/* ============================================================
   TheMusicIsTheKey — Shared Theme Stylesheet
   Used by: /blog/ (archive + single post), future pages

   SHORTCODE MAPPING (for WP integration later)
   --------------------------------------------------------------
   [tldr] ...bullets...         →  <div class="tldr">...</div>
   [pros-cons]                  →  <div class="pros-cons">...</div>
   [pros]                       →  <div class="pros-cons__col pros-cons__col--pros">
   [cons]                       →  <div class="pros-cons__col pros-cons__col--cons">
   [protip]                     →  <div class="pro-tip">...</div>
   [callout type="..."]         →  <div class="callout callout--...">...</div>
   [stat-card]                  →  <div class="stat-card">...</div>
   [cta-card]                   →  <aside class="cta-card">...</aside>
   (Tables are auto-styled inside .post-content via `.post-content table`)
   ============================================================ */

/* ─── TOKENS (light only by default, dark still toggleable) ─── */
:root, [data-theme="light"] {
  --color-bg: #faf8f4;
  --color-surface: #f5f2eb;
  --color-surface-2: #ede9df;
  --color-surface-offset: #e4dfd3;
  --color-divider: #d9d4c8;
  --color-border: #cdc8bc;

  --color-text: #1a1812;
  --color-text-muted: #6b6558;
  --color-text-faint: #a09a8f;
  --color-text-inverse: #faf8f4;

  --color-primary: #8b6914;
  --color-primary-hover: #6d5010;
  --color-primary-active: #4e390c;
  --color-primary-highlight: #f0e8d0;

  --color-accent-deep: #1a1812;
  --color-accent-warm: #c49a2e;
  --color-accent-light: #f5e8c0;

  --color-success: #3f7a4a;
  --color-success-bg: #e8f1e4;
  --color-danger: #a04242;
  --color-danger-bg: #f4e4e4;
  --color-info: #2f5a7a;
  --color-info-bg: #e4ecf2;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 3px rgba(26, 24, 18, 0.07);
  --shadow-md: 0 4px 16px rgba(26, 24, 18, 0.10);
  --shadow-lg: 0 16px 48px rgba(26, 24, 18, 0.14);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-post: 1100px;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;

  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;
}

[data-theme="dark"] {
  --color-bg: #141210;
  --color-surface: #1c1a16;
  --color-surface-2: #22201b;
  --color-surface-offset: #2a2820;
  --color-divider: #333028;
  --color-border: #3d3b30;
  --color-text: #ede8df;
  --color-text-muted: #8a8478;
  --color-text-faint: #5a5650;
  --color-text-inverse: #141210;
  --color-primary: #c49a2e;
  --color-primary-hover: #d4aa40;
  --color-primary-active: #e4c060;
  --color-primary-highlight: #2e2a1a;
  --color-accent-warm: #c49a2e;
  --color-accent-light: #2e2a1a;
  --color-success-bg: #1a2a1e;
  --color-danger-bg: #2a1a1a;
  --color-info-bg: #1a2530;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; scroll-padding-top: 100px; }
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100dvh;
}
img { display: block; max-width: 100%; height: auto; }
ul[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; }
p, li { text-wrap: pretty; }
button { cursor: pointer; background: none; border: none; }
a { color: var(--color-primary); }
a, button, [role="button"] {
  transition: color var(--transition-interactive),
              background var(--transition-interactive),
              opacity var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}
::selection { background: var(--color-primary-highlight); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

/* ─── LAYOUT ─── */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--wide {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--post {
  max-width: var(--content-post);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
section { padding-block: clamp(var(--space-16), 8vw, var(--space-24)); }

/* ─── NAV ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(26, 24, 18, 0.08);
}
[data-theme="dark"] .nav { background: rgba(20, 18, 16, 0.92); border-bottom-color: rgba(237, 232, 223, 0.08); }
.nav__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.nav__logo-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}
.nav__logo-name span { color: var(--color-primary); }
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav__links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
}
.nav__links a:hover,
.nav__links a[aria-current="page"] { color: var(--color-text); }
.nav__cta { display: flex; align-items: center; gap: var(--space-3); }
.theme-toggle {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: transparent;
}
.theme-toggle:hover { background: var(--color-surface); color: var(--color-text); }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid rgba(26, 24, 18, 0.15);
}
.btn--ghost:hover { background: var(--color-surface); color: var(--color-text); }
.btn--xl {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-base);
}
.btn--full { width: 100%; justify-content: center; }

/* ─── BREADCRUMBS ─── */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
}
.breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.breadcrumbs a:hover { color: var(--color-primary); }
.breadcrumbs__sep {
  color: var(--color-text-faint);
  font-weight: 400;
}
.breadcrumbs__current { color: var(--color-text); }

