/* =========================================================
   MailPoint — monochrome, black over white
   Tokens
   ========================================================= */
:root{
  --ink:#000;
  --ink2:#4a4a4a;
  --ink3:#6e6e6e;
  --line:#e4e4e4;
  --line2:#f0f0f0;
  --wash:#f6f6f6;
  --grey-line:#8f8f8f;
  --paper:#fff;

  --display:"Quicksand","Nunito",ui-rounded,"Segoe UI",system-ui,sans-serif;
  --body:"Nunito","Quicksand",ui-rounded,"Segoe UI",system-ui,sans-serif;

  --maxw:1120px;
  --pad:24px;
  --r-pill:999px;
  --r-lg:32px;
  --r-md:22px;

  --ease:cubic-bezier(.22,.68,.24,1);
  --spring:cubic-bezier(.34,1.5,.44,1);
}

/* =========================================================
   Reset
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  background:var(--paper);
  scroll-behavior:smooth;
  scroll-padding-top:92px;
}
html.boot{overflow:hidden}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,p,ul,ol,figure,svg{margin:0}
ul,ol{list-style:none;padding:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
img,svg{display:block;max-width:100%}
::selection{background:#000;color:#fff}

a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{
  outline:2.5px solid var(--ink);
  outline-offset:3px;
}

.sprite{position:absolute;width:0;height:0;overflow:hidden}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* =========================================================
   Layout helpers
   ========================================================= */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);width:100%}
.wrap-narrow{max-width:800px}
.sec{padding:104px 0;position:relative}
.sec-hair{border-top:1px solid var(--line)}

.sec-head{max-width:660px;margin-bottom:52px}
.sec-head h2{
  font-family:var(--display);
  font-weight:700;
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.06;
  letter-spacing:-.03em;
}
.sec-head p{
  margin-top:16px;
  color:var(--ink2);
  font-size:clamp(16.5px,1.5vw,18.5px);
  line-height:1.6;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--display);font-weight:700;font-size:17px;line-height:1;
  padding:18px 30px;border-radius:var(--r-pill);
  border:1.5px solid var(--ink);cursor:pointer;
  transition:transform .34s var(--spring),background-color .25s var(--ease),color .25s var(--ease),box-shadow .3s var(--ease);
}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{transform:translateY(-3px);box-shadow:0 16px 30px -18px rgba(0,0,0,.85)}
.btn-solid:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{transform:translateY(-3px);background:var(--ink);color:#fff}
.btn-ghost:active{transform:translateY(0) scale(.985)}
.btn-sm{font-size:15px;padding:13px 22px}
.btn-invert{background:#fff;color:#000;border-color:#fff}
.btn-invert:hover{transform:translateY(-3px);background:transparent;color:#fff}

/* =========================================================
   Loader — white canvas, black ball falls, expands, reveals
   ========================================================= */
#loader{display:none}
.js #loader{
  display:grid;place-items:center;
  position:fixed;inset:0;z-index:1;
  background:var(--paper);
  overflow:hidden;
}
#ball{
  width:96px;height:96px;
  transform:translate3d(0,var(--by,-72vh),0);
  will-change:transform;
}
#ball-core{
  display:block;width:100%;height:100%;
  background:var(--ink);border-radius:50%;
}
/* the disc the ball turns into — full-bleed black, revealed by clip-path
   so its edge stays perfectly crisp at any size */
#disc{
  position:absolute;inset:0;
  background:var(--ink);
  clip-path:circle(0px at 50% 50%);
  pointer-events:none;
}
@keyframes impact{
  0%{transform:scale(1,1)}
  28%{transform:scale(1.18,.8)}
  58%{transform:scale(.93,1.07)}
  100%{transform:scale(1,1)}
}
#ball-core.impact{animation:impact .44s var(--ease) both}

/* the site paints above the loader so the reveal can grow out of the disc */
#site{position:relative;z-index:2;background:var(--paper)}
.js #site{clip-path:circle(0px at 50% 50%)}

