:root,
[data-theme='dark'] {
  --bg: #080c14;
  --bg-elevated: #0f1520;
  --bg-card: #141c2b;
  --bg-hover: #1a2438;
  --bg-input: #0c1019;
  --border: #243044;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --accent: #2dd4bf;
  --accent-hover: #14b8a6;
  --accent-glow: rgba(45, 212, 191, 0.25);
  --btn-on-accent: #042f2e;
  --chrome-bg: rgba(8, 12, 20, 0.85);
  --chrome-bg-solid: rgba(8, 12, 20, 0.92);
  --body-gradient-1: rgba(45, 212, 191, 0.12);
  --body-gradient-2: rgba(59, 130, 246, 0.06);
  --orange: #f97316;
  --yellow: #fbbf24;
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #fbbf24;
  --ptt: #f97316;
  --ptt-glow: rgba(249, 115, 22, 0.35);
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --max: 1120px;
  --site-header-offset: 4.75rem;
}

[data-theme='light'] {
  --bg: #f1f5f9;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #e8eef4;
  --bg-input: #ffffff;
  --border: #cbd5e1;
  --text: #0f172a;
  --text-muted: #64748b;
  --accent: #0d9488;
  --accent-hover: #0f766e;
  --accent-glow: rgba(13, 148, 136, 0.2);
  --btn-on-accent: #f0fdfa;
  --chrome-bg: rgba(241, 245, 249, 0.9);
  --chrome-bg-solid: rgba(255, 255, 255, 0.95);
  --body-gradient-1: rgba(13, 148, 136, 0.08);
  --body-gradient-2: rgba(59, 130, 246, 0.05);
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  --warning: #d97706;
  --ptt: #ea580c;
  --ptt-glow: rgba(234, 88, 12, 0.25);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--site-header-offset);
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  overflow-x: clip;
  max-width: 100%;
}

section[id],
main#top {
  scroll-margin-top: var(--site-header-offset);
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  overflow-x: clip;
  max-width: 100%;
  overscroll-behavior-x: none;
}

body.nav-open {
  overflow: hidden;
}

#top {
  overflow-x: clip;
  max-width: 100%;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--body-gradient-1), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, var(--body-gradient-2), transparent);
  pointer-events: none;
  z-index: -1;
}

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

code {
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.9em;
  background: var(--bg-hover);
  padding: 0.15em 0.45em;
  border-radius: 6px;
  color: var(--accent);
}

/* Header chrome */
.site-chrome {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  background: var(--chrome-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  max-width: 100%;
}

.site-bar {
  display: contents;
}

.brand {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.brand span span,
.brand-text span,
.footer-brand span span {
  color: var(--accent);
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #0d9488);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--btn-on-accent);
  box-shadow: 0 4px 16px var(--accent-glow);
  flex-shrink: 0;
}

.brand-icon--sm {
  width: 28px;
  height: 28px;
  font-size: 0.6rem;
}

.site-nav {
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

.site-nav a:hover {
  color: var(--accent);
}

.site-nav a.is-active {
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 720px) {
  .site-nav a.is-active {
    background: var(--bg-hover);
  }
}

.header-actions {
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle,
.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.theme-toggle {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
}

.theme-icon--moon {
  display: none;
}

[data-theme='light'] .theme-icon--sun {
  display: none;
}

[data-theme='light'] .theme-icon--moon {
  display: block;
}

.theme-toggle:hover,
.lang-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.lang-toggle {
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  min-width: 2.25rem;
  min-height: 2.25rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.35rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
  min-height: calc(100vh - 60px);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.hero-kicker {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-tagline {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 32rem;
  margin-bottom: 1.75rem;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--btn-on-accent);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* App UI mockups (styles in app-mock.css) */
.hero-preview {
  display: flex;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.hero-preview .en-mock--desktop {
  width: 100%;
  max-width: 680px;
}

.feature-card .en-mock--compact {
  border: none;
  box-shadow: none;
  background: transparent;
}

.feature-card .en-mock--compact .layout {
  min-height: 260px;
}

.feature-card .en-mock--compact .sidebar {
  width: 108px;
}

.shout-demo.en-mock {
  border: none;
  box-shadow: none;
  background: transparent;
  padding: 0;
}

