:root {
  --bg-color: #080808;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --border-color: rgba(255, 255, 255, 0.12);
  --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  overflow-x: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Main Hero Layout */
.hero-container {
  position: relative;
  width: 100%;
  max-width: 960px;
  min-height: 100vh;
  padding: 48px 24px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  text-align: center;
}

/* Center Stage Hero Card */
.hero-card {
  margin: auto 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Logo Section */
.logo-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 28px;
}

.hero-logo {
  max-width: 130px;
  max-height: 130px;
  object-fit: contain;
}

/* Solid Announcement Headline */
.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 16px;
}

/* Subtitle */
.hero-subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.6;
  margin-bottom: 36px;
}

/* Video Container & Player */
.video-container {
  width: 100%;
  max-width: 800px;
  border-radius: 16px;
  overflow: hidden;
  background-color: #000000;
  border: 1px solid var(--border-color);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  margin-bottom: 16px;
}

.hero-video {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  background-color: #000000;
}

/* Copyright Footer */
.hero-footer {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 32px;
}

.copyright-text {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

/* Responsive Rules */
@media (max-width: 640px) {
  .hero-container {
    padding: 36px 18px 24px;
  }

  .logo-wrapper {
    margin-bottom: 20px;
  }

  .hero-logo {
    max-width: 100px;
    max-height: 100px;
  }

  .hero-subtitle {
    margin-bottom: 24px;
  }

  .video-container {
    border-radius: 12px;
  }

  .hero-footer {
    padding-top: 20px;
  }
}