/* ==========================================================================
   KOBIL Homepage Wireframe
   Grayscale only. The stylesheet validates hierarchy, information
   architecture and responsive layout, not visual branding.

   Structure
   1. Tokens          5. Header / navigation    10. Products
   2. Reset / base    6. Hero + stack diagram   11. Architecture diagram
   3. Primitives      7. Problem                12. Industries
   4. Layout          8. Capabilities           13. Proof
                      9. Trust chain            14. Final CTA / Footer

   Breakpoints (mobile-first, em units):
   37.5em = 600px   48em = 768px   64em = 1024px   90em = 1440px
   ========================================================================== */


/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  color-scheme: light;

  --bg: #ffffff;
  --bg-2: #f4f4f4;
  --ink: #111111;
  --ink-2: #4a4a4a;
  --ink-3: #6b6b6b;
  --ink-inverse: #ffffff;
  --ink-inverse-2: #c9c9c9;
  --line: #d6d6d6;
  --line-strong: #111111;
  --line-dashed: #9c9c9c;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Fluid type scale */
  --step--1: clamp(0.8125rem, 0.79rem + 0.15vw, 0.9rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --step-1:  clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --step-2:  clamp(1.375rem, 1.2rem + 0.8vw, 1.875rem);
  --step-3:  clamp(1.75rem, 1.4rem + 1.5vw, 2.5rem);
  --step-4:  clamp(2.25rem, 1.4rem + 2.6vw, 3.5rem);
  --step-5:  clamp(2.75rem, 1.6rem + 4vw, 5rem);

  /* Fluid spacing */
  --space-xs: 0.5rem;
  --space-s:  clamp(0.875rem, 0.8rem + 0.4vw, 1.25rem);
  --space-m:  clamp(1.5rem, 1.2rem + 1.2vw, 2.5rem);
  --space-l:  clamp(2.5rem, 1.8rem + 2.6vw, 4.5rem);
  --space-xl: clamp(4rem, 2.8rem + 5vw, 8rem);

  --container: 75rem;
  --gutter: clamp(1.25rem, 0.8rem + 2vw, 2.5rem);
  --header-h: 4rem;
  --measure: 60ch;
}


/* --------------------------------------------------------------------------
   2. Reset / base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  overflow-wrap: break-word;
  text-wrap: balance;
}

p, ul, ol, dl, figure {
  margin: 0;
}

a {
  color: inherit;
}

svg {
  display: block;
}

button {
  font: inherit;
  color: inherit;
}

/* Anchor targets clear the sticky header */
[id] {
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.node--kobil :focus-visible,
.final :focus-visible {
  outline-color: var(--ink-inverse);
}

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


/* --------------------------------------------------------------------------
   3. Primitives
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.nowrap {
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--gutter);
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--ink);
  color: var(--ink-inverse);
  text-decoration: none;
}

.skip-link:focus {
  top: 0.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.875rem;
  padding: 0.7rem 1.25rem;
  border: 1px solid var(--ink);
  background: var(--bg);
  color: var(--ink);
  font-weight: 600;
  font-size: var(--step-0);
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  background: var(--bg-2);
}

.button--primary {
  background: var(--ink);
  color: var(--ink-inverse);
}

.button--primary:hover {
  background: #333333;
}

.button--inverse {
  background: var(--ink-inverse);
  color: var(--ink);
  border-color: var(--ink-inverse);
}

.button--inverse:hover {
  background: #e6e6e6;
}

.link {
  align-self: flex-start;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.link:hover {
  border-bottom-width: 2px;
}

.eyebrow {
  margin-bottom: var(--space-s);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.lead {
  max-width: var(--measure);
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--ink-2);
}

.lead--strong {
  font-weight: 600;
  color: var(--ink);
}

.display {
  display: flex;
  flex-direction: column;
  gap: 0.1em;
  font-size: var(--step-4);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.display--xl {
  font-size: var(--step-5);
}

.display__muted {
  color: var(--ink-3);
}

/* Inline list separated by middle dots; wraps gracefully */
.dots {
  padding: 0;
  list-style: none;
  text-align: center;
  text-wrap: balance;
  line-height: 1.7;
}

/* inline-block keeps multi-word items such as "Real-world actions" intact */
.dots > li {
  display: inline-block;
}

.dots > li:not(:last-child)::after {
  content: "\00a0·" / "";
  opacity: 0.55;
}

