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Portfolio / frontend /src /index.css
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/* =====================================================
   PARTHIB KARAK PORTFOLIO - GLOBAL DESIGN SYSTEM
   Premium Dark-Mode First, Cinematic Aesthetic
   ===================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* CSS Custom Properties */
:root {
  /* Color Palette */
  --bg-primary: #050810;
  --bg-secondary: #0a0f1e;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);

  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-tertiary: #06b6d4;
  --accent-glow: rgba(99, 102, 241, 0.4);
  --accent-glow-cyan: rgba(6, 182, 212, 0.3);

  --text-primary: #f0f4ff;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --text-accent: #818cf8;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(99, 102, 241, 0.3);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-3xl: 8rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Light Mode */
[data-theme="light"] {
  --bg-primary: #f8faff;
  --bg-secondary: #eef2ff;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-card-hover: rgba(255, 255, 255, 0.95);

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #94a3b8;
  --text-accent: #6366f1;

  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-glow: rgba(99, 102, 241, 0.2);

  --shadow-card: 0 8px 32px rgba(99, 102, 241, 0.08);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.1);
}

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px;
  scrollbar-gutter: stable;
  overflow-y: scroll;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: var(--radius-full);
}

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

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

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-sm);
  }
}

/* Section Base */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 16px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.05), var(--shadow-card);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1), var(--shadow-glow), var(--shadow-card);
  transform: translateY(-4px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition-normal);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

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

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

.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.8rem;
}

/* Gradient Text Utility */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glow Effects */
.glow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 12px var(--accent-glow), 0 0 24px var(--accent-glow);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 12px var(--accent-glow), 0 0 24px var(--accent-glow); }
  50% { box-shadow: 0 0 20px var(--accent-glow), 0 0 40px var(--accent-glow); }
}

/* Gradient Orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.orb-purple {
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
}

.orb-cyan {
  background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 70%);
}

/* Tag / Badge */
.tech-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--text-accent);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.4);
}

/* Page Transitions */
.page-enter {
  opacity: 0;
  transform: translateY(20px);
}

.page-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 500ms, transform 500ms;
}

/* Noise Texture Overlay */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* Responsive Helpers */
@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .about-clean-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
  .footer-top-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
}

/* Selection */
::selection {
  background: rgba(99, 102, 241, 0.3);
  color: var(--text-primary);
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all var(--transition-normal);
  padding: 20px 0;
}

.navbar.scrolled {
  background: rgba(5, 8, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(248, 250, 255, 0.85);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.navbar-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 4px 0;
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-tertiary));
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--text-primary);
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
  width: 100%;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.theme-toggle:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 16, 0.97);
  backdrop-filter: blur(20px);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

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

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .navbar-links,
  .navbar-actions .btn {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .navbar-actions {
    gap: 8px;
  }
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-two-col {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 5rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 960px) {
  .hero-two-col {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-two-col > div:last-child {
    order: -1;
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .hero-two-col > div:last-child > div[style] {
    width: 240px !important;
    height: 240px !important;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-accent);
  margin-bottom: var(--space-md);
}

.hero-name {
  font-size: clamp(3.5rem, 10vw, 7.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.hero-title {
  font-size: clamp(1.2rem, 3vw, 1.75rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-family: var(--font-primary);
  white-space: nowrap;
}

.hero-title span {
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Fixed-height row so typed text never causes layout shift */
.hero-typed-line {
  display: flex;
  align-items: center;
  gap: 6px;
  height: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.hero-typed-label {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.hero-typed-text {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  min-width: 0;
}

.hero-typed-cursor {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--accent-primary);
  animation: blink-cursor 0.8s step-end infinite;
  flex-shrink: 0;
}

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

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: all var(--transition-normal);
}

.hero-socials a:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 2;
  animation: bounce 2s ease-in-out infinite;
}

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

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--accent-primary), transparent);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.about-image-container {
  position: relative;
  display: flex;
  justify-content: center;
}

.about-image-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: rotate-glow 8s linear infinite;
}

@keyframes rotate-glow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.about-avatar {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid rgba(99, 102, 241, 0.4);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 60px rgba(99, 102, 241, 0.3);
}

.about-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: ring-pulse 3s ease-in-out infinite;
}

.about-ring-1 {
  inset: -20px;
  border-color: rgba(99, 102, 241, 0.2);
  animation-delay: 0s;
}

.about-ring-2 {
  inset: -40px;
  border-color: rgba(99, 102, 241, 0.1);
  animation-delay: 0.5s;
}

@keyframes ring-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.02); }
}

.about-text h3 {
  font-size: 1.75rem;
  margin-bottom: var(--space-sm);
}

.about-text p {
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: var(--space-sm);
}

.about-stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .about-stats {
    justify-content: center;
  }
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Skills */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-md);
}

