/* ==========================================================================
   hero: routing-field shader, headline, the shortener form and result card
   ========================================================================== */

.hero{
  position:relative;min-height:100svh;overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;
  padding:calc(var(--nav-h) + 24px) 0 110px;
  background:radial-gradient(ellipse 80% 60% at 50% 120%,rgba(194,71,201,.26),transparent 70%),var(--bg);
}
#hero-gl{position:absolute;inset:0;width:100%;height:100%;}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 50% at 50% 50%,rgba(10,8,8,.74),transparent 78%),
    linear-gradient(to bottom,transparent 72%,var(--bg));
}
.hero-inner{position:relative;z-index:2;width:100%;max-width:1040px;margin:0 auto;padding:0 var(--gutter);text-align:center;}
.hero .eyebrow{justify-content:center;}
.hero .eyebrow::after{content:"";width:28px;height:1px;background:currentColor;}
@media (max-width:520px){.hero .eyebrow::before,.hero .eyebrow::after{display:none;}}
.hero h1{
  font-size:clamp(44px,7.4vw,120px);font-weight:700;line-height:.92;letter-spacing:-.055em;
  max-width:13ch;margin:0 auto;text-wrap:balance;
}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ---------- the form ---------- */
.shorten-wrap{position:relative;margin:clamp(32px,5vh,56px) auto 0;max-width:880px;text-align:left;}
.shorten{position:relative;z-index:2;}
.field{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:8px 8px 8px 22px;border-radius:22px;
  background:rgba(18,13,12,.78);border:1px solid var(--line2);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:0 30px 80px -30px rgba(0,0,0,.8);
  transition:border-color .4s;
}
.field:focus-within{border-color:transparent;}
.no-js .field:focus-within,.reduced .field:focus-within{border-color:var(--hot1);}
.field-ring{position:absolute;inset:-1px;width:calc(100% + 2px);height:calc(100% + 2px);pointer-events:none;overflow:visible;}
.field-ring rect{fill:none;stroke:url(#ring-grad);stroke-width:1.5;}
.field-label{
  flex:none;font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute);
  padding-right:14px;border-right:1px solid var(--line);white-space:nowrap;
}
.field-input{position:relative;flex:1;min-width:0;}
.field input{
  width:100%;border:0;background:none;outline:none;
  font-family:var(--mono);font-size:19px;letter-spacing:-.01em;color:var(--ink);
  padding:16px 4px;text-overflow:ellipsis;
}
.field input::placeholder{color:var(--mute);opacity:1;}
.field input:focus-visible{outline:none;}
.field.collapsing input{color:transparent;}
.field-ghost{
  position:absolute;left:4px;right:0;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:19px;letter-spacing:-.01em;color:var(--ink);
  white-space:pre;overflow:hidden;pointer-events:none;visibility:hidden;
}
.field-ghost .hot{color:var(--hot2);}
.go{flex:none;padding:19px 30px;}
.go.busy .arrow{animation:spin .8s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

.shorten-opts{display:flex;align-items:center;flex-wrap:wrap;gap:10px 22px;margin-top:14px;padding:0 6px;min-height:38px;}
.opt-toggle{
  display:inline-flex;align-items:center;gap:8px;background:none;border:0;cursor:pointer;padding:6px 0;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);
}
.opt-toggle:hover{color:var(--ink);}
.opt-toggle .plus{
  display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;border:1px solid var(--line2);
  font-size:13px;line-height:1;transition:transform .45s var(--ease-out),border-color .3s;
}
.opt-toggle[aria-expanded="true"] .plus{transform:rotate(45deg);border-color:var(--hot2);}
.alias-row{
  display:flex;align-items:center;gap:0;flex-wrap:wrap;
  font-family:var(--mono);font-size:15px;
}
.alias-row label{color:var(--dim);padding:10px 0 10px 14px;border:1px solid var(--line2);border-right:0;border-radius:999px 0 0 999px;background:rgba(18,13,12,.7);}
.alias-row input{
  width:190px;padding:10px 16px 10px 2px;border:1px solid var(--line2);border-left:0;border-radius:0 999px 999px 0;
  background:rgba(18,13,12,.7);outline:none;font-family:var(--mono);font-size:16px;color:var(--ink);
}
.alias-row:focus-within label,.alias-row:focus-within input{border-color:var(--hot1);}
.alias-row input::placeholder{color:var(--mute);}
.alias-hint{font-size:11px;letter-spacing:.06em;color:var(--mute);margin-left:14px;}
.alias-hint.bad{color:var(--bad);}
.alias-hint.good{color:var(--ok);}
.shorten-note{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--mute);}
.js .alias-row:not([hidden]) ~ .shorten-note{display:none;}

