/* ============================================================
   ReidCodex — warm, premium editorial theme
   Serif headings (Playfair Display) + clean sans body (Inter)
   Light "Ford Plantation" palette, Pixar-style hero + card grid
   ============================================================ */

:root {
  /* Palette — warm paper, navy ink, brass accent */
  --paper: #f7f4ee;
  --paper-2: #f1ece3;
  --surface: #ffffff;
  --surface-2: #fbf9f5;
  --navy: #282d39;          /* matches the logo */
  --ink: #232733;
  --text: #44474f;
  --muted: #8b8678;
  --line: #e7e1d5;
  --line-strong: #d9d1c2;
  --accent: #9a7b4a;        /* muted brass / gold */
  --accent-deep: #7c6238;
  --accent-soft: rgba(154, 123, 74, 0.12);
  --danger: #b4453a;
  --danger-soft: rgba(180, 69, 58, 0.1);

  /* Hero (dark band against the light page) */
  --hero-1: #232838;
  --hero-2: #2f3647;

  /* Type */
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Shape & depth */
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(35, 39, 51, 0.05), 0 1px 3px rgba(35, 39, 51, 0.06);
  --shadow-md: 0 6px 18px rgba(35, 39, 51, 0.09);
  --shadow-lg: 0 18px 40px rgba(35, 39, 51, 0.14);

  --maxw: 1240px;
  --sidebar-w: 248px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

a { color: var(--accent-deep); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--accent); }

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

/* ---------- Top navigation ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.75rem;
  background: rgba(247, 244, 238, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.navbar .brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
}
.brand-logo {
  /* No badge: the dark navy mark shows directly on the light navbar. */
  height: 34px;
  width: 34px;
  display: block;
}
.brand-text {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: 0.2px;
  color: var(--ink);
}
.brand-text span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 0.4rem;
  margin-left: auto;
  align-items: center;
}
.nav-links a {
  position: relative;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 0.5rem 0.55rem;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  bottom: 0.25rem;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--ink); }

.nav-toggle {
  display: none;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--hero-1), var(--hero-2));
  color: #fff;
  text-align: center;
  padding: 5rem 1.5rem 5.5rem;
  border-bottom: 1px solid var(--line);
}
/* soft radial glow + faint texture */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1100px 420px at 50% -10%, rgba(154, 123, 74, 0.28), transparent 60%),
    radial-gradient(700px 300px at 85% 120%, rgba(255, 255, 255, 0.06), transparent 60%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}
.hero-logo {
  /* No badge: render the navy mark as white on the dark hero via a filter.
     SVG, so it stays crisp at any size. */
  height: 140px;
  width: 140px;
  margin: 0 auto 1.75rem;
  filter: brightness(0) invert(1);
}
.hero-eyebrow {
  margin: 0 0 1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #d8c4a0;
}
.hero-title {
  color: #fff;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 1.1rem;
  font-weight: 600;
}
.hero-sub {
  margin: 0 auto;
  max-width: 560px;
  font-size: 1.08rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
}
.hero-rule {
  width: 64px;
  height: 2px;
  background: var(--accent);
  border: none;
  margin: 1.75rem auto 0;
}

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: 2.5rem;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 3rem 1.75rem 4rem;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 84px;
}
.search-box { position: relative; margin-bottom: 1.75rem; }
.search-box input {
  width: 100%;
  padding: 0.7rem 0.9rem 0.7rem 2.3rem;
  font-size: 0.92rem;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.search-box input::placeholder { color: var(--muted); }
.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.search-box .search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.95rem;
  pointer-events: none;
}

.sidebar-heading {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin: 0 0 0.75rem;
  padding-left: 0.2rem;
}
.category-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.15rem; }
.category-list button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 0.6rem 0.75rem;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.95rem;
  transition: background 0.15s ease, color 0.15s ease;
}
.category-list button:hover { background: var(--paper-2); color: var(--ink); }
.category-list button.active {
  background: var(--navy);
  color: #fff;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}
.category-list button.active .cat-dot { background: var(--accent); }
.cat-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line-strong);
  flex: none;
  margin-left: 0.75rem;
  transition: background 0.15s ease;
}

/* ---------- Content header ---------- */
.content { min-width: 0; }
.content-header {
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}
.content-header h1 { font-size: 2rem; margin-bottom: 0.3rem; }
.content-header p { margin: 0; color: var(--muted); font-size: 1rem; }

/* ---------- Card grid ---------- */
.posts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr));
  gap: 1.5rem;
}
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.post-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--line-strong);
}
.post-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper-2);
  overflow: hidden;
}
.post-monogram {
  font-family: var(--serif);
  font-size: 3.4rem;
  font-weight: 700;
  opacity: 0.55;
  user-select: none;
}
.post-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(35, 39, 51, 0.06));
}
.post-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.25rem 1.35rem 1.4rem;
}
.post-chip {
  align-self: flex-start;
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  margin-bottom: 0.7rem;
}
.post-card-title {
  font-size: 1.25rem;
  line-height: 1.25;
  margin: 0 0 0.5rem;
}
.post-excerpt {
  margin: 0 0 1rem;
  color: var(--text);
  font-size: 0.93rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-readmore {
  margin-top: auto;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-deep);
}
.post-date {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.empty {
  grid-column: 1 / -1;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  font-size: 0.98rem;
}

/* ---------- Generic page (About / Contact / forms) ---------- */
.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 3.5rem 1.75rem 4rem;
}
.page h1 { font-size: 2.4rem; margin-bottom: 1rem; }
.page p { font-size: 1.05rem; }
.page-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

/* ---------- Cards & forms ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.field { margin-bottom: 1.1rem; }
.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ink);
}
input, select, textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
  font-size: 0.95rem;
  font-family: var(--sans);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { min-height: 180px; resize: vertical; line-height: 1.6; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--navy);
  color: #fff;
  border: 1px solid var(--navy);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.25rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}
.btn:hover { background: #313748; box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.btn.secondary:hover { background: var(--paper-2); }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: #fff; }
.btn.small { padding: 0.4rem 0.8rem; font-size: 0.82rem; }

.row { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

.notice {
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  display: none;
}
.notice.show { display: block; }
.notice.error { background: var(--danger-soft); border: 1px solid var(--danger); color: var(--danger); }
.notice.success { background: var(--accent-soft); border: 1px solid var(--accent); color: var(--accent-deep); }

/* ---------- Admin ---------- */
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
.admin-post {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  background: var(--surface);
  margin-bottom: 0.9rem;
  box-shadow: var(--shadow-sm);
}
.admin-post h4 { font-size: 1.1rem; margin: 0 0 0.4rem; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--muted);
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.85rem;
}
.site-footer .brand-text { font-size: 1rem; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; gap: 1.5rem; padding-top: 2rem; }
  .sidebar {
    position: static;
    display: none;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
  }
  .sidebar.open { display: block; }
  .nav-toggle { display: inline-block; }
  .admin-grid { grid-template-columns: 1fr; }
  .hero { padding: 3.5rem 1.25rem 4rem; }
  .hero-logo { height: 104px; width: 104px; }
}

@media (max-width: 520px) {
  .navbar { padding: 0.75rem 1.1rem; }
  .nav-links { gap: 0.1rem; }
  .nav-links a { padding: 0.5rem 0.35rem; font-size: 0.7rem; }
  .brand-text { font-size: 1.15rem; }
}