/* Reference-led overhaul: DESIGN_VARIANCE 4, MOTION_INTENSITY 4, VISUAL_DENSITY 3.
   Native CSS; Syne typography. The requested reference sets the dark theme,
   centered hero, grid decoration, and recurring column layouts.
   Layer order: artwork 0, content 1, sticky navigation 2, header 10, skip link 20.
   Buttons use full pills; product panels 20px; nested controls 12px. */
@font-face{font-family:Syne;src:url('fonts/syne-400.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Syne;src:url('fonts/syne-500.ttf') format('truetype');font-weight:500;font-display:swap}
@font-face{font-family:Syne;src:url('fonts/syne-600.ttf') format('truetype');font-weight:600;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url('fonts/plexmono-400.woff2') format('woff2');font-weight:400;font-display:swap}
:root{color-scheme:dark;--bg:#090909;--surface:#111;--raised:#191919;--text:#f5f5f5;--muted:#a1a1a1;--dim:#808080;--line:#252525;--soft-line:#1d1d1d;--accent:#337af0;--sans:Syne,Arial,sans-serif;--mono:'IBM Plex Mono',monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button{border:0}img{display:block;max-width:100%}figure,dl,dd{margin:0}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{font-weight:500}ul{list-style:none;padding:0;margin:0}a,button,summary{touch-action:manipulation}::selection{background:#b8cbeb;color:#111}:focus-visible{outline:2px solid #c2d5ff;outline-offset:5px}.skip{position:fixed;top:10px;left:45px;z-index:20;transform:translateY(-160%);background:#fafafa;color:#111;padding:12px 20px;border-radius:30px}.skip:focus{transform:none}.page-frame{margin:0 30px;border-inline:1px solid var(--line);position:relative}.page-frame:before,.page-frame:after{content:'';position:absolute;top:0;bottom:0;width:1px;background:#1c1c1c;pointer-events:none}.page-frame:before{left:-9px}.page-frame:after{right:-9px}.container{width:min(100% - 48px,1232px);margin-inline:auto}.section{padding:80px 0;border-bottom:1px solid var(--soft-line);margin-top:50px}.section-title{font-size:36px;line-height:1.13;letter-spacing:-.9px;font-weight:500;color:var(--muted);max-width:970px;text-wrap:balance}.section-title>span{color:var(--text)}.section-note{font-size:12px;line-height:1.65;color:var(--dim);margin-top:28px;max-width:900px}.section-note a{text-decoration:underline;text-underline-offset:3px}.eyebrow{font-size:14px;color:var(--muted);margin-bottom:24px}.ui-icon{filter:grayscale(1) brightness(0) invert(.8)}
/* Navigation and actions */
.site-header{height:60px;position:fixed;z-index:10;top:0;left:30px;right:30px;padding:0 24px;display:flex;gap:24px;align-items:center;justify-content:space-between;border:1px solid #ffffff18;background:#10101050;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.brand{display:inline-flex;align-items:center;gap:10px;font-size:24px;letter-spacing:-.7px;font-weight:600;white-space:nowrap}.brand img{flex:none;border-radius:8px}.main-nav{display:flex;gap:28px;align-items:center;margin-left:auto;margin-right:auto}.main-nav a{font-size:13px;color:var(--muted);white-space:nowrap;transition:color .2s}.main-nav a:hover{color:var(--text)}.nav-actions{display:flex;gap:12px;flex-shrink:0}.button{display:inline-flex;justify-content:center;align-items:center;gap:12px;padding:10px 18px;min-height:40px;white-space:nowrap;border-radius:999px;font-size:14px;line-height:20px;font-weight:400;transition:transform .2s,background .2s,border-color .2s;position:relative}.button:hover{transform:translateY(-2px)}.button:active{transform:translateY(0) scale(.98)}.button span{font-size:22px;line-height:16px;margin-top:-2px}.button-outline{background:#070707;border:1px solid #5d5d5d;box-shadow:inset 0 0 0 2px #171717,0 0 0 1px #ffffff08;color:#eee}.button-outline:hover{border-color:#a1a1a1;background:#151515}.button-white{background:#f5f5f5;color:#111;border:1px solid #d8d8d8;box-shadow:inset 0 0 0 2px #e9e9e9}.button-white:hover{background:#ddd}.button-small{font-size:12px;min-height:35px;padding:6px 17px}.button-muted{background:#222;border:1px solid #303030;color:#eee}.button-muted:hover{background:#303030}.actions{display:flex;justify-content:center;align-items:center;gap:16px}.menu-toggle{display:none}.text-link{display:inline-flex;align-items:center;gap:12px;font-size:13px;background:none;padding:0;color:#d8d8d8;line-height:1.5}.text-link:hover{color:#fff}.text-link span{transition:transform .2s}.text-link:hover span{transform:translate(2px,-2px)}
/* Compact hero with product screenshot directly below the copy. */
/* Pearl command button: glossy dark pill with a shine beam orbiting the border. */
