@font-face{font-family:"Outfit";font-style:normal;font-weight:400;font-display:optional;src:url("../fonts/outfit-400.woff2") format("woff2")}@font-face{font-family:"Outfit";font-style:normal;font-weight:600;font-display:optional;src:url("../fonts/outfit-700.woff2") format("woff2")}@font-face{font-family:"Outfit";font-style:normal;font-weight:700;font-display:optional;src:url("../fonts/outfit-700.woff2") format("woff2")}:root{--bg:#05070b;--bg-elev:#0b0f16;--panel:#101622;--panel-2:#161d2c;--line:#2a3448;--text:#f2f5fb;--muted:#b7c0d4;--html:#ff6b6b;--css:#3ecfff;--js:#ffd166;--lime:#2dff9a;--cyan:#00d4ff;--orange:#ff8a3d;--focus:#7dd3ff;--radius:14px;--radius-sm:10px;--shadow:0 14px 40px rgba(0,0,0,0.45);--font:system-ui,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Outfit",sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"JetBrains Mono",monospace;--nav-h:68px;--max:1120px;--ease:cubic-bezier(0.22,1,0.36,1)}*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px);-webkit-text-size-adjust:100%;text-size-adjust:100%}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important}}body{margin:0;min-height:100vh;min-height:100dvh;color:var(--text);font-family:var(--font);font-size:16px;line-height:1.65;overflow-x:hidden;background:radial-gradient(900px 420px at 12% -10%,rgba(0,212,255,0.12),transparent 55%),radial-gradient(700px 380px at 88% 0%,rgba(45,255,154,0.08),transparent 50%),radial-gradient(600px 360px at 70% 100%,rgba(255,138,61,0.07),transparent 55%),var(--bg);-webkit-font-smoothing:antialiased;display:flex;flex-direction:column}img,svg{display:block;max-width:100%;height:auto}a{color:var(--cyan);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--lime)}:focus-visible{outline:2px solid var(--focus);outline-offset:3px}.skip-link{position:absolute;left:12px;top:-48px;z-index:1000;background:var(--lime);color:#04120a;font-weight:700;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.container{width:min(100% - 2rem,var(--max));margin-inline:auto}main{flex:1 0 auto;width:100%;overflow-wrap:anywhere}.site-header{position:sticky;top:0;z-index:100;height:var(--nav-h);background:rgba(5,7,11,0.92);border-bottom:1px solid rgba(42,52,72,0.9)}@supports ((-webkit-backdrop-filter:blur(12px)) or (backdrop-filter:blur(12px))){.site-header{background:rgba(5,7,11,0.78);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}}.nav{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand{display:inline-flex;align-items:center;gap:0.7rem;color:var(--text);text-decoration:none;font-weight:700;letter-spacing:0.2px}.brand-mark{width:36px;height:36px;border-radius:10px;flex-shrink:0}.brand-text span{background:linear-gradient(90deg,var(--lime),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}.nav-links{display:flex;align-items:center;gap:0.35rem;list-style:none;margin:0;padding:0}.nav-links a{display:inline-flex;align-items:center;gap:0.4rem;color:var(--muted);text-decoration:none;font-weight:600;font-size:0.95rem;padding:0.55rem 0.8rem;border-radius:999px;transition:color 0.2s var(--ease),background 0.2s var(--ease)}.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text);background:rgba(255,255,255,0.05)}.nav-links a[aria-current="page"]{box-shadow:inset 0 0 0 1px rgba(0,212,255,0.35)}.nav-cta{display:inline-flex;align-items:center;gap:0.45rem;margin-left:0.35rem;padding:0.65rem 1rem !important;border-radius:999px !important;background:linear-gradient(135deg,#12b886,#00b4d8) !important;color:#04120a !important;box-shadow:0 8px 24px rgba(0,180,160,0.28)}.nav-cta:hover{filter:brightness(1.05);color:#04120a !important}.