.article-progress {
    position: fixed;
    top: var(--header-height);
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--color-accent), #fff);
    z-index: 999;
    transition: width 0.1s linear;
    box-shadow: 0 0 12px rgba(230, 251, 4, 0.5);
}

.page-content--interactive {
    max-width: 820px;
}

.article-lead {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 24px;
    align-items: start;
    padding: 32px;
    margin: 0 0 40px;
    background: var(--color-gray-dark);
    border: 1px solid var(--color-gray-mid);
}

.article-lead__icon {
    width: 56px;
    height: 56px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.article-lead__icon svg {
    width: 100%;
    height: 100%;
}

.article-lead__text {
    font-size: 1.15rem;
    line-height: 1.65;
    color: var(--color-white);
    margin: 0;
}

.article-lead__label {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.article-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 40px 0;
}

.article-stat {
    padding: 24px 20px;
    background: var(--color-gray-dark);
    border: 1px solid var(--color-gray-mid);
    text-align: center;
    transition: border-color var(--transition), transform var(--transition);
}

.article-stat:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.article-stat__number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.25rem;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 8px;
}

.article-stat__label {
    font-size: 0.75rem;
    color: var(--color-gray);
    letter-spacing: 0.05em;
    line-height: 1.4;
}

.article-highlight {
    position: relative;
    padding: 28px 28px 28px 72px;
    margin: 36px 0;
    background: rgba(230, 251, 4, 0.06);
    border: 1px solid rgba(230, 251, 4, 0.25);
    overflow: hidden;
}

.article-highlight__icon {
    position: absolute;
    left: 24px;
    top: 28px;
    width: 32px;
    height: 32px;
    color: var(--color-accent);
}

.article-highlight p {
    margin: 0;
    color: #e0e0e0;
    font-size: 0.95rem;
}

.article-highlight strong {
    color: var(--color-accent);
}

.article-pullquote {
    margin: 48px 0;
    padding: 40px 32px;
    border-top: 2px solid var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
    text-align: center;
}

.article-pullquote p {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--color-white);
    line-height: 1.35;
    margin: 0 0 12px;
    font-style: italic;
}

.article-pullquote cite {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    font-style: normal;
}

.article-steps {
    margin: 40px 0;
    counter-reset: step;
}

.article-step {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid var(--color-gray-mid);
    counter-increment: step;
}

.article-step:last-child {
    border-bottom: none;
}

.article-step__marker {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    font-family: var(--font-display);
    font-size: 1.25rem;
    position: relative;
}

.article-step__marker::before {
    content: counter(step, decimal-leading-zero);
}

.article-step__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.article-step__text {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin: 0;
    line-height: 1.65;
}

.article-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 36px 0;
}

.article-card-tip {
    padding: 28px;
    background: var(--color-gray-dark);
    border: 1px solid var(--color-gray-mid);
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.article-card-tip:hover {
    border-color: var(--color-accent);
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(230, 251, 4, 0.08);
}

.article-card-tip__icon {
    width: 36px;
    height: 36px;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.article-card-tip h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-white);
    margin-bottom: 10px;
}

.article-card-tip p {
    font-size: 0.85rem;
    color: var(--color-gray);
    margin: 0;
    line-height: 1.6;
}

.article-accordion {
    margin: 40px 0;
    border: 1px solid var(--color-gray-mid);
}

.article-accordion__item {
    border-bottom: 1px solid var(--color-gray-mid);
}

.article-accordion__item:last-child {
    border-bottom: none;
}

.article-accordion__trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: var(--color-gray-dark);
    border: none;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}

.article-accordion__trigger:hover {
    background: rgba(230, 251, 4, 0.05);
    color: var(--color-accent);
}

.article-accordion__trigger[aria-expanded="true"] {
    color: var(--color-accent);
    background: rgba(230, 251, 4, 0.08);
}

.article-accordion__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-accent);
    transition: transform var(--transition);
}

.article-accordion__trigger[aria-expanded="true"] .article-accordion__icon {
    transform: rotate(45deg);
}

.article-accordion__panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-accordion__panel-inner {
    padding: 0 24px 24px;
    background: rgba(26, 26, 26, 0.8);
}

.article-accordion__panel-inner p {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin: 0;
    line-height: 1.65;
}

.article-checklist {
    margin: 36px 0;
    padding: 28px;
    background: var(--color-gray-dark);
    border: 1px solid var(--color-gray-mid);
}

.article-checklist__title {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.article-checklist ul {
    margin: 0;
    padding: 0;
}

.article-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-gray-mid);
    font-size: 0.9rem;
    color: #ccc;
    list-style: none;
}

.article-checklist li:last-child {
    border-bottom: none;
}

.article-checklist__check {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-accent);
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.article-checklist li.checked .article-checklist__check {
    opacity: 1;
    transform: scale(1);
}

.article-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 48px 0;
    color: var(--color-accent);
}

.article-divider__line {
    flex: 1;
    height: 1px;
    background: var(--color-gray-mid);
}

.article-divider svg {
    width: 24px;
    height: 24px;
    animation: spinSlow 8s linear infinite;
}

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

.article-pulse-ring {
    animation: pulseRing 2s ease-in-out infinite;
    transform-origin: center;
}

@keyframes pulseRing {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.08); }
}

.article-float {
    animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.article-draw-line {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: drawLine 2s ease forwards;
}

@keyframes drawLine {
    to { stroke-dashoffset: 0; }
}

.reveal-up {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-up:nth-child(2) { transition-delay: 0.08s; }
.reveal-up:nth-child(3) { transition-delay: 0.16s; }

.article-cta-box {
    margin: 48px 0 0;
    padding: 36px;
    text-align: center;
    border: 2px solid var(--color-accent);
    background: rgba(230, 251, 4, 0.04);
}

.article-cta-box h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.article-cta-box p {
    color: var(--color-gray);
    margin-bottom: 0;
    font-size: 0.9rem;
}

.page-content--interactive h2 {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-content--interactive h2 .h2-marker {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .article-stats {
        grid-template-columns: 1fr;
    }

    .article-cards {
        grid-template-columns: 1fr;
    }

    .article-lead {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .article-lead__icon {
        width: 44px;
        height: 44px;
    }
}