/* looknova · вариант в стиле Linear.
   Сетка: одна колонка 1200px, секции разделены тонкими линиями, тёмная тема первая. */
:root {
  --bg: #08090a;
  --bg-2: #0f1011;
  --panel: #141517;
  --panel-2: #1b1c1f;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --fg: #f7f8f8;
  --fg-2: #d0d6e0;
  --muted: #8a8f98;
  --faint: #62666d;
  --h-from: #ffffff;
  --h-to: rgba(255, 255, 255, 0.42);
  --btn-bg: #e6e8eb;
  --btn-fg: #08090a;
  --shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 30px 80px rgba(0, 0, 0, 0.55);
  --show-dark: block;
  --show-light: none;
  --glass: rgba(22, 23, 26, 0.55);
  --glass-hi: rgba(255, 255, 255, 0.10);
  --glass-sh: 0 10px 40px rgba(0, 0, 0, 0.45);
  --inv-l: invert(1) brightness(1.06);
  --acc: #4ea7fc;
  --acc-ink: var(--acc);
  --acc-dim: color-mix(in oklab, var(--acc) 16%, transparent);
  --glow: color-mix(in oklab, var(--acc) 30%, transparent);

  --f-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-display: "Inter Tight", "Inter", ui-sans-serif, system-ui, sans-serif;
  --f-mono: "Geist Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --wrap: 1200px;
  --r-s: 6px;
  --r-m: 10px;
  --r-l: 16px;
  color-scheme: dark;
}
/* Акцент: ледяной (единственный) */
:root { --acc: #7cc4f8; --acc-l: #2a7fb8; --acc2: #a5b4fc; --acc3: #5eead4; --aur: .55; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 15px/1.6 var(--f-sans);
  font-feature-settings: "cv01", "ss03";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--bg); }
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-family: var(--f-display); text-wrap: balance; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--acc-dim); }
.only-dark { display: var(--show-dark) !important; }
.only-light { display: var(--show-light) !important; }

.wrap {
  max-width: calc(var(--wrap) + 48px);
  margin: 0 auto;
  padding-left: max(24px, env(safe-area-inset-left, 0px));
  padding-right: max(24px, env(safe-area-inset-right, 0px));
}
@media (max-width: 560px) {
  .wrap { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
}

.grad {
  background: linear-gradient(to right bottom, var(--h-from) 35%, var(--h-to));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.dot { color: var(--acc); }
.mono { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.01em; }
.label {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 13px/1 var(--f-sans); color: var(--muted);
}
.label::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 10px var(--acc); }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 16px; border-radius: 999px;
  font: 500 14px/1 var(--f-sans); white-space: nowrap;
  border: 1px solid transparent; cursor: pointer;
  transition: background-color .16s, border-color .16s, color .16s, transform .16s;
}
.btn-primary { background: var(--btn-bg); color: var(--btn-fg); }
.btn-primary:hover { background: var(--fg); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--panel-2); }
.btn-s { height: 32px; padding: 0 12px; font-size: 13px; }
.btn .arr { transition: transform .16s; }
.btn:hover .arr { transform: translateX(2px); }
.icon-btn {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 8px;
  background: transparent; border: 1px solid transparent; color: var(--muted); cursor: pointer;
  transition: background-color .16s, color .16s, border-color .16s;
}
.icon-btn:hover { background: var(--panel-2); color: var(--fg); border-color: var(--line); }
.icon-btn svg { width: 16px; height: 16px; }
kbd {
  font: 500 11px/1 var(--f-mono); color: var(--muted);
  padding: 3px 5px; border-radius: 4px; border: 1px solid var(--line-2); background: var(--panel);
}

/* ---------- шапка ---------- */
.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  backdrop-filter: saturate(150%) blur(14px); -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { font: 600 17px/1 var(--f-display); letter-spacing: -0.02em; color: var(--fg); display: inline-flex; align-items: baseline; }
.logo .dot { font-size: 1.35em; line-height: 0; margin-left: 1px; }
.nav { display: flex; gap: 4px; margin-right: auto; }
.nav a { padding: 6px 10px; border-radius: 6px; font-size: 13.5px; color: var(--muted); transition: color .16s, background-color .16s; }
.nav a:hover { color: var(--fg); background: var(--panel-2); }
.top-r { display: flex; align-items: center; gap: 6px; }
@media (max-width: 860px) { .nav { display: none; } .top .wrap { justify-content: space-between; } .logo { margin-right: auto; } }

/* ---------- первый экран ---------- */
.hero { position: relative; padding-top: 88px; overflow: clip; }
.hero::before {
  content: ""; position: absolute; left: 50%; top: -260px; width: 1100px; height: 700px; transform: translateX(-50%);
  display: none;
}
.pill {
  position: relative; display: inline-flex; align-items: center; gap: 10px; padding: 5px 12px 5px 6px;
  border-radius: 999px; border: 1px solid var(--line-2); background: color-mix(in oklab, var(--panel) 70%, transparent);
  font-size: 13px; color: var(--fg-2); transition: border-color .16s;
}
.pill:hover { border-color: var(--acc); }
.pill b { font-weight: 500; padding: 2px 8px; border-radius: 999px; background: var(--acc-dim); color: var(--acc-ink); font-size: 12px; }
.hero h1 {
  position: relative; margin-top: 24px; max-width: 940px;
  font-size: clamp(40px, 6.6vw, 76px); line-height: 1.02; letter-spacing: -0.035em; font-weight: 600;
}
.hero .sub { position: relative; margin-top: 24px; max-width: 600px; font-size: 18px; line-height: 1.55; color: var(--muted); }
.hero .sub strong { color: var(--fg-2); font-weight: 500; }
.hero .cta { position: relative; display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.stage { position: relative; margin-top: 72px; perspective: 2200px; }
.stage::after {
  content: ""; position: absolute; inset: auto 0 0; height: 45%;
  background: linear-gradient(to bottom, transparent, var(--bg)); pointer-events: none; z-index: 2;
}
.screen {
  position: relative; border-radius: var(--r-l); overflow: hidden; background: var(--panel);
  box-shadow: var(--shadow); border: 1px solid var(--line-2);
  transform-origin: 50% 0; transform: rotateX(var(--tilt, 14deg)) scale(var(--sc, .96));
}
.screen-bar { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 14px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.screen-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.screen-bar span { margin-left: 10px; font: 500 12px/1 var(--f-mono); color: var(--faint); }

