/* ==========================================================================
   Buffoli Blog — Stylesheet
   Design tokens match the Astro homepage (Satoshi, accent #ffea97, dark #0a0a0a)
   ========================================================================== */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --font-sans: "Satoshi", sans-serif;
    --color-accent: #ffea97;
    --color-accent-hover: #ffe36b;
    --color-dark: #0a0a0a;
    --color-muted: #6b6b6b;
    --color-light-gray: #f5f5f5;
    --color-border: #e5e5e5;
    --color-white: #fff;
    --container-max: 1400px;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

html { scroll-behavior: smooth; }

body.buffoli-body {
    font-family: var(--font-sans);
    color: var(--color-dark);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* --- Container --- */
.buffoli-container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: 1.5rem;
}
.buffoli-container--narrow {
    max-width: 800px;
    margin-inline: auto;
    padding-inline: 1.5rem;
}

/* --- Navigation --- */
.buffoli-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.3s;
}
.buffoli-nav__inner {
    max-width: var(--container-max);
    margin-inline: auto;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.buffoli-nav__logo {
    height: 1.75rem;
}
@media (min-width: 768px) {
    .buffoli-nav__logo { height: 2rem; }
}
.buffoli-nav__logo-text {
    font-weight: 700;
    font-size: 1.125rem;
}
.buffoli-nav__links {
    display: none;
    align-items: center;
    gap: 2rem;
}
@media (min-width: 768px) {
    .buffoli-nav__links { display: flex; }
}
.buffoli-nav__link {
    font-size: 0.875rem;
    color: var(--color-muted);
    transition: color 0.15s;
}
.buffoli-nav__link:hover {
    color: var(--color-dark);
}
.buffoli-nav__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-accent);
    color: var(--color-dark);
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.625rem 1.25rem;
    border-radius: 9999px;
    transition: background 0.15s;
}
.buffoli-nav__cta:hover {
    background: var(--color-accent-hover);
}
.buffoli-nav__cta-icon {
    width: 1rem;
    height: 1rem;
}
.buffoli-nav__hamburger {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-dark);
}
@media (min-width: 768px) {
    .buffoli-nav__hamburger { display: none; }
}
.buffoli-nav__hamburger-icon {
    width: 1.5rem;
    height: 1.5rem;
}

/* Mobile menu */
.buffoli-mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--color-white);
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.buffoli-mobile-menu--open {
    opacity: 1;
    pointer-events: auto;
}
.buffoli-mobile-menu__close {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-dark);
}
.buffoli-mobile-menu__link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-dark);
}
.buffoli-mobile-menu__link--accent {
    color: var(--color-accent);
}

/* --- Blog Hero --- */
.buffoli-main {
    padding-top: 5rem;
}
.buffoli-blog-hero {
    padding: 4rem 0 2rem;
}
@media (min-width: 768px) {
    .buffoli-blog-hero { padding: 5rem 0 3rem; }
}
.buffoli-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-muted);
    font-family: "JetBrains Mono", "SF Mono", monospace;
    margin-bottom: 1rem;
}
.buffoli-blog-hero__title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.05;
    letter-spacing: -0.025em;
}
@media (min-width: 768px) {
    .buffoli-blog-hero__title { font-size: 3.75rem; }
}
@media (min-width: 1024px) {
    .buffoli-blog-hero__title { font-size: 4.5rem; }
}
.buffoli-blog-hero__desc {
    margin-top: 1.5rem;
    font-size: 1.125rem;
    color: var(--color-muted);
    max-width: 40rem;
    line-height: 1.625;
}

/* --- Blog Layout --- */
.buffoli-blog-content {
    padding-bottom: 4rem;
}
.buffoli-blog-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}
@media (min-width: 1024px) {
    .buffoli-blog-layout {
        grid-template-columns: 1fr 280px;
        gap: 3rem;
    }
}

/* --- Post Card --- */
.buffoli-blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
@media (min-width: 640px) {
    .buffoli-blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .buffoli-blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.buffoli-post-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.buffoli-post-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}
.buffoli-post-card__image-link {
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.buffoli-post-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}
.buffoli-post-card:hover .buffoli-post-card__image {
    transform: scale(1.03);
}
.buffoli-post-card__body {
    padding: 1.5rem;
}
.buffoli-post-card__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.buffoli-post-card__category {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-dark);
    background: var(--color-accent);
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
}
.buffoli-post-card__date {
    font-size: 0.75rem;
    color: var(--color-muted);
}
.buffoli-post-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.5rem;
}
.buffoli-post-card__title a {
    color: var(--color-dark);
    transition: color 0.15s;
}
.buffoli-post-card__title a:hover {
    color: var(--color-muted);
}
.buffoli-post-card__excerpt {
    font-size: 0.875rem;
    color: var(--color-muted);
    line-height: 1.625;
    margin-bottom: 1rem;
}
.buffoli-post-card__readmore {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark);
    transition: color 0.15s;
}
.buffoli-post-card__readmore:hover {
    color: var(--color-accent-hover);
}

/* --- Empty state --- */
.buffoli-blog-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    background: var(--color-light-gray);
    border-radius: var(--radius-lg);
}
.buffoli-blog-empty p:first-child {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}
.buffoli-blog-empty p:last-child {
    color: var(--color-muted);
}

/* --- Sidebar --- */
.buffoli-sidebar {
    order: 2;
}
.buffoli-sidebar-widget {
    background: var(--color-light-gray);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}
.buffoli-sidebar-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-dark);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}
.buffoli-category-list li {
    border-bottom: 1px solid var(--color-border);
}
.buffoli-category-list li:last-child {
    border-bottom: none;
}
.buffoli-category-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    transition: color 0.15s;
}
.buffoli-category-list a:hover {
    color: var(--color-accent-hover);
}
.buffoli-category-list__name {
    font-size: 0.875rem;
    font-weight: 500;
}
.buffoli-category-list__count {
    font-size: 0.75rem;
    color: var(--color-muted);
}

