/* ============================================================
   XRDA3 — Design System
   Light theme · Red brand (#bf2c31 / #d63a3f / #e85a5e — exact logo palette)
   Matched to xrda3.com brand identity
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Surfaces — light theme */
  --color-bg: #ffffff;
  --color-bg-elevated: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-2: #f8fafc;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  /* Text */
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-dim: #94a3b8;

  /* Brand — exact logo palette */
  --color-primary: #bf2c31;          /* logo red */
  --color-primary-2: #d63a3f;        /* lighter complement */
  --color-accent: #e85a5e;           /* rose-tinted accent for gradient */

  --gradient-brand: linear-gradient(135deg, #bf2c31 0%, #d63a3f 50%, #e85a5e 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(191, 44, 49, 0.08) 0%, rgba(232, 90, 94, 0.08) 100%);
  --gradient-mesh: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(191, 44, 49, 0.07), transparent 60%),
                   radial-gradient(ellipse 60% 50% at 90% 30%, rgba(232, 90, 94, 0.06), transparent 60%),
                   radial-gradient(ellipse 70% 50% at 10% 60%, rgba(214, 58, 63, 0.05), transparent 60%);

  /* Typography */
  --font-display: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.3rem + 0.8vw, 2rem);
  --text-3xl: clamp(2rem, 1.6rem + 1.6vw, 2.75rem);
  --text-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --text-hero: clamp(2.75rem, 2rem + 4vw, 5.5rem);

  /* Spacing */
  --space-section: clamp(4rem, 3rem + 4vw, 8rem);
  --container-max: 1280px;
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);

  /* Effects */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-glow: 0 10px 40px rgba(191, 44, 49, 0.15);
  --shadow-card: 0 1px 0 rgba(15, 23, 42, 0.04) inset, 0 6px 24px -10px rgba(15, 23, 42, 0.1);

  --duration-fast: 150ms;
  --duration: 300ms;
  --duration-slow: 600ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

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

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  background-image: var(--gradient-mesh);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; transition: color var(--duration-fast) ease; }
ul, ol { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 { font-size: var(--text-hero); font-weight: 700; letter-spacing: -0.035em; }
h2 { font-size: var(--text-4xl); letter-spacing: -0.03em; }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }

p { color: var(--color-text-muted); }

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(191, 44, 49, 0.06);
  border: 1px solid rgba(191, 44, 49, 0.18);
  border-radius: var(--radius-full);
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 10px rgba(191, 44, 49, 0.5);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section { padding: var(--space-section) 0; }
.section-tight { padding: clamp(3rem, 2rem + 3vw, 5rem) 0; }

.section-header {
  max-width: 720px;
  margin: 0 auto clamp(2.5rem, 2rem + 2vw, 4rem);
  text-align: center;
}

.section-header .eyebrow { margin-bottom: 1.25rem; }
.section-header h2 { margin-bottom: 1rem; }
.section-header p { font-size: var(--text-lg); }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.brand-logo {
  display: block;
  height: 40px;
  width: auto;
  max-width: 180px;
}

.site-footer .brand-logo { height: 44px; }

@media (max-width: 480px) {
  .brand-logo { height: 36px; }
}

/* Legacy .brand-mark — kept for backward compat, no longer used */
.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--gradient-brand);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  color: white;
  box-shadow: 0 4px 14px rgba(191, 44, 49, 0.3);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu a {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.5rem 0;
}

.nav-menu a:not(.btn):hover, .nav-menu a.active:not(.btn) { color: var(--color-text); }
/* Lock the primary CTA button text to white in every state — never inherit nav-link colour */
.nav-menu .nav-cta a.btn-primary,
.nav-menu .nav-cta a.btn-primary:hover,
.nav-menu .nav-cta a.btn-primary:focus,
.nav-menu .nav-cta a.btn-primary:active,
.nav-menu .nav-cta a.btn-primary:visited { color: #ffffff; }

.nav-menu a.active:not(.btn)::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 18px;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
  transform: translateX(-50%);
}

.nav-cta { display: flex; align-items: center; gap: 0.75rem; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  position: relative;
  transition: all var(--duration) var(--ease-out-expo);
}
.nav-toggle span::before, .nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: all var(--duration) var(--ease-out-expo);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: transform var(--duration) var(--ease-out-expo),
              background var(--duration) ease,
              border-color var(--duration) ease,
              box-shadow var(--duration) ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  color: white;
  background: var(--color-primary);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 6px 16px -8px rgba(191, 44, 49, 0.45);
}
.btn-primary:hover {
  background: var(--color-primary-2);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 10px 22px -10px rgba(191, 44, 49, 0.55);
}
.btn-primary:active {
  background: #a8262b;
  transform: translateY(0);
}

/* Compact nav CTA — sits cleanly in the header */
.nav-cta .btn-primary {
  padding: 0.6rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.btn-secondary {
  color: var(--color-text);
  background: #ffffff;
  border-color: var(--color-border-strong);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
}
.btn-secondary:hover { background: var(--color-surface-2); border-color: var(--color-text-dim); }

.btn-ghost {
  color: var(--color-text-muted);
  padding-left: 0;
  padding-right: 0;
}
.btn-ghost:hover { color: var(--color-text); }

.btn-arrow svg { transition: transform var(--duration) var(--ease-out-expo); }
.btn-arrow:hover svg { transform: translateX(4px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(4rem, 3rem + 5vw, 9rem) 0 var(--space-section);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 30%, rgba(191, 44, 49, 0.07), transparent 60%),
    radial-gradient(ellipse 80% 60% at 80% 80%, rgba(232, 90, 94, 0.05), transparent 60%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black, transparent);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}

