/* === ARXITEK Blog — v1 style (black + green) === */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: #000; color: #fff; font-family: 'Geist', system-ui, sans-serif; }

:root {
  --acc: #fff;
  --acc2: #00dc82;
  --line: rgba(255,255,255,0.1);
  --ink2: rgba(255,255,255,0.65);
  --ink3: rgba(255,255,255,0.4);
}

a { color: var(--acc2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.blog-header {
  position: sticky; top: 0; z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(20px);
}
.blog-nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1280px; margin: 0 auto; padding: 16px 48px;
}
.blog-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 22px; font-weight: 300; letter-spacing: 0.06em;
  text-transform: uppercase; color: #fff; text-decoration: none;
}
.blog-logo:hover { color: #fff; text-decoration: none; }
.blog-logo-mark {
  width: 22px; height: 22px;
  background: #00dc82;
  clip-path: polygon(0 100%, 50% 0, 100% 100%);
}
.blog-nav-links { display: flex; gap: 28px; font-size: 16px; }
.blog-nav-links a { color: var(--ink2); text-decoration: none; }
.blog-nav-links a:hover { color: #fff; }
.blog-nav-links a.active { color: var(--acc2); }

/* Container */
.blog-container { max-width: 1280px; margin: 0 auto; padding: 0 48px; }

/* Hero / page header */
.blog-hero {
  padding: 80px 0 48px;
  border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.blog-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 70%);
}
.blog-hero-inner { position: relative; }
.blog-eyebrow {
  font-family: 'Geist Mono', monospace; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.18em; color: var(--ink3);
  display: inline-flex; gap: 8px; align-items: center;
}
.blog-eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--acc2); box-shadow: 0 0 12px var(--acc2);
}
.blog-hero h1 {
  font-size: 72px; line-height: 1; letter-spacing: -0.04em;
  font-weight: 600; margin: 24px 0 0;
}
.blog-hero h1 em { font-style: normal; color: var(--acc2); }
.blog-hero .lead {
  font-size: 20px; line-height: 1.55; color: var(--ink2);
  max-width: 64ch; margin-top: 20px;
}

/* Article list */
.blog-grid {
  display: grid; grid-template-columns: 1fr;
  gap: 0; padding: 0;
}
.blog-card {
  display: block; padding: 48px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none; color: inherit;
  transition: 0.2s;
}
.blog-card:hover { text-decoration: none; }
.blog-card:hover .blog-card-title { color: var(--acc2); }
.blog-card-meta {
  font-family: 'Geist Mono', monospace; font-size: 12px;
  color: var(--ink3); text-transform: uppercase; letter-spacing: 0.12em;
  display: flex; gap: 16px; align-items: center;
}
.blog-card-title {
  font-size: 32px; font-weight: 600; letter-spacing: -0.02em;
  margin: 16px 0 0; line-height: 1.2; transition: color 0.2s;
}
.blog-card-desc {
  font-size: 17px; line-height: 1.55; color: var(--ink2);
  margin-top: 12px; max-width: 72ch;
}
.blog-card-tags { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.blog-tag {
  font-family: 'Geist Mono', monospace; font-size: 11px;
  color: var(--acc2); text-transform: uppercase; letter-spacing: 0.1em;
  padding: 4px 10px; border: 1px solid rgba(0,220,130,0.25);
  border-radius: 999px;
}

/* Single article */
.article-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Geist Mono', monospace; font-size: 13px;
  color: var(--ink3); text-decoration: none; margin-bottom: 32px;
  transition: 0.2s;
}
.article-back:hover { color: var(--acc2); text-decoration: none; }
.article-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--line);
}
.article-header h1 {
  font-size: 56px; line-height: 1.05; letter-spacing: -0.03em;
  font-weight: 600; margin: 20px 0 0; max-width: 900px;
}
.article-header .article-meta {
  font-family: 'Geist Mono', monospace; font-size: 12px;
  color: var(--ink3); text-transform: uppercase; letter-spacing: 0.12em;
  display: flex; gap: 16px; margin-top: 24px;
}

