/* ===================================
   CSS Variables & Reset
   =================================== */

:root {
  /* Colors - Blue-Gold Premium Theme */
  --bg-primary: #0a0f1f;
  --bg-secondary: #1c2331;
  --bg-tertiary: #141824;
  --text-primary: #ffffff;
  --text-secondary: #b0b3b8;
  --text-muted: #6b7280;
  --accent-primary: #007BFF;
  --accent-secondary: #00D4FF;
  --accent-gold: #FFD700;
  --accent-gradient: linear-gradient(135deg, #007BFF 0%, #00D4FF 100%);
  --gold-gradient: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  --card-bg: #1a1f2e;
  --border-color: #2a3142;
  --hover-bg: #252a3a;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Typography */
  --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 20px rgba(0, 123, 255, 0.4);
  --shadow-gold-glow: 0 0 30px rgba(255, 215, 0, 0.5);
  --focus-ring: #00D4FF;
  /* Dynamic offsets populated by JS */
  --site-header-offset: 80px;
  --viewer-header-height: 56px;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Container */
  --container-max-width: 1200px;
  border-left: 5px solid #0A66C2;
  background: linear-gradient(120deg, rgba(10,15,31,0.98) 80%, #0A66C2 100%);
}

/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  --accent-gold: #FFC700;

  --gold-gradient: linear-gradient(135deg, #FFC700 0%, #FFA000 100%);
  scroll-behavior: smooth;
  font-size: 16px;
  /* Removed global border-left and background gradient to fix header/nav artifacts */
}

/* Force AOS elements to be visible before animation */
[data-aos] {
  opacity: 1 !important;
  transform: none !important;
  transition: opacity 0.6s ease, transform 0.6s ease !important;
}

[data-aos].aos-animate {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

body {
  --shadow-gold-glow: 0 0 25px rgba(255, 199, 0, 0.45);
  background: linear-gradient(135deg, #0a0f1f 0%, #1c2331 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Accessibility helpers */
.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
  clip-path: inset(50%);
}

:focus:not(:focus-visible) { outline: none; }
:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}
/* Skip link */
.skip-link {
  position: fixed;
  left: var(--spacing-md);
  top: -100px;
  z-index: 1100;
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  transition: top var(--transition-base), opacity var(--transition-base);
  opacity: 0;
}
.skip-link:focus-visible {
  top: var(--spacing-md);
  opacity: 1;
}
 
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ===================================
   Utility Classes
   =================================== */

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-dark {
  background-color: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

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

/* ===================================
   Header & Navigation
   =================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
  will-change: transform;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo-text {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(135deg, #007BFF 0%, #00D4FF 50%, #FFC700 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  transition: transform 0.3s ease;
  display: inline-block;
}

.logo-text:hover {
  transform: translateY(-2px);
}

.logo-text .accent {
  color: #FFC700;
  -webkit-text-fill-color: #FFC700;
  font-weight: 800;
}

.nav-list {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
/* A11y: aria-current indicator */
.nav-link[aria-current="page"] {
  color: var(--accent-primary);
}
.nav-link[aria-current="page"]::after {
  width: 100%;
}

/* Smart header states */
.header--scrolled {
  box-shadow: 0 6px 18px rgba(0,0,0,0.35);
}
.header--hidden {
  transform: translateY(-100%);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.375rem;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 1.5rem;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 8rem;
  padding-bottom: 3rem;
  overflow: visible;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
  z-index: -1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.hero-text {
  z-index: 1;
}

.hero-greeting {
  font-size: 1.5rem;
  color: #00D4FF;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  letter-spacing: 0.5px;
  opacity: 1;
  display: block;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-name {
  display: block;
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(90deg, #007BFF 0%, #00D4FF 60%, #FFC700 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: fadeInUp 1.2s cubic-bezier(.77,0,.18,1) 0.2s both;
}

.hero-tagline {
  display: block;
  font-size: 0.6em;
  font-weight: 600;
  color: var(--accent-secondary);
  margin-top: 0.5rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.hero-subtitle .highlight {
  color: var(--accent-primary);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
  max-width: 600px;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

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

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.hero-social {
  display: flex;
  gap: var(--spacing-md);
}

.hero-social a {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: var(--transition-base);
}

.hero-social a:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.hero-image {
  position: relative;
  z-index: 1;
  align-self: start;
  justify-self: end; /* push image column content to the right edge on desktop */
}

.image-wrapper {
  position: relative;
  max-width: 350px;
  margin: 0 0 0 auto; /* right-align under desktop */
}

/* Show photo inside text content by default and hide the right column when hero-inline is active */
.hero-inline .hero-image { display: none; }
.hero-inline .hero-inline-photo {
  display: block;
  float: right;
  margin: 0 0 0 1.5rem; /* space from text on the left */
}
.hero-inline .hero-inline-photo .image-wrapper {
  max-width: 260px;
  margin: 0;
}

