/* Baltra Digital — estilos */
:root{
  --bg:#0b0d0c; --bg-2:#111513; --card:#151a17; --line:#232a26;
  --text:#eef2ef; --muted:#9aa59f; --soft:#c9d1cc;
  --g1:#19e38a; --g2:#c4f03a; --accent:#7ff05c;
  --grad:linear-gradient(120deg,var(--g1),var(--g2));
  --r:18px; --max:1200px;
  --ff-h:"Space Grotesk",system-ui,sans-serif; --ff-b:"Inter",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--ff-b);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:var(--ff-h);line-height:1.08;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2.6rem,6.4vw,5.4rem)}
h2{font-size:clamp(2rem,4.2vw,3.4rem)}
h3{font-size:1.35rem}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--grad)}
.lead{font-size:1.18rem;color:var(--soft);max-width:640px}
section{padding:110px 0}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:56px;flex-wrap:wrap}
.sec-head p{color:var(--muted);max-width:460px}

/* botones */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:999px;font-weight:600;font-size:.98rem;transition:.25s;border:1px solid transparent;cursor:pointer;font-family:var(--ff-b)}
.btn-primary{background:var(--grad);color:#07120b}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(25,227,138,.6)}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn svg{width:18px;height:18px}

/* header */
header.site{position:fixed;inset:0 0 auto 0;z-index:50;transition:.3s;border-bottom:1px solid transparent}
header.site.scrolled{background:rgba(11,13,12,.86);backdrop-filter:blur(14px);border-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.nav .logo img{height:34px;width:auto}
.nav ul{display:flex;gap:34px;list-style:none;font-size:.95rem;color:var(--soft)}
.nav ul a:hover{color:var(--accent)}
.nav-right{display:flex;align-items:center;gap:16px}
.lang{font-size:.82rem;font-weight:600;color:var(--muted);border:1px solid var(--line);padding:6px 11px;border-radius:999px}
.lang:hover{color:var(--accent);border-color:var(--accent)}
.burger{display:none;background:none;border:0;color:var(--text);cursor:pointer}
.burger svg{width:28px;height:28px}

/* hero */
.hero{padding:170px 0 90px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;width:780px;height:780px;right:-260px;top:-220px;background:radial-gradient(circle,rgba(25,227,138,.20),transparent 62%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero h1{margin:22px 0 26px}
.hero .ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:.84rem;color:var(--soft);border:1px solid var(--line);background:var(--bg-2);padding:8px 14px;border-radius:999px}
.badge b{color:var(--text)}
.badge.cert{border-color:rgba(127,240,92,.45);background:rgba(127,240,92,.07)}
.badge svg{width:16px;height:16px;color:var(--accent)}
.hero-collage{position:relative;height:560px}
.hero-collage figure{position:absolute;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 60px -30px #000}
.hero-collage img{width:100%;height:100%;object-fit:cover}
.hc1{width:62%;height:68%;right:0;top:0}
.hc2{width:50%;height:48%;left:0;top:22%}
.hc3{width:46%;height:40%;right:8%;bottom:0}
.hero-collage .tag{position:absolute;left:12px;bottom:12px;background:rgba(11,13,12,.8);backdrop-filter:blur(6px);font-size:.75rem;padding:5px 10px;border-radius:999px}

/* clientes */
.clients{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0;overflow:hidden}
.marquee{display:flex;gap:64px;width:max-content;animation:mq 36s linear infinite}
.marquee span{font-family:var(--ff-h);font-size:1.5rem;color:#56605a;white-space:nowrap;font-weight:600}
.marquee span i{color:var(--accent);font-style:normal;margin-left:64px}
@keyframes mq{to{transform:translateX(-50%)}}

/* métricas */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:30px}
.metric strong{display:block;font-family:var(--ff-h);font-size:clamp(2.2rem,4vw,3.2rem);line-height:1}
.metric span{display:block;color:var(--muted);margin-top:12px;font-size:.95rem}
.metric small{display:block;color:#6d7872;margin-top:8px;font-size:.78rem}

