:root {
  --ab-paper: #f5f3ee;
  --ab-paper-2: #efece4;
  --ab-ink: #16151a;
  --ab-ink-soft: #3a3840;
  --ab-muted: #6b6860;
  --ab-line: #ddd8cd;
  --ab-accent: #b5542f;
  --ab-accent-dark: #97441f;
  --ab-accent-soft: #e8d4c6;
  --ab-card: #fbfaf6;
  --ab-white: #ffffff;
  --ab-shadow: 0 18px 40px -24px rgba(30, 24, 18, 0.5);
  --ab-shadow-soft: 0 10px 24px -18px rgba(30, 24, 18, 0.45);
  --ab-radius: 14px;
  --ab-radius-sm: 9px;
  --ab-maxw: 1180px;
  --ab-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ab-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --ab-sans: "Karla", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--ab-sans);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ab-ink);
  background-color: var(--ab-paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--ab-serif);
  color: var(--ab-ink);
  line-height: 1.12;
  font-weight: 600;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.3rem, 5.2vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p { margin: 0 0 1.1em; }

a {
  color: var(--ab-accent);
  text-decoration: none;
  transition: color 0.25s var(--ab-ease);
}
a:hover { color: var(--ab-accent-dark); }

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

h1, h2, h3 { overflow-wrap: break-word; }

.ab-container {
  width: 100%;
  max-width: var(--ab-maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.ab-section {
  padding: clamp(56px, 8vw, 108px) 0;
}

.ab-section--alt {
  background-color: var(--ab-paper-2);
}

.ab-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ab-sans);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ab-accent);
  margin-bottom: 18px;
}

.ab-lead {
  font-size: 1.2rem;
  color: var(--ab-ink-soft);
  max-width: 62ch;
}

.ab-section-head {
  max-width: 720px;
  margin-bottom: clamp(34px, 5vw, 56px);
}

.ab-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.ab-skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ab-ink);
  color: var(--ab-paper);
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 1200;
}
.ab-skip:focus {
  left: 0;
  color: var(--ab-paper);
}

.ab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 11px 24px;
  font-family: var(--ab-sans);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ab-ease), background-color 0.25s var(--ab-ease), color 0.25s var(--ab-ease), border-color 0.25s var(--ab-ease);
  will-change: transform;
  text-align: center;
}
.ab-btn:hover { transform: translateY(-2px); }
.ab-btn:active { transform: translateY(0); }

.ab-btn--primary {
  background-color: var(--ab-accent);
  color: var(--ab-white);
}
.ab-btn--primary:hover {
  background-color: var(--ab-accent-dark);
  color: var(--ab-white);
}

.ab-btn--ghost {
  background-color: transparent;
  color: var(--ab-ink);
  border-color: var(--ab-ink);
}
.ab-btn--ghost:hover {
  background-color: var(--ab-ink);
  color: var(--ab-paper);
}

.ab-btn--light {
  background-color: var(--ab-paper);
  color: var(--ab-ink);
}
.ab-btn--light:hover {
  background-color: var(--ab-white);
  color: var(--ab-ink);
}

.ab-btn > i {
  flex: 0 0 auto;
  font-size: 1em;
  line-height: 1;
}

/* Compact header nav CTA on desktop (36-40px target). */
@media (min-width: 769px) {
  .ab-nav-end .ab-btn {
    min-height: 38px;
    padding: 7px 18px;
    font-size: 0.94rem;
  }
}

.ab-textlink {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  color: var(--ab-accent);
}
.ab-textlink i { transition: transform 0.3s var(--ab-ease); }
.ab-textlink:hover i { transform: translateX(4px); }

.ab-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background-color: rgba(245, 243, 238, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--ab-line);
}

.ab-nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  min-height: 72px;
}

.ab-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--ab-serif);
  font-weight: 600;
  font-size: 1.28rem;
  color: var(--ab-ink);
  letter-spacing: -0.01em;
}
.ab-brand:hover { color: var(--ab-ink); }
.ab-brand-mark {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background-color: var(--ab-accent);
  color: var(--ab-white);
  font-size: 1.2rem;
}

