body, html {
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #000;
}

.video-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.48);
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 2s;
}
.video-overlay.visible {
  opacity: 1;
}
.video-background {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  z-index: 1;
}

#bg-video {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  position: absolute;
  top: 0; left: 0;
}

#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, #ff4200 0%, #ffd700 100%);
  z-index: 1000;
  transition: width 0.5s cubic-bezier(.4,1,.7,1);
  box-shadow: 0 1px 6px rgba(0,0,0,0.08);
}

.center-flex {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: center;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  gap: 32px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

.left-content {
  flex: 1 1 0;
  min-width: 0;
  max-width: 380px;
  display: flex;
  flex-direction: column;
}

.left-content > * {
  color: #fff;
  text-align: left;
  width: 100%;
  margin-left: 0;
  margin-right: 0;
}

#logo {
  width: 340px;
  max-width: 90vw;
  max-height: 50vh;
  margin-bottom: 32px;
  opacity: 1;
  transition: opacity 2s;
}

h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.2;
  margin-top: 0;
}

.center-content p {
  font-size: 1.1rem;
  margin: 0 0 16px 0;
}

.center-content em {
  color: #fff;
  font-style: italic;
  font-weight: 400;
}

.stars {
  color: #fff;
  font-size: 2rem;
  letter-spacing: 0.2em;
  margin-top: 10px;
  margin-bottom: 4px;
}

.expertise {
  color: #fff;
  font-size: 1.05rem;
  margin: 0 0 18px 0;
  font-weight: 500;
}

.widget-right {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  margin-top: 68px;
}
.widget-right img {
  max-width: 100%;
  height: auto;
  display: block;
}

.fadein {
  opacity: 0;
  transition: opacity 2s;
}
.fadein.visible {
  opacity: 1;
}

.footer-cf {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 18px;
  width: 100vw;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 18px;
  z-index: 20;
  pointer-events: none;
  transform: translateY(60px);
  transition: opacity 1.2s, transform 1.2s;
}
.footer-cf.visible {
  opacity: 1;
  transform: translateY(0);
}
.footer-cf:not(.visible) {
  opacity: 0;
}
.mail-btn {
  background: rgba(255,255,255,0.95);
  color: #222;
  border-radius: 24px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  padding: 8px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  transition: background 0.2s, color 0.2s, transform 0.2s;
  pointer-events: auto;
}
.mail-btn:hover {
  background: #222;
  color: #fff;
  transform: scale(1.05);
}
.copyright {
  color: #fff;
  font-size: 0.98rem;
  opacity: 0.85;
  pointer-events: auto;
}
@media (max-width: 600px) {
  .footer-cf {
    flex-direction: column;
    gap: 6px;
    font-size: 0.9rem;
    bottom: 8px;
  }
  .mail-btn {
    font-size: 0.95rem;
    padding: 7px 16px;
  }
}

@media (max-width: 900px) {
  .center-flex {
    flex-direction: column;
    align-items: center;
    gap: 18px;
    max-width: 98vw;
  }
  .widget-right {
    justify-content: center;
    width: 100%;
  }
  .left-content {
    max-width: 100%;
    align-items: center;
  }
  .left-content > * {
    text-align: center;
  }
}