/* ==========================================================================
   pult-kondei.com - light technical design system
   Base: cool steel neutrals. One accent: cyan-700 #0e7490. Mono labels.
   ========================================================================== */

/* --- fonts -------------------------------------------------------------- */
@font-face{
  font-family:"Geist"; font-style:normal; font-weight:100 900; font-display:swap;
  src:url("/assets/fonts/geist-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+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Geist"; font-style:normal; font-weight:100 900; font-display:swap;
  src:url("/assets/fonts/geist-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:"JetBrains Mono"; font-style:normal; font-weight:100 800; font-display:swap;
  src:url("/assets/fonts/jetbrains-mono-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:"JetBrains Mono"; font-style:normal; font-weight:100 800; font-display:swap;
  src:url("/assets/fonts/jetbrains-mono-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+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

/* --- tokens ------------------------------------------------------------- */
:root{
  color-scheme:light;

  --bg:#f6f7f9;
  --bg-soft:#eef1f5;
  --surface:#ffffff;
  --surface-2:#f1f3f7;

  --text:#0d1420;
  --text-2:#48546a;
  --text-3:#616e85;

  --border:#dfe4ec;
  --border-2:#c6cedb;
  --control-border:#8090a6;

  --accent:#0e7490;
  --accent-strong:#0b5d74;
  --accent-soft:#e2f1f5;

  --ok:#0f7a4a;
  --warn:#a35b00;
  --err:#b42318;

  --r-sm:4px;
  --r:10px;
  --pill:9999px;

  --gap:16px;
  --pad-card:24px;
  --sect:88px;
  --maxw:1180px;

  --shadow-sm:0 1px 2px rgba(13,20,32,.06);
  --shadow:0 1px 3px rgba(13,20,32,.07),0 14px 34px -20px rgba(13,20,32,.35);
  --ease:cubic-bezier(.16,1,.3,1);

  --font-sans:"Geist",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:var(--font-sans); font-size:17px; line-height:1.6;
  overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
img{max-width:100%; height:auto; display:block}
a{color:var(--accent-strong); text-decoration-thickness:1px; text-underline-offset:3px}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0; line-height:1.15; letter-spacing:-.02em; font-weight:600}
p{margin:0}
ul,ol{margin:0; padding-left:1.2em}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:var(--r-sm);
}

.container{width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:24px}
.section{padding-block:var(--sect)}
.section--tight{padding-block:56px}
.section--alt{background:var(--bg-soft); border-block:1px solid var(--border)}

/* --- type helpers ------------------------------------------------------- */
.eyebrow{
  font-family:var(--font-mono); font-size:12px; font-weight:600;
  letter-spacing:.14em; text-transform:uppercase; color:var(--accent-strong);
  display:flex; align-items:center; gap:10px; margin-bottom:14px;
}
.eyebrow::before{content:""; width:22px; height:1px; background:var(--accent); flex:none}
.h1{font-size:clamp(32px,4.1vw,42px)}
.h2{font-size:clamp(26px,3.4vw,38px)}
.h3{font-size:clamp(19px,2vw,22px)}
.lead{font-size:clamp(17px,1.5vw,19px); color:var(--text-2); line-height:1.65}
.muted{color:var(--text-2)}
.small{font-size:15px}
.mono{font-family:var(--font-mono)}
.idx{
  font-family:var(--font-mono); font-size:12px; font-weight:600; color:var(--text-3);
  letter-spacing:.1em;
}
.section-head{max-width:660px; margin-bottom:40px}
.section-head p{margin-top:14px}

/* --- buttons ------------------------------------------------------------ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  font-size:16px; font-weight:600; line-height:1; white-space:nowrap;
  padding:14px 22px; border-radius:var(--pill); border:1px solid transparent;
  cursor:pointer; text-decoration:none;
  transition:background .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--accent); color:#fff}
.btn--primary:hover{background:var(--accent-strong); color:#fff}
.btn--ghost{background:var(--surface); color:var(--text); border-color:var(--border-2)}
.btn--ghost:hover{border-color:var(--accent); color:var(--accent-strong)}
.btn--wide{width:100%}
.btn svg{width:18px; height:18px; flex:none}

