@import url('https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Playpen+Sans+Arabic:wght@100..800&display=swap');
:root {
    --main-bg: linear-gradient(135deg, #003366, #2E8B57);
    --dark-bg: linear-gradient(135deg, #0a3d62, #145a32);
    --card-bg: rgba(255, 255, 255, 0.1);
    --dark-card-bg: rgba(0, 0, 0, 0.5);
    --text-color: white;
    --dark-text-color: #d1e8e2;
    --accent: #2E8B57;
    --accent-dark: #145a32;
}

body,
html {
    margin: 0;
    padding: 0;
    height: 100%;
    background: var(--main-bg);
    color: var(--text-color);
    direction: rtl;
}
html[lang="ar"], .arabic-text {
  font-family: "Playpen Sans Arabic", cursive;
}
html[lang="en"], .english-text {
    font-family: "M PLUS Rounded 1c", sans-serif;
}


header {
    text-align: center;
    padding: 2rem 1rem 0;
    position: relative;
}

h1 {
    font-size: 4rem;
    margin: 0;
}

.tagline {
    font-size: 1.4rem;
    margin-top: 0.5rem;
}

.controls {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    display: flex;
    gap: 0.75rem;
}

.controls button {
    background: rgba(255, 255, 255, 0.25);
    border: none;
    border-radius: 10px;
    color: white;
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-weight: 700;
    transition: background 0.3s;
}

.controls button:hover {
    background: rgba(255, 255, 255, 0.4);
}

main {
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.materials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 2rem 1rem;
    background: transparent;
}

.material {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 15px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    transition: transform 0.2s ease;
}

.material:hover {
    transform: translateY(-5px);
}

.material img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
}


.material h2 {
    margin: 0.7rem 0;
    font-weight: 700;
}

.material p {
    margin: 0.3rem 0 1rem 0;
    font-size: 1rem;
    line-height: 1.5;
    flex-grow: 1;
}

.material a {
    display: inline-block;
    margin-top: auto;
    background-color: var(--accent);
    color: white;
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border-radius: 10px;
    font-weight: 700;
    transition: background-color 0.3s ease;
}

.material a:hover {
    background-color: var(--accent-dark);
}

footer {
    text-align: center;
    padding: 1.5rem 1rem;
    color: var(--text-color);
    margin-top: 2rem;
    background: transparent !important;
    box-shadow: none;
    border: none;
}

.back-button-container {
    text-align: center;
    margin: 30px 0;
}

.back-button {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.25);
    border: none;
    border-radius: 10px;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 16px;
    transition: background-color 0.3s;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.4);
}

body.dark {
    background: var(--dark-bg);
    color: var(--dark-text-color);
}

body.dark .material {
    background-color: var(--dark-card-bg);
}

body.dark footer {
    background-color: transparent;
}

@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
        padding: 1rem;
    }
}