.ab-nav-center {
  justify-self: center;
}
.ab-nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.ab-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 15px;
  border-radius: 999px;
  font-weight: 600;
  color: var(--ab-ink-soft);
  font-size: 0.98rem;
}
.ab-nav-link:hover,
.ab-nav-link[aria-current="page"] {
  color: var(--ab-ink);
  background-color: var(--ab-paper-2);
}

.ab-dropdown {
  position: relative;
}
.ab-dropdown-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--ab-sans);
}
.ab-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 320px;
  background-color: var(--ab-card);
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  box-shadow: var(--ab-shadow);
  padding: 12px;
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ab-ease), transform 0.25s var(--ab-ease), visibility 0.25s;
  z-index: 950;
}
.ab-dropdown-menu li { margin: 0; }
.ab-dropdown[data-open="true"] .ab-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.ab-dropdown-item {
  display: block;
  padding: 10px 13px;
  border-radius: var(--ab-radius-sm);
  color: var(--ab-ink-soft);
  font-size: 0.95rem;
  font-weight: 600;
}
.ab-dropdown-item:hover {
  background-color: var(--ab-paper-2);
  color: var(--ab-ink);
}
.ab-dropdown-item span {
  display: block;
  font-weight: 400;
  font-size: 0.82rem;
  color: var(--ab-muted);
}
.ab-dropdown-all {
  margin-top: 6px;
  border-top: 1px solid var(--ab-line);
  padding-top: 12px;
}

.ab-nav-end {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 12px;
}

.ab-burger {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--ab-line);
  border-radius: 11px;
  background-color: var(--ab-card);
  color: var(--ab-ink);
  font-size: 1.4rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.ab-hero {
  position: relative;
  overflow: hidden;
}
.ab-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: stretch;
  gap: 0;
  min-height: 600px;
}
.ab-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 6vw, 92px) clamp(24px, 4vw, 68px) clamp(48px, 6vw, 92px) 0;
  max-width: 640px;
  margin-left: auto;
  width: 100%;
}
.ab-hero-inner {
  width: 100%;
  max-width: var(--ab-maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
}
.ab-hero-copy h1 {
  margin-bottom: 20px;
}
.ab-hero-copy h1 span {
  color: var(--ab-accent);
}
.ab-hero-sub {
  font-size: 1.22rem;
  color: var(--ab-ink-soft);
  margin-bottom: 30px;
  max-width: 48ch;
}
.ab-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 26px;
}
.ab-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 0.92rem;
  color: var(--ab-muted);
  font-weight: 600;
}
.ab-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.ab-hero-media {
  position: relative;
  background-color: var(--ab-accent-soft);
  background-image: linear-gradient(200deg, rgba(22, 21, 26, 0.12), rgba(181, 84, 47, 0.28)), url('../img/ab-hero.jpg');
  background-size: cover;
  background-position: center;
  min-height: 320px;
}
.ab-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 40px 0 60px -30px rgba(245, 243, 238, 0.9);
}

.ab-grid {
  display: grid;
  gap: 26px;
}
.ab-grid--articles {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.ab-card {
  display: flex;
  flex-direction: column;
  background-color: var(--ab-card);
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  overflow: hidden;
  transition: transform 0.35s var(--ab-ease), box-shadow 0.35s var(--ab-ease);
  will-change: transform;
}
.ab-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--ab-shadow);
}
.ab-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background-color: var(--ab-accent-soft);
  background-size: cover;
  background-position: center;
}
.ab-card-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  background-color: rgba(22, 21, 26, 0.82);
  color: var(--ab-paper);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 11px;
  border-radius: 999px;
}
.ab-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px 22px 24px;
}
.ab-card-date {
  font-size: 0.82rem;
  color: var(--ab-muted);
  font-weight: 600;
  margin-bottom: 9px;
}
.ab-card-body h3 {
  font-size: 1.28rem;
  margin-bottom: 11px;
}
.ab-card-body h3 a { color: var(--ab-ink); }
.ab-card-body h3 a:hover { color: var(--ab-accent); }
.ab-card-body p {
  color: var(--ab-ink-soft);
  font-size: 0.97rem;
  margin-bottom: 18px;
}
.ab-card-body .ab-textlink {
  margin-top: auto;
  font-size: 0.95rem;
}

