:root {
  --guide-ink: #211c15;
  --guide-muted: #686157;
  --guide-faint: #8b8378;
  --guide-paper: #f2f5f0;
  --guide-white: #fff;
  --guide-panel: #e7eeea;
  --guide-cyan: #0a7682;
  --guide-cyan-dark: #065660;
  --guide-cyan-pale: #d8ecee;
  --guide-amber: #a76b11;
  --guide-amber-pale: #f7e9c9;
  --guide-red: #ad3d4e;
  --guide-violet: #6d4db3;
  --guide-line: rgba(33, 28, 21, 0.14);
  --guide-line-strong: rgba(33, 28, 21, 0.28);
  --guide-shadow: 0 30px 70px rgba(40, 49, 42, 0.1);
  --guide-max: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body.decision-guide {
  margin: 0;
  background:
    radial-gradient(circle at 10% 8%, rgba(10, 118, 130, 0.11), transparent 30rem),
    radial-gradient(circle at 90% 20%, rgba(167, 107, 17, 0.1), transparent 26rem),
    var(--guide-paper);
  color: var(--guide-ink);
  font-family: "Geist", sans-serif;
  line-height: 1.65;
  overflow-x: clip;
}

.decision-guide a {
  color: inherit;
}

.decision-guide em {
  color: var(--guide-cyan);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--guide-ink);
  color: white !important;
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.guide-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--guide-line);
  background: rgba(255, 255, 255, 0.91);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.guide-nav-inner {
  width: min(var(--guide-max), calc(100% - 40px));
  height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 34px;
}

.guide-nav .brand,
.guide-footer .brand {
  flex: 0 0 auto;
}

.guide-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.guide-nav-links a {
  color: var(--guide-muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.guide-nav-links a:hover,
.guide-nav-links a:focus-visible {
  color: var(--guide-cyan);
}

.guide-nav-cta {
  margin-left: auto;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--guide-ink);
  color: white !important;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease;
}

.guide-nav-cta:hover {
  background: var(--guide-cyan-dark);
  transform: translateY(-1px);
  text-decoration: none;
}

.guide-hero {
  width: min(var(--guide-max), calc(100% - 40px));
  margin: 0 auto;
  padding: 90px 0 54px;
}

.guide-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(330px, 0.72fr);
  gap: clamp(42px, 7vw, 92px);
  align-items: center;
}

.guide-kicker {
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--guide-cyan-dark);
  font: 700 12px/1.2 "Geist Mono", monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.guide-kicker span {
  width: 28px;
  height: 1px;
  background: currentColor;
}

.guide-hero h1 {
  max-width: 830px;
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: clamp(3.7rem, 7vw, 7.1rem);
  font-weight: 600;
  letter-spacing: -0.065em;
  line-height: 0.92;
}

.guide-hero-line {
  max-width: 760px;
  margin: 22px 0 0;
  font-family: "Fraunces", serif;
  font-size: clamp(1.75rem, 3.5vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.guide-hero-line em {
  font-weight: 500;
}

.guide-hero-lead {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--guide-muted);
  font-size: clamp(1.05rem, 1.5vw, 1.26rem);
  line-height: 1.72;
}

.guide-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.guide-button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 17px;
  border: 1px solid var(--guide-line-strong);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.guide-button:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.guide-button-primary {
  border-color: var(--guide-cyan-dark);
  background: var(--guide-cyan-dark);
  color: white !important;
}

.guide-button-primary:hover {
  background: var(--guide-cyan);
}

.guide-button-quiet {
  background: rgba(255, 255, 255, 0.6);
}

.guide-button-quiet:hover {
  border-color: var(--guide-cyan);
}

.guide-button .material-symbols-rounded {
  font-size: 19px;
}

.guide-review-note {
  margin: 18px 0 0;
  color: var(--guide-faint);
  font: 500 12px/1.5 "Geist Mono", monospace;
}

.fit-check {
  position: relative;
  padding: 30px;
  border: 1px solid var(--guide-line-strong);
  border-radius: 8px 8px 36px 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.93), rgba(227, 239, 233, 0.92));
  box-shadow: var(--guide-shadow);
}

