/* ========================================
   Freelance Tax Estimator - Main Stylesheet
   Color Scheme: Tax Blue (#1e3a8a) + Accent (#e76f51)
   ======================================== */

/* --- CSS Variables --- */
:root {
  --primary: #1e3a8a;
  --primary-light: #2548a0;
  --primary-dark: #152b6b;
  --accent: #e76f51;
  --accent-hover: #d45d3f;
  --gold: #f59e0b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
}

/* --- Dark Mode --- */
body.dark-mode {
  --bg: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --text: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #334155;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.4);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.7;
  transition: var(--transition);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent);
}

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 60px 0;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 16px;
  transition: var(--transition);
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
  color: #f1f5f9;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  box-shadow: var(--shadow);
}

body.dark-mode .header {
  background-color: #0f172a;
  border-bottom-color: #334155;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  max-width: 1140px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

body.dark-mode .logo {
  color: #60a5fa;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 4px 0;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* --- Dark Mode Toggle --- */
.dark-toggle {
  background: none;
  border: 2px solid var(--border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition);
  color: var(--text);
}

.dark-toggle:hover {
  border-color: var(--primary);
  background-color: var(--bg-secondary);
}

/* --- Social Share (Header) --- */
.social-share-header {
  display: flex;
  gap: 10px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  color: white;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  letter-spacing: -0.5px;
}

.social-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.social-btn:hover::before {
  opacity: 1;
}

.social-btn.twitter {
  background: #000000;
}
.social-btn.twitter:hover {
  background: #1a1a1a;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}

.social-btn.facebook {
  background: linear-gradient(135deg, #1877f2, #4267B2);
}
.social-btn.facebook:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(66, 103, 178, 0.35);
}

.social-btn.discord {
  background: linear-gradient(135deg, #5865F2, #7289da);
}
.social-btn.discord:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(88, 101, 242, 0.35);
}

.social-btn.copy-link {
  background: linear-gradient(135deg, #6b7280, #9ca3af);
}
.social-btn.copy-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(107, 114, 128, 0.35);
}

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--text);
  transition: var(--transition);
  border-radius: 2px;
}

body.dark-mode .hamburger span {
  background-color: #e2e8f0;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Mobile Menu --- */
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 20px;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: var(--transition);
}

body.dark-mode .mobile-menu {
  background: #0f172a;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-menu a {
  display: block;
  padding: 10px 16px;
  color: var(--text);
  font-weight: 500;
  border-radius: var(--radius);
  transition: var(--transition);
}

.mobile-menu a:hover {
  background: var(--bg-secondary);
  color: var(--primary);
}

body.dark-mode .mobile-menu a:hover {
  background: #1e293b;
  color: #60a5fa;
}

.mobile-social {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  text-align: center;
  padding: 80px 20px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 80"><circle cx="40" cy="40" r="1.5" fill="rgba(255,255,255,0.05)"/></svg>') repeat;
  background-size: 40px 40px;
}

.hero * {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: white;
  font-size: 3rem;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  color: rgba(255,255,255,0.85);
  font-size: 1.2rem;
  max-width: 640px;
  margin: 0 auto 32px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  background: var(--accent);
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.hero-cta:hover {
  background: var(--accent-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(231, 111, 81, 0.4);
}

/* --- Calculator --- */
.calculator-section {
  background: var(--bg-secondary);
}

.calculator-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px;
  max-width: 900px;
  margin: 0 auto;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

body.dark-mode .form-group label {
  color: #cbd5e1;
}

.form-group input,
.form-group select {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--bg);
  color: var(--text);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.15);
}

body.dark-mode .form-group input,
body.dark-mode .form-group select {
  background: #0f172a;
  color: #e2e8f0;
  border-color: #334155;
}

body.dark-mode .form-group input:focus,
body.dark-mode .form-group select:focus {
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.deductions-list {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.deduction-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  transition: var(--transition);
}

.deduction-item label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.deduction-item input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: var(--transition);
}