/* --- header ------------------------------------------------------------- */
.header{
  position:sticky; top:0; z-index:50;
  background:rgba(246,247,249,.86); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header__row{display:flex; align-items:center; gap:20px; height:68px}
.brand{display:flex; align-items:center; gap:11px; text-decoration:none; color:var(--text); font-weight:600}
.brand:hover{color:var(--text)}
.brand__mark{width:32px; height:32px; flex:none}
.brand__name{font-size:17px; letter-spacing:-.02em}
.brand__name span{color:var(--accent-strong)}
.nav{display:flex; align-items:center; gap:26px; margin-left:auto}
.nav a{
  font-size:15px; color:var(--text-2); text-decoration:none; font-weight:500;
  transition:color .18s var(--ease);
}
.nav a:hover,.nav a[aria-current="page"]{color:var(--text)}
.header__cta{display:inline-flex; margin-left:4px; padding:11px 18px; font-size:15px}
.burger{
  display:none; margin-left:auto; width:42px; height:42px; align-items:center; justify-content:center;
  background:var(--surface); border:1px solid var(--border-2); border-radius:var(--r); cursor:pointer;
  color:var(--text);
}
.burger svg{width:20px; height:20px}
.mobile-nav{display:none; border-top:1px solid var(--border); background:var(--bg); padding:14px 0 22px}
.mobile-nav[data-open="true"]{display:block}
.mobile-nav a{
  display:block; padding:12px 0; font-size:17px; color:var(--text);
  text-decoration:none; border-bottom:1px solid var(--border);
}
.mobile-nav .btn{
  display:flex; margin-top:18px; padding:14px 22px; border-bottom:0;
  color:#fff; font-size:16px; text-align:center;
}

/* --- hero --------------------------------------------------------------- */
.hero{padding-block:64px 72px; position:relative; overflow:hidden}
.hero::after{
  content:""; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(620px 320px at 82% 12%,rgba(14,116,144,.10),transparent 65%),
    linear-gradient(180deg,#fbfcfd,var(--bg) 62%);
}
.hero__grid{
  display:grid; grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:48px; align-items:center;
}
.hero__title{margin-bottom:18px}
.hero__actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:28px}
.hero__figure{position:relative}
.hero__figure img{
  width:100%; border-radius:var(--r); border:1px solid var(--border);
  box-shadow:var(--shadow); background:var(--surface);
}
.hero__tag{
  position:absolute; left:16px; bottom:16px;
  display:flex; align-items:center; gap:8px;
  background:var(--surface); border:1px solid var(--border-2); border-radius:var(--pill);
  padding:8px 14px; font-family:var(--font-mono); font-size:12px; font-weight:600;
  letter-spacing:.08em; text-transform:uppercase; color:var(--text-2);
  box-shadow:var(--shadow-sm);
}
.dot{width:7px; height:7px; border-radius:50%; background:var(--accent); flex:none}

/* --- spec strip --------------------------------------------------------- */
.strip{border-block:1px solid var(--border); background:var(--surface)}
.strip__grid{
  display:grid; grid-template-columns:repeat(4,1fr);
}
.strip__item{padding:22px 24px; border-left:1px solid var(--border)}
.strip__item:first-child{border-left:0; padding-left:0}
.strip__k{font-family:var(--font-mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--text-3)}
.strip__v{font-size:16px; font-weight:600; margin-top:6px}

