[hidden] { display: none !important; }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--tx);
  font: 400 16px/1.7 var(--font-body);
  overflow-x: hidden;
}
img, canvas { display: block; max-width: 100%; }
a { color: var(--link); }
a:hover { color: var(--link-hover); }
h1, h2, h3 { line-height: 1.25; margin: 0; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
button, select, input { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; inset-inline-start: 16px; top: -80px; z-index: 60; background: var(--acc); color: var(--acc-tx); padding: 10px 16px; font-weight: 700; }
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--max, 1200px); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
section { scroll-margin-top: 90px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 20px; border-radius: var(--btn-r); border: var(--btn-border) solid transparent;
  font-weight: 700; text-decoration: none; cursor: pointer; text-align: center;
  transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.btn:active { transform: translate(1px, 1px); }
.btn-sm { min-height: 44px; padding: 0 16px; font-size: 14px; }
.btn-lg { min-height: 54px; padding: 0 26px; font-size: 17px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--acc); color: var(--acc-tx); border-color: var(--btn-line, var(--acc)); box-shadow: var(--btn-shadow); }
.btn-primary:hover { background: var(--acc-hover); color: var(--acc-tx); }
.btn-ghost { background: var(--ghost-bg); color: var(--tx); border-color: var(--ghost-line); }
.btn-ghost:hover { background: var(--ghost-hover); color: var(--tx); }
.btn-muted { background: var(--muted-bg); color: var(--mut); border-color: var(--muted-line); cursor: default; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.link-btn { align-self: center; background: none; border: none; color: var(--link); cursor: pointer; padding: 8px 4px; min-height: 44px; text-decoration: underline; text-underline-offset: 4px; }

.top { position: sticky; top: 0; z-index: 30; background: var(--top-bg); border-bottom: var(--top-border); backdrop-filter: blur(12px); }
.top-in { display: flex; align-items: center; gap: 10px 22px; min-height: 72px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--tx); text-decoration: none; }
.brand:hover { color: var(--tx); }
.brand-name { font: 700 23px/1 var(--font-brand); letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; }
.nav { display: flex; gap: 2px; margin-inline-start: auto; }
.nav a { color: var(--nav); text-decoration: none; padding: 10px 12px; font-size: 15px; font-weight: 600; border-radius: 10px; }
.nav a:hover { color: var(--tx); background: var(--nav-hover); }
.lang-menu { position: relative; }
.lang-menu summary { list-style: none; display: flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 14px; cursor: pointer; font-size: 14px; font-weight: 600; background: var(--pill-bg); border: var(--pill-border); border-radius: var(--pill-r); }
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu ul { position: absolute; inset-inline-end: 0; top: calc(100% + 8px); list-style: none; background: var(--menu-bg); border: var(--menu-border); border-radius: var(--menu-r); padding: 6px; min-width: 210px; display: grid; grid-template-columns: 1fr 1fr; gap: 2px; box-shadow: var(--menu-shadow); z-index: 40; }
.lang-menu a { display: block; padding: 9px 10px; color: var(--tx); text-decoration: none; border-radius: 8px; font-size: 14px; }
.lang-menu a:hover, .lang-menu a[aria-current] { background: var(--nav-hover); }
.lang-menu a[aria-current] { font-weight: 700; }

.sec-head { max-width: 680px; margin-bottom: 32px; }
.sec-head h2 { font: var(--h2-weight) clamp(28px, 3.6vw, 44px)/1.2 var(--font-head); }
.sec-head p { color: var(--mut); margin-top: 10px; font-size: 17px; }

