/* German Firma — Engineered Clarity design system
   Tokens and components per DESIGN.md + universal-rules/RULE-CSS-DESIGN.md
   ============================================================== */

:root {
  --surface: #FBF9F4;
  --surface-container-low: #F5F3EE;
  --surface-container: #F0EEE9;
  --surface-container-high: #EAE7E0;
  --on-surface: #1B1C19;
  --on-surface-variant: #585757;
  --outline: #1B1C19;
  --outline-variant: #E5E2DB;
  --tertiary: #D62828;
  --tertiary-hover: #B71F1F;
  --on-tertiary: #FFFFFF;
  --muted: #8A8784;

  --font-display: "Space Grotesk", "Inter Tight", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
  --font-editorial: "Source Serif 4", "Charter", "Georgia", serif;

  --max-width: 1280px;
  --gutter: 24px;
  --side-pad: 48px;
  --radius: 2px;

  /* Refresh tokens (BMW + WIRED + Sanity synthesis) */
  --ink: #0E0F0D;
  --ink-soft: #2A2B28;
  --paper: #FBF9F4;
  --accent-link: #1B47A6;
  --rule-strong: 2px solid var(--on-surface);
  --measure: 68ch;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 17px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  color: var(--on-surface);
  background: var(--surface);
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
a:not(.btn):hover { border-bottom: 1px solid var(--tertiary); }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
  line-height: 1.1;
}
h1 { font-size: 48px; }
h2 { font-size: 32px; }
h3 { font-size: 22px; letter-spacing: -0.015em; }
h4 { font-size: 18px; }

p { margin-bottom: 16px; }
ul, ol { margin: 0 0 16px 24px; }
li { margin-bottom: 8px; }

strong { font-weight: 600; }

code, .mono { font-family: var(--font-mono); font-size: 0.95em; }

.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--tertiary);
}

.kicker--muted { color: var(--on-surface-variant); }

.statute {
  font-family: var(--font-mono);
  font-size: 0.92em;
  color: var(--on-surface);
  white-space: nowrap;
}
/* Allow statute breaks on narrow viewports */
@media (max-width: 1024px) {
  .statute { white-space: normal; }
}

/* Layout ================================================== */

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--side-pad); }

.section { padding: 64px 0; border-bottom: 1px solid var(--outline-variant); }
.section--tight { padding: 32px 0; }
.section--lead { padding: 96px 0 48px; }

.grid { display: grid; gap: var(--gutter); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-7-5 { grid-template-columns: 7fr 5fr; }

.rule-top { border-top: 1px solid var(--outline-variant); padding-top: 48px; }
.rule-bottom { border-bottom: 1px solid var(--outline-variant); padding-bottom: 48px; }

/* Navigation ============================================== */

.nav {
  position: sticky; top: 0; z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--outline-variant);
  height: 64px;
  display: flex; align-items: center;
}
.nav-inner { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--side-pad); }
.nav-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; font-size: 18px; letter-spacing: -0.02em; color: var(--on-surface); }
.nav-logo svg { width: 28px; height: 28px; color: var(--on-surface); }
.nav-wordmark { display: inline-block; }
.nav-wordmark em { font-style: normal; font-weight: 700; color: var(--tertiary); }
.nav-list { display: flex; gap: 32px; list-style: none; margin: 0; }
.nav-list > li { position: relative; }
.nav-list a { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 4px; }
.nav-caret { font-size: 10px; opacity: 0.6; transition: transform 150ms ease; }
.nav-item--has-dropdown:hover .nav-caret,
.nav-item--has-dropdown:focus-within .nav-caret { transform: rotate(180deg); }
.nav-phone { font-family: var(--font-mono); font-size: 13px; color: var(--on-surface-variant); }
.nav-burger { display: none; background: none; border: none; font-family: var(--font-mono); font-size: 20px; cursor: pointer; color: var(--on-surface); }

