/* =============================================================================
   ACME MERIDIAN — design system
   Monochrome by intent. The opacity ladder (1 / .92 / .45 / .36 / .28) is lifted
   straight off the business card so print and screen read as one identity.
   ========================================================================== */

@font-face{font-family:'Inter V';src:url('assets/fonts/inter-var.woff2')format('woff2');
           font-weight:100 900;font-display:swap;font-style:normal}
@font-face{font-family:'Cormorant V';src:url('assets/fonts/cormorant-var.woff2')format('woff2');
           font-weight:300 700;font-display:swap;font-style:normal}
@font-face{font-family:'Cinzel V';src:url('assets/fonts/cinzel-var.woff2')format('woff2');
           font-weight:400 900;font-display:swap;font-style:normal}

:root{
  --ink:#0b0b0b;              /* card black */
  --surface:#151515;          /* card squircle */
  --surface-2:#1c1c1c;
  --paper:#ffffff;
  --paper-2:#f4f4f4;

  /* Text ladder. The card's print ladder (1/.92/.45/.36/.28) is warmed up here
     so every level clears WCAG AA against #0b0b0b — .36 measured 3.5:1, .28 2.4:1. */
  --t1:#ffffff;              /* 21:1  */
  --t2:rgba(255,255,255,.92);/* 18:1  */
  --t3:rgba(255,255,255,.62);/* 7.4:1 */
  --t4:rgba(255,255,255,.50);/* 5.2:1 */
  --t5:rgba(255,255,255,.45);/* 4.6:1 */
  --line:rgba(255,255,255,.14);
  --line-soft:rgba(255,255,255,.07);

  --l1:#0b0b0b;
  --l3:rgba(11,11,11,.62);   /* 5.4:1 on white */
  --l4:rgba(11,11,11,.58);   /* 4.9:1 on white */
  --lline:rgba(11,11,11,.14);

  --wordmark:Optima,'Optima nova','Cinzel V',Georgia,serif;
  --display:'Cormorant V',Cormorant Garamond,Georgia,serif;
  --sans:'Inter V',-apple-system,BlinkMacSystemFont,'Helvetica Neue',Helvetica,Arial,sans-serif;

  --gut:clamp(1.5rem,5vw,5rem);      /* page gutter */
  --stack:clamp(6rem,13vh,11rem);    /* vertical rhythm between sections */
  --maxw:1360px;

  --ease:cubic-bezier(.22,1,.36,1);
  --ease-io:cubic-bezier(.65,.05,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--t2);
  font-family:var(--sans);font-weight:300;font-size:clamp(15px,.55vw + 13px,17px);
  line-height:1.65;letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:#fff;color:var(--ink)}

/* ---------------------------------------------------------------- primitives */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.section{padding-block:var(--stack);position:relative}
.rule{height:1px;background:var(--line);border:0;margin:0}

.eyebrow{
  font-size:clamp(9px,.28vw + 8px,10.5px);font-weight:400;text-transform:uppercase;
  letter-spacing:.42em;color:var(--t4);margin:0 0 1.6rem;
  display:flex;align-items:center;gap:.9rem;
}
.eyebrow::before{content:"";width:1.6rem;height:1px;background:currentColor;flex:none;opacity:.6}
.eyebrow.plain::before{display:none}

h1,h2,h3{font-family:var(--display);font-weight:300;letter-spacing:-.02em;
         line-height:1.04;margin:0;color:var(--t1)}
h1{font-size:clamp(2.7rem,6.4vw,5.6rem)}
h2{font-size:clamp(2.3rem,5vw,4.2rem)}
h3{font-size:clamp(1.35rem,1.6vw,1.8rem);line-height:1.2}
p{margin:0 0 1.1em}
.lede{font-size:clamp(1.02rem,.6vw + .9rem,1.24rem);color:var(--t3);
      max-width:56ch;line-height:1.62}

/* ---------------------------------------------------------------- wordmark */
.wordmark{
  font-family:var(--wordmark);font-weight:400;text-transform:uppercase;
  letter-spacing:.17em;padding-left:.17em;color:var(--t1);white-space:nowrap;
}
.mark{width:1.55em;height:1.55em;flex:none}
.mark rect{fill:var(--surface)}
.mark path{stroke:var(--t1)}

