/* eXDCi Solutions — hoja de estilos principal
   Paleta tomada del logo: verde, azul y gris de las tres esferas. */

:root {
  --accent: #00aa7a;
  --accent-dark: #00805c;
  --blue: #0f63aa;
  --blue-light: #3298cd;
  --gray: #58595b;
  --ink: #23272b;
  --ink-soft: #55595d;
  --bg: #ffffff;
  --bg-alt: #f4f6f7;
  --bg-dark: #1c2124;
  --border: #e2e6e8;
  --radius: 10px;
  --shadow: 0 4px 16px rgba(20, 30, 35, 0.08);
  --shadow-lg: 0 12px 32px rgba(20, 30, 35, 0.14);
  --max-width: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }

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

img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-light); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 16px;
}

.logo-link { display: flex; align-items: center; flex-shrink: 0; }
.logo-link img { height: 44px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: flex-end;
}

.main-nav a {
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  padding: 10px 14px;
  border-radius: 6px;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  background: var(--bg-alt);
  color: var(--accent);
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-caret {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: -8px;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
}

.nav-caret svg {
  width: 10px;
  height: 7px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.15s ease;
}

.nav-item.open .nav-caret svg,
.nav-item:hover .nav-caret svg {
  transform: rotate(180deg);
}

.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  padding: 8px;
  flex-direction: column;
  gap: 2px;
  z-index: 60;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown,
.nav-item.open .nav-dropdown {
  display: flex;
}

.nav-dropdown a {
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  white-space: normal;
}

.nav-dropdown a:hover {
  background: var(--bg-alt);
  color: var(--accent);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-left: 12px;
  flex-shrink: 0;
}

.lang-switch a { color: var(--ink-soft); font-weight: 600; }
.lang-switch a[aria-current="true"] { color: var(--blue); }
.lang-switch span { color: var(--border); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 64px;
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
}

.hero-dots {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 320px;
  height: 320px;
  opacity: 0.12;
  pointer-events: none;
}

.hero-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; position: relative; }

.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  margin: 0 0 16px;
  max-width: 820px;
}

.hero p.lead {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 0 28px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }

.btn-outline { background: transparent; border-color: var(--border); color: var(--ink); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn:disabled:hover { background: var(--accent); transform: none; }

/* ---------- Quote block ---------- */

.quote-block {
  border-left: 4px solid var(--accent);
  padding: 4px 0 4px 20px;
  margin: 40px 0;
  font-style: italic;
  color: var(--ink-soft);
}

.quote-block cite {
  display: block;
  margin-top: 8px;
  font-style: normal;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

/* ---------- Sections ---------- */

section { padding: 56px 0; }
section.alt { background: var(--bg-alt); }

.section-head { max-width: 720px; margin: 0 0 36px; }
.section-head h2 { font-size: clamp(22px, 3vw, 30px); margin: 0 0 12px; }
.section-head p { color: var(--ink-soft); margin: 0; }
.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 10px;
}

/* ---------- Pillar / service cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--gray);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.card.c-gray { border-top-color: var(--gray); }
.card.c-blue { border-top-color: var(--blue); }
.card.c-green { border-top-color: var(--accent); }

.card h3 { margin: 0 0 12px; font-size: 18px; }
.card.c-gray h3 { color: var(--gray); }
.card.c-blue h3 { color: var(--blue); }
.card.c-green h3 { color: var(--accent-dark); }

.card ul { margin: 0 0 16px; padding-left: 20px; color: var(--ink-soft); font-size: 14px; }
.card ul li { margin-bottom: 6px; }
.card .card-link { font-weight: 700; font-size: 14px; }

/* ---------- Partners strip ---------- */

.partners {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 32px 0;
}

.partners img {
  max-height: 46px;
  width: auto;
  filter: grayscale(1) opacity(0.6);
  transition: filter 0.2s ease;
}

.partners a:hover img { filter: none; }

/* ---------- Service page sections ---------- */

.service-block {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

.service-block:last-of-type { border-bottom: none; }

.service-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.service-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

.service-dot.c-gray,
.service-dot.c-blue,
.service-dot.c-green { background: var(--accent); }

.service-head h2 { margin: 0; font-size: 24px; }

.service-body { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; align-items: start; }
.service-body img { border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); }

.service-body.full-image { grid-template-columns: 1fr; }
.service-body.full-image img { max-width: 420px; margin: 24px auto 0; }

.service-sub { margin-top: 28px; }
.service-sub h3 { font-size: 16px; margin: 0 0 10px; }

