/* ==========================================================================
   Linton Consulting Services — design system ("Ink & Brass")
   Layout concept: editorial, asymmetric grids on ivory; navy bands mark
   moments of proof (track record, approach, call to action).
   ========================================================================== */
:root {
  /* Color */
  --ink: #13203A;          /* primary text, navy bands */
  --ink-2: #1C2B4A;        /* raised surfaces on navy */
  --ivory: #F7F5F0;        /* page ground */
  --stone: #EFEBE3;        /* alternate band */
  --white: #FFFFFF;        /* cards */
  --brass: #A8844F;        /* rules, marks, accent text on navy */
  --brass-deep: #8A6A3A;   /* accent text on light grounds (4.6:1) */
  --slate: #5E6470;        /* secondary text (5.5:1 on ivory) */
  --line: #DCD7CC;         /* hairlines on light */
  --line-navy: #2C3A5A;    /* hairlines on navy */
  --on-navy: #C9CEDA;      /* body text on navy */
  --error: #A63A2B;
  --success: #2E6B47;

  /* Type */
  --serif: "Newsreader", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", "Segoe UI", system-ui, -apple-system, sans-serif;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.5rem;
  --step-3: clamp(1.75rem, 1.3rem + 1.6vw, 2.25rem);
  --step-4: clamp(2.1rem, 1.4rem + 2.8vw, 3rem);
  --step-5: clamp(2.6rem, 1.5rem + 4.4vw, 4.4rem);

  /* Space */
  --gutter: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  --section: clamp(4rem, 3rem + 5vw, 7.5rem);
  --max: 1200px;
  --radius: 2px;
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font: 400 var(--step-0)/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--ivory); }
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.12; margin: 0; text-wrap: balance; letter-spacing: -0.01em; }
h1 { font-size: var(--step-5); line-height: 1.04; letter-spacing: -0.02em; }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); line-height: 1.25; }
h4 { font-size: var(--step-1); }
ul, ol { margin: 0; padding: 0; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
::selection { background: #E6D8C0; color: var(--ink); }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 100; background: var(--ink); color: var(--ivory); padding: 10px 16px; text-decoration: none; }
.skip-link:focus { top: calc(12px + env(safe-area-inset-top, 0px)); }

.container { max-width: calc(var(--max) + 40px); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }

/* ---------- Eyebrows, text helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font: 600 0.75rem/1.2 var(--sans); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--brass-deep); margin: 0 0 1.25rem;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.on-navy .eyebrow { color: var(--brass); }
.lede { font-size: var(--step-1); line-height: 1.6; color: #3B4458; max-width: 58ch; }
.muted { color: var(--slate); }
.accent { color: var(--brass-deep); font-style: italic; }
.on-navy .accent { color: var(--brass); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px;
  font: 600 0.9375rem/1 var(--sans); letter-spacing: 0.01em; text-decoration: none;
  border: 1px solid transparent; border-radius: var(--radius); cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
  white-space: nowrap;
}
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }
.btn-primary { background: var(--ink); color: var(--ivory); }
.btn-primary:hover { background: #22345A; }
.btn-secondary { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-secondary:hover { background: var(--ink); color: var(--ivory); }
.btn-brass { background: var(--brass); color: var(--ink); }
.btn-brass:hover { background: #BC9862; }
.btn-ghost-light { border-color: #55627F; color: var(--ivory); }
.btn-ghost-light:hover { border-color: var(--ivory); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.text-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 0.9375rem; text-decoration: none; color: var(--ink);
  border-bottom: 1px solid var(--brass); padding-bottom: 2px;
}
.text-link .arrow { transition: transform .2s ease; }
.text-link:hover .arrow { transform: translateX(3px); }
.on-navy .text-link { color: var(--ivory); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: rgba(247, 245, 240, 0.94);
  -webkit-backdrop-filter: saturate(1.2) blur(10px); backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid transparent; transition: border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 8px 24px -20px rgba(19,32,58,.5); }
.header-inner { display: flex; align-items: center; gap: 28px; min-height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); margin-right: auto; }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font: 500 1.375rem/1 var(--serif); letter-spacing: -0.01em; }
.brand-sub { font: 600 0.625rem/1 var(--sans); letter-spacing: 0.24em; text-transform: uppercase; color: var(--slate); margin-top: 5px; }
.nav-links { display: none; list-style: none; gap: 28px; }
.nav-links a { font-size: 0.9375rem; font-weight: 500; color: #333D52; text-decoration: none; padding: 6px 0; border-bottom: 1px solid transparent; transition: border-color .2s, color .2s; }
.nav-links a:hover { color: var(--ink); border-bottom-color: var(--brass); }
.nav-links a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ink); }
.header-cta { display: none; }
.menu-toggle {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 44px; padding: 0 14px; background: transparent; border: 1px solid var(--line);
  border-radius: var(--radius); font: 600 0.875rem var(--sans); color: var(--ink); cursor: pointer;
}
.menu-toggle .bars { width: 18px; height: 12px; position: relative; }
.menu-toggle .bars::before, .menu-toggle .bars::after, .menu-toggle .bars span { content: ""; position: absolute; left: 0; right: 0; height: 1.5px; background: currentColor; transition: transform .2s, opacity .2s; }
.menu-toggle .bars::before { top: 0; } .menu-toggle .bars span { top: 5px; } .menu-toggle .bars::after { bottom: 0; }
.menu-toggle[aria-expanded="true"] .bars::before { transform: translateY(5.25px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .bars span { opacity: 0; }
.menu-toggle[aria-expanded="true"] .bars::after { transform: translateY(-5.25px) rotate(-45deg); }
.mobile-nav { border-top: 1px solid var(--line); background: var(--ivory); padding-bottom: 24px; }
.mobile-nav ul { list-style: none; }
.mobile-nav li a { display: block; padding: 16px 0; border-bottom: 1px solid var(--line); font: 400 1.5rem/1.2 var(--serif); text-decoration: none; }
.mobile-nav .btn { width: 100%; margin-top: 24px; }
@media (min-width: 980px) {
  .nav-links { display: flex; }
  .header-cta { display: inline-flex; min-height: 44px; }
  .menu-toggle, .mobile-nav { display: none !important; }
}

