/* ──────────────────────────────────────────────────────────────────────────
   Home page styles
   ────────────────────────────────────────────────────────────────────────── */

/* Nav — translucent at top, opaque on scroll */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--section-pad-x);
  z-index: 300;
  transition: background var(--transition-base),
              border-color var(--transition-base);
  border-bottom: 1px solid transparent;
}

nav.scrolled {
  background: rgba(251, 250, 247, .92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--ink-08);
}

/* ──────────────────────────────────────────────────────────────────────────
   Hero
   ────────────────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  padding: calc(var(--nav-h) + var(--space-xl)) var(--section-pad-x) 0;
  position: relative;
  overflow: hidden;
  background: var(--cream);
}

.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: .55;
}

.hero-content {
  position: relative; z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  align-self: center;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-xl);
  align-items: end;
}

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-60);
  margin-bottom: var(--space-md);
}

.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '';
  display: block;
  width: 18px; height: 1.5px;
  background: var(--ink-44);
}

.hero-h1 {
  font-family: var(--font-serif);
  /* Tuned so "Quality decisions." fits on one line from ~320px up to the desktop cap */
  font-size: clamp(32px, 6.5vw, 92px);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -.025em;
  color: var(--ink);
  margin: 0;
  white-space: nowrap;
}

.hero-h1 em {
  font-style: italic;
  font-weight: 500;
  color: var(--ink-60);
}

.hero-aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  padding-bottom: 8px;
}

.hero-sub {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-l);
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink-60);
  margin: 0;
  text-wrap: pretty;
}

.hero-actions {
  display: flex; align-items: center; justify-content: flex-start; gap: 12px;
  flex-wrap: wrap;
}

.hero-bar {
  position: relative; z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  border-top: 1px solid var(--ink-12);
  display: grid; grid-template-columns: repeat(4, 1fr);
  align-items: stretch;
  overflow: hidden;
}

.hero-bar-item {
  padding: var(--space-md) var(--space-md);
  border-right: 1px solid var(--ink-08);
  transition: background var(--transition-fast);
}

.hero-bar-item:last-child { border-right: none; }

.hero-bar-item:hover { background: var(--ink-04); }

.hero-bar-label {
  font-family: var(--font-sans);
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-44);
  margin-bottom: 6px;
}

.hero-bar-value {
  font-family: var(--font-serif);
  font-size: var(--text-display-xs);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.3;
}

/* ──────────────────────────────────────────────────────────────────────────
   Marquee (kept as static band; animation removed previously)
   ────────────────────────────────────────────────────────────────────────── */
.marquee {
  background: var(--dark-bg);
  padding: 22px 0;
  overflow: hidden;
  border-top: 1px solid rgba(var(--cream-on-dark-rgb), .04);
}

.marquee-track {
  display: flex; flex-wrap: wrap;
  justify-content: center; align-items: center;
  row-gap: 8px;
}

.marquee-item {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 0 28px;
  font-family: var(--font-sans);
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  color: rgba(var(--cream-on-dark-rgb), .35);
}

.marquee-sep {
  width: 3px; height: 3px; border-radius: 50%;
  background: rgba(var(--cream-on-dark-rgb), .35);
  flex-shrink: 0;
}

/* ──────────────────────────────────────────────────────────────────────────
   Sections (shared structure for about/services/approach/specialties/why/contact)
   ────────────────────────────────────────────────────────────────────────── */
.section {
  padding: var(--space-2xl) var(--section-pad-x);
}

.section-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.label {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-44);
  margin-bottom: var(--space-md);
}

.label::before {
  content: '';
  display: block; width: 18px; height: 1.5px;
  background: var(--ink);
}

.headline {
  font-family: var(--font-serif);
  font-size: var(--text-display-l);
  font-weight: 400; line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--ink);
  text-wrap: balance;
}

.headline em { font-style: italic; color: var(--ink-60); font-weight: 400; }

/* ── About ─────────────────────────────────────────────────────────────── */
.about-section { background: var(--cream-2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
  margin-top: var(--space-lg);
}

