:root {
    --bg: #f8fafc;
    --primary-dark: #0f172a;
    --primary: #1e293b;
    --accent: #38bdf8;
    --accent-2: #0ea5e9;
    --muted: #475569;
    --card-bg: #ffffff;
    --glass-shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
    --header-h: 70px;
}

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

html,
body {
    height: 100%
}

body {
    background: var(--bg);
    color: var(--primary);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: calc(var(--header-h) + 10px);
}

header {
    height: var(--header-h);
    display: flex;
    align-items: center;
    padding: 12px 22px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #f1f5f9;
    box-shadow: 0 6px 22px rgba(2, 6, 23, 0.25);
}

.na {
    margin-left: auto;
}

header h3 {
    font-size: 20px;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.2px;
}

.navbar-all {
    display: flex;
    gap: 18px;
    align-items: center;
}

.navbar {
    color: #f1f5f9;
    text-decoration: none;
    font-size: 16px;
    padding: 6px 10px;
    border-radius: 8px;
    transition: background .18s, color .18s, transform .12s;
}

.navbar:focus,
.navbar:active {
    outline: 3px solid rgba(56, 189, 248, 0.18);
    outline-offset: 2px;
}

.navbar:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--accent);
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    background: transparent;
    border: 0;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
}

.menu-toggle:focus {
    outline: 3px solid rgba(56, 189, 248, 0.18);
}

@media (max-width:768px) {
    .menu-toggle {
        display: block
    }
    .navbar-all {
        position: absolute;
        top: calc(var(--header-h));
        right: 12px;
        width: 220px;
        flex-direction: column;
        gap: 8px;
        padding: 12px;
        background: linear-gradient(180deg, rgba(15, 23, 42, 0.98), rgba(30, 41, 59, 0.98));
        border-radius: 8px;
        display: none;
        box-shadow: 0 10px 30px rgba(2, 6, 23, 0.45);
    }
    header.active .navbar-all {
        display: flex;
    }
}

.main-content {
    text-align: center;
    padding: 56px 20px 80px;
    margin: 0 auto;
    max-width: 1200px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: #fff;
    border-radius: 10px;
    box-shadow: var(--glass-shadow);
    transform-origin: center;
}

.main-content h1 {
    font-size: clamp(28px, 4.5vw, 44px);
    font-weight: 800;
    margin: 18px 0 8px;
}

.main-content h2 {
    font-size: clamp(16px, 2.2vw, 20px);
    font-weight: 400;
    margin-bottom: 18px;
    opacity: 0.95;
}

.main-content .btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--primary-dark);
    color: #fff;
    border-radius: 10px;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(2, 6, 23, 0.25);
}

.main-content .btn:hover {
    transform: translateY(-3px);
    background: var(--primary);
}

.learn {
    max-width: 1200px;
    margin: 28px auto;
    padding: 18px 20px 40px;
}

.learn h1 {
    font-size: clamp(22px, 3.2vw, 34px);
    text-align: center;
    color: var(--primary-dark);
    margin-bottom: 8px;
    font-weight: 800;
}

.all-boxes {
    text-align: center;
    background: #f1f5f9;
    padding: 18px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(2, 6, 23, 0.06);
}

.all-boxes i {
    font-size: 36px;
    color: var(--accent)
}

.madahba,
.madahb {
    display: block;
    font-size: clamp(20px, 3vw, 30px);
    text-align: center;
    color: var(--primary-dark);
    font-weight: 800;
    margin: 34px 0 12px;
    position: relative;
    padding-bottom: 10px;
}

.madahba::after,
.madahb::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 68%;
    max-width: 420px;
    height: 4px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    animation: underlineGrow .9s ease both;
}

@keyframes underlineGrow {
    from {
        width: 0;
        opacity: 0
    }
    to {
        width: 68%;
        opacity: 1
    }
}

.boxes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 18px;
    align-items: stretch;
    width: 100%;
}

@media (max-width:1100px) {
    .boxes {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width:700px) {
    .boxes {
        grid-template-columns: 1fr;
    }
}

.box1,
.box2,
.box3 {
    background: var(--card-bg);
    border-radius: 14px;
    padding: 20px;
    box-shadow: var(--glass-shadow);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px;
    min-height: 360px;
    transition: transform .28s ease, box-shadow .28s ease;
    overflow: hidden;
}