/* =========================================================
   Navigation
   ========================================================= */
.nav{
  position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .35s var(--ease);
}
.nav.stuck{border-bottom-color:var(--line)}
.nav-in{
  max-width:var(--maxw);margin:0 auto;padding:16px var(--pad);
  display:flex;align-items:center;gap:30px;
}
.logo{display:inline-flex;align-items:center;gap:11px;margin-right:auto}
.logo-mark{
  position:relative;display:block;width:26px;height:26px;
  border-radius:50%;background:var(--ink);flex:none;
}
.logo-mark::after{
  content:"";position:absolute;left:50%;top:50%;
  width:8px;height:8px;margin:-4px 0 0 -4px;
  border-radius:50%;background:#fff;
}
.logo-word{font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:-.02em}
.nav-links{display:flex;gap:28px}
.nav-links a{
  position:relative;font-size:15.5px;font-weight:600;color:var(--ink2);
  padding:4px 0;transition:color .25s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;
  background:var(--ink);transform:scaleX(0);transform-origin:left;
  transition:transform .38s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}

/* =========================================================
   Hero
   ========================================================= */
.hero{padding:52px 0 92px;text-align:center}
.hero-in{display:flex;flex-direction:column;align-items:center}

.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:15px;font-weight:700;color:var(--ink2);
  font-family:var(--body);
}
.k-dot{width:8px;height:8px;border-radius:50%;background:var(--ink);flex:none}

/* --- the $0 : expanding 3D type with a pristine glint --- */
.zero{
  margin:14px 0 0;
  perspective:900px;
  perspective-origin:50% 46%;
}
.zero-3d{
  position:relative;
  transform-style:preserve-3d;
  transform:rotateX(var(--rx,16deg)) rotateY(var(--ry,0deg));
  transition:transform .34s var(--ease);
  --depth:18px;
}
.z{
  display:block;
  font-family:var(--display);
  font-weight:700;
  font-size:clamp(150px,30vw,380px);
  line-height:.86;
  letter-spacing:-.055em;
  color:hsl(0, 0%, calc(var(--d) * 6.5%));
  transform:translateZ(calc(0px - var(--d) * var(--depth)));
  user-select:none;
}
.z-back{position:absolute;inset:0}
.z-face{position:relative}
.z-glint{
  position:absolute;inset:0;
  transform:translateZ(1px);
  color:transparent;
  background-image:linear-gradient(100deg,
    rgba(255,255,255,0) 44%,
    rgba(255,255,255,.75) 48.5%,
    rgba(255,255,255,1) 50%,
    rgba(255,255,255,.75) 51.5%,
    rgba(255,255,255,0) 56%);
  background-size:200% 100%;
  background-repeat:no-repeat;
  background-position:-100% 0;
  -webkit-background-clip:text;
  background-clip:text;
  animation:glint 5.6s cubic-bezier(.5,0,.2,1) 2.6s infinite;
}
@keyframes glint{
  0%{background-position:-100% 0}
  26%{background-position:220% 0}
  100%{background-position:220% 0}
}
.zero-cap{
  font-family:var(--display);font-weight:700;
  font-size:clamp(17px,2.1vw,23px);
  letter-spacing:-.02em;margin-top:16px;
}
.hero-h1{
  font-family:var(--display);font-weight:700;
  font-size:clamp(30px,4.6vw,47px);
  line-height:1.06;letter-spacing:-.03em;
  max-width:20ch;margin-top:34px;
}
.lede{
  color:var(--ink2);
  font-size:clamp(16.5px,1.5vw,18.5px);
  line-height:1.62;
  max-width:58ch;margin-top:20px;
}
.btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}
.chip-mount{display:flex;justify-content:center;margin-top:26px}

/* --- alias chip --- */
.chip{
  display:inline-flex;align-items:center;gap:11px;
  font-family:var(--display);font-weight:700;font-size:16px;
  padding:13px 20px;border-radius:var(--r-pill);
  background:var(--wash);border:1.5px solid var(--line);
  cursor:pointer;
  transition:border-color .25s var(--ease),background-color .25s var(--ease),transform .34s var(--spring);
}
.chip:hover{border-color:var(--ink);background:#fff;transform:translateY(-2px)}
.chip:active{transform:translateY(0) scale(.985)}
.chip-dot{width:9px;height:9px;border-radius:50%;background:var(--ink);flex:none}
.chip-v{letter-spacing:-.01em}
.chip-hint{font-family:var(--body);font-weight:700;font-size:13px;color:var(--ink3)}

