/* ============================================================
   SCENO — Landing (Brand Design System v2.0)
   Black / White / Signal(#8068D8) · Instrument Sans · one open O
   No pearl, no ivory, no gradients. System before effects.
   ============================================================ */

:root{
  --black:#000000;
  --white:#FFFFFF;
  --signal:#8068D8;

  /* neutrals derived from black/white opacity (not new brand colors) */
  --ink:#000000;
  --ink-2:rgba(0,0,0,.66);
  --ink-3:rgba(0,0,0,.45);
  --line:rgba(0,0,0,.12);
  --surf:rgba(0,0,0,.045);
  --on-dark:#FFFFFF;
  --on-dark-2:rgba(255,255,255,.70);
  --on-dark-3:rgba(255,255,255,.50);
  --line-d:rgba(255,255,255,.16);
  --surf-d:rgba(255,255,255,.06);
  --signal-soft:rgba(128,104,216,.14);

  --font:"Instrument Sans","Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Segoe UI",Arial,sans-serif;

  --nav:56px;
  --mx:clamp(20px,5vw,96px);
  --maxw:1440px;
  --editorial:760px;

  --r-micro:8px; --r-btn:10px; --r-card:16px; --r-panel:24px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav) + 24px);-webkit-text-size-adjust:100%}
body{
  background:var(--white);color:var(--ink);
  font-family:var(--font);font-weight:400;font-size:18px;line-height:1.62;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--signal);color:#fff}

/* ---------- layout ---------- */
.section{padding:clamp(72px,10vw,144px) 0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--mx)}
.dark{background:var(--black);color:var(--on-dark)}
.fog{background:#F4F4F4;color:var(--ink)}  /* = black 4.5% over white; used once to break consecutive white sections */
.light{background:var(--white);color:var(--ink)}

/* ---------- type scale (v2.0 §6.4) ---------- */
/* translation-tolerant wrapping: no manual <br>, balance headlines, pretty body,
   keep-all so Chrome's Korean breaks at spaces (not mid-word) */
h1,h2,h3,.hero-type,.dxl,.dlg,.dmd,.hero-head{text-wrap:balance}
p,.lead,.body,.body-lg,.body-sm,.hero-sub,.rtitle,.rdesc{text-wrap:pretty}
h1,h2,h3,.hero-type,.dxl,.dlg,.dmd,.hero-head,
p,.lead,.body,.body-lg,.body-sm,.hero-sub,.rtitle,.rdesc,.rstep b,.rstep small,.plat p,.ppoint p,.proof-item span{word-break:keep-all}
.hero-type{font-weight:500;font-size:clamp(38px,5.4vw,68px);line-height:1.02;letter-spacing:-.025em}
.dxl{font-weight:500;font-size:clamp(34px,4.4vw,54px);line-height:1.06;letter-spacing:-.02em}
.dlg{font-weight:500;font-size:clamp(30px,3.4vw,42px);line-height:1.1;letter-spacing:-.016em}
.dmd{font-weight:500;font-size:clamp(26px,2.4vw,32px);line-height:1.16;letter-spacing:-.01em}
.lead{font-weight:400;font-size:clamp(21px,1.9vw,26px);line-height:1.42;letter-spacing:-.005em}
.body-lg{font-size:20px;line-height:1.6}
.body{font-size:18px;line-height:1.62}
.body-sm{font-size:16px;line-height:1.55}
.cap{font-size:14px;line-height:1.45;letter-spacing:.005em}
.kicker{font-weight:500;font-size:13px;line-height:1.25;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3)}
.dark .kicker{color:var(--on-dark-3)}
.micro{font-size:12px;line-height:1.4;letter-spacing:.015em}
.sub{color:var(--ink-2)}
.dark .sub{color:var(--on-dark-2)}
.measure{max-width:62ch}
.editorial{max-width:var(--editorial)}

/* ---------- open-O symbol (reusable) ---------- */
.openo{width:1em;height:1em;flex:0 0 auto;color:currentColor}
.openo circle{fill:none;stroke:currentColor}

/* ---------- buttons (v2.0 §11) ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 20px;border-radius:var(--r-btn);
  font-weight:500;font-size:14px;line-height:1;letter-spacing:0;
  border:1px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform .12s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.btn.primary{background:var(--black);color:var(--white)}
.btn.primary:hover{background:rgba(0,0,0,.85)}
.btn.secondary{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.secondary:hover{border-color:rgba(0,0,0,.34)}
.dark .btn.primary{background:var(--white);color:var(--black)}
.dark .btn.primary:hover{background:rgba(255,255,255,.88)}
.dark .btn.secondary{color:var(--on-dark);border-color:var(--line-d)}
.dark .btn.secondary:hover{border-color:rgba(255,255,255,.4)}
.btn.signal{background:var(--signal);color:var(--black)}
.btn.signal:hover{background:#8f79e0}

