/* NeuMax — sistema visual. Oscuro premium, acento oro BRB, semáforo para estado de llantas. */
:root{
  --bg:#0a0a0c; --bg2:#101014; --card:#15151a; --card2:#1b1b21; --line:#26262e; --line2:#33333d;
  --tx:#f3f1ea; --mut:#9b988f; --mut2:#6d6a63;
  --gold:#d4af37; --gold2:#f1d47a; --goldbg:rgba(212,175,55,.12);
  --ok:#3ddc97; --okbg:rgba(61,220,151,.12); --warn:#f5b83d; --warnbg:rgba(245,184,61,.13); --bad:#ff6b6b; --badbg:rgba(255,107,107,.13); --gray:#6d6a63;
  --r:16px; --r2:22px; --sh:0 10px 30px rgba(0,0,0,.35);
  --f:'DM Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif; --fh:'Sora',var(--f);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--tx);font:15px/1.55 var(--f);min-height:100vh;-webkit-font-smoothing:antialiased}
body.app{padding-bottom:84px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--fh);font-weight:600;letter-spacing:-.02em;line-height:1.2}
h1{font-size:clamp(26px,5vw,36px)} h2{font-size:21px} h3{font-size:17px}
.mut{color:var(--mut)} .mut2{color:var(--mut2)} .gold{color:var(--gold)} .sm{font-size:13px} .xs{font-size:12px}
.num{font-family:var(--fh);font-variant-numeric:tabular-nums}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.stack>*+*{margin-top:14px} .stack-lg>*+*{margin-top:26px}
.row{display:flex;gap:12px;align-items:center} .between{justify-content:space-between} .wrapf{flex-wrap:wrap}
.grid{display:grid;gap:14px} .g2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))} .g4{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}

/* header */
.top{position:sticky;top:0;z-index:30;background:rgba(10,10,12,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--fh);font-weight:700;font-size:19px;letter-spacing:-.03em}
.logo i{font-style:normal;color:var(--gold)}
.logo svg{width:28px;height:28px}
.topnav{display:flex;gap:4px}
.topnav a{padding:8px 12px;border-radius:10px;color:var(--mut);font-size:14px;font-weight:500}
.topnav a:hover,.topnav a.on{color:var(--tx);background:var(--card)}
@media (max-width:760px){.topnav.desk{display:none}}

/* bottom nav (móvil) */
.bnav{position:fixed;bottom:0;left:0;right:0;z-index:40;background:rgba(14,14,17,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:8px 6px calc(8px + env(safe-area-inset-bottom))}
.bnav a{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;color:var(--mut);padding:4px 10px;border-radius:12px;min-width:62px}
.bnav a svg{width:22px;height:22px}
.bnav a.on{color:var(--gold)}
.bnav a.cta{color:#111;background:var(--gold);margin-top:-22px;border-radius:18px;padding:10px 14px;box-shadow:0 8px 24px rgba(212,175,55,.35)}
@media (min-width:761px){.bnav{display:none} body.app{padding-bottom:30px}}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r2);padding:18px}
.card.pad-lg{padding:24px}
.card.link{transition:border-color .2s,transform .2s} .card.link:hover{border-color:var(--line2);transform:translateY(-1px)}
.card h3{margin-bottom:4px}
.sect{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:26px 0 12px}
.sect h2{font-size:18px}
.divider{height:1px;background:var(--line);margin:16px 0}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;border-radius:14px;border:1px solid var(--line2);background:var(--card2);color:var(--tx);font:600 15px var(--f);cursor:pointer;transition:transform .12s,background .2s,border-color .2s;white-space:nowrap}
.btn:hover{border-color:#4a4a55} .btn:active{transform:scale(.98)}
.btn.gold{background:linear-gradient(180deg,var(--gold2),var(--gold));color:#141107;border-color:transparent;box-shadow:0 6px 20px rgba(212,175,55,.22)}
.btn.wa{background:#1fae5b;border-color:transparent;color:#fff}
.btn.ghost{background:transparent}
.btn.sm{height:36px;padding:0 14px;font-size:13px;border-radius:11px}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn svg{width:18px;height:18px}

