/* ==========================================================================
   MAJID QURASHI — MODERN DEVELOPER PORTFOLIO STYLESHEET
   Design Theme: Dark Glassmorphic, Modern Engineering, Vibrant Accents
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette */
  --bg-main: #08090E;
  --bg-surface: #0E1017;
  --bg-surface-raised: #141724;
  --bg-surface-glass: rgba(18, 22, 36, 0.75);
  --bg-surface-glass-card: rgba(20, 24, 40, 0.65);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.4);
  --border-accent-green: rgba(16, 185, 129, 0.35);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-accent-glow: #38BDF8;

  /* Brand Accents */
  --primary-emerald: #10B981;
  --primary-emerald-hover: #059669;
  --primary-emerald-glow: rgba(16, 185, 129, 0.25);

  --accent-indigo: #6366F1;
  --accent-purple: #8B5CF6;
  --accent-cyan: #06B6D4;
  --accent-amber: #F59E0B;

  --gradient-emerald: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
  --gradient-indigo: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --gradient-card-glow: radial-gradient(circle at top right, rgba(99, 102, 241, 0.12), transparent 70%);
  --gradient-text: linear-gradient(135deg, #FFFFFF 20%, #94A3B8 100%);
  --gradient-heading-vibrant: linear-gradient(135deg, #F8FAFC 0%, #10B981 50%, #38BDF8 100%);

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Spacing & Layout */
  --header-height: 76px;
  --container-max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 40px -8px rgba(0, 0, 0, 0.6);
  --shadow-glow-emerald: 0 0 25px rgba(16, 185, 129, 0.2);
  --shadow-glow-indigo: 0 0 25px rgba(99, 102, 241, 0.2);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-main: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-raised: #F1F5F9;
  --bg-surface-glass: rgba(255, 255, 255, 0.88);
  --bg-surface-glass-card: rgba(255, 255, 255, 0.85);

  --border-subtle: rgba(15, 23, 42, 0.1);
  --border-focus: rgba(99, 102, 241, 0.5);
  --border-accent-green: rgba(16, 185, 129, 0.4);

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-accent-glow: #0284C7;

  --gradient-text: linear-gradient(135deg, #0F172A 20%, #334155 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 40px -8px rgba(0, 0, 0, 0.12);
}

/* --------------------------------------------------------------------------
   2. Reset & Base Setup
   -------------------------------------------------------------------------- */
*, *::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-main);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  animation: orbFloat 20s ease-in-out infinite alternate;
}

.orb-1 {
  top: -10%;
  left: 15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #10B981 0%, rgba(16, 185, 129, 0) 70%);
}

.orb-2 {
  top: 40%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #6366F1 0%, rgba(99, 102, 241, 0) 70%);
  animation-delay: -7s;
}

.orb-3 {
  bottom: 5%;
  left: 5%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #06B6D4 0%, rgba(6, 182, 212, 0) 70%);
  animation-delay: -14s;
}

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

/* Subtle Grid Background Pattern */
.bg-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   3. Typography & Helper Utilities
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.25;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  position: relative;
  z-index: 2;
}

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

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  color: var(--primary-emerald);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.section-tag.tag-indigo {
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.25);
  color: var(--accent-indigo);
}

.section-tag.tag-cyan {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.25);
  color: var(--accent-cyan);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 1rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

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

/* --------------------------------------------------------------------------
   4. Buttons & Interactive Controls
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-emerald);
  color: #041F16;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  background: #34D399;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.45);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-subtle);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn-indigo {
  background: var(--gradient-indigo);
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.btn-indigo:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   5. Header & Floating Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  transition: all var(--transition-normal);
  background: transparent;
}

.header.scrolled {
  background: rgba(8, 9, 14, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-heading);
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.nav-logo:hover {
  transform: translateY(-1px);
}

.nav-logo-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(16, 185, 129, 0.6);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.25);
  transition: all var(--transition-fast);
}

.nav-logo:hover .nav-logo-avatar {
  border-color: var(--primary-emerald);
  transform: scale(1.05);
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.5);
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
}

