:root{
  --bg:#07131d;
  --bg-2:#0d1d2a;
  --panel:rgba(12,25,37,.78);
  --panel-strong:#102434;
  --card:rgba(16,35,51,.72);
  --line:rgba(185,224,255,.12);
  --text:#f4f7fb;
  --muted:#b7c8d6;
  --accent:#57d7c4;
  --accent-2:#ffb56b;
  --accent-3:#7ab6ff;
  --danger:#ff8e7d;
  --shadow:0 24px 70px rgba(0,0,0,.34);
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --content:1240px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  font-family:"Aptos","Segoe UI Variable Text","Trebuchet MS",sans-serif;
  background:
    radial-gradient(circle at 8% 12%, rgba(87,215,196,.18), transparent 26%),
    radial-gradient(circle at 88% 10%, rgba(255,181,107,.14), transparent 22%),
    radial-gradient(circle at 65% 75%, rgba(122,182,255,.14), transparent 28%),
    linear-gradient(180deg, #07131d, #0b1724 30%, #07131d);
  min-height:100vh;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size:32px 32px;
  mask-image:radial-gradient(circle at center, #000 44%, transparent 88%);
  opacity:.45;
}

body.lightbox-open{
  overflow:hidden;
}

img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
figure{margin:0}
button{font:inherit}

.site-shell{
  width:min(calc(100% - 32px), var(--content));
  margin:0 auto;
  padding:20px 0 40px;
}

.topbar{
  position:sticky;
  top:14px;
  z-index:40;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 18px;
  border:1px solid var(--line);
  border-radius:22px;
  background:rgba(8,18,28,.72);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
  cursor:default;
}

.brand__mark{
  width:46px;
  height:46px;
  border-radius:16px;
  display:grid;
  place-items:center;
  overflow:hidden;
  background:#fff;
  box-shadow:0 14px 26px rgba(87,215,196,.18);
}

.brand__mark img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.brand__text{
  display:grid;
  gap:2px;
}

.brand__text strong{
  font-size:1rem;
}

.brand__text span{
  color:var(--muted);
  font-size:.88rem;
}

.nav{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px 16px;
}

.nav a{
  color:var(--muted);
  font-size:.95rem;
  transition:color .2s ease;
}

.nav a:hover{
  color:var(--text);
}

.topbar__actions{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:10px;
  flex-wrap:wrap;
}

.btn{
  border:none;
  border-radius:999px;
  padding:12px 18px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:700;
  letter-spacing:.01em;
  transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}

.btn:hover{transform:translateY(-1px)}

.btn--primary{
  color:#07131d;
  background:linear-gradient(135deg, var(--accent), #8ef0c9);
  box-shadow:0 18px 32px rgba(87,215,196,.18);
}

.btn--secondary{
  color:var(--text);
  background:linear-gradient(135deg, rgba(122,182,255,.16), rgba(255,181,107,.16));
  border:1px solid rgba(255,255,255,.08);
}

.btn--ghost{
  color:var(--text);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}

.lang-switch{
  position:relative;
  min-width:96px;
  height:48px;
  padding:4px;
  border-radius:999px;
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  border:none;
  color:var(--text);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  cursor:pointer;
  overflow:hidden;
  isolation:isolate;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
  transition:transform .18s ease, border-color .28s ease, box-shadow .28s ease, background .28s ease;
}

.lang-switch:hover{
  transform:translateY(-1px);
  border-color:rgba(143,238,224,.24);
  box-shadow:0 12px 26px rgba(0,0,0,.18), inset 0 1px 0 rgba(255,255,255,.05);
}

