/* mantenimientoCNC — sitio público de MCNC Asistente */
:root{
  --navy:#16294A; --navy-2:#0F1D36; --navy-3:#1F3760; --orange:#E8792F; --orange-2:#F08E4B;
  --bg:#F5F7FB; --surface:#FFFFFF; --text:#14213A; --muted:#5B6882; --line:#DCE2EC; --soft:#EEF2F8;
  --ok:#1E8E5A; --ok-bg:#E3F4EB;
  --f-title:"Space Grotesk",system-ui,sans-serif;
  --f-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --r:16px; --wrap:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--f-body);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--f-title);line-height:1.15;margin:0;letter-spacing:-.01em}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.mono{font-family:var(--f-mono)}
.accent{color:var(--orange)}
.eyebrow{font:600 12px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--orange)}

/* --- botones --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:12px;
  font:600 15.5px var(--f-body);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .12s,background .15s,border-color .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-2)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:#fff}
.btn-line{background:var(--surface);color:var(--navy);border-color:var(--line)}
.btn-line:hover{border-color:var(--navy)}
.btn-block{width:100%}

/* --- encabezado --- */
.nav{position:sticky;top:0;z-index:30;background:rgba(15,29,54,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:66px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;font:700 19px var(--f-title);white-space:nowrap}
.logo img{width:34px;height:34px;border-radius:8px}
.logo .lt{display:inline}
.logo .lt b{color:var(--orange);font-weight:700}
.nav ul{display:flex;gap:4px;list-style:none;margin:0 0 0 auto;padding:0}
.nav ul a{display:block;padding:8px 12px;border-radius:8px;color:#C9D3E4;text-decoration:none;font-size:14.5px;font-weight:500}
.nav ul a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav .btn{min-height:40px;padding:0 16px;font-size:14.5px}
.menu-btn{display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;border:0;background:transparent;color:#fff;cursor:pointer}
.menu-btn svg{width:24px;height:24px}
@media (max-width:880px){
  .nav ul{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;background:var(--navy-2);padding:10px 16px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav.open ul{display:flex}
  .nav ul a{padding:12px}
  .menu-btn{display:grid;place-items:center}
  .nav .nav-cta{display:none}
  .nav.open .nav-cta-m{display:block}
}
.nav-cta-m{display:none}
@media (max-width:880px){.nav-cta-m{display:block;margin-top:6px}.nav-cta-m .btn{width:100%}}

/* --- hero --- */
.hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(232,121,47,.22),transparent 60%),linear-gradient(180deg,var(--navy-2),var(--navy) 70%);color:#fff;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:72px}
.hero h1{font-size:clamp(34px,5vw,54px);font-weight:700}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .lead{margin-top:18px;font-size:clamp(16.5px,1.6vw,19px);color:#C9D3E4;max-width:560px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero .fine{margin-top:14px;font:500 13px var(--f-mono);color:#93A3BF}
.hero .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.hero .chips span{font:500 12.5px var(--f-mono);color:#C9D3E4;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);padding:6px 10px;border-radius:8px}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:40px;padding-top:44px;padding-bottom:56px}}

