@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;700&family=Montserrat:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600&display=swap');
:root{
  // Green Theme
  --color-primary: #ff7b02;
  --color-primary-variant: #e5a55d;
  --color-bg-1: #000e17;
  --color-bg-2: #001e2d;
  --color-bg-3: #012734;
  --color-bg-4: #003347;
  --color-light: #85a2b2;
  --color-white: hsl(0, 0%, 90%);

  // Purple Theme 
  --container-width-lg: 88%;
  --container-width-md: 92%;

  --transition: all 400ms ease-in-out;
}
*{
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  list-style: none;
  text-decoration: none;
  box-sizing: border-box;
}
body{
  font-family: 'Montserrat', sans-serif;
  background: var(--color-bg-3) url('./images/bg-texture.png');
  background-color: var(--color-bg-3);
  color: var(--color-light);
  line-height: 1.7;
}
::-webkit-scrollbar{
  width: 0.5rem;
  background: rgb(229, 165, 93, 0.2);
}
::-webkit-scrollbar-thumb{
  width: 100%;
  background: var(--color-primary-variant);
  border-radius: 0.25rem;
}
html{
  scroll-behavior: smooth;
}
h1,h2{
  line-height: 1.1;
  font-weight: 400;
}
h1{
  font-size: 4rem;
  color: var(--color-white);
}
h2{
  font-size: 3.5rem;
}
a{
  color: var(--color-light);
  transition: var(--transition);
  &:hover{
    color: var(--color-primary);
  }
}

.container{
  width: var(--container-width-lg);
  margin: 0 auto;
  max-width: 2160px;
}

img{
  display: block;
  object-fit: contain;
  width: 100%;
}

.empty{
  height: 3.5rem;
  width: 18rem;
  background: var(--color-bg-2);
  border-radius: calc(3.5rem / 2);
  margin-bottom: 3.5rem;
  box-shadow: inset 0 1rem 1rem rgba(0,0,0,0.4);
  border: 1px solid var(--color-bg-4);
}
// Start of Nav 
nav{
  height: 5rem;
  width: 100vw;
  display: grid;
  place-items: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;
}
// nav class on scroll using javascript 
.window-scrolled{
  background: var(--color-bg-2);
  border-bottom: 0.2rem solid var(--color-bg-3);
  box-shadow: 0 1rem 1rem rgba(0,0,0,0.3);
}
.nav_container{
  display: flex;
  height: 100%;
  justify-content: space-between;
  align-items: center;
  .nav_toggle-btn{
    display: none;
  }
  .nav_logo{
    width: 7.5rem;
  }
  .nav_links{
    display: flex;
    gap: 4rem;
  }
  .nav_social{
    display: flex;
    gap: 1rem;
    a{
      width: 2rem;
      height: 2rem;
      background:linear-gradient(var(--color-primary-variant), var(--color-primary));
      display: grid;
      // align-items: center;
      // justify-content: center;
      place-items: center;
      border-radius: 8px;
      color: var(--color-bg-4);
      &:hover{
        box-shadow: 0 1rem 1rem rgba(0,0,0,0.4);
      }
    }
  }
}
// end od nav 
// start of header 
header{
  max-width: 100vw;
  height: auto;
  top: 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(var(--color-bg-3), var(--color-bg-1));

  .header_container{
    display: grid;
    grid-template-columns: 43% 53%;
    gap: 4%;
    margin-top: 10rem;
    position: relative;
  }
  .header_left{
    transition: var(--transition);
    .header_image-bg{
      background: var(--color-bg-4);
      height: 22rem;
      width: 16rem;
      position: absolute;
    }
    .header_image-lg{
      width: 29rem;
      position: relative;
      top: 1rem;
      left: 1rem;
      filter: saturate(0) brightness(0.3);
      transition: var(--transition);
    }
    .header_image-sm{
      width: 28rem;
      height: 28rem;
      overflow: hidden;
      position: absolute;
      left: 6rem;
      top: 6rem;
      transition: var(--transition);
    }
    &:hover{
      .header_image-sm{
        opacity: 0;
      }
      .header_image-lg{
        filter: saturate(1) brightness(1);
        border: 1rem solid var(--color-bg-4);
        top: 0;
        left: 0;
      }
    }
  }
  .header_right{
    .header_head{
      display: flex;
      gap: 2rem;
      align-items: flex-start;
      .header_tag{
          color: var(--color-primary-variant);
      }
    }
    p{
      margin-top: 2rem;
      width: 85%;
    }
    // only shows on tablets and phones 
    .header_btn-md{
      display: none;
    }
  }
}
.header_frames{
  position: absolute;
  top: 100%;
  left: 40rem;
  transition: var(--transition);
  .header_frame{
    width: 14rem;
    border: 0.4rem solid var(--color-bg-3);
    box-shadow: 0 0 4rem rgba(0,0,0,0.5);
    position: absolute;
    transform: rotate(-10deg);
    transform-origin: bottom left;
    transition: var(--transition);
    &:nth-child(2){
      transform: rotate(20deg);
      top: -2rem;
      left: 2rem;
    }
  }
  &:hover{
    .header_frame{
      transform: rotate(0);
      &:nth-child(2){
        top: 0;
        left: 15rem;
      }
    }
  }
}
.contact_btn{
  color: var(--color-bg-1);
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: var(--transition);
  svg{
    font-size: 3.5rem;
    position: absolute;
  }
  p{
    font-size: 1rem;
    font-weight: 600;
    width: 10rem;
    height: 10rem;
    display: flex;
    justify-content: center;
    animation: spinText 30s linear infinite;
    span{
      position: absolute;
      transform-origin: 0.3rem 5rem;
    }
  }
}
.header_btn{
  background: linear-gradient(-30deg,var(--color-primary-variant),var(--color-primary),var(--color-primary-variant));
  position: absolute;
  right: 6%;
  bottom: -17rem;
  &:hover{
    box-shadow: 0 2rem 2rem rgba(0,0,0,0.3);
    transform: translateY(-1rem);
    color: var(--color-bg-1)
  }
}

