/* ============================================
   MFS — Detroit Precision. Silicon Valley Speed.
   Premium 3PL Landing Page Styles
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-black: #0a0a0a;
  --color-charcoal: #111111;
  --color-dark-gray: #1a1a1a;
  --color-industrial-gray: #2b2b2b;
  --color-mid-gray: #3a3a3a;
  --color-steel: #8a8a8a;
  --color-light-gray: #b0b0b0;
  --color-off-white: #e8e8e8;
  --color-white: #ffffff;
  --color-teal: #2dd4a8;
  --color-teal-dark: #1fa882;
  --color-teal-glow: rgba(45, 212, 168, 0.15);
  --color-teal-subtle: rgba(45, 212, 168, 0.08);

  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 12px 48px rgba(0, 0, 0, 0.5);
  --shadow-teal: 0 0 30px rgba(45, 212, 168, 0.2);

  --container-max: 1200px;
  --container-narrow: 900px;
  --section-padding: 120px;
  --section-padding-mobile: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

html {
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  background: var(--color-black);
  color: var(--color-off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-teal);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-white);
}

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

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-white);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
  color: var(--color-light-gray);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-teal);
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.container--narrow {
  max-width: var(--container-narrow);
}

section {
  position: relative;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 36px;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-teal);
  color: var(--color-charcoal);
}

.btn--primary:hover {
  background: var(--color-white);
  color: var(--color-charcoal);
  transform: translateY(-2px);
  box-shadow: var(--shadow-teal);
}

.btn--secondary {
  background: transparent;
  color: var(--color-off-white);
  border: 1px solid var(--color-mid-gray);
}

.btn--secondary:hover {
  border-color: var(--color-teal);
  color: var(--color-teal);
  transform: translateY(-2px);
}

.btn--large {
  padding: 20px 44px;
  font-size: 1rem;
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-medium);
}

.nav--scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
}

.nav__logo span {
  color: var(--color-teal);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-steel);
  transition: color var(--transition-fast);
}

.nav__links a:hover {
  color: var(--color-white);
}

.nav__cta {
  padding: 10px 24px;
  font-size: 0.8125rem;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ---------- HERO SECTION ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-image {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(45, 212, 168, 0.1) 0%, transparent 60%),
    linear-gradient(90deg, rgba(10, 10, 10, 0.92) 0%, rgba(10, 10, 10, 0.7) 40%, rgba(10, 10, 10, 0.4) 100%),
    linear-gradient(180deg, rgba(10, 10, 10, 0.3) 0%, rgba(10, 10, 10, 0.6) 100%);
  z-index: 1;
}

.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.hero__particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--color-teal);
  border-radius: 50%;
  opacity: 0;
  box-shadow: 0 0 6px 2px rgba(45, 212, 168, 0.4), 0 0 12px 4px rgba(45, 212, 168, 0.15);
  animation: particleFloat 8s infinite;
}

@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(100vh) scale(0.8); }
  10% { opacity: 0.8; }
  50% { opacity: 1; }
  90% { opacity: 0.7; }
  100% { opacity: 0; transform: translateY(-20vh) scale(0.2); }
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--color-teal-subtle);
  border: 1px solid rgba(45, 212, 168, 0.15);
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-teal);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(45, 212, 168, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(45, 212, 168, 0); }
}

.hero__badge-text {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-teal);
}

.hero__title {
  margin-bottom: 24px;
}

.hero__title-line {
  display: block;
}

.hero__title-accent {
  color: var(--color-teal);
}

.hero__subtitle {
  font-size: 1.1875rem;
  color: var(--color-steel);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__actions {
  margin-bottom: 56px;
}

/* Proof Bar */
.hero__proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.proof-item {
  padding: 20px 16px;
  background: rgba(17, 17, 17, 0.8);
  text-align: center;
  transition: background var(--transition-fast);
}

.proof-item:hover {
  background: rgba(45, 212, 168, 0.05);
}

.proof-item__icon {
  color: var(--color-teal);
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.proof-item__text {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-off-white);
  line-height: 1.4;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.4;
  transition: opacity var(--transition-fast);
  cursor: pointer;
}

.hero__scroll:hover {
  opacity: 0.8;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, var(--color-teal), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; height: 48px; }
  50% { opacity: 1; height: 64px; }
}

