:root {
  /* Base Colors */
  --black: #000000;
  --white: #ffffff;
  
  /* Gray Scale (6 levels: 3 light + 3 dark) */
  --gray-50: #f5f5f5;   /* lightest backgrounds */
  --gray-75: #eaeaea;   /* lightest backgrounds */
  --gray-100: #e0e0e0;  /* borders, dividers */
  --gray-200: #cccccc;  /* disabled states, light text */
  --gray-300: #666666;  /* secondary text, medium contrast */
  --gray-400: #404040;  /* body text, headings */
  --gray-500: #1a1a1a;  /* darkest backgrounds, near black */
  
  /* Primary Scale */
  --primary: #4a9eff;       /* primary color */
  --primary-dark: #0014c4;  /* dark primary */
  --primary-accent: #303dd1; /* accent primary - used in stats */
  
  /* Font Families */
  --font-primary: "Bebas Neue", sans-serif;
  --font-secondary: "Lexend", "Helvetica Neue", Helvetica, sans-serif;
  
  /* Font Sizes */
  --font-size-xs: 10px;
  --font-size-base: 14px;
  --font-size-md: 18px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-2xl: 30px;
  --font-size-3xl: 45px;
  --font-size-4xl: 60px;
  --font-size-5xl: 72px;
  --font-size-6xl: 128px;
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;
  
  /* Line Heights */
  --line-height-tight: 0.7;
  --line-height-normal: 1.0;
  --line-height-loose: 1.4;
  --line-height-extra-loose: 1.8;
  
  /* Letter Spacing */
  --letter-spacing-normal: 0;
  
  /* Spacing */
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 30px;
  --spacing-4xl: 40px;
  --spacing-5xl: 60px;
  --spacing-6xl: 80px;
  --spacing-7xl: 100px;
  --spacing-8xl: 120px;
  --spacing-9xl: 200px;
  
  /* Border Radius */
  --radius-xs: 4px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 100%;
  
  /* Shadows */
  
  /* Transitions */
  --transition-normal: 0.3s ease;
}

/* ===========================================
   TYPOGRAPHY UTILITY CLASSES
   =========================================== */

/* Headers */
.header-6xl {
  font-size: var(--font-size-6xl);
  letter-spacing: var(--letter-spacing-normal);
  text-transform: uppercase;
  font-weight: var(--font-weight-extrabold);
}

.header-5xl {
  font-size: var(--font-size-5xl);
  letter-spacing: var(--letter-spacing-normal);
  text-transform: uppercase;
  font-weight: var(--font-weight-extrabold);
}

.header-4xl {
  font-family: var(--font-secondary);
  font-size: var(--font-size-4xl);
  line-height: var(--line-height-normal);
  letter-spacing: var(--letter-spacing-normal);
  font-weight: var(--font-weight-bold);
}

.header-4xl.primary { 
  font-family: var(--font-primary); 
  text-align: center;
}

.header-3xl {
  font-size: var(--font-size-3xl);
  text-transform: uppercase;
  line-height: var(--line-height-loose);
  font-weight: var(--font-weight-light);
}

.header-2xl {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-normal);
}

.header-xl {
  font-family: var(--font-secondary);
  font-size: var(--font-size-xl);
  line-height: var(--line-height-normal);
  font-weight: var(--font-weight-light);
}

.header-md {
  font-family: var(--font-secondary);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  font-weight: var(--font-weight-normal);
}

.header-lg {
  font-family: var(--font-secondary);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-normal);
  font-weight: var(--font-weight-normal);
}

/* Font Weight Utility Classes */
.font-weight-semibold {
  font-weight: var(--font-weight-semibold);
}

/* Body Text */
.body-base {
  font-size: var(--font-size-md);
  line-height: var(--line-height-extra-loose);
  font-weight: var(--font-weight-normal);
}

.body-sm {
  font-size: var(--font-size-base);
  line-height: var(--line-height-extra-loose);
  font-weight: var(--font-weight-normal);
}

.body-xs {
  font-size: var(--font-size-xs);
  line-height: var(--line-height-extra-loose);
  font-weight: var(--font-weight-normal);
}

/* Captions */
.caption-lg {
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-loose);
  letter-spacing: var(--letter-spacing-normal);
  text-transform: uppercase;
  font-weight: var(--font-weight-medium);
}

.caption-base { 
  font-family: var(--font-secondary);
  font-size: var(--font-size-xs);
  line-height: var(--line-height-loose);
  letter-spacing: var(--letter-spacing-normal);
  text-transform: uppercase;
  font-weight: var(--font-weight-medium);
}

/* Labels */
.label {
  display: inline-block;
  padding: 4px var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-normal);
  border-radius: 3px;
  line-height: 1.2;
}

.label.outline {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 20px;
}


html {
  scroll-behavior: smooth;
  height: 100%;
  margin: 0;
  padding: 0;
}


body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: var(--font-secondary);
  color: var(--black);
  width: 100%;
  overflow-x: hidden;
  background-color: var(--gray-50);
}

/* Light theme override */
body.light-theme {
  padding: 0;
  margin: 0;
  background-color: var(--gray-50);
  color: var(--gray-500);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-xl);
  z-index: 1000;
  box-sizing: border-box;
}

header a{
  color: var(--gray-400);
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  transition: color var(--transition-normal);
  margin-right: 15px;
}

header a:hover {
  color: var(--gray-300);
}


header .center {
  text-align: center;
  grid-column: 2;
}

/* Icon styling */
header i {
  margin-right: var(--spacing-sm);
  font-size: var(--font-size-base);
}

/* Main container */

/* Landing Page Section */
.landing-page {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  text-align: left;
  padding: var(--spacing-5xl) var(--spacing-xl);
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
  background-color: var(--black);
  background-image: 
    /* Larger, lighter grid (100px) */
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    /* Smaller, lighter grid (25px) */
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 100px 100px, 100px 100px, 25px 25px, 25px 25px;
  --grid-size: 24px;
  --grid-color: rgba(255, 255, 255, 0.06);
  --grid-strong-color: rgba(255, 255, 255, 0.12);
  --question-top: 20%;
}

.landing-page video,
.landing-page .landing-bg {
  position: absolute;
  top: 30%;
  left: 0;
  width: 100%;
  height: 70%;
  object-fit: cover;
  z-index: -3;
  filter: grayscale(100%);
}

/* Subtle positioning grid background */
.landing-page::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(
      to right,
      var(--grid-color) 0 1px,
      transparent 1px var(--grid-size)
    ),
    repeating-linear-gradient(
      to bottom,
      var(--grid-color) 0 1px,
      transparent 1px var(--grid-size)
    ),
    repeating-linear-gradient(
      to right,
      var(--grid-strong-color) 0 1px,
      transparent 1px calc(var(--grid-size) * 5)
    ),
    repeating-linear-gradient(
      to bottom,
      var(--grid-strong-color) 0 1px,
      transparent 1px calc(var(--grid-size) * 5)
    );
  background-size:
    var(--grid-size) var(--grid-size),
    var(--grid-size) var(--grid-size),
    calc(var(--grid-size) * 5) calc(var(--grid-size) * 5),
    calc(var(--grid-size) * 5) calc(var(--grid-size) * 5);
  background-position:
    0 0,
    0 var(--question-top),
    0 0,
    0 var(--question-top);
}

