/* =========================================================
   CRS Score Calculator - Main Stylesheet
   Site: crsscorecalculator.vercel.app
   ========================================================= */

/* --- CSS Custom Properties --- */
:root {
  --primary: #CC0000;
  --primary-dark: #990000;
  --primary-light: #ff3333;
  --text: #212529;
  --text-muted: #6c757d;
  --bg: #f8f9fa;
  --bg-white: #ffffff;
  --border: #dee2e6;
  --border-light: #f0f0f0;
  --card-shadow: 0 2px 12px rgba(0,0,0,0.08);
  --card-shadow-hover: 0 8px 30px rgba(0,0,0,0.15);
  --radius: 8px;
  --radius-lg: 16px;
  --success: #28a745;
  --success-light: #5cb85c;
  --warning: #fd7e14;
  --caution: #ffc107;
  --danger: #dc3545;
  --nav-height: 70px;
  --transition: all 0.25s ease;
}

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

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

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }
ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; }
li { margin-bottom: 0.4rem; }

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

/* --- Skip Link for Accessibility --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: 8px 16px;
  z-index: 9999;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { top: 0; }

/* =========================================================
   NAVIGATION
   ========================================================= */

.site-header {
  background: var(--bg-white);
  border-bottom: 3px solid var(--primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary);
  text-decoration: none;
  flex-shrink: 0;
}
.logo:hover { text-decoration: none; color: var(--primary-dark); }
.logo-icon { font-size: 1.8rem; }
.logo-text { line-height: 1.2; }
.logo-text span { display: block; font-size: 0.7rem; font-weight: 400; color: var(--text-muted); }

.main-nav { display: flex; align-items: center; gap: 4px; }

.nav-item { position: relative; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  color: var(--text);
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--radius);
  cursor: pointer;
  border: none;
  background: none;
  white-space: nowrap;
  transition: var(--transition);
}
.nav-link:hover { background: var(--bg); color: var(--primary); text-decoration: none; }
.nav-link .arrow { font-size: 0.6rem; transition: transform 0.2s; }
.nav-item:hover .arrow { transform: rotate(180deg); }

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow-hover);
  min-width: 240px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 100;
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown a {
  display: block;
  padding: 10px 16px;
  color: var(--text);
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}
.dropdown a:last-child { border-bottom: none; }
.dropdown a:hover { background: #fff5f5; color: var(--primary); text-decoration: none; padding-left: 20px; }

.nav-cta {
  background: var(--primary);
  color: white !important;
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: var(--transition);
  text-decoration: none;
}
.nav-cta:hover { background: var(--primary-dark); color: white; text-decoration: none; transform: translateY(-1px); }

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
  border-radius: var(--radius);
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* =========================================================
   HERO SECTION
   ========================================================= */

.hero {
  background: linear-gradient(135deg, #CC0000 0%, #8B0000 60%, #5a0000 100%);
  color: white;
  padding: 60px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 60%);
}
.hero-content { position: relative; z-index: 1; }
.hero h1 {
  font-size: 2.5rem;
  color: white;
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.hero-subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero-trust {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 2rem;
}
.hero-trust span { display: inline-block; margin: 0 8px; }
.hero-trust span::before { content: '✓ '; color: #90EE90; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}
.btn-white {
  background: white;
  color: var(--primary);
}
.btn-white:hover { background: #f0f0f0; color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); text-decoration: none; }
.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover { background: var(--primary-dark); color: white; transform: translateY(-2px); text-decoration: none; }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: white; text-decoration: none; }
.btn-lg { padding: 16px 40px; font-size: 1.1rem; }
.btn-block { width: 100%; justify-content: center; }

/* =========================================================
   MAIN LAYOUT
   ========================================================= */

.page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 30px;
  padding: 40px 0;
  align-items: start;
}

.main-content { min-width: 0; }
.sidebar { min-width: 0; }

/* =========================================================
   CARDS
   ========================================================= */

