/* ===== Tokens ===== */
:root {
  --paper: #EEF1EF;
  --paper-dim: #E3E8E5;
  --ink: #11201D;
  --ink-soft: #4B5C57;
  --rack: #1E4DB7;
  --rack-soft: #1A3E9A;
  --rack-gradient: linear-gradient(135deg, #1E4DB7 0%, #0A2A7A 100%);
  --line: #C7D2CC;
  --line-on-dark: #2E5AC8;
  --amber: #E8A23A;
  --amber-ink: #6B3E0A;
  --green: #4C9A6B;
  --white: #FFFFFF;
  --radius: 6px;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;
  --sans: 'IBM Plex Sans', -apple-system, sans-serif;
  --display: 'Space Grotesk', var(--sans);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { font-family: var(--display); font-weight: 600; margin: 0 0 0.5em; color: var(--ink); }
h1 { font-size: clamp(2rem, 4vw, 2.9rem); line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.2; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

a { color: inherit; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--amber); color: var(--ink); padding: 8px 16px; z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* ===== Rack bar (dark panel reused for header/training/footer) ===== */
.rack-bar { background: var(--rack-gradient); color: var(--white); }
.rack-bar .brand-name, .rack-bar h2 { color: var(--white); }

/* ===== Header ===== */
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--line-on-dark); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { vertical-align: middle; }
.footer-brand .brand-mark { margin-right: 8px; }
.footer-brand .brand-name { vertical-align: middle; }
.brand-logo { display: block; height: 44px; width: auto; }


.main-nav { display: flex; align-items: center; gap: 22px; }
.main-nav a {
  text-decoration: none; color: var(--white); font-size: 0.9rem;
  font-family: var(--mono); letter-spacing: 0.03em;
  padding: 6px 0; border-bottom: 1px solid transparent;
}
.main-nav a:hover { border-bottom-color: var(--amber); }
.nav-cta {
  border: 1px solid var(--amber) !important; padding: 6px 14px !important;
  border-radius: var(--radius); color: var(--amber) !important;
}

/* ===== Crosshair / blueprint registration marks ===== */
.crosshair { position: absolute; width: 22px; height: 22px; opacity: 0.4; }
.crosshair::before, .crosshair::after { content: ""; position: absolute; background: var(--ink-soft); }
.crosshair::before { width: 100%; height: 1px; top: 50%; }
.crosshair::after { width: 1px; height: 100%; left: 50%; }
.crosshair.tl { top: 24px; left: 24px; }
.crosshair.tr { top: 24px; right: 24px; }
.site-footer .crosshair::before, .site-footer .crosshair::after { background: var(--line-on-dark); }

/* ===== Hero ===== */
.hero {
  position: relative; padding: 72px 0 64px;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center top;
  background-color: var(--paper);
  -webkit-mask-image: linear-gradient(to bottom, black 75%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 75%, transparent 100%);
}
.hero-inner {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center;
}
.eyebrow {
  font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.04em;
  color: var(--ink-soft); text-transform: uppercase; margin-bottom: 14px;
}
.eyebrow-light { color: var(--paper-dim); }
.lede { font-size: 1.1rem; color: var(--ink-soft); max-width: 520px; }
.lede-light { color: var(--paper-dim); }

.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: var(--radius);
  text-decoration: none; font-weight: 500; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--amber); color: var(--ink); }
.btn-primary:hover { background: #d8932e; }
.btn-ghost { border-color: var(--ink-soft); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--paper-dim); }
.rack-bar .btn-ghost { border-color: var(--paper-dim); color: var(--white); }

/* ===== Uptime panel (signature element) ===== */
.uptime-panel {
  background: var(--rack); color: var(--white);
  border-radius: 10px; padding: 28px 26px;
  border: 1px solid var(--line-on-dark);
}
.uptime-label {
  font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.03em;
  color: var(--paper-dim); display: flex; align-items: center; gap: 8px; margin-bottom: 14px;
}
.uptime-years {
  font-family: var(--display); font-weight: 600; font-size: 2.1rem; margin: 0 0 6px;
}
.uptime-clock {
  font-family: var(--mono); font-size: 1.05rem; letter-spacing: 0.04em;
  color: var(--amber); margin: 0 0 6px;
}
.uptime-caption { font-family: var(--mono); font-size: 0.72rem; color: var(--paper-dim); margin: 0; }

.led {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 4px var(--green);
}
.led-amber { background: var(--amber); box-shadow: 0 0 4px var(--amber); }

