:root{
    --paper:#F2F4F8; --paper2:#E7EBF2; --ink:#0E1220; --ink2:#4B5265;
    --dark:#080C16; --dark2:#0F1424; --dark-text:#E9ECF5; --dark-dim:#8792A8;
    --indigo:#4338CA; --indigo-br:#6366F1; --cyan:#06B6D4; --cyan-soft:#67E8F9; --red:#E11D48;
    --line:#DCE1EB; --dline:#1E2740;
    --sans:"Instrument Sans","Helvetica Neue",sans-serif;
    --serif:"Fraunces",Georgia,serif;
    --mono:"IBM Plex Mono",monospace;
    /* the product's own frame fonts (authentic to the videos) */
    --vGeorgia:Georgia,'Times New Roman',serif; --vImpact:Impact,'Arial Black',sans-serif; --vHelv:'Helvetica Neue',Arial,sans-serif;
    --r:18px; --r-sm:12px;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;} html,body{overflow-x:clip;}
  body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;}
  a{color:inherit;} ::selection{background:rgba(6,182,212,.4);}
  .wrap{max-width:1280px;margin:0 auto;padding:0 clamp(20px,4vw,48px);}
  .grain::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;mix-blend-mode:overlay;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");}
  .kick{font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--indigo);display:flex;align-items:center;gap:12px;}
  .kick::before{content:"";width:22px;height:1px;background:var(--cyan);}
  .dark .kick{color:var(--cyan-soft);}
  h2{font-weight:600;font-size:clamp(34px,4.4vw,56px);line-height:1.02;letter-spacing:-.035em;margin:20px 0 14px;}
  h2 .it{font-family:var(--serif);font-style:italic;font-weight:380;letter-spacing:-.01em;color:var(--indigo);}
  .dark h2 .it{color:var(--cyan-soft);}
  .lede{font-size:17px;color:var(--ink2);max-width:52ch;}
  .dark .lede{color:var(--dark-dim);}
  .btn{display:inline-flex;align-items:center;gap:10px;border-radius:999px;padding:15px 26px;font-weight:600;font-size:15px;
    text-decoration:none;letter-spacing:-.01em;transition:transform .18s cubic-bezier(.2,.8,.2,1),background .18s,color .18s,box-shadow .18s;}
  .btn:hover{transform:translateY(-2px);}
  .btn.primary{background:var(--ink);color:var(--paper);box-shadow:0 1px 0 rgba(255,255,255,.15) inset,0 8px 20px -8px rgba(14,18,32,.5);}
  .btn.primary:hover{background:var(--indigo);}
  .btn.accent{background:linear-gradient(180deg,var(--cyan-soft),var(--cyan));color:var(--ink);box-shadow:0 1px 0 rgba(255,255,255,.4) inset,0 8px 20px -8px rgba(6,182,212,.6);}
  .btn.ghost{border:1px solid var(--line);color:var(--ink2);background:rgba(255,255,255,.5);}
  .btn.ghost:hover{border-color:var(--ink);color:var(--ink);}
  .dark .btn.ghost{border-color:#333D5C;color:var(--dark-dim);background:transparent;}
  .dark .btn.ghost:hover{border-color:var(--cyan);color:var(--dark-text);}
  .play-dot{width:8px;height:8px;border-radius:50%;background:currentColor;opacity:.85;}
  section{padding:clamp(72px,9vw,116px) 0;position:relative;}
  .dark{background:radial-gradient(140% 100% at 20% 0%,#141B33 0%,var(--dark) 55%);color:var(--dark-text);position:relative;}
  .rv{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);}
  .rv.on{opacity:1;transform:none;}
  @media (prefers-reduced-motion: reduce){.rv{opacity:1;transform:none;transition:none;}.btn:hover{transform:none;}.mq-in{animation:none;}.shine{display:none;}}
  /* ============ product frame components (the videos' own look) ============ */
  .v5{background:#F8FAFD;position:relative;overflow:hidden;font-family:var(--vHelv);color:#0E1220;