/* --- maqueta de teléfono --- */
.phone{justify-self:center;width:min(360px,100%);background:#0B1528;border-radius:38px;padding:10px;box-shadow:0 30px 80px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.08)}
.screen{background:#F3F5F9;border-radius:30px;overflow:hidden;color:var(--text);font-size:13.5px;line-height:1.45}
.screen .bar{background:var(--navy);color:#fff;padding:14px 16px 12px;display:flex;align-items:center;gap:10px}
.screen .bar b{font:600 14.5px var(--f-title);display:block}
.screen .bar small{font:500 11px var(--f-mono);color:#9FB0CC}
.screen .chip{margin-left:auto;font:600 10px var(--f-mono);padding:4px 7px;border-radius:6px;background:#E4EEFB;color:#1E5FBF}
.msgs{padding:14px 12px 16px;display:flex;flex-direction:column;gap:10px}
.m{max-width:88%;padding:10px 12px;border-radius:14px}
.m.u{align-self:flex-end;background:var(--navy);color:#fff;border-bottom-right-radius:5px}
.m.b{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}
.m.b ol{margin:6px 0 0;padding-left:18px}
.m.b li{margin:2px 0}
.photo{height:72px;border-radius:9px;margin-bottom:6px;background:linear-gradient(135deg,#2B3F63,#556B93);position:relative;overflow:hidden}
.photo::after{content:"SV0436  SOFT THERMAL (OVC)";position:absolute;left:8px;top:8px;font:600 10px var(--f-mono);color:#FFD9BF;background:rgba(0,0,0,.35);padding:3px 5px;border-radius:4px}
.src{margin-top:8px;padding-top:7px;border-top:1px dashed var(--line);font:500 11px var(--f-mono);color:var(--muted)}
.src b{color:var(--orange)}
.src a{color:#1E5FBF;text-decoration:none}

/* --- secciones --- */
section{padding:84px 0}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:clamp(28px,3.4vw,40px);margin-top:12px}
.sec-head p{margin-top:14px;color:var(--muted);font-size:17px}
.center{text-align:center;margin-left:auto;margin-right:auto}
.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (max-width:640px){section{padding:60px 0}}

/* pasos */
/* --- video demostrativo --- */
.demo{margin:0 0 36px;border-radius:var(--r);overflow:hidden;background:var(--navy-2);box-shadow:0 24px 60px rgba(15,29,54,.18),0 0 0 1px rgba(15,29,54,.08);scroll-margin-top:88px}
.demo video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#0B1528;object-fit:cover}
.demo figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 16px;padding:10px 16px;font:500 12.5px var(--f-mono);color:#93A3BF}
.demo figcaption span:first-child{color:#fff}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.step::before{counter-increment:s;content:"0" counter(s);font:600 13px var(--f-mono);color:var(--orange);display:block;margin-bottom:14px}
.step h3{font-size:20px}
.step p{margin-top:10px;color:var(--muted)}
@media (max-width:860px){.steps{grid-template-columns:1fr}}

/* funciones */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.alt .card{background:var(--bg)}
.card .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--navy);color:var(--orange);margin-bottom:16px}
.card .ic svg{width:22px;height:22px}
.card h3{font-size:18px}
.card p{margin-top:8px;color:var(--muted);font-size:15px}
.card .tag{display:inline-block;margin-top:12px;font:600 11px var(--f-mono);color:var(--navy-3);background:var(--soft);padding:4px 8px;border-radius:6px}
@media (max-width:960px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid{grid-template-columns:1fr}}

/* perfiles */
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.who{border-radius:var(--r);padding:30px;border:1px solid var(--line);background:var(--surface)}
.who.dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.who h3{font-size:22px}
.who ul{margin:16px 0 0;padding:0;list-style:none}
.who li{padding:8px 0 8px 28px;position:relative;border-top:1px solid var(--line)}
.who.dark li{border-color:rgba(255,255,255,.12);color:#D6DEEC}
.who li::before{content:"";position:absolute;left:4px;top:15px;width:10px;height:10px;border-radius:3px;background:var(--orange)}
@media (max-width:760px){.two{grid-template-columns:1fr}}

