:root {
    --blue: #0000FF;
    /* Pure blue */
    --navy-blue: #000080;
    /* Navy blue */
    --white: #FFFFFF;
    /* White */
    --black: #000000;
    /* Black */
    --deep-dark-blue: #001F3F;
    /* Very dark blue */
    --cyan: #00FFFF;
    /* Cyan */
    --cream-warm: #fff8e7;
    --cream-dark: #f0e6d2;
    --cream-warm-dark: #e8d9b5;
}

* {

    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'poppins', sans-serif;

    a {
        text-decoration: none;
    }

}

.border-divider {
    height: 1px;
    border: 0;
    margin: 0;
    padding: 0;
    background: var(--white);
    opacity: 1;
}


/* header starts here  */
.main-header {
    margin-bottom: 0;
    height: 60%;
    width: auto;
    background-image: url('../IMG/tree\ bg.jpg');
    background-color: var(--deep-dark-blue);
    background-blend-mode: multiply;
    background-size: contain;

    .navigation-bar {
        margin-left: 20px;
        padding: 0.9rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .menu-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 2rem;
        color: var(--white);
        cursor: pointer;
    }

    @media(max-width:768px) {
        .menu-toggle {
            display: block;
        }

        .navigation-bar {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .navigation-bar ul {
            display: none;
            flex-direction: column;
            width: 100%;
            text-align: center;
            gap: 0;
            order: 3;
        }

        .navigation-bar ul.show {
            display: flex;
        }

        .navigation-bar ul li {
            margin: 0;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
    }


    ul {
        display: flex;
        list-style: none;
        color: var(--white);
        padding-right: 10rem;
        font-size: 1rem
    }

    ul li {
        margin: 0 1rem;
        padding-right: 1rem;
    }

    ul li a {
        text-decoration: none;
        color: var(--white);
    }

    ul li a:hover {
        color: var(--cyan);
    }

    .logo img {
        height: 3rem;
        width: auto;
        flex-shrink: 0;
    }

    .navigation-bar .logo {
        flex: 0 0 auto;
        width: auto;
    }

    .navigation-bar .logo img {
        display: block;
        width: auto;
        height: 3rem;
        max-width: none;
        flex: 0 0 auto;
    }
}

body {
    background-color: var(--deep-dark-blue);
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

/* header section ends  */

/* hero starts here  */
.hero-section {
    background-image: url("../IMG/service\ heri.jpg");
    background-size: cover;
    background-color: var(--deep-dark-blue);
    background-blend-mode: color-burn;
    color: var(--cream-warm);
}

.hero-title {
    padding: 50px;
    margin: 0;

    h6 {
        color: var(--cyan);
        letter-spacing: 3px;
        margin-bottom: 20px;
    }

    h6::before {
        content: "";
        display: inline-block;
        width: 50px;
        height: 6px;
        background: linear-gradient(to right, var(--deep-dark-blue), var(--cream-warm));
        margin: auto 5px;
        vertical-align: middle;
    }

    h3 {
        font-size: 3rem;

        span {
            color: var(--cyan);
        }
    }

    p {
        margin-top: 20px;
        font-size: 1.5rem;
    }
}

.abt-us {
    background-color: var(--cream-warm-dark);
    color: var(--deep-dark-blue);
    gap: 0;

    h3 {
        padding: 2rem;
        text-align: center;
        font-size: 3rem;
    }

    .p {
        text-align: center;
        margin-top: 0;
        font-size: 1.3rem;
        font-weight: bold;
    }
}

.abt-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    padding: 30px 20px;
}

.abt-us-card {
    height: 32rem;
    padding: 20px;
    text-align: center;
    background-color: var(--white);
    box-shadow: 0.5px 10px var(--cream-warm-dark);
    transition: transform 0.3s ease, box-shadow 0.3s ease;

    >img {
        display: block;
        width: 100%;
        height: 150px;
        object-fit: cover;
        object-position: center;
        border-radius: 8px;
    }