/* ---------------------------------------------------------------- buttons */
.btn{
  --bg:transparent;--fg:var(--t1);--bd:var(--t5);
  position:relative;display:inline-flex;align-items:center;gap:.75rem;
  padding:1rem 1.7rem;border:1px solid var(--bd);border-radius:100px;
  background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:.83rem;
  font-weight:400;letter-spacing:.09em;text-transform:uppercase;cursor:pointer;
  overflow:hidden;isolation:isolate;
  transition:color .45s var(--ease),border-color .45s var(--ease);
  will-change:transform;
}
.btn::before{
  content:"";position:absolute;inset:0;z-index:-1;background:var(--t1);
  transform:scaleY(0);transform-origin:bottom;transition:transform .5s var(--ease);
}
.btn:hover{color:var(--ink);border-color:var(--t1)}
.btn:hover::before{transform:scaleY(1);transform-origin:top}
.btn.solid{--bg:var(--t1);--fg:var(--ink);--bd:var(--t1)}
.btn.solid::before{background:transparent}
.btn.solid:hover{color:var(--ink);opacity:.86}
.btn .ar{transition:transform .45s var(--ease)}
.btn:hover .ar{transform:translateX(4px)}
.btn:focus-visible{outline:2px solid #fff;outline-offset:3px}

/* ---------------------------------------------------------------- nav */
.nav{
  position:fixed;inset:0 0 auto;z-index:60;
  transition:background .5s var(--ease),border-color .5s var(--ease),backdrop-filter .5s;
  border-bottom:1px solid transparent;
}
.nav.stuck{background:rgba(11,11,11,.72);backdrop-filter:blur(20px) saturate(160%);
           -webkit-backdrop-filter:blur(20px) saturate(160%);border-bottom-color:var(--line-soft)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;
           gap:2rem;height:clamp(64px,7vw,84px)}
.nav-brand{display:flex;align-items:center;gap:.72rem;font-size:clamp(.86rem,1.1vw,1.02rem)}
.nav-links{display:flex;align-items:center;gap:clamp(1.2rem,2.4vw,2.4rem);
           font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--t3)}
.nav-links a{position:relative;padding-block:.4rem;transition:color .35s var(--ease)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
                    background:currentColor;transform:scaleX(0);transform-origin:right;
                    transition:transform .45s var(--ease)}
.nav-links a:hover{color:var(--t1)}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav .btn{padding:.7rem 1.25rem;font-size:.74rem}
.nav-toggle{display:none;background:none;border:0;color:inherit;cursor:pointer;padding:.5rem}

#progress{position:fixed;top:0;left:0;height:1px;background:var(--t1);z-index:70;
          width:0;transition:width .12s linear}

/* ---------------------------------------------------------------- hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;
      padding-top:clamp(84px,10vw,120px);padding-bottom:clamp(5.5rem,13vh,8.5rem);
      overflow:hidden}
#meridians{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.85}
.hero .wrap{position:relative;z-index:1;width:100%}
.hero h1{max-width:16ch;margin-bottom:1.6rem}
.hero h1 em{font-style:normal;font-family:var(--wordmark);font-size:.78em;
            letter-spacing:.06em;text-transform:uppercase}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2.2rem}
.hero-foot{position:absolute;left:0;right:0;bottom:clamp(1.5rem,4vh,2.6rem);z-index:1}
.hero-foot .wrap{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;
                 font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;
                 color:var(--t5)}
.scroll-cue{display:flex;align-items:center;gap:.7rem}
.scroll-cue i{display:block;width:1px;height:34px;background:linear-gradient(
  to bottom,var(--t4),transparent);position:relative;overflow:hidden}
.scroll-cue i::after{content:"";position:absolute;inset:0;background:var(--t1);
                     animation:cue 2.4s var(--ease-io) infinite}
@keyframes cue{0%{transform:translateY(-100%)}60%,100%{transform:translateY(100%)}}

