/* --- CSS Variables for Theming --- */
:root {
    --color-primary-dark: #1a2a3a; /* Deeper blue for main background */
    --color-primary-light: #34495e; /* Slightly lighter blue */
    --color-accent-gold: #fbc531; /* Richer gold accent */
    --color-accent-light: #ffeaa7; /* Lighter gold for contrast */
    --color-text-light: #ecf0f1;
    --color-text-dark: #2c3e50;
    --color-success: #27ae60;
    --color-error: #e74c3c;
    --color-gray-light: #bdc3c7;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;

    --border-radius-sm: 5px;
    --border-radius-md: 10px;

    --transition-speed-fast: 0.2s;
    --transition-speed-normal: 0.4s;
    --transition-speed-slow: 0.8s;

    --shadow-light: 0 4px 8px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 8px 16px rgba(0, 0, 0, 0.3);
}

body {
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    overflow: hidden; /* Hide scrollbar for initial full-screen view */
    background-color: var(--color-primary-dark);
    color: var(--color-text-dark); /* Default text color, overridden by sections */
}

/* --- Layout --- */
.split-screen {
    display: flex;
    flex-direction: row;
    min-height: 100vh; /* Ensure full viewport height */
    width: 100vw;
}

.left-side, .right-side {
    flex: 1; /* Both sides take equal width */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
    text-align: center;
    transition: background-color var(--transition-speed-normal) ease-in-out;
}

.left-side {
    background-color: var(--color-primary-light);
    color: var(--color-text-light);
    /* Subtle hover effect */
    background-image: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary-dark) 100%);
    background-size: 100% 100%;
    transition: background-size 0.5s ease;
}
.left-side:hover {
    background-size: 110% 110%; /* zoom background on hover */
}

.right-side {
    background-color: var(--color-accent-gold);
    color: var(--color-text-dark);
    background-image: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-accent-light) 100%);
    background-size: 100% 100%;
    transition: background-size 0.5s ease;
}
.right-side:hover {
    background-size: 110% 110%; /* zoom background on hover */
}

/* --- Typography --- */
h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4rem); /* Fluid typography */
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

p {
    font-size: clamp(1rem, 2.5vw, 1.25rem); /* Fluid typography */
    line-height: 1.6;
    max-width: 600px;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

/* --- Buttons --- */
button {
    min-width: 200px;
    height: 50px;
    border: none;
    border-radius: var(--border-radius-md);
    background-color: var(--color-success);
    color: #fff;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: background-color var(--transition-speed-fast) ease,
                transform var(--transition-speed-fast) ease,
                box-shadow var(--transition-speed-fast) ease;
    box-shadow: var(--shadow-light);
    outline: none; /* Remove default outline */
}

button:hover {
    background-color: var(--color-success); /* Keep color consistent or slightly darker */
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

button:focus-visible { /* For keyboard navigation */
    outline: 3px solid var(--color-accent-gold);
    outline-offset: 3px;
}

/* --- Progress Bar --- */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background-color: rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.progress-bar-fill {
    width: 0%;
    height: 100%;
    background-color: var(--color-success);
    transition: width var(--transition-speed-normal) ease-in-out;
}

/* --- Initial Load Animations (CSS) --- */
.animate-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInSlideUp var(--transition-speed-slow) forwards;
}

.animate-in.delay-1 { animation-delay: 0.2s; }
.animate-in.delay-2 { animation-delay: 0.4s; }

@keyframes fadeInSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Modal Styling --- */
.modal {
    position: fixed;
    z-index: 1001; /* Above progress bar */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed-normal) ease, visibility var(--transition-speed-normal) ease;
}

.modal.is-open {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: #fff;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    position: relative;
    width: 90%;
    max-width: 500px;
    transform: translateY(-20px); /* Initial state for animation */
    transition: transform var(--transition-speed-normal) ease-out;
}

.modal.is-open .modal-content {
    transform: translateY(0);
}

.close-button {
    color: var(--color-gray-light);
    font-size: 2rem;
    font-weight: bold;
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-md);
    cursor: pointer;
    transition: color var(--transition-speed-fast) ease;
}

.close-button:hover,
.close-button:focus {
    color: var(--color-text-dark);
    outline: none;
}

.modal-content h2 {
    font-family: var(--font-heading);
    color: var(--color-primary-dark);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text-dark);
}

.form-group input[type="text"],
.form-group input[type="email"] {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--border-radius-sm);
    box-sizing: border-box; /* Include padding in width */
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-speed-fast) ease;
}

.form-group input:focus {
    border-color: var(--color-accent-gold);
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--color-accent-gold), 0.3); /* Focus ring */
}

.form-group .error-message {
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
    height: 1.2em; /* Reserve space to prevent layout shift */
}

.modal-content button[type="submit"] {
    width: 100%;
    margin-top: var(--spacing-md);
    background-color: var(--color-primary-light); /* Different color for modal button */
}

.modal-content button[type="submit"]:hover {
    background-color: var(--color-primary-dark);
}

.feedback-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-weight: 600;
    display: none;
}
.feedback-message.success {
    background-color: rgba(var(--color-success), 0.1);
    color: var(--color-success);
}
.feedback-message.error {
    background-color: rgba(var(--color-error), 0.1);
    color: var(--color-error);
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
    .split-screen {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
        overflow-y: auto; /* Allow scrolling on small screens */
    }

    .left-side, .right-side {
        width: 100%;
        min-height: 50vh; /* Each section takes at least half the viewport height */
        padding: var(--spacing-md);
    }

    h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    p {
        font-size: clamp(0.9rem, 3vw, 1.1rem);
    }
    button {
        min-width: unset; /* Allow button to shrink */
        width: 80%; /* Take up most of the width */
    }
    .modal-content {
        padding: var(--spacing-md);
    }
}


/* --- Layout (Main content will grow) --- */
.split-screen {
    display: flex;
    flex-direction: row;
    flex-grow: 1; /* Allow main content to take available space */
    width: 100vw;
}

/* ... (rest of your existing CSS for .left-side, .right-side, h1, p, button, etc. remains the same) ... */

/* --- Footer Styling --- */
.site-footer {
    background-color: var(--color-footer-bg);
    color: var(--color-gray-light);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.9rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 1200px;
    margin: 0 auto;
}

.site-footer p {
    margin: 0;
    padding: 0;
    line-height: 1.5;
    font-size: 0.9rem; /* Override global p font-size */
}

.site-footer .brand-name {
    font-weight: 600;
    color: var(--color-accent-gold);
}

.footer-links a,
.social-links a {
    color: var(--color-gray-light);
    text-decoration: none;
    transition: color var(--transition-speed-fast) ease;
    padding: 0 var(--spacing-xs); /* For clickability */
}

.footer-links a:hover,
.social-links a:hover {
    color: var(--color-accent-gold);
    text-decoration: underline;
}

.footer-links .separator {
    margin: 0 var(--spacing-xs);
    color: var(--color-gray-dark);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.social-links svg {
    width: 24px;
    height: 24px;
    vertical-align: middle;
    transition: transform var(--transition-speed-fast) ease;
}

.social-links a:hover svg {
    transform: translateY(-2px) scale(1.1);
}

/* --- Responsive Adjustments for Footer --- */
@media (min-width: 769px) { /* On larger screens, make footer horizontal */
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
    .footer-links {
        display: flex;
        align-items: center;
    }
    .social-links {
        margin-top: 0;
    }
}