/* ─────────────────────────────────────────────────────────────
   SONU RAJENDRAN — PORTFOLIO DESIGN SYSTEM (V2.0 ENTERPRISE UPGRADE)
   Color Palette: Deep Tech Navy (#0B1220) + Electric Indigo (#4F46E5) + Tech Cyan (#0EA5A4) + Warm Amber (#F5B942)
   Typography: Outfit (Display Headlines) + Inter (Body & Data)
   Architecture: Data-Driven Single Page + Deep-Linked Case Study Overlay
   ───────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800;900&display=swap');

:root {
  /* Color Tokens */
  --bg-navy: #0B1220;
  --bg-navy-card: #131E32;
  --brand-primary: #4F46E5;         /* Electric Indigo */
  --brand-primary-dark: #3730A3;
  --brand-primary-light: #EEF2FF;
  --brand-secondary: #0EA5A4;       /* Tech Cyan / Teal */
  --brand-accent: #F5B942;          /* Warm Amber */
  --brand-accent-hover: #E09E20;
  --accent-lime: #10B981;           /* Pulse indicator green */
  
  --surface-white: #FFFFFF;
  --surface-light: #F7F8FC;
  --surface-muted: #F1F3F9;
  --surface-card: #FFFFFF;
  --surface-dark: #0B1220;
  
  --text-primary: #111827;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-on-dark: #F8FAFC;
  
  --border-light: #E2E8F0;
  --border-dark: rgba(255, 255, 255, 0.12);
  --border-focus: #4F46E5;
  
  /* Fonts */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing & Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(79, 70, 229, 0.08);
  --shadow-lg: 0 20px 40px rgba(11, 18, 32, 0.12);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--surface-light);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Relaxed Container Width */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

/* Background Technical Grid Overlay */
.tech-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    radial-gradient(rgba(79, 70, 229, 0.04) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

.site-wrapper {
  position: relative;
  z-index: 1;
}

/* Typography Utilities */
.section-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 3px;
  background-color: var(--brand-accent);
  border-radius: var(--radius-full);
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 720px;
}

.highlight-box {
  display: inline-block;
  background-color: var(--brand-accent);
  color: #0F172A;
  padding: 0.1em 0.35em;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(245, 185, 66, 0.3);
}

/* ═════════════════════════════════════════════════════════════
   NAVBAR (CLEANED UP & ALIGNED)
   ═════════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition-fast);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 75px;
  gap: 1.5rem;
}

.brand-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  white-space: nowrap;
  line-height: 1.2;
}

.brand-logo span {
  color: var(--brand-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.4rem 0;
  display: inline-block;
  line-height: 1;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--brand-accent);
  border-radius: var(--radius-full);
}

.nav-cv-btn {
  padding: 0.65rem 1.3rem;
  font-size: 0.82rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.btn-primary {
  background-color: var(--brand-accent);
  color: #0F172A;
  box-shadow: 0 4px 14px rgba(245, 185, 66, 0.35);
}

.btn-primary:hover {
  background-color: var(--brand-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245, 185, 66, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  transform: translateY(-2px);
  background: var(--brand-primary-light);
}

.btn-icon {
  width: 18px;
  height: 18px;
  transition: var(--transition-fast);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 3px;
  background-color: var(--text-primary);
  border-radius: 2px;
}

/* ═════════════════════════════════════════════════════════════
   HERO SECTION
   ═════════════════════════════════════════════════════════════ */
.hero-section {
  padding-top: 135px;
  padding-bottom: 70px;
  background: linear-gradient(135deg, #0B1220 0%, #172554 50%, #1E1B4B 100%);
  color: var(--surface-white);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.25) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--surface-white);
  border: 1px solid rgba(255, 255, 255, 0.15);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 9px;
  height: 9px;
  background-color: var(--accent-lime);
  border-radius: 50%;
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--accent-lime);
  border-radius: 50%;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(2.5); opacity: 0; }
}

.hero-headline {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--surface-white);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.88);
  max-width: 620px;
  margin-bottom: 2rem;
  font-weight: 400;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.hero-actions .btn-outline {
  color: var(--surface-white);
  border-color: rgba(255, 255, 255, 0.35);
}

.hero-actions .btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--surface-white);
  color: var(--surface-white);
}

