/* ==========================================================================
   1. Fonts & CSS Variables
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
    --color-primary: #6A2B83;
    --color-secondary: #94C83D;
    --color-dark: #100f14;
    --color-light: #f4f4f4;
    --color-text: #e0e0e0;
    --color-text-muted: #b0b0b0; /* Increased contrast for accessibility */
    --color-dark-accent: #191820;
    --color-border: #2c2a3a;
    --color-input-bg: #2a2a2a;
    --color-input-border: #444;
    --color-error: #e74c3c;
    --font-ar: 'Cairo', sans-serif;
    --font-en: 'Poppins', sans-serif;
    --shadow-medium: 0 10px 30px rgba(106, 43, 131, 0.2);
    --shadow-focus: 0 0 10px rgba(106, 43, 131, 0.3);
}


/* ==========================================================================
   2. Global Styles & Reset
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-dark);
    color: var(--color-text);
    line-height: 1.7;
    cursor: none;
}

/* Set default font based on language direction */
html[dir="rtl"] body { font-family: var(--font-ar); }
html[dir="ltr"] body { font-family: var(--font-en); }

.container {
    max-width: 900px;
    margin-inline: auto;
    padding-inline: 15px;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    cursor: none;
}

a:hover {
    text-decoration: underline;
}


/* ==========================================================================
   3. Custom Cursor & Particles Background
   ========================================================================== */
.cursor-dot,
.cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    border-radius: 50%;
    z-index: 9999;
    transform: translate(-50%, -50%);
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-primary);
    transition: transform 0.2s ease-out, width 0.3s ease, height 0.3s ease, background-color 0.3s ease;
}

.cursor-outline.hovered {
    transform: translate(-50%, -50%) scale(1.3);
    background-color: rgba(106, 43, 131, 0.1);
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}


/* ==========================================================================
   4. Shared Components (Header & Footer)
   ========================================================================== */
.main-header {
    position: sticky;
    top: 0;
    padding: 15px 0;
    z-index: 1000;
    background: rgba(16, 15, 20, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #222;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 50px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-light);
    padding: 8px 18px;
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    text-decoration: none;
}

.nav-btn.lang-btn-ar { font-family: var(--font-ar); }
.nav-btn.lang-btn-en { font-family: var(--font-en); }

.back-btn {
    color: var(--color-text);
}

.back-btn:hover {
    background-color: var(--color-input-bg);
    border-color: var(--color-input-border);
    color: var(--color-light);
}

.nav-btn i {
    font-size: 1.1rem;
}

.main-footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid #222;
}

.footer-link {
    display: inline-block;
    margin-top: 15px;
    padding: 8px 20px;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: var(--color-light);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    text-decoration: none;
}


/* ==========================================================================
   5. Main Content & Form Container
   ========================================================================== */
.main-content {
    padding: 60px 0 80px;
}

.join-us-container {
    background-color: var(--color-dark-accent);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
}

.join-us-container h1 {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-light);
    margin-bottom: 10px;
}

.join-us-container p.subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 40px auto;
}

html[dir="rtl"] .registration-form { text-align: right; }
html[dir="ltr"] .registration-form { text-align: left; }


/* ==========================================================================
   6. Form Wizard (Progress Bar & Steps)
   ========================================================================== */
.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    height: 4px;
    width: 100%;
    background-color: var(--color-border);
    z-index: 1;
}
html[dir="rtl"] .progress-bar::before { right: 0; }
html[dir="ltr"] .progress-bar::before { left: 0; }

.progress-bar .progress {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    height: 4px;
    background-color: var(--color-secondary);
    z-index: 2;
    width: 0%;
    transition: width 0.4s ease;
}
html[dir="rtl"] .progress-bar .progress { right: 0; }
html[dir="ltr"] .progress-bar .progress { left: 0; }

.progress-step {
    position: relative;
    z-index: 3;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--color-border);
    border: 3px solid var(--color-border);
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    transition: all 0.3s ease;
}

.progress-step.active {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-dark);
}

.progress-step-title {
    position: absolute;
    top: 40px;
    font-size: 0.9rem;
    font-weight: 700;
    width: 150px;
    text-align: center;
    transition: color 0.3s ease;
    color: var(--color-text-muted);
}
html[dir="rtl"] .progress-step-title { right: 50%; transform: translateX(50%); }
html[dir="ltr"] .progress-step-title { left: 50%; transform: translateX(-50%); }

.progress-step.active .progress-step-title {
    color: var(--color-light);
}

.form-step {
    display: none;
    animation: fadeIn 0.5s ease;
}

.form-step.active {
    display: block;
}

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


/* ==========================================================================
   7. Form Elements & Layout
   ========================================================================== */
.form-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-light);
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.grid-full-width {
    grid-column: 1 / -1;
}

.input-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.input-group label {
    font-weight: 700;
    color: var(--color-light);
    margin-bottom: 8px;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%; 
    background: var(--color-input-bg);
    border: 1px solid var(--color-input-border);
    border-radius: 8px;
    padding: 12px 15px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-light);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.input-group select option {
    background-color: var(--color-input-bg);
    color: var(--color-light);
}

.input-group select:disabled {
    background-color: #222;
    color: #666;
    cursor: not-allowed;
}

