:root {
  --paper: #f7f8fc;
  --ink: #111827;
  --signal: #3457ff;
  --range: #c8f2f0;
  --warm: #ead9c5;
  --heat: #ff6a3d;
  --panel: #e8ecf4;
  --muted: #566176;
  --display: "Anybody", "Arial Black", sans-serif;
  --body: "Atkinson Hyperlegible", "Segoe UI", sans-serif;
  --utility: "IBM Plex Mono", Consolas, monospace;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  font-size: clamp(1rem, .95rem + .15vw, 1.125rem);
  line-height: 1.55;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; background: var(--paper); }
a { color: inherit; text-underline-offset: .2em; }
a:hover { color: var(--signal); }
a:focus-visible {
  outline: .2rem solid var(--heat);
  outline-offset: .25rem;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: .75rem;
  left: .75rem;
  padding: .65rem .9rem;
  color: #fff;
  background: var(--ink);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.shell {
  width: min(78rem, calc(100% - 3rem));
  margin-inline: auto;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-block: 1.25rem 3.5rem;
  color: #fff;
  background-color: var(--signal);
  background-image:
    linear-gradient(rgb(255 255 255 / 10%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 10%) 1px, transparent 1px);
  background-size: 4rem 4rem;
}
.hero::after {
  content: "";
  position: absolute;
  right: -7rem;
  bottom: -12rem;
  width: 30rem;
  aspect-ratio: 1;
  border: 5rem solid var(--range);
  border-radius: 50%;
  opacity: .18;
  pointer-events: none;
}

.masthead {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgb(255 255 255 / 45%);
  font-family: var(--utility);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.wordmark {
  font-weight: 600;
  letter-spacing: -.02em;
}
.wordmark span { color: var(--range); }
.edition { opacity: .8; }

.purpose {
  position: relative;
  z-index: 1;
  max-width: 52rem;
  margin: 2.25rem 0 3.75rem;
  font-size: clamp(1.1rem, 1rem + .55vw, 1.55rem);
  line-height: 1.45;
}
.purpose a {
  color: inherit;
  font-weight: 700;
  text-decoration-color: var(--range);
  text-decoration-thickness: .12em;
}
.purpose a:hover {
  color: #fff;
  text-decoration-color: var(--heat);
}
.sponsor-note {
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--heat);
  text-decoration-thickness: .12em;
  text-underline-offset: .16em;
  white-space: nowrap;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(17rem, .7fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
}
h1 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.6rem, 7.5vw, 8rem);
  font-stretch: 82%;
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: .9;
}
h1 span {
  display: block;
  color: var(--heat);
  font-stretch: 115%;
  font-weight: 500;
}
.role-key {
  margin: 0 0 .5rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgb(255 255 255 / 45%);
}
.role-key li {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: .75rem;
  padding-block: .8rem;
  border-bottom: 1px solid rgb(255 255 255 / 45%);
}
.role-key strong {
  font-family: var(--utility);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.role-key span { font-size: .94rem; opacity: .86; }

.budget-console {
  position: relative;
  z-index: 1;
  margin-top: 4rem;
  padding: 1.35rem 1.5rem 1.6rem;
  color: var(--ink);
  background: var(--paper);
  box-shadow: .65rem .65rem 0 var(--heat);
}
.console-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.4rem;
  font-family: var(--utility);
  font-size: .7rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.console-head p { margin: 0; font-weight: 600; }
.console-head span { color: var(--muted); }
.budget-options { padding: .3rem .2rem .65rem; }
.budget-nav {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(7.5rem, 1fr));
  min-width: 42rem;
}
.budget-nav::before {
  content: "";
  position: absolute;
  top: .34rem;
  right: 8%;
  left: 8%;
  height: .18rem;
  background: var(--ink);
  transform-origin: left;
  animation: calibrate .8s cubic-bezier(.2, .75, .25, 1) both;
}
.budget-nav a {
  position: relative;
  padding-top: 1.2rem;
  font-family: var(--display);
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  font-stretch: 85%;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}
.budget-nav a::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 0;
  left: 50%;
  width: .85rem;
  aspect-ratio: 1;
  border: .18rem solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  transform: translateX(-50%) scale(0);
  animation: mark .25s calc(.45s + var(--marker, 0) * .09s) ease-out forwards;
}
.budget-nav a:nth-child(2) { --marker: 1; }
.budget-nav a:nth-child(3) { --marker: 2; }
.budget-nav a:nth-child(4) { --marker: 3; }
.budget-nav a:nth-child(5) { --marker: 4; }
.budget-nav a:hover::before,
.budget-nav a:focus-visible::before { background: var(--heat); }