.phone-mock {
  display: flex;
  justify-content: center;
}

.phone-mock .en-mock--mobile {
  width: 280px;
  border-radius: 20px;
  box-shadow: var(--shadow), 0 0 0 1px var(--accent-glow);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto 2rem;
  padding: 0 1.5rem;
  min-width: 0;
}

.stat {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.stat strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}

.stat span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Sections */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 1.5rem;
  overflow-x: clip;
}

.section--alt {
  background: var(--bg-elevated);
  max-width: 100%;
  padding-left: max(1.5rem, calc((100% - var(--max)) / 2 + 1.5rem));
  padding-right: max(1.5rem, calc((100% - var(--max)) / 2 + 1.5rem));
  overflow-x: clip;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-kicker {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-head h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

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

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  min-width: 0;
}

.feature-row {
  grid-column: 1 / -1;
  display: grid;
  gap: 1.25rem;
  min-width: 0;
}

.feature-row--duo {
  grid-template-columns: repeat(2, 1fr);
}

.feature-row--triple {
  grid-template-columns: repeat(3, 1fr);
}

.feature-row .feature-card {
  height: 100%;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
  min-width: 0;
  max-width: 100%;
}

.feature-card:hover {
  border-color: rgba(45, 212, 191, 0.4);
  transform: translateY(-2px);
}

.feature-card--wide {
  grid-column: 1 / -1;
}

.feature-card--highlight {
  border-color: rgba(239, 68, 68, 0.35);
  background: linear-gradient(135deg, var(--bg-card), rgba(239, 68, 68, 0.06));
}

.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(45, 212, 191, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-icon--orange {
  background: rgba(249, 115, 22, 0.12);
  color: var(--orange);
}

.feature-icon--yellow {
  background: rgba(251, 191, 36, 0.12);
  color: var(--yellow);
}

.feature-icon--danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

.feature-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.feature-tags li {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  background: var(--bg-hover);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.mini-ui--chat {
  min-width: 0;
}

.mini-reply-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.mini-reply blockquote {
  font-size: 0.8rem;
  color: var(--text-muted);
  border-left: 3px solid var(--accent);
  padding-left: 0.65rem;
  margin-bottom: 0.65rem;
  font-style: italic;
}

.mini-reply p {
  font-size: 0.85rem;
  color: var(--text);
  margin: 0;
}

.shout-demo {
  margin-top: 0.5rem;
}

.shout-badge {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--danger);
  margin-bottom: 0.5rem;
}

.shout-demo p {
  font-size: 0.9rem;
  color: var(--text);
  margin: 0;
}

/* Timeline feature mock – matches client timeline (lane colors per Gewerk) */
.feature-card--timeline .timeline-demo {
  margin-top: 0.75rem;
}

.timeline-demo-scroll {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
}

.timeline-demo-axis {
  position: relative;
  height: 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  flex-shrink: 0;
}

.timeline-demo-tick {
  position: absolute;
  top: 0.12rem;
  transform: translateX(-50%);
  font-size: 0.62rem;
  color: var(--text-muted);
}

.timeline-demo-tick::before {
  content: '';
  position: absolute;
  top: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 0.3rem;
  background: var(--border);
}

.timeline-demo-now {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(239, 68, 68, 0.55);
  box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.08);
  pointer-events: none;
  z-index: 1;
}

.timeline-demo-lanes {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline-demo-lane {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 0.5rem 0.55rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.timeline-demo-lane-head h3 {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.timeline-demo-track {
  position: relative;
  min-height: 3.85rem;
  border: 1px dashed var(--border);
  border-radius: 10px;
  background: var(--bg-elevated);
  overflow: visible;
}

.timeline-demo-event {
  --lane-color: #14b8a6;
  position: absolute;
  top: 0.45rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 0.15rem;
  padding: 0.38rem 0.5rem 0.42rem;
  border-radius: 8px;
  border: 1px solid var(--lane-color);
  min-width: 5.25rem;
  min-height: 2.85rem;
  box-sizing: border-box;
  overflow: visible;
}

