/* ==========================================================================
   FOGGO APPS BLOG — Minimalist design system
   See blog/DESIGN.md. Content first, whitespace + hairlines, no boxes.
   ========================================================================== */

*,
*::before,
*::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #f6f5f1;
    --text: #18211c;
    --text-2: #45504a;
    --muted: #6a746d;
    --green: #1f5132;
    --green-soft: #2c6b45;
    --amber: #d8a657;
    --amber-deep: #b9863a;
    --rule: rgba(24, 33, 28, 0.10);

    --serif: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;

    --reading: 680px;
    --maxw: 1080px;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--serif); letter-spacing: -0.02em; line-height: 1.18; }

a { color: var(--green); text-decoration: none; transition: color 0.18s ease; }
a:hover { color: var(--amber-deep); }

img { max-width: 100%; display: block; }

/* Minimalist: no decorative background */
.blob-bg { display: none !important; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
}

.header-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.05rem 1.5rem;
    max-width: var(--maxw);
    margin: 0 auto;
}

.logo-area { display: flex; align-items: center; gap: 0.65rem; color: var(--green); }
.logo-icon svg { width: 30px; height: 30px; }
.logo-text .brand-name {
    display: block;
    font-family: var(--serif);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.1;
    color: var(--green);
}
.logo-text p { font-size: 0.76rem; color: var(--muted); }

.main-nav ul { display: flex; align-items: center; gap: 1.5rem; list-style: none; }
.main-nav a { font-size: 0.95rem; font-weight: 500; color: var(--text-2); }
.main-nav a:hover,
.main-nav a[aria-current="page"] { color: var(--green); }

@media (max-width: 600px) {
    .main-nav ul { gap: 1.1rem; }
    .main-nav .nav-hide-sm { display: none; }
    .logo-text p { display: none; }
}

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: 0.82rem; color: var(--muted); padding: 1.5rem 0 0; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; }
.breadcrumb li::after { content: "/"; margin-left: 0.4rem; color: var(--rule); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--green); }

/* ==========================================================================
   BLOG INDEX — a clean list, not a grid of cards
   ========================================================================== */
.blog-hero { max-width: var(--reading); margin: 0 auto; padding: 3.5rem 1.5rem 1.5rem; text-align: center; }
.blog-hero .eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 0.9rem;
}
.blog-hero h1 { font-size: clamp(2rem, 5vw, 2.7rem); font-weight: 700; color: var(--text); margin-bottom: 0.9rem; }
.blog-hero p { color: var(--text-2); font-size: 1.08rem; max-width: 560px; margin: 0 auto; }

.blog-filter {
    max-width: var(--reading);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
}
.filter-chip {
    border: 1px solid var(--rule);
    background: none;
    color: var(--text-2);
    padding: 0.4rem 0.95rem;
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.filter-chip:hover { color: var(--green); border-color: var(--green-soft); }
.filter-chip.active { background: var(--green); color: #fff; border-color: var(--green); }
.filter-search { flex-basis: 100%; display: flex; justify-content: center; margin-top: 0.4rem; }
.filter-search input {
    width: 100%;
    max-width: 360px;
    padding: 0.55rem 1rem;
    border: 1px solid var(--rule);
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.95rem;
    background: #fff;
    color: var(--text);
}
.filter-search input:focus { outline: none; border-color: var(--green-soft); }

/* Remove grouping sub-headings — filter chips handle categories */
.grid-section-title { display: none !important; }

.post-grid {
    display: grid;
    grid-template-columns: 1fr;
    column-gap: 3.5rem;
    max-width: 1040px;
    margin: 1.5rem auto 4rem;
    padding: 0 1.5rem;
}

.post-card {
    display: block;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--rule);
}
.post-card-head { display: flex; align-items: center; gap: 0.95rem; }
.post-card-head img { width: 52px; height: 52px; border-radius: 13px; flex-shrink: 0; }
.post-card .cat {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--amber-deep);
}
.post-card h2 {
    font-size: 1.22rem;
    font-weight: 600;
    color: var(--text);
    margin-top: 0.12rem;
    transition: color 0.18s ease;
}

