@font-face{font-family:Commissioner;src:url('/assets/commissioner-cyrillic-ext-wght-normal.woff2') format('woff2');font-weight:100 900;font-display:swap;unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Commissioner;src:url('/assets/commissioner-cyrillic-wght-normal.woff2') format('woff2');font-weight:100 900;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Commissioner;src:url('/assets/commissioner-latin-wght-normal.woff2') format('woff2');font-weight:100 900;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{font-family:Commissioner,Inter,Arial,sans-serif;color:#152039;background:#fff;font-synthesis:none;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth;--blue:#145de8;--ink:#132039;--pale:#eaf3ff;--line:#dfe5ed;--muted:#6e798d;--max:1220px}
*,*::before,*::after{box-sizing:border-box}html{scroll-padding-top:83px}body{margin:0;min-width:320px;overflow-x:clip}body,button,input{font-family:Commissioner,Inter,Arial,sans-serif}button,input{font-size:inherit}button{cursor:pointer}a{text-decoration:none;color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #fb9d37;outline-offset:4px}svg{display:block}.sprite{position:absolute;width:0;height:0;overflow:hidden}.ico{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{font-weight:600;letter-spacing:-.055em}h1{line-height:1.035}h2{line-height:1.07}p{line-height:1.65}small{line-height:1.5}.wrap{width:min(calc(100% - 72px),var(--max));margin-inline:auto}.section{padding:116px 0;position:relative}.eyebrow{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;display:inline-flex;align-items:center;gap:9px;line-height:1.4}.signal,.pulsedot{width:8px;height:8px;background:var(--blue);display:inline-block;border-radius:50%}.section-head{margin-bottom:54px}.section-head h2{font-size:clamp(38px,5.3vw,70px);margin:20px 0 19px}.section-head p{max-width:550px;font-size:17px;color:#6c7685}.blue{color:var(--blue)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:0 22px;min-height:53px;font-size:14px;font-weight:600;letter-spacing:-.01em;white-space:nowrap;transition:transform .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;border:1px solid transparent;border-radius:7px}.btn:hover{transform:translateY(-3px)}.btn .ico{width:17px;height:17px}.btn-primary{background:var(--blue);color:white}.btn-primary:hover{background:#004ac9}.btn-text{padding-inline:7px;background:transparent;color:var(--ink)}.btn-outline{border-color:#bac9d9;background:transparent;color:var(--ink)}.btn-outline:hover{border-color:var(--blue);color:var(--blue)}.btn-white{color:#14223c;background:white}.btn-white:hover{background:#e7f0ff}.btn-light{background:white;color:var(--blue)}.btn-ghost{color:white;border:1px solid #ffffff65}.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:translateY(0)}
/* header */
.site-header{position:relative;z-index:30;background:#fff;border-bottom:1px solid #e9edf2}.nav-wrap{height:80px;display:flex;align-items:center;gap:38px}.logo{display:inline-flex;align-items:center;font-weight:600;letter-spacing:-.065em;white-space:nowrap;color:#19233a}.logo-emblem{display:inline-flex;letter-spacing:-.19em;font-size:31px;font-weight:600;margin-right:9px;align-items:center;padding-right:3px}.logo-emblem span:last-child{transform:translateX(-1px)}.logo-word{font-size:21px;font-weight:600}.logo-dot{color:var(--blue)}.desktop-nav{display:flex;gap:29px;margin-left:auto}.desktop-nav a{color:#536074;font-size:13px;font-weight:500;transition:color .2s}.desktop-nav a:hover{color:var(--blue)}.nav-contact{display:inline-flex;align-items:center;gap:12px;font-size:13px;font-weight:600;border:1px solid #d9e1ec;padding:13px 17px;border-radius:6px}.nav-contact .ico{width:16px}.menu-toggle{display:none;border:0;background:transparent;color:var(--ink);padding:9px;margin-left:auto}.mobile-menu{display:none}.footer{background:#101b31;color:#e7efff;padding:58px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:32px;padding-bottom:72px}.footer-logo{color:white}.footer-top p{font-size:15px;color:#a8b4c7;margin:20px 0 0}.footer-right{display:flex;align-items:flex-start;gap:30px;font-size:14px;color:#c6d2e5}.footer-bottom{border-top:1px solid #ffffff2b;display:flex;justify-content:space-between;gap:18px;padding-top:22px;font-size:12px;color:#93a5bd}.sticky-mobile{display:none}
/* shared FAQ and contact */
.two-up{display:grid;grid-template-columns:.82fr 1.18fr;gap:95px}.faq-section{background:#fff}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:22px 0;list-style:none;cursor:pointer;font-size:18px;font-weight:500;line-height:1.4;letter-spacing:-.025em}.faq-item summary::-webkit-details-marker{display:none}.faq-plus{font-size:27px;color:var(--blue);font-weight:300;transition:transform .24s}.faq-item[open] .faq-plus{transform:rotate(45deg)}.faq-answer{padding:0 35px 25px 0;font-size:15px;line-height:1.75;color:#697486}.contact-section{background:var(--blue);color:#fff;padding:100px 0}.contact-inner{display:grid;grid-template-columns:1.25fr .75fr;gap:85px;align-items:end}.contact-inner h2{font-size:clamp(42px,5.6vw,78px);margin:17px 0 22px}.contact-inner p{font-size:16px;color:#e5ecff;max-width:580px}.contact-actions{display:flex;flex-direction:column;align-items:flex-start;gap:20px;padding-bottom:12px}.btn-contact{background:#fff;color:#132039;font-size:15px;min-height:62px;padding-inline:28px}.subtle-link{font-size:14px;color:white;text-decoration:underline;text-underline-offset:6px}.contact-note{display:block;color:#c7d8ff;font-size:12px;line-height:1.5;max-width:290px}
/* shared screenshot-inspired UI (explicitly illustrative) */
