/* =====================================================
   SELECON · Volvo Penta Industrial — estilos de toda la web
   Un solo archivo para todas las páginas. Para cambiar un color,
   edita las variables de aquí abajo y se actualiza en todas.
   ===================================================== */

:root {
  --primary: #002B49;
  --primary-dark: #001A2E;
  --primary-mid: #004070;
  --accent: #D71920;
  --accent-hover: #B9151B;
  --cyan: #38BDF8;
  --bg: #F1F5F9;
  --text: #1E293B;
  --muted: #475569;
  --border: #E2E8F0;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
}
@media (min-width: 640px)  { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

/* ---------- Barra superior (teléfono y email) ---------- */
.top-bar { background: var(--primary-dark); color: #94A3B8; font-size: .85rem; padding: .5rem 0; }
.top-bar .container { display: flex; flex-wrap: wrap; justify-content: center; gap: .25rem 1.5rem; }
.top-bar a { color: var(--cyan); font-weight: 700; text-decoration: none; }
.top-bar a:hover { text-decoration: underline; }
.top-bar span { color: #E2E8F0; }
@media (min-width: 768px) { .top-bar .container { justify-content: flex-end; } }

/* ---------- Cabecera ---------- */
.site-header { background: var(--primary); box-shadow: 0 10px 15px rgba(0,0,0,.2); z-index: 50; }
.header-inner { display: flex; flex-direction: column; align-items: center; gap: 1rem; padding: 1rem 0; }

.logos { display: flex; align-items: center; gap: 1rem; }
.logo-box {
  background: #fff; border-radius: .375rem; padding: .5rem 1rem; height: 4rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: inset 0 2px 4px rgba(0,0,0,.06);
}
.logo-box img { height: 2.5rem; width: auto; object-fit: contain; }
.logo-sep { color: rgba(255,255,255,.3); font-size: 1.5rem; font-weight: 300; }

.main-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: .25rem 1rem; font-weight: 500; }
.main-nav a {
  color: #fff; text-decoration: none; padding: .5rem 0; font-size: .95rem;
  border-bottom: 2px solid transparent; transition: color .2s;
}
.main-nav a:hover { color: var(--cyan); }
.main-nav a.active { color: var(--cyan); font-weight: 700; border-bottom-color: var(--cyan); }

@media (min-width: 640px) {
  .main-nav { gap: .25rem 1.5rem; }
  .main-nav a { font-size: 1rem; }
}
@media (min-width: 768px) {
  .site-header { position: sticky; top: 0; }
  .header-inner { flex-direction: row; justify-content: space-between; }
}

/* ---------- Hero de la home ---------- */
.hero { position: relative; background: var(--primary); color: #fff; padding: 5rem 0; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; opacity: .2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-content { position: relative; max-width: 48rem; text-align: center; }
.badge {
  display: inline-block; background: rgba(56,189,248,.2); color: var(--cyan);
  padding: .375rem 1rem; border-radius: 999px; font-size: .85rem; font-weight: 600;
  letter-spacing: .05em; text-transform: uppercase; border: 1px solid rgba(56,189,248,.3);
}
.hero h1 { font-size: 2.25rem; line-height: 1.1; font-weight: 800; letter-spacing: -.02em; margin: 1.5rem 0; }
.hero h1 span { color: var(--cyan); }
.hero p { font-size: 1.125rem; color: #CBD5E1; line-height: 1.7; }
.hero-actions { display: flex; flex-direction: column; gap: 1rem; padding-top: 2rem; }

@media (min-width: 640px) {
  .hero-content { text-align: left; }
  .hero h1 { font-size: 3.75rem; }
  .hero-actions { flex-direction: row; }
}
@media (min-width: 1024px) { .hero { padding: 7rem 0; } }

/* ---------- Botones ---------- */
.btn {
  display: inline-block; text-align: center; font-weight: 700; text-decoration: none;
  padding: .875rem 2rem; border-radius: .5rem; background: var(--accent); color: #fff;
  box-shadow: 0 10px 15px rgba(0,0,0,.2); transition: background .2s;
}
.btn:hover { background: var(--accent-hover); }
.btn-ghost { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); }
.btn-ghost:hover { background: rgba(255,255,255,.2); }
.btn-blue { background: #0284C7; }
.btn-blue:hover { background: #026AA7; }