/* restaurantes */
.resto{background:var(--bg-2)}
.resto-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
.resto-img{border-radius:var(--r);overflow:hidden;aspect-ratio:4/5;border:1px solid var(--line)}
.resto-img img{width:100%;height:100%;object-fit:cover}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:38px}
.check{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.check .ic{flex:none;width:34px;height:34px;border-radius:10px;background:rgba(127,240,92,.12);display:grid;place-items:center;color:var(--accent)}
.check .ic svg{width:18px;height:18px}
.check h4{font-size:1rem;margin-bottom:4px}
.check p{font-size:.88rem;color:var(--muted);line-height:1.5}

/* casos */
.cases{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.case{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--card);grid-column:span 2;display:flex;flex-direction:column;transition:.3s}
.case.big{grid-column:span 3}
.case:hover{border-color:rgba(127,240,92,.5);transform:translateY(-4px)}
.case .thumb{aspect-ratio:4/3;overflow:hidden;background:#0f1311}
.case.big .thumb{aspect-ratio:16/10}
.case .thumb img{width:100%;height:100%;object-fit:cover;transition:.6s}
.case:hover .thumb img{transform:scale(1.05)}
.case .thumb.placeholder{display:grid;place-items:center;background:radial-gradient(circle at 30% 20%,rgba(25,227,138,.18),transparent 60%),#101411}
.case .thumb.placeholder span{font-family:var(--ff-h);font-size:2rem;color:#d8e2db;text-align:center;padding:20px}
.case .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.case .meta{font-size:.78rem;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;font-weight:600}
.case h3{font-size:1.4rem}
.case p{color:var(--muted);font-size:.93rem}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:8px}
.tags span{font-size:.74rem;border:1px solid var(--line);padding:4px 10px;border-radius:999px;color:var(--soft)}
.case .kpi{font-family:var(--ff-h);font-size:1.05rem}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filters button{background:none;border:1px solid var(--line);color:var(--soft);padding:9px 16px;border-radius:999px;cursor:pointer;font-family:var(--ff-b);font-size:.88rem}
.filters button.on,.filters button:hover{border-color:var(--accent);color:var(--accent)}

/* servicios */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:32px;transition:.3s;position:relative}
.service:hover{border-color:rgba(127,240,92,.45)}
.service .num{font-family:var(--ff-h);color:#46514b;font-size:.9rem}
.service h3{margin:18px 0 12px}
.service p{color:var(--muted);font-size:.95rem}
.service .pill{position:absolute;top:24px;right:24px;font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:var(--grad);color:#07120b;padding:5px 10px;border-radius:999px}

/* por qué */
.why{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.why-list{display:grid;gap:16px}
.why-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.why-item strong{font-family:var(--ff-h);font-size:1.1rem;display:block;margin-bottom:4px}
.why-item p{color:var(--muted);font-size:.95rem}
.why-item .ic{flex:none;color:var(--accent)}
.why-item .ic svg{width:26px;height:26px}
.cert-card{background:linear-gradient(160deg,rgba(25,227,138,.12),rgba(196,240,58,.04));border:1px solid rgba(127,240,92,.35);border-radius:var(--r);padding:34px;margin-top:28px}
.cert-card h3{margin:10px 0}
.cert-card p{color:var(--soft)}

/* proceso */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{border-top:2px solid var(--line);padding-top:26px;position:relative}
.step::before{content:"";position:absolute;top:-2px;left:0;width:60px;height:2px;background:var(--grad)}
.step .time{font-size:.8rem;color:var(--accent);font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.step h3{margin:12px 0 10px;font-size:1.6rem}
.step p{color:var(--muted)}
.step ul{list-style:none;margin-top:16px;display:flex;flex-wrap:wrap;gap:6px}
.step li{font-size:.78rem;border:1px solid var(--line);padding:4px 10px;border-radius:999px;color:var(--soft)}

/* faq */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line);padding:24px 0}
.faq summary{cursor:pointer;font-family:var(--ff-h);font-size:1.2rem;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::after{content:"+";color:var(--accent);font-size:1.5rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin-top:14px}

