@font-face{font-family:rt-display;src:url(rt-display.woff2) format("woff2");font-weight:500 700;font-display:swap}
@font-face{font-family:rt-text;src:url(rt-text.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:rt-text;src:url(rt-text-i.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:rt-text;src:url(rt-text-b.woff2) format("woff2");font-weight:600 700;font-display:swap}
:root{--rt-night:#0b1020;--rt-night2:#131c33;--rt-teal:#14b8a6;--rt-teal-d:#0f766e;--rt-amber:#f5a524;--rt-violet:#8b7cf6;--rt-bg:#f6f7fb;--rt-surface:#fff;--rt-ink:#141a2b;--rt-mute:#55607a;--rt-line:#e3e6ef;--rt-link:#0f766e;--rt-r:18px;--rt-max:76rem;--rt-shadow:0 1px 2px rgba(11,16,32,.05),0 12px 32px -12px rgba(11,16,32,.16)}
@media (prefers-color-scheme:dark){:root{--rt-bg:#0b1020;--rt-surface:#121a2e;--rt-ink:#e7ebf5;--rt-mute:#a3adc6;--rt-line:#24304d;--rt-link:#5eead4;--rt-shadow:0 1px 0 rgba(255,255,255,.03),0 16px 40px -16px rgba(0,0,0,.6)}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--rt-bg);color:var(--rt-ink);font:400 1.125rem/1.72 rt-text,Georgia,serif;text-rendering:optimizeLegibility}
h1,h2,h3,summary,.rt-eyebrow,.rt-nav,.rt-mark,table,.rt-facts b,.rt-cta,.rt-chips,dt{font-family:rt-display,system-ui,sans-serif}
a{color:var(--rt-link);text-decoration-thickness:1px;text-underline-offset:.2em}
a:hover{color:var(--rt-amber)}
:focus-visible{outline:3px solid var(--rt-amber);outline-offset:3px;border-radius:4px}
.rt-skip{position:absolute;left:-999px;top:.5rem;z-index:20;background:#fff;color:#000;padding:.5rem .8rem;border-radius:8px}.rt-skip:focus{left:.5rem}
.rt-vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* bar */
.rt-bar{position:sticky;top:0;z-index:10;background:rgba(11,16,32,.82);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid rgba(255,255,255,.07)}
.rt-bar__in{max-width:var(--rt-max);margin:auto;display:flex;align-items:center;gap:1rem;padding:.7rem 1.25rem}
.rt-mark{display:flex;align-items:center;gap:.6rem;color:#fff;text-decoration:none;font-weight:700;font-size:1.05rem;letter-spacing:-.01em;margin-right:auto}
.rt-mark svg{width:30px;height:30px;color:#fff}.rt-mark em{font-style:normal;color:var(--rt-amber);margin-left:.3em}
.rt-mark:hover{color:#fff}
.rt-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:.25rem}
.rt-nav a{display:block;color:#c9d2e6;text-decoration:none;font-size:.93rem;font-weight:500;padding:.45rem .8rem;border-radius:999px;transition:background .2s,color .2s}
.rt-nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.rt-nav a[aria-current]{color:var(--rt-night);background:var(--rt-amber)}
.rt-nav li:last-child a:not([aria-current]){color:var(--rt-amber);box-shadow:inset 0 0 0 1px rgba(245,165,36,.5)}
.rt-burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.rt-burger span:first-child,.rt-burger span:first-child::before,.rt-burger span:first-child::after{position:absolute;left:11px;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .25s}
.rt-burger span:first-child{top:21px}.rt-burger span:first-child::before{content:"";left:0;top:-7px}.rt-burger span:first-child::after{content:"";left:0;top:7px}
.rt-burger[aria-expanded=true] span:first-child{background:transparent}.rt-burger[aria-expanded=true] span:first-child::before{transform:translateY(7px) rotate(45deg)}.rt-burger[aria-expanded=true] span:first-child::after{transform:translateY(-7px) rotate(-45deg)}
/* hero */
.rt-hero{position:relative;overflow:hidden;color:#e8ecf6;background:radial-gradient(60rem 30rem at 85% 20%,rgba(20,184,166,.22),transparent 60%),radial-gradient(40rem 26rem at 0% 100%,rgba(139,124,246,.2),transparent 60%),var(--rt-night)}
.rt-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,#000,transparent);-webkit-mask-image:linear-gradient(to bottom,#000,transparent);pointer-events:none}
.rt-hero__in{position:relative;z-index:1;max-width:var(--rt-max);margin:auto;display:grid;grid-template-columns:1.25fr .75fr;gap:2rem;align-items:center;padding:3.5rem 1.25rem 3rem}
.rt--home .rt-hero__in{padding:5rem 1.25rem 4.5rem}
