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

:root {
  --bg:#0f0f0f; --surface:#1a1a1a; --accent:#c8882a;
  --accent2:#e6a83a; --text:#f0ece6; --muted:#888880; --border:#2e2e2e;
}

html { scroll-behavior: smooth; }
body { background:var(--bg); color:var(--text); font-family:'Inter',sans-serif; font-weight:300; line-height:1.6; overflow-x:hidden; }

a { color:inherit; }

/* NAV */
nav { position:fixed; top:0; left:0; right:0; z-index:100; display:flex; align-items:center; justify-content:space-between; padding:0.75rem 5vw; background:rgba(15,15,15,0.94); backdrop-filter: blur(12px); border-bottom:1px solid var(--border); }
.nav-logo-wrap { display:flex; align-items:center; gap:0.4rem; text-decoration:none; }
.logo-wordmark { font-family:'Rubik Mono One',monospace; font-size:1.25rem; letter-spacing:0.1em; color:var(--text); line-height:1; }
.logo-wordmark .er { color:var(--accent); }
.logo-sub { font-family:'Inter',sans-serif; font-weight:400; font-size:0.52rem; letter-spacing:0.3em; text-transform:uppercase; color:var(--muted); display:block; margin-top:2px; }
nav ul { list-style:none; display:flex; gap:2rem; }
nav ul a { color:var(--muted); text-decoration:none; font-size:0.8rem; letter-spacing:0.07em; text-transform:uppercase; transition:color .25s; }
nav ul a:hover { color:var(--accent2); }

/* Hamburger */
.hamburger { display:none; background:transparent; border:0; color:var(--text); font-size:1.6rem; cursor:pointer; padding:.25rem .5rem; }

/* HERO */
#hero { min-height:100vh; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding:7rem 5vw 5rem; position:relative; overflow:hidden; }
.hero-bg { position:absolute; inset:0; background: radial-gradient(ellipse 70% 55% at 50% 60%,rgba(200,136,42,0.12) 0%,transparent 70%); background-size:cover; background-position:center; filter:blur(0px); opacity:1; transform:scale(1.08); }
#hero > * { position:relative; z-index:1; }
.hero-wordmark { font-family:'Rubik Mono One',monospace; font-size:clamp(3rem,10vw,6rem); letter-spacing:0.1em; color:var(--text); line-height:1; opacity:0; animation:fadeUp .7s .2s forwards; }
.hero-wordmark .er { color:var(--accent); }
.hero-subbrand { font-size:clamp(0.6rem,1.5vw,0.75rem); letter-spacing:0.35em; text-transform:uppercase; color:var(--muted); margin-top:6px; display:block; opacity:0; animation:fadeUp .7s .32s forwards; }
.hero-h1 { font-family:'Inter',sans-serif; font-weight:700; font-size:clamp(1.2rem,3vw,1.7rem); letter-spacing:.02em; color:var(--text); margin-top:1.6rem; max-width:780px; line-height:1.25; opacity:0; animation:fadeUp .7s .42s forwards; }
.hero-sub { font-size:clamp(0.95rem,2.5vw,1.1rem); color:var(--muted); max-width:560px; margin-top:1rem; opacity:0; animation:fadeUp .7s .52s forwards; }
.hero-badge-free { display:inline-block; background:rgba(200,136,42,.13); border:1px solid var(--accent); color:var(--accent2); font-size:0.72rem; letter-spacing:0.14em; text-transform:uppercase; padding:.55rem 1rem; border-radius:3px; margin-top:1.4rem; opacity:0; animation:fadeUp .7s .62s forwards; }
.hero-cta { margin-top:2.2rem; display:flex; gap:1rem; flex-wrap:wrap; justify-content:center; opacity:0; animation:fadeUp .7s .72s forwards; }
.btn { display:inline-flex; align-items:center; gap:.55rem; padding:.85rem 2rem; border-radius:3px; font-size:.88rem; font-weight:600; letter-spacing:.05em; text-decoration:none; transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s; }
.btn-primary { background:var(--accent); color:#0f0f0f; border:2px solid var(--accent); }
.btn-primary:hover { background:var(--accent2); border-color:var(--accent2); transform:translateY(-2px); box-shadow:0 8px 24px rgba(200,136,42,.35); }
.btn-outline { background:transparent; color:var(--text); border:2px solid var(--border); }
.btn-outline:hover { border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }
.scroll-hint { position:absolute; bottom:2.2rem; left:50%; transform:translateX(-50%); display:flex; flex-direction:column; align-items:center; gap:.4rem; color:var(--muted); font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; opacity:0; animation:fadeUp .7s 1s forwards; transition: opacity 0.4s; }
.scroll-hint svg { opacity:0.7; animation:bounce 1.6s infinite; }