.deduction-item input:focus {
  border-color: var(--primary);
}

body.dark-mode .deduction-item {
  background: #334155;
  border-color: #475569;
}

body.dark-mode .deduction-item label {
  color: #e2e8f0;
}

body.dark-mode .deduction-item input {
  background: #0f172a;
  color: #e2e8f0;
  border-color: #475569;
}

.calc-btn {
  grid-column: 1 / -1;
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.calc-btn:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

body.dark-mode .calc-btn {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
}

/* --- Results --- */
.results-panel {
  margin-top: 40px;
  display: none;
  animation: fadeInUp 0.5s ease;
}

.results-panel.active {
  display: block;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.results-header {
  text-align: center;
  margin-bottom: 24px;
}

.results-header h3 {
  color: var(--text);
  font-size: 1.5rem;
}

body.dark-mode .results-header h3 {
  color: #f1f5f9;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.result-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.result-card .amount {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

body.dark-mode .result-card .amount {
  color: #60a5fa;
}

.result-card .label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.result-card.highlight {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-color: transparent;
}

.result-card.highlight .amount {
  color: white;
}

.result-card.highlight .label {
  color: rgba(255,255,255,0.8);
}

.result-card.success {
  border-color: var(--success);
}

.result-card.success .amount {
  color: var(--success);
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.breakdown-table th,
.breakdown-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.breakdown-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text);
  font-size: 0.9rem;
}

.breakdown-table tr:last-child td {
  border-bottom: none;
}

.breakdown-table .total-row td {
  font-weight: 700;
  color: var(--text);
  border-top: 2px solid var(--primary);
  font-size: 1.1rem;
}

body.dark-mode .breakdown-table th {
  background: #1e293b;
  color: #e2e8f0;
}

body.dark-mode .breakdown-table td {
  color: #94a3b8;
}

.semi-annual {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  border: 2px solid var(--gold);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  margin-top: 24px;
}

body.dark-mode .semi-annual {
  background: linear-gradient(135deg, #422006, #451a03);
  border-color: var(--warning);
}

.semi-annual h4 {
  color: #92400e;
  margin-bottom: 8px;
}

body.dark-mode .semi-annual h4 {
  color: #fbbf24;
}

.semi-annual .amount {
  font-size: 2rem;
  font-weight: 700;
  color: #78350f;
}

body.dark-mode .semi-annual .amount {
  color: #fde68a;
}

/* --- Deductions Guide --- */
.deductions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.deduction-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.deduction-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.deduction-card .icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.deduction-card h4 {
  color: var(--text);
  margin-bottom: 8px;
}

.deduction-card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

body.dark-mode .deduction-card {
  background: #1e293b;
  border-color: #334155;
}

body.dark-mode .deduction-card h4 {
  color: #f1f5f9;
}

/* --- State Tax Table --- */
.state-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.state-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.state-table th {
  background: var(--primary);
  color: white;
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  position: sticky;
  top: 0;
}

.state-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.state-table tbody tr:hover {
  background: var(--bg-secondary);
}

.state-table tbody tr:last-child td {
  border-bottom: none;
}

.state-table .no-income td {
  color: var(--accent);
  font-weight: 600;
}

body.dark-mode .state-table th {
  background: #2563eb;
}

body.dark-mode .state-table td {
  color: #94a3b8;
}

body.dark-mode .state-table tbody tr:hover {
  background: #1e293b;
}

/* --- FAQ --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.faq-item:hover {
  border-color: var(--primary);
}

.faq-question {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
  transition: var(--transition);
  user-select: none;
}

body.dark-mode .faq-question {
  color: #e2e8f0;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-arrow {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  color: var(--text-muted);
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  line-height: 1.8;
}

body.dark-mode .faq-answer-inner {
  color: #94a3b8;
}

/* --- Static Page Content --- */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 20px;
}

