/* ==========================================================
   Vlog & Article site — public styles
   ========================================================== */

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

:root {
    --bg: #ffffff;
    --bg-soft: #f5f6fa;
    --card: #ffffff;
    --text: #0f172a;
    --text-2: #334155;
    --muted: #64748b;
    --border: #e6e8ef;
    --accent: #f43f5e;
    --accent-hover: #e11d48;
    --accent-soft: #ffe4e8;
    --accent-ink: #be123c;
    --accent-2: #8b5cf6;
    --radius: 18px;
    --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 12px 32px -12px rgba(15, 23, 42, .18);
    --container: 1180px;
    --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    --mono: ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', monospace;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b1020;
        --bg-soft: #10172c;
        --card: #131b33;
        --text: #e9edf7;
        --text-2: #c8cfe0;
        --muted: #8b95b2;
        --border: #222b48;
        --accent-soft: rgba(244, 63, 94, .16);
        --accent-ink: #fb7185;
        --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 32px -12px rgba(0, 0, 0, .7);
    }
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 84px; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

main { flex: 1; }
img, video, iframe { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { color: var(--text); }
.icon { flex-shrink: 0; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

.visually-hidden {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
    position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px;
    background: var(--text); color: var(--bg); border-radius: 10px; font-weight: 600;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---------- Buttons, badges, meta ---------- */

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 22px; border: 0; border-radius: 999px; cursor: pointer;
    font: inherit; font-weight: 600; font-size: .95rem;
    background: var(--text); color: var(--bg);
    transition: background .2s, color .2s, transform .2s;
}
.btn:hover { background: var(--accent); color: #fff; }
.btn:active { transform: translateY(1px); }

.badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 10px; border-radius: 999px;
    background: var(--accent-soft); color: var(--accent-ink);
    font-size: .72rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
    position: relative; z-index: 1;
}
.badge-solid { background: var(--accent); color: #fff; }

.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; font-size: .85rem; color: var(--muted); }
.tag-video { display: inline-flex; align-items: center; gap: 5px; }

.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--accent-ink); }
.link-arrow:hover { gap: 10px; }

/* ---------- Header ---------- */

.site-header {
    position: sticky; top: 0; z-index: 50;
    background: var(--bg);
    background: color-mix(in srgb, var(--bg) 90%, transparent);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; letter-spacing: -.02em; }
.brand img { height: 38px; width: auto; border-radius: 8px; }
.brand-mark {
    position: relative; width: 34px; height: 34px; border-radius: 10px; flex-shrink: 0;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 6px 16px -6px var(--accent);
}
.brand-mark::after {
    content: ""; position: absolute; left: 13px; top: 10px;
    border-style: solid; border-width: 7px 0 7px 11px; border-color: transparent transparent transparent #fff;
}
.brand-sm { font-size: 1.05rem; }
.brand-sm .brand-mark { width: 28px; height: 28px; border-radius: 8px; }
.brand-sm .brand-mark::after { left: 11px; top: 8px; border-width: 6px 0 6px 9px; }

.site-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.site-nav > a {
    padding: 8px 14px; border-radius: 999px; font-weight: 500; font-size: .95rem; color: var(--text-2);
    transition: background .2s, color .2s;
}
.site-nav > a:hover, .site-nav > a.active { background: var(--bg-soft); color: var(--text); }

.nav-search { position: relative; margin-left: 8px; }
.nav-search input {
    width: 230px; height: 40px; padding: 0 42px 0 16px;
    border: 1px solid var(--border); border-radius: 999px; outline: none;
    background: var(--bg-soft); color: var(--text); font: inherit; font-size: .92rem;
    transition: border-color .2s, box-shadow .2s, width .25s;
}
.nav-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); width: 270px; }
.nav-search button {
    position: absolute; right: 4px; top: 4px; width: 32px; height: 32px;
    display: grid; place-items: center; border: 0; border-radius: 50%;
    background: transparent; color: var(--muted); cursor: pointer;
}
.nav-search button:hover { color: var(--accent); }

