@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

:root{
    /* Color */
    --red: hsl(0, 78%, 62%);
    --cyan: hsl(180, 62%, 55%);
    --orange: hsl(34, 97%, 64%);
    --blue: hsl(212, 86%, 64%);
    --dark-blue: hsl(234, 12%, 34%);
    --gray-blue: hsl(229, 6%, 66%);
    --white: hsl(0, 0%, 100%);

    /* Font */
    --fs-title: clamp(23px, 7vw, 40px);
    --fs-footer: clamp(12px, 3vw, 16px);
}

*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base Styles (Mobile) */

body {
    font-family: 'Poppins', sans-serif;
    background-color: hsl(0, 0%, 100%);
    color: var(--gray-blue);
    font-size: 15px;
    margin: 0;
    padding: 4rem 1rem;
}

.header{
    text-align: center;
    max-width: 500px;
    margin: 0 auto 4rem;
}

.header h1 {
    font-size: var(--fs-title);
    font-weight: 200;
    color: var(--dark-blue);
    margin-bottom: 0;
}

.header h2{
    font-size: var(--fs-title);
    font-weight: 600;
    color: var(--dark-blue);
    margin: 0;
}

.header p{
    color: var(--dark-blue);
    margin-top: 1rem;
}

.card{
    background-color: var(--white);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.card-supervisor{
    border-top: 4px solid var(--cyan);
}

.card-team-builder{
    border-top: 4px solid var(--red);
}

.card-karma{
    border-top: 4px solid var(--orange);
}

.card-calculator{
    border-top: 4px solid var(--blue);
}

.card h3{
    color: var(--dark-blue);
    margin-top: 0;
    margin-bottom: 0.5rem;;
}

.card p{
    margin-bottom: 2rem;
}

.card .card-icon{
    display: block;
    margin-left: auto;
}



/* Desktop Design */

@media (min-width: 992px) {
    .cards-container{
        display: flex;
        justify-content: center;
        align-items: center;
        max-width: 1200px;
        margin: 0 auto;
        gap: 2rem;
    }

    .middle-cards{
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }

    
}
/* Footer */


.attribution { 
    font-size: var(--fs-footer) ; 
    text-align: center;
    color: var(--dark-blue);
    margin-top: 2rem;
 }

.attribution a { 
    color: hsl(228, 45%, 44%); 
    text-decoration: none;
    transition: background-color 0.3s ease;
    font-weight: 600;
}

.attribution a:hover { 
    background-color: var(--dark-blue);
    color: var(--white);
}