/* ═══════════════════════════════════════════════
   LUMINA — "Цена интеллекта, напечатанная ежедневно"
   Editorial broadsheet design system
   ═══════════════════════════════════════════════ */

:root{
  --paper:#F4F1EA;
  --paper2:#EDeAE0;
  --card:#FBF9F4;
  --ink:#121212;
  --ink2:#3a3a38;
  --ink3:#63635e;
  --line:#121212;
  --hair:rgba(18,18,18,.16);
  --hair2:rgba(18,18,18,.08);
  --hl:#FFE500;
  --hl2:#f7e55e;
  --blue:#2B4BD8;
  --ok:#117a65;
  --err:#9b2d20;
  --serif:"Newsreader","Georgia",serif;
  --sans:"Inter Tight","Inter",system-ui,sans-serif;
  --mono:"JetBrains Mono","Fira Code",monospace;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body{animation:page-in .45s var(--ease) both}
@view-transition{navigation:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:2px}
summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
::selection{background:var(--hl);color:#000}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono);font-feature-settings:"tnum" 1,"zero" 1}
.muted{color:var(--ink2)}
mark{background:linear-gradient(100deg,transparent 0%,var(--hl) 8%,var(--hl) 92%,transparent 100%);color:inherit;padding:0 2px}
em.hl{background:linear-gradient(100deg,transparent 0%,var(--hl) 8%,var(--hl) 92%,transparent 100%);font-style:italic;padding:0 .06em}
s{color:var(--ink3)}
input,select,textarea{accent-color:var(--ink)}
img,svg{display:block}

/* paper grain */
body::before{content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");}

/* skip link */
.skip{position:fixed;top:-60px;left:16px;z-index:10001;background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:12.5px;padding:9px 16px;transition:top .2s var(--ease)}
.skip:focus{top:12px}

/* ══════════ MASTHEAD ══════════ */
.masthead{border-bottom:2px solid var(--line);background:var(--paper)}
.masthead-top{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--hair);font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink3)}
.mast-vol{color:var(--ink)}
.mast-name{padding:18px 0 6px}
.wordmark{font-family:var(--serif);font-weight:800;font-size:clamp(40px,6vw,64px);letter-spacing:-.03em;line-height:1;display:inline-block}
.wordmark-reg{font-size:.35em;font-weight:600;vertical-align:top;color:var(--ink3)}
.wordmark.sm{font-size:28px}
.mastnav{display:flex;align-items:center;gap:2px;padding:10px 0;border-top:1px solid var(--hair);flex-wrap:wrap}
.mastnav a{font-family:var(--mono);font-size:12.5px;font-weight:500;letter-spacing:.02em;padding:7px 13px;color:var(--ink2);border-radius:2px;transition:all .15s}
.mastnav a:hover{color:var(--ink);background:rgba(18,18,18,.06)}
.mastnav a.on{color:var(--ink);box-shadow:inset 0 -2px 0 var(--hl)}
.mastnav-sp{flex:1}
.mastnav .mast-login{border:1px solid var(--line);padding:6px 14px}
.mastnav .mast-login:hover{background:var(--ink);color:var(--paper)}
.mastnav .mast-cta{background:var(--ink);color:var(--paper);padding:7px 16px}
.mastnav .mast-cta:hover{background:#000}
.mastnav .mast-cta::after{content:" →";display:inline-block;transition:transform .18s var(--ease)}
.mastnav .mast-cta:hover::after{transform:translateX(3px)}

