.guide-page {
  background: var(--white);
}

.guide-page .site-header {
  position: fixed;
}

.guide-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(22rem, 0.74fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
  min-height: 47rem;
  padding-top: 9.5rem;
  padding-bottom: 6rem;
}

.guide-hero h1,
.before-grid h2,
.guide-step h2,
.troubleshooting-heading h2,
.source-inner h2,
.guide-summary h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.06em;
}

.guide-hero h1 {
  max-width: 11ch;
  font-size: clamp(3.8rem, 6.5vw, 6.7rem);
  line-height: 0.92;
}

.guide-hero h1 em {
  display: block;
  color: var(--blue);
  font-style: normal;
  font-weight: 500;
}

.guide-lead {
  max-width: 42rem;
  margin: 1.7rem 0 0;
  color: var(--muted);
  font-size: 1.16rem;
  line-height: 1.7;
}

.guide-lead strong {
  color: var(--blue-ink);
}

.example-note {
  max-width: 42rem;
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  color: var(--muted);
  border-left: 0.28rem solid var(--blue);
  border-radius: 0 0.8rem 0.8rem 0;
  background: var(--blue-wash);
  font-size: 0.88rem;
  line-height: 1.55;
}

.example-note strong {
  color: var(--blue);
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.5rem 0 0;
}

.guide-meta span {
  padding: 0.5rem 0.8rem;
  color: var(--blue);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--blue-wash);
  font-size: 0.78rem;
  font-weight: 700;
}

.guide-summary {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: 3.5rem 3.5rem 3.5rem 1.2rem;
  background: var(--blue-wash);
}

.guide-summary::before {
  content: "";
  position: absolute;
  width: 14rem;
  height: 14rem;
  top: -7rem;
  right: -5rem;
  border: 1.7rem solid var(--blue-pale);
  border-radius: 50%;
}

.account-pair {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 3.4rem;
}

.email-tile,
.google-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 7.5rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.45rem;
  background: var(--white);
  text-align: center;
}

.email-tile {
  flex-direction: column;
  color: var(--blue-ink);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.email-tile span {
  color: var(--muted);
  font-family: "DM Sans", sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
}

.email-tile small {
  margin-bottom: 0.45rem;
  padding: 0.25rem 0.45rem;
  color: var(--blue);
  border-radius: 999px;
  background: var(--blue-pale);
  font-family: "DM Sans", sans-serif;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.google-tile {
  gap: 0.6rem;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  line-height: 1.25;
}

.google-tile b,
.screen-g {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  color: #4285f4;
  border: 1px solid #dce6f5;
  border-radius: 50%;
  font-family: Arial, sans-serif;
  font-size: 1.25rem;
}

.pair-arrow {
  color: var(--blue);
  font-size: 1.4rem;
  font-weight: 700;
}

.guide-summary h2 {
  position: relative;
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1;
}

.guide-summary > p {
  position: relative;
  margin: 1rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.summary-note {
  display: grid;
  gap: 0.25rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.summary-note strong {
  color: var(--blue);
}

.why-section {
  padding: clamp(5rem, 9vw, 9rem) 0 0;
  scroll-margin-top: 6rem;
  background: var(--blue-wash);
}

.why-heading {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: end;
  gap: clamp(3rem, 8vw, 8rem);
}

.why-heading h2,
.difference-heading h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.9rem, 5vw, 5.2rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.why-heading h2 {
  max-width: 12ch;
  color: var(--blue-ink);
}

.why-heading h2 em {
  display: block;
  color: var(--blue);
  font-style: normal;
  font-weight: 500;
}

.why-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.75;
}

.why-intro p + p {
  margin-top: 1rem;
}

.why-intro strong {
  color: var(--blue-ink);
}

.identity-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0.8rem;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(5rem, 9vw, 8rem);
}

.flow-card {
  min-height: 13.5rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: var(--white);
}

.flow-result {
  color: var(--white);
  border-color: var(--blue);
  background: var(--blue);
}

.flow-number {
  display: block;
  margin-bottom: 3.2rem;
  color: var(--blue);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
}

.flow-result .flow-number {
  color: rgba(255, 255, 255, 0.7);
}

.flow-card strong {
  display: block;
  color: var(--blue-ink);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.3rem;
  letter-spacing: -0.035em;
}

.flow-result strong {
  color: var(--white);
}

.flow-card p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.flow-result p {
  color: rgba(255, 255, 255, 0.72);
}

.flow-arrow {
  color: var(--blue);
  font-size: 1.5rem;
  font-weight: 700;
}

.account-difference {
  padding: clamp(3rem, 6vw, 5rem);
  color: var(--white);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background: var(--blue-dark);
}

.difference-heading {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: end;
  gap: 3rem;
}

.difference-heading .eyebrow {
  grid-column: 1 / -1;
}

.difference-heading h2 {
  grid-column: 1 / -1;
  max-width: 13ch;
}

.difference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 3.5rem;
}

.difference-grid article {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  padding: 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.06);
}

.difference-icon {
  display: grid;
  place-items: center;
  width: 3.2rem;
  height: 3.2rem;
  color: var(--blue-dark);
  border-radius: 50% 50% 50% 0.75rem;
  background: var(--white);
  font-family: Arial, sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
}

.mail-icon {
  color: var(--white);
  background: var(--blue);
}

.difference-grid h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.45rem;
  letter-spacing: -0.04em;
}

.difference-grid p {
  margin: 0.45rem 0 0;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.difference-grid strong {
  color: var(--white);
}

.difference-bottom-line {
  margin: 1rem 0 0;
  padding: 1.1rem 1.2rem;
  color: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 1.15rem;
  line-height: 1.65;
}

.difference-bottom-line strong {
  color: var(--white);
}

.light-link {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
}

.light-link:hover,
.light-link:focus-visible {
  border-color: var(--white);
}

.before-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  color: var(--white);
  background: var(--blue);
}

.before-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  align-items: start;
  gap: clamp(3rem, 7vw, 7rem);
}

.before-grid h2 {
  max-width: 8ch;
  font-size: clamp(2.7rem, 4.5vw, 4.8rem);
  line-height: 0.95;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: grid;
  grid-template-columns: 2.7rem 1fr;
  gap: 1rem;
  padding: 1.35rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.check-list li:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.check-list li > span {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  color: var(--blue);
  border-radius: 50% 50% 50% 0.55rem;
  background: var(--white);
  font-weight: 700;
}

.check-list strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.25rem;
}

.check-list p {
  margin: 0.25rem 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.guide-content {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  align-items: start;
  gap: clamp(3rem, 7vw, 7rem);
  padding-top: clamp(5rem, 9vw, 9rem);
  padding-bottom: clamp(5rem, 9vw, 9rem);
}

.guide-toc {
  position: sticky;
  top: 7rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  background: var(--blue-wash);
}

.guide-toc > p {
  margin: 0 0 0.8rem;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.guide-toc ol {
  display: grid;
  gap: 0.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: guide-toc;
}

.guide-toc li {
  counter-increment: guide-toc;
}

.guide-toc a {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: 0.25rem;
  padding: 0.55rem 0;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
}

.guide-toc a::before {
  content: "0" counter(guide-toc);
  color: var(--blue);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.72rem;
}

.guide-toc a:hover,
.guide-toc a:focus-visible {
  color: var(--blue);
}

.steps-list {
  min-width: 0;
}

.guide-step {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  column-gap: 1.4rem;
  scroll-margin-top: 7rem;
  padding: 0 0 5.5rem;
}

.guide-step + .guide-step {
  padding-top: 5.5rem;
  border-top: 1px solid var(--line);
}

.step-number {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  color: var(--blue);
  border: 0.3rem solid var(--blue);
  border-radius: 50% 50% 50% 0.8rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
}

.step-kicker {
  margin: 0 0 0.5rem;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.guide-step h2 {
  max-width: 15ch;
  color: var(--blue-ink);
  font-size: clamp(2.25rem, 4vw, 4rem);
  line-height: 0.98;
}

.step-copy > p:not(.step-kicker) {
  max-width: 45rem;
  margin: 1.2rem 0 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.75;
}

.step-copy strong {
  color: var(--blue-ink);
}

.official-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1.35rem;
  padding-bottom: 0.35rem;
  color: var(--blue);
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.official-link:hover,
.official-link:focus-visible {
  border-color: var(--blue);
}

