/* OBRASKO: shared components derived from the original landing and gid/gid.css.
   Keep the original styles.css as the token source; no second brand palette. */
:root {
  --seo-border: var(--line);
  --seo-soft: var(--surface);
  --seo-muted: #68696f;
  --seo-accent: var(--red);
  --copy: #4a4b4f;
  --section-space: 112px;
  --component-radius: 7px;
  --control-radius: 5px;
  --reading-width: 760px;
}
html { scroll-padding-top: 110px; }
[hidden] { display: none !important; }
.seo-skip { position: fixed; left: 20px; top: -90px; padding: 14px; background: #fff; color: var(--ink); z-index: 1000; }
.seo-skip:focus { top: 12px; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, .table-scroll:focus-visible { outline: 3px solid #b86e66; outline-offset: 5px; }

/* Shared navigation: the same brand lockup, launch action and menu on every page. */
.seo-header { position: sticky; top: 0; z-index: 80; background: var(--black); backdrop-filter: none; }
.seo-header .nav { height: 75px; }
.header .brand-lockup { display: flex; align-items: center; gap: 19px; flex-shrink: 0; }
.header .brand-caption { display: block; border-left: 1px solid #ffffff40; padding-left: 19px; font-size: 11px; font-weight: 400; letter-spacing: 0; line-height: 1.45; color: #a6a6a2; }
.header .brand-caption span { color: #ecece7; }
.header:not(.seo-header) .brand-caption { opacity: var(--header-progress,0); }
.header:has(.menu[aria-expanded="true"]) .brand-caption { opacity: 1; }
.header .nav-links { gap: 22px; margin-right: 18px; }
.header .nav-links > a, .header .nav-svyaz { color: #f4f4f1 !important; }
.header .nav > .cta { display: inline-flex; flex-shrink: 0; border-radius: 999px; white-space: nowrap; }
.header .nav-voiti { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 9px 15px; border: 1px solid #ffffff30; border-radius: 4px; font-size: 13px; color: #eee; }
.header .nav-links a[aria-current=page] { text-decoration: underline; text-underline-offset: 6px; text-decoration-color: #ffffff80; }
.header a:hover { color: #fff; }
.header .cta:hover { color: var(--ink); }
.seo-header .mobile-menu { background: var(--black); }
.seo-header .menu[aria-expanded=true] span:first-child { transform: translateY(3px) rotate(45deg); }
.seo-header .menu[aria-expanded=true] span:last-child { transform: translateY(-3px) rotate(-45deg); }
.seo-header .menu span { transition: transform .18s; }

/* Page frame and long-form typography follow the original guide. */
.seo-doc { background: var(--white); color: var(--ink); font-family: var(--font); }
.seo-content { width: min(var(--reading-width), calc(100% - 100px)); margin-inline: auto; padding: 42px 0 80px; }
.seo-wide { width: min(1280px, calc(100% - 100px)); }
.seo-breadcrumb { font-size: 13px; line-height: 1.6; color: var(--seo-muted); margin-bottom: 24px; }
.seo-breadcrumb a { color: inherit; }
.seo-doc h1 { font-size: clamp(31px, 4.4vw, 48px); line-height: 1.08; letter-spacing: -.055em; font-weight: 500; margin: 13px 0 20px; }
.seo-wide h1 { font-size: clamp(38px, 4.7vw, 66px); max-width: 1060px; margin-bottom: 28px; }
.seo-doc h2 { font-size: clamp(22px, 2.5vw, 29px); line-height: 1.14; letter-spacing: -.04em; font-weight: 500; margin: 42px 0 13px; }
.seo-doc h3 { font-size: 19px; line-height: 1.25; letter-spacing: -.03em; font-weight: 500; margin: 26px 0 7px; }
.seo-doc p { margin: 0 0 15px; font-size: 17px; line-height: 1.62; color: var(--copy); }
.seo-doc ul, .seo-doc ol { padding-left: 21px; margin: 0 0 18px; color: var(--copy); font-size: 17px; line-height: 1.62; }
.seo-doc li { margin-bottom: 7px; }
.seo-doc strong, .seo-doc b { font-weight: 600; color: var(--ink); }
.seo-doc .seo-lead { font-size: 19px; line-height: 1.62; color: var(--ink); margin-bottom: 26px; max-width: 760px; }
