html,
body {
    width: 100%;
    overflow-x: hidden;
}

:root {
    /* الوضع الفاتح */
    --main-bg: #FAF7FF;
    --navbar-bg: #F3EAFA;
    --box-bg: #E6D6FA;
    --primary: #DB88FF;
    --primary-light: #F3EAFA;
    --primary-bold: #FB3FFF;
    --txt-main: #2D0140;
    --txt-muted: #847097;
    --btn-main-bg: #FB3FFF;
    --btn-main-txt: #fff;
    --btn-sec-bg: #fff;
    --btn-sec-txt: #DB88FF;
    --footer-bg: #2D0140;
    --footer-txt: #F3EAFA;
    /* ألوان إضافية للوضع الفاتح */
    --light-bg: #FAF7FF;
    --light-secondary: #F3EAFA;
    --light-primary: #DB88FF;
    --light-accent: #C463FF;
    --light-highlight: #FB3FFF;
    --light-text: #2D0140;
    --light-text-secondary: #847097;
    --light-border: #E6D6FA;
    --light-card: #FFFFFF;
    --light-shadow: rgba(219, 136, 255, 0.1);
}

/* الوضع الداكن */
body.dark {
    --main-bg: #181b22;
    --navbar-bg: #23263c;
    --box-bg: #1a1c24;
    --primary: #A305A6;
    --primary-light: #23263c;
    --primary-bold: #FB3FFF;
    --txt-main: #FFFFFF;
    --txt-muted: #CCCCCC;
    --btn-main-bg: #A305A6;
    --btn-main-txt: #fff;
    --btn-sec-bg: #23263c;
    --btn-sec-txt: #FB3FFF;
    --footer-bg: #23263c;
    --footer-txt: #e4efb3;
    /* ألوان إضافية للوضع الداكن */
    --dark-bg: #181b22;
    --dark-secondary: #23263c;
    --dark-primary: #A305A6;
    --dark-accent: #FB3FFF;
    --dark-highlight: #FB3FFF;
    --dark-text: #FFFFFF;
    --dark-text-secondary: #CCCCCC;
    --dark-border: #2D0140;
    --dark-card: #23263c;
    --dark-shadow: rgba(0, 0, 0, 0.3);
}

body {
    background: var(--main-bg);
    color: var(--txt-main);
}

.navbar-ein {
    background: var(--navbar-bg);
}

.ein-create-btn {
    background: var(--primary-light);
    color: var(--primary-bold);
}

.main-footer {
    background: var(--footer-bg);
    color: var(--footer-txt);
}

.navbar-ein {
    direction: ltr;
    background: var(--navbar-bg);
    border-bottom: 2.5px solid var(--primary);
    min-height: 62px;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.ein-brand-side {
    /* direction: ltr; */
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 210px;
    padding-right: 100px;
}

.ein-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #fff;
    border: 2.5px solid var(--primary-light);
    object-fit: cover;
}

.ein-logo-text {
    font-size: 2.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    letter-spacing: -1.5px;
    color: var(--primary-bold);
    text-decoration: underline 2px white;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

    .ein-logo-text .ein-highlight {
        color: white;
        text-decoration: underline 2px var(--primary-bold);
        margin-left: 2px;
        margin-right: 2px;
        font-weight: 900;
    }

/* .ein-mode-switch {
    background: var(--primary-light);
    border: none;
    border-radius: 20px;
    padding: 5px 17px;
    display: flex;
    gap: 13px;
    align-items: center;
    font-size: 1.23rem;
    margin-right: 33px;
    margin-left: 17px;
    cursor: pointer;
    box-shadow: 0 3px 10px #DB88FF22;
    transition: background 0.15s;
} */

/* 
.ein-mode-switch .sun {
    color: #b9a63b;
}

.ein-mode-switch .moon {
    color: #DB88FF;
} */

.ein-btns-side {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-left: 10px;
}

.ein-create-btn {
    background: var(--primary-light);
    color: var(--primary-bold) !important;
    border-radius: 7px;
    border: none;
    font-weight: 700;
    font-size: 1.04rem;
    padding: 7px 18px 7px 18px;
    display: flex;
    align-items: center;
    gap: 7px;
    box-shadow: none;
    transition: background 0.13s;
}

    .ein-create-btn i {
        color: var(--primary-bold);
        font-size: 1.13em;
        margin-left: 5px;
    }

    .ein-create-btn:hover {
        background: var(--primary);
    }

.ein-login-btn {
    background: #fff;
    color: var(--primary) !important;
    border: 2px solid transparent;
    border-radius: 7px;
    font-size: 1.04rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 3px;
    box-shadow: none;
    padding: 7px 19px;
    transition: border 0.16s, background 0.13s, color 0.14s;
    text-decoration: none;
}

    .ein-login-btn i {
        color: var(--primary);
        font-size: 1.13em;
        margin-left: 2px;
    }

    .ein-login-btn:hover,
    .ein-login-btn:focus {
        border: 2px solid var(--primary);
        background: var(--primary-light);
        color: var(--primary-bold) !important;
    }

/* Main split */
.main-split {
    display: flex;
    min-height: calc(100vh - 62px);
    background: var(--main-bg);
}

/* فورم تسجيل الدخول */
/* .login-side {
    width: 65%;
    min-width: 350px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 54px 0 20px 0;
} */

/* .login-content {
    width: 100%;
    min-width: 300px;
    max-width: 420px;
    margin: auto;
    padding: 0 0 0 30px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
} */
/* 
.login-title {
    font-weight: 700;
    font-size: 1.38rem;
    color: var(--primary-bold);
    margin-bottom: 10px;
    margin-top: 7px;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -.5px;
}

.login-title .icon {
    color: var(--primary);
    font-size: 1.15em;
} */

.login-desc {
    color: #847097;
    font-size: 1.01rem;
    margin-bottom: 25px;
    margin-top: 0px;
    font-weight: 500;
}

.form-label {
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 2px;
    font-size: 1rem;
}

.form-control {
    border-radius: 0 !important;
    border: none;
    border-bottom: 2px solid var(--primary);
    margin-bottom: 16px;
    font-size: 1.06rem;
    background: transparent;
    box-shadow: none;
    padding-right: 0;
    padding-left: 0;
    color: var(--txt-main);
    transition: border 0.16s;
    text-align: right;
    width: 100%;
}

    .form-control:focus {
        border-color: var(--primary-bold);
        background: var(--primary-light);
        box-shadow: none;
    }

.input-icon {
    font-size: 1.1em;
    color: var(--primary);
    /* margin-left: -177px; */
    position: absolute;
    right: 10px;
    margin-top: -10px;
}

.login-switch-toggle {
    margin: 17px 0 14px 0;
    display: flex;
    align-items: center;
    gap: 7px;
}

    .login-switch-toggle input[type="checkbox"] {
        width: 38px;
        height: 22px;
        accent-color: var(--primary);
        cursor: pointer;
    }

    .login-switch-toggle label {
        font-weight: 400;
        color: #847097;
        font-size: .98rem;
        margin-right: 7px;
        margin-top: 4px;
    }

.login-btn {
    background: var(--primary-bold);
    color: #fff !important;
    border-radius: 8px;
    border: none;
    width: 170px;
    font-size: 1.12rem;
    font-weight: 700;
    margin-top: 0px;
    margin-bottom: 12px;
    padding: 10px 0 10px 0;
    transition: background .16s;
    box-shadow: 0 2px 13px #e6eec56a;
    text-align: center;
}

    .login-btn:hover {
        background: var(--primary);
        color: #fff !important;
    }

.create-link {
    color: var(--primary);
    font-weight: 700;
    text-decoration: underline;
    margin-right: 4px;
    margin-left: 4px;
    transition: color 0.13s;
    font-size: 1.01rem;
}

    .create-link:hover {
        color: var(--primary-bold);
    }

.no-account {
    font-size: .99rem;
    margin-top: 7px;
    color: #55505e;
}

/* البانر */
.banner-side {
    flex: 1;
    min-width: 300px;
    background: var(--box-bg);
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    overflow: hidden;
    height: 100vh;
    position: relative;
    padding: 0;
}

.banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 0;
    border: none;
    box-shadow: none;
}

@media (max-width: 800px) {
    .banner-side {
        display: none;
    }
}


.banner-content {
    width: 100%;
    max-width: 5200px;
    padding: 0 25px;
    text-align: right;
    margin-top: 60px;
}

.banner-title-main {
    font-size: 2.35rem;
    font-weight: bold;
    color: var(--primary-bold);
    position: relative;
    z-index: 2;
    margin-bottom: 0;
    padding-bottom: 0;
    line-height: 1.16;
    letter-spacing: -1.7px;
}

.banner-title-shadow {
    font-size: 2rem;
    color: #dbb7fb;
    font-weight: bold;
    margin-top: -7px;
    margin-bottom: 25px;
    line-height: 1.1;
    opacity: 0.4;
    z-index: 1;
    position: relative;
    letter-spacing: -1.7px;
}