.fit-check::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(10, 118, 130, 0.24);
  border-radius: 4px 4px 28px 4px;
  pointer-events: none;
}

.fit-check > * {
  position: relative;
}

.fit-check-label {
  margin: 0;
  color: var(--guide-cyan-dark);
  font: 700 11px/1.2 "Geist Mono", monospace;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.fit-check h2 {
  margin: 10px 0 22px;
  font-family: "Fraunces", serif;
  font-size: 1.8rem;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.fit-check ul {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  list-style: none;
}

.fit-check li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 11px;
  align-items: start;
  color: var(--guide-muted);
  font-size: 14px;
  line-height: 1.5;
}

.fit-check-box {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border: 1.5px solid var(--guide-cyan);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.75);
}

.fit-check-result {
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--guide-line);
  color: var(--guide-muted);
  font-size: 13px;
}

.fit-check-result strong {
  display: block;
  margin-bottom: 4px;
  color: var(--guide-ink);
}

.memory-loop {
  margin-top: 70px;
  display: grid;
  grid-template-columns: 170px 1fr;
  border-top: 1px solid var(--guide-line-strong);
  border-bottom: 1px solid var(--guide-line-strong);
}

.memory-loop-intro {
  padding: 24px 22px 24px 0;
  border-right: 1px solid var(--guide-line-strong);
}

.memory-loop-intro span {
  color: var(--guide-cyan-dark);
  font: 700 11px/1.2 "Geist Mono", monospace;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.memory-loop-intro p {
  margin: 7px 0 0;
  color: var(--guide-muted);
  font-size: 13px;
}

.memory-loop ol {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  list-style: none;
}

.memory-loop li {
  min-width: 0;
  padding: 22px 15px;
  border-right: 1px solid var(--guide-line);
}

.memory-loop li:last-child {
  border-right: 0;
}

.memory-loop li span {
  display: block;
  margin-bottom: 12px;
  color: var(--guide-faint);
  font: 600 10px/1 "Geist Mono", monospace;
}

.memory-loop li strong,
.memory-loop li small {
  display: block;
}

.memory-loop li strong {
  font-family: "Fraunces", serif;
  font-size: 1.05rem;
}

.memory-loop li small {
  margin-top: 5px;
  color: var(--guide-muted);
  font-size: 11px;
  line-height: 1.35;
}

.guide-shell {
  width: min(var(--guide-max), calc(100% - 40px));
  margin: 60px auto 0;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(46px, 6vw, 86px);
  align-items: start;
}

.guide-index {
  position: sticky;
  top: 96px;
  padding: 20px 0 24px;
  border-top: 2px solid var(--guide-ink);
  border-bottom: 1px solid var(--guide-line-strong);
}

.guide-index > p {
  margin: 0 0 15px;
  font: 700 11px/1.2 "Geist Mono", monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.guide-index nav {
  display: grid;
  gap: 1px;
}

.guide-index nav a {
  position: relative;
  padding: 6px 8px 6px 14px;
  border-radius: 5px;
  color: var(--guide-muted);
  font-size: 13px;
  line-height: 1.35;
  text-decoration: none;
}

.guide-index nav a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--guide-line-strong);
  transform: translateY(-50%);
}

.guide-index nav a:hover,
.guide-index nav a.is-active {
  background: white;
  color: var(--guide-ink);
}

.guide-index nav a.is-active::before {
  background: var(--guide-cyan);
  box-shadow: 0 0 0 4px rgba(10, 118, 130, 0.12);
}

.index-download {
  display: block;
  margin-top: 18px;
  padding: 10px 12px;
  border-radius: 7px;
  background: var(--guide-ink);
  color: white !important;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.guide-article {
  min-width: 0;
}

.guide-chapter {
  margin-bottom: 130px;
}

.chapter-heading {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  align-items: start;
  margin-bottom: 34px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--guide-line-strong);
}

.chapter-number {
  padding-top: 8px;
  color: var(--guide-cyan-dark);
  font: 600 13px/1 "Geist Mono", monospace;
}

