/*RESET CSS =================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  :root {
    font-size: 62.5%;

    --nav-height: 7.2rem;
}  

  html {
    scroll-behavior: smooth;
  }
  
  html,
  body {
    width: 100%;
    height: 100%;
  }
  
  ul {
    list-style: none;
  }
  
/*BASE =================== */
body {
    font-size: 1.6rem;
    text-align: center;
    font-weight: 700;
  
    overflow: overlay;
  }
  
  .wrapper {
    width: min(50rem, 100%);
    margin-inline: auto;
  
    padding-inline: 2.4rem;
  }
  
  section {
    padding-block: 10rem;
  }
  
  /*====  scrollbar ============================ */
  
  ::-webkit-scrollbar {
    width: 1rem;
    background-color: #0f0f0f;
  }
  
  ::-webkit-scrollbar-thumb {
    width: 1rem;
    background-color: #ffffff97;
  }
  
  /* NAVIGATION in ../navigation/navigation.css =================== */
  /* footer in ../footer/footer.css =================== */
  

/* NAVIGATION =================== */

nav {
    display: flex;
  
    height: var(--nav-height);
  
    position: fixed;
    top: 0;
  
    background-color: transparent;
    width: 100vw;
  
    z-index: 100;

    transition: all 300ms ease-in-out;
  }
  
  nav .wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  nav button path {
    stroke: var(--color-text);
  }
  
  nav path {
    stroke: var(--color-text);
  }
  
  nav .logo img {
    width: 15rem;
    opacity: 0;
    transition: all .5s ease-in-out;
  }

  nav.scroll .logo img {
    opacity: 1;
  }
  
  nav button {
    background: none;
    border: none;
    cursor: pointer;
  }
  
  nav .menu,
  nav .close-menu {
    position: fixed;
  }
  
  /* NAVIGATION ON SCROLL =================== */
  nav.scroll {
    backdrop-filter: blur(10px) saturate(100%);
    -webkit-backdrop-filter: blur(10px) saturate(100%);
    background-color: rgba(0, 0, 0, 0.700);
  }
  
  nav.scroll path {
    stroke: var(--color-text);
  }
  
  /* MENU EXPANDED =================== */
  body.menu-expanded {
    overflow: hidden;
  }
  
  body.menu-expanded > :not(nav) {
    visibility: hidden;
  }
  
  .menu,
  .close-menu,
  body.menu-expanded .open-menu {
    opacity: 0;
    visibility: hidden;
  }
  
  body.menu-expanded .menu,
  body.menu-expanded .close-menu {
    opacity: 1;
    visibility: visible;
  }
  
  .menu {
    transform: translateX(100%);
  }
  
  body.menu-expanded .menu {
    top: 0;
    right: 0;
    background-color: #151515;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 1600 800'%3E%3Cg %3E%3Cpath fill='%23181818' d='M486 705.8c-109.3-21.8-223.4-32.2-335.3-19.4C99.5 692.1 49 703 0 719.8V800h843.8c-115.9-33.2-230.8-68.1-347.6-92.2C492.8 707.1 489.4 706.5 486 705.8z'/%3E%3Cpath fill='%231b1b1b' d='M1600 0H0v719.8c49-16.8 99.5-27.8 150.7-33.5c111.9-12.7 226-2.4 335.3 19.4c3.4 0.7 6.8 1.4 10.2 2c116.8 24 231.7 59 347.6 92.2H1600V0z'/%3E%3Cpath fill='%231d1d1d' d='M478.4 581c3.2 0.8 6.4 1.7 9.5 2.5c196.2 52.5 388.7 133.5 593.5 176.6c174.2 36.6 349.5 29.2 518.6-10.2V0H0v574.9c52.3-17.6 106.5-27.7 161.1-30.9C268.4 537.4 375.7 554.2 478.4 581z'/%3E%3Cpath fill='%23202020' d='M0 0v429.4c55.6-18.4 113.5-27.3 171.4-27.7c102.8-0.8 203.2 22.7 299.3 54.5c3 1 5.9 2 8.9 3c183.6 62 365.7 146.1 562.4 192.1c186.7 43.7 376.3 34.4 557.9-12.6V0H0z'/%3E%3Cpath fill='%23232323' d='M181.8 259.4c98.2 6 191.9 35.2 281.3 72.1c2.8 1.1 5.5 2.3 8.3 3.4c171 71.6 342.7 158.5 531.3 207.7c198.8 51.8 403.4 40.8 597.3-14.8V0H0v283.2C59 263.6 120.6 255.7 181.8 259.4z'/%3E%3Cpath fill='%23202020' d='M1600 0H0v136.3c62.3-20.9 127.7-27.5 192.2-19.2c93.6 12.1 180.5 47.7 263.3 89.6c2.6 1.3 5.1 2.6 7.7 3.9c158.4 81.1 319.7 170.9 500.3 223.2c210.5 61 430.8 49 636.6-16.6V0z'/%3E%3Cpath fill='%231e1e1e' d='M454.9 86.3C600.7 177 751.6 269.3 924.1 325c208.6 67.4 431.3 60.8 637.9-5.3c12.8-4.1 25.4-8.4 38.1-12.9V0H288.1c56 21.3 108.7 50.6 159.7 82C450.2 83.4 452.5 84.9 454.9 86.3z'/%3E%3Cpath fill='%231b1b1b' d='M1600 0H498c118.1 85.8 243.5 164.5 386.8 216.2c191.8 69.2 400 74.7 595 21.1c40.8-11.2 81.1-25.2 120.3-41.7V0z'/%3E%3Cpath fill='%23191919' d='M1397.5 154.8c47.2-10.6 93.6-25.3 138.6-43.8c21.7-8.9 43-18.8 63.9-29.5V0H643.4c62.9 41.7 129.7 78.2 202.1 107.4C1020.4 178.1 1214.2 196.1 1397.5 154.8z'/%3E%3Cpath fill='%23161616' d='M1315.3 72.4c75.3-12.6 148.9-37.1 216.8-72.4h-723C966.8 71 1144.7 101 1315.3 72.4z'/%3E%3C/g%3E%3C/svg%3E");
    background-attachment: fixed;
    background-size: cover;
  
