@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

/* ==========================================================================
   DESIGN TOKENS & CUSTOM PROPERTIES
   ========================================================================== */
:root {
  /* Colors */
  --bg-base: #06070a;
  --bg-surface: #0e1118;
  --bg-surface-elevated: #161a23;
  --bg-glass: rgba(14, 17, 24, 0.7);
  --border-color: rgba(255, 255, 255, 0.06);
  --border-color-hover: rgba(255, 255, 255, 0.12);
  
  --color-primary: #00f0ff;      /* Electric Cyan */
  --color-primary-rgb: 0, 240, 255;
  --color-secondary: #ff8c32;    /* Warm Amber */
  --color-secondary-rgb: 255, 140, 50;
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  /* Layout & Spacing */
  --container-max-width: 1200px;
  --header-height: 80px;
  --header-height-shrunk: 60px;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows & Glows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --glow-primary: 0 0 20px rgba(var(--color-primary-rgb), 0.25);
  --glow-secondary: 0 0 20px rgba(var(--color-secondary-rgb), 0.2);
}

/* ==========================================================================
   RESET & SYSTEM STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-surface-elevated);
  border-radius: var(--border-radius-sm);
  border: 2px solid var(--bg-base);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 600;
}

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

p.lead {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  font-weight: 400;
  line-height: 1.7;
}

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

a:hover {
  color: #fff;
}

.gradient-text {
  background: linear-gradient(135deg, #fff 30%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.gradient-text-alt {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* ==========================================================================
   LAYOUT COMPONENTS & WRAPPERS
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 8rem 0;
  position: relative;
}

/* Background Gradients/Grid Effects */
.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  opacity: 0.04;
  background-size: 40px 40px;
  background-image: linear-gradient(to right, #fff 1px, transparent 1px),
                    linear-gradient(to bottom, #fff 1px, transparent 1px);
}

.glow-orb {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.15) 0%, transparent 70%);
  z-index: -1;
  filter: blur(40px);
  pointer-events: none;
}

.glow-orb-alt {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--color-secondary-rgb), 0.1) 0%, transparent 70%);
  z-index: -1;
  filter: blur(50px);
  pointer-events: none;
}

/* ==========================================================================
   NAV NAVIGATION BAR
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: height var(--transition-normal), 
              background-color var(--transition-normal),
              border-color var(--transition-normal);
}

header.scrolled {
  height: var(--header-height-shrunk);
  background-color: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

/* Native CSS Scroll-driven header shrink (for supporting browsers) */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: scroll()) and (animation-range: 0% 100%)) {
    header {
      animation: shrink-header auto linear both;
      animation-timeline: scroll(block root);
      animation-range: 0px 100px;
    }
    header.scrolled {
      /* Disable JS changes if native is active */
      background-color: var(--bg-glass);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }
  }
}

@keyframes shrink-header {
  to {
    height: var(--header-height-shrunk);
    background-color: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
  }
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
  box-shadow: var(--glow-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
  box-shadow: var(--glow-primary);
}

.nav-link:hover {
  color: #fff;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: #fff;
}

/* Burger Menu Trigger */
.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.burger-line {
  width: 100%;
  height: 2px;
  background-color: #fff;
  transition: var(--transition-normal);
}

/* Hamburger state active */
.burger-menu.open .burger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.burger-menu.open .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-menu.open .burger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav Drawer overlay */
.nav-mobile-overlay {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-color);
  z-index: 999;
  padding: 8rem 2.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  transition: right var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.nav-mobile-overlay.open {
  right: 0;
}

.nav-mobile-menu {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  list-style: none;
}

.nav-mobile-link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--text-secondary);
}

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

/* Backdrop for Mobile Menu open */
.menu-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.menu-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-normal);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--bg-base);
  box-shadow: var(--glow-primary);
}

.btn-primary:hover {
  background-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: #fff;
  background-color: rgba(255, 255, 255, 0.04);
}