/* Mobile/tablet: place the inline photo above and centered */
@media (max-width: 1024px) {
  .hero-inline .hero-inline-photo {
    float: none;
    margin: 0 auto var(--spacing-md);
    display: block;
    text-align: center;
  }
  .hero-inline .hero-inline-photo .image-wrapper {
    max-width: 300px;
    margin: 0 auto;
  }
}

/* Followers inside hero image column */
.hero-image .followers-widget {
  margin: 0.75rem auto 0;
  justify-items: center;
}
.hero-image .followers-meta { justify-content: center; }

/* Embedded avatar (no circle) */
.embedded-avatar {
  border-radius: 0;
  overflow: visible;
  background: transparent;
  box-shadow: none;
  position: relative;
  isolation: isolate;
}

.embedded-avatar::before { display: none; }

.profile-img.embedded-img,
.about-img.embedded-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 0;
  box-shadow: none;
  /* Use drop-shadow so the PNG cutout casts a natural shadow that follows transparency */
  filter: drop-shadow(0 18px 32px rgba(0,0,0,0.35));
  -webkit-mask-image: none;
    mask-image: none;
}

/* Optional: soften hard rectangular edges of non-transparent areas */
.profile-img.edge-feather,
.about-img.edge-feather {
  -webkit-mask-image: radial-gradient(120% 120% at 55% 48%, #000 86%, rgba(0,0,0,0) 100%);
          mask-image: radial-gradient(120% 120% at 55% 48%, #000 86%, rgba(0,0,0,0) 100%);
}

/* Remove circular decorators if any remain */
.embedded-avatar::after { display: none; }

/* Make hero avatar circular and hide white corners */
.round-avatar {
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  background: transparent;
  box-shadow: none; /* no visible ring */
}

.round-avatar::after { display: none; }

.profile-img.mask-circle {
  border-radius: 50%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  transform: translateY(0);
  will-change: transform;
}

/* Use manually cropped image - no positioning needed */
.profile-img.mask-circle.face-balance,
.about-img.mask-circle.face-balance {
  /* Reset to center since image is manually cropped */
  object-position: 50% 50%;
}

/* Explicit transform-based shift for stronger effect than object-position */
.profile-img.mask-circle.shift-down,
.about-img.mask-circle.shift-down {
  transform: translateY(8%);
}

/* Preserve shift on hover scaling */
.profile-img.mask-circle.shift-down:hover {
  transform: translateY(8%) scale(1.05);
}
.about-img.mask-circle.shift-down:hover {
  transform: translateY(8%) scale(1.05);
}

/* Try to visually "knock out" pure white backgrounds in JPEGs
   This is a CSS-only approximation using blend modes and keying. */
.profile-img.bg-remove {
  /* darken whites and blend edges on non-transparent images */
  mix-blend-mode: darken; /* try darken first for white cutouts */
  filter: contrast(1.05) saturate(1.02);
}

/* High-contrast theme fallback */
@supports (-webkit-mask-image: none) or (mask-image: none) {
  .round-avatar {
    -webkit-mask-image: radial-gradient(circle, black 70%, transparent 71%);
            mask-image: radial-gradient(circle, black 70%, transparent 71%);
    -webkit-mask-size: cover;
            mask-size: cover;
  }
}

/* --- Profile image square frame fix --- */
.profile-img {
  width: 100%;
  border-radius: var(--radius-md); /* square corners */
  border: none;
  box-shadow: var(--shadow-xl);
  object-fit: cover;
  background: transparent;
  filter: contrast(1.05) brightness(1.02);
  transition: var(--transition-base);
  aspect-ratio: 1/1;
}

.profile-img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl), 0 0 24px rgba(0, 212, 255, 0.25); /* blue glow only */
}

/* Remove circle border */
.image-decoration {
  display: none;
}

/* --- About page image --- */
.about-img {
  width: 100%;
  border-radius: var(--radius-md); /* square corners */
  border: none;
  box-shadow: var(--shadow-xl);
  transition: var(--transition-base);
  object-fit: cover;
  aspect-ratio: 1/1;
}

.about-image-wrapper.round-avatar {
  border-radius: 50%;
  overflow: hidden;
}

.about-img.mask-circle {
  border-radius: 50%;
  object-fit: cover;
}

.about-img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl), 0 0 24px rgba(0, 212, 255, 0.25);
}

/* Remove about decoration */
.about-decoration {
  display: none;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-indicator a {
  color: var(--accent-primary);
  font-size: 1.5rem;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ===================================
   Buttons
   =================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
  background-color: var(--card-bg);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  background-color: var(--hover-bg);
}

