.landing-page {
  --demo-ink: #16231f;
  --demo-muted: #4a5a54;
  --demo-border: #dfe8e5;
  --demo-surface: #fbfdfc;
}

.landing-page ::selection { background: var(--wa-sent); color: var(--wa-teal-950); }
.landing-page section[id], .product-preview { scroll-margin-top: 100px; }
.landing-page .site-header {
  background: var(--wa-teal-900);
  border-bottom: 1px solid rgba(242, 246, 244, 0.14);
  backdrop-filter: none;
}
.landing-page .site-header .brand-word,
.landing-page .site-header .main-nav a,
.landing-page .site-header .header-login,
.landing-page .site-header .btn-ghost { color: var(--on-dark); }
.landing-page .site-header .brand-word em { color: var(--wa-green); }
.landing-page .site-header .brand-mark { background: var(--wa-green); color: var(--wa-teal-950); }
.landing-page .site-header .btn-ghost { border-color: rgba(242, 246, 244, 0.65); }
.landing-page .site-header .btn-ghost:hover { background: var(--wa-green); border-color: var(--wa-green); color: var(--wa-teal-950); }
.landing-page .site-header a:focus-visible,
.landing-page .hero-copy a:focus-visible { outline-color: var(--wa-green); }
.landing-page .header-inner { gap: 24px; }
.landing-page .main-nav { gap: 22px; font-size: 0.85rem; }
.landing-page .main-nav a, .landing-page .header-login { display: inline-flex; align-items: center; min-height: 44px; }
.landing-page .header-actions { gap: 20px; }
.landing-page .header-cta { padding-inline: 18px; font-size: 0.82rem; }
.landing-page .hero { min-height: auto; padding-block: 64px 72px; }
.landing-page .hero-bg::after { content: none; }
.landing-page .hero-grid { grid-template-columns: minmax(0, 0.87fr) minmax(0, 1.13fr); gap: 48px; align-items: start; }
.landing-page .hero-copy { padding-top: 48px; }
.landing-page h1 { font-size: clamp(2.6rem, 4.2vw, 4rem); line-height: 1.08; max-width: 14ch; letter-spacing: -0.025em; }
.landing-page .hero-sub { margin-top: 24px; font-size: 1.1rem; line-height: 1.7; max-width: 39ch; }
.landing-page .hero-actions { margin-top: 32px; gap: 12px 22px; }
.landing-page .hero-actions .btn { font-size: 0.9rem; }
.landing-page .hero-footnote { margin-top: 24px; padding: 0; border: 0; font-size: 0.875rem; max-width: 39ch; }
.landing-page .btn { border-radius: 10px; min-height: 48px; }
.landing-page .btn:hover { transform: none; }

.product-preview { min-width: 0; margin: 0; }
.product-preview figcaption { margin-top: 16px; text-align: center; color: var(--on-dark-soft); font-size: 0.75rem; line-height: 1.55; }
.demo {
  color: var(--demo-ink);
  background: var(--demo-surface);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 28px 60px -28px rgba(0, 0, 0, 0.5);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.5;
}
.demo-topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 20px; background: #102d28; color: #fbfdfc; }
.demo-logo { display: inline-flex; align-items: center; gap: 8px; font-size: 0.875rem; font-weight: 800; }
.demo-logo img { flex-shrink: 0; }
.demo-environment { color: #bdd0cb; font-size: 0.6875rem; text-align: right; }
.demo-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 8px 10px; gap: 4px; border-bottom: 1px solid var(--demo-border); background: #f4f7f6; }
.demo-tabs a { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; border-radius: 8px; color: var(--demo-muted); font-weight: 700; }
.demo-tabs a > span { font-size: 0.75rem; font-weight: 500; }
.demo-tabs a:hover { background: #e9efed; }
.demo-tabs a[aria-selected="true"] { background: var(--wa-teal-900); color: #fbfdfc; }
.demo a:focus-visible { outline: 3px solid var(--wa-teal-900); outline-offset: -3px; }
