/* Design System for Portfolio */
/* Based on williamle.design */

/* ========================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ======================================== */

:root {
  /* Colors - Light Mode */
  --color-background-primary: #f5f5f7;
  --color-background-secondary: #ffffff;
  --color-background-accent: #1C8AFF;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #6b6b6b;
  --color-text-tertiary: #9b9b9b;
  --color-surface: #ffffff;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-hover: #fafafa;
  --color-accent: #0E5BF3;

  /* Typography */
  --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, 'SF Pro Text',
                  'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Outfit', var(--font-primary);

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  --line-height-tight: 1.2;
  --line-height-normal: 1.4;
  --line-height-relaxed: 1.6;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;

  --gap-xs: var(--spacing-2);
  --gap-sm: var(--spacing-3);
  --gap-md: var(--spacing-4);
  --gap-lg: var(--spacing-6);
  --gap-xl: var(--spacing-8);

  /* Layout */
  --container-max-width: 1200px;
  --container-padding: var(--spacing-6);
  --breakpoint-mobile: 1014px;

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

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 8px 16px -8px rgba(0, 0, 0, 0.08);
  --shadow-glow-hover: 0 2px 8px rgba(0, 0, 0, 0.12), 0 12px 24px -8px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme */
[data-theme="light"] {
  /* Colors - Light Mode - Wealthfront-inspired purple/gray/white palette */
  --color-background-primary: #f5f5f7;
  --color-background-secondary: #ffffff;
  --color-background-accent: #1C8AFF;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #6b6b6b;
  --color-text-tertiary: #9b9b9b;
  --color-surface: #ffffff;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-hover: #fafafa;
  --color-accent: #0E5BF3;

  /* Shadows - Light Mode - Subtle and clean */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 12px 0 rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.04);
  --shadow-glow-hover: 0 4px 16px rgba(14, 91, 243, 0.12), 0 8px 24px rgba(0, 0, 0, 0.08);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  --z-index-navigation: 10;
}

/* ========================================
   BASE STYLES
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-background-primary);
  overflow-x: hidden;
  letter-spacing: 0;
  position: relative;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Background blobs removed for cleaner light mode design */

/* Case Study Pages - Clean Background */
body.case-study-page {
  background-color: var(--color-background-primary);
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
  letter-spacing: 0;
}

h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-6);
}

h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-6);
  margin-top: var(--spacing-16);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-4);
  margin-top: var(--spacing-12);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-3);
  margin-top: var(--spacing-8);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-3);
}

h6 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2);
}

p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--spacing-4);
  letter-spacing: 0;
}

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

a:hover {
  opacity: 0.8;
}

strong {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

em {
  font-style: italic;
  color: var(--color-text-secondary);
}

blockquote {
  border-left: 3px solid var(--color-border);
  padding-left: var(--spacing-6);
  margin: var(--spacing-6) 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-size: 0.9em;
  background: var(--color-surface);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
}

pre {
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-6);
  overflow-x: auto;
  margin: var(--spacing-6) 0;
}

pre code {
  background: none;
  padding: 0;
}

/* ========================================
   LAYOUT COMPONENTS
   ======================================== */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 80px;
}

.navigation {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: transparent;
  transition: transform 0.3s ease, background 0.3s ease;
  transform: translateY(0);
  padding: 0 80px;
  box-sizing: border-box;
}

.navigation.nav-hidden {
  transform: translateY(-100%);
}

.navigation.nav-scrolled {
  background: transparent;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: var(--spacing-6) 0;
}

.nav-logo {
  font-family: var(--font-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  letter-spacing: 0;
}

a.nav-logo {
  color: inherit;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: var(--gap-lg);
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-base);
  font-size: var(--font-size-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
}

/* Dropdown Navigation */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 10000;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.nav-dropdown-item {
  display: block;
  padding: 12px 20px;
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-dropdown-item:hover {
  background: var(--color-hover);
  color: var(--color-text-primary);
}

.nav-dropdown-item:first-child {
  border-radius: 12px 12px 0 0;
}

.nav-dropdown-item:last-child {
  border-radius: 0 0 12px 12px;
}

/* Theme Switcher */
.theme-switcher {
  position: relative;
  width: 56px;
  height: 30px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.theme-switcher-track {
  position: relative;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #4a4165, #2d2541);
  border-radius: 15px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

[data-theme="light"] .theme-switcher-track {
  background: #e5d4ff;
}

.theme-switcher-stars {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 1;
  transition: opacity 0.3s ease;
}

[data-theme="light"] .theme-switcher-stars {
  opacity: 0;
}

.star {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #ffffff;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  box-shadow: 0 0 3px rgba(255, 255, 255, 0.8);
}

.star-1 {
  top: 8px;
  right: 12px;
}

.star-2 {
  top: 16px;
  right: 8px;
  width: 3px;
  height: 3px;
}

.star-3 {
  top: 12px;
  right: 18px;
  width: 3px;
  height: 3px;
}

.theme-switcher-toggle {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  background: #e5e7eb;
  border-radius: 50%;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  z-index: 2;
}

[data-theme="light"] .theme-switcher-toggle {
  transform: translateX(26px);
  background: transparent;
  box-shadow: none;
  z-index: 3;
}

.theme-switcher-toggle::before {
  content: '';
  position: absolute;
  top: 1px;
  right: -1px;
  width: 20px;
  height: 20px;
  background: #4a4165;
  border-radius: 50%;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
}

[data-theme="light"] .theme-switcher-toggle::before {
  opacity: 1;
  transform: translate(0, 0);
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 24px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
  z-index: 2;
}

.theme-switcher-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: -5px;
  width: 4px;
  height: 4px;
  background: #ffffff;
  border-radius: 50%;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -3px 14px 0 -1px #ffffff;
  z-index: 1;
}

[data-theme="light"] .theme-switcher-toggle::after {
  opacity: 1;
}

/* Account for fixed navigation */
main {
  padding-top: 80px;
  padding-bottom: 80px;
  min-height: 400px;
}

