/* ========================================
   CHARLOTTE TILBURY CASE STUDY - REDESIGN v2
   Aligned with HBO Max/Max design language
   ======================================== */

/* ========================================
   CSS VARIABLES
   ======================================== */
.email-case-study {
  --ct-mint: #00F1AA;
  --ct-mint-muted: rgba(0, 241, 170, 0.15);
  --ct-teal: #329A99;
  --ct-dark: #0f0f0f;
  --ct-light: #f5f5f3;
  --ct-white: #ffffff;
  --ct-muted: rgba(15, 15, 15, 0.6);
}


/* ========================================
   HERO SECTION - HBO MAX/MAX STYLE
   Parallax image, gradient text, familiar layout
   ======================================== */

.email-case-study .cs-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  background: #000;
  overflow: hidden;
}

.email-case-study .cs-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.email-case-study .hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.email-case-study .hero-overlay {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(to right, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.2) 100%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 241, 170, 0.1) 0%, transparent 50%);
}

.email-case-study .hero-system-mesh {
  display: none;
}

/* Hero content - HBO Max style */
.email-case-study .cs-hero-content {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding-bottom: 64px;
}

@media (min-width: 1024px) {
  .email-case-study .cs-hero {
    align-items: flex-start;
    padding-top: 110px;
  }

  .email-case-study .cs-hero-content {
    padding-bottom: 40px;
  }
}

.email-case-study .floating-logo {
  margin-bottom: 20px;
}

.email-case-study .floating-logo img {
  max-height: 25px;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

.email-case-study .hero-headline,
.email-case-study .hero-subheading,
.email-case-study .hero-supporting {
  color: #ffffff;
}

.email-case-study .hero-discipline-pills {
  margin-bottom: 20px;
}

.email-case-study .discipline-pill,
.email-case-study .discipline-separator {
  color: rgba(255, 255, 255, 0.88);
}

.email-case-study .cs-title {
  margin-bottom: 20px;
}

.email-case-study .cs-title-sub {
  display: block;
  font-size: 5.1rem;
  line-height: 1.06;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.email-case-study .cs-title-main {
  display: block;
  font-size: 2.04rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0;
  line-height: 1.3;
  background: linear-gradient(180deg, #00F1AA 0%, #329A99 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.email-case-study .cs-title::after {
  content: '';
  display: block;
  width: min(760px, 86%);
  height: 1px;
  margin: 24px auto 0;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0.28),
    rgba(255, 255, 255, 0)
  );
}

.email-case-study .cs-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.email-case-study .cs-tagline {
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 32px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.email-case-study .cs-tagline::after {
  content: '';
  display: block;
  width: min(560px, 78%);
  height: 1px;
  margin: 20px auto 0;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0.24),
    rgba(255, 255, 255, 0)
  );
}

.email-case-study .cs-intro {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 900px;
  margin: 0 auto;
  padding-bottom: 40px;
}

/* Hero scope strip */
.email-case-study .hero-scope {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 12;
  display: flex;
  justify-content: center;
  gap: 36px;
  padding: 18px 24px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.email-case-study .scope-pill {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  transition: none;
  text-align: center;
}

.email-case-study .scope-pill:hover {
  background: transparent;
  border-color: transparent;
  transform: none;
  box-shadow: none;
}

.email-case-study .scope-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 4px;
  text-align: center;
}

.email-case-study .scope-label {
  display: block;
  font-size: 0.7rem;
  color: var(--ct-mint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
  opacity: 0.8;
  text-align: center;
}


/* ========================================
   SECTION 2: PILLARS - HIGH VELOCITY BENTO
   With tool logos
   ======================================== */

.email-case-study .email-pillars {
  background: #0f0f0f;
  padding: 100px 40px;
  position: relative;
  overflow: hidden;
}

.email-case-study .email-pillars::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), linear-gradient(rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.06)), url(../assets/charlotte-tilbury/tile.jpg) center;
  background-repeat: repeat;
  background-size: 800px auto;  opacity: 1.36;
  filter: grayscale(33%) brightness(2) contrast(0.92) saturate(0.75) blur(8px);
  transform: scale(1.03);
  pointer-events: none;
}

.email-case-study .email-pillars::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55)), linear-gradient(rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.05));
  pointer-events: none;
}

.email-case-study .email-pillars .cs-container {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.email-case-study .email-pillars .section-label {
  display: block;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ct-teal);
  margin-bottom: 12px;
}

.email-case-study .email-pillars .section-heading {
  text-align: center;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: #f5f5f3;
  margin-bottom: 16px;
}

.email-case-study .email-pillars .section-text {
  text-align: center;
  color: #f5f5f3;
  max-width: 600px;
  margin: 0 auto 48px;
  font-size: 1rem;
  line-height: 1.6;
}

/* ========================================
   FLEXIBLE BENTO GRID SYSTEM
   ======================================== */

.email-case-study .email-pillars {
  --pillar-padding: 28px;
}

.email-case-study .pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

/* Base Card Styles */
.email-case-study .pillar-card {
  position: relative;
  border-radius: 20px;
  padding: var(--pillar-padding);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.email-case-study .pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.email-case-study .pillar-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 8px 0;
  position: relative;
  z-index: 2;
}