.timeline-demo-event-time {
  font-weight: 700;
  color: var(--lane-color);
  white-space: nowrap;
  font-size: 0.62rem;
  line-height: 1.3;
  flex-shrink: 0;
}

.timeline-demo-event strong {
  font-size: 0.62rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  color: var(--text);
  line-height: 1.3;
  flex-shrink: 0;
}

/* Steps */
.steps {
  list-style: none;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.steps li {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--btn-on-accent);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.steps p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* How: steps + flow diagram */
.how-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.how-layout .steps {
  max-width: none;
  margin: 0;
}

.flow-diagram {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.65rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.flow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.35rem;
  padding: 1rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.flow-node-icon {
  color: var(--accent);
  display: flex;
}

.flow-node strong {
  font-size: 0.95rem;
}

.flow-node span,
.flow-node code {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.flow-node code {
  font-family: Consolas, ui-monospace, Menlo, monospace;
  color: var(--accent);
  background: var(--bg-input, var(--bg-hover));
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
}

.flow-node--host {
  border-color: rgba(45, 212, 191, 0.35);
}

.flow-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.flow-arrow-line {
  width: 2px;
  height: 1.25rem;
  background: linear-gradient(180deg, var(--accent), transparent);
}

.flow-arrow-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

/* FAQ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

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

.faq-item summary {
  padding: 1rem 1.15rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

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

.faq-item summary::after {
  content: '+';
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  padding: 0 1.15rem 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

/* Workspace mini mock */
.workspace-mini-mock {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.en-host-mock-frame--compact .host {
  padding: 0.65rem 0.75rem;
  gap: 0.5rem;
}

.en-host-mock-frame--compact .host-brand-text p {
  display: none;
}

.en-host-mock-frame--compact .host-actions,
.en-host-mock-frame--compact .host-log-panel {
  display: none;
}

.en-host-mock-frame--compact .panel-head {
  padding: 0.5rem 0.75rem 0.25rem;
}

.en-host-mock-frame--compact .host-urls {
  padding: 0 0.75rem 0.65rem;
}

/* Feature mini demos */
.mini-table-demo {
  margin-top: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.72rem;
}

.mini-table-demo-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 0.35rem;
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.mini-table-demo-row:last-child {
  border-bottom: none;
}

.mini-table-demo-row--head {
  background: var(--bg-elevated);
  font-weight: 700;
  color: var(--text-muted);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mini-note-demo {
  margin-top: 0.75rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}

.mini-note-demo strong {
  display: block;
  font-size: 0.82rem;
  margin-bottom: 0.35rem;
}

.mini-note-demo p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
}

.mini-sketch-demo {
  margin-top: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--sketch-demo-bg);
  padding: 0.35rem;
  color: var(--sketch-demo-ink);
}

:root,
[data-theme='dark'] {
  --sketch-demo-bg: #1a1a2e;
  --sketch-demo-ink: #94a3b8;
}

[data-theme='light'] .mini-sketch-demo {
  --sketch-demo-bg: #e2e8f0;
  --sketch-demo-ink: #64748b;
}

.mini-sketch-demo-svg {
  width: 100%;
  height: auto;
  display: block;
}

.mini-alerts-demo {
  list-style: none;
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mini-alerts-demo li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.45rem;
  align-items: center;
  font-size: 0.75rem;
  padding: 0.4rem 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.mini-alerts-demo time {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.mini-alerts-demo-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
}

.mini-alerts-demo-dot--new {
  background: var(--accent);
  box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.25);
}

/* Hero preview tabs */
.hero-preview-panels {
  position: relative;
  min-height: 240px;
}

.hero-preview-panel.timeline-page,
.hero-preview-panel.timer-page,
.hero-preview-panel.shoutbox-panel {
  gap: 0.45rem;
}

.hero-preview-panel .timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.hero-preview-panel {
  display: none;
}

.hero-preview-panel.is-active {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.hero-preview-panel[hidden] {
  display: none !important;
}

.hero-preview-resource-header {
  flex-shrink: 0;
  margin-bottom: 0.5rem;
}

.hero-preview-resource-header h2 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
}

#heroPreviewMock .sidebar {
  overflow-y: auto;
  overscroll-behavior: contain;
  max-height: 100%;
}