    .bi {
        font-size: 4rem;
        color: var(--deep-dark-blue);
        margin-top: 20px;
    }

    h4 {
        font-size: 1.5rem;
        font-weight: bolder;
        margin-top: 15px;
        padding: 10px;
    }

    p {
        font-size: 1rem;
        font-weight: bold;

        .more-text {
            display: none;
        }

        .read-toggle {
            color: var(--deep-dark-blue);
            font-weight: 600;
            cursor: pointer;
            text-decoration: underline;
            margin-left: 4px;
        }
    }

    .abt-us-card:hover {
        transform: translateY(-20px);

    }
}

.how {
    background-color: var(--deep-dark-blue);
    color: var(--white);

    h5 {
        color: var(--cyan);
        text-align: center;
        padding: 30px;
        font-size: 0.7rem;
    }

    h5::before {
        content: "";
        display: inline-block;
        width: 50px;
        height: 6px;
        background: linear-gradient(to right, var(--deep-dark-blue), var(--cream-warm));
        margin: auto 5px;
        vertical-align: middle;
    }

    h3 {
        text-align: center;
        margin-top: -10px;
        font-size: 1.7rem;
    }

    p {
        text-align: center;
    }
}

.algorithm {
    align-items: center;
    text-align: center;
    padding: 30px;

    .list-grid {
        display: block;
        grid-template-columns: auto;

        .list-card {
            h6 {
                font-size: 0.7rem;
                color: var(--cyan)
            }

            .bi {
                font-size: 4.5rem;
                color: var(--cyan);
            }

            h4 {
                font-size: 1.5rem;
                padding: 5px;
                font-weight: bold;
            }

            p {
                font-size: 0.9rem;
            }
        }
    }
}

.why {
    background-color: var(--cream-warm);
    background-size: cover;
    color: var(--deep-dark-blue);
    height: 29rem;
    width: 100%;
    text-align: center;

    h6 {
        font-size: 0.75rem;
        padding: 30px;
        color: var(--black);
    }

    h6::before {
        content: "";
        display: inline-block;
        width: 50px;
        height: 6px;
        background: linear-gradient(to right, var(--deep-dark-blue), var(--cream-warm));
        margin: auto 5px;
        vertical-align: middle;
    }

    h4 {
        font-size: 1.5rem;
        color: var(--black);
        padding-bottom: 30px;
        padding: 30px;
    }

    ul {
        list-style: none;
        padding: 0;
    }

    ul li {
        padding: 10px;
        font-size: 1rem;
    }
}

.not-sure {
    background-image: url('../IMG/service\ hero.jpg');
    background-color: var(--deep-dark-blue);
    background-blend-mode: color-burn;
    background-size: cover;
    color: var(--white);
    text-align: center;
    padding: 30px;
    height: 25rem;

    h6 {
        font-size: 1rem;
        font-weight: bolder;
        /* margin-bottom: 20px; */
        color: var(--cyan);
        word-spacing: 5px;
        letter-spacing: 5px;
    }

    h6::before {
        content: "";
        display: inline-block;
        width: 50px;
        height: 6px;
        background: linear-gradient(to right, var(--deep-dark-blue), var(--cream-warm));
        margin: auto 5px;
        vertical-align: middle;
    }

    p {
        font-size: 2rem;
        padding-bottom: 20px;
    }

    a {
        padding: 20px;
        border-radius: 5px;
        border-color: none;
        background-color: var(--cream-warm);
        font-size: 1.5rem;
        list-style: none;
        text-decoration: none;
        color: var(--black);
    }

    a:hover {
        background-color: var(--black);
        color: var(--cyan);
    }
}

/* back to top  */
.back-to-top {
    position: fixed;
    right: 25px;
    bottom: 25px;
    z-index: 1000;
    display: none;
    width: 45px;
    height: 45px;
    border: 0;
    border-radius: 50%;
    background-color: var(--deep-dark-blue);
    color: var(--cyan);
    font-size: 1.4rem;
    cursor: pointer;
}

.back-to-top:hover {
    background-color: var(--white);
}

.back-to-top.show {
    display: block;
}

@media (max-width: 480px) {
    .back-to-top {
        right: 15px;
        bottom: 15px;
    }
}

/* back to top ends here  */


/* footer here  */

.main-footer {
    padding: 90px 0 30px;
    color: var(--white);
    background-image: url(../IMG/tree\ bg.jpg);
    background-color: var(--deep-dark-blue);
    background-blend-mode: multiply;
    background-size: cover;
    position: relative;
    width: 100%;
    line-height: 20px;

    .logo {
        height: 50px;
        width: auto;
    }

    .row {
        padding: 10px 15px 5px;
        justify-content: flex-start;
        margin: auto;
        gap: 10px;

        display: flex;
    }

    .col {
        padding: 5px;

        p {
            color: var(--cream-warm);
        }

        h5 {
            color: var(--cream-warm);
            font-size: 1.5rem;
        }

        ul {
            list-style: none;
            text-decoration: none;
            color: var(--cream-warm);
            padding: 0;
        }

        ul li {
            margin-bottom: 10px;
            padding: 0;
        }

        ul li:hover {
            color: var(--cyan);
            cursor: pointer;
        }

        a {
            list-style: none;
            text-decoration: none;
            color: var(--cream-warm);
        }

        a:hover {
            color: var(--cyan);
            cursor: pointer;
        }

        .bi {
            color: var(--cyan);
            font-size: 1.5rem;
            margin-right: 10px;
        }

        .social-icons i {
            color: var(--cream-warm);
            text-decoration: none;
            font-size: 2.5rem;
            gap: 10px;
        }

        .social-icons i:hover {
            color: var(--cyan);
            cursor: pointer;
        }

        &:nth-child(2),
        &:nth-child(3) {
            flex-basis: -15%;
        }
    }

    hr {
        width: 100%;
        border: 2px solid var(--cyan);
        margin: 20px auto;
    }

    .copyright {
        margin: 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 40px;
    }

    .copyright-links {
        display: flex;
        gap: 20px;
    }

    .copyright-links p:hover {
        color: var(--cyan);
        cursor: pointer;
    }

}

/* media query start here  */
/* Responsive layout */

@media (max-width: 768px) {
    .main-header {
        height: auto;
        background-size: cover;
    }

    .navigation-bar {
        margin-left: 0;
        padding: 0.75rem 1rem;
    }

    .main-header ul {
        padding-right: 0;
    }

    .open {
        height: auto;
        min-height: 420px;
        padding: 30px 20px;
        background-position: center;
    }

    .open h6,
    .open h3 {
        padding: 15px 0;
    }

    .open h3 {
        font-size: 2.2rem;
    }

    .all-btn {
        padding: 35px 20px;
    }

    .first-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 20px 15px;
    }

    .first-card img {
        height: 20rem;
    }

    .first-card h5 {
        font-size: 1.3rem;
    }

    .blog-btn-1,
    .blog-btn-2,
    .blog-btn-3,
    .blog-btn-4,
    .blog-btn-5,
    .blog-btn-6 {
        left: 15px;
        bottom: 8px;
    }

    .stay {
        padding: 30px 15px;
    }

    .stay p {
        font-size: 1.5rem;
    }

    .main-footer {
        padding: 50px 1rem 20px;
    }

    .main-footer .row {
        flex-direction: column;
        align-items: flex-start;
    }

    .main-footer .col {
        width: 100%;
    }

    .main-footer .copyright {
        flex-direction: column;
        gap: 10px;
        padding: 20px 0;
        text-align: center;
    }

    .main-footer .copyright-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .open h3 {
        font-size: 1.8rem;
    }

    .open h6 {
        font-size: 0.7rem;
    }

    .first-card img {
        height: 16rem;
    }

    .stay p {
        font-size: 1.25rem;
    }

    .all-btn .btn,
    .stay .btn {
        width: 100%;
        text-align: center;
    }
}