    background-image:radial-gradient(rgba(14,18,32,.09) 1px, transparent 1px);background-size:16px 16px;}
  .v5 .vbar{position:absolute;top:0;left:0;right:0;height:5px;background:var(--indigo);}
  .v5 .veye{font-family:var(--vHelv);font-weight:700;font-size:8px;letter-spacing:.22em;color:var(--indigo);text-transform:uppercase;}
  .v5 .vgeo{font-family:var(--vGeorgia);font-style:italic;}
  .v5 .vimp{font-family:var(--vImpact);letter-spacing:.01em;}
  .v5 .vsw{background:linear-gradient(transparent 55%, rgba(6,182,212,.75) 55%, rgba(6,182,212,.75) 92%, transparent 92%);padding:0 3px;}
  .v5 .vpill{display:inline-block;background:var(--indigo);color:#fff;border-radius:999px;padding:3px 9px;font-size:7.5px;font-weight:700;letter-spacing:.08em;box-shadow:0 2px 0 rgba(14,18,32,.18);}
  .v5 .vpill.accent{background:var(--cyan);color:#0E1220;}
  .v5 .vpill.red{background:var(--red);}
  .v5 .vsrc{font-size:6.5px;letter-spacing:.1em;color:#78839A;text-transform:uppercase;}
  .v5 .vfoot{position:absolute;left:0;right:0;bottom:0;padding:5px 10px;display:flex;justify-content:space-between;align-items:center;
    font-size:6px;letter-spacing:.14em;color:#8A94A8;text-transform:uppercase;border-top:1px solid rgba(14,18,32,.08);background:rgba(248,250,253,.9);}
  .v5 .vfoot b{color:var(--indigo);letter-spacing:.16em;}
  /* phone chrome */
  .phone{border-radius:26px;overflow:hidden;position:relative;background:#000;box-shadow:0 2px 0 rgba(255,255,255,.25) inset,0 30px 60px -18px rgba(14,18,32,.45),0 0 0 1px rgba(14,18,32,.2);}
  .phone .scrn{position:absolute;inset:0;}
  .phone .p-top{position:absolute;top:10px;left:14px;right:14px;display:flex;justify-content:space-between;z-index:5;
    font-family:var(--mono);font-size:8px;color:rgba(14,18,32,.55);}
  .phone .p-rail{position:absolute;right:9px;bottom:64px;display:flex;flex-direction:column;gap:12px;z-index:5;align-items:center;}
  .phone .p-rail span{width:26px;height:26px;border-radius:50%;background:rgba(14,18,32,.08);border:1px solid rgba(14,18,32,.14);display:block;position:relative;}
  .phone .p-rail span::after{content:"";position:absolute;inset:7px;border-radius:3px;background:rgba(14,18,32,.35);}
  .phone .p-cap{position:absolute;left:12px;right:44px;bottom:34px;z-index:5;font-size:8.5px;line-height:1.35;color:#0E1220;font-weight:600;}
  .phone .p-cap small{display:block;font-weight:400;color:rgba(14,18,32,.6);margin-top:3px;font-size:7.5px;}
  .phone .p-prog{position:absolute;left:12px;right:12px;bottom:12px;height:2.5px;border-radius:2px;background:rgba(14,18,32,.15);z-index:5;}
  .phone .p-prog i{position:absolute;left:0;top:0;bottom:0;width:64%;border-radius:2px;background:var(--cyan);}
  .phone .p-prog i::after{content:"";position:absolute;right:-3px;top:50%;transform:translateY(-50%);width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(6,182,212,.25);}
  /* player chrome (16:9) */
  .playerx{border-radius:var(--r);overflow:hidden;position:relative;background:#060A13;box-shadow:0 2px 0 rgba(255,255,255,.06) inset,0 40px 90px -30px rgba(0,0,0,.85),0 0 0 1px #1E2740;}
  .playerx .stage{aspect-ratio:16/9;position:relative;}
  .playerx .ctrl{display:flex;align-items:center;gap:14px;padding:12px 16px;background:rgba(6,10,19,.92);border-top:1px solid #1A2338;}
  .ctrl .cbtn{width:0;height:0;border-style:solid;border-width:7px 0 7px 12px;border-color:transparent transparent transparent var(--cyan);}