/* ---------- Sections ---------- */
.section { padding-block: var(--section); }
.section--stone { background: var(--stone); }
.section--white { background: var(--white); }
.section--navy { background: var(--ink); color: var(--ivory); }
.section--tight { padding-block: clamp(3rem, 2rem + 3vw, 5rem); }
.section-head { display: grid; gap: 1rem 4rem; margin-bottom: clamp(2.5rem, 2rem + 2vw, 4rem); }
.section-head p { margin: 0; color: var(--slate); max-width: 56ch; }
.on-navy .section-head p { color: var(--on-navy); }
@media (min-width: 900px) {
  .section-head--split { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: end; }
}

/* ---------- Hero ---------- */
.hero { padding-block: clamp(3.5rem, 2rem + 6vw, 7rem) clamp(3.5rem, 2rem + 5vw, 6rem); position: relative; overflow: hidden; }
.hero-grid { display: grid; gap: 3.5rem; align-items: center; }
@media (min-width: 980px) { .hero-grid { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 4.5rem; } }
.hero h1 { margin-bottom: 1.75rem; max-width: 15ch; }
.hero .lede { margin-bottom: 2.25rem; }
.hero-tagline { font: 500 0.8125rem/1.4 var(--sans); letter-spacing: 0.08em; color: var(--slate); margin-top: 2.5rem; }
.hero-figure { position: relative; background: var(--white); border: 1px solid var(--line); padding: 28px 28px 22px; box-shadow: 0 40px 60px -48px rgba(19,32,58,.45); }
.hero-figure::before { content: ""; position: absolute; left: -1px; top: -1px; width: 64px; height: 3px; background: var(--brass); }
.hero-figure h2 { font-size: 1.375rem; margin-bottom: 4px; }
.hero-figure p { font-size: 0.9375rem; color: var(--slate); margin: 0 0 18px; }
.path-svg text { font-family: var(--sans); font-size: 12.5px; fill: var(--ink); }
.path-svg .num { font-size: 10.5px; fill: var(--brass-deep); font-weight: 600; letter-spacing: .08em; }
.path-svg .trace { stroke-dasharray: 900; stroke-dashoffset: 0; }
@media (prefers-reduced-motion: no-preference) {
  .js .path-svg .trace { animation: draw 2.2s cubic-bezier(.6,.1,.2,1) .2s both; }
  .js .path-svg .node { animation: pop .5s ease both; }
  .js .path-svg .node:nth-of-type(1) { animation-delay: .3s; } .js .path-svg .node:nth-of-type(2) { animation-delay: .7s; }
  .js .path-svg .node:nth-of-type(3) { animation-delay: 1.1s; } .js .path-svg .node:nth-of-type(4) { animation-delay: 1.5s; }
  .js .path-svg .node:nth-of-type(5) { animation-delay: 1.9s; }
}
@keyframes draw { from { stroke-dashoffset: 900; } to { stroke-dashoffset: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ---------- Photography ---------- */
.media-frame { position: relative; overflow: hidden; background: var(--stone); }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame::after { content: ""; position: absolute; inset: 12px; border: 1px solid rgba(247,245,240,.55); pointer-events: none; }
.hero-photo { margin: 0; position: relative; }
.hero-photo .media-frame { aspect-ratio: 5 / 4; box-shadow: 0 40px 60px -44px rgba(19,32,58,.55); }
.hero-photo::before { content: ""; position: absolute; z-index: 1; left: -1px; top: -1px; width: 72px; height: 3px; background: var(--brass); }