.lang-switch::before{
  content:"";
  position:absolute;
  top:4px;
  left:4px;
  width:40px;
  height:40px;
  border-radius:999px;
  background:linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow:0 10px 20px rgba(87,215,196,.16);
  z-index:0;
  transition:transform .36s cubic-bezier(.22,.8,.24,1), box-shadow .28s ease, filter .28s ease;
}

body[data-language="en"] .lang-switch::before{
  transform:translateX(44px);
}

.lang-switch:active::before{
  filter:saturate(1.06);
}

.lang-switch__option{
  position:relative;
  z-index:1;
  display:grid;
  place-items:center;
  min-width:44px;
  height:100%;
  color:var(--muted);
  font-weight:800;
  letter-spacing:.03em;
  transition:color .28s ease, transform .28s ease, letter-spacing .28s ease, opacity .28s ease;
}

body[data-language="ru"] .lang-switch__option--ru,
body[data-language="en"] .lang-switch__option--en{
  color:#08131a;
  transform:translateY(-.5px) scale(1.03);
}

body[data-language="ru"] .lang-switch__option--en,
body[data-language="en"] .lang-switch__option--ru{
  color:#d0dbe5;
  opacity:.92;
}

main{
  display:grid;
  gap:28px;
  margin-top:26px;
}

.hero{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:22px;
  align-items:stretch;
}

.hero--guide{
  grid-template-columns:1.08fr .92fr;
}

.hero__copy,
.guide-sidecard,
.panel,
.comparison__col,
.timeline-card,
.shot-card,
.feature-card,
.step-card,
.info-card,
.callout,
.cta-strip,
.hero-card,
.download-card{
  border:1px solid var(--line);
  background:var(--panel);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow);
}

.hero__copy{
  padding:32px;
  border-radius:var(--radius-xl);
  display:grid;
  align-content:center;
  gap:18px;
}

.eyebrow{
  width:fit-content;
  padding:8px 12px;
  border-radius:999px;
  color:#d9fff7;
  background:rgba(87,215,196,.12);
  border:1px solid rgba(87,215,196,.24);
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
}

h1,h2,h3,strong{
  font-family:"Aptos Display","Segoe UI Variable Display","Trebuchet MS",sans-serif;
}

h1{
  margin:0;
  font-size:clamp(2.55rem, 4vw, 4.9rem);
  line-height:.98;
  letter-spacing:-.04em;
  max-width:13.5ch;
  text-wrap:balance;
}

h2{
  margin:0;
  font-size:clamp(1.62rem, 2.25vw, 2.6rem);
  line-height:1.08;
  letter-spacing:-.03em;
  max-width:26ch;
  text-wrap:balance;
}

h3{
  margin:0;
  font-size:1.12rem;
  line-height:1.22;
  text-wrap:balance;
}

p{
  margin:0;
  color:var(--muted);
  line-height:1.7;
}

.hero__lead{
  font-size:1.05rem;
  max-width:60ch;
}

.hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:4px;
}

.hero-badges{
  list-style:none;
  padding:0;
  margin:8px 0 0;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.hero-badges li{
  padding:10px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  color:#d7e7f3;
  font-size:.92rem;
}

.hero__visual{
  display:grid;
  gap:18px;
}

.hero-card{
  padding:18px;
  border-radius:var(--radius-xl);
  overflow:hidden;
}

.hero-card__meta{
  display:grid;
  gap:6px;
  margin-bottom:14px;
}

.hero-card__meta span{
  color:#8feee0;
  font-size:.86rem;
  text-transform:uppercase;
  letter-spacing:.08em;
}

.guide-sidecard{
  padding:28px;
  border-radius:var(--radius-xl);
}

.guide-sidecard strong{
  display:block;
  margin-bottom:12px;
  font-size:1.18rem;
}

.guide-sidecard ol{
  margin:0;
  padding-left:22px;
  color:var(--muted);
  display:grid;
  gap:12px;
  line-height:1.6;
}

.section,
.section-grid{
  display:grid;
  gap:18px;
}

.section-grid{
  grid-template-columns:1.1fr .9fr;
}

.section__head{
  display:grid;
  gap:10px;
}

.section__head p{
  max-width:72ch;
}

.section__head--wide h2{
  max-width:34ch;
}

.panel{
  padding:26px;
  border-radius:var(--radius-xl);
}

.panel--accent{
  background:
    radial-gradient(circle at right top, rgba(255,181,107,.18), transparent 34%),
    var(--panel);
}

