/* ============================================
   CenterTool — Design Strategy Implementation
   ============================================ */

/* --- Design Tokens --- */
:root {
  --primary: #0068A8;
  --primary-dark: #004d7a;
  --primary-light: rgba(0,104,168,0.08);
  --accent: #E8A020;
  --accent-dark: #c48a18;
  --accent-light: rgba(232,160,32,0.1);
  --bg-light: #F4F6F7;
  --bg-surface: #F7F8F9;
  --bg-dark: #10171D;
  --bg-dark-soft: #151D23;
  --bg-dark-start: #0f161b;
  --text: #162028;
  --text-strong: #0d141a;
  --text-muted: #55646F;
  --text-dark: #F4F6F7;
  --text-dark-muted: rgba(244,246,247,0.72);
  --text-dark-dim: rgba(244,246,247,0.48);
  --line: rgba(16,23,29,0.14);
  --line-strong: rgba(16,23,29,0.24);
  --dark-line: rgba(244,246,247,0.16);
  --dark-line-strong: rgba(244,246,247,0.28);
  --white: #ffffff;
  --success: #2A9D5C;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-pill: 20px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 5.5rem;
  --shell: 1220px;
  --transition: 0.25s ease;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.16);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg-light);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { display: block; max-width: 100%; height: auto; }
p, ul, blockquote { margin: 0; }
fieldset { border: none; padding: 0; margin: 0; }

/* --- Shell --- */
.shell { width: min(var(--shell), calc(100vw - 4rem)); margin: 0 auto; }

/* --- Animations --- */
[data-animate] {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
[data-animate="fade-up"] { transform: translateY(32px); }
[data-animate="fade-right"] { transform: translateX(-32px); }
[data-animate="fade-left"] { transform: translateX(32px); }
[data-animate].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* --- Typography --- */
.eyebrow {
  margin-bottom: 0.95rem;
  color: var(--primary);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-strong);
  line-height: 0.98;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(3.4rem, 6.8vw, 5.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 0.98;
}

h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 600;
  line-height: 1.1;
}

h4 {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,16,21,0.94);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-4);
  min-height: 5.25rem;
}

.brand {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
   gap: 1rem;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.9rem;
  background: rgba(255,255,255,0.98);
  border: 1px solid rgba(16,23,29,0.12);
  border-radius: calc(var(--radius-md) + 2px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.16);
}

.brand img {
  width: 9rem;
  object-fit: contain;
  filter: none;
}

.brand-meta {
  max-width: 13rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dark-muted);
  line-height: 1.45;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: 1.8rem;
  min-width: 0;
  color: var(--text-dark-muted);
  font-size: 0.87rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.main-nav a { transition: color var(--transition); }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--white); }

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 1.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  background: var(--accent);
  color: var(--bg-dark);
  transition: background var(--transition), transform var(--transition);
}

.header-cta:hover, .header-cta:focus-visible {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

/* --- Buttons --- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0 2rem;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  gap: 0.5rem;
}

.button-primary {
  background: var(--accent);
  color: var(--bg-dark);
}

.button-primary:hover, .button-primary:focus-visible {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.button-secondary {
  background: rgba(255,255,255,0.06);
  color: var(--text-dark);
  border: 1px solid var(--dark-line);
}

.button-secondary:hover, .button-secondary:focus-visible {
  background: rgba(255,255,255,0.1);
  border-color: var(--dark-line-strong);
}

.button-accent {
  background: var(--accent);
  color: var(--bg-dark);
}

.button-accent:hover, .button-accent:focus-visible {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.button-full { width: 100%; }

.arrow { display: inline-block; transition: transform var(--transition); }
.button:hover .arrow { transform: translateX(4px); }

/* --- Hero --- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-dark-start) 0%, var(--bg-dark-soft) 100%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -8%;
  width: 52rem;
  height: 52rem;
  background: radial-gradient(circle, rgba(0,104,168,0.2) 0%, rgba(0,104,168,0.08) 30%, rgba(0,104,168,0) 68%);
  pointer-events: none;
  z-index: 0;
}

