:root{--navy:#111f38;--ink:#172740;--body:#eaf0f6;--muted:#63728a;--line:#dce5ef;--lime:#d4f45d;--white:#fff;--blue:#2975e3;font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',Arial,sans-serif;color:var(--ink)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:#f8fafc;min-width:300px}a{color:inherit}.skip-link{position:absolute;top:-100px;left:20px;z-index:20;background:#fff;padding:13px}.skip-link:focus{top:12px}:focus-visible{outline:3px solid #5596f7;outline-offset:3px}.dev-bar{background:#233552;color:#d5e3f5;text-align:center;padding:9px 16px;font-size:11px;line-height:1.5;letter-spacing:.02em}.site-head{display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1320px;padding:22px 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span{margin-left:9px}.hero{background:var(--navy);color:#fff;max-width:1440px;margin:auto;border-radius:26px;position:relative;overflow:hidden;display:grid;grid-template-columns:1fr .87fr;min-height:610px}.hero-content{padding:80px min(6vw,80px) 55px;position:relative;z-index:3}.hero-glow{position:absolute;width:780px;height:780px;right:-240px;top:-300px;pointer-events:none;background:radial-gradient(circle,rgba(56,113,205,.35),transparent 67%)}.eyebrow{font-size:11px;letter-spacing:.15em;font-weight:800;color:#b1c5e4;display:flex;align-items:center;gap:10px;text-transform:uppercase}.eyebrow-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px #d4f45d1c}.hero h1{font-size:clamp(54px,7.1vw,105px);line-height:.96;letter-spacing:-.075em;margin:34px 0 32px;font-weight:850}.hero h1 em{font-style:normal;color:var(--lime)}.period{color:var(--lime)}.hero-lead{font-size:16px;line-height:1.75;color:#c5d4e9;max-width:510px;margin:0 0 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.fine{width:100%;max-width:860px;font-size:11px;line-height:1.7}.site-footer a{font-weight:700}@media(max-width:900px){.nav{display:none}.hero{grid-template-columns:1fr;min-height:0}.hero-content{padding:65px 40px 30px}.hero-visual{margin:5px 40px 35px;height:430px;min-height:0}.orbit{width:360px;height:360px}.section-header{grid-template-columns:1fr}.section-header .kicker{grid-column:auto}.feature-grid{grid-template-columns:1fr 1fr}.ribbon{padding:18px}.feature:last-child{grid-column:1/-1}.statement{margin-left:18px;margin-right:18px}}@media(max-width:600px){.dev-bar{font-size:10px}.site-head{padding:16px;gap:8px}.logo-icon{height:38px;width:38px;font-size:22px}.logo-word{font-size:16px}.logo-word small{font-size:9px}.head-cta{padding:11px;font-size:10px}.hero{border-radius:0}.hero-content{padding:50px 22px 28px}.hero h1{font-size:clamp(52px,15vw,76px);margin:28px 0}.hero-lead{font-size:14px}.hero-actions{display:flex;flex-direction:column}.hero-actions .btn{width:100%}.hero-visual{height:320px;min-height:0;margin:7px 18px 30px;padding:17px}.orbit{width:290px;height:290px;top:4%}.visual-card{padding:12px;width:77%}.visual-card.first{top:23%}.visual-card.second{bottom:16%}.visual-footer{font-size:9px}.ribbon{border-radius:0;gap:12px;font-size:11px}.ribbon i{display:none}.section{padding:75px 20px}.section-header{margin-bottom:28px}.section h2{font-size:40px}.feature-grid,.course-grid{grid-template-columns:1fr}.feature{min-height:225px}.feature:last-child{grid-column:auto}.feature-icon{margin:20px 0 10px}.formats{border-radius:0}.course{padding:27px;min-height:300px}.course h3{font-size:27px}.statement{margin:20px 12px;padding:40px 24px 55px}.statement-icon{font-size:30px;right:18px;bottom:12px}.questions summary{font-size:15px}.closing{border-radius:0;margin-bottom:0;padding:68px 21px}.site-footer{padding:35px 20px 50px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Project rule AIO-DTA-FOOTER-001: one discreet, visible clickable text as final footer element. */
.site-footer .site-method-note{display:block;flex:0 0 100%;width:100%;margin:12px 0 0;padding:19px 0 0;border-top:1px solid #e3eaf2;color:#59697e;font-size:12px;line-height:1.6;font-weight:400;letter-spacing:0;text-align:right;text-decoration:underline;text-decoration-color:#a4b2c1;text-underline-offset:2px;overflow-wrap:anywhere;}
.site-footer .site-method-note:hover{text-decoration-color:currentColor;}
@media(max-width:600px){.site-footer .site-method-note{text-align:center;margin-top:8px;padding-top:15px;}}

/* Mobile QA repair 2026-10-17: keep long Russian FAQ headings inside 320 px viewport. */
@media (max-width: 360px) {
  .section h2 { font-size: clamp(31px, 9.3vw, 35px); letter-spacing: -.045em; }
  .questions summary { overflow-wrap: anywhere; }
}