/* ==========================================================================
   Boss Collaborative
   Implements BC Brand Guide, 2026-10-11.
   Plain CSS, no build step, no framework. Deploys anywhere.
   ========================================================================== */

/* --- Tokens ------------------------------------------------------------- */

:root {
  /* Dark, the primary theme */
  --ground:      #14142A;
  --text:        #FAFAF8;
  --muted:       #A5A5BA;
  --accent:      #7281DC;
  --warm:        #E0B15C;
  --panel:       #1E1E34;
  --hairline:    rgba(250, 250, 248, 0.2);
  --hairline-soft: rgba(250, 250, 248, 0.14);
  --grid-line:   rgba(250, 250, 248, 0.05);
  --btn-label:   #14142A;

  /* Type */
  --display: Archivo, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --body:    "IBM Plex Sans", system-ui, -apple-system, Segoe UI, sans-serif;
  --serif:   "Instrument Serif", Georgia, "Times New Roman", serif;

  /* Layout. 7.2% of width, per the guide, clamped so it stays sane. */
  --margin: clamp(20px, 7.2vw, 92px);
  --measure: 62ch;
}

/* Light theme. Every value re-derived, never a recolour.
   Dark is the brand, so dark is the default regardless of the system setting.
   Light is one click away and the choice is remembered. */
:root[data-theme="light"] {
  --ground:    #FAFAF8;
  --text:      #1A1A2E;
  --muted:     #55555F;
  --accent:    #4453B0;
  --warm:      #8A5E18;
  --panel:     #EDEDF2;
  --hairline:  rgba(26, 26, 46, 0.22);
  --hairline-soft: rgba(26, 26, 46, 0.14);
  --grid-line: rgba(26, 26, 46, 0.05);
  --btn-label: #FAFAF8;
}

/* --- Reset -------------------------------------------------------------- */

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

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

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

/* --- Links. Colour is never the only signal. ---------------------------- */

a { color: var(--accent); }

.prose a,
a.inline {
  text-decoration: underline;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

.prose a:hover,
a.inline:hover { text-decoration-thickness: 2px; }

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

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: var(--margin);
  top: 12px;
  z-index: 100;
  background: var(--accent);
  color: var(--btn-label);
  padding: 10px 16px;
  font-weight: 600;
  text-decoration: none;
}

/* --- Layout ------------------------------------------------------------- */

.wrap {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--margin);
}

section { padding-block: clamp(48px, 7vw, 88px); }
section.tight { padding-block: clamp(32px, 4vw, 52px); }

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

/* --- Type --------------------------------------------------------------- */

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  margin: 0;
}

h1 {
  font-size: clamp(34px, 5.1vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(25px, 3vw, 32px);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

h3 {
  font-size: 17px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

/* The one italic serif word. Never two in a composition. */
.accent-word {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1.1em;
  color: var(--warm);
}

.eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm);
  margin: 0 0 14px;
}

.lede {
  font-size: clamp(17px, 1.6vw, 19px);
  line-height: 1.55;
  color: var(--muted);
  margin: 26px 0 0;
  max-width: 34em;
}

.prose { max-width: var(--measure); }
.prose p { margin: 0 0 1.1em; }

.muted { color: var(--muted); }

/* --- Header ------------------------------------------------------------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 26px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.012em;
}

.brand svg { width: 30px; height: 30px; flex: none; }

.site-nav {
  display: flex;
  gap: clamp(16px, 2.2vw, 30px);
  font-size: 14px;
  font-weight: 500;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}
.site-nav a:hover { color: var(--text); }
.site-nav a[aria-current="page"] {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 0.35em;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
}

/* --- Theme toggle ------------------------------------------------------- */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 1px solid var(--hairline);
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 12px;
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--text);
}

.theme-toggle svg { width: 14px; height: 14px; flex: none; }

/* The icon is the mark's own geometry, half lit. */
.theme-toggle .lit  { fill: var(--warm); }
.theme-toggle .dark { fill: var(--accent); }

/* --- Hero --------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(56px, 9vw, 104px) clamp(64px, 10vw, 120px);
}

/* Anchored right at its own aspect, never stretched. The hero clips it. */
.hero-art {
  position: absolute;
  top: 0;
  right: max(-6vw, -90px);
  bottom: 0;
  width: min(62%, 820px);
  height: 100%;
  pointer-events: none;
}