/* SECTION BASE */
section { padding:6rem 5vw; }
.section-label { font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--accent); margin-bottom:.8rem; }
.section-title { font-family:'Rubik Mono One',monospace; font-size:clamp(1.8rem,5vw,2.8rem); line-height:1.1; color:var(--text); margin-bottom:1rem; }
.section-desc { color:var(--muted); max-width:520px; font-size:.95rem; }
.divider { width:48px; height:3px; background:var(--accent); margin:1.4rem 0 2.8rem; border-radius:2px; }

/* BANNER VIDEOS */
#banner-trabajo { padding:4rem 5vw; background:var(--surface); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.banner-title-block { text-align:center; margin-bottom:2.5rem; }
.banner-title-block .banner-eyebrow { font-family:'Rubik Mono One',monospace; font-size:clamp(1.3rem,3.5vw,2rem); letter-spacing:.06em; color:var(--text); display:block; }
.banner-title-block p { color:var(--muted); margin-top:.6rem; font-size:.9rem; letter-spacing:.04em; }
.videos-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,340px)); gap:1.2rem; max-width:760px; margin:0 auto; justify-content:center; }
.video-wrap { border-radius:4px; overflow:hidden; border:1px solid var(--border); background:#000; }
.video-wrap video { width:100%; height:auto; object-fit:contain; display:block; max-height:70vh; }

/* SERVICIOS */
#servicios { background:var(--bg); }
#servicios .inner { max-width:1100px; margin:0 auto; }
.services-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1.5rem; }
.service-card { background:var(--surface); border:1px solid var(--border); border-radius:4px; padding:2.2rem 1.8rem; position:relative; overflow:hidden; transition:transform .3s,border-color .3s,box-shadow .3s; text-decoration:none; color:inherit; display:block; }
.service-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,var(--accent),var(--accent2)); opacity:0; transition:opacity .3s; }
.service-card:hover { transform:translateY(-5px); border-color:var(--accent); box-shadow:0 16px 40px rgba(0,0,0,.5); }
.service-card:hover::before { opacity:1; }
.service-icon { width:52px; height:52px; background:rgba(200,136,42,.12); border-radius:3px; display:flex; align-items:center; justify-content:center; margin-bottom:1.4rem; }
.service-icon svg { width:26px; height:26px; stroke:var(--accent); fill:none; }
.service-card h3 { font-family:'Rubik Mono One',monospace; font-size:.93rem; letter-spacing:.06em; margin-bottom:.7rem; color:var(--text); }
.service-card p { font-size:.87rem; color:var(--muted); line-height:1.7; }
.service-card-link { margin-top:.9rem; font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; color:var(--accent2); display:inline-block; }

/* POR QUÉ TARKER */
#por-que { background:var(--surface); }
#por-que .inner { max-width:1100px; margin:0 auto; display:grid; grid-template-columns:1fr 1fr; gap:5rem; align-items:center; }
.about-img-wrap { position:relative; }
.about-img-wrap img { width:100%; aspect-ratio:4/3; object-fit:cover; object-position:center; border-radius:4px; filter:brightness(.85) saturate(.8); display:block; }
.about-img-wrap::after { content:''; position:absolute; bottom:-12px; right:-12px; width:60%; height:60%; border:2px solid var(--accent); border-radius:4px; z-index:-1; }
.por-que-list { list-style:none; display:grid; gap:1rem; margin-top:.4rem; }
.por-que-list li { padding-left:1.4rem; position:relative; font-size:.95rem; color:var(--text); }
.por-que-list li::before { content:''; position:absolute; left:0; top:.55rem; width:8px; height:8px; background:var(--accent); border-radius:50%; }
.por-que-list li strong { color:var(--text); font-weight:600; display:block; margin-bottom:.15rem; }
.por-que-list li span { color:var(--muted); font-size:.88rem; }

/* ZONA */
#zona { background:var(--bg); }
#zona .inner { max-width:1100px; margin:0 auto; }
.zona-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:1rem; margin-top:1rem; }
.zona-card { padding:1.2rem 1.4rem; border:1px solid var(--border); background:var(--surface); border-radius:4px; }
.zona-card strong { display:block; color:var(--text); font-size:.95rem; margin-bottom:.3rem; }
.zona-card span { color:var(--muted); font-size:.85rem; }

