/* =========================================================
   Llavealo · Cerrajería automotriz
   Mobile-first · Paleta: naranja técnico + grises neutros
   ========================================================= */

:root{
  --c-primary: #E65C1E;
  --c-primary-dark: #C44C12;
  --c-primary-soft: #FFE9DC;
  --c-accent: #0066FF;
  --c-success: #1E7A5E;

  --c-text: #1E2A32;
  --c-text-2: #5A6B7A;
  --c-bg: #FFFFFF;
  --c-bg-alt: #F9FAFB;
  --c-bg-soft: #F4F6F9;
  --c-border: #E6EAEF;

  --c-wa: #25D366;
  --c-wa-dark: #1EB955;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(20,30,40,.06);
  --shadow-md: 0 4px 12px rgba(20,30,40,.08);
  --shadow-lg: 0 12px 32px rgba(20,30,40,.12);

  --container: 1200px;
  --gap: 24px;

  --ease: cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.6;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;height:auto;display:block}

a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-dark)}

ul{list-style:none;margin:0;padding:0}

.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;
  padding:.6rem 1rem;border-radius:0 0 8px 0;z-index:1000;font-weight:600;
}
.skip-link:focus{left:0}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 16px;
}
.container.narrow{max-width:880px}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.85rem 1.4rem;border-radius:var(--radius-sm);
  font-weight:600;font-size:1rem;line-height:1;
  border:2px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
  text-align:center;white-space:nowrap;
}
.btn-sm{padding:.55rem .9rem;font-size:.9rem}
.btn-lg{padding:1.05rem 1.7rem;font-size:1.05rem}

.btn-wa{background:var(--c-wa);color:#fff}
.btn-wa:hover{background:var(--c-wa-dark);color:#fff;box-shadow:var(--shadow-md);transform:translateY(-1px)}
.btn-wa svg{flex:0 0 auto}

.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary);color:#fff}

.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.scrolled{
  box-shadow:var(--shadow-sm);
  border-bottom-color:var(--c-border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:68px;gap:16px;
}

.brand{
  display:flex;align-items:center;gap:.7rem;color:var(--c-text);
}
.brand:hover{color:var(--c-text)}
.brand img{
  width:42px;height:42px;border-radius:8px;
  object-fit:cover;flex:0 0 auto;
  box-shadow:var(--shadow-sm);
}
.brand-text{
  display:flex;flex-direction:column;line-height:1;
  font-weight:800;font-size:1.05rem;letter-spacing:.2px;
}
.brand-text small{
  font-weight:500;font-size:.7rem;letter-spacing:.6px;
  color:var(--c-text-2);text-transform:uppercase;margin-top:3px;
}

.nav{
  display:flex;align-items:center;gap:1.5rem;
}
.nav a{
  color:var(--c-text);font-weight:500;font-size:.95rem;
  position:relative;
}
.nav a:not(.btn):hover{color:var(--c-primary)}
.nav a:not(.btn)::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav a:not(.btn):hover::after{transform:scaleX(1)}

.nav-toggle{
  display:none;
  width:42px;height:42px;border:0;background:transparent;cursor:pointer;
  padding:0;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{
  display:block;width:24px;height:2px;background:var(--c-text);border-radius:2px;
  transition:transform .25s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width: 900px){
  .nav-toggle{display:flex}
  .nav{
    position:absolute;top:68px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--c-border);
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 16px 16px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .25s var(--ease),opacity .2s var(--ease);
    box-shadow:var(--shadow-md);
  }
  .nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav a{padding:.85rem 0;border-bottom:1px solid var(--c-border)}
  .nav a:last-child{border-bottom:0;margin-top:8px}
  .nav a:not(.btn)::after{display:none}
  .nav .btn{justify-content:center;width:100%}
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:
    radial-gradient(1100px 600px at 110% -10%, rgba(230,92,30,.10), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(0,102,255,.06), transparent 60%),
    linear-gradient(180deg, #FFF 0%, var(--c-bg-soft) 100%);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:
    linear-gradient(to right, rgba(30,42,50,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30,42,50,.04) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(circle at 50% 40%, #000 30%, transparent 75%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
}
.hero-copy .eyebrow{
  display:inline-block;
  font-size:.78rem;font-weight:600;letter-spacing:1.2px;
  color:var(--c-primary);text-transform:uppercase;
  background:var(--c-primary-soft);
  padding:.4rem .7rem;border-radius:999px;margin:0 0 1rem;
}
.hero-copy h1{
  font-size:clamp(1.9rem, 4.6vw, 3rem);
  line-height:1.12;letter-spacing:-.5px;
  margin:0 0 1rem;font-weight:800;
}
.hl{color:var(--c-primary)}
.hero-copy .lead{
  font-size:clamp(1.05rem, 2vw, 1.25rem);
  font-weight:500;color:var(--c-text);margin:0 0 .7rem;
}
.hero-sub{color:var(--c-text-2);margin:0 0 1.6rem;max-width:60ch}

