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

:root {
    --color-green-dark: #0B4D2C;
    --color-green-medium: #1A5D3A;
    --color-green-light: #2E7D32;
    --color-brown-dark: #3E2723;
    --color-brown-medium: #5D4037;
    --color-gold: #D4AF37;
    --color-white: #FFFFFF;
    --color-gray-light: #F5F5F5;
    --color-gray-medium: #E0E0E0;
    --color-text: #212121;
    --color-text-light: #757575;
    --color-error: #D32F2F;
    --color-success: #4CAF50;
}

body {
    font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-gray-light);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
}

.billiard-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-green-medium) 100%);
    opacity: 0.05;
    z-index: 0;
    pointer-events: none;
}

.billiard-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.header {
    background: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-green-medium) 100%);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.logo-container {
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-placeholder {
    display: inline-block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.logo-image {
    max-width: 400px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

@media (max-width: 768px) {
    .logo-image {
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .logo-image {
        max-width: 220px;
    }
}

.main-title {
    color: var(--color-white);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.subtitle {
    color: var(--color-gray-light);
    font-size: 16px;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

.main-content {
    background: var(--color-white);
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.form-section {
    margin-bottom: 40px;
}

.section-title {
    color: var(--color-green-dark);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--color-gold);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--color-green-medium);
}

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

.form-label {
    display: block;
    color: var(--color-text);
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 15px;
}

.required {
    color: var(--color-error);
    font-weight: 600;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--color-gray-medium);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
    background-color: var(--color-white);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-green-medium);
    box-shadow: 0 0 0 3px rgba(26, 93, 58, 0.1);
}

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

.error-message {
    display: block;
    color: var(--color-error);
    font-size: 13px;
    margin-top: 6px;
    min-height: 18px;
}

.consent-section {
    margin-top: 30px;
    padding: 20px;
    background-color: rgba(26, 93, 58, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--color-green-medium);
}

.consent-text {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 15px;
    line-height: 1.5;
}

.checkbox-group {
    margin-bottom: 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    position: relative;
    user-select: none;
}

.form-checkbox {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-custom {
    position: relative;
    width: 24px;
    height: 24px;
    min-width: 24px;
    border: 2px solid var(--color-gray-medium);
    border-radius: 4px;
    margin-right: 12px;
    transition: all 0.3s ease;
    background-color: var(--color-white);
}

.form-checkbox:checked ~ .checkbox-custom {
    background-color: var(--color-green-medium);
    border-color: var(--color-green-medium);
}

.form-checkbox:checked ~ .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 7px;
    top: 3px;
    width: 6px;
    height: 12px;
    border: solid var(--color-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-checkbox:focus ~ .checkbox-custom {
    box-shadow: 0 0 0 3px rgba(26, 93, 58, 0.1);
}

.checkbox-text {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
    padding-top: 2px;
}

.questions-section {
    background: linear-gradient(135deg, rgba(26, 93, 58, 0.03) 0%, rgba(212, 175, 55, 0.03) 100%);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.question-block {
    background: var(--color-white);
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 10px;
    border: 2px solid var(--color-gray-medium);
    transition: all 0.3s ease;
}

.question-block:hover {
    border-color: var(--color-green-medium);
    box-shadow: 0 4px 12px rgba(26, 93, 58, 0.1);
}

.question-block:last-child {
    margin-bottom: 0;
}

.question-title {
    color: var(--color-green-dark);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.question-text {
    color: var(--color-text);
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.5;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 12px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    background-color: var(--color-gray-light);
    position: relative;
}

.radio-label:hover {
    background-color: rgba(26, 93, 58, 0.08);
}

.form-radio {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-custom {
    position: relative;
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid var(--color-gray-medium);
    border-radius: 50%;
    margin-right: 12px;
    transition: all 0.3s ease;
    background-color: var(--color-white);
}

.form-radio:checked ~ .radio-custom {
    border-color: var(--color-green-medium);
}

.form-radio:checked ~ .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-green-medium);
}

.form-radio:focus ~ .radio-custom {
    box-shadow: 0 0 0 3px rgba(26, 93, 58, 0.1);
}

.radio-text {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
}

.form-radio:checked ~ .radio-text {
    color: var(--color-green-dark);
    font-weight: 600;
}

.form-actions {
    text-align: center;
    margin-top: 30px;
}

.submit-button {
    background: linear-gradient(135deg, var(--color-green-medium) 0%, var(--color-green-dark) 100%);
    color: var(--color-white);
    border: none;
    padding: 16px 60px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(26, 93, 58, 0.3);
    position: relative;
    min-width: 200px;
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(26, 93, 58, 0.4);
}

.submit-button:active:not(:disabled) {
    transform: translateY(0);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.submit-button.loading .button-text {
    opacity: 0;
}

.submit-button.loading .spinner {
    display: block;
}

.spinner {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.form-message {
    margin-top: 20px;
    padding: 16px;
    border-radius: 8px;
    font-size: 15px;
    text-align: center;
    display: none;
}

.form-message.error {
    background-color: rgba(211, 47, 47, 0.1);
    color: var(--color-error);
    border: 1px solid var(--color-error);
    display: block;
}

.form-message.success {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
    display: block;
}

.thank-you-screen {
    display: none;
    text-align: center;
    padding: 60px 30px;
    animation: fadeIn 0.5s ease;
}

.thank-you-screen.visible {
    display: block;
}

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

.thank-you-content {
    background: var(--color-white);
    padding: 50px 40px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.success-icon {
    margin-bottom: 25px;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.thank-you-title {
    color: var(--color-green-dark);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.3;
}

.thank-you-text {
    color: var(--color-text-light);
    font-size: 18px;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .header {
        padding: 30px 20px;
    }

    .main-title {
        font-size: 22px;
    }

    .subtitle {
        font-size: 14px;
    }

    .main-content {
        padding: 30px 20px;
    }

    .section-title {
        font-size: 20px;
    }

    .questions-section {
        padding: 20px;
    }

    .question-block {
        padding: 20px;
    }

    .question-title {
        font-size: 16px;
    }

    .question-text {
        font-size: 14px;
    }

    .submit-button {
        width: 100%;
        padding: 14px 40px;
        font-size: 16px;
    }

    .thank-you-content {
        padding: 40px 25px;
    }

    .thank-you-title {
        font-size: 26px;
    }

    .thank-you-text {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 20px;
    }

    .form-input {
        padding: 12px 14px;
        font-size: 15px;
    }

    .radio-group {
        gap: 10px;
    }

    .radio-label {
        padding: 10px 14px;
    }

    .thank-you-title {
        font-size: 22px;
    }
}