/* ============================================
   SHARED COMPONENTS
   Portfolio Case Study Template - BEM
   ============================================ */

/* ============================================
   Progress Bar
   ============================================ */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  z-index: 1000;
  width: 0%;
  transition: width 0.1s linear;
}

/* ============================================
   Navigation - BEM
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  z-index: 100;
  background: rgba(26, 26, 46, 0.9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.nav__logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-light);
  letter-spacing: -0.02em;
}

.nav__cta {
  padding: 0.6rem 1.25rem;
  background: var(--color-primary);
  color: var(--text-light);
  text-decoration: none;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.nav__cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  .nav {
    padding: var(--space-sm);
  }
}

/* ============================================
   Floating Side Navigation - BEM
   ============================================ */
.floating-nav {
  position: fixed;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.floating-nav--visible {
  opacity: 1;
  pointer-events: auto;
}

.floating-nav__inner {
  position: relative;
}

.floating-nav__card {
  display: flex;
  flex-direction: column;
  padding: 1rem 0.5rem;
  background: rgba(26, 26, 46, 0.95);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  min-width: 180px;
  overflow: hidden;
}

.floating-nav__header {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
  padding: 0.5rem 1rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 0.5rem;
}

.floating-nav__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform-origin: left center;
  position: relative;
}

.floating-nav__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-primary);
  border-radius: 0 3px 3px 0;
  opacity: 0;
  transform: scaleY(0);
  transition: all 0.25s ease;
}

.floating-nav__item:hover {
  transform: scale(1.15) translateX(-4px);
  background: rgba(255, 107, 53, 0.15);
}

.floating-nav__item:hover .floating-nav__number {
  color: var(--color-primary);
}

.floating-nav__item:hover .floating-nav__label {
  color: var(--color-light);
}

.floating-nav__item--adjacent-1 {
  transform: scale(1.05);
}

.floating-nav__item--adjacent-2 {
  transform: scale(1.02);
}

.floating-nav__item--active::before {
  opacity: 1;
  transform: scaleY(1);
}

.floating-nav__item--active .floating-nav__number {
  color: var(--color-primary);
}

.floating-nav__item--active .floating-nav__label {
  color: var(--color-light);
}

.floating-nav__number {
  font-size: 0.7rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.3);
  min-width: 1.5rem;
  transition: all 0.25s ease;
}

.floating-nav__label {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  transition: all 0.25s ease;
}

@media (max-width: 1200px) {
  .floating-nav {
    right: 1rem;
  }
  
  .floating-nav__card {
    min-width: 160px;
  }
  
  .floating-nav__label {
    font-size: 0.8rem;
  }
}

@media (max-width: 768px) {
  .floating-nav {
    display: none;
  }
}

/* ============================================
   Section Base - BEM Modifiers
   ============================================ */
.section {
  padding: var(--space-xl) 0;
  position: relative;
}

.section--dark {
  background: var(--color-dark);
  color: var(--text-light);
}

.section--light {
  background: var(--color-light);
  color: var(--text-dark);
}

.section--cream {
  background: var(--color-cream);
  color: var(--text-dark);
}

.section--orange {
  background: linear-gradient(135deg, var(--color-orange) 0%, #ff8f6b 100%);
  color: var(--text-light);
}

.section--blue {
  background: linear-gradient(135deg, var(--color-blue) 0%, #3d8bff 100%);
  color: var(--text-light);
}

.section--gradient {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-soft) 50%, #0f3460 100%);
  color: var(--text-light);
}

.section--cta {
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.section__number {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.1em;
}

.section__number--light {
  color: rgba(255, 255, 255, 0.7);
}

.section__heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.section__heading--light {
  color: var(--text-light);
}

.section__intro {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-lg);
  max-width: 600px;
}

.section__intro--light {
  color: var(--text-light-soft);
}

.section__intro--dark {
  font-size: 1.25rem;
  color: var(--text-dark-soft);
  margin-bottom: var(--space-lg);
  max-width: 600px;
}

/* ============================================
   Hero Section - BEM
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: 
    radial-gradient(ellipse at 30% 20%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(0, 102, 255, 0.15) 0%, transparent 50%),
    var(--color-dark);
  position: relative;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--text-light-soft);
  margin-bottom: var(--space-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-secondary-muted) 50%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__tagline {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--text-light-soft);
  max-width: 600px;
  margin-bottom: var(--space-sm);
}

.hero__context {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 500px;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.hero__metrics {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.hero__metrics-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
}

@media (max-width: 640px) {
  .hero__metrics {
    flex-direction: column;
    padding: var(--space-md);
  }
  