/* ---------- nav (v2.0 §12) ---------- */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav);z-index:200;
  background:var(--white);border-bottom:1px solid transparent;transition:border-color .25s var(--ease)}
.nav.scrolled{border-bottom-color:var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;height:100%;padding:0 var(--mx);
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-logo{display:inline-flex;align-items:center}
.nav-logo img{height:22px;width:auto}
.nav-menu-cta{display:none}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;font-weight:500;font-size:14px;color:var(--ink-2);text-decoration:none;padding:6px 0;transition:color .2s var(--ease)}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--signal);border-radius:2px}
.nav-cta{min-height:40px;padding:10px 18px}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0;transition:.25s var(--ease)}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:flex;align-items:center;text-align:center;padding-top:var(--nav);background:var(--white)}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:72px var(--mx) 56px;width:100%;
  display:flex;flex-direction:column;align-items:center}
.hero-logo{width:min(46vw,400px)}
.hero-logo img{width:100%}
.hero-tag{margin-top:22px;font-weight:400;font-size:clamp(14px,1.4vw,17px);letter-spacing:.08em;text-transform:lowercase;color:var(--ink-3)}
.hero-kicker{margin-bottom:22px}
.hero-head{font-weight:500;font-size:clamp(36px,6vw,76px);line-height:1.04;letter-spacing:-.025em;max-width:16ch}
.hero-sub{margin-top:22px;max-width:min(46ch,100%);color:var(--ink-2)}
.hero-visual{margin-top:clamp(40px,5vw,56px);width:min(100%,620px)}
.hero-visual img{width:100%;border-radius:var(--r-panel);background:#f4f4f4;aspect-ratio:1535/1024;object-fit:cover}

/* ---------- proof strip (credibility) ---------- */
.proof{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--white)}
.proof-inner{max-width:var(--maxw);margin:0 auto;padding:clamp(28px,4vw,44px) var(--mx);list-style:none;
  display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,40px)}
.proof-item b{display:block;font-weight:500;font-size:clamp(20px,2.2vw,28px);letter-spacing:-.01em;line-height:1.05}
.proof-item span{display:block;margin-top:8px;color:var(--ink-2);font-size:14px;line-height:1.4}
@media(max-width:760px){.proof-inner{grid-template-columns:repeat(2,1fr);gap:26px}}

/* ---------- missing output (dark, scroll narrative §24) ---------- */
.io-head{max-width:var(--editorial);margin-bottom:clamp(48px,7vw,72px)}
.io-head h2{margin-top:18px}
.io-head p{margin-top:24px;color:var(--on-dark-2)}
.io-list{border-top:1px solid var(--line-d)}
.io-row{display:flex;align-items:center;gap:24px;padding:clamp(20px,3.2vw,34px) 0;border-bottom:1px solid var(--line-d);
  opacity:.42;transform:translateY(10px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.io-row.in{opacity:1;transform:none}
.io-index{width:34px;flex:0 0 auto;color:var(--on-dark-3);font-size:13px;font-variant-numeric:tabular-nums}
.io-mod{flex:1;font-weight:500;font-size:clamp(24px,3vw,38px);letter-spacing:-.02em}
.io-arrow{color:var(--on-dark-3);font-size:20px}
.io-out{display:inline-flex;align-items:center;gap:12px;min-width:clamp(150px,20vw,240px);justify-content:flex-end;
  font-weight:400;font-size:clamp(16px,1.7vw,21px);color:var(--on-dark-2)}
.io-row.scent .io-mod{color:#fff}
.io-row.scent .io-out{color:#fff;font-weight:500}
.io-row.scent .openo{font-size:clamp(20px,2.2vw,26px);color:var(--signal)}
.io-logo{height:clamp(18px,1.9vw,26px);width:auto}

/* ---------- section head (shared editorial) ---------- */
.s-head{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:end;margin-bottom:clamp(44px,6vw,66px)}
.s-head .kicker{margin-bottom:16px}
.s-head p{color:var(--ink-2);align-self:end}
.dark .s-head p{color:var(--on-dark-2)}
@media(max-width:860px){.s-head{grid-template-columns:1fr;gap:20px}}

