@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300..700&display=swap");

html {
  font-size: 10px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Space Grotesk", sans-serif;
  word-break: auto-phrase;
  scroll-behavior: smooth;
}

:root {
  --color-primary: #000;
  --color-secondary: #fff;
  --color-tertiary: #a0a0a0;
  --panel-color: rgba(0, 0, 0, 0.929);
  --header-background: rgba(255, 255, 255, 0.591);
  --whatsapp-color: #25d366;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 100px;
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  background-color: var(--header-background);

  nav {
    position: fixed;
    min-height: 100vh;
    top: 0;
    right: 0;
    bottom: 0;
    padding: 2rem;
    background: var(--panel-color);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    min-width: 60%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;

    ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 2rem;

      li {
        a {
          color: var(--color-secondary);
          text-decoration: none;
          font-size: 2rem;
          text-transform: uppercase;
        }
      }
    }
  }

  .logo {
    font-size: 2.4rem;
    font-weight: 700;
    text-transform: uppercase;
  }

  .hamburger-mobile {
    button {
      border: none;
      background: transparent;
      color: var(--color-primary);
      text-transform: uppercase;
      cursor: pointer;
      font-size: 1.6rem;

      &::before {
        content: "Menu";
      }
    }
  }

  .nav-open {
    transform: translateX(0);
    transition: transform 0.3s ease-in-out;
  }
}

header:has(.nav-open) {
  .hamburger-mobile {
    button {
      color: var(--color-secondary);
      position: relative;
      z-index: 1;

      &::before {
        content: "Fechar";
      }
    }
  }
}

/* Main */
main {
  section {
    padding-inline: 2rem;
    padding-block: 12rem;
  }

  section#initial {
    .container {
      display: flex;
      flex-direction: column;
      gap: 2rem;

      h1 {
        font-size: 1.6rem;
        font-weight: 400;
        text-transform: uppercase;
      }

      p.p-apresentation {
        font-size: 4.5rem;
        font-weight: 700;
        text-transform: uppercase;
      }

      p.p-description {
        font-size: 1.6rem;
      }

      div.cta-projetcs {
        button {
          border: 1px solid var(--color-primary);
          padding: 1.5rem 2rem;
          background: transparent;
          color: var(--color-primary);
          font-size: 1.6rem;
          text-transform: uppercase;
          cursor: pointer;
          transition: all 0.3s ease-in-out;
        }
      }
    }
  }

  section#about {
    padding: 2rem;
    padding-bottom: 12rem;

    .container {
      display: flex;
      flex-direction: column;
      gap: 2rem;

      h2 {
        font-size: 4.8rem;
        font-weight: 700;
        text-transform: uppercase;
      }

      h3 {
        font-size: 2.4rem;
        font-weight: 700;
      }

      p.about-description {
        font-size: 1.6rem;
      }

      .skills {
        .skill {
          display: flex;
          flex-wrap: wrap;
          gap: 1rem;

          span {
            font-size: 1.3rem;
            letter-spacing: 0.1rem;
            font-weight: 400;
            text-transform: uppercase;
            padding: 1rem;
            border: 1px solid var(--color-primary);
          }
        }
      }
    }
  }

  section#why-contract {
    color: var(--color-secondary);
    background-color: var(--color-primary);

    .container {
      h2 {
        font-size: 1.3rem;
        text-transform: uppercase;
        letter-spacing: 2px;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid var(--color-secondary);
        max-width: max-content;
        font-weight: normal;
      }

      h3 {
        font-size: 4.8rem;
        font-weight: 700;
        text-transform: uppercase;
        margin-block: 5rem;
      }

      .why-contract-description {
        display: flex;
        flex-direction: column;
        gap: 5rem;
        padding-top: 5rem;
        border-top: 1px solid var(--color-tertiary);

        .card {
          display: flex;
          flex-direction: column;
          gap: 1rem;

          h4 {
            font-size: 2rem;
            font-weight: 700;
            text-transform: uppercase;
          }

          p {
            font-size: 1.6rem;
            color: var(--color-tertiary);
            line-height: 1.5;
          }
        }
      }
    }
  }

  section#cases {
    .container {
      h2 {
        font-size: 1.3rem;
        text-transform: uppercase;
        letter-spacing: 2px;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid var(--color-primary);
        max-width: max-content;
        font-weight: normal;
      }

      h3 {
        font-size: 4.8rem;
        font-weight: 700;
        text-transform: uppercase;
        margin-block: 5rem;
      }

      .cases-description {
        display: flex;
        flex-direction: column;
        gap: 5rem;
        padding-top: 5rem;

        .card {
          display: flex;
          flex-direction: column;
          gap: 1rem;
          border-top: 1px solid var(--color-primary);
          padding-top: 2rem;
          padding-bottom: 2rem;

          h4 {
            font-size: 4.8rem;
            font-weight: 700;
            text-transform: uppercase;
          }

          p {
            font-size: 1.6rem;
            line-height: 1.5;
            margin-block: 2rem;
          }

          .skills-used {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;

            span {
              font-size: 1.3rem;
              letter-spacing: 0.1rem;
              font-weight: 400;
              text-transform: uppercase;
              padding: 1rem;
              border: 1px solid var(--color-primary);
            }
          }

          .card-case-img {
            margin-block: 2rem;
            img {
              width: 100%;
              max-width: 100%;
              max-height: 100%;
              object-fit: cover;
              height: auto;
            }
          }
        }
      }
    }
  }

  section#contact {
    background-color: var(--color-primary);

    .container {
      h2 {
        color: var(--color-secondary);
        font-size: 4.8rem;
        text-transform: uppercase;
      }

      .iniciar-projeto {
        button {
          border: 1px solid var(--color-secondary);
          padding: 1.5rem 2rem;
          background: transparent;
          color: var(--color-secondary);
          font-size: 1.6rem;
          text-transform: uppercase;
          cursor: pointer;
          margin-top: 2rem;
          transition: all 0.3s ease-in-out;
        }
      }

      .social-links {
        display: flex;
        gap: 1rem;
        margin-block: 2rem;

        a {
          i.fa-brands {
            font-size: 4rem;
            color: var(--color-primary);
            background-color: var(--color-secondary);
            padding: 1rem;
            border-radius: 0;
          }
        }
      }
    }
  }
}

footer {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  padding: 5rem;
  border-top: 1px solid var(--color-secondary);

  .container {
    display: flex;
    flex-direction: column;
    gap: 2rem;

    p {
      font-size: 1.6rem;
      text-align: start;
    }
  }
}

.card-case-img {
  a {
    .card-case-link {
      display: none;
    }
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .container {
    max-width: 1200px;
    margin: 0 auto;
  }

  section#initial {
    div.container {
      h1 {
        font-size: 4.8rem;
      }

      p.p-apresentation {
        font-size: 12rem;
      }

      p.p-description {
        font-size: 1.6rem;
      }

      div.cta-projetcs {
        button {
          transition: all 0.3s ease-in-out;
          &:hover {
            background-color: var(--color-primary);
            color: var(--color-secondary);
          }
        }
      }
    }
  }

  section#about {
    .container {
      .skills {
        max-width: 50%;
      }
    }
  }

  section#why-contract {
    .container {
      div.why-contract-description {
        flex-direction: row;
        justify-content: space-between;

        .card:nth-child(2) {
          border-left: 1px solid var(--color-secondary);
          border-right: 1px solid var(--color-secondary);
        }
        .card {
          padding: 2rem;
          max-width: 30%;
        }
      }
    }
  }

  section#cases {
    .container {
      .cases-description {
        div.card {
          flex-direction: row;
          justify-content: space-between;
          align-items: end;
          gap: 12rem;

          .card-case-infos {
            max-width: 50%;
          }

          .card-case-img {
            max-width: 50%;
            min-width: 50%;
            margin-block: 0;
            position: relative;
            display: flex;

            img {
              border: 1px solid var(--color-primary);
              display: block;
            }

            .card-case-link {
              opacity: 0;
              position: absolute;
              bottom: 0;
              right: 0;
              left: 0;
              top: 0;
              background-color: var(--color-primary);
              color: var(--color-secondary);
              padding: 1rem;
              border-radius: 0;
              display: flex;
              justify-content: center;
              align-items: center;
              text-transform: uppercase;
              font-weight: bold;
              text-decoration: underline;
              font-size: 4rem;
              transition: all 0.3s ease-in-out;
            }

            &:hover {
              .card-case-link {
                opacity: 1;
              }
            }
          }
        }
      }
    }
  }

  section#contact {
    div.container {
      h2 {
        font-size: 12rem;
      }

      a.iniciar-projeto {
        button {
          transition: all 0.3s ease-in-out;
          &:hover {
            background-color: var(--color-secondary);
            color: var(--color-primary);
          }
        }
      }

      .social-links {
        margin-top: 5rem;

        a {
          i.fa-brands {
            font-size: 4rem;
            color: var(--color-primary);
            background-color: var(--color-secondary);
            padding: 1rem;
            border-radius: 0;
            transition: all 0.3s ease-in-out;
            border: 1px solid var(--color-secondary);
            &:hover {
              background-color: var(--color-primary);
              color: var(--color-secondary);
            }
          }
        }
      }
    }
  }
}

.btn-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: var(--whatsapp-color);
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  transition:
    transform 0.3s ease,
    background-color 0.3s ease;
}

.btn-whatsapp svg {
  width: 35px;
  height: 35px;
  fill: var(--color-primary);
}

.btn-whatsapp:hover {
  transform: scale(1.1);
  background-color: var(--whatsapp-color);
}

@media (max-width: 768px) {
  .btn-whatsapp {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
  .btn-whatsapp svg {
    width: 28px;
    height: 28px;
  }
}