:root{--ink:#102335;--muted:#5f6f7c;--paper:#f5f7f8;--white:#fff;--line:#d9e1e6;--blue:#0b64a0;--navy:#082840;--gold:#f1b943;--success:#18754b;--danger:#b13b35}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 Inter,system-ui,-apple-system,"Segoe UI",sans-serif}a{color:inherit}main{max-width:1160px;margin:auto;padding:0 24px 64px}.site-header{max-width:1160px;margin:auto;min-height:72px;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;font-size:1.25rem;text-decoration:none;letter-spacing:-.04em}.brand span{color:var(--blue)}nav{display:flex;align-items:center;gap:22px}nav a{font-size:.93rem;text-decoration:none}.header-cta,.button{border-radius:10px;padding:10px 16px;font-weight:700;text-decoration:none;display:inline-flex;justify-content:center;align-items:center;border:0;cursor:pointer}.header-cta,.button-primary{background:var(--navy);color:#fff}.hero{background:var(--navy);color:#fff;padding:56px;min-height:370px;border-radius:22px;display:grid;grid-template-columns:1.55fr .7fr;gap:42px;align-items:center}.hero h1{font-size:clamp(2.15rem,5vw,4.25rem);line-height:1.02;letter-spacing:-.055em;margin:.25rem 0 1.2rem;max-width:720px}.hero p{max-width:620px;color:#d3e3ee;font-size:1.08rem}.hero aside{border-left:1px solid #456075;padding-left:28px;display:grid;gap:2px}.hero aside b{font-size:2rem;line-height:1.1;color:var(--gold);margin-top:14px}.hero aside span{font-size:.88rem;color:#c5d5df}.eyebrow{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:var(--blue);margin:0 0 8px}.hero .eyebrow{color:var(--gold)}.section{margin-top:58px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:20px}.section h2,.page-intro h1,.article h1,.question-page h1{margin:0;line-height:1.15;letter-spacing:-.035em;font-size:clamp(1.75rem,3vw,2.6rem)}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.category-card,.article-card{background:var(--white);border:1px solid var(--line);text-decoration:none;padding:20px;border-radius:14px;display:grid;gap:8px;min-height:154px;transition:transform .16s,border-color .16s}.category-card:hover,.article-card:hover{transform:translateY(-2px);border-color:var(--blue)}.category-card span,.article-card span{font-weight:800;color:var(--blue);font-size:.85rem}.category-card strong,.article-card strong{line-height:1.25}.category-card small,.article-card small{color:var(--muted)}.text-link{color:var(--blue);font-weight:700}.practice{display:grid;grid-template-columns:.72fr 1.25fr;gap:34px;align-items:start}.quiz{background:var(--white);border:1px solid var(--line);padding:28px;border-radius:16px}.quiz h2{font-size:1.22rem;line-height:1.36;margin:0 0 18px;letter-spacing:-.02em}.answers{display:grid;gap:9px}.answer{background:#f8fafb;border:1px solid var(--line);padding:13px;text-align:left;border-radius:9px;font:inherit;cursor:pointer}.answer:hover,.answer.is-selected{border-color:var(--blue);background:#edf6fb}.button-check{margin-top:16px;background:var(--blue);color:#fff}.quiz-result{margin-top:16px;font-weight:800}.quiz-result.success{color:var(--success)}.quiz-result.error{color:var(--danger)}.explanation{margin-top:12px;padding:14px;border-radius:9px;background:#edf4f7}.trust{margin-top:48px;border-top:1px solid var(--line);padding-top:34px;max-width:760px}.trust h2{margin:0;font-size:1.45rem}.page-intro{padding:44px 0 28px;max-width:820px}.page-intro p:not(.eyebrow){color:var(--muted);font-size:1.08rem}.crumbs{padding-top:26px;font-size:.82rem;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}.crumbs a{color:var(--blue)}.question-list{margin:0;padding-left:22px;display:grid;gap:12px}.question-list a,.related a{color:var(--blue);text-decoration-thickness:1px}.question-page{max-width:850px}.question-page header{padding:32px 0 22px}.meta{color:var(--muted);font-size:.85rem}.source{margin-top:20px;background:#fff;border-left:4px solid var(--gold);padding:20px}.source h2,.related h2{margin:0 0 8px;font-size:1.25rem}.source p{margin:0 0 12px}.source-link{color:var(--blue);font-weight:700}.max-panel{margin-top:20px;padding:26px;background:var(--navy);border-radius:14px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:20px}.max-panel .eyebrow{color:var(--gold)}.max-panel h2{font-size:1.4rem;margin:0}.max-panel p:not(.eyebrow){color:#d3e3ee;margin:.4rem 0 0}.max-panel .button-primary{background:var(--gold);color:var(--navy);white-space:nowrap}.related{margin-top:42px}.related ul{padding-left:20px;display:grid;gap:8px}.