.banner-img-wrap {
    margin-top: 30px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.banner-img {
    max-width: 3900px;
    max-height: 750px;
    margin-top: -90px;
    margin-left: -25px;
    margin-right: -25px;
    height: auto;
    width: 100%;
    box-shadow: 0 5px 45px #b375d144;
    object-fit: cover;
    border: 5px solid #fff;
}

/* Footer */
.main-footer {
    background: var(--footer-bg);
    color: var(--footer-txt);
    padding: 45px 0 0 0;
    text-align: center;
    margin-top: 0;
    min-height: 250px;
    font-family: 'Cairo', 'Tajawal', Arial, sans-serif;
}

.footer-logo {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-bold);
    text-decoration: underline 2px white;
    letter-spacing: -1.5px;
}

    .footer-logo .highlight {
        /* color: var(--primary-bold); */
        color: white;
        text-decoration: underline 2px var(--primary-bold);
    }

.footer-desc {
    color: white;
    font-size: 1.13rem;
    margin-bottom: 28px;
    margin-top: 2px;
    text-decoration: underline 2px var(--primary-bold);
}

    .footer-desc .x {
        color: var(--primary-bold);
        text-decoration: underline 2px white;
    }

.paragraph {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

.footer-social {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 23px;
}

    .footer-social a {
        width: 44px;
        height: 44px;
        background: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.55rem;
        border: 2px solid #e5e5e5;
        color: #333;
        box-shadow: 0 2px 8px #2221;
        transition: box-shadow 0.14s;
        text-decoration: none;
    }

    .footer-social .tiktok {
        color: #000;
    }

    .footer-social .facebook {
        color: #1877F3;
    }

    .footer-social .youtube {
        color: #FF0000;
    }

    .footer-social .users {
        color: #DB88FF;
    }

    .footer-social a:hover {
        box-shadow: 0 3px 18px #DB88FF45;
        border-color: var(--primary-bold);
    }

.footer-info {
    color: var(--primary-bold);
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    font-size: 1.04rem;
    margin-bottom: 7px;
    margin-top: 7px;
}

.developer a {
    font-style: italic;
    text-decoration: none;
}

.a {
    color: wheat;
    border-radius: 15px;
    background-color: #A305A6;
    border: 1px solid #A305A6;
}

.devel .footer-powered {
    color: var(--primary);
    font-size: .96rem;
    margin-top: 6px;
    margin-bottom: 0;
    opacity: .91;
}

.copy {
    color: wheat;
}

@media (max-width: 1150px) {
    .main-split {
        flex-direction: column;
    }

    .login-side {
        width: 100%;
        padding: 30px 0 0 0;
    }

    .banner-side {
        min-height: 220px;
    }

    .login-content {
        padding: 0 19px;
    }
}

@media (max-width: 800px) {
    .main-split {
        flex-direction: column;
    }

    .banner-side {
        display: none;
    }

    .login-side {
        padding: 17px 0 0 0;
    }

    .login-content {
        padding: 0 6px;
    }

    .main-footer {
        padding-top: 22px;
    }
}

@media (max-width: 991px) {
    .ein-container {
        padding: 0 10px;
        position: relative;
        height: 10px;
    }

    .ein-brand-side {
        padding-left: 100px;
        position: absolute;
        right: 53%;
        top: 50%;
        transform: translate(50%, -50%);
        left: unset;
        margin: 0 !important;
    }

    .nav-right {
        top: 45%;
        padding-left: 300px;
        margin-top: -15px;
        margin-bottom: -20px;
        padding-bottom: 30px;
    }


    .navt .ein-mode-switch {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .navbar-toggler {
        border: none;
        order: 1;
        margin-right: 3px;
        /* margin-bottom: 5px; */
    }

    .ein-btns-side {
        width: 100%;
        gap: 10px;
        margin-top: 10px;
        flex-direction: column !important;
        align-items: flex-start !important;
    }
}

@media (min-width: 992px) {
    .navbar-toggler {
        display: none !important;
    }

    .ein-brand-side {
        position: static;
        transform: none;
        margin: 0;
    }
}

@media (max-width: 800px) {
    .main-split {
        flex-direction: column;
    }

    .banner-side {
        display: block !important;
        order: -1;
        /* تخليها فوق الفورم */
        width: 100% !important;
        min-height: auto !important;
        height: auto !important;
        margin-bottom: 20px;
    }

