/* ============================================================
   chetalent.com — home
   ============================================================ */

:root {
  --color-bg: #000;
  --color-text: #fff;
  --color-muted: rgba(255, 255, 255, .65);
  --logo-size: 250px;
  --gap-contact: 40px;
  --ease-soft: cubic-bezier(.22, .61, .36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ---------- Video de fondo ---------- */

.hero__bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background-color: var(--color-bg);
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* blanco y negro */
  filter: grayscale(100%) contrast(1.25) brightness(1.1);
}

/* velo para que el logo y el texto siempre lean bien */
.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, .15) 0%, rgba(0, 0, 0, .55) 100%);
}

/* ---------- Contenido ---------- */

.hero {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px 88px;
  text-align: center;
}

.hero__logo {
  width: var(--logo-size);
  max-width: 70vw;
  height: auto;
  display: block;
  /* estado inicial: chico y blureado */
  opacity: 0;
  transform: scale(.72);
  filter: blur(18px);
  transition:
    opacity 1.1s var(--ease-soft),
    transform 1.4s var(--ease-soft),
    filter 1.2s var(--ease-soft);
  will-change: opacity, transform, filter;
}

.hero__logo.is-loaded {
  opacity: 1;
  transform: scale(1);
  filter: blur(0);
}

.hero__contact {
  margin-top: var(--gap-contact);
  display: inline-block;
  color: var(--color-text);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  padding: 12px 26px;
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 999px;
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity .9s var(--ease-soft) .45s,
    transform .9s var(--ease-soft) .45s,
    background-color .3s ease,
    border-color .3s ease,
    color .3s ease;
}

.hero__logo.is-loaded ~ .hero__contact,
.is-ready .hero__contact {
  opacity: 1;
  transform: translateY(0);
}

.hero__contact:hover,
.hero__contact:focus-visible {
  background-color: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-bg);
}

/* ---------- Footer ---------- */

.footer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px 20px calc(24px + env(safe-area-inset-bottom));
  text-align: center;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--color-muted);
  opacity: 0;
  transition: opacity 1s var(--ease-soft) .7s;
}

.is-ready .footer { opacity: 1; }

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
  :root {
    --logo-size: 200px;
    --gap-contact: 36px;
  }

  .hero { padding: 40px 20px 92px; }

  .hero__contact {
    font-size: 12px;
    padding: 11px 22px;
  }
}

@media (max-width: 380px) {
  :root { --logo-size: 170px; }
}

/* pantallas bajas / landscape en mobile */
@media (max-height: 480px) {
  :root {
    --logo-size: 150px;
    --gap-contact: 24px;
  }
}

/* ---------- Accesibilidad ---------- */

@media (prefers-reduced-motion: reduce) {
  .hero__logo,
  .hero__contact,
  .footer {
    transition-duration: .01ms;
    opacity: 1;
    transform: none;
    filter: none;
  }
}