/* ---------- SECTION DIVIDER ---------- */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
  margin: 0;
  border: none;
}

/* ---------- DIFFERENTIATOR SECTION ---------- */
.differentiator {
  padding: var(--section-padding) 0;
  background: var(--color-charcoal);
  position: relative;
}

.differentiator::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(45, 212, 168, 0.03), transparent 70%);
  pointer-events: none;
}

.differentiator__header {
  text-align: center;
  margin-bottom: 80px;
}

.differentiator__header .label {
  margin-bottom: 16px;
  display: block;
}

.differentiator__header h2 {
  margin-bottom: 16px;
}

.differentiator__header p {
  max-width: 520px;
  margin: 0 auto;
  color: var(--color-steel);
}

.differentiator__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.diff-card {
  background: var(--color-dark-gray);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.diff-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-teal), transparent);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.diff-card:hover {
  border-color: rgba(45, 212, 168, 0.15);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.diff-card:hover::before {
  opacity: 1;
}

.diff-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-teal-subtle);
  border: 1px solid rgba(45, 212, 168, 0.12);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  color: var(--color-teal);
  font-size: 1.25rem;
}

.diff-card__title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--color-white);
}

.diff-card__text {
  font-size: 0.9375rem;
  color: var(--color-steel);
  line-height: 1.7;
  margin-bottom: 20px;
}

.diff-card__text:last-child {
  margin-bottom: 0;
}

/* Slack Mock */
.slack-mock {
  background: var(--color-charcoal);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 8px;
}

.slack-mock__header {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: 8px;
}

.slack-mock__channel {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-steel);
  font-weight: 500;
}

.slack-mock__dot {
  width: 8px;
  height: 8px;
  background: var(--color-teal);
  border-radius: 50%;
}

.slack-mock__messages {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.slack-msg {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.slack-msg__avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-white);
}

.slack-msg__avatar--client {
  background: var(--color-mid-gray);
}

.slack-msg__avatar--mfs {
  background: var(--color-teal-dark);
}

.slack-msg__content {
  flex: 1;
}

.slack-msg__name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-off-white);
  margin-bottom: 2px;
}

.slack-msg__name span {
  font-weight: 400;
  color: var(--color-steel);
  font-size: 0.6875rem;
  margin-left: 6px;
}

.slack-msg__text {
  font-size: 0.8125rem;
  color: var(--color-light-gray);
  line-height: 1.5;
}

/* Integration Grid */
.integration-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 8px;
}

.integration-item {
  padding: 12px;
  background: var(--color-charcoal);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-steel);
  transition: all var(--transition-fast);
}

.integration-item:hover {
  border-color: rgba(45, 212, 168, 0.2);
  color: var(--color-teal);
}

/* Map Visual */
/* ---- Map visual ----
   Map is width:100% so the full US is visible.  Detroit sits at
   ~77% x / ~34% y on the SVG.  Circle sizes use % of the card
   width so they scale on every screen size. */
.map-visual {
  --detroit-x: 77%;
  --detroit-y: 34%;
  position: relative;
  height: 220px;
  background: var(--color-charcoal);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 8px;
}

/* Full-width US map — inverted to white, semi-transparent */
.map-visual__img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%);
  width: 100%;
  height: auto;
  opacity: 0.13;
  filter: invert(1) brightness(2);
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
}

/* Shared radius circle base — anchored to Detroit */
.map-visual__radius {
  position: absolute;
  top: var(--detroit-y);
  left: var(--detroit-x);
  border-radius: 50%;
  aspect-ratio: 1;
  pointer-events: none;
}

/* 2-day reach — covers the full continental US from Detroit */
.map-visual__radius--2day {
  width: 150%;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(45, 212, 168, 0.25);
  background: rgba(45, 212, 168, 0.025);
  animation: radiusPulse2 4s ease-in-out infinite;
}

/* 1-day reach — covers most of the US from Detroit */
.map-visual__radius--1day {
  width: 105%;
  transform: translate(-50%, -50%);
  border: 1.5px dashed var(--color-teal);
  background: rgba(45, 212, 168, 0.06);
  animation: radiusPulse1 3s ease-in-out infinite;
}

@keyframes radiusPulse1 {
  0%, 100% { opacity: 0.7; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.03); }
}

