/* ==========================================================================
   Ozaura — stylesheet
   Palette sampled directly from the Ozaura mark (assets/ozaura-mark.png).
   ========================================================================== */

/* --------------------------------------------------------------- tokens -- */
:root {
  /* colour */
  --forest:       #122824;
  --forest-deep:  #0B1A17;
  --forest-soft:  #1D3A34;
  --cream:        #FBFAF6;
  --shell:        #F1EFE8;
  --white:        #FFFFFF;
  --brass:        #8A6A42;
  --brass-lt:     #C9A96E;
  --moss:         #5A6B64;
  --line:         #DFDBD0;
  --line-dark:    rgba(251, 250, 246, 0.16);

  /* type */
  --display: "Newsreader", Georgia, "Times New Roman", serif;
  --text:    "Figtree", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* spacing scale */
  --s1: 0.25rem;  --s2: 0.5rem;   --s3: 0.75rem;  --s4: 1rem;
  --s5: 1.5rem;   --s6: 2rem;     --s7: 3rem;     --s8: 4rem;
  --s9: 6rem;     --s10: 8rem;

  /* geometry */
  --radius:    4px;
  --radius-lg: 8px;
  --gutter:    2rem;
  --measure:   1180px;

  --band: clamp(4rem, 9vw, 7.5rem); /* vertical rhythm between sections */
}

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

* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 6rem;
}

body {
  background: var(--cream);
  color: var(--forest);
  font-family: var(--text);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-wrap: break-word;
}

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

ul, ol { list-style: none; }

a { color: inherit; text-decoration: none; }

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

::selection { background: var(--brass-lt); color: var(--forest-deep); }

/* --------------------------------------------------------------- typography */
h1, h2, h3, .display {
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.015em;
  font-optical-sizing: auto;
  text-wrap: balance;
}

h1 { font-size: clamp(2.5rem, 5.4vw, 4.125rem); }
h2 { font-size: clamp(1.875rem, 3.4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

h4, h5 {
  font-family: var(--text);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.005em;
}

p { text-wrap: pretty; }

.lede {
  font-size: clamp(1.125rem, 1.6vw, 1.3125rem);
  line-height: 1.55;
  color: var(--moss);
  max-width: 34ch;
}

.prose { color: var(--moss); max-width: 62ch; }
.prose + .prose { margin-top: var(--s4); }

.kicker {
  font-family: var(--text);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--brass);
  margin-bottom: var(--s3);
}

.on-dark .kicker { color: var(--brass-lt); }

/* --------------------------------------------------------------- layout -- */
.shell {
  width: 100%;
  max-width: var(--measure);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.band { padding-block: var(--band); }

.band--shell { background: var(--shell); }
.band--forest {
  background: var(--forest);
  color: var(--cream);
}

.on-dark h1, .on-dark h2, .on-dark h3 { color: var(--cream); }
.on-dark .prose, .on-dark .lede { color: rgba(251, 250, 246, 0.72); }

.rule {
  border: 0;
  border-top: 1px solid var(--line);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--forest);
  color: var(--cream);
  padding: var(--s3) var(--s5);
  font-weight: 500;
}
.skip-link:focus { left: var(--s4); top: var(--s4); }

/* -------------------------------------------------- section heading block -- */
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: var(--s6) var(--s8);
  align-items: end;
  margin-bottom: var(--s8);
}

.section-head > :first-child { max-width: 30rem; }
.section-head p { color: var(--moss); max-width: 48ch; }
.on-dark .section-head p { color: rgba(251, 250, 246, 0.72); }

/* Thin brass thread — the one recurring motif, echoing the mark's ribbon. */
.thread {
  display: block;
  width: 3.5rem;
  height: 2px;
  background: var(--brass);
  margin-bottom: var(--s5);
}
.on-dark .thread { background: var(--brass-lt); }

/* -------------------------------------------------------------- buttons -- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  font-family: var(--text);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
  padding: 0.9375rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease,
              border-color 0.18s ease, transform 0.18s ease;
}

.btn:active { transform: translateY(1px); }

.btn--solid { background: var(--forest); color: var(--cream); }
.btn--solid:hover { background: var(--forest-soft); }

.btn--line { border-color: var(--forest); color: var(--forest); }
.btn--line:hover { background: var(--forest); color: var(--cream); }

.on-dark .btn--solid,
.btn--brass { background: var(--brass-lt); color: var(--forest-deep); }
.on-dark .btn--solid:hover,
.btn--brass:hover { background: var(--cream); }

.on-dark .btn--line { border-color: rgba(251, 250, 246, 0.42); color: var(--cream); }
.on-dark .btn--line:hover { background: var(--cream); color: var(--forest); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
}