.email-case-study .pillar-card p {
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 0;
  opacity: 0.85;
  position: relative;
  z-index: 2;
}

/* ========================================
   CARD SIZE MODIFIERS
   ======================================== */

/* Span 2 columns */
.email-case-study .pillar-card.span-2 {
  grid-column: span 2;
}

/* Span 3 columns */
.email-case-study .pillar-card.span-3 {
  grid-column: span 3;
}

/* Span 4 columns (full width) */
.email-case-study .pillar-card.span-4 {
  grid-column: span 4;
}

/* Span 2 rows (tall) */
.email-case-study .pillar-card.tall {
  grid-row: span 2;
}

/* ========================================
   CARD THEME MODIFIERS
   ======================================== */

/* Dark card */
.email-case-study .pillar-card.card-dark {
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  color: #ffffff;
}

.email-case-study .pillar-card.card-dark h3 {
  color: #ffffff;
}

.email-case-study .pillar-card.card-dark p {
  color: rgba(255, 255, 255, 0.75);
}

/* Light card */
.email-case-study .pillar-card.card-light {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--ct-dark);
}

.email-case-study .pillar-card.card-light h3 {
  color: var(--ct-dark);
}

.email-case-study .pillar-card.card-light p {
  color: var(--ct-muted);
}

/* Gradient card */
.email-case-study .pillar-card.card-gradient {
  background: linear-gradient(135deg, var(--ct-mint) 0%, var(--ct-teal) 100%);
  color: #012014;
}

.email-case-study .pillar-card.card-gradient h3 {
  color: #012014;
}

.email-case-study .pillar-card.card-gradient p {
  color: rgba(1, 32, 20, 0.8);
}

/* Teal card */
.email-case-study .pillar-card.card-teal {
  background: linear-gradient(135deg, var(--ct-teal) 0%, #1a1a1a 100%);
  color: #ffffff;
}

.email-case-study .pillar-card.card-teal h3 {
  color: #ffffff;
}

.email-case-study .pillar-card.card-teal p {
  color: rgba(255, 255, 255, 0.75);
}

/* ========================================
   CARD WITH BACKGROUND IMAGE
   ======================================== */

.email-case-study .pillar-card.has-bg {
  background-size: cover;
  background-position: center;
  min-height: 240px;
  padding: 0;
}

.email-case-study .pillar-card.has-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent;
  z-index: 1;
}

.email-case-study .pillar-card.has-bg h3,
.email-case-study .pillar-card.has-bg p {
  color: #012014;
}

.email-case-study .pillar-card.has-bg p {
  color: rgba(1, 32, 20, 0.8);
}

.email-case-study .pillar-card.has-bg .text-panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.88);
  padding: 16px var(--pillar-padding) 25px;
  border-radius: 0 0 20px 20px;
  background-clip: padding-box;
  overflow: hidden;
  z-index: 2;
}

/* Keep text above overlay */
.email-case-study .pillar-card.has-bg .text-panel > * {
  position: relative;
  z-index: 1;
}

/* Light gradient overlay variant */
.email-case-study .pillar-card.has-bg.bg-light-overlay::before {
  background: linear-gradient(to top, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 40%, transparent 100%);
}

.email-case-study .pillar-card.has-bg.bg-light-overlay h3 {
  color: var(--ct-dark);
}

.email-case-study .pillar-card.has-bg.bg-light-overlay p {
  color: var(--ct-muted);
}

/* ========================================
   CARD WITH LOGO
   ======================================== */

.email-case-study .pillar-card .card-logo {
  position: absolute;
  top: 24px;
  right: 24px;
  max-height: 32px;
  max-width: 100px;
  object-fit: contain;
  z-index: 2;
}

.email-case-study .pillar-card.card-dark .card-logo {
  filter: brightness(0) invert(1);
  opacity: 0.5;
}

.email-case-study .pillar-card .card-logo.logo-large {
  max-height: 48px;
  max-width: 140px;
}

/* ========================================
   LOGO PILLS (OPERATING LAYER)
   ======================================== */

.email-case-study .pillar-card .logo-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
  position: relative;
  z-index: 2;
}

.email-case-study .pillar-card .logo-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  min-height: 34px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: var(--ct-dark);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06);
}

.email-case-study .pillar-card .logo-pill img {
  display: block;
  height: 16px;
  width: auto;
  max-width: 70px;
  object-fit: contain;
}

/* ========================================
   CSS VISUAL ELEMENTS FOR CARDS
   ======================================== */