/* ---------- research (white) §21 §22 ---------- */
.research-steps{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:40px}
.rstep{display:flex;align-items:center;gap:14px;flex:1;min-width:230px;
  padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-card);background:transparent;cursor:pointer;text-align:left;
  transition:border-color .2s var(--ease),background .2s var(--ease)}
.rstep:hover{border-color:rgba(0,0,0,.28)}
.rstep .rnum{width:30px;height:30px;flex:0 0 auto;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:12px;color:var(--ink-3);transition:.2s var(--ease)}
.rstep b{display:block;font-weight:500;font-size:17px}
.rstep small{display:block;color:var(--ink-3);font-size:13px;margin-top:2px}
.rstep.active{border-color:var(--ink)}
.rstep.active .rnum{background:var(--signal);border-color:var(--signal);color:#000}

.rshell{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rview{display:grid;grid-template-columns:1fr 1fr;gap:0}
.rcopy{padding:clamp(32px,4vw,52px) clamp(28px,3vw,44px) clamp(32px,4vw,52px) 0}
.rviz{padding:clamp(32px,4vw,52px) 0 clamp(32px,4vw,52px) clamp(28px,3vw,44px);border-left:1px solid var(--line);
  display:flex;flex-direction:column;justify-content:center}
.rbig{font-weight:500;font-size:clamp(58px,8vw,104px);line-height:1;letter-spacing:-.03em;margin:8px 0 18px}
.rtitle{font-weight:500;font-size:clamp(22px,2.2vw,28px);line-height:1.2;letter-spacing:-.01em}
.rdesc{margin-top:18px;color:var(--ink-2);max-width:52ch}
.rsource{margin-top:22px;color:var(--ink-3);font-size:13px;letter-spacing:.01em}
.rnext{display:inline-block;margin-top:30px;background:none;border:0;cursor:pointer;text-align:left;
  font-family:var(--font);font-weight:500;font-size:15px;color:var(--ink);padding:0}
.rnext span{display:inline-block;margin-left:6px;transition:transform .2s var(--ease)}
.rnext:hover span{transform:translateX(4px)}
@media(max-width:860px){.rview{grid-template-columns:1fr}.rcopy{padding-right:0}.rviz{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:36px;margin-top:8px}}

.rviz-title{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:22px}
.bar-stack{display:flex;flex-direction:column;gap:16px}
.bar-row{display:grid;grid-template-columns:132px 1fr auto;align-items:center;gap:16px}
.bar-row label{font-size:14px;color:var(--ink-2)}
.bar{height:8px;background:var(--surf);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;width:var(--w,0);background:var(--ink);border-radius:99px;transition:width .6s var(--ease)}
.bar-row.is-key i{background:var(--signal)}
.bar-val{font-size:14px;font-variant-numeric:tabular-nums;color:var(--ink);min-width:44px;text-align:right}
.dim-grid{display:flex;flex-direction:column;gap:14px}
.dim{display:grid;grid-template-columns:88px 1fr auto;align-items:center;gap:14px}
.dim label{font-size:14px;color:var(--ink-2)}
.dim span{height:8px;background:var(--surf);border-radius:99px;overflow:hidden}
.dim i{display:block;height:100%;background:var(--ink);border-radius:99px}
.dim:first-child i{background:var(--signal)}
.dim b{font-size:13px;font-weight:500;font-variant-numeric:tabular-nums;color:var(--ink-2)}
.rcallout{margin-top:26px;padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-card)}
.rcallout b{display:block;font-weight:500;font-size:15px}
.rcallout span{display:block;margin-top:6px;color:var(--ink-2);font-size:15px}

/* ---------- product (§13 safe area) ---------- */
.product-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(40px,6vw,88px);align-items:center}
@media(max-width:900px){.product-grid{grid-template-columns:1fr;gap:40px}}
.product-copy h2{margin-top:18px}
.product-copy .lead{margin-top:24px;color:var(--ink-2);max-width:46ch}
.product-points{margin-top:40px;display:flex;flex-direction:column;gap:22px}
.ppoint{display:flex;gap:16px}
.ppoint em{font-style:normal;font-variant-numeric:tabular-nums;color:var(--ink-3);font-size:14px;padding-top:2px;min-width:22px}
.ppoint b{font-weight:500;font-size:17px}
.ppoint p{color:var(--ink-2);font-size:16px;margin-top:4px;max-width:46ch}
.product-stage{position:relative}
.product-figure{position:relative;border-radius:var(--r-panel);overflow:hidden;background:#f4f4f4}
.product-figure img{width:100%;aspect-ratio:1535/1024;object-fit:cover}
.product-ui{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:22px}
.product-meta-label{font-size:12px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3)}
.product-name{font-weight:500;font-size:18px;margin-top:4px}
.product-desc{color:var(--ink-2);font-size:14px;margin-top:4px;max-width:40ch}
.prod-arrows{display:flex;gap:8px}
.prod-arrow{width:40px;height:40px;border-radius:var(--r-micro);border:1px solid var(--line);background:transparent;cursor:pointer;
  display:grid;place-items:center;font-size:16px;color:var(--ink);transition:border-color .2s var(--ease)}
.prod-arrow:hover{border-color:rgba(0,0,0,.3)}
.prod-dots{display:flex;gap:8px;margin-top:16px}
.prod-dot{width:8px;height:8px;border-radius:50%;border:0;background:var(--line);cursor:pointer;transition:background .2s var(--ease)}
.prod-dot.active{background:var(--signal)}