#heroPreviewMock .tab-btn {
  padding: 0.42rem 0.48rem;
  font-size: 0.68rem;
}

#heroPreviewMock .tab-label {
  line-height: 1.2;
}

.hero-preview-panel .mini-table-demo,
.hero-preview-note-demo,
.hero-preview-sketch-demo {
  margin-top: 0;
  flex: 1;
  min-height: 0;
}

.hero-preview-sketch-demo {
  display: flex;
  flex-direction: column;
  min-height: 8rem;
}

.intercom-demo--hero {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  gap: 0.4rem;
  align-items: stretch;
}

.intercom-demo--hero .shoutbox-header {
  margin-bottom: 0;
}

.intercom-demo--hero .channel-section {
  margin-bottom: 0.45rem;
}

.intercom-demo--hero .channel-chip {
  padding: 0.32rem 0.55rem;
  font-size: 0.68rem;
}

.intercom-demo--hero .channel-add-btn {
  width: 1.75rem;
  height: 1.75rem;
}

.intercom-demo--hero .audio-devices {
  padding: 0.5rem 0.55rem;
  margin-bottom: 0.4rem;
  grid-template-columns: 1fr;
  gap: 0.4rem;
}

.intercom-demo--hero .intercom-status {
  min-height: 0;
  margin-bottom: 0.25rem;
}

.intercom-demo--hero .intercom-channel-badge {
  font-size: 0.72rem;
}

.intercom-demo--hero .ptt-wrap {
  margin: 0.25rem 0 0.15rem;
}

.intercom-demo--hero .ptt-button {
  max-width: 9.25rem;
  max-height: 9.25rem;
  padding: 0.65rem;
  border-width: 3px;
}

.intercom-demo--hero .ptt-label {
  font-size: 0.62rem;
  line-height: 1.2;
  text-align: center;
}

.intercom-demo--hero .ptt-icon svg {
  width: 24px;
  height: 24px;
}

.timeline-demo--hero {
  margin-top: 0;
  flex: 0 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.timeline-demo--hero .timeline-demo-scroll {
  flex: none;
  overflow: hidden;
  max-height: none;
  padding: 0.4rem 0.45rem;
  gap: 0.3rem;
}

.timeline-demo--hero .timeline-demo-axis {
  height: 0.95rem;
}

.timeline-demo--hero .timeline-demo-tick {
  top: 0.08rem;
  font-size: 0.55rem;
}

.timeline-demo--hero .timeline-demo-tick::before {
  top: 0.62rem;
  height: 0.22rem;
}

.timeline-demo--hero .timeline-demo-lanes {
  gap: 0.28rem;
}

.timeline-demo--hero .timeline-demo-lane {
  padding: 0.3rem 0.38rem;
  gap: 0.2rem;
}

.timeline-demo--hero .timeline-demo-lane-head h3 {
  font-size: 0.66rem;
  line-height: 1.15;
}

.timeline-demo--hero .timeline-demo-track {
  min-height: 2.05rem;
  border-radius: 8px;
  overflow: hidden;
}

.timeline-demo--hero .timeline-demo-event {
  top: 0.12rem;
  height: calc(100% - 0.24rem);
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 0.05rem;
  min-height: 0;
  min-width: 0;
  padding: 0.14rem 0.28rem;
  overflow: hidden;
  box-sizing: border-box;
}

.timeline-demo--hero .timeline-demo-event-time {
  font-size: 0.48rem;
  line-height: 1.1;
  flex-shrink: 1;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timeline-demo--hero .timeline-demo-event strong {
  font-size: 0.5rem;
  line-height: 1.1;
  flex: 1 1 auto;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-preview-panel.timeline-page {
  overflow: hidden;
}

.timer-demo--hero {
  margin-top: 0;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.timer-demo--hero .timer-demo-display {
  font-size: clamp(1.85rem, 6vw, 2.35rem);
  padding: 0.65rem 0.5rem;
  color: var(--text);
}

#heroPreviewTabs .tab-btn {
  cursor: pointer;
}

#heroPreviewMock:focus-within #heroPreviewTabs .tab-btn.active {
  outline: none;
}

/* Host app section */
.host-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* EventNET Host desktop mock (desktop-electron/index.html) */
.host-app-mock {
  display: flex;
  justify-content: center;
  width: 100%;
}

