/* ============================================
   SuspenseAI Blog — Editorial theme
   ============================================ */

:root {
    --brand: #1B8415;
    --brand-dark: #14660F;
    --brand-soft: #b8e6c3;
    --brand-tint: #e8f5e9;
    --brand-bg: #eef7ee;
    --ink: #121926;
    --muted: #435166;
    --line: #ebebeb;
    --bg: #ffffff;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 1600px;
    --gutter: clamp(16px, 3vw, 40px);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

/* ===== NAV ===== */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.nav-wrap {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand { display: inline-flex; align-items: center; gap: 9px; }
.brand-mark { width: 26px; height: 26px; color: var(--brand); flex-shrink: 0; }
.brand-name {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.8px;
    color: var(--brand);
    line-height: 1;
}
.brand-name span { color: var(--brand); }

.nav-links {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    padding: 8px 12px;
    border-radius: 6px;
    letter-spacing: -0.2px;
    transition: color .18s;
}
.nav-links a:hover { color: var(--brand); }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-subscribe {
    background: var(--brand);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.2px;
    padding: 9px 18px;
    border-radius: 6px;
    transition: background .18s;
}
.nav-subscribe:hover { background: var(--brand-dark); }

.nav-toggle { display: none; background: none; border: none; color: var(--ink); padding: 4px; }

/* social icons */
.nav-socials { display: flex; align-items: center; gap: 4px; }
.social-link {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 8px;
    color: var(--muted); transition: color .18s, background .18s;
}
.social-link:hover { color: var(--brand); background: var(--brand-tint); }
.social-link svg { width: 18px; height: 18px; display: block; }
.nav-mobile-socials { display: none; gap: 6px; margin-top: 16px; }
.nav-mobile-socials .social-link { width: 38px; height: 38px; border: 1px solid var(--line); }
@media (max-width: 900px) {
    .nav-socials { display: none; }
    .nav-mobile-socials { display: flex; }
}

.nav-mobile { display: none; flex-direction: column; padding: 12px var(--gutter) 20px; border-bottom: 1px solid var(--line); }
.nav-mobile.open { display: flex; }
.nav-mobile a { padding: 11px 4px; font-size: 15px; font-weight: 500; color: var(--muted); border-bottom: 1px solid var(--line); }
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile .nav-subscribe { margin-top: 12px; text-align: center; color: #fff; }

/* ===== HERO ===== */
.suspenseai-blog-hero {
    padding: clamp(40px, 6vw, 72px) 0 clamp(28px, 4vw, 44px);
    border-bottom: 1px solid var(--line);
}
.hero-heading {
    font-size: clamp(30px, 4.6vw, 46px);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -1.8px;
    color: var(--ink);
    max-width: 760px;
}
.hero-sub {
    margin-top: 14px;
    font-size: 16px;
    color: var(--muted);
    max-width: 620px;
}

/* ===== FILTER BAR ===== */
.suspenseai-filterbar {
    background: transparent;
    padding: 20px 0;
}
.filterbar-row { display: flex; align-items: center; gap: 18px; flex-wrap: nowrap; }
.filterbar-left { display: flex; align-items: center; gap: 14px; flex: 1 1 auto; min-width: 0; }

/* sort dropdown */
.sortby { position: relative; flex-shrink: 0; }
.sortby-toggle {
    display: inline-flex; align-items: center; gap: 8px;
    background: #fff; border: 1px solid #d6e4d6; border-radius: 8px;
    padding: 11px 14px; font-size: 14px; font-weight: 500; color: var(--ink);
}
.sortby-toggle .chev { color: var(--muted); transition: transform .2s; }
.sortby.open .sortby-toggle .chev { transform: rotate(180deg); }
.sortby-menu {
    position: absolute; top: calc(100% + 6px); left: 0; min-width: 150px;
    list-style: none; margin: 0; padding: 6px;
    background: #fff; border: 1px solid var(--line); border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,.10);
    opacity: 0; visibility: hidden; transform: translateY(-4px);
    transition: opacity .16s, transform .16s, visibility .16s; z-index: 50;
}
.sortby.open .sortby-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.sortby-menu li { padding: 9px 12px; border-radius: 6px; font-size: 14px; color: var(--ink); cursor: pointer; }
.sortby-menu li:hover { background: var(--brand-tint); }
.sortby-menu li.active { color: var(--brand); font-weight: 600; }

.filterbar-divider { width: 1px; height: 28px; background: #cfe0cf; flex-shrink: 0; }