  .ctrl .track{flex:1;height:4px;border-radius:3px;background:rgba(233,236,245,.14);position:relative;}
  .ctrl .track .buf{position:absolute;left:0;top:0;bottom:0;width:52%;background:rgba(233,236,245,.2);border-radius:3px;}
  .ctrl .track .cur{position:absolute;left:0;top:0;bottom:0;width:27%;background:var(--cyan);border-radius:3px;}
  .ctrl .track .cur::after{content:"";position:absolute;right:-4px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:var(--cyan-soft);}
  .ctrl .tm{font-family:var(--mono);font-size:10px;color:var(--dark-dim);}
  .ctrl .ic{width:14px;height:11px;border:1.5px solid var(--dark-dim);border-radius:2px;opacity:.8;}
  .ctrl .ic.cc{position:relative;} .ctrl .ic.cc::after{content:"CC";position:absolute;inset:0;font:700 6px/11px var(--sans);text-align:center;color:var(--dark-dim);}
  .ctrl .ic.fs{border:none;position:relative;} .ctrl .ic.fs::before,.ctrl .ic.fs::after{content:"";position:absolute;width:5px;height:5px;border:1.5px solid var(--dark-dim);}
  .ctrl .ic.fs::before{left:0;top:0;border-right:none;border-bottom:none;} .ctrl .ic.fs::after{right:0;bottom:0;border-left:none;border-top:none;}
  .bigplay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:78px;height:78px;border-radius:50%;z-index:6;cursor:pointer;
    background:linear-gradient(180deg,var(--cyan-soft),var(--cyan));box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 18px 40px -10px rgba(6,182,212,.55);
    display:flex;align-items:center;justify-content:center;transition:transform .25s cubic-bezier(.2,.8,.2,1);}
  .playerx:hover .bigplay{transform:translate(-50%,-50%) scale(1.07);}
  .bigplay::after{content:"";border-style:solid;border-width:11px 0 11px 19px;border-color:transparent transparent transparent #0E1220;margin-left:5px;}
  /* ============ masthead ============ */
  #prog{position:fixed;top:0;left:0;height:2px;background:var(--cyan);width:0;z-index:90;}
  header{position:sticky;top:0;z-index:80;transition:background .25s,border-color .25s;border-bottom:1px solid transparent;}
  header.scrolled{background:rgba(13,15,7,.8);backdrop-filter:blur(16px);border-bottom-color:#1E2740;}
  .nav{display:flex;align-items:center;gap:30px;padding:16px 0;}
  .logo{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:700;letter-spacing:.16em;font-size:13px;text-transform:uppercase;}
  .logo svg{display:block;}
  .logo em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--indigo);letter-spacing:.02em;text-transform:none;font-size:15px;}
  .nav-links{margin-left:auto;display:flex;gap:26px;align-items:center;}
  .nav-links a{text-decoration:none;font-size:14px;font-weight:500;color:var(--ink2);}
  .nav-links a:hover{color:var(--ink);}
  .nav-links .btn{padding:11px 20px;font-size:14px;}
  header.scrolled .nav-links a{color:#C6CDDD;} header.scrolled .nav-links a:hover{color:#E9ECF5;}
  header.scrolled .logo{color:#E9ECF5;} header.scrolled .logo em{color:var(--cyan-soft);}
  header.scrolled .logo .lg-body{fill:#E9ECF5;} header.scrolled .logo .lg-slot{fill:var(--cyan);}
  /* ============ hero ============ */
  .hero{display:grid;grid-template-columns:minmax(0,6.4fr) minmax(0,5.6fr);gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(46px,6vw,80px) 0 clamp(60px,7vw,90px);}
  h1{font-weight:640;font-size:clamp(44px,6.1vw,84px);line-height:1;letter-spacing:-.045em;margin:22px 0 24px;}