/* Data flow animation */
.email-case-study .pillar-card .visual-dataflow {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 140px;
  height: 80px;
  background: 
    linear-gradient(90deg, var(--ct-mint), transparent) no-repeat 0 8px / 100px 3px,
    linear-gradient(90deg, rgba(0, 241, 170, 0.5), transparent) no-repeat 15px 24px / 80px 3px,
    linear-gradient(90deg, var(--ct-mint), transparent) no-repeat 30px 40px / 60px 3px,
    linear-gradient(90deg, rgba(0, 241, 170, 0.3), transparent) no-repeat 5px 56px / 110px 3px,
    radial-gradient(circle, var(--ct-mint) 4px, transparent 4px) no-repeat 0 6px,
    radial-gradient(circle, var(--ct-mint) 4px, transparent 4px) no-repeat 15px 22px,
    radial-gradient(circle, var(--ct-mint) 4px, transparent 4px) no-repeat 30px 38px,
    radial-gradient(circle, var(--ct-mint) 4px, transparent 4px) no-repeat 5px 54px;
  animation: dataFlow 3s ease-in-out infinite;
  z-index: 2;
}

@keyframes dataFlow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Dot grid / variant matrix */
.email-case-study .pillar-card .visual-dotgrid {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 70px;
  height: 70px;
  background: 
    radial-gradient(circle, var(--ct-mint) 5px, transparent 5px) no-repeat 0 0,
    radial-gradient(circle, rgba(0, 241, 170, 0.4) 5px, transparent 5px) no-repeat 24px 0,
    radial-gradient(circle, rgba(0, 241, 170, 0.2) 5px, transparent 5px) no-repeat 48px 0,
    radial-gradient(circle, rgba(0, 241, 170, 0.3) 5px, transparent 5px) no-repeat 0 24px,
    radial-gradient(circle, var(--ct-mint) 5px, transparent 5px) no-repeat 24px 24px,
    radial-gradient(circle, rgba(0, 241, 170, 0.5) 5px, transparent 5px) no-repeat 48px 24px,
    radial-gradient(circle, rgba(0, 241, 170, 0.6) 5px, transparent 5px) no-repeat 0 48px,
    radial-gradient(circle, rgba(0, 241, 170, 0.2) 5px, transparent 5px) no-repeat 24px 48px,
    radial-gradient(circle, var(--ct-mint) 5px, transparent 5px) no-repeat 48px 48px;
  z-index: 2;
}

/* Checkmarks */
.email-case-study .pillar-card .visual-checks {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 1.6rem;
  letter-spacing: 4px;
  color: var(--ct-mint);
  opacity: 0.4;
  z-index: 2;
}

.email-case-study .pillar-card.card-gradient .visual-checks {
  color: #012014;
  opacity: 0.25;
}

/* Target / bullseye */
.email-case-study .pillar-card .visual-target {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  z-index: 2;
}

.email-case-study .pillar-card .visual-target::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid rgba(0, 241, 170, 0.3);
  border-radius: 50%;
}

.email-case-study .pillar-card .visual-target::after {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  width: 36px;
  height: 36px;
  border: 2px solid rgba(0, 241, 170, 0.5);
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--ct-mint) 5px, transparent 5px);
}

/* Component blocks */
.email-case-study .pillar-card .visual-blocks {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 90px;
  height: 70px;
  background: 
    rgba(0, 241, 170, 0.4) no-repeat 0 0 / 40px 30px,
    rgba(0, 241, 170, 0.25) no-repeat 46px 0 / 40px 30px,
    rgba(0, 241, 170, 0.15) no-repeat 0 36px / 40px 30px,
    rgba(0, 241, 170, 0.3) no-repeat 46px 36px / 40px 30px;
  border-radius: 4px;
  z-index: 2;
}

/* Timeline / SLA clock */
.email-case-study .pillar-card .visual-clock {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border: 3px solid var(--ct-mint);
  border-radius: 50%;
  border-right-color: transparent;
  opacity: 0.5;
  z-index: 2;
}

/* Bar chart */
.email-case-study .pillar-card .visual-bars {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 60px;
  height: 50px;
  background: 
    rgba(0, 241, 170, 0.5) no-repeat 0 20px / 14px 30px,
    rgba(0, 241, 170, 0.3) no-repeat 18px 10px / 14px 40px,
    var(--ct-mint) no-repeat 36px 0 / 14px 50px;
  border-radius: 3px;
  z-index: 2;
}

/* ========================================
   TOOLS BAR (beneath grid)
   ======================================== */

.email-case-study .pillars-tools {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.email-case-study .pillars-tools span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ct-muted);
  letter-spacing: 0.02em;
}

.email-case-study .pillars-tools img {
  height: 20px;
  width: auto;
  transition: opacity 0.2s ease;
}

.email-case-study .pillars-tools img:hover {
  opacity: 0.8;
}

/* ========================================
   RESPONSIVE - TABLET
   ======================================== */

@media (max-width: 1024px) {
  .email-case-study .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .email-case-study .pillar-card.span-3,
  .email-case-study .pillar-card.span-4 {
    grid-column: span 2;
  }
}

/* ========================================
   RESPONSIVE - MOBILE
   ======================================== */

@media (max-width: 1024px) {
  .email-case-study .cs-title-sub {
    font-size: 3.4rem;
  }