.hero-photo figcaption { position: relative; z-index: 2; margin: -48px 24px 0 auto; max-width: 300px; background: var(--white); border-left: 3px solid var(--brass); padding: 16px 18px; font-size: 0.875rem; line-height: 1.5; color: #3B4458; box-shadow: 0 20px 40px -28px rgba(19,32,58,.5); }
@media (max-width: 600px) { .hero-photo figcaption { margin: -32px 12px 0 12px; max-width: none; } }
.who-portrait { aspect-ratio: 4 / 5; max-width: 360px; margin-top: 2.5rem; }
@media (min-width: 900px) { .who-body { padding-top: 4.5rem; } }
.page-hero-grid { display: grid; gap: 2.5rem 4.5rem; align-items: center; }
@media (min-width: 980px) { .page-hero-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); } }
.page-hero-media { aspect-ratio: 3 / 2; }
.case-figure { margin: 0 0 1rem; aspect-ratio: 16 / 7; }
@media (max-width: 700px) { .case-figure { aspect-ratio: 4 / 3; } }
.avatar-row { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; font-size: 0.875rem; color: var(--on-navy); line-height: 1.4; }
.avatar-row b { color: var(--ivory); font-weight: 600; }
.avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid var(--brass); flex: none; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding-block: clamp(3rem, 2rem + 4vw, 5.5rem) clamp(2.5rem, 2rem + 3vw, 4.5rem); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.4rem, 1.5rem + 3.6vw, 3.75rem); max-width: 20ch; margin-bottom: 1.25rem; }
.page-hero .lede { margin: 0; }
.breadcrumb { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; font-size: var(--step--1); color: var(--slate); margin-bottom: 1.75rem; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: var(--line); }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; text-decoration-color: var(--brass); }

/* ---------- Two-column intro ---------- */
.split { display: grid; gap: 2.5rem 5rem; }
@media (min-width: 900px) { .split { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); } }
.split .body p { font-size: var(--step-1); line-height: 1.6; color: #2E3850; }
.split .body p:last-child { margin-bottom: 0; }

/* ---------- Track record ---------- */
.stats { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line-navy); }
@media (min-width: 640px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1040px) { .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.stat { padding: 2rem 0 0.5rem; border-bottom: 1px solid var(--line-navy); }
@media (min-width: 640px) { .stat { padding: 2.25rem 2rem 2rem 0; } .stat + .stat { padding-left: 2rem; border-left: 1px solid var(--line-navy); } .stat:nth-child(3) { padding-left: 0; border-left: 0; } }
@media (min-width: 1040px) { .stat { border-bottom: 0; } .stat:nth-child(3) { padding-left: 2rem; border-left: 1px solid var(--line-navy); } }
.stat-value { font: 400 clamp(3rem, 2.2rem + 3vw, 4.5rem)/1 var(--serif); color: var(--ivory); letter-spacing: -0.02em; font-variant-numeric: lining-nums tabular-nums; }
.stat-label { margin-top: 1rem; font: 600 0.8125rem/1.3 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--brass); }
.stat-detail { margin: 0.5rem 0 1.5rem; color: var(--on-navy); font-size: 0.9375rem; max-width: 26ch; }

