/* --- Main Color Variables --- */
:root {
    --primary-color: #007bff;
    /* Blue */
    --secondary-bg: #e0f7fa;
    /* Light Cyan */
    --background-color: #f8faff;
    /* Very Light Background */
    --text-color: #1e293b;
    /* Main Text Color */
    --gray-600: #4b5563;
    /* Darker Gray for text */
    --gray-700: #374151;
    /* Darker Gray for headings */
    --gray-800: #1f2937;
    /* Darkest Gray for main headings */
    --red-600: #dc2626;
    /* Red for message */
    --white-color: #ffffff;
}

/* --- Global Reset for Box Model Consistency --- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* --- Body and Font Styling --- */
body {
    font-family: 'Cairo', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    /* Flexbox to center the page content */
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    /* Full screen height minimum */
    padding: 1rem;
    margin: 0;
}

/* --- Main Container Styling (Card) --- */
.container {
    max-width: 48rem;
    width: 100%;
    padding: 1.5rem;
    background-color: var(--white-color);
    border-radius: 1rem;
    text-align: center;
    border-top: 8px solid var(--primary-color);
    /* Soft professional shadow */
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.1);
    /* Transition for hover effect */
    transition: box-shadow 0.5s ease-in-out;
}

.container:hover {
    box-shadow: 0 10px 25px rgba(0, 123, 255, 0.2);
}

/* --- Icon and Title Section --- */
.icon-section {
    margin-bottom: 1.5rem;
}

.icon {
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 auto;
    color: var(--primary-color);
}

.title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-top: 0.5rem;
}

.subtitle {
    font-size: 1.125rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* --- Main Message (Under Development) --- */
.main-message {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--gray-800);
    margin-bottom: 0.75rem;
}

/* --- Description --- */
.description {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

/* --- Highlighted Thanks Message --- */
.thanks-message {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--red-600);
    margin-bottom: 2rem;
    padding: 0.75rem;
    background-color: var(--secondary-bg);
    border-radius: 0.5rem;
}

/* --- Contact Information --- */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-heading {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-700);
}

.phone {
    font-size: 1rem;
    /* Using the primary color for consistency */
    color: var(--primary-color);
    /* Using the main font for consistency with Arabic text */
    font-family: 'Cairo', sans-serif;
}

/* --- Larger Screen Styling (min-width: 768px) --- */
@media (min-width: 768px) {
    .container {
        padding: 3rem;
    }

    .icon {
        width: 4rem;
        height: 4rem;
    }

    .title {
        font-size: 1.875rem;
    }

    .subtitle {
        font-size: 1.25rem;
    }

    .main-message {
        font-size: 3rem;
    }

    .description {
        font-size: 1.25rem;
    }

    .thanks-message {
        font-size: 1.5rem;
    }

    .contact-heading,
    .phone {
        font-size: 1.125rem;
    }
}