/* ArcNautical Blog — premium dark theme */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#070a10;--surface:#0d1420;--elevated:#152030;--border:#1c2a3e;
  --text:#d0d8e8;--text-secondary:#7e8fa6;--text-dim:#445068;
  --accent:#0891b2;--accent-hover:#06b6d4;--accent-glow:rgba(8,145,178,.15);
  --green:#059669;--amber:#d97706;--red:#dc2626;
  --max-w:740px;--wide-w:960px;--nav-h:56px;
}
html{font-size:16px;scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);color:var(--text);
  line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover);text-decoration:underline}
img{max-width:100%;height:auto;display:block;border-radius:8px}

/* ── Navigation ─────────────────────────────── */
.blog-nav{
  position:sticky;top:0;z-index:100;
  background:rgba(7,10,16,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 clamp(1rem,4vw,3rem);
}
.blog-nav-brand{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1rem;color:var(--text)}
.blog-nav-brand svg{width:24px;height:24px}
.blog-nav-links{display:flex;gap:1.5rem;font-size:.85rem}
.blog-nav-links a{color:var(--text-secondary);font-weight:500}
.blog-nav-links a:hover{color:var(--text);text-decoration:none}

/* ── Blog Index ─────────────────────────────── */
.blog-hero{
  text-align:center;padding:4rem 1.5rem 2rem;
  max-width:640px;margin:0 auto;
}
.blog-hero h1{
  font-family:'DM Serif Display',Georgia,serif;
  font-size:clamp(2rem,5vw,3rem);font-weight:400;
  margin-bottom:.75rem;color:#fff;
}
.blog-hero p{color:var(--text-secondary);font-size:1.05rem;line-height:1.6}

.blog-grid{
  max-width:1080px;margin:0 auto;padding:0 1.5rem 4rem;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;
}
.blog-card{
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  overflow:hidden;transition:transform .2s,border-color .2s;
}
.blog-card:hover{transform:translateY(-3px);border-color:var(--accent)}
.blog-card a{color:inherit;text-decoration:none;display:block}
.blog-card-img{
  width:100%;height:200px;object-fit:cover;border-radius:0;
  background:var(--elevated);
}
.blog-card-body{padding:1.25rem}
.blog-card-meta{
  font-size:.78rem;color:var(--text-dim);margin-bottom:.5rem;
  font-family:'JetBrains Mono',monospace;
}
.blog-card-title{
  font-family:'DM Serif Display',Georgia,serif;
  font-size:1.25rem;font-weight:400;color:#fff;
  margin-bottom:.5rem;line-height:1.35;
}
.blog-card-excerpt{font-size:.9rem;color:var(--text-secondary);line-height:1.6}
.blog-card-tags{display:flex;gap:.4rem;margin-top:.75rem;flex-wrap:wrap}
.blog-card-tag{
  font-size:.7rem;padding:2px 8px;border-radius:4px;
  background:var(--elevated);color:var(--text-dim);
  font-family:'JetBrains Mono',monospace;
}

/* ── Article Header ─────────────────────────── */
.article-header{
  text-align:center;padding:3.5rem 1.5rem 1.5rem;
  max-width:var(--max-w);margin:0 auto;
}
.article-header h1{
  font-family:'DM Serif Display',Georgia,serif;
  font-size:clamp(1.8rem,4.5vw,2.8rem);font-weight:400;
  color:#fff;line-height:1.25;margin-bottom:1rem;
}
.article-header .article-subtitle{
  font-size:1.1rem;color:var(--text-secondary);line-height:1.6;
  max-width:600px;margin:0 auto 1rem;
}
.article-meta{
  font-size:.85rem;color:var(--text-secondary);
  font-family:'JetBrains Mono',monospace;
  display:flex;align-items:center;justify-content:center;gap:1rem;
}
.article-meta time{color:var(--accent)}

/* ── Hero Image ─────────────────────────────── */
.article-hero-img{
  max-width:var(--wide-w);margin:1.5rem auto 2.5rem;padding:0 1.5rem;
}
.article-hero-img img{
  border:1px solid var(--border);border-radius:10px;
  box-shadow:0 8px 40px rgba(0,0,0,.5),0 0 0 1px rgba(8,145,178,.08);
}

