:root{
  --rmx-ink:#102a43;--rmx-muted:#627d98;--rmx-line:#d8e4ee;--rmx-bg:#f3f7fb;
  --rmx-card:#ffffff;--rmx-blue:#2463a7;--rmx-blue-dark:#17385d;--rmx-mint:#dff4ed;
  --rmx-mint-strong:#2f9e84;--rmx-amber:#f5b942;--rmx-danger:#c94646;
  --rmx-shadow:0 24px 70px rgba(16,42,67,.12);--rmx-radius:24px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--rmx-bg);color:var(--rmx-ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}
button,input,textarea{font:inherit}.rmx-container{width:min(1180px,calc(100% - 32px));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:9999;background:#fff;color:var(--rmx-ink);padding:10px 14px;border-radius:10px}.skip-link:focus{top:16px}
.rmx-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--rmx-line)}.rmx-header__inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.rmx-brand{display:flex;align-items:center;gap:12px;color:var(--rmx-ink);font-weight:900;text-decoration:none}.rmx-brand img,.rmx-brand__icon{width:42px;height:42px;border-radius:13px}.rmx-brand__icon{display:grid;place-items:center;background:linear-gradient(145deg,var(--rmx-blue),var(--rmx-blue-dark));color:#fff;font-size:1.55rem;box-shadow:0 10px 24px rgba(36,99,167,.24)}.rmx-nav{display:flex;align-items:center;gap:24px}.rmx-nav a{color:#334e68;text-decoration:none;font-weight:750}.rmx-nav-toggle{display:none;border:0;background:transparent}.rmx-nav-toggle span{display:block;width:26px;height:2px;background:var(--rmx-ink);margin:5px}
.rmx-hero{padding:74px 0 48px;background:radial-gradient(circle at 12% 18%,#e7f5f1 0,transparent 36%),radial-gradient(circle at 92% 15%,#e5eef9 0,transparent 34%)}.rmx-hero__grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);align-items:center;gap:70px}.rmx-label{margin:0;color:var(--rmx-blue);font-size:.78rem;font-weight:900;letter-spacing:.17em}.rmx-hero h1{font-size:clamp(2.8rem,6vw,5.6rem);line-height:.98;letter-spacing:-.06em;margin:12px 0 24px}.rmx-hero__lead{max-width:700px;font-size:1.18rem;color:var(--rmx-muted)}.rmx-hero__points{display:flex;flex-wrap:wrap;gap:10px;margin-top:27px}.rmx-hero__points span{background:#fff;border:1px solid var(--rmx-line);padding:8px 13px;border-radius:999px;font-weight:750;box-shadow:0 8px 20px rgba(16,42,67,.06)}.rmx-hero__visual{padding:25px;border-radius:34px;background:linear-gradient(145deg,#17385d,#0c2238);box-shadow:var(--rmx-shadow);transform:rotate(2deg)}.rmx-mini-display{background:#eaf5df;border-radius:16px;padding:18px;text-align:right;font-size:2rem;font-weight:900;color:#173222}.rmx-mini-keys{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:14px}.rmx-mini-keys i{height:52px;border-radius:12px;display:grid;place-items:center;background:#fff;font-style:normal;font-weight:850}
.rmx-calculator-section{padding:32px 0 76px}.rmx-suite{background:var(--rmx-card);border:1px solid var(--rmx-line);border-radius:30px;box-shadow:var(--rmx-shadow);overflow:hidden}.rmx-suite__header{display:flex;justify-content:space-between;align-items:end;gap:30px;padding:30px 34px;background:linear-gradient(135deg,#fff,#eef6fb);border-bottom:1px solid var(--rmx-line)}.rmx-suite__header h2{font-size:clamp(1.8rem,3.3vw,2.7rem);line-height:1.15;letter-spacing:-.035em;margin:.35rem 0}.rmx-suite__header p:last-child{color:var(--rmx-muted);max-width:680px}.rmx-mode-tabs{display:flex;background:#e3edf4;padding:5px;border-radius:15px}.rmx-mode-tabs button{border:0;background:transparent;padding:12px 17px;border-radius:11px;font-weight:850;color:#486581;cursor:pointer}.rmx-mode-tabs button.is-active{background:#fff;color:var(--rmx-blue-dark);box-shadow:0 5px 15px rgba(16,42,67,.12)}.rmx-suite__body{padding:34px;background:linear-gradient(135deg,#edf8f7,#f8f5ed)}.rmx-panel[hidden]{display:none!important}.rmx-calculator,.rmx-scientific{max-width:540px;margin:auto;background:#102940;border-radius:25px;padding:18px;box-shadow:0 