/* =========================================================
   Chart section
   ========================================================= */
.panel{
  border:1.5px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 26px 22px;
  background:#fff;
}
.panel-top{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:18px;
}
.panel-title{font-family:var(--display);font-weight:700;font-size:17px;letter-spacing:-.01em}
.legend{display:flex;gap:8px;flex-wrap:wrap}
.lg{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14.5px;font-weight:700;
  padding:8px 15px;border-radius:var(--r-pill);
  border:1.5px solid var(--line);cursor:pointer;
  transition:opacity .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);
}
.lg:hover{border-color:var(--ink)}
.lg[aria-pressed="false"]{opacity:.42}
.lg-sw{width:14px;height:5px;border-radius:99px;flex:none}
.lg-sw-b{background:var(--ink);height:6px}
.lg-sw-g{background:var(--grey-line)}

.chart-wrap{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}
.chart{width:100%;min-width:660px;height:auto}
.chart .grid line{stroke:var(--line2);stroke-width:1}
.chart text{font-family:var(--body);font-weight:600}
.chart .y-lab,.chart .x-lab,.chart .ax-unit{font-size:15px;fill:var(--ink3)}
.chart .ax-unit{font-size:14px}
.chart .c-others{fill:none;stroke:var(--grey-line);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.chart .c-mp{fill:none;stroke:var(--ink);stroke-width:5.5;stroke-linecap:round}
.chart .lab-others{font-size:15px;fill:var(--ink3)}
.chart .pill rect{fill:var(--ink)}
.chart .pill text{font-size:15px;fill:#fff;font-weight:700}
.chart .dot-core{fill:var(--ink);transform-box:fill-box;transform-origin:50% 50%}
.chart .dot-ring{fill:none;stroke:#fff;stroke-width:5}
.chart .dot-pulse{fill:var(--ink);transform-box:fill-box;transform-origin:50% 50%;opacity:0}
.chart .pill,.chart .lab-others{transition:opacity .55s var(--ease)}

.chart.armed .pill,.chart.armed .lab-others{opacity:0}
.chart.armed .dot-core{transform:scale(0)}
.chart.armed .dot-pulse{opacity:0}
.chart.drawn .pill{opacity:1;transition-delay:1.35s}
.chart.drawn .lab-others{opacity:1;transition-delay:1.6s}
.chart.drawn .dot-core{transform:scale(1);transition:transform .65s var(--spring) 1.45s}
.chart.drawn .dot-pulse{animation:pulse 2.9s ease-out 2.1s infinite}
@keyframes pulse{
  0%{transform:scale(1);opacity:.45}
  68%{transform:scale(3.1);opacity:0}
  100%{transform:scale(3.1);opacity:0}
}

.panel-foot{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
  margin-top:16px;padding-top:18px;border-top:1px solid var(--line);
}
.stat-line{display:flex;align-items:baseline;gap:12px}
.stat{font-family:var(--display);font-weight:700;font-size:40px;line-height:1;letter-spacing:-.04em}
.stat-l{font-size:15px;color:var(--ink2);font-weight:600}
.foot-note{font-size:14.5px;color:var(--ink3)}

/* =========================================================
   Steps — a real sequence
   ========================================================= */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:44px}
.step{position:relative}
.step-n{
  display:grid;place-items:center;
  width:48px;height:48px;border-radius:50%;
  background:var(--ink);color:#fff;
  font-family:var(--display);font-weight:700;font-size:20px;
  position:relative;z-index:1;
}
.step:not(:last-child)::after{
  content:"";position:absolute;
  left:60px;right:calc(-44px + 12px);top:23.5px;height:1.5px;
  background:var(--line);
  transform:scaleX(0);transform-origin:left;
  transition:transform .7s var(--ease) .35s;
}
.steps .step.in::after{transform:scaleX(1)}
.step h3{
  font-family:var(--display);font-weight:700;
  font-size:21px;letter-spacing:-.02em;margin-top:22px;
}
.step p{margin-top:10px;color:var(--ink2);font-size:16.5px;max-width:34ch}

