@font-face { font-family: "YS Serif"; src: url("assets/brand/ys-wordmark.otf") format("opentype"); font-display: swap; font-weight: 200 900; }

/* Layers: header 10, QR 20, menu 30; dialogs use the browser top layer. */
:root { --site-gutter: clamp(20px, 4.5vw, 64px); --site-shadow: 0 24px 70px rgb(0 0 0 / .2); --phone-radius: 32px; --on-accent: #25221f; --header-fill: rgb(16 18 24 / .94); }
[data-theme="light"] { --on-accent: #fffaf2; --header-fill: rgb(244 238 229 / .96); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; min-width: 320px; background: var(--color-bg-primary); color: var(--color-text-primary); font-family: var(--font-family-body); font-size: 16px; line-height: 1.7; text-rendering: optimizeLegibility; }
body.menu-open, body.modal-open { overflow: hidden; }
button, input, textarea, select { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--color-border-focus); outline-offset: 5px; }
[hidden] { display: none !important; }
.shell { width: min(1200px, calc(100% - var(--site-gutter) * 2)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 40; top: 8px; left: 8px; padding: 10px 14px; background: var(--color-bg-secondary); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-weight: 550; }
h1 em, h2 em { color: var(--color-accent-primary); font-style: normal; font-weight: inherit; }
.eyebrow { margin: 0 0 22px; color: var(--color-text-link); font-size: 13px; letter-spacing: .12em; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 14px; padding: 0 24px; border: 1px solid transparent; border-radius: 12px; font-size: 14px; font-weight: 650; white-space: nowrap; cursor: pointer; transition: transform .2s ease, background-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button-primary { background: var(--color-accent-primary); color: var(--on-accent); }
.button-primary:hover { background: var(--color-accent-primary-hover); }
.button-outline { border-color: var(--color-border-primary); color: var(--color-text-primary); background: transparent; }
.button-outline:hover { border-color: var(--color-accent-primary); }
.text-link { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; color: var(--color-text-link); font-size: 14px; font-weight: 550; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }

/* Navigation remains in reach while reading installation instructions. */
.site-header { position: fixed; z-index: 10; inset: 0 0 auto; background: var(--header-fill); border-bottom: 1px solid var(--color-border-secondary); }
.nav-inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 20px; }
.brand, .footer-brand { display: inline-flex; align-items: center; gap: 10px; font-family: "YS Serif", serif; font-size: 23px; }
.brand img { width: 32px; height: 32px; }
.desktop-nav { display: flex; align-items: center; gap: clamp(18px, 2.6vw, 36px); margin-left: auto; margin-right: 20px; color: var(--color-text-secondary); font-size: 13px; }
.desktop-nav a { display: inline-flex; min-height: 44px; align-items: center; }
.desktop-nav a:hover { color: var(--color-text-primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle, .menu-button, .icon-button { display: inline-flex; min-height: 44px; min-width: 44px; align-items: center; justify-content: center; border: 1px solid var(--color-border-primary); border-radius: 12px; background: transparent; cursor: pointer; }
.theme-toggle { gap: 8px; padding: 0 12px; color: var(--color-text-secondary); font-size: 12px; }
.theme-toggle img, .menu-button img, .icon-button img { width: 20px; height: 20px; }
[data-theme="dark"] .theme-toggle img, [data-theme="dark"] .menu-button img, [data-theme="dark"] .icon-button img { filter: invert(.85); }
.theme-toggle:hover, .menu-button:hover, .icon-button:hover { border-color: var(--color-accent-primary); }
.nav-cta { display: inline-flex; min-height: 44px; align-items: center; gap: 14px; padding: 0 18px; border-radius: 12px; background: var(--color-accent-primary); color: var(--on-accent); font-size: 13px; font-weight: 650; white-space: nowrap; }