/* category pills */
.filter-pills {
    display: flex; align-items: center; gap: 12px;
    flex: 1 1 auto; min-width: 0;
    flex-wrap: nowrap; overflow-x: auto;
    scrollbar-width: none; -ms-overflow-style: none;
    padding-bottom: 2px;
}
.filter-pills::-webkit-scrollbar { display: none; }
.filter-pills .pill {
    display: inline-flex; align-items: center; flex: 0 0 auto; height: 36px; padding: 0 16px;
    border-radius: 999px; border: 1.5px solid var(--brand);
    background: #fff; color: var(--brand);
    font-size: 12px; font-weight: 600; white-space: nowrap;
    transition: background .18s, color .18s;
}
.filter-pills .pill:hover { background: var(--brand-tint); }
.filter-pills .pill.active { background: var(--brand); color: #fff; }

/* search */
.filterbar-search { position: relative; flex: 0 0 320px; }
.filterbar-search .search-ic { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.filterbar-search input {
    width: 100%; height: 48px;
    border: 1px solid #d6e4d6; border-radius: 10px; background: #fff;
    padding: 0 16px 0 42px; font-size: 15px; font-family: inherit; color: var(--ink); outline: none;
}
.filterbar-search input::placeholder { color: var(--muted); }
.filterbar-search input:focus { border-color: var(--brand); }

@media (max-width: 720px) {
    .filterbar-row { flex-direction: column; align-items: stretch; gap: 14px; }
    .filterbar-search { flex: 1 1 auto; }
}

/* ===== GRID ===== */
.suspenseai-blog-grid-section { padding: clamp(36px, 5vw, 56px) 0; }

.section-label {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--ink);
    margin-bottom: 28px;
}

.suspenseai-blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
    column-gap: 32px;
    row-gap: 52px;
}

.suspenseai-blog-card a { display: block; color: inherit; }

.card-thumbnail {
    position: relative;
    aspect-ratio: 287 / 174;
    border-radius: 6px;
    overflow: hidden;
    background: var(--brand-tint);
}
.card-thumbnail img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s ease;
}
.suspenseai-blog-card a:hover .card-thumbnail img { transform: scale(1.04); }
.card-thumbnail .placeholder-icon {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 44px; height: 44px;
}

.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 18px;
    padding-top: 10px;
    border-top: 1px solid var(--brand);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.card-category { color: var(--brand); }
.card-date { color: var(--muted); white-space: nowrap; }

.card-title {
    margin-top: 14px;
    font-size: 18px;
    font-weight: 500;
    line-height: 1.25;
    letter-spacing: -0.5px;
    color: var(--ink);
    transition: color .18s;
}
.suspenseai-blog-card a:hover .card-title { color: var(--brand); }

.card-excerpt {
    margin-top: 10px;
    font-size: 13.5px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--muted);
}

.suspenseai-no-results {
    grid-column: 1 / -1;
    padding: 48px 0;
    color: var(--muted);
    font-size: 16px;
}

/* ===== PAGINATION ===== */
.suspenseai-pagination { margin-top: 48px; }
.suspenseai-pagination .nav-links { justify-content: center; gap: 8px; flex-wrap: wrap; }
.suspenseai-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    transition: border-color .18s, color .18s, background .18s;
}
.suspenseai-pagination .page-numbers:hover { border-color: var(--brand); color: var(--brand); }
.suspenseai-pagination .page-numbers.current {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}
.suspenseai-pagination .page-numbers.dots { border: none; }

/* ===== NEWSLETTER BAND ===== */
.suspenseai-cta {
    background: var(--brand);
    padding: clamp(56px, 8vw, 88px) 0;
    scroll-margin-top: 80px;
}
.suspenseai-cta-inner { max-width: 640px; margin-inline: auto; text-align: center; }
.suspenseai-cta-title {
    font-size: clamp(28px, 4.4vw, 44px);
    font-weight: 600;
    line-height: 1.12;
    letter-spacing: -1.6px;
    color: #fff;
    margin-bottom: 28px;
}
.suspenseai-cta-form { max-width: 460px; margin-inline: auto; }
.suspenseai-cta-field { display: flex; gap: 10px; }
.suspenseai-cta-email {
    flex: 1;
    min-width: 0;
    height: 52px;
    border: none;
    border-radius: 6px;
    padding: 0 18px;
    font-size: 15px;
    font-family: inherit;
    color: var(--ink);
    background: #fff;
    outline: none;
}
.suspenseai-cta-email::placeholder { color: var(--muted); }
.suspenseai-cta-btn {
    height: 52px;
    padding: 0 26px;
    border: none;
    border-radius: 6px;
    background: var(--brand-soft);
    color: var(--ink);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.3px;
    transition: filter .18s;
    white-space: nowrap;
}
.suspenseai-cta-btn:hover { filter: brightness(1.06); }
.suspenseai-cta-note { margin-top: 16px; font-size: 13px; color: #d7ecdb; }
.suspenseai-cta-error { display: block; margin-top: 10px; font-size: 13px; color: #ffdede; min-height: 18px; }

/* ===== FOOTER ===== */
.site-footer {
    border-top: 1px solid var(--line);
    padding: clamp(40px, 6vw, 72px) 0 40px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 32px;
}
.brand--footer .brand-name { font-size: 22px; }
.footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ink);
    margin-bottom: 18px;
}
.footer-col a {
    display: block;
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 12px;
    transition: color .18s;
}
.footer-col a:hover { color: var(--brand); }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    font-size: 13px;
    color: var(--muted);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a:hover { color: var(--brand); }

/* ===== SINGLE POST ===== */
.suspenseai-post-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(24px, 4vw, 56px);
    align-items: center;
    padding: clamp(36px, 5vw, 56px) 0 clamp(24px, 3vw, 36px);
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
}
.post-updated-date { font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; color: var(--brand); }
.post-title {
    margin-top: 14px;
    font-size: clamp(28px, 3.6vw, 42px);
    font-weight: 600;
    line-height: 1.14;
    letter-spacing: -1.4px;
    color: var(--ink);
}
.post-author-row { display: flex; align-items: center; gap: 10px; margin-top: 22px; }
.post-author-avatar { border-radius: 50%; }
.post-author-name { font-size: 14px; font-weight: 500; color: var(--muted); }
.post-header-right img { width: 100%; border-radius: 10px; aspect-ratio: 16/10; object-fit: cover; }

.suspenseai-post-divider { max-width: var(--max-width); margin-inline: auto; padding-inline: var(--gutter); }
.suspenseai-post-divider hr { border: none; border-top: 1px solid var(--line); }

.suspenseai-post-body {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: clamp(32px, 5vw, 64px);
    max-width: var(--max-width);
    margin-inline: auto;
    padding: clamp(36px, 5vw, 56px) var(--gutter);
}
.suspenseai-toc { align-self: start; position: sticky; top: 88px; }
.suspenseai-toc h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--ink); margin-bottom: 16px; }
.suspenseai-toc-list { list-style: none; }
.suspenseai-toc-list li { margin-bottom: 10px; }
.suspenseai-toc-list a { font-size: 14px; color: var(--muted); transition: color .18s; }
.suspenseai-toc-list a:hover, .suspenseai-toc-list a.active { color: var(--brand); }

.suspenseai-post-content { font-size: 16px; line-height: 1.75; color: #1f2937; max-width: 760px; }
.suspenseai-post-content > * + * { margin-top: 20px; }
.suspenseai-post-content h2 { font-size: 26px; font-weight: 600; line-height: 1.25; letter-spacing: -0.6px; color: var(--ink); margin-top: 40px; }
.suspenseai-post-content h3 { font-size: 21px; font-weight: 600; color: var(--ink); margin-top: 32px; }
.suspenseai-post-content a { color: var(--brand); text-decoration: underline; }
.suspenseai-post-content img { border-radius: 8px; }
.suspenseai-post-content ul, .suspenseai-post-content ol { padding-left: 22px; }
.suspenseai-post-content blockquote {
    border-left: 3px solid var(--brand);
    padding-left: 18px;
    color: var(--muted);
    font-style: italic;
}

.suspenseai-related-posts {
    max-width: var(--max-width);
    margin-inline: auto;
    padding: clamp(36px, 5vw, 56px) var(--gutter);
    border-top: 1px solid var(--line);
}
.suspenseai-related-posts h2 { font-size: 22px; font-weight: 600; color: var(--ink); margin-bottom: 28px; }
.suspenseai-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
    column-gap: 32px;
    row-gap: 40px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .nav-toggle { display: inline-flex; }
    .suspenseai-post-body { grid-template-columns: 1fr; }
    .suspenseai-toc { position: static; display: none; }
    .suspenseai-post-header { grid-template-columns: 1fr; }
    .post-header-right { order: -1; }
}
@media (max-width: 760px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
    .nav-subscribe { display: none; }
    .nav-actions .nav-toggle { display: inline-flex; }
    .suspenseai-cta-field { flex-direction: column; }
    .suspenseai-cta-btn { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; }
}