/* ============================================
   Tin Yat Kwok Portfolio Styles
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Color Palette - Base */
  --color-background: #F7F8FA;
  --color-surface: #FFFFFF;
  --color-surface-elevated: #EEF2F6;
  --color-border: #D9E1EA;

  /* Color Palette - Text */
  --color-text-primary: #102033;
  --color-text-secondary: #516072;
  --color-text-muted: #7A8796;

  /* Color Palette - Accent */
  --color-accent: #1B66FF;
  --color-accent-hover: #0E4EDB;
  --color-accent-soft: #EAF1FF;

  /* Color Palette - Feedback */
  --color-success: #1A9B6A;
  --color-warning: #C98A1A;
  --color-error: #D94B4B;

  /* Color Palette - Additional Accents */
  --color-teal: #0F7C86;
  --color-indigo: #304FFE;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', Roboto, system-ui, sans-serif;
  --font-family-heading: 'DM Serif Display', Georgia, serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 1.875rem;
  --font-size-3xl: 2.25rem;
  --font-size-4xl: 3rem;
  --font-size-5xl: 3.75rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.1;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

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

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 840px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(16, 32, 51, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(16, 32, 51, 0.05), 0 2px 4px -1px rgba(16, 32, 51, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(16, 32, 51, 0.05), 0 4px 6px -2px rgba(16, 32, 51, 0.025);
  --shadow-xl: 0 20px 25px -5px rgba(16, 32, 51, 0.05), 0 10px 10px -5px rgba(16, 32, 51, 0.02);
  --shadow-card: 0 2px 8px rgba(16, 32, 51, 0.06);
  --shadow-card-hover: 0 8px 24px rgba(16, 32, 51, 0.1);
}

/* ============================================
   Base Styles
   ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 400;
  line-height: var(--line-height-tight);
  margin: 0 0 var(--space-4);
  color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin: 0 0 var(--space-4);
}

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

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

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

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ============================================
   Layout
   ============================================ */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(247, 248, 250, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-normal);
}

.nav.scrolled {
  border-bottom-color: var(--color-border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav-logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
}

.nav-logo:hover {
  color: var(--color-accent);
}

.nav-logo img {
  height: 30px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-border);
}

.nav-link.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.nav-link--cta {
  background-color: var(--color-accent);
  color: var(--color-surface);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  border-bottom: none;
}

.nav-link--cta:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-surface);
  border-bottom: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  padding: calc(72px + var(--space-24)) 0 var(--space-20);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-text {
  max-width: 560px;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 400;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-5);
}

.hero-description {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

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

.hero-portrait {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.hero-portrait img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
}

/* ============================================
   Open for Work Tag Options
   ============================================ */

.open-for-work {
  margin-bottom: 16px;
}

/* Option 1: Status Dot with Text (Classic) */
.open-for-work.option-1 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.option-1 .status-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(26, 155, 106, 0.4);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(26, 155, 106, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(26, 155, 106, 0);
  }
}

/* Option 2: Soft Pill Badge (Modern) */
.open-for-work.option-2 {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 8px 16px;
  border-radius: var(--radius-full);
}

.option-2 .status-glow {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--color-success);
}

/* Option 3: Outlined/Minimal (Elegant) */
.open-for-work.option-3 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  background: transparent;
  transition: background var(--transition-fast);
}

.open-for-work.option-3:hover {
  background: var(--color-surface);
}

.option-3 .status-ring {
  width: 8px;
  height: 8px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Option 4: Highlight Banner (Bold) */
.open-for-work.option-4 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: var(--color-surface);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.option-4 .check-icon {
  flex-shrink: 0;
}

/* Option 5: Minimal Text Link (Understated) */
.open-for-work.option-5 {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: -0.01em;
  cursor: pointer;
}

.option-5 .arrow {
  opacity: 0.7;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.open-for-work.option-5:hover .arrow {
  transform: translateX(4px);
  opacity: 1;
}

/* Option 6: Glass Card (Contemporary) */
.open-for-work.option-6 {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  padding: 10px 18px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.option-6 .status-glow {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--color-success);
}

/* ============================================
   Trust Strip
   ============================================ */

.trust-strip {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.trust-items {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.trust-item strong {
  font-size: var(--font-size-lg);
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.trust-item span {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ============================================
   Section Headers
   ============================================ */

