/* ==========================================================================
   白羊星机场 Command Center Theme & Layout Stylesheet
   Color Palette:
   - Primary BG: #101B2E (Midnight Navy)
   - Panel BG:   #273C56 (Slate Command Panel)
   - Text Main:  #ECF1F5 (Ice White)
   - Accent:     #D6A77A (Restrained Copper-Orange)
   - Pricing BG: #F8FAFC (Light Contrast Section)
   ========================================================================== */

:root {
  --bg-dark: #101B2E;
  --bg-dark-alt: #0D1524;
  --panel-bg: #273C56;
  --panel-border: rgba(214, 167, 122, 0.25);
  --panel-border-glow: rgba(214, 167, 122, 0.45);
  --text-main: #ECF1F5;
  --text-muted: #94A3B8;
  --copper-accent: #D6A77A;
  --copper-hover: #E5B88B;
  --copper-light: rgba(214, 167, 122, 0.12);
  --status-green: #10B981;
  --status-blue: #3B82F6;
  
  /* Light Section Tokens (Pricing) */
  --pricing-bg: #F4F7FA;
  --pricing-card-bg: #FFFFFF;
  --pricing-text: #0F172A;
  --pricing-muted: #64748B;
  --pricing-border: #E2E8F0;
  --pricing-accent: #2563EB;
  
  /* Font Families */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

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

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--copper-accent);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover, a:focus-visible {
  color: var(--copper-hover);
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2.375rem; /* ~38px mobile default */
}

@media (min-width: 1024px) {
  h1 {
    font-size: 3.625rem; /* ~58px desktop */
  }
}

h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 1024px) {
  h2 {
    font-size: 2.25rem;
  }
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1rem;
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--copper-accent);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: var(--copper-light);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--copper-accent);
  margin-bottom: 1.25rem;
}

.section-badge::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--copper-accent);
  border-radius: 50%;
}

.section-title-wrap {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3rem auto;
}

.section-title-wrap p {
  color: var(--text-muted);
  font-size: 1.0625rem;
}

/* Commercial Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none !important;
  line-height: 1.25;
}

.btn-primary {
  background: var(--copper-accent);
  color: #101B2E !important;
  border: 1px solid var(--copper-accent);
  box-shadow: 0 4px 14px rgba(214, 167, 122, 0.25);
}

.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--copper-hover);
  border-color: var(--copper-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(214, 167, 122, 0.35);
}

.btn-secondary {
  background: rgba(39, 60, 86, 0.6);
  color: var(--text-main) !important;
  border: 1px solid var(--panel-border);
}

.btn-secondary:hover, .btn-secondary:focus-visible {
  background: var(--panel-bg);
  border-color: var(--copper-accent);
  color: var(--copper-accent) !important;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   Header & Mobile Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(16, 27, 46, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--panel-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #273C56 0%, #101B2E 100%);
  border: 1px solid var(--copper-accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--copper-accent);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
  opacity: 0.85;
}

.nav-link:hover, .nav-link.active {
  opacity: 1;
  color: var(--copper-accent);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text-main);
  width: 42px;
  height: 42px;
  border-radius: 6px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

@media (max-width: 991px) {
  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-dark-alt);
    border-bottom: 1px solid var(--panel-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 1.25rem;
    gap: 1.25rem;
    display: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  }

  .nav-menu.is-active {
    display: flex;
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 0.5rem 0;
    font-size: 1.05rem;
  }

  .header-cta .btn {
    padding: 0.6rem 1.1rem;
    font-size: 0.875rem;
  }
}

/* ==========================================================================
   Hero Section & Network Command Dashboard
   ========================================================================== */
.hero-section {
  padding: 4rem 0 5rem 0;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 70% 30%, rgba(39, 60, 86, 0.4) 0%, rgba(16, 27, 46, 1) 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3.5rem;
  }
}

.hero-content {
  max-width: 620px;
}

.hero-title {
  margin-bottom: 1.25rem;
}

.hero-title .accent-text {
  color: var(--copper-accent);
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-trust-notes {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.trust-item svg {
  width: 16px;
  height: 16px;
  color: var(--copper-accent);
}

/* Hero Right Side Network Command Dashboard */
.dashboard-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1.5rem;
  position: relative;
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 1.25rem;
}

.dashboard-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--copper-accent);
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--status-green);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--status-green);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.dashboard-grid-canvas {
  background: var(--bg-dark-alt);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 1.25rem;
  position: relative;
  background-image: linear-gradient(rgba(214, 167, 122, 0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(214, 167, 122, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