/* ---------- Service cards ---------- */
.card-grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 680px) { .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1040px) { .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.service-card {
  position: relative; display: flex; flex-direction: column; gap: 14px;
  background: var(--white); padding: 32px 30px 28px; text-decoration: none; color: var(--ink);
  transition: background-color .25s ease;
}
.service-card::before { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--brass); transition: width .35s ease; }
.service-card:hover, .service-card:focus-visible { background: #FCFBF8; }
.service-card:hover::before, .service-card:focus-visible::before { width: 100%; }
.service-card .icon { width: 40px; height: 40px; color: var(--brass-deep); }
.service-card h3 { font-size: 1.4375rem; }
.service-card p { margin: 0; color: var(--slate); font-size: 0.96875rem; }
.service-card .more { margin-top: auto; padding-top: 10px; font-weight: 600; font-size: 0.875rem; display: inline-flex; gap: 8px; align-items: center; }
.service-card .more .arrow { transition: transform .2s; }
.service-card:hover .more .arrow { transform: translateX(4px); }

/* ---------- Differentiators ---------- */
.diff-grid { display: grid; gap: 0; border-top: 1px solid var(--line); }
@media (min-width: 760px) { .diff-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 4rem; } }
.diff { padding: 2rem 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 18px; }
.diff .mark { width: 28px; height: 28px; margin-top: 4px; color: var(--brass-deep); }
.diff h3 { font-size: 1.375rem; margin-bottom: 8px; }
.diff p { margin: 0; color: var(--slate); }

/* ---------- Work cards ---------- */
.work-grid { display: grid; gap: 24px; }
@media (min-width: 760px) { .work-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .work-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.work-card { display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); text-decoration: none; color: var(--ink); transition: transform .3s ease, box-shadow .3s ease, border-color .3s; }
.work-card:hover, .work-card:focus-visible { transform: translateY(-3px); box-shadow: 0 30px 50px -40px rgba(19,32,58,.55); border-color: #CFC8BA; }
.work-card .band { position: relative; height: 132px; background: var(--ink); overflow: hidden; display: flex; align-items: flex-end; padding: 18px 24px; }
.work-card .band svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.work-card .band span { position: relative; font: 600 0.75rem/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--brass); }
.work-card .body { padding: 24px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.work-card .sector { font: 600 0.75rem/1 var(--sans); letter-spacing: 0.12em; text-transform: uppercase; color: var(--slate); }
.work-card h3 { font-size: 1.5rem; }
.work-card p { margin: 0; color: var(--slate); font-size: 0.96875rem; }
.work-card .more { margin-top: auto; padding-top: 12px; font-weight: 600; font-size: 0.875rem; display: inline-flex; gap: 8px; }
.work-grid--related { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.work-card[hidden] { display: none; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 2rem; }
.filters-label { width: 100%; font: 600 0.75rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--slate); margin-bottom: 4px; }
.filter-btn { min-height: 40px; padding: 0 16px; border: 1px solid var(--line); background: var(--white); color: var(--ink); font: 500 0.875rem var(--sans); border-radius: 999px; cursor: pointer; transition: background-color .2s, color .2s, border-color .2s; }
.filter-btn:hover { border-color: var(--ink); }
.filter-btn[aria-pressed="true"] { background: var(--ink); color: var(--ivory); border-color: var(--ink); }
.filter-empty { color: var(--slate); }

/* ---------- Quote ---------- */
.quote { max-width: 900px; }
.quote blockquote { margin: 0; }
.quote blockquote p { font: 400 clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem)/1.3 var(--serif); letter-spacing: -0.01em; margin: 0 0 1.5rem; text-wrap: pretty; }
.quote .qmark { font: 400 5rem/0.6 var(--serif); color: var(--brass); display: block; height: 2.25rem; }
.quote figcaption { font-size: 0.9375rem; color: var(--slate); }
.quote figcaption b { color: var(--ink); font-weight: 600; }
.on-navy .quote figcaption { color: var(--on-navy); } .on-navy .quote figcaption b { color: var(--ivory); }

/* ---------- Approach band (home) and timeline ---------- */
.phase-row { list-style: none; display: grid; gap: 0; counter-reset: phase; }
@media (min-width: 900px) { .phase-row { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
.phase-row li { counter-increment: phase; position: relative; padding: 1.75rem 1.5rem 1.75rem 0; border-top: 1px solid var(--line-navy); }
.phase-row li::before { content: "0" counter(phase); display: block; font: 600 0.75rem/1 var(--sans); letter-spacing: .14em; color: var(--brass); margin-bottom: 1rem; }
.phase-row li::after { content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--brass); }
.phase-row h3 { font-size: 1.3125rem; color: var(--ivory); margin-bottom: 8px; }
.phase-row p { margin: 0; color: var(--on-navy); font-size: 0.9375rem; }

.timeline { display: grid; gap: 2.5rem; }
@media (min-width: 960px) { .timeline { grid-template-columns: 320px minmax(0, 1fr); gap: 4rem; align-items: start; } }
.timeline-tabs { list-style: none; display: grid; gap: 0; border-left: 1px solid var(--line); counter-reset: tl; }
.timeline-tabs button { counter-increment: tl; }
.timeline-tabs button {
  width: 100%; text-align: left; display: grid; grid-template-columns: 44px 1fr; align-items: baseline;
  padding: 18px 16px 18px 24px; background: none; border: 0; border-left: 3px solid transparent; margin-left: -2px;
  font: 400 1.375rem/1.2 var(--serif); color: var(--slate); cursor: pointer; transition: color .2s, border-color .2s, background-color .2s;
}
.timeline-tabs button::before { content: "0" counter(tl); font: 600 0.75rem/1 var(--sans); letter-spacing: .14em; color: var(--brass-deep); }
.timeline-tabs button:hover { color: var(--ink); }
.timeline-tabs button[aria-selected="true"] { color: var(--ink); border-left-color: var(--brass); background: var(--white); }
.timeline-panel { background: var(--white); border: 1px solid var(--line); padding: clamp(24px, 3vw, 44px); }
.timeline-panel .phase-num { font: 600 0.75rem/1 var(--sans); letter-spacing: .14em; color: var(--brass-deep); text-transform: uppercase; }
.timeline-panel h2 { font-size: var(--step-3); margin: 12px 0 12px; }
.timeline-panel .value { font-size: var(--step-1); color: #2E3850; margin-bottom: 2rem; max-width: 50ch; }
.no-js .timeline-tabs { display: none; }
@media (min-width: 960px) { .js .timeline-panel { position: sticky; top: calc(var(--header-h) + 24px); } }
.no-js .timeline { grid-template-columns: 1fr; }

/* ---------- Lists ---------- */
.check-list { list-style: none; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 14px; height: 1px; background: var(--brass); }
.cols-2 { display: grid; gap: 2rem 3rem; }
@media (min-width: 760px) { .cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.label { font: 600 0.75rem/1.2 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--slate); margin: 0 0 1rem; }

/* ---------- Service detail ---------- */
.detail { display: grid; gap: 3rem; }
@media (min-width: 1000px) { .detail { grid-template-columns: minmax(0, 1fr) 340px; gap: 5rem; align-items: start; } }
.detail-main > section + section { margin-top: 4rem; }
.detail-main h2 { font-size: var(--step-3); margin-bottom: 1.25rem; }
.challenge-list { list-style: none; display: grid; gap: 0; border-top: 1px solid var(--line); counter-reset: none; }
.challenge-list li { padding: 18px 0 18px 40px; border-bottom: 1px solid var(--line); position: relative; }
.challenge-list li::before { content: ""; position: absolute; left: 0; top: 30px; width: 20px; height: 1px; background: var(--brass); }
.cap-grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 700px) { .cap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.cap { background: var(--white); padding: 24px 24px 22px; }
.cap h3 { font-size: 1.25rem; margin-bottom: 6px; }
.cap p { margin: 0; color: var(--slate); font-size: 0.9375rem; }
.aside-card { background: var(--ink); color: var(--ivory); padding: 30px 28px; }
.aside-card h2 { font-size: 1.625rem; margin-bottom: 10px; }
.aside-card p { color: var(--on-navy); font-size: 0.9375rem; }
.aside-card .btn { width: 100%; margin-top: 8px; }
.aside-list { margin-top: 24px; padding: 26px 28px; background: var(--white); border: 1px solid var(--line); }
.aside-list .check-list { font-size: 0.9375rem; gap: 10px; }
@media (min-width: 1000px) { .detail-aside { position: sticky; top: calc(var(--header-h) + 24px); } }
.tool-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.tool-list li { padding: 6px 12px; border: 1px solid var(--line); background: var(--white); font-size: 0.875rem; }
.prev-next { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); padding-top: 2rem; margin-top: 4rem; }