/* ---------- компании ---------- */
.logos { padding-block: 24px 96px; text-align: center; }
.logos p { color: var(--muted); font-size: 14px; }
.logos ul { list-style: none; margin: 28px 0 0; padding: 0; display: flex; justify-content: center; flex-wrap: wrap; gap: 20px 56px; }
.logos li { font: 600 20px/1 var(--f-display); letter-spacing: -0.02em; color: var(--faint); transition: color .2s; }
.logos li:hover { color: var(--fg); }
.logos li small { display: block; margin-top: 8px; font: 400 12px/1 var(--f-mono); color: var(--faint); letter-spacing: 0; }

/* ---------- секции ---------- */
.sec { border-top: 1px solid var(--line); padding-block: 112px; position: relative; }
.sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 64px; align-items: end; margin-bottom: 56px; }
.sec-head h2 { font-size: clamp(32px, 4.4vw, 52px); line-height: 1.05; letter-spacing: -0.03em; font-weight: 600; margin-top: 18px; }
.sec-head p { color: var(--muted); font-size: 16px; max-width: 460px; }
@media (max-width: 820px) { .sec { padding-block: 80px; } .sec-head { grid-template-columns: 1fr; } }

/* ---------- кейсы на главной ---------- */
.cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.case {
  position: relative; display: flex; flex-direction: column; border-radius: var(--r-l); overflow: hidden;
  border: 1px solid var(--line); background: linear-gradient(to bottom, var(--panel), var(--bg-2));
  transition: border-color .2s, transform .2s;
}
.case:hover { border-color: var(--line-2); }
.case::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%), var(--acc-dim), transparent 45%);
}
.case:hover::before { opacity: 1; }
.case-txt { position: relative; padding: 32px 32px 0; display: flex; flex-direction: column; gap: 12px; }
.case-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--faint); }
.case h3 { font-size: 26px; line-height: 1.15; letter-spacing: -0.025em; font-weight: 600; }
.case p { color: var(--muted); max-width: 520px; }
.case-foot { display: flex; align-items: center; gap: 16px; margin-top: 8px; }
.metric { font: 500 13px/1 var(--f-sans); color: var(--acc-ink); padding: 6px 10px; border-radius: 999px; background: var(--acc-dim); }
.more { font-size: 14px; color: var(--fg-2); display: inline-flex; gap: 6px; }
.case:hover .more .arr { transform: translateX(3px); }
.more .arr { transition: transform .16s; }
.case-img { position: relative; margin: 32px 0 0 32px; border-top-left-radius: var(--r-m); overflow: hidden; border: 1px solid var(--line-2); border-right: 0; border-bottom: 0; flex: 1; background: var(--panel); }
.case-img img { width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.case-wide { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.case-wide .case-txt { padding: 40px; justify-content: center; }
.case-wide .case-img { margin: 40px 0 0; aspect-ratio: 16 / 9; }
.case-wide h3 { font-size: 32px; }
.case-tpl .case-img { aspect-ratio: 820 / 420; flex: none; }
.case-tpl .case-img img { object-fit: cover; object-position: right top; }
.case-ds .case-img { aspect-ratio: 820 / 420; flex: none; }
@media (max-width: 860px) {
  .cases { grid-template-columns: 1fr; }
  .case-wide { grid-template-columns: 1fr; }
  .case-wide .case-txt { padding: 28px 24px 0; }
  .case-wide .case-img { margin: 28px 0 0 24px; }
  .case-txt { padding: 28px 24px 0; }
  .case-img { margin: 28px 0 0 24px; }
}

/* ---------- подход ---------- */
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--r-l); overflow: hidden; }
.feat { padding: 32px; display: flex; flex-direction: column; gap: 12px; border-left: 1px solid var(--line); }
.feat:first-child { border-left: 0; }
.feat svg { width: 22px; height: 22px; color: var(--fg-2); }
.feat h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; font-family: var(--f-sans); }
.feat p { color: var(--muted); font-size: 14.5px; }
.feat .num { margin-top: auto; padding-top: 16px; display: flex; align-items: baseline; gap: 10px; border-top: 1px dashed var(--line); }
.feat .num b { font: 600 28px/1 var(--f-display); letter-spacing: -0.03em; color: var(--fg); }
.feat .num span { font-size: 13px; color: var(--muted); }
@media (max-width: 860px) { .features { grid-template-columns: 1fr; } .feat { border-left: 0; border-top: 1px solid var(--line); } .feat:first-child { border-top: 0; } }

/* ---------- обо мне ---------- */
.about { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 64px; align-items: start; }
.photo { border-radius: var(--r-l); overflow: hidden; border: 1px solid var(--line-2); box-shadow: var(--shadow); max-width: 420px; }
.photo img { width: 100%; aspect-ratio: 526 / 515; object-fit: cover; }
.about h2 { font-size: clamp(32px, 4.4vw, 52px); line-height: 1.05; letter-spacing: -0.03em; font-weight: 600; margin-top: 18px; }
.about .role { margin-top: 12px; font-size: 18px; color: var(--fg-2); }
.about .bio { margin-top: 20px; color: var(--muted); font-size: 16px; max-width: 580px; display: grid; gap: 12px; }
.facts { margin: 36px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.facts div { padding: 16px 0; border-bottom: 1px solid var(--line); display: grid; gap: 4px; }
.facts div:nth-child(odd) { padding-right: 24px; }
.facts dt { font-size: 13px; color: var(--faint); }
.facts dd { margin: 0; color: var(--fg); }
@media (max-width: 820px) { .about { grid-template-columns: 1fr; gap: 40px; } .facts { grid-template-columns: 1fr; } }