    .login-side {
        width: 100% !important;
        min-width: unset !important;
    }
}

.side-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 85vw;
    max-width: 320px;
    height: 100vh;
    background: #fff;
    box-shadow: 0 0 40px #DB88FF33;
    z-index: 9999;
    display: none;
    flex-direction: column;
    gap: 19px;
    padding: 32px 18px 18px 18px;
    transition: transform 0.25s;
    border-radius: 0 18px 18px 0;
}

    .side-menu.show {
        display: flex;
        animation: slideIn .25s;
    }

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(0);
    }
}

.close-btn {
    background: none;
    border: none;
    font-size: 2.3rem;
    color: #DB88FF;
    position: absolute;
    top: 14px;
    left: 18px;
    cursor: pointer;
}

.side-btn {
    background: #F3EAFA;
    color: #DB88FF;
    border: none;
    border-radius: 12px;
    font-size: 1.13rem;
    font-weight: 700;
    padding: 15px 0;
    margin-bottom: 7px;
    text-align: center;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 2px 12px #DB88FF22;
    transition: background 0.14s, color 0.14s;
}

.side-btn-main {
    background: #DB88FF;
    color: #fff;
}

.side-btn:hover,
.side-btn:focus {
    background: #FB3FFF;
    color: #fff;
}

@media (min-width: 992px) {

    .side-menu,
    #menuBtn {
        display: none !important;
    }
}

.main-split {
    display: flex;
    min-height: calc(100vh - 62px);
    background: var(--main-bg);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 12px 40px 12px;
    gap: 35px;
    min-height: 60vh;
    text-align: center;
    position: relative;
    overflow: hidden;
}

    .main-content h1 {
        font-size: 2.7rem;
        font-weight: 900;
        color: var(--primary-bold);
        margin-bottom: 10px;
        letter-spacing: -1.5px;
    }

    .main-content p {
        font-size: 1.28rem;
        color: var(--txt-muted);
        max-width: 600px;
        margin: 0 auto;
        font-weight: 500;
    }

/* انيميشن المعادلات الرياضية والأشكال الهندسية */
.math-bg-anim {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 2;
    opacity: 0.87;
}

    .math-bg-anim .math-symbol {
        position: absolute;
        font-size: 2.2rem;
        color: #bbb;
        opacity: 0;
        transform: scale(0.9) translateY(40px);
        transition: opacity 0.7s, transform 0.7s;
        font-family: 'Cairo', 'Courier New', Courier, monospace;
        font-weight: 700;
        z-index: 2;
    }

        .math-bg-anim .math-symbol.show {
            opacity: 0.23;
            transform: scale(1) translateY(0);
        }

    .math-bg-anim svg.math-symbol {
        opacity: 0;
        transition: opacity 0.7s, transform 0.7s;
    }

        .math-bg-anim svg.math-symbol.show {
            opacity: 0.19;
            transform: scale(1) translateY(0);
        }

/* Banner Section */
.banner-section {
    /* background: #fff; */
    min-height: 350px;
    padding: 0 0 40px 0;
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid #1cc7b1;
}

.circuit-bg {
    width: 100%;
    min-height: 350px;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    opacity: 0.7;
    pointer-events: none;
    background: url('https://i.imgur.com/8Vw1vQv.png') center/cover no-repeat;
}

.banner-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 350px;
}

.banner-title {
    font-size: 3.2rem;
    font-weight: 900;
    margin-top: -350px;
    margin-bottom: 0;
    background: linear-gradient(90deg, #6a8fae 30%, #DB88FF 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    letter-spacing: -1.5px;
}

.banner-line {
    width: 260px;
    height: 5px;
    margin: 25px auto 0 auto;
    background: linear-gradient(90deg, #DB88FF 30%, #6a8fae 80%);
    border-radius: 2px;
    opacity: 0.5;
}

.descriction {
    margin-top: -250px;
}

/* Why Einstein Section */
.why-section {
    background: #660273;
    color: #fff;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    min-height: 370px;
    position: relative;
    overflow: hidden;
}

.why-text {
    flex: 1;
    padding: 60px 40px 40px 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    z-index: 2;
}

.why-title {
    font-size: 4.6rem;
    font-weight: 900;
    color: #e4efb3;
    margin-bottom: 10px;
    text-align: right;
}

.why-desc {
    font-size: 1.12rem;
    margin-bottom: 30px;
    color: #fff;
    font-weight: 500;
    text-align: right;
    line-height: 2.1;
}