/* Desktop: editorial layout — a featured lead, then a two-column grid */
@media (min-width: 760px) {
    .post-grid { grid-template-columns: 1fr 1fr; }
    .post-card:first-child {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: auto 1fr;
        align-items: center;
        gap: 1.6rem;
        padding: 0 0 2rem;
        margin-bottom: 0.5rem;
        border-bottom: 1px solid var(--rule);
    }
    .post-card:first-child .post-card-head { display: contents; }
    .post-card:first-child .post-card-head img { width: 88px; height: 88px; border-radius: 20px; }
    .post-card:first-child h2 { font-size: 1.9rem; line-height: 1.12; }
    .post-card:first-child > p { grid-column: 2; font-size: 1.05rem; margin-top: 0.4rem; max-width: 56ch; }
    .post-card:first-child .read-more { grid-column: 2; }
}
.post-card:hover h2 { color: var(--green); }
.post-card > p { color: var(--text-2); font-size: 0.98rem; margin: 0.6rem 0 0; }
.post-card .read-more {
    margin-top: 0.6rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--green);
}
.post-card .read-more svg { transition: transform 0.2s ease; }
.post-card:hover .read-more svg { transform: translateX(3px); }

/* Filter visibility — must override the grid/featured display rules */
.post-card.is-hidden { display: none !important; }

.no-results { display: none; text-align: center; color: var(--muted); padding: 2.5rem 0 4rem; }

/* ==========================================================================
   ARTICLE
   ========================================================================== */
.article-head { max-width: var(--reading); margin: 0 auto; padding: 2.6rem 1.5rem 1.2rem; text-align: center; }
.article-head .app-icon-lg { width: 76px; height: 76px; border-radius: 18px; margin: 0 auto 1.2rem; }
.article-head .cat {
    display: inline-block;
    font-size: 0.74rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    margin-bottom: 0.7rem;
}
.article-head h1 { font-size: clamp(1.85rem, 4.6vw, 2.6rem); font-weight: 700; color: var(--text); margin-bottom: 1rem; }
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.45rem 0.8rem;
    color: var(--muted);
    font-size: 0.88rem;
}
.article-meta .author { color: var(--text-2); font-weight: 600; }
.article-meta .dot { color: var(--rule); }

article.post { max-width: var(--reading); margin: 0 auto; padding: 1rem 1.5rem 2rem; }
article.post .lede { font-size: 1.24rem; line-height: 1.6; color: var(--text-2); margin: 1.4rem 0 2.2rem; }
article.post h2 { font-size: 1.5rem; font-weight: 700; color: var(--text); margin: 2.6rem 0 0.9rem; }
article.post h3 { font-size: 1.15rem; font-weight: 600; color: var(--text); margin: 1.8rem 0 0.6rem; }
article.post p { margin-bottom: 1.2rem; color: var(--text); }
article.post ul,
article.post ol { margin: 0 0 1.4rem 1.2rem; color: var(--text); }
article.post li { margin-bottom: 0.6rem; padding-left: 0.25rem; }
article.post strong { color: var(--text); font-weight: 600; }
article.post blockquote {
    border-left: 2px solid var(--amber);
    padding-left: 1.1rem;
    margin: 1.6rem 0;
    color: var(--text-2);
    font-style: italic;
}
article.post a { text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; }
article.post a:hover { text-decoration-color: currentColor; }

/* ---------- Table: borderless, hairline rows ---------- */
.fact-table { width: 100%; border-collapse: collapse; margin: 1.8rem 0; font-size: 1rem; }
.fact-table th,
.fact-table td { text-align: left; padding: 0.72rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.fact-table th { width: 40%; font-weight: 600; color: var(--text); padding-right: 1rem; }
.fact-table td { color: var(--text-2); }

/* ---------- Charts: no card, sit in whitespace ---------- */
.chart { margin: 2.4rem 0; }
.chart-title {
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    text-align: center;
    margin-bottom: 1.1rem;
}
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }

.chart-grid {
    position: relative;
    display: flex;
    align-items: flex-end;
    gap: 0.55rem;
    height: 210px;
    padding-top: 28px;
    box-sizing: border-box;
    border-bottom: 2px solid var(--rule);
}
.chart-grid .col { position: relative; flex: 1; height: 100%; }
.chart-grid .col i {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    max-width: 38px;
    height: var(--h);
    border-radius: 5px 5px 0 0;
    background: var(--green);
}
.chart-grid .col.hot i { background: var(--amber); }
.chart-grid .col .val {
    position: absolute;
    bottom: var(--h);
    left: 0;
    right: 0;
    text-align: center;
    transform: translateY(-3px);
    font-size: 0.66rem;
    font-weight: 700;
    color: var(--text-2);
}
.chart-x { display: flex; gap: 0.55rem; margin-top: 0.45rem; }
.chart-x span { flex: 1; text-align: center; font-size: 0.72rem; font-weight: 600; color: var(--muted); }
.chart-x span.hot { color: var(--amber-deep); }
.chart-note { font-size: 0.82rem; color: var(--muted); margin-top: 0.95rem; line-height: 1.5; }