.nav-logo-accent {
  color: var(--primary-emerald);
  font-weight: 900;
  margin-left: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  background: rgba(20, 24, 40, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.5rem;
  backdrop-filter: blur(12px);
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active-link {
  color: var(--text-primary);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1.15rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
  color: var(--primary-emerald);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.25rem;
}

/* Light Mode Overrides */
[data-theme="light"] .bg-grid-overlay {
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.035) 1px, transparent 1px);
}

[data-theme="light"] .ambient-orb {
  opacity: 0.07;
}

[data-theme="light"] .header.scrolled {
  background: rgba(255, 255, 255, 0.88);
}

[data-theme="light"] .nav-menu {
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .footer {
  background: rgba(241, 245, 249, 0.95);
}

[data-theme="light"] .project-card-footer {
  background: rgba(241, 245, 249, 0.7);
}

[data-theme="light"] .floating-badge {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .hero-avatar-card {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .btn-outline {
  background: rgba(0, 0, 0, 0.03);
  color: var(--text-primary);
  border-color: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .btn-outline:hover {
  background: rgba(0, 0, 0, 0.07);
  border-color: rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .form-input,
[data-theme="light"] .form-textarea {
  background: #FFFFFF;
  border-color: rgba(0, 0, 0, 0.12);
  color: var(--text-primary);
}

[data-theme="light"] .skill-pill,
[data-theme="light"] .tech-tag,
[data-theme="light"] .social-icon-btn,
[data-theme="light"] .filter-btn {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
}

@media (max-width: 768px) {
  [data-theme="light"] .nav-menu {
    background: rgba(255, 255, 255, 0.98);
  }
}

/* --------------------------------------------------------------------------
   6. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 2.5rem);
  padding-bottom: 5rem;
  display: flex;
  align-items: center;
  position: relative;
}

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

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

.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-badge-gfg {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--primary-emerald);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.hero-badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.28);
  color: #A7F3D0;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

[data-theme="light"] .hero-badge-status {
  background: rgba(16, 185, 129, 0.12);
  color: #065F46;
  border-color: rgba(16, 185, 129, 0.35);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 10px #10B981;
  position: relative;
}

.status-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1.5px solid #10B981;
  animation: rippleDot 2s cubic-bezier(0.1, 0.8, 0.3, 1) infinite;
}

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

.hero-title {
  font-size: clamp(2.5rem, 5.2vw, 3.85rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #10B981 0%, #38BDF8 40%, #818CF8 80%, #34D399 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmerGradient 8s ease infinite alternate;
}

@keyframes shimmerGradient {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

.hero-title-sub {
  display: block;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  letter-spacing: -0.015em;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero-description .text-glow {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.25rem;
}

.btn-primary.hero-btn-main {
  position: relative;
  overflow: hidden;
}

.btn-primary.hero-btn-main::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: skewX(-20deg);
  transition: 0.6s ease;
}

.btn-primary.hero-btn-main:hover::after {
  left: 150%;
}

.btn-primary.hero-btn-main i {
  transition: transform var(--transition-fast);
}

.btn-primary.hero-btn-main:hover i {
  transform: translateX(4px);
}

.hero-social-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
}

.social-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
}

.social-icon-btn:hover {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.45);
  color: var(--primary-emerald);
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

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

.hero-avatar-glow {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.3) 0%, rgba(99, 102, 241, 0.18) 50%, transparent 70%);
  filter: blur(40px);
  z-index: 1;
  pointer-events: none;
  animation: pulseGlow 6s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
  0% { transform: scale(0.92); opacity: 0.55; }
  100% { transform: scale(1.08); opacity: 0.9; }
}

.hero-avatar-card {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-lg);
  padding: 10px;
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg), 0 0 35px rgba(16, 185, 129, 0.12);
  max-width: 380px;
  width: 100%;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hero-avatar-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  padding: 1px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.5), rgba(99, 102, 241, 0.3), rgba(6, 182, 212, 0.4), transparent 80%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.avatar-image-container {
  position: relative;
  border-radius: calc(var(--radius-lg) - 6px);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--bg-surface);
}

.avatar-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  image-rendering: -webkit-optimize-contrast;
  transition: transform var(--transition-slow);
}