  .hero__metrics-divider {
    width: 60px;
    height: 1px;
  }
}

.hero-metric {
  text-align: center;
}

.hero-metric__value {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.hero-metric__sign {
  color: var(--color-primary);
  font-weight: 700;
}

.hero-metric__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-light-soft);
}

/* Hero Preview Browser Frame - BEM */
.hero__preview {
  margin-top: var(--space-lg);
  width: 100%;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 2;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light-soft);
  animation: bounce 2s infinite;
}

.hero__scroll span {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ============================================
   Browser Frame - BEM
   ============================================ */
.browser-frame {
  background: var(--color-dark);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 
    0 50px 100px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 0 80px rgba(0, 102, 255, 0.15);
}

.browser-frame__header {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: var(--color-dark-medium);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.browser-frame__dots {
  display: flex;
  gap: 8px;
  margin-right: 16px;
}

.browser-frame__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.browser-frame__dot--red { background: var(--color-mac-red); }
.browser-frame__dot--yellow { background: var(--color-mac-yellow); }
.browser-frame__dot--green { background: var(--color-mac-green); }

.browser-frame__address {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.3);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
}

.browser-frame__lock-icon {
  font-size: 0.7rem;
}

.browser-frame__actions {
  width: 60px;
}

.browser-frame__content {
  position: relative;
}

.browser-frame__content img {
  width: 100%;
  display: block;
}

/* ============================================
   Role Section - BEM
   ============================================ */
.role__header {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-xl);
  align-items: start;
  margin-bottom: var(--space-xl);
}

.role__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.role__description {
  font-size: 1.125rem;
  color: var(--text-dark-soft);
  line-height: 1.7;
}

.role__tools {
  background: var(--color-light-soft);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
}

.role__tools-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dark-soft);
  margin-bottom: var(--space-md);
}

.role__tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.role__tool {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-light);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.role__tool:hover {
  background: var(--color-cream);
  transform: translateX(4px);
}

.role__tool-icon {
  font-size: 1.5rem;
}

.role__tool-name {
  font-size: 0.875rem;
  font-weight: 500;
}

/* Role Details - BEM */
.role__details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.role-detail {
  padding: var(--space-md);
  background: var(--color-light-soft);
  border-radius: var(--radius-md);
  border-top: 4px solid var(--color-primary);
}

.role-detail__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.role-detail__text {
  font-size: 0.9375rem;
  color: var(--text-dark-soft);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .role__header {
    grid-template-columns: 1fr;
  }
  
  .role__details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .role__tools-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Problem Section - BEM
   ============================================ */
.problem__narrative {
  max-width: 800px;
  margin-bottom: var(--space-lg);
}

.problem__narrative p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: var(--space-sm);
  color: rgba(255, 255, 255, 0.9);
}

.problem__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.problem-card {
  background: rgba(255, 255, 255, 0.15);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition-smooth);
}

.problem-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.2);
}

.problem-card__icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
}

.problem-card__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.problem-card__text {
  font-size: 0.9375rem;
  opacity: 0.9;
  line-height: 1.6;
}

.problem__impact {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.problem__stat {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 100px;
}

.problem__stat-icon {
  font-size: 1.25rem;
}

.problem__stat-text {
  font-size: 0.875rem;
  font-weight: 500;
}

@media (max-width: 640px) {
  .problem__impact {
    flex-direction: column;
    align-items: center;
  }
}

/* ============================================
   Research Section - BEM
   ============================================ */
.research__intro {
  max-width: 700px;
  margin-bottom: var(--space-md);
}

.research__intro p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-dark-soft);
}

.research__methods {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.research__pill {
  padding: 0.5rem 1rem;
  background: var(--color-light-soft);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark-soft);
  border: 2px solid transparent;
  transition: var(--transition-fast);
}

.research__pill:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.research__deep-dive {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.research-method {
  padding: var(--space-lg);
  background: var(--color-light-soft);
  border-radius: var(--radius-lg);
}

.research-method__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-dark);
}

.research-method__text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-dark-soft);
}

/* Insights - BEM */
.insight-quote {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-soft) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.insight-quote__text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 500;
  color: var(--text-light);
  line-height: 1.4;
  margin-bottom: var(--space-sm);
}

.insight-quote__text em {
  color: var(--color-primary);
  font-style: normal;
}

.insight-quote__source {
  font-size: 0.875rem;
  color: var(--text-light-soft);
}

.insights__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.insights__card {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
}

.insights__card:hover {
  transform: translateY(-4px);
}

.insights__card--blue {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 102, 255, 0.05) 100%);
  border: 2px solid rgba(0, 102, 255, 0.2);
}

