/* Sternbach — logo only */
@font-face {
  font-family: 'Sternbach';
  src: url('fonts/Sternbach Bold.otf') format('opentype');
  font-weight: 700;
  font-display: swap;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:      #080808;
  --surface: #111111;
  --surface2:#1a1a1a;
  --border:  #242424;
  --accent:  #E8500A;
  --text:    #F0EEE8;
  --muted:   #888880;
  --red:     #FFF;   /* logo red */
}

html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;font-size:16px;line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:#FF6B1A}

/* ── NAV ────────────────────────────────────────────── */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:.85rem 2.5rem;
  background:rgba(8,8,8,.94);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  transition:border-color .3s;
}

/* Logo SVG — the only place Sternbach is used */
.nav-logo{display:flex;align-items:center}
.logo-svg{display:block;overflow:visible}

.nav-links{display:flex;gap:2.25rem;list-style:none}
.nav-links a{
  font-size:.8rem;font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);transition:color .2s;
}
.nav-links a:hover{color:var(--text)}
.nav-phone{font-size:1rem;font-weight:700;color:var(--accent);letter-spacing:.02em}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}

/* ── HERO — parallax ─────────────────────────────────── */
#hero{
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
#hero-video{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  will-change:transform;
}
/* dark overlay */
#hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(
    to bottom,
    rgba(0,0,0,.72) 0%,
    rgba(0,0,0,.55) 50%,
    rgba(0,0,0,.80) 100%
  );
}
/* accent line bottom */
#hero::after{
  content:'';position:absolute;bottom:0;left:0;right:0;
  height:3px;background:var(--accent);
}

.hero-inner{
  position:relative;z-index:1;
  text-align:center;padding:8rem 2rem 6rem;
  max-width:820px;width:100%;
}
.hero-label{
  display:inline-block;
  font-size:.68rem;font-weight:500;
  letter-spacing:.3em;text-transform:uppercase;color:var(--accent);
  margin-bottom:1.25rem;
  opacity:0;animation:fadeUp .5s .2s ease forwards;
}
.hero-title{
  font-size:clamp(2.6rem,6vw,5rem);
  font-weight:700;line-height:1.04;
  letter-spacing:-.01em;margin-bottom:1.25rem;
  opacity:0;animation:fadeUp .6s .4s ease forwards;
}
.hero-title em{font-style:normal;color:var(--accent)}
.hero-sub{
  font-size:1.05rem;color:rgba(240,238,232,.7);
  max-width:500px;margin:0 auto 2.5rem;
  font-weight:300;
  opacity:0;animation:fadeUp .6s .6s ease forwards;
}
.hero-cta{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text);border:1px solid rgba(240,238,232,.3);
  padding:.75rem 1.75rem;border-radius:3px;
  transition:background .25s,border-color .25s;
  opacity:0;animation:fadeUp .6s .8s ease forwards;
}
.hero-cta:hover{background:rgba(232,80,10,.15);border-color:var(--accent);color:var(--text)}
.hero-cta svg{width:16px;height:16px;transition:transform .25s}
.hero-cta:hover svg{transform:translateY(3px)}

/* ── SECTIONS COMMON ─────────────────────────────────── */
section{padding:7rem 2rem}
.container{max-width:1100px;margin:0 auto}

.section-label{
  font-size:.68rem;font-weight:600;letter-spacing:.28em;
  text-transform:uppercase;color:var(--accent);
  margin-bottom:.85rem;display:block;
}
.section-title{
  font-size:clamp(1.8rem,4vw,2.75rem);
  font-weight:700;line-height:1.1;
  letter-spacing:-.01em;margin-bottom:1.25rem;
}
.divider{width:40px;height:3px;background:var(--accent);margin-bottom:2rem;border-radius:2px}

/* ── ABOUT ───────────────────────────────────────────── */
#acerca{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}
.about-text p{color:var(--muted);font-weight:300;font-size:1rem;margin-bottom:1.1rem}

.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-top:2.25rem}
.stat{border:1px solid var(--border);padding:1.25rem;border-radius:6px;background:var(--surface2);transition:border-color .3s}
.stat:hover{border-color:var(--accent)}
.stat-num{font-size:1.9rem;font-weight:700;color:var(--accent);display:block;letter-spacing:-.02em}
.stat-label{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}

