/* ========================================================================
   QiYuan Labs — Studio Editorial design system
   Dark warm-ink theme · Fraunces × Manrope × JetBrains Mono
   ======================================================================== */

:root {
  /* Palette */
  --ink:        #0a0a09;
  --ink-2:      #131311;
  --ink-3:      #1a1a17;
  --ink-4:      #232320;
  --paper:      #f0ebe1;
  --paper-dim:  #9a948a;
  --paper-mute: #5c5a54;
  --rule:       #2a2a25;
  --rule-soft:  #1f1f1c;
  --ember:      #ff6b35;
  --ember-soft: #ff8c5a;
  --signal:     #f0ebe1;

  /* Type */
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body:    "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", "SF Mono", Menlo, monospace;

  /* Layout */
  --container: 1280px;
  --gutter: clamp(24px, 5vw, 56px);
  --section-y: clamp(96px, 14vh, 168px);

  /* Motion */
  --ease: cubic-bezier(.2, .65, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--paper);
  background: var(--ink);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Subtle film grain over everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.04;
  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='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.94  0 0 0 0 0.92  0 0 0 0 0.88  0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}

/* Soft ember glow in top-right of every page */
body::after {
  content: "";
  position: fixed;
  top: -300px;
  right: -300px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}

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

/* ------------------------------------------------------------------------
   Typography
   ------------------------------------------------------------------------ */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 380;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
  font-variation-settings: "opsz" 144;
}

h1 {
  font-size: clamp(3rem, 8.5vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
}
h2 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
}
h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  letter-spacing: -0.015em;
  line-height: 1.1;
  font-variation-settings: "opsz" 36;
}
h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.005em;
  line-height: 1.3;
}

p {
  color: var(--paper);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 62ch;
}
p + p { margin-top: 1.1em; }

em, i { font-style: italic; font-variation-settings: "opsz" 72; }

a {
  color: var(--paper);
  text-decoration: none;
  transition: color .15s var(--ease);
}
a:hover { color: var(--ember); }

::selection { background: var(--ember); color: var(--ink); }

/* Mono caption — used everywhere as a "publication metadata" device */
.caption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

.caption-ember { color: var(--ember); }

/* Section number */
.section-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--ember);
}

/* Drop cap utility */
.dropcap::first-letter {
  font-family: var(--font-display);
  font-weight: 380;
  font-variation-settings: "opsz" 144;
  font-size: 5.2em;
  float: left;
  line-height: 0.85;
  margin: 0.05em 0.08em 0 -0.05em;
  color: var(--paper);
}

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

.container {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  position: relative;
  z-index: 2;
}

.section { padding-top: var(--section-y); padding-bottom: var(--section-y); position: relative; }
.section-sm { padding-top: calc(var(--section-y) * 0.55); padding-bottom: calc(var(--section-y) * 0.55); }

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 28px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--ember);
}

/* ------------------------------------------------------------------------
   Header & navigation
   ------------------------------------------------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 9, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--rule-soft);
}

.nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 48px;
  height: 72px;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 420;
  font-size: 1.4rem;
  letter-spacing: -0.025em;
  font-variation-settings: "opsz" 36;
  color: var(--paper);
}
.brand:hover { color: var(--paper); }
.brand .ampersand {
  font-style: italic;
  font-variation-settings: "opsz" 72;
  color: var(--ember);
  font-weight: 380;
}
.brand .lab {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-dim);
  align-self: center;
  margin-left: 4px;
}

.nav-links {
  display: flex;
  gap: 36px;
  justify-content: center;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-dim);
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--ember);
  transition: width .25s var(--ease-out);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--paper);
}
.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ember);
  color: var(--ink) !important;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 11px 18px 11px 20px;
  border-radius: 999px;
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.nav-cta:hover {
  background: var(--ember-soft);
  color: var(--ink) !important;
  transform: translateY(-1px);
}
.nav-cta::after {
  content: "↗";
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0;
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: var(--paper);
  cursor: pointer;
  padding: 8px;
}

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

.hero {
  padding-top: clamp(80px, 12vh, 140px);
  padding-bottom: clamp(80px, 12vh, 140px);
  position: relative;
  border-bottom: 1px solid var(--rule);
}

.hero-meta {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  margin-bottom: clamp(40px, 6vw, 72px);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.hero-meta-left { justify-self: start; }
.hero-meta-center { justify-self: center; color: var(--ember); }
.hero-meta-right { justify-self: end; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: end;
}

.hero-title {
  font-size: clamp(3rem, 10vw, 9rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  font-weight: 360;
  font-variation-settings: "opsz" 144;
}
.hero-title em {
  font-style: italic;
  color: var(--ember);
  font-variation-settings: "opsz" 144, "SOFT" 50;
  font-weight: 380;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-bottom: 16px;
}
.hero-side p {
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--paper);
  max-width: 36ch;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Marquee — tech stack scroller below hero */
.marquee {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  background: var(--ink-2);
  padding: 22px 0;
}
.marquee-track {
  display: flex;
  gap: 56px;
  white-space: nowrap;
  animation: marquee 50s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.marquee-track span { display: inline-flex; align-items: center; gap: 56px; }
.marquee-track span::after {
  content: "✦";
  color: var(--ember);
  font-size: 0.7rem;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: all .2s var(--ease);
  background: transparent;
  color: var(--paper);
  text-decoration: none;
}
.btn::after {
  content: "→";
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0;
  transition: transform .25s var(--ease-out);
}
.btn:hover::after { transform: translateX(4px); }

.btn-primary {
  background: var(--ember);
  color: var(--ink);
}
.btn-primary:hover { background: var(--ember-soft); color: var(--ink); }

.btn-ghost {
  border-color: var(--rule);
  color: var(--paper);
}
.btn-ghost:hover { border-color: var(--paper-dim); color: var(--paper); background: var(--ink-2); }

.btn-large { padding: 20px 32px; font-size: 0.84rem; }

/* ------------------------------------------------------------------------
   Page hero (smaller, used on interior pages)
   ------------------------------------------------------------------------ */

.page-hero {
  padding-top: clamp(64px, 9vh, 100px);
  padding-bottom: clamp(48px, 7vh, 80px);
  border-bottom: 1px solid var(--rule);
}
.page-hero h1 {
  font-size: clamp(2.5rem, 6.5vw, 5.5rem);
  margin-bottom: 24px;
  max-width: 18ch;
}
.page-hero .lede {
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--paper-dim);
  max-width: 52ch;
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 40px;
  display: flex;
  gap: 8px;
}
.breadcrumb a { color: var(--paper-dim); }
.breadcrumb a:hover { color: var(--ember); }
.breadcrumb .sep { color: var(--paper-mute); }

/* ------------------------------------------------------------------------
   Section header
   ------------------------------------------------------------------------ */

.section-header {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: end;
  margin-bottom: clamp(48px, 8vh, 100px);
  padding-top: 32px;
}
.section-header-lead h2 { max-width: 14ch; }
.section-header-right p {
  font-size: 1.1rem;
  color: var(--paper-dim);
  max-width: 50ch;
}

/* ------------------------------------------------------------------------
   Manifesto / opening editorial block
   ------------------------------------------------------------------------ */

.editorial {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(40px, 6vw, 100px);
  padding: clamp(60px, 8vh, 100px) 0;
  border-top: 1px solid var(--rule);
}
.editorial-aside .caption { display: block; margin-bottom: 14px; }
.editorial-aside h3 {
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  max-width: 14ch;
}
.editorial-body p {
  font-size: 1.2rem;
  line-height: 1.55;
  max-width: 58ch;
}
.editorial-body p + p { margin-top: 1em; }

.pullquote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 380;
  font-variation-settings: "opsz" 144;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--paper);
  padding-left: 24px;
  border-left: 2px solid var(--ember);
  margin: 40px 0;
  max-width: 30ch;
}

/* ------------------------------------------------------------------------
   Practices / Services — numbered chapter rows
   ------------------------------------------------------------------------ */

.practice {
  display: grid;
  grid-template-columns: 80px 1fr 1.3fr 1fr;
  gap: clamp(20px, 3vw, 56px);
  padding: clamp(40px, 6vh, 72px) 0;
  border-top: 1px solid var(--rule);
  align-items: start;
  position: relative;
}
.practice:last-child { border-bottom: 1px solid var(--rule); }
.practice:hover .practice-title { color: var(--ember); }
.practice-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--paper-mute);
  padding-top: 12px;
}
.practice-title {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 72;
  transition: color .2s var(--ease);
}
.practice-body p {
  font-size: 1rem;
  line-height: 1.55;
  color: var(--paper);
  margin-bottom: 14px;
}
.practice-stack {
  list-style: none;
  padding: 0;
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.practice-stack li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 10px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--paper-dim);
}
.practice-price {
  font-family: var(--font-mono);
  text-align: right;
  padding-top: 10px;
}
.practice-price .from {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 8px;
}
.practice-price .amount {
  display: block;
  font-family: var(--font-display);
  font-weight: 380;
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  letter-spacing: -0.02em;
  color: var(--paper);
  line-height: 1;
}
.practice-price .unit {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--paper-mute);
  margin-top: 6px;
  text-transform: uppercase;
}

/* ------------------------------------------------------------------------
   Cards (generic block, used for principles, FAQ etc.)
   ------------------------------------------------------------------------ */

.cards { display: grid; gap: 0; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }

.cell {
  padding: 36px;
  border-top: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.cards-3 .cell:nth-child(3n) { border-right: 0; }
.cards-2 .cell:nth-child(2n) { border-right: 0; }
.cards > .cell:nth-last-child(-n+3) { border-bottom: 0; }
.cell-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--ember);
  font-weight: 500;
}
.cell h4 {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: 1.5rem;
  letter-spacing: -0.015em;
  line-height: 1.05;
  font-variation-settings: "opsz" 72;
}
.cell p {
  font-size: 0.98rem;
  color: var(--paper-dim);
  line-height: 1.55;
}
.cards-bordered { border-bottom: 1px solid var(--rule); }
.cards-bordered .cell { border-left: 1px solid var(--rule); }
.cards-3 .cell:not(:nth-child(3n+1)) { border-left: 0; }
.cards-2 .cell:not(:nth-child(2n+1)) { border-left: 0; }

/* ------------------------------------------------------------------------
   Case studies — editorial cards
   ------------------------------------------------------------------------ */

.cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}
.case {
  padding: clamp(36px, 4vw, 56px);
  border-top: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
}
.cases > .case:nth-child(2n) { border-right: 0; }
.cases > .case:last-child, .cases > .case:nth-last-child(2):nth-child(odd) { border-bottom: 1px solid var(--rule); }
.case:nth-last-child(-n+2) { border-bottom: 1px solid var(--rule); }

.case-tags {
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.case-tags .tag-ember { color: var(--ember); }

.case h3 {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  font-variation-settings: "opsz" 72;
  max-width: 22ch;
}
.case-body p {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--paper);
}
.case-body strong {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
  display: block;
  margin-top: 8px;
  margin-bottom: 4px;
}
.case-metrics {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--rule-soft);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.case-metric .v {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: clamp(1.4rem, 2vw, 1.9rem);
  letter-spacing: -0.02em;
  color: var(--paper);
  line-height: 1;
  font-variation-settings: "opsz" 72;
}
.case-metric .v em { color: var(--ember); font-style: italic; }
.case-metric .l {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-top: 8px;
  line-height: 1.4;
}

/* ------------------------------------------------------------------------
   Testimonials
   ------------------------------------------------------------------------ */

.testimonial {
  padding: clamp(32px, 4vw, 48px);
  border-top: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.testimonials-2 .testimonial:nth-child(2n) { border-right: 0; }
.testimonial-quote {
  font-family: var(--font-display);
  font-weight: 380;
  font-style: italic;
  font-size: clamp(1.25rem, 1.7vw, 1.5rem);
  line-height: 1.3;
  color: var(--paper);
  font-variation-settings: "opsz" 72;
  letter-spacing: -0.005em;
}
.testimonial-quote::before {
  content: "“";
  display: block;
  font-size: 4rem;
  font-style: italic;
  line-height: 0.3;
  color: var(--ember);
  margin-bottom: 16px;
  font-variation-settings: "opsz" 144;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--rule-soft);
}
.testimonial-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--paper);
}
.testimonial-role {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--paper-mute);
  text-transform: uppercase;
  margin-top: 4px;
}

