/* Appalachian Advertising — Brand Standards
   Values transcribed from the Claude Design canvas source; the media queries
   are additive, since the canvas artboard only ever rendered at desktop width. */

:root {
  /* Core palette */
  --slate: #22384A;
  --green: #4E9A63;
  --paper: #F6F4F0;
  --white: #FFFFFF;
  --graphite: #3C4F5C;
  --kraft: #C7B9A3;

  /* Derived tints — every rgba(34,56,74,x) in the source maps to one of these */
  --rule: rgba(34, 56, 74, 0.14);
  --rule-strong: rgba(34, 56, 74, 0.2);
  --rule-soft: rgba(34, 56, 74, 0.1);
  --edge: rgba(34, 56, 74, 0.12);
  --edge-mid: rgba(34, 56, 74, 0.18);
  --edge-hard: rgba(34, 56, 74, 0.25);
  --ink-70: rgba(34, 56, 74, 0.72);
  --ink-60: rgba(34, 56, 74, 0.6);
  --ink-55: rgba(34, 56, 74, 0.55);
  --ink-50: rgba(34, 56, 74, 0.5);

  --sans: 'Josefin Sans', ui-sans-serif, system-ui, sans-serif;
  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;

  --gutter: 48px;
  --measure: 1240px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* Sticky header is 83px tall; keep anchored sections clear of it. */
  scroll-padding-top: 96px;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--slate);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; }

a {
  color: var(--green);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

a:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

::selection {
  background: var(--green);
  color: #fff;
}

/* Skip link — the nav is six items deep before any content. */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--slate);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 14px 20px;
}

.skip:focus {
  left: 12px;
  top: 12px;
  color: var(--paper);
}

/* ---------------------------------------------------------------- type ---- */

.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--green);
  margin: 0 0 16px;
}

.caption {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-60);
  margin-top: 12px;
}

.lede {
  font-size: 25px;
  line-height: 1.5;
  font-weight: 300;
  text-wrap: pretty;
}

.aside {
  font-style: italic;
  color: var(--ink-70);
}

/* -------------------------------------------------------------- header ---- */

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px var(--gutter);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  background: rgba(246, 244, 240, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 20;
}

.masthead__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.masthead__brand img {
  width: 38px;
  height: 38px;
  display: block;
}

.masthead__name {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  line-height: 1.2;
}

.masthead__sub {
  font-weight: 300;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--green);
  margin-top: 3px;
}

.masthead nav {
  display: flex;
  gap: 28px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 400;
}

.masthead nav a { color: var(--slate); }
.masthead nav a:hover { color: var(--green); }

/* ------------------------------------------------------------- sections ---- */

.section {
  padding: 0 var(--gutter) 128px;
  max-width: var(--measure);
  margin: 0 auto;
}

.section__head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  border-top: 1px solid var(--rule-strong);
  padding-top: 24px;
  margin-bottom: 64px;
}

.section__num {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--green);
  font-weight: 600;
}

.section__title {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 34px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
}

/* ----------------------------------------------------------------- hero ---- */

.hero {
  padding: 128px var(--gutter) 120px;
  max-width: var(--measure);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 72px;
  align-items: center;
}

.hero h1 {
  font-family: var(--sans);
  font-size: clamp(46px, 7vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
  text-transform: uppercase;
}

/* Both words carry the same weight — the wordmark reads as one unit. */
.hero h1,
.hero h1 strong { font-weight: 600; }

.hero__rule {
  width: 88px;
  height: 3px;
  background: var(--green);
  margin-bottom: 28px;
}

.hero p {
  margin: 0;
  max-width: 30em;
}

/* Sits directly on Paper — the mark is transparent-backed, so no plate. */
.hero__plate {
  padding: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
}

.hero__plate img {
  width: 100%;
  max-width: 360px;
  display: block;
}

/* ------------------------------------------------------------- gridwork ---- */

/* The hairline-grid pattern: 1px gap over a rule-colored bed. */
.grid-rule {
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.grid-rule > * { background: var(--white); }