.page-content h1 {
  color: var(--primary);
  text-align: center;
  margin-bottom: 40px;
}

body.dark-mode .page-content h1 {
  color: #60a5fa;
}

.page-content h2 {
  color: var(--text);
  margin-top: 32px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}

body.dark-mode .page-content h2 {
  color: #e2e8f0;
}

.page-content p,
.page-content li {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

body.dark-mode .page-content p,
body.dark-mode .page-content li {
  color: #94a3b8;
}

.page-content ul,
.page-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.page-content li {
  color: var(--text-secondary);
}

/* --- Blog Cards --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.blog-card-image {
  height: 180px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.blog-card-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(transparent, rgba(0,0,0,0.3));
}

.blog-card-body {
  padding: 20px;
}

.blog-card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.blog-card-body h3 a {
  color: var(--text);
}

.blog-card-body h3 a:hover {
  color: var(--primary);
}

body.dark-mode .blog-card-body h3 a {
  color: #e2e8f0;
}

.blog-card-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.blog-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Single Blog Post --- */
.blog-post {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.blog-post-header {
  text-align: center;
  margin-bottom: 40px;
}

.blog-post-header h1 {
  font-size: 2.2rem;
  margin-bottom: 16px;
  line-height: 1.3;
}

.blog-post-header .meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.blog-post-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.blog-post-images img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.blog-post-images .full-width {
  grid-column: 1 / -1;
}

.blog-post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text);
}

.blog-post-content h2 {
  font-size: 1.6rem;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--primary);
}

body.dark-mode .blog-post-content h2 {
  color: #60a5fa;
}

.blog-post-content h3 {
  font-size: 1.3rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.blog-post-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.blog-post-content ul,
.blog-post-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.blog-post-content li {
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.blog-post-content strong {
  color: var(--text);
  font-weight: 600;
}

body.dark-mode .blog-post-content strong {
  color: #e2e8f0;
}

/* Blog CTA Box */
.blog-cta-box {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin: 40px 0;
  box-shadow: var(--shadow-lg);
}

body.dark-mode .blog-cta-box {
  background: linear-gradient(135deg, #1e40af, #1e3a8a);
}

.blog-cta-box h3 {
  color: white;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.blog-cta-box p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
}

.blog-cta-box a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--accent);
  color: white;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  text-decoration: none;
}

.blog-cta-box a:hover {
  background: var(--accent-hover);
  color: white;
  transform: translateY(-2px);
}

/* Blog Share */
.blog-share {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 0;
  border-top: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
  margin: 40px 0;
}

.blog-share span {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

body.dark-mode .blog-share span {
  color: #e2e8f0;
}

.blog-share .social-btn {
  width: 44px;
  height: 44px;
  font-size: 16px;
  border-radius: 14px;
}

/* ========================================
   Blog Page Redesign - New Components
   ======================================== */

/* Blog Hero */
.blog-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 70px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.blog-hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.blog-hero h1 {
  color: white;
  font-size: 2.8rem;
  margin-bottom: 16px;
  line-height: 1.2;
}

.blog-hero p {
  color: rgba(255,255,255,0.8);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 30px;
  line-height: 1.6;
}

.blog-hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
}

.stat-item {
  text-align: center;
}

.stat-item strong {
  display: block;
  color: white;
  font-size: 1.8rem;
  font-weight: 700;
}

.stat-item span {
  color: rgba(255,255,255,0.65);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Featured Article */
.featured-article {
  margin-top: -30px;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.featured-image {
  min-height: 300px;
  background-size: cover;
  background-position: center;
}

.featured-content {
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: white;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  width: fit-content;
  margin-bottom: 16px;
}

.featured-content h2 {
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.35;
}

body.dark-mode .featured-content h2 {
  color: #e2e8f0;
}

.featured-content > p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.featured-meta {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Category Tabs */
.blog-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 45px 0 25px;
  padding: 0 10px;
}

.cat-btn {
  padding: 8px 22px;
  border: 2px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 50px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.25s ease;
}