/* contacto */
.contact{background:var(--bg-2)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact-links{display:grid;gap:12px;margin-top:34px}
.contact-links a{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:.25s}
.contact-links a:hover{border-color:var(--accent)}
.contact-links svg{width:22px;height:22px;color:var(--accent);flex:none}
.contact-links small{display:block;color:var(--muted);font-size:.8rem}
form.brief{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:34px;display:grid;gap:16px}
.field{display:grid;gap:6px}
.field label{font-size:.85rem;color:var(--soft)}
.field input,.field select,.field textarea{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px;color:var(--text);font:inherit;font-size:.95rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form.brief .note{font-size:.8rem;color:var(--muted)}

/* footer */
footer{border-top:1px solid var(--line);padding:60px 0 40px;color:var(--muted);font-size:.9rem}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot img{height:30px;width:auto;margin-bottom:14px}
.foot ul{list-style:none;display:grid;gap:8px}
.foot h4{color:var(--text);font-size:.95rem;margin-bottom:14px}
.foot a:hover{color:var(--accent)}
.copy{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);font-size:.8rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* whatsapp flotante */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 30px -8px rgba(37,211,102,.6);transition:.25s}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:30px;height:30px;color:#fff}

/* páginas de caso */
.case-hero{padding:160px 0 60px}
.case-hero .back{color:var(--muted);font-size:.9rem;display:inline-flex;gap:8px;margin-bottom:30px}
.case-hero .back:hover{color:var(--accent)}
.case-hero h1{font-size:clamp(2.6rem,6vw,4.8rem);margin:18px 0 22px}
.case-cover{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);aspect-ratio:21/9;margin-top:50px}
.case-cover img{width:100%;height:100%;object-fit:cover;object-position:center 22%}
.case-cover.placeholder{display:grid;place-items:center;background:radial-gradient(circle at 30% 20%,rgba(25,227,138,.18),transparent 60%),#101411}
.case-cover.placeholder span{font-family:var(--ff-h);font-size:clamp(2rem,5vw,4rem)}
.case-body{display:grid;grid-template-columns:320px 1fr;gap:70px;padding:40px 0 80px}
.case-facts{position:sticky;top:110px;align-self:start;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;display:grid;gap:20px}
.case-facts dt{font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.case-facts dd{margin-top:4px}
.case-text h2{font-size:1.8rem;margin:40px 0 14px}
.case-text h2:first-child{margin-top:0}
.case-text p{color:var(--soft);margin-bottom:16px;font-size:1.06rem}
.case-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:30px 0}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding-bottom:40px}
.gallery figure{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#0f1311}
.gallery figure.wide{grid-column:span 2}
.gallery img{width:100%;height:100%;object-fit:cover}
.next-case{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);padding:50px 0;flex-wrap:wrap}
.next-case a.big{font-family:var(--ff-h);font-size:clamp(1.6rem,4vw,2.8rem)}
.next-case a.big:hover{color:var(--accent)}
.cta-band{background:var(--grad);color:#07120b;border-radius:var(--r);padding:56px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;margin:40px 0 100px}
.cta-band h2{font-size:clamp(1.8rem,3.4vw,2.6rem);max-width:620px}
.cta-band .btn{background:#07120b;color:var(--text)}

/* animación */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.marquee{animation:none}html{scroll-behavior:auto}}

/* responsive */
@media (max-width:1020px){
  .hero-grid,.resto-grid,.why,.contact-grid,.case-body{grid-template-columns:1fr}
  .hero-collage{height:420px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .services{grid-template-columns:repeat(2,1fr)}
  .cases{grid-template-columns:repeat(2,1fr)}
  .case,.case.big{grid-column:span 1}
  .case-facts{position:static}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  section{padding:80px 0}
  .nav ul{display:none;position:absolute;top:78px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:10px 16px 20px}
  .nav ul.open{display:flex}
  .nav ul li a{display:block;padding:14px 0;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .nav-right .btn{display:none}
  .hero{padding-top:130px}
  .hero-collage{height:340px}
  .metrics,.services,.cases,.steps,.checks,.row2,.case-kpis,.gallery{grid-template-columns:1fr}
  .gallery figure.wide{grid-column:span 1}
  .cta-band{padding:34px}
}