.rt-eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--rt-amber)}
.rt-eyebrow::before{content:"";width:28px;height:2px;background:currentColor}
.rt-hero h1{font-size:clamp(2rem,4.6vw,3.6rem);line-height:1.06;letter-spacing:-.025em;margin:.9rem 0 1rem;color:#fff;font-weight:700;text-wrap:balance}
.rt-hero p{font-size:1.15rem;color:#b9c3da;max-width:38rem;margin:0}
.rt-chips{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;padding:0;margin:1.6rem 0 0}
.rt-chips li{font-size:.85rem;font-weight:500;padding:.35rem .8rem;border-radius:999px;border:1px solid rgba(255,255,255,.18);color:#e2e8f5;background:rgba(255,255,255,.04)}
.rt-chips li:nth-child(1){border-color:rgba(245,165,36,.6)}.rt-chips li:nth-child(2){border-color:rgba(45,212,191,.6)}.rt-chips li:nth-child(3){border-color:rgba(196,181,253,.6)}
.rt-triad{width:100%;max-width:400px;display:block;margin:auto;filter:drop-shadow(0 20px 40px rgba(0,0,0,.35))}
.rt-triad--sm{max-width:220px;opacity:.9}
.rt-triad .rt-links path{stroke-dasharray:6 6;animation:rt-dash 18s linear infinite}
@keyframes rt-dash{to{stroke-dashoffset:-240}}
.rt-hero__txt>*{animation:rt-up .7s cubic-bezier(.2,.7,.2,1) both}.rt-hero__txt>*:nth-child(2){animation-delay:.08s}.rt-hero__txt>*:nth-child(3){animation-delay:.16s}.rt-hero__txt>*:nth-child(4){animation-delay:.24s}
@keyframes rt-up{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
/* layout */
.rt-main{padding:3rem 1.25rem 4rem}
.rt-layout{max-width:var(--rt-max);margin:auto;display:grid;grid-template-columns:minmax(0,1fr) 19rem;gap:3.5rem;align-items:start}
.rt-layout>article{max-width:44rem}
article h2{font-size:clamp(1.45rem,2.4vw,1.9rem);line-height:1.2;letter-spacing:-.015em;margin:2.6rem 0 .8rem;font-weight:700}
article h2::before{content:"";display:block;width:36px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--rt-teal),var(--rt-amber));margin-bottom:.9rem}
article h3{font-size:1.2rem;margin:1.8rem 0 .5rem}
article>p:first-of-type:not(.rt-note){font-size:1.2rem}
article ul,article ol{padding-left:1.2rem}article li{margin:.35rem 0}article li::marker{color:var(--rt-teal)}
.rt-note{margin:0 0 2rem;padding:1.1rem 1.25rem 1.1rem 1.4rem;border-radius:var(--rt-r);background:linear-gradient(90deg,rgba(245,165,36,.14),rgba(245,165,36,.04));border:1px solid rgba(245,165,36,.35);font-size:.98rem;line-height:1.6}
.rt-note strong{color:#b45309}@media (prefers-color-scheme:dark){.rt-note strong{color:var(--rt-amber)}}
.rt-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--rt-line);border:1px solid var(--rt-line);border-radius:var(--rt-r);overflow:hidden;margin:2rem 0}
.rt-facts>div{background:var(--rt-surface);padding:1.1rem 1.25rem;font-size:1rem;line-height:1.45}
.rt-facts b{display:block;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--rt-mute);margin-bottom:.35rem;font-weight:600}
aside{position:sticky;top:5.5rem}
.rt-card{background:var(--rt-surface);border:1px solid var(--rt-line);border-radius:var(--rt-r);padding:1.4rem 1.4rem 1.1rem;box-shadow:var(--rt-shadow);position:relative;overflow:hidden}
.rt-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--rt-amber),var(--rt-teal),var(--rt-violet))}
.rt-card h2{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--rt-mute);margin:0 0 .8rem}
.rt-card ul{list-style:none;padding:0;margin:0;font-size:.98rem}.rt-card li{padding:.55rem 0;border-top:1px solid var(--rt-line);line-height:1.45}.rt-card li:first-child{border-top:0}
.rt-fig{margin:2rem 0;padding:1rem;background:var(--rt-surface);border:1px solid var(--rt-line);border-radius:var(--rt-r);box-shadow:var(--rt-shadow)}
.rt-fig img{width:100%;height:auto;display:block;border-radius:10px}
.rt-fig figcaption{font-size:.92rem;color:var(--rt-mute);margin-top:.8rem;line-height:1.5}
table{width:100%;border-collapse:separate;border-spacing:0;margin:1.6rem 0;font-size:.92rem;background:var(--rt-surface);border:1px solid var(--rt-line);border-radius:14px;overflow:hidden;display:block;overflow-x:auto}
