@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* CSS Variables for Premium Dark Theme */
:root {
  --bg-main: #070913;
  --bg-card: rgba(15, 22, 42, 0.65);
  --bg-card-hover: rgba(23, 33, 62, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(99, 102, 241, 0.4);
  
  /* Primary HSL Tailored Colors */
  --primary: hsl(243, 80%, 62%);       /* Indigo */
  --primary-glow: rgba(99, 102, 241, 0.15);
  --secondary: hsl(188, 86%, 53%);     /* Neon Cyan */
  --secondary-glow: rgba(6, 182, 212, 0.15);
  --accent: hsl(295, 85%, 60%);        /* Neon Purple/Fuchsia */
  
  /* Gradients */
  --grad-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --grad-accent: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  --grad-dark: linear-gradient(180deg, #070913 0%, #0d1226 100%);
  --grad-text: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
  
  /* Typography */
  --font-title: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Shadows & Blur */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  --card-blur: blur(12px);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1200px;
}

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

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

body {
  background: var(--bg-main);
  background-image: var(--grad-dark);
  color: #e2e8f0;
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Interactive Ambient Glows */
body::before, body::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  z-index: -1;
  filter: blur(120px);
  opacity: 0.45;
  pointer-events: none;
}
body::before {
  top: 10%;
  left: 5%;
  background: var(--primary);
  animation: floatGlow 12s infinite alternate ease-in-out;
}
body::after {
  top: 50%;
  right: 5%;
  background: var(--secondary);
  animation: floatGlow 15s infinite alternate-reverse ease-in-out;
}

@keyframes floatGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(50px, 30px) scale(1.2); }
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.25;
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Sections Base */
section {
  padding: 80px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header p {
  color: #94a3b8;
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(7, 9, 19, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

header.scrolled {
  background: rgba(7, 9, 19, 0.9);
  box-shadow: var(--shadow-lg);
  padding: 10px 0;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.95rem;
  font-weight: 800;
  font-family: var(--font-title);
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.5px;
}

.logo svg {
  width: 36px;
  height: 36px;
  fill: url(#logo-grad);
}

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: #cbd5e1;
  position: relative;
}

.nav-links a:hover, .nav-links a.active {
  color: #ffffff;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-primary);
  transition: var(--transition);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 600;
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  font-size: 0.9rem;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.8rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 180px 0 100px 0;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 20px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.2rem;
  color: #94a3b8;
  margin-bottom: 40px;
  max-width: 600px;
}

.cta-group {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 35px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.6), var(--shadow-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border: 1px solid var(--border-color);
  backdrop-filter: var(--card-blur);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 100px;
  color: #a5b4fc;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 25px;
}

.hero-badge span {
  width: 8px;
  height: 8px;
  background: #34d399;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px #34d399;
}

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

.hero-shape {
  width: 400px;
  height: 400px;
  background: var(--grad-primary);
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  filter: blur(40px);
  position: absolute;
  z-index: -1;
  opacity: 0.3;
  animation: morphShape 15s infinite alternate ease-in-out;
}

@keyframes morphShape {
  0% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
  50% { border-radius: 70% 30% 50% 50% / 30% 60% 40% 70%; }
  100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
}

.hero-card {
  background: var(--bg-card);
  backdrop-filter: var(--card-blur);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 30px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.hero-card:hover {
  transform: scale(1.02);
  border-color: var(--border-color-hover);
}

.card-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 25px;
  padding-top: 25px;
  border-top: 1px solid var(--border-color);
}

.stat-item h3 {
  font-size: 1.8rem;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item p {
  font-size: 0.85rem;
  color: #94a3b8;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: var(--card-blur);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 35px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--grad-primary);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  color: #818cf8;
}

.feature-icon svg {
  width: 30px;
  height: 30px;
  stroke: currentColor;
  stroke-width: 1.75;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: #94a3b8;
  font-size: 0.95rem;
}

/* Pricing Section */
.pricing-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.pricing-switch {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 6px;
  border-radius: 100px;
  display: flex;
  gap: 5px;
  backdrop-filter: var(--card-blur);
}

.pricing-switch button {
  background: none;
  border: none;
  color: #94a3b8;
  padding: 10px 24px;
  border-radius: 100px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.pricing-switch button.active {
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 30px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  backdrop-filter: var(--card-blur);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 40px 30px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.popular {
  border-color: rgba(99, 102, 241, 0.5);
  background: rgba(20, 27, 56, 0.7);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
  transform: scale(1.03);
}

.pricing-card.popular::after {
  content: "推荐";
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--grad-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
  transform: translateY(-8px) (popular ? scale(1.03) : scale(1.02));
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
}

.pricing-card h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.pricing-card .price-box {
  margin: 25px 0;
  display: flex;
  align-items: baseline;
}

.pricing-card .currency {
  font-size: 1.5rem;
  font-weight: 700;
}

.pricing-card .price {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  font-family: var(--font-title);
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pricing-card .price-period {
  font-size: 0.9rem;
  color: #94a3b8;
  margin-left: 5px;
}

.pricing-card .features-list {
  list-style: none;
  margin-bottom: 35px;
  flex-grow: 1;
}

.pricing-card .features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  font-size: 0.95rem;
  color: #cbd5e1;
}

.pricing-card .features-list svg {
  width: 20px;
  height: 20px;
  color: #34d399;
  flex-shrink: 0;
}

.pricing-card .pricing-btn {
  width: 100%;
  padding: 14px;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  font-weight: 600;
  transition: var(--transition);
  display: block;
  text-align: center;
}

.pricing-card.popular .pricing-btn {
  background: var(--grad-primary);
  border: none;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.pricing-card.popular .pricing-btn:hover {
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5), var(--shadow-glow);
}

.pricing-card .pricing-btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
}

/* Blog & Articles Section */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

.blog-card {
  background: var(--bg-card);
  backdrop-filter: var(--card-blur);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg);
}

.blog-image {
  height: 200px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);
}

.blog-image svg {
  width: 100%;
  height: 100%;
  opacity: 0.75;
}

.blog-card:hover .blog-image svg {
  transform: scale(1.05);
  transition: var(--transition);
}

.blog-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 50px;
}

.blog-content {
  padding: 25px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-meta {
  display: flex;
  gap: 15px;
  font-size: 0.8rem;
  color: #94a3b8;
  margin-bottom: 15px;
}

.blog-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.blog-meta svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.blog-content h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  line-height: 1.4;
  color: #ffffff;
}

.blog-content p {
  color: #94a3b8;
  font-size: 0.9rem;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-more {
  margin-top: auto;
  font-size: 0.9rem;
  font-weight: 600;
  color: #818cf8;
  display: flex;
  align-items: center;
  gap: 5px;
}

.blog-card:hover .blog-more {
  color: var(--secondary);
}

/* User Reviews Section */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.review-card {
  background: var(--bg-card);
  backdrop-filter: var(--card-blur);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 30px;
  transition: var(--transition);
}

.review-card:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
  transform: translateY(-5px);
}

.review-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 15px;
  color: #fbbf24;
}

.review-stars svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.review-content {
  color: #cbd5e1;
  font-size: 0.95rem;
  margin-bottom: 20px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 15px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.author-info h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.author-info p {
  font-size: 0.8rem;
  color: #94a3b8;
}

/* FAQ Section (Accordion) */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-question {
  width: 100%;
  padding: 22px 30px;
  background: none;
  border: none;
  color: #ffffff;
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  transition: var(--transition);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  color: var(--secondary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
  padding: 0 30px 22px 30px;
  color: #cbd5e1;
  font-size: 0.95rem;
}

/* Footer */
footer {
  background: #04060d;
  border-top: 1px solid var(--border-color);
  padding: 80px 0 30px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 50px;
  margin-bottom: 50px;
}

.footer-info p {
  color: #94a3b8;
  margin: 20px 0;
  font-size: 0.95rem;
}

.footer-socials {
  display: flex;
  gap: 15px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
}

.social-link:hover {
  background: var(--grad-primary);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.footer-links h4 {
  font-size: 1.1rem;
  margin-bottom: 25px;
  position: relative;
}

.footer-links h4::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--grad-primary);
}

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

.footer-links a {
  color: #94a3b8;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  color: #64748b;
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 25px;
}

.footer-bottom-links a:hover {
  color: #cbd5e1;
}

.geo-tag {
  color: #475569;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Article Template Custom Styles */
.article-header {
  padding: 150px 0 60px 0;
  background: linear-gradient(180deg, rgba(13, 18, 38, 0.8) 0%, var(--bg-main) 100%);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.article-meta-large {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  color: #818cf8;
  font-weight: 500;
  font-size: 0.95rem;
}

.article-title-large {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 25px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.article-wrapper {
  display: grid;
  grid-template-columns: 2.2fr 0.8fr;
  gap: 50px;
  padding: 60px 0;
}

.article-body {
  font-size: 1.1rem;
  color: #cbd5e1;
  line-height: 1.8;
}

.article-body p {
  margin-bottom: 25px;
}

.article-body h2 {
  font-size: 1.8rem;
  margin: 40px 0 20px 0;
  position: relative;
  padding-left: 15px;
}

.article-body h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10%;
  height: 80%;
  width: 4px;
  background: var(--grad-primary);
  border-radius: 4px;
}

.article-body h3 {
  font-size: 1.4rem;
  margin: 30px 0 15px 0;
}

.article-body ul, .article-body ol {
  margin-bottom: 25px;
  padding-left: 25px;
}

.article-body li {
  margin-bottom: 10px;
}

.article-body strong {
  color: #ffffff;
}

.article-body a {
  color: #818cf8;
  border-bottom: 1px dotted #818cf8;
}

.article-body a:hover {
  color: var(--secondary);
  border-color: var(--secondary);
}

.article-body blockquote {
  background: rgba(99, 102, 241, 0.05);
  border-left: 4px solid var(--primary);
  padding: 20px 30px;
  border-radius: 0 12px 12px 0;
  margin: 30px 0;
  font-style: italic;
  color: #e2e8f0;
}

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.sidebar-widget {
  background: var(--bg-card);
  backdrop-filter: var(--card-blur);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 30px;
}

.sidebar-widget h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  position: relative;
}

.sidebar-widget h3::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--grad-primary);
}

.sidebar-widget ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.sidebar-widget li a {
  font-size: 0.95rem;
  color: #cbd5e1;
  display: block;
  line-height: 1.4;
}

.sidebar-widget li a:hover {
  color: #ffffff;
  transform: translateX(5px);
}

.sidebar-cta {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(217, 70, 239, 0.25) 100%);
  border-color: rgba(99, 102, 241, 0.4);
  text-align: center;
}

.sidebar-cta p {
  color: #cbd5e1;
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.sidebar-cta .btn {
  width: 100%;
}

/* Mobile Nav Styles & Responsive adjustments */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  .cta-group {
    justify-content: center;
  }
  .hero-visual {
    order: -1;
  }
  .article-wrapper {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  .menu-toggle {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #090e1f;
    flex-direction: column;
    padding: 40px 20px;
    gap: 25px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    opacity: 0;
    transition: all 0.4s ease-in-out;
  }
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .section-header h2 {
    font-size: 2rem;
  }
  .hero-content h1 {
    font-size: 2.8rem;
  }
}