intc-website/src/components/less/header.less

@import "./mixin.less";

.@{prefix}-header {
  width: 100%;
  height: 76px;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  color: #e8fbff;
  background:
    radial-gradient(circle at 18% 0%, rgba(70, 219, 255, .12), transparent 30%),
    linear-gradient(180deg, #061321 0%, #020812 100%);
  border-bottom: 1px solid rgba(91, 226, 255, .14);
  box-shadow: 0 16px 46px rgba(0, 0, 0, .28);
  backdrop-filter: blur(12px);

  &:before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(85, 228, 255, .82), transparent);
    opacity: .36;
  }

  &:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    background-image:
      linear-gradient(rgba(91, 226, 255, .024) 1px, transparent 1px),
      linear-gradient(90deg, rgba(91, 226, 255, .024) 1px, transparent 1px);
    background-size: 44px 44px;
    opacity: .36;
  }

  .@{prefix}-header__inner {
    width: calc(100% - 44px);
    max-width: 1240px;
    height: 76px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .@{prefix}-brand-mark {
    width: 232px;
    height: 62px;
    margin: 0;
    flex: 0 0 auto;
    padding: 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    transition: transform .24s ease;

    &:hover {
      transform: translateY(-1px);
    }
  }

  .@{prefix}-logo {
    width: 232px;
    height: auto;
    margin: 0;
    display: block;
    object-fit: contain;
    filter: brightness(0) invert(1) drop-shadow(0 0 14px rgba(113, 239, 255, .38));
    opacity: 1;
    transition: filter .24s ease, opacity .24s ease, transform .24s ease;

    &:hover {
      filter: brightness(0) invert(1) drop-shadow(0 0 18px rgba(113, 239, 255, .52));
      transform: translateY(-1px);
    }
  }

  .@{prefix}-logo-text {
    height: 44px;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
  }

  .@{prefix}-logo-text a {
    position: relative;
    height: 38px;
    padding: 0 16px;
    display: inline-flex;
    align-items: center;
    color: #c7eef6;
    font-size: 14px;
    font-weight: 700;
    line-height: 38px;
    text-decoration: none;
    white-space: nowrap;
    border: 1px solid rgba(105, 226, 255, .26);
    border-radius: 8px;
    background: linear-gradient(180deg, rgba(15, 49, 74, .64), rgba(5, 21, 39, .72));
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, .08),
      0 10px 24px rgba(0, 0, 0, .12);
    transition: color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease, box-shadow .22s ease;

    &:before {
      content: '';
      width: 6px;
      height: 6px;
      margin-right: 8px;
      border-radius: 50%;
      background: #48e1ff;
      box-shadow: 0 0 12px rgba(72, 225, 255, .9);
    }

    &:after {
      content: '';
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 4px;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(122, 243, 255, .65), transparent);
      opacity: 0;
      transition: opacity .22s ease;
    }
  }

  .@{prefix}-logo-text a:hover {
    color: #fff;
    border-color: rgba(122, 243, 255, .7);
    background: linear-gradient(180deg, rgba(20, 75, 105, .78), rgba(7, 33, 57, .88));
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(25, 187, 226, .14);

    &:after {
      opacity: 1;
    }
  }

  .@{prefix}-header__actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
  }

  .@{prefix}-button {
    margin: 0;
    flex: 0 0 auto;
  }

  .@{prefix}-rightcol {
    width: 46px;
    height: 40px;
    margin-left: auto;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid rgba(105, 226, 255, .36);
    border-radius: 8px;
    background: rgba(10, 36, 58, .78);
    box-shadow: 0 0 24px rgba(72, 225, 255, .16);
    cursor: pointer;

    span {
      width: 20px;
      height: 2px;
      display: block;
      background: #dffbff;
      box-shadow: 0 0 10px rgba(72, 225, 255, .7);
    }
  }
}

@media (max-width: 1120px) {
  .@{prefix}-header {
    .@{prefix}-logo-text {
      display: none;
    }

    .@{prefix}-rightcol {
      display: flex;
    }
  }
}

@media (max-width: 768px) {
  .@{prefix}-header {
    height: 88px;

    .@{prefix}-header__inner {
      width: calc(100% - 28px);
      height: 88px;
      gap: 12px;
    }

    .@{prefix}-brand-mark {
      width: 202px;
      height: 58px;
    }

    .@{prefix}-logo {
      width: 202px;
      height: auto;
    }

    .@{prefix}-header__actions {
      display: none;
    }
  }
}