/* ─── PAGE HERO (used by blog archive + single post) ─── */
/* No featured image — a bold H1 on a faintly patterned background instead */
.page-hero {
  padding-top: clamp(var(--space-16), 9vw, var(--space-24));
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-16));
  background:
    radial-gradient(ellipse 70% 50% at 15% 30%, rgba(196, 154, 46, 0.09) 0%, transparent 60%),
    radial-gradient(ellipse 60% 55% at 85% 75%, rgba(139, 105, 20, 0.07) 0%, transparent 60%),
    var(--color-surface);
  border-bottom: 1px solid rgba(26, 24, 18, 0.08);
  position: relative;
  overflow: hidden;
}
/* Subtle musical-dot grid pattern over the whole hero */
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='44' height='44' viewBox='0 0 44 44'%3E%3Cg fill='%238b6914' fill-opacity='0.055'%3E%3Ccircle cx='2' cy='2' r='1.2'/%3E%3Ccircle cx='24' cy='2' r='1.2'/%3E%3Ccircle cx='2' cy='24' r='1.2'/%3E%3Ccircle cx='24' cy='24' r='1.2'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  mask-image: linear-gradient(180deg, black 0%, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, black 0%, black 70%, transparent 100%);
}
/* Faint treble-clef glyph behind the title — set-dressing, not content */
.page-hero::after {
  content: "♪";
  position: absolute;
  top: 50%;
  right: -40px;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(16rem, 30vw, 28rem);
  line-height: 0.8;
  color: rgba(139, 105, 20, 0.05);
  pointer-events: none;
  font-weight: 400;
  user-select: none;
}
.page-hero__inner {
  max-width: var(--content-post);
  margin-inline: auto;
  padding-inline: var(--space-6);
  position: relative;
  z-index: 1;
}
.page-hero__breadcrumbs { margin-bottom: var(--space-8); }
.page-hero__eyebrow {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  border: 1px solid rgba(139, 105, 20, 0.18);
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 1rem + 5vw, 5.5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--color-text);
  max-width: 18ch;
  margin-bottom: var(--space-6);
}
.page-hero__title em { font-style: italic; color: var(--color-primary); font-weight: 700; }
.page-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.55;
}
.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(26, 24, 18, 0.08);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.page-hero__meta-item { display: flex; align-items: center; gap: var(--space-2); }
.page-hero__meta-item strong { color: var(--color-text); font-weight: 600; }

/* ─── POST LAYOUT (main + sticky sidebar) ─── */
.post-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--space-16);
  max-width: var(--content-post);
  margin-inline: auto;
  padding: clamp(var(--space-12), 6vw, var(--space-16)) var(--space-6);
}
.post-main { min-width: 0; }
.post-sidebar { position: relative; }
.post-sidebar__sticky {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* ─── POST CONTENT TYPOGRAPHY ─── */
.post-content {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-text);
}
.post-content > * + * { margin-top: var(--space-5); }
.post-content p { color: var(--color-text); }
.post-content a { color: var(--color-primary); text-decoration: underline; text-decoration-color: rgba(139, 105, 20, 0.4); text-underline-offset: 3px; }
.post-content a:hover { text-decoration-color: var(--color-primary); }
.post-content strong { color: var(--color-text); font-weight: 700; }
.post-content em { font-style: italic; }

.post-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1rem + 2vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--color-text);
  margin-top: var(--space-16);
  margin-bottom: var(--space-5);
  padding-top: var(--space-5);
  position: relative;
  scroll-margin-top: 100px;
}
.post-content h2::before {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent-warm) 100%);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}
.post-content h2 .anchor-link {
  opacity: 0;
  margin-left: var(--space-3);
  color: var(--color-text-faint);
  text-decoration: none;
  font-weight: 400;
  font-family: var(--font-body);
  font-size: 0.7em;
  transition: opacity var(--transition-interactive);
}
.post-content h2:hover .anchor-link { opacity: 1; }

.post-content h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1rem + 1.2vw, 1.85rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}
.post-content h4 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.post-content ul, .post-content ol {
  padding-left: var(--space-6);
  color: var(--color-text);
}
.post-content ul li, .post-content ol li { margin-bottom: var(--space-3); }
.post-content ul li::marker { color: var(--color-primary); }
.post-content ol li::marker { color: var(--color-primary); font-weight: 700; }

