:root{--bg:#ffffff;--soft:#f5f7f9;--text:#17202a;--muted:#64748b;--line:#e5e7eb;--accent:#2f5f9f;--accent-dark:#1f467c;--card:#ffffff;--max:1180px;--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Tahoma,Arial,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.8}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(92%,var(--max));margin:auto}.topbar{background:#f3f4f6;border-bottom:1px solid var(--line);font-size:.9rem;color:var(--muted)}.topbar-inner{display:flex;justify-content:space-between;align-items:center;padding:8px 0;gap:20px}.lang-switch{display:flex;gap:8px}.brand-row{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.brand{display:flex;align-items:center;gap:14px}.brand-mark{width:58px;height:58px;border-radius:50%;background:var(--accent);color:white;display:grid;place-items:center;font-size:2rem;font-weight:700}.brand strong{display:block;font-size:1.4rem}.brand small{color:var(--muted)}.main-nav{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.nav-links{display:flex;flex-wrap:wrap;gap:0}.nav-links a{padding:13px 14px;border-left:1px solid var(--line);font-size:.95rem}.nav-links a:hover,.nav-links a.active{color:var(--accent);background:#f8fafc}.menu-toggle{display:none;border:0;background:transparent;font-size:1.6rem}.hero{padding:64px 0 48px;background:linear-gradient(180deg,#fff,#f7f9fb)}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:center}.eyebrow,.section-heading span{color:var(--accent);font-weight:700;font-size:.9rem;letter-spacing:.03em}h1,h2,h3{line-height:1.35;margin-top:0}h1{font-size:clamp(2.35rem,5vw,4.3rem);margin-bottom:22px}.hero p{font-size:1.15rem;color:var(--muted);max-width:760px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-block;border:1px solid var(--accent);padding:11px 18px;border-radius:11px;color:var(--accent);background:white;cursor:pointer}.btn.primary{background:var(--accent);color:white}.btn:hover{transform:translateY(-1px)}.portrait-card{background:white;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 14px 40px rgba(0,0,0,.06)}.portrait-placeholder{height:330px;background:#e9edf2;display:grid;place-items:center;text-align:center;color:var(--muted);padding:30px}.portrait-placeholder span{font-size:1.4rem}.portrait-placeholder small{display:block}.portrait-meta{padding:22px}.section{padding:72px 0}.section-heading{margin-bottom:30px}.section-heading h2{font-size:2rem;margin:6px 0}.category-grid,.article-grid,.service-grid,.test-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.category-card,.article-card,.service-card,.test-card{border:1px solid var(--line);border-radius:16px;padding:24px;background:var(--card);transition:.2s}.category-card:hover,.article-card:hover,.service-card:hover,.test-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,0,0,.06)}.category-card span{font-size:.85rem;color:var(--accent)}.category-card p,.article-card p,.service-card p,.test-card p{color:var(--muted)}.soft{background:var(--soft)}.featured-article{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;background:white;border:1px solid var(--line);padding:28px;border-radius:var(--radius)}.quote{display:grid;place-items:center;font-size:1.7rem;color:var(--accent);text-align:center;background:#f7f9fb;border-radius:15px;padding:24px}.tag{display:inline-block;background:#eef4fb;color:var(--accent);padding:5px 10px;border-radius:999px;font-size:.8rem;margin-bottom:10px}.split{display:grid;grid-template-columns:1fr 1fr;gap:40px}.text-link{color:var(--accent);font-weight:700}.newsletter{background:#14263f;color:white;padding:56px 0}.newsletter-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.newsletter form{display:grid;grid-template-columns:1fr 1fr auto;gap:10px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;font:inherit;background:white}.page-hero{padding:64px 0;background:#f7f9fb;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(2rem,4vw,3.5rem);max-width:900px}.prose{max-width:900px}.prose p{font-size:1.1rem;color:#334155}.timeline{display:grid;gap:16px;margin-top:30px}.timeline>div{border-right:4px solid var(--accent);padding:8px 18px;background:#f8fafc}.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px;align-items:center}.chip{border:1px solid #d7dee8;background:#fff;color:#334155;padding:10px 17px;border-radius:999px;cursor:pointer;font:inherit;font-weight:700;transition:background .18s,color .18s,border-color .18s,box-shadow .18s,transform .18s}.chip:hover{border-color:#a9bdd7;background:#f3f7fc;color:var(--accent-dark);transform:translateY(-1px)}.chip.active,.chip[aria-pressed="true"]{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 6px 18px rgba(47,95,159,.18)}.article-tools{display:grid;grid-template-columns:minmax(220px,1.6fr) repeat(4,minmax(145px,1fr));gap:12px;padding:18px;border:1px solid var(--line);border-radius:16px;background:#f8fafc;margin-bottom:14px;align-items:end}.article-tools label{display:block;font-size:.82rem;font-weight:700;color:#475569;margin:0 2px 5px}.article-tools input,.article-tools select{height:48px;border-color:#d9e1ea;background:#fff}.article-tools input:focus,.article-tools select:focus{outline:3px solid rgba(47,95,159,.12);border-color:#9ab3d1}.article-search-wrap{min-width:0}.article-results-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:0 2px 24px;color:var(--muted);font-size:.92rem}.clear-filters{border:0;background:transparent;color:var(--accent-dark);font:inherit;font-weight:700;padding:6px 0;cursor:pointer}.clear-filters:hover{text-decoration:underline}.article-card[hidden]{display:none!important}.article-card-clickable{cursor:pointer;position:relative}.article-card-clickable:hover{border-color:#c5d4e7;box-shadow:0 12px 30px rgba(31,70,124,.10)}.article-card-clickable:focus{outline:3px solid rgba(47,95,159,.22);outline-offset:3px}.article-card h3{font-size:1.3rem;margin-bottom:12px}.article-card h3 a,.article-card p a{display:block}.article-card h3 a:hover{color:var(--accent-dark)}.article-card p a:hover{color:#43556a}.article-card .article-action{display:inline-flex;margin-top:2px;color:var(--accent-dark);font-weight:700}.article-card .article-action:hover{text-decoration:underline}.