@import url('https://fonts.googleapis.com/css2?family=Cabin:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --bg-primary: #fcfcf9;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f4f4f0;
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --accent-teal: #0d9488;
  --accent-teal-dark: #0f766e;
  --accent-coral: #f43f5e;
  --accent-coral-dark: #e11d48;
  --accent-green: #16a34a;
  --accent-yellow: #ca8a04;
  --border-color: #e5e7eb;
  --card-shadow: 0 4px 20px rgba(13, 148, 136, 0.04);
  --card-shadow-hover: 0 10px 30px rgba(13, 148, 136, 0.08);
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Cabin', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: #111827;
  line-height: 1.2;
}

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

/* Layout Container */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Floating Navigation Header */
header {
  position: sticky;
  top: 1rem;
  z-index: 100;
  margin-top: 1rem;
  transition: var(--transition);
}

.header-container {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(13, 148, 136, 0.08);
  border-radius: 100px;
  padding: 0.75rem 2rem;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--accent-teal-dark);
}

.logo span {
  color: var(--accent-coral);
}

.logo-icon {
  width: 30px;
  height: 30px;
  background: var(--accent-teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: #ffffff;
  font-size: 0.95rem;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

nav a {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
}

nav a:hover, nav a.active {
  color: var(--accent-teal);
  background: rgba(13, 148, 136, 0.05);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--accent-teal-dark);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Friendly Hero */
.hero {
  padding: 5rem 0 3.5rem;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(244, 63, 94, 0.05) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-text {
  text-align: left;
}

.hero-tag {
  display: inline-block;
  padding: 0.35rem 1.25rem;
  border-radius: 100px;
  background: rgba(244, 63, 94, 0.06);
  color: var(--accent-coral-dark);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(244, 63, 94, 0.1);
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 1.25rem;
  color: #111827;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 2rem;
}

.hero-text p {
  margin-left: 0;
  margin-right: 0;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-wrap {
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(13, 148, 136, 0.1);
  box-shadow: 0 10px 30px rgba(13, 148, 136, 0.06);
  position: relative;
  background: #ffffff;
}

.hero-image-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

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

.hero-image-bg-effect {
  position: absolute;
  top: -10%;
  left: -10%;
  right: -10%;
  bottom: -10%;
  background: radial-gradient(circle, rgba(244, 63, 94, 0.04) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

@media (max-width: 992px) {
  .hero-buttons {
    justify-content: center;
  }
}

/* Premium Rounded Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent-teal);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.2);
}

.btn-primary:hover {
  background: var(--accent-teal-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.3);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  transform: translateY(-2px);
}

/* Card layout rules */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid rgba(13, 148, 136, 0.05);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(13, 148, 136, 0.15);
}

.card-icon {
  width: 52px;
  height: 52px;
  background: rgba(13, 148, 136, 0.05);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-teal);
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: #111827;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.98rem;
}

/* Interactive Checker & Calculator Styles */
.checker-section {
  padding: 4rem 0;
  background: var(--bg-tertiary);
  border-radius: 24px;
  margin: 2rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
}

.checker-container {
  max-width: 700px;
  margin: 0 auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.02);
}

.tab-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
}

.tab-btn.active {
  color: var(--accent-teal);
  border-bottom-color: var(--accent-teal);
}

.checker-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.result-card {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  display: none;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-compatible {
  background: rgba(22, 163, 74, 0.05);
  border-color: rgba(22, 163, 74, 0.2);
  color: var(--accent-green);
}

.result-incompatible {
  background: rgba(244, 63, 94, 0.05);
  border-color: rgba(244, 63, 94, 0.2);
  color: var(--accent-coral-dark);
}

/* Slider and estimation widgets */
.slider-group {
  margin: 1.5rem 0;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.roaming-savings-box {
  background: rgba(13, 148, 136, 0.04);
  border: 1px dashed var(--accent-teal);
  padding: 1.25rem;
  border-radius: 10px;
  text-align: center;
  margin-top: 1.5rem;
}

.savings-amount {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--accent-teal-dark);
}

/* Beautiful Travel Lists and Tables */
.travel-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 750px;
}

.travel-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  background: var(--bg-secondary);
}

.travel-table th {
  background: var(--bg-tertiary);
  padding: 1.25rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
  text-align: left;
}

.travel-table td {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.98rem;
  color: var(--text-secondary);
}

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

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 700;
}

.badge-teal { background: rgba(13, 148, 136, 0.08); color: var(--accent-teal-dark); }
.badge-coral { background: rgba(244, 63, 94, 0.08); color: var(--accent-coral-dark); }
.badge-yellow { background: rgba(202, 138, 4, 0.08); color: var(--accent-yellow); }

/* Blog elements */
.blog-card {
  display: flex;
  flex-direction: column;
}

.blog-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.blog-card h3 a:hover {
  color: var(--accent-teal);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-teal);
  margin-top: auto;
}

.read-more:hover {
  gap: 0.6rem;
}

/* Detailed Article View */
.article-header {
  padding: 5rem 0 3rem;
  text-align: center;
  max-width: 850px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border-color);
}

.article-header h1 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.article-body {
  max-width: 740px;
  margin: 3rem auto;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.article-body p {
  margin-bottom: 1.5rem;
}

.article-body h2 {
  font-size: 1.65rem;
  margin: 2.25rem 0 1rem;
}

.article-body h3 {
  font-size: 1.35rem;
  margin: 1.75rem 0 0.75rem;
}

.article-body blockquote {
  border-left: 4px solid var(--accent-coral);
  padding: 0.5rem 1.5rem;
  background: var(--bg-tertiary);
  border-radius: 8px;
  margin: 1.75rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

