/* ==========================================================================
   KULDEEP SINGH - BRAND DESIGN SYSTEM & CORE STYLESHEET
   High-performance, bespoke CSS architecture (Zero bulky framework bloat)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Syne:wght@600;700;800&display=swap');

:root {
  /* Core Colors */
  --bg-darkest: #07090e;
  --bg-darker: #0c101a;
  --bg-card: rgba(16, 23, 38, 0.7);
  --bg-card-hover: rgba(23, 33, 54, 0.85);
  --bg-glass: rgba(14, 20, 33, 0.65);
  --bg-glass-elevated: rgba(20, 29, 48, 0.75);

  /* Accents & Brand */
  --accent-cyan: #00f0ff;
  --accent-cyan-dim: rgba(0, 240, 255, 0.15);
  --accent-cyan-glow: rgba(0, 240, 255, 0.35);
  --accent-blue: #3b82f6;
  --accent-blue-dim: rgba(59, 130, 246, 0.15);
  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  /* Text & Borders */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 240, 255, 0.3);
  --border-glass: rgba(255, 255, 255, 0.12);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Radii & Shadows */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px -10px rgba(0, 240, 255, 0.2);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --trans-fast: 0.2s ease;
  --trans-smooth: 0.35s var(--ease-spring);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-darkest);
  color: var(--text-main);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Ambient Background Light Orbs */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb-1 {
  position: absolute;
  top: -10%;
  left: -5%;
  width: 55vw;
  height: 55vw;
  max-width: 700px;
  max-height: 700px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, rgba(59, 130, 246, 0.03) 45%, transparent 70%);
  filter: blur(60px);
  border-radius: 50%;
}

.glow-orb-2 {
  position: absolute;
  top: 40%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  max-width: 650px;
  max-height: 650px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.07) 0%, rgba(0, 240, 255, 0.02) 50%, transparent 70%);
  filter: blur(70px);
  border-radius: 50%;
}

.glow-orb-3 {
  position: absolute;
  bottom: 5%;
  left: 20%;
  width: 45vw;
  height: 45vw;
  max-width: 600px;
  max-height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
  filter: blur(80px);
  border-radius: 50%;
}

/* Grid & Layout Containers */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.container-narrow {
  max-width: 980px;
}

section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  section {
    padding: 70px 0;
  }
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
}

h3 {
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--text-muted);
}

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

ul {
  list-style: none;
}

/* Glassmorphic Components */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: transform var(--trans-smooth), border-color var(--trans-smooth), box-shadow var(--trans-smooth);
}

.glass-card:hover {
  border-color: var(--border-glass);
  box-shadow: var(--shadow-card);
}

/* Badges & Pills */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: #34d399;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-ring 2s infinite ease-out;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

.tech-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
  border: 1px solid rgba(0, 240, 255, 0.2);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.section-tag::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 2px;
  background: var(--accent-cyan);
}

.section-header {
  margin-bottom: 56px;
}

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

.section-header p.subhead {
  font-size: 1.125rem;
  max-width: 680px;
  margin: 12px auto 0;
  color: var(--text-muted);
}

/* Gradient Text */
.text-gradient {
  background: linear-gradient(135deg, #ffffff 20%, var(--accent-cyan) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Custom Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #00f0ff 0%, #0099ff 100%);
  color: #050b14;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 240, 255, 0.3);
  transition: all var(--trans-smooth);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.45);
  color: #02070f;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: all var(--trans-smooth);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  color: #fff;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color var(--trans-smooth), border-color var(--trans-smooth), backdrop-filter var(--trans-smooth);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: #fff;
  text-decoration: none;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.2));
  transition: transform var(--trans-smooth), filter var(--trans-smooth);
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.06);
  filter: drop-shadow(0 0 18px rgba(0, 240, 255, 0.45));
}

.brand-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(59, 130, 246, 0.2));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
  transition: color var(--trans-fast);
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.social-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: all var(--trans-fast);
}

.social-icon-link:hover {
  color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: 150px;
  padding-bottom: 90px;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-pretitle {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-title {
  letter-spacing: -0.03em;
}

.hero-title .highlight {
  position: relative;
  display: inline-block;
  background: linear-gradient(135deg, #00f0ff 10%, #60a5fa 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: #cbd5e1;
  line-height: 1.7;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

.hero-stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.stat-number .stat-accent {
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-subtle);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero Visual / Interactive Console Card */
.hero-visual {
  position: relative;
}

.terminal-card {
  background: #090e1a;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), var(--shadow-glow);
  position: relative;
}

.terminal-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-emerald));
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(15, 23, 42, 0.7);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-subtle);
}

.terminal-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
}

.code-line {
  display: block;
  margin-bottom: 8px;
}

.code-keyword { color: #f43f5e; }
.code-entity { color: #00f0ff; }
.code-string { color: #34d399; }
.code-comment { color: #64748b; font-style: italic; }
.code-number { color: #fbbf24; }
.code-prop { color: #93c5fd; }

.profile-chip {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  margin-top: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.profile-chip img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-cyan);
}

.chip-info h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.chip-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   ABOUT / PHILOSOPHY SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: center;
}

.about-visual-wrap {
  position: relative;
}

.about-portrait-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  background: var(--bg-card);
}

.about-portrait-card img {
  width: 100%;
  height: auto;
  display: block;
  filter: brightness(0.95) contrast(1.05);
}

.about-badge-float {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(8, 12, 20, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-accent);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-badge-float i {
  font-size: 1.6rem;
  color: var(--accent-cyan);
}

.about-content h2 {
  margin-bottom: 20px;
}

.about-lead {
  font-size: 1.15rem;
  color: #e2e8f0;
  margin-bottom: 18px;
  line-height: 1.7;
}

.about-p {
  margin-bottom: 18px;
  font-size: 1rem;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin: 30px 0;
}

.philosophy-card {
  padding: 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.philosophy-card i {
  font-size: 1.4rem;
  color: var(--accent-cyan);
  margin-bottom: 8px;
  display: inline-block;
}

.philosophy-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.philosophy-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   TECHNICAL SKILLS MATRIX
   ========================================================================== */
.skills-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 44px;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--trans-fast);
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.tab-btn.active {
  background: var(--accent-cyan-dim);
  border-color: var(--border-accent);
  color: var(--accent-cyan);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.skill-domain-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  transition: all var(--trans-smooth);
}

.skill-domain-card:hover {
  border-color: var(--border-glass);
  transform: translateY(-4px);
}

.domain-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.domain-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.domain-header h3 {
  font-size: 1.15rem;
}

.skill-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-item-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: #cbd5e1;
  transition: all var(--trans-fast);
}

.skill-item-badge:hover {
  border-color: var(--border-accent);
  color: #fff;
  background: rgba(0, 240, 255, 0.06);
}

.skill-item-badge.core {
  border-color: rgba(0, 240, 255, 0.3);
  color: #e2e8f0;
}

/* ==========================================================================
   SELECTED PROJECTS & CASE STUDIES (PROBLEM - APPROACH - TECH - OUTCOME)
   ========================================================================== */
.projects-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--trans-fast);
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.filter-btn.active {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: #050b14;
}

.projects-masonry {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.project-brand-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--trans-smooth);
  position: relative;
}

.project-brand-card:hover {
  border-color: var(--border-glass);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 240, 255, 0.08);
  transform: translateY(-5px);
}

.project-thumb-container {
  position: relative;
  height: 220px;
  background: #0d1424;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.project-thumb-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-spring);
}

.project-brand-card:hover .project-thumb-container img {
  transform: scale(1.04);
}

.project-overlay-meta {
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
}

.category-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  color: var(--accent-cyan);
}

.client-status-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(16, 185, 129, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.project-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.project-card-title-row h3 {
  font-size: 1.4rem;
  color: #fff;
}

.project-brief {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* Structured Breakdown: Problem, Approach, Outcome */
.structured-breakdown {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.breakdown-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  line-height: 1.5;
}

.breakdown-label {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  min-width: 80px;
  padding-top: 2px;
}

.breakdown-label.problem { color: #fb7185; }
.breakdown-label.approach { color: #60a5fa; }
.breakdown-label.outcome { color: #34d399; }

.breakdown-text {
  color: #cbd5e1;
}

.project-tech-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  margin-bottom: 24px;
}

.project-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.case-study-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-cyan);
  transition: gap var(--trans-fast);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.case-study-link:hover {
  gap: 12px;
  color: #fff;
}

.live-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
}

.live-link-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   EXPERIENCE & MILESTONE TIMELINE
   ========================================================================== */
.experience-timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}

.experience-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 28px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan), rgba(59, 130, 246, 0.2) 80%, transparent 100%);
}

.timeline-card {
  position: relative;
  margin-left: 70px;
  margin-bottom: 40px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: transform var(--trans-smooth), border-color var(--trans-smooth);
}

.timeline-card:hover {
  border-color: var(--border-glass);
  transform: translateX(4px);
}

.timeline-node {
  position: absolute;
  top: 32px;
  left: -54px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-darkest);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 14px var(--accent-cyan-glow);
  z-index: 2;
}

.timeline-date-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.timeline-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.timeline-title-row h3 {
  font-size: 1.25rem;
}

.timeline-company {
  color: #94a3b8;
  font-weight: 500;
  font-size: 0.95rem;
}

.timeline-body p {
  font-size: 0.95rem;
  margin-bottom: 14px;
  color: #cbd5e1;
}

.timeline-achievements {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline-achievements li {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.timeline-achievements li i {
  color: var(--accent-cyan);
  margin-top: 3px;
  flex-shrink: 0;
}

/* ==========================================================================
   TESTIMONIALS & TRUST SIGNALS
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-brand-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--trans-smooth);
}

.testimonial-brand-card:hover {
  border-color: var(--border-glass);
  transform: translateY(-4px);
}

.stars-row {
  color: #fbbf24;
  font-size: 0.95rem;
  margin-bottom: 14px;
  display: flex;
  gap: 3px;
}

.testimonial-quote {
  font-size: 0.95rem;
  color: #cbd5e1;
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.testimonial-client {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.client-avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent-cyan);
}

.client-meta h4 {
  font-size: 0.92rem;
  color: #fff;
  margin-bottom: 2px;
}

.client-meta p {
  font-size: 0.78rem;
  color: var(--text-subtle);
}

/* ==========================================================================
   RESUME / CV HIGHLIGHTS SECTION
   ========================================================================== */
.resume-banner {
  background: linear-gradient(135deg, rgba(16, 23, 38, 0.9) 0%, rgba(12, 16, 26, 0.95) 100%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.resume-banner::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.12), transparent 70%);
  pointer-events: none;
}

.resume-banner-content h2 {
  margin-bottom: 16px;
}

.resume-banner-content p {
  font-size: 1.05rem;
  color: #cbd5e1;
  margin-bottom: 24px;
}

.resume-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.credentials-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.credential-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.credential-item i {
  font-size: 1.4rem;
  color: var(--accent-cyan);
}

.credential-info h4 {
  font-size: 0.95rem;
}

.credential-info p {
  font-size: 0.8rem;
  color: var(--text-subtle);
}

/* ==========================================================================
   CONTACT & ENGAGEMENT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}

.contact-info-card {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-channel-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.channel-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--accent-cyan-dim);
  border: 1px solid rgba(0, 240, 255, 0.2);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.channel-content h4 {
  font-size: 0.9rem;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.channel-content a, .channel-content p {
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
}

.channel-content a:hover {
  color: var(--accent-cyan);
}

.timezone-card {
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.time-display {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

/* Contact Form */
.contact-form-container {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background: rgba(8, 12, 20, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--trans-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
  background: rgba(10, 16, 28, 0.95);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-darkest);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  font-size: 0.88rem;
  color: var(--text-subtle);
}

.footer-links {
  display: flex;
  gap: 24px;
}

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

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

/* ==========================================================================
   CASE STUDY MODAL
   ========================================================================== */
.case-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 8, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.case-modal-backdrop.active {
  display: flex;
  opacity: 1;
}

.case-modal-dialog {
  background: #0d121f;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  max-width: 860px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s var(--ease-spring);
}

.case-modal-backdrop.active .case-modal-dialog {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  font-size: 1.2rem;
  transition: all var(--trans-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: rotate(90deg);
}

.modal-content-area {
  padding: 36px;
}

/* Toast Notification */
.toast-msg {
  position: fixed;
  bottom: 90px;
  right: 28px;
  background: #0f172a;
  border: 1px solid var(--border-accent);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: 3000;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--trans-smooth);
  pointer-events: none;
}

.toast-msg.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   FLOATING CTA BUTTON ("Discuss Your Project")
   ========================================================================== */
.floating-cta {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 1500;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  background: rgba(12, 17, 29, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 240, 255, 0.45);
  border-radius: var(--radius-pill);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.65),
              0 0 25px -3px rgba(0, 240, 255, 0.35);
  transition: transform 0.25s var(--ease-spring),
              box-shadow 0.25s ease,
              border-color 0.25s ease,
              background 0.25s ease;
  will-change: transform, box-shadow;
}

.floating-cta:hover {
  transform: translateY(-3px) scale(1.02);
  background: rgba(16, 24, 42, 0.96);
  border-color: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 16px 36px -4px rgba(0, 0, 0, 0.8),
              0 0 35px 2px rgba(0, 240, 255, 0.55);
}

.floating-cta:active {
  transform: translateY(-1px) scale(0.99);
}

.floating-cta .pulse-dot {
  width: 9px;
  height: 9px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--accent-emerald);
}

.floating-cta .pulse-dot::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  border: 2px solid var(--accent-emerald);
  animation: cta-pulse 2s infinite ease-out;
}

@keyframes cta-pulse {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  100% {
    transform: scale(2.2);
    opacity: 0;
  }
}

.floating-cta i {
  font-size: 1.15rem;
  color: var(--accent-cyan);
  transition: transform 0.25s ease;
}

.floating-cta:hover i {
  transform: translate(2px, -2px);
}

@media (max-width: 640px) {
  .floating-cta {
    bottom: 20px;
    right: 20px;
    padding: 10px 16px;
    font-size: 0.84rem;
    gap: 8px;
  }
  .toast-msg {
    bottom: 80px;
    right: 20px;
  }
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-masonry {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .resume-banner {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-actions .btn-primary {
    display: none;
  }
  .nav-menu {
    position: fixed;
    top: 84px;
    left: 0;
    width: 100%;
    background: rgba(8, 12, 20, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    transform: translateY(-150%);
    transition: transform var(--trans-smooth);
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .mobile-menu-btn {
    display: block;
  }
  .skills-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .form-row-2 {
    grid-template-columns: 1fr;
  }
  .experience-timeline::before {
    left: 14px;
  }
  .timeline-card {
    margin-left: 40px;
  }
  .timeline-node {
    left: -33px;
  }
}