/* static/css/misc.css */
/*
 * Квиз, сертификаты, NAD+ график, мобильные фиксы.
 * CSP-hardening: без reliance на inline styles.
 */

/* ═══════════════════════════════════════════════════════════
   0. SCIENCE (HOME + PAGE RHYTHM)
   ═══════════════════════════════════════════════════════════ */

.science-reasons {
    display: grid;
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .science-reasons {
        grid-template-columns: repeat(3, 1fr);
    }
}

.science-reason {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    border-radius: 1.25rem;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(229, 231, 235, 0.9);
    box-shadow: var(--shadow-sm);
    min-width: 0;
}

.science-reason__icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.9rem;
    background: rgba(13, 148, 136, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.science-reason__icon.is-purple {
    background: rgba(139, 92, 246, 0.12);
}

.science-reason__icon.is-cyan {
    background: rgba(6, 182, 212, 0.12);
}

.science-reason__svg {
    width: 1.125rem;
    height: 1.125rem;
    color: rgba(17, 24, 39, 0.85);
}

.science-reason__text {
    min-width: 0;
}

.science-reason__title {
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: 0.01em;
    line-height: 1.1;
    font-size: 0.875rem;
}

.science-reason__desc {
    font-size: 0.75rem;
    color: rgba(107, 114, 128, 0.95);
    margin-top: 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.science-flow {
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

@media (min-width: 768px) {
    .science-flow {
        gap: 4rem;
    }
}

/* ═══════════════════════════════════════════════════════════
   1. QUIZ (UPDATED PROGRESS)
   ═══════════════════════════════════════════════════════════ */

.quiz__progress {
    width: 100%;
    height: 10px;
    border-radius: 9999px;
    background: rgba(229, 231, 235, 0.9);
    overflow: hidden;
    border: 1px solid rgba(229, 231, 235, 0.95);
}

.quiz__progress-bar {
    height: 100%;
    width: 0%; /* default */
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.quiz__progress-bar.progress-step-0 { width: 5%; }
.quiz__progress-bar.progress-step-1 { width: 14%; }
.quiz__progress-bar.progress-step-2 { width: 28%; }
.quiz__progress-bar.progress-step-3 { width: 42%; }
.quiz__progress-bar.progress-step-4 { width: 57%; }
.quiz__progress-bar.progress-step-5 { width: 71%; }
.quiz__progress-bar.progress-step-6 { width: 85%; }
.quiz__progress-bar.progress-step-7 { width: 100%; }

.quiz__meta {
    margin-top: 0.9rem;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.quiz__step {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(17, 24, 39, 0.72);
}

.quiz__hint {
    font-size: 12px;
    color: rgba(107, 114, 128, 0.95);
}

.quiz__question {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--color-text);
    line-height: 1.15;
}

@media (min-width: 768px) {
    .quiz__question { font-size: 1.5rem; }
}

@media (min-width: 1024px) {
    .quiz__question { font-size: 1.75rem; }
}

.quiz__options {
    margin-top: 1.25rem;
    display: grid;
    gap: 0.75rem;
}

/* ─── Quiz Option ─────────────────────────────────────────── */

.quiz-option {
    width: 100%;
    text-align: left;
    border-radius: 1.25rem;
    border: 1px solid rgba(229, 231, 235, 0.95);
    background: rgba(249, 250, 251, 0.75);
    padding: 1rem;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
    cursor: pointer;
}

.quiz-option:hover {
    border-color: rgba(13, 148, 136, 0.35);
    background: rgba(13, 148, 136, 0.04);
    transform: translateY(-1px);
}

.quiz-option.is-selected {
    border-color: rgba(13, 148, 136, 0.55);
    background: rgba(13, 148, 136, 0.06);
}

.quiz-option__row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

@media (min-width: 768px) {
    .quiz-option__row { gap: 0.85rem; }
}

.quiz-option__dot {
    width: 18px;
    height: 18px;
    border-radius: 9999px;
    border: 2px solid rgba(13, 148, 136, 0.35);
    margin-top: 2px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.quiz-option.is-selected .quiz-option__dot {
    border-color: rgba(13, 148, 136, 0.9);
}

.quiz-option__dot::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 9999px;
    background: rgba(13, 148, 136, 0.9);
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.quiz-option.is-selected .quiz-option__dot::after {
    opacity: 1;
    transform: scale(1);
}

.quiz-option__title {
    font-weight: 800;
    color: var(--color-text);
    font-size: 13px;
    letter-spacing: 0.01em;
}

@media (min-width: 768px) {
    .quiz-option__title { font-size: 14px; }
}

.quiz-option__desc {
    margin-top: 0.25rem;
    color: rgba(107, 114, 128, 0.95);
    font-size: 12px;
    line-height: 1.45;
}

@media (min-width: 768px) {
    .quiz-option__desc { font-size: 13px; }
}

/* ─── Quiz Why ───────────────────────────── */

.quiz__why {
    margin-top: 0.75rem;
    display: grid;
    gap: 0.5rem;
}

.quiz-why-item {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    color: rgba(17, 24, 39, 0.78);
    font-size: 13px;
    line-height: 1.45;
}

@media (min-width: 768px) {
    .quiz-why-item { font-size: 14px; }
}

.quiz-why-item i {
    width: 16px;
    height: 16px;
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 2px;
}