.hero-hatching {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,0.015) 40px,
    rgba(255,255,255,0.015) 41px
  );
  pointer-events: none;
  z-index: 1;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(26rem, 38rem);
  gap: var(--space-6);
  align-items: center;
  padding: 7rem 0 5.5rem;
}

.hero-copy { max-width: 44rem; }

.hero .eyebrow { color: rgba(244,246,247,0.76); }

.hero h1 { color: var(--text-dark); margin-bottom: 1.35rem; }

.hero-lead {
  max-width: 36rem;
  margin-top: 1.35rem;
  color: rgba(244,246,247,0.82);
  font-size: 1.125rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
  margin-top: 2.25rem;
}

.hero-panel {
  position: relative;
  display: grid;
  gap: 0.9rem;
  padding: 1.2rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.03) 100%);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: calc(var(--radius-lg) + 0.4rem);
  box-shadow: 0 22px 56px rgba(0,0,0,0.26);
}

.hero-panel-kicker {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  min-height: 1.85rem;
  padding: 0 0.8rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-pill);
  color: var(--text-dark);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
}

.hero-panel-media {
  overflow: hidden;
  border-radius: calc(var(--radius-lg) + 0.15rem);
  border: 1px solid rgba(255,255,255,0.08);
}

.hero-panel img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: 66% center;
  border-radius: calc(var(--radius-lg) - 1px);
  filter: saturate(0.8) contrast(1.06) brightness(0.92);
  transform: scale(1.01);
}

.hero-panel-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  padding: 0.1rem 0 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 0.95rem;
}

.hero-panel-badge .badge-label,
.hero-panel-badge .badge-value {
  display: flex;
  align-items: center;
}

.badge-label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-dark-muted);
}

.badge-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.02em;
}

/* --- Trust Strip --- */
.trust-strip {
  border-bottom: 1px solid var(--line);
  background: var(--bg-surface);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 1.75rem 0;
  gap: var(--space-3);
}

.trust-item + .trust-item {
  padding-left: var(--space-3);
  border-left: 1px solid var(--line);
}

.trust-item strong {
  display: block;
  color: var(--text-strong);
  font-size: 1rem;
  font-weight: 700;
}

.trust-item p {
  margin-top: 0.35rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* --- Stats Section --- */
.stats-section {
  background: var(--bg-dark);
  border-bottom: 1px solid rgba(244,246,247,0.06);
  padding: 5rem 0;
}

.stats-section .section-head { margin-bottom: 3rem; }
.stats-section .eyebrow { color: var(--text-dark-muted); }
.stats-section h2 { color: var(--text-dark); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  padding: 1.5rem 0;
  text-align: center;
}

.stat-item + .stat-item {
  border-left: 1px solid rgba(244,246,247,0.1);
}

.stat-number {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.04em;
}

.stat-suffix {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-dark);
}

.stat-context {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.875rem;
  color: var(--text-dark-dim);
}

/* --- Case Card --- */
.case-section {
  background: var(--bg-dark);
  padding-bottom: 5rem;
  border-bottom: none;
}

.case-card {
  background: var(--bg-light);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.case-header {
  background: var(--primary);
  padding: 0.75rem 2rem;
}

.case-industry {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
}

.case-body {
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: start;
}

.case-problem h4, .case-solution h4 {
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.case-problem p, .case-solution p {
  color: var(--text);
  line-height: 1.6;
}

.case-divider {
  width: 1px;
  background: var(--primary);
  align-self: stretch;
  opacity: 0.3;
}

.case-result {
  grid-column: 1 / -1;
  display: flex;
  gap: 3rem;
  margin-top: 0.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.case-result-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.case-result-number {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.case-result-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* --- Sections --- */
.section {
  padding: 5.5rem 0;
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 3rem;
}