/* ---------- опыт: как список изменений ---------- */
.log { list-style: none; margin: 0; padding: 0; }
.log li { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 32px; padding-block: 32px; border-top: 1px solid var(--line); position: relative; }
.log li:first-child { border-top: 0; padding-top: 0; }
.log .when { color: var(--muted); padding-top: 4px; display: flex; flex-direction: column; gap: 8px; }
.log .now-tag { align-self: flex-start; font: 500 12px/1 var(--f-sans); padding: 4px 8px; border-radius: 999px; color: var(--acc-ink); background: var(--acc-dim); }
.log h3 { font-size: 20px; letter-spacing: -0.02em; font-weight: 600; }
.log .r { color: var(--fg-2); margin-top: 4px; font-size: 14.5px; }
.log p { color: var(--muted); margin-top: 10px; max-width: 640px; }
@media (max-width: 680px) { .log li { grid-template-columns: 1fr; gap: 8px; } }

.study { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 64px; }
.box { border: 1px solid var(--line); border-radius: var(--r-l); padding: 28px; background: var(--bg-2); }
.box h3 { font: 500 13px/1 var(--f-sans); color: var(--muted); margin-bottom: 18px; }
.rows { list-style: none; margin: 0; padding: 0; display: grid; }
.rows li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.rows li:first-child { border-top: 0; padding-top: 0; }
.rows b { font-weight: 500; }
.rows span { color: var(--muted); text-align: right; }
@media (max-width: 760px) { .study { grid-template-columns: 1fr; } }

/* ---------- финал ---------- */
.final { text-align: center; padding-block: 140px; overflow: clip; }
.final::before {
  content: ""; position: absolute; left: 50%; bottom: -320px; width: 1000px; height: 600px; transform: translateX(-50%);
  display: none;
}
.final h2 { position: relative; font-size: clamp(40px, 6vw, 72px); line-height: 1.02; letter-spacing: -0.035em; font-weight: 600; }
.final p { position: relative; margin: 20px auto 0; color: var(--muted); font-size: 17px; max-width: 460px; }
.final .cta { position: relative; display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.handle { cursor: copy; }

/* ---------- подвал ---------- */
.foot { border-top: 1px solid var(--line); padding-block: 56px 40px; }
.foot-grid { display: grid; grid-template-columns: 2fr repeat(3, minmax(0, 1fr)); gap: 32px; }
.foot h4 { margin: 0 0 14px; font: 500 13px/1 var(--f-sans); color: var(--fg); }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.foot li a, .foot li button { font-size: 13.5px; color: var(--muted); background: none; border: 0; padding: 0; font-family: inherit; cursor: pointer; text-align: left; }
.foot li a:hover, .foot li button:hover { color: var(--fg); }
.foot .small { margin-top: 14px; color: var(--faint); font-size: 13px; max-width: 260px; }
.foot-bottom { margin-top: 48px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--faint); font-size: 13px; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-grid > :first-child { grid-column: 1 / -1; } }

/* ---------- палитра команд ---------- */
@keyframes pop { from { transform: scale(.97); opacity: 0; } }

.toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translate(-50%, 20px); opacity: 0; z-index: 120; padding: 10px 14px; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--line-2); color: var(--fg); font-size: 13.5px; box-shadow: var(--shadow); transition: opacity .2s, transform .2s; pointer-events: none; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- появление при скролле (стартует из видимого состояния) ---------- */
.rv { transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.rv.pre { opacity: 0; transform: translateY(16px); }
.hero .pill, .hero h1, .hero .sub, .hero .cta { animation: rise .8s cubic-bezier(.2, .7, .2, 1) both; }
.hero h1 { animation-delay: .06s; } .hero .sub { animation-delay: .12s; } .hero .cta { animation-delay: .18s; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); filter: blur(4px); } }

/* =========================================================
   Страница кейса
   ========================================================= */
.c-hero { padding-top: 72px; position: relative; overflow: clip; }
.c-hero::before {
  content: ""; position: absolute; left: 30%; top: -300px; width: 900px; height: 600px; transform: translateX(-50%);
  display: none;
}
.crumbs { position: relative; display: flex; gap: 8px; align-items: center; color: var(--faint); font-size: 13.5px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--fg); }
.c-hero h1 { position: relative; margin-top: 22px; max-width: 900px; font-size: clamp(36px, 5.6vw, 64px); line-height: 1.04; letter-spacing: -0.035em; font-weight: 600; }
.c-hero .lead { position: relative; margin-top: 22px; max-width: 700px; color: var(--muted); font-size: 18px; line-height: 1.55; }
.c-meta { position: relative; margin-top: 40px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.c-meta div { padding: 16px 16px 0 0; display: grid; gap: 4px; align-content: start; }
.c-meta dt { font-size: 13px; color: var(--faint); }
.c-meta dd { margin: 0; font-size: 14.5px; color: var(--fg-2); }
@media (max-width: 760px) { .c-meta { grid-template-columns: 1fr 1fr; row-gap: 12px; } }
.c-visual { margin-top: 56px; position: relative; }

