/* ============================================================
   EXTRACARGAS — styles.css
   Tema claro · Colores de marca: #e84931 (rojo) · #053e60 (azul)
   ============================================================ */

:root {
  --rojo:        #e84931;
  --rojo-oscuro: #c03520;
  --azul:        #053e60;
  --azul-claro:  #0a5a8a;
  --blanco:      #ffffff;
  --gris-fondo:  #f5f6f8;
  --gris-borde:  #e0e3e8;
  --gris-texto:  #5a6272;
  --negro-texto: #111827;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Barlow', sans-serif; background: var(--blanco); color: var(--negro-texto); overflow-x: hidden; }

/* ── NAVBAR ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
  box-shadow: 0 1px 12px rgba(0,0,0,.07);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 68px; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 36px; width: auto; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 600;
  font-size: .88rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--azul); text-decoration: none; transition: color .2s;
}
.nav-links a:hover { color: var(--rojo); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 26px; height: 2px; background: var(--azul); transition: transform .3s, opacity .3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu { display: none; flex-direction: column; background: var(--blanco); border-top: 1px solid var(--gris-borde); padding: 8px 24px 24px; }
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 600;
  font-size: 1.1rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--azul); text-decoration: none;
  padding: 14px 0; border-bottom: 1px solid var(--gris-borde); transition: color .2s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--rojo); }

/* ── HERO ── fondo azul, único bloque oscuro */
#inicio {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding: 100px 24px 72px;
  background: var(--azul);
}
#inicio::before {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(-55deg, transparent, transparent 40px, rgba(255,255,255,.03) 40px, rgba(255,255,255,.03) 42px);
  pointer-events: none;
}
#inicio::after {
  content: ''; position: absolute; top: 0; right: 0;
  width: 400px; height: 400px;
  background: radial-gradient(circle at top right, rgba(232,73,49,.28) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: flex; flex-direction: column; gap: 28px; position: relative; z-index: 1;
}
.hero-logo-hero { display: block; max-width: 360px; width: 100%; filter: brightness(0) invert(1); }
.hero-tag {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: 'Barlow Condensed', sans-serif; font-weight: 600;
  font-size: .76rem; letter-spacing: 3.5px; text-transform: uppercase; color: rgba(255,255,255,.6);
}
.hero-tag::before { content: ''; display: block; width: 28px; height: 2px; background: var(--rojo); }
.hero-title {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 900;
  font-size: clamp(2.8rem, 8vw, 6.5rem); line-height: .95;
  text-transform: uppercase; letter-spacing: -1px; color: var(--blanco);
}
.hero-title .acento { color: var(--rojo); }
.hero-sub { font-size: clamp(1rem, 2vw, 1.15rem); font-weight: 300; color: rgba(255,255,255,.75); max-width: 560px; line-height: 1.75; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; }

.hero-stats { display: flex; flex-wrap: wrap; gap: 40px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.15); }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num { font-family: 'Barlow Condensed', sans-serif; font-weight: 900; font-size: 2.4rem; line-height: 1; color: var(--blanco); }
.stat-num span { color: var(--rojo); }
.stat-label { font-size: .72rem; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,.5); }

/* ── BOTONES ── */
.btn-primary {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700;
  font-size: .92rem; letter-spacing: 2px; text-transform: uppercase;
  padding: 14px 36px; background: var(--rojo); color: var(--blanco);
  border: 2px solid var(--rojo); cursor: pointer; text-decoration: none;
  transition: background .2s, border-color .2s, transform .2s;
}
.btn-primary:hover { background: var(--rojo-oscuro); border-color: var(--rojo-oscuro); transform: translateY(-2px); }

.btn-ghost-blanco {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700;
  font-size: .92rem; letter-spacing: 2px; text-transform: uppercase;
  padding: 12px 36px; background: transparent; color: var(--blanco);
  border: 2px solid rgba(255,255,255,.4); cursor: pointer; text-decoration: none;
  transition: border-color .2s;
}
.btn-ghost-blanco:hover { border-color: var(--blanco); }

.btn-ghost-azul {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700;
  font-size: .92rem; letter-spacing: 2px; text-transform: uppercase;
  padding: 12px 36px; background: transparent; color: var(--azul);
  border: 2px solid var(--azul); cursor: pointer; text-decoration: none;
  transition: background .2s, color .2s;
}
.btn-ghost-azul:hover { background: var(--azul); color: var(--blanco); }

