/* ==========================================================================
   Cerrajería Móvil Tijuana — sistema de diseño (index + blog) · v3
   Oscuro premium · acento ámbar/rojo · móvil primero · Sora + Barlow + Nunito
   ========================================================================== */

:root{
  --bg:#0a0a10; --bg-2:#101018; --card:#16161f; --card-2:#191922; --card-3:#141420;
  --surface:#1d1d29; --line:#26262f; --line-2:#37374a;
  --tx:#f5f5f9; --tx-2:#a9a9ba; --tx-3:#71718a;
  --red:#dc3232; --red-2:#ef4a4a; --amber:#f6ad55; --amber-2:#ffc98a;
  --wa:#25d366;
  --shadow:0 26px 60px -26px rgba(0,0,0,.8);
  --shadow-btn:0 12px 26px -12px rgba(0,0,0,.65);
  --radius:22px; --radius-sm:14px; --maxw:1140px;
  --f-head:"Sora",system-ui,sans-serif;
  --f-round:"Nunito",sans-serif;
  --f-cond:"Barlow Condensed",sans-serif;
  --f-body:"Barlow",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--tx);font-family:var(--f-body);
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.ic{width:1.2em;height:1.2em;flex-shrink:0;display:inline-block}
.center{text-align:center}
.measure{max-width:60ch;margin-left:auto;margin-right:auto}
.muted{color:var(--tx-2)}
.m0{margin:0}.mt{margin-top:30px}.mb{margin-bottom:34px}.mb-sm{margin-bottom:10px}

/* tipografía */
h1,h2,h3{margin:0 0 .5em;line-height:1.08;font-weight:700}
h1{font-family:var(--f-head);font-weight:800;font-size:clamp(32px,6.5vw,56px);letter-spacing:-.025em;line-height:1.02}
h2{font-family:var(--f-head);font-weight:800;font-size:clamp(26px,4.6vw,40px);letter-spacing:-.02em}
h3{font-family:var(--f-round);font-weight:800;font-size:clamp(19px,3vw,22px)}
.eyebrow{font-family:var(--f-cond);font-weight:700;text-transform:uppercase;letter-spacing:.18em;font-size:14px;color:var(--amber)}
.lead{font-size:clamp(17px,2.2vw,20px);color:var(--tx-2)}
.amber{color:var(--amber)}
section{padding:clamp(56px,8vw,96px) 0}
section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* botones */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--f-round);font-weight:800;font-size:17px;line-height:1;padding:16px 26px;
  border-radius:15px;border:0;cursor:pointer;white-space:nowrap;
  transition:transform .14s ease,box-shadow .22s ease,filter .2s ease}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn .ic{width:20px;height:20px}
.btn-call{background:linear-gradient(180deg,#ef4a4a,#cf2a2a);color:#fff;box-shadow:var(--shadow-btn)}
.btn-call:hover{filter:brightness(1.05)}
.btn-wa{background:linear-gradient(180deg,#2bd66d,#1eb257);color:#fff;box-shadow:var(--shadow-btn)}
.btn-wa:hover{filter:brightness(1.05)}
.btn-ghost{background:var(--surface);color:var(--tx);border:1.5px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-lg{font-size:19px;padding:18px 30px}
.btn-block{width:100%}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(10,10,16,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:12px}
.hdr .logo{height:50px;width:auto}
.hdr-call{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-round);font-weight:800;
  background:linear-gradient(180deg,#ef4a4a,#cf2a2a);color:#fff;padding:11px 20px;border-radius:14px;
  font-size:16px;box-shadow:var(--shadow-btn);line-height:1.05}
.hdr-call .ic{width:19px;height:19px}
.hdr-call small{display:block;font-weight:600;font-size:11px;opacity:.9;line-height:1;margin-top:2px}