.btn-outline {
  background-color: transparent;
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.btn-outline:hover {
  background-color: var(--accent-primary);
  color: white;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* New Button Styles for Redesign */
/* Style for View Certificate button links */
.view-certificate {
  color: #fff;
  background: #00bfff;
  border: none;
  border-radius: 8px;
  padding: 10px 24px;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,191,255,0.15);
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  margin-top: 12px;
  text-decoration: none;
  display: inline-block;
}
.view-certificate:hover {
  background: #0099cc;
  box-shadow: 0 6px 24px rgba(0,191,255,0.25);
}
.btn-gradient {
  background: var(--accent-gradient);
  color: white;
  border: 2px solid var(--accent-secondary); /* was gold */
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.btn-gradient::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.15); /* was gold */
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-gradient:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.25); /* was gold glow */
  border-color: var(--accent-secondary); /* was gold */
}

.btn-view {
  background: var(--accent-gradient);
  color: white;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-view::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.btn-view:hover::before {
  left: 100%;
}

.btn-view:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 123, 255, 0.4);
  border-color: var(--accent-secondary);
}

.btn-view:active {
  transform: translateY(0);
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.7);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(0, 123, 255, 0);
  }
}

/* ===================================
   About Preview Section
   =================================== */

.about-preview-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.about-preview-text h3 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
  color: var(--accent-primary);
}

.about-preview-text p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.about-preview-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.stat-card {
  background-color: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: var(--transition-base);
}

.stat-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  color: white;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.25rem;
}

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

/* ===================================
   Skills Preview Section
   =================================== */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: var(--spacing-xl);
}

.skill-category {
  background-color: var(--card-bg);
  padding: 2rem var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition-base);
  margin-bottom: 1.5rem;
}

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

.skill-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  font-size: 2rem;
  color: white;
}

.skill-category h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.skill-tag {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.skill-tag:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.skills-cta {
  text-align: center;
}

/* ===================================
   Featured Projects Section
   =================================== */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.project-card {
  background-color: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  height: auto;
  min-height: 500px;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-primary);
}

.project-image {
  position: relative;
  height: 180px;
  overflow: hidden;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-icon {
  font-size: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.project-image .image-fallback {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 2.25rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
}

.project-image.no-image .image-fallback {
  display: flex;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: none; /* Hidden - using bottom button instead */
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-base);
}

.project-card:hover .project-overlay {
  opacity: 0; /* Keep hidden on hover */
  display: none;
}

.project-link {
  padding: 0.75rem 1.5rem;
  background: var(--accent-gradient);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 600;
}

.project-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.project-description {
  color: #ffffff !important;
  background: transparent !important;
  font-size: 1rem !important;
  margin-bottom: 1rem !important;
  line-height: 1.6 !important;
  font-weight: 400 !important;
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  min-height: auto !important;
  padding: 0 !important;
  border: none !important;
  text-align: left !important;
}

/* Force visibility for AOS-animated elements */
.project-card[data-aos] .project-description,
.project-card[data-aos] .project-content,
.project-card[data-aos] .project-title {
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.project-links {
  margin-top: auto;
}

.project-links .btn-view,
.project-links .btn {
  width: 100%;
  justify-content: center;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
}

.tech-badge {
  background-color: var(--bg-tertiary);
  color: var(--accent-primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  border: 1px solid var(--border-color);
}

.projects-cta {
  text-align: center;
}

/* ===================================
   CTA Section
   =================================== */

.cta-section {
  text-align: center;
  padding: var(--spacing-2xl) 0;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-md);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-text {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===================================
   Footer
   =================================== */

.footer {
  background-color: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-social a {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: var(--transition-base);
}

.footer-social a:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-3px);
}

.footer-heading {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.footer-links li,
.footer-contact li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a,
.footer-contact a {
  color: var(--text-secondary);
  transition: var(--transition-base);
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--accent-primary);
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
}

.footer-contact i {
  color: var(--accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
}

.footer-bottom p {
  margin-bottom: 0.5rem;
}

.footer-bottom i {
  color: var(--error);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 1024px) {
  .hero-content,
  .about-preview-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .hero-image {
    /* Place image above text in single-column layout */
    grid-row: 1;
    justify-self: center; /* center image on smaller screens */
    align-self: start;
  }
  .hero-text {
    grid-row: 2;
  }
  
  .image-wrapper {
    max-width: 400px;
    margin: 0 auto; /* center wrapper on smaller screens */
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 4.5rem;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md);
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-base);
    max-height: calc(100vh - 4.5rem);
    overflow-y: auto;
  }
  
  .nav.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .nav-list {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  body.menu-open {
    overflow: hidden;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .about-preview-stats {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .hero {
    padding-top: 4rem;
  }
  
  .hero-social {
    justify-content: center;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================================
   Custom Scrollbar
   =================================== */

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}

/* ===================================
   Selection
   =================================== */

::selection {
  background-color: var(--accent-primary);
  color: white;
}

::-moz-selection {
  background-color: var(--accent-primary);
  color: white;
}

/* ===================================
   Page Header
   =================================== */

.page-header {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.page-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

/* ===================================
   About Section
   =================================== */

