/* General Body and Color Scheme */
:root {
    --primary-blue: #003366;
    --dark-grey: #333333;
    --medium-grey: #666666;
    --light-grey: #f4f4f4;
    --white: #ffffff;
}

html{
    height: 100%;
}

body {
    font-family: "Open Sans", Tahoma, sans-serif;
    margin: 0;
    color: #6f6f6f;
    background-color: var(--white);
    height: 100%;
}

a {
    text-decoration: none;
    color: #4b8aff;
}

.container {
    width: 80%;
    margin: 0 auto;
    max-width: 1200px;
}

/* Header and Navigation */
.main-header {
    background-color: var(--white);
    padding: 1rem 0;
    border-bottom: 1px solid #ddd;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-blue);
    text-decoration: none;
}

.main-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    gap: 2rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--medium-grey);
}

/* Hero Section */
.hero-section {
    background-color: #0074cb;
    color: var(--white);
    text-align: center;
    padding: 5rem 0;
}

.hero-section h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.btn-primary {
    background-color: var(--white);
    color: var(--primary-blue);
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    display: inline-block;
    margin-top: 1rem;
}

/* General Content Sections */
.content-section {
    padding: 4rem 0;
}

.bg-beige{
    background-color: beige;
}

.page-title-section {
    background-color: var(--light-grey);
    padding: 2rem 0;
}

/* Footer */
.main-footer {
    background-color: #232323;
    color: #fff;
    padding: 1rem 0;
    font-size: 14px;
    /* position: fixed;
    bottom: 0; */
    width: 100vw;
}

/* Container for the cards */
.card-container {
    display: flex;
    flex-direction: row;
    gap: 24px; /* space between cards */
    margin-bottom: 3rem;
}

.about {
    flex: 1 1 30%;
    min-width: 250px;
    box-sizing: border-box;
    background: #fff;
    border-radius: 15px;
    /*
    padding: 16px;
    margin-bottom: 24px; */
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.about img{
    padding-top: 2rem;
}

.about-text{
    width: 80%;
    margin: auto;
    margin-top: 2rem;
}

.about-text .team-name{
    text-align: center;
    color: #002363;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.team-description{
    font-size: .9rem;
    margin-bottom: 2rem;
}

.solutions-card{
    /* background-color: #0c4cc3; */
    background-color: #fff;
    flex: 1 1 30%;
    max-width: 33%;
    min-width: 250px;
    box-sizing: border-box;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    color: #373636;
    text-align: center;
}

.solutions-card img{
    width: 125px;
}

.solution-heading{
    font-size: 1.6rem;
    margin-top: .5rem;
    margin-bottom: .5rem;
}

.solution-tagline{
    font-style: italic;
    font-size: 1rem;
}

.solution-text{
    margin-top: 1rem;
    color: #001d52;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* Each publication card */
.publication-card {
    flex: 1 1 30%;
    max-width: 33%;
    min-width: 250px;
    box-sizing: border-box;
    background: #fff;
    /* border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px; */
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.publication-card a{
    color: #003366;
}

.publication-card img{
    width: 100%;
    margin: auto;
    height: 250px;
}

.fiftywidth{
    width: 50%;
}

.about img{
    display: block;
    width: 200px;
    margin: auto;
}

.card-text{
    margin: 0;
    padding: 1rem;
    text-align: center;
}

.card-text:hover{
    background-color: #003366;
    color: white;
    cursor: pointer;
}

.empty-space{
    margin-top: 10rem;
    min-height: 1rem;
}

.intro img{
    box-sizing: border-box;
    background: #edf1f9;
}

.page-heading{
    font-size: 2.5rem;
    margin: auto;
    text-align: center;
    letter-spacing: 1px;
    padding-top: 1rem;
    padding-bottom: 1rem;
    color: #ffffff;
    margin-bottom: 1rem;
}

.text-content{
    font-size: 1.2rem;
    width: 70%;
    margin: auto;
    line-height: 2.25rem;
}

.center-text{
    width: 70%;
    margin: auto;
    margin-bottom: 2rem;
    color: #002363;
    font-size: 1.5rem;
}

.contact-btn{
    background-color: #001d52;
    color: #fff;
    border: 0;
    cursor: pointer;
    padding: .7rem;
    font-size: 1rem;
    border-radius: .6rem;
}

.contact-banner{
    width: 60%;
    margin: auto;
    color: #002363;
    box-sizing: border-box;
    background: #edf1f9;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    text-align: center;
    font-size: 1.75rem;
    letter-spacing: .2rem;
}

.contactus-banner{
    width: 60%;
    margin: auto;
    margin-top: 1.5rem;
    color: #002363;
    box-sizing: border-box;
    background: #edf1f9;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    text-align: center;
    font-size: 1.2rem;
    letter-spacing: .2rem;
}

.contactus-banner button{
    border: 0;
    cursor: pointer;
}

.wrapper{
    min-height: 100%;
}

.mobile-nav{
    display: none;
}

.mobile-nav-links{
    display: none;
}

.solution-image{
    padding-top: 1rem; z-index: 3;
}

.solution-image img{
    width: 500px; 
    height: 350px;
}

.solution-overlap-text{
    background-color: #f1f1f1;
    padding: 2rem; 
    margin-left: -60px; 
    z-index: 2; 
    width: 50%;
}

.solution-overlap-text p{
    font-size: 1.125rem; 
    color: #000; 
    width: 80%; 
    margin: auto;
}

.team-card{
    width: 80%; 
    margin: auto; 
    margin-bottom: 2rem;
}

/* Responsive: stack on small screens */
@media screen and (max-width: 768px) {
  /* CSS rules for screens up to 768px wide */
    .publication-card {
        flex-basis: 45%;
        max-width: 100%;
    }

    .main-nav {
        display: none;
    }

    .mobile-nav{
        display: block;
    }

    .card-container {
        flex-direction: column;
   }

   .mobile-nav-links{
    background-color: #e8e8e8;
    }

    .mobile-nav-links ul{
        margin: 0;
        padding: 0;
        list-style-type: none;
    }

    .mobile-nav-links li{
        text-align: center;
        padding: .5rem;
        border-bottom: 1px solid white;
    }

    .mobile-nav-links li a{
        color: #002363;
        font-size: 1.25rem;
    }

    .container{
        width: 90%;
    }

    .content-section{
        padding: 2rem;
    }

    .page-heading{
        font-size: 1.5rem;
    }

    .solutions-card{
        max-width: 100%;
    }

    .contact-banner{
        width: 100%;
    }
    
    .fiftywidth{
        width: 100%;
    }

    .center-text{
        width: 100%;
        font-size: 1.25rem;
    }

    .solution-image img{
        width: 100%; 
    }

    .solution-overlap-text{
        background-color: #f99898;
        padding: 0rem;
        margin-left: 0;
        z-index: auto;
        width: 100%;
    }

    .solution-overlap-text p{
       font-size: 1.125rem; 
       color: #000; 
       width: 100%; 
       margin: 0;
    }

    .main-footer{
        padding: .5rem;
        font-size: .8rem;
    }

    .team-card{
        width: 100%; 
        margin: auto; 
        margin-bottom: 2rem;
    }
}