/* AA contrast: small uppercase labels use --red-deep on light */
  h2.sec{font-size:clamp(1.65rem,3vw,2.35rem);font-weight:700;line-height:1.22;letter-spacing:-.01em;margin-bottom:10px;max-width:46rem}
  p.sec-sub{color:var(--gray);max-width:42rem;margin-bottom:44px;font-size:1rem}
  p.sec-sub b{color:var(--ink)}

  /* ---- avatars / photo fallback layers (same approach as v3) ---- */
  .pf{border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Poppins',sans-serif;font-weight:700;background-color:var(--photo);background-size:cover;background-position:center;flex-shrink:0;position:relative;overflow:hidden}
  .pf .ini{position:absolute;z-index:0;font-size:inherit;letter-spacing:.02em;color:#8C8880}
  .pf img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:1}
  .g4{background:linear-gradient(135deg,#12A87B,#6C4CF1)}
  .g6{background:linear-gradient(135deg,#F5A623,#EF2D56)}

  /* ---- rail + nav (identical brand furniture) ---- */
  .navlinks a.here{color:var(--red-deep);font-weight:700}

  /* ================================ HERO ================================ */
  .hero{position:relative;padding:44px 0 56px;isolation:isolate;overflow-x:clip}
  .hero::before{content:"";position:absolute;top:-8%;right:-12%;width:56%;height:80%;
    background:radial-gradient(closest-side,rgba(239,45,86,.14),rgba(245,166,35,.10) 55%,transparent 72%);
    filter:blur(16px);z-index:0;pointer-events:none;animation:heroGlow 11s ease-in-out infinite alternate}
  .hero .wrap{position:relative;z-index:1}
  .hero-grid{display:grid;grid-template-columns:.94fr 1.06fr;gap:44px;align-items:center}
  .hero h1{font-size:clamp(2.3rem,4.4vw,3.55rem);line-height:1.06;font-weight:800;letter-spacing:-.022em}
  .hero h1 .script{font-size:1.12em;line-height:1;
    /* Caveat swashes paint outside the em box; pad the paint area so nothing crops */
    display:inline-block;padding:.22em .18em .14em .08em;margin:-.22em -.18em -.14em -.08em}
  /* the editor's red pen: hand-drawn strike through "six tabs" */
  .cross svg{position:absolute;left:-3%;right:-3%;top:52%;width:106%;height:.42em;transform:translateY(-50%) rotate(-1.6deg);overflow:visible;pointer-events:none}
  .hero p.sub{margin:22px 0 28px;font-size:1.11rem;color:var(--gray);max-width:30rem}
  .hero p.sub b{color:var(--ink)}
  .hero-ctas{display:flex;gap:20px;flex-wrap:wrap;align-items:center}
  .hero-ctas .btn-red{box-shadow:0 10px 26px rgba(239,45,86,.28)}
  .hero-ctas .btn-red:hover{box-shadow:0 14px 32px rgba(239,45,86,.38)}
  .hero-alt{font-size:.92rem;color:var(--gray);max-width:16rem;line-height:1.45}
  .hero-alt a{color:var(--red-deep);font-weight:700;border-bottom:1.5px solid transparent;transition:border-color .15s ease}
  .hero-alt a:hover{border-bottom-color:var(--red-deep)}
  .trust-row{display:flex;align-items:center;gap:14px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}
  .pf-stack{display:flex}
  .pf-stack .pf{width:40px;height:40px;font-size:.72rem;margin-left:-10px;box-shadow:0 0 0 3px #fff}
  .pf-stack .pf:first-child{margin-left:0}
  .trust-row p{font-size:.88rem;color:var(--gray);max-width:21rem;line-height:1.5}
  .trust-row b{color:var(--ink)}
  /* hero illustration stage */
  .shellwrap{position:relative}
  .shellwrap .halo{position:absolute;top:52%;left:50%;transform:translate(-50%,-50%);width:118%;aspect-ratio:1.1;
    background:radial-gradient(closest-side,rgba(239,45,86,.10),rgba(245,166,35,.07) 52%,transparent 70%);z-index:0;pointer-events:none}
  .shellwrap .ill{position:relative;z-index:1;filter:drop-shadow(0 30px 46px rgba(21,21,28,.16))}
  .anno{position:absolute;z-index:3;font-family:'Caveat',cursive;font-weight:700;color:var(--red);line-height:1.15}
  .anno-shell{top:-52px;right:1%;font-size:clamp(1.15rem,1.6vw,1.45rem);max-width:11rem;transform:rotate(3deg);text-align:left}
  .anno-shell svg{position:absolute;top:96%;right:88%;width:56px;height:40px;overflow:visible}
  .anno-shell svg path,.anno-shell svg polyline{stroke:var(--red);stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
  @keyframes heroGlow{0%{transform:translateY(0) scale(1);opacity:.85}100%{transform:translateY(14px) scale(1.06);opacity:1}}
  @keyframes penDraw{to{stroke-dashoffset:0}}