.hero h1 { margin: 1.25rem 0 1.5rem; }
.hero p.lead {
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.3rem);
  max-width: 680px;
  margin: 0 auto 2.25rem;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem 2rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.hero-meta-item {
  text-align: center;
}
.hero-meta-item .num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-meta-item .label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* ---------- Cards & Surfaces ---------- */
.card {
  position: relative;
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform var(--duration) var(--ease-out-expo),
              border-color var(--duration) ease,
              box-shadow var(--duration) ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(191, 44, 49, 0.25);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04) inset, 0 18px 40px -16px rgba(191, 44, 49, 0.18);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--gradient-brand-soft);
  border: 1px solid rgba(191, 44, 49, 0.18);
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
}

.card h4 { font-size: var(--text-xl); margin-bottom: 0.6rem; }
.card p { font-size: var(--text-sm); line-height: 1.6; }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}
.card-link svg { transition: transform var(--duration) var(--ease-out-expo); }
.card-link:hover svg { transform: translateX(3px); }

/* ---------- Service grid ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.service-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 1.5rem;
}

@media (max-width: 720px) {
  .service-grid-2 { grid-template-columns: 1fr; }
}

.service-card-large {
  padding: 2.25rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration) var(--ease-out-expo),
              box-shadow var(--duration) ease,
              border-color var(--duration) ease;
}

.service-card-large::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-brand-soft);
  opacity: 0;
  transition: opacity var(--duration) ease;
  pointer-events: none;
}

.service-card-large:hover {
  transform: translateY(-3px);
  border-color: rgba(191, 44, 49, 0.25);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04) inset, 0 18px 40px -16px rgba(191, 44, 49, 0.18);
}
.service-card-large:hover::before { opacity: 1; }

.service-card-large > * { position: relative; }

.service-card-large h3 { font-size: var(--text-2xl); margin: 1rem 0 0.75rem; }
.service-card-large p { margin-bottom: 1.5rem; }

.service-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.service-tag {
  font-size: var(--text-xs);
  padding: 0.3rem 0.7rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

/* ---------- Feature row (icon + text columns) ---------- */
.feature-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.feature-item .feature-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.feature-item h4 { margin-bottom: 0.5rem; }
.feature-item p { font-size: var(--text-sm); }

/* ---------- Split section (text + visual) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 1.5rem + 2vw, 5rem);
  align-items: center;
}
@media (max-width: 880px) {
  .split { grid-template-columns: 1fr; }
}

.split h2 { margin-bottom: 1.25rem; }
.split p { margin-bottom: 1.25rem; }

.split-list { display: grid; gap: 0.85rem; margin-top: 1.5rem; }
.split-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.split-list li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--gradient-brand);
  background-image: var(--gradient-brand), url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E");
  background-size: cover, 60% 60%;
  background-repeat: no-repeat;
  background-position: center, center;
}

.visual-card {
  position: relative;
  aspect-ratio: 5 / 4;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(191, 44, 49, 0.18), transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(232, 90, 94, 0.16), transparent 60%),
    radial-gradient(ellipse at 50% 50%, rgba(214, 58, 63, 0.1), transparent 60%),
    #fff7f7;
  border: 1px solid var(--color-border);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-card);
}

.visual-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
}

.visual-card-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.5rem;
}

/* ---------- Media card (image with brand overlay) ---------- */
.media-card {
  position: relative;
  aspect-ratio: 5 / 4;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  background: var(--color-surface-2);
}
.media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 800ms var(--ease-out-expo);
}
.media-card:hover img { transform: scale(1.04); }
.media-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(191, 44, 49, 0.18) 0%, transparent 45%, rgba(232, 90, 94, 0.12) 100%),
    linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, 0.35) 100%);
  pointer-events: none;
  transition: opacity var(--duration) ease;
}
.media-card .media-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 1;
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.media-card .media-caption {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 1;
  color: white;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}
.media-caption i {
  margin-right: 0.35rem;
  opacity: 0.95;
}

/* Real-brand SVG icons via Simple Icons CDN — sized to match parent text exactly (1em) */
.brand-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  flex-shrink: 0;
  vertical-align: -0.12em;
  margin-right: 0.4rem;
  /* Color comes from the URL (?/ffffff or /bf2c31), no CSS filter needed */
}
/* Bigger inside partner tiles (where icons are the focal point, not inline with text) */
.partner img.brand-icon {
  display: block;
  width: 32px;
  height: 32px;
  margin: 0 auto 0.5rem;
  vertical-align: baseline;
}

/* Case-study tech-stack inline icons */
.case-stack-item span i {
  font-size: 0.9em;
  color: var(--color-primary);
  margin-right: 0.35rem;
  opacity: 0.85;
}
.case-stack-item span img.brand-icon {
  filter: invert(22%) sepia(67%) saturate(2547%) hue-rotate(341deg) brightness(95%) contrast(91%);
  opacity: 0.85;
}

/* Compact thumbnail for cards */
.thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: -0.5rem -0.5rem 1.25rem;
  background: var(--color-surface-2);
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 600ms var(--ease-out-expo); }
.thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(191, 44, 49, 0.12), transparent 60%);
  pointer-events: none;
}
.service-card-large:hover .thumb img,
.card:hover .thumb img { transform: scale(1.05); }

