:root {
  --white: #ffffff;
  --overlay: rgba(0, 0, 0, 0.56);
  --soft-glow: rgba(255, 255, 255, 0.36);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: #000;
}

.hero {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: subtleZoom 14s ease-in-out infinite alternate;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 28%, rgba(255, 255, 255, 0.12), rgba(0, 0, 0, 0.15) 28%, rgba(0, 0, 0, 0.75) 75%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.1), var(--overlay));
}

.hero::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(84vw, 980px);
  height: min(40vh, 360px);
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.04) 35%, transparent 72%);
  filter: blur(12px);
  z-index: 1;
  animation: auraPulse 6.5s ease-in-out infinite;
  pointer-events: none;
}

.hero__title {
  position: relative;
  z-index: 2;
  margin: 0;
  max-width: 980px;
  padding: 0 20px;
  text-align: center;
  color: var(--white);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(1.8rem, 4.3vw, 4.25rem);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: 0.015em;
  text-wrap: balance;
  text-shadow:
    0 0 24px var(--soft-glow),
    0 8px 38px rgba(0, 0, 0, 0.65),
    0 0 70px rgba(255, 255, 255, 0.14);
  animation: titleFadeIn 1.5s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero__line {
  display: inline;
}

.hero__word {
  display: inline-block;
  min-width: 10ch;
  font-style: italic;
  font-weight: 700;
  text-transform: lowercase;
  opacity: 1;
  filter: blur(0);
  color: #ffffff;
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.78),
    0 0 26px rgba(255, 255, 255, 0.45);
}

.hero__word.enter {
  animation: wordEnter 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hero__word.exit {
  animation: wordExit 350ms ease-in forwards;
}

.hero__logo {
  position: absolute;
  left: 50%;
  bottom: clamp(14px, 3.2vh, 36px);
  transform: translateX(-50%);
  width: clamp(170px, 26vw, 340px);
  height: auto;
  z-index: 2;
  opacity: 0.9;
  pointer-events: none;
}

@keyframes wordEnter {
  0% {
    opacity: 0;
    filter: blur(10px);
    transform: translateY(16px) scale(0.92);
    letter-spacing: 0.2em;
  }
  65% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(-1px) scale(1.04);
    letter-spacing: 0.06em;
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0) scale(1);
    letter-spacing: 0;
  }
}

@keyframes wordExit {
  0% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 0;
    filter: blur(9px);
    transform: translateY(-11px) scale(1.09);
  }
}

@keyframes subtleZoom {
  0% {
    transform: scale(1.04);
  }
  100% {
    transform: scale(1.1);
  }
}

@keyframes auraPulse {
  0%,
  100% {
    opacity: 0.45;
    transform: translate(-50%, -50%) scale(0.96);
  }
  50% {
    opacity: 0.82;
    transform: translate(-50%, -50%) scale(1.03);
  }
}

@keyframes titleFadeIn {
  0% {
    opacity: 0;
    transform: translateY(22px);
    letter-spacing: 0.08em;
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    letter-spacing: 0.015em;
  }
}

@media (max-width: 700px) {
  .hero__title {
    font-size: clamp(2.2rem, 9vw, 3.4rem);
    line-height: 1.08;
  }

  .hero__line {
    display: block;
  }

  .hero__line--bottom {
    margin-top: 0.2em;
  }

  .hero__word {
    min-width: 8ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__video,
  .hero::after,
  .hero__title,
  .hero__word.enter,
  .hero__word.exit {
    animation: none !important;
  }
}