.mini-grid,
.feature-grid,
.step-list,
.timeline,
.shots,
.download-grid,
.guide-visual-grid{
  display:grid;
  gap:16px;
}

.mini-grid{
  grid-template-columns:repeat(3, 1fr);
  margin-top:16px;
}

.mini-card{
  padding:18px;
  border-radius:20px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}

.mini-card strong{
  display:block;
  margin-bottom:8px;
}

.feature-list{
  margin:12px 0 0;
  padding-left:18px;
  display:grid;
  gap:12px;
  color:var(--muted);
}

.download-grid{
  grid-template-columns:repeat(3, 1fr);
}

.download-card{
  min-height:100%;
  padding:22px;
  border-radius:26px;
  display:grid;
  align-content:start;
  gap:12px;
  transition:transform .18s ease, border-color .18s ease, background .18s ease;
}

.download-card:hover{
  transform:translateY(-2px);
  border-color:rgba(143,238,224,.24);
  background:
    radial-gradient(circle at right top, rgba(122,182,255,.14), transparent 34%),
    rgba(14,29,43,.88);
}

.download-card__badge{
  width:fit-content;
  padding:7px 10px;
  border-radius:999px;
  color:#dbf4ff;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  font-size:.8rem;
  font-weight:700;
  letter-spacing:.04em;
  text-transform:uppercase;
}

.download-card__action{
  color:#c4fff5;
  font-weight:700;
}

.comparison{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:18px;
}

.comparison__col{
  padding:24px;
  border-radius:var(--radius-xl);
}

.comparison__col--focus{
  background:
    radial-gradient(circle at left top, rgba(87,215,196,.14), transparent 28%),
    rgba(14,31,46,.88);
}

.comparison__col--muted{
  background:
    radial-gradient(circle at right top, rgba(255,142,125,.08), transparent 30%),
    rgba(13,26,39,.74);
}

.comparison__label{
  display:inline-flex;
  margin-bottom:14px;
  padding:8px 12px;
  border-radius:999px;
  font-size:.85rem;
  color:#d7e7f3;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
}

.comparison ul{
  margin:0;
  padding-left:18px;
  color:var(--muted);
  display:grid;
  gap:12px;
}

.timeline{
  grid-template-columns:repeat(4, 1fr);
}

.timeline-card{
  position:relative;
  padding:22px;
  border-radius:26px;
}

.timeline-card > span,
.step-card > span{
  display:inline-grid;
  place-items:center;
  width:48px;
  height:48px;
  border-radius:16px;
  color:#08131a;
  background:linear-gradient(135deg, var(--accent-2), var(--accent));
  font-weight:800;
  margin-bottom:16px;
}

.timeline-card p,
.step-card p,
.feature-card p,
.info-card p,
.callout p{
  margin-top:10px;
}

.shots{
  grid-template-columns:repeat(2, 1fr);
}

.guide-visual-grid{
  grid-template-columns:repeat(2, 1fr);
}

.section--usage{
  gap:20px;
}

.usage-walkthrough,
.guide-map-card{
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  background:var(--panel);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow);
}

.usage-walkthrough{
  display:grid;
  gap:18px;
}

.usage-steps{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:12px;
}

.usage-step{
  padding:16px 18px;
  border-radius:22px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.035);
  color:var(--text);
  display:flex;
  align-items:flex-start;
  gap:14px;
  text-align:left;
  cursor:pointer;
  transition:transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}

.usage-step:hover{
  transform:translateY(-1px);
  border-color:rgba(143,238,224,.24);
  background:rgba(255,255,255,.05);
}

.usage-step.is-active{
  border-color:rgba(143,238,224,.32);
  background:
    radial-gradient(circle at left top, rgba(122,182,255,.14), transparent 34%),
    rgba(14,29,43,.88);
  box-shadow:0 18px 36px rgba(0,0,0,.24);
}

.usage-step__num,
.usage-slide__kicker{
  width:fit-content;
  min-width:54px;
  padding:8px 12px;
  border-radius:999px;
  display:inline-flex;
  justify-content:center;
  align-items:center;
  color:#08131a;
  background:linear-gradient(135deg, var(--accent-2), var(--accent));
  font-weight:800;
  letter-spacing:.06em;
}

