/* ============================================
   STATIC PAGES CSS - CLASSIC BLUE THEME
   For: FAQs, About, Contact, Terms, Policy, Methodology
============================================ */
:root {
  --primary: #0d47a1;
  --primary-light: #1565c0;
  --primary-dark: #0a2a6a;
  --primary-bg: #e3f2fd;
  --accent: #42a5f5;
  --accent-light: #90caf9;
  --text-dark: #1a1a2e;
  --text-muted: #555577;
  --bg-white: #FFFFFF;
  --bg-gray: #f4f6fa;
  --shadow: 0 4px 20px rgba(13, 71, 161, 0.08);
  --shadow-hover: 0 8px 30px rgba(13, 71, 161, 0.15);
  --border-radius: 12px;
  --transition: all 0.3s ease;
  --max-width: 1400px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-white);
  color: var(--text-dark);
  line-height: 1.7;
}

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

a:hover {
  color: var(--primary-dark);
}

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

/* ============================================
   HEADER
============================================ */
.main-header {
  background: var(--bg-white);
  border-bottom: 1px solid #e8ecf0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(13, 71, 161, 0.04);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand-name {
  font-family: 'Source Serif 4', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

/* ============================================
   NAVIGATION
============================================ */
.nav-list {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.nav-list li a {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-list li a:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

.nav-list li a.active {
  background: var(--primary);
  color: white;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2.5px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

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

/* ============================================
   SUB-NAVIGATION
============================================ */
.sub-nav-wrapper {
  background: var(--bg-gray);
  border-bottom: 1px solid #e8ecf0;
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 50px;
}

.sub-nav-scroll {
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  gap: 4px;
  padding: 10px 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.sub-nav-scroll::-webkit-scrollbar {
  display: none;
}

.sub-nav-scroll a {
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 20px;
  white-space: nowrap;
  transition: var(--transition);
  flex-shrink: 0;
}

.sub-nav-scroll a:hover {
  background: white;
  color: var(--primary);
}

.sub-nav-scroll a.active {
  background: var(--primary);
  color: white;
}

.scroll-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid #ddd;
  background: white;
  color: var(--text-dark);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.scroll-btn:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.scroll-left { left: 8px; }
.scroll-right { right: 8px; }

/* ============================================
   PAGE HERO
============================================ */
.page-hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 20px;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1 {
  font-family: 'Source Serif 4', serif;
  font-size: 38px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero-content p {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================
   FAQ SECTION
============================================ */
.faq-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #e8ecf0;
  border-radius: var(--border-radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  cursor: pointer;
  background: var(--bg-white);
  transition: var(--transition);
  user-select: none;
}

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

.faq-question h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  flex: 1;
}

.faq-icon {
  font-size: 24px;
  font-weight: 300;
  color: var(--primary);
  transition: var(--transition);
  margin-left: 16px;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
  background: var(--bg-gray);
}

.faq-item.active .faq-answer {
  max-height: 800px;
  padding: 20px 24px;
}

.faq-answer p {
  color: var(--text-muted);
  margin-bottom: 12px;
}

.faq-answer ul {
  padding-left: 24px;
  margin-bottom: 12px;
}

.faq-answer ul li {
  color: var(--text-muted);
  margin-bottom: 6px;
}

.faq-answer ul li strong {
  color: var(--text-dark);
}

/* ============================================
   FOOTER
============================================ */
.main-footer {
  background: var(--bg-gray);
  border-top: 1px solid #e8ecf0;
  margin-top: 20px;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 24px;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 28px;
  margin-bottom: 20px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.footer-links a.active {
  color: var(--primary);
  font-weight: 600;
}

.footer-copyright {
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 992px) {
  .hero-content h1 {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  
  .main-nav.open {
    max-height: 500px;
    overflow-y: auto;
  }
  
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px;
    gap: 0;
  }
  
  .nav-list li a {
    padding: 12px 16px;
    border-radius: 0;
    border-bottom: 1px solid #f0f0f0;
  }
  
  .nav-list li:last-child a {
    border-bottom: none;
  }
  
  .hero-content h1 {
    font-size: 24px;
  }
  
  .hero-content p {
    font-size: 15px;
  }
  
  .sub-nav-wrapper {
    padding: 0 38px;
  }
  
  .scroll-btn {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }
  
  .faq-question {
    padding: 14px 18px;
  }
  
  .faq-question h3 {
    font-size: 15px;
  }
  
  .faq-item.active .faq-answer {
    padding: 16px 18px;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 10px 16px;
  }
  
