:root{--zs-page-pad:clamp(20px,3.2vw,64px);--zs-max:1840px;--zs-radius:24px;--zs-radius-sm:15px;--zs-header:82px;--zs-font-display:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
html{scroll-padding-top:calc(var(--zs-header) + 20px)}
body{overflow-x:hidden;font-family:var(--zs-font-display);font-size:15px;line-height:1.6}
body.menu-open{overflow:hidden}.skip-link{position:fixed;left:20px;top:-80px;z-index:100000;padding:12px 18px;color:#fff;background:var(--zs-brand);border-radius:10px;font-weight:800;transition:top .2s}.skip-link:focus{top:14px}
.logo-for-dark{display:none}html[data-theme=dark] .logo-for-light{display:none}html[data-theme=dark] .logo-for-dark{display:block}
.site-header{position:sticky;top:0;z-index:100;height:var(--zs-header);background:color-mix(in srgb,var(--zs-bg) 84%,transparent);border-bottom:1px solid transparent;backdrop-filter:blur(18px);transition:height .25s,border-color .25s,box-shadow .25s}.site-header.is-scrolled{height:72px;border-color:var(--zs-border);box-shadow:0 8px 28px rgba(0,0,0,.06)}
.header-inner{width:min(100%,var(--zs-max));height:100%;display:flex;align-items:center;gap:clamp(24px,4vw,72px);margin:auto;padding:0 var(--zs-page-pad)}.site-logo{flex:0 0 auto;width:245px}.site-logo img{width:100%;height:auto}.desktop-nav{display:flex;align-items:center;gap:clamp(20px,2.2vw,38px);margin-right:auto}.desktop-nav a,.text-link{position:relative;color:var(--zs-text-soft);font-size:13px;font-weight:750}.desktop-nav a:after{content:"";position:absolute;left:0;bottom:-8px;width:100%;height:2px;background:linear-gradient(90deg,var(--zs-brand),var(--zs-accent));transform:scaleX(0);transform-origin:right;transition:transform .25s}.desktop-nav a:hover{color:var(--zs-text)}.desktop-nav a:hover:after{transform:scaleX(1);transform-origin:left}.header-actions{display:flex;align-items:center;gap:12px}.header-search{width:42px;height:42px;display:grid;place-items:center;color:var(--zs-text);background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-radius:999px}.header-search img{width:20px;filter:none}.login-link{padding:8px}.account-chip{display:flex;align-items:center;gap:9px;padding:5px 11px 5px 5px;background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-radius:999px}.account-chip span{width:32px;height:32px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--zs-brand),var(--zs-accent));border-radius:50%;font-size:10px;font-weight:900}.account-chip b{max-width:90px;overflow:hidden;text-overflow:ellipsis;font-size:12px}.mobile-menu-button{display:none;align-items:center;justify-content:center;flex-direction:column;width:44px;height:44px;padding:0;background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-radius:50%;cursor:pointer}.mobile-menu-button span{width:17px;height:1.5px;margin:2px;background:var(--zs-text);transition:.25s}.mobile-menu-button i{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.mobile-menu-button[aria-expanded=true] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}.mobile-menu-button[aria-expanded=true] span:nth-child(2){opacity:0}.mobile-menu-button[aria-expanded=true] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.mobile-nav{position:fixed;top:var(--zs-header);left:0;right:0;z-index:99;display:none;max-height:calc(100vh - var(--zs-header));padding:24px var(--zs-page-pad) 32px;background:var(--zs-bg);border-bottom:1px solid var(--zs-border);box-shadow:0 25px 45px rgba(0,0,0,.12);overflow:auto}.mobile-nav.is-open{display:block}.mobile-nav a{display:flex;align-items:center;justify-content:space-between;padding:17px 2px;border-bottom:1px solid var(--zs-border);font-size:18px;font-weight:800}.mobile-nav a span{color:var(--zs-brand)}.mobile-nav .mobile-primary{margin-top:14px;padding:16px 18px;color:#fff;background:var(--zs-brand);border:0;border-radius:14px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:0 22px;color:#fff;background:linear-gradient(120deg,var(--zs-brand),var(--zs-brand-strong));border:1px solid transparent;border-radius:13px;box-shadow:0 12px 30px color-mix(in srgb,var(--zs-brand) 25%,transparent);font-weight:850;letter-spacing:-.01em;cursor:pointer;transition:transform .2s,box-shadow .2s,filter .2s}.button:hover{transform:translateY(-2px);box-shadow:0 17px 38px color-mix(in srgb,var(--zs-brand) 33%,transparent);filter:saturate(1.08)}.button-small{min-height:42px;padding:0 17px;border-radius:11px;font-size:12px}.button-secondary{color:var(--zs-text);background:var(--zs-bg-elevated);border-color:var(--zs-border);box-shadow:none}.button-ghost{color:var(--zs-text);background:transparent;border-color:var(--zs-border);box-shadow:none}.button-wide{width:100%}.button:disabled{opacity:.55;cursor:not-allowed;transform:none}.button img{width:20px;filter:brightness(0) invert(1)}