.ab-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 68px);
  align-items: center;
}
.ab-split--reverse .ab-split-media { order: 2; }
.ab-split-media {
  border-radius: var(--ab-radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--ab-accent-soft);
  background-size: cover;
  background-position: center;
  box-shadow: var(--ab-shadow-soft);
}
.ab-split-copy h2 { margin-bottom: 18px; }

.ab-marklist {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  display: grid;
  gap: 15px;
}
.ab-marklist li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
}
.ab-marklist i {
  color: var(--ab-accent);
  font-size: 1.2rem;
  margin-top: 2px;
  flex-shrink: 0;
}
.ab-marklist strong {
  display: block;
  color: var(--ab-ink);
}
.ab-marklist span { color: var(--ab-ink-soft); }

.ab-glossary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 34px;
}
.ab-term {
  border-top: 3px solid var(--ab-accent);
  padding-top: 18px;
}
.ab-term dt {
  font-family: var(--ab-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.ab-term dd {
  margin: 0;
  color: var(--ab-ink-soft);
  font-size: 0.97rem;
}

.ab-pillars {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
}
.ab-pillar {
  background-color: var(--ab-card);
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  padding: 30px 28px;
}
.ab-pillar:nth-child(1) { grid-column: span 7; }
.ab-pillar:nth-child(2) { grid-column: span 5; }
.ab-pillar:nth-child(3) { grid-column: span 5; }
.ab-pillar:nth-child(4) { grid-column: span 7; }
.ab-pillar-ico {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 13px;
  background-color: var(--ab-accent-soft);
  color: var(--ab-accent-dark);
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.ab-pillar h3 { font-size: 1.35rem; margin-bottom: 10px; }
.ab-pillar p { color: var(--ab-ink-soft); margin: 0; }

.ab-method {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}
.ab-method-item {
  padding: 28px 26px;
  background-color: var(--ab-paper);
  border-radius: var(--ab-radius);
  border: 1px solid var(--ab-line);
}
.ab-method-num {
  font-family: var(--ab-serif);
  font-size: 2.1rem;
  color: var(--ab-accent);
  font-weight: 600;
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}
.ab-method-item h3 { font-size: 1.3rem; margin-bottom: 9px; }
.ab-method-item p { color: var(--ab-ink-soft); margin: 0; }
.ab-method-note {
  margin-top: 26px;
  font-size: 0.9rem;
  color: var(--ab-muted);
}

.ab-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-top: 8px;
}
.ab-tile {
  text-align: left;
  padding: 26px 24px;
  border-radius: var(--ab-radius);
  background-color: var(--ab-card);
  border: 1px solid var(--ab-line);
}
.ab-tile strong {
  display: block;
  font-family: var(--ab-serif);
  font-size: 2.4rem;
  color: var(--ab-accent);
  line-height: 1;
  margin-bottom: 8px;
}
.ab-tile span { color: var(--ab-ink-soft); font-weight: 600; }
.ab-tile-note {
  margin-top: 18px;
  font-size: 0.86rem;
  color: var(--ab-muted);
}

.ab-cta-band {
  background-color: var(--ab-ink);
  color: var(--ab-paper);
  border-radius: var(--ab-radius);
  padding: clamp(40px, 6vw, 72px);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}
.ab-cta-band h2 { color: var(--ab-paper); margin-bottom: 14px; }
.ab-cta-band p { color: rgba(245, 243, 238, 0.82); margin-bottom: 0; }
.ab-cta-band-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ab-cta-band-actions .ab-contact-line {
  color: rgba(245, 243, 238, 0.82);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.ab-cta-band-actions .ab-contact-line a { color: var(--ab-paper); }