.quiz__actions--auto-next #quiz-next {
    display: none;
}

#quiz-back:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none !important;
}

/* ═══════════════════════════════════════════════════════════
   2. NAD+ LINE CHART (Замедленная анимация)
   ═══════════════════════════════════════════════════════════ */

.nad-graph-container {
    padding: 1.5rem;
    background: white;
    border-radius: 2rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
    .nad-graph-container {
        padding: 2rem;
    }
}

.nad-line-wrap {
    position: relative;
    margin-top: 1rem;
}

.nad-line-svg {
    width: 100%;
    height: auto;
    display: block;
    overflow: visible;
}

/* ЗАМЕДЛЕНИЕ ГРАФИКА В 2.5 РАЗА */
.nad-line-path {
    stroke-dasharray: 1600;
    stroke-dashoffset: 1600;
    transition: stroke-dashoffset 4.0s cubic-bezier(0.4, 0, 0.2, 1); 
}

.nad-area-path {
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 3.0s ease 0.5s, transform 3.0s ease 0.5s; 
}

.nad-line-wrap.is-visible .nad-line-path {
    stroke-dashoffset: 0;
}

.nad-line-wrap.is-visible .nad-area-path {
    opacity: 1;
    transform: translateY(0);
}

/* ─── NAD Points ──────────────────────────────────────────── */

.nad-point {
    cursor: pointer;
    outline: none;
}

.nad-point-ring {
    fill: rgba(255, 255, 255, 0.95);
    stroke: rgba(13, 148, 136, 0.9);
    stroke-width: 3;
}

.nad-point.is-active .nad-point-ring,
.nad-point:focus .nad-point-ring {
    fill: rgba(13, 148, 136, 0.95);
    stroke: rgba(255, 255, 255, 0.95);
}

.nad-point-core {
    fill: rgba(13, 148, 136, 0.95);
    opacity: 0.35;
}

.nad-point.is-active .nad-point-core,
.nad-point:focus .nad-point-core {
    opacity: 0.65;
}

/* ─── NAD Tooltip (SVG, CSP-safe) ─────────────────────────── */

.nad-tooltip {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
}

.nad-tooltip.is-visible {
    opacity: 1;
}

.nad-tooltip__rect {
    fill: rgba(17, 24, 39, 0.92);
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 1;
}

.nad-tooltip__arrow {
    fill: rgba(17, 24, 39, 0.92);
    stroke: rgba(255, 255, 255, 0.06);
    stroke-width: 1;
}

.nad-tooltip__kicker {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    fill: rgba(255, 255, 255, 0.65);
}

.nad-tooltip__value {
    font-family: 'Oswald', sans-serif;
    font-size: 24px;
    font-weight: 700;
    fill: rgba(255, 255, 255, 0.95);
}

.nad-tooltip__note {
    font-size: 12px;
    fill: rgba(255, 255, 255, 0.78);
}

.nad-insight {
    margin-top: 1.25rem;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary-light));
    border-radius: 1rem;
    border-left: 4px solid var(--color-primary);
}

.nad-insight p {
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.6;
}

.nad-insight strong {
    color: var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════
   3. CERTIFICATES GRID
   ═══════════════════════════════════════════════════════════ */

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

@media (min-width: 768px) {
    .certificates-grid {
        gap: 1rem;
    }
}

@media (min-width: 1024px) {
    .certificates-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

.certificate-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: 0.625rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

@media (min-width: 768px) {
    .certificate-card {
        padding: 0.75rem;
    }
}

.certificate-card:hover {
    border-color: rgba(13, 148, 136, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.certificate-card__image {
    aspect-ratio: 1 / 1.41;
    background: #F3F4F6;
    border-radius: 0.5rem;
    overflow: hidden;
    margin-bottom: 0.5rem;
    border: 1px solid rgba(0, 0, 0, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 768px) {
    .certificate-card__image {
        margin-bottom: 0.75rem;
    }
}

.certificate-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.certificate-card:hover .certificate-card__image img {
    transform: scale(1.05);
}

.certificate-card__title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    text-align: center;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .certificate-card__title {
        font-size: 11px;
    }
}

.certificate-card__desc {
    font-size: 9px;
    color: var(--color-muted);
    text-align: center;
    margin-top: 0.25rem;
    display: none;
}

@media (min-width: 768px) {
    .certificate-card__desc {
        display: block;
        font-size: 10px;
    }
}

/* ═══════════════════════════════════════════════════════════
   4. MOBILE FIXES (320px–375px)
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 359px) {
    .quiz__actions {
        flex-direction: column;
        gap: 0.5rem;
    }

    .quiz__actions .btn-primary,
    .quiz__actions .btn-secondary {
        width: 100%;
    }

    .quiz-option {
        padding: 0.75rem;
    }

    .quiz-option__title {
        font-size: 12px;
    }

    .quiz-option__desc {
        font-size: 11px;
    }
}

@media (max-width: 375px) {
    .accordion-btn span {
        font-size: 1rem;
        word-break: break-word;
    }
}

/* ═══════════════════════════════════════════════════════════
   5. REDUCED MOTION (global catch-all)
   ═══════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    .nad-line-path,
    .nad-area-path {
        transition: none !important;
    }

    .dna-glow {
        animation: none !important;
    }

    .nad-tooltip {
        transition: none !important;
    }
}