/* ===== CSS Variables ===== */
:root {
  --color-primary: #4abe6e;
  --color-primary-light: #5fcf7f;
  --color-primary-dark: #3a9e5a;
  --color-primary-bg: rgba(74, 190, 110, 0.08);
  --color-primary-border: rgba(74, 190, 110, 0.2);
  --color-bg: #0a0a0a;
  --color-bg-secondary: #111111;
  --color-bg-card: #161616;
  --color-bg-card-hover: #1a1a1a;
  --color-text: #e5e5e5;
  --color-text-secondary: #999999;
  --color-text-muted: #666666;
  --color-border: #222222;
  --color-border-light: #2a2a2a;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
  --max-width: 1100px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}

.logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.logo-text {
  color: var(--color-text);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links,
.nav-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-actions {
  gap: 12px;
}

.nav-mobile-only,
.nav-toggle {
  display: none;
}

.nav-login {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}

.nav-login:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.06);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition), box-shadow var(--transition);
}

.btn-nav:hover {
  background: var(--color-primary-light);
  box-shadow: 0 2px 12px rgba(74, 190, 110, 0.3);
}

/* Signed-in state comes from the console's /api/me (main.js); until it
   answers, visitors see the signed-out controls. */
.nav-avatar {
  display: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-bg);
  border: 1px solid var(--color-primary-border);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.nav-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.navbar.is-signed-in .nav-avatar {
  display: inline-flex;
}

.navbar.is-signed-in .nav-signed-out {
  display: none !important;
}

.nav-link {
  font-size: 14px;
  color: var(--color-text);
  transition: color var(--transition);
}

.nav-link:hover {
  color: #ffffff;
}

.github-link {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--color-text-secondary);
  transition: color var(--transition);
  padding: 4px 10px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
}

.github-link:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.github-stars-count {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.github-link:hover .github-stars-count {
  color: var(--color-text);
}

.lang-switch {
  background: transparent;
  border: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}

.lang-switch:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== Hero Section ===== */
.hero {
  padding: 160px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74, 190, 110, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-primary-bg);
  border: 1px solid var(--color-primary-border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--color-primary);
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 0%, #cccccc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  max-width: 680px;
  margin: 0 auto 40px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(74, 190, 110, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.btn-cloud {
  position: relative;
  background: linear-gradient(135deg, rgba(74, 190, 110, 0.18) 0%, rgba(74, 190, 110, 0.06) 100%);
  color: var(--color-primary-light);
  border: 1px solid rgba(74, 190, 110, 0.55);
  box-shadow: 0 0 0 0 rgba(74, 190, 110, 0.35), 0 0 24px rgba(74, 190, 110, 0.12);
  animation: cloud-glow 2.8s ease-in-out infinite;
}

.btn-cloud:hover {
  background: linear-gradient(135deg, rgba(74, 190, 110, 0.26) 0%, rgba(74, 190, 110, 0.1) 100%);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

@keyframes cloud-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 190, 110, 0.3), 0 0 24px rgba(74, 190, 110, 0.12); }
  50% { box-shadow: 0 0 0 4px rgba(74, 190, 110, 0), 0 0 32px rgba(74, 190, 110, 0.22); }
}

@media (prefers-reduced-motion: reduce) {
  .btn-cloud { animation: none; }
}

.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
}

.badge-new {
  position: absolute;
  top: -9px;
  right: -10px;
  background: #c0463c;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 9999px;
  line-height: 1.4;
  letter-spacing: 0.04em;
  white-space: nowrap;
}


.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
}

.stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

/* ===== Demo Video (in hero, below the stats) ===== */
.hero-demo {
  max-width: 880px;
  margin: 56px auto 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.demo-video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: #000;
}

/* ===== Quick Start ===== */
.quickstart {
  padding: 80px 24px 100px;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 15px;
  margin-bottom: 48px;
}

.code-block {
  max-width: 640px;
  margin: 0 auto;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  gap: 6px;
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.code-dot.red { background: #ff5f57; }
.code-dot.yellow { background: #febc2e; }
.code-dot.green { background: #28c840; }

.code-label {
  margin-left: 8px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.code-tabs {
  display: flex;
  margin-left: 10px;
  gap: 2px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.code-tab {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 12px;
  font-family: var(--font-sans);
  padding: 2px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 16px;
  height: 22px;
}

.code-tab:hover {
  color: var(--color-text-secondary);
}

.code-tab.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text);
}

.copy-btn {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--color-border-light);
  color: var(--color-text-muted);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}

.copy-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.code-content {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  overflow-x: auto;
  color: var(--color-text);
}