.input-group textarea {
    resize: vertical;
    min-height: 120px;
}

.hidden-input {
    display: none;
}

/* Validation Error Styling */
.input-group.error input,
.input-group.error select,
.input-group.error textarea {
    border-color: var(--color-error);
}

.input-group.error .iban-group input {
    border-color: var(--color-error);
}

.error-message {
    color: var(--color-error);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 5px;
    display: none; /* Hidden by default */
}

.input-group.error .error-message {
    display: block;
}

/* Specific Input Groups (IBAN, Plate) */
.iban-group {
    display: flex;
}

.iban-group .prefix {
    background-color: #333;
    padding: 12px;
    border: 1px solid var(--color-input-border);
    font-weight: 700;
    display: flex;
    align-items: center;
}
html[dir="rtl"] .iban-group .prefix { border-right: none; border-radius: 0 8px 8px 0; }
html[dir="ltr"] .iban-group .prefix { border-left: none; border-radius: 0 8px 8px 0; }

html[dir="rtl"] .iban-group input { border-radius: 8px 0 0 8px; }
html[dir="ltr"] .iban-group input { border-radius: 8px 0 0 8px; }

.plate-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

/* Custom Checkboxes */
.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    cursor: pointer;
}

.checkbox-group input {
    display: none;
}

.checkbox-group label {
    position: relative;
}
html[dir="rtl"] .checkbox-group label { padding-right: 35px; }
html[dir="ltr"] .checkbox-group label { padding-left: 35px; }

.checkbox-group label::before {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-color: var(--color-input-bg);
    border: 1px solid var(--color-input-border);
    border-radius: 4px;
    transition: all 0.2s ease;
}
html[dir="rtl"] .checkbox-group label::before { right: 0; }
html[dir="ltr"] .checkbox-group label::before { left: 0; }

.checkbox-group label::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    transform: translateY(-50%) scale(0);
    color: var(--color-light);
    font-size: 0.8rem;
    transition: transform 0.2s ease;
}
html[dir="rtl"] .checkbox-group label::after { right: 4px; }
html[dir="ltr"] .checkbox-group label::after { left: 4px; }

.checkbox-group input:checked + label::before {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.checkbox-group input:checked + label::after {
    transform: translateY(-50%) scale(1);
}

/* Custom File Upload */
.file-upload-input {
    display: none;
}

.file-upload-label {
    background: var(--color-input-bg);
    border: 1px dashed #555;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.file-upload-label:hover {
    border-color: var(--color-primary);
    background-color: var(--color-border);
}

.file-upload-label i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 10px;
    display: block;
}

.file-upload-label span {
    font-weight: 700;
}

.file-upload-label.file-loaded {
    border-style: solid;
    border-color: var(--color-secondary);
}

.file-upload-label.file-loaded i {
    color: var(--color-secondary);
}

.file-upload-label.file-loaded span {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Form Notes (Captain/Delegate Forms) */
.form-notes-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-light);
}

.form-notes {
    margin: 20px 0;
    padding: 20px;
    background-color: var(--color-dark);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.9rem;
}
html[dir="rtl"] .form-notes { text-align: right; }
html[dir="ltr"] .form-notes { text-align: left; }

.form-notes ul {
    list-style: none;
}

.form-notes li {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
}

.form-notes i {
    color: var(--color-secondary);
    margin-top: 4px;
}
html[dir="rtl"] .form-notes i { margin-left: 10px; }
html[dir="ltr"] .form-notes i { margin-right: 10px; }


/* ==========================================================================
   8. Form Buttons & Submission State
   ========================================================================== */
.form-buttons {
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 35px;
    background: #333;
    color: #fff;
    border: 1px solid #555;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.form-btn:hover {
    transform: translateY(-3px);
    text-decoration: none;
}

.form-btn.next-btn,
.form-btn.submit-btn {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 5px 15px rgba(106, 43, 131, 0.3);
}

.form-btn.next-btn:hover,
.form-btn.submit-btn:hover {
    background: #8e44ad;
    box-shadow: 0 8px 20px rgba(106, 43, 131, 0.4);
}

/* Loading Spinner for Submit Button */
.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    display: none;
}

.form-btn.loading .spinner { display: block; }
.form-btn.loading .btn-text { display: none; }
.form-btn.loading { pointer-events: none; }

@keyframes spin {
    to { transform: rotate(360deg); }
}


/* ==========================================================================
   9. Responsive Styles
   ========================================================================== */
@media (max-width: 768px) {
    body { cursor: auto; }
    .cursor-dot, .cursor-outline { display: none; }

    .back-btn span { display: none; }
    .back-btn { padding: 8px 12px; }

    .join-us-container { padding: 25px; }
    .join-us-container h1 { font-size: 2rem; }
    .join-us-container p.subtitle { font-size: 1rem; }

    .progress-step-title { display: none; }
    
    .form-grid { grid-template-columns: 1fr; }
}


/* ==========================================================================
   10. Popup / Modal Styles
   ========================================================================== */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background-color: var(--color-dark-accent);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 40px 50px;
    position: relative;
    text-align: center;
    width: 400px;
    max-width: 90%;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.popup-overlay.active .popup-content {
    transform: scale(1);
}

.popup-content p {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-light);
    margin: 0;
}

.popup-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    color: var(--color-text-muted);
    transition: color 0.3s ease;
    cursor: none; /* Inherit custom cursor */
}

.popup-close:hover {
    color: var(--color-light);
}