.nav-toggle { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.nav-burger { display: none; }

@media (max-width: 820px) {
    .nav-burger {
        display: flex; align-items: center; justify-content: center; margin-left: auto;
        width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 12px; cursor: pointer;
    }
    .nav-burger span, .nav-burger span::before, .nav-burger span::after {
        display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--text);
        position: relative; transition: transform .25s, background .25s;
    }
    .nav-burger span::before, .nav-burger span::after { content: ""; position: absolute; left: 0; }
    .nav-burger span::before { top: -6px; }
    .nav-burger span::after { top: 6px; }
    .nav-toggle:checked + .nav-burger span { background: transparent; }
    .nav-toggle:checked + .nav-burger span::before { transform: translateY(6px) rotate(45deg); }
    .nav-toggle:checked + .nav-burger span::after { transform: translateY(-6px) rotate(-45deg); }
    .nav-toggle:focus-visible + .nav-burger { outline: 3px solid var(--accent); outline-offset: 2px; }

    .site-nav {
        display: none; position: absolute; top: 68px; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 4px; padding: 12px 20px 20px;
        background: var(--bg); border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
    }
    .nav-toggle:checked ~ .site-nav { display: flex; }
    .site-nav > a { padding: 12px 14px; border-radius: 12px; }
    .nav-search { margin: 8px 0 0; }
    .nav-search input, .nav-search input:focus { width: 100%; height: 46px; }
    .nav-search button { top: 7px; }
}

/* ---------- Home intro ---------- */

.intro { position: relative; isolation: isolate; overflow: hidden; padding: 64px 0 28px; }
.intro::before, .intro::after {
    content: ""; position: absolute; z-index: -1; border-radius: 50%; filter: blur(10px);
}
.intro::before {
    width: 560px; height: 560px; right: -140px; top: -260px;
    background: radial-gradient(circle, var(--accent-soft), transparent 68%);
}
.intro::after {
    width: 420px; height: 420px; right: 260px; top: -220px; opacity: .55;
    background: radial-gradient(circle, rgba(139, 92, 246, .22), transparent 68%);
}
.eyebrow {
    display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
    background: var(--accent-soft); color: var(--accent-ink);
    font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.intro h1 {
    max-width: 820px; margin: 18px 0 14px;
    font-size: clamp(2.1rem, 5vw, 3.5rem); line-height: 1.08; letter-spacing: -.035em; font-weight: 800;
}
.intro p { max-width: 620px; margin: 0; color: var(--muted); font-size: 1.15rem; }

/* ---------- Featured post ---------- */

.featured {
    display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; margin: 28px 0 0;
    background: var(--card); border: 1px solid var(--border); border-radius: 26px; box-shadow: var(--shadow);
}
.featured-media {
    position: relative; display: block; background: var(--bg-soft); overflow: hidden;
    min-height: 280px; aspect-ratio: auto;
}
.featured-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.featured:hover .featured-media img { transform: scale(1.03); }
.featured-body {
    display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
    gap: 16px; padding: 36px 40px; min-width: 0;
}
.featured-title {
    margin: 0; font-size: clamp(1.35rem, 2.4vw, 2rem); line-height: 1.22; letter-spacing: -.025em;
    overflow-wrap: break-word; word-break: break-word;
}
.featured-title a:hover { color: var(--accent); }
.featured-excerpt {
    margin: 0; color: var(--muted); font-size: 1rem;
    display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

@media (max-width: 880px) {
    .featured { grid-template-columns: 1fr; }
    .featured-media { aspect-ratio: 16 / 9; min-height: auto; }
    .featured-body { padding: 24px; }
}

