/* SidaevCom · SEO — тёмная основа со светлыми полосами, как на bitrix24.sidaev.com.
   Montserrat, красный акцент, «стекло», косые полосы фирменного знака. */
:root{
  --bg:#0B0B0D; --bg-deep:#060607; --stripe:#1C1C20; --stripe-2:#18181C;
  --ink:#FFFFFF; --ink-2:rgba(255,255,255,.8); --ink-3:rgba(255,255,255,.66);
  --red:#E30613; --red-d:#C8000F; --red-l:#FF5A63; --dot:#FF3B46;
  --lt:#F3F3F4; --lt-2:#FFFFFF; --lt-stripe:#DCDCDF; --lt-line:#E2E2E4;
  --dark:#111111; --dark-2:#2A2A2A; --txt:#3A3A3A; --txt-2:#333333; --mute:#5A5A66;
  --font:'Montserrat', 'Segoe UI', Arial, sans-serif;
  --wrap:1280px;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.5;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
img{max-width:100%;display:block}
a{color:var(--red-l)}a:hover{color:var(--ink)}
.lt a{color:var(--red-d)}.lt a:hover{color:var(--dark)}
h1,h2,h3{margin:0;text-wrap:balance}
p{margin:0}
:focus-visible{outline:3px solid var(--red-l);outline-offset:3px;border-radius:8px}
.wrap{position:relative;max-width:var(--wrap);margin:0 auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
.wrap-n{max-width:1080px}
section{position:relative}
.sec{padding-block:120px;overflow:hidden}
.lt{background:var(--lt);color:var(--dark)}
.white{background:var(--lt-2);color:var(--dark)}

/* decor */
.skew{position:absolute;transform:skewX(-32deg);pointer-events:none}
.glow{position:absolute;border-radius:50%;filter:blur(160px);pointer-events:none}

/* glass */
.glass{position:relative;background:linear-gradient(140deg,rgba(255,255,255,.16),rgba(255,255,255,.045) 55%,rgba(255,255,255,.08));-webkit-backdrop-filter:blur(26px) saturate(175%);backdrop-filter:blur(26px) saturate(175%);border:1px solid rgba(255,255,255,.2);box-shadow:inset 0 1px 0 rgba(255,255,255,.38),inset 0 -1px 0 rgba(255,255,255,.06),0 30px 70px -28px rgba(0,0,0,.75)}
.glass::before{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(120% 70% at 15% 0%,rgba(255,255,255,.2),rgba(255,255,255,0) 55%);pointer-events:none}
.glass>*{position:relative}
.glass-l{position:relative;background:linear-gradient(140deg,rgba(255,255,255,.82),rgba(255,255,255,.5));-webkit-backdrop-filter:blur(22px) saturate(160%);backdrop-filter:blur(22px) saturate(160%);border:1px solid rgba(255,255,255,.95);box-shadow:inset 0 1px 0 #FFFFFF,0 26px 60px -30px rgba(17,17,17,.35)}

/* type */
.eyebrow{font-size:15px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--red-l)}
.lt .eyebrow,.white .eyebrow{color:var(--red-d)}
.h1{font-size:clamp(38px,5.6vw,78px);line-height:1.04;font-weight:800;letter-spacing:-.02em}
.h2{font-size:clamp(32px,4.4vw,58px);line-height:1.08;font-weight:800;letter-spacing:-.015em}
.lead{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:var(--ink-2);max-width:680px}
.lt .lead,.white .lead{color:var(--txt)}
.head{display:flex;flex-direction:column;gap:20px;max-width:880px}
.stack{display:flex;flex-direction:column;gap:56px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:60px;padding:0 30px;border-radius:999px;font-family:inherit;font-weight:700;font-size:17px;text-decoration:none;border:0;cursor:pointer;transition:transform .2s ease,background .2s ease;text-align:center;line-height:1.2}
.btn:hover{transform:translateY(-2px)}
.btn-red,a.btn-red{background:var(--red);color:#FFFFFF;box-shadow:0 16px 34px -12px rgba(227,6,19,.8),inset 0 1px 0 rgba(255,255,255,.35)}
.btn-red:hover,a.btn-red:hover{background:var(--red-d);color:#FFFFFF}
.btn-ghost,a.btn-ghost{color:#FFFFFF;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}
.btn-ghost:hover,a.btn-ghost:hover{background:rgba(255,255,255,.18);color:#FFFFFF}
.btn-dark,a.btn-dark{background:var(--dark);color:#FFFFFF}
.btn-dark:hover,a.btn-dark:hover{background:var(--dark-2);color:#FFFFFF}
.btn-sm{min-height:48px;padding:0 22px;font-size:15px}
.btns{display:flex;flex-wrap:wrap;gap:14px}

/* header */
.hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(11,11,13,.7);-webkit-backdrop-filter:blur(22px) saturate(170%);backdrop-filter:blur(22px) saturate(170%);border-bottom:1px solid rgba(255,255,255,.12)}
.hdr .wrap{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo img{height:32px;width:auto}
.nav{display:flex;gap:30px}
.nav a{color:rgba(255,255,255,.86);text-decoration:none;font-weight:600;font-size:15px}
.nav a:hover{color:#FFFFFF}
.hdr-r{display:flex;align-items:center;gap:20px}
.hphone{color:#FFFFFF;text-decoration:none;font-weight:700;font-size:17px;white-space:nowrap}

/* hero */
.hero{padding-block:88px 104px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.hero-l{display:flex;flex-direction:column;gap:30px;min-width:0}
.pill{align-self:flex-start;border-radius:999px;padding:11px 20px;display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700;letter-spacing:.02em}
.pill i{width:10px;height:10px;border-radius:50%;background:var(--dot);box-shadow:0 0 0 5px rgba(227,6,19,.25);flex:none}
.h1 em{font-style:normal;color:var(--red-l)}
.ticks{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:12px 26px;font-size:16px;color:var(--ink-2)}
.ticks li{display:flex;gap:10px;align-items:center}
.ticks svg{flex:none}

/* SERP mock in hero */
.serp{border-radius:22px;padding:18px 20px;display:flex;flex-direction:column;gap:10px;max-width:560px}
.serp-q{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:14px;color:var(--ink-3);font-weight:600}
.serp-q b{color:#FFFFFF;font-weight:700}
.serp-row{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.05);font-size:14px}
.serp-row.you{background:rgba(227,6,19,.18);border:1px solid rgba(255,90,99,.55)}
.serp-row .pos{font-weight:900;color:var(--ink-3)}
.serp-row.you .pos{color:#FFFFFF}
.serp-row .t{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}
.serp-row .tag{font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--red-l);white-space:nowrap}

/* forms */
.card-form{border-radius:32px;padding:clamp(24px,3vw,42px);display:flex;flex-direction:column;gap:20px;min-width:0}
.form{display:flex;flex-direction:column;gap:18px}
.fgroup{display:flex;flex-direction:column;gap:8px}
.lbl{font-size:14px;font-weight:600;color:rgba(255,255,255,.82)}
.field{width:100%;min-height:58px;padding:0 20px;border-radius:16px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#FFFFFF;font-family:inherit;font-size:17px;font-weight:500;outline:none;transition:border-color .2s,background .2s}
.field::placeholder{color:rgba(255,255,255,.55)}
.field:focus{border-color:var(--red-l);background:rgba(255,255,255,.13)}
.field.err{border-color:var(--red-l);background:rgba(227,6,19,.12)}
textarea.field{padding:16px 20px;min-height:110px;resize:vertical;line-height:1.5}
.send{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(190px,100%),1fr));gap:12px}
.send .btn{width:100%;padding:0 16px}
.note{font-size:13px;line-height:1.5;color:rgba(255,255,255,.6)}
.form-msg{font-size:14px;color:var(--red-l);font-weight:600;min-height:0}
.chk-row{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.5;color:rgba(255,255,255,.78);cursor:pointer}
.chk{width:22px;height:22px;accent-color:var(--red);flex:none;margin:1px 0 0}
.done{display:flex;flex-direction:column;gap:16px;padding:28px 0}
.done-ic{width:72px;height:72px;border-radius:50%;background:var(--red);display:flex;align-items:center;justify-content:center}
.done h3{font-size:30px;font-weight:800}
.done p{font-size:17px;line-height:1.55;color:var(--ink-2)}
.kicker{font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--red-l)}