.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  padding: 28px;
  margin-bottom: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border-light);
}
.card-header h2, .card-header h3 {
  margin: 0;
  font-size: 1.2rem;
}
.card-icon { font-size: 1.4rem; }

/* =========================================================
   CRS CALCULATOR FORM
   ========================================================= */

.calculator-wrapper {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.calc-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 24px 28px;
}
.calc-header h2 { color: white; font-size: 1.4rem; margin-bottom: 4px; }
.calc-header p { opacity: 0.85; font-size: 0.9rem; margin: 0; }

.calc-body { padding: 28px; }

.calc-section {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-light);
}
.calc-section:last-child { border-bottom: none; margin-bottom: 0; }

.calc-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  padding: 10px 14px;
  background: #fff5f5;
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}
.section-badge {
  background: var(--primary);
  color: white;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}
.form-full { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}
.form-group label .hint {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg-white);
  transition: var(--transition);
  font-family: inherit;
  -webkit-appearance: none;
  appearance: none;
}
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(204,0,0,0.12);
}
.form-control:hover { border-color: #aaa; }

.radio-group { display: flex; gap: 12px; flex-wrap: wrap; }
.radio-option {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 8px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  font-size: 0.9rem;
  user-select: none;
}
.radio-option:hover { border-color: var(--primary); background: #fff5f5; }
.radio-option input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}
.radio-option.selected { border-color: var(--primary); background: #fff5f5; }

/* Language Score Table */
.lang-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.lang-group { display: flex; flex-direction: column; gap: 6px; }
.lang-label { font-size: 0.82rem; font-weight: 600; color: var(--text); text-align: center; }

.spouse-section {
  display: none;
  padding: 20px;
  background: #fff8e1;
  border-radius: var(--radius);
  border: 1px dashed #ffc107;
  margin-top: 12px;
}
.spouse-section.visible { display: block; }
.spouse-section .calc-section-title {
  background: #fff3cd;
  border-left-color: #ffc107;
  color: #856404;
}

/* Calculate Button */
.calc-btn-wrapper { padding: 0 28px 28px; }
.calculate-btn {
  width: 100%;
  padding: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(204,0,0,0.3);
  font-family: 'Poppins', sans-serif;
  letter-spacing: 0.5px;
}
.calculate-btn:hover {
  background: linear-gradient(135deg, var(--primary-dark), #660000);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(204,0,0,0.4);
}
.calculate-btn:active { transform: translateY(0); }

/* =========================================================
   RESULTS SECTION
   ========================================================= */

.results-section {
  display: none;
  padding: 28px;
  border-top: 3px solid var(--primary);
}
.results-section.visible { display: block; }

.score-display {
  text-align: center;
  padding: 30px;
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  color: white;
}
.score-label { font-size: 0.9rem; opacity: 0.7; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 8px; }
.score-number {
  font-size: 5rem;
  font-weight: 900;
  font-family: 'Poppins', sans-serif;
  line-height: 1;
  margin: 8px 0;
}
.score-number.score-danger { color: #ff6b6b; }
.score-number.score-caution { color: #ffd166; }
.score-number.score-warning { color: #fd7e14; }
.score-number.score-good { color: #90EE90; }
.score-number.score-excellent { color: #00ff88; }

.score-verdict { font-size: 1rem; opacity: 0.85; font-weight: 500; }

/* Progress Bar */
.score-progress-wrapper { margin: 20px 0; }
.score-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.score-progress-bar {
  height: 14px;
  background: var(--border);
  border-radius: 50px;
  overflow: hidden;
}
.score-progress-fill {
  height: 100%;
  border-radius: 50px;
  transition: width 1s ease;
  background: linear-gradient(90deg, #dc3545, #ffc107, #fd7e14, #28a745);
}