.landing-page .landing-page-question {
  position: absolute;
  top: var(--question-top);
  left: var(--spacing-xl);
  z-index: 1;
  text-align: left;
  text-transform: uppercase;
  font-size: clamp(18px, 3.5vh, 20px);
  color: var(--white);
  font-weight: 200;
  max-width: 45%;
  line-height: 1.4;
}

.landing-page-title {
  position: relative;
  z-index: 1;
  text-align: left;
  width: 100%;
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100vh;
  padding: var(--spacing-5xl) 0;
  box-sizing: border-box;
}

.main-title {
  font-family: var(--font-primary);
  font-size: clamp(48px, 8vw, 120px);
  line-height: 0.9;
  color: var(--white);
  margin-top: 0;
}

.title-line {
  display: block;
}

.subtitle {
  font-family: var(--font-secondary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-loose);
  color: var(--white);
  max-width: 600px;
  margin-bottom: 0;
  position: absolute;
  bottom: 0;
}

/* CTA Button */
.cta {
  color: var(--black);
  position: absolute;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 10;
  padding: var(--spacing-md) var(--spacing-lg);

}

.cta-icon {
  font-size: var(--spacing-2xl);
  line-height: 1;
}

.cta-text {
  font-size: var(--font-size-sm);
}

.cta:hover, .cta:focus { 
  color: var(--gray-400); 
  text-decoration: none; 
}

 .landing-page .cta {
   color: var(--white);
  }
  
  .landing-page .cta .title-cta {
    color: var(--white);
  }
  
  .landing-page .cta .cta-text {
    color: var(--white);
  }

.title-cta {
  justify-content: flex-end;
  font-family: var(--font-primary);
  color: var(--black); 
  right: var(--spacing-xl);
  bottom: var(--spacing-2xl);
  padding: 0;
  font-size: clamp(18px, 2.8vh, 26px);
  cursor: pointer;
  text-decoration: none;
}

/* Landing Context Section */
.landing-context {
  min-height: 100vh;
  position: relative;
  z-index: 10;
}

.landing-context-pin {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 10;
}

.landing-context video,
.landing-context .about-bg {
  position: absolute;
  height: 100%;
  width: 100%;
  left: 0;
  top: 0;
  object-fit: cover;
  z-index: -2;
  filter: grayscale(100%);
}

.landing-context .overlay {
  position: absolute;
  max-width: 840px;
  padding: var(--spacing-xl) var(--spacing-2xl);
  color: var(--white);
  background-color: transparent;
  z-index: 10;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 300ms ease, transform 300ms ease;
}

.landing-context .header-2xl {
  display: inline;
  top: 10%;
  padding: 0;
  left: var(--spacing-xl);
  right: auto;
  background-color: var(--black);
}

.landing-context #mid-note {
  position: absolute;
  top: 40%;
  transform: translateY(-50%);
  padding: 0;
  left: var(--spacing-xl);
  right: auto;
  background-color: var(--black);
  display: inline;
}

.landing-context .trend-card {
  bottom: 6%;
  left: 40px;
  width: 40%;
  max-width: none;
  background: var(--white);
  color: var(--black);
  backdrop-filter: blur(10px);
  padding: 24px 28px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.landing-context .trend-row {
  position: absolute;
  bottom: 6%;
  max-width: none;
  display: flex;
  gap: var(--spacing-lg);
  align-items: stretch;
  justify-content: space-between;
}

.landing-context .trend-row .trend-card {
  position: static;
  width: auto;
  flex: 1 1 0;
  max-width: none;
}

.landing-context .trend-card-content {
  flex: 1;
}

.landing-context .trend-card .trend-category {
  font-size: 14px;
  color: var(--black);
  font-weight: 500;
  margin-bottom: 20px;
  text-decoration: underline;
  text-decoration-color: var(--primary);
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.landing-context .trend-card h3 {
  text-transform: none;
  margin: 0 0 24px 0;
  font-size: clamp(22px, 3.5vh, 28px);
  color: var(--black);
  font-weight: 700;
  line-height: 1.3;
  font-family: var(--font-secondary);
}

.landing-context .trend-card p {
  margin: 0;
  font-size: 14px;
  color: #666666;
  line-height: 1.6;
}

/* Earth Intro Section */
.earth-intro-section {
  background: #000000;
  min-height: calc(100vh + 2000px);
  position: relative;
}

.earth-intro-pin {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 10;
}

.earth-bg {
  position: absolute;
  width: auto;
  height: 60%;
  max-width: 60%;
  object-fit: contain;
  z-index: 1;
  transition: filter 0.5s ease;
}

.earth-bg.blurred {
  filter: blur(10px);
}

.earth-map-overlay {
  position: absolute;
  width: auto;
  height: 85%;
  max-width: 85%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.5s ease;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
}

#earth-map-1 {
  z-index: 2;
}

#earth-map-2 {
  z-index: 3;
}

.earth-map-overlay.active {
  opacity: 1;
}

.earth-content-box {
  position: absolute;
  max-width: 450px;
  padding: var(--spacing-2xl) var(--spacing-3xl);
  color: var(--white);
  z-index: 10;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.earth-content-box.visible {
  opacity: 1;
  transform: translateY(0);
}

.earth-content-left {
  bottom: 5%;
  left: var(--spacing-xl);
}

.earth-content-right {
  bottom: 5%;
  right: var(--spacing-xl);
}

.earth-content-title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-light);
  color: var(--white);
}

.earth-content-subtitle {
  display: inline-block;
  font-family: var(--font-secondary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  padding: 4px var(--spacing-sm);
  margin-top: var(--spacing-lg);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-normal);
  border-radius: 3px;
  line-height: 1.2;
}

.earth-content-subtitle:first-child {
  margin-top: 0;
}

.earth-content-section {
  margin-bottom: var(--spacing-lg);
}

.earth-content-section:last-child {
  margin-bottom: 0;
}

.earth-content-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--font-secondary);
  font-size: 11px;
  line-height: 1.4;
  color: var(--gray-200);
  padding-left: var(--spacing-xl);
  position: relative;
}


.earth-content-list li:before {
  content: "•";
  position: absolute;
  left: var(--spacing-sm);
  color: var(--primary);
  font-weight: bold;
}

.earth-content-list li:last-child {
  margin-bottom: 0;
}

/* Workflow Section */
.workflow-section {
  background: var(--white);
  padding: var(--spacing-6xl) var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.workflow-header {
  width: 100%;
  max-width: 1400px;
  margin-bottom: var(--spacing-5xl);
  text-align: center;
}

.workflow-title {
  font-family: var(--font-primary);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--black);
  text-transform: lowercase;
  margin: 0;
}

.workflow-subtitle {
  font-family: var(--font-primary);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-light);
  color: var(--black);
  text-transform: lowercase;
  margin: 0;
}
.workflow-container {
  width: 100%;
  max-width: 1400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.workflow-image {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* How Might We Section */
.hmw-section {
  background: var(--gray-50);
  color: var(--black);
  display: flex;
  text-align: left; 
  justify-content: flex-start;
  font-family: var(--font-primary);
  padding: var(--spacing-6xl) var(--spacing-xl);
  position: relative;
  overflow: hidden;
  height: 80vh;
  box-sizing: border-box;
}

.hmw-bubbles-container {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-4xl) var(--spacing-xl);
  pointer-events: none;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-md);
}

.hmw-tags-prefix {
  font-family: var(--font-secondary);
  font-size: clamp(12px, 2.5vw, 18px);
  font-weight: var(--font-weight-bold);
  color: var(--black);
  white-space: nowrap;
}

