/* =========================================================================
   Intercepta Ghost Theme — Sentinel Ink
   Mirrors the intercepta.ai marketing site so the blog feels native.
   ========================================================================= */

:root {
  --bg: #FAFAF7;
  --ink: #0A0E1A;
  --ink-muted: #5A6685;
  --ink-soft: #8A96B8;
  --accent: #2360DF;
  --accent-hover: #1A4FBE;
  --surface: #F1F2F5;
  --border: #E4E7EF;
  --border-soft: #DCE2F0;
  --dark: #121732;
  --pass: #22C55E;
  --fail: #EF4444;

  --container-max: 72rem;
  --container-narrow: 44rem;
  --container-wide: 80rem;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 2px rgba(10, 14, 26, 0.04);
  --shadow-md: 0 4px 12px rgba(10, 14, 26, 0.08);
  --shadow-lg: 0 12px 32px rgba(10, 14, 26, 0.12);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.011em;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

::selection { background: var(--accent); color: #fff; }

/* ---------- Containers ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
@media (min-width: 1024px) { .container { padding-inline: 2rem; } }

.container-narrow { max-width: var(--container-narrow); margin-inline: auto; padding-inline: 1.5rem; }
.container-wide   { max-width: var(--container-wide);   margin-inline: auto; padding-inline: 1.5rem; }

.text-center { text-align: center; }

/* ---------- Eyebrow / Accent ---------- */
.eyebrow {
  font-family: 'Courier New', ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1rem;
}

.accent-word {
  position: relative;
  display: inline-block;
  z-index: 0;
}
.accent-word::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0.05em;
  height: 0.18em;
  background: var(--accent);
  opacity: 0.85;
  z-index: -1;
  border-radius: 1px;
}

/* ============================================================
   NAV
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 247, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 0 1.5rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
@media (min-width: 1024px) { .nav-container { padding-inline: 2rem; } }

.nav-left { display: flex; align-items: center; gap: 0.75rem; }
.nav-logo { display: flex; align-items: center; gap: 0.5rem; color: var(--ink); }
.nav-logo:hover { color: var(--ink); }
.nav-logo-mark { height: 32px; width: auto; }
.nav-logo-text { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; }

.nav-center {
  display: none;
  align-items: center;
  gap: 0.25rem;
}
@media (min-width: 900px) {
  .nav-center { display: flex; }
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s;
}
.nav-link:hover { color: var(--ink); }
.nav-link-active {
  color: var(--ink);
  font-weight: 600;
  position: relative;
}
.nav-link-active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-link-secondary {
  display: none;
}
@media (min-width: 640px) {
  .nav-link-secondary { display: inline-flex; }
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--ink);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  transition: background 0.15s;
}
.nav-cta:hover { background: #1a2040; color: #fff; }

/* Mobile menu */
.nav-mobile-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
}
.nav-mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}
@media (min-width: 900px) {
  .nav-mobile-toggle { display: none; }
}

@media (max-width: 899px) {
  .nav-center {
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    display: none;
  }
  .nav-center.is-open { display: flex; }
  .nav-link { padding: 0.875rem 0.75rem; font-size: 0.9375rem; }
  .nav-link-active::after { display: none; }
  .nav-link-active { background: var(--surface); border-radius: var(--radius-sm); }
}

/* ============================================================
   PAGE HERO
   ============================================================ */
.page-hero {
  background: var(--bg);
  padding: 5rem 1.5rem 3rem;
  position: relative;
  overflow: hidden;
}
.page-hero::before, .page-hero::after {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.page-hero::before {
  top: -200px; left: -150px;
  background: radial-gradient(circle at center, rgba(35,96,223,0.05), transparent 65%);
}
.page-hero::after {
  bottom: -300px; right: -200px;
  background: radial-gradient(circle at center, rgba(35,96,223,0.04), transparent 65%);
}
.page-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-narrow);
  margin-inline: auto;
  text-align: center;
}
.page-hero-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}
.page-hero-sub {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink-muted);
  max-width: 36rem;
  margin-inline: auto;
}
.page-hero-compact { padding-block: 4rem 2.5rem; }