  .brand-name {
    font-size: 20px;
  }
  
  .brand-logo {
    width: 32px;
    height: 32px;
  }
  
  .page-hero {
    padding: 24px 16px 12px;
  }
  
  .hero-content h1 {
    font-size: 20px;
  }
  
  .faq-section {
    padding: 12px 16px 40px;
  }
  
  .faq-container {
    padding: 0;
  }
  
  .faq-question {
    padding: 12px 14px;
  }
  
  .faq-question h3 {
    font-size: 14px;
  }
  
  .faq-icon {
    font-size: 20px;
  }
  
  .faq-item.active .faq-answer {
    padding: 12px 14px;
  }
  
  .faq-answer {
    font-size: 14px;
  }
  
  .footer-links {
    gap: 10px 16px;
  }
  
  .footer-links a {
    font-size: 12px;
  }
  /* ============================================
   ABOUT PAGE SPECIFIC STYLES
============================================ */
.about-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.about-container {
  max-width: 900px;
  margin: 0 auto;
}

.about-block {
  margin-bottom: 48px;
}

.about-block h2 {
  font-family: 'Source Serif 4', serif;
  font-size: 28px;
  color: var(--primary-dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--primary-bg);
}

.about-block p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 12px;
}

/* About Grid Cards */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.about-card {
  background: var(--bg-white);
  border: 1px solid #e8ecf0;
  border-radius: var(--border-radius);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}

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

.about-icon {
  font-size: 36px;
  margin-bottom: 10px;
}

.about-card h3 {
  font-size: 17px;
  color: var(--primary);
  margin-bottom: 8px;
}

.about-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

/* Features List */
.features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 32px;
  margin-top: 16px;
}

.feature-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.feature-icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item h4 {
  font-size: 15px;
  color: var(--text-dark);
  margin-bottom: 2px;
}

.feature-item p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.value-item {
  background: var(--bg-gray);
  border-radius: var(--border-radius);
  padding: 24px 20px;
  border: 1px solid #e8ecf0;
  transition: var(--transition);
}

.value-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}

.value-number {
  font-family: 'Source Serif 4', serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-bg);
  margin-bottom: 8px;
}

.value-item h3 {
  font-size: 17px;
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.value-item p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

/* About CTA */
.about-cta {
  background: var(--primary);
  border-radius: var(--border-radius);
  padding: 40px 48px;
  text-align: center;
  color: white;
  margin-top: 20px;
}

.about-cta h2 {
  font-family: 'Source Serif 4', serif;
  font-size: 28px;
  color: white;
  margin-bottom: 12px;
}

.about-cta p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto 20px;
}

.about-cta .btn-primary {
  display: inline-block;
  padding: 12px 32px;
  background: white;
  color: var(--primary);
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.about-cta .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ============================================
   ABOUT RESPONSIVE
============================================ */
@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .features-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .values-grid {
    grid-template-columns: 1fr;
  }
  
  .about-block h2 {
    font-size: 22px;
  }
  
  .about-cta {
    padding: 28px 20px;
  }
  
  .about-cta h2 {
    font-size: 22px;
  }
}

@media (max-width: 480px) {
  .about-section {
    padding: 12px 16px 40px;
  }
  
  .about-block {
    margin-bottom: 32px;
  }
  
  .about-block h2 {
    font-size: 20px;
  }
  
  .about-card {
    padding: 18px 16px;
  }
  
  .value-item {
    padding: 18px 16px;
  }
  
  .about-cta {
    padding: 24px 16px;
  }
  
  .about-cta h2 {
    font-size: 20px;
  }
  
  .about-cta .btn-primary {
    padding: 10px 24px;
    font-size: 14px;
  }
  
/* ============================================
   CONTACT PAGE SPECIFIC STYLES
============================================ */
.contact-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.contact-container {
  max-width: 900px;
  margin: 0 auto;
}

/* Contact Info Cards */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.contact-info-card {
  background: var(--bg-white);
  border: 1px solid #e8ecf0;
  border-radius: var(--border-radius);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}

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

.contact-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.contact-info-card h3 {
  font-size: 15px;
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.contact-info-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

.contact-info-card a {
  color: var(--primary);
  font-weight: 500;
  transition: var(--transition);
}

.contact-info-card a:hover {
  color: var(--primary-dark);
}

.contact-desc {
  font-size: 13px !important;
  color: var(--text-muted);
  margin-top: 4px !important;
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-white);
  border: 1px solid #e8ecf0;
  border-radius: var(--border-radius);
  padding: 40px 48px;
}

.contact-form-wrapper h2 {
  font-family: 'Source Serif 4', serif;
  font-size: 26px;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.contact-form-wrapper > p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 24px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid #dde1e6;
  border-radius: 8px;
  font-size: 15px;
  font-family: 'Inter', sans-serif;
  background: var(--bg-white);
  transition: var(--transition);
  color: var(--text-dark);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  padding: 14px 32px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
  margin-top: 4px;
  align-self: flex-start;
}