.hero-actions{flex-wrap:wrap}
@property --beam-angle{syntax:'<angle>';inherits:false;initial-value:0deg}
.button-command{border:0;gap:9px;background:#0a0a0a;box-shadow:inset 0 1px 0 rgba(255,255,255,.28),inset 0 -1px 0 rgba(255,255,255,.16),0 10px 24px rgba(0,0,0,.45),0 3px 8px rgba(0,0,0,.5);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.button-command::after{content:'';position:absolute;inset:-1px;border-radius:inherit;padding:1.5px;background:conic-gradient(from var(--beam-angle),transparent 0turn,transparent .7turn,rgba(255,255,255,.95) .85turn,rgba(170,195,255,.4) .93turn,transparent 1turn);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;animation:pearl-beam 3.4s linear infinite;pointer-events:none}
@keyframes pearl-beam{to{--beam-angle:360deg}}
.button-command:hover{background:#111;box-shadow:inset 0 1px 0 rgba(255,255,255,.42),inset 0 -1px 0 rgba(255,255,255,.24),0 10px 24px rgba(0,0,0,.45),0 3px 8px rgba(0,0,0,.5)}
.button-command:active{transform:translateY(3px);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(255,255,255,.12),0 6px 16px rgba(0,0,0,.45)}
@media(prefers-reduced-motion:reduce){.button-command::after{animation:none;background:conic-gradient(from 140deg,transparent 0turn,transparent .78turn,rgba(255,255,255,.6) .88turn,transparent 1turn)}}
.pearl-spark{display:inline-flex;align-items:center;justify-content:center;width:15px;height:16px;margin-top:1px;font-family:Arial,sans-serif;font-size:14px;line-height:1;color:rgba(255,255,255,.8)}
.pearl-spark span{display:inline-block;transform:translateY(1px)}
.pearl-spark span:nth-child(2){display:none}
.button-command:hover .pearl-spark span:nth-child(1){display:none}
.button-command:hover .pearl-spark span:nth-child(2){display:inline-block}
.button-command code{font-family:var(--mono);font-size:.9em}
.command-action{position:relative;display:inline-flex}
.button-command code{user-select:text}
.button-command svg{flex:none}
.copy-done,.button-command[data-copy-state=success] .copy-icon{display:none}
.button-command[data-copy-state=success] .copy-done{display:block}
.copy-feedback{position:absolute;bottom:calc(100% + 9px);left:50%;transform:translateX(-50%);width:max-content;max-width:260px;padding:6px 10px;border:1px solid #444;border-radius:8px;background:#202020;color:#eee;font-size:12px;line-height:17px;text-align:center;pointer-events:none}
.copy-feedback:empty{padding:0;border:0}
.arc-track{position:absolute;top:0;left:50%;width:700px;height:700px;margin-left:-350px;transform-origin:50% 50%}
.arc-label.is-paused .arc-track{animation-play-state:paused}
@media(prefers-reduced-motion:no-preference){.arc-track{animation:arc-rotate 18s linear infinite}@keyframes arc-rotate{to{transform:rotate(-60deg)}}}
.hero{min-height:0;padding-bottom:56px;position:relative;overflow:hidden;isolation:isolate;background:#070707;border-bottom:1px solid var(--line)}
/* Separate wash, bloom, and halos recreate the reference's luminous black background. */
.hero-light{position:absolute;inset:0;pointer-events:none}
.hero-wash{position:absolute;inset:0 0 auto;height:420px;background:linear-gradient(#262626 0%,#131313 45%,#070707 100%);opacity:.5;mask-image:radial-gradient(ellipse 130% 100% at 50% 0%,#000 0%,#000 45%,#000b 64%,transparent 82%);-webkit-mask-image:radial-gradient(ellipse 130% 100% at 50% 0%,#000 0%,#000 45%,#000b 64%,transparent 82%)}
.hero-bloom{position:absolute;top:-70px;left:50%;width:160%;height:340px;transform:translateX(-50%);background:radial-gradient(ellipse 85% 90% at 50% 0%,#ffffff2b 0%,#a3a3a31c 48%,transparent 76%);filter:blur(70px);opacity:.6}
.hero-halo{position:absolute;top:110px;left:50%;width:700px;height:330px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(ellipse,#ffffff12,transparent 70%);filter:blur(40px)}
.hero-horizon{position:absolute;top:210px;left:50%;width:170%;height:320px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(ellipse,#a3a3a30e,transparent 65%);filter:blur(60px)}
.hero-particles{position:absolute;inset:0 0 auto;width:100%;height:420px;pointer-events:none}