main { width: min(78rem, calc(100% - 3rem)); margin-inline: auto; }
.tier {
  display: grid;
  grid-template-columns: minmax(12rem, 16rem) minmax(0, 1fr);
  gap: 1rem clamp(2rem, 6vw, 6rem);
  padding-block: clamp(4rem, 8vw, 7rem);
  border-bottom: .12rem solid var(--ink);
}
.tier > h2 {
  position: sticky;
  top: 2rem;
  align-self: start;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.4rem, 4vw, 4.5rem);
  font-stretch: 80%;
  font-weight: 800;
  letter-spacing: -.055em;
  line-height: .92;
}
.tier > h2::before {
  content: "Budget ceiling";
  display: block;
  margin-bottom: .85rem;
  color: var(--signal);
  font-family: var(--utility);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.tier > section { grid-column: 2; }
.tier h3 {
  margin: 0 0 1.2rem;
  font-family: var(--utility);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.quick-glance {
  padding: clamp(1.3rem, 3vw, 2.4rem);
  background: var(--warm);
  border-left: .45rem solid var(--signal);
}
.model-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
}
.model-columns > div { padding-right: 2rem; }
.model-columns > div + div {
  padding-right: 0;
  padding-left: 2rem;
  border-left: 1px solid rgb(17 24 39 / 28%);
}
.model-columns h4,
.recommendation h5 {
  margin: 0 0 .65rem;
  font-family: var(--utility);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .055em;
  text-transform: uppercase;
}
.model-columns ul,
.recommendation ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.model-columns li {
  padding-block: .55rem;
  border-top: 1px solid rgb(17 24 39 / 20%);
}
.model-columns strong { font-size: 1.08rem; }

.recommendations { margin-top: 3rem; }
.recommendation {
  display: grid;
  grid-template-columns: minmax(8rem, 11rem) minmax(0, 1fr);
  column-gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 1rem;
  padding: 1.6rem;
  background: #fff;
  border-top: .3rem solid var(--signal);
  box-shadow: 0 .4rem 1.5rem rgb(17 24 39 / 8%);
}
.recommendation > * { grid-column: 2; }
.recommendation > h4 {
  grid-column: 1;
  grid-row: 1 / span 8;
  margin: 0;
  font-family: var(--display);
  font-size: 1.55rem;
  font-stretch: 80%;
  font-weight: 750;
  letter-spacing: -.04em;
}
.recommendation > .text { margin-top: 0; font-size: 1.08rem; }
.recommendation h5 { margin-top: 1.35rem; color: var(--muted); }
.recommendation li {
  padding-block: .7rem;
  border-top: 1px solid var(--panel);
}
.recommendation li > a { font-weight: 700; }
.recommendation li .text { margin: .25rem 0 0; color: var(--muted); }
.price {
  float: right;
  color: var(--signal);
  font-family: var(--utility);
  font-size: .78rem;
  font-weight: 600;
  white-space: nowrap;
}
.text { white-space: pre-line; }
.empty {
  margin: .4rem 0 0;
  color: var(--muted);
  font-style: italic;
}
.notes {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--panel);
}
.notes .text { margin: 0; }

