/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    background: #ffffff;
    padding: 20px;
    justify-content: center;
    align-items: flex-start;
}

/* Container */
.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    overflow-x: hidden;
    box-sizing: border-box;
}

/* Form Container */
.form-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25),
                0 0 0 1px rgba(255, 255, 255, 0.1);
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Header */
.form-header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #4facfe 100%);
    padding: 40px 30px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.form-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: shimmer 3s infinite linear;
}

@keyframes shimmer {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.logo {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    backdrop-filter: blur(10px);
    border: 3px solid rgba(255, 255, 255, 0.3);
    animation: pulse 2s infinite;
}

.logo-img {
    width: 100px;
    height: 100px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    padding: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.logo-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.form-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.form-header p {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 300;
    position: relative;
}

/* Form Styles */
form {
    padding: 30px;
}

.form-section {
    margin-bottom: 30px;
    padding: 25px;
    background: linear-gradient(135deg, #f8f9ff 0%, #f0f4ff 100%);
    border-radius: 16px;
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
}

.form-section:hover {
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
}

.form-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-section h3 i {
    font-size: 18px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-group {
    flex: 1;
    position: relative;
    min-width: 0;
    max-width: 100%;
}

.form-group.full-width {
    flex: 1 1 100%;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #4a5568;
    margin-bottom: 8px;
}

.form-group label i {
    color: #667eea;
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    max-width: 100%;
    padding: 14px 18px;
    font-size: 16px;
    font-family: 'Poppins', sans-serif;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    background: white;
    color: #2d3748;
    transition: all 0.3s ease;
    box-sizing: border-box;
    -webkit-appearance: none;
}

.form-group input {
    cursor: text;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%234a5568' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

.form-group input::placeholder {
    color: #a0aec0;
    font-weight: 300;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #1e3c72;
    box-shadow: 0 0 0 4px rgba(30, 60, 114, 0.15);
    background: white;
}

.form-group input:valid:not(:placeholder-shown) {
    border-color: #48bb78;
}

.form-group input:invalid:not(:placeholder-shown):not(:focus),
.form-group select.invalid,
.form-group input.invalid {
    border-color: #fc8181;
}

.error-message {
    display: none;
    font-size: 12px;
    color: #e53e3e;
    margin-top: 6px;
    padding-left: 4px;
}

.form-group input:invalid:not(:placeholder-shown):not(:focus) ~ .error-message {
    display: block;
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
    padding: 12px 15px;
    background: rgba(102, 126, 234, 0.08);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.checkbox-group:hover {
    background: rgba(102, 126, 234, 0.15);
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: #667eea;
    cursor: pointer;
}

.checkbox-group label {
    font-size: 14px;
    color: #4a5568;
    cursor: pointer;
    margin-bottom: 0;
}

/* Buttons */
.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.btn {
    padding: 14px 30px;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.btn-reset {
    background: #f7fafc;
    color: #4a5568;
    border: 2px solid #e2e8f0;
}

.btn-reset:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
    transform: translateY(-2px);
}

.btn-submit {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.btn-submit:active {
    transform: translateY(-1px);
}

/* Success Modal */
.success-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.success-modal.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    padding: 50px;
    border-radius: 24px;
    text-align: center;
    max-width: 400px;
    animation: scaleIn 0.4s ease;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.success-icon {
    font-size: 80px;
    color: #48bb78;
    margin-bottom: 20px;
    animation: bounce 0.6s ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.modal-content h2 {
    font-size: 24px;
    color: #2d3748;
    margin-bottom: 10px;
}

.modal-content p {
    font-size: 14px;
    color: #718096;
    margin-bottom: 10px;
}

.modal-content .join-text {
    font-size: 13px;
    color: #4a5568;
    margin-bottom: 15px;
    font-weight: 500;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

.btn-whatsapp i {
    font-size: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .form-header {
        padding: 30px 20px;
    }

    .form-header h1 {
        font-size: 22px;
    }

    .logo {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }

    form {
        padding: 20px;
    }

    .form-section {
        padding: 20px;
    }

    .form-row {
        flex-direction: column;
        gap: 15px;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .modal-content {
        margin: 20px;
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .form-header h1 {
        font-size: 20px;
    }

    .form-section h3 {
        font-size: 14px;
    }

    .form-group input {
        padding: 12px 14px;
        font-size: 14px;
    }
}

/* Floating Elements Animation */
.form-container::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 50%;
    top: -50px;
    right: -50px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Input Icons on Focus */
.form-group input:focus + .input-icon {
    color: #667eea;
}

/* Date Input Styling */
input[type="date"] {
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    min-height: 50px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    border-radius: 4px;
    padding: 5px;
    cursor: pointer;
    opacity: 1;
}

input[type="date"]::-webkit-date-and-time-value {
    text-align: left;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd6, #6a4190);
}

/* Selection Color */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: #2d3748;
}