.hero-avatar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 45px rgba(16, 185, 129, 0.22);
}

.hero-avatar-card:hover .avatar-image-container img {
  transform: scale(1.03);
}

.floating-badge {
  position: absolute;
  background: rgba(14, 16, 23, 0.88);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  box-shadow: var(--shadow-md), 0 4px 20px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 3;
  animation: floatBadge 4s ease-in-out infinite alternate;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.floating-badge:hover {
  transform: translateY(-4px) scale(1.02);
}

.floating-badge-1 {
  bottom: -15px;
  left: -20px;
  border-color: rgba(16, 185, 129, 0.35);
}

.floating-badge-2 {
  top: 25px;
  right: -25px;
  border-color: rgba(99, 102, 241, 0.35);
  animation-delay: -2s;
}

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

.badge-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.badge-icon-emerald {
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary-emerald);
}

.badge-icon-indigo {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-indigo);
}

.badge-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.badge-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   7. Impact & Stats Dashboard Section
   -------------------------------------------------------------------------- */
.stats-banner {
  padding: 2.5rem 0;
  margin-top: -2rem;
  margin-bottom: 2rem;
}

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

.stat-card {
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-emerald);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: var(--shadow-md);
}

.stat-card:hover::after {
  opacity: 1;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--primary-emerald);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   8. About & Story Section
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}

.bio-card {
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  backdrop-filter: blur(16px);
}

.bio-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bio-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.bio-card p:last-child {
  margin-bottom: 0;
}

.bio-docs-bar {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: 1fr;
}

.bio-doc-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.1rem 1.35rem;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

[data-theme="light"] .bio-doc-item {
  background: rgba(0, 0, 0, 0.02);
}

.bio-doc-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(16, 185, 129, 0.3);
  transform: translateY(-2px);
}

.bio-doc-info strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.bio-doc-info span {
  display: block;
  font-size: 0.775rem;
  color: var(--text-muted);
  line-height: 1.35;
}

@media (max-width: 576px) {
  .bio-doc-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .bio-doc-item .btn {
    width: 100%;
  }
}

.about-side-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-card {
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  transition: border-color var(--transition-fast);
}

.info-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.info-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 185, 129, 0.12);
  color: var(--primary-emerald);
  font-size: 1.15rem;
}

.info-card-icon.icon-purple {
  background: rgba(139, 92, 246, 0.12);
  color: var(--accent-purple);
}

.info-card-title {
  font-size: 1.1rem;
  font-weight: 700;
}

/* Education Timeline in About */
.edu-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  padding-left: 1.25rem;
}

.edu-timeline::before {
  content: '';
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 0;
  width: 2px;
  background: var(--border-subtle);
}

.edu-item {
  position: relative;
}

.edu-item::before {
  content: '';
  position: absolute;
  left: -1.25rem;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-emerald);
  transform: translateX(-3px);
  box-shadow: 0 0 8px var(--primary-emerald);
}

.edu-degree {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
}

.edu-inst {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.edu-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.4rem;
}

.edu-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.12);
  color: var(--primary-emerald);
}

/* --------------------------------------------------------------------------
   9. Skills Matrix Section
   -------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-category-card {
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.skill-category-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: var(--shadow-md);
}

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

.skill-cat-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.skill-cat-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.skill-badges-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.skill-pill:hover {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
  color: var(--primary-emerald);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   10. Projects Section (Filterable & Interactive)
   -------------------------------------------------------------------------- */
.project-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
  background: var(--primary-emerald);
  color: #041F16;
  border-color: var(--primary-emerald);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

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

.project-card {
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(16px);
  transition: all var(--transition-normal);
  position: relative;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.7);
}

.project-card-header {
  padding: 1.75rem 1.75rem 1rem 1.75rem;
}

.project-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.project-category-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-indigo);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.project-featured-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.project-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.project-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.project-problem-box {
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--primary-emerald);
  padding: 0.65rem 0.85rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.project-problem-box strong {
  color: var(--text-primary);
}

.project-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.project-highlights li {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.project-highlights li::before {
  content: '✦';
  color: var(--primary-emerald);
  font-size: 0.75rem;
  margin-top: 0.15rem;
}

