:root{
  --yellow:#FFD200;
  --yellow-d:#E0B400;
  --yellow-l:#FFE566;
  --ink:#000000;        /* fondo principal */
  --ink-2:#0C0C0C;      /* secciones alternas */
  --ink-3:#151515;      /* tarjetas */
  --line:#262626;       /* bordes */
  --text:#E8E8E8;
  --muted:#A5A5A5;
  --wa:#25D366;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.55);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:'Barlow',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  color:var(--text);background:var(--ink);line-height:1.6;font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  overscroll-behavior-y:none;
  -webkit-font-kerning:normal;
  text-rendering:optimizeLegibility;
}
/* iOS: evita el menú de "guardar imagen" al mantener pulsado y el arrastre */
img{-webkit-user-drag:none;-webkit-touch-callout:none}
/* iOS: barra de estado y notch */
@supports(-webkit-touch-callout:none){
  .hero-bg{background-attachment:scroll}
  .float{bottom:calc(20px + env(safe-area-inset-bottom))}
}
h1,h2,h3,.kicker,.btn,.nav a{font-family:'Barlow Condensed','Barlow',sans-serif;text-transform:uppercase;letter-spacing:.02em}
h1,h2,h3{color:#fff}
h1{font-size:clamp(2.2rem,6vw,4.2rem);line-height:1.02;margin:.2em 0 .35em;font-weight:800}
h2{font-size:clamp(1.8rem,4vw,2.9rem);font-weight:800;margin:0 0 .25em}
h3{font-size:1.25rem;font-weight:700;margin:0 0 .35em}
p{margin:0 0 1em}
a{color:inherit;-webkit-tap-highlight-color:rgba(255,210,0,.25)}
img,video{max-width:100%;height:auto;display:block}
.wrap{width:min(1180px,92vw);margin:0 auto}
.narrow{width:min(820px,92vw)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--yellow);color:#000;padding:10px 16px;z-index:999;border-radius:8px}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px;border-radius:6px}

/* Botones — altura mínima táctil 48px (Android) */
.btn{display:inline-flex;align-items:center;gap:.5rem;justify-content:center;
  min-height:48px;padding:.8rem 1.5rem;border-radius:999px;font-weight:700;font-size:1.05rem;
  text-decoration:none;will-change:transform;
  transition:transform .15s ease,background .15s ease}
.btn:active{transform:translateY(1px) scale(.98)}
.btn-call{background:var(--yellow);color:#000;box-shadow:0 4px 0 var(--yellow-d)}
.btn-wa{background:var(--wa);color:#04210f;box-shadow:0 4px 0 #1da851}
.btn.small{min-height:44px;padding:.55rem 1.1rem;font-size:.95rem}
.cta-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.2rem}
@media (hover:hover){
  .btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.5)}
  .btn-call:hover{background:var(--yellow-l)}
  .btn-wa:hover{background:#2ee377}
}

/* Header */
.header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:#000;border-bottom:3px solid var(--yellow);
  padding-top:env(safe-area-inset-top)}
.header-in{display:flex;align-items:center;gap:1rem;padding:.6rem 0;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:#fff}
.brand img{border-radius:10px;border:2px solid var(--yellow);width:56px;height:56px;object-fit:cover}
.brand span{display:flex;flex-direction:column;line-height:1.05}
.brand strong{font-family:'Barlow Condensed',sans-serif;font-size:1.5rem;text-transform:uppercase;color:var(--yellow)}
.brand small{font-size:.78rem;color:#b9b9b9;letter-spacing:.08em;text-transform:uppercase}
.nav{display:flex;gap:1.2rem}
.nav a{color:#fff;text-decoration:none;font-weight:600;font-size:1.05rem;padding:.3rem 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a:active{color:var(--yellow);border-color:var(--yellow)}
.head-cta{min-height:44px;padding:.5rem 1.1rem;font-size:1rem}

/* Hero */
.hero{position:relative;color:#fff;overflow:hidden;background:#000}
.hero-bg{position:absolute;inset:0;
  background:url('assets/img/grua-plataforma-orotina.jpeg') center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(0,0,0,.96) 0%,rgba(0,0,0,.88) 45%,rgba(0,0,0,.55) 100%)}
.hero-in{position:relative;z-index:2;padding:clamp(3rem,9vw,7rem) 0}
.kicker{display:inline-block;background:var(--yellow);color:#000;font-weight:700;
  padding:.35rem 1rem;border-radius:999px;font-size:.95rem;margin:0}
.hero h1 span{color:var(--yellow)}
.lead{max-width:62ch;font-size:1.15rem;color:#dcdcdc}
.badges{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem;padding:0;margin:1.8rem 0 0}
.badges li{border:1px solid rgba(255,210,0,.5);color:var(--yellow);border-radius:999px;
  padding:.35rem .9rem;font-size:.9rem;font-weight:600}

/* Secciones */
.section{padding:clamp(2.6rem,7vw,5.5rem) 0;background:var(--ink)}
.section.alt{background:var(--ink-2)}
.sub{color:var(--muted);max-width:70ch;font-size:1.06rem;margin-bottom:2rem}
h2{position:relative;padding-bottom:.35rem}
h2::after{content:"";display:block;width:70px;height:5px;background:var(--yellow);border-radius:3px;margin-top:.5rem}

.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{background:var(--ink-3);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;
  transition:transform .18s ease,border-color .18s ease}
.card:active{border-color:var(--yellow)}
.card .ico{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:12px;
  background:var(--yellow);font-size:1.6rem;margin-bottom:.8rem}
.card p{margin:0;color:var(--muted)}
@media (hover:hover){.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--yellow)}}