.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.4rem}

.hero-tags{
  display:flex;flex-wrap:wrap;gap:.5rem;
}
.hero-tags li{
  font-size:.82rem;font-weight:600;color:var(--c-text-2);
  background:#fff;border:1px solid var(--c-border);
  padding:.4rem .7rem;border-radius:999px;
  position:relative;padding-left:1.6rem;
}
.hero-tags li::before{
  content:"";position:absolute;left:.6rem;top:50%;transform:translateY(-50%);
  width:8px;height:8px;border-radius:50%;background:var(--c-primary);
}

.hero-card{display:none}
.hero-card-inner{
  position:relative;border-radius:24px;
  background:linear-gradient(160deg,#0F1418 0%,#1E2A32 100%);
  padding:32px;display:grid;place-items:center;min-height:380px;
  box-shadow:var(--shadow-lg);overflow:hidden;
}
.hero-card-inner::before{
  content:"";position:absolute;inset:-2px;
  background:radial-gradient(600px 300px at 50% -10%, rgba(230,92,30,.30), transparent 60%);
  pointer-events:none;
}
.hero-card-inner img{
  width:min(80%,320px);height:auto;border-radius:14px;position:relative;
  filter:drop-shadow(0 12px 28px rgba(0,0,0,.45));
}
.hero-card-pill{
  position:relative;margin-top:18px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  padding:.7rem 1rem;border-radius:14px;color:#fff;
  display:flex;flex-direction:column;align-items:center;gap:2px;backdrop-filter:blur(6px);
}
.hero-card-pill strong{font-size:1.1rem;letter-spacing:.5px}
.hero-card-pill span{font-size:.8rem;color:rgba(255,255,255,.7)}

@media (min-width: 900px){
  .hero{padding:96px 0 110px}
  .hero-grid{grid-template-columns:1.15fr .85fr;gap:64px}
  .hero-card{display:block}
}

/* =========================================================
   Sections
   ========================================================= */
.section{padding:64px 0}
.section.alt{background:var(--c-bg-alt)}
@media (min-width: 900px){.section{padding:96px 0}}

.section-head{margin-bottom:40px;max-width:760px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{
  font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.2;
  margin:.4rem 0 .6rem;font-weight:800;letter-spacing:-.3px;
}
.section-head p{color:var(--c-text-2);margin:0;font-size:1.05rem}
.kicker{
  display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:1.4px;
  color:var(--c-primary);text-transform:uppercase;margin:0;
}
.kicker.dark{color:#fff}

/* =========================================================
   Problema
   ========================================================= */
.problem-grid{
  display:grid;grid-template-columns:1fr;gap:14px;
  margin-bottom:24px;
}
.problem-grid li{
  background:#fff;border:1px solid var(--c-border);
  border-left:3px solid var(--c-primary);
  padding:1rem 1.1rem;border-radius:var(--radius-sm);
  font-style:italic;color:var(--c-text);
  box-shadow:var(--shadow-sm);
}
@media(min-width:700px){.problem-grid{grid-template-columns:1fr 1fr;gap:16px}}
@media(min-width:1000px){.problem-grid{grid-template-columns:repeat(3,1fr)}}

.micro-cta{
  text-align:center;font-size:1.05rem;color:var(--c-text-2);
  margin:8px 0 0;
}
.micro-cta a{font-weight:600;border-bottom:2px solid transparent;padding-bottom:1px}
.micro-cta a:hover{border-bottom-color:var(--c-primary)}

/* =========================================================
   Servicios — Tarjetas
   ========================================================= */
.cards{
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media(min-width:700px){.cards{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.cards{grid-template-columns:repeat(3,1fr)}}