/* ---------- Case study detail ---------- */
.case-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 2.5rem; }
.case-meta div { padding: 18px 20px 18px 0; }
.case-meta dt { font: 600 0.75rem/1.2 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--slate); margin-bottom: 6px; }
.case-meta dd { margin: 0; font-size: 0.96875rem; }
.case-section { display: grid; gap: 1rem 4rem; padding-block: 2.75rem; border-bottom: 1px solid var(--line); }
@media (min-width: 900px) { .case-section { grid-template-columns: 240px minmax(0, 1fr); } }
.case-section h2 { font-size: 1.625rem; }
.case-section .content { max-width: 68ch; }
.case-section .content > p:last-child { margin-bottom: 0; }
.outcome-list { list-style: none; display: grid; gap: 14px; }
.outcome-list li { font: 400 1.375rem/1.35 var(--serif); padding-left: 34px; position: relative; }
.outcome-list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 18px; height: 2px; background: var(--brass); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.tag-list a, .tag-list span { display: inline-block; padding: 6px 12px; border: 1px solid var(--line); background: var(--white); font-size: 0.875rem; text-decoration: none; }
.tag-list a:hover { border-color: var(--brass); }

/* ---------- About ---------- */
.leader { display: grid; gap: 3rem; }
@media (min-width: 940px) { .leader { grid-template-columns: 360px minmax(0, 1fr); gap: 5rem; align-items: start; } }
.headshot { position: relative; aspect-ratio: 4 / 5; max-width: 100%; background: var(--stone); border: 1px solid var(--line); overflow: hidden; }
.headshot img { width: 100%; height: 100%; object-fit: cover; }
.headshot img { position: absolute; inset: 0; }
.headshot .monogram { position: absolute; inset: 0; display: grid; place-items: center; }
.headshot .monogram span { font: 400 6rem/1 var(--serif); color: var(--brass); letter-spacing: -0.03em; }
.headshot::after { content: ""; position: absolute; inset: 14px; border: 1px solid rgba(168,132,79,.45); pointer-events: none; }
.leader-name { font-size: var(--step-4); margin-bottom: 6px; }
.leader-title { font: 600 0.8125rem/1.3 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--brass-deep); margin-bottom: 2rem; }
.leader-bio p { font-size: 1.0625rem; color: #2E3850; }
.cred-table { margin-top: 2.5rem; border-top: 1px solid var(--line); }
.cred-row { display: grid; gap: 4px 2rem; padding: 16px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 640px) { .cred-row { grid-template-columns: 220px minmax(0, 1fr); } }
.cred-row dt { font: 600 0.75rem/1.6 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--slate); }
.cred-row dd { margin: 0; }
.cred-row dd span { display: block; }
.mv-grid { display: grid; gap: 1px; background: var(--line-navy); border: 1px solid var(--line-navy); }
@media (min-width: 800px) { .mv-grid { grid-template-columns: 1fr 1fr; } }
.mv-grid > div { background: var(--ink); padding: clamp(28px, 3vw, 44px); }
.mv-grid p:not(.eyebrow) { font: 400 clamp(1.35rem, 1.1rem + 0.9vw, 1.75rem)/1.4 var(--serif); color: var(--ivory); margin: 0; }
.values-grid { display: grid; gap: 2rem 3rem; }
@media (min-width: 700px) { .values-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .values-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.value-item { border-top: 2px solid var(--ink); padding-top: 1.25rem; }
.value-item h3 { font-size: 1.375rem; margin-bottom: 8px; }
.value-item p { margin: 0; color: var(--slate); font-size: 0.96875rem; }

