/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap");
/*=============== VARIABLES CSS ===============*/
:root {
    --header-height: 3.5rem;
    /*========== Colors ==========*/
    /*Color mode HSL(hue, saturation, lightness)*/
    --first-color: hsl(220, 68%, 54%);
    --first-color-lighten: hsl(220, 68%, 97%);
    --title-color: hsl(220, 48%, 28%);
    --text-color: hsl(220, 12%, 45%);
    --body-color: hsl(0, 0%, 100%);
    /*========== Font and typography ==========*/
    /*.5rem = 8px | 1rem = 16px ...*/
    --body-font: "Poppins", sans-serif;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
    --smaller-font-size: .75rem;
    /*========== Font weight ==========*/
    --font-medium: 500;
    --font-semi-bold: 600;
    /*========== z index ==========*/
    --z-tooltip: 10;
    --z-fixed: 100;
}

@media screen and (min-width: 1024px) {
    :root {
        --normal-font-size: 1rem;
        --small-font-size: .875rem;
        --smaller-font-size: .813rem;
    }
}

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

body {
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--body-color);
    color: var(--text-color);
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
    max-width: 1120px;
    margin-inline: 1.5rem;
}

/*=============== HEADER ===============*/
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    box-shadow: 0 2px 8px hsla(220, 68%, 12%, 0.1);
    background-color: var(--body-color);
    z-index: var(--z-fixed);
}

/*=============== NAV ===============*/
.nav {
    height: var(--header-height);
}

.nav__data {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    display: inline-flex;
    align-items: center;
    column-gap: 0.25rem;
    color: var(--title-color);
    font-weight: var(--font-semi-bold);
    transition: color 0.3s;
}

    .nav__logo img.logo-img {
        height: 15px; /* adjust as needed */
        width: auto; /* keeps aspect ratio */
        display: block; /* removes extra gaps */
    }

    .nav__logo:hover {
        color: var(--first-color);
    }

.nav__toggle {
    position: relative;
    width: 32px;
    height: 32px;
}

.nav__toggle-menu, .nav__toggle-close {
    font-size: 1.25rem;
    color: var(--title-color);
    position: absolute;
    display: grid;
    place-items: center;
    inset: 0;
    cursor: pointer;
    transition: opacity 0.1s, transform 0.4s;
}

.nav__toggle-close {
    opacity: 0;
}

@media screen and (max-width: 1118px) {
    .nav__menu {
        background-color: var(--body-color);
        position: absolute;
        left: 0;
        top: 2.5rem;
        width: 100%;
        height: calc(100vh - 3.5rem);
        overflow: auto;
        padding-block: 1.5rem 4rem;
        pointer-events: none;
        opacity: 0;
        transition: top 0.4s, opacity 0.3s;
    }

        .nav__menu::-webkit-scrollbar {
            width: 0.5rem;
        }

        .nav__menu::-webkit-scrollbar-thumb {
            background-color: hsl(220, 12%, 70%);
        }
}

.nav__link {
    color: var(--title-color);
    font-weight: var(--font-semi-bold);
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s;
}

    .nav__link:hover {
        background-color: var(--first-color-lighten);
    }

/* Show menu */
.show-menu {
    opacity: 1;
    top: 3.5rem;
    pointer-events: initial;
}

/* Show icon */
.show-icon .nav__toggle-menu {
    opacity: 0;
    transform: rotate(90deg);
}

.show-icon .nav__toggle-close {
    opacity: 1;
    transform: rotate(90deg);
}

/*=============== DROPDOWN ===============*/
.dropdown__button {
    cursor: pointer;
}

.dropdown__arrow {
    font-size: 1.5rem;
    font-weight: initial;
    transition: transform 0.4s;
}

.dropdown__content, .dropdown__group, .dropdown__list {
    display: grid;
}

.dropdown__container {
    background-color: var(--first-color-lighten);
    height: 0;
    overflow: hidden;
    transition: height 0.4s;
}

.dropdown__content {
    row-gap: 1.75rem;
}

.dropdown__group {
    padding-left: 2.5rem;
    row-gap: 0.5rem;
}

    .dropdown__group:first-child {
        margin-top: 1.25rem;
    }

    .dropdown__group:last-child {
        margin-bottom: 1.25rem;
    }

.dropdown__icon i {
    font-size: 1.25rem;
    color: var(--first-color);
}

.dropdown__title {
    font-size: var(--small-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--title-color);
}

