.hero {
  position: relative;
  min-height: 100dvh;
  padding: calc(var(--header-height) + var(--space-6)) var(--page-gutter) var(--space-4);
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-media,
.hero-scrim {
  position: absolute;
  inset: 0;
}

.hero-media { z-index: -2; background: var(--color-bg); }

.hero-media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .8s ease;
}

.hero-media.is-video-ready video { opacity: 1; }
.hero-media.is-video-ready .hero-fallback { opacity: 0; }

.hero-fallback {
  position: absolute;
  inset: 0;
  background: var(--color-bg);
  transition: opacity .8s ease;
}

.hero-fallback img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(12,13,14,.94) 0%, rgba(12,13,14,.72) 34%, rgba(12,13,14,.12) 72%, rgba(12,13,14,.45) 100%),
    linear-gradient(0deg, rgba(12,13,14,.84) 0%, transparent 44%, rgba(12,13,14,.24) 100%);
}

.hero-copy {
  width: min(62vw, 840px);
  padding-top: var(--space-3);
}

.hero-kicker {
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 820px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(64px, 7.4vw, 118px);
  font-weight: 500;
  letter-spacing: -.06em;
  line-height: .82;
  text-transform: uppercase;
}

.hero-summary {
  max-width: 440px;
  margin-top: var(--space-4);
  color: #d0ccc4;
  font-size: 18px;
}

.hero-actions {
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.button {
  min-height: 50px;
  padding-inline: var(--space-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: transform .25s ease, background-color .25s ease, color .25s ease;
}

.button:hover { transform: translateY(-3px); }
.button:active { transform: translateY(1px); }
.button-primary { background: var(--color-accent); color: var(--color-accent-ink); }
.button-primary:hover { background: var(--color-text); }
.button-secondary { border-color: var(--color-line-strong); background: rgba(12,13,14,.38); }
.button-secondary:hover { background: var(--color-text); color: var(--color-bg); }

.hero-meta {
  position: absolute;
  left: var(--page-gutter);
  right: var(--page-gutter);
  bottom: var(--space-3);
  padding-top: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  border-top: 1px solid var(--color-line);
  color: #bbb7af;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.video-toggle {
  min-height: 44px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
}

.pause-glyph {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-line-strong);
}

@media (max-width: 767px) {
  .hero {
    min-height: 100dvh;
    padding: calc(var(--header-height) + var(--space-5)) 16px var(--space-4);
    align-items: flex-start;
  }

  .hero-fallback img { object-position: 50% 50%; }

  .hero-scrim {
    background:
      linear-gradient(0deg, rgba(12,13,14,.92) 0%, rgba(12,13,14,.42) 56%, rgba(12,13,14,.62) 100%),
      linear-gradient(90deg, rgba(12,13,14,.65), rgba(12,13,14,.12));
  }

  .hero-copy {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 117px;
    width: auto;
    padding-top: 0;
  }
  .hero h1 { font-size: clamp(52px, 15vw, 68px); line-height: .84; }
  .hero-summary { max-width: 330px; margin-top: var(--space-3); font-size: 16px; }
  .hero-actions { margin-top: var(--space-3); gap: var(--space-2); }
  .button { min-height: 48px; padding-inline: 18px; font-size: 12px; }
  .hero-meta { left: 16px; right: 16px; bottom: var(--space-2); }
  .hero-meta p { max-width: 210px; }
  .video-toggle > span:first-child { display: none; }
}

html[lang="zh-Hant"] .hero h1 {
  max-width: 900px;
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  font-size: clamp(68px, 6.4vw, 100px);
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.06;
}

html[lang="zh-Hant"] .hero-summary {
  max-width: 34em;
  line-height: 1.75;
}

@media (max-width: 767px) {
  html[lang="zh-Hant"] .hero h1 {
    font-size: clamp(44px, 13vw, 56px);
    letter-spacing: 0;
    line-height: 1.08;
  }
}