.btn-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 4rem;
  min-height: calc(100vh - var(--header-height));
  padding-top: var(--header-height);
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-tag {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.hero-tag::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
  box-shadow: var(--glow-primary);
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-description {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-interactive-card {
  position: relative;
  width: 320px;
  height: 320px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.hero-interactive-card:hover {
  transform: translateY(-8px);
  border-color: rgba(var(--color-primary-rgb), 0.3);
}

.hero-badge-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  width: 80%;
}

.hero-badge {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 1.25rem 1rem;
  border-radius: var(--border-radius-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero-badge-val {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
}

.hero-badge-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.hero-circle-accent {
  position: absolute;
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  animation: spin 60s linear infinite;
  z-index: 1;
}

.circle-1 {
  width: 440px;
  height: 440px;
}

.circle-2 {
  width: 520px;
  height: 520px;
  animation-duration: 90s;
  animation-direction: reverse;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   BIOGRAPHY SECTION
   ========================================================================== */
.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.bio-brand {
  position: relative;
  display: flex;
  justify-content: center;
}

.brand-monogram {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(135deg, var(--bg-surface-elevated) 0%, var(--bg-base) 100%);
  border: 2px solid var(--border-color);
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.05em;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.brand-monogram::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(var(--color-primary-rgb), 0.1), transparent);
  transform: rotate(45deg);
  animation: shimmer 8s infinite linear;
}

@keyframes shimmer {
  0% { transform: translate(-100%, -100%) rotate(45deg); }
  100% { transform: translate(100%, 100%) rotate(45deg); }
}

.bio-content h2 {
  margin-bottom: 2rem;
}

.bio-services {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.service-icon-box {
  width: 44px;
  height: 44px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.service-text h4 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.service-text p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 4rem;
}

.section-title-wrapper {
  max-width: 600px;
}

.section-label {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  font-weight: 600;
  display: block;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), 
              border-color var(--transition-normal), 
              box-shadow var(--transition-normal);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(var(--color-primary-rgb), 0.25);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(var(--color-primary-rgb), 0.05);
}

.project-image-box {
  width: 100%;
  aspect-ratio: 16/10;
  background-color: var(--bg-surface-elevated);
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.project-svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-svg {
  transform: scale(1.04);
}

.project-info {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-meta {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.project-meta-item {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.project-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #fff;
  transition: var(--transition-fast);
}

.project-card:hover .project-title {
  color: var(--color-primary);
}

.project-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.project-link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  margin-top: auto;
}

.project-link-arrow {
  transition: transform var(--transition-fast);
}

.project-card:hover .project-link-arrow {
  transform: translateX(4px);
  color: var(--color-primary);
}

/* ==========================================================================
   EXPERIENCE & EDUCATION TIMELINE
   ========================================================================== */
.experience-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
}

.timeline-column h3 {
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.timeline-column h3 svg {
  color: var(--color-primary);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  position: relative;
  padding-left: 2rem;
  border-left: 1px solid var(--border-color);
  gap: 3rem;
}

.timeline-item {
  position: relative;
}

.timeline-dot {
  position: absolute;
  left: -2.35rem;
  top: 0.35rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background-color: var(--bg-base);
  border: 2px solid var(--color-primary);
  box-shadow: var(--glow-primary);
  z-index: 2;
  transition: background-color var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
  background-color: var(--color-primary);
}

.timeline-duration {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  display: block;
}

.timeline-role {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 1rem;
  display: block;
}

.timeline-details {
  font-size: 0.95rem;
  color: var(--text-secondary);
  list-style: none;
}

.timeline-details li {
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1.25rem;
}

.timeline-details li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ==========================================================================
   CASE STUDY DETAIL PAGES
   ========================================================================== */
.case-study-hero {
  padding: 10rem 0 5rem;
  position: relative;
}

.case-study-category {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  display: inline-block;
}

