:root {
  --bg-main: #0c0f17;
  --bg-surface: rgba(18, 23, 36, 0.72);
  --bg-surface-hover: rgba(26, 33, 50, 0.85);
  --bg-card: rgba(255, 255, 255, 0.025);
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-accent: rgba(223, 126, 151, 0.28);
  --accent-rose: #df7e97;
  --accent-rose-hover: #e68fa5;
  --accent-rose-glow: rgba(223, 126, 151, 0.35);
  --accent-secondary: #f09bb0;
  --text-primary: #ffffff;
  --text-secondary: #8e95a5;
  --text-muted: #596173;
  --font-display: "Unbounded", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background canvas and seamless glow */
.sakura-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
}

.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(223, 126, 151, 0.16), transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(12, 15, 23, 0.78);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  flex-shrink: 0;
}

.brand-logo {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 0 10px rgba(223, 126, 151, 0.45));
}

.brand-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #fff;
}

.brand-dot {
  color: var(--accent-rose);
}

/* Links moved right near the bot button */
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  margin-left: auto;
  margin-right: 24px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  background: linear-gradient(135deg, var(--accent-rose), #c25f77);
  color: #fff;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(223, 126, 151, 0.3);
  transition: var(--transition);
}

.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(223, 126, 151, 0.45);
}

/* Mobile menu toggle */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.mobile-menu-btn:hover {
  border-color: var(--accent-rose);
}

/* Mobile dropdown drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 74px;
  left: 0;
  width: 100%;
  background: rgba(12, 15, 23, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 24px 20px;
  z-index: 99;
  flex-direction: column;
  gap: 18px;
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}

.mobile-drawer.active {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.mobile-nav-link:hover {
  color: var(--text-primary);
}

.mobile-btn-nav {
  margin-top: 10px;
  text-align: center;
  justify-content: center;
  width: 100%;
}

/* Hero Section */
.hero {
  padding: 140px 0 70px;
  text-align: center;
  position: relative;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.8vw, 56px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1.5px;
  margin-bottom: 22px;
  max-width: 940px;
  margin-left: auto;
  margin-right: auto;
}

.hero-title-highlight {
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-rose) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 15px 34px;
  background: linear-gradient(135deg, var(--accent-rose), #c25f77);
  color: #fff;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 8px 28px rgba(223, 126, 151, 0.35);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(223, 126, 151, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* Metrics row */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  backdrop-filter: blur(12px);
  text-align: left;
  transition: var(--transition);
}

.metric-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-accent);
  transform: translateY(-3px);
}

.metric-value {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
}

.metric-value-accent {
  color: var(--accent-rose);
}

.metric-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Sections */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-rose);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Route Comparison */
.visualizer-wrapper {
  width: 100%;
}

.visualizer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.route-lane {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 30px 26px;
  backdrop-filter: blur(14px);
  transition: var(--transition);
}

.route-lane:hover {
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.route-lane.sorajima-lane {
  border-color: var(--border-accent);
  background: rgba(223, 126, 151, 0.04);
  box-shadow: 0 10px 30px rgba(223, 126, 151, 0.06);
}

.route-lane.sorajima-lane:hover {
  border-color: var(--accent-rose);
  transform: translateY(-2px);
}

.lane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.lane-badge {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
}

.badge-bad {
  background: rgba(235, 77, 75, 0.15);
  color: #ff7675;
  border: 1px solid rgba(235, 77, 75, 0.3);
}

.badge-good {
  background: rgba(46, 213, 115, 0.15);
  color: #2ed573;
  border: 1px solid rgba(46, 213, 115, 0.3);
}

.lane-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
}

.route-nodes {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
}

.route-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  font-size: 13px;
}

.node-name {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
}

.node-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ff7675;
}

.sorajima-lane .node-status-dot {
  background: var(--accent-rose);
  box-shadow: 0 0 8px var(--accent-rose);
}

.node-latency {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
}

.lane-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.stat-item-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-item-val {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px 26px;
  backdrop-filter: blur(14px);
  transition: var(--transition);
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-accent);
  transform: translateY(-5px);
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(223, 126, 151, 0.1);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-rose);
  margin-bottom: 20px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Edge Nodes */
.nodes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.node-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.node-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.node-flag-wrap {
  width: 28px;
  height: 20px;
  border-radius: 4px;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.14);
  flex-shrink: 0;
}

.node-flag-wrap svg {
  width: 100%;
  height: 100%;
  display: block;
}

.node-city {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
}

.node-country {
  font-size: 12px;
  color: var(--text-secondary);
}

.node-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  color: #2ed573;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(46, 213, 115, 0.1);
  border: 1px solid rgba(46, 213, 115, 0.2);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 14px;
}

.faq-icon {
  width: 18px;
  height: 18px;
  color: var(--accent-rose);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 280px;
  padding: 0 24px 20px;
}

/* Big CTA Banner */
.cta-banner {
  margin: 30px 0 80px;
  background: linear-gradient(135deg, rgba(223, 126, 151, 0.12), rgba(18, 23, 36, 0.8));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: 56px 36px;
  text-align: center;
  backdrop-filter: blur(16px);
}

.cta-banner-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -1px;
}

.cta-banner-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 32px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(8, 10, 16, 0.85);
  padding: 46px 0 28px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-disclaimer {
  max-width: 550px;
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  flex-wrap: wrap;
  gap: 14px;
}

.footer-footnote {
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .nav-links {
    gap: 18px;
    margin-right: 18px;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .visualizer-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .nodes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .nav-container {
    height: 64px;
  }
  .nav-links {
    display: none;
  }
  .btn-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .mobile-drawer {
    top: 64px;
  }
  .hero {
    padding: 110px 0 50px;
  }
  .hero-title {
    font-size: clamp(24px, 6.8vw, 36px);
    letter-spacing: -0.8px;
    margin-bottom: 16px;
  }
  .hero-description {
    font-size: 14px;
    margin-bottom: 28px;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 12px;
    margin-bottom: 40px;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
    font-size: 14px;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .metric-card {
    padding: 18px 16px;
  }
  .metric-value {
    font-size: 26px;
  }
  .section {
    padding: 60px 0;
  }
  .section-header {
    margin-bottom: 34px;
  }
  .section-title {
    font-size: 22px;
  }
  .section-desc {
    font-size: 14px;
  }
  .route-lane {
    padding: 20px 16px;
    border-radius: var(--radius-lg);
  }
  .lane-title {
    font-size: 14px;
  }
  .route-node {
    padding: 10px 12px;
    font-size: 12px;
  }
  .node-latency {
    font-size: 11px;
  }
  .stat-item-val {
    font-size: 16px;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .feature-card {
    padding: 24px 20px;
  }
  .nodes-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .node-card {
    padding: 14px 16px;
  }
  .faq-question {
    padding: 16px 18px;
    font-size: 14px;
  }
  .faq-answer {
    padding: 0 18px;
    font-size: 13px;
  }
  .faq-item.active .faq-answer {
    padding: 0 18px 16px;
  }
  .cta-banner {
    padding: 38px 20px;
    margin: 20px 0 60px;
    border-radius: var(--radius-lg);
  }
  .cta-banner-title {
    font-size: 22px;
  }
  .cta-banner-desc {
    font-size: 13px;
    margin-bottom: 24px;
  }
  .footer {
    padding: 36px 0 24px;
  }
  .footer-top, .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}