/* facts */
.facts{margin-top:72px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.fact{border-radius:24px;padding:24px 26px}
.fact b{display:block;font-size:40px;font-weight:900;line-height:1}
.fact b.sm{font-size:24px;line-height:1.15;font-weight:800}
.fact span{display:block;font-size:15px;color:rgba(255,255,255,.72);margin-top:10px;line-height:1.4}

/* grids & cards */
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.pain{border-radius:28px;padding:30px;display:flex;flex-direction:column;gap:12px}
.pain h3{font-size:22px;font-weight:800;line-height:1.25}
.pain p{font-size:17px;line-height:1.55;color:var(--txt)}
.pain svg{flex:none}
.bar-cta{background:var(--dark);color:#FFFFFF;border-radius:28px;padding:30px 34px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
.bar-cta p{font-size:clamp(19px,1.8vw,25px);line-height:1.4;font-weight:700;max-width:760px}

.svc{border-radius:30px;padding:32px;display:flex;flex-direction:column;gap:14px}
.ic{width:58px;height:58px;border-radius:18px;background:var(--red);display:flex;align-items:center;justify-content:center;flex:none}
.svc h3{font-size:23px;font-weight:800;line-height:1.2}
.svc p{font-size:17px;line-height:1.55;color:var(--ink-2)}
.svc ul{margin:4px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.svc li{font-size:13px;font-weight:600;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.88)}

/* difference */
.diff{border-radius:40px;padding:clamp(26px,4.5vw,64px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.diff-l{display:flex;flex-direction:column;gap:22px}
.diff-l p{font-size:19px;line-height:1.6;color:var(--ink-2)}
.diff-pts{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px;font-size:17px;line-height:1.45}
.diff-pts li{display:flex;gap:12px}
.diff-pts li::before{content:"";flex:none;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--red-l)}
.funnel{display:flex;flex-direction:column;gap:12px}
.funnel-cap{font-size:13px;font-weight:700;color:rgba(255,255,255,.7);letter-spacing:.08em;text-transform:uppercase}
.frow{display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;align-items:center}
.frow span{font-size:15px;font-weight:600}
.frow small{display:block;font-size:12px;color:var(--ink-3);font-weight:500}
.fbar{height:44px;border-radius:14px;background:rgba(255,255,255,.85)}
.fbar.b2{width:72%;background:rgba(255,255,255,.6)}
.fbar.b3{width:44%;background:rgba(255,255,255,.38)}
.fbar.b4{width:26%;background:var(--red);box-shadow:0 10px 30px -8px rgba(227,6,19,.8)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.chips span{padding:9px 15px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);font-size:14px;font-weight:600}

/* neuro */
.neuro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
.alice{position:relative;overflow:hidden;background:var(--dark);color:#FFFFFF;border-radius:32px;padding:34px;display:flex;flex-direction:column;gap:16px}
.alice>*:not(.skew),.repcard>*:not(.skew){position:relative;z-index:1}
.alice-q{align-self:flex-end;max-width:85%;background:rgba(255,255,255,.12);border-radius:20px 20px 6px 20px;padding:14px 18px;font-size:16px;font-weight:600}
.alice-a{max-width:92%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px 20px 20px 6px;padding:16px 18px;font-size:16px;line-height:1.55;color:rgba(255,255,255,.86)}
.src{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.src span{font-size:12px;font-weight:700;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.08);color:rgba(255,255,255,.75)}
.src span.me{background:var(--red);color:#FFFFFF}
.rows{display:flex;flex-direction:column}
.rowi{display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--lt-line)}
.rowi:last-child{border-bottom:0}
.rowi .n{font-size:36px;font-weight:900;color:var(--red);line-height:1;width:54px;flex:none}
.rowi h3{font-size:22px;font-weight:800;margin-bottom:6px}
.rowi p{font-size:17px;line-height:1.55;color:var(--txt)}