.hmw-tags-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: center;
}

.hmw-tags-suffix {
  font-family: var(--font-secondary);
  font-size: clamp(12px, 2.5vw, 18px);
  font-weight: var(--font-weight-bold);
  color: var(--black);
  white-space: nowrap;
}

.hmw-file-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: #e8e8e8;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  font-family: var(--font-secondary);
  color: var(--black);
  white-space: nowrap;
  pointer-events: auto;
  width: auto;
}

.hmw-file-tag i {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.hmw-file-tag span {
  overflow: hidden;
  text-overflow: ellipsis;
}

.hmw-container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.hmw-container .header-xl {
  font-weight: var(--font-weight-light);
  text-transform: none;
  font-family: var(--font-secondary);
}

.hmw-container .header-3xl {
  font-weight: var(--font-weight-extrabold);
  text-transform: none;
  font-family: var(--font-secondary);
  margin: 0;
  line-height: 1;
}

.hmw-cta {
  position: absolute;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 3;
}

.map-community-section {
  background: var(--gray-500);
  padding: 200px var(--spacing-md) 200px var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: var(--spacing-sm);
  box-sizing: border-box;
}

.map-community-content {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: var(--spacing-4xl);
  box-sizing: border-box;
}

.map-community-section .header-3xl {
  color: var(--white);
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-light);
  text-transform: none;
  margin: 0;
  line-height: 1;
}

.map-community-cards {
  padding-top: var(--spacing-4xl);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-sm);
  width: 100%;
  box-sizing: border-box;
}

.map-community-card:nth-child(1) {
  grid-row: 1;
  grid-column: 1;
}

.map-community-card:nth-child(2) {
  grid-row: 1;
  grid-column: 2;
}

.map-community-card:nth-child(3) {
  grid-row: 1;
  grid-column: 3;
}

.map-community-card:nth-child(4) {
  grid-row: 2;
  grid-column: 4;
}

.map-community-card:nth-child(5) {
  grid-row: 2;
  grid-column: 5;
}

.map-community-card {
  background: var(--black);
  flex: 1;
  aspect-ratio: 1/1.5;
  min-width: 0;
  border-radius: 8px;
  padding: var(--spacing-lg);
  color: var(--white);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  box-sizing: border-box;
}

.map-community-card-content {
  color: var(--gray-300);
  font-size: var(--font-size-xs);
  flex: 1;
  padding-top: 60px;
}

.map-community-card .labels {
  margin-top: auto;
  padding-top: var(--spacing-md);
}

.map-community-card .label {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: var(--white);
}

.map-community-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  width: 100%;
  gap: var(--spacing-sm);
  box-sizing: border-box;
  align-items: flex-start;
  margin-top: var(--spacing-4xl);
}

.map-community-list-left {
  grid-column: 1 / 4;
  display: flex;
  align-items: flex-start;
  padding-right: var(--spacing-6xl);
}

.map-community-list-headline {
  font-family: var(--font-secondary);
  font-size: clamp(32px, 5vw, 44px);
  font-weight: var(--font-weight-light);
  line-height: 1.2;
  text-align: left;
}

.map-community-list-headline .headline-gray {
  color: var(--gray-300);
}

.map-community-list-headline .headline-white {
  color: var(--white);
}

.map-community-list-right {
  grid-column: 4 / 6;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

.map-community-list-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.map-community-list-item-title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  color: var(--white);
  text-align: left;
}

.map-community-list-item-content {
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  text-align: left;
}

.map-community-list-item-content p {
  margin: 0 0 var(--spacing-md) 0;
  color: rgba(255, 255, 255, 0.8);
}

.map-community-list-item-content p:last-child {
  margin-bottom: 0;
}


/* Research Page Two-Column Layout */
.research-main {
  display: flex;
  height: 100vh;
  padding-top: var(--spacing-6xl);
  box-sizing: border-box;
}

.left-fixed-section {
  position: fixed;
  left: 0;
  top: 60px;
  width: 40%;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  z-index: 10;
  padding: var(--spacing-xl);
  box-sizing: border-box;
  height: 100vh;
}

.fixed-content {
  max-width: 90%;
}

.fixed-sentence .highlight {
  color: var(--white);
}

.right-gallery-section {
  font-size: var(--font-size-lg);
  width: 70%;
  margin-left: 40%;
  overflow-y: auto;
  padding-right: var(--spacing-xl);
  box-sizing: border-box;
}

.right-gallery-section .gallery-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4xl);
  padding: 0;
  margin: 0;
  max-width: none;
}

/* Fishing Community (Light Layout) */
.fc-hero {
  padding-top: 120px;
  padding-left: var(--spacing-xl);
  padding-right: var(--spacing-xl);
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.fc-hero-headline {
  font-size: clamp(32px, 7.5vw, 96px);
  font-family: var(--font-primary);
  padding-bottom: var(--spacing-4xl);
  color: var(--gray-500);
  margin: 0 0 var(--spacing-4xl) 0;
}

.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: var(--spacing-5xl);
  row-gap: var(--spacing-3xl);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl) var(--spacing-xl) var(--spacing-xl);
}

.feature {
  border-top: 1px solid var(--gray-100);
  padding-top: 18px;
}

.feature p {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-light);
  line-height: 1.7;
}

.feature .header-xl {
  font-family: var(--font-secondary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-normal);
  color: var(--gray-500);
}

/* Stats Section */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-4xl);
  max-width: 1400px;
  margin: var(--spacing-6xl) auto;
  padding: 0 var(--spacing-xl);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-sm);
  
}

.stat .header-2xl {
  font-family: var(--font-primary);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  color: var(--gray-500);
}

.stat .plus {
  display: inline-block;
  color: var(--primary);
}

.stat .caption-base {
  color: var(--gray-300);
  margin-top: var(--spacing-sm);
}

.fc-label {
  display: inline-block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-normal);
  color: var(--gray-500);
  border: 1px solid var(--black);
  padding: 10px var(--spacing-xl);
  border-radius: 999px;
  background: var(--white);
}

.list {
  max-width: 1400px;
  margin: 0 auto var(--spacing-8xl);
  padding: 0 var(--spacing-xl);
  margin-top: 30px;
}

/* Remove gap between consecutive lists within list-light section */
.list-light .list {
  margin: 0 auto;
}

.list-row {
  display: grid;
  grid-template-columns: 80px 1fr auto 1fr 30px;
  align-items: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--gray-100);
}

.list-row:first-child {
  border-top: none;
}

.list-row-labels {
  justify-self: center;
}

.toggle {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-500);
  background: transparent;
  color: var(--gray-500);
  cursor: pointer;
  position: relative;
  grid-column: 5;
  justify-self: end;
}

.toggle:focus {
  outline: none;
}

.toggle::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translate(-50%, -60%) rotate(45deg);
  transition: transform var(--transition-normal);
}

.list-row.open .toggle::before {
  transform: translate(-50%, -40%) rotate(-135deg);
}

.list-row-content {
  font-size: var(--font-size-sm);
  display: none;
  grid-column: 2 / -1;
}

.list-row-content p {
  font-size: var(--font-size-base);
  width: 60%;
  line-height: 1.2;
  padding-left: 130px;
  margin-bottom: 30px;
}

.list-row.open + .list-row-content {
  display: block;
}

.list-header {
  color: var(--black);
  padding-top: 100px;
  padding-bottom: var(--spacing-2xl);
  font-size: var(--font-size-2xl);
}