/* ══════════ TICKER ══════════ */
.ticker{border-bottom:1px solid var(--line);background:var(--paper2);overflow:hidden;padding:8px 0;position:relative}
.ticker::before,.ticker::after{content:"";position:absolute;top:0;bottom:0;width:60px;z-index:2;pointer-events:none}
.ticker::before{left:0;background:linear-gradient(90deg,var(--paper2),transparent)}
.ticker::after{right:0;background:linear-gradient(270deg,var(--paper2),transparent)}
.ticker-track{display:flex;font-family:var(--mono);font-size:12px;white-space:nowrap;animation:ticker 42s linear infinite;color:var(--ink2);width:max-content}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-half{display:inline-flex;gap:44px;padding-right:44px}
.ticker-half span b{color:var(--ink)}
.ticker-half .down{color:var(--blue)}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ══════════ HERO ══════════ */
.hero{padding:90px 0 70px;border-bottom:1px solid var(--line)}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3);margin-bottom:22px}
.kicker::before{content:"◆ ";color:var(--hl)}
.hero-title{font-family:var(--serif);font-weight:800;font-size:clamp(46px,7.5vw,104px);line-height:.98;letter-spacing:-.035em;margin-bottom:26px}
.hero-sub{font-size:18px;color:var(--ink2);max-width:640px;margin-bottom:36px;line-height:1.65}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:50px}
.hero-ledger{border-top:2px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;max-width:760px}
.hl-row{display:grid;grid-template-columns:1.4fr 1.2fr 1.2fr;gap:12px;padding:7px 0;font-size:13.5px;border-bottom:1px solid var(--hair2);align-items:baseline}
.hl-row:last-of-type{border-bottom:none}
.hl-model{font-weight:600}
.hl-off{color:var(--ink3)}
.hl-ours{font-weight:700}
.hl-foot{font-size:11px;color:var(--ink3);padding-top:10px;letter-spacing:.04em}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;font-family:var(--mono);font-size:14px;font-weight:600;letter-spacing:.01em;border:1.5px solid var(--ink);border-radius:2px;transition:all .18s var(--ease)}
.btn:active{transform:translateY(0) scale(.98)}
.btn.ink{background:var(--ink);color:var(--paper)}
.btn.ink:hover{background:#000;transform:translateY(-1px);box-shadow:0 8px 24px rgba(18,18,18,.25)}
.btn.line{background:transparent;color:var(--ink)}
.btn.line:hover{background:var(--ink);color:var(--paper)}
.btn.big{padding:16px 32px;font-size:15px}
.btn.hl{background:var(--hl);border-color:var(--ink);color:#000}
.btn.hl:hover{background:var(--hl2)}
.btn.danger{background:transparent;color:var(--err);border-color:var(--err)}
.btn.danger:hover{background:var(--err);color:var(--paper)}
.btn.small{padding:8px 16px;font-size:12.5px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* toast */
.toast{position:fixed;z-index:10000;right:24px;bottom:24px;background:var(--ink);color:var(--paper);padding:13px 17px;border:1px solid var(--hl);font:12px var(--mono);transform:translateY(12px);opacity:0;pointer-events:none;transition:all .25s var(--ease)}
.toast.show{transform:translateY(0);opacity:1}
.toast.err{border-color:var(--err)}

/* skeleton */
.sk{display:inline-block;min-width:64px;min-height:1em;border-radius:2px;background:linear-gradient(90deg,var(--paper2),var(--card),var(--paper2));background-size:200% 100%;animation:sk 1.2s linear infinite;vertical-align:-.12em}
@keyframes sk{from{background-position:200% 0}to{background-position:-200% 0}}

/* reveal-on-scroll */
.rv{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:calc(var(--i,0)*70ms)}
.rv.in{opacity:1;transform:none}
@keyframes page-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ══════════ SECTION HEAD ══════════ */
section{padding:80px 0}
.sec-head{max-width:680px;margin-bottom:50px}
.folio{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink3);margin-bottom:16px}
.folio::before{content:"— ";}
.sec-head h2{font-family:var(--serif);font-weight:800;font-size:clamp(32px,4.5vw,56px);line-height:1.02;letter-spacing:-.03em;margin-bottom:16px}
.sec-head p{color:var(--ink2);font-size:17px}

