:root {
    --primary-color: #4a6fa5;
    --secondary-color: #166088;
    --accent-color: #4fc3f7;
    --background-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #333333;
    --light-text: #777777;
    --border-color: #e0e0e0;
    --success-color: #4caf50;
    --error-color: #f44336;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 0;
    margin: 0;
    background-image: url('../images/background.jpg');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
}

.container {
    max-width: 900px;
    margin: 30px auto;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    position: relative;
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    max-height: 100px;
    margin-bottom: 20px;
}

h1 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.section {
    margin-bottom: 30px;
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.section-title {
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-size: 1.4rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
}

.personal-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--secondary-color);
}

input, textarea, select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: border 0.3s ease;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(79, 195, 247, 0.2);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

.volunteer-sections {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
}

.section-card {
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: var(--card-bg);
}

.section-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.section-card.selected {
    background-color: #e3f2fd;
    border-color: var(--accent-color);
}

.subsection-options {
    margin-top: 15px;
    display: none;
    padding: 10px;
    background-color: #f5f5f5;
    border-radius: var(--border-radius);
}

.subsection-option {
    margin: 8px 0;
}

.subsection-option label {
    display: flex;
    align-items: center;
    font-weight: normal;
    cursor: pointer;
}

.subsection-option input {
    width: auto;
    margin-right: 10px;
}

.availability-options, .contact-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.availability-option, .contact-option {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background-color: #f0f0f0;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.availability-option:hover, .contact-option:hover {
    background-color: #e0e0e0;
}

.availability-option input, .contact-option input {
    display: none;
}

.availability-option span, .contact-option span {
    margin-left: 5px;
}

.phone-options {
    margin-top: 10px;
}

.phone-options label {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
    font-weight: normal;
}

.phone-options input {
    width: auto;
    margin-right: 8px;
}

.membership-section {
    background-color: #e3f2fd;
    border-left: 4px solid var(--accent-color);
}

.membership-toggle {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.toggle-button {
    position: relative;
    width: 50px;
    height: 24px;
    background-color: #ccc;
    border-radius: 12px;
    margin-right: 10px;
    transition: background-color 0.3s;
}

.toggle-button:after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: white;
    top: 2px;
    left: 2px;
    transition: transform 0.3s;
}

.membership-toggle input:checked + .toggle-button {
    background-color: var(--accent-color);
}

.membership-toggle input:checked + .toggle-button:after {
    transform: translateX(26px);
}

.membership-label {
    font-weight: 500;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.date-time-picker {
    display: none;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: var(--border-radius);
}

.date-time-picker.active {
    display: grid;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.message {
    display: none;
    padding: 20px;
    margin-top: 20px;
    border-radius: var(--border-radius);
    text-align: center;
}

.success-message {
    background-color: var(--success-color);
    color: white;
}

.error-message {
    background-color: var(--error-color);
    color: white;
}

.home-btn {
    margin-top: 15px;
    padding: 10px 20px;
    background-color: white;
    color: var(--success-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
}

.language-selector {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 100;
}

.language-selector select {
    padding: 8px 12px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background-color: white;
    cursor: pointer;
}

.recaptcha-container {
    margin: 20px 0;
    display: flex;
    justify-content: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
        margin: 15px;
    }
    
    .personal-info {
        grid-template-columns: 1fr;
    }
    
    .volunteer-sections {
        grid-template-columns: 1fr;
    }
    
    .date-time-picker {
        grid-template-columns: 1fr;
    }
}