.nav-cta:hover { background: var(--color-accent-primary-hover); }
.menu-button { display: none; }
.mobile-menu { position: fixed; z-index: 30; inset: 0; visibility: hidden; opacity: 0; transition: opacity .2s ease, visibility .2s ease; }
.mobile-menu.is-open { visibility: visible; opacity: 1; }
.mobile-menu-backdrop { position: absolute; inset: 0; background: var(--color-surface-overlay); }
.mobile-menu-panel { position: absolute; top: 0; right: 0; bottom: 0; display: flex; width: min(92vw, 420px); flex-direction: column; padding: 24px; background: var(--color-bg-secondary); }
.mobile-menu-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 32px; }
.mobile-menu-kicker { color: var(--color-text-secondary); font-size: 12px; }
.mobile-nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a { display: flex; align-items: center; gap: 16px; padding: 16px 8px; border-bottom: 1px solid var(--color-border-secondary); font-size: 19px; }
.mobile-nav a span { color: var(--color-text-link); font-size: 12px; }
.mobile-menu-note { margin-top: auto; color: var(--color-text-secondary); font-size: 13px; }

/* A compact download hero, paired with actual app screenshots. */
.hero { position: relative; background: radial-gradient(ellipse at 82% 48%, rgb(232 167 92 / .065), transparent 52%), var(--color-bg-primary); }
.hero-grid { display: grid; grid-template-columns: 1.08fr 1fr; align-items: center; gap: 48px; min-height: min(780px, 100svh); padding-top: 100px; padding-bottom: 36px; }
.hero-copy { position: relative; z-index: 2; max-width: 560px; }
.hero-identity { display: flex; align-items: center; gap: 13px; margin-bottom: 25px; color: var(--color-text-primary); font-size: 16px; line-height: 1.5; }
.hero-identity img { width: 44px; height: 44px; border-radius: 12px; }
.hero-identity small { display: block; margin-top: 3px; color: var(--color-text-secondary); font-size: 11px; letter-spacing: .04em; }
.hero h1 { margin: 0 0 24px; font-size: clamp(64px, 6.8vw, 94px); font-weight: 500; line-height: 1.16; letter-spacing: -.065em; }
.hero-lede { margin-bottom: 30px; color: var(--color-text-secondary); font-size: clamp(16px, 1.5vw, 19px); line-height: 1.85; }
.hero-actions { display: flex; align-items: flex-start; gap: 20px; }
.download-action { display: flex; flex-direction: column; align-items: flex-start; }
.download-button { min-height: 56px; padding-inline: 26px; font-size: 16px; }
.download-button > span { font-size: 24px; line-height: 1; font-weight: 400; }
.download-meta { display: block; margin: 12px 0 0; color: var(--color-text-secondary); font-size: 11px; line-height: 1.7; }
.qr-download { position: relative; z-index: 20; }
.qr-download summary { display: flex; min-height: 56px; align-items: center; gap: 10px; padding: 0 14px; border: 1px solid var(--color-border-primary); border-radius: 12px; font-size: 13px; list-style: none; cursor: pointer; }
.qr-download summary::-webkit-details-marker { display: none; }
.qr-download summary img { width: 28px; height: 28px; border-radius: 3px; }
.qr-download summary:hover { border-color: var(--color-accent-primary); }
.qr-popover { position: absolute; left: 0; top: 68px; width: 216px; padding: 16px; border: 1px solid var(--color-border-primary); border-radius: 16px; background: var(--color-bg-secondary); box-shadow: var(--site-shadow); }
.qr-popover img { width: 184px; height: 184px; border-radius: 8px; }
.qr-popover p { margin: 12px 0 0; font-size: 12px; color: var(--color-text-secondary); text-align: center; }
.hero-phones { position: relative; width: 100%; height: 570px; }
.phone { position: absolute; display: block; overflow: hidden; padding: 6px; border: 1px solid rgb(241 231 216 / .28); border-radius: var(--phone-radius); background: #27272a; box-shadow: 0 24px 65px rgb(0 0 0 / .28); cursor: zoom-in; transition: transform .3s ease; }
