/* ============================================================
   /cases/linea — «сайт как кейс» для демо-сайта Linea (i2.by).
   Дизайн-система демо (remont/src/app/globals.css), перенесённая
   в ванильный CSS и изолированная под .lna: тёплый молочный,
   бумага чертежа, графит, травертин, латунь; Manrope 200 +
   Onest + курсив Playfair; прямые углы, линии в 1px, сетка 96px.
   Анимации — только transform/opacity.
   ============================================================ */
.lna {
  --lna-milk: #f3efe8;
  --lna-paper: #ebe5db;
  --lna-sand: #ded5c7;
  --lna-stone: #c9b8a0;
  --lna-brass: #b08a4e;
  --lna-brass-hi: #c9a46b;
  --lna-ink: #1e1d1b;
  --lna-ink-2: #2a2825;
  --lna-ink-soft: #4a4640;
  --lna-muted: #8a8277;
  --lna-line: rgb(30 29 27 / 0.14);
  --lna-line-strong: rgb(30 29 27 / 0.32);
  --lna-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --lna-pad: clamp(20px, 2.8vw, 40px);

  position: relative;
  background: var(--lna-milk);
  color: var(--lna-ink);
  font-family: var(--lna-font-text), system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  color-scheme: light;
  overflow-x: clip;
}
.lna *,
.lna *::before,
.lna *::after { box-sizing: border-box; }
.lna a { color: inherit; text-decoration: none; }
.lna h1, .lna h2, .lna h3, .lna p, .lna ul, .lna ol, .lna dl, .lna dd, .lna figure, .lna fieldset, .lna legend { margin: 0; padding: 0; }
.lna ul, .lna ol { list-style: none; }
.lna fieldset { border: 0; min-width: 0; }
.lna :where(button) { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; border-radius: 0; }
.lna em { font-style: normal; }
.lna [id] { scroll-margin-top: calc(var(--site-top, 72px) + 16px); }
.lna ::selection { background: var(--lna-ink); color: var(--lna-milk); }
.lna :focus-visible { outline: 1px solid var(--lna-brass); outline-offset: 4px; }

.lna-container { width: 100%; max-width: 1600px; margin-inline: auto; padding-inline: var(--lna-pad); }
.lna-section { padding-block: clamp(96px, 10vw, 144px); }
.lna-bt { border-top: 1px solid var(--lna-line); }
.lna-paper { background-color: var(--lna-paper); }
.lna-grid-bg {
  background-image: linear-gradient(var(--lna-line) 1px, transparent 1px), linear-gradient(90deg, var(--lna-line) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: -1px -1px;
}
.lna-dark {
  --lna-line: rgb(243 239 232 / 0.14);
  --lna-line-strong: rgb(243 239 232 / 0.32);
  background: var(--lna-ink);
  color: var(--lna-milk);
}

/* ---------- Типографика ---------- */
.lna-display { font-family: var(--lna-font-display), 'Helvetica Neue', sans-serif; font-weight: 200; letter-spacing: -0.045em; line-height: 0.92; }
.lna-accent { font-family: var(--lna-font-accent), Georgia, serif; font-style: italic !important; font-weight: 400; letter-spacing: -0.02em; }
.lna-eyebrow { font-size: 11px; font-weight: 500; letter-spacing: 0.28em; text-transform: uppercase; color: var(--lna-muted); }
.lna-dark .lna-eyebrow { color: var(--lna-stone); }
.lna-dim { font-family: var(--lna-font-display), sans-serif; font-weight: 400; font-size: 11px; letter-spacing: 0.12em; font-variant-numeric: tabular-nums; }
.lna-num { margin-right: 16px; color: var(--lna-brass); letter-spacing: normal; }
.lna-body { font-size: 16px; line-height: 1.65; color: var(--lna-ink-soft); }
.lna-h1 { font-size: clamp(48px, 9.2vw, 168px); color: var(--lna-ink); }
.lna-h2 { font-size: clamp(40px, 6.2vw, 104px); }
.lna-mask-line { display: block; overflow: hidden; padding-bottom: 0.1em; margin-bottom: -0.04em; }
.lna-mask-line > span { display: block; }
.lna-note { margin-top: 16px; font-size: 13px; color: var(--lna-muted); }
.lna-dark .lna-note { color: rgb(243 239 232 / 0.45); }
.lna-dash { display: inline-block; flex-shrink: 0; width: 12px; height: 1px; margin-top: 0.75em; background: var(--lna-brass); }

/* Словесный знак */
.lna-logo { display: inline-flex; align-items: center; gap: 10px; font-family: var(--lna-font-display), sans-serif; font-weight: 300; font-size: 26px; line-height: 1; letter-spacing: -0.04em; }
.lna-logo-line { display: block; width: 20px; height: 1px; background: currentColor; transform-origin: left; transition: transform 0.7s var(--lna-ease); }
.lna-logo-link:hover .lna-logo-line { transform: scaleX(2); }

/* Ссылка с «прорисовкой» линии */
.lna-link-line { position: relative; }
.lna-link-line::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform 0.6s var(--lna-ease); }
.lna-link-line:hover::after { transform: scaleX(1); }

