:root {
    --gold: #e1bc60;
    --gold-hover: #d4a84a;
    --dark-bg: #1a1a1a;
    --darker-bg: #0f0f0f;
    --card-bg: #242424;
    --text-white: #ffffff;
    --text-light: #b8b8b8;
    --text-muted: #888888;
    --border-color: #333333;
    --error-color: #e74c3c;
    --success-color: #27ae60;
}

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

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: var(--darker-bg);
    color: var(--text-white);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    padding: 40px 0 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-image {
    max-width: 450px;
    height: auto;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.logo h1 span {
    color: var(--gold);
}

/* Main Content */
.main-content {
    padding: 60px 0;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.promo-section,
.success-section {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 50px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    max-width: 520px;
    width: 100%;
    border: 1px solid var(--border-color);
}

.section-label {
    color: var(--gold);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: lowercase;
    margin-bottom: 15px;
}

.main-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 15px;
    line-height: 1.3;
    text-transform: uppercase;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 35px;
    line-height: 1.5;
}

/* Form Styles */
.promo-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label:not(.checkbox-label) {
    font-weight: 500;
    color: var(--text-light);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input[type="tel"],
.form-group input[type="text"] {
    padding: 15px 18px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--dark-bg);
    color: var(--text-white);
}

.form-group input[type="tel"]::placeholder,
.form-group input[type="text"]::placeholder {
    color: var(--text-muted);
}

.form-group input[type="tel"]:focus,
.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 2px rgba(225, 188, 96, 0.15);
}

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

.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    min-height: 18px;
    display: block;
}

/* Checkbox Styles */
.checkbox-group {
    margin-top: 5px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    position: relative;
    padding-left: 32px;
    line-height: 1.4;
}

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

.checkmark {
    position: absolute;
    top: 2px;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    transition: all 0.2s ease;
}

.checkbox-label:hover .checkmark {
    border-color: var(--gold);
}

.checkbox-label input:checked ~ .checkmark {
    background-color: var(--gold);
    border-color: var(--gold);
}

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

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

.checkbox-text {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.checkbox-text a {
    color: var(--gold);
    text-decoration: none;
    transition: color 0.2s ease;
}

.checkbox-text a:hover {
    color: var(--gold-hover);
    text-decoration: underline;
}

/* Captcha */
.captcha-container {
    margin: 5px 0;
}

/* Submit Button */
.submit-btn {
    background: var(--gold);
    color: var(--dark-bg);
    border: none;
    padding: 16px 40px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 10px;
}

.submit-btn:hover {
    background: var(--gold-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(225, 188, 96, 0.25);
}

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

.submit-btn:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Success Section */
.success-section {
    text-align: center;
}

.success-icon {
    width: 90px;
    height: 90px;
    background: var(--success-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 25px;
    animation: scaleIn 0.5s ease;
}

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

.success-title {
    font-size: 1.6rem;
    color: var(--text-white);
    margin-bottom: 15px;
    text-transform: uppercase;
    font-weight: 700;
}

.success-message {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 30px;
    line-height: 1.5;
}

.reload-btn {
    background: transparent;
    color: var(--gold);
    border: 1px solid var(--gold);
    padding: 12px 30px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.reload-btn:hover {
    background: var(--gold);
    color: var(--dark-bg);
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 0;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .promo-section,
    .success-section {
        padding: 35px 25px;
        margin: 0 15px;
    }

    .main-title {
        font-size: 1.7rem;
    }

    .logo-image {
        max-width: 200px;
    }

    .logo h1 {
        font-size: 1.6rem;
    }

    .subtitle {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .promo-section,
    .success-section {
        padding: 30px 20px;
    }

    .main-title {
        font-size: 1.5rem;
    }

    .logo-image {
        max-width: 160px;
    }

    .submit-btn {
        padding: 14px 25px;
        font-size: 0.9rem;
    }

    .checkbox-text {
        font-size: 0.8rem;
    }
}

/* Loading State */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--dark-bg);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Yandex Captcha dark theme override */
.captcha-container iframe {
    border-radius: 4px;
}