/* Hero Profile Photo & FIVE Floating Expertise Cards */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 440px;
}

.avatar-wrapper {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  padding: 8px;
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 50%, var(--brand-accent) 100%);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
  z-index: 2;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  background-color: var(--bg-navy-card);
}

/* Floating Expertise Cards Container */
.hero-float-cards-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
}

.hero-float-card {
  position: absolute;
  background: rgba(19, 30, 50, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.2rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  pointer-events: auto;
  transition: var(--transition-fast);
  max-width: 250px;
}

.hero-float-card:hover {
  transform: translateY(-4px) scale(1.03);
  border-color: var(--brand-accent);
  box-shadow: 0 16px 40px rgba(245, 185, 66, 0.25);
}

.hero-float-title {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--brand-accent);
  margin-bottom: 0.15rem;
  text-transform: uppercase;
}

.hero-float-stack {
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.25;
}

.hero-float-1 { top: 5px; left: -40px; }            /* Top-Left */
.hero-float-2 { top: 10px; right: -40px; }          /* Top-Right */
.hero-float-3 { top: 185px; right: -55px; }         /* Middle-Right */
.hero-float-4 { bottom: 10px; left: -35px; }        /* Bottom-Left */
.hero-float-5 { bottom: 0px; right: -30px; }         /* Bottom-Right */

/* ═════════════════════════════════════════════════════════════
   REDESIGNED HERO ACHIEVEMENTS / METRICS BAR
   ═════════════════════════════════════════════════════════════ */
.hero-achievements-bar {
  margin-top: 3.5rem;
  padding: 2.2rem 3rem;
  background-color: var(--bg-navy-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-dark);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  overflow: hidden;
}

.hero-achieve-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  position: relative;
  z-index: 1;
}

.hero-achieve-val {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--brand-accent);
  line-height: 1;
  letter-spacing: -0.02em;
}

.hero-achieve-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.35;
}

/* ═════════════════════════════════════════════════════════════
   WHAT I WORK WITH — TECHNICAL DOMAINS
   ═════════════════════════════════════════════════════════════ */
.capabilities-section {
  padding: 95px 0;
  background-color: var(--surface-white);
}

.capability-rows {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  margin-top: 3rem;
}

.capability-row {
  background-color: var(--surface-muted);
  border-radius: var(--radius-md);
  padding: 2.2rem 2.8rem;
  border: 1px solid var(--border-light);
  transition: var(--transition-smooth);
}

.capability-row:hover {
  background-color: #EEF2FF;
  border-color: var(--brand-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.capability-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 0.85rem;
}

.capability-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--brand-primary);
  line-height: 1;
}

.capability-name {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.capability-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.pill-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.pill-tag {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  background-color: var(--surface-white);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  transition: var(--transition-fast);
}

.capability-row:hover .pill-tag {
  border-color: rgba(79, 70, 229, 0.3);
  box-shadow: var(--shadow-sm);
}

/* ═════════════════════════════════════════════════════════════
   ABOUT ME SECTION
   ═════════════════════════════════════════════════════════════ */
.about-section {
  padding: 95px 0;
  background-color: var(--surface-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.about-frame {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-img {
  width: 100%;
  display: block;
}

.about-bio {
  font-size: 1.08rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--surface-white);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.stat-card:hover {
  border-color: var(--brand-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.stat-val {
  font-family: var(--font-display);
  font-size: 2.3rem;
  font-weight: 900;
  color: var(--brand-primary);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ═════════════════════════════════════════════════════════════
   TWO SIDE-BY-SIDE LIFECYCLE WORKFLOWS
   ═════════════════════════════════════════════════════════════ */
.workflow-section {
  padding: 95px 0;
  background-color: var(--surface-white);
}

.workflows-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
}

.workflow-column {
  background-color: var(--surface-light);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
}

.workflow-col-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--brand-primary-light);
}

.workflow-col-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--surface-white);
  background-color: var(--brand-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.workflow-col-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.workflow-steps-vertical {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.workflow-step-card {
  width: 100%;
  background-color: var(--surface-white);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 1.2rem;
  transition: var(--transition-fast);
}

.workflow-step-card:hover {
  background-color: #EEF2FF;
  border-color: var(--brand-primary);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.workflow-step-card.highlight-step {
  background: linear-gradient(135deg, var(--brand-primary) 0%, #3730A3 100%);
  color: var(--surface-white);
  border: none;
}