/* Replace gradient portfolio thumbs with image variant */
.portfolio-card img.portfolio-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--ease-out-expo);
}
.portfolio-card:hover img.portfolio-img { transform: scale(1.06); }
.portfolio-card .portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(15, 23, 42, 0.85) 100%);
  pointer-events: none;
}
.portfolio-card .portfolio-tint {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(191, 44, 49, 0.18), transparent 50%);
  mix-blend-mode: multiply;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration) ease;
}
.portfolio-card:hover .portfolio-tint { opacity: 1; }

/* ---------- Stats / Logos ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  padding: 2.5rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}
.stat .num {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat .label { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: 0.4rem; }

/* ---------- CTA section ---------- */
.cta-block {
  position: relative;
  padding: clamp(3rem, 2rem + 3vw, 5rem);
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(191, 44, 49, 0.1), transparent 60%),
    radial-gradient(ellipse 60% 80% at 50% 100%, rgba(232, 90, 94, 0.08), transparent 60%);
  pointer-events: none;
}

.cta-block > * { position: relative; }
.cta-block h2 { margin-bottom: 1rem; }
.cta-block p { font-size: var(--text-lg); max-width: 560px; margin: 0 auto 2rem; }
.cta-block-actions { display: flex; gap: 0.85rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: var(--space-section);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand p { font-size: var(--text-sm); margin: 1rem 0 1rem; max-width: 320px; }
.footer-offices {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-text-dim);
  margin-bottom: 1.5rem;
  max-width: 320px;
  line-height: 1.7;
}
.footer-offices strong {
  color: var(--color-primary);
  font-weight: 600;
  display: block;
  margin-bottom: 0.25rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-col h6 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 1rem;
}
.footer-col ul { display: grid; gap: 0.6rem; }
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-col a:hover { color: var(--color-primary); }

.footer-social { display: flex; gap: 0.6rem; }
.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--color-text-muted);
  background: #ffffff;
  transition: all var(--duration) ease;
}
.footer-social a:hover {
  color: var(--color-primary);
  border-color: rgba(191, 44, 49, 0.35);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- Page header (sub-pages) ---------- */
.page-header {
  position: relative;
  padding: clamp(4rem, 3rem + 4vw, 7rem) 0 clamp(3rem, 2rem + 3vw, 5rem);
  text-align: center;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 50% 0%, rgba(191, 44, 49, 0.08), transparent 60%);
  pointer-events: none;
}
.page-header > * { position: relative; }
.page-header h1 { font-size: var(--text-4xl); margin: 1rem 0 1rem; }
.page-header p { max-width: 640px; margin: 0 auto; font-size: var(--text-lg); }

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.form-field { display: grid; gap: 0.5rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.form-field input,
.form-field textarea,
.form-field select {
  padding: 0.85rem 1rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: border-color var(--duration) ease, box-shadow var(--duration) ease;
}
.form-field textarea { min-height: 140px; resize: vertical; font-family: inherit; }
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(191, 44, 49, 0.12);
}

/* ---------- Timeline (company history) ---------- */
.timeline {
  display: grid;
  gap: 0;
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  opacity: 0.35;
}
.timeline-item {
  position: relative;
  padding: 0 0 2rem 3rem;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gradient-brand);
  box-shadow: 0 0 0 4px #ffffff, 0 0 0 5px rgba(191, 44, 49, 0.25);
}
.timeline-year {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}
.timeline-item h5 { font-size: var(--text-lg); margin-bottom: 0.4rem; }
.timeline-item p { font-size: var(--text-sm); margin: 0; }

/* ---------- Offices grid ---------- */
.offices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.office-card {
  position: relative;
  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform var(--duration) var(--ease-out-expo),
              border-color var(--duration) ease,
              box-shadow var(--duration) ease;
}
.office-card:hover {
  transform: translateY(-3px);
  border-color: rgba(191, 44, 49, 0.25);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04) inset, 0 18px 40px -16px rgba(191, 44, 49, 0.18);
}
.office-card.is-hq::before {
  content: 'HQ';
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: white;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
}
.office-flag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.office-card h5 {
  font-size: var(--text-xl);
  margin-bottom: 0.4rem;
}
.office-card p {
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}
.office-card .office-region {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  letter-spacing: 0.04em;
}

/* ---------- Pillars grid (technology pillars) ---------- */
.pillar {
  position: relative;
  padding: 1.75rem;
  background: linear-gradient(180deg, #ffffff, var(--color-surface-2));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: grid;
  gap: 0.5rem;
  transition: border-color var(--duration) ease, box-shadow var(--duration) ease;
}
.pillar:hover {
  border-color: rgba(191, 44, 49, 0.25);
  box-shadow: 0 18px 40px -16px rgba(191, 44, 49, 0.18);
}
.pillar-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}
.pillar h4 { font-size: var(--text-xl); margin-top: 0.2rem; }
.pillar p { font-size: var(--text-sm); }

/* ---------- Process steps ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  counter-reset: step;
}
.process-step {
  position: relative;
  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  counter-increment: step;
  box-shadow: var(--shadow-card);
}
.process-step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 700;
}
.process-step h5 { font-size: var(--text-lg); margin-bottom: 0.5rem; }
.process-step p { font-size: var(--text-sm); }

/* ---------- Portfolio filter pills ---------- */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: clamp(2rem, 1.5rem + 2vw, 3rem);
  padding: 0.6rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  position: sticky;
  top: 72px;
  z-index: 50;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(248, 250, 252, 0.92);
}
.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--duration) ease, background var(--duration) ease, border-color var(--duration) ease;
}
.filter-pill:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.7);
}
.filter-pill.is-active {
  color: white;
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 6px 16px -8px rgba(191, 44, 49, 0.45);
}
.filter-pill .count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  opacity: 0.7;
  font-weight: 600;
}