/* back link (blog) */
.backlink{display:inline-flex;align-items:center;gap:7px;margin:22px 0 4px;font-family:var(--f-round);
  font-weight:700;font-size:15px;color:var(--tx-2);background:var(--surface);border:1px solid var(--line-2);
  padding:9px 16px;border-radius:30px;transition:border-color .2s,color .2s}
.backlink:hover{border-color:var(--amber);color:var(--amber)}

/* hero */
.hero{position:relative;padding:clamp(40px,7vw,84px) 0 clamp(48px,8vw,84px);
  background:radial-gradient(1200px 520px at 74% -12%,rgba(246,173,85,.15),transparent 60%),
             radial-gradient(800px 400px at 10% 110%,rgba(220,50,50,.10),transparent 60%),
             linear-gradient(180deg,#0c0c14,var(--bg))}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.hero h1 span{color:var(--amber)}
.hero .lead{margin:0 0 28px;max-width:36ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px 22px;margin-top:28px;color:var(--tx-2);font-size:14.5px}
.hero-badges b{color:var(--tx)}
.hero-badges span{display:inline-flex;align-items:center;gap:7px}
.hero-media{position:relative}
.hero-media img{width:100%;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover}
.hero-stars{position:absolute;left:14px;bottom:14px;background:rgba(10,10,16,.9);backdrop-filter:blur(6px);
  border:1px solid var(--line-2);border-radius:13px;padding:9px 14px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:8px}
.hero-stars .rs{color:var(--amber);letter-spacing:1px;font-size:12px}
.hero-stars b{color:var(--amber)}
.hero-tag{position:absolute;left:14px;top:14px;background:rgba(10,10,16,.9);backdrop-filter:blur(6px);
  border:1px solid var(--line-2);border-radius:13px;padding:8px 13px;font-size:13px;font-weight:700;color:var(--amber)}

/* franja confianza */
.trust{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust .wrap{display:flex;flex-wrap:wrap;gap:14px 34px;justify-content:center;padding:22px 20px}
.trust span{display:inline-flex;align-items:center;gap:9px;font-family:var(--f-cond);font-weight:600;
  text-transform:uppercase;letter-spacing:.06em;font-size:15px;color:var(--tx-2)}
.trust b{color:var(--tx)}

/* tarjetas */
.grid{display:grid;gap:18px}
.g-3{grid-template-columns:repeat(3,1fr)}
.card{position:relative;background:linear-gradient(180deg,var(--card),var(--card-3));border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;transition:border-color .2s,transform .2s,box-shadow .2s}
.card:hover{border-color:var(--line-2);transform:translateY(-5px);box-shadow:var(--shadow)}
.card .ico{font-size:28px;margin-bottom:2px;display:inline-flex;width:56px;height:56px;align-items:center;
  justify-content:center;border-radius:16px;background:radial-gradient(120% 120% at 30% 20%,rgba(246,173,85,.18),rgba(246,173,85,.03));border:1px solid var(--line-2)}
.card h3{margin:16px 0 6px}
.card p{margin:0;color:var(--tx-2);font-size:15.5px}
.tag-hot{display:inline-block;font-family:var(--f-cond);font-weight:700;text-transform:uppercase;letter-spacing:.08em;
  font-size:12px;color:#ff8a8a;background:rgba(220,50,50,.14);border:1px solid rgba(220,50,50,.34);padding:3px 10px;border-radius:20px;margin-bottom:14px}

/* pasos */
.steps{counter-reset:s;display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.step{position:relative;background:linear-gradient(180deg,var(--card),var(--card-3));border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px 24px}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-18px;left:24px;width:42px;height:42px;
  border-radius:13px;display:flex;align-items:center;justify-content:center;font-family:var(--f-round);font-weight:900;
  font-size:20px;color:#141018;background:linear-gradient(180deg,var(--amber-2),var(--amber));box-shadow:0 10px 20px -8px rgba(246,173,85,.6)}
.step h3{margin:10px 0 5px}.step p{margin:0;color:var(--tx-2);font-size:15px}