/* Below the two-column threshold the art sits behind the words, so it steps
   back. Text contrast on the ground is 17.3:1, and at this opacity the dots
   cannot pull any of it near the 4.5:1 floor. */
@media (max-width: 900px) {
  .hero-art {
    width: 118%;
    right: -30%;
    opacity: 0.3;
  }
}

.hero .wrap { position: relative; }

.hero-copy { max-width: 42rem; }

/* --- Buttons ------------------------------------------------------------ */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.btn {
  display: inline-block;
  padding: 15px 26px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--btn-label);
}
.btn-primary:hover { filter: brightness(1.08); }

.btn-secondary {
  border-color: var(--hairline);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--text); }

/* --- Proof -------------------------------------------------------------- */

/* A continuous band. Names are set in type, not logo images, so nothing
   implies endorsement by a federal agency. Logo files can drop straight in
   as <img> inside each li if permission is ever obtained. */

.marquee {
  position: relative;
  overflow: hidden;
  margin-top: 4px;
  padding-block: 10px;
  /* soften both edges so names enter and leave rather than being cut */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 48s linear infinite;
}

.marquee:hover .marquee-track,
.marquee:focus-within .marquee-track { animation-play-state: paused; }

.marquee-row {
  display: flex;
  align-items: center;
  gap: clamp(32px, 4.5vw, 64px);
  list-style: none;
  margin: 0;
  padding: 0 clamp(16px, 2.25vw, 32px);
  flex: none;
}

.marquee-row li {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(17px, 1.7vw, 21px);
  letter-spacing: -0.01em;
  white-space: nowrap;
  color: var(--muted);
}

@keyframes marquee-scroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* Motion is decoration here, so it goes away entirely when asked. The band
   becomes a normal scrollable row and the duplicate set is dropped. */
@media (prefers-reduced-motion: reduce) {
  .marquee {
    overflow-x: auto;
    -webkit-mask-image: none;
            mask-image: none;
  }
  .marquee-track { animation: none; width: auto; }
  .marquee-row[aria-hidden="true"] { display: none; }
}

/* --- Offer grid --------------------------------------------------------- */

/* Four buckets, as the offer architecture organises them. The bucket name
   sits in its own column so the categories stay visible while the cards
   still read as a scannable grid. */

.buckets {
  display: flex;
  flex-direction: column;
  gap: 36px;
  margin-top: 36px;
}

.bucket {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding-top: 26px;
  border-top: 1px solid var(--hairline-soft);
}

.bucket-label {
  font-family: var(--display);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.3;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--warm);
}

.bucket-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 680px) {
  .bucket-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1000px) {
  .bucket { grid-template-columns: 230px 1fr; gap: 32px; }
  .bucket-label { padding-top: 2px; }
}

.offer {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--hairline);
  padding: 26px 24px 28px;
  text-decoration: none;
  color: inherit;
}

.offer:hover { border-color: var(--accent); }

.offer .tick {
  width: 26px;
  height: 5px;
  background: var(--accent);
  margin-bottom: 20px;
}

.offer h3 { margin-bottom: 10px; }

.offer p {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--muted);
}

/* Custom Consulting is not a fifth bucket. It gets real distance from the
   four, a muted label rather than a gold one so it does not read as a peer
   category, and a gold tick so the card itself is visibly a different kind
   of thing from the eight offers above it. */

.bucket-aside {
  margin-top: 26px;
  border-top: 0;
  padding-top: 0;
}

.bucket-cards-single { grid-template-columns: 1fr !important; }

/* Full width and a dashed edge, but built exactly like the other cards:
   tick, then heading, then text, stacked. */
.offer-wide {
  grid-column: 1 / -1;
  border-style: dashed;
}

.offer-wide p { max-width: 54ch; }

/* --- Case studies -------------------------------------------------------
   Scroll-snap, driven by the reader. Deliberately not auto-advancing: a
   carousel that moves on its own takes the text away mid-sentence, and
   these cards are meant to be read rather than glimpsed.
   ------------------------------------------------------------------------ */

.cases-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cases-nav { display: flex; gap: 8px; }

.case-btn {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: none;
  border: 1px solid var(--hairline);
  color: var(--text);
  cursor: pointer;
  padding: 0;
}

.case-btn:hover { border-color: var(--accent); color: var(--accent); }
.case-btn svg { width: 18px; height: 18px; }

.cases {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 36px 0 0;
  /* full-bleed on the right so the next card peeks past the margin */
  padding: 4px var(--margin) 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: var(--margin);
  scrollbar-width: thin;
  scrollbar-color: var(--hairline) transparent;
  overscroll-behavior-x: contain;
}

