*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fff;color:#111b4b;line-height:1.6}
body{--bg:#fff;--card:#fff;--text:#111b4b;--muted:#58698d;--border:#e4e9f4;--accent:#2563eb;--accent2:#5b21f5;--soft:#eef3ff;--shadow:0 18px 50px rgba(35,76,160,.12)}
body.dark{--bg:#0b1020;--card:#121a2b;--text:#f3f4f6;--muted:#a7b0c2;--border:#263247;--soft:#18223a;--shadow:0 15px 40px rgba(0,0,0,.25)}
body.dark{background:var(--bg)}
a{color:inherit;text-decoration:none}
.container{width:min(1240px,calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
body.dark .site-header{background:rgba(11,16,32,.92)}
.nav{height:82px;display:flex;align-items:center;gap:40px}
.brand{display:flex;align-items:center;gap:10px;font-weight:850;font-size:1.25rem}
.brand-icon-only{width:70px}
.brand-mark{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;place-items:center;width:54px;height:54px;border-radius:15px;background:linear-gradient(135deg,#1e78ff,#5a20ed);color:#fff;box-shadow:0 12px 25px rgba(61,86,220,.25);font-weight:900;font-size:18px;line-height:1}
nav{display:flex;gap:38px;flex:1;justify-content:center}
nav a{color:var(--text);font-weight:650}
nav a:hover{color:var(--accent)}
.nav-actions{display:flex;gap:10px;align-items:center}
.icon-btn,.theme-toggle,.btn{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:999px;padding:10px 15px;cursor:pointer;font-weight:700}
.icon-btn{min-width:44px;font-size:20px}
.lang-btn{font-size:15px}
.theme-toggle{background:#182039;color:#fff;border-color:#182039}
.btn{background:linear-gradient(135deg,#2563eb,#4338ca);color:#fff;border-color:transparent;border-radius:14px;padding:14px 20px;box-shadow:0 10px 24px rgba(37,99,235,.22)}
.btn.secondary{background:#eef3ff;color:#111b4b;box-shadow:none}
.ad-wrap{width:min(900px,calc(100% - 48px));margin:0 auto}
.ad{min-height:90px;border:1px dashed #b9c4d8;border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#6a7894;background:#fafcff}
.ad span{font-weight:700}
.ad small{font-size:.78rem}
.ad-top{padding:12px 0}
.hero{padding:55px 0 45px;background:linear-gradient(180deg,#f7f9ff 0%,#fff 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.eyebrow{color:#536dff;font-weight:850;letter-spacing:.16em;font-size:.82rem}
.hero h1{font-size:clamp(3rem,5.4vw,5.6rem);line-height:1.02;margin:12px 0 20px;letter-spacing:-.045em}
.hero h1::first-line{color:#101b4d}
.hero p{font-size:1.22rem;color:var(--muted);max-width:680px;margin:0}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.benefits{display:flex;gap:28px;flex-wrap:wrap;margin-top:34px}
.benefits>div{display:flex;align-items:center;gap:10px}
.benefits b{font-size:1.8rem;color:#5147e8}
.benefits strong,.benefits small{display:block}
.benefits small{color:var(--muted)}
.hero-visual{position:relative;min-height:500px;display:grid;place-items:center}
.calc-illustration{width:330px;padding:18px;border-radius:32px;background:linear-gradient(145deg,#eef4ff,#fff);box-shadow:0 35px 70px rgba(52,83,180,.2);transform:rotate(6deg);border:1px solid #dce5ff}
.calc-screen{background:#1c2a4d;color:#fff;border-radius:18px;padding:22px;text-align:center;margin-bottom:15px}
.calc-screen strong{display:block;font-size:1.6rem}.calc-screen small{display:block;opacity:.85}
.calc-keys{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.calc-keys span{display:grid;place-items:center;height:48px;background:#fff;border-radius:12px;box-shadow:0 4px 12px rgba(50,80,150,.08);font-weight:800;font-size:1.1rem}
.calc-keys .eq{background:#2765ed;color:#fff;grid-row:span 2;height:auto}
.float-icon{position:absolute;display:grid;place-items:center;border-radius:16px;width:62px;height:62px;color:#fff;font-weight:900;font-size:1.6rem;box-shadow:0 14px 28px rgba(40,70,150,.18)}
.percent{top:70px;left:12%;background:#8b5cf6}.chart{left:8%;bottom:105px;background:#28bfa9;font-size:1rem}.heart{right:8%;top:145px;background:#fb923c}.ruler{right:13%;bottom:80px;background:#2d7be9}
.stats-strip{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff}
body.dark .stats-strip{background:var(--bg)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);padding:22px 0}
.stat{text-align:center;border-right:1px solid var(--border)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:1.65rem}.stat span{color:var(--muted)}
.section{padding:36px 0 80px}
.section .ad{margin-bottom:42px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:15px;margin-bottom:22px}
.section h2{margin:5px 0 0;font-size:2.25rem;letter-spacing:-.03em}.section-sub{margin:3px 0;color:var(--muted)}
.search{width:min(420px,100%);padding:13px 15px;border:1px solid var(--border);border-radius:13px;background:var(--card);color:var(--text)}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 20px}
.chip{padding:8px 12px;border:1px solid var(--border);background:var(--card);border-radius:999px;cursor:pointer;color:var(--muted)}
.chip.active{background:#2563eb;color:#fff;border-color:#2563eb}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.calc-card{position:relative;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:22px;transition:.2s}
.calc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.calc-icon{font-size:1.7rem}.calc-card h3{margin:8px 0 4px}.calc-card p{color:var(--muted);margin:0 0 15px}
.fav{position:absolute;top:14px;inset-inline-end:14px;border:0;background:transparent;color:var(--muted);font-size:1.25rem;cursor:pointer}
.form-card{max-width:760px;margin:35px auto;background:var(--card);border:1px solid var(--border);border-radius:22px;padding:25px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.field{display:flex;flex-direction:column;gap:6px}.field label{font-weight:700}
.field input,.field select{width:100%;padding:12px;border:1px solid var(--border);border-radius:11px;background:var(--bg);color:var(--text);font-size:1rem}
.result{margin-top:18px;padding:17px;border-radius:14px;background:var(--soft);font-size:1.12rem}.result strong{font-size:1.35rem;color:var(--accent)}
.back{color:var(--accent);font-weight:700}.empty{text-align:center;padding:40px;color:var(--muted)}
.footer{border-top:1px solid var(--border);padding:35px 0;color:var(--muted)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:25px}
.footer-grid>div{display:flex;flex-direction:column;gap:6px}.footer-brand{color:var(--text)}
.stats{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-visual{min-height:430px}.grid{grid-template-columns:repeat(2,1fr)}nav{gap:18px}}
@media(max-width:650px){.container{width:min(100% - 22px,1240px)}.nav{height:68px;gap:10px}.brand-icon-only{width:55px}.brand-mark{width:46px;height:46px}.nav nav{display:none}.hero{padding-top:38px}.hero h1{font-size:2.8rem}.hero p{font-size:1.05rem}.benefits{gap:15px}.grid,.stats{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--border);padding:12px}.stat:last-child{border-bottom:0}.section h2{font-size:1.8rem}.ad-wrap{width:calc(100% - 22px)}.calc-illustration{width:280px}}