/* vineli.studio — the Apple-light language of the MVA showcase, on the web.
   One accent (#0071E3), system SF stack, generous air, soft diffuse shadows. */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#1D1D1F; --mut:#86868B; --acc:#0071E3;
  --line:rgba(0,0,0,.07);
  --f:-apple-system,BlinkMacSystemFont,'SF Pro Display','SF Pro Text','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,'SF Mono',SFMono-Regular,Menlo,Consolas,monospace;
}
html{scroll-behavior:smooth}
body{
  font-family:var(--f);color:var(--ink);background:#f5f5f7;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  min-height:100vh;overflow-x:hidden;
}
/* ambient color field (the showcase mesh, in CSS) */
.amb{position:fixed;inset:-20%;z-index:-1;pointer-events:none;
  background:
    radial-gradient(46% 42% at 12% 8%,  rgba(0,113,227,.075), transparent 68%),
    radial-gradient(40% 38% at 88% 16%, rgba(88,86,214,.055), transparent 66%),
    radial-gradient(44% 40% at 82% 88%, rgba(255,149,0,.06),  transparent 66%),
    radial-gradient(42% 40% at 14% 86%, rgba(0,199,190,.05),  transparent 66%),
    radial-gradient(120% 90% at 50% 30%, #ffffff 0%, #f7f7f8 55%, #eef0f3 100%);
  animation:ambDrift 26s ease-in-out infinite alternate;
}
@keyframes ambDrift{from{transform:translate(0,0) scale(1)}to{transform:translate(-1.5%,1.2%) scale(1.03)}}

.wrap{max-width:1060px;margin:0 auto;padding:0 28px}
/* header */
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  background:rgba(245,245,247,.72);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:800;font-size:19px;letter-spacing:-.02em;text-decoration:none;color:var(--ink)}
.logo b{color:var(--acc)}
.nav a{color:var(--mut);text-decoration:none;font-size:15px;font-weight:600;transition:color .18s ease}
.nav .links{display:flex;gap:26px;align-items:center}
.nav a:hover{color:var(--ink)}
.nav .links a:not(.btn){position:relative}
.nav .links a:not(.btn)::after{content:'';position:absolute;left:0;bottom:-5px;height:1.5px;width:100%;
  background:var(--ink);border-radius:1px;transform:scaleX(0);transform-origin:left;
  transition:transform .28s cubic-bezier(.2,.6,.2,1)}
.nav .links a:not(.btn):hover::after{transform:scaleX(1)}
header{transition:box-shadow .25s ease, background .25s ease}
header.scrolled{box-shadow:0 10px 34px -22px rgba(40,50,80,.3);background:rgba(245,245,247,.86)}
.logo b{transition:transform .3s cubic-bezier(.34,1.56,.64,1);display:inline-block}
.logo:hover b{transform:scale(1.6)}
.btn{display:inline-block;background:var(--acc);color:#fff !important;font-weight:600;font-size:15px;
  padding:9px 20px;border-radius:999px;text-decoration:none;border:0;cursor:pointer;
  transition:transform .22s cubic-bezier(.34,1.56,.64,1), box-shadow .22s ease, background .18s ease}
.btn:hover{transform:translateY(-1px) scale(1.02);box-shadow:0 12px 28px -10px rgba(0,113,227,.55);background:#0077ED}
.btn:active{transform:translateY(0) scale(.96);transition-duration:.09s}
.btn.big{font-size:17px;padding:14px 30px}
.btn.ping{animation:ping .95s cubic-bezier(.2,.6,.3,1)}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(0,113,227,.38)}100%{box-shadow:0 0 0 16px rgba(0,113,227,0)}}

