/* ============================================
   Acumen Enterprises — Design System
   ============================================ */

:root {
  /* Surfaces */
  --paper:        #FFFFFF;
  --paper-deep:   #EDE7DB;
  --stone:        #E2DBCC;
  --canvas:       #FBF9F4;
}
:root[data-theme="white"] {
  --paper:        #FFFFFF;
  --paper-deep:   #F4F4F2;
  --stone:        #E8E8E5;
  --canvas:       #FAFAF9;
  --line:         #E5E5E2;
  --ink:          #0B0B0E;
  --ink-2:        #2E2E33;
  --ink-3:        #5E5E66;
  --ink-4:        #9A9AA0;
  --gold:         #8A7430;
}
:root[data-theme="white"] body::before { display: none; }
:root[data-theme="white"] .nav.scrolled {
  background: rgba(255,255,255,0.85);
  border-bottom-color: var(--line);
}
:root {

  /* Ink */
  --ink:          #0E1116;
  --ink-2:        #2A2E36;
  --ink-3:        #5C616B;
  --ink-4:        #8A8E97;

  /* Accent */
  --ember:        #B8421F;
  --ember-deep:   #8E2E12;
  --gold:         #9C7A2E;

  /* Functional */
  --line:         #D8D1C0;
  --line-soft:    rgba(14,17,22,0.08);
  --shadow-soft:  0 1px 2px rgba(14,17,22,0.04), 0 8px 24px rgba(14,17,22,0.04);
  --shadow-card:  0 1px 3px rgba(14,17,22,0.06), 0 24px 48px rgba(14,17,22,0.06);

  /* Fonts */
  --font-display: 'Fraunces', 'Times New Roman', serif;
  --font-body: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, monospace;

  /* Type scale */
  --text-hero: clamp(2.5rem, 8vw, 8rem);
  --text-display-1: clamp(2rem, 5vw, 5rem);
  --text-display-2: clamp(1.625rem, 3.5vw, 3rem);
  --text-headline: clamp(1.25rem, 2vw, 2rem);
  --text-body-lg: 1.25rem;
  --text-body: 1.0625rem;
  --text-small: 0.9375rem;
  --text-micro: 0.8125rem;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.65;
  letter-spacing: -0.005em;
  font-feature-settings: "ss01", "ss02", "cv01";
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--ink); color: var(--paper); }

/* Subtle paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.045;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
}

/* ============ Typography utility ============ */
.font-display { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.02em; font-variation-settings: "SOFT" 50, "opsz" 144; }
.font-mono { font-family: var(--font-mono); font-feature-settings: "tnum"; }
.italic { font-style: italic; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
}

.lead {
  font-size: var(--text-body-lg);
  line-height: 1.55;
  color: var(--ink-2);
  letter-spacing: -0.008em;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.022em;
  color: var(--ink);
  line-height: 1.04;
  margin: 0;
  font-variation-settings: "SOFT" 50, "opsz" 144;
  text-wrap: balance;
}

.h-hero { font-size: var(--text-hero); line-height: 0.98; letter-spacing: -0.035em; }
.h-display-1 { font-size: var(--text-display-1); line-height: 1.02; letter-spacing: -0.028em; }
.h-display-2 { font-size: var(--text-display-2); line-height: 1.08; letter-spacing: -0.022em; }
.h-headline { font-size: var(--text-headline); line-height: 1.15; letter-spacing: -0.018em; }

/* ============ Layout ============ */
.container { max-width: 1280px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px); position: relative; z-index: 2; }
.container-narrow { max-width: 720px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px); position: relative; z-index: 2; }
.container-reading { max-width: 680px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px); position: relative; z-index: 2; }

section { padding: clamp(64px, 12vw, 192px) 0; position: relative; }
section.tight { padding: clamp(48px, 8vw, 128px) 0; }
.bg-deep { background: var(--paper-deep); }
.bg-canvas { background: var(--canvas); }

.hairline { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ============ Navigation ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: clamp(18px, 2.2vw, 26px) clamp(20px, 4vw, 40px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom-color: var(--line);
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 1.9vw, 24px);
  letter-spacing: -0.01em;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 12px;
}
.wordmark .mark {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.wordmark .mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--paper);
}
.wordmark .mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--ink);
  z-index: 2;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 36px);
}
.nav-link {
  font-size: clamp(15px, 1.05vw, 16px);
  letter-spacing: -0.005em;
  color: var(--ink-2);
  transition: color 0.3s ease;
  position: relative;
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--ink); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -6px;
  height: 1px;
  background: var(--ink);
}
.nav-apply {
  background: var(--ink);
  color: var(--paper) !important;
  padding: 12px 22px;
  border-radius: 4px;
  font-size: clamp(15px, 1.05vw, 16px);
  transition: transform 0.2s ease, background 0.2s ease;
}
.nav-apply:hover { transform: translateY(-1px); background: #000; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none; border: 0;
  width: 28px; height: 28px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}
.nav-toggle span {
  display: block; width: 22px; height: 1px; background: var(--ink); transition: all 0.3s ease;
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    position: fixed;
    inset: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 40px;
    gap: 24px;
    z-index: 99;
  }
  .nav-links.open .nav-link { font-family: var(--font-display); font-size: 40px; color: var(--ink); }
  .nav-links.open .nav-apply { font-family: var(--font-body); font-size: 16px; }
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { transform: translateY(-1px); background: #000; box-shadow: 0 8px 24px rgba(14,17,22,0.16); }