/* Inline text link with an underline that grows on hover. */
.link {
  display: inline-block;
  font-weight: 500;
  color: var(--forest);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color 0.18s ease, color 0.18s ease;
}
.link:hover { border-color: var(--brass); color: var(--brass); }

.on-dark .link { color: var(--cream); border-color: var(--line-dark); }
.on-dark .link:hover { color: var(--brass-lt); border-color: var(--brass-lt); }

/* ------------------------------------------------------------- site head -- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(251, 250, 246, 0.9);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-head__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s5);
  min-height: 5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}
.brand img { width: 2.25rem; height: auto; }
.brand span {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.nav { display: flex; align-items: center; gap: var(--s6); }

.nav__list { display: flex; align-items: center; gap: var(--s5); }

.nav__list a {
  position: relative;
  font-size: 1rem;
  font-weight: 450;
  padding-block: 0.5rem;
  color: var(--forest);
}

.nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.nav__list a:hover::after,
.nav__list a[aria-current="page"]::after { transform: scaleX(1); }

.nav__cta { display: inline-flex; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.625rem 0.875rem;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--forest);
  cursor: pointer;
}
.nav-toggle:hover { border-color: var(--forest); }

.nav-toggle__bars { position: relative; width: 1rem; height: 9px; }
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.22s ease, top 0.22s ease;
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after  { top: 7.5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 4px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after  { top: 4px; transform: rotate(-45deg); }

/* ------------------------------------------------------------------ hero -- */
.hero {
  background: var(--forest);
  color: var(--cream);
  padding-block: clamp(4rem, 9vw, 7rem) clamp(3.5rem, 7vw, 5.5rem);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: end;
}

.hero h1 {
  color: var(--cream);
  max-width: 15ch;
  margin-bottom: var(--s5);
}

.hero__lede {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  color: rgba(251, 250, 246, 0.76);
  max-width: 46ch;
  margin-bottom: var(--s6);
}

/* The specialisms, set as an index rather than a stat panel. */
.index-list { border-top: 1px solid var(--line-dark); }

.index-list li { border-bottom: 1px solid var(--line-dark); }

.index-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem var(--s4);
  padding-block: 0.9375rem;
  transition: padding-left 0.2s ease, color 0.2s ease;
}
.index-list a:hover { padding-left: 0.625rem; color: var(--brass-lt); }

.index-list__name {
  font-family: var(--display);
  font-size: 1.3125rem;
  letter-spacing: -0.01em;
}
.index-list__note {
  font-size: 0.875rem;
  color: rgba(251, 250, 246, 0.55);
  text-align: right;
  min-width: 0;
}

/* --------------------------------------------------------- page header --- */
.page-head {
  background: var(--forest);
  color: var(--cream);
  padding-block: clamp(3.5rem, 7vw, 5.5rem) clamp(3rem, 6vw, 4.5rem);
}
.page-head h1 { color: var(--cream); max-width: 18ch; margin-bottom: var(--s5); }
.page-head .lede { color: rgba(251, 250, 246, 0.76); max-width: 52ch; }
.page-head .btn-row { margin-top: var(--s6); }

/* ------------------------------------------------------------- statement -- */
.statement {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.statement__lead {
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  max-width: 20ch;
}

.statement__body { padding-top: 0.375rem; }
.statement__body p { color: var(--moss); max-width: 52ch; }
.statement__body p + p { margin-top: var(--s4); }

/* ---------------------------------------------------------- fields grid --- */
.fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.field {
  background: var(--cream);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border-left: 3px solid transparent;
  transition: background-color 0.2s ease, border-left-color 0.2s ease;
}
.band--shell .field { background: var(--shell); }

.field:hover {
  background: var(--white);
  border-left-color: var(--brass);
}

.field h3 { margin-bottom: var(--s3); }
.field p { color: var(--moss); font-size: 1rem; margin-bottom: var(--s4); }

.field__roles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 0.5rem;
  font-size: 0.875rem;
  color: var(--moss);
}
.field__roles li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem 0.6875rem;
  background: var(--white);
}

/* ------------------------------------------------------------ split band -- */
/* The one bold moment: a true full-bleed 50/50 of the site's two audiences. */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.split__half {
  padding: clamp(3rem, 6vw, 5.5rem) clamp(2rem, 5vw, 4.5rem);
  display: flex;
  flex-direction: column;
}

.split__half--dark { background: var(--forest); color: var(--cream); }
.split__half--light { background: var(--shell); }