/* Product Sections */
.product-sections {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-4xl) var(--spacing-xl);
}

.product-section {
  border-top: 1px solid var(--gray-100);
  padding: var(--spacing-4xl) 0;
  position: relative;
}

.product-section:first-child {
  border-top: none;
  padding-top: var(--spacing-2xl);
}

.product-section:last-child {
  padding-bottom: var(--spacing-2xl);
}

.product-header {
  display: grid;
  font-size: var(--font-size-xl);
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.product-header .caption-base {
  color: var(--gray-300);
  font-weight: var(--font-weight-medium);
}

.product-header .body-sm {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-normal);
  color: var(--gray-500);
  letter-spacing: 0.2px;
  font-family: var(--font-secondary);
}

.product-header .label {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid var(--gray-200);
  color: var(--gray-500);
  padding: 8px var(--spacing-lg);
  border-radius: 20px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.product-content {
  padding-left: 130px;
  max-width: 900px;
  animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.product-content p {
  font-size: var(--font-size-md);
  line-height: 1.8;
  color: var(--gray-400);
  margin: 0 0 var(--spacing-xl) 0;
  font-weight: var(--font-weight-light);
  letter-spacing: 0.2px;
}

.product-content p:last-child {
  margin-bottom: 0;
}

.product-content .content-image {
  margin-top: var(--spacing-3xl);
  border-radius: var(--radius-xs);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.list-light {
  color: var(--gray-500);
  padding: var(--spacing-4xl) var(--spacing-xl);
}

.list-light .list {
  padding-left: 400px;
}

.list-light .list-row-content,
.list-light .list-row-content p {
  color: var(--gray-500);
}

.list-light .fc-label {
  color: var(--gray-500);
  background: transparent;
  border-color: var(--gray-500);
}

.list-light .toggle {
  border-color: var(--gray-500);
  color: var(--gray-500);
}

.list-light .toggle::before {
  border-right-color: var(--gray-500);
  border-bottom-color: var(--gray-500);
}

/* ===========================================
   REUSABLE COMPONENTS
   =========================================== */

/* Cards */
.grey-card {
  position: relative;
  width: 360px;
  height: 600px;
  background: linear-gradient(145deg, var(--primary-dark), var(--primary-dark));
  border-radius: var(--radius-lg);
  box-shadow: 
    0 30px 80px rgba(0, 20, 196, 0.4),
    0 15px 40px rgba(0, 10, 128, 0.3),
    inset 0 1px 0 rgba(100, 140, 255, 0.2);
  transition: all var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  transform-style: preserve-3d;
  transform: rotateX(-15deg) rotateY(25deg) rotateZ(-5deg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4xl);
}

.grey-card.hovered {
  transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg) scale(1.05);
  background: linear-gradient(145deg, var(--gray-100), var(--gray-100));
  box-shadow: 
    0 40px 100px rgba(0, 0, 0, 0.4),
    0 20px 50px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.grey-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(255,255,255,0.05) 0%, 
    rgba(255,255,255,0) 40%, 
    rgba(0,0,0,0.2) 100%);
  border-radius: var(--radius-lg);
  pointer-events: none;
  transition: all var(--transition-normal);
}

.grey-card.hovered::before {
  background: linear-gradient(135deg, 
    rgba(255,255,255,0.4) 0%, 
    rgba(255,255,255,0) 40%, 
    rgba(0,0,0,0.1) 100%);
}

.grey-card::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  right: 2px;
  bottom: 2px;
  background: linear-gradient(145deg, 
    rgba(255,255,255,0.1) 0%, 
    rgba(255,255,255,0) 50%);
  border-radius: 22px;
  pointer-events: none;
  opacity: 0.3;
  transition: all var(--transition-normal);
}

.grey-card.hovered::after {
  background: linear-gradient(145deg, 
    rgba(255,255,255,0.5) 0%, 
    rgba(255,255,255,0) 50%);
  opacity: 0.6;
}

.card-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--white);
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10;
  position: relative;
}

.grey-card.hovered .card-text {
  opacity: 1;
  transform: translateY(0);
  color: var(--gray-500);
}

/* Responsive Cards */
.responsive-card {
  position: relative;
  min-height: 240px;
  border-radius: 40px;
  padding: var(--spacing-2xl);
  overflow: hidden;
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--spacing-md);
}



.responsive-card .header-xl {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-light);
  color: #1e1d2a;
  margin: 0;
  opacity: 1;
  transform: none;
}

.responsive-card-description {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-light);
  line-height: 1.5;
  color: #1e1d2a;
  position: relative;
  top: auto;
  left: auto;
  transform: none;
  width: 100%;
  text-align: left;
  opacity: 1;
  z-index: 1;
  margin: 0;
  margin-top: auto;
}


/* Photo Cards */
.photo-card {
  width: 400px;
  height: 800px;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateY(-15deg) rotateX(5deg);
  transition: all var(--transition-normal) cubic-bezier(0.23, 1, 0.32, 1);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.photo-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--black);
  z-index: 2;
  transition: opacity var(--transition-normal);
  opacity: 1;
  border-radius: var(--radius-md);
}

.photo-card:hover::before {
  opacity: 0;
}

.photo-card-background {
  width: 100%;
  height: 100%;
  background-image: url('./Photo/Extended_Reality/vr2.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: var(--radius-md);
  transform: scale(1.1);
  transition: transform var(--transition-normal);
  position: relative;
}


.photo-card:hover {
  transform: rotateY(0deg) rotateX(0deg) scale(1.05);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.photo-card:hover .photo-card-background {
  transform: scale(1);
}

.photo-card:hover .photo-card-background::after {
  left: 150%;
}

.photo-card:hover::after {
  opacity: 0.3;
}

/* Gallery Cards */
.gallery-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 15px;
  align-items: center;
  position: relative;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  opacity: 0;
  transform: translateY(20px);
}

.gallery-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.gallery-thumb {
  width: 200px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-xs);
  filter: grayscale(100%);
  transition: filter 0.25s ease;
}

.gallery-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.gallery-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--gray-500);
  margin: 0;
}

.gallery-caption {
  font-size: var(--font-size-base);
  color: var(--gray-300);
  margin: 0;
}



.gallery-card:hover .gallery-title,
.gallery-card:hover .gallery-caption {
  color: var(--white) !important;
}

a.gallery-card {
  text-decoration: none;
  color: inherit;
}

.landing-page .label {
  position: absolute;
  z-index: 2;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-normal);
  transition: all var(--transition-normal);
}

.landing-page .label:hover {
  background-color: rgba(0, 0, 0, 0.8);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

.landing-page .label:nth-child(4) {
  top: 40%;
  left: var(--spacing-xl);
}

.landing-page .label:nth-child(5) {
  top: 50%;
  left: var(--spacing-xl);
}

.landing-page .label:nth-child(6) {
  top: 60%;
  left: var(--spacing-xl);
}

.labels-row {
  display: flex;
  gap: 10px;
  white-space: nowrap;
  margin-left: 0;
  margin-top: var(--spacing-lg);
}

.labels-row .label {
  position: static;
}


@keyframes fadeInUp {
}

/* Parallax Container */
.parallax-container {
  position: relative;
  width: 100%;
  height: 200vh;
  display: flex;
  justify-content: center;
  overflow: hidden;
  background-color: #ededed;
  padding: 0px;
  margin: 0px;