.article-body {
  max-width: 780px; padding: 48px 0 96px;
  font-size: 18px; line-height: 1.7; color: var(--ink2);
}
.article-body h2 {
  font-size: 36px; font-weight: 600; color: #fff;
  letter-spacing: -0.02em; margin: 56px 0 20px;
  line-height: 1.15;
}
.article-body h3 {
  font-size: 24px; font-weight: 600; color: #fff;
  letter-spacing: -0.01em; margin: 40px 0 16px;
}
.article-body p { margin: 0 0 20px; }
.article-body ul, .article-body ol {
  margin: 0 0 20px; padding-left: 24px;
}
.article-body li { margin-bottom: 8px; }
.article-body li::marker { color: var(--acc2); }
.article-body strong { color: #fff; font-weight: 600; }
.article-body em { color: var(--acc2); font-style: normal; }
.article-body code {
  font-family: 'Geist Mono', monospace;
  background: rgba(255,255,255,0.06); padding: 2px 8px;
  border-radius: 4px; font-size: 0.9em;
}
.article-body pre {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line); border-radius: 12px;
  padding: 24px; overflow-x: auto; margin: 24px 0;
  font-family: 'Geist Mono', monospace; font-size: 14px;
  line-height: 1.6; color: var(--ink2);
}
.article-body pre code {
  background: none; padding: 0; border-radius: 0;
}
.article-body table {
  width: 100%; border-collapse: collapse; margin: 24px 0;
  font-size: 16px;
}
.article-body th {
  text-align: left; padding: 12px 16px;
  border-bottom: 2px solid var(--acc2);
  color: #fff; font-weight: 600;
  font-family: 'Geist Mono', monospace; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.1em;
}
.article-body td {
  padding: 12px 16px; border-bottom: 1px solid var(--line);
}
.article-body hr {
  border: none; border-top: 1px solid var(--line);
  margin: 48px 0;
}
.article-body blockquote {
  border-left: 3px solid var(--acc2); margin: 24px 0;
  padding: 16px 24px; color: var(--ink2);
  background: rgba(0,220,130,0.04); border-radius: 0 8px 8px 0;
}

/* CTA at bottom of article */
.article-cta {
  max-width: 780px; padding: 40px;
  border: 1px solid var(--line); border-radius: 16px;
  background: linear-gradient(180deg, rgba(0,220,130,0.06), transparent 60%);
  margin-bottom: 96px;
}
.article-cta h3 {
  font-size: 28px; font-weight: 600; margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.article-cta p { color: var(--ink2); margin: 0 0 24px; font-size: 16px; line-height: 1.55; }
.article-cta .btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 8px;
  background: #fff; color: #000; font-size: 15px; font-weight: 500;
  text-decoration: none; transition: 0.2s; border: none; cursor: pointer;
}
.article-cta .btn:hover { background: #00dc82; color: #000; text-decoration: none; }

/* Footer */
.blog-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 24px;
}
.blog-footer-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 48px;
  display: flex; justify-content: space-between; align-items: center;
}
.blog-footer-copy {
  font-family: 'Geist Mono', monospace; font-size: 11px;
  color: var(--ink3); text-transform: uppercase; letter-spacing: 0.1em;
}
.blog-footer a { color: var(--ink2); text-decoration: none; font-size: 14px; }
.blog-footer a:hover { color: #fff; }

/* Responsive */
@media (max-width: 768px) {
  .blog-nav { padding: 16px 20px; }
  .blog-container { padding: 0 20px; }
  .blog-hero h1 { font-size: 40px; }
  .blog-card-title { font-size: 24px; }
  .article-header h1 { font-size: 36px; }
  .article-body { font-size: 16px; }
  .article-body h2 { font-size: 28px; }
  .blog-nav-links { gap: 16px; font-size: 14px; }
  .blog-footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}