/* Cards filtered out */
.portfolio-card[data-hidden="true"] {
  display: none;
}

/* ---------- Portfolio grid ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.portfolio-card {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform var(--duration) var(--ease-out-expo), box-shadow var(--duration) ease;
  background: #ffffff;
  box-shadow: var(--shadow-card);
}
.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px -16px rgba(191, 44, 49, 0.25);
}

.portfolio-thumb {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(191, 44, 49, 0.55), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(232, 90, 94, 0.5), transparent 55%),
    #fff5f5;
}
.portfolio-card.alt-1 .portfolio-thumb {
  background:
    radial-gradient(circle at 30% 30%, rgba(214, 58, 63, 0.55), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(249, 115, 22, 0.5), transparent 55%),
    #fff5f0;
}
.portfolio-card.alt-2 .portfolio-thumb {
  background:
    radial-gradient(circle at 30% 30%, rgba(232, 90, 94, 0.55), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(191, 44, 49, 0.5), transparent 55%),
    #fff5f7;
}
.portfolio-card.alt-3 .portfolio-thumb {
  background:
    radial-gradient(circle at 30% 30%, rgba(245, 158, 11, 0.45), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(191, 44, 49, 0.55), transparent 55%),
    #fffaf0;
}

.portfolio-meta {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.85));
  z-index: 1;
}
.portfolio-tags {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}
.portfolio-meta .tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fecaca;
}
.portfolio-meta .industry-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  padding: 0.15rem 0.55rem;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
}
.portfolio-meta h4 { font-size: var(--text-xl); margin: 0.2rem 0 0.4rem; color: #ffffff; line-height: 1.3; }
.portfolio-desc {
  font-size: var(--text-xs);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.78);
  margin: 0 0 0.55rem;
  max-width: 95%;
}
.portfolio-metric {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #fff;
  padding: 0.3rem 0.65rem;
  background: rgba(191, 44, 49, 0.85);
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  margin-top: 0.4rem;
  backdrop-filter: blur(4px);
}
.portfolio-metric::before {
  content: '↑';
  font-weight: 700;
}

/* ---------- Capability × Industry Matrix ---------- */
.matrix-wrap {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.5rem);
  box-shadow: var(--shadow-card);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.matrix {
  display: grid;
  grid-template-columns: minmax(160px, 200px) repeat(10, minmax(64px, 1fr));
  gap: 4px;
  min-width: 880px;
  font-size: var(--text-xs);
}
.matrix-corner {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.6rem 0.4rem;
  font-weight: 600;
  align-self: end;
}
.matrix-col-header {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  font-weight: 600;
  padding: 0.6rem 0.2rem;
  text-align: center;
  align-self: end;
  line-height: 1.2;
}
.matrix-row-header {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 600;
  padding: 0.85rem 0.6rem;
  background: var(--color-surface-2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
}
.matrix-cell {
  display: grid;
  place-items: center;
  padding: 0.85rem 0.4rem;
  background: var(--color-surface-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  font-weight: 600;
  position: relative;
  overflow: hidden;
}
.matrix-cell::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity var(--duration) ease;
  pointer-events: none;
  border-radius: inherit;
}
.matrix-cell.d-1::before { opacity: 0.16; }
.matrix-cell.d-2::before { opacity: 0.42; }
.matrix-cell.d-3::before { opacity: 0.72; }
.matrix-cell.d-1, .matrix-cell.d-2 { color: var(--color-primary); }
.matrix-cell.d-3 { color: white; }
.matrix-cell .dot { position: relative; z-index: 1; font-family: var(--font-display); }

.matrix-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.matrix-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.matrix-legend-swatch {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: var(--color-primary);
}

/* ---------- "Recently Added" / NEW badge on spotlight cards ---------- */
.spotlight-card .new-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  background: var(--gradient-brand);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(191, 44, 49, 0.45), 0 1px 0 rgba(255, 255, 255, 0.18) inset;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.spotlight-card .new-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

/* ---------- Pricing tiers (product detail pages) ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}
.pricing-tier {
  position: relative;
  padding: 2rem 1.75rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: grid;
  gap: 0.75rem;
  align-content: start;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration) var(--ease-out-expo), border-color var(--duration) ease;
}
.pricing-tier:hover {
  transform: translateY(-3px);
  border-color: rgba(191, 44, 49, 0.25);
}
.pricing-tier.featured {
  background: linear-gradient(180deg, #ffffff, #fff5f5);
  border-color: rgba(191, 44, 49, 0.35);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04) inset, 0 18px 40px -16px rgba(191, 44, 49, 0.25);
}
.pricing-tier.featured::before {
  content: 'MOST POPULAR';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: white;
  background: var(--gradient-brand);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
}
.pricing-tier h4 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin: 0;
  letter-spacing: -0.01em;
}
.pricing-tier .price {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 0.5rem 0 1rem;
}
.pricing-tier .price .amount {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.5rem + 1.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1;
}
.pricing-tier .price .period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.pricing-tier ul {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
}
.pricing-tier ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: var(--text-sm);
  line-height: 1.5;
}
.pricing-tier ul li::before {
  content: '✓';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: white;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
}
.pricing-tier .pt-cta {
  margin-top: auto;
  padding-top: 1rem;
}