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-header--left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 400;
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

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

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 400;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-surface);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-surface);
  transform: translateY(-1px);
}

.btn--secondary {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background-color: var(--color-surface-elevated);
  color: var(--color-text-primary);
  border-color: var(--color-text-muted);
}

/* ============================================
   Featured Case Studies
   ============================================ */

.featured-case-studies {
  padding: var(--space-32) 0;
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.case-study-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.case-study-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.case-study-link {
  display: block;
  color: inherit;
}

.case-study-link:hover {
  color: inherit;
}

.case-study-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-surface-elevated);
}

.case-study-image .case-study-placeholder svg {
  width: 100%;
  height: 100%;
}

.case-study-content {
  padding: var(--space-6);
}

.case-study-tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.case-study-title {
  font-size: var(--font-size-lg);
  font-weight: 400;
  margin-bottom: var(--space-3);
  line-height: var(--line-height-snug);
}

.case-study-summary {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.case-study-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.case-study-meta li {
  margin-bottom: var(--space-1);
}

.case-study-meta strong {
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* View case study link styling */
.case-study-view-link {
  margin-top: var(--space-3);
}

.case-study-view-link span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.case-study-view-link span::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.case-study-card:hover .case-study-view-link {
  margin-top: var(--space-3);
}

.case-study-view-link span {
  color: var(--color-accent-hover);
}

.case-study-card:hover .case-study-view-link span::after {
  transform: translateX(4px);
}

.case-study-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.case-study-title-row .case-study-title {
  margin-bottom: 0;
}

.case-study-app-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.case-study-app-icon img {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  display: block;
}

/* Hover effect for case study cards */
.case-study-link:hover .case-study-title {
  color: var(--color-accent);
}

/* ============================================
   Why Work Section
   ============================================ */

.why-work {
  background-color: var(--color-surface);
  padding: var(--space-32) 0;
}

.value-statements {
  max-width: 880px;
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border);
}

.value-item:first-child {
  padding-top: 0;
}

.value-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.value-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
}

.value-item p {
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin: 0;
  line-height: var(--line-height-relaxed);
}

/* ============================================
   Selected Work
   ============================================ */

.selected-work {
  padding: var(--space-32) 0;
}

.work-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.work-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.work-card:hover .work-title {
  color: var(--color-accent);
}

.work-image {
  aspect-ratio: 16 / 10;
  background-color: var(--color-surface-elevated);
  overflow: hidden;
}

.work-image svg {
  width: 100%;
  height: 100%;
}

.work-content {
  padding: var(--space-5);
}

.work-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-base);
  font-weight: 400;
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}

.work-summary {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-3);
}

.work-tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background-color: var(--color-surface-elevated);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

/* ============================================
   About Section
   ============================================ */

.about {
  padding: var(--space-32) 0;
  background-color: var(--color-surface);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.about-text {
  max-width: 560px;
}

.about-body p {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-5);
}

.about-actions {
  margin-top: var(--space-8);
}

.about-image {
  display: flex;
  justify-content: flex-end;
}

.about-portrait {
  width: 100%;
  max-width: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-portrait svg {
  width: 100%;
  height: auto;
}

/* ============================================
   Contact Section
   ============================================ */

.contact {
  padding: var(--space-32) 0;
  background-color: var(--color-accent-soft);
}

.contact-content {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.contact-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.contact-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  padding: var(--space-12) 0 var(--space-8);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-background);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.footer-name {
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.footer-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-8);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

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

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

/* ============================================
   Case Study Page Styles
   ============================================ */

.case-study-page {
  padding-top: 72px;
}

.case-study-hero {
  padding: var(--space-20) 0 var(--space-12);
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 100%);
  border-bottom: 1px solid var(--color-border);
}

.case-study-hero-content {
  max-width: var(--max-width-narrow);
}

.case-study-hero-content .logo-container {
  margin-bottom: var(--space-4);
}

.case-study-hero-content .logo-container img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  box-shadow: 0 2px 8px rgba(16, 32, 51, 0.08);
  display: block;
}

.case-study-back-link {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-12);
  transition: color var(--transition-fast);
}