  h1 .it{font-family:var(--serif);font-style:italic;font-weight:380;letter-spacing:-.015em;color:var(--indigo);}
  .hero .sub{font-size:clamp(16px,1.5vw,18.5px);color:var(--ink2);max-width:48ch;}
  .hero-ctas{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;align-items:center;}
  .hero-quiet{margin-top:16px;}
  .hero-quiet a{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:2px;}
  .hero-quiet a:hover{color:var(--red);border-color:var(--red);}
  .hero-meta{display:flex;gap:0;margin-top:36px;border-top:1px solid var(--line);flex-wrap:wrap;}
  .hero-meta span{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2);padding:12px 20px 0 0;margin-right:20px;border-right:1px solid var(--line);}
  .hero-meta span:last-child{border-right:none;}
  .stack{position:relative;height:clamp(400px,44vw,560px);}
  .stack .ph{position:absolute;width:clamp(168px,17.5vw,236px);aspect-ratio:9/16.5;transition:transform .45s cubic-bezier(.2,.8,.2,1);}
  .stack .ph:hover{transform:translateY(-10px) rotate(0deg) !important;z-index:9 !important;}
  .ph.a{left:0;top:9%;transform:rotate(-6.5deg);z-index:2;}
  .ph.b{left:30%;top:0;transform:rotate(1.5deg);z-index:3;}
  .ph.c{left:58%;top:13%;transform:rotate(7deg);z-index:1;}
  .shine{position:absolute;inset:0;z-index:7;pointer-events:none;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.22) 48%,transparent 60%);transform:translateX(-120%);animation:shine 6s ease-in-out infinite;}
  @keyframes shine{0%,55%{transform:translateX(-120%)}80%,100%{transform:translateX(120%)}}
  .stack .tag9{position:absolute;z-index:8;top:-11px;left:14px;background:var(--ink);color:var(--cyan-soft);font-family:var(--mono);font-size:8px;letter-spacing:.18em;padding:4px 9px;border-radius:5px;}
  /* marquee overlapping the seam */
  .mq{position:relative;z-index:5;margin-top:calc(-1 * clamp(26px,3vw,40px));}
  .mq .in{background:var(--ink);color:#A8B1C6;border-radius:12px;box-shadow:0 20px 50px -20px rgba(14,18,32,.55);
    overflow:hidden;white-space:nowrap;padding:13px 0;}
  .mq-in{display:inline-block;animation:mq 42s linear infinite;font-family:var(--mono);font-size:10.5px;letter-spacing:.3em;text-transform:uppercase;}
  @keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
  .mq b{color:var(--cyan-soft);font-weight:500;}
  /* ============ theater ============ */
  .theater-grid{display:grid;grid-template-columns:minmax(0,4.6fr) minmax(0,7.4fr);gap:clamp(28px,4vw,56px);align-items:end;margin-bottom:40px;}
  .rail-head{display:flex;justify-content:space-between;align-items:baseline;margin:54px 0 16px;}
  .rail-head .hint{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--dark-dim);text-transform:uppercase;}
  .rail{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 16px;scrollbar-width:none;}
  .rail::-webkit-scrollbar{display:none;}
  .rtile{flex:0 0 clamp(158px,15.5vw,200px);aspect-ratio:9/15.5;scroll-snap-align:start;position:relative;transition:transform .25s cubic-bezier(.2,.8,.2,1);}
  .rtile:hover{transform:translateY(-6px);}
  .quotebar{margin-top:52px;border-left:3px solid var(--cyan);padding:6px 0 6px 26px;}
  .quotebar p{font-family:var(--serif);font-style:italic;font-weight:340;font-size:clamp(19px,2.1vw,25px);line-height:1.45;color:#D2D8E6;max-width:36em;}
  .quotebar b{color:var(--cyan-soft);font-weight:500;font-style:normal;}
  .readyband{margin-top:46px;border:1px solid var(--dline);border-radius:var(--r);padding:20px 26px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));box-shadow:0 1px 0 rgba(255,255,255,.06) inset;}
