:root {
  --ink: #0a0a0a;
  --ink-2: #111;
  --paper: #f5f5f4;
  --accent: #d4f43c;
  --wa: #25d366;
  --muted: rgba(255,255,255,0.65);
  --line: rgba(255,255,255,0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--ink); color: var(--paper);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3 { font-family: "Archivo Black", sans-serif; font-weight: 900; letter-spacing: -0.02em; line-height: 0.98; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ============ TOP BAR ============ */
.topbar { position: sticky; top: 0; z-index: 50; background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 16px; flex-wrap: nowrap; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-name { font-family: "Archivo Black", sans-serif; font-size: 20px; letter-spacing: 0.04em;
  font-style: italic; color: #fff; }
.brand-tag { font-size: 10px; letter-spacing: 0.18em; color: var(--accent);
  text-transform: uppercase; font-weight: 700; }
.nav { display: flex; gap: 28px; font-size: 14px; color: rgba(255,255,255,0.7); }
.nav a:hover { color: var(--accent); }
.topbar-cta { background: var(--accent); color: var(--ink); padding: 11px 20px;
  border-radius: 999px; font-size: 13px; font-weight: 700; display: inline-flex;
  align-items: center; gap: 8px; white-space: nowrap; flex-shrink: 0; }

/* ============ HERO ============ */
.hero { position: relative; padding: 120px 0 100px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.95) 100%),
              url("../assets/jarmen-gruas-fondo.png") center/cover; }
.hero-content { position: relative; z-index: 1; }
.pill { display: inline-flex; align-items: center; gap: 10px; padding: 8px 14px;
  border-radius: 999px; border: 1px solid rgba(212,244,60,0.3); background: rgba(212,244,60,0.06);
  font-size: 12px; color: var(--accent); letter-spacing: 0.14em; text-transform: uppercase;
  font-weight: 600; margin-bottom: 28px; }
.dot { width: 6px; height: 6px; border-radius: 999px; background: var(--accent);
  box-shadow: 0 0 10px var(--accent); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.4; } }
h1.hero-title { font-size: clamp(48px, 7vw, 88px); margin-bottom: 24px; max-width: 900px; }
h1.hero-title em { color: var(--accent); font-style: italic; }
.hero-lede { font-size: clamp(16px, 1.4vw, 19px); line-height: 1.55; color: var(--muted);
  max-width: 580px; margin-bottom: 40px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { padding: 18px 28px; border-radius: 12px; font-size: 15px; font-weight: 700;
  display: inline-flex; align-items: center; gap: 12px; transition: transform 0.15s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: var(--ink); }
.btn-wa { background: var(--wa); color: #fff; }
.btn-ghost { border: 1.5px solid rgba(255,255,255,0.2); color: #fff; }

.trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  margin-top: 72px; padding-top: 32px; border-top: 1px solid var(--line); }
.trust-num { font-family: "Archivo Black", sans-serif; font-size: 36px; line-height: 1; }
.trust-num.accent { color: var(--accent); }
.trust-lbl { font-size: 11px; color: rgba(255,255,255,0.55); letter-spacing: 0.12em;
  text-transform: uppercase; margin-top: 6px; }

/* ============ SECTION ============ */
section.s { padding: 100px 0; position: relative; }
.s-head { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px;
  align-items: end; margin-bottom: 56px; }
.s-eyebrow { font-size: 11px; letter-spacing: 0.18em; color: var(--accent);
  text-transform: uppercase; font-weight: 700; margin-bottom: 12px; }
h2.s-title { font-size: clamp(36px, 4.5vw, 56px); }
.s-lede { font-size: 17px; line-height: 1.55; color: var(--muted); max-width: 480px; }

/* services */
.services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; }
.svc { padding: 16px 0; display: flex; align-items: center; gap: 18px;
  border-bottom: 1px solid var(--line); }
.svc-num { font-family: "Archivo Black", sans-serif; font-size: 28px;
  color: var(--accent); min-width: 48px; line-height: 1; }
.svc h3 { font-size: 18px; line-height: 1.2; }

