/* Algorithms.kz — стили сайта. Цвета взяты из логотипа. */
@font-face{font-family:"Manrope";font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/fonts/manrope-cyrillic-ext-wght-normal.woff2) format("woff2");unicode-range:U+0460-052F,U+1C80-1C88,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}
@font-face{font-family:"Manrope";font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/fonts/manrope-cyrillic-wght-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Manrope";font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/fonts/manrope-latin-wght-normal.woff2) format("woff2");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+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --ink:#0A1B3D;
  --text:#2B3A55;
  --muted:#5A6A85;
  --line:#E1E7F0;
  --bg:#FFFFFF;
  --bg-soft:#F4F7FC;
  --blue:#0A7CFF;
  --blue-700:#0062D1;
  --cyan:#19C9C9;
  --grad:linear-gradient(120deg,#0A7CFF 0%,#16B4E6 55%,#19D3C5 100%);
  --navy-grad:linear-gradient(135deg,#071636 0%,#0B2559 100%);
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(10,27,61,.05),0 10px 30px rgba(10,27,61,.07);
  --wrap:1180px;
  --font:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.6;color:var(--text);background:var(--bg);font-feature-settings:"tnum" 0}
img,svg{display:block;max-width:100%}
a{color:var(--blue-700);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;margin:0 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(32px,5vw,54px);font-weight:800}
h2{font-size:clamp(26px,3.3vw,38px);font-weight:800}
h3{font-size:20px;font-weight:700;letter-spacing:-.005em}
p{margin:0 0 1em}
ul{margin:0;padding:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:12px;top:12px}
:focus-visible{outline:3px solid #7FB6FF;outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.muted{color:var(--muted)}
.small{font-size:14px}

/* ---------- кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:12px;font:inherit;font-weight:700;font-size:16px;line-height:1.2;border:1.5px solid transparent;cursor:pointer;text-decoration:none!important;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(10,124,255,.28)}
.btn-primary:hover{background:var(--blue-700);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:#B9C6DA}
.btn-light{background:#fff;color:var(--ink)}
.btn-outline-light{color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{border-color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- шапка ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:20px;min-height:76px}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo img{height:40px;width:auto}
.partner-badge{display:inline-flex;align-items:center;gap:8px;flex-shrink:0;padding:6px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;font-weight:700;color:var(--ink);white-space:nowrap;text-decoration:none!important;background:#fff}
.partner-badge img{height:30px;width:auto}
.partner-badge .pb-dot{width:8px;height:8px;border-radius:50%;background:var(--grad)}
.partner-badge.has-img{padding:0;border:0;background:transparent}
.partner-badge.has-img .pb-text{display:none}
.partner-logo.has-img .pb-text{display:none}
.main-nav{margin-left:auto}
.main-nav ul{list-style:none;display:flex;gap:4px}
.main-nav a{display:block;padding:10px 12px;border-radius:10px;color:var(--ink);font-weight:600;font-size:15px}
.main-nav a:hover{background:var(--bg-soft);text-decoration:none}
.main-nav a[aria-current="page"]{color:var(--blue-700);background:#EAF3FF}
.header-contacts{display:flex;align-items:center;gap:14px}
.header-phone{font-weight:800;color:var(--ink);white-space:nowrap;font-size:15px}
.header-contacts .btn{min-height:42px;padding:9px 16px;font-size:15px}
.menu-toggle{display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center}
.menu-toggle svg{width:22px;height:22px;color:var(--ink)}
.mobile-only{display:none}

/* ---------- секции ---------- */
.section{padding:88px 0}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head p{font-size:18px;color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-700);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 88px;background:
  radial-gradient(700px 420px at 92% -10%,rgba(25,211,197,.16),transparent 60%),
  radial-gradient(640px 520px at 78% 40%,rgba(10,124,255,.12),transparent 62%),#fff}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1 .accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:19px;color:var(--text);max-width:600px;margin-bottom:28px}
.hero-facts{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:12px 36px;margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.hero-facts b{display:block;font-size:24px;color:var(--ink);font-weight:800;line-height:1.15;white-space:nowrap}
.hero-facts span{font-size:14px;color:var(--muted)}
.page-hero{padding:56px 0 64px}
.page-hero .hero-lead{max-width:760px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.slogan{font-weight:700;color:var(--ink);margin-top:18px;font-size:15px}
/* официальный логотип Битрикс24: охранное поле не меньше высоты прописной буквы */
.b24-logo{height:40px;width:auto;margin:6px 0 30px}
.b24-card{display:flex;flex-direction:column;align-items:center;gap:22px;text-align:center;font-weight:700;color:var(--ink);font-size:17px;padding:28px}
.b24-card img{height:44px;width:auto}