.ab-footer {
  background-color: var(--ab-paper-2);
  border-top: 1px solid var(--ab-line);
  padding: clamp(48px, 6vw, 72px) 0 30px;
}
.ab-footer-cols {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
}
.ab-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--ab-serif);
  font-size: 1.3rem;
  color: var(--ab-ink);
  margin-bottom: 16px;
}
.ab-footer p { color: var(--ab-ink-soft); max-width: 42ch; }
.ab-footer-contact {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 12px;
}
.ab-footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  color: var(--ab-ink-soft);
}
.ab-footer-contact i { color: var(--ab-accent); margin-top: 3px; }
.ab-footer-contact a { color: var(--ab-ink-soft); }
.ab-footer-contact a:hover { color: var(--ab-accent); }
.ab-footer-nav-title {
  font-family: var(--ab-serif);
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.ab-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px 24px;
}
.ab-footer-links a {
  color: var(--ab-ink-soft);
  font-weight: 600;
  font-size: 0.96rem;
}
.ab-footer-links a:hover { color: var(--ab-accent); }
.ab-footer-links button {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--ab-ink-soft);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}
.ab-footer-links button:hover { color: var(--ab-accent); }
.ab-footer-note {
  margin-top: 26px;
  font-size: 0.86rem;
  color: var(--ab-muted);
  max-width: none;
}
.ab-footer-bottom {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--ab-line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--ab-muted);
}

.ab-page-hero {
  background-color: var(--ab-paper-2);
  border-bottom: 1px solid var(--ab-line);
  padding: clamp(52px, 7vw, 92px) 0 clamp(44px, 6vw, 72px);
}
.ab-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.88rem;
  color: var(--ab-muted);
  margin-bottom: 20px;
  list-style: none;
  padding: 0;
}
.ab-breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.ab-breadcrumb a { color: var(--ab-muted); font-weight: 600; }
.ab-breadcrumb a:hover { color: var(--ab-accent); }
.ab-page-hero h1 { max-width: 18ch; }
.ab-page-hero .ab-lead { margin-top: 14px; }

.ab-prose {
  max-width: 760px;
}
.ab-prose h2 {
  margin-top: 1.8em;
  padding-top: 0.2em;
}
.ab-prose h3 { margin-top: 1.5em; }
.ab-prose ul, .ab-prose ol {
  padding-left: 1.3em;
  margin: 0 0 1.3em;
}
.ab-prose li { margin-bottom: 0.5em; }
.ab-prose .ab-callout {
  background-color: var(--ab-paper-2);
  border-left: 4px solid var(--ab-accent);
  border-radius: 0 var(--ab-radius-sm) var(--ab-radius-sm) 0;
  padding: 22px 26px;
  margin: 30px 0;
}
.ab-prose .ab-callout p:last-child { margin-bottom: 0; }
.ab-prose .ab-callout h3 {
  margin-top: 0;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.ab-prose .ab-callout h3 i { color: var(--ab-accent); }

.ab-checklist {
  list-style: none;
  padding: 0;
  margin: 22px 0;
  display: grid;
  gap: 12px;
}
.ab-checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background-color: var(--ab-card);
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius-sm);
  padding: 14px 18px;
}
.ab-checklist i {
  color: var(--ab-accent);
  font-size: 1.2rem;
  margin-top: 1px;
  flex-shrink: 0;
}

.ab-article-hero {
  aspect-ratio: 21 / 9;
  border-radius: var(--ab-radius);
  overflow: hidden;
  background-color: var(--ab-accent-soft);
  background-size: cover;
  background-position: center;
  margin: 0 0 clamp(28px, 4vw, 44px);
  box-shadow: var(--ab-shadow-soft);
}
.ab-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  color: var(--ab-muted);
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.ab-byline .ab-avatar {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--ab-accent);
  color: var(--ab-white);
  font-size: 0.95rem;
  font-family: var(--ab-serif);
}