.section-shell{width:min(100%,var(--zs-max));margin:auto;padding:clamp(78px,8vw,130px) var(--zs-page-pad)}.section-shell.compact{padding-top:48px;padding-bottom:70px}.section-kicker{display:flex;align-items:center;gap:10px;margin:0 0 17px;color:var(--zs-brand-strong);text-transform:uppercase;letter-spacing:.16em;font-size:10px;font-weight:900}.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}.section-title{max-width:840px;margin:0;font-size:clamp(40px,5.2vw,78px);line-height:.98;letter-spacing:-.06em}.section-lead{max-width:650px;margin:22px 0 0;color:var(--zs-text-soft);font-size:clamp(15px,1.4vw,18px);line-height:1.8}.section-heading-row{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:42px}.section-heading-row>div:last-child{max-width:500px;color:var(--zs-text-soft)}
.hero{position:relative;min-height:calc(100vh - var(--zs-header));display:grid;grid-template-columns:minmax(0,1.08fr) minmax(520px,.92fr);align-items:center;gap:clamp(40px,6vw,120px);width:min(100%,var(--zs-max));margin:auto;padding:clamp(64px,7vw,118px) var(--zs-page-pad);isolation:isolate}.hero:before{content:"";position:absolute;inset:8% 2% auto 45%;height:78%;z-index:-2;background:radial-gradient(circle at 55% 35%,color-mix(in srgb,var(--zs-brand) 24%,transparent),transparent 42%),radial-gradient(circle at 45% 70%,color-mix(in srgb,var(--zs-accent) 16%,transparent),transparent 44%);filter:blur(25px)}.hero-copy{max-width:940px}.hero h1{margin:0;font-size:clamp(58px,7.8vw,132px);line-height:.88;letter-spacing:-.075em}.hero h1 span{display:block}.hero h1 .accent{padding-bottom:.08em;color:transparent;background:linear-gradient(115deg,var(--zs-brand-strong),var(--zs-accent));background-clip:text;-webkit-background-clip:text}.hero-description{max-width:720px;margin:30px 0 0;color:var(--zs-text-soft);font-size:clamp(16px,1.45vw,21px);line-height:1.75}.hero-actions{display:flex;align-items:center;gap:13px;flex-wrap:wrap;margin-top:36px}.hero-proof{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:30px;color:var(--zs-text-soft);font-size:11px;font-weight:750}.hero-proof span{display:flex;align-items:center;gap:7px}.hero-proof span:before{content:"✓";width:18px;height:18px;display:grid;place-items:center;color:var(--zs-success);background:color-mix(in srgb,var(--zs-success) 13%,transparent);border-radius:50%;font-size:9px}
.hero-stage{position:relative;min-height:610px}.hero-orbit{position:absolute;inset:50% auto auto 50%;width:520px;height:520px;border:1px solid var(--zs-border);border-radius:50%;transform:translate(-50%,-50%);animation:slow-spin 32s linear infinite}.hero-orbit:before,.hero-orbit:after{content:"";position:absolute;border:1px dashed color-mix(in srgb,var(--zs-brand) 28%,transparent);border-radius:50%}.hero-orbit:before{inset:42px}.hero-orbit:after{inset:105px}.learning-panel{position:absolute;left:50%;top:50%;z-index:2;width:min(520px,92%);padding:28px;background:var(--zs-glass);border:1px solid var(--zs-border);border-radius:28px;box-shadow:var(--zs-shadow);backdrop-filter:blur(22px);transform:translate(-50%,-50%) rotate(1deg)}.panel-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--zs-border)}.panel-profile{display:flex;align-items:center;gap:11px}.panel-avatar{width:39px;height:39px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--zs-brand),var(--zs-accent));border-radius:12px;font-weight:900}.panel-profile b{display:block;font-size:12px}.panel-profile small{display:block;color:var(--zs-text-soft);font-size:9px}.panel-status{padding:7px 10px;color:var(--zs-success);background:color-mix(in srgb,var(--zs-success) 11%,transparent);border-radius:999px;font-size:8px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.panel-course{padding:24px 0 20px}.panel-course small{color:var(--zs-text-soft);font-size:9px;font-weight:900;letter-spacing:.12em}.panel-course h2{margin:6px 0 16px;font-size:24px;letter-spacing:-.04em}.panel-progress-head{display:flex;justify-content:space-between;margin-bottom:8px;font-size:10px;font-weight:800}.progress-bar{height:7px;overflow:hidden;background:var(--zs-bg-soft);border-radius:99px}.progress-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--zs-brand),var(--zs-accent));border-radius:inherit}.mini-lessons{display:grid;gap:9px}.mini-lesson{display:flex;align-items:center;gap:11px;padding:12px;background:color-mix(in srgb,var(--zs-bg-elevated) 80%,transparent);border:1px solid var(--zs-border);border-radius:13px}.mini-lesson>span{width:31px;height:31px;display:grid;place-items:center;color:var(--zs-brand-strong);background:color-mix(in srgb,var(--zs-brand) 11%,transparent);border-radius:9px;font-size:9px;font-weight:900}.mini-lesson div{flex:1}.mini-lesson b{display:block;font-size:10px}.mini-lesson small{display:block;color:var(--zs-text-soft);font-size:8px}.mini-lesson i{color:var(--zs-success);font-style:normal}.floating-skill{position:absolute;z-index:4;display:flex;align-items:center;gap:11px;padding:13px 16px;background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-radius:15px;box-shadow:var(--zs-shadow);animation:zs-float 5s ease-in-out infinite}.floating-skill img{width:40px;height:40px}.floating-skill b{display:block;font-size:10px}.floating-skill small{display:block;color:var(--zs-text-soft);font-size:8px}.floating-skill.one{left:-2%;top:13%}.floating-skill.two{right:-1%;bottom:12%;animation-delay:.9s}