.chapter-kicker {
  margin: 0 0 5px;
  color: var(--guide-faint);
  font: 700 11px/1.2 "Geist Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chapter-heading h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: clamp(2.25rem, 5vw, 4.3rem);
  font-weight: 600;
  line-height: 1.01;
  letter-spacing: -0.05em;
}

.guide-article > section > p,
.guide-article .chapter-lead {
  max-width: 780px;
  color: var(--guide-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.chapter-lead {
  margin: 0 0 30px;
}

.definition-card {
  margin: 0 0 30px;
  padding: 28px 30px;
  border-left: 5px solid var(--guide-cyan);
  background: white;
  box-shadow: 0 18px 40px rgba(36, 47, 39, 0.07);
}

.definition-card p {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.not-this-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--guide-line);
  background: var(--guide-line);
}

.not-this-grid > div {
  padding: 26px;
  background: rgba(255, 255, 255, 0.8);
}

.not-this-grid .material-symbols-rounded {
  color: var(--guide-cyan);
  font-size: 25px;
}

.not-this-grid h3 {
  margin: 18px 0 8px;
  font-family: "Fraunces", serif;
  font-size: 1.25rem;
}

.not-this-grid p {
  margin: 0;
  color: var(--guide-muted);
  font-size: 14px;
}

.plain-callout {
  margin-top: 26px;
  display: flex;
  gap: 18px;
  padding: 22px 24px;
  border: 1px solid rgba(167, 107, 17, 0.25);
  border-radius: 8px;
  background: var(--guide-amber-pale);
}

.plain-callout .material-symbols-rounded {
  flex: 0 0 auto;
  color: var(--guide-amber);
  font-size: 26px;
}

.plain-callout strong {
  display: block;
  margin-bottom: 4px;
}

.plain-callout p {
  margin: 0;
  color: #6e542c;
  font-size: 14px;
}

.problem-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.problem-card {
  min-height: 290px;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--guide-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.problem-card:hover {
  border-color: rgba(10, 118, 130, 0.45);
  box-shadow: 0 16px 40px rgba(41, 52, 44, 0.07);
  transform: translateY(-3px);
}

.problem-id {
  color: var(--guide-cyan-dark);
  font: 700 11px/1.2 "Geist Mono", monospace;
}

.problem-card h3 {
  margin: 0 0 10px;
  font-family: "Fraunces", serif;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.problem-card p {
  margin: 0 0 13px;
  color: var(--guide-muted);
  font-size: 14px;
}

.problem-card strong {
  display: block;
  margin-top: 17px;
  color: var(--guide-cyan-dark);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.journey {
  position: relative;
  display: grid;
  gap: 0;
}

.journey::before {
  content: "";
  position: absolute;
  top: 22px;
  bottom: 22px;
  left: 25px;
  width: 1px;
  background: var(--guide-line-strong);
}

.journey article {
  position: relative;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 24px;
  padding: 0 0 38px;
}

.journey-number {
  position: relative;
  z-index: 1;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid var(--guide-cyan);
  border-radius: 50%;
  background: var(--guide-paper);
  color: var(--guide-cyan-dark);
  font: 700 11px/1 "Geist Mono", monospace;
}

.journey h3 {
  margin: 1px 0 7px;
  font-family: "Fraunces", serif;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.journey p {
  max-width: 760px;
  margin: 0;
  color: var(--guide-muted);
  font-size: 15px;
}

.source-priority {
  margin-top: 12px;
  padding: 28px;
  border-radius: 8px 8px 34px 8px;
  background: var(--guide-ink);
  color: white;
}

.source-priority-label {
  margin: 0 0 18px;
  color: #9ed4d8;
  font: 700 11px/1.2 "Geist Mono", monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.source-priority ol {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  list-style: none;
}

.source-priority li {
  padding: 18px;
  background: var(--guide-ink);
}

.source-priority li span {
  display: block;
  margin-bottom: 8px;
  color: #9ed4d8;
  font: 700 11px/1 "Geist Mono", monospace;
}

.source-priority li strong {
  font-family: "Fraunces", serif;
  font-size: 1.05rem;
  line-height: 1.25;
}

