:root{color-scheme:light;--purple:#510b7d;--bright:#8b0dc9;--ink:#2c103d;--green:#008a19;--paper:#f4f4f4;--gold:#d4ba69}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.55}a{color:inherit}img{display:block;max-width:100%;height:auto}button,summary,a{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid #efb72b;outline-offset:5px}p{margin:0 0 20px}p:last-child{margin-bottom:0}h1,h2,h3{line-height:1.16;margin:0 0 18px;font-weight:750;letter-spacing:-.025em}h1{font-size:clamp(32px,3.6vw,50px)}h2{font-size:clamp(27px,2.6vw,36px)}h3{font-size:21px;letter-spacing:-.015em}.sin-casing{width:100%;max-width:1256px;margin-inline:auto;padding-inline:24px}.sin-lane-nudge{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.sin-lane-nudge:focus{position:fixed;top:8px;left:8px;width:auto;height:auto;clip-path:none;padding:12px;background:#fff;color:var(--purple);z-index:100}.sin-crest{position:sticky;top:0;background:var(--purple);color:#fff;z-index:20;border-radius:0 0 14px 14px}.sin-helm-sheath{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.sin-cove{width:191px;flex-shrink:0}.sin-helm-loft{margin-left:auto;display:flex;align-items:center;gap:36px}.sin-helm-knob{display:flex;align-items:center;gap:28px}.sin-forge{text-decoration:none}.sin-lever{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 32px;border-radius:999px;background:var(--green);color:#fff;text-decoration:none;font-size:16px;font-weight:700;text-align:center;border:0;line-height:1.35}.sin-lever:hover{background:#087720}.sin-helm-knob .sin-lever{min-height:34px;padding:6px 28px}.sin-hop{position:relative}.sin-hop summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;padding:10px 0}.sin-hop summary::-webkit-details-marker{display:none}.sin-hop summary:before{content:'';width:20px;height:14px;border-top:2px solid;border-bottom:2px solid;background:linear-gradient(currentColor,currentColor) 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p{padding:20px}.sin-arc{background:#080b0e;color:#fff;border:1px solid #bcad60;padding-top:48px;position:relative;margin-top:50px}.sin-arc>h2{display:table;margin:-72px auto 25px;border:2px solid var(--gold);border-radius:50px;background:#101419;padding:12px 30px;color:#e7ce83;text-align:center;text-transform:uppercase;font-size:29px;font-weight:900}.sin-arc>p{text-align:center;margin-inline:auto;max-width:850px;color:#e5e1d5}.sin-arc .sin-node{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:28px}.sin-arc .sin-reef:nth-child(-n+3){border:1px solid #bda55f;border-radius:15px;padding:25px;text-align:center;background:linear-gradient(145deg,#302921,#101419)}.sin-arc h3{color:#efda99}.sin-arc .sin-reef:nth-child(4){grid-column:1/-1;text-align:center;border:1px solid #ac9551;border-radius:16px;background:radial-gradient(ellipse at top,#23483f,#0a1516);padding:28px 10%;font-size:18px}.sin-arc .sin-reef:nth-child(4) h3{font-size:32px}.sin-arc .sin-reef:nth-child(n+5){padding:18px 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@media(min-width:769px) and (max-width:1100px){.sin-splash-tagline{padding:28px;width:43%}.sin-splash-token{min-height:310px}.sin-splash-token>img{max-width:73%;object-fit:cover}.sin-vane .sin-node,.sin-flow .sin-node{grid-template-columns:repeat(2,minmax(0,1fr))}.sin-edge-area{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:768px){body{font-size:16px;padding-bottom:calc(76px + env(safe-area-inset-bottom))}.sin-casing{padding-inline:12px}.sin-helm-sheath{height:60px;padding-inline:16px}.sin-cove{width:148px}.sin-helm-knob{display:none}.sin-helm-loft{gap:0}.sin-hop summary{font-size:14px}.sin-hop nav{right:0}.sin-crest{border-radius:0}.sin-well-nest{padding-top:12px;padding-bottom:12px}.sin-dock{padding:24px 18px;margin-bottom:18px;border-radius:13px}.sin-splash{padding:0}.sin-splash-token{min-height:230px;align-items:flex-start}.sin-splash-token>img{width:100%;height:auto;max-width:none;top:auto;bottom:0;object-fit:contain}.sin-splash-tagline{width:57%;padding:23px 0 90px 18px;text-shadow:0 1px 3px #50008870}.sin-splash-tagline h1{font-size:30px}.sin-splash-tagline p{font-size:16px;line-height:1.4}.sin-splash-passage{padding:22px 18px}.sin-splash-passage .sin-lever{width:100%}.sin-vane .sin-node{grid-template-columns:1fr 1fr;gap:12px}.sin-vane .sin-reef{padding:16px 12px}.sin-vane h3{font-size:19px}.sin-vane .sin-reef p{font-size:15px}.sin-vane .sin-reef:last-child{grid-column:1/-1}.sin-vane>.sin-lever{width:100%}.sin-flow{padding:16px 0}.sin-flow .sin-node{grid-template-columns:1fr 1fr;gap:12px}.sin-flow .sin-reef h3{padding:18px 14px;font-size:20px;min-height:86px}.sin-flow .sin-reef p{padding:16px 14px;font-size:15px}.sin-arc{margin-top:42px;padding-top:40px}.sin-arc>h2{font-size:24px;margin-top:-64px;padding:12px 22px}.sin-arc .sin-node{grid-template-columns:1fr;gap:14px}.sin-arc .sin-reef:nth-child(n){grid-column:auto;padding:22px 18px}.sin-arc .sin-reef:nth-child(4){padding:26px 18px}.sin-arc .sin-reef:nth-child(n+5){padding:20px 0}.sin-mill{padding:16px 0}.sin-edge-area{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:20px 0}.sin-edge-area img{border-radius:9px}.sin-mill .sin-node{grid-template-columns:1fr;padding-inline:16px}.sin-mill .sin-reef{padding:20px 0}.sin-bay .sin-node,.sin-queue .sin-node,.sin-fold .sin-node{grid-template-columns:1fr}.sin-bay>.sin-lever{width:100%}.sin-unit .sin-reef>div,.sin-beam .sin-reef>div,.sin-vault .sin-reef>div{display:block}.sin-unit h3,.sin-beam h3,.sin-vault h3{margin-bottom:12px}.sin-unit td,.sin-unit th{padding:13px 10px;font-size:15px}.sin-fold{padding:28px 24px}.sin-fold>h2{font-size:34px}.sin-fold>p{font-size:17px}.sin-rib{padding:32px 22px}.sin-rib .sin-lever{width:100%}.sin-plinth-zone{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:30;background:var(--purple);padding:12px 20px calc(12px + env(safe-area-inset-bottom));min-height:72px;border-top:1px solid #ffffff28}.sin-plinth-zone .sin-lever{width:100%;min-height:48px}.sin-well-core{padding:24px 18px}.sin-well-core h1{font-size:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* official_build: меню на все секции (R9) */
.sin-sect-menu{position:relative;margin-left:auto}.sin-sect-menu>summary{list-style:none;cursor:pointer;padding:8px 14px;border:1px solid currentColor;border-radius:999px;font-weight:700}.sin-sect-menu>summary::-webkit-details-marker{display:none}.sin-sect-menu>nav{display:none}.sin-sect-menu[open]>nav{display:flex;flex-direction:column;position:absolute;right:0;top:calc(100% + 8px);min-width:280px;max-height:70vh;overflow:auto;padding:10px;background:#fff;color:#111;border-radius:10px;box-shadow:0 10px 30px #0006;z-index:90}.sin-sect-menu[open]>nav a{padding:10px 12px;color:#111;text-decoration:none;border-radius:6px}.sin-sect-menu[open]>nav a:hover{background:#0000000d}