/* PV30 website — SIGNAL visual language (dark stage, acid-green signal). */
@font-face { font-family: 'Michroma'; src: url('/fonts/michroma-latin-400-normal.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'IBM Plex Mono'; src: url('/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'IBM Plex Mono'; src: url('/fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2'); font-weight: 500; font-display: swap; }

:root {
  --bg: #060708;
  --panel: #0b0d0f;
  --raised: #121518;
  --raised-2: #181c20;
  --fg: #f2f5f1;
  --muted: #aab5ac;
  --dim: #6f7a72;
  --acc: #b8ff29;
  --acc-ink: #0e1206;
  --acc-soft: rgba(184, 255, 41, .12);
  --amber: #ffd34e;
  --line: rgba(236, 255, 238, .11);
  --line-strong: rgba(236, 255, 238, .26);
  --radius: 14px;
  --display: 'Michroma', 'Eurostile', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --track: -0.025em;
  color-scheme: dark;
}
html[lang^='zh'] { --sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', sans-serif; --track: 0; }
html[lang='ja'] { --sans: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', 'Noto Sans JP', sans-serif; --track: 0; }
html[lang='ko'] { --sans: -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Pretendard', 'Malgun Gothic', 'Noto Sans KR', sans-serif; --track: -0.01em; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
html[lang='ja'] body, html[lang='ko'] body, html[lang^='zh'] body { line-height: 1.8; word-break: normal; overflow-wrap: anywhere; }
html[lang='ko'] body { word-break: keep-all; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: var(--track); line-height: 1.12; text-wrap: balance; }
p { margin: 0; }
em { font-style: normal; color: var(--acc); }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: min(1200px, 100% - 48px); margin-inline: auto; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .04em; color: var(--dim); }
.icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.icon-xs { width: 12px; height: 12px; stroke-width: 2.2; }

.skip { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--acc); color: var(--acc-ink); border-radius: 8px; font-weight: 600; }
.skip:focus { top: 12px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 22px;
  background: var(--acc); color: var(--acc-ink); border: 1px solid var(--acc); border-radius: 999px;
  font-weight: 650; font-size: 15px; letter-spacing: 0; white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background .2s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 30px -10px rgba(184, 255, 41, .55); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--fg); box-shadow: none; }
.btn-sm { min-height: 38px; padding: 0 16px; font-size: 14px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(6, 7, 8, .72); backdrop-filter: saturate(140%) blur(14px); -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-name { font-family: var(--display); font-size: 17px; letter-spacing: .08em; }
.site-nav { display: flex; gap: 26px; margin-right: auto; font-size: 14.5px; color: var(--muted); }
.site-nav a:hover { color: var(--fg); }
.site-nav .nav-app { display: none; } /* mobile menu only; desktop uses the header button */
.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.lang { position: relative; }
.lang summary {
  list-style: none; display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: 999px; cursor: pointer; font-size: 13.5px; color: var(--muted);
}
.lang summary::-webkit-details-marker { display: none; }
.lang summary:hover, .lang[open] summary { color: var(--fg); border-color: var(--line-strong); }
.lang ul {
  position: absolute; right: 0; top: calc(100% + 8px); margin: 0; padding: 6px; list-style: none; min-width: 160px;
  background: var(--raised); border: 1px solid var(--line-strong); border-radius: 12px; box-shadow: 0 20px 50px -20px #000;
}
.lang li a { display: block; padding: 8px 12px; border-radius: 8px; font-size: 14px; color: var(--muted); }
.lang li a:hover { background: var(--raised-2); color: var(--fg); }
.lang li a[aria-current='page'] { color: var(--acc); }
.menu-btn { display: none; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 999px; background: none; cursor: pointer; position: relative; }
.menu-btn i { position: absolute; left: 12px; right: 12px; height: 1.5px; background: var(--fg); transition: transform .2s; }
.menu-btn i:first-of-type { top: 16px; } .menu-btn i:last-of-type { top: 22px; }
.site-header[data-open] .menu-btn i:first-of-type { transform: translateY(3px) rotate(45deg); }
.site-header[data-open] .menu-btn i:last-of-type { transform: translateY(-3px) rotate(-45deg); }