.source-priority > p:last-child {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
}

.persona-stories {
  display: grid;
  gap: 14px;
}

.persona-stories article {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 22px;
  padding: 26px;
  border: 1px solid var(--guide-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.persona-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--guide-cyan-pale);
  color: var(--guide-cyan-dark);
}

.persona-icon .material-symbols-rounded {
  font-size: 27px;
}

.persona-label {
  margin: 0 0 5px !important;
  color: var(--guide-cyan-dark) !important;
  font: 700 11px/1.2 "Geist Mono", monospace !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.persona-stories h3 {
  margin: 0 0 12px;
  font-family: "Fraunces", serif;
  font-size: 1.45rem;
  letter-spacing: -0.025em;
}

.persona-stories p {
  margin: 7px 0 0;
  color: var(--guide-muted);
  font-size: 14px;
}

.status-legend {
  margin-bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  color: var(--guide-muted);
  font-size: 12px;
}

.status-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-core {
  background: var(--guide-cyan);
}

.status-limited {
  background: var(--guide-amber);
}

.status-foundation {
  background: var(--guide-violet);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--guide-line-strong);
  border-radius: 8px;
  background: white;
  -webkit-overflow-scrolling: touch;
}

.guide-table {
  width: 100%;
  min-width: 740px;
  border-collapse: collapse;
  text-align: left;
}

.guide-table th,
.guide-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--guide-line);
  vertical-align: top;
  font-size: 13px;
  line-height: 1.5;
}

.guide-table thead th {
  background: var(--guide-panel);
  color: var(--guide-ink);
  font: 700 11px/1.3 "Geist Mono", monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.guide-table tbody th {
  width: 27%;
  font-weight: 700;
}

.guide-table tbody td {
  color: var(--guide-muted);
}

.guide-table tr:last-child th,
.guide-table tr:last-child td {
  border-bottom: 0;
}

.status-pill {
  display: inline-block;
  padding: 5px 8px;
  border-radius: 999px;
  white-space: nowrap;
  font: 700 10px/1 "Geist Mono", monospace;
}

.status-pill-core {
  background: var(--guide-cyan-pale);
  color: var(--guide-cyan-dark);
}

.status-pill-limited {
  background: var(--guide-amber-pale);
  color: #755019;
}

.status-pill-foundation {
  background: #ebe3fa;
  color: #573995;
}

.tool-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.tool-cards article {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 17px;
  padding: 24px;
  border: 1px solid var(--guide-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.tool-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 5px 5px 17px 5px;
  background: var(--guide-ink);
  color: white;
  font-family: "Fraunces", serif;
  font-size: 1.4rem;
}

.tool-cards h3 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: 1.45rem;
}

.tool-cards p {
  margin: 7px 0 0;
  color: var(--guide-muted);
  font-size: 14px;
}

.tool-question {
  color: var(--guide-cyan-dark) !important;
  font-weight: 700;
}

.boundary-card {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 24px;
  border: 1px solid rgba(10, 118, 130, 0.3);
  border-radius: 8px;
  background: var(--guide-cyan-pale);
}

.boundary-card > .material-symbols-rounded {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: white;
  color: var(--guide-cyan-dark);
}

.boundary-card h3 {
  margin: 0 0 5px;
  font-family: "Fraunces", serif;
  font-size: 1.35rem;
}

.boundary-card p {
  margin: 0;
  color: #315e61;
  font-size: 14px;
}

.durability-stack {
  display: grid;
  gap: 12px;
}

.durability-card {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 22px;
  padding: 26px;
  border: 1px solid var(--guide-line);
  border-radius: 8px;
  background: white;
}

.durability-level {
  align-self: start;
  padding: 7px 9px;
  border-radius: 4px;
  background: var(--guide-panel);
  color: var(--guide-muted);
  text-align: center;
  font: 700 11px/1 "Geist Mono", monospace;
}

.durability-card h3 {
  margin: 0 0 7px;
  font-family: "Fraunces", serif;
  font-size: 1.55rem;
}

.durability-card p {
  margin: 0;
  color: var(--guide-muted);
  font-size: 14px;
}

