.header{border-bottom:1px solid var(--line);background:var(--hdr);position:sticky;top:0;z-index:100;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.header__wrap{display:flex;align-items:center;justify-content:space-between;height:70px;max-width:var(--max-header-width)}.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:clamp(18px,2vw,26px);text-decoration:none;color:var(--text);letter-spacing:-.01em}.brand__dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);display:inline-block;margin-left:0}.nav{display:flex;gap:12px;align-items:center}.nbtn{background:var(--cyan);color:var(--on-cyan);font-family:var(--font-btn-family);font-size:var(--font-btn-size);font-weight:var(--font-btn-weight);text-decoration:none;padding:8px 14px;border-radius:3px;display:inline-flex;gap:8px;align-items:center;border:1px solid transparent;cursor:pointer;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast)}.nbtn:hover{border-color:var(--hov);box-shadow:0 0 0 2px var(--hovglow)}.tbtn{width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--line);background:var(--field);color:var(--muted);border-radius:4px;cursor:pointer;padding:0;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),color var(--transition-fast)}.tbtn:hover{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan);color:var(--text)}.lang-dropdown{position:relative;display:inline-block}.lang-dropdown__trigger{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 10px;background:var(--field);border:1px solid var(--line);border-radius:4px;color:var(--muted);font-family:var(--font-mono);font-size:11px;font-weight:500;cursor:pointer;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),color var(--transition-fast);outline:none}.lang-dropdown__trigger:hover,.lang-dropdown__trigger.is-active{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan);color:var(--text)}.lang-dropdown__flag{font-size:13px;line-height:1}.lang-dropdown__current-code{letter-spacing:.05em;font-weight:600;color:var(--text)}.lang-dropdown__chevron{transition:transform var(--transition-fast);color:var(--muted);margin-left:1px}.lang-dropdown__chevron.is-rotated{transform:rotate(180deg);color:var(--cyan)}.lang-dropdown__menu{position:absolute;top:calc(100% + 6px);right:0;min-width:165px;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:6px;list-style:none;margin:0;box-shadow:0 12px 30px #0006,0 0 0 1px var(--line);z-index:200;animation:dropdownFadeIn .15s ease;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.lang-dropdown__menu li{margin:0;padding:0}.lang-dropdown__item{width:100%;display:flex;align-items:center;gap:10px;padding:8px 10px;background:transparent;border:1px solid transparent;border-radius:4px;color:var(--muted);font-family:var(--font-sans);font-size:12.5px;font-weight:500;cursor:pointer;text-align:left;transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast);outline:none}.lang-dropdown__item:hover{background:var(--field);color:var(--text);border-color:#ffffff0d}.lang-dropdown__item.is-selected{background:#00e5ff14;color:var(--cyan);font-weight:600;border-color:#00e5ff33}:root[data-theme=light] .lang-dropdown__item.is-selected{background:#009db814;border-color:#009db840;color:var(--cyan)}.lang-dropdown__name{flex:1;font-size:12px}.lang-dropdown__code{font-family:var(--font-mono);font-size:10px;color:var(--muted);opacity:.7}.lang-dropdown__check{color:var(--cyan);flex-shrink:0}@media (min-width: 1024px){.nbtn{height:40px;padding:0 18px;font-size:14px}.tbtn{width:40px;height:40px}.lang-dropdown__trigger{height:40px;padding:0 12px;font-size:12px}.lang-dropdown__flag{font-size:14px}}@media (max-width: 768px){.header__wrap{height:68px}.brand{font-size:22px}.nbtn{padding:12px 