.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

.panel {
  background: var(--white);
  border: 1px solid var(--edge);
  padding: 40px;
}

/* -------------------------------------------------------- 01 foundation ---- */

.foundation__intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
}

.foundation__intro p { margin: 0 0 20px; }
.foundation__intro p:last-child { margin-bottom: 0; }

.positioning {
  font-size: 27px;
  line-height: 1.42;
  font-weight: 300;
  text-wrap: pretty;
}

.audience { font-size: 20px; line-height: 1.6; }

.principle { padding: 44px 38px; }

.principle h3 {
  font-family: var(--sans);
  font-size: 15px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 12px;
}

.principle p { font-size: 19px; line-height: 1.55; margin: 0; }

/* -------------------------------------------------------------- 02 logo ---- */

/* Lockups ---------------------------------------------------------------
   Ratios measured off the Appalachian Aerial mailer: separation 0.561A,
   name cap height 0.262A, wordmark block 0.495A, blocks optically centred
   within 2px. Rounded to ½A, ¼A and ½A so the spec is drawable by hand. */

.lockups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}

.lk {
  --A: 84px;                    /* mark height; every other value derives */
  background: var(--white);
  border: 1px solid var(--edge);
  min-height: calc(var(--A) * 3);
  padding: calc(var(--A) * 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lk__mark {
  height: var(--A);
  width: auto;
  display: block;
  flex: none;
}

.lk--h { gap: calc(var(--A) * 0.5); }

.lk--stack {
  flex-direction: column;
  gap: calc(var(--A) * 0.5);
  text-align: center;
}

.lk__name {
  font-family: var(--sans);
  font-weight: 600;
  font-size: calc(var(--A) * 0.25);
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Unit name, flanked by rules — the mailer's "— AERIAL —" treatment. */
.lk__unit {
  display: flex;
  align-items: center;
  gap: 0.6em;
  margin-top: calc(var(--A) * 0.075);   /* + 0.125 cap = ⅕A baseline to baseline */
  font-family: var(--sans);
  font-weight: 400;
  font-size: calc(var(--A) * 0.125);
  line-height: 1;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  white-space: nowrap;
}

.lk__unit span {
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

/* Centred lockup needs the tracking optically re-centred. */
.lk--stack .lk__unit { justify-content: center; text-indent: 0.34em; }

.spec { display: grid; gap: 0; }

.spec > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 18px;
}

.spec > div:last-child { border-bottom: 0; }

.spec b {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--green);
}


.lockup {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  padding: 56px;
}

.lockup--light { background: var(--white); border: 1px solid var(--edge); }
.lockup--dark { background: var(--slate); }
.lockup img { width: 200px; display: block; }

/* Reversed uses the real white artwork, not a filtered copy of the
   full-colour mark. */

.logo-rules {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  margin-bottom: 56px;
}

.clearspace {
  border: 1px dashed var(--green);
  padding: 70px;
  position: relative;
}

.clearspace img { width: 140px; display: block; }

.clearspace__label {
  position: absolute;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--green);
}

.clearspace__label--y { top: 50%; left: 14px; transform: translateY(-50%); }
.clearspace__label--x { left: 50%; top: 14px; transform: translateX(-50%); }

.minsize {
  display: flex;
  align-items: flex-end;
  gap: 36px;
  margin-top: auto;
  flex-wrap: wrap;
}

.minsize figure { margin: 0; text-align: center; }
.minsize img { display: block; margin: 0 auto 10px; }

.minsize figcaption {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-60);
}

.misuse { padding: 30px; text-align: center; }

.misuse__stage {
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.misuse__stage img { width: 88px; display: block; }

.misuse__label {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 16px;
}

/* Each is a deliberate violation of the rule it illustrates. */
.misuse--distort img { width: 130px; height: 80px; }
.misuse--recolor img { filter: hue-rotate(150deg) saturate(2.2); }
.misuse--effects img { filter: drop-shadow(6px 8px 4px rgba(0, 0, 0, 0.45)); }
.misuse--onGreen .misuse__stage { background: var(--green); }