.usage-step__text{
  display:grid;
  gap:6px;
}

.usage-step__text strong{
  font-size:1rem;
  line-height:1.2;
}

.usage-step__text small{
  color:var(--muted);
  font-size:.88rem;
  line-height:1.35;
}

.usage-panels{
  display:grid;
}

.usage-slide{
  display:none;
  grid-template-columns:minmax(0, .82fr) minmax(0, 1.18fr);
  gap:18px;
  align-items:stretch;
}

.usage-slide.is-active{
  display:grid;
}

.usage-slide__copy{
  padding:26px;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.08);
  background:
    radial-gradient(circle at right top, rgba(122,182,255,.12), transparent 30%),
    rgba(13,27,40,.8);
  display:grid;
  align-content:start;
  gap:14px;
}

.usage-slide__copy h3{
  font-size:clamp(1.4rem, 2vw, 2rem);
}

.usage-slide__copy p{
  font-size:1rem;
}

.usage-slide__visual{
  margin:0;
  width:100%;
  max-width:520px;
  justify-self:center;
  align-self:start;
}

.usage-slide__visual .zoomable-media{
  display:grid;
  justify-items:center;
}

.usage-slide__visual .zoomable-media img{
  width:auto;
  max-width:100%;
  max-height:460px;
  margin:0 auto;
}

.usage-slide__visual figcaption{
  display:grid;
  gap:8px;
}

.guide-map-card{
  display:grid;
  grid-template-columns:minmax(0, .42fr) minmax(0, .58fr);
  gap:18px;
  align-items:center;
}

.guide-map-card__copy{
  display:grid;
  gap:14px;
  align-content:center;
}

.guide-map-card__hint{
  font-size:.96rem;
}

.guide-map-card__media{
  display:grid;
}

.lang-asset{
  margin:0;
}

body[data-language="ru"] .lang-asset--en,
body[data-language="en"] .lang-asset--ru{
  display:none;
}

.shot-card--map{
  padding:18px;
}

.shot-card--map .zoomable-media{
  margin-bottom:0;
}

.shot-card{
  padding:16px;
  border-radius:26px;
}

.shot-card .zoomable-media,
.shot-card > img{
  margin-bottom:14px;
}

.shot-card figcaption{
  display:grid;
  gap:8px;
}

.shot-card--compact{
  position:sticky;
  top:104px;
}

.zoomable-media{
  position:relative;
  width:100%;
  padding:0;
  border:none;
  background:transparent;
  border-radius:22px;
  overflow:hidden;
  cursor:zoom-in;
}

.zoomable-media img{
  width:100%;
  border-radius:22px;
  border:1px solid rgba(255,255,255,.08);
  transition:transform .28s ease, filter .28s ease;
}

.zoomable-media:hover img,
.zoomable-media:focus-visible img{
  transform:scale(1.02);
  filter:saturate(1.05);
}

.zoomable-media:focus-visible{
  outline:2px solid rgba(143,238,224,.65);
  outline-offset:4px;
}

.zoomable-media__overlay{
  position:absolute;
  inset:0;
  pointer-events:none;
}

.zoomable-media__icon{
  position:absolute;
  top:14px;
  right:14px;
  min-width:34px;
  height:34px;
  padding:0 10px;
  border-radius:999px;
  display:grid;
  place-items:center;
  color:#eff9ff;
  background:rgba(4,10,16,.48);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(10px);
  opacity:.86;
  transition:transform .22s ease, opacity .22s ease, background .22s ease;
}

.zoomable-media__label{
  position:absolute;
  right:14px;
  bottom:14px;
  max-width:min(70%, 220px);
  padding:8px 12px;
  border-radius:999px;
  color:#eff9ff;
  font-size:.82rem;
  line-height:1.2;
  background:rgba(4,10,16,.7);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(10px);
  opacity:0;
  transform:translateY(8px);
  transition:opacity .22s ease, transform .22s ease;
}