.desktop-mock{width:100%;background:white;border:1px solid #cfdced;border-radius:11px;overflow:hidden;box-shadow:0 28px 76px #1839711e}.mock-window-top{height:33px;background:#f6f8fb;border-bottom:1px solid #e4e9f0;display:flex;align-items:center;justify-content:space-between;padding:0 14px;font-size:8px;color:#a3aebc}.mock-circles{display:flex;gap:5px}.mock-circles i{width:6px;height:6px;border-radius:50%;background:#c6d1dd}.mock-circles i:first-child{background:#f3b2a9}.mock-circles i:nth-child(2){background:#f5d697}.mock-ui{display:flex;min-height:330px}.mock-sidebar{width:23%;background:#152238;color:#fff;padding:16px 11px;position:relative}.mock-sidebar strong{font-size:12px;letter-spacing:-.05em;display:block;margin-bottom:31px}.mock-sidebar strong span{font-weight:400}.mock-nav-item{display:flex;align-items:center;gap:7px;font-size:9px;color:#b8c4d7;border-radius:3px;padding:10px 5px;margin:4px 0;white-space:nowrap}.mock-nav-item .ico{width:12px;height:12px}.mock-nav-item.active{background:#2c3a53;color:#fff}.sidebar-bottom{position:absolute;bottom:14px;left:17px;font-size:9px;color:#9aa8c1}.mock-main{flex:1;padding:16px;min-width:0;background:#f9fbfe}.mock-header{display:flex;justify-content:space-between;align-items:center}.mock-header small{color:#93a0b1;font-size:8px}.mock-header h3{font-size:16px;letter-spacing:-.03em;margin:2px 0 11px}.mock-avatar{width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:#d9e6fb;color:var(--blue);font-size:8px;font-weight:600}.mock-welcome{background:linear-gradient(120deg,#e8f3ff,#e0eafe);padding:14px;display:flex;justify-content:space-between;overflow:hidden;border-radius:4px;margin-bottom:13px}.mock-welcome>div:first-child{display:flex;flex-direction:column;gap:4px}.mock-welcome small{font-size:7px;letter-spacing:.08em;color:#4979c2}.mock-welcome b{font-size:12px}.mock-welcome span{font-size:7px;color:#8498b5}.welcome-abstract{font-size:44px;color:#83b7fa;line-height:1}.demo-course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.demo-course{border:1px solid #e5eaf1;border-radius:5px;overflow:hidden;background:#fff}.demo-cover{height:98px;color:#fff;padding:11px;display:flex;flex-direction:column;justify-content:space-between;gap:10px;overflow:hidden}.demo-cover span{font-size:8px;opacity:.85;letter-spacing:.05em}.demo-cover strong{font-size:14px;line-height:1;letter-spacing:-.02em}.cover-a{background:linear-gradient(150deg,#066b68,#2c9e8c)}.cover-b{background:linear-gradient(150deg,#e77935,#bd4c2b)}.cover-c{background:linear-gradient(150deg,#03663d,#269967)}.demo-course-info{padding:9px}.demo-course-info b{display:block;font-size:8px}.demo-course-info small{font-size:7px;color:#96a1b2}.mock-caption{padding:11px 16px;text-align:right;color:#9ba7b9;font-size:9px;background:#fff}.mock-caption a{color:var(--blue);text-decoration:underline}
/* phone */
.phone-shell{width:260px;height:530px;border:8px solid #202a3b;border-radius:37px;background:#202a3b;position:relative;box-shadow:0 28px 75px #0a214549;transform:rotate(-4deg);overflow:hidden}.phone-notch{z-index:1;width:70px;height:16px;background:#202a3b;border-radius:0 0 14px 14px;position:absolute;top:0;left:calc(50% - 35px)}.phone-inner{background:#f8fafc;border-radius:29px;height:100%;overflow:hidden;padding:14px 15px;color:#1e293b}.phone-status{display:flex;justify-content:space-between;font-size:10px;font-weight:600;margin-bottom:19px}.phone-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}.phone-top b{font-size:14px;letter-spacing:-.04em}.phone-top .ico{width:16px}.app-hello{font-size:12px;color:#79899d;margin-bottom:17px}.app-hello strong{font-size:19px;color:#16243e;letter-spacing:-.04em;display:block;margin-top:4px}.app-maincover{height:126px;padding:15px;background:linear-gradient(130deg,#1859d5,#89b6f1);border-radius:7px;color:white;display:flex;flex-direction:column;justify-content:space-between}.app-maincover small{font-size:8px;letter-spacing:.12em}.app-maincover b{font-size:23px;line-height:1;letter-spacing:-.05em}.app-maincover span{font-size:9px}.app-progress{font-size:11px;margin-top:20px;display:grid;grid-template-columns:1fr auto;gap:9px}.app-progress strong{font-size:12px}.progress-track{height:6px;background:#d9e7fc;border-radius:15px;overflow:hidden}.app-progress .progress-track{grid-column:1/-1}.progress-track i{display:block;height:100%;background:var(--blue);border-radius:15px}.app-lessons{margin-top:20px}.app-lessons b{font-size:12px}.app-lessons>div{margin-top:12px;background:white;border-radius:5px;padding:10px 7px;font-size:9px;display:flex;justify-content:space-between;gap:8px;color:#647489}.app-lessons>div span{color:var(--blue)}.phone-tabs{position:absolute;bottom:12px;left:14px;right:14px;background:white;border-radius:8px;box-shadow:0 -2px 14px #8899bb12;display:flex;justify-content:space-between;padding:10px;color:#7290b5}.phone-tabs span{display:flex;flex-direction:column;align-items:center;font-size:15px;gap:3px}.phone-tabs small{font-size:7px}
/* A hero */
.hero-a{background:radial-gradient(circle at 20% 5%,#f3f8ff 0,transparent 45%),#fff;padding:82px 0 98px;overflow:hidden;min-height:695px}.hero-a-grid{display:grid;grid-template-columns:1.02fr 1fr;align-items:center;gap:45px}.hero-a-copy{z-index:2}.hero-a-copy .eyebrow{color:#4268a9}.hero-a h1{font-size:clamp(50px,5.8vw,85px);margin:24px 0 25px;letter-spacing:-.067em;white-space:nowrap}.hero-a h1 em{font-style:normal;color:var(--blue)}.hero-a-copy>p{max-width:495px;color:#68758a;font-size:17px;line-height:1.65;margin-bottom:27px}.hero-proof{display:flex;gap:20px;flex-wrap:wrap;margin-top:55px}.hero-proof span{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:#5f7088}.hero-proof .ico{width:14px;height:14px;color:var(--blue)}.hero-a-art{transform:perspective(1200px) rotateY(-7deg) rotateX(2deg);position:relative;z-index:1;margin-right:-60px}.hero-a-art.visible{transform:perspective(1200px) rotateY(-7deg) rotateX(2deg)}.hero-a-art .desktop-mock{width:680px}.hero-side-stamp{position:absolute;right:-25px;bottom:18px;transform:rotate(-90deg);transform-origin:right top;font-size:9px;letter-spacing:.25em;color:#a9bfdc}
