/* ==========================================================================
   payangel.blog — Editorial Remittance & Cross-Border Payments Design System
   Warm Paper / Forest Ink / Burnished Gold · Zero Clichés · Accessible AA+
   ========================================================================== */

:root {
  /* Core Palette */
  --bg-paper: #FAF8F4;
  --bg-warm: #F2EDE3;
  --bg-surface: #FFFFFF;
  --bg-deep: #0C261F;
  --bg-deep-soft: #12332A;

  /* Ink & Text */
  --ink-primary: #111C19;
  --ink-body: #2A3833;
  --ink-muted: #566660;
  --ink-on-dark: #F7F4EC;
  --ink-on-dark-muted: #B9C8C2;

  /* Brand Accents */
  --emerald: #0B6B51;
  --emerald-hover: #08523E;
  --emerald-tint: #E9F3EF;
  --gold: #A87624;
  --gold-light: #D4A24C;
  --gold-tint: #FBF4E6;

  /* Semantic Borders & Surfaces */
  --rule: #E2DDD2;
  --rule-strong: #C9C1B2;
  --warning-bg: #FDF7EC;
  --warning-ink: #704B0E;
  --fact-bg: #EDF5F2;
  --fact-ink: #0C4736;

  /* Typography */
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Spacing & Layout */
  --container: 1220px;
  --measure: 68ch;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Elevation (subtle editorial paper depth) */
  --shadow-card: 0 1px 2px rgba(17, 28, 25, 0.04), 0 8px 24px rgba(17, 28, 25, 0.04);
  --shadow-lift: 0 4px 12px rgba(17, 28, 25, 0.06), 0 16px 36px rgba(17, 28, 25, 0.07);
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-body);
  background-color: var(--bg-paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--emerald);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

a:hover {
  color: var(--emerald-hover);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--emerald);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bg-deep);
  color: var(--ink-on-dark);
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  border-radius: var(--radius-sm);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Reading Progress Bar (Articles) */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--emerald);
  z-index: 900;
  transition: width 0.08s linear;
}

/* Top Regulatory Masthead Bar */
.utility-bar {
  background: var(--bg-deep);
  color: var(--ink-on-dark-muted);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.utility-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  flex-wrap: wrap;
}

.utility-bar__regulators {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--ink-on-dark-muted);
}

.utility-bar__regulators strong {
  color: var(--ink-on-dark);
  font-weight: 500;
}

.utility-bar__links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.utility-bar__links a {
  color: var(--ink-on-dark);
  text-decoration: none;
  font-weight: 500;
}

.utility-bar__links a:hover {
  color: var(--gold-light);
}

/* Primary Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(250, 248, 244, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 70px;
}

.brand-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.15rem;
  text-decoration: none;
  color: var(--ink-primary);
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-mark__dot {
  color: var(--emerald);
}

.brand-mark__tld {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.primary-nav a {
  color: var(--ink-body);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--emerald);
  border-bottom-color: var(--emerald);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 1.2rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn--primary {
  background: var(--emerald);
  color: #FFFFFF;
}

.btn--primary:hover {
  background: var(--emerald-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn--secondary {
  background: var(--bg-surface);
  color: var(--ink-primary);
  border-color: var(--rule-strong);
}

.btn--secondary:hover {
  border-color: var(--ink-primary);
  color: var(--ink-primary);
}

.btn--ghost {
  background: transparent;
  color: var(--ink-primary);
  border-color: var(--rule);
}

.btn--ghost:hover {
  background: var(--bg-warm);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-primary);
  cursor: pointer;
}

/* Typography Hierarchy */
.kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  color: var(--ink-primary);
  margin-top: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.15rem, 4.2vw, 3.35rem);
  line-height: 1.1;
  margin-bottom: 1.15rem;
}

h2 {
  font-size: clamp(1.65rem, 2.7vw, 2.25rem);
  line-height: 1.18;
  margin-bottom: 0.85rem;
}

h3 {
  font-size: 1.3rem;
  line-height: 1.28;
  margin-bottom: 0.6rem;
}

.lead {
  font-size: 1.14rem;
  line-height: 1.65;
  color: var(--ink-body);
  max-width: 58ch;
}