@keyframes radiusPulse2 {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.02); }
}

/* Detroit glowing dot */
.map-visual__dot {
  position: absolute;
  top: var(--detroit-y);
  left: var(--detroit-x);
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background: var(--color-teal);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(45, 212, 168, 0.7), 0 0 24px rgba(45, 212, 168, 0.3);
  z-index: 2;
}

.map-visual__dot-label {
  position: absolute;
  top: calc(var(--detroit-y) + 14px);
  left: var(--detroit-x);
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--color-teal);
  letter-spacing: 0.15em;
  font-weight: 600;
  white-space: nowrap;
  z-index: 2;
}

/* Legend at the bottom */
.map-visual__legend {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 14px;
  z-index: 2;
}

.map-visual__legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.05em;
}

.map-visual__legend-swatch {
  width: 14px;
  height: 0;
  display: inline-block;
}

.map-visual__legend-swatch--1day {
  border-top: 1.5px dashed var(--color-teal);
}

.map-visual__legend-swatch--2day {
  border-top: 1px dashed rgba(45, 212, 168, 0.4);
}

/* ---------- METRICS SECTION ---------- */
.metrics {
  padding: var(--section-padding) 0;
  background: var(--color-black);
  position: relative;
  overflow: hidden;
}

.metrics::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(45, 212, 168, 0.04), transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(45, 212, 168, 0.04), transparent 50%);
}

.metrics__header {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
}

.metrics__header .label {
  margin-bottom: 16px;
  display: block;
}

.metrics__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  margin-bottom: 48px;
}

.metric-card {
  text-align: center;
  padding: 48px 32px;
  background: var(--color-dark-gray);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  position: relative;
  transition: all var(--transition-medium);
}

.metric-card:hover {
  border-color: rgba(45, 212, 168, 0.15);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.metric-card__value {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--color-teal);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 12px;
}

.metric-card__label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 8px;
}

.metric-card__sub {
  font-size: 0.8125rem;
  color: var(--color-steel);
  line-height: 1.5;
}

.metrics__statement {
  text-align: center;
  padding: 48px;
  background: var(--color-teal-subtle);
  border: 1px solid rgba(45, 212, 168, 0.1);
  border-radius: var(--radius-lg);
  position: relative;
}

.metrics__statement p {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  max-width: 600px;
  margin: 0 auto;
}

.metrics__statement p span {
  color: var(--color-teal);
}

/* ---------- CASE STUDIES ---------- */
.case-studies {
  padding: var(--section-padding) 0;
  background: var(--color-charcoal);
  position: relative;
}

.case-studies__header {
  text-align: center;
  margin-bottom: 64px;
}

.case-studies__header .label {
  margin-bottom: 16px;
  display: block;
}

.case-studies__header h2 {
  margin-bottom: 16px;
}

.case-studies__header p {
  max-width: 480px;
  margin: 0 auto;
  color: var(--color-steel);
}

/* ---- Carousel ---- */
.carousel {
  position: relative;
}

.carousel__viewport {
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel__slide {
  width: 100%;
  min-width: 0;
  flex-shrink: 0;
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--color-dark-gray);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 2;
}

.carousel__btn:hover {
  border-color: var(--color-teal);
  background: rgba(45, 212, 168, 0.08);
  color: var(--color-teal);
}

.carousel__btn--prev { left: -22px; }
.carousel__btn--next { right: -22px; }

.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.carousel__dot--active {
  background: var(--color-teal);
  transform: scale(1.3);
}

.carousel__dot:hover:not(.carousel__dot--active) {
  background: rgba(255, 255, 255, 0.35);
}

/* ---- Case Study Card ---- */
.case-study {
  display: grid;
  grid-template-columns: 0.35fr 0.65fr;
  background: var(--color-dark-gray);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-medium);
  position: relative;
}

.case-study::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-teal), transparent);
  opacity: 0;
  transition: opacity var(--transition-medium);
  z-index: 1;
}

.case-study:hover {
  border-color: rgba(45, 212, 168, 0.15);
  box-shadow: var(--shadow-card);
}

.case-study:hover::before {
  opacity: 1;
}

.case-study__image {
  position: relative;
  overflow: hidden;
}

.case-study__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%) contrast(1.05);
  transition: filter var(--transition-medium);
}