/* ══════════ LEDGER ══════════ */
.ledger{background:var(--paper2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ledger-table{border:1.5px solid var(--line);background:var(--card)}
.lt-head{display:grid;grid-template-columns:1.6fr 1.4fr 1.4fr .7fr;padding:14px 22px;border-bottom:1.5px solid var(--line);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3);background:var(--paper)}
.lt-row{display:grid;grid-template-columns:1.6fr 1.4fr 1.4fr .7fr;padding:15px 22px;border-bottom:1px solid var(--hair2);font-size:14px;transition:background .15s,transform .15s;align-items:baseline}
.lt-row:hover{background:rgba(255,229,0,.12);transform:translateX(2px)}
.lt-row:last-of-type{border-bottom:none}
.lt-name{font-weight:700;font-family:var(--sans)}
.lt-off{color:var(--ink3)}
.lt-ours{font-weight:700}
.lt-save{font-weight:800;color:var(--ink);text-align:right}
.lt-foot{padding:12px 22px;font-size:11.5px;color:var(--ink3);border-top:1px solid var(--hair);background:var(--paper)}

/* highlighter sweep */
.hl-row mark,.lt-row mark,.cp-m mark{background-image:linear-gradient(100deg,transparent 0%,var(--hl) 8%,var(--hl) 92%,transparent 100%);background-repeat:no-repeat;background-size:0% 100%;transition:background-size .6s var(--ease)}
.in mark,.rv.in mark{background-size:100% 100%}

/* ══════════ MODELS columns ══════════ */
.columns{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1.5px solid var(--line);background:var(--card)}
@media(max-width:860px){.columns{grid-template-columns:1fr}}
.col-profile{padding:34px;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.col-profile:hover{transform:translateY(-3px);box-shadow:inset 0 0 0 1.5px var(--ink)}
.col-profile:first-child{border-right:1.5px solid var(--line)}
@media(max-width:860px){.col-profile:first-child{border-right:none;border-bottom:1.5px solid var(--line)}}
.cp-tag{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.cp-title{font-family:var(--serif);font-weight:800;font-size:42px;line-height:1;letter-spacing:-.02em;margin-bottom:12px}
.cp-lede{font-size:15px;color:var(--ink2);font-style:italic;font-family:var(--serif);margin-bottom:22px;padding-bottom:18px;border-bottom:1px solid var(--hair)}
.cp-meta{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:13px;margin-bottom:22px}
.cp-meta li{display:flex;justify-content:space-between;border-bottom:1px dashed var(--hair2);padding-bottom:6px}
.cp-meta span{color:var(--ink3)}
.cp-meta b{font-weight:600}
.cp-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cp-m{border:1px solid var(--hair);padding:12px 14px;font-size:12.5px}
.cp-m span{display:block;color:var(--ink3);margin-bottom:4px;font-size:11px}
.cp-m b{font-weight:700}

/* ══════════ SWITCH / CODE ══════════ */
.switch{background:var(--paper2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.classified{border:1.5px solid var(--line);background:var(--card);max-width:760px}
.classified-head{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;border-bottom:1.5px solid var(--line);font-size:12px;color:var(--ink3);background:var(--paper)}
.classified-no{color:var(--ink3);letter-spacing:.08em}
.classified .code{padding:22px;font-family:var(--mono);font-size:13px;line-height:1.85;color:#2a2a28;overflow-x:auto;margin:0}
.classified .c{color:#8a8a84;font-style:italic}
.classified .s{color:var(--blue)}
.classified-foot{padding:12px 20px;border-top:1px solid var(--hair);font-size:11.5px;color:var(--ink3);background:var(--paper)}