/* ------------------------------------------------------------- 03 color ---- */

.swatch--hero {
  padding: 44px;
  min-height: 290px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.swatch--slate { background: var(--slate); color: var(--paper); }
.swatch--green { background: var(--green); color: var(--white); }

.swatch__name {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-weight: 600;
}

.swatch__hex {
  font-family: var(--sans);
  font-size: 44px;
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.swatch__specs { font-size: 18px; line-height: 1.7; font-weight: 400; opacity: 0.85; }
.swatch--green .swatch__specs { opacity: 0.92; }

.swatch--sub { padding: 28px 26px; }

.swatch__chip {
  height: 52px;
  margin-bottom: 16px;
}

/* Paper and white need a hairline or they vanish into the card. */
.swatch__chip--outline { border: 1px solid var(--edge-mid); }

.swatch--sub h3 {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 6px;
}

.swatch--sub p { font-size: 17px; font-weight: 400; color: rgba(34, 56, 74, 0.7); margin: 0; }

.color__detail {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.proportion { display: flex; height: 56px; margin-bottom: 14px; }

.proportion__key {
  display: flex;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(34, 56, 74, 0.65);
}

.contrast {
  border: 1px solid var(--rule);
  background: var(--white);
}

.contrast__row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 18px;
}

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

.contrast__ratio {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-align: right;
  white-space: nowrap;
}

/* -------------------------------------------------------------- 04 type ---- */

.typeface { padding: 44px; }

.typeface__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 26px;
}

.typeface__weights {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-50);
}

.typeface__specimen {
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1;
  margin-bottom: 10px;
}

.typeface__glyphs {
  font-size: 26px;
  line-height: 1.3;
  margin-bottom: 26px;
  color: rgba(34, 56, 74, 0.75);
}

.typeface p { font-size: 19px; line-height: 1.55; font-weight: 400; margin: 0; }

.set-sans { font-family: var(--sans); }
.set-serif { font-family: var(--serif); }

.scale {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 26px 40px;
  align-items: baseline;
}

.scale__label {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-55);
}

.scale__display {
  font-family: var(--sans);
  font-size: clamp(38px, 5vw, 60px);
  font-weight: 300;
  text-transform: uppercase;
  line-height: 1;
}

.scale__section {
  font-family: var(--sans);
  font-size: 34px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.scale__tag {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.scale__lede { font-size: 27px; font-weight: 300; line-height: 1.42; max-width: 34em; }
.scale__body { font-size: 19px; font-weight: 400; line-height: 1.6; max-width: 44em; }

/* ------------------------------------------------------------- 05 voice ---- */

.voice { padding: 40px; }
.voice--do { border-top: 4px solid var(--green); }
.voice--dont { border-top: 4px solid var(--kraft); }

.voice h3 {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 22px;
}

.voice__lines {
  font-size: 20px;
  line-height: 1.65;
  font-weight: 400;
  display: grid;
  gap: 14px;
  margin: 0;
}

.voice--dont .voice__lines { color: var(--ink-55); }

.trait { padding: 30px 26px; }

.trait h3 {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 10px;
}

.trait p { font-size: 18px; line-height: 1.55; margin: 0; font-weight: 400; }

/* ------------------------------------------------------ 06 applications ---- */

#applications .eyebrow { margin: 0 0 20px; }

/* The card row closes the stationery group, so it carries the gap to
   the next heading. */
.applications { margin-bottom: 72px; }

/* Photography ------------------------------------------------------------ */

.shot { margin: 0 0 32px; }

.shot picture { display: block; }

.shot img {
  width: 100%;
  display: block;
}

/* The wrap is a location photograph, so it keeps its frame. */
.shot--wide img {
  aspect-ratio: 3 / 2;
  height: 100%;
  object-fit: cover;
}