/* Ensure sections have proper spacing to prevent overlaps */
section {
  margin-bottom: var(--spacing-16);
  position: relative;
}

section:last-child {
  margin-bottom: 0;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  padding: var(--spacing-24) 0 var(--spacing-10);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-name {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-regular);
  line-height: 1.1;
  margin-bottom: var(--spacing-6);
  scroll-margin-top: 30px;
  white-space: pre-wrap;
  letter-spacing: 0;
}

.hero-name-gradient {
  color: #ffffff;
}

.hero-description {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  max-width: 720px;
  margin: 0 auto;
  word-break: break-word;
  word-wrap: break-word;
  letter-spacing: 0;
  text-align: center;
}

.hero-cta {
  display: inline-block;
  margin-top: var(--spacing-8);
  padding: var(--spacing-4) var(--spacing-8);
  background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
  color: #ffffff;
  text-decoration: none;
  border-radius: 50px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-base);
  box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px 0 rgba(0, 0, 0, 0.3);
}

/* Button gradient animations removed for cleaner design */

/* Light theme hero styles */
[data-theme="light"] .hero-name-gradient {
  color: #1a1a1a;
  background: linear-gradient(180deg, #1a1a1a 0%, #6b6b6b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .hero-cta {
  background: linear-gradient(180deg, #4a4a4a 0%, #1a1a1a 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .hero-cta:hover {
  box-shadow: 0 8px 24px 0 rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

/* Contact form submit button */
.contact-submit-btn {
  display: inline-block;
  padding: var(--spacing-4) var(--spacing-8);
  background: #1a1a1a;
  color: #ffffff;
  border: none;
  border-radius: 50px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-base);
  box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.2);
  cursor: pointer;
  font-family: var(--font-primary);
}

.contact-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px 0 rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .contact-submit-btn {
  background: linear-gradient(180deg, #4a4a4a 0%, #1a1a1a 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .contact-submit-btn:hover {
  box-shadow: 0 8px 24px 0 rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

/* Contact form inputs */
.contact-label {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: #9ca3af;
}

.contact-input {
  padding: 12px 16px;
  font-size: var(--font-size-base);
  background: var(--color-surface);
  opacity: 0.85;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: #9ca3af;
  font-family: var(--font-primary);
  transition: all 0.3s ease;
}

.contact-input::placeholder {
  color: #6b7280;
}

.contact-input:focus {
  outline: none;
  border-color: #6366f1;
  opacity: 1;
}

.contact-textarea {
  resize: vertical;
}

[data-theme="light"] .contact-label {
  color: #6b7280;
}

[data-theme="light"] .contact-input {
  color: #6b7280;
}

[data-theme="light"] .contact-input::placeholder {
  color: #9ca3af;
}

[data-theme="light"] .contact-input:focus {
  border-color: #ff1493;
}

/* ========================================
   CASE STUDY SPECIFIC
   ======================================== */

.case-study-header {
  padding: var(--spacing-20) 0 var(--spacing-12);
}

.case-study-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-regular);
  line-height: 1.1;
  margin-bottom: var(--spacing-4);
  letter-spacing: 0;
}

.case-study-subtitle {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--spacing-8);
  letter-spacing: 0;
}

.case-study-meta {
  display: flex;
  gap: var(--gap-xl);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-12);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--gap-xs);
}

.meta-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-medium);
}

.meta-value {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

.impact-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap-lg);
  margin: var(--spacing-8) 0 var(--spacing-12);
  max-width: 100%;
}

.impact-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
}

.impact-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-3);
  display: block;
}

.impact-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.impact-label {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* Light theme impact cards */
[data-theme="light"] .impact-card {
  background: #ffffff;
  backdrop-filter: none;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: var(--shadow-md);
}

.case-study-content {
  padding: var(--spacing-16) 0;
}

.content-section {
  margin-bottom: var(--spacing-20);
}

.case-study-section {
  margin-bottom: 0;
  padding: var(--spacing-16) 0;
  transition: background-color var(--transition-slow);
}

/* Section Background Alternation - Light Theme */
[data-theme="light"] .case-study-section:nth-child(even) {
  background-color: var(--color-background-secondary);
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  padding-left: calc(50vw - 50%);
  padding-right: calc(50vw - 50%);
}

/* Section Background Alternation - Dark Theme */
[data-theme="dark"] .case-study-section:nth-child(even) {
  background-color: var(--color-background-secondary);
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  padding-left: calc(50vw - 50%);
  padding-right: calc(50vw - 50%);
}

[data-theme="light"] .case-study-section.section-accent {
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.25'/%3E%3C/svg%3E"),
    #0E5BF3;
  margin-left: calc(-50vw + 50% + var(--spacing-6));
  margin-right: calc(-50vw + 50% + var(--spacing-6));
  padding-left: max(24px, calc(50vw - 50% - var(--spacing-6)));
  padding-right: max(24px, calc(50vw - 50% - var(--spacing-6)));
  border-radius: 40px;
  position: relative;
  overflow: hidden;
}

[data-theme="light"] .case-study-section.section-accent::before {
  content: '';
  position: absolute;
  width: 1200px;
  height: 1000px;
  top: -300px;
  left: -400px;
  background: radial-gradient(
    circle at 30% 40%,
    rgba(100, 180, 255, 1) 0%,
    rgba(100, 180, 255, 0.7) 20%,
    rgba(100, 180, 255, 0.4) 40%,
    transparent 70%
  );
  filter: blur(120px);
  z-index: 0;
}

[data-theme="light"] .case-study-section.section-accent::after {
  content: '';
  position: absolute;
  width: 1000px;
  height: 1200px;
  bottom: -400px;
  right: -300px;
  background: radial-gradient(
    circle at 60% 50%,
    rgba(28, 138, 255, 1) 0%,
    rgba(28, 138, 255, 0.8) 20%,
    rgba(150, 212, 255, 0.5) 40%,
    transparent 70%
  );
  filter: blur(120px);
  z-index: 0;
}

[data-theme="light"] .case-study-section.section-accent > * {
  position: relative;
  z-index: 1;
}

[data-theme="light"] .section-accent .feature-card,
[data-theme="light"] .section-accent .pain-point-circle {
  background-color: #FFFFFF !important;
}