/* ---------- Кнопки (.btn сайта): заливка уезжает слева ---------- */
.lna-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75em;
  min-height: 54px;
  padding: 0 1.9em;
  font-family: var(--lna-font-text), sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  isolation: isolate;
  overflow: hidden;
  transition: color 0.5s var(--lna-ease), border-color 0.5s var(--lna-ease);
}
.lna-btn::before { content: ''; position: absolute; inset: 0; z-index: -1; transform: scaleX(0); transform-origin: left; transition: transform 0.7s var(--lna-ease); }
.lna-btn:hover::before { transform: scaleX(1); }
.lna-arr { display: inline-block; transition: transform 0.6s var(--lna-ease); }
.lna-btn:hover .lna-arr { transform: translateX(4px); }
.lna-btn-sm { min-height: 44px; padding: 0 20px; font-size: 12px; }
.lna .lna-btn-ink { background: var(--lna-ink); color: var(--lna-milk); }
.lna .lna-btn-ink::before { background: var(--lna-brass); }
.lna .lna-btn-line { border: 1px solid var(--lna-line-strong); color: inherit; }
.lna .lna-btn-line::before { background: var(--lna-ink); }
.lna .lna-btn-line:hover { color: var(--lna-milk); border-color: var(--lna-ink); }
.lna .lna-btn-host { text-transform: none; letter-spacing: 0.06em; font-size: 14px; }
.lna .lna-btn-glass { background: rgb(243 239 232 / 0.6); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.lna-dark .lna-btn-line::before { background: var(--lna-milk); }
.lna-dark .lna-btn-line:hover { color: var(--lna-ink); border-color: var(--lna-milk); }
.lna .lna-btn-light { background: var(--lna-milk); color: var(--lna-ink); }
.lna .lna-btn-light::before { background: var(--lna-stone); }

/* Чипы (.chip сайта) */
.lna-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.lna-chips-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lna-chips-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lna-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  min-height: 44px;
  padding: 0 1.1em;
  border: 1px solid var(--lna-line-strong) !important;
  font-size: 14px;
  line-height: 1.25;
  text-align: center;
  transition: background-color 0.4s var(--lna-ease), color 0.4s var(--lna-ease), border-color 0.4s;
  user-select: none;
}
.lna-chip:hover { border-color: var(--lna-ink) !important; }
.lna-chip[aria-pressed='true'] { background: var(--lna-ink); color: var(--lna-milk); border-color: var(--lna-ink) !important; }
.lna-dark .lna-chip:hover { border-color: var(--lna-milk) !important; }
.lna-dark .lna-chip[aria-pressed='true'] { background: var(--lna-milk); color: var(--lna-ink); border-color: var(--lna-milk) !important; }
.lna-chip-style { justify-content: flex-start; gap: 10px; padding: 10px 12px; font-size: 13px; text-align: left; }
.lna-chip-dots { display: flex; flex-shrink: 0; }
.lna-chip-dots span { width: 14px; height: 14px; margin-right: -4px; border-radius: 50%; border: 1px solid rgb(243 239 232 / 0.3); }

/* Range (.range сайта) */
.lna-range { -webkit-appearance: none; appearance: none; width: 100%; height: 28px; margin: 8px 0 0; background: transparent; cursor: pointer; color: inherit; }
.lna-range::-webkit-slider-runnable-track { height: 1px; background: linear-gradient(90deg, currentColor var(--p, 50%), var(--lna-line-strong) var(--p, 50%)); }
.lna-range::-moz-range-track { height: 1px; background: var(--lna-line-strong); }
.lna-range::-moz-range-progress { height: 1px; background: currentColor; }
.lna-range::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; margin-top: -9px; border-radius: 50%; background: var(--lna-ink); border: 1px solid currentColor; }
.lna-range::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--lna-ink); border: 1px solid currentColor; }

/* ---------- HERO ---------- */
.lna-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100vh;
  min-height: 100svh;
  padding: calc(var(--site-top, 72px) + 72px + 32px) 0 64px;
  overflow: hidden;
  background: var(--lna-paper);
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
.lna-site-header { position: absolute; top: var(--site-top, 72px); left: 0; right: 0; z-index: 6; }
.lna-site-header-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 72px; }
.lna-site-nav { display: flex; gap: 28px; margin-left: auto; margin-right: 8px; font-size: 14px; color: var(--lna-ink-soft); }
.lna-site-nav a:hover { color: var(--lna-ink); }
.lna-site-header .lna-btn { font-size: 12px; }

.lna-stage-hero { position: absolute; inset: var(--site-top, 72px) 0 0; overflow: hidden; }
.lna-hero-layer { position: absolute; inset: 0; overflow: hidden; }
.lna-hero-img { object-fit: cover; object-position: 62% 50%; }
.lna-hero-reveal { transform: translateX(calc(var(--seam) * 100%)); will-change: transform; }
.lna-hero-counter { position: absolute; inset: 0; transform: translateX(calc(var(--seam) * -100%)); will-change: transform; }
.lna-hero-dims { position: absolute; inset: 0; width: 100%; height: 100%; color: rgb(30 29 27 / 0.5); pointer-events: none; }
.lna-hero-dim-w { position: absolute; left: 50%; bottom: calc(9.5% + 6px); padding: 0 8px; color: rgb(30 29 27 / 0.6); background: rgb(235 229 219 / 0.7); transform: translateX(-50%); }
.lna-hero-dim-h { position: absolute; top: 50%; left: 10px; color: rgb(30 29 27 / 0.6); transform: rotate(-90deg); transform-origin: left center; }
.lna-seam-track { position: absolute; inset: 0; z-index: 3; pointer-events: none; transform: translateX(calc(var(--seam) * 100%)); will-change: transform; }
.lna-seam { position: absolute; top: 0; bottom: 0; left: 0; width: 1px; background: var(--lna-brass); }
.lna-seam-knob { position: absolute; top: 50%; left: 0; display: flex; align-items: center; justify-content: center; width: 56px; height: 56px; border: 1px solid var(--lna-brass); border-radius: 50%; color: var(--lna-brass); background: rgb(243 239 232 / 0.8); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); transform: translate(-50%, -50%); }
.lna-seam-l, .lna-seam-r { position: absolute; top: calc(50% + 44px); white-space: nowrap; text-transform: uppercase; }
.lna-seam-l { right: 12px; color: rgb(30 29 27 / 0.7); }
.lna-seam-r { left: 12px; color: var(--lna-milk); text-shadow: 0 1px 8px rgb(0 0 0 / 0.35); }