.en-host-mock-frame {
  width: 100%;
  max-width: 440px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--border),
    var(--shadow);
}

.host-app-mock .host {
  --host-bg: var(--bg);
  --host-bg-elevated: var(--bg-elevated);
  --host-bg-card: var(--bg-card);
  --host-bg-hover: var(--bg-hover);
  --host-bg-input: var(--bg-input);
  --host-border: var(--border);
  --host-text: var(--text);
  --host-text-muted: var(--text-muted);
  --host-accent: var(--accent);
  --host-accent-hover: var(--accent-hover);
  --host-accent-glow: var(--accent-glow);
  --host-btn-on-accent: var(--btn-on-accent);
  --host-success: var(--success);
  --host-danger: var(--danger);
  --host-radius: 10px;
  --host-radius-lg: 12px;
  --host-shadow: var(--shadow);

  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 0.9rem 1rem 1rem;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--host-text);
  background: var(--host-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--body-gradient-1), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, var(--body-gradient-2), transparent);
}

.host-app-mock .host-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.65rem;
}

.host-app-mock .host-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}

.host-app-mock .host-brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--host-accent) 0%, var(--host-accent-hover) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--host-btn-on-accent);
  box-shadow: 0 6px 18px var(--host-accent-glow);
  flex-shrink: 0;
}

.host-app-mock .host-brand-text h1 {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--host-text);
  margin: 0;
}

.host-app-mock .host-brand-text h1 span {
  color: var(--host-accent);
}

.host-app-mock .host-brand-text p {
  font-size: 0.68rem;
  color: var(--host-text-muted);
  margin: 0.12rem 0 0;
  line-height: 1.35;
}

.host-app-mock .status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--host-border);
  background: var(--host-bg-card);
  color: var(--host-text-muted);
  flex-shrink: 0;
  white-space: nowrap;
}

.host-app-mock .status-pill::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.85;
}

.host-app-mock .status-pill[data-state='running'] {
  color: var(--host-success);
  border-color: rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.08);
}

.host-app-mock .host-main {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.host-app-mock .panel {
  background: var(--host-bg-card);
  border: 1px solid var(--host-border);
  border-radius: var(--host-radius-lg);
  box-shadow: var(--host-shadow);
}

.host-app-mock .panel-head {
  padding: 0.75rem 0.9rem 0.35rem;
}

.host-app-mock .panel-head h2 {
  font-size: 0.88rem;
  font-weight: 700;
  margin: 0 0 0.2rem;
  color: var(--host-text);
}

.host-app-mock .panel-head p {
  font-size: 0.72rem;
  color: var(--host-text-muted);
  line-height: 1.4;
  margin: 0;
}

.host-app-mock .host-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.5rem 0.9rem 0.55rem;
}

.host-app-mock .host-actions .mock-btn {
  font: inherit;
  font-weight: 600;
  font-size: 0.72rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--host-radius);
  border: none;
  cursor: default;
  pointer-events: none;
  display: inline-block;
}

.host-app-mock .mock-btn.primary {
  background: linear-gradient(135deg, var(--host-accent) 0%, var(--host-accent-hover) 100%);
  color: var(--host-btn-on-accent);
  opacity: 0.45;
}

.host-app-mock .mock-btn.danger {
  background: var(--host-danger);
  color: #fff;
}

.host-app-mock .mock-btn.secondary {
  background: var(--host-bg-hover);
  color: var(--host-text);
  border: 1px solid var(--host-border);
}

.host-app-mock .host-urls {
  padding: 0 0.9rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.host-app-mock .host-url-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.host-app-mock .host-url-label {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--host-text-muted);
}

.host-app-mock .host-url-row--crew .host-url-label {
  color: var(--host-accent);
}

.host-app-mock .host-url-row code {
  font-family: Consolas, ui-monospace, Menlo, monospace;
  font-size: 0.72rem;
  color: var(--host-accent);
  background: var(--host-bg-input);
  border: 1px solid var(--host-border);
  border-radius: var(--host-radius);
  padding: 0.28rem 0.45rem;
  width: fit-content;
  max-width: 100%;
  word-break: break-all;
}