  .email-case-study .cs-title-main {
    font-size: 1.7rem;
  }
}

@media (max-width: 767px) {
  .email-case-study .email-pillars {
    padding: 60px 20px;
    --pillar-padding: 24px;
  }
  
  .email-case-study .pillars-grid {
    grid-template-columns: 1fr;
  }

  .email-case-study .pillars-grid .pillar-card:nth-child(6) {
    order: 2;
  }

  .email-case-study .pillars-grid .pillar-card:nth-child(9) {
    order: 1;
  }
  
  .email-case-study .pillar-card.span-2,
  .email-case-study .pillar-card.span-3,
  .email-case-study .pillar-card.span-4 {
    grid-column: span 1;
  }
  
  .email-case-study .pillar-card.tall {
    grid-row: span 1;
  }
  
  .email-case-study .pillar-card {
    min-height: 180px;
  }
  
  .email-case-study .pillar-card.has-bg {
    min-height: 220px;
  }
  
  .email-case-study .pillars-tools {
    flex-wrap: wrap;
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .email-case-study .cs-hero .hero-supporting {
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 560px) {
  .email-case-study .cs-title-sub {
    font-size: 1.8rem;
  }

  .email-case-study .cs-title-main {
    font-size: 1.08rem;
    line-height: 1.35;
  }
}


/* ========================================
   SECTION 3: METRICS - DARK
   ======================================== */

.email-case-study .email-metrics {
  background: #0f0f0f;
  padding: 100px 40px;
}

.email-case-study .email-metrics .cs-container {
  max-width: 1000px;
  margin: 0 auto;
}

.email-case-study .email-metrics .section-label {
  display: block;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ct-mint);
  margin-bottom: 12px;
}

.email-case-study .email-metrics .section-heading {
  text-align: center;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
}

.email-case-study .email-metrics .section-text {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
  margin: 0 auto 48px;
  font-size: 1rem;
  line-height: 1.6;
}

/* Keep key section headings on an identical visual weight. */
.email-case-study .email-metrics .section-heading,
.email-case-study .email-pillars .section-heading {
  font-weight: 700 !important;
  font-variation-settings: "wght" 700;
}

/* Dark-on-light renders optically lighter than white-on-dark; compensate for parity. */
.email-case-study .email-pillars .section-heading {
  font-weight: 760 !important;
  font-variation-settings: "wght" 760;
}

/* Metrics Grid */
.email-case-study .metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.email-case-study .metric-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 32px 24px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.email-case-study .metric-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 241, 170, 0.3);
  transform: translateY(-4px);
}

.email-case-study .metric-card.highlight {
  background: linear-gradient(135deg, rgba(0, 241, 170, 0.12) 0%, rgba(50, 154, 153, 0.08) 100%);
  border-color: rgba(0, 241, 170, 0.25);
}

/* Visual icons */
.email-case-study .metric-card:nth-child(1)::before {
  content: '';
  position: absolute;
  top: 20px;
  right: 20px;
  width: 45px;
  height: 35px;
  background: 
    linear-gradient(to right, var(--ct-mint), transparent) no-repeat 0 0 / 35px 6px,
    linear-gradient(to right, rgba(0, 241, 170, 0.5), transparent) no-repeat 5px 12px / 25px 6px,
    linear-gradient(to right, rgba(0, 241, 170, 0.3), transparent) no-repeat 0 24px / 40px 6px;
}

.email-case-study .metric-card:nth-child(2)::before {
  content: '';
  position: absolute;
  top: 16px;
  right: 22px;
  width: 28px;
  height: 45px;
  border: 2px solid var(--ct-mint);
  border-radius: 5px;
  opacity: 0.5;
}

.email-case-study .metric-card:nth-child(2)::after {
  content: '';
  position: absolute;
  top: 50px;
  right: 30px;
  width: 12px;
  height: 3px;
  background: var(--ct-mint);
  border-radius: 2px;
  opacity: 0.5;
}

.email-case-study .metric-card:nth-child(3)::before {
  content: '';
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border: 2px solid rgba(0, 241, 170, 0.4);
  border-radius: 50%;
}

.email-case-study .metric-card:nth-child(3)::after {
  content: '';
  position: absolute;
  top: 28px;
  right: 28px;
  width: 16px;
  height: 16px;
  background: var(--ct-mint);
  border-radius: 50%;
  opacity: 0.6;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 0.9; }
}

.email-case-study .metric-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ct-mint);
  margin-bottom: 12px;
}

.email-case-study .metric-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.email-case-study .metric-note {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.5;
}


/* ========================================
   SECTION 4: TEMPLATES - NOW MERGED WITH PILLARS
   This section can be removed from HTML or kept minimal
   ======================================== */

.email-case-study .email-templates {
  display: none; /* Section merged into pillars bento grid */
}


/* ========================================
   SECTION 5: ROLLOUT - DO NOT CHANGE
   (Keeping original styles intact)
   ======================================== */

/* ========================================
   SECTION 5: ROLLOUT - HORIZONTAL TIMELINE
   Background: Dark with gradient accent
   ======================================== */