.btn-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Form Success */
.form-success {
  text-align: center;
  padding: 40px 20px;
  display: none;
}

.form-success.active {
  display: block;
}

.success-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.form-success h3 {
  font-size: 22px;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.form-success p {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 500px;
  margin: 0 auto;
}

/* ============================================
   CONTACT RESPONSIVE
============================================ */
@media (max-width: 992px) {
  .contact-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-form-wrapper {
    padding: 32px 28px;
  }
}

@media (max-width: 768px) {
  .contact-info-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .contact-form-wrapper {
    padding: 24px 20px;
  }
  
  .contact-form-wrapper h2 {
    font-size: 22px;
  }
  
  .btn-submit {
    align-self: stretch;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .contact-section {
    padding: 12px 16px 40px;
  }
  
  .contact-info-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 32px;
  }
  
  .contact-info-card {
    padding: 18px 16px;
  }
  
  .contact-form-wrapper {
    padding: 20px 16px;
  }
  
  .contact-form-wrapper h2 {
    font-size: 20px;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 10px 14px;
    font-size: 14px;
  }
  
  .btn-submit {
    padding: 12px 24px;
    font-size: 15px;
  }
  
  .form-success h3 {
    font-size: 20px;
  }
  
  /* ============================================
   LEGAL PAGES SPECIFIC STYLES
   For: Terms, Policy, Methodology
============================================ */
.legal-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.legal-container {
  max-width: 850px;
  margin: 0 auto;
}

.legal-meta {
  background: var(--bg-gray);
  border-radius: var(--border-radius);
  padding: 12px 20px;
  margin-bottom: 32px;
  border: 1px solid #e8ecf0;
}

.legal-meta p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

.legal-block {
  margin-bottom: 32px;
}

.legal-block h2 {
  font-family: 'Source Serif 4', serif;
  font-size: 22px;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.legal-block p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 10px;
}

.legal-block ul {
  padding-left: 24px;
  margin: 8px 0 12px 0;
}

.legal-block ul li {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 4px;
}

.legal-block ul li strong {
  color: var(--text-dark);
}

.legal-block a {
  color: var(--primary);
  font-weight: 500;
  transition: var(--transition);
}

.legal-block a:hover {
  color: var(--primary-dark);
}

.legal-nav {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #e8ecf0;
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.legal-nav a {
  color: var(--primary);
  font-weight: 500;
  transition: var(--transition);
}

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

/* ============================================
   LEGAL PAGES RESPONSIVE
============================================ */
@media (max-width: 768px) {
  .legal-section {
    padding: 12px 16px 40px;
  }
  
  .legal-block h2 {
    font-size: 20px;
  }
  
  .legal-block p {
    font-size: 15px;
  }
  
  .legal-block ul li {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .legal-section {
    padding: 12px 16px 32px;
  }
  
  .legal-block {
    margin-bottom: 24px;
  }
  
  .legal-block h2 {
    font-size: 18px;
  }
  
  .legal-block p {
    font-size: 14px;
  }
  
  .legal-block ul li {
    font-size: 13px;
  }
  
  .legal-nav {
    gap: 16px;
    flex-direction: column;
    align-items: center;
  }
  
  /* ============================================
   METHODOLOGY PAGE SPECIFIC STYLES
============================================ */
.methodology-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.methodology-container {
  max-width: 950px;
  margin: 0 auto;
}

.methodology-intro {
  background: var(--primary-bg);
  border-radius: var(--border-radius);
  padding: 24px 32px;
  margin-bottom: 40px;
  border-left: 4px solid var(--primary);
}

.methodology-intro p {
  font-size: 17px;
  color: var(--text-dark);
  line-height: 1.8;
  margin: 0;
}

/* Methodology Grid */
.methodology-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.methodology-card {
  background: var(--bg-white);
  border: 1px solid #e8ecf0;
  border-radius: var(--border-radius);
  padding: 28px 24px;
  transition: var(--transition);
}

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

.metric-icon {
  font-size: 36px;
  margin-bottom: 8px;
}

.methodology-card h3 {
  font-size: 18px;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.metric-weight {
  display: inline-block;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 12px;
  border-radius: 12px;
  margin-bottom: 12px;
}

.methodology-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 10px;
}

.methodology-card ul {
  padding-left: 20px;
  margin: 0;
}

.methodology-card ul li {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 2px;
}

/* Methodology Block */
.methodology-block {
  margin-bottom: 40px;
}

.methodology-block h2 {
  font-family: 'Source Serif 4', serif;
  font-size: 24px;
  color: var(--primary-dark);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-bg);
}

