/* ============================================================
   COLLECTIVE CULTURE — design system
   Bone paper, near-black ink, acid signature, editorial serif.
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face {
  font-family: 'Fraunces';
  src: url('../fonts/fraunces.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('../fonts/fraunces-italic.woff2') format('woff2');
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Instrument Sans';
  src: url('../fonts/instrument-sans.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --bone: #F2EDE3;
  --bone-2: #E9E3D3;
  --ink: #191713;
  --ink-soft: #4A453C;
  --ink-15: rgba(25, 23, 19, 0.16);
  --ink-40: rgba(25, 23, 19, 0.44);
  --acid: #C8F04A;
  --acid-soft: #D9F87E;
  --olive: #55621A;
  --cobalt: #2438C9;
  --vermilion: #D8431C;
  --saffron: #DE9A2C;
  --clay: #A96248;
  --graphite: #37342E;

  --serif: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --sans: 'Instrument Sans', 'Helvetica Neue', Arial, sans-serif;

  --pad: clamp(20px, 4.5vw, 72px);
  --max: 1560px;
  --sect: clamp(96px, 15vh, 190px);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-swift: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html:focus-within { scroll-behavior: smooth; }
body {
  background: var(--bone);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  font-weight: 400;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--acid); color: var(--ink); }

/* Paper grain */
body::after {
  content: '';
  position: fixed; inset: -50%;
  pointer-events: none;
  z-index: 2147483000;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
  mix-blend-mode: multiply;
}

/* Focus */
:focus-visible {
  outline: 2px solid var(--cobalt);
  outline-offset: 3px;
  border-radius: 1px;
}
.on-ink :focus-visible, .site-footer :focus-visible, .menu-overlay :focus-visible { outline-color: var(--acid); }

.skip-link {
  position: absolute; left: var(--pad); top: -100px;
  z-index: 300;
  background: var(--ink); color: var(--bone);
  font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.7em 1.2em; text-decoration: none;
  transition: top 0.2s var(--ease-out);
}
.skip-link:focus { top: 12px; }

/* ---------- Layout ---------- */
.container { max-width: var(--max); margin-inline: auto; padding-inline: var(--pad); }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: clamp(16px, 2vw, 32px); }
.section { padding-block: var(--sect); }
.rule { border: 0; border-top: 1px solid var(--ink-15); }
.on-ink .rule { border-top-color: rgba(242, 237, 227, 0.22); }

/* ---------- Type ---------- */
h1, h2, h3, h4 { font-weight: inherit; }
.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.on-ink .eyebrow { color: rgba(242, 237, 227, 0.62); }
.eyebrow .tick { margin-right: 0.6em; }


.display-1 {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-variation-settings: 'SOFT' 0, 'WONK' 1;
  font-weight: 420;
  font-size: clamp(3rem, 9vw, 9rem);
  line-height: 0.95;
  letter-spacing: -0.018em;
  text-wrap: balance;
}
.display-2 {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-variation-settings: 'SOFT' 0, 'WONK' 1;
  font-weight: 430;
  font-size: clamp(2.3rem, 5.6vw, 5.1rem);
  line-height: 1.02;
  letter-spacing: -0.012em;
  text-wrap: balance;
}
.display-3 {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 460;
  font-size: clamp(1.75rem, 3.4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.008em;
  text-wrap: balance;
}
.serif-lead {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 420;
  font-size: clamp(1.3rem, 2.1vw, 1.85rem);
  line-height: 1.34;
}
.lead {
  font-size: clamp(1.06rem, 1.35vw, 1.3rem);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 34em;
}
.on-ink .lead { color: rgba(242, 237, 227, 0.78); }
.prose p { max-width: 38em; }
.prose p + p { margin-top: 1.1em; }
.small { font-size: 0.875rem; line-height: 1.6; }
.num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-optical-sizing: auto;
}
em, .it { font-style: italic; font-variation-settings: normal; }

/* Acid highlight sweep (marker block behind a word) */
.hl {
  position: relative;
  white-space: nowrap;
  z-index: 0;
}
.hl::before {
  content: '';
  position: absolute;
  z-index: -1;
  left: -0.06em; right: -0.08em; top: 0.10em; bottom: 0.02em;
  background: var(--acid);
  transform: skewX(-4deg) scaleX(1);
  transform-origin: left center;
}