.screen-preview {
  position: relative;
  grid-column: 2;
  max-width: 43rem;
  margin-top: 2.5rem;
  padding-bottom: 2.5rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.8rem;
  background: #f7f9fc;
  box-shadow: 0 1.5rem 3rem rgba(18, 57, 96, 0.08);
}

.screen-bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.4rem;
  padding: 0 0.8rem;
  border-bottom: 1px solid #dde4ee;
  background: var(--white);
}

.screen-bar i {
  display: block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #d4dde9;
}

.screen-bar span {
  margin-left: 0.4rem;
  color: #8290a0;
  font-size: 0.67rem;
}

.screen-card {
  display: flex;
  flex-direction: column;
  width: min(calc(100% - 2rem), 25rem);
  margin: 2rem auto 0;
  padding: 1.6rem;
  border: 1px solid #dce3ec;
  border-radius: 1.25rem;
  background: var(--white);
  font-family: Arial, sans-serif;
}

.screen-card > strong {
  margin-top: 1rem;
  color: #202124;
  font-size: 1.35rem;
  font-weight: 500;
}

.screen-card > p {
  margin: 0.45rem 0 1.2rem;
  color: #5f6368;
  font-size: 0.83rem;
}

.mock-field {
  margin-top: 0.7rem;
  padding: 0.8rem;
  color: #6f7680;
  border: 1px solid #aeb4bc;
  border-radius: 0.35rem;
  font-size: 0.8rem;
}

.mock-button {
  align-self: flex-end;
  margin-top: 1.1rem;
  padding: 0.6rem 1.1rem;
  color: var(--white);
  border-radius: 999px;
  background: #0b57d0;
  font-size: 0.78rem;
  font-weight: 700;
}

.preview-caption {
  margin: 1.2rem 1.2rem 0;
  color: #7b8897;
  font-size: 0.72rem;
  text-align: center;
}

.screen-card label {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0;
  color: #3c4043;
  font-size: 0.8rem;
}

.screen-card label span {
  width: 0.9rem;
  height: 0.9rem;
  border: 1px solid #6f7680;
  border-radius: 50%;
}

.existing-email-choice {
  width: fit-content;
  margin-top: 1rem;
  padding: 0.55rem 0.75rem;
  color: #0b57d0;
  border: 2px solid #0b57d0;
  border-radius: 0.45rem;
  background: #edf4ff;
  font-size: 0.8rem;
}

.choice-callout {
  position: absolute;
  right: clamp(1rem, 7vw, 5rem);
  bottom: 4.7rem;
  padding: 0.5rem 0.75rem;
  color: var(--white);
  border-radius: 999px;
  background: var(--blue);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.choice-callout::before {
  content: "";
  position: absolute;
  width: 1.4rem;
  height: 0.15rem;
  top: 50%;
  right: 100%;
  background: var(--blue);
}

.tip-box,
.important-box,
.done-card {
  display: grid;
  margin-top: 1.4rem;
  padding: 1.1rem 1.2rem;
  border-radius: 1.1rem;
}

.tip-box {
  gap: 0.25rem;
  border: 1px solid var(--line);
  background: var(--blue-wash);
}

.tip-box strong {
  color: var(--blue);
}

.tip-box p,
.important-box p,
.done-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.important-box,
.done-card {
  grid-template-columns: 2.5rem 1fr;
  align-items: center;
  gap: 0.8rem;
  border: 1px solid var(--line);
  background: var(--blue-pale);
}

.important-box > span,
.done-card > span {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  color: var(--white);
  border-radius: 50% 50% 50% 0.5rem;
  background: var(--blue);
  font-weight: 700;
}

.done-card {
  max-width: 34rem;
}

.code-text {
  overflow-wrap: anywhere;
  color: var(--blue-ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86em;
}

.account-check-list {
  display: grid;
  gap: 0.75rem;
  max-width: 45rem;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
}

.account-check-list li {
  display: grid;
  grid-template-columns: 2.7rem 1fr;
  align-items: start;
  gap: 0.9rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: var(--blue-wash);
}