.box1:hover,
.box2:hover,
.box3:hover {
    transform: translateY(-8px);
    box-shadow: 0 22px 48px rgba(16, 24, 40, 0.16);
}

.box1 h1,
.box2 h1,
.box3 h1 {
    font-size: 18px;
    color: var(--primary-dark);
    font-weight: 800;
    margin: 6px 0 10px;
    text-align: center;
}

.box1 p,
.box2 p,
.box3 p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.6;
    text-align: center;
    margin: 0;
}

.boxes img {
    width: 96px;
    height: 96px;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    margin: 6px auto;
    box-shadow: 0 8px 18px rgba(2, 6, 23, 0.08);
}

.scholars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 12px;
}

@media (max-width:480px) {
    .scholars {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:360px) {
    .scholars {
        grid-template-columns: 1fr;
    }
}

.scholars .sheikh {
    background: #f1f5f9;
    padding: 8px 10px;
    border-radius: 10px;
    text-align: center;
    font-weight: 700;
    color: var(--primary-dark);
    box-shadow: 0 6px 14px rgba(2, 6, 23, 0.04);
    transition: transform .18s ease, background .18s;
    font-size: 14px;
}

.scholars .sheikh:hover {
    transform: translateY(-4px);
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: #fff;
}

.box1 .btn,
.box2 .btn,
.box3 .btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 10px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: #fff;
    font-weight: 800;
    text-decoration: none;
    align-self: center;
    margin-top: auto;
    box-shadow: 0 10px 26px rgba(2, 6, 23, 0.12);
    transition: transform .18s ease, filter .18s;
}

.box1 .btn:hover,
.box2 .btn:hover,
.box3 .btn:hover {
    transform: translateY(-3px) scale(1.02);
    filter: brightness(.98);
}

.center {
    text-align: center
}

.small-muted {
    color: var(--muted);
    font-size: 14px
}

footer {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #f1f5f9;
    padding: 40px 22px;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    border-radius: 12px 12px 0 0;
    align-items: flex-start;
    justify-content: space-between;
}

footer h2 {
    color: var(--accent);
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 700
}

footer a {
    color: #e2e8f0;
    display: block;
    margin: 6px 0;
    text-decoration: none;
    transition: color .18s
}

footer a:hover {
    color: var(--accent)
}

footer .icons {
    display: flex;
    gap: 12px;
    margin-top: 6px
}

footer .icons a {
    color: #fff;
    font-size: 20px;
    transition: transform .12s
}

footer .icons a:hover {
    transform: scale(1.15);
    color: var(--accent)
}

footer .copyright {
    width: 100%;
    text-align: center;
    margin-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 12px;
    color: #94a3b8;
    font-size: 13px
}

@media (max-width:768px) {
    footer {
        flex-direction: column;
        text-align: center;
        align-items: center
    }
    footer .copyright {
        margin-top: 22px
    }
}

a:focus,
button:focus {
    outline: 3px solid rgba(56, 189, 248, 0.18);
    outline-offset: 2px;
    border-radius: 6px;
}

.theme-toggle {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    margin-left: 10px;
    transition: transform 0.2s, color 0.3s;
}

.theme-toggle:hover {
    color: var(--accent);
    transform: scale(1.1);
}

:root.dark {
    --bg: #0f172a;
    --primary-dark: dark;
    --primary: #38bdf8;
    --accent: #38bdf8;
    --accent-2: #0ea5e9;
    --card-bg: #1e293b;
    --muted: #94a3b8;
}

.show {
    opacity: 1 !important;
    transform: translateY(0) !important;
    transition: all 0.8s ease;
}

.boxes,
.learn,
.main-content,
.all-boxes {
    opacity: 0;
    transform: translateY(40px);
}

.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    color: #fff;
    font-size: 22px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transition: all 0.4s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
}

.back-to-top:focus {
    outline: 3px solid rgba(56, 189, 248, 0.18);
    outline-offset: 2px;
}

.youtube {
    color: #FF0000;
    font-weight: 700;
    text-decoration: none;
    transition: color .18s;
    will-change: color;
    transition: color .18s, transform .18s ease;
    transform: scale(1);
    text-align: center;
    font-size: 18px;
}