/* иллюстрация воронки (собственный рисунок, не интерфейс вендора) */
.mock{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:18px}
.mock-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.mock-title{font-weight:800;color:var(--ink);font-size:15px}
.mock-pill{font-size:12px;font-weight:700;color:var(--blue-700);background:#EAF3FF;border-radius:999px;padding:4px 10px}
.mock-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.mock-col{background:var(--bg-soft);border-radius:12px;padding:8px}
.mock-col h4{font-size:11.5px;font-weight:800;margin:2px 2px 8px;color:var(--muted);letter-spacing:0;line-height:1.25;min-height:28px}
.mock-col h4::before{content:"";display:block;height:4px;border-radius:4px;margin-bottom:7px;background:var(--c,#0A7CFF)}
.mock-card{background:#fff;border-radius:9px;padding:8px;margin-bottom:7px;box-shadow:0 1px 2px rgba(10,27,61,.06)}
.mock-card i{display:block;height:6px;border-radius:4px;background:#E3E9F3;margin-bottom:5px}
.mock-card i:nth-child(2){width:62%;margin-bottom:0}
.mock-float{position:absolute;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:10px 14px;font-size:13px;font-weight:700;color:var(--ink);max-width:270px;line-height:1.3}
.mock-float .ic{flex-shrink:0;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--grad);color:#fff}
.mock-float .ic svg{width:16px;height:16px}
.mock-float small{display:block;font-weight:600;color:var(--muted);font-size:12px}
.mf-1{left:-34px;bottom:-26px}
.mf-2{right:-18px;top:-58px}
.mock{margin-top:40px}

/* ---------- карточки ---------- */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card h3{margin-bottom:8px}
.card p{margin:0;color:var(--text);font-size:16px}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-weight:700;font-size:15px}
.card .more svg{width:16px;height:16px}
.icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--grad);color:#fff;margin-bottom:18px;flex-shrink:0}
.icon svg{width:23px;height:23px}
.icon-soft{background:#EAF3FF;color:var(--blue-700)}

/* этапы */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:st;list-style:none;margin:0;padding:0}
.steps li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 24px 24px 76px}
.steps li::before{counter-increment:st;content:counter(st);position:absolute;left:22px;top:22px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--ink)}
.steps.cols-4{grid-template-columns:repeat(4,1fr)}
.steps.cols-4 li{padding:78px 22px 24px}
.steps.cols-2{grid-template-columns:repeat(2,1fr)}
.steps h3{font-size:18px;margin-bottom:6px}
.steps p{margin:0;font-size:15.5px}

/* навигационная полоса по возможностям */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips a{display:inline-block;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:600;font-size:14.5px}
.chips a:hover{border-color:var(--blue);text-decoration:none}

/* блок возможности */
.feature{display:grid;grid-template-columns:300px 1fr;gap:40px;padding:44px 0;border-top:1px solid var(--line);scroll-margin-top:96px}
.feature:first-child{border-top:0;padding-top:0}
.feature h2{font-size:clamp(24px,2.6vw,30px)}
.feature-lead{font-size:16.5px;color:var(--muted)}
.checklist{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 28px}
.checklist li{position:relative;padding-left:30px;font-size:16px}
.checklist li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:6px;background:#E3F7F5 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230A9A92' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E") center/12px no-repeat}
.we-do{margin-top:20px;padding:14px 18px;border-radius:12px;background:#EAF3FF;color:var(--ink);font-size:15.5px}
.we-do b{color:var(--blue-700)}

/* тарифы */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.plan{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.plan.featured{border:2px solid var(--blue);box-shadow:0 10px 30px rgba(10,124,255,.12)}
.plan-name{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:4px}
.plan-for{font-size:14.5px;color:var(--muted);min-height:44px;margin-bottom:16px;line-height:1.45}
.plan-price{font-size:30px;font-weight:800;color:var(--ink);line-height:1.1}
.plan-price small{font-size:15px;font-weight:700;color:var(--muted)}
.plan-sub{font-size:14px;color:var(--muted);margin:6px 0 16px;line-height:1.45}
.plan-specs{list-style:none;border-top:1px solid var(--line);padding-top:14px;margin-bottom:20px;font-size:15px}
.plan-specs li{display:flex;justify-content:space-between;gap:10px;padding:4px 0}
.plan-specs b{color:var(--ink);text-align:right}
.plan .btn{margin-top:auto}
.enterprise{margin-top:16px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px}
.enterprise b{color:var(--ink)}
.enterprise > div{flex:1 1 520px}
.vat-note{margin-top:18px;display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:12px;background:#FFF8E6;border:1px solid #F4E2B0;color:#5B4A12;font-size:15px}
.vat-note b{color:#3D3108}
.vat-note svg{width:22px;height:22px;flex-shrink:0;margin-top:1px;color:#A07B10}