.phone img { width: 100%; border-radius: calc(var(--phone-radius) - 6px); }
.phone-main { z-index: 2; top: 45px; right: 8px; width: 244px; }
.phone-back { z-index: 1; top: 5px; left: 5px; width: 222px; }
.phone:hover { transform: translateY(-7px); }

/* One theme across the page; hierarchy comes from spacing and quiet surfaces. */
.paper-section { background: var(--color-bg-secondary); }
.statement { padding: 86px 0 90px; border-block: 1px solid var(--color-border-secondary); }
.statement-inner { max-width: 1000px; }
.statement h2 { max-width: 920px; margin: 0 0 30px; font-size: clamp(32px, 4.5vw, 58px); line-height: 1.4; letter-spacing: -.045em; }
.statement-foot { display: flex; align-items: end; justify-content: space-between; gap: 32px; }
.statement-foot p { margin: 0; color: var(--color-text-secondary); font-size: 15px; }
.statement-mark { color: var(--color-accent-primary); font: 28px "YS Serif", serif; }
.product-section, .boundaries, .family-section, .trust-section, .about-section, .experience-section { padding: clamp(80px, 8vw, 116px) 0; }
.section-intro { display: block; max-width: 800px; margin-bottom: 50px; }
.section-intro h2, .family-copy h2, .about-copy h2, .experience-copy h2 { margin: 0 0 22px; font-size: clamp(36px, 4.4vw, 60px); line-height: 1.3; letter-spacing: -.045em; }
.section-intro > p { max-width: 620px; margin-bottom: 0; color: var(--color-text-secondary); font-size: 16px; }
.chapter-layout { display: grid; grid-template-columns: minmax(220px, .42fr) minmax(0, 1.25fr); gap: 64px; }
.chapter-list { align-self: start; }
.chapter-tab { display: grid; width: 100%; grid-template-columns: 26px 1fr auto; align-items: center; gap: 12px; padding: 19px 12px; border: 0; border-bottom: 1px solid var(--color-border-secondary); background: transparent; color: var(--color-text-secondary); text-align: left; cursor: pointer; }
.chapter-tab.is-active { border-color: var(--color-accent-primary); background: var(--color-bg-secondary); color: var(--color-text-primary); }
.chapter-tab:hover { color: var(--color-text-primary); }
.chapter-number { font-size: 11px; color: var(--color-text-secondary); }
.chapter-tab strong, .chapter-tab small { display: block; }
.chapter-tab strong { font-size: 16px; font-weight: 550; }
.chapter-tab small { margin-top: 3px; font-size: 12px; color: var(--color-text-secondary); }
.chapter-flame { color: var(--color-accent-primary); visibility: hidden; }
.chapter-tab.is-active .chapter-flame { visibility: visible; }
.chapter-progress { display: none; }
.chapter-panel-wrap { min-width: 0; }
.chapter-panel { display: grid; min-height: 580px; grid-template-columns: 1fr minmax(210px, .85fr); align-items: center; gap: 32px; padding: 36px; border: 1px solid var(--color-border-primary); border-radius: 24px; background: var(--color-bg-secondary); }
.chapter-panel h3 { margin: 20px 0 16px; font-size: clamp(28px, 3vw, 40px); line-height: 1.3; letter-spacing: -.03em; }
.chapter-panel p { margin-bottom: 22px; color: var(--color-text-secondary); font-size: 15px; }
.status-pill { color: var(--color-text-link); font-size: 12px; }
.chapter-phone { width: min(228px, 100%); justify-self: end; padding: 5px; border: 1px solid rgb(241 231 216 / .2); border-radius: 28px; background: #27272a; cursor: zoom-in; transition: transform .2s ease; }
.chapter-phone:hover { transform: translateY(-5px); }
.chapter-phone img { width: 100%; border-radius: 23px; }
.boundary-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 0 52px; }
.boundary-card { display: grid; grid-template-columns: 48px 1fr; align-content: start; column-gap: 22px; padding: 30px 0; border-top: 1px solid var(--color-border-primary); }
.boundary-card:first-child { grid-row: span 2; grid-template-columns: 1fr; padding: 30px 36px; border: 1px solid var(--color-border-primary); border-radius: 24px; background: var(--color-bg-tertiary); }