.trust-strip{width:100%;background:var(--zs-bg-elevated);border-block:1px solid var(--zs-border)}.trust-inner{width:min(100%,var(--zs-max));display:grid;grid-template-columns:repeat(4,1fr);margin:auto;padding:0 var(--zs-page-pad)}.trust-item{display:flex;align-items:center;justify-content:center;gap:12px;min-height:96px;border-right:1px solid var(--zs-border)}.trust-item:last-child{border:0}.trust-item strong{font-size:21px;letter-spacing:-.04em}.trust-item span{max-width:120px;color:var(--zs-text-soft);font-size:10px;line-height:1.45}
.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.category-card{position:relative;min-height:250px;display:flex;flex-direction:column;padding:24px;overflow:hidden;background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-radius:var(--zs-radius);transition:transform .24s,border-color .24s,box-shadow .24s}.category-card:hover{transform:translateY(-6px);border-color:color-mix(in srgb,var(--zs-brand) 40%,var(--zs-border));box-shadow:var(--zs-shadow)}.category-card:after{content:"";position:absolute;right:-40px;bottom:-60px;width:170px;height:170px;background:radial-gradient(circle,color-mix(in srgb,var(--zs-brand) 13%,transparent),transparent 68%)}.category-card img{width:62px;height:62px;margin-bottom:auto}.category-card h3{margin:25px 0 6px;font-size:19px;letter-spacing:-.04em}.category-card p{margin:0;color:var(--zs-text-soft);font-size:11px}.category-card .card-arrow{position:absolute;right:20px;top:20px;width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--zs-border);border-radius:50%;transition:transform .2s}.category-card:hover .card-arrow{transform:translate(2px,-2px);color:var(--zs-brand)}
.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.course-card{position:relative;min-height:430px;display:flex;flex-direction:column;padding:28px;background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-radius:var(--zs-radius);transition:transform .25s,border-color .25s,box-shadow .25s}.course-card:hover{transform:translateY(-7px);border-color:color-mix(in srgb,var(--zs-brand) 40%,var(--zs-border));box-shadow:var(--zs-shadow)}.course-card[hidden]{display:none}.course-top{display:flex;align-items:flex-start;justify-content:space-between}.course-icon-wrap{width:76px;height:76px;display:grid;place-items:center;background:linear-gradient(145deg,color-mix(in srgb,var(--zs-brand) 11%,transparent),color-mix(in srgb,var(--zs-accent) 8%,transparent));border:1px solid color-mix(in srgb,var(--zs-brand) 18%,var(--zs-border));border-radius:20px}.course-icon-wrap img{width:62px;height:62px}.course-badge{padding:7px 10px;color:var(--zs-success);background:color-mix(in srgb,var(--zs-success) 11%,transparent);border-radius:999px;font-size:8px;font-weight:900;text-transform:uppercase;letter-spacing:.09em}.course-category{margin:25px 0 7px;color:var(--zs-brand-strong);font-size:9px;font-weight:900;text-transform:uppercase;letter-spacing:.13em}.course-card h3{margin:0 0 12px;font-size:24px;line-height:1.12;letter-spacing:-.05em}.course-card>p{margin:0;color:var(--zs-text-soft);font-size:12px;line-height:1.75}.course-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:auto;padding-top:25px;color:var(--zs-text-soft);font-size:9px;font-weight:750}.course-meta span{display:flex;align-items:center;gap:5px}.course-card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:15px;padding-top:16px;border-top:1px solid var(--zs-border)}.course-card-footer strong{font-size:11px}.course-card-footer a{color:var(--zs-brand-strong);font-size:11px;font-weight:900}
.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:30px}.filter-pill{padding:10px 15px;color:var(--zs-text-soft);background:transparent;border:1px solid var(--zs-border);border-radius:999px;font-size:10px;font-weight:850;cursor:pointer}.filter-pill.is-active,.filter-pill:hover{color:#fff;background:var(--zs-brand);border-color:var(--zs-brand)}
.dark-band{color:#f7f8fc;background:#090b10}.dark-band .section-kicker{color:#a28fff}.dark-band .section-lead{color:#a7adbb}.learning-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:50px}.learning-step{position:relative;min-height:300px;padding:25px;background:#10131b;border:1px solid rgba(255,255,255,.1);border-radius:22px}.learning-step>span{color:#8b72ff;font-size:9px;font-weight:900;letter-spacing:.14em}.learning-step img{width:52px;height:52px;margin:48px 0 25px;filter:brightness(0) invert(1);opacity:.92}.learning-step h3{margin:0 0 9px;font-size:18px}.learning-step p{margin:0;color:#9ba2b1;font-size:11px;line-height:1.7}.learning-step:after{content:"";position:absolute;right:-10px;top:50%;width:18px;height:1px;background:#6847f5}.learning-step:last-child:after{display:none}
.cta-panel{position:relative;display:grid;grid-template-columns:1fr auto;align-items:center;gap:40px;padding:clamp(35px,5vw,75px);overflow:hidden;color:#fff;background:linear-gradient(125deg,#5d3be8,#7c5cff 48%,#159ed8);border-radius:32px;box-shadow:0 30px 80px rgba(86,61,214,.28)}.cta-panel:before{content:"";position:absolute;inset:-70% auto auto 48%;width:500px;height:500px;border:1px solid rgba(255,255,255,.18);border-radius:50%}.cta-panel h2{position:relative;max-width:880px;margin:0;font-size:clamp(38px,5vw,72px);line-height:1;letter-spacing:-.06em}.cta-panel p{position:relative;max-width:630px;margin:18px 0 0;color:rgba(255,255,255,.78)}.cta-panel .button{position:relative;color:#11131a;background:#fff;box-shadow:none;white-space:nowrap}