.cases::-webkit-scrollbar { height: 8px; }
.cases::-webkit-scrollbar-thumb { background: var(--hairline); }

.case {
  flex: 0 0 min(88vw, 420px);
  scroll-snap-align: start;
  border: 1px solid var(--hairline);
  padding: 28px 26px 30px;
  display: flex;
  flex-direction: column;
}

.case-tag {
  margin: 0 0 16px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--warm);
}

.case h3 {
  font-size: 19px;
  line-height: 1.25;
  margin-bottom: 14px;
}

.case p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--muted);
}

.case-out {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
  color: var(--text) !important;
}

.case-out span {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

/* --- Contact ------------------------------------------------------------ */

.contact-email {
  margin: 36px 0 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(21px, 3.2vw, 34px);
  letter-spacing: -0.025em;
  word-break: break-word;
}

.steps {
  counter-reset: step;
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

@media (min-width: 760px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}

.steps li {
  counter-increment: step;
  border-top: 1px solid var(--hairline);
  padding-top: 18px;
}

.steps li::before {
  content: counter(step);
  display: block;
  font-family: var(--display);
  font-weight: 600;
  font-size: 13px;
  color: var(--warm);
  margin-bottom: 10px;
}

.steps h3 { margin-bottom: 8px; }

.steps p {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--muted);
}

/* --- Next step ---------------------------------------------------------- */

.next-step {
  border: 1px solid var(--hairline-soft);
  background: var(--panel);
  padding: clamp(28px, 4vw, 44px);
  display: flex;
  flex-wrap: wrap;
  gap: 28px 48px;
  align-items: center;
  justify-content: space-between;
}

.next-step p { margin: 14px 0 0; max-width: 42ch; }

/* --- Footer ------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--hairline-soft);
  padding-block: 40px 56px;
  font-size: 14px;
  color: var(--muted);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 56px;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav a { color: var(--muted); text-decoration: none; }
.footer-nav a:hover { color: var(--text); }

/* --- Preview only. Removed once every page exists. ---------------------- */

.preview-note {
  background: var(--warm);
  color: #14142A;
  font-size: 14px;
  text-align: center;
  padding: 9px 16px;
}

.unbuilt {
  opacity: 0.45;
  cursor: not-allowed;
}

.site-nav .unbuilt,
.footer-nav .unbuilt { text-decoration: line-through; }

.offer.unbuilt:hover { border-color: var(--hairline); }

.btn.unbuilt { filter: saturate(0.5); }

/* --- Motion ------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* --- Print -------------------------------------------------------------- */

@media print {
  .hero-art, .site-nav, .actions { display: none; }
  body { background: #fff; color: #000; }
}

.case-btn[disabled] {
  opacity: 0.3;
  cursor: default;
  border-color: var(--hairline-soft);
}
.case-btn[disabled]:hover { border-color: var(--hairline-soft); color: var(--text); }

/* The rail is focusable so it can be scrolled by keyboard. Make that visible. */
.cases:focus-visible { outline: 2px solid var(--warm); outline-offset: 4px; }

/* The gold tick marks Custom Consulting as the exception, matching the
   brand rule that gold means a beginning rather than a category. */
.offer-wide .tick { background: var(--warm); }
.offer-wide { border-color: color-mix(in srgb, var(--warm) 45%, transparent); }
.offer-wide:hover { border-color: var(--warm); }

/* --- About --------------------------------------------------------------
   The epigraph is the one place the serif gets more than a single word,
   because it is a quotation rather than the brand's own voice.
   ------------------------------------------------------------------------ */

.epigraph {
  margin: 30px 0 0;
  padding-left: clamp(16px, 2.2vw, 28px);
  border-left: 2px solid var(--warm);
  /* wide enough that each line of the couplet sits on its own line */
  max-width: min(100%, 580px);
}

.epigraph blockquote { margin: 0; }

.epigraph blockquote p {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.3;
  color: var(--text);
}

.epigraph figcaption {
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}

.epigraph cite { font-style: italic; }

.bio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 28px;
}

@media (min-width: 900px) {
  .bio-grid { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 56px; }
}

.credentials {
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
}

.credentials h3 {
  font-family: var(--body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm);
  margin: 0 0 12px;
}

.credentials h3 + ul { margin-bottom: 28px; }
.credentials ul:last-child { margin-bottom: 0; }