.durability-card div:last-child > span {
  display: inline-block;
  margin-top: 14px;
  color: var(--guide-cyan-dark);
  font: 700 11px/1 "Geist Mono", monospace;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.durability-media {
  border-left: 6px solid var(--guide-cyan);
}

.durability-knowledge {
  border-left: 6px solid var(--guide-amber);
}

.durability-link {
  border-left: 6px solid var(--guide-faint);
}

.durability-rule {
  margin: 18px 0 0 !important;
  padding: 16px 20px;
  border-radius: 7px;
  background: var(--guide-ink);
  color: white !important;
  font-size: 14px !important;
}

.first-choice-list {
  display: grid;
  gap: 1px;
  border-top: 1px solid var(--guide-line-strong);
  border-bottom: 1px solid var(--guide-line-strong);
  background: var(--guide-line);
}

.first-choice-list article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 24px 4px;
  background: var(--guide-paper);
}

.first-choice-list article > span {
  padding-top: 5px;
  color: var(--guide-cyan-dark);
  font: 700 11px/1 "Geist Mono", monospace;
}

.first-choice-list h3 {
  margin: 0 0 6px;
  font-family: "Fraunces", serif;
  font-size: 1.35rem;
}

.first-choice-list p {
  margin: 0;
  color: var(--guide-muted);
  font-size: 14px;
}

.comparison-heading {
  margin: 52px 0 18px;
  font-family: "Fraunces", serif;
  font-size: 1.65rem;
}

.decision-memory-row th,
.decision-memory-row td {
  background: rgba(216, 236, 238, 0.42);
}

.anti-fit {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.anti-fit article {
  min-height: 210px;
  padding: 24px;
  border: 1px solid rgba(173, 61, 78, 0.22);
  border-radius: 8px;
  background: rgba(255, 250, 249, 0.84);
}

.anti-fit .material-symbols-rounded {
  color: var(--guide-red);
  font-size: 26px;
}

.anti-fit h3 {
  margin: 18px 0 7px;
  font-family: "Fraunces", serif;
  font-size: 1.25rem;
  line-height: 1.25;
}

.anti-fit p {
  margin: 0;
  color: var(--guide-muted);
  font-size: 14px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.trust-grid article {
  min-height: 230px;
  padding: 23px;
  border: 1px solid var(--guide-line);
  border-radius: 8px;
  background: white;
}

.trust-grid .material-symbols-rounded {
  color: var(--guide-cyan);
  font-size: 27px;
}

.trust-grid h3 {
  margin: 18px 0 7px;
  font-family: "Fraunces", serif;
  font-size: 1.2rem;
}

.trust-grid p {
  margin: 0;
  color: var(--guide-muted);
  font-size: 13px;
}

.privacy-questions {
  margin-top: 22px;
  padding: 28px;
  border-radius: 8px 8px 34px 8px;
  background: var(--guide-ink);
  color: white;
}

.privacy-questions h3 {
  margin: 0 0 16px;
  font-family: "Fraunces", serif;
  font-size: 1.55rem;
}

.privacy-questions ul {
  margin: 0 0 18px;
  padding-left: 20px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.privacy-questions a {
  color: #9ed4d8;
  font-size: 14px;
  font-weight: 700;
}

.plan-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.plan-guide-card {
  position: relative;
  padding: 30px;
  border: 1px solid var(--guide-line-strong);
  border-radius: 8px 8px 34px 8px;
  background: white;
}

.plan-guide-pro {
  border-color: var(--guide-cyan);
  background:
    linear-gradient(160deg, white 0%, #eef7f5 100%);
}

.plan-guide-badge {
  position: absolute;
  top: -11px;
  right: 20px;
  margin: 0;
  padding: 6px 9px;
  border-radius: 999px;
  background: var(--guide-cyan-dark);
  color: white;
  font: 700 10px/1 "Geist Mono", monospace;
  text-transform: uppercase;
}

.plan-guide-name {
  margin: 0;
  color: var(--guide-cyan-dark);
  font: 700 12px/1.2 "Geist Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plan-guide-price {
  margin: 14px 0 0;
  font-family: "Fraunces", serif;
  font-size: 3rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.plan-guide-price span {
  color: var(--guide-muted);
  font-family: "Geist", sans-serif;
  font-size: 14px;
}