.section-head.narrow { max-width: 40rem; }

/* --- Capability Cards --- */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.capability-card {
  padding: 1.75rem;
  border-top: 2px solid var(--primary);
  background: var(--white);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.capability-card:hover {
  border-top-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.capability-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  transition: background var(--transition);
}

.capability-card:hover .capability-icon {
  background: var(--accent-light);
}

.capability-card h3 {
  margin-bottom: 0.5rem;
}

.capability-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
  margin-top: 0;
}

.microdata {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.85rem;
  padding: 4px 12px;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  letter-spacing: 0.01em;
}

.microdata::before {
  content: '◆';
  font-size: 0.5rem;
}

/* --- Tag Strip --- */
.tag-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.tag {
  display: inline-block;
  border: 1px solid var(--primary);
  border-radius: var(--radius-pill);
  padding: 6px 18px;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--primary);
  transition: all var(--transition);
}

.tag:hover {
  background: var(--primary);
  color: var(--white);
}

/* --- Machine Strip --- */
.machine-strip {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding: 1.25rem 2rem;
  background: var(--bg-dark);
  border-radius: var(--radius-md);
}

.machine-label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-dark-muted);
}

.machine-names {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.machine-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.machine-dot {
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

.machine-note {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--text-dark-muted);
}

/* --- Split Section --- */
.split-section {
  background: linear-gradient(180deg, var(--bg-surface) 0%, #eef2f4 100%);
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.92fr);
  gap: var(--space-5);
  align-items: center;
}

.split-copy { max-width: 36rem; padding-right: 1rem; }
.split-copy h2 { max-width: 11ch; }
.split-copy p { margin-top: 0.7rem; color: var(--text-muted); }

.split-visual {
  display: grid;
  gap: 0.85rem;
}

.split-visual-frame {
  position: relative;
  padding: 0.95rem;
  background: linear-gradient(180deg, rgba(16,23,29,0.95) 0%, rgba(16,23,29,0.88) 100%);
  border-radius: calc(var(--radius-lg) + 0.4rem);
  box-shadow: 0 18px 44px rgba(0,0,0,0.12);
}

.split-visual-frame::before {
  content: '';
  position: absolute;
  inset: 1rem;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.split-visual img {
  width: 100%;
  min-height: 24rem;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  object-position: center 34%;
  border-radius: var(--radius-lg);
  filter: saturate(0.82) contrast(1.03) brightness(0.92);
}

.visual-caption {
  max-width: 24rem;
  color: #4e5c66;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* --- Stepper / Process --- */
.stepper {
  position: relative;
  margin-top: 1rem;
}

.stepper-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

/* Horizontal connecting line */
.stepper-steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: calc(16.66% + 24px);
  right: calc(16.66% + 24px);
  height: 2px;
  background: var(--line-strong);
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  text-align: center;
}

.step-circle {
  width: 48px;
  height: 48px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  margin: 0 auto 1.25rem;
  background: var(--bg-light);
  transition: all var(--transition);
}

.step.is-active .step-circle {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.step-content h3 { margin-bottom: 0.5rem; }

.step-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.time-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.85rem;
  padding: 5px 14px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.92fr);
  gap: var(--space-5);
  align-items: center;
}

.about-copy p {
  margin-top: 0.7rem;
  color: var(--text-muted);
}

.quote {
  margin: 2rem 0 0;
  padding: 1.5rem 0 1.5rem 1.5rem;
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--accent-light);
}

.quote p {
  font-style: italic;
  color: var(--text);
  font-size: 1.125rem;
  line-height: 1.6;
  margin: 0;
}

.quote cite {
  display: block;
  margin-top: 0.85rem;
  font-style: normal;
}

.quote cite strong {
  color: var(--primary);
  font-size: 0.9375rem;
  font-weight: 600;
}

.about-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.fact-item {
  padding-top: 0.9rem;
  border-top: 1px solid var(--line-strong);
}