.credentials ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.credentials li {
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted);
  padding: 7px 0;
  border-bottom: 1px solid var(--hairline-soft);
}

.credentials li:last-child { border-bottom: 0; }

/* --- Photography --------------------------------------------------------
   Monochrome throughout, so a phone snap from a session sits beside a
   studio portrait without the two fighting, and so no photograph competes
   with the gold and periwinkle. A warm-grey border keeps a light image
   from floating on the dark ground.
   ------------------------------------------------------------------------ */

.portrait {
  margin: 0;
  align-self: start;
}

.portrait img {
  width: 100%;
  height: auto;
  border: 1px solid var(--hairline);
}

/* photo first on narrow screens, beside the text on wide ones */
@media (min-width: 900px) {
  .bio-grid-photo {
    grid-template-columns: 320px minmax(0, 1.4fr) minmax(0, 0.9fr);
    gap: 44px;
    align-items: start;
  }
}

.band {
  margin: clamp(40px, 6vw, 72px) 0 0;
  padding: 0;
}

.band img {
  width: 100%;
  height: auto;
  display: block;
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
}

.band figcaption {
  padding: 14px var(--margin) 0;
  font-size: 13px;
  color: var(--muted);
  max-width: 1280px;
  margin-inline: auto;
}

/* An inset band, for a photograph whose resolution will not carry full
   bleed. Contained at its native width rather than stretched, so it stays
   sharp instead of being magnified into softness. */
.band-inset {
  margin-top: clamp(32px, 4.5vw, 56px);
  max-width: 1000px;
}

.band-inset img {
  border: 1px solid var(--hairline);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

/* --- Work page: expandable offer rows -----------------------------------
   <details> rather than scripted accordions, so the page works with
   JavaScript off, each row is keyboard-operable for free, and the browser's
   own find-in-page can open a closed row. Rows share borders so a bucket
   reads as one block rather than ten floating cards.
   ------------------------------------------------------------------------ */

.ox-list { display: block; }
.ox-list .ox + .ox { margin-top: -1px; }

.ox {
  border: 1px solid var(--hairline);
  position: relative;
}
.ox[open] {
  border-color: var(--accent);
  z-index: 1;
}

.ox > summary {
  display: grid;
  grid-template-columns: 1fr 22px;
  grid-template-areas: "tick chev" "title chev" "sum chev";
  column-gap: 22px;
  padding: 24px 24px 26px;
  cursor: pointer;
  list-style: none;
}
.ox > summary::-webkit-details-marker { display: none; }
.ox > summary::marker { content: ""; }
.ox > summary:hover { background: var(--panel); }

.ox .tick {
  grid-area: tick;
  width: 26px;
  height: 5px;
  background: var(--accent);
  margin-bottom: 20px;
}
.ox-title {
  grid-area: title;
  font-family: var(--display);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}
.ox-sum {
  grid-area: sum;
  font-size: 16px;
  line-height: 1.5;
  color: var(--muted);
  max-width: 62ch;
}
.ox-chev {
  grid-area: chev;
  align-self: center;
  width: 22px;
  height: 22px;
  color: var(--muted);
  transition: transform 160ms ease;
}
.ox[open] > summary .ox-chev { transform: rotate(180deg); }
.ox[open] > summary .ox-sum { color: var(--text); }

.ox-body {
  padding: 4px 24px 30px;
  max-width: 74ch;
}
.ox-block + .ox-block { margin-top: 24px; }

.ox-block h4 {
  font-family: var(--body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--warm);
  margin: 0 0 9px;
}
.ox-block p {
  margin: 0;
  font-size: 16px;
  line-height: 1.62;
}

/* Custom Consulting keeps the gold exception it has on the home page. */
.ox-custom { border-color: color-mix(in srgb, var(--warm) 45%, transparent); }
.ox-custom[open] { border-color: var(--warm); }
.ox-custom .tick { background: var(--warm); }

.work-note {
  font-size: 15px;
  color: var(--muted);
  margin: 18px 0 0;
  max-width: 60ch;
}

@media (min-width: 1000px) {
  .ox > summary { padding-inline: 30px; }
  .ox-body { padding-inline: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  .ox-chev { transition: none; }
}

/* The Work page opens with a short intro and then goes straight into the
   buckets, so the two sections share one gap rather than stacking theirs. */
section.work-intro { padding-bottom: 0; }
section.work-offers { padding-top: clamp(30px, 3.4vw, 46px); }
.work-offers .buckets { margin-top: 0; }