/* Desktop dropdown */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  padding: 16px 0;
  display: none;
  z-index: 30;
}
.nav-dropdown--narrow { padding: 8px 0; }
.nav-dropdown a {
  display: block;
  padding: 8px 24px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--on-surface);
  border-bottom: none;
}
.nav-dropdown a:hover { background: var(--surface-container-low); border-bottom: none; color: var(--tertiary); }
.nav-dropdown-grid { display: grid; grid-template-columns: repeat(3, 220px); gap: 8px; padding: 0 8px; }
.nav-dropdown-col { display: flex; flex-direction: column; }
.nav-dropdown-heading {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  padding: 12px 24px 6px;
}
/* Mega-dropdown for Services anchors to nav inner edge */
.nav-item--has-dropdown:nth-child(1) .nav-dropdown { left: -16px; }
.nav-item--has-dropdown:hover > .nav-dropdown,
.nav-item--has-dropdown:focus-within > .nav-dropdown { display: block; }

.nav-mobile { display: none; position: fixed; inset: 0; background: var(--surface); z-index: 20; padding: 80px 32px 32px; overflow-y: auto; }
.nav-mobile.open { display: block; }
.nav-mobile ul { list-style: none; margin: 0; }
.nav-mobile > ul > li { margin-bottom: 16px; }
.nav-mobile a { font-family: var(--font-display); font-size: 24px; font-weight: 600; display: block; padding: 4px 0; }
.nav-mobile-close { position: absolute; top: 24px; right: 32px; background: none; border: none; font-size: 28px; cursor: pointer; color: var(--on-surface); }
.nav-mobile-toggle {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
  color: var(--on-surface);
  display: flex; align-items: center; justify-content: space-between;
}
.nav-mobile-toggle .nav-caret { font-size: 18px; opacity: 0.6; transition: transform 200ms ease; }
.nav-mobile-toggle[aria-expanded="true"] .nav-caret { transform: rotate(180deg); }
.nav-mobile-sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height 250ms ease;
  padding-left: 16px;
  border-left: 1px solid var(--outline-variant);
  margin-top: 0 !important;
}
.nav-mobile-toggle[aria-expanded="true"] + .nav-mobile-sub { max-height: 1000px; margin-top: 12px !important; }
.nav-mobile-sub li { margin-bottom: 8px !important; }
.nav-mobile-sub a { font-size: 16px; font-weight: 400; padding: 6px 0; color: var(--on-surface-variant); }

/* Buttons ================================================= */

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border: 1px solid var(--on-surface);
  background: var(--on-surface);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease;
  cursor: pointer;
}
.btn:hover { background: var(--on-surface-variant); border-color: var(--on-surface-variant); border-bottom-color: var(--on-surface-variant); }

.btn--tertiary { background: var(--tertiary); border-color: var(--tertiary); }
.btn--tertiary:hover { background: var(--tertiary-hover); border-color: var(--tertiary-hover); }

.btn--ghost { background: transparent; color: var(--on-surface); border-color: var(--outline-variant); }
.btn--ghost:hover { border-color: var(--on-surface); background: transparent; color: var(--on-surface); }

/* Hero ===================================================== */

.hero { padding: 96px 0 64px; border-bottom: 1px solid var(--outline-variant); }
.hero-grid { display: grid; grid-template-columns: 7fr 5fr; gap: var(--gutter); align-items: end; }
.hero-display { font-family: var(--font-display); font-weight: 600; font-size: 72px; line-height: 1.02; letter-spacing: -0.025em; overflow-wrap: break-word; word-break: break-word; hyphens: auto; }
.hero-sub { font-size: 20px; color: var(--on-surface-variant); max-width: 520px; margin: 24px 0 32px; line-height: 1.55; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-right { border-left: 1px solid var(--outline-variant); padding-left: 32px; padding-top: 24px; }

/* Big-number block ======================================== */

.bignum-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--outline-variant);
  border-bottom: 1px solid var(--outline-variant);
}
.bignum {
  padding: 48px 24px;
  border-right: 1px solid var(--outline-variant);
  text-align: left;
}
.bignum:last-child { border-right: none; }
.bignum-value { font-family: var(--font-mono); font-weight: 500; font-size: 56px; letter-spacing: -0.02em; line-height: 1; color: var(--on-surface); }
.bignum-value--accent { color: var(--tertiary); }
.bignum-label { margin-top: 12px; font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--on-surface-variant); }