/* ── SECCIÓN BASE ── */
section { padding: 96px 24px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700;
  font-size: .72rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--rojo); margin-bottom: 14px;
}
.section-label::before { content: ''; display: block; width: 20px; height: 2px; background: var(--rojo); }
.section-title {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 900;
  font-size: clamp(2.2rem, 5vw, 3.6rem); text-transform: uppercase;
  line-height: 1; color: var(--azul); margin-bottom: 48px;
}

/* ── NOSOTROS ── fondo blanco */
#nosotros { background: var(--blanco); }
.nosotros-grid { display: flex; flex-wrap: wrap; gap: 64px; align-items: flex-start; }
.nosotros-text { flex: 1 1 340px; }
.nosotros-text p { font-size: 1rem; color: var(--gris-texto); line-height: 1.85; margin-bottom: 16px; }
.nosotros-text p strong { color: var(--negro-texto); font-weight: 600; }
.nosotros-values { flex: 1 1 280px; }
.value-item { display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--gris-borde); }
.value-item:first-child { border-top: 1px solid var(--gris-borde); }
.value-num { font-family: 'Barlow Condensed', sans-serif; font-weight: 900; font-size: 1rem; color: var(--rojo); min-width: 32px; padding-top: 2px; }
.value-body h4 { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 1rem; text-transform: uppercase; color: var(--azul); margin-bottom: 6px; }
.value-body p { font-size: .9rem; color: var(--gris-texto); line-height: 1.65; }

/* ── SERVICIOS ── fondo gris */
#servicios { background: var(--gris-fondo); }
.servicios-grid { display: flex; flex-wrap: wrap; gap: 20px; }
.servicio-card {
  flex: 1 1 280px; background: var(--blanco);
  border: 1px solid var(--gris-borde); border-top: 3px solid var(--azul);
  padding: 36px 28px; transition: box-shadow .3s, transform .3s, border-top-color .3s;
}
.servicio-card:hover { box-shadow: 0 8px 32px rgba(5,62,96,.1); transform: translateY(-4px); border-top-color: var(--rojo); }
.servicio-icon { font-size: 2.2rem; margin-bottom: 16px; display: block; }
.servicio-card h3 { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 1.2rem; text-transform: uppercase; color: var(--azul); margin-bottom: 10px; }
.servicio-card p { font-size: .9rem; color: var(--gris-texto); line-height: 1.7; }

/* ── NOA ── fondo azul oscuro */
#noa { background: var(--azul); padding: 96px 24px; }
#noa .section-label { color: rgba(255,255,255,.55); }
#noa .section-label::before { background: var(--rojo); }
#noa .section-title { color: var(--blanco); margin-bottom: 16px; }

.noa-subtitulo {
  font-size: 1.05rem; font-weight: 300; color: rgba(255,255,255,.7);
  max-width: 640px; line-height: 1.75; margin-bottom: 48px;
}

.noa-wrap { display: flex; flex-wrap: wrap; gap: 24px; margin-bottom: 40px; }

.noa-card {
  flex: 1 1 200px; background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12); border-top: 3px solid var(--rojo);
  padding: 28px 24px; transition: background .25s;
}
.noa-card:hover { background: rgba(255,255,255,.12); }
.noa-card h4 {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 900;
  font-size: 1.5rem; text-transform: uppercase; color: var(--blanco); margin-bottom: 8px;
}
.noa-card p { font-size: .85rem; color: rgba(255,255,255,.6); line-height: 1.6; }

.noa-extra {
  font-size: .95rem; font-weight: 300; color: rgba(255,255,255,.65);
  line-height: 1.8; max-width: 720px; margin-bottom: 28px;
}

