:root{
  --negro:#000;--panel:#0b0b0b;--panel2:#121212;--linea:#262626;
  --blanco:#E2E3E6;--gris:#a4a6ab;--oro:#D8B45C;
  --oro-grad:linear-gradient(-25deg,#BF953F 0%,#FCF6BA 35%,#AA771C 70%,#FBF5B7 100%);
  --radio:14px;--max:1160px;
  --f:'Rajdhani',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--negro);color:var(--blanco);font-family:var(--f);font-size:19px;line-height:1.5;font-weight:500}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-weight:700;line-height:1.1;margin:0 0 .5em;letter-spacing:-.005em}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);max-width:22ch}
h3{font-size:1.3rem}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
@media(min-width:720px){.wrap{padding:0 28px}}
.gold{background:var(--oro-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.kicker{text-transform:uppercase;letter-spacing:.16em;font-size:.82rem;font-weight:700;color:var(--oro);margin-bottom:.8em}
.sub,.lead{color:var(--gris);max-width:60ch}
.lead{font-size:1.15rem}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:50px;padding:.6em 1.3em;border-radius:999px;font-family:var(--f);font-weight:700;font-size:1.05rem;text-decoration:none;cursor:pointer;border:1.5px solid transparent;transition:transform .15s,filter .15s,background .15s}
.btn svg{width:1.25em;height:1.25em;flex:none}
.btn-gold{background:var(--oro-grad);color:#000}
.btn-gold:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-line{border-color:#3a3a3a;color:var(--blanco);background:transparent}
.btn-line:hover{border-color:var(--oro);color:#fff}
.btn-sm{min-height:42px;font-size:.95rem;padding:.4em 1.1em}
:focus-visible{outline:2px solid var(--oro);outline-offset:3px}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(0,0,0,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid #161616}
.top-in{display:flex;align-items:center;gap:20px;height:72px}
.brand img{height:40px;width:auto}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{text-decoration:none;font-weight:600;color:var(--gris);font-size:1.02rem}
.nav a:hover{color:var(--blanco)}
.menu-btn{display:none;margin-left:auto;background:none;border:0;width:44px;height:44px;padding:10px;cursor:pointer}
.menu-btn span{display:block;height:2px;background:var(--blanco);margin:5px 0;border-radius:2px;transition:transform .2s,opacity .2s}
@media(max-width:900px){
  .top-cta{display:none}
  .menu-btn{display:block}
  .brand img{height:34px}
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;gap:0;background:#000;border-bottom:1px solid var(--linea);padding:8px 16px 16px;transform:translateY(-120%);transition:transform .25s;margin:0}
  .nav.open{transform:none}
  .nav a{padding:14px 4px;border-bottom:1px solid #151515;font-size:1.15rem;color:var(--blanco)}
  .menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* hero */
.hero{position:relative;overflow:hidden;padding:48px 0 64px;background:radial-gradient(900px 500px at 85% 20%,rgba(216,180,92,.13),transparent 60%)}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin:1.6em 0 1.4em}
.hero-points{list-style:none;padding:0;margin:0;display:grid;gap:.4em;color:var(--gris)}
.hero-points li{padding-left:1.6em;position:relative}
.hero-points li::before{content:"";position:absolute;left:0;top:.45em;width:.8em;height:.8em;border-radius:50%;background:var(--oro-grad)}
.hero-img{margin:0;position:relative}
.hero-img img{border-radius:22px;aspect-ratio:4/5;object-fit:cover;width:100%;border:1px solid #2a2a2a}
.hero-img::after{content:"";position:absolute;inset:-1px;border-radius:23px;padding:1px;background:var(--oro-grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.55;pointer-events:none}
@media(max-width:860px){
  .hero{padding:28px 0 48px}
  .hero-in{grid-template-columns:1fr;gap:32px}
  .hero-img img{aspect-ratio:4/3;object-position:center 35%}
  .hero-ctas .btn{flex:1 1 100%}
}

/* secciones */
.sec{padding:80px 0}
.sec-alt{background:var(--panel);border-top:1px solid #141414;border-bottom:1px solid #141414}
@media(max-width:720px){.sec{padding:56px 0}}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:36px}
.card{background:var(--panel2);border:1px solid var(--linea);border-radius:var(--radio);padding:26px 24px;transition:border-color .2s}
.card:hover{border-color:#4a3e20}
.card p{color:var(--gris);margin:0}
.card-wide{grid-column:1/-1}
.ico{width:34px;height:34px;color:var(--oro);margin-bottom:14px}
@media(max-width:360px){.cards{grid-template-columns:1fr}}

