:root {
    --blue: #163E70;
    --blue-deep: #0E2A4E;
    --orange: #F07B18;
    --ink: #1f2933;
    --muted: #5d6772;
    --line: #d6dde6;
    --paper: #ffffff;
    --soft: #f4f7fb;
    --soft-2: #EEF4FB;
    --radius: 14px;
    --shadow: 0 18px 40px -22px rgba(14, 42, 78, .45);
    --maxw: 1140px;
  }

  * { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  a { color: inherit; text-decoration: none; }

  .wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

  /* ---------- Header ---------- */
  header.site {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(140%) blur(8px);
    border-bottom: 1px solid var(--line);
  }
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 72px;
  }
  .brand { display: flex; align-items: center; gap: 12px; }
  .brand img { height: 42px; width: auto; display: block; }
  .brand .name { display: flex; flex-direction: column; line-height: 1.1; }
  .brand .name b { font-size: 1.05rem; color: var(--blue); letter-spacing: .3px; }
  .brand .name span { font-size: .72rem; color: var(--muted); letter-spacing: .6px; text-transform: uppercase; }

  nav.menu { display: flex; align-items: center; gap: 26px; }
  nav.menu a {
    font-size: .92rem;
    font-weight: 500;
    color: var(--ink);
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
    transition: border-color .2s, color .2s;
  }
  nav.menu a:hover { color: var(--blue); border-bottom-color: var(--orange); }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--orange);
    color: #fff;
    font-weight: 600;
    padding: 11px 20px;
    border-radius: 999px;
    font-size: .92rem;
    box-shadow: 0 10px 22px -10px rgba(240, 123, 24, .8);
    transition: transform .15s, box-shadow .2s, background .2s;
    border: none;
    cursor: pointer;
  }
  .btn:hover { transform: translateY(-1px); background: #e06d0c; }
  .btn.ghost {
    background: transparent;
    color: var(--blue);
    box-shadow: none;
    border: 1.5px solid var(--blue);
  }
  .btn.ghost:hover { background: var(--blue); color: #fff; }

  .nav-toggle { display: none; background: none; border: 0; cursor: pointer; }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
    display: block; width: 24px; height: 2px; background: var(--blue); position: relative; transition: .2s;
  }
  .nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; }
  .nav-toggle span::before { top: -7px; }
  .nav-toggle span::after { top: 7px; }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    color: #eaf1fb;
    background:
      radial-gradient(1100px 520px at 78% -10%, rgba(240,123,24,.22), transparent 60%),
      linear-gradient(160deg, var(--blue-deep) 0%, var(--blue) 55%, #1a4a86 100%);
    overflow: hidden;
  }
  .hero::after {
    content: "";
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(700px 380px at 25% 30%, #000 30%, transparent 75%);
    pointer-events: none;
  }
  .hero .wrap { position: relative; z-index: 2; padding: 86px 22px 96px; }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: .76rem; letter-spacing: 1.6px; text-transform: uppercase;
    color: #ffd9b0; font-weight: 600;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.18);
    padding: 6px 14px; border-radius: 999px;
  }
  .hero h1 {
    font-size: clamp(2rem, 4.6vw, 3.3rem);
    line-height: 1.08;
    margin: 20px 0 16px;
    color: #fff;
    letter-spacing: -.5px;
  }
  .hero h1 em { color: var(--orange); font-style: normal; }
  .hero p.lead {
    font-size: clamp(1.02rem, 1.6vw, 1.22rem);
    max-width: 620px;
    color: #d3e0f2;
    margin: 0 0 32px;
  }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 56px;
    border-top: 1px solid rgba(255,255,255,.16);
    padding-top: 26px;
  }
  .hero-stats .stat b { display: block; font-size: 1.9rem; color: #fff; line-height: 1; }
  .hero-stats .stat span { font-size: .82rem; color: #b9cbe4; }

  /* ---------- Sections ---------- */
  section { padding: 84px 0; }
  section.alt { background: var(--soft); }
  .section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
  .kicker {
    font-size: .78rem; letter-spacing: 1.6px; text-transform: uppercase;
    color: var(--orange); font-weight: 700;
  }
  .section-head h2 {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    color: var(--blue);
    margin: 10px 0 12px;
    letter-spacing: -.4px;
  }
  .section-head p { color: var(--muted); font-size: 1.05rem; margin: 0; }