.regions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.region-card {
  background: rgba(39, 60, 86, 0.7);
  border: 1px solid rgba(214, 167, 122, 0.2);
  border-radius: 6px;
  padding: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.region-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.region-name {
  font-weight: 600;
  font-size: 0.9375rem;
}

.region-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--copper-accent);
  background: rgba(214, 167, 122, 0.1);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
}

.region-status-bar {
  height: 4px;
  width: 100%;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}

.region-status-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--copper-accent), var(--status-green));
  width: 100%;
}

.region-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.telemetry-console {
  background: rgba(16, 27, 46, 0.9);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.console-row {
  display: flex;
  justify-content: space-between;
}

.console-active {
  color: var(--copper-accent);
}

/* ==========================================================================
   Advantage Blocks Section
   ========================================================================== */
.section-padding {
  padding: 5rem 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .advantages-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.advantage-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 1.75rem 1.5rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.advantage-card:hover {
  transform: translateY(-3px);
  border-color: var(--panel-border-glow);
}

.adv-icon {
  width: 48px;
  height: 48px;
  background: var(--copper-light);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--copper-accent);
  margin-bottom: 1.25rem;
}

.adv-icon svg {
  width: 24px;
  height: 24px;
}

.advantage-card h3 {
  font-size: 1.1875rem;
  margin-bottom: 0.6rem;
}

.advantage-card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ==========================================================================
   Global Nodes Network Visual Section
   ========================================================================== */
.nodes-section {
  background: var(--bg-dark-alt);
  border-top: 1px solid var(--panel-border);
  border-bottom: 1px solid var(--panel-border);
}

.nodes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .nodes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .nodes-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.node-location-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 1.5rem;
  position: relative;
}

.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.node-flag-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
}

.node-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--status-green);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.node-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.node-list-features {
  list-style: none;
  font-size: 0.8125rem;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.node-list-features li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.node-list-features li::before {
  content: "•";
  color: var(--copper-accent);
}

/* ==========================================================================
   AI & Streaming Scenarios Section
   ========================================================================== */
.scenarios-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.scenario-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 2rem;
}

.scenario-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding-bottom: 1rem;
}

.scenario-icon-main {
  width: 44px;
  height: 44px;
  background: var(--copper-light);
  border: 1px solid var(--copper-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--copper-accent);
}

.scenario-title-box h3 {
  margin-bottom: 0.2rem;
}

.scenario-title-box p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0;
}

.scenario-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.service-pill {
  background: rgba(16, 27, 46, 0.7);
  border: 1px solid rgba(214, 167, 122, 0.25);
  border-radius: 20px;
  padding: 0.4rem 0.9rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-pill .pill-dot {
  width: 6px;
  height: 6px;
  background: var(--copper-accent);
  border-radius: 50%;
}

.scenario-details-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .scenario-details-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.scenario-detail-box {
  background: rgba(16, 27, 46, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 1.25rem;
}

.scenario-detail-box h4 {
  font-size: 0.95rem;
  color: var(--copper-accent);
  margin-bottom: 0.5rem;
}

.scenario-detail-box p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.55;
}

/* ==========================================================================
   Pricing Section (LIGHT BACKGROUND CONTRAST)
   ========================================================================== */
.pricing-section {
  background-color: var(--pricing-bg);
  color: var(--pricing-text);
  padding: 5rem 0;
}

.pricing-section .section-title-wrap h2 {
  color: var(--pricing-text);
}

.pricing-section .section-title-wrap p {
  color: var(--pricing-muted);
}

.pricing-notice {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: #1E40AF;
  margin: 0 auto 2.5rem auto;
  max-width: 800px;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: stretch;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.pricing-card {
  background: var(--pricing-card-bg);
  border: 1px solid var(--pricing-border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
  border: 2px solid var(--copper-accent);
}

.featured-badge {
  position: absolute;
  top: -12px;
  right: 1.5rem;
  background: var(--copper-accent);
  color: #101B2E;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-header {
  margin-bottom: 1.5rem;
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--pricing-text);
  margin-bottom: 0.3rem;
}

.plan-desc {
  font-size: 0.875rem;
  color: var(--pricing-muted);
  min-height: 2.6rem;
}

.plan-placeholder-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: #6B7280;
  background: #F3F4F6;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.plan-price-box {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--pricing-border);
}

.price-text {
  font-size: 2rem;
  font-weight: 800;
  color: var(--pricing-text);
}

.price-unit {
  font-size: 0.875rem;
  color: var(--pricing-muted);
  font-weight: 400;
}

.plan-features {
  list-style: none;
  font-size: 0.90rem;
  color: var(--pricing-text);
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.plan-features li svg {
  width: 16px;
  height: 16px;
  color: #10B981;
  flex-shrink: 0;
}

