/* ================================================================
   EDULYNK WEBSITE
   Global stylesheet
   ================================================================ */


/* ----------------------------------------------------------------
   ROOT
   ---------------------------------------------------------------- */

:root {
    --edulynk-primary: #3767f0;
    --edulynk-primary-dark: #2550cf;
    --edulynk-primary-light: #eef3ff;
    --edulynk-secondary: #13b8a6;
    --edulynk-secondary-light: #eafaf8;
    --edulynk-dark: #101828;
    --edulynk-dark-soft: #344054;
    --edulynk-text: #344054;
    --edulynk-muted: #667085;
    --edulynk-border: #eaecf0;
    --edulynk-background: #ffffff;
    --edulynk-background-soft: #f8fafc;
    --edulynk-shadow-sm: 0 4px 16px rgba(16, 24, 40, 0.05);
    --edulynk-shadow-md: 0 12px 36px rgba(16, 24, 40, 0.09);
    --edulynk-shadow-lg: 0 24px 64px rgba(16, 24, 40, 0.13);
    --edulynk-radius-sm: 10px;
    --edulynk-radius-md: 16px;
    --edulynk-radius-lg: 24px;
    --edulynk-radius-xl: 32px;
    --edulynk-header-height: 82px;
}


/* ----------------------------------------------------------------
   RESET
   ---------------------------------------------------------------- */

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background: var(--edulynk-background);
    color: var(--edulynk-text);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

a {
    color: inherit;
    text-decoration: none;
}

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


/* ----------------------------------------------------------------
   CONTAINER
   ---------------------------------------------------------------- */

.edulynk-container {
    max-width: 1440px;
    padding-left: 32px;
    padding-right: 32px;
}


/* ----------------------------------------------------------------
   HEADER
   ---------------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    width: 100%;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(234, 236, 240, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.edulynk-navbar {
    min-height: var(--edulynk-header-height);
    padding: 0;
}


/* ----------------------------------------------------------------
   BRAND
   ---------------------------------------------------------------- */

.edulynk-brand {
    display: inline-flex;
    align-items: center;
    margin-right: 42px;
    padding: 0;
    gap: 11px;
}

.edulynk-brand-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    color: #ffffff;
    background: linear-gradient( 135deg, var(--edulynk-primary), #6288ff );
    border-radius: 13px;
    box-shadow: 0 7px 18px rgba(55, 103, 240, 0.22);
    font-size: 20px;
}

.edulynk-brand-name {
    color: var(--edulynk-dark);
    font-size: 25px;
    font-weight: 750;
    line-height: 1;
    letter-spacing: -0.8px;
}

    .edulynk-brand-name span {
        color: var(--edulynk-primary);
    }


/* ----------------------------------------------------------------
   MAIN MENU
   ---------------------------------------------------------------- */

.edulynk-main-menu {
    align-items: center;
    gap: 5px;
}

    .edulynk-main-menu .nav-link {
        position: relative;
        display: flex;
        align-items: center;
        padding: 29px 14px !important;
        color: var(--edulynk-dark-soft);
        font-size: 15px;
        font-weight: 550;
        transition: color 0.2s ease, background-color 0.2s ease;
    }

        .edulynk-main-menu .nav-link:hover,
        .edulynk-main-menu .nav-link:focus {
            color: var(--edulynk-primary);
        }

    .edulynk-main-menu .dropdown-toggle::after {
        margin-left: 7px;
        vertical-align: 0.14em;
        border-top-width: 0.3em;
    }


/* ----------------------------------------------------------------
   DROPDOWN
   ---------------------------------------------------------------- */

.edulynk-dropdown {
    min-width: 310px;
    margin-top: -5px !important;
    padding: 10px;
    background: #ffffff;
    border: 1px solid var(--edulynk-border);
    border-radius: var(--edulynk-radius-md);
    box-shadow: var(--edulynk-shadow-md);
}

    .edulynk-dropdown .dropdown-item {
        display: flex;
        align-items: center;
        gap: 13px;
        padding: 12px 13px;
        white-space: normal;
        border-radius: 11px;
        transition: background-color 0.2s ease, transform 0.2s ease;
    }

        .edulynk-dropdown .dropdown-item:hover,
        .edulynk-dropdown .dropdown-item:focus {
            background: var(--edulynk-primary-light);
            color: var(--edulynk-dark);
            transform: translateX(2px);
        }

.dropdown-icon {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--edulynk-primary);
    background: var(--edulynk-primary-light);
    border-radius: 11px;
    font-size: 17px;
}

.edulynk-dropdown strong {
    display: block;
    color: var(--edulynk-dark);
    font-size: 14px;
    font-weight: 650;
    line-height: 1.35;
}

.edulynk-dropdown small {
    display: block;
    margin-top: 2px;
    color: var(--edulynk-muted);
    font-size: 12px;
    line-height: 1.35;
}


/* ----------------------------------------------------------------
   NAV ACTIONS
   ---------------------------------------------------------------- */

.edulynk-nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 25px;
}

.edulynk-btn-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 45px;
    padding: 0 17px;
    color: var(--edulynk-dark);
    background: transparent;
    border: 1px solid var(--edulynk-border);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

    .edulynk-btn-login:hover {
        color: var(--edulynk-primary);
        background: var(--edulynk-primary-light);
        border-color: #cad7ff;
    }

.edulynk-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 45px;
    padding: 0 20px;
    color: #ffffff;
    background: linear-gradient( 135deg, var(--edulynk-primary), #4c78f5 );
    border: 1px solid transparent;
    border-radius: 12px;
    box-shadow: 0 7px 18px rgba(55, 103, 240, 0.20);
    font-size: 14px;
    font-weight: 650;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

    .edulynk-btn-primary:hover {
        color: #ffffff;
        transform: translateY(-1px);
        box-shadow: 0 11px 24px rgba(55, 103, 240, 0.28);
    }

    .edulynk-btn-primary i {
        transition: transform 0.2s ease;
    }

    .edulynk-btn-primary:hover i {
        transform: translateX(3px);
    }


/* ----------------------------------------------------------------
   NAVBAR TOGGLER
   ---------------------------------------------------------------- */

.edulynk-toggler {
    padding: 8px;
    border: 1px solid var(--edulynk-border);
    border-radius: 10px;
    box-shadow: none !important;
}

    .edulynk-toggler:focus {
        box-shadow: none;
    }


/* ----------------------------------------------------------------
   MAIN
   ---------------------------------------------------------------- */

.site-main {
    min-height: calc( 100vh - var(--edulynk-header-height) );
}


/* ----------------------------------------------------------------
   GLOBAL TYPOGRAPHY
   ---------------------------------------------------------------- */

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 15px;
    color: var(--edulynk-primary);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

.section-title {
    margin-bottom: 20px;
    color: var(--edulynk-dark);
    font-size: clamp(36px, 4.2vw, 60px);
    font-weight: 750;
    line-height: 1.08;
    letter-spacing: -2px;
}

.section-description {
    max-width: 680px;
    color: var(--edulynk-muted);
    font-size: 18px;
    line-height: 1.7;
}


/* ----------------------------------------------------------------
   FOOTER
   ---------------------------------------------------------------- */

.site-footer {
    margin-top: 0;
    padding: 80px 0 0;
    color: #98a2b3;
    background: #0b1220;
}

.footer-main {
    padding-bottom: 60px;
}

.footer-brand-column {
    padding-right: 60px;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
}

.footer-brand-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: #ffffff;
    background: linear-gradient( 135deg, var(--edulynk-primary), #6288ff );
    border-radius: 12px;
    font-size: 19px;
}

.footer-brand-name {
    color: #ffffff;
    font-size: 24px;
    font-weight: 750;
    letter-spacing: -0.7px;
}

    .footer-brand-name span {
        color: #6f93ff;
    }

.footer-description {
    max-width: 360px;
    margin-bottom: 24px;
    color: #98a2b3;
    font-size: 14px;
    line-height: 1.75;
}

.footer-socials {
    display: flex;
    gap: 9px;
}

    .footer-socials a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        color: #b7c0cc;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.07);
        border-radius: 10px;
        transition: all 0.2s ease;
    }