/* =========================================================
   Ledger — what we store
   ========================================================= */
.sec-ledger{background:var(--wash)}
.ledger{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1.5px solid var(--ink)}
.lg-col{padding:26px 40px 8px 0}
.lg-col + .lg-col{border-left:1.5px solid var(--line);padding-left:40px;padding-right:0}
.lg-h{
  display:flex;align-items:center;gap:10px;
  font-family:var(--display);font-weight:700;font-size:17px;
  margin-bottom:6px;
}
.lg-mark{width:11px;height:11px;border-radius:50%;background:var(--ink);flex:none}
.lg-mark-o{background:transparent;border:2px solid var(--ink)}
.lg-list li{
  display:flex;align-items:flex-start;gap:13px;
  padding:15px 0;border-bottom:1px solid var(--line);
  font-size:16.5px;color:var(--ink);
}
.lg-list li:last-child{border-bottom:0}
.ic{width:17px;height:17px;flex:none;margin-top:4px;color:var(--ink)}
.lg-list li.is-no{color:var(--ink2)}

.switch-row{
  margin-top:44px;background:#fff;border:1.5px solid var(--line);
  border-radius:var(--r-md);padding:24px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
}
.sw-label{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:-.01em}
.sw-cap{font-size:15.5px;color:var(--ink3);margin-top:4px;max-width:52ch}
.sw-cap.jig{animation:jig .5s var(--ease) both}
@keyframes jig{
  0%{transform:translateX(0)}
  18%{transform:translateX(-7px)}
  38%{transform:translateX(6px)}
  58%{transform:translateX(-4px)}
  78%{transform:translateX(2px)}
  100%{transform:translateX(0)}
}
.sw{display:block}

/* Radix / fallback switch */
.sw-btn{
  position:relative;flex:none;
  width:64px;height:36px;border-radius:var(--r-pill);
  background:var(--line);border:0;cursor:pointer;padding:0;
  transition:background-color .28s var(--ease);
}
.sw-btn[data-state="checked"]{background:var(--ink)}
.sw-btn .sw-thumb,.sw-btn > span{
  position:absolute;top:4px;left:4px;
  display:block;width:28px;height:28px;border-radius:50%;
  background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.32);
  transition:transform .34s var(--spring);
}
.sw-btn[data-state="checked"] .sw-thumb,.sw-btn[data-state="checked"] > span{transform:translateX(28px)}

/* =========================================================
   FAQ
   ========================================================= */
#mount-faq{border-top:1.5px solid var(--ink)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-h{margin:0!important;font-size:inherit;font-weight:inherit}
.acc-t{
  display:flex;align-items:center;justify-content:space-between;gap:22px;
  width:100%;text-align:left;cursor:pointer;
  font-family:var(--display);font-weight:700;
  font-size:clamp(17px,2vw,20px);letter-spacing:-.015em;
  padding:24px 0;color:var(--ink);
  list-style:none;
  transition:opacity .25s var(--ease);
}
summary.acc-t::-webkit-details-marker{display:none}
summary.acc-t::marker{content:""}
.acc-t:hover{opacity:.62}
.chev{
  width:22px;height:22px;flex:none;color:var(--ink);
  transition:transform .38s var(--spring);
}
.acc-t[data-state="open"] .chev{transform:rotate(180deg)}
details[open] > .acc-t .chev{transform:rotate(180deg)}
.acc-c{overflow:hidden}
.acc-c[data-state="open"]{animation:accOpen .34s var(--ease) both}
.acc-c[data-state="closed"]{animation:accClose .26s var(--ease) both}
@keyframes accOpen{from{height:0;opacity:0}to{height:var(--radix-accordion-content-height);opacity:1}}
@keyframes accClose{from{height:var(--radix-accordion-content-height);opacity:1}to{height:0;opacity:0}}
.acc-p{padding:0 0 26px;color:var(--ink2);font-size:16.5px;line-height:1.65;max-width:64ch}

/* =========================================================
   CTA + footer
   ========================================================= */
.cta{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;
  border-radius:44px;padding:80px 36px;
  display:flex;flex-direction:column;align-items:center;text-align:center;
}
.cta::after{
  content:"";position:absolute;
  width:260px;height:260px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.16);
  top:-96px;right:-74px;pointer-events:none;
}
.cta h2{
  font-family:var(--display);font-weight:700;
  font-size:clamp(32px,5vw,58px);line-height:1.02;letter-spacing:-.035em;
  position:relative;
}
.cta p{margin-top:16px;color:#c9c9c9;font-size:17.5px;max-width:44ch;position:relative}
.cta .btn{margin-top:32px;position:relative}
.cta-note{margin-top:20px;font-size:14.5px;color:#a3a3a3;position:relative}

