/* --- Tokens (Tuga dark palette, same as tuga-design) --- */
:root {
  --bg-root: #0B0F14;
  --bg-surface: #11161D;
  --bg-card: #1A2129;
  --bg-card-hover: #1F2730;
  --border: #2A3340;
  --text-primary: #FFFFFF;
  --text-secondary: #B0BEC5;
  --text-dim: #78909C;
  --accent-blue: #2196F3;
  --accent-teal: #26A69A;
  --accent-purple: #AB47BC;
  --status-ok: #4CAF50;
  --status-warn: #FFA726;
  --status-error: #EF5350;
  --grad-hero: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(33,150,243,0.18), transparent 60%),
               radial-gradient(ellipse 60% 50% at 80% 10%, rgba(38,166,154,0.12), transparent 60%);
  --max-width: 1180px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-root);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--accent-teal);
  text-decoration: none;
  transition: opacity 0.15s ease;
}
a:hover { opacity: 0.8; }

code, pre {
  font-family: "SF Mono", "JetBrains Mono", "Menlo", Consolas, monospace;
  font-size: 0.9em;
}

code {
  background: var(--bg-card);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: #E0E0E0;
}

pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  overflow-x: auto;
  color: var(--text-secondary);
  line-height: 1.5;
}

pre code {
  background: transparent;
  border: none;
  padding: 0;
}

h1, h2, h3 {
  margin: 0 0 16px 0;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 { font-size: 56px; }
h2 { font-size: 36px; margin-bottom: 8px; }
h3 { font-size: 20px; }

p { color: var(--text-secondary); margin: 0 0 16px 0; }

/* --- Topbar --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 17px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-teal));
  display: grid;
  place-items: center;
  font-weight: 900;
  color: white;
  letter-spacing: -0.04em;
}

.brand-text-dim { color: var(--text-dim); font-weight: 400; }

.topbar-nav {
  display: flex;
  gap: 28px;
}

.topbar-nav a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

/* --- Hero --- */
.hero {
  padding: 100px 0 120px;
  background: var(--grad-hero);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: 20px;
  font-weight: 600;
}

.hero-text h1 {
  margin-bottom: 22px;
  background: linear-gradient(120deg, #FFFFFF 30%, #80DEEA);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 19px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
}

.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.1s ease, opacity 0.15s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-teal));
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}

.hero-meta {
  font-size: 13px;
  color: var(--text-dim);
}

/* --- Device mockup --- */
.device-mockup {
  background: linear-gradient(135deg, #1A2129, #11161D);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
}

.device-screen {
  background: var(--bg-root);
  border-radius: 10px;
  padding: 20px;
  min-height: 280px;
}

.screen-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}

.screen-app-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-teal));
  flex-shrink: 0;
}

.screen-title strong {
  display: block;
  font-size: 15px;
  color: var(--text-primary);
}

.screen-title span {
  font-size: 11px;
  color: var(--text-dim);
}

.screen-brand {
  margin-left: auto;
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

.screen-tiles {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.tile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 10px;
  text-align: center;
}

.tile strong {
  display: block;
  font-size: 12px;
  margin: 8px 0 4px 0;
  color: var(--text-primary);
}

.tile span {
  font-size: 9px;
  color: var(--text-dim);
}

.tile-icon {
  display: inline-block;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  line-height: 38px;
  font-size: 19px;
}

.tile-blue .tile-icon { background: rgba(33, 150, 243, 0.22); color: var(--accent-blue); }
.tile-teal .tile-icon { background: rgba(38, 166, 154, 0.22); color: var(--accent-teal); }
.tile-purple .tile-icon { background: rgba(171, 71, 188, 0.22); color: var(--accent-purple); }

.screen-status {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.status-item {
  font-size: 11px;
  color: var(--text-secondary);
}

/* --- Apps section --- */
.apps {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.section-lead {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 600px;
  margin: 0 0 48px 0;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

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

.app-card-store, .app-card-settings {
  background: linear-gradient(135deg, rgba(33,150,243,0.07), rgba(38,166,154,0.05));
  border-color: rgba(38,166,154,0.3);
}

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

.app-card-head h3 {
  margin: 0;
  font-size: 18px;
}

.app-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 22px;
  flex-shrink: 0;
}

.app-icon-blue { background: rgba(33,150,243,0.18); color: var(--accent-blue); }
.app-icon-teal { background: rgba(38,166,154,0.18); color: var(--accent-teal); }
.app-icon-purple { background: rgba(171,71,188,0.18); color: var(--accent-purple); }