24px 48px rgba(16,42,67,.28)}.rmx-scientific{max-width:980px}.rmx-screen{position:relative;background:#edf6df;border:6px solid #2b4b5f;border-radius:18px;padding:18px;min-height:118px;display:flex;flex-direction:column;justify-content:end;text-align:right;margin-bottom:14px}.rmx-screen__expression{min-height:27px;color:#61755e}.rmx-screen__value{width:100%;border:0;background:transparent;text-align:right;font-size:2.65rem;font-weight:900;color:#153223;outline:none}.rmx-memory-badge{position:absolute;left:16px;top:14px;background:var(--rmx-mint-strong);color:#fff;border-radius:999px;padding:3px 8px;font-weight:900;font-size:.76rem}.rmx-memory-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:9px}.rmx-memory-row button{min-height:42px;border:1px solid #44627a;background:#193a54;color:#d9e8f4;border-radius:10px;font-weight:800}.rmx-keypad,.rmx-science-keypad{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.rmx-keypad button,.rmx-science-keypad button,.rmx-functions button{border:0;border-radius:13px;min-height:58px;background:#fff;color:var(--rmx-ink);font-weight:850;cursor:pointer;box-shadow:0 3px 0 #b8cad8;transition:transform .11s ease,filter .11s ease}.rmx-keypad button:hover,.rmx-science-keypad button:hover,.rmx-functions button:hover{filter:brightness(.98);transform:translateY(-1px)}.rmx-keypad button:active,.rmx-science-keypad button:active,.rmx-functions button:active{transform:translateY(2px);box-shadow:none}.rmx-keypad .is-operator,.rmx-science-keypad .is-operator{background:#d9ebfb;color:#12528f}.rmx-keypad .is-clear,.rmx-science-keypad .is-clear{background:#fff1f1;color:var(--rmx-danger)}.rmx-keypad .is-equals,.rmx-science-keypad .is-equals{background:var(--rmx-mint-strong);color:#fff;box-shadow:0 3px 0 #1a725f}.rmx-keypad .is-zero,.rmx-science-keypad .is-zero{grid-column:span 2}.rmx-tool-note{text-align:center;color:var(--rmx-muted);margin:15px 0 0}.rmx-scientific__top{display:flex;justify-content:space-between;gap:15px;margin-bottom:12px}.rmx-angle-switch{display:flex;gap:6px}.rmx-angle-switch button,.rmx-history-toggle{border:1px solid #49667c;background:#173b56;color:#dceaf5;border-radius:10px;padding:8px 12px;font-weight:800}.rmx-angle-switch button.is-active{background:var(--rmx-mint);color:#175d50}.rmx-screen--science{min-height:142px}.rmx-science-input{width:100%;border:0;background:transparent;text-align:right;font-size:1.15rem;color:#173222;outline:none}.rmx-science-result{font-size:2.35rem;font-weight:900;color:#153223}.rmx-science-status{color:#5d735f}.rmx-history{background:#17364f;border:1px solid #385972;color:#fff;border-radius:15px;padding:15px;margin-bottom:14px}.rmx-history__head{display:flex;align-items:center;justify-content:space-between;gap:15px}.rmx-history__head button{border:0;border-radius:9px;padding:8px 10px;font-weight:800}.rmx-history-item{display:flex;justify-content:space-between;gap:18px;width:100%;border:1px solid #4e6b80;background:#20445f;color:#fff;border-radius:10px;padding:10px 12px;margin-top:8px;text-align:left}.rmx-science-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:14px}.rmx-functions{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;background:#17364f;border-radius:17px;padding:13px}.rmx-functions button{min-height:50px}.rmx-science-keypad .is-equals{grid-column:1/-1}.rmx-empty{color:#c5d7e5}
