:root {
  --bg: #07141f;
  --bg-soft: #0d2333;
  --surface: rgba(255, 255, 255, 0.07);
  --surface-strong: rgba(255, 255, 255, 0.12);
  --text: #f5fbff;
  --muted: rgba(245, 251, 255, 0.74);
  --accent: #3ea9ff;
  --accent-soft: rgba(62, 169, 255, 0.18);
  --accent-2: #8fe7ff;
  --line: rgba(160, 212, 255, 0.18);
  --shadow: 0 28px 80px rgba(0, 18, 34, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 80px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Source Sans 3", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(62, 169, 255, 0.24), transparent 28%),
    radial-gradient(circle at bottom right, rgba(143, 231, 255, 0.14), transparent 32%),
    linear-gradient(135deg, #05101a 0%, var(--bg) 45%, #0b2233 100%);
  overflow-x: hidden;
}

body::after {
  content: "";
  position: fixed;
  inset: -20%;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% 20%, rgba(62, 169, 255, 0.3), transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(143, 231, 255, 0.2), transparent 35%),
    radial-gradient(circle at 50% 80%, rgba(62, 169, 255, 0.15), transparent 40%),
    radial-gradient(circle at 30% 60%, rgba(143, 231, 255, 0.1), transparent 30%);
  filter: blur(40px);
  animation: drift 18s ease-in-out infinite alternate;
}

/* ==========================================================================
   GLOBAL FONT STACKS
   ========================================================================== */

.section-heading h2,
.hero-copy h1,
.contact h2,
.decision-band h3,
.panel-card strong,
.overview-card-main h3,
.service-block-content h3,
.page-hero h1 {
  font-family: "Montserrat", sans-serif;
}

/* Skip-to-content link (accesibilidad) */
.skip-link {
  position: absolute;
  top: -100%;
  left: 12px;
  z-index: 10000;
  padding: 12px 20px;
  border-radius: 0 0 12px 12px;
  background: var(--accent);
  color: #061421;
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 0;
}

/* Focus visible ring for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}

@keyframes drift {
  0% { transform: translate3d(-2%, -1%, 0) scale(1); }
  100% { transform: translate3d(2%, 1%, 0) scale(1.04); }
}

@keyframes pulseSoft {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.75; }
  50% { transform: translateX(-50%) scale(1.06); opacity: 1; }
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(143, 231, 255, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(143, 231, 255, 0); }
}