:root{--bg:#fff;--soft:#f6f6f4;--ink:#14161a;--mute:#5d636d;--line:#e4e5e8;--acc:#2b44ff;--acc-d:#1d30c9;--acc-s:#eef0ff;--ok:#12805c;--r:14px;--max:1160px;
--head:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;--body:"DM Sans","Segoe UI",system-ui,sans-serif}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font:16px/1.6 var(--body);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--acc);outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:var(--head);line-height:1.1;letter-spacing:-.02em}
h2{font-size:clamp(28px,4vw,40px);margin-bottom:10px}
h3{font-size:20px}
.lead{color:var(--mute);max-width:60ch}
section{padding:72px 0}
.soft{background:var(--soft)}

/* header */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 21px var(--head)}
.brand img{width:34px;height:34px}
.links{display:flex;gap:4px;margin-left:auto;align-items:center}
.links a{text-decoration:none;padding:8px 12px;border-radius:8px;color:var(--mute);font-weight:500;font-size:15px}
.links a:hover{color:var(--ink);background:var(--soft)}
.menu{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;width:42px;height:42px;font-size:20px;cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--ink);background:var(--ink);color:#fff;padding:11px 20px;border-radius:10px;font:600 15px var(--body);text-decoration:none;cursor:pointer;transition:background .15s,transform .15s}
.btn:hover{background:#2c3038}
.btn:active{transform:scale(.97)}
.btn.acc{background:var(--acc);border-color:var(--acc)}.btn.acc:hover{background:var(--acc-d)}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}.btn.ghost:hover{border-color:var(--ink);background:#fff}
.btn.sm{padding:8px 14px;font-size:14px}
.btn.copied{background:var(--ok);border-color:var(--ok);color:#fff}

/* hero */
.hero{position:relative;padding:96px 0 330px;background:#fff url(assets/bg.jpg) center bottom/cover no-repeat;border-bottom:1px solid var(--line);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(#fff 25%,rgba(255,255,255,0) 70%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:clamp(40px,7vw,78px);max-width:13ch;margin-bottom:20px}
.hero p{font-size:19px;color:var(--mute);max-width:46ch;margin-bottom:28px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{margin-top:22px;font-size:14px;color:var(--mute)}

/* controls */
.controls{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin:28px 0 22px}
.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;font:600 14px var(--body);cursor:pointer;color:var(--mute)}
.tab:hover{border-color:var(--ink);color:var(--ink)}
.tab[aria-selected=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.opts{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;padding:3px;background:#fff}
.seg button{border:0;background:none;padding:7px 12px;border-radius:7px;font:600 13px var(--body);cursor:pointer;color:var(--mute)}
.seg button[aria-pressed=true]{background:var(--acc);color:#fff}
.seg small{opacity:.8;font-weight:500}
select,input[type=number]{font:500 15px var(--body);border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:#fff;color:var(--ink);width:100%}
.opts select{width:auto}

/* plan cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;display:flex;flex-direction:column;gap:14px}
.card:hover{border-color:#b9bcc6}
.card h3{display:flex;justify-content:space-between;align-items:center}
.price{font:700 34px var(--head);letter-spacing:-.03em;line-height:1}
.price small{font:500 14px var(--body);color:var(--mute);letter-spacing:0}
.sub{font-size:13px;color:var(--mute);min-height:20px;margin-top:-6px}
.save{color:var(--ok);font-weight:600}
.specs{list-style:none;padding:0;display:grid;gap:0;font-size:15px}
.specs li{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid var(--line)}
.specs span:first-child{color:var(--mute)}
.specs span:last-child{font-weight:600;text-align:right}
.card .row{display:flex;gap:8px;margin-top:auto}
.card .row .btn{flex:1}
.feats{margin-top:30px;border:1px solid var(--line);border-radius:var(--r);padding:22px;background:var(--soft)}
.feats ul{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px 18px;margin-top:12px}
.feats li{padding-left:24px;position:relative;font-size:15px}
.feats li::before{content:"";position:absolute;left:2px;top:6px;width:6px;height:11px;border:solid var(--ok);border-width:0 2.5px 2.5px 0;transform:rotate(40deg)}

/* calculator */
.calc{display:grid;grid-template-columns:1.3fr 1fr;gap:22px;margin-top:28px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:6px}.field.full{grid-column:1/-1}
.field label,.lbl{font-weight:600;font-size:14px}
.field output{color:var(--acc);font-weight:700}
input[type=range]{width:100%;accent-color:var(--acc)}
.hint{font-size:13px;color:var(--mute)}
.checks{display:grid;gap:10px}
.chk{display:flex;gap:10px;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:10px;padding:10px 14px;cursor:pointer;font-size:15px}
.chk:has(input:checked){border-color:var(--acc);background:var(--acc-s)}
.chk input{accent-color:var(--acc);width:18px;height:18px}
.chk span:last-child{color:var(--mute);font-size:13px}
.sum{position:sticky;top:88px}
.sum .total{font:700 46px var(--head);letter-spacing:-.03em;line-height:1.05;margin:6px 0}
.lines{list-style:none;padding:0;margin:14px 0;font-size:14.5px}
.lines li{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-top:1px solid var(--line)}
.lines li span:last-child{font-weight:600;white-space:nowrap}
.sum .row{display:flex;gap:8px;flex-wrap:wrap}
.sum .row .btn{flex:1}

/* tables */
.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:24px}
.tbl th,.tbl td{text-align:left;padding:13px 18px;border-bottom:1px solid var(--line)}
.tbl th{background:var(--soft);font-size:14px}
.tbl tr:last-child td{border-bottom:0}
.tbl td:last-child{font-weight:700;white-space:nowrap}
.scroll{overflow-x:auto}
.three{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:26px}
.three .panel p{color:var(--mute);margin-top:6px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:14px;background:#fff}

/* footer + legal */
footer{border-top:1px solid var(--line);padding:44px 0;background:var(--soft)}
footer .wrap{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}
footer p{color:var(--mute);font-size:14px;max-width:46ch;margin-top:8px}
footer nav{display:flex;gap:18px;flex-wrap:wrap;font-size:15px}
footer a{text-decoration:none;color:var(--mute)}footer a:hover{color:var(--ink)}
.legal{padding:56px 0 80px}
.legal .wrap{max-width:780px}
.legal h1{font-size:clamp(34px,5vw,50px);margin-bottom:6px}
.legal h2{font-size:22px;margin:34px 0 8px}
.legal p,.legal li{color:#3a3f48;margin-bottom:10px}
.legal ul{padding-left:22px}
.upd{color:var(--mute);font-size:14px;margin-bottom:24px}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:.2s;z-index:99}
.toast.on{opacity:1;transform:translate(-50%,0)}

@media(max-width:860px){
 .calc{grid-template-columns:1fr}.sum{position:static}
 .menu{display:block}
 .links{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 22px}
 .links.open{display:flex}
 .hero{padding:64px 0 240px}
}
@media(max-width:520px){.fields{grid-template-columns:1fr}section{padding:52px 0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}