.marquee{background:var(--blue);color:white;overflow:hidden;transform:skewY(-1.25deg);padding:14px 0}.marquee-track{display:flex;width:max-content;animation:marquee 30s linear infinite;gap:30px;font-size:12px;font-weight:600;letter-spacing:.085em}.marquee-track span{white-space:nowrap}.marquee:hover .marquee-track,.marquee:focus-within .marquee-track{animation-play-state:paused}@keyframes marquee{to{transform:translateX(-50%)}}
.issue-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.issue{padding:32px 40px 25px 0;position:relative}.issue+.issue{border-left:1px solid var(--line);padding-left:36px}.issue .ico{color:var(--blue);height:32px;width:32px;margin:25px 0 22px}.issue-num{font-size:12px;color:#9bacbf}.issue h3{font-size:25px;margin-bottom:14px}.issue p{font-size:15px;color:#758094;line-height:1.68}.demo-section{background:#f1f6fd}.demo-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px;align-items:center}.demo-left h2{font-size:clamp(45px,4.7vw,65px);margin:22px 0}.demo-left p{color:#65738c;font-size:16px}.demo-tabs{display:flex;flex-direction:column;gap:1px;margin:33px 0 32px}.demo-tab{border:0;border-bottom:1px solid #cbd8e8;background:transparent;text-align:left;color:#7b899c;padding:15px 3px;font-size:14px}.demo-tab.active{color:var(--blue);font-weight:600;border-bottom:2px solid var(--blue)}.demo-stage{background:white;padding:25px;border-radius:10px;min-height:432px;box-shadow:0 20px 45px #41639b12}.demo-stage-inner[hidden]{display:none}.demo-stage-inner h3{font-size:30px;margin:10px 0 26px}.demo-stage .demo-course-grid{gap:12px}.demo-stage .demo-cover{height:190px}.demo-stage .demo-cover strong{font-size:22px}.demo-stage .demo-cover span{font-size:10px}.demo-stage .demo-course-info{padding:16px 12px}.demo-stage .demo-course-info b{font-size:12px}.demo-stage .demo-course-info small{font-size:10px}.mini-badge{font-size:10px;letter-spacing:.12em;color:var(--blue)}.lesson-video{background:#192a4b;height:230px;display:flex;justify-content:center;align-items:center;gap:20px;color:white;border-radius:4px}.lesson-video .ico{width:54px;height:54px;padding:14px;border-radius:50%;background:#ffffff26}.lesson-video span{font-size:12px}.lesson-row{margin-top:15px;display:flex;justify-content:space-between;font-size:12px;gap:14px;color:#60708b}.lesson-row b{color:#1c2d4a}.progress-large{font-size:105px;color:var(--blue);letter-spacing:-.08em;font-weight:600;line-height:1.15;margin-top:20px}.progress-large small{font-size:36px}.demo-stage-inner>.progress-track{height:12px}.demo-stage-inner>p{color:#718298;font-size:14px;margin:15px 0}.progress-badges{margin-top:35px;display:flex;gap:15px;font-size:12px;justify-content:space-between}.progress-badges span{color:var(--blue)}
.tools-section{background:#fff}.tools-grid{display:grid;grid-template-columns:1.18fr 1fr 1fr;gap:16px}.tool-card{min-height:398px;padding:26px 24px;background:#f3f7fd;border:1px solid #e5edf7;display:flex;flex-direction:column;overflow:hidden}.tool-card>span{display:flex;gap:10px;align-items:center;font-size:10px;letter-spacing:.1em;font-weight:600;color:#4a6fab}.tool-card>span .ico{width:18px}.tool-card h3{font-size:23px;line-height:1.2;letter-spacing:-.04em;margin:auto 0 0}.video-art{height:190px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:35px;margin:35px 0;background:linear-gradient(125deg,#a8c8f5,#d7e6fb);position:relative}.art-play{width:58px;height:58px;background:#fff;color:var(--blue);border-radius:50%;display:grid;place-items:center}.art-video-line{height:3px;background:#ffffff77;width:76%;position:relative}.art-video-line i{display:block;height:100%;width:55%;background:white}.formula-art{font-size:29px;font-weight:600;letter-spacing:-.055em;color:#205ba7;flex:1;display:flex;justify-content:center;flex-direction:column;gap:18px;text-align:center}.formula-art div{display:flex;gap:9px;justify-content:center}.formula-art div b{background:white;padding:12px;font-size:16px;font-weight:500}.docs-art{flex:1;display:flex;justify-content:center;flex-direction:column;gap:11px}.docs-art div{display:flex;justify-content:space-between;gap:7px;background:white;padding:17px 13px;font-size:12px;color:#596d8a}.docs-art b{color:#3176dc}.mobile-section{background:#eaf3ff;overflow:hidden;padding:110px 0}.mobile-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:50px}.mobile-copy h2{font-size:clamp(48px,6vw,76px);margin:20px 0}.mobile-copy>p{font-size:17px;color:#647890;max-width:500px}.tick-lines{display:flex;flex-direction:column;gap:13px;margin:28px 0}.tick-lines span{display:flex;align-items:center;gap:10px;font-size:14px}.tick-lines .ico{width:16px;height:16px;color:var(--blue)}.mobile-copy>small{color:#8192a7;max-width:500px;display:block;font-size:11px}.mobile-visual{min-height:555px;display:grid;place-items:center;position:relative}.mobile-visual:before{content:'';position:absolute;width:430px;height:430px;border:1px solid #bbd6ff;border-radius:50%;box-shadow:0 0 0 55px #dceaff,0 0 0 56px #c6defd;opacity:.8}.mobile-visual .phone-shell{z-index:2}.orbit-label{position:absolute;bottom:65px;right:6px;color:#4d7cc1;font-size:9px;letter-spacing:.12em}
.model-section{background:#135ce8;color:white}.model-grid{display:grid;grid-template-columns:1fr .85fr;gap:95px;align-items:center}.model-grid h2{font-size:clamp(55px,6vw,84px);margin:22px 0}.model-grid h2 span{color:#a9c9ff}.model-lead{font-size:21px;line-height:1.4;color:#e4edff;margin-bottom:35px}.model-contrast>div{display:grid;grid-template-columns:1fr auto;gap:5px;align-items:center;padding:20px 22px;background:#ffffff13;border:1px solid #ffffff35;margin:8px 0}.model-contrast small{font-size:10px;letter-spacing:.13em;color:#cfddff}.model-contrast span{grid-column:1;font-size:15px}.model-contrast b{grid-row:1/3;grid-column:2;font-size:23px}.model-contrast .active{background:white;color:#1c59ca}.model-contrast .active small{color:#5781cf}.model-contrast .cross{color:#a3c2f9}.model-right .caveat{color:#d1e0ff;font-size:12px;line-height:1.6;margin:20px 0}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.step{border-top:2px solid var(--blue);padding:22px 35px 0 0}.step strong{color:#8eb5eb;font-size:48px;letter-spacing:-.07em;font-weight:500}.step h3{font-size:24px;margin:25px 0 10px}.step p{color:#7a8597;font-size:15px}
