/* =====================================================================
   TILTLAB, makepill-inspired (aesthetic borrowed, not official material)
   One theme (dark), one accent (brand lime), one shape rule:
   pills for anything you press, 8px for tiles and photos.
   z-index scale: header 100, mobile sheet 200.
   ===================================================================== */
:root{
  --bg:#0f0f0f;
  --fg:#f2f1ed;
  --acid:#C8F050;                       /* TiltLab brand lime, kept from the original site */
  --dim:rgba(242,241,237,.62);
  --faint:rgba(242,241,237,.14);
  --tile:#171717;
  --r:8px;
  --sans:'Geist','Helvetica Neue',Arial,sans-serif;
  --m:clamp(20px,3.6vw,52px);
  --maxw:1480px;
  --ease:cubic-bezier(.16,1,.3,1);
  --head:68px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg);scroll-behavior:smooth;scroll-padding-top:var(--head);-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-weight:400;font-size:clamp(15px,1.05vw,16px);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
::selection{background:var(--acid);color:var(--bg)}
:focus-visible{outline:2px solid var(--acid);outline-offset:4px}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}

.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:12px;width:min(100% - 2*var(--m),var(--maxw));margin-inline:auto}
.slash{font-size:clamp(14px,1.1vw,16px);color:var(--dim)}
.h2{font-weight:400;font-size:clamp(28px,3.6vw,56px);line-height:1.04;letter-spacing:-.04em;text-wrap:balance}
.u{position:relative;display:inline-block;padding-bottom:1px}
.u::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform-origin:right;transition:transform .5s var(--ease)}
.u:hover::after{transform:scaleX(0)}

/* ---------- header (one line, solid, 68px) ---------- */
.top{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--head);background:rgba(15,15,15,.78);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--faint)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:100%;width:min(100% - 2*var(--m),var(--maxw));margin-inline:auto}
.mark{font-size:22px;font-weight:600;letter-spacing:-.04em;line-height:1}
.mark span{color:var(--acid)}
.top nav{display:flex;align-items:center;gap:clamp(18px,2.2vw,36px);font-size:15px}
.top nav a:not(.pill){color:var(--dim);transition:color .15s linear;white-space:nowrap}
.top nav a:not(.pill):hover{color:var(--fg)}
.menu-btn{display:none;height:44px;padding:0 4px;font-size:15px}
.sheet{position:fixed;inset:0;z-index:200;background:var(--bg);padding:96px var(--m) 40px;display:none;flex-direction:column;justify-content:space-between}
.sheet.open{display:flex}
.sheet nav a{display:block;font-size:clamp(38px,11vw,60px);letter-spacing:-.045em;line-height:1.1;padding:8px 0}
.sheet .x{position:absolute;top:12px;right:var(--m);height:44px;font-size:15px}
@media(max-width:980px){.top nav{display:none}.menu-btn{display:block}}
/* the header slides away while you scroll down and comes back when you scroll up */
.top{transition:transform .4s var(--ease)}
.top.is-hidden{transform:translateY(-110%)}
/* desktop: the header is fully transparent, no bar and no line, only the logo and the links */
@media(min-width:861px){
  .top{background:transparent;border-bottom:0;-webkit-backdrop-filter:none;backdrop-filter:none}
  .top .mark,.top nav a:not(.pill){text-shadow:0 1px 14px rgba(15,15,15,.75)}
}

/* ---------- pill button ---------- */
.pill{display:inline-flex;align-items:center;gap:12px;height:48px;padding:0 8px 0 22px;border-radius:999px;background:var(--acid);color:var(--bg);font-size:16px;font-weight:500;letter-spacing:-.01em;white-space:nowrap;transition:background .3s var(--ease),color .3s var(--ease),transform .15s var(--ease)}
.pill i{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--bg);color:var(--acid);font-style:normal;font-size:15px;transition:transform .4s var(--ease)}
.pill:hover{background:var(--fg)}
.pill:hover i{transform:rotate(45deg)}
.pill:active{transform:translateY(1px) scale(.985)}
.pill--lg{height:56px;font-size:17px;padding-left:28px}
.pill--ghost{background:transparent;color:var(--fg);box-shadow:inset 0 0 0 1px rgba(242,241,237,.28)}
.pill--ghost i{background:var(--fg);color:var(--bg)}
.pill--ghost:hover{background:var(--fg);color:var(--bg)}
.pill--ghost:hover i{background:var(--bg);color:var(--fg)}
.pill--dark{background:var(--bg);color:var(--fg)}
.pill--dark i{background:var(--acid);color:var(--bg)}
.pill--dark:hover{background:var(--fg);color:var(--bg)}
.pill--dark:hover i{background:var(--bg);color:var(--fg)}
.top .pill{height:40px;font-size:14px;padding-left:18px}
.top .pill i{width:28px;height:28px}

/* ---------- generic section rhythm ---------- */
section{padding:clamp(80px,11vw,176px) 0}

/* ---------- footer ---------- */
footer{padding:clamp(24px,3vw,40px) 0 20px}
footer .grid{row-gap:18px;font-size:13px;line-height:1.45}
footer .grid{padding-top:clamp(16px,2vw,24px);border-top:1px solid var(--faint)}
.f-brand{grid-column:1/span 4}
.f-brand .mark{display:inline-block;margin-bottom:6px;font-size:18px}
.f-brand p{color:var(--dim);font-size:12px}
.f-links{grid-column:6/span 3;display:flex;flex-direction:column;gap:2px}
.f-links a,.f-contact a{transition:color .15s linear;width:fit-content;padding:1px 0}
.f-links a{color:var(--dim)}
.f-links a:hover{color:var(--fg)}
.f-contact{grid-column:9/-1;display:flex;flex-direction:column;gap:2px}
.f-contact .slash{margin-bottom:4px;font-size:12px}
.f-contact .mail{font-size:14px;letter-spacing:-.01em}
.f-contact .soc{color:var(--dim)}
.f-contact .soc:hover{color:var(--fg)}
.f-bottom{grid-column:1/-1;display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px 24px;margin-top:clamp(12px,2vw,24px);padding-top:14px;border-top:1px solid var(--faint);font-size:12px;color:var(--dim)}
.f-bottom nav{display:flex;gap:20px}
@media(max-width:860px){.f-brand,.f-links,.f-contact{grid-column:1/-1}}

/* the photo of the last call-to-action block carries on softly behind the footer, with no lines in between */
.finale{position:relative;isolation:isolate}
.finale>.final,.finale>.start{position:static;isolation:auto;overflow:visible}
.finale .final-bg,.finale .start-bg{position:absolute;inset:0;z-index:-1}
.finale .final-bg img,.finale .start-bg img{width:100%;height:100%;object-fit:cover;object-position:72% 50%}
.finale>.final,.finale>.start{padding-bottom:clamp(180px,20vw,300px)}
.finale .final-bg::after,.finale .start-bg::after{background:linear-gradient(var(--bg),rgba(15,15,15,0) 14%,rgba(15,15,15,0) 68%,var(--bg) 100%)}
.finale footer .grid,.finale .f-bottom{border-top:0}
.finale footer{text-shadow:0 1px 12px rgba(15,15,15,.7)}

/* ---------- scroll reveal (hierarchy: content arrives in reading order) ---------- */
.js .rv{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .rv.in{opacity:1;transform:none}
.js .fill .w{opacity:.2;transition:opacity .5s linear}
.js .fill .w.on{opacity:1}