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

:root {
  --primary-color: #2563eb;
  --secondary-color: #7c3aed;
  --accent-color: #10b981;
  --dark-bg: #0f172a;
  --light-bg: #f8fafc;
  --text-dark: #1e293b;
  --text-light: #64748b;
  --white: #ffffff;
  --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
  --light-bg: #1e293b;
  --white: #0f172a;
  --text-dark: #f1f5f9;
  --text-light: #cbd5e1;
  --dark-bg: #020617;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.8);
}

/* Smooth transitions for theme switching */
body,
.navbar,
.skill-category,
.project-card,
.achievement-card,
.education-content,
.stat-card,
.contact-method {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text-dark);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Ensure images are responsive */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

/* ----- Navigation Bar ----- */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--white);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all 0.3s ease;
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.95);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.8rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.8rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-text {
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="dark"] .logo-text {
  background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-logo:hover {
  transform: scale(1.05);
}

.nav-logo:hover .logo-icon {
  animation: bounce 0.6s ease;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.2rem;
  margin: 0;
  flex: 1;
  justify-content: center;
  align-items: center;
}

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.85rem;
  position: relative;
  transition: color 0.3s ease;
  white-space: nowrap;
}

[data-theme="dark"] .nav-link {
  color: #e2e8f0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

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

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger .bar {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  margin: 3px 0;
  transition: 0.3s;
}

[data-theme="dark"] .hamburger .bar {
  background: #e2e8f0;
}

.theme-toggle {
  background: transparent;
  border: 2px solid var(--text-dark);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: auto;
  flex-shrink: 0;
  position: relative;
  z-index: 1001;
}

[data-theme="dark"] .theme-toggle {
  border-color: #e2e8f0;
}

.theme-toggle:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  transform: rotate(20deg);
}

.theme-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

/* ----- Hero Section ----- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 100px 0 50px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .hero {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,133.3C960,128,1056,96,1152,90.7C1248,85,1344,107,1392,117.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
  background-size: cover;
  opacity: 0.5;
}

.hero .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
  color: var(--white);
  animation: fadeInLeft 1s ease;
  max-width: 600px;
  padding-left: 2rem;
}

[data-theme="dark"] .hero-content {
  color: #f1f5f9;
}

.hero-greeting {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  opacity: 0.9;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.highlight {
  background: linear-gradient(45deg, #ffd700, #ffed4e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.8;
  animation: bounce