/* ==========================================================
   SMARTUM · «Бланк × Озарение»
   Бумага, фиолетовые чернила, жёлтый маркер, красная ручка.
   Ночь и молния - там, где у ученика «щёлкает».
   ========================================================== */

/* ---------- Шрифты (локально, с кириллицей) ---------- */
@font-face{font-family:"Literata";src:url(../fonts/literata-cyr.woff2) format("woff2");font-weight:200 900;font-style:normal;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Literata";src:url(../fonts/literata-lat.woff2) format("woff2");font-weight:200 900;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F,U+2190-2193,U+2212}
@font-face{font-family:"Literata";src:url(../fonts/literata-cyr-italic.woff2) format("woff2");font-weight:200 900;font-style:italic;font-display:swap;unicode-range:U+0400-045F}
@font-face{font-family:"Literata";src:url(../fonts/literata-lat-italic.woff2) format("woff2");font-weight:200 900;font-style:italic;font-display:swap;unicode-range:U+0020-005F,U+00A0,U+00AB,U+00BB,U+2013-2026}
@font-face{font-family:"Plex Mono";src:url(../fonts/plex-cyr-500.woff2) format("woff2");font-weight:500;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Plex Mono";src:url(../fonts/plex-lat-500.woff2) format("woff2");font-weight:500;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F,U+2190-2193,U+2212}
@font-face{font-family:"Bad Script";src:url(../fonts/badscript-cyr.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0400-045F}
@font-face{font-family:"Bad Script";src:url(../fonts/badscript-lat.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0000-00FF,U+2013-2026}
/* запасной шрифт с подогнанными метриками, чтобы вёрстка не прыгала при загрузке */
@font-face{font-family:"Literata Fallback";src:local("Georgia"),local("Times New Roman");size-adjust:104%;ascent-override:92%;descent-override:26%;line-gap-override:0%}


/* ---------- Токены ---------- */
:root{
  /* бумага */
  --paper:#F3EFE5;
  --paper-hi:#FBF9F3;
  --paper-lo:#E9E3D3;
  /* чернила */
  --ink:#31046B;          /* фиолетовый логотипа = школьные чернила */
  --ink-2:#2A1A49;
  --ink-3:#5A5070;
  --ink-4:#7E7694;
  --lilac:#9271B8;        /* лучи логотипа */
  --rule:rgba(49,4,107,.13);
  --rule-2:rgba(49,4,107,.28);
  --rule-3:rgba(49,4,107,.62);
  --grid:rgba(146,113,184,.15);
  /* маркер и ручка */
  --marker:#FFE04A;
  --marker-deep:#FFD21A;
  --red:#D1392B;
  --stamp:#3A178D;
  --black:#1A0E2E;
  /* ночь */
  --night-0:#07050E;
  --night-1:#0B0716;
  --night-2:#140B2B;
  --bone:#EFEBF5;
  --bone-2:#C9C1D8;
  --mute:#9A92B0;
  --n-rule:rgba(239,235,245,.14);
  --n-rule-2:rgba(239,235,245,.07);
  --gold:linear-gradient(180deg,#FFF1C2 0%,#FFE04A 42%,#E9A92C 100%);

  --wrap:1248px;
  --mcol:120px;           /* колонка «полей» с номерами заданий */
  --side:24px;
  --cut:4.6vw;            /* один наклон для всех диагоналей */
  --r:3px;
  --hdr:72px;
  --tick:34px;
  --ease:cubic-bezier(.22,.8,.18,1);
  --ease-io:cubic-bezier(.65,0,.25,1);

  --f-serif:"Literata","Literata Fallback",Georgia,"Times New Roman",serif;
  --f-mono:"Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --f-hand:"Bad Script","Segoe Script","Comic Sans MS",cursive;

  --sh-paper:0 1px 1px rgba(26,14,46,.06),0 4px 8px -3px rgba(26,14,46,.08),0 22px 36px -18px rgba(49,4,107,.26),0 50px 80px -40px rgba(49,4,107,.28);
  --sh-night:0 2px 2px rgba(0,0,0,.25),0 30px 60px -20px rgba(0,0,0,.7),0 80px 120px -40px rgba(10,0,30,.9);

  --noise:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .19 0 0 0 0 .1 0 0 0 0 .3 .16 0 0 0 -.04'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1.4 -.35'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --mk:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 40' preserveAspectRatio='none'%3E%3Cpath fill='%23FFE04A' d='M3 6C40 3.5 90 5.6 140 3.8S190 4.6 198 3l1.5 30.5c-29 2.2-79.5.3-129.5 1.9S15 34 .5 36.6z'/%3E%3Cpath fill='%23FFCF14' opacity='.4' d='M2 9c58-2.2 120 .6 196-2v3.6c-76 2.2-138-.4-196 1.8z'/%3E%3Cpath fill='%23FFCF14' opacity='.3' d='M3 27.4c57-1.6 127 .8 195-1.4v3c-68 2-138-.4-195 1.4z'/%3E%3C/svg%3E");
}

/* ---------- База ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 16px);background:var(--night-0)}
body{
  margin:0;position:relative;overflow-x:hidden;overflow-x:clip;
  color:var(--ink-2);background:var(--paper) var(--noise);background-size:220px 220px;
  font:400 17px/1.6 var(--f-serif);
  font-kerning:normal;font-variant-numeric:lining-nums;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;
}
img,svg,canvas{display:block}
a{color:inherit}
p{margin:0}
h1,h2,h3{margin:0;font-weight:600;color:var(--ink)}
button{font:inherit;color:inherit}
::selection{background:var(--marker);color:var(--ink)}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:2px}
.night :focus-visible{outline-color:var(--marker)}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--marker);color:var(--ink);padding:10px 14px;font:500 12px var(--f-mono);text-decoration:none}
.skip:focus{top:12px}

.mono{font-family:var(--f-mono);font-weight:500;font-size:11.5px;line-height:1.35;letter-spacing:.14em;text-transform:uppercase}

.wrap{width:min(100% - var(--side)*2, var(--wrap));margin-inline:auto}
.page{display:grid;grid-template-columns:var(--mcol) minmax(0,1fr)}
.mcol{grid-column:1;position:relative}
.ccol{grid-column:2;min-width:0}
.span-all{grid-column:1 / -1}
main{position:relative}

/* номер задания на полях (как в КИМ) */
.task{display:inline-flex;flex-direction:column;align-items:flex-start;gap:8px}
.task-k{font:500 9.5px/1 var(--f-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--ink-4)}
.task-n{display:grid;place-items:center;width:48px;height:48px;border:1.5px solid var(--ink);background:var(--paper-hi);font:600 21px/1 var(--f-serif);color:var(--ink);font-variant-numeric:tabular-nums lining-nums;letter-spacing:-.01em}
.night .task-k{color:var(--mute)}
.night .task-n{border-color:rgba(239,235,245,.55);background:transparent;color:var(--bone)}

/* ---------- Шапка: белая бумага ---------- */
.hdr{position:sticky;top:0;z-index:80;height:var(--hdr);background:rgba(251,249,243,.94);color:var(--ink);border-bottom:1px solid var(--rule-2);
  -webkit-backdrop-filter:saturate(1.4) blur(12px);backdrop-filter:saturate(1.4) blur(12px);transition:box-shadow .3s}
.hdr::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:1px;background:var(--rule);pointer-events:none}
.hdr.scrolled{box-shadow:0 12px 28px -18px rgba(49,4,107,.4)}
.hdr-in{display:flex;align-items:center;gap:36px;height:100%}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);margin-right:auto}
.logo-mark{width:40px;height:40px;transition:transform .5s var(--ease)}
.logo:hover .logo-mark{transform:rotate(-8deg)}
.logo-word{font:700 25px/1 var(--f-serif);letter-spacing:-.03em}
.logo-tag{font-size:9px;letter-spacing:.16em;line-height:1.25;color:var(--ink-3);padding-left:12px;border-left:1px solid var(--rule-2)}
.nav{display:flex;gap:26px}
.nav a{font:500 11px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--ink);padding:8px 2px;
  background:var(--mk) no-repeat 0 60%/0% 70%;transition:background-size .45s var(--ease)}
.nav a:hover,.nav a:focus-visible{background-size:100% 70%}

/* ---------- Кнопки ---------- */
.btn{--h:58px;position:relative;isolation:isolate;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:14px;height:var(--h);padding:0 28px 0 22px;
  background:var(--ink);color:var(--paper-hi);border:0;border-radius:var(--r);text-decoration:none;cursor:pointer;
  font:500 12.5px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;white-space:nowrap;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.25),0 10px 22px -12px rgba(49,4,107,.6);
  transition:color .35s var(--ease),transform .15s}
.btn::before{content:"";position:absolute;inset:-2px -6px;z-index:-1;background:var(--mk) no-repeat 0 50%/100% 100%;transform:scaleX(0);transform-origin:0 50%;transition:transform .5s var(--ease)}
.btn svg{width:18px;height:18px;flex:none}
.btn:hover{color:var(--ink)}
.btn:hover::before{transform:scaleX(1)}
.btn:active{transform:translateY(1px)}
.btn-sm{--h:44px;padding:0 18px 0 15px;gap:10px;font-size:11.5px}
.btn-sm svg{width:16px;height:16px}
/* жёлтая кнопка для ночных блоков */
.btn-y{background:var(--marker);color:var(--ink);box-shadow:inset 0 -2px 0 rgba(0,0,0,.12),0 0 0 1px rgba(255,224,74,.35),0 14px 34px -12px rgba(255,210,26,.55)}
.btn-y::before{background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.85) 48%,rgba(255,255,255,0) 62%);inset:0;transform:translateX(-120%);transition:transform .7s var(--ease)}
.btn-y:hover{color:var(--ink);box-shadow:inset 0 -2px 0 rgba(0,0,0,.12),0 0 0 1px rgba(255,224,74,.5),0 18px 44px -10px rgba(255,210,26,.75)}
.btn-y:hover::before{transform:translateX(120%)}
.btn:disabled{opacity:.35;cursor:not-allowed}
.btn:disabled::before{display:none}
.btn:disabled:hover{color:var(--paper-hi)}

.link{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:500 12.5px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;padding:10px 2px;cursor:pointer;border:0;
  background:linear-gradient(var(--ink),var(--ink)) no-repeat 0 100%/100% 1px,var(--mk) no-repeat 0 55%/0% 80%;transition:background-size .45s var(--ease)}
.link svg{width:16px;height:16px;transition:transform .35s var(--ease)}
.link:hover{background-size:100% 1px,100% 80%}
.link:hover svg{transform:translateX(3px)}
.link:hover svg.down{transform:translateY(3px)}
.night .link{color:var(--bone);background:linear-gradient(rgba(239,235,245,.4),rgba(239,235,245,.4)) no-repeat 0 100%/100% 1px,linear-gradient(var(--marker),var(--marker)) no-repeat 0 100%/0% 2px}
.night .link:hover{background-size:100% 1px,100% 2px}
.night .link svg{color:var(--marker)}

/* ---------- Бургер / мобильное меню ---------- */
.burger{display:none;width:44px;height:44px;border:1px solid var(--rule-2);background:var(--paper-hi);border-radius:var(--r);padding:0;cursor:pointer;position:relative}
.burger span{position:absolute;left:12px;right:12px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease)}
.burger span:first-child{top:17px}.burger span:last-child{top:25px}
.burger[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}
.menu{position:absolute;left:0;right:0;top:100%;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule-2);background:var(--paper-hi);box-shadow:0 24px 40px -24px rgba(49,4,107,.35);max-height:calc(100svh - var(--hdr));overflow:auto}
.menu-in{display:flex;flex-direction:column;padding:8px 0 24px}
.menu-in a:not(.btn){display:flex;align-items:baseline;gap:16px;padding:16px 0;border-bottom:1px solid var(--rule);font:600 26px/1.1 var(--f-serif);letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.menu-in a .mono{color:var(--ink-4);font-size:10.5px}
.menu-in .btn{margin-top:24px}

/* ---------- Маркер ---------- */
.mk{font-style:italic;font-weight:500;color:var(--ink);padding:0 .1em;margin:0 -.04em;
  background:var(--mk) no-repeat 0 78%/100% 66%;
  -webkit-box-decoration-break:clone;box-decoration-break:clone}

