/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

html,
body {
  height: 100%;
}

body {
  min-height: 100%;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button,
input,
textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

ul {
  list-style: none;
}

/* ---------- Variables globales ---------- */
:root {
  /* color */
  --bg: #05070a;
  --bg-elevated: #0a0e15;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);

  --ink: #f4f6fa;
  --muted: #8b93a3;
  --muted-2: #5b6272;

  --accent-blue: #3d6bff;
  --accent-cyan: #22c7e8;
  --accent-green: #2fe8a6;
  --gradient: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan), var(--accent-green));

  --glow: 0 0 60px rgba(34, 199, 232, 0.16);

  /* tipografia */
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', monospace;

  /* layout */
  --container: 1180px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;

  /* movimiento */
  --ease: cubic-bezier(0.16, 0.84, 0.44, 1);
  --dur-fast: 0.25s;
  --dur: 0.6s;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

::selection {
  background: var(--accent-cyan);
  color: #05070a;
}

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