/* Variant B */
.theme-b{--blue:#245fd2;--ink:#1c2b45;background:#f8f8f3}.theme-b .site-header{background:#f8f8f3}.hero-b{background:#f8f8f3;overflow:hidden;padding:90px 0 75px;min-height:740px}.brand-hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.brand-hero-copy h1{font-size:clamp(57px,5.8vw,84px);letter-spacing:-.065em;margin:24px 0 24px}.brand-hero-copy h1 span{color:var(--blue)}.brand-hero-copy>p{font-size:17px;line-height:1.7;color:#6d7a8b;max-width:500px;margin-bottom:29px}.brand-smallprint{margin-top:35px;color:#8290a1;font-size:12px}.brand-hero-art{height:520px;position:relative;display:grid;place-items:center}.brand-orbit{position:absolute;inset:18px;border:1px solid #dfe5e9;border-radius:50%;font-size:9px;letter-spacing:.3em;color:#b5c2d0;text-align:center;padding-top:10px;transform:rotate(-17deg)}.brand-orbit span{color:var(--blue)}.brand-hero-card{width:340px;height:445px;background:#145ee8;color:white;transform:rotate(8deg);padding:25px;box-shadow:30px 36px 60px #264c9925;display:flex;flex-direction:column;justify-content:space-between;position:relative;z-index:1;border-radius:2px}.brand-hero-card-top{display:flex;justify-content:space-between}.brand-hero-card-top b{font-size:16px;letter-spacing:-.045em}.brand-hero-card-top b span{font-weight:400}.brand-hero-card-center small{font-size:9px;letter-spacing:.09em;color:#bbd1ff}.brand-hero-card-center h2{font-size:43px;line-height:1.12;margin:23px 0}.brand-hero-card-foot{display:flex;gap:12px;align-items:center;border-top:1px solid #ffffff4d;padding-top:20px;font-size:10px}.brand-avatar{width:35px;height:35px;display:grid;place-items:center;border-radius:50%;background:white;color:#1c5bdb;font-size:17px}.brand-sticker{position:absolute;z-index:3;bottom:15px;left:8px;width:110px;height:110px;background:#fff;color:var(--blue);display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:50%;font-size:26px;letter-spacing:-.08em;box-shadow:0 20px 35px #0000000e;transform:rotate(-13deg)}.brand-sticker small{font-size:9px;line-height:1.1;text-align:center;letter-spacing:.08em}.brand-hero-oversized{font-size:clamp(68px,11.5vw,192px);font-weight:600;letter-spacing:-.09em;color:#e7e9e5;white-space:nowrap;line-height:1;position:absolute;bottom:-30px;left:1vw;z-index:0;pointer-events:none}.brand-intro{background:#fff}.brand-intro-grid{display:grid;grid-template-columns:.6fr 1.55fr .85fr;gap:35px;align-items:start}.brand-intro-grid h2{font-size:clamp(44px,5.2vw,74px);margin:0}.brand-intro-grid h2 i{color:var(--blue);font-style:normal}.brand-intro-grid p{font-size:16px;color:#798597}.brand-stat-grid{margin-top:80px;border-top:1px solid #e2e7ed;display:grid;grid-template-columns:repeat(3,1fr)}.brand-stat-grid>div{display:flex;gap:15px;align-items:baseline;padding:23px 15px 0 0}.brand-stat-grid>div+div{border-left:1px solid #e2e7ed;padding-left:33px}.brand-stat-grid strong{font-weight:500;font-size:40px;color:#b8cdf1}.brand-stat-grid span{font-size:15px;line-height:1.4}.brand-lab{background:#ecf3fc}.brand-lab .section-head h2 em{color:var(--blue);font-style:normal}.lab-grid{display:grid;grid-template-columns:.38fr .62fr;gap:45px;align-items:center}.lab-controls{padding:22px 0}.lab-controls label,.lab-label{display:block;font-size:10px;letter-spacing:.14em;font-weight:600;margin-bottom:13px}.lab-controls input{width:100%;border:1px solid #c1d1e8;padding:15px 16px;font-size:17px;background:#fff;border-radius:3px;margin-bottom:30px;color:#17253c}.color-dots{display:flex;gap:11px;margin-bottom:40px}.color-dot{width:36px;height:36px;border-radius:50%;background:var(--dot);border:3px solid white;box-shadow:0 0 0 1px transparent;outline:0}.color-dot.active{box-shadow:0 0 0 2px #1a2a45}.lab-explainer{border-top:1px solid #c5d8ef;padding:25px 0}.lab-explainer b{font-size:20px}.lab-explainer p{font-size:14px;color:#6c819a;margin:8px 0 0}.lab-preview{--brand-color:#145ee8;background:white;border:1px solid #d9e3f1;box-shadow:0 30px 65px #1b46811c;overflow:hidden;border-radius:4px}.lab-preview-nav{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 30px;font-size:12px}.lab-preview-nav b{font-size:19px;font-weight:600;letter-spacing:-.04em;color:var(--brand-color)}.lab-preview-nav span{color:#77849b}.lab-preview-hero{background:var(--brand-color);min-height:310px;padding:40px;display:flex;justify-content:space-between;align-items:center;color:white;gap:8px;transition:background .25s}.lab-preview-hero small{font-size:10px;letter-spacing:.14em}.lab-preview-hero h3{font-size:48px;line-height:1.07;margin:15px 0}.lab-preview-hero span{font-size:13px;color:#ffffffe0}.lab-faux-btn{border:1px solid #ffffff77;display:block;width:max-content;padding:13px 16px;font-size:12px;margin-top:24px}.lab-preview-letter{font-size:170px;opacity:.16;letter-spacing:-.13em;font-weight:600;line-height:1}.lab-preview-bottom{padding:26px 30px;display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.lab-preview-bottom div{border-top:1px solid #e4e9f1;padding-top:15px;display:flex;flex-direction:column;gap:5px}.lab-preview-bottom small{font-size:10px;color:#a2afc3;letter-spacing:.1em}.lab-preview-bottom b{font-size:14px}.disclaimer{font-size:12px;color:#72839b;text-align:right;margin:17px 0 0}.disclaimer a{color:var(--blue);text-decoration:underline}.brand-features{background:#fff}.brand-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.brand-feature{border:1px solid #e1e8f0;padding:35px 32px;min-height:315px}.feature-icon{width:56px;height:56px;background:#f0f5ff;display:grid;place-items:center;color:var(--blue);margin-bottom:37px}.feature-icon .ico{width:25px;height:25px}.brand-feature>span{font-size:10px;letter-spacing:.13em;color:#7c92ad}.brand-feature h3{font-size:26px;margin:11px 0}.brand-feature p{color:#7a8796;font-size:15px}.brand-story{background:#f8f8f3}.