[data-theme="light"] .section-accent > .section-label,
[data-theme="light"] .section-accent > .section-title,
[data-theme="light"] .section-accent > .section-divider ~ h2,
[data-theme="light"] .section-accent > .section-divider ~ h3,
[data-theme="light"] .section-accent > .section-divider ~ p,
[data-theme="light"] .section-accent > .section-divider ~ ul li {
  color: #FFFFFF !important;
}

[data-theme="light"] .section-accent > .section-label {
  color: #E0E0E0 !important;
}

[data-theme="light"] .section-accent > .section-divider ~ p,
[data-theme="light"] .section-accent > .section-divider ~ ul li,
[data-theme="light"] .section-accent .case-study-image-caption {
  color: #E8E8E8 !important;
}

[data-theme="light"] .section-accent .feature-card *,
[data-theme="light"] .section-accent .pain-point-circle * {
  color: revert !important;
}

[data-theme="light"] .section-accent .section-divider {
  background: rgba(255, 255, 255, 0.3) !important;
}

/* Dark Mode - Same blue gradient blocks (darker shades) */
[data-theme="dark"] .case-study-section.section-accent {
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.1'/%3E%3C/svg%3E"),
    #0A3BA8;
  margin-left: calc(-50vw + 50% + var(--spacing-6));
  margin-right: calc(-50vw + 50% + var(--spacing-6));
  padding-left: max(24px, calc(50vw - 50% - var(--spacing-6)));
  padding-right: max(24px, calc(50vw - 50% - var(--spacing-6)));
  border-radius: 40px;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .case-study-section.section-accent::before {
  content: '';
  position: absolute;
  width: 1200px;
  height: 1000px;
  top: -300px;
  left: -400px;
  background: radial-gradient(
    circle at 30% 40%,
    rgba(60, 120, 200, 1) 0%,
    rgba(60, 120, 200, 0.7) 20%,
    rgba(60, 120, 200, 0.4) 40%,
    transparent 70%
  );
  filter: blur(120px);
  z-index: 0;
}

[data-theme="dark"] .case-study-section.section-accent::after {
  content: '';
  position: absolute;
  width: 1000px;
  height: 1200px;
  bottom: -400px;
  right: -300px;
  background: radial-gradient(
    circle at 60% 50%,
    rgba(20, 90, 180, 1) 0%,
    rgba(20, 90, 180, 0.8) 20%,
    rgba(100, 150, 220, 0.5) 40%,
    transparent 70%
  );
  filter: blur(120px);
  z-index: 0;
}

[data-theme="dark"] .case-study-section.section-accent > * {
  position: relative;
  z-index: 1;
}

[data-theme="dark"] .section-accent .feature-card {
  background-color: #FFFFFF !important;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.06) !important;
}

[data-theme="dark"] .section-accent .pain-point-circle {
  background-color: #FFFFFF !important;
}

[data-theme="dark"] .section-accent > .section-label,
[data-theme="dark"] .section-accent > .section-title,
[data-theme="dark"] .section-accent > .section-divider ~ h2,
[data-theme="dark"] .section-accent > .section-divider ~ h3,
[data-theme="dark"] .section-accent > .section-divider ~ p,
[data-theme="dark"] .section-accent > .section-divider ~ ul li {
  color: #FFFFFF !important;
}

[data-theme="dark"] .section-accent > .section-label {
  color: #E0E0E0 !important;
}

[data-theme="dark"] .section-accent > .section-divider ~ p,
[data-theme="dark"] .section-accent > .section-divider ~ ul li,
[data-theme="dark"] .section-accent .case-study-image-caption {
  color: #E8E8E8 !important;
}

[data-theme="dark"] .section-accent .feature-card *,
[data-theme="dark"] .section-accent .pain-point-circle * {
  color: #1a1a1a !important;
}

[data-theme="dark"] .section-accent .section-divider {
  background: rgba(255, 255, 255, 0.3) !important;
}

/* Line Pattern Background - Dark Mode */
[data-theme="dark"] .line-pattern-bg {
  opacity: 0.40 !important;
}

/* Blue Highlighted Text */
.text-highlight-blue {
  color: #0E5BF3;
}

[data-theme="dark"] .text-highlight-blue {
  color: #1C8AFF;
}

/* Fade In Screen Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-screen {
  opacity: 0;
  transform: translateY(20px);
}

.fade-in-screen.animate {
  animation: fadeInUp 0.8s ease-out forwards;
  animation-delay: var(--delay);
}

/* Dashboard Overlay Elements */
@keyframes fadeInOverlay {
  from {
    opacity: 0;
    transform: translateY(20px) scale(1);
  }
  to {
    opacity: 0.9;
    transform: translateY(0) scale(1);
  }
}

@keyframes fadeInModal {
  from {
    opacity: 0;
    transform: translateY(20px) scale(1);
  }
  to {
    opacity: 0.95;
    transform: translateY(0) scale(1);
  }
}

.dashboard-overlay-element {
  opacity: 0;
  transform: translateY(20px) scale(1);
  transform-origin: center center;
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.dashboard-overlay-element.animate {
  animation: fadeInOverlay 0.8s ease-out forwards;
  animation-delay: var(--delay);
}

.dashboard-overlay-element.animate:hover {
  opacity: 1 !important;
  transform: translateY(0) scale(1.1) !important;
}

.dashboard-modal.animate {
  animation: fadeInModal 0.8s ease-out forwards;
  animation-delay: var(--delay);
}

.dashboard-modal.animate:hover {
  opacity: 1 !important;
  transform: translateY(0) scale(1.1) !important;
}

.section-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  margin-top: 0;
  margin-bottom: var(--spacing-3);
  letter-spacing: 0;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  margin-bottom: var(--spacing-4);
}

/* Pain Point Circles */
.pain-point-circle {
  background: #2a2a2a;
  color: #ffffff;
}

.pain-point-circle h4 {
  color: #ffffff;
}

.pain-point-circle p {
  color: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .pain-point-circle {
  background: #F5F5F5;
  color: #2a2a2a;
}

[data-theme="light"] .pain-point-circle h4 {
  color: #2a2a2a !important;
}

[data-theme="light"] .pain-point-circle p {
  color: #333333 !important;
}

[data-theme="dark"] .pain-point-circle {
  background: #2a2a2a;
  color: #ffffff;
}