.seo-page-body > section { scroll-margin-top: 0; }
.seo-page-body a:not(.cta), .seo-breadcrumb a, .seo-section a:not(.cta) { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.seo-doc .header a, .seo-doc .seo-footer a { text-decoration: none; }
.seo-doc a:not(.cta):hover, .seo-section a:not(.cta):hover { text-decoration-color: var(--seo-muted); }
.seo-actions { display: flex; flex-wrap: wrap; gap: 16px 26px; margin-top: 28px; align-items: center; }
.seo-actions a { min-height: 44px; display: inline-flex; align-items: center; font-size: 15px; }
.seo-byline { font-size: 13px !important; color: var(--seo-muted) !important; margin-bottom: 28px !important; }
.seo-toc { border-block: 1px solid var(--line); padding: 22px 0; margin: 28px 0 42px; }
.seo-toc > b { font-size: 15px; font-weight: 500; }
.seo-toc ul { margin: 12px 0 0; columns: 2; column-gap: 32px; padding-left: 18px; }
.seo-toc li { break-inside: avoid; font-size: 14px; line-height: 1.6; margin-bottom: 10px; }
.seo-note { padding: 19px 21px; border: 0; border-radius: 8px; background: var(--surface); font-size: 15px; line-height: 1.65; margin: 26px 0; color: var(--copy); }
.seo-doc .seo-note { font-size: 15px; margin: 26px 0; }

/* Native disclosure, with the original landing's plus/minus treatment. */
.seo-faq { border-top: 1px solid var(--line); margin-top: 26px; }
.seo-faq details { border-bottom: 1px solid var(--line); }
.seo-faq summary { list-style: none; padding: 23px 34px 23px 0; position: relative; font-size: 16px; line-height: 1.5; cursor: pointer; }
.seo-faq summary::-webkit-details-marker { display: none; }
.seo-faq summary::after { content: '+'; position: absolute; right: 0; top: 19px; font-size: 23px; color: var(--seo-muted); }
.seo-faq details[open] summary::after { content: '−'; }
.seo-faq details p { padding: 0 24px 23px 0; margin: 0; font-size: 15px; line-height: 1.8; }
.seo-related { border-top: 1px solid var(--line); margin-top: 46px; padding-top: 6px; }
.seo-related h2 { margin-top: 24px; }
.seo-related li { margin-bottom: 10px; }
.seo-panel { padding: 25px; margin: 46px 0 18px; border: 1px solid var(--line); border-radius: 10px; }
.seo-panel h2 { margin: 0 0 18px; }
.seo-panel .cta { margin-top: 8px; }
.seo-wide .seo-panel { display: grid; grid-template-columns: 1.25fr 1fr; gap: 64px; padding: 48px; margin-top: 80px; border: 0; border-radius: 0; background: #dfe0e2; }
.seo-wide .seo-panel h2 { font-size: clamp(32px, 3.4vw, 48px); max-width: 570px; }
.seo-panel-copy p { max-width: 460px; }
.seo-panel-copy .cta { min-height: 52px; }
.seo-contact-list { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 42px; }
.seo-contact-list a { display: inline-flex; align-items: center; min-height: 52px; padding: 14px 20px; border: 1px solid var(--line); border-radius: var(--control-radius); font-size: 15px; text-decoration: none !important; background: #fff; transition: border-color .18s; }
.seo-contact-list a:hover { border-color: var(--ink); }

/* Footer returns to the quiet, light end of the original landing. */
.seo-footer { padding-bottom: 0; border-top: 1px solid var(--line); background: var(--white); color: var(--ink); }
.seo-footer .footer-top { padding: 43px 0 46px; display: grid; grid-template-columns: .7fr 1fr 1.4fr; gap: 40px; align-items: start; }
.seo-footer .wordmark { font-size: 30px; }
.seo-footer p { max-width: 280px; color: var(--seo-muted); font-size: 14px; line-height: 1.5; margin: 0; }
.seo-links { display: grid; grid-template-columns: repeat(3, max-content); gap: 0 24px; justify-content: end; margin-top: -12px; }
.seo-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 13px; color: inherit; }
.seo-links a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* New landing sections use the original section-head / analytics grid rhythm. */