/* ---------- Клеточки бланка ЕГЭ ---------- */
.cells{display:inline-block;vertical-align:middle;line-height:1}
.cells-in{display:inline-flex;gap:var(--cg,3px)}
.cells i{display:grid;place-items:center;overflow:hidden;font-style:normal;width:var(--cw,1.3em);height:var(--ch,1.62em);
  border:1px solid var(--rule-3);background:var(--paper-hi);color:var(--ink)}
.cells i.sp{border-color:var(--rule-2);background:transparent}
.cells b{display:block;font-weight:inherit;line-height:1.3;padding:0 .06em}
.cells.hand{font-family:var(--f-hand);font-weight:400}
.cells.hand b{transform:translateY(.04em) rotate(-2deg)}
.cells.hand i:nth-child(3n) b{transform:translateY(.02em) rotate(1.5deg)}
.cells.hand i:nth-child(4n+1) b{transform:translateY(.07em) rotate(-.5deg)}
.cells.hand i.d b{font-size:1.42em;transform:translateY(-.16em) rotate(-3deg)}
.cells.xl i.d b,.cells.cab i.d b{font-size:1em}
.cells.xs{--cw:21px;--ch:26px;--cg:2px;font:600 15px/1 var(--f-serif)}
.night .cells.xs i{background:transparent;border-color:rgba(239,235,245,.5);color:var(--bone)}

/* красная ручка */
.pen{font-family:var(--f-hand);color:var(--red);line-height:1;letter-spacing:0;text-transform:none}
.ring-wrap{position:relative;display:inline-block}
.ring{position:absolute;inset:-20px -26px -18px -24px;width:calc(100% + 50px);height:calc(100% + 38px);overflow:visible;pointer-events:none}
.ring path{fill:none;stroke:var(--red);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke;stroke-dasharray:1;stroke-dashoffset:0}
.stamp{color:var(--stamp);opacity:.86;mix-blend-mode:multiply;filter:url(#ink);pointer-events:none}
.chip-soon{display:inline-block;padding:6px 10px 5px;border:1.5px solid var(--stamp);color:var(--stamp);font-size:11px;transform:rotate(-4deg);filter:url(#ink);box-shadow:inset 0 0 0 2px var(--paper),inset 0 0 0 3px var(--stamp);white-space:nowrap}

/* ---------- Каркас секций ---------- */
.sec{position:relative;padding:136px 0 0}
.kicker{display:flex;align-items:center;gap:16px;margin:2px 0 30px;color:var(--ink)}
.kicker .mono{white-space:nowrap}
.k-rule{flex:1;height:1px;background:var(--rule-2)}
.k-r{color:var(--ink-4)}
.night .kicker{color:var(--marker)}
.night .k-rule{background:linear-gradient(90deg,var(--n-rule),transparent)}
.night .k-r{color:var(--mute)}
.h2{font:600 clamp(38px,4.9vw,70px)/1.02 var(--f-serif);letter-spacing:-.032em;color:var(--ink);max-width:15ch;text-wrap:balance}
.night .h2{color:var(--bone)}
.sub{max-width:44ch;margin-top:24px;font-size:19px;line-height:1.55;color:var(--ink-3);text-wrap:pretty}
.night .sub{color:var(--bone-2)}
.head2{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;align-items:end}
.head2 .sub{margin-top:0;font-size:17.5px;max-width:42ch}

/* ==========================================================
   01 · HERO - бумага и 3D-знак на транспортире
   ========================================================== */
.hero{position:relative;overflow:hidden;display:flex;align-items:center;min-height:max(640px,calc(100svh - var(--hdr)));border-bottom:1px solid var(--rule-2)}
.hero::before{content:"";position:absolute;right:-12%;top:-10%;width:72%;height:120%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(146,113,184,.18),rgba(146,113,184,.06) 55%,transparent 75%)}
.hero-in{position:relative;width:min(100% - var(--side)*2, var(--wrap));margin-inline:auto;padding:clamp(40px,6vh,72px) 0 clamp(48px,7vh,88px)}
.hero .mcol{padding-top:6px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:24px;align-items:center}
.eyebrow{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px;color:var(--ink);margin-bottom:34px}
.eb-cells{display:inline-flex;align-items:center;gap:10px}
.eyebrow > .mono{padding-right:18px;border-right:1px solid var(--rule-2)}
.h1{font:600 clamp(48px,7vw,104px)/.98 var(--f-serif);letter-spacing:-.04em;color:var(--ink);margin-left:-.055em}
.h1 .mk{padding:0 .08em 0 .06em}
.h1 .bolt{display:inline-block;width:.46em;height:.98em;margin-left:.04em;vertical-align:-.1em;transform:rotate(12deg);transform-origin:50% 80%;filter:drop-shadow(0 6px 10px rgba(49,4,107,.18))}
.lead{max-width:36ch;margin-top:34px;font-size:21px;line-height:1.52;color:var(--ink-2);text-wrap:pretty}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:20px 32px;margin-top:40px}
.note{display:flex;align-items:center;gap:10px;margin-top:22px;font-size:10.5px;color:var(--ink-4)}
.note-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--marker-deep);box-shadow:0 0 0 3px rgba(255,210,26,.25)}
.hero .stage{height:clamp(480px,46vw,600px)}

/* бланк ответов: бумага в темноте, вспышка его подсвечивает */
.blank{position:relative;margin:0;padding:38px 34px 30px;background-color:var(--paper-hi);color:var(--ink);
  background-image:var(--noise);background-size:220px;
  box-shadow:var(--sh-paper);transform:rotate(1.4deg);transform-origin:40% 30%;border-radius:2px;
  transition:transform .7s var(--ease)}
.blank::before{content:"";position:absolute;inset:10px;border:1px solid var(--rule);pointer-events:none}
@media (hover:hover){.blank:hover{transform:rotate(0deg) translateY(-6px)}}
.reg{position:absolute;width:11px;height:11px;background:var(--black)}
.r-tl{top:16px;left:16px}.r-tr{top:16px;right:16px}.r-bl{bottom:16px;left:16px}.r-br{bottom:16px;right:16px}
.b-head{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:6px 0 16px 14px;border-bottom:1.5px solid var(--ink)}
.barcode{fill:var(--black)}
.b-head .barcode{width:118px;height:30px}
.b-title{display:flex;flex-direction:column;gap:5px}
.b-title b{font-size:12px;letter-spacing:.12em;color:var(--black)}
.b-title span{font-size:9px;color:var(--ink-4);letter-spacing:.14em}
.b-sheet{display:grid;place-items:center;width:48px;height:48px;border:1px solid var(--ink);font-size:16px;letter-spacing:0;line-height:1;margin-right:14px}
.b-sheet span{font-size:8px;letter-spacing:.14em;color:var(--ink-4)}
.b-cap{display:block;font-size:9px;letter-spacing:.14em;color:var(--ink-3)}
.b-rows{list-style:none;margin:0;padding:14px 0 4px 14px;display:grid;gap:9px}
.b-rows li{display:grid;grid-template-columns:22px 1fr;grid-template-rows:auto auto;column-gap:4px;align-items:end}
.b-n{grid-row:2;font-size:11px;letter-spacing:0;color:var(--black);align-self:center}
.b-l{grid-column:2;font-size:8.5px;letter-spacing:.16em;color:var(--ink-4);margin-bottom:4px}
.b-rows .cells{grid-column:2;--cw:22px;--ch:28px;--cg:2px;font-size:19px}
.b-score{position:relative;margin-top:14px;padding:16px 0 4px 14px;border-top:1.5px solid var(--ink)}
.b-score-row{position:relative;display:flex;align-items:center;gap:18px;margin-top:12px}
.cells.xl{--cw:58px;--ch:72px;--cg:5px;font-size:52px}
.cells.xl i{border-width:1.5px;border-color:var(--ink)}
.b-of{align-self:flex-start;margin-top:8px;font-size:10px;letter-spacing:.14em;color:var(--ink-3);line-height:1.5}
.pen-97{position:absolute;left:150px;top:50px;font-size:26px;transform:rotate(-7deg)}
.pen-97::after{content:"";position:absolute;left:2px;right:-4px;bottom:-8px;height:6px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 6' preserveAspectRatio='none'%3E%3Cpath d='M1 4C25 1.5 60 1 99 3' fill='none' stroke='%23D1392B' stroke-width='1.6' stroke-linecap='round' vector-effect='non-scaling-stroke'/%3E%3C/svg%3E") no-repeat 0 0/100% 100%}
.blank .stamp{position:absolute;width:132px;height:132px;right:22px;bottom:24px;transform:rotate(-16deg)}

/* ==========================================================
   02 · ИТОГИ
   ========================================================== */
.sec-stats{padding-top:88px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:56px;border-top:1.5px solid var(--ink);border-bottom:1px solid var(--rule-2)}
.stat{position:relative;padding:22px 24px 30px;border-left:1px solid var(--rule-2)}
.stat:first-child{border-left:0;padding-left:0}
.s-cap{display:flex;gap:10px;color:var(--ink-4);font-size:10px;margin-bottom:28px}
.s-cap b{color:var(--ink);font-weight:500}
.cells.st{--cw:70px;--ch:90px;--cg:5px;font:500 62px/1 var(--f-serif);letter-spacing:-.02em}
.cells.st i{border-color:var(--rule-3)}
.stat p{margin-top:22px;font-size:16px;line-height:1.45;color:var(--ink-3);max-width:22ch}
.stat-97 .cells.st i{border-color:var(--ink);border-width:1.5px}
.s-go{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:10px;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule-2);padding-bottom:3px;transition:border-color .3s}
.s-go:hover{border-color:var(--ink)}
.s-go svg{width:12px;height:12px}

/* ==========================================================
   03 · НАПРАВЛЕНИЯ (оглавление)
   ========================================================== */
.toc{list-style:none;margin:64px 0 0;padding:0}
.toc > li{border-top:1px solid var(--rule-2)}
.toc > li:first-child{border-top:1.5px solid var(--ink)}
.toc > li:last-child{border-bottom:1px solid var(--rule-2)}
.toc-row{display:grid;grid-template-columns:var(--mcol) minmax(0,1fr) 72px;align-items:start;padding:24px 0 22px;color:inherit;text-decoration:none;position:relative}
.toc-n{padding-top:4px}
.toc-n span{display:grid;place-items:center;width:48px;height:48px;border:1px solid var(--rule-3);font:600 18px/1 var(--f-serif);color:var(--ink);background:var(--paper-hi);transition:background-color .3s,border-color .3s,color .3s}
.toc-line{display:flex;align-items:baseline;gap:18px}
.toc-t{font:600 clamp(26px,2.5vw,36px)/1.12 var(--f-serif);letter-spacing:-.025em;color:var(--ink)}
.toc-t .hl{background:var(--mk) no-repeat 0 82%/0% 62%;-webkit-box-decoration-break:clone;box-decoration-break:clone;transition:background-size .55s var(--ease);padding:0 .06em;margin:0 -.06em}
.toc-dots{flex:1;min-width:24px;height:2px;align-self:baseline;transform:translateY(-.15em);background:radial-gradient(circle,var(--rule-3) 1px,transparent 1.3px) repeat-x 0 50%/8px 2px}
.toc-meta{color:var(--ink-3);font-size:11px;white-space:nowrap}
.toc-d{display:block;margin-top:8px;max-width:62ch;font-size:16px;line-height:1.55;color:var(--ink-3)}
.toc-go{justify-self:end;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;border:1px solid var(--rule-2);color:var(--ink);transition:transform .45s var(--ease),background-color .3s,border-color .3s}
.toc-go svg{width:20px;height:20px}
a.toc-row:hover .hl,a.toc-row:focus-visible .hl{background-size:100% 62%}
a.toc-row:hover .toc-n span{background:var(--ink);border-color:var(--ink);color:var(--paper-hi)}
a.toc-row:hover .toc-go{transform:translateX(6px);background:var(--marker);border-color:var(--ink)}
.toc-soon .toc-t{color:var(--ink-4)}
.toc-soon .toc-n span{border-style:dashed;color:var(--ink-4);background:transparent}
.subj{margin-top:44px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;align-items:start}
.subj p{font-size:19px;line-height:1.7;color:var(--ink-2);max-width:68ch;text-wrap:pretty}
.subj-k{display:inline-block;margin-top:6px;padding:4px 8px 3px;border:1px solid var(--rule-3);font-size:10px;color:var(--ink)}
.subj i{font-style:normal;color:var(--lilac);margin:0 .2em 0 .35em}