.bonus {
  display: grid;
  grid-template-columns: minmax(12rem, 16rem) minmax(0, 1fr);
  gap: 2rem clamp(2rem, 6vw, 6rem);
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--range);
  border-bottom: .12rem solid var(--ink);
  box-shadow: inset .6rem 0 0 var(--signal);
}
.bonus-kicker {
  margin: 0 0 .8rem;
  color: var(--signal);
  font-family: var(--utility);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.bonus h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.5rem, 4vw, 4.5rem);
  font-stretch: 80%;
  font-weight: 800;
  letter-spacing: -.055em;
  line-height: .92;
}
.context-meter {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgb(17 24 39 / 35%);
  font-family: var(--utility);
  font-size: .68rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.context-meter strong {
  display: block;
  margin-top: .35rem;
  color: var(--signal);
  font-size: 1rem;
  letter-spacing: .12em;
}
.bonus-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.bonus-list li {
  position: relative;
  padding: 1.35rem 0 1.5rem 2.1rem;
  border-top: 1px solid rgb(17 24 39 / 35%);
}
.bonus-list li::before {
  content: "";
  position: absolute;
  top: 1.75rem;
  left: 0;
  width: .75rem;
  aspect-ratio: 1;
  background: var(--signal);
}
.bonus-list h3 {
  margin: 0 0 .4rem;
  font-family: var(--display);
  font-size: 1.4rem;
  font-stretch: 90%;
  font-weight: 750;
  letter-spacing: -.025em;
  line-height: 1.1;
}
.bonus-list p { max-width: 48rem; margin: 0; }
.bonus-list code {
  font-family: var(--utility);
  font-size: .85em;
  font-weight: 600;
}

footer { padding-block: 2rem 4rem; }
footer .shell {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  color: var(--muted);
  font-family: var(--utility);
  font-size: .68rem;
  letter-spacing: .035em;
}
footer p { max-width: 42rem; margin: 0; }
footer a { color: var(--ink); font-weight: 600; }

@keyframes calibrate { from { transform: scaleX(0); } }
@keyframes mark {
  from { transform: translateX(-50%) scale(0); }
  to { transform: translateX(-50%) scale(1); }
}

@media (max-width: 52rem) {
  .hero-grid { grid-template-columns: 1fr; }
  h1 { max-width: 9ch; }
  .role-key { max-width: 32rem; }
  .tier { grid-template-columns: 1fr; }
  .tier > h2 { position: static; }
  .tier > section { grid-column: 1; }
  .bonus { grid-template-columns: 1fr; }
}

@media (max-width: 48rem) {
  .console-head span { display: none; }
  .budget-options { padding-inline: 0; }
  .budget-nav {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    min-width: 0;
    gap: .55rem;
  }
  .budget-nav::before,
  .budget-nav a::before { display: none; }
  .budget-nav a {
    grid-column: span 2;
    display: grid;
    min-height: 4.25rem;
    padding: .65rem .35rem;
    place-items: center;
    border: .12rem solid var(--ink);
    background: #fff;
    font-size: clamp(1rem, 3vw, 1.25rem);
    line-height: 1.05;
  }
  .budget-nav a:nth-child(4) { grid-column: 2 / span 2; }
  .budget-nav a:nth-child(5) { grid-column: 4 / span 2; }
  .budget-nav a:hover,
  .budget-nav a:focus-visible {
    color: var(--ink);
    border-color: var(--signal);
    background: var(--warm);
  }
}

@media (max-width: 38rem) {
  .shell, main { width: min(100% - 1.5rem, 78rem); }
  .hero { padding-bottom: 2.25rem; }
  .purpose { margin-block: 1.75rem 2.75rem; }
  h1 { font-size: clamp(3.25rem, 18vw, 5.4rem); }
  .masthead .edition { display: none; }
  .budget-console { margin-top: 2.75rem; padding-inline: 1rem; box-shadow: .4rem .4rem 0 var(--heat); }
  .tier { padding-block: 3.5rem; }
  .model-columns { grid-template-columns: 1fr; }
  .model-columns > div { padding-right: 0; }
  .model-columns > div + div {
    margin-top: 1.4rem;
    padding: 1.4rem 0 0;
    border-top: 1px solid rgb(17 24 39 / 28%);
    border-left: 0;
  }
  .recommendation { display: block; padding: 1.25rem; }
  .recommendation > h4 { margin-bottom: 1rem; }
  .price { float: none; display: block; margin-top: .15rem; }
  footer .shell { display: block; }
  footer a { display: inline-block; margin-top: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .budget-nav::before,
  .budget-nav a::before { animation: none; transform: translateX(-50%) scale(1); }
  .budget-nav::before { transform: none; }
}