}

.parallax-wrapper {
  position: sticky;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 520px;
  z-index: 1000;
  pointer-events: none;
  transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.6s ease;
  opacity: 0;
  visibility: hidden;
}

.parallax-image {
  width: 520px;
  height: 520px;
  border-radius: var(--radius-full);
  overflow: hidden;
  display: block;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.progress-ring {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 1001;
  opacity: 0;
  transition: opacity 0.5s ease;
  display: none;
}

.progress-ring.visible {
  opacity: 0;
  display: none;
}

.progress-circle-bg {
  opacity: 0.3;
}

.progress-circle {
  transform-origin: 260px 260px;
  transition: stroke-dashoffset 1s ease;
  stroke-linecap: butt;
}

.progress-section-1 {
  transform: rotate(0deg);
  stroke-dasharray: 180 360;
}

.progress-section-2 {
  transform: rotate(120deg);
  stroke-dasharray: 180 360;
}

.progress-section-3 {
  transform: rotate(240deg);
  stroke-dasharray: 180 360;
}

.parallax-titles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1002;
  display: none;
}

.title-text {
  position: absolute;
  color: var(--white);
  font-family: var(--font-primary);
  font-size: 56px;
  font-weight: var(--font-weight-extrabold);
  line-height: 0.9;
  letter-spacing: var(--letter-spacing-normal);
  white-space: normal;
  max-width: 420px;
  text-shadow: none;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 1002;
}

.title-text .title-sub {
  display: block;
  margin-top: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--gray-100);
  font-weight: var(--font-weight-medium);
  font-size: 22px;
  line-height: 1.4;
  letter-spacing: var(--letter-spacing-normal);
}

.title-text .title-body {
  display: block;
  margin-top: var(--spacing-md);
  color: var(--gray-100);
  font-weight: var(--font-weight-normal);
  font-size: var(--font-size-md);
  line-height: 1.6;
  letter-spacing: var(--letter-spacing-normal);
}

.title-text.visible {
  opacity: 1;
}

.title-1 {
  top: 15%;
  right: 5%;
  transform: translate(50%, -50%);
  text-align: right;
}

.title-2 {
  top: 50%;
  left: 5%;
  transform: translate(-50%, -50%);
  text-align: left;
}

.title-3 {
  bottom: 15%;
  right: 5%;
  transform: translate(50%, 50%);
  text-align: right;
}

.screen-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, 100%);
  z-index: 1002;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.phone-screen {
  position: absolute;
  top: 50%;
  left: 50%;
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
  pointer-events: none;
  z-index: 1003;
  transform: translate(-50%, -50%);
}

.phone-screen.screen-1,
.phone-screen.screen-2,
.phone-screen.screen-3 {
  width: 640px;
  height: auto;
}

.phone-screen.active {
  opacity: 1;
}

.parallax-wrapper.initial {
  top: calc(50% - 150px);
  left: calc(50% - 300px);
  transform: translate(-50%, -50%) scale(0.9);
  opacity: 1;
  visibility: visible;
}

.parallax-wrapper.center {
  opacity: 1;
  visibility: visible;
}

/* Bubble Scatter */
.bubble-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 0 var(--spacing-xl) var(--spacing-md) var(--spacing-xl);
}


/* Matrix Section */
.fc-matrix {
  background: var(--black);
  color: var(--primary-dark);
  padding: var(--spacing-4xl) var(--spacing-xl) var(--spacing-8xl) var(--spacing-xl);
}

.matrix {
  padding: var(--spacing-4xl) 0;
  width: 100%;
}

.matrix-wrap {
  position: relative;
  max-width: 1000px;
  height: 800px;
  margin: 0 auto;
}

.matrix-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--gray-200);
}

.matrix-wrap::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--gray-200);
}


.m-item {
  position: absolute;
  color: var(--gray-500);
  font-size: var(--font-size-base);
  line-height: 1.3;
}

.m-item.m-tl {
  color: var(--gray-500);
}

.m-item.m-tr {
  color: var(--gray-500);
}

.m-item.m-bl {
  color: var(--gray-500);
}

.m-item.m-br {
  color: var(--gray-500);
}

.m-logo {
  position: absolute;
  width: 90px;
  height: auto;
}

.m-logo.m-bl {
  filter: brightness(1);
}

.m-logo.m-br {
  filter: brightness(1);
}

.m-bubble {
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.05);
}

/* UML Diagram */
.uml-section {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-4xl) var(--spacing-xl) 0 var(--spacing-xl);
  background-color: var(--gray-50);
}

.uml-diagram { 
  width: 100%; 
  max-width: 1500px; 
  height: auto; 
}

.uml-card { 
  fill: var(--gray-75); 
  stroke: none; 
  stroke-width: 0; 
  rx: 0; 
}


.uml-title { 
  font: (--font-size-md); 
  fill: var(--gray-400); 
}

.uml-user-title { 
  font-size: var(--font-size-md);
  fill: var(--gray-400);
}

.uml-wire { 
  stroke: var(--gray-300); 
  stroke-width: 2; 
  fill: none; 
  marker-end: url(#arrow); 
  stroke-linejoin: round;
  stroke-linecap: round;
}

.uml-wire[stroke-dasharray] { 
  stroke-dasharray: 5,5; 
}

.diagram-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
  text-align: center;
  padding: var(--spacing-xl);
}

.uml-diagram-link:hover .diagram-overlay {
  opacity: 1;
}

.diagram-overlay h3 {
  font-family: var(--font-primary);
  font-size: 1.8rem;
  margin-bottom: 10px;
  font-weight: var(--font-weight-semibold);
}

.diagram-overlay p {
  font-family: var(--font-secondary);
  font-size: 1.1rem;
  margin: 0;
  font-weight: 300;
}

/* Sequence Diagram (Mermaid) */
.mermaid {
  width: 60%;
  transform: scale(1.5);
  transform-origin: center;
  background-color: var(--gray-50);
  padding: var(--spacing-4xl);
  border-radius: var(--radius-md);
}

.mermaid .actor {
  font-size:  var(--font-size-md);
  font-weight: var(--font-weight-bold);
  fill: var(--black);
  color: var(--black);
}

.mermaid .messageText {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  fill: var(--black);
  color: var(--black);
}

.mermaid text {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  fill: var(--black);
  color: var(--black);
}

/* Style sequence diagram arrows to be blue */
.mermaid svg .messageLine0,
.mermaid svg .messageLine1 {
  stroke: var(--primary) !important;
  stroke-width: 2;
}

.mermaid svg .messageArrow {
  stroke: var(--primary) !important;
  fill: var(--primary) !important;
}

.mermaid svg path.messageLine0,
.mermaid svg path.messageLine1 {
  stroke: var(--primary) !important;
}

.mermaid svg .arrowhead path {
  stroke: var(--primary) !important;
  fill: var(--primary) !important;
}

/* Style lifelines to be dashed */
.mermaid svg .actor-line,
.mermaid svg line.actor-line {
  stroke: var(--gray-300) !important;
  stroke-dasharray: 5, 5 !important;
  stroke-width: 1;
}

/* Gallery Container */
.gallery-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
  padding-top: 100px;
  width: 100%;
  box-sizing: border-box;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Section Title */
.section-title {
  padding: var(--spacing-xl) 0px 0px 0;
  font-size: var(--font-size-lg);
  color: var(--gray-300);
  text-transform: uppercase;
  margin-bottom: 14px;
  font-weight: var(--font-weight-semibold);
}