.lna-hero-copy { position: relative; z-index: 4; pointer-events: none; }
.lna-hero-copy a, .lna-hero-copy button { pointer-events: auto; }
.lna-back { display: inline-block; margin-bottom: 24px; font-size: 12px; letter-spacing: 0.08em; color: var(--lna-muted) !important; transition: color 0.3s; }
.lna-back:hover { color: var(--lna-ink) !important; }
.lna-hero-eyebrow { margin-bottom: 24px; color: var(--lna-ink-soft); }
.lna-hero-lead { max-width: 38ch; margin-top: 24px; font-size: 18px; line-height: 1.6; color: var(--lna-ink-soft); text-shadow: 0 0 18px rgb(235 229 219 / 0.9); }
.lna-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.lna-hero-hint { position: absolute; right: var(--lna-pad); bottom: 24px; z-index: 4; color: rgb(243 239 232 / 0.9); text-transform: uppercase; text-shadow: 0 1px 8px rgb(0 0 0 / 0.3); }

@keyframes lna-up { from { transform: translateY(110%); } to { transform: none; } }
@keyframes lna-fade { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes lna-fade-in { from { opacity: 0; } to { opacity: 1; } }
.lna-rise-line { animation: lna-up 1.3s var(--lna-ease) 0.3s both; }
.lna-rise { animation: lna-fade 1s var(--lna-ease) 0.8s both; }

/* ---------- Шапка секции ---------- */
.lna-head { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 32px 40px; align-items: end; margin-bottom: clamp(48px, 6vw, 80px); }
.lna-head-eyebrow { display: flex; align-items: center; margin-bottom: 24px; }
.lna-head-eyebrow .lna-num { margin-right: 16px; }
.lna-head-rule { display: block; width: 40px; height: 1px; margin-right: 16px; background: currentColor; opacity: 0.4; }
.lna-head-lead { max-width: 52ch; padding-bottom: 10px; font-size: 17px; line-height: 1.6; opacity: 0.75; }

/* ---------- 01 Задача ---------- */
.lna-manifesto { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: 40px; }
.lna-manifesto .lna-eyebrow { padding-top: 16px; }
.lna-manifesto-t { font-size: clamp(30px, 4.1vw, 64px); line-height: 1.08; letter-spacing: -0.035em; }
.lna-cells { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: clamp(80px, 8vw, 112px); background: var(--lna-line); border-block: 1px solid var(--lna-line); }
.lna-cell { padding: clamp(28px, 2.6vw, 36px); background: var(--lna-milk); transition: background-color 0.5s; }
.lna-cell:hover { background: var(--lna-paper); }
.lna-cell-n { margin-bottom: 40px; color: var(--lna-muted); transition: color 0.3s; }
.lna-cell:hover .lna-cell-n { color: var(--lna-brass); }
.lna-cell-t { font-family: var(--lna-font-display), sans-serif; font-weight: 300; font-size: 22px; letter-spacing: -0.02em; line-height: 1.2; }
.lna-cell-d { margin-top: 12px; font-size: 15px; line-height: 1.6; color: var(--lna-ink-soft); }

/* ---------- 02 Брендбук ---------- */
.lna-bb { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 480px); gap: clamp(32px, 5vw, 80px); align-items: start; }
.lna-swatches { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; background: var(--lna-line); border: 1px solid var(--lna-line); }
.lna-swatch { position: relative; display: grid; gap: 4px; padding: 10px 10px 16px; text-align: left; background: var(--lna-milk) !important; transition: background-color 0.3s; }
.lna-swatch:hover { background: #f7f4ee !important; }
.lna-swatch::after { content: ''; position: absolute; left: 10px; right: 10px; bottom: 0; height: 2px; background: var(--lna-brass); transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--lna-ease); }
.lna-swatch[aria-selected='true']::after { transform: none; }
.lna-swatch-chip { display: block; height: 132px; margin-bottom: 10px; border: 1px solid var(--lna-line); }
.lna-swatch-name { font-size: 15px; font-weight: 500; }
.lna-swatch-hex { color: var(--lna-muted); }
.lna-swatch-roles { display: grid; margin-top: 28px; }
.lna-swatch-roles p {
  grid-area: 1 / 1;
  max-width: 60ch;
  padding-left: 18px;
  border-left: 1px solid var(--lna-brass);
  font-size: 16px;
  color: var(--lna-ink-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.35s, transform 0.35s var(--lna-ease), visibility 0s 0.35s;
}
.lna[data-hl='all'] [data-role='all'],
.lna[data-hl='milk'] [data-role='milk'],
.lna[data-hl='paper'] [data-role='paper'],
.lna[data-hl='ink'] [data-role='ink'],
.lna[data-hl='stone'] [data-role='stone'],
.lna[data-hl='brass'] [data-role='brass'] { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }

/* демо-карточка: слои фона отдельными span, чтобы гасить цвет, а не детей */
.lna-bbs { position: relative; padding: clamp(24px, 3vw, 40px) clamp(24px, 3vw, 40px) clamp(24px, 3vw, 40px) clamp(40px, 4vw, 56px); border: 1px solid var(--lna-line-strong); }
.lna-bbs-bg {
  position: absolute;
  inset: 0;
  background-color: var(--lna-paper);
  background-image: linear-gradient(rgb(30 29 27 / 0.08) 1px, transparent 1px), linear-gradient(90deg, rgb(30 29 27 / 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
}
.lna-bbs-seam { position: absolute; top: 0; bottom: 0; left: clamp(18px, 2vw, 26px); width: 1px; background: var(--lna-brass); }
.lna-bbs-card { position: relative; }
.lna-bbs-card-bg { position: absolute; inset: 0; background: var(--lna-milk); border: 1px solid var(--lna-line); }
.lna-bbs-tex { position: relative; aspect-ratio: 16 / 8; overflow: hidden; }
.lna-bbs-tex img { object-fit: cover; }
.lna-bbs-num, .lna-bbs-badge { position: absolute; top: 14px; display: inline-flex; padding: 4px 8px; }
.lna-bbs-num { left: 14px; }
.lna-bbs-badge { right: 14px; }
.lna-bbs-num > span:last-child, .lna-bbs-badge > span:last-child { position: relative; }
.lna-bbs-num-bg, .lna-bbs-badge-bg { position: absolute; inset: 0; }
.lna-bbs-num-bg { background: rgb(243 239 232 / 0.88); }
.lna-bbs-badge-bg { background: var(--lna-ink); }
.lna-bbs-badge > span:last-child { color: var(--lna-milk); }
.lna-bbs-body { position: relative; padding: 24px; }
.lna-bbs-title { font-size: 44px; }
.lna-bbs-list { display: grid; gap: 10px; margin-top: 18px !important; padding-top: 18px !important; border-top: 1px solid var(--lna-line); font-size: 14px; }
.lna-bbs-list li { display: flex; gap: 12px; }
.lna-bbs-dark { position: relative; display: grid; gap: 10px; margin-top: 22px; padding: 20px; color: var(--lna-milk); }
.lna-bbs-dark > :not(.lna-bbs-dark-bg) { position: relative; }
.lna-bbs-dark-bg { position: absolute; inset: 0; background: var(--lna-ink); }
.lna-bbs-dark .lna-eyebrow { color: var(--lna-stone); }
.lna-bbs-price { font-size: 38px; }
.lna-bbs-price small { font-family: var(--lna-font-text), sans-serif; font-size: 14px; letter-spacing: 0; opacity: 0.6; }
.lna-bbs-btn { display: inline-flex; align-items: center; justify-content: space-between; gap: 12px; justify-self: start; min-height: 44px; padding: 0 18px; font-size: 12px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--lna-ink); }
.lna-bbs-btn > span:not(.lna-bbs-btn-bg) { position: relative; }
.lna-bbs-btn-bg { position: absolute; inset: 0; background: var(--lna-milk); }
.lna-bbs-btn-arr { color: var(--lna-brass); font-size: 15px; }
.lna-bbs [data-c] { transition: opacity 0.35s; }
.lna[data-hl='milk'] .lna-bbs [data-c]:not([data-c~='milk']),
.lna[data-hl='paper'] .lna-bbs [data-c]:not([data-c~='paper']),
.lna[data-hl='ink'] .lna-bbs [data-c]:not([data-c~='ink']),
.lna[data-hl='stone'] .lna-bbs [data-c]:not([data-c~='stone']),
.lna[data-hl='brass'] .lna-bbs [data-c]:not([data-c~='brass']) { opacity: 0.12; }
.lna[data-hl='paper'] .lna-bbs-card-bg, .lna[data-hl='paper'] .lna-bbs-dark-bg { opacity: 0.05 !important; }

/* шрифты */
.lna-types { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: clamp(56px, 6vw, 88px); background: var(--lna-line); border: 1px solid var(--lna-line); }
.lna-type { padding: clamp(24px, 2.6vw, 36px); background: var(--lna-milk); }
.lna-type-sample { display: flex; align-items: flex-end; min-height: 96px; }
.lna-type-sample.lna-display { font-size: clamp(40px, 3.6vw, 56px); }
.lna-type-sample.lna-accent { font-size: clamp(44px, 4vw, 62px); line-height: 1; }
.lna-type-sample.lna-text-sample { font-size: 21px; line-height: 1.3; }
.lna-type-sample.lna-dim { font-size: 15px; color: var(--lna-brass); }
.lna-type-name { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--lna-line); font-weight: 500; }
.lna-type-role { margin-top: 8px !important; font-size: 14px; line-height: 1.55; color: var(--lna-ink-soft); }

/* ---------- 03 Экраны (карточки портфолио) ---------- */
.lna-screens { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 80px 32px; }
.lna-screen { display: block; }
.lna-screen-0, .lna-screen-3, .lna-screen-4 { grid-column: span 7; }
.lna-screen-1, .lna-screen-2, .lna-screen-5 { grid-column: span 5; }
.lna-screen-1 { margin-top: 128px; }
.lna-screen-3 { margin-top: 96px; }
.lna-screen-shot { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--lna-sand); }
.lna-screen-1 .lna-screen-shot, .lna-screen-2 .lna-screen-shot, .lna-screen-5 .lna-screen-shot { aspect-ratio: 4 / 5; }
.lna-screen-shot img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: left center; transition: transform 1.8s var(--lna-ease); }
.lna-screen:hover .lna-screen-shot img { transform: scale(1.05); }
.lna-screen-open { position: absolute; top: 50%; left: 50%; display: flex; align-items: center; justify-content: center; width: 96px; height: 96px; margin: -48px 0 0 -48px; border-radius: 50%; background: var(--lna-milk); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0; transform: scale(0.4); transition: transform 0.5s var(--lna-ease), opacity 0.5s var(--lna-ease); }
.lna-screen:hover .lna-screen-open { opacity: 1; transform: none; }
.lna-screen-meta { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-top: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--lna-line); transition: border-color 0.5s; }
.lna-screen:hover .lna-screen-meta { border-color: var(--lna-ink); }
.lna-screen-kind { display: block; color: var(--lna-muted); }
.lna-screen-t { display: block; margin-top: 8px; font-family: var(--lna-font-display), sans-serif; font-weight: 300; font-size: clamp(24px, 2.2vw, 32px); letter-spacing: -0.03em; line-height: 1.15; }
.lna-screen-d { display: block; max-width: 52ch; margin-top: 8px; font-size: 14px; line-height: 1.55; color: var(--lna-ink-soft); }
.lna-screen-side { flex-shrink: 0; font-size: 14px; color: var(--lna-muted); white-space: nowrap; }

.lna-phones { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; margin-top: clamp(96px, 10vw, 140px); padding: clamp(32px, 4vw, 56px); background: var(--lna-paper); border: 1px solid var(--lna-line); }
.lna-phones-t { margin: 20px 0 20px !important; font-size: clamp(34px, 3.6vw, 56px); }
.lna-phones-row { display: flex; justify-content: center; gap: clamp(16px, 3vw, 40px); }
.lna-phone { display: grid; gap: 12px; justify-items: center; }
.lna-phone-frame { display: block; width: min(220px, 40vw); padding: 8px; background: var(--lna-milk); border: 1px solid var(--lna-line-strong); }
.lna-phone-frame img { display: block; width: 100%; height: auto; }
.lna-phone figcaption { color: var(--lna-muted); }