.doc { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 64px; padding-block: 96px 40px; }
.toc { position: sticky; top: 104px; align-self: start; display: grid; gap: 2px; }
.toc p { font-size: 13px; color: var(--faint); margin-bottom: 10px; }
.toc a { font-size: 13.5px; color: var(--muted); padding: 5px 0 5px 12px; border-left: 1px solid var(--line); transition: color .16s, border-color .16s; }
.toc a:hover { color: var(--fg); }
.toc a.on { color: var(--fg); border-left-color: var(--acc); }
@media (max-width: 960px) { .doc { grid-template-columns: 1fr; gap: 0; } .toc { display: none; } }

.art { min-width: 0; }
.art > section { padding-bottom: 72px; }
.art > section + section { padding-top: 72px; border-top: 1px solid var(--line); }
.art .eyebrow { color: var(--faint); }
.art h2 { margin-top: 10px; font-size: clamp(28px, 3.4vw, 38px); line-height: 1.1; letter-spacing: -0.03em; font-weight: 600; max-width: 720px; }
.art h3 { margin-top: 44px; font: 600 17px/1.3 var(--f-sans); letter-spacing: -0.01em; color: var(--fg); }
.art p { margin-top: 16px; max-width: 680px; color: var(--fg-2); font-size: 16px; line-height: 1.7; }
.art p.in { color: var(--fg); font-size: 19px; line-height: 1.55; letter-spacing: -0.01em; }
.art p.note { color: var(--muted); font-size: 14.5px; }
.ticks { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; max-width: 680px; }
.ticks li { position: relative; padding-left: 28px; color: var(--fg-2); }
.ticks li::before {
  content: ""; position: absolute; left: 2px; top: 6px; width: 14px; height: 14px; border-radius: 4px;
  background: var(--acc-dim); border: 1px solid color-mix(in oklab, var(--acc) 50%, transparent);
}
.ticks li::after { content: ""; position: absolute; left: 6px; top: 9px; width: 6px; height: 4px; border-left: 1.5px solid var(--acc-ink); border-bottom: 1.5px solid var(--acc-ink); transform: rotate(-45deg); }

.tl { list-style: none; margin: 28px 0 0; padding: 0; max-width: 680px; display: grid; }
.tl li { position: relative; padding: 0 0 28px 40px; }
.tl li::before { content: ""; position: absolute; left: 11px; top: 26px; bottom: 0; width: 1px; background: var(--line-2); }
.tl li:last-child::before { display: none; }
.tl .k { position: absolute; left: 0; top: 0; width: 23px; height: 23px; border-radius: 50%; display: grid; place-items: center; font: 500 11px/1 var(--f-mono); color: var(--fg-2); background: var(--panel); border: 1px solid var(--line-2); }
.tl li.done .k { color: var(--acc-ink); border-color: color-mix(in oklab, var(--acc) 55%, transparent); background: var(--acc-dim); }
.tl b { display: block; font-weight: 600; color: var(--fg); }
.tl span { display: block; margin-top: 4px; color: var(--muted); }

.sol { margin-top: 28px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-l); overflow: hidden; }
.sol div { background: var(--bg); padding: 24px; }
.sol b { display: block; font-weight: 600; color: var(--fg); letter-spacing: -0.01em; }
.sol p { margin-top: 8px; font-size: 14.5px; color: var(--muted); line-height: 1.6; }
@media (max-width: 680px) { .sol { grid-template-columns: 1fr; } }

.nums { margin-top: 32px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; max-width: 760px; }
.nums div { border: 1px solid var(--line); border-radius: var(--r-l); padding: 24px; background: var(--bg-2); }
.nums b { display: block; font: 600 44px/1 var(--f-display); letter-spacing: -0.04em; }
.nums span { display: block; margin-top: 10px; color: var(--muted); font-size: 14px; }
@media (max-width: 560px) { .nums { grid-template-columns: 1fr; } }

.quote { margin-top: 32px; max-width: 680px; padding: 4px 0 4px 20px; border-left: 2px solid var(--acc); font: 400 18px/1.55 var(--f-sans); color: var(--fg); letter-spacing: -0.01em; }

/* скриншоты: показываем не крупнее исходника */
.fig { margin: 40px 0 0; }
.fig .frame { border-radius: var(--r-m); overflow: hidden; border: 1px solid var(--line-2); background: var(--panel); box-shadow: var(--shadow); }
.fig img { width: 100%; }
.fig figcaption { margin-top: 12px; color: var(--muted); font-size: 13.5px; }
.fig.native { max-width: var(--w); }
.figs { margin-top: 40px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; }
.figs .fig { margin: 0; }
@media (max-width: 680px) { .figs { grid-template-columns: 1fr; } }

/* до / после */
.ba { position: relative; border-radius: var(--r-l); overflow: hidden; border: 1px solid var(--line-2); box-shadow: var(--shadow); background: var(--panel); --pos: 50%; touch-action: pan-y; user-select: none; cursor: ew-resize; }
.ba img { width: 100%; pointer-events: none; }
.ba-old { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.ba-line { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; margin-left: -1px; background: var(--acc); box-shadow: 0 0 16px var(--acc); }
.ba-line::after { content: ""; position: absolute; top: 50%; left: 50%; width: 36px; height: 36px; transform: translate(-50%, -50%); border-radius: 50%; background: var(--panel); border: 2px solid var(--acc); box-shadow: var(--shadow); }
.ba-tag { position: absolute; top: 14px; padding: 5px 10px; border-radius: 999px; font: 500 12px/1 var(--f-sans); background: color-mix(in oklab, var(--bg) 80%, transparent); color: var(--fg); border: 1px solid var(--line-2); backdrop-filter: blur(6px); }
.ba-tag.l { left: 14px; } .ba-tag.r { right: 14px; }
.ba input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.cap { margin-top: 12px; color: var(--muted); font-size: 13.5px; }

