/* ============ Токены (основа принята 2026-08-27: лаванда · Onest + IBM Plex Mono) ============ */
:root{
  --bg:#F3F2F8; --surface:#FFFFFF; --panel:#F3F2F8;
  --ink:#181530; --dim:color-mix(in srgb, var(--ink) 55%, transparent); --faint:color-mix(in srgb, var(--ink) 42%, transparent); --line:color-mix(in srgb, var(--ink) 10%, transparent);
  --dark1:#1F1B3A; --dark2:#151132; --on-dark:#ECEAF8; --on-dark-dim:rgba(236,234,248,.66);
  --accent:#7466E4; --accent-hi:#978CF0;
  --sky1:#302A6B; --sky2:#221C4C; --sky3:#151132;
  --r:32px; --r-sm:24px;
  --body:'Onest',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}


/* Тёмная тема (тумблер в шапке; выбор хранится на устройстве) */
[data-theme="dark"]{
  --bg:#0F0D1D; --surface:#1A1633; --panel:#131024;
  --ink:#ECEAF8;
  --dark1:#221D44; --dark2:#131028;
  --accent:#8B7FF3; --accent-hi:#A79DF5;
}
[data-theme="dark"] body{-webkit-font-smoothing:auto}

/* ============ База ============ */
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--ink);
  font-family:var(--body); font-size:17px; line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
main{max-width:1440px;margin:0 auto;padding:0 60px 0}
h1,h2,h3,h4{font-family:var(--body);letter-spacing:-.035em}
a{color:inherit;text-decoration:none}
button{font-family:var(--body)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.mono{font-family:var(--mono);text-transform:uppercase}

/* ============ Шапка ============ */
.top{
  max-width:1440px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:30px 60px 18px;
}
.logo{display:flex;align-items:center;gap:12px}
.wordmark{font-size:21px;font-weight:700;letter-spacing:-.03em}
.mark{width:27px;height:27px;display:block;color:var(--accent)}
.mark.small{width:25px;height:25px}
.mark.tiny{width:18px;height:18px;color:color-mix(in srgb, var(--accent) 75%, transparent)}
.nav{display:flex;align-items:center;gap:16px;font-size:15px;color:color-mix(in srgb, var(--ink) 62%, transparent)}
.nav a:hover{color:var(--ink)}
.nav-dot{color:color-mix(in srgb, var(--ink) 28%, transparent)}

/* ============ Кнопки ============ */
.pill{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 24px;border-radius:999px;
  font-size:15px;font-weight:500;line-height:1;cursor:pointer;
  transition:background .2s, color .2s, transform .12s ease;
}
.pill:active{transform:translateY(1.5px)}
.pill-dark{background:var(--dark1);color:var(--on-dark)}
.pill-dark:hover{background:var(--accent);color:#fff}
.pill-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px color-mix(in srgb, var(--accent) 32%, transparent)}
.pill-accent:hover{background:var(--accent-hi)}
.pill-light{background:#FFFFFF;color:#181530;font-size:16px;font-weight:600;padding:16px 30px} /* текст константный: кнопка живёт на тёмных плитах в обеих темах */
.pill-light:hover{background:var(--on-dark)}
.quiet-link{font-size:16px;color:rgba(236,234,248,.7);border-bottom:1px solid rgba(236,234,248,.28);padding-bottom:2px}
.quiet-link:hover{color:#FFFFFF}

/* ============ Тумблер темы ============ */
.theme-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:transparent;color:var(--dim);cursor:pointer;
  display:grid;place-items:center;flex:none;
  transition:color .2s, border-color .2s, background .2s;
}
.theme-btn:hover{color:var(--ink);border-color:color-mix(in srgb, var(--ink) 25%, transparent)}
.theme-btn svg{width:17px;height:17px;display:none}
.theme-btn .ic-moon{display:block}
[data-theme="dark"] .theme-btn .ic-moon{display:none}
[data-theme="dark"] .theme-btn .ic-sun{display:block}
.top-right{display:flex;align-items:center;gap:12px}

/* ============ Герой ============ */
.hero{padding-top:12px}
.hero-plate{
  position:relative;border-radius:var(--r);overflow:hidden;cursor:crosshair;
  background:
    radial-gradient(120% 90% at 50% 118%, rgba(151,140,240,.40) 0%, rgba(116,102,228,.16) 34%, rgba(31,27,58,0) 62%),
    radial-gradient(80% 60% at 18% 8%, rgba(151,140,240,.22), rgba(31,27,58,0) 70%),
    linear-gradient(180deg, var(--sky1) 0%, var(--sky2) 44%, var(--sky3) 100%);
}
.net-base,.net-glow,.net-halo{position:absolute;inset:0;pointer-events:none}
.net-base{
  z-index:1;
  mask-image:radial-gradient(78% 68% at 50% 42%, rgba(0,0,0,.06) 0%, rgba(0,0,0,.34) 56%, rgba(0,0,0,1) 100%);
  -webkit-mask-image:radial-gradient(78% 68% at 50% 42%, rgba(0,0,0,.06) 0%, rgba(0,0,0,.34) 56%, rgba(0,0,0,1) 100%);
}
.net-glow{z-index:2;opacity:0;transition:opacity .45s ease}
.net-halo{z-index:2;opacity:0;transition:opacity .45s ease}
.net-base svg,.net-glow svg{display:block;width:100%;height:100%}
@keyframes svodPhoton{from{stroke-dashoffset:0}to{stroke-dashoffset:var(--pd)}}