/* Content Images */
img.content-image {
  width: 100%;
  height: auto;
  margin: var(--spacing-4xl) 0;
  display: block;
  border-radius: 4px;
}

.content-image-small {
  width: 60% !important;
}

/* Overlay Styles */
.overlay.visible {
  opacity: 1;
  transform: translateY(0);
}

.overlay h2, .overlay h3 {
  color: var(--white);
  font-family: var(--font-primary);
  margin-bottom: 15px;
  font-size: 1.5rem;
}

.overlay p, .overlay li {
  color: var(--white);
  font-family: var(--font-secondary);
  line-height: 1.6;
  font-size: 1rem;
}

.overlay ul, .overlay ol {
  margin: 15px 0;
  padding-left: var(--spacing-xl);
}

.overlay li {
  margin: var(--spacing-sm) 0;
  color: var(--white);
}

.overlay strong {
  color: var(--white);
  font-weight: var(--font-weight-semibold);
}

/* Bottom Card Section */
.bottom-card-section {
  background-color: var(--black);
  padding: 300vh var(--spacing-xl) 100px var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  perspective: 1500px;
  gap: var(--spacing-5xl);
}


/* Research Method Section */
.research-method-section {
  padding: var(--spacing-6xl) var(--spacing-xl);
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.research-method-container {
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-6xl);
}

.research-method-section .header-4xl.primary {
  text-align: left;
  margin-bottom: 0;
  color: #1e1d2a;
  font-weight: var(--font-weight-bold);
}

.research-method-flow {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: flex-start;
  width: 100%;
  position: relative;
  padding: var(--spacing-4xl) 0;
  gap: var(--spacing-md);
  flex-wrap: nowrap;
}

.research-method-stage {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  min-width: 0;
  max-width: none;
}

.stage-dot {
  width: 8px;
  height: 8px;
  background-color: #1e1d2a;
  border-radius: 50%;
  position: absolute;
  top: -20px;
  left: 0;
  z-index: 2;
}

.flow-connector {
  flex: 0 0 40px;
  height: 120px;
  width: 40px;
  margin-top: -20px;
  margin-bottom: 0;
  z-index: 1;
  align-self: flex-start;
}

.stage-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-primary);
  color: #1e1d2a;
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-normal);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  word-break: break-word;
}

.stage-tasks {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
}

.task-item {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  font-family: var(--font-secondary);
  color: #1e1d2a;
  line-height: var(--line-height-loose);
  word-break: break-word;
}

/* Responsive adjustments */
@media (max-width: 1400px) {
  .research-method-flow {
    gap: var(--spacing-sm);
  }
  
  .research-method-stage {
    flex: 1 1 0;
  }
  
  .flow-connector {
    width: 30px;
    flex: 0 0 30px;
  }
  
  .stage-title {
    font-size: var(--font-size-base);
  }
  
  .task-item {
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 1200px) {
  .research-method-flow {
    flex-wrap: wrap;
    gap: var(--spacing-4xl);
  }
  
  .research-method-stage {
    min-width: 180px;
    max-width: none;
  }
  
  .flow-connector {
    display: none;
  }
}

@media (max-width: 768px) {
  .research-method-flow {
    flex-direction: column;
    gap: var(--spacing-5xl);
  }
  
  .research-method-stage {
    width: 100%;
    min-width: auto;
  }
  
  .stage-dot {
    top: -30px;
  }
  
  .flow-connector {
    display: none;
  }
}

/* User Journey Section */
.user-journey-section {
  min-height: 100vh;
  position: relative;
  z-index: 3000;
}

.user-journey-pin {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-6xl) var(--spacing-xl);
}

/* Literature Review section title transition */
.user-journey-section:has(#literaturereview) .header-4xl.primary {
  transition: opacity 300ms ease, visibility 300ms ease;
}

.user-journey-section .header-4xl {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 1;
  margin: 0;
  pointer-events: none;
}

.user-journey-preview {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 1;
  transition: opacity 300ms ease;
}

.user-journey-preview.hidden {
  opacity: 0;
  pointer-events: none;
}

.journey-preview-item {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.journey-preview-item:first-child {
  top: 240px;
  left: 200px;
}

.journey-preview-item:nth-child(2) {
  top: 160px;
  right:380px;
}

.journey-preview-item:nth-child(3) {
  bottom: 300px;
  right: 280px;
}

.journey-preview-circle {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--gray-400);
  font-family: var(--font-primary);
}

.journey-preview-label {
  font-size: var(--font-size-md);
  font-family: var(--font-primary);
  text-align: center;
}

.user-journey-cards {
  display: flex;
  flex-direction: row;
  gap: var(--spacing-4xl);
  max-width: 1400px;
  width: 100%;
  padding: var(--spacing-xl);
  justify-content: center;
  position: relative;
  z-index: 2;
}

.user-journey-footer-text {
  position: absolute;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  max-width: 900px;
  width: 50%;
  z-index: 2;
  line-height: var(--line-height-loose);
}

.user-journey-card {
  background: var(--white);
  border-radius: var(--radius-xs);
  padding: 0;
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 300ms ease, transform 300ms ease;
  position: relative;
  overflow: hidden;
  flex: 1;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  z-index: 3;
}

.user-journey-card.visible {
  opacity: 1;
  transform: translateX(0);
}

.user-journey-card.visible:hover {
  transform: translateX(0) scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.user-journey-card-content-section {
  padding: var(--spacing-4xl) var(--spacing-3xl) var(--spacing-lg) var(--spacing-3xl);
  background: var(--white);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.user-journey-card-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--gray-400);
  text-align: center;
  line-height: 1;
  margin-bottom: var(--spacing-lg);
  font-family: var(--font-primary);
}

.user-journey-card-header {
  margin-bottom: var(--spacing-lg);
}

.user-journey-card-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--gray-400);
  text-align: center;
  margin-top: -20px;
  text-transform: uppercase;
  line-height: var(--line-height-normal);
  font-family: var(--font-primary);
}

.user-journey-card-description {
  color: var(--black);
  font-size: var(--font-size-xs);
  line-height: var(--line-height-loose);
  font-weight: var(--font-weight-normal);
  font-family: var(--font-secondary);
  text-align: center;
  margin: 0px;
  margin-top: auto;
  letter-spacing: 0.3px;
}

.user-journey-card-illustration {
  background: var(--gray-100);
  padding: var(--spacing-xl);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.journey-illustration {
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-height: 200px;
}

/* Literature Review cards - image only, full card */
#literature-1,
#literature-2,
#literature-3 {
  transform: translateX(-50px) scale(0.8);
  transform-origin: center;
}

#literature-1.visible,
#literature-2.visible,
#literature-3.visible {
  transform: translateX(0) scale(0.8);
}

#literature-1.visible:hover,
#literature-2.visible:hover,
#literature-3.visible:hover {
  transform: translateX(0) scale(0.82);
}

#literature-1 .user-journey-card-illustration,
#literature-2 .user-journey-card-illustration,
#literature-3 .user-journey-card-illustration {
  padding: 0;
  min-height: auto;
  height: 100%;
  flex: 1;
}

.literature-card-icon {
  position: absolute;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  background: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.literature-card-plus {
  color: var(--white);
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  line-height: 1;
  font-family: var(--font-primary);
}

.literature-card-icon i,
.literature-card-icon .fa-plus {
  color: var(--white);
  font-size: 18px;
  line-height: 1;
}