.author-hero-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 1.25rem;
  border: 1px solid var(--border);
}

/* ============================================================
   POST GRID
   ============================================================ */
.post-grid-section {
  padding: 3rem 0 5rem;
}
.post-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 700px) {
  .post-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .post-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem 2.5rem; }
}

.post-card { display: flex; }
.post-card-link {
  display: flex;
  flex-direction: column;
  width: 100%;
  color: var(--ink);
  border-radius: var(--radius-lg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.post-card-link:hover {
  color: var(--ink);
  transform: translateY(-2px);
}
.post-card-link:hover .post-card-title { color: var(--accent); }

.post-card-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--surface);
  margin-bottom: 1.25rem;
}
.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card-link:hover .post-card-image img { transform: scale(1.03); }

.post-card-body { display: flex; flex-direction: column; gap: 0.625rem; }

.post-card-tag {
  font-family: 'Courier New', ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.post-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--ink);
  transition: color 0.15s;
}
.post-card-excerpt {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--ink-muted);
}
.post-card-meta {
  font-size: 0.8125rem;
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  align-items: center;
  margin-top: 0.25rem;
}
.dot { color: var(--ink-soft); }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 4rem;
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
  flex-wrap: wrap;
}
.pagination-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  padding: 0.625rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: background 0.15s, border-color 0.15s;
}
.pagination-link:not(.pagination-disabled):hover {
  background: var(--surface);
  border-color: var(--ink);
  color: var(--ink);
}
.pagination-disabled { opacity: 0.4; cursor: not-allowed; }
.pagination-meta { color: var(--ink-soft); font-size: 0.8125rem; }

/* ============================================================
   POST ARTICLE
   ============================================================ */
.post-article { padding-bottom: 4rem; }

.post-header {
  padding: 4rem 0 2.5rem;
  text-align: center;
}
.post-tag-badge {
  display: inline-block;
  font-family: 'Courier New', ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  background: rgba(35, 96, 223, 0.08);
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.post-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.post-deck {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--ink-muted);
  margin-bottom: 2rem;
}
.post-meta {
  display: flex;
  justify-content: center;
  align-items: center;
}
.post-author {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
}
.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.author-name { font-size: 0.9375rem; font-weight: 500; color: var(--ink); }
.post-meta-secondary {
  font-size: 0.8125rem;
  color: var(--ink-soft);
  margin-top: 2px;
}

.post-feature {
  margin-block: 0 3rem;
}
.post-feature img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.post-feature figcaption {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--ink-soft);
  margin-top: 0.75rem;
}

/* ============================================================
   PROSE / RICH CONTENT
   ============================================================ */
.prose {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink);
}
.prose > * + * { margin-top: 1.5rem; }
.prose h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-top: 3rem;
}
.prose h3 {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin-top: 2.25rem;
}
.prose h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 1.75rem;
}
.prose p { margin: 0; }
.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.prose a:hover { color: var(--accent-hover); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose em { font-style: italic; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0 0.5rem 1.5rem;
  font-size: 1.1875rem;
  line-height: 1.6;
  color: var(--ink);
  font-style: italic;
}
.prose ul, .prose ol { padding-left: 1.5rem; }
.prose ul li, .prose ol li { margin-bottom: 0.5rem; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }

.prose img, .prose figure {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.prose figure { display: block; margin-block: 2.25rem; }
.prose figcaption {
  font-size: 0.8125rem;
  color: var(--ink-soft);
  text-align: center;
  margin-top: 0.5rem;
}

.prose pre {
  background: var(--ink);
  color: #E4E7EF;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: 'Courier New', ui-monospace, monospace;
  font-size: 0.875rem;
  line-height: 1.6;
}
.prose code {
  font-family: 'Courier New', ui-monospace, monospace;
  font-size: 0.9em;
  background: var(--surface);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--ink);
}
.prose pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin-block: 3rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}
.prose th, .prose td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}
.prose th { background: var(--surface); font-weight: 600; }

