/* PICO Professional Event AI · shared design system
   Corporate identity: PICO teal #00ACA6 + PICO grey #77777A on clean white / deep night */
:root{
  --teal:#00ACA6; --teal-d:#008882; --teal-dd:#005f5b; --teal-l:#d6f2f0; --teal-ll:#effaf9;
  --ink:#111414; --ink-2:#2c3131; --grey:#77777a; --grey-2:#a2a5a6; --line:#e2e8e8; --line-2:#eef2f2;
  --paper:#ffffff; --mist:#f4f7f7; --night:#0a0d0d; --night-2:#141919; --night-3:#1d2424;
  --ok:#00a37a; --warn:#d99a1e; --bad:#d4483b;
  --f-display:"Fraunces", Georgia, "Times New Roman", serif;
  --f-body:"Manrope", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1); --ease-io:cubic-bezier(.65,0,.35,1);
  --r:2px; --shadow:0 18px 50px -20px rgba(0,40,38,.28);
  --hdr:72px;
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html{touch-action:manipulation; -webkit-text-size-adjust:100%}
html,body{margin:0; background:var(--paper); color:var(--ink); font:400 15px/1.6 var(--f-body); -webkit-font-smoothing:antialiased}
body{touch-action:manipulation}
img{max-width:100%; display:block}
a{color:inherit}
button,input,select,textarea{font:inherit; color:inherit}
button{cursor:pointer; touch-action:manipulation}
::selection{background:var(--teal); color:#fff}
:focus-visible{outline:2px solid var(--teal); outline-offset:3px}

/* type */
.eyebrow{font:600 10.5px/1.2 var(--f-body); letter-spacing:.28em; text-transform:uppercase; color:var(--teal)}
.display{font:300 clamp(34px,5.4vw,72px)/1.04 var(--f-display); letter-spacing:-.02em; margin:0}
.display em,.h2 em,.h3 em{font-style:italic; color:var(--teal)}
.h2{font:300 clamp(28px,3.4vw,44px)/1.1 var(--f-display); letter-spacing:-.015em; margin:0}
.h3{font:400 24px/1.2 var(--f-display); margin:0}
.muted{color:var(--grey)}
.small{font-size:12.5px}

/* brand mark */
.pico-mark{display:flex; align-items:center; gap:12px; text-decoration:none}
.pico-mark img.wm{height:22px; width:auto}
.pico-mark img.em{height:30px; width:auto}
.pico-mark .sub{font:600 9.5px/1 var(--f-body); letter-spacing:.32em; text-transform:uppercase; color:var(--teal); border-left:1px solid rgba(255,255,255,.22); padding-left:12px}
.pico-mark.dark .sub{border-color:var(--line)}

/* buttons */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:10px; border:1px solid var(--ink); background:transparent; color:var(--ink);
  padding:14px 24px; font:600 11.5px/1 var(--f-body); letter-spacing:.2em; text-transform:uppercase; border-radius:var(--r);
  transition:background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease), transform .2s var(--ease); text-decoration:none; white-space:nowrap; position:relative; overflow:hidden}
.btn:active{transform:scale(.98)}
.btn svg{width:16px; height:16px; flex:none}
.btn.primary{background:var(--ink); color:#fff}
.btn.primary:hover{background:var(--teal-d); border-color:var(--teal-d)}
.btn.teal{background:var(--teal); border-color:var(--teal); color:#fff}
.btn.teal:hover{background:var(--teal-d); border-color:var(--teal-d)}
.btn:not(.primary):not(.teal):hover{background:var(--ink); color:#fff}
.btn.ghost-l{border-color:rgba(255,255,255,.4); color:#fff}
.btn.ghost-l:hover{background:#fff!important; color:var(--ink)!important}
.btn.sm{padding:10px 14px; font-size:10.5px}
.btn.wa{background:#1fa855; border-color:#1fa855; color:#fff}
.btn.wa:hover{background:#178a45; border-color:#178a45}
.btn[disabled]{opacity:.45; pointer-events:none}
.btn.loading{color:transparent!important}
.btn.loading::after{content:""; position:absolute; width:16px; height:16px; border:2px solid currentColor; border-color:#fff #fff transparent transparent; border-radius:50%; animation:spin .7s linear infinite}
.btn:not(.primary):not(.teal).loading::after{border-color:var(--ink) var(--ink) transparent transparent}
.icon-btn{width:40px; height:40px; border-radius:50%; border:1px solid rgba(255,255,255,.3); background:transparent; color:#fff; display:grid; place-items:center; transition:.3s var(--ease)}
.icon-btn:hover{background:#fff; color:var(--ink)}
.icon-btn svg{width:18px; height:18px}
@keyframes spin{to{transform:rotate(360deg)}}