.project-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding: 0 1.75rem 1.25rem 1.75rem;
}

.tech-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.project-card-footer {
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.15);
  display: flex;
  gap: 0.75rem;
}

.project-card-footer .btn {
  flex: 1;
}

/* --------------------------------------------------------------------------
   11. Leadership & Experience Timeline Section
   -------------------------------------------------------------------------- */
.experience-timeline {
  max-width: 920px;
  margin: 0 auto;
  position: relative;
  padding-left: 2rem;
}

.experience-timeline::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-emerald), var(--accent-indigo), transparent);
}

.timeline-card {
  position: relative;
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(16px);
  transition: all var(--transition-normal);
}

.timeline-card:hover {
  transform: translateX(6px);
  border-color: rgba(16, 185, 129, 0.35);
}

.timeline-node {
  position: absolute;
  left: -2.35rem;
  top: 1.75rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-main);
  border: 3px solid var(--primary-emerald);
  box-shadow: 0 0 10px var(--primary-emerald);
}

.timeline-card.gfg-highlight {
  border-color: rgba(16, 185, 129, 0.4);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(14, 16, 23, 0.75) 100%);
}

.timeline-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.timeline-role {
  font-size: 1.25rem;
  font-weight: 700;
}

.timeline-org {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-emerald);
}

.timeline-date {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.timeline-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0.85rem 0 1.25rem 0;
}

.timeline-bullets li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  padding-left: 1.25rem;
}

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

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* --------------------------------------------------------------------------
   12. Achievements & Verified Credentials Section
   -------------------------------------------------------------------------- */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.achievement-card {
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.achievement-card:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: var(--shadow-md);
}

.ach-top {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.ach-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.12);
  color: var(--primary-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.ach-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
}

.ach-org {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-weight: 500;
}

.ach-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 0.75rem;
}

.ach-date {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.ach-verify-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary-emerald);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--transition-fast);
}

.ach-verify-link:hover {
  color: #34D399;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   13. Newspaper Publications Showcase Section
   -------------------------------------------------------------------------- */
.publications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.article-card {
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: var(--shadow-md);
}

.article-outlet-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  width: fit-content;
  margin-bottom: 0.85rem;
}

.outlet-frontier {
  background: rgba(245, 158, 11, 0.12);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.outlet-reader {
  background: rgba(59, 130, 246, 0.12);
  color: #60A5FA;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.outlet-brighter {
  background: rgba(16, 185, 129, 0.12);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.article-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.article-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.85rem;
}

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.article-link-btn {
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   14. Contact Section
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

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

.contact-direct-card {
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(16px);
}

.contact-direct-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.contact-direct-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.75rem;
  line-height: 1.65;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-method-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.method-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.12);
  color: var(--primary-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.method-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.method-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.method-value a:hover {
  color: var(--primary-emerald);
}

/* Contact Form */
.contact-form-panel {
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--primary-emerald);
  background: rgba(16, 185, 129, 0.04);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-feedback {
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  display: none;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
}

.form-feedback.success {
  display: block;
  color: var(--primary-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
  background: rgba(16, 185, 129, 0.1);
}

.form-feedback.error {
  display: block;
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
  background: rgba(239, 68, 68, 0.1);
}

/* Contact Success State with Animated Tick */
.contact-success-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2.5rem 1.5rem;
  animation: fadeInSuccess 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInSuccess {
  0% {
    opacity: 0;
    transform: translateY(16px) scale(0.96);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.success-checkmark-wrapper {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, rgba(16, 185, 129, 0.05) 70%);
  border: 2px solid rgba(16, 185, 129, 0.4);
  box-shadow: 0 0 35px rgba(16, 185, 129, 0.35);
  margin-bottom: 1.5rem;
  position: relative;
  animation: checkmarkGlow 2.5s ease-in-out infinite alternate;
}

@keyframes checkmarkGlow {
  0% {
    box-shadow: 0 0 25px rgba(16, 185, 129, 0.25);
    border-color: rgba(16, 185, 129, 0.35);
  }
  100% {
    box-shadow: 0 0 45px rgba(16, 185, 129, 0.5);
    border-color: rgba(16, 185, 129, 0.7);
  }
}