/* These four arrive at four different ratios. Cropping them to a common
   tile cost the notebook its edges and cut the duffel's mark in half, so
   they are shown whole instead: equal height, natural width, centered. */
.goods {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 64px;
  align-items: end;
}

.goods .shot { margin: 0; }

.goods .shot img {
  height: 340px;
  object-fit: contain;
}

.shots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
  align-items: end;
}

/* The garments are cut out, so they sit on Paper rather than in a box.
   A shared height lines them up without cropping either one. */
.shots .shot img {
  height: 440px;
  object-fit: contain;
}

/* Built mockups ---------------------------------------------------------- */

.paper-item { margin: 0; }

.mock {
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stationery {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 32px;
  margin-bottom: 32px;
}

.stationery__stack {
  display: grid;
  grid-template-rows: auto auto;
  gap: 32px;
  align-content: start;
}

/* Letterhead — US Letter proportion. */
.mock--letterhead {
  background: var(--white);
  border: 1px solid var(--edge);
  aspect-ratio: 8.5 / 11;
  padding: 32px;
}

.mock__lhTop {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.mock__lhContact {
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: right;
  line-height: 1.7;
  color: rgba(34, 56, 74, 0.65);
}

/* Rules stand in for body copy rather than inventing filler text. */
.mock__lhBody {
  display: grid;
  gap: 11px;
  margin: 34px 0 auto;
}

.mock__lhBody span {
  height: 1px;
  background: rgba(34, 56, 74, 0.16);
}

.mock__lhBody span:nth-child(4) { width: 62%; }
.mock__lhBody span:nth-child(7) { width: 45%; }

.mock__lhFoot {
  border-top: 1px solid rgba(34, 56, 74, 0.15);
  padding-top: 12px;
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-55);
}

/* No. 10 envelope. */
.mock--envelope {
  background: var(--white);
  border: 1px solid var(--edge);
  aspect-ratio: 9.5 / 4.125;
  padding: 24px;
  justify-content: flex-start;
}

.mock__envTop { display: flex; align-items: flex-start; gap: 14px; }

.mock__envReturn {
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.8;
  color: rgba(34, 56, 74, 0.7);
}

/* Email signature. */
.mock--signature {
  background: var(--white);
  border: 1px solid var(--edge);
  flex-direction: row;
  align-items: flex-start;
  gap: 18px;
  padding: 26px;
}

.mock__sigName {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mock__sigRole {
  font-size: 16px;
  color: var(--ink-60);
  margin-top: 2px;
}

.mock__sigRule { width: 28px; height: 2px; background: var(--green); margin: 12px 0; }

.mock__sigMeta {
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1.9;
  color: rgba(34, 56, 74, 0.65);
}

/* Business card and signage. */
.applications {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.mock--card,
.mock--cardBack,
.mock--decal { aspect-ratio: 1.75 / 1; }

.mock--card { background: var(--slate); }


.mock__cardName {
  font-family: var(--sans);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  line-height: 1.4;
}

.mock__cardRule { width: 34px; height: 2px; background: var(--green); margin: 10px 0; }
.mock__cardCity { font-size: 15px; color: rgba(246, 244, 240, 0.8); line-height: 1.4; }

.mock--cardBack {
  background: var(--paper);
  border: 1px solid var(--edge);
  align-items: center;
  justify-content: center;
}

.mock--decal {
  background: var(--white);
  border: 1px solid var(--edge);
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.mock__decalName {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  line-height: 1.5;
  border-left: 1px solid var(--edge-hard);
  padding-left: 16px;
}

/* --------------------------------------------------------- 07 divisions ---- */

.divisions {
  background: var(--slate);
  color: var(--paper);
  padding: 120px var(--gutter);
}

.divisions__inner { max-width: var(--measure); margin: 0 auto; }

.divisions .section__head { border-top-color: rgba(246, 244, 240, 0.25); }

.divisions__lede { max-width: 38em; margin: 0 0 48px; }

.divisions__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.division {
  background: rgba(246, 244, 240, 0.06);
  border: 1px solid rgba(246, 244, 240, 0.16);
  padding: 34px;
}