/* ── Article Body ───────────────────────────── */
.article-body{
  max-width:var(--max-w);margin:0 auto;padding:0 1.5rem 4rem;
  font-size:1.05rem;line-height:1.8;
}
.article-body h2{
  font-family:'DM Serif Display',Georgia,serif;
  font-size:1.6rem;font-weight:400;color:#fff;
  margin:2.5rem 0 1rem;
}
.article-body h3{
  font-size:1.15rem;font-weight:600;color:#fff;
  margin:2rem 0 .75rem;
}
.article-body p{margin-bottom:1.25rem;color:var(--text)}
.article-body strong{color:#fff}
.article-body ul,.article-body ol{margin:0 0 1.25rem 1.5rem}
.article-body li{margin-bottom:.4rem}
.article-body code{
  font-family:'JetBrains Mono',monospace;font-size:.88em;
  background:var(--surface);padding:2px 6px;border-radius:4px;
  color:var(--accent);
}
.article-body pre{
  background:var(--surface);border:1px solid var(--border);
  border-radius:8px;padding:1.25rem;margin:1.5rem 0;
  overflow-x:auto;font-size:.88rem;line-height:1.5;
}
.article-body pre code{background:none;padding:0;color:var(--text)}

/* ── Figures & Captions ─────────────────────── */
.article-body figure{margin:2rem 0}
.article-body figure img{
  border:1px solid var(--border);border-radius:8px;
  box-shadow:0 4px 20px rgba(0,0,0,.35);
}
.article-body figcaption{
  text-align:center;font-size:.82rem;color:var(--text-dim);
  margin-top:.6rem;font-style:italic;
}

/* ── Wide figures (break out of max-w) ──────── */
.article-body figure.wide{
  max-width:var(--wide-w);margin-left:50%;transform:translateX(-50%);
  padding:0 1.5rem;
}

/* ── Blockquotes & Pull Quotes ──────────────── */
.article-body blockquote{
  border-left:3px solid var(--accent);padding:.75rem 1.25rem;
  margin:1.5rem 0;background:var(--surface);border-radius:0 8px 8px 0;
  font-style:italic;color:var(--text-secondary);
}
.pull-quote{
  border:none !important;border-left:none !important;
  background:none !important;
  font-family:'DM Serif Display',Georgia,serif;
  font-size:1.35rem;line-height:1.5;color:#fff !important;
  text-align:center;padding:2rem 1.5rem !important;
  margin:2.5rem 0 !important;position:relative;
  font-style:normal !important;
}
.pull-quote::before{
  content:'\201C';position:absolute;top:-.2rem;left:50%;transform:translateX(-50%);
  font-size:4rem;color:var(--accent);opacity:.3;font-family:Georgia,serif;
}

/* ── Callout Boxes ──────────────────────────── */
.callout{
  background:var(--surface);border:1px solid var(--border);
  border-radius:10px;padding:1.5rem;margin:2rem 0;
  position:relative;overflow:hidden;
}
.callout::before{
  content:'';position:absolute;top:0;left:0;width:3px;height:100%;
  background:var(--accent);
}
.callout.callout-amber::before{background:var(--amber)}
.callout.callout-red::before{background:var(--red)}
.callout.callout-green::before{background:var(--green)}
.callout-label{
  font-family:'JetBrains Mono',monospace;font-size:.72rem;
  text-transform:uppercase;letter-spacing:.08em;
  color:var(--accent);font-weight:600;margin-bottom:.5rem;
}
.callout.callout-amber .callout-label{color:var(--amber)}
.callout.callout-red .callout-label{color:var(--red)}
.callout.callout-green .callout-label{color:var(--green)}
.callout p:last-child{margin-bottom:0}

/* ── Data Tables ────────────────────────────── */
.data-table{
  width:100%;border-collapse:collapse;margin:1.5rem 0;
  font-size:.92rem;
}
.data-table th{
  text-align:left;padding:.75rem 1rem;
  font-family:'JetBrains Mono',monospace;font-size:.75rem;
  text-transform:uppercase;letter-spacing:.06em;
  color:var(--text-dim);border-bottom:1px solid var(--border);
  font-weight:600;
}
.data-table td{
  padding:.75rem 1rem;border-bottom:1px solid rgba(28,42,62,.5);
  color:var(--text);
}
.data-table tr:last-child td{border-bottom:none}
.data-table tbody tr{transition:background .15s}
.data-table tbody tr:hover{background:rgba(8,145,178,.04)}
.data-table .score{
  font-family:'JetBrains Mono',monospace;font-weight:600;
}
.data-table .score.high{color:var(--red)}
.data-table .score.elevated{color:var(--amber)}
.data-table .score.moderate{color:var(--accent)}
.data-table .score.low{color:var(--green)}
.data-table .tag{
  display:inline-block;font-size:.72rem;padding:2px 8px;border-radius:4px;
  font-family:'JetBrains Mono',monospace;
}
.data-table .tag-red{background:rgba(220,38,38,.12);color:var(--red)}
.data-table .tag-amber{background:rgba(217,119,6,.12);color:var(--amber)}
.data-table .tag-green{background:rgba(5,150,105,.12);color:var(--green)}