.foot{border-top:1px solid var(--line);padding:34px 0 46px}
.foot-in{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.foot-brand{display:flex;align-items:center;gap:11px}
.foot-brand .logo-mark{width:22px;height:22px}
.foot-brand .logo-mark::after{width:7px;height:7px;margin:-3.5px 0 0 -3.5px}
.foot-tag{font-size:15px;color:var(--ink3)}
.foot-links{display:flex;gap:24px;margin-left:auto}
.foot-links a{font-size:15px;font-weight:600;color:var(--ink2);transition:color .25s var(--ease)}
.foot-links a:hover{color:var(--ink)}
.foot-meta{font-size:14.5px;color:var(--ink3)}

/* =========================================================
   Tooltips (Radix + CSS fallback use different nodes)
   ========================================================= */
.tip{position:relative;display:inline-flex}
.tip-bubble{
  position:absolute;left:50%;bottom:calc(100% + 12px);
  transform:translate(-50%,7px);
  background:var(--ink);color:#fff;
  padding:8px 13px;border-radius:11px;
  font-family:var(--body);font-size:13.5px;font-weight:700;
  white-space:nowrap;opacity:0;pointer-events:none;
  transition:opacity .2s var(--ease),transform .28s var(--spring);
}
.tip:hover .tip-bubble,.tip:focus-within .tip-bubble{opacity:1;transform:translate(-50%,0)}
.tip-c{
  z-index:60;
  background:var(--ink);color:#fff;
  padding:8px 13px;border-radius:11px;
  font-family:var(--body);font-size:13.5px;font-weight:700;
  white-space:nowrap;
  box-shadow:0 14px 30px -16px rgba(0,0,0,.7);
  animation:tipIn .18s var(--ease) both;
}
@keyframes tipIn{from{opacity:0}to{opacity:1}}

/* =========================================================
   Entrance / reveal choreography
   ========================================================= */
.js .hero [data-h]{opacity:0;transform:translateY(22px)}
.js #site.ready .hero [data-h]{
  opacity:1;transform:none;
  transition:opacity .6s var(--ease) var(--hd,0s),transform .9s var(--spring) var(--hd,0s);
}
.js .zero{opacity:0;transform:scale(.82)}
.js #site.ready .zero{
  opacity:1;transform:scale(1);
  transition:opacity .5s var(--ease),transform 1s var(--spring);
}
.js [data-reveal]{
  opacity:0;transform:translateY(24px);
  transition:opacity .65s var(--ease) var(--rd,0s),transform .8s var(--spring) var(--rd,0s);
}
.js [data-reveal].in{opacity:1;transform:none}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:920px){
  .nav-links{display:none}
  .steps{grid-template-columns:1fr;gap:34px}
  .step:not(:last-child)::after{
    left:23.25px;right:auto;top:60px;bottom:-22px;width:1.5px;height:auto;
    transform:scaleY(0);transform-origin:top;
  }
  .steps .step.in::after{transform:scaleY(1)}
  .step p{max-width:52ch}
  .ledger{grid-template-columns:1fr}
  .lg-col{padding:26px 0 6px}
  .lg-col + .lg-col{border-left:0;border-top:1.5px solid var(--line);padding-left:0}
}
@media (max-width:720px){
  .sec{padding:74px 0}
  .hero{padding:34px 0 68px}
  .nav-in{gap:14px}
  .panel{padding:20px 16px 16px;border-radius:24px}
  .cta{padding:58px 22px;border-radius:32px}
  .btn{width:100%;max-width:340px}
  .btns{width:100%}
  .btn-sm{width:auto;max-width:none}
  .foot-in{flex-direction:column;align-items:flex-start;gap:16px}
  .foot-links{margin-left:0;flex-wrap:wrap;gap:18px}
  .switch-row{padding:22px 20px}
}

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .js .hero [data-h],.js .zero,.js [data-reveal]{opacity:1!important;transform:none!important}
}