:root{
  --navy-900:#0A1E33;--navy-800:#102A43;--navy-700:#1B3A5B;
  --teal:#12B0A0;--teal-dark:#0E9488;--mint:#E6F7F4;
  --bg:#F5F8FB;--surface:#FFFFFF;--border:#E4EAF1;
  --text:#0F2438;--text-2:#55647A;--text-3:#8494A8;
  --shadow:0 1px 2px rgba(16,42,67,.04),0 8px 24px rgba(16,42,67,.06);
  --shadow-lg:0 2px 4px rgba(16,42,67,.05),0 16px 40px rgba(16,42,67,.10);
  --radius:14px;--radius-sm:10px;--maxw:1120px;
}
[data-theme="dark"]{
  --navy-900:#081521;--navy-800:#0E2233;--navy-700:#1A3549;
  --teal:#18C6B4;--teal-dark:#12B0A0;--mint:#0E2A2A;
  --bg:#0A1826;--surface:#102133;--border:#21384E;
  --text:#E7EEF6;--text-2:#9FB0C4;--text-3:#6C8099;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35);
  --shadow-lg:0 2px 4px rgba(0,0,0,.35),0 16px 40px rgba(0,0,0,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
h1,h2,h3,.logo,.hero-h,.result-big{font-family:'Sora',system-ui,sans-serif;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.accent{color:var(--teal)}
.hidden{display:none!important}

header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:28px;height:66px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:20px}
.logo-mark{width:30px;height:30px;border-radius:8px;flex:none;background:linear-gradient(135deg,var(--teal),var(--navy-700));display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px}
.nav-links{display:flex;gap:4px;margin-left:8px}
.nav-links a{padding:8px 12px;border-radius:8px;font-size:14.5px;font-weight:500;color:var(--text-2);transition:.15s}
.nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--teal-dark)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:6px}
.icon-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text-2);cursor:pointer;display:grid;place-items:center;transition:.15s}
.icon-btn:hover{border-color:var(--teal);color:var(--teal)}
.icon-btn svg{width:19px;height:19px}
.menu-btn{display:none}
.mnav{display:none}
.mnav.open{display:block;border-bottom:1px solid var(--border);background:var(--surface)}
.mnav a{display:block;padding:13px 20px;color:var(--text-2);font-weight:500;border-top:1px solid var(--border)}
.mnav a:first-child{border-top:0}

.hero{padding:76px 0 60px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 90% at 88% -10%,color-mix(in srgb,var(--teal) 14%,transparent),transparent 60%),radial-gradient(50% 80% at 0% 0%,color-mix(in srgb,var(--navy-700) 10%,transparent),transparent 55%)}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--teal-dark);background:var(--mint);padding:6px 13px;border-radius:100px;margin-bottom:22px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal)}
.hero-h{font-size:clamp(38px,6vw,60px);line-height:1.04;font-weight:700;max-width:14ch}
.hero-sub{font-size:clamp(17px,2.2vw,20px);color:var(--text-2);margin:22px 0 34px;max-width:56ch}
.searchbar{display:flex;align-items:center;gap:10px;background:var(--surface);border:1.5px solid var(--border);border-radius:16px;padding:8px 8px 8px 18px;max-width:620px;box-shadow:var(--shadow);transition:.2s}
.searchbar:focus-within{border-color:var(--teal);box-shadow:0 0 0 4px color-mix(in srgb,var(--teal) 15%,transparent)}
.searchbar svg{width:20px;height:20px;color:var(--text-3);flex:none}
.searchbar input{border:0;outline:0;background:transparent;flex:1;font-size:16px;color:var(--text);font-family:inherit}
.searchbar input::placeholder{color:var(--text-3)}
.btn{font-family:inherit;font-weight:600;font-size:15px;cursor:pointer;border:0;border-radius:11px;padding:12px 22px;transition:.18s;white-space:nowrap;display:inline-block;text-align:center}
.btn-primary{background:var(--teal);color:#04231f}
.btn-primary:hover{background:var(--teal-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text-2);border:1.5px solid var(--border)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.hero-hints{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.hint{font-size:13px;color:var(--text-2);background:var(--surface);border:1px solid var(--border);padding:6px 12px;border-radius:100px}