/* ---------- Screenshot carousel ---------- */
.shots { margin: 2.4rem 0; }
.shots-track { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.shots-track img {
    width: 25%;
    max-width: 150px;
    height: auto;
    aspect-ratio: 588 / 1272;
    object-fit: cover;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 1px 4px rgba(24, 33, 28, 0.08);
}
.shots figcaption { text-align: center; font-size: 0.82rem; color: var(--muted); margin-top: 0.8rem; }

@media (max-width: 640px) {
    .shots-track {
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 0.9rem;
        padding: 0.2rem 1.5rem 0.8rem;
        margin: 0 -1.5rem;
        scroll-padding: 0 1.5rem;
    }
    .shots-track::-webkit-scrollbar { display: none; }
    .shots-track img { flex: 0 0 auto; width: 40vw; max-width: 190px; scroll-snap-align: center; }
}

/* ---------- Get the app: flat row, hairline top + bottom ---------- */
.get-app {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2.6rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
}
.get-app > img { width: 48px; height: 48px; border-radius: 11px; flex-shrink: 0; }
.get-app-meta { flex: 1 1 120px; }
.get-app-meta strong { display: block; font-family: var(--serif); font-size: 1.05rem; color: var(--text); }
.get-app-meta span { font-size: 0.84rem; color: var(--muted); }
.get-app-badges { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.store-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--text);
    color: #fff;
    border-radius: 11px;
    padding: 0.48rem 0.85rem;
    transition: opacity 0.18s ease;
}
.store-badge:hover { color: #fff; opacity: 0.85; }
.store-badge svg { width: 20px; height: 20px; flex-shrink: 0; }
.store-badge span { display: flex; flex-direction: column; line-height: 1.05; }
.store-badge small { font-size: 0.58rem; letter-spacing: 0.03em; text-transform: uppercase; opacity: 0.85; }
.store-badge b { font-size: 0.92rem; font-weight: 600; }

@media (max-width: 560px) {
    .get-app { justify-content: flex-start; }
    .get-app-meta { flex-basis: auto; }
    .get-app-badges { width: 100%; }
}

/* ---------- FAQ: hairline rows ---------- */
.faq { margin: 2.4rem 0; }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary {
    cursor: pointer;
    padding: 1rem 2.4rem 1rem 0;
    font-weight: 600;
    color: var(--text);
    list-style: none;
    position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+";
    position: absolute;
    right: 0.2rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--amber-deep);
    line-height: 1;
}
.faq details[open] summary::after { content: "\2013"; }
.faq details > p { padding: 0 0 1.1rem; margin: 0; color: var(--text-2); }

/* ---------- Author: byline, no box, no avatar ---------- */
.author-box { margin: 2.8rem 0 0; padding-top: 1.7rem; border-top: 1px solid var(--rule); }
.author-box .avatar { display: none; }
.author-box h4 { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: 0.3rem; }
.author-box h4::before { content: "Written by "; color: var(--muted); font-weight: 400; }
.author-box p { font-size: 0.95rem; color: var(--text-2); margin: 0; }

/* ---------- Related: small label, flat rows ---------- */
.related { max-width: var(--reading); margin: 3rem auto 0; padding: 1.8rem 1.5rem 1rem; border-top: 1px solid var(--rule); }
.related h2 {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--muted);
    margin-bottom: 0.5rem;
}
.related-grid { display: block; }
.related-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--rule);
}
.related-card:last-child { border-bottom: none; }
.related-card img { width: 36px; height: 36px; border-radius: 9px; flex-shrink: 0; }
.related-card span { font-weight: 500; color: var(--text); transition: color 0.18s ease; }
.related-card:hover span { color: var(--green); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--rule); margin-top: 3rem; }
.footer-flex {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 2rem 1.5rem 1rem;
    max-width: var(--maxw);
    margin: 0 auto;
}
.footer-flex .brand { display: flex; align-items: center; gap: 0.55rem; font-family: var(--serif); color: var(--green); font-weight: 600; }
.footer-flex .brand svg { width: 26px; height: 26px; }
.footer-links { display: flex; gap: 1.3rem; flex-wrap: wrap; }
.footer-links a { color: var(--text-2); font-size: 0.9rem; }
.footer-links a:hover { color: var(--green); }
.copyright { width: 100%; text-align: center; color: var(--muted); font-size: 0.82rem; padding: 0 1.5rem 1.6rem; max-width: var(--maxw); margin: 0 auto; }

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}