/* planes */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px;display:flex;flex-direction:column}
.plan.featured{border:2px solid var(--orange);box-shadow:0 18px 40px rgba(232,121,47,.14);position:relative}
.plan.featured .badge{position:absolute;top:-13px;left:28px;background:var(--orange);color:#fff;font:600 11.5px var(--f-mono);padding:5px 10px;border-radius:999px;letter-spacing:.04em}
.plan h3{font-size:22px}
.plan .for{color:var(--muted);font-size:14.5px;margin-top:6px;min-height:44px}
.plan .price{margin:18px 0 4px;font:700 34px var(--f-title);color:var(--navy)}
.plan .price small{font:500 13px var(--f-mono);color:var(--muted);display:block;margin-top:4px}
.plan .price-alt{font-size:13.5px;color:var(--muted);line-height:1.5;margin-top:2px}
.link-btn{background:none;border:0;padding:0;font:inherit;color:var(--orange);text-decoration:underline;cursor:pointer}
.plan ul{list-style:none;padding:0;margin:18px 0 24px;flex:1}
.plan li{display:flex;gap:10px;padding:7px 0;font-size:14.8px;border-top:1px solid var(--line)}
.plan li svg{flex:0 0 18px;height:18px;margin-top:3px;color:var(--ok)}
.plan li.no{color:var(--muted)}
.plan li.no svg{color:#A7B1C4}
.plan-ind{margin-top:22px;display:grid;grid-template-columns:1.6fr 1fr;gap:28px;background:var(--navy);color:#fff;border-radius:20px;padding:30px;position:relative;box-shadow:0 22px 50px rgba(22,41,74,.22)}
.plan-ind h3{font-size:26px;color:#fff}.plan-ind h3 small{display:block;font:500 14px var(--f-body);color:#C9D3E6;margin-top:4px}
.plan-ind .for{color:#C9D3E6;font-size:15px;margin-top:8px}
.plan-ind ul{list-style:none;padding:0;margin:16px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:4px 18px}
.plan-ind li{display:flex;gap:10px;padding:6px 0;font-size:14.5px;border-top:1px solid rgba(255,255,255,.12)}
.plan-ind li svg{flex:0 0 18px;height:18px;margin-top:3px;color:var(--orange)}
.pi-tag{display:inline-block;background:var(--orange);color:#fff;font:600 11.5px var(--f-mono);padding:5px 10px;border-radius:999px;letter-spacing:.04em;margin-bottom:10px}
.pi-cta{display:flex;flex-direction:column;justify-content:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:22px}
.pi-cta .price{font:700 30px var(--f-title);color:#fff}.pi-cta .price small{display:block;font:500 13px var(--f-mono);color:#C9D3E6;margin-top:4px}
.pi-cta .price-alt{color:#C9D3E6;font-size:13.5px;line-height:1.5;margin:10px 0 18px}
.needs{display:grid;grid-template-columns:1fr 1fr;gap:6px 12px}
@media (max-width:960px){.plan-ind{grid-template-columns:1fr;max-width:520px;margin-left:auto;margin-right:auto}.plan-ind ul{grid-template-columns:1fr}}
@media (max-width:520px){.needs{grid-template-columns:1fr}.plan-ind{padding:22px}}
.plans-note{margin-top:22px;text-align:center;color:var(--muted);font-size:14.5px}
@media (max-width:960px){.plans{grid-template-columns:1fr;max-width:520px;margin:0 auto}}

/* confianza */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust div{padding:20px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.trust h4{font-size:16px;color:#fff}
.trust p{margin-top:6px;color:#B8C4D8;font-size:14.5px}
.dark-sec{background:var(--navy);color:#fff}
.dark-sec .sec-head p{color:#B8C4D8}
@media (max-width:900px){.trust{grid-template-columns:1fr 1fr}}
@media (max-width:540px){.trust{grid-template-columns:1fr}}

/* preguntas */
.faq{max-width:820px;margin:0 auto}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:12px}
.faq summary{cursor:pointer;list-style:none;padding:18px 52px 18px 20px;font:600 16.5px var(--f-title);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font:500 24px var(--f-mono);color:var(--orange)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 20px 18px;color:var(--muted)}

/* llamada final */
.final{background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;border-radius:24px;padding:48px;display:flex;gap:30px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.final h2{font-size:clamp(26px,3vw,36px);max-width:560px}
.final p{color:#C9D3E4;margin-top:10px}