.form-msg{
  min-height:0;margin:0 6px;font-family:var(--mono);font-size:13px;line-height:1.5;color:var(--dim);
}
.form-msg:not(:empty){margin-top:12px;}
.form-msg.error{color:#ffb3c0;}
.form-msg.error::before{content:"✕  ";color:var(--bad);}
.form-msg.quiet{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}

/* ---------- trace from form to result ---------- */
.route-trace{position:absolute;left:0;top:0;width:100%;pointer-events:none;overflow:visible;z-index:1;}
.route-trace .bg{fill:none;stroke:var(--line2);stroke-width:2;}
.route-trace .fg{fill:none;stroke:url(#route-grad);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 6px rgba(194,71,201,.8));}
.route-trace .via{fill:var(--bg);stroke:rgba(255,255,255,.35);stroke-width:1.5;}
.route-trace .spark{fill:#fff;filter:drop-shadow(0 0 6px var(--hot4)) drop-shadow(0 0 14px var(--hot2));}

/* ---------- result card ---------- */
.result{position:relative;z-index:2;margin-top:64px;outline:none;}
.result-card{
  position:relative;padding:clamp(22px,3vw,34px);border-radius:22px;
  background:linear-gradient(180deg,rgba(26,19,17,.94),rgba(18,13,12,.94));
  border:1px solid var(--line2);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:0 40px 100px -40px rgba(138,92,255,.45),0 0 0 1px rgba(255,255,255,.02) inset;
}
.result-card::before{
  content:"";position:absolute;left:24px;right:24px;top:-1px;height:1px;background:var(--grad);opacity:.9;
}
.result-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.result-head .eyebrow{margin:0;}
.result-status{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ok);}
.result-status i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);}
.result-main{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-bottom:22px;border-bottom:1px solid var(--line);}
.result-link-wrap{min-width:0;}
.result-short{
  display:inline-flex;align-items:center;max-width:100%;
  font-family:var(--mono);font-weight:700;font-size:clamp(22px,3.4vw,40px);letter-spacing:-.03em;
  text-decoration:none;word-break:break-all;
}
.result-short .txt{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.result-short:hover .txt{text-decoration:underline;text-decoration-color:var(--hot1);text-underline-offset:6px;}
.result-short .caret{display:inline-block;width:.55ch;height:1.05em;margin-left:3px;background:var(--hot2);opacity:0;}
.result-short.typing .caret{opacity:1;animation:caret .8s steps(1) infinite;}
@keyframes caret{50%{opacity:0;}}
.result-target{
  margin-top:8px;font-family:var(--mono);font-size:12.5px;color:var(--dim);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60ch;
}
.copy-main{padding:14px 22px;font-size:12px;}
.copy-main:not(.done){background:var(--ink);color:var(--bg);border-color:var(--ink);}
.copy-main:not(.done):hover{background:#fff;}

.result-grid{display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,3vw,36px);padding-top:22px;align-items:start;}
.result-qr{display:grid;gap:10px;justify-items:center;}
.qr{width:148px;height:148px;padding:10px;border-radius:14px;background:#f4ede8;}
.qr svg{width:100%;height:100%;}
.qr rect{fill:#0a0808;}
.qr-actions{display:flex;gap:8px;}
.qr-dl{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);
  background:none;border:1px solid var(--line);border-radius:999px;padding:6px 11px;cursor:pointer;
}
.qr-dl:hover{color:var(--ink);border-color:var(--line2);}

