:root {
    --dark-blue: rgb(19,38,50);
    --blue: rgb(33,88,118);
    --light-blue: rgb(147,197,225);
    --lighter-blue: rgb(231,241,248);
    --light-grey: rgb(253,254,255);

    --text: rgb(70,70,70);
}

html, body {
    height: 100%;
    margin: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    line-height: 1.5;
    scroll-behavior: smooth;
    background-color: var(--light-grey);
}

.wrap {
    margin: auto;
    height: 100%;
    max-width: 1140px;
    padding-left: 1rem;
    padding-right: 1rem;
    overflow: hidden;
}


/**
* COLORS
*/
.bg-white {
    background-color: var(--light-grey);
}

.bg-light {
    background-color: var(--lighter-blue);
}

.bg-blue {
    background-color: var(--blue);
}

/**
* NAVBAR
**/

.header {
    width: 100%;
    max-height: 4rem;
    position: absolute;
    z-index: 10;
    transition: all 0.4s;
    overflow: hidden;
}

.navbar-contents {
    width: 100%;
    display: flex;
    flex-flow: wrap;
}

.navbar-logo {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.logo-img {
    height: 2.4rem;
    box-shadow: none;
}

.logo-text {
    position: relative;
    left: -0.625rem;
    top: 0.4rem;
    line-height: 4rem;
    font-size: 1rem;
    font-weight: bold;
    color: var(--dark-blue);
}

#logo-small {
    display: none;
}

.navbar-links {
    height: fit-content;
    padding: 0.25rem 0;
    margin-left: auto;
}

.navbar-links a {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--dark-blue);
    text-align: center;
    line-height: 3.5rem;
    padding: 0 1.25rem;
    text-decoration: none;
    transition: 0.4s;
}

.navbar-links a:hover, a.active {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 0.625rem;
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-blue);
    padding: 0.875rem;
    margin-left: auto;
}


/* DARK MODE */

.header.dark a, .header.light.expanded a {
    color: var(--light-grey);
}

.header.dark a:hover, 
.header.dark .active, 
.header.light.expanded a:hover, 
.header.light.expanded .active,
.header.expanded a:hover,
.header.expanded .active {
    color: var(--light-blue);
}

.header.dark {
    position: absolute;
    background-color: transparent;
    box-shadow: none;
}

.header.dark .navbar-links {
    float: right;
}

.header.dark .navbar-logo {
    display: none;
}

.header.dark .hamburger {
    color: var(--light-grey);
}

/* LIGHT MODE */

.header.light a {
    color: var(--dark-blue);
}

.header.light a:hover, .header.light .active {
    color: var(--blue);
}

.header.light {
    position: fixed;
    background-color: var(--light-grey);
    box-shadow: 0px 2px 4px 0px rgba(0,0,0,0.1);
}


/**
* SECTIONS
**/

.sections .wrap {
    padding: 4rem 1rem;
}

.row {
    display: flex;
    justify-content: center;
}


/**
* FOOTER
**/

.footer {
    background-color: var(--dark-blue);
    color: var(--light-grey);
}

.footer .wrap {
    padding: 1rem 0;
}

.footer .row {
    display: flex;
    vertical-align: middle;
    padding: 1.25rem 0;
    align-items: normal;
    justify-content: left;
}

.footer-profile-cell {
    flex: 35%;
    padding: 1rem 2rem;
}

.footer-company-cell {
    flex: 15%;
    padding: 1rem 2rem;
}

.footer-resources-cell {
    flex: 20%;
    padding: 1rem 2rem;
}

.footer-card-cell {
    flex: 30%;
    padding: 1rem 2rem;
}

.footer p, .footer a {
    display: block;
    color: rgba(255,255,255,0.5);
    padding: 0.625rem 0;
    text-decoration: none;
}

.footer a:hover {
    color: var(--light-grey);
}

p.copyright {
    padding-left: 2rem;
    padding-right: 2rem;
}


/**
* TEXTS
**/

h1,h2,h3,h4,p {
    margin: 0;
    padding: 0.625rem 0;
}

a {
    text-decoration: none;
}

h1.big {
    font-size: 3.75rem;
    line-height: 1.2;
    color: var(--light-grey);
}

h1 {
    color: var(--dark-blue);
}

h2 {
    font-size: 1.75rem;
    color: var(--dark-blue);   
}

h3 {
    color: var(--blue);
    padding: 0;
}

p, ul {
    color: var(--text);
    line-height: 1.75;
}

hr {
    display: inline-block;
    color: var(--light-blue);
    background-color: var(--light-blue);
    border: none;
    border-radius: 0.3rem;
    margin: 1.25rem 0;
    height: 0.6rem;
    width: 4.5rem;
}

hr.small {
    height: 0.25rem;
    width: 3rem;
    border-radius: 0;
    margin: 0 0 0.2rem;
}

button, input[type=submit] {
    font-size: 1rem;
    font-weight: bold;
    color: var(--light-grey);
    width: fit-content;
    height: 3rem;
    box-sizing: border-box;
    background-color: var(--blue);
    border: none;
    padding: 0.5rem 1.75rem;
    margin: 2rem 0 0 0;
    transition: 0.3s;
}

img {
    display: block;
    max-width: 27.5rem;
    max-width: 100%;
}

button:hover, input[type=submit]:hover {
    opacity: 0.85;
    cursor: pointer;
}

.b-0 {
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
}


@media (max-width: 1200px) {
    .sections .wrap {
        max-width: 960px;
    }

    h1.big {
        font-size: 3.5rem;
    }
}

@media (max-width: 992px) {
    .navbar-links {
        flex: 100%;
        background-color: var(--dark-blue);
    }

    .navbar-links a {
        display: block;
        text-align: left ;
        color: var(--light-grey);
    }

    .hamburger {
        display: inline;
    }
    
    .expanded .hamburger {
        background-color: var(--dark-blue);
        color: var(--light-grey);
    }

    .header.expanded {
        max-height: 20rem;
        background-color: transparent;
        box-shadow: none;
    }

    .header.expanded .navbar-logo {
        display: none;
    }

    .row {
        flex-wrap: wrap;
    }

    .footer .wrap, .sections .wrap {
        max-width: 720px;
    }

    h1.big  {
        font-size: 3.25rem;
    }
}


@media (max-width: 768px) {
    .sections .wrap {
        max-width: 540px;
        padding: 3rem 1rem;
    }

    h1.big {
        font-size: 2.75rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .footer-profile-cell {
        flex: 50%;
    }

    .logo-text {
        display: none;
    }

    #logo-small {
        display: block;
    }
}

@media (max-width: 320px) {
    .sections .wrap {
        padding: 3rem 0rem;
    }

    html {
        font-size: 12px;
    }
}


.red {
    color: red;
}