  /* ---------- Services ---------- */
  .grid { display: grid; gap: 22px; }
  .grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 30px 26px;
    box-shadow: var(--shadow);
    transition: transform .18s, box-shadow .25s, border-color .2s;
  }
  .card:hover { transform: translateY(-4px); border-color: #b7cce7; box-shadow: 0 26px 50px -24px rgba(14,42,78,.5); }
  .card .ico {
    width: 52px; height: 52px; border-radius: 13px;
    display: grid; place-items: center;
    background: linear-gradient(140deg, var(--soft-2), #dbe7f6);
    color: var(--blue);
    margin-bottom: 18px;
  }
  .card .ico svg { width: 26px; height: 26px; }
  .card h3 { margin: 0 0 8px; font-size: 1.18rem; color: var(--blue); }
  .card p { margin: 0; color: var(--muted); font-size: .96rem; }
  .card ul { margin: 14px 0 0; padding-left: 18px; color: var(--muted); font-size: .9rem; }
  .card ul li { margin-bottom: 4px; }

  /* ---------- Process ---------- */
  .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
  .step { position: relative; padding: 28px 22px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
  .step::before {
    counter-increment: step; content: counter(step, decimal-leading-zero);
    font-size: 1.5rem; font-weight: 800; color: var(--orange); display: block; margin-bottom: 10px;
  }
  .step h4 { margin: 0 0 6px; color: var(--blue); font-size: 1.05rem; }
  .step p { margin: 0; color: var(--muted); font-size: .9rem; }

  /* ---------- Projects ---------- */
  .projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .project {
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 26px; background: var(--paper); box-shadow: var(--shadow);
    display: flex; flex-direction: column; gap: 10px;
  }
  .project .tag {
    align-self: flex-start;
    font-size: .72rem; letter-spacing: .8px; text-transform: uppercase; font-weight: 700;
    color: var(--blue); background: var(--soft-2); padding: 5px 12px; border-radius: 999px;
  }
  .project h3 { margin: 4px 0 0; font-size: 1.18rem; color: var(--ink); }
  .project p { margin: 0; color: var(--muted); font-size: .95rem; }
  .project .meta { margin-top: 6px; font-size: .82rem; color: #8893a0; display: flex; gap: 16px; flex-wrap: wrap; }
  .project .meta span b { color: var(--blue); }

  /* ---------- About ---------- */
  .about { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
  .about h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); color: var(--blue); margin: 8px 0 16px; }
  .about p { color: var(--muted); font-size: 1.02rem; }
  .about .checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
  .about .checks li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink); font-size: .98rem; }
  .about .checks li svg { flex: 0 0 auto; width: 22px; height: 22px; color: var(--orange); margin-top: 1px; }
  .about-panel {
    background: linear-gradient(160deg, var(--blue-deep), var(--blue));
    color: #eaf1fb; border-radius: 18px; padding: 36px; box-shadow: var(--shadow);
  }
  .about-panel h3 { margin: 0 0 18px; color: #fff; font-size: 1.25rem; }
  .about-panel .row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.14); font-size: .95rem; }
  .about-panel .row:last-child { border-bottom: 0; }
  .about-panel .row span { color: #b9cbe4; }
  .about-panel .row b { color: #fff; }

  /* ---------- Contact / CTA ---------- */
  .cta {
    background:
      radial-gradient(700px 360px at 85% 0%, rgba(240,123,24,.18), transparent 60%),
      linear-gradient(160deg, var(--blue-deep), var(--blue));
    color: #eaf1fb; border-radius: 22px; padding: 56px 48px;
    display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center;
    box-shadow: var(--shadow);
  }
  .cta h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); color: #fff; margin: 0 0 12px; }
  .cta p { color: #cfdcef; margin: 0 0 8px; }
  .contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
  .contact-list li { display: flex; gap: 14px; align-items: center; }
  .contact-list .ci {
    width: 44px; height: 44px; border-radius: 12px; flex: 0 0 auto;
    background: rgba(255,255,255,.1); display: grid; place-items: center; color: #ffd9b0;
  }
  .contact-list .ci svg { width: 22px; height: 22px; }
  .contact-list a, .contact-list span { color: #fff; font-size: 1rem; }
  .contact-list small { display: block; color: #b9cbe4; font-size: .8rem; }

  /* ---------- Footer ---------- */
  footer.site { background: #0b1f3a; color: #aebfd6; padding: 40px 0 30px; }
  footer.site .wrap { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
  footer.site .brand .name b { color: #fff; }
  footer.site .brand .name span { color: #7e93b4; }
  footer.site .brand img { filter: brightness(0) invert(1); opacity: .92; }
  footer.site nav { display: flex; gap: 20px; flex-wrap: wrap; }
  footer.site nav a { font-size: .9rem; color: #aebfd6; }
  footer.site nav a:hover { color: #fff; }
  .copyright { width: 100%; border-top: 1px solid rgba(255,255,255,.1); margin-top: 24px; padding-top: 18px; font-size: .82rem; color: #7e93b4; }