.about-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.about-image-wrapper {
  position: relative;
  max-width: 400px;
  margin: 0 auto;
}

.about-image-wrapper.embedded-avatar {
  border-radius: var(--radius-md);
  overflow: visible;
  background: transparent;
  box-shadow: none;
}

/* --- About page image --- */
.about-img {
  width: 100%;
  border-radius: var(--radius-md); /* square corners */
  border: none;
  box-shadow: var(--shadow-xl);
  transition: var(--transition-base);
  object-fit: cover;
  aspect-ratio: 1/1;
}

.about-img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl), 0 0 24px rgba(0, 212, 255, 0.25);
}

/* Remove about decoration */
.about-decoration {
  display: none;
}

/* ===================================
   Enhanced About Section Styles
   =================================== */

.about-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.about-name {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-title-subtitle {
  display: block;
  font-size: 1.25rem;
  color: var(--accent-secondary);
  font-weight: 600;
  margin-top: 0.5rem;
  letter-spacing: 0.5px;
}

.about-summary {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.about-highlights {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--card-bg);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition-base);
}

.highlight-item:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.highlight-item i {
  color: var(--accent-primary);
  font-size: 1rem;
}

.about-bio h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.expertise-showcase {
  margin: 2rem 0;
}

.expertise-showcase h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.expertise-item {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  text-align: center;
}

.expertise-item:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.expertise-item i {
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.expertise-item h4 {
  color: var(--text-primary);
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.expertise-item p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

.about-subtitle {
  font-size: 1.5rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-lg);
}

.about-bio {
  margin-bottom: var(--spacing-lg);
}

.about-bio p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.about-bio strong {
  color: var(--accent-primary);
}

.about-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.info-item i {
  color: var(--accent-primary);
  font-size: 1.25rem;
  width: 1.5rem;
}

.info-item div {
  display: flex;
  flex-direction: column;
}

.info-item strong {
  color: var(--text-primary);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.info-item span,
.info-item a {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.info-item a:hover {
  color: var(--accent-primary);
}

.about-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* ===================================
   Skills Section
   =================================== */

.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 2.5rem;
}

.skill-group {
  background-color: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.skill-group:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-lg);
}

.skill-group-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.skill-group-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  color: white;
}

.skill-group-title {
  font-size: 1.25rem;
  color: var(--text-primary);
}

.skill-list {
  /* Vertical list for skills inside each skill-group to avoid horizontal
     column conflicts when multiple groups are side-by-side. Keeps layout
     predictable and prevents overlapping cards. */
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.skill-item {
  /* Each skill item should fill the group's width and remain vertically
     stacked. Keep padding and border consistent so cards are visually
     separated without overlapping other groups. */
  width: 100%;
  box-sizing: border-box;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 64px;
  justify-content: center;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  overflow: hidden;
}

.skill-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-primary);
}

/* Prevent nested .skill-group or floating elements from overflowing their container */
.skill-group {
  position: relative;
  overflow: visible; /* allow subtle hover shadows */
}

.skill-group .skill-list {
  overflow: visible;
}

/* Vision-related stack: force these related skill items into a vertical column
   so they don't float into adjacent columns or overlap neighboring groups. */
.vision-stack {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.vision-stack .skill-item {
  width: 100%;
  min-width: 0; /* prevent flex overflow */
}

@media (max-width: 1024px) {
  /* on narrower screens keep stacked behaviour and good spacing */
  .vision-stack {
    gap: var(--spacing-sm);
  }
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-name {
  color: var(--text-primary);
  font-weight: 600;
}

.skill-level {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.skill-bar {
  height: 10px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 0.5rem;
}

.skill-progress {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: width 0.8s cubic-bezier(.2,.8,.2,1);
}

/* ===================================
   Timeline (Experience)
   =================================== */

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent-gradient);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.timeline-marker {
  position: absolute;
  left: -2.5rem;
  top: 0;
  width: 1rem;
  height: 1rem;
  background: var(--accent-primary);
  border: 3px solid var(--bg-primary);
  border-radius: var(--radius-full);
  box-shadow: 0 0 0 4px var(--card-bg);
}

.timeline-content {
  background-color: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.timeline-content:hover {
  border-color: var(--accent-primary);
  transform: translateX(10px);
  box-shadow: var(--shadow-lg);
}

.timeline-header {
  margin-bottom: var(--spacing-md);
}

.timeline-title {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.timeline-company {
  display: inline-block;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-date {
  display: block;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.timeline-date i {
  margin-right: 0.5rem;
}

.timeline-description {
  list-style: none;
  padding-left: 0;
}

.timeline-description li {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
}

.timeline-description li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: bold;
}

/* ===================================
   Education Section
   =================================== */

.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.education-card {
  background-color: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  display: flex;
  gap: var(--spacing-md);
  transition: var(--transition-base);
}

.education-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.education-icon {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  font-size: 2rem;
  color: white;
  flex-shrink: 0;
}