.dropdown__list {
    row-gap: 0.25rem;
}

.dropdown__link {
    font-size: var(--smaller-font-size);
    font-weight: var(--font-medium);
    color: var(--text-color);
    transition: color 0.3s;
}

    .dropdown__link:hover {
        color: var(--title-color);
    }

/* Rotate dropdown icon */
.show-dropdown .dropdown__arrow {
    transform: rotate(180deg);
}

/*=============== BREAKPOINTS ===============*/
/* For small devices */
@media screen and (max-width: 300px) {
    .dropdown__group {
        padding-left: 1.5rem;
    }
}
/* For large devices */
@media screen and (min-width: 1118px) {
    /* Nav */
    .nav {
        height: calc(var(--header-height) + 2rem);
        display: flex;
        justify-content: space-between;
    }

    .nav__toggle {
        display: none;
    }

    .nav__list {
        display: flex;
        column-gap: 3rem;
        height: 100%;
    }

    .nav li {
        display: flex;
    }

    .nav__link {
        padding: 0;
    }

        .nav__link:hover {
            background-color: initial;
        }
    /* Dropdown */
    .dropdown__button {
        column-gap: 0.25rem;
        pointer-events: none;
    }

    .dropdown__container {
        height: max-content;
        position: absolute;
        left: 0;
        right: 0;
        top: 6.5rem;
        background-color: var(--body-color);
        box-shadow: 0 6px 8px hsla(220, 68%, 12%, 0.05);
        pointer-events: none;
        opacity: 0;
        transition: top 0.4s, opacity 0.3s;
    }

    .dropdown__content {
        grid-template-columns: repeat(4, max-content);
        column-gap: 6rem;
        max-width: 1120px;
        margin-inline: auto;
    }

    .dropdown__group {
        padding: 4rem 0;
        align-content: baseline;
        row-gap: 1.25rem;
    }

        .dropdown__group:first-child, .dropdown__group:last-child {
            margin: 0;
        }

    .dropdown__list {
        row-gap: 0.75rem;
    }

    .dropdown__icon {
        width: 60px;
        height: 60px;
        background-color: var(--first-color-lighten);
        border-radius: 50%;
        display: grid;
        place-items: center;
        margin-bottom: 1rem;
    }

        .dropdown__icon i {
            font-size: 2rem;
        }

    .dropdown__title {
        font-size: var(--normal-font-size);
    }

    .dropdown__link {
        font-size: var(--small-font-size);
    }

        .dropdown__link:hover {
            color: var(--first-color);
        }

    .dropdown__item {
        cursor: pointer;
    }

        .dropdown__item:hover .dropdown__arrow {
            transform: rotate(180deg);
        }

        .dropdown__item:hover > .dropdown__container {
            top: 5.5rem;
            opacity: 1;
            pointer-events: initial;
            cursor: initial;
        }
}

@media screen and (min-width: 1152px) {
    .container {
        margin-inline: auto;
    }
}

/*=============== FOOTER BASE ===============*/
.footer {
    background: #ffffff; /* pure white */
    padding: 3rem 1.5rem 2rem;
    font-family: var(--body-font);
    color: var(--text-color);
    position: relative;
    overflow: hidden;
}

    /* Subtle background shading behind columns */
    .footer .footer-background {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(245, 247, 250, 0.6);
        z-index: 0;
    }

    /* Content above background */
    .footer .container,
    .footer .row,
    .footer .col {
        position: relative;
        z-index: 1;
    }

    /* Headings */
    .footer h4 {
        font-size: var(--normal-font-size);
        font-weight: var(--font-semi-bold);
        color: var(--title-color);
        margin-bottom: 1rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    /* Text links */
    .footer address,
    .footer p,
    .footer ul li,
    .footer a {
        font-size: var(--small-font-size);
        color: var(--text-color);
        line-height: 1.6;
        margin-bottom: 1rem;
    }

    .footer a {
        text-decoration: none; /* removes underline */
        transition: color 0.3s ease;
    }

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

    /*=============== LAYOUT ===============*/
    .footer .row {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        flex-wrap: wrap;
        gap: 2.5rem;
    }

    .footer .col {
        flex: 1;
        min-width: 220px;
        display: flex;
        flex-direction: column;
        margin-bottom: 1.5rem;
    }

    /* Container row for logos + social icons */
    .footer .footer-brand-social {
        display: flex;
        justify-content: space-between; /* logos left, icons right */
        align-items: center;
        flex-wrap: nowrap; /* wrap on small screens */
        gap: 1rem;
        margin-top: 2rem;
    }

    /* Partner logos */
    .footer .partners {
        width:max-content;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 1rem;
    }

.partner-logo {
    max-height: 40px;
    transition: transform 0.3s ease, filter 0.3s ease;
}

    .partner-logo:hover {
        transform: scale(1.05);
        filter: brightness(1.1);
    }

/* Social icons */
.footer .social {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    margin: 0;
    align-items: center;
}

    .footer .social li {
        list-style: none;
    }

    .footer .social a {
        color: var(--title-color);
        font-size: 1.4rem;
        padding: 0.4rem;
        border-radius: 50%;
        background: rgba(0,0,0,0.05);
        transition: background 0.3s, color 0.3s, transform 0.3s;
    }

        .footer .social a:hover {
            color: #fff;
            background: var(--first-color);
            transform: translateY(-3px);
        }
/*================ RESPONSIVE QUERIES =================*/

/* Mid-desktop / large tablets */
@media screen and (max-width: 1152px) {
    .footer .partners {
        gap: 0.8rem;
    }

    .partner-logo {
        max-height: 35px;
    }

    .footer .social a {
        font-size: 1.3rem;
        padding: 0.35rem;
    }
}

/* Small laptops / tablets */
@media screen and (max-width: 1118px) {
    .footer .footer-brand-social {
        flex-wrap: wrap; /* allow wrapping */
        gap: 0.8rem;
    }

    .footer .partners {
        border-right: none; /* remove vertical line for better fit */
        padding-right: 0;
        margin-bottom: 0.5rem;
    }

    .footer .social {
        padding-left: 0;
    }

    .partner-logo {
        max-height: 30px;
    }

    .footer .social a {
        font-size: 1.2rem;
        padding: 0.3rem;
    }
}

/* Very small screens */
@media screen and (max-width: 300px) {
    .footer .footer-brand-social {
        flex-direction: column; /* stack vertically */
        align-items: flex-start;
        gap: 0.5rem;
    }

    .footer .partners {
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 0.5rem;
    }

    .partner-logo {
        max-height: 25px;
    }

    .footer .social {
        gap: 0.5rem;
    }

        .footer .social a {
            font-size: 1rem;
            padding: 0.25rem;
        }
}


/*=============== COPYRIGHT ===============*/
.footer .copyright {
    font-size: var(--smaller-font-size);
    color: var(--text-color);
    text-align: center;
    margin-top: 2.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 1rem;
}

    .footer .copyright a {
        color: var(--first-color);
        font-weight: var(--font-medium);
    }

/*=============== RESPONSIVE QUERIES ===============*/

/* For very small devices (max-width: 300px) */
@media screen and (max-width: 300px) {
    .footer {
        padding: 2rem 1rem;
    }

        .footer .row {
            flex-direction: column;
            gap: 1.5rem;
        }

        .footer h4 {
            font-size: 0.9rem;
        }

        .footer address,
        .footer p,
        .footer ul li,
        .footer a {
            font-size: 0.75rem;
        }

        .footer .social a {
            font-size: 1rem;
            padding: 0.3rem;
        }

    .partner-logo {
        max-height: 30px;
    }
}

/* For tablets & small laptops (max-width: 1118px) */
@media screen and (max-width: 1118px) {
    .footer {
        margin-right:18px;
        padding: 1.5rem 0rem;
    }

        .footer .row {
            gap: 2rem;
        }

        .footer .col {
            min-width: 180px;
        }

    .partner-logo {
        max-height: 35px;
    }
}

/* For mid-desktops (max-width: 1152px) */
@media screen and (max-width: 1152px) {
    .footer .row {
        gap: 2rem;
    }

    .footer h4 {
        font-size: calc(var(--normal-font-size) - 0.1rem);
    }
}