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.story-visual{background:var(--blue);height:470px;position:relative;overflow:hidden;padding:37px;color:white;display:flex;flex-direction:column;justify-content:space-between}.story-quote{font-size:clamp(29px,3vw,43px);line-height:1.23;letter-spacing:-.05em;max-width:380px}.story-mosaic{display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:70px;gap:10px;transform:rotate(-8deg) translateY(45px);width:115%;margin-left:-10px}.story-mosaic span{display:grid;place-items:center;font-size:14px;letter-spacing:.09em;background:#fff;color:var(--blue)}.story-mosaic span:nth-child(2){background:#cee0ff}.story-mosaic span:nth-child(3){background:#a5c9ff}.story-copy h2{font-size:clamp(50px,5vw,75px);margin:18px 0}.story-copy p{font-size:17px;color:#758192}.brand-price{background:#e7eef8}.price-b-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center}.price-b-layout h2{font-size:clamp(45px,5.5vw,76px);margin:20px 0}.price-b-layout h2 em{font-style:normal;color:var(--blue)}.price-b-layout p{max-width:510px;color:#78859a;font-size:16px}.price-b-layout .btn{margin-top:14px}.price-b-card{background:#fff;min-height:430px;padding:36px 38px;display:flex;flex-direction:column;box-shadow:22px 22px 0 #d0e0f9}.price-b-card-header{display:flex;justify-content:space-between;color:#6183b6;letter-spacing:.13em;font-size:11px}.price-b-card-header span{font-size:28px;color:var(--blue)}.price-b-card>strong{font-size:115px;line-height:1;letter-spacing:-.095em;color:var(--blue);font-weight:500;margin:22px 0}.price-b-card>strong span{font-size:34px;letter-spacing:-.04em;margin-left:15px}.price-b-card h3{font-size:20px;line-height:1.35;max-width:370px;margin-bottom:27px}.price-b-check{border-top:1px solid #e6eaf1;display:flex;align-items:center;gap:13px;padding:13px 0;font-size:14px}.price-b-check .ico{color:var(--blue);width:17px}.price-b-card>small{font-size:10px;color:#8795aa;margin-top:14px}.brand-process{background:#fff}.process-list{border-top:1px solid #d9e1e9}.process-list>div{display:grid;grid-template-columns:65px 1.2fr .9fr 35px;gap:35px;align-items:center;border-bottom:1px solid #d9e1e9;padding:30px 0}.process-list span{font-size:20px;color:#a8c4eb}.process-list h3{font-size:23px;margin:0}.process-list p{margin:0;color:#7e8a9a;font-size:14px}.process-list .ico{color:var(--blue)}
/* Variant C */
.theme-c{--blue:#2169f1;--ink:#15233c}.theme-c .site-header{background:#0d1d3b;border-bottom:1px solid #ffffff18}.theme-c .site-header .logo,.theme-c .desktop-nav a,.theme-c .nav-contact,.theme-c .menu-toggle{color:white}.theme-c .desktop-nav a:hover{color:#90b5ff}.theme-c .nav-contact{border-color:#ffffff43}.hero-c{background:#0d1d3b;color:white;min-height:720px;padding:94px 0 48px;overflow:hidden}.c-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.c-eyebrow{display:inline-flex;gap:10px;align-items:center;font-size:11px;letter-spacing:.16em;color:#a9c0e8}.c-eyebrow .pulsedot{background:#77a7ff;box-shadow:0 0 0 5px #77a7ff20;animation:pulse 2s infinite}@keyframes pulse{50%{box-shadow:0 0 0 11px #77a7ff00}}.c-hero-copy h1{font-size:clamp(62px,6.2vw,88px);margin:23px 0 28px}.c-hero-copy h1 i{font-style:normal;color:#83aeff}.c-hero-copy>p{font-size:16px;color:#bfcee9;max-width:495px;margin-bottom:29px}.c-caption{font-size:12px;color:#8ba3cb;margin-top:50px}.c-hero-visual{min-height:480px;display:grid;place-items:center;position:relative}.c-display-card{width:520px;background:white;border:8px solid #192e52;padding:13px;color:#182745;border-radius:18px;position:relative;z-index:2;transform:rotate(4deg);box-shadow:0 40px 80px #00000035}.c-ui-top{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.1em;padding:4px 3px 15px}.c-video-box{height:280px;position:relative;background:radial-gradient(circle at 50% 60%,#205bca,#111c35 70%);display:flex;justify-content:center;align-items:center;overflow:hidden;color:white}.c-video-box::before,.c-video-box::after{content:'';width:360px;height:360px;border:1px solid #5c95fb40;border-radius:50%;position:absolute}.c-video-box::after{width:500px;height:500px}.c-play-circle{height:76px;width:76px;z-index:1;background:#ffffff20;backdrop-filter:blur(5px);border:1px solid #ffffff88;border-radius:50%;display:grid;place-items:center}.c-play-circle .ico{width:31px;height:31px}.c-video-badge{position:absolute;top:16px;left:18px;font-size:10px;letter-spacing:.12em}.c-video-math{position:absolute;bottom:20px;right:18px;font-size:16px;color:#bcd3ff}.c-ui-bottom{padding:17px 3px 5px;display:flex;align-items:center;justify-content:space-between}.c-ui-bottom b,.c-ui-bottom small{display:block}.c-ui-bottom b{font-size:16px}.c-ui-bottom small{font-size:11px;color:#7b89a0;margin-top:5px}.c-ui-bottom>span{background:#e7eefb;color:var(--blue);padding:10px;border-radius:50%}.c-float-widget{position:absolute;right:-28px;bottom:22px;background:white;color:#1b2c4b;width:150px;padding:18px;box-shadow:0 20px 35px #0002;z-index:3;border-radius:7px;transform:rotate(-8deg)}.c-float-widget span{font-size:10px;letter-spacing:.12em}.c-float-widget strong{font-size:42px;display:block;letter-spacing:-.075em;margin:12px 0 8px}.c-deco-ring{position:absolute;inset:0;border:1px solid #385a9255;border-radius:50%;box-shadow:0 0 0 55px #132b5266;z-index:0}.c-big-bottom{width:min(calc(100% - 72px),var(--max));margin:70px auto 0;font-size:10px;letter-spacing:.45em;color:#6e8ebb}.c-intro{background:#fff}.c-steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.c-step{min-height:360px;border:1px solid #e3eaf3;padding:28px;position:relative}.c-step-index{font-size:12px;color:#98afd3}.c-step-graphic{height:160px;display:flex;justify-content:center;align-items:center;gap:25px;font-size:28px;color:var(--blue);font-weight:500}.c-step-graphic span{font-size:50px;color:#a4c2f7}.c-graphic-2{font-size:43px}.c-graphic-3{font-size:55px}.c-graphic-3 span{font-size:25px}.c-step h3{font-size:25px;margin:8px 0}.c-step p{font-size:15px;color:#7b8799}.c-interactive{background:#eaf3ff}.c-interactive-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:80px;align-items:center}.c-interactive-copy h2{font-size:clamp(46px,5.3vw,73px);margin:20px 0}.c-interactive-copy h2 span{color:var(--blue)}.c-interactive-copy>p{font-size:16px;color:#6d7e96;max-width:480px}.c-demo-detail{display:flex;flex-direction:column;gap:17px;margin:29px 0}.c-demo-detail div{font-size:14px;display:flex;align-items:center;gap:12px}.c-demo-detail .ico{color:var(--blue)}.quiz-panel{background:#fff;padding:38px 40px;box-shadow:0 24px 70px #426eaf18;min-height:520px}.quiz-top{display:flex;justify-content:space-between;font-size:10px;color:#7385a4;letter-spacing:.08em}.quiz-progress{background:#dbe7f7;height:3px;margin:22px 0 27px}.quiz-progress span{display:block;width:64%;height:3px;background:var(--blue)}.quiz-tag{font-size:12px;color:var(--blue)}.quiz-panel h3{font-size:29px;margin:14px 0 16px}.quiz-equation{font-size:35px;letter-spacing:-.03em;font-weight:500;padding:5px 0 20px}.quiz-options{display:flex;flex-direction:column;gap:10px}.quiz-options button{background:white;border:1px solid #dce4ee;padding:13px 15px;text-align:left;display:flex;gap:22px;font-size:14px;color:#6e82a1}.quiz-options button span{color:#1f2c44}.quiz-options button.selected{border-color:var(--blue);background:#eaf3ff}.quiz-options button.correct{border-color:#119066;background:#e4f8ed}.quiz-options button.incorrect{border-color:#dd5061;background:#ffecee}.quiz-result{font-size:12px;min-height:19px;margin-top:12px;font-weight:600}.quiz-submit{background:#145dea;color:white;border:0;padding:15px 19px;display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:8px;font-weight:600}.quiz-submit:disabled{background:#bac9dc;cursor:not-allowed}.quiz-reset{border:0;background:transparent;color:var(--blue);font-size:12px;margin-top:10px}.quiz-reset[hidden]{display:none}.c-subjects{background:#fff}.c-subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.subject{min-height:305px;padding:22px;display:flex;flex-direction:column;justify-content:space-between;color:white;overflow:hidden;position:relative}.subject::after{content:'↗';font-size:120px;color:#ffffff17;position:absolute;right:-6px;top:35px}.subject:nth-child(1){background:#174eae}.subject:nth-child(2){background:#0b866f}.subject:nth-child(3){background:#c86431}.subject:nth-child(4){background:#202a43}.subject>span{font-size:11px;letter-spacing:.1em;opacity:.75}.subject strong{font-size:32px;letter-spacing:-.05em;line-height:1;z-index:1;font-weight:500;margin:auto 0 13px}.subject small{font-size:11px;opacity:.8;z-index:1}.c-mobile{background:#f0f5fb;overflow:hidden}.c-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:95px;align-items:center}.c-mobile-visual{min-height:560px;display:grid;place-items:center;position:relative}.c-mobile-visual::before{position:absolute;content:'';height:470px;width:470px;border-radius:50%;background:#d7e6fa}.c-phone-label{position:absolute;left:20px;bottom:60px;color:#6892cc;font-size:10px;letter-spacing:.12em}.c-mobile-text h2{font-size:clamp(52px,5.7vw,78px);margin:20px 0}.c-mobile-text h2 span{color:var(--blue)}.c-mobile-text>p{font-size:17px;color:#708097}.c-mobile-points{margin:35px 0;display:flex;flex-direction:column;gap:18px}.c-mobile-points div{display:flex;align-items:center;gap:12px;font-size:14px}.c-mobile-points .ico{color:var(--blue)}.c-mobile-text>small{font-size:11px;color:#8290a3}.c-pricing{background:#1356d7;color:#fff}.c-pricing-grid{display:grid;grid-template-columns:1fr .82fr;gap:90px;align-items:center}.c-pricing-grid h2{font-size:clamp(44px,5.3vw,77px);margin:21px 0}.c-pricing-grid h2 span{color:#bbd4ff}.big-once{font-size:65px;line-height:1;letter-spacing:-.07em;font-weight:600;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #ffffff70;padding-bottom:18px}.big-once span{font-size:40px}.c-pricing-right h3{font-size:24px;line-height:1.3;margin:24px 0}.c-pricing-right p{color:#d5e3ff;font-size:14px;margin-bottom:30px}.c-workflow{background:white}.c-workflow-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.c-workflow-list>div{border-top:2px solid #2b6bee;padding:28px 25px 0 0}.c-workflow-list span{color:var(--blue);font-size:11px;letter-spacing:.14em}.c-workflow-list h3{font-size:24px;margin:45px 0 10px}.c-workflow-list p{font-size:15px;color:#7a8799}
/* responsiveness */
@media(max-width:1160px){.desktop-nav{gap:17px}.nav-wrap{gap:15px}.hero-a-art .desktop-mock{width:570px}.hero-a h1{font-size:clamp(48px,5.8vw,70px)}.c-display-card{width:460px}.c-video-box{height:235px}.brand-hero-copy h1{font-size:62px}}