/* шаги шаблонов */
.stepper { margin-top: 32px; display: grid; grid-template-columns: minmax(0, 260px) minmax(0, 1fr); gap: 24px; align-items: start; }
.st-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.st-list button { width: 100%; display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: start; padding: 12px; border-radius: 10px; border: 1px solid transparent; background: none; color: var(--muted); font: 400 14px/1.4 var(--f-sans); text-align: left; cursor: pointer; transition: background-color .16s, color .16s, border-color .16s; }
.st-list button i { font: 500 11px/23px var(--f-mono); font-style: normal; width: 23px; height: 23px; text-align: center; border-radius: 50%; border: 1px solid var(--line-2); }
.st-list button:hover { color: var(--fg); }
.st-list .on button { background: var(--panel); border-color: var(--line-2); color: var(--fg); }
.st-list .on button i { color: var(--acc-ink); border-color: color-mix(in oklab, var(--acc) 55%, transparent); background: var(--acc-dim); }
.st-view { position: relative; max-width: 820px; border-radius: var(--r-m); overflow: hidden; border: 1px solid var(--line-2); box-shadow: var(--shadow); background: #fff; aspect-ratio: 820 / 420; }
.st-view img { position: absolute; inset: 0; width: 100%; opacity: 0; transition: opacity .35s; }
.st-view img.on { opacity: 1; }
.st-bar { position: absolute; left: 0; bottom: 0; height: 2px; background: var(--acc); width: 0; }
@media (max-width: 760px) { .stepper { grid-template-columns: 1fr; } .st-list { grid-row: 2; } }

/* каскад токенов */
.cascade { margin-top: 32px; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--bg-2); padding: 24px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; position: relative; }
.cc { display: grid; gap: 8px; align-content: start; }
.cc h4 { margin: 0 0 4px; font: 500 12px/1 var(--f-mono); color: var(--faint); }
.cc h4 b { color: var(--fg-2); font-weight: 500; }
.tok { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px; background: var(--panel); border: 1px solid var(--line); font: 400 12px/1.2 var(--f-mono); color: var(--fg-2); min-width: 0; overflow-wrap: anywhere; }
.tok i { width: 12px; height: 12px; border-radius: 4px; flex: none; background: var(--brand); transition: background-color .4s var(--d, 0s); }
.cascade { --brand: #8b5cf6; }
.ui-btn { display: inline-flex; justify-content: center; padding: 10px 14px; border-radius: 8px; background: var(--brand); color: #fff; font: 500 13px/1 var(--f-sans); transition: background-color .4s .45s; }
.ui-alert { display: flex; gap: 8px; align-items: center; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--brand); background: color-mix(in oklab, var(--brand) 12%, transparent); font-size: 13px; color: var(--fg); transition: border-color .4s .45s, background-color .4s .45s; }
.ui-alert i { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); transition: background-color .4s .45s; }
.cc:nth-child(2) .tok i { --d: .15s; } .cc:nth-child(3) .tok i { --d: .3s; }
.cascade-go { grid-column: 1 / -1; justify-self: start; margin-top: 8px; }
@media (max-width: 760px) { .cascade { grid-template-columns: 1fr 1fr; } }

.loop { margin-top: 28px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; max-width: 760px; }
.loop div { border: 1px solid var(--line); border-radius: 12px; padding: 18px; background: var(--bg-2); display: grid; gap: 10px; align-content: start; }
.loop i { font: 500 12px/1 var(--f-mono); font-style: normal; color: var(--acc-ink); }
.loop span { color: var(--fg-2); font-size: 14.5px; }
@media (max-width: 640px) { .loop { grid-template-columns: 1fr; } }

.next { border-top: 1px solid var(--line); padding-block: 56px 96px; }
.next a { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 28px 32px; border-radius: var(--r-l); border: 1px solid var(--line); background: var(--bg-2); transition: border-color .2s; }
.next a:hover { border-color: var(--acc); }
.next small { display: block; color: var(--faint); font-size: 13px; }
.next strong { display: block; margin-top: 6px; font: 600 24px/1.2 var(--f-display); letter-spacing: -0.02em; }
.next .arr { font-size: 22px; color: var(--muted); transition: transform .2s; }
.next a:hover .arr { transform: translateX(4px); color: var(--acc-ink); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .screen { transform: none; }
  .rv.pre { opacity: 1; transform: none; }
}
.pill b { white-space: nowrap; }
@media (max-width: 480px) { .pill { font-size: 12.5px; } .screen-bar span { font-size: 10px; } }