/* ---------------------------------------------------------------- marquee */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding-block:1.05rem}
.marquee-label{font-size:clamp(8.5px,.24vw + 7.5px,9.5px);text-transform:uppercase;
  letter-spacing:.42em;color:var(--t4);margin:0 0 .85rem;text-align:center;
  padding-left:.42em}
.marquee ul{display:flex;gap:3.2rem;list-style:none;margin:0;padding:0;width:max-content;
            animation:slide 46s linear infinite;
            mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
            -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee:hover ul{animation-play-state:paused}
.marquee li{font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;
            color:var(--t4);white-space:nowrap;display:flex;align-items:center;gap:3.2rem}
.marquee li::after{content:"";width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.5}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------------------------------------------------------------- statement */
.statement p{font-family:var(--display);font-size:clamp(1.7rem,3.3vw,2.9rem);
             line-height:1.28;color:var(--t1);max-width:22ch;font-weight:300}
.statement .sub{font-family:var(--sans);font-size:1rem;line-height:1.7;
                color:var(--t3);max-width:46ch;margin-top:2rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,6rem);align-items:start}

/* ---------------------------------------------------------------- capabilities */
.cap{display:block;border-top:1px solid var(--line);position:relative;isolation:isolate}
.cap:last-of-type{border-bottom:1px solid var(--line)}
.cap-in{display:grid;grid-template-columns:5.5rem minmax(0,1fr) minmax(0,1.15fr) 3rem;
        gap:clamp(1rem,3vw,2.5rem);align-items:baseline;
        padding-block:clamp(1.8rem,3.4vw,2.9rem);transition:padding-left .6s var(--ease)}
.cap:hover .cap-in{padding-left:clamp(.6rem,1.6vw,1.6rem)}
.cap::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--line-soft);
             transform:scaleY(0);transform-origin:bottom;transition:transform .55s var(--ease)}
.cap:hover::before{transform:scaleY(1);transform-origin:top}
.cap-num{font-size:.72rem;letter-spacing:.2em;color:var(--t4);
         font-variant-numeric:tabular-nums;transition:color .5s var(--ease)}
.cap:hover .cap-num{color:var(--t1)}
.cap h3{transition:transform .6s var(--ease)}
.cap p{color:var(--t3);margin:0;font-size:.95rem;line-height:1.66}
.cap-ar{justify-self:end;color:var(--t4);opacity:0;transform:translateX(-8px);
        transition:opacity .5s var(--ease),transform .5s var(--ease)}
.cap:hover .cap-ar{opacity:1;transform:none;color:var(--t1)}

/* ---------------------------------------------------------------- process */
.proc{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
      gap:1px;background:var(--line);border:1px solid var(--line)}
.proc>div{background:var(--ink);padding:clamp(1.6rem,2.6vw,2.4rem);
          transition:background .5s var(--ease)}
.proc>div:hover{background:var(--surface)}
.proc .n{font-size:.72rem;letter-spacing:.2em;color:var(--t4);
         font-variant-numeric:tabular-nums;display:block;margin-bottom:1.6rem}
.proc h3{font-family:var(--sans);font-weight:400;font-size:1.02rem;letter-spacing:0;
         margin-bottom:.7rem}
.proc p{color:var(--t3);font-size:.9rem;margin:0;line-height:1.6}

/* ---------------------------------------------------------------- the card */
#card{position:relative;overflow:hidden}
#card::before{content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 60% at 50% 42%,rgba(255,255,255,.055),transparent 70%);
  pointer-events:none}
.cardzone{display:grid;place-items:center;gap:2.2rem;position:relative}
.card3d{width:min(90vw,720px);aspect-ratio:1.75;perspective:1800px;cursor:pointer;
        background:none;border:0;padding:0;display:block}
.card3d-tilt{position:relative;width:100%;height:100%;transform-style:preserve-3d;
             will-change:transform}
.card3d-in{position:relative;width:100%;height:100%;transform-style:preserve-3d;
           transition:transform 1.05s var(--ease);will-change:transform}
.card3d.flipped .card3d-in{transform:rotateY(180deg)}
.card3d-face{position:absolute;inset:0;backface-visibility:hidden;
             -webkit-backface-visibility:hidden;border-radius:3.24%/5.67%;overflow:hidden;
             box-shadow:0 30px 70px -20px rgba(0,0,0,.85),0 0 0 1px var(--line-soft)}
.card3d-face svg{width:100%;height:100%}
.card3d-back{transform:rotateY(180deg)}
.card-hint{font-size:.7rem;letter-spacing:.28em;text-transform:uppercase;color:var(--t4)}
.card-dl{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center}