/* ---------- The lens: the monogram's shared space, used as the site's mark ---------- */
:root {
  --lens-olive: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cg transform='rotate(-16 50 50)'%3E%3Cpath d='M50 12 A46 46 0 0 1 50 88 A46 46 0 0 1 50 12 Z' fill='%2355621A'/%3E%3C/g%3E%3C/svg%3E");
  --lens-acid: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cg transform='rotate(-16 50 50)'%3E%3Cpath d='M50 12 A46 46 0 0 1 50 88 A46 46 0 0 1 50 12 Z' fill='%23C8F04A'/%3E%3C/g%3E%3C/svg%3E");
  --lens-ink: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cg transform='rotate(-16 50 50)'%3E%3Cpath d='M50 12 A46 46 0 0 1 50 88 A46 46 0 0 1 50 12 Z' fill='%23191713'/%3E%3C/g%3E%3C/svg%3E");
}
.lens-mark, .eyebrow .tick {
  display: inline-block;
  width: 0.58em; height: 0.8em;
  font-size: inherit; color: transparent; overflow: hidden;
  background: var(--lens-olive) no-repeat center / contain;
  vertical-align: -0.08em;
}
.on-ink .eyebrow .tick, .on-acid .eyebrow .tick { background-image: var(--lens-acid); }
.on-acid .eyebrow .tick { background-image: var(--lens-ink); }

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.9em;
  font-family: var(--sans);
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 1.05em 1.7em;
  border-radius: 2px;
  text-decoration: none;
  border: 1px solid var(--ink);
  transition: background-color 0.25s var(--ease-swift), color 0.25s var(--ease-swift), border-color 0.25s var(--ease-swift), transform 0.25s var(--ease-swift);
}
.btn .arr { transition: transform 0.25s var(--ease-swift); }
.btn:hover .arr, .btn:focus-visible .arr { transform: translateX(4px); }
.btn-solid { background: var(--ink); color: var(--bone); }
.btn-solid:hover, .btn-solid:focus-visible { background: var(--acid); color: var(--ink); border-color: var(--acid); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover, .btn-ghost:focus-visible { background: var(--ink); color: var(--bone); }
.btn-acid { background: var(--acid); color: var(--ink); border-color: var(--acid); }
.btn-acid:hover, .btn-acid:focus-visible { background: var(--ink); color: var(--acid); border-color: var(--ink); }
.on-ink .btn-ghost { color: var(--bone); border-color: rgba(242,237,227,0.6); }
.on-ink .btn-ghost:hover, .on-ink .btn-ghost:focus-visible { background: var(--bone); color: var(--ink); border-color: var(--bone); }

.line-link {
  display: inline-flex; align-items: baseline; gap: 0.55em;
  font-family: var(--sans); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  text-decoration: none;
  padding-bottom: 0.45em;
  position: relative;
}
.line-link::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform-origin: right center;
  transition: transform 0.35s var(--ease-swift);
}
.line-link:hover::after, .line-link:focus-visible::after {
  transform: scaleX(0.4);
  transform-origin: center;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: var(--bone);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 1px 0 var(--ink-15); }
.site-header .bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem;
  padding-block: 1.05rem;
}
.brand-link { display: inline-flex; align-items: center; text-decoration: none; }
.brand-link svg { height: clamp(20px, 1.9vw, 26px); width: auto; }
.site-nav { display: flex; align-items: center; gap: clamp(1.2rem, 2.4vw, 2.6rem); }
.site-nav a:not(.btn) {
  font-family: var(--sans); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  text-decoration: none;
  position: relative;
  padding-block: 0.4em;
}
.site-nav a:not(.btn)::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--acid);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s var(--ease-swift);
}
.site-nav a:not(.btn):hover::after,
.site-nav a:not(.btn):focus-visible::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.site-nav .btn { padding: 0.75em 1.3em; }
.menu-btn { display: none; }

