.site-header {
  width: 100%;
  height: 112px;
  padding: 0 7.2vw;
  background: #fff;
  border-bottom: 1px solid #eee;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .035);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  width: 390px;
  height: 92px;
  color: inherit;
  text-decoration: none;
  overflow: hidden;
}

.brand img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  display: block;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-header .talk-button {
  height: 52px;
  min-width: 240px;
  padding: 0 30px;
  border: 0;
  border-radius: 28px;
  background: #101214;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}

.site-header .talk-button:hover {
  background: #1b1d1f;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .12);
}

.chat-icon {
  width: 23px;
  height: 23px;
  border: 2px solid #fff;
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-icon::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  left: 1px;
  bottom: -4px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: skew(-20deg);
  background: #101214;
}

.chat-dots {
  display: flex;
  gap: 2.5px;
  position: relative;
  z-index: 2;
}

.chat-dots span {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #fff;
}

.site-header .logout-button {
  width: 52px;
  height: 52px;
  padding: 0;
  border-radius: 14px;
  border: 1.5px solid #b9cdbb;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.site-header .logout-button:hover {
  background: #f7faf7;
  border-color: #4d7c4b;
  transform: translateY(-1px);
  box-shadow: 0 7px 18px rgba(58, 100, 61, .12);
}

.logout-icon {
  width: 26px;
  height: 26px;
  position: relative;
}

.logout-door {
  position: absolute;
  right: 1px;
  top: 2px;
  width: 17px;
  height: 23px;
  border: 2.2px solid #4d7c4b;
  border-left: 0;
  border-radius: 1px;
}

.logout-arrow {
  position: absolute;
  left: 1px;
  top: 12px;
  width: 20px;
  height: 2.2px;
  background: #4d7c4b;
  border-radius: 3px;
}

.logout-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  width: 8px;
  height: 8px;
  border-right: 2.2px solid #4d7c4b;
  border-top: 2.2px solid #4d7c4b;
  transform: rotate(45deg);
}

.site-header .login-button {
  min-width: 190px;
}

@media (max-width: 1100px) {
  .site-header {
    padding: 0 4vw;
  }

  .brand {
    width: 310px;
  }

  .header-actions {
    gap: 18px;
  }

  .site-header .talk-button {
    min-width: 210px;
  }
}

@media (max-width: 750px) {
  .site-header {
    height: 82px;
    padding: 0 20px;
  }

  .brand {
    width: 186px;
    height: 58px;
  }

  .header-actions {
    gap: 9px;
  }

  .site-header .talk-button {
    width: 34px;
    min-width: 34px;
    height: 34px;
    padding: 0;
  }

  .site-header .talk-button span:last-child {
    display: none;
  }

  .site-header .login-button {
    width: auto;
    min-width: 104px;
    padding: 0 20px;
    font-size: 15px;
  }

  .chat-icon {
    width: 17px;
    height: 17px;
    border-width: 1.7px;
  }

  .site-header .logout-button {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  .logout-icon {
    transform: scale(.64);
  }
}

@media (max-width: 430px) {
  .site-header {
    padding: 0 14px;
  }

  .brand {
    width: 150px;
  }

  .site-header .login-button {
    min-width: 86px;
    height: 46px;
    padding: 0 16px;
  }
}