.bignum-row--3 { grid-template-columns: repeat(3, 1fr); }

/* Service cards =========================================== */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--outline-variant);
  border-left: 1px solid var(--outline-variant);
}
.card {
  padding: 32px;
  border-right: 1px solid var(--outline-variant);
  border-bottom: 1px solid var(--outline-variant);
  background: var(--surface);
  display: flex; flex-direction: column; gap: 12px;
  transition: background 150ms ease;
  min-height: 220px;
}
.card:hover { background: var(--surface-container-high); }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card-idx { font-family: var(--font-mono); font-size: 11px; color: var(--tertiary); letter-spacing: 0.1em; }
.card-arrow { font-family: var(--font-mono); font-size: 18px; color: var(--on-surface); }
.card h3 { font-size: 22px; margin-bottom: 8px; text-transform: none; }
.card p { font-size: 15px; color: var(--on-surface-variant); line-height: 1.55; }
.card-footer { margin-top: auto; }

.cards--4 { grid-template-columns: repeat(4, 1fr); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }

/* === Office grid v2 (contact page, magazine layout) ====== */
.office-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.office-tile {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  color: inherit;
  text-decoration: none;
  transition: background 200ms ease, border-color 200ms ease;
  overflow: hidden;
}
.office-tile:hover {
  background: var(--surface-container-low);
  border-color: var(--on-surface);
}
.office-tile-photo {
  position: relative;
  overflow: hidden;
  background: var(--surface-container-low);
}
.office-tile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  transition: filter 250ms ease, transform 350ms ease;
  display: block;
}
.office-tile:hover .office-tile-photo img {
  filter: grayscale(0%);
  transform: scale(1.04);
}
.office-tile-body {
  padding: 28px 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.office-tile-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}
.office-tile-city {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--on-surface);
  margin: 0;
}
.office-tile-addr {
  font-family: var(--font-mono);
  font-size: 12px;
  font-style: normal;
  line-height: 1.6;
  color: var(--on-surface-variant);
  margin: 0;
}
.office-tile-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.office-tile-phone {
  color: var(--on-surface);
  font-weight: 500;
  border-bottom: 1px dotted transparent;
}
.office-tile:hover .office-tile-phone {
  border-bottom-color: var(--tertiary);
  color: var(--tertiary);
}
.office-tile-mail {
  color: var(--on-surface-variant);
  border-bottom: 1px dotted var(--outline-variant);
}
.office-tile-partner {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--outline-variant);
}
.office-tile-partner img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  border: 1px solid var(--outline-variant);
  flex-shrink: 0;
}
.office-tile-partner-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--on-surface);
  line-height: 1.2;
}
.office-tile-partner-role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--on-surface-variant);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* Office / Location cards ================================= */

.office-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: var(--surface);
  border-right: 1px solid var(--outline-variant);
  border-bottom: 1px solid var(--outline-variant);
  transition: background 150ms ease;
  color: inherit;
  text-decoration: none;
  min-height: 360px;
}
.office-card:hover { background: var(--surface-container-high); border-bottom-color: var(--outline-variant); }
.office-card:last-child { border-right: none; }
.office-img { aspect-ratio: 16/9; width: 100%; margin-bottom: 20px; border: 1px solid var(--outline-variant); overflow: hidden; }
.office-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%) contrast(1.05); transition: filter 200ms ease, transform 200ms ease; }
.office-card:hover .office-img img { filter: grayscale(0%); transform: scale(1.03); }
.office-card h3 { font-family: var(--font-display); font-weight: 600; font-size: 22px; margin-bottom: 12px; letter-spacing: -0.02em; color: var(--on-surface); text-transform: none; }
.office-card address { font-family: var(--font-mono); font-size: 12px; font-style: normal; color: var(--on-surface-variant); line-height: 1.7; margin-bottom: 16px; flex-grow: 1; }
.office-card address a { color: var(--on-surface-variant); border-bottom: 1px dotted var(--outline-variant); }
.office-card address a:hover { color: var(--tertiary); border-bottom-color: var(--tertiary); }
.office-card .kicker { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--tertiary); margin-top: auto; padding-top: 12px; border-top: 1px solid var(--outline-variant); }