.skill-category-card {
  padding: var(--space-lg);
}

.skill-category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  font-size: 1.4rem;
  margin-bottom: var(--space-sm);
}

.skill-category-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

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

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: var(--space-md);
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

.project-card {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-tertiary));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.project-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

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

.project-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.project-highlights {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.project-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.project-highlights li::before {
  content: '→';
  color: var(--accent-primary);
  flex-shrink: 0;
  margin-top: 1px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.project-actions {
  display: flex;
  gap: 10px;
  margin-top: var(--space-sm);
}

/* Education */
.education-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.education-timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent-primary), transparent);
}

.education-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  position: relative;
}

.education-dot {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  border: 2px solid var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.education-content {
  padding-top: 4px;
  flex: 1;
}

.education-level {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-accent);
  margin-bottom: 6px;
}

.education-degree {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.education-school {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.education-grade {
  display: inline-flex;
  padding: 3px 12px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
}

/* Achievements */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-md);
}

.achievement-card {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}

.achievement-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.achievement-title {
  font-size: 1rem;
  font-weight: 700;
}

.achievement-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-2xl);
  align-items: start;
}

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

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: all var(--transition-normal);
}

.contact-link:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
  transform: translateX(4px);
}

.contact-link-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* Contact Form */
.contact-form {
  padding: var(--space-xl);
  backdrop-filter: blur(20px);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

[data-theme="light"] .form-input,
[data-theme="light"] .form-textarea {
  background: rgba(248, 250, 255, 0.8);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-error {
  font-size: 0.8rem;
  color: #f87171;
  margin-top: 4px;
}

.form-status {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: var(--space-sm);
  text-align: center;
}

.form-status.success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.form-status.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* Footer */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.footer-socials {
  display: flex;
  gap: var(--space-sm);
}

.footer-socials a {
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-socials a:hover {
  color: var(--accent-primary);
}

.footer-text {
  font-size: 0.85rem;
}

.footer-text span {
  color: var(--accent-primary);
}

/* =====================================================
   BLOG GRIDS - RESPONSIVE
   ===================================================== */

.blog-featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
}

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

@media (max-width: 600px) {
  .blog-featured-grid,
  .blog-rest-grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   BLOG READ MODAL
   ===================================================== */

.blog-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(5, 8, 16, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 1rem;
  overflow-y: auto;
}

.blog-modal-container {
  background: var(--bg-primary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  width: 100%;
  max-width: 820px;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(99, 102, 241, 0.15);
  margin: auto;
  position: relative;
}

.blog-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  border-radius: 24px 24px 0 0;
  z-index: 10;
}

.blog-modal-back {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.blog-modal-back:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

.blog-modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.blog-modal-close:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.blog-modal-article-header {
  padding: 2rem 2rem 1rem;
}

.blog-modal-title {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.blog-modal-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.blog-modal-meta-dot {
  opacity: 0.5;
}

.blog-modal-content {
  flex: 1;
  padding: 0 2rem 2rem;
  overflow-y: auto;
}

.blog-modal-body {
  max-width: 100%;
}

/* Blog Modal Typography */
.blog-modal-h2 {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-subtle);
}

.blog-modal-h3 {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  font-weight: 700;
  color: var(--text-accent);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.blog-modal-p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 0.6rem;
}

.blog-modal-bold {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

.blog-modal-li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0.4rem;
}

.blog-modal-bullet {
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: -1px;
}

.blog-modal-num {
  min-width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.25);
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: #c7d2fe;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.blog-modal-li strong {
  color: var(--text-primary);
  font-weight: 600;
}

.blog-modal-p strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Code blocks in modal */
.blog-code-block {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-md);
  margin: 1.25rem 0;
  overflow: hidden;
}

.blog-code-lang {
  padding: 6px 16px;
  background: rgba(99, 102, 241, 0.08);
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-accent);
  font-family: var(--font-mono);
}

.blog-code-block pre {
  padding: 1.2rem 1.5rem;
  overflow-x: auto;
  margin: 0;
}

.blog-code-block code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: #e2e8f0;
  white-space: pre;
}

/* Table in modal */
.blog-table-wrap {
  overflow-x: auto;
  margin: 1.25rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.blog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.blog-table th {
  padding: 10px 16px;
  background: rgba(99, 102, 241, 0.08);
  color: var(--text-accent);
  font-weight: 700;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.blog-table td {
  padding: 10px 16px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.blog-table tr:last-child td {
  border-bottom: none;
}

.blog-table tr:hover td {
  background: var(--bg-card);
}

.blog-modal-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.blog-modal-close-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 8px 20px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.blog-modal-close-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* =====================================================
   COMPREHENSIVE MOBILE RESPONSIVENESS
   ===================================================== */

