/* ============================================================================
   HOME — manifesto enxuto
   Duas cenas: promessa no hero e identidade no manifesto.
   ========================================================================== */

/* ---- hero ------------------------------------------------------------------ */
.home-hero {
  position: relative;
  min-height: min(88svh, 980px);
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
}
.hero-art {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-color: var(--ink-850);
  background-image:
    url('/img/art/home-hero.jpg'),
    radial-gradient(1000px 600px at 68% 40%, rgba(255, 181, 27, .26), transparent 65%),
    linear-gradient(to bottom, var(--ink-700), var(--ink-900));
  background-size: cover, auto, auto;
  background-position: center 30%;
  filter: saturate(1.24) brightness(1.08) contrast(1.04);
  transform: scale(1.008);
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(48% 70% at 78% 31%, rgba(104, 227, 239, .12), transparent 72%),
    linear-gradient(to right,
      rgba(2, 22, 20, .9) 0%,
      rgba(3, 31, 27, .68) 34%,
      rgba(3, 24, 21, .08) 64%,
      rgba(3, 22, 20, .18) 100%),
    linear-gradient(to bottom,
      rgba(2, 18, 17, .54),
      transparent 21%,
      transparent 64%,
      var(--ink-900) 98%);
}

.hero-content {
  position: relative;
  display: grid;
  justify-items: start;
  gap: 1.15rem;
  padding-block: clamp(8rem, 16vw, 11rem) clamp(5rem, 10vw, 7rem);
}

.hero-kicker {
  font-weight: 800;
  font-size: .82rem;
  letter-spacing: .27em;
  text-transform: uppercase;
  color: var(--gold-300);
  text-shadow: 0 2px 10px rgba(0, 15, 12, .9);
}

h1.hero-title {
  font-size: var(--type-display-home);
  background: linear-gradient(to bottom,
    #fffdf2 12%,
    var(--gold-200) 42%,
    var(--gold-300) 70%,
    var(--gold-400) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter:
    drop-shadow(0 4px 18px rgba(0, 12, 10, .92))
    drop-shadow(0 0 18px rgba(255, 212, 90, .2));
}

.hero-tagline {
  max-width: 700px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.35rem, 3vw, 2.15rem);
  line-height: 1.25;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-strong);
  text-shadow: 0 2px 14px rgba(0, 14, 12, .96);
}

.hero-text {
  max-width: 34rem;
  font-size: clamp(1.08rem, 1.7vw, 1.25rem);
  color: var(--text);
  text-shadow: 0 2px 10px rgba(0, 14, 12, .95);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: .55rem;
}

.hero-actions .btn--ghost {
  color: var(--gold-300);
  background: rgba(3, 17, 15, .48);
  border-color: rgba(255, 212, 90, .48);
  box-shadow: none;
  text-shadow: none;
}

.hero-actions .btn--ghost:hover {
  color: var(--gold-200);
  border-color: var(--gold-300);
  box-shadow: none;
}

/* motas de luz flutuantes (JS) */
.hero-motes-js {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-motes-js span {
  position: absolute;
  border-radius: 50%;
  background: var(--gold-300);
  box-shadow: 0 0 8px 2px rgba(255, 212, 90, .5);
  opacity: 0;
  animation: mote-float var(--dur, 12s) linear var(--delay, 0s) infinite;
}

.hero-motes-js span:nth-child(3n) {
  background: var(--arcane-300);
  box-shadow: 0 0 9px 2px rgba(104, 227, 239, .56);
}

.hero-motes-js span:nth-child(3n + 2) {
  background: var(--leaf-300);
  box-shadow: 0 0 9px 2px rgba(178, 232, 97, .48);
}

@keyframes mote-float {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  12% { opacity: var(--peak, .6); }
  85% { opacity: calc(var(--peak, .6) * .6); }
  100% {
    transform: translateY(-46vh) translateX(var(--driftx, 20px));
    opacity: 0;
  }
}

/* ---- responsivo ------------------------------------------------------------ */
@media (max-width: 720px) {
  .hero-art,
  .hero-video {
    background-position: 64% center;
    object-position: 64% center;
  }

  .hero-veil {
    background:
      linear-gradient(to bottom,
        rgba(2, 22, 20, .68) 0%,
        rgba(2, 22, 20, .23) 30%,
        rgba(2, 22, 20, .55) 70%,
        var(--ink-900) 99%),
      linear-gradient(to right, rgba(2, 22, 20, .62), rgba(2, 22, 20, .06));
  }

  .hero-content {
    gap: 1rem;
    padding-block: 7.5rem 5rem;
  }

  h1.hero-title {
    font-size: clamp(3rem, 15vw, 4.4rem);
  }

  .hero-tagline {
    font-size: clamp(1.2rem, 6vw, 1.6rem);
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

}

@media (max-width: 420px) {
  .hero-kicker {
    font-size: .72rem;
    letter-spacing: .2em;
  }

}

@media (prefers-reduced-motion: reduce) {
  .hero-video { display: none; }
  .hero-motes-js span { animation: none; }
}