.about-img-wrap{position:relative}
.about-img-wrap::after{
  content:'';position:absolute;inset:-10px 10px 10px -10px;
  border:1px solid var(--accent);border-radius:8px;opacity:.18;z-index:-1;
}

/* xray diagram — CSS Grid overlay so SVG stacks on image reliably */
.xray-wrap{
  display:grid;
  border-radius:8px;
  border:1px solid var(--border);
}
.xray-wrap > *{grid-area:1/1}
.xray-wrap img{width:100%;display:block;height:auto;border-radius:8px}
.xray-svg{width:100%;height:100%;pointer-events:none;overflow:visible}

/* ── SERVICIOS ───────────────────────────────────────── */
#servicios{background:var(--bg)}
.services-header{margin-bottom:3.5rem}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}
.scard{
  background:var(--surface);border:1px solid var(--border);border-radius:8px;
  padding:2.25rem 1.75rem;
  transition:border-color .3s,transform .3s;
  position:relative;overflow:hidden;
}
.scard::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.scard:hover::before{transform:scaleX(1)}
.scard:hover{border-color:var(--accent);transform:translateY(-4px)}
.scard-icon{width:42px;height:42px;margin-bottom:1.4rem;color:var(--accent)}
.scard h3{font-size:1.05rem;font-weight:700;margin-bottom:.65rem;letter-spacing:.01em}
.scard p{color:var(--muted);font-size:.87rem;line-height:1.6;font-weight:300}

/* ── UBICACION ───────────────────────────────────────── */
#ubicacion{background:var(--surface);border-top:1px solid var(--border)}
.loc-grid{display:grid;grid-template-columns:1fr 1.65fr;gap:4rem;align-items:start;margin-top:3rem}
.cinfo{display:flex;flex-direction:column;gap:1.4rem}
.citem{display:flex;gap:.9rem;align-items:flex-start}
.cicon{
  width:38px;height:38px;background:var(--surface2);border:1px solid var(--border);
  border-radius:6px;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;color:var(--accent);
}
.cicon svg{width:17px;height:17px}
.cdetail strong{
  display:block;font-size:.68rem;font-weight:600;
  letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:.2rem;
}
.cdetail span,.cdetail a{font-size:.93rem;color:var(--text)}
.other-locs{margin-top:2.25rem;padding-top:2rem;border-top:1px solid var(--border)}
.other-locs h4{font-size:.68rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.loc-item{padding:.65rem 0;border-bottom:1px solid var(--border)}
.loc-item:last-child{border-bottom:none}
.loc-item strong{display:block;font-size:.92rem;font-weight:700;margin-bottom:.15rem}
.loc-item span{font-size:.83rem;color:var(--muted)}
.map-wrap{border-radius:8px;overflow:hidden;border:1px solid var(--border)}
.map-wrap iframe{width:100%;height:490px;display:block}

/* ── FOOTER ─────────────────────────────────────────── */
footer{background:var(--bg);border-top:1px solid var(--border);padding:2.25rem 2rem}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}
.footer-copy{font-size:.77rem;color:var(--muted)}
.footer-copy a{color:var(--muted)}
.footer-copy a:hover{color:var(--text)}

/* ── KEYFRAMES ───────────────────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
.rd1{transition-delay:.1s}.rd2{transition-delay:.2s}.rd3{transition-delay:.3s}.rd4{transition-delay:.4s}

/* ── RESPONSIVE ──────────────────────────────────────── */
@media(max-width:900px){
  .about-grid{grid-template-columns:1fr;gap:3rem}
  .xray-svg{display:none}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .loc-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  nav.open .nav-links{
    display:flex;flex-direction:column;position:absolute;
    top:100%;left:0;right:0;background:rgba(8,8,8,.98);
    padding:1.5rem 2.5rem;border-bottom:1px solid var(--border);gap:1.5rem;
  }
}
@media(max-width:600px){
  nav{padding:.85rem 1.25rem}
  section{padding:5rem 1.25rem}
  .services-grid{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr 1fr}
  .hero-title{font-size:2.4rem}
  footer{padding:2rem 1.25rem}
  .footer-inner{flex-direction:column;gap:.65rem;text-align:center}
}