section{padding:56px 0}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:28px}
.sec-head h2{font-size:clamp(24px,3.5vw,32px);font-weight:700}
.sec-head p{color:var(--text-2);font-size:15px;margin-top:4px}
.sec-link{font-size:14px;font-weight:600;color:var(--teal-dark);white-space:nowrap}
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s,border-color .18s;display:flex;flex-direction:column;gap:12px;position:relative}
.card.live:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--teal) 40%,var(--border))}
.card-ico{width:44px;height:44px;border-radius:11px;background:var(--mint);color:var(--teal-dark);display:grid;place-items:center;flex:none}
.card-ico svg{width:23px;height:23px}
.card h3{font-size:16.5px;font-weight:600;font-family:'Inter',sans-serif;letter-spacing:0}
.card p{font-size:13.5px;color:var(--text-2);flex:1}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:2px}
.cat-tag{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-3)}
.card-cta{font-size:13.5px;font-weight:600;color:var(--teal-dark);display:inline-flex;align-items:center;gap:4px}
.badge-soon{position:absolute;top:16px;right:16px;font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-3);background:var(--bg);border:1px solid var(--border);padding:3px 9px;border-radius:100px}
.card.soon{opacity:.72}

.why{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.why .card{box-shadow:none;background:var(--bg)}
.why h3{font-size:15px}

footer{background:var(--navy-900);color:#C6D3E2;padding:52px 0 28px;margin-top:40px}
[data-theme="dark"] footer{border-top:1px solid var(--border)}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:32px;margin-bottom:36px}
.foot-brand .logo{color:#fff;margin-bottom:12px}
.foot-brand p{font-size:13.5px;color:#8CA0B6;max-width:34ch}
.foot-col h4{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#7C90A8;margin-bottom:14px}
.foot-col a{display:block;font-size:14px;color:#B7C6D8;padding:5px 0}
.foot-col a:hover{color:var(--teal)}
.foot-bot{border-top:1px solid rgba(255,255,255,.09);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C90A8}

.crumbs{font-size:13px;color:var(--text-3);padding:26px 0 0;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a:hover{color:var(--teal)}
.calc-head{padding:14px 0 8px}
.calc-head .cat-tag{color:var(--teal-dark)}
.calc-head h1{font-size:clamp(28px,4vw,40px);font-weight:700;margin:8px 0 10px}
.calc-head .lede{font-size:16px;color:var(--text-2);max-width:64ch}
.calc-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:start;padding-top:26px}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.panel-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.panel-title h2{font-size:18px;font-weight:600;font-family:'Inter',sans-serif;letter-spacing:0}

.seg{display:inline-flex;background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:3px}
.seg button{font-family:inherit;font-size:12.5px;font-weight:600;color:var(--text-2);background:transparent;border:0;padding:6px 11px;border-radius:7px;cursor:pointer;transition:.15s}
.seg button.on{background:var(--surface);color:var(--teal-dark);box-shadow:var(--shadow)}
.cur-sel{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.cur-sel select{border:1px solid var(--border);border-radius:8px;padding:6px 8px;background:var(--surface);color:var(--text);font-family:inherit;font-size:13px;cursor:pointer}

.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--text-2);margin-bottom:5px}
.field-in{display:flex;align-items:center;border:1.5px solid var(--border);border-radius:9px;overflow:hidden;transition:.18s;background:var(--surface)}
.field-in:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px color-mix(in srgb,var(--teal) 14%,transparent)}
.field-in .pfx{padding:10px 0 10px 12px;color:var(--text-3);font-size:15px}
.field-in .sfx{padding:10px 12px 10px 0;color:var(--text-3);font-size:13.5px;white-space:nowrap}
.field-in input{border:0;outline:0;background:transparent;padding:10px 12px;font-size:15px;color:var(--text);font-family:inherit;width:100%;min-width:0}
.field-in select{border:0;outline:0;background:var(--surface);padding:10px 8px;font-size:14px;color:var(--text);font-family:inherit;cursor:pointer}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.frow-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.fgroup-title{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-3);font-weight:600;margin:6px 0 12px;padding-top:8px;border-top:1px solid var(--border)}
.fgroup-title:first-child{border-top:0;padding-top:0}
.ctrls{display:flex;gap:10px;margin-top:18px}.ctrls .btn{flex:1}