.card{
  position:relative;background:#fff;
  border:1px solid var(--c-border);border-radius:var(--radius);
  padding:28px 24px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:var(--c-primary);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#dbe2eb}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  display:grid;place-items:center;margin-bottom:14px;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.card h3{
  margin:0 0 .5rem;font-size:1.18rem;font-weight:700;color:var(--c-text);
}
.card p{margin:0 0 1rem;color:var(--c-text-2);font-size:.97rem}
.card-link{
  font-weight:600;font-size:.95rem;color:var(--c-primary);
  display:inline-flex;gap:.3rem;align-items:center;
}
.card-link:hover{color:var(--c-primary-dark)}

/* =========================================================
   Sección educativa (Clonación)
   ========================================================= */
.edu-grid{
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media(min-width:800px){.edu-grid{grid-template-columns:1fr 1fr}}

.edu-block{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);
}
.edu-block h3{
  margin:0 0 .6rem;font-size:1.12rem;line-height:1.35;
  color:var(--c-text);font-weight:700;
}
.edu-block p, .edu-list li{
  color:var(--c-text-2);font-size:.97rem;
}
.edu-list{display:grid;gap:.55rem;margin:.4rem 0 0}
.edu-list li{position:relative;padding-left:1.4rem}
.edu-list li::before{
  content:"";position:absolute;left:0;top:.6rem;
  width:8px;height:8px;border-radius:50%;background:var(--c-accent);
}
.edu-list strong{color:var(--c-text)}

.edu-cta{
  margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;
  gap:1rem;justify-content:center;text-align:center;
}
.edu-hint{color:var(--c-text-2);font-size:.95rem}

/* =========================================================
   Diferenciales
   ========================================================= */
.diff-grid{
  display:grid;grid-template-columns:1fr;gap:16px;
}
@media(min-width:700px){.diff-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.diff-grid{grid-template-columns:repeat(3,1fr)}}

.diff-item{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius);padding:24px 22px;
  position:relative;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.diff-item:hover{border-color:var(--c-primary);box-shadow:var(--shadow-md)}
.diff-num{
  display:inline-block;font-size:.82rem;font-weight:700;
  color:var(--c-primary);letter-spacing:1.5px;margin-bottom:8px;
}
.diff-item h3{margin:0 0 .4rem;font-size:1.1rem;font-weight:700}
.diff-item p{margin:0;color:var(--c-text-2);font-size:.96rem}

/* =========================================================
   Zonas
   ========================================================= */
.zones-grid{
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media(min-width:700px){.zones-grid{grid-template-columns:repeat(3,1fr)}}

.zone-card{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);
}
.zone-card h3{
  margin:0 0 14px;font-size:1.2rem;font-weight:700;
  color:var(--c-text);
  padding-bottom:10px;border-bottom:2px solid var(--c-primary-soft);
}
.zone-card ul{display:grid;gap:.5rem}
.zone-card li{
  position:relative;padding-left:1.4rem;color:var(--c-text-2);font-size:.96rem;
}
.zone-card li::before{
  content:"";position:absolute;left:0;top:.55rem;
  width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}

/* =========================================================
   Páginas SEO de servicio
   ========================================================= */
.link-grid{
  display:grid;grid-template-columns:1fr;gap:12px;margin-top:24px;
}
@media(min-width:700px){.link-grid{grid-template-columns:repeat(3,1fr)}}

.link-grid a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:64px;padding:1rem 1.1rem;
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-sm);color:var(--c-text);
  font-weight:700;box-shadow:var(--shadow-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.link-grid a::after{content:"→";color:var(--c-primary);font-weight:800}
.link-grid a:hover{
  color:var(--c-text);border-color:var(--c-primary);
  box-shadow:var(--shadow-md);transform:translateY(-1px);
}

.service-hero{padding-bottom:56px}
.service-summary{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-md);
}
.service-summary h2{
  margin:0 0 14px;font-size:1.15rem;line-height:1.3;
}
.service-summary ul{display:grid;gap:.65rem}
.service-summary li{
  color:var(--c-text-2);border-bottom:1px solid var(--c-border);
  padding-bottom:.65rem;font-size:.95rem;
}
.service-summary li:last-child{border-bottom:0;padding-bottom:0}
.service-summary strong{color:var(--c-text)}

.service-layout{
  display:grid;grid-template-columns:1fr;gap:24px;align-items:start;
}
.content-block{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius);padding:24px;margin-bottom:18px;
  box-shadow:var(--shadow-sm);
}
.content-block h2{
  margin:0 0 .7rem;font-size:clamp(1.25rem,2vw,1.55rem);
  line-height:1.25;color:var(--c-text);
}
.content-block p{
  margin:0;color:var(--c-text-2);font-size:1rem;line-height:1.7;
}