.ab-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.ab-toc {
  position: sticky;
  top: 96px;
  background-color: var(--ab-card);
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  padding: 24px 22px;
}
.ab-toc h2 {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ab-muted);
  font-family: var(--ab-sans);
  font-weight: 700;
  margin-bottom: 14px;
}
.ab-toc ol {
  list-style: none;
  counter-reset: toc;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.ab-toc li { counter-increment: toc; }
.ab-toc a {
  display: flex;
  gap: 10px;
  color: var(--ab-ink-soft);
  font-weight: 600;
  font-size: 0.94rem;
}
.ab-toc a::before {
  content: counter(toc, decimal-leading-zero);
  color: var(--ab-accent);
  font-family: var(--ab-serif);
}
.ab-toc a:hover { color: var(--ab-accent); }

.ab-prevnext {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: clamp(40px, 6vw, 68px);
  padding-top: 34px;
  border-top: 1px solid var(--ab-line);
}
.ab-prevnext a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px;
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  background-color: var(--ab-card);
  transition: transform 0.3s var(--ab-ease), box-shadow 0.3s var(--ab-ease);
  color: var(--ab-ink);
}
.ab-prevnext a:hover { transform: translateY(-3px); box-shadow: var(--ab-shadow-soft); }
.ab-prevnext .ab-pn-label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ab-accent);
}
.ab-prevnext .ab-pn-title { font-family: var(--ab-serif); font-size: 1.08rem; }
.ab-prevnext a.ab-pn-next { text-align: right; align-items: flex-end; }

.ab-contact-map {
  position: relative;
  width: 100%;
  height: clamp(320px, 42vw, 480px);
  border-radius: var(--ab-radius);
  overflow: hidden;
  border: 1px solid var(--ab-line);
  box-shadow: var(--ab-shadow-soft);
  margin-bottom: 16px;
}
.ab-contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.ab-map-open {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.ab-contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}
.ab-contact-info {
  display: grid;
  gap: 18px;
}
.ab-contact-item {
  display: flex;
  gap: 15px;
  align-items: flex-start;
  padding: 20px 22px;
  background-color: var(--ab-card);
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
}
.ab-contact-item i {
  color: var(--ab-accent);
  font-size: 1.4rem;
  margin-top: 2px;
}
.ab-contact-item strong { display: block; margin-bottom: 3px; }
.ab-contact-item a { color: var(--ab-ink-soft); }
.ab-contact-item a:hover { color: var(--ab-accent); }
.ab-contact-item p { margin: 0; color: var(--ab-ink-soft); }

.ab-form-card {
  background-color: var(--ab-card);
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  padding: clamp(28px, 4vw, 40px);
  box-shadow: var(--ab-shadow-soft);
}
.ab-form-card h2 { font-size: 1.6rem; margin-bottom: 8px; }
.ab-form-card > p { color: var(--ab-ink-soft); margin-bottom: 24px; }
.ab-field { display: grid; gap: 8px; margin-bottom: 20px; }
.ab-field label { font-weight: 700; font-size: 0.95rem; }
.ab-field input,
.ab-field textarea {
  font-family: var(--ab-sans);
  font-size: 1rem;
  padding: 13px 16px;
  border: 1.5px solid var(--ab-line);
  border-radius: var(--ab-radius-sm);
  background-color: var(--ab-paper);
  color: var(--ab-ink);
  transition: border-color 0.25s var(--ab-ease);
  width: 100%;
}
.ab-field input:focus,
.ab-field textarea:focus {
  outline: none;
  border-color: var(--ab-accent);
}
.ab-field textarea { resize: vertical; min-height: 138px; }
.ab-field-error {
  color: var(--ab-accent-dark);
  font-size: 0.86rem;
  font-weight: 600;
  display: none;
}
.ab-field[data-invalid="true"] input,
.ab-field[data-invalid="true"] textarea { border-color: var(--ab-accent-dark); }
.ab-field[data-invalid="true"] .ab-field-error { display: block; }
.ab-consent {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin-bottom: 22px;
  font-size: 0.9rem;
  color: var(--ab-ink-soft);
}
.ab-consent input { width: 20px; height: 20px; margin-top: 2px; flex-shrink: 0; accent-color: var(--ab-accent); }

.ab-modal {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.ab-modal[data-open="true"] { display: flex; }
.ab-modal-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(22, 21, 26, 0.55);
  animation: ab-fade 0.3s var(--ab-ease);
}
.ab-modal-box {
  position: relative;
  background-color: var(--ab-card);
  border-radius: var(--ab-radius);
  padding: 40px 38px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  box-shadow: var(--ab-shadow);
  animation: ab-pop 0.35s var(--ab-ease);
}
.ab-modal-box .ab-modal-ico {
  display: inline-grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background-color: var(--ab-accent-soft);
  color: var(--ab-accent-dark);
  font-size: 1.9rem;
  margin-bottom: 18px;
}
.ab-modal-box h3 { font-size: 1.5rem; margin-bottom: 10px; }
.ab-modal-box p { color: var(--ab-ink-soft); margin-bottom: 24px; }
.ab-modal-close-x {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border: none;
  background: none;
  color: var(--ab-muted);
  font-size: 1.3rem;
  cursor: pointer;
  border-radius: 8px;
}
.ab-modal-close-x:hover { background-color: var(--ab-paper-2); color: var(--ab-ink); }

.ab-cookie {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  padding: 16px;
  display: none;
}
.ab-cookie[data-visible="true"] { display: block; }
/* While the mobile menu is open, move the cookie bar out of the click layer
   so it can never cover the in-flow menu. The menu expands the page (it is not
   an overlay), so page scrolling stays enabled to keep every item reachable. */
body.ab-nav-open .ab-cookie {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.ab-cookie-bar {
  max-width: var(--ab-maxw);
  margin: 0 auto;
  background-color: var(--ab-card);
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  box-shadow: var(--ab-shadow);
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
}
.ab-cookie-bar p { margin: 0; font-size: 0.94rem; color: var(--ab-ink-soft); }
.ab-cookie-bar p a { font-weight: 700; }
.ab-cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}
.ab-cookie-actions .ab-btn { min-height: 44px; padding: 10px 20px; font-size: 0.94rem; }
.ab-cookie-panel {
  max-width: var(--ab-maxw);
  margin: 12px auto 0;
  background-color: var(--ab-card);
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius);
  box-shadow: var(--ab-shadow);
  padding: 26px 28px;
  display: none;
}
.ab-cookie-panel[data-open="true"] { display: block; }
.ab-cookie-panel-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr auto;
  gap: 26px;
  align-items: start;
}
.ab-cookie-panel h2 { font-size: 1.4rem; margin-bottom: 10px; }
.ab-cookie-cat {
  border: 1px solid var(--ab-line);
  border-radius: var(--ab-radius-sm);
  padding: 16px 18px;
  margin-bottom: 14px;
}
.ab-cookie-cat:last-child { margin-bottom: 0; }
.ab-cookie-cat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.ab-cookie-cat-head strong { font-size: 1.02rem; }
.ab-cookie-cat-detail {
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--ab-ink-soft);
  display: none;
}
.ab-cookie-cat-detail[data-open="true"] { display: block; }
.ab-cookie-detail-toggle {
  background: none;
  border: 1px solid var(--ab-line);
  border-radius: 999px;
  padding: 5px 13px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ab-ink-soft);
  cursor: pointer;
  margin-top: 12px;
}
.ab-cookie-detail-toggle:hover { border-color: var(--ab-accent); color: var(--ab-accent); }
.ab-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ab-muted);
}
.ab-switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.ab-switch-track {
  width: 46px;
  height: 26px;
  border-radius: 999px;
  background-color: var(--ab-line);
  position: relative;
  transition: background-color 0.25s var(--ab-ease);
  flex-shrink: 0;
}
.ab-switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--ab-white);
  transition: transform 0.25s var(--ab-ease);
}
.ab-switch input:checked + .ab-switch-track { background-color: var(--ab-accent); }
.ab-switch input:checked + .ab-switch-track::after { transform: translateX(20px); }
.ab-switch input:disabled + .ab-switch-track { background-color: var(--ab-accent); opacity: 0.55; }
.ab-switch input:focus-visible + .ab-switch-track { outline: 2px solid var(--ab-accent-dark); outline-offset: 2px; }
.ab-cookie-panel-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ab-cookie-panel-actions .ab-btn { min-height: 44px; }

.ab-list-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 26px;
  padding: 28px 0;
  border-bottom: 1px solid var(--ab-line);
  align-items: center;
}
.ab-list-item:first-child { padding-top: 0; }
.ab-list-media {
  aspect-ratio: 16 / 10;
  border-radius: var(--ab-radius);
  background-color: var(--ab-accent-soft);
  background-size: cover;
  background-position: center;
}
.ab-list-body h2 { font-size: 1.5rem; margin-bottom: 8px; }
.ab-list-body h2 a { color: var(--ab-ink); }
.ab-list-body h2 a:hover { color: var(--ab-accent); }
.ab-list-meta {
  font-size: 0.85rem;
  color: var(--ab-muted);
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.ab-list-body p { color: var(--ab-ink-soft); margin-bottom: 12px; }

.ab-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ab-ease), transform 0.7s var(--ab-ease);
}
.ab-reveal.ab-in {
  opacity: 1;
  transform: translateY(0);
}

@keyframes ab-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes ab-pop {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 980px) {
  .ab-hero-grid, .ab-hero-inner { grid-template-columns: 1fr; }
  .ab-hero-media { order: -1; min-height: 260px; }
  .ab-hero-copy { padding: clamp(36px, 6vw, 60px) 0; max-width: none; }
  .ab-split { grid-template-columns: 1fr; }
  .ab-split--reverse .ab-split-media { order: 0; }
  .ab-pillars { grid-template-columns: 1fr; }
  .ab-pillar:nth-child(n) { grid-column: auto; }
  .ab-cta-band { grid-template-columns: 1fr; }
  .ab-article-layout { grid-template-columns: 1fr; }
  .ab-toc { position: static; margin-bottom: 30px; }
  .ab-contact-grid { grid-template-columns: 1fr; }
  .ab-cookie-panel-grid { grid-template-columns: 1fr; }
  .ab-footer-cols { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  body { font-size: 16px; }
  .ab-nav-center { display: none; }
  .ab-nav-end .ab-btn { display: none; }
  .ab-burger { display: inline-flex; }
  .ab-nav {
    grid-template-columns: 1fr auto;
    justify-content: space-between;
    align-items: center;
  }
  /* Open menu expands the header in-flow so items and the CTA stack
     cleanly full-width (prevents the CTA overflowing the header row). */
  .ab-nav[data-open="true"] {
    row-gap: 4px;
  }
  .ab-nav[data-open="true"] .ab-nav-center {
    display: block;
    grid-column: 1 / -1;
    margin-top: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--ab-line);
  }
  .ab-nav[data-open="true"] .ab-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .ab-nav[data-open="true"] .ab-nav-link { padding: 12px 14px; }
  .ab-nav[data-open="true"] .ab-dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    min-width: 0;
    padding: 4px 0 4px 14px;
    background: none;
  }
  .ab-nav[data-open="true"] .ab-nav-end {
    display: block;
    grid-column: 1 / -1;
    margin-top: 10px;
  }
  .ab-nav[data-open="true"] .ab-nav-end .ab-btn {
    display: inline-flex;
    width: 100%;
    min-height: 46px;
  }
  .ab-grid--articles { grid-template-columns: 1fr; }
  .ab-glossary { grid-template-columns: 1fr; }
  .ab-method { grid-template-columns: 1fr; }
  .ab-list-item { grid-template-columns: 1fr; gap: 16px; }
  .ab-list-media { max-width: 100%; }
  .ab-prevnext { grid-template-columns: 1fr; }
  .ab-cookie-bar { grid-template-columns: 1fr; }
  .ab-cookie-actions { justify-content: flex-start; }
  .ab-footer-links { grid-template-columns: 1fr; }
  .ab-cta-band-actions { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .ab-reveal { opacity: 1; transform: none; }
}

/* Pre-launch fix: hide leaked template waymark (unstyled decorative label; real content lives in .identity-canvas) */
.identity-shell.id-journey > .identity-waymark { display: none; }