.plan-guide-year {
  margin: 6px 0 0;
  color: var(--guide-muted);
  font-size: 13px;
}

.plan-guide-for {
  min-height: 62px;
  margin: 20px 0;
  color: var(--guide-muted);
  font-size: 14px;
}

.plan-guide-card ul {
  margin: 0 0 24px;
  padding: 20px 0 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--guide-line);
  list-style: none;
}

.plan-guide-card li {
  position: relative;
  padding-left: 20px;
  color: var(--guide-muted);
  font-size: 13px;
}

.plan-guide-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--guide-cyan);
  font-weight: 800;
}

.plan-guide-card > a {
  display: block;
  padding: 11px 14px;
  border-radius: 6px;
  background: var(--guide-ink);
  color: white;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.plan-guide-pro > a {
  background: var(--guide-cyan-dark);
}

.plan-footnote {
  margin-top: 16px !important;
  color: var(--guide-faint) !important;
  font-size: 12px !important;
}

.guide-faq {
  display: grid;
  gap: 10px;
}

.guide-faq details {
  border: 1px solid var(--guide-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.guide-faq summary {
  position: relative;
  padding: 19px 52px 19px 20px;
  cursor: pointer;
  font-family: "Fraunces", serif;
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.35;
  list-style: none;
}

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

.guide-faq summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 20px;
  color: var(--guide-cyan-dark);
  font: 500 24px/1 "Geist", sans-serif;
  transform: translateY(-50%);
}

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

.guide-faq details[open] summary {
  border-bottom: 1px solid var(--guide-line);
}

.guide-faq details p {
  margin: 0;
  padding: 18px 20px 20px;
  color: var(--guide-muted);
  font-size: 14px;
}

.guide-final {
  width: min(var(--guide-max), calc(100% - 40px));
  margin: 0 auto 80px;
  padding: clamp(34px, 5vw, 62px);
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(470px, 1.15fr);
  gap: 60px;
  align-items: center;
  border-radius: 8px 8px 48px 8px;
  background:
    linear-gradient(130deg, #191510 0%, #243d3d 100%);
  color: white;
}

.guide-final .guide-kicker {
  color: #9ed4d8;
}

.guide-final h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: clamp(2.35rem, 5vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.guide-final > div:first-child > p:last-child {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 15px;
}

.download-choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.download-choices a {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px 15px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.06);
  color: white;
  text-decoration: none;
  transition: background 180ms ease, transform 180ms ease;
}

.download-choices a:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.download-choices .material-symbols-rounded {
  width: 34px;
  color: #9ed4d8;
  font-size: 25px;
}

.download-choices span:last-child {
  min-width: 0;
}

.download-choices strong,
.download-choices small {
  display: block;
}

.download-choices strong {
  font-size: 14px;
}

.download-choices small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 11px;
}

.guide-footer {
  border-top: 1px solid var(--guide-line-strong);
  background: white;
}

.guide-footer-main,
.guide-footer-bottom {
  width: min(var(--guide-max), calc(100% - 40px));
  margin: 0 auto;
}

.guide-footer-main {
  padding: 42px 0 34px;
  display: grid;
  grid-template-columns: auto minmax(240px, 1fr) auto;
  gap: 34px;
  align-items: start;
}

.guide-footer-main > p {
  max-width: 430px;
  margin: 3px 0 0;
  color: var(--guide-muted);
  font-size: 13px;
}

.guide-footer-main nav {
  max-width: 430px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
}

.guide-footer-main nav a {
  color: var(--guide-muted);
  font-size: 12px;
}

.guide-footer-bottom {
  padding: 18px 0 24px;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--guide-line);
  color: var(--guide-faint);
  font: 500 11px/1.4 "Geist Mono", monospace;
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 20;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--guide-line-strong);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--guide-ink);
  box-shadow: 0 8px 24px rgba(33, 28, 21, 0.12);
  opacity: 0;
  pointer-events: none;
  text-decoration: none;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  color: var(--guide-cyan);
  text-decoration: none;
}