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.article{max-width:800px;padding:44px 0}.article p{font-size:1.05rem}.inline-cta{margin:28px 0}.article .quiz{margin-top:30px}footer{border-top:1px solid var(--line);padding:30px max(24px,calc((100vw - 1160px)/2));display:flex;gap:16px;align-items:center;color:var(--muted);font-size:.9rem}footer strong{color:var(--ink)}footer a{margin-left:auto;color:var(--blue);font-weight:700}@media(max-width:760px){main,.site-header{padding-left:16px;padding-right:16px}.site-header{min-height:62px}nav{gap:12px}nav>a:not(.header-cta){display:none}.hero{padding:30px 24px;grid-template-columns:1fr;gap:24px}.hero aside{border-left:0;border-top:1px solid #456075;padding-left:0;padding-top:18px;grid-template-columns:auto 1fr;column-gap:12px}.hero aside b{margin:0}.category-grid,.article-grid{grid-template-columns:1fr}.practice{grid-template-columns:1fr;gap:18px}.section{margin-top:38px}.max-panel{align-items:start;flex-direction:column}.max-panel .button{width:100%}footer{padding:26px 16px;flex-wrap:wrap}footer a{margin-left:0;width:100%}}
/* SEO illustrations */
.hero{grid-template-columns:1.35fr minmax(220px,.85fr) .58fr;padding:48px 48px 34px;overflow:hidden}
.hero-illustration{width:100%;max-width:360px;justify-self:center;align-self:end;filter:drop-shadow(0 18px 24px rgb(0 0 0 / .22))}
.catalog-intro{display:grid;grid-template-columns:1fr 240px;align-items:center;gap:30px;border-bottom:1px solid var(--line)}
.catalog-intro img{width:100%;max-width:240px;justify-self:end}
.catalog-intro .page-intro{padding-bottom:34px}
@media(max-width:900px){.hero{grid-template-columns:1.35fr .55fr}.hero-illustration{max-width:280px}.hero aside{grid-column:1/-1;border-left:0;border-top:1px solid #456075;padding:18px 0 0;grid-template-columns:auto 1fr auto 1fr;column-gap:12px}.hero aside b{margin:0}.catalog-intro{grid-template-columns:1fr 190px}.catalog-intro img{max-width:190px}}
@media(max-width:760px){.hero{padding:30px 24px;grid-template-columns:1fr;gap:16px}.hero-illustration{max-width:245px;order:-1}.hero aside{grid-column:auto;grid-template-columns:auto 1fr}.catalog-intro{grid-template-columns:1fr}.catalog-intro img{display:none}}

/* MAX visual language: light Mini App shell with a blue-to-violet gradient */
body{background:linear-gradient(180deg,#f8fbff 0,#f3f6fc 55%,#eef2f8 100%)}
.site-header{position:sticky;top:0;z-index:10;background:rgb(248 251 255 / .88);backdrop-filter:blur(16px);border-bottom:1px solid rgb(217 225 230 / .65)}
.brand{font-size:1.32rem}.brand span{background:linear-gradient(90deg,#159dcc,#4f73ed 52%,#8955e6);-webkit-background-clip:text;background-clip:text;color:transparent}
.header-cta,.button-max{background:linear-gradient(105deg,#16b8d0 0%,#467ce9 52%,#8955e6 100%);color:#fff;box-shadow:0 10px 22px rgb(64 105 220 / .22);border-radius:999px;transition:transform .16s,box-shadow .16s}
.header-cta:hover,.button-max:hover{transform:translateY(-2px);box-shadow:0 13px 26px rgb(64 105 220 / .3)}
.header-cta span,.button-max span{font-size:1.05em;margin-left:5px}
.hero{background:linear-gradient(105deg,#075da7 0%,#277bd5 44%,#8250df 100%);border-radius:30px;box-shadow:0 20px 48px rgb(36 86 166 / .2)}
.hero h1{max-width:680px}.hero-illustration{filter:drop-shadow(0 20px 24px rgb(5 24 65 / .28))}
.quiz-cta{margin-top:18px}.quiz-cta .button{width:100%}
.quiz h2{font-size:1.12rem}.section h2,.page-intro h1,.article h1,.question-page h1{font-size:clamp(1.6rem,2.7vw,2.35rem)}.hero h1{font-size:clamp(2.05rem,4.5vw,3.7rem)}
.category-card,.article-card,.quiz{border-radius:20px;box-shadow:0 8px 24px rgb(24 58 93 / .05)}
.category-card{min-height:168px}.answer{border-radius:14px}.button-check{border-radius:999px}
.max-panel{background:linear-gradient(105deg,#082e57 0%,#345bb5 55%,#6542b9 100%);border-radius:22px;box-shadow:0 16px 34px rgb(31 60 132 / .18)}
.max-panel .button-max{background:linear-gradient(105deg,#16b8d0 0%,#467ce9 52%,#8955e6 100%);color:#fff}
.footer-cta{padding:10px 18px}
body{overflow-x:hidden}.category-card,.article-card,.question-list a{overflow-wrap:anywhere}
@media(max-width:760px){.site-header{position:relative}.header-cta{order:-1}.hero{display:flex;flex-direction:column;border-radius:24px}.hero h1{font-size:clamp(1.9rem,10vw,2.65rem)}.hero>div:first-child{order:1;width:100%}.hero-illustration{order:2;width:175px;max-width:175px;max-height:190px;object-fit:contain;margin:0 auto}.hero aside{order:3;width:100%}.section h2,.page-intro h1,.article h1,.question-page h1{font-size:clamp(1.5rem,7.5vw,2rem)}.quiz h2{font-size:1.05rem}footer{gap:10px}footer span{max-width:100%}}