14px}}@media (max-width: 680px){.nbtn span{display:none}}@media (max-width: 480px){.header__wrap{height:58px}.brand{font-size:18px}.tbtn{width:38px;height:38px}.langbox{height:38px;padding:0 8px}.nbtn{height:38px;padding:0 12px;justify-content:center}}.feat-card{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:var(--card-padding, 18px);position:relative;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-normal)}.feat-card:hover{transform:scale(1.07);z-index:1;border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan)}@media (prefers-reduced-motion: reduce){.feat-card{transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.feat-card:hover{transform:none}}.feat-card__title{display:flex;align-items:center;gap:7px;margin:0 0 8px;font-family:var(--font-card-title-family);font-size:var(--font-card-title-size);font-weight:var(--font-card-title-weight);text-transform:var(--font-card-title-transform);letter-spacing:var(--font-card-title-letter-spacing);color:var(--color-text-primary, var(--text))}.feat-card__title svg{color:var(--cyan);flex:none}.feat-card__description{margin:0;font-size:var(--font-card-desc-size);line-height:var(--font-card-desc-line-height);color:var(--muted)}.actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:44px}.action-btn{display:inline-flex;align-items:center;gap:10px;justify-content:center;text-decoration:none;font-family:var(--font-btn-family);font-size:var(--font-btn-size);font-weight:var(--font-btn-weight);border-radius:3px;height:38px;padding:0 22px;min-width:198px;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast)}.action-btn--primary{background:var(--cyan);color:var(--on-cyan);border:1px solid transparent}.action-btn--primary:hover{border-color:var(--hov);box-shadow:0 0 0 2px var(--hovglow)}.action-btn--secondary{background:var(--card);border:1px solid var(--line);color:var(--text)}.action-btn--secondary:hover{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan)}@media (max-width: 420px){.actions{margin-top:32px}}@media (max-width: 680px){.action-btn{width:100%}}.hero{text-align:center;padding:36px 0 40px}.hero__tag-wrapper{display:flex;justify-content:center}.hero__tag{display:inline-flex;gap:8px;align-items:center;font-family:var(--font-tag-family);font-size:var(--font-tag-size);font-weight:var(--font-tag-weight);letter-spacing:var(--font-tag-letter-spacing);text-transform:var(--font-tag-transform);color:var(--muted);border:1px solid var(--line);background:var(--tag);border-radius:99px;padding:5px 15px}.hero__tag-dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);display:inline-block}.hero__title{font-family:var(--font-title-family);font-size:var(--font-title-size);line-height:var(--font-title-line-height);font-weight:var(--font-title-weight);letter-spacing:var(--font-title-letter-spacing);margin:26px auto 22px;max-width:15.5em;background:linear-gradient(180deg,var(--h1a),var(--h1b));-webkit-background-clip:text;background-clip:text;color:transparent}.hero__title-highlight{font-style:normal;background:linear-gradient(100deg,var(--g1) 0%,var(--g2) 45%,var(--g3) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.hero__lead{max-width:36em;margin:0 auto;font-family:var(--font-subtitle-family);font-size:var(--font-subtitle-size);font-weight:var(--font-subtitle-weight);line-height:var(--font-subtitle-line-height);color:var(--font-subtitle-color)}.hero__lead b{color:var(--text)}.hero__feats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--feats-gap, 16px);max-width:var(--feats-max-width, 720px);margin:36px auto 0;text-align:left}@media (max-width: 900px){.hero__feats{grid-template-columns:repeat(2,minmax(0,1fr));max-width:560px}}@media (max-width: 680px){.hero{padding-top:28px}.hero__feats{grid-template-columns:1fr;max-width:400px;width:100%;margin-left:auto;margin-right:auto}}.footer{border-top:1px solid var(--line);background:var(--bar)}.footer__wrap{display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;min-height:65px;padding-top:10px;padding-bottom:10px;font-family:var(--font-footer-family);font-size:var(--font-footer-size);font-weight:var(--font-footer-weight);color:var(--muted);max-width:var(--max-header-width)}.footer__legal{display:inline-flex;align-items:center;justify-content:center;gap:50px;flex-wrap:wrap}.footer__rights{display:inline-block}.footer__support{border:0;padding:5px;background:transparent;color:var(--muted);font:inherit;font-size:12px;cursor:pointer;transition:color var(--transition-fast)}.footer__support:hover,.footer__support:focus-visible{color:var(--cyan)}.footer__contacts{display:flex;gap:28px;flex-wrap:wrap}.footer__contact-item{display:inline-flex;align-items:center;gap:7px}.footer__contact-item a{text-decoration:none;color:var(--muted);transition:color var(--transition-fast)}.footer__contact-item a:hover{color:var(--cyan)}.footer__contact-item svg{color:var(--text);flex-shrink:0}@media (max-width: 680px){.footer__support:hover,.footer__support:active,.footer__support:focus-visible{color:var(--cyan)}.footer__wrap{justify-content:center;gap:10px;padding-top:16px;padding-bottom:16px}.footer__legal{gap:18px}.footer__contacts{order:1;flex-direction:column;align-items:flex-start;gap:10px}.footer__rights{order:2}}.contact-fab{position:fixed;right:max(clamp(20px,5vw,80px),env(safe-area-inset-right));bottom:max(clamp(104px,8vw,120px),calc(80px + env(safe-area-inset-bottom)));z-index:100}.contact-toggle{width:70px;height:70px;border:0;border-radius:50%;background:#08b6d5;color:#fff;cursor:pointer;box-shadow:0 10px 28px #08b6d552;touch-action:manipulation}.contact-toggle svg{display:block;width:28px;height:28px;margin:auto;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.contact-menu{position:absolute;right:0;bottom:80px;width:300px;padding:16px;border:1px solid #26383c;border-radius:24px;background:#171717;box-shadow:0 14px 35px #00000047;max-height:calc(100dvh - 170px);overflow-y:auto}.contact-option{display:flex;gap:13px;align-items:center;padding:10px 4px;color:#f4f4f4;text-decoration:none}.contact-icon{flex:0 0 auto;width:24px;height:24px;color:#08b6d5;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.contact-option strong,.contact-option small{display:block}.contact-option strong{font-weight:400}.contact-option small{margin-top:5px;color:#999;font-size:12px;overflow-wrap:anywhere}@media (max-width: 680px){.contact-fab{right:max(16px,env(safe-area-inset-right));bottom:max(92px,calc(80px + env(safe-area-inset-bottom)))}.contact-toggle{width:56px;height:56px}.contact-toggle svg{width:25px;height:25px}.contact-menu{bottom:68px;width:min(300px,calc(100vw - 32px));padding:14px;border-radius:20px;max-height:calc(100dvh - 140px)}}@media (max-width: 374px){.contact-fab{right:max(12px,env(safe-area-inset-right));bottom:max(88px,calc(80px + env(safe-area-inset-bottom)))}.contact-menu{width:min(300px,calc(100vw - 24px))}}:root{--font-sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--font-family-body: var(--font-sans);--font-family-mono: var(--font-mono);--font-title-family: var(--font-sans);--font-title-size: clamp(32px, 4vw, 46px);--font-title-weight: 600;--font-title-line-height: 1.12;--font-title-letter-spacing: -.015em;--font-subtitle-family: var(--font-sans);--font-subtitle-size: 17px;--font-subtitle-weight: 400;--font-subtitle-line-height: 