.workflow-step-card.highlight-step .workflow-step-title {
  color: var(--brand-accent);
}

.workflow-step-card.highlight-step .workflow-step-desc {
  color: rgba(255, 255, 255, 0.9);
}

.workflow-step-num {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--brand-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.highlight-step .workflow-step-num {
  background: var(--brand-accent);
  color: #0F172A;
}

.workflow-step-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: 0.15rem;
}

.workflow-step-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.workflow-step-arrow {
  font-size: 1.2rem;
  color: var(--brand-primary);
  font-weight: bold;
}

/* ═════════════════════════════════════════════════════════════
   METHODOLOGY SECTION — TWO DUAL TRACKS
   ═════════════════════════════════════════════════════════════ */
.process-section {
  padding: 95px 0;
  background-color: var(--surface-light);
}

.methodology-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
}

.methodology-column {
  background-color: var(--surface-white);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.methodology-col-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-light);
}

.methodology-track-tag {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 0.5rem;
}

.methodology-track-tag.analytics-tag {
  background-color: var(--brand-primary-light);
  color: var(--brand-primary);
}

.methodology-track-tag.platform-tag {
  background-color: rgba(14, 165, 164, 0.15);
  color: #0D9488;
}

.methodology-col-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.methodology-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.process-card {
  background-color: var(--surface-light);
  padding: 1.4rem 1.6rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition-fast);
}

.process-card:hover {
  border-color: var(--brand-primary);
  transform: translateY(-2px);
  background-color: #EEF2FF;
  box-shadow: var(--shadow-sm);
}

.process-icon-wrapper {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 900;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-primary) 0%, #3730A3 100%);
  color: var(--brand-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.process-icon-wrapper.platform-icon {
  background: linear-gradient(135deg, #0EA5A4 0%, #0F766E 100%);
  color: var(--surface-white);
}

.process-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.process-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ═════════════════════════════════════════════════════════════
   EXPERIENCE SECTION (TIMELINE)
   ═════════════════════════════════════════════════════════════ */
.experience-section {
  padding: 95px 0;
  background-color: var(--surface-white);
}

.timeline {
  position: relative;
  max-width: 1100px;
  margin: 3rem auto 0 auto;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--brand-primary) 0%, var(--brand-secondary) 50%, var(--brand-accent) 100%);
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.8rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 6px;
  left: -2rem;
  transform: translateX(-50%);
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background-color: var(--brand-accent);
  border: 4px solid var(--surface-white);
  box-shadow: 0 0 0 3px var(--brand-primary);
}

.timeline-card {
  background: var(--surface-light);
  padding: 2.2rem 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.timeline-card:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-md);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.role-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-primary);
}

.company-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-primary);
}

.period-badge {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
  background-color: var(--brand-primary-light);
  color: var(--brand-primary);
}

.timeline-bullets {
  list-style-type: none;
  margin-top: 0.85rem;
}

.timeline-bullets li {
  font-size: 0.94rem;
  color: var(--text-secondary);
  margin-bottom: 0.65rem;
  position: relative;
  padding-left: 1.3rem;
  line-height: 1.6;
}

.timeline-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--brand-primary);
  font-weight: bold;
}

/* ═════════════════════════════════════════════════════════════
   PROJECTS SECTION & DYNAMIC COUNTS
   ═════════════════════════════════════════════════════════════ */
.projects-section {
  padding: 95px 0;
  background-color: var(--surface-light);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin: 2.5rem 0 3.5rem 0;
}

.category-description {
  text-align: center;
  max-width: 720px;
  margin: -1.5rem auto 2.5rem auto;
  padding: 0.9rem 1.5rem;
  background: var(--surface-white);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--brand-primary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.filter-tab {
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  background-color: var(--surface-white);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  transition: var(--transition-fast);
}

.filter-tab:hover {
  color: var(--brand-primary);
  border-color: var(--brand-primary);
}

.filter-tab.active {
  background-color: var(--brand-primary);
  color: var(--surface-white);
  border-color: var(--brand-primary);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 2.2rem;
}

.project-card {
  background: var(--surface-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(79, 70, 229, 0.4);
}

