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

html,
body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
}

body {
    flex: 1;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 450px;
    width: 100%;
    padding: 40px;
    animation: slideUp 0.5s ease-out;
}

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

.icon-wrapper {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.icon-wrapper svg {
    width: 40px;
    height: 40px;
    stroke: white;
    fill: none;
    stroke-width: 2;
}

h1 {
    color: #333;
    font-size: 28px;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

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

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

input[type="email"] {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s ease;
    outline: none;
}

input[type="email"]:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

input[type="email"]::placeholder {
    color: #aaa;
}

.recaptcha-wrapper {
    margin: 25px 0;
    display: flex;
    justify-content: center;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

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

.back-link {
    text-align: center;
    margin-top: 25px;
}

.back-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: color 0.3s ease;
}

.back-link a:hover {
    color: #764ba2;
}

.error-message {
    background: #fee;
    border: 1px solid #fcc;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.validation-summary {
    background: #fee;
    border: 1px solid #fcc;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.validation-summary ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.validation-summary li {
    margin: 5px 0;
}

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

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-left: 32px;
}

.checkbox-container input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: #fff;
    border: 2px solid #d1d5db;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.checkbox-container:hover input~.checkmark {
    border-color: #6366f1;
}

.checkbox-container input:checked~.checkmark {
    background-color: #6366f1;
    border-color: #6366f1;
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked~.checkmark:after {
    display: block;
}

.checkbox-label {
    font-size: 14px;
    color: #4b5563;
    font-weight: 500;
}

@media (max-width: 576px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 30px 20px;
    }

    h1 {
        font-size: 24px;
    }

    .form-group {
        margin-bottom: 15px;
    }

    input[type="email"] {
        padding: 12px 15px;
        font-size: 14px;
    }

    .btn-submit {
        padding: 12px;
        font-size: 15px;
    }

    .icon-wrapper {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }

    .icon-wrapper svg {
        width: 30px;
        height: 30px;
    }
}