.page-hero{position:relative;padding:clamp(70px,8vw,130px) var(--zs-page-pad) clamp(55px,6vw,90px);overflow:hidden;border-bottom:1px solid var(--zs-border)}.page-hero-inner{width:min(100%,var(--zs-max));margin:auto}.page-hero h1{max-width:1100px;margin:0;font-size:clamp(52px,7vw,112px);line-height:.92;letter-spacing:-.07em}.page-hero p{max-width:750px;margin:25px 0 0;color:var(--zs-text-soft);font-size:17px;line-height:1.8}.breadcrumbs{display:flex;gap:8px;align-items:center;margin-bottom:28px;color:var(--zs-text-soft);font-size:10px;font-weight:750}.breadcrumbs a:hover{color:var(--zs-brand)}
.search-form-large{display:grid;grid-template-columns:1fr auto;gap:10px;max-width:920px;margin-top:34px;padding:8px;background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-radius:17px;box-shadow:var(--zs-shadow)}.search-form-large input{min-height:54px;padding:0 17px;color:var(--zs-text);background:transparent;border:0;outline:0}.search-form-large .button{min-height:54px}
.course-detail-hero{display:grid;grid-template-columns:1fr 420px;gap:70px;align-items:center}.detail-icon{width:130px;height:130px;display:grid;place-items:center;background:linear-gradient(145deg,color-mix(in srgb,var(--zs-brand) 13%,transparent),color-mix(in srgb,var(--zs-accent) 8%,transparent));border:1px solid var(--zs-border);border-radius:32px}.detail-icon img{width:108px;height:108px}.detail-meta{display:flex;gap:13px;flex-wrap:wrap;margin:23px 0;color:var(--zs-text-soft);font-size:10px}.detail-side{padding:30px}.detail-side h2{margin:0 0 8px;font-size:22px}.detail-side p{color:var(--zs-text-soft);font-size:12px}.detail-list{display:grid;gap:12px;margin:25px 0}.detail-list span{display:flex;justify-content:space-between;padding-bottom:11px;border-bottom:1px solid var(--zs-border);font-size:11px}.detail-list b{font-size:11px}.curriculum{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:42px}.module-card{margin-bottom:14px;background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-radius:18px;overflow:hidden}.module-heading{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--zs-border)}.module-heading h3{margin:0;font-size:16px}.module-heading span{color:var(--zs-text-soft);font-size:9px}.lesson-row{display:flex;align-items:center;gap:13px;padding:15px 22px;border-bottom:1px solid var(--zs-border)}.lesson-row:last-child{border:0}.lesson-number{width:30px;height:30px;display:grid;place-items:center;color:var(--zs-brand-strong);background:color-mix(in srgb,var(--zs-brand) 10%,transparent);border-radius:9px;font-size:8px;font-weight:900}.lesson-row div{flex:1}.lesson-row b{display:block;font-size:11px}.lesson-row small{color:var(--zs-text-soft);font-size:8px}.lesson-row i{font-style:normal;color:var(--zs-text-soft);font-size:9px}.sticky-note{position:sticky;top:100px;padding:24px;height:max-content}.sticky-note h3{margin:0 0 10px}.sticky-note p{color:var(--zs-text-soft);font-size:11px}.safety-note{padding:17px;color:var(--zs-text-soft);background:color-mix(in srgb,#ffb020 9%,transparent);border:1px solid color-mix(in srgb,#ffb020 24%,var(--zs-border));border-radius:13px;font-size:10px;line-height:1.7}.safety-note b{color:var(--zs-text)}
.form-page{min-height:calc(100vh - var(--zs-header));display:grid;grid-template-columns:minmax(360px,.78fr) minmax(0,1.22fr)}.form-aside{position:relative;display:flex;flex-direction:column;justify-content:space-between;padding:clamp(42px,6vw,90px);overflow:hidden;color:#fff;background:linear-gradient(145deg,#0b0d14,#1b1640 58%,#143b4f)}.form-aside:after{content:"";position:absolute;right:-180px;bottom:-180px;width:540px;height:540px;border:1px solid rgba(255,255,255,.1);border-radius:50%;box-shadow:0 0 0 75px rgba(255,255,255,.025),0 0 0 150px rgba(255,255,255,.018)}.form-aside>*{position:relative;z-index:1}.form-aside-logo{width:255px}.form-aside h1{max-width:620px;margin:auto 0 22px;font-size:clamp(46px,5.8vw,86px);line-height:.94;letter-spacing:-.065em}.form-aside p{max-width:570px;color:#aeb5c7}.form-aside-proof{display:flex;gap:18px;flex-wrap:wrap;margin-top:30px;color:#b8bfce;font-size:10px}.form-main{display:grid;place-items:center;padding:55px var(--zs-page-pad)}.form-card{width:min(100%,620px)}.form-card-header{margin-bottom:28px}.form-card-header h2{margin:0;font-size:38px;letter-spacing:-.055em}.form-card-header p{margin:8px 0 0;color:var(--zs-text-soft);font-size:12px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{margin-bottom:15px}.field label{display:flex;justify-content:space-between;margin:0 0 7px;font-size:10px;font-weight:850}.field label span{color:var(--zs-text-soft);font-weight:600}.input-wrap{position:relative}.field input,.field textarea,.field