/* Breakdown Table */
.breakdown-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.breakdown-table th {
  background: #f8f9fa;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.breakdown-table td { padding: 10px 14px; border-bottom: 1px solid var(--border-light); }
.breakdown-table tr:last-child td { border-bottom: none; }
.breakdown-table tr.total-row { background: #fff5f5; font-weight: 700; }
.breakdown-table tr.total-row td { color: var(--primary); font-size: 1.05rem; border-top: 2px solid var(--border); }
.breakdown-pts { text-align: right; font-weight: 600; color: var(--primary); }

/* Score Actions */
.score-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.score-actions .btn { flex: 1; min-width: 140px; }

.score-comparison {
  background: #e8f5e9;
  border-left: 4px solid var(--success);
  padding: 14px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 16px 0;
  font-size: 0.9rem;
  color: #1b5e20;
}

/* =========================================================
   TABLES
   ========================================================= */

.table-wrapper { overflow-x: auto; margin-bottom: 20px; }

table { width: 100%; border-collapse: collapse; }
table th {
  background: var(--primary);
  color: white;
  padding: 12px 16px;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 600;
}
table td { padding: 10px 16px; border-bottom: 1px solid var(--border-light); font-size: 0.9rem; }
table tr:hover { background: #fafafa; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
}
.badge-danger { background: #ffe0e0; color: #dc3545; }
.badge-caution { background: #fff8e1; color: #856404; }
.badge-warning { background: #fff3e0; color: #e65100; }
.badge-good { background: #e8f5e9; color: #2e7d32; }
.badge-excellent { background: #e0f2f1; color: #00695c; }
.badge-new { background: #e3f2fd; color: #1565c0; }
.badge-pnp { background: #f3e5f5; color: #6a1b9a; }

/* CRS Range Table */
.crs-range-table th:first-child,
.crs-range-table td:first-child { font-weight: 600; }

/* =========================================================
   SIDEBAR
   ========================================================= */

.sidebar-widget {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  padding: 20px;
  margin-bottom: 20px;
}
.sidebar-widget h3 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cutoff-widget { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: white; }
.cutoff-widget h3 { color: white; border-bottom-color: rgba(255,255,255,0.2); }
.cutoff-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.15); font-size: 0.88rem; }
.cutoff-item:last-child { border-bottom: none; }
.cutoff-item .label { opacity: 0.85; }
.cutoff-item .value { font-weight: 700; font-size: 1.1rem; }

.related-tools { display: flex; flex-direction: column; gap: 8px; }
.related-tool-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.88rem;
  transition: var(--transition);
  text-decoration: none;
}
.related-tool-link:hover { background: #fff5f5; color: var(--primary); text-decoration: none; }
.related-tool-link .tool-icon { font-size: 1rem; }

/* =========================================================
   AD SLOTS
   ========================================================= */

.ad-slot {
  background: #f5f5f5;
  border: 2px dashed #ddd;
  border-radius: var(--radius);
  text-align: center;
  color: #999;
  font-size: 0.8rem;
  margin: 20px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ad-leaderboard {
  width: 100%;
  min-height: 90px;
  max-height: 90px;
}
.ad-rectangle {
  min-height: 280px;
  width: 100%;
  max-width: 336px;
  margin: 20px auto;
}
.ad-sidebar {
  min-height: 250px;
  width: 100%;
  max-width: 300px;
  margin: 10px auto;
}
.ad-slot::before { content: 'Advertisement'; letter-spacing: 1px; text-transform: uppercase; }

/* =========================================================
   INFO SECTIONS
   ========================================================= */

.info-section { padding: 50px 0; }
.info-section.alt-bg { background: var(--bg-white); }

.section-header { text-align: center; margin-bottom: 36px; }
.section-header h2 { margin-bottom: 8px; }
.section-header p { color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* Steps */
.steps-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 20px; }
.step-item { display: flex; gap: 18px; align-items: flex-start; }
.step-num {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.step-content h4 { margin-bottom: 4px; font-size: 1rem; }
.step-content p { margin: 0; color: var(--text-muted); font-size: 0.9rem; }