/* ---------- Demo video placeholder ---------- */
.video-placeholder {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #0f172a;
  cursor: pointer;
  display: block;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}
.video-placeholder img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.video-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(191, 44, 49, 0.25), transparent 60%), linear-gradient(180deg, rgba(15, 23, 42, 0.3), rgba(15, 23, 42, 0.7));
  pointer-events: none;
}
.video-placeholder .play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  font-size: 2rem;
  z-index: 1;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  transition: transform var(--duration) var(--ease-out-expo);
}
.video-placeholder:hover .play { transform: translate(-50%, -50%) scale(1.08); }
.video-placeholder .video-label {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 1;
  color: white;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}

/* ---------- Feature blocks (product detail) ---------- */
.feature-blocks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.feature-block {
  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: grid;
  gap: 0.5rem;
  align-content: start;
}
.feature-block .icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gradient-brand-soft);
  border: 1px solid rgba(191, 44, 49, 0.18);
  display: grid;
  place-items: center;
  color: var(--color-primary);
  font-size: 1rem;
  margin-bottom: 0.4rem;
}
.feature-block h5 {
  font-size: var(--text-base);
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}
.feature-block p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
}

/* ---------- Case-study deep-dive page ---------- */
.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 2rem 0;
  box-shadow: var(--shadow-card);
}
.case-meta .item {
  padding: 1.25rem 1.5rem;
  background: #ffffff;
}
.case-meta .label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  font-weight: 600;
}
.case-meta .value {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.case-section { padding: clamp(2.5rem, 2rem + 2vw, 5rem) 0; }
.case-section h2 { font-size: var(--text-3xl); margin-bottom: 1.25rem; }
.case-section .lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 740px;
  margin-bottom: 2rem;
}

.case-stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.case-stack-item {
  padding: 1rem 1.25rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: grid;
  gap: 0.3rem;
}
.case-stack-item strong {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.case-stack-item span {
  font-size: var(--text-sm);
  color: var(--color-text);
}

.case-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin: 2rem 0;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04) inset, 0 18px 40px -16px rgba(191, 44, 49, 0.12);
}
.case-results .res {
  padding: 2rem 1.5rem;
  background: #ffffff;
  text-align: center;
}
.case-results .res .num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.6rem + 1.6vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.case-results .res .label {
  display: block;
  margin-top: 0.5rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.case-quote {
  position: relative;
  padding: 2rem clamp(1.5rem, 1rem + 2vw, 3rem);
  background: var(--color-surface-2);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  margin: 2rem 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1rem + 0.5vw, 1.5rem);
  line-height: 1.45;
  color: var(--color-text);
  font-style: italic;
}
.case-quote .attribution {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-style: normal;
  letter-spacing: 0.04em;
}

/* ---------- Trust bar / industry marquee ---------- */
.trust-bar {
  padding: clamp(2rem, 1.5rem + 2vw, 3rem) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-2);
  overflow: hidden;
}
.trust-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  font-weight: 600;
}
.marquee {
  display: flex;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.marquee-track {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
  padding-right: 1rem;
  animation: marquee-scroll 50s linear infinite;
  white-space: nowrap;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-100%); }
}
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  letter-spacing: -0.01em;
}
.marquee-item .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient-brand);
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---------- Featured work spotlight (3 hero cards) ---------- */
.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.spotlight-card {
  position: relative;
  display: block;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #0f172a;
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration) var(--ease-out-expo), box-shadow var(--duration) ease;
}
.spotlight-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 50px -20px rgba(191, 44, 49, 0.35);
}
.spotlight-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 800ms var(--ease-out-expo);
}
.spotlight-card:hover img { transform: scale(1.06); }
.spotlight-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.1) 0%, rgba(15, 23, 42, 0.55) 50%, rgba(15, 23, 42, 0.92) 100%),
    linear-gradient(135deg, rgba(191, 44, 49, 0.18), transparent 50%);
  pointer-events: none;
}
.spotlight-meta {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 1;
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  color: white;
}
.spotlight-meta .cap-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.spotlight-meta .cap {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-full);
  letter-spacing: 0.06em;
  backdrop-filter: blur(6px);
}
.spotlight-meta .cap i {
  font-size: 1em;
  opacity: 0.9;
  flex-shrink: 0;
  width: 1em;
  text-align: center;
}

/* Tech stack chips with icons */
.capability {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.capability i {
  font-size: 1em;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Partner cards with brand icons */
.partner i {
  display: block;
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.spotlight-meta h3 {
  font-size: clamp(1.25rem, 1.05rem + 0.6vw, 1.6rem);
  color: white;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}
.spotlight-meta p {
  font-size: var(--text-sm);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 1.25rem;
  max-width: 95%;
}
.spotlight-stats {
  display: flex;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  margin-bottom: 1rem;
}
.spotlight-stats .s {
  flex: 1;
}
.spotlight-stats .v {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1rem + 0.4vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: white;
  line-height: 1;
}
.spotlight-stats .l {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.3rem;
}
.spotlight-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #fecaca;
}
.spotlight-card:hover .spotlight-cta { color: white; }

/* ---------- Service spotlight grid (3x3 dark cards) ---------- */
.service-spotlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 880px) {
  .service-spotlight-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .service-spotlight-grid { grid-template-columns: 1fr; }
}