/* forms */
.field{display:block; position:relative; margin:0 0 18px}
.field>span{display:block; font:600 10.5px/1 var(--f-body); letter-spacing:.2em; text-transform:uppercase; color:var(--grey); margin-bottom:9px}
.field>span i{color:var(--teal); font-style:normal}
.input,.field input,.field select,.field textarea{width:100%; border:0; border-bottom:1px solid var(--line); background:transparent; padding:10px 0 11px; font-size:16px;
  border-radius:0; transition:border-color .3s var(--ease); outline:none; appearance:none}
.field textarea{resize:vertical; min-height:80px; line-height:1.5}
.field select{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2377777a' stroke-width='1.6'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 2px center/16px; padding-right:24px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal)}
.field::after{content:""; position:absolute; left:0; bottom:0; height:1.5px; width:100%; background:var(--teal); transform:scaleX(0); transform-origin:left; transition:transform .45s var(--ease)}
.field:focus-within::after{transform:scaleX(1)}
.field.bad input,.field.bad select,.field.bad textarea{border-color:var(--bad)}
.field.bad>span{color:var(--bad)}
.check{display:flex; gap:12px; align-items:flex-start; font-size:13px; line-height:1.55; color:var(--ink-2); margin:6px 0 14px; cursor:pointer}
.check input{appearance:none; width:20px; height:20px; border:1px solid var(--grey-2); border-radius:2px; flex:none; margin:1px 0 0; display:grid; place-items:center; transition:.25s var(--ease)}
.check input:checked{background:var(--teal); border-color:var(--teal)}
.check input:checked::after{content:""; width:10px; height:5px; border:2px solid #fff; border-top:0; border-right:0; transform:rotate(-45deg) translate(1px,-1px)}
.check.bad input{border-color:var(--bad)}
.opts{display:flex; flex-wrap:wrap; gap:8px; padding-top:4px}
.opts label{position:relative}
.opts input{position:absolute; opacity:0; pointer-events:none}
.opts span{display:inline-block; border:1px solid var(--line); padding:9px 14px; font-size:13.5px; transition:.25s var(--ease); cursor:pointer}
.opts input:checked+span{border-color:var(--teal); background:var(--teal-ll); color:var(--teal-dd)}
.err{color:var(--bad); font-size:13px; min-height:18px; margin:4px 0 10px}

/* PICO signature corner shapes */
.corners{position:relative}
.corners::before,.corners::after{content:""; position:absolute; width:46px; height:46px; pointer-events:none; z-index:2; transition:.6s var(--ease)}
.corners::before{left:0; top:0; border-left:3px solid var(--teal); border-top:3px solid var(--teal)}
.corners::after{right:0; bottom:0; border-right:3px solid var(--teal); border-bottom:3px solid var(--teal)}

/* header bar (FSHKL layout) */
.top{height:var(--hdr); background:var(--night); color:#fff; display:grid; grid-template-columns:1fr auto 1fr; align-items:center; padding:0 32px; position:relative; z-index:20}
.top .top-l{display:flex; flex-direction:column; gap:5px}
.top .top-l .eyebrow{color:#fff}
.top .top-l small{color:rgba(255,255,255,.62); font-size:12.5px}
.top .top-r{display:flex; justify-content:flex-end; align-items:center; gap:10px}
.top .brand{display:flex; flex-direction:column; align-items:center; gap:7px; text-decoration:none}
.top .brand img{height:22px}
.top .brand .sub{font:600 9px/1 var(--f-body); letter-spacing:.42em; text-transform:uppercase; color:var(--teal)}
.hdr-btn{white-space:nowrap; display:inline-flex; align-items:center; gap:9px; background:#fff; color:var(--ink); border:0; padding:12px 18px; font:600 10.5px/1 var(--f-body); letter-spacing:.2em; text-transform:uppercase; border-radius:var(--r); transition:.3s var(--ease); text-decoration:none}
.hdr-btn:hover{background:var(--teal); color:#fff}
.hdr-btn svg{width:15px; height:15px; color:var(--teal)}
.hdr-btn:hover svg{color:#fff}
.top::after{content:""; position:absolute; left:0; right:0; bottom:0; height:2px; background:linear-gradient(90deg,transparent,var(--teal),transparent); opacity:.7}

/* toast */
.toast{position:fixed; left:50%; bottom:28px; transform:translate(-50%,30px); background:var(--ink); color:#fff; padding:13px 20px; font-size:13.5px; border-left:3px solid var(--teal);
  opacity:0; pointer-events:none; transition:.45s var(--ease); z-index:200; max-width:calc(100vw - 32px); box-shadow:var(--shadow)}
.toast.on{opacity:1; transform:translate(-50%,0)}
.toast.bad{border-color:var(--bad)}

/* reveal on scroll */
.rv{opacity:0; transform:translateY(26px); transition:opacity .9s var(--ease), transform .9s var(--ease)}
.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}

/* three.js canvas holder */
.bg3d{position:absolute; inset:0; overflow:hidden; pointer-events:none}
.bg3d canvas{width:100%!important; height:100%!important; display:block}

/* footer credit */
.credit{font-size:11.5px; color:var(--grey); letter-spacing:.04em; display:flex; flex-wrap:wrap; gap:6px 10px; align-items:center}
.credit a{color:inherit; text-decoration:underline; text-decoration-color:var(--teal); text-underline-offset:3px}
.credit .ver{border:1px solid currentColor; padding:1px 6px; font-size:10px; letter-spacing:.1em}

/* modal */
dialog.pm{border:0; padding:0; max-width:min(520px,calc(100vw - 32px)); width:100%; box-shadow:0 40px 90px -30px rgba(0,0,0,.5); border-radius:var(--r); background:#fff; color:var(--ink)}
dialog.pm::backdrop{background:rgba(6,12,12,.55); backdrop-filter:blur(4px)}
dialog.pm[open]{animation:pop .45s var(--ease)}
dialog.pm .in{padding:30px}
@keyframes pop{from{opacity:0; transform:translateY(16px) scale(.98)}}
@keyframes fadeUp{from{opacity:0; transform:translateY(14px)}}

@media (max-width:760px){
  :root{--hdr:62px}
  .top{padding:0 16px; grid-template-columns:auto 1fr}
  .top .top-l{display:none}
  .top .brand{align-items:flex-start}
  .top .brand img{height:18px}
  .top .brand .sub{font-size:7.5px; letter-spacing:.3em; white-space:nowrap}
  .hdr-btn{padding:11px 13px; font-size:10px; letter-spacing:.14em}
  .top .top-r{gap:8px}
  .btn{padding:13px 18px}
}
@media (prefers-reduced-motion:reduce){ *,*::before,*::after{animation-duration:.01ms!important; transition-duration:.01ms!important} .rv{opacity:1; transform:none} }