/* =========================================================
   hostinghome.cc — custom styles
   ========================================================= */

/* ---------- Tokens — dark (default) ---------- */
:root {
  --color-bg:        #080c10;
  --color-surface:   #0d1117;
  --color-surface-2: #111820;
  --color-border:    #1c2a3a;
  --color-accent:    #00d4ff;
  --color-accent-2:  #0088ff;
  --color-text:      #ddeeff;
  --color-muted:     #4a7090;
  --font-sans:       'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:       'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  --radius:          4px;
  --radius-sm:       2px;
  --transition:      0.2s ease;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }

/* ---------- Navbar ---------- */
#main-nav {
  background-color: rgba(8, 12, 16, 0.90);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  position: relative;
  overflow: hidden;
}

#main-nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 5px,
    rgba(0,212,255,0.08) 5px,
    rgba(0,212,255,0.08) 7px
  );
  mask-image: linear-gradient(to right, black 0%, transparent 20%);
  -webkit-mask-image: linear-gradient(to right, black 0%, transparent 20%);
  pointer-events: none;
  z-index: 0;
}

#main-nav .container {
  position: relative;
  z-index: 1;
}

.navbar-brand {
  color: var(--color-text) !important;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.brand-base {
  color: #ffffff;
  font-weight: 800;
}

.navbar-toggler {
  border-color: var(--color-border);
}
.navbar-toggler-icon {
  filter: invert(0.8);
}

.nav-link {
  color: #a0b8cc !important;
  font-size: 0.9rem;
  padding: 0.4rem 0.75rem !important;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: #ffffff !important;
  background: rgba(255,255,255,0.08);
}

/* ---------- Brand accent ---------- */
.brand-accent { color: var(--color-accent); }

/* ---------- Hero ---------- */
.hero-section {
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0,212,255,0.18) 0%, transparent 70%),
              var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.hero-eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 480px;
  margin: 0 auto;
}

/* ---------- Section titles ---------- */
.section-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ---------- Post cards ---------- */
.post-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.post-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,212,255,0.20);
}

.card-img-wrap {
  overflow: hidden;
  height: 180px;
  background: var(--color-surface-2);
}

.post-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card:hover .post-thumb {
  transform: scale(1.04);
}

.card-body { padding: 1.2rem 1.2rem 0.5rem; }

.post-tag {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-2);
  background: rgba(0,136,255,0.10);
  padding: 0.2em 0.6em;
  border-radius: 99px;
  border: 1px solid rgba(0,136,255,0.28);
}
.post-date {
  display: block;
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-bottom: 0.35rem;
}

.post-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.post-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

.post-card-footer {
  background: transparent;
  border-top: 1px solid var(--color-border);
  padding: 0.75rem 1.2rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* ---------- Badge ---------- */
.bg-accent {
  background: rgba(0,212,255,0.10) !important;
  color: var(--color-accent) !important;
  border: 1px solid rgba(0,212,255,0.28);
  font-size: 0.75rem;
  font-weight: 700;
}

/* ---------- About ---------- */
.about-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-text {
  color: var(--color-muted);
  font-size: 1rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.footer-text {
  font-size: 0.82rem;
  color: var(--color-muted);
}

/* =========================================================
   POST PAGE STYLES
   (used by individual post files in /posts/)
   ========================================================= */

.post-header {
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0,212,255,0.14) 0%, transparent 70%),
              var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 3.5rem 0 2.5rem;
}

.post-header .post-title-lg {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.post-header .post-meta {
  font-size: 0.85rem;
  color: var(--color-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.post-hero-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin: 2rem 0;
}

.post-body {
  color: var(--color-text);
  font-size: 1.0125rem;
  line-height: 1.8;
}

.post-body h2 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}

.post-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.post-body p { margin-bottom: 1.2rem; }

.post-body a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: rgba(0,212,255,0.4);
  text-underline-offset: 3px;
}
.post-body a:hover { text-decoration-color: var(--color-accent); }

.post-body img {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  margin: 1.5rem auto;
}

/* Inline code */
.post-body code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--color-accent-2);
}

/* Code blocks */
.post-body pre {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  position: relative;
}

.post-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.875rem;
  color: var(--color-text);
}

/* Code block label */
.code-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 0.25em 0.75em;
  margin-bottom: 0;
}

.code-label + pre {
  border-top-left-radius: 0;
  margin-top: 0;
}

/* blockquote */
.post-body blockquote {
  border-left: 3px solid var(--color-accent);
  margin: 1.5rem 0;
  padding: 0.75rem 1.25rem;
  background: rgba(0,212,255,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-muted);
  font-style: italic;
}

/* image caption */
.img-caption {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: -1rem;
  margin-bottom: 1.5rem;
}

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--transition);
  margin-bottom: 1.5rem;
}
.back-link:hover { color: var(--color-accent); }

/* ---------- All-posts link (index footer) ---------- */
.all-posts-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.all-posts-link:hover {
  background: var(--color-surface-2);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.14);
}

/* ---------- Archive page ---------- */
.archive-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.archive-year {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  padding: 1.5rem 0 0.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0.25rem;
}

.archive-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.archive-item:last-child { border-bottom: none; }

.archive-item a {
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
  flex: 1;
}
.archive-item a:hover { color: var(--color-accent); }

.archive-item a::before {
  content: '→ ';
  color: var(--color-accent);
  font-weight: 700;
  opacity: 0;
  transition: opacity var(--transition);
}
.archive-item:hover a::before { opacity: 1; }

.archive-item time {
  font-size: 0.8rem;
  color: var(--color-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.archive-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}