/* Author cards ============================================ */

.author-card { padding: 24px; border-right: 1px solid var(--outline-variant); border-bottom: 1px solid var(--outline-variant); }
.author-card:last-child { border-right: none; }
.author-img { aspect-ratio: 1/1; width: 100%; margin-bottom: 16px; border: 1px solid var(--outline-variant); overflow: hidden; }
.author-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%) contrast(1.05); transition: filter 200ms ease; }
.author-card:hover .author-img img { filter: grayscale(0%); }
.author-kicker { font-family: var(--font-mono); font-size: 11px; color: var(--tertiary); letter-spacing: 0.1em; text-transform: uppercase; }
.author-name { font-family: var(--font-display); font-size: 20px; font-weight: 700; letter-spacing: -0.02em; margin: 4px 0; }
.author-role { font-size: 13px; color: var(--on-surface-variant); }
.author-meta { font-family: var(--font-mono); font-size: 11px; color: var(--muted); margin-top: 8px; letter-spacing: 0.05em; text-transform: uppercase; }

/* Byline (top-of-page) ==================================== */

.byline { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; padding: 16px 0; border-top: 1px solid var(--outline-variant); border-bottom: 1px solid var(--outline-variant); }
.byline-photo { width: 56px; height: 56px; border: 1px solid var(--outline-variant); overflow: hidden; flex-shrink: 0; }
.byline-photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%) contrast(1.05); }
.byline-meta { flex-grow: 1; }
.byline-kicker { font-family: var(--font-mono); font-size: 11px; color: var(--tertiary); letter-spacing: 0.1em; text-transform: uppercase; }
.byline-name { font-family: var(--font-display); font-weight: 700; font-size: 15px; margin-top: 2px; }
.byline-role { font-family: var(--font-mono); font-size: 11px; color: var(--on-surface-variant); margin-top: 2px; letter-spacing: 0.05em; }
.byline-reviewed { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }

/* Prose content =========================================== */

.prose { overflow-wrap: break-word; word-break: break-word; }
.prose p, .prose li, .prose td, .prose th { overflow-wrap: break-word; word-break: break-word; }
.step-desc, .faq-answer, .bignum-label, .card p, .card h3 { overflow-wrap: break-word; word-break: break-word; }
.prose h2 { margin-top: 48px; margin-bottom: 16px; padding-top: 32px; border-top: 1px solid var(--outline-variant); }
.prose h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.prose h3 { margin-top: 32px; margin-bottom: 12px; }
.prose p { font-size: 17px; line-height: 1.65; margin-bottom: 20px; color: var(--on-surface); }
.prose ul, .prose ol { margin: 0 0 20px 24px; }
.prose li { font-size: 17px; line-height: 1.65; margin-bottom: 8px; }
.prose a { border-bottom: 1px solid var(--outline-variant); }
.prose a:hover { border-bottom-color: var(--tertiary); }
.prose strong { font-weight: 600; }
.prose blockquote { border-left: 2px solid var(--tertiary); padding-left: 20px; margin: 24px 0; color: var(--on-surface-variant); font-style: normal; }