th,td{text-align:left;padding:.75rem .9rem;border-bottom:1px solid var(--rt-line);vertical-align:top;line-height:1.45}
thead th,tr:first-child th{background:var(--rt-night);color:#fff;font-weight:600;font-size:.8rem;letter-spacing:.04em}
tbody tr:hover td{background:rgba(20,184,166,.06)}
details{border:1px solid var(--rt-line);background:var(--rt-surface);border-radius:14px;margin:.7rem 0;transition:box-shadow .2s,border-color .2s}
details[open]{box-shadow:var(--rt-shadow);border-color:rgba(20,184,166,.45)}
summary{cursor:pointer;list-style:none;padding:1rem 3rem 1rem 1.2rem;font-weight:600;font-size:1.05rem;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:1.2rem;top:50%;width:10px;height:10px;border-right:2px solid var(--rt-teal);border-bottom:2px solid var(--rt-teal);transform:translateY(-70%) rotate(45deg);transition:transform .25s}
details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
details>p{margin:0;padding:0 1.2rem 1.1rem;color:var(--rt-ink)}
dl{display:grid;grid-template-columns:1fr;gap:.7rem;margin:1.5rem 0}
dt{font-weight:700;font-size:1.05rem;padding:1rem 1.2rem 0;background:var(--rt-surface);border:1px solid var(--rt-line);border-bottom:0;border-radius:14px 14px 0 0;color:var(--rt-teal-d)}
@media (prefers-color-scheme:dark){dt{color:var(--rt-link)}}
dd{margin:-.7rem 0 0;padding:.3rem 1.2rem 1rem;background:var(--rt-surface);border:1px solid var(--rt-line);border-top:0;border-radius:0 0 14px 14px}
.rt-refs{font-size:.92rem;color:var(--rt-mute);counter-reset:r;list-style:none;padding:0}
.rt-refs li{counter-increment:r;padding-left:2.4rem;position:relative;margin:.8rem 0}
.rt-refs li::before{content:counter(r);position:absolute;left:0;top:.1rem;width:1.7rem;height:1.7rem;border-radius:50%;display:grid;place-items:center;font:600 .78rem rt-display,sans-serif;background:var(--rt-night);color:var(--rt-amber)}
.rt-cta{display:inline-flex;align-items:center;gap:.7rem;padding:1rem 1.6rem;border-radius:999px;background:var(--rt-night);color:#fff;text-decoration:none;font-weight:600;font-size:1.02rem;box-shadow:0 10px 30px -10px rgba(11,16,32,.6);transition:transform .2s,box-shadow .2s,background .2s}
.rt-cta::after{content:"→";color:var(--rt-amber);transition:transform .2s}
.rt-cta:hover{color:#fff;transform:translateY(-2px);background:#18233f}.rt-cta:hover::after{transform:translateX(4px)}
@media (prefers-color-scheme:dark){.rt-cta{background:var(--rt-amber);color:var(--rt-night)}.rt-cta::after{color:var(--rt-night)}.rt-cta:hover{background:#ffc35c;color:var(--rt-night)}}
/* foot */
.rt-foot{background:var(--rt-night);color:#9aa5bf;font-size:.95rem}
.rt-foot__in{max-width:var(--rt-max);margin:auto;padding:3rem 1.25rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:2rem}
.rt-foot p{max-width:28rem;margin:.9rem 0 0;line-height:1.6}
.rt-foot ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,auto);gap:.45rem 2.2rem}
.rt-foot a{color:#d5dcec;text-decoration:none;font-family:rt-display,sans-serif;font-size:.92rem}.rt-foot a:hover{color:var(--rt-amber)}
.rt-reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}.rt-reveal.rt-in{opacity:1;transform:none}
@media (max-width:960px){
.rt-layout{grid-template-columns:1fr;gap:2rem}aside{position:static}
.rt-hero__in,.rt--home .rt-hero__in{grid-template-columns:1fr;padding:2.6rem 1.25rem 2.4rem}
.rt-hero__art{order:-1}.rt-triad{max-width:260px}.rt-triad--sm{display:none}
.rt-burger{display:block}
.rt-nav{position:absolute;left:0;right:0;top:100%;background:rgba(11,16,32,.97);border-bottom:1px solid rgba(255,255,255,.08);display:none}
.rt-nav.rt-open{display:block}
.rt-nav ul{flex-direction:column;padding:.6rem 1rem 1rem}.rt-nav a{padding:.75rem .9rem;border-radius:12px}
}
@media (max-width:560px){body{font-size:1.06rem}.rt-facts{grid-template-columns:1fr}.rt-foot ul{grid-template-columns:1fr}.rt-main{padding:2rem 1.1rem 3rem}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.rt-pulse{display:none}.rt-reveal{opacity:1;transform:none}html{scroll-behavior:auto}}