.cat-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.cat-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* Blog Card Enhancements */
.blog-card-link {
  text-decoration: none;
  display: block;
  color: inherit;
}

.blog-card-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(30,58,138,0.08), rgba(30,58,138,0.04));
  color: var(--primary);
  padding: 3px 12px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

body.dark-mode .blog-card-tag {
  background: rgba(96,165,250,0.12);
  color: #60a5fa;
}

/* Blog Bottom CTA */
.blog-bottom-cta {
  margin: 60px 0 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cta-inner {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 50px 30px;
  text-align: center;
}

body.dark-mode .cta-inner {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.cta-inner h2 {
  font-size: 1.8rem;
  margin-bottom: 12px;
  color: var(--text);
}

.cta-inner p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 24px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Contact Form --- */

/* ========================================
   Blog Article Page - Enhanced Components
   ======================================== */

/* Reading Progress Bar */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  width: 0%;
  z-index: 10000;
  transition: width 0.1s linear;
}

/* Breadcrumb & Post Header */
.breadcrumb {
  display: inline-block;
  color: var(--text-muted);
  font-size: 0.88rem;
  text-decoration: none;
  margin-bottom: 16px;
  transition: color 0.2s;
}
.breadcrumb:hover { color: var(--primary); }

.post-category {
  display: inline-block;
  background: linear-gradient(135deg, rgba(30,58,138,0.08), rgba(30,58,138,0.04));
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 14px;
}
body.dark-mode .post-category {
  background: rgba(96,165,250,0.12);
  color: #60a5fa;
}

.meta-row {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

/* Article Layout (Content + TOC) */
.article-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  margin-top: 36px;
}

/* TOC Sidebar */
.toc-sidebar {
  position: sticky;
  top: 80px;
  align-self: start;
  height: fit-content;
}
.toc-sidebar h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.toc-list {
  list-style: none;
  padding: 0;
  border-left: 2px solid var(--border);
}
.toc-list li { margin-bottom: 0; }
.toc-list a {
  display: block;
  padding: 6px 0 6px 18px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
  border-left: 2px solid transparent;
  margin-left: -2px;
}
.toc-list a:hover,
.toc-list a.active {
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
}
body.dark-mode .toc-list a.active { color: #60a5fa; border-left-color: #60a5fa; }

/* Lead Text */
.lead-text {
  font-size: 1.15rem !important;
  line-height: 1.75 !important;
  color: var(--text) !important;
  font-weight: 400;
}
body.dark-mode .lead-text { color: #e2e8f0 !important; }

/* Content Figure */
.content-figure {
  margin: 28px 0;
}
.content-figure img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Info Box */
.info-box {
  background: var(--bg-secondary);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 24px;
  margin: 20px 0;
}
.info-box ul { margin: 0; padding-left: 20px; }
.info-box li { margin-bottom: 8px; }
body.dark-mode .info-box { background: rgba(30,41,59,0.5); }

/* Step Boxes */
.step-boxes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
}
.step-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  transition: transform 0.2s;
}
.step-box:hover { transform: translateY(-2px); }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.step-box p {
  font-size: 0.9rem !important;
  color: var(--text-secondary) !important;
  margin: 0 !important;
}

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.comparison-table th {
  background: var(--primary);
  color: white;
  padding: 14px 18px;
  font-size: 0.92rem;
  text-align: left;
}
.comparison-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tbody tr:hover td { background: var(--bg-secondary); }

/* Deduction Grid */
.deduction-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 24px 0;
}
.deduction-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.deduction-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.ded-icon {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 8px;
}
.deduction-item strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 4px;
}
.deduction-item p {
  font-size: 0.82rem !important;
  color: var(--text-muted) !important;
  margin: 0 !important;
}

