/* ============================================
   CALIBRACIÓN DE INSTRUMENTOS — Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700;800&family=Barlow+Condensed:wght@600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
  --rojo:      #E8473F;
  --rojo-dark: #C43530;
  --negro:     #1A1A1A;
  --gris-osc:  #3D3D3D;
  --gris-med:  #6B7280;
  --gris-cla:  #F4F4F4;
  --borde:     #E5E7EB;
  --blanco:    #FFFFFF;
  --font-head: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
  --shadow:    0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.13);
  --radius:    6px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--blanco);
  color: var(--negro);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── TOPBAR ── */
.topbar {
  background: var(--negro);
  color: #ccc;
  font-size: 0.78rem;
  padding: 6px 0;
  letter-spacing: 0.02em;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}
.topbar a { color: #ccc; transition: color var(--transition); }
.topbar a:hover { color: var(--rojo); }
.topbar-items { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }

/* ── HEADER / NAV ── */
header {
  background: var(--blanco);
  border-bottom: 3px solid var(--rojo);
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo img {
  height: 48px;
  width: auto;
}
nav { display: flex; align-items: center; gap: 4px; }
nav a {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--gris-osc);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
nav a:hover, nav a.active {
  background: var(--rojo);
  color: var(--blanco);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--negro);
  transition: all 0.3s;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--blanco);
  border-top: 1px solid var(--borde);
  padding: 16px 24px;
  gap: 4px;
}
.nav-mobile a {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: var(--gris-osc);
  transition: background var(--transition), color var(--transition);
  display: block;
}
.nav-mobile a:hover { background: var(--rojo); color: var(--blanco); }
.nav-mobile.open { display: flex; }

/* ── HERO ── */
.hero {
  background: var(--negro);
  color: var(--blanco);
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -55deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,0.015) 40px,
    rgba(255,255,255,0.015) 41px
  );
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,71,63,0.15);
  border: 1px solid rgba(232,71,63,0.4);
  color: var(--rojo);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.hero h1 span { color: var(--rojo); }
.hero p {
  font-size: 1.1rem;
  color: #aaa;
  max-width: 600px;
  margin-bottom: 36px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--rojo);
  color: var(--blanco);
  border-color: var(--rojo);
}
.btn-primary:hover {
  background: var(--rojo-dark);
  border-color: var(--rojo-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,71,63,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--blanco);
  border-color: rgba(255,255,255,0.3);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.6);
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}
.stat-num {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--rojo);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888;
  margin-top: 4px;
}

/* ── CERT STRIP ── */
.cert-strip {
  background: var(--gris-cla);
  border-bottom: 1px solid var(--borde);
  padding: 18px 24px;
}
.cert-strip-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.cert-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gris-osc);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.cert-item svg { color: var(--rojo); flex-shrink: 0; }

/* ── SECTIONS ── */
section { padding: 80px 24px; }
section.alt-bg { background: var(--gris-cla); }

.section-inner { max-width: 1200px; margin: 0 auto; }

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--rojo);
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--negro);
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--gris-med);
  max-width: 600px;
  margin-bottom: 48px;
}

/* ── SERVICES GRID ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--rojo);
}
.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(232,71,63,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--rojo);
}
.service-card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.service-card p { font-size: 0.9rem; color: var(--gris-med); line-height: 1.6; }

/* ── MAGNITUDES GRID ── */
.magnitudes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.mag-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}
.mag-card:hover {
  border-color: var(--rojo);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.mag-card .mag-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}
.mag-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--negro);
  margin-bottom: 6px;
}
.mag-card p { font-size: 0.78rem; color: var(--gris-med); }
.mag-card .mag-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--rojo);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.mag-card:hover .mag-link { border-color: var(--rojo); }

/* ── NOSOTROS ── */
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.nosotros-text p {
  color: var(--gris-med);
  margin-bottom: 18px;
  line-height: 1.75;
  font-size: 0.95rem;
}
.nosotros-text strong { color: var(--negro); }
.cert-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.cert-badge {
  background: var(--negro);
  color: var(--blanco);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 18px;
  border-radius: var(--radius);
}
.cert-badge.red { background: var(--rojo); }
.nosotros-features { display: flex; flex-direction: column; gap: 20px; }
.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--gris-cla);
  border-radius: var(--radius);
  border-left: 3px solid var(--rojo);
}
.feature-item svg { color: var(--rojo); flex-shrink: 0; margin-top: 2px; }
.feature-item h4 {
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.feature-item p { font-size: 0.85rem; color: var(--gris-med); }

/* ── CLIENTES ── */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 10fr));
  gap: 16px;
}
.client-item {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radius);
  padding: 0px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
  filter: grayscale(1);
  opacity: 0.65;
  transition: all var(--transition);
}
.client-item:hover { filter: grayscale(0); opacity: 1; box-shadow: var(--shadow); }
.client-item img { max-height: 100%; max-width: 100%; object-fit: contain; }

/* Client placeholder */
.client-placeholder {
  background: var(--gris-cla);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 40px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gris-med);
}

/* ── UBICACION ── */
.ubicacion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  border: 1px solid var(--borde);
  border-radius: var(--radius);
  background: var(--blanco);
  transition: border-color var(--transition);
}
.contact-item:hover { border-color: var(--rojo); }
.contact-item svg { color: var(--rojo); flex-shrink: 0; margin-top: 2px; }
.contact-item .ci-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gris-med);
  margin-bottom: 4px;
}
.contact-item .ci-value {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--negro);
}
.contact-item a { color: var(--negro); }
.contact-item a:hover { color: var(--rojo); }
.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--borde);
}
.map-embed iframe {
  width: 100%;
  height: 380px;
  border: none;
  display: block;
}

/* ── FOOTER ── */
footer {
  background: var(--negro);
  color: #999;
  padding: 56px 24px 32px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand img { height: 42px; width: auto; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; max-width: 280px; }
footer h4 {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blanco);
  margin-bottom: 16px;
}
footer ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
footer ul li a {
  font-size: 0.85rem;
  color: #888;
  transition: color var(--transition);
}
footer ul li a:hover { color: var(--rojo); }
.footer-bottom {
  border-top: 1px solid #2a2a2a;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
}
.footer-bottom a { color: #888; }
.footer-bottom a:hover { color: var(--rojo); }

/* ── FLOATING BUTTONS ── */
.floating-btns {
  position: fixed;
  right: 20px;
  bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}
.fab {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  position: relative;
}
.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(0,0,0,0.28);
}
.fab-wa  { background: #25D366; color: #fff; }
.fab-tel { background: var(--rojo); color: #fff; }
.fab-map { background: #1A73E8; color: #fff; }
.fab svg { width: 22px; height: 22px; }
.fab-tooltip {
  position: absolute;
  right: 62px;
  background: var(--negro);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.fab:hover .fab-tooltip { opacity: 1; }

/* ── BREADCRUMB ── */
.breadcrumb {
  background: var(--gris-cla);
  border-bottom: 1px solid var(--borde);
  padding: 12px 24px;
}
.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--gris-med);
}
.breadcrumb a { color: var(--gris-med); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--rojo); }
.breadcrumb span { color: var(--negro); font-weight: 600; }

/* ── MAG PAGE ── */
.mag-hero {
  background: var(--negro);
  padding: 56px 24px;
  color: var(--blanco);
}
.mag-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.mag-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.mag-hero h1 span { color: var(--rojo); }
.mag-hero p { color: #aaa; max-width: 600px; font-size: 1rem; }

.instruments-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.instrument-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
}
.instrument-card:hover {
  border-color: var(--rojo);
  box-shadow: var(--shadow);
}
.instrument-card h4 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  color: var(--negro);
}
.instrument-card p { font-size: 0.85rem; color: var(--gris-med); line-height: 1.6; }
.instrument-card .tag {
  display: inline-block;
  margin-top: 12px;
  background: rgba(232,71,63,0.08);
  color: var(--rojo);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 3px 10px;
  border-radius: 20px;
}

.cta-section {
  background: var(--rojo);
  color: var(--blanco);
  padding: 64px 24px;
  text-align: center;
}
.cta-section h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.cta-section p { opacity: 0.85; margin-bottom: 28px; font-size: 1rem; }
.btn-white {
  background: var(--blanco);
  color: var(--rojo);
  border-color: var(--blanco);
}
.btn-white:hover {
  background: var(--negro);
  color: var(--blanco);
  border-color: var(--negro);
  transform: translateY(-2px);
}

/* ── PAGE HEADER (internas) ── */
.page-header {
  background: linear-gradient(135deg, var(--negro) 0%, #2d2d2d 100%);
  color: var(--blanco);
  padding: 56px 24px;
  text-align: center;
}
.page-header h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}
.page-header h1 span { color: var(--rojo); }
.page-header p { color: #aaa; font-size: 1rem; }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  nav { display: none; }
  .nav-toggle { display: flex; }
  .nosotros-grid,
  .ubicacion-grid,
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 600px) {
  section { padding: 56px 20px; }
  .hero { padding: 56px 20px; }
  .hero-stats { gap: 28px; }
  .services-grid { grid-template-columns: 1fr; }
  .magnitudes-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .fab { width: 46px; height: 46px; }
}