.btn-pricing-cta {
  background: var(--bg-dark);
  color: var(--text-main) !important;
  border: 1px solid var(--bg-dark);
}

.btn-pricing-cta:hover {
  background: var(--panel-bg);
}

.pricing-card.featured .btn-pricing-cta {
  background: var(--copper-accent);
  color: #101B2E !important;
  border-color: var(--copper-accent);
}

.pricing-card.featured .btn-pricing-cta:hover {
  background: var(--copper-hover);
}

/* ==========================================================================
   Nine Illustrated SEO Articles Section
   Layout requirement: 3 columns desktop, 2 columns tablet, 1 column mobile
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: 1fr; /* 1 column mobile */
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr); /* 2 columns tablet */
  }
}

@media (min-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(3, 1fr); /* 3 columns desktop */
  }
}

.article-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.article-card:hover {
  transform: translateY(-3px);
  border-color: var(--panel-border-glow);
}

.article-card-media {
  height: 160px;
  background: var(--bg-dark-alt);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.article-card-media svg {
  width: 100%;
  height: 100%;
}

.article-category {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(16, 27, 46, 0.85);
  border: 1px solid var(--copper-accent);
  color: var(--copper-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.article-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-card-title {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.article-card-title a {
  color: var(--text-main);
}

.article-card-title a:hover {
  color: var(--copper-accent);
}

.article-card-excerpt {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  line-height: 1.55;
  flex-grow: 1;
}

.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 0.75rem;
}

.read-more-link {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-quote {
  color: var(--text-main);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 40px;
  height: 40px;
  background: var(--copper-light);
  border: 1px solid var(--copper-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--copper-accent);
  font-weight: 700;
  font-size: 0.9rem;
}

.user-info-name {
  font-weight: 600;
  font-size: 0.9375rem;
}

.user-info-role {
  font-size: 0.785rem;
  color: var(--text-muted);
}

.testimonial-disclaimer {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
}

/* ==========================================================================
   FAQ Accordion Section
   ========================================================================== */
.faq-wrap {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  overflow: hidden;
}

.faq-summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--copper-accent);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

details[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 0.5rem;
  padding-top: 1rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--bg-dark-alt);
  border-top: 1px solid var(--panel-border);
  padding: 4rem 0 2rem 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
}

.footer-col-brand .brand-logo {
  margin-bottom: 1rem;
}

.footer-col-brand p {
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.footer-heading {
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-muted);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* External Footer SEO Links (No Nofollow as required) */
.external-seo-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.external-seo-links a {
  color: var(--copper-accent);
  background: rgba(214, 167, 122, 0.08);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8125rem;
  border: 1px solid rgba(214, 167, 122, 0.2);
}

.external-seo-links a:hover {
  background: rgba(214, 167, 122, 0.18);
}

/* ==========================================================================
   Article Detail Page Layout Styles
   ========================================================================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--copper-accent);
}

.breadcrumb span {
  color: var(--copper-accent);
}

.article-header {
  margin-bottom: 2.5rem;
  max-width: 860px;
}

.article-header h1 {
  margin-bottom: 1rem;
  line-height: 1.3;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 1rem;
}

.article-hero-banner {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-body-wrapper {
  max-width: 860px;
  margin: 0 auto;
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: #E2E8F0;
}

.article-content h2 {
  font-size: 1.625rem;
  margin: 2.5rem 0 1rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(214, 167, 122, 0.3);
  color: var(--text-main);
}

.article-content h3 {
  font-size: 1.25rem;
  margin: 1.75rem 0 0.75rem 0;
  color: var(--copper-accent);
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content ul, .article-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-content blockquote {
  background: rgba(39, 60, 86, 0.6);
  border-left: 4px solid var(--copper-accent);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: 0 6px 6px 0;
  color: var(--text-main);
}

.article-content code {
  font-family: var(--font-mono);
  background: rgba(16, 27, 46, 0.8);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.875em;
  color: var(--copper-accent);
}

.article-cta-box {
  background: linear-gradient(135deg, var(--panel-bg) 0%, rgba(16, 27, 46, 0.9) 100%);
  border: 1px solid var(--copper-accent);
  border-radius: 12px;
  padding: 2rem;
  margin: 3rem 0;
  text-align: center;
}

.article-cta-box h3 {
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.article-cta-box p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.related-articles {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

@media (min-width: 768px) {
  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.related-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 1.25rem;
}

.related-card h4 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.related-card a {
  color: var(--text-main);
}

.related-card a:hover {
  color: var(--copper-accent);
}

/* ==========================================================================
   Prefers Reduced Motion Support
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .status-dot {
    animation: none !important;
  }
}