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--card-shadow);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-light);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.feature-icon { font-size: 2.5rem; margin-bottom: 12px; }
.feature-card h3 { font-size: 1rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 0.88rem; margin: 0; }

/* FAQ */
.faq-list { list-style: none; padding: 0; }
.faq-item {
  border-bottom: 1px solid var(--border-light);
  padding: 18px 0;
}
.faq-item:first-child { padding-top: 0; }
.faq-item:last-child { border-bottom: none; }
.faq-question {
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}
.faq-toggle { color: var(--primary); font-size: 1.2rem; flex-shrink: 0; font-style: normal; transition: transform 0.2s; }
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer { display: none; margin-top: 10px; color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }
.faq-item.open .faq-answer { display: block; }

/* =========================================================
   BREADCRUMB
   ========================================================= */

.breadcrumb-nav {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  padding: 10px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #ccc; }
.breadcrumb .current { color: var(--text); font-weight: 500; }

/* =========================================================
   DRAWS TABLE
   ========================================================= */

.draws-section { margin-top: 30px; }
.draws-table th:last-child, .draws-table td:last-child { text-align: right; }

/* =========================================================
   RELATED CALCULATORS GRID
   ========================================================= */

.related-calc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.calc-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-light);
  text-align: center;
  transition: var(--transition);
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.calc-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); color: var(--primary); text-decoration: none; border-color: var(--primary); }
.calc-card-icon { font-size: 2rem; }
.calc-card-title { font-size: 0.88rem; font-weight: 600; }

/* =========================================================
   PAGE HEADER (non-homepage)
   ========================================================= */

.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 48px 0;
}
.page-header h1 { color: white; font-size: 2rem; margin-bottom: 10px; }
.page-header p { opacity: 0.85; max-width: 680px; margin: 0 0 12px; }
.page-header .meta-info { display: flex; gap: 20px; flex-wrap: wrap; font-size: 0.85rem; opacity: 0.75; }
.page-header .meta-info span::before { content: '📅 '; }

/* =========================================================
   CONTENT TYPOGRAPHY
   ========================================================= */

.content-body h2 { margin-top: 2rem; margin-bottom: 1rem; color: var(--primary); font-size: 1.4rem; }
.content-body h3 { margin-top: 1.6rem; margin-bottom: 0.8rem; font-size: 1.15rem; }
.content-body ul, .content-body ol { margin-bottom: 1rem; }

.highlight-box {
  background: #e8f5e9;
  border-left: 4px solid var(--success);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 20px 0;
}
.highlight-box.warning { background: #fff8e1; border-left-color: var(--caution); }
.highlight-box.info { background: #e3f2fd; border-left-color: #1976d2; }
.highlight-box h4 { margin-bottom: 6px; font-size: 0.95rem; }
.highlight-box p { margin: 0; font-size: 0.9rem; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 24px 0;
}
.stat-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--card-shadow);
  border-top: 3px solid var(--primary);
}
.stat-value { font-size: 2rem; font-weight: 800; color: var(--primary); font-family: 'Poppins', sans-serif; }
.stat-label { font-size: 0.82rem; color: var(--text-muted); margin-top: 4px; }

/* =========================================================
   BLOG
   ========================================================= */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.blog-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  border: 1px solid var(--border-light);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.blog-card-body { padding: 20px; }
.blog-card-body h2 { font-size: 1.1rem; margin-bottom: 8px; }
.blog-card-body h2 a { color: var(--text); }
.blog-card-body h2 a:hover { color: var(--primary); text-decoration: none; }
.blog-card-excerpt { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 14px; }
.blog-card-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; }
.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
}
.blog-read-more:hover { text-decoration: none; gap: 10px; }