/* Diagram node */
.node {
  width: 100%;
  padding: var(--space-s) var(--space-m);
  border: 1px solid var(--line-strong);
  background: var(--bg);
  text-align: center;
  min-width: 0;
}

.node--kobil {
  background: var(--ink);
  color: var(--ink-inverse);
  border-color: var(--ink);
}

.node__title {
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.node__sub {
  margin-top: 0.4rem;
  font-size: var(--step--1);
  color: var(--ink-2);
}

.node--kobil .node__sub {
  color: var(--ink-inverse-2);
}

/* Placeholder for content that is not yet approved */
.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border: 1px dashed var(--line-dashed);
  background: var(--bg);
  color: var(--ink-3);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}


/* --------------------------------------------------------------------------
   4. Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.narrow {
  max-width: calc(44rem + 2 * var(--gutter));
}

.section {
  padding-block: var(--space-xl);
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 44rem;
  margin-bottom: var(--space-l);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head--center .lead {
  margin-inline: auto;
}

.section-head h2 {
  font-size: var(--step-3);
  line-height: 1.1;
  letter-spacing: -0.015em;
}


/* --------------------------------------------------------------------------
   5. Header / navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
  min-height: var(--header-h);
}

.logo {
  font-size: var(--step-1);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.nav-toggle {
  display: none;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--ink);
  background: var(--bg);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  gap: clamp(1rem, 0.5rem + 1.5vw, 2rem);
  padding: 0;
  list-style: none;
}

.site-nav__list a {
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}

.site-nav__list a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.site-nav__cta {
  min-height: 2.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

/* Collapsed navigation below 768px */
@media (max-width: 47.99em) {
  .nav-toggle {
    display: inline-flex;
  }

  .js .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 var(--gutter) var(--space-m);
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }

  .js .site-nav.is-open {
    display: flex;
  }

  .js .site-nav__list {
    flex-direction: column;
    gap: 0;
  }

  .js .site-nav__list a {
    display: block;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
    font-size: var(--step-1);
  }

  .js .site-nav__cta {
    margin-top: var(--space-s);
    min-height: 2.875rem;
    font-size: var(--step-0);
  }

  /* No-JS fallback: show the full navigation as a wrapped row */
  .no-js .nav-toggle {
    display: none;
  }

  .no-js .site-header__inner {
    flex-wrap: wrap;
  }

  .no-js .site-nav {
    width: 100%;
    flex-wrap: wrap;
    gap: var(--space-s);
    padding-bottom: var(--space-s);
  }

  .no-js .site-nav__list {
    flex-wrap: wrap;
  }
}


/* --------------------------------------------------------------------------
   6. Hero + stack diagram
   -------------------------------------------------------------------------- */
.hero__grid {
  display: grid;
  gap: var(--space-l);
  align-items: center;
}

.hero h1 {
  max-width: 18ch;
  font-size: var(--step-4);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero .lead {
  margin-top: var(--space-m);
  max-width: 40rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
  margin-top: var(--space-m);
}

.hero__visual {
  width: 100%;
  max-width: 32rem;
  margin-inline: auto;
}

.stack {
  display: flex;
  flex-direction: column;
  padding: 0;
  list-style: none;
}

.stack__item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stack__item + .stack__item::before {
  content: "↓" / "";
  padding-block: 0.4rem;
  font-size: var(--step-1);
  line-height: 1;
  color: var(--ink-2);
}

.stack .node--kobil {
  padding-block: var(--space-m);
}

@media (min-width: 64em) {
  .hero__grid {
    grid-template-columns: minmax(0, 11fr) minmax(0, 9fr);
    gap: var(--space-xl);
  }

  .hero__visual {
    margin-inline: 0 auto;
    max-width: 34rem;
  }
}


/* --------------------------------------------------------------------------
   7. Problem
   -------------------------------------------------------------------------- */
.problem {
  text-align: center;
}

/* Wide enough for the second headline line to stay on one line ≥768px */
.problem .container {
  max-width: calc(60rem + 2 * var(--gutter));
}

.problem .lead {
  margin-top: var(--space-m);
  margin-inline: auto;
}

.problem .lead--strong {
  margin-top: var(--space-s);
}


/* --------------------------------------------------------------------------
   8. Capabilities (3 × 2 grid with shared 1px borders)
   -------------------------------------------------------------------------- */
.caps {
  display: grid;
  gap: 1px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.cap {
  min-width: 0;
  padding: var(--space-m);
  background: var(--bg);
}