.demo-tabs a[aria-selected="true"]:focus-visible { outline-color: var(--wa-green); }
.demo-panel { display: flex; flex-direction: column; min-height: 432px; }
.demo-panel[hidden] { display: none; }
.demo-panel:focus-visible { outline: 3px solid var(--wa-teal-900); outline-offset: -3px; }
.demo-panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--demo-border); }
.demo-panel-heading h2 { font: 800 0.875rem/1.4 var(--font-body); color: var(--demo-ink); }
.demo-panel-heading p { margin-top: 3px; font-size: 0.6875rem; color: var(--demo-muted); }
.demo-person { display: flex; align-items: center; gap: 10px; }
.demo-person strong { display: block; font-size: 0.875rem; }
.demo-person div > span { display: block; font-size: 0.6875rem; color: var(--demo-muted); }
.demo-avatar { display: grid; place-items: center; width: 36px; height: 36px; flex-shrink: 0; border-radius: 50%; background: #e4f2ef; color: var(--wa-teal-900); font-size: 0.6875rem; font-weight: 800; }
.demo-status { flex-shrink: 0; padding: 4px 8px; border-radius: 6px; background: #e5f6eb; color: #24613b; font-size: 0.625rem; font-weight: 800; }
.demo-chat { display: flex; flex-direction: column; gap: 10px; padding: 18px 20px; background: #f4f7f6; flex: 1; }
.demo-message { max-width: 88%; padding: 9px 12px; border-radius: 10px; }
.demo-message-in { align-self: flex-start; background: #fff; border: 1px solid var(--demo-border); border-bottom-left-radius: 3px; }
.demo-message-out { align-self: flex-end; background: #e4f2ef; border-bottom-right-radius: 3px; }
.demo-message-author { display: block; margin-bottom: 3px; color: var(--demo-muted); font-size: 0.625rem; font-weight: 700; }
.demo-message p { font-size: 0.75rem; line-height: 1.55; text-wrap: pretty; }
.demo-panel-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 4px 12px; margin-top: auto; padding: 8px 20px; border-top: 1px solid var(--demo-border); }
.demo-panel-footer > span { font-size: 0.625rem; color: var(--demo-muted); }
.demo-panel-footer a { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-size: 0.6875rem; font-weight: 800; color: var(--wa-teal-900); text-decoration: underline; text-underline-offset: 3px; }
.demo-schedule, .demo-finance { padding: 20px; flex: 1; }
.demo-time { display: grid; grid-template-columns: 56px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--demo-border); }
.demo-time > span:first-child { font-size: 0.75rem; font-variant-numeric: tabular-nums; color: var(--demo-muted); }
.demo-slot-free { color: var(--demo-muted); font-size: 0.75rem; }
.demo-time-selected > div { background: #e4f2ef; border-radius: 8px; padding: 10px 12px; }
.demo-time-selected p { color: var(--demo-muted); margin-block: 3px; font-size: 0.6875rem; }
.demo-time-selected div > span { font-size: 0.625rem; color: var(--wa-teal-900); font-weight: 700; }
.demo-schedule-note { margin-top: 20px; color: var(--demo-muted); font-size: 0.6875rem; line-height: 1.6; }
.demo-schedule-note strong { color: var(--demo-ink); }
.demo-schedule-note p { margin-top: 5px; }
.demo-finance-context { color: var(--demo-muted); font-size: 0.6875rem; }
.demo-ledger { margin: 18px 0 0; }
.demo-ledger > div { display: flex; justify-content: space-between; gap: 16px; padding-block: 13px; border-bottom: 1px solid var(--demo-border); }
.demo-ledger dd { margin: 0; font-variant-numeric: tabular-nums; font-weight: 700; }
.demo-ledger-total { color: var(--wa-teal-900); font-weight: 800; }

.landing-page .stats { padding-block: 40px; }
.landing-page .stat { border-top: 0; padding-top: 0; }