@media(max-width:930px){.wrap{width:min(calc(100% - 48px),var(--max))}.desktop-nav,.nav-contact{display:none}.menu-toggle{display:block}.mobile-menu:not([hidden]){display:flex;flex-direction:column;background:#fff;position:absolute;left:0;right:0;box-shadow:0 20px 35px #00000018;padding:12px 24px 25px}.mobile-menu a{border-bottom:1px solid #e9edf3;padding:16px 0;font-size:15px}.theme-c .mobile-menu:not([hidden]){background:#10244b;color:#fff}.theme-c .mobile-menu a{border-color:#ffffff25}.hero-a-grid,.brand-hero-layout,.c-hero-grid{grid-template-columns:1fr;gap:35px}.hero-a{padding:70px 0 80px}.hero-a-art{margin:0;transform:none!important}.hero-a-art .desktop-mock{width:100%}.hero-a h1{font-size:74px}.brand-hero-art{height:500px}.brand-hero-copy h1{font-size:76px}.hero-b{padding:65px 0}.brand-hero-oversized{display:none}.c-hero-visual{min-height:485px}.c-display-card{width:min(92%,520px)}.c-float-widget{right:4%;bottom:0}.hero-c{padding:75px 0}.issue-grid,.brand-feature-grid,.c-steps-grid,.c-workflow-list{grid-template-columns:1fr}.issue+.issue{border-left:none;border-top:1px solid var(--line);padding-left:0}.issue{padding:25px 0}.issue .ico{margin:12px 0}.demo-layout,.model-grid,.price-b-layout,.c-interactive-grid,.c-pricing-grid{grid-template-columns:1fr;gap:35px}.demo-stage{max-width:750px}.tools-grid{grid-template-columns:1fr 1fr}.tool-card:first-child{grid-column:1/-1}.mobile-grid,.story-grid,.c-mobile-grid{grid-template-columns:1fr;gap:20px}.two-up{grid-template-columns:1fr;gap:16px}.contact-inner{grid-template-columns:1fr;gap:18px}.brand-intro-grid{grid-template-columns:1fr 1fr}.brand-intro-grid .eyebrow{grid-column:1/-1}.lab-grid{grid-template-columns:1fr;gap:22px}.brand-lab-top .section-head{margin-bottom:12px}.brand-stat-grid{margin-top:50px}.c-subject-grid{grid-template-columns:1fr 1fr}.c-mobile-visual{order:2}.c-mobile-text{order:1}.process-list>div{grid-template-columns:36px 1fr 35px;gap:20px}.process-list p{grid-column:2}.process-list .ico{grid-column:3;grid-row:1/3}.c-workflow-list>div{padding:26px 0;border-bottom:1px solid #e5ebf3;min-height:0}.c-workflow-list h3{margin:15px 0}.footer-top{padding-bottom:42px}}
@media(max-width:600px){html{scroll-padding-top:64px}.wrap{width:calc(100% - 36px)}.nav-wrap{height:64px}.logo-emblem{font-size:27px}.logo-word{font-size:19px}.site-header{position:relative}.section{padding:76px 0}.section-head{margin-bottom:31px}.section-head h2{font-size:clamp(38px,11vw,53px);margin:14px 0}.section-head p{font-size:15px}.eyebrow{font-size:10px}.btn{width:100%;min-height:53px;justify-content:space-between}.hero-actions{flex-direction:column;align-items:stretch;gap:10px}.hero-actions .btn-text{justify-content:center}.hero-a{padding:48px 0 70px;min-height:0}.hero-a-copy h1{font-size:clamp(45px,11.3vw,66px);letter-spacing:-.073em;white-space:normal;margin:23px 0 20px}.hero-a-copy>p{font-size:15px;margin-bottom:23px}.hero-a-art{margin:36px -5px 0}.mock-ui{min-height:210px}.mock-sidebar{padding:10px 6px}.mock-sidebar strong{font-size:8px;margin-bottom:16px}.mock-nav-item{font-size:6px;padding:6px 2px;gap:3px}.mock-nav-item .ico{width:10px;height:10px}.sidebar-bottom{display:none}.mock-main{padding:9px}.mock-header h3{font-size:11px}.mock-header small{font-size:6px}.mock-avatar{height:17px;width:17px;font-size:6px}.mock-welcome{padding:8px;margin-bottom:8px}.mock-welcome small{font-size:5px}.mock-welcome b{font-size:8px}.mock-welcome span{font-size:5px}.welcome-abstract{font-size:25px}.demo-course-grid{gap:5px}.demo-cover{height:67px;padding:6px}.demo-cover span{font-size:5px}.demo-cover strong{font-size:9px}.demo-course-info{padding:5px}.demo-course-info b{font-size:7px}.demo-course-info small{font-size:5px}.mock-caption{font-size:8px;text-align:center;padding:9px 7px}.hero-proof{margin-top:26px;gap:12px}.hero-proof span{font-size:10px}.hero-side-stamp{display:none}.marquee{padding:12px 0}.marquee-track{font-size:11px}.issue h3{font-size:24px}.issue p{font-size:14px}.demo-left h2{font-size:clamp(43px,11vw,58px)}.demo-left p{font-size:15px}.demo-tabs{flex-direction:row;gap:13px;overflow:auto;white-space:nowrap}.demo-tab{font-size:12px;flex-shrink:0}.demo-stage{padding:16px;min-height:320px}.demo-stage-inner h3{font-size:23px}.demo-stage .demo-cover{height:100px;padding:7px}.demo-stage .demo-cover strong{font-size:11px}.demo-stage .demo-cover span{font-size:6px}.demo-stage .demo-course-info{padding:7px 4px}.demo-stage .demo-course-info b{font-size:8px}.demo-stage .demo-course-info small{font-size:7px}.lesson-video{height:165px}.tools-grid{grid-template-columns:1fr}.tool-card:first-child{grid-column:auto}.tool-card{min-height:320px}.tool-card h3{font-size:24px}.video-art{height:160px;margin:20px 0}.mobile-section{padding:75px 0}.mobile-copy h2{font-size:clamp(50px,12vw,66px)}.mobile-copy>p{font-size:15px}.mobile-visual{min-height:540px}.mobile-visual:before{width:270px;height:270px;box-shadow:0 0 0 45px #dceaff,0 0 0 46px #c6defd}.orbit-label{bottom:17px;right:0}.model-grid h2{font-size:clamp(54px,12vw,68px)}.model-lead{font-size:18px}.steps-grid{grid-template-columns:1fr;gap:20px}.step{padding-top:17px}.step strong{font-size:39px}.step h3{margin:10px 0}.faq-item summary{font-size:16px;padding:20px 0}.faq-answer{font-size:14px}.contact-section{padding:78px 0 90px}.contact-inner h2{font-size:clamp(42px,11vw,59px)}.contact-inner p{font-size:15px}.footer{padding:45px 0 100px}.footer-top{flex-direction:column;gap:27px}.footer-right{flex-direction:column;gap:15px}.footer-bottom{flex-wrap:wrap;font-size:11px}.sticky-mobile{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:50;align-items:center;justify-content:space-between;gap:14px;background:#fff;border-top:1px solid #dfe7f2;padding:11px 18px calc(11px + env(safe-area-inset-bottom));box-shadow:0 -5px 30px #1d3e7814;color:#182c48}.sticky-mobile>span{display:flex;flex-direction:column;gap:4px}.sticky-mobile b{font-size:12px}.sticky-mobile small{font-size:10px;color:#718099}.sticky-mobile>a{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--blue);color:white;min-width:125px;padding:14px;border-radius:5px;font-size:12px;font-weight:600}.sticky-mobile .ico{width:14px;height:14px}
/* B mobile */