/* Contact layout rules */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  margin: 4rem 0;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.info-item {
  display: flex;
  gap: 1rem;
}

.info-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-teal);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.info-details h4 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.info-details p {
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.98rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.08);
}

.form-feedback {
  font-size: 0.85rem;
  margin-top: 0.35rem;
  display: none;
}

.form-feedback.success { color: var(--accent-green); }
.form-feedback.error { color: var(--accent-coral-dark); }

/* Cookie Consent Banner */
.cookie-banner {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  max-width: 420px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
  z-index: 1000;
  display: none;
  animation: slideLeft 0.4s ease-out forwards;
}

@keyframes slideLeft {
  from { transform: translateX(100px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.cookie-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--accent-teal-dark);
}

.cookie-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.cookie-text a {
  color: var(--accent-teal);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
}

.cookie-btn {
  flex: 1;
  padding: 0.55rem;
  border-radius: 100px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  border: none;
  text-align: center;
  transition: var(--transition);
}

.cookie-btn-accept {
  background: var(--accent-teal);
  color: #ffffff;
}

.cookie-btn-accept:hover {
  background: var(--accent-teal-dark);
}

.cookie-btn-decline {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.cookie-btn-decline:hover {
  background: var(--border-color);
}

/* Legal Page Content Layout */
.legal-content {
  padding: 5rem 0;
  max-width: 760px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.legal-date {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.legal-text h2 {
  font-size: 1.5rem;
  margin: 2rem 0 0.85rem;
}

.legal-text p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.legal-text ul {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

.legal-text li {
  margin-bottom: 0.4rem;
}

/* Footer styling */
footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 1rem;
  max-width: 260px;
}

.footer-links-col h4 {
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1.25rem;
  color: #111827;
}

.footer-links-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links-col a {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.footer-links-col a:hover {
  color: var(--accent-teal);
  padding-left: 3px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive Overrides */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 2.5rem; }
  .hero-text { text-align: center; }
  .hero h1 { font-size: 2.5rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  header { top: 0; margin-top: 0; }
  .header-container { border-radius: 0; border: none; border-bottom: 1px solid var(--border-color); padding: 0.75rem 1rem; }
  .hero { padding: 3.5rem 0 2.5rem; }
  .hero h1 { font-size: 2rem; }
  nav { display: none; }
  .menu-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

/* FAQ Accordion Styling */
.faq-section {
  padding: 5rem 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  position: relative;
}

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

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(13, 148, 136, 0.25);
  box-shadow: var(--card-shadow-hover);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--accent-teal);
  transition: transform 0.3s ease;
  font-family: var(--font-body);
}

.faq-item.active {
  border-color: var(--accent-teal);
  box-shadow: var(--card-shadow-hover);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
  color: var(--accent-coral);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
  padding: 0 1.5rem;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: 1.5rem;
}

/* Enhanced Article Navigation */
.article-nav-section-title {
  margin: 5rem auto 2.5rem;
  text-align: center;
  position: relative;
  max-width: 780px;
}

.article-nav-section-title::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  z-index: 1;
}

.article-nav-section-title span {
  position: relative;
  background: var(--bg-primary);
  padding: 0 1.5rem;
  color: var(--accent-teal);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  z-index: 2;
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 860px;
  margin: 0 auto 4rem;
}

.article-nav-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.article-nav-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-teal), var(--accent-coral));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.article-nav-card.next::after {
  transform-origin: right;
  background: linear-gradient(90deg, var(--accent-coral), var(--accent-teal));
}

.article-nav-card:hover::after {
  transform: scaleX(1);
}

.article-nav-card.prev {
  text-align: left;
}

.article-nav-card.next {
  text-align: right;
  justify-content: flex-end;
}

.article-nav-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(13, 148, 136, 0.15);
}

.article-nav-card.next:hover {
  border-color: rgba(244, 63, 94, 0.15);
}

.card-arrow-wrap {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
  flex-shrink: 0;
}

.article-nav-card:hover .card-arrow-wrap {
  background: rgba(13, 148, 136, 0.08);
  border-color: var(--accent-teal);
  color: var(--accent-teal-dark);
}

.article-nav-card.next:hover .card-arrow-wrap {
  background: rgba(244, 63, 94, 0.08);
  border-color: var(--accent-coral);
  color: var(--accent-coral-dark);
}

.nav-arrow {
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  stroke: currentColor;
}

.article-nav-card.prev:hover .nav-arrow {
  transform: translateX(-4px);
}

.article-nav-card.next:hover .nav-arrow {
  transform: translateX(4px);
}

.card-content-wrap {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-nav-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.article-nav-card:hover .article-nav-label {
  color: var(--accent-teal-dark);
}

.article-nav-card.next:hover .article-nav-label {
  color: var(--accent-coral-dark);
}

.article-nav-title {
  font-size: 1.05rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 0.5rem;
  transition: var(--transition);
}

.article-nav-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.article-nav-card.next .article-nav-meta {
  justify-content: flex-end;
}

.meta-tag {
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  font-weight: 600;
}

@media (max-width: 768px) {
  .article-nav {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .article-nav-card.next {
    flex-direction: row;
    text-align: left;
    justify-content: flex-start;
  }
  .article-nav-card.next .article-nav-meta {
    justify-content: flex-start;
  }
}