.about-copy p {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-l);
  font-weight: 300;
  line-height: 1.75;
  color: var(--ink-60);
  margin-bottom: var(--space-sm);
}

.about-copy p strong { color: var(--ink); font-weight: 500; }

.step-list { display: flex; flex-direction: column; gap: 4px; }

.step-card {
  background: var(--cream);
  border: 1px solid var(--ink-08);
  border-left: 3px solid var(--ink);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  transition: transform var(--transition-fast),
              border-color var(--transition-fast);
  cursor: default;
}

.step-card:hover { transform: translateX(4px); }

/* Multi-color accent per step (minimalist: just the left border) */
.step-list > :nth-child(1) { border-left-color: var(--rust); }
.step-list > :nth-child(2) { border-left-color: var(--green); }
.step-list > :nth-child(3) { border-left-color: var(--blue); }
.step-list > :nth-child(4) { border-left-color: var(--peach); }

.step-num {
  font-family: var(--font-sans);
  font-size: var(--text-micro);
  font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-44);
  margin-bottom: 6px;
}

.step-card h3 {
  font-family: var(--font-serif);
  font-size: var(--text-display-xs);
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--ink);
}

.step-card p {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-s);
  font-weight: 300;
  color: var(--ink-60);
  line-height: 1.65;
}

/* ── Services ──────────────────────────────────────────────────────────── */
.services-section { background: var(--cream); }

.svc-intro {
  display: grid; grid-template-columns: 5fr 7fr;
  gap: var(--space-xl);
  align-items: end;
  margin-bottom: var(--space-lg);
}

.svc-lead {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-m);
  font-weight: 300;
  line-height: 1.75;
  color: var(--ink-60);
}

.svc-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ink-12);
  border: 1px solid var(--ink-12);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.svc-card {
  position: relative;
  background: var(--cream);
  padding: var(--space-md) var(--space-md);
  transition: background var(--transition-fast);
}

/* Colored kicker bar — top-left, minimalist accent per card */
.svc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 32px; height: 2px;
  background: var(--ink); /* fallback; overridden by nth-child */
  transition: background var(--transition-fast),
              width var(--transition-fast);
}

.svc-card:hover { background: var(--cream-2); }
.svc-card:hover::before { width: 48px; }

.svc-grid > :nth-child(1)::before { background: var(--rust); }
.svc-grid > :nth-child(2)::before { background: var(--green); }
.svc-grid > :nth-child(3)::before { background: var(--blue); }
.svc-grid > :nth-child(4)::before { background: var(--peach); }
.svc-grid > :nth-child(5)::before { background: var(--blue-pale); }
.svc-grid > :nth-child(6)::before { background: var(--rust); }

.svc-icon {
  width: 40px; height: 40px;
  margin-bottom: var(--space-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink);
  border: 1px solid var(--ink-12);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast),
              color var(--transition-fast);
}

.svc-card:hover .svc-icon {
  border-color: var(--ink);
  color: var(--ink);
}

.svc-card h3 {
  font-family: var(--font-serif);
  font-size: var(--text-display-s);
  font-weight: 500;
  margin-bottom: 10px;
  line-height: 1.25;
  color: var(--ink);
}

.svc-card p {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-s);
  font-weight: 300;
  color: var(--ink-60);
  line-height: 1.7;
}

/* ── Approach ──────────────────────────────────────────────────────────── */
.approach-section {
  background: var(--dark-bg);
  color: var(--cream-on-dark);
}

.approach-intro {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: end;
  margin-bottom: var(--space-xl);
}

.approach-section .label {
  color: rgba(var(--cream-on-dark-rgb), .35);
}

.approach-section .headline {
  color: var(--cream-on-dark);
}

.approach-section .headline em {
  color: rgba(var(--cream-on-dark-rgb), .55);
}

.approach-lead {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-m);
  font-weight: 300;
  line-height: 1.75;
  color: rgba(var(--cream-on-dark-rgb), .55);
}

.approach-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(var(--cream-on-dark-rgb), .08);
}

.approach-step {
  padding: var(--space-lg) var(--space-sm) var(--space-lg) 0;
  border-right: 1px solid rgba(var(--cream-on-dark-rgb), .08);
}

.approach-step:last-child { border-right: none; }
.approach-step:not(:first-child) { padding-left: var(--space-sm); }

.approach-step-n {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 300;
  line-height: 1;
  color: rgba(var(--cream-on-dark-rgb), .4);
  margin-bottom: var(--space-sm);
  display: block;
}

.approach-step-bar {
  width: 24px; height: 2px; border-radius: 1px;
  background: var(--ink);
  margin-bottom: var(--space-sm);
}

.approach-steps > :nth-child(1) .approach-step-bar { background: var(--rust); }
.approach-steps > :nth-child(2) .approach-step-bar { background: var(--green); }
.approach-steps > :nth-child(3) .approach-step-bar { background: var(--blue); }
.approach-steps > :nth-child(4) .approach-step-bar { background: var(--peach); }

.approach-step h3 {
  font-family: var(--font-serif);
  font-size: var(--text-display-s);
  font-weight: 500;
  color: var(--cream-on-dark);
  margin-bottom: 10px;
}

.approach-step p {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-s);
  font-weight: 300;
  color: rgba(var(--cream-on-dark-rgb), .5);
  line-height: 1.75;
}

/* ── Specialties ───────────────────────────────────────────────────────── */
.spec-section { background: var(--cream-3); }

.spec-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: var(--space-lg);
}

.spec-card {
  background: var(--cream-2);
  border: 1px solid var(--ink-12);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: transform var(--transition-fast),
              border-color var(--transition-fast),
              background var(--transition-fast);
}

.spec-card:hover {
  transform: translateY(-2px);
  border-color: var(--ink-24);
  background: #fff;
}

.spec-pip {
  width: 8px; height: 8px; border-radius: 50%;
  display: block; margin-bottom: var(--space-sm);
  background: var(--ink);
}

.spec-grid > :nth-child(1) .spec-pip { background: var(--rust); }
.spec-grid > :nth-child(2) .spec-pip { background: var(--blue); }
.spec-grid > :nth-child(3) .spec-pip { background: var(--peach); }
.spec-grid > :nth-child(4) .spec-pip { background: var(--green); }

.spec-card h3 {
  font-family: var(--font-serif);
  font-size: var(--text-display-s);
  font-weight: 500;
  margin-bottom: 12px;
  line-height: 1.25;
  color: var(--ink);
}

.spec-card p {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-s);
  font-weight: 300;
  color: var(--ink-60);
  line-height: 1.75;
}

/* ── Why SVVVL ─────────────────────────────────────────────────────────── */
.why-section { background: var(--dark-bg); color: var(--cream-on-dark); }

.why-section .label { color: rgba(var(--cream-on-dark-rgb), .35); }
.why-section .headline { color: var(--cream-on-dark); }
.why-section .headline em { color: rgba(var(--cream-on-dark-rgb), .55); }

.why-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(var(--cream-on-dark-rgb), .08);
  border: 1px solid rgba(var(--cream-on-dark-rgb), .08);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: var(--space-lg);
}

.why-card {
  padding: var(--space-md);
  background: var(--dark-bg);
  transition: background var(--transition-fast);
}

.why-card:hover { background: rgba(var(--cream-on-dark-rgb), .04); }

.why-icon {
  width: 40px; height: 40px;
  border: 1px solid rgba(var(--cream-on-dark-rgb), .2);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--cream-on-dark);
  margin-bottom: var(--space-sm);
  transition: border-color var(--transition-fast),
              color var(--transition-fast);
}

.why-card:hover .why-icon {
  border-color: var(--cream-on-dark);
  color: var(--cream-on-dark);
}

.why-card h4 {
  font-family: var(--font-serif);
  font-size: var(--text-display-s);
  font-weight: 500;
  color: var(--cream-on-dark);
  margin-bottom: 10px;
}

.why-card p {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-s);
  font-weight: 300;
  color: rgba(var(--cream-on-dark-rgb), .5);
  line-height: 1.75;
}

/* ── Featured Research ─────────────────────────────────────────────────── */
.featured-research-section {
  background: var(--cream);
  padding-top: var(--space-lg);
}

.featured-research-section .label { margin-bottom: var(--space-md); }

.featured-research-card {
  position: relative;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 0;
  align-items: stretch;
  margin-top: var(--space-md);
  background: var(--dark-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  color: inherit;
  transition: transform var(--transition-fast);
}

.featured-research-card:hover { transform: translateY(-2px); }

.featured-research-link {
  color: inherit;
  text-decoration: none;
}
.featured-research-link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
}

.featured-research-body { padding: var(--space-md); position: relative; }

.featured-research-meta {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 12px;
  margin-bottom: var(--space-sm);
}

.featured-research-date {
  font-family: var(--font-sans);
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: rgba(var(--cream-on-dark-rgb), .35);
}

.featured-research-title {
  font-family: var(--font-serif);
  font-size: var(--text-display-l);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--cream-on-dark);
  margin-bottom: var(--space-sm);
  text-wrap: balance;
  transition: color var(--transition-fast);
}

.featured-research-subtitle {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-l);
  font-weight: 300;
  font-style: italic;
  line-height: 1.45;
  color: rgba(var(--cream-on-dark-rgb), .55);
  margin-bottom: var(--space-md);
  text-wrap: balance;
}

.featured-research-excerpt {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-s);
  font-weight: 300;
  line-height: 1.7;
  color: rgba(var(--cream-on-dark-rgb), .55);
  margin-bottom: var(--space-md);
}

.featured-research-actions {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* Buttons inside the dark featured card — invert against the dark surface */
.featured-research-card .btn-primary {
  background: var(--cream-on-dark);
  color: var(--ink);
}
.featured-research-card .btn-primary:hover { background: #fff; }

.featured-research-card .btn-ghost {
  color: var(--cream-on-dark);
  border-color: rgba(var(--cream-on-dark-rgb), .2);
}
.featured-research-card .btn-ghost:hover {
  border-color: var(--cream-on-dark);
  background: rgba(var(--cream-on-dark-rgb), .04);
}

.featured-research-aside {
  position: relative;
  background: var(--dark-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 320px;
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-md);
}

.featured-research-aside::after {
  content: '';
  position: absolute; inset: 0;
  opacity: .12;
  background-image:
    linear-gradient(rgba(var(--blue-rgb), .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--blue-rgb), .5) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.featured-research-aside-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  align-items: center; gap: var(--space-sm);
  color: var(--cream-on-dark);
}

.featured-research-aside-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-sans);
  font-size: var(--text-micro);
  font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--blue-pale);
  background: rgba(var(--blue-rgb), .2);
  padding: 6px 12px; border-radius: var(--radius-pill);
}

.featured-research-aside-chart {
  width: 200px; opacity: .85;
}

.featured-research-aside-caption {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: .14em; text-transform: uppercase;
  color: rgba(var(--cream-on-dark-rgb), .35);
  text-align: center;
}

/* ── CTA band ──────────────────────────────────────────────────────────── */
.cta-band {
  background: var(--ink);
  padding: var(--space-xl) var(--section-pad-x);
}

.cta-band-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex; align-items: center;
  justify-content: space-between; gap: var(--space-lg);
}

.cta-band h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 50px);
  font-weight: 400; line-height: 1.15;
  color: #fff;
  max-width: 600px;
  text-wrap: balance;
}

.cta-band h2 em { font-style: italic; font-weight: 300; opacity: .85; }

.btn-cta-white {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--cream-on-dark); color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--text-cta); font-weight: 700;
  letter-spacing: .04em;
  padding: 14px 28px; border-radius: var(--radius-pill);
  text-decoration: none; white-space: nowrap;
  transition: background var(--transition-fast),
              transform var(--transition-fast);
}
.btn-cta-white:hover { background: #fff; transform: translateY(-1px); }
.btn-cta-white svg { width: 14px; height: 14px; }

