/* ════════════════════════════════════════
   BASE — Variables, Reset, Tipografía
   AdonisIA Landing · Mayo 2026
   ════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --mint: #3aafa9;
  --mint-dark: #2d8c87;
  --mint-light: #5ecdc7;
  --mint-50: #edfaf9;
  --slate: #2d6a8f;
  --slate-dark: #215070;
  --slate-50: #eaf2f8;
  --emerald: #2ecc8f;
  --emerald-dark: #25a674;
  --carbon: #2d3142;
  --offwhite: #f8f9fa;

  --font-display: "Sora", sans-serif;
  --font-body: "Plus Jakarta Sans", sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;

  --shadow-card: 0 4px 24px rgba(45, 106, 143, 0.09);
  --shadow-card-hover: 0 8px 32px rgba(45, 106, 143, 0.16);
  --shadow-cta: 0 4px 28px rgba(58, 175, 169, 0.42);
}

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

/* ── Scroll suave + offset para navbar fijo ── */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 66px;
  /* navbar(62) + margen(4) */
}

/* ── Body ── */
body {
  font-family: var(--font-body);
  background: var(--offwhite);
  color: var(--carbon);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* ── Skip link (accesibilidad teclado) ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  background: var(--mint);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid var(--carbon);
  outline-offset: 2px;
}

/* ── Focus visible global ── */
:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Utilidades tipográficas ── */
.font-display {
  font-family: var(--font-display);
}

.text-gradient {
  background: linear-gradient(90deg, var(--mint), var(--emerald));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Reveal on scroll ── */
.rv {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.rv.d1 {
  transition-delay: 0.1s;
}

.rv.d2 {
  transition-delay: 0.2s;
}

.rv.d3 {
  transition-delay: 0.3s;
}

.rv.d4 {
  transition-delay: 0.4s;
}

.rv.on {
  opacity: 1;
  transform: translateY(0);
}

/* ── Sección label (eyebrow) ── */
.section-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 10px;
}

/* ── Ancla de sección: ID helper ── */
.section-anchor {
  display: block;
  position: relative;
  top: -66px;
  /* compensa navbar fijo */
  visibility: hidden;
}