@font-face{font-family:Manrope;src:url('assets/Manrope.ttf') format('truetype');font-weight:200 800;font-display:swap}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#f8faf9;color:#202b29;font-family:Manrope,Arial,sans-serif;font-size:16px;line-height:1.65}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-underline-offset:5px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #317b78;outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.12}h1{font-size:clamp(56px,7.7vw,108px);letter-spacing:-.065em;font-weight:650}h2{font-size:clamp(34px,4.2vw,56px);letter-spacing:-.045em;font-weight:600}h3{font-size:23px;letter-spacing:-.025em;font-weight:600}.header{max-width:1280px;margin:22px auto 0;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid #e3e9e5;border-radius:20px;background:#ffffffd9;backdrop-filter:blur(20px);position:relative;z-index:2}.wordmark{font-weight:800;font-size:43px;letter-spacing:-.065em;text-decoration:none;line-height:1.15;white-space:nowrap}.wordmark span:nth-child(1){color:#286658}.wordmark span:nth-child(2){color:#317b78}.wordmark span:nth-child(3){color:#3d738d}.wordmark span:nth-child(4){color:#586a9b}.wordmark.inline{font-size:15px;letter-spacing:-.05em}nav{display:flex;align-items:center;gap:34px}nav>a{font-size:14px;text-decoration:none}nav>a:hover{text-decoration:underline}.button{border:1px solid #263e38;background:#263e38;color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:15px 25px;border-radius:10px;font-size:15px;font-weight:600;text-decoration:none;box-shadow:0 3px 0 #17342d18;transition:background .15s,transform .15s}.button:hover{background:#36594d}.button:active{transform:scale(.96)}.button.small{padding:10px 18px;font-size:14px}.hero{padding:74px 24px 0;text-align:center;position:relative}.hero:before{content:'';position:absolute;inset:-100px 0 29%;z-index:-1;background:radial-gradient(ellipse at 10% 50%,#e3eee830,transparent 65%),radial-gradient(ellipse at 90% 45%,#e2eaf84d,transparent 60%)}.eyebrow{font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:24px;display:flex;align-items:center;justify-content:center;gap:10px}.line{width:24px;height:1px;background:#748b84}.tidal{color:#317b78}.hero-copy{font-size:18px;line-height:1.75;color:#58625f;margin:25px auto 28px;max-width:660px}.hero-actions{display:flex;gap:28px;align-items:center;justify-content:center}.text-link{font-size:15px;text-decoration:none}.text-link:hover{text-decoration:underline}.quiet{font-size:13px;color:#66716c;margin-top:17px}.demo{max-width:1000px;margin:54px auto 0;padding:8px;background:#fff;border:1px solid #dce3de;border-radius:18px;box-shadow:0 35px 75px -40px #183e4555;text-align:left;scroll-margin-top:35px}.demo-bar{height:40px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#65726e;padding:0 12px 8px}.traffic{display:flex;gap:6px}.traffic i{width:9px;height:9px;border-radius:50%;background:#d5ddd6}.demo-label{font-size:10px;letter-spacing:.12em}.video-wrap{position:relative;aspect-ratio:16/9;background:#182420;border-radius:10px;overflow:hidden}video{display:block;width:100%;height:100%;object-fit:contain}.play-demo{position:absolute;inset:0;border:0;color:white;background:linear-gradient(transparent 40%,#13292270);display:flex;flex-direction:column;gap:16px;align-items:center;justify-content:center;font-size:15px;text-shadow:0 2px 8px #000}.play-demo[hidden]{display:none}.play-triangle{display:grid;place-items:center;width:68px;height:68px;border-radius:50%;background:#ffffffed;box-shadow:0 4px 30px #0003}.play-triangle:after{content:'';border-left:16px solid #284c45;border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px}.demo-caption{padding:12px 12px 6px;display:flex;justify-content:space-between;font-size:11px;color:#62706a;gap:12px}.section-label{font-size:11px;font-weight:600;letter-spacing:.15em;color:#5d746a;margin-bottom:18px}.intro{max-width:1060px;margin:130px auto 58px;padding:0 30px;display:grid;grid-template-columns:1fr 1fr;gap:0 70px}.intro .section-label{grid-column:1/-1}.intro p{color:#616b66;align-self:end;max-width:450px}.steps{max-width:1060px;margin:0 auto 120px;padding:0 30px;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.steps article{padding-top:24px;border-top:1px solid #d9e2dc}.number{font-size:11px;letter-spacing:.1em;color:#72817b}.steps h3{font-size:19px;margin:17px 0 12px}.steps p{font-size:14px;color:#65716b}.worlds{background:#eee5d4 url('assets/pluslight.png') repeat;padding:80px max(24px,calc((100% - 1000px)/2))}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:40px}.section-heading>p{font-size:14px;color:#6c7065}.runtime-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.runtime-card{border-radius:13px;overflow:hidden;background:#fffcf4;border:1px solid #d9d0bc;box-shadow:0 7px 20px -15px #554935}.runtime-card>img{width:100%;height:auto;aspect-ratio:16/9;display:block;object-fit:cover}.runtime-body{padding:27px}.runtime-tag{font-size:10px;letter-spacing:.12em;color:#63746b}.runtime-body h3{margin:10px 0 15px}.runtime-body>p{font-size:16px;color:#48584f}.credits{font-size:12px;color:#737970;margin:22px 0 15px;line-height:1.8}.runtime-body>a{font-size:12px}.models-note{font-size:12px;color:#6c7368;margin-top:23px}.local{max-width:1060px;padding:0 30px;display:grid;grid-template-columns:1fr 1fr;gap:90px;margin:120px auto}.local-items article+article{margin-top:30px}.local-items h3{font-size:19px;margin-bottom:8px}.local-items p{font-size:14px;color:#626f67}.faq{max-width:820px;margin:0 auto 110px;padding:0 30px}details{border-bottom:1px solid #dfe5df;padding:21px 0}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-size:16px;font-weight:500}summary::-webkit-details-marker{display:none}summary span{color:#728477}details[open] summary span{transform:rotate(45deg)}details p{padding:17px 36px 0 0;font-size:14px;color:#66736a}.closing{text-align:center;background:#edf2f0 url('assets/wigglelight.png') repeat;padding:65px 24px}.closing img{margin-bottom:18px}.closing h2{margin-bottom:26px}footer{max-width:1280px;margin:auto;display:flex;align-items:center;gap:30px;padding:35px 28px;font-size:12px;color:#768078}footer .wordmark{font-size:32px}footer a:not(.wordmark){margin-left:auto}.skip{position:absolute;top:-100px}.skip:focus{top:10px;left:10px;z-index:10;background:white;padding:10px}dialog{border:1px solid #dce4de;border-radius:20px;padding:40px;max-width:500px;width:calc(100% - 32px);background:#f8faf9;color:#26382f;box-shadow:0 25px 90px #172e3933}dialog::backdrop{background:#18262280;backdrop-filter:blur(5px)}dialog h2{font-size:36px;margin:18px 0}dialog p{font-size:15px;color:#67746a}dialog .button{margin-top:25px}dialog .section-label{margin-top:20px}.close{position:absolute;right:15px;top:12px;background:none;border:0;font-size:28px;color:#67746a;width:40px;height:40px}
@media(min-width:1450px){.header{margin-top:30px}}
@media(max-width:800px){.header{margin:12px 16px 0;padding:13px 18px;border-radius:14px}nav{gap:20px}nav>a{display:none}.hero{padding-top:55px}h1{font-size:clamp(52px,10vw,78px)}.hero-copy{font-size:16px}.intro{margin-top:80px;gap:24px;grid-template-columns:1fr}.steps{gap:22px;margin-bottom:75px}.steps h3{font-size:17px}.local{gap:35px;margin:80px auto}.demo-caption{font-size:10px}.section-heading>p{display:none}.worlds{padding-top:60px;padding-bottom:60px}footer{flex-wrap:wrap;gap:20px}.runtime-body{padding:22px}}
@media(max-width:540px){.wordmark{font-size:36px}.hero{padding-left:16px;padding-right:16px}.eyebrow{font-size:10px;letter-spacing:.025em}.hero-actions{gap:18px;flex-direction:column}.quiet{font-size:11px}.demo{margin-top:35px}.demo-label{display:none}.demo-bar{font-size:10px;gap:12px;justify-content:flex-start}.demo-caption{flex-direction:column;gap:3px}.play-triangle{width:50px;height:50px}.play-demo{font-size:12px}.steps{grid-template-columns:1fr;gap:25px}.runtime-grid{grid-template-columns:1fr}.local{grid-template-columns:1fr;gap:35px}.desktop{display:none}.intro,.local,.steps,.faq{padding-left:24px;padding-right:24px}.intro{margin-bottom:35px}.closing h2{font-size:40px}footer>a:not(.wordmark){margin-left:0}footer>span:last-child{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.header > .wordmark { display: inline-flex; align-items: center; line-height: 1; transform: translateY(-2px); }
.source-link { text-decoration: underline; text-underline-offset: 3px; }

/* The former closing panel is now the primary introduction. */
.hero { padding: 0 24px; }
.hero-intro { margin: 28px -24px 0; padding: 56px 24px; background: #edf2f0 url('assets/wigglelight.png') repeat; }
.hero-intro > img { display: block; margin: 0 auto 18px; }
.hero-intro h1 { font-size: clamp(40px, 4.2vw, 56px); font-weight: 600; letter-spacing: -.045em; margin-bottom: 26px; }
@media(max-width:540px) { .hero { padding: 0 16px; } .hero-intro { margin-left: -16px; margin-right: -16px; padding: 42px 20px; } }

/* Shared top surface: waves extend behind the sand navigation. */
body { position: relative; isolation: isolate; }
.hero-backdrop { position: absolute; top: -30px; left: 0; right: 0; height: var(--hero-surface-height, 540px); background: #edf2f0 url('assets/wigglelight.png') repeat; z-index: -1; pointer-events: none; }
.header { background: #ffffffed; border-color: #e3e9e5; backdrop-filter: blur(20px); }
.hero-intro { background: transparent; }
.hero-download { display: flex; align-items: center; justify-content: center; gap: 14px; }
.hero-download > img { width: 56px; height: 56px; flex: 0 0 56px; }
.hero-download > .button { height: 56px; }

/* More breathing room around the world-model introduction. */
.hero-intro { padding-top: 108px; padding-bottom: 100px; }
.hero-intro h1 { margin-bottom: 42px; line-height: 1.16; }
.hero-intro .quiet { margin-top: 24px; }
@media(max-width:800px) { .hero-intro { padding-top: 80px; padding-bottom: 76px; } }
@media(max-width:540px) { .hero-intro { padding-top: 64px; padding-bottom: 60px; } .hero-intro h1 { margin-bottom: 32px; } }

/* Maintain outer navigation gutters at every viewport width. */
.header { width: calc(100% - 48px); margin-left: auto; margin-right: auto; }
@media(max-width:800px) { .header { width: calc(100% - 32px); margin-left: auto; margin-right: auto; } }

.arrow-icon { display: inline-block; width: 18px; height: 18px; flex-shrink: 0; vertical-align: -3px; }
.intro { margin-bottom: 100px; }
@media(max-width:540px) { .intro { margin-bottom: 64px; } }