/* ---------------------------------------------------------------- contact */
.contact{text-align:center}
.mailto{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--display);
        font-weight:300;font-size:clamp(1.6rem,5.2vw,3.4rem);color:var(--t1);
        letter-spacing:-.01em;position:relative;padding-bottom:.12em;word-break:break-word}
.mailto::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
               background:currentColor;transform:scaleX(0);transform-origin:right;
               transition:transform .6s var(--ease)}
.mailto:hover::after{transform:scaleX(1);transform-origin:left}
.copy{margin-top:2rem;display:inline-flex;align-items:center;gap:.55rem;
      background:none;border:0;color:var(--t4);font-family:var(--sans);
      font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;cursor:pointer;
      transition:color .35s var(--ease)}
.copy:hover{color:var(--t1)}
.copy[data-done="1"]{color:var(--t1)}

/* ---------------------------------------------------------------- footer */
.foot{border-top:1px solid var(--line);padding-block:clamp(2.5rem,5vw,4rem)}
.foot-top{display:flex;flex-wrap:wrap;gap:2rem;justify-content:space-between;align-items:flex-start}
.foot-links{display:flex;flex-wrap:wrap;gap:1.6rem;font-size:.74rem;letter-spacing:.16em;
            text-transform:uppercase;color:var(--t3)}
.foot-links a:hover{color:var(--t1)}
.foot-legal{margin-top:clamp(2rem,4vw,3rem);font-size:.72rem;line-height:1.9;
            color:var(--t5);letter-spacing:.03em}

/* ---------------------------------------------------------------- reveal */
.js [data-reveal]{opacity:0;transform:translateY(22px);
              transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js [data-reveal].in{opacity:1;transform:none}
.js [data-reveal][data-d="1"]{transition-delay:.08s}
.js [data-reveal][data-d="2"]{transition-delay:.16s}
.js [data-reveal][data-d="3"]{transition-delay:.24s}
.js [data-reveal][data-d="4"]{transition-delay:.32s}

/* ---------------------------------------------------------------- legal pages */
.doc{padding-top:clamp(112px,12vw,150px)}
.doc h1{font-size:clamp(2.2rem,5vw,3.6rem);margin-bottom:1rem}
.doc .updated{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
              color:var(--t4);margin-bottom:clamp(2.5rem,5vw,4rem)}
.doc article{max-width:74ch}
.doc h2{font-family:var(--sans);font-weight:400;font-size:1.12rem;letter-spacing:.01em;
        margin:2.9rem 0 .9rem;color:var(--t1)}
.doc p,.doc li{color:var(--t3);font-size:.97rem;line-height:1.78}
.doc ul{padding-left:1.1rem;margin:0 0 1.1em}
.doc li{margin-bottom:.45em}
.doc a{color:var(--t1);text-decoration:underline;text-underline-offset:3px;
       text-decoration-color:var(--t4)}
.doc a:hover{text-decoration-color:var(--t1)}
.doc strong{color:var(--t2);font-weight:500}
.doc .toc{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:3rem}
.doc .toc a{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
            padding:.42rem .85rem;border:1px solid var(--line);border-radius:100px;
            color:var(--t3);text-decoration:none;transition:.35s var(--ease)}
.doc .toc a:hover{border-color:var(--t4);color:var(--t1)}

/* ---------------------------------------------------------------- responsive */
@media (max-width:900px){
  .split{grid-template-columns:1fr}
  .cap-in{grid-template-columns:3.2rem 1fr;row-gap:.6rem}
  .cap-in p{grid-column:2}
  .cap-ar{display:none}
  .nav-links{display:none}
  .nav .btn{display:none}          /* wraps to two lines at this width; the menu covers it */
  .nav-links.open{display:flex;position:fixed;inset:0;background:rgba(11,11,11,.985);
    backdrop-filter:blur(20px);flex-direction:column;justify-content:center;
    align-items:center;gap:2rem;font-size:1.1rem;letter-spacing:.2em;z-index:65}
  .nav-toggle{display:block;z-index:66;position:relative}
  .hero-foot .wrap{font-size:.6rem;letter-spacing:.2em}
  .hero-foot .meta{display:none}
}
@media (max-width:560px){
  .btn{padding:.9rem 1.3rem;font-size:.76rem}
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
                       transition-duration:.001ms!important}
  [data-reveal]{opacity:1;transform:none}
  #meridians{display:none}
}