/* ---------- живое свечение: три цвета дрейфуют и тянутся за курсором ---------- */
.aurora { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; --mx: 0; --my: 0; }
.aurora i {
  position: absolute; width: 760px; height: 520px; border-radius: 50%; opacity: var(--aur);
  filter: blur(70px); will-change: transform;
  translate: calc(var(--mx) * var(--k) * 1px) calc(var(--my) * var(--k) * 1px);
}
.aurora i:nth-child(1) { --k: 120; left: 50%; top: -300px; margin-left: -520px; background: radial-gradient(closest-side, var(--acc), transparent); animation: drift1 11s ease-in-out infinite alternate; }
.aurora i:nth-child(2) { --k: -90; left: 50%; top: -260px; margin-left: -120px; background: radial-gradient(closest-side, var(--acc2), transparent); animation: drift2 14s ease-in-out infinite alternate; }
.aurora i:nth-child(3) { --k: 180; left: 50%; top: -120px; margin-left: -380px; width: 560px; height: 420px; background: radial-gradient(closest-side, var(--acc3), transparent); animation: drift3 17s ease-in-out infinite alternate; opacity: calc(var(--aur) * .8); }
.aurora i:nth-child(4) { --k: 0; width: 420px; height: 420px; left: 0; top: 0; margin: -210px 0 0 -210px; opacity: 0; filter: blur(60px);
  background: radial-gradient(closest-side, color-mix(in oklab, var(--acc) 70%, var(--acc2)), transparent);
  translate: var(--cx, 50%) var(--cy, 0px); transition: opacity .6s; }
.aurora i:nth-child(4) { display: none; }
@keyframes drift1 { 0% { transform: translate(0, 0) scale(1) rotate(0deg); } 50% { transform: translate(180px, 60px) scale(1.15) rotate(20deg); } 100% { transform: translate(-80px, 120px) scale(.9) rotate(-10deg); } }
@keyframes drift2 { 0% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-220px, 100px) scale(.85); } 100% { transform: translate(120px, -20px) scale(1.2); } }
@keyframes drift3 { 0% { transform: translate(0, 0) scale(.9); } 50% { transform: translate(260px, -40px) scale(1.2); } 100% { transform: translate(-160px, 60px) scale(1); } }
.hero .wrap, .c-hero .wrap, .final .wrap { position: relative; z-index: 1; }
/* свечение финала: без линий, уходит под подвал и плавно гаснет вверх и к низу страницы (--foot-h ставит site.js) */
.sec.final { border-top: 0; overflow: visible; }
.final .aurora { bottom: calc(var(--foot-h, 260px) * -1);
  -webkit-mask-image: linear-gradient(to top, transparent 0, #000 calc(var(--foot-h, 260px) + 40px)); mask-image: linear-gradient(to top, transparent 0, #000 calc(var(--foot-h, 260px) + 40px)); }
.final .aurora i:nth-child(1), .final .aurora i:nth-child(2), .final .aurora i:nth-child(3) { top: auto; bottom: calc(var(--foot-h, 260px) - 300px); }
main:has(> .final:last-child) + .foot { border-top: 0; position: relative; z-index: 1; }
.c-hero .aurora i { opacity: calc(var(--aur) * .8); }
@media (max-width: 700px) { .aurora i { width: 460px; height: 360px; } .aurora i:nth-child(1) { margin-left: -330px; } .aurora i:nth-child(2) { margin-left: -60px; } .aurora i:nth-child(3) { margin-left: -240px; width: 360px; height: 300px; } }
@media (prefers-reduced-motion: reduce) { .aurora i { animation: none !important; translate: none !important; } }

/* ---------- v3: стеклянная плавающая шапка ---------- */
.top {
  top: calc(env(safe-area-inset-top, 0px) + 12px);
  width: min(calc(var(--wrap) + 24px), calc(100% - 32px));
  margin: 12px auto 0;
  border-radius: 16px;
  border: 1px solid var(--line-2);
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(180%); -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--glass-sh);
}
.top .wrap { height: 56px; max-width: none; padding-left: 18px; padding-right: 10px; }
.top + main .hero, .top + main .c-hero { margin-top: -80px; padding-top: 168px; }
.top + main .c-hero { padding-top: 152px; }
body::before { background: transparent; }
@media (max-width: 560px) { .top { width: calc(100% - 20px); margin-top: 10px; top: calc(env(safe-area-inset-top, 0px) + 10px); } .top .wrap { padding-left: 14px; padding-right: 8px; } }

/* ---------- цитата под первым экраном ---------- */
.motto { padding-block: 24px 112px; }
.motto figure { margin: 0 auto; max-width: 860px; text-align: center; }
.motto blockquote { position: relative; margin: 0; font: 600 clamp(26px, 3.4vw, 40px)/1.18 var(--f-display); letter-spacing: -0.03em; text-wrap: balance; }
.motto blockquote::before { content: "\201C"; display: block; height: .6em; font-size: 2.2em; line-height: 1; color: var(--acc); -webkit-text-fill-color: var(--acc); }
.motto figcaption { margin-top: 28px; display: inline-flex; align-items: center; gap: 12px; text-align: left; font-size: 14px; color: var(--fg); }
.motto figcaption img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line-2); }
.motto figcaption small { display: block; color: var(--muted); font-size: 13px; }

/* ---------- ч/б обложки кейсов в цвет темы ---------- */
.cover img { filter: grayscale(1) contrast(1.04); transition: filter .4s, transform .6s cubic-bezier(.2, .7, .2, 1); }
.cover img.src-light { filter: grayscale(1) var(--inv-l) contrast(1.04); }
.case:hover .cover img { transform: scale(1.02); }
.cover { background: var(--bg-2); }

/* ---------- обо мне: фото во всю высоту, наклон и маскот ---------- */
.about { align-items: stretch; }
.photo-stage { position: relative; perspective: 1000px; min-height: 360px; }
.photo { position: relative; height: 100%; max-width: none; transform-style: preserve-3d;
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .5s cubic-bezier(.2, .7, .2, 1); }
.photo-stage.live .photo { transition: transform .08s linear; }
.photo img { height: 100%; aspect-ratio: auto; object-fit: cover; object-position: 50% 30%; }
.glare { position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(500px circle at var(--gx, 50%) var(--gy, 50%), rgba(255, 255, 255, .22), transparent 45%); mix-blend-mode: overlay; }
.photo-stage.live .glare { opacity: 1; }