/* por qué */
.why{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding:0;margin:0}
.why li{list-style:none;display:flex;gap:14px;background:linear-gradient(180deg,var(--card),var(--card-3));border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.why .ck{color:#141018;background:linear-gradient(180deg,var(--amber-2),var(--amber));width:27px;height:27px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px;flex-shrink:0}
.why b{display:block}.why p{margin:3px 0 0;color:var(--tx-2);font-size:14.5px}

/* reels / videos */
.reels{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.reel{width:100%;aspect-ratio:9/16;border-radius:var(--radius);border:1px solid var(--line);background:#000;
  object-fit:cover;box-shadow:var(--shadow);cursor:pointer}
.reel:hover{border-color:var(--line-2)}

/* cobertura */
.cover-box{background:linear-gradient(180deg,var(--card),var(--card-3));border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.cover-cta{display:flex;flex-direction:column;gap:10px}
.zonas{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.zonas span{font-family:var(--f-cond);font-weight:600;font-size:14px;text-transform:uppercase;letter-spacing:.04em;
  background:var(--surface);border:1px solid var(--line-2);border-radius:20px;padding:6px 13px;color:var(--tx-2)}

/* reseñas */

/* blog */
.sec-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.seemore{color:var(--amber);font-family:var(--f-round);font-weight:800}
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post{background:linear-gradient(180deg,var(--card),var(--card-3));border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,border-color .2s,box-shadow .2s}
.post:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:var(--shadow)}
.pcover{aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;font-size:54px;border-bottom:1px solid var(--line);position:relative}
.pcover::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 120% at 80% 120%,rgba(0,0,0,.35),transparent 60%)}
.pcover span{position:relative;z-index:1;filter:drop-shadow(0 6px 14px rgba(0,0,0,.4))}
.c1{background:radial-gradient(130% 130% at 18% 10%,#7d2222,#231014)}
.c2{background:radial-gradient(130% 130% at 18% 10%,#7d5a1f,#231d0f)}
.c3{background:radial-gradient(130% 130% at 18% 10%,#1f5566,#0f2028)}
.post .pb{padding:22px;display:flex;flex-direction:column;gap:9px;flex:1}
.post .pcat{font-family:var(--f-cond);font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:12px;color:var(--amber)}
.post h3{font-size:19px;margin:0}
.post p{margin:0;color:var(--tx-2);font-size:14.5px;flex:1}
.post .plink{color:var(--amber);font-weight:800;font-family:var(--f-round);font-size:14px}

/* faq */
.faq{max-width:760px;margin:0 auto}
.faq details{background:linear-gradient(180deg,var(--card),var(--card-3));border:1px solid var(--line);border-radius:16px;padding:0 24px;margin-bottom:12px;transition:border-color .2s}
.faq details[open]{border-color:var(--line-2)}
.faq summary{cursor:pointer;font-family:var(--f-round);font-weight:800;font-size:17px;padding:19px 0;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--amber);font-size:26px;line-height:1;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 19px;color:var(--tx-2);font-size:15.5px}

/* cta final */
.cta-final{background:radial-gradient(780px 320px at 50% 0%,rgba(220,50,50,.15),transparent 62%),var(--bg-2);border-top:1px solid var(--line)}
.cta-final .box{text-align:center;max-width:640px;margin:0 auto}
.cta-final .hero-cta{justify-content:center}

/* footer */
footer{background:#08080d;border-top:1px solid var(--line);padding:48px 0 100px;color:var(--tx-3)}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
footer img.logo{height:48px;margin-bottom:14px}
footer h4{font-family:var(--f-round);font-weight:800;color:var(--tx);font-size:15px;text-transform:uppercase;letter-spacing:.06em;margin:0 0 12px}
footer a{color:var(--tx-2);display:flex;align-items:center;gap:8px;padding:5px 0;font-size:15px}
footer a:hover{color:var(--amber)}
footer a .ic{width:16px;height:16px}
footer .fbot{border-top:1px solid var(--line);margin-top:32px;padding-top:20px;font-size:13.5px}