/* ---------- scenttrack (§20) ---------- */
.track-ui{border:1px solid var(--line);border-radius:var(--r-panel);padding:clamp(20px,2.4vw,32px);overflow:hidden}
.ruler{display:grid;grid-template-columns:repeat(5,1fr);padding-left:84px;margin-bottom:14px}
.ruler span{font-size:11px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.trow{display:flex;align-items:center;gap:0;margin-bottom:12px}
.trow:last-child{margin-bottom:0}
.tlabel{width:84px;flex:0 0 auto;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.lane{position:relative;flex:1;height:52px;background:var(--surf);border-radius:var(--r-micro)}
.clip{position:absolute;top:8px;height:36px;display:flex;align-items:center;padding:0 14px;border-radius:var(--r-micro);
  font-size:13px;background:#ececec;color:var(--ink-2);white-space:nowrap;overflow:hidden}
.clip.scent{background:#fff;border:1px solid var(--line);color:var(--ink);cursor:pointer;transition:box-shadow .2s var(--ease),border-color .2s var(--ease)}
.clip.scent.active{border-color:var(--signal);box-shadow:inset 0 0 0 1px var(--signal);color:var(--ink)}
.clip.scent.active::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--signal);margin-right:10px;flex:0 0 auto}
/* mobile: keep the real 3-lane timeline (same metaphor as desktop), compressed to fit 390px */
@media(max-width:720px){
  .track-ui{padding:16px 14px}
  .ruler{padding-left:50px;margin-bottom:10px}
  .ruler span{font-size:10px}
  .tlabel{width:50px;font-size:10px;letter-spacing:.04em}
  .lane{height:64px}
  .clip{top:6px;height:52px;padding:0 8px;font-size:11px;line-height:1.2;white-space:normal}
  .clip.scent{text-align:left}
  .clip.scent.active::before{width:6px;height:6px;margin-right:6px}
}

/* ---------- platform (dark) ---------- */
.platform-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(40px,6vw,80px)}
@media(max-width:900px){.platform-grid{grid-template-columns:1fr;gap:36px}}
.platform-list{display:flex;flex-direction:column}
.plat{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:26px 0;border-top:1px solid var(--line-d)}
.plat:last-child{border-bottom:1px solid var(--line-d)}
.plat h3{font-weight:500;font-size:20px}
.plat p{color:var(--on-dark-2);font-size:15px;margin-top:6px;max-width:52ch}
.plat em{font-style:normal;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--on-dark-3);flex:0 0 auto;padding-top:4px}

/* ---------- closing (white, signal accent §23.7) ---------- */
.closing{text-align:center;padding:clamp(96px,14vw,180px) 0}
.closing h2{max-width:14ch;margin:0 auto}
.closing p{margin:24px auto 0;color:var(--ink-2);max-width:40ch}
.closing .btn{margin-top:36px}

/* ---------- the scene (full-bleed exhibition photo, black) ---------- */
.scene{position:relative;min-height:min(92vh,860px);display:flex;align-items:center;background:var(--black);color:var(--on-dark);overflow:hidden}
.scene-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.scene-bg::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.38)}  /* flat scrim for legibility, no gradient (v2.0) */
.scene-inner{position:relative;z-index:1;width:100%;padding-top:clamp(72px,10vw,120px);padding-bottom:clamp(72px,10vw,120px)}
.scene .kicker{color:var(--on-dark-2)}
.scene-lead{margin-top:26px;font-size:clamp(20px,2.2vw,30px);line-height:1.4;color:rgba(255,255,255,.80);max-width:34ch}
.scene-lead .sig{white-space:nowrap}
.scene-head{margin-top:26px;font-weight:500;font-size:clamp(44px,7vw,104px);line-height:1.02;letter-spacing:-.03em;max-width:12ch}
.sig{color:var(--signal);font-weight:500}