.mascot { position: absolute; right: -22px; bottom: -26px; width: 104px; height: 104px; z-index: 3;
  transform: translate3d(var(--mx3, 0px), var(--my3, 0px), 0); transition: transform .5s cubic-bezier(.2, .7, .2, 1); }
.m-body { position: absolute; inset: 0; border-radius: 50%; animation: bob 4.5s ease-in-out infinite;
  background:
    radial-gradient(circle at 34% 28%, rgba(255, 255, 255, .85) 0 7%, rgba(255, 255, 255, 0) 22%),
    radial-gradient(circle at 70% 80%, color-mix(in oklab, var(--acc2) 70%, transparent), transparent 55%),
    radial-gradient(circle at 40% 35%, color-mix(in oklab, var(--acc) 85%, white), var(--acc) 45%, color-mix(in oklab, var(--acc) 55%, black) 100%);
  box-shadow: inset -10px -14px 24px rgba(0, 0, 0, .28), inset 6px 8px 16px rgba(255, 255, 255, .25), 0 18px 40px color-mix(in oklab, var(--acc) 35%, transparent); }
.m-eye { position: absolute; top: 38%; width: 18px; height: 22px; border-radius: 50%; background: #fff; overflow: hidden; animation: blink 5.5s infinite;
  box-shadow: inset 0 -2px 3px rgba(0, 0, 0, .12); }
.m-eye:nth-child(1) { left: 28%; } .m-eye:nth-child(2) { left: 54%; }
.m-eye i { position: absolute; left: 50%; top: 50%; width: 10px; height: 11px; margin: -5.5px 0 0 -5px; border-radius: 50%; background: #0b0c0e;
  transform: translate(var(--ex, 0px), var(--ey, 0px)); transition: transform .12s; }
.m-eye i::after { content: ""; position: absolute; left: 2px; top: 2px; width: 3px; height: 3px; border-radius: 50%; background: #fff; }
.m-cheek { position: absolute; top: 62%; left: 20%; width: 12px; height: 7px; border-radius: 50%; background: rgba(255, 120, 150, .45); filter: blur(1px); }
.m-cheek.r { left: auto; right: 20%; }
.m-shadow { position: absolute; left: 18%; right: 18%; bottom: -12px; height: 10px; border-radius: 50%; background: rgba(0, 0, 0, .35); filter: blur(6px); animation: shadow 4.5s ease-in-out infinite; }
.photo-stage:hover .m-body { animation: hop .6s cubic-bezier(.3, 1.6, .5, 1) 1, bob 4.5s ease-in-out .6s infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-10px) rotate(4deg); } }
@keyframes shadow { 0%, 100% { transform: scale(1); opacity: .8; } 50% { transform: scale(.8); opacity: .5; } }
@keyframes blink { 0%, 92%, 100% { transform: scaleY(1); } 95% { transform: scaleY(.1); } }
@keyframes hop { 0% { transform: translateY(0) scale(1); } 40% { transform: translateY(-26px) scale(.94, 1.06); } 100% { transform: translateY(0) scale(1); } }
@media (max-width: 820px) { .photo-stage { max-width: 440px; } .photo img { aspect-ratio: 526 / 515; } .mascot { right: -8px; width: 84px; height: 84px; } .m-eye { width: 15px; height: 18px; } .m-eye i { width: 8px; height: 9px; margin: -4.5px 0 0 -4px; } }
@media (prefers-reduced-motion: reduce) { .photo { transform: none !important; } }

/* экран в первом экране: когда выпрямился, снимаем transform, чтобы браузер не пересэмплировал картинку */
.screen.flat { transform: none; }
.screen img { image-rendering: auto; }

/* ---------- плеер с главами (запись шаблонов) ---------- */
.player { display: grid; gap: 14px; }
.pl-screen { position: relative; border-radius: var(--r-l); overflow: hidden; border: 1px solid var(--line-2); box-shadow: var(--shadow); background: #17161a; aspect-ratio: 2016 / 1134; }
.pl-screen video { display: block; width: 100%; height: 100%; object-fit: cover; }
.pl-toggle { position: absolute; right: 14px; bottom: 14px; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; cursor: pointer;
  background: var(--glass); border: 1px solid var(--line-2); color: var(--fg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); opacity: 0; transition: opacity .2s; }
.pl-screen:hover .pl-toggle, .pl-toggle:focus-visible, .player.paused .pl-toggle { opacity: 1; }
.pl-toggle svg { width: 14px; height: 14px; fill: currentColor; }
.pl-toggle .i-play { display: none; } .player.paused .pl-toggle .i-play { display: block; } .player.paused .pl-toggle .i-pause { display: none; }
.pl-ch { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.pl-ch button { position: relative; width: 100%; height: 100%; display: grid; gap: 4px; align-content: start; padding: 14px 14px 18px; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--line); background: var(--bg-2); color: var(--muted); font: 400 13px/1.4 var(--f-sans); text-align: left; cursor: pointer; transition: border-color .2s, color .2s, background-color .2s; }
.pl-ch b { font-weight: 600; color: var(--fg-2); font-size: 14px; }
.pl-ch button:hover { border-color: var(--line-2); color: var(--fg-2); }
.pl-ch .on button { border-color: color-mix(in oklab, var(--acc) 45%, transparent); background: var(--panel); color: var(--fg-2); }
.pl-ch .on b { color: var(--fg); }
.pl-ch i { position: absolute; left: 0; bottom: 0; height: 2px; width: calc(var(--p, 0) * 100%); background: var(--acc); }
@media (max-width: 900px) { .pl-ch { grid-template-columns: 1fr 1fr; } .pl-ch li:last-child { grid-column: 1 / -1; } }
@media (max-width: 480px) { .pl-ch { grid-template-columns: 1fr; } .pl-ch span { display: none; } }

/* ---------- v5: карточки кейсов без метрик, «Читать» акцентом, живые обложки ---------- */
.case .more { color: var(--acc-ink); font-weight: 500; }
.case:hover .more { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.cover img, .cover img.src-light { filter: none; }
.case-tpl .case-img, .case-ds .case-img { aspect-ratio: 1600 / 908; }
.cover video { display: block; width: 100%; height: 100%; object-fit: cover; object-position: right top; }
.morph { --m: 0; }
.morph > img, .morph-old img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.morph-old { position: absolute; inset: 0; clip-path: inset(0 0 0 calc(var(--m) * 100%)); }
.morph-line { position: absolute; top: 0; bottom: 0; left: calc(var(--m) * 100%); width: 2px; margin-left: -1px; background: var(--acc); box-shadow: 0 0 18px var(--acc), 0 0 2px var(--acc);
  opacity: calc(var(--m) * (1 - var(--m)) * 8); }

