:root {
    --background: #222222;
    --surface: #3F4644;
    --text-primary: #E5E7EB;
    --text-secondary: #9CA3AF;
    --accent: #000000;
    --accent-secondary: #1F2937;

    --hero-name: 3rem;
    --section-title: 2rem;
    --body-text: 1.2rem;
}

.poppins-semibold {
    font-family: "Poppins", sans-serif;
    font-weight: 600;
    font-style: normal;
    letter-spacing: 2px;
}

body {
    background-color: var(--background);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    font-family: "Inter", sans-serif;
    font-size: var(--body-text);
    font-weight: 400;
    font-style: normal;
    letter-spacing: 1px;
    line-height: 1.5;
}

section {
    padding: 2rem 3rem;
}

.darkButton {
    background-color: var(--accent);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    max-width: fit-content;
}

.lightButton {
    background-color: var(--background);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    max-width: fit-content;
}

.darkButton:hover,
.lightButton:hover {
    transform: scale(1.05);
}


/*##### header & nav styling #####*/
.navbar {
    background-color: var(--background);
    padding: 0.5rem 3rem;
    border-bottom: 1px solid rgb(250, 204, 21, 0.1);
}

.logo {
    width: 15rem;
    height: auto;
}

.navbar-toggler {
    color: var(--accent);
    background-color: var(--text-secondary);
}

.navbar-collapse {
    flex-grow: 0;
}



/* ###### hero section styling ########## */

.heroSection {
    background-color: var(--background);
    padding: 4rem 3rem;
}

.heroLeftDiv {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    padding: 0 2rem;
}

.heroRightDiv {
    background-color: var(--surface);
    padding: 2rem;
    border-radius: 1rem;
}

.heroButtonDiv {
    display: flex;
    gap: 2rem;
}

.heroLeftDiv a {
    text-decoration: none;
    color: rgb(250, 204, 21);
}

.heroLeftDiv a:hover {
    color: rgb(250, 204, 21, 0.3);
}

.githubButton {
    border: 2px solid rgb(250, 204, 21, 0.1);
}

.techIcon {
    width: 2rem;
    height: auto;
}

.skillsDiv a {
    text-decoration: none;
    color: var(--text-primary);
}

.skillsDiv {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
}

.skillsDiv h5 {
    background-color: rgb(156, 163, 175, 0.2);
    color: var(--text-primary);
    border: 1px solid rgb(250, 204, 21, 0.1);
    padding: 0.3rem;
    font-size: 1rem;
    border-radius: 0.5rem;
}

.skillsDiv h5:hover {
    background-color: var(--accent);
    color: var(--background);
    transition: background-color 0.3s ease, color 0.3s ease;
    transform: scale(1.05);
}


/*##### projects section styling #####*/
.projectContainer {
    display: grid;
    /* make 2 columns */
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.projectContainer>.card {
    background-color: var(--surface);
    color: var(--text-primary);
    border: none;
    border-radius: 1rem;
    padding: 1rem;
    width: 100%;
}

.projectContainer>.card:hover {
    background-color: rgb(250, 204, 21, 0.1);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    transform: scale(1.05);
}

.projectSection h2,
.skillSection h2 {
    background-color: var(--background);
    font-size: var(--section-title);
    border-bottom: 3px solid rgb(250, 204, 21, 0.1);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    text-align: center;
}

.imagediv {
    display: flex;
    align-items: center;
    justify-content: center;
}

.imagediv img {
    border-radius: 0.5rem;
    width: 100%;
    height: auto;
    object-fit: cover;
}

.projectButtons {
    display: flex;
    gap: 1rem;
}


/*##### footer styling #####*/
footer {
    margin-top: 2rem;
    background-color: var(--background);
    padding: 1rem 3rem;
    border-top: 1px solid rgb(250, 204, 21, 0.1);
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/*########## responsive design ##########*/
/* screens below 992px */
@media (max-width: 992px) {

    .heroSection,
    .projectSection {
        padding: 2rem 1rem;
    }

    .projectButtons {
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
    }
}

/* screens below 768px */
@media (max-width: 768px) {

    .heroSection,
    .projectSection {
        padding: 2rem;
    }

    .heroSection {
        gap: 2rem;
    }

    .heroLeftDiv {
        padding: 0;
    }

    .projectContainer {
        grid-template-columns: repeat(1, 1fr);
    }

    .projectButtons {
        gap: 0.5rem;
    }
}

/* screens below 525px */
@media (max-width: 525px) {

    .navbar {
        padding: 0.5rem 1rem;
    }

    .logo {
        width: 12rem;
        height: auto;
    }

    .heroLeftDiv {
        align-items: center;
        text-align: center;
        gap: 1rem;
    }

    .heroButtonDiv {
        gap: 0.5rem;
    }

    .skillsDiv h5 {
        font-size: 0.9rem;
    }

    .projectContainer>.card {
        font-size: 1rem;
    }

    .projectButtons {
        justify-content: center;
        align-items: center;
        gap: 0.5rem;
    }
}

/* screens below 400px */
@media (max-width: 400px) {

    .navbar {
        padding: 0.5rem 0.5rem;
    }

    .logo {
        width: 10rem;
        height: auto;
    }

    .heroButtonDiv {
        flex-direction: column;
        gap: 1rem;
    }

    .skillsDiv h5 {
        font-size: 0.8rem;
    }

    .projectContainer>.card {
        padding: 0.5rem;
    }

    .projectContainer h4 {
        font-size: 1.2rem;
    }

    .projectContainer h4,
    .projectContainer p {
        text-align: center;
    }

    footer {
        padding: 2rem 1rem;
    }
}