.hero-content{position:relative;z-index:1;text-align:center;padding:112px 24px 0;margin:auto;max-width:1040px}.hero h1{font-size:54px;line-height:1;letter-spacing:-1.5px;font-weight:400;margin-bottom:18px;text-wrap:balance}.hero-content>p{font-size:15px;line-height:21px;color:#b0b0b0;max-width:700px;margin:0 auto 24px}.mobile-break{display:none}.arc-label{height:54px;width:360px;position:relative;margin:0 auto;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 22%,#000 78%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 22%,#000 78%,transparent)}.arc-label span{position:absolute;left:50%;top:0;font-size:14px;letter-spacing:1px;transform-origin:center 350px;color:#d5d5d5;white-space:pre}.hero-floor{position:absolute;inset:29% 0 0;overflow:hidden;perspective:700px;pointer-events:none;mask-image:linear-gradient(transparent,#000 25%,#000);-webkit-mask-image:linear-gradient(transparent,#000 25%,#000)}.hero-floor>div{position:absolute;inset:-12% -20% -48%;transform:rotateX(40deg);transform-origin:50% 0;background-image:linear-gradient(#ffffff18 1px,transparent 1px),linear-gradient(90deg,#ffffff18 1px,transparent 1px);background-size:64px 54px;border-bottom:1px solid #333}
/* Product introduction */
.product-section{padding-top:80px}.product-intro{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding-bottom:70px}.product-copy h2{font-size:36px;line-height:40px;font-weight:600;letter-spacing:-.6px}.product-copy>p:not(.product-status){color:var(--muted);font-size:15px;line-height:24px;max-width:540px;margin:20px 0 24px}.product-copy .product-status{font-size:11px;color:var(--dim);margin-top:16px}.service-illustration{min-height:350px;position:relative;display:grid;place-items:center;overflow:hidden}.service-cloud{position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr;align-content:space-evenly;gap:40px;transform:rotate(-8deg);font-size:12px;color:#777;opacity:.42;mask-image:radial-gradient(ellipse,#000,transparent 75%)}.service-cloud span:nth-child(even){transform:translateY(40px)}.service-stack{position:relative;transform:rotate(-6deg);width:290px}.service-stack>div{display:flex;align-items:center;gap:12px;height:58px;border:1px solid #333;background:linear-gradient(115deg,#202020,#101010);border-radius:12px;padding:0 17px;margin-bottom:9px;font-size:13px;box-shadow:0 12px 35px #0008}.service-stack>div:nth-child(2){margin-left:14px;margin-right:-14px}.service-stack>div:nth-child(3){margin-left:28px;margin-right:-28px}.service-stack>div.stack-brand{margin-left:42px;margin-right:-42px;border-color:#515151;background:#222}.service-stack img{object-fit:contain}.service-stack>div>span{margin-left:auto;color:#888;font-size:18px}.principles{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--soft-line)}.principles article{position:relative;overflow:hidden;padding:32px 24px;background:radial-gradient(ellipse at top left,#ffffff05,transparent 65%)}.principles article+article{border-left:1px solid var(--soft-line)}.principles .ui-icon{margin-bottom:20px}.principle-number{position:absolute;right:24px;top:31px;font-size:12px;color:#8b8b8b}.principles h3{font-size:18px;margin-bottom:7px}.principles p{font-size:13px;line-height:22px;color:var(--muted);max-width:270px}
/* Sticky workflow chapters */
.workflow-layout{display:grid;grid-template-columns:200px 1fr;gap:48px;margin-top:112px}.workflow-nav{position:sticky;top:106px;height:fit-content;display:flex;flex-direction:column;gap:4px;font-size:14px}.workflow-nav>span{color:var(--dim);margin-bottom:18px}.workflow-nav>a{color:var(--muted);padding:8px 0;transition:color .2s,transform .2s}.workflow-nav>a:hover,.workflow-nav>a[aria-current]{color:#f5f5f5;transform:translateX(3px)}.workflow-chapters{min-width:0}.workflow-chapter{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:36px;min-height:540px;scroll-margin-top:105px}.workflow-chapter+.workflow-chapter{margin-top:100px}.chapter-copy{display:flex;flex-direction:column;padding:0 0 16px}.chapter-copy h3{font-size:14px;color:var(--muted);margin-bottom:22px}.chapter-copy>p{font-size:20px;line-height:28px;color:var(--muted);max-width:350px}.chapter-copy strong{color:var(--text);font-weight:500}.check-list{display:grid;gap:11px;font-size:13px;color:var(--muted)}.check-list li{position:relative;padding-left:25px}.check-list li:before{content:'';position:absolute;left:0;top:3px;width:14px;height:14px;background:url('icons/ui/check.svg') center/contain no-repeat;filter:grayscale(1) brightness(0) invert(.8)}.chapter-copy .check-list{margin-top:auto;padding-top:45px}.chapter-copy .text-link{margin-top:24px}.screen-panel{position:relative;min-width:0;height:540px;overflow:hidden;border:1px solid #252525;border-radius:20px;background:radial-gradient(ellipse at 55% 0,#282828,#111 70%);padding:45px 0 0 32px}.screen-panel>img{width:calc(100% + 25px);max-width:none;height:auto;border-radius:12px;transform:perspective(1000px) rotateY(-5deg) rotateX(2deg);transform-origin:left top;box-shadow:0 20px 40px #0008}.screen-panel:after{content:'';position:absolute;inset:65% 0 0;background:linear-gradient(transparent,#111 88%);pointer-events:none}.screen-panel figcaption{position:absolute;bottom:20px;left:24px;z-index:1;color:#b2b2b2;font-size:11px}.workflow-section>.container>.section-note{margin-left:248px;margin-top:48px}
