/* ═══ BUTTONS ════════════════════════════════════════════════════ */
.btn{
  --b:14px;
  position:relative; display:inline-flex; padding:1px;
  clip-path:polygon(0 0, calc(100% - var(--b)) 0, 100% var(--b), 100% 100%, var(--b) 100%, 0 calc(100% - var(--b)));
  background:var(--rule-lit);
  transition:background var(--dur) var(--ease);
}
.btn__in{
  --b:13px;
  position:relative; overflow:hidden;
  clip-path:polygon(0 0, calc(100% - var(--b)) 0, 100% var(--b), 100% 100%, var(--b) 100%, 0 calc(100% - var(--b)));
  display:flex; align-items:center; gap:14px;
  padding:clamp(13px,1.3vw,17px) clamp(20px,2vw,28px);
  background:rgba(var(--scrim),.72);
  -webkit-backdrop-filter:blur(14px);
          backdrop-filter:blur(14px);
  font-family:var(--f-mono); font-size:var(--t-micro); font-weight:300;
  letter-spacing:var(--track-mono); text-transform:uppercase;
  color:var(--ice); white-space:nowrap;
  transition:color var(--dur) var(--ease);
}
/* diagonal sweep */
.btn__in::before{
  content:''; position:absolute; inset:-2px;
  background:linear-gradient(108deg,var(--signal-hot),var(--signal));
  transform:translateX(-101%) skewX(-12deg);
  transition:transform .52s var(--ease-out);
  z-index:-1;
}
.btn:hover{ background:var(--signal); }
.btn:hover .btn__in{ color:var(--on-signal); }
.btn:hover .btn__in::before{ transform:translateX(0) skewX(-12deg); }
.btn__in > *{ position:relative; }
.btn svg{ width:12px; transition:transform .42s var(--ease-out); }
.btn:hover svg{ transform:translate(4px,-4px); }

/* quiet variant */
.btn--ink{ background:var(--rule); }
.btn--ink .btn__in{ background:transparent; color:var(--ice-soft); }
.btn--ink:hover{ background:var(--rule-hot); }
.btn--ink:hover .btn__in{ color:var(--on-signal); }

/* ── the large call to action ─────────────────────────────────── */
.btn--lg{ --b:20px; }
.btn--lg .btn__in{
  --b:19px;
  padding:clamp(17px,1.7vw,23px) clamp(26px,2.4vw,40px);
  font-size:var(--t-small); letter-spacing:.17em;
  gap:18px;
}
.btn--lg svg{ width:14px; }

/* solid accent */
.btn--fill{
  background:var(--signal);
  box-shadow:0 10px 34px -14px rgba(143,216,240,.55);
  transition:background var(--dur) var(--ease), box-shadow var(--dur) var(--ease), translate var(--dur) var(--ease);
}
.btn--fill:hover{ box-shadow:0 20px 60px -16px rgba(143,216,240,.75); translate:0 -2px; }
.btn--fill .btn__in{ background:var(--signal); color:var(--on-signal); }
.btn--fill .btn__in::before{ background:linear-gradient(108deg,var(--signal-deep),var(--signal-hot)); }
.btn--fill:hover .btn__in{ color:var(--on-signal); }

/* ── text link with a drawn underline ─────────────────────────── */
.link{
  position:relative; display:inline-flex; align-items:center; gap:9px;
  font-family:var(--f-mono); font-size:var(--t-micro); font-weight:300;
  letter-spacing:var(--track-mono); text-transform:uppercase;
  padding-bottom:4px;
}
.link::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:100%;
  background:currentColor; transform:scaleX(0); transform-origin:right;
  transition:transform .45s var(--ease-out);
}
.link:hover::after{ transform:scaleX(1); transform-origin:left; }
.link svg{ width:11px; transition:transform .42s var(--ease-out); }
.link:hover svg{ transform:translate(3px,-3px); }