.post-content blockquote {
  margin: var(--space-10) 0;
  padding: var(--space-6) var(--space-8);
  border-left: 4px solid var(--color-primary);
  background: var(--color-surface);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.5;
}
.post-content blockquote cite {
  display: block;
  margin-top: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: normal;
  color: var(--color-text-muted);
}

.post-content hr {
  border: none;
  height: 1px;
  background: var(--color-divider);
  margin: var(--space-12) 0;
}

.post-content figure {
  margin: var(--space-10) 0;
}
.post-content figure img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.post-content figcaption {
  margin-top: var(--space-3);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

/* ─── STYLED TABLES ─── */
.post-content table,
.styled-table {
  width: 100%;
  margin: var(--space-10) 0;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: var(--text-sm);
  box-shadow: var(--shadow-sm);
}
.post-content table thead,
.styled-table thead {
  background: linear-gradient(180deg, var(--color-surface-2) 0%, var(--color-surface) 100%);
  border-bottom: 2px solid var(--color-primary);
}
.post-content table th,
.styled-table th {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  text-align: left;
  padding: var(--space-4) var(--space-5);
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.post-content table td,
.styled-table td {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-divider);
  color: var(--color-text);
  vertical-align: top;
}
.post-content table tbody tr:nth-child(even),
.styled-table tbody tr:nth-child(even) {
  background: var(--color-surface);
}
.post-content table tbody tr:hover,
.styled-table tbody tr:hover {
  background: var(--color-primary-highlight);
}

/* ─── TL;DR BOX ─── */
.tldr {
  margin: var(--space-10) 0;
  padding: var(--space-6) var(--space-8);
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-primary-highlight) 100%);
  border: 1px solid rgba(139, 105, 20, 0.25);
  border-left: 5px solid var(--color-primary);
  border-radius: var(--radius-lg);
}
.tldr__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.5);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.tldr__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.tldr__list li {
  position: relative;
  padding-left: var(--space-6);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.55;
}
.tldr__list li::before {
  content: "♪";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.1em;
}
.tldr p {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.6;
}

/* ─── PROS & CONS BOX ─── */
.pros-cons {
  margin: var(--space-10) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.pros-cons__col {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.pros-cons__col--pros {
  background: var(--color-success-bg);
  border-color: rgba(63, 122, 74, 0.25);
  border-top: 4px solid var(--color-success);
}
.pros-cons__col--cons {
  background: var(--color-danger-bg);
  border-color: rgba(160, 66, 66, 0.25);
  border-top: 4px solid var(--color-danger);
}
.pros-cons__col h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0 0 var(--space-4) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.pros-cons__col--pros h4 { color: var(--color-success); }
.pros-cons__col--cons h4 { color: var(--color-danger); }
.pros-cons__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.pros-cons__col li {
  position: relative;
  padding-left: var(--space-6);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text);
}
.pros-cons__col--pros li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}
.pros-cons__col--cons li::before {
  content: "✕";
  position: absolute;
  left: 0;
  color: var(--color-danger);
  font-weight: 700;
}

/* ─── PRO TIP BOX ─── */
.pro-tip {
  margin: var(--space-10) 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  padding: var(--space-6) var(--space-8);
  background: var(--color-info-bg);
  border: 1px solid rgba(47, 90, 122, 0.2);
  border-left: 5px solid var(--color-info);
  border-radius: var(--radius-lg);
}
.pro-tip__icon {
  width: 44px;
  height: 44px;
  background: rgba(47, 90, 122, 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.pro-tip__body strong {
  display: block;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-info);
  margin-bottom: var(--space-2);
}
.pro-tip__body p {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
}
.pro-tip__body p + p { margin-top: var(--space-3); }

/* ─── GENERIC CALLOUT ─── */
.callout {
  margin: var(--space-10) 0;
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-lg);
  border-left: 5px solid var(--color-primary);
  background: var(--color-surface);
}
.callout--warning { border-left-color: var(--color-danger); background: var(--color-danger-bg); }
.callout--info { border-left-color: var(--color-info); background: var(--color-info-bg); }
.callout--success { border-left-color: var(--color-success); background: var(--color-success-bg); }
.callout__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  color: var(--color-primary);
}
.callout--warning .callout__label { color: var(--color-danger); }
.callout--info .callout__label { color: var(--color-info); }
.callout--success .callout__label { color: var(--color-success); }

