/* ============================================================
   MASTECNO — sistema de diseño
   Azul de marca (#0067A0) + tinta profunda + ocre de campo
   Space Grotesk (display) / IBM Plex Sans (cuerpo) / IBM Plex Mono (datos)
   ============================================================ */

:root {
  --blue-deep: #0067A0;
  --blue-bright: #29A8E0;
  --blue-ink: #0A2B3D;
  --ochre: #C97A2B;
  --ochre-light: #E5A559;
  --paper: #F5F7F8;
  --paper-dim: #EAEFF1;
  --line: #D8E1E6;
  --white: #FFFFFF;
  --text: #17313F;
  --text-mute: #4E6472;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
  --radius: 6px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--blue-ink);
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 600; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.3rem; font-weight: 600; }

p { margin: 0 0 1em; color: var(--text-mute); max-width: 62ch; }

a { color: var(--blue-deep); text-decoration: none; }
a:hover { color: var(--blue-bright); }

img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

section { padding: 88px 0; }
@media (max-width: 720px) { section { padding: 56px 0; } }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--ochre);
  outline-offset: 2px;
}

/* ---------- coordinate eyebrow (structural device) ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--blue-deep);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ochre);
  flex: none;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 26px;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue-deep); color: var(--white); }
.btn-primary:hover { background: var(--blue-bright); color: var(--white); }
.btn-ochre { background: var(--ochre); color: var(--white); }
.btn-ochre:hover { background: var(--ochre-light); color: var(--white); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--blue-ink); }
.btn-ghost:hover { border-color: var(--blue-deep); color: var(--blue-deep); }
.btn-ghost-light { background: transparent; border-color: rgba(255,255,255,0.35); color: var(--white); }
.btn-ghost-light:hover { border-color: var(--white); color: var(--white); }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 247, 248, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--blue-ink);
}
.brand img { width: 36px; height: 36px; }

.main-nav { display: flex; align-items: center; gap: 30px; flex-wrap: nowrap; }
.main-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  margin-right: 30px;
  white-space: nowrap;
}
.main-nav a:last-of-type { margin-right: 0; }
.main-nav a.active, .main-nav a:hover { color: var(--blue-deep); }
.main-nav .btn { margin-left: 6px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blue-ink);
  margin: 5px 0;
  transition: 0.2s;
}

@media (max-width: 1180px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .main-nav.open { max-height: 420px; }
  .main-nav a, .main-nav .btn { width: 100%; padding: 16px 28px; margin: 0; border-radius: 0; box-sizing: border-box; white-space: normal; }
  .main-nav a { border-bottom: 1px solid var(--line); }
  .main-nav .btn-primary { justify-content: center; border-bottom: 1px solid var(--line); }
}

/* ---------- hero ---------- */
.hero {
  background: var(--blue-ink);
  color: var(--white);
  padding: 76px 0 0;
  overflow: hidden;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
}
.hero h1 { color: var(--white); }
.hero .eyebrow { color: var(--blue-bright); }
.hero .eyebrow::before { background: var(--ochre); }
.hero p.lead {
  color: #C9D8E0;
  font-size: 1.12rem;
  max-width: 46ch;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-map-wrap { position: relative; padding-bottom: 30px; }

/* ---------- Uruguay signal map (signature element) ---------- */
.uy-map { width: 100%; height: auto; }
.uy-outline {
  fill: rgba(41, 168, 224, 0.08);
  stroke: var(--blue-bright);
  stroke-width: 1.4;
}
.uy-route {
  fill: none;
  stroke: var(--blue-bright);
  stroke-width: 1.4;
  stroke-dasharray: 4 5;
  opacity: 0.85;
}
.uy-node circle { fill: var(--blue-ink); stroke: var(--blue-bright); stroke-width: 1.4; }
.uy-node.origin circle { fill: var(--ochre); stroke: var(--ochre-light); }
.uy-node.origin .pulse {
  fill: none;
  stroke: var(--ochre);
  stroke-width: 1.5;
  opacity: 0.7;
  transform-origin: center;
  animation: pulse 2.6s ease-out infinite;
}
.uy-label {
  font-family: var(--font-mono);
  font-size: 8.5px;
  fill: #A9C2CE;
  letter-spacing: 0.02em;
}
.uy-label.origin-label { fill: var(--ochre-light); font-weight: 600; }

@keyframes pulse {
  0% { r: 6; opacity: 0.9; }
  100% { r: 20; opacity: 0; }
}

.uy-route { stroke-dashoffset: 200; animation: draw 2.4s ease forwards 0.3s; }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ---------- trust strip ---------- */
.trust-strip {
  background: var(--paper-dim);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.trust-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  align-items: center;
  justify-content: center;
}
.trust-item {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-mute);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 26px;
}
.trust-item::before { content: "—"; color: var(--ochre); }