/* hero */
.hero{padding:88px 0 30px;text-align:center}
.ava{width:96px;height:96px;border-radius:50%;
  box-shadow:0 0 0 5px rgba(255,255,255,.92),0 16px 36px -14px rgba(40,50,80,.35)}
h1{font-size:clamp(38px,6vw,64px);font-weight:800;letter-spacing:-.035em;line-height:1.05;margin:22px 0 14px}
h1 .acc{color:var(--acc)}
.tag{font-family:var(--mono);font-size:clamp(13px,1.8vw,17px);letter-spacing:.06em;color:var(--mut)}
.heroCta{margin-top:30px;display:flex;gap:14px;justify-content:center;align-items:center;flex-wrap:wrap}
.ghost{color:var(--ink);text-decoration:none;font-weight:600;font-size:16px;padding:13px 24px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.7);transition:background .18s ease}
.ghost:hover{background:#fff}

/* the prompt bar — the product hook, live in the hero */
.promptbar{display:flex;align-items:center;gap:12px;max-width:680px;margin:34px auto 0;
  background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:999px;padding:10px 10px 10px 22px;
  box-shadow:0 24px 60px -28px rgba(40,50,80,.35),0 2px 8px -3px rgba(40,50,80,.08);text-align:left}
.promptbar .pi{width:18px;height:18px;flex:none;fill:var(--acc);display:block;
  animation:sparkle 4.5s ease-in-out infinite}
@keyframes sparkle{0%,100%{transform:scale(1);opacity:.9}50%{transform:scale(1.12);opacity:1}}
.promptbar .ptxt{flex:1;font-family:var(--mono);font-size:15.5px;color:#3a3a3c;letter-spacing:.01em;
  white-space:nowrap;overflow:hidden;min-height:22px;
  -webkit-mask-image:linear-gradient(90deg,#000 84%,transparent);
  mask-image:linear-gradient(90deg,#000 84%,transparent)}
.pcaret{display:inline-block;width:8px;height:17px;background:var(--acc);vertical-align:-2px;margin-left:2px;
  animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.promptbar .pgen{flex:none;font-size:15px;padding:10px 20px}
.pnote{margin-top:18px;font-family:var(--mono);font-size:14px;letter-spacing:.08em;color:var(--mut);text-align:center}
.parr{display:inline-block;animation:nudge 2.1s ease-in-out infinite}
@keyframes nudge{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}

/* reel */
.reelWrap{padding:44px 0 8px}
.reel{position:relative;border-radius:22px;overflow:hidden;background:#fff;
  box-shadow:0 40px 90px -36px rgba(40,50,80,.4),0 4px 14px -6px rgba(40,50,80,.12);
  border:1px solid rgba(0,0,0,.05);transition:transform .35s cubic-bezier(.2,.6,.2,1), box-shadow .35s ease}
.reel:hover{transform:translateY(-3px);box-shadow:0 52px 110px -40px rgba(40,50,80,.48),0 6px 18px -8px rgba(40,50,80,.14)}
.reel video{display:block;width:100%;height:auto}
.sndBtn{position:absolute;right:16px;bottom:16px;background:rgba(29,29,31,.72);color:#fff;border:0;cursor:pointer;
  font-size:14px;font-weight:600;padding:9px 16px;border-radius:999px;backdrop-filter:blur(8px);
  transition:transform .2s cubic-bezier(.34,1.56,.64,1), background .2s ease}
.sndBtn:hover{transform:scale(1.06);background:rgba(29,29,31,.85)}
.sndBtn:active{transform:scale(.94)}
.reelCap{text-align:center;font-family:var(--mono);font-size:14px;letter-spacing:.08em;color:var(--mut);margin-top:16px}