.hero-copy{
  position:relative;z-index:4;pointer-events:none;
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:148px 40px 168px;
}
.eyebrow{font-size:13px;font-weight:500;letter-spacing:.16em;color:rgba(236,234,248,.62)}
.hero h1{
  margin-top:22px;font-size:clamp(52px,7.2vw,104px);line-height:.96;font-weight:700;
  letter-spacing:-.045em;color:#FFFFFF;max-width:1000px;text-wrap:balance;
  text-shadow:0 4px 60px rgba(21,17,50,.55);
}
.hero-sub{margin-top:26px;font-size:20px;line-height:1.5;color:rgba(236,234,248,.78);max-width:620px;text-wrap:pretty}
.hero-cta{display:flex;align-items:center;gap:26px;margin-top:38px;pointer-events:auto}

/* ============ Интро ============ */
.intro{padding:150px 0 130px;display:flex;justify-content:center}
.intro h2{
  max-width:1080px;text-align:center;
  font-size:clamp(34px,4.4vw,62px);line-height:1.12;font-weight:600;text-wrap:pretty;
}
.dim2{color:color-mix(in srgb, var(--ink) 40%, transparent)}

/* ============ Возможности ============ */
.features{display:flex;flex-direction:column;gap:28px}
.sect-head{padding:0 6px 10px}
.sect-label{font-size:12px;font-weight:500;letter-spacing:.14em;color:var(--faint)}

.tile{position:relative;background:var(--surface);border-radius:var(--r);padding:52px;overflow:hidden}
.tile h3{font-size:clamp(30px,3vw,44px);line-height:1.04;font-weight:700}
.tile p{margin-top:18px;font-size:19px;line-height:1.5;color:var(--dim);max-width:380px;text-wrap:pretty}

/* --- Чат --- */
.tile-chat{display:grid;grid-template-columns:480px 1fr;gap:56px}
.tile-side{display:flex;flex-direction:column;justify-content:space-between;gap:36px}
.net-badge{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:500;letter-spacing:.1em;color:color-mix(in srgb, var(--ink) 38%, transparent)}
.chat-panel{
  background:var(--panel);border-radius:var(--r-sm);padding:32px;
  display:flex;flex-direction:column;gap:18px;min-height:420px;
}
.msg{font-size:17px;line-height:1.5}
.msg.user{
  align-self:flex-end;max-width:460px;background:var(--dark1);color:var(--on-dark);
  padding:18px 22px;border-radius:20px 20px 6px 20px;font-size:17px;line-height:1.45;
}
.msg.typing{
  align-self:flex-start;display:flex;align-items:center;gap:8px;background:var(--surface);
  padding:20px 24px;border-radius:20px 20px 20px 6px;box-shadow:0 8px 24px rgba(24,21,48,.06);
}
.msg.typing span{margin-left:8px;font-size:15px;color:color-mix(in srgb, var(--ink) 45%, transparent)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;animation:svodCore 1.4s ease-in-out infinite}
.d1{background:var(--accent)}
.d2{background:var(--accent-hi);animation-delay:.2s}
.d3{background:rgba(151,140,240,.5);animation-delay:.4s}
@keyframes svodCore{0%,100%{opacity:.82;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}
@keyframes svodRise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.answer{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.msg.bot{
  max-width:560px;background:var(--surface);padding:24px 26px;border-radius:20px 20px 20px 6px;
  box-shadow:0 8px 28px rgba(24,21,48,.06);
}
.msg.bot sup{color:var(--accent);font-weight:600}
.srcs{display:flex;gap:10px;flex-wrap:wrap}
.src{
  display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;font-weight:400;text-transform:none;color:color-mix(in srgb, var(--ink) 70%, transparent);
}
.src i{width:5px;height:5px;border-radius:50%}
.src .sd1,.src i.sd1{background:var(--accent)}
.src i.sd2{background:var(--accent-hi)}
.play .msg.typing{animation:svodRise .4s ease both}
.play .msg.bot{animation:svodRise .55s cubic-bezier(.2,.8,.2,1) both}
.play .src:nth-child(1){animation:svodRise .5s cubic-bezier(.2,.8,.2,1) .3s both}
.play .src:nth-child(2){animation:svodRise .5s cubic-bezier(.2,.8,.2,1) .45s both}
.chat-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:20px}
.chat-hint{font-size:11px;font-weight:500;letter-spacing:.14em;color:color-mix(in srgb, var(--ink) 32%, transparent)}
.chat-replay{
  flex:none;white-space:nowrap;margin-left:12px;
  padding:9px 18px;border-radius:999px;border:1px solid color-mix(in srgb, var(--ink) 14%, transparent);background:transparent;
  font-size:13px;color:color-mix(in srgb, var(--ink) 55%, transparent);cursor:pointer;transition:color .15s,border-color .15s;
}
.chat-replay:hover{border-color:var(--accent);color:var(--accent)}