/* ---------- service cards ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 46px;
}
@media (max-width: 980px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--white);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.15s ease;
}
.service-card:hover { background: var(--paper); }
.service-card .icon {
  width: 44px; height: 44px;
  color: var(--blue-deep);
}
.service-card h3 { margin-bottom: 2px; }
.service-card p { font-size: 0.94rem; margin-bottom: 4px; }
.service-card .card-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--blue-deep);
  margin-top: auto;
}
.service-card .card-link::after { content: " →"; }

/* ---------- section headers ---------- */
.section-head { max-width: 640px; margin-bottom: 20px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- two column ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.split.reverse .split-media { order: 2; }

.split-media {
  background: var(--paper-dim);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
}

/* ---------- spec list (mono data) ---------- */
.spec-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.94rem;
}
.spec-list li span:first-child { color: var(--text); font-weight: 500; }
.spec-list li span:last-child { font-family: var(--font-mono); color: var(--text-mute); font-size: 0.86rem; text-align: right; }

/* ---------- checklist ---------- */
.check-list { list-style: none; margin: 20px 0; padding: 0; display: grid; gap: 12px; }
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text);
  font-size: 0.97rem;
}
.check-list li::before {
  content: "";
  flex: none;
  width: 16px; height: 16px;
  margin-top: 3px;
  border-radius: 3px;
  background: var(--blue-deep);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23fff' d='M13.5 4.5 6.6 11.4 3 7.8l1.1-1.1 2.5 2.5 5.8-5.8z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23fff' d='M13.5 4.5 6.6 11.4 3 7.8l1.1-1.1 2.5 2.5 5.8-5.8z'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ---------- process steps ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 40px; }
@media (max-width: 860px) { .process { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .process { grid-template-columns: 1fr; } }
.process-step { border-left: 2px solid var(--blue-deep); padding-left: 16px; }
.process-step .coord { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ochre); display: block; margin-bottom: 6px; }

/* ---------- coverage band ---------- */
.coverage {
  background: var(--blue-ink);
  color: var(--white);
}
.coverage h2 { color: var(--white); }
.coverage p { color: #C9D8E0; }
.coverage-towns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
}
.coverage-towns span {
  border: 1px solid rgba(255,255,255,0.25);
  padding: 6px 12px;
  border-radius: 100px;
  color: #C9D8E0;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ochre);
  color: var(--white);
  text-align: center;
}
.cta-band h2 { color: var(--white); }
.cta-band p { color: rgba(255,255,255,0.9); margin-left: auto; margin-right: auto; }
.cta-band .hero-cta { justify-content: center; }
.cta-band .btn-primary { background: var(--blue-ink); }
.cta-band .btn-primary:hover { background: var(--blue-deep); }
.cta-band .btn-ghost-light:hover { color: var(--white); }

/* ---------- page hero (interior pages) ---------- */
.page-hero {
  background: var(--blue-ink);
  color: var(--white);
  padding: 64px 0 60px;
}
.page-hero h1 { color: var(--white); max-width: 20ch; }
.page-hero p.lead { color: #C9D8E0; font-size: 1.08rem; max-width: 58ch; }
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #9FB6C2;
  margin-bottom: 18px;
}
.breadcrumb a { color: #9FB6C2; }
.breadcrumb a:hover { color: var(--blue-bright); }

/* ---------- brand marquee (cámaras) ---------- */
.brand-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}
.brand-chip {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 8px 16px;
  border-radius: 100px;
  color: var(--text);
}

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); padding: 22px 0; }
.faq-item summary {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--blue-ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--ochre);
  flex: none;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 14px; }

/* ---------- team / about blocks ---------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 40px; }
@media (max-width: 780px) { .value-grid { grid-template-columns: 1fr; } }
.value-card .coord { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ochre); display: block; margin-bottom: 10px; }

/* ---------- contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: start;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
}
.contact-line {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.contact-line:last-child { border-bottom: none; }
.contact-line .label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-mute);
  text-transform: uppercase;
  width: 90px;
  flex: none;
  padding-top: 3px;
}
.contact-line .value { font-family: var(--font-display); font-weight: 600; color: var(--blue-ink); }

form.contact-form { display: grid; gap: 18px; }
.contact-form label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 6px;
}
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  border: 1.5px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--text);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  border-color: var(--blue-deep);
  outline: none;
}
.contact-form textarea { min-height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }
.form-note { font-size: 0.84rem; color: var(--text-mute); }

/* ---------- map embed frame ---------- */
.map-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  height: 320px;
  margin-top: 10px;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---------- footer ---------- */
.site-footer {
  background: var(--blue-ink);
  color: #C9D8E0;
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; color: var(--white); margin-bottom: 14px; }
.footer-brand img { width: 32px; height: 32px; }
.site-footer h4 {
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: #C9D8E0; font-size: 0.92rem; }
.site-footer a:hover { color: var(--blue-bright); }
.footer-bottom {
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #7E97A3;
}

/* ---------- utility ---------- */
.mt-0 { margin-top: 0; }
.center-text { text-align: center; margin-left: auto; margin-right: auto; }