.guide-main {
  width: min(1160px, calc(100% - 48px));
}

.guide-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(500px, 1.08fr);
  gap: clamp(42px, 6vw, 80px);
  align-items: center;
  padding: 70px 0 78px;
  border-bottom: 1px solid var(--color-border);
}

.guide-hero__copy {
  max-width: 620px;
}

.guide-hero h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  font-weight: 820;
  letter-spacing: -0.055em;
  line-height: 1;
}

.guide-hero__lead {
  max-width: 36rem;
  margin: 26px 0 0;
  color: var(--color-text-soft);
  font-size: 1.15rem;
  line-height: 1.7;
}

.guide-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 28px;
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.guide-hero__meta span {
  position: relative;
}

.guide-hero__meta span + span::before {
  position: absolute;
  top: 0.66em;
  left: -13px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--page-accent);
  content: "";
}

.guide-hero__figure {
  margin: 0;
}

.guide-roadmap {
  display: block;
  width: 100%;
  height: auto;
}

.guide-roadmap__glow {
  fill: color-mix(in srgb, var(--page-accent) 22%, transparent);
}

.guide-roadmap__accent {
  fill: var(--page-accent);
}

.guide-roadmap__accent-stop {
  stop-color: var(--page-accent);
}

.guide-roadmap__accent-stroke,
.guide-roadmap__icon {
  stroke: var(--page-accent);
}

.guide-hero__figure figcaption {
  margin-top: 12px;
  color: var(--color-muted);
  font-size: 0.8rem;
  text-align: center;
}

.guide-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  gap: clamp(50px, 9vw, 120px);
  justify-content: center;
  padding: 88px 0 18px;
}

.guide-toc {
  position: sticky;
  top: 104px;
  align-self: start;
  padding-left: 18px;
  border-left: 2px solid var(--color-border);
}

.guide-toc__title {
  margin: 0 0 14px;
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.guide-toc nav {
  display: grid;
  gap: 7px;
}

.guide-toc a {
  padding: 3px 0;
  color: var(--color-muted);
  font-size: 0.86rem;
  text-decoration: none;
}

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

.guide-section {
  scroll-margin-top: 96px;
  padding: 0 0 84px;
}

.guide-section + .guide-section {
  padding-top: 84px;
  border-top: 1px solid var(--color-border);
}

.guide-section h2,
.guide-takeaway h2 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2rem, 3.3vw, 2.85rem);
  letter-spacing: -0.045em;
  line-height: 1.1;
}

.guide-section > p:not(.section-kicker),
.guide-product > div > p:not(.section-kicker),
.optimization-loop + p {
  margin: 22px 0 0;
  color: var(--color-text-soft);
}

.guide-section .guide-section__lead {
  color: var(--color-text);
  font-size: 1.18rem;
  font-weight: 580;
  line-height: 1.72;
}

.guide-callout {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  align-items: start;
  margin-top: 30px;
  padding: 22px 24px;
  border-left: 4px solid var(--page-accent);
  background: var(--page-accent-soft);
}

.guide-callout svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--page-accent-deep);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.guide-callout p {
  margin: 0;
  color: var(--color-text-soft);
  font-weight: 650;
}

.guide-steps {
  margin: 46px 0 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.guide-steps li {
  display: grid;
  grid-template-columns: 74px 1fr;
  scroll-margin-top: 96px;
  border-bottom: 1px solid var(--color-border);
}

.guide-steps__number {
  padding: 30px 0;
  color: var(--page-accent-deep);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.guide-steps__body {
  padding: 28px 0 30px;
}

.guide-steps__body h3 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -0.018em;
  line-height: 1.35;
}

.guide-steps__body > p {
  margin: 12px 0 0;
  color: var(--color-text-soft);
}

.guide-steps__body .guide-tip {
  margin-top: 16px;
  padding: 12px 15px;
  border-left: 2px solid var(--page-accent);
  background: var(--page-accent-soft);
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

.guide-tip strong {
  color: var(--page-accent-deep);
}

.mistake-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 36px 0 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.mistake-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  align-items: start;
  min-height: 84px;
  padding: 20px 12px 20px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-soft);
  font-size: 0.92rem;
  font-weight: 650;
}

.mistake-list li:nth-child(even) {
  padding-left: 22px;
  border-left: 1px solid var(--color-border);
}

.mistake-list svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: #b42318;
  stroke-width: 1.9;
  stroke-linecap: round;
}