/* ─── AUTHOR BOX ─── */
.author-box {
  margin: var(--space-16) 0 var(--space-10);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: var(--space-6);
  align-items: start;
}
.author-box__avatar {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  border: 3px solid var(--color-bg);
  box-shadow: var(--shadow-md);
}
.author-box__avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-box__eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.author-box__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.1;
}
.author-box__bio {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}
.author-box__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
}
.author-box__links a {
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ─── SIDEBAR: TOC ─── */
.toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.toc__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}
.toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: 50vh;
  overflow-y: auto;
}
.toc__list a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--color-text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: color var(--transition-interactive),
              background var(--transition-interactive),
              border-color var(--transition-interactive);
}
.toc__list a:hover {
  color: var(--color-text);
  background: rgba(139, 105, 20, 0.05);
}
.toc__list a.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: var(--color-primary-highlight);
  font-weight: 600;
}

/* ─── SIDEBAR: CTA CARD ─── */
.cta-card {
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: left;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(196, 154, 46, 0.25) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-card__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-warm);
  margin-bottom: var(--space-4);
  position: relative;
}
.cta-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
  position: relative;
}
.cta-card__title em { font-style: italic; color: var(--color-accent-warm); }
.cta-card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
}
.cta-card__list li {
  font-size: var(--text-sm);
  color: rgba(250, 248, 244, 0.75);
  padding-left: var(--space-5);
  position: relative;
  line-height: 1.4;
}
.cta-card__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent-warm);
  font-weight: 700;
}
.cta-card__price {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-2);
  position: relative;
}
.cta-card__price-note {
  font-size: var(--text-xs);
  color: rgba(250, 248, 244, 0.5);
  margin-bottom: var(--space-5);
  position: relative;
}
.cta-card__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--space-3) var(--space-5);
  background: var(--color-accent-warm);
  color: var(--color-text);
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  position: relative;
}
.cta-card__btn:hover {
  background: #d4aa3f;
  transform: translateY(-1px);
}

/* ─── STAT CARD (inline stat block) ─── */
.stat-card {
  margin: var(--space-10) 0;
  padding: var(--space-8);
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}
.stat-card__value {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-3);
}
.stat-card__label {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 40ch;
  margin-inline: auto;
}

/* ─── BLOG ARCHIVE — POST GRID ─── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: clamp(var(--space-12), 6vw, var(--space-16)) var(--space-6);
}
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
  text-decoration: none;
  color: inherit;
  min-height: 100%;
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}
.post-card__image {
  aspect-ratio: 16/10;
  background: var(--color-surface-2);
  position: relative;
  overflow: hidden;
}
.post-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1);
}
.post-card:hover .post-card__image img { transform: scale(1.05); }
.post-card__category {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: rgba(250, 248, 244, 0.95);
  backdrop-filter: blur(8px);
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
}
.post-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.post-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}
.post-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: var(--space-5);
  flex: 1;
}
.post-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.post-card__meta-dot {
  width: 3px; height: 3px;
  background: var(--color-text-faint);
  border-radius: 50%;
}

/* ─── FILTER CHIPS ─── */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  padding: var(--space-8) var(--space-6);
  max-width: var(--content-wide);
  margin-inline: auto;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  cursor: pointer;
}
.filter-chip:hover { background: var(--color-surface-2); color: var(--color-text); }
.filter-chip.active {
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-color: var(--color-text);
}

/* ─── PAGINATION ─── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-8) var(--space-6) var(--space-16);
}
.pagination a, .pagination span {
  min-width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
}
.pagination a:hover { background: var(--color-surface-2); color: var(--color-text); }
.pagination .current {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.pagination .ellipsis {
  background: transparent;
  border: none;
}

/* ─── FOOTER ─── */
footer.site-footer {
  background: var(--color-text);
  color: rgba(250, 248, 244, 0.5);
  padding-block: var(--space-12);
  margin-top: var(--space-16);
}
.footer-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
}
.footer-brand .nav__logo-name { color: var(--color-text-inverse); }
.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.65;
  margin-top: var(--space-4);
  max-width: 36ch;
}
.footer-col h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250, 248, 244, 0.4);
  margin-bottom: var(--space-5);
}
.footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: rgba(250, 248, 244, 0.5);
  text-decoration: none;
  margin-bottom: var(--space-3);
}
.footer-col a:hover { color: var(--color-text-inverse); }
.footer-bottom {
  max-width: var(--content-wide);
  margin: var(--space-12) auto 0;
  padding: var(--space-6) var(--space-6) 0;
  border-top: 1px solid rgba(250, 248, 244, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--text-xs);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .post-layout {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .post-sidebar__sticky {
    position: static;
  }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav__links { display: none; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .pros-cons { grid-template-columns: 1fr; }
  .author-box { grid-template-columns: 1fr; text-align: center; }
  .author-box__avatar { margin-inline: auto; }
  .pro-tip { grid-template-columns: 1fr; text-align: left; }
  .page-hero__title { font-size: var(--text-2xl); }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}