/* ---------- try a scene (real pipeline outputs) ---------- */
.scene-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.scene-chip{font-family:var(--font);font-weight:500;font-size:15px;padding:10px 18px;border:1px solid var(--line);border-radius:99px;
  background:var(--white);color:var(--ink-2);cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease)}
.scene-chip:hover{border-color:rgba(0,0,0,.34);color:var(--ink)}
.scene-chip[aria-selected="true"]{border-color:var(--ink);color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.scene-chip:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.try-grid{display:grid;grid-template-columns:1fr 56px 1fr;border:1px solid var(--line);border-radius:var(--r-panel);padding:clamp(24px,3vw,44px)}
.try-arrow{align-self:center;justify-self:center;font-size:28px;color:var(--ink-3)}
.try-step{display:flex;gap:10px;align-items:baseline;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px}
.try-step span{color:var(--ink);font-variant-numeric:tabular-nums}
.try-prompt{font-weight:500;font-size:clamp(22px,2.2vw,30px);line-height:1.25;letter-spacing:-.01em;margin-bottom:36px;min-height:2.5em;text-wrap:balance}
.tr-row{display:grid;grid-template-columns:64px 1fr minmax(60px,120px) 40px;align-items:center;gap:12px;padding:7px 0}
.tr-row.grp{border-top:1px solid var(--line);margin-top:4px;padding-top:11px}
.tr-row:first-child{border-top:0;margin-top:0;padding-top:7px}
.tr-pos{font-size:11px;letter-spacing:.08em;color:var(--ink-3)}
.tr-note{font-size:15px}
.tr-bar{height:6px;background:var(--surf);border-radius:99px;overflow:hidden}
.tr-bar i{display:block;height:100%;background:var(--ink);border-radius:99px;transition:width .5s var(--ease)}
.tr-pct{text-align:right;font-size:14px;font-variant-numeric:tabular-nums;color:var(--ink-2)}
.cart-row{display:grid;grid-template-columns:1fr auto 18px;align-items:center;gap:16px;padding:13px 0;border-top:1px solid var(--line)}
.cart-row:first-child{border-top:0}
.cart-lab b{display:block;font-weight:500;font-size:15px;transition:color .3s var(--ease)}
.cart-lab small{display:block;font-size:13px;color:var(--ink-3)}
.cart-row.off .cart-lab b{color:var(--ink-3)}
.segs{display:flex;gap:6px}
.seg{width:34px;height:14px;border-radius:4px;background:var(--surf);transition:background .35s var(--ease)}
.seg.on{background:var(--signal)}
.seg:nth-child(2){transition-delay:.05s}.seg:nth-child(3){transition-delay:.1s}.seg:nth-child(4){transition-delay:.15s}
.cart-lv{text-align:right;font-size:14px;font-variant-numeric:tabular-nums}
.try-meta{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.try-note{margin-top:18px;font-size:13px;color:var(--ink-3)}
@media(max-width:860px){
  .try-grid{grid-template-columns:1fr}
  .try-arrow{transform:rotate(90deg);margin:18px 0}
  .seg{width:26px}
}

/* ---------- use cases (black) ---------- */
.use-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,28px)}
.use-img{aspect-ratio:4/3;background-size:cover;background-position:center;border-radius:var(--r-card)}
.use h3{font-weight:500;font-size:20px;margin-top:20px}
.use p{color:var(--on-dark-2);font-size:15px;margin-top:8px;max-width:40ch}
@media(max-width:860px){.use-grid{grid-template-columns:1fr;gap:36px}}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:40px 0}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:0 var(--mx);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer img{height:15px;width:auto;opacity:.9}
.footer .micro{color:var(--ink-3)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:block}
  .nav.open .nav-links{display:flex;position:absolute;top:var(--nav);left:0;right:0;flex-direction:column;
    align-items:stretch;gap:0;background:var(--white);border-bottom:1px solid var(--line);padding:8px var(--mx) 20px}
  .nav.open .nav-links a:not(.nav-menu-cta){display:block;width:100%;text-align:left;padding:15px 2px;color:var(--ink);border-bottom:1px solid var(--line)}
  .nav.open .nav-links a.active::after{display:none}
  .nav.open .nav-menu-cta{display:inline-flex;justify-content:center;width:100%;margin-top:14px;padding:14px 20px}
  .io-index{display:none}
  .bar-row{grid-template-columns:124px 1fr auto;gap:12px}
  .bar-row label{font-size:13px;white-space:nowrap}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal,.io-row{opacity:1!important;transform:none!important;transition:none!important}
  .btn:active{transform:none}
}