/* ==========================================================================
   DHARSHAN G - PORTFOLIO DESIGN SYSTEM & STYLESHEET
   Aesthetics: Sleek Cyber-Slate Dark Mode, Neon Glow Accents & Glassmorphism
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. COLOR TOKENS & CSS VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette */
  --bg-primary: #090D16;
  --bg-secondary: #0F172A;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(56, 189, 248, 0.4);
  
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  /* Gradients */
  --grad-cyan: linear-gradient(135deg, #38BDF8 0%, #3B82F6 100%);
  --grad-purple: linear-gradient(135deg, #A855F7 0%, #EC4899 100%);
  --grad-emerald: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --grad-amber: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  --grad-text: linear-gradient(135deg, #38BDF8 0%, #818CF8 50%, #C084FC 100%);
  
  /* Shadows & Glows */
  --glow-cyan: 0 0 25px rgba(56, 189, 248, 0.25);
  --glow-purple: 0 0 25px rgba(168, 85, 247, 0.25);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5);

  /* Fonts */
  --font-display: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-code: 'JetBrains Mono', monospace;

  /* Layout */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. GLOBAL RESETS & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

/* Dynamic Background Mesh Effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 15% 15%, rgba(56, 189, 248, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(168, 85, 247, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

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

button, input, textarea {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}

ul {
  list-style: none;
}

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

/* Utility Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: #38BDF8;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Glassmorphism Card Base */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   3. NAVIGATION BAR
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 0.8rem 0;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}

.nav-logo span {
  color: #38BDF8;
}

.nav-logo-badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--grad-cyan);
  color: #090D16;
  font-weight: 700;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--grad-cyan);
  transition: var(--transition);
  border-radius: 2px;
}

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

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

.nav-cta {
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  background: var(--grad-cyan);
  color: #090D16;
  font-weight: 700;
  font-size: 0.9rem;
  transition: var(--transition);
  box-shadow: var(--glow-cyan);
}

.nav-cta:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.4);
}

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   4. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  padding-top: 9rem;
  padding-bottom: 4rem;
  display: flex;
  align-items: center;
  position: relative;
}

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

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #10B981;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 10px #10B981;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-full);
  background: var(--grad-cyan);
  color: #090D16;
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
  box-shadow: var(--glow-cyan);
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 35px rgba(56, 189, 248, 0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Quick Resume Key Specs Badge Grid */
.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.highlight-item h4 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

/* Hero Avatar Showcase */
.hero-avatar-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.avatar-backdrop {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  background: var(--grad-purple);
  opacity: 0.3;
  filter: blur(40px);
  animation: morph-glow 8s ease-in-out infinite alternate;
}

@keyframes morph-glow {
  0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
  100% { border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%; }
}

.avatar-card {
  position: relative;
  width: 300px;
  height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(56, 189, 248, 0.3);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), var(--glow-cyan);
  background: var(--bg-secondary);
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: var(--transition);
}

.avatar-card:hover .avatar-img {
  transform: scale(1.05);
}

.avatar-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-md);
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--grad-cyan);
  color: #090D16;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.badge-info h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.badge-info p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   5. EXECUTIVE SUMMARY / ABOUT SECTION
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-card {
  padding: 2.5rem;
  position: relative;
}

.about-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.focus-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.focus-pill {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.focus-pill i {
  color: #38BDF8;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-box {
  padding: 1.75rem;
  text-align: center;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.stat-box:hover {
  border-color: rgba(56, 189, 248, 0.3);
  box-shadow: var(--glow-cyan);
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  color: #38BDF8;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   6. SKILLS & EXPERTISE SECTION
   -------------------------------------------------------------------------- */
.skills-filter {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: rgba(56, 189, 248, 0.4);
  color: #38BDF8;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--grad-cyan);
  opacity: 0;
  transition: var(--transition);
}

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

.skill-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.skill-icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.1);
  color: #38BDF8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.skill-level-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(168, 85, 247, 0.15);
  color: #C084FC;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.skill-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.skill-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.progress-bar-bg {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--grad-cyan);
  transition: width 1s ease-in-out;
}