/* formularios */
label.f{display:block}
label.f>span{display:block;font-size:13px;color:var(--mut);margin-bottom:6px;font-weight:500}
input,select,textarea{width:100%;background:var(--bg2);border:1px solid var(--line2);border-radius:12px;color:var(--tx);font:15px var(--f);padding:12px 14px;outline:none;transition:border-color .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px var(--goldbg)}
textarea{min-height:90px;resize:vertical}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--mut)}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--gold)}
.fgrid{display:grid;gap:14px;grid-template-columns:1fr 1fr} .fgrid .full{grid-column:1/-1}
@media (max-width:560px){.fgrid{grid-template-columns:1fr}}

/* alertas */
.alert{border-radius:14px;padding:12px 14px;font-size:14px;border:1px solid}
.alert.ok{background:var(--okbg);border-color:rgba(61,220,151,.3);color:#b6f5d8}
.alert.err{background:var(--badbg);border-color:rgba(255,107,107,.35);color:#ffc9c9}
.alert.info{background:var(--goldbg);border-color:rgba(212,175,55,.35);color:#f3e2a6}

/* semáforo */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--card2);color:var(--mut);white-space:nowrap}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.pill.verde{background:var(--okbg);color:var(--ok)} .pill.amarillo{background:var(--warnbg);color:var(--warn)} .pill.rojo{background:var(--badbg);color:var(--bad)} .pill.gris{color:var(--mut2)}
.pill.plain::before{display:none}
.c-verde{color:var(--ok)} .c-amarillo{color:var(--warn)} .c-rojo{color:var(--bad)} .c-gris{color:var(--mut2)}

/* anillo de salud */
.ring{position:relative;display:inline-grid;place-items:center}
.ring svg{transform:rotate(-90deg)}
.ring .rv{position:absolute;text-align:center;line-height:1}
.ring .rv b{display:block;font-family:var(--fh);font-weight:700}
.ring .rv small{display:block;color:var(--mut);font-size:11px;margin-top:3px}
.ring circle.p{transition:stroke-dashoffset 1.1s cubic-bezier(.2,.8,.2,1)}

/* auto vista superior */
.car{width:100%;max-width:240px;margin:0 auto;display:block}
.car .tire{transition:fill .3s}

/* vehículo card */
.veh{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}
.veh .meta{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--mut);margin-top:6px}

/* llantas grid */
.tires{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.tire-c{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:12px;display:flex;gap:10px;align-items:center}
.tire-c .tv{font-family:var(--fh);font-weight:700;font-size:20px}
.tire-c .tl{font-size:12px;color:var(--mut)}

/* inspección: captura */
.slots{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media (min-width:760px){.slots{grid-template-columns:repeat(5,1fr)}}
.slot{position:relative;aspect-ratio:3/4;border:1.5px dashed var(--line2);border-radius:18px;background:var(--bg2);overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;cursor:pointer;transition:border-color .2s}
.slot:hover{border-color:var(--gold)}
.slot input{position:absolute;inset:0;opacity:0;cursor:pointer}
.slot .lbl{font-weight:600;font-size:14px} .slot .hint{font-size:12px;color:var(--mut);padding:0 8px}
.slot .ico{width:34px;height:34px;color:var(--gold)}
.slot img.pv{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slot .ov{position:absolute;inset:auto 0 0 0;padding:28px 10px 10px;background:linear-gradient(transparent,rgba(0,0,0,.85));text-align:left}
.slot.done{border-style:solid}
.slot.v-verde{border-color:var(--ok)} .slot.v-amarillo{border-color:var(--warn)} .slot.v-rojo{border-color:var(--bad)} .slot.v-gris{border-color:var(--line2)}
.slot .scan{position:absolute;inset:0;background:rgba(10,10,12,.55);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;font-size:13px}
.slot .scan::after{content:"";position:absolute;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);box-shadow:0 0 18px var(--gold);animation:scan 1.6s ease-in-out infinite}
@keyframes scan{0%{top:8%}50%{top:92%}100%{top:8%}}
.spin{width:26px;height:26px;border:3px solid rgba(255,255,255,.15);border-top-color:var(--gold);border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.tips{display:grid;gap:8px;font-size:13px;color:var(--mut)}
.tips div{display:flex;gap:10px} .tips b{color:var(--gold);font-family:var(--fh)}

/* resultado */
.res{display:grid;grid-template-columns:120px 1fr;gap:14px}
.res img{width:120px;height:150px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
@media (max-width:480px){.res{grid-template-columns:92px 1fr}.res img{width:92px;height:118px}}
.bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden}
.bar>i{display:block;height:100%;border-radius:99px;background:currentColor;transition:width 1s cubic-bezier(.2,.8,.2,1)}
.kv{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:13px;color:var(--mut)} .kv b{color:var(--tx);font-weight:600}