/* ===== Services ===== */
.services { padding: 72px 0; }
.section-sub { color: var(--ink-soft); margin-top: -8px; margin-bottom: 36px; }
.service-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.service-card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 22px 20px;
}
.service-card p:last-child { margin-bottom: 0; color: var(--ink-soft); font-size: 0.95rem; }
.svc-code {
  font-family: var(--mono); font-size: 0.78rem; color: var(--ink-soft);
  display: flex; align-items: center; gap: 8px; margin-bottom: 10px; letter-spacing: 0.03em;
}
.is-growth { border-color: var(--amber); }
.tag {
  font-family: var(--mono); font-size: 0.68rem; color: var(--amber-ink);
  background: #FBEAD2; padding: 2px 8px; border-radius: 999px; margin-left: auto;
}

/* ===== Foto de staff en service cards ===== */
.staff-photo {
  width: 100%; aspect-ratio: 4/3; object-fit: cover; object-position: top;
  border-radius: 4px; margin-top: 14px; border: 1px solid var(--line);
  display: block;
}
.staff-caption {
  font-family: var(--mono); font-size: 0.72rem; color: var(--ink-soft);
  margin: 6px 0 0; letter-spacing: 0.02em;
}

/* ===== About ===== */
.about { padding: 64px 0 72px; background: var(--paper-dim); }
.about-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: start; }
.about-copy p { color: var(--ink-soft); }
.about-stats { display: grid; gap: 18px; }
.stat-block {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px;
}
.stat-number { font-family: var(--display); font-size: 1.8rem; font-weight: 600; margin: 0; }
.stat-label { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-soft); margin: 4px 0 0; }

/* ===== Training callout ===== */
.training { padding: 60px 0; }
.training-inner { max-width: 700px; }
.training h2 { margin-top: 6px; }

/* ===== Contact ===== */
.contact { padding: 72px 0 88px; }
.contact-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; }
.contact-info p { color: var(--ink-soft); }
.contact-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.contact-list li {
  display: flex; justify-content: space-between; gap: 16px;
  border-bottom: 1px solid var(--line); padding-bottom: 10px; font-size: 0.95rem;
}
.contact-label { font-family: var(--mono); color: var(--ink-soft); font-size: 0.82rem; }

.contact-form {
  display: flex; flex-direction: column; gap: 6px;
  background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 26px;
}
.contact-form label { font-size: 0.85rem; font-family: var(--mono); color: var(--ink-soft); margin-top: 10px; }
.contact-form input, .contact-form textarea {
  font-family: var(--sans); font-size: 0.95rem; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper);
  color: var(--ink); resize: vertical;
}
.contact-form button { margin-top: 18px; align-self: flex-start; border: none; }
.form-status { font-size: 0.85rem; color: var(--green); min-height: 1.2em; margin: 8px 0 0; }

/* ===== Botón flotante WhatsApp ===== */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  text-decoration: none;
  padding: 12px 18px 12px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.wa-float:hover {
  background: #1ebe5a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}
.wa-float-label { white-space: nowrap; }

@media (max-width: 560px) {
  .wa-float { padding: 13px; border-radius: 50%; bottom: 20px; right: 20px; }
  .wa-float-label { display: none; }
}

/* ===== WhatsApp link ===== */
.wa-link {
  display: inline-flex; align-items: center; gap: 5px;
  margin-left: 10px; text-decoration: none;
  background: #25D366; color: #fff;
  font-family: var(--mono); font-size: 0.75rem;
  padding: 3px 10px; border-radius: 999px;
  vertical-align: middle;
}
.wa-link:hover { background: #1ebe5a; }
.wa-icon { fill: #fff; flex-shrink: 0; }

/* ===== Footer ===== */
.site-footer { padding: 48px 0 0; position: relative; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; padding-bottom: 32px; }
.footer-brand p { color: var(--paper-dim); max-width: 320px; margin-top: 8px; }
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; align-content: flex-start; }
.footer-nav a { text-decoration: none; font-size: 0.9rem; color: var(--paper-dim); }
.footer-nav a:hover { color: var(--amber); }
.footer-bottom {
  border-top: 1px solid var(--line-on-dark); padding: 18px 24px;
  font-size: 0.8rem; color: var(--paper-dim);
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .hero-inner, .about-inner, .contact-inner { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .main-nav { gap: 14px; }
}
@media (max-width: 560px) {
  .service-grid { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; gap: 12px; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}