/* sections */
section{padding:76px 0}
h2{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-.03em;margin-bottom:14px}
.lead{font-size:19px;line-height:1.55;color:#4a4a4e;max-width:640px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:36px}
.card{background:#fff;border:1px solid rgba(0,0,0,.05);border-radius:20px;padding:26px;
  box-shadow:0 18px 44px -24px rgba(40,50,80,.22)}
.card .k{font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--acc)}
.card h3{font-size:20px;font-weight:700;letter-spacing:-.01em;margin:10px 0 8px}
.card p{font-size:15.5px;line-height:1.5;color:var(--mut)}
.xcard{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid rgba(0,0,0,.05);
  border-radius:20px;padding:22px 26px;box-shadow:0 18px 44px -24px rgba(40,50,80,.22);
  text-decoration:none;color:var(--ink);max-width:520px;transition:transform .18s ease}
.xcard:hover{transform:translateY(-2px)}
.xcard .x{transition:transform .25s cubic-bezier(.34,1.56,.64,1)}
.xcard:hover .x{transform:translateX(5px) scale(1.08)}
.ghost{transition:background .18s ease, transform .22s cubic-bezier(.34,1.56,.64,1), box-shadow .22s ease}
.ghost:hover{background:#fff;transform:translateY(-1px);box-shadow:0 12px 30px -18px rgba(40,50,80,.35)}
.ghost:active{transform:scale(.96);transition-duration:.09s}
body{animation:pageIn .45s ease-out}
@keyframes pageIn{from{opacity:0}}
.xcard .h{font-weight:700;font-size:17px}
.xcard .s{color:var(--mut);font-size:14.5px;margin-top:2px}
.xcard .x{margin-left:auto;font-weight:800;font-size:22px}

/* waitlist page */
.wl{min-height:calc(100vh - 60px);min-height:calc(100dvh - 60px);display:flex;align-items:center;justify-content:center;padding:56px 20px}
.wlCard{background:#fff;border:1px solid rgba(0,0,0,.05);border-radius:26px;padding:48px 44px;
  box-shadow:0 40px 90px -36px rgba(40,50,80,.35);max-width:520px;width:100%;text-align:center}
.wlCard .ava{width:76px;height:76px}
.wlCard h1{font-size:34px;margin:18px 0 10px}
.wlCard .lead{font-size:16.5px;margin:0 auto}
.field{display:flex;gap:10px;margin-top:28px}
.field input{flex:1;font-family:var(--f);font-size:16px;padding:13px 18px;border-radius:14px;
  border:1px solid rgba(0,0,0,.12);background:#fafafa;outline:none;color:var(--ink);min-width:0}
.field input:focus{border-color:var(--acc);background:#fff;box-shadow:0 0 0 4px rgba(0,113,227,.12)}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.msg{margin-top:16px;font-size:14.5px;min-height:20px}
.msg.ok{color:#1a8f3c;font-weight:600}
.msg.err{color:#d0342c;font-weight:600}
.fine{margin-top:22px;font-size:13px;color:var(--mut)}

/* submit states — loading spinner · error shake · the success moment */
.btn.loading{color:transparent !important;pointer-events:none;position:relative}
.btn.loading::after{content:'';position:absolute;inset:0;margin:auto;width:18px;height:18px;border-radius:50%;
  border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.field.shake{animation:shake .45s cubic-bezier(.36,.07,.19,.97)}
.field.shake input{border-color:#d0342c;box-shadow:0 0 0 4px rgba(208,52,44,.12)}
@keyframes shake{10%,90%{transform:translateX(-2px)}20%,80%{transform:translateX(4px)}
  30%,50%,70%{transform:translateX(-7px)}40%,60%{transform:translateX(7px)}}