/* Comparison tables ======================================== */

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0;
  border: 1px solid var(--outline-variant);
  /* Edge gradient hint that content scrolls */
  background:
    linear-gradient(to right, var(--surface) 30%, rgba(251,249,244,0)) left center / 20px 100% no-repeat,
    linear-gradient(to left,  var(--surface) 30%, rgba(251,249,244,0)) right center / 20px 100% no-repeat,
    linear-gradient(to right, rgba(0,0,0,.08), rgba(0,0,0,0)) left center / 8px 100% no-repeat,
    linear-gradient(to left,  rgba(0,0,0,.08), rgba(0,0,0,0)) right center / 8px 100% no-repeat;
  background-attachment: local, local, scroll, scroll;
}
.table-scroll .data-table { margin: 0; border: 0; }
.data-table { width: 100%; min-width: 640px; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.data-table th, .data-table td { padding: 12px 16px; border: 1px solid var(--outline-variant); text-align: left; vertical-align: top; white-space: normal; }
.data-table th { background: var(--surface-container-low); font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; }
.data-table td.num, .data-table th.num { font-family: var(--font-mono); text-align: right; }
.data-table .winner { background: rgba(214, 40, 40, 0.04); }

/* Timeline / Steps ========================================= */

.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 24px 0; border-top: 1px solid var(--outline-variant); border-bottom: 1px solid var(--outline-variant); }
.step { padding: 24px; border-right: 1px solid var(--outline-variant); }
.step:last-child { border-right: none; }
.step-num { font-family: var(--font-mono); font-size: 24px; font-weight: 500; color: var(--tertiary); letter-spacing: -0.02em; }
.step-title { font-family: var(--font-display); font-size: 16px; font-weight: 600; margin: 8px 0; letter-spacing: -0.01em; }
.step-desc { font-size: 13px; color: var(--on-surface-variant); line-height: 1.5; }

.timeline--3 { grid-template-columns: repeat(3, 1fr); }
.timeline--5 { grid-template-columns: repeat(5, 1fr); }
.timeline--7 { grid-template-columns: repeat(7, 1fr); }

/* FAQ accordion =========================================== */

.faq { border-top: 1px solid var(--outline-variant); margin-top: 48px; }
.faq details { border-bottom: 1px solid var(--outline-variant); padding: 20px 0; }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; font-family: var(--font-display); font-weight: 600; font-size: 18px; letter-spacing: -0.015em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); font-size: 24px; font-weight: 500; color: var(--tertiary); line-height: 1; flex-shrink: 0; }
.faq details[open] summary::after { content: "−"; }
.faq details[open] summary { color: var(--tertiary); }
.faq-answer { padding-top: 16px; font-size: 16px; line-height: 1.65; color: var(--on-surface); }
.faq-answer p { margin-bottom: 12px; }

/* Forms ==================================================== */

.form-field { margin-bottom: 24px; }
.form-label { display: block; font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-surface-variant); margin-bottom: 8px; }
.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 16px;
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  color: var(--on-surface);
  transition: border-color 150ms ease;
}
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--tertiary); }
.form-textarea { min-height: 140px; resize: vertical; font-family: var(--font-body); }
.form-consent { display: flex; gap: 12px; align-items: flex-start; font-size: 13px; color: var(--on-surface-variant); margin-bottom: 24px; }
.form-consent input { margin-top: 4px; }

/* Sidebar / Call-out ======================================= */

.callout { padding: 24px; border: 1px solid var(--outline-variant); background: var(--surface-container-low); margin: 24px 0; }
.callout h4 { font-size: 14px; font-family: var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--tertiary); margin-bottom: 12px; }
.callout p:last-child { margin-bottom: 0; }

/* Footer =================================================== */

.footer { padding: 64px 0 32px; border-top: 1px solid var(--outline-variant); background: var(--surface); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 48px; }
.footer-col h4 { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--on-surface-variant); margin-bottom: 16px; }
.footer-col ul { list-style: none; margin: 0; }
.footer-col li { margin-bottom: 8px; font-size: 13px; }
.footer-col a { color: var(--on-surface); }
.footer-col a:hover { border-bottom-color: var(--tertiary); }
.footer-addr { font-family: var(--font-mono); font-size: 12px; font-style: normal; color: var(--on-surface-variant); line-height: 1.7; }
.footer-addr + .footer-addr { margin-top: 12px; }
.footer-bottom { padding-top: 24px; border-top: 1px solid var(--outline-variant); display: flex; justify-content: space-between; align-items: center; font-family: var(--font-mono); font-size: 11px; color: var(--muted); }