/* ---------- 04 Конфигуратор ---------- */
.lna-cfg { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 48px; align-items: start; }
.lna-cfg-shot { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--lna-ink-2); }
.lna-frame { position: absolute; inset: 0; }
.lna-frame-layer { position: absolute; inset: 0; opacity: 0; transition: opacity 0.7s var(--lna-ease); }
.lna-frame-layer.is-in { opacity: 1; }
.lna-frame-layer img, .lna-cfg-thumb img, .lna-ba-box img, .lna-stg-img img { object-fit: cover; }
.lna-cfg-caption { position: absolute; left: 0; right: 0; bottom: 0; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; padding: 64px clamp(16px, 2vw, 24px) clamp(16px, 2vw, 24px); color: var(--lna-milk); background: linear-gradient(to top, rgb(30 29 27 / 0.55), transparent); pointer-events: none; }
.lna-cfg-caption-t { font-family: var(--lna-font-display), sans-serif; font-weight: 300; font-size: clamp(20px, 2.2vw, 32px); letter-spacing: -0.03em; line-height: 1.1; animation: lna-fade 0.5s var(--lna-ease) both; }
.lna-cfg-caption .lna-dim { flex-shrink: 0; white-space: nowrap; }
.lna-cfg-thumbs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.lna-cfg-thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--lna-ink-2) !important; outline-offset: 3px !important; }
.lna-cfg-thumb img { opacity: 0.6; transition: opacity 0.5s, transform 0.7s var(--lna-ease); }
.lna-cfg-thumb:hover img { opacity: 1; transform: scale(1.05); }
.lna-cfg-thumb[aria-pressed='true'] { outline: 1px solid var(--lna-milk); }
.lna-cfg-thumb[aria-pressed='true'] img { opacity: 1; }
.lna-cfg-panel { display: grid; gap: 36px; }
.lna-cfg-step .lna-eyebrow { margin-bottom: 16px; }
.lna-cfg-spec { margin-top: 18px !important; border-block: 1px solid var(--lna-line); font-size: 14px; }
.lna-cfg-spec > div { display: grid; grid-template-columns: 72px 1fr; gap: 12px; padding: 11px 0; }
.lna-cfg-spec > div + div { border-top: 1px solid var(--lna-line); }
.lna-cfg-spec dt { color: rgb(243 239 232 / 0.5); }
.lna-cfg-spec dd { animation: lna-fade 0.4s var(--lna-ease) both; }
.lna-cfg-area { display: flex; align-items: baseline; justify-content: space-between; }
.lna-cfg-area .lna-display { font-size: 34px; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.lna-cfg-area span:last-child { font-size: 13px; color: rgb(243 239 232 / 0.5); }
.lna-dark .lna-range::-webkit-slider-thumb { background: var(--lna-ink); }
.lna-cfg-total { padding: clamp(22px, 2.4vw, 32px); background: var(--lna-milk); color: var(--lna-ink); }
.lna-cfg-total .lna-eyebrow { color: var(--lna-muted); }
.lna-cfg-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 0 10px; margin-top: 12px !important; font-family: var(--lna-font-display), sans-serif; font-weight: 200; font-size: clamp(36px, 3.4vw, 52px); line-height: 1; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; overflow: hidden; }
.lna-cfg-price small { font-size: 0.4em; letter-spacing: 0; color: var(--lna-muted); }
.lna-tick { display: inline-block; animation: lna-tick 0.6s var(--lna-ease) both; }
@keyframes lna-tick { from { transform: translateY(60%); opacity: 0; } to { transform: none; opacity: 1; } }
.lna-cfg-per { margin-top: 16px !important; padding-top: 14px !important; border-top: 1px solid rgb(30 29 27 / 0.14); font-size: 14px; color: var(--lna-ink-soft); }
.lna-cfg-per b { font-weight: 500; color: var(--lna-ink); }

/* ---------- 05 До / после ---------- */
.lna-ba-chips { justify-content: flex-end; margin: -40px 0 24px; }
.lna-ba-box { position: relative; aspect-ratio: 16 / 8; overflow: hidden; background: var(--lna-sand); cursor: ew-resize; touch-action: pan-y; user-select: none; -webkit-user-select: none; }
.lna-ba-after { position: absolute; inset: 0; animation: lna-fade-in 0.6s ease both; }
.lna-ba-before { position: absolute; inset: 0; overflow: hidden; transform: translateX(calc((var(--pos) - 100) * 1%)); }
.lna-ba-before-in { position: absolute; inset: 0; transform: translateX(calc((100 - var(--pos)) * 1%)); }
.lna-ba-tag { position: absolute; top: 16px; z-index: 2; padding: 4px 8px; pointer-events: none; }
.lna-ba-tag-l { left: 16px; background: rgb(30 29 27 / 0.6); color: var(--lna-milk); }
.lna-ba-tag-r { right: 16px; background: rgb(243 239 232 / 0.85); }
.lna-ba-range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; pointer-events: none; }
.lna-ba-track { position: absolute; inset: 0; z-index: 2; pointer-events: none; transform: translateX(calc(var(--pos) * 1%)); }
.lna-ba-line { position: absolute; top: 0; bottom: 0; left: 0; width: 1px; background: var(--lna-milk); }
.lna-ba-knob { position: absolute; top: 50%; left: 0; display: flex; align-items: center; justify-content: center; width: 64px; height: 64px; border-radius: 50%; background: var(--lna-milk); color: var(--lna-ink); box-shadow: 0 10px 40px rgb(0 0 0 / 0.25); transform: translate(-50%, -50%); }
.lna-ba-range:focus-visible ~ .lna-ba-track .lna-ba-knob { outline: 2px solid var(--lna-brass); outline-offset: 4px; }