.wlDone{display:none;position:relative;padding:6px 0 2px}
.wlDone.go{display:block}
.ck{width:84px;height:84px;margin:10px auto 6px;display:block;transform:scale(.3);opacity:0}
.wlDone.go .ck{animation:ckPop .7s cubic-bezier(.34,1.56,.64,1) .1s forwards}
@keyframes ckPop{to{transform:scale(1);opacity:1}}
.ck circle{fill:rgba(0,113,227,.09);stroke:var(--acc);stroke-width:2.5}
.ck path{fill:none;stroke:var(--acc);stroke-width:5;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:40;stroke-dashoffset:40}
.wlDone.go .ck path{animation:ckDraw .45s ease-out .45s forwards}
@keyframes ckDraw{to{stroke-dashoffset:0}}
.wlDone h2{font-size:26px;letter-spacing:-.02em;margin:6px 0 6px}
.wlDone p{color:var(--mut);font-size:15.5px;line-height:1.5}
.burst{position:absolute;left:50%;top:52px;width:0;height:0;pointer-events:none}
.burst i{position:absolute;width:7px;height:7px;border-radius:50%;opacity:0}
.wlDone.go .burst i{animation:fly .9s cubic-bezier(.17,.67,.3,1) .5s forwards}
@keyframes fly{
  0%{transform:translate(0,0) scale(1);opacity:.95}
  100%{transform:translate(var(--dx),var(--dy)) scale(.4);opacity:0}}
@media (prefers-reduced-motion: reduce){
  .wlDone.go .ck{animation:none;transform:none;opacity:1}
  .wlDone.go .ck path{animation:none;stroke-dashoffset:0}
  .wlDone.go .burst i{animation:none}
  .pcaret{animation:none}
}

footer{border-top:1px solid var(--line);padding:30px 0;margin-top:40px}
.foot{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:14px;color:var(--mut)}
.foot a{color:var(--mut);text-decoration:none}
.foot a:hover{color:var(--ink)}

/* entrance reveals */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}
.rv.in{opacity:1;transform:none}

/* ── UX polish ── */
section{scroll-margin-top:76px}                    /* anchors land below the sticky header */
.centered{text-align:center}
.centered .lead{margin:0 auto}
.centered .xcard{margin:26px auto 0}
.card{transition:transform .18s ease, box-shadow .18s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 26px 56px -26px rgba(40,50,80,.3)}
::selection{background:rgba(0,113,227,.18)}
:focus-visible{outline:3px solid rgba(0,113,227,.45);outline-offset:2px;border-radius:6px}
.btn:focus-visible,.ghost:focus-visible{outline-offset:3px}
@media (prefers-reduced-motion: reduce){
  .amb{animation:none}
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .pi,.parr,body{animation:none}
  .btn.ping{animation:none}
  .btn,.ghost,.reel,.sndBtn,.xcard .x,.logo b{transition:none}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  /* header: logo + CTA only — three text links can't share 375px */
  .nav .links a:not(.btn){display:none}
  .nav .btn{font-size:14px;padding:8px 16px}
  /* hero */
  .hero{padding:48px 0 22px}
  .ava{width:80px;height:80px}
  h1{font-size:clamp(29px,9vw,38px);margin:18px 0 12px}
  .tag{font-size:12.5px;letter-spacing:.04em;text-wrap:balance}
  /* prompt bar: tighter pill, the fade mask makes the clip read as intended */
  .promptbar{margin-top:26px;gap:8px;padding:8px 8px 8px 16px}
  .promptbar .pi{width:15px;height:15px}
  .promptbar .ptxt{font-size:13px;min-height:19px}
  .pcaret{width:6px;height:14px}
  .promptbar .pgen{font-size:13.5px;padding:9px 15px}
  .pnote{font-size:12.5px}
  /* reel */
  .reelWrap{padding:32px 0 4px}
  .reel{border-radius:16px}
  .sndBtn{right:12px;bottom:12px;font-size:13px;padding:8px 14px}
  .reelCap{font-size:12.5px;letter-spacing:.05em}
  /* sections */
  section{padding:52px 0}
  section{scroll-margin-top:64px}
  .lead{font-size:17px}
  .card{padding:22px}
  .xcard{padding:18px 20px;gap:14px}
  /* waitlist */
  .wl{padding:36px 16px}
  .wlCard{padding:36px 22px;border-radius:22px}
  .wlCard h1{font-size:28px}
  .field{flex-direction:column}
  .foot{justify-content:center;text-align:center}
}