/* ---------- Industries served grid (dark spotlight aesthetic) ---------- */
.industries {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}
.industry-tile {
  position: relative;
  padding: 1.75rem 1.5rem;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  display: grid;
  gap: 0.55rem;
  align-content: start;
  overflow: hidden;
  transition: transform var(--duration) var(--ease-out-expo),
              border-color var(--duration) ease,
              box-shadow var(--duration) ease;
}
.industry-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 70% at 0% 0%, rgba(191, 44, 49, 0.12), transparent 55%),
    linear-gradient(135deg, rgba(232, 90, 94, 0.06), transparent 60%);
  opacity: 0.7;
  transition: opacity var(--duration) ease;
  pointer-events: none;
}
.industry-tile:hover {
  transform: translateY(-3px);
  border-color: rgba(191, 44, 49, 0.45);
  box-shadow: 0 18px 40px -16px rgba(191, 44, 49, 0.4);
}
.industry-tile:hover::before { opacity: 1.2; }
.industry-tile > * { position: relative; z-index: 1; }
.industry-tile .icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--gradient-brand);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  place-items: center;
  color: white;
  margin-bottom: 0.5rem;
  box-shadow: 0 4px 12px -4px rgba(191, 44, 49, 0.5);
}
.industry-tile h5 {
  font-size: var(--text-lg);
  margin: 0;
  letter-spacing: -0.01em;
  color: white;
  font-family: var(--font-display);
  font-weight: 600;
}
.industry-tile p {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin: 0;
}

/* ---------- Big animated counters ---------- */
.big-stats-section {
  padding: clamp(4rem, 3rem + 4vw, 7rem) 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(191, 44, 49, 0.06), transparent 60%),
    var(--color-surface-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.big-stats {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(1.25rem, 0.5rem + 2vw, 2.5rem);
  text-align: center;
}
@media (max-width: 880px) {
  .big-stats { grid-template-columns: repeat(3, 1fr); row-gap: 2.5rem; }
}
@media (max-width: 480px) {
  .big-stats { grid-template-columns: repeat(2, 1fr); }
}
.big-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}
.big-stat .num {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.2rem + 2.4vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
  display: inline-block;
  padding: 0 0.05em;
}
.big-stat .label {
  font-size: var(--text-base);
  color: var(--color-text);
  margin-top: 0.75rem;
  font-weight: 600;
  line-height: 1.3;
  min-height: 2.6em;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  text-align: center;
}
.big-stat .sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  letter-spacing: 0.06em;
  margin-top: 0.3rem;
  text-transform: uppercase;
  line-height: 1.4;
  min-height: 2em;
}

/* ---------- Testimonial pull-quote ---------- */
.big-quote {
  position: relative;
  padding: clamp(2rem, 1.5rem + 2vw, 3.5rem);
  background: linear-gradient(135deg, #ffffff, var(--color-surface-2));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-card);
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
}
.big-quote::before {
  content: '\201C';
  position: absolute;
  top: -1.5rem;
  left: 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(6rem, 4rem + 6vw, 9rem);
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.18;
  font-weight: 700;
}
.big-quote q {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.05rem + 0.7vw, 1.75rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text);
  letter-spacing: -0.01em;
  quotes: none;
  position: relative;
  z-index: 1;
}
.big-quote q::before, .big-quote q::after { content: none; }
.big-quote .q-attribution {
  display: block;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* ---------- Recognition / Partners strip ---------- */
.partners {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.partner {
  padding: 1.5rem 1rem;
  background: #ffffff;
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.3;
  transition: background var(--duration) ease, color var(--duration) ease;
}
.partner:hover {
  background: var(--color-surface-2);
  color: var(--color-primary);
}
.partner .tier {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* ---------- Featured engagement cards ---------- */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}
.featured-case {
  position: relative;
  padding: 2rem;
  background: linear-gradient(180deg, #ffffff, var(--color-surface-2));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  transition: transform var(--duration) var(--ease-out-expo), border-color var(--duration) ease;
  overflow: hidden;
}
.featured-case:hover {
  transform: translateY(-4px);
  border-color: rgba(191, 44, 49, 0.25);
}
.featured-case-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.featured-case h4 { font-size: var(--text-xl); margin-bottom: 0.6rem; }
.featured-case p { font-size: var(--text-sm); margin-bottom: 1.25rem; }
.featured-case-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}
.featured-case-metrics .m {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.featured-case-metrics .l {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* ---------- Tech logos / capabilities ---------- */
.capabilities {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.capability {
  padding: 1.5rem;
  background: #ffffff;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
  transition: background var(--duration) ease, color var(--duration) ease;
}
.capability:hover { background: var(--color-surface-2); color: var(--color-primary); }

/* ---------- FAQ accordion ---------- */
.faq { display: grid; gap: 0.75rem; max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  list-style: none;
  color: var(--color-text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform var(--duration) ease;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item .faq-body {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ---------- Misc ---------- */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: clamp(2rem, 1.5rem + 2vw, 4rem) 0;
}

.text-center { text-align: center; }
.mt-md { margin-top: 1.5rem; }
.mt-lg { margin-top: 2.5rem; }