/* --------------------------------------------------------------------------
   7. FEATURED PROJECT SECTION (MensHub.64)
   -------------------------------------------------------------------------- */
.project-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 3rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.7) 100%);
  border: 1px solid rgba(56, 189, 248, 0.2);
  box-shadow: var(--shadow-card), var(--glow-cyan);
  position: relative;
  overflow: hidden;
}

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--grad-purple);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.project-title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.project-tagline {
  font-size: 1.1rem;
  color: #38BDF8;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.project-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-bottom: 2rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.925rem;
  color: var(--text-primary);
}

.feature-item i {
  color: #10B981;
}

.tech-stack-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.tech-pill {
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-code);
  font-size: 0.825rem;
  color: #818CF8;
}

.project-preview-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-primary);
  aspect-ratio: 16 / 10;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.mockup-header {
  height: 34px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

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

.mockup-dot.red { background: #EF4444; }
.mockup-dot.yellow { background: #F59E0B; }
.mockup-dot.green { background: #10B981; }

.mockup-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: calc(100% - 34px);
  text-align: center;
  background: radial-gradient(circle at center, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
}

.mockup-body i {
  font-size: 4rem;
  color: #38BDF8;
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   8. AI PROMPT ENGINEERING PLAYGROUND (INTERACTIVE DEMO WIDGET)
   -------------------------------------------------------------------------- */
.prompt-playground {
  padding: 3rem;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid rgba(168, 85, 247, 0.3);
  box-shadow: var(--shadow-card), var(--glow-purple);
}

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

.prompt-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.box-title {
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.prompt-textarea {
  width: 100%;
  min-height: 140px;
  color: var(--text-primary);
  font-family: var(--font-code);
  font-size: 0.9rem;
  line-height: 1.6;
  resize: none;
}

.prompt-presets {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.preset-chip {
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.775rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.preset-chip:hover {
  background: rgba(168, 85, 247, 0.2);
  color: #C084FC;
}

.output-display {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  font-family: var(--font-code);
  font-size: 0.875rem;
  color: #38BDF8;
  line-height: 1.6;
  min-height: 220px;
  white-space: pre-wrap;
  position: relative;
}

.typing-cursor::after {
  content: '▋';
  animation: blink 1s infinite;
  color: #C084FC;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* --------------------------------------------------------------------------
   9. EDUCATION & QUALIFICATIONS
   -------------------------------------------------------------------------- */
.education-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: 2rem;
}

.education-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: var(--grad-cyan);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-dot {
  position: absolute;
  left: -2.4rem;
  top: 0.5rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #38BDF8;
  box-shadow: 0 0 15px #38BDF8;
}

.timeline-card {
  padding: 2rem;
}

.degree-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.institution-name {
  font-size: 1.1rem;
  color: #38BDF8;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* --------------------------------------------------------------------------
   10. CONTACT SECTION & FOOTER
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-card {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.contact-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.1);
  color: #38BDF8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-detail h5 {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.contact-detail p {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.copy-btn {
  margin-left: auto;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.copy-btn:hover {
  background: rgba(56, 189, 248, 0.2);
  color: #38BDF8;
}

/* Contact Form */
.contact-form-card {
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-md);
  background: rgba(9, 13, 22, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: #38BDF8;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.25);
}

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

.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-subtle);
  background: #060911;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.back-to-top {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.back-to-top:hover {
  background: var(--grad-cyan);
  color: #090D16;
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   11. MODAL COMPONENT (FOR PROJECT CASE STUDY)
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(16px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  width: 100%;
  max-width: 750px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2.5rem;
  position: relative;
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   12. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-highlights {
    justify-content: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .project-featured {
    grid-template-columns: 1fr;
  }
  
  .playground-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    transition: var(--transition);
    border-left: 1px solid var(--border-subtle);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .hero-highlights {
    grid-template-columns: 1fr;
  }
  
  .project-features-list {
    grid-template-columns: 1fr;
  }
}