.side-cta{
  background:var(--c-bg-soft);border:1px solid var(--c-border);
  border-radius:var(--radius);padding:22px;
  display:grid;gap:14px;position:sticky;top:88px;
}
.side-cta h2{margin:0;font-size:1.18rem}
.side-cta p{margin:0;color:var(--c-text-2);font-size:.96rem}
.side-cta .btn{width:100%;white-space:normal;line-height:1.25}

@media(min-width:900px){
  .service-layout{grid-template-columns:minmax(0,1fr) 320px}
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-list{display:grid;gap:12px}
.faq-list details{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-list details[open]{border-color:var(--c-primary);box-shadow:var(--shadow-sm)}
.faq-list summary{
  list-style:none;cursor:pointer;
  padding:1.05rem 1.2rem;font-weight:600;color:var(--c-text);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  font-size:1rem;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"+";font-size:1.4rem;color:var(--c-primary);
  font-weight:700;transition:transform .25s var(--ease);
  flex:0 0 auto;line-height:1;
}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list details > p{
  margin:0;padding:0 1.2rem 1.1rem;color:var(--c-text-2);
  font-size:.97rem;line-height:1.65;
}

/* =========================================================
   CTA final
   ========================================================= */
.cta-final{padding:56px 0 72px}
.cta-card{
  background:linear-gradient(135deg,#1E2A32 0%,#0F1418 100%);
  color:#fff;border-radius:20px;
  padding:40px 28px;
  display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 300px at 110% -20%, rgba(230,92,30,.35), transparent 60%);
  pointer-events:none;
}
.cta-text{position:relative}
.cta-text .kicker.dark{color:var(--c-primary)}
.cta-text h2{
  margin:.6rem 0 .8rem;font-size:clamp(1.6rem,3vw,2.1rem);
  font-weight:800;line-height:1.2;color:#fff;
}
.cta-text p{margin:0;color:rgba(255,255,255,.78);font-size:1.02rem}

.cta-actions{
  position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:14px;
}
.phone-link{
  display:flex;flex-direction:column;color:#fff;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  padding:.7rem 1.1rem;border-radius:var(--radius-sm);
  transition:background .2s var(--ease);
}
.phone-link:hover{background:rgba(255,255,255,.12);color:#fff}
.phone-link span{font-size:.8rem;color:rgba(255,255,255,.7)}
.phone-link strong{font-size:1.1rem;letter-spacing:.5px}

@media(min-width:900px){
  .cta-card{grid-template-columns:1.4fr 1fr;padding:52px 56px}
  .cta-actions{align-items:flex-end}
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  background:#0F1418;color:rgba(255,255,255,.85);
  padding:56px 0 0;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-bottom:40px;
}
@media(min-width:760px){.footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:48px}}

.site-footer img{
  width:96px;height:96px;border-radius:12px;background:#1a2026;
  padding:8px;margin-bottom:14px;
}
.site-footer .muted{color:rgba(255,255,255,.6);font-size:.94rem;margin:0}
.site-footer h4{
  margin:.2rem 0 1rem;font-size:1rem;font-weight:700;
  color:#fff;letter-spacing:.3px;
}
.site-footer ul{display:grid;gap:.55rem}
.site-footer ul a{color:rgba(255,255,255,.72)}
.site-footer ul a:hover{color:var(--c-primary)}
.site-footer ul li{font-size:.94rem;color:rgba(255,255,255,.72)}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:18px 0;font-size:.85rem;color:rgba(255,255,255,.55);
  text-align:center;
}

/* =========================================================
   WhatsApp flotante
   ========================================================= */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:60;
  width:60px;height:60px;border-radius:50%;
  background:var(--c-wa);color:#fff;
  display:grid;place-items:center;
  box-shadow:0 12px 24px rgba(37,211,102,.45),0 4px 8px rgba(0,0,0,.18);
  transition:transform .25s var(--ease),background .2s var(--ease);
}
.wa-float:hover{background:var(--c-wa-dark);color:#fff;transform:scale(1.06)}
.wa-pulse{
  position:absolute;inset:0;border-radius:50%;
  background:var(--c-wa);opacity:.55;
  animation:wa-pulse 2.4s ease-out infinite;z-index:-1;
}
@keyframes wa-pulse{
  0%{transform:scale(.9);opacity:.55}
  100%{transform:scale(1.7);opacity:0}
}

@media(min-width:900px){
  .wa-float{right:28px;bottom:28px;width:64px;height:64px}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}