/* ==========================================================
   BASE: reset, tipografía global y utilidades de layout
   ========================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  background-color: var(--color-bg);
  background-image: radial-gradient(900px 480px at 85% 8%, rgba(79, 209, 193, 0.07), transparent 65%);
  background-repeat: no-repeat;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }
ul, ol { padding: 0; }

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: var(--leading-snug);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p { text-wrap: pretty; }

/* Foco visible para quien navega con teclado */
:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 3px;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(1rem, 3vw, 7rem); }
.section--alt { background-color: var(--color-bg-alt); }

.section__head { max-width: 46rem; margin-bottom: var(--space-8); }
.section__title { font-size: var(--text-2xl); font-weight: 700; }
.section__lead {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 40em;
}

/* ---------- Utilidades ---------- */
.text-accent { color: var(--color-teal); }

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-orange);
  color: var(--color-on-orange);
  border-radius: var(--radius-sm);
  text-decoration: none;
}
.skip-link:focus { top: var(--space-4); }

/* Respeta a quien pide menos movimiento */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}