/* alto.codes — фирменный шрифт и базовая палитра */
@font-face{font-family:'Font';src:url('fonts/Font-Regular.woff2') format('woff2'),url('fonts/Font-Regular.woff') format('woff');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Font';src:url('fonts/Font-Bold.woff2') format('woff2'),url('fonts/Font-Bold.woff') format('woff');font-weight:700;font-style:normal;font-display:swap}

:root{
  --ink:#12131A;
  --mute:#8A8C99;
  --line:#E8E9ED;
  --bg:#fff;
  --soft:#F7F8FA;
  --brand:#0173FF;
  --brand-h:#015CCC;
  --brand-a:#014599;
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:'Font',Arial,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.4}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

.caption{font-size:11px;line-height:1.3;letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}

h1,.h1{font-size:34px;line-height:1.03;letter-spacing:-.03em;font-weight:400;margin:0}
h2,.h2{font-size:28px;line-height:1.1;letter-spacing:-.02em;font-weight:400;margin:0}
h3,.h3{font-size:20px;line-height:1.2;font-weight:400;margin:0}
strong,b{font-weight:400}

/* кнопки alto */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background-color:var(--brand);color:#fff;font-size:16px;padding:15px 20px;min-width:0;line-height:24px;border-radius:3px;text-decoration:none;transition:background .25s ease,transform .25s ease,box-shadow .25s ease;border:0}
.btn:hover{background-color:var(--brand-h);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(1,115,255,.55)}
.btn:active{background:var(--brand-a)}
.btn.btn-second{background:transparent;border:1px solid var(--ink);color:var(--ink)}
.btn.btn-second:hover{border-color:var(--brand);color:var(--brand);background:transparent;box-shadow:none}
.btn-outline{display:inline-block;border:1px solid var(--brand);border-radius:60px;padding:5px 20px;color:var(--brand);transition:all .25s ease}
.btn-outline:hover{background:var(--brand);color:#fff}

/* шапка-стаб */
.nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line);padding:14px 20px;display:flex;align-items:center;justify-content:space-between}
.nav.dark{background:rgba(18,19,26,.9);border-bottom-color:rgba(255,255,255,.08)}
.nav.dark .logo{color:#fff}
.nav.dark .burger span{background:#fff}
.logo{font-weight:700;letter-spacing:-.04em;font-size:22px;color:var(--ink)}
.logo b{color:var(--brand)}
.burger{width:24px;height:18px;display:flex;flex-direction:column;justify-content:space-between;cursor:pointer}
.burger span{height:1.5px;background:var(--ink);border-radius:2px;transition:transform .3s ease}

.crumbs{padding:12px 20px 4px;font-size:12px;color:var(--mute);display:flex;gap:6px;align-items:center;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.crumbs::-webkit-scrollbar{display:none}
.crumbs a,.crumbs span{display:inline-block}
.crumbs .sep{opacity:.5}
.crumbs .here{color:var(--ink)}

/* breadcrumb 1:1 с alto.codes */
nav[aria-label="breadcrumb"]{padding:14px 20px 18px;color:var(--mute);font-size:13px}
.breadcrumb{padding:0;margin:0;list-style:none;background:transparent;white-space:nowrap;display:flex;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;line-height:1.3}
.breadcrumb::-webkit-scrollbar{display:none}
.breadcrumb li{display:inline-block;flex-shrink:0}
.breadcrumb li:last-child{text-overflow:ellipsis;max-width:100%;overflow:hidden}
.breadcrumb .breadcrumb-item a{color:var(--mute);text-decoration:none;transition:color .25s}
.breadcrumb .breadcrumb-item a:hover{color:var(--ink)}
.breadcrumb .breadcrumb-item.active{color:var(--ink)}
.breadcrumb-item+.breadcrumb-item::before{content:"→";float:none;padding:0 8px;color:var(--mute)}
.breadcrumb .breadcrumb-item:first-child a{display:inline-flex;align-items:center;font-size:0;line-height:0}
.breadcrumb .breadcrumb-item:first-child a span{display:none}
.breadcrumb .breadcrumb-item:first-child a::before{content:'';display:block;width:16px;height:16px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238A8C99' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z'/%3E%3Cpolyline points='9 22 9 12 15 12 15 22'/%3E%3C/svg%3E");background-size:contain;background-repeat:no-repeat;font-size:14px}

/* анимации */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes scaleIn{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}
@keyframes shimmer{0%{background-position:200% 50%}100%{background-position:-200% 50%}}
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  .reveal,.reveal.in{opacity:1!important;transform:none!important;transition:none!important}
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important;scroll-behavior:auto!important}
}

/* экранные утилиты */
.tabular{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.devnote{display:none!important}