.host-app-mock .host-url-row--local code {
  color: var(--host-text);
}

.host-app-mock .host-url-hint {
  font-size: 0.65rem;
  color: var(--host-text-muted);
  line-height: 1.4;
  opacity: 0.9;
  margin: 0;
}

.host-app-mock .host-log-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.host-app-mock .host-log-panel .panel-head {
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--host-border);
}

.host-app-mock .en-host-mock-logs {
  margin: 0;
  padding: 0.55rem 0.9rem 0.65rem;
  font-family: Consolas, ui-monospace, Menlo, monospace;
  font-size: 0.65rem;
  line-height: 1.45;
  color: var(--host-text-muted);
  white-space: pre-wrap;
  word-break: break-word;
  background: transparent;
  border: none;
}

.feature-icon--cyan {
  background: rgba(45, 212, 191, 0.12);
  color: var(--accent);
}

/* Timer feature mock – matches client Timer.tsx */
.timer-demo {
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.timer-demo-layout-preview {
  display: flex;
  justify-content: flex-end;
  padding: 0.35rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.timer-demo-chip {
  font-size: 0.72rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-hover);
  color: var(--text);
}

.timer-demo-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 0.75rem 0.85rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.timer-demo-panel-title {
  font-size: 0.88rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}

.timer-demo-display {
  font-size: clamp(2rem, 8vw, 2.75rem);
  line-height: 1;
  letter-spacing: 0.05em;
  font-weight: 800;
  text-align: center;
  padding: 0.75rem 0.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.timer-demo-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}

.timer-demo-field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.timer-demo-field span {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.timer-demo-field em {
  font-style: normal;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-input, var(--bg-elevated));
  color: var(--text);
}

.timer-demo-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.timer-demo-btn {
  flex: 1;
  min-width: 0;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.45rem 0.5rem;
  border-radius: var(--radius);
  pointer-events: none;
}

.timer-demo-btn--primary {
  background: var(--accent);
  color: var(--btn-on-accent);
  border: none;
}

.timer-demo-btn--secondary {
  background: var(--bg-hover);
  color: var(--text);
  border: 1px solid var(--border);
}

/* Mobile section */
.mobile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.check-list {
  list-style: none;
  margin-top: 1.5rem;
}

.check-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.85rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.phone-mock {
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: 240px;
  background: color-mix(in srgb, var(--border) 35%, var(--bg));
  border-radius: 32px;
  padding: 12px;
  border: 3px solid var(--border);
  box-shadow: var(--shadow);
}

.phone-notch {
  width: 80px;
  height: 6px;
  background: var(--border);
  border-radius: 999px;
  margin: 0 auto 8px;
}

.phone-screen {
  background: var(--bg-card);
  border-radius: 22px;
  overflow: hidden;
  min-height: 380px;
  display: flex;
  flex-direction: column;
}

.phone-header {
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
}

.phone-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.phone-tabs span {
  flex: 1;
  text-align: center;
  font-size: 0.62rem;
  font-weight: 600;
  padding: 0.35rem;
  border-radius: 6px;
  color: var(--text-muted);
}

.phone-tabs span.active {
  background: var(--accent);
  color: var(--btn-on-accent);
}

.phone-chat {
  flex: 1;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.phone-msg {
  font-size: 0.68rem;
  padding: 0.45rem 0.6rem;
  background: var(--bg-hover);
  border-radius: 8px;
  max-width: 85%;
}

.phone-msg.own {
  align-self: flex-end;
  background: rgba(45, 212, 191, 0.15);
}

.phone-composer {
  display: flex;
  gap: 0.5rem;
  padding: 0.65rem;
  border-top: 1px solid var(--border);
  align-items: center;
}

.phone-composer span {
  flex: 1;
  font-size: 0.68rem;
  color: var(--text-muted);
  background: var(--bg-input, var(--bg-elevated));
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.phone-composer button {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: var(--btn-on-accent);
  font-weight: 700;
  cursor: default;
}

/* CTA */
.section--cta {
  padding-bottom: 5rem;
}

.cta-box {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
  padding: 3rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.cta-box h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

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

.cta-host-file {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 0.25rem;
  padding: 1rem 1.15rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: left;
}