/* --- Пара: периметр + иерархия --- */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid2 .tile{min-height:540px;display:flex;flex-direction:column;justify-content:space-between}
.tile-dark{
  background:
    radial-gradient(90% 70% at 80% 100%, rgba(116,102,228,.35), rgba(21,17,50,0) 70%),
    linear-gradient(160deg, var(--dark1) 0%, var(--dark2) 100%);
  color:var(--on-dark);
}
.tile-dark h3{color:#FFFFFF}
.tile-dark p{color:var(--on-dark-dim);max-width:340px;font-size:18px}
.zero-row{display:flex;align-items:flex-end;gap:28px}
.zero{
  /* единственной цифре трекинг не нужен: отрицательный letter-spacing сужал
     инлайн-бокс, и правый край глифа оставался без градиента (визуально обрезан) */
  font-size:clamp(150px,17vw,240px);line-height:.8;font-weight:700;letter-spacing:0;
  padding-right:.03em;
  background:linear-gradient(180deg,#FFFFFF 20%,var(--accent-hi) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.zero-label{margin:0 0 16px;font-size:16px;line-height:1.45;color:var(--on-dark-dim);max-width:200px}
/* Тёмная тема: плитка-«0» инвертируется в светлую — контраст-якорь страницы */
[data-theme="dark"] .tile-dark.flip{background:linear-gradient(165deg,#F6F5FB 30%,#E6E3F3 100%)}
[data-theme="dark"] .tile-dark.flip h3{color:#181530}
[data-theme="dark"] .tile-dark.flip p{color:rgba(24,21,48,.6)}
[data-theme="dark"] .flip .zero{background:linear-gradient(180deg,#2A2360 8%,#7466E4 100%);-webkit-background-clip:text;background-clip:text}
[data-theme="dark"] .flip .zero-label{color:rgba(24,21,48,.55)}
[data-theme="dark"] .flip .zero-note{color:rgba(24,21,48,.4)}
[data-theme="dark"] .flip .ring.r1{border-color:rgba(24,21,48,.12)}
[data-theme="dark"] .flip .ring.r2{border-color:rgba(24,21,48,.08)}

.zero-note{
  margin-top:14px;font-size:12px;color:rgba(236,234,248,.38);line-height:1.5;max-width:320px;
}
.ring{position:absolute;border-radius:50%;pointer-events:none}
.r1{right:-110px;top:-110px;width:320px;height:320px;border:1px solid rgba(236,234,248,.16)}
.r2{right:-50px;top:-50px;width:200px;height:200px;border:1px solid rgba(236,234,248,.1)}

/* пирамида норм: капсулы с толщиной */
.pyr-stage{
  height:340px;display:flex;align-items:center;justify-content:center;
  perspective:1300px;perspective-origin:50% 32%;
}
.pyr{position:relative;width:470px;height:322px;transform-style:preserve-3d;transform:rotateX(12deg) rotateY(-27deg)}
.lvl{
  position:absolute;height:84px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  font-size:27px;font-weight:500;letter-spacing:-.02em;
}
.lvl.l3{
  left:0;top:220px;width:470px;
  background:linear-gradient(150deg,#FAF9FD,#E9E7F2);color:rgba(24,21,48,.6);
  box-shadow:inset 0 1.5px 0 #FFFFFF,0 2px 0 #E4E1EF,0 5px 0 #D8D4E6,0 9px 0 #CCC8DC,0 14px 0 #C0BBD2,0 19px 0 #ABA6C0,0 26px 22px -14px rgba(24,21,48,.22);
}
.lvl.l2{
  left:44px;top:112px;width:384px;
  background:linear-gradient(150deg,#2A2360,#1B1640);color:var(--on-dark);
  box-shadow:inset 0 1.5px 0 rgba(236,234,248,.2),0 2px 0 #191436,0 5px 0 #16112F,0 9px 0 #120E27,0 14px 0 #0E0B1F,0 19px 0 #0A0818,0 28px 20px -16px rgba(24,21,48,.34);
}
.lvl.l1{
  left:90px;top:4px;width:292px;
  background:linear-gradient(150deg,#8B7FF3,#6B5DE0);color:#FFFFFF;font-weight:600;
  box-shadow:inset 0 1.5px 0 rgba(255,255,255,.42),0 2px 0 #6A5CDE,0 5px 0 #5F51D2,0 9px 0 #5346C4,0 14px 0 #483BB4,0 19px 0 #3E33A0,0 28px 20px -16px rgba(116,102,228,.4);
}

