:root{
  --bg:#ffffff; --bg2:#f6f3ef; --ink:#0b0b0b; --muted:#4a4a4a; --card:#ffffff; --line:#e6e1da;
  --blue:#0057b8; --blue-d:#004494; --black:#0b0b0b;
  --serif:'Playfair Display',Georgia,'Times New Roman',serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){ --bg:#0e0e0e; --bg2:#151515; --ink:#f5f5f5; --muted:#b8b8b8; --card:#1a1a1a; --line:#2c2c2c; }
}
:root[data-theme="dark"]{ --bg:#0e0e0e; --bg2:#151515; --ink:#f5f5f5; --muted:#b8b8b8; --card:#1a1a1a; --line:#2c2c2c; }
html{scroll-behavior:smooth;scroll-padding-top:calc(env(safe-area-inset-top,0px) + 76px)}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:min(1140px,100% - 40px);margin-inline:auto}
h1,h2,h3{font-family:var(--serif);line-height:1.08;margin:0;letter-spacing:.01em}
h2{font-size:clamp(1.9rem,4.6vw,3rem);font-weight:900}
.eyebrow{display:inline-block;background:var(--black);color:#fff;font-weight:700;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;padding:.45rem .9rem .45rem 1rem;clip-path:polygon(0 0,100% 0,94% 100%,0 100%);margin-bottom:14px}
.eyebrow b{color:var(--blue)}
.sec{padding:84px 0}
.sec.alt{background:var(--bg2)}
.sec-head{max-width:640px;margin-bottom:38px}
.sec-head p{color:var(--muted);font-size:1.08rem;margin:12px 0 0}
.or{color:var(--blue)}

/* topbar + header */
.topbar{background:var(--black);color:#fff;font-size:.85rem;font-weight:600}
.topbar .wrap{display:flex;gap:12px;align-items:center;justify-content:center;padding:8px 0;text-align:center}
.dot{width:10px;height:10px;border-radius:50%;background:var(--blue);flex:none;animation:ping 1.6s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(255,109,0,.7)}80%,100%{box-shadow:0 0 0 12px rgba(255,109,0,0)}}
header.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);border-bottom:3px solid var(--black)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:flex;align-items:center;text-decoration:none;line-height:1;width:82px;height:58px;overflow:hidden}
.brand img{width:82px;height:82px;object-fit:contain;display:block}
nav.links{display:flex;gap:26px;font-weight:600}
nav.links a{text-decoration:none;position:relative;padding:4px 0}
nav.links a::after{content:"";position:absolute;left:0;bottom:-2px;height:3px;width:0;background:var(--blue);transition:width .25s}
nav.links a:hover::after{width:100%}
@media(max-width:820px){nav.links{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 1.05rem var(--sans);text-decoration:none;border:3px solid var(--black);padding:15px 26px;cursor:pointer;border-radius:14px;transition:transform .15s,box-shadow .15s,background .2s;position:relative}
.btn svg{width:22px;height:22px;flex:none}
.btn-or{background:var(--blue);color:var(--black);box-shadow:5px 5px 0 var(--black)}
.btn-or:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--black);background:#0068d0}
.btn-or:active{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--black)}
.btn-bk{background:var(--black);color:#fff;box-shadow:5px 5px 0 var(--blue)}
.btn-bk:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--blue)}
.btn-bk:active{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--blue)}
.btn.js-wa{background:#25D366;color:#fff;box-shadow:5px 5px 0 var(--black)}
.btn.js-wa:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--black);background:#20bd5a}
.btn.js-wa:active{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--black)}
.btn-sm{padding:10px 18px;font-size:.95rem;box-shadow:3px 3px 0 var(--black)}
.pulse::before{content:"";position:absolute;inset:-3px;border-radius:16px;border:3px solid var(--blue);animation:ring 2s infinite;pointer-events:none}
@keyframes ring{0%{transform:scale(1);opacity:.9}100%{transform:scale(1.18,1.5);opacity:0}}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--bg)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(11,11,11,.97) 0%,rgba(11,11,11,.88) 34%,rgba(11,11,11,.52) 62%,rgba(11,11,11,.72) 100%),url("../assets/images/grua-real.jpeg");background-size:cover;background-position:center right;background-repeat:no-repeat;opacity:.72;pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,11,11,.28) 0%,rgba(11,11,11,.12) 48%,rgba(11,11,11,.9) 100%);pointer-events:none}
.hero > .wrap,.hero > .scene,.hero > .hazard{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;padding:56px 0 34px}
.hero h1{font-size:clamp(2.4rem,6.4vw,4.6rem);font-weight:900}
.hero h1 .or{display:block}
.hero p.lead{font-size:clamp(1.05rem,2.2vw,1.3rem);color:var(--muted);max-width:520px;margin:18px 0 26px}
.cta-row{display:flex;flex-wrap:wrap;gap:16px}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;font-weight:600;font-size:.95rem}
.trust li{list-style:none;display:flex;align-items:center;gap:8px}
.trust svg{width:20px;height:20px;color:var(--blue);stroke-width:3}
.trust{padding:0}
.hero-art{position:relative;display:grid;place-items:center;min-height:360px}
.shape{position:absolute;inset:6% 4%;background:var(--blue);clip-path:polygon(0 0,100% 0,92% 100%,8% 100%);transform:rotate(-2deg);animation:shape-in 1s .1s both cubic-bezier(.2,.8,.2,1)}
@keyframes shape-in{from{transform:translateX(60px) rotate(4deg);opacity:0}to{transform:rotate(-2deg);opacity:1}}
.logo-card{position:relative;background:#fff;border:5px solid var(--black);border-radius:30px;padding:8px;width:min(360px,80%);box-shadow:10px 10px 0 var(--black);animation:float 5s ease-in-out infinite,pop .8s .25s both cubic-bezier(.2,1.3,.4,1)}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -10px}}
@keyframes pop{from{opacity:0;scale:.8}to{opacity:1;scale:1}}
@media(max-width:820px){
  .hero::before{background-image:linear-gradient(180deg,rgba(11,11,11,.9) 0%,rgba(11,11,11,.72) 48%,rgba(11,11,11,.94) 100%),url("../assets/images/grua-real.jpeg");background-position:center center;opacity:.58}
  .hero-grid{grid-template-columns:1fr;padding-top:36px}.hero-art{min-height:300px;order:2}
}