#literature-1 .journey-illustration,
#literature-2 .journey-illustration,
#literature-3 .journey-illustration {
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-height: none;
}

/* Image Modal */
.image-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  animation: fadeIn 0.3s ease;
}

.image-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-modal-close {
  position: absolute;
  top: 20px;
  right: 40px;
  color: var(--white);
  font-size: 48px;
  font-weight: var(--font-weight-bold);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, opacity 0.2s ease;
  z-index: 10000;
}

.image-modal-close:hover {
  transform: scale(1.2);
  opacity: 0.8;
}

.image-modal-content {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  animation: zoomIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* Small Cards Grid */
.responsive-cards-section {
  padding: var(--spacing-6xl) var(--spacing-xl) var(--spacing-8xl) var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.responsive-cards-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4xl);
  max-width: 1600px;
  width: 100%;
  padding: 0 var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.responsive-cards-section .header-4xl {
  margin: 0;
  text-align: left;
  flex-shrink: 0;
}

.responsive-cards-section p {
  margin: 0;
  text-align: left;
  font-weight: var(--font-weight-light);
  flex: 1;
  max-width: 600px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-clamp: 2;
}

.responsive-cards-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-lg);
  max-width: 1600px;
  width: 100%;
  padding: var(--spacing-xl);
  margin: 0 auto;
}

/* XR Image Gallery */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl) var(--spacing-xl) var(--spacing-xl);
}

.image-item {
  position: relative;
  height: 300px;
  overflow: hidden;
  border-radius: 5px;
  cursor: pointer;
}

.image-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.4s ease, transform 0.4s ease;
  filter: grayscale(0%);
}

.image-item:hover img {
  filter: grayscale(100%);
  transform: scale(1.05);
}


.image-item:hover .image-text {
  opacity: 1;
}

/* XR Card Container */
.photo-card-container {
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
  padding: var(--spacing-4xl) var(--spacing-xl);
}


/* Barrier of Entry Section */
.barrier-of-entry-section {
  background: var(--gray-50);
  padding: var(--spacing-6xl) var(--spacing-xl);
  position: relative;
}

.barrier-cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: var(--spacing-4xl) auto 0;
  padding: 0 var(--spacing-xl);
}

.barrier-card {
  background: var(--white);
  border-radius: var(--radius-xs);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  min-height: 260px;
}

.barrier-card-upper {
  background: var(--white);
  padding: var(--spacing-lg) var(--spacing-lg) 0 var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  flex: 1;
  position: relative;
}

.barrier-card-category {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  font-size: var(--font-size-xs);
  font-family: var(--font-secondary);
  letter-spacing: 0.5px;
}

.barrier-card-title {
  font-size: var(--font-size-lg);
  font-family: var(--font-secondary);
  color: var(--black);
  margin: 18px 0 0 0;
  line-height: 1.3;
  flex: 1;
  margin-bottom: 0;
}


.barrier-card-action:hover {
  background: var(--gray-400);
}

.barrier-card-arrow {
  color: var(--white);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  line-height: 1;
}

.barrier-card-lower {
  background: var(--gray-400);
  min-height: 120px;
  position: relative;
  overflow: hidden;
}

.barrier-card-pattern {
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

/* jsPlumb UML Diagram Interactive Styles */
.uml-section {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-4xl) var(--spacing-xl) 0 var(--spacing-xl);
  background-color: var(--gray-50);
}

.technology-ecosystem-section {
  position: relative;
  min-height: 100vh;
  padding: 0;
}

.technology-ecosystem-pin {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.tech-eco-title {
  position: absolute;
  top: var(--spacing-4xl);
  right: var(--spacing-4xl);
  font-size: var(--font-size-3xl);
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  color: var(--black);
  z-index: 10;
}

.tech-eco-img-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-4xl);
}

.tech-eco-img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.5s ease;
  max-width: 100%;
  max-height: 100%;
}

.tech-eco-img.active {
  opacity: 1;
  z-index: 1;
}

.uml-diagram-container {
  position: relative;
  width: 100%;
  height: auto;
  background: transparent;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(10, auto);
  row-gap: var(--spacing-3xl);
  column-gap: var(--spacing-3xl);
  padding: var(--spacing-xl);
  min-height: 100vh;
}


.uml-card {
  position: relative;
  width: 260px; /* fixed width for consistent spacing */
  min-width: 260px;
  max-width: 260px;
  min-height: 200px;
  background: var(--white);
  border: none;
  border-radius: 1px;
  padding: 16px;
  font-family: var(--font-secondary);
  cursor: move;
  transition: box-shadow 0.2s ease, background-color 0.2s ease;
  z-index: 10;
  justify-self: center;
  color: var(--black);
}

.uml-card-important {
  background: #fffef8; /* yellow background */
  color: #8d6e63; /* brown text */
  transform-origin: center;
}

.uml-card-header {
  margin-bottom: 12px;
  border-bottom: none;
  padding-bottom: 8px;
}

.uml-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);

  color: var(--black);
  margin: 0;
  display: inline-block;
  background-color: var(--gray-100);
  padding: 2px 6px;
  border-radius: 2px;
}

.uml-card-important .uml-title {
  background-color: #f9efc2; /* brown background for important cards */
  color: #5d4037; /* darker brown text */
}

.user-card .uml-title {
  background-color: #e9faff; /* brown background for important cards */
  color: var(--primary); /* darker brown text */
}

.uml-attributes {
  margin-bottom: 12px;
}

.uml-attribute {
  font-size: var(--font-size-xs);
  margin-bottom: 4px;
  margin-top: 0;
  color: var(--gray-400);
}

.uml-method {
  font-size: var(--font-size-xs);
  margin-bottom: 4px;
  margin-top: 0;
  color: var(--gray-300);
  font-weight: var(--font-weight-medium);
}

/* Grid Position Classes */
.row-1.col-1 { grid-row: 1; grid-column: 1; }
.row-1.col-2 { grid-row: 1; grid-column: 2; }
.row-1.col-3 { grid-row: 1; grid-column: 3; }
.row-1.col-4 { grid-row: 1; grid-column: 4; }
.row-2.col-1 { grid-row: 2; grid-column: 1; }
.row-2.col-2 { grid-row: 2; grid-column: 2; }
.row-2.col-3 { grid-row: 2; grid-column: 3; }
.row-2.col-4 { grid-row: 2; grid-column: 4; }
.row-3.col-1 { grid-row: 3; grid-column: 1; }
.row-3.col-2 { grid-row: 3; grid-column: 2; }
.row-3.col-3 { grid-row: 3; grid-column: 3; }
.row-3.col-4 { grid-row: 3; grid-column: 4; }
.row-4.col-1 { grid-row: 4; grid-column: 1; }
.row-5.col-1 { grid-row: 5; grid-column: 1; }
.row-6.col-3 { grid-row: 6; grid-column: 3; }
.row-6.col-4 { grid-row: 6; grid-column: 4; }

/* Information Cards - removed, now only shown in tooltips */

/* Tooltip for all cards with data-tooltip attribute */
.uml-card[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  background: var(--gray-400);
  color: var(--white);
  padding: 8px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
  z-index: 1000;
  text-align: left;
  line-height: 1.4;
  white-space: pre-wrap;
  max-width: 260px;
  text-transform: none;
}


