* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.overlay {
    width: 100%;
    max-width: 700px;
    animation: fadeIn 0.4s ease-out;
}

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

.form-container {
    background: white;
    border-radius: 20px;
    padding: 45px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25);
    position: relative;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #f5f5f5;
    border: none;
    font-size: 28px;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
    line-height: 1;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-btn:hover {
    background: #e0e0e0;
    color: #333;
    transform: rotate(90deg);
}

.form-header {
    text-align: center;
    margin-bottom: 35px;
}

.form-header h2 {
    color: #1a1a1a;
    margin-bottom: 8px;
    font-size: 32px;
    font-weight: 700;
}

.subtitle {
    color: #666;
    font-size: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
    font-size: 14px;
}

.required {
    color: #ff4757;
}

input[type="text"],
input[type="tel"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e8e8e8;
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s;
    background: #fafafa;
}

input[type="text"]:focus,
input[type="tel"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 45px;
}

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

.submit-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 25px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 20px;
    transition: transform 0.3s;
}

.submit-btn:hover .btn-icon {
    transform: translateX(5px);
}

.thank-you-message {
    display: none;
    text-align: center;
    animation: fadeIn 0.5s ease-in;
}

.thank-you-message.active {
    display: block;
}

.success-animation {
    margin: 0 auto 30px;
}

.checkmark {
    width: 100px;
    height: 100px;
    margin: 0 auto;
}

.checkmark-circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke: #4bb71b;
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    stroke-width: 3;
    stroke: #4bb71b;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.6s forwards;
}

@keyframes stroke {
    100% {
        stroke-dashoffset: 0;
    }
}

.thank-you-message h3 {
    color: #1a1a1a;
    margin-bottom: 12px;
    font-size: 28px;
    font-weight: 700;
}

.thank-you-message p {
    color: #666;
    margin-bottom: 30px;
    font-size: 16px;
    line-height: 1.6;
}

.close-thank-you {
    padding: 14px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
}

.close-thank-you:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

@media (max-width: 640px) {
    .form-container {
        padding: 30px 20px;
    }

    .form-header h2 {
        font-size: 26px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .submit-btn {
        font-size: 15px;
    }
}