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text);cursor:pointer;align-items:center;justify-content:center}.nav-toggle svg{width:22px;height:22px}.icon{width:1.05em;height:1.05em;flex-shrink:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.45rem;border:0;cursor:pointer;font:inherit;font-weight:700;padding:0.75rem 1.15rem;border-radius:999px;text-decoration:none;transition:transform 0.18s var(--ease),filter 0.18s var(--ease),background 0.18s var(--ease)}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn svg{width:18px;height:18px}.btn-primary{background:linear-gradient(135deg,var(--lime),var(--cyan));color:#04120a}.btn-orange{background:linear-gradient(135deg,#ff9f43,#ff6b35);color:#1a0b02}.btn-cyan{background:linear-gradient(135deg,#00c6ff,#3a7bd5);color:#031018}.btn-ghost{background:transparent;color:var(--text);box-shadow:inset 0 0 0 1px var(--line)}.btn-ghost:hover{background:rgba(255,255,255,0.04)}.btn-danger{background:linear-gradient(135deg,#ff6b6b,#ee5a24);color:#1a0505}.btn-sm{padding:0.5rem 0.85rem;font-size:0.9rem}.page-hero{padding:2.6rem 0 1.5rem}.page-hero h1{margin:0 0 0.75rem;font-size:clamp(1.85rem,4vw,2.75rem);line-height:1.15;letter-spacing:-0.02em}.page-hero p.lead{margin:0;max-width:62ch;color:var(--muted);font-size:1.08rem}.gradient-text{background:linear-gradient(90deg,var(--lime),var(--cyan),var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}.eyebrow{display:inline-flex;align-items:center;gap:0.4rem;margin-bottom:0.85rem;padding:0.35rem 0.75rem;border-radius:999px;border:1px solid rgba(45,255,154,0.35);color:var(--lime);font-size:0.82rem;font-weight:700;letter-spacing:0.04em;text-transform:uppercase}.prose{color:var(--muted)}.prose h2,.prose h3,.feature-card h3,.aside-title,main h2,main h3{line-height:1.25;background:linear-gradient(90deg,var(--orange) 0%,#ffd166 45%,var(--lime) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.prose h2,.prose h3{margin-top:1.8rem}.prose h3{background:linear-gradient(90deg,var(--lime),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}.prose p,.prose li{margin-bottom:1rem}.prose ul{padding-left:1.2rem}.prose strong{color:var(--text)}.glass{background:linear-gradient(180deg,rgba(22,29,44,0.92),rgba(16,22,34,0.92));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:1.5rem 0 2rem}.section-heading{margin:0 0 0.25rem;font-size:clamp(1.35rem,3vw,1.75rem);line-height:1.25;background:linear-gradient(90deg,var(--orange) 0%,#ffd166 45%,var(--lime) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.feature-card{padding:1.1rem;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line)}.feature-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:0.75rem;color:#04120a}.feature-icon svg{width:22px;height:22px}.feature-icon.lime{background:var(--lime)}.feature-icon.cyan{background:var(--cyan)}.feature-icon.orange{background:var(--orange)}.feature-icon.js{background:var(--js)}.feature-card h3{margin:0 0 0.35rem;font-size:1.05rem}.feature-card p{margin:0;color:var(--muted);font-size:0.95rem}.footer-heading{display:flex;align-items:center;gap:0.55rem;margin:0 0 0.85rem;font-size:1rem}.footer-heading .fh-text{background:linear-gradient(90deg,var(--orange),var(--lime));-webkit-background-clip:text;background-clip:text;color:transparent}.footer-ico{width:32px;height:32px;border-radius:10px;display:inline-grid;place-items:center;flex-shrink:0;color:#04120a}.footer-ico svg{width:16px;height:16px;display:block}.footer-ico.lime{background:var(--lime)}.footer-ico.cyan{background:var(--cyan)}.footer-ico.orange{background:var(--orange)}.footer-ico.js{background:var(--js);color:#1a1400}.footer-ico.html{background:var(--html);color:#1a0505}.footer-links