  .readyband .t{font-family:var(--serif);font-style:italic;font-size:19px;color:#DCE2EE;}
  .readyband .sp{flex:1;}
  /* ============ story ============ */
  .story{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(30px,5vw,80px);}
  .story-steps{display:flex;flex-direction:column;gap:clamp(90px,14vh,150px);padding:6vh 0 10vh;}
  .sstep{max-width:44ch;opacity:.25;transition:opacity .4s;}
  .sstep.active{opacity:1;}
  .sstep .n{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--indigo);text-transform:uppercase;display:block;margin-bottom:12px;}
  .sstep h3{font-weight:600;font-size:clamp(26px,2.9vw,36px);letter-spacing:-.03em;line-height:1.05;margin-bottom:12px;}
  .sstep h3 em{font-family:var(--serif);font-style:italic;font-weight:380;color:var(--indigo);}
  .sstep p{color:var(--ink2);font-size:16px;}
  .sstep .spec{margin-top:14px;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--ink2);line-height:2;text-transform:uppercase;}
  .sstep .spec i{color:var(--indigo);font-style:normal;}
  .story-visual{position:sticky;top:104px;height:min(64vh,560px);align-self:start;border-radius:var(--r);overflow:hidden;
    box-shadow:0 1px 0 rgba(255,255,255,.6) inset,0 30px 70px -25px rgba(14,18,32,.35),0 0 0 1px var(--line);}
  .pane{position:absolute;inset:0;opacity:0;transition:opacity .5s;background:#F8FAFD;}
  .pane.active{opacity:1;}
  .pane .plab{position:absolute;top:14px;left:16px;font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;color:var(--ink2);text-transform:uppercase;z-index:3;}
  .pane .plab b{color:var(--indigo);}
  /* ============ duel ============ */
  .duel{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:44px;}
  .dwrap{position:relative;}
  .dwrap .lab{margin-top:12px;display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--dark-dim);}
  .dwrap.ours .lab i{color:var(--cyan);font-style:normal;}
  /* agency mock (dark talking-head) */
  .agency{aspect-ratio:16/9;border-radius:var(--r-sm);position:relative;overflow:hidden;background:
    radial-gradient(90% 130% at 72% 30%, #4A4139 0%, #2E2823 55%, #1B1815 100%);box-shadow:0 0 0 1px #1E2740;}
  .agency .person{position:absolute;right:16%;bottom:0;width:34%;height:74%;background:radial-gradient(60% 42% at 50% 12%, #C9A88A 0%, #C9A88A 55%, transparent 56%),linear-gradient(180deg,transparent 26%, #5A4A3A 27%);border-radius:50% 50% 0 0/34% 34% 0 0;filter:blur(.3px);}
  .agency .third{position:absolute;left:5%;bottom:12%;background:rgba(30,26,22,.75);backdrop-filter:blur(3px);border-left:3px solid #B9A48C;padding:7px 12px;}
  .agency .third b{display:block;font-size:11px;color:#fff;letter-spacing:.02em;}
  .agency .third span{font-size:8px;color:#B3A08C;letter-spacing:.12em;text-transform:uppercase;}
  .agency .logo-b{position:absolute;top:10px;right:12px;font-family:var(--sans);font-weight:700;font-size:9px;color:rgba(255,255,255,.5);letter-spacing:.2em;}
  /* ============ ledger ============ */
  .ledger{border-top:1px solid var(--hair2,#C7CEDB);margin-top:40px;}
  .lrow{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1.3fr);border-bottom:1px solid var(--line);align-items:baseline;padding:22px 4px;}
  .lrow .name{font-size:clamp(17px,1.8vw,21px);font-weight:500;letter-spacing:-.02em;}
  .lrow .bill,.lrow .stop{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--ink2);}
  .lrow.us{background:linear-gradient(90deg,rgba(6,182,212,.13),transparent 75%);border-bottom:2px solid var(--ink);}
  .lrow.us .name{font-family:var(--serif);font-style:italic;font-weight:420;font-size:clamp(19px,2vw,24px);}
  .lrow.us .bill .big{font-family:var(--sans);font-weight:640;letter-spacing:-.03em;font-size:clamp(20px,2.2vw,26px);color:var(--indigo);}
  .fnote{font-family:var(--mono);font-size:10.5px;color:var(--ink2);margin-top:14px;}
  .fnote b{color:var(--cyan);}
  /* ============ feed ============ */
  .feed-head{display:flex;align-items:end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px;}
  .live{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--indigo);}
  .live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--indigo-br);animation:pulse 1.8s infinite;}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
  .feed{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .fcard{border-radius:var(--r-sm);background:#fff;overflow:hidden;transition:transform .22s cubic-bezier(.2,.8,.2,1),box-shadow .22s;text-decoration:none;display:block;
    box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 1px 3px rgba(14,18,32,.08),0 12px 30px -14px rgba(14,18,32,.18),0 0 0 1px var(--line);}
  .fcard:hover{transform:translateY(-5px);box-shadow:0 24px 50px -18px rgba(14,18,32,.3),0 0 0 1px var(--line);}
  .fcard .fth{aspect-ratio:16/9.4;position:relative;overflow:hidden;}
  .fcard .dur{position:absolute;right:10px;bottom:9px;z-index:4;background:rgba(14,18,32,.85);color:#fff;font-family:var(--mono);font-size:9px;padding:3px 7px;border-radius:5px;letter-spacing:.06em;}
  .fcard .fb{padding:15px 18px 17px;}
  .fcard .chip{font-family:var(--mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;padding:4px 9px;border-radius:5px;background:rgba(67,56,202,.09);color:var(--indigo);display:inline-block;margin-bottom:9px;}
  .fcard h4{font-size:16.5px;font-weight:600;letter-spacing:-.02em;line-height:1.3;}
  .fcard .fm{font-family:var(--mono);font-size:9.5px;color:var(--ink2);margin-top:9px;letter-spacing:.08em;text-transform:uppercase;}
  /* ============ bento ============ */
  .bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:44px;}
  .b{border-radius:var(--r);background:#fff;padding:26px;position:relative;overflow:hidden;
    box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 1px 3px rgba(14,18,32,.07),0 10px 28px -16px rgba(14,18,32,.16),0 0 0 1px var(--line);}
  .b h4{font-weight:600;font-size:19px;letter-spacing:-.02em;margin-bottom:8px;}
  .b p{font-size:14px;color:var(--ink2);}
  .b .bi{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--indigo);display:block;margin-bottom:14px;}
  .b1{grid-column:span 3;background:linear-gradient(140deg,#fff,#E9ECFD);}
  .b2{grid-column:span 3;} .b3{grid-column:span 2;} .b4{grid-column:span 2;}
  .b5{grid-column:span 2;background:linear-gradient(150deg,#151C34,var(--dark));color:var(--dark-text);box-shadow:0 0 0 1px var(--dline);}
  .b5 h4{color:var(--dark-text);} .b5 p{color:var(--dark-dim);} .b5 .bi{color:var(--cyan-soft);}
  /* ============ provenance ============ */
  .prov p{font-family:var(--serif);font-style:italic;font-weight:340;font-size:clamp(23px,3vw,35px);line-height:1.42;color:#DCE2EE;max-width:31em;}
  .prov p b{color:var(--cyan-soft);font-style:normal;font-weight:500;}
  .prov .who{margin-top:24px;font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--dark-dim);}