/* process */
.steps{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.step{border-radius:28px;padding:28px 24px;display:flex;flex-direction:column;gap:12px}
.step.first{border-color:rgba(227,6,19,.7)}
.num{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;font-size:21px;font-weight:900}
.step.first .num{background:var(--red);border-color:var(--red)}
.step h3{font-size:20px;font-weight:800;line-height:1.25}
.step p{font-size:16px;line-height:1.5;color:var(--ink-2)}
.when{align-self:flex-start;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:6px 11px;border-radius:999px;background:rgba(255,90,99,.16);color:var(--red-l)}
.timeline-note{font-size:17px;line-height:1.55;color:var(--ink-2);max-width:900px}

/* report & guarantees */
.rep{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
.repcard{position:relative;overflow:hidden;background:var(--dark);color:#FFFFFF;border-radius:32px;padding:32px;display:flex;flex-direction:column;gap:18px}
.repcard h3{font-size:20px;font-weight:800}
.kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.kpi{border-radius:18px;padding:16px 18px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14)}
.kpi small{display:block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.62)}
.kpi b{display:block;font-size:18px;font-weight:800;margin-top:6px}
.guar{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:14px}
.guar li{display:flex;gap:16px;align-items:flex-start;border-radius:22px;padding:20px 22px}
.guar svg{flex:none;margin-top:2px}
.guar b{display:block;font-size:19px;font-weight:800;margin-bottom:4px}
.guar span{font-size:16px;line-height:1.5;color:var(--txt)}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
.plan{border-radius:32px;padding:34px;display:flex;flex-direction:column;gap:20px}
.plan h3{font-size:26px;font-weight:800}
.plan .who{font-size:16px;line-height:1.5;color:var(--txt)}
.plan .price{font-size:34px;font-weight:900;line-height:1.1}
.plan .price small{font-size:17px;font-weight:700}
.plan ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:11px;font-size:16px;line-height:1.45;flex:1}
.plan li{display:flex;gap:12px}
.plan li::before{content:"—";color:var(--red-d);font-weight:900;flex:none}
.plan .btn{width:100%}
.plan.hot{position:relative;overflow:hidden;background:var(--dark);color:#FFFFFF;box-shadow:0 30px 70px -30px rgba(17,17,17,.6)}
.plan.hot .who{color:rgba(255,255,255,.8)}
.plan.hot li::before{color:var(--red-l)}
.plan.hot>*:not(.skew){position:relative;z-index:1}
.badge{align-self:flex-start;padding:6px 14px;border-radius:999px;background:var(--red);color:#FFFFFF;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.fine{font-size:16px;line-height:1.55;color:var(--txt)}

/* quiz */
.quiz{border-radius:40px;padding:clamp(24px,4.5vw,58px);display:flex;flex-direction:column;gap:28px}
.prog-top{display:flex;justify-content:space-between;font-size:14px;font-weight:700;color:rgba(255,255,255,.75)}
.prog{height:8px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden}
.prog i{display:block;height:100%;width:0;border-radius:999px;background:var(--red);transition:width .3s}
.qstep{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:16px;min-width:0}
.qstep legend{font-size:23px;font-weight:800;margin-bottom:16px;padding:0}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:12px}
.opt{min-height:62px;padding:12px 20px;border-radius:18px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.07);color:#FFFFFF;font-family:inherit;font-size:17px;font-weight:600;cursor:pointer;text-align:left;transition:background .2s,border-color .2s;line-height:1.3}
.opt:hover{background:rgba(255,255,255,.14)}
.opt.on{background:var(--red);border-color:var(--red)}
.qnav{display:flex;flex-wrap:wrap;gap:12px}
.qnav .btn{min-height:54px}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:14px}