/* shared codebox */
.codebox{border:1.5px solid var(--line);background:var(--card);margin:18px 0 22px}
.codebox .cb-head{display:flex;justify-content:space-between;align-items:center;padding:10px 18px;border-bottom:1.5px solid var(--line);font-family:var(--mono);font-size:11.5px;color:var(--ink3);background:var(--paper)}
.codebox .cb-head .copybtn{font-family:var(--mono);font-size:11px;padding:4px 10px;border:1px solid var(--line);border-radius:2px;color:var(--ink2);background:var(--card);transition:all .15s}
.codebox .cb-head .copybtn:hover{background:var(--ink);color:var(--paper)}
.codebox pre{padding:20px;font-family:var(--mono);font-size:12.5px;line-height:1.8;overflow-x:auto;color:#2a2a28;margin:0}
.codebox .k{color:#7c4dff}.codebox .s{color:var(--blue)}.codebox .n{color:#c0392b}.codebox .f{color:#117a65}.codebox .c{color:#8a8a84;font-style:italic}

/* shared badges */
.tag2{display:inline-block;font-family:var(--mono);font-size:10.5px;font-weight:800;letter-spacing:.06em;padding:3px 8px;border-radius:2px;border:1px solid var(--ink);color:var(--ink)}
.tag2.pro{background:var(--hl);border-color:var(--ink)}
.tag2.free{background:var(--paper2)}
.tag2.new{background:var(--blue);color:#fff;border-color:var(--blue)}
.tag2.hot{background:var(--ink);color:var(--paper)}

/* scroll wrapper for wide tables */
.scroll-x{overflow-x:auto}
.panel{overflow:hidden}

/* ══════════ STATS ══════════ */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0;border:1.5px solid var(--line);background:var(--card)}
.st{padding:32px 26px;border-right:1.5px solid var(--line)}
.st:last-child{border-right:none}
@media(max-width:800px){.st{border-right:none;border-bottom:1.5px solid var(--line)}.st:last-child{border-bottom:none}}
.st-n{font-size:38px;font-weight:800;letter-spacing:-.02em}
.st-l{font-size:12px;color:var(--ink3);margin-top:6px;letter-spacing:.05em;text-transform:uppercase}
.st-target{font-family:var(--mono);font-size:10px;color:var(--ink3);letter-spacing:.08em;text-transform:uppercase;margin-top:4px}

/* ══════════ FAQ ══════════ */
.faq-list{display:flex;flex-direction:column}
.faq-item{border:1.5px solid var(--line);background:var(--card);margin-bottom:10px;transition:background .2s var(--ease)}
.faq-item[open]{background:rgba(255,229,0,.07)}
.faq-item summary{padding:18px 24px;font-family:var(--serif);font-weight:700;font-size:18px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .pl{font-family:var(--mono);font-weight:400;font-size:22px;transition:transform .2s}
.faq-item[open] summary{border-bottom:1px solid var(--hair)}
.faq-item[open] summary .pl{transform:rotate(45deg)}
.faq-item .faq-body{padding:0;color:var(--ink2);font-size:15px;display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s var(--ease)}
.faq-item .faq-body>div{overflow:hidden;padding:0 24px}
.faq-item[open] .faq-body{grid-template-rows:1fr}
.faq-item[open] .faq-body>div{padding-bottom:18px;padding-top:18px}

/* ══════════ CTA FINAL ══════════ */
.cta-final{background:var(--ink);color:var(--paper);text-align:center;padding:96px 0;border-top:2px solid var(--line)}
.cta-kicker{font-size:12.5px;color:var(--hl);letter-spacing:.12em;margin-bottom:20px}
.cta-title{font-family:var(--serif);font-weight:800;font-size:clamp(32px,5.5vw,64px);line-height:1.02;letter-spacing:-.03em;margin-bottom:18px}
.cta-sub{color:rgba(244,241,234,.7);max-width:540px;margin:0 auto 34px;font-size:17px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-final .btn.line{border-color:var(--paper);color:var(--paper)}
.cta-final .btn.line:hover{background:var(--paper);color:var(--ink)}
.cta-final .btn.ink{background:var(--hl);border-color:var(--hl);color:#000}
.cta-final .btn.ink:hover{background:var(--hl2)}