/* Interactive screenshot viewer */
.workspace-preview{margin-top:48px;padding:12px 12px 0;background:#2a2a2a;border:1px solid #3b3b3b;border-radius:20px;overflow:hidden}.preview-tabs{display:flex;gap:8px;padding:4px 8px 16px;overflow-x:auto}.preview-tabs button{background:transparent;border-radius:999px;padding:8px 16px;font-size:13px;white-space:nowrap;color:#b5b5b5}.preview-tabs button[aria-selected=true]{background:#444;color:white}.preview-tabs button:hover{color:white}#preview-panel{aspect-ratio:1360/608;overflow:hidden;border-radius:12px 12px 0 0;background:#e6e9e9}#preview-picture,#preview-image{display:block;width:100%;height:100%}#preview-image{object-fit:cover;object-position:top}.workspace-benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:28px}.workspace-benefits p{font-size:14px;line-height:23px;color:var(--muted)}.workspace-benefits strong{font-weight:500;color:var(--text)}
/* Readable diagnosis accompanies the three product screenshots. */
.preview-tabs{gap:4px}
.preview-tabs button{padding-inline:12px}
.preview-tabs button:focus-visible{outline-offset:-2px}
#preview-picture[hidden],#preview-explanation[hidden]{display:none}
#preview-panel[data-preview=explain]{aspect-ratio:auto;background:#f2f4f4;color:#182024;color-scheme:light}
#preview-explanation{padding:28px;font-family:Arial,sans-serif}
.explanation-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;color:#667075;font-family:var(--mono);font-size:10px;letter-spacing:.04em}
.explanation-badge{flex:none;padding:4px 7px;border:1px solid #d9dfe0;border-radius:5px;background:#fff;letter-spacing:0}
#preview-explanation h3{font-size:25px;line-height:1.25;letter-spacing:-.6px;font-weight:600;margin:16px 0 24px}
.explanation-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:32px}
#preview-explanation h4{font-size:12px;line-height:18px;font-weight:600;margin-bottom:18px}
.explanation-trace{list-style:none;padding:0;margin:0;display:grid;gap:18px}
.explanation-trace li{display:flex;gap:12px;position:relative}
.explanation-trace li:not(:last-child):before{content:'';position:absolute;left:12px;top:27px;bottom:-15px;width:1px;background:#d5dddd}
.explanation-trace li>span{display:grid;place-items:center;flex:none;width:25px;height:25px;border:1px solid #d5dddd;border-radius:50%;background:#fafbfb;color:#627075;font:9px var(--mono)}
.explanation-trace strong{display:block;font-size:13px;line-height:20px;font-weight:600}
.explanation-trace p{font-size:12px;line-height:19px;color:#647075;margin-top:3px}
.explanation-fix{padding:20px;border:1px solid #dce1e2;border-radius:10px;background:#fff}
.explanation-fix>p{font-size:13px;line-height:21px;color:#586468}
.explanation-fix strong{color:#243136;font-weight:600}
.explanation-expected{padding:13px 0;margin:16px 0;border-block:1px solid #e4e8e8}
.explanation-expected span{display:block;font-size:11px;color:#63716b;margin-bottom:5px}
.explanation-expected strong{font-size:17px;letter-spacing:-.2px;color:#305b49}
.explanation-fix>.explanation-rerun{font-size:12px;line-height:19px}
.explanation-link{display:inline-flex;align-items:center;gap:12px;margin-top:24px;font-size:12px;line-height:20px;font-weight:600;text-decoration:underline;text-underline-offset:4px}
.explanation-link:hover{color:#52615b}
.explanation-link:focus-visible{outline-color:#305b49}
/* Failures and fidelity */
.failure-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:48px}.visual-card{border:1px solid #303030;border-radius:20px;overflow:hidden;box-shadow:inset 0 0 0 1px #ffffff05;background:#0b0b0b;min-width:0}.grid-pattern{background-image:linear-gradient(#ffffff0c 1px,transparent 1px),linear-gradient(90deg,#ffffff0c 1px,transparent 1px);background-size:24px 24px}.card-visual{height:335px;display:flex;align-items:center;justify-content:center;position:relative;padding:20px}.card-visual:after{content:'';position:absolute;inset:65% 0 0;background:linear-gradient(transparent,#0b0b0b);pointer-events:none}.visual-card-copy{padding:24px 18px 26px}.visual-card-copy p{font-size:15px;line-height:23px;color:var(--muted);min-height:70px}.visual-card-copy strong{font-weight:500;color:#eaeaea}.visual-card-copy .text-link{margin-top:18px;font-size:12px}.trace-preview,.fidelity-panel{width:100%;max-width:295px;background:#181818;border:1px