        .footer-socials a:hover {
            color: #ffffff;
            background: var(--edulynk-primary);
            border-color: var(--edulynk-primary);
            transform: translateY(-2px);
        }

.footer-column h6 {
    margin: 6px 0 19px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 650;
}

.footer-column a {
    display: block;
    width: fit-content;
    margin-bottom: 11px;
    color: #98a2b3;
    font-size: 13px;
    transition: color 0.2s ease;
}

    .footer-column a:hover {
        color: #ffffff;
    }


/* ----------------------------------------------------------------
   FOOTER BOTTOM
   ---------------------------------------------------------------- */

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 25px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-copyright {
    color: #667085;
    font-size: 12px;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 24px;
}

    .footer-legal a {
        color: #667085;
        font-size: 12px;
        transition: color 0.2s ease;
    }

        .footer-legal a:hover {
            color: #ffffff;
        }


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


/* ----------------------------------------------------------------
   LARGE / LAPTOP
   ---------------------------------------------------------------- */

@media (max-width: 1399.98px) {

    .edulynk-container {
        padding-left: 24px;
        padding-right: 24px;
    }

    .edulynk-main-menu .nav-link {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }

    .edulynk-nav-actions {
        margin-left: 15px;
    }

    .edulynk-btn-login {
        padding: 0 14px;
    }

    .edulynk-btn-primary {
        padding: 0 16px;
    }
}


/* ----------------------------------------------------------------
   TABLET / MOBILE NAVIGATION
   ---------------------------------------------------------------- */

@media (max-width: 1199.98px) {

    :root {
        --edulynk-header-height: 72px;
    }

    .edulynk-navbar {
        padding: 12px 0;
    }

    .edulynk-brand {
        margin-right: 0;
    }

    .edulynk-brand-mark {
        width: 40px;
        height: 40px;
    }

    .edulynk-brand-name {
        font-size: 23px;
    }

    .navbar-collapse {
        margin-top: 14px;
        padding: 16px;
        background: #ffffff;
        border: 1px solid var(--edulynk-border);
        border-radius: 16px;
        box-shadow: var(--edulynk-shadow-md);
    }

    .edulynk-main-menu {
        display: block;
        width: 100%;
    }

        .edulynk-main-menu .nav-link {
            padding: 12px 10px !important;
            border-bottom: 1px solid #f2f4f7;
        }

    .edulynk-dropdown {
        min-width: 100%;
        margin: 3px 0 7px !important;
        padding: 7px;
        border: none;
        background: #f8fafc;
        box-shadow: none;
    }

    .edulynk-nav-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        margin: 16px 0 0;
        padding-top: 16px;
        border-top: 1px solid var(--edulynk-border);
    }

    .edulynk-btn-login,
    .edulynk-btn-primary {
        width: 100%;
    }

    .footer-brand-column {
        margin-bottom: 45px;
        padding-right: 12px;
    }

    .footer-column {
        margin-bottom: 35px;
    }
}


/* ----------------------------------------------------------------
   MOBILE
   ---------------------------------------------------------------- */

@media (max-width: 767.98px) {

    .edulynk-container {
        padding-left: 20px;
        padding-right: 20px;
    }

    .edulynk-brand-name {
        font-size: 22px;
    }

    .edulynk-brand-mark {
        width: 38px;
        height: 38px;
        font-size: 18px;
    }

    .edulynk-nav-actions {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: clamp(34px, 11vw, 48px);
        letter-spacing: -1.5px;
    }

    .section-description {
        font-size: 16px;
    }

    .site-footer {
        padding-top: 60px;
    }

    .footer-main {
        padding-bottom: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 0;
    }

    .footer-legal {
        flex-wrap: wrap;
        gap: 12px 20px;
    }
}


/* ----------------------------------------------------------------
   VERY SMALL MOBILE
   ---------------------------------------------------------------- */

@media (max-width: 420px) {

    .edulynk-container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .edulynk-brand-name {
        font-size: 21px;
    }

    .edulynk-dropdown .dropdown-item {
        padding: 10px;
    }

    .dropdown-icon {
        width: 36px;
        height: 36px;
        font-size: 15px;
    }
}