875rem;
  color: var(--tc-gray-600);
  line-height: 1.6;
  margin-bottom: 16px;
}

.tc-card-meta {
  display: flex;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--tc-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tc-footer {
  background: var(--tc-dark);
  color: var(--tc-gray-400);
  padding: 80px 0 32px;
}

.tc-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.tc-footer-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: white;
  margin-bottom: 24px;
}

.tc-footer-links {
  list-style: none;
}

.tc-footer-links li {
  margin-bottom: 12px;
}

.tc-footer-links a {
  color: var(--tc-gray-500);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.15s;
}

.tc-footer-links a:hover {
  color: var(--tc-accent);
}

.tc-footer-bottom {
  border-top: 1px solid var(--tc-dark-700);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--tc-gray-600);
}



@media (max-width: 1024px) {
  .tc-hero-content { grid-template-columns: 1fr; }
  .tc-articles-grid { grid-template-columns: repeat(2, 1fr); }
  .tc-footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .tc-hero h1 { font-size: 2.25rem; }
  .tc-articles-grid { grid-template-columns: 1fr; }
  .tc-footer-grid { grid-template-columns: 1fr; }
  .tc-nav { display: none; }
  .tc-hero-stats { grid-template-columns: 1fr; }
}


/* ============================================
   PAGE TEMPLATE STYLES (page.php)
   ============================================ */
.tc-page-section {
    background: var(--tc-offwhite, #fafbfc);
    padding: 80px 0;
    min-height: 60vh;
}

.tc-page-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.tc-page-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--tc-dark-800, #1e293b);
}

.tc-page-body h1 {
    font-size: clamp(1.8rem, 4vw, 3rem) !important;
    font-weight: 800 !important;
    color: var(--tc-dark, #0f172a);
    margin-bottom: 24px;
    line-height: 1.2;
}

.tc-page-body h2 {
    font-size: clamp(1.4rem, 3vw, 2rem) !important;
    font-weight: 700 !important;
    color: var(--tc-dark, #0f172a);
    margin: 32px 0 16px;
}

.tc-page-body p {
    margin-bottom: 16px;
}

.tc-page-body ul, .tc-page-body ol {
    margin: 16px 0 16px 24px;
}

.tc-page-body li {
    margin-bottom: 8px;
}

/* ============================================
   SINGLE POST STYLES (single.php)
   ============================================ */
.tc-post-layout {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.tc-post-meta {
    margin-bottom: 20px;
    color: #64748b;
    font-size: 0.9rem;
}

.tc-post-meta a {
    color: var(--tc-primary, #1a5f7a) !important;
    text-decoration: none;
}

.tc-post-meta a:hover {
    text-decoration: underline;
}

.tc-post-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #334155;
}

.tc-post-content h1 {
    font-size: clamp(1.8rem, 4vw, 3rem) !important;
    font-weight: 800 !important;
    color: #0f172a;
    line-height: 1.3;
    margin-bottom: 30px;
}

.tc-post-content h2 {
    font-size: clamp(1.4rem, 3vw, 2rem) !important;
    font-weight: 700 !important;
    color: #0f172a;
    margin: 40px 0 16px;
    padding-top: 20px;
    border-top: 1px solid var(--tc-gray-200, #e2e8f0);
}

.tc-post-content h3 {
    font-size: clamp(1.1rem, 2vw, 1.5rem) !important;
    font-weight: 600 !important;
    color: #1e293b;
    margin: 28px 0 12px;
}

.tc-post-content p {
    margin-bottom: 16px;
}

.tc-post-content ul, .tc-post-content ol {
    margin: 16px 0 16px 24px;
}

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

.tc-post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.95rem;
}

.tc-post-content th {
    background: var(--tc-primary, #1a5f7a);
    color: white;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
}

.tc-post-content td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--tc-gray-200, #e2e8f0);
}

.tc-post-content tr:hover td {
    background: var(--tc-offwhite, #fafbfc);
}

/* ============================================
   EXTERNAL LINKS BLOCK (single.php)
   ============================================ */
.tc-external-links {
    margin: 48px 0;
    padding: 32px;
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border: 1px solid #86efac;
    border-radius: 12px;
}

.tc-external-links h3 {
    font-size: 1.25rem !important;
    font-weight: 700 !important;
    color: #166534 !important;
    margin-bottom: 20px !important;
}

.tc-external-links-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

.tc-external-links-list li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: white;
    border: 1px solid #d1fae5;
    border-radius: 8px;
    color: var(--tc-primary, #1a5f7a) !important;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.tc-external-links-list li a:hover {
    background: #f0fdf4;
    border-color: #22c55e;
    transform: translateY(-1px);
}

.tc-external-links-list li a .ext-icon {
    color: #22c55e;
    font-size: 1rem;
}

/* ============================================
   404 ERROR PAGE
   ============================================ */
.tc-404 {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 24px;
}

.tc-404-content h1 {
    font-size: 6rem !important;
    font-weight: 800 !important;
    color: var(--tc-gray-200, #e2e8f0) !important;
    margin-bottom: 16px;
}

.tc-404-content h2 {
    font-size: 1.5rem !important;
    color: var(--tc-dark, #0f172a);
    margin-bottom: 16px;
}

.tc-404-content p {
    color: var(--tc-gray-600, #475569);
    margin-bottom: 24px;
}