@media (max-width: 1080px) {
  .guide-hero-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 44px;
  }

  .memory-loop {
    grid-template-columns: 1fr;
  }

  .memory-loop-intro {
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid var(--guide-line-strong);
  }

  .memory-loop ol {
    grid-template-columns: repeat(3, 1fr);
  }

  .memory-loop li:nth-child(3) {
    border-right: 0;
  }

  .memory-loop li:nth-child(-n + 3) {
    border-bottom: 1px solid var(--guide-line);
  }

  .guide-shell {
    grid-template-columns: 205px minmax(0, 1fr);
    gap: 42px;
  }

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

  .guide-final {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  html {
    scroll-padding-top: 76px;
  }

  .guide-nav-inner {
    width: min(100% - 28px, var(--guide-max));
    height: 62px;
  }

  .guide-nav-links {
    display: none;
  }

  .guide-hero {
    width: min(100% - 28px, var(--guide-max));
    padding-top: 56px;
  }

  .guide-hero-grid {
    grid-template-columns: 1fr;
  }

  .guide-hero h1 {
    font-size: clamp(3.2rem, 14vw, 5.8rem);
  }

  .fit-check {
    max-width: 600px;
  }

  .guide-shell {
    width: min(100% - 28px, var(--guide-max));
    grid-template-columns: 1fr;
    margin-top: 30px;
  }

  .guide-index {
    position: static;
    display: none;
  }

  .guide-chapter {
    margin-bottom: 94px;
  }

  .problem-list,
  .tool-cards,
  .anti-fit,
  .plan-guide-grid {
    grid-template-columns: 1fr;
  }

  .problem-card {
    min-height: 0;
  }

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

  .guide-final {
    width: min(100% - 28px, var(--guide-max));
    margin-bottom: 40px;
    padding: 34px 24px;
    gap: 34px;
  }

  .guide-footer-main,
  .guide-footer-bottom {
    width: min(100% - 28px, var(--guide-max));
  }

  .guide-footer-main {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .guide-footer-main nav {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .guide-nav-cta {
    padding: 9px 13px;
    font-size: 12px;
  }

  .guide-hero-actions {
    display: grid;
  }

  .guide-button {
    width: 100%;
  }

  .memory-loop ol {
    grid-template-columns: repeat(2, 1fr);
  }

  .memory-loop li:nth-child(3) {
    border-right: 1px solid var(--guide-line);
  }

  .memory-loop li:nth-child(2n) {
    border-right: 0;
  }

  .memory-loop li:nth-child(-n + 4) {
    border-bottom: 1px solid var(--guide-line);
  }

  .chapter-heading {
    grid-template-columns: 34px 1fr;
    gap: 10px;
  }

  .chapter-heading h2 {
    font-size: clamp(2.25rem, 12vw, 3.35rem);
  }

  .definition-card {
    padding: 22px;
  }

  .not-this-grid,
  .source-priority ol,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .problem-card {
    grid-template-columns: 1fr;
  }

  .journey article {
    grid-template-columns: 46px 1fr;
    gap: 16px;
  }

  .journey::before {
    left: 22px;
  }

  .journey-number {
    width: 46px;
    height: 46px;
  }

  .persona-stories article {
    grid-template-columns: 1fr;
  }

  .durability-card {
    grid-template-columns: 1fr;
  }

  .durability-level {
    width: fit-content;
  }

  .first-choice-list article {
    grid-template-columns: 35px 1fr;
  }

  .plan-guide-for {
    min-height: 0;
  }

  .download-choices {
    grid-template-columns: 1fr;
  }

  .guide-footer-bottom {
    display: grid;
    gap: 7px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .guide-nav,
  .guide-index,
  .guide-final,
  .guide-footer,
  .back-to-top {
    display: none !important;
  }

  body.decision-guide {
    background: white;
  }

  .guide-hero,
  .guide-shell {
    width: 100%;
  }

  .guide-shell {
    display: block;
  }

  .guide-chapter {
    break-inside: avoid;
    margin-bottom: 60px;
  }
}