.rmx-benefits,.rmx-content-section,.rmx-faq-section{padding:72px 0}.rmx-section-heading{max-width:760px;margin-bottom:30px}.rmx-section-heading h2{font-size:clamp(2rem,4vw,3rem);line-height:1.12;letter-spacing:-.04em;margin:.5rem 0}.rmx-benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}.rmx-benefit-grid article{background:#fff;border:1px solid var(--rmx-line);border-radius:20px;padding:24px;box-shadow:0 12px 32px rgba(16,42,67,.07)}.rmx-benefit-grid article>span{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#e7f1fb;color:var(--rmx-blue);font-weight:900}.rmx-benefit-grid h3{margin:15px 0 6px}.rmx-benefit-grid p{margin:0;color:var(--rmx-muted)}.rmx-article{background:#fff;border:1px solid var(--rmx-line);border-radius:24px;padding:clamp(26px,5vw,54px);box-shadow:var(--rmx-shadow)}.rmx-article--home{max-width:1180px;margin:auto}.rmx-article h2{font-size:2rem;line-height:1.25;letter-spacing:-.025em;margin:1.7em 0 .55em}.rmx-article h2:first-child{margin-top:0}.rmx-article h3{margin-top:1.5em}.rmx-article p,.rmx-article li{color:#435d73}.rmx-faq-shell{max-width:1180px}.rmx-faq-list details,.rmx-page-faq details{background:#fff;border:1px solid var(--rmx-line);border-radius:15px;padding:16px 18px;margin:10px 0}.rmx-faq-list summary,.rmx-page-faq summary{font-weight:850;cursor:pointer;display:flex;justify-content:space-between;gap:16px}.rmx-faq-list details[open] summary span{transform:rotate(45deg)}
.rmx-page-hero{padding:58px 0 30px}.rmx-page-hero__inner{max-width:1180px}.rmx-breadcrumbs{display:flex;gap:8px;color:var(--rmx-muted);font-size:.94rem}.rmx-page-hero h1{font-size:clamp(2.4rem,5vw,4.4rem);line-height:1.03;letter-spacing:-.05em;margin:14px 0}.rmx-page-intro{font-size:1.12rem;color:var(--rmx-muted)}.rmx-document{padding:24px 0 80px}.rmx-document__layout{display:grid;gap:28px;align-items:start}.rmx-page-faq{position:sticky;top:96px}.rmx-contact{display:grid;gap:16px;margin-top:28px}.rmx-contact__row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.rmx-contact label{display:grid;gap:7px;font-weight:750}.rmx-contact input,.rmx-contact textarea{width:100%;border:1px solid #b9c9d6;border-radius:11px;padding:12px;background:#fff}.rmx-primary{justify-self:start;border:0;background:var(--rmx-blue-dark);color:#fff;padding:12px 18px;border-radius:11px;font-weight:850}.hp-field{position:absolute;left:-9999px}.rmx-alert{padding:13px 15px;border-radius:12px}.is-success{background:#e2f7ee;color:#155e4d}.is-error{background:#fff0f0;color:#9e2f2f}.rmx-footer{background:#0e263c;color:#d9e7f2;padding:50px 0}.rmx-footer__grid{display:grid;grid-template-columns:1.25fr .8fr 1fr;gap:35px}.rmx-footer__brand p,.rmx-footer__note{color:#9eb5c7}.rmx-footer__links{display:grid;gap:8px}.rmx-footer a{color:#d9e7f2;text-decoration:none}
@media(max-width:940px){.rmx-hero__grid,.rmx-document__layout,.rmx-footer__grid{grid-template-columns:1fr}.rmx-hero__visual{max-width:480px}.rmx-benefit-grid{grid-template-columns:repeat(2,1fr)}.rmx-page-faq{position:static}.rmx-science-layout{grid-template-columns:1fr}}
@media(max-width:760px){.rmx-nav-toggle{display:block}.rmx-nav{display:none;position:absolute;top:76px;left:16px;right:16px;background:#fff;border:1px solid var(--rmx-line);border-radius:16px;padding:15px;box-shadow:var(--rmx-shadow);flex-direction:column;align-items:stretch}.rmx-nav.is-open{display:flex}.rmx-suite__header{flex-direction:column;align-items:stretch}.rmx-mode-tabs{width:100%}.rmx-mode-tabs button{flex:1}.rmx-suite__body{padding:18px}.rmx-contact__row{grid-template-columns:1fr}}
@media(max-width:560px){.rmx-container{width:min(100% - 20px,1180px)}.rmx-hero{padding-top:48px}.rmx-hero__grid{gap:34px}.rmx-hero__visual{padding:16px}.rmx-benefit-grid{grid-template-columns:1fr}.rmx-suite{border-radius:20px}.rmx-suite__header{padding:21px}.rmx-calculator,.rmx-scientific{padding:11px;border-radius:18px}.rmx-keypad button,.rmx-science-keypad button{min-height:52px}.rmx-functions{grid-template-columns:repeat(3,1fr);padding:10px}.rmx-functions button{min-height:46px}.rmx-footer__grid{text-align:center}.rmx-footer__links{justify-items:center}}