/* ---------- Contenido principal ---------- */
main { flex: 1; width: 100%; }
.stack { display: flex; flex-direction: column; gap: 3rem; padding-top: 3rem; padding-bottom: 3rem; }

.intro { max-width: 48rem; margin: 0 auto; text-align: center; }
.intro h2 { color: var(--primary); font-size: 1.875rem; font-weight: 800; margin-bottom: 1rem; }
.intro p { color: var(--muted); line-height: 1.7; margin-bottom: 1rem; }

.section-title { color: var(--primary); font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 2rem; }

/* Tarjetas */
.cards { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: .75rem;
  box-shadow: 0 4px 6px rgba(0,0,0,.1); padding: 2rem; transition: transform .2s;
}
.card:hover { transform: translateY(-4px); }
.icon {
  width: 3rem; height: 3rem; background: rgba(56,189,248,.2); border-radius: .5rem;
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem; margin-bottom: 1.5rem;
}
.card h3 { color: var(--primary); font-size: 1.25rem; font-weight: 700; line-height: 1.3; margin-bottom: .75rem; }
.card p { color: var(--muted); font-size: .9rem; line-height: 1.7; }
.card-link { display: inline-block; margin-top: 1rem; color: var(--accent); font-weight: 600; font-size: .9rem; text-decoration: none; }
.card-link:hover { color: var(--accent-hover); }

/* Paneles (por qué elegirnos, contacto) */
.panel {
  background: #fff; border: 1px solid var(--border); border-radius: .75rem;
  box-shadow: 0 4px 6px rgba(0,0,0,.1); padding: 2rem; width: 100%; max-width: 48rem; margin: 0 auto;
}
.panel h2 { color: var(--primary); font-size: 1.5rem; font-weight: 800; margin-bottom: 1rem; }
.panel p { color: var(--muted); line-height: 1.8; }
.panel ul { padding-left: 1.25rem; color: var(--muted); }
.panel li { margin-bottom: .5rem; }
.panel a { color: var(--accent); font-weight: 600; text-decoration: none; }
.panel a:hover { text-decoration: underline; }
.panel .map-link { display: inline-block; margin-top: 1rem; font-size: .9rem; }

/* ---------- Páginas interiores: banner y servicios ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff;
  padding: 2.5rem 0; text-align: center; border-bottom: 5px solid var(--accent);
}
.page-hero h1 { font-size: 1.75rem; font-weight: 800; line-height: 1.2; margin-bottom: .75rem; }
.page-hero p { color: #94A3B8; max-width: 44rem; margin: 0 auto; }
@media (min-width: 768px) {
  .page-hero { padding: 4rem 0; }
  .page-hero h1 { font-size: 2.4rem; }
  .page-hero p { font-size: 1.1rem; }
}

.service-card {
  background: #fff; border: 1px solid #CBD5E1; border-radius: 1rem;
  box-shadow: 0 10px 25px -5px rgba(0,0,0,.08); padding: 1.5rem;
  display: grid; grid-template-columns: 1fr; gap: 1.5rem; align-items: center;
}
.service-card img {
  width: 100%; height: 14rem; object-fit: cover; border-radius: .75rem;
  border: 2px solid var(--border); box-shadow: 0 6px 15px rgba(0,0,0,.12);
}
.service-card img.contain { object-fit: contain; background: #F8FAFC; padding: .5rem; }

.service-info h2 {
  color: var(--primary); font-size: 1.4rem; font-weight: 700; display: inline-block;
  border-bottom: 3px solid var(--accent); padding-bottom: .3rem; margin-bottom: 1rem;
}
.service-info p { color: var(--muted); margin-bottom: 1.2rem; }

.checklist { list-style: none; margin-bottom: 1.5rem; padding: 0; }
.checklist li { position: relative; padding-left: 1.5rem; margin-bottom: .6rem; color: #334155; font-weight: 500; }
.checklist li::before { content: "✔"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

.btn-link { color: var(--primary); font-weight: 700; text-decoration: none; }
.btn-link:hover { color: var(--accent); text-decoration: underline; }