.blog-post-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}
.post-meta { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 24px; }
.update-date { font-weight: 600; color: var(--primary); }

article { line-height: 1.8; }
article h2 { color: var(--primary); margin-top: 2rem; }
article p { margin-bottom: 1rem; }
article ul, article ol { margin-bottom: 1rem; }

.internal-cta {
  background: #fff5f5;
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  padding: 16px 20px;
  text-align: center;
  margin-top: 30px;
}
.internal-cta a { font-weight: 700; font-size: 1rem; color: var(--primary); }
.internal-cta a:hover { color: var(--primary-dark); }

/* =========================================================
   FOOTER
   ========================================================= */

.site-footer {
  background: #1a1a2e;
  color: #ccc;
  padding: 60px 0 0;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h4 {
  color: white;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: #bbb; font-size: 0.88rem; transition: var(--transition); }
.footer-links a:hover { color: white; text-decoration: none; }
.footer-links .external-link::after { content: ' ↗'; font-size: 0.75rem; opacity: 0.7; }

.footer-bottom {
  padding: 20px 0;
  background: #111;
  margin-top: 0;
}
.footer-bottom-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}
.footer-disclaimer {
  font-size: 0.82rem;
  color: #888;
  line-height: 1.5;
}
.footer-copyright { font-size: 0.82rem; color: #666; }

/* =========================================================
   PRINT STYLES
   ========================================================= */

@media print {
  .site-header, .site-footer, .ad-slot, .score-actions, .sidebar, .nav-toggle { display: none !important; }
  .page-layout { grid-template-columns: 1fr; }
  .results-section { display: block !important; }
  body { background: white; }
  .score-display { background: #333 !important; -webkit-print-color-adjust: exact; }
}

/* =========================================================
   RESPONSIVE — TABLET (768px)
   ========================================================= */

@media (max-width: 1024px) {
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .related-calc-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.3rem; }

  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
    box-shadow: 4px 0 20px rgba(0,0,0,0.1);
  }
  .main-nav.open { transform: translateX(0); }

  .nav-item { border-bottom: 1px solid var(--border-light); }
  .nav-link { padding: 14px 8px; font-size: 1rem; border-radius: 0; }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--bg);
    border-radius: var(--radius);
    margin-top: 4px;
    display: none;
    padding: 8px;
  }
  .nav-item.mobile-open .dropdown { display: block; }
  .dropdown a { border-radius: var(--radius); margin-bottom: 2px; }

  .nav-cta { display: block; text-align: center; margin-top: 16px; }

  .hero { padding: 40px 0; }
  .hero h1 { font-size: 1.7rem; }

  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
  .lang-grid { grid-template-columns: repeat(2, 1fr); }

  .features-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .related-calc-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }

  .score-number { font-size: 4rem; }
  .score-actions { flex-direction: column; }
  .score-actions .btn { flex: auto; }

  .card { padding: 18px; }
  .calc-body { padding: 18px; }
}

@media (max-width: 375px) {
  .container { padding: 0 14px; }
  h1 { font-size: 1.4rem; }
  .hero h1 { font-size: 1.4rem; }
  .score-number { font-size: 3.2rem; }
  .related-calc-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .lang-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 320px) {
  .container { padding: 0 10px; }
  h1 { font-size: 1.3rem; }
  .btn { padding: 12px 20px; font-size: 0.9rem; }
  .calculate-btn { font-size: 1rem; padding: 14px; }
}

/* =========================================================
   UTILITY CLASSES
   ========================================================= */

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.pt-4 { padding-top: 32px; }
.pb-4 { padding-bottom: 32px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-2 { gap: 16px; }
.fw-bold { font-weight: 700; }
.fs-small { font-size: 0.88rem; }
.hidden { display: none; }
.visible { display: block; }

/* Animations */
@keyframes countUp {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}
.count-up { animation: countUp 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.5s ease forwards; }

/* Smooth scroll target offset */
.scroll-target { scroll-margin-top: calc(var(--nav-height) + 16px); }