.code-comment {
  color: var(--color-text-muted);
}

.code-prompt {
  color: var(--color-primary);
  user-select: none;
}

/* ===== Region hint (global site) ===== */
.region-hint {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 14px;
  /* left: 50% would otherwise cap the shrink-to-fit width at half the viewport */
  width: max-content;
  max-width: min(720px, calc(100% - 32px));
  padding: 12px 12px 12px 18px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  opacity: 0;
  transform: translate(-50%, 12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
}

.region-hint[hidden] {
  display: none;
}

.region-hint.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

.region-hint-text {
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.region-hint-cta {
  flex-shrink: 0;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition);
}

.region-hint-cta:hover {
  background: var(--color-primary-light);
}

.region-hint-close {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.region-hint-close:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 768px) {
  .region-hint {
    bottom: 96px;
    width: calc(100% - 32px);
    flex-wrap: wrap;
    gap: 10px;
  }

  .region-hint-text {
    flex: 1 1 100%;
  }
}

/* ===== Ways to run ===== */
.ways {
  padding: 80px 24px;
}

.ways-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.way-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

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

.way-card-featured {
  border-color: var(--color-primary-border);
  background: linear-gradient(180deg, rgba(74, 190, 110, 0.07) 0%, var(--color-bg-card) 55%);
}

.way-card-featured:hover {
  border-color: rgba(74, 190, 110, 0.45);
}

.way-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.way-head .feature-icon {
  margin-bottom: 0;
  flex-shrink: 0;
}

.way-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.way-tagline {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.way-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  flex: 1;
}

.way-points li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.way-points li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 6px;
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}

.way-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.way-actions .btn {
  width: auto;
}

.way-link {
  white-space: nowrap;
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

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

/* ===== Features ===== */
.features {
  padding: 80px 24px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  display: block;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.feature-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-light);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-bg);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  color: var(--color-primary);
}

.feature-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

.feature-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* ===== Integrations ===== */
.integrations {
  padding: 80px 24px;
}

.integration-group {
  margin-bottom: 40px;
}

.integration-group:last-child {
  margin-bottom: 0;
}

.integration-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  text-align: center;
}

.tags-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  transition: all var(--transition);
}

.tag:hover {
  border-color: var(--color-primary-border);
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 56px 24px 32px;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand-head {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer-logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.footer-name {
  font-weight: 600;
  font-size: 16px;
}

.footer-tagline {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

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

.footer-socials {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

.footer-social {
  display: inline-flex;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-social:hover {
  color: var(--color-text);
}

.footer-qr-link {
  position: relative;
}

.footer-qr {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 0;
  padding: 8px;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 10;
}

.footer-qr img {
  display: block;
  width: 120px;
  height: 120px;
}

.footer-qr-link:hover .footer-qr,
.footer-qr-link:focus-visible .footer-qr {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, auto));
  gap: 64px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 14px;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-sites a {
  color: inherit;
  transition: color var(--transition);
}

.footer-sites a:hover {
  color: var(--color-text-secondary);
}

.footer-sites-dot {
  margin: 0 8px;
}

.footer-bottom .footer-icp {
  margin-top: 6px;
}

.footer-bottom .footer-icp a {
  color: inherit;
}

.footer-bottom .footer-icp a:hover {
  color: var(--color-text-secondary);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero {
    padding: 120px 20px 60px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .hero-stats {
    gap: 24px;
  }

  .stat-number {
    font-size: 22px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .section-title {
    font-size: 26px;
  }

  .footer-top {
    flex-direction: column;
    gap: 36px;
  }

  .footer-brand {
    max-width: none;
  }

  .footer-cols {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  /* Page links move into a dropdown opened by the menu button; the bar keeps
     the logo, language switch and the console / account controls. */
  .nav-container {
    padding: 0 16px;
  }

  .nav-left {
    gap: 0;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
    /* Opaque: a translucent child under the navbar's backdrop-filter lets
       the page show through in Chromium. */
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
  }

  .navbar.nav-open .nav-links {
    display: flex;
  }

  .nav-links .nav-link {
    padding: 12px 4px;
    font-size: 15px;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links .nav-link:last-child {
    border-bottom: none;
  }

  .nav-mobile-only {
    display: block;
  }

  .nav-actions {
    gap: 10px;
  }

  .nav-actions .github-link,
  .nav-actions .nav-login {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: transparent;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
  }

  .lang-switch {
    padding: 4px 10px;
  }
}

@media (max-width: 900px) {
  .ways-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }
}

/* ===== Scroll Animations ===== */
.animate-target {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.feature-card.animate-target:nth-child(2) { transition-delay: 0.08s; }
.feature-card.animate-target:nth-child(3) { transition-delay: 0.16s; }
.feature-card.animate-target:nth-child(4) { transition-delay: 0.24s; }
.feature-card.animate-target:nth-child(5) { transition-delay: 0.32s; }
.feature-card.animate-target:nth-child(6) { transition-delay: 0.4s; }