/* Breadcrumbs ============================================== */

.crumbs { font-family: var(--font-mono); font-size: 12px; color: var(--on-surface-variant); padding: 16px 0; border-bottom: 1px solid var(--outline-variant); }
.crumbs a { color: var(--on-surface-variant); }
.crumbs a:hover { color: var(--tertiary); }
.crumbs-sep { margin: 0 8px; color: var(--muted); }

/* Utility ================================================== */

.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-48 { margin-top: 48px; }
.mb-0 { margin-bottom: 0; }
.mb-24 { margin-bottom: 24px; }
.mb-48 { margin-bottom: 48px; }

/* Editorial split section: image + content ================= */
.editorial-split { display: grid; grid-template-columns: 5fr 7fr; gap: 0; border-top: 1px solid var(--outline-variant); border-bottom: 1px solid var(--outline-variant); }
.editorial-split--reverse { grid-template-columns: 7fr 5fr; }
.editorial-split--reverse .editorial-image { order: 2; }
.editorial-image { background: var(--surface-container-low); aspect-ratio: 4/3; overflow: hidden; }
.editorial-image > svg, .editorial-image > img { width: 100%; height: 100%; object-fit: cover; display: block; }
.editorial-content { padding: 64px 48px; display: flex; flex-direction: column; justify-content: center; }
.editorial-kicker { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--tertiary); margin-bottom: 12px; }
.editorial-content h2 { margin-bottom: 16px; }
.editorial-content p { color: var(--on-surface-variant); font-size: 17px; line-height: 1.6; margin-bottom: 24px; }

/* Pulled quote with author photo ============================ */
.quote-pull { display: grid; grid-template-columns: auto 1fr; gap: 32px; padding: 64px 0; align-items: start; }
.quote-pull-photo { width: 96px; height: 96px; flex-shrink: 0; border: 1px solid var(--outline-variant); overflow: hidden; }
.quote-pull-photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%) contrast(1.05); }
.quote-pull-text { font-family: var(--font-display); font-size: 28px; font-weight: 600; line-height: 1.3; letter-spacing: -0.015em; color: var(--on-surface); }
.quote-pull-text::before { content: "“"; color: var(--tertiary); margin-right: 4px; }
.quote-pull-text::after { content: "”"; color: var(--tertiary); margin-left: 4px; }
.quote-pull-attr { margin-top: 16px; font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-surface-variant); }

/* Practice tile grid: image-led service categories ========== */
.tile-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--outline-variant); border-left: 1px solid var(--outline-variant); }
.tile { position: relative; aspect-ratio: 4/3; overflow: hidden; border-right: 1px solid var(--outline-variant); border-bottom: 1px solid var(--outline-variant); background: var(--surface); display: block; }
.tile-bg { position: absolute; inset: 0; background: var(--surface-container-low); display: flex; align-items: center; justify-content: center; padding: 16px 16px 60px; }
.tile-bg img, .tile-bg svg { width: 100%; height: 100%; max-width: 100%; max-height: 100%; object-fit: contain; opacity: 0.85; transition: opacity 200ms ease, transform 200ms ease; color: var(--on-surface); }
.tile:hover .tile-bg img, .tile:hover .tile-bg svg { opacity: 1; transform: scale(1.04); }
.tile-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px; background: linear-gradient(to top, var(--surface) 60%, transparent); }
.tile-kicker { font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--on-surface-variant); }
.tile h3 { font-size: 20px; margin-top: 6px; color: var(--on-surface); }
.tile-arrow { position: absolute; top: 24px; right: 24px; font-family: var(--font-mono); color: var(--tertiary); transition: transform 200ms ease; }
.tile:hover .tile-arrow { transform: translateX(4px); }