/* ---------- Media placeholders & play badge ---------- */

.placeholder {
    position: absolute; inset: 0; display: grid; place-items: center;
    font-size: 3.2rem; font-weight: 800; color: rgba(255, 255, 255, .92);
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.play-badge {
    position: absolute; left: 50%; top: 50%; width: 58px; height: 58px; margin: -29px 0 0 -29px;
    border-radius: 50%; background: rgba(255, 255, 255, .94);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .3); transition: transform .3s;
}
.play-badge::after {
    content: ""; position: absolute; left: 23px; top: 18px;
    border-style: solid; border-width: 11px 0 11px 17px; border-color: transparent transparent transparent var(--accent);
}
.play-badge-lg { width: 76px; height: 76px; margin: -38px 0 0 -38px; }
.play-badge-lg::after { left: 30px; top: 23px; border-width: 15px 0 15px 22px; }
.card:hover .play-badge, .featured:hover .play-badge { transform: scale(1.1); }

/* ---------- Sections & grid ---------- */

.section { padding: 48px 0 72px; }
.spacer { height: 72px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 28px; }
.section-title { margin: 0; font-size: clamp(1.5rem, 3vw, 1.9rem); letter-spacing: -.025em; line-height: 1.2; }
.section-sub { margin: 6px 0 0; color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
@media (max-width: 980px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; } }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }

/* ---------- Card ---------- */

.card {
    position: relative; display: flex; flex-direction: column; overflow: hidden;
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card-media { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-soft); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.card:hover .card-media img { transform: scale(1.05); }
.card-body { display: flex; flex-direction: column; gap: 10px; flex: 1; padding: 20px 22px 24px; }
.card-title { margin: 2px 0 0; font-size: 1.15rem; line-height: 1.35; letter-spacing: -.012em; }
.card-title a::after { content: ""; position: absolute; inset: 0; }
.card:hover .card-title a { color: var(--accent); }
.card-excerpt {
    margin: 0; color: var(--muted); font-size: .95rem;
    display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

/* ---------- Pagination ---------- */

.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 52px; }
.page-link {
    display: inline-flex; align-items: center; justify-content: center; min-width: 44px; height: 44px; padding: 0 16px;
    border: 1px solid var(--border); border-radius: 12px; background: var(--card);
    font-weight: 600; font-size: .92rem; transition: border-color .2s, color .2s;
}
a.page-link:hover { border-color: var(--accent); color: var(--accent); }
.page-link.is-active { background: var(--text); border-color: var(--text); color: var(--bg); }
.page-gap { align-self: center; padding: 0 4px; color: var(--muted); }

/* ---------- Empty states & search ---------- */

.empty {
    padding: 72px 24px; text-align: center; color: var(--muted);
    border: 1px dashed var(--border); border-radius: var(--radius); background: var(--bg-soft);
}
.empty h1, .empty h2 { margin: 0 0 8px; letter-spacing: -.02em; }
.empty p { margin: 0 0 8px; }
.notfound-code {
    font-size: clamp(4rem, 14vw, 7rem); font-weight: 800; line-height: 1; letter-spacing: -.05em;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.search-big { display: flex; gap: 10px; max-width: 480px; margin: 24px auto 16px; }
.search-big input {
    flex: 1; min-width: 0; height: 48px; padding: 0 18px; border: 1px solid var(--border); border-radius: 999px;
    background: var(--card); color: var(--text); font: inherit; outline: none;
}
.search-big input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }

/* ---------- Single post ---------- */

.preview-bar { padding: 12px 20px; text-align: center; background: #fef3c7; color: #92400e; font-size: .92rem; }

.post-header { padding: 56px 20px 32px; text-align: center; }
.post-header .meta { justify-content: center; }
.post-title {
    max-width: 900px; margin: 18px auto 16px;
    font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.12; letter-spacing: -.035em;
}
.post-lead { max-width: 720px; margin: 0 auto; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }

.post-media { max-width: 1040px; margin: 8px auto 0; overflow: hidden; border-radius: 24px; box-shadow: var(--shadow); background: var(--bg-soft); }
.post-media img { width: 100%; height: auto; }
.post-video { background: #000; }
.post-video iframe, .post-video video { width: 100%; height: auto; aspect-ratio: 16 / 9; border: 0; }