.btn-ember { background: var(--ember); color: var(--canvas); }
.btn-ember:hover { transform: translateY(-1px); background: var(--ember-deep); box-shadow: 0 8px 24px rgba(184,66,31,0.24); }

.btn-secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { background: var(--stone); }

.btn .arrow { transition: transform 0.3s ease; }
.btn:hover .arrow { transform: translateX(3px); }

.link-underline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(14,17,22,0.5);
  padding-bottom: 4px;
  color: var(--ink);
  transition: color 0.3s ease, border-color 0.3s ease;
}
.link-underline:hover { color: var(--ember); border-bottom-color: var(--ember); }
.link-underline .arrow { transition: transform 0.3s ease; }
.link-underline:hover .arrow { transform: translateX(3px); }

/* ============ Cards ============ */
.card {
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 40px;
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), box-shadow 0.4s ease, border-color 0.4s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: #C8C0AB;
}

/* ============ Footer ============ */
.footer {
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
  padding: clamp(56px, 8vw, 80px) 0 clamp(32px, 5vw, 48px);
  position: relative;
  z-index: 2;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.footer-col:last-child { justify-self: end; text-align: right; }
.footer-col:last-child .footer-links { align-items: flex-end; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  margin-bottom: 16px;
}
.footer-wordmark {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: -0.022em;
  color: var(--ink);
  margin-bottom: 16px;
  line-height: 1;
}
.footer-address {
  font-size: var(--text-small);
  color: var(--ink-3);
  line-height: 1.7;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: var(--ink-2);
  font-size: var(--text-small);
  transition: color 0.3s ease;
}
.footer-links a:hover { color: var(--ember); }
.footer-meta {
  margin-top: clamp(40px, 6vw, 64px);
  padding-top: 32px;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-size: var(--text-micro);
  color: var(--ink-4);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-meta { flex-direction: column; gap: 8px; }
}

/* ============ Breadcrumb ============ */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
  padding: clamp(96px, 12vh, 130px) 0 0;
}
.breadcrumb-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--ink-3); transition: color 0.3s ease; }
.breadcrumb a:hover { color: var(--ember); }
.breadcrumb .sep { color: var(--ink-4); opacity: 0.6; }
.breadcrumb [aria-current="page"] { color: var(--ink); }

/* ============ Pointer sheens ============ */
.sheen {
  position: relative;
  isolation: isolate;
}
.sheen::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
  z-index: 0;
}
.sheen > * { position: relative; z-index: 1; }
.sheen:hover::before,
.sheen.sheen-on::before { opacity: 1; }

/* Variant: soft ember spotlight (default warm glow) */
.sheen-spot::before {
  background: radial-gradient(420px circle at var(--mx,50%) var(--my,50%),
              rgba(184,66,31,0.10), transparent 55%);
}

/* Variant: gold halo, larger + more diffuse — for hero / editorial pages */
.sheen-halo::before {
  background: radial-gradient(620px circle at var(--mx,50%) var(--my,50%),
              rgba(156,122,46,0.09), transparent 60%);
}

/* Variant: ember beam — narrow vertical light shaft tracking pointer */
.sheen-beam::before {
  background: linear-gradient(90deg, transparent calc(var(--mx,50%) - 220px),
              rgba(184,66,31,0.06) var(--mx,50%),
              transparent calc(var(--mx,50%) + 220px));
}

/* Variant: ink wash — for dark sections (deep paper) */
.sheen-wash::before {
  background: radial-gradient(560px circle at var(--mx,50%) var(--my,50%),
              rgba(14,17,22,0.05), transparent 55%);
}

/* Variant: dotted grid that fades in near cursor */
.sheen-grid::before {
  background-image: radial-gradient(circle, rgba(14,17,22,0.18) 1px, transparent 1.4px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(280px circle at var(--mx,50%) var(--my,50%), #000, transparent 70%);
  mask-image: radial-gradient(280px circle at var(--mx,50%) var(--my,50%), #000, transparent 70%);
}

/* Variant: vertical hairlines that reveal near cursor */
.sheen-rule::before {
  background-image: repeating-linear-gradient(90deg, rgba(14,17,22,0.10) 0 1px, transparent 1px 96px);
  -webkit-mask-image: radial-gradient(360px circle at var(--mx,50%) var(--my,50%), #000, transparent 70%);
  mask-image: radial-gradient(360px circle at var(--mx,50%) var(--my,50%), #000, transparent 70%);
}

/* Variant: glints — subtle moving highlight on tiles */
.sheen-glint::before {
  background: radial-gradient(180px circle at var(--mx,50%) var(--my,50%),
              rgba(255,255,255,0.55), transparent 60%);
  mix-blend-mode: soft-light;
}

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

/* Variant: hero aurora — dual gradient that breathes around the cursor */
.sheen-hero {
  overflow: hidden;
}
.sheen-hero::before {
  content: "";
  position: absolute;
  inset: -10%;
  pointer-events: none;
  background:
    radial-gradient(800px circle at var(--mx,50%) var(--my,50%), rgba(184,66,31,0.13), transparent 55%),
    radial-gradient(640px circle at calc(100% - var(--mx,50%)) calc(100% - var(--my,50%)), rgba(156,122,46,0.08), transparent 60%);
  opacity: 0;
  transition: opacity 1s ease;
  z-index: 0;
  filter: blur(2px);
}
.sheen-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent calc(var(--mx,50%) - 1px), rgba(184,66,31,0.18) var(--mx,50%), transparent calc(var(--mx,50%) + 1px));
  opacity: 0;
  transition: opacity 1.2s ease;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 30%, #000 75%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 30%, #000 75%, transparent 100%);
  mix-blend-mode: multiply;
  z-index: 0;
}
.sheen-hero.sheen-on::before,
.sheen-hero:hover::before { opacity: 1; }
.sheen-hero.sheen-on::after,
.sheen-hero:hover::after { opacity: 0.55; }
.sheen-hero > * { position: relative; z-index: 1; }

@media (prefers-reduced-motion: reduce) {
  .sheen-hero::before, .sheen-hero::after { transition: none; }
}

/* ============ Reveal animation ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(0.16,1,0.3,1), transform 0.9s cubic-bezier(0.16,1,0.3,1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Reveal variants */
.reveal-up { transform: translateY(40px); }
.reveal-blur { filter: blur(10px); transition: opacity 1s cubic-bezier(0.16,1,0.3,1), transform 1s cubic-bezier(0.16,1,0.3,1), filter 1s cubic-bezier(0.16,1,0.3,1); }
.reveal-blur.in { filter: blur(0); }
.reveal-scale { transform: translateY(30px) scale(0.985); }
.reveal-scale.in { transform: translateY(0) scale(1); }

/* Clip-mask reveal — slides a cover up off the element */
.reveal-mask {
  position: relative;
  display: inline-block;
  overflow: hidden;
}
.reveal-mask > .rm-content {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1s cubic-bezier(0.16,1,0.3,1);
  will-change: transform;
}
.reveal-mask.in > .rm-content { transform: translateY(0); }
.reveal-mask-1 > .rm-content { transition-delay: 0.05s; }
.reveal-mask-2 > .rm-content { transition-delay: 0.12s; }
.reveal-mask-3 > .rm-content { transition-delay: 0.20s; }

/* Eyebrow with animated leading line */
.eyebrow-line {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.eyebrow-line::before {
  content: "";
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.9s cubic-bezier(0.16,1,0.3,1) 0.15s;
}
.reveal.in .eyebrow-line::before,
.eyebrow-line.in::before { width: 36px; }

/* Word stagger on scroll */
.word-stagger > span {
  display: inline-block;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.75s cubic-bezier(0.16,1,0.3,1), transform 0.75s cubic-bezier(0.16,1,0.3,1);
}
.word-stagger.in > span { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal, .word-stagger > span, .reveal-mask > .rm-content, .reveal-blur { opacity: 1; transform: none; filter: none; transition: none; }
  .eyebrow-line::before { width: 36px; }
  html { scroll-behavior: auto; }
}