.hero-b{padding:50px 0 45px;min-height:0}.brand-hero-copy h1{font-size:clamp(45px,11vw,63px)}.brand-hero-copy>p{font-size:15px}.brand-smallprint{margin-top:22px}.brand-hero-art{height:380px}.brand-hero-card{width:255px;height:334px;padding:20px;transform:rotate(6deg)}.brand-hero-card-center h2{font-size:31px}.brand-orbit{inset:5px}.brand-sticker{width:88px;height:88px;left:0;bottom:0;font-size:21px}.brand-intro-grid{display:block}.brand-intro-grid h2{font-size:clamp(43px,10.7vw,57px);margin:20px 0}.brand-intro-grid p{font-size:15px}.brand-stat-grid{grid-template-columns:1fr;gap:0;margin-top:27px}.brand-stat-grid>div{border-bottom:1px solid #e5eaf1;padding:16px 0}.brand-stat-grid>div+div{border-left:0;padding-left:0}.brand-stat-grid strong{font-size:30px;min-width:43px}.brand-stat-grid span{font-size:14px}.lab-controls{padding:0}.lab-preview-nav{height:50px;padding:0 14px}.lab-preview-nav b{font-size:15px}.lab-preview-nav span{font-size:9px}.lab-preview-hero{padding:25px 19px;min-height:230px}.lab-preview-hero h3{font-size:31px}.lab-preview-hero small{font-size:7px}.lab-preview-hero span{font-size:11px}.lab-preview-letter{font-size:96px}.lab-faux-btn{padding:9px;font-size:10px}.lab-preview-bottom{padding:17px 12px;gap:5px}.lab-preview-bottom b{font-size:11px}.lab-preview-bottom small{font-size:7px}.disclaimer{text-align:left}.brand-feature{min-height:0;padding:27px}.story-visual{height:370px;padding:27px}.story-quote{font-size:34px}.story-copy h2{font-size:54px}.price-b-layout h2{font-size:clamp(44px,10vw,64px)}.price-b-card{min-height:0;padding:24px;box-shadow:9px 9px 0 #d0e0f9}.price-b-card>strong{font-size:92px}.price-b-card>strong span{font-size:29px}.process-list>div{grid-template-columns:30px 1fr;gap:15px}.process-list .ico{display:none}.process-list h3{font-size:18px}.process-list p{grid-column:2;font-size:13px}
/* C mobile */
.theme-c .logo{color:white}.hero-c{padding:54px 0 44px;min-height:0}.c-hero-copy h1{font-size:clamp(54px,12vw,73px)}.c-hero-copy>p{font-size:15px}.c-caption{margin-top:25px;font-size:11px}.c-hero-visual{min-height:325px}.c-display-card{width:calc(100% - 23px);border-width:5px;border-radius:10px;padding:7px;transform:rotate(3deg)}.c-video-box{height:180px}.c-ui-top{font-size:7px}.c-video-badge{font-size:8px}.c-video-math{font-size:11px}.c-play-circle{width:55px;height:55px}.c-ui-bottom b{font-size:13px}.c-float-widget{width:117px;padding:12px;right:0;bottom:-7px}.c-float-widget span{font-size:8px}.c-float-widget strong{font-size:32px}.c-deco-ring{inset:16px}.c-big-bottom{margin:28px auto 0;font-size:8px;letter-spacing:.25em}.c-intro{padding-top:72px}.c-step{min-height:0;padding:23px}.c-step-graphic{height:120px}.c-step h3{font-size:24px}.c-interactive-copy h2{font-size:clamp(45px,11vw,57px)}.c-demo-detail{margin:20px 0}.quiz-panel{padding:26px 18px;min-height:0}.quiz-panel h3{font-size:24px}.quiz-equation{font-size:30px}.quiz-top{font-size:8px}.c-subject-grid{grid-template-columns:1fr 1fr;gap:9px}.subject{min-height:210px;padding:15px}.subject strong{font-size:23px}.subject>span,.subject small{font-size:9px}.c-mobile-visual{min-height:550px}.c-mobile-visual::before{width:300px;height:300px}.c-mobile-text h2{font-size:clamp(48px,11.7vw,65px)}.c-pricing-grid h2{font-size:clamp(43px,10.5vw,60px)}.big-once{font-size:48px}.c-pricing-right h3{font-size:21px}.c-workflow-list h3{font-size:21px}
}
@media(max-width:360px){.hero-a-copy h1{font-size:43px}.hero-b .brand-hero-copy h1{font-size:44px}.hero-c h1{font-size:50px}.logo-word{font-size:17px}.brand-hero-card{width:236px}.hero-proof{gap:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.marquee-track{animation:none}.pulsedot{animation:none}.btn{transition:none}.hero-a-art,.hero-a-art.visible{transform:none}}
/* Final responsive containment refinements */
@media(min-width:931px){.hero-a-art{margin-right:0;transform:perspective(1200px) rotateY(-3deg)}.hero-a-art.visible{transform:perspective(1200px) rotateY(-3deg)}.hero-a-art .desktop-mock{width:100%}.brand-hero-oversized{left:0;width:100%;overflow:hidden;font-size:clamp(65px,8.5vw,125px)}}
@media(min-width:601px) and (max-width:930px){.hero-a h1{white-space:normal;font-size:clamp(53px,8vw,69px)}.hero-side-stamp{display:none}}
.marquee{transform:none}.hero-side-stamp{display:none}
[hidden]{display:none!important}

/* Supplied logo and language controls */
.logo{flex-shrink:0;line-height:0}.logo img{display:block;width:185px;height:auto;filter:brightness(0)}.footer-logo img{filter:none;width:210px}
.language-switch{display:flex;flex-shrink:0;gap:2px;padding:3px;border:1px solid var(--line);border-radius:6px;background:#f5f8ff}
.language-switch button{min-height:36px;min-width:39px;padding:7px 8px;border:0;border-radius:3px;background:transparent;color:var(--muted);font-size:11px;font-weight:600}
.language-switch button[aria-pressed="true"]{background:var(--blue);color:white}.language-switch button:hover{background:#ddeaff;color:var(--ink)}.language-switch button[aria-pressed="true"]:hover{background:#004ac9;color:white}
@media(min-width:931px){.nav-wrap{gap:22px}.desktop-nav{gap:20px}.nav-contact{white-space:nowrap;flex-shrink:0}}
@media(min-width:931px) and (max-width:1100px){.nav-wrap{gap:12px}.logo img{width:155px}.desktop-nav{gap:14px}.desktop-nav a{font-size:12px}.nav-contact{padding:11px;font-size:12px;gap:6px}}
@media(max-width:930px){.language-switch{margin-left:auto}.menu-toggle{margin-left:0}}
@media(max-width:600px){.logo img{width:155px}.nav-wrap{gap:10px}.language-switch button{min-width:34px;min-height:34px;padding:6px;font-size:10px}.footer-logo img{width:200px}.brand-orbit{font-size:10px}.btn{white-space:normal;text-align:center;line-height:1.4}.brand-hero-oversized{font-size:clamp(35px,8.5vw,60px)}}
@media(max-width:360px){.logo img{width:135px}.language-switch button{min-width:31px}.nav-wrap{gap:8px}.sticky-mobile{gap:8px}.sticky-mobile>a{min-width:112px}.sticky-mobile b{font-size:11px}}