.post-content {
    max-width: 740px; margin: 48px auto 0;
    font-size: 1.125rem; line-height: 1.85; color: var(--text-2); overflow-wrap: break-word;
}
.post-content > :first-child { margin-top: 0; }
.post-content p { margin: 0 0 1.35em; }
.post-content h2 { margin: 2em 0 .6em; font-size: 1.75rem; line-height: 1.25; letter-spacing: -.02em; }
.post-content h3 { margin: 1.8em 0 .5em; font-size: 1.35rem; line-height: 1.3; letter-spacing: -.015em; }
.post-content h4 { margin: 1.6em 0 .5em; font-size: 1.15rem; }
.post-content a { color: var(--accent-ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.post-content a:hover { color: var(--accent); }
.post-content strong, .post-content b { color: var(--text); }
.post-content ul, .post-content ol { margin: 0 0 1.35em; padding-left: 1.4em; }
.post-content li { margin: .4em 0; }
.post-content li::marker { color: var(--accent); }
.post-content blockquote {
    margin: 1.8em 0; padding: 6px 0 6px 24px; border-left: 4px solid var(--accent);
    color: var(--text); font-size: 1.25rem; font-style: italic; line-height: 1.6;
}
.post-content img { height: auto; margin: 1.8em auto; border-radius: 16px; }
.post-content figure { margin: 1.8em 0; }
.post-content figure img { margin: 0 auto; }
.post-content figcaption { margin-top: 10px; text-align: center; color: var(--muted); font-size: .9rem; }
.post-content iframe { width: 100%; height: auto; aspect-ratio: 16 / 9; margin: 1.8em 0; border: 0; border-radius: 16px; }
.post-content code { padding: .15em .4em; border-radius: 6px; background: var(--bg-soft); font-family: var(--mono); font-size: .88em; }
.post-content pre {
    margin: 1.8em 0; padding: 20px 22px; overflow-x: auto; border-radius: 14px;
    background: #0f172a; color: #e2e8f0; font-family: var(--mono); font-size: .9rem; line-height: 1.7;
}
.post-content pre code { padding: 0; background: none; color: inherit; }
.post-content hr { height: 1px; margin: 2.6em 0; border: 0; background: var(--border); }
.post-content table { width: 100%; margin: 1.8em 0; border-collapse: collapse; font-size: .95rem; display: block; overflow-x: auto; }
.post-content th, .post-content td { padding: 10px 14px; border: 1px solid var(--border); text-align: left; }
.post-content th { background: var(--bg-soft); color: var(--text); }

.post-footer {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
    max-width: 740px; margin: 56px auto 0; padding-top: 24px;
    border-top: 1px solid var(--border); color: var(--muted); font-size: .9rem;
}
.back-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--text); }
.back-link:hover { color: var(--accent); }

.related { margin-top: 80px; padding: 64px 0 80px; background: var(--bg-soft); border-top: 1px solid var(--border); }
.related .section-head { align-items: center; }

/* ---------- Ad slots ---------- */

.ad-slot { margin: 0 auto 32px; text-align: center; overflow: hidden; }
.ad-slot::before {
    content: "Advertisement"; display: block; margin-bottom: 8px;
    color: var(--muted); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
}
.ad-slot img, .ad-slot iframe { margin: 0 auto; }
.featured + .ad-slot { margin: 40px auto 0; }
.ad-slot-post { max-width: 740px; margin: 48px auto 0; }

/* ---------- Footer ---------- */

.site-footer { padding: 40px 0; border-top: 1px solid var(--border); background: var(--bg); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; }
.footer-tagline { margin: 8px 0 0; color: var(--muted); font-size: .92rem; }
.footer-copy { margin: 0; color: var(--muted); font-size: .9rem; }

@media (max-width: 620px) {
    .intro { padding-top: 44px; }
    .section { padding: 36px 0 56px; }
    .post-header { padding-top: 40px; }
    .post-content { margin-top: 36px; font-size: 1.06rem; }
    .post-media { border-radius: 16px; }
    .related { margin-top: 56px; padding: 48px 0 56px; }
}

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