.education-degree {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.education-school {
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.education-location,
.education-date,
.education-grade {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.education-location i,
.education-date i,
.education-grade i {
  margin-right: 0.5rem;
  color: var(--accent-primary);
}

/* ===================================
   Interests Section
   =================================== */

.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.interest-card {
  background-color: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition-base);
}

.interest-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.interest-card i {
  font-size: 3rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
}

.interest-card h3 {
  color: var(--text-primary);
  font-size: 1.125rem;
}

/* ===================================
   Resume Page
   =================================== */

.resume-container {
  max-width: 900px;
  margin: 0 auto;
}

.resume-embed {
  background-color: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
}

.resume-embed embed,
.resume-embed iframe {
  width: 100%;
  min-height: 800px;
  border: none;
  border-radius: var(--radius-md);
}

.resume-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===================================
   Certificates Page
   =================================== */

.certificates-filter {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  background-color: var(--card-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-base);
  font-weight: 500;
}

.filter-btn .filter-count {
  display: inline-block;
  min-width: 1.5rem;
  padding: 0.1rem 0.5rem;
  margin-left: 0.5rem;
  border-radius: 999px;
  background: rgba(0, 212, 255, 0.15);
  color: var(--accent-secondary);
  font-size: 0.8rem;
  text-align: center;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-gradient);
  color: white;
  border-color: transparent;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.certificate-card {
  background-color: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  cursor: pointer;
}

.certificate-card:focus-visible {
  outline: 3px solid var(--accent-secondary);
  outline-offset: 3px;
}

.certificate-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-primary);
}

.certificate-image {
  position: relative;
  height: 200px;
  overflow: hidden;
  background-color: var(--bg-tertiary);
}

.certificate-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.certificate-card:hover .certificate-image img {
  transform: scale(1.1);
}

.certificate-content {
  padding: var(--spacing-md);
}

.certificate-title {
  font-size: 1.125rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.certificate-issuer {
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.certificate-date {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Layout tweaks for certificate cards */
.certificate-card {
  display: flex;
  align-items: center;
}

.certificate-content {
  flex: 1;
}

/* Ensure overlay buttons show nicely */
.project-overlay .btn-view {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
}

/* ===================================
   Lightbox
   =================================== */

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  padding: var(--spacing-md);
}

.lightbox.active {
  opacity: 1;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from {
    transform: scale(0.8);
  }
  to {
    transform: scale(1);
  }
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: -3rem;
  right: 0;
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-base);
}

.lightbox-close:hover {
  background-color: var(--error);
  color: white;
  border-color: var(--error);
}

.lightbox-caption {
  text-align: center;
  color: var(--text-primary);
  margin-top: var(--spacing-md);
  font-size: 1.125rem;
}

/* ===================================
   Contact Form
   =================================== */

.contact-container {
  max-width: 800px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.contact-info {
  background-color: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.contact-items-grid {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
  justify-content: center;
  width: 100%;
  overflow-x: visible;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: 0;
  padding: 1.2rem 1.6rem;
  background: linear-gradient(120deg, rgba(10,15,31,0.98) 80%, rgba(0,212,255,0.10) 100%);
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px 0 rgba(0,123,255,0.10), 0 1.5px 8px 0 rgba(0,0,0,0.18);
  border: 2.5px solid transparent;
  transition: box-shadow 0.3s, border-color 0.3s, transform 0.2s;
  flex: 0 1 auto;
  min-width: 220px;
  max-width: 100%;
  width: auto;
}

.contact-item:hover {
  background: linear-gradient(120deg, rgba(10,15,31,0.98) 70%, var(--accent-secondary) 100%);
  box-shadow: 0 8px 40px rgba(0,212,255,0.18), 0 2px 12px rgba(0,123,255,0.10);
  border-color: var(--accent-secondary);
  transform: translateY(-3px) scale(1.04);
}

.contact-item-icon {
  width: 2.8rem;
  height: 2.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-gold) 70%, #fffbe6 100%);
  border-radius: 0.875rem;
  color: #fff;
  font-size: 1.4rem;
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(255,199,0,0.18);
}

.contact-item-content h4 {
  color: var(--text-primary);
  margin-bottom: 0.15rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.contact-item-content {
  margin-left: 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: auto;
  min-width: 0;
}

.contact-item-content p,
.contact-item-content a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-item-content a:hover {
  color: var(--accent-primary);
}

.contact-form-wrapper {
  background: linear-gradient(120deg, rgba(10,15,31,0.98) 80%, rgba(0,123,255,0.08) 100%);
  padding: 2.2rem 2rem 2rem 2rem;
  border-radius: 1.4rem;
  box-shadow: 0 4px 24px 0 rgba(0,123,255,0.10), 0 1.5px 8px 0 rgba(0,0,0,0.18);
  border: 2px solid transparent;
  transition: box-shadow 0.3s, transform 0.2s;
}