/* Deadline Table */
.deadline-table {
  margin: 24px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.deadline-row {
  display: grid;
  grid-template-columns: 50px 160px 1fr;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.deadline-row:last-child { border-bottom: none; }
.deadline-row:hover { background: var(--bg-secondary); }
.deadline-q {
  font-weight: 800;
  color: var(--accent);
  font-size: 0.95rem;
}
.deadline-date {
  font-weight: 600;
  color: var(--text);
  font-size: 0.9rem;
}
.deadline-period {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Mistake List */
.mistake-list {
  counter-reset: mistake;
  list-style: none !important;
  padding: 0 !important;
}
.mistake-list > li {
  counter-increment: mistake;
  position: relative;
  padding: 14px 16px 14px 52px;
  margin-bottom: 8px !important;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border-left: 3px solid var(--warning);
}
.mistake-list > li::before {
  content: counter(mistake);
  position: absolute;
  left: 16px;
  top: 14px;
  width: 26px; height: 26px;
  background: var(--warning);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
}

/* Related Articles */
.related-articles {
  margin-top: 50px;
  padding-top: 35px;
  border-top: 2px solid var(--border);
}
.related-articles h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: var(--text);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-decoration: none;
  transition: all 0.25s ease;
  display: block;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.related-tag {
  display: inline-block;
  background: rgba(231,111,81,0.1);
  color: var(--accent);
  padding: 2px 10px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.related-card h4 {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}
.related-card span {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--shadow);
}

.contact-info-card .icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.contact-form-card .form-group {
  margin-bottom: 16px;
}

.contact-form-card textarea {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--bg);
  color: var(--text);
  transition: var(--transition);
  outline: none;
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.contact-form-card textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.15);
}

body.dark-mode .contact-form-card textarea {
  background: #0f172a;
  color: #e2e8f0;
  border-color: #334155;
}

.submit-btn {
  width: 100%;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.submit-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* --- Footer --- */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 48px 0 24px;
}

body.dark-mode .footer {
  background: #020617;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* --- Toast Notification --- */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--primary);
  color: white;
  padding: 14px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  font-weight: 500;
  font-size: 0.95rem;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--danger);
}

.toast.warning {
  background: var(--warning);
  color: #000;
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .hero { padding: 60px 16px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }

  .nav-links,
  .social-share-header {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .calculator-card {
    padding: 24px 16px;
  }

  .calc-grid {
    grid-template-columns: 1fr;
  }

  .deductions-list {
    grid-template-columns: 1fr;
  }

  .results-grid {
    grid-template-columns: 1fr 1fr;
  }

  .result-card .amount {
    font-size: 1.4rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-post-images {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .state-table-wrapper {
    margin: 0 -20px;
    border-radius: 0;
  }

  section {
    padding: 40px 0;
  }

  .page-content {
    padding: 40px 16px;
  }

  .blog-post {
    padding: 24px 16px 40px;
  }

  .blog-post-header h1 {
    font-size: 1.6rem;
  }

  /* Blog redesign mobile */
  .blog-hero { padding: 50px 20px; }
  .blog-hero h1 { font-size: 2rem; }
  .blog-hero p { font-size: 1rem; }
  .blog-hero-stats { gap: 24px; }
  .stat-item strong { font-size: 1.4rem; }

  .featured-card { grid-template-columns: 1fr; }
  .featured-image { min-height: 200px; }
  .featured-content { padding: 24px; }

  .blog-categories { gap: 8px; margin: 30px 0 15px; }
  .cat-btn { padding: 6px 16px; font-size: 0.8rem; }

  .cta-inner { padding: 35px 20px; }
  .cta-inner h2 { font-size: 1.4rem; }

  /* Article page mobile */
  .article-layout { grid-template-columns: 1fr; }
  .toc-sidebar { display: none; }

  .step-boxes { grid-template-columns: 1fr; }
  .deduction-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: 1fr; }
  .deadline-row { grid-template-columns: 40px 1fr; gap: 8px; }
  .deadline-period { display: none; }
}

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

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero-cta {
    padding: 14px 28px;
    font-size: 1rem;
  }

  .toast {
    right: 16px;
    bottom: 16px;
    left: 16px;
    font-size: 0.85rem;
  }
}