/* --- Pagination --- */
.buffoli-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 3rem 0 1rem;
}
.buffoli-pagination__btn {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark);
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: 9999px;
    transition: border-color 0.15s, background 0.15s;
}
.buffoli-pagination__btn:hover {
    border-color: var(--color-dark);
    background: var(--color-light-gray);
}
.buffoli-pagination__info {
    font-size: 0.875rem;
    color: var(--color-muted);
}

/* --- Single Post --- */
.buffoli-single__header {
    padding: 4rem 0 2rem;
}
@media (min-width: 768px) {
    .buffoli-single__header { padding: 5rem 0 3rem; }
}
.buffoli-single__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.buffoli-single__categories a {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-dark);
    background: var(--color-accent);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    transition: background 0.15s;
}
.buffoli-single__categories a:hover {
    background: var(--color-accent-hover);
}
.buffoli-single__date {
    font-size: 0.875rem;
    color: var(--color-muted);
}
.buffoli-single__title {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: var(--color-dark);
    text-align: left;
}
@media (min-width: 768px) {
    .buffoli-single__title { font-size: 3rem; }
}
.buffoli-single__excerpt {
    margin-top: 1.5rem;
    font-size: 1.125rem;
    color: var(--color-muted);
    line-height: 1.625;
}

/* Featured image */
.buffoli-single__featured {
    margin-bottom: 3rem;
}
.buffoli-single__featured-img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

/* Content layout with sidebar */
.buffoli-single__content-wrap {
    padding-bottom: 3rem;
}
.buffoli-single__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}
@media (min-width: 1024px) {
    .buffoli-single__layout {
        grid-template-columns: 1fr 280px;
        gap: 3rem;
    }
}

/* Prose styles for post content */
.buffoli-prose {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--color-dark);
}
.buffoli-prose > * + * {
    margin-top: 1.5em;
}
.buffoli-prose h2 {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.25;
    margin-top: 2.5em;
    margin-bottom: 0.75em;
    letter-spacing: -0.025em;
}
.buffoli-prose h3 {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
    margin-top: 2em;
    margin-bottom: 0.5em;
}
.buffoli-prose p {
    margin-top: 1.25em;
    margin-bottom: 1.25em;
}
.buffoli-prose a {
    color: var(--color-dark);
    text-decoration: underline;
    text-decoration-color: var(--color-accent);
    text-underline-offset: 2px;
    transition: text-decoration-color 0.15s;
}
.buffoli-prose a:hover {
    text-decoration-color: var(--color-dark);
}
.buffoli-prose strong {
    font-weight: 700;
}
.buffoli-prose ul, .buffoli-prose ol {
    padding-left: 1.5em;
    margin-top: 1.25em;
    margin-bottom: 1.25em;
}
.buffoli-prose ul {
    list-style-type: disc;
}
.buffoli-prose ol {
    list-style-type: decimal;
}
.buffoli-prose li {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}
.buffoli-prose blockquote {
    border-left: 3px solid var(--color-accent);
    padding-left: 1.25em;
    font-style: italic;
    color: var(--color-muted);
}
.buffoli-prose img {
    border-radius: var(--radius-lg);
    margin-top: 2em;
    margin-bottom: 2em;
}
.buffoli-prose code {
    font-family: "JetBrains Mono", "SF Mono", monospace;
    font-size: 0.875em;
    background: var(--color-light-gray);
    padding: 0.125em 0.375em;
    border-radius: 0.25rem;
}
.buffoli-prose pre {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    overflow-x: auto;
    font-family: "JetBrains Mono", "SF Mono", monospace;
    font-size: 0.875rem;
    line-height: 1.625;
}
.buffoli-prose pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* Post navigation */
.buffoli-single__nav-wrap {
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
}
.buffoli-post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.buffoli-post-nav__link {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color 0.15s;
}
.buffoli-post-nav__link:hover {
    border-color: var(--color-accent);
}
.buffoli-post-nav__link--next {
    text-align: right;
}
.buffoli-post-nav__label {
    font-size: 0.75rem;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.buffoli-post-nav__title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark);
    line-height: 1.3;
}

/* Back to blog */
.buffoli-single__back {
    padding: 2rem 0 4rem;
}

/* --- Buttons --- */
.buffoli-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    transition: all 0.15s;
    cursor: pointer;
    border: none;
}
.buffoli-btn--primary {
    background: var(--color-accent);
    color: var(--color-dark);
}
.buffoli-btn--primary:hover {
    background: var(--color-accent-hover);
}
.buffoli-btn--outline {
    background: transparent;
    color: var(--color-dark);
    border: 1px solid var(--color-border);
}
.buffoli-btn--outline:hover {
    border-color: var(--color-dark);
}

/* --- Footer --- */
.buffoli-footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 4rem 0;
}
.buffoli-footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}
@media (min-width: 768px) {
    .buffoli-footer__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
.buffoli-footer__brand {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}
.buffoli-footer__desc {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    line-height: 1.625;
    max-width: 20rem;
}
.buffoli-footer__heading {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}
.buffoli-footer__links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.buffoli-footer__links a,
.buffoli-footer__links p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    transition: color 0.15s;
}
.buffoli-footer__links a:hover {
    color: var(--color-white);
}
.buffoli-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}
@media (min-width: 768px) {
    .buffoli-footer__bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}
.buffoli-footer__bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
}
.buffoli-footer__bottom a {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
    transition: color 0.15s;
}
.buffoli-footer__bottom a:hover {
    color: rgba(255, 255, 255, 0.6);
}