.card { background: var(--card); border: var(--card-border); border-radius: var(--card-r); padding: 20px; }
.try { padding: 72px 0; background: var(--band); border-block: var(--band-border); }
.try-grid { display: grid; grid-template-columns: minmax(0, 390px) minmax(0, 1fr); gap: 24px; align-items: start; }
.try-form { display: flex; flex-direction: column; gap: 14px; }
.drop { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center; min-height: 190px; padding: 22px; border: var(--drop-border); border-radius: var(--drop-r); background: var(--drop-bg); cursor: pointer; transition: border-color .15s, background-color .15s; }
.drop:hover, .drop.over { border-color: var(--acc); }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop:focus-within { outline: 3px solid var(--focus); outline-offset: 3px; }
.drop svg { color: var(--acc); }
.drop-title { font-weight: 700; overflow-wrap: anywhere; }
.drop-sub { color: var(--mut); font-size: 13px; }
.drop.has { border-style: solid; border-color: var(--ok); }
.row2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { color: var(--mut); font-size: 13px; font-weight: 600; }
.field select { width: 100%; min-width: 0; min-height: 48px; border-radius: var(--input-r); border: var(--input-border); background: var(--input-bg); padding: 0 12px; }
.quota { color: var(--mut); font-size: 13px; text-align: center; min-height: 1.7em; }
.err { background: var(--err-bg); border: 1px solid var(--err-line); color: var(--err-tx); padding: 10px 14px; border-radius: 10px; font-size: 14px; }
.result { min-height: 440px; display: flex; flex-direction: column; }
.empty, .loading { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; color: var(--mut); text-align: center; padding: 30px 10px; }
.empty-art { position: relative; width: 150px; height: 196px; background: #F4F1EA; border: 3px solid #111; }
.empty-art .b { position: absolute; background: #fff; border: 2px solid #111; border-radius: 50%; }
.empty-art .b1 { width: 70px; height: 46px; top: 14px; right: 12px; }
.empty-art .b2 { width: 60px; height: 40px; top: 80px; left: 10px; }
.empty-art .b3 { width: 76px; height: 44px; bottom: 14px; right: 28px; }
.skeleton { width: min(320px, 80%); aspect-ratio: 3 / 4; border-radius: 10px; background: linear-gradient(90deg, var(--sk1) 0%, var(--sk2) 50%, var(--sk1) 100%); background-size: 200% 100%; animation: shimmer 1.4s linear infinite; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.view { display: flex; flex-direction: column; gap: 14px; }
.view-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--seg-bg); border: var(--seg-border); border-radius: var(--seg-r); padding: 4px; min-width: 220px; }
.seg button { min-height: 42px; border: none; border-radius: calc(var(--seg-r) - 3px); background: none; color: var(--mut); font-weight: 700; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--seg-on); color: var(--seg-on-tx); }
.view-page { background: #F4F1EA; border-radius: 8px; overflow: auto; max-height: 80vh; }
.view-page canvas, .view-page img { width: 100%; height: auto; }
.meta { color: var(--mut); font-size: 13px; }
.texts { border-top: 1px solid var(--line); padding-top: 12px; }
.texts summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; font-weight: 700; }
.texts ol { padding-inline-start: 22px; display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }
.texts .o { display: block; color: var(--mut); font-size: 13px; }

.features { padding: 80px 0; }
.f-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--grid-gap); }
.f { background: var(--card); border: var(--card-border); border-radius: var(--card-r); padding: 24px; display: flex; flex-direction: column; gap: 8px; }
.f h3 { font-size: 19px; }
.f p { color: var(--mut); font-size: 15px; }
.f-ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--ic-bg); color: var(--acc); }
.f-ic svg { width: 22px; height: 22px; }

.how { padding: 80px 0; background: var(--band); border-block: var(--band-border); }
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--grid-gap); }
.steps li { background: var(--card); border: var(--card-border); border-radius: var(--card-r); padding: 24px; }
.steps .n { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--acc); color: var(--acc-tx); font-weight: 800; margin-bottom: 12px; }
.steps h3 { font-size: 19px; margin-bottom: 6px; }
.steps p { color: var(--mut); font-size: 15px; }
.langs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.langs span { padding: 7px 15px; border-radius: var(--pill-r); background: var(--chip-bg); border: var(--chip-border); font-size: 14px; }

.dl { padding: 72px 0; }
.dl-in { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; background: var(--card); border: var(--card-border); border-radius: calc(var(--card-r) + 6px); padding: 36px; }
.dl-copy { flex: 1 1 420px; }
.dl h2 { font: var(--h2-weight) clamp(26px, 3vw, 38px)/1.2 var(--font-head); margin-bottom: 10px; }
.dl p { color: var(--mut); }
.dl-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.faq { padding: 20px 0 80px; }
.faq details { border-bottom: var(--faq-line); }
.faq summary { cursor: pointer; padding: 20px 0; font-weight: 700; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--acc); font-size: 24px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--mut); padding-bottom: 20px; }

.foot { background: var(--foot-bg); color: var(--foot-tx); border-top: var(--foot-border); padding: 30px 0 38px; font-size: 14px; }
.foot-in { display: flex; flex-wrap: wrap; gap: 12px 26px; justify-content: space-between; align-items: center; }
.foot-langs { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 14px; flex-basis: 100%; }
.foot-langs a { color: var(--foot-tx); text-decoration: none; opacity: .8; }
.foot-langs a:hover, .foot-langs a[aria-current] { opacity: 1; text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .skeleton { animation: none; }
  * { transition: none !important; }
}
@media (max-width: 980px) {
  .try-grid { grid-template-columns: 1fr; }
  .f-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  .nav { display: none; }
  .lang-menu { margin-inline-start: auto; }
  .top-cta { display: none; }
  .f-grid { grid-template-columns: 1fr; }
  .row2 { grid-template-columns: 1fr; }
  .card { padding: 16px; }
  .dl-in { padding: 24px; }
  .seg { width: 100%; }
  .view-bar .btn { flex: 1 1 100%; }
  .try, .features, .how { padding: 56px 0; }
}
.brand-mark svg { display: block; width: 38px; height: 38px; }
.lg-bg { fill: var(--logo-bg, var(--acc)); }
.lg-b { fill: #FFFFFF; stroke: var(--logo-ink, #111111); stroke-width: 4; }
.lg-y { fill: none; stroke: var(--logo-ink, #111111); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; }