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:7px 12px;margin-bottom:13px;color:var(--muted);font-size:.78rem}.article-meta .tag{margin-bottom:0}.article-meta time{white-space:nowrap}.article-empty-state{padding:30px;border:1px dashed #cbd5e1;border-radius:16px;text-align:center;color:var(--muted);background:#f8fafc}.book-grid{display:grid;gap:30px}.book-card{display:grid;grid-template-columns:240px 1fr;gap:30px;align-items:center;border:1px solid var(--line);border-radius:var(--radius);padding:24px}.book-cover{height:320px;background:#e8edf3;border-radius:12px;display:grid;place-items:center;color:var(--muted)}.test-grid,.service-grid{grid-template-columns:repeat(2,1fr)}.notice{margin-top:24px;padding:18px;border-radius:12px;background:#fff7e6;border:1px solid #f1d38a}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.video-placeholder{aspect-ratio:16/9;background:#111827;color:white;border-radius:16px;display:grid;place-items:center}.contact-box{display:grid;grid-template-columns:1.2fr .8fr;gap:34px}.contact-box form{display:grid;gap:15px}.contact-box label{font-weight:700}.contact-box label input,.contact-box label select,.contact-box label textarea{margin-top:6px;font-weight:400}.contact-note{background:#f7f9fb;border:1px solid var(--line);padding:24px;border-radius:16px}.site-footer{border-top:1px solid var(--line);padding:44px 0 22px;background:#fafafa}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.site-footer p{color:var(--muted)}.copyright{border-top:1px solid var(--line);margin-top:26px;padding-top:18px;color:var(--muted);font-size:.9rem}.profile-photo,.about-photo{height:auto!important;aspect-ratio:auto!important;object-fit:contain!important;object-position:center center!important;display:block!important}.brand-logo{content:none!important;width:300px!important;height:auto!important;max-width:300px!important;max-height:170px!important;object-fit:contain!important;object-position:center!important;border-radius:0!important;background:transparent!important;box-shadow:none!important}.brand>div{display:none!important}.brand{flex:0 1 auto;min-width:0}.menu-toggle{flex:0 0 auto}
.main-nav{position:sticky;top:0;z-index:1000;box-shadow:0 5px 18px rgba(15,23,42,.05)}.back-to-top{position:fixed;inset-inline-start:20px;bottom:22px;width:48px;height:48px;border:1px solid rgba(47,95,159,.22);border-radius:50%;background:#fff;color:var(--accent-dark);box-shadow:0 10px 28px rgba(15,23,42,.16);display:grid;place-items:center;font-size:1.35rem;font-weight:700;cursor:pointer;z-index:1200;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .2s,visibility .2s,transform .2s,background .2s,color .2s}.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{background:var(--accent);color:#fff}.back-to-top:focus-visible{outline:3px solid rgba(47,95,159,.28);outline-offset:3px}
@media(max-width:1100px){.article-tools{grid-template-columns:repeat(3,1fr)}.article-search-wrap{grid-column:span 2}}@media(max-width:900px){.menu-toggle{display:block}.main-nav{display:none;position:fixed;top:72px;right:12px;left:12px;z-index:1300;max-height:calc(100vh - 88px);overflow:auto;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 50px rgba(15,23,42,.18)}.main-nav.open{display:block}.nav-links{display:block;width:100%}.nav-links a{display:block;border-left:0;border-bottom:1px solid var(--line)}.hero-grid,.featured-article,.split,.newsletter-inner,.contact-box,.book-card{grid-template-columns:1fr}.category-grid,.article-grid{grid-template-columns:repeat(2,1fr)}.service-grid,.test-grid{grid-template-columns:1fr}.newsletter form{grid-template-columns:1fr}.video-grid{grid-template-columns:1fr 1fr}.brand-row{padding:8px 0;gap:12px;min-height:150px}.brand-logo{width:min(50vw,220px)!important;max-width:min(50vw,220px)!important;max-height:128px!important}.menu-toggle{font-size:2rem;padding:8px}.article-tools{grid-template-columns:repeat(2,1fr)}.article-search-wrap{grid-column:1/-1}body.is-scrolled .menu-toggle{position:fixed;top:14px;inset-inline-start:14px;z-index:1400;width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:0 8px 24px rgba(15,23,42,.16);display:grid;place-items:center;padding:0}body.is-scrolled .main-nav{top:72px}.back-to-top{inset-inline-start:14px;bottom:16px;width:46px;height:46px}}@media(max-width:600px){.topbar-inner{align-items:flex-start}.social{display:none}.hero{padding-top:38px}.category-grid,.article-grid,.video-grid,.footer-grid{grid-template-columns:1fr}.section{padding:48px 0}.portrait-placeholder{height:260px}.brand-logo{width:min(54vw,205px)!important;max-width:min(54vw,205px)!important;max-height:118px!important}.brand-row{padding:8px 0;min-height:138px}.menu-toggle{font-size:2rem}.filter-row{gap:8px;margin-bottom:18px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}.chip{padding:9px 14px;font-size:.92rem;white-space:nowrap;flex:0 0 auto}.article-tools{grid-template-columns:1fr;padding:14px;gap:10px}.article-search-wrap{grid-column:auto}.article-results-bar{margin-bottom:18px}.article-card{padding:22px}.article-card h3{font-size:1.22rem}.article-meta{gap:5px 10px}}