:root{

    --bg-color: #f8fafc;
    --text-color: #1e293b;
  
    --hero-mainTitle-color: #1e293b;
    --hero-description-color: #64748b;

    --header-bg-color: #7c3aed;
    --nav-link-color: #ffffff;
    --header-mainTitle-color: #ffffff;
    --header-bottom-border-color: #7c3aed;

    --footer-bg-color: #7c3aed;
    --footer-text-color: #ffffff;
    --footer-bg-color: #7c3aed;
    --footer-text-color: #000000;
      --about-card: #ffffff;

    --about-text: #111827;
    --about-muted: #64748b;

    --about-primary: #4f46e5;
    --about-primary-soft: #eef2ff;

    --about-border: #e2e8f0;

    --about-shadow: 0 20px 40px rgba(0,0,0,0.08);

}

/* DARK THEME */
.dark{
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --hero-mainTitle-color: #ffffff;
    --hero-description-color: #94a3b8;
    --header-bg-color: #080f1f;
    --nav-link-color: #e2e8f0;
    --header-mainTitle-color: #ffffff;
    --header-bottom-border-color: #7c3aed;


    --footer-bg-color: #020617;
    --footer-text-color: #cbd5e1;
    --footer-bg-color: #000;
    --footer-text-color: #ffffff;

    --about-card: #1e293b;

    --about-text: #f8fafc;
    --about-muted: #94a3b8;

    --about-primary: #818cf8;
    --about-primary-soft: #312e81;

    --about-border: #334155;

    --about-shadow: 0 20px 40px rgba(0,0,0,0.3);


}

body{
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    user-select: none;
}

header{
    padding: 0 30px;
    color: var(--text-color);
    background-color: var(--header-bg-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 px;
    border-bottom: 2px solid var(--header-bottom-border-color);
}

header h1{
    font-size: 2rem;
    color: var(--header-mainTitle-color);
}

nav a{
    text-decoration: none;
   line-height: 1.5;
    color: var(--nav-link-color);
    margin: 0 10px;
    font-size: 1.2em;
}



.mainTitle{
    padding: 0 20px;
    font-weight: 800;
    font-size: 4rem;
    color: var(--hero-mainTitle-color);
    text-align: center;
    margin: 20px 0;

}

.description{
    color: var(--hero-description-color);
    text-align: center;
    font-size: 1.2em;
    margin-bottom: 20px;
}

    footer{
        background-color: var(--footer-bg-color);
        color: var(--footer-text-color);
        text-align: center;
        padding: 20px;
    }

    footer p{
        text-align: center;
        font-size: 1.2em;
        margin: 0;
    }

    .about {

    background: var(--about-bg);

    padding: 80px 20px;

    color: var(--about-text);

    min-height: 100vh;

    transition: background .3s ease;

}



.about .container {

    max-width: 1100px;

    margin: auto;

}


.about .badge {

    display: inline-flex;

    align-items: center;

    gap: 8px;

    padding: 8px 16px;

    border-radius: 50px;

    background: var(--about-primary-soft);

    color: var(--about-primary);

    font-weight: 600;

    font-size: .9rem;

    margin-bottom: 25px;

}



/* Heading */

.about h1 {

    font-size: clamp(2.5rem,5vw,4rem);

    line-height: 1.1;

    letter-spacing: -1px;

    margin-bottom: 25px;

}



.about .lead {

    max-width: 700px;

    color: var(--about-muted);

    font-size: 1.1rem;

    line-height: 1.8;

    margin-bottom: 60px;

}



/* Cards */

.about .cards {

    display: grid;

    grid-template-columns: repeat(
        auto-fit,
        minmax(260px,1fr)
    );

    gap: 25px;

}



/* Individual Card */

.about .card {

    background: var(--about-card);

    border: 1px solid var(--about-border);

    border-radius: 20px;

    padding: 30px;

    box-shadow: var(--about-shadow);

    transition:

        transform .3s ease,

        border-color .3s ease,

        box-shadow .3s ease;

}



.about .card:hover {

    transform: translateY(-8px);

    border-color: var(--about-primary);

}



/* Icons */

.about .icon {

    width: 55px;

    height: 55px;

    display: flex;

    justify-content: center;

    align-items: center;

    border-radius: 16px;

    background: var(--about-primary-soft);

    font-size: 1.8rem;

    margin-bottom: 20px;

}



.about .card h3 {

    font-size: 1.3rem;

    margin-bottom: 12px;

}



.about .card p {

    color: var(--about-muted);

    line-height: 1.7;

}



/* Reveal Animation */

.reveal {

    opacity: 0;

    transform: translateY(40px);

    transition:

        opacity .7s ease,

        transform .7s ease;

}



.reveal.active {

    opacity: 1;

    transform: translateY(0);

}



/* Mobile */

@media(max-width:600px){


    .about {

        padding: 50px 16px;

    }


    .about h1 {

        font-size: 2.3rem;

    }


    .about .lead {

        font-size: 1rem;

    }


}

@media (max-width: 600px) {

    header {
        padding: 10px 15px;
        flex-direction: column;
        gap: 5px;
    }

    header h1 {
        font-size: 1.6rem;
        margin: 0;
    }

    nav {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    nav a {
        flex: 1;
        text-align: center;
        margin: 0;
        padding: 8px 0;
        font-size: 1rem;
    }
}