/* ---------- Mobile menu ---------- */
@media (max-width: 880px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem var(--container-pad);
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-110%);
    transition: transform var(--duration) var(--ease-out-expo);
    gap: 0.25rem;
    box-shadow: 0 12px 24px -16px rgba(15, 23, 42, 0.15);
  }
  .nav-menu.is-open { transform: translateY(0); }
  .nav-menu a { padding: 0.85rem 0; font-size: var(--text-base); }
  .nav-cta .btn-secondary { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   CHAT WIDGET — XRDA3 self-hosted (PHP + jQuery + MySQL)
   ============================================================ */
.xc-launcher {
  position: fixed; right: 24px; bottom: 24px; z-index: 9998;
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, #bf2c31, #d63a3f);
  color: #fff; border: none; cursor: pointer;
  box-shadow: 0 12px 36px rgba(191, 44, 49, 0.45), 0 4px 12px rgba(0, 0, 0, 0.12);
  display: grid; place-items: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.xc-launcher:hover { transform: translateY(-3px) scale(1.04); box-shadow: 0 18px 44px rgba(191, 44, 49, 0.55); }
.xc-launcher i { font-size: 26px; }
.xc-launcher .xc-dot {
  position: absolute; top: 6px; right: 6px;
  width: 10px; height: 10px; border-radius: 50%;
  background: #22c55e; border: 2px solid #fff;
  animation: xcPulse 2s infinite;
}
@keyframes xcPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(34,197,94, 0.6); }
  50%      { box-shadow: 0 0 0 8px rgba(34,197,94, 0); }
}

.xc-panel {
  position: fixed; right: 24px; bottom: 96px; z-index: 9999;
  width: 380px; max-width: calc(100vw - 32px);
  height: 580px; max-height: calc(100vh - 120px);
  background: #fff; border-radius: 18px; overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.22), 0 8px 24px rgba(0, 0, 0, 0.08);
  display: none; flex-direction: column;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transform: translateY(20px) scale(0.97); opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  font-family: 'Inter', system-ui, sans-serif;
}
.xc-panel.xc-open { display: flex; transform: translateY(0) scale(1); opacity: 1; }

.xc-head {
  padding: 18px 20px; color: #fff;
  background: linear-gradient(135deg, #bf2c31 0%, #8e1f24 100%);
  position: relative;
}
.xc-head h4 { margin: 0; font-size: 16px; font-weight: 700; letter-spacing: -0.01em; color: #ffffff; }
.xc-head p  { margin: 4px 0 0; font-size: 12.5px; opacity: 0.92; color: #ffffff; }
.xc-head .xc-status { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; opacity: 0.9; margin-top: 8px; }
.xc-head .xc-status::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e; box-shadow: 0 0 0 0 rgba(34,197,94,0.6);
  animation: xcPulse 2s infinite;
}
.xc-close {
  position: absolute; top: 14px; right: 14px;
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(255,255,255, 0.18); color: #fff; border: none; cursor: pointer;
  display: grid; place-items: center; font-size: 14px;
}
.xc-close:hover { background: rgba(255,255,255, 0.3); }

.xc-body {
  flex: 1; overflow-y: auto; padding: 16px; background: #f7f7f8;
  display: flex; flex-direction: column; gap: 10px;
  scroll-behavior: smooth;
}
.xc-msg { display: flex; max-width: 85%; animation: xcSlideIn 0.25s ease; }
@keyframes xcSlideIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.xc-msg-bot { align-self: flex-start; }
.xc-msg-user { align-self: flex-end; }
.xc-bubble {
  padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.5;
  word-wrap: break-word;
}
.xc-msg-bot .xc-bubble { background: #fff; color: #1a1a1a; border: 1px solid #ececec; border-bottom-left-radius: 4px; }
.xc-msg-user .xc-bubble {
  background: linear-gradient(135deg, #bf2c31, #d63a3f); color: #fff;
  border-bottom-right-radius: 4px;
}
.xc-bubble a { color: inherit; text-decoration: underline; }

.xc-typing { display: flex; gap: 4px; padding: 12px 14px; align-items: center; }
.xc-typing span {
  width: 7px; height: 7px; border-radius: 50%; background: #c0c0c0;
  animation: xcType 1.2s infinite;
}
.xc-typing span:nth-child(2) { animation-delay: 0.15s; }
.xc-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes xcType { 0%, 60%, 100% { transform: translateY(0); opacity: 0.4; } 30% { transform: translateY(-4px); opacity: 1; } }

.xc-suggest { display: flex; flex-wrap: wrap; gap: 6px; padding: 4px 0 8px; }
.xc-chip {
  background: #fff; border: 1px solid #d8d8d8; color: #bf2c31;
  padding: 6px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 500;
  cursor: pointer; transition: all 0.15s ease;
}
.xc-chip:hover { background: #bf2c31; color: #fff; border-color: #bf2c31; }

.xc-lead {
  padding: 16px; background: #fff; border-radius: 12px;
  border: 1px solid #ececec; margin: 4px 0;
}
.xc-lead h5 { margin: 0 0 8px; font-size: 14px; font-weight: 600; color: #1a1a1a; }
.xc-lead p  { margin: 0 0 12px; font-size: 12.5px; color: #666; }
.xc-lead label { display: block; font-size: 11.5px; color: #444; margin-bottom: 4px; font-weight: 500; }
.xc-lead input {
  width: 100%; padding: 9px 12px; border: 1px solid #ddd; border-radius: 8px;
  font-size: 13.5px; margin-bottom: 10px; font-family: inherit;
  transition: border-color 0.15s ease;
}
.xc-lead input:focus { outline: none; border-color: #bf2c31; box-shadow: 0 0 0 3px rgba(191,44,49,0.12); }
.xc-lead button {
  width: 100%; padding: 10px; border: none; border-radius: 8px; cursor: pointer;
  background: linear-gradient(135deg, #bf2c31, #d63a3f); color: #fff;
  font-size: 13.5px; font-weight: 600; font-family: inherit;
  transition: transform 0.1s ease;
}
.xc-lead button:hover { transform: translateY(-1px); }