/* ---------- 06 Квиз ---------- */
.lna-quiz { max-width: 1100px; }
.lna-quiz-progress { display: flex; align-items: center; gap: 20px; margin-bottom: 48px; }
.lna-round { display: flex; flex-shrink: 0; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--lna-line-strong) !important; border-radius: 50% !important; transition: background-color 0.3s, color 0.3s, border-color 0.3s, opacity 0.3s; }
.lna-round:hover { background: var(--lna-ink); color: var(--lna-milk); border-color: var(--lna-ink) !important; }
.lna-round:disabled { opacity: 0; pointer-events: none; }
.lna-quiz-line { position: relative; flex: 1; height: 1px; background: var(--lna-line-strong); }
.lna-quiz-fill { position: absolute; inset: 0; background: var(--lna-ink); transform-origin: left; transition: transform 0.8s var(--lna-ease); }
.lna-quiz-tick { position: absolute; top: -4px; width: 1px; height: 9px; background: var(--lna-line-strong); }
.lna-quiz-tick.is-on { background: var(--lna-ink); }
.lna-quiz-count { width: 64px; flex-shrink: 0; text-align: right; color: var(--lna-muted); }
.lna-quiz-step { animation: lna-step 0.5s var(--lna-ease) both; }
@keyframes lna-step { from { opacity: 0; transform: translateX(calc(var(--dir, 1) * 40px)); } to { opacity: 1; transform: none; } }
.lna-quiz-q { font-size: clamp(38px, 5vw, 76px); }
.lna-quiz-hint { max-width: 52ch; margin: 16px 0 40px !important; font-size: 16px; color: var(--lna-ink-soft); }
.lna-quiz-opts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.lna-opt { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; min-height: 136px; padding: 22px 24px !important; text-align: left; border: 1px solid var(--lna-line-strong) !important; background: rgb(243 239 232 / 0.55) !important; transition: background-color 0.5s var(--lna-ease), color 0.5s var(--lna-ease), border-color 0.5s; }
.lna-opt:hover { border-color: var(--lna-ink) !important; }
.lna-opt[aria-pressed='true'] { background: var(--lna-ink) !important; color: var(--lna-milk); border-color: var(--lna-ink) !important; }
.lna-opt-t { display: block; font-family: var(--lna-font-display), sans-serif; font-weight: 300; font-size: 22px; letter-spacing: -0.03em; line-height: 1.2; }
.lna-opt-h { display: block; margin-top: 8px; font-size: 14px; opacity: 0.65; }
.lna-opt-arr { flex-shrink: 0; transition: transform 0.5s var(--lna-ease); }
.lna-opt:hover .lna-opt-arr { transform: translateX(4px); }
.lna-quiz-res { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 4vw, 64px); align-items: start; }
.lna-quiz-res .lna-quiz-q { margin-top: 18px !important; font-size: clamp(36px, 4vw, 60px); }
.lna-quiz-mods { margin-top: 28px !important; border-top: 1px solid var(--lna-line-strong); }
.lna-quiz-mods li { display: grid; grid-template-columns: 12px minmax(0, 1fr) auto; gap: 14px; align-items: start; padding: 14px 0; border-bottom: 1px solid var(--lna-line); animation: lna-fade 0.5s var(--lna-ease) both; }
.lna-quiz-mods li:nth-child(2) { animation-delay: 60ms; }
.lna-quiz-mods li:nth-child(3) { animation-delay: 120ms; }
.lna-quiz-mods li:nth-child(4) { animation-delay: 180ms; }
.lna-quiz-mods li:nth-child(n + 5) { animation-delay: 240ms; }
.lna-quiz-mods b { display: block; font-weight: 500; font-size: 15px; }
.lna-quiz-mods li > span:nth-child(2) > span { display: block; font-size: 14px; color: var(--lna-ink-soft); }
.lna-quiz-mods a { padding-top: 3px; color: var(--lna-brass); white-space: nowrap; }
.lna-quiz-mods a:hover { color: var(--lna-ink); }
.lna-quiz-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.lna-admin { padding: clamp(20px, 2.4vw, 28px); background: var(--lna-milk); border: 1px solid var(--lna-line-strong); }
.lna-admin-h { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 12px; margin-bottom: 14px !important; font-size: 15px; }
.lna-admin-h span { font-size: 12px; color: var(--lna-muted); }
.lna-admin ul { border-block: 1px solid var(--lna-line); }
.lna-admin li { position: relative; display: grid; grid-template-columns: 62px minmax(0, 1fr) auto; grid-template-areas: 'n name badge' 'n src badge'; column-gap: 12px; align-items: center; padding: 12px 4px; font-size: 14px; }
.lna-admin li + li { border-top: 1px solid var(--lna-line); }
.lna-admin-n { grid-area: n; align-self: start; padding-top: 1px; font-size: 13px; color: var(--lna-muted); font-variant-numeric: tabular-nums; }
.lna-admin li > span:nth-child(2) { grid-area: name; }
.lna-admin-src { grid-area: src; font-size: 12px; color: var(--lna-muted); }
.lna-admin-when { display: none; }
.lna-admin .lna-badge { grid-area: badge; }
.lna-admin li.is-fresh::before { content: ''; position: absolute; inset: 0; background: rgb(176 138 78 / 0.14); animation: lna-flash 2.4s ease 0.3s both; pointer-events: none; }
@keyframes lna-flash { 0% { opacity: 0; } 20% { opacity: 1; } 100% { opacity: 0.35; } }
.lna-badge { display: inline-block; padding: 4px 10px; font-size: 12px; white-space: nowrap; background: var(--lna-sand); color: var(--lna-ink); }
.lna-badge-new { background: var(--lna-brass); color: var(--lna-milk); }
.lna-badge-stone { background: rgb(201 184 160 / 0.6); }
.lna-admin-note { margin-top: 14px !important; font-size: 13px; line-height: 1.55; color: var(--lna-muted); }