.cap__index {
  display: block;
  margin-bottom: var(--space-m);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--ink-3);
}

.cap__title {
  font-size: var(--step-1);
}

.cap__desc {
  margin-top: 0.5rem;
  color: var(--ink-2);
}

@media (min-width: 37.5em) {
  .caps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64em) {
  .caps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}


/* --------------------------------------------------------------------------
   9. Trust chain
   Mobile: vertical list with ↓ arrows. ≥768px: one horizontal row with →.
   Arrows live in the grid gap so every step keeps the same width.
   -------------------------------------------------------------------------- */
.chain-section {
  background: var(--bg-2);
}

.chain {
  --chain-gap: 2.75rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: var(--chain-gap);
  max-width: 22rem;
  margin-inline: auto;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.chain__step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: var(--space-s) 0.5rem;
  border: 2px solid var(--ink);
  background: var(--bg);
  text-align: center;
}

.chain__step + .chain__step::before {
  content: "↓" / "";
  position: absolute;
  top: calc(var(--chain-gap) / -2);
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--step-2);
  line-height: 1;
  color: var(--ink);
}

.chain__num {
  font-size: var(--step--1);
  font-variant-numeric: tabular-nums;
  color: var(--ink-3);
}

.chain__label {
  margin-top: 0.15rem;
  font-size: clamp(0.8125rem, 0.45rem + 0.75vw, 1.125rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

/* Mobile: labels can be larger since the box is wide */
@media (max-width: 47.99em) {
  .chain__label {
    font-size: var(--step-1);
  }
}

.chain__copy {
  margin: var(--space-l) auto 0;
  text-align: center;
}

@media (min-width: 48em) {
  .chain {
    --chain-gap: clamp(1.5rem, 1rem + 1.5vw, 2.75rem);
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap: var(--chain-gap);
    row-gap: 0;
    max-width: none;
  }

  .chain__step {
    padding-block: var(--space-m);
  }

  .chain__step + .chain__step::before {
    content: "→" / "";
    top: 50%;
    left: calc(var(--chain-gap) / -2);
  }
}


/* --------------------------------------------------------------------------
   10. Products — decision path (intent → product → details)
   -------------------------------------------------------------------------- */
.choices {
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.choice {
  display: grid;
  gap: var(--space-s) var(--space-m);
  padding-block: var(--space-m);
  border-bottom: 1px solid var(--line);
}

.choice:last-child {
  border-bottom: 1px solid var(--ink);
}

.choice__intent {
  font-size: var(--step-1);
  font-weight: 500;
  line-height: 1.3;
  color: var(--ink-2);
}

.choice__intent-arrow {
  display: none;
}

.choice__product-block {
  min-width: 0;
}

.choice__product {
  font-size: var(--step-3);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.choice__desc {
  max-width: 40rem;
  margin-top: 0.5rem;
  color: var(--ink-2);
}

.choice__details {
  display: flex;
  flex-direction: column;
  align-self: start;
  gap: var(--space-s);
  min-width: 0;
}

.subs {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.35rem 0.75rem;
  font-size: var(--step-0);
}

.subs dt {
  font-weight: 700;
}

.subs dd {
  margin: 0;
  color: var(--ink-2);
}

.examples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--step--1);
}

.examples__label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.tag {
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--line-strong);
}

@media (min-width: 48em) {
  .choice {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .choice__intent {
    grid-column: 1 / -1;
  }
}

@media (min-width: 64em) {
  .choice {
    grid-template-columns: minmax(0, 5fr) minmax(0, 8fr) minmax(0, 6fr);
    padding-block: var(--space-l);
  }

  .choice__intent {
    grid-column: auto;
  }

  .choice__intent-arrow {
    display: inline;
    color: var(--ink-3);
  }
}


/* --------------------------------------------------------------------------
   11. Architecture diagram
   Mobile: single vertical spine, actors as three compact chips.
   ≥768px: SVG brackets split into and merge from three actor columns.
   Column centers are at 1/6, 1/2 and 5/6 of the width, so the brackets
   line up as long as the actor grid has no column gap.
   -------------------------------------------------------------------------- */
.arch {
  max-width: 56rem;
  margin-inline: auto;
}