solid #333;border-radius:16px;padding:20px;box-shadow:0 14px 30px #0006;font-size:12px}.mini-label{display:block;color:var(--muted);font-size:10px;margin-bottom:20px}.trace-preview>div{display:flex;gap:10px;position:relative;align-items:center;margin-top:18px}.trace-preview p{flex:1;font-size:12px;color:#e1e1e1}.trace-preview small{display:block;color:#969696;font-size:10px;margin-top:3px}.trace-point{width:7px;height:7px;border:1px solid #999;border-radius:50%;flex:none}.trace-tag{font-family:var(--mono);font-size:9px;color:#bbb}.trace-preview.is-failed #trace-fault{color:#dbb6a9}.trace-preview.is-failed #trace-tag{color:#e0b7a4}.event-stack{width:95%;max-width:300px;transform:rotate(-5deg)}.event-stack>div{position:relative;display:flex;align-items:center;gap:10px;background:#1c1c1c;border:1px solid #444;border-radius:14px;padding:16px 12px;box-shadow:0 8px 15px #0005}.event-stack>div:nth-child(2){margin:-5px -8px 0 8px}.event-stack>div:nth-child(3){margin:-5px -16px 0 16px}.event-stack p{font-size:12px}.event-stack small{display:block;font-size:10px;color:#9a9a9a;margin-top:5px}.fidelity-panel>div{display:flex;align-items:center;gap:10px;padding-bottom:17px;border-bottom:1px solid #333}.fidelity-panel p{display:flex;align-items:center;justify-content:space-between;font-size:12px;margin-top:18px;color:#d3d3d3}.fidelity-panel small{display:block;margin-top:20px;padding-top:14px;border-top:1px solid #333;font-size:10px;color:#999}
/* Coverage */
.coverage-section{margin-top:50px;padding:100px 0 38px;border-block:1px solid var(--line);background-size:64px 64px;position:relative}.coverage-heading{display:flex;align-items:end;justify-content:space-between;gap:35px}.coverage-heading .section-title{font-size:35px;max-width:720px}.coverage-heading .button{flex:none}.logo-marquee{overflow:hidden;margin:58px 0 40px;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}.logo-track{display:flex;width:max-content}.logo-set{display:flex;align-items:center;gap:64px;padding:18px 32px;flex-shrink:0}.logo-set img{object-fit:contain;padding:5px;background:#d9d9d9;border-radius:9px;width:48px;height:48px;filter:none;opacity:1}.coverage-section .section-note{color:#a1a1a1;font-size:11px}
/* Existing illustrative world data */
.world-tabs{display:flex;gap:8px;margin-top:42px;padding:6px 0 18px;overflow-x:auto;scrollbar-width:thin;scrollbar-color:#3a3a3a transparent}.world-tabs button{display:flex;align-items:center;gap:9px;flex:none;padding:10px 14px;background:#141414;border:1px solid #292929;border-radius:999px;font-size:13px;color:#aaa}.world-tabs button img{width:21px;height:21px;object-fit:contain;border-radius:5px;background:#eee}.world-tabs button:hover{border-color:#777;color:#fff}.world-tabs button[aria-selected=true]{background:#252525;border-color:#7c7c7c;color:#fff}.world-panel{display:grid;grid-template-columns:1fr 1fr;gap:60px;background:#101010;border:1px solid #2c2c2c;border-radius:20px;margin-top:12px;padding:38px;min-height:340px}.world-heading{display:flex;align-items:center;gap:12px}.world-heading>img{border-radius:10px;object-fit:contain;background:#eee}.world-heading h3{font-size:22px}.world-heading div>span{font-size:12px;color:var(--muted)}.outline-label{font-size:10px;border:1px solid #3c3c3c;border-radius:20px;padding:4px 9px;color:#aaa;margin-left:auto}.world-copy>p{font-size:15px;line-height:25px;color:var(--muted);margin:28px 0}.world-detail h4{font-size:12px;font-weight:400;color:#ababab;margin-bottom:16px}.world-detail h4:not(:first-child){margin-top:28px}#world-tools{display:flex;flex-wrap:wrap;gap:12px}#world-tools li{display:flex;align-items:center;gap:7px;font-size:11px;color:#c2c2c2}#world-tools img{width:21px;height:21px;background:#ddd;border-radius:5px;padding:2px;object-fit:contain}.world-runs{display:grid;gap:10px;font-size:12px;color:#ddd}.world-runs li{padding-left:16px;position:relative}.world-runs li:before{content:'↗';position:absolute;left:0;color:#888}
/* Use cases and pricing */