/* Franja */
.band{background:var(--yellow);padding:2rem 0;color:#000}
.band-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}
.band p{margin:0;font-size:1.3rem;font-family:'Barlow Condensed',sans-serif;text-transform:uppercase;color:#000}
.band .cta-row{margin:0}
.band .btn-call{background:#000;color:var(--yellow);box-shadow:0 4px 0 #3a3a3a}
.band .btn-wa{color:#fff}

/* Zonas */
.zones{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(235px,1fr))}
.zone{background:var(--ink-3);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;border-top:5px solid var(--yellow)}
.zone ul{list-style:none;padding:0;margin:0}
.zone li{padding:.3rem 0 .3rem 1.3rem;position:relative;color:var(--muted)}
.zone li::before{content:"▸";position:absolute;left:0;color:var(--yellow);font-weight:700}
.zone.highlight{background:var(--yellow);color:#000;border:1px solid var(--yellow)}
.zone.highlight h3{color:#000}
.zone.highlight p{color:#1a1a1a}
.zone.highlight .btn-call{background:#000;color:var(--yellow);box-shadow:0 4px 0 #3a3a3a}
.map{margin-top:1.6rem;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#000}
.map iframe{width:100%;height:360px;border:0;display:block;filter:invert(.92) hue-rotate(180deg) contrast(.9)}

/* Galería */
.gallery{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.gallery figure{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;background:#000;border:1px solid var(--line)}
.gallery img{aspect-ratio:4/3;min-height:150px;object-fit:cover;width:100%;transition:transform .35s ease}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:.55rem .85rem;color:#fff;
  font-family:'Barlow Condensed',sans-serif;text-transform:uppercase;font-weight:700;
  background:linear-gradient(transparent,rgba(0,0,0,.92))}
@media (hover:hover){.gallery figure:hover img{transform:scale(1.07)}}
.video{margin-top:1.6rem;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#000}
.video video{width:100%;height:auto;display:block;background:#000}

/* FAQ */
details{background:var(--ink-3);border:1px solid var(--line);border-radius:12px;padding:1rem 1.2rem;margin-bottom:.7rem}
details[open]{border-color:var(--yellow)}
summary{cursor:pointer;font-weight:700;font-size:1.06rem;list-style:none;color:#fff;min-height:28px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--yellow);font-weight:800;font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:.7rem 0 0;color:var(--muted)}
details a{color:var(--yellow)}

/* Contacto */
.contacto{background:var(--ink)}
.contact-in{display:grid;gap:2rem;grid-template-columns:1.1fr .9fr;align-items:center}
.contact-list{list-style:none;padding:0;margin:0 0 1rem}
.contact-list li{padding:.55rem 0;border-bottom:1px solid var(--line);color:var(--muted)}
.contact-list strong{color:#fff}
.contact-list a{color:var(--yellow);text-decoration:none;font-weight:700}
.contact-img{border-radius:var(--radius);box-shadow:var(--shadow);object-fit:cover;aspect-ratio:4/3;border:1px solid var(--line)}

/* Footer */
.footer{background:#000;color:var(--muted);padding:3rem 0 1.2rem;border-top:4px solid var(--yellow)}
.footer-in{display:grid;gap:2rem;grid-template-columns:1.3fr 1fr 1fr}
.footer h3{color:var(--yellow)}
.footer img{border-radius:10px;border:2px solid var(--yellow);margin-bottom:.8rem}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{padding:.28rem 0}
.footer a{text-decoration:none}
.footer a:hover,.footer a:active{color:var(--yellow)}
.copy{text-align:center;margin:2rem 0 0;font-size:.9rem;color:#777;border-top:1px solid var(--line);padding-top:1rem}

/* Botones flotantes */
.float{position:fixed;right:14px;bottom:calc(14px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;gap:.7rem;z-index:80}
.fab{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;color:#fff;
  box-shadow:0 8px 22px rgba(0,0,0,.6);transition:transform .15s ease}
.fab:active{transform:scale(.93)}
.fab-wa{background:var(--wa)}
.fab-call{background:var(--yellow);color:#000;animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,210,0,.55)}70%{box-shadow:0 0 0 16px rgba(255,210,0,0)}100%{box-shadow:0 0 0 0 rgba(255,210,0,0)}}

@media (max-width:900px){
  .nav{order:3;width:100%;gap:1rem;overflow-x:auto;padding:.35rem 0 .1rem;border-top:1px solid var(--line);
    -webkit-overflow-scrolling:touch;scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .nav a{white-space:nowrap;font-size:.98rem}
  .header-in{flex-wrap:wrap;row-gap:.3rem}
  .contact-in,.footer-in{grid-template-columns:1fr}
  .wrap{width:min(1180px,100vw - 32px)}
  .band-in{flex-direction:column;align-items:flex-start}
  .hero-bg{background-attachment:scroll}
  body{padding-bottom:80px} /* espacio para los FAB */
}
@media (max-width:480px){
  body{font-size:16px}
  .brand strong{font-size:1.2rem}
  .brand img{width:44px;height:44px}
  .brand small{font-size:.7rem}
  .head-cta{padding:.45rem .8rem;font-size:.9rem}
  .btn{width:100%}
  .band .btn,.zone .btn,.head-cta{width:auto}
  .gallery{grid-template-columns:repeat(2,1fr);gap:.5rem}
  .gallery figcaption{font-size:.8rem;padding:.4rem .55rem}
  .map iframe{height:280px}
  .fab{width:54px;height:54px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}