  /* ---- replace chips strip ---- */
  .swap{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--soft);padding:20px 0}
  .swap-line{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
  .rchip{border:1px solid var(--line);background:#fff;border-radius:6px;padding:7px 13px;font-size:.8rem;color:var(--gray)}
  .rchip s{color:var(--gray);text-decoration-color:var(--red);text-decoration-thickness:2px;margin-right:6px}
  .rchip b{color:var(--ink)}

  /* ====================== PROOF LEDGER (ink band) ======================= */
  .ledger{background:var(--ink);color:#fff;padding:64px 0 58px}
  .ledger-eyebrow{color:#F7A8B8;font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;display:flex;align-items:center;gap:10px}
  .ledger-eyebrow::before{content:"";width:26px;height:2px;background:var(--red);flex:none}
  .ledger h2{font-size:clamp(1.35rem,2.3vw,1.8rem);font-weight:700;letter-spacing:-.01em;margin-bottom:36px;max-width:42rem}
  .ledger h2 .script{color:var(--amber)}
  .ledger-grid{display:grid;grid-template-columns:1.15fr 1fr 1.1fr;border-top:1px solid rgba(255,255,255,.16)}
  .lg-item{padding:30px 34px 6px 0}
  .lg-item + .lg-item{border-left:1px solid rgba(255,255,255,.16);padding-left:34px}
  .lg-item > b{display:block;font-family:'Poppins',sans-serif;font-weight:800;font-size:clamp(2.1rem,3.6vw,3.1rem);line-height:1.05;letter-spacing:-.02em;color:#fff;margin-bottom:10px;white-space:nowrap}
  .lg-item > b .arw{color:var(--amber);font-weight:700}
  .lg-item > b small{font-size:.45em;font-weight:700;color:#C9C9D2;letter-spacing:0}
  .lg-item > span{display:block;font-size:.88rem;color:#C9C9D2;line-height:1.55;max-width:19rem;padding-bottom:22px}
  .lg-item > span i{font-style:normal;color:#fff;font-weight:700}
  .ledger-foot{margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);font-size:.92rem;color:#C9C9D2}
  .ledger-foot b{color:#fff}
  .ledger-foot .script{color:var(--amber);font-size:1.25rem;margin-left:6px}

  /* ========================= TABBED DEMO ================================ */
  .demo{padding:92px 0 84px}
  .tabs{display:flex;gap:0;flex-wrap:wrap;border-bottom:1px solid var(--line)}
  .tab{font-family:'Poppins',sans-serif;font-weight:600;font-size:.9rem;padding:13px 24px;border:none;background:transparent;cursor:pointer;color:var(--gray);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s ease}
  .tab:hover{color:var(--ink)}
  .tab[aria-selected="true"]{color:var(--red-deep);border-bottom-color:var(--red)}
  .tab:focus-visible{outline:2px solid var(--ink);outline-offset:-2px}
  .demo-stage{background:#fff;border:1px solid var(--line);border-top:none;border-radius:0 0 var(--radius) var(--radius);overflow:hidden}
  /* Desktop: tabs go vertical beside a sticky stage; the tall .demo-scroll
     wrapper gives the scroll runway that drives pane switching (studio.js). */
  @media (min-width:901px){
    .demo-scroll{height:calc(4 * 90vh)}
    /* Full-viewport pin: while the section is pinned nothing else is on
       screen, so the surrounding page doesn't appear to slide away. */
    /* min-height (not height) lets the block grow past the viewport on short
       screens; `safe center` then aligns from the top instead of overlapping
       rows when content is taller than the pin. */
    .demo-sticky{position:sticky;top:0;min-height:100vh;min-height:100dvh;display:grid;grid-template-columns:180px 1fr;gap:30px 34px;align-items:center;align-content:safe center;padding:24px 0}
    .demo-head{grid-column:1/-1}
    .demo-head .sec-sub{margin-bottom:0}
    /* short laptops: shrink the stage so head + stage still fit in 100vh */
    @media (max-height:860px){
      .pane .ill{max-width:640px}
      .demo-head .sec-sub{font-size:.94rem}
      .demo-sticky{gap:20px 34px}
    }
    .tabs{flex-direction:column;flex-wrap:nowrap;border-bottom:none;border-left:1px solid var(--line);padding:6px 0}
    .tab{text-align:left;padding:11px 18px;margin-bottom:0;margin-left:-1px;border-left:2px solid transparent}
    .tab[aria-selected="true"]{border-bottom-color:transparent;border-left-color:var(--red)}
    .demo-stage{border-top:1px solid var(--line);border-radius:var(--radius)}
  }
  .stage-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--soft);border-bottom:1px solid var(--line);color:var(--gray);padding:11px 18px;font-size:.76rem}
  .stage-bar .url{font-family:monospace;font-size:0.86em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:inline-flex}
  .stage-bar .url b{opacity:.7;font-weight:inherit;background:var(--amber-tint);padding-inline:3px;color:var(--amber-deep);border-radius:3px}
  .stage-bar .url em{opacity:.6;font-style:normal}
  .badge{font-size:.62rem;font-weight:700;padding:4px 10px;border-radius:4px;letter-spacing:.06em;white-space:nowrap;font-family:'Poppins',sans-serif}
  .badge.pub{background:var(--amber);color:var(--ink)}
  .badge.sec{background:var(--red-deep);color:#fff}
  .badge.prv{background:var(--ink);color:#fff}
  .pane{display:none;padding:26px 26px 20px}
  .pane.active{display:block;animation:pane-in .45s cubic-bezier(.2,.7,.2,1)}
  @keyframes pane-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
  .pane .ill{max-width:860px;margin:0 auto;display:block}
  /* min-height reserves two caption lines so every pane is the same height —
     otherwise the centered 100vh grid re-centers and the heading jumps. */
  .pane-cap{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);text-align:center;font-size:.86rem;color:var(--gray);min-height:calc(3.2em + 14px)}
  .pane-cap b{color:var(--ink)}

  /* ========================= CAPABILITIES =============================== */
  .caps{padding:0 0 92px}
  .cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
  .cap{background:#fff;padding:26px 24px;transition:background .2s ease}
  .cap:hover{background:var(--soft)}
  .cap .glyph{width:44px;height:44px;margin-bottom:14px}
  .cap .glyph svg{display:block;width:100%;height:100%}
  .cap h3{font-size:1rem;margin-bottom:6px}
  .cap h3::after{content:"";display:block;width:26px;height:2px;background:var(--red);margin-top:9px}
  .cap p{font-size:.88rem;color:var(--gray);margin-top:10px;line-height:1.6}
  .cap p b{color:var(--ink)}

  /* ================== FEATURE SPLITS (Spotlight / Frameworks) =========== */
  .feat{padding:0 0 96px}
  .feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
  .feat-grid.flip .feat-copy{order:2}
  .feat-copy h2{font-size:clamp(1.55rem,2.8vw,2.15rem);font-weight:700;line-height:1.24;letter-spacing:-.01em;margin-bottom:14px}
  .feat-copy h2 .script{font-size:1.15em}
  .feat-copy p{color:var(--gray);font-size:1rem;max-width:28rem}
  .feat-copy p b{color:var(--ink)}
  .feat-list{list-style:none;margin-top:20px;border-top:1px solid var(--line);max-width:28rem}
  .feat-list li{padding:11px 0 11px 30px;font-size:.94rem;color:#3C3C46;border-bottom:1px solid var(--line);position:relative}
  .feat-list li::before{content:"";position:absolute;left:2px;top:19px;width:14px;height:8px;border-left:2.5px solid var(--red);border-bottom:2.5px solid var(--red);transform:rotate(-48deg)}
  .feat-list b{color:var(--ink)}
  .feat-art{position:relative}
  .feat-art .ill{filter:drop-shadow(0 22px 38px rgba(21,21,28,.13))}
  kbd{font-family:'Poppins',sans-serif;font-weight:600;font-size:.82em;background:var(--soft);border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:2px 7px;color:var(--ink)}
  .lazer-note{display:flex;gap:12px;align-items:center;margin-top:22px;background:var(--soft);border-left:3px solid var(--red);border-radius:0 10px 10px 0;padding:13px 16px;font-size:.86rem;color:#3C3C46;max-width:28rem}
  .lazer-note .pf{width:36px;height:36px;font-size:.62rem}
  .lazer-note b{color:var(--red-deep)}