.case-study-back-link:hover {
  color: var(--color-accent);
}

.case-study-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-study-hero-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.case-study-hero-summary {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Case Study Meta Data */
.case-study-meta-block {
  background-color: var(--color-surface);
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
}

.case-study-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.meta-item dt {
  font-size: var(--font-size-xs);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.meta-item dd {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin: 0;
}

/* Case Study Content */
.case-study-content-wrapper {
  padding: var(--space-20) 0;
}

.case-study-section {
  margin-bottom: var(--space-16);
}

.case-study-section:last-child {
  margin-bottom: 0;
}

.case-study-section-title {
  font-size: var(--font-size-xl);
  font-weight: 400;
  margin-bottom: var(--space-5);
  color: var(--color-text-primary);
}

.case-study-body {
  max-width: var(--max-width-narrow);
}

.case-study-body p,
.case-study-body ul,
.case-study-body ol {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.case-study-body > *:last-child {
  margin-bottom: 0;
}

.case-study-body ul,
.case-study-body ol {
  padding-left: var(--space-5);
}

.case-study-body ul {
  list-style: disc;
}

.case-study-body ol {
  list-style: decimal;
}

.case-study-body li {
  margin-bottom: var(--space-2);
}

.case-study-body li:last-child {
  margin-bottom: 0;
}

.case-study-body strong {
  color: var(--color-text-primary);
  font-weight: 400;
}

/* Case Study Image Blocks */
.case-study-image-block {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin: var(--space-8) 0;
  box-shadow: var(--shadow-sm);
}

.case-study-image-block img,
.case-study-image-block svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

/* Hero image sizing - 30% smaller than standard images */
.case-study-image-hero img {
  max-width: 70%;
  margin: 0 auto;
  display: block;
}

.case-study-image-continuous {
  margin: var(--space-8) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.case-study-image-continuous img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0;
  padding: 0;
}

.case-study-image-caption {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-4);
  font-style: italic;
}

/* Before/After Comparison */
.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.before-after-item {
  text-align: center;
}

.before-after-item img,
.before-after-item svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  background-color: var(--color-surface-elevated);
}

.before-after-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-top: var(--space-3);
}

.before-after-label--before {
  background-color: var(--color-surface-elevated);
  color: var(--color-text-muted);
}

.before-after-label--after {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
}

/* Impact Metrics */
.impact-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.impact-metric {
  text-align: center;
  padding: var(--space-6);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.impact-metric-value {
  font-size: var(--font-size-3xl);
  font-weight: 400;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

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

/* Case Study Navigation */
.case-study-nav {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.case-study-nav-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.case-study-nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.case-study-nav-link span {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-study-nav-link strong {
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--color-text-primary);
}

.case-study-nav-link:hover strong {
  color: var(--color-accent);
}

.case-study-nav-link--next {
  text-align: right;
}

/* ============================================
   About Page Styles
   ============================================ */

.about-page {
  padding-top: 72px;
}

.about-page-hero {
  padding: var(--space-20) 0 var(--space-12);
}

.about-page-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-6);
}

.about-page-intro {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 720px;
}

.about-page-content {
  padding-bottom: var(--space-20);
}

.about-section {
  margin-bottom: var(--space-16);
}

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

.about-section-title {
  font-size: var(--font-size-xl);
  font-weight: 400;
  margin-bottom: var(--space-5);
}

.about-section-body p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

/* Experience List */
.experience-list {
  border-top: 1px solid var(--color-border);
}

.experience-item {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: var(--space-8);
}

.experience-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.experience-content h3 {
  font-size: var(--font-size-base);
  font-weight: 400;
  margin-bottom: var(--space-1);
}

.experience-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.skill-category h4 {
  font-size: var(--font-size-sm);
  font-weight: 400;
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.skill-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.skill-list li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
  .case-studies-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .case-study-meta-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

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

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    height: calc(100vh - 72px);
    background-color: var(--color-background);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-4);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .nav-link {
    font-size: var(--font-size-lg);
    padding: var(--space-3) 0;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    margin: 0 auto;
  }

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

  .hero-image {
    order: -1;
  }

  .hero-portrait {
    max-width: 280px;
  }

  .trust-items {
    flex-direction: column;
    gap: var(--space-4);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .case-studies-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .work-gallery {
    grid-template-columns: 1fr;
  }

  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-image {
    justify-content: center;
    order: -1;
  }