a{display:inline-flex;align-items:center;gap:0.5rem}.footer-links .link-ico{width:26px;height:26px;border-radius:8px;display:inline-grid;place-items:center;flex-shrink:0;color:#04120a}.footer-links .link-ico svg{width:13px;height:13px;display:block}.footer-links .link-ico.lime{background:var(--lime)}.footer-links .link-ico.cyan{background:var(--cyan)}.footer-links .link-ico.orange{background:var(--orange)}.footer-links .link-ico.js{background:var(--js);color:#1a1400}.footer-links .link-ico.html{background:var(--html);color:#ffffff}.footer-links a:hover .link-ico{filter:brightness(1.08);transform:translateY(-1px)}.footer-links .link-ico{transition:transform 0.18s var(--ease),filter 0.18s var(--ease)}.content-section{padding:0.5rem 0 3rem;content-visibility:auto;contain-intrinsic-size:1px 700px}.content-panel{padding:clamp(1.1rem,3vw,2rem)}.site-footer{margin-top:auto;border-top:1px solid var(--line);background:#060910;padding:2.5rem 0 1.5rem}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:1.5rem}.site-footer p,.site-footer a{color:var(--muted);text-decoration:none;font-size:0.95rem}.site-footer a:hover{color:var(--lime)}.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:0.55rem}.footer-bottom{margin-top:1.75rem;padding-top:1rem;border-top:1px solid var(--line);color:var(--muted);font-size:0.9rem;display:flex;flex-wrap:wrap;gap:0.75rem;justify-content:space-between}.tester-shell{padding-bottom:1rem}.toolbar{display:flex;flex-wrap:wrap;gap:0.6rem;align-items:center;justify-content:space-between;margin-bottom:0.85rem}.toolbar-group{display:flex;flex-wrap:wrap;gap:0.5rem;align-items:center}.device-tabs{display:inline-flex;gap:0.35rem;padding:0.3rem;border-radius:999px;background:var(--bg-elev);border:1px solid var(--line)}.device-btn{border:0;background:transparent;color:var(--muted);cursor:pointer;font:inherit;font-weight:700;font-size:0.88rem;padding:0.5rem 0.8rem;border-radius:999px;display:inline-flex;align-items:center;gap:0.35rem}.device-btn svg{width:16px;height:16px}.device-btn.active{background:linear-gradient(135deg,#12b886,#00b4d8);color:#04120a}.preview-wrap{height:min(52vh,520px);min-height:240px;margin-bottom:0.35rem;contain:layout paint}.preview-area{height:100%;padding:0.75rem;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);display:flex;justify-content:center;min-width:0}.preview-shell{width:100%;max-width:100%;height:100%;border-radius:12px;overflow:hidden;background:#fff;border:1px solid #1f2738;transition:max-width 0.28s var(--ease);will-change:max-width}.preview-shell iframe{width:100%;height:100%;border:0;background:#fff;display:block}.resize-handle{height:18px;display:grid;place-items:center;cursor:row-resize;color:var(--muted);user-select:none;touch-action:none}.resize-handle span{width:42px;height:4px;border-radius:999px;background:#3a4660}.editors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0.85rem;margin-bottom:1.25rem}.editor-card{min-height:260px;min-width:0;display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);contain:content}.editor-card.html{border-top:3px solid var(--html)}.editor-card.css{border-top:3px solid var(--css)}.editor-card.js{border-top:3px solid var(--js)}.editor-head{display:flex;align-items:center;justify-content:space-between;gap:0.5rem;padding:0.7rem 0.85rem;background:var(--bg-elev);border-bottom:1px solid var(--line)}.editor-label{display:inline-flex;align-items:center;gap:0.5rem;font-weight:700;letter-spacing:0.02em}.pill{width:10px;height:10px;border-radius:3px}.pill.html{background:var(--html)}.pill.css{background:var(--css)}.pill.js{background:var(--js)}.editor-body{position:relative;flex:1;min-height:220px}.editor-body