.wa-container { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
main { overflow: clip; }
main [id] { scroll-margin-top: 110px; }
:focus-visible { outline: 2px solid var(--copper-light); outline-offset: 5px; }
.skip-link { position: fixed; top: -100px; left: 24px; z-index: 10000; padding: 12px 20px; background: var(--copper); color: var(--bg); }
.skip-link:focus { top: 12px; }
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--copper-light); }
.wa-hero { display: grid; grid-template-columns: 1.12fr 1fr; gap: 64px; align-items: center; padding-block: 72px 56px; }
.hero-copy > .eyebrow { margin-bottom: 24px; }
.wa-hero h1 { font-size: clamp(42px, 4.65vw, 67px); font-weight: 700; line-height: 1.04; letter-spacing: -.045em; text-wrap: balance; }
h1 span, h2 span { color: var(--copper-light); }
.hero-sub { margin-top: 24px; max-width: 520px; font-size: 19px; line-height: 1.65; color: var(--text-secondary); }
.hero-benefits { list-style: none; margin: 24px 0 30px; }
.hero-benefits li { display: flex; gap: 10px; margin-top: 10px; font-size: 14px; }
.hero-benefits li::before { content: '✓'; color: var(--copper-light); }
.hero-price { margin-bottom: 16px; color: var(--copper-light); font-size: 12px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.btn-primary, .btn-secondary { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 48px; padding: 13px 23px; border-radius: 999px; font-size: 14px; font-weight: 600; text-align: center; }
.btn-primary { background: var(--copper); color: var(--bg); border: 1px solid var(--copper); }
.btn-primary:hover { background: var(--copper-light); border-color: var(--copper-light); }
.btn-secondary { border: 1px solid rgba(193,127,89,.4); color: var(--copper-light); }
.btn-secondary:hover { background: rgba(193,127,89,.12); }
.text-link { display: inline-flex; gap: 8px; align-items: center; min-height: 44px; color: var(--copper-light); font-size: 14px; text-decoration: underline; text-underline-offset: 5px; }
.hero-reassure { margin-top: 18px; font-size: 12px; line-height: 1.7; color: var(--text-secondary); }
.chat-preview { min-width: 0; }
.chat-preview figcaption { display: flex; justify-content: space-between; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 16px; }
.chat-preview figcaption .eyebrow { font-size: 10px; letter-spacing: .1em; }
.example-label { font-size: 10px; color: var(--text-secondary); border: 1px solid rgba(245,245,247,.16); border-radius: 999px; padding: 4px 8px; }
.chat-window { background: #0b141a; border: 1px solid rgba(245,245,247,.14); border-radius: 20px; overflow: hidden; box-shadow: 0 24px 70px rgba(0,0,0,.3); }
.chat-head { display: flex; align-items: center; gap: 12px; padding: 18px 20px; background: #202c33; }
.chat-avatar { display: grid; place-items: center; flex: 0 0 40px; height: 40px; border: 1px solid rgba(37,211,102,.4); border-radius: 50%; color: #25d366; font-size: 20px; }
.chat-head strong { display: block; font-size: 13px; font-weight: 600; }
.chat-head div > span { display: block; margin-top: 3px; font-size: 11px; color: rgba(245,245,247,.66); }
.chat-head svg { margin-left: auto; width: 22px; flex-shrink: 0; color: #25d366; }
.chat-messages { display: flex; flex-direction: column; gap: 12px; padding: 20px; }
.chat-time { text-align: center; font-size: 10px; color: rgba(245,245,247,.65); margin: 0 0 6px; }
.bubble { max-width: 85%; padding: 10px 14px; font-size: 13px; line-height: 1.55; border-radius: 12px; }
.bubble.customer { align-self: flex-start; background: #202c33; border-top-left-radius: 2px; }
.bubble.donna { align-self: flex-end; background: #005c4b; border-top-right-radius: 2px; }
.read-ticks { display: block; text-align: right; color: #34b7f1; font-size: 11px; line-height: 1; margin-top: 5px; }