/* road scene */
.scene{position:relative;overflow:hidden}
.truck-wrap{display:flex;justify-content:center;padding:0 20px}
.truck{width:min(400px,86vw);animation:drive 2.1s cubic-bezier(.16,.75,.25,1) both;filter:drop-shadow(0 6px 0 rgba(0,0,0,.15))}
@keyframes drive{from{transform:translateX(-110vw)}to{transform:none}}
.wheel{transform-box:fill-box;transform-origin:center;animation:spin .4s linear 5}
@keyframes spin{to{transform:rotate(360deg)}}
.beacon{animation:flash 1s steps(1) infinite}
@keyframes flash{0%{opacity:1}50%{opacity:.2}}
.road{height:28px;background:var(--black);position:relative;margin-top:-2px}
.road::before{content:"";position:absolute;left:0;right:0;top:12px;height:4px;background:repeating-linear-gradient(90deg,#fff 0 36px,transparent 36px 72px);animation:road .5s linear 5}
@keyframes road{to{background-position:-72px 0}}
.hazard{height:18px;background:repeating-linear-gradient(-45deg,var(--blue) 0 16px,var(--black) 16px 32px);background-size:45px 45px;animation:haz 2.5s linear infinite}
@keyframes haz{to{background-position:45px 0}}

/* services */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:3px solid var(--black);border-radius:20px;padding:26px;position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s}
.card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:8px;background:repeating-linear-gradient(-45deg,var(--blue) 0 10px,var(--black) 10px 20px);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.card:hover{transform:translateY(-6px);box-shadow:8px 10px 0 var(--blue)}
.card:hover::after{transform:scaleX(1)}
.ico{width:58px;height:58px;background:var(--blue);border:3px solid var(--black);display:grid;place-items:center;clip-path:polygon(0 0,100% 0,88% 100%,0 100%);margin-bottom:16px}
.ico svg{width:28px;height:28px;color:var(--black)}
.card h3{font-size:1.3rem;margin-bottom:8px}
.card p{margin:0;color:var(--muted)}
@media(max-width:900px){.grid3{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid3{grid-template-columns:1fr}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{position:relative;padding:34px 24px 26px;background:var(--card);border:3px solid var(--black);border-radius:20px}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-24px;left:22px;width:56px;height:56px;background:var(--blue);color:var(--black);font:900 1.9rem var(--serif);display:grid;place-items:center;border:3px solid var(--black);clip-path:polygon(0 0,100% 0,86% 100%,0 100%);padding-right:6px}
.step h3{font-size:1.3rem;margin:10px 0 6px}
.step p{margin:0;color:var(--muted)}
@media(max-width:820px){.steps{grid-template-columns:1fr;gap:38px}}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ph{aspect-ratio:4/3;border:3px dashed var(--muted);border-radius:20px;display:grid;place-items:center;text-align:center;padding:18px;color:var(--muted);background:repeating-linear-gradient(-45deg,transparent 0 14px,rgba(255,109,0,.08) 14px 28px);transition:.2s}
.ph:hover{border-color:var(--blue);color:var(--ink)}
.ph svg{width:44px;height:44px;color:var(--blue);margin:0 auto 8px}
.ph b{display:block;color:var(--ink)}
@media(max-width:820px){.gal{grid-template-columns:1fr}}