/* Hero CTAs (keep .btn aliasing to .u-btn for legacy markup) */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 48px; padding: 0 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: var(--text-cta); font-weight: 600;
  letter-spacing: .02em; text-decoration: none;
  transition: background var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              transform var(--transition-fast);
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 14px; height: 14px; flex-shrink: 0; }

.btn-primary { background: var(--ink); color: var(--cream-on-dark); }
.btn-primary:hover { background: var(--ink-80); }

.btn-ghost {
  background: transparent; color: var(--ink);
  border: 1px solid var(--ink-12);
}
.btn-ghost:hover { border-color: var(--ink); background: var(--ink-04); }

/* ── Contact ───────────────────────────────────────────────────────────── */
.contact-section { background: var(--cream); }

.contact-grid {
  display: grid; grid-template-columns: 5fr 7fr;
  gap: var(--space-xl);
  align-items: start;
  margin-top: var(--space-lg);
}

.contact-lead {
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-l);
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink-60);
  margin-bottom: var(--space-md);
}

.contact-detail {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-s);
  font-weight: 300;
  color: var(--ink-60);
  margin-bottom: 14px;
}

.contact-detail-pip {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink);
  flex-shrink: 0;
}

.contact-detail:nth-of-type(1) .contact-detail-pip { background: var(--rust); }
.contact-detail:nth-of-type(2) .contact-detail-pip { background: var(--green); }
.contact-detail:nth-of-type(3) .contact-detail-pip { background: var(--blue); }
.contact-detail:nth-of-type(4) .contact-detail-pip { background: var(--peach); }

.form-wrap {
  background: var(--cream-2);
  border: 1px solid var(--ink-12);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-micro);
  font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-44);
  margin-bottom: 8px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--cream);
  border: 1px solid var(--ink-12);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-serif);
  font-size: var(--text-paragraph-s);
  font-weight: 400;
  color: var(--ink);
  outline: none;
  transition: border-color var(--transition-fast);
  appearance: none;
}

.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--ink); }

.field textarea { resize: vertical; min-height: 110px; }

.form-btn {
  width: 100%;
  background: var(--ink); color: var(--cream-on-dark);
  border: none; border-radius: var(--radius-pill);
  padding: 16px 24px;
  font-family: var(--font-sans);
  font-size: var(--text-cta);
  font-weight: 700;
  letter-spacing: .02em;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: background var(--transition-fast),
              color var(--transition-fast),
              transform var(--transition-fast);
  margin-top: 8px;
}

.form-btn:hover { background: var(--ink-80); transform: translateY(-1px); }

.form-btn:disabled { opacity: .6; cursor: default; transform: none; }

.form-btn svg { width: 14px; height: 14px; }

/* ──────────────────────────────────────────────────────────────────────────
   Mobile
   ────────────────────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero { padding: calc(var(--nav-h) + var(--space-lg)) var(--section-pad-x) 0; }
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    align-items: start;
  }
  .hero-aside { padding-bottom: 0; }
  .hero-bar { grid-template-columns: 1fr; }
  .hero-bar-item {
    border-right: none;
    border-bottom: 1px solid var(--ink-08);
  }
  .hero-bar-item:last-child { border-bottom: none; }

  .about-grid,
  .svc-intro,
  .approach-intro,
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-md); }

  /* Featured card stays flush (gap 0) so body and aside form one dark block */
  .featured-research-card { grid-template-columns: 1fr; gap: 0; }

  .featured-research-aside { min-height: 200px; }

  .svc-grid,
  .approach-steps,
  .why-grid,
  .spec-grid { grid-template-columns: 1fr; }

  .footer-top { grid-template-columns: 1fr; gap: var(--space-md); }
  .footer-cols { flex-direction: column; gap: var(--space-sm); justify-content: flex-start; }

  .cta-band-inner { flex-direction: column; align-items: flex-start; }

  .footer-bottom { flex-direction: column; gap: 14px; text-align: center; }
}