.seo-section { padding: var(--section-space) 0; }
.seo-soft { background: var(--surface); }
.seo-kicker, .product-eyebrow { font-size: 12px !important; line-height: 1.5 !important; letter-spacing: .11em; text-transform: uppercase; font-weight: 500; color: var(--seo-muted) !important; margin: 0 0 27px !important; }
.seo-section h2 { font-size: clamp(38px, 4.2vw, 62px); font-weight: 500; letter-spacing: -.055em; line-height: 1.04; margin: 0 0 26px; }
.seo-section p { font-size: 17px; line-height: 1.7; color: var(--copy); max-width: 760px; }
.seo-lead { font-size: 17px; line-height: 1.7; }
.product-section-heading { display: grid; grid-template-columns: 1.7fr 1fr; align-items: end; gap: 64px; margin-bottom: 48px; }
.product-section-heading h2 { margin: 0; }
.product-section-heading > p { margin: 0; max-width: 400px; font-size: 17px; line-height: 1.7; }
.product-explainer { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 0; border: 1px solid var(--line); border-radius: var(--component-radius); overflow: hidden; background: #fff; }
.product-item { margin: 0; padding: 32px; text-align: center; }
.product-item img { width: 100%; max-width: 340px; height: auto; margin: auto; }
.product-item figcaption, .product-caption { font-size: 13px !important; line-height: 1.6 !important; color: var(--seo-muted) !important; }
.product-item figcaption { margin-top: 18px; }
.product-story { padding: 40px; border-left: 1px solid var(--line); }
.product-story h3 { font-size: 29px; line-height: 1.12; margin: 0 0 26px; }
.product-steps { margin: 0; padding-left: 20px; }
.product-steps li { padding-left: 4px; margin-bottom: 18px; font-size: 16px; line-height: 1.7; color: var(--copy); }
.product-steps strong { font-weight: 500; color: var(--ink); }
.product-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; border-top: 1px solid var(--line); padding-top: 24px; margin-top: 42px; font-size: 14px; color: var(--copy); }
.product-facts span { display: flex; gap: 12px; align-items: start; }
.product-facts span::before { content: '✓'; font-size: 15px; color: var(--ink); }
.seo-section .seo-note { background: transparent; padding: 0; border-radius: 0; font-size: 13px; color: var(--seo-muted); margin: 24px 0 0; }
.seo-two { display: grid; grid-template-columns: 1.1fr 1fr; gap: 85px; align-items: center; }
.product-modes { margin: 28px 0; }
.product-modes > div { border-top: 1px solid var(--line); padding: 18px 0; }
.product-modes dt { font-size: 18px; font-weight: 500; margin-bottom: 6px; }
.product-modes dd { margin: 0; color: var(--copy); font-size: 15px; line-height: 1.7; }
.seo-figure { margin: 0; }
.seo-figure img { display: block; width: 100%; height: auto; }
.seo-figure figcaption { margin-top: 16px; font-size: 12px; line-height: 1.6; color: var(--seo-muted); }

/* Product page: catalogue imagery and controls share the original workspace styling. */
.product-opening { display: grid; grid-template-columns: 1.2fr .8fr; gap: 85px; align-items: center; margin: 36px 0 var(--section-space); }
.product-opening > div { max-width: 640px; }
.product-opening-image { margin: 0; max-width: 410px; justify-self: end; }
.product-opening-image img { width: 100%; height: auto; max-height: 480px; object-fit: cover; object-position: center; }
.product-opening-image figcaption { margin-top: 14px; font-size: 12px; line-height: 1.6; color: var(--seo-muted); }
.product-page-links { display: flex; flex-wrap: wrap; gap: 0 24px; margin-top: 24px; }
.product-page-links a { font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; }
.qr-route-section { margin: 0 0 var(--section-space); }
.seo-wide .product-section-heading h2 { font-size: clamp(34px, 4.2vw, 58px); line-height: 1.06; letter-spacing: -.055em; }