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

.form-group label {
  display: block;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.2rem;
  background-color: rgba(10,15,31,0.96);
  border: 2px solid #222a3f;
  border-radius: 1rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1.04rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  box-shadow: 0 1px 6px rgba(0,123,255,0.08);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 4px 18px rgba(0,123,255,0.18);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.input-error {
  border-color: var(--error) !important;
}

.error-message {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.success-message {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.success-message i {
  font-size: 1.25rem;
}

/* ===================================
   Back to Top Button
   =================================== */

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background: var(--accent-gradient);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--shadow-lg);
}

/* ===================================
   Enhanced Services Section
   =================================== */

.header-highlight {
  margin-top: 1rem;
  text-align: center;
}

.highlight-badge {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3); }
  50% { box-shadow: 0 4px 20px rgba(0, 123, 255, 0.5); }
  100% { box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3); }
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.service-card.premium {
  background: var(--card-bg);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  position: relative;
  transition: all var(--transition-base);
  overflow: hidden;
}

.service-card.premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
}

.service-card.premium:hover {
  transform: translateY(-10px);
  border-color: var(--accent-primary);
  box-shadow: 0 20px 40px rgba(0, 123, 255, 0.15);
}

.service-number {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--accent-gradient);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.service-card.premium .service-icon {
  width: 4rem;
  height: 4rem;
  background: var(--accent-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  margin-bottom: 1.5rem;
}

.service-card.premium h3 {
  font-size: 1.375rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-weight: 700;
}

.service-card.premium p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.feature-tag {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--accent-primary);
}

.service-price { display: none; }

.services-cta {
  text-align: center;
  background: var(--card-bg);
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.services-cta .cta-text {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

/* ===================================
   Enhanced Testimonials Section
   =================================== */

.testimonial-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

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

.testi-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1;
}

.testi-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.testimonial-card.featured {
  background: var(--card-bg);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  position: relative;
  transition: var(--transition-base);
}

.testimonial-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
}

.testimonial-card.featured:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: 0 15px 30px rgba(0, 123, 255, 0.15);
}

.testimonial-rating {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.testimonial-rating i {
  color: #ffd700;
  font-size: 1.125rem;
}

.testimonial-text {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.author-avatar {
  width: 3rem;
  height: 3rem;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.author-info h4 {
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.author-role {
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 500;
  display: block;
}

.author-company {
  color: var(--text-secondary);
  font-size: 0.875rem;
  display: block;
}

.testimonial-project {
  display: flex;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.project-type {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.project-value { display: none; }

.testimonials-cta {
  text-align: center;
  background: var(--card-bg);
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.testimonials-cta .cta-text {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-weight: 600;
}


.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

/* ===================================
   Resume Highlights
   =================================== */

.resume-highlights {
  margin-top: var(--spacing-xl);
}

/* Followers / Follow with Google */
.followers-widget {
  margin-top: 0.5rem;
  display: grid;
  gap: 0.5rem;
  max-width: 420px;
  grid-auto-flow: row;
  justify-items: start;
}
.btn-google {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #ffffff10;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-size: 0.95rem;
}
.btn-google i { color: #EA4335; }
.btn-google:hover {
  background: #ffffff14;
  border-color: var(--accent-primary);
}
/* Disabled state: via disabled attribute or ARIA */
.btn-google[disabled],
.btn-google[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(10%);
}
.followers-meta { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; }
.followers-count { font-weight: 600; }
.followers-avatars {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.followers-avatars img {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}
.followers-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

@media (min-width: 1024px) {
  .followers-widget { grid-auto-flow: column; align-items: center; gap: 0.75rem; }
}

/* Follow section layout (separate from hero) */
#follow .followers-widget {
  margin: 1.5rem auto 0;
  justify-items: center;
}
#follow .followers-meta {
  justify-content: center;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.highlight-card {
  background-color: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition-base);
}

.highlight-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.highlight-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  font-size: 2rem;
  color: white;
}

.highlight-card h3 {
  font-size: 1.125rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.highlight-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.highlight-card p strong {
  color: var(--accent-primary);
  font-size: 1rem;
}

/* ===================================
   Key Competencies
   =================================== */

.competencies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.competency-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.competency-item:hover {
  border-color: var(--accent-primary);
  transform: translateX(5px);
}

.competency-item i {
  color: var(--accent-primary);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.competency-item span {
  color: var(--text-primary);
  font-weight: 500;
}

/* ===================================
   Responsive Design Updates
   =================================== */

@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .skills-container {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

/* ===================================
   Enhanced Skills Preview Section
   =================================== */

.skills-intro {
  text-align: center;
  margin-top: 1rem;
}

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

.skills-grid.enhanced {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.skill-category.advanced {
  background: var(--card-bg);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  position: relative;
  transition: all var(--transition-base);
  overflow: hidden;
}

.skill-category.advanced::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
}