[data-theme="dark"] .pain-point-circle h4 {
  color: #ffffff !important;
}

[data-theme="dark"] .pain-point-circle p {
  color: rgba(255, 255, 255, 0.9) !important;
}

.pain-point-heading {
  color: inherit;
}

.pain-point-text {
  color: inherit;
}

[data-theme="dark"] .pain-point-heading {
  color: #ffffff !important;
}

[data-theme="dark"] .pain-point-text {
  color: rgba(255, 255, 255, 0.9) !important;
}

/* Responsive: Stack circles vertically on smaller screens */
@media (max-width: 1024px) {
  .pain-points-container {
    flex-direction: column !important;
    align-items: center !important;
    min-height: auto !important;
    height: auto !important;
    gap: var(--spacing-12);
    padding: var(--spacing-8) 0;
  }

  .pain-point-circle {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    transform: none !important;
    margin: 0 auto;
    width: 280px !important;
    height: 280px !important;
    min-width: 280px;
    min-height: 280px;
    max-width: 280px;
    max-height: 280px;
    aspect-ratio: 1 / 1;
    flex-shrink: 0;
  }

  .pain-point-1 {
    order: 1;
  }

  .pain-point-2 {
    order: 2;
  }

  .pain-point-3 {
    order: 3;
  }

  .pain-points-animation {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    transform: none !important;
    order: 4;
    width: 80% !important;
    max-width: 400px !important;
    margin-top: var(--spacing-8);
    margin-bottom: var(--spacing-8);
    flex-shrink: 0;
  }
}

/* ========================================
   PROJECT CARDS (HOMEPAGE)
   ======================================== */

.work-section {
  padding: var(--spacing-6) 0 var(--spacing-20);
}

/* Light theme work section */
[data-theme="light"] .work-section {
  padding: var(--spacing-6) 0 var(--spacing-20);
}

.work-section-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-12);
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
}

.project-cards-container {
  max-width: 900px;
  margin: 0 auto;
}

.project-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-24);
}

.project-card {
  display: block;
  text-decoration: none;
  color: inherit;
  will-change: transform, opacity;
  transition: transform 0.3s ease;
  transform-style: preserve-3d;
  /* Initial state set by JavaScript */
  opacity: 0;
  transform: perspective(1200px) scale(0.8) translateY(60px) rotateX(35deg);
}

.project-card:hover {
  transition: transform 0.3s ease;
  /* Hover effect added on top of scroll position */
}

.project-card-inner {
  background: var(--color-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  overflow: hidden;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.project-card:hover .project-card-inner {
  background: var(--color-hover);
  border-color: var(--color-border);
  box-shadow: var(--shadow-glow-hover);
  transform: translateY(-4px);
}

/* Light theme card styles - frosted glass effect */
[data-theme="light"] .project-card-inner {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: var(--shadow-lg);
}

[data-theme="light"] .project-card:hover .project-card-inner {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
}

.project-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 0;
  overflow: hidden;
  background: var(--color-background-secondary);
}

.project-image-gradient {
  background: #0E5BF3;
  position: relative;
  overflow: hidden;
}

.project-image-custom {
  background: url('Gradient-classic-1.png') center center;
  background-size: cover;
  position: relative;
  overflow: hidden;
}

[data-theme="light"] .project-image-gradient {
  background: #0E5BF3;
}

[data-theme="dark"] .project-image-gradient {
  background: #0A3BA8;
}

[data-theme="light"] .project-image-gradient::before {
  content: '';
  position: absolute;
  width: 1200px;
  height: 1000px;
  top: -300px;
  left: -400px;
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E"),
    radial-gradient(
      circle at 30% 40%,
      rgba(140, 100, 255, 1) 0%,
      rgba(100, 140, 255, 1) 20%,
      rgba(80, 160, 255, 1) 35%,
      rgba(150, 220, 255, 0.9) 55%,
      rgba(180, 230, 255, 0.6) 70%,
      transparent 85%
    );
  background-size: 140%, auto;
  background-blend-mode: overlay, normal;
  filter: blur(100px);
  opacity: 0.5;
  z-index: 0;
}

[data-theme="light"] .project-image-gradient::after {
  content: '';
  position: absolute;
  width: 800px;
  height: 1200px;
  bottom: -500px;
  right: -200px;
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E"),
    radial-gradient(
      circle at 70% 60%,
      rgba(180, 120, 255, 1) 0%,
      rgba(100, 150, 255, 1) 15%,
      rgba(120, 200, 255, 1) 30%,
      rgba(160, 230, 255, 0.9) 50%,
      rgba(200, 240, 255, 0.6) 65%,
      transparent 85%
    );
  background-size: 140%, auto;
  background-blend-mode: overlay, normal;
  filter: blur(100px);
  opacity: 0.5;
  z-index: 0;
}

[data-theme="dark"] .project-image-gradient::before {
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E"),
    radial-gradient(
      circle at 30% 40%,
      rgba(100, 70, 200, 1) 0%,
      rgba(70, 110, 200, 1) 20%,
      rgba(50, 110, 200, 1) 35%,
      rgba(100, 160, 220, 0.9) 55%,
      rgba(130, 190, 240, 0.6) 70%,
      transparent 85%
    );
  background-size: 140%, auto;
  background-blend-mode: overlay, normal;
  opacity: 0.25;
}

[data-theme="dark"] .project-image-gradient::after {
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E"),
    radial-gradient(
      circle at 70% 60%,
      rgba(130, 90, 220, 1) 0%,
      rgba(70, 100, 200, 1) 15%,
      rgba(90, 140, 220, 1) 30%,
      rgba(120, 180, 240, 0.9) 50%,
      rgba(160, 210, 250, 0.6) 65%,
      transparent 85%
    );
  background-size: 140%, auto;
  background-blend-mode: overlay, normal;
  opacity: 0.25;
}

.onboarding-hero-home {
  position: relative;
  z-index: 1;
  transform: scale(0.8);
  transform-origin: center center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-image > div {
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-image img {
  transform: scale(1.02);
}

