:root {
  --ink: #1d292d;
  --ink-soft: #4b575a;
  --paper: #fbfaf5;
  --paper-deep: #ece9df;
  --rule: #c8c9c2;
  --cyan: #257889;
  --cyan-pale: #dbecef;
  --orange: #bd582d;
  --orange-pale: #f4e2d7;
  --olive: #68703c;
  --white: #ffffff;
  --sans: "Trebuchet MS", "Gill Sans", sans-serif;
  --serif: "Palatino Linotype", Palatino, Georgia, serif;
  --mono: Consolas, "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper-deep);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.64;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--cyan);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--orange);
}

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 20;
  padding: 8px 12px;
  color: var(--white);
  background: var(--ink);
  font-family: var(--sans);
  font-size: 0.82rem;
  transform: translateY(-150%);
}

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

.site-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  background: var(--paper);
  box-shadow: 0 0 0 1px rgba(29, 41, 45, 0.08);
}

.utility-bar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  min-height: 30px;
  padding: 6px 24px;
  color: #d9e1df;
  background: var(--ink);
  font-family: var(--mono);
  font-size: 0.69rem;
  line-height: 1.4;
  text-transform: uppercase;
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 28px 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-name {
  font-family: var(--sans);
  font-size: 1.58rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

.brand-kicker {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  line-height: 1.4;
  text-transform: uppercase;
}

.masthead-note {
  max-width: 260px;
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.76rem;
  line-height: 1.4;
  text-align: right;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  border-top: 1px solid var(--ink);
  border-bottom: 4px solid var(--ink);
  background: var(--white);
  scrollbar-width: thin;
}

.site-nav a {
  flex: 0 0 auto;
  min-height: 39px;
  padding: 10px 18px 9px;
  border-right: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--white);
  background: var(--orange);
}

.page-pad {
  padding: 34px 36px 0;
}

.issue-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 11px;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.issue-line::after {
  width: 92px;
  height: 2px;
  content: "";
  background: var(--orange);
}

.intro h1 {
  max-width: 840px;
  margin: 0;
  font-family: var(--sans);
  font-size: 4.2rem;
  line-height: 0.99;
  letter-spacing: 0;
}

.dek {
  max-width: 780px;
  margin: 18px 0 20px;
  color: var(--ink-soft);
  font-size: 1.16rem;
  line-height: 1.55;
}

.quick-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0 0 24px;
  padding: 10px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.quick-index strong {
  color: var(--ink);
  text-transform: uppercase;
}

.guide-figure {
  margin: 0;
  border-top: 8px solid var(--cyan);
  background: #f2efe5;
}

.guide-figure img {
  width: 100%;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  object-position: center;
}

.guide-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 8px 11px 9px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.67rem;
  line-height: 1.45;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 248px;
  gap: 38px;
  padding-top: 40px;
}

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

.guide-section {
  margin-bottom: 48px;
  scroll-margin-top: 20px;
}

.section-head {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  align-items: end;
  gap: 14px;
  margin-bottom: 18px;
  border-bottom: 3px solid var(--ink);
}

.section-no {
  padding: 5px 8px 4px;
  color: var(--white);
  background: var(--ink);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-align: center;
}

.section-head h2 {
  margin: 0 0 6px;
  font-family: var(--sans);
  font-size: 1.65rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.lede {
  font-size: 1.08rem;
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 24px 0 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.signal {
  padding: 14px 14px 16px;
  border-right: 1px solid var(--rule);
}

.signal:last-child {
  border-right: 0;
}

.signal strong {
  display: block;
  margin-bottom: 4px;
  color: var(--cyan);
  font-family: var(--sans);
  font-size: 0.87rem;
}

.signal span {
  display: block;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.45;
}

.feature-ledger {
  border-top: 1px solid var(--ink);
}

.feature-row {
  display: grid;
  grid-template-columns: 54px 190px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0 17px;
  border-bottom: 1px solid var(--rule);
}

.feature-row .marker {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
}

.feature-row h3 {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.98rem;
  line-height: 1.35;
}

.feature-row p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.52;
}

.setup-list {
  margin: 0;
  padding: 0;
  counter-reset: setup;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.setup-list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
  counter-increment: setup;
}

.setup-list li::before {
  content: "0" counter(setup);
  color: var(--olive);
  font-family: var(--mono);
  font-weight: 700;
}

.setup-list strong {
  display: block;
  font-family: var(--sans);
  font-size: 0.93rem;
}

.setup-list span {
  display: block;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.table-scroll {
  overflow-x: auto;
  border-top: 5px solid var(--orange);
}

.price-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.82rem;
  line-height: 1.4;
}

.price-table th,
.price-table td {
  padding: 11px 12px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.price-table th:last-child,
.price-table td:last-child {
  border-right: 0;
}

.price-table thead th {
  color: var(--white);
  background: var(--ink);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.price-table tbody th {
  color: var(--cyan);
  background: var(--cyan-pale);
}