.guide-product {
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 32px;
  margin-bottom: 84px;
  padding: 48px;
  border: 0;
  border-radius: 18px;
  background: #1a1a1a;
  color: #fff;
}

.guide-section + .guide-product {
  padding-top: 48px;
  border-top: 0;
}

.guide-product__mark {
  display: grid;
  width: 88px;
  height: 88px;
  place-items: center;
  border-radius: 18px;
  background: color-mix(in srgb, var(--page-accent) 18%, #262626);
}

.guide-product__mark svg {
  width: 64px;
  height: 64px;
  fill: none;
  stroke: var(--page-accent);
  stroke-width: 3;
  stroke-linecap: round;
}

.guide-product h2 {
  max-width: 19ch;
}

.guide-product > div > p:not(.section-kicker) {
  color: #d4d4d4;
}

.guide-text-link {
  display: inline-flex;
  gap: 8px;
  margin-top: 22px;
  color: color-mix(in srgb, var(--page-accent) 75%, #fff);
  font-weight: 750;
  text-decoration: none;
}

.guide-text-link:hover {
  text-decoration: underline;
}

.guide-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 42px;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.guide-metrics > div {
  min-height: 168px;
  padding: 24px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.guide-metrics span {
  color: var(--page-accent-deep);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.guide-metrics h3 {
  margin: 28px 0 0;
  font-size: 1.08rem;
}

.guide-metrics p {
  margin: 8px 0 0;
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

.guide-section .guide-measurement-note {
  margin-top: 24px;
  padding-left: 18px;
  border-left: 3px solid var(--page-accent);
  color: var(--color-text);
  font-weight: 650;
}

.guide-faq .faq-list {
  margin-top: 38px;
}

.optimization-loop {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 40px 0 0;
  padding: 1px;
  background: var(--color-border);
  list-style: none;
}

.optimization-loop li {
  min-height: 138px;
  padding: 22px;
  background: #fff;
}

.optimization-loop span {
  display: block;
  margin-bottom: 26px;
  color: var(--page-accent-deep);
  font-size: 0.78rem;
  font-weight: 850;
}

.optimization-loop strong {
  font-size: 0.92rem;
  line-height: 1.45;
}

.guide-takeaway {
  margin: 4px 0 84px;
  padding: 48px 0 48px 36px;
  border-left: 5px solid var(--page-accent);
}

.guide-takeaway h2 {
  max-width: 24ch;
}

.guide-related {
  border-top: 1px solid var(--color-border);
}

.guide-final-cta h2 {
  max-width: 18ch;
}

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

  .guide-hero__copy {
    max-width: 760px;
  }

  .guide-hero__figure {
    width: min(720px, 100%);
    margin-inline: auto;
  }

  .guide-layout {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 54px;
  }
}

@media (max-width: 780px) {
  .guide-main {
    width: min(100% - 32px, 1160px);
  }

  .guide-hero {
    padding: 48px 0 62px;
  }

  .guide-hero h1 {
    font-size: clamp(2.35rem, 11vw, 3.6rem);
  }

  .guide-layout {
    display: block;
    padding-top: 42px;
  }

  .guide-toc {
    position: static;
    margin-bottom: 70px;
    padding: 20px 22px;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--page-accent);
    background: var(--color-dash-50);
  }

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

  .guide-product {
    grid-template-columns: 1fr;
    padding: 34px;
  }

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

@media (max-width: 560px) {
  .guide-hero__meta {
    display: grid;
    gap: 6px;
  }

  .guide-hero__meta span + span::before {
    display: none;
  }

  .guide-hero__figure {
    width: calc(100% + 16px);
    margin-left: -8px;
    overflow: hidden;
  }

  .guide-roadmap {
    min-width: 520px;
    transform: translateX(-7%);
  }

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

  .guide-section {
    padding-bottom: 64px;
  }

  .guide-section + .guide-section {
    padding-top: 64px;
  }

  .guide-steps li {
    grid-template-columns: 52px 1fr;
  }

  .mistake-list,
  .guide-metrics,
  .optimization-loop {
    grid-template-columns: 1fr;
  }

  .mistake-list li:nth-child(even) {
    padding-left: 0;
    border-left: 0;
  }

  .guide-product,
  .guide-section + .guide-product {
    margin-bottom: 64px;
    padding: 30px 26px;
  }

  .guide-takeaway {
    margin-bottom: 64px;
    padding: 38px 0 38px 24px;
  }
}