.account-check-list li > span {
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  color: var(--white);
  border-radius: 50% 50% 50% 0.55rem;
  background: var(--blue);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
}

.account-check-list strong {
  color: var(--blue-ink);
}

.account-check-list p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.correct-account-card {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  align-items: center;
  gap: 0.8rem;
  max-width: 45rem;
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  color: var(--blue-ink);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: var(--blue-pale);
}

.correct-account-card > span {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  color: var(--white);
  border-radius: 50% 50% 50% 0.5rem;
  background: var(--blue);
  font-weight: 700;
}

.correct-account-card p {
  margin: 0;
  line-height: 1.55;
}

.account-check-figure {
  grid-column: 2;
  margin: 2.5rem 0 0;
  padding: 0.75rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: var(--white);
  box-shadow: 0 1.5rem 3rem rgba(18, 57, 96, 0.1);
}

.account-check-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1rem;
}

.account-check-figure figcaption {
  padding: 0.85rem 0.5rem 0.15rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
  text-align: center;
}

.wrong-account-card {
  grid-column: 2;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 1.5rem 3rem;
  margin-top: 1rem;
  padding: 1.5rem;
  color: var(--white);
  border-radius: 1.6rem;
  background: var(--blue-dark);
}

.wrong-account-card .step-kicker {
  color: rgba(255, 255, 255, 0.66);
}

.wrong-account-card h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.wrong-account-card ol {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding-left: 1.25rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.55;
}

.wrong-account-card li::marker {
  color: var(--white);
  font-weight: 700;
}

.wrong-account-card > p,
.wrong-account-card > a {
  grid-column: 1 / -1;
}

.wrong-account-card > p {
  margin: 0;
  padding-top: 1rem;
  color: rgba(255, 255, 255, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  line-height: 1.65;
}

.wrong-account-card strong {
  color: var(--white);
}

.wrong-account-card .official-link {
  width: fit-content;
  margin-top: 0;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}

.wrong-account-card .official-link:hover,
.wrong-account-card .official-link:focus-visible {
  border-color: var(--white);
}

.gmail-fallback {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 7vw, 7rem);
  margin-bottom: clamp(5rem, 9vw, 8rem);
  padding: clamp(2rem, 5vw, 4rem);
  color: var(--white);
  border-radius: var(--radius-xl) var(--radius-xl) var(--radius-xl) 1.3rem;
  background: var(--blue-dark);
}

.gmail-fallback h2 {
  max-width: 12ch;
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.5rem, 4.4vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.gmail-fallback-copy > p:not(.eyebrow) {
  margin: 1.2rem 0 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

.gmail-fallback-copy > p strong {
  color: var(--white);
}

.gmail-fallback-copy .button {
  margin-top: 1.5rem;
}

.gmail-fallback-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.gmail-fallback-steps li {
  display: grid;
  grid-template-columns: 2.8rem 1fr;
  gap: 1rem;
  padding: 1.2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.gmail-fallback-steps li:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.gmail-fallback-steps li > span {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  color: var(--blue-dark);
  border-radius: 50% 50% 50% 0.55rem;
  background: var(--white);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
}

.gmail-fallback-steps strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.15rem;
}

.gmail-fallback-steps p {
  margin: 0.25rem 0 0;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.55;
}

.troubleshooting-section {
  padding: clamp(5rem, 9vw, 9rem) 0;
  background: var(--blue-pale);
}

.troubleshooting-grid,
.source-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: start;
  gap: clamp(3rem, 8vw, 8rem);
}

.troubleshooting-heading h2,
.source-inner h2 {
  max-width: 12ch;
  font-size: clamp(2.7rem, 4.5vw, 4.8rem);
  line-height: 0.95;
}

.troubleshooting-heading > p:not(.eyebrow) {
  margin: 1.3rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.troubleshooting-heading .button {
  margin-top: 1.5rem;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  position: relative;
  padding: 1.5rem 2.5rem 1.5rem 0;
  color: var(--blue-ink);
  cursor: pointer;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  color: var(--blue);
  font-family: "DM Sans", sans-serif;
  font-size: 1.5rem;
  font-weight: 400;
}

