/* ==========================================================================
   BAVISNA RAJKUMAR - PORTFOLIO DESIGN SYSTEM
   Modern, High-Converting, Recruiter-Focused Design System
   ========================================================================== */

/* --- CSS Variables & Themes --- */
:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --bg-glass-strong: rgba(15, 23, 42, 0.85);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);
  --border-color-hover: rgba(99, 102, 241, 0.5);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #818cf8;

  /* Accent Gradients */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --secondary: #06b6d4;
  --accent: #ec4899;
  --success: #10b981;
  --warning: #f59e0b;
  
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #06b6d4 100%);
  --gradient-text: linear-gradient(135deg, #ffffff 20%, #a5b4fc 60%, #38bdf8 100%);
  --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Layout & Spacing */
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.25);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.75);
  --bg-glass-strong: rgba(255, 255, 255, 0.95);
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-glow: rgba(99, 102, 241, 0.25);
  --border-color-hover: rgba(99, 102, 241, 0.4);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-accent: #4f46e5;

  --gradient-text: linear-gradient(135deg, #0f172a 20%, #4338ca 70%, #0284c7 100%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(241, 245, 249, 0.6) 100%);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.15);
}

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

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

[data-theme="light"] {
  color-scheme: light;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.4s ease, color 0.4s ease;
  min-height: 100vh;
}

/* Background Ambient Mesh */
.ambient-glow-1,
.ambient-glow-2,
.ambient-glow-3 {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.25;
  transition: opacity 0.5s ease;
}

.ambient-glow-1 {
  width: 500px;
  height: 500px;
  background: #6366f1;
  top: -150px;
  left: -100px;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.ambient-glow-2 {
  width: 600px;
  height: 600px;
  background: #a855f7;
  top: 40%;
  right: -200px;
  animation: floatOrb 22s ease-in-out infinite alternate-reverse;
}

.ambient-glow-3 {
  width: 450px;
  height: 450px;
  background: #06b6d4;
  bottom: 0;
  left: 20%;
  animation: floatOrb 15s ease-in-out infinite alternate;
}

@keyframes floatOrb {
  0% { transform: translateY(0) scale(1); }
  50% { transform: translateY(40px) scale(1.08); }
  100% { transform: translateY(-30px) scale(0.95); }
}

/* Grid overlay */
.bg-grid-pattern {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* --- Navigation Bar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1rem 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: var(--bg-glass-strong);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
  box-shadow: var(--shadow-md);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.brand-avatar-mini {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.brand-logo-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.75rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 0.25rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  border-radius: var(--radius-full);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
  transform: rotate(15deg);
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff !important;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

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

.btn-outline:hover {
  border-color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.9rem 1.8rem;
  font-size: 1.05rem;
}

/* --- Badges & Chips --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.badge-status {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  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 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.badge-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.badge-gradient {
  background: var(--gradient-glow);
  border: 1px solid var(--border-glow);
  color: var(--text-accent);
}

/* --- Section Typography & Headers --- */
section {
  padding: 6rem 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-title span.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* --- Hero Section --- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-status-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-title .name-highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-typewriter {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.2rem;
}

.typed-text {
  color: var(--text-accent);
  border-right: 2px solid var(--primary);
  white-space: nowrap;
  animation: blinkCursor 0.8s step-end infinite;
}

@keyframes blinkCursor {
  0%, 100% { border-color: transparent; }
  50% { border-color: var(--primary); }
}

.hero-bio {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.hero-quick-meta {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
  margin-top: 0.5rem;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.meta-item svg {
  color: var(--primary);
}

/* Hero Visual & Profile Avatar */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.avatar-wrapper {
  position: relative;
  width: 320px;
  height: 320px;
}

.avatar-glow-ring {
  position: absolute;
  inset: -12px;
  border-radius: 36px;
  background: var(--gradient-primary);
  opacity: 0.7;
  filter: blur(20px);
  animation: rotateGlow 10s linear infinite;
}

@keyframes rotateGlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.avatar-container {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 30px;
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
  background: var(--bg-secondary);
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

/* Floating Badges on Hero */
.floating-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  z-index: 2;
  transition: transform 0.3s ease;
}

.floating-badge:hover {
  transform: translateY(-4px) scale(1.03);
}

.floating-badge.badge-1 {
  top: -15px;
  right: -25px;
  animation: floatBadge 6s ease-in-out infinite;
}

.floating-badge.badge-2 {
  bottom: 25px;
  left: -35px;
  animation: floatBadge 7s ease-in-out infinite 1s;
}

.floating-badge.badge-3 {
  bottom: -20px;
  right: 10px;
  animation: floatBadge 6.5s ease-in-out infinite 2s;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.badge-icon-box {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: #fff;
}

.badge-text-group {
  display: flex;
  flex-direction: column;
}

.badge-title {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
}

.badge-value {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-primary);
}

/* --- Recruiter Quick Stats Strip --- */
.stats-strip-section {
  padding: 2rem 0;
  margin-top: -2rem;
  position: relative;
  z-index: 2;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 1.2rem;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-glow);
}

.stat-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--gradient-glow);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 0.2rem;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.about-title-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.about-title-box h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.about-text {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.highlight-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.highlight-row svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.highlight-text strong {
  color: var(--text-primary);
}

.highlight-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Soft Skills & Languages Cards */
.skills-soft-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.chips-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.skill-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.skill-chip:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

.skill-chip svg {
  color: var(--primary);
}

.language-pills-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.language-card {
  padding: 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-flag {
  font-size: 1.75rem;
}

.lang-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

/* --- Technical Skills Section --- */
.skills-filter-nav {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.skills-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.skill-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.skill-category-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-glow);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.skill-category-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-glow);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.skill-category-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
}

.skill-items-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.skill-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 600;
}

.skill-tag-pill {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  color: var(--text-accent);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.skill-bar-bg {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0%;
}

/* --- Featured Projects Section --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.25rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.project-image-box {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: #0f172a;
}

.project-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-thumbnail {
  transform: scale(1.06);
}

.project-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(11, 15, 25, 0.95) 100%);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}

.project-featured-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-glow);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-accent);
}

.project-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.project-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-features-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.project-features-list li svg {
  color: var(--success);
  flex-shrink: 0;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  margin-top: auto;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-accent);
}

.project-actions {
  display: flex;
  gap: 0.85rem;
}

/* --- Achievements & Problem Solving Section --- */
.achievements-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
}

.leetcode-banner-card {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.06) 0%, rgba(99, 102, 241, 0.1) 100%), var(--bg-card);
  border: 1px solid rgba(234, 179, 8, 0.25);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.leetcode-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.leetcode-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.leetcode-logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #ffa116;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.3rem;
}

.leetcode-brand-text h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
}

.leetcode-brand-text p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.solved-milestone-box {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.big-counter-number {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #ffa116 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.milestone-details h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.milestone-details p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.leetcode-breakdown-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.lc-tier-card {
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  text-align: center;
}

.lc-tier-card.easy { border-color: rgba(16, 185, 129, 0.4); }
.lc-tier-card.medium { border-color: rgba(245, 158, 11, 0.4); }
.lc-tier-card.hard { border-color: rgba(239, 68, 68, 0.4); }

.lc-tier-card span {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.lc-tier-card.easy span { color: #10b981; }
.lc-tier-card.medium span { color: #f59e0b; }
.lc-tier-card.hard span { color: #ef4444; }

.lc-tier-card strong {
  font-size: 1.15rem;
  color: var(--text-primary);
}

/* Other Achievements & Certifications Stack */
.achievements-list-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.achievement-card-mini {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  gap: 1.2rem;
  transition: var(--transition);
}

.achievement-card-mini:hover {
  transform: translateX(6px);
  border-color: var(--border-color-hover);
}

.achievement-mini-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient-glow);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.achievement-mini-content h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.achievement-mini-content p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
}

.achievement-badge-tag {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  font-weight: 600;
}

/* --- Education Timeline Section --- */
.timeline-wrapper {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline-line {
  position: absolute;
  top: 15px;
  bottom: 15px;
  left: 7px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
}

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

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 12px var(--primary);
  z-index: 2;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
}

.timeline-card:hover {
  transform: translateX(6px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-md);
}

.timeline-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.degree-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-accent);
}

.timeline-institution {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.timeline-score-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--gradient-glow);
  border: 1px solid var(--border-glow);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.score-highlight {
  color: #38bdf8;
  font-weight: 800;
}

/* --- Contact & Recruiter Connect Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

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

.contact-pill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  text-decoration: none;
}

.contact-pill-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.pill-left {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.pill-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient-glow);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.pill-content h4 {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
}

.pill-content p {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.copy-pill-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.copy-pill-btn:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.05);
}

/* Contact Form */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

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

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

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  background: var(--bg-secondary);
  position: relative;
  z-index: 1;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

/* --- Modals & Overlays --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1.5rem;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 850px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95) translateY(10px);
  transition: transform 0.3s ease;
  position: relative;
}

.modal-backdrop.open .modal-container {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  z-index: 2;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.modal-body {
  padding: 2rem;
}

/* Resume PDF Viewer Frame in Modal */
.resume-embed-container {
  width: 100%;
  height: 600px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: #fff;
}

.resume-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Share Modal QR & Link Box */
.share-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.qr-canvas-box {
  padding: 1rem;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: inline-flex;
}

.share-link-input-group {
  display: flex;
  width: 100%;
  gap: 0.5rem;
}

.share-link-input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-glass-strong);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glow);
  color: var(--text-primary);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  animation: slideInToast 0.3s ease forwards;
  pointer-events: auto;
}

@keyframes slideInToast {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-content {
    align-items: center;
  }
  .hero-status-wrapper {
    justify-content: center;
  }
  .hero-typewriter {
    justify-content: center;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-quick-meta {
    justify-content: center;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .skills-matrix-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .achievements-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-glass-strong);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
  }
  .nav-links.open {
    transform: translateY(0);
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-title {
    font-size: 2.4rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .floating-badge.badge-1 {
    right: 0;
  }
  .floating-badge.badge-2 {
    left: 0;
  }
}