.about-facts strong {
  display: block;
  font-size: 1rem;
  color: var(--text-strong);
}

.about-facts span {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.about-visual {
  display: grid;
  gap: 1rem;
}

.about-photo-panel {
  position: relative;
  display: grid;
  align-content: end;
  min-height: 32rem;
  overflow: hidden;
  background: linear-gradient(180deg, #121a20 0%, #0d1419 100%);
  border-radius: calc(var(--radius-lg) + 0.35rem);
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 20px 48px rgba(0,0,0,0.18);
}

.about-photo-panel::before {
  content: '';
  position: absolute;
  inset: 1rem;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.about-photo-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,16,21,0.04) 0%, rgba(10,16,21,0.18) 52%, rgba(10,16,21,0.92) 100%);
  pointer-events: none;
}

.about-photo {
  width: 100%;
  height: 100%;
  min-height: 32rem;
  object-fit: cover;
  object-position: center top;
  filter: saturate(0.9) contrast(1.02);
}

.about-photo-caption {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 1;
  display: grid;
  gap: 0.3rem;
  padding: 1.5rem 1.6rem 1.7rem;
  color: var(--text-dark);
}

.about-photo-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(244,246,247,0.72);
}

.about-photo-caption strong {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.about-photo-caption span:last-child {
  max-width: 22rem;
  color: rgba(244,246,247,0.82);
  font-size: 0.9rem;
  line-height: 1.55;
}

.leader-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 1rem 1.25rem;
  padding: 1.25rem 1.4rem;
  background: linear-gradient(180deg, var(--white) 0%, #f1f4f6 100%);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(16,23,29,0.08);
  border-top: 2px solid var(--accent);
}

.leader-portrait {
  width: 4rem;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.leader-copy {
  display: flex;
  flex-direction: column;
  gap: 0.22rem;
}

.leader-label {
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
}

.leader-card strong {
  color: var(--text-strong);
  font-size: 1rem;
}

.leader-card span {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.leader-card a {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}

.leader-card a:hover { color: var(--accent); }

/* --- Contact Section --- */
.contact-section {
  position: relative;
  overflow: hidden;
  background: var(--bg-dark);
  border-bottom: 0;
  padding: 0;
}

.contact-background, .contact-overlay {
  position: absolute;
  inset: 0;
}

.contact-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 74% 38%;
  filter: saturate(0.78) contrast(1.06) brightness(0.74);
}

.contact-overlay {
  background: linear-gradient(90deg, rgba(11,16,21,0.98) 0%, rgba(11,16,21,0.95) 34%, rgba(11,16,21,0.84) 62%, rgba(11,16,21,0.74) 100%);
}

.contact-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28rem;
  gap: var(--space-6);
  align-items: start;
  padding: 5.5rem 0;
}

.contact-copy .eyebrow { color: var(--text-dark-muted); }
.contact-copy h2 { color: var(--text-dark); }

.contact-copy > p {
  max-width: 32rem;
  margin-top: 1rem;
  color: var(--text-dark-muted);
}

/* Lead Magnet */
.lead-magnet {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  max-width: 36rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.04) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(4px);
}

.lead-magnet-icon { flex-shrink: 0; }

.lead-magnet-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.lead-magnet-text strong {
  color: var(--text-dark);
  font-size: 0.95rem;
}

.lead-magnet-text span {
  color: var(--text-dark-muted);
  font-size: 0.85rem;
}

.lead-magnet .button {
  flex-shrink: 0;
  min-height: 2.75rem;
  padding: 0 1.25rem;
  font-size: 0.85rem;
}

/* Contact Form */
.contact-form-wrapper {
  background: rgba(255,255,255,0.98);
  border: 1px solid rgba(16,23,29,0.08);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.contact-form { display: flex; flex-direction: column; gap: 1rem; }