.checkmark-svg {
  width: 52px;
  height: 52px;
  display: block;
  stroke-width: 3.5;
  stroke: #10B981;
  stroke-miterlimit: 10;
  animation: checkmarkScale 0.4s ease-in-out 0.8s both;
}

.checkmark-circle-svg {
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-width: 3;
  stroke-miterlimit: 10;
  stroke: #10B981;
  animation: strokeCircle 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check-svg {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke: #10B981;
  animation: strokeCheck 0.4s cubic-bezier(0.65, 0, 0.45, 1) 0.5s forwards;
}

@keyframes strokeCircle {
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes strokeCheck {
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes checkmarkScale {
  0%, 100% {
    transform: none;
  }
  50% {
    transform: scale3d(1.12, 1.12, 1);
  }
}

.success-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  background: linear-gradient(135deg, #FFFFFF 20%, #10B981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.success-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 360px;
  margin-bottom: 1.75rem;
}

.send-another-btn {
  border-radius: var(--radius-full);
  padding: 0.55rem 1.35rem;
}

/* --------------------------------------------------------------------------
   15. Footer (Concise & Modern)
   -------------------------------------------------------------------------- */
.footer {
  padding: 1.75rem 0;
  border-top: 1px solid var(--border-subtle);
  background: rgba(6, 7, 10, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  z-index: 2;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.footer-copy strong {
  color: var(--text-primary);
  font-weight: 600;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.back-to-top:hover {
  color: var(--primary-emerald);
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.1);
  transform: translateY(-2px);
}

.back-to-top i {
  transition: transform var(--transition-fast);
}

.back-to-top:hover i {
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   16. Scroll Reveal & Micro-Interactions
   -------------------------------------------------------------------------- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   17. Responsive Breakpoints
   -------------------------------------------------------------------------- */
.desktop-only {
  display: inline-flex;
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-badge-row {
    justify-content: center;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-social-row {
    justify-content: center;
  }

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

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

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }

  .header {
    height: 68px;
  }

  .nav-menu {
    position: fixed;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(10, 12, 18, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 1.5rem;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border-bottom: 1px solid var(--border-subtle);
    gap: 0.75rem;
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
  }

  .nav-menu.show-menu {
    transform: translateY(0);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-actions .btn {
    display: none;
  }

  /* Minimal & Modern Hero on Mobile */
  .hero-section {
    min-height: auto;
    padding-top: calc(var(--header-height) + 1.25rem);
    padding-bottom: 2.75rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    text-align: center;
  }

  .hero-content {
    align-items: center;
    order: 2;
  }

  .hero-visual-wrapper {
    order: 1;
    margin-bottom: 0.25rem;
  }

  .hero-avatar-glow {
    width: 170px;
    height: 170px;
    filter: blur(28px);
  }

  .hero-avatar-card {
    max-width: 140px;
    padding: 4px;
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 25px rgba(16, 185, 129, 0.25);
  }

  .hero-avatar-card::before {
    border-radius: 50%;
  }

  .avatar-image-container {
    border-radius: 50%;
  }

  .floating-badge {
    display: none !important;
  }

  .hero-badge-row {
    justify-content: center;
    margin-bottom: 0.75rem;
  }

  .hero-badge-status {
    padding: 0.35rem 0.85rem;
    font-size: 0.775rem;
  }

  .hero-title {
    font-size: clamp(1.85rem, 5.5vw, 2.25rem);
    line-height: 1.18;
    margin-bottom: 0.65rem;
  }

  .hero-title-sub {
    font-size: 1.05rem;
    margin-top: 0.3rem;
  }

  .hero-description {
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 1.35rem;
    max-width: 480px;
  }

  .hero-cta-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
    width: 100%;
    max-width: 340px;
    margin: 0 auto 1.25rem auto;
  }

  .hero-cta-group .btn {
    padding: 0.65rem 0.85rem;
    font-size: 0.875rem;
    width: 100%;
  }

  .hero-social-row {
    padding-top: 0.9rem;
    justify-content: center;
    gap: 0.75rem;
  }