/* --- cards / bento ------------------------------------------------------ */
.card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r);
  padding:var(--pad-card);
}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:var(--gap)}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:var(--gap)}
.bento{
  display:grid; grid-template-columns:repeat(3,1fr); gap:var(--gap);
}
.bento__cell{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r);
  padding:var(--pad-card); display:flex; flex-direction:column; gap:10px;
}
.bento__cell--wide{grid-column:span 2}
.bento__cell--media{padding:0; overflow:hidden}
.bento__cell--media img{width:100%; height:100%; object-fit:cover}
.card__icon{
  width:40px; height:40px; border-radius:var(--r-sm); flex:none;
  display:flex; align-items:center; justify-content:center;
  background:var(--accent-soft); color:var(--accent-strong); margin-bottom:14px;
}
.card__icon svg{width:21px; height:21px}
.card h3{margin-bottom:8px}
.card p{color:var(--text-2); font-size:16px}
.price-tag{
  font-family:var(--font-mono); font-size:13px; font-weight:600; color:var(--accent-strong);
  background:var(--accent-soft); border-radius:var(--pill); padding:5px 12px; align-self:flex-start;
}

/* --- steps -------------------------------------------------------------- */
.steps{display:grid; grid-template-columns:repeat(4,1fr); gap:var(--gap); counter-reset:s}
.step{
  border-top:2px solid var(--border-2); padding-top:20px; position:relative;
}
.step--done{border-top-color:var(--accent)}
.step__n{
  font-family:var(--font-mono); font-size:12px; font-weight:700; letter-spacing:.1em;
  color:var(--accent-strong); display:block; margin-bottom:10px;
}
.step h3{font-size:18px; margin-bottom:8px}
.step p{color:var(--text-2); font-size:15px}

/* --- table -------------------------------------------------------------- */
.table-wrap{
  overflow-x:auto; border:1px solid var(--border); border-radius:var(--r); background:var(--surface);
}
table{border-collapse:collapse; width:100%; min-width:560px; font-size:15px}
th,td{padding:13px 18px; text-align:left; border-bottom:1px solid var(--border)}
th{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--text-3); font-weight:600; background:var(--surface-2);
}
tbody tr:last-child td{border-bottom:0}
td.mono{font-family:var(--font-mono); font-size:14px; color:var(--text-2)}

/* --- widget ------------------------------------------------------------- */
.widget{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r);
  box-shadow:var(--shadow); overflow:hidden;
}
.widget__tabs{display:flex; border-bottom:1px solid var(--border); background:var(--surface-2)}
.widget__tab{
  appearance:none; background:none; border:0; border-bottom:2px solid transparent;
  padding:16px 22px; font-family:var(--font-mono); font-size:12px; font-weight:600;
  letter-spacing:.1em; text-transform:uppercase; color:var(--text-3); cursor:pointer;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.widget__tab[aria-selected="true"]{color:var(--accent-strong); border-bottom-color:var(--accent); background:var(--surface)}
.widget__panel{padding:26px}
.widget__panel[hidden]{display:none}
.field{display:flex; flex-direction:column; gap:7px; margin-bottom:16px}
.field label{font-size:14px; font-weight:600; color:var(--text-2)}
.field select,.field input[type="text"]{
  font-family:inherit; font-size:16px; color:var(--text); background:var(--surface);
  border:1px solid var(--control-border); border-radius:var(--r-sm); padding:12px 13px; width:100%;
}
.field select{appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2348546a' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; background-size:18px; padding-right:40px}
.checks{display:flex; flex-direction:column; gap:11px; margin-bottom:18px}
.checks label{display:flex; gap:11px; align-items:flex-start; font-size:15px; color:var(--text-2); cursor:pointer}
.checks input{margin-top:4px; accent-color:var(--accent); width:17px; height:17px; flex:none}
.result{
  margin-top:20px; border:1px solid var(--border); border-left:3px solid var(--accent);
  border-radius:var(--r-sm); background:var(--surface-2); padding:18px 20px;
}
.result h4{margin:0 0 8px; font-size:17px}
.result p{font-size:15px; color:var(--text-2)}
.result ul{margin:10px 0 0; font-size:15px; color:var(--text-2)}
.result li{margin-bottom:6px}
.result__meta{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--text-3); margin-bottom:10px; display:block;
}
.result--ok{border-left-color:var(--ok)}
.result--warn{border-left-color:var(--warn)}
.result--err{border-left-color:var(--err)}
.widget__note{
  padding:14px 26px; border-top:1px solid var(--border); background:var(--surface-2);
  font-size:13px; color:var(--text-3);
}