.arch__app {
  width: min(100%, 22rem);
  margin-inline: auto;
}

.arch__line {
  display: block;
  width: 2px;
  height: 2rem;
  margin-inline: auto;
  background: var(--ink);
}

.arch__bracket {
  display: none;
  width: 100%;
  height: 3rem;
  color: var(--ink);
}

.arch__actors {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  list-style: none;
}

.arch__actors > li {
  display: flex;
  min-width: 0;
  padding-inline: 0.2rem;
}

.arch__actors .node {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 0.25rem;
}

.arch__actors .node__title {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  overflow-wrap: anywhere;
}

.arch__kobil {
  padding: var(--space-m) var(--space-s);
}

.arch__kobil-title {
  font-size: var(--step-1);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.arch__caps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  margin-top: var(--space-m);
  padding: 0;
  list-style: none;
}

.arch__caps > li {
  min-width: 0;
  padding: 0.75rem 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.55);
  font-size: var(--step--1);
  font-weight: 600;
  text-align: center;
  overflow-wrap: break-word;
}

.arch__caption {
  margin: var(--space-l) auto 0;
  text-align: center;
}

@media (min-width: 48em) {
  .arch__line {
    display: none;
  }

  .arch__bracket {
    display: block;
  }

  .arch__actors > li {
    padding-inline: var(--space-s);
  }

  .arch__actors .node {
    padding: var(--space-s);
  }

  .arch__actors .node__title {
    font-size: var(--step--1);
    letter-spacing: 0.08em;
  }

  .arch__kobil {
    padding: var(--space-m);
  }

  .arch__caps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .arch__caps > li {
    padding: 0.9rem 0.5rem;
    font-size: var(--step-0);
  }
}


/* --------------------------------------------------------------------------
   12. Industries
   -------------------------------------------------------------------------- */
.industries {
  display: grid;
  gap: 1px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.industry {
  min-width: 0;
  padding: var(--space-m);
  background: var(--bg);
}

.industry h3 {
  font-size: var(--step-1);
}

.industry p {
  margin-top: 0.5rem;
  color: var(--ink-2);
}

@media (min-width: 37.5em) {
  .industries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64em) {
  .industries {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}


/* --------------------------------------------------------------------------
   13. Proof
   -------------------------------------------------------------------------- */
.proof {
  background: var(--bg-2);
}

.logos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-s);
  padding: 0;
  list-style: none;
}

.logos .placeholder {
  min-height: 4.5rem;
}

.stats {
  display: grid;
  gap: 1px;
  margin-top: var(--space-l);
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.stat {
  min-width: 0;
  padding: var(--space-m);
  background: var(--bg);
  text-align: center;
}

.stat__value {
  display: block;
  font-size: var(--step-4);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-3);
  overflow-wrap: anywhere;
}

.stat__label {
  display: block;
  margin-top: 0.6rem;
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.proofs {
  display: grid;
  gap: var(--space-s);
  margin-top: var(--space-l);
  padding: 0;
  list-style: none;
}

.proof-point {
  min-width: 0;
  padding: var(--space-m);
  border: 1px dashed var(--line-dashed);
  background: var(--bg);
}

.proof-point h3 {
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.proof-point p {
  margin-top: 0.5rem;
  color: var(--ink-2);
}

@media (min-width: 37.5em) {
  .stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 48em) {
  .logos {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .proofs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 64em) {
  .logos {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}


/* --------------------------------------------------------------------------
   14. Final CTA / Footer
   -------------------------------------------------------------------------- */
.final {
  background: var(--ink);
  color: var(--ink-inverse);
  text-align: center;
}

.final .display__muted {
  color: #a3a3a3;
}

.final .lead {
  margin: var(--space-m) auto 0;
  color: var(--ink-inverse-2);
}

.final .button {
  margin-top: var(--space-l);
}

.site-footer {
  padding-block: var(--space-l);
  border-top: 1px solid var(--ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-m) var(--space-s);
}

@media (min-width: 22.5em) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.footer-heading {
  margin-bottom: var(--space-s);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-grid ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0;
  list-style: none;
}

.footer-grid a {
  font-size: var(--step--1);
  color: var(--ink-2);
  text-decoration: none;
}

.footer-grid a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-s);
  margin-top: var(--space-l);
  padding-top: var(--space-s);
  border-top: 1px solid var(--line);
  font-size: var(--step--1);
  color: var(--ink-3);
}

@media (min-width: 48em) {
  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 90em) {
  .footer-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}