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .logo-text {
    display: none;
  }

  .footer-cols {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 24px;
  }

  .lang-switch {
    padding: 3px 8px;
    font-size: 13px;
  }
}

/* ===== Blog: active nav state ===== */
.nav-link-active {
  color: var(--color-primary);
}

/* ===== Blog: list page ===== */
.blog {
  padding: 120px 24px 80px;
  min-height: 70vh;
}

.blog-container {
  max-width: 900px;
  margin: 0 auto;
}

.blog-header {
  margin-bottom: 48px;
}

.blog-page-title {
  font-size: 40px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.blog-page-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 640px;
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.blog-card {
  display: block;
  padding: 28px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.blog-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-primary-border);
  transform: translateY(-2px);
}

.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.blog-tag {
  font-size: 12px;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border: 1px solid var(--color-primary-border);
  border-radius: 999px;
  padding: 3px 10px;
}

.blog-card-title {
  font-size: 22px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 10px;
  line-height: 1.35;
}

.blog-card-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 18px;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.blog-card-read {
  color: var(--color-primary);
}

/* ===== Blog: article page ===== */
.article {
  padding: 120px 24px 80px;
}

.article-container {
  max-width: 760px;
  margin: 0 auto;
}

.article-back {
  display: inline-block;
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  transition: color var(--transition);
}

.article-back::before {
  content: "\2190";
  margin-right: 6px;
}

.article-back:hover {
  color: var(--color-primary);
}

.article-header {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.article-title {
  font-size: 34px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  gap: 16px;
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ===== Blog: article body (rendered markdown) ===== */
.article-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
}

.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  color: #ffffff;
  margin: 48px 0 16px;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: #ffffff;
  margin: 36px 0 12px;
}

.article-body h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin: 28px 0 10px;
}

.article-body p {
  margin: 16px 0;
}

.article-body ul,
.article-body ol {
  margin: 16px 0;
  padding-left: 24px;
}

.article-body li {
  margin: 6px 0;
}

.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body strong {
  color: #ffffff;
  font-weight: 600;
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin: 20px 0;
  display: block;
}

.article-body blockquote {
  margin: 20px 0;
  padding: 12px 20px;
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text-secondary);
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
}

.article-body pre {
  margin: 20px 0;
  padding: 18px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 14px;
  line-height: 1.6;
}

/* Tables (markdown) */
.article-body .table-wrap {
  margin: 20px 0;
  overflow-x: auto;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.article-body th,
.article-body td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
}

.article-body th {
  background: var(--color-bg-card);
  color: #ffffff;
  font-weight: 600;
}

@media (max-width: 768px) {
  .blog,
  .article {
    padding-top: 96px;
  }

  .blog-page-title {
    font-size: 30px;
  }

  .article-title {
    font-size: 26px;
  }
}

/* ===== Hero sub-links (under the primary CTAs) ===== */
.hero-sublinks {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: -44px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.hero-sublink {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.hero-sublink:hover {
  color: var(--color-text);
}

.hero-sublink-divider {
  width: 1px;
  height: 14px;
  background: var(--color-border-light);
}

/* ===== Download page ===== */
.dl-hero {
  padding: 150px 24px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.dl-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 500px;
  background: radial-gradient(circle, rgba(74, 190, 110, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.dl-hero-container {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.dl-title {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.dl-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
}

/* Recommended (auto-detected) card */
.dl-recommend {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 20px;
  text-align: left;
}

.dl-recommend-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.dl-recommend-os {
  display: flex;
  align-items: center;
  gap: 16px;
}

.dl-os-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0.9;
}

.dl-recommend-text {
  display: flex;
  flex-direction: column;
}

.dl-recommend-label {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
}

.dl-recommend-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.dl-recommend-btn {
  flex-shrink: 0;
}

.dl-recommend-alt {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 14px;
}

.dl-recommend-alt a {
  color: var(--color-primary);
}

.dl-recommend-alt a:hover {
  text-decoration: underline;
}

/* Mobile notice: no icon/button, so center the text and relax the layout. */
.dl-recommend-mobile {
  text-align: center;
}
.dl-recommend-mobile .dl-recommend-main {
  justify-content: center;
}
.dl-recommend-mobile .dl-recommend-os {
  gap: 0;
}
.dl-recommend-mobile .dl-recommend-label {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.dl-other-link {
  display: inline-block;
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.dl-other-link:hover {
  color: var(--color-text);
}

/* All-platforms grid */
.dl-platforms {
  padding: 60px 24px;
  background: var(--color-bg-secondary);
}

.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.dl-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

