.masco-book-guides-wrap {
    --guide-ink: #173323;
    --guide-ink-2: #1c231e;
    --guide-muted: #565f5a;
    --guide-fade: #8a9188;
    --guide-paper: #f4efe5;
    --guide-panel: #fffdf8;
    --guide-panel-warm: #f8f0dc;
    --guide-rule: rgba(25, 35, 29, .08);
    --guide-rule-strong: rgba(25, 35, 29, .14);
    --guide-green: #2a5b45;
    --guide-green-wash: #e7f1ea;
    --guide-green-line: #d7e6dd;
    --guide-gold: #d5a95d;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 36px 28px 72px;
    color: var(--guide-ink-2);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(244, 239, 229, 0.96)),
        var(--guide-paper);
    font-family: "Schibsted Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

/* The public library is a full-width landing page, not a narrow article. */
.masco-book-guides-directory {
    width: 100%;
    max-width: none;
}

.masco-book-guides-directory .masco-book-guides-hero {
    max-width: none;
}

.masco-book-guides-directory .masco-book-guides-grid {
    max-width: none;
}

body.masco-book-guides-library-page .footer-section {
    width: 100vw !important;
    max-width: 100vw !important;
    margin: 0 0 0 calc(50% - 50vw) !important;
}

.masco-book-guides-wrap *,
.masco-book-guides-wrap *::before,
.masco-book-guides-wrap *::after {
    box-sizing: border-box;
}

.masco-book-guides-wrap a {
    color: inherit;
}

.masco-book-guides-wrap :focus-visible {
    outline: 2px solid var(--guide-green);
    outline-offset: 3px;
}

.masco-book-guides-hero {
    position: relative;
    max-width: 760px;
    margin: 0 0 36px;
    padding: 36px 0 40px;
    overflow: hidden;
    border-bottom: 1px solid var(--guide-rule-strong);
    text-align: left;
}

.masco-book-guides-hero::before {
    position: absolute;
    z-index: 0;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, var(--guide-rule-strong) 1px, transparent 0);
    background-size: 26px 26px;
    content: "";
    opacity: .42;
    pointer-events: none;
    -webkit-mask-image: radial-gradient(70% 80% at 90% 10%, #000, transparent 70%);
    mask-image: radial-gradient(70% 80% at 90% 10%, #000, transparent 70%);
}

.masco-book-guides-hero > * {
    position: relative;
}

.masco-book-guides-eyebrow {
    display: block;
    margin: 0 0 12px;
    color: var(--guide-green);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .14em;
    line-height: 1.5;
    text-transform: uppercase;
}

.masco-book-guides-hero h1 {
    max-width: 18ch;
    margin: 0 0 14px;
    color: var(--guide-ink);
    font-family: Montserrat, "Helvetica Neue", Arial, sans-serif;
    font-size: clamp(32px, 5.2vw, 60px);
    font-weight: 700;
    letter-spacing: -.02em;
    line-height: 1.02;
    text-wrap: balance;
}

.masco-book-guides-hero > p {
    max-width: 62ch;
    margin: 0;
    color: var(--guide-muted);
    font-size: 17px;
    line-height: 1.62;
}

.masco-book-guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
    gap: 22px;
    max-width: 1160px;
    margin: 0;
}

.masco-book-guide-card,
.masco-book-guides-empty {
    padding: 28px;
    border: 1px solid var(--guide-rule-strong);
    background: var(--guide-panel);
    box-shadow: 0 8px 24px rgba(23, 51, 35, .045);
}

.masco-book-guide-card {
    display: flex;
    min-height: 250px;
    flex-direction: column;
    align-items: flex-start;
}

.masco-book-guide-card .masco-book-guides-eyebrow {
    margin-bottom: 12px;
}

.masco-book-guide-card h2,
.masco-book-guides-empty h1,
.masco-book-guides-empty h2 {
    margin: 0 0 12px;
    color: var(--guide-ink);
    font-family: Montserrat, "Helvetica Neue", Arial, sans-serif;
    font-size: clamp(22px, 2.5vw, 28px);
    font-weight: 700;
    letter-spacing: -.015em;
    line-height: 1.18;
    text-wrap: balance;
}

.masco-book-guide-card > p {
    margin: 0 0 24px;
    color: var(--guide-muted);
}

.masco-book-guides-button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    margin-top: auto;
    padding: 12px 22px;
    border: 1px solid var(--guide-ink);
    background: var(--guide-ink);
    color: #fff !important;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .08em;
    line-height: 1.3;
    text-decoration: none !important;
    text-transform: uppercase;
    transition: background .15s, border-color .15s, color .15s;
}

.masco-book-guides-button:hover,
.masco-book-guides-button:focus-visible {
    border-color: var(--guide-green);
    background: var(--guide-green);
    color: #fff !important;
}

.masco-book-guides-button.secondary {
    border-color: var(--guide-rule-strong);
    background: var(--guide-panel);
    color: var(--guide-ink) !important;
}

.masco-book-guides-button.secondary:hover,
.masco-book-guides-button.secondary:focus-visible {
    border-color: var(--guide-green);
    background: var(--guide-green-wash);
}

.masco-book-guides-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 0 0 24px;
    padding: 13px 16px;
    border-bottom: 1px solid var(--guide-rule-strong);
    background: var(--guide-panel-warm);
    color: var(--guide-ink-2);
    font-size: 12px;
}

.masco-book-guides-breadcrumb a {
    border-bottom: 1px solid transparent;
    color: var(--guide-ink-2);
    text-decoration: none;
}

.masco-book-guides-breadcrumb a:hover {
    border-bottom-color: var(--guide-green-line);
    color: var(--guide-green);
}

.masco-book-guides-breadcrumb > span[aria-current] {
    color: var(--guide-ink);
    font-weight: 600;
}

.masco-book-guide-heading {
    margin-bottom: 20px;
}

.masco-book-guide-heading .masco-book-guides-eyebrow {
    margin-bottom: 6px;
}

.masco-book-guide-heading h1 {
    margin: 0 0 4px;
    color: var(--guide-ink);
    font-family: Montserrat, "Helvetica Neue", Arial, sans-serif;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    letter-spacing: -.02em;
    line-height: 1.08;
    text-wrap: balance;
}

.masco-book-guide-heading > p:last-child {
    margin: 0;
    color: var(--guide-muted);
    font-size: 14px;
}

.masco-book-guide-layout {
    display: grid;
    grid-template-columns: minmax(250px, 320px) minmax(0, 1fr);
    align-items: start;
    gap: 24px;
    min-height: calc(100vh - 180px);
}

.masco-book-guide-sidebar {
    position: sticky;
    top: 20px;
    display: flex;
    max-height: calc(100vh - 70px);
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgba(18, 28, 24, .12);
    background:
        radial-gradient(140% 70% at 100% 0%, rgba(42, 91, 69, .14), transparent 58%),
        linear-gradient(180deg, #112a22 0%, #0d2019 48%, #0a1713 100%);
    color: #dfeae4;
    box-shadow: 0 14px 30px rgba(14, 26, 20, .12);
}

.masco-book-guide-sidebar-heading {
    padding: 18px 18px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.masco-book-guide-sidebar-heading .masco-book-guides-eyebrow {
    margin-bottom: 8px;
    font-size: 10px;
    color: #d7b464;
    letter-spacing: .18em;
}

.masco-book-guide-sidebar-heading h2 {
    margin: 0 0 6px;
    color: #f4f7f5;
    font-family: Montserrat, "Helvetica Neue", Arial, sans-serif;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.3;
}

.masco-book-guide-sidebar-heading > p:last-child {
    margin: 0;
    color: rgba(239, 245, 241, .7);
    font-size: 12px;
}

.masco-book-guide-search {
    display: block;
    padding: 14px 14px 10px;
}

.masco-book-guide-search .screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    clip-path: inset(50%);
}

.masco-book-guide-search input {
    width: 100%;
    min-height: 42px;
    padding: 9px 11px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 9px;
    background: rgba(255, 255, 255, .06);
    color: #edf5f1;
    font: inherit;
    font-size: 13px;
}

.masco-book-guide-search input::placeholder {
    color: rgba(221, 234, 230, .56);
}

.masco-book-guide-search input:focus {
    border-color: rgba(213, 169, 93, .8);
    outline: 2px solid rgba(213, 169, 93, .35);
    outline-offset: 1px;
    background: rgba(255, 255, 255, .08);
}

.masco-book-guide-contents {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding: 0 10px 16px;
    scrollbar-color: rgba(255,255,255,.25) transparent;
    scrollbar-width: thin;
}

.masco-book-guide-contents ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

.masco-book-guide-contents li[hidden],
.masco-book-guide-no-results[hidden] {
    display: none;
}

.masco-book-guide-contents a {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 9px 8px;
    border-left: 2px solid transparent;
    color: rgba(232, 239, 235, .86);
    font-size: 12px;
    line-height: 1.4;
    text-decoration: none;
    border-radius: 0 7px 7px 0;
}

.masco-book-guide-contents a:hover {
    background: rgba(255, 255, 255, .06);
    color: #fff;
}

.masco-book-guide-contents a[aria-current="page"] {
    border-left-color: var(--guide-gold);
    background: rgba(213, 169, 93, .18);
    color: #fff;
    font-weight: 600;
}

.masco-book-guide-content-number {
    flex: 0 0 24px;
    color: rgba(223, 234, 228, .62);
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.masco-book-guide-content-title {
    min-width: 0;
}

.masco-book-guide-no-results {
    margin: 8px;
    color: rgba(231, 239, 235, .8);
    font-size: 12px;
}

.masco-book-guide-main {
    min-width: 0;
    border: 1px solid var(--guide-rule-strong);
    background: rgba(255, 255, 255, .22);
    padding: 18px 18px 0;
}

.masco-book-guide-frame {
    display: block;
    width: 100%;
    min-height: 75vh;
    vertical-align: top;
    border: 1px solid var(--guide-rule-strong);
    background: var(--guide-panel);
    box-shadow: 0 16px 28px rgba(19, 33, 27, .06);
}

.masco-book-guide-pager {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 18px;
    padding: 18px 0 2px;
    border-top: 1px solid var(--guide-rule-strong);
}

.masco-book-guide-pager a {
    max-width: 48%;
    text-align: center;
}

.masco-book-guides-empty {
    max-width: 760px;
    margin: 60px auto;
    text-align: center;
}

@media (max-width: 900px) {
    .masco-book-guides-wrap {
        width: 100%;
        padding: 28px 20px 48px;
    }

    .masco-book-guides-hero {
        padding: 24px 0 28px;
    }

    .masco-book-guide-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 20px;
    }

    .masco-book-guide-sidebar {
        position: static;
        max-height: 420px;
    }

    .masco-book-guide-contents {
        max-height: 230px;
    }

    .masco-book-guide-main {
        padding: 14px 14px 0;
    }
}

@media (max-width: 600px) {
    .masco-book-guides-wrap {
        width: 100%;
        padding: 24px 18px 48px;
    }

    .masco-book-guides-grid {
        grid-template-columns: 1fr;
    }

    .masco-book-guide-card {
        min-height: 0;
    }

    .masco-book-guide-pager {
        align-items: stretch;
        flex-direction: column;
    }

    .masco-book-guide-pager a {
        max-width: 100%;
        text-align: center;
    }
}


/* ============================================================
   BOOK GUIDES READER — SHARED & THEME CSS
   Supports both:
   1. The Event Fieldbook (Teal & Navy theme)
   2. Event Networking Guide (Crimson & Navy theme: .ef-theme-networking)
   ============================================================ */

:root {
  --bm-guide-header-offset: var(--bm-site-header-height, 72px);
}

body.admin-bar {
  --bm-guide-header-offset: calc(var(--bm-site-header-height, 72px) + 32px);
}

@media (max-width: 782px) {
  body.admin-bar {
    --bm-guide-header-offset: calc(var(--bm-site-header-height, 72px) + 46px);
  }
}

#efBook * {
  box-sizing: border-box;
}

#efBook {
  --ink: #1b2a38;
  --paper: #faf5e9;
  --paper-2: #fffdf6;
  --navy-1: #08192a;
  --navy-2: #04101a;
  --teal: #0a7a72;
  --gold: #d9a441;
  --muted: #6d7d8b;
  --line: #e6dbc4;
  --sb-w: 328px;

  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: var(--sb-w) minmax(0, 1fr);
  width: 100%;
  min-height: calc(100vh - var(--bm-guide-header-offset));
  background: var(--navy-2);
  color: var(--ink);
  font-family: Georgia, 'Iowan Old Style', 'Times New Roman', serif;
}

/* Theme: Event Networking Guide */
#efBook.ef-theme-networking {
  --ink: #1b1a24;
  --paper: #faf5e9;
  --paper-2: #fffdf6;
  --navy-1: #16213e;
  --navy-2: #0b1225;
  --accent: #c8102e;
  --accent-b: #e94560;
  --gold: #d9a441;
  --muted: #6d7d8b;
  --line: #e6dbc4;
  --sb-w: 334px;
  grid-template-columns: var(--sb-w) minmax(0, 1fr);
}

/* ================= SIDEBAR ================= */
#efBook .ef-sidebar {
  position: sticky;
  top: var(--bm-guide-header-offset);
  height: calc(100vh - var(--bm-guide-header-offset));
  align-self: start;
  z-index: 40;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  border-right: 1px solid rgba(255, 255, 255, .07);
  background:
    radial-gradient(120% 60% at 100% 0%, rgba(10, 122, 114, .22) 0%, transparent 60%),
    linear-gradient(180deg, #0a1f31 0%, #061524 55%, #04101a 100%);
  color: #cfe0e8;
}

#efBook.ef-theme-networking .ef-sidebar {
  background:
    radial-gradient(130% 65% at 100% 0%, rgba(200, 16, 46, .20) 0%, transparent 58%),
    linear-gradient(180deg, #16213e 0%, #0e1630 55%, #080d1c 100%);
}

#efBook .ef-sidebar::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .012) 0 1px, transparent 1px 4px);
}

#efBook .ef-sb-head {
  padding: 26px 24px 14px;
  position: relative;
  z-index: 2;
}

#efBook .ef-brand {
  font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

#efBook .ef-brand a {
  color: inherit;
  text-decoration: none;
  transition: color .15s ease, opacity .15s ease;
}

#efBook .ef-brand a:hover {
  color: #fff;
  opacity: .95;
}

#efBook .ef-sb-head h1 {
  margin: 0 0 10px;
  font-size: 23px;
  line-height: 1.08;
  color: #fff;
  letter-spacing: -.01em;
  font-weight: 700;
}

#efBook .ef-sb-head p {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.55;
  color: #7a97b0;
  font-family: ui-sans-serif, system-ui, sans-serif;
}

#efBook.ef-theme-networking .ef-sb-head p {
  color: #7a97b0;
}

#efBook .ef-search {
  position: relative;
  z-index: 2;
  padding: 0 16px 14px;
  display: block;
}

#efBook .ef-search .screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

#efBook .ef-search input {
  width: 100%;
  padding: 10px 12px 10px 34px;
  background: rgba(255, 255, 255, .055);
  border: 1px solid rgba(255, 255, 255, .11);
  border-radius: 9px;
  color: #e6f2f6;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 12.5px;
  outline: none;
  transition: border-color .2s, background .2s;
}

#efBook .ef-search input::placeholder {
  color: #5c7a8f;
}

#efBook .ef-search input:focus {
  border-color: rgba(217, 164, 65, .6);
  background: rgba(255, 255, 255, .09);
}

#efBook.ef-theme-networking .ef-search input:focus {
  border-color: rgba(233, 69, 96, .6);
}

#efBook .ef-search::before {
  content: '⚲';
  position: absolute;
  left: 27px;
  top: 50%;
  transform: translateY(-58%);
  font-size: 15px;
  color: #5c7a8f;
  pointer-events: none;
}

#efBook .ef-nav {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 4px 12px 26px;
  position: relative;
  z-index: 2;
  scrollbar-width: thin;
  scrollbar-color: #1c3a4d transparent;
}

#efBook.ef-theme-networking .ef-nav {
  scrollbar-color: #1c2a44 transparent;
}

#efBook .ef-nav::-webkit-scrollbar {
  width: 6px;
}

#efBook .ef-nav::-webkit-scrollbar-thumb {
  background: #1c3a4d;
  border-radius: 3px;
}

#efBook.ef-theme-networking .ef-nav::-webkit-scrollbar-thumb {
  background: #1c2a44;
}

#efBook .ef-nav::-webkit-scrollbar-track {
  background: transparent;
}

#efBook .ef-group {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 18px 12px 8px;
  border-top: 1px solid rgba(255, 255, 255, .06);
  margin-top: 6px;
}

#efBook .ef-group:first-child {
  border-top: 0;
  margin-top: 0;
  padding-top: 8px;
}

#efBook .ef-item {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  width: 100%;
  padding: 8px 11px;
  margin: 1px 0;
  background: transparent;
  border: 0;
  border-left: 2px solid transparent;
  border-radius: 0 7px 7px 0;
  text-align: left;
  cursor: pointer;
  text-decoration: none;
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-size: 12.4px;
  line-height: 1.34;
  color: #9bb6c6;
  transition: background .16s ease, color .16s ease, border-color .16s ease;
}

#efBook .ef-item:hover {
  background: rgba(255, 255, 255, .06);
  color: #eaf6fa;
}

#efBook .ef-item .ef-num {
  flex: none;
  width: 24px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .03em;
  color: #4f7a8c;
  padding-top: 1px;
  font-variant-numeric: tabular-nums;
}

#efBook .ef-item .ef-txt {
  flex: 1;
  min-width: 0;
}

#efBook .ef-item.is-active {
  background: rgba(10, 122, 114, .26);
  border-left-color: var(--gold);
  color: #fff;
  font-weight: 600;
}

#efBook .ef-item.is-active .ef-num {
  color: var(--gold);
}

#efBook.ef-theme-networking .ef-item.is-active {
  background: rgba(233, 69, 96, .22);
  border-left-color: var(--gold);
  color: #fff;
  font-weight: 600;
}

#efBook.ef-theme-networking .ef-item.is-active .ef-num {
  color: var(--gold);
}

#efBook .ef-item[hidden] {
  display: none !important;
}

#efBook .ef-sb-foot {
  position: relative;
  z-index: 2;
  padding: 12px 20px 16px;
  border-top: 1px solid rgba(255, 255, 255, .07);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: .09em;
  color: #4f7a8c;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

#efBook .ef-empty {
  padding: 26px 14px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  color: #5c7a8f;
  text-align: center;
  line-height: 1.6;
}

#efBook .ef-empty[hidden] {
  display: none !important;
}

/* ================= READER ================= */
#efBook .ef-reader {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100%;
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 18% 8%, rgba(255, 255, 255, .92), transparent 42%),
    radial-gradient(circle at 88% 96%, rgba(222, 207, 178, .42), transparent 46%);
  position: relative;
}

#efBook .ef-reader::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 26px;
  pointer-events: none;
  z-index: 2;
  background: linear-gradient(90deg, rgba(90, 70, 35, .14), transparent);
}

#efBook .ef-rhead {
  position: sticky;
  top: var(--bm-guide-header-offset);
  z-index: 30;
  flex: none;
  padding: 14px 40px 0;
  background: rgba(250, 245, 233, .96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

#efBook .ef-rhead-in {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 12px;
}

#efBook .ef-menu {
  display: none;
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: #fffdf6;
  color: var(--navy-1);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
}

#efBook .ef-crumbs {
  flex: 1;
  min-width: 0;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #a3906a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#efBook .ef-rpos {
  flex: none;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: #9b8f76;
  font-variant-numeric: tabular-nums;
}

#efBook .ef-rbar {
  height: 2px;
  background: #e9dfc9;
  margin: 0 -40px;
}

#efBook .ef-rbar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--teal), var(--gold));
  transition: width .45s cubic-bezier(.2, .8, .2, 1);
}

#efBook.ef-theme-networking .ef-rbar span {
  background: linear-gradient(90deg, var(--accent-b), var(--gold));
}

#efBook .ef-rbody {
  flex: 1;
  min-height: 0;
  padding: 46px 40px 70px;
  display: flex;
  justify-content: center;
}

#efBook .ef-sheet {
  width: 100%;
  max-width: 780px;
}

/* ================= CONTENT TYPOGRAPHY & COMPONENTS ================= */
#efBook .ef-content {
  font-family: Georgia, 'Iowan Old Style', 'Times New Roman', serif;
  color: #22323f;
  line-height: 1.6;
}

#efBook .ef-content h2,
#efBook .ef-title {
  font-size: clamp(26px, 2.8vw, 34px);
  line-height: 1.1;
  margin: 0 0 12px;
  color: var(--navy-1);
  letter-spacing: -.018em;
  font-weight: 700;
}

#efBook .ef-content h3 {
  font-size: 15px;
  margin: 18px 0 8px;
  color: #0f3460;
}

#efBook .ef-content h4 {
  font-size: 13.5px;
  margin: 14px 0 6px;
  color: #0f3460;
}

#efBook .ef-content p {
  font-size: 15.5px;
  line-height: 1.7;
  margin: 0 0 12px;
}

#efBook .ef-content ul,
#efBook .ef-content ol {
  margin: 0 0 12px;
  padding-left: 20px;
  font-size: 14.8px;
  line-height: 1.65;
}

#efBook .ef-content li {
  margin-bottom: 5px;
}

#efBook .ef-content strong {
  color: var(--navy-1);
}

/* Kicker */
#efBook .ef-content .kicker,
#efBook .ef-kicker {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 9px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent, #0a7a72);
  font-weight: 800;
  margin-bottom: 5px;
}

#efBook.ef-theme-networking .ef-content .kicker,
#efBook.ef-theme-networking .ef-kicker {
  color: var(--accent);
}

/* Chapter Head */
#efBook .ef-content .chap-head {
  background: var(--navy-1);
  color: #fff;
  padding: 14px 18px;
  border-radius: 9px;
  margin-bottom: 18px;
  overflow: hidden;
}

#efBook .ef-content .chap-head .n {
  float: left;
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-b, #d9a441);
  width: 46px;
  line-height: 1;
}

#efBook .ef-content .chap-head .t {
  margin-left: 46px;
}

#efBook .ef-content .chap-head h2 {
  color: #fff;
  font-size: 19px;
  margin: 0;
  font-weight: 700;
}

#efBook .ef-content .chap-head .q {
  color: #b9c4de;
  font-size: 10.5px;
  margin-top: 3px;
}

/* Callout Boxes */
#efBook .ef-content .principle {
  background: var(--navy-1);
  color: #fff;
  border-radius: 9px;
  padding: 14px 18px;
  margin: 16px 0;
}

#efBook .ef-content .principle strong {
  color: #fff;
}

#efBook .ef-content .principle .l {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 9px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-b, #d9a441);
  font-weight: 800;
  display: block;
  margin-bottom: 4px;
}

#efBook .ef-content .note {
  background: #eef2f7;
  border-left: 4px solid #0f3460;
  padding: 12px 16px;
  margin: 16px 0;
  border-radius: 0 7px 7px 0;
}

#efBook .ef-content .note .l {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #0f3460;
  font-weight: 800;
  display: block;
  margin-bottom: 3px;
}

#efBook .ef-content .warn {
  background: #fff1f3;
  border-left: 4px solid var(--accent-b, #c8102e);
  padding: 12px 16px;
  margin: 16px 0;
  border-radius: 0 7px 7px 0;
}

#efBook .ef-content .warn .l {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-b, #c8102e);
  font-weight: 800;
  display: block;
  margin-bottom: 3px;
}

#efBook .ef-content .formula {
  background: #f4f6fb;
  border: 1px solid #d1d9e6;
  border-radius: 6px;
  padding: 12px 16px;
  margin: 12px 0;
  font-family: 'DejaVu Sans Mono', monospace;
  font-size: 12px;
}

#efBook .ef-content .example {
  border: 1px dashed #9aa6c0;
  border-radius: 9px;
  padding: 12px 16px;
  margin: 14px 0;
  background: #fcfcfe;
}

#efBook .ef-content .example .l {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #7a8499;
  font-weight: 800;
  display: block;
  margin-bottom: 4px;
}

/* Two columns comparison */
#efBook .ef-content .cols2 {
  display: flex;
  gap: 16px;
  margin: 12px 0;
}

#efBook .ef-content .cols2 > div {
  flex: 1;
}

#efBook .ef-content .good,
#efBook .ef-content .bad {
  border-radius: 9px;
  padding: 12px 16px;
}

#efBook .ef-content .good {
  background: #eaf6f3;
  border-top: 3px solid #1b998b;
}

#efBook .ef-content .bad {
  background: #fff1f3;
  border-top: 3px solid var(--accent-b, #c8102e);
}

#efBook .ef-content .good h4,
#efBook .ef-content .bad h4 {
  margin-top: 0;
}

#efBook .ef-content .good ul,
#efBook .ef-content .bad ul {
  margin-bottom: 0;
}

/* Tables */
#efBook .ef-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 18px;
  font-size: 13.5px;
}

#efBook .ef-content thead {
  display: table-header-group;
}

#efBook .ef-content th {
  background: var(--navy-1);
  color: #fff;
  text-align: left;
  padding: 8px 10px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 10.5px;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-weight: 600;
}

#efBook .ef-content td {
  padding: 9px 10px;
  border-bottom: 1px solid #d9dfeb;
  vertical-align: top;
  line-height: 1.5;
}

#efBook .ef-content tbody tr:nth-child(even) td {
  background: #f7f8fc;
}

#efBook .ef-content td.k {
  font-weight: 700;
  color: var(--navy-1);
}

#efBook .ef-content .tcap {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 10px;
  color: #7a8499;
  margin: -4px 0 14px;
}

/* Checklists & Figures */
#efBook .ef-content ul.chk {
  list-style: none;
  padding-left: 0;
}

#efBook .ef-content ul.chk li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 7px;
}

#efBook .ef-content ul.chk li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--accent-b, #d9a441);
  border-radius: 3px;
}

#efBook .ef-content .yn {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--navy-1);
  border-radius: 3px;
  vertical-align: -1px;
}

#efBook .ef-content figure {
  margin: 16px 0;
}

#efBook .ef-content figure svg {
  width: 100%;
  height: auto;
  display: block;
}

#efBook .ef-content figcaption {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 10px;
  color: #7a8499;
  text-align: center;
  margin-top: 4px;
}

#efBook .ef-content .spot {
  float: right;
  width: 260px;
  margin: 0 0 8px 16px;
}

#efBook .ef-content .spot svg {
  width: 100%;
  height: auto;
}

/* Chips & Grid5 */
#efBook .ef-content .chips {
  margin: 10px 0 16px;
}

#efBook .ef-content .chips span {
  display: inline-block;
  margin: 0 5px 5px 0;
  background: #eef2f7;
  border: 1px solid #d1d9e6;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12.5px;
  color: var(--navy-1);
  font-family: ui-sans-serif, system-ui, sans-serif;
}

#efBook .ef-content .grid5 {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

#efBook .ef-content .grid5 > div {
  width: 31.8%;
  background: #f4f6fb;
  border-top: 3px solid var(--accent-b, #d9a441);
  padding: 10px 12px;
  border-radius: 4px;
  font-size: 12.5px;
}

#efBook .ef-content .grid5 b {
  display: block;
  color: var(--navy-1);
  font-size: 13.5px;
  margin-bottom: 3px;
}

/* Worksheets */
#efBook .ef-content .ws-head {
  background: linear-gradient(135deg, var(--accent-b, #0a7a72), var(--accent, #08192a));
  color: #fff;
  padding: 18px 24px;
  border-radius: 11px 11px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  box-shadow: 0 12px 30px -18px rgba(200, 16, 46, .5);
}

#efBook .ef-content .ws-head h2 {
  color: #fff;
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.15;
}

#efBook .ef-content .ws-head span {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 9.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: .82;
  flex: none;
}

#efBook .ef-content .ws-meta {
  border: 1px solid var(--line);
  border-top: 0;
  padding: 12px 24px;
  display: flex;
  gap: 26px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 11px;
  color: var(--muted);
  background: var(--paper-2);
}

#efBook .ef-content .ws-meta div {
  flex: 1;
  border-bottom: 1px dashed #b8b0a0;
  padding-bottom: 6px;
}

#efBook .ef-content .ws .intro {
  font-size: 14px;
  color: var(--muted);
  font-style: italic;
  margin: 18px 0 14px;
}

#efBook .ef-content table.blank td {
  height: 28px;
  background: #fff !important;
}

#efBook .ef-content table.blank td.lab {
  background: #f3ecdc !important;
  font-weight: 600;
  color: var(--navy-1);
  width: 32%;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
}

#efBook .ef-content table.blank.tall td {
  height: 42px;
}

#efBook .ef-content table.blank.grid th {
  background: var(--navy-1);
  color: #fff;
  padding: 8px 10px;
  text-align: left;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

#efBook .ef-content table.blank.grid td {
  height: 30px;
}

#efBook .ef-content table.blank.grid td.lab {
  background: #fff !important;
  font-weight: 600;
}

#efBook .ef-content .q-lines .q {
  font-weight: 700;
  color: var(--navy-1);
  font-size: 13.5px;
  margin-top: 8px;
}

#efBook .ef-content .q-lines .ln {
  border-bottom: 1px solid #9aa6c0;
  height: 22px;
}

#efBook .ef-content .lines div {
  border-bottom: 1px solid #9aa6c0;
  height: 24px;
}

#efBook .ef-content .lines div:first-child {
  border-top: 1px solid #9aa6c0;
}

/* FAQ, Small & Tracks */
#efBook .ef-content .faq h4 {
  margin: 14px 0 4px;
  font-size: 14.5px;
  color: var(--navy-1);
}

#efBook .ef-content .faq p {
  font-size: 14px;
  margin-bottom: 8px;
}

#efBook .ef-content .small {
  font-size: 12px;
  color: #5a6379;
}

#efBook .ef-content .sources li {
  font-size: 13px;
  margin-bottom: 4px;
}

#efBook .ef-content .tracks {
  display: flex;
  gap: 8px;
  margin: 12px 0 16px;
}

#efBook .ef-content .tracks > div {
  flex: 1;
  background: #f4f6fb;
  border-top: 3px solid #0f3460;
  padding: 8px 10px;
  font-size: 12px;
  border-radius: 4px;
}

#efBook .ef-content .tracks > div:nth-child(2) { border-top-color: #5d6fa3; }
#efBook .ef-content .tracks > div:nth-child(3) { border-top-color: #c0446a; }
#efBook .ef-content .tracks > div:nth-child(4) { border-top-color: var(--accent-b, #e94560); }

#efBook .ef-content .tracks b {
  display: block;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--navy-1);
  margin-bottom: 3px;
}

#efBook .ef-content .tracks-title {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-b, #c8102e);
  font-weight: 800;
  margin: 14px 0 -4px;
}

/* Fieldbook Components */
#efBook .ef-chapter {
  width: 100%;
  max-width: 730px;
  margin: 0 auto;
}

#efBook .ef-deck {
  font-style: italic;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.42;
  margin: 0 0 24px;
  max-width: 610px;
}

#efBook .ef-rule {
  width: 52px;
  height: 2px;
  background: var(--gold);
  border-radius: 1px;
  margin: 0 0 26px;
  opacity: .85;
}

#efBook .ef-essay p {
  font-size: 16.5px;
  line-height: 1.74;
  margin: 0 0 16px;
  color: #22323f;
}

#efBook .ef-essay > p:first-of-type::first-letter {
  float: left;
  font-size: 3.2em;
  line-height: .84;
  padding: 8px 11px 0 0;
  color: var(--teal, #0a7a72);
  font-weight: 700;
}

#efBook .ef-doit {
  background: #eef7f4;
  border-left: 3px solid var(--teal, #0a7a72);
  padding: 19px 23px;
  border-radius: 0 9px 9px 0;
  margin: 28px 0 22px;
}

#efBook .ef-doit h3 {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--teal, #0a7a72);
  margin: 0 0 13px;
}

#efBook .ef-doit ol {
  margin: 0;
  padding-left: 20px;
  font-size: 14.8px;
  line-height: 1.62;
  color: #233643;
}

#efBook .ef-doit li {
  margin-bottom: 8px;
}

#efBook .ef-doit li:last-child {
  margin-bottom: 0;
}

#efBook .ef-doit.is-alt {
  background: #fdf6e8;
  border-left-color: #c9922c;
}

#efBook .ef-doit.is-alt h3 {
  color: #a97a15;
}

#efBook .ef-close {
  font-size: 13.5px;
  line-height: 1.6;
  font-style: italic;
  color: #8d8168;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin: 24px 0 0;
}

/* ================= PAGER ================= */
#efBook .ef-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

#efBook .ef-pg {
  display: block;
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 11px;
  padding: 14px 17px;
  cursor: pointer;
  text-align: left;
  text-decoration: none;
  font-family: inherit;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

#efBook .ef-pg:hover:not(:disabled) {
  border-color: var(--accent, #0a7a72);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px -14px rgba(200, 16, 46, .5);
}

#efBook .ef-pg span {
  display: block;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent, #a97a15);
  margin-bottom: 7px;
}

#efBook .ef-pg strong {
  display: block;
  font-size: 13.6px;
  font-weight: 600;
  color: var(--navy-1);
  line-height: 1.32;
}

#efBook .ef-pg.next {
  text-align: right;
}

#efBook .ef-pg:disabled {
  opacity: .34;
  cursor: default;
  box-shadow: none;
}

/* Animation */
@keyframes efIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

#efBook .ef-sheet.ef-enter {
  animation: efIn .4s cubic-bezier(.2, .8, .2, 1) both;
}

/* ================= MOBILE DRAWER & RESPONSIVE ================= */
#efBook .ef-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 35;
  background: rgba(3, 6, 16, .65);
  backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity .28s ease;
}

@media (max-width: 900px) {
  #efBook {
    grid-template-columns: 1fr;
  }

  #efBook .ef-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 86vw;
    max-width: 358px;
    height: 100%;
    transform: translateX(-102%);
    transition: transform .36s cubic-bezier(.3, .9, .25, 1);
    box-shadow: 26px 0 60px -20px rgba(0, 0, 0, .9);
    z-index: 99999;
  }

  #efBook.is-nav-open .ef-sidebar {
    transform: translateX(0);
  }

  #efBook.is-nav-open .ef-backdrop {
    display: block;
    opacity: 1;
  }

  #efBook .ef-menu {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  #efBook .ef-rhead {
    padding: 12px 20px 0;
  }

  #efBook .ef-rbar {
    margin: 0 -20px;
  }

  #efBook .ef-rbody {
    padding: 32px 22px 60px;
  }

  #efBook .ef-reader::before {
    display: none;
  }

  #efBook .ef-pager {
    grid-template-columns: 1fr;
  }

  #efBook .ef-pg.next {
    text-align: left;
  }
}

@media (max-width: 520px) {
  #efBook .ef-rbody {
    padding: 28px 18px 48px;
  }
}

/* Keep imported guide chapters styled when their content is edited in Elementor */
#efBook .masco-book-guide-elementor-content,
body.masco-book-guide-elementor-preview .elementor-widget-text-editor {
  color: #1b2a38;
  font-family: Georgia, 'Iowan Old Style', 'Times New Roman', serif;
  line-height: 1.6;
}

#efBook .masco-book-guide-elementor-content .ef-chapter,
body.masco-book-guide-elementor-preview .ef-chapter {
  width: 100%;
  max-width: 730px;
  margin: 0 auto;
}

#efBook .masco-book-guide-elementor-content .ef-kicker,
body.masco-book-guide-elementor-preview .ef-kicker {
  margin: 0 0 11px;
  color: #0a7a72;
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
}

#efBook .masco-book-guide-elementor-content .ef-title,
#efBook .masco-book-guide-elementor-content h2,
body.masco-book-guide-elementor-preview .ef-title,
body.masco-book-guide-elementor-preview .elementor-widget-text-editor h2 {
  margin: 0 0 13px;
  color: #0b1f33;
  font-family: Georgia, 'Iowan Old Style', 'Times New Roman', serif;
  font-size: clamp(27px, 2.9vw, 37px);
  font-weight: 700;
  line-height: 1.07;
}

#efBook .masco-book-guide-elementor-content .ef-deck,
#efBook .masco-book-guide-elementor-content .deck,
body.masco-book-guide-elementor-preview .ef-deck,
body.masco-book-guide-elementor-preview .deck {
  max-width: 610px;
  margin: 0 0 24px;
  color: #6d7d8b;
  font-size: 17px;
  font-style: italic;
  line-height: 1.42;
}

#efBook .masco-book-guide-elementor-content .ef-rule,
body.masco-book-guide-elementor-preview .ef-rule {
  width: 52px;
  height: 2px;
  margin: 0 0 26px;
  background: #d9a441;
}

#efBook .masco-book-guide-elementor-content .ef-essay p,
body.masco-book-guide-elementor-preview .ef-essay p,
#efBook .masco-book-guide-elementor-content p:not(.deck):not(.ef-deck):not(.closing):not(.ef-close),
body.masco-book-guide-elementor-preview .elementor-widget-text-editor p:not(.deck):not(.ef-deck):not(.closing):not(.ef-close) {
  margin: 0 0 16px;
  color: #22323f;
  font-size: 16.5px;
  line-height: 1.74;
}

#efBook .masco-book-guide-elementor-content .ef-doit,
body.masco-book-guide-elementor-preview .ef-doit {
  margin: 28px 0 22px;
  padding: 19px 23px;
  border-left: 3px solid #0a7a72;
  border-radius: 0 9px 9px 0;
  background: #eef7f4;
}

#efBook .masco-book-guide-elementor-content h3,
body.masco-book-guide-elementor-preview .elementor-widget-text-editor h3 {
  margin: 0 0 13px;
  color: #0a7a72;
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .17em;
  text-transform: uppercase;
}

#efBook .masco-book-guide-elementor-content .ef-doit ol,
#efBook .masco-book-guide-elementor-content h3 + ul,
#efBook .masco-book-guide-elementor-content h3 + ol,
body.masco-book-guide-elementor-preview .ef-doit ol,
body.masco-book-guide-elementor-preview .elementor-widget-text-editor h3 + ul,
body.masco-book-guide-elementor-preview .elementor-widget-text-editor h3 + ol {
  margin: 0;
  padding: 19px 23px 19px 43px;
  border-left: 3px solid #0a7a72;
  border-radius: 0 9px 9px 0;
  background: #eef7f4;
  color: #233643;
  font-size: 14.8px;
  line-height: 1.62;
}

#efBook .masco-book-guide-elementor-content h3 + ul,
body.masco-book-guide-elementor-preview .elementor-widget-text-editor h3 + ul {
  list-style: decimal;
}

#efBook .masco-book-guide-elementor-content .ef-close,
#efBook .masco-book-guide-elementor-content .closing,
body.masco-book-guide-elementor-preview .ef-close,
body.masco-book-guide-elementor-preview .elementor-widget-text-editor .closing {
  margin: 24px 0 0;
  padding-top: 14px;
  border-top: 1px solid #e6dbc4;
  color: #8d8168;
  font-size: 13.5px;
  font-style: italic;
  line-height: 1.6;
}