/* ── nav link: character mask swap ────────────────────────────── */
.nav{
  display:block; overflow:hidden; height:1.15em;
  font-family:var(--f-mono); font-size:var(--t-micro); font-weight:300;
  letter-spacing:var(--track-mono); text-transform:uppercase;
  color:var(--ice-soft);
}
.nav span{
  display:block; height:1.15em; line-height:1.15em;
  transition:transform .48s var(--ease-out);
}
.nav span:last-child{ color:var(--signal); }
.nav:hover span{ transform:translateY(-100%); }

/* ── top bar ──────────────────────────────────────────────────── */
.bar{
  display:flex; align-items:center; justify-content:space-between;
  gap:24px;
  padding:clamp(16px,1.8vw,28px) var(--gutter);
}
.bar__nav{ display:flex; align-items:center; gap:clamp(20px,2.4vw,38px); }

/* ── logo ─────────────────────────────────────────────────────── */
.logo{ display:flex; align-items:center; gap:11px; }
.logo__mark{ width:19px; flex:none; color:var(--signal); }
.logo__mark .aperture{ transition:opacity .5s var(--ease); }
.logo:hover .aperture{ opacity:.45; }
.logo__mark .mirror{ transition:transform .5s var(--ease-out); transform-origin:center 62%; }
.logo:hover .mirror{ transform:scaleY(1.7); }
.logo__word{
  font-family:var(--f-display); font-weight:200; font-size:.92rem;
  letter-spacing:.28em; text-transform:uppercase; color:var(--ice);
  white-space:nowrap;
}
.logo__word sup{ font-size:.5em; letter-spacing:0; opacity:.5; margin-left:2px; }


/* ── the pointer ring ─────────────────────────────────────────── */
.ring{
  position:fixed; top:0; left:0; z-index:99;
  width:26px; height:26px; margin:-13px 0 0 -13px;
  border:1px solid var(--rule-lit); border-radius:50%;
  pointer-events:none; opacity:0;
  transition:width .3s var(--ease-out), height .3s var(--ease-out),
             margin .3s var(--ease-out), opacity .3s var(--ease),
             background .3s var(--ease), border-color .3s var(--ease);
}
.ring.on{ opacity:1; }
.ring.grab{
  width:56px; height:56px; margin:-28px 0 0 -28px;
  background:rgba(143,216,240,.12); border-color:var(--signal);
}
.ring.dark{ border-color:var(--rule-lit); }
@media (hover:none),(prefers-reduced-motion:reduce){ .ring{ display:none; } }

/* ── scroll reveal ────────────────────────────────────────────── */
.rv{ opacity:0; transform:translateY(22px); transition:opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.rv.in{ opacity:1; transform:none; }
.rv-d1{ transition-delay:.08s; } .rv-d2{ transition-delay:.16s; }
.rv-d3{ transition-delay:.24s; } .rv-d4{ transition-delay:.32s; }
.rv-d5{ transition-delay:.40s; } .rv-d6{ transition-delay:.48s; }

/* per-word headline reveal */
.rvw{ display:inline-block; overflow:hidden; vertical-align:bottom; }
.rvw > i{
  display:inline-block; font-style:normal;
  transform:translateY(103%);
  transition:transform .85s var(--ease-out);
}
.in .rvw > i, .rvw.in > i{ transform:none; }
.rvw:nth-child(1) > i{ transition-delay:.02s; }
.rvw:nth-child(2) > i{ transition-delay:.08s; }
.rvw:nth-child(3) > i{ transition-delay:.14s; }
.rvw:nth-child(4) > i{ transition-delay:.20s; }
.rvw:nth-child(5) > i{ transition-delay:.26s; }
.rvw:nth-child(6) > i{ transition-delay:.32s; }

@media (prefers-reduced-motion:reduce){
  .rv{ opacity:1; transform:none; }
  .rvw > i{ transform:none; }
}