/* ==========================================================
   04 · КАК УЧИМ - Дано / Найти / Решение / Ответ
   ========================================================== */
.solve{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);margin-top:64px}
.it-lbl{font:italic 500 30px/1 var(--f-serif);color:var(--ink);letter-spacing:-.01em}
.given{padding:6px 36px 30px 0;border-right:1.5px solid var(--ink);align-self:start;position:sticky;top:calc(var(--hdr) + 40px)}
.given-a{padding-bottom:26px;border-bottom:1.5px solid var(--ink)}
.given-dl{margin:22px 0 0;display:grid;gap:14px}
.given-dl div{display:grid;grid-template-columns:84px 1fr;gap:12px;align-items:baseline}
.given-dl dt{font:500 10.5px/1.4 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-4)}
.given-dl dd{margin:0;font-size:17px;line-height:1.45;color:var(--ink-2)}
.given-b{padding-top:24px}
.given-find{margin-top:18px;font-size:19px;line-height:1.45;color:var(--ink);max-width:22ch}
.solution{padding:6px 0 0 44px}
.steps{position:relative;list-style:none;margin:18px 0 0;padding:0}
.step{position:relative;display:grid;grid-template-columns:44px minmax(0,1fr) auto 52px;gap:0 18px;align-items:start;padding:24px 0 22px;border-bottom:1px solid var(--rule-2)}
.step:first-child{border-top:1px solid var(--rule-2)}
.s-n{position:relative;z-index:1;display:inline-grid;place-items:center;width:34px;height:34px;margin-top:-4px;border:1.5px solid var(--ink);background:var(--paper);font:italic 500 19px/1 var(--f-serif);color:var(--ink);transition:background-color .4s,box-shadow .4s}
.step.is-on .s-n{background:var(--marker);box-shadow:0 0 0 4px rgba(255,224,74,.25),0 0 22px rgba(255,210,26,.55)}
.step h3{font:600 23px/1.2 var(--f-serif);letter-spacing:-.015em;color:var(--ink)}
.step p{margin-top:6px;font-size:16.5px;line-height:1.55;color:var(--ink-3);max-width:50ch}
.s-tag{margin-top:4px;padding:6px 9px 5px;border:1px solid var(--rule-2);font-size:10px;color:var(--ink-3);white-space:nowrap}
.tick{width:46px;height:38px;margin-top:-4px;overflow:visible}
.tick path{fill:none;stroke:var(--red);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:0}
/* разряд, который бежит по шагам при прокрутке */
.charge{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:0}
.charge path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.charge .c-base{stroke:var(--rule-2);stroke-width:1.5;stroke-dasharray:3 5}
.charge .c-glow{stroke:rgba(255,210,26,.6);stroke-width:8;filter:blur(3px)}
.charge .c-live{stroke:var(--ink);stroke-width:2}
.charge .c-spark{fill:var(--marker);stroke:var(--ink);stroke-width:1.5;transition:opacity .2s}
.answer{display:flex;align-items:center;flex-wrap:wrap;gap:18px 22px;margin-top:40px}
.cells.ans{--cw:50px;--ch:62px;--cg:4px;font-size:30px}
.cells.ans i{border-color:var(--ink);border-width:1.5px}
.ans-bolt{width:30px;height:62px;transform:rotate(10deg)}
.grade{position:relative;display:inline-grid;place-items:center;width:72px;height:72px;margin-left:auto;font:400 52px/1 var(--f-hand);color:var(--red)}
.grade .ring{inset:-4px;width:calc(100% + 8px);height:calc(100% + 8px)}

/* ==========================================================
   05 · ФОРМАТЫ - варианты ответа
   ========================================================== */
.opts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:64px}
.opt{position:relative;display:flex;flex-direction:column;padding:30px 30px 28px;background:var(--paper-hi);box-shadow:var(--sh-paper);border-radius:2px}
.opt::before{content:"";position:absolute;inset:8px;border:1px solid var(--rule);pointer-events:none}
.opt-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.opt-letter{display:grid;place-items:center;width:44px;height:44px;border:1.5px solid var(--ink);font:600 22px/1 var(--f-serif);color:var(--ink)}
.opt-box{position:relative;width:30px;height:30px;border:1.5px solid var(--ink);background:var(--paper)}
.opt-box svg{position:absolute;inset:-6px;width:42px;height:42px;overflow:visible}
.opt-box path{fill:none;stroke:var(--ink);stroke-width:2.6;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset .45s var(--ease-io)}
.opt-box path + path{transition-delay:.18s}
.opt:hover .opt-box path,.opt:focus-within .opt-box path{stroke-dashoffset:0}
.opt h3{font:600 30px/1.1 var(--f-serif);letter-spacing:-.025em}
.opt > p{margin-top:12px;font-size:16.5px;line-height:1.55;color:var(--ink-3)}
.opt ul{list-style:none;margin:22px 0 26px;padding:0;border-top:1px solid var(--rule-2)}
.opt li{display:flex;gap:12px;padding:11px 0 10px;border-bottom:1px solid var(--rule);font-size:15.5px;line-height:1.4;color:var(--ink-2)}
.opt li::before{content:"-";color:var(--lilac)}
.opt .link{margin-top:auto;align-self:flex-start}
.opt-soon{background:transparent;box-shadow:none}
.opt-soon::before{border:1.5px dashed var(--rule-2);inset:0}
.opt-soon h3,.opt-soon .opt-letter{color:var(--ink-4)}
.opt-soon .opt-letter{border-color:var(--rule-3);border-style:dashed}
.opts-note{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 14px;margin-top:28px;font-size:16px;color:var(--ink-3)}
.opts-note .pen{font-size:22px;transform:rotate(-3deg);white-space:nowrap}

/* ==========================================================
   06 · РОДИТЕЛЯМ - разворот: отчёт и кабинет
   ========================================================== */
.spread{position:relative;display:grid;grid-template-columns:1fr 1fr;margin-top:64px;background:var(--paper-hi);box-shadow:var(--sh-paper);border-radius:4px}
.spread::after{content:"";position:absolute;top:0;bottom:0;left:50%;width:90px;transform:translateX(-50%);pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(49,4,107,.05) 38%,rgba(49,4,107,.16) 49.5%,rgba(255,255,255,.6) 50.5%,rgba(49,4,107,.05) 62%,transparent)}
.pg{position:relative;padding:36px 52px 48px;min-width:0}
.pg-lined{--line:32px;background-image:linear-gradient(transparent calc(var(--line) - 1px),rgba(88,120,190,.26) calc(var(--line) - 1px),rgba(88,120,190,.26) var(--line),transparent var(--line));background-size:100% var(--line);background-position:0 20px}
.pg-lined::before{content:"";position:absolute;top:0;bottom:0;left:36px;width:1px;background:rgba(214,84,72,.55)}
.pg-grid{background-image:linear-gradient(90deg,var(--grid) 1px,transparent 1px),linear-gradient(var(--grid) 1px,transparent 1px);background-size:20px 20px;background-position:-1px -1px}
.pg-head{display:flex;justify-content:space-between;align-items:center;gap:12px;height:44px;margin-bottom:20px}
.pg-t{color:var(--ink);font-size:11px}
.pg-badge{padding:5px 8px 4px;border:1px solid var(--rule-2);font-size:9.5px;color:var(--ink-3);white-space:nowrap}
.pg-now{border-color:var(--ink);color:var(--ink);background:var(--marker)}
.rep{margin:0;display:grid}
.rep div{display:grid;grid-template-columns:118px 1fr;gap:12px;align-items:baseline;height:64px;padding-top:15px}
.rep dt{font-size:9.5px;color:var(--ink-4)}
.rep dd{margin:0;font:400 21px/1.2 var(--f-hand);color:var(--ink)}
.pen-rep{position:absolute;right:42px;bottom:64px;font-size:25px;transform:rotate(-5deg)}
.pg-foot{position:absolute;left:52px;bottom:18px;font-size:9px;color:var(--ink-4)}
.cab{display:grid;grid-template-columns:1fr 1.4fr;gap:20px}
.cab-cell{border:1px solid var(--rule-2);background:rgba(251,249,243,.86);padding:14px 16px 16px}
.cab-k{display:block;font-size:9.5px;color:var(--ink-4);margin-bottom:12px}
.cab-chart,.cab-hw{grid-column:1 / -1}
.cells.cab{--cw:34px;--ch:44px;--cg:3px;font-size:28px}
.att{display:flex;gap:5px;flex-wrap:wrap}
.att i{width:22px;height:22px;border:1px solid var(--rule-3);position:relative}
.att i.y::after{content:"";position:absolute;left:6px;top:2px;width:7px;height:12px;border:solid var(--ink);border-width:0 2px 2px 0;transform:rotate(40deg)}
.att i.late{border-color:var(--red)}
.att i.late::after{content:"оп";position:absolute;inset:0;display:grid;place-items:center;font:400 13px/1 var(--f-hand);color:var(--red)}
.cab-s{display:block;margin-top:10px;font-size:9.5px;color:var(--ink-3)}
.chart{width:100%;height:auto;overflow:visible}
.ch-grid path{stroke:var(--rule);stroke-width:1;stroke-dasharray:3 4}
.ch-ax text,.ch-x text{font-family:var(--f-mono);font-size:9px;fill:var(--ink-4);letter-spacing:.06em}
.ch-ax text{text-anchor:end}
.ch-x text{text-anchor:middle}
.ch-line{fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:0}
.ch-dots circle{fill:var(--paper-hi);stroke:var(--ink);stroke-width:1.6}
.ch-dots .last{fill:var(--marker)}
.hw{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.hw li{display:flex;align-items:center;gap:12px;font-size:15.5px;color:var(--ink-2)}
.hw i{width:16px;height:16px;border:1px solid var(--rule-3);position:relative;flex:none}
.hw .done i::after{content:"";position:absolute;left:4px;top:0;width:6px;height:11px;border:solid var(--ink);border-width:0 2px 2px 0;transform:rotate(40deg)}
.hw .done{color:var(--ink-4);text-decoration:line-through;text-decoration-color:var(--rule-2)}
.soon-stamp{position:absolute;right:40px;top:22px;transform:rotate(-8deg);color:var(--stamp);mix-blend-mode:multiply;filter:url(#ink);pointer-events:none}
.soon-stamp span{display:block;padding:9px 20px 8px;border:3px solid currentColor;box-shadow:inset 0 0 0 3px var(--paper-hi),inset 0 0 0 4.5px currentColor;font:600 30px/1 var(--f-serif);letter-spacing:.14em;text-transform:uppercase;opacity:.9}

/* ==========================================================
   07 · РЕЗУЛЬТАТЫ - бланк с обведённым 97
   ========================================================== */
.r97{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px;align-items:center;margin-top:56px}
.r97 .blank{max-width:470px;width:100%}
.r97-copy .h2{max-width:12ch}
.r97-copy .sub{max-width:36ch}
.scale{position:relative;height:44px;margin-top:48px;max-width:440px}
.scale::before{content:"";position:absolute;left:0;right:0;top:8px;height:1px;background:var(--rule-2)}
.scale span{position:absolute;left:var(--x);top:20px;transform:translateX(-50%);font:500 10px/1 var(--f-mono);color:var(--ink-4)}
.scale span::before{content:"";position:absolute;left:50%;top:-14px;width:1px;height:8px;background:var(--rule-3)}
.scale .fill{position:absolute;left:0;top:6px;height:5px;width:97%;background:var(--mk) no-repeat 0 50%/100% 100%;transform:scaleX(0);transform-origin:left;transition:transform 1.4s var(--ease)}
.scale .mark{position:absolute;left:97%;top:-2px;width:2px;height:22px;background:var(--ink);opacity:0;transition:opacity .4s 1.2s}
.scale .mark b{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);padding:3px 6px;border:1.5px solid var(--red);font:400 18px/1 var(--f-hand);color:var(--red)}
.r97.is-lit .scale .fill{transform:none}
.r97.is-lit .scale .mark{opacity:1}