.cta-host-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, #0d9488 100%);
  color: var(--btn-on-accent);
  font-weight: 800;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cta-host-meta {
  min-width: 0;
}

.cta-host-meta strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.cta-host-meta span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.copy-btn {
  background: var(--accent);
  color: var(--btn-on-accent);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.2s;
}

.copy-btn:hover {
  background: var(--accent-hover);
}

.copy-btn.copied {
  background: var(--success);
}

.cta-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  max-width: 100%;
  overflow-x: clip;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.site-footer > p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.65rem 1.1rem;
  margin-top: 0.85rem;
}

.footer-legal-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.footer-legal-btn:hover {
  color: var(--accent);
}

.footer-copy {
  margin-top: 1rem;
  font-size: 0.75rem !important;
  opacity: 0.7;
}

/* Legal modals (Impressum / Datenschutz) */
.legal-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: color-mix(in srgb, var(--bg) 25%, rgba(0, 0, 0, 0.72));
  backdrop-filter: blur(4px);
}

.legal-modal[hidden] {
  display: none;
}

.legal-modal-dialog {
  width: min(720px, 100%);
  max-height: min(82vh, 640px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
}

.legal-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-elevated));
  flex-shrink: 0;
}

.legal-modal-header h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.legal-modal-close {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

.legal-modal-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.legal-modal-body {
  padding: 1rem 1.1rem 1.15rem;
  overflow-y: auto;
  text-align: left;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-hover);
}

.legal-modal-body p {
  margin: 0 0 0.75rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.legal-modal-body p:last-child {
  margin-bottom: 0;
}

.legal-modal-body strong {
  color: var(--text);
}

.legal-modal-body a {
  color: var(--accent);
}

.legal-modal-body a:hover {
  color: var(--accent-hover);
}

.legal-modal-body code {
  font-size: 0.82em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: var(--bg-hover);
  color: var(--text);
}

/* Responsive */
@media (max-width: 900px) {
  .how-layout {
    grid-template-columns: 1fr;
  }

  .flow-diagram {
    order: -1;
  }

  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: auto;
    padding-top: 2.5rem;
    padding-bottom: 2rem;
  }

  .hero-tagline {
    margin-left: auto;
    margin-right: auto;
  }

  .badges,
  .hero-cta {
    justify-content: center;
  }

  .hero-preview {
    order: -1;
    max-width: min(100%, 520px);
    margin-inline: auto;
  }

  .hero-preview .en-mock--desktop {
    max-width: 100%;
  }

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

  .feature-row--duo,
  .feature-row--triple {
    grid-template-columns: 1fr;
  }

  .feature-split,
  .mobile-grid,
  .host-grid {
    grid-template-columns: 1fr;
  }

  .mobile-grid .phone-mock {
    order: -1;
  }

  .host-grid .host-app-mock {
    order: -1;
  }

  .en-host-mock-frame {
    max-width: 100%;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .section-head {
    margin-bottom: 2rem;
  }
}

@media (min-width: 721px) {
  .site-nav {
    position: static;
    transform: none;
    visibility: visible;
    pointer-events: auto;
    width: auto;
    height: auto;
    padding: 0;
    border: none;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    overflow: visible;
  }

  .nav-toggle {
    display: none;
  }
}

@media (max-width: 720px) {
  :root,
  [data-theme='dark'],
  [data-theme='light'] {
    --site-header-offset: calc(env(safe-area-inset-top, 0px) + 4.5rem);
  }

  body:not(.nav-open) {
    touch-action: pan-y pinch-zoom;
  }

  body.nav-open::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 250;
    background: rgba(8, 12, 20, 0.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    pointer-events: none;
  }

  .stats,
  .host-grid,
  .mobile-grid {
    max-width: 100%;
    min-width: 0;
  }

  .site-chrome {
    display: contents;
  }

  .site-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 302;
    padding: 0.7rem 1rem;
    padding-top: max(0.7rem, env(safe-area-inset-top, 0px));
    background: var(--chrome-bg-solid);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    max-width: 100%;
  }

  .brand,
  .header-actions,
  .site-nav {
    grid-column: auto;
    grid-row: auto;
    justify-self: auto;
  }