  /* ============ appendix ============ */
  .apx{border-radius:var(--r);background:#fff;overflow:hidden;max-width:920px;margin:0 auto;
    box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 24px 60px -28px rgba(14,18,32,.35),0 0 0 1px var(--line);}
  .apx .top{display:flex;justify-content:space-between;align-items:center;padding:15px 26px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#EDF0F6,#E7EBF2);}
  .apx .top span{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink2);}
  .apx .top .warn{color:var(--red);font-weight:600;}
  .apx .body{padding:34px 40px;}
  .apx h3{font-weight:600;font-size:clamp(24px,2.6vw,31px);letter-spacing:-.03em;margin-bottom:20px;}
  .apx h3 em{font-family:var(--serif);font-style:italic;font-weight:380;color:var(--red);}
  .rsn{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--line);}
  .rsn:first-of-type{border-top:none;}
  .rsn .k{font-family:var(--serif);font-style:italic;font-size:22px;color:var(--red);}
  .rsn p{font-size:15px;color:var(--ink2);} .rsn b{color:var(--ink);}
  /* ============ models ============ */
  .models{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:44px;}
  .model{border-radius:var(--r);padding:34px 34px 30px;position:relative;overflow:hidden;
    background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));box-shadow:0 1px 0 rgba(255,255,255,.07) inset,0 0 0 1px var(--dline);
    transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s;}
  .model:hover{transform:translateY(-4px);box-shadow:0 1px 0 rgba(255,255,255,.1) inset,0 0 0 1px rgba(6,182,212,.55),0 30px 60px -30px rgba(0,0,0,.7);}
  .model.twin::before{content:"";position:absolute;inset:0;background:radial-gradient(80% 60% at 85% 0%,rgba(6,182,212,.13),transparent 60%);}
  .model .code{font-family:var(--mono);font-size:10px;letter-spacing:.26em;color:var(--cyan-soft);text-transform:uppercase;}
  .model h3{font-weight:600;font-size:23px;letter-spacing:-.02em;margin:12px 0 2px;}
  .model .pr{display:flex;align-items:baseline;gap:12px;margin:16px 0 6px;}
  .model .pr .n{font-weight:640;font-size:clamp(46px,4.8vw,62px);letter-spacing:-.04em;line-height:1;}
  .model .pr .per{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--dark-dim);text-transform:uppercase;}
  .model ul{list-style:none;margin:20px 0 26px;}
  .model li{padding:10px 0;border-top:1px solid var(--dline);font-size:14.5px;color:#C6CDDD;display:grid;grid-template-columns:18px 1fr;gap:10px;}
  .model li::before{content:"—";color:var(--cyan);}
  .model .btn{width:100%;justify-content:center;}
  .aftermodels{margin-top:26px;text-align:center;font-family:var(--serif);font-style:italic;font-size:15px;color:var(--dark-dim);}
  /* ============ faq ============ */
  .faq{max-width:880px;margin:36px auto 0;}
  .faq details{border-bottom:1px solid var(--line);}
  .faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding:23px 4px;font-weight:600;font-size:clamp(17px,1.8vw,19.5px);letter-spacing:-.02em;}
  .faq summary::-webkit-details-marker{display:none;}
  .faq summary .x{font-weight:400;color:var(--ink2);transition:transform .25s;font-size:22px;line-height:1;}
  .faq details[open] .x{transform:rotate(45deg);color:var(--indigo);}
  .faq .ans{padding:0 4px 25px;color:var(--ink2);font-size:15.5px;max-width:66ch;}
  /* ============ finale/footer ============ */
  .finale{text-align:center;}