.zoomable-media:hover .zoomable-media__label,
.zoomable-media:focus-visible .zoomable-media__label{
  opacity:1;
  transform:translateY(0);
}

.zoomable-media:hover .zoomable-media__icon,
.zoomable-media:focus-visible .zoomable-media__icon{
  opacity:1;
  transform:scale(1.04);
  background:rgba(6,18,28,.74);
}

.section--features .feature-grid{
  grid-template-columns:repeat(3, 1fr);
}

.feature-card{
  padding:22px;
  border-radius:24px;
}

.step-list{
  grid-template-columns:repeat(4, 1fr);
}

.step-list--wide{
  grid-template-columns:repeat(4, 1fr);
}

.step-card{
  padding:22px;
  border-radius:24px;
}

.step-note{
  display:block;
  margin-top:10px;
  color:#98acbd;
  font-size:.93rem;
  line-height:1.55;
  opacity:.9;
}

.step-note i{
  font-style:italic;
}

.section--split .content-split{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:18px;
}

.content-split__main,
.stack-cards{
  display:grid;
  gap:16px;
}

.info-card{
  padding:22px;
  border-radius:24px;
}

.callout{
  padding:22px 24px;
  border-radius:24px;
  background:
    radial-gradient(circle at right top, rgba(122,182,255,.14), transparent 26%),
    var(--panel);
}

.callout--muted{
  background:
    radial-gradient(circle at right top, rgba(255,181,107,.12), transparent 26%),
    rgba(13,26,39,.74);
}

.cta-strip{
  padding:28px;
  border-radius:28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  background:
    radial-gradient(circle at right top, rgba(255,181,107,.18), transparent 32%),
    radial-gradient(circle at left center, rgba(87,215,196,.18), transparent 28%),
    var(--panel-strong);
}

.cta-strip__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.footer{
  margin-top:24px;
  padding:24px;
  border-radius:24px;
  border:1px solid var(--line);
  background:rgba(8,18,28,.58);
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
}

.footer__links{
  display:flex;
  flex-wrap:wrap;
  gap:12px 16px;
  color:var(--muted);
}

.footer__links a:hover{
  color:var(--text);
}

.lightbox{
  position:fixed;
  inset:0;
  z-index:120;
  display:grid;
  place-items:center;
  padding:24px;
}

.lightbox[hidden]{
  display:none;
}

.lightbox__backdrop{
  position:absolute;
  inset:0;
  border:none;
  background:rgba(2,7,12,.82);
  backdrop-filter:blur(8px);
  cursor:pointer;
}

.lightbox__dialog{
  position:relative;
  z-index:1;
  width:min(94vw, 1420px);
  max-height:90vh;
  padding:18px;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(7,18,28,.92);
  box-shadow:0 40px 100px rgba(0,0,0,.45);
}

.lightbox__image{
  width:100%;
  max-height:calc(90vh - 36px);
  object-fit:contain;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.08);
}

.lightbox__close{
  position:absolute;
  top:12px;
  right:12px;
  width:42px;
  height:42px;
  border:none;
  border-radius:999px;
  color:var(--text);
  background:rgba(5,14,22,.84);
  border:1px solid rgba(255,255,255,.1);
  cursor:pointer;
  font-size:1.4rem;
  line-height:1;
}

@media (max-width: 1160px){
  .hero,
  .hero--guide,
  .section-grid,
  .section--split .content-split,
  .comparison,
  .timeline,
  .step-list,
  .step-list--wide,
  .section--features .feature-grid,
  .shots,
  .mini-grid,
  .download-grid,
  .guide-visual-grid{
    grid-template-columns:1fr 1fr;
  }

  .hero,
  .hero--guide{
    grid-template-columns:1fr;
  }

  .usage-steps{
    grid-template-columns:1fr 1fr;
  }

  .usage-slide,
  .guide-map-card{
    grid-template-columns:1fr;
  }

  .usage-slide__visual{
    width:100%;
    max-width:100%;
    justify-self:stretch;
  }
}

@media (max-width: 860px){
  .site-shell{
    width:min(calc(100% - 20px), var(--content));
    padding-top:14px;
  }