@keyframes spinText {
  to{
    transform: rotate(360deg);
  }
}
// end of header 
// Satrt of About 
#about{
  margin-top: 18rem;
  .about-container{
    display: grid;
    grid-template-columns: 10rem 26rem auto;
    gap: 3rem;
    position: relative;
  }
  .about_title{
    position: absolute;
    top: -7rem;
    z-index: 1;
  }
  .about_btn{
    color: var(--color-primary-variant);
    align-self: end;
    &:hover{
      transform: translateY(-1rem);
      color: var(--color-primary);
    }
  }
  .about_image{
    position: relative;
    .about_image-bg{
      width: 16rem;
      height: 24rem;
      position: absolute;
      bottom: 0;
      background-color: var(--color-bg-4);
    }
    .about_image-lg{
      position: relative;
      left: 1rem;
      bottom: 1rem;
      filter: saturate(0) brightness(0.3);
      transition: 500ms ease-in-out;
    }
    .about_image-sm{
      position: absolute;
      top: 3rem;
      left: 8rem;
      width: 22rem;
      height: 22rem;
      overflow: hidden;
      box-shadow: 2rem 2rem 2rem rgba(0,0,0,0.2);
      transition: 500ms ease-in-out;
    }
    &:hover{
      .about_image-sm{
        opacity: 0;
      }
      .about_image-lg{
        filter: saturate(1) brightness(1);
        border: 1rem solid var(--color-bg-4);
        bottom: 0;
        left: 0;
        box-shadow: 0 3rem 3rem rgba(0,0,0,0.2);
      }
    }
  }
  .about_right{
    margin-left: 5rem;
    p{
      margin: 0 4rem 1.5rem 0;
    }
  }
}
// End of About 
// Start of Gallery 
#gallery{
  margin-top: 12rem;
  .swiper-container{
    overflow: hidden;
  }
  .gallery_head{
    display: flex;
    justify-content: space-between;
  }
  p{
    width: 45rem;
  }
  .swiper-wrapper{
    margin-top: 5rem;
    height: 37rem;
    padding-bottom: 5rem;
    .swiper-slide{
      border: 0.5rem solid var(--color-bg-4);
      height: fit-content;
      max-height: 36rem;
      overflow: hidden;
      transition: var(--transition);
      &:hover{
        box-shadow: 0 3rem 3rem rgba(0,0,0,0.4);
        img{
          filter: saturate(1);
        }
      }
      img{
        filter: saturate(0);
        transition: var(--transition);
      }
    }
  }
  
}
// End of Gallery 
// start of exhibitions
#exhibitions{
  margin-top: 10rem;
  .exhibitions_container{
    position: relative;
    .exhibitions_empty{
      width: 26rem;
      position: absolute;
      right: 14rem;
      top: 0;
    }
    .exhibitions_head{
      display: grid;
      grid-template-columns: auto 10rem;
      justify-content: space-between;
      align-items: center;
      > p{
        width: 35rem;
      }
      .exhibitions_btn{
        color: var(--color-primary-variant);
        transition: var(--transition);
        &:hover{
          color: var(--color-primary);
          transform: translateY(-1rem);
        }
      }
    }
  }
  .exhibitions_gallery{
    display: grid;
    grid-template-columns: repeat(3,1fr);
    margin-top: 5rem;
    gap: 2rem;
    article{
      border: 0.5rem solid var(--color-bg-4);
      transition: var(--transition);
      height: 100%;
      &:nth-child(1){
        grid-row: 1/3;
      }
      &:nth-child(4){
        grid-column: 2/4;
        grid-row: 2/3;
      }
      img{
        height: 100%;
        filter: saturate(0);
        transition: var(--transition);
        object-fit: cover;
      }
      &:hover{
        img{
          filter: saturate(1)
        }
      }
    }

  }
}
// end of exhibitions
// start of footer 
footer{
  margin-top: 7rem;
  .footer_container{
    border-top: 0.3rem solid var(--color-bg-4);
    padding-top: 5rem;
  }
  .footer_head{
    display: flex;
    gap: 2rem;
    align-items: center;
    img{
      width: 50%;
    }
  }
  .footer_links{
    display: flex;
    gap: 3rem;
    margin: 3rem 0 5rem;
    align-items: center;
  }
  .footer_copy{
    text-align: center;
    border-top: 0.2rem solid var(--color-bg-4);
    padding: 3rem;
    width: 70%;
    margin: auto;
    span{
      color: var(--color-primary)
    }
  }
}
// end of footer 

#btn-top{
  display: block;
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  font-size: 20px;
  background: var(--color-primary-variant);
  color: var(--color-bg-1);
  cursor: pointer;
}

@import "./main";


// place-items: center; => align-items: center; && justify-content: center;