/* Card Preview Slider Container */
.card-thumb-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
}

.card-slides-container {
  width: 100%;
  height: 100%;
  position: relative;
}

.card-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.6s ease-in-out;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}

.card-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.card-slide img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: transform var(--transition-smooth);
}

.project-card:hover .card-slide img {
  transform: scale(1.03);
}

.card-slider-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 5px;
  z-index: 5;
}

.card-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: var(--transition-fast);
}

.card-dot.active {
  background: var(--brand-accent);
  width: 16px;
  border-radius: 10px;
}

.tier-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  z-index: 6;
}

.tier-badge.professional {
  background-color: var(--brand-primary);
  color: var(--surface-white);
}

.tier-badge.project {
  background-color: var(--brand-accent);
  color: #0F172A;
}

.tier-badge.practice {
  background-color: #64748B;
  color: var(--surface-white);
}

.card-body {
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.card-outcome {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.55;
  flex-grow: 1;
}

.card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.card-tool-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background-color: var(--surface-muted);
  color: var(--text-secondary);
}

.card-link {
  color: var(--brand-primary);
  font-weight: 700;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: var(--transition-fast);
}

.project-card:hover .card-link {
  color: var(--brand-accent-hover);
}

.load-more-wrapper {
  text-align: center;
  margin-top: 3.5rem;
}

/* ═════════════════════════════════════════════════════════════
   DEDICATED PROJECT CASE STUDY OVERLAY
   ═════════════════════════════════════════════════════════════ */
.case-study-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999;
  background-color: var(--surface-white);
  overflow-y: auto;
  display: none;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.case-study-overlay.active {
  display: block;
  opacity: 1;
}

.case-study-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 100px 24px;
}

.cs-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--brand-primary);
  text-transform: uppercase;
  margin-bottom: 2rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.cs-back-btn:hover {
  color: var(--brand-accent-hover);
  transform: translateX(-4px);
}

.cs-category-tier {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--brand-primary);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.cs-title {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.cs-summary {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.75rem;
  max-width: 850px;
}

.cs-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 3rem;
}

.cs-tech-pill {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background-color: var(--brand-primary-light);
  color: var(--brand-primary);
}

/* Media Showcase */
.cs-media-showcase {
  background-color: var(--bg-navy);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 4rem;
  position: relative;
}

.cs-media-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cs-media-item {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: none;
}

.cs-media-item.active {
  display: block;
}

.cs-video-player {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.cs-carousel-nav {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 1rem;
  pointer-events: none;
  z-index: 10;
}

.cs-nav-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  pointer-events: auto;
  transition: var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cs-nav-btn:hover {
  background: var(--brand-accent);
  color: #000;
  transform: scale(1.08);
}

.cs-carousel-footer {
  padding: 1rem 1.5rem;
  background-color: var(--bg-navy-card);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #94A3B8;
  font-size: 0.85rem;
  font-weight: 600;
}

.cs-thumb-strip {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
}

.cs-thumb-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition-fast);
}

.cs-thumb-dot.active {
  background: var(--brand-accent);
  width: 24px;
  border-radius: 10px;
}

/* Case Study Content Grid & Sections */
.cs-content-grid {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.cs-section {
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 2.5rem;
}

.cs-section:last-child {
  border-bottom: none;
}

.cs-section-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.cs-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  white-space: pre-line;
}

.cs-bullets {
  list-style-type: none;
  margin-top: 1rem;
}

.cs-bullets li {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  position: relative;
  padding-left: 1.5rem;
}

.cs-bullets li::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: var(--brand-primary);
  font-weight: bold;
}

/* Lightbox Modal */
.lightbox-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-img {
  max-width: 90%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #FFF;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}

/* ═════════════════════════════════════════════════════════════
   CERTIFICATIONS & EDUCATION SECTION (REDESIGNED V3 INSPIRATION)
   ═════════════════════════════════════════════════════════════ */
.certifications-section {
  padding: 95px 0;
  background-color: var(--surface-white);
}

.title-with-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
}

.header-pill-badge {
  background-color: var(--brand-secondary);
  color: #FFFFFF;
  padding: 0.12em 0.65em;
  border-radius: var(--radius-full);
  font-size: 0.88em;
  box-shadow: 0 4px 14px rgba(14, 165, 164, 0.35);
}