.price-table .popular {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
}

.table-note {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

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

.faq details {
  border-bottom: 1px solid var(--rule);
}

.faq summary {
  padding: 12px 30px 12px 0;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.94rem;
  font-weight: 700;
}

.faq p {
  margin: -2px 0 14px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.sidebar {
  align-self: start;
  padding-left: 20px;
  border-left: 1px solid var(--rule);
}

.side-block {
  margin-bottom: 30px;
}

.side-block h2 {
  margin: 0 0 9px;
  padding-bottom: 6px;
  border-bottom: 3px solid var(--cyan);
  font-family: var(--sans);
  font-size: 0.83rem;
  line-height: 1.3;
  text-transform: uppercase;
}

.side-block p,
.side-block li {
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.5;
}

.side-block ul,
.side-block ol {
  margin: 0;
  padding-left: 19px;
}

.side-block li + li {
  margin-top: 7px;
}

.spec-list {
  margin: 0;
}

.spec-list div {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px dotted var(--rule);
}

.spec-list dt {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.67rem;
  text-transform: uppercase;
}

.spec-list dd {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.78rem;
  line-height: 1.4;
}

.transcript {
  padding: 13px;
  border-left: 5px solid var(--orange);
  background: var(--orange-pale);
  font-family: var(--sans);
  font-size: 0.77rem;
  line-height: 1.45;
}

.transcript p {
  margin: 0;
  color: var(--ink);
}

.transcript p + p {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dotted rgba(29, 41, 45, 0.3);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  margin-top: 48px;
  padding: 22px 36px 26px;
  border-top: 5px solid var(--ink);
  color: #d6dedc;
  background: var(--ink);
  font-family: var(--sans);
  font-size: 0.75rem;
  line-height: 1.5;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 16px;
}

.site-footer a {
  color: var(--white);
}

.legal-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 38px 36px 18px;
}

.legal-head {
  margin-bottom: 30px;
  padding-bottom: 18px;
  border-bottom: 5px solid var(--ink);
}

.legal-head h1 {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-size: 3.5rem;
  line-height: 1;
  letter-spacing: 0;
}

.legal-head p {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.legal-copy section {
  margin: 0 0 30px;
}

.legal-copy h2 {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-size: 1.18rem;
  line-height: 1.25;
}

.legal-copy h3 {
  margin: 18px 0 5px;
  font-family: var(--sans);
  font-size: 0.98rem;
}

.legal-copy p,
.legal-copy li {
  font-size: 0.97rem;
}

.error-page {
  min-height: 62vh;
  padding: 72px 36px;
}

.error-code {
  margin: 0;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.error-page h1 {
  max-width: 650px;
  margin: 8px 0 14px;
  font-family: var(--sans);
  font-size: 4.7rem;
  line-height: 1;
  letter-spacing: 0;
}

@media (max-width: 820px) {
  body {
    font-size: 16px;
  }

  .site-shell {
    width: 100%;
  }

  .intro h1 {
    font-size: 3.25rem;
  }

  .legal-head h1 {
    font-size: 2.8rem;
  }

  .error-page h1 {
    font-size: 3.5rem;
  }

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

  .sidebar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    padding: 26px 0 0;
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  .feature-row {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .feature-row p {
    grid-column: 2;
  }
}

@media (max-width: 600px) {
  .utility-bar {
    padding: 7px 16px;
  }

  .utility-bar span:last-child {
    display: none;
  }

  .masthead {
    align-items: flex-start;
    padding: 16px;
  }

  .brand img {
    width: 37px;
    height: 37px;
  }

  .brand-name {
    font-size: 1.3rem;
  }

  .masthead-note {
    display: none;
  }

  .site-nav a {
    padding-right: 14px;
    padding-left: 14px;
  }

  .page-pad {
    padding: 27px 18px 0;
  }

  .intro h1 {
    font-size: 2.45rem;
  }

  .dek {
    font-size: 1.02rem;
  }

  .guide-figure img {
    aspect-ratio: 4 / 3;
    object-position: center;
  }

  .guide-figure figcaption {
    display: block;
  }

  .guide-figure figcaption span:last-child {
    display: block;
    margin-top: 3px;
  }

  .section-head {
    grid-template-columns: 58px minmax(0, 1fr);
  }

  .section-head h2 {
    font-size: 1.35rem;
  }

  .signal-strip {
    grid-template-columns: 1fr;
  }

  .signal {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .signal:last-child {
    border-bottom: 0;
  }

  .feature-row {
    gap: 10px;
  }

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

  .site-footer {
    grid-template-columns: 1fr;
    padding: 20px 18px 24px;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .legal-shell,
  .error-page {
    padding-right: 18px;
    padding-left: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media print {
  body,
  .site-shell {
    background: var(--white);
    box-shadow: none;
  }

  .utility-bar,
  .site-nav,
  .site-footer,
  .sidebar {
    display: none;
  }

  .page-pad {
    padding: 0;
  }

  .content-grid {
    display: block;
  }
}