.usecases-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:48px}.usecases-grid article{padding:0 32px;border-left:1px solid #292929}.usecases-grid article:first-child{padding-left:0;border-left:0}.usecases-grid article:last-child{padding-right:0}.usecases-grid .ui-icon{margin-bottom:25px}.usecases-grid h3{font-size:22px;margin-bottom:18px}.usecases-grid p{font-size:15px;line-height:24px;color:var(--muted)}.usecases-grid article>span{display:block;font-size:12px;color:#d3d3d3;margin-top:28px}.pricing-heading{display:flex;align-items:center;justify-content:space-between;gap:30px}.pricing-heading>p{font-size:13px;color:var(--muted)}.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:65px;align-items:stretch}.price-card{padding:32px 26px;border:1px solid #292929;border-radius:20px;position:relative;background:#0c0c0c}.price-card.featured{background:#141414;border-color:#666;box-shadow:0 0 0 5px #1b1b1b}.price-card h3{font-size:18px}.price-card>p{font-size:13px;color:var(--muted);margin-top:5px;min-height:39px}.price{font-size:42px;letter-spacing:-1.5px;line-height:1.2;min-height:95px;margin-top:32px}.price>span{display:block;font-size:11px;color:var(--muted);letter-spacing:0;margin-top:8px}.price-text{font-size:36px}.price-card .button{width:100%;margin:20px 0 30px}.price-card .check-list{gap:15px}.plan-label{position:absolute;top:-13px;left:24px;font-size:10px;padding:4px 10px;border:1px solid #686868;border-radius:20px;background:#252525;color:#ddd}
/* FAQ, closing arc and footer */
.faq-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:72px}.faq-layout .section-title{max-width:440px}.faq-items{border-top:1px solid #292929}.faq-items details{border-bottom:1px solid #292929}.faq-items summary{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;list-style:none;cursor:pointer;font-size:15px}.faq-items summary::-webkit-details-marker{display:none}.faq-items summary>span{font-family:Arial,sans-serif;color:#999;font-size:22px;flex:none;transition:transform .2s}.faq-items details[open] summary>span{transform:rotate(45deg)}.faq-items p{font-size:14px;line-height:23px;color:var(--muted);padding:0 20px 24px 0}.closing-section{padding:96px 24px 110px;text-align:center;overflow:hidden;border-bottom:1px solid var(--line)}.logo-arc{display:flex;align-items:center;justify-content:center;gap:14px;height:145px;min-width:700px;position:relative;left:50%;transform:translateX(-50%);margin-bottom:15px;mask-image:linear-gradient(90deg,transparent,#000 25%,#000 75%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 25%,#000 75%,transparent)}.logo-arc>span{display:grid;place-items:center;width:64px;height:64px;border:1px solid #3a3a3a;border-radius:16px;background:linear-gradient(135deg,#292929,#111);box-shadow:0 5px 20px #0005;flex:none}.logo-arc img{object-fit:contain;filter:grayscale(1) brightness(0) invert(.8);opacity:.8}.logo-arc>span:nth-child(5) img{filter:none;opacity:1}.logo-arc>span:nth-child(1){transform:translateY(47px) rotate(-25deg)}.logo-arc>span:nth-child(2){transform:translateY(12px) rotate(-18deg)}.logo-arc>span:nth-child(3){transform:translateY(-14px) rotate(-12deg)}.logo-arc>span:nth-child(4){transform:translateY(-30px) rotate(-6deg)}.logo-arc>span:nth-child(5){transform:translateY(-36px)}.logo-arc>span:nth-child(6){transform:translateY(-30px) rotate(6deg)}.logo-arc>span:nth-child(7){transform:translateY(-14px) rotate(12deg)}.logo-arc>span:nth-child(8){transform:translateY(12px) rotate(18deg)}.logo-arc>span:nth-child(9){transform:translateY(47px) rotate(25deg)}.closing-section h2{font-size:36px;line-height:40px;font-weight:600;letter-spacing:-.9px;margin-bottom:32px}.footer-main{display:grid;grid-template-columns:1.55fr repeat(3,1fr);gap:55px;padding:72px 0}.footer-brand p{font-size:14px;line-height:23px;color:var(--muted);margin-top:20px}.footer-main nav{display:flex;flex-direction:column;gap:13px}.footer-main nav h2{font-size:14px;margin-bottom:8px}.footer-main nav a{font-size:13px;color:var(--muted)}.footer-main nav a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #252525;padding:26px 0;color:#909090;font-size:11px}
/* Reveals communicate the sequence; animation never hides content without JS. */
@media(prefers-reduced-motion:no-preference){.hero-content{animation:hero-enter .8s cubic-bezier(.2,.7,.2,1) both}.reveal.is-pending{opacity:0;transform:translateY(20px)}.reveal{transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.2,1)}.logo-track.is-ready{animation:service-drift 35s linear infinite}.logo-marquee:hover .logo-track,.logo-marquee:focus-within .logo-track{animation-play-state:paused}@keyframes hero-enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes service-drift{to{transform:translateX(-50%)}}}
@media(min-width:1600px){.hero h1{font-size:58px}.hero-content{padding-top:132px;max-width:1150px}.site-header{padding-inline:38px}.main-nav{gap:35px}}
@media(max-width:1250px){.site-header{gap:16px}.main-nav{gap:17px}.main-nav a{font-size:12px}.nav-actions .button-white{display:none}.workflow-layout{grid-template-columns:155px 1fr;gap:32px}.workflow-chapter{gap:24px}.workflow-section>.container>.section-note{margin-left:187px}.screen-panel{height:480px}.workflow-chapter{min-height:480px}.brand{font-size:22px}}