  .social-label {
    display: none;
  }

  .social-icon-btn {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .skills-grid,
  .projects-grid,
  .achievements-grid,
  .publications-grid {
    grid-template-columns: 1fr;
  }

  /* Keep Extra Features Hidden on Mobile */
  .tech-marquee-section,
  .project-peek-btn,
  .btn-copy-email {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 4rem 0;
  }

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

  .hero-title {
    font-size: 1.7rem;
  }

  .hero-title-sub {
    font-size: 0.925rem;
  }

  .hero-description {
    font-size: 0.875rem;
  }

  .hero-avatar-card {
    max-width: 120px;
  }

  .hero-avatar-glow {
    width: 140px;
    height: 140px;
    filter: blur(20px);
  }

  .hero-cta-group {
    max-width: 310px;
    gap: 0.5rem;
  }

  .hero-cta-group .btn {
    padding: 0.6rem 0.7rem;
    font-size: 0.8125rem;
    gap: 0.35rem;
  }

  .footer {
    padding: 1.25rem 0;
  }

  .footer-content {
    justify-content: center;
    text-align: center;
    gap: 0.75rem;
  }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ==========================================================================
   19. Tech Stack Infinite Marquee Ribbon
   ========================================================================== */
.tech-marquee-section {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 1.15rem 0;
  background: rgba(14, 16, 23, 0.45);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  z-index: 10;
}

.tech-marquee-track {
  display: flex;
  width: max-content;
  gap: 1rem;
}

.tech-marquee-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  animation: marqueeScroll 26s linear infinite;
}

.tech-marquee-section:hover .tech-marquee-group {
  animation-play-state: paused;
}

@keyframes marqueeScroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-100% - 0.85rem));
  }
}

.marquee-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface-glass-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  letter-spacing: 0.01em;
  transition: all 0.25s ease;
}

.marquee-pill i {
  color: var(--primary-emerald);
  font-size: 0.95rem;
}

.marquee-pill:hover {
  border-color: var(--primary-emerald);
  background: rgba(16, 185, 129, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.15);
}

/* ==========================================================================
   20. Email Copy Button & Method Row
   ========================================================================== */
.method-body-group {
  flex: 1;
}

.method-value-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.btn-copy-email {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  color: var(--primary-emerald);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-copy-email:hover {
  background: var(--primary-emerald);
  color: #08090e;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.25);
}

.btn-copy-email:active {
  transform: scale(0.95);
}

/* ==========================================================================
   21. Floating Toast Notification
   ========================================================================== */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notification.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius-full);
  background: rgba(14, 16, 23, 0.95);
  border: 1px solid rgba(16, 185, 129, 0.45);
  box-shadow: 0 12px 35px -6px rgba(0, 0, 0, 0.6), 0 0 20px rgba(16, 185, 129, 0.2);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
}

.toast-icon {
  color: var(--primary-emerald);
  font-size: 1.25rem;
  filter: drop-shadow(0 0 8px rgba(16, 185, 129, 0.5));
}

/* ==========================================================================
   22. Interactive Project Quick Peek Modal
   ========================================================================== */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 9990;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
}

.project-modal.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.project-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 9, 14, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.project-modal-card {
  position: relative;
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-surface-glass);
  border: 1px solid var(--border-focus);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  z-index: 1;
  transform: scale(0.92) translateY(15px);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-modal.active .project-modal-card {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
  color: #ef4444;
  transform: rotate(90deg);
}

.modal-tag-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}

.modal-header-title {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.modal-header-sub {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.modal-section-title {
  font-size: 0.825rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary-emerald);
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.modal-highlights-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.modal-highlights-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.modal-highlights-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary-emerald);
  font-size: 0.85rem;
}

.modal-tech-stack-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 2rem;
}

.modal-action-bar {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

@media (max-width: 640px) {
  .toast-notification {
    bottom: 1.25rem;
    right: 1.25rem;
    left: 1.25rem;
  }
  .toast-content {
    justify-content: center;
    width: 100%;
  }
  .project-modal-card {
    padding: 1.5rem;
  }
  .modal-action-bar {
    flex-direction: column;
    width: 100%;
  }
  .modal-action-bar .btn {
    width: 100%;
  }
}