/* ============ Focus ============ */
:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ============ Hero bold variants ============ */
.hero[data-style="bold"] .hero-title {
  font-size: clamp(2.75rem, 13vw, 11rem);
  letter-spacing: -0.055em;
  font-weight: 500;
  line-height: 0.9;
  max-width: 14ch;
}
.hero[data-style="bold"] .hero-title .ember-mark { color: var(--ember); }
.hero[data-style="statement"] {
  background: var(--ink);
  color: var(--canvas);
}
.hero[data-style="statement"] .hero-title { color: var(--canvas); font-size: clamp(2.5rem, 10vw, 9rem); letter-spacing: -0.045em; }
.hero[data-style="statement"] .hero-eyebrow { color: var(--gold); }
.hero[data-style="statement"] .hero-sub { color: rgba(251,249,244,0.7); }
.hero[data-style="statement"] .pulse-dot { color: rgba(251,249,244,0.6); }
.hero[data-style="statement"] .link-underline { color: var(--canvas); border-bottom-color: rgba(251,249,244,0.4); }
.hero[data-style="statement"] .link-underline:hover { color: var(--ember); border-bottom-color: var(--ember); }
.hero[data-style="manifesto"] .hero-title {
  font-size: clamp(2rem, 5.4vw, 4.75rem);
  letter-spacing: -0.03em;
  line-height: 1.06;
  max-width: 22ch;
  font-style: italic;
  font-weight: 400;
  font-variation-settings: "SOFT" 100, "opsz" 144;
}
.hero[data-accent="ember"] .ember-mark::after { background: var(--ember); }
.hero[data-accent="gold"] .ember-mark::after { background: var(--gold); }
.hero[data-accent="ink"] .ember-mark::after { background: var(--ink); }

/* ============ Hero specific ============ */
.hero {
  padding: clamp(110px, 18vh, 200px) 0 clamp(72px, 14vh, 160px);
  min-height: clamp(560px, 92vh, 1000px);
  display: flex;
  align-items: center;
  position: relative;
}
.hero-inner { width: 100%; }
.hero-eyebrow { margin-bottom: 32px; }
.hero-title { font-size: var(--text-hero); line-height: 0.96; letter-spacing: -0.04em; max-width: 12ch; margin-bottom: clamp(24px, 4vw, 40px); word-break: break-word; overflow-wrap: anywhere; hyphens: auto; }
.hero-sub { max-width: 580px; margin-bottom: clamp(32px, 5vw, 48px); }
.hero-ctas { display: flex; gap: clamp(16px, 2.5vw, 24px); align-items: center; flex-wrap: wrap; }

/* ============ Section header pattern ============ */
.section-eyebrow { display: block; margin-bottom: 20px; }

/* ============ Common tweaks ============ */
.mono { font-family: var(--font-mono); font-feature-settings: "tnum"; }
.muted { color: var(--ink-3); }
.muted-2 { color: var(--ink-2); }
.maxw-580 { max-width: 580px; }
.maxw-640 { max-width: 640px; }
.maxw-720 { max-width: 720px; }
.center { text-align: center; }
.row { display: flex; }

/* Editorial body */
.editorial p {
  font-size: var(--text-body-lg);
  line-height: 1.7;
  color: var(--ink-2);
  margin: 0 0 1.4em;
  letter-spacing: -0.008em;
  text-wrap: pretty;
}
.editorial p:last-child { margin-bottom: 0; }

/* ============ Marquee ============ */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  background: var(--paper);
  position: relative;
  z-index: 2;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: 64px;
  animation: marquee-scroll 48s linear infinite;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2rem, 3.6vw, 3.25rem);
  letter-spacing: -0.025em;
  color: var(--ink);
  line-height: 1;
  white-space: nowrap;
  font-variation-settings: "SOFT" 80, "opsz" 144;
}
.marquee-track > span { display: inline-flex; align-items: center; gap: 64px; }
.marquee-track .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ember);
  flex-shrink: 0;
  transform: translateY(-2px);
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ============ Hairline draw on scroll ============ */
.hairline-draw {
  height: 1px;
  background: transparent;
  position: relative;
  overflow: hidden;
  border: 0;
  margin: 0;
}
.hairline-draw::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--line);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 1.4s cubic-bezier(0.16,1,0.3,1);
}
.hairline-draw.in::before { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) {
  .hairline-draw::before { transform: none; }
}

/* ============ Rotating word ============ */
.rotator {
  display: inline-flex;
  position: relative;
  vertical-align: baseline;
  height: 1.1em;
  overflow: hidden;
  min-width: 8.5ch;
}
.rotator-word {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  transform: translateY(100%);
  color: var(--ember);
  font-style: italic;
  font-family: var(--font-display);
  font-weight: 400;
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
  white-space: nowrap;
}
.rotator-word.in { opacity: 1; transform: translateY(0); }
.rotator-word.out { opacity: 0; transform: translateY(-100%); transition-duration: 0.5s; }

/* ============ Hero ember underline ============ */
.ember-mark {
  position: relative;
  display: inline-block;
}
.ember-mark::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -0.08em;
  height: 3px;
  background: var(--ember);
  transform: scaleX(0);
  transform-origin: left center;
  animation: ember-draw 1.6s cubic-bezier(0.16,1,0.3,1) 1.2s forwards;
}
@keyframes ember-draw {
  to { transform: scaleX(1); }
}
@media (prefers-reduced-motion: reduce) {
  .ember-mark::after { transform: scaleX(1); animation: none; }
}

/* ============ Pulse dot indicator ============ */
.pulse-dot {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.pulse-dot::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ember);
  position: relative;
  box-shadow: 0 0 0 0 rgba(184, 66, 31, 0.6);
  animation: pulse 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(184,66,31,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(184,66,31,0); }
}
@media (prefers-reduced-motion: reduce) {
  .pulse-dot::before { animation: none; }
}

/* ============ Case card sheen ============ */
.case-card { position: relative; overflow: hidden; }
.case-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(184,66,31,0.05), transparent 60%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.case-card:hover::before { opacity: 1; }

/* Skip link */
.skip {
  position: absolute;
  left: -10000px;
  top: 20px;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 18px;
  border-radius: 4px;
  z-index: 200;
}
.skip:focus { left: 32px; }

/* ============================================
   v2 — shared patterns
   ============================================ */

/* Visual placeholder frame — used until real assets exist.
   Editorial, restrained, never decorative. */
.vframe {
  position: relative;
  width: 100%;
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vframe[data-ratio="16/9"] { aspect-ratio: 16 / 9; }
.vframe[data-ratio="3/4"]  { aspect-ratio: 3 / 4; }
.vframe[data-ratio="1/1"]  { aspect-ratio: 1 / 1; }
.vframe[data-ratio="21/9"] { aspect-ratio: 21 / 9; }
.vframe::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(135deg,
      transparent 0 18px,
      rgba(14,17,22,0.035) 18px 19px);
  pointer-events: none;
}
.vframe .vlabel {
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  z-index: 1;
  max-width: 80%;
  text-align: center;
}
.vcaption {
  display: block;
  margin-top: 16px;
  font-size: var(--text-small);
  color: var(--ink-3);
  line-height: 1.55;
  max-width: 60ch;
}

/* ============ Page hero (non-home pages) ============ */
.page-hero {
  padding: clamp(140px, 22vh, 220px) 0 clamp(56px, 10vh, 112px);
  position: relative;
}
.page-hero .eyebrow { margin-bottom: 24px; display: inline-block; }
.page-hero h1 {
  font-size: clamp(2.5rem, 7vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  max-width: 18ch;
  margin-bottom: clamp(24px, 4vw, 36px);
}
.page-hero .lead { max-width: 620px; }

/* ============ v2 home — Capabilities (5 tiles, 3 + 2) ============ */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.cap-tile {
  grid-column: span 2;
  background: var(--canvas);
  padding: clamp(32px, 4vw, 48px) clamp(28px, 3.5vw, 40px);
  transition: background 0.4s ease;
}
.cap-tile:nth-child(4),
.cap-tile:nth-child(5) { grid-column: span 3; }
.cap-tile:hover { background: var(--paper); }
.cap-num {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 28px;
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.cap-tile h3 {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2vw, 1.75rem);
  line-height: 1.15;
  letter-spacing: -0.018em;
  margin-bottom: 14px;
  max-width: 20ch;
}
.cap-tile p { color: var(--ink-2); margin: 0; max-width: 46ch; }

@media (max-width: 900px) {
  .cap-grid { grid-template-columns: 1fr; }
  .cap-tile,
  .cap-tile:nth-child(4),
  .cap-tile:nth-child(5) { grid-column: auto; }
}

/* ============ Range strip (home + about) ============ */
.range-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(32px, 4vw, 56px) clamp(28px, 3vw, 40px);
}
.range-item { display: flex; flex-direction: column; }
@media (max-width: 900px) {
  .range-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .range-grid { grid-template-columns: 1fr; }
}

/* ============ Who-we-work-with (4 cards) ============ */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.audience-card {
  background: var(--paper);
  padding: clamp(32px, 4vw, 48px) clamp(28px, 3.5vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.4s ease;
}
.audience-card:hover { background: var(--canvas); }
.audience-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  line-height: 1.12;
  letter-spacing: -0.022em;
  max-width: 20ch;
}
.audience-card p { color: var(--ink-2); margin: 0; max-width: 48ch; }
.audience-card .apply-cue {
  margin-top: auto;
  padding-top: 16px;
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ember);
  border-top: 1px solid var(--line);
}
@media (max-width: 800px) {
  .audience-grid { grid-template-columns: 1fr; }
}

/* ============ Case teaser metric strip (4 cols, mono) ============ */
.tease-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 40px 0 40px;
}
.tease-metric {
  background: var(--paper);
  padding: clamp(20px, 3vw, 28px) clamp(16px, 2.5vw, 22px);
}
.tease-metric .tm-k {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 6px;
}
.tease-metric .tm-v {
  font-size: var(--text-small);
  color: var(--ink-3);
  line-height: 1.45;
}
@media (max-width: 900px) {
  .tease-metrics { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .tease-metrics { grid-template-columns: 1fr; }
}

/* ============ About — alternating range blocks ============ */
.about-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 7vw, 96px);
  align-items: center;
  margin-bottom: clamp(72px, 12vw, 144px);
}
.about-block:last-child { margin-bottom: 0; }
.about-block.alt .ab-text { order: 2; }
.about-block.alt .ab-visual { order: 1; }
.about-block h3 {
  font-family: var(--font-display);
  font-size: clamp(1.625rem, 2.6vw, 2.25rem);
  line-height: 1.12;
  letter-spacing: -0.022em;
  margin-bottom: 20px;
  max-width: 18ch;
}
.about-block p { color: var(--ink-2); margin: 0; max-width: 48ch; }
@media (max-width: 800px) {
  .about-block { grid-template-columns: 1fr; gap: 32px; }
  .about-block.alt .ab-text { order: 1; }
  .about-block.alt .ab-visual { order: 2; }
}

/* ============ About — principles (we do not …) ============ */
.principles { display: flex; flex-direction: column; gap: 28px; }
.principle {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  line-height: 1.4;
  color: var(--ink);
  letter-spacing: -0.012em;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.principle:last-child { border-bottom: 0; padding-bottom: 0; }

/* ============ Work — selected engagements list ============ */
.engagements { display: flex; flex-direction: column; }
.engagement {
  padding: clamp(32px, 4vw, 48px) 0;
  border-top: 1px solid var(--line);
}
.engagement:last-child { border-bottom: 1px solid var(--line); }
.engagement h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  max-width: 24ch;
}
.engagement p { color: var(--ink-2); margin: 0; max-width: 70ch; }
.engagement-num {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.14em;
  color: var(--gold);
  display: inline-block;
  margin-bottom: 12px;
}

/* ============ Case study — context strip (4 mono cols) ============ */
.context-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.context-cell {
  background: var(--paper);
  padding: clamp(20px, 2.5vw, 28px) clamp(18px, 2.2vw, 24px);
}
.context-k {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.context-v {
  font-size: var(--text-small);
  color: var(--ink-2);
  line-height: 1.45;
}
@media (max-width: 800px) {
  .context-strip { grid-template-columns: 1fr 1fr; }
}

/* ============ Case study — intervention block ============ */
.intervention {
  padding-top: clamp(48px, 6vw, 80px);
  margin-top: clamp(48px, 6vw, 80px);
  border-top: 1px solid var(--line);
}
.intervention:first-of-type { border-top: 0; margin-top: 0; padding-top: 0; }
.intervention-num {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 18px;
}
.intervention h3 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.022em;
  margin-bottom: clamp(20px, 3vw, 28px);
  max-width: 22ch;
}
.intervention .editorial { max-width: 64ch; }
.intervention .visual-block { margin-top: clamp(32px, 4vw, 48px); }

/* ============ Case study — outcome metrics (5 large) ============ */
.outcome-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.outcome-cell {
  background: var(--paper);
  padding: clamp(28px, 3.5vw, 40px) clamp(20px, 2.5vw, 28px);
}
.outcome-v {
  font-family: var(--font-mono);
  font-size: clamp(1.875rem, 3vw, 2.75rem);
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1;
}
.outcome-l {
  font-size: var(--text-small);
  color: var(--ink-3);
  line-height: 1.4;
}
@media (max-width: 900px) {
  .outcome-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .outcome-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Approach — per-phase deliverable card
   Sits under the H2 in each phase section.
   ============================================ */
.phase-card {
  margin-top: clamp(28px, 3.5vw, 40px);
  padding: clamp(24px, 3vw, 32px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(14,17,22,0.04), 0 24px 48px -24px rgba(14,17,22,0.12);
}
.phase-card--accent { border-color: var(--ember); }
.phase-card--accent::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--ember);
}
.phase-card .phase-num {
  font-size: clamp(2.5rem, 4vw, 3.25rem);
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
  margin-bottom: 4px;
}
.phase-card--accent .phase-num { color: var(--ember); }
.phase-card .phase-meta {
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.phase-card .phase-meta-k {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.phase-card .phase-meta-v {
  font-size: var(--text-small);
  color: var(--ink);
  line-height: 1.5;
}

/* ============ Approach — selection criteria ============ */
.criteria { display: flex; flex-direction: column; }
.criterion {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 5vw, 64px);
  padding: clamp(28px, 3.5vw, 40px) 0;
  border-top: 1px solid var(--line);
}
.criterion:last-child { border-bottom: 1px solid var(--line); }
.criterion-k {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: -0.012em;
  max-width: 28ch;
}
.criterion-v {
  font-size: var(--text-body);
  color: var(--ink-3);
  margin: 0;
  font-style: italic;
  font-family: var(--font-display);
  font-weight: 400;
  max-width: 40ch;
}
@media (max-width: 720px) {
  .criterion { grid-template-columns: 1fr; gap: 12px; }
}

/* ============ Apply form ============ */
.form {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 3.5vw, 40px);
  max-width: 640px;
  margin: 0 auto;
}
.form-field { display: flex; flex-direction: column; gap: 10px; }
.form-field label {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}
.form-field .req { color: var(--ember); margin-left: 4px; }
.form-field .opt {
  color: var(--ink-4);
  text-transform: none;
  letter-spacing: 0;
  font-style: italic;
  margin-left: 6px;
}
.form-field .help {
  font-size: var(--text-small);
  color: var(--ink-3);
  margin-top: -2px;
}
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="url"],
.form-field input[type="tel"],
.form-field textarea,
.form-field select {
  font: inherit;
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 14px 16px;
  width: 100%;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  letter-spacing: -0.005em;
}
.form-field textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--ember);
  box-shadow: 0 0 0 3px rgba(184,66,31,0.12);
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--ink-4); }
.form-radios { display: flex; flex-direction: column; gap: 12px; }
.form-radio {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  cursor: pointer;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.form-radio:hover { border-color: #C8C0AB; }
.form-radio input { accent-color: var(--ember); margin-top: 3px; }
.form-radio input:checked + span { color: var(--ink); }
.form-radio span { color: var(--ink-2); font-size: var(--text-body); }
.form-radio:has(input:checked) {
  border-color: var(--ember);
  background: rgba(184,66,31,0.04);
}
.char-count {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.06em;
  color: var(--ink-4);
  text-align: right;
}
.char-count.met { color: var(--gold); }
.form-error {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.06em;
  color: var(--ember);
  display: none;
}
.form-field.has-error input,
.form-field.has-error textarea,
.form-field.has-error select { border-color: var(--ember); }
.form-field.has-error .form-error { display: block; }
.form-submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.form-disclosure {
  font-size: var(--text-small);
  color: var(--ink-3);
  margin: 24px auto 0;
  max-width: 640px;
  font-style: italic;
  font-family: var(--font-display);
  text-align: center;
}

/* ============ Thank-you ============ */
.thanks {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(96px, 14vh, 160px) 0;
}
.thanks h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
}

/* ============================================
   Editorial UI screenshot frames
   Used when a real product UI replaces a .vframe placeholder.
   ============================================ */
.shot {
  position: relative;
  background: linear-gradient(180deg, #F4EDDE 0%, #EDE7DB 100%);
  border: 1px solid rgba(14, 17, 22, 0.06);
  border-radius: 12px;
  padding: clamp(20px, 2.4vw, 36px);
  box-shadow:
    0 1px 0 rgba(14, 17, 22, 0.04),
    0 30px 60px -30px rgba(14, 17, 22, 0.18);
  overflow: hidden;
}
.shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow:
    0 1px 3px rgba(14, 17, 22, 0.08),
    0 12px 32px -12px rgba(14, 17, 22, 0.18);
}
/* Browser chrome variant — three neutral dots, no traffic-light colors
   (color discipline: ember is the only chromatic accent on the brand). */
.shot--browser .shot-chrome {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 14px;
  padding-left: 4px;
}
.shot--browser .shot-chrome i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(14, 17, 22, 0.18);
  display: inline-block;
}
/* Phone bezel — for portrait mobile screenshots */
.shot-phone {
  position: relative;
  max-width: 280px;
  margin: 0 auto;
  background: #0E1116;
  border-radius: 36px;
  padding: 10px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 1px 3px rgba(14, 17, 22, 0.12),
    0 24px 56px -16px rgba(14, 17, 22, 0.32);
}
.shot-phone img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 26px;
}
/* Desktop + phone pair — for the case-study showpiece */
.shot-pair {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: clamp(20px, 3vw, 48px);
  align-items: center;
}
.shot-pair .shot { padding: clamp(16px, 2vw, 28px); }
@media (max-width: 720px) {
  .shot-pair { grid-template-columns: 1fr; gap: 32px; }
  .shot-phone { max-width: 240px; }
}

/* ============================================
   SVG diagram system — inline diagrams that draw on scroll
   Used for: architecture, playbook, product arc, AI flow
   ============================================ */
.diagram {
  position: relative;
  background: linear-gradient(180deg, #FDFAF2 0%, #F4EDDE 100%);
  border: 1px solid rgba(14, 17, 22, 0.06);
  border-radius: 12px;
  padding: clamp(28px, 4vw, 56px);
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(14, 17, 22, 0.04),
    0 30px 60px -30px rgba(14, 17, 22, 0.14);
}
.diagram svg { display: block; width: 100%; height: auto; }
.diagram .d-node-bg { fill: #FFFFFF; stroke: var(--ink-3); stroke-width: 1; }
.diagram .d-node-label {
  fill: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-anchor: middle;
  dominant-baseline: middle;
}
.diagram .d-node-sub {
  fill: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-anchor: middle;
  dominant-baseline: middle;
}
.diagram .d-line { stroke: var(--ink-3); stroke-width: 1; fill: none; }
.diagram .d-line--accent { stroke: var(--ember); stroke-width: 1.5; }
.diagram .d-dot { fill: var(--ember); }

/* Path draw + node fade animation — default to VISIBLE (no-JS safe).
   Only when JS has loaded (html.js) and the diagram hasn't entered yet
   (.diagram:not(.in)) do we hide it, ready for the animate-in. */
.diagram .d-line,
.diagram .d-line--accent {
  transition: stroke-dashoffset 1.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.diagram .d-node {
  transform-origin: center;
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
html.js .diagram:not(.in) .d-line,
html.js .diagram:not(.in) .d-line--accent {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
}
html.js .diagram:not(.in) .d-node {
  opacity: 0;
  transform: translateY(8px);
}
.diagram.in .d-line,
.diagram.in .d-line--accent { stroke-dashoffset: 0; }
.diagram.in .d-node { opacity: 1; transform: translateY(0); }
.diagram .d-node:nth-child(2) { transition-delay: 0.05s; }
.diagram .d-node:nth-child(3) { transition-delay: 0.10s; }
.diagram .d-node:nth-child(4) { transition-delay: 0.15s; }
.diagram .d-node:nth-child(5) { transition-delay: 0.20s; }
.diagram .d-node:nth-child(6) { transition-delay: 0.25s; }
.diagram .d-node:nth-child(7) { transition-delay: 0.30s; }
.diagram .d-node:nth-child(8) { transition-delay: 0.35s; }
.diagram .d-node:nth-child(9) { transition-delay: 0.40s; }
.diagram .d-node:nth-child(10) { transition-delay: 0.45s; }
.diagram .d-node:nth-child(11) { transition-delay: 0.50s; }

/* Ember dot pulse on key nodes */
.diagram .d-pulse {
  transform-origin: center center;
  transform-box: fill-box;
  animation: d-pulse 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes d-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@media (prefers-reduced-motion: reduce) {
  .diagram .d-line, .diagram .d-line--accent { stroke-dashoffset: 0; transition: none; }
  .diagram .d-node { opacity: 1; transform: none; transition: none; }
  .diagram .d-pulse { animation: none; }
}

/* ============================================
   Firm stats grid — 2x2 of small mono figure + caption
   Used on About "The Firm" section as the visual moment
   ============================================ */
.firm-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.firm-stat {
  background: var(--paper);
  padding: clamp(28px, 3.5vw, 40px) clamp(20px, 2.5vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.4s ease;
}
.firm-stat:hover { background: var(--canvas); }
.firm-stat-figure {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  font-size: clamp(1.875rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
}
.firm-stat-label {
  font-size: var(--text-small);
  color: var(--ink-3);
  line-height: 1.5;
  max-width: 30ch;
}
@media (max-width: 600px) {
  .firm-stats { grid-template-columns: 1fr; }
}

/* ============================================
   Typographic credibility block
   Used for: patents / institutional authority
   ============================================ */
.cred-block {
  background: linear-gradient(180deg, #FDFAF2 0%, #F4EDDE 100%);
  border: 1px solid rgba(14, 17, 22, 0.06);
  border-radius: 12px;
  padding: clamp(36px, 5vw, 64px) clamp(28px, 4vw, 56px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cred-block .cred-figure {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin: 0;
  font-variation-settings: "SOFT" 50, "opsz" 144;
}
.cred-block .cred-unit {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 16px 0 24px;
  display: block;
}
.cred-block .cred-divider {
  width: 24px;
  height: 1px;
  background: var(--ember);
  margin: 0 auto 24px;
}
.cred-block .cred-names {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  letter-spacing: 0.04em;
  color: var(--ink-2);
}
.cred-block .cred-names span {
  position: relative;
  white-space: nowrap;
}
.cred-block .cred-names span:not(:last-child)::after {
  content: "·";
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-4);
}

/* ============ Methodology three-step (v2 home) ============ */
.method-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.method-step {
  background: var(--paper);
  padding: clamp(36px, 4vw, 56px) clamp(28px, 3.5vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.method-meta {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.method-meta .dur { color: var(--ink-3); }
.method-step h3 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.75rem);
  line-height: 1.04;
  letter-spacing: -0.026em;
}
.method-step p { color: var(--ink-2); margin: 0; max-width: 42ch; }
@media (max-width: 900px) {
  .method-strip { grid-template-columns: 1fr; }
}