    width: 100vw;
    height: 100vh;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
  
    padding-top: var(--nav-height);
  
    transition: transform 300ms;
    transform: translateX(0);
  }
  
  .menu ul:nth-child(1) {
    display: flex;
    flex-direction: column;
    gap: 4.8rem;
  
    margin-bottom: 6rem;

    font-weight: 400;
    font-size: 2.4rem;
    line-height: 3.1rem;
  } 
  
  .menu ul li a {
    color: var(--color-text);
    text-decoration: none;
  
    transition: all 200ms ease-in-out;
  }
  
  .menu ul li a:hover {
    color: var(--secondary-color);
  }
  
  .menu .button {
    background-color: #d8d8d8;
    border-radius: 4rem;
    text-decoration: none;
  
    color: var(--color-text);
  
    display: inline-block;
    padding: 1.6rem 3.2rem;
  
    margin-top: 4.8rem;
    margin-bottom: 4rem;
  
    transition: all 200ms ease-in-out;
  }

  .menu .button button {
    font-weight: 700;
    font-size: 1.8rem;
    line-height: 2.3rem;
    color: #111111;
    text-transform: uppercase;
  }

  .menu .button:hover {
    background-color: var(--secondary-color);
  }
  
  .social-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3.2rem;
  }

  .social-links ion-icon {
    font-size: 3rem;
  }
  
  body.menu-expanded .logo,
  body.menu-expanded nav button {
    position: relative;
    z-index: 100;
  }
  
  body.menu-expanded button path {
    stroke: var(--color-text);
  }

  /* RESPONSIVE =================== */

@media (min-width: 768px) {
  .wrapper {
    width: min(80rem, 100%);
  }
}

@media (min-width: 1080px) {
  .wrapper {
    width: min(133rem, 100%);
  }

    /* reset =================== */
      nav#navigation .wrapper * {
        margin: 0;
        padding: 0;
        visibility: initial;
        display: initial;
        opacity: initial;
        flex-direction: initial;
        position: initial;
        font-weight: initial;
        font-size: initial;
        transform: initial;
        color: initial;
        background-color: initial;
      }

      nav#navigation .logo img {
        width: 20rem;
        opacity: 0;
        transition: all 500ms ease-in-out;
      }
    
      nav#navigation.scroll .logo img {
        opacity: 1;
      }
    
      nav#navigation .close-menu,
      nav#navigation .open-menu,
      nav#navigation .social-links {
        display: none;
      }
    
      nav#navigation .menu {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 70%;
      }
    
      nav#navigation .menu ul:nth-child(1) {
        display: flex;
        gap: 3.2rem;
      } 
    
      nav#navigation .menu ul li a {
        font-size: 2rem;
        font-weight: 500;
        opacity: .7;
      }

      nav#navigation .menu ul li a:hover {
        color: #fff;
        opacity: 1;
      }

      nav#navigation .menu a {
        color: #111111;
      }

      nav#navigation .menu a button {
        color: #111111;
        background-color: var(--color-text);
        padding: 1rem 2rem;
        transition: all 300ms ease-in-out;
        font-weight: 700;
        border-radius: 1rem;
      }
  
      nav#navigation .menu a:hover button {
        color: var(--color-text); 
        background-color: transparent;
        outline: 1px solid #d8d8d8;
      }

      nav#navigation .menu ul li:nth-child(6) {
        animation: entering 400ms ease-in-out backwards;
      }

      nav#navigation .menu ul li:nth-child(5) {
        animation: entering 400ms ease-in-out;
        animation-delay: 200ms;
      }

      nav#navigation .menu ul li:nth-child(4) {
        animation: entering 400ms ease-in-out backwards;
        animation-delay: 400ms;
      }

      nav#navigation .menu ul li:nth-child(3) {
        animation: entering 400ms ease-in-out backwards;
        animation-delay: 600ms;
      }

      nav#navigation .menu ul li:nth-child(2) {
        animation: entering 400ms ease-in-out backwards;
        animation-delay: 800ms;
      }
    
      nav#navigation .menu ul li:nth-child(1) {
        animation: entering 400ms ease-in-out backwards;
        animation-delay: 1000ms;
      }
    
    
      nav#navigation .menu li a {
        transition: all 300ms;
        color: var(--color-text);
      }
    
      nav#navigation .menu li a::after {
        content: '';
        width: 0%;
        height: 3px;
        background-color: var(--primary-color);
    
        position: relative;
        bottom: -2rem;
        left: -1rem;
        display: block;
    
        transition: width 200ms ease-in-out;
      }
    
      nav#navigation .menu li a:hover::after {
        padding-inline: 1rem;
        width: 100%;
      }    
    } 

  

  /* ANIMATIONS =================== */

  @keyframes entering {
    0% {
      transform: translateX(-200px);
      opacity: 0;
    }

    100% {
      transform: translateX(0);
      opacity: 1;
    }
  }