  .contact-actions {
    flex-direction: column;
    align-items: center;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-6);
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-6);
  }

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

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

  .before-after {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

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

  .case-study-nav-grid {
    flex-direction: column;
    gap: var(--space-4);
  }

  .case-study-nav-link--next {
    text-align: center;
  }

  .experience-item {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .nav-container {
    padding: 0 var(--space-4);
  }

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

  .case-study-meta-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .case-study-image-block {
    padding: var(--space-4);
  }

  .trust-item {
    width: 100%;
  }
}

/* ============================================
   Accessibility Enhancements
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Skip Link for Keyboard Navigation */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background-color: var(--color-accent);
  color: var(--color-surface);
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* Focus visible styles for better keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .nav,
  .hero-actions,
  .contact-actions,
  .footer,
  .case-study-nav {
    display: none !important;
  }

  body {
    background-color: white;
    color: black;
  }

  .case-study-card,
  .work-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* ============================================
   Scroll-Triggered Animations
   Subtle, tasteful fade-up effects
   ============================================ */

/* Reduced motion preference - respect user settings */
@media (prefers-reduced-motion: reduce) {
  .trust-strip,
  .featured-case-studies,
  .why-work,
  .selected-work,
  .about,
  .contact,
  .case-study-card,
  .work-card,
  .value-item {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Base state: elements start slightly faded and offset */
.trust-strip,
.featured-case-studies,
.why-work,
.selected-work,
.about,
.contact {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Visible state: elements animate to final position */
.trust-strip.is-visible,
.featured-case-studies.is-visible,
.why-work.is-visible,
.selected-work.is-visible,
.about.is-visible,
.contact.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animations for child elements */
.case-study-card,
.work-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.case-study-card.is-visible,
.work-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for cards - creates subtle wave effect */
.is-visible .case-study-card:nth-child(1),
.is-visible .work-card:nth-child(1) { transition-delay: 0ms; }
.is-visible .case-study-card:nth-child(2),
.is-visible .work-card:nth-child(2) { transition-delay: 80ms; }
.is-visible .case-study-card:nth-child(3),
.is-visible .work-card:nth-child(3) { transition-delay: 160ms; }
.is-visible .work-card:nth-child(4) { transition-delay: 240ms; }

/* Value items stagger in why-work section */
.value-item {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.value-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.is-visible .value-item:nth-child(1) { transition-delay: 0ms; }
.is-visible .value-item:nth-child(2) { transition-delay: 60ms; }
.is-visible .value-item:nth-child(3) { transition-delay: 120ms; }
.is-visible .value-item:nth-child(4) { transition-delay: 180ms; }
.is-visible .value-item:nth-child(5) { transition-delay: 240ms; }

/* Section headers animate slightly before content */
.section-header {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section-header.is-visible,
is-visible > .section-header {
  opacity: 1;
  transform: translateY(0);
}

/* Trust items subtle fade */
.trust-item {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.trust-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.is-visible .trust-item:nth-child(1) { transition-delay: 0ms; }
.is-visible .trust-item:nth-child(2) { transition-delay: 50ms; }
.is-visible .trust-item:nth-child(3) { transition-delay: 100ms; }
.is-visible .trust-item:nth-child(4) { transition-delay: 150ms; }
.is-visible .trust-item:nth-child(5) { transition-delay: 200ms; }

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-border: #666;
    --color-text-secondary: #333;
    --color-text-muted: #444;
  }
}
/* ============================================
Direction G: End-to-End Delivery — Concepts to Shipped Products
Supplementary styles for directionG-based index.html
============================================ */

/* Flip hero image horizontally */
.hero-portrait img {
  transform: scaleX(-1);
}



/* ============================================
Three.js Hero Portrait
============================================ */
.hero-portrait--3d {
    aspect-ratio: 0.8;
    overflow: hidden;
    background: var(--color-surface);
}

.hero-portrait--3d canvas {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: var(--radius-xl);
}

/* Loading state */
.hero-portrait--loading::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-surface);
    z-index: 1;
    border-radius: var(--radius-xl);
}

.hero-portrait--loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: hero-spin 0.8s linear infinite;
    z-index: 2;
}