.booking-result { margin: 0 20px 20px; display: flex; gap: 12px; align-items: center; border: 1px solid rgba(37,211,102,.28); border-radius: 12px; padding: 14px; background: rgba(37,211,102,.05); }
.result-icon { color: #25d366; font-size: 20px; }
.booking-result strong { display: block; font-size: 13px; color: #25d366; }
.booking-result div > span { display: block; font-size: 10px; margin-top: 3px; color: rgba(245,245,247,.7); }
.example-note { margin: 12px 8px 0; color: var(--text-secondary); font-size: 11px; line-height: 1.6; }
.channel-strip { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px 24px; align-items: center; padding-block: 24px; border-block: 1px solid rgba(245,245,247,.1); font-size: 14px; color: var(--text-secondary); }
.channel-strip > span:first-child { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.channel-strip strong { color: var(--text-primary); font-weight: 500; }
.wa-section { padding-block: 100px; }
.section-heading { max-width: 640px; margin-bottom: 40px; }
.section-heading h2, .wa-cta h2 { margin-top: 16px; font-size: clamp(32px, 3.6vw, 48px); line-height: 1.1; letter-spacing: -.035em; text-wrap: balance; }
.section-heading > p:not(.eyebrow) { margin-top: 20px; font-size: 16px; line-height: 1.7; color: var(--text-secondary); }
.section-heading.centered { text-align: center; margin-inline: auto; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.benefit-card { border-top: 1px solid rgba(193,127,89,.4); padding: 24px 16px 0 0; }
.card-number, .step-number { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--copper-light); }
.benefit-card h3 { font-size: 21px; line-height: 1.3; margin: 24px 0 14px; letter-spacing: -.02em; }
.benefit-card p, .setup-steps p, .usecase-grid p { font-size: 15px; line-height: 1.75; color: var(--text-secondary); }
.card-detail { display: block; margin-top: 24px; font-size: 12px; color: var(--copper-light); }
.pricing-section { border-top: 1px solid rgba(245,245,247,.1); }
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.price-card { display: flex; flex-direction: column; padding: 24px; border: 1px solid rgba(245,245,247,.14); border-radius: 12px; background: rgba(245,245,247,.02); }
.price-card.featured { border-color: var(--copper); background: linear-gradient(160deg, rgba(193,127,89,.16), rgba(193,127,89,.03)); }
.plan-label { font-size: 10px; font-weight: 600; color: var(--copper-light); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 24px; }
.price-card h3 { font-size: 22px; }
.price-for { font-size: 12px; color: var(--text-secondary); margin-top: 6px; }
.price-amt { font-size: 42px; font-weight: 600; letter-spacing: -.04em; margin-top: 24px; font-variant-numeric: tabular-nums; }
.price-amt > span { font-size: 12px; font-weight: 400; letter-spacing: 0; color: var(--text-secondary); }
.price-chats { padding-block: 20px; }
.price-chats strong { display: block; font-size: 14px; font-weight: 500; }
.price-chats > span { display: block; font-size: 11px; line-height: 1.5; color: var(--text-secondary); margin-top: 5px; }
.price-btn { width: 100%; padding-inline: 14px; margin-top: auto; }
.price-fit { margin-top: 16px; font-size: 12px; line-height: 1.7; color: var(--text-secondary); }
.plan-features { list-style: none; margin-bottom: 24px; font-size: 12px; line-height: 1.7; }
.plan-features li { display: flex; gap: 8px; margin-bottom: 8px; }
.plan-features li::before { content: '✓'; color: var(--copper-light); }
.price-note { max-width: 850px; margin: 24px auto 0; font-size: 12px; color: var(--text-secondary); line-height: 1.75; text-align: center; }
.price-guarantee { margin-top: 24px; text-align: center; font-size: 13px; color: var(--copper-light); line-height: 1.7; }
.setup-help { text-align: center; margin-top: 16px; font-size: 13px; color: var(--text-secondary); }
.setup-help a { color: var(--copper-light); text-decoration: underline; text-underline-offset: 4px; }