  .header-actions {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
  }

  .hero,
  .hero-preview,
  .hero-preview .en-mock {
    position: relative;
    z-index: 0;
  }

  .brand {
    font-size: 1rem;
    min-width: 0;
  }

  .brand-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav-toggle {
    display: flex;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }

  .lang-toggle {
    min-height: 44px;
    min-width: 44px;
  }

  .site-nav {
    position: fixed;
    top: 0;
    left: auto;
    right: 0;
    bottom: 0;
    width: min(18rem, 100%);
    flex-direction: column;
    align-items: stretch;
    background: rgba(8, 12, 20, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-left: 1px solid var(--border);
    padding: 1rem 1.25rem 2rem;
    padding-top: calc(3.5rem + env(safe-area-inset-top, 0px));
    padding-bottom: max(2rem, env(safe-area-inset-bottom, 0px));
    gap: 0.35rem;
    transform: translate3d(100%, 0, 0);
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.28s ease, visibility 0.28s;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 301;
  }

  .site-nav a {
    display: block;
    padding: 0.85rem 0.75rem;
    font-size: 1rem;
    border-radius: var(--radius);
  }

  .site-nav a:active,
  .site-nav a:hover {
    background: var(--bg-hover);
  }

  .site-nav.open {
    transform: translate3d(0, 0, 0);
    visibility: visible;
    pointer-events: auto;
  }

  .site-nav a {
    color: var(--text);
  }

  .feature-card--wide {
    grid-column: auto;
  }

  .hero {
    padding: 1.75rem 1rem 1.5rem;
    gap: 1.75rem;
  }

  .hero h1 {
    font-size: clamp(1.85rem, 8vw, 2.5rem);
  }

  .hero-tagline {
    font-size: 0.95rem;
  }

  .hero-cta .btn {
    flex: 1 1 auto;
    min-width: min(100%, 14rem);
  }

  .stats {
    padding: 0 1rem;
    gap: 0.75rem;
  }

  .stat {
    padding: 1.15rem 0.75rem;
  }

  .stat strong {
    font-size: 1.65rem;
  }

  .section {
    padding: 2.5rem 1rem;
  }

  .section--alt {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .host-grid {
    padding: 0 1rem;
    gap: 2rem;
  }

  .feature-card {
    padding: 1.25rem;
  }

  .feature-card:hover {
    transform: none;
  }

  .steps li {
    gap: 1rem;
  }

  .step-num {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .feature-card--timeline {
    overflow-x: clip;
  }

  .timeline-demo-axis,
  .timeline-demo-track {
    min-width: 260px;
  }

  .timer-demo-actions {
    flex-direction: column;
  }

  .timer-demo-btn {
    flex: none;
    width: 100%;
  }

  .cta-box {
    padding: 2rem 1.25rem;
    margin-inline: 0;
  }

  .cta-host-file {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    width: 100%;
  }

  .cta-host-meta {
    text-align: center;
  }

  .site-footer {
    padding-bottom: max(2.5rem, env(safe-area-inset-bottom, 0px));
  }

  .phone-mock .en-mock--mobile {
    width: min(100%, 300px);
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .hero-cta .btn {
    width: 100%;
    min-width: 0;
  }

  .badges {
    justify-content: center;
  }

  .badge {
    font-size: 0.62rem;
    padding: 0.3rem 0.65rem;
  }

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

  .stat strong {
    font-size: 1.5rem;
  }

  .section-head h2 {
    font-size: 1.5rem;
  }

  .section-desc {
    font-size: 0.95rem;
  }

  .host-app-mock .host-actions .mock-btn {
    flex: 1 1 calc(50% - 0.2rem);
    text-align: center;
    min-width: 0;
  }

  .host-app-mock .host-brand-text p {
    display: none;
  }

  .host-app-mock .host-top {
    flex-wrap: wrap;
  }

  .check-list li {
    font-size: 0.9rem;
    padding-left: 1.5rem;
  }
}

@media (hover: none) and (pointer: coarse) {
  .feature-card:hover {
    transform: none;
    border-color: var(--border);
  }

  .btn-primary:hover,
  .btn-secondary:hover {
    transform: none;
  }
}