.nav-shell{position:sticky;top:0;z-index:20;transition:background .2s,border-color .2s;border-bottom:1px solid transparent}.nav-shell.scrolled{background:#f4f2edf5;border-color:var(--rule);backdrop-filter:blur(16px)}.hero{min-height:calc(100svh - 88px);display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:center;padding-block:64px 85px}.hero .eyebrow{font-size:10px}.hero h1{font-weight:600;font-size:clamp(58px,7.5vw,116px);line-height:.96;letter-spacing:-.065em;margin-top:30px}.hero h1 span{color:var(--red)}.hero .lead{max-width:42ch;font-size:19px;margin-top:28px}.hero .actions{margin-top:32px}.status{font-size:11px;color:var(--muted);margin-top:24px;display:flex;align-items:center;gap:8px}.status>span{width:6px;height:6px;background:var(--red);border-radius:50%;flex-shrink:0}.hero-art{position:relative;display:flex;align-items:center;flex-direction:column;padding-top:22px}.print-slot{height:10px;background:var(--ink);width:calc(100% + 12px);max-width:400px;border-radius:100%;box-shadow:0 8px 14px #0003}.hero-receipt{transform:rotate(3deg);transform-origin:top center;animation:print-in 1.1s ease-out both}.hero-receipt .meta{margin:24px 0}.receipt-total{display:flex;align-items:center;gap:16px;margin-bottom:16px}.receipt-total strong{font:500 52px/.9 var(--sans);letter-spacing:-.06em}.receipt-total span{font-size:10px}.artifact-label{margin-top:36px;text-align:center;font-size:8px!important;color:var(--muted)}.chapter-line{border-block:1px solid var(--rule);display:flex;justify-content:space-between;gap:20px;padding-block:15px;font:10px var(--mono);letter-spacing:.08em}.interaction{display:grid;grid-template-columns:.9fr 1.2fr;min-height:420px;border-block:1px solid var(--rule)}.step-buttons{display:flex;flex-direction:column}.step-buttons button{padding:28px 24px 28px 0;border:0;border-bottom:1px solid var(--rule);background:none;text-align:left;position:relative}.step-buttons button:last-child{border-bottom:0}.step-buttons button:after{content:'↗';position:absolute;right:24px;top:30px;color:var(--muted)}.step-buttons button span,.step-buttons button small{display:block;color:var(--muted)}.step-buttons button span{font:10px var(--mono);letter-spacing:.1em;margin-bottom:10px}.step-buttons button strong{display:block;font-weight:500;font-size:25px;letter-spacing:-.04em;margin-bottom:5px}.step-buttons button small{font-size:14px}.step-buttons button[aria-pressed=true] span{color:var(--red)}.step-buttons button[aria-pressed=true]:after{color:var(--red)}.stage{background:#eae7df;padding:30px 40px;display:flex;flex-direction:column;justify-content:space-between;gap:36px}.stage>.eyebrow{color:var(--muted);font-size:9px}.spoken{font-size:clamp(26px,3vw,40px);line-height:1.22;letter-spacing:-.035em;margin-bottom:24px}.voice-symbol{font-size:48px;color:var(--red);margin-bottom:12px}.filed-row{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid #c3bfb5;font-size:21px;letter-spacing:-.02em}.filed-row small{font:10px var(--mono);color:var(--muted);align-self:center}.filed-note{font-size:14px;margin-top:24px;color:var(--muted)}.dark{background:var(--dark);color:var(--paper);padding:100px 0}.dark h2{margin-top:24px}.dark .lead{color:#c6c1b7;margin-top:0}.context-row{border-top:1px solid #49443c;margin-top:32px;padding-top:22px;display:grid;grid-template-columns:1fr 1.5fr;gap:15px}.context-row span{font:10px var(--mono);letter-spacing:.06em;color:#b5afa6}.context-row p{font-size:20px}.challenge-list{display:grid;grid-template-columns:1fr 1fr;column-gap:60px}.challenge-list>div{padding:26px 0 30px;border-top:1px solid var(--rule)}.challenge-list span{font:10px var(--mono);color:var(--red)}.challenge-list h3{margin:16px 0 12px}.challenge-list p{font-size:14px;color:var(--muted);max-width:40ch}.fine-line{color:var(--muted);font-size:12px;margin-top:28px}.crews{background:#eae7df;padding:95px 0}.crews h2{margin-top:22px}.crew-record{padding:30px;background:var(--paper);border-top:2px