/* ---------- shared section bits ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px;
  font-family: var(--mono); font-size: 12.5px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--acc);
}
html[lang^='zh'] .eyebrow, html[lang='ja'] .eyebrow, html[lang='ko'] .eyebrow { letter-spacing: .06em; }
/* Mono has no CJK glyphs; fallback spacing looks broken, so CJK labels use the UI sans. */
html:not([lang='en']) .hero-facts li, html:not([lang='en']) .thinking, html:not([lang='en']) .facts dt { font-family: var(--sans); letter-spacing: 0; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 0 0 rgba(184, 255, 41, .6); animation: pulse 2.2s infinite; flex: none; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(184, 255, 41, 0); } 100% { box-shadow: 0 0 0 0 rgba(184, 255, 41, 0); } }
.section { padding: 120px 0 0; }
.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head h2 { font-size: clamp(2rem, 3.6vw, 3.1rem); }
.section-head .lead { margin-top: 18px; font-size: 18px; color: var(--muted); max-width: 640px; }
.card {
  position: relative; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, .025), transparent 60%), var(--panel);
  transition: border-color .25s, transform .25s;
}
.card:hover { border-color: var(--line-strong); }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }
.cards { display: grid; gap: 16px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- hero ---------- */
.hero { position: relative; padding: 72px 0 96px; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 55% at 78% 30%, rgba(184, 255, 41, .10), transparent 70%),
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 64px 64px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 64px 64px;
  mask-image: radial-gradient(ellipse 90% 80% at 60% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 60% 30%, #000 30%, transparent 75%);
  opacity: .55;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 4.4fr) minmax(0, 7.6fr); gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(2.5rem, 4.3vw, 4rem); line-height: 1.04; }
html[lang^='zh'] .hero h1, html[lang='ja'] .hero h1, html[lang='ko'] .hero h1 { font-size: clamp(2.2rem, 3.6vw, 3.3rem); line-height: 1.22; }
/* Break Japanese headings at phrase boundaries (Chrome 119+), never mid-word. */
html[lang='ja'] h1, html[lang='ja'] h2, html[lang='ja'] h3 { word-break: auto-phrase; }
.hero-lead { margin-top: 24px; font-size: 18px; color: var(--muted); max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 36px 0 0; padding: 22px 0 0; list-style: none; border-top: 1px solid var(--line); }
.hero-facts li { position: relative; padding-left: 16px; font-family: var(--mono); font-size: 12.5px; color: var(--muted); letter-spacing: .02em; }
.hero-facts li::before { content: ''; position: absolute; left: 0; top: .65em; width: 6px; height: 6px; background: var(--acc); border-radius: 1px; }

/* ---------- real product screenshots ---------- */
.shot { margin: 0; }
.shot-frame {
  position: relative; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 14px; background: var(--panel);
  box-shadow: 0 40px 120px -40px rgba(0, 0, 0, .9), 0 0 0 1px rgba(0, 0, 0, .6), 0 0 80px -30px rgba(184, 255, 41, .22);
}
.shot-frame img { width: 100%; height: auto; }
.shot figcaption { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-size: 13px; color: var(--muted); }
.real-badge { flex: none; padding: 2px 9px; border-radius: 999px; background: var(--acc-soft); border: 1px solid rgba(184, 255, 41, .35); color: var(--acc); font-family: var(--mono); font-size: 11px; letter-spacing: .04em; }
html:not([lang='en']) .real-badge { font-family: var(--sans); letter-spacing: 0; }
.shot-wide { max-width: 920px; margin: 44px auto 0; }
.type-frame { margin: 0 0 22px; }
.type-frame img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); }
.type-frame figcaption { margin-top: 8px; font-family: var(--mono); font-size: 11.5px; color: var(--dim); }
html:not([lang='en']) .type-frame figcaption { font-family: var(--sans); }

/* ---------- video types ---------- */
.type-card { display: flex; flex-direction: column; }
.type-card p:not(.range) { flex: 1; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 18px 0 0; padding: 0; list-style: none; }
.chips li { padding: 3px 10px; border: 1px solid var(--line-strong); border-radius: 999px; font-size: 12.5px; color: var(--muted); }
.chips-acc { margin: 0; }
.chips-acc li { border-color: rgba(184, 255, 41, .35); color: var(--fg); background: var(--acc-soft); }
.range { margin-top: 16px; color: var(--acc); }
.type-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px 0 0; }
.type-meta > div { display: grid; gap: 10px; align-content: start; padding: 20px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.type-meta dt { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--dim); }
.type-meta dd { margin: 0; color: var(--muted); font-size: 15px; }
html:not([lang='en']) .type-meta dt { font-family: var(--sans); letter-spacing: 0; }

/* ---------- models ---------- */
.models td.is-us { width: 36%; font-weight: 500; }
.models tbody th { width: 12%; }

/* ---------- what is ---------- */
.what { padding: 24px 0 0; }
.what-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 56px; padding: 56px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }
.what h2 { font-size: clamp(1.7rem, 2.6vw, 2.3rem); margin-bottom: 18px; }
.definition { font-size: 18px; color: var(--muted); }
.facts { display: grid; gap: 0; margin: 0; align-content: start; }
.facts div { display: grid; grid-template-columns: 130px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.facts div:first-child { border-top: 1px solid var(--line); }
.facts dt { font-family: var(--mono); font-size: 12px; color: var(--dim); text-transform: uppercase; letter-spacing: .06em; padding-top: 2px; }
.facts dd { margin: 0; font-size: 14.5px; }

/* ---------- inputs ---------- */
.tag { color: var(--acc); }
.input-art { height: 112px; margin: 18px 0 22px; border-radius: 10px; border: 1px solid var(--line); background-color: var(--raised); }
.input-art-1 {
  background:
    linear-gradient(var(--acc), var(--acc)) 30px 40px / 2px 14px no-repeat,
    linear-gradient(var(--raised-2), var(--raised-2)) 20px 32px / calc(100% - 40px) 30px no-repeat,
    linear-gradient(var(--line-strong), var(--line-strong)) 20px 20px / 70px 5px no-repeat,
    linear-gradient(var(--raised-2), var(--raised-2)) 20px 74px / calc(100% - 40px) 22px no-repeat,
    var(--raised);
}
.input-art-2 {
  background:
    linear-gradient(var(--acc), var(--acc)) 20px 22px / 52px 6px no-repeat,
    linear-gradient(var(--line-strong), var(--line-strong)) 20px 40px / 75% 5px no-repeat,
    linear-gradient(var(--line-strong), var(--line-strong)) 20px 54px / 62% 5px no-repeat,
    linear-gradient(var(--line-strong), var(--line-strong)) 20px 68px / 70% 5px no-repeat,
    linear-gradient(var(--line), var(--line)) 20px 86px / 40% 5px no-repeat,
    var(--raised);
}
.input-art-3 {
  background:
    repeating-linear-gradient(90deg, rgba(184, 255, 41, .55) 0 2px, transparent 2px 6px) 20px 84px / calc(100% - 40px) 12px no-repeat,
    linear-gradient(transparent, transparent),
    linear-gradient(135deg, #3b2e22, #14100c) 20px 16px / calc(100% - 40px) 58px no-repeat,
    var(--raised);
}

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin: 0; padding: 0; list-style: none; counter-reset: s; }
.step { position: relative; padding: 26px 22px 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.step::after { content: ''; position: absolute; top: 40px; right: -17px; width: 17px; height: 1px; background: var(--acc); opacity: .6; }
.step:last-child::after { display: none; }
.step-num { display: block; margin-bottom: 26px; font-family: var(--display); font-size: 26px; color: var(--acc); }
.step h3 { font-size: 18px; margin-bottom: 10px; }
.step p { font-size: 14.5px; color: var(--muted); }
.note { margin-top: 20px; font-size: 13px; color: var(--dim); }

/* ---------- features ---------- */
.feature-icon { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 22px; border-radius: 12px; background: var(--acc-soft); color: var(--acc); border: 1px solid rgba(184, 255, 41, .2); }
.feature-icon .icon { width: 20px; height: 20px; }
.feature h3 { font-size: 17.5px; }

/* ---------- workspace ---------- */
.ws-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.ws-grid .section-head { margin-bottom: 36px; }
.points { margin: 0; padding: 0; list-style: none; display: grid; gap: 0; }
.points li { display: grid; grid-template-columns: 44px 1fr; gap: 12px; padding: 20px 0; border-top: 1px solid var(--line); }
.points .mono { color: var(--acc); padding-top: 3px; }
.points h3 { font-size: 17px; margin-bottom: 6px; }
.points p { color: var(--muted); font-size: 15px; }
/* ---------- audience ---------- */
.audience-card { padding-top: 64px; }
.audience-card::before { content: ''; position: absolute; left: 28px; top: 28px; width: 20px; height: 3px; background: var(--acc); border-radius: 2px; }

/* ---------- compare ---------- */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.compare { width: 100%; min-width: 680px; border-collapse: collapse; font-size: 15px; }
.compare th, .compare td { padding: 16px 22px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.compare tbody tr:last-child > * { border-bottom: 0; }
.compare thead th { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--dim); }
.compare thead th.is-us { color: var(--acc); }
.compare tbody th { width: 22%; font-weight: 600; }
.compare td { color: var(--muted); }
.compare td.is-us { color: var(--fg); background: rgba(184, 255, 41, .045); width: 39%; }

/* ---------- faq ---------- */
.faq-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 56px; align-items: start; }
.faq-grid .section-head { position: sticky; top: 110px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 0; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item h3 { font-size: 17.5px; font-weight: 600; line-height: 1.4; }
.faq-item p { padding: 0 48px 24px 0; color: var(--muted); }
.plus { position: relative; flex: none; width: 28px; height: 28px; border: 1px solid var(--line-strong); border-radius: 50%; }
.plus::before, .plus::after { content: ''; position: absolute; left: 50%; top: 50%; width: 10px; height: 1.5px; margin: -.75px 0 0 -5px; background: var(--fg); transition: transform .2s; }
.plus::after { transform: rotate(90deg); }
.faq-item[open] .plus { border-color: var(--acc); }
.faq-item[open] .plus::after { transform: rotate(0); }
.faq-item summary:hover h3 { color: var(--acc); }

/* ---------- cta ---------- */
.cta { padding: 140px 0 120px; }
.cta-inner {
  position: relative; overflow: hidden; padding: 80px 40px; text-align: center; border: 1px solid rgba(184, 255, 41, .3); border-radius: 24px;
  background: radial-gradient(70% 120% at 50% 0%, rgba(184, 255, 41, .16), transparent 70%), var(--panel);
}
.cta h2 { font-size: clamp(2rem, 4vw, 3.3rem); }
.cta p { margin: 18px auto 34px; max-width: 560px; color: var(--muted); font-size: 18px; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 64px 0 40px; background: #050606; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand p { margin-top: 16px; color: var(--muted); font-size: 14px; max-width: 320px; }
.site-footer nav { display: grid; align-content: start; gap: 10px; font-size: 14px; color: var(--muted); }
.site-footer nav h2 { margin-bottom: 6px; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.site-footer nav a:hover { color: var(--acc); }
.footer-base { display: flex; justify-content: space-between; gap: 24px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--dim); }

/* ---------- language suggestion ---------- */
.suggest {
  position: fixed; left: 50%; bottom: 20px; z-index: 60; transform: translateX(-50%);
  display: flex; align-items: center; gap: 14px; width: max-content; max-width: calc(100% - 32px); padding: 10px 10px 10px 18px;
  background: var(--raised); border: 1px solid var(--line-strong); border-radius: 999px; box-shadow: 0 20px 50px -20px #000; font-size: 14px;
}
.suggest[hidden] { display: none; }
.suggest a { color: var(--acc); font-weight: 600; white-space: nowrap; }
.suggest button { width: 30px; height: 30px; border: 0; border-radius: 50%; background: var(--raised-2); color: var(--muted); cursor: pointer; font-size: 16px; line-height: 1; }

/* ---------- 404 ---------- */
.nf-main { min-height: 100vh; padding: 48px 0; display: flex; flex-direction: column; justify-content: center; gap: 32px; }
.nf-code { font-family: var(--display); font-size: clamp(5rem, 14vw, 10rem); line-height: 1; color: var(--acc); }
.nf-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.nf-block { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.nf-block h2 { font-size: 18px; margin-bottom: 8px; }
.nf-block p { color: var(--muted); font-size: 14px; margin-bottom: 18px; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-copy { max-width: 720px; }
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .ws-grid, .faq-grid, .what-grid, .type-meta { grid-template-columns: 1fr; gap: 40px; }
  .type-meta { gap: 16px; }
  .faq-grid .section-head { position: static; margin-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nf-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .menu-btn { display: block; }
  .site-nav {
    position: absolute; left: 0; right: 0; top: 68px; display: none; flex-direction: column; gap: 0; padding: 8px 24px 20px;
    background: rgba(6, 7, 8, .97); border-bottom: 1px solid var(--line);
  }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .site-header[data-open] .site-nav { display: flex; }
  .header-actions .btn-sm { display: none; }
  .site-nav .nav-app { display: block; color: var(--acc); font-weight: 600; border-bottom: 0; }
}
@media (max-width: 720px) {
  .wrap { width: calc(100% - 32px); }
  .section { padding-top: 88px; }
  .section-head { margin-bottom: 36px; }
  .section-head .lead, .hero-lead, .definition { font-size: 16.5px; }
  .hero { padding: 40px 0 64px; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
  .cards-3, .cards-4, .steps { grid-template-columns: 1fr; }
  .what-grid { padding: 28px 22px; }
  .facts div { grid-template-columns: 1fr; gap: 2px; }
  .faq-item p { padding-right: 0; }
  .cta { padding: 96px 0 80px; }
  .cta-inner { padding: 56px 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-base { flex-direction: column; }
  .nf-grid { grid-template-columns: 1fr; }
  .lang summary span { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}
@media print {
  .site-header, .suggest, .shot { display: none; }
  body { background: #fff; color: #000; }
}