.email-case-study .rollout-section {
  background: linear-gradient(180deg, #0f0f0f 0%, #1a1a1a 100%);
  padding: 100px 40px;
  position: relative;
  overflow: hidden;
}

/* Subtle gradient accent line at top */
.email-case-study .rollout-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--ct-mint), var(--ct-teal), transparent);
}

.email-case-study .rollout-section .cs-container {
  max-width: 1100px;
  margin: 0 auto;
}

.email-case-study .rollout-header {
  text-align: center;
  margin-bottom: 60px;
}

.email-case-study .rollout-section .section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ct-mint);
  margin-bottom: 12px;
}

.email-case-study .rollout-section .section-heading {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
}

.email-case-study .rollout-intro {
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.6;
}

/* Horizontal Timeline */
.email-case-study .rollout-timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  position: relative;
  align-items: stretch;
}

/* Connecting line across the top */
.email-case-study .rollout-timeline::before {
  content: '';
  position: absolute;
  top: 35px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--ct-mint), var(--ct-teal), rgba(255,255,255,0.2));
}

.email-case-study .timeline-wave {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
}

.email-case-study .wave-marker {
  position: relative;
  margin-bottom: 24px;
}

.email-case-study .wave-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--ct-mint) 0%, var(--ct-teal) 100%);
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 700;
  color: #012014;
  position: relative;
  z-index: 2;
  box-shadow: 0 8px 24px rgba(0, 241, 170, 0.3);
}

.email-case-study .wave-line {
  display: none;
}

.email-case-study .wave-content {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 24px 20px;
  width: 100%;
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.email-case-study .wave-content:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 241, 170, 0.3);
}

.email-case-study .wave-header {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
}

.email-case-study .wave-region {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ct-mint);
}

.email-case-study .wave-phase {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.4);
}

.email-case-study .wave-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 8px 0;
}

.email-case-study .wave-description {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 16px 0;
  line-height: 1.5;
}

.email-case-study .wave-outcomes {
  display: inline-grid;
  grid-template-columns: repeat(2, auto);
  gap: 8px;
  margin-top: auto;
  align-self: center;
}

.email-case-study .wave-outcomes .outcome:last-child {
  grid-column: span 2;
  justify-self: center;
}

.email-case-study .outcome {
  background: rgba(0, 241, 170, 0.1);
  border-radius: 8px;
  padding: 8px 12px;
  width: auto;
  text-align: center;
}

.email-case-study .outcome-label {
  display: block;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.4);
}

.email-case-study .outcome-value {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ct-mint);
}

/* Rollout Responsive - Tablet */
@media (max-width: 900px) {
  .email-case-study .rollout-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  
  .email-case-study .rollout-timeline::before {
    display: none;
  }
}

/* Rollout Responsive - Mobile */
@media (max-width: 767px) {
  .email-case-study .rollout-section {
    padding: 60px 20px;
  }
  
  .email-case-study .rollout-timeline {
    grid-template-columns: 1fr;
  }

  .email-case-study .wave-number {
    width: 56px;
    height: 56px;
    font-size: 1rem;
  }

  .email-case-study .wave-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin-bottom: 16px;
  }

  .email-case-study .wave-region,
  .email-case-study .wave-phase {
    white-space: nowrap;
    text-align: center;
  }
}


/* ========================================
   SECTION 6: CONSIDERATIONS
   ======================================== */

.email-case-study .email-considerations {
  background: var(--ct-light);
  padding: 100px 40px;
}

.email-case-study .email-considerations .cs-container {
  max-width: 1000px;
  margin: 0 auto;
}

.email-case-study .email-considerations .section-label {
  display: block;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ct-teal);
  margin-bottom: 12px;
}

.email-case-study .email-considerations .section-heading {
  text-align: center;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--ct-dark);
  margin-bottom: 48px;
}

.email-case-study .considerations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.email-case-study .consideration-card {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 20px;
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.email-case-study .consideration-card:hover {
  border-color: var(--ct-mint);
  box-shadow: 0 12px 40px rgba(0, 241, 170, 0.1);
  transform: translateY(-2px);
}

.email-case-study .consideration-card:nth-child(1)::before {
  content: '';
  position: absolute;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  background: var(--ct-mint);
  opacity: 0.15;
  border-radius: 50%;
}

.email-case-study .consideration-card:nth-child(2)::before {
  content: '✓';
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 2rem;
  color: var(--ct-mint);
  opacity: 0.25;
}

.email-case-study .consideration-card:nth-child(3)::before {
  content: '';
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--ct-mint) 0%, var(--ct-teal) 100%);
  opacity: 0.2;
  border-radius: 8px;
}

.email-case-study .consideration-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ct-dark);
  margin: 0 0 16px 0;
}

.email-case-study .consideration-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.email-case-study .consideration-card li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  color: var(--ct-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}

.email-case-study .consideration-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--ct-mint);
  border-radius: 50%;
}