.why-btn {
    background: #e4efb3;
    color: #222;
    border: none;
    border-radius: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    padding: 13px 40px;
    margin-top: 0;
    transition: background 0.13s, color 0.13s;
    white-space: nowrap;
    /* تمنع الكسر للسطر التاني */
}

    .why-btn:hover {
        background: #B5D43A;
        color: #fff;
    }

.why-img-side {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    min-height: 320px;
    z-index: 1;
}

.why-img {
    width: 300px;
    max-width: 90vw;
    border-radius: 18px;
    margin-right: 300px;
    object-fit: cover;
}

/* ذاكر واكسب */
.study-section {
    background: #fff;
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    min-height: 340px;
    position: relative;
    overflow: hidden;
}

.study-img-side {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    position: relative;
    min-height: 280px;
    z-index: 1;
}

.study-img {
    width: 420px;
    max-width: 80vw;
    border-radius: 50%;
    margin-left: 30px;
    background: #fff;
    object-fit: cover;
}

.study-text {
    flex: 2;
    padding: 60px 0 40px 40px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    z-index: 2;
}

.study-title {
    font-size: 2.2rem;
    font-weight: 900;
    color: #2D0140;
    margin-bottom: 10px;
    text-align: right;
    display: flex;
    align-items: center;
    gap: 10px;
}

    .study-title .atom {
        font-size: 1.8rem;
        color: #A305A6;
        margin-right: 7px;
    }

.study-desc {
    font-size: 1.13rem;
    margin-bottom: 22px;
    color: #010326;
    font-weight: 500;
    text-align: right;
    line-height: 2.1;
}

.study-btn {
    background: #FB3FFF;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1.13rem;
    font-weight: 700;
    padding: 13px 40px;
    margin-top: 0;
    transform: scale(1.1);
    transition: background 0.43s, color 0.13s;
}

/* slides */
.carousel-item img {
    width: 100%;
    margin-left: 200px;
    padding-bottom: 200px;
    height: 1000px;
    object-fit: cover;
    border-radius: 15px;
}

.carousel img {
    height: 1000px;
    padding-bottom: 0px;
    padding-top: -10px;
    /* ممكن تزود أو تقلل حسب الشكل العام */
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .carousel img {
        height: 680px;
    }
}

/* **** */
.study-btn:hover {
    transform: scale(0.95);
    background: #DB88FF;
    color: #fff;
}

/* إحصائيات */
.stats-section {
    background-color: #E6D6FA;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    justify-content: center;
    min-height: 210px;
    gap: 0;
}

/* الأساس */
.stats-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
    padding: 40px 20px;
    /* background-color: #f9f9f9; */
    /* لون خلفية خفيف */
    text-align: center;
}

/* كارت الإحصائيات */
.stat-card {
    flex: 1;
    min-width: 280px;
    padding: 30px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-left: 1.5px solid #e4efb3;
    position: relative;
    background: transparent;
    transition: transform 0.3s ease;
}

    .stat-card:first-child {
        border-left: none;
    }

/* الشكل الدائري الخلفي */
.stat-atom-bg {
    width: 100px;
    height: 80px;
    margin-bottom: 15px;
}

/* الرقم أو الجملة */
.stat-num {
    font-size: 1.8rem;
    font-weight: bold;
    color: #2d3436;
    line-height: 1.4;
}

/* النص تحت الرقم */
.stat-txt {
    font-size: 1.2rem;
    color: #7f8c8d;
    margin-top: 10px;
}

/* تحريك بسيط عند المرور */
.stat-card:hover {
    transform: scale(1.03);
}

/* الاستجابة للموبايل */
@media (max-width: 768px) {
    .stats-section {
        flex-direction: column;
        align-items: center;
    }

    .stat-card {
        border-left: none;
        border-top: 1.5px solid #e4efb3;
        width: 100%;
        max-width: 500px;
    }

        .stat-card:first-child {
            border-top: none;
        }
}

/* آخر عنوان */
.final-title-section {
    padding: 45px 0 35px 0;
    background: #fff;
    text-align: center;
}

.final-title {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(90deg, #DB88FF 30%, #6a8fae 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    letter-spacing: -1.5px;
    margin-bottom: 0;
}

.arrow-down {
    font-size: 2.2rem;
    color: linear-gradient(90deg, #DB88FF 30%, #6a8fae 80%);
    margin-top: 5px;
    animation: bounce 1.2s infinite;
    display: inline-block;
}