.result-edit .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--hot4);display:flex;align-items:center;gap:8px;}
.result-edit .key{font-size:15px;letter-spacing:0;}
.result-edit-note{margin:10px 0 14px;font-size:14px;line-height:1.55;color:var(--dim);max-width:52ch;}
.edit-row{display:flex;gap:8px;align-items:center;}
.edit-row input{
  flex:1;min-width:0;padding:11px 14px;border-radius:12px;border:1px dashed rgba(255,176,58,.45);
  background:rgba(255,176,58,.05);font-family:var(--mono);font-size:13px;color:var(--ink);outline:none;
}
.edit-row input:focus{border-style:solid;border-color:var(--hot4);}
.edit-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;margin-top:14px;}
.remember{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;color:var(--dim);cursor:pointer;}
.remember input{accent-color:var(--hot1);width:16px;height:16px;}
.result-foot{display:flex;justify-content:flex-end;margin-top:22px;padding-top:18px;border-top:1px solid var(--line);}

/* ---------- links kept on this device ---------- */
.device-links{margin:18px 6px 0;font-family:var(--mono);font-size:12px;color:var(--dim);}
.device-links summary{cursor:pointer;letter-spacing:.12em;text-transform:uppercase;font-size:11px;list-style:none;display:inline-flex;gap:8px;align-items:center;}
.device-links summary::-webkit-details-marker{display:none;}
.device-links summary::before{content:"▸";transition:transform .3s;}
.device-links[open] summary::before{transform:rotate(90deg);}
.device-links summary:hover{color:var(--ink);}
.device-links .count{color:var(--hot2);}
.device-links ul{list-style:none;margin-top:12px;display:grid;gap:6px;}
.device-links li{display:flex;align-items:center;gap:14px;padding:9px 12px;border:1px solid var(--line);border-radius:12px;background:rgba(18,13,12,.6);}
.device-links li .s{color:var(--ink);text-decoration:none;flex:none;}
.device-links li .t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--mute);}
.device-links li .m{color:var(--hot2);text-decoration:none;flex:none;}
.device-links li .m:hover,.device-links li .s:hover{text-decoration:underline;}
.device-note{margin-top:10px;font-size:11px;color:var(--mute);}

/* ---------- meta row ---------- */
.hero-meta{
  position:absolute;left:0;right:0;bottom:28px;z-index:2;
  display:flex;justify-content:space-between;align-items:flex-end;padding:0 var(--gutter);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);
}
.hero-meta ul{list-style:none;display:flex;gap:18px;}
.hero-meta li::before{content:"/ ";color:var(--hot2);}
.scroll-cue{display:flex;align-items:center;gap:12px;}
.scroll-cue i{position:relative;width:1px;height:44px;background:var(--line2);overflow:hidden;}
.scroll-cue i::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:40%;background:var(--hot2);
  animation:cue 1.8s var(--ease-out) infinite;
}
@keyframes cue{from{transform:translateY(-100%);}to{transform:translateY(260%);}}

/* ---------- small screens ---------- */
@media (max-width:760px){
  .hero{justify-content:flex-start;padding-top:calc(var(--nav-h) + 28px);padding-bottom:96px;}
  .hero h1{font-size:clamp(40px,12vw,64px);}
  .shorten-wrap{margin-top:26px;}
  .field{flex-wrap:wrap;padding:8px;border-radius:18px;gap:6px;}
  .field-label{padding:10px 12px 0;border-right:0;width:100%;}
  .field-input{flex:1 1 100%;}
  .field input,.field-ghost{font-size:17px;}
  .field input{padding:10px 12px 14px;}
  .field-ghost{left:12px;}
  .go{width:100%;}
  .shorten-opts{padding:0 2px;}
  .alias-row input{width:150px;}
  .alias-hint{flex-basis:100%;margin:8px 0 0 4px;}
  .result{margin-top:52px;}
  .result-main{flex-direction:column;align-items:stretch;}
  .copy-main{justify-content:center;}
  .result-grid{grid-template-columns:1fr;}
  .result-qr{justify-items:start;grid-template-columns:auto auto;align-items:end;justify-content:start;gap:14px;}
  .qr-actions{flex-direction:column;}
  .hero-meta ul{display:none;}
  .hero-meta{justify-content:center;}
}
@media (max-height:720px) and (min-width:761px){
  .hero h1{font-size:clamp(40px,6vw,84px);}
}
@media (prefers-reduced-motion:reduce){
  .scroll-cue i::after,.go.busy .arrow,.result-short.typing .caret{animation:none;}
}