.credentials-layout-v3 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
  margin-top: 1rem;
}

.col-subheading {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--brand-secondary);
  margin-bottom: 1.8rem;
  letter-spacing: -0.01em;
}

/* Formal Education Cards (Left Column) */
.edu-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.formal-edu-card {
  background-color: var(--surface-white);
  padding: 2rem 2.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: var(--transition-fast);
}

.formal-edu-card:hover {
  border-color: var(--brand-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.edu-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.edu-institution-link {
  font-size: 1rem;
  font-weight: 700;
  color: var(--brand-secondary);
  margin-bottom: 0.5rem;
}

.edu-meta-line {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.edu-desc-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Certifications Bar Cards (Right Column) */
.cert-bars-stack {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.cert-bar-card {
  background-color: #F8FAFC;
  padding: 1.25rem 1.6rem;
  border-radius: var(--radius-sm);
  border-left: 5px solid var(--brand-secondary);
  border-top: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: var(--transition-fast);
}

.cert-bar-card:hover {
  background-color: #EEF2FF;
  border-left-color: var(--brand-primary);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.cert-bar-title {
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cert-issuer-badge {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background-color: var(--surface-white);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  white-space: nowrap;
  box-shadow: 0 2px 4px rgba(0,0,0,0.03);
}

.cert-issuer-badge.status-in-progress {
  background-color: rgba(245, 185, 66, 0.18);
  color: #B45309;
  border-color: rgba(245, 185, 66, 0.4);
}

/* ═════════════════════════════════════════════════════════════
   CONTACT & REDESIGNED FOOTER
   ═════════════════════════════════════════════════════════════ */
.contact-section {
  padding: 100px 0 40px 0;
  background: linear-gradient(135deg, #0B1220 0%, #0F172A 100%);
  color: var(--surface-white);
}

.cta-box {
  background: linear-gradient(135deg, var(--brand-primary) 0%, #3730A3 100%);
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
  margin-bottom: 4.5rem;
}

.cta-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--surface-white);
  margin-bottom: 1rem;
}

.cta-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto 2rem auto;
}

.cta-contact-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

/* Footer 4-Column Grid */
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr 1.1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 3.5rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--surface-white);
  margin-bottom: 0.3rem;
}

.footer-tagline {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--brand-accent);
  margin-bottom: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-bio-short {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--surface-white);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Scroll Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: all 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Reduced Motion Compliance */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .pulse-dot::after {
    animation: none;
  }
  .hero-float-card:hover {
    transform: none;
  }
}

/* Responsive Media Queries */
@media (max-width: 1180px) {
  .nav-links {
    gap: 0.75rem;
  }
  .nav-link {
    font-size: 0.75rem;
  }
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-headline {
    font-size: 3rem;
  }

  .hero-float-1 { top: 0px; left: -10px; }
  .hero-float-2 { top: 0px; right: -10px; }
  .hero-float-3 { display: none; }
  .hero-float-4 { bottom: -10px; left: -10px; }
  .hero-float-5 { bottom: -10px; right: -10px; }

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

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

  .workflows-dual-grid, .methodology-dual-grid, .credentials-layout-v3 {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .hero-headline {
    font-size: 2.4rem;
  }

  .section-title {
    font-size: 2.1rem;
  }

  .hero-float-card {
    position: static;
    margin: 0.5rem auto;
    max-width: 100%;
  }

  .hero-float-cards-container {
    position: static;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1.5rem;
  }

  .hero-visual {
    min-height: auto;
    flex-direction: column;
  }

  .hero-achievements-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    padding: 1.5rem;
  }

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

  .cs-title {
    font-size: 1.8rem;
  }

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

/* ==================================================
   PROJECT DETAIL PAGE ACTION BAR & CODE EDITOR STYLES
   ================================================== */
.cs-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.cs-links-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.cs-action-link {
  font-size: 0.85rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 700;
}

.code-editor-box {
  background-color: #0B1220;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.code-editor-header {
  background-color: #131E32;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-editor-dots {
  display: flex;
  gap: 6px;
}

.code-dot-red { width: 12px; height: 12px; border-radius: 50%; background-color: #EF4444; }
.code-dot-yellow { width: 12px; height: 12px; border-radius: 50%; background-color: #F59E0B; }
.code-dot-green { width: 12px; height: 12px; border-radius: 50%; background-color: #10B981; }