.skill-category.advanced:hover {
  transform: translateY(-10px);
  border-color: var(--accent-primary);
  box-shadow: 0 20px 40px rgba(0, 123, 255, 0.15);
}

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

.skill-category.advanced .skill-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--accent-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: white;
}

.skill-level {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.skill-category.advanced h3 {
  font-size: 1.375rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.skill-description {
  color: var(--text-secondary);
  font-size: 0.975rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.skill-category.advanced .skill-tags {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.skill-category.advanced .skill-tag {
  background: var(--bg-tertiary);
  color: var(--text-primary);
.contact-items-grid {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 1.2rem;
  justify-content: flex-start;
  align-items: stretch;
  margin-bottom: 2rem;
  width: 100vw;
  box-sizing: border-box;
  overflow-x: auto;
}
}

.skill-category.advanced .skill-tag:hover {
  border-color: var(--accent-primary);
  transform: translateX(5px);
}

.skill-category.advanced .skill-tag i {
  color: var(--accent-primary);
  margin-right: 0.5rem;
  font-size: 1rem;
}

.skill-category.advanced .skill-tag small {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 400;
}

.skills-achievements {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
  padding: 2rem;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

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

.achievement-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.achievement-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.skills-cta .cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===================================
   Enhanced Footer Section
   =================================== */

.footer {
  background: linear-gradient(135deg, #0a0f1f 0%, #1a1f2e 100%);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section.main {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-brand {
  flex: 1;
}

.brand-name {
  display: block;
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(270deg, #007BFF, #00D4FF, #FFC700, #007BFF);
  background-size: 600% 600%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: gradientMove 3s ease-in-out infinite, fadeInUp 1.2s cubic-bezier(.77,0,.18,1) 0.2s both;
  text-shadow: 0 2px 12px rgba(0,123,255,0.10);
}
/* Animated gradient text for name */
.gradient-animate {
  background: linear-gradient(270deg, #007BFF, #00D4FF, #FFC700, #007BFF);
  background-size: 600% 600%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: gradientMove 3s ease-in-out infinite, fadeInUp 1.2s cubic-bezier(.77,0,.18,1) both;
}

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

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand-tagline {
  display: block;
  font-size: 1rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-top: 0.25rem;
}

.footer-text {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 1rem 0;
  max-width: 400px;
}

.footer-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.footer-highlights .highlight-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-highlights .highlight-item i {
  color: var(--accent-primary);
  font-size: 1rem;
}

.footer-social h4 {
  color: var(--text-primary);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
  text-align: left;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.social-links a {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: var(--transition-base);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  min-width: 180px;
  text-decoration: none;
  border: 1px solid transparent;
}

.social-links a:hover {
  color: var(--accent-primary);
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
  transform: translateX(5px);
}

.social-links a i {
  width: 1.5rem;
  height: 1.5rem;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.footer-heading {
  color: var(--text-primary);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: var(--transition-base);
}

.footer-links a:hover {
  color: var(--accent-primary);
  padding-left: 0.5rem;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.footer-contact i {
  color: var(--accent-primary);
  font-size: 1.125rem;
  margin-top: 0.125rem;
  width: 1.25rem;
}

.footer-contact div {
  flex: 1;
}

.footer-contact a,
.footer-contact span {
  color: var(--text-secondary);
  font-size: 0.875rem;
  display: block;
  line-height: 1.4;
}

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

.footer-contact small {
  color: var(--text-muted);
  font-size: 0.75rem;
  display: block;
  margin-top: 0.25rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.copyright p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.footer-stats {
  display: flex;
  gap: 2rem;
}

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

.footer-stats .stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  line-height: 1;
}

.footer-stats .stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.footer-cta {
  text-align: center;
  padding: 2rem;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.footer-cta p {
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .footer-stats {
    justify-content: center;
  }
}
 

@media (max-width: 768px) {
  .page-header {
    padding: 6rem 0 3rem;
  }
  
  .about-info {
    grid-template-columns: 1fr;
  }
  
  .about-buttons {
    flex-direction: column;
  }
  
  .timeline {
    padding-left: 1.5rem;
  }
  
  .timeline-marker {
    left: -2rem;
  }
  
  .certificates-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .resume-embed embed,
  .resume-embed iframe {
    min-height: 600px;
  }
}

@media (max-width: 480px) {
  .certificates-grid {
    grid-template-columns: 1fr;
  }
  
  .interests-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
  }
}

/* ===================================
   Certificate Lightbox Styles
   =================================== */

.certificate-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.certificate-lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  position: relative;
  width: 90%;
  height: 90%;
  max-width: 1200px;
  max-height: 90vh;
  animation: zoomIn 0.3s ease;
}

.lightbox-iframe {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.lightbox-close {
  position: absolute;
  top: -3rem;
  right: 0;
  width: 3rem;
  height: 3rem;
  background-color: var(--card-bg);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  cursor: pointer;
  transition: var(--transition-base);
  z-index: 10001;
}