/* ========================================
   SECTION 7: RESULTS - HBO MAX STYLE
   Aligned with other case studies
   ======================================== */

.email-case-study .cs-results {
  background: #0f0f0f;
  padding: 100px 40px;
  position: relative;
}

/* Subtle radial gradient accent */
.email-case-study .cs-results::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 800px;
  height: 300px;
  background: radial-gradient(ellipse at center top, rgba(0, 241, 170, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.email-case-study .cs-results .cs-container {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.email-case-study .cs-results .section-title2 {
  color: #ffffff;
  text-align: center;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.email-case-study .results-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

.email-case-study .results-intro p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1rem;
  line-height: 1.6;
}

.email-case-study .results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.email-case-study .result-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 40px 28px;
  text-align: center;
  transition: all 0.3s ease;
}

.email-case-study .result-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 241, 170, 0.3);
  transform: translateY(-4px);
}

.email-case-study .result-card.major {
  background: linear-gradient(135deg, rgba(0, 241, 170, 0.15) 0%, rgba(50, 154, 153, 0.1) 100%);
  border-color: rgba(0, 241, 170, 0.3);
}

.email-case-study .result-visual {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: 16px;
}

.email-case-study .result-number {
  font-size: clamp(3rem, 5vw, 4rem);
  font-weight: 700;
  color: #ffffff;
  line-height: 1;
}

.email-case-study .result-card.major .result-number {
  background: linear-gradient(135deg, var(--ct-mint) 0%, var(--ct-teal) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.email-case-study .result-symbol {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--ct-mint);
  margin-left: 4px;
}

.email-case-study .result-label {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.email-case-study .result-detail {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.5;
}


/* ========================================
   SECTION 8: RELATED
   ======================================== */

.email-case-study .cs-related {
  background: var(--ct-light);
  padding: 80px 40px;
}

.email-case-study .cs-related .cs-container {
  max-width: 900px;
  margin: 0 auto;
}

.email-case-study .cs-related .section-title2 {
  color: var(--ct-dark);
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 40px;
}

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

.email-case-study .related-card {
  text-decoration: none;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.email-case-study .related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--ct-mint);
}

.email-case-study .related-image {
  height: 140px;
  background: linear-gradient(135deg, rgba(0, 241, 170, 0.1) 0%, rgba(50, 154, 153, 0.1) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.email-case-study .related-placeholder {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ct-teal);
}

.email-case-study .related-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ct-dark);
  margin: 0;
  padding: 20px 24px 8px;
}

.email-case-study .related-card p {
  font-size: 0.85rem;
  color: var(--ct-muted);
  margin: 0;
  padding: 0 24px 24px;
  line-height: 1.5;
}


/* ========================================
   RESPONSIVE - TABLET
   ======================================== */

@media (max-width: 1024px) {
  .email-case-study .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .email-case-study .pillar-card:nth-child(1) {
    grid-column: span 2;
  }
  
  .email-case-study .templates-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .email-case-study .template-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 1;
    min-height: 280px;
  }
  
  .email-case-study .template-item:nth-child(n) {
    grid-column: span 1;
  }
  
  .email-case-study .template-item:nth-child(1) {
    grid-column: span 2;
  }
}


/* ========================================
   RESPONSIVE - MOBILE
   ======================================== */

@media (max-width: 767px) {
  .email-case-study,
  .email-case-study .case-study,
  .email-case-study .cs-hero {
    overflow-x: hidden;
    overflow-x: clip;
    width: 100%;
    max-width: 100%;
  }

  .email-case-study .cs-hero {
    min-height: 100vh;
    min-height: 100svh;
    min-height: 100dvh;
    height: auto;
    overflow-x: hidden;
    overflow-y: visible;
  }

  .email-case-study .cs-hero-content,
  .email-case-study .hero-scope {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .email-case-study .cs-hero-content {
    padding: 0px 24px calc(156px + env(safe-area-inset-bottom, 0px));
  }
  
  .email-case-study .cs-title-sub {
    font-size: 2.3rem;
    line-height: 1.08;
  }
  
  .email-case-study .cs-title-main {
    font-size: 1.3rem;
  }
  
  .email-case-study .hero-scope {
    flex-direction: column;
    gap: 16px;
    padding: 18px 24px calc(22px + env(safe-area-inset-bottom, 0px));
    align-items: center;
  }

  .email-case-study .scope-value {
    font-size: 1.1rem;
    line-height: 1.25;
  }

  .email-case-study .scope-label {
    font-size: 0.62rem;
    letter-spacing: 0.07em;
  }
  
  .email-case-study .pillars-grid {
    grid-template-columns: 1fr;
  }
  
  .email-case-study .pillar-card:nth-child(1) {
    grid-column: span 1;
  }
  
  .email-case-study .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .email-case-study .templates-grid {
    grid-template-columns: 1fr;
  }
  
  .email-case-study .template-item:nth-child(n) {
    grid-column: span 1;
    min-height: 160px;
  }
  
  .email-case-study .template-item:nth-child(1),
  .email-case-study .template-item:nth-child(4) {
    min-height: 220px;
  }
  