/* ---------- 07 Этапы ---------- */
.lna-stages { padding-top: clamp(96px, 10vw, 144px); }
.lna-stages-head .lna-head { margin-bottom: clamp(32px, 4vw, 56px); }
.lna-stg { position: relative; height: clamp(600px, 86vh, 860px); overflow: hidden; }
.lna-stg-frames { position: absolute; inset: 0; }
.lna-stg-img { position: absolute; inset: 0; opacity: 0; transform: scale(1.06); transition: opacity 0.9s var(--lna-ease), transform 1.6s var(--lna-ease); }
.lna-stg-img.is-on { opacity: 1; transform: none; }
.lna-stg-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgb(30 29 27 / 0.88), rgb(30 29 27 / 0.45) 50%, transparent), linear-gradient(to top, rgb(30 29 27 / 0.6), transparent 34%); }
.lna-stg-in { position: relative; z-index: 1; display: flex; gap: 40px; align-items: center; height: 100%; }
.lna-stg-list { position: relative; display: flex; flex-direction: column; gap: 6px; width: 240px; flex-shrink: 0; }
.lna-stg-rail { position: absolute; top: 22px; bottom: 22px; left: 5px; width: 1px; background: rgb(243 239 232 / 0.2); }
.lna-stg-rail span { position: absolute; inset: 0; background: var(--lna-brass); transform-origin: top; transition: transform 0.6s var(--lna-ease); }
.lna-stg-tab { position: relative; display: flex; align-items: center; gap: 18px; width: 100%; padding: 10px 0 !important; text-align: left; font-size: 14px; color: rgb(243 239 232 / 0.45) !important; transition: color 0.4s; }
.lna-stg-tab:hover, .lna-stg-tab.is-past { color: var(--lna-milk) !important; }
.lna-stg-dot { position: relative; z-index: 1; flex-shrink: 0; width: 11px; height: 11px; border: 1px solid currentColor; border-radius: 50%; background: var(--lna-ink); transition: background-color 0.4s, border-color 0.4s; }
.lna-stg-tab[aria-selected='true'] .lna-stg-dot { background: var(--lna-brass); border-color: var(--lna-brass); }
.lna-stg-tab[aria-selected='true'] .lna-stg-tab-t { color: var(--lna-milk); }
.lna-stg-text { display: grid; flex: 1; align-items: center; }
.lna-stg-panel { grid-area: 1 / 1; max-width: 600px; opacity: 0; visibility: hidden; transform: translateY(24px); transition: opacity 0.45s, transform 0.6s var(--lna-ease), visibility 0s 0.45s; }
.lna-stg-panel.is-on { opacity: 1; visibility: visible; transform: none; transition-delay: 0.1s; }
.lna-stg-when { margin-bottom: 24px !important; color: var(--lna-stone); }
.lna-stg-h { font-size: clamp(52px, 6.4vw, 112px); }
.lna-stg-p { max-width: 44ch; margin-top: 28px !important; font-size: 17px; line-height: 1.6; color: rgb(243 239 232 / 0.82); }
.lna-stg-out { display: flex; gap: 10px; margin-top: 22px !important; font-size: 14px; color: rgb(243 239 232 / 0.62); }
.lna-stg-out span { flex-shrink: 0; color: var(--lna-brass-hi); }

/* ---------- 08 Цифры: плитки обзора админки ---------- */
.lna-tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 28px; background: var(--lna-line); border: 1px solid var(--lna-line); }
.lna-tile { padding: clamp(22px, 2.4vw, 32px); background: var(--lna-milk); }
.lna-tile-l { font-size: 13px; color: var(--lna-muted); }
.lna-tile-n { margin-top: 14px !important; font-size: clamp(56px, 6vw, 96px); letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.lna-tile-s { margin-top: 14px !important; font-size: 13px; color: var(--lna-ink-soft); }

/* ---------- Результат + CTA (футер сайта) ---------- */
.lna-cta { position: relative; overflow: hidden; padding: clamp(96px, 9vw, 128px) 0 32px; }
.lna-cta-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 56px; align-items: end; }
.lna-cta-t { margin-top: 24px !important; font-size: clamp(44px, 6vw, 104px); }
.lna-cta-text { max-width: 56ch; margin-top: 28px !important; font-size: 16px; line-height: 1.65; color: rgb(243 239 232 / 0.65); }
.lna-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.lna-cta-facts li { display: grid; gap: 6px; padding: 18px 0; border-top: 1px solid var(--lna-line); font-size: 15px; line-height: 1.5; color: rgb(243 239 232 / 0.82); }
.lna-stamp { margin: clamp(64px, 7vw, 96px) 0 -0.24em; font-family: var(--lna-font-display), sans-serif; font-weight: 200; font-size: clamp(120px, 27vw, 460px); line-height: 0.8; letter-spacing: -0.06em; color: rgb(243 239 232 / 0.07); pointer-events: none; user-select: none; white-space: nowrap; }
.lna-foot { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; padding-top: 24px; border-top: 1px solid var(--lna-line); font-size: 13px; color: rgb(243 239 232 / 0.45); }
.lna-foot-badge img { display: block; }

/* ---------- Появления (только с JS и без reduced-motion) ---------- */
.lna.js-sc [data-sc='reveal']:not(.lna-mask):not(.lna-words) {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--lna-ease) calc(var(--i, 0) * 90ms), transform 0.9s var(--lna-ease) calc(var(--i, 0) * 90ms), background-color 0.5s;
}
.lna.js-sc [data-sc='reveal'].in-view:not(.lna-mask):not(.lna-words) { opacity: 1; transform: none; }
.lna.js-sc .lna-mask .lna-mask-line > span { transform: translateY(110%); transition: transform 1.2s var(--lna-ease) calc(var(--i, 0) * 90ms); }
.lna.js-sc .lna-mask.in-view .lna-mask-line > span { transform: none; }
.lna.js-sc .lna-words span { opacity: 0.14; transition: opacity 0.6s ease calc(var(--w, 0) * 45ms); }
.lna.js-sc .lna-words.in-view span { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .lna-rise, .lna-rise-line, .lna-quiz-step, .lna-quiz-mods li, .lna-tick, .lna-cfg-caption-t, .lna-cfg-spec dd, .lna-ba-after, .lna-admin li.is-fresh::before { animation: none; }
  .lna-hero-hint { display: none; }
  .lna-stg-img, .lna-stg-panel, .lna-frame-layer, .lna-quiz-fill, .lna-screen-shot img, .lna-btn::before, .lna-swatch::after { transition: none; }
}