/* ══════════ FOOTER ══════════ */
.footer{background:var(--paper);border-top:2px solid var(--line);padding:56px 0 32px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px}
@media(max-width:800px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-desc{font-size:13.5px;color:var(--ink3);max-width:280px;margin-top:14px}
.foot-col h4{font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-bottom:14px}
.foot-col a{display:block;font-size:14px;color:var(--ink2);padding:4px 0;transition:color .15s}
.foot-col a:hover{color:var(--ink);text-decoration:underline}
.foot-bottom{border-top:1px solid var(--hair);padding-top:20px;display:flex;justify-content:space-between;align-items:center;color:var(--ink3);font-size:12px;flex-wrap:wrap;gap:10px}

/* ══════════ MODAL ══════════ */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;background:rgba(18,18,18,.5);backdrop-filter:blur(4px)}
.modal.open{display:flex;animation:modal-bg .2s var(--ease)}
.modal.open .box{animation:modal-pop .28s var(--ease)}
.modal .box{background:var(--card);border:1.5px solid var(--line);padding:32px;max-width:480px;width:92%;box-shadow:0 30px 80px rgba(0,0,0,.3)}
.modal h3{font-family:var(--serif);font-weight:800;font-size:24px;margin-bottom:6px}
.modal .muted{margin-bottom:16px;font-size:14px}
.modal input,.modal select{width:100%;background:var(--paper);border:1.5px solid var(--line);border-radius:2px;padding:12px 14px;color:var(--ink);font-family:var(--mono);font-size:13px;margin-bottom:10px}
.modal input:focus,.modal select:focus{outline:none;border-color:var(--hl);box-shadow:0 0 0 3px rgba(255,229,0,.4)}
.modal .keyout{display:flex;gap:8px;margin-top:14px}
.modal .keyout input{flex:1;background:var(--paper2);color:var(--blue)}
@keyframes modal-bg{from{opacity:0}to{opacity:1}}
@keyframes modal-pop{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}

/* ══════════ RANGE (pricing calc) ══════════ */
input[type=range]{width:100%;-webkit-appearance:none;appearance:none;height:2px;background:var(--ink);outline:none;margin:14px 0 6px}
input[type=range]:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;background:var(--hl);border:2px solid var(--ink);border-radius:0;cursor:pointer}
input[type=range]::-moz-range-thumb{width:16px;height:16px;background:var(--hl);border:2px solid var(--ink);border-radius:0;cursor:pointer}
input[type=range]::-moz-range-track{height:2px;background:var(--ink)}

/* ══════════ RESPONSIVE ══════════ */
@media(max-width:760px){
  .masthead-top{flex-wrap:wrap;gap:6px}
  .mast-city{display:none}
  .mastnav{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity;padding-bottom:12px}
  .mastnav::-webkit-scrollbar{display:none}
  .mastnav a{scroll-snap-align:start;flex:none}
  .hero{padding:60px 0 50px}
  .hl-row{grid-template-columns:1.3fr 1.2fr}
  .hl-off{display:none}
  .lt-head,.lt-row{grid-template-columns:1.4fr 1.2fr 1.2fr}
  .lt-c:nth-child(4){display:none}
}

/* ══════════ PRINT ══════════ */
@media print{
  body{animation:none;background:#fff}
  body::before{display:none}
  .ticker,.mastnav,.hero-cta,.cta-final,.filterbar,.docnav,.skip,.toast{display:none!important}
  .masthead{border-bottom:2px solid #000}
  section{padding:24px 0}
  details>.faq-body{display:block;grid-template-rows:1fr}
  .faq-item[open] .faq-body>div{padding:0 24px}
  .lt-row:hover{transform:none}
  a{color:#000}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}
  .rv{opacity:1;transform:none}
}