select{width:100%;min-height:52px;padding:0 15px;color:var(--zs-text);background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-radius:12px;outline:0;transition:border-color .2s,box-shadow .2s}.field textarea{min-height:140px;padding-top:14px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--zs-brand);box-shadow:0 0 0 4px color-mix(in srgb,var(--zs-brand) 12%,transparent)}.password-toggle{position:absolute;right:9px;top:50%;padding:6px;color:var(--zs-brand-strong);background:transparent;border:0;transform:translateY(-50%);font-size:9px;font-weight:900;cursor:pointer}.field-error{display:block;margin-top:5px;color:#e5484d;font-size:9px}.check-row{display:flex;align-items:flex-start;gap:10px;margin:14px 0;color:var(--zs-text-soft);font-size:10px;line-height:1.6}.check-row input{width:17px;height:17px;margin-top:1px;accent-color:var(--zs-brand)}.check-row a{color:var(--zs-brand-strong);font-weight:800}.consent-box{padding:15px;background:color-mix(in srgb,var(--zs-brand) 6%,var(--zs-bg-elevated));border:1px solid var(--zs-border);border-radius:13px}.form-divider{display:flex;align-items:center;gap:12px;margin:22px 0;color:var(--zs-text-soft);font-size:9px}.form-divider:before,.form-divider:after{content:"";flex:1;height:1px;background:var(--zs-border)}.auth-foot{text-align:center;color:var(--zs-text-soft);font-size:11px}.auth-foot a{color:var(--zs-brand-strong);font-weight:850}.validation-list{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin:8px 0 18px;padding:0;list-style:none;color:var(--zs-text-soft);font-size:8px}.validation-list li:before{content:"•";margin-right:5px;color:var(--zs-brand)}
.flash-stack{position:fixed;right:22px;top:96px;z-index:1000;display:grid;gap:9px;width:min(390px,calc(100% - 44px))}.flash{display:flex;align-items:flex-start;gap:12px;padding:15px 16px;background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-left:4px solid var(--zs-brand);border-radius:13px;box-shadow:var(--zs-shadow);font-size:11px}.flash span{flex:1}.flash button{color:var(--zs-text-soft);background:transparent;border:0;cursor:pointer}.flash-success{border-left-color:var(--zs-success)}.flash-error{border-left-color:#e5484d}.flash-info{border-left-color:var(--zs-accent)}.error-summary{margin-bottom:20px;padding:15px 17px;color:#b4232a;background:rgba(229,72,77,.08);border:1px solid rgba(229,72,77,.22);border-radius:13px;font-size:10px}.error-summary b{display:block;margin-bottom:5px}
.dashboard-layout{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:calc(100vh - var(--zs-header))}.student-sidebar{position:sticky;top:var(--zs-header);height:calc(100vh - var(--zs-header));padding:28px 20px;background:var(--zs-bg-elevated);border-right:1px solid var(--zs-border)}.student-profile{display:flex;align-items:center;gap:11px;padding:12px;margin-bottom:24px;background:var(--zs-bg-soft);border-radius:14px}.student-avatar{width:42px;height:42px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--zs-brand),var(--zs-accent));border-radius:12px;font-size:11px;font-weight:900}.student-profile b{display:block;max-width:145px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}.student-profile small{display:block;color:var(--zs-text-soft);font-size:8px}.student-nav{display:grid;gap:5px}.student-nav a{display:flex;align-items:center;gap:11px;padding:12px 13px;color:var(--zs-text-soft);border-radius:11px;font-size:11px;font-weight:750}.student-nav a:hover,.student-nav a.active{color:var(--zs-text);background:color-mix(in srgb,var(--zs-brand) 9%,transparent)}.student-nav a span{width:27px;height:27px;display:grid;place-items:center;color:var(--zs-brand-strong);background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-radius:8px;font-size:10px}.student-nav .signout{margin-top:16px;color:#d64b51}.dashboard-main{min-width:0;padding:clamp(35px,5vw,75px) var(--zs-page-pad)}.dashboard-welcome{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;margin-bottom:35px}.dashboard-welcome h1{margin:0;font-size:clamp(38px,4vw,62px);letter-spacing:-.06em}.dashboard-welcome p{margin:7px 0 0;color:var(--zs-text-soft)}.dashboard-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:28px}.stat-card{padding:22px}.stat-card small{display:block;color:var(--zs-text-soft);font-size:9px;text-transform:uppercase;letter-spacing:.1em}.stat-card strong{display:block;margin:10px 0 2px;font-size:34px;letter-spacing:-.05em}.stat-card span{color:var(--zs-text-soft);font-size:9px}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);gap:18px}.dashboard-panel{padding:24px}.panel-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.panel-heading h2{margin:0;font-size:18px}.panel-heading a{color:var(--zs-brand-strong);font-size:10px;font-weight:850}.enrolled-list{display:grid;gap:12px}.enrolled-item{display:grid;grid-template-columns:60px 1fr auto;gap:14px;align-items:center;padding:14px;background:var(--zs-bg-soft);border-radius:14px}.enrolled-item img{width:54px;height:54px}.enrolled-item h3{margin:0 0 4px;font-size:12px}.enrolled-item p{margin:0;color:var(--zs-text-soft);font-size:8px}.progress-mini{width:90px;text-align:right}.progress-mini b{display:block;font-size:11px}.progress-mini .progress-bar{margin-top:6px}.empty-state{display:grid;justify-items:center;padding:55px 20px;text-align:center}.empty-state img{width:80px;height:80px;margin-bottom:18px}.empty-state h2{margin:0 0 7px}.empty-state p{max-width:460px;margin:0 0 20px;color:var(--zs-text-soft);font-size:11px}.profile-form{max-width:820px}.preference-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--zs-border)}.preference-row h3{margin:0;font-size:12px}.preference-row p{margin:3px 0 0;color:var(--zs-text-soft);font-size:9px}.switch{position:relative;width:46px;height:25px}.switch input{position:absolute;opacity:0}.switch span{position:absolute;inset:0;background:var(--zs-bg-soft);border:1px solid var(--zs-border);border-radius:99px;cursor:pointer}.switch span:after{content:"";position:absolute;left:3px;top:3px;width:17px;height:17px;background:var(--zs-text-soft);border-radius:50%;transition:.2s}.switch input:checked+span{background:var(--zs-brand);border-color:var(--zs-brand)}.switch input:checked+span:after{background:#fff;transform:translateX(21px)}
.lesson-layout{display:grid;grid-template-columns:330px minmax(0,1fr);min-height:calc(100vh - var(--zs-header))}.lesson-sidebar{position:sticky;top:var(--zs-header);height:calc(100vh - var(--zs-header));overflow:auto;padding:25px;background:var(--zs-bg-elevated);border-right:1px solid var(--zs-border)}.lesson-sidebar-head{margin-bottom:22px}.lesson-sidebar-head a{color:var(--zs-brand-strong);font-size:9px;font-weight:850}.lesson-sidebar-head h2{margin:8px 0 12px;font-size:17px;line-height:1.25}.lesson-sidebar-head .progress-bar{margin-top:7px}.lesson-nav-module{margin-top:20px}.lesson-nav-module>span{display:block;margin-bottom:8px;color:var(--zs-text-soft);font-size:8px;font-weight:900;text-transform:uppercase;letter-spacing:.1em}.lesson-nav-item{display:flex;gap:9px;padding:10px;border-radius:10px}.lesson-nav-item:hover,.lesson-nav-item.active{background:var(--zs-bg-soft)}.lesson-nav-item i{width:23px;height:23px;display:grid;place-items:center;flex:0 0 auto;color:var(--zs-text-soft);border:1px solid var(--zs-border);border-radius:50%;font-size:7px;font-style:normal}.lesson-nav-item.completed i{color:#fff;background:var(--zs-success);border-color:var(--zs-success)}.lesson-nav-item b{display:block;font-size:9px;line-height:1.4}.lesson-nav-item small{color:var(--zs-text-soft);font-size:7px}.lesson-main{min-width:0;padding:clamp(35px,5vw,78px) var(--zs-page-pad)}.lesson-content{max-width:1050px;margin:auto}.lesson-label{color:var(--zs-brand-strong);font-size:9px;font-weight:900;text-transform:uppercase;letter-spacing:.14em}.lesson-content h1{margin:10px 0 15px;font-size:clamp(40px,5vw,72px);line-height:1;letter-spacing:-.06em}.lesson-summary{max-width:760px;color:var(--zs-text-soft);font-size:16px;line-height:1.7}.lesson-body{margin-top:45px;font-size:16px;line-height:1.85}.lesson-body h2{margin:45px 0 12px;font-size:28px;letter-spacing:-.04em}.lesson-body h3{margin:32px 0 10px}.lesson-body p,.lesson-body li{color:var(--zs-text-soft)}.lesson-body strong{color:var(--zs-text)}.lesson-body .lesson-callout{margin:28px 0;padding:21px;background:color-mix(in srgb,var(--zs-brand) 7%,var(--zs-bg-elevated));border:1px solid var(--zs-border);border-left:4px solid var(--zs-brand);border-radius:13px}.lesson-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:55px;padding-top:25px;border-top:1px solid var(--zs-border)}
.quiz-shell{max-width:900px;margin:auto}.quiz-heading{text-align:center;margin-bottom:35px}.quiz-heading h1{margin:0;font-size:clamp(42px,5vw,70px);letter-spacing:-.06em}.quiz-heading p{color:var(--zs-text-soft)}.question-card{margin-bottom:16px;padding:25px}.question-number{color:var(--zs-brand-strong);font-size:8px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}.question-card h2{margin:8px 0 18px;font-size:18px}.option-list{display:grid;gap:9px}.quiz-option{display:flex;align-items:flex-start;gap:11px;padding:13px;border:1px solid var(--zs-border);border-radius:11px;cursor:pointer}.quiz-option:hover{border-color:var(--zs-brand)}.quiz-option input{margin-top:3px;accent-color:var(--zs-brand)}.quiz-option span{font-size:11px}.result-card{padding:45px;text-align:center}.result-ring{width:150px;height:150px;display:grid;place-items:center;margin:0 auto 25px;border-radius:50%;background:conic-gradient(var(--zs-brand) calc(var(--score)*1%),var(--zs-bg-soft) 0);position:relative}.result-ring:after{content:"";position:absolute;inset:12px;background:var(--zs-bg-elevated);border-radius:50%}.result-ring strong{position:relative;z-index:1;font-size:32px}.result-card h1{margin:0}.result-card p{color:var(--zs-text-soft)}
.legal-layout{display:grid;grid-template-columns:270px minmax(0,900px);gap:70px;align-items:start}.legal-nav{position:sticky;top:105px;display:grid;gap:4px;padding:14px}.legal-nav a{padding:11px 12px;color:var(--zs-text-soft);border-radius:9px;font-size:10px;font-weight:750}.legal-nav a:hover,.legal-nav a.active{color:var(--zs-text);background:var(--zs-bg-soft)}.legal-content h1{margin:0 0 12px;font-size:clamp(46px,6vw,82px);letter-spacing:-.065em}.legal-updated{color:var(--zs-text-soft);font-size:10px}.legal-content h2{margin:45px 0 12px;font-size:24px;letter-spacing:-.04em}.legal-content h3{margin:26px 0 8px;font-size:16px}.legal-content p,.legal-content li{color:var(--zs-text-soft);line-height:1.85}.legal-content a{color:var(--zs-brand-strong);font-weight:750}.legal-callout{margin:28px 0;padding:20px;background:color-mix(in srgb,var(--zs-brand) 7%,var(--zs-bg-elevated));border:1px solid var(--zs-border);border-radius:14px}.faq-list{display:grid;gap:10px;max-width:950px}.faq-item{background:var(--zs-bg-elevated);border:1px solid var(--zs-border);border-radius:15px;overflow:hidden}.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 21px;cursor:pointer;font-weight:800;list-style:none}.faq-item summary:after{content:"+";color:var(--zs-brand);font-size:22px}.faq-item[open] summary:after{content:"−"}.faq-item p{margin:0;padding:0 21px 20px;color:var(--zs-text-soft);font-size:12px}.contact-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:25px}.contact-info,.contact-form{padding:clamp(25px,4vw,45px)}.contact-info h2,.contact-form h2{margin-top:0}.contact-method{padding:18px 0;border-bottom:1px solid var(--zs-border)}.contact-method small{display:block;color:var(--zs-text-soft);font-size:8px;text-transform:uppercase;letter-spacing:.1em}.contact-method a,.contact-method b{display:block;margin-top:4px;font-size:12px}.error-page{min-height:calc(100vh - var(--zs-header));display:grid;place-items:center;padding:60px var(--zs-page-pad);text-align:center}.error-code{font-size:clamp(110px,20vw,300px);font-weight:950;line-height:.7;letter-spacing:-.1em;color:transparent;-webkit-text-stroke:1px var(--zs-border);background:linear-gradient(120deg,var(--zs-brand),var(--zs-accent));background-clip:text;-webkit-background-clip:text;opacity:.7}.error-page h1{margin:40px 0 8px}.error-page p{max-width:540px;color:var(--zs-text-soft)}
.site-footer{background:var(--zs-bg-elevated);border-top:1px solid var(--zs-border)}.footer-main{width:min(100%,var(--zs-max));display:grid;grid-template-columns:minmax(280px,1.3fr) repeat(3,minmax(130px,.55fr));gap:clamp(35px,6vw,100px);margin:auto;padding:75px var(--zs-page-pad)}.footer-brand img{width:245px}.footer-brand p{max-width:410px;color:var(--zs-text-soft);font-size:11px}.footer-badge{display:inline-flex;align-items:center;gap:7px;margin-top:15px;padding:9px 12px;background:var(--zs-bg-soft);border-radius:999px;color:var(--zs-text-soft);font-size:9px}.footer-badge span{color:var(--zs-success)}.footer-column{display:grid;align-content:start;gap:9px}.footer-column h2{margin:7px 0 11px;font-size:11px;text-transform:uppercase;letter-spacing:.1em}.footer-column a{color:var(--zs-text-soft);font-size:10px}.footer-column a:hover{color:var(--zs-brand)}.footer-bottom{width:min(100%,var(--zs-max));display:flex;justify-content:space-between;gap:20px;margin:auto;padding:22px var(--zs-page-pad);color:var(--zs-text-soft);border-top:1px solid var(--zs-border);font-size:8px}
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .65s cubic-bezier(.2,.8,.2,1),transform .65s cubic-bezier(.2,.8,.2,1)}[data-reveal].is-visible{opacity:1;transform:none}@keyframes slow-spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
@media(max-width:1250px){.desktop-nav{display:none}.mobile-menu-button{display:flex}.hero{grid-template-columns:1fr 500px}.category-grid{grid-template-columns:repeat(3,1fr)}.course-grid{grid-template-columns:repeat(2,1fr)}.learning-steps{grid-template-columns:repeat(2,1fr)}.learning-step:after{display:none}.course-detail-hero{grid-template-columns:1fr 360px}.footer-main{grid-template-columns:1.3fr repeat(3,.6fr)}}
@media(max-width:980px){:root{--zs-header:72px}.header-actions .login-link,.header-actions>.button-small{display:none}.hero{grid-template-columns:1fr;min-height:auto;padding-top:75px}.hero-copy{max-width:950px}.hero-stage{width:min(100%,650px);min-height:580px;margin:auto}.trust-inner{grid-template-columns:repeat(2,1fr)}.trust-item:nth-child(2){border-right:0}.category-grid{grid-template-columns:repeat(2,1fr)}.course-detail-hero,.curriculum,.contact-grid{grid-template-columns:1fr}.detail-side{max-width:none}.sticky-note{position:static}.form-page{grid-template-columns:1fr}.form-aside{min-height:420px}.form-aside h1{margin-top:90px}.dashboard-layout{grid-template-columns:1fr}.student-sidebar{position:static;height:auto;padding:14px var(--zs-page-pad);border-right:0;border-bottom:1px solid var(--zs-border)}.student-profile{display:none}.student-nav{display:flex;overflow:auto}.student-nav a{white-space:nowrap}.student-nav .signout{margin-top:0}.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:static;height:auto;max-height:350px;border-right:0;border-bottom:1px solid var(--zs-border)}.legal-layout{grid-template-columns:1fr}.legal-nav{position:static;display:flex;overflow:auto}.legal-nav a{white-space:nowrap}.footer-main{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.cta-panel{grid-template-columns:1fr}.cta-panel .button{justify-self:start}}
@media(max-width:700px){:root{--zs-page-pad:20px}.site-logo{width:190px}.header-search{display:none}.zs-theme-toggle{display:none}.hero{padding-top:55px}.hero h1{font-size:clamp(54px,17vw,84px)}.hero-stage{min-height:465px}.learning-panel{padding:20px}.hero-orbit{width:420px;height:420px}.floating-skill{display:none}.trust-item{min-height:82px;flex-direction:column;gap:2px;text-align:center}.trust-item strong{font-size:17px}.section-heading-row{align-items:flex-start;flex-direction:column;gap:14px}.category-grid,.course-grid,.learning-steps{grid-template-columns:1fr}.course-card{min-height:390px}.page-hero h1{font-size:clamp(48px,15vw,78px)}.search-form-large{grid-template-columns:1fr}.search-form-large .button{width:100%}.detail-icon{width:100px;height:100px}.detail-icon img{width:84px;height:84px}.field-grid{grid-template-columns:1fr}.form-aside{min-height:360px;padding:38px 24px}.form-aside h1{margin-top:70px}.form-main{padding:45px 20px}.validation-list{grid-template-columns:1fr}.dashboard-main{padding:35px 20px}.dashboard-welcome{align-items:flex-start;flex-direction:column}.dashboard-stats{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}.enrolled-item{grid-template-columns:52px 1fr}.progress-mini{grid-column:2;text-align:left;width:100%}.lesson-main{padding:35px 20px}.lesson-actions{align-items:stretch;flex-direction:column}.lesson-actions .button{width:100%}.result-card{padding:30px 18px}.contact-info,.contact-form{padding:24px}.footer-main{grid-template-columns:1fr 1fr;gap:35px}.footer-bottom{align-items:flex-start;flex-direction:column}.flash-stack{top:82px;right:12px;width:calc(100% - 24px)}}
@media(max-width:430px){.header-inner{gap:10px}.site-logo{width:167px}.header-actions{margin-left:auto}.account-chip b{display:none}.category-card{min-height:220px}.dashboard-stats{grid-template-columns:1fr}.footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}.hero-proof{gap:11px}.learning-panel{width:106%;transform:translate(-50%,-50%) scale(.9)}.hero-orbit{width:360px;height:360px}.course-detail-hero{gap:35px}}
@media(prefers-reduced-motion:reduce){.hero-orbit{animation:none}[data-reveal]{opacity:1;transform:none;transition:none}}
.consent-box{transition:opacity .2s}.consent-box.is-disabled{opacity:.62}

/* Premium responsive header actions — v1.0.1 */
.header-search{
    overflow:hidden;
    box-shadow:0 8px 24px rgba(17,19,26,.08);
    transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.header-search svg{
    width:20px;
    height:20px;
    fill:none;
    stroke:currentColor;
    stroke-width:1.9;
    stroke-linecap:round;
    stroke-linejoin:round;
}
.header-search:hover,
.header-actions .zs-theme-toggle:hover,
.mobile-menu-button:hover{
    color:var(--zs-brand-strong);
    border-color:color-mix(in srgb,var(--zs-brand) 32%,var(--zs-border));
    box-shadow:0 12px 28px color-mix(in srgb,var(--zs-brand) 14%,transparent);
    transform:translateY(-2px);
}
.header-search:focus-visible,
.header-actions .zs-theme-toggle:focus-visible,
.mobile-menu-button:focus-visible{
    outline:3px solid color-mix(in srgb,var(--zs-brand) 32%,transparent);
    outline-offset:3px;
}
html[data-theme="dark"] .header-search,
html[data-theme="dark"] .header-actions .zs-theme-toggle,
html[data-theme="dark"] .mobile-menu-button{
    color:#fff;
    background:linear-gradient(145deg,rgba(255,255,255,.1),rgba(255,255,255,.045));
    border-color:rgba(255,255,255,.16);
    box-shadow:0 10px 28px rgba(0,0,0,.28),inset 0 1px rgba(255,255,255,.06);
}
html[data-theme="dark"] .header-search:hover,
html[data-theme="dark"] .header-actions .zs-theme-toggle:hover,
html[data-theme="dark"] .mobile-menu-button:hover{
    color:#fff;
    background:linear-gradient(145deg,rgba(139,114,255,.34),rgba(50,198,255,.12));
    border-color:rgba(169,149,255,.5);
    box-shadow:0 13px 32px rgba(0,0,0,.34),0 0 0 1px rgba(139,114,255,.08);
}
html[data-theme="dark"] .mobile-menu-button span{
    background:#fff;
}

@media(max-width:700px){
    .header-inner{
        gap:12px;
    }
    .header-actions{
        gap:8px;
        margin-left:auto;
    }
    .header-actions .header-search{
        display:grid;
    }
    .header-actions .zs-theme-toggle{
        width:42px;
        height:42px;
        min-height:42px;
        display:inline-flex;
        justify-content:center;
        padding:0;
        border-radius:50%;
    }
    .header-actions .zs-theme-toggle span,
    .header-actions .account-chip{
        display:none;
    }
    .header-actions .header-search,
    .header-actions .zs-theme-toggle,
    .header-actions .mobile-menu-button{
        flex:0 0 42px;
    }
}

@media(max-width:430px){
    .header-inner{
        gap:8px;
    }
    .site-logo{
        width:134px;
    }
    .header-actions{
        gap:6px;
    }
    .header-actions .header-search,
    .header-actions .zs-theme-toggle,
    .header-actions .mobile-menu-button{
        width:40px;
        height:40px;
        min-height:40px;
        flex-basis:40px;
    }
}