pre,.editor-body textarea{margin:0;position:absolute;inset:0;width:100%;height:100%;padding:0.9rem 0.95rem;border:0;font-family:var(--mono);font-size:13.5px;line-height:1.55;tab-size:2;white-space:pre-wrap;word-wrap:break-word;overflow:auto}.editor-body pre{pointer-events:none;color:var(--text);background:transparent}.editor-body textarea{resize:none;outline:none;background:transparent;color:transparent;caret-color:#e8eefc;z-index:1}.editor-body textarea::placeholder{color:#9aa6bd;opacity:1}.tok-tag{color:#ff7b7b}.tok-attr{color:#7dd3ff}.tok-string{color:#ffd166}.tok-comment{color:#8b98b3;font-style:italic}.tok-keyword{color:#5ce1ff}.tok-number{color:#2dff9a}.tok-selector{color:#3ecfff}.tok-property{color:#9cdcfe}.tok-value{color:#ffd166}.tok-fn{color:#82aaff}.tok-punct{color:#c5d0e6}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(45,255,154,0.15)}.helper-note{color:var(--muted);font-size:0.92rem;margin:0 0 2rem}.form-grid{display:grid;gap:1rem}.form-row{display:grid;gap:0.4rem}.form-row label{font-weight:600;color:var(--text)}.form-row input,.form-row textarea,.form-row select{width:100%;border:1px solid var(--line);background:var(--bg-elev);color:var(--text);border-radius:12px;padding:0.8rem 0.9rem;font:inherit}.form-row textarea{min-height:140px;resize:vertical}.form-actions{display:flex;flex-wrap:wrap;gap:0.6rem;align-items:center}.form-msg{margin:0;font-weight:600;color:var(--lime);min-height:1.4em}.form-msg.error{color:#ff8e8e}.two-col{display:grid;grid-template-columns:1.2fr 0.8fr;gap:1.25rem;align-items:start}@media (max-width:1100px){.feature-grid{grid-template-columns:repeat(2,1fr)}.editors{grid-template-columns:repeat(2,minmax(0,1fr))}.editors .editor-card.js{grid-column:1 / -1}}@media (max-width:980px){.footer-grid{grid-template-columns:1fr 1fr}.two-col{grid-template-columns:1fr}.preview-wrap{height:min(46vh,440px)}}@media (max-width:820px){:root{--nav-h:60px}.nav-toggle{display:inline-flex}.nav-links{position:fixed;inset:var(--nav-h) 0.75rem auto;display:none;flex-direction:column;align-items:stretch;padding:0.75rem;border-radius:16px;background:rgba(10,14,22,0.98);border:1px solid var(--line);box-shadow:var(--shadow);max-height:calc(100dvh - var(--nav-h) - 1rem);overflow:auto;-webkit-overflow-scrolling:touch;z-index:120}.nav-links.open{display:flex}.nav-links a{width:100%}.nav-cta{margin-left:0;justify-content:center}.editors{grid-template-columns:1fr}.editors .editor-card.js{grid-column:auto}.toolbar{gap:0.75rem}.toolbar-group{width:100%}.device-tabs{width:100%;justify-content:space-between}.device-btn{flex:1;justify-content:center;min-height:42px}.btn-sm{min-height:42px}.page-hero{padding:1.5rem 0 1rem}.site-header{background:rgba(5,7,11,0.96);-webkit-backdrop-filter:none;backdrop-filter:none}}@media (max-width:560px){.container{width:min(100% - 1.25rem,var(--max))}.feature-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.page-hero{padding-top:1.25rem}.page-hero h1{font-size:clamp(1.55rem,7vw,2.1rem)}.preview-wrap{height:min(40vh,340px);min-height:200px}.preview-area{padding:0.5rem}.editor-card{min-height:220px}.editor-body{min-height:180px}.editor-body pre,.editor-body textarea{font-size:12.5px;padding:0.75rem}.helper-note{font-size:0.88rem}.footer-links a{min-height:40px}.brand-text{font-size:0.98rem}}@media (max-width:380px){.device-btn span,.btn-sm span{font-size:0.8rem}.nav-cta{font-size:0.9rem}}@media (prefers-reduced-motion:no-preference){.btn,.device-btn,.nav-links a,.footer-links .link-ico{transition:transform 0.18s var(--ease),filter 0.18s var(--ease),background 0.18s var(--ease),color 0.18s var(--ease),box-shadow 0.18s var(--ease)}}