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

body {
  background: #0d1014; color: #e6ecf2;
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }

:root {
  --ink: #0d1014; --panel: #151a20; --line: #242b33;
  --fg: #e6ecf2; --muted: #7b8794; --accent: #4a90e2; --on-accent: #0d1014;
}

.display { font-family: 'Archivo', sans-serif; font-style: italic; font-weight: 800; letter-spacing: -0.025em; }
.mono    { font-family: 'JetBrains Mono', monospace; }
.site    { max-width: 1440px; margin: 0 auto; }

/* ── TOPBAR ── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 60px; border-bottom: 1px solid var(--line); position: relative;
}
.topbar-logo { height: 26px; }
.topbar-nav { display: flex; gap: 36px; }
.topbar-nav a {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.85;
}
.topbar-nav a:hover { opacity: 1; color: var(--accent); }
.topbar-nav a.active { opacity: 1; color: var(--accent); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.btn-phone {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  letter-spacing: 0.1em; background: var(--fg); color: var(--ink);
  padding: 10px 18px; border: none; text-transform: uppercase; white-space: nowrap;
}
.btn-phone:hover { background: var(--accent); color: var(--on-accent); }

/* ── HAMBURGER ── */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px; cursor: pointer;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--fg); border-radius: 1px; transition: 0.2s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none; flex-direction: column;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 16px 24px; font-family: 'JetBrains Mono', monospace;
  font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase;
  border-bottom: 1px solid var(--line); opacity: 0.85;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: var(--accent); opacity: 1; }

/* ── ARTICLE OUTER ── */
.article-outer { max-width: 860px; margin: 0 auto; padding: 0 60px; }

/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 28px 0 0;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--line); }

/* ── ARTICLE HEADER ── */
.article-header { padding: 48px 0 52px; border-bottom: 1px solid var(--line); }
.article-category {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 20px;
}
.article-h1 {
  font-family: 'Archivo', sans-serif; font-style: italic; font-weight: 800;
  font-size: clamp(36px, 5vw, 60px); line-height: 1.05; letter-spacing: -0.025em;
  margin-bottom: 20px;
}
.article-ingress {
  font-size: 17px; line-height: 1.7; color: var(--fg); opacity: 0.85; max-width: 680px;
  margin-bottom: 20px;
}
.article-meta {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase;
  display: flex; gap: 20px; flex-wrap: wrap;
}

/* ── ARTICLE BODY ── */
.article-body { padding: 52px 0; border-bottom: 1px solid var(--line); }

.article-body h2 {
  font-family: 'Archivo', sans-serif; font-style: italic; font-weight: 800;
  font-size: clamp(24px, 3vw, 34px); letter-spacing: -0.025em;
  margin-top: 52px; margin-bottom: 18px; line-height: 1.1;
}
.article-body h2:first-child { margin-top: 0; }
.article-body h3 {
  font-family: 'Archivo', sans-serif; font-style: italic; font-weight: 800;
  font-size: 20px; letter-spacing: -0.02em;
  margin-top: 30px; margin-bottom: 10px; line-height: 1.2;
}
.article-body p {
  font-size: 16px; line-height: 1.78; color: var(--fg); opacity: 0.9;
  margin-bottom: 20px; max-width: 700px;
}
.article-body ul, .article-body ol {
  margin: 0 0 20px 0; padding-left: 22px; max-width: 700px;
}
.article-body li {
  font-size: 16px; line-height: 1.7; color: var(--fg); opacity: 0.9; margin-bottom: 8px;
}
.article-body strong { color: var(--fg); opacity: 1; font-weight: 600; }
.article-body a { color: var(--accent); text-decoration: underline; text-decoration-color: rgba(74,144,226,0.4); }
.article-body a:hover { text-decoration-color: var(--accent); }

/* ── INFO BOX ── */
.info-box {
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  padding: 22px 26px; margin: 28px 0;
}
.info-box p { margin-bottom: 0; opacity: 1; }

/* ── CTA BOX ── */
.cta-box {
  background: var(--accent); color: var(--on-accent);
  padding: 48px 56px; margin: 56px 0 0;
  display: flex; gap: 40px; align-items: center; justify-content: space-between; flex-wrap: wrap;
}
.cta-box-text { flex: 1; min-width: 220px; }
.cta-label {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 10px; opacity: 0.75;
}
.cta-title {
  font-family: 'Archivo', sans-serif; font-style: italic; font-weight: 800;
  font-size: clamp(22px, 2.8vw, 32px); letter-spacing: -0.025em; line-height: 1.1;
}
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; flex-shrink: 0; }
.btn-cta-dark {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--ink); color: var(--fg);
  border: none; padding: 14px 22px; display: inline-block; white-space: nowrap;
}
.btn-cta-dark:hover { background: #1a2028; color: var(--fg); }
.btn-cta-outline {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  letter-spacing: 0.12em; text-transform: uppercase;
  background: transparent; color: var(--on-accent);
  border: 1px solid var(--on-accent); padding: 14px 22px; display: inline-block; white-space: nowrap;
}
.btn-cta-outline:hover { opacity: 0.65; }

/* ── AUTHOR BOX ── */
.author-box {
  display: flex; align-items: center; gap: 16px;
  padding: 24px 28px; border-top: 1px solid var(--line); flex-wrap: wrap;
}
.author-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  object-fit: cover; border: 1px solid var(--line); flex-shrink: 0;
}
.author-meta {
  display: flex; align-items: center; gap: 16px; flex: 1; flex-wrap: wrap;
}
.author-name {
  font-family: 'Archivo', sans-serif; font-style: italic; font-weight: 800;
  font-size: 16px; letter-spacing: -0.02em; color: var(--fg);
}
.author-phone {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  letter-spacing: 0.08em; color: var(--muted);
}
.author-phone:hover { color: var(--accent); }
.btn-author-cta {
  margin-left: auto; font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  border: 1px solid var(--line); color: var(--muted);
  padding: 9px 16px; white-space: nowrap; flex-shrink: 0;
}
.btn-author-cta:hover { border-color: var(--accent); color: var(--accent); }

/* ── RELATED POSTS ── */
.related-section { padding: 52px 0 64px; }
.related-label {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 28px;
}
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.related-card {
  border: 1px solid var(--line); padding: 26px 22px;
  background: var(--panel); display: block; transition: border-color 0.15s;
}
.related-card:hover { border-color: var(--accent); }
.related-card-cat {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px;
}
.related-card-title {
  font-family: 'Archivo', sans-serif; font-style: italic; font-weight: 800;
  font-size: 20px; letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 8px;
  color: var(--fg);
}
.related-card:hover .related-card-title { color: var(--accent); }
.related-card-desc { font-size: 13px; line-height: 1.6; color: var(--muted); }

/* ── BLOG ARCHIVE ── */
.archive-outer { max-width: 960px; margin: 0 auto; padding: 0 60px; }
.archive-hero { padding: 80px 0 64px; border-bottom: 1px solid var(--line); }
.archive-label {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.archive-title {
  font-family: 'Archivo', sans-serif; font-style: italic; font-weight: 800;
  font-size: clamp(52px, 7vw, 96px); line-height: 0.93; letter-spacing: -0.025em;
}
.archive-lead {
  margin-top: 24px; font-size: 16px; line-height: 1.65; color: var(--muted); max-width: 500px;
}
.posts-list { padding: 0 0 72px; }
.post-item {
  display: grid; grid-template-columns: 80px 1fr 40px;
  gap: 32px; align-items: center;
  padding: 36px 0; border-bottom: 1px solid var(--line);
}
.post-item:first-child { border-top: 1px solid var(--line); margin-top: 40px; }
.post-num {
  font-family: 'JetBrains Mono', monospace; font-size: 40px;
  color: var(--line); font-weight: 500; line-height: 1; align-self: start; padding-top: 4px;
}
.post-body {}
.post-cat {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px;
}
.post-title {
  font-family: 'Archivo', sans-serif; font-style: italic; font-weight: 800;
  font-size: clamp(20px, 2.5vw, 28px); letter-spacing: -0.025em; line-height: 1.15;
  margin-bottom: 8px; color: var(--fg);
}
.post-item:hover .post-title { color: var(--accent); }
.post-excerpt { font-size: 14px; line-height: 1.65; color: var(--muted); }
.post-arrow {
  font-family: 'JetBrains Mono', monospace; font-size: 22px;
  color: var(--line); transition: color 0.15s, transform 0.15s;
}
.post-item:hover .post-arrow { color: var(--accent); transform: translateX(4px); }

/* ── FOOTER ── */
footer {
  padding: 36px 60px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
}
footer .footer-logo { height: 20px; opacity: 0.5; }
.footer-links { display: flex; gap: 24px; }
.footer-link {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
.footer-link:hover { color: var(--accent); }
.footer-copy {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase;
}

/* ── FOCUS ── */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .topbar { padding: 16px 24px; }
  .topbar-nav { display: none; }
  .hamburger { display: flex; }
  .article-outer { padding: 0 24px; }
  .archive-outer { padding: 0 24px; }
  .cta-box { padding: 36px 32px; flex-direction: column; gap: 24px; }
  .related-grid { grid-template-columns: 1fr; }
  .post-item { grid-template-columns: 60px 1fr; }
  .post-arrow { display: none; }
  footer { padding: 28px 24px; flex-direction: column; gap: 14px; text-align: center; }
  .footer-links { justify-content: center; }
}
@media (max-width: 680px) {
  .topbar { padding: 14px 20px; }
  .btn-phone { font-size: 11px; padding: 9px 14px; }
  .article-outer { padding: 0 20px; }
  .archive-outer { padding: 0 20px; }
  .archive-hero { padding: 56px 0 44px; }
  .post-item { grid-template-columns: 1fr; gap: 10px; }
  .post-num { font-size: 28px; }
  .cta-box { padding: 32px 24px; }
  footer { padding: 24px 20px; }
}