/* таблицы */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;font-size:16px}
th,td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:800;background:var(--bg-soft)}
tr:last-child td{border-bottom:0}
td.price{font-weight:800;color:var(--ink);white-space:nowrap}
.req th{width:38%;text-transform:none;letter-spacing:0;font-size:15px;color:var(--muted);background:#fff;font-weight:600}
.req td{font-weight:700;color:var(--ink)}
mark.todo{background:#FFF1C2;color:#6B4E00;border-radius:4px;padding:0 4px;font-weight:700}

/* тёмная полоса */
.band{background:var(--navy-grad);color:#CFD9EC;border-radius:24px;padding:56px;position:relative;overflow:hidden}
.band::after{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(25,211,197,.35),transparent 65%)}
.band h2{color:#fff}
.band p{font-size:18px;max-width:640px}
.band .chips a{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:#fff}
.band > *{position:relative;z-index:1}

/* кейс */
.case{display:grid;grid-template-columns:1fr 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.case-l{padding:40px;background:var(--bg-soft)}
.case-r{padding:40px}
.case-name{font-size:28px;font-weight:800;color:var(--ink);margin-bottom:6px}
.case-r ul{list-style:none}
.case-r li{padding:12px 0;border-bottom:1px solid var(--line)}
.case-r li:last-child{border-bottom:0}
.case-r b{display:block;color:var(--ink)}

/* FAQ */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;list-style:none;font-weight:700;color:var(--ink);font-size:18px;padding:16px 40px 16px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:12px;font-size:26px;font-weight:500;color:var(--blue)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 18px;color:var(--text)}

/* заявка */
.lead-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-list{list-style:none;margin-top:26px}
.contact-list li{display:flex;gap:14px;align-items:flex-start;padding:12px 0}
.contact-list .icon{margin:0;width:40px;height:40px;border-radius:11px}
.contact-list .icon svg{width:19px;height:19px}
.contact-list b{display:block;color:var(--ink);font-size:17px}
.contact-list span{font-size:14px;color:var(--muted)}
.form-box{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:28px;min-height:240px}
.form-fallback h3{margin-bottom:6px}
.form-fallback .btn-row{margin-top:18px}
.consent{font-size:13.5px;color:var(--muted);margin-top:16px;line-height:1.5}

/* правовой текст */
.legal{max-width:860px}
.legal h2{font-size:24px;margin-top:40px}
.legal h3{font-size:18px;margin-top:24px}
.legal ol,.legal ul{padding-left:22px;margin:0 0 1em}
.legal li{margin-bottom:6px}

/* подвал */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:56px 0 28px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-grid h4{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:var(--ink)}
.footer-logo img{height:38px;width:auto;margin-bottom:14px}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);display:grid;gap:8px}

/* ---------- адаптив ---------- */
@media (max-width:1080px){
  .header-phone{display:none}
  .plans{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .menu-toggle{display:inline-flex}
  .main-nav,.header-contacts{display:none}
  .site-header.open .main-nav{display:block;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 18px;box-shadow:0 12px 24px rgba(10,27,61,.08)}
  .site-header.open .main-nav ul{flex-direction:column}
  .site-header.open .main-nav a{padding:13px 12px;font-size:17px}
  .mobile-only{display:block}
  .header-row{gap:12px}
  .hero-grid,.lead-grid,.case{grid-template-columns:1fr}
  .hero-grid{gap:56px}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .steps,.steps.cols-4{grid-template-columns:1fr 1fr}
  .feature{grid-template-columns:1fr;gap:12px}
  .mf-1{left:-8px}
  .mf-2{right:-6px}
  .hero-facts{grid-template-columns:repeat(3,auto)}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .section{padding:60px 0}
  .hero{padding:40px 0 64px}
  .logo img{height:32px}
  .partner-badge{font-size:12px;padding:5px 10px}
  .partner-badge img{height:26px}
  .grid-2,.grid-3,.grid-4,.steps,.steps.cols-4,.steps.cols-2,.plans,.checklist,.footer-grid{grid-template-columns:1fr}
  .mock-cols{grid-template-columns:repeat(2,1fr)}
  .mock-col:nth-child(n+3){display:none}
  .hero-facts{grid-template-columns:1fr 1fr;gap:18px 20px}
  .hero-facts b{font-size:20px}
  .steps.cols-4 li{padding:20px 20px 20px 70px}
  .mock{margin-top:0}
  .mock-float{position:relative;left:auto;right:auto;top:auto;bottom:auto;margin-top:12px;max-width:none}
  .band{padding:36px 22px;border-radius:18px}
  .case-l,.case-r{padding:26px}
  .btn-row .btn{flex:1 1 100%}
  .card{padding:22px}
  .steps li{padding:20px 20px 20px 70px}
  th,td{padding:12px 14px}
}
@media (max-width:380px){
  .partner-badge .pb-text{font-size:11px}
  .logo img{height:28px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}