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

.dl-card-disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* Mobile: dim the cards but keep them clickable so the click handler can
   intercept the download and show the "use a computer" toast. */
.dl-card-mobile-off {
  opacity: 0.5;
}
.dl-card-mobile-off .dl-card-btn {
  cursor: not-allowed;
  filter: grayscale(1);
}

.dl-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0.9;
}

.dl-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.dl-card-arch {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.dl-card-btn {
  width: 100%;
}

.dl-card-meta {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 10px;
  min-height: 16px;
}

/* macOS / Windows glyphs (inline SVG data URIs, currentColor-ish white) */
.dl-icon-apple {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23e5e5e5'%3E%3Cpath d='M17.05 12.04c-.03-3.02 2.47-4.47 2.58-4.54-1.41-2.06-3.6-2.34-4.38-2.37-1.86-.19-3.64 1.1-4.58 1.1-.95 0-2.4-1.08-3.95-1.05-2.03.03-3.9 1.18-4.94 3-2.11 3.66-.54 9.06 1.5 12.03 1 1.45 2.19 3.08 3.74 3.02 1.5-.06 2.07-.97 3.88-.97 1.8 0 2.32.97 3.9.94 1.61-.03 2.63-1.48 3.62-2.94 1.14-1.68 1.61-3.31 1.64-3.39-.04-.02-3.15-1.21-3.18-4.79zM14.13 3.37c.83-1 1.39-2.4 1.24-3.79-1.2.05-2.65.8-3.51 1.8-.77.88-1.44 2.29-1.26 3.65 1.33.1 2.7-.68 3.53-1.66z'/%3E%3C/svg%3E");
}

.dl-icon-windows {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23e5e5e5'%3E%3Cpath d='M0 3.45L9.75 2.1v9.45H0V3.45zM10.95 1.95L24 0v11.4H10.95V1.95zM0 12.6h9.75v9.45L0 20.55V12.6zm10.95 0H24V24l-13.05-1.8V12.6z'/%3E%3C/svg%3E");
}

/* Install notes */
.dl-notes {
  max-width: 760px;
  margin: 0 auto 32px;
}

.dl-note {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 12px;
  background: var(--color-bg-card);
}

.dl-note summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  list-style: none;
}

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

.dl-note summary::before {
  content: '+';
  display: inline-block;
  width: 16px;
  color: var(--color-primary);
  font-weight: 700;
}

.dl-note[open] summary::before {
  content: '–';
}

.dl-note p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: 10px;
  padding-left: 16px;
}

/* CLI alternative */
.dl-cli {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  padding: 24px;
  border-top: 1px solid var(--color-border);
}

.dl-cli-text {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.dl-cli-link {
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
}

.dl-cli-link:hover {
  text-decoration: underline;
}

/* Version history */
.dl-history {
  padding: 60px 24px 80px;
}

.dl-history-loading,
.dl-history-empty {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 14px;
}

.dl-hist-table {
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.dl-hist-row {
  display: grid;
  grid-template-columns: 1.3fr 1.2fr 4.4fr 1.3fr;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
}

.dl-hist-row:last-child {
  border-bottom: none;
}

.dl-hist-head {
  background: var(--color-bg-card);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
}

.dl-hist-version {
  font-weight: 600;
  font-size: 14px;
}

.dl-hist-latest {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border: 1px solid var(--color-primary-border);
  border-radius: 100px;
}

.dl-hist-date {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* One platform per line so each download link is easy to scan/click. */
.dl-hist-files {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Capped width keeps the size right next to its platform name while still
   lining the sizes up across rows. */
.dl-hist-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 430px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--color-primary);
}

.dl-hist-link:hover {
  text-decoration: underline;
}

.dl-hist-size {
  min-width: 64px;
  text-align: right;
  color: var(--color-text-muted);
}

.dl-hist-na {
  color: var(--color-text-muted);
  font-size: 12px;
}

/* Flex cell so the link is centred by the grid row itself — as an inline box
   the surrounding line-box strut pushed it a hair below the other columns.
   Aligned right so the last column ends flush with the table edge. */
.dl-hist-notes {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  text-align: right;
}

.dl-hist-note-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  white-space: nowrap;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

.dl-hist-note-link:hover {
  color: var(--color-primary);
}

.dl-hist-note-arrow {
  transition: transform 0.2s ease;
}

.dl-hist-note-link:hover .dl-hist-note-arrow {
  transform: translateX(2px);
}

.nav-link-active {
  color: #fff;
  font-weight: 600;
}

@media (max-width: 768px) {
  .dl-title {
    font-size: 32px;
  }

  .dl-recommend-main {
    flex-direction: column;
    align-items: flex-start;
  }

  .dl-recommend-btn {
    width: 100%;
  }

  .dl-grid {
    grid-template-columns: 1fr;
  }

  .dl-hist-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .dl-hist-head {
    display: none;
  }
}