/* Hero Section */
.hero {
  padding: 3.5rem 0 3.25rem;
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(180deg, var(--bg-paper) 0%, var(--bg-warm) 100%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 3rem;
  align-items: start;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 1.75rem 0 2rem;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule-strong);
}

.stat-item__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--emerald);
  letter-spacing: -0.02em;
}

.stat-item__label {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-top: 0.15rem;
}

/* Interactive Corridor Estimator */
.estimator-card {
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--emerald);
  border-radius: var(--radius-md);
  padding: 1.65rem;
  box-shadow: var(--shadow-card);
}

.estimator-card__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.15rem;
}

.estimator-card__title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0;
  color: var(--ink-primary);
}

.estimator-card__tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--emerald);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.estimator-form {
  display: grid;
  gap: 0.95rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-bottom: 0.35rem;
}

.field select,
.field input {
  width: 100%;
  padding: 0.68rem 0.8rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-primary);
  background: var(--bg-paper);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
}

.estimator-result {
  margin-top: 1.15rem;
  padding: 1.1rem;
  background: var(--emerald-tint);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(11, 107, 81, 0.2);
}

.estimator-result__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.estimator-result__payout {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--emerald);
}

.estimator-result__fee {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fact-ink);
}

.estimator-result__meta {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.75rem;
  font-size: 0.86rem;
  color: var(--ink-body);
}

.estimator-result__disclaimer {
  margin-top: 0.65rem;
  font-size: 0.75rem;
  color: var(--ink-muted);
  line-height: 1.45;
}

.estimator-card__footer {
  margin-top: 1rem;
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.estimator-card__footer .btn {
  flex: 1 1 auto;
}

/* Editorial Feature Visual Strip */
.section {
  padding: 4rem 0;
}

.section--warm {
  background: var(--bg-warm);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.section--deep {
  background: var(--bg-deep);
  color: var(--ink-on-dark);
}

.section--deep h2,
.section--deep h3 {
  color: var(--ink-on-dark);
}

.section--deep p {
  color: var(--ink-on-dark-muted);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.25rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--rule);
  flex-wrap: wrap;
}

.section--deep .section-header {
  border-bottom-color: rgba(255, 255, 255, 0.14);
}

.section-header__desc {
  max-width: 54ch;
  margin: 0;
  color: var(--ink-muted);
}

/* Featured Editorial Spread */
.editorial-spread {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2.25rem;
  align-items: stretch;
}

.lead-story {
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

.lead-story__img {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
}

.lead-story__body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.story-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.lead-story__body h3 {
  font-size: 1.7rem;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.lead-story__body h3 a,
.brief-card h3 a,
.card-link-title {
  color: var(--ink-primary);
  text-decoration: none;
}

.lead-story__body h3 a:hover,
.brief-card h3 a:hover,
.card-link-title:hover {
  color: var(--emerald);
}

.story-stack {
  display: grid;
  gap: 1.25rem;
}

.brief-card {
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.brief-card:hover {
  border-color: var(--emerald);
  box-shadow: var(--shadow-card);
}

.brief-card p {
  margin: 0 0 0.9rem;
  font-size: 0.93rem;
  color: var(--ink-muted);
}

.read-more {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--emerald);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* 5 Sending Jurisdictions Ledger */
.sending-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1.1rem;
}

.jurisdiction-card {
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.jurisdiction-card:hover {
  transform: translateY(-2px);
  border-color: var(--emerald);
  box-shadow: var(--shadow-card);
}

.jurisdiction-card__ccy {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--emerald);
  letter-spacing: 0.08em;
  margin-bottom: 0.45rem;
}