/* --- faq ---------------------------------------------------------------- */
.faq{display:flex; flex-direction:column; gap:10px; max-width:820px}
.faq details{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r);
  padding:4px 20px;
}
.faq summary{
  cursor:pointer; padding:16px 0; font-weight:600; font-size:17px; list-style:none;
  display:flex; justify-content:space-between; gap:16px; align-items:flex-start;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+"; font-family:var(--font-mono); color:var(--accent-strong); font-size:20px; line-height:1; flex:none;
}
.faq details[open] summary::after{content:"−"}
.faq p{padding:0 0 18px; color:var(--text-2); font-size:16px; max-width:70ch}

/* --- cta band ----------------------------------------------------------- */
.cta{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r);
  padding:44px; display:grid; grid-template-columns:minmax(0,1fr) auto; gap:28px; align-items:center;
}
.cta p{color:var(--text-2); margin-top:12px}
.cta__actions{display:flex; flex-direction:column; gap:10px; min-width:230px}

/* --- prose (inner pages) ------------------------------------------------ */
.prose{max-width:760px}
.prose h2{font-size:clamp(24px,3vw,30px); margin:48px 0 16px}
.prose h3{font-size:20px; margin:32px 0 12px}
.prose p{margin-bottom:16px; color:var(--text-2)}
.prose ul,.prose ol{margin:0 0 18px; color:var(--text-2)}
.prose li{margin-bottom:8px}
.prose strong{color:var(--text)}
.prose figure{margin:28px 0}
.prose figure img{border:1px solid var(--border); border-radius:var(--r); background:var(--surface)}
.prose figcaption{font-size:14px; color:var(--text-3); margin-top:10px}
.prose .table-wrap{margin-bottom:24px}
.page-head{padding-block:44px 8px}
.crumbs{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.06em; color:var(--text-3);
  margin-bottom:18px; display:flex; gap:8px; flex-wrap:wrap;
}
.crumbs a{color:var(--text-3); text-decoration:none}
.crumbs a:hover{color:var(--accent-strong)}
.callout{
  border:1px solid var(--border); border-left:3px solid var(--accent); background:var(--surface);
  border-radius:var(--r-sm); padding:18px 20px; margin:24px 0;
}
.callout p{margin:0; color:var(--text-2); font-size:16px}
.callout__label{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--accent-strong); display:block; margin-bottom:8px; font-weight:600;
}
.toc{
  background:var(--surface-2); border:1px solid var(--border); border-radius:var(--r);
  padding:20px 24px; margin-bottom:36px;
}
.toc h2{font-size:13px!important; font-family:var(--font-mono); letter-spacing:.12em; text-transform:uppercase; color:var(--text-3); margin:0 0 12px!important}
.toc ol{margin:0; padding-left:1.1em; color:var(--text-2); font-size:15px}
.toc li{margin-bottom:6px}
.related{display:grid; grid-template-columns:repeat(2,1fr); gap:var(--gap); margin-top:20px}
.related a{
  display:block; background:var(--surface); border:1px solid var(--border); border-radius:var(--r);
  padding:20px 22px; text-decoration:none; color:var(--text);
  transition:border-color .18s var(--ease);
}
.related a:hover{border-color:var(--accent); color:var(--text)}
.related span{
  display:block; font-family:var(--font-mono); font-size:11px; letter-spacing:.12em;
  text-transform:uppercase; color:var(--text-3); margin-bottom:8px;
}
.related strong{font-size:17px; font-weight:600; display:block; margin-bottom:6px}
.related p{font-size:15px; color:var(--text-2); margin:0}