.insights__card--green {
  background: linear-gradient(135deg, rgba(0, 200, 83, 0.1) 0%, rgba(0, 200, 83, 0.05) 100%);
  border: 2px solid rgba(0, 200, 83, 0.2);
}

.insights__card--green .insights__card-text strong {
  color: var(--color-green);
}

.insights__card--purple {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(124, 58, 237, 0.05) 100%);
  border: 2px solid rgba(124, 58, 237, 0.2);
}

.insights__card--purple .insights__card-text strong {
  color: var(--color-purple);
}

.insights__card-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  opacity: 0.3;
  margin-bottom: var(--space-sm);
}

.insights__card-text {
  font-size: 1.0625rem;
  line-height: 1.5;
}

.insights__card-text strong {
  color: var(--color-secondary);
}

/* ============================================
   Solution Section - BEM
   ============================================ */
.solution__narrative {
  max-width: 800px;
  margin-bottom: var(--space-lg);
}

.solution__narrative p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: var(--space-sm);
  color: var(--text-light-soft);
}

/* Video Showcase - BEM */
.video-showcase {
  margin-bottom: var(--space-xl);
}

.video-showcase__label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: var(--space-md);
  text-align: center;
}

.video-showcase__container {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.video-showcase__container video {
  width: 100%;
  display: block;
}

/* Solution Features - BEM */
.solution__features {
  margin-top: var(--space-xl);
}

.solution__features-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-light);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.solution__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.solution__card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.solution__card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.solution__card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.solution__card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.solution__card-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-light-soft);
}

/* ============================================
   Data Flow Diagram - BEM
   ============================================ */
.data-flow {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.data-flow__label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: var(--space-md);
  text-align: center;
}

.data-flow__description {
  text-align: center;
  font-size: 1.0625rem;
  color: var(--text-light-soft);
  margin-bottom: var(--space-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.data-flow__canvas {
  background: linear-gradient(135deg, var(--color-dark-deepest) 0%, var(--color-dark) 50%, var(--color-dark-deepest) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.data-flow__canvas::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.data-flow__svg {
  width: 100%;
  height: auto;
  display: block;
  max-width: 100%;
  position: relative;
  z-index: 1;
}

.data-flow__metrics {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.data-flow__metric {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.data-flow__metric::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.data-flow__metric:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  border-color: rgba(0, 188, 242, 0.3);
}

.data-flow__metric:hover::before {
  left: 100%;
}

.data-flow__metric-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.data-flow__metric-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-green);
  line-height: 1;
}

.data-flow__metric-unit {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.7;
}

.data-flow__metric-label {
  font-size: 0.75rem;
  color: var(--text-light-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

@media (max-width: 768px) {
  .data-flow__metrics {
    flex-direction: column;
    align-items: center;
  }
  
  .data-flow__metric {
    width: 100%;
    max-width: 280px;
  }
}

/* ============================================
   Architecture Section - BEM
   ============================================ */
.architecture__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-bottom: var(--space-xl);
  padding: var(--space-lg) 0;
}

.architecture__row--reverse {
  direction: rtl;
}

.architecture__row--reverse > * {
  direction: ltr;
}

.architecture__content {
  padding-right: var(--space-md);
}

.architecture__row--reverse .architecture__content {
  padding-right: 0;
  padding-left: var(--space-md);
}

.architecture__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--space-md);
  position: relative;
}

.architecture__title::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 70%;
  background: var(--color-primary);
  border-radius: 2px;
}

.architecture__text {
  font-size: 1.0625rem;
  color: var(--text-dark-soft);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.architecture__text:last-of-type {
  margin-bottom: var(--space-md);
}

.architecture__text--highlight {
  color: var(--text-dark);
  font-weight: 500;
  background: linear-gradient(120deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
  margin-top: var(--space-sm);
}

.architecture__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: var(--space-md);
}

.architecture__list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 1rem;
  color: var(--text-dark-soft);
  line-height: 1.6;
}

.architecture__list-icon {
  color: var(--color-primary);
  font-size: 0.625rem;
  margin-top: 0.5rem;
  flex-shrink: 0;
}

.architecture__list-item strong {
  color: var(--text-dark);
}

.architecture__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.architecture__image {
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: var(--radius-lg);
  background: var(--color-light-muted);
  padding: 1.5rem;
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.08),
    0 1px 3px rgba(0, 0, 0, 0.05);
}

@media (max-width: 900px) {
  .architecture__row {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .architecture__row--reverse {
    direction: ltr;
  }
  
  .architecture__content {
    padding-right: 0;
    order: 1;
  }
  
  .architecture__row--reverse .architecture__content {
    padding-left: 0;
  }
  
  .architecture__visual {
    order: 2;
  }
  
  .architecture__title::before {
    display: none;
  }
}

/* ============================================
   Process Section - BEM
   ============================================ */
.process__intro {
  max-width: 700px;
  margin-bottom: var(--space-lg);
}