.case-study:hover .case-study__image img {
  filter: grayscale(0%) contrast(1);
}

.case-study__content {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.case-study__brand {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 28px;
  display: inline-block;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.case-study__brand:hover {
  color: var(--color-white);
}

/* Before → After stats */
.case-study__stats {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.case-study__stat {
  text-align: center;
}

.case-study__stat-value {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.case-study__stat-value--before {
  color: var(--color-steel);
}

.case-study__stat-value--after {
  color: var(--color-teal);
}

.case-study__stat-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-steel);
  margin-top: 6px;
}

.case-study__stat-arrow {
  color: var(--color-teal);
  opacity: 0.6;
  flex-shrink: 0;
}

/* $0 Cost Increase badge */
.case-study__badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: var(--color-teal-subtle);
  border: 1px solid rgba(45, 212, 168, 0.15);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-teal);
  margin-bottom: 24px;
  width: fit-content;
}

.case-study__text {
  font-size: 0.9375rem;
  color: var(--color-steel);
  line-height: 1.75;
  margin-bottom: 32px;
}

/* Author attribution */
.case-study__author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.case-study__author-photo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.05);
  flex-shrink: 0;
}

.case-study__author-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.1);
  transition: filter var(--transition-medium);
}

.case-study:hover .case-study__author-photo img {
  filter: grayscale(0%) contrast(1);
}

.case-study__author-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-white);
}

.case-study__author-role {
  font-size: 0.75rem;
  color: var(--color-steel);
  margin-top: 2px;
}

/* ---------- WHO WE WORK WITH ---------- */
.audience {
  padding: var(--section-padding) 0;
  background: var(--color-charcoal);
  position: relative;
}

.audience__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.audience__content .label {
  margin-bottom: 16px;
  display: block;
}

.audience__content h2 {
  margin-bottom: 16px;
}

.audience__content > p {
  color: var(--color-steel);
  margin-bottom: 40px;
}

.audience__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.audience__list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 1rem;
  color: var(--color-off-white);
  line-height: 1.6;
}

.audience__list-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-teal-subtle);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-teal);
  font-size: 0.75rem;
}

.audience__visual {
  position: relative;
}

.audience__card {
  background: var(--color-dark-gray);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
}

.audience__card-quote {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.4;
  margin-bottom: 24px;
  font-style: italic;
}

.audience__card-quote span {
  color: var(--color-teal);
}

.audience__card-note {
  font-size: 0.875rem;
  color: var(--color-steel);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
}

/* ---------- TEAM SECTION ---------- */
.team {
  padding: var(--section-padding) 0;
  background: var(--color-black);
  position: relative;
}

.team__header {
  text-align: center;
  margin-bottom: 64px;
}

.team__header .label {
  margin-bottom: 16px;
  display: block;
}

.team__header h2 {
  margin-bottom: 16px;
}

.team__header p {
  max-width: 480px;
  margin: 0 auto;
  color: var(--color-steel);
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.team-card {
  background: var(--color-dark-gray);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  transition: all var(--transition-medium);
}

.team-card:hover {
  border-color: rgba(45, 212, 168, 0.15);
  transform: translateY(-4px);
}

.team-card__photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  margin: 0 auto 24px;
  background: var(--color-industrial-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-steel);
  border: 2px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.1);
  transition: filter var(--transition-medium);
}

.team-card:hover .team-card__photo img {
  filter: grayscale(0%) contrast(1);
}

.team-card__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}

.team-card__role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.team-card__bio {
  font-size: 0.875rem;
  color: var(--color-steel);
  line-height: 1.7;
}

/* ---------- PROCESS SECTION ---------- */
.process {
  padding: var(--section-padding) 0;
  background: var(--color-charcoal);
  position: relative;
}

.process__header {
  text-align: center;
  margin-bottom: 80px;
}

.process__header .label {
  margin-bottom: 16px;
  display: block;
}

.process__header h2 {
  margin-bottom: 16px;
}

.process__header p {
  max-width: 480px;
  margin: 0 auto;
  color: var(--color-steel);
}

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

.process__steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(45, 212, 168, 0.2),
    rgba(45, 212, 168, 0.4),
    rgba(45, 212, 168, 0.4),
    rgba(45, 212, 168, 0.2)
  );
}