/* ── Risk Score Badge ───────────────────────── */
.risk-badge{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.5rem 1.25rem;border-radius:8px;
  font-family:'JetBrains Mono',monospace;font-weight:700;
  font-size:1.5rem;
}
.risk-badge.elevated{
  background:rgba(217,119,6,.1);border:1px solid rgba(217,119,6,.25);color:var(--amber);
}
.risk-badge.high{
  background:rgba(220,38,38,.1);border:1px solid rgba(220,38,38,.25);color:var(--red);
}
.risk-badge.moderate{
  background:rgba(8,145,178,.1);border:1px solid rgba(8,145,178,.25);color:var(--accent);
}
.risk-badge-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;font-weight:600}

/* ── Stat Row ───────────────────────────────── */
.stat-row{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:1rem;margin:2rem 0;
}
.stat-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:8px;padding:1rem 1.25rem;text-align:center;
}
.stat-value{
  font-family:'JetBrains Mono',monospace;
  font-size:1.6rem;font-weight:700;color:#fff;
}
.stat-value.accent{color:var(--accent)}
.stat-value.amber{color:var(--amber)}
.stat-value.red{color:var(--red)}
.stat-value.green{color:var(--green)}
.stat-label{
  font-size:.72rem;color:var(--text-dim);margin-top:.25rem;
  text-transform:uppercase;letter-spacing:.06em;
  font-family:'JetBrains Mono',monospace;
}

/* ── Signal Breakdown Bar ───────────────────── */
.signal-bar{
  display:flex;align-items:center;gap:.75rem;
  margin:.5rem 0;font-size:.9rem;
}
.signal-bar-name{
  width:180px;flex-shrink:0;color:var(--text-secondary);
  font-size:.85rem;
}
.signal-bar-track{
  flex:1;height:8px;background:var(--elevated);border-radius:4px;
  overflow:hidden;position:relative;
}
.signal-bar-fill{
  height:100%;border-radius:4px;transition:width .5s ease;
}
.signal-bar-fill.red{background:var(--red)}
.signal-bar-fill.amber{background:var(--amber)}
.signal-bar-fill.cyan{background:var(--accent)}
.signal-bar-fill.green{background:var(--green)}
.signal-bar-score{
  width:40px;text-align:right;font-family:'JetBrains Mono',monospace;
  font-weight:600;font-size:.85rem;
}

/* ── Inline Note ────────────────────────────── */
.inline-note{
  display:flex;gap:.75rem;padding:1rem 1.25rem;
  background:var(--surface);border-radius:8px;
  margin:1.5rem 0;font-size:.92rem;
  border:1px solid var(--border);
}
.inline-note-icon{flex-shrink:0;font-size:1.1rem;margin-top:2px}
.inline-note p{margin:0;color:var(--text-secondary)}

/* ── Horizontal Rule ────────────────────────── */
.article-body hr{
  border:none;height:1px;background:var(--border);
  margin:2.5rem 0;
}

/* ── Two Column Layout ──────────────────────── */
.two-col{
  display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;
  margin:2rem 0;align-items:start;
}

/* ── CTA Section ────────────────────────────── */
.blog-cta{
  max-width:var(--max-w);margin:0 auto 4rem;padding:2.5rem;
  background:var(--surface);border:1px solid var(--border);
  border-radius:12px;text-align:center;
  position:relative;overflow:hidden;
}
.blog-cta::after{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
}
.blog-cta h3{
  font-family:'DM Serif Display',Georgia,serif;
  font-size:1.5rem;font-weight:400;color:#fff;margin-bottom:.5rem;
}
.blog-cta p{color:var(--text-secondary);margin-bottom:1.25rem;font-size:.95rem}
.blog-cta-btn{
  display:inline-block;background:var(--accent);color:#fff;
  padding:.65rem 1.75rem;border-radius:8px;font-weight:600;
  font-size:.9rem;transition:background .2s;
}
.blog-cta-btn:hover{background:var(--accent-hover);text-decoration:none;color:#fff}

/* ── Footer ─────────────────────────────────── */
.blog-footer{
  border-top:1px solid var(--border);padding:2rem 1.5rem;
  text-align:center;font-size:.8rem;color:var(--text-dim);
}

/* ── Empty State ────────────────────────────── */
.blog-empty{text-align:center;padding:4rem 1.5rem;color:var(--text-secondary)}

/* ── Responsive ─────────────────────────────── */
@media(max-width:600px){
  .blog-grid{grid-template-columns:1fr}
  .blog-card-img{height:160px}
  .article-meta{flex-direction:column;gap:.3rem}
  .stat-row{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr}
  .signal-bar-name{width:120px}
  .pull-quote{font-size:1.15rem}
  .article-body figure.wide{max-width:100%;margin-left:0;transform:none;padding:0}
  .data-table{font-size:.82rem}
  .data-table th,.data-table td{padding:.5rem .6rem}
}