  .email-case-study .considerations-grid {
    grid-template-columns: 1fr;
  }
  
  .email-case-study .results-grid {
    grid-template-columns: 1fr;
  }
  
  .email-case-study .related-grid {
    grid-template-columns: 1fr;
  }
  
  .email-case-study .email-pillars,
  .email-case-study .email-metrics,
  .email-case-study .email-templates,
  .email-case-study .email-considerations,
  .email-case-study .cs-results,
  .email-case-study .cs-related {
    padding: 60px 20px;
  }
}

@media (max-width: 767px) {
  .is-samsung-device .email-case-study .cs-hero-content {
    margin-top: var(--ct-samsung-hero-shift, 0px);
    zoom: var(--ct-samsung-hero-zoom, 1);
  }
}

/* ========================================
   NEW: SCROLL CUE - Inside the System
   ======================================== */

.email-case-study .system-intro {
  background: transparent;
  padding: 60px 40px;
  position: relative;
  margin-top: -60px;
  z-index: 2;
}

.email-case-study .system-intro .cs-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Inner version (inside pillars section) */
.email-case-study .system-intro-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 0 100px;
  position: relative;
}

/* Horizontal lines for inner version */
.email-case-study .system-intro-inner::before,
.email-case-study .system-intro-inner::after {
  content: '';
  position: absolute;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ct-teal), transparent);
  opacity: 0.3;
}

.email-case-study .system-intro-inner::before {
  left: 0;
  right: calc(50% + 120px);
}

.email-case-study .system-intro-inner::after {
  left: calc(50% + 120px);
  right: 0;
}

/* Scroll cue box */
.email-case-study .scroll-cue-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(116, 96, 82, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 10px;
  padding: 14px 28px;
  position: relative;
  z-index: 2;
}

.email-case-study .scroll-cue-box .cue-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  animation: scrollPulse 2s ease-in-out infinite;
}

.email-case-study .scroll-cue-box .cue-icon svg {
  width: 18px;
  height: 18px;
  stroke: #ded9d2;
  stroke-width: 2;
  fill: none;
}

.email-case-study .scroll-cue-box .cue-icon svg:last-child {
  opacity: 0.4;
  margin-top: -10px;
}

@keyframes scrollPulse {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(4px); opacity: 0.7; }
}

.email-case-study .scroll-cue-box span {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #f0ece7;
}


/* ========================================
   NEW: SYSTEM DIAGRAM SECTION
   ======================================== */

.email-case-study .system-diagram-section {
  background: transparent;
  padding: 60px 40px 100px;
  position: relative;
}

/* Inner version (inside pillars section) */
.email-case-study .system-diagram-inner {
  padding: 0 0 40px;
  position: relative;
}

.email-case-study .system-diagram-section .cs-container,
.email-case-study .system-diagram-inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* Section header */
.email-case-study .system-diagram-section .section-header,
.email-case-study .system-diagram-inner .section-header {
  text-align: center;
  margin-bottom: 64px;
}

.email-case-study .system-diagram-section .section-label,
.email-case-study .system-diagram-inner .section-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ct-teal);
  margin-bottom: 16px;
}

.email-case-study .system-diagram-section .section-heading,
.email-case-study .system-diagram-inner .section-subheading {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--ct-dark);
  margin: 0 0 16px 0;
  letter-spacing: -0.02em;
}

.email-case-study .system-diagram-section .section-text,
.email-case-study .system-diagram-inner .section-text {
  color: var(--ct-muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.6;
}


/* ========================================
   FLOW DIAGRAM
   Inputs → Operating Layer → Outputs
   ======================================== */

.email-case-study .flow-diagram {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  gap: 40px;
  align-items: center;
  margin-bottom: 64px;
  position: relative;
}

/* Flow arrows */
.email-case-study .flow-diagram::before,
.email-case-study .flow-diagram::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 32px;
  height: 2px;
  background: var(--ct-dark);
  opacity: 0.12;
}

.email-case-study .flow-diagram::before {
  left: 200px;
  transform: translateX(20px);
}

.email-case-study .flow-diagram::after {
  right: 200px;
  transform: translateX(-20px);
}

/* Arrow heads */
.email-case-study .flow-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 7px solid rgba(15, 15, 15, 0.15);
}

.email-case-study .flow-arrow.arrow-left {
  left: 240px;
}

.email-case-study .flow-arrow.arrow-right {
  right: 212px;
}


/* INPUTS COLUMN */
.email-case-study .flow-inputs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.email-case-study .flow-inputs-label {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 8px;
}

.email-case-study .input-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f5f5f3;
  border-radius: 10px;
  padding: 12px 14px;
}

.email-case-study .input-icon {
  width: 32px;
  height: 32px;
  background: var(--ct-dark);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.email-case-study .input-icon span {
  font-size: 0.55rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.email-case-study .input-text {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ct-dark);
}


/* OPERATING LAYER (CENTER) */
.email-case-study .flow-system {
  background: linear-gradient(180deg, #fafaf9 0%, #f5f5f3 100%);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 20px;
  padding: 32px;
  position: relative;
}