.case-study-hero h1 {
  margin-bottom: 2rem;
  max-width: 900px;
}

.case-study-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-top: 3rem;
}

.meta-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  display: block;
}

.meta-value {
  font-weight: 500;
  color: #fff;
  font-size: 1rem;
  white-space: pre-line;
}

.case-study-banner {
  width: 100%;
  aspect-ratio: 21/9;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  margin-bottom: 5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.case-study-content-grid {
  display: grid;
  grid-template-columns: 0.4fr 1.6fr;
  gap: 6rem;
}

.case-study-sidebar {
  position: sticky;
  top: 120px;
  height: fit-content;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sidebar-link {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--text-muted);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-link::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: transparent;
  transition: var(--transition-fast);
}

.sidebar-link:hover {
  color: #fff;
}

.sidebar-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.sidebar-link.active::before {
  background-color: var(--color-primary);
  box-shadow: var(--glow-primary);
}

.case-study-body {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.body-section {
  scroll-margin-top: 120px;
}

.body-section h2 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.body-section p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.body-section blockquote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  color: #fff;
  border-left: 3px solid var(--color-primary);
  padding-left: 2rem;
  margin: 2.5rem 0;
  line-height: 1.6;
}

.body-section ul,
.body-section ol {
  padding-left: 2rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.body-section li {
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
footer {
  padding: 6rem 0;
  border-top: 1px solid var(--border-color);
  background-color: #040508;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin-top: 1rem;
  max-width: 320px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: var(--text-secondary);
}

.footer-link:hover {
  color: var(--color-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-bottom p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: 1.25rem;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-secondary);
  transition: var(--transition-normal);
}

.social-icon-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--glow-primary);
}

/* ==========================================================================
   SCROLL-DRIVEN & REVEAL ANIMATIONS (PROGRESSIVE ENHANCEMENT)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Native CSS Scroll-driven animations (ViewTimeline) for modern browsers */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes fade-in-up {
      from {
        opacity: 0;
        transform: translateY(40px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .scroll-reveal {
      animation: fade-in-up auto cubic-bezier(0.4, 0, 0.2, 1) both;
      animation-timeline: view();
      animation-range: entry 10% entry 40%;
    }
  }
}

/* ==========================================================================
   404 ERROR PAGE
   ========================================================================== */
.error-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 100vh;
  padding: 2rem;
}

.error-code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 15vw, 10rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(var(--color-primary-rgb), 0.2));
}

.error-title {
  margin-bottom: 1rem;
}

.error-description {
  margin-bottom: 2.5rem;
  max-width: 440px;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-wrapper {
    gap: 2rem;
  }
  .bio-grid {
    gap: 4rem;
  }
  .projects-grid {
    gap: 2rem;
  }
  .experience-layout {
    gap: 3rem;
  }
  .case-study-content-grid {
    gap: 3rem;
  }
}

@media (max-width: 900px) {
  .hero-wrapper {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 6rem;
    padding-bottom: 4rem;
    min-height: auto;
  }
  .hero-content {
    align-items: center;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-visual {
    margin-top: 2rem;
  }
  .bio-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .bio-brand {
    order: -1;
  }
  .projects-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  .experience-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .case-study-meta-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .case-study-content-grid {
    grid-template-columns: 1fr;
  }
  .case-study-sidebar {
    display: none; /* Hide sidebar nav on mobile/tablets */
  }
}

@media (max-width: 768px) {
  section {
    padding: 5rem 0;
  }
  .nav-menu {
    display: none; /* Hide desktop nav menu */
  }
  .burger-menu {
    display: flex; /* Show hamburger button */
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 3rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-brand {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }
  .btn {
    width: 100%;
  }
  .hero-interactive-card {
    width: 280px;
    height: 280px;
  }
  .hero-badge-container {
    width: 90%;
  }
  .case-study-meta-grid {
    grid-template-columns: 1fr;
  }
}