.jurisdiction-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.45rem;
}

.jurisdiction-card__reg {
  font-size: 0.83rem;
  color: var(--ink-muted);
  margin: 0 0 1rem;
  line-height: 1.48;
}

/* Filter Toolbar & 13 Destination Cards */
.filter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.85rem;
  flex-wrap: wrap;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.filter-tab {
  background: var(--bg-surface);
  border: 1px solid var(--rule-strong);
  color: var(--ink-body);
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.filter-tab[aria-pressed="true"],
.filter-tab:hover {
  background: var(--emerald);
  border-color: var(--emerald);
  color: #FFFFFF;
}

.search-box {
  position: relative;
  min-width: 260px;
  flex: 0 1 340px;
}

.search-box input {
  width: 100%;
  padding: 0.58rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  background: var(--bg-surface);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  color: var(--ink-primary);
}

.corridor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.35rem;
}

.corridor-card {
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 1.45rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.corridor-card:hover {
  transform: translateY(-2px);
  border-color: var(--emerald);
  box-shadow: var(--shadow-card);
}

.corridor-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}

.corridor-card__region {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.corridor-card__ccy {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--emerald);
  background: var(--emerald-tint);
  padding: 0.15rem 0.48rem;
  border-radius: var(--radius-sm);
}

.corridor-card h3 {
  font-size: 1.32rem;
  margin-bottom: 0.45rem;
}

.corridor-card__rails {
  font-size: 0.87rem;
  color: var(--ink-muted);
  margin: 0 0 1rem;
  line-height: 1.5;
}

.corridor-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule);
  font-size: 0.82rem;
}

.corridor-card__speed {
  font-family: var(--font-mono);
  color: var(--ink-muted);
}

/* Services Editorial Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-deep-soft);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card__img {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
}

.service-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

.service-card__body h3 {
  font-size: 1.32rem;
  margin-bottom: 0.65rem;
}

.service-card__body a {
  color: var(--gold-light);
  font-weight: 600;
  text-decoration: none;
}

.service-card__body a:hover {
  text-decoration: underline;
}

/* Regulatory Ledger Table */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  margin: 1.5rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

caption {
  caption-side: top;
  text-align: left;
  padding: 0.9rem 1.1rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink-primary);
  background: var(--bg-warm);
  border-bottom: 1px solid var(--rule);
}

th, td {
  padding: 0.82rem 1.1rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

th {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-muted);
  background: var(--bg-paper);
  font-weight: 600;
}

tr:last-child td {
  border-bottom: none;
}

/* Article Page Layout */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  font-size: 0.84rem;
  color: var(--ink-muted);
  padding: 1.35rem 0 0.75rem;
}

.breadcrumbs a {
  color: var(--ink-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--emerald);
  text-decoration: underline;
}

.article-header {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2.25rem;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.article-author strong {
  color: var(--ink-primary);
}

.article-hero-figure {
  margin: 1.75rem 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--rule);
}

.article-hero-figure img {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
}

.article-hero-figure figcaption {
  padding: 0.65rem 1rem;
  font-size: 0.82rem;
  color: var(--ink-muted);
  background: var(--bg-warm);
  border-top: 1px solid var(--rule);
}

.article-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 3rem;
  align-items: start;
  padding-bottom: 4rem;
}

.article-toc {
  position: sticky;
  top: 94px;
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.article-toc__title {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  margin: 0 0 0.85rem;
}

.article-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.article-toc a {
  display: block;
  font-size: 0.86rem;
  color: var(--ink-body);
  text-decoration: none;
  padding: 0.25rem 0 0.25rem 0.65rem;
  border-left: 2px solid transparent;
  line-height: 1.4;
}

.article-toc a:hover,
.article-toc a.is-active {
  color: var(--emerald);
  border-left-color: var(--emerald);
  font-weight: 600;
}

.article-content {
  max-width: var(--measure);
}

.quick-answer-box {
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--emerald);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.55rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-card);
}