.setup-section, .faq-section { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; border-top: 1px solid rgba(245,245,247,.1); }
.setup-steps { list-style: none; }
.setup-steps li { display: flex; gap: 24px; padding: 24px 0; border-bottom: 1px solid rgba(245,245,247,.1); }
.setup-steps li:first-child { padding-top: 0; }
.step-number { padding-top: 4px; }
.setup-steps h3 { font-size: 19px; margin-bottom: 10px; }
.usecase-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 48px; }
.usecase-grid article { padding: 28px 0; border-top: 1px solid rgba(245,245,247,.1); }
.usecase-grid h3 { font-size: 22px; letter-spacing: -.02em; margin: 16px 0 12px; }
.faq-list details { border-bottom: 1px solid rgba(245,245,247,.12); }
.faq-list summary { position: relative; padding: 22px 36px 22px 0; font-size: 15px; font-weight: 500; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 4px; top: 19px; color: var(--copper-light); font-size: 22px; font-weight: 400; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list p { padding-bottom: 24px; font-size: 14px; color: var(--text-secondary); line-height: 1.8; }
.wa-cta { text-align: center; border: 1px solid rgba(193,127,89,.3); border-radius: 20px; padding: 64px 24px; margin-bottom: 80px; background: radial-gradient(ellipse at top, rgba(193,127,89,.12), transparent 75%); }
.wa-cta h2 { font-size: clamp(36px, 4.6vw, 60px); }
.wa-cta > p:not(.eyebrow):not(.hero-reassure) { margin: 24px 0; font-size: 16px; color: var(--text-secondary); }
.mobile-action { display: none; }
@media (max-width: 1100px) {
  .wa-hero { gap: 32px; }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .setup-section, .faq-section { gap: 40px; }
}
@media (max-width: 800px) {
  .wa-hero { grid-template-columns: 1fr; padding-block: 48px; gap: 48px; }
  .wa-hero h1 { max-width: 620px; font-size: clamp(42px, 7.5vw, 60px); }
  .hero-sub { max-width: 600px; }
  .chat-preview { width: 100%; max-width: 560px; margin-inline: auto; }
  .benefit-grid { grid-template-columns: 1fr; gap: 32px; }
  .benefit-card { padding-right: 0; }
  .benefit-card h3 { margin-top: 16px; }
  .card-detail { margin-top: 16px; }
  .setup-section, .faq-section { grid-template-columns: 1fr; gap: 0; }
  .wa-section { padding-block: 64px; }
}
@media (max-width: 560px) {
  body { padding-bottom: calc(88px + env(safe-area-inset-bottom)); }
  .wa-container { width: calc(100% - 40px); }
  .hero-sub { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 8px; }
  .hero-actions .btn-primary { width: 100%; }
  .hero-reassure { font-size: 11px; }
  .chat-head { padding: 16px; gap: 10px; }
  .chat-head strong { font-size: 11px; }
  .chat-messages { padding: 16px; }
  .bubble { font-size: 12px; max-width: 90%; }
  .booking-result { margin: 0 16px 16px; padding: 12px; }
  .channel-strip { gap: 16px 24px; font-size: 12px; }
  .channel-strip > span:first-child { flex-basis: 100%; }
  .price-grid, .usecase-grid { grid-template-columns: 1fr; }
  .price-card { padding: 24px; }
  .plan-label { margin-bottom: 16px; }
  .setup-help { line-height: 1.8; }
  .setup-help a { display: inline-block; }
  .wa-cta { padding: 48px 20px; margin-bottom: 48px; }
  .mobile-action { position: fixed; bottom: 0; left: 0; right: 0; z-index: 101; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 20px calc(12px + env(safe-area-inset-bottom)); background: var(--bg); border-top: 1px solid rgba(193,127,89,.35); }
  .mobile-action strong { display: block; font-size: 12px; font-weight: 500; }
  .mobile-action div > span { display: block; font-size: 11px; margin-top: 4px; color: var(--text-secondary); }
  .mobile-action .btn-primary { padding-inline: 20px; font-size: 13px; }
  body .wa-float { bottom: calc(96px + env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }