/* =========================================================================
   vdBurgIT — content pages (post / page / archive)
   Same design tokens & self-hosted fonts as the home layout (profile.css).
   ========================================================================= */

/* ---- Self-hosted fonts (latin subset, woff2) ---- */
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:700;font-display:swap;
  src:url("../fonts/SpaceGrotesk-700.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fonts/Inter-400.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;
  src:url("../fonts/Inter-600.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fonts/JetBrainsMono-400.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:600;font-display:swap;
  src:url("../fonts/JetBrainsMono-600.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}

:root{
  --ink:#052430; --surface:#083344; --surface-2:#0b4257; --surface-3:#0f5266;
  --azure:#0e7490; --sky:#22d3ee; --cloud:#e0fbff; --green:#4ade80;
  --line:rgba(224,251,255,.12); --muted:#9fb8c2; --muted-2:#6b8c99;
  --mono:"JetBrains Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
  --disp:"Space Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--ink);color:var(--cloud);font-family:var(--body);line-height:1.6;
  -webkit-font-smoothing:antialiased;min-height:100vh;
  background-image:radial-gradient(760px 460px at 90% -6%,rgba(34,211,238,.16),transparent 60%),
                   radial-gradient(520px 340px at -4% 4%,rgba(103,232,249,.09),transparent 60%);
  background-attachment:fixed}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--disp);font-weight:700;letter-spacing:-.02em;line-height:1.12}
::selection{background:var(--azure);color:#fff}
img{max-width:100%;height:auto}

/* ===== brand header ===== */
.site-header{max-width:820px;margin:0 auto;padding:26px 24px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:12px;transition:.15s}
.brand:hover{transform:translateY(-1px)}
.brand-mark{display:block;flex:none}
.brand-mark .cl{fill:var(--sky)}
.brand-mark .sh{fill:#0891b2;stroke:var(--ink);stroke-width:1.4}
.brand-mark .ck{fill:none;stroke:var(--cloud);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.brand-word{font-family:var(--disp);font-weight:700;font-size:22px;letter-spacing:-.01em;color:var(--cloud)}
.brand-word em{font-style:normal;color:var(--sky)}
.site-nav{display:flex;gap:8px;font-family:var(--mono);font-size:12.5px}
.site-nav a{color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:9px 14px;min-height:40px;display:inline-flex;align-items:center;transition:.15s}
.site-nav a:hover{color:var(--sky);border-color:rgba(34,211,238,.4)}

/* ===== content wrap ===== */
.wrap{max-width:820px;margin:0 auto;padding:34px 24px 64px}
.kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--sky)}

/* ===== article header ===== */
.p-head{margin-top:6px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.p-title{font-size:clamp(26px,4vw,40px);margin:10px 0 0}
.p-meta{margin-top:14px;font-family:var(--mono);font-size:12.5px;color:var(--muted-2);display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
.p-meta .cat a,.p-meta .author{color:var(--sky)}
.p-image{margin:26px 0 0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.p-image img{display:block;width:100%}

/* ===== prose ===== */
.prose{margin-top:26px;font-size:16.5px;color:var(--cloud)}
.prose>*+*{margin-top:18px}
.prose p{color:#c7d6de}
.prose h2{font-size:26px;margin-top:38px}
.prose h3{font-size:21px;margin-top:30px}
.prose h4{font-size:17px;margin-top:24px}
.prose a{color:var(--sky);text-decoration:underline;text-decoration-color:rgba(34,211,238,.4);text-underline-offset:2px}
.prose a:hover{text-decoration-color:var(--sky)}
.prose strong{color:var(--cloud);font-weight:600}
.prose ul,.prose ol{padding-left:22px;color:#c7d6de}
.prose li+li{margin-top:6px}
.prose li::marker{color:var(--muted-2)}
.prose blockquote{border-left:3px solid var(--sky);background:var(--surface);border-radius:0 12px 12px 0;padding:14px 18px;color:var(--muted)}
.prose code{font-family:var(--mono);font-size:.88em;background:var(--surface-2);color:#bdeefb;border:1px solid var(--line);border-radius:6px;padding:2px 6px}
.prose pre{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow-x:auto}
.prose pre code{background:none;border:0;padding:0;color:#cfe8ef;font-size:13.5px}
.prose img{border:1px solid var(--line);border-radius:12px}
.prose hr{border:0;border-top:1px solid var(--line);margin:30px 0}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.prose th{background:var(--surface-2);font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}

/* ===== article footer: tags + prev/next ===== */
.p-foot{margin-top:36px;padding-top:22px;border-top:1px solid var(--line)}
.tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-family:var(--mono);font-size:12px}
.tags .lbl{color:var(--muted-2);letter-spacing:.06em;text-transform:uppercase}
.tags a{color:var(--cloud);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 12px;transition:.15s}
.tags a:hover{color:var(--sky);border-color:rgba(34,211,238,.4)}
.p-nav{display:flex;justify-content:space-between;gap:12px;margin-top:22px;font-family:var(--mono);font-size:13px}
.p-nav a{color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 16px;transition:.15s;max-width:48%}
.p-nav a:hover{color:var(--sky);border-color:rgba(34,211,238,.4)}
.p-nav .nx{margin-left:auto;text-align:right}

/* ===== archive list ===== */
.arch-list{margin-top:26px}
.arch-item{display:flex;justify-content:space-between;gap:20px;align-items:baseline;padding:18px 0;border-top:1px solid var(--line);transition:.15s}
.arch-item:hover{padding-left:8px}
.arch-item .ttl{font-family:var(--disp);font-weight:700;font-size:18px}
.arch-item:hover .ttl{color:var(--sky)}
.arch-item .cat{font-family:var(--mono);font-size:12px;color:var(--muted-2);margin-top:3px}
.arch-item .d{font-family:var(--mono);font-size:12px;color:var(--muted-2);white-space:nowrap}

/* ===== footer ===== */
.site-footer{max-width:820px;margin:0 auto;padding:26px 24px 40px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:12px;color:var(--muted-2);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.site-footer a:hover{color:var(--sky)}

/* ===== a11y ===== */
a:focus-visible,button:focus-visible{outline:2px solid var(--sky);outline-offset:2px;border-radius:6px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}
@media(max-width:560px){.p-nav a{max-width:100%}.arch-item{flex-direction:column;gap:2px}}