/* faq */
.faqs{display:flex;flex-direction:column;gap:12px}
.faq{border-radius:24px;padding:0 26px}
.faq summary{list-style:none;cursor:pointer;min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:20px;font-weight:700;color:var(--dark);padding-block:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:44px;height:44px;border-radius:50%;background:var(--dark);color:#FFFFFF;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:500;transition:transform .25s}
.faq[open] summary::after{transform:rotate(45deg);background:var(--red)}
.faq p{margin:0 0 24px;font-size:17px;line-height:1.6;color:var(--txt-2);max-width:860px}

/* final */
.final{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.final-l{display:flex;flex-direction:column;gap:26px}
.contacts{border-radius:28px;padding:26px 28px;display:flex;flex-direction:column;gap:16px;max-width:520px}
.contacts a{display:flex;flex-direction:column;gap:3px;text-decoration:none;color:#FFFFFF}
.contacts a span{font-size:13px;color:rgba(255,255,255,.68);font-weight:600}
.contacts a b{font-size:22px;font-weight:800}

/* footer */
.ftr{background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.08);padding-block:56px calc(40px + env(safe-area-inset-bottom,0px))}
.ftr-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
.ftr h4{margin:0 0 6px;font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.ftr-col{display:flex;flex-direction:column;gap:10px;font-size:16px;color:rgba(255,255,255,.78);line-height:1.5}
.ftr-col a{color:#FFFFFF;text-decoration:none;font-weight:700}
.ftr-col a:hover{color:var(--red-l)}
.ftr-bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:24px;margin-top:36px;border-top:1px solid rgba(255,255,255,.1);font-size:14px;color:rgba(255,255,255,.6)}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:rgba(255,255,255,.78);text-decoration:underline;cursor:pointer}
.linkbtn:hover{color:#FFFFFF}

/* privacy modal */
.modal{position:fixed;inset:0;z-index:80;background:rgba(6,6,7,.7);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.modal-box{background:var(--lt-2);color:var(--dark);border-radius:28px;max-width:640px;width:100%;max-height:86vh;overflow:auto;padding:34px;display:flex;flex-direction:column;gap:14px}
.modal-box h2{font-size:24px;font-weight:800}
.modal-box p{font-size:15px;line-height:1.6;color:var(--txt)}

/* mobile bar */
.mbar{display:none}

/* reveal */
@media (prefers-reduced-motion:no-preference){
  .rv{animation:rv .7s cubic-bezier(.2,.7,.2,1) both}
  .rv.d1{animation-delay:.08s}.rv.d2{animation-delay:.16s}.rv.d3{animation-delay:.24s}
  @keyframes rv{from{transform:translateY(18px);opacity:.001}to{transform:none;opacity:1}}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* responsive */
@media (max-width:1140px){
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1020px){
  .nav{display:none}
  .hero-grid,.diff,.neuro,.rep,.final{grid-template-columns:minmax(0,1fr)}
  .grid3,.plans{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ftr-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sec{padding-block:96px}
}
@media (max-width:680px){
  .wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .hphone,.hdr .btn{display:none}
  .hdr .wrap{min-height:66px}
  .logo img{height:26px}
  .hero{padding-block:48px 72px}
  .grid3,.plans,.steps,.facts,.ftr-grid,.kpis{grid-template-columns:minmax(0,1fr)}
  .sec{padding-block:76px}
  .stack{gap:40px}
  .btns .btn{width:100%}
  .frow{grid-template-columns:110px minmax(0,1fr)}
  .facts{margin-top:48px}
  .bar-cta .btn{width:100%}
  .faq{padding:0 18px}.faq summary{font-size:17px}
  .mbar{display:grid;grid-template-columns:1fr 1fr;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:55;padding:10px max(12px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(12px,env(safe-area-inset-left,0px));background:rgba(11,11,13,.88);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-top:1px solid rgba(255,255,255,.12)}
  .mbar .btn{min-height:50px;font-size:15px;padding:0 12px;width:100%}
  .ftr{padding-bottom:calc(110px + env(safe-area-inset-bottom,0px))}
  .serp-row .tag{display:none}
  .serp-row{grid-template-columns:24px minmax(0,1fr)}
}