:root {
    --quiz-primary: #000000;
    --quiz-accent: #2E7D32;
    --quiz-bg: #f4f6f8;
    --quiz-text: #333;
    --quiz-border: #d1d5db;
    --quiz-card-hover: #d1d5db;
    --quiz-card-selected: #f5ebe3;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
.fon_quiz {
  font-family: Arial, sans-serif;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
              url('img/fon_quiz.webp') no-repeat center / cover;;
  color: #333;
  padding: 60px 0px; /* чуть меньше на мобильных */
  margin: 0;
}

/* === КОНТЕЙНЕР === */
.quiz-container {
    background: #ffffff;
    width: 100%;
    max-width: 1080px;
    min-height: 400px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12),
                0 0 0 2px var(--accent-primary);
    padding: 50px;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

/* === АДАПТИВ КОНТЕЙНЕРА === */
@media (max-width: 1024px) {
    .fon_quiz {
        padding: 40px 20px;
    }
}
@media (max-width: 768px) {
    .quiz-container { 
        padding: 30px 24px; 
        border-radius: 12px; 
    }
    .fon_quiz {
        padding: 40px 20px;
    }
}
@media (max-width: 480px) {
    .quiz-container {
        padding: 22px 18px;
        border-radius: 10px;
    }
    .fon_quiz {
        padding: 40px 20px;
    }
}

/* === ПРОГРЕСС-БАР === */
.quiz-progress-wrap {
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    margin-bottom: 24px;
    overflow: hidden;
}
/* .quiz-progress-bar {
    height: 100%;
    background: var(--quiz-primary);
    width: 0%;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
} */
@media (max-width: 480px) {
    .quiz-progress-wrap { height: 6px; margin-bottom: 18px; }
}

/* === ИНДИКАТОР ШАГА === */
.quiz-step-info {
    text-align: right;
    font-size: 14px;
    color: #8b949e;
    margin-bottom: 32px;
    font-weight: 500;
}
@media (max-width: 480px) {
    .quiz-step-info { font-size: 13px; margin-bottom: 22px; }
}

/* === ЗАГОЛОВКИ (ИЗОЛИРОВАНЫ ЧЕРЕЗ .quiz-container) === */
.quiz-container h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.3;
    color: #1f2937;
}
@media (max-width: 768px) { .quiz-container h2 { font-size: 20px; margin-bottom: 20px; } }
@media (max-width: 480px) { .quiz-container h2 { font-size: 18px; margin-bottom: 18px; } }

.quiz-subtext {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 16px;
}
@media (max-width: 480px) { .quiz-subtext { font-size: 13px; margin-bottom: 14px; } }

/* === СЕТКА === */
.quiz-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: 1fr;
}
@media (min-width: 600px) { .quiz-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .quiz-grid { gap: 12px; } }

/* === КАРТОЧКИ === */
.quiz-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border: 2px solid var(--quiz-border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    width: 100%;
    position: relative;
}
.quiz-option:hover {
    border-color: var(--quiz-primary);
    background: var(--quiz-card-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.quiz-option input[type="radio"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid #9ca3af;
    border-radius: 50%;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s;
}
.quiz-option input[type="radio"]:checked {
    border-color: var(--quiz-primary);
    background: var(--quiz-primary);
}
.quiz-option span {
    font-size: 15px;
    line-height: 1.4;
    color: #111827;
    font-weight: 500;
}
.quiz-option:has(input:checked) {
    border-color: var(--quiz-primary);
    background: var(--quiz-card-selected);
    box-shadow: 0 6px 16px rgba(107, 78, 61, 0.15);
}
@media (max-width: 480px) {
    .quiz-option { padding: 12px 14px; border-radius: 8px; }
    .quiz-option:hover { transform: none; box-shadow: none; }
    .quiz-option span { font-size: 14px; }
    .quiz-option input[type="radio"] { width: 16px; height: 16px; }
}