/* Outer padding tracks the page shell so the split lines up with every
   other section; inner padding is the gutter between the two halves. */
.split__half--dark  { padding-left:  max(var(--gutter), calc((100vw - var(--measure)) / 2)); }
.split__half--light { padding-right: max(var(--gutter), calc((100vw - var(--measure)) / 2)); }

.split__half h2 { font-size: clamp(1.625rem, 2.6vw, 2.125rem); margin-bottom: var(--s4); }
.split__half p { color: var(--moss); margin-bottom: var(--s5); max-width: 40ch; }
.split__half--dark p { color: rgba(251, 250, 246, 0.72); }

.checks { margin-bottom: var(--s6); }

.checks li {
  position: relative;
  padding: 0.6875rem 0 0.6875rem 1.5rem;
  font-size: 1rem;
  border-top: 1px solid var(--line);
}
.checks li:first-child { border-top: 0; padding-top: 0; }

.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.375rem;
  width: 0.5rem;
  height: 1px;
  background: var(--brass);
}
.checks li:first-child::before { top: 0.6875rem; }

.split__half--dark .checks li { border-color: var(--line-dark); }
.split__half--dark .checks li::before { background: var(--brass-lt); }

.split__half .btn-row { margin-top: auto; }

/* ----------------------------------------------------------- the process -- */
/* A real sequence, drawn as a single brass thread with nodes along it. */
.track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s6);
}

.track__step { position: relative; padding-top: var(--s5); }

.track__step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: calc(var(--s6) * -1);
  height: 1px;
  background: var(--line);
}
.track__step:last-child::before { right: 0; }

.track__step::after {
  content: "";
  position: absolute;
  top: -3.5px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brass);
}

.track__step h3 {
  font-family: var(--text);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0;
  margin-bottom: var(--s2);
}
.track__step p { color: var(--moss); font-size: 0.9375rem; }

/* ---------------------------------------------------------------- region -- */
.region {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.places {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}
.places li {
  background: var(--cream);
  padding: var(--s5) var(--s4);
  font-family: var(--display);
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}
.band--shell .places li { background: var(--shell); }

/* ------------------------------------------------------------------ jobs -- */
.jobs { border-top: 1px solid var(--line); }

.job {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr) auto;
  gap: var(--s4) var(--s5);
  align-items: center;
  padding: var(--s5) var(--s4) var(--s5) 0;
  border-bottom: 1px solid var(--line);
  border-left: 3px solid transparent;
  padding-left: var(--s4);
  transition: background-color 0.2s ease, border-left-color 0.2s ease;
}
.job:hover { background: var(--white); border-left-color: var(--brass); }

.job h3 { font-size: 1.25rem; }

.job__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--moss);
}
.job__meta div { display: flex; flex-direction: column; }
.job__meta dt { font-size: 0.75rem; color: var(--brass); }
.job__meta dd { margin: 0; }

/* ------------------------------------------------------------ advice grid -- */
.advice {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.advice__item {
  background: var(--cream);
  padding: clamp(1.75rem, 3vw, 2.25rem);
}
.band--shell .advice__item { background: var(--shell); }

.advice__item h3 { font-size: 1.3125rem; margin-bottom: var(--s3); }
.advice__item > p { color: var(--moss); font-size: 1rem; margin-bottom: var(--s4); }

/* ------------------------------------------------------------------ q&a --- */
.qa { border-top: 1px solid var(--line); max-width: 48rem; }

.qa details { border-bottom: 1px solid var(--line); }

.qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  padding-block: var(--s5);
  font-family: var(--display);
  font-size: 1.1875rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
  transition: color 0.18s ease;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--brass); }

.qa summary::after {
  content: "";
  flex-shrink: 0;
  width: 0.875rem;
  height: 0.875rem;
  background:
    linear-gradient(currentColor, currentColor) center/100% 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) center/1.5px 100% no-repeat;
  transition: transform 0.22s ease;
}
.qa details[open] summary::after { transform: rotate(90deg); background-size: 100% 1.5px, 0 0; }

.qa details > p {
  color: var(--moss);
  max-width: 58ch;
  padding-bottom: var(--s5);
}

/* ------------------------------------------------------------------ form -- */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}

.form { display: grid; gap: var(--s5); }

.form__pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s5);
}

.field-group { display: grid; gap: 0.5rem; }

.field-group label { font-size: 0.9375rem; font-weight: 500; }

.field-group .hint { font-size: 0.875rem; color: var(--moss); }

input, select, textarea {
  font: inherit;
  font-size: 1rem;
  color: var(--forest);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.8125rem 0.9375rem;
  width: 100%;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

input:hover, select:hover, textarea:hover { border-color: var(--moss); }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(138, 106, 66, 0.16);
}

textarea { min-height: 10rem; resize: vertical; }

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--forest) 50%),
    linear-gradient(135deg, var(--forest) 50%, transparent 50%);
  background-position: calc(100% - 1.125rem) 55%, calc(100% - 0.75rem) 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.5rem;
}