@keyframes bounce {

    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(12px);
    }
}

/* Responsive */
@media (max-width: 1050px) {

    .why-section,
    .study-section {
        flex-direction: column;
    }

    .why-img-side,
    .study-img-side {
        justify-content: center;
        margin: 0;
    }

    .why-img,
    .study-img {
        margin: 0 auto 24px auto;
    }

    .why-text,
    .study-text {
        padding: 30px 10px;
    }
}

@media (max-width: 700px) {
    .banner-title {
        font-size: 1.5rem;
    }

    .study-title,
    .final-title {
        font-size: 4.2rem;
        padding-left: 130px;
    }

    .final-title {
        font-size: 4.2rem;
        padding-left: 130px;
        margin-right: 90px;
    }

    .study-title {
        margin-right: 5px;
    }

    .why-title {
        font-size: 3.6rem;
        padding-left: 0px;
        margin-left: 15px;
    }

    .why-img,
    .study-img {
        width: 320px;
    }

    .stat-num {
        font-size: 1.2rem;
    }

    .stat-txt {
        font-size: 1rem;
    }

    .stat-atom-bg {
        width: 90px;
        height: 70px;
    }

    .why-btn {
        font-size: 1.5rem;
        padding: 12px 25px;
        margin-left: 108px;
        margin-right: auto;
        display: block;
        text-align: center;
    }

    .study-btn {
        margin-right: 15px;
    }

    .study-desc {
        margin-right: 10px;
    }
}

/* Category Card */
.category-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    /* وسط الكروت في الموبايل */
    gap: 20px;
}

.category {
    background-color: #C463FF;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
    transition: transform 0.3s ease;
    margin: 40px 0;
}

    .category:hover {
        transform: scale(1.03);
    }

    .category img {
        width: 100%;
        height: auto;
        max-height: 550px;
        object-fit: cover;
        border-radius: 12px;
    }

    .category h1 {
        margin-top: 20px;
        font-size: 3.9rem;
    }

        .category h1 a {
            text-decoration: none;
            color: white;
            transition: color 0.3s;
        }

            .category h1 a:hover {
                color: #FB3FFF;
            }

/* Responsive adjustments */
@media (max-width: 768px) {
    .category-container {
        padding: 0 16px;
    }

    .category {
        margin: 20px auto;
    }

        .category h1 {
            font-size: 2.0rem;
        }

        .category img {
            /* min-width: ; */
            max-height: 500px;
        }
}

* {
    box-sizing: border-box;
}

body {
    overflow-x: hidden;
}

@media (max-width: 768px) {
    .ein-logo-text {
        font-size: 2.0rem;
        /* ← حجم أصغر للموبايل */
    }
}

body.dark .side-menu {
    background: var(--dark-secondary);
    box-shadow: 0 0 40px var(--dark-shadow);
}

body.dark .side-btn {
    background: var(--dark-card);
    color: var(--dark-text);
    box-shadow: 0 2px 12px var(--dark-shadow);
    border: 1px solid var(--dark-border);
}

body.dark .side-btn-main {
    background: var(--dark-accent);
    color: #fff;
}

body.dark .close-btn {
    color: var(--dark-accent);
}

body.dark .study-section {
    background: var(--dark-bg);
}

body.dark .study-title {
    color: var(--dark-text);
}

    body.dark .study-title .atom {
        color: var(--dark-accent);
    }

body.dark .study-desc {
    color: var(--dark-text-secondary);
}

body.dark .study-btn {
    background: var(--dark-accent);
    color: #fff;
}

    body.dark .study-btn:hover {
        background: var(--primary);
        color: #fff;
    }

body.dark .study-img {
    background-color: var(--dark-bg);
    /* علشان تندمج مع الخلفية */
    border: none;
    /* إلغاء البوردر */
    box-shadow: none;
    /* إلغاء الظل لو مش عايزه */
}

body.dark .final-title-section {
    background-color: var(--dark-bg);
    /* أو لون ثابت زي #121212 */
}

body.dark .final-title {
    background: linear-gradient(90deg, #DB88FF 30%, #6a8fae 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.dark .arrow-down {
    color: #DB88FF;
}

@media (min-width: 768px) and (max-width: 820px) {
    nav {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        padding: 1rem 0;
    }

    .nav-links {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

        .nav-links a {
            font-size: 1rem;
            padding: 0.4rem;
        }

    .nav-btn {
        font-size: 1rem;
        padding: 0.5rem 1rem;
    }

    .nav-right {
        margin-left: 250px;
    }
}