.quick-answer-box__label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--emerald);
  margin-bottom: 0.45rem;
}

.quick-answer-box p {
  margin: 0;
  font-size: 1.02rem;
  color: var(--ink-primary);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0 2.25rem;
}

.spec-cell {
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
}

.spec-cell__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-bottom: 0.25rem;
}

.spec-cell__value {
  display: block;
  font-weight: 600;
  color: var(--ink-primary);
  font-size: 0.94rem;
}

.article-section {
  margin-bottom: 2.6rem;
  scroll-margin-top: 96px;
}

.article-section h2 {
  padding-top: 0.65rem;
  border-top: 1px solid var(--rule);
}

.article-section ul,
.article-section ol {
  padding-left: 1.35rem;
  margin: 1rem 0;
}

.article-section li {
  margin-bottom: 0.55rem;
}

.callout {
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin: 1.35rem 0;
  border: 1px solid var(--rule);
}

.callout--tip,
.callout--fact {
  background: var(--fact-bg);
  border-left: 4px solid var(--emerald);
}

.callout--warning {
  background: var(--warning-bg);
  border-left: 4px solid var(--gold);
}

.callout__title {
  display: block;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--ink-primary);
  margin-bottom: 0.35rem;
}

.callout p {
  margin: 0;
  font-size: 0.94rem;
}

/* FAQ Accordion */
.faq-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
}

.faq-item summary {
  padding: 1rem 1.2rem;
  font-weight: 600;
  color: var(--ink-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--emerald);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item__body {
  padding: 0 1.2rem 1.1rem;
  font-size: 0.95rem;
  color: var(--ink-body);
  border-top: 1px solid var(--rule);
  padding-top: 0.85rem;
}

.author-bio-box {
  margin-top: 2.5rem;
  padding: 1.35rem 1.5rem;
  background: var(--bg-warm);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
}

.author-bio-box__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-bottom: 0.35rem;
}

.related-section {
  padding: 3.25rem 0 4rem;
  border-top: 1px solid var(--rule);
  background: var(--bg-warm);
}

/* Matrix Page (65 Corridors) */
.matrix-table td a {
  font-weight: 600;
  text-decoration: none;
}

.matrix-table td a:hover {
  text-decoration: underline;
}

/* Footer */
.site-footer {
  background: var(--bg-deep);
  color: var(--ink-on-dark-muted);
  padding: 3.75rem 0 2.5rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.95fr 1.35fr 1fr;
  gap: 2.25rem;
  padding-bottom: 2.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-on-dark);
  margin: 0 0 0.95rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-links--two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 1rem;
}

.footer-links a {
  color: var(--ink-on-dark-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--gold-light);
}

.footer-legal {
  padding-top: 2rem;
  font-size: 0.8rem;
  line-height: 1.65;
  color: rgba(185, 200, 194, 0.85);
}

.footer-legal__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1.15rem;
  margin: 1.25rem 0 1.5rem;
}

.footer-legal__item {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 0.75rem;
}

.footer-legal__item strong {
  display: block;
  color: var(--ink-on-dark);
  margin-bottom: 0.25rem;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 2rem;
  text-align: center;
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  color: var(--ink-muted);
}

/* Responsive Breakpoints */
@media (max-width: 1080px) {
  .sending-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .footer-legal__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .hero__grid,
  .editorial-spread,
  .article-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .corridor-grid,
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .article-toc {
    position: static;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }
  .primary-nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-paper);
    border-bottom: 1px solid var(--rule);
    padding: 1rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }
  .primary-nav.is-open {
    display: flex;
  }
  .header-actions .btn {
    display: none;
  }
  .sending-grid,
  .corridor-grid,
  .services-grid,
  .specs-grid,
  .form-row-2,
  .footer-legal__grid {
    grid-template-columns: 1fr;
  }
  .hero__stats {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }
}