.project-card:hover .project-image > div:not(.onboarding-hero-home) {
  transform: scale(1.02);
}

.project-card:hover .onboarding-hero-home {
  transform: scale(0.816) !important;
}

/* Kiosk card GIF hover effect - needs to maintain centering while scaling */
.project-card:hover .project-image img[src*="Kiosk.gif"] {
  transform: translate(-50%, -50%) scale(1.05) !important;
}

.project-card:hover .project-image img[src*="Koto/Hero.png"] {
  transform: translateX(-50%) scale(1.05) !important;
}

.project-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  padding: var(--spacing-10);
}

.project-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin: 0;
  line-height: var(--line-height-tight);
}

.project-description {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
  max-width: 800px;
}

.project-tags {
  display: flex;
  gap: var(--gap-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-2);
}

.tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  transition: all var(--transition-base);
}

.project-card:hover .tag {
  background: var(--color-hover);
  color: var(--color-text-secondary);
}

/* Light theme tags with light gray */
[data-theme="light"] .tag {
  background: #f5f5f5;
  color: #6b6b6b;
  border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .project-card:hover .tag {
  background: #e8e8e8;
  color: #4a4a4a;
  border-color: rgba(0, 0, 0, 0.12);
}

/* ========================================
   CARDS & COMPONENTS (CASE STUDY)
   ======================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--gap-xl);
  margin: var(--spacing-8) 0;
}

.card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: block;
  color: inherit;
  text-decoration: none;
}

.card-image {
  aspect-ratio: 16 / 9;
  background: var(--color-surface);
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-content {
  padding: var(--spacing-6);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.card-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ========================================
   TABLES
   ======================================== */

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-8) 0;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

thead {
  background: var(--color-surface);
}

th {
  padding: var(--spacing-4) var(--spacing-6);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border);
}

td {
  padding: var(--spacing-4) var(--spacing-6);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

tr:last-child td {
  border-bottom: none;
}

/* ========================================
   LISTS
   ======================================== */

ul, ol {
  margin: var(--spacing-4) 0;
  padding-left: var(--spacing-8);
  color: var(--color-text-secondary);
  letter-spacing: 0;
}

li {
  margin-bottom: var(--spacing-2);
  line-height: var(--line-height-normal);
  letter-spacing: 0;
}

li::marker {
  color: var(--color-accent);
}

/* ========================================
   FLOW DIAGRAM
   ======================================== */

.flow-diagram-container {
  margin: var(--spacing-8) 0;
  padding: var(--spacing-8);
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.flow-diagram {
  min-width: 900px;
}

.flow-diagram svg {
  width: 100%;
  height: auto;
}

.flow-rect {
  fill: var(--color-surface);
  stroke: var(--color-border);
  stroke-width: 2;
}

.flow-diamond {
  fill: var(--color-surface);
  stroke: var(--color-accent);
  stroke-width: 2;
}

.flow-rounded {
  fill: var(--color-surface);
  stroke: rgba(255, 255, 255, 0.15);
  stroke-width: 2;
}

.flow-text {
  fill: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  text-anchor: middle;
}

.flow-text-small {
  fill: var(--color-text-secondary);
  font-family: var(--font-primary);
  font-size: 12px;
  text-anchor: middle;
}

.flow-arrow {
  stroke: var(--color-border);
  stroke-width: 2;
  fill: none;
  marker-end: url(#arrowhead);
}

.flow-label {
  fill: var(--color-text-secondary);
  font-family: var(--font-primary);
  font-size: 12px;
}

@media (max-width: 1014px) {
  .flow-diagram-container {
    padding: var(--spacing-4);
  }
}

/* ========================================
   UTILITIES
   ======================================== */

.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-16) 0;
}

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

.badge {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-6);
  margin: var(--spacing-8) 0;
}

.highlight-box {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--spacing-8);
  margin: 0;
}

.merchant-states-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
  margin: var(--spacing-8) 0;
}

.merchant-state-card {
  display: flex;
  gap: var(--spacing-8);
  align-items: flex-start;
  padding: var(--spacing-4) 0;
}

.state-avatar {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: white;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.state-avatar img {
  width: 120%;
  height: 120%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
}

.merchant-state-card:nth-child(1) .state-avatar img {
  object-position: center 35%;
  width: 110%;
  height: 110%;
}

.merchant-state-card:nth-child(2) .state-avatar img {
  object-position: center 25%;
  width: 115%;
  height: 115%;
}

.merchant-state-card:nth-child(3) .state-avatar img {
  object-position: center 30%;
  width: 110%;
  height: 110%;
}

.state-content {
  flex: 1;
}

.state-content h4 {
  margin-top: 0;
  margin-bottom: var(--spacing-3);
}

.state-content ul {
  margin: var(--spacing-2) 0;
}

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

/* Image Placeholders for Case Studies */
.case-study-image {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--spacing-8) 0;
}

.case-study-image img {
  width: 100%;
  height: auto;
  display: block;
}

.case-study-image-placeholder {
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  text-align: center;
  padding: var(--spacing-8);
  background: rgba(255, 255, 255, 0.02);
}

.case-study-image-caption {
  padding: var(--spacing-4) var(--spacing-6);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-6);
  margin: var(--spacing-8) 0;
}

.image-grid .case-study-image {
  margin: 0;
}

/* Bento Box Grid Layouts */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-6);
  margin: var(--spacing-12) 0;
}

.bento-item {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Bento grid size variants */
.bento-large {
  grid-column: span 8;
  min-height: 400px;
}

.bento-medium {
  grid-column: span 6;
  min-height: 300px;
}

.bento-small {
  grid-column: span 4;
  min-height: 300px;
}

.bento-wide {
  grid-column: span 12;
  min-height: 300px;
}

.bento-tall {
  grid-row: span 2;
}

/* Bento item content */
.bento-item .case-study-image-placeholder {
  flex: 1;
  min-height: 200px;
}

.bento-item .case-study-image-caption {
  flex-shrink: 0;
}

/* Impact cards in bento layout */
.bento-impact-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-6);
  margin: var(--spacing-8) 0;
}