/* ── COBERTURA ── fondo blanco */
#cobertura { background: var(--blanco); }
.cobertura-wrap { display: flex; flex-wrap: wrap; gap: 56px; align-items: flex-start; }
.cobertura-info { flex: 1 1 300px; }
.cobertura-info p { font-size: 1rem; color: var(--gris-texto); line-height: 1.85; margin-bottom: 24px; }
.cobertura-info p strong { color: var(--negro-texto); }
.province-list { flex: 1 1 300px; display: flex; flex-wrap: wrap; gap: 8px; }
.province-tag {
  background: var(--gris-fondo); border: 1px solid var(--gris-borde);
  padding: 7px 14px; font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600; font-size: .8rem; letter-spacing: 1px; text-transform: uppercase;
  color: var(--gris-texto); transition: background .2s, border-color .2s, color .2s;
}
.province-tag:hover { background: var(--azul); border-color: var(--azul); color: var(--blanco); }
.province-tag.noa { background: rgba(232,73,49,.07); border-color: rgba(232,73,49,.35); color: var(--rojo); font-weight: 700; }
.province-tag.noa:hover { background: var(--rojo); border-color: var(--rojo); color: var(--blanco); }

/* ── CLIENTES ── fondo gris */
#clientes { background: var(--gris-fondo); }
.clientes-intro { max-width: 560px; font-size: 1rem; color: var(--gris-texto); line-height: 1.8; margin-bottom: 48px; }
.clientes-grid { display: flex; flex-wrap: wrap; gap: 16px; }
.cliente-card {
  flex: 1 1 140px; background: var(--blanco); border: 1px solid var(--gris-borde);
  padding: 28px 20px; display: flex; align-items: center; justify-content: center;
  text-align: center; font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 1.05rem; letter-spacing: 1px; text-transform: uppercase;
  color: var(--azul); transition: box-shadow .25s, border-color .25s, color .25s;
}
.cliente-card:hover { border-color: var(--rojo); color: var(--rojo); box-shadow: 0 4px 16px rgba(232,73,49,.1); }

/* ── CONTACTO ── fondo blanco */
#contacto { background: var(--blanco); }
.contacto-wrap { display: flex; flex-wrap: wrap; gap: 64px; }
.contacto-info { flex: 1 1 280px; }
.contacto-info > p { font-size: 1rem; color: var(--gris-texto); line-height: 1.85; margin-bottom: 36px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.contact-icon { font-size: 1.2rem; min-width: 28px; margin-top: 2px; }
.contact-detail h4 { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: .72rem; letter-spacing: 2.5px; text-transform: uppercase; color: var(--rojo); margin-bottom: 4px; }
.contact-detail p, .contact-detail a { font-size: .95rem; color: var(--gris-texto); text-decoration: none; line-height: 1.55; }
.contact-detail a:hover { color: var(--rojo); }
.contacto-form { flex: 1 1 320px; }
.form-row { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 16px; }
.form-group { flex: 1 1 200px; display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: .72rem; letter-spacing: 2px; text-transform: uppercase; color: var(--azul); }
.form-group input, .form-group select, .form-group textarea {
  background: var(--gris-fondo); border: 1px solid var(--gris-borde);
  color: var(--negro-texto); padding: 13px 16px;
  font-family: 'Barlow', sans-serif; font-size: .95rem; outline: none; width: 100%;
  transition: border-color .2s, box-shadow .2s;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #b0b8c8; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--azul); box-shadow: 0 0 0 3px rgba(5,62,96,.08); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit { margin-top: 24px; }
.form-submit .btn-primary { width: 100%; text-align: center; }
.form-success { display: none; padding: 20px; background: rgba(5,62,96,.06); border: 1px solid var(--azul); color: var(--azul); font-size: .95rem; line-height: 1.65; text-align: center; margin-top: 16px; }

/* ── FOOTER ── */
footer { background: var(--azul); padding: 44px 24px; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.footer-logo img { height: 30px; width: auto; filter: brightness(0) invert(1); opacity: .85; }
.footer-copy { font-size: .8rem; color: rgba(255,255,255,.4); }
.footer-links { display: flex; gap: 24px; list-style: none; }
.footer-links a { font-family: 'Barlow Condensed', sans-serif; font-size: .8rem; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,.5); text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: var(--rojo); }

/* ── ANIMACIONES ── */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links  { display: none; }
  .hamburger  { display: flex; }
  section, #noa { padding: 72px 20px; }
  .hero-logo-hero { max-width: 240px; }
  .hero-stats { gap: 24px; }
  .nosotros-grid, .noa-wrap, .cobertura-wrap, .contacto-wrap { gap: 36px; }
  .cliente-card { flex: 1 1 110px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}
@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .btn-primary, .btn-ghost-blanco, .btn-ghost-azul { text-align: center; }
}