/* Importing Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

/* CSS Variables for Theming */
:root {
    --primary-color: #4F46E5; /* Indigo-600 */
    --secondary-color: #6366F1; /* Indigo-500 */
    --background-color: #F9FAFB; /* Gray-50 */
    --card-background: #FFFFFF; /* White */
    --text-color: #111827; /* Gray-900 */
    --secondary-text-color: #6B7280; /* Gray-500 */
    --border-radius: 12px;
    --transition-speed: 0.3s;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Variables */
[data-theme='dark'] {
    --primary-color: #6366F1;
    --secondary-color: #4F46E5;
    --background-color: #1F2937; /* Gray-800 */
    --card-background: #2D3748; /* Gray-700 */
    --text-color: #E5E7EB; /* Gray-200 */
    --secondary-text-color: #9CA3AF; /* Gray-400 */
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Header Styling */
header {
    background-color: var(--card-background);
    padding: 20px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

header img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: transform var(--transition-speed);
}

header img:hover {
    transform: rotate(360deg);
}

header h1 {
    font-size: 1.8rem;
    font-weight: 600;
}

#dark-mode-toggle  {
    background: none;
    border: none;
    cursor: pointer;
    transition: opacity var(--transition-speed);
    
    
}

#dark-mode-toggle img  {
    width: 34px;
    height: 34px;
    
}

/* Main Content Styling */
main {
    padding: 60px 20px;
    max-width: 1200px;
    margin: auto;
}

h4 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 40px;
    color: var(--primary-color);
    font-weight: 600;
}

/* Grid Layout for Cards */
.cards-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    text-align: center;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.12);
}

.card img {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
    border-radius: 8px;
    object-fit: cover;
}

.card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-weight: 600;
}

.card p {
    font-size: 0.95rem;
    color: var(--secondary-text-color);
    margin-bottom: 20px;
}

.card .buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.card .buttons a {
    text-decoration: none;
}

.card .buttons button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
    font-size: 0.9rem;
    font-weight: 500;
}

.card .buttons button:hover {
    background-color: var(--secondary-color);
    transform: scale(1.05);
}

/* Footer Styling */
footer {
    background-color: var(--card-background);
    color: var(--secondary-text-color);
    padding: 20px;
    text-align: center;
    box-shadow: var(--box-shadow);
    margin-top: 60px;
}

footer p {
    font-size: 0.85rem;
}

/* Responsive Design */
@media (min-width: 600px) {
    .cards-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    header h1 {
        font-size: 2rem;
    }

    .cards-container {
        grid-template-columns: repeat(3, 1fr);
    }

    .card img {
        width: 80px;
        height: 80px;
    }

    .card h3 {
        font-size: 1.4rem;
    }

    .card p {
        font-size: 1rem;
    }

    .card .buttons button {
        font-size: 1rem;
    }
}