/* gallery / carousel */
section.gallery { background: var(--ink-2); }
.carousel-wrap { position: relative; }
.carousel-track-outer { overflow: hidden; border-radius: 8px; }
.carousel-track { display: flex; gap: 12px; transition: transform 0.42s cubic-bezier(0.4,0,0.2,1); will-change: transform; }
.work { flex: 0 0 calc((100% - 24px) / 3); aspect-ratio: 4/3; background: #000;
  overflow: hidden; position: relative; border-radius: 4px; }
.work img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.work:hover img { transform: scale(1.04); }
.work-tag { position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.85), transparent);
  padding: 36px 16px 14px; font-size: 13px; font-weight: 600; color: #fff; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,0.2);
  background: rgba(10,10,10,0.7); backdrop-filter: blur(8px); color: #fff;
  font-size: 18px; cursor: pointer; display: flex; align-items: center; justify-content: center;
  z-index: 2; transition: background 0.2s, border-color 0.2s; }
.carousel-btn:hover { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.carousel-btn.prev { left: -22px; }
.carousel-btn.next { right: -22px; }
.carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 24px; }
.carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.2);
  cursor: pointer; transition: background 0.2s, transform 0.2s; border: none; padding: 0; }
.carousel-dot.active { background: var(--accent); transform: scale(1.25); }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { padding-top: 24px; border-top: 2px solid rgba(255,255,255,0.1);
  position: relative; }
.step:first-child { border-top-color: var(--accent); }
.step-num { font-family: "JetBrains Mono", "Inter", monospace;
  font-size: 13px; color: rgba(255,255,255,0.4); margin-bottom: 18px; font-weight: 600; }
.step:first-child .step-num { color: var(--accent); }
.step h3 { font-size: 21px; margin-bottom: 10px; font-family: "Inter", sans-serif;
  font-weight: 700; letter-spacing: -0.01em; }
.step p { font-size: 14px; color: var(--muted); line-height: 1.55; }

/* coverage */
section.coverage { background: var(--ink-2);
  background-image: linear-gradient(180deg, rgba(17,17,17,0.6), #111), url(../assets/fondo-mapa.jpg);
  background-size: cover; background-position: center; }
.cov-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.zonas { display: flex; flex-wrap: wrap; gap: 10px; }
.zona { padding: 13px 22px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18); background: rgba(255,255,255,0.03);
  font-size: 14px; font-weight: 500; }

/* faq */
.faq { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; }
.faq-item { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; }
.faq-q { width: 100%; background: none; border: none; color: #fff; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-family: inherit; font-size: 18px; font-weight: 600; letter-spacing: -0.01em;
  text-align: left; padding: 0; }
.faq-icon { width: 28px; height: 28px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.2); display: flex; align-items: center;
  justify-content: center; font-size: 16px; flex-shrink: 0; transition: all 0.2s; }
details[open] .faq-icon { border-color: var(--accent); color: var(--accent); }
.faq-icon::before { content: "+"; }
details[open] .faq-icon::before { content: "–"; }
.faq-a { margin-top: 14px; font-size: 15px; line-height: 1.65;
  color: rgba(255,255,255,0.65); max-width: 600px; }
details summary { list-style: none; }
details summary::-webkit-details-marker { display: none; }

/* cta */
section.cta-final { background: var(--accent); color: var(--ink); }
.cta-final-row { display: flex; justify-content: space-between; align-items: center;
  gap: 32px; flex-wrap: wrap; }
h2.cta-title { font-size: clamp(36px, 5vw, 60px); color: var(--ink); }
.cta-final p { font-size: 17px; color: rgba(10,10,10,0.7); margin-top: 16px; max-width: 540px; }
.cta-final-buttons { display: flex; flex-direction: column; gap: 12px; }
.btn-dark { background: var(--ink); color: var(--accent); padding: 22px 32px;
  border-radius: 12px; font-family: "Archivo Black", sans-serif; font-size: 22px;
  font-weight: 900; display: inline-flex; align-items: center; gap: 14px; }
.btn-outline-dark { border: 2px solid var(--ink); color: var(--ink);
  padding: 14px 32px; border-radius: 12px; font-size: 14px; font-weight: 700;
  text-align: center; }

footer { background: #000; padding: 40px 0; border-top: 1px solid var(--line); }
.foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.foot-meta { font-size: 13px; color: rgba(255,255,255,0.4); }

/* sticky bottom CTA (mobile only) */
.mobile-cta { display: none; position: fixed; bottom: 12px; left: 12px; right: 12px;
  z-index: 40; gap: 8px; }
.mobile-cta a { flex: 1; padding: 14px; border-radius: 999px; font-weight: 800;
  font-size: 14px; text-align: center; display: flex; align-items: center;
  justify-content: center; gap: 8px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .container { padding: 0 20px; }
  .nav { display: none; }
  .hero { padding: 80px 0 60px; }
  .trust { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .s-head { grid-template-columns: 1fr; gap: 24px; }
  section.s { padding: 70px 0; }
  .services { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cov-grid { grid-template-columns: 1fr; }
  .faq { grid-template-columns: 1fr; gap: 32px; }
  .cta-final-row { flex-direction: column; align-items: flex-start; }
  .brand-tag { display: none; }
  .mobile-cta { display: flex; }
  body { padding-bottom: 80px; }
  .work { flex: 0 0 calc((100% - 12px) / 2); }
  .carousel-btn.prev { left: -16px; }
  .carousel-btn.next { right: -16px; }
}
@media (max-width: 540px) {
  .steps { grid-template-columns: 1fr; }
  h1.hero-title { font-size: 44px; }
  .btn { padding: 14px 20px; font-size: 14px; }
  .btn-dark { font-size: 18px; padding: 18px 24px; }
  .work { flex: 0 0 100%; }
  .carousel-btn.prev { left: 8px; }
  .carousel-btn.next { right: 8px; }
}