.route-switch { display: inline-flex; gap: 4px; padding: 4px; margin: 0 0 24px; background: #e9eaec; border-radius: var(--control-radius); }
.route-switch button { appearance: none; border: 1px solid transparent; border-radius: 4px; min-height: 44px; padding: 11px 20px; font-family: inherit; font-size: 14px; line-height: 1.4; background: transparent; color: var(--copy); cursor: pointer; transition: background-color .18s, border-color .18s; }
.route-switch button:hover { color: var(--ink); background: #f4f4f5; }
.route-switch button[aria-pressed=true] { background: #fff; border-color: #d5d6d9; color: var(--ink); box-shadow: 0 1px 4px #00000006; }
.route-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--component-radius); padding: 32px; }
.route-panel + .route-panel { margin-top: 24px; }
.route-panel[hidden] + .route-panel { margin-top: 0; }
.route-intro { display: flex; align-items: center; gap: 32px; min-height: 144px; margin-bottom: 32px; }
.route-intro > img { width: 144px; height: 144px; object-fit: contain; flex-shrink: 0; }
.route-intro h3 { font-size: 28px; margin: 0 0 12px; }
.route-intro p { margin: 0; max-width: 620px; font-size: 16px; }
.route-catalog { width: 144px; height: 144px; flex-shrink: 0; display: flex; align-items: center; }
.route-catalog img { width: 72px; height: 100px; object-fit: contain; }
.route-timeline { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 32px; list-style: none; margin: 0 !important; padding: 0 !important; counter-reset: route; }
.route-timeline li { border-top: 1px solid var(--line); padding-top: 22px; margin: 0; display: flex; flex-direction: column; align-items: start; }
.route-timeline li > span { margin-bottom: 20px; color: var(--seo-muted); font-size: 12px; letter-spacing: .08em; font-variant-numeric: tabular-nums; }
.route-timeline li > span::before { content: '0'; }
.route-timeline strong { font-size: 19px; font-weight: 500; letter-spacing: -.025em; }
.route-timeline p { font-size: 15px; line-height: 1.7; margin: 10px 0 0; }
.route-state { font-size: 12px !important; line-height: 1.6 !important; color: var(--seo-muted) !important; margin: 16px 0 0 !important; }
.product-specs { margin: 28px 0 0; }
.product-specs > div { display: grid; grid-template-columns: minmax(180px,.7fr) 2fr; gap: 32px; border-top: 1px solid var(--line); padding: 22px 0; }
.product-specs dt { font-weight: 500; font-size: 17px; }
.product-specs dd { margin: 0; line-height: 1.7; color: var(--copy); font-size: 16px; max-width: 750px; }
.product-test, .product-metrics { margin: 80px 0; }
.product-test-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.product-test-columns h3 { margin-top: 20px; margin-bottom: 14px; font-size: 24px; }
.product-test-columns p { max-width: 530px; }
.launch-checklist { margin: 80px 0; padding: 40px; background: #edeef0; border: 1px solid #d5d6d9; border-radius: var(--component-radius); }
.launch-check-heading { display: flex; justify-content: space-between; gap: 32px; align-items: start; }
.launch-check-heading h2 { margin: 0 0 22px; font-size: clamp(28px,3vw,42px); }
.check-progress { font-size: 13px !important; flex-shrink: 0; max-width: 230px; padding-top: 4px; }
.launch-check-items { margin-top: 24px; }
.launch-check-item { display: flex; gap: 16px; align-items: flex-start; padding: 22px 0; border-top: 1px solid #d5d6d9; cursor: pointer; min-height: 48px; }
.launch-check-item input { appearance: auto; width: 22px; height: 22px; flex-shrink: 0; margin: 3px 0 0; accent-color: var(--black); cursor: pointer; }
.launch-check-item strong { font-size: 17px; font-weight: 500; display: block; margin-bottom: 4px; }
.launch-check-item span span { display: block; font-size: 15px; line-height: 1.7; color: var(--copy); }
.launch-check-item:has(input:checked) strong { text-decoration: line-through; text-decoration-color: var(--seo-muted); }