@media(max-width:1023px){.main-nav{display:none;position:absolute;top:59px;left:-1px;right:-1px;padding:26px;background:#101010;border:1px solid #333;margin:0;max-height:calc(100dvh - 80px);overflow-y:auto}.main-nav.is-open{display:grid;gap:0}.main-nav a{font-size:17px;padding:14px 6px}.nav-actions{margin-left:auto}.menu-toggle{display:flex;flex-direction:column;gap:6px;background:transparent;width:35px;height:35px;justify-content:center;align-items:center;padding:6px}.menu-toggle span{display:block;width:20px;height:1px;background:#eee;transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.hero h1{font-size:50px}.hero-content{padding-top:105px;max-width:850px}.hero-content>p{max-width:630px}.principles{grid-template-columns:repeat(2,1fr)}.principles article:nth-child(3){border-left:0;border-top:1px solid var(--soft-line)}.principles article:nth-child(4){border-top:1px solid var(--soft-line)}.workflow-nav{display:none}.workflow-layout{grid-template-columns:1fr;margin-top:64px}.workflow-chapter{grid-template-columns:.8fr 1.2fr;min-height:520px}.screen-panel{height:520px}.workflow-section>.container>.section-note{margin-left:0}.coverage-heading{display:block}.coverage-heading>.button{margin-top:28px}.failure-grid{gap:12px}.card-visual{padding:12px;height:300px}.trace-preview,.fidelity-panel{padding:13px}.event-stack>div{padding:14px 8px}.visual-card-copy{padding:20px 14px}.visual-card-copy p{min-height:115px}.world-panel{gap:30px;padding:28px}.world-heading{flex-wrap:wrap}.outline-label{margin-left:0}.faq-layout{gap:40px}.footer-main{gap:30px;grid-template-columns:1.3fr 1fr 1fr}.footer-main nav:last-child{grid-column:2}.footer-bottom{flex-wrap:wrap}}
@media(max-width:767px){.container{width:calc(100% - 48px)}.section{padding:64px 0;margin-top:35px}.section-title{font-size:32px;line-height:1.15}.nav-actions{display:none}.site-header{height:60px}.brand{font-size:23px}.hero{padding-bottom:36px}.hero-content{padding:100px 22px 0;max-width:630px}.hero h1{font-size:43px;line-height:1.02;letter-spacing:-1.4px}.hero-content>p{font-size:14px;line-height:20px;max-width:440px}.arc-label{width:310px;height:54px}.hero-floor{inset:29% 0 0}.hero-floor>div{background-size:75px 60px}.product-intro{grid-template-columns:1fr;gap:30px}.product-section{padding-top:45px}.product-copy h2{font-size:34px;line-height:39px}.product-copy>p:not(.product-status){max-width:520px}.service-illustration{min-height:290px}.principles article{padding:26px 22px}.principles h3{font-size:17px}.principles p{font-size:13px}.workflow-chapter{grid-template-columns:1fr;gap:28px}.workflow-chapter+.workflow-chapter{margin-top:65px}.chapter-copy>p{max-width:500px}.chapter-copy .check-list{padding-top:0;margin-top:24px;gap:8px}.chapter-copy .text-link{margin-top:18px}.screen-panel{height:480px;padding:32px 0 0 30px}.workflow-layout{margin-top:45px}.workspace-benefits{grid-template-columns:repeat(2,1fr);gap:24px}.failure-grid{grid-template-columns:1fr;gap:22px}.card-visual{height:310px;padding:25px}.trace-preview,.fidelity-panel{padding:20px;max-width:310px}.visual-card-copy{padding:20px 24px 28px}.visual-card-copy p{min-height:0}.coverage-section{padding-top:65px}.coverage-heading .section-title{font-size:32px}.logo-set{gap:40px;padding-inline:20px}.world-panel{grid-template-columns:1fr;gap:35px}.world-heading{flex-wrap:nowrap}.outline-label{margin-left:auto}.world-tabs{margin-top:30px}.usecases-grid{grid-template-columns:1fr;gap:38px}.usecases-grid article,.usecases-grid article:first-child,.usecases-grid article:last-child{padding:0 0 32px;border-left:0;border-bottom:1px solid #292929}.usecases-grid article:last-child{border-bottom:0;padding-bottom:0}.usecases-grid .ui-icon{margin-bottom:20px}.usecases-grid article>span{margin-top:15px}.pricing-heading{display:block}.pricing-heading>p{margin-top:22px}.pricing-grid{grid-template-columns:1fr;gap:30px;margin-top:42px}.price-card{padding:30px}.price{min-height:70px;margin-top:25px}.price-card .button{margin-bottom:25px}.faq-layout{grid-template-columns:1fr;gap:38px}.faq-layout .section-title{max-width:500px}.faq-items summary{font-size:14px}.closing-section{padding:65px 24px 80px}.closing-section h2{font-size:32px;line-height:37px}.logo-arc{gap:10px;margin-bottom:5px;transform:translateX(-50%) scale(.82)}.footer-main{grid-template-columns:1fr 1fr;gap:38px;padding:55px 0}.footer-brand{grid-column:1/-1}.footer-main nav:last-child{grid-column:auto}.footer-bottom{font-size:10px;gap:15px}.footer-bottom>span:nth-child(2){order:3;width:100%}}
