:root{color-scheme:light;--bg:#fff;--panel:#fff;--alt:#f6f8fc;--ink:#18243a;--muted:#66758b;--line:#e8edf4;--blue:#2463eb;--purple:#9585eb;--teal:#39b8ac;--shadow:0 22px 70px rgba(30,61,110,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(1120px,calc(100% - 40px));margin-inline:auto}.header{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:10}.nav,.menu,.logo,.footer-inner{display:flex;align-items:center}.nav{height:76px;justify-content:space-between}.logo{gap:10px;font-size:20px;font-weight:700;letter-spacing:-.5px}.logo strong{color:var(--blue)}.logo-mark{display:grid;place-items:center;background:var(--blue);color:white;width:37px;height:37px;border-radius:12px}.menu{gap:34px;font-size:14px;color:var(--muted)}.menu a:hover{color:var(--blue)}.theme-button{border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:12px;width:40px;height:40px;cursor:pointer;font-size:19px}.hero{display:grid;grid-template-columns:1.12fr .88fr;gap:72px;align-items:center;padding-block:110px 120px}.eyebrow{font-size:13px;letter-spacing:.03em;font-weight:700;color:var(--blue)}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#36b89e;margin-right:6px}.hero h1{font-size:clamp(39px,5vw,65px);line-height:1.13;letter-spacing:-2.5px;margin:20px 0}.hero h1 span{color:var(--blue)}.hero-content>p:not(.small-note){max-width:540px;color:var(--muted);font-size:18px;margin-bottom:32px}.primary-button{display:inline-flex;gap:22px;align-items:center;background:var(--blue);color:#fff;border-radius:13px;padding:14px 21px;font-size:15px;font-weight:650}.primary-button:hover{background:#174fc7}.small-note{font-size:12px;color:var(--muted);max-width:480px;margin-top:25px}.visual{background:var(--panel);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:32px;transform:rotate(1deg)}.visual-top{display:flex;justify-content:space-between;font-weight:700}.visual-more{color:var(--muted)}.visual-label{font-size:13px;color:var(--muted);margin-top:43px}.visual-number{font-size:38px;line-height:1.3;font-weight:750;letter-spacing:-1px}.bar{display:flex;gap:5px;height:13px;margin:28px 0 34px}.bar span{border-radius:10px}.bar span:nth-child(1){width:50%;background:var(--blue)}.bar span:nth-child(2){width:30%;background:var(--purple)}.bar span:nth-child(3){width:20%;background:var(--teal)}.visual-items{display:grid;gap:17px}.visual-items>div{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}.visual-items b{margin-left:auto;color:var(--ink)}.dot{display:inline-block;width:10px;height:10px;border-radius:50%}.dot-blue{background:var(--blue)}.dot-purple{background:var(--purple)}.dot-teal{background:var(--teal)}.section{padding:95px 0}.alternate{background:var(--alt)}.section-heading{max-width:650px;margin-bottom:35px}h2{font-size:clamp(27px,3vw,40px);line-height:1.2;letter-spacing:-1.2px;margin:13px 0 20px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:var(--panel);border:1px solid var(--line);border-radius:19px;padding:29px;min-height:230px}.card-icon{display:grid;place-items:center;background:color-mix(in srgb,var(--blue) 9%,var(--panel));color:var(--blue);height:45px;width:45px;border-radius:13px;font-size:23px}.card h3{margin:20px 0 8px;font-size:18px}.card p,.section-copy,.about p{color:var(--muted);margin:0}.calculator-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.calculator{padding:32px;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--panel)}.calculator label{display:block;font-size:14px;font-weight:650;margin-bottom:11px}.calculator input[type=number]{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:var(--bg);color:var(--ink);margin-bottom:26px}.calculator input[type=range]{width:100%;accent-color:var(--blue);cursor:pointer}.range-line{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;gap:8px}.range-line strong{color:var(--ink);font-size:12px}.result{background:var(--alt);padding:21px;border-radius:13px;margin-top:28px;display:grid;gap:3px}.result span{font-size:13px;color:var(--muted)}.result strong{font-size:31px;letter-spacing:-1px}.about{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.footer{border-top:1px solid var(--line);padding:27px 0;color:var(--muted);font-size:12px}.footer-inner{justify-content:space-between;gap:18px}.dark{color-scheme:dark;--bg:#101827;--panel:#182337;--alt:#131e30;--ink:#edf2fb;--muted:#a6b4c8;--line:#29384e;--blue:#72a1ff;--shadow:0 22px 70px rgba(0,0,0,.2)}.dark .primary-button{background:#326dec}.dark .primary-button:hover{background:#2156c4}
@media(max-width:800px){.hero{gap:40px;grid-template-columns:1fr;padding:70px 0}.visual{transform:none;max-width:520px}.calculator-layout,.about{grid-template-columns:1fr;gap:30px}.cards{grid-template-columns:1fr}.section{padding:70px 0}}@media(max-width:560px){.nav{height:67px}.menu{gap:13px;font-size:12px}.menu a:nth-child(1){display:none}.logo{font-size:16px}.logo-mark{width:32px;height:32px}.hero h1{letter-spacing:-1.4px}.visual,.calculator{padding:23px}.footer-inner{align-items:flex-start;flex-direction:column}}