/* pie */
footer{background:var(--navy-2);color:#AEBBD1;padding:56px 0 30px;font-size:14.5px}
.doc + footer,main + footer{margin-top:0}
main:has(.doc) + footer,main:has(.nf) + footer{margin-top:60px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
footer h4{color:#fff;font-size:15px;margin-bottom:12px}
footer a{color:#AEBBD1;text-decoration:none}
footer a:hover{color:#fff}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:6px 0}
footer .legal{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7E8DA8}
@media (max-width:760px){footer .cols{grid-template-columns:1fr}}

/* formulario de plan */
dialog{border:0;border-radius:20px;padding:0;width:min(560px,calc(100% - 28px));max-height:calc(100% - 28px);box-shadow:0 30px 80px rgba(0,0,0,.35);color:var(--text)}
dialog::backdrop{background:rgba(11,21,40,.6)}
.dlg{padding:26px}
.dlg-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.dlg-head h3{font-size:22px}
.dlg-head button{border:0;background:var(--soft);width:36px;height:36px;border-radius:10px;font-size:20px;cursor:pointer;color:var(--navy)}
.dlg p.sub{color:var(--muted);font-size:14.5px;margin-top:6px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px;margin-top:18px}
.form .full{grid-column:1/-1}
.form label{display:block;font:600 12.5px var(--f-mono);color:var(--muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.04em}
.form input,.form select,.form textarea{width:100%;font:15.5px var(--f-body);color:var(--text);background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:11px 12px}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--orange)}
.form label.chk{display:flex;gap:10px;align-items:flex-start;font:14px/1.45 var(--f-body);text-transform:none;letter-spacing:0;color:var(--text);margin:0}
.form .chk input{width:18px;height:18px;margin-top:3px;accent-color:var(--orange);flex-shrink:0}
.form .hp{position:absolute;left:-5000px}
.form .err{color:#C23B3B;font-size:14px;min-height:20px}
.ok-box{text-align:center;padding:20px 6px}
.ok-box .big{width:60px;height:60px;border-radius:50%;background:var(--ok-bg);color:var(--ok);display:grid;place-items:center;margin:0 auto 14px}
@media (max-width:520px){.form{grid-template-columns:1fr}.dlg{padding:20px}}

/* páginas legales */
.doc-hero{background:var(--navy);color:#fff;padding:52px 0 44px}
.doc-hero h1{font-size:clamp(28px,4vw,42px)}
.doc-hero p{margin-top:10px;color:#B8C4D8;font:500 13.5px var(--f-mono)}
.doc{max-width:820px;margin:0 auto;padding:44px 20px 10px}
.doc h2{font-size:22px;margin:38px 0 12px;padding-top:6px}
.doc h3{font-size:17.5px;margin:22px 0 8px}
.doc p,.doc li{color:#2A3752}
.doc p{margin:10px 0}
.doc ul,.doc ol{padding-left:22px}
.doc li{margin:6px 0}
.doc .toc{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-top:6px}
.doc .toc ol{margin:8px 0 0;columns:2;column-gap:30px}
.doc .toc a{text-decoration:none;color:var(--navy-3)}
.doc .note{background:#FCEEE3;border-left:4px solid var(--orange);padding:14px 16px;border-radius:10px;margin:18px 0;color:#5A3514}
.doc table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14.5px}
.doc th,.doc td{text-align:left;border:1px solid var(--line);padding:9px 10px;vertical-align:top}
.doc th{background:var(--soft);font-family:var(--f-title)}
.tablewrap{overflow-x:auto}
@media (max-width:640px){.doc .toc ol{columns:1}}

/* 404 */
.nf{min-height:60vh;display:grid;place-items:center;text-align:center;padding:60px 20px}
.nf h1{font-size:64px;color:var(--orange)}
.nf p{color:var(--muted);margin:12px 0 24px}