@media(max-width:480px){.page-frame{margin-inline:14px}.page-frame:before{left:-6px}.page-frame:after{right:-6px}.site-header{left:14px;right:14px;padding-inline:18px}.container{width:calc(100% - 36px)}.brand{font-size:21px}.brand img{width:26px;height:26px}.hero-content{padding:92px 17px 0}.hero h1{font-size:36px;letter-spacing:-1.1px;line-height:1.08;margin-bottom:18px}.hero h1 br{display:none}.hero-content>p{font-size:13px;line-height:20px;max-width:325px;margin-bottom:22px}.mobile-break{display:none}.arc-label{width:min(285px,100%);height:48px}.arc-label span{font-size:12px}.hero-particles{height:300px}.hero-floor{inset:34% 0 0}.hero-floor>div{background-size:58px 58px;inset:-12% -55% -45%}.actions{gap:12px}.button{font-size:12px;padding:9px 16px;gap:8px}.product-copy h2{font-size:29px;line-height:34px}.service-stack{width:235px;margin-right:20px}.service-stack>div{font-size:11px;padding:0 12px;height:54px;gap:10px}.principles article{padding:25px 16px}.principle-number{right:16px;top:25px}.principles h3{font-size:16px;line-height:22px}.principles p{font-size:12px;line-height:20px}.section-title{font-size:29px;letter-spacing:-.6px}.section-title br{display:none}.section-title>span:after{content:' '}.chapter-copy>p{font-size:19px;line-height:27px}.screen-panel{height:405px;padding:27px 0 0 22px}.workspace-preview{padding:7px 7px 0;margin-top:35px;border-radius:16px}.preview-tabs{gap:3px;padding:5px 1px 12px}.preview-tabs button{font-size:11px;padding:7px 10px}#preview-panel{aspect-ratio:370/504}.workspace-benefits{gap:18px}.workspace-benefits p{font-size:12px;line-height:20px}.world-panel{padding:22px}.world-heading{gap:10px}.world-heading h3{font-size:20px}.world-heading div>span{font-size:11px}.world-heading>img{width:36px;height:36px}.outline-label{font-size:9px;padding:3px 6px}.world-copy>p{font-size:14px}.coverage-heading .section-title{font-size:29px}.faq-items summary{gap:15px}.closing-section{padding-inline:16px}.closing-section h2{font-size:28px;line-height:33px}.logo-arc{transform:translateX(-50%) scale(.65);height:115px;margin-bottom:0}.footer-main{gap:30px}.section-note{font-size:11px}.footer-main nav a{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.reveal.is-pending{opacity:1;transform:none}}
@media(prefers-reduced-transparency:reduce){.site-header{background:#0d0d0d;backdrop-filter:none;-webkit-backdrop-filter:none}}

@media(min-width:481px) and (max-width:600px){#preview-panel{aspect-ratio:370/504}}

@media(max-width:767px){#preview-explanation{padding:22px}.explanation-grid{gap:22px}#preview-explanation h3{font-size:23px}.explanation-fix{padding:16px}}
@media(max-width:600px){.preview-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}.preview-tabs button{white-space:normal;min-height:36px;padding:8px 6px}#preview-explanation{padding:20px 16px}.explanation-heading{gap:8px;font-size:9px}#preview-explanation h3{font-size:22px;margin:16px 0 24px}.explanation-grid{grid-template-columns:1fr;gap:24px}.explanation-link{font-size:11px}}

@media(min-width:768px) and (max-width:900px){.pricing-grid{grid-template-columns:1fr;gap:30px}.pricing-heading{display:block}.pricing-heading>p{margin-top:22px}.price-card{padding:30px}.price-card>p{min-height:0}.price-card .button{width:auto;min-width:220px}.failure-grid{grid-template-columns:1fr}.card-visual{height:310px}.visual-card-copy p{min-height:0}}

.hero-capture{position:relative;z-index:1;display:block;width:min(100% - 96px,1080px);margin:36px auto 0;padding:9px;border:1px solid #414141;border-radius:22px;background:linear-gradient(145deg,#2a2a2a,#151515);box-shadow:0 28px 80px #0008;transition:border-color .2s}
.hero-capture:hover{border-color:#7b7b7b}
.hero-capture picture,.hero-capture img{display:block;width:100%;height:auto;border-radius:13px}
@media(min-width:1600px){.hero-capture{width:min(100% - 112px,1180px)}}
@media(max-width:1023px){.hero-capture{width:calc(100% - 48px);margin-top:32px}}
@media(max-width:767px){.hero-capture{width:calc(100% - 16px);margin-top:28px;padding:8px;border-radius:18px;overflow-x:auto;-webkit-overflow-scrolling:touch}.hero-capture img{min-width:720px;border-radius:10px}.hero-particles{height:300px}}
@media(max-width:480px){.hero-capture{width:calc(100% - 12px);margin-top:26px}}

@media(max-width:767px){.hero-wash{height:340px}.hero-bloom{height:280px;filter:blur(48px)}.hero-halo{top:100px;width:110%;height:240px}.hero-horizon{top:210px;height:240px}}