@media (min-width: 768px) {
  .service-card { grid-template-columns: 1.1fr .9fr; gap: 3rem; padding: 2.5rem; }
  .service-card.reverse { grid-template-columns: .9fr 1.1fr; }
  .service-card:not(.reverse) img { order: 1; }
  .service-card img { height: 18.75rem; }
  .service-info h2 { font-size: 1.8rem; }
}

/* Caja de llamada a la acción */
.cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-mid)); color: #fff;
  border-radius: 1rem; padding: 2.5rem 1.25rem; text-align: center;
  box-shadow: 0 12px 30px rgba(0,43,73,.2);
}
.cta h2 { font-size: 1.5rem; margin-bottom: .75rem; }
.cta p { color: #CBD5E1; max-width: 40rem; margin: 0 auto 2rem auto; }
.cta-actions { display: flex; flex-direction: column; gap: 1rem; justify-content: center; }
@media (min-width: 640px) {
  .cta-actions { flex-direction: row; }
  .cta h2 { font-size: 2rem; }
}

/* ---------- Pie de página ---------- */
.site-footer { background: var(--primary); color: #fff; padding: 2rem 0; border-top: 1px solid #334155; }
.site-footer .container { display: flex; flex-direction: column; align-items: center; gap: 1rem; text-align: center; }
.site-footer p { color: #94A3B8; font-size: .9rem; }
.site-footer img { height: 2.5rem; width: auto; opacity: .9; }
.footer-phone { color: var(--cyan); font-weight: 700; text-decoration: none; }
@media (min-width: 640px) {
  .site-footer .container { flex-direction: row; justify-content: center; text-align: left; }
}

/* ---------- Página de contacto ---------- */
.panel.full { max-width: none; margin: 0; }
.panel h2 + p { margin-top: 0; }

.grid-2 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.figure {
  background: #fff; border: 1px solid var(--border); border-radius: .75rem;
  box-shadow: 0 4px 6px rgba(0,0,0,.1); padding: 1rem;
  display: flex; flex-direction: column; align-items: center;
}
.figure img { width: 100%; height: 16rem; object-fit: cover; border-radius: .5rem; border: 1px solid var(--border); }
.figure img.contain { object-fit: contain; background: #F8FAFC; padding: .5rem; }
.figure figcaption { font-size: .9rem; color: #64748B; font-weight: 500; text-align: center; margin-top: .75rem; }

.contact-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.contact-grid .panel { max-width: none; margin: 0; }
@media (min-width: 768px) { .grid-2, .contact-grid { grid-template-columns: 1fr 1fr; } }

.contact-data { margin-top: 1rem; font-size: .9rem; }
.contact-data p { margin-bottom: .25rem; }
.map-box { margin-top: 1.5rem; height: 14rem; border-radius: .5rem; overflow: hidden; border: 1px solid #CBD5E1; }
.map-box iframe { width: 100%; height: 100%; border: 0; }

.panel a.btn { color: #fff; text-decoration: none; }
.panel a.btn:hover { text-decoration: none; }
.btn-green { background: #16A34A; display: block; margin-top: 1rem; }
.btn-green:hover { background: #15803D; }

.field { margin-bottom: 1rem; }
.field input, .field textarea {
  width: 100%; padding: .75rem; border: 1px solid #CBD5E1; border-radius: .5rem;
  font-size: .95rem; font-family: inherit; background: #fff; color: var(--text);
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--primary); }
button.btn { border: 0; cursor: pointer; font-size: 1rem; font-family: inherit; }
.btn-primary { background: var(--primary); width: 100%; box-shadow: 0 4px 6px rgba(0,0,0,.15); }
.btn-primary:hover { background: #003F6B; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.status {
  margin-top: 1rem; padding: 1rem; border-radius: .5rem; text-align: center;
  font-size: .9rem; font-weight: 700; border: 1px solid #CBD5E1; background: #F1F5F9; color: #334155;
}
.status:empty { display: none; }
.status-info  { background: #DBEAFE; color: #1E40AF; border-color: #93C5FD; }
.status-ok    { background: #DCFCE7; color: #166534; border-color: #86EFAC; }
.status-warn  { background: #FEF9C3; color: #854D0E; border-color: #FDE047; }
.status-error { background: #FEE2E2; color: #991B1B; border-color: #FCA5A5; }

/* Campo trampa anti-spam: los humanos no lo ven */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }