:root {
  --federal-blue: #03045e;
  --honolulu-blue: #0077b6;
  --pacific-cyan: #00b4d8;
  --non-photo-blue: #90e0ef;
  --light-cyan: #caf0f8;
  --accent-gray: #eff0f0;
  --accent-gold: #e7c118;
}

#arch-about-page {
    background-color: var(--accent-gray);
}

.about-hero {
    background-color: var(--federal-blue);
    color: var(--accent-gray);
    text-align: center;
    padding: 30px 0;
}

.about-hero h1 {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 3.9rem;
    width: 80%;
    margin: 0 auto;
}

.about-hero p {
    width: 60%;
    margin: 0 auto;
    padding: 10px 0 0 0;
    font-size: 1.2rem;
    line-height: 1.4rem;
}

.about-vision {
    margin-top: 40px;
    padding: 0 20px;
}

.about-vision h3 {
    font-size: 3.3rem;
    font-weight: bolder;
    color: var(--federal-blue);
    margin: 0;
    padding: 0;
}

.about-vision p {
    font-size: 1.2rem;
    line-height: 1.4rem;
    font-weight: 500;
}

.about-vision .highlight {
    color: var(--federal-blue);
    font-weight: 800;
}

.about-vision button {
    background-color: var(--federal-blue);
    color: var(--accent-gray);
    border: none;
    padding: 10px 20px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    margin-top: 20px;
    border-radius: 10px;
}

.about-merits {
    padding: 20px;
}

.excel {
    position: relative;
    background-color: var(--federal-blue);
    height: 700px;
    margin: 0 auto;
    border-radius: 30px;
    color: white;
    margin: 20px 0;
}

.excel p {
    position: absolute;
    justify-self: center;
    top: 300px;
    font-size: 3rem;
    text-align: center;
    line-height: 3.2rem;
}

.merit-div {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 20px;
}

.merit{
    background-color: var(--honolulu-blue);
    padding: 20px;
    border-radius: 20px;
    color: white;
    margin: 40px 0;
    text-align: center;
}

.merit .icon {
    font-size: 3rem;
}

/* media queries */
@media screen and (max-width: 500px) {
  /* main content */
  main {
    width: 95%;
    margin: 0 auto;
  }

  /* hero */
  .about-hero h1 {
    font-size: 2rem;
    line-height: 2.6rem;
    max-width: 100%;
  }

  /* vision */
  .about-hero h2 {
    font-size: 1.5rem;
    line-height: 2rem;
    max-width: 100%;
  }
  .about-vision h3 {
    font-size: 2.5rem;
  }
  .about-vision p {
    font-size: 1rem;
    line-height: 1.4rem;
    width: 90%;
  }
  
  /* merits */
    .excel {
        height: 300px;
        padding: 20px;
    }
    .excel p {
        top: 100px;
        font-size: 1.5rem;
    }
    .merit-div {
        grid-template-columns: 1fr;
    }
    .merit {
        width: 100%;
        margin: 0;
        padding: 0;
    }

  /* intro section */
  #arch-intro {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 0;
  }

  /* services */
  .services {
    grid-template-columns: 1fr;
    place-items: center;
  }
  .service {
    width: 80vw;
    border-radius: 10px;
  }

  /* projects */
  .arch-vision h3,
  .services-sect h3 {
    font-size: 2.5rem;
  }
  .arch-vision p,
  .services-sect p {
    font-size: 1.1rem;
    width: 90%;
  }
  .arch-projects {
    grid-template-columns: 1fr;
    place-items: center;
  }
  .arch-proj {
    width: 80vw;
    border-radius: 10px;
  }
}