.process-step {
  text-align: center;
  padding: 0 20px;
  position: relative;
}

.process-step__number {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  background: var(--color-dark-gray);
  border: 1px solid rgba(45, 212, 168, 0.2);
  border-radius: 50%;
  position: relative;
  z-index: 1;
}

.process-step__number span {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-teal);
}

.process-step__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--color-teal);
  font-size: 1.25rem;
}

.process-step__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.process-step__text {
  font-size: 0.8125rem;
  color: var(--color-steel);
  line-height: 1.6;
}

/* ---------- APPLICATION SECTION ---------- */
.application {
  padding: var(--section-padding) 0;
  background: var(--color-black);
  position: relative;
}

.application::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(45, 212, 168, 0.04), transparent 60%);
  pointer-events: none;
}

.application__inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.application__header {
  text-align: center;
  margin-bottom: 48px;
}

.application__header .label {
  margin-bottom: 16px;
  display: block;
}

.application__header h2 {
  margin-bottom: 12px;
}

.application__header p {
  color: var(--color-steel);
}

.application__form {
  background: var(--color-dark-gray);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: 48px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-off-white);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 16px;
  background: var(--color-charcoal);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-mid-gray);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(45, 212, 168, 0.1);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a8a8a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-group select option {
  background: var(--color-charcoal);
  color: var(--color-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form__submit {
  margin-top: 32px;
  text-align: center;
}

.form__submit .btn {
  width: 100%;
  padding: 18px 36px;
}

.form__note {
  text-align: center;
  margin-top: 16px;
  font-size: 0.8125rem;
  color: var(--color-steel);
}

.form__note svg {
  display: inline;
  vertical-align: -2px;
  margin-right: 4px;
}

/* Form success state */
.form-success {
  display: none;
  text-align: center;
  padding: 60px 40px;
}

.form-success.active {
  display: block;
}

.form-success__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: var(--color-teal-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-teal);
  font-size: 1.75rem;
}

.form-success h3 {
  margin-bottom: 12px;
}

.form-success p {
  color: var(--color-steel);
}

/* ---------- BOLD STATEMENT ---------- */
.statement {
  padding: 80px 0;
  background: var(--color-charcoal);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.statement::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45, 212, 168, 0.03), transparent 50%);
}

.statement__text {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-white);
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  line-height: 1.4;
}

.statement__text span {
  color: var(--color-teal);
}

/* ---------- FOOTER ---------- */
.footer {
  padding: 48px 0;
  background: var(--color-black);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
}

.footer__logo span {
  color: var(--color-teal);
}

.footer__text {
  font-size: 0.8125rem;
  color: var(--color-steel);
}

.footer__links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer__links a {
  font-size: 0.8125rem;
  color: var(--color-steel);
}

.footer__links a:hover {
  color: var(--color-teal);
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ---------- Mobile Nav Overlay ---------- */
.nav__mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: 100px 32px 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.nav__mobile-overlay.active {
  display: flex;
}

.nav__mobile-overlay a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-off-white);
}

.nav__mobile-overlay a:hover {
  color: var(--color-teal);
}

.nav__mobile-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  :root {
    --section-padding: 96px;
  }

  .hero__proof {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .case-study {
    grid-template-columns: 1fr;
  }

  .case-study__image {
    height: 280px;
  }

  .carousel__btn--prev { left: 8px; }
  .carousel__btn--next { right: 8px; }

  .audience__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .process__steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .process__steps::before {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: var(--section-padding-mobile);
  }

  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .hero__title {
    font-size: clamp(2rem, 7vw, 3rem);
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__proof {
    grid-template-columns: 1fr 1fr;
    gap: 1px;
  }

  .hero__scroll {
    display: none;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
    text-align: center;
  }

  .metrics__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .process__steps {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .application__form {
    padding: 28px 20px;
  }

  .footer__inner {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .case-study__content {
    padding: 28px;
  }

  .case-study__image {
    height: 240px;
  }

  .diff-card {
    padding: 28px;
  }

  .integration-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .hero__proof {
    grid-template-columns: 1fr;
  }

  .proof-item {
    padding: 16px 20px;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .proof-item__icon {
    margin-bottom: 0;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .metric-card {
    padding: 32px 20px;
  }

  .metric-card__value {
    font-size: 2.5rem;
  }
}

/* ---------- Prefers Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}