  /* ---------- Responsive ---------- */
  @media (max-width: 900px) {
    .grid.cols-3 { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
    .projects { grid-template-columns: 1fr; }
    .about { grid-template-columns: 1fr; gap: 30px; }
    .cta { grid-template-columns: 1fr; padding: 40px 28px; }
    .hero-stats { grid-template-columns: 1fr 1fr; gap: 24px 18px; }
    nav.menu { display: none; }
    nav.menu.open {
      display: flex; flex-direction: column; align-items: flex-start;
      position: absolute; top: 72px; left: 0; right: 0;
      background: #fff; border-bottom: 1px solid var(--line);
      padding: 18px 22px; gap: 14px;
    }
    .nav-toggle { display: block; }
  }
  @media (max-width: 520px) {
    .steps { grid-template-columns: 1fr; }
    .hero-stats { grid-template-columns: 1fr 1fr; }
    .brand .name span { display: none; }
  }

/* ===== Multipágina: arreglos y cabecera de páginas internas ===== */
/* El botón del menú debe conservar el relleno de pastilla (no el de los enlaces) */
nav.menu a.btn {
  padding: 10px 20px;
  color: #fff;
  border-bottom: none;
  line-height: 1.1;
}
nav.menu a.btn:hover { color: #fff; border-bottom: none; }
nav.menu a.btn.ghost { color: var(--blue); }

/* Estado activo del enlace de navegación de la página actual */
nav.menu a.active { color: var(--blue); border-bottom-color: var(--orange); }

/* Banda de cabecera para páginas internas (servicios, proyectos, etc.) */
.subhero {
  position: relative;
  color: #eaf1fb;
  background:
    radial-gradient(900px 420px at 82% -20%, rgba(240,123,24,.20), transparent 60%),
    linear-gradient(160deg, var(--blue-deep) 0%, var(--blue) 60%, #1a4a86 100%);
  overflow: hidden;
}
.subhero .wrap { position: relative; z-index: 2; padding: 64px 22px 56px; }
.subhero .eyebrow { margin-bottom: 14px; }
.subhero h1 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.1; margin: 6px 0 14px; color: #fff; letter-spacing: -.4px;
}
.subhero p { max-width: 640px; color: #d3e0f2; font-size: 1.06rem; margin: 0; }
.subhero .crumbs { font-size: .82rem; color: #b9cbe4; margin-bottom: 4px; }
.subhero .crumbs a { color: #cfe0f5; }
.subhero .crumbs a:hover { color: #fff; }

/* Cierre de página: CTA inferior reutilizable */
.page-foot-cta { padding: 0 0 84px; }

/* ===== Bloque destacado: Inteligencia Artificial ===== */
.ai-feature {
  position: relative;
  margin-top: 54px;
  border-radius: 22px;
  padding: 40px 38px;
  color: #eaf1fb;
  overflow: hidden;
  background:
    radial-gradient(680px 320px at 88% -10%, rgba(240,123,24,.22), transparent 60%),
    linear-gradient(155deg, var(--blue-deep) 0%, var(--blue) 58%, #1a4a86 100%);
  box-shadow: 0 26px 50px -28px rgba(22,62,112,.7);
}
.ai-feature .ai-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: #ffd9b3; background: rgba(240,123,24,.18);
  border: 1px solid rgba(240,123,24,.45);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 16px;
}
.ai-feature h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1.15; margin: 0 0 12px; letter-spacing: -.4px; }
.ai-feature > p { max-width: 760px; color: #d6e2f3; font-size: 1.05rem; margin: 0 0 26px; }
.ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.ai-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px; padding: 20px 18px;
  backdrop-filter: blur(2px);
}
.ai-card .ai-ico { width: 38px; height: 38px; color: #ffb877; margin-bottom: 12px; }
.ai-card .ai-ico svg { width: 100%; height: 100%; }
.ai-card h4 { color: #fff; font-size: 1.02rem; margin: 0 0 6px; }
.ai-card p { color: #cdd9ec; font-size: .92rem; margin: 0; line-height: 1.5; }
.ai-feature .ai-foot {
  margin-top: 22px; font-size: .88rem; color: #bccfe8;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.ai-feature .ai-foot b { color: #fff; }
@media (max-width: 760px) {
  .ai-grid { grid-template-columns: 1fr; }
  .ai-feature { padding: 30px 22px; }
}

/* ===== Cinturón de seguridad: ningún icono SVG inline debe crecer sin límite ===== */
.card .ico svg, .ai-card .ai-ico svg, .checks li svg, .contact-list .ci svg { width: 100%; height: 100%; }
.ai-badge svg { width: 14px; height: 14px; flex: 0 0 auto; }
/* Fallback global: SVG dentro de contenedores de icono nunca supera 48px */
.ico, .ai-ico, .ci { display: inline-flex; align-items: center; justify-content: center; }