/* ---------- Адаптив ---------- */
@media (max-width: 1180px) {
  .lna-site-nav { display: none; }
}
@media (max-width: 1023px) {
  .lna-head { grid-template-columns: 1fr; }
  .lna-bb { grid-template-columns: 1fr; }
  .lna-bbs { max-width: 520px; }
  .lna-cells { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lna-types { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lna-cfg { grid-template-columns: 1fr; }
  .lna-quiz-res { grid-template-columns: 1fr; }
  .lna-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lna-cta-grid { grid-template-columns: 1fr; }
  .lna-phones { grid-template-columns: 1fr; }
  .lna-ba-chips { justify-content: flex-start; margin-top: 0; }
  .lna-stg-list { width: 200px; }
}
@media (max-width: 767px) {
  .lna-hero { display: flex; flex-direction: column; align-items: stretch; min-height: 0; padding: var(--site-top, 72px) 0 0; }
  .lna-site-header-in { height: 64px; }
  .lna-logo { font-size: 24px; }
  .lna-stage-hero { position: relative; inset: auto; height: 58svh; min-height: 360px; }
  .lna-hero-dim-w, .lna-hero-dim-h { display: none; }
  .lna-hero-copy { padding-top: 32px; padding-bottom: 56px; }
  .lna-hero-lead { font-size: 17px; }
  .lna-hero-actions .lna-btn { flex: 1 1 100%; }
  .lna-hero-hint { display: none; }
  .lna-seam-l, .lna-seam-r { display: none; }

  .lna-manifesto { grid-template-columns: 1fr; gap: 24px; }
  .lna-manifesto .lna-eyebrow { padding-top: 0; }
  .lna-cells { grid-template-columns: 1fr; margin-top: 56px; }
  .lna-cell-n { margin-bottom: 20px; }
  .lna-swatches { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .lna-swatch { grid-column: span 2; }
  .lna-swatch:nth-child(n + 4) { grid-column: span 3; }
  .lna-swatch-chip { height: 64px; }
  .lna-bbs-title { font-size: 36px; }
  .lna-types { grid-template-columns: 1fr; }
  .lna-type-sample { min-height: 64px; }

  .lna-screens { grid-template-columns: 1fr; gap: 56px; }
  .lna-screen { grid-column: auto !important; margin-top: 0 !important; }
  .lna-screen .lna-screen-shot { aspect-ratio: 16 / 10 !important; }
  .lna-screen-meta { flex-direction: column; align-items: flex-start; gap: 8px; }
  .lna-phones { padding: 24px 20px; gap: 32px; }
  .lna-phone-frame { width: min(180px, 40vw); padding: 5px; }

  .lna-cfg-thumbs { gap: 6px; }
  .lna-chip-style { font-size: 12.5px; }
  .lna-ba-box { aspect-ratio: 4 / 3; }
  .lna-ba-knob { width: 52px; height: 52px; }

  .lna-quiz-progress { gap: 14px; margin-bottom: 32px; }
  .lna-quiz-hint { margin-bottom: 28px !important; }
  .lna-quiz-opts { grid-template-columns: 1fr; gap: 8px; }
  .lna-opt { min-height: 0; padding: 18px 20px !important; }
  .lna-quiz-mods li { grid-template-columns: 12px minmax(0, 1fr); }
  .lna-quiz-mods a { grid-column: 2; padding-top: 0; }
  .lna-quiz-actions .lna-btn { flex: 1 1 100%; }

  .lna-stg { height: auto; overflow: visible; }
  .lna-stg-frames { position: relative; inset: auto; aspect-ratio: 4 / 3; overflow: hidden; }
  .lna-stg-shade { background: linear-gradient(to top, rgb(30 29 27 / 0.5), transparent 40%); }
  .lna-stg-in { flex-direction: column; align-items: stretch; gap: 24px; padding-block: 24px 80px; }
  .lna-stg-list { flex-direction: row; gap: 6px; width: auto; overflow-x: auto; scrollbar-width: none; margin-inline: calc(var(--lna-pad) * -1); padding-inline: var(--lna-pad); }
  .lna-stg-list::-webkit-scrollbar { display: none; }
  .lna-stg-rail { display: none; }
  .lna-stg-tab { flex-direction: column; align-items: flex-start; flex-shrink: 0; gap: 6px; width: auto; min-width: 92px; padding: 12px !important; border: 1px solid var(--lna-line) !important; }
  .lna-stg-tab[aria-selected='true'] { border-color: var(--lna-brass) !important; }
  .lna-stg-dot { display: none; }
  .lna-stg-tab-t { font-size: 13px; line-height: 1.25; white-space: nowrap; }
  .lna-stg-h { font-size: 44px; }
  .lna-stg-p { margin-top: 18px !important; font-size: 16px; }

  .lna-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lna-tile-n { font-size: 48px; }
  .lna-foot { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 479px) {
  .lna-site-header .lna-btn { padding: 0 14px; font-size: 11px; letter-spacing: 0.08em; }
  .lna-btn { padding: 0 1.4em; }
  .lna-chips-3 .lna-chip { padding: 0 6px; font-size: 13px; }
  .lna-bbs { padding: 20px 16px 20px 34px; }
  .lna-bbs-seam { left: 16px; }
}