.reviews{margin-top:112px}
.rev-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;padding-top:28px;border-top:1.5px solid var(--ink)}
.rev-head h3{font:600 clamp(26px,2.6vw,36px)/1.1 var(--f-serif);letter-spacing:-.025em;color:var(--ink)}
.rev-head p{margin-top:8px;color:var(--ink-3);font-size:15.5px}
.rev-nav{display:flex;gap:10px}
.round{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;border:1px solid var(--rule-2);background:var(--paper-hi);color:var(--ink);cursor:pointer;transition:background-color .25s,border-color .25s}
.round:hover{background:var(--marker);border-color:var(--ink)}
.round svg{width:20px;height:20px}
.flip{transform:scaleX(-1)}
.rev-track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(210px,248px);gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:8px 2px 18px;scrollbar-width:none}
.rev-track::-webkit-scrollbar{display:none}
.rev{position:relative;scroll-snap-align:start;aspect-ratio:9/16;padding:18px;display:flex;flex-direction:column;justify-content:flex-end;
  background:#1B1530;border:0;color:#fff;text-align:left;cursor:pointer;overflow:hidden;box-shadow:var(--sh-paper);transition:transform .4s var(--ease)}
.rev:hover{transform:translateY(-6px) rotate(-.6deg)}
.rev .reg{width:8px;height:8px;background:var(--rule-3);z-index:2}
.rev .r-tl{top:10px;left:10px}.rev .r-tr{top:10px;right:10px}.rev .r-bl{bottom:10px;left:10px}.rev .r-br{bottom:10px;right:10px}
.rev video,.rev img,.rev iframe{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
.rev::after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(180deg,transparent,rgba(12,6,26,.85));pointer-events:none}
.rev.playing::after{display:none}
.rev-play{position:absolute;z-index:2;left:50%;top:44%;transform:translate(-50%,-50%);display:grid;place-items:center;width:62px;height:62px;border-radius:50%;
  border:1.5px solid currentColor;background:rgba(255,255,255,.12);transition:background-color .3s,transform .3s var(--ease),color .3s}
.rev-play svg{width:22px;height:22px;margin-left:3px}
.rev:hover .rev-play{background:var(--marker);color:var(--ink);border-color:var(--ink);transform:translate(-50%,-50%) scale(1.06)}
.rev-meta{position:relative;z-index:2}
.rev-meta b{display:block;font:600 17px/1.2 var(--f-serif)}
.rev-meta span{font:500 10px/1.4 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;opacity:.75}
/* заглушки: бумажные карточки */
.rev-ph{cursor:default;color:var(--ink);background:var(--paper-hi) var(--noise);background-size:220px;box-shadow:none;outline:1.5px dashed var(--rule-2);outline-offset:-1.5px}
.rev-ph::after{display:none}
.rev-ph::before{content:"";position:absolute;inset:16px 16px 92px;border:1px solid var(--rule);background:repeating-linear-gradient(135deg,rgba(49,4,107,.035) 0 10px,transparent 10px 20px)}
.rev-ph:hover{transform:none}
.rev-ph .rev-play{color:var(--ink-4);background:var(--paper)}
.rev-ph:hover .rev-play{background:var(--paper);color:var(--ink-4);border-color:currentColor;transform:translate(-50%,-50%)}
.rev-ph .pen{position:relative;z-index:2;font-size:22px;color:var(--red);transform:rotate(-4deg);margin-bottom:6px}
.rev-ph .rev-meta span{color:var(--ink-4);opacity:1}

/* ==========================================================
   08 · О ШКОЛЕ + видео основателя
   ========================================================== */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:64px;align-items:start}
.about .h2{max-width:12ch}
.about-p{margin-top:24px;font-size:19px;line-height:1.6;color:var(--ink-3);max-width:44ch}
.about-p + .about-p{margin-top:16px}
.about-p b{color:var(--ink);font-weight:600}
.word{display:flex;align-items:center;flex-wrap:wrap;gap:10px 12px;margin-top:36px}
.word .cells{--cw:30px;--ch:38px;--cg:2px;font:600 21px/1 var(--f-serif)}
.word .cells i.hl{background:var(--marker)}
.word .op{font:500 14px var(--f-mono);color:var(--ink-4)}
.photo{position:relative;padding:18px 18px 64px;background:var(--paper-hi);box-shadow:var(--sh-paper);transform:rotate(-1.6deg);border-radius:2px}
.frame{position:relative;aspect-ratio:16/10;overflow:hidden;display:grid;place-items:center;
  background:radial-gradient(60% 70% at 70% 20%,rgba(146,113,184,.22),transparent 70%),linear-gradient(160deg,#F1ECF8,#E3DAF0);color:var(--ink)}
.frame video,.frame iframe,.frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
.frame-rays{position:absolute;inset:-30%;background:repeating-conic-gradient(from 0deg,rgba(146,113,184,.14) 0 3deg,transparent 3deg 30deg);animation:spin 120s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.frame-in{position:relative;z-index:1;display:grid;justify-items:center;gap:14px;text-align:center;padding:20px}
.frame-btn{display:grid;place-items:center;width:84px;height:84px;border-radius:50%;border:0;cursor:pointer;
  background:var(--marker);color:var(--ink);box-shadow:0 0 0 12px rgba(255,224,74,.14),0 0 0 26px rgba(255,224,74,.06)}
.frame-btn svg{width:30px;height:30px;margin-left:4px}
.frame-btn:disabled{cursor:default;background:var(--paper-hi);color:var(--ink);box-shadow:0 0 0 12px rgba(49,4,107,.06),0 0 0 26px rgba(49,4,107,.03)}
.frame-in .mono{font-size:10px;color:var(--ink-3)}
.photo-cap{position:absolute;left:22px;right:22px;bottom:16px;display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.photo-cap .pen{font-size:23px;color:var(--ink);transform:rotate(-1.5deg)}
.photo-cap .mono{font-size:9.5px;color:var(--ink-4)}

/* ==========================================================
   09 · ПОДБОР - бланк ответов № 2
   ========================================================== */
.quiz{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:64px;align-items:start}
.quiz-aside{position:sticky;top:calc(var(--hdr) + 40px)}
.qprog{display:flex;gap:6px;margin-top:36px}
.qprog i{display:grid;place-items:center;width:44px;height:52px;border:1.5px solid var(--rule-2);background:var(--paper-hi);font:400 28px/1 var(--f-hand);color:var(--ink);font-style:normal;transition:background-color .3s,border-color .3s}
.qprog i.on{border-color:var(--ink)}
.qprog i.cur{background:var(--marker);border-color:var(--ink)}
.qcount{margin-top:14px;font-size:10.5px;color:var(--ink-4)}
.sheet{position:relative;padding:40px 40px 32px;background:var(--paper-hi) var(--noise);background-size:220px;box-shadow:var(--sh-paper);border-radius:2px;min-height:540px;display:flex;flex-direction:column}
.sheet::before{content:"";position:absolute;inset:10px;border:1px solid var(--rule);pointer-events:none}
.sheet-head{display:flex;align-items:center;gap:16px;padding:0 0 16px;border-bottom:1.5px solid var(--ink);margin-bottom:28px}
.sheet-head .barcode{width:92px;height:26px;flex:none}
.sheet-head b{font-size:11.5px;color:var(--black);font-weight:500}
.sheet-head span{margin-left:auto;font-size:9.5px;color:var(--ink-4)}
.qstep{display:none;border:0;margin:0;padding:0;min-width:0}
.qstep.on{display:block;animation:qin .45s var(--ease)}
@keyframes qin{from{opacity:0;transform:translateX(14px)}}
.qstep legend{display:block;padding:0;margin-bottom:24px;font:600 clamp(24px,2.3vw,30px)/1.2 var(--f-serif);letter-spacing:-.02em;color:var(--ink)}
.qstep legend .mono{display:block;margin-bottom:10px;font-size:10px;color:var(--ink-4)}
.qstep legend small{display:block;margin-top:8px;font:500 10px/1.4 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-4)}
.qopts{display:grid;grid-template-columns:1fr 1fr;gap:0 28px;border-top:1px solid var(--rule-2)}
.qopt{position:relative;display:flex;align-items:center;gap:14px;padding:14px 6px 13px;border-bottom:1px solid var(--rule);cursor:pointer;font-size:17.5px;line-height:1.35;color:var(--ink-2);transition:background-color .2s}
.qopt[hidden]{display:none}
.qopt:hover{background:rgba(255,224,74,.16)}
.qopt input{position:absolute;opacity:0;width:1px;height:1px;margin:0;pointer-events:none}
.qbox{position:relative;flex:none;width:26px;height:26px;border:1.5px solid var(--ink);background:var(--paper)}
.qbox svg{position:absolute;inset:-5px;width:36px;height:36px;overflow:visible}
.qbox path{fill:none;stroke:var(--ink);stroke-width:2.6;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset .3s var(--ease-io)}
.qbox path + path{transition-delay:.12s}
.qopt input:checked ~ .qbox path{stroke-dashoffset:0}
.qopt input:checked ~ .qt{color:var(--ink);font-weight:600}
.qopt input:focus-visible ~ .qbox{outline:2px solid var(--red);outline-offset:3px}
.qnav{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:auto;padding-top:32px}
.qnav[hidden]{display:none}
.qback[hidden]{display:inline-flex;visibility:hidden}
.qdone.on{display:flex;flex-direction:column;align-items:flex-start;gap:20px}
.qdone h3{font:600 clamp(26px,2.6vw,34px)/1.15 var(--f-serif);letter-spacing:-.025em}
.qsum{margin:0;display:grid;width:100%;border-top:1px solid var(--rule-2)}
.qsum div{display:grid;grid-template-columns:110px 1fr;gap:12px;align-items:baseline;padding:12px 0 11px;border-bottom:1px solid var(--rule)}
.qsum dt{font:500 9.5px/1.4 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-4)}
.qsum dd{margin:0;font:400 21px/1.25 var(--f-hand);color:var(--ink)}
.qdone-note{font-size:15.5px;color:var(--ink-3);max-width:46ch}
.qrestart{font:500 11px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-4);background:none;border:0;padding:8px 0;cursor:pointer;text-decoration:underline;text-underline-offset:4px}
.qrestart:hover{color:var(--ink)}

/* ==========================================================
   10 · ВОПРОСЫ НА ПОЛЯХ
   ========================================================== */
.faq{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:64px;align-items:start}
.faq-aside{position:sticky;top:calc(var(--hdr) + 40px)}
.faq-aside .btn{margin-top:32px}
.qa-list{border-top:1.5px solid var(--ink)}
.qa{border-bottom:1px solid var(--rule-2)}
.qa summary{display:grid;grid-template-columns:minmax(0,1fr) 40px;gap:20px;align-items:center;padding:22px 0;cursor:pointer;list-style:none;
  font:600 21px/1.3 var(--f-serif);letter-spacing:-.015em;color:var(--ink)}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover .q-t{background-size:100% 62%}
.q-t{background:var(--mk) no-repeat 0 82%/0% 62%;-webkit-box-decoration-break:clone;box-decoration-break:clone;transition:background-size .5s var(--ease);padding:0 .06em;margin:0 -.06em}
.q-ic{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--rule-3);transition:background-color .3s,color .3s}
.q-ic svg{width:18px;height:18px;transition:transform .4s var(--ease)}
.qa[open] .q-ic{background:var(--ink);color:var(--paper-hi)}
.qa[open] .q-ic svg{transform:rotate(45deg)}
.qa-body{padding:0 60px 26px 0;font-size:17px;line-height:1.6;color:var(--ink-3)}