.methodology-block p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.methodology-block ul {
  padding-left: 24px;
  margin: 8px 0 12px 0;
}

.methodology-block ul li {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 4px;
}

.methodology-block ul li strong {
  color: var(--text-dark);
}

/* Data Sources Grid */
.data-sources-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.source-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 20px;
  background: var(--bg-gray);
  border-radius: var(--border-radius);
  border: 1px solid #e8ecf0;
  transition: var(--transition);
}

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

.source-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.source-item h4 {
  font-size: 15px;
  color: var(--text-dark);
  margin-bottom: 2px;
}

.source-item p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

/* Process Steps */
.process-steps {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  background: var(--bg-gray);
  border-radius: var(--border-radius);
  border: 1px solid #e8ecf0;
  transition: var(--transition);
}

.step:hover {
  border-color: var(--primary-light);
}

.step-number {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 14px;
  color: var(--text-dark);
  margin-bottom: 2px;
}

.step-content p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

/* Methodology CTA */
.methodology-cta {
  background: var(--primary);
  border-radius: var(--border-radius);
  padding: 40px 48px;
  text-align: center;
  color: white;
  margin-top: 20px;
}

.methodology-cta h2 {
  font-family: 'Source Serif 4', serif;
  font-size: 26px;
  color: white;
  margin-bottom: 12px;
}

.methodology-cta p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto 20px;
}

.methodology-cta .btn-primary {
  display: inline-block;
  padding: 12px 32px;
  background: white;
  color: var(--primary);
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.methodology-cta .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ============================================
   METHODOLOGY RESPONSIVE
============================================ */
@media (max-width: 992px) {
  .methodology-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .methodology-section {
    padding: 12px 16px 40px;
  }
  
  .methodology-intro {
    padding: 18px 20px;
  }
  
  .methodology-intro p {
    font-size: 15px;
  }
  
  .methodology-block h2 {
    font-size: 20px;
  }
  
  .data-sources-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .methodology-cta {
    padding: 28px 20px;
  }
  
  .methodology-cta h2 {
    font-size: 22px;
  }
}

@media (max-width: 480px) {
  .methodology-section {
    padding: 12px 16px 32px;
  }
  
  .methodology-card {
    padding: 20px 16px;
  }
  
  .methodology-block h2 {
    font-size: 18px;
  }
  
  .methodology-block p {
    font-size: 14px;
  }
  
  .methodology-block ul li {
    font-size: 13px;
  }
  
  .source-item {
    padding: 12px 16px;
  }
  
  .step {
    padding: 12px 14px;
  }
  
  .methodology-cta {
    padding: 24px 16px;
  }
  
  .methodology-cta h2 {
    font-size: 20px;
  }
  
  .methodology-cta .btn-primary {
    padding: 10px 24px;
    font-size: 14px;
  }
}

/* ============================================
   FIX: HEADER NAVIGATION ALIGNMENT & SCROLL
============================================ */
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-right: 24px;
}

.main-nav {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
  scrollbar-width: thin;
}

.main-nav::-webkit-scrollbar {
  height: 4px;
}

.main-nav::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 4px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.nav-list li a {
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--text-dark);
  border-radius: 6px;
  transition: var(--transition);
}

.nav-list li a:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

.nav-list li a.active {
  background: var(--primary);
  color: white;
  padding: 4px 10px;
  font-size: 13px;
  border-radius: 6px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2.5px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

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

@media (min-width: 769px) {
  .header-container {
    flex-wrap: nowrap;
  }
  
  .main-nav {
    flex: 0 1 auto;
  }
}

@media (max-width: 768px) {
  .brand {
    margin-right: 0;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    overflow-y: auto;
    flex: none;
    width: 100%;
  }
  
  .main-nav.open {
    max-height: 500px;
  }
  
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px;
    gap: 0;
    flex-wrap: wrap;
  }
  
  .nav-list li a {
    padding: 12px 16px;
    font-size: 14px;
    border-radius: 0;
    border-bottom: 1px solid #f0f0f0;
    white-space: normal;
  }
  
  .nav-list li a.active {
    padding: 8px 12px;
    border-radius: 0;
  }
  
  .nav-list li:last-child a {
    border-bottom: none;
  }
}

/* ============================================
   SOCIAL LINKS
============================================ */
.footer-social {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;  
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-gray);
  color: var(--text-muted);
  transition: var(--transition);
}

.social-link:hover {
  transform: translateY(-3px);
}

.social-link:hover .social-x {
  color: #000000;
}

.social-link:hover .social-linkedin {
  color: #0A66C2;
}

.social-link:hover .social-facebook {
  color: #1877F2;
}