:root {
    /* Retro palette: orange, teal, black, grey */
    --color-bg: #ffffff;
    --color-surface: #F4F2F2;
    --color-text: #1D2128;
    --color-muted: rgba(29, 33, 40, 0.62);
    --color-border: rgba(29, 33, 40, 0.14);
    --color-primary: #215E61;
    --color-primary-dark: #1A4B4E;
    --color-primary-bg: rgba(33, 94, 97, 0.08);
    --color-accent: #FF9E20;
    --color-accent-dark: #D8862B;
    --color-accent-bg: rgba(255, 158, 32, 0.14);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --max-width: 1080px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.5;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.site-header {
    background: var(--color-primary);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem 1.25rem;
}

.site-header__brand {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.site-header__name {
    font-weight: 700;
    font-size: 1.25rem;
    color: #ffffff;
}

.site-header__name:hover {
    text-decoration: none;
}

.site-header__tagline {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.75);
}

.site-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav a {
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 400;
}

.site-nav a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.site-main {
    min-height: 60vh;
    padding: 2rem 0;
}

.breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
    font-size: 0.875rem;
    color: var(--color-muted);
}

.breadcrumbs li:not(:last-child)::after {
    content: "/";
    margin-left: 0.35rem;
}

.related-content {
    margin: 2.5rem 0;
    padding: 1.25rem;
    background: var(--color-surface);
    border-radius: 0.5rem;
    border-left: 4px solid var(--color-primary);
}

.related-content--articles {
    border-left-color: var(--color-accent);
}

.related-content h2 {
    margin-top: 0;
    font-size: 1.1rem;
}

.related-content ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.faq-block {
    margin: 2.5rem 0;
}

.faq-block__item {
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
}

.faq-block__item summary {
    cursor: pointer;
    font-weight: 600;
}

.ad-slot {
    margin: 1.5rem 0;
    text-align: center;
    min-height: 90px;
}

.share-buttons {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
}

.share-buttons button {
    border: 1px solid var(--color-accent);
    background: var(--color-accent-bg);
    color: var(--color-accent-dark);
    padding: 0.4rem 0.9rem;
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
}

.share-buttons button:hover {
    background: var(--color-accent);
    color: var(--color-text);
}

.calculator-grid,
.article-grid {
    list-style: none;
    margin: 0 0 2rem;
    padding: 0;
    display: grid;
    gap: 0.6rem;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.calculator-grid--soon a {
    color: var(--color-muted);
}

.article-list {
    list-style: none;
    margin: 1.5rem 0 2rem;
    padding: 0;
    display: grid;
    gap: 1.25rem;
}

.article-list__item {
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

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

.article-list__item h2 {
    margin: 0.3rem 0 0.35rem;
    font-size: 1.15rem;
}

.article-list__category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-primary);
}

.article-list__desc {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: 2rem 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.pagination__status {
    color: var(--color-muted);
    font-size: 0.9rem;
}

.pagination__link {
    font-weight: 600;
}

.calculator-placeholder__note {
    color: var(--color-muted);
    max-width: 560px;
}

.site-footer {
    border-top: 1px solid var(--color-border);
    margin-top: 3rem;
}

.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem 1.25rem;
    color: var(--color-muted);
    font-size: 0.875rem;
}

.site-footer__links {
    display: flex;
    gap: 1rem;
}

.home-hero {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    padding: 2.5rem 1.5rem;
    margin: 1.5rem 0;
    max-width: none;
    background: linear-gradient(135deg, var(--color-primary-bg), var(--color-surface));
    border-radius: 0.75rem;
}

.home-hero__text {
    flex: 1 1 auto;
}

.home-hero h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary-dark);
}

.home-hero__calc {
    flex: 0 0 auto;
    width: 280px;
    padding: 1.25rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    box-shadow: 0 4px 16px rgb(0 0 0 / 6%);
}

.home-hero__calc h2 {
    margin: 0 0 0.75rem;
    font-size: 0.95rem;
    color: var(--color-muted);
    font-weight: 600;
}

.home-hero__calc .calculator-keypad {
    max-width: none;
    margin: 0;
}

.home-hero__calc-link {
    display: block;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    text-align: center;
}

@media (max-width: 640px) {
    .home-hero {
        flex-direction: column;
        align-items: stretch;
    }

    .home-hero__calc {
        width: auto;
    }
}

.home-articles {
    margin: 2rem 0 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.home-articles__all {
    display: inline-block;
    margin-top: 0.5rem;
    font-weight: 600;
}

.category-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin: 2rem 0 3rem;
}

.category-card {
    display: block;
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-primary);
    border-radius: 0.75rem;
    color: var(--color-text);
    background: var(--color-bg);
    box-shadow: 0 1px 2px rgb(0 0 0 / 4%);
    transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgb(0 0 0 / 8%);
    text-decoration: none;
}

.category-card--soon {
    border-top-color: var(--color-accent);
    opacity: 0.92;
}

.category-card__title {
    margin: 0 0 0.5rem;
    font-size: 1.15rem;
}

.category-card__desc {
    margin: 0 0 0.75rem;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.category-card__count {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-bg);
    border-radius: 999px;
    padding: 0.2rem 0.6rem;
}

.category-card__badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-accent-dark);
    background: var(--color-accent-bg);
    border-radius: 999px;
    padding: 0.2rem 0.6rem;
}

.category-page__empty {
    color: var(--color-muted);
}

@media (max-width: 640px) {
    .category-cards {
        grid-template-columns: 1fr;
    }
}