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

.form-group { display: flex; flex-direction: column; gap: 0.35rem; }

.form-group label,
.form-radio-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-strong);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg-light);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2355646F' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group textarea { resize: vertical; min-height: 80px; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,104,168,0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.form-radio-group {
  flex-direction: row;
  align-items: center;
  gap: 1rem;
}

.form-radios {
  display: flex;
  gap: 0.5rem;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.radio-option input[type="radio"] {
  accent-color: var(--primary);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Direct Contact */
.direct-contact {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.direct-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

.direct-details {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.direct-details strong {
  font-size: 0.85rem;
  color: var(--text-strong);
}

.direct-details a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
}

.direct-details a:hover { color: var(--accent); }

/* --- Footer --- */
.site-footer {
  background: #0e151b;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-4);
  align-items: center;
  padding: 1.5rem 0;
}

.footer-brand strong { color: var(--white); font-size: 1rem; }
.footer-brand p { color: var(--text-dark-muted); font-size: 0.9rem; margin-top: 0.15rem; }

.footer-contact { display: flex; flex-direction: column; gap: 0.25rem; }
.footer-contact a { color: var(--text-dark-muted); font-size: 0.9rem; font-weight: 500; text-align: right; }
.footer-contact a:hover { color: var(--accent); }

.footer-address {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  text-align: right;
  font-size: 0.85rem;
  color: var(--text-dark-dim);
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--accent);
  color: var(--bg-dark);
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  font-size: 0.9rem;
  z-index: 10000;
  border-radius: 0 0 var(--radius-sm) 0;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 0;
}

/* --- Header Scroll Effect --- */
.site-header.is-scrolled {
  background: rgba(11,16,21,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

/* --- Mobile Sticky CTA --- */
.mobile-cta {
  display: none;
}

/* --- Focus Visible (Accessibility) --- */
a:focus-visible,
.button:focus-visible,
.header-cta:focus-visible,
.tag:focus-visible,
.capability-card:focus-visible,
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.main-nav a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

.button:focus-visible {
  outline: 2px solid var(--bg-dark);
  outline-offset: 2px;
}

.button-accent:focus-visible,
.button-primary:focus-visible {
  outline: 2px solid var(--bg-dark);
  outline-offset: 2px;
}

.button-secondary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 68rem) {
  .header-inner,
  .hero-grid,
  .trust-grid,
  .capability-grid,
  .split-grid,
  .stepper-steps,
  .about-grid,
  .contact-inner,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .header-inner { padding: 1rem 0; }

  .main-nav {
    order: 3;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.85rem 1.2rem;
    grid-column: 1 / -1;
  }

  .header-cta { margin-left: auto; }

  .hero-grid { gap: 2.5rem; align-items: start; }
  .hero-panel { max-width: 38rem; }

  .trust-grid { gap: 1rem; }
  .trust-item + .trust-item {
    padding-left: 0;
    border-left: 0;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
  }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3) { border-left: none; }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-top: 1px solid rgba(244,246,247,0.1); padding-top: 2rem; }

  .case-body { grid-template-columns: 1fr; gap: 1.25rem; }
  .case-divider { width: 100%; height: 1px; }

  .split-grid, .about-grid { gap: 2.5rem; }
  .split-visual img { min-height: 20rem; }
  .about-visual { order: -1; }
  .about-graphic-panel { min-height: 20rem; }

  .stepper-steps::before { display: none; }
  .stepper-steps { gap: 2.5rem; grid-template-columns: 1fr; }

  /* Vertical stepper line on mobile */
  .step {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 1rem;
    text-align: left;
  }
  .step-circle { margin: 0; }
  .step + .step { position: relative; }
  .step + .step::before {
    content: '';
    position: absolute;
    top: -1.5rem;
    left: 23px;
    width: 2px;
    height: 1.5rem;
    background: var(--line-strong);
  }
  .step-content { padding-top: 0; }

  /* Case card: border-left → border-top on mobile */
  .case-card { border-left: none; border-top: 4px solid var(--accent); }