/* CONTACTO */
#contacto { background:var(--surface); }
#contacto .inner { max-width:800px; margin:0 auto; text-align:center; }
#contacto .section-desc { margin:0 auto; max-width:500px; }
#contacto .divider { margin:1.4rem auto 2rem; }
.presupuesto-tag { display:inline-flex; align-items:center; gap:.5rem; background:rgba(200,136,42,.12); border:1px solid var(--accent); color:var(--accent2); font-size:.75rem; letter-spacing:.1em; text-transform:uppercase; padding:.65rem 1.1rem; border-radius:3px; margin-bottom:2rem; }
.presupuesto-tag svg { width:14px; height:14px; stroke:var(--accent2); fill:none; }
.contact-cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:1.2rem; }
.contact-card { background:var(--bg); border:1px solid var(--border); border-radius:4px; padding:2rem 1.4rem; text-decoration:none; color:var(--text); transition:border-color .25s,transform .25s; display:flex; flex-direction:column; gap:.9rem; align-items:center; justify-content:center; }
.contact-card:hover { border-color:var(--accent); transform:translateY(-4px); }
.contact-card svg { width:28px; height:28px; stroke:var(--accent); fill:none; }
.contact-card span { font-size:.8rem; color:var(--muted); letter-spacing:.06em; text-transform:uppercase; }
.contact-card strong { font-size:.88rem; word-break:break-all; }
.address-block { margin-top:2rem; padding:1.4rem 1.8rem; border:1px solid var(--border); border-radius:4px; background:var(--bg); display:inline-flex; align-items:center; gap:1rem; font-size:.85rem; color:var(--muted); }
.address-block svg { stroke:var(--accent); fill:none; flex-shrink:0; }

footer { background:var(--bg); border-top:1px solid var(--border); padding:2rem 5vw; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:1rem; }
footer p { font-size:.78rem; color:var(--muted); }

/* SERVICE PAGE (inner pages) */
.page-hero { padding:9rem 5vw 4rem; text-align:center; border-bottom:1px solid var(--border); }
.page-hero h1 { font-family:'Rubik Mono One',monospace; font-size:clamp(2rem,5vw,3rem); letter-spacing:.04em; line-height:1.15; color:var(--text); margin-bottom:1rem; }
.page-hero p.lead { color:var(--muted); max-width:640px; margin:0 auto; font-size:1rem; }
.breadcrumbs { font-size:.78rem; letter-spacing:.06em; color:var(--muted); margin-bottom:1.6rem; }
.breadcrumbs a { color:var(--accent2); text-decoration:none; }
.breadcrumbs a:hover { text-decoration:underline; }
.breadcrumbs span[aria-current="page"] { color:var(--text); }
.page-content { max-width:860px; margin:0 auto; padding:4rem 5vw; }
.page-content h2 { font-family:'Rubik Mono One',monospace; font-size:1.4rem; letter-spacing:.04em; color:var(--text); margin:2.5rem 0 .9rem; }
.page-content h3 { font-size:1.05rem; font-weight:600; color:var(--text); margin:1.6rem 0 .5rem; }
.page-content p { color:var(--muted); margin-bottom:1rem; font-size:.95rem; line-height:1.75; }
.page-content ul { list-style:none; display:grid; gap:.6rem; margin:.4rem 0 1.4rem; }
.page-content ul li { padding-left:1.4rem; position:relative; color:var(--text); font-size:.93rem; }
.page-content ul li::before { content:'✓'; position:absolute; left:0; color:var(--accent); font-weight:700; }
.page-cta { background:var(--surface); border:1px solid var(--border); border-radius:4px; padding:2rem; text-align:center; margin-top:2.5rem; }
.page-cta h2 { margin-top:0; font-size:1.2rem; }
.page-cta p { margin-bottom:1.4rem; }

@keyframes fadeUp { from{opacity:0;transform:translateY(22px)} to{opacity:1;transform:translateY(0)} }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }
.reveal { opacity:0; transform:translateY(28px); transition:opacity .65s ease,transform .65s; }
.reveal.visible { opacity:1; transform:translateY(0); }

@media (max-width:768px) {
  nav { padding:.6rem 5vw; }
  nav ul { position:absolute; top:100%; left:0; right:0; background:rgba(15,15,15,.98); border-bottom:1px solid var(--border); flex-direction:column; gap:0; padding:1rem 5vw; display:none; }
  nav ul.active { display:flex; }
  nav ul li { padding:.7rem 0; border-bottom:1px solid var(--border); }
  nav ul li:last-child { border-bottom:0; }
  .hamburger { display:inline-block; }
  #por-que .inner { grid-template-columns:1fr; gap:2.5rem; }
  .about-img-wrap::after { display:none; }
  .videos-grid { grid-template-columns:1fr; }
  section { padding:4rem 5vw; }
  .page-hero { padding:7rem 5vw 3rem; }
}