.app-version {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  font-weight: 500;
  margin-top: 2px;
}

.app-features {
  list-style: none;
  padding: 0;
  margin: 12px 0 20px 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.app-features li {
  padding: 4px 0 4px 16px;
  position: relative;
}

.app-features li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent-teal);
}

.app-card-foot {
  display: flex;
  gap: 18px;
  font-size: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

/* --- Install section --- */
.install {
  padding: 100px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.install-steps {
  list-style: none;
  padding: 0;
  counter-reset: step;
  display: grid;
  gap: 20px;
}

.install-steps li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 28px;
}

.install-steps h3 {
  margin: 0 0 8px 0;
  font-size: 17px;
}

.install-steps p {
  margin: 0 0 12px 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.install-steps p:last-child { margin-bottom: 0; }

.install-note {
  margin-top: 32px;
  padding: 18px 22px;
  background: rgba(33,150,243,0.07);
  border-left: 3px solid var(--accent-blue);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.install-bundle-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  padding: 14px 24px;
  margin-top: 6px;
}

.install-bundle-meta {
  margin-top: 10px !important;
  font-size: 13px;
  color: var(--text-dim);
}

.install-bundle-meta a {
  color: var(--accent-teal);
  text-decoration: underline;
  text-decoration-color: rgba(38,166,154,0.4);
}

.install-alt {
  margin-top: 18px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}

.install-alt summary {
  cursor: pointer;
  color: var(--text-secondary);
  font-weight: 500;
  user-select: none;
}

.install-alt[open] summary {
  margin-bottom: 12px;
  color: var(--text-primary);
}

.install-alt pre {
  margin: 12px 0 0;
}

/* --- Community --- */
.community {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.community-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  color: var(--text-primary);
}

.community-card:hover {
  border-color: var(--accent-teal);
}

.community-card-dim {
  opacity: 0.6;
  cursor: default;
}

.community-card-dim:hover {
  border-color: var(--border);
  opacity: 0.6;
  transform: none;
}

.community-icon {
  font-size: 22px;
  display: inline-block;
  margin-bottom: 4px;
}

.community-card strong { font-size: 15px; }

.community-card p {
  font-size: 13px;
  color: var(--text-dim);
  margin: 0;
}

.badge {
  background: var(--bg-surface);
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  margin-left: 6px;
  border: 1px solid var(--border);
}

/* --- Footer --- */
.footer {
  padding: 60px 0 30px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px 0;
}

.footer-tagline {
  color: var(--text-dim);
  font-size: 14px;
}

.footer-heading {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  font-weight: 600;
  margin: 0 0 12px 0;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer ul li {
  margin-bottom: 6px;
  color: var(--text-dim);
  font-size: 13px;
}

.footer ul li a {
  color: var(--text-secondary);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
  text-align: center;
}

/* --- Responsive --- */
@media (max-width: 880px) {
  h1 { font-size: 38px; }
  h2 { font-size: 28px; }
  .hero { padding: 60px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-cta { flex-direction: column; }
  .btn { text-align: center; }
  .topbar-nav { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .screen-status { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  h1 { font-size: 32px; }
  .hero-lead { font-size: 16px; }
}

/* --- Language switcher --- */
.lang-switcher {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-size: 12px;
  font-weight: 600;
  margin-left: 12px;
}

.lang-switcher a {
  padding: 6px 12px;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.lang-switcher a.active {
  background: var(--bg-card);
  color: var(--text-primary);
}

.lang-switcher a:hover { color: var(--text-primary); opacity: 1; }

/* --- App card download button (replacement for two-link footer) --- */
.app-download {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 14px;
  margin-top: 14px;
  border-top: 1px solid var(--border);
}

.app-download-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.app-download-link:hover {
  border-color: var(--accent-teal);
  background: var(--bg-card-hover);
  opacity: 1;
}

.app-download-link .badge-version {
  background: rgba(38, 166, 154, 0.15);
  color: var(--accent-teal);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  font-family: "SF Mono", "JetBrains Mono", monospace;
}

.app-download-link.app-download-secondary {
  background: transparent;
  color: var(--text-dim);
  font-size: 12px;
  padding: 8px 14px;
}

.app-download-link.app-download-secondary:hover {
  border-color: var(--border);
  color: var(--text-secondary);
}