/* ---------- Engagement models ---------- */
.models { display: grid; gap: 24px; }
@media (min-width: 900px) { .models { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.model { padding: 30px 28px; background: var(--white); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
.model .type { font: 600 0.75rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--brass-deep); }
.model h3 { font-size: 1.5rem; }
.model p { margin: 0; color: var(--slate); font-size: 0.96875rem; }
.model:nth-child(3) { background: var(--ink); color: var(--ivory); border-color: var(--ink); }
.model:nth-child(3) .type { color: var(--brass); }
.model:nth-child(3) p { color: var(--on-navy); }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; }
.cta-band .container { position: relative; }
.cta-inner { display: grid; gap: 2rem 4rem; align-items: end; }
@media (min-width: 900px) { .cta-inner { grid-template-columns: minmax(0, 1.4fr) auto; } }
.cta-inner h2 { color: var(--ivory); max-width: 20ch; }
.cta-inner p { color: var(--on-navy); max-width: 52ch; margin: 1.25rem 0 0; }
.cta-lines { position: absolute; right: -80px; top: 0; bottom: 0; width: 520px; opacity: .55; pointer-events: none; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 3rem; }
@media (min-width: 1000px) { .contact-grid { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 5rem; align-items: start; } }
.form { display: grid; gap: 22px; }
.form-row { display: grid; gap: 22px; }
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 8px; min-width: 0; }
.field label, .field legend { font-weight: 600; font-size: 0.9375rem; padding: 0; }
.field .opt { font-weight: 400; color: var(--slate); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 14px; font: 400 1rem/1.4 var(--sans); color: var(--ink);
  background: var(--white); border: 1px solid #C9C3B7; border-radius: var(--radius); transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2313203A' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(168,132,79,.35); }
.field [aria-invalid="true"] { border-color: var(--error); }
.field .error { color: var(--error); font-size: 0.875rem; min-height: 0; }
.field .error:empty { display: none; }
fieldset.field { border: 0; margin: 0; padding: 0; }
.radio-row { display: flex; flex-wrap: wrap; gap: 10px; }
.radio-row label { display: inline-flex; align-items: center; gap: 10px; min-height: 46px; padding: 0 16px; border: 1px solid #C9C3B7; background: var(--white); font-weight: 500; cursor: pointer; border-radius: var(--radius); }
.radio-row input { width: 18px; height: 18px; min-height: 0; accent-color: var(--ink); margin: 0; }
.radio-row label:has(input:checked) { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.privacy-note { font-size: 0.875rem; color: var(--slate); margin: 0; }
.privacy-note a { color: var(--ink); }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { padding: 18px 20px; border-left: 3px solid var(--success); background: #E9F2EC; }
.form-status.is-error { border-left-color: var(--error); background: #F8EAE7; }
.form-status h3 { font-size: 1.375rem; margin-bottom: 4px; }
.form-status p { margin: 0; }
.contact-aside > * + * { margin-top: 24px; }
.contact-detail { padding: 26px 28px; border: 1px solid var(--line); background: var(--white); }
.contact-detail dt { font: 600 0.75rem/1.2 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--slate); }
.contact-detail dd { margin: 6px 0 18px; font-size: 1.0625rem; word-break: break-word; }
.contact-detail dd:last-child { margin-bottom: 0; }
.copy-btn { margin-left: 8px; font: 600 0.75rem var(--sans); background: none; border: 1px solid var(--line); padding: 4px 8px; cursor: pointer; color: var(--ink); border-radius: var(--radius); }

/* ---------- Prose (legal pages) ---------- */
.prose { max-width: 70ch; }
.prose h2 { font-size: 1.75rem; margin: 2.5rem 0 1rem; }
.prose p { color: #2E3850; }

/* ---------- Footer ---------- */
.site-footer { background: #0E182D; color: var(--on-navy); padding-block: clamp(3.5rem, 3rem + 3vw, 5.5rem) 2rem; font-size: 0.9375rem; }
.site-footer a { color: var(--on-navy); text-decoration: none; }
.site-footer a:hover { color: var(--ivory); text-decoration: underline; text-decoration-color: var(--brass); }
.footer-grid { display: grid; gap: 2.5rem; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1.3fr 1.2fr; gap: 3rem; } }
.footer-brand .brand { color: var(--ivory); }
.footer-brand .brand-sub { color: #8F98AC; }
.footer-brand p { margin: 1.25rem 0 0; max-width: 34ch; }
.footer-tag { font: italic 400 1.0625rem/1.5 var(--serif); color: var(--brass); }
.site-footer h2 { font: 600 0.75rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: #8F98AC; margin-bottom: 1.25rem; }
.site-footer ul { list-style: none; display: grid; gap: 10px; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; margin-top: 3.5rem; padding-top: 1.75rem; border-top: 1px solid var(--line-navy); font-size: 0.8125rem; color: #8F98AC; }
.footer-bottom ul { display: flex; flex-wrap: wrap; gap: 20px; }

/* ---------- Reveal on scroll ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-pending { opacity: 0; transform: translateY(16px); }
  .reveal-in { opacity: 1; transform: none; transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}