.process__intro p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-dark-soft);
}

.process__timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  position: relative;
}

.process__timeline::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 40px;
  right: 40px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-orange), var(--color-blue), var(--color-green), var(--color-purple));
  border-radius: 2px;
  z-index: 0;
}

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

.process__step-marker {
  width: 56px;
  height: 56px;
  background: var(--color-light);
  border: 4px solid var(--color-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-orange);
  margin: 0 auto var(--space-md);
  transition: var(--transition-fast);
}

.process__step:nth-child(2) .process__step-marker {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.process__step:nth-child(3) .process__step-marker {
  border-color: var(--color-green);
  color: var(--color-green);
}

.process__step:nth-child(4) .process__step-marker {
  border-color: var(--color-purple);
  color: var(--color-purple);
}

.process__step:hover .process__step-marker {
  transform: scale(1.1);
}

.process__step-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.process__step-text {
  font-size: 0.875rem;
  color: var(--text-dark-soft);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .process__timeline {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .process__timeline::before {
    display: none;
  }
}

/* ============================================
   Results Section - BEM
   ============================================ */
.results__narrative {
  max-width: 700px;
  margin-bottom: var(--space-lg);
}

.results__narrative p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.results__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

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

.results__card {
  background: rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.results__card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.15);
}

.results__card--highlight {
  background: var(--text-light);
  color: var(--color-secondary);
}

.results__card--highlight:hover {
  background: var(--text-light);
}

.results__card--highlight .results__card-value {
  color: var(--color-secondary);
}

.results__card--highlight .results__card-label,
.results__card--highlight .results__card-detail {
  color: var(--text-dark);
}

.results__card-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.results__card-label {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.results__card-detail {
  font-size: 0.875rem;
  opacity: 0.8;
}

.results__adoption {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  max-width: 700px;
  margin: 0 auto;
}

.results__adoption-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
}

.results__adoption-text {
  font-size: 1.125rem;
  line-height: 1.5;
  text-align: left;
}

/* Results Testimonial - BEM */
.results__testimonial {
  margin-top: var(--space-lg);
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.results__quote {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 500;
  font-style: italic;
  line-height: 1.5;
  color: var(--text-light);
  margin-bottom: var(--space-sm);
}

.results__cite {
  font-size: 0.9375rem;
  color: var(--text-light-soft);
  font-style: normal;
}

@media (max-width: 600px) {
  .results__grid {
    grid-template-columns: 1fr;
  }
  
  .results__adoption {
    flex-direction: column;
    text-align: center;
  }
  
  .results__adoption-text {
    text-align: center;
  }
}

/* ============================================
   Learnings Section - BEM
   ============================================ */
.learnings__intro {
  max-width: 700px;
  margin-bottom: var(--space-lg);
}

.learnings__intro p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-dark-soft);
}

.learnings__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.learnings__card {
  background: var(--color-light-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-smooth);
  border: 2px solid transparent;
}

.learnings__card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.learnings__card-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
}

.learnings__card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.learnings__card-text {
  font-size: 0.9375rem;
  color: var(--text-dark-soft);
  line-height: 1.6;
}

/* Learnings Reflection - BEM */
.learnings__reflection {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-soft) 100%);
  border-radius: var(--radius-xl);
  color: var(--text-light);
}

.learnings__reflection-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.learnings__reflection-text {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-light-soft);
  margin-bottom: var(--space-sm);
}

.learnings__reflection-text:last-child {
  margin-bottom: 0;
}

@media (max-width: 1024px) {
  .learnings__grid {
    grid-template-columns: 1fr;
  }
  
  .problem__cards,
  .insights__grid,
  .solution__grid,
  .research__deep-dive {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   CTA Section - BEM
   ============================================ */
.cta {
  text-align: center;
  max-width: 700px;
}

.cta__heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta__subheading {
  font-size: 1.125rem;
  color: var(--text-light-soft);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.cta__buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.cta__button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-fast);
}

.cta__button--primary {
  background: var(--color-primary);
  color: var(--text-light);
}

.cta__button--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.cta__button--secondary {
  background: transparent;
  color: var(--text-light);
  border: 2px solid rgba(255, 255, 255, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.cta__button--secondary svg {
  flex-shrink: 0;
}

.cta__button--secondary:hover {
  border-color: var(--text-light);
  background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 640px) {
  .cta__buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* ============================================
   Footer - BEM
   ============================================ */
.footer {
  background: var(--color-dark);
  padding: var(--space-md) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-light-soft);
}