@keyframes hero-spin {
    to { transform: rotate(360deg); }
}

.hero-portrait--loaded canvas {
    animation: hero-fade-in 0.5s ease;
}

@keyframes hero-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Hide noscript image when JS is loaded */
.hero-portrait--3d noscript {
    display: none;
}

/* Reduced motion fallback */
@media (prefers-reduced-motion: reduce) {
    .hero-portrait--3d canvas {
        animation: none;
    }
}
/* Section Kicker - Blue accent */
.section-kicker,
p.section-kicker {
  color: var(--color-accent) !important;
}

/* ============================================
Logo Strip — Previous Companies
============================================ */
.logo-strip {
  padding: var(--space-12) 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.logo-strip-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-20);
  flex-wrap: wrap;
}

.logo-item {
  height: 28px;
  width: auto;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: opacity 0.2s ease, filter 0.2s ease;
}

.logo-item:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* ============================================
Hero — End-to-End Focus
============================================ */
.hero-credibility {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.hero-cred-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero-cred-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.hero-cred-icon svg {
  width: 100%;
  height: 100%;
}

.hero-cred-text {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* ============================================
Value Props — Why Work With Me
============================================ */
.why-work { padding: var(--space-20) 0; background: var(--color-surface); }

.value-props {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.value-prop {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-background);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.value-prop-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--color-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-prop-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.value-prop-content { flex: 1; }

.value-prop-title {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.value-prop-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ============================================
Shipped Work — Case Studies
============================================ */
.featured-case-studies {
  padding: var(--space-24) 0;
  background: var(--color-background);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-6);
  max-width: 900px;
  margin: var(--space-10) auto 0;
}

.case-study-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 2fr 1fr;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.case-study-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.case-study-link { display: contents; color: inherit; text-decoration: none; }

.case-study-image {
  position: relative;
  overflow: hidden;
  background: var(--color-surface-elevated);
}

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

.case-study-badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: var(--color-accent);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
}

.case-study-content {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-study-client {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.case-study-client img { width: 24px; height: 24px; border-radius: var(--radius-sm); }

.case-study-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.case-study-summary {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.case-study-impact {
  display: flex;
  gap: var(--space-4);
  margin-top: auto;
}

.case-study-impact-item {
  font-size: var(--font-size-xs);
}

.case-study-impact-item strong {
  display: block;
  color: var(--color-success);
  font-weight: 600;
  font-size: var(--font-size-base);
}

.case-study-impact-item span {
  color: var(--color-text-muted);
}

/* ============================================
Results — Impact Delivered
============================================ */
.results-section {
  padding: var(--space-16) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.results-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.results-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}

.results-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  max-width: 960px;
  margin: 0 auto;
}

.result-card {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-background);
  border-radius: var(--radius-lg);
}

.result-value {
  font-size: var(--font-size-3xl);
  font-weight: 600;
  color: var(--color-success);
  margin-bottom: var(--space-2);
}

.result-value.negative { color: var(--color-accent); }

.result-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.result-context {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

/* ============================================
Delivery Approach — The Process
============================================ */
.delivery-process {
  padding: var(--space-24) 0;
  background: var(--color-background);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.process-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-12);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
  position: relative;
}

.process-step {
  position: relative;
  text-align: center;
}

.process-step-number {
  width: 72px;
  height: 72px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-md);
}

.process-step.active .process-step-number {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.process-step-title {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.process-step-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Connector line */
.process-grid::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-border) 0%, var(--color-accent) 50%, var(--color-border) 100%);
  z-index: 0;
}

.process-step { z-index: 1; }

/* ============================================
Capabilities — Domain Expertise
============================================ */
.capabilities {
  padding: var(--space-24) 0;
  background: var(--color-surface);
}

.capabilities-header {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-12);
  align-items: start;
  margin-bottom: var(--space-12);
}

.capabilities-intro h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}

.capabilities-intro p {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.capabilities-table {
  display: grid;
  gap: var(--space-1);
}

.capability-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.capability-row:last-child { border-bottom: none; }

.capability-category {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.capability-list {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.capability-note {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-accent-soft);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-accent);
}

.capability-note p {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  line-height: 1.5;
  margin: 0;
}

/* ============================================
About — Personality
============================================ */
.about-section {
  padding: var(--space-24) 0;
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-image-side {
  position: relative;
}