solid var(--ink)}.crew-record>.eyebrow{font-size:9px;color:var(--muted);margin-bottom:18px}.crew-record>div{display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--rule);padding:24px 0}.avatar{font:14px var(--mono);height:38px;width:38px;border:1px solid var(--rule);border-radius:50%;display:grid;place-items:center;flex-shrink:0}.crew-record p{font-size:14px}.crew-record strong{font-weight:500}.crew-record small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.crew-note{margin-top:25px;color:var(--red);line-height:1.4;font-size:23px!important;letter-spacing:-.03em}.film-band{height:460px;position:relative;background:var(--ink);overflow:hidden;color:var(--white)}.film-band video{width:100%;height:100%;object-fit:cover;opacity:.6}.film-band:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#0009,transparent)}.film-caption{position:absolute;left:max(48px,calc((100% - 1280px)/2));top:80px;z-index:1}.film-caption p{font-size:clamp(40px,5vw,70px);line-height:1.05;letter-spacing:-.05em;margin-top:24px}.film-toggle{position:absolute;right:24px;bottom:24px;background:#14110d;color:white;border:1px solid #fff8;z-index:2;padding:12px 18px;font-size:12px}.reward-paper{border-top:2px solid var(--ink);background:var(--white);padding:36px;box-shadow:0 20px 50px -35px #0004}.reward-paper>.eyebrow:first-child{font-size:9px;color:var(--muted)}.reward-paper h3{margin:24px 0}.reward-paper hr{border:0;border-top:1px dashed var(--rule);margin:24px 0}.reward-paper p{font-size:20px;margin-top:10px}.reward-paper .stamp{border:2px solid var(--red);color:var(--red);font:20px var(--mono);letter-spacing:.05em;padding:16px 20px;margin:36px 0;transform:rotate(-3deg);display:table;transition:transform .2s}.state-buttons{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.state-buttons button{border:1px solid var(--rule);padding:12px;background:transparent;font-size:12px}.state-buttons button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.flow-grid>div{padding-top:22px;border-top:1px solid var(--rule)}.flow-grid span{font:10px var(--mono);color:var(--red)}.flow-grid h3{margin-top:20px;font-size:27px}.invite-section{padding:100px 0;background:#eae7df}.invite-section h2{margin-top:24px}.form-message{font-size:14px;margin-top:16px}.form-message.bad{color:var(--red)}#requested{padding-block:40px;border-top:2px solid var(--red)}#requested h3{font-size:48px;margin-top:24px}@keyframes print-in{from{transform:translateY(-22px) rotate(0)}to{transform:translateY(0) rotate(3deg)}}
@media(max-width:1000px){.hero{grid-template-columns:1fr .75fr;gap:35px}.hero h1{font-size:clamp(58px,7.4vw,95px)}.hero .lead{font-size:17px}.hero-receipt{padding:24px}.hero-receipt .action-title{font-size:25px}}
@media(max-width:800px){.hero{min-height:auto;grid-template-columns:1fr;padding:40px 0 55px;gap:50px}.hero h1{font-size:clamp(52px,11.5vw,90px);margin-top:24px}.hero .lead{font-size:18px;max-width:44ch}.hero-art{width:min(340px,90%);margin:auto}.hero .eyebrow{font-size:9px}.chapter-line span:last-child{display:none}.chapter-line{font-size:9px}.interaction{grid-template-columns:1fr}.step-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.step-buttons button{padding:22px 0;border-bottom:0}.step-buttons button:after{display:none}.step-buttons button span{font-size:9px}.step-buttons button strong{font-size:20px}.step-buttons button small{display:none}.stage{padding:24px;min-height:320px}.dark,.crews,.invite-section{padding:64px 0}.dark .split{gap:35px}.challenge-list{column-gap:22px}.challenge-list h3{font-size:28px}.film-band{height:350px}.film-caption{left:20px;top:60px}.flow-grid{grid-template-columns:1fr 1fr;gap:30px 20px}.flow-grid h3{font-size:24px}.reward-paper{padding:26px}.crew-record{padding:24px}.invite-section .split{gap:42px}.hero .actions{gap:18px}}
@media(max-width:360px){.hero h1{font-size:49px}.status{font-size:10px}.challenge-list{grid-template-columns:1fr}.crew-record{padding:18px}.context-row{grid-template-columns:1fr}.hero-receipt .wordmark{font-size:21px}}

.product-pair{display:grid;grid-template-columns:1fr 1fr;gap:50px;background:#e8e4dc;padding:50px}.product-pair figure{margin:0;min-width:0}.phone-frame{max-width:292px;border:7px solid #14110d;border-radius:42px;overflow:hidden;background:#f4f2ed;box-shadow:0 22px 45px #14110d20;margin:auto;aspect-ratio:390/844}.phone-frame img{display:block;width:100%;height:100%;object-fit:cover;object-position:top}.product-pair figcaption{max-width:330px;margin:28px auto 0}.product-pair figcaption strong{display:block;font-size:21px;line-height:1.2;letter-spacing:-.025em}.product-pair figcaption span{display:block;color:var(--muted);margin-top:10px;font-size:15px}.group-hero{padding-block:65px}.group-hero h1{max-width:900px}.group-types{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:44px}.group-types article{border-top:1px solid var(--rule);padding-top:24px}.group-types h3{margin:12px 0}.group-types p{color:var(--muted)}.group-demo{background:#e8e4dc;padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.group-demo h2{margin:18px 0}.group-demo .actions{margin-top:25px}@media(max-width:700px){.product-pair{gap:38px;padding:30px 16px;grid-template-columns:1fr}.group-types,.group-demo{grid-template-columns:1fr}.group-demo{padding:28px 18px}.group-hero{padding-block:42px}}

/* Cinematic opening, following the supplied Striking v1 brief. */
.landing-cinema .nav-shell{position:fixed;inset:0 0 auto;color:#fff;background:linear-gradient(#0008,transparent);border:0}
.landing-cinema .nav-shell.scrolled{background:#0e0d0cf5;border-bottom:1px solid #ffffff26}
.landing-cinema .nav .wordmark{font-family:var(--sans);font-size:20px;font-weight:500;letter-spacing:.07em}
.landing-cinema .nav .wordmark img{filter:brightness(0) invert(1)}
.landing-cinema .nav .button{background:transparent;color:#fff;border-color:#ffffff80;font-weight:400}
.landing-cinema .nav .button:hover{background:#ffffff20}
.hero.cinema-hero{position:relative;isolation:isolate;display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:0;min-height:100svh;padding:160px 0 115px;background:#14110d;color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:-2;background:#14110d url('/media/firebird-poster.jpg') center/cover no-repeat}
.hero-media video{display:block;width:100%;height:100%;object-fit:cover}
.hero-media:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#0004,transparent),rgba(0,0,0,.56)}
.cinema-hero .hero-copy{position:relative}
.hero.cinema-hero h1{font-family:var(--sans);font-size:clamp(56px,6.7vw,96px);line-height:1.04;letter-spacing:-.035em;font-weight:400;margin-top:28px;color:#fff}
.cinema-hero .eyebrow{color:#fff;font-size:12px;letter-spacing:.12em}
.hero.cinema-hero .lead{font-size:clamp(18px,1.5vw,20px);line-height:1.55;color:#fff;max-width:45ch;margin-top:30px}
.cinema-hero .button{color:#171614;background:#fefdfb;border-color:#fefdfb;font-weight:400}
.cinema-hero .button:hover{background:#eae7e0}
.cinema-hero .text-link{color:#fff;font-weight:400}
.cinema-hero .status{color:#fff;font-size:12px;margin-top:25px}
.hero-bottom{position:absolute;bottom:26px;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:16px}
#filmToggle{flex-shrink:0;min-height:44px;background:#0006;color:#fff;border:1px solid #ffffff70;padding:10px 16px;font-size:12px;border-radius:3px}
.landing-cinema .receipt-chapter .hero-receipt{animation:none;transform:rotate(2deg)}
@media(max-width:800px){.hero.cinema-hero{min-height:100svh;padding:185px 0 125px}.hero.cinema-hero h1{font-size:clamp(40px,10vw,56px)}.hero.cinema-hero .lead{font-size:18px}.cinema-hero .eyebrow{font-size:11px}.hero-bottom .text-link{font-size:12px;max-width:24ch}.cinema-hero .actions{gap:12px 22px}.desktop-break{display:none}.hero-bottom{bottom:20px}}
@media(prefers-reduced-motion:reduce){.hero-media video{visibility:hidden}.hero-media video[data-user-play=true]{visibility:visible}}