1.6;--font-subtitle-color: var(--muted);--font-card-title-family: var(--font-mono);--font-card-title-size: 12px;--font-card-title-weight: 600;--font-card-title-transform: uppercase;--font-card-title-letter-spacing: .06em;--font-card-desc-size: 13.5px;--font-card-desc-line-height: 1.5;--font-tag-family: var(--font-mono);--font-tag-size: 9.5px;--font-tag-weight: 500;--font-tag-letter-spacing: .1em;--font-tag-transform: uppercase;--font-btn-family: var(--font-mono);--font-btn-size: 13px;--font-btn-weight: 600;--font-footer-family: var(--font-mono);--font-footer-size: 10px;--font-footer-weight: 400;--card-padding: 18px;--feats-max-width: 720px;--feats-gap: 16px;--bg: #0a0e14;--bar: #0c1118;--card: #0f151d;--line: #1c2530;--text: #e8edf5;--muted: #9aa6b6;--cyan: #00e5ff;--lav: #a9b8ff;--hdr: rgba(10, 14, 20, .8);--tag: #0f161e;--field: #101720;--glow: rgba(0, 229, 255, .07);--h1a: #f2f5fb;--h1b: #c4cde0;--g1: #7df3ff;--g2: #00e5ff;--g3: #a9b8ff;--on-cyan: #001a1f;--hov: #d4fbff;--hovglow: rgba(0, 229, 255, .45);--brand-mark-bg: #18212c;color-scheme:dark;--max-content-width: 960px;--max-header-width: 1000px;--transition-fast: .15s ease;--transition-normal: .2s ease}:root[data-theme=light]{--bg: #f4f7fb;--bar: #eaf0f7;--card: #ffffff;--line: #d3dce8;--text: #0f1b2a;--muted: #52627a;--cyan: #009db8;--lav: #5b6fd6;--hdr: rgba(244, 247, 251, .88);--tag: #ffffff;--field: #ffffff;--glow: rgba(0, 157, 184, .1);--h1a: #0f1b2a;--h1b: #3d4f6b;--g1: #008fa8;--g2: #00a9c4;--g3: #5b6fd6;--on-cyan: #00212a;--hov: #00485a;--hovglow: rgba(0, 157, 184, .35);--brand-mark-bg: #e2e8f0;color-scheme:light}@media (prefers-color-scheme: light){:root:not([data-theme=dark]){--bg: #f4f7fb;--bar: #eaf0f7;--card: #ffffff;--line: #d3dce8;--text: #2a0f23;--muted: #52627a;--cyan: #009db8;--lav: #5b6fd6;--hdr: rgba(244, 247, 251, .88);--tag: #ffffff;--field: #ffffff;--glow: rgba(0, 157, 184, .1);--h1a: #0f1b2a;--h1b: #3d4f6b;--g1: #008fa8;--g2: #00a9c4;--g3: #5b6fd6;--on-cyan: #00212a;--hov: #00485a;--hovglow: rgba(0, 157, 184, .35);--brand-mark-bg: #e2e8f0;color-scheme:light}}@media (max-width: 768px){:root{--font-subtitle-size: 16px;--font-card-title-size: 11.5px;--font-card-desc-size: 13.5px;--font-btn-size: 12.5px;--card-padding: 16px;--feats-gap: 14px;--feats-max-width: 100%;--max-content-width: 100%;--max-header-width: 100%}}@media (max-width: 680px){:root{--font-subtitle-size: 15px;--font-card-title-size: 11px;--font-card-desc-size: 13px;--font-btn-size: 12px;--card-padding: 15px;--feats-gap: 12px}}@media (max-width: 480px){:root{--font-subtitle-size: 14.5px;--font-card-title-size: 10.5px;--font-card-desc-size: 12.5px;--font-btn-size: 11.5px;--card-padding: 13px;--feats-gap: 10px}}@media (min-width: 1440px){:root{--max-content-width: 1100px;--max-header-width: 1160px;--font-subtitle-size: 18px;--feats-max-width: 860px;--feats-gap: 20px}}@media (min-width: 1920px){:root{--max-content-width: 1280px;--max-header-width: 1340px;--feats-max-width: 960px}}*,*:before,*:after{box-sizing:border-box}html{scroll-padding-top:env(safe-area-inset-top,0px);scroll-behavior:smooth;box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;flex-direction:column;background-color:var(--bg);color:var(--text);font-family:var(--font-family-body);line-height:1.6;background-image:radial-gradient(ellipse 60% 40% at 50% 28%,var(--glow),transparent 70%);padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.wrap{width:100%;max-width:var(--max-content-width);margin:0 auto;padding-inline:max(20px,env(safe-area-inset-left));padding-inline-end:max(20px,env(safe-area-inset-right))}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;display:flex;flex-direction:column}