.bento-impact-large {
  grid-column: span 7;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--spacing-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.bento-impact-small {
  grid-column: span 5;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--spacing-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.bento-impact-metric {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-3);
}

.bento-impact-label {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-4);
}

.bento-impact-description {
  font-size: var(--font-size-base);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
}

/* Feature bento grid */
.bento-features {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-6);
  margin: var(--spacing-12) 0;
}

.bento-feature {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--spacing-8) var(--spacing-8) 0 var(--spacing-8);
  display: flex;
  flex-direction: column;
}

.bento-feature-main {
  grid-column: span 6;
  min-height: 320px;
}

.bento-feature-side {
  grid-column: span 6;
  min-height: 320px;
}

.bento-feature-half {
  grid-column: span 6;
  min-height: 320px;
}

.bento-feature .feature-card-icon {
  flex-shrink: 0;
  flex-grow: 0;
}

.bento-feature-content {
  margin-top: auto;
  padding: 0 0 var(--spacing-8) 0;
  flex-shrink: 0;
}

.bento-feature h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-tight);
}

.bento-feature h4 {
  margin: 0 0 var(--spacing-3) 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
}

.bento-feature p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Light theme bento feature cards */
[data-theme="light"] .bento-feature {
  background: #ffffff;
  backdrop-filter: none;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: var(--shadow-md);
}

/* ========================================
   FEATURE CARDS
   ======================================== */

.feature-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-6);
  margin: var(--spacing-12) 0;
}

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 0;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 240px;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.06);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-accent) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(14, 91, 243, 0.12), 0 8px 24px rgba(0, 0, 0, 0.08);
}

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

.feature-card-header {
  padding: var(--spacing-8) var(--spacing-8) 0 var(--spacing-8);
  flex-shrink: 0;
  flex-grow: 0;
}

.feature-card-icon {
  width: 72px;
  height: 72px;
  background: transparent;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #818cf8;
  font-size: 20px;
}

.feature-card-content {
  margin-top: auto;
  padding: 0 var(--spacing-8) var(--spacing-8) var(--spacing-8);
  flex-shrink: 0;
}

.feature-card-title {
  margin: 0 0 var(--spacing-3) 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
}

.feature-card-description {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  font-size: var(--font-size-base);
}

/* Light theme feature cards - clean white with purple accents */
[data-theme="light"] .feature-card {
  background: #ffffff;
  backdrop-filter: none;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .feature-card:hover {
  background: #ffffff;
  border-color: rgba(70, 73, 255, 0.25);
  box-shadow: 0 4px 16px rgba(14, 91, 243, 0.12), 0 8px 24px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .feature-card::before {
  background: linear-gradient(180deg, #4649ff 0%, transparent 100%);
}

[data-theme="light"] .feature-card-icon {
  background: transparent;
  border: none;
}

[data-theme="light"] .feature-card-icon .material-icons {
  color: #0E5BF3;
}

/* Material Icons - when using font */
.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'liga';
}

/* ========================================
   FOOTER
   ======================================== */

footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-6);
  padding: var(--spacing-12) 0;
  position: relative;
  z-index: 1;
  background: var(--color-background-primary);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--gap-lg);
}

.footer-copyright {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  gap: var(--gap-lg);
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-text-primary);
}

/* ========================================
   BACK TO TOP BUTTON
   ======================================== */

.back-to-top {
  position: fixed;
  bottom: var(--spacing-8);
  left: var(--spacing-8);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 100;
  color: var(--color-text-primary);
  font-size: 20px;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-4px);
}

.back-to-top:active {
  transform: translateY(-2px);
}

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

@media (max-width: 1014px) {
  :root {
    --font-size-6xl: 2.5rem;
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
  }

  .nav-links {
    gap: var(--gap-md);
  }

  /* Collapse two-column layouts to single column */
  .image-grid,
  [style*="grid-template-columns: 50% 50%"],
  [style*="grid-template-columns: 60% 40%"],
  [style*="grid-template-columns: 1fr 1fr"],
  [style*="display: grid"][style*="grid-template-columns"],
  .research-cards-container,
  .results-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  /* Collapse flex rows with multiple cards */
  [style*="display: flex"][style*="gap"] {
    flex-direction: column !important;
  }

  /* Change arrow icons to point down between cards on mobile */
  .research-cards-container .material-icons {
    transform: rotate(90deg) !important;
  }

  /* Reset transforms on collapsed layouts */
  [style*="transform: translateY"] {
    transform: none !important;
  }

  .hero {
    padding: var(--spacing-16) 0 var(--spacing-6);
  }

  .hero-name {
    font-size: var(--font-size-5xl);
  }

  .hero-description {
    font-size: var(--font-size-lg);
    max-width: 100%;
  }

  .work-section {
    padding: var(--spacing-6) 0;
  }

  .project-cards {
    gap: var(--spacing-16);
  }

  .project-card-inner {
    padding: 0;
    gap: 0;
  }

  .project-content {
    padding: var(--spacing-8);
  }

  .container {
    padding: 0 40px;
  }

  .project-title {
    font-size: var(--font-size-3xl);
  }

  .project-description {
    font-size: var(--font-size-lg);
  }

  .project-image img[src*="Koto/Hero.png"] {
    top: 35px !important;
  }

  .case-study-header {
    padding: var(--spacing-12) 0 var(--spacing-8);
  }

  .case-study-meta {
    gap: var(--gap-lg);
  }

  .impact-cards {
    grid-template-columns: 1fr;
    gap: var(--gap-md);
  }

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

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

  .merchant-states-grid {
    grid-template-columns: 1fr;
  }

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

  /* Bento box responsive */
  .bento-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }

  .bento-large,
  .bento-medium,
  .bento-small,
  .bento-wide {
    grid-column: span 1;
    min-height: 250px;
  }

  .bento-tall {
    grid-row: span 1;
  }

  .bento-impact-grid {
    grid-template-columns: 1fr;
  }

  .bento-impact-large,
  .bento-impact-small {
    grid-column: span 1;
  }

  .bento-impact-metric {
    font-size: var(--font-size-4xl);
  }

  .bento-features {
    grid-template-columns: 1fr;
  }

  .bento-feature-main,
  .bento-feature-side,
  .bento-feature-half {
    grid-column: span 1;
    min-height: auto;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--gap-md);
  }