.code-editor-title {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  color: #94A3B8;
  letter-spacing: 0.05em;
}

.code-copy-btn {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--brand-secondary);
  background: rgba(14, 165, 164, 0.15);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(14, 165, 164, 0.3);
  cursor: pointer;
  transition: var(--transition-fast);
}

.code-copy-btn:hover {
  background: var(--brand-secondary);
  color: #0F172A;
}

.code-editor-body {
  padding: 1.25rem 1.5rem;
  max-height: 450px;
  overflow-y: auto;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.88rem;
  line-height: 1.6;
  color: #E2E8F0;
  white-space: pre;
  margin: 0;
}

.cs-bullet-item {
  margin-bottom: 0.5rem;
  list-style-type: disc;
  margin-left: 1.5rem;
  color: var(--text-secondary);
}

.cs-paragraph {
  margin-bottom: 0.75rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ──────────────────────────────────────────────
   SQL FILE VIEWER — SIDEBAR NAV + CODE PANELS
   ────────────────────────────────────────────── */

.sql-files-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--bg-navy-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
}

.sql-file-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sql-file-tab:hover {
  color: var(--brand-primary);
  border-color: var(--brand-primary);
  background: rgba(79, 70, 229, 0.08);
}

.sql-file-tab.active {
  color: #FFFFFF;
  background: var(--brand-primary);
  border-color: var(--brand-primary);
}

.sql-file-tab svg {
  flex-shrink: 0;
}

.sql-files-viewer {
  position: relative;
}

.sql-file-panel {
  display: none;
}

.sql-file-panel.active {
  display: block;
}

/* ──────────────────────────────────────────────
   FILTER BAR — HORIZONTAL SCROLL FOR 15+ TABS
   ────────────────────────────────────────────── */

#filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
  #filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  
  .filter-tab {
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .sql-files-nav {
    max-height: 200px;
    overflow-y: auto;
  }
}

/* ──────────────────────────────────────────────
   FULLWIDTH HERO ACHIEVEMENTS BANNER (5 METRICS)
   ────────────────────────────────────────────── */

.hero-achievements-fullwidth {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  margin-top: 4rem;
  background-color: var(--bg-navy-card);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  padding: 2.2rem 0;
}

.hero-achievements-bar {
  margin-top: 0;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}

@media (max-width: 1024px) {
  .hero-achievements-bar {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  .hero-achievements-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
  }
}

/* ──────────────────────────────────────────────
   UNIFIED UNIVERSAL TECHNICAL LIFECYCLE & METHODOLOGY
   ────────────────────────────────────────────── */

.universal-workflow-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

@media (max-width: 900px) {
  .universal-workflow-grid {
    grid-template-columns: 1fr;
  }
}

.universal-step-card {
  background: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.universal-step-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-primary);
  box-shadow: 0 12px 35px rgba(79, 70, 229, 0.12);
}

.universal-step-card.highlight-step {
  border-left: 5px solid var(--brand-accent);
  background: linear-gradient(135deg, #FFFFFF 0%, #FEFCE8 100%);
}

.universal-step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1rem;
}

.universal-step-num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 900;
  background: var(--brand-primary);
  color: #FFFFFF;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.universal-step-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.25;
}

.universal-step-body {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.universal-sub-track {
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  background: var(--surface-light);
  border-left: 3px solid var(--brand-primary);
}

.universal-sub-track.platform-sub {
  border-left-color: var(--brand-secondary);
}

.sub-track-badge {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-primary);
  display: block;
  margin-bottom: 0.25rem;
}

.platform-sub .sub-track-badge {
  color: var(--brand-secondary);
}

.universal-sub-track p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* ──────────────────────────────────────────────
   ANIMATED QUICK ACTIONS BOX (CASE STUDY VIEW)
   ────────────────────────────────────────────── */

.cs-quick-actions-bar {
  margin: 2.5rem 0 3.5rem 0;
}

.cs-action-box-card {
  background: linear-gradient(135deg, rgba(19, 30, 50, 0.96) 0%, rgba(30, 27, 75, 0.96) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-left: 5px solid var(--brand-accent);
  border-radius: var(--radius-md);
  padding: 1.8rem 2.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
  transition: all 0.3s ease;
}

.cs-action-box-card:hover {
  border-color: rgba(245, 185, 66, 0.5);
  box-shadow: 0 18px 45px rgba(79, 70, 229, 0.3);
  transform: translateY(-2px);
}

.cs-action-box-badge {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--brand-accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.3rem;
}

.cs-action-box-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--surface-white);
  margin: 0;
}

.cs-action-box-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.cs-box-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all 0.25s ease;
  text-decoration: none;
  cursor: pointer;
}

.cs-btn-github {
  background: var(--brand-primary);
  color: #FFFFFF !important;
  border: 1px solid var(--brand-primary);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.cs-btn-github:hover {
  background: #4338CA;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(79, 70, 229, 0.6);
  color: #FFFFFF !important;
}

.cs-btn-casestudy {
  background: var(--brand-accent);
  color: #0F172A !important;
  border: 1px solid var(--brand-accent);
  box-shadow: 0 4px 14px rgba(245, 185, 66, 0.3);
}

.cs-btn-casestudy:hover {
  background: var(--brand-accent-hover);
  transform: translateY(-2px);
  color: #0F172A !important;
}

.cs-btn-code {
  background: rgba(255, 255, 255, 0.08);
  color: var(--surface-white) !important;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.cs-btn-code:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: var(--surface-white);
  color: var(--surface-white) !important;
}

@media (max-width: 768px) {
  .cs-action-box-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
  }
  .cs-action-box-buttons {
    width: 100%;
    flex-direction: column;
  }
  .cs-box-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ──────────────────────────────────────────────
   EDGE-TO-EDGE FULL-WIDTH FOOTER (CASE STUDY OVERLAY)
   ────────────────────────────────────────────── */

.cs-footer {
  margin-top: 5rem !important;
  margin-left: calc(50% - 50vw) !important;
  margin-right: calc(50% - 50vw) !important;
  width: 100vw !important;
  border-radius: 0 !important;
  position: relative !important;
  left: 50% !important;
  right: 50% !important;
  margin-left: -50vw !important;
  margin-right: -50vw !important;
  padding: 4rem 0 2.5rem 0 !important;
  background: linear-gradient(135deg, #0B1220 0%, #0F172A 100%) !important;
  border-top: 1px solid var(--border-dark) !important;
}

/* ──────────────────────────────────────────────
   SIDE-BY-SIDE DUAL WORKFLOWS & METHODOLOGY TRACKS (EQUAL HEIGHT ALIGNMENT)
   ────────────────────────────────────────────── */

.workflows-dual-grid,
.methodology-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: stretch;
}

@media (max-width: 900px) {
  .workflows-dual-grid,
  .methodology-dual-grid {
    grid-template-columns: 1fr;
  }
}

.workflow-column,
.methodology-column {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.workflow-col-header,
.methodology-col-header {
  margin-bottom: 1.5rem;
}

.workflow-col-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--brand-accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.workflow-col-title,
.methodology-col-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.25;
}

.methodology-track-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.analytics-tag {
  background: rgba(79, 70, 229, 0.12);
  color: var(--brand-primary);
}

.platform-tag {
  background: rgba(14, 165, 164, 0.15);
  color: var(--brand-secondary);
}

.workflow-steps-vertical,
.methodology-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex-grow: 1;
}

.workflow-step-card,
.process-card {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  padding: 1.4rem 1.6rem;
  background: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.03);
  transition: all 0.25s ease;
  min-height: 96px;
  box-sizing: border-box;
}

.workflow-step-card:hover,
.process-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-primary);
  box-shadow: 0 10px 25px rgba(79, 70, 229, 0.1);
}

.workflow-step-card.highlight-step {
  border-left: 4px solid var(--brand-accent);
  background: linear-gradient(135deg, #FFFFFF 0%, #FEFCE8 100%);
}

.workflow-step-num,
.process-icon-wrapper {
  width: 38px;
  height: 38px;
  min-width: 38px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 900;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
}

.process-icon-wrapper.platform-icon {
  background: var(--brand-secondary);
  box-shadow: 0 4px 10px rgba(14, 165, 164, 0.3);
}

.workflow-step-title,
.process-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
  line-height: 1.3;
}

.workflow-step-desc,
.process-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}