.boundary-index { display: none; }
.boundary-card img { width: 48px; height: 48px; grid-row: span 3; }
.boundary-card:first-child img { width: 84px; height: 84px; margin-bottom: 42px; grid-row: auto; }
.boundary-card h3 { margin-bottom: 10px; font-size: 24px; }
.boundary-card p { margin-bottom: 10px; color: var(--color-text-secondary); font-size: 14px; }
.boundary-card:first-child h3 { font-size: 32px; }
.family-grid { display: grid; grid-template-columns: 1fr .9fr; align-items: center; gap: 80px; }
.family-art img { width: 100%; border-radius: 24px; }
.family-copy > p, .about-copy > p, .experience-copy > p { color: var(--color-text-secondary); font-size: 16px; }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; margin: 28px 0; padding: 0; list-style: none; }
.check-list li { display: flex; align-items: center; gap: 10px; padding: 12px 0; font-size: 13px; }
.check-list span { color: var(--color-text-link); font-size: 11px; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.trust-card { padding: 24px 0; border-top: 1px solid var(--color-border-primary); }
.trust-card img { width: 56px; height: 56px; margin-bottom: 25px; }
.trust-card > span { display: none; }
.trust-card h3 { margin-bottom: 10px; font-size: 21px; }
.trust-card p { margin-bottom: 0; color: var(--color-text-secondary); font-size: 14px; }
.trust-note { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-top: 35px; }
.trust-note p { margin: 0; color: var(--color-text-secondary); font-size: 14px; }
.about-grid { display: grid; grid-template-columns: .9fr 1fr; align-items: center; gap: 100px; }
.about-copy p { max-width: 430px; }
.about-art img { width: 100%; }

/* Download details remain usable without JavaScript. The QR is generated locally. */
.download-section { padding: 90px 0; border-block: 1px solid var(--color-border-primary); background: var(--color-bg-secondary); }
.download-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.download-app-icon { width: 64px; height: 64px; margin-bottom: 26px; border-radius: 16px; }
.download-copy h2 { margin-bottom: 16px; font-size: clamp(30px, 3.2vw, 44px); line-height: 1.4; letter-spacing: -.035em; }
.download-copy > p { color: var(--color-text-secondary); font-size: 15px; }
.download-copy .download-meta, .platform-note { font-size: 12px; }
.platform-note { margin: 8px 0 0; }
.install-panel { display: grid; grid-template-columns: 160px 1fr; align-items: start; gap: 30px; }
.install-qr img { width: 160px; height: 160px; border-radius: 12px; }
.install-qr > span { display: block; margin-top: 14px; color: var(--color-text-secondary); font-size: 12px; text-align: center; }
.install-guide h3 { margin-bottom: 22px; font-size: 19px; }
.install-guide ol { margin: 0; padding-left: 20px; }
.install-guide li { padding-left: 4px; margin-bottom: 22px; color: var(--color-text-link); font-size: 13px; }
.install-guide strong { color: var(--color-text-primary); font-weight: 550; }
.install-guide p { margin: 7px 0 0; color: var(--color-text-secondary); font-size: 13px; }
.install-faq { font-size: 13px; }
.install-faq summary { min-height: 44px; display: list-item; padding-block: 10px; cursor: pointer; color: var(--color-text-link); }

/* Existing experience form. */
.experience-grid { display: grid; grid-template-columns: .9fr 1fr; align-items: start; gap: 100px; }
.form-disclaimer { font-size: 13px !important; }
.experience-form { padding: 28px; border: 1px solid var(--color-border-primary); border-radius: 24px; background: var(--color-bg-secondary); }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; margin-bottom: 8px; font-size: 13px; }
.form-row label span { color: var(--color-text-link); }
.form-row input, .form-row select, .form-row textarea { display: block; width: 100%; border: 1px solid var(--color-border-primary); border-radius: 10px; background: var(--color-bg-primary); color: var(--color-text-primary); padding: 12px 14px; }