.about-image-side img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
}

.about-content-side {
  padding-right: var(--space-8);
}

.about-content-side p {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.about-quote {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  line-height: 1.5;
  padding: var(--space-6) var(--space-6) var(--space-6) var(--space-8);
  border-left: 3px solid var(--color-accent);
  background: var(--color-background);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin: var(--space-6) 0;
}

.about-personal {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* ============================================
Contact CTA
============================================ */
.contact-cta {
  padding: var(--space-24) 0;
  background: var(--color-accent-soft);
}

.contact-content {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.contact-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

.contact-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

/* ============================================
Selected Work — Additional Projects
============================================ */
.selected-work { padding: var(--space-24) 0; background: var(--color-surface); }

.work-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.work-card {
  background: var(--color-background);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.work-card a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.work-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.work-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.work-content {
  padding: var(--space-5);
}

.work-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.work-summary {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}

.work-tag {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}


/* ============================================
   SCROLL ANIMATIONS - applied variants
   1A, 2B, 3A, 4D, 5A, 6B, 7A, 8A, 9D
======================================== */

/* Base animation state */
.anim-logo-item,
.anim-value-prop,
.anim-case-study-card,
.anim-work-card,
.anim-results,
.anim-process-step,
.anim-capabilities,
.anim-cap-category,
.anim-about-image,
.anim-about-portrait,
.anim-contact {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Section visibility - show containers when is-visible is added */
.anim-results.is-visible,
.anim-capabilities.is-visible,
.anim-contact.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 1A: Logo Strip - Sequential Reveal */
.anim-logo-strip.is-visible .anim-logo-item {
  opacity: 1;
  transform: translateY(0);
}

.anim-logo-strip.is-visible .anim-logo-item:nth-child(1) { transition-delay: 0ms; }
.anim-logo-strip.is-visible .anim-logo-item:nth-child(2) { transition-delay: 100ms; }
.anim-logo-strip.is-visible .anim-logo-item:nth-child(3) { transition-delay: 200ms; }
.anim-logo-strip.is-visible .anim-logo-item:nth-child(4) { transition-delay: 300ms; }

/* 2B: Why Work - Icon Rotation + Fade */
.anim-why-work.is-visible .anim-value-prop {
  opacity: 1;
  transform: translateY(0);
}

.anim-why-work.is-visible .anim-value-prop:nth-child(1) { transition-delay: 0ms; }
.anim-why-work.is-visible .anim-value-prop:nth-child(2) { transition-delay: 100ms; }
.anim-why-work.is-visible .anim-value-prop:nth-child(3) { transition-delay: 200ms; }
.anim-why-work.is-visible .anim-value-prop:nth-child(4) { transition-delay: 300ms; }

.anim-why-work .anim-value-icon svg {
  transform: rotate(-180deg);
  opacity: 0;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.5s ease;
}

.anim-why-work.is-visible .anim-value-icon svg {
  transform: rotate(0deg);
  opacity: 1;
}

.anim-why-work.is-visible .anim-value-prop:nth-child(1) .anim-value-icon svg { transition-delay: 150ms; }
.anim-why-work.is-visible .anim-value-prop:nth-child(2) .anim-value-icon svg { transition-delay: 250ms; }
.anim-why-work.is-visible .anim-value-prop:nth-child(3) .anim-value-icon svg { transition-delay: 350ms; }
.anim-why-work.is-visible .anim-value-prop:nth-child(4) .anim-value-icon svg { transition-delay: 450ms; }

/* 3A: Case Studies - Card Expansion */
.anim-case-studies .anim-case-study-card {
  opacity: 0;
  transform: scale(0.9) translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.anim-case-studies.is-visible .anim-case-study-card {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.anim-case-studies.is-visible .anim-case-study-card:nth-child(1) { transition-delay: 0ms; }
.anim-case-studies.is-visible .anim-case-study-card:nth-child(2) { transition-delay: 120ms; }
.anim-case-studies.is-visible .anim-case-study-card:nth-child(3) { transition-delay: 240ms; }

/* 4D: Selected Work - Cascade Ripple */
.anim-selected-work .anim-work-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.anim-selected-work.is-visible .anim-work-card {
  opacity: 1;
  transform: translateY(0);
}