/* timeline */
.tl{position:relative;padding-left:26px}
.tl::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-i{position:relative;padding-bottom:18px}
.tl-i::before{content:"";position:absolute;left:-23px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--card);border:2px solid var(--gold)}
.tl-i.s::before{border-color:var(--mut)}
.tl-i.verde::before{border-color:var(--ok);background:var(--okbg)} .tl-i.amarillo::before{border-color:var(--warn);background:var(--warnbg)} .tl-i.rojo::before{border-color:var(--bad);background:var(--badbg)}
.tl-d{font-size:12px;color:var(--mut2);margin-bottom:2px}

/* gráfica */
.chart{width:100%;height:auto;display:block}
.chart .ln{fill:none;stroke:var(--gold);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.chart .ar{fill:url(#gfill)}
.chart .gd{stroke:var(--line);stroke-width:1}
.chart text{fill:var(--mut2);font:11px var(--f)}

/* chat */
.chat{display:flex;flex-direction:column;height:calc(100vh - 60px - 84px)}
@media (min-width:761px){.chat{height:calc(100vh - 60px - 30px)}}
.msgs{flex:1;overflow-y:auto;padding:16px 0;display:flex;flex-direction:column;gap:10px}
.msg{max-width:84%;padding:11px 14px;border-radius:18px;font-size:15px;white-space:pre-wrap;word-wrap:break-word}
.msg.user{align-self:flex-end;background:var(--gold);color:#141107;border-bottom-right-radius:6px}
.msg.assistant{align-self:flex-start;background:var(--card);border:1px solid var(--line);border-bottom-left-radius:6px}
.msg.typing{color:var(--mut)}
.composer{display:flex;gap:8px;padding:10px 0 12px;border-top:1px solid var(--line)}
.composer textarea{min-height:46px;max-height:140px;height:46px;border-radius:14px}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
.chips button{flex:none;background:var(--card);border:1px solid var(--line2);color:var(--tx);border-radius:999px;padding:8px 14px;font:13px var(--f);cursor:pointer}
.chips button:hover{border-color:var(--gold)}

/* tablas admin */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;font-weight:500;color:var(--mut);font-size:12px;text-transform:uppercase;letter-spacing:.06em;padding:10px 12px;border-bottom:1px solid var(--line)}
.tbl td{padding:12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:hover td{background:rgba(255,255,255,.015)}
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px}
.kpi .kl{font-size:12px;color:var(--mut);text-transform:uppercase;letter-spacing:.06em}
.kpi .kv2{font-family:var(--fh);font-size:28px;font-weight:700;margin-top:6px;letter-spacing:-.02em}
.kpi .ks{font-size:12px;color:var(--mut2);margin-top:2px}
.kpi.hl{border-color:rgba(212,175,55,.45);background:linear-gradient(160deg,rgba(212,175,55,.10),var(--card) 60%)}
.tabs{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.tabs a{flex:none;padding:8px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:13px;color:var(--mut)}
.tabs a.on{border-color:var(--gold);color:var(--tx)}
details.ed summary{cursor:pointer;list-style:none;color:var(--gold);font-size:13px;font-weight:600}
details.ed summary::-webkit-details-marker{display:none}

/* landing */
.hero{position:relative;overflow:hidden;padding:72px 0 56px}
.hero::before{content:"";position:absolute;inset:-40% -20% auto auto;width:720px;height:720px;background:radial-gradient(circle,rgba(212,175,55,.16),transparent 62%);pointer-events:none}
.hero .eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:13px;color:var(--gold);background:var(--goldbg);border:1px solid rgba(212,175,55,.3);padding:6px 12px;border-radius:999px;font-weight:600}
.hero h1{font-size:clamp(34px,7vw,60px);margin:18px 0 16px;max-width:780px;letter-spacing:-.035em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--gold2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(16px,2.4vw,19px);color:var(--mut);max-width:620px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:40px;align-items:center}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero{padding:44px 0 30px}}
.mock{background:var(--card);border:1px solid var(--line2);border-radius:28px;padding:20px;box-shadow:var(--sh)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.step b.n{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--goldbg);color:var(--gold);font-family:var(--fh);margin-bottom:12px}
.lsec{padding:44px 0}
.foot{border-top:1px solid var(--line);padding:26px 0 40px;color:var(--mut2);font-size:13px}
.fade{animation:fd .5s ease both} @keyframes fd{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}