/* --- Hero mobile --- */
@media (max-width: 768px) {
  .hero-two-col {
    grid-template-columns: 1fr !important;
    text-align: center;
    gap: 2rem !important;
    padding-top: 0 !important;
  }

  .hero-two-col > div:last-child {
    order: -1;
    margin: 0 auto;
  }

  /* Shrink hero profile photo on mobile */
  .hero-two-col > div:last-child > div[style*="370"] {
    width: 220px !important;
    height: 220px !important;
  }

  /* Center hero CTA buttons */
  .hero-cta {
    justify-content: center;
  }

  /* Center hero socials */
  .hero-socials,
  [style*="display: flex"][style*="alignItems: center"][style*="gap: 1rem"] {
    justify-content: center;
  }

  /* Reduce floating badges on small screens */
  .hero-two-col [style*="position: absolute"][style*="bottom: 16"] {
    left: 0 !important;
    bottom: 0 !important;
  }
  .hero-two-col [style*="position: absolute"][style*="top: 20"] {
    right: 0 !important;
    top: 0 !important;
  }
}

@media (max-width: 480px) {
  /* Name font tighter on very small screens */
  h1[style*="clamp(2.2rem"] {
    font-size: clamp(2rem, 10vw, 3rem) !important;
    white-space: normal !important;
  }

  /* Remove whitespace nowrap on hero title */
  .hero-title {
    white-space: normal !important;
  }
}

/* --- Skills mobile --- */
@media (max-width: 600px) {
  .skills-categories {
    grid-template-columns: 1fr !important;
  }
}

/* --- Experience mobile --- */
@media (max-width: 768px) {
  .experience-timeline::before {
    left: 16px !important;
  }
}

/* --- Achievements mobile --- */
@media (max-width: 600px) {
  .achievements-grid {
    grid-template-columns: 1fr !important;
  }
}

/* --- Publications mobile --- */
@media (max-width: 600px) {
  .publications-grid {
    grid-template-columns: 1fr !important;
  }
}

/* --- Contact form mobile --- */
@media (max-width: 600px) {
  .contact-form {
    padding: var(--space-md) !important;
  }
}

/* --- General section padding on mobile --- */
@media (max-width: 480px) {
  .section {
    padding: 3rem 0;
  }

  .section-header {
    margin-bottom: 2rem;
  }

  .section-subtitle {
    font-size: 0.95rem;
  }

  .glass-card {
    border-radius: var(--radius-md);
  }
}

/* --- Blog modal mobile --- */
@media (max-width: 600px) {
  .blog-modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .blog-modal-container {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    min-height: 90vh;
    max-height: 95vh;
    overflow-y: auto;
    margin: 0;
  }

  .blog-modal-article-header,
  .blog-modal-content {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .blog-modal-header {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .blog-modal-footer {
    padding: 1rem 1.25rem;
  }

  .blog-code-block pre {
    padding: 1rem;
  }

  .blog-code-block code {
    font-size: 0.75rem;
  }

  .blog-modal-title {
    font-size: 1.3rem;
  }
}

/* --- Navbar mobile improvements --- */
@media (max-width: 768px) {
  .navbar {
    padding: 14px 0;
  }

  .navbar.scrolled {
    padding: 10px 0;
  }

  .mobile-menu a {
    font-size: 1.6rem;
  }
}

/* --- Footer mobile --- */
@media (max-width: 600px) {
  .footer-top-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
    text-align: center !important;
  }

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

/* --- Education mobile --- */
@media (max-width: 600px) {
  .education-timeline::before {
    left: 18px;
  }

  .education-dot {
    width: 38px !important;
    height: 38px !important;
    font-size: 0.9rem !important;
  }

  .education-degree {
    font-size: 1rem !important;
  }
}

/* --- Prevent horizontal overflow globally --- */
*, *::before, *::after {
  max-width: 100%;
}

img, video, canvas, svg {
  max-width: 100%;
  height: auto;
}

/* Touch-friendly tap targets */
@media (max-width: 768px) {
  .btn {
    min-height: 44px;
    padding: 12px 22px;
  }

  .tech-tag {
    padding: 5px 12px;
  }

  .blog-modal-back,
  .blog-modal-close {
    min-height: 40px;
    min-width: 40px;
  }
}

/* --- Hero profile image responsive sizing --- */
@media (max-width: 960px) {
  .hero-profile-img {
    width: 280px !important;
    height: 280px !important;
  }
}

@media (max-width: 600px) {
  .hero-profile-img {
    width: 200px !important;
    height: 200px !important;
  }

  /* Hide floating badges on very small screens to prevent overflow */
  .hero-badge-float {
    display: none !important;
  }
}

@media (max-width: 400px) {
  .hero-profile-img {
    width: 170px !important;
    height: 170px !important;
  }
}