.prod{border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;margin-bottom:14px;position:relative;transition:border-color .2s}
.prod.best{border-color:var(--teal);background:color-mix(in srgb,var(--teal) 5%,var(--surface))}
.prod-top{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.prod-name{border:0;outline:0;background:transparent;font-size:15px;font-weight:600;color:var(--text);font-family:inherit;flex:1;padding:2px 0;border-bottom:1.5px solid transparent}
.prod-name:focus{border-bottom-color:var(--teal)}
.prod-name::placeholder{color:var(--text-3);font-weight:500}
.del-row{width:28px;height:28px;border-radius:7px;border:1px solid var(--border);background:var(--surface);color:var(--text-3);cursor:pointer;display:grid;place-items:center;flex:none}
.del-row:hover{border-color:#e5484d;color:#e5484d}.del-row svg{width:15px;height:15px}
.add-row{width:100%;justify-content:center;display:flex;align-items:center;gap:7px;margin-top:2px}

.result-panel{position:sticky;top:86px}
.res-empty{text-align:center;padding:30px 10px;color:var(--text-3)}
.res-empty svg{width:40px;height:40px;margin-bottom:12px;color:var(--border)}
.winner{background:linear-gradient(135deg,var(--navy-800),var(--navy-700));border-radius:var(--radius);padding:22px;color:#fff;margin-bottom:16px}
.winner .lab{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#9FE9DF;font-weight:600;display:flex;align-items:center;gap:6px}
.winner .win-name{font-size:20px;font-weight:700;font-family:'Sora',sans-serif;margin:8px 0 2px}
.result-big{font-size:34px;font-weight:700;line-height:1.1;margin-top:8px}
.result-big small{font-size:15px;font-weight:500;color:#9FE9DF;font-family:'Inter',sans-serif}
.win-sub{display:flex;gap:20px;margin-top:14px;flex-wrap:wrap}
.win-sub div{font-size:13px;color:#9FB8CC}
.win-sub b{display:block;font-size:17px;color:#fff;font-family:'Sora',sans-serif;font-weight:600;margin-top:2px}
.save-badge{display:inline-block;margin-top:12px;background:var(--teal);color:#04231f;font-size:13px;font-weight:600;padding:5px 12px;border-radius:100px}
.rows{display:flex;flex-direction:column;gap:2px}
.rrow{display:flex;align-items:center;justify-content:space-between;padding:11px 4px;border-bottom:1px solid var(--border);font-size:14px;gap:12px}
.rrow:last-child{border-bottom:0}
.rrow .rn{display:flex;align-items:center;gap:8px;color:var(--text-2)}
.rrow .rv{font-weight:600;text-align:right}
.rrow.is-best .rv{color:var(--teal-dark)}
.rrow.total{border-top:2px solid var(--border);border-bottom:0;margin-top:4px;padding-top:14px}
.rrow.total .rn{color:var(--text);font-weight:600}
.rrow.total .rv{font-size:16px}
.dotmark{width:8px;height:8px;border-radius:50%;background:var(--text-3);flex:none}
.rrow.is-best .dotmark{background:var(--teal)}
.err{background:color-mix(in srgb,#e5484d 10%,var(--surface));border:1px solid color-mix(in srgb,#e5484d 35%,var(--border));color:#c93a3f;border-radius:9px;padding:11px 14px;font-size:13.5px;margin-top:12px}
[data-theme="dark"] .err{color:#ff9ba0}

.content{max-width:760px}
.content h2{font-size:24px;font-weight:600;font-family:'Inter',sans-serif;letter-spacing:0;margin:34px 0 12px}
.content p{color:var(--text-2);font-size:15.5px;margin-bottom:12px}
.content ul{color:var(--text-2);font-size:15.5px;margin:0 0 12px 20px}
.content li{margin-bottom:6px}
.formula{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--teal);border-radius:8px;padding:14px 16px;font-size:14.5px;color:var(--text);margin:14px 0}
.faq details{border-top:1px solid var(--border);padding:14px 0}
.faq summary{font-weight:600;cursor:pointer;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--teal);font-size:20px;font-weight:400;flex:none}
.faq details[open] summary::after{content:"\2013"}
.faq p{color:var(--text-2);font-size:14px;margin-top:9px}
.disclaimer{font-size:12.5px;color:var(--text-3);background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin-top:24px}

@media(max-width:900px){
  .grid-4,.grid-5{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .calc-layout{grid-template-columns:1fr}.result-panel{position:static}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .nav-links{display:none}.menu-btn{display:grid}
}
@media(max-width:560px){
  .grid-4,.grid-5{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:start}.hero{padding:52px 0 44px}
  .frow-3{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}
:focus-visible{outline:2.5px solid var(--teal);outline-offset:2px;border-radius:4px}