  .back-to-top {
    width: 44px;
    height: 44px;
    bottom: var(--spacing-6);
    left: var(--spacing-6);
  }

  .feature-cards-grid {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-4);
  }

  div.feature-cards-grid[style] {
    grid-template-columns: 1fr !important;
  }

  .feature-card-header {
    padding: var(--spacing-6) var(--spacing-6) 0 var(--spacing-6);
  }

  .feature-card-content {
    padding: 0 var(--spacing-6) var(--spacing-6) var(--spacing-6);
  }

  .feature-card-icon {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }

  .feature-card-title {
    font-size: var(--font-size-lg);
  }

  .bento-feature {
    padding: var(--spacing-6) var(--spacing-6) 0 var(--spacing-6);
  }

  .bento-feature-content {
    padding: 0 0 var(--spacing-6) 0;
  }

  .bento-features {
    grid-template-columns: 1fr;
  }

  .bento-feature-main,
  .bento-feature-side,
  .bento-feature-half {
    min-height: auto;
  }

  table {
    font-size: var(--font-size-sm);
  }

  th, td {
    padding: var(--spacing-3) var(--spacing-4);
  }

  .onboarding-gif-overlay {
    top: calc(50% - 40px) !important;
  }

  .onboarding-hero-gif {
    top: calc(50% - 40px) !important;
  }

  .impact-icon {
    margin-bottom: var(--spacing-4);
  }

  .feature-card-icon {
    margin-bottom: var(--spacing-6);
    justify-content: center;
    width: 57.6px;
    height: 57.6px;
  }

  .feature-card-icon img {
    width: 57.6px;
    height: 57.6px;
  }
}

@media (min-width: 1015px) {
  .onboarding-hero-gif {
    top: calc(50% - 110px) !important;
  }
}

/* ========================================
   LIGHTBOX
   ======================================== */

.lightbox-trigger {
  position: relative;
  display: block;
  transition: transform 0.2s ease;
  overflow: hidden;
  border-radius: 0;
}

.lightbox-trigger img {
  display: block;
  width: 100%;
  border-radius: 0;
}

.lightbox-trigger-rounded {
  border-radius: 12px;
}

.lightbox-trigger-rounded img {
  border-radius: 12px;
}

.lightbox-trigger::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0);
  transition: background-color 0.3s ease;
  pointer-events: none;
  border-radius: 0;
}

.lightbox-trigger-rounded::after {
  border-radius: 12px;
}

.lightbox-trigger:hover::after {
  background-color: rgba(0, 0, 0, 0.3);
}

.lightbox-trigger:hover {
  transform: scale(1.02);
}

.lightbox-trigger.lightbox-zoom-image:hover {
  transform: none;
}

.lightbox-trigger.lightbox-zoom-image:hover img {
  transform: scale(1.05);
}

.lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lightbox-content {
  max-width: 95%;
  max-height: 95%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: 30px;
  right: 40px;
  color: #fff;
  font-size: 48px;
  font-weight: 300;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10000;
  line-height: 1;
  user-select: none;
}

.lightbox-close:hover {
  color: var(--color-accent);
  transform: scale(1.1);
}

/* Bar Chart Animations */
.bar-fill-animated {
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.bar-fill-animated.animate {
  width: var(--target-width) !important;
}

/* What Made This Work Section */
.what-made-this-work-section {
  background: url('what-made-this-work-bg.png') center center !important;
  background-size: cover !important;
  margin-left: calc(-50vw + 50% + var(--spacing-6)) !important;
  margin-right: calc(-50vw + 50% + var(--spacing-6)) !important;
  padding-left: max(24px, calc(50vw - 50% - var(--spacing-6))) !important;
  padding-right: max(24px, calc(50vw - 50% - var(--spacing-6))) !important;
  border-radius: 40px !important;
  position: relative;
  overflow: hidden;
}

.what-made-this-work-section > * {
  position: relative;
  z-index: 1;
}

.what-made-this-work-section .section-title,
.what-made-this-work-section p,
.what-made-this-work-section ul li {
  color: #000000 !important;
}

.what-made-this-work-section .section-label {
  color: #666666 !important;
}

.what-made-this-work-section .section-divider {
  background: rgba(0, 0, 0, 0.1) !important;
}

[data-theme="dark"] .what-made-this-work-section .section-title,
[data-theme="dark"] .what-made-this-work-section p,
[data-theme="dark"] .what-made-this-work-section ul li {
  color: #000000 !important;
}

[data-theme="dark"] .what-made-this-work-section .section-label {
  color: #666666 !important;
}

[data-theme="dark"] .what-made-this-work-section .section-divider {
  background: rgba(255, 255, 255, 0.2) !important;
}

.what-made-this-work-section .core-lesson-card p {
  color: #FFFFFF !important;
}

[data-theme="dark"] .what-made-this-work-section .core-lesson-card p {
  color: #FFFFFF !important;
}

/* Impact Cards */
.impact-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-6);
  margin-top: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.what-made-this-work-section .impact-cards {
  grid-template-columns: repeat(3, 1fr);
}

.impact-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.impact-card h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--spacing-3) 0;
  line-height: var(--line-height-tight);
  min-height: 2.4em;
  display: flex;
  align-items: flex-start;
}

.impact-card p {
  font-size: var(--font-size-base);
  color: #666666 !important;
  margin: 0;
  line-height: var(--line-height-relaxed);
}

[data-theme="dark"] .impact-card {
  background: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .impact-card p {
  color: #666666 !important;
}

.case-study-header .impact-card .impact-value,
.case-study-header .impact-card .impact-label {
  color: var(--color-text-primary);
}

[data-theme="dark"] .case-study-header .impact-card {
  background: #2a2a2a;
}

[data-theme="dark"] .case-study-header .impact-card .impact-value {
  color: #ffffff !important;
}

[data-theme="dark"] .case-study-header .impact-card .impact-label {
  color: rgba(255, 255, 255, 0.7) !important;
}

