@import url('styles/header.css');
@import url('styles/vertical-menu.css');
@import url('styles/content.css');
@import url('styles/responsive.css');
@import url('styles/mobile/mobile-main.css');
@import url('styles/mobile/mobile-header.css');
@import url('styles/mobile/mobile-only-nav.css');


@import url('https://fonts.googleapis.com/css?family=Inter:400,700&display=swap');

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


body {
    font-family: 'Inter', Arial, sans-serif;
    background-color: #000;
    color: white;
    overflow-x: hidden;
    overflow-y: hidden;
}


.preloader {
  position: fixed;
  inset: 0;
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

/* Ẩn preloader khi hết animation */
.preloader--hidden {
  opacity: 0;
  pointer-events: none;
}

/* Logo fill animation */
.logo-fill {
  width: 150px;
  height: auto;
  
  mask-image: linear-gradient(to top, black 0%, black 0%, transparent 0%);
  -webkit-mask-image: linear-gradient(to top, black 0%, black 0%, transparent 0%);
  animation: fillUp 2.5s ease forwards;
}

@keyframes fillUp {
  0% {
    mask-image: linear-gradient(to top, black 0%, black 0%, transparent 0%);
    -webkit-mask-image: linear-gradient(to top, black 0%, black 0%, transparent 0%);
  }
  100% {
    mask-image: linear-gradient(to top, black 100%, black 100%, transparent 100%);
    -webkit-mask-image: linear-gradient(to top, black 100%, black 100%, transparent 100%);
  }
}



.content-container {
  opacity: 0;
  transition: opacity 0.5s ease;
  padding: 40px;
}

.content-container.visible {
  opacity: 1;
}