/* Mobile menu */
@media (max-width: 900px) {
  .site-nav { display: none; }
  .menu-btn {
    display: inline-flex; align-items: center; gap: 0.7em;
    font-family: var(--sans); font-size: 0.78rem; font-weight: 600;
    letter-spacing: 0.16em; text-transform: uppercase;
    padding: 0.5em 0.2em;
  }
  .menu-btn .glyph { display: inline-block; width: 22px; }
  .menu-btn .glyph span {
    display: block; height: 2px; background: var(--ink);
    margin-block: 4px;
    transition: transform 0.3s var(--ease-swift), opacity 0.3s;
  }
}
.menu-overlay {
  position: fixed; inset: 0; z-index: 250;
  background: var(--ink); color: var(--bone);
  display: flex; flex-direction: column;
  padding: var(--pad);
  visibility: hidden; opacity: 0;
  transition: opacity 0.35s var(--ease-swift), visibility 0s 0.35s;
}
.menu-overlay.open { visibility: visible; opacity: 1; transition: opacity 0.35s var(--ease-swift); }
.menu-overlay::before, .menu-overlay::after {
  content: '';
  position: absolute;
  width: 72vmin; height: 72vmin;
  border: 1px solid rgba(242, 237, 227, 0.14);
  border-radius: 50%;
  pointer-events: none;
}
.menu-overlay::before { right: -18vmin; top: -24vmin; }
.menu-overlay::after { right: 16vmin; top: 4vmin; }
.menu-overlay > * { position: relative; z-index: 1; }
.menu-overlay .menu-top { display: flex; justify-content: space-between; align-items: center; }
.menu-overlay .menu-top svg { height: 22px; width: auto; }
.menu-close {
  font-family: var(--sans); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--bone);
  padding: 0.6em 0.4em;
}
.menu-list { list-style: none; margin-top: clamp(2rem, 8vh, 5rem); }
.menu-list a {
  display: flex; align-items: baseline; gap: 1rem;
  font-family: var(--serif); font-optical-sizing: auto; font-weight: 400;
  font-size: clamp(2rem, 8.5vw, 3.2rem);
  line-height: 1.28;
  text-decoration: none;
  color: var(--bone);
}
.menu-list a .idx { font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.15em; color: rgba(242,237,227,0.5); }
.menu-list a:hover, .menu-list a:focus-visible { color: var(--acid); }
.menu-overlay .menu-foot { margin-top: auto; padding-top: 2rem; color: rgba(242,237,227,0.6); font-size: 0.85rem; }
.menu-overlay .menu-foot a { color: var(--bone); }

/* ---------- Sections on ink ---------- */
.on-ink { background: var(--ink); color: var(--bone); }
.on-acid { background: var(--acid); color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink); color: var(--bone);
  padding-block: clamp(64px, 9vh, 120px) 40px;
}
.site-footer .foot-mark svg { height: clamp(46px, 6vw, 84px); width: auto; }
.site-footer .foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 6rem);
  align-items: start;
  margin-top: clamp(2.5rem, 5vh, 4.5rem);
}
.site-footer .foot-head {
  font-family: var(--sans); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(242,237,227,0.5);
  margin-bottom: 1.1rem;
}
.site-footer ul { list-style: none; }
.site-footer ul li + li { margin-top: 0.55rem; }
.site-footer ul a { text-decoration: none; font-size: 0.95rem; }
.site-footer ul a:hover, .site-footer ul a:focus-visible { color: var(--acid); }
.foot-email {
  font-family: var(--serif); font-optical-sizing: auto;
  font-size: clamp(1.02rem, 1.55vw, 1.5rem);
  font-weight: 430;
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid rgba(242,237,227,0.35);
  transition: border-color 0.25s, color 0.25s;
  overflow-wrap: anywhere;
}
.foot-email:hover, .foot-email:focus-visible { color: var(--acid); border-color: var(--acid); }
.foot-line { margin-top: clamp(3rem, 7vh, 5.5rem); padding-top: 1.6rem; border-top: 1px solid rgba(242,237,227,0.18);
  display: flex; flex-wrap: wrap; gap: 1rem 2.4rem; align-items: center; justify-content: space-between;
  font-size: 0.8rem; color: rgba(242,237,227,0.55);
}
.foot-line a { color: rgba(242,237,227,0.75); text-decoration: none; }
.foot-line a:hover, .foot-line a:focus-visible { color: var(--acid); }
.foot-line .legal { display: flex; gap: 1.6rem; flex-wrap: wrap; }
@media (max-width: 760px) {
  .site-footer .foot-grid { grid-template-columns: 1fr; }
}

/* ---------- Reveal motion ---------- */
.rv { opacity: 0; transform: translateY(14px); }
.rv.in {
  opacity: 1; transform: none;
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 70ms);
}
/* Hero word reveal */
.wline { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.wline > span { display: inline-block; transform: translateY(110%); }
.words-in .wline > span {
  transform: none;
  transition: transform 1.05s var(--ease-out);
}
.words-in .wline:nth-child(2) > span { transition-delay: 120ms; }
.words-in .wline:nth-child(3) > span { transition-delay: 240ms; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv, .wline > span { opacity: 1 !important; transform: none !important; transition: none !important; }
  .marquee .track { animation: none !important; transform: none !important; }
  *, *::before, *::after { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
}