.form-row input, .form-row select { min-height: 48px; }
.form-row textarea { min-height: 120px; resize: vertical; }
.form-row.has-error input, .form-row.has-error select, .form-row.has-error textarea { border-color: var(--color-status-error); }
.field-error { display: block; min-height: 18px; padding-top: 5px; color: var(--color-status-error); font-size: 12px; }
.form-submit { width: 100%; }
.form-submit:disabled { opacity: .7; cursor: wait; }
.form-success { margin-top: 16px; padding: 16px; border: 1px solid var(--color-border-primary); border-radius: 12px; font-size: 13px; }
.site-footer { padding: 64px 0 30px; border-top: 1px solid var(--color-border-secondary); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding-bottom: 45px; }
.footer-brand img { width: 32px; height: 32px; }
.footer-grid > div:first-child p { margin: 16px 0 0; color: var(--color-text-secondary); font-size: 13px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.footer-links div { display: flex; flex-direction: column; align-items: flex-start; }
.footer-links span { margin-bottom: 12px; color: var(--color-text-primary); font-size: 13px; }
.footer-links a { display: flex; align-items: center; min-height: 34px; color: var(--color-text-secondary); font-size: 12px; }
.footer-links a:hover { color: var(--color-text-link); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px 24px; padding-top: 24px; border-top: 1px solid var(--color-border-secondary); color: var(--color-text-secondary); font-size: 11px; }
.footer-filing { display: flex; flex-direction: column; align-items: center; gap: 8px; padding-top: 24px; color: var(--color-text-secondary); font-size: 12px; line-height: 1.7; text-align: center; }
.footer-filing a:hover { color: var(--color-text-link); text-decoration: underline; }

/* Native dialogs provide focus containment and keyboard dismissal. */
.screen-modal { padding: 0; border: 1px solid var(--color-border-primary); border-radius: 24px; background: var(--color-bg-secondary); color: var(--color-text-primary); box-shadow: var(--site-shadow); }
.screen-modal { width: min(880px, calc(100% - 32px)); max-height: 92svh; }
.screen-modal::backdrop { background: var(--color-surface-overlay); }
.modal-inner { position: relative; display: grid; grid-template-columns: minmax(200px, .7fr) 1fr; align-items: center; gap: 48px; padding: 48px; }
.modal-close { position: absolute; top: 16px; right: 16px; }
.modal-screen { width: min(260px, 100%); justify-self: center; padding: 5px; border: 1px solid var(--color-border-primary); border-radius: 28px; background: #27272a; }
.modal-screen img { width: 100%; border-radius: 23px; }
.modal-copy h2 { margin-bottom: 20px; font-size: 32px; line-height: 1.4; }
.modal-copy p:last-child { color: var(--color-text-secondary); }
/* Content is visible by default if scripts or storage are unavailable. */
@media (prefers-reduced-motion: no-preference) {
  .reveal { transition: opacity .5s ease, transform .5s ease; }
  .reveal.is-pending { opacity: 0; transform: translateY(16px); }
  .delay-1 { transition-delay: 70ms; }
  .delay-2 { transition-delay: 140ms; }
}
@media (min-width: 1024px) and (max-height: 720px) {
  .hero h1 { font-size: 74px; }
  .hero-identity { margin-bottom: 20px; }
  .hero-phones { height: 530px; }
  .phone-main { width: 226px; top: 32px; }
  .phone-back { width: 202px; top: 0; }
}
@media (max-width: 1100px) and (min-width: 768px) {
  .desktop-nav { margin-right: 0; gap: 18px; }
  .theme-toggle span { display: none; }
  .hero-grid { gap: 24px; min-height: 690px; }
  .hero h1 { font-size: 68px; }
  .hero-phones { height: 510px; }
  .phone-main { width: 208px; top: 65px; right: 0; }
  .phone-back { width: 184px; left: 0; top: 8px; }
  .hero-actions { gap: 12px; }
  .qr-download summary { padding: 0 10px; }
  .download-button { padding-inline: 20px; }
  .chapter-layout { gap: 30px; grid-template-columns: 210px 1fr; }