.anim-selected-work.is-visible .anim-work-card:nth-child(1) { transition-delay: 0ms; }
.anim-selected-work.is-visible .anim-work-card:nth-child(2) { transition-delay: 80ms; }
.anim-selected-work.is-visible .anim-work-card:nth-child(3) { transition-delay: 160ms; }
.anim-selected-work.is-visible .anim-work-card:nth-child(4) { transition-delay: 240ms; }

/* Highlight effect for hover cascade */
.anim-work-card.is-highlighted {
  box-shadow: 0 0 0 3px var(--color-accent), var(--shadow-card-hover);
  transition: all 0.3s ease;
}

/* 5A: Results - Counter Animation base */
.anim-results .result-card {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.anim-results.is-visible .result-card {
  opacity: 1;
  transform: translateY(0);
}

.anim-results.is-visible .result-card:nth-child(1) { transition-delay: 0ms; }
.anim-results.is-visible .result-card:nth-child(2) { transition-delay: 100ms; }
.anim-results.is-visible .result-card:nth-child(3) { transition-delay: 200ms; }
.anim-results.is-visible .result-card:nth-child(4) { transition-delay: 300ms; }

/* 6B: Process - Timeline Progress */
.anim-process .anim-process-step {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.anim-process.is-visible .anim-process-step {
  opacity: 1;
  transform: translateY(0);
}

.anim-process.is-visible .anim-process-step:nth-child(2) { transition-delay: 0ms; }
.anim-process.is-visible .anim-process-step:nth-child(3) { transition-delay: 150ms; }
.anim-process.is-visible .anim-process-step:nth-child(4) { transition-delay: 300ms; }
.anim-process.is-visible .anim-process-step:nth-child(5) { transition-delay: 450ms; }
.anim-process.is-visible .anim-process-step:nth-child(6) { transition-delay: 600ms; }

/* Timeline connector line */
.process-connector {
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent) var(--progress, 0%), var(--color-border) var(--progress, 0%));
  z-index: 0;
  transition: none;
}

/* 7A: Capabilities - Typewriter */
.anim-capabilities.is-visible .anim-cap-category {
  opacity: 1;
  transform: translateY(0);
}

.anim-capabilities .capability-row {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.anim-capabilities.is-visible .capability-row {
  opacity: 1;
  transform: translateY(0);
}

.anim-capabilities.is-visible .capability-row:nth-child(1) { transition-delay: 0ms; }
.anim-capabilities.is-visible .capability-row:nth-child(2) { transition-delay: 400ms; }
.anim-capabilities.is-visible .capability-row:nth-child(3) { transition-delay: 800ms; }
.anim-capabilities.is-visible .capability-row:nth-child(4) { transition-delay: 1200ms; }
.anim-capabilities.is-visible .capability-row:nth-child(5) { transition-delay: 1600ms; }

/* 8A: About - Portrait Parallax */
.anim-about .about-content-side {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.anim-about.is-visible .about-content-side {
  opacity: 1;
  transform: translateX(0);
}

.anim-about .anim-about-image {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.anim-about.is-visible .anim-about-image {
  opacity: 1;
  transform: translateX(0);
}

/* 9D: Contact - Ripple Effect base styles */
.anim-contact .contact-content {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.anim-contact.is-visible .contact-content {
  opacity: 1;
  transform: translateY(0);
}

.anim-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(27, 102, 255, 0.1);
  transform: scale(0);
  animation: rippleExpand 2s ease-out forwards;
  pointer-events: none;
}

@keyframes rippleExpand {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .anim-logo-item,
  .anim-value-prop,
  .anim-case-study-card,
  .anim-work-card,
  .anim-results,
  .anim-process-step,
  .anim-capabilities,
  .anim-cap-category,
  .anim-about-image,
  .anim-contact {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  
  .anim-ripple {
    display: none !important;
  }
}

/* ============================================
3D Parallax Hero Image
============================================ */

.hero-parallax {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.hero-parallax canvas {
  width: 100% !important;
  height: 100% !important;
  border-radius: var(--radius-xl);
  display: block;
}

/* Make hero image container fill available space */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 500px;
}

@media (max-width: 768px) {
  .hero-image {
    order: -1;
    min-height: 400px;
  }
  
  .hero-parallax {
    max-width: 280px;
    margin: 0 auto;
  }
}