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--ink-15);
  padding-block: 0.9rem;
  white-space: nowrap;
}
.marquee .track {
  display: inline-block;
  animation: marquee 95s linear infinite;
  will-change: transform;
}
.marquee .track span {
  font-family: var(--serif); font-style: italic; font-optical-sizing: auto;
  font-size: clamp(1.05rem, 1.6vw, 1.5rem);
  color: var(--ink-soft);
}
.marquee .track .dot {
  display: inline-block; width: 0.5em; height: 0.68em;
  color: transparent; overflow: hidden; font-style: normal;
  background: var(--lens-olive) no-repeat center / contain;
  margin-inline: 1.5em; vertical-align: -0.04em;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Page hero (interior pages) ---------- */
.page-hero { padding-top: clamp(70px, 11vh, 150px); padding-bottom: clamp(48px, 8vh, 110px); }
.page-hero .eyebrow { margin-bottom: 1.6rem; }
.page-hero .lead { margin-top: 1.8rem; }

/* ---------- Editorial list rows (services index) ---------- */
.index-rows { list-style: none; border-top: 1px solid var(--ink-15); }
.index-rows li { border-bottom: 1px solid var(--ink-15); }
.index-rows a {
  display: grid;
  grid-template-columns: 3.4rem 1fr auto;
  align-items: baseline;
  gap: 1.2rem;
  padding-block: clamp(1.15rem, 2.4vh, 1.7rem);
  text-decoration: none;
  transition: padding-left 0.35s var(--ease-swift);
}
.index-rows .no {
  font-family: var(--sans); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.12em; color: var(--ink-40);
  transition: color 0.3s;
}
.receive-list li::before, .out-list li::before, .a11y-list li::before, .doc ul.plain li::before {
  content: '' !important;
  width: 0.5em; height: 0.68em; flex: 0 0 auto;
  background: var(--lens-olive) no-repeat center / contain;
  transform: translateY(0.18em) !important;
}
.index-rows .ttl {
  font-family: var(--serif); font-optical-sizing: auto; font-weight: 440;
  font-size: clamp(1.5rem, 3.1vw, 2.7rem);
  line-height: 1.05;
}
.index-rows .arrow { font-family: var(--sans); font-size: 1.2rem; transition: transform 0.35s var(--ease-swift); }
.index-rows a:hover, .index-rows a:focus-visible { padding-left: clamp(0.6rem, 1.4vw, 1.4rem); }
.index-rows a:hover .no, .index-rows a:focus-visible .no { color: var(--olive); }
.index-rows a:hover .arrow, .index-rows a:focus-visible .arrow { transform: translateX(6px); }

/* ---------- Big quote ---------- */
.pull-quote {
  font-family: var(--serif); font-optical-sizing: auto; font-weight: 420;
  font-variation-settings: 'SOFT' 0, 'WONK' 1;
  font-size: clamp(1.9rem, 4.4vw, 4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label {
  font-family: var(--sans); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft);
}
.field label .req { color: var(--vermilion); }
.field input, .field textarea, .field select {
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink-40);
  border-radius: 0;
  padding: 0.65em 0.1em;
  transition: border-color 0.25s;
  appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23191713' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.3em center;
  padding-right: 1.8em;
}
.field input:hover, .field textarea:hover, .field select:hover { border-bottom-color: var(--ink); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-bottom-color: var(--ink);
  box-shadow: 0 1px 0 var(--ink);
}
.field textarea { resize: vertical; min-height: 7em; }
.field .err-msg { display: none; font-size: 0.82rem; color: var(--vermilion); }
.field.invalid input, .field.invalid textarea { border-bottom-color: var(--vermilion); }
.field.invalid .err-msg { display: block; }

.form-note { font-size: 0.85rem; color: var(--ink-soft); max-width: 30em; }
.form-status { font-size: 0.95rem; line-height: 1.55; }
.form-status[data-state="error"] { color: var(--vermilion); }
.form-status a { color: inherit; }

/* Loading: two circles exchanging places — the mark in motion */
.spinner {
  position: relative;
  width: 1.5em; height: 0.9em;
  display: inline-block;
  vertical-align: -0.12em;
}
.spinner::before, .spinner::after {
  content: '';
  position: absolute; top: 0.06em;
  width: 0.72em; height: 0.72em;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}
.spinner::before { left: 0; animation: xchg-a 1.2s var(--ease-swift) infinite; }
.spinner::after { right: 0; animation: xchg-b 1.2s var(--ease-swift) infinite; }
@keyframes xchg-a { 0%,100% { transform: none; } 50% { transform: translateX(0.6em); } }
@keyframes xchg-b { 0%,100% { transform: none; } 50% { transform: translateX(-0.6em); } }

/* ---------- Utility ---------- */
.mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mt-3 { margin-top: 3rem; }
.center { text-align: center; }
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap;
}
.tabular { font-variant-numeric: tabular-nums; }