/* Full-bleed image band with overlaid text =================== */
.bleed-band { position: relative; min-height: 360px; background: var(--on-surface); color: var(--on-tertiary); display: flex; align-items: center; overflow: hidden; }
.bleed-band-bg { position: absolute; inset: 0; opacity: 0.35; }
.bleed-band-bg svg, .bleed-band-bg img { width: 100%; height: 100%; object-fit: cover; }
.bleed-band-content { position: relative; z-index: 1; max-width: var(--max-width); margin: 0 auto; padding: 64px var(--side-pad); width: 100%; }
.bleed-band-kicker { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--tertiary); margin-bottom: 12px; }
.bleed-band h2 { color: var(--on-tertiary); font-size: 40px; max-width: 720px; }

/* Map / illustration container =============================== */
.illustration { background: var(--surface-container-low); padding: 32px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--outline-variant); }
.illustration svg { width: 100%; height: auto; max-height: 480px; color: var(--on-surface); }

/* === Refresh: BMW × WIRED × Sanity components ============= */

/* B1. Whisper hero — BMW: weight 300 uppercase, generous track */
.hero-display--whisper {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: 0;
  text-transform: uppercase;
}
.hero-display--whisper em { font-style: normal; font-weight: 300; color: var(--tertiary); }

/* B2. Editorial hero — Space Grotesk weight 500, no uppercase, larger tracking */
.hero-display--editorial {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: normal;
  font-size: clamp(44px, 6.4vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.02em;
}
.hero-display--editorial strong { font-weight: 600; color: var(--tertiary); }

/* B3. Inverse section — BMW dark/light alternation + Sanity dark editorial */
.section--inverse { background: var(--ink); color: var(--paper); border-bottom: 1px solid var(--ink-soft); padding: 96px 0; }
.section--inverse h2, .section--inverse h3 { color: var(--paper); }
.section--inverse .kicker, .section--inverse .editorial-kicker { color: var(--tertiary); }
.section--inverse a:not(.btn):hover { border-bottom-color: var(--tertiary); }
.section--inverse .btn { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.section--inverse .btn:hover { background: #E5E2DB; }
.section--inverse .btn--tertiary { background: var(--tertiary); color: #fff; border-color: var(--tertiary); }
.section--inverse .btn--tertiary:hover { background: var(--tertiary-hover); }
.section--inverse .btn--ghost { background: transparent; color: var(--paper); border-color: #4A4B48; }
.section--inverse .btn--ghost:hover { border-color: var(--paper); background: transparent; }
.section--inverse .bignum-row, .section--inverse .bignum { border-color: var(--ink-soft); }
.section--inverse .bignum-label { color: #8A8784; }
.section--inverse .card { background: var(--ink-soft); border-color: var(--ink-soft); color: var(--paper); }
.section--inverse .card h3 { color: var(--paper); }
.section--inverse .card p { color: #8A8784; }
.section--inverse .card:hover { background: #3A3B38; }
.section--inverse .card-idx, .section--inverse .card-arrow { color: var(--tertiary); }
.section--inverse ul, .section--inverse ol { color: #C8C5BD; padding-left: 20px; }
.section--inverse ul li, .section--inverse ol li { margin-bottom: 8px; }
.section--inverse p { color: #C8C5BD; }
.section--inverse a:not(.btn) { color: var(--paper); border-bottom-color: #4A4B48; }

/* B4. Blueprint kicker — BMW spec-sheet leading number */
.kicker--blueprint {
  display: inline-flex; align-items: baseline; gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--on-surface-variant);
}
.kicker--blueprint::before {
  content: attr(data-idx);
  color: var(--tertiary);
  font-weight: 500;
  border-right: 1px solid var(--outline-variant);
  padding-right: 10px;
}
.section--inverse .kicker--blueprint { color: #8A8784; }
.section--inverse .kicker--blueprint::before { border-right-color: var(--ink-soft); }

/* B5. Broadsheet grid — WIRED multi-column density */
.broadsheet {
  column-count: 3;
  column-gap: 40px;
  column-rule: 1px solid var(--outline-variant);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
}
.broadsheet > * { break-inside: avoid; margin-bottom: 24px; }
.broadsheet h3 {
  font-family: var(--font-display);
  font-weight: 600; font-style: normal;
  font-size: 22px; letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.section--inverse .broadsheet { column-rule-color: var(--ink-soft); color: #C8C5BD; }
.section--inverse .broadsheet h3 { color: var(--paper); }