/* Guide hub and imagery continue the wardrobe/catalogue composition. */
.guide-feature { display: grid; grid-template-columns: 1.6fr .65fr; align-items: stretch; border: 1px solid var(--line); background: #fff; margin: 48px 0 64px; }
.guide-feature > div { align-self: center; padding: 44px; }
.guide-feature h2 { margin: 0 0 24px; font-size: clamp(32px,3.5vw,48px); line-height: 1.06; letter-spacing: -.055em; }
.guide-feature h2 a { text-decoration: none !important; }
.guide-feature h2 a:hover { text-decoration: underline !important; }
.guide-feature img { width: 100%; height: auto; align-self: center; }
.guide-feature p { max-width: 500px; }
.guide-feature-link { display: inline-flex; min-height: 44px; align-items: center; font-size: 15px; margin-top: 6px; }
.seo-cards { border-top: 1px solid var(--line); }
.seo-card { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.seo-card h2 { margin: 0; font-size: clamp(23px,2.4vw,29px); line-height: 1.14; max-width: 510px; }
.seo-card h2 a { text-decoration: none !important; }
.seo-card h2 a:hover { text-decoration: underline !important; }
.seo-card p { font-size: 16px; margin: 0; max-width: 540px; }
.seo-card-topic { display: block; color: var(--seo-muted); font-size: 10px; line-height: 1.5; margin-bottom: 14px; }
.guide-figure { margin: 32px 0; padding: 0; }
.guide-figure img { display: block; width: 100%; height: auto; max-height: 560px; object-fit: contain; background: #fff; }
.guide-figure figcaption { margin-top: 14px; font-size: 13px; line-height: 1.6; color: var(--seo-muted); }
.guide-figure-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; margin: 28px 0; }
.guide-figure-grid .guide-figure { margin: 0; }
.table-scroll, .seo-table-wrap { overflow: auto; max-width: 100%; margin: 28px 0; overscroll-behavior-inline: contain; }
.seo-doc table { width: 100%; border-collapse: collapse; font-size: 16px; line-height: 1.6; }
.seo-doc td, .seo-doc th { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.seo-doc td { color: var(--copy); }
.seo-doc th { color: var(--ink); font-weight: 600; }
.seo-doc thead th { background: var(--surface); }
.guide-table { min-width: 560px; }
.guide-table caption { text-align: left; font-weight: 500; font-size: 17px; margin-bottom: 16px; }
.guide-table td p { font-size: 16px; margin: 0; }
.guide-checklist li { padding-left: 4px; margin: 12px 0; }

.terms-grid { grid-template-columns: minmax(0,1fr); }

/* User-approved hero composition and scroll-driven header behavior. */
.video-hero .hero-intro h1 { transform: translateY(64px); white-space: normal !important; font-size: clamp(34px,3.9vw,56px) !important; line-height: 1.08 !important; max-width: 630px !important; }
.video-hero .hero-intro { width: min(620px,49vw) !important; translate: 0 20px; }
.video-hero .hero-description { font-size: 17px !important; line-height: 1.6 !important; max-width: 520px !important; margin-top: 104px !important; }
.video-hero .hero-description-detail { display: inline !important; }

/* Keep one desktop frame across the 720x900 and 720x1080 video crops. */
@media (min-width:651px) {
  .video-hero .film-frame { aspect-ratio: 2 / 3; }
  .video-hero .film-canvas { object-fit: cover; object-position: center; }
}

/* The original shell breakpoints: 1120 / 900 / 650 / 365. */
@media (max-width:1120px) {
  .seo-content { width: min(var(--reading-width),calc(100% - 64px)); }
  .seo-wide { width: calc(100% - 64px); }
  .header .nav { gap: 16px; }
  .header .nav-links { gap: 12px; margin-right: 10px; }
  .header .brand-lockup { gap: 12px; }
  .header .brand-caption { padding-left: 12px; font-size: 10px; }
  .seo-two, .product-opening { gap: 48px; }
}
@media (max-width:900px) {
  :root { --section-space: 83px; }