/* ---------- навыки ---------- */
.sk-hero { position: relative; overflow: hidden; padding: 40px; border: 1px solid var(--line-2); border-radius: var(--r-l); background: var(--panel); display: grid; gap: 14px; }
.sk-glow { position: absolute; inset: -40% -10% auto auto; width: 70%; height: 180%; pointer-events: none; opacity: .7;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--acc) 45%, transparent), transparent 70%), radial-gradient(closest-side at 30% 70%, color-mix(in srgb, var(--acc2) 35%, transparent), transparent 70%); filter: blur(30px); }
.sk-hero > :not(.sk-glow) { position: relative; }
.sk-kicker { font-size: 12px; letter-spacing: .04em; color: var(--acc-ink); }
.sk-hero h3 { font-size: clamp(26px, 3vw, 34px); line-height: 1.1; letter-spacing: -0.025em; font-weight: 600; }
.sk-hero p { color: var(--muted); max-width: 640px; font-size: 16px; }
.sk-tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin-top: 6px; }
.sk-tags li { font-size: 12.5px; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line-2); color: var(--fg-2); background: color-mix(in srgb, var(--bg) 50%, transparent); }
.sk-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; margin-top: 56px; }
.sk-h { font-size: 12px; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; color: var(--faint); padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.sk-list { list-style: none; padding: 0; margin: 0; }
.sk-list li { display: grid; grid-template-columns: 36px 1fr; gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--line); transition: background .2s; }
.sk-n { font-size: 12px; color: var(--faint); padding-top: 3px; transition: color .2s; }
.sk-list li:hover .sk-n { color: var(--acc-ink); }
.sk-list h4 { margin: 0; font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 4px; }
.sk-list p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.5; }
@media (max-width: 820px) { .sk-cols { grid-template-columns: 1fr; gap: 48px; margin-top: 40px; } .sk-hero { padding: 28px 24px; } }

/* ---------- переключатель языка ---------- */
.lang-btn { display: inline-flex; align-items: center; justify-content: center; height: 32px; min-width: 36px; padding: 0 8px; border-radius: 8px;
  font: 500 12.5px/1 var(--f-mono); letter-spacing: .02em; color: var(--fg-2); border: 1px solid var(--line-2); transition: color .15s, border-color .15s, background .15s; }
.lang-btn:hover { color: var(--fg); border-color: var(--acc); background: var(--acc-dim); }

/* ---------- mesh-градиент на весь сайт: пять пятен медленно перетекают за контентом ---------- */
.mesh { position: fixed; inset: -10vmax; z-index: -1; pointer-events: none; overflow: hidden; }
.mesh i { position: absolute; width: 60vmax; height: 60vmax; border-radius: 50%; filter: blur(90px); opacity: .2; will-change: transform; }
.mesh i:nth-child(1) { left: -5%; top: 0; background: radial-gradient(closest-side, var(--acc), transparent); animation: mesh1 24s ease-in-out infinite alternate; }
.mesh i:nth-child(2) { right: -10%; top: 10%; background: radial-gradient(closest-side, var(--acc2), transparent); animation: mesh2 30s ease-in-out infinite alternate; opacity: .16; }
.mesh i:nth-child(3) { left: 25%; bottom: -15%; background: radial-gradient(closest-side, var(--acc3), transparent); animation: mesh3 27s ease-in-out infinite alternate; opacity: .12; }
.mesh i:nth-child(4) { left: 45%; top: 35%; width: 45vmax; height: 45vmax; background: radial-gradient(closest-side, #2b4fd8, transparent); animation: mesh4 21s ease-in-out infinite alternate; opacity: .18; }
.mesh i:nth-child(5) { left: -15%; bottom: 0; width: 50vmax; height: 50vmax; background: radial-gradient(closest-side, color-mix(in oklab, var(--acc) 50%, var(--acc2)), transparent); animation: mesh5 33s ease-in-out infinite alternate; opacity: .14; }
@keyframes mesh1 { 0% { transform: translate(0, 0) scale(1); } 50% { transform: translate(30vw, 20vh) scale(1.2); } 100% { transform: translate(10vw, 50vh) scale(.9); } }
@keyframes mesh2 { 0% { transform: translate(0, 0) scale(1.1); } 50% { transform: translate(-25vw, 30vh) scale(.85); } 100% { transform: translate(-40vw, 5vh) scale(1.2); } }
@keyframes mesh3 { 0% { transform: translate(0, 0) scale(.9); } 50% { transform: translate(-20vw, -35vh) scale(1.15); } 100% { transform: translate(25vw, -15vh) scale(1); } }
@keyframes mesh4 { 0% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-30vw, -20vh) scale(1.3); } 100% { transform: translate(15vw, 20vh) scale(.8); } }
@keyframes mesh5 { 0% { transform: translate(0, 0) scale(1); } 50% { transform: translate(35vw, -25vh) scale(.9); } 100% { transform: translate(55vw, 10vh) scale(1.15); } }

/* ---------- фонарик: мягкий свет идёт за курсором по всему сайту (позицию с лерпом ставит site.js) ---------- */
.torch { position: fixed; left: 0; top: 0; z-index: -1; width: 640px; height: 640px; margin: -320px 0 0 -320px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(closest-side, color-mix(in oklab, var(--acc) 24%, transparent), color-mix(in oklab, var(--acc2) 8%, transparent) 55%, transparent);
  transform: translate3d(var(--tx, -999px), var(--ty, -999px), 0); opacity: 0; transition: opacity .5s; will-change: transform; }
.torch.on { opacity: 1; }
@media (prefers-reduced-motion: reduce) { .mesh i { animation: none !important; } .torch { display: none; } }