/* why */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.why div{border-left:6px solid var(--blue);padding:6px 0 6px 16px}
.why h3{font-family:var(--sans);font-weight:700;font-size:1.1rem;margin-bottom:4px}
.why p{margin:0;color:var(--muted);font-size:.96rem}
@media(max-width:900px){.why{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.why{grid-template-columns:1fr}}

/* sticky mobile bar + floating wa */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));background:var(--black);border-top:3px solid var(--blue)}
.dock .btn{flex:1;padding:13px 10px;border-radius:12px;box-shadow:none;font-size:1rem}
@media(max-width:820px){.dock{display:flex}body{padding-bottom:78px}}


/* mobile-first refinements */
@media(max-width:600px){
  .wrap{width:min(100% - 28px,1140px)}
  .sec{padding:64px 0}
  .topbar{font-size:.78rem}
  .topbar .wrap{padding:7px 0}
  header.nav .wrap{height:62px;gap:10px}
  .brand b{font-size:1.3rem}
  .brand span{font-size:.72rem;letter-spacing:.36em}
  .hero-grid{gap:18px;padding:30px 0 24px}
  .hero h1{font-size:clamp(2.25rem,12vw,3.5rem)}
  .hero p.lead{font-size:1rem;margin:16px 0 22px}
  .cta-row{gap:12px}
  .hero .cta-row .btn{width:100%;padding:14px 18px}
  .trust{display:grid;grid-template-columns:1fr;gap:9px;margin-top:22px;font-size:.9rem}
  .hero-art{min-height:270px}
  .logo-card{width:min(300px,82%);border-radius:24px;box-shadow:7px 7px 0 var(--black)}
  .truck{width:min(360px,94vw)}
  .sec-head{margin-bottom:28px}
  .sec-head p{font-size:1rem}
  .grid3{gap:14px}
  .card{padding:22px}
  .steps{gap:34px}
  .step{padding:30px 20px 22px}
  .gal{gap:14px}
  footer .wrap{justify-content:center;text-align:center}
}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
}


/* V11 - Hero fotográfico con la grúa real */
.hero{min-height:min(720px,calc(100svh - 100px));display:flex;align-items:center;}
.hero::before{background-image:linear-gradient(90deg,rgba(11,11,11,.88) 0%,rgba(11,11,11,.68) 38%,rgba(11,11,11,.28) 72%,rgba(11,11,11,.45) 100%),url("../assets/images/grua-real.jpeg");background-size:cover;background-position:center center;opacity:1;}
.hero::after{background:linear-gradient(180deg,rgba(11,11,11,.18) 0%,rgba(11,11,11,.06) 55%,rgba(11,11,11,.78) 100%);}
.hero-grid{grid-template-columns:minmax(0,1fr);padding:76px 0 92px;max-width:1140px;}
.hero-copy{max-width:650px;}
.hero-copy .lead{color:#f2f2f2;text-shadow:0 2px 10px rgba(0,0,0,.55);}
.hero-copy .trust{color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.6);}
.hero-copy .eyebrow{background:rgba(11,11,11,.55);padding:8px 12px;}
.hero-copy h1{text-shadow:0 3px 14px rgba(0,0,0,.6);}
@media(max-width:820px){
  .hero{min-height:calc(100svh - 92px);align-items:flex-end;}
  .hero::before{background-image:linear-gradient(180deg,rgba(11,11,11,.38) 0%,rgba(11,11,11,.58) 42%,rgba(11,11,11,.94) 88%,rgba(11,11,11,.98) 100%),url("../assets/images/grua-real.jpeg");background-position:58% center;}
  .hero-grid{grid-template-columns:1fr;padding:34px 0 70px;}
  .hero-copy{max-width:none;}
}
@media(max-width:600px){
  .hero{min-height:calc(100svh - 90px);}
  .hero::before{background-position:62% center;}
  .hero-grid{padding:26px 0 58px;}
}


/* V12 - Hero title cleaner + animated blue safety stripe */
.hero-title{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif !important;font-weight:900;letter-spacing:-.045em;line-height:.95;}
.hero-title .or{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif !important;font-weight:900;}
.hero-hazard{position:relative;z-index:4;height:18px;margin:0;overflow:hidden;}
@media (max-width:700px){.hero-title{letter-spacing:-.04em;line-height:.98}.hero-hazard{height:14px;}}