/* CSS Variables for theming */
:root {
    /* Colors */
    --color-primary: #6366f1;
    --color-primary-hover: #5855eb;
    --color-primary-light: #e0e7ff;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-muted: #9ca3af;
    --color-background: #ffffff;
    --color-surface: #f9fafb;
    --color-border: #e5e7eb;
    --color-border-focus: #6366f1;
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Utility classes */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Container */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.logo {
    height: 64px;
    width: auto;
    max-width: 280px;
}

/* Main content */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-xl) 0;
}

/* Hero section */
.hero {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    letter-spacing: -0.025em;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 500px;
    margin: 0 auto;
}

/* Status messages */
.status {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
}

.status.error {
    background-color: #fef2f2;
    color: var(--color-error);
    border: 1px solid #fecaca;
}

.status.success {
    background-color: #f0fdf4;
    color: var(--color-success);
    border: 1px solid #bbf7d0;
}

/* Form section */
.form-section {
    margin-bottom: var(--spacing-2xl);
}

.form-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-lg);
}

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

.form-label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background-color: var(--color-background);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:invalid:not(:placeholder-shown) {
    border-color: var(--color-error);
}

/* Checkbox styles */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--color-text);
}

.checkbox-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkbox-custom {
    position: relative;
    display: inline-block;
    width: 18px;
    height: 18px;
    background-color: var(--color-background);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    margin-top: 2px;
    transition: all var(--transition-fast);
}

.checkbox-input:checked + .checkbox-custom {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-input:focus + .checkbox-custom {
    box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
}

/* Button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px;
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-loading {
    display: none;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loading {
    display: inline;
}

/* Form note */
.form-note {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.5;
}



/* The Imams Section */
.imams-section {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

.imams-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.025em;
}

.imams-carousel-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    margin: 0 auto;
}

.imams-carousel {
    display: flex;
    gap: var(--spacing-lg);
    animation: scroll 30s linear infinite;
    width: max-content;
}

.imams-carousel:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.imam-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    min-width: 200px;
    flex-shrink: 0;
}

.imam-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.imam-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.imam-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.imam-title {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-style: italic;
}

/* Success section */
.success-section {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.success-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-lg);
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: var(--color-success);
    color: white;
    border-radius: 50%;
    font-size: var(--font-size-2xl);
    font-weight: bold;
    margin-bottom: var(--spacing-lg);
}

.success-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.success-message {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
}

/* Footer */
.footer {
    margin-top: auto;
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-link {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary);
}

/* Responsive design */
@media (max-width: 640px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header {
        padding: var(--spacing-md) 0;
    }
    
    .logo {
        height: 48px;
        max-width: 200px;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .form-card {
        padding: var(--spacing-lg);
        margin: 0 var(--spacing-sm);
    }
    
    .form-input {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .btn {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-lg);
    }
    
    .success-card {
        padding: var(--spacing-xl);
        margin: 0 var(--spacing-sm);
    }
    
    .imams-section {
        padding: var(--spacing-lg) 0;
    }
    
    .imams-title {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-lg);
    }
    
    .imams-carousel {
        gap: var(--spacing-sm);
    }
    
    .imam-card {
        min-width: 140px;
        padding: var(--spacing-sm);
    }
    
    .imam-name {
        font-size: var(--font-size-sm);
    }
    
    .imam-title {
        font-size: var(--font-size-xs);
    }
    
    .footer {
        padding: var(--spacing-lg) 0;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .form-card {
        padding: var(--spacing-md);
    }
    
    .imam-card {
        min-width: 120px;
        padding: var(--spacing-xs);
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .btn {
        width: auto;
        min-width: 200px;
    }
}

/* Focus styles for accessibility */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}