/* --- Совещание --- */
.tile-council{display:grid;grid-template-columns:440px 1fr;gap:56px;align-items:center}
.council-stage{position:relative;height:300px}
.pcard{
  position:absolute;width:190px;padding:22px;border-radius:22px;background:var(--panel);
  display:flex;flex-direction:column;align-items:flex-start;
  transition:transform .3s ease;
}
.pcard b{margin-top:16px;font-size:16px;font-weight:600}
.pcard>span{margin-top:6px;font-size:13px;color:color-mix(in srgb, var(--ink) 45%, transparent)}
.pcard.c1{left:40px;top:10px;transform:rotate(-4deg)}
.pcard.c2{left:250px;top:-12px;transform:rotate(3deg)}
.pcard.c3{left:460px;top:14px;transform:rotate(-2deg)}
.tile-council:hover .pcard.c1{transform:rotate(-5.5deg) translateY(-4px)}
.tile-council:hover .pcard.c2{transform:rotate(4.5deg) translateY(-6px)}
.tile-council:hover .pcard.c3{transform:rotate(-3.5deg) translateY(-4px)}
.pava{width:40px;height:40px;border-radius:50%;flex:none}
.pava.a1{background:radial-gradient(circle at 34% 30%,#FFFFFF,#C9C2F2 55%,#978CF0 100%)}
.pava.a2{background:radial-gradient(circle at 34% 30%,#FFFFFF,#DED9F8 55%,#7466E4 100%)}
.pava.a3{background:radial-gradient(circle at 34% 30%,#FFFFFF,#B9B1EC 55%,#5B4FC7 100%)}
.pava.a0{width:46px;height:46px;background:radial-gradient(circle at 38% 32%,#FFFFFF,#978CF0 60%,#7466E4 100%);box-shadow:0 0 30px rgba(151,140,240,.7)}
.pcard.advisor{
  left:190px;bottom:6px;top:auto;width:300px;padding:28px 30px;border-radius:26px;
  background:linear-gradient(160deg,var(--dark1),var(--dark2));color:var(--on-dark);
  box-shadow:0 30px 70px rgba(24,21,48,.28);
  flex-direction:row;align-items:center;gap:14px;
}
[data-theme="dark"] .pcard.advisor{
  background:linear-gradient(160deg,#39316F 0%,#241E4E 100%);
  box-shadow:inset 0 0 0 1px rgba(151,140,240,.45), 0 20px 50px rgba(0,0,0,.4), 0 0 44px rgba(116,102,228,.16);
}
.adv-text{display:flex;flex-direction:column}
.pcard.advisor b{margin:0;font-size:18px;color:#FFFFFF}
.pcard.advisor .adv-text span{margin-top:2px;font-size:13px;color:var(--on-dark-dim)}

/* --- Агенты в комплекте --- */
.agents{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.acard{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--panel);border-radius:18px;padding:22px 24px;
}
.acard .pava{width:36px;height:36px;margin-top:2px}
.acard b{display:block;font-size:17.5px;font-weight:600;letter-spacing:-.01em}
.acard span{display:block;margin-top:5px;font-size:14.5px;line-height:1.45;color:var(--dim)}
.tile-dark .acard{background:rgba(236,234,248,.07)}
.tile-dark .acard b{color:#FFFFFF}
.tile-dark .acard span,.tile-dark .acard .more em{color:var(--on-dark-dim)}
[data-theme="dark"] .tile-dark.flip .acard{background:rgba(24,21,48,.05)}
[data-theme="dark"] .tile-dark.flip .acard b{color:#181530}
[data-theme="dark"] .tile-dark.flip .acard span,
[data-theme="dark"] .tile-dark.flip .acard .more em{color:rgba(24,21,48,.55)}
.acard .more{display:block;max-height:0;opacity:0;overflow:hidden;transition:max-height .35s ease, opacity .3s ease, margin-top .35s ease}
.acard .more em{display:block;font-style:normal;font-size:13.5px;line-height:1.5;color:color-mix(in srgb, var(--ink) 48%, transparent)}
.acard:hover .more{max-height:180px;opacity:1;margin-top:9px}
@media (hover:none){.acard.open .more{max-height:180px;opacity:1;margin-top:9px}}
.pava.b1{background:radial-gradient(circle at 34% 30%,#FFFFFF,#C9C2F2 55%,#8B7FF3 100%)}
.pava.b2{background:radial-gradient(circle at 34% 30%,#FFFFFF,#DED9F8 55%,#6B5DE0 100%)}
.pava.b3{background:radial-gradient(circle at 34% 30%,#FFFFFF,#B9B1EC 55%,#5B4FC7 100%)}
.pava.b4{background:radial-gradient(circle at 34% 30%,#FFFFFF,#CFC8F5 55%,#7466E4 100%)}

.agents.cols3{grid-template-columns:repeat(3,1fr)}

/* ============ Как это устроено ============ */
.how{padding:130px 0 0}
.how .sect-label{padding-left:6px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;margin-top:34px}
.step{border-top:1px solid color-mix(in srgb, var(--ink) 14%, transparent);padding-top:26px}
.step-num{font-size:13px;color:var(--accent)}
.step h4{margin-top:16px;font-size:26px;font-weight:600;letter-spacing:-.03em}
.step p{margin-top:12px;font-size:16px;line-height:1.5;color:color-mix(in srgb, var(--ink) 50%, transparent)}

/* ============ Футер ============ */
.foot{
  margin-top:130px;padding:40px 0 54px;border-top:1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  display:flex;align-items:flex-end;justify-content:space-between;
}
.foot .wordmark{font-size:19px}
.foot-right{text-align:right;display:flex;flex-direction:column;gap:8px}
.foot-note{font-size:17px;color:color-mix(in srgb, var(--ink) 62%, transparent)}
.foot-link{
  border:0;background:none;padding:0;cursor:pointer;
  font:inherit;color:var(--accent);
  border-bottom:1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  transition:border-color .18s;
}
.foot-link:hover{border-bottom-color:var(--accent)}
.foot-copy{font-size:12px;font-weight:400;letter-spacing:.04em;color:color-mix(in srgb, var(--ink) 38%, transparent);text-transform:none}

/* ============ Появление при скролле ============ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}
.static-probe .reveal{opacity:1;transform:none;transition:none}
.static-probe,.static-probe *{transition:none !important}
.static-probe .modal-card,.static-probe .modal-scrim{animation:none}

/* ============ Лента фактов ============ */
.facts{
  margin:96px auto 0;max-width:1100px;text-align:center;
  font-size:12px;font-weight:500;letter-spacing:.12em;line-height:2.2;
  color:var(--faint);
}
.facts span{margin:0 18px;color:color-mix(in srgb, var(--ink) 22%, transparent)}

/* ============ Как это выглядит: образ интерфейса ============ */
.showcase{padding-top:96px}
.app-tile{padding:56px 56px 0;display:flex;justify-content:center}
.app-win{
  width:min(1080px,100%);background:var(--bg);border-radius:20px 20px 0 0;
  box-shadow:0 -30px 80px rgba(21,17,50,.45);
  overflow:hidden;display:flex;flex-direction:column;
  color:var(--ink); /* окно светлое: не наследовать светлый текст тёмной плитки */
}
.app-top{
  display:flex;align-items:center;gap:12px;
  background:#FFFFFF;border-bottom:1px solid var(--line);padding:14px 20px;
}
.app-name{font-size:14px;font-weight:700;letter-spacing:-.02em}
.app-search{flex:1;max-width:280px;height:28px;border-radius:999px;background:var(--bg);margin-left:16px}
.app-user{
  margin-left:auto;width:30px;height:30px;border-radius:50%;
  background:var(--dark1);color:var(--on-dark);
  display:grid;place-items:center;font-size:11px;font-weight:600;
}
.app-body{display:grid;grid-template-columns:56px minmax(0,1fr) 250px;min-height:380px}
.app-rail{
  background:#FFFFFF;border-right:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;gap:16px;padding-top:20px;
}
.app-rail i{width:22px;height:22px;border-radius:8px;background:color-mix(in srgb, var(--ink) 10%, transparent)}
.app-rail i.on{background:var(--accent)}
.app-chat{display:flex;flex-direction:column;gap:14px;padding:26px 28px}
.app-q{
  align-self:flex-end;max-width:340px;background:var(--dark1);color:var(--on-dark);
  padding:13px 17px;border-radius:16px 16px 4px 16px;font-size:14.5px;line-height:1.45;
}
.app-a{
  align-self:flex-start;max-width:440px;background:#FFFFFF;
  padding:16px 19px;border-radius:16px 16px 16px 4px;font-size:14.5px;line-height:1.5;
  box-shadow:0 6px 20px rgba(24,21,48,.05);
}
.app-a sup{color:var(--accent);font-weight:600}
.app-composer{
  margin-top:auto;display:flex;align-items:center;gap:12px;
  background:#FFFFFF;border:1px solid var(--line);border-radius:999px;padding:9px 9px 9px 20px;
}
.app-composer span{flex:1;height:10px;border-radius:5px;background:color-mix(in srgb, var(--ink) 8%, transparent)}
.app-send{width:32px;height:32px;border-radius:50%;background:var(--accent);flex:none}
.app-side{
  background:#FFFFFF;border-left:1px solid var(--line);
  padding:22px 20px;display:flex;flex-direction:column;gap:14px;
}
.app-side-title{font-size:11px;font-weight:500;letter-spacing:.12em;color:var(--faint)}
.app-srcdoc{display:flex;align-items:flex-start;gap:10px;background:var(--bg);border-radius:14px;padding:12px 14px}
.app-srcdoc i{width:6px;height:6px;border-radius:50%;margin-top:6px;flex:none}
.app-srcdoc .sd1{background:var(--accent)}
.app-srcdoc .sd2{background:var(--accent-hi)}
.app-srcdoc b{display:block;font-size:13.5px;font-weight:600}
.app-srcdoc span{display:block;margin-top:2px;font-size:12px;color:color-mix(in srgb, var(--ink) 50%, transparent)}
.app-side-note{margin-top:auto;font-size:10px;font-weight:500;letter-spacing:.1em;color:color-mix(in srgb, var(--ink) 35%, transparent);line-height:1.7}