  .chapter-panel { gap: 22px; padding: 26px; grid-template-columns: 1fr 190px; }
  .family-grid, .about-grid, .experience-grid { gap: 44px; }
  .download-layout { gap: 32px; grid-template-columns: 1fr .9fr; }
  .install-panel { grid-template-columns: 1fr; gap: 24px; }
  .install-qr { display: none; }
}
@media (max-width: 767px) {
  .desktop-nav, .theme-toggle { display: none; }
  .menu-button { display: inline-flex; }
  .nav-inner { min-height: 68px; gap: 12px; }
  .nav-actions { gap: 8px; }
  .nav-cta { padding: 0 13px; min-height: 40px; gap: 8px; font-size: 12px; }
  .brand { font-size: 21px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; min-height: auto; padding-top: 110px; padding-bottom: 44px; }
  .hero-identity { margin-bottom: 24px; }
  .hero h1 { font-size: clamp(56px, 15.5vw, 76px); margin-bottom: 20px; line-height: 1.17; }
  .hero-lede { font-size: 15px; line-height: 1.9; margin-bottom: 26px; }
  .hero-actions { gap: 12px; }
  .hero-actions .download-button { padding-inline: 22px; font-size: 15px; }
  .download-meta { font-size: 10px; }
  .qr-download { display: none; }
  .hero-phones { height: 450px; width: min(360px, 100%); margin: 0 auto; }
  .phone-main { width: 192px; right: 0; top: 24px; }
  .phone-back { width: 174px; left: 0; top: 0; }
  .statement { padding: 60px 0; }
  .statement h2 { font-size: 30px; margin-bottom: 24px; }
  .statement-foot p { font-size: 13px; }
  .statement-mark { display: none; }
  .section-intro { margin-bottom: 34px; }
  .section-intro h2, .family-copy h2, .about-copy h2, .experience-copy h2 { font-size: clamp(32px, 8.5vw, 44px); }
  .section-intro > p, .family-copy > p, .about-copy > p, .experience-copy > p { font-size: 14px; }
  .chapter-layout { display: block; }
  .chapter-list { display: flex; overflow-x: auto; gap: 8px; margin-bottom: 22px; padding-bottom: 8px; }
  .chapter-tab { min-width: 135px; grid-template-columns: 22px 1fr; gap: 6px; padding: 13px 10px; border: 1px solid var(--color-border-primary); border-radius: 12px; }
  .chapter-tab strong { font-size: 14px; }
  .chapter-tab small { font-size: 11px; }
  .chapter-flame { display: none; }
  .chapter-panel { min-height: auto; grid-template-columns: 1fr; gap: 28px; padding: 26px; }
  .chapter-panel h3 { font-size: 30px; margin-top: 12px; }
  .chapter-phone { width: 210px; justify-self: center; }
  .boundary-grid { grid-template-columns: 1fr; gap: 24px; }
  .boundary-card:first-child { grid-row: auto; padding: 28px; }
  .boundary-card:first-child img { margin-bottom: 28px; width: 64px; height: 64px; }
  .boundary-card:first-child h3 { font-size: 28px; }
  .family-grid, .about-grid, .experience-grid, .download-layout { grid-template-columns: 1fr; gap: 40px; }
  .family-art { max-width: 450px; }
  .check-list { grid-template-columns: 1fr 1fr; gap: 0 12px; }
  .trust-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .trust-card h3 { font-size: 18px; }
  .trust-card p { font-size: 13px; }
  .trust-note { align-items: flex-start; flex-direction: column; gap: 10px; }
  .about-art { max-width: 450px; }
  .download-section { padding: 64px 0; }
  .download-copy h2 { font-size: 30px; }
  .download-copy .download-meta { font-size: 11px; }
  .install-panel { grid-template-columns: 1fr; }
  .install-qr { display: none; }
  .install-guide { padding-top: 28px; border-top: 1px solid var(--color-border-primary); }
  .experience-form { padding: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 38px; }
  .footer-links { gap: 12px; }
  .footer-bottom { display: grid; grid-template-columns: 1fr; }
  .footer-filing { font-size: 11px; }
  .modal-inner { grid-template-columns: 1fr; gap: 28px; padding: 60px 24px 28px; }
  .modal-screen { width: 190px; }
  .modal-copy h2 { font-size: 24px; }
  .modal-copy { text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .reveal.is-pending { opacity: 1; transform: none; }
}