:root {
  --bg: #f7f8fa;
  --bg-alt: #eef0f3;
  --text: #1a2130;
  --muted: #5b6472;
  --border: #e2e5ea;
  --dark: #0d1b2a;
  --dark-alt: #14283f;
  --accent: #0066cc;
  --accent-dark: #004c99;
  --card-bg: #ffffff;
  /* Guiño a Proxmox: solo para los botones de llamada a la accion, el resto
     de la marca (cabecera, enlaces, titulos) se queda en el azul del logo. */
  --accent-proxmox: #e57000;
  --accent-proxmox-dark: #c25f00;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--accent-dark); }

h1, h2, h3 { line-height: 1.25; margin: 0 0 12px 0; }
h2 { font-size: 28px; }
h3 { font-size: 18px; }

/* Header */
.site-header {
  background: var(--dark);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 10px;
  padding: 14px 24px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-icon {
  height: 58px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.55)) drop-shadow(0 0 1px rgba(255, 255, 255, 0.8));
}
.brand-text { font-size: 24px; font-weight: 700; color: #fff; line-height: 1.1; }
.brand-text-accent { display: block; font-size: 15px; font-weight: 400; color: #9fc6ef; }
.main-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 16px; }
.main-nav a { color: #c9c9c9; text-decoration: none; white-space: nowrap; }
.main-nav a:not(.btn) { font-size: 13px; }
.main-nav a:hover { color: #fff; }
.lang-switch {
  display: inline-flex;
  align-items: center;
  opacity: 0.85;
}
.lang-switch:hover { opacity: 1; }
.lang-switch svg {
  width: 24px;
  height: 16px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.25);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent-proxmox); color: #fff; }
.btn-primary:hover { background: var(--accent-proxmox-dark); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { border-color: #fff; }
.btn-lg { padding: 13px 26px; font-size: 15px; }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--dark) 0%, var(--dark-alt) 100%);
  color: #fff;
  padding: 90px 0 100px;
  text-align: center;
}
.hero h1 { font-size: 40px; max-width: 760px; margin: 0 auto 18px; }
.hero-subtitle { font-size: 18px; color: #cfcfcf; max-width: 620px; margin: 0 auto 34px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Sections */
.section { padding: 70px 0; }
.section-alt { background: var(--bg-alt); }
.section h2 { text-align: center; }
.section-intro {
  text-align: center;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 40px;
}
.section-note { text-align: center; color: var(--muted); margin-top: 30px; }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}
.service-card, .benefit-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.service-card h3, .benefit-card h3 { color: var(--accent-dark); }
.service-card p, .benefit-card p { color: var(--muted); font-size: 14px; margin: 0; }

/* Sobre nosotros */
.about-container {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-text p { color: var(--muted); margin: 0 0 14px 0; }
.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.highlight-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--muted);
}
.highlight-item strong { color: var(--text); }

/* Nuestra herramienta / trabajos */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.portfolio-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.portfolio-card h3 { padding: 0 18px; margin-top: 16px; font-size: 16px; }
.portfolio-card p { padding: 0 18px 18px; margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.portfolio-media {
  position: relative;
  height: 200px;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.portfolio-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}
.portfolio-svg { width: 100%; height: 100%; display: block; }
.portfolio-media.media-missing {
  height: 200px;
  border-bottom: 2px dashed var(--border);
}
.portfolio-media.media-missing::after {
  content: "Pendiente: sube aquí " attr(data-filename);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 12px;
  font-size: 12px;
  color: var(--muted);
}

/* Process */
.process-list {
  max-width: 720px;
  margin: 0 auto;
  padding-left: 22px;
  color: var(--muted);
}
.process-list li { margin-bottom: 16px; font-size: 15px; }
.process-list strong { color: var(--text); }

/* FAQ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  background: var(--card-bg);
}
.faq-item h3 { color: var(--text); margin-bottom: 8px; }
.faq-item p { color: var(--muted); margin: 0; font-size: 14px; }

/* Contact */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}
.contact-intro h2 { text-align: left; }
.contact-intro p { color: var(--muted); }

.contact-form {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}
.contact-form .form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  flex: 1;
  min-width: 200px;
}
.contact-form input, .contact-form textarea {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
}
.contact-form textarea { margin-bottom: 16px; resize: vertical; }
.honeypot { position: absolute; left: -9999px; top: -9999px; }
.contact-feedback { margin-top: 14px; font-size: 14px; }
.contact-feedback.success { color: #15803d; }
.contact-feedback.error { color: #b91c1c; }

@media (max-width: 780px) {
  .contact-container { grid-template-columns: 1fr; }
  .about-container { grid-template-columns: 1fr; }
  .nav-toggle { display: flex; order: 2; }
  .brand { order: 1; }
  .main-nav {
    display: none;
    order: 3;
    flex-basis: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-top: 14px;
  }
  .main-nav.is-open { display: flex; }
  .hero h1 { font-size: 30px; }
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: #a3a3a3;
  padding: 24px 0;
  font-size: 13px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-icon { height: 24px; width: auto; opacity: 0.9; }
.footer-links a { color: #c9c9c9; text-decoration: none; }

/* Lightbox (zoom de capturas reales) */
.zoomable { cursor: zoom-in; }

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 40px;
  cursor: zoom-out;
}
.lightbox.hidden { display: none; }
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.lightbox-close {
  position: absolute;
  top: 18px;
  right: 22px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 26px;
  cursor: pointer;
  line-height: 1;
}