/* ============ Вопросы ============ */
.faq{padding:130px 0 0;max-width:900px;margin-inline:auto}
.faq-list{margin-top:26px}
.faq details{border-top:1px solid color-mix(in srgb, var(--ink) 14%, transparent)}
.faq details:last-child{border-bottom:1px solid color-mix(in srgb, var(--ink) 14%, transparent)}
.faq summary{
  list-style:none;cursor:pointer;position:relative;
  padding:24px 48px 24px 2px;
  font-size:21px;font-weight:600;letter-spacing:-.02em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:8px;top:50%;width:12px;height:12px;
  border-right:2px solid var(--faint);border-bottom:2px solid var(--faint);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
/* обёртка без собственных паддингов: высота 0 = действительно свёрнуто */
.faq .fa{overflow:hidden;opacity:0;transition:height .3s ease, opacity .26s ease}
.faq details[open] .fa{opacity:1}
.faq details[data-closing] .fa{opacity:0}
.faq details[data-closing] summary::after{transform:translateY(-70%) rotate(45deg)}
.faq .fa > p{padding:0 48px 26px 2px;font-size:17px;line-height:1.55;color:var(--dim);max-width:680px}

/* ============ Финальный CTA ============ */
.cta-final{padding-top:130px}
.cta-plate{
  position:relative;border-radius:var(--r);overflow:hidden;
  background:
    radial-gradient(120% 100% at 50% 120%, rgba(151,140,240,.42) 0%, rgba(116,102,228,.16) 38%, rgba(31,27,58,0) 64%),
    linear-gradient(180deg, var(--sky1) 0%, var(--sky2) 44%, var(--sky3) 100%);
}
.cta-plate .net-base{
  mask-image:radial-gradient(90% 120% at 50% 50%, rgba(0,0,0,.5) 0%, rgba(0,0,0,.12) 60%, rgba(0,0,0,0) 100%);
  -webkit-mask-image:radial-gradient(90% 120% at 50% 50%, rgba(0,0,0,.5) 0%, rgba(0,0,0,.12) 60%, rgba(0,0,0,0) 100%);
}
.cta-copy{
  position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;
  text-align:center;padding:96px 40px 104px;
}
.cta-copy h2{font-size:clamp(36px,4.6vw,64px);font-weight:700;color:#FFFFFF;letter-spacing:-.04em;text-wrap:balance}
.cta-copy p{margin:20px 0 36px;font-size:18px;line-height:1.5;color:rgba(236,234,248,.75);max-width:520px;text-wrap:pretty}

/* ============ Футер: расшифровка ============ */
.foot-left{display:flex;flex-direction:column;gap:12px}
.foot-abbr b{color:var(--accent);font-weight:600}
.foot-abbr{
  font-size:11px;font-weight:500;letter-spacing:.1em;line-height:1.8;
  color:var(--faint);max-width:360px;
}


/* ============ Модалка заявки ============ */
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px}
.modal-scrim{position:absolute;inset:0;background:rgba(13,11,28,.62);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:mFade .2s ease both}
.modal-card{
  position:relative;width:min(520px,100%);max-height:88vh;overflow-y:auto;
  background:var(--surface);border-radius:28px;padding:40px 40px 34px;
  box-shadow:0 40px 120px rgba(13,11,28,.5);
  animation:mRise .26s cubic-bezier(.2,.8,.2,1) both;
}
.modal-card>*{flex:none}
@keyframes mFade{from{opacity:0}to{opacity:1}}
@keyframes mRise{from{opacity:0;transform:translateY(18px) scale(.98)}to{opacity:1;transform:none}}
.modal-x{
  position:absolute;right:18px;top:18px;width:34px;height:34px;border-radius:50%;
  border:0;background:var(--panel);color:var(--dim);font-size:13px;cursor:pointer;
  transition:background .2s,color .2s;
}
.modal-x:hover{background:var(--accent);color:#fff}

/* ---- Форма ---- */
.lead h3{font-size:30px;font-weight:700;letter-spacing:-.03em}
.lead-lead{margin-top:10px;font-size:15.5px;line-height:1.5;color:var(--dim);max-width:380px}
.fld{display:block;margin-top:20px}
.flabel{display:block;font-size:11px;font-weight:500;letter-spacing:.12em;color:var(--faint);margin-bottom:8px}
.lead input[type=text],.lead input[type=email],.lead textarea{
  width:100%;background:var(--panel);border:1px solid transparent;border-radius:14px;
  padding:13px 16px;font:400 16px/1.4 var(--body);color:var(--ink);resize:none;
  transition:border-color .18s, background .18s;
}
.lead input::placeholder,.lead textarea::placeholder{color:color-mix(in srgb, var(--ink) 35%, transparent)}
.lead input:focus,.lead textarea:focus{outline:0;border-color:var(--accent);background:var(--surface)}
.lead .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.chan{display:flex;gap:8px}
.chan-btn{
  flex:1;padding:12px 10px;border-radius:14px;cursor:pointer;
  border:1px solid var(--line);background:var(--panel);color:var(--dim);
  font:600 15px/1 var(--body);transition:all .18s;
}
.chan-btn:hover{color:var(--ink)}
.chan-btn[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.ferr{margin-top:14px;font-size:14px;color:#D4574E}
[data-theme="dark"] .ferr{color:#FF8A80}
.lead-send{width:100%;margin-top:22px;padding:16px 24px;font-size:16px}
.lead-send[disabled]{opacity:.45;cursor:not-allowed}
.fnote{margin-top:12px;font-size:13px;line-height:1.45;color:var(--faint);text-align:center}
.lead-done{text-align:center;padding:16px 0 6px}
.done-mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  background:var(--accent);color:#fff;font-size:26px;display:grid;place-items:center;
}
.lead-done h3{font-size:26px;font-weight:700;letter-spacing:-.03em}
.lead-done p{margin-top:10px;color:var(--dim);font-size:15.5px}
.lead-done .pill{margin-top:22px}

@media (max-width:900px){
  .modal{padding:12px}
  .modal-card{padding:30px 22px 26px;border-radius:24px;max-height:92vh}
  .lead h3{font-size:24px}
  .lead input[type=text],.lead input[type=email],.lead textarea{font-size:16px}
}

/* ============ Мобильная (по артборду 390) ============ */
@media (max-width:900px){
  main{padding:0 16px}
  .top{padding:20px 20px 12px}
  .nav{display:none}
  .wordmark{font-size:18px}
  .mark{width:22px;height:22px}
  .mark i{width:6px;height:6px}
  .pill-dark{padding:10px 18px;font-size:13px}

  .hero{padding-top:8px}
  .hero-copy{padding:108px 24px 40px}
  .eyebrow{font-size:10px}
  .hero h1{margin-top:14px;font-size:44px;line-height:.98;letter-spacing:-.04em}
  .hero-sub{margin-top:16px;font-size:15px;line-height:1.45}
  .hero-cta{flex-direction:column;gap:14px;margin-top:24px}
  .pill-light{padding:14px 26px;font-size:15px}
  .quiet-link{font-size:14px;border-bottom:0}
  .hero-hint{margin-top:72px;font-size:9px}

  .intro{padding:56px 8px 48px}
  .intro h2{font-size:30px;line-height:1.14;text-align:left}

  .features{gap:16px}
  .sect-head{padding:0 4px 2px}
  .tile{padding:28px 24px;border-radius:28px}
  .tile h3{font-size:26px}
  .tile p{margin-top:12px;font-size:15px;line-height:1.45}

  .tile-chat{grid-template-columns:1fr;gap:22px}
  .net-badge{display:none}
  .chat-panel{padding:18px;border-radius:20px;min-height:250px;gap:12px}
  .msg.user{max-width:240px;padding:13px 16px;border-radius:16px 16px 4px 16px;font-size:14px;line-height:1.4}
  .msg.typing{padding:14px 16px;border-radius:16px 16px 16px 4px}
  .msg.typing span{font-size:13px}
  .dot{width:7px;height:7px}
  .msg.bot{padding:16px;border-radius:16px 16px 16px 4px;font-size:14px}
  .src{padding:8px 13px;font-size:11px}
  .chat-foot{padding-top:10px}

  .grid2{grid-template-columns:1fr;gap:16px}
  .grid2 .tile{min-height:0;gap:22px}
  .zero{font-size:128px;line-height:.78}
  .zero-label{margin:0 0 8px;font-size:13px;line-height:1.4}
  .r1{right:-80px;top:-80px;width:220px;height:220px}
  .r2{right:-36px;top:-36px;width:140px;height:140px}