.xc-foot {
  padding: 12px 14px; background: #fff; border-top: 1px solid #ececec;
  display: flex; gap: 8px; align-items: flex-end;
}
.xc-input {
  flex: 1; min-height: 38px; max-height: 100px;
  padding: 9px 12px; border: 1px solid #ddd; border-radius: 20px;
  resize: none; font-size: 14px; font-family: inherit; line-height: 1.4;
  outline: none; transition: border-color 0.15s ease;
}
.xc-input:focus { border-color: #bf2c31; box-shadow: 0 0 0 3px rgba(191,44,49,0.12); }
.xc-send {
  width: 38px; height: 38px; border-radius: 50%; border: none; cursor: pointer;
  background: linear-gradient(135deg, #bf2c31, #d63a3f); color: #fff;
  display: grid; place-items: center; flex-shrink: 0;
  transition: transform 0.1s ease;
}
.xc-send:disabled { opacity: 0.5; cursor: not-allowed; }
.xc-send:not(:disabled):hover { transform: scale(1.06); }
.xc-branding { text-align: center; padding: 6px; font-size: 10.5px; color: #999; background: #fff; }
.xc-branding a { color: #bf2c31; text-decoration: none; }

@media (max-width: 480px) {
  .xc-panel { right: 8px; left: 8px; width: auto; bottom: 80px; height: calc(100vh - 100px); }
  .xc-launcher { right: 16px; bottom: 16px; }
}

/* Case study generator variants — singular .case-result inside .case-results, <cite> as quote attribution */
.case-results .case-result {
  padding: 2rem 1.5rem;
  background: #ffffff;
  text-align: center;
}
.case-results .case-result .v {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.6rem + 1.6vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.case-results .case-result .l {
  display: block;
  margin-top: 0.5rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.case-quote cite {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-style: normal;
  letter-spacing: 0.04em;
}
.case-quote p { margin: 0; }

/* Chat widget — guided flow extras */
.xc-question { font-weight: 500; }
.xc-options { display: flex; flex-direction: column; gap: 6px; padding: 4px 0 8px; }
.xc-option {
  background: #fff; border: 1px solid #e2e2e2; color: #1a1a1a;
  padding: 10px 14px; border-radius: 12px; font-size: 13.5px; font-weight: 500;
  cursor: pointer; text-align: left; font-family: inherit;
  transition: all 0.15s ease; line-height: 1.4;
}
.xc-option:hover { background: #fff5f5; border-color: #bf2c31; color: #bf2c31; transform: translateX(2px); }
.xc-option .xc-opt-num {
  display: inline-flex; width: 22px; height: 22px; border-radius: 50%;
  background: #fef0f0; color: #bf2c31; font-weight: 700; font-size: 11px;
  align-items: center; justify-content: center; margin-right: 8px;
}
.xc-option:hover .xc-opt-num { background: #bf2c31; color: #fff; }

.xc-final {
  padding: 16px; background: #fff; border-radius: 12px;
  border: 1px solid #ececec; margin: 4px 0;
}
.xc-final h5 { margin: 0 0 4px; font-size: 14px; font-weight: 600; color: #1a1a1a; }
.xc-final .xc-summary {
  background: #fafafa; border: 1px dashed #ddd; border-radius: 8px;
  padding: 10px 12px; margin: 10px 0 14px; font-size: 12px; color: #555; line-height: 1.6;
}
.xc-final .xc-summary strong { color: #1a1a1a; font-weight: 600; }
.xc-thanks {
  text-align: center; padding: 24px 16px;
  background: linear-gradient(135deg, rgba(191,44,49,0.05), rgba(232,90,94,0.08));
  border: 1px solid rgba(191,44,49,0.15); border-radius: 12px;
  margin: 4px 0;
}
.xc-thanks .xc-tick {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, #bf2c31, #d63a3f); color: #fff;
  display: grid; place-items: center; margin: 0 auto 14px; font-size: 26px;
  box-shadow: 0 8px 24px rgba(191,44,49,0.3);
  animation: xcPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes xcPop { from { transform: scale(0); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.xc-thanks h5 { margin: 0 0 6px; font-size: 16px; color: #1a1a1a; font-weight: 700; }
.xc-thanks p  { margin: 0; font-size: 13px; color: #555; line-height: 1.5; }

/* Chat widget — final form fields */
.xc-final label {
  display: block;
  font-size: 11.5px;
  color: #444;
  margin: 6px 0 4px;
  font-weight: 500;
}
.xc-final input[type="text"],
.xc-final input[type="email"],
.xc-final input[type="tel"],
.xc-final select,
.xc-final textarea {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 9px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 13.5px;
  font-family: inherit;
  background: #fff;
  color: #1a1a1a;
  margin: 0 0 10px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
.xc-final select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2.5'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  padding-right: 34px;
}
.xc-final textarea { min-height: 70px; resize: vertical; line-height: 1.4; }
.xc-final input:focus,
.xc-final select:focus,
.xc-final textarea:focus {
  outline: none;
  border-color: #bf2c31;
  box-shadow: 0 0 0 3px rgba(191, 44, 49, 0.12);
}
.xc-final-submit {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 11px 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: linear-gradient(135deg, #bf2c31, #d63a3f);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  letter-spacing: 0.01em;
  transition: transform 0.1s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 12px rgba(191, 44, 49, 0.25);
}
.xc-final-submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(191, 44, 49, 0.35);
}
.xc-final-submit:disabled { opacity: 0.65; cursor: wait; }