  .contact-inner { min-height: auto; gap: 3rem; }
  .contact-section { padding: 0; }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  .footer-address { grid-column: 1 / -1; text-align: left; }
  .footer-contact a { text-align: left; }
}

@media (max-width: 46rem) {
  :root { --shell: 100vw; }

  .shell { width: calc(100vw - 1.75rem); }

  .site-header { position: static; }

  .brand {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 0.45rem;
  }

  .brand-mark {
    padding: 0.5rem 0.75rem;
  }

  .brand-meta { max-width: none; }

  .header-inner { gap: 0.75rem; }

  .header-cta { width: 100%; text-align: center; }

  .hero-grid { padding: 4.5rem 0 3.5rem; }

  h1 { font-size: clamp(2.9rem, 15vw, 4.2rem); }
  h2 { font-size: clamp(2rem, 11vw, 3rem); }

  .section, .contact-inner { padding-top: 4rem; padding-bottom: 4rem; }
  .contact-section { padding: 0; }

  .hero-actions { gap: 0.75rem 1rem; flex-direction: column; }
  .hero-actions .button { width: 100%; justify-content: center; }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 2.25rem; }

  .capability-grid { grid-template-columns: 1fr; }

  .about-facts { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .contact-form-wrapper { padding: 1.5rem; }

  .lead-magnet {
    flex-direction: column;
    align-items: flex-start;
  }
  .lead-magnet {
    grid-template-columns: 1fr;
  }
  .lead-magnet .button { width: 100%; justify-content: center; }

  .leader-card {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .leader-card a { grid-column: 1 / -1; }

  .footer-inner { grid-template-columns: 1fr; gap: 1rem; }
  .footer-contact a, .footer-address { text-align: left; }

  .machine-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .machine-note { margin-left: 0; }

  .case-result { flex-direction: column; gap: 1rem; }

  .direct-contact { flex-direction: column; align-items: flex-start; gap: 0.5rem; }

  /* Mobile Sticky CTA (restructured: div > a + button) */
  .mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--accent);
    box-shadow: 0 -4px 16px rgba(0,0,0,0.2);
  }

  .mobile-cta.is-visible { display: block; }

  .mobile-cta-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 3rem 0.875rem 1.5rem;
    color: var(--bg-dark);
    font-weight: 700;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    text-decoration: none;
  }

  .mobile-cta-link:focus-visible {
    outline: 2px solid var(--bg-dark);
    outline-offset: -4px;
  }

  .mobile-cta-dismiss {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--bg-dark);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.25rem;
    opacity: 0.6;
  }

  .mobile-cta-dismiss:hover { opacity: 1; }
  .mobile-cta-dismiss:focus-visible {
    outline: 2px solid var(--bg-dark);
    opacity: 1;
  }
}

/* --- Print --- */
@media print {
  .site-header, .mobile-cta, .hero-hatching, .contact-overlay, .contact-background { display: none; }
  .hero { background: white; }
  .hero h1, .hero .hero-lead, .hero .eyebrow { color: var(--text); }
  .stats-section, .case-section { background: white; }
  .stats-section h2, .stat-label { color: var(--text); }
  .stat-number, .stat-suffix { color: var(--text-strong); }
  .stat-context { color: var(--text-muted); }
  .case-section { background: white; }
  .case-card { box-shadow: none; border: 1px solid #ccc; }
  .case-header { background: #e8e8e8; }
  .case-industry { color: var(--text); }
  .contact-section { background: white; }
  .contact-copy h2, .contact-copy .eyebrow, .contact-copy p,
  .lead-magnet-text strong, .lead-magnet-text span { color: var(--text); }
  .lead-magnet { border-color: #ccc; background: #f5f5f5; }
  .machine-strip { background: #e8e8e8; }
  .machine-name { color: var(--text); }
  .machine-label, .machine-note { color: var(--text-muted); }
  .tag { border-color: var(--text-muted); color: var(--text-muted); }
}