  /* ========================= STACK TABLE ================================ */
  .stack{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:88px 0}
  .tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
  table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:640px}
  th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
  thead th{font-family:'Poppins',sans-serif;font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--gray);background:var(--soft)}
  th.up,td.up{background:#FFF8F9;text-align:center}
  thead th.up{color:var(--red-deep)}
  td.center{text-align:center;color:var(--gray)}
  td .yes{color:var(--red-deep);font-weight:700;font-family:'Poppins',sans-serif;white-space:nowrap}
  td .yes::before{content:"✓";font-weight:800;margin-right:6px}
  td .no{color:#63636D;font-weight:500;white-space:nowrap}
  td .no::before{content:"✕";font-weight:700;margin-right:6px;color:#63636D}
  tbody tr:last-child td{border-bottom:none}
  tbody tr:hover td{background:#FCFBFA}
  tbody tr:hover td.up{background:#FFF3F5}
  .stack-note{margin-top:16px;font-size:.88rem;color:var(--gray);text-align:center}
  .stack-note b{color:var(--ink)}

  /* ========================= SHARING ==================================== */
  .share{padding:92px 0 84px}
  .share-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
  /* flex column so the two cards' art panels share a height row-to-row */
  .share-card{display:flex;flex-direction:column;border-radius:var(--radius);background:#fff;border:1px solid var(--line);border-top:4px solid var(--amber);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease}
  .share-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(21,21,28,.10)}
  .share-card.share-sec{border-top-color:var(--red)}
  /* symmetric padding (was flush at the bottom) + center the SVG so both
     art panels can share one height without the artwork drifting */
  .share-art{background:var(--soft);border-bottom:1px solid var(--line);padding:22px;
    display:flex;align-items:center;justify-content:center}
  .share-art .ill{display:block;width:100%;max-width:360px;margin:0}
  .share-body{padding:22px 24px 24px}
  .share-card h3{font-size:1.08rem;margin-bottom:6px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .share-card .share-body > p{color:var(--gray);font-size:.9rem}
  .share-card ul{list-style:none;margin-top:14px;border-top:1px solid var(--line)}
  .share-card li{padding:9px 0;font-size:.89rem;color:#3C3C46;border-bottom:1px solid var(--line)}
  .share-card li:last-child{border-bottom:none}
  .mini-badge{font-size:.6rem;font-weight:700;padding:4px 9px;border-radius:4px;letter-spacing:.06em;font-family:'Poppins',sans-serif}
  .mb-pub{background:var(--amber);color:var(--ink)}
  .mb-sec{background:var(--red-deep);color:#fff}

  /* ========================= MOBILE BAND ================================ */
  .mobile{padding:0 0 96px}
  .mobile-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center}
  .mobile-art{display:flex;justify-content:center}
  .mobile-art .ill{width:min(250px,72%);filter:drop-shadow(0 24px 40px rgba(21,21,28,.16))}

  /* ========================= PRICING ==================================== */
  .pricing{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:88px 0}
  .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease}
  .pcard:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(21,21,28,.08)}
  .pcard.hot{border:2px solid var(--red);position:relative}
  .hot-tag{position:absolute;top:-11px;left:24px;background:var(--red);color:#fff;font-size:.62rem;font-weight:700;letter-spacing:.08em;padding:4px 12px;border-radius:3px;font-family:'Poppins',sans-serif}
  .pcard h3{color:var(--gray);text-transform:uppercase;letter-spacing:.08em;font-size:.76rem}
  .pcard .amount{font-family:'Poppins',sans-serif;font-weight:800;font-size:2.2rem;margin:10px 0 2px}
  .pcard .amount small{font-size:.42em;font-weight:600;color:var(--gray)}
  .pcard .per{font-size:.78rem;color:var(--gray);margin-bottom:16px}
  .pcard ul{list-style:none;flex:1;border-top:1px solid var(--line)}
  .pcard li{padding:9px 0;font-size:.87rem;color:#3C3C46;border-bottom:1px solid var(--line)}
  .pcard li:last-child{border-bottom:none}
  .pcard .btn{margin-top:20px;text-align:center}
  .master-band{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-left:3px solid var(--red);border-radius:10px;padding:24px 26px;margin-top:24px}
  .mb-tag{font-size:.64rem;font-weight:700;letter-spacing:.1em;color:var(--red-deep);margin-bottom:6px;font-family:'Poppins',sans-serif}
  .master-band h3{font-size:1.05rem;margin-bottom:6px}
  .master-band p{font-size:.88rem;color:var(--gray);line-height:1.65;max-width:44rem}
  .master-band p b{color:var(--ink)}
  .price-link{margin-top:18px;font-size:.9rem}
  .price-link a{color:var(--red-deep);font-weight:700;border-bottom:1.5px solid transparent;transition:border-color .15s ease}
  .price-link a:hover{border-bottom-color:var(--red-deep)}

  /* =========================== CLOSE ==================================== */
  .close{padding:96px 0 100px;text-align:center}
  .close h2{font-size:clamp(2rem,3.8vw,2.9rem);font-weight:800;line-height:1.12;letter-spacing:-.018em}
  .close h2 .script{font-size:1.18em;display:inline-block;padding:.22em .18em .14em .08em;margin:-.22em -.18em -.14em -.08em}
  .close p{margin:16px auto 30px;max-width:33rem;color:var(--gray);font-size:1.04rem}
  .close-alt{margin-top:22px;font-size:.92rem;color:var(--gray)}
  .close-alt a{color:var(--red-deep);font-weight:700;border-bottom:1.5px solid transparent;transition:border-color .15s ease}
  .close-alt a:hover{border-bottom-color:var(--red-deep)}

  /* ==================== illustration system ==================== */
  .ill{display:block;width:100%;height:auto}
  .ill text{font-family:'DM Sans',sans-serif;fill:#3C3C46}
  .ill .tt{font-family:'Poppins',sans-serif;font-weight:700;fill:#15151C}
  .ill .lbl{font-family:'Poppins',sans-serif;font-weight:700;fill:#6E6E78;letter-spacing:.08em}
  .ill .scr{font-family:'Caveat',cursive;font-weight:700;fill:#EF2D56}
  /* micro-animation: cursors drift, presence dots breathe, carets blink */
  .drift-a{animation:driftA 11s ease-in-out infinite}
  .drift-b{animation:driftB 13s ease-in-out infinite}
  @keyframes driftA{0%,100%{transform:translate(0,0)}30%{transform:translate(34px,-14px)}65%{transform:translate(10px,16px)}}
  @keyframes driftB{0%,100%{transform:translate(0,0)}35%{transform:translate(-26px,12px)}70%{transform:translate(-6px,-16px)}}
  .pulse{transform-box:fill-box;transform-origin:center;animation:dotPulse 2.6s ease-out infinite}
  @keyframes dotPulse{0%{transform:scale(.6);opacity:.75}70%{transform:scale(2.1);opacity:0}100%{transform:scale(2.1);opacity:0}}
  .caret{animation:caretBlink 1.1s steps(1) infinite}
  @keyframes caretBlink{0%,49%{opacity:1}50%,100%{opacity:0}}
  .bob{animation:bobY 6s ease-in-out infinite}
  @keyframes bobY{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

  /* ==================== responsive ==================== */
  @media (max-width:1000px){
    .cap-grid{grid-template-columns:repeat(2,1fr)}
  }
  @media (max-width:900px){
    .hero-grid,.feat-grid,.mobile-grid{grid-template-columns:1fr}
    .feat-grid.flip .feat-copy{order:0}
    .anno-shell{top:-38px;right:2%}
    .ledger-grid{grid-template-columns:1fr}
    .lg-item{padding:22px 0 0}
    .lg-item + .lg-item{border-left:none;border-top:1px solid rgba(255,255,255,.16);padding-left:0;padding-top:22px}
    .lg-item span{padding-bottom:16px}
    .share-grid,.price-grid{grid-template-columns:1fr}
    .mobile-grid{gap:36px}
    .mobile-art .ill{width:min(240px,80%)}
  }
  @media (max-width:640px){
    .cap-grid{grid-template-columns:1fr}
    .hero{padding-top:28px}
    .hero p.sub{font-size:1.03rem}
    .tabs{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
    .tabs::-webkit-scrollbar{display:none}
    .tab{padding:11px 16px;font-size:.84rem;white-space:nowrap;flex:none}
    .pane{padding:18px 14px 14px}
    .swap-line{justify-content:flex-start}
    .demo{padding:76px 0 68px}
  }

  /* ==================== reduced motion: everything still, instantly ===== */
  @media (prefers-reduced-motion: reduce){
    .hero::before{animation:none}
    .cross svg path{animation:none;stroke-dashoffset:0}
    .btn,.btn:hover,.cap,.pcard,.pcard:hover,.share-card,.share-card:hover{transition:none;transform:none}
    .drift-a,.drift-b,.pulse,.caret,.bob,.pane.active{animation:none}
    .pulse{opacity:0}
  }
  /* Master photograph spliced from studio.html (fallback: .ini initials) */