/* ============================================================
   Grupo Avance TI — Sistema de diseño
   Sin fuentes ni recursos externos a propósito: menor superficie
   de ataque y una directiva CSP más estricta.
   ============================================================ */

:root {
  --void: #0A0E1A;
  --slate-deep: #131B2E;
  --slate-line: #223049;
  --teal: #14B8A6;
  --teal-dim: #0E8577;
  --amber: #F59E0B;
  --mist: #E7EBF3;
  --paper: #F6F7FA;
  --ash: #6B7688;
  --ash-dark: #9AA6BC;

  --font-display: ui-monospace, "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, "Liberation Mono", monospace;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius: 4px;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--mist);
  background: var(--void);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); line-height: 1.08; }
h2 { font-size: clamp(1.5rem, 2.5vw, 1.9rem); }
h3 { font-size: 1.05rem; margin-bottom: 0.35em; }
p { margin: 0 0 1em; color: inherit; }

a { color: var(--teal); }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--teal); color: var(--void);
  padding: 10px 16px; z-index: 100; font-weight: 600;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.1rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: lowercase;
  color: var(--teal);
  margin: 0 0 0.25em;
  line-height: 1.1;
}

.accent { color: var(--teal); }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  padding: 13px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn-primary { background: var(--teal); color: var(--void); }
.btn-primary:hover { background: #1ED8C3; }
.btn-ghost { border-color: var(--slate-line); color: var(--mist); }
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn-small { padding: 9px 16px; font-size: 0.82rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: #FFFFFF;
  border-bottom: 1px solid #EEF1F6;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px; gap: 20px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-img { height: 34px; width: 34px; object-fit: contain; display: block; }
.logo-wordmark-img { height: 32px; width: auto; display: block; }
.main-nav { display: flex; gap: 26px; }
.main-nav a { color: #4B5568; text-decoration: none; font-size: 0.92rem; }
.main-nav a:hover { color: var(--teal-dim); }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 88px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-lead { color: var(--ash-dark); font-size: 1.08rem; max-width: 46ch; }
.hero-actions { display: flex; gap: 14px; margin-top: 8px; flex-wrap: wrap; }

.hero-terminal {
  background: var(--slate-deep);
  border: 1px solid var(--slate-line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.terminal-chrome {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--slate-line);
}
.terminal-chrome .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--slate-line); }
.terminal-title { margin-left: 10px; font-family: var(--font-display); font-size: 0.78rem; color: var(--ash); }
.terminal-body {
  margin: 0; padding: 18px 16px 22px;
  font-family: var(--font-display);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ash-dark);
  min-height: 260px;
  white-space: pre-wrap;
  word-break: break-word;
}
.terminal-body .ok { color: var(--teal); }
.cursor {
  display: inline-block; width: 7px; height: 1em;
  background: var(--teal); vertical-align: text-bottom;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Secciones ---------- */
.section { padding: 80px 0; }
.section-light { background: var(--paper); color: var(--void); }
.section-light h2, .section-light .eyebrow { color: var(--void); }
.section-light .eyebrow { color: var(--teal-dim); }
.section-light .section-lead { color: #4B5568; }
.section-dark { background: var(--void); }
.section-lead { color: var(--ash-dark); max-width: 62ch; }

/* ---------- Servicios ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 40px;
}
.service-card {
  background: #fff;
  border: 1px solid #E1E5EE;
  border-radius: 8px;
  padding: 26px 24px;
}
.service-card .icon { width: 30px; height: 30px; color: var(--teal-dim); margin-bottom: 14px; }
.service-card p { color: #4B5568; margin: 0; font-size: 0.94rem; }

/* ---------- Marcas / alianzas ---------- */
.brand-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 36px;
}
.brand-card {
  background: var(--slate-deep);
  border: 1px solid var(--slate-line);
  border-radius: 8px;
  padding: 20px 18px;
  transition: border-color 0.15s ease;
}
.brand-card:hover { border-color: var(--teal); }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--mist);
  margin: 0 0 8px;
}
.brand-role { color: var(--ash-dark); font-size: 0.86rem; margin: 0; }
.brand-disclaimer { color: var(--ash); font-size: 0.78rem; margin: 22px 0 0; }

/* ---------- Sectores (reutiliza .service-card) ---------- */
.vertical-card p { font-size: 0.94rem; }

/* ---------- Seguridad ---------- */
.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.check-list { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 12px; }
.check-list li {
  position: relative; padding-left: 28px; color: var(--ash-dark); font-size: 0.96rem;
}
.check-list li::before {
  content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 700;
}
.check-list code {
  font-family: var(--font-display); font-size: 0.85em; color: var(--mist);
  background: var(--slate-deep); padding: 1px 6px; border-radius: 3px;
}

.process-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 26px; }
.process-list li { display: flex; gap: 18px; }
.process-num { font-family: var(--font-display); color: var(--teal); font-weight: 700; font-size: 0.95rem; }
.process-list p { color: var(--ash-dark); margin: 0; font-size: 0.94rem; }

/* ---------- Nosotros ---------- */
.nosotros-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 40px; align-items: start; }
.nosotros-logo { width: 100%; max-width: 260px; height: auto; margin-top: 12px; display: block; }

/* ---------- Contacto ---------- */
.contact-simple { text-align: center; max-width: 640px; margin: 0 auto; }
.contact-simple .section-lead { margin-left: auto; margin-right: auto; }
.contact-email {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease;
}
.contact-email:hover { border-color: var(--teal); }

/* ---------- Footer ---------- */
.site-footer { background: var(--paper); border-top: 1px solid #E1E5EE; padding: 46px 0; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; }
.footer-logo { margin-bottom: 6px; }
.footer-logo .logo-img { height: 30px; width: 30px; }
.footer-logo .logo-wordmark-img { height: 14px; }
.footer-inner p { color: #6B7688; margin: 4px 0 0; font-size: 0.88rem; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: #4B5568; text-decoration: none; font-size: 0.88rem; }
.footer-links a:hover { color: var(--teal-dim); }
.footer-copy { width: 100%; color: #8A93A6; font-size: 0.8rem; margin-top: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .security-grid, .nosotros-grid { grid-template-columns: 1fr; }
  .card-grid, .brand-strip { grid-template-columns: repeat(2, 1fr); }
  .main-nav { display: none; }
}
@media (max-width: 560px) {
  .card-grid, .brand-strip { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 60px; }
  .section { padding: 56px 0; }
}