/* ==========================================
   EDGE-X Dark Cyber Design System & Stylesheet
   ========================================== */

:root {
  --bg-dark: #07090e;
  --bg-card: rgba(15, 22, 36, 0.75);
  --bg-card-hover: rgba(22, 32, 54, 0.85);
  --bg-header: rgba(7, 9, 14, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.3);
  
  --primary: #00f2fe;
  --secondary: #4facfe;
  --accent-purple: #7f53ac;
  --accent-pink: #ff007f;
  --success: #00f5d4;
  --warning: #ffb703;
  --danger: #ff4d6d;
  
  --text-main: #f0f4f8;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* Canvas Background */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* Background Gradients */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.25;
}
.glow-orb-1 {
  top: -10%;
  left: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary), transparent);
}
.glow-orb-2 {
  top: 40%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-purple), transparent);
}
.glow-orb-3 {
  bottom: 10%;
  left: 20%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--secondary), transparent);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}

.logo-badge {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.6rem;
  font-weight: 900;
}

.logo-tag {
  background: rgba(0, 242, 254, 0.1);
  color: var(--primary);
  border: 1px solid rgba(0, 242, 254, 0.3);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

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

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 50%, #7f53ac 100%);
  color: #07090e;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 26px;
  border-radius: 30px;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 242, 254, 0.6);
  filter: brightness(1.1);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 26px;
  border-radius: 30px;
  text-decoration: none;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* Sections General */
.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-title-wrap {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  background: rgba(0, 242, 254, 0.08);
  padding: 4px 14px;
  border-radius: 20px;
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-title span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Hero Section */
.hero {
  padding-top: 180px;
  padding-bottom: 100px;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(18, 24, 38, 0.8);
  border: 1px solid var(--border-glow);
  padding: 8px 20px;
  border-radius: 30px;
  margin-bottom: 28px;
  font-size: 0.9rem;
  color: var(--text-main);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.hero-pill .dot {
  width: 8px;
  height: 8px;
  background-color: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--success);
  animation: pulse 2s infinite;
}

.hero-h1 {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-h1 .gradient-text {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 40%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 60px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 950px;
  margin: 0 auto;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  padding: 24px 16px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Feature Cards Grid (核心优势) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 242, 254, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
  color: var(--primary);
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Node Latency & Status Monitor (节点延迟和状态) */
.node-status-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.status-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.status-title-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 245, 212, 0.12);
  color: var(--success);
  border: 1px solid rgba(0, 245, 212, 0.3);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.node-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.node-table th {
  text-align: left;
  padding: 14px 18px;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border-color);
}

.node-table td {
  padding: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.95rem;
  vertical-align: middle;
}

.node-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.flag-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  vertical-align: middle;
  margin-right: 10px;
  display: inline-block;
  background: #1a2332;
  text-align: center;
  line-height: 24px;
  font-size: 0.85rem;
}

.node-name {
  font-weight: 600;
  color: #fff;
}

.node-type {
  background: rgba(255, 255, 255, 0.06);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.ping-bar-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ping-val {
  font-family: monospace;
  font-weight: 700;
  width: 50px;
}

.ping-val.fast { color: var(--success); }
.ping-val.medium { color: var(--warning); }

.ping-progress {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.ping-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s ease;
}

.ping-fill.fast { background: linear-gradient(90deg, var(--success), #00b4d8); }
.ping-fill.medium { background: linear-gradient(90deg, var(--warning), #f77f00); }

/* Pricing Table & Cards (套餐价格板块) */
.pricing-image-table-container {
  margin-bottom: 50px;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.pricing-table-title-bar {
  background: rgba(0, 242, 254, 0.06);
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  font-weight: 700;
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 1rem;
}

.spec-table td {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 0.98rem;
  vertical-align: middle;
}

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

.spec-table tr:hover td {
  background: rgba(0, 242, 254, 0.02);
}

.tier-name {
  font-weight: 700;
  color: #fff;
  font-size: 1.05rem;
}

.tier-price {
  font-weight: 800;
  color: var(--primary);
  font-size: 1.15rem;
}

.table-buy-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 8px;
  background: rgba(79, 172, 254, 0.1);
  border: 1px solid rgba(79, 172, 254, 0.25);
  transition: var(--transition);
}

.table-buy-link:hover {
  background: rgba(79, 172, 254, 0.25);
  border-color: var(--secondary);
  color: #fff;
  transform: translateX(3px);
}

/* Pricing Grid Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
  backdrop-filter: blur(16px);
}

.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: 0 0 35px rgba(0, 242, 254, 0.2);
  transform: translateY(-8px);
  background: linear-gradient(180deg, rgba(22, 34, 56, 0.9) 0%, rgba(15, 22, 36, 0.9) 100%);
}

.popular-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #07090e;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 4px 14px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.card-plan-header {
  margin-bottom: 24px;
}

.plan-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.plan-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.plan-price-wrap {
  margin: 20px 0 28px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.plan-price-amount {
  font-size: 2.8rem;
  font-weight: 900;
  color: #fff;
}

.plan-price-period {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.92rem;
  color: var(--text-main);
}

.plan-features li .check {
  color: var(--success);
  font-weight: 900;
}

/* User Reviews Section (用户评价) */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
}

.stars {
  color: #ffb703;
  margin-bottom: 16px;
  font-size: 1rem;
  letter-spacing: 2px;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.reviewer-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.reviewer-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #07090e;
  font-size: 1.1rem;
}

.reviewer-name {
  font-size: 0.98rem;
  font-weight: 700;
  color: #fff;
}

.reviewer-role {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* FAQ Accordion Section (常见问题) */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

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

.faq-question {
  width: 100%;
  padding: 22px 28px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  outline: none;
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: transform 0.3s ease;
  font-size: 1.3rem;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 28px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding-bottom: 24px;
}

/* Knowledge Base & Tutorials Section (知识库与教程) */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}

.article-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 242, 254, 0.15);
}

.article-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(0, 242, 254, 0.1);
  padding: 4px 10px;
  border-radius: 12px;
  display: inline-block;
  margin-bottom: 14px;
  align-self: flex-start;
}

.article-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 12px;

  /* Multi-line truncation */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-excerpt {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;

  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 12px;
}

.read-more-link {
  color: var(--secondary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Article Page Layout (知识库文章详情页样式) */
.article-page {
  padding-top: 130px;
  padding-bottom: 100px;
}

.article-wrapper {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
}

.article-content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 44px;
  backdrop-filter: blur(16px);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}
.breadcrumb a:hover {
  color: var(--primary);
}

.article-h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--text-dim);
  padding-bottom: 24px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
}

.article-body {
  color: #d1d5db;
  font-size: 1.05rem;
  line-height: 1.8;
}

.article-body h2 {
  font-size: 1.5rem;
  color: #fff;
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.article-body h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin: 24px 0 12px;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin: 0 0 24px 24px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body code {
  background: rgba(0, 242, 254, 0.1);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.9rem;
}

.article-body pre {
  background: #0d121d;
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 24px;
}

.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: rgba(0, 242, 254, 0.05);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 24px;
  color: var(--text-main);
  font-style: italic;
}

.article-cta-box {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(127, 83, 172, 0.15));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
  margin: 40px 0;
}

.article-cta-box h3 {
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(16px);
}

.widget-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.widget-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.5;
  transition: var(--transition);
  display: block;
}

.widget-links a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

/* Footer */
.footer {
  background: #040609;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 340px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Keyframes */
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
  100% { transform: scale(1); opacity: 1; }
}

/* Responsive Breakdown */
@media (max-width: 1024px) {
  .features-grid, .pricing-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-h1 {
    font-size: 2.8rem;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* simple mobile nav fallback */
  }
  .features-grid, .pricing-grid, .reviews-grid, .articles-grid {
    grid-template-columns: 1fr;
  }
  .hero-h1 {
    font-size: 2.2rem;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .pricing-image-table-container {
    overflow-x: auto;
  }
  .spec-table {
    min-width: 600px;
  }
}