/* Math challenge indicator for specific cards */
.uml-card[data-uml-id="recommendation-engine-01"]::after,
.uml-card[data-uml-id="emotion-ai-01"]::after,
.uml-card[data-uml-id="ar-session-01"]::after {
  content: "math challenge →";
  position: absolute;
  bottom: 8px;
  right: 8px;
  font-size: 10px;
  color: var(--gray-300);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  pointer-events: none;
  z-index: 5;
}

/* Connection labels */
.connection-label {
  font-family: var(--font-secondary);
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  fill: var(--gray-400);
  background: var(--white);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--gray-200);
}

/* jsPlumb endpoint styles */
.jtk-endpoint {
  cursor: pointer;
}

/* jsPlumb connection styles */
.jtk-connector {
  stroke: var(--gray-300);
  stroke-width: 2;
}

.jtk-overlay {
  fill: var(--gray-300);
}


@media (min-width: 900px) {
  /* UML Diagram responsive layout for large screens */
  .uml-diagram-container {
    grid-template-columns: repeat(4, 1fr);
    row-gap: var(--spacing-3xl);
    column-gap: var(--spacing-3xl);
  }
}

@media (max-width: 1400px) {
  .responsive-cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 1200px) {
  .responsive-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .features {
    grid-template-columns: 1fr;
  }
  
  .stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    padding: 0 var(--spacing-lg);
  }
  
  .stat .header-2xl {
    font-size: var(--font-size-3xl);
  }
  
  .product-sections {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }
  
  .product-section {
    padding: var(--spacing-3xl) 0;
  }
  
  .product-header {
    grid-template-columns: 60px 1fr auto;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
  }
  
  .product-header .body-sm {
    font-size: var(--font-size-base);
  }
  
  .product-content {
    padding-left: 100px;
    max-width: 100%;
  }
  
  .product-content p {
    font-size: var(--font-size-base);
  }
  
  .list-row {
    grid-template-columns: 60px 1fr auto 1fr 40px;
  }
  
  .responsive-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .responsive-card {
    min-height: 180px;
  }
  
  
  .responsive-card-description {
    font-size: var(--font-size-base);
  }
  
  .barrier-cards-container {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  /* UML Diagram responsive layout for medium screens */
  .uml-diagram-container {
    grid-template-columns: repeat(2, 1fr);
    row-gap: var(--spacing-2xl);
    column-gap: var(--spacing-2xl);
  }
}

@media (max-width: 768px) {
  .stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    margin: var(--spacing-4xl) auto;
  }
  
  .stat .header-2xl {
    font-size: var(--font-size-2xl);
  }
  
  .product-sections {
    padding: var(--spacing-2xl) 0;
  }
  
  .product-section {
    padding: var(--spacing-2xl) 0;
  }
  
  .product-header {
    grid-template-columns: 50px 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
  }
  
  .product-header .row-labels {
    grid-column: 1 / -1;
    margin-top: var(--spacing-sm);
  }
  
  .product-header .body-sm {
    font-size: var(--font-size-base);
  }
  
  .product-header .caption-base {
    font-size: 9px;
  }
  
  .product-content {
    padding-left: 0;
    max-width: 100%;
  }
  
  .product-content p {
    font-size: var(--font-size-base);
    line-height: 1.7;
  }
  
  .product-content .content-image {
    margin-top: var(--spacing-xl);
    width: 100% !important;
  }
  
  .parallax-wrapper {
    width: 400px;
    height: 400px;
  }
  
  .parallax-image {
    width: 520px;
    height: 520px;
  }
  
  .progress-ring {
    width: 520px;
    height: 520px;
  }
  
  .progress-ring circle {
    cx: 260;
    cy: 260;
    r: 258.5;
  }
  
  .parallax-wrapper.initial {
    top: calc(50% - 100px);
    left: calc(50% - 200px);
  }
  
  .parallax-container {
    height: 300vh;
  }
  
  .title-text {
    font-size: 28px;
    max-width: 70vw;
    line-height: 1;
  }

  .title-text .title-sub {
    margin-top: 10px;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    font-size: var(--font-size-md);
  }

  .title-text .title-body {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-base);
    line-height: 1.5;
  }
  
  .title-1 {
    top: 10%;
    right: 2%;
  }
  
  .title-2 {
    left: 2%;
  }
  
  .title-3 {
    bottom: 10%;
    right: 2%;
  }
  
  .phone-screen.screen-1 {
    width: 352px;
  }
  
  .phone-screen.screen-2,
  .phone-screen.screen-3 {
    width: 352px;
  }
  
  .research-main {
    flex-direction: column;
    height: auto;
  }
  
  .left-fixed-section {
    position: relative;
    width: 100%;
    height: auto;
    top: 0;
    padding: var(--spacing-xl);
    min-height: 200px;
  }
  
  .right-gallery-section {
    width: 100%;
    margin-left: 0;
    height: auto;
    overflow-y: visible;
  }
  
  
  .photo-card {
    width: 300px;
    height: 600px;
    transform: rotateY(-10deg) rotateX(3deg);
  }
  
  .image-gallery {
    grid-template-columns: 1fr;
  }
  
  
  .content-image-small {
    width: 100% !important;
  }
  
  .responsive-cards-section {
    padding: var(--spacing-5xl) var(--spacing-xl) var(--spacing-7xl) var(--spacing-xl);
  }
  
  .responsive-cards-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .responsive-card {
    min-height: 160px;
  }
  
  
  .responsive-card-description {
    font-size: 13px;
  }
  
  .barrier-cards-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-md);
  }
  
  .barrier-card {
    min-height: 280px;
  }
  
  .barrier-card-upper {
    padding: var(--spacing-lg);
  }
  
  .barrier-card-category {
    top: var(--spacing-lg);
    right: var(--spacing-lg);
  }
  
  .barrier-card-lower {
    min-height: 100px;
  }
  
  .landing-context .trend-card {
    width: 70%;
  }
  
  .landing-context .trend-row {
    left: var(--spacing-xl);
    right: var(--spacing-xl);
    bottom: 4%;
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .landing-context .trend-row .trend-card {
    width: 100%;
  }
 
  /* UML Diagram responsive layout for small screens */
  .uml-diagram-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-md);
  }
  
  /* User Journey Section responsive */
  .user-journey-pin {
    padding: var(--spacing-4xl) var(--spacing-lg);
  }
  
  .user-journey-section .header-4xl {
    margin-bottom: var(--spacing-4xl);
  }
  
  .user-journey-cards {
    flex-direction: column;
    gap: var(--spacing-2xl);
    padding: var(--spacing-lg);
  }
  
  .user-journey-card {
    max-width: 100%;
    transform: translateY(50px);
  }
  
  .user-journey-card.visible {
    transform: translateY(0);
  }
  
  .user-journey-card-content-section {
    padding: var(--spacing-2xl);
  }
  
  .user-journey-card-number {
    font-size: 36px;
  }
  
  .user-journey-card-title {
    font-size: 20px;
  }
  
  .user-journey-card-description {
    font-size: 12px;
  }
  
  .user-journey-card-illustration {
    min-height: 150px;
    padding: var(--spacing-lg);
  }
  
  .journey-illustration {
    max-height: 160px;
  }
  
  /* Literature Review cards - responsive */
  #literature-1 .user-journey-card-illustration,
  #literature-2 .user-journey-card-illustration,
  #literature-3 .user-journey-card-illustration {
    padding: 0;
    min-height: auto;
  }
  
  #literature-1 .journey-illustration,
  #literature-2 .journey-illustration,
  #literature-3 .journey-illustration {
    max-height: none;
  }
}