.lightbox-close:hover {
  background-color: var(--error);
  color: white;
  border-color: var(--error);
  transform: scale(1.1);
}

@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .lightbox-content {
    width: 95%;
    height: 85%;
  }
  
  .lightbox-close {
    top: -2.5rem;
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.5rem;
  }
}

/* ===================================
   Project Page Styles
   =================================== */

.hero-alt {
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
  padding: 120px 0 80px;
}

.project-hero {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.breadcrumb {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--accent-primary);
  text-decoration: none;
}

.project-hero .project-title {
  font-size: 3rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.project-description {
  font-size: 1.1rem;
  color: var(--text-primary) !important;
  line-height: 1.6;
  margin-bottom: 1rem;
  font-weight: 400;
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  min-height: 48px;
}

.project-meta {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tech-tag {
  background: rgba(0, 191, 255, 0.1);
  color: var(--accent-primary);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid rgba(0, 191, 255, 0.2);
}

/* Project detail page content (not project cards) */
.project-hero + .section .project-content,
.project-detail .project-content {
.contact-item {
  background: rgba(10, 15, 31, 0.85);
  border-radius: 1.2rem;
  box-shadow: 0 2px 16px 0 rgba(0, 123, 255, 0.08);
  padding: 1rem 1.1rem;
  display: flex;
  align-items: center;
  width: fit-content;
  min-width: 0;
  flex: 0 1 auto;
  transition: box-shadow 0.2s;
  margin-bottom: 0;
}
.project-stats h3 {
  color: white;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.project-links {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.project-links .btn {
  width: 100%;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.project-links .btn:last-child {
  margin-bottom: 0;
}

.project-stats {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.stat-item:last-child {
  border-bottom: none;
}

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

.stat-value {
  color: white;
  font-weight: 500;
}

.project-section {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.project-section h2 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
}

.feature-list li::before {
  content: "✓";
  color: var(--accent-primary);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.file-structure {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  padding: 0.5rem 0;
}

.file-item i {
  color: var(--accent-primary);
  width: 20px;
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.insight-card {
  background: rgba(0, 191, 255, 0.05);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 191, 255, 0.1);
}

.insight-card h4 {
  color: var(--accent-primary);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.insight-card p {
  color: var(--text-secondary);
  line-height: 1.5;
}

.tech-stack {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.tech-badge {
  background: var(--accent-gradient);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
}

.back-to-projects {
  text-align: center;
}

@media (max-width: 768px) {
  .project-hero + .section .project-content,
  .project-detail .project-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .project-title {
    font-size: 2rem;
  }
  
  .project-meta {
    justify-content: flex-start;
  }
  
  .insights-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================================
   Document Viewer Modal Styles
   =================================== */
.document-viewer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: none !important;
  align-items: center;
  justify-content: center;
}

.document-viewer.active {
  display: flex !important;
}

.document-viewer-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  animation: fadeIn 0.3s ease;
}

.document-viewer-container {
  position: relative;
  width: 95%;
  max-width: 1400px;
  height: 90vh;
  background: var(--bg-secondary);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: translateY(-50px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.document-viewer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(135deg, rgba(0, 123, 255, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
}

.document-viewer-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.document-viewer-title::before {
  content: '\f1c1';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--accent-primary);
  font-size: 1.25rem;
}

.document-viewer-close {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  font-size: 1.25rem;
}

.document-viewer-close:hover {
  background: var(--error);
  border-color: var(--error);
  color: white;
  transform: rotate(90deg);
}

.document-viewer-content {
  flex: 1;
  overflow: hidden;
  padding: 1rem;
  background: var(--bg-primary);
}

.document-viewer-iframe {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  background: white;
}

.document-viewer-footer {
  display: flex;
  gap: 1rem;
  padding: 1.5rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(135deg, rgba(0, 123, 255, 0.05) 0%, rgba(0, 212, 255, 0.02) 100%);
}

.document-viewer-download,
.document-viewer-open {
  flex: 1;
  padding: 0.875rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  font-size: 1rem;
}

.document-viewer-download {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border: none;
}

.document-viewer-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 123, 255, 0.4);
}

.document-viewer-open {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.document-viewer-open:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Responsive adjustments for document viewer */
@media (max-width: 768px) {
  .document-viewer-container {
    width: 98%;
    height: 95vh;
    border-radius: 12px;
  }
  
  .document-viewer-header {
    padding: 1rem 1.25rem;
  }
  
  .document-viewer-title {
    font-size: 1.125rem;
  }
  
  .document-viewer-close {
    width: 40px;
    height: 40px;
  }
  
  .document-viewer-footer {
    flex-direction: column;
    padding: 1rem 1.25rem;
  }
  
  .document-viewer-download,
  .document-viewer-open {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .document-viewer-title {
    font-size: 1rem;
  }
  
  .document-viewer-close {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
}