.email-case-study .system-header {
  text-align: center;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.email-case-study .system-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ct-dark);
  color: #ffffff;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 8px 14px;
  border-radius: 6px;
  margin-bottom: 14px;
}

.email-case-study .system-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--ct-mint);
  border-radius: 50%;
}

.email-case-study .system-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ct-dark);
  margin: 0;
}

/* Constraints grid */
.email-case-study .system-constraints {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.email-case-study .constraint {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  transition: all 0.2s ease;
}

.email-case-study .constraint:hover {
  border-color: rgba(0, 241, 170, 0.25);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.email-case-study .constraint-icon {
  width: 32px;
  height: 32px;
  margin: 0 auto 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.email-case-study .constraint-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--ct-teal);
  stroke-width: 1.5;
  fill: none;
}

.email-case-study .constraint h4 {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ct-dark);
  margin: 0 0 4px 0;
}

.email-case-study .constraint p {
  font-size: 0.65rem;
  color: var(--ct-muted);
  margin: 0;
  line-height: 1.3;
}


/* OUTPUTS COLUMN */
.email-case-study .flow-outputs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.email-case-study .flow-outputs-label {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 8px;
  text-align: right;
}

.email-case-study .output-item {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background: rgba(116, 96, 82, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 12px 14px;
}

.email-case-study .output-text {
  font-size: 0.75rem;
  font-weight: 600;
  color: #f0ece7;
  text-align: right;
}

.email-case-study .output-icon {
  width: 32px;
  height: 32px;
  background: var(--ct-mint);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.email-case-study .output-icon svg {
  width: 16px;
  height: 16px;
  stroke: #012014;
  stroke-width: 2;
  fill: none;
}


/* ========================================
   SCALE BAR
   ======================================== */

.email-case-study .scale-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  background: #f5f5f3;
  border-radius: 16px;
  padding: 24px 40px;
  margin-bottom: 48px;
}

.email-case-study .scale-item {
  text-align: center;
}

.email-case-study .scale-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ct-dark);
  line-height: 1;
}

.email-case-study .scale-value.highlight {
  font-size: 1.3rem;
  color: var(--ct-teal);
}

.email-case-study .scale-label {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--ct-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.email-case-study .scale-arrow {
  color: var(--ct-muted);
  font-size: 1.1rem;
  opacity: 0.4;
}

.email-case-study .scale-equals {
  color: var(--ct-muted);
  font-size: 1.4rem;
  font-weight: 300;
  opacity: 0.4;
}


/* ========================================
   CONSIDERATIONS BAR (NEW - in diagram section)
   ======================================== */

.email-case-study .considerations-bar-new {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.email-case-study .consideration-pill {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all 0.2s ease;
}

.email-case-study .consideration-pill:hover {
  border-color: rgba(0, 241, 170, 0.2);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.email-case-study .consideration-pill-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgba(0, 241, 170, 0.1) 0%, rgba(50, 154, 153, 0.06) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.email-case-study .consideration-pill-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--ct-teal);
  stroke-width: 1.5;
  fill: none;
}

.email-case-study .consideration-pill-content h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ct-dark);
  margin: 0 0 4px 0;
}

.email-case-study .consideration-pill-content p {
  font-size: 0.75rem;
  color: var(--ct-muted);
  margin: 0;
  line-height: 1.4;
}


/* ========================================
   RESPONSIVE - SYSTEM DIAGRAM
   ======================================== */

@media (max-width: 1024px) {
  .email-case-study .flow-diagram {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .email-case-study .flow-diagram::before,
  .email-case-study .flow-diagram::after,
  .email-case-study .flow-arrow {
    display: none;
  }
  
  .email-case-study .flow-inputs,
  .email-case-study .flow-outputs {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .email-case-study .flow-inputs-label,
  .email-case-study .flow-outputs-label {
    width: 100%;
    text-align: center;
  }
  
  .email-case-study .output-item {
    justify-content: flex-start;
  }
  
  .email-case-study .output-text {
    text-align: left;
  }
  
  .email-case-study .scale-bar {
    flex-wrap: wrap;
    gap: 16px;
  }
  
  .email-case-study .considerations-bar-new {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .email-case-study .system-intro {
    padding: 40px 20px;
  }
  
  .email-case-study .system-intro::before,
  .email-case-study .system-intro::after {
    display: none;
  }
  
  .email-case-study .system-diagram-section {
    padding: 60px 20px;
  }
  
  .email-case-study .system-constraints {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  .email-case-study .constraint {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    padding: 14px 16px;
  }
  
  .email-case-study .constraint-icon {
    margin: 0;
  }
  
  .email-case-study .scale-bar {
    padding: 20px;
  }
  
  .email-case-study .scale-value {
    font-size: 1.4rem;
  }
  
  .email-case-study .scale-value.highlight {
    font-size: 1rem;
  }
  
  .email-case-study .consideration-pill {
    padding: 20px;
  }
}