.form__note { font-size: 0.875rem; color: var(--moss); max-width: 46ch; }

.form__status {
  font-size: 0.9375rem;
  padding: var(--s3) var(--s4);
  border-radius: var(--radius);
  border-left: 3px solid var(--brass);
  background: var(--shell);
}
.form__status[hidden] { display: none; }

/* contact details column */
.details { border-top: 1px solid var(--line); }
.details > div {
  padding-block: var(--s5);
  border-bottom: 1px solid var(--line);
}
.details dt { font-size: 0.875rem; color: var(--brass); margin-bottom: 0.25rem; }
.details dd { margin: 0; font-size: 1.0625rem; }

/* --------------------------------------------------------------- cta band -- */
.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s7);
  flex-wrap: wrap;
}
.cta h2 { max-width: 20ch; }

/* ---------------------------------------------------------------- footer -- */
.site-foot {
  background: var(--forest-deep);
  color: rgba(251, 250, 246, 0.72);
  padding-block: var(--s8) var(--s6);
}

.site-foot__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) repeat(3, minmax(0, 3fr));
  gap: var(--s7) var(--s6);
  padding-bottom: var(--s7);
  border-bottom: 1px solid var(--line-dark);
}

.site-foot .brand { color: var(--cream); margin-bottom: var(--s4); }
.site-foot__grid > div > p { font-size: 0.9375rem; max-width: 32ch; }

.site-foot h2 {
  font-family: var(--text);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--cream);
  margin-bottom: var(--s4);
}

.site-foot li { margin-bottom: 0.625rem; font-size: 0.9375rem; }
.site-foot li a { transition: color 0.18s ease; }
.site-foot li a:hover { color: var(--brass-lt); }

.site-foot__base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s3);
  padding-top: var(--s5);
  font-size: 0.875rem;
}

/* ------------------------------------------------------------------- 404 -- */
.notfound {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--band);
}
.notfound h1 { max-width: 16ch; margin-bottom: var(--s5); }
.notfound .lede { max-width: 44ch; margin-bottom: var(--s6); }

.notfound__links {
  margin-top: var(--s8);
  padding-top: var(--s5);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s5);
}

/* =========================================================== responsive == */
@media (max-width: 1000px) {
  .hero__grid,
  .statement,
  .region,
  .contact-layout { grid-template-columns: minmax(0, 1fr); }

  .section-head { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .section-head > :first-child { max-width: 26ch; }

  .track { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: var(--s7); }
  .track__step:nth-child(2)::before { right: 0; }

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

  .job { grid-template-columns: minmax(0, 1fr); gap: var(--s3); }
}

@media (max-width: 820px) {
  .nav {
    position: fixed;
    inset: 5rem 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    padding: var(--s4) var(--gutter) var(--s6);
    box-shadow: 0 18px 40px rgba(18, 40, 36, 0.1);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  .nav[data-open="true"] { transform: translateY(0); opacity: 1; visibility: visible; }

  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }

  .nav__list a {
    display: block;
    padding-block: var(--s4);
    font-size: 1.125rem;
    border-bottom: 1px solid var(--line);
  }
  .nav__list a::after { display: none; }
  .nav__list a[aria-current="page"] { color: var(--brass); }

  .nav__cta { margin-top: var(--s5); }
  .nav__cta .btn { width: 100%; }

  .nav-toggle { display: inline-flex; }

  .split { grid-template-columns: minmax(0, 1fr); }
  .split__half--dark, .split__half--light { padding-inline: var(--gutter); }

  .fields, .advice { grid-template-columns: minmax(0, 1fr); }

  body[data-nav-open="true"] { overflow: hidden; }
}

@media (max-width: 620px) {
  :root { --gutter: 1.25rem; }

  body { font-size: 1rem; }

  .track { grid-template-columns: minmax(0, 1fr); }
  .track__step::before { right: 0; }

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

  .index-list a { flex-direction: column; align-items: flex-start; }
  .index-list__note { text-align: left; }

  .site-foot__grid { grid-template-columns: minmax(0, 1fr); gap: var(--s6); }

  .cta { flex-direction: column; align-items: flex-start; }

  .btn-row .btn { flex: 1 1 12rem; }
}

/* ------------------------------------------------------------ preferences */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-head, .site-foot, .btn-row, .nav-toggle { display: none; }
  body { background: #fff; color: #000; }
}