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

.faq-item p {
  margin: 0;
  padding: 0 2.5rem 1.5rem 0;
  color: var(--muted);
  line-height: 1.7;
}

.source-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  color: var(--white);
  background: var(--blue-dark);
}

.source-inner > div:last-child > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

.button-light {
  margin-top: 1.5rem;
  color: var(--blue-dark);
  border: 2px solid var(--white);
  background: var(--white);
}

.button-light:hover,
.button-light:focus-visible {
  color: var(--white);
  background: transparent;
  transform: translateY(-2px);
}

.guide-footer {
  background: var(--blue-pale);
}

.guide-footer .site-footer {
  margin-top: 0;
}

.guide-footer .site-footer a:hover,
.guide-footer .site-footer a:focus-visible {
  color: var(--blue);
}

@media (max-width: 1000px) {
  .guide-hero {
    grid-template-columns: 1fr 0.8fr;
    gap: 3rem;
  }

  .account-pair {
    grid-template-columns: 1fr;
    margin-bottom: 2rem;
  }

  .pair-arrow {
    transform: rotate(90deg);
    text-align: center;
  }

  .guide-content {
    grid-template-columns: 12rem minmax(0, 1fr);
    gap: 3rem;
  }

  .identity-flow {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    transform: rotate(90deg);
    text-align: center;
  }

  .flow-card {
    min-height: auto;
  }

  .flow-number {
    margin-bottom: 1.5rem;
  }

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

  .wrong-account-card > p,
  .wrong-account-card > a {
    grid-column: 1;
  }

  .gmail-fallback {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 800px) {
  .guide-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 8.5rem;
  }

  .guide-summary {
    width: min(100%, 35rem);
  }

  .account-pair {
    grid-template-columns: 1fr auto 1fr;
  }

  .pair-arrow {
    transform: none;
  }

  .before-grid,
  .why-heading,
  .troubleshooting-grid,
  .source-inner {
    grid-template-columns: 1fr;
  }

  .difference-grid {
    grid-template-columns: 1fr;
  }

  .before-grid h2,
  .troubleshooting-heading h2,
  .source-inner h2 {
    max-width: 13ch;
  }

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

  .guide-toc {
    position: static;
  }
}

@media (max-width: 560px) {
  .guide-hero {
    padding-bottom: 4rem;
  }

  .guide-hero h1 {
    max-width: 100%;
    font-size: clamp(3.1rem, 16vw, 4.8rem);
  }

  .account-pair {
    grid-template-columns: 1fr;
  }

  .pair-arrow {
    transform: rotate(90deg);
  }

  .guide-summary {
    border-radius: 2.5rem 2.5rem 2.5rem 1rem;
  }

  .account-difference {
    width: 100%;
    padding: 2rem 1rem;
    border-radius: 2.5rem 2.5rem 0 0;
  }

  .difference-grid article {
    grid-template-columns: 3rem 1fr;
    padding: 1rem;
  }

  .difference-icon {
    width: 2.7rem;
    height: 2.7rem;
  }

  .gmail-fallback {
    padding: 2rem 1rem;
    border-radius: 2.5rem 2.5rem 2.5rem 1rem;
  }

  .guide-step {
    grid-template-columns: 3.2rem minmax(0, 1fr);
    column-gap: 0.8rem;
  }

  .step-number {
    width: 2.8rem;
    height: 2.8rem;
    border-width: 0.24rem;
  }

  .guide-step h2 {
    font-size: clamp(2.2rem, 11vw, 3.25rem);
  }

  .screen-preview {
    grid-column: 1 / -1;
  }

  .account-check-figure,
  .wrong-account-card {
    grid-column: 1 / -1;
  }

  .account-check-figure {
    padding: 0.35rem;
    border-radius: 1rem;
  }

  .account-check-figure img {
    border-radius: 0.7rem;
  }

  .screen-card {
    width: calc(100% - 1rem);
    margin-top: 0.5rem;
    padding: 1rem;
    border-radius: 0;
  }

  .choice-callout {
    right: 0.7rem;
  }

  .tip-box,
  .important-box,
  .done-card {
    grid-column: 1 / -1;
  }

  .code-text {
    font-size: 0.72em;
  }
}