/* flotante WhatsApp (centrado, sin recorte) */
.fab{position:fixed;right:16px;bottom:16px;z-index:60;width:60px;height:60px;border-radius:50%;
  background:linear-gradient(180deg,#2bd66d,#1eb257);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 16px 34px -8px rgba(37,211,102,.55),0 4px 10px rgba(0,0,0,.3);animation:fabpulse 2.8s ease-in-out infinite}
.fab svg{width:32px;height:32px;display:block}
.fab:active{transform:scale(.92)}
@keyframes fabpulse{0%,100%{box-shadow:0 16px 34px -8px rgba(37,211,102,.5),0 0 0 0 rgba(37,211,102,.42)}
  50%{box-shadow:0 16px 34px -8px rgba(37,211,102,.5),0 0 0 13px rgba(37,211,102,0)}}

/* barra móvil */
.mobar{position:fixed;left:0;right:0;bottom:0;z-index:55;display:none;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--line);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(0,0,0,.4)}
.mobar a{padding:16px;text-align:center;font-family:var(--f-round);font-weight:800;display:flex;align-items:center;justify-content:center;gap:9px;font-size:16px}
.mobar .ic{width:20px;height:20px}
.mobar .m-call{background:linear-gradient(180deg,#ef4a4a,#cf2a2a);color:#fff}
.mobar .m-wa{background:linear-gradient(180deg,#2bd66d,#1eb257);color:#fff}

/* artículo blog */
.article{max-width:760px;margin:0 auto}
.article .eyebrow{margin-bottom:10px;display:block}
.article h1{margin-bottom:14px}
.article .meta{color:var(--tx-3);font-size:14px;margin-bottom:26px}
.article .pcover{aspect-ratio:16/7;border:1px solid var(--line);border-radius:var(--radius);margin:0 0 30px;font-size:60px}
.article h2{font-size:clamp(22px,4vw,30px);margin:34px 0 12px}
.article p{margin:0 0 18px;font-size:17.5px;color:#dcdce4}
.article ul{margin:0 0 18px;padding-left:22px;color:#dcdce4}
.article li{margin-bottom:9px}
.article .callout{background:linear-gradient(180deg,var(--card),var(--card-3));border-left:4px solid var(--amber);border-radius:0 16px 16px 0;padding:20px 24px;margin:26px 0}
.article .callout p{margin:0}
.crumb{font-size:14px;color:var(--tx-3);margin-bottom:18px}
.crumb a{color:var(--tx-2)}.crumb a:hover{color:var(--amber)}

/* responsivo */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-media{order:-1}
  .g-3,.posts,.steps{grid-template-columns:1fr}
  .why,.cover-box{grid-template-columns:1fr}
  .cover-box{padding:24px}
  footer .cols{grid-template-columns:1fr 1fr}
  /* reels: carrusel horizontal con snap en móvil */
  body{padding-bottom:64px}
  .reels{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding:4px 20px 14px;margin:8px -20px 0;-webkit-overflow-scrolling:touch}
  .reel{flex:0 0 74%;max-width:300px;scroll-snap-align:center}
  .hdr-call small{display:none}
  .hdr-call{padding:11px 16px}
  .mobar{display:grid}
  .fab{bottom:78px;width:56px;height:56px}
  .fab svg{width:30px;height:30px}
}
@media(max-width:480px){
  .hdr .wrap{height:66px}
  .hdr .logo{height:42px}
  footer .cols{grid-template-columns:1fr;gap:22px}
  .hero-cta .btn{flex:1 1 auto}
  .btn-lg{padding:17px 22px;font-size:18px}
  .steps{gap:26px}
  .reel{flex-basis:80%}
}