.scene { display: none; opacity: 1; transform: none; pointer-events: none; transition: none; }
.scene.is-active { display: block; pointer-events: auto; animation: scene-enter .32s cubic-bezier(.2,.8,.2,1) both; }
@keyframes scene-enter {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 1050px) {
  .nav-links { display: none; }
  .menu { display: inline-grid; place-items: center; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .hero-copy { min-width: 0; text-align: center; }
  .hero-lead, .proof-row { margin-left: auto; margin-right: auto; }
  .hero-actions, .quick-grid { justify-content: center; }
  .phone-wrap { min-height: 760px; }
  .use-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .use-card.primary { grid-row: auto; grid-column: 1 / 3; min-height: 470px; }
  .use-card.wide { grid-column: 1 / 3; }
  .venue-grid { grid-template-columns: repeat(3,1fr); }
  .stack-grid { grid-template-columns: 1fr; }
  .stack-intro { min-height: 390px; }
  .download-card { grid-template-columns: 1fr 330px; padding: 48px; }
  .footer-grid { grid-template-columns: 1.5fr repeat(2,1fr); }
}

@media (max-width: 740px) {
  html, body { width: 100%; max-width: 100%; overflow-x: clip; }
  .shell { width: calc(100% - 24px); max-width: 1240px; }
  .nav { top: 8px; }
  .nav-inner { height: 58px; min-width: 0; border-radius: 18px; padding: 0 9px 0 12px; gap: 10px; }
  .brand { min-width: 0; gap: 8px; font-size: 18px; }
  .brand img { width: 32px; height: 32px; flex: 0 0 auto; }
  .brand small, .live-pill, .nav-actions .button-light { display: none; }
  .nav-actions { flex: 0 0 auto; }
  .nav-actions .button-dark { min-height: 40px; padding: 0 12px; font-size: 11px; white-space: nowrap; }
  .menu { display: none; }

  .hero { min-height: auto; padding: 98px 0 64px; overflow: clip; }
  .hero::before { width: 520px; height: 520px; top: -190px; right: -260px; }
  .hero::after { width: 380px; height: 380px; left: -240px; bottom: -170px; }
  .hero-grid { width: 100%; gap: 46px; }
  .hero-copy { width: 100%; min-width: 0; }
  .eyebrow { max-width: 100%; justify-content: center; white-space: normal; text-align: center; line-height: 1.35; padding: 8px 12px; }
  h1 { width: 100%; max-width: 100%; margin: 22px auto 18px; font-size: clamp(42px, 12.5vw, 58px); line-height: .96; letter-spacing: -.062em; text-wrap: balance; overflow-wrap: normal; }
  h1 .serif { font-size: 1em; }
  .hero-lead { max-width: 36rem; font-size: 16px; line-height: 1.55; text-wrap: pretty; }
  .hero-actions { margin-top: 24px; }
  .hero-actions .button { width: 100%; min-height: 52px; }
  .quick-label { margin: 30px 0 12px; }
  .quick-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; overflow: visible; padding-bottom: 0; }
  .quick { width: 100%; min-width: 0; min-height: 42px; justify-content: center; padding: 0 9px; font-size: 11px; white-space: nowrap; overflow: hidden; }
  .quick:hover, .quick.is-active { transform: none; }
  .proof-row { grid-template-columns: 1fr 1fr; gap: 0 16px; width: 100%; max-width: 100%; margin-top: 28px; }
  .proof { min-width: 0; padding: 14px 4px 16px; border-bottom: 1px solid var(--line-strong); }
  .proof strong { font-size: 15px; }
  .proof span { display: block; font-size: 10px; line-height: 1.35; }

  .phone-wrap { width: 100%; min-height: 700px; margin: 12px 0 0; transform: none; overflow: visible; }
  .phone { width: min(340px, calc(100vw - 36px)); height: 680px; transform: none !important; }
  .orbit { width: 520px; height: 520px; }
  .floating-receipt { display: none; }
  .scene { padding-inline: 14px; }

  .section { padding: 84px 0; }
  .section-head { grid-template-columns: 1fr; gap: 12px; }
  .section-copy { grid-column: 1; margin-top: 0; font-size: 15px; }
  .section-title { font-size: 46px; }
  .use-grid { display: grid; grid-template-columns: 1fr; }
  .use-card, .use-card.primary, .use-card.wide { grid-column: auto; min-height: 320px; }
  .use-card.primary { min-height: 480px; }
  .venue-grid { grid-template-columns: 1fr 1fr; }
  .chain-strip { grid-template-columns: 1fr; }
  .stack-list { grid-template-columns: 1fr; }
  .how { grid-template-columns: 1fr 1fr; gap: 28px 12px; }
  .how-step::before { margin-bottom: 34px; }
  .download { padding: 70px 0; }
  .download-card { grid-template-columns: 1fr; padding: 38px 24px; border-radius: 28px; }
  .download-phone { order: -1; width: 250px; height: 400px; }
  .download-card h2 { font-size: 52px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / 3; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 430px) {
  .shell { width: calc(100% - 20px); }
  .nav-inner { padding-left: 10px; }
  .brand { font-size: 17px; }
  .nav-actions .button-dark { min-height: 38px; padding: 0 10px; font-size: 10px; }
  .hero { padding-top: 92px; }
  h1 { font-size: clamp(40px, 12vw, 52px); line-height: .98; }
  .hero-lead { font-size: 15px; }
  .quick { font-size: 10px; padding-inline: 7px; }
  .proof-row { gap: 0 12px; }
  .phone-wrap { min-height: 660px; margin-top: 18px; }
  .phone { width: min(320px, calc(100vw - 28px)); height: 640px; border-radius: 48px; }
  .phone-screen { border-radius: 40px; }
  .scenes { height: 480px; }
  .orbit { width: 440px; height: 440px; }
  .orbit-dot { display: none; }
  .venue-grid { grid-template-columns: 1fr; }
  .how { grid-template-columns: 1fr; }
  .how-step { min-height: 170px; }
  .how-step::before { margin-bottom: 26px; }
}

@media (max-width: 360px) {
  .brand img { width: 30px; height: 30px; }
  .brand { font-size: 16px; }
  .nav-actions .button-dark { padding-inline: 9px; font-size: 9.5px; }
  .eyebrow { font-size: 8.5px; }
  h1 { font-size: 40px; }
  .quick-grid { grid-template-columns: 1fr; }
  .phone { width: calc(100vw - 24px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .scene.is-active { animation: none; }
}