  .finale h2{font-size:clamp(38px,5.2vw,66px);}
  footer{background:var(--dark);color:var(--dark-dim);border-top:1px solid var(--dline);}
  .foot{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:24px 0;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;}
  .foot a{text-decoration:none;} .foot a:hover{color:var(--dark-text);}
  /* quick-buy + buybar (unchanged patterns, refined surfaces) */
  .qb-back{position:fixed;inset:0;background:rgba(6,9,17,.6);backdrop-filter:blur(8px);z-index:100;display:none;align-items:center;justify-content:center;padding:20px;}
  .qb-back.open{display:flex;}
  .qb{background:var(--paper);border-radius:20px;max-width:560px;width:100%;padding:30px 30px 24px;box-shadow:0 1px 0 rgba(255,255,255,.7) inset,0 50px 110px -25px rgba(0,0,0,.6);position:relative;}
  .qb .close{position:absolute;top:16px;right:18px;border:none;background:none;font-size:26px;line-height:1;cursor:pointer;color:var(--ink2);}
  .qb h3{font-weight:640;font-size:23px;letter-spacing:-.03em;margin-bottom:4px;}
  .qb .sub{font-size:13.5px;color:var(--ink2);margin-bottom:18px;}
  .qb-row{display:flex;align-items:center;justify-content:space-between;gap:16px;border-radius:14px;padding:18px 20px;margin-bottom:12px;background:#fff;
    box-shadow:0 1px 2px rgba(14,18,32,.06),0 0 0 1px var(--line);transition:box-shadow .2s;}
  .qb-row:hover{box-shadow:0 6px 18px -8px rgba(14,18,32,.25),0 0 0 1.5px var(--cyan);}
  .qb-row .l .code{font-family:var(--mono);font-size:9px;letter-spacing:.2em;color:var(--indigo);text-transform:uppercase;display:block;margin-bottom:4px;}
  .qb-row .l .nm{font-weight:600;font-size:16.5px;letter-spacing:-.02em;}
  .qb-row .l .d{font-size:12.5px;color:var(--ink2);}
  .qb-row .r{display:flex;align-items:center;gap:14px;}
  .qb-row .pr{font-weight:640;font-size:22px;letter-spacing:-.03em;}
  .qb-row .pr small{font-family:var(--mono);font-size:8.5px;letter-spacing:.14em;color:var(--ink2);display:block;text-align:right;text-transform:uppercase;}
  .qb-row .btn{padding:12px 20px;font-size:14px;}
  .qb .fine{font-family:var(--mono);font-size:9.5px;color:var(--ink2);line-height:1.7;margin-top:14px;}
  .buybar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(8,12,22,.92);backdrop-filter:blur(16px);border-top:1px solid #1F2941;transform:translateY(110%);transition:transform .35s cubic-bezier(.2,.8,.2,1);}
  .buybar.show{transform:none;}
  .buybar .in{max-width:1280px;margin:0 auto;padding:12px clamp(20px,4vw,48px);display:flex;align-items:center;gap:18px;}
  .buybar .t{color:var(--dark-text);font-weight:600;font-size:14.5px;}
  .buybar .t small{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:var(--dark-dim);text-transform:uppercase;font-weight:400;margin-top:2px;}
  .buybar .sp{flex:1;}
  .buybar .btn{padding:11px 20px;font-size:13.5px;}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px;}
  @media(max-width:980px){
    .hero{grid-template-columns:1fr;}
    .stack{height:380px;margin-top:6px;}
    .theater-grid,.story{grid-template-columns:1fr;}
    .story-visual{position:relative;top:0;height:340px;order:-1;}
    .story-steps{gap:56px;padding:26px 0 0;} .sstep{opacity:1;}
    .duel,.models,.feed{grid-template-columns:1fr;}
    .bento{grid-template-columns:1fr 1fr;} .b1,.b2,.b3,.b4,.b5{grid-column:span 2;}
    .nav-links a:not(.btn){display:none;}
    .buybar .alt2{display:none;} .buybar .t small{display:none;}
  }