.landing-page .stat-value { font-family: var(--font-body); font-size: 1rem; line-height: 1.5; font-weight: 800; }
.landing-page .stat p { margin-top: 8px; max-width: 29ch; font-size: 0.8125rem; }
.routine-section { padding-block: 88px; background: var(--bg-light-deep); }
.routine-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 96px; }
.routine-intro h2 { max-width: 16ch; font-size: var(--text-h2); line-height: 1.14; font-weight: 600; letter-spacing: -0.025em; }
.routine-intro > p { margin-top: 24px; color: var(--ink-soft); max-width: 36ch; }
.routine-link { display: inline-flex; align-items: center; gap: 12px; min-height: 48px; margin-top: 24px; font-size: 0.9rem; color: var(--wa-teal-900); font-weight: 800; text-decoration: underline; text-underline-offset: 4px; }
.routine-story { padding: 28px 0; border-top: 1px solid var(--line); }
.routine-story:first-child { padding-top: 0; border-top: 0; }
.routine-story:last-child { padding-bottom: 0; }
.routine-story h3 { font-family: var(--font-body); font-size: 1.15rem; line-height: 1.45; font-weight: 800; }
.routine-story p { margin-top: 12px; font-size: 0.95rem; color: var(--ink-soft); }
.routine-outcome { display: block; margin-top: 14px; color: var(--wa-teal-900); font-weight: 700; font-size: 0.8rem; }
.human-section { padding-block: 80px; background: var(--wa-teal-900); color: var(--on-dark); }
.human-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 88px; }
.human-section h2 { color: var(--on-dark); font-size: var(--text-h2); line-height: 1.15; letter-spacing: -0.025em; font-weight: 600; }
.human-copy p { color: var(--on-dark); line-height: 1.7; }
.human-copy p + p { margin-top: 20px; color: var(--on-dark-soft); font-size: 0.9375rem; }
.human-copy a { display: inline-flex; align-items: center; gap: 12px; min-height: 48px; margin-top: 20px; text-decoration: underline; text-underline-offset: 4px; font-size: 0.875rem; font-weight: 700; }
.human-copy a:focus-visible { outline-color: var(--wa-green); }
.audience-section { padding-block: 88px; }
.audience-section h2 { font-size: var(--text-h2); line-height: 1.15; letter-spacing: -0.025em; font-weight: 600; }
.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 40px; }
.audience-grid article { padding-top: 24px; border-top: 1px solid var(--line); }
.audience-grid h3 { font-family: var(--font-body); font-size: 1.125rem; font-weight: 800; }
.audience-grid p { margin-top: 14px; max-width: 50ch; color: var(--ink-soft); font-size: 0.95rem; }
.landing-page .how { padding-block: 72px 88px; border-top: 1px solid var(--line); }
.landing-page .how h2 { max-width: 24ch; }
.landing-page .step-number { color: var(--wa-teal-900); }
.landing-page .step h3 { font-family: var(--font-body); font-size: 1rem; font-weight: 800; }
.landing-page .step p { font-size: 0.9rem; }
.landing-page .faq { padding-block: 80px; }
.landing-page .faq h2 { max-width: none; }
.landing-page .faq-list { gap: 0; }
.landing-page .faq-item { background: transparent; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; padding: 6px 0; }
.landing-page .faq-item summary { font-size: 1rem; }
.landing-page .faq-item p { font-size: 0.9375rem; }
.landing-page .faq-item p a { text-decoration: underline; text-underline-offset: 3px; }
.landing-page .cta-final { padding-block: 72px; }
.landing-page .cta-final h2 { max-width: 24ch; line-height: 1.12; }
.landing-page .cta-final p { font-size: 1rem; }
.cta-channel { font-size: 0.8125rem; margin-top: 4px; }
.landing-page .footer-grid { grid-template-columns: 1.25fr 0.65fr 0.65fr 1.1fr; gap: 48px; }
.landing-page .footer-col > a { display: flex; align-items: center; min-height: 44px; width: fit-content; font-size: 0.8125rem; padding-block: 4px; }
.landing-page .footer-note { margin-bottom: 12px; }
.landing-page .footer-social-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 0.8125rem; padding-block: 4px; }
.landing-page .footer-brand p { max-width: 29ch; font-size: 0.875rem; }

@media (max-width: 1100px) {
  .landing-page .main-nav { display: none; }
  .landing-page .hero-grid { gap: 32px; }
  .landing-page .hero-actions { align-items: flex-start; flex-direction: column; }
  .routine-layout { gap: 48px; }
}
@media (max-width: 900px) {
  .landing-page .hero { padding-block: 48px; }
  .landing-page .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .landing-page .hero-copy { padding-top: 0; }
  .landing-page h1 { max-width: 18ch; font-size: 3.25rem; }
  .landing-page .hero-sub { max-width: 52ch; }
  .landing-page .hero-actions { flex-direction: row; align-items: center; }
  .product-preview { width: 100%; max-width: 640px; justify-self: center; }
  .routine-layout, .human-layout { grid-template-columns: 1fr; gap: 36px; }
  .routine-intro h2 { max-width: 23ch; }
  .routine-intro > p { max-width: 52ch; }
  .routine-link { margin-top: 16px; }
  .audience-grid { gap: 32px; }
  .landing-page .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .landing-page .footer-brand { grid-column: auto; }
}
@media (max-width: 560px) {
  .landing-page .wrap, .landing-page .wrap-narrow { width: calc(100% - 40px); }
  .landing-page .header-inner { gap: 16px; }
  .landing-page .header-login { padding-inline: 12px; font-size: 0.75rem; }
  .landing-page h1 { font-size: 2.6rem; }
  .landing-page .hero { padding-block: 36px 40px; }
  .landing-page .hero-sub { margin-top: 20px; font-size: 1rem; line-height: 1.65; }
  .landing-page .hero-actions { margin-top: 24px; gap: 8px; flex-direction: column; align-items: stretch; }
  .landing-page .hero-actions .btn-text { min-height: 44px; }
  .landing-page .hero-footnote { margin-top: 16px; font-size: 0.8125rem; }
  .demo-topbar { padding: 14px; gap: 8px; }
  .demo-environment { max-width: 18ch; font-size: 0.625rem; }
  .demo-tabs { padding-inline: 6px; }
  .demo-tabs a { gap: 5px; font-size: 0.6875rem; }
  .demo-tabs a > span { font-size: 0.625rem; }
  .demo-panel { min-height: 476px; }
  .demo-panel-heading { padding: 14px; }
  .demo-chat { padding: 14px; }
  .demo-message { max-width: 92%; padding: 10px; }
  .demo-schedule, .demo-finance { padding: 16px; }
  .demo-panel-footer { padding-inline: 14px; }
  .demo-panel-footer > span { max-width: 18ch; }
  .demo-time { grid-template-columns: 42px 1fr; gap: 10px; }
  .demo-ledger { font-size: 0.75rem; }
  .product-preview figcaption { font-size: 0.6875rem; }
  .landing-page .stats { padding-block: 32px; }
  .landing-page .stats-grid { gap: 28px 20px; }
  .landing-page .stat-value { font-size: 0.875rem; }
  .landing-page .stat p { font-size: 0.75rem; }
  .routine-section, .human-section, .audience-section, .landing-page .how, .landing-page .faq { padding-block: 56px; }
  .routine-intro h2, .human-section h2, .audience-section h2 { font-size: 2rem; }
  .audience-grid { grid-template-columns: 1fr; margin-top: 28px; }
  .landing-page .footer-grid { gap: 32px 24px; }
  .landing-page .footer-brand, .landing-page .footer-col:last-child { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: no-preference) {
  .demo[data-ready] .demo-panel:not([hidden]) { animation: demo-enter 180ms ease-out; }
  @keyframes demo-enter { from { opacity: 0.7; } to { opacity: 1; } }
}