  .seo-content { width: min(var(--reading-width),calc(100% - 40px)); }
  .seo-wide { width: calc(100% - 40px); }
  .seo-header .nav { height: 68px; }
  .header .nav-links, .header .nav-voiti { display: none; }
  .header .menu { display: flex; flex-shrink: 0; }
  .header .nav > .cta { margin-left: auto; }
  .header .brand-caption { font-size: 11px; }
  .seo-wide h1 { font-size: 48px; }
  .product-section-heading { grid-template-columns: 1.3fr 1fr; gap: 32px; }
  .product-section-heading > p { font-size: 16px; }
  .product-story { padding: 28px; }
  .product-story h3 { font-size: 25px; }
  .product-steps li { font-size: 15px; }
  .product-facts { grid-template-columns: 1fr 1fr; }
  .seo-two { gap: 32px; }
  .seo-section h2 { font-size: 42px; }
  .product-opening { gap: 36px; }
  .product-opening-image img { max-height: 400px; }
  .route-panel { padding: 28px; }
  .route-timeline { gap: 24px; }
  .guide-feature > div { padding: 28px; }
  .seo-wide .seo-panel { gap: 32px; padding: 32px; }
  .seo-footer .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; }
  .seo-footer .seo-links { grid-column: 1/-1; justify-content: flex-start; }
}
@media (max-width:650px) {
  :root { --section-space: 64px; }
  .seo-content { width: calc(100% - 32px); padding: 28px 0 64px; }
  .seo-header .nav { height: 64px; }
  .header .nav { gap: 6px; }
  .header .brand-lockup { gap: 8px; min-width: 0; }
  .header .brand-lockup .wordmark { font-size: 20px; }
  .header .brand-caption { display: block; width: 102px; flex-shrink: 0; padding-left: 8px; font-size: 10px; line-height: 1.3; }
  .header .nav > .cta { width: 64px; min-height: 40px; padding: 5px 4px; font-size: 10px; line-height: 1.2; white-space: normal; text-align: center; }
  .header .nav > .menu { width: 36px; height: 40px; padding: 8px; margin-left: 0; }
  .seo-header .mobile-menu { max-height: calc(100svh - 64px); overflow: auto; }
  .seo-doc h1 { font-size: clamp(31px,8.4vw,40px); line-height: 1.08; }
  .seo-doc p, .seo-doc ul, .seo-doc ol { font-size: 16px; }
  .seo-doc .seo-lead { font-size: 17px; }
  .seo-doc h2 { font-size: 27px; }
  .seo-faq summary { font-size: 15px; }
  .seo-faq details p { font-size: 14px; }
  .seo-toc ul { columns: 1; }
  .seo-section h2 { font-size: clamp(34px,8.8vw,42px); }
  .seo-section p { font-size: 16px; line-height: 1.65; }
  .seo-kicker, .product-eyebrow { font-size: 10px !important; margin-bottom: 20px !important; }
  .product-section-heading, .product-explainer, .seo-two, .product-opening, .product-test-columns { grid-template-columns: 1fr; gap: 28px; }
  .product-section-heading { margin-bottom: 32px; }
  .product-section-heading > p { max-width: 100%; }
  .product-explainer { gap: 0; }
  .product-item { padding: 24px; }
  .product-item img { max-width: 230px; }
  .product-story { padding: 26px 22px; border-left: 0; border-top: 1px solid var(--line); }
  .product-facts { gap: 20px; margin-top: 28px; font-size: 13px; }
  .product-facts span { gap: 8px; }
  .seo-actions { gap: 12px 20px; margin-top: 24px; }
  .seo-actions a { font-size: 14px; }
  .seo-figure { max-width: 460px; }
  .product-opening { margin: 28px 0 64px; }
  .product-opening-image { display: none; }
  .seo-wide .product-section-heading h2 { font-size: 36px; }
  .route-switch { display: flex; width: 100%; }
  .route-switch button { flex: 1; padding: 11px 10px; font-size: 13px; }
  .route-panel { padding: 24px 20px; }
  .route-intro { gap: 18px; align-items: flex-start; min-height: 110px; margin-bottom: 28px; }
  .route-intro > img, .route-catalog { width: 84px; height: 110px; }
  .route-catalog img { width: 42px; height: 90px; }
  .route-intro h3 { font-size: 23px; line-height: 1.14; }
  .route-intro p { font-size: 14px; }
  .route-timeline { grid-template-columns: 1fr; gap: 22px; }
