/* AETSEC Blog — public styles. Tweak the colours in :root to match your main site. */
:root {
  --bg: #0A0E1A;
  --bg-2: #101627;
  --card: #121a2e;
  --line: #222c47;
  --text: #e8ecf6;
  --muted: #98a3bd;
  --accent: #5B8CFF;
  --accent-2: #22D3EE;
  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; top: 8px; }
.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 40px); }
.center { text-align: center; }
.muted { color: var(--muted); }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(10,14,26,.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; letter-spacing: .04em; font-size: 1.15rem; }
.brand:hover { text-decoration: none; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--muted); font-size: .95rem; }
.nav a:hover, .nav a.active { color: var(--text); text-decoration: none; }
@media (max-width: 720px) { .nav a:not(.btn):not(.active) { display: none; } .nav { gap: 14px; } }

/* buttons */
.btn { display: inline-block; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #06101f !important; font-weight: 700; padding: 12px 22px; border-radius: 10px; border: 0; cursor: pointer; font-size: 1rem; font-family: inherit; }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }
.btn-ghost { background: transparent; color: var(--text) !important; border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--accent); filter: none; }

/* hero */
.hero { padding: 64px 0 28px; }
.hero-sm { padding: 44px 0 16px; }
.eyebrow { color: var(--accent-2); font-family: var(--mono); font-size: .85rem; margin: 0 0 10px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.12; margin: 0 0 14px; letter-spacing: -.02em; }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 680px; }
.search { display: flex; gap: 8px; margin: 22px 0 14px; max-width: 460px; }
.search input { flex: 1; background: var(--bg-2); border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 10px 14px; font-size: 1rem; font-family: inherit; }
.search input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.pills a { border: 1px solid var(--line); color: var(--muted); padding: 6px 14px; border-radius: 999px; font-size: .88rem; }
.pills a:hover, .pills a.on { color: var(--text); border-color: var(--accent); text-decoration: none; background: rgba(91,140,255,.1); }

/* grid + cards */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin: 22px 0 8px; }
@media (max-width: 960px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .15s, border-color .15s; }
.card:hover { transform: translateY(-3px); border-color: #34508f; }
.card-img { display: block; aspect-ratio: 16/9; background: linear-gradient(135deg, #17223f, #0f1730); overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-ph { display: grid; place-items: center; height: 100%; font-size: 3rem; font-weight: 800; color: var(--accent); opacity: .5; }
.card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.card h2 { font-size: 1.15rem; line-height: 1.35; margin: 8px 0; }
.card h2 a { color: var(--text); }
.card p { color: var(--muted); font-size: .95rem; margin: 0 0 14px; }
.card .more { margin-top: auto; font-weight: 600; font-size: .92rem; }
.meta { display: flex; align-items: center; gap: 10px; font-size: .8rem; color: var(--muted); flex-wrap: wrap; }
.tag { background: rgba(34,211,238,.1); color: var(--accent-2); padding: 2px 10px; border-radius: 999px; font-weight: 600; }
.tag:hover { text-decoration: none; background: rgba(34,211,238,.2); }
@media (min-width: 961px) {
  .first-featured .card:first-child { grid-column: span 3; flex-direction: row; }
  .first-featured .card:first-child .card-img { flex: 1.3; aspect-ratio: auto; min-height: 280px; }
  .first-featured .card:first-child .card-body { flex: 1; justify-content: center; padding: 32px; }
  .first-featured .card:first-child h2 { font-size: 1.7rem; }
}
.pager { display: flex; justify-content: space-between; align-items: center; margin: 34px 0; color: var(--muted); font-size: .92rem; }
.empty { text-align: center; padding: 70px 0; }

/* post */
.post { padding-top: 34px; }
.crumbs { font-size: .85rem; color: var(--muted); margin-bottom: 16px; }
.crumbs a { color: var(--muted); }
.post h1 { font-size: clamp(1.9rem, 4.5vw, 2.8rem); line-height: 1.18; margin: 0 0 14px; letter-spacing: -.02em; }
.byline { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: .9rem; margin: 18px 0 26px; }
.hero-img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); margin-bottom: 26px; aspect-ratio: 1200/630; object-fit: cover; }
.toc { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 28px; }
.toc ol { margin: 10px 0 0; padding-left: 20px; }
.toc li { margin: 4px 0; }
.prose { font-size: 1.1rem; line-height: 1.8; color: #d9deec; }
.prose h2 { font-size: 1.65rem; margin: 2.2em 0 .6em; line-height: 1.25; color: var(--text); scroll-margin-top: 90px; }
.prose h3 { font-size: 1.3rem; margin: 1.8em 0 .5em; color: var(--text); scroll-margin-top: 90px; }
.prose h4 { font-size: 1.1rem; margin: 1.5em 0 .4em; color: var(--text); }
.prose p { margin: 0 0 1.2em; }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.3em; }
.prose li { margin: .35em 0; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose img { border-radius: 10px; border: 1px solid var(--line); margin: 1.4em auto; display: block; }
.prose blockquote { margin: 1.6em 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--accent); color: var(--text); font-style: italic; }
.prose pre { background: #070a14; border: 1px solid var(--line); border-radius: 10px; padding: 16px; overflow-x: auto; font-size: .92rem; line-height: 1.6; }
.prose code { font-family: var(--mono); font-size: .92em; background: #151d35; padding: .15em .4em; border-radius: 5px; }
.prose pre code { background: none; padding: 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: .98rem; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.prose th { background: var(--bg-2); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }
.ql-align-center { text-align: center; } .ql-align-right { text-align: right; } .ql-align-justify { text-align: justify; }
.share { display: flex; align-items: center; gap: 14px; margin: 36px 0 8px; padding-top: 22px; border-top: 1px solid var(--line); font-size: .92rem; }
.share a { color: var(--muted); border: 1px solid var(--line); padding: 4px 12px; border-radius: 999px; }
.share a:hover { color: var(--text); border-color: var(--accent); text-decoration: none; }
.cta-box { background: linear-gradient(135deg, rgba(91,140,255,.16), rgba(34,211,238,.1)); border: 1px solid #2c4478; border-radius: var(--radius); padding: 28px; margin: 34px 0; }
.cta-box h3 { margin: 0 0 8px; font-size: 1.4rem; }
.cta-box p { margin: 0 0 14px; color: var(--muted); }
.cta-box .btn { margin-right: 10px; margin-top: 4px; }
.related { padding: 20px 0 20px; }
.related h2 { font-size: 1.5rem; }
.preview-bar { background: #3a2f0b; color: #ffd978; text-align: center; padding: 8px 12px; font-size: .9rem; }
.preview-bar a { color: #fff; text-decoration: underline; }

/* footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 60px; background: #080b15; padding-top: 44px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { margin: 0 0 12px; font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin: 7px 0; }
.footer-grid a { color: var(--text); font-size: .95rem; }
.footer-bottom { padding: 26px 0 32px; margin-top: 30px; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }