/* =========================================================
   Mobile-first responsive rewrite
   Breakpoints:
   - tablet: 600px
   - desktop: 1024px (restores original desktop layout)
   ========================================================= */

/* =========================================================
   Variables
   ========================================================= */
:root {
  --orange1: #f36d21;
  --primary-text-color: #000;
  --secondary-text-color: #fff;
  --bitcoin-color: #f39c12;
  --easy-grey-text-color: #4d4e53;

  --clr-light: #f5f5f5;
  --clr-accent: red;

  --shadow-elev: 0px 2px 4px -1px rgba(0, 0, 0, 0.2),
                 0px 4px 5px 0px rgba(0, 0, 0, 0.14),
                 0px 1px 10px 0px rgba(0, 0, 0, 0.12);

  --content-pad-x: 1.6rem;
  --content-pad-y: 2.0rem;

  --guide-nav-width-desktop: 22%;
  --guide-nav-max-mobile: 320px;
}

/* =========================================================
   Base / Reset-ish
   ========================================================= */
html {
  scroll-behavior: smooth;
  font-size: 62.5%; /* 10px baseline */
}

html, body { overflow-x: hidden; }

body {
  background: #fff;
  color: var(--primary-text-color);
  font-family: 'Manrope', sans-serif;
  margin: 0;
  padding: 0;
  font-size: 1.6rem;
  line-height: 1.5;
}

.no-scroll-html {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

/* Typography (mobile-first, desktop caps match your original sizes) */
h1 {
  font-size: clamp(3.2rem, 4.5vw, 4.8rem);
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}
h2 { font-size: clamp(2.6rem, 3.8vw, 3.6rem); }
h3 { font-size: clamp(2.2rem, 3.1vw, 2.8rem); }
h4 { font-size: clamp(1.9rem, 2.6vw, 2.2rem); }
h5 { font-size: clamp(1.7rem, 2.2vw, 1.8rem); }

/* Your guide headings were bigger: keep max same, but scale down on phone */
.guide-content h1 { font-size: clamp(3.4rem, 5vw, 5.2rem); }
.guide-content h2 { font-size: clamp(2.8rem, 4.2vw, 4.0rem); }
.guide-content h3 { font-size: clamp(2.2rem, 3.5vw, 3.2rem); }

p {
  /* Your old p was 3rem (30px). Keep that on desktop, but make it sane on mobile. */
  font-size: clamp(1.6rem, 2.2vw, 3.0rem);
}

code {
  background-color: #f5f5f5;
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.95em;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
  max-width: 100%;
  display: inline-block;
}

pre {
  background-color: #f6f8fa;
  color: var(--primary-text-color);
  padding: 1.6rem;
  overflow-x: auto;
  white-space: pre;
  border-radius: 6px;
}

/* Color helpers */
.color-orange { color: #f39c12; font-weight: bold; } /* fixed typo */
.color-blue   { color: #3498db; font-weight: bold; }
.color-purple { color: #9b59b6; font-weight: bold; }
.color-green  { color: #2ecc71; font-weight: bold; }
.color-red    { color: #e74c3c; font-weight: bold; }
.color-gold   { color: #d8b90d; font-weight: bold; }

/* Lists */
.guide-nav-ul {
  margin: 0;
  padding: 0;
  list-style-type: none;
}

.guide-nav-footer {
  margin-top: 18px;
  padding: 0 16px 20px;
}

.guide-nav-footer a {
  display: inline-flex;
  text-decoration: none;
  font-weight: 600;
  color: #f7941a;
}

.guide-nav-footer a:hover {
  color: #ffd18a;
}

.summary-ul {
  list-style-type: disc;
  padding-left: 1.5em;
  width: fit-content;
  max-width: 100%;
}

.summary-ul li {
  /* On mobile, flex + huge gap breaks. Use a compact layout. */
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.summary-ul li::marker {
  color: #000;
  font-size: 1rem;
}

.threat-recap-list {
  width: min(820px, 100%);
  margin: 0.75rem auto 2rem;
  padding: 0;
  list-style: none;
}

.threat-recap-list > li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.9rem;
  align-items: center;
  margin: 0.45rem 0;
  padding: 0.7rem 0.9rem;
  border: 1px solid #e2e2e2;
  border-left: 4px solid #8a8a8a;
  border-radius: 8px;
  background: #fff;
}

.threat-recap-list .threat-recap-text {
  grid-column: 1;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.threat-recap-list > li > .icon {
  grid-column: 2;
  justify-self: end;
}

.threat-recap-list .icon img {
  width: 2.25em;
  height: 2.25em;
}

.threat-recap-list > li.has-sublist {
  grid-template-columns: 1fr;
  align-items: start;
  border-left-color: #606060;
}

.threat-recap-list > li.has-sublist > .threat-recap-sublist {
  grid-column: 1;
}

.threat-recap-sublist {
  margin: 0.55rem 0 0.1rem;
  padding: 0 0 0 0.75rem;
  list-style: none;
}

.threat-recap-sublist li {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.18rem 0 0.18rem 1rem;
}

.threat-recap-sublist li::before {
  content: "\2022";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: #4d4d4d;
  line-height: 1;
}

.threat-recap-sublist .threat-subicon {
  justify-self: end;
}

ul.content-ul li { list-style-type: disc; }
.bullet-list { list-style: disc; }

/* Links */
a.glossary-link {
  color: #222;
  font-weight: 500;
  border-bottom: 1px dashed #999;
  cursor: help;
  text-decoration: none;
  position: relative;
}

a.glossary-link::after {
  content: "🛈";
  font-size: 0.95em;
  margin-left: 0.35em;
}

a.external-link {
  color: #0066cc;
  text-decoration: underline;
}

a.external-link::after {
  content: " ↗";
  font-size: 0.8em;
}

/* Details */
details { margin: 1em 0; }

details[open] {
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 0.5em 1em;
  background-color: #f9f9f9;
}

details summary {
  cursor: pointer;
  font-weight: bold;
  font-size: 1.5em;
  color: #333;
}

details summary:hover {
  text-decoration: underline;
  color: #0066cc;
}

summary {
  font-size: 1.5em;
  font-weight: bold;
  color: #333;
}

/* Icons / threats */
.icon img {
  width: 3em;
  height: 3em;
  vertical-align: middle;
}

.threat summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-right: 2rem;
}

.threats-container {
  max-width: 100%;
  border: 1px solid #e0e6ef;
  border-radius: 14px;
  padding: 1rem;
  background: #fff7ea;
  box-shadow: 0 10px 22px rgba(16, 24, 40, 0.06);
}

.threats-heading {
  margin: 1.6rem 0 0.6rem 0;
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #1f1f1f;
}

.threats-container--materialized {
  border: 1px solid #d2d2d2;
  border-radius: 12px;
  background: #fff;
  padding: 0.8rem 1rem 0.6rem 1rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.threats-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem 1.2rem;
}

.threats-container .summary-ul li {
  display: block;
}

.threats-container ul {
  list-style: none;
  margin: 0;
  padding-left: 0;
  display: block;
}

.threats-container li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.threats-container li::before {
  content: none;
}

.threats-container li > .threat {
  flex: 1;
}

.threats-container details.threat {
  background: #ffffff;
  border: 1px solid #dde5f0;
  border-radius: 12px;
  padding: 0.8rem 1rem;
  box-shadow: 0 6px 14px rgba(16, 24, 40, 0.06);
  transition: box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.threats-container details.threat[open] {
  background: #f4f7ff;
  border-color: #cbd7ea;
  box-shadow: 0 10px 20px rgba(16, 24, 40, 0.08);
}

.threats-container details.threat summary {
  font-size: 1.1em;
  font-weight: 700;
  color: #1f2a37;
}

.threats-container details.threat:hover {
  border-color: #c7d4e8;
  box-shadow: 0 10px 20px rgba(16, 24, 40, 0.08);
}

.threat .icon {
  width: clamp(32px, 3.5vw, 48px);
  height: clamp(32px, 3.5vw, 48px);
  object-fit: contain;
  flex-shrink: 0;
}

/* Tables */
table.guide-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid #c7c7c7;
  background-color: #fff;
  font-size: calc(0.95rem + 2px);
}

table.guide-table caption {
  text-align: left;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

table.guide-table th,
table.guide-table td {
  border: 1px solid #c7c7c7;
  padding: 10px 12px;
  vertical-align: top;
}

table.guide-table thead th {
  background-color: #f1f1f1;
  text-align: left;
}

table.guide-table tbody tr:nth-child(even) {
  background-color: #fafafa;
}

table td { text-align: center; }

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-scroll table {
  min-width: 720px;
}

@media (max-width: 768px) {
  table.guide-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

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

.table-green-row  { background-color: #2ecc71; }
.table-blue-row   { background-color: #3498db; }
.table-orange-row { background-color: #f39c12; }

.table-row-green-text  { color: #2ecc71; }
.table-row-orange-text { color: #f39c12; }
.table-row-blue-text   { color: #3498db; }

.power-of-two-conversion-decimal-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid #c7c7c7;
}
.power-of-two-conversion-decimal-table td,
.power-of-two-conversion-decimal-table th {
  border: 1px solid #c7c7c7;
  padding: 6px;
}

/* Seedphrase conversion tables: clear thin borders */
.basic-utility-table-seedphrase-creation-cheatsheet-desktop,
.basic-utility-table-seedphrase-creation-cheatsheet {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid #c7c7c7;
}
.basic-utility-table-seedphrase-creation-cheatsheet-desktop th,
.basic-utility-table-seedphrase-creation-cheatsheet-desktop td,
.basic-utility-table-seedphrase-creation-cheatsheet th,
.basic-utility-table-seedphrase-creation-cheatsheet td {
  border: 1px solid #c7c7c7;
  padding: 6px;
}
.basic-utility-table-seedphrase-creation-cheatsheet-desktop th,
.basic-utility-table-seedphrase-creation-cheatsheet th {
  background: #f8f8f8;
}

/* Keep header row and first column visible in comparison tables */
.comparison-table {
  border-collapse: separate;
  border-spacing: 0;
}
.comparison-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #ffffff;
}
.comparison-table td:first-child,
.comparison-table th:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: #ffffff;
}
.comparison-table thead th:first-child {
  z-index: 3;
}

/* Mobile: let tables scroll instead of breaking layout */
table {
  max-width: 100%;
}
.table-wrap,
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.table-scroll {
  position: relative;
  scrollbar-color: #a0a0a0 #f2f2f2;
  scrollbar-width: auto;
  box-shadow: inset -28px 0 20px -20px rgba(0, 0, 0, 0.18);
}
.table-scroll::-webkit-scrollbar {
  height: 12px;
}
.table-scroll::-webkit-scrollbar-track {
  background: #f2f2f2;
}
.table-scroll::-webkit-scrollbar-thumb {
  background: #a0a0a0;
  border-radius: 10px;
  border: 2px solid #f2f2f2;
}
.table-scroll::-webkit-scrollbar-thumb:hover {
  background: #888888;
}

@media (max-width: 900px) {
  .table-scroll {
    max-height: 70vh;
    overflow: auto;
  }
}

/* Your toggle pattern for alternative tables */
.table-desktop { display: none; }
.table-mobile  { display: table; }

/* =========================================================
   Logo
   ========================================================= */
.logo-text-container {
  display: flex;
  margin-left: 1%;
  position: relative;
  z-index: 10;
  height: 5em;
  width: auto;
  align-items: center;
  gap: 0.6rem;
}

.guide-navbar .logo-text-container { margin: 4% 0 4% 15%; }

.logo-text-container span {
  color: #f7931a;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(2.6rem, 3.5vw, 4.4rem);
  font-weight: bold;
  display: inline-block;
  text-shadow:
    -1px -1px 0 #000,
     1px -1px 0 #000,
    -1px  1px 0 #000,
     1px  1px 0 #000;
}

.logo-text-container a {
  text-decoration: none;
  color: inherit;
  font-size: clamp(2.4rem, 3.2vw, 4.0rem);
  line-height: 1;
}

.logo-text-container img.mascot {
  height: clamp(4.2rem, 5vw, 6rem);
  width: auto;
  display: inline-block;
  vertical-align: middle;
}

/* =========================================================
   Footer
   ========================================================= */
footer {
  background: #000;
  padding: 10px 20px;
}

/* =========================================================
   Shared headers / nav
   ========================================================= */
.basic-utility-navigation-body-header-section,
.header-glossary {
  width: 100vw;
  background-position: center;
  background-size: cover;
  position: relative;
  display: flex;
}

/* Region + Season background hook
   CSS alone can't detect region/season. You must add classes on <body>, e.g.:
   <body class="region-eu season-winter">
*/
.basic-utility-navigation-body-header-section {
  background-image:
    linear-gradient(rgba(4, 29, 30, 0.242), rgba(4, 9, 30, 0.479)),
    url(images/basic-utility-navigation/background-computer-room-tima-miroshnichenko-2.jpg);
}
body.region-eu.season-winter .basic-utility-navigation-body-header-section {
  /* example override */
  background-image:
    linear-gradient(rgba(4, 29, 30, 0.242), rgba(4, 9, 30, 0.479)),
    url(images/basic-utility-navigation/background-computer-room-winter.jpg);
}

/* Top nav bar */
.header-nav,
.index-header-nav,
.index-basic-course-header-nav,
#why_bitcoin_header_nav {
  display: flex;
  width: 100vw;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
  opacity: 1;
  background-color: #ffffff;
  box-shadow: var(--shadow-elev);
  box-sizing: border-box;
}

/* Mobile: let nav height be auto, wrap safely */
.header-nav,
.index-header-nav {
  padding: 0.6rem 1.2rem;
  height: auto;
  min-height: 5em;
}

.index-basic-course-header-nav {
  padding: 0.6rem 1.2rem;
  height: auto;
  min-height: 5em;
}

/* Your original had fixed 7em; keep but allow wrapping */
#why_bitcoin_header_nav {
  padding: 0.6rem 1.2rem;
  height: auto;
  min-height: 7em;
  max-width: 100vw;
  overflow: hidden;
  flex-wrap: wrap;
}

.index-nav-links {
  flex: 1;
  text-align: right;
  padding: 0;
  z-index: 10;
  opacity: 1;
}

.language-switch {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding-left: 0.6rem;
}

.language-flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  line-height: 1;
}

.language-flag:focus,
.language-flag:hover {
  transform: translateY(-1px);
}

.language-flag-icon {
  width: 1.8rem;
  height: 1.2rem;
  display: block;
  border-radius: 2px;
}

/* Mobile: make top nav links wrap instead of overflowing */
.index-nav-links > ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem;
}

.index-nav-links > ul > li {
  display: inline-block;
  padding: 10px 16px;
  position: relative;
  color: var(--primary-text-color);
}

.index-nav-links > ul > li > a {
  color: var(--primary-text-color);
  text-decoration: none;
  font-size: 1.4em;
}

.index-nav-links .nav-item-has-submenu {
  position: relative;
}

.nav-submenu {
  list-style: none;
  margin: 0;
  padding: 0.4rem 0;
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  text-align: left;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
  z-index: 20;
}

.nav-submenu::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 3px solid #f7941a;
  border-radius: 8px;
  pointer-events: none;
  clip-path: inset(0 50% calc(100% - 3px) 50%);
  opacity: 0.9;
}

.nav-submenu a {
  display: block;
  padding: 0.6rem 1rem;
  color: var(--primary-text-color);
  text-decoration: none;
  font-size: 1.3em;
  white-space: nowrap;
}

.nav-submenu a:hover,
.nav-submenu a:focus {
  background: rgba(0, 0, 0, 0.06);
}

@media (min-width: 1024px) {
  .index-nav-links > ul > li > a {
    position: relative;
    display: inline-block;
  }

  .index-nav-links > ul > li > a::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -6px;
    width: 0%;
    height: 2px;
    background: #f7941a;
    transform: translateX(-50%);
    transition: width 0.35s ease;
  }

  .index-nav-links > ul > li > a:hover::after,
  .index-nav-links > ul > li > a:focus::after,
  .index-nav-links > ul > li > a:focus-visible::after {
    width: 100%;
  }

  .nav-item-has-submenu > a::after {
    display: none;
  }

  .nav-item-has-submenu:hover .nav-submenu,
  .nav-item-has-submenu:focus-within .nav-submenu {
    display: block;
  }

  .nav-item-has-submenu:hover .nav-submenu::before,
  .nav-item-has-submenu:focus-within .nav-submenu::before {
    animation: submenu-border-draw 0.35s ease-out forwards;
  }
}

@keyframes submenu-border-draw {
  0% {
    clip-path: inset(0 50% calc(100% - 3px) 50%);
    opacity: 0.4;
  }
  30% {
    clip-path: inset(0 0 calc(100% - 3px) 0);
    opacity: 1;
  }
  100% {
    clip-path: inset(0 0 0 0);
    opacity: 1;
  }
}


/* =========================================================
   Index hero / portal
   ========================================================= */
.body-course-navigation { min-height: 100vh; }
.body-course-navigation-no-scroll {
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.body-course-navigation-no-scroll .index-type-hero-section {
  min-height: 0;
  flex: 1;
}

.index-type-hero-section {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.468)),
    url(images/basic-utility-navigation/background-computer-room-tima-miroshnichenko-2.jpg);

  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;

  box-sizing: border-box;
  padding: 12vh var(--content-pad-x) var(--content-pad-y);
  gap: 3rem;
}

.index-text-box-top-padding h1 { margin-top: 0; }

#index_header {
  background-image:
    linear-gradient(rgba(4, 29, 30, 0.242), rgba(4, 9, 30, 0.479)),
    url(images/archive/castle-bernd-dittrich.jpg);
  min-height: 100vh;
  width: 100%;
  background-position: center;
  background-size: cover;
  position: relative;
}

#index_body {
  background-color: #000;
  overflow-y: auto;
}

#index_p_learn_more,
#basic_utility_navigation_p_learn_more {
  margin-top: 2%;
}

#index_text_box {
  width: min(90%, 900px);
  color: var(--secondary-text-color);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

#index_text_box h1 { font-size: clamp(3.2rem, 5vw, 5.2rem); }

#index_text_box a,
#index_text_box a:visited {
  color: var(--secondary-text-color);
}

/* Buttons */
.hero-button-index {
  display: inline-flex;
  text-decoration: none;
  color: var(--secondary-text-color);
  padding: 12px 34px;
  background: transparent;
  position: relative;
  cursor: pointer;
  text-align: center;
  justify-content: center;
  align-items: center;
  border-radius: 7px;
  margin: 8px;
  box-shadow: var(--shadow-elev);
}

.hero-button-index:hover {
  background: #f7931a;
  transition: 1s;
}

.index-landing-hero-button {
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 5rem);
  border: 1px solid #fff;
  height: auto;
  min-height: 72px;
  width: min(92vw, 520px);
}

.index-mission-hero-button {
  width: min(92vw, 900px);
  min-height: 120px;
  height: auto;
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 5rem);
  border: 8px solid var(--bitcoin-color);
  box-sizing: border-box;
  margin-top: 0.4em;
}

/* Arrow animation: keep, but prevent weird giant spacing on mobile */
.index-arrow-animation-box {
  position: absolute;
  top: 120%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.index-arrow-animation-box span {
  display: block;
  width: 20px;
  height: 20px;
  border-bottom: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(45deg);
  margin: -10px;
  animation: animate 2s infinite;
}

.index-arrow-animation-box span:nth-child(2) {
  animation-delay: 0.2s;
  transform: rotate(45deg) translate(-20px, -20px);
}
.index-arrow-animation-box span:nth-child(3) {
  animation-delay: 0.4s;
  transform: rotate(45deg) translate(-20px, -20px);
}

@keyframes animate {
  0%   { opacity: 0; transform: rotate(45deg) translate(-20px, -20px); }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: rotate(45deg) translate(20px, 20px); }
}

@keyframes advanced-arrow-animate {
  0%   { opacity: 0; transform: rotate(45deg) translate(-14px, -14px); }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: rotate(45deg) translate(10px, 10px); }
}

.index-section-background {
  background-color: #000;
  background-image: none;
  min-height: 100vh;
}

.index-section-mission-div {
  padding: 4.5rem 2rem 3rem 2rem;
  text-align: center;
  color: #fff;
}

.index-section-vision {
  display: flex;
  justify-content: center;
  padding: 4rem 1.6rem;
  color: #fff;
  max-width: 100vw;
}

.index-section-vision-div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  width: 100%;
  max-width: 100vw;
  align-items: flex-start;
  margin-top: 4rem;
  margin-bottom: 4rem;
}

.index-vision-box {
  flex: 1 1 280px;
  padding: 2rem;
  border-radius: 1.5rem;
  box-sizing: border-box;
}

.index-section-vision-div-left-h3 {
  flex-basis: 100%;
  line-height: 1.6;
  padding-left: 0;
  height: auto;
}
.index-section-vision-div-left-h3 h3 {
  margin: 0;
  font-size: 3rem;
  font-weight: 500;
}

.index-section-vision-div-right-text {
  line-height: 1.6;
  flex-basis: 100%;
  padding: 0;
  font-size: 1.4rem;
}
.index-section-vision-div-right-text .text { font-size: 1.8rem; }

.index-reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.8s ease;
}
.index-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.index-pair {
  display: flex;
  align-items: flex-start;
  gap: 0.5em;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.8s ease;
}
.index-pair.visible {
  opacity: 1;
  transform: translateY(0);
}
.index-pair:nth-child(2).visible { transition-delay: 0.2s; }
.index-pair:nth-child(3).visible { transition-delay: 0.4s; }

.index-pair-symbol {
  flex-shrink: 0;
  width: 2em;
  text-align: center;
}

.index-section-div-image img { max-width: min(100%, 420px); }

.index-pair-symbol-btc {
  color: orange;
  font-size: 1.15em;
  font-weight: bold;
}

.index-section-social-proof,
.index-section-action {
  color: #fff;
}

/* =========================================================
   Basic Utility navigation portal
   ========================================================= */
.basic-utility-navigation-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Make these buttons usable on mobile */
.hero-button-basic-utility {
  display: inline-flex;
  text-decoration: none;
  color: var(--secondary-text-color);
  border: 1px solid #fff;
  padding: 12px 18px;
  font-size: 1.6rem;
  background-color: rgba(0, 0, 0, 0.3);
  position: relative;
  cursor: pointer;

  width: auto;
  min-width: 140px;
  height: auto;
  min-height: 56px;

  text-align: center;
  justify-content: center;
  align-items: center;
  border-radius: 5px;
  margin: 8px;
  font-weight: 500;
}

.hero-button-basic-utility:hover {
  border: 1px solid #329239;
  background: #329239;
  transition: 1s;
}

.hero-button-premium {
  position: relative;
  padding-right: 74px;
}

.premium-tag {
  position: absolute;
  right: 8px;
  bottom: 8px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(63, 191, 82, 0.9);
  color: #0b1a0f;
}

.premium-tag-inline {
  position: static;
  display: inline-block;
  margin-left: 6px;
  font-size: 0.9rem;
  padding: 2px 6px;
  vertical-align: middle;
}

.basic-navigation-page .hero-button-basic-utility {
  margin-bottom: 28px;
}

.basic-navigation-page .advanced-callout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-top: 2px;
}

.basic-navigation-page .index-type-hero-section {
  padding-top: 8vh;
}

.basic-navigation-page .index-type-hero-button-div .hero-button-basic-utility {
  padding: 16px 22px;
  font-size: 1.8rem;
  min-width: 180px;
  min-height: 72px;
}

.basic-navigation-page .advanced-course-panel {
  padding: 16px 28px;
  font-size: 2rem;
  min-width: 240px;
  min-height: 76px;
}
.basic-navigation-page .advanced-progress-arrow {
  position: relative;
  top: auto;
  left: auto;
  transform: none;
  width: 44px;
  height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: -6px;
}

.basic-navigation-page .advanced-progress-arrow span {
  border-bottom-color: #3fbf52;
  border-right-color: #3fbf52;
  border-bottom-width: 3px;
  border-right-width: 3px;
  margin: -2px;
  transform: rotate(45deg);
  animation: advanced-arrow-animate 2s infinite;
}

.basic-navigation-page .advanced-progress-arrow span:nth-child(2) {
  animation-delay: 0.2s;
}

/* =========================================================
   Advanced pricing section (navigation pricing mock)
   ========================================================= */
.advanced-pricing-section {
  margin-top: 32px;
  padding: 24px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 18px 40px rgba(8, 12, 18, 0.18);
}

.advanced-pricing-header h2 {
  margin-bottom: 8px;
}

.advanced-pricing-header p {
  margin-top: 0;
}

.advanced-pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.advanced-pricing-card {
  background: #fff;
  color: #121212;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 18px;
}

.advanced-pricing-card:not(.advanced-pricing-card-featured) {
  border-color: #f28c28;
}

.advanced-pricing-card-featured {
  border-color: rgba(63, 191, 82, 0.6);
  box-shadow: 0 0 0 1px rgba(63, 191, 82, 0.4);
}

.advanced-pricing-badge {
  display: inline-block;
  background: #3fbf52;
  color: #0b1a0f;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.advanced-pricing-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.advanced-pricing-price {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
}

.advanced-pricing-list {
  margin: 14px 0 18px;
  padding-left: 18px;
}

.advanced-pricing-cta {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 10px 16px;
  border-radius: 6px;
  background: #1b6b2b;
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(63, 191, 82, 0.8);
}

.advanced-pricing-cta:hover {
  background: #3fbf52;
  color: #0b1a0f;
}

.advanced-pricing-footnote {
  margin-top: 16px;
  opacity: 0.9;
}

/* =========================================================
   Course forum mock
   ========================================================= */
.forum-intro p {
  margin-bottom: 20px;
}

.forum-pill-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.forum-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(247, 148, 26, 0.7);
  color: #fff;
  font-size: 1.3rem;
  background: rgba(0, 0, 0, 0.25);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18);
}

.forum-panel {
  width: min(95%, 1100px);
  padding: 24px;
  border-radius: 12px;
  background: #fff;
  color: #121212;
  box-shadow: 0 18px 40px rgba(8, 12, 18, 0.2);
}

.forum-panel-header h2 {
  margin-bottom: 6px;
}

.forum-panel-header p {
  margin-top: 0;
}

.forum-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.forum-step {
  border-radius: 10px;
  padding: 16px;
  border: 1px solid rgba(247, 148, 26, 0.35);
  background: #fff7ee;
}

.forum-layout {
  width: min(95%, 1100px);
  display: grid;
  grid-template-columns: minmax(260px, 360px) 1fr;
  gap: 24px;
}

.forum-form-panel,
.forum-board {
  background: #fff;
  color: #121212;
  border-radius: 12px;
  padding: 22px;
  box-shadow: 0 18px 40px rgba(8, 12, 18, 0.18);
}

.forum-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.forum-form label {
  font-weight: 600;
}

.forum-form input,
.forum-form select,
.forum-form textarea {
  font-family: inherit;
  font-size: 1.6rem;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #d8d8d8;
  background: #fff;
}

.forum-form textarea {
  resize: vertical;
}

.forum-form-meta {
  font-size: 1.3rem;
  color: #4d4e53;
}

.forum-submit {
  align-self: flex-start;
  padding: 10px 18px;
  font-size: 1.6rem;
}

.forum-board-header h2 {
  margin-bottom: 6px;
}

.forum-board-header p {
  margin-top: 0;
}

.forum-grid {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.forum-empty {
  margin-top: 12px;
  font-size: 1.4rem;
  color: #5a5b60;
}

.forum-card {
  border-radius: 10px;
  padding: 16px;
  border: 1px solid rgba(247, 148, 26, 0.35);
  background: #fff;
}

.forum-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.forum-tag {
  font-size: 1.2rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(243, 156, 18, 0.18);
  color: #7b4b00;
  border: 1px solid rgba(243, 156, 18, 0.4);
}

.forum-meta {
  font-size: 1.2rem;
  color: #4d4e53;
}

.forum-solution {
  margin-top: 10px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(63, 191, 82, 0.12);
  border: 1px solid rgba(63, 191, 82, 0.35);
}

.forum-card-solved {
  border-color: rgba(63, 191, 82, 0.5);
}

.forum-solved {
  margin-top: 18px;
}

.forum-callout {
  width: min(95%, 1100px);
  margin: 36px auto 0;
  padding: 26px;
  border-radius: 14px;
  text-align: center;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(247, 148, 26, 0.45);
  box-shadow: 0 18px 36px rgba(8, 12, 18, 0.22);
  color: #fff;
}

.forum-callout-inner {
  max-width: 860px;
  margin: 0 auto;
}

.forum-callout-button {
  margin-top: 12px;
  display: inline-flex;
}

.forum-nav-callout {
  width: min(95%, 900px);
  margin: 24px auto 0;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(247, 148, 26, 0.4);
  color: #fff;
}

.forum-nav-callout p {
  margin: 10px 0 18px;
}

.index-forum-cta {
  padding: 40px 0;
  display: flex;
  justify-content: center;
}

.index-forum-cta-panel {
  width: min(92%, 980px);
  background: #fff;
  color: #121212;
  border-radius: 14px;
  padding: 26px;
  box-shadow: 0 18px 40px rgba(8, 12, 18, 0.2);
  text-align: center;
}

.index-forum-cta-panel p {
  margin: 10px 0 18px;
}

@media (max-width: 900px) {
  .forum-layout {
    grid-template-columns: 1fr;
  }
}

.basic-navigation-page .advanced-progress-arrow span:nth-child(3) {
  animation-delay: 0.4s;
}

.basic-navigation-page .advanced-course-panel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--secondary-text-color);
  border: 3px solid #f7941a;
  padding: 12px 22px;
  font-size: 2.2rem;
  background-color: rgba(0, 0, 0, 0.35);
  border-radius: 6px;
  font-weight: 600;
  text-align: center;
  transition: background-color 1s, color 1s, border-color 1s;
}

.basic-navigation-page .advanced-course-panel:hover {
  background-color: #f7941a;
  border-color: #f7941a;
}

.basic-navigation-page .hero-button-basic-utility::after {
  content: '';
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  width: 100%;
  --progress-bar-height: 12px;
  --progress-segments: 6;
  height: var(--progress-bar-height);
  background-color: #101010;
  border-radius: 0;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.15);
  background-image:
    linear-gradient(90deg, #3fbf52 0 100%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size:
    0% 100%,
    calc(100% / var(--progress-segments)) var(--progress-bar-height),
    calc(100% / var(--progress-segments)) var(--progress-bar-height);
  background-repeat: no-repeat, repeat, repeat;
  background-position: left center, left top, left top;
  animation: basic-course-progress-1 12s linear infinite;
}

.basic-navigation-page .index-type-hero-button-div .hero-button-basic-utility:nth-child(1)::after {
  animation-name: basic-course-progress-1;
}

.basic-navigation-page .index-type-hero-button-div .hero-button-basic-utility:nth-child(2)::after {
  animation-name: basic-course-progress-2;
}

.basic-navigation-page .index-type-hero-button-div .hero-button-basic-utility:nth-child(3)::after {
  animation-name: basic-course-progress-3;
}

.basic-navigation-page .index-type-hero-button-div .hero-button-basic-utility:nth-child(4)::after {
  animation-name: basic-course-progress-4;
}

@keyframes basic-course-progress-1 {
  0% { background-size: 0% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
  18.75% { background-size: 100% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
  99.9% {
    background-size: 100% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height);
  }
  100% { background-size: 0% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
}

@keyframes basic-course-progress-2 {
  0% { background-size: 0% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
  18.75% { background-size: 0% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
  37.5% { background-size: 100% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
  99.9% {
    background-size: 100% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height);
  }
  100% { background-size: 0% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
}

@keyframes basic-course-progress-3 {
  0% { background-size: 0% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
  37.5% { background-size: 0% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
  56.25% { background-size: 100% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
  99.9% {
    background-size: 100% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height);
  }
  100% { background-size: 0% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
}

@keyframes basic-course-progress-4 {
  0% { background-size: 0% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
  56.25% { background-size: 0% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
  75% { background-size: 100% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
  99.9% {
    background-size: 100% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height);
  }
  100% { background-size: 0% 100%, calc(100% / var(--progress-segments)) var(--progress-bar-height), calc(100% / var(--progress-segments)) var(--progress-bar-height); }
}


@media (min-width: 1024px) {
  .hero-button-basic-utility {
    padding: 20px 30px;
    font-size: 2rem;
    min-width: 200px;
    min-height: 80px;
  }
}

@keyframes pulse-border {
  0% { box-shadow: 0 0 0 0 rgba(243, 156, 18, 0.35); }
  70% { box-shadow: 0 0 0 6px rgba(243, 156, 18, 0); }
  100% { box-shadow: 0 0 0 0 rgba(243, 156, 18, 0); }
}

@media (max-width: 1023px) {
  .hero-button-basic-utility {
    animation: pulse-border 2.2s ease-out infinite;
  }
}

.basic-courses-navigation {
  width: min(90%, 900px);
  color: var(--secondary-text-color);
  text-align: center;
}

.basic-courses-navigation h1 { font-size: clamp(2.6rem, 4vw, 3.0rem); }
.basic-courses-navigation p  { margin: 10px 0 40px; font-size: 1.9rem; color: var(--secondary-text-color); }

@media (max-width: 1023px) {
  .index-type-hero-button-div {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-content: center;
  }
}

/* Align advanced-course jump panels with left text edge in guides */
.advanced-course-jump-panels .hero-button-basic-utility {
  margin: 8px 8px 8px 0;
}

@media (max-width: 600px) {
  .index-type-hero-button-div {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: center;
  }

  .body-course-navigation-no-scroll {
    height: auto;
    overflow: auto;
  }

  .body-course-navigation-no-scroll .index-type-hero-section {
    min-height: auto;
  }
}

/* =========================================================
   Glossary
   ========================================================= */
#glossary_body { color: var(--easy-grey-text-color); }

#glossary_main_div { padding: 0 calc(6% + 64px) 0 6%; } /* room for back-to-top button */

@media (max-width: 480px) {
  #glossary_main_div { padding-right: calc(6% + 90px); }
}

.header-glossary .index-nav-links ul li a {
  color: var(--primary-text-color);
  text-decoration: none;
}

.glossary-header-2 {
  margin: 1.2em 0;
  font-size: clamp(2.6rem, 4vw, 4em);
  font-weight: bold;
  text-decoration: underline;
}

.glossary-h1-letter {
  margin-top: 2em;
  margin-bottom: .7em;
  font-weight: bold;
  font-size: clamp(2.0rem, 3vw, 2.5em);
  text-decoration: underline;
}

/* Mobile: allow wrapping instead of forcing one line */
#glossary_letter_links {
  font-size: clamp(1.8rem, 3vw, 3em);
  font-weight: bold;
  margin: 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap; /* changed */
  gap: 0.6rem;
}

#glossary_letter_links a {
  color: var(--easy-grey-text-color);
  padding: 0.174em; /* fixed missing semicolon in old file */
}

.scroll-to-top-button {
  position: fixed;
  top: 100px;
  right: 10px;
  background: linear-gradient(#5e5e5e 85%, #45454f 100%);
  width: 25px;
  height: 25px;
  border: 1px solid #000;
  border-radius: 46%;
}

a.glossary-back-to-top-link {
  background-color: #EE0;
  color: var(--primary-text-color);
  padding: clamp(4px, 0.5vw + 4px, 8px) clamp(6px, 0.9vw + 6px, 12px);
  position: fixed;
  bottom: 1.2em;
  right: 1.2em;
  border-radius: 10px;
  box-shadow: var(--shadow-elev);
  font-size: clamp(0.9rem, 0.6vw + 0.8rem, 1.15rem);
  line-height: 1;
  display: inline-block;
}
a.glossary-back-to-top-link::before {
  content: "↗";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 6px;
  font-size: 1rem;
  line-height: 1;
  color: #1f1f1f;
}

/* Accordion */
.glossary-div-accordion {
  max-width: 100%;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  border-radius: 5px;
  overflow: hidden;
  font-family: "Quicksand", sans-serif; /* fixed quotes */
  background: #009578;
  margin: 0 0 0.8em 0;
  font-size: 2rem;
}

.glossary-accordion-label,
.glossary-accordion-content {
  padding: 14px 20px;
  background-color: #f39c12;
}

.glossary-accordion-label {
  display: block;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  transition: background 0.1s;
}
.glossary-accordion-label:hover { background: rgba(228, 181, 87, 0.484); }

.glossary-accordion-label::after {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(50%);
  right: 20px;
  width: 12px;
  height: 6px;
  background-image: url('data:image/svg+xml;utf8,<svg width="100" height="50" xmlns="http://www.w3.org/2000/svg"><polygon points="0,0 100,0 50,50" style="fill:%23FFFFFF99;" /></svg>');
  background-size: contain;
  transition: transform 0.4s;
}

.glossary-accordion-content {
  background: #ffffff;
  line-height: 1.6;
  font-size: 0.95em;
  display: none;
}

.glossary-accordion-input { display: none; }
.glossary-accordion-input:checked ~ .glossary-accordion-content { display: block; }
.glossary-accordion-input:checked ~ .glossary-accordion-label::after {
  transform: translateY(50%) rotate(0.5turn);
}

.glossary-dt-term { font-weight: bold; font-size: 2em; }

.glossary-dd {
  margin: 0 1.2rem 1.2rem 1.0rem; /* mobile-safe */
}

.glossary-dd.with-image {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.6rem;
  flex-wrap: wrap;
}
.glossary-dd.with-image img {
  width: min(100%, 400px);
  max-width: 400px;
  border-radius: 8px;
}
.glossary-dd.with-image p,
.glossary-dd.with-image div,
.glossary-dd.with-image span { flex: 1; }

/* =========================================================
   Guide pages (left sidebar -> hamburger drawer on mobile)
   ========================================================= */

/* Fix broken selector from old file */
.basic-utility-guide-body a:link,
.basic-utility-guide-body a:visited {
  color: var(--primary-text-color);
}

/* Layout */
.basic-utility-guide-body {
  display: flex;
  scroll-behavior: smooth;
  font-family: 'Manrope', sans-serif;
  color: #4d4e53;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

.basic-utility-guide-header,
.guide-header { color: var(--primary-text-color); }

.guide-navbar a:hover { color: #0077cc; }

/* Mobile-first: main content full width */
.basic-utility-guide-main,
.guide-main-content {
  margin-left: 0;
  padding: var(--content-pad-y) var(--content-pad-x);
  flex: 1;
  max-width: 100%;
  width: 100%;
  overflow-x: hidden;
}

/* Sidebar becomes off-canvas on mobile */
.basic-utility-guide-navbar,
.guide-navbar {
  position: fixed;
  top: 0;
  left: 0;

  width: min(80vw, var(--guide-nav-max-mobile));
  height: 100vh;

  border-right: 1px solid #b3b5b6;
  background-color: #fff;
  overflow-y: auto;

  z-index: 1000;

  transform: translateX(-110%);
  transition: transform 0.25s ease;
}

/* When opened (add .nav-open to body), slide in */
body.nav-open .basic-utility-guide-navbar,
body.nav-open .guide-navbar {
  transform: translateX(0);
}

/* Sidebar header */
.basic-utility-guide-navbar header,
.guide-navbar header {
  position: sticky;
  top: 0;
  text-align: left;
  background-color: white;
  font-size: 2em;
  padding: 1rem 1.2rem;
  z-index: 2;
}

/* Backdrop for open menu (needs a div in HTML, see note below) */
.nav-backdrop {
  display: none;
}
body.nav-open .nav-backdrop {
  display: block;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 900;
}

/* Nav links */
.basic-utility-guide-nav-link,
.guide-nav-link {
  text-decoration: none;
  display: block;
  border-top: 1px solid #ddd;
  color: var(--primary-text-color);
  padding: 0.75em 1.2em;
  font-size: 18px;
}

.guide-nav-link.active {
  background: rgba(0, 123, 255, 0.15);
  color: #007bff;
  font-weight: 600;
}

.sub-link.active {
  background: rgba(0, 123, 255, 0.05);
  font-weight: 500;
}

/* Hamburger button (visible on mobile/tablet) */
.menu-toggle {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1100;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  background-color: white;
  padding: 0.5rem;
  border-radius: 4px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

/* Guide content spacing */
.guide-content h1,
.guide-content h2 {
  margin-block: 0;
  margin-block-start: 5rem;
  margin-block-end: 0.75rem;
}
.guide-content h3,
.guide-content h4,
.guide-content h5 {
  margin-block: 0;
  margin-block-start: 4rem;
  margin-block-end: 0.75rem;
}

.guide-content p,
.guide-content ul,
.guide-content figcaption {
  margin-block-start: 0;
  margin-block-end: 2.4rem;
}

/* Two-column blocks -> stack on mobile */
.two-column-container-div {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.donation-div {
  margin-top: 0;
  border: solid 2px var(--bitcoin-color);
  padding: 1.6rem;
  border-radius: 12px;
  background: #fffdf8;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem 1.4rem;
}

.text-two-column-div { flex: 1; }

.two-column-image-container {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.two-column-image-container img {
  max-width: 150px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0;
  padding-left: 0; /* mobile-safe */
}

.immaterialized-key-image-center {
  justify-content: center;
  margin-bottom: 1rem;
}

.donation-div p {
  margin: 0 0 0.75rem 0;
}

.donation-primary-text p:first-child {
  margin-bottom: 3rem;
}

.donation-div--compact-text p {
  font-size: 2rem;
}

.donation-div--overview-spacing {
  margin-top: 6rem;
}

.donation-div p:last-child {
  margin-bottom: 0;
}

.donation-qr-caption {
  margin-top: 0.5rem;
  margin-bottom: 0;
  font-size: 0.92rem;
  color: #5e5e5e;
}

.donation-div .two-column-image-container {
  justify-content: center;
  flex-direction: column;
  text-align: center;
  border: 1px solid #e9e1d6;
  border-radius: 10px;
  background: #fff;
  padding: 0.8rem;
}

.double-diagram-div-container {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  width: 100%;
}

.diagram-div {
  flex: 1;
  margin-bottom: 2.4rem;
}

.figure-2-framed {
  border: 1px solid #d2d2d2;
  border-radius: 10px;
  padding: 0.75rem;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.figure-7-centered img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.figure-1-centered img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.figure-2-centered img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.figure-3-centered img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.figure-4-centered img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.stage-4-2-centered-media img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.stage-4-2-spof-paragraph {
  margin-top: 2.4rem;
}

#stage_2\.3\.1\.1 {
  margin-block-start: 5rem;
  margin-block-end: 1.4rem;
}

.power-defense-intro-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.6rem;
  border: 1px solid #dfe6ee;
  border-left: 6px solid #f39c12;
  border-radius: 12px;
  background: #f8fbff;
  padding: 1.4rem 1.6rem;
  margin-bottom: 2.8rem;
}

.power-defense-intro-text p {
  margin-bottom: 0;
}

.power-defense-intro-icon {
  flex: 0 0 auto;
  align-self: center;
}

.power-defense-intro-icon img {
  width: 76px;
  height: auto;
  display: block;
}

.power-defense-figure {
  margin: 0 0 3.2rem 0;
}

.power-defense-tools-heading {
  margin-top: 0;
  margin-bottom: 1.2rem;
}

.power-defense-tools-panel {
  border: 1px solid #e2e7ee;
  border-radius: 12px;
  background: #fcfdff;
  padding: 1.2rem;
  margin-bottom: 3.2rem;
}

.power-defense-tools-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.power-defense-tools-list > li + li {
  margin-top: 1rem;
}

.power-defense-tools-list details.threat {
  border: 1px solid #dce3ec;
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  background: #fff;
}

.power-defense-tools-list details.threat p {
  margin-bottom: 0.4rem;
}

#stage_2\.3\.2 {
  margin-block-start: 5rem;
  margin-block-end: 1.4rem;
}

.stealth-defense-intro-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.6rem;
  border: 1px solid #dde8e1;
  border-left: 6px solid #2f8f58;
  border-radius: 12px;
  background: #f5fcf8;
  padding: 1.4rem 1.6rem;
  margin-bottom: 2.8rem;
}

.stealth-defense-intro-text p {
  margin-bottom: 0;
}

.stealth-defense-intro-icon-group {
  display: flex;
  gap: 1rem;
  align-self: center;
}

.stealth-defense-intro-icon-group img {
  width: 64px;
  height: auto;
  display: block;
}

.stealth-defense-figure {
  margin: 0 0 3.2rem 0;
}

.stealth-defense-tools-heading {
  margin-top: 0;
  margin-bottom: 1.2rem;
}

.stealth-defense-tools-panel {
  border: 1px solid #e2e7ee;
  border-radius: 12px;
  background: #fcfdff;
  padding: 1.2rem;
  margin-bottom: 3.2rem;
}

.stealth-defense-tools-list {
  margin: 0;
}

.stealth-defense-tools-list li {
  margin-bottom: 0.9rem;
}

.stealth-defense-tools-list li:last-child {
  margin-bottom: 0;
}

#donation_text_2 { display: flex; align-items: center; }

/* =========================================================
   Paper component (make it shrink on mobile)
   ========================================================= */
@import url("https://fonts.googleapis.com/css?family=Roboto:400,400i,700");
@import url("https://fonts.googleapis.com/css2?family=Patrick+Hand&display=swap");

.paper {
  font-family: "Patrick Hand", cursive;
  position: relative;
  line-height: 25px;
  box-sizing: border-box;
  width: min(100%, 425px);
  height: auto;
  background-color: white;
  margin: 2em 0 0 0;
  box-shadow: 0px 0px 3px 1px rgba(0, 0, 0, 0.2);
}

.paper .lines {
  top: 0;
  position: relative;
  box-sizing: border-box;
  min-height: 320px;
  padding-right: 8px;
  padding-left: 56px;
  padding-top: 25px;
  background-image: repeating-linear-gradient(
    white 0px,
    white 23.5px,
    steelblue 25px
  );
  line-height: 25px;
}

.paper .lines ul {
  margin: 0;
  padding: 0;
  list-style-position: inside;
  list-style: disc;
}

.paper .lines li {
  margin: 0;
  padding: 0;
  line-height: 25px;
  transform: translateY(-1px);
}

.paper .holes {
  position: absolute;
  height: 100%;
  width: 48px;
  top: 0;
  left: 0;
}

.paper .holes .hole {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: gainsboro;
  left: 12.5px;
  box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.2) inset;
}
.paper .holes .hole:nth-child(1) { top: 90px; }
.paper .holes .hole:nth-child(2) { top: 262.5px; }

/* =========================================================
   Tables used in guides
   ========================================================= */
.basic-utility-node-routing-privacy-div--desktop {
  font-family: Arial, sans-serif;
  background-color: #f7f9fb;
  padding: 2rem;
}

.basic-utility-node-stage-3-1-routing-table--desktop {
  width: 100%;
  margin: 0 auto;
  border-collapse: collapse;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.basic-utility-node-stage-3-1-routing-table-header--desktop,
.basic-utility-node-stage-3-1-routing-table-header--mobile {
  background-color: #1e90ff;
  color: white;
}

.routing-row:nth-child(even) { background-color: #f2f6fa; }
.routing-row:hover { background-color: #e6f1ff; }

.routing-cell {
  padding: 16px;
  text-align: left;
}

/* Mobile: reduce padding so it fits */
@media (max-width: 599px) {
  .routing-cell { padding: 10px; }
}

.routing-cell.yes { color: #008000; font-weight: bold; }
.routing-cell.no  { color: #cc0000; font-weight: bold; }

#bu1_privacy_table {
  border-collapse: collapse;
  width: 100%;
  max-width: 900px;
  margin: auto;
}
#bu1_privacy_table th,
#bu1_privacy_table td {
  border: 1px solid #aaa;
  padding: 10px;
  text-align: left;
}
#bu1_privacy_table th { background-color: #f0f0f0; }
#bu1_privacy_table tr:nth-child(even) td { background-color: #fafafa; }
#bu1_privacy_table caption { font-weight: bold; margin-bottom: 10px; font-size: 1.2em; }

.seed-backup-comparison-table {
  border-collapse: collapse;
  width: 100%;
  margin-top: 1em;
  margin-bottom: 2.5em;
  font-family: system-ui, sans-serif;
  font-size: 15px;
}
.seed-backup-comparison-table th,
.seed-backup-comparison-table td {
  border: 1px solid #ccc;
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
.seed-backup-comparison-table th { background-color: #f8f8f8; font-weight: bold; }
.seed-backup-comparison-table tr:nth-child(even) { background-color: #fafafa; }

/* =========================================================
   Guide images
   ========================================================= */

/* Portrait grids: mobile 2 per row, tablet 3, desktop 5-ish */
.guide-div-image-container--portrait,
.guide-div-image-container--portrait--multi {
  text-align: left;
  overflow-x: hidden;
}

.guide-div-image-container--portrait img {
  width: 48%;
  height: auto;
  display: inline-block;
}

.guide-div-image-container--portrait--multi {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-start;
}
.guide-div-image-container--portrait--multi img {
  flex: 0 1 48%;
  max-width: 48%;
  height: auto;
}

/* Desktop images: mobile should be 100% width */
.guide-div-image-container--desktop {
  display: block;
  overflow-x: hidden;
  width: 100%;
}
.guide-div-image-container--desktop img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
}

.guide-div-image-container--desktop--citation {
  overflow-x: hidden;
  width: 100%;
  height: auto;
  display: block;
}

.guide-div-image-container--desktop--double {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
}
.guide-div-image-container--desktop--double img {
  width: 100%;
  height: auto;
}

.figure-no-indent {
  margin: 0;
  padding: 0;
  display: table;
  margin-left: auto;
  margin-right: auto;
}
.figure-no-indent figcaption {
  font-size: 0.9em;
  margin: 0;
  padding: 0;
  text-align: left;
}
.figure-no-indent img { display: block; }

.responsive-figure-img.figure-8-small {
  width: min(100%, 336px);
  max-width: 336px;
  margin-left: auto;
  margin-right: auto;
  display: block;
}

/* =========================================================
   Comparison boxes
   ========================================================= */
.comparison-container {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.comparison-box {
  flex: 1;
  min-width: 260px;
  padding: 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
}
.comparison-box h4 { margin-top: 0; color: #333; }
.comparison-box ul { padding-left: 1.2rem; list-style-type: disc; }

/* =========================================================
   Why Bitcoin
   ========================================================= */
.header-why-bitcoin-navigation {
  min-height: 100vh;
  width: 100%;
  background-position: center;
  background-size: cover;
  position: relative;
  background-image: linear-gradient(rgba(4, 29, 30, 0.242), rgba(4, 9, 30, 0.479));
  overflow: hidden;
}

.background-image-navigation { width: 100%; height: auto; }

.why-bitcoin-navigation-button-div {
  display: grid;
  grid-template-columns: 1fr; /* mobile: single column */
  justify-items: center;
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translateX(-50%);
  margin: 1.5em 0 0 0;
  gap: 1rem;
}

.hero-button-why-bitcoin {
  display: inline-flex;
  text-decoration: none;
  color: var(--secondary-text-color);
  border: 1px solid #fff;
  padding: 12px 18px;
  font-size: 13px;
  background: transparent;
  cursor: pointer;
  width: min(92vw, 360px);
  height: auto;
  min-height: 72px;
  text-align: center;
  justify-content: center;
  align-items: center;
  border-radius: 5px;
  margin: 0;
}

.hero-button-why-bitcoin:hover {
  border: 1px solid #329239;
  background: #329239;
  transition: 1s;
}

.text-box-why-bitcoin-navigation {
  width: min(92%, 900px);
  color: var(--secondary-text-color);
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.text-box-why-bitcoin-navigation p {
  margin: 10px 0 20px;
  font-size: 14px;
  color: var(--secondary-text-color);
}

#why_bitcoin_the_qualities_of_money_table_1 {
  border: 3px solid black;
  width: 100%;
  border-collapse: collapse;
  color: var(--primary-text-color);
}

.image-container-why-bitcoin {
  display: flex;
  box-sizing: border-box;
  width: 100%;
  height: auto;
  overflow: hidden;
  position: relative;
}
.image-container-why-bitcoin img {
  object-fit: cover;
  width: 100%;
  height: auto;
}

.why-bitcoin-the-qualities-of-money-table-1-high-cell { background-color: green; }
.why-bitcoin-the-qualities-of-money-table-1-mid-cell  { background-color: rgb(249, 218, 147); }
.why-bitcoin-the-qualities-of-money-table-1-low-cell  { background-color: red; }

.why-bitcoin-the-qualities-of-money-table-1-content-td,
.why-bitcoin-the-qualities-of-money-table-1-term-td {
  border: 1px solid black;
  width: 25%;
  padding: 0.5em;
}

/* =========================================================
   Breakpoints
   ========================================================= */

/* Tablet */
@media (min-width: 600px) {
  .table-desktop { display: table; }
  .table-mobile  { display: none; }

  .two-column-container-div {
    flex-direction: row;
    align-items: flex-start;
  }

  .power-defense-intro-card {
    flex-direction: row;
    justify-content: space-between;
  }

  .power-defense-intro-icon {
    align-self: flex-start;
  }

  .stealth-defense-intro-card {
    flex-direction: row;
    justify-content: space-between;
  }

  .stealth-defense-intro-icon-group {
    align-self: flex-start;
  }

  .donation-div {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
  }

  .equal-height-columns {
    align-items: stretch;
  }

  .two-column-image-container img { padding-left: 0; }

  .guide-div-image-container--portrait img { width: 30%; }
  .guide-div-image-container--portrait--multi img {
    flex: 0 1 30%;
    max-width: 30%;
  }

  .guide-div-image-container--desktop--double img {
    width: 48%;
  }

  .why-bitcoin-navigation-button-div {
    grid-template-columns: repeat(2, 1fr);
  }

  .index-section-vision-div-left-h3,
  .index-section-vision-div-right-text {
    flex-basis: 48%;
  }

  .index-section-vision-div-left-h3 { padding-left: 2rem; }
}

/* Desktop: restore your original layout + sizes */
@media (min-width: 1024px) {
  /* Guide desktop layout exactly like your original */
  .basic-utility-guide-navbar,
  .guide-navbar {
    transform: none;
    width: var(--guide-nav-width-desktop);
    height: 100vh;
  }

  .basic-utility-guide-main,
  .guide-main-content {
    margin-left: var(--guide-nav-width-desktop);
    padding: 10rem 30rem; /* original */
  }

  .menu-toggle { display: none; }
  .nav-backdrop { display: none !important; }

  /* Restore image sizing like your original */
  .guide-div-image-container--desktop img { width: 60%; }
  .guide-div-image-container--desktop--citation { width: 60%; }

  .guide-div-image-container--portrait img { width: 18%; }
  .guide-div-image-container--portrait--multi img {
    flex: 0 1 18%;
    max-width: 18%;
  }

  .guide-div-image-container--desktop--double img { width: 45%; }

  /* Restore why-bitcoin button grid */
  .why-bitcoin-navigation-button-div {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Restore your index vision padding-left behavior */
  .index-section-vision-div-left-h3 { padding-left: 10rem; }
}


/* =========================================================
   NAV FIX PACK (paste at END of your CSS file)
   ========================================================= */

/* Buttons exist but are hidden by default (desktop-safe) */
.menu-toggle-top,
.menu-toggle-guide {
  display: none;
  border: none;
  cursor: pointer;
  font-size: 2rem;
  background: #fff;
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  box-shadow: 0 0 5px rgba(0,0,0,0.2);
  z-index: 2000;
}

/* Put them in consistent places */
.menu-toggle-top {
  /* inside header nav */
  position: relative;
  margin-left: 1rem;
}

.menu-toggle-guide {
  /* fixed for guide pages */
  position: fixed;
  top: 1rem;
  left: 1rem;
}

/* Backdrop for guide sidebar */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 1500;
}

/* MOBILE/TABLET ONLY */
@media (max-width: 1023px) {

  /* Show hamburgers only on mobile/tablet */
  .menu-toggle-top,
  .menu-toggle-guide {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* =========================
     TOP NAV (index/glossary/etc)
     ========================= */

  /* Make header a positioning context */
  .index-header-nav,
  .header-nav,
  #why_bitcoin_header_nav {
    position: relative;
  }

  /* Hide the link list by default */
  .index-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    width: min(80vw, 320px);
    background: #fff;
    box-shadow: 0 10px 25px rgba(0,0,0,0.18);
    padding: 0.8rem;
    border-radius: 10px;
    margin: 0.6rem;
    z-index: 1800;
    text-align: left;
  }

  body.topnav-open .index-nav-links {
    display: block;
  }

  .index-nav-links > ul {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0;
    margin: 0;
  }

  .index-nav-links > ul > li {
    display: block;
    padding: 0;
  }

  .index-nav-links > ul > li > a {
    display: block;
    padding: 1rem 0.8rem;
    border-radius: 8px;
  }

  .nav-submenu {
    position: static;
    display: block;
    background: transparent;
    box-shadow: none;
    padding: 0 0 0.4rem;
  }

  .nav-submenu::before {
    clip-path: inset(0 0 0 0);
    animation: none;
  }

  .nav-submenu a {
    padding: 0.6rem 0.8rem 0.6rem 1.6rem;
    font-size: 1.3em;
  }


  /* =========================
     GUIDE SIDEBAR (off-canvas)
     ========================= */

  /* Only on mobile/tablet do we move the sidebar off-canvas */
  .guide-navbar,
  .basic-utility-guide-navbar {
    width: min(80vw, 320px);
    transform: translateX(-110%);
    transition: transform 0.25s ease;
    z-index: 1600;
  }

  body.guide-nav-open .guide-navbar,
  body.guide-nav-open .basic-utility-guide-navbar {
    transform: translateX(0);
  }

  /* Main content should not be pushed right on mobile */
  .guide-main-content,
  .basic-utility-guide-main {
    margin-left: 0 !important;
    padding: 2rem 1.6rem !important;
  }
}

/* DESKTOP ONLY: force guide layout exactly like your original */
@media (min-width: 1024px) {
  .guide-navbar,
  .basic-utility-guide-navbar {
    transform: none !important;
    width: 22%;
  }

  .guide-main-content,
  .basic-utility-guide-main {
    margin-left: 22% !important;
      padding: 10rem clamp(4rem, 16vw, 30rem);
  }

  /* Make extra sure no hamburgers appear */
  .menu-toggle-top,
  .menu-toggle-guide {
    display: none !important;
  }

  /* Backdrop never on desktop */
  .nav-backdrop {
    display: none !important;
  }
}
/* --- Backdrop override (important) --- */
.nav-backdrop {
  display: block; /* override older 'display:none' */
}
.nav-backdrop[hidden] {
  display: none !important;
}
/* Fix buttons overflowing / shifting on mobile */
.hero-button-index,
.index-landing-hero-button,
.index-mission-hero-button {
  box-sizing: border-box;
  max-width: 92vw;
  margin-left: auto;
  margin-right: auto;
}

.stage-2-topic-list {
  font-size: 1.7em;
}

.advantage-box,
.disadvantage-box {
  border: 3px solid transparent;
  border-radius: 12px;
  padding: 16px 18px;
}

.advantage-box {
  border-color: #2ecc71;
}

.disadvantage-box {
  border-color: #e74c3c;
}

.equal-height-columns .text-two-column-div {
  display: flex;
  flex-direction: column;
}

.opsec-list {
  font-size: 1.3em;
}

.key-points-callout {
  border: 2px solid #1b3a57;
  border-left: 8px solid var(--bitcoin-color);
  border-radius: 14px;
  background: #f7fafc;
  padding: 1.2rem 1.4rem;
  margin: 1.4rem 0 1.6rem;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

.key-points-callout h4 {
  margin: 0 0 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1.1rem;
}

.key-points-callout .opsec-list {
  margin: 0;
  padding-left: 1.2em;
  font-size: 1.1em;
}

.opsec-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  margin-top: 1.2rem;
}

.opsec-card {
  background: #f7f9fc;
  border: 1px solid #d6dbe3;
  border-left: 6px solid #1b3a57;
  border-radius: 14px;
  padding: 1.4rem 1.6rem;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.08);
}

.stage-3-callout {
  background: #fff5e6;
  border: 1px solid #f4d7a3;
  border-left: 6px solid #f39c12;
  border-radius: 12px;
  padding: 1rem 1.2rem;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
  margin-bottom: 2.2rem;
}

.stage-3-callout p {
  margin-block: 0;
}

.stage-3-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 1.6rem;
}

.stage-3-card {
  background: #f8fafc;
  border: 1px solid #dbe3ec;
  border-radius: 14px;
  padding: 1.4rem 1.6rem;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.08);
}

.stage-3-card h3 {
  margin-block: 0 0.75rem;
}

.stage-3-heading-small {
  font-size: 1.05em;
}

.stage-3-card .content-ul {
  margin-block: 0 1rem;
}

.stage-3-outcome {
  margin-block: 0.6rem 0;
  font-size: 2rem;
  color: #5a6672;
}

.stage-4-2-setups-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  margin: 1rem 0 3rem;
}

.stage-4-2-setup-card {
  border: 1px solid #dbe3ec;
  border-left: 6px solid #8a8a8a;
  border-radius: 14px;
  padding: 1.4rem 1.5rem;
  background: #f8fafc;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.08);
}

.stage-4-2-setup-card h4 {
  margin: 0 0 0.45rem;
}

.stage-4-2-setup-subtitle {
  margin: 0 0 1rem;
  color: #4b5763;
  font-size: 1.8rem;
}

.stage-4-2-setup-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.stage-4-2-setup-list li {
  margin: 0 0 0.55rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid #dfe5ec;
  border-radius: 8px;
  background: #ffffff;
}

.stage-4-2-setup-list li:last-child {
  margin-bottom: 0;
}

.stage-4-2-setup-card--full {
  border-left-color: #f39c12;
  background: #fff8ef;
}

.stage-4-2-setup-card--split-passphrase {
  border-left-color: #2f8f58;
  background: #f4fbf7;
}

.stage-4-2-setup-card--split-core {
  border-left-color: #2b6cb0;
  background: #f2f8ff;
}

.opsec-card--accent {
  border-left-color: var(--bitcoin-color);
}

.opsec-card--action {
  background: #fff6ed;
  border-color: #f2c29f;
  border-left-color: #e98a3c;
}

.opsec-card--action h3 {
  color: #8b3d00;
}

.opsec-card--action ol {
  counter-reset: steps;
}

.opsec-card--action ol li {
  margin-bottom: 0.4rem;
}

.opsec-flow {
  display: grid;
  gap: 1.4rem;
}

.opsec-flow-title {
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.opsec-flow-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  align-items: center;
}

.opsec-flow-step {
  position: relative;
  background: #fff;
  border: 1px solid #f2c29f;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.95em;
}

.opsec-flow-step::after {
  content: "→";
  position: absolute;
  right: -1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: #e98a3c;
  font-weight: 700;
}

.opsec-flow-step:last-child::after {
  content: "";
}

.opsec-card--wide {
  grid-column: 1 / -1;
}

.opsec-card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 1.5rem;
}

.opsec-card p {
  margin-bottom: 0;
}

.opsec-card ul,
.opsec-card ol {
  margin: 0;
  padding-left: 1.2em;
}

@media (min-width: 900px) {
  .opsec-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stage-4-2-setups-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.inline-icon {
  width: 36px;
  height: 36px;
  vertical-align: -5px;
  margin-left: 8px;
}