  .topbar{
    width:100%;
    max-width:calc(100vw - 20px);
    max-height:420px;
    right:auto;
    transform-origin:top right;
    transition:
      width .42s cubic-bezier(.22,.8,.24,1),
      height .42s cubic-bezier(.22,.8,.24,1),
      max-height .42s cubic-bezier(.22,.8,.24,1),
      padding .42s cubic-bezier(.22,.8,.24,1),
      border-radius .42s cubic-bezier(.22,.8,.24,1),
      right .42s cubic-bezier(.22,.8,.24,1),
      background .28s ease,
      box-shadow .28s ease,
      transform .42s cubic-bezier(.22,.8,.24,1),
      opacity .28s ease;
    will-change:width, height, transform;
  }

  .topbar:focus{
    outline:none;
  }

  .topbar.is-mobile-collapsed:focus-visible{
    box-shadow:0 18px 46px rgba(0,0,0,.34), 0 0 0 3px rgba(143,238,224,.38);
  }

  .topbar,
  .hero__actions,
  .cta-strip,
  .footer{
    flex-direction:column;
    align-items:flex-start;
  }

  .nav,
  .topbar__actions{
    width:100%;
    justify-content:flex-start;
  }

  .topbar.is-mobile-collapsed,
  .topbar.is-mobile-expanded{
    position:fixed;
    z-index:90;
    top:12px;
    right:10px;
  }

  .topbar.is-mobile-collapsed{
    left:auto;
    width:58px;
    height:58px;
    max-height:58px;
    padding:6px;
    gap:0;
    align-items:center;
    border-radius:18px;
    overflow:hidden;
    cursor:pointer;
    background:rgba(8,18,28,.84);
    box-shadow:0 18px 46px rgba(0,0,0,.34);
    transform:translateY(0) scale(.98);
  }

  .topbar.is-mobile-expanded{
    left:auto;
    right:10px;
    width:calc(100vw - 20px);
    max-width:calc(100vw - 20px);
    height:auto;
    max-height:80vh;
    overflow:hidden;
    cursor:default;
    transform:translateY(0) scale(1);
  }

  .topbar.is-mobile-collapsed .brand{
    gap:0;
    pointer-events:none;
  }

  .topbar.is-mobile-collapsed .brand__mark{
    width:46px;
    height:46px;
    border-radius:14px;
    box-shadow:none;
  }

  .topbar.is-mobile-collapsed .brand__text,
  .topbar.is-mobile-collapsed .nav,
  .topbar.is-mobile-collapsed .topbar__actions{
    width:0;
    max-height:0;
    margin:0;
    opacity:0;
    pointer-events:none;
    overflow:hidden;
    transform:translateY(-8px) scale(.96);
  }

  .brand__text,
  .nav,
  .topbar__actions{
    max-height:180px;
    opacity:1;
    transform:translateY(0) scale(1);
    transition:
      opacity .24s ease,
      transform .32s cubic-bezier(.22,.8,.24,1),
      max-height .32s cubic-bezier(.22,.8,.24,1);
  }

  .section-grid,
  .comparison,
  .timeline,
  .shots,
  .mini-grid,
  .step-list,
  .step-list--wide,
  .section--features .feature-grid,
  .section--split .content-split,
  .download-grid,
  .guide-visual-grid{
    grid-template-columns:1fr;
  }

  .hero__copy,
  .guide-sidecard,
  .panel,
  .comparison__col,
  .cta-strip,
  .usage-walkthrough,
  .guide-map-card{
    padding:22px;
  }

  h1{
    max-width:100%;
    font-size:clamp(2.3rem, 11vw, 3.9rem);
  }

  h2,
  .section__head--wide h2{
    max-width:100%;
  }

  .shot-card--compact{
    position:static;
  }

  .zoomable-media__label{
    max-width:78%;
    font-size:.78rem;
  }

  .usage-steps{
    grid-template-columns:1fr;
  }

  .usage-step{
    padding:14px 16px;
  }

  .usage-slide__copy{
    padding:22px;
  }
}