.back-to-top { text-align: center; margin-top: 36px; }
.back-to-top a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.back-to-top a:hover { color: var(--accent); border-color: var(--accent); }
.back-to-top a svg { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

ul.bullet-list { padding-left: 20px; color: var(--ink-soft); }
ul.bullet-list li { margin-bottom: 8px; }
ul.bullet-list li::marker { color: var(--accent); }

.tag {
  display: inline-block;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-soft);
  margin: 0 6px 6px 0;
}

/* ---------- Certifications strip ---------- */

.cert-strip {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.cert-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px;
  width: 200px;
}

.cert-item img { border-radius: 6px; }
.cert-item p { margin: 8px 0 0; font-size: 12px; font-weight: 700; color: var(--ink-soft); text-align: center; }

/* ---------- Product family image + model tags ---------- */

.family-image {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 16px;
  margin: 12px 0;
  text-align: center;
}

.family-image img { max-height: 160px; width: auto; margin: 0 auto; }

.model-tags { margin: 10px 0 14px; }

/* ---------- Milestones / cases ---------- */

.milestone {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
}

.milestone:first-of-type { border-top: none; }

.milestone-year {
  font-weight: 800;
  color: var(--accent-dark);
  font-size: 15px;
  min-width: 56px;
  flex-shrink: 0;
}

.milestone h3 { margin: 0 0 6px; font-size: 16px; }
.milestone p { margin: 0; color: var(--ink-soft); font-size: 14px; }

/* ---------- Contact ---------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }

.contact-info .info-row { display: flex; gap: 12px; margin-bottom: 20px; }
.contact-info .info-row strong { display: block; font-size: 14px; }
.contact-info .info-row span, .contact-info .info-row a { color: var(--ink-soft); font-size: 14px; }

.map-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 20px;
}

form.contact-form { display: flex; flex-direction: column; gap: 14px; }

.contact-form label { font-size: 13px; font-weight: 700; color: var(--ink); display: block; margin-bottom: 6px; }

.contact-form input,
.contact-form textarea {
  width: 100%;
  font-family: var(--font);
  font-size: 14px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-alt);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: #fff;
}

.contact-form textarea { min-height: 130px; resize: vertical; }

.form-note { font-size: 12px; color: var(--ink-soft); margin-top: -4px; }

.form-feedback {
  font-size: 14px;
  font-weight: 600;
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
}
.form-feedback-success { background: #eaf7e9; color: var(--accent-dark); }
.form-feedback-error { background: #fbeaea; color: #c0392b; }

.interest-select {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-alt);
}

.interest-select summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 14px;
  padding: 11px 14px;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.interest-select summary::-webkit-details-marker { display: none; }
.interest-select summary::after { content: "▾"; color: var(--ink-soft); margin-left: 8px; }
.interest-select[open] summary::after { content: "▴"; }

.interest-panel { padding: 4px 14px 14px; border-top: 1px solid var(--border); }

.interest-group-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 12px 0 6px;
}
.interest-group-label:first-child { margin-top: 12px; }

.interest-option {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 400;
  padding: 4px 0;
  cursor: pointer;
}
.interest-option input { width: auto; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--bg-dark);
  color: #cfd4d7;
  padding: 48px 0 24px;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { height: 30px; }
.footer-brand span { font-weight: 700; color: #fff; font-size: 14px; }

.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: #cfd4d7; font-size: 14px; }
.footer-links a:hover { color: #fff; }

.footer-social {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 20px 0;
  margin-bottom: 4px;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-social .social-icon-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  padding: 8px 16px;
  transition: background 0.15s ease;
}

.footer-social .social-icon-link:hover { background: rgba(255,255,255,0.16); color: #fff; }
.footer-social .social-icon-link svg { width: 18px; height: 18px; fill: #fff; flex-shrink: 0; }

.linkedin-badge { line-height: 0; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  font-size: 12px;
  color: #93999c;
  text-align: center;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .card-grid { grid-template-columns: 1fr; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .service-body { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 1280px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    inset: 64px 0 0 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 16px 24px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
  }

  .main-nav.open { transform: translateX(0); }
  .main-nav a { padding: 14px 8px; border-bottom: 1px solid var(--border); border-radius: 0; }

  .nav-item { flex-direction: column; align-items: stretch; }
  .nav-item a { border-bottom: none; }
  .nav-item .nav-caret { display: none; }
  .nav-dropdown {
    display: flex;
    position: static;
    box-shadow: none;
    border: none;
    background: var(--bg-alt);
    border-radius: 8px;
    margin: 0 0 6px;
    padding: 4px;
  }
  .nav-dropdown a { padding: 10px 12px; color: var(--ink-soft); }

  .lang-switch { margin: 16px 0 0; }
}

@media (max-width: 760px) {
  .hero { padding: 48px 0 40px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }

  .footer-inner { flex-direction: column; }
}