/* ==========================================================
   11 · ТАЛОН + подвал
   ========================================================== */
.sec-cta{padding-bottom:136px}
.talon{position:relative;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr) 230px;background:var(--paper-hi) var(--noise);background-size:220px;box-shadow:var(--sh-paper);border-radius:4px;color:var(--ink-2)}
.talon-main{padding:52px 40px 56px 56px}
.talon-q{padding:52px 40px 48px 0;position:relative}
.talon-q ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule-2)}
.talon-q li{display:flex;gap:14px;align-items:flex-start;padding:13px 0 12px;border-bottom:1px solid var(--rule);font-size:16px;line-height:1.4;color:var(--ink-2)}
.talon-q li i{flex:none;width:18px;height:18px;margin-top:2px;border:1px solid var(--rule-3);background:var(--paper)}
.talon-k{color:var(--ink-4);font-size:10.5px;margin-bottom:22px}
.talon .h2{max-width:12ch;font-size:clamp(36px,4.2vw,60px);color:var(--ink)}
.talon-p{max-width:46ch;margin:22px 0 34px;font-size:18px;line-height:1.55;color:var(--ink-3)}
.talon-stub{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:52px 28px 40px 36px;border-left:2px dashed var(--rule-2)}
.talon::before,.talon::after{content:"";position:absolute;right:230px;width:28px;height:28px;margin-right:-15px;border-radius:50%;background:var(--paper);box-shadow:inset 0 0 0 1px var(--rule)}
.talon::before{top:-14px}.talon::after{bottom:-14px}
.scissors{position:absolute;left:-14px;top:40px;width:26px;height:26px;padding:2px;color:var(--ink-3);background:var(--paper-hi);transform:rotate(90deg)}
.stub-k{font-size:10px;color:var(--ink-4)}
.stub-n{font:600 30px/1 var(--f-serif);color:var(--ink);letter-spacing:-.02em}
.talon-stub .barcode{width:150px;height:36px;margin-top:8px}
.stamp-stub{width:150px;height:150px;margin-top:18px;transform:rotate(-12deg)}

.cover{position:relative;z-index:1;background:var(--paper-lo) var(--noise);background-size:220px;color:var(--ink-3);overflow:hidden;border-top:1.5px solid var(--ink)}
.cover-in{position:relative;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.8fr) minmax(0,.9fr) minmax(0,1.1fr);gap:40px 48px;align-items:start;padding:72px 0 36px}
.cover-brand{display:flex;align-items:center;gap:18px}
.cover-seal{width:84px;height:84px;color:var(--stamp);filter:url(#ink)}
.cover-brand p{font-size:15px;line-height:1.45}
.cover-brand b{font:700 24px/1 var(--f-serif);color:var(--ink);letter-spacing:-.02em}
.cover-motto{margin-top:32px;font:italic 500 clamp(26px,2.6vw,36px)/1.15 var(--f-serif);color:var(--ink);letter-spacing:-.02em;max-width:16ch}
.cover-fine{grid-column:1 / -1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;margin-top:16px;padding-top:24px;border-top:1px solid var(--rule-2);font-size:10px;color:var(--ink-4)}

/* липкая кнопка на телефоне */
.sticky{position:fixed;left:16px;right:16px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:75;display:none;
  transform:translateY(160%);transition:transform .45s var(--ease)}
.sticky.show{transform:none}
.sticky .btn{width:100%;box-shadow:0 18px 40px -12px rgba(7,5,14,.6),0 0 0 1px rgba(49,4,107,.2)}

/* ==========================================================
   ДВИЖЕНИЕ - только осмысленное: маркер, чернила, ручка, штамп, молния
   ========================================================== */
@media (prefers-reduced-motion:no-preference){
  .hero .mk{animation:mk .8s var(--ease-io) .25s both}
  .h1 .bolt{animation:boltIn .6s cubic-bezier(.3,1.8,.5,1) 1s both}
  /* бланк в «Результатах» заполняется, когда до него доскроллили */
  .js .r97:not(.is-lit) .blank .cells.hand b,.js .r97:not(.is-lit) .blank .ring path,.js .r97:not(.is-lit) .pen-97,.js .r97:not(.is-lit) .blank .stamp{visibility:hidden}
  .r97.is-lit .blank .cells.hand b{animation:write .26s var(--ease) both;animation-delay:calc(.2s + var(--i) * 22ms)}
  .r97.is-lit .blank .ring path{animation:draw .7s var(--ease-io) 1.6s both}
  .r97.is-lit .pen-97{animation:pen .4s var(--ease) 2s both}
  .r97.is-lit .blank .stamp{animation:stamp .55s cubic-bezier(.3,1.5,.55,1) 1.1s both}

  .js .rv .mk{background-size:0% 66%;transition:background-size .9s var(--ease-io) .2s}
  .js .rv.in .mk{background-size:100% 66%}
  .js .stats .cells b,.js .answer .cells b,.js .cab .cells b,.js .word .cells b{clip-path:inset(0 100% 0 0);transition:clip-path .3s var(--ease);transition-delay:calc(.15s + var(--i) * 70ms)}
  .js .stats.in .cells b,.js .answer.in .cells b,.js .spread.in .cab .cells b,.js .word.in .cells b{clip-path:inset(0 0 0 0)}
  .js .step .tick path,.js .rv .ch-line,.js .answer .ring path{stroke-dashoffset:1;transition:stroke-dashoffset .8s var(--ease-io)}
  .js .step.is-on .tick path{stroke-dashoffset:0;transition-delay:.15s}
  .js .answer.in .ring path{stroke-dashoffset:0;transition-delay:1s}
  .js .spread.in .ch-line{stroke-dashoffset:0;transition:stroke-dashoffset 1.4s var(--ease-io) .4s}
  .js .rv .ans-bolt{transform:rotate(10deg) scale(0);transition:transform .5s cubic-bezier(.3,1.8,.5,1) .75s}
  .js .answer.in .ans-bolt{transform:rotate(10deg) scale(1)}
  .js .rv .grade{opacity:0;transition:opacity .3s .9s}
  .js .answer.in .grade{opacity:1}
  .js .rv .soon-stamp{opacity:0;transform:rotate(-4deg) scale(1.4);transition:opacity .25s .9s,transform .5s cubic-bezier(.3,1.5,.55,1) .9s}
  .js .spread.in .soon-stamp{opacity:1;transform:rotate(-8deg) scale(1)}
  .js .opt.rv{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0s)}
  .js .opt.rv.in{opacity:1;transform:none}
}
@keyframes mk{from{background-size:0% 66%}}
@keyframes write{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes draw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
@keyframes boltIn{from{transform:rotate(-30deg) scale(0);opacity:0}to{transform:rotate(12deg) scale(1);opacity:1}}
@keyframes pen{from{opacity:0;transform:rotate(-7deg) translateY(6px)}to{opacity:1;transform:rotate(-7deg)}}
@keyframes stamp{0%{opacity:0;transform:rotate(-6deg) scale(1.5)}55%{opacity:.95}100%{opacity:.86;transform:rotate(-16deg) scale(1)}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .frame-rays{animation:none}
  .qstep.on{animation:none}
}

/* ==========================================================
   АДАПТИВ
   ========================================================== */
@media (max-width:1180px){
  .blank{padding:34px 28px 28px}
  .b-rows .cells{--cw:20px;--ch:26px;font-size:17px}
  .nav{gap:20px}
  .logo-tag{display:none}
}
@media (max-width:1080px){
  :root{--mcol:88px}
  .nav{display:none}
  .burger{display:block}
  .hdr-in{gap:14px}
  .hero-grid{grid-template-columns:1fr;gap:8px}
  .blank{max-width:470px;justify-self:center;width:100%}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--rule-2)}
  .opts{grid-template-columns:1fr;max-width:620px}
  .r97{grid-template-columns:1fr;gap:48px}
  .r97 .blank{justify-self:start}
  .cover-in{grid-template-columns:1fr 1fr}
  .cover-l,.cover-contact,.cover-word{grid-column:1/-1}
  .about{grid-template-columns:1fr;gap:56px}
  .photo{max-width:620px}
}
@media (max-width:860px){
  .head2{grid-template-columns:1fr;gap:20px}
  .solve{grid-template-columns:1fr}
  .given{position:static;border-right:0;padding-right:0;display:grid;grid-template-columns:1fr 1fr;gap:0 28px;border-bottom:1.5px solid var(--ink);padding-bottom:28px}
  .given-a{border-bottom:0;padding-bottom:0;padding-right:28px;border-right:1.5px solid var(--ink)}
  .given-b{padding-top:6px}
  .solution{padding:36px 0 0}
  .spread{grid-template-columns:1fr}
  .spread::after{display:none}
  .pg + .pg{border-top:1px dashed var(--rule-2)}
  .quiz,.faq{grid-template-columns:1fr;gap:40px}
  .quiz-aside,.faq-aside{position:static}
  .talon{grid-template-columns:1fr}
  .talon-q{padding:0 32px 36px}
  .talon-stub{border-left:0;border-top:2px dashed var(--rule-2);flex-direction:row;flex-wrap:wrap;align-items:center;padding:28px 32px 32px}
  .talon::before,.talon::after{display:none}
  .stamp-stub{margin:0 0 0 auto;width:110px;height:110px}
  .scissors{left:28px;top:-12px;transform:none}
  .sticky{display:block}
  .cover{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
}
@media (max-width:760px){
  :root{--mcol:0px;--side:20px;--hdr:64px}
  body{font-size:16.5px}
  .page{grid-template-columns:minmax(0,1fr)}
  .mcol,.ccol{grid-column:1}
  .mcol{display:block;margin-bottom:18px}
  .hero .mcol{display:none}
  .task{flex-direction:row;align-items:center;gap:10px}
  .task-n{width:34px;height:34px;font-size:15px}
  .logo-word{font-size:23px}
  .logo-mark{width:36px;height:36px}
  .hdr .btn-sm span{display:none}
  .hdr .btn-sm{padding:0 14px}
  .sec{padding-top:96px}
  .kicker{margin-bottom:22px}
  .kicker .k-r{display:none}
  .h2{font-size:clamp(34px,10vw,44px);letter-spacing:-.03em}
  .sub{font-size:17px}

  .hero{min-height:0}
  .hero-in{padding:32px 0 40px}
  .hero .stage{height:360px;margin-top:8px}
  .eyebrow{margin-bottom:26px;gap:10px 14px}
  .eyebrow > .mono{border-right:0;padding-right:0;width:100%}
  .h1{font-size:clamp(42px,13.6vw,64px);line-height:1}
  .lead{font-size:18px;margin-top:24px}
  .cta-row{margin-top:30px;gap:16px}
  .cta-row .btn{width:100%}
  .cta-row .link{margin:0 auto}
  .note{justify-content:center}
  .blank{padding:30px 18px 24px;transform:rotate(.8deg)}
  .b-head{grid-template-columns:auto 1fr;padding-left:8px}
  .b-head .barcode{width:76px;height:26px}
  .b-sheet{display:none}
  .b-rows{padding-left:8px}
  .b-rows li{grid-template-columns:16px 1fr}
  .b-rows .cells{--cw:17px;--ch:23px;--cg:2px;font-size:15px}
  .b-score{padding-left:8px}
  .cells.xl{--cw:46px;--ch:58px;font-size:42px}
  .pen-97{font-size:23px;left:112px;top:50px}
  .blank .stamp{width:94px;height:94px;right:10px;bottom:12px}

  .stats{margin-top:40px}
  .stat{padding:20px 0 24px 16px}
  .stat:nth-child(odd){padding-left:0}
  .stat:nth-child(even){border-left:1px solid var(--rule-2)}
  .cells.st{--cw:44px;--ch:58px;--cg:3px;font-size:40px}
  .s-cap{flex-direction:column;gap:4px;margin-bottom:18px}
  .stat p{font-size:14.5px;margin-top:16px}

  .toc{margin-top:40px}
  .toc-row{grid-template-columns:52px minmax(0,1fr);padding:22px 0}
  .toc-n span{width:38px;height:38px;font-size:15px}
  .toc-go{display:none}
  .toc-line{flex-wrap:wrap;gap:6px 12px}
  .toc-dots{display:none}
  .toc-meta{flex-basis:100%;order:-1;font-size:10px}
  .toc-t{font-size:25px}
  .toc-d{font-size:15.5px}
  .subj{grid-template-columns:1fr;gap:12px}
  .subj p{font-size:17px}

  .solve{margin-top:40px}
  .given{grid-template-columns:1fr;gap:0}
  .given-a{border-right:0;padding-right:0;padding-bottom:22px;border-bottom:1.5px solid var(--ink)}
  .given-b{padding-top:20px}
  .it-lbl{font-size:26px}
  .step{grid-template-columns:34px minmax(0,1fr) 40px;gap:0 12px;padding:20px 0}
  .s-n{width:30px;height:30px;font-size:16px}
  .s-tag{grid-column:2;grid-row:2;justify-self:start;margin-top:12px}
  .tick{grid-column:3;grid-row:1;width:36px;height:30px}
  .step h3{font-size:20px}
  .answer{gap:14px}
  .answer .it-lbl{order:-2}
  .answer .grade{order:-1;margin-left:auto}
  .cells.ans{--cw:38px;--ch:48px;--cg:3px;font-size:30px}
  .ans-bolt{width:22px;height:46px}
  .grade{width:56px;height:56px;font-size:40px}

  .opts{margin-top:40px}
  .opt{padding:26px 22px 24px}
  .opt h3{font-size:26px}

  .spread{margin-top:40px}
  .pg{padding:28px 20px 48px 22px}
  .pg-lined{padding-left:44px}
  .pg-lined::before{left:30px}
  .rep div{grid-template-columns:1fr;gap:2px;height:64px;padding-top:6px}
  .rep dd{font-size:19px}
  .pen-rep{position:static;margin-top:8px;font-size:22px}
  .pg-foot{left:22px}
  .pg-lined .pg-foot{left:44px}
  .cab{grid-template-columns:1fr;gap:14px}
  .soon-stamp{right:14px;top:70px}
  .soon-stamp span{font-size:24px;padding:8px 14px 7px}

  .r97{margin-top:36px}
  .reviews{margin-top:80px}
  .rev-head{flex-direction:column;align-items:flex-start}
  .rev-nav{display:none}
  .rev-track{grid-auto-columns:62%}

  .photo{padding:12px 12px 56px}

  .sheet{padding:30px 20px 24px;min-height:0}
  .sheet-head span{display:none}
  .qopts{grid-template-columns:1fr}
  .qopt{font-size:17px}
  .qprog i{width:38px;height:46px;font-size:24px}
  .qsum div{grid-template-columns:1fr;gap:2px}
  .qnav .btn{padding:0 20px 0 18px}

  .qa summary{font-size:19px;gap:14px;grid-template-columns:minmax(0,1fr) 36px}
  .q-ic{width:36px;height:36px}
  .qa-body{padding-right:0;font-size:16px}

  .sec-cta{padding-bottom:96px}
  .talon-main{padding:36px 22px 30px}
  .talon-q{padding:0 22px 30px}
  .talon-stub{padding:24px 22px 28px}
  .talon .btn{width:100%}
  .cover-in{padding-top:48px}
}
@media (max-width:380px){
  .b-rows .cells{--cw:15px;--ch:21px;font-size:13.5px}
  .cells.st{--cw:40px;--ch:54px;font-size:36px}
  .cells.xl{--cw:42px;--ch:54px;font-size:38px}
}

/* ==========================================================
   ЖИВАЯ ПЛАТФОРМА: бенто-плитки, 3D-знак (из концепции «бенто»)
   ========================================================== */
@font-face{font-family:"Onest";src:url(../fonts/onest-cyrillic.woff2) format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Onest";src:url(../fonts/onest-latin.woff2) format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{
  --f-ui:"Onest",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --tile:#FFFFFF;
  --line:rgba(23,13,43,.085);
  --line-2:rgba(23,13,43,.14);
  --ok:#119657;--ok-100:#E2F4EA;--err:#D23B3B;--err-100:#FBE7E7;
  --spring:cubic-bezier(.34,1.5,.64,1);
  --sh-tile:0 1px 0 rgba(255,255,255,.9) inset,0 1px 2px rgba(23,13,43,.05),0 22px 44px -22px rgba(23,13,43,.22);
}

.steps-wrap{position:relative;margin-top:18px}
.steps-wrap .steps{margin-top:0}

.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px;margin-top:64px}
.tile{position:relative;display:flex;flex-direction:column;background:var(--tile);border-radius:24px;box-shadow:var(--sh-tile);isolation:isolate;overflow:hidden;font-family:var(--f-ui)}
.tile::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:4;box-shadow:inset 0 0 0 1px var(--line)}
.tile::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:4;padding:1px;opacity:0;transition:opacity .4s;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(107,63,176,.6),transparent 60%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}
.tile:hover::after{opacity:1}
.tile-head{position:relative;z-index:2;padding:28px 28px 0}
.tile-head h3{font:620 22px/1.18 var(--f-ui);letter-spacing:-.03em;color:#170D2B}
.tile-head p{margin-top:8px;font-size:15px;line-height:1.5;color:#4A4358;max-width:32em;text-wrap:pretty}
.tile-foot{position:relative;z-index:2;display:flex;justify-content:space-between;gap:16px;margin-top:auto;padding:14px 28px;border-top:1px solid var(--line);
  font:500 10px/1.3 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:#857E91}
.tile-foot span:last-child{text-align:right}

.t-task{grid-column:1/8;grid-row:1}
.t-phone{grid-column:8/13;grid-row:1/3;background:linear-gradient(180deg,#fff 0%,#F7F4FB 100%)}
.t-paper{grid-column:1/8;grid-row:2;background:var(--paper-hi) var(--noise);background-size:220px;font-family:var(--f-serif)}
.t-cab{grid-column:1/13;grid-row:3;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);grid-template-rows:1fr auto}

/* --- задача ФИПИ --- */
.tsheet{position:relative;margin:22px 28px 28px;border-radius:16px;overflow:hidden;background:#FFFEFB;border:1px solid var(--line-2);box-shadow:0 1px 0 #fff,0 10px 24px -18px rgba(23,13,43,.3)}
.tbar{display:flex;align-items:center;gap:12px;height:52px;padding:0 10px 0 16px;background:#fff;border-bottom:1px solid var(--line)}
.tchip{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:7px;background:#170D2B;color:#fff;font-size:12.5px;font-weight:600;white-space:nowrap}
.texam{font-size:13.5px;color:#4A4358;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tpager{display:flex;align-items:center;gap:4px;margin-left:auto;font:500 12px var(--f-mono);color:#857E91;white-space:nowrap;flex:none}
.tpg{display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:8px;background:none;color:#4A4358;cursor:pointer;transition:background-color .2s}
.tpg:hover{background:var(--paper)}
.tpg svg{width:14px;height:14px}
.tbody{position:relative;padding:30px 30px 28px 72px;min-height:270px;
  background-image:linear-gradient(rgba(64,128,214,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(64,128,214,.15) 1px,transparent 1px);background-size:20px 20px;background-position:-1px -1px}
.tbody::before{content:"";position:absolute;left:54px;top:0;bottom:0;width:1.5px;background:rgba(222,70,70,.55)}
.tq{font-family:var(--f-serif);font-size:22px;line-height:1.45;color:#1B1530;max-width:24em;min-height:2.9em;transition:opacity .3s,transform .3s var(--ease)}
.tq .math{white-space:nowrap}
.tq sub{font-size:.62em;vertical-align:-.35em;line-height:0}
.tq sup{font-size:.62em;vertical-align:.7em;line-height:0}
.t-task.swap .tq{opacity:0;transform:translateY(6px)}
.tans{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:24px}
.tans-lbl{font-family:var(--f-serif);font-size:20px;color:#1B1530}
.tcells{position:relative;display:flex;background:#fff;box-shadow:0 2px 6px -3px rgba(23,13,43,.12)}
.tcell{position:relative;display:grid;place-items:center;width:38px;height:46px;margin-left:-1.5px;border:1.5px solid #3B3352;font:500 23px var(--f-mono);color:#1F3FA8;transition:border-color .3s,background-color .3s}
.tcell:first-child{margin-left:0;border-radius:6px 0 0 6px}
.tcell:nth-child(6){border-radius:0 6px 6px 0}
.tcell.caret::after{content:"";position:absolute;left:50%;top:11px;bottom:11px;width:2px;margin-left:-1px;background:#6B3FB0;animation:caret 1s steps(1) infinite}
@keyframes caret{50%{opacity:0}}
.tinput{position:absolute;inset:0;width:100%;height:100%;opacity:0;font-size:16px;border:0;cursor:text;color:transparent;background:transparent;caret-color:transparent}
.tcells.focus{box-shadow:0 0 0 4px rgba(107,63,176,.18),0 2px 6px -3px rgba(23,13,43,.12);border-radius:7px}
.tcheck{height:44px;padding:0 18px;border:0;border-radius:10px;background:var(--ink);color:#fff;font:600 14.5px var(--f-ui);cursor:pointer;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16),0 10px 24px -12px rgba(49,4,107,.65);transition:transform .15s,background-color .2s}
.tcheck:hover{background:#3D0D80}
.tcheck.press,.tcheck:active{transform:translateY(1px) scale(.97)}
.t-task.ok .tcell{border-color:var(--ok);background:var(--ok-100);color:var(--ok);z-index:1}
.t-task.err .tcell{border-color:var(--err);background:var(--err-100);z-index:1}
.t-task.err .tcells{animation:shake .42s var(--ease)}
@keyframes shake{20%{transform:translateX(-6px)}40%{transform:translateX(5px)}60%{transform:translateX(-3px)}80%{transform:translateX(2px)}}
.fb{display:flex;align-items:center;gap:12px;margin-top:22px;min-height:30px;font-size:14.5px;line-height:1.4;color:#857E91}
.fb-tick{width:28px;height:28px;flex:none;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:0;transition:opacity .2s}
.fb-tick circle{stroke:var(--ok);stroke-dasharray:80;stroke-dashoffset:80}
.fb-tick path{stroke:var(--ok);stroke-dasharray:20;stroke-dashoffset:20}
.t-task.ok .fb{color:var(--ok)}
.t-task.ok .fb-tick{opacity:1}
.t-task.ok .fb-tick circle{stroke-dashoffset:0;transition:stroke-dashoffset .5s var(--ease)}
.t-task.ok .fb-tick path{stroke-dashoffset:0;transition:stroke-dashoffset .35s .35s var(--ease)}
.t-task.err .fb{color:var(--err)}
.fb-t b{font-weight:600}
.fb-t .sol{display:block;margin-top:2px;color:#4A4358;font-family:var(--f-serif);font-size:16px}

/* --- телефон родителя --- */
.t-phone .tile-head{padding-right:96px}
.tbadge{position:absolute;top:28px;right:28px;z-index:3;display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:999px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line);
  font:500 10px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:#857E91}
.phone{position:relative;flex:none;width:300px;height:560px;margin:30px auto -60px;border-radius:52px;padding:11px;
  background:linear-gradient(145deg,#2E2640,#0E0A16 40%,#1A1426);
  box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.12),inset 0 0 0 5px #0B0812,0 30px 60px -24px rgba(23,13,43,.5),0 12px 24px -12px rgba(23,13,43,.35)}
.phone::before{content:"";position:absolute;left:50%;top:22px;z-index:3;width:92px;height:26px;margin-left:-46px;border-radius:20px;background:#07050C}
.phone-screen{position:relative;height:100%;border-radius:42px;overflow:hidden;background:radial-gradient(120% 70% at 50% 25%,#FFFFFF 0%,#EEE7F8 50%,#DCD0EE 100%)}
.phone-wall{position:absolute;inset:0;width:100%;height:100%;opacity:.38}
.phone-date{position:relative;padding-top:62px;text-align:center;font-size:13px;color:#4A4358}
.phone-time{position:relative;margin-top:2px;text-align:center;font-size:72px;line-height:1;letter-spacing:-.04em;font-weight:500;color:#31046B}
.stack{position:absolute;left:10px;right:10px;top:178px}
.pnote{position:absolute;left:0;right:0;top:0;display:grid;grid-template-columns:30px 1fr;column-gap:10px;padding:12px 13px 13px;border-radius:20px;
  background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(18px) saturate(1.6);backdrop-filter:blur(18px) saturate(1.6);box-shadow:0 10px 24px -10px rgba(49,4,107,.35),inset 0 0 0 1px rgba(49,4,107,.06);color:#140B26;
  transform:translateY(calc(var(--k,0) * 14px)) scale(calc(1 - var(--k,0) * .05));transform-origin:50% 100%;opacity:calc(1 - var(--k,0) * .35);
  transition:transform .6s var(--spring),opacity .5s var(--ease)}
.pnote[data-k="0"]{z-index:3}.pnote[data-k="1"]{z-index:2}.pnote[data-k="2"]{z-index:1}
.pnote:not(.is-in){transform:translateY(-34px) scale(.92);opacity:0}
.pnote > *{transition:opacity .3s}
.pnote:not([data-k="0"]) > *{opacity:0}
.pnote-app{grid-row:1/4;width:30px;height:30px;border-radius:8px;overflow:hidden}
.pnote-app svg{width:100%;height:100%}
.pnote-meta{display:flex;justify-content:space-between;font-size:11.5px;color:rgba(20,11,38,.55)}
.pnote-meta b{font-weight:600;color:rgba(20,11,38,.75);text-transform:uppercase;letter-spacing:.04em;font-size:10.5px}
.pnote-title{margin-top:1px;font-size:13.5px;font-weight:620;letter-spacing:-.01em}
.pnote-text{margin-top:2px;font-size:12.5px;line-height:1.38;color:rgba(20,11,38,.82)}

/* --- тетрадь: разбор ошибок --- */
.t-paper .tile-head h3{font:600 23px/1.2 var(--f-serif);letter-spacing:-.02em;color:var(--ink);max-width:22ch}
.t-paper .tile-head p{font-family:var(--f-serif);font-size:15.5px;color:var(--ink-3)}
.nb{position:relative;margin:22px 28px 26px;padding:6px 0 6px 52px;
  background-image:linear-gradient(transparent 39px,rgba(88,120,190,.28) 39px,rgba(88,120,190,.28) 40px,transparent 40px);background-size:100% 40px}
.nb::before{content:"";position:absolute;left:36px;top:0;bottom:0;width:1px;background:rgba(214,84,72,.55)}
.nb-l{display:flex;align-items:baseline;gap:14px;height:40px;padding-top:6px;font:400 25px/1.2 var(--f-hand);color:var(--ink)}
.nb-l sub{font-size:.6em}
.nb-n{width:20px;margin-left:-44px;color:var(--ink-3)}
.nb-l s{text-decoration-color:var(--red);text-decoration-thickness:2px}
.nb-pen{font-size:21px;transform:rotate(-4deg) translateY(-2px)}
.nb-tick{width:38px;height:30px;overflow:visible;margin-left:6px;transform:translateY(4px)}
.nb-tick path{fill:none;stroke:var(--red);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:0}
.nb-grade{position:absolute;right:8px;top:30px;display:grid;place-items:center;width:64px;height:64px;font-size:46px}
.nb-grade .ring{inset:-4px;width:calc(100% + 8px);height:calc(100% + 8px)}

/* --- кабинет родителя: светлая плитка, скоро --- */
.t-cab{background:linear-gradient(180deg,#fff,#FAF8FD)}
.t-cab .tile-head h3{font-family:var(--f-serif);font-weight:600;font-size:28px;letter-spacing:-.025em;color:var(--ink)}
.cab-copy{position:relative;grid-row:1;padding-bottom:28px}
.soon-seal{display:inline-block;margin:30px 0 0 28px;transform:rotate(-6deg);color:var(--stamp);mix-blend-mode:multiply}
.soon-seal span{display:block;padding:9px 20px 8px;border:3px solid currentColor;box-shadow:inset 0 0 0 3px #fff,inset 0 0 0 4.5px currentColor;
  font:600 28px/1 var(--f-serif);letter-spacing:.14em;text-transform:uppercase;filter:url(#ink)}
.cab-note{margin:22px 28px 0;font-size:10px;color:var(--ink-4)}
.cab-ui{grid-row:1;display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:28px 28px 28px 0}
.cab-row{grid-column:1/-1;display:grid;grid-template-columns:1fr 1.3fr;gap:12px}
.cab-box{position:relative;padding:14px 16px;border-radius:14px;background:#F6F3FB;box-shadow:inset 0 0 0 1px var(--line)}
.cab-k{display:block;margin-bottom:10px;font:500 9.5px/1.3 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:#857E91}
.cab-box b{font-size:28px;line-height:1;letter-spacing:-.04em;font-weight:600;color:#170D2B}
.cab-box b small{font-size:13px;color:#857E91;letter-spacing:0;font-weight:500}
.seg8{display:flex;gap:3px;margin-top:12px}
.seg8 i{flex:1;height:5px;border-radius:2px;background:#E4DDF0}
.seg8 i.on{background:var(--ink)}
.att2{display:flex;gap:5px}
.att2 i{position:relative;width:22px;height:22px;border-radius:5px;box-shadow:inset 0 0 0 1px rgba(49,4,107,.22)}
.att2 i.y{background:#CDBFE4}
.att2 i.late{background:var(--marker);box-shadow:inset 0 0 0 1px rgba(49,4,107,.3)}
.cab-s{display:block;margin-top:10px;font-size:12px;color:#857E91}
.cab-chart{grid-column:1/2;padding-bottom:30px}
.cab-chart svg{width:100%;height:120px;overflow:visible}
.cg path{stroke:var(--line-2);stroke-width:1;vector-effect:non-scaling-stroke;stroke-dasharray:2 4}
.c-line{fill:none;stroke:var(--ink);stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke;stroke-dasharray:1;stroke-dashoffset:0;transition:stroke-dashoffset 1.8s var(--ease)}
.c-area{transition:opacity 1s .8s}
.c-pt{position:absolute;right:calc(16px + 1.4%);top:calc(14px + 25px + 21%);width:12px;height:12px;margin:-6px -6px 0 0;border-radius:50%;background:var(--marker);box-shadow:inset 0 0 0 2px var(--ink),0 0 0 5px rgba(255,224,74,.3);transition:opacity .4s 1.6s,transform .5s 1.6s var(--spring)}
.c-tip{position:absolute;right:-6px;bottom:20px;white-space:nowrap;padding:4px 7px;border-radius:6px;background:var(--ink);color:#fff;font:500 11px var(--f-mono)}
.c-x{position:absolute;left:16px;right:16px;bottom:10px;display:flex;justify-content:space-between;font:500 10px var(--f-mono);color:#857E91}
.cab-hw{grid-column:2/3}
.cab-hw ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.cab-hw li{position:relative;padding-left:26px;font-size:14.5px;color:#4A4358}
.cab-hw li::before{content:"";position:absolute;left:0;top:2px;width:16px;height:16px;border-radius:4px;box-shadow:inset 0 0 0 1.5px rgba(49,4,107,.35)}
.cab-hw li.done{color:#857E91;text-decoration:line-through}
.cab-hw li.done::before{background:var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.6 2.6L12 5.6' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat;box-shadow:none}
.t-cab .tile-foot{grid-column:1/-1;grid-row:2}
.t-cab.armed .c-line{stroke-dashoffset:1}
.t-cab.armed .c-area{opacity:0}
.t-cab.armed .c-pt{opacity:0;transform:scale(.4)}

/* --- 3D-знак с транспортиром --- */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.stage{--rx:16deg;--ry:-24deg;position:relative;height:520px}
.proto{position:absolute;left:50%;top:50%;width:740px;height:740px;transform:translate(-50%,-50%);overflow:visible;pointer-events:none}
.proto circle{fill:none}
.p-c1{stroke:rgba(146,113,184,.55);stroke-width:1}
.p-c2{stroke:rgba(146,113,184,.45);stroke-width:1;stroke-dasharray:2 5}
.p-c3{stroke:rgba(23,13,43,.07);stroke-width:1}
.p-axis{stroke:rgba(23,13,43,.07);stroke-width:1;stroke-dasharray:1 6}
.proto-ring{transform:translate(-50%,-50%) rotate(calc(var(--ry) * -.5 - 12deg))}
.p-ticks line{stroke:rgba(120,86,170,.55);stroke-width:1}
.p-ticks line.l{stroke:rgba(76,36,140,.8);stroke-width:1.2}
.p-rays line{stroke:var(--lilac);stroke-width:2.2;stroke-linecap:round;transition:stroke .6s var(--ease)}
.p-rays line.on{stroke:var(--marker-deep);transition-duration:.06s}
.p-arc{fill:none;stroke:#6B3FB0;stroke-width:1.2}
.p-lbl{font-family:var(--f-mono);font-size:12px;fill:#6B3FB0}
.cap3d{--s:260px;position:absolute;left:50%;top:50%;z-index:1;width:var(--s);height:var(--s);margin:calc(var(--s) / -2) 0 0 calc(var(--s) / -2);perspective:1100px;cursor:pointer}
.cap3d-rig{position:absolute;inset:0;transform-style:preserve-3d;transform:rotateX(var(--rx)) rotateY(var(--ry))}
.cap3d-face,.cap3d-edge i{position:absolute;inset:0;border-radius:23.4%}
.cap3d-face{overflow:hidden;background:radial-gradient(90% 70% at 22% 8%,rgba(167,128,224,.55),transparent 60%),radial-gradient(80% 80% at 90% 110%,rgba(10,0,30,.55),transparent 60%),linear-gradient(160deg,#4A158F 0%,#33076F 46%,#260456 100%);
  box-shadow:inset 0 1.5px 0 rgba(255,255,255,.35),inset 0 0 0 1px rgba(255,255,255,.08),inset 0 -14px 34px rgba(8,0,24,.35)}
.cap3d-edge{position:absolute;inset:0;transform-style:preserve-3d}
.cap3d-edge i{background:hsl(268 calc(70% - var(--i) * 1%) calc(34% - var(--i) * 1.35%));transform:translateZ(calc(var(--i) * -2.1px))}
.cap3d-edge i:nth-child(1){background:#7B4CC0}
.cap3d-edge i:nth-child(2){background:#5A2A9E}
.cap3d-rays{position:absolute;inset:0;width:100%;height:100%}
.cap3d-rays path{stroke:#9C7FC6;stroke-width:9;filter:drop-shadow(0 -1.5px 0 rgba(8,0,24,.6)) drop-shadow(0 1px 0 rgba(255,255,255,.18));transition:stroke .5s var(--ease)}
.cap3d.spark .cap3d-rays path{stroke:#FFE04A;transition-duration:.05s}
.cap3d-sheen{position:absolute;inset:-40%;background:linear-gradient(115deg,transparent 38%,rgba(255,255,255,.16) 47%,rgba(255,255,255,.02) 56%,transparent 60%);transform:translateX(calc(var(--ry) * -4));mix-blend-mode:screen}
.cap3d-cap,.cap3d-bolt,.cap3d-glow{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.cap3d-cap{transform:translateZ(34px);filter:drop-shadow(0 16px 14px rgba(10,0,32,.5)) drop-shadow(0 3px 3px rgba(10,0,32,.35))}
.cap3d-glow{left:22%;top:22%;width:56%;height:56%;border-radius:50%;transform:translateZ(46px);background:radial-gradient(closest-side,rgba(255,224,74,.75),rgba(255,210,26,.25) 45%,transparent 72%);opacity:.35;transition:opacity .9s var(--ease),transform .9s var(--ease)}
.cap3d-bolt{transform:translateZ(64px);filter:drop-shadow(0 14px 12px rgba(10,0,32,.45)) drop-shadow(0 0 10px rgba(255,224,74,.35))}
.cap3d.spark .cap3d-glow{opacity:1;transform:translateZ(46px) scale(1.25);transition-duration:.08s}
.cap3d-floor{position:absolute;left:8%;right:8%;bottom:-17%;height:16%;border-radius:50%;background:radial-gradient(closest-side,rgba(49,4,107,.38),rgba(49,4,107,.12) 55%,transparent);filter:blur(6px);transform:translateX(calc(var(--ry) * 1.2))}
.leaders{position:absolute;inset:0;z-index:2;width:100%;height:100%;overflow:visible;pointer-events:none}
.leader line{stroke:var(--ink);stroke-width:1}
.leader line:first-child{stroke-dasharray:3 3}
.leader circle{fill:var(--paper-hi);stroke:var(--ink);stroke-width:1.5}
.callout{position:absolute;z-index:3;display:grid;grid-template-columns:auto 1fr;column-gap:8px;row-gap:3px;width:200px;margin:0;font:400 13px/1.35 var(--f-ui);color:#4A4358}
.c-idx{font:500 10.5px/1.2 var(--f-mono);color:#6B3FB0}
.c-t{font:500 11px/1.2 var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--ink)}
.c-d{grid-column:2;text-wrap:balance}
.c-bolt{left:calc(58% + 10px);top:calc(8% - 7px)}
.c-cap{left:calc(38% + 10px);top:calc(91% - 7px)}

/* --- основатель --- */
.photo-col .photo{transform:rotate(-1.4deg)}
.founder-copy{margin-top:40px;padding-left:8px}
.founder-k{font-size:10.5px;color:var(--ink-4)}
.founder-t{margin:16px 0 22px;font-size:21px;line-height:1.5;color:var(--ink-2);max-width:30ch}

/* щёлк: искры от успешного действия */
.burst{position:fixed;z-index:90;width:0;height:0;pointer-events:none}
.burst i{position:absolute;left:-1px;top:-14px;width:2.5px;height:9px;border-radius:2px;background:var(--marker-deep);transform-origin:1px 14px;transform:rotate(var(--a)) scaleY(.4);opacity:0;animation:burst .6s var(--ease) forwards}
@keyframes burst{30%{opacity:1}100%{opacity:0;transform:rotate(var(--a)) translateY(-14px) scaleY(1)}}

@media (prefers-reduced-motion:reduce){
  .tcell.caret::after{animation:none}
  .pnote,.c-line,.c-area,.c-pt{transition:none}
}
@media (max-width:1180px){
  .t-cab{grid-template-columns:1fr}
  .cab-copy{grid-row:1}
  .cab-ui{grid-row:2;padding:0 28px 28px}
  .t-cab .tile-foot{grid-row:3}
}
@media (max-width:1080px){
  .t-task,.t-paper{grid-column:1/-1;grid-row:auto}
  .t-phone{grid-column:1/-1;grid-row:auto}
  .t-cab{grid-row:auto}
  .about{grid-template-columns:1fr}
  .stage{height:480px}
}
@media (max-width:760px){
  .bento{margin-top:40px;gap:12px}
  .tile{border-radius:20px}
  .tile-head{padding:22px 20px 0}
  .tile-foot{padding:12px 20px;flex-direction:column;gap:4px}
  .tile-foot span:last-child{text-align:left}
  .tsheet{margin:18px 14px 18px}
  .tbar{padding:0 6px 0 12px;gap:8px}
  .texam{font-size:12px}
  .tbody{padding:22px 16px 22px 40px;min-height:0}
  .tbody::before{left:26px}
  .tq{font-size:18.5px}
  .tcell{width:34px;height:42px;font-size:20px}
  .t-phone .tile-head{padding-right:80px}
  .tbadge{top:22px;right:20px}
  .phone{width:260px;height:480px;margin-bottom:-90px}
  .phone-time{font-size:60px}
  .stack{top:160px}
  .nb{margin:18px 20px 22px;padding-left:44px}
  .nb::before{left:30px}
  .nb-l{font-size:21px;gap:10px;flex-wrap:nowrap}
  .nb-pen{font-size:17px}
  .nb-grade{right:0;top:44px;width:52px;height:52px;font-size:38px}
  .soon-seal{margin-left:20px}
  .cab-note{margin:18px 20px 0}
  .cab-ui{grid-template-columns:1fr;padding:0 14px 18px}
  .cab-row{grid-template-columns:1fr}
  .cab-chart,.cab-hw{grid-column:1/-1}
  .stage{height:360px}
  .cap3d{--s:180px}
  .proto{width:480px;height:480px}
  .callout,.leaders{display:none}
  .founder-t{font-size:18px}
}

/* ---------- правки после проверки ---------- */
.hero{overflow-x:hidden;overflow-x:clip}
/* крестики в клетках не видны, пока их не «поставили» */
.opt-box path,.qbox path{opacity:0;transition:stroke-dashoffset .35s var(--ease-io),opacity .01s .0s}
.opt:hover .opt-box path,.opt:focus-within .opt-box path,.qopt input:checked ~ .qbox path{opacity:1}
/* тетрадная строка: без промежутков между кусками формулы */
.nb-l{gap:0}
.nb-l sub{font-size:.6em;margin:0 .04em}
.nb-n{margin-right:24px}
.nb-pen{margin-left:16px}
/* подсказка на графике кабинета */
.c-tip b{font-size:inherit;line-height:inherit;letter-spacing:0;font-weight:600;color:var(--marker)}
/* крестик живёт внутри <use>, поэтому стили задаём самому svg - пути их наследуют */
.opt-box svg,.qbox svg{fill:none;stroke:var(--ink);stroke-width:2.6;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;opacity:0;transition:stroke-dashoffset .4s var(--ease-io),opacity 0s .4s}
.opt:hover .opt-box svg,.opt:focus-within .opt-box svg,.qopt input:checked ~ .qbox svg{stroke-dashoffset:0;opacity:1;transition:stroke-dashoffset .4s var(--ease-io),opacity 0s}
/* подписи к 3D-знаку: бумажная плашка поверх делений транспортира */
.callout{width:auto;max-width:230px;padding:8px 12px 9px;background:var(--paper-hi);border:1px solid var(--rule-2);border-radius:3px;box-shadow:0 8px 18px -12px rgba(49,4,107,.35)}
.c-bolt{left:58%;top:calc(8% - 15px)}
.c-cap{left:38%;top:calc(91% - 15px)}
/* рукописная пятёрка: цифра Bad Script сидит ниже строки, поднимаем в центр кружка */
.grade-n{display:block;transform:translate(1px,-.13em) rotate(-4deg)}

/* ---------- подвал: колонки и подпись клеточками ---------- */
.cover-k{font-size:10px;color:var(--ink-4);margin-bottom:18px}
.cover-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.cover-col a:not(.btn){font-size:16px;color:var(--ink);text-decoration:none;padding:1px 2px;margin:0 -2px;background:var(--mk) no-repeat 0 70%/0% 60%;transition:background-size .4s var(--ease)}
.cover-col a:not(.btn):hover,.cover-col a:not(.btn):focus-visible{background-size:100% 60%}
.cover-t{font-size:15.5px;line-height:1.5;color:var(--ink-3);margin-bottom:20px;max-width:30ch}
.cover-contact .btn{margin-bottom:16px}
.cover-ch{display:inline-flex !important;align-items:center;gap:8px;font-size:15px !important}
.cover-ch svg{width:16px;height:16px;color:var(--lilac)}
.cover-word{grid-column:1/-1;margin-top:24px}
.cover-word .cells{display:block;--cg:clamp(4px,.8vw,12px)}
.cover-word .cells-in{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));width:100%}
.cover-word .cells i{width:auto;height:auto;aspect-ratio:4/5;border:1.5px solid var(--rule-3);background:var(--paper-hi);
  font:600 clamp(40px,10.5vw,150px)/1 var(--f-serif);letter-spacing:-.02em;color:var(--ink)}
.cover-word .cells i.hl{background:var(--marker);border-color:var(--ink)}
@media (prefers-reduced-motion:no-preference){
  .js .cover-word .cells b{clip-path:inset(0 100% 0 0);transition:clip-path .35s var(--ease);transition-delay:calc(.1s + var(--i) * 90ms)}
  .js .cover-word.in .cells b{clip-path:inset(0 0 0 0)}
}
@media (max-width:760px){
  .cover-in{gap:32px 24px;padding-top:56px}
  .cover-word{margin-top:8px}
  .cover-word .cells i{border-width:1px}
}

/* ==========================================================
   ШРИФТ ИНТЕРФЕЙСА: навигация, кнопки и ссылки подвала набраны Onest,
   моноширинный капс остаётся только для подписей-«полей»
   ========================================================== */
.logo-tag{font:500 11.5px/1.2 var(--f-ui);letter-spacing:0;text-transform:none;color:var(--ink-4)}
.nav a{font:500 15px/1 var(--f-ui);letter-spacing:-.01em;text-transform:none;color:var(--ink-2);padding:8px 3px}
.nav a:hover,.nav a:focus-visible{color:var(--ink)}
.btn{gap:12px;font:600 15.5px/1 var(--f-ui);letter-spacing:-.01em;text-transform:none}
.btn-sm{font-size:14.5px}
.link{font:600 15.5px/1 var(--f-ui);letter-spacing:-.01em;text-transform:none}
.cover-col a:not(.btn),.cover-ch{font-family:var(--f-ui);font-weight:500;letter-spacing:-.01em}
.cover-col a:not(.btn){font-size:16px}

/* подвал: реквизиты и документы */
.cover-fine{align-items:center;font:400 13.5px/1.5 var(--f-ui);letter-spacing:0;text-transform:none;color:var(--ink-3)}
.cover-docs{display:flex;flex-wrap:wrap;gap:6px 24px}
.cover-docs a{color:var(--ink);text-decoration:none;font-weight:500}
.cover-docs a:hover,.cover-docs a:focus-visible{text-decoration:underline;text-underline-offset:4px}
/* поля, которые нужно заполнить данными заказчика (ФИО, ИНН, почта) */
.fill{background:var(--marker);box-shadow:0 0 0 2px var(--marker);border-radius:2px;color:var(--ink)}

/* уведомление о cookie (показывается, только если в CONFIG указан счётчик Метрики) */
.ck{position:fixed;right:24px;bottom:24px;z-index:90;width:min(440px,calc(100% - 32px));padding:20px 22px 18px;background:var(--paper-hi);border:1.5px solid var(--ink);border-radius:var(--r);
  box-shadow:0 24px 48px -20px rgba(49,4,107,.45);font-family:var(--f-ui);opacity:0;transform:translateY(16px);transition:opacity .35s var(--ease),transform .35s var(--ease)}
.ck.show{opacity:1;transform:none}
.ck-t{font-size:14.5px;line-height:1.5;color:var(--ink-2)}
.ck-t a{color:var(--ink);text-underline-offset:3px}
.ck-b{display:flex;align-items:center;gap:10px;margin-top:16px}
.ck-no{height:44px;padding:0 18px;border:1px solid var(--rule-3);border-radius:var(--r);background:transparent;font:600 14.5px/1 var(--f-ui);color:var(--ink);cursor:pointer;transition:border-color .2s,background-color .2s}
.ck-no:hover{border-color:var(--ink);background:rgba(49,4,107,.05)}
.ck-open .sticky{opacity:0;pointer-events:none}
@media (max-width:760px){
  .ck{left:16px;right:16px;width:auto;bottom:calc(16px + env(safe-area-inset-bottom))}
  .ck-b>*{flex:1}
}
@media (prefers-reduced-motion:reduce){.ck{transition:none}}

/* обращение основателя: обложка видео, плеер Kinescope по нажатию */
.frame.has-video{aspect-ratio:16/9;background:#1A0E2E}
.frame.has-video .frame-rays{display:none}
.frame.has-video>img{transition:transform .8s var(--ease)}
.frame.has-video:hover>img{transform:scale(1.03)}
/* кнопка в левом нижнем углу, чтобы не закрывать лицо */
.frame.has-video{place-items:end start}
.frame.has-video::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(26,14,46,0) 50%,rgba(26,14,46,.62))}
.frame.has-video .frame-in{z-index:2;grid-auto-flow:column;align-items:center;justify-items:start;gap:14px;padding:clamp(14px,2.4vw,22px);text-align:left}
.frame.has-video .frame-btn{width:60px;height:60px;box-shadow:0 0 0 8px rgba(255,224,74,.22),0 10px 24px -8px rgba(0,0,0,.5);transition:transform .35s var(--ease)}
.frame.has-video .frame-btn svg{width:22px;height:22px;margin-left:3px}
.frame.has-video .frame-btn:hover{transform:scale(1.07)}
.frame.has-video .frame-in .mono{font-size:10.5px;color:#fff;text-shadow:0 1px 8px rgba(0,0,0,.5)}
.frame.playing::after{display:none}