  .pyr-stage{height:250px;perspective:820px}
  .pyr{width:286px;height:212px;transform:rotateX(12deg) rotateY(-25deg)}
  .lvl{height:52px;font-size:18px}
  .lvl.l3{left:0;top:146px;width:286px}
  .lvl.l2{left:29px;top:74px;width:228px}
  .lvl.l1{left:58px;top:2px;width:170px}

  .tile-council{grid-template-columns:1fr;gap:22px;align-items:start}
  .council-stage{height:auto;display:flex;flex-direction:column;gap:12px}
  .pcard{position:static;width:auto;padding:14px;border-radius:18px;transform:none !important}
  .pcard b{margin-top:10px;font-size:13px}
  .pcard.c1>span,.pcard.c2>span,.pcard.c3>span{display:none}
  .council-stage{flex-direction:row;flex-wrap:wrap}
  .pcard.c1,.pcard.c2,.pcard.c3{flex:1 1 0}
  .pava{width:28px;height:28px}
  .pcard.advisor{flex:1 1 100%;padding:18px;border-radius:20px;gap:12px}
  .pava.a0{width:36px;height:36px}
  .pcard.advisor b{font-size:15px}
  .pcard.advisor .adv-text span{display:inline;font-size:12px}

  .how{padding:64px 0 0}
  .steps{grid-template-columns:1fr;gap:24px;margin-top:22px}
  .step h4{font-size:22px}

  .facts{margin-top:56px;font-size:10px;line-height:2.1}
  .facts span{margin:0 10px}

  .showcase{padding-top:56px}
  .app-tile{padding:24px 16px 0}
  .app-body{grid-template-columns:minmax(0,1fr)}
  .app-rail,.app-side{display:none}
  .app-chat{padding:18px 16px}
  .app-q,.app-a{font-size:13.5px}

  .faq{padding:64px 0 0}
  .faq summary{font-size:17px;padding:18px 40px 18px 2px}
  .faq .fa > p{font-size:15px;padding-right:20px}

  .cta-final{padding-top:64px}
  .cta-copy{padding:56px 24px 64px}
  .cta-copy p{font-size:15px;margin:14px 0 26px}

  .agents{grid-template-columns:1fr;gap:10px;margin-top:22px}
  .acard{padding:16px 18px}
  .agents.cols3{
    display:flex;gap:12px;margin:22px -24px 0 0;padding:4px 24px 8px 0;
    overflow-x:auto;-webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory;
    scrollbar-width:none;
  }
  .agents.cols3::-webkit-scrollbar{display:none}
  .agents.cols3 .acard{flex:0 0 76%;scroll-snap-align:start}
  .theme-btn{width:34px;height:34px}

  .foot{margin-top:64px;padding:28px 4px 40px;flex-direction:column;align-items:flex-start;gap:18px}
  .foot-right{text-align:left}
  .foot-note{font-size:15px}
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .dot{animation:none}
  .play .msg.typing,.play .msg.bot,.play .src:nth-child(1),.play .src:nth-child(2){animation:none}
  .net-glow svg *,.net-base svg *{animation:none !important}
  .pcard{transition:none}
}

/* ============ q-vant: плитка-анонс приложения ============ */
.tile-qvant{position:relative;overflow:visible;min-height:300px;display:flex;align-items:center;padding:52px 320px 52px 220px}
.qv-big{position:absolute;right:52px;top:50%;transform:translateY(-50%);width:216px;height:216px;color:var(--accent)}
.qv-icon{
  /* «иконка приложения»: цвет обратный блоку, со сдвигом в нижний левый угол */
  position:absolute;left:-26px;bottom:-26px;width:136px;height:136px;border-radius:33px;
  background:#FFFFFF;color:var(--accent);display:grid;place-items:center;
  box-shadow:0 30px 70px rgba(24,21,48,.28);
}
.qv-icon svg{width:86px;height:86px}
.qv-text h3{margin-top:10px}
.qv-text p{max-width:520px}
.qv-more{display:inline-block;margin-top:18px;color:var(--accent-hi);font-weight:600;text-decoration:none}
.qv-more:hover{color:#FFFFFF}
@media (max-width:900px){
  .tile-qvant{padding:44px 28px 104px;min-height:0}
  .qv-big{right:16px;top:20px;transform:none;width:104px;height:104px;opacity:.55}
  .qv-icon{left:-14px;bottom:-20px;width:100px;height:100px;border-radius:25px}
  .qv-icon svg{width:64px;height:64px}
}
a.tile-qvant{ text-decoration:none; color:var(--on-dark); cursor:pointer }
a.tile-qvant:hover .qv-more{ color:#FFFFFF }
a.tile-qvant:hover .qv-big{ color:var(--accent-hi) }