/* ------------------------------------------------------------------------
   About — stats / story
   ------------------------------------------------------------------------ */

.story-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}
.story-body p {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--paper);
}
.story-body p + p { margin-top: 1em; }

.factsheet {
  border-top: 1px solid var(--rule);
}
.factsheet-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.factsheet-row .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.factsheet-row .value {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: 1.2rem;
  font-variation-settings: "opsz" 36;
  color: var(--paper);
  letter-spacing: -0.01em;
  text-align: right;
}

/* ------------------------------------------------------------------------
   Team
   ------------------------------------------------------------------------ */

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}
.team-member {
  padding: clamp(32px, 4vw, 48px);
  border-top: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.team-member:last-child { border-right: 0; }
.team-mark {
  width: 64px;
  height: 64px;
  border: 1px solid var(--rule);
  font-family: var(--font-display);
  font-weight: 380;
  font-size: 1.3rem;
  font-variation-settings: "opsz" 36;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ember);
  letter-spacing: 0;
  margin-bottom: 8px;
}

.team-portrait {
  width: 96px;
  height: 96px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  margin-bottom: 8px;
  display: block;
  filter: saturate(0.95);
  transition: filter .25s var(--ease), transform .35s var(--ease-out);
}
.team-member:hover .team-portrait {
  filter: saturate(1.1);
  transform: translateY(-2px);
}

/* ------------------------------------------------------------------------
   Open-source card (used on About page)
   ------------------------------------------------------------------------ */

.oss-card {
  display: block;
  padding: clamp(32px, 4vw, 48px);
  border: 1px solid var(--rule);
  background: var(--ink-2);
  text-decoration: none;
  color: var(--paper);
  transition: border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.oss-card::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.12) 0%, transparent 65%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .3s var(--ease);
}
.oss-card:hover {
  border-color: var(--ember);
  background: var(--ink-3);
}
.oss-card:hover::before { opacity: 1; }

.oss-meta {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  position: relative;
}
.oss-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ember);
}
.oss-repo {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--paper-dim);
  letter-spacing: 0.02em;
}
.oss-repo strong { color: var(--paper); font-weight: 600; }
.oss-title {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 72;
  margin-bottom: 18px;
  max-width: 28ch;
  position: relative;
  color: var(--paper);
}
.oss-card:hover .oss-title { color: var(--ember); }
.oss-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--paper-dim);
  margin-bottom: 28px;
  max-width: 64ch;
  position: relative;
}
.oss-desc code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  padding: 1px 6px;
  background: var(--ink-4);
  border-radius: 3px;
  color: var(--paper);
}
.oss-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ember);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  position: relative;
}
.oss-cta .arrow {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0;
  transition: transform .25s var(--ease-out);
}
.oss-card:hover .oss-cta .arrow { transform: translate(3px, -3px); }

/* GitHub icon for footer */
.gh-icon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}
.gh-icon svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}
.team-member h4 {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: 1.7rem;
  letter-spacing: -0.015em;
  font-variation-settings: "opsz" 72;
  line-height: 1;
}
.team-role {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ember);
}
.team-bio {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--paper-dim);
}

/* ------------------------------------------------------------------------
   CTA banner
   ------------------------------------------------------------------------ */

.cta {
  padding: clamp(80px, 14vh, 140px) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  bottom: -200px;
  left: 30%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.13) 0%, transparent 65%);
  pointer-events: none;
}
.cta-inner { position: relative; text-align: center; }
.cta-inner .caption { display: block; margin-bottom: 28px; color: var(--ember); }
.cta-inner h2 {
  font-size: clamp(2.5rem, 7vw, 6rem);
  letter-spacing: -0.04em;
  margin-bottom: 28px;
  max-width: 16ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 0.95;
}
.cta-inner h2 em {
  font-style: italic;
  color: var(--ember);
  font-variation-settings: "opsz" 144;
}
.cta-inner p {
  font-size: 1.1rem;
  color: var(--paper-dim);
  max-width: 48ch;
  margin: 0 auto 40px;
}
.cta-actions {
  display: inline-flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(48px, 6vw, 96px);
  align-items: start;
}

.contact-side .mailto-link {
  display: block;
  font-family: var(--font-display);
  font-weight: 380;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--paper);
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  transition: color .2s var(--ease);
  font-variation-settings: "opsz" 72;
}
.contact-side .mailto-link:hover { color: var(--ember); }
.contact-side .mailto-link .arrow {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.9em;
  margin-left: 8px;
  display: inline-block;
  transition: transform .25s var(--ease-out);
}
.contact-side .mailto-link:hover .arrow { transform: translateX(6px); }

.contact-side .address {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}
.contact-side .address .caption { display: block; margin-bottom: 12px; }
.contact-side .address .lines {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--paper);
}
.contact-side .hours {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--rule-soft);
}
.contact-side .hours .caption { display: block; margin-bottom: 12px; }

.contact-form {
  padding: clamp(36px, 4vw, 48px);
  border: 1px solid var(--rule);
  background: var(--ink-2);
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-form .form-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 8px;
}
.contact-form .form-eyebrow::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ember);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

.form-field input,
.form-field textarea,
.form-field select {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  color: var(--paper);
  padding: 8px 0 12px;
  transition: border-color .2s var(--ease);
  border-radius: 0;
}
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--paper-mute);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--ember);
}
.form-field textarea {
  min-height: 120px;
  resize: vertical;
  font-family: var(--font-body);
}
.form-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%239a948a' fill='none' stroke-width='1.5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 4px center;
  padding-right: 24px;
}
.form-field select option { background: var(--ink-2); color: var(--paper); }

.form-status {
  display: none;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  border-radius: 4px;
}
.form-status.ok {
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid var(--ember);
  color: var(--ember-soft);
}
.form-status.err {
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid #dc2626;
  color: #fca5a5;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--ember);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 18px 28px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s var(--ease);
}
.form-submit:hover:not(:disabled) { background: var(--ember-soft); }
.form-submit:disabled { opacity: 0.5; cursor: wait; }
.form-submit::after {
  content: "→";
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
}

.form-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--paper-mute);
  line-height: 1.6;
}
.form-note a { color: var(--paper-dim); text-decoration: underline; text-underline-offset: 3px; }
.form-note a:hover { color: var(--ember); }

/* ------------------------------------------------------------------------
   Legal pages (Privacy, Terms)
   ------------------------------------------------------------------------ */

.legal {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(40px, 5vw, 80px);
  padding-top: clamp(40px, 6vh, 72px);
  padding-bottom: clamp(64px, 10vh, 120px);
}
.legal-toc {
  position: sticky;
  top: 100px;
  align-self: start;
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}
.legal-toc .caption { display: block; margin-bottom: 16px; }
.legal-toc ol { list-style: none; padding: 0; counter-reset: toc; }
.legal-toc li { counter-increment: toc; padding: 4px 0; font-size: 0.88rem; }
.legal-toc li::before {
  content: counter(toc, decimal-leading-zero) " ";
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--paper-mute);
  margin-right: 8px;
}
.legal-toc a { color: var(--paper-dim); }
.legal-toc a:hover { color: var(--ember); }

.legal-content { max-width: 720px; }
.legal-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--paper-mute);
  padding: 14px 16px;
  border: 1px solid var(--rule);
  background: var(--ink-2);
  margin-bottom: 48px;
}
.legal-content h2 {
  font-size: 1.6rem;
  margin-top: 56px;
  margin-bottom: 16px;
  font-variation-settings: "opsz" 36;
  font-weight: 400;
}
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  margin-top: 24px;
  margin-bottom: 10px;
  color: var(--paper);
  letter-spacing: 0;
}
.legal-content p, .legal-content li {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--paper);
}
.legal-content p { margin-bottom: 16px; max-width: 65ch; }
.legal-content ul, .legal-content ol { padding-left: 22px; margin-bottom: 16px; }
.legal-content li { margin-bottom: 8px; }
.legal-content a { color: var(--ember); text-decoration: underline; text-underline-offset: 3px; }
.legal-content strong { color: var(--paper); }

/* ------------------------------------------------------------------------
   FAQ
   ------------------------------------------------------------------------ */

.faq { display: flex; flex-direction: column; }
.faq-item {
  padding: 28px 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 80px 1fr 2fr;
  gap: clamp(20px, 3vw, 56px);
  align-items: start;
}
.faq-item:last-child { border-bottom: 1px solid var(--rule); }
.faq-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--paper-mute);
  padding-top: 4px;
}
.faq-item h4 {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
  font-variation-settings: "opsz" 36;
  max-width: 28ch;
}
.faq-item p {
  font-size: 0.98rem;
  color: var(--paper-dim);
  line-height: 1.6;
  max-width: 60ch;
}
.faq-item p a { color: var(--ember); text-decoration: underline; text-underline-offset: 3px; }

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

.site-footer {
  background: var(--ink);
  border-top: 1px solid var(--rule);
  padding-top: 88px;
  padding-bottom: 40px;
  position: relative;
}

.footer-mark {
  font-family: var(--font-display);
  font-weight: 360;
  font-size: clamp(4rem, 14vw, 14rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--paper);
  margin-bottom: 64px;
  font-variation-settings: "opsz" 144;
  word-break: break-word;
}
.footer-mark em {
  font-style: italic;
  color: var(--ember);
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  padding-top: 40px;
  padding-bottom: 48px;
  border-top: 1px solid var(--rule);
}
.footer-tagline { max-width: 30ch; }
.footer-tagline p {
  font-size: 0.95rem;
  color: var(--paper-dim);
  line-height: 1.55;
}
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 20px;
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { padding: 5px 0; }
.footer-col a { font-size: 0.95rem; color: var(--paper-dim); }
.footer-col a:hover { color: var(--ember); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--paper-mute);
  text-transform: uppercase;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: var(--paper-mute); }
.footer-bottom-links a:hover { color: var(--ember); }

/* ------------------------------------------------------------------------
   Entrance animations
   ------------------------------------------------------------------------ */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  animation: reveal 0.9s var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 80ms);
}
@keyframes reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .marquee-track { animation: none !important; }
  .reveal { opacity: 1; transform: none; }
  * { transition: none !important; }
}

/* ------------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------------ */

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-side { padding-bottom: 0; }
  .section-header { grid-template-columns: 1fr; gap: 24px; }
  .editorial { grid-template-columns: 1fr; gap: 24px; }
  .story-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 56px; }
  .practice { grid-template-columns: 56px 1fr 1fr; }
  .practice-price { grid-column: 2 / span 2; text-align: left; padding-top: 0; border-top: 1px dashed var(--rule); padding-top: 16px; }
  .legal { grid-template-columns: 1fr; }
  .legal-toc { position: static; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--rule);
    padding: 16px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 14px var(--gutter);
    border-bottom: 1px solid var(--rule-soft);
  }
  .menu-toggle { display: block; }
  .nav-cta { display: none; }
  .hero-meta { grid-template-columns: 1fr; gap: 8px; text-align: left; }
  .hero-meta-center, .hero-meta-right { justify-self: start; }
  .cards-3, .cards-2, .cases, .testimonials-2, .team-grid { grid-template-columns: 1fr; }
  .cards-3 .cell, .cards-2 .cell { border-right: 0 !important; border-left: 0 !important; }
  .case, .testimonial, .team-member { border-right: 0 !important; }
  .case-metrics { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .practice { grid-template-columns: 1fr; gap: 16px; }
  .practice-price { grid-column: auto; }
  .form-row { grid-template-columns: 1fr; }
  .faq-item { grid-template-columns: 1fr; gap: 12px; }
  .factsheet-row { grid-template-columns: 1fr; gap: 4px; }
  .factsheet-row .value { text-align: left; }
}

@media (max-width: 480px) {
  :root { --gutter: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}