/* === ПОЛЕ ТОЧНОЙ ПЛОЩАДИ === */
.quiz-custom-area {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px dashed #d1d5db;
}
.quiz-custom-area p {
    font-size: 15px;
    color: #6b7280;
    margin-bottom: 12px;
}
.quiz-custom-area input {
    width: 100%;
    max-width: 300px;
    padding: 16px 20px;
    border: 1px solid var(--quiz-border);
    border-radius: 10px;
    font-size: 17px;
    outline: none;
    transition: border-color 0.2s;
}
.quiz-custom-area input:focus {
    border-color: var(--quiz-primary);
    box-shadow: 0 0 0 3px rgba(107, 78, 61, 0.1);
}
@media (max-width: 480px) {
    .quiz-custom-area { margin-top: 18px; padding-top: 16px; }
    .quiz-custom-area p { font-size: 13px; margin-bottom: 8px; }
    .quiz-custom-area input { max-width: 100%; padding: 12px 14px; font-size: 16px; border-radius: 8px; }
}

/* === ПОЛЯ КОНТАКТОВ === */
.quiz-contact-fields {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 30px;
}
.quiz-contact-fields .quiz-input-group { flex: 1; min-width: 280px; }
.quiz-input-group { margin-bottom: 0; }
.quiz-input-group label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
}
.quiz-input-group input {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid var(--quiz-border);
    border-radius: 10px;
    font-size: 17px;
    outline: none;
    transition: border-color 0.2s;
}
.quiz-input-group input:focus {
    border-color: var(--quiz-primary);
    box-shadow: 0 0 0 3px rgba(107, 78, 61, 0.1);
}
@media (max-width: 768px) {
    .quiz-contact-fields { flex-direction: column; gap: 16px; margin-top: 24px; }
    .quiz-contact-fields .quiz-input-group { 
        min-width: 100%; 
    }
}
@media (max-width: 480px) {
    .quiz-input-group label { font-size: 14px; margin-bottom: 6px; }
    .quiz-input-group input { padding: 12px 14px; font-size: 16px; border-radius: 8px; }
}

/* === КНОПКИ === */
.quiz-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 36px;
    gap: 16px;
}
.quiz-btn {
    padding: 12px 28px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}
.quiz-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.quiz-btn-prev { background: #f0f0f0; color: #555; }
.quiz-btn-prev:not(:disabled):hover { background: #e5e5e5; }
.quiz-btn-next { background: var(--quiz-primary); color: #fff; margin-left: auto; }
.quiz-btn-next:not(:disabled):hover { opacity: 0.9; transform: translateY(-1px); }
.quiz-btn-submit { background: var(--quiz-accent); color: #fff; width: 100%; }
.quiz-btn-submit:not(:disabled):hover { opacity: 0.9; transform: translateY(-1px); }
@media (max-width: 480px) {
    .quiz-nav { margin-top: 28px; gap: 10px; }
    .quiz-btn { padding: 12px 20px; font-size: 15px; border-radius: 8px; }
    .quiz-btn-submit { width: 100%; padding: 14px 20px; }
}

/* === ШАГИ === */
.quiz-step { display: none; }
.quiz-step.active { display: block; }

/* === СООБЩЕНИЕ ОБ УСПЕХЕ === */
.quiz-success { text-align: center; padding: 60px 20px; }
.quiz-success h2 { color: var(--quiz-accent); margin-bottom: 12px; }
.quiz-success p { color: #666; font-size: 17px; }
@media (max-width: 480px) {
    .quiz-success { 
        padding: 40px 16px; 
    }
    .quiz-success h2 { 
        font-size: 20px; 
    }
    .quiz-success p { 
        font-size: 15px; 
    }
}

/* === АНИМАЦИЯ ОШИБКИ === */
.quiz-error-shake { animation: quiz-shake 0.4s; }
@keyframes quiz-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}