/* galería */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0 22px}
.chip{font-family:var(--f);font-weight:600;font-size:1rem;background:transparent;color:var(--gris);border:1px solid #333;border-radius:999px;padding:.4em 1em;cursor:pointer;min-height:40px}
.chip:hover{color:var(--blanco);border-color:#555}
.chip.is-on{background:var(--oro-grad);color:#000;border-color:transparent}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.gallery button{all:unset;cursor:zoom-in;position:relative;border-radius:10px;overflow:hidden;aspect-ratio:3/4;background:#111;display:block}
.gallery button:focus-visible{outline:2px solid var(--oro);outline-offset:2px}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.gallery button:hover img{transform:scale(1.04)}
.gallery span{position:absolute;left:0;right:0;bottom:0;padding:28px 12px 10px;font-size:.95rem;font-weight:600;background:linear-gradient(transparent,rgba(0,0,0,.85))}
.gallery [hidden]{display:none}
@media(max-width:900px){.gallery{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.gallery{grid-template-columns:repeat(2,1fr);gap:8px}.gallery span{font-size:.85rem}}

/* cómo trabajamos / contacto */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:36px}}
.steps{counter-reset:s;list-style:none;padding:0;margin:28px 0 0;display:grid;gap:18px}
.steps li{counter-increment:s;position:relative;padding-left:56px;color:var(--gris)}
.steps li strong{display:block;color:var(--blanco);font-size:1.15rem}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#000;background:var(--oro-grad)}
.split-img{margin:0}
.split-img img{border-radius:var(--radio);aspect-ratio:4/5;object-fit:cover;width:100%;border:1px solid var(--linea)}
.split-img figcaption{color:var(--gris);font-size:.95rem;margin-top:10px}
@media(max-width:860px){.split-img img{aspect-ratio:16/10}}

.contact-btns{display:flex;flex-direction:column;gap:10px;margin:26px 0;max-width:380px}
.contact-btns .btn{justify-content:flex-start}
.zone{color:var(--gris)}
.zone strong{color:var(--blanco)}

.form{background:var(--panel2);border:1px solid var(--linea);border-radius:18px;padding:26px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field-full{grid-column:1/-1}
.field label{font-weight:600;font-size:.98rem}
.field input,.field select,.field textarea{font:inherit;font-weight:500;color:var(--blanco);background:#070707;border:1px solid #333;border-radius:10px;padding:.65em .8em;min-height:48px;width:100%}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--oro);box-shadow:0 0 0 3px rgba(216,180,92,.18)}
.field .err{border-color:#d9534f}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.form-msg{margin:0;color:var(--gris)}
.form-msg.ok{color:#7fd18b}.form-msg.bad{color:#ff8a80}
@media(max-width:560px){.form{grid-template-columns:1fr;padding:20px}.form-foot .btn{width:100%}}

/* footer */
.foot{padding:36px 0 110px;border-top:1px solid #141414}
.foot-in{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.foot-in img{width:44px;height:auto}
.foot p{margin:0;color:var(--gris);font-size:.98rem}
.foot strong{color:var(--blanco)}
.foot .copy{margin-left:auto}
@media(max-width:640px){.foot .copy{margin-left:0;width:100%}}

/* franja eslogan */
.slogan{position:relative;padding:64px 0;text-align:center;background:linear-gradient(180deg,#0b0b0b,#000);border-top:1px solid #2a2410;border-bottom:1px solid #2a2410;overflow:hidden}
.slogan::before,.slogan::after{content:"";position:absolute;left:50%;transform:translateX(-50%);width:min(560px,70%);height:1px;background:var(--oro-grad)}
.slogan::before{top:22px}.slogan::after{bottom:22px}
.slogan-txt{margin:0 auto;max-width:none;font-size:clamp(1.7rem,4.2vw,2.9rem);font-weight:700;line-height:1.15;letter-spacing:-.005em}
.foot-slogan{font-style:italic;color:var(--oro)!important;margin-top:4px!important}
@media(max-width:720px){.slogan{padding:48px 0}.slogan-txt{font-size:1.4rem}}

/* whatsapp flotante */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:60px;height:60px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.5);transition:transform .15s}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:32px;height:32px}

/* lightbox */
.lb{border:0;padding:0;background:transparent;max-width:100vw;max-height:100vh;width:100vw;height:100vh;margin:0}
.lb::backdrop{background:rgba(0,0,0,.94)}
.lb[open]{display:flex;flex-direction:column;align-items:center;justify-content:center}
.lb img{max-width:92vw;max-height:80vh;border-radius:10px;object-fit:contain}
.lb p{color:var(--blanco);margin:14px 0 0;font-weight:600}
.lb-x,.lb-nav{position:fixed;background:rgba(20,20,20,.8);color:#fff;border:1px solid #333;border-radius:50%;width:48px;height:48px;font-size:30px;line-height:1;cursor:pointer;display:grid;place-items:center}
.lb-x{top:16px;right:16px}
.lb-prev{left:12px;top:50%;transform:translateY(-50%)}
.lb-next{right:12px;top:50%;transform:translateY(-50%)}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}