@media (max-width: 768px) {
  .navigation {
    padding: 0 40px;
  }

  .impact-cards {
    grid-template-columns: 1fr;
  }

  .what-made-this-work-section .impact-cards {
    grid-template-columns: 1fr;
  }
}

/* Wizard and Feature Modules Grids */
.wizard-screens-grid,
.feature-modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: var(--spacing-8);
  margin-top: 100px;
}

@media (max-width: 768px) {
  .wizard-screens-grid,
  .feature-modules-grid {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto;
    gap: 8px !important;
  }
}

/* ========================================
   AI CHAT WIDGET
   ======================================== */

.ai-chat-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  font-family: var(--font-primary);
}

.chat-toggle {
  width: 60px;
  height: 60px;
  border-radius: 30px;
  background:
    linear-gradient(135deg, #ffffff 0%, #f8f8f8 100%);
  border: none;
  box-shadow:
    0 8px 16px rgba(0, 0, 0, 0.1),
    inset 0 -2px 8px rgba(0, 0, 0, 0.05),
    inset 0 2px 8px rgba(255, 255, 255, 0.9),
    inset 0 0 20px rgba(255, 255, 255, 0.8);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.3s ease;
  position: relative;
  overflow: visible;
}

.chat-toggle::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 40%, rgba(255, 200, 150, 0.4) 0%, transparent 30%),
    radial-gradient(circle at 60% 60%, rgba(186, 225, 255, 0.4) 0%, transparent 30%),
    radial-gradient(circle at 50% 30%, rgba(255, 223, 186, 0.3) 0%, transparent 35%),
    radial-gradient(circle at 30% 60%, rgba(186, 255, 201, 0.3) 0%, transparent 35%);
  pointer-events: none;
  z-index: 1;
}

/* floatColors animation removed for cleaner design */

.chat-toggle:hover {
  transform: scale(1.05);
  box-shadow:
    0 10px 20px rgba(0, 0, 0, 0.15),
    inset 0 -2px 8px rgba(0, 0, 0, 0.05),
    inset 0 2px 8px rgba(255, 255, 255, 0.9);
}

.chat-toggle.active {
  animation: none;
}

.chat-toggle .material-icons {
  font-size: 28px;
}

.chat-toggle .chat-emoji {
  font-size: 28px;
  position: relative;
  z-index: 2;
}

.chat-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: #1a1a1a;
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 7px;
  border-radius: 12px;
  border: 2px solid var(--color-background-primary);
  z-index: 10;
}

.chat-panel {
  position: absolute;
  bottom: 76px;
  right: 0;
  width: 380px;
  height: 600px;
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.chat-header {
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface);
  border-radius: 16px 16px 0 0;
}

.chat-header-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 179, 186, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(186, 225, 255, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(255, 223, 186, 0.2) 0%, transparent 60%),
    linear-gradient(135deg, #ffffff 0%, #f8f8f8 100%);
  border: 1px solid #e5e7eb;
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  position: relative;
}

.chat-avatar .material-icons {
  font-size: 20px;
}

.chat-avatar .chat-emoji {
  font-size: 20px;
}

.chat-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.chat-subtitle {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.chat-close-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all 0.2s ease;
}

.chat-close-btn:hover {
  background: var(--color-hover);
  color: var(--color-text-primary);
}

.chat-close-btn .material-icons {
  font-size: 20px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-message {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.user-message {
  flex-direction: row-reverse;
}

.message-avatar {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 24px;
}

.message-avatar img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.message-content {
  flex: 1;
  background: var(--color-surface);
  padding: 12px 14px;
  border-radius: 12px;
  max-width: 75%;
}

.user-message .message-content {
  background: linear-gradient(135deg, #1e40af 0%, #5b21b6 100%);
  color: white;
  margin-left: auto;
}

.message-content p {
  margin: 0 0 8px 0;
  font-size: 14px;
  line-height: 1.5;
  color: inherit;
}

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

.message-content strong {
  font-weight: 600;
  color: inherit;
}

.quick-questions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.quick-question-btn {
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--color-text-primary);
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}

.quick-question-btn:hover {
  background: var(--color-hover);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.chat-input-container {
  padding: 16px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 8px;
  align-items: flex-end;
  background: var(--color-background-secondary);
  border-radius: 0 0 16px 16px;
}

.chat-input {
  flex: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: var(--font-primary);
  color: var(--color-text-primary);
  resize: none;
  max-height: 120px;
  transition: border-color 0.2s ease;
}

.chat-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.chat-input::placeholder {
  color: var(--color-text-tertiary);
}

.chat-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #1a1a1a;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.chat-send-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.chat-send-btn:active {
  transform: scale(0.95);
}

.chat-send-btn .material-icons {
  font-size: 20px;
}

/* Light theme adjustments */

[data-theme="light"] .bot-message .message-content {
  background: #f3f4f6;
}

[data-theme="light"] .user-message .message-content {
  background: linear-gradient(135deg, #ff1493, #ff7f50);
}

[data-theme="light"] .chat-send-btn {
  background: #1a1a1a;
}

[data-theme="light"] .chat-send-btn:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Go to Top Button */
.go-to-top {
  position: fixed;
  bottom: 32px;
  left: 32px;
  width: 48px;
  height: 48px;
  background: var(--color-text-primary);
  color: var(--color-background-primary);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
  z-index: 9998;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.go-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.go-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.go-to-top .material-icons {
  font-size: 24px;
}

/* Light theme adjustments for go-to-top button */
[data-theme="light"] .go-to-top {
  background: #1a1a1a;
  color: #ffffff;
}

[data-theme="light"] .go-to-top:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* Mobile responsive */
@media (max-width: 768px) {
  .go-to-top {
    bottom: 24px;
    left: 24px;
    width: 44px;
    height: 44px;
  }

  .ai-chat-widget {
    bottom: 16px;
    right: 16px;
  }

  .chat-toggle {
    width: 56px;
    height: 56px;
  }

  .chat-panel {
    width: calc(100vw - 32px);
    height: calc(100vh - 100px);
    max-height: 600px;
    bottom: 72px;
    right: -8px;
  }

  .message-content {
    max-width: 85%;
  }
}