  .route-timeline li { position: relative; padding: 20px 0 0 34px; }
  .route-timeline li > span { position: absolute; left: 0; top: 22px; }
  .route-timeline strong { font-size: 18px; }
  .route-timeline p { font-size: 14px; }
  .product-specs > div { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .product-specs dd { font-size: 15px; }
  .product-test, .product-metrics, .launch-checklist { margin: 64px 0; }
  .product-test-columns { gap: 12px; }
  .launch-checklist { padding: 26px 20px; }
  .launch-check-heading { display: block; }
  .launch-check-heading h2 { margin-bottom: 18px; }
  .check-progress { max-width: none; margin-bottom: 16px; }
  .launch-check-item { gap: 12px; }
  .launch-check-item span span { font-size: 14px; }
  .guide-feature { grid-template-columns: 1fr; margin: 36px 0 44px; }
  .guide-feature > div { padding: 28px 22px; }
  .guide-feature h2 { font-size: 34px; }
  .guide-feature img { display: none; }
  .seo-card { grid-template-columns: 1fr; gap: 14px; padding: 26px 0; }
  .seo-card h2 { font-size: 25px; }
  .seo-card p { font-size: 15px; }
  .guide-figure-grid { grid-template-columns: 1fr; }
  .guide-table { min-width: 540px; font-size: 15px !important; }
  .seo-wide .seo-panel { grid-template-columns: 1fr; padding: 28px 22px; gap: 4px; margin-top: 64px; }
  .seo-wide .seo-panel h2 { font-size: 34px; }
  .seo-panel { padding: 24px 20px; }
  .seo-panel .cta { white-space: normal; text-align: center; }
  .seo-footer .footer-top { grid-template-columns: 1fr; gap: 24px; padding: 34px 0; }
  .seo-footer .seo-links { grid-template-columns: repeat(2, max-content); gap: 0 22px; }
  .seo-footer p { max-width: 290px; }
  /* Reuse the original width-based freeze so browser bars cannot move the copy. */
  .video-hero { height: auto !important; min-height: var(--stable-mobile-height,100svh) !important; }
  .video-hero .hero-layout { height: auto; min-height: var(--stable-mobile-height,100svh); padding-top: calc(88px + env(safe-area-inset-top)) !important; padding-bottom: var(--stable-mobile-bottom,calc(24px + env(safe-area-inset-bottom))) !important; }
  .video-hero .hero-intro { width: 100% !important; max-width: 540px !important; position: relative !important; left: auto !important; top: auto !important; transform: none !important; translate: none; }
  .video-hero .hero-intro h1 { transform: none; font-size: clamp(33px,8.2vw,44px) !important; max-width: 480px !important; }
  .video-hero .hero-description { font-size: 16px !important; line-height: 1.5 !important; margin-top: 20px !important; max-width: 430px !important; }
  .video-hero .hero-description-tail { display: block; }
  .video-hero .film-shade { background: linear-gradient(0deg,rgba(21,22,24,.98) 0%,rgba(21,22,24,.78) 36%,rgba(21,22,24,.52) 56%,transparent 82%) !important; }
}
@media (max-width:365px) {
  .seo-content { width: calc(100% - 26px); }
  .header .nav { width: calc(100% - 24px); gap: 4px; }
  .header .brand-lockup { gap: 6px; }
  .header .brand-lockup .wordmark { font-size: 18px; }
  .header .brand-caption { width: 90px; padding-left: 6px; font-size: 9.5px; }
  .header .nav > .cta { width: 58px; font-size: 9px; }
  .header .nav > .menu { width: 32px; padding: 6px; }
  .product-facts { grid-template-columns: 1fr; gap: 12px; }
  .route-panel { padding: 20px 16px; }
  .route-intro { flex-direction: column; gap: 12px; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
@media print {
  .header, .seo-footer, .route-switch, .seo-panel, .seo-skip { display: none; }
  .seo-content { max-width: none; width: 100%; padding: 0; }
  .launch-checklist { background: none; border: 1px solid var(--line); }
  .route-panel[hidden] { display: block !important; }
  .table-scroll { overflow: visible; }
  .guide-table { min-width: 0; }
  .seo-doc { background: #fff; }
}