/* The marks are slate + accent on transparent, so on the slate section the
   ridge would disappear. Paper tile — the guide's own "full color on light". */
.division__plate {
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
  margin-bottom: 26px;
}

.division__plate {
  margin-bottom: 10px;
}

.division__plate img {
  width: 100%;
  max-width: 150px;
  height: auto;
  display: block;
}

/* Two columns spanning the plate's width, so the pair reads as its edge. */
.division__pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 26px;
}

.division__chip { height: 38px; }

/* Slate on a slate card needs a hairline to read as a swatch at all. */
.division__chip--slate { box-shadow: inset 0 0 0 1px rgba(246, 244, 240, 0.3); }

.division__hex {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  margin-top: 8px;
  opacity: 0.75;
}

.division h3 {
  font-family: var(--sans);
  font-size: 15px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 10px;
}

.division p { font-size: 18px; line-height: 1.55; opacity: 0.8; margin: 0; }

/* -------------------------------------------------------------- footer ---- */

.colophon {
  padding: 56px var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-60);
  border-top: 1px solid var(--rule);
}

.colophon a { color: var(--ink-60); }
.colophon a:hover { color: var(--green); }

/* ==================================================== responsive layer ==== */

@media (max-width: 1080px) {
  .goods { grid-template-columns: repeat(2, 1fr); }
  .lockups { grid-template-columns: 1fr; }
  .goods .shot img { height: 300px; }
  :root { --gutter: 36px; }

  .hero { grid-template-columns: 1fr; gap: 56px; padding: 88px var(--gutter) 96px; }
  .hero__plate { order: -1; padding: 48px; max-width: 420px; }

  .foundation__intro { grid-template-columns: 1fr; gap: 40px; }
  .logo-rules { grid-template-columns: 1fr; }
  .color__detail { grid-template-columns: 1fr; gap: 40px; }
  .cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .masthead {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    position: static;
  }

  .masthead nav {
    gap: 18px 22px;
    flex-wrap: wrap;
  }

  html { scroll-padding-top: 24px; }

  .cols-3 { grid-template-columns: 1fr; }
  .lockups { grid-template-columns: 1fr; max-width: 480px; }
  .applications { grid-template-columns: 1fr; max-width: 480px; }
  .stationery { grid-template-columns: 1fr; max-width: 480px; }
  .goods { grid-template-columns: repeat(2, 1fr); }
  .shots { grid-template-columns: 1fr; max-width: 480px; }
  .shots .shot img { height: 340px; }
  .divisions__grid { grid-template-columns: 1fr; }
  .scale { grid-template-columns: 1fr; gap: 8px 0; }
  .scale__label { margin-top: 22px; }
  .scale > .scale__label:first-child { margin-top: 0; }
}

@media (max-width: 640px) {
  :root { --gutter: 22px; }

  body { font-size: 18px; }

  .section { padding-bottom: 88px; }
  .section__title { font-size: 27px; }
  .lede { font-size: 21px; }
  .positioning { font-size: 23px; }

  .cols-2,
  .cols-4 { grid-template-columns: 1fr; }

  .panel,
  .typeface,
  .voice { padding: 26px; }

  .swatch--hero { padding: 30px; min-height: 0; gap: 26px; }
  .swatch__hex { font-size: 34px; }

  .clearspace { padding: 44px; }
  .lockup { padding: 36px; min-height: 220px; }
  .divisions { padding: 88px var(--gutter); }

  .contrast__row { flex-direction: column; gap: 4px; }
  .contrast__ratio { text-align: left; }

  .colophon { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* ------------------------------------------------------------ printing ---- */

@media print {
  :root { --gutter: 0px; }

  body { font-size: 11pt; background: #fff; }
  .masthead { position: static; border-bottom: 1px solid var(--rule); }
  .skip { display: none; }
  .section,
  .divisions { break-inside: avoid; padding-bottom: 32px; }
  .divisions { background: var(--slate) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  a { color: var(--slate); }
}