/* --- contacts ----------------------------------------------------------- */
.contacts{display:grid; grid-template-columns:repeat(3,1fr); gap:var(--gap)}
.contacts .card{display:flex; flex-direction:column; gap:6px}
.contacts .card a{font-size:19px; font-weight:600; text-decoration:none}

/* --- footer ------------------------------------------------------------- */
.footer{border-top:1px solid var(--border); background:var(--surface); padding-block:48px 32px; margin-top:8px}
.footer__grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:36px}
.footer__grid p{color:var(--text-2); font-size:15px; margin-top:14px; max-width:44ch}
.footer h3{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--text-3); margin-bottom:14px; font-weight:600;
}
.footer ul{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px}
.footer ul a{font-size:15px; color:var(--text-2); text-decoration:none; display:inline-block; padding-block:3px}
.footer ul a:hover{color:var(--accent-strong)}
.footer__bottom{
  margin-top:36px; padding-top:20px; border-top:1px solid var(--border);
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  font-size:13px; color:var(--text-3);
}

/* --- reveal ------------------------------------------------------------- */
.reveal-ready .reveal{
  opacity:0; transform:translateY(16px);
  transition:opacity .6s var(--ease),transform .6s var(--ease); transition-delay:var(--d,0ms);
}
.reveal-ready .reveal.in{opacity:1; transform:none}

/* --- responsive --------------------------------------------------------- */
@media (max-width:960px){
  .nav,.header__cta{display:none}
  .burger{display:flex}
  .hero__grid{grid-template-columns:1fr; gap:36px}
  .grid-3,.bento{grid-template-columns:repeat(2,1fr)}
  .bento__cell--wide{grid-column:span 2}
  .steps{grid-template-columns:repeat(2,1fr)}
  .strip__grid{grid-template-columns:repeat(2,1fr)}
  .strip__item{border-left:0; border-top:1px solid var(--border); padding-inline:0}
  .strip__item:nth-child(-n+2){border-top:0}
  .strip__item:nth-child(2n){padding-left:24px; border-left:1px solid var(--border)}
  .cta{grid-template-columns:1fr; padding:32px}
  .footer__grid{grid-template-columns:1fr 1fr; gap:28px}
  .contacts{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  :root{--sect:60px; --pad-card:20px}
  .grid-3,.grid-2,.bento,.steps,.related{grid-template-columns:1fr}
  .bento__cell--wide{grid-column:span 1}
  .footer__grid{grid-template-columns:1fr}
  .widget__panel{padding:20px}
  .widget__tab{padding:14px 16px; font-size:11px}
  .cta{padding:24px}
  .cta__actions{min-width:0}
}
@media (prefers-reduced-motion:reduce){
  .reveal-ready .reveal{opacity:1; transform:none; transition:none}
  html{scroll-behavior:auto}
  *,*::before,*::after{
    transition-duration:.01ms!important; animation-duration:.01ms!important; animation-iteration-count:1!important;
  }
  .btn:active{transform:none}
}

/* --- a11y --------------------------------------------------------------- */
.visually-hidden{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

@media (min-width:961px){
  .mobile-nav,.mobile-nav[data-open="true"]{display:none}
}

/* --- anchors under sticky header ---------------------------------------- */
[id]{scroll-margin-top:84px}

/* --- skip link ----------------------------------------------------------- */
.skip{
  position:absolute; left:16px; top:-60px; z-index:100;
  background:var(--surface); color:var(--text); border:1px solid var(--border-2);
  border-radius:var(--r); padding:12px 18px; font-weight:600; text-decoration:none;
  transition:top .18s var(--ease);
}
.skip:focus-visible{top:12px}