/* Ghost-specific cards */
.kg-image-card, .kg-gallery-card { margin-block: 2.5rem; }
.kg-width-wide { max-width: var(--container-wide); margin-inline: calc(50% - 50vw); padding-inline: 1.5rem; }
.kg-width-full { max-width: 100vw; margin-inline: calc(50% - 50vw); }
.kg-bookmark-card {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: var(--ink);
}
.kg-bookmark-content { padding: 1.25rem; flex: 1; }
.kg-bookmark-title { font-weight: 600; margin-bottom: 0.25rem; }
.kg-bookmark-description {
  font-size: 0.875rem;
  color: var(--ink-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.kg-bookmark-thumbnail img { height: 100%; object-fit: cover; }
.kg-callout-card {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--surface);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.kg-toggle-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}

/* ============================================================
   POST TAGS
   ============================================================ */
.post-tags {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.post-tags-label {
  font-size: 0.8125rem;
  color: var(--ink-soft);
  margin-right: 0.5rem;
}
.post-tag {
  font-size: 0.8125rem;
  color: var(--ink);
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: background 0.15s;
}
.post-tag:hover { background: var(--surface); color: var(--ink); }

/* ============================================================
   CTA CARD (in-post)
   ============================================================ */
.cta-card {
  margin-top: 3.5rem;
  padding: 0;
}
.cta-card-inner {
  background: var(--ink);
  color: #fff;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-card-inner::before {
  content: "";
  position: absolute;
  top: -100px; right: -100px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(35,96,223,0.35), transparent 65%);
  pointer-events: none;
}
.cta-eyebrow {
  font-family: 'Courier New', ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0.75rem;
  position: relative;
}
.cta-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 0.875rem;
  max-width: 32rem;
  margin-inline: auto;
  position: relative;
}
.cta-body {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.75rem;
  max-width: 28rem;
  margin-inline: auto;
  position: relative;
}
.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  position: relative;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: #fff;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  transition: background 0.15s, transform 0.15s;
}
.btn-primary:hover { background: rgba(255,255,255,0.9); color: var(--ink); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  transition: background 0.15s, border-color 0.15s;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}

/* ============================================================
   RELATED POSTS
   ============================================================ */
.related-section {
  padding: 4rem 0 5rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.related-heading {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}
.post-grid-related .post-card-image { aspect-ratio: 16 / 9; }

/* ============================================================
   ERROR PAGE
   ============================================================ */
.error-section { padding: 6rem 1.5rem; }
.error-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0.5rem 0 1rem;
}
.error-body {
  color: var(--ink-muted);
  margin-bottom: 2rem;
}
.error-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.error-section .btn-primary {
  background: var(--ink);
  color: #fff;
}
.error-section .btn-secondary {
  color: var(--ink);
  border-color: var(--border);
}
.error-section .btn-secondary:hover {
  background: var(--surface);
  border-color: var(--ink);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--dark);
  color: #fff;
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
@media (min-width: 1024px) { .footer-container { padding-inline: 2rem; } }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; gap: 3rem; }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.footer-logo-mark { height: 32px; width: auto; }
.footer-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}
.footer-tagline {
  color: rgba(255,255,255,0.65);
  margin-bottom: 0.75rem;
  max-width: 28rem;
  line-height: 1.6;
}
.footer-parent {
  font-family: 'Courier New', ui-monospace, monospace;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}

.footer-heading {
  font-family: 'Courier New', ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1rem;
  font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 0.75rem; }
.footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  transition: color 0.15s;
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
}
@media (min-width: 640px) { .footer-bottom { flex-direction: row; } }
.footer-mail {
  font-family: 'Courier New', ui-monospace, monospace;
  color: rgba(255,255,255,0.6);
}
.footer-mail:hover { color: #fff; }