/* ZetaCore landing — Idea A (hero + viaje + demo) */
.landing-hero {
  position: relative;
  isolation: isolate;
  min-height: min(100svh, 920px);
  display: flex;
  flex-direction: column;
  padding: 1rem var(--pad-page) 2.5rem;
  overflow: hidden;
}

.landing-hero__aura {
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background:
    radial-gradient(ellipse 55% 50% at 50% 35%, rgba(168, 85, 247, 0.28), transparent 70%),
    radial-gradient(ellipse 40% 35% at 75% 20%, rgba(91, 33, 182, 0.22), transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: landingAura 8s ease-in-out infinite alternate;
}

.landing-hero__scan {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(196, 181, 253, 0.04) 48%,
    transparent 52%,
    transparent 100%
  );
  background-size: 100% 220%;
  animation: landingScan 7.5s linear infinite;
  pointer-events: none;
  z-index: 0;
  opacity: 0.7;
}

@keyframes landingAura {
  from {
    transform: translateY(0) scale(1);
    opacity: 0.85;
  }
  to {
    transform: translateY(18px) scale(1.06);
    opacity: 1;
  }
}

@keyframes landingScan {
  from {
    background-position: 0 -40%;
  }
  to {
    background-position: 0 140%;
  }
}

.landing-nav {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto 1.5rem;
}

.landing-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: #f5f3ff;
  text-decoration: none;
  font-family: "Rajdhani", var(--font);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.landing-nav__logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.55), 0 0 18px rgba(124, 58, 237, 0.45);
}

.landing-nav__links {
  display: flex;
  gap: 1.1rem;
}

.landing-nav__links a {
  color: #c4b5fd;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color 0.15s ease;
}

.landing-nav__links a:hover {
  color: #faf5ff;
}

.landing-hero__stage {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  padding: 1rem 0 0.5rem;
}

.landing-hero__mark {
  margin-bottom: 1.1rem;
  animation: landingRise 0.7s ease-out both;
}

.landing-hero__logo {
  width: clamp(120px, 22vw, 188px);
  height: auto;
  border-radius: 50%;
  filter: drop-shadow(0 0 28px rgba(124, 58, 237, 0.55));
}

.landing-hero__brand {
  margin: 0 0 0.35rem;
  font-family: "Rajdhani", var(--font);
  font-size: clamp(2.4rem, 8vw, 4.2rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 0.95;
  color: #faf5ff;
  text-shadow: 0 0 40px rgba(168, 85, 247, 0.45);
  animation: landingRise 0.75s ease-out 0.05s both;
}

.landing-hero__title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.15rem, 3.4vw, 1.65rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #ddd6fe;
  animation: landingRise 0.75s ease-out 0.12s both;
}

.landing-hero__lead {
  margin: 0 auto 1.6rem;
  max-width: 34rem;
  font-size: clamp(0.98rem, 2.2vw, 1.08rem);
  line-height: 1.55;
  color: #a78bfa;
  animation: landingRise 0.75s ease-out 0.18s both;
}

.landing-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  animation: landingRise 0.75s ease-out 0.24s both;
}

.landing-cta {
  appearance: none;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.55rem;
  border-radius: 14px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  transition: transform 0.12s ease, filter 0.12s ease, box-shadow 0.12s ease;
}

.landing-cta--primary {
  color: #fff;
  background: linear-gradient(90deg, #4c1d95 0%, #6d28d9 40%, #7c3aed 70%, #a855f7 100%);
  box-shadow: 0 0 22px rgba(124, 58, 237, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.landing-cta--primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.6);
}

.landing-cta--ghost {
  color: #e9d5ff;
  background: rgba(10, 8, 18, 0.55);
  border: 1px solid rgba(167, 139, 250, 0.55);
  box-shadow: 0 0 14px rgba(124, 58, 237, 0.18);
}

.landing-cta--ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(216, 180, 254, 0.85);
  color: #fff;
}

.landing-hero__scroll {
  margin-top: 2.4rem;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  color: #a78bfa;
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.85;
  animation: landingRise 0.8s ease-out 0.35s both;
}

.landing-hero__scroll-arrow {
  width: 10px;
  height: 10px;
  border-right: 2px solid #c4b5fd;
  border-bottom: 2px solid #c4b5fd;
  transform: rotate(45deg);
  animation: landingBounce 1.4s ease-in-out infinite;
}

@keyframes landingRise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes landingBounce {
  0%,
  100% {
    transform: rotate(45deg) translateY(0);
  }
  50% {
    transform: rotate(45deg) translateY(5px);
  }
}

.landing-journey {
  position: relative;
  z-index: 1;
  padding: 0.5rem var(--pad-page) 2.5rem;
}

.landing-journey__inner {
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.landing-journey__step {
  padding: 1.25rem 1.15rem 1.35rem;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(18, 12, 32, 0.9), rgba(8, 6, 14, 0.92));
  border: 1px solid rgba(124, 58, 237, 0.38);
  box-shadow: 0 0 24px rgba(91, 33, 182, 0.12);
}

.landing-journey__num {
  display: block;
  font-family: "Rajdhani", var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: #a855f7;
  margin-bottom: 0.55rem;
}

.landing-journey__step h2 {
  margin: 0 0 0.45rem;
  font-size: 1.25rem;
  color: #f5f3ff;
}

.landing-journey__step p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
  color: #c4b5fd;
}

.landing-demo {
  position: relative;
  z-index: 1;
  padding: 0.25rem var(--pad-page) 1.5rem;
  max-width: 980px;
  margin: 0 auto;
}

.landing-demo__label-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.landing-demo__label {
  margin: 0;
  white-space: nowrap;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #c4b5fd;
}

.landing-demo__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(167, 139, 250, 0.55));
}

.landing-demo__line--flip {
  background: linear-gradient(90deg, rgba(167, 139, 250, 0.55), transparent);
}

.landing-demo .hero-video-block {
  margin: 0;
}

.landing-trial-intro {
  max-width: 40rem;
  margin: -0.35rem auto 1.1rem;
  text-align: center;
  color: #c4b5fd;
  font-size: 0.98rem;
  line-height: 1.5;
}

@media (max-width: 760px) {
  .landing-nav__links {
    display: none;
  }

  .landing-hero {
    min-height: auto;
    padding-bottom: 1.5rem;
  }

  .landing-journey__inner {
    grid-template-columns: 1fr;
  }

  .landing-hero__cta {
    width: 100%;
  }

  .landing-cta {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-hero__aura,
  .landing-hero__scan,
  .landing-hero__mark,
  .landing-hero__brand,
  .landing-hero__title,
  .landing-hero__lead,
  .landing-hero__cta,
  .landing-hero__scroll,
  .landing-hero__scroll-arrow {
    animation: none !important;
  }
}