/* B6. Editorial prose — WIRED long-form: serif body + ink-blue inline links */
.prose--editorial p, .prose--editorial li { font-family: var(--font-editorial); font-size: 19px; line-height: 1.65; }
.prose--editorial { max-width: var(--measure); }
.prose--editorial a { color: var(--accent-link); border-bottom: 1px solid var(--accent-link); }
.prose--editorial .dropcap::first-letter {
  font-family: var(--font-display); font-weight: 600;
  font-size: 5.6em; line-height: 0.85;
  float: left; padding: 6px 10px 0 0; color: var(--tertiary);
}

/* B7. Heavy structural rule — BMW 2px chapter break */
.rule--heavy { border-top: var(--rule-strong); padding-top: 64px; margin-top: 64px; }

/* Responsive =============================================== */

@media (max-width: 1024px) {
  :root { --side-pad: 32px; }
  .hero-display { font-size: 56px; }
  h1 { font-size: 40px; }
  h2 { font-size: 28px; }
  .bignum-value { font-size: 44px; }
  .cards, .cards--4 { grid-template-columns: repeat(2, 1fr); }
  .timeline, .timeline--5, .timeline--7 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .grid-7-5 { grid-template-columns: 1fr; }
  .hero-right { border-left: none; padding-left: 0; border-top: 1px solid var(--outline-variant); padding-top: 24px; margin-top: 24px; }
  .editorial-split, .editorial-split--reverse { grid-template-columns: 1fr; }
  .editorial-split--reverse .editorial-image { order: 0; }
  .editorial-content { padding: 48px 32px; }
  .tile-grid { grid-template-columns: repeat(2, 1fr); }
  .bleed-band h2 { font-size: 32px; }
  .broadsheet { column-count: 2; }
  .section--inverse { padding: 64px 0; }
  .office-grid { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 768px) {
  :root { --side-pad: 24px; --gutter: 16px; }
  html { font-size: 16px; }
  .hero { padding: 48px 0 32px; }
  .hero-display { font-size: 40px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-right { border-left: none; padding-left: 0; border-top: 1px solid var(--outline-variant); padding-top: 24px; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  h3 { font-size: 20px; }
  .bignum-row, .bignum-row--3 { grid-template-columns: 1fr; }
  .bignum { padding: 24px; border-right: none; border-bottom: 1px solid var(--outline-variant); }
  .bignum:last-child { border-bottom: none; }
  .bignum-value { font-size: 36px; }
  .cards, .cards--2, .cards--4 { grid-template-columns: 1fr; }
  .timeline, .timeline--3, .timeline--5, .timeline--7 { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--outline-variant); }
  .step:last-child { border-bottom: none; }
  .office-card, .author-card { border-right: none; }
  .grid-2, .grid-3, .grid-4, .grid-7-5 { grid-template-columns: 1fr; }
  .nav-list { display: none; }
  .nav-burger { display: block; }
  .nav-phone { display: none; }
  .tile-grid { grid-template-columns: 1fr; }
  .quote-pull { grid-template-columns: 1fr; gap: 16px; padding: 40px 0; }
  .quote-pull-text { font-size: 22px; }
  .bleed-band { min-height: 240px; }
  .bleed-band h2 { font-size: 24px; }
  .broadsheet { column-count: 1; column-rule: none; }
  .section--inverse { padding: 48px 0; }
  .hero-display--editorial { font-size: clamp(32px, 8vw, 56px); }
  .office-tile { grid-template-columns: 1fr; }
  .office-tile-photo { aspect-ratio: 16/9; }
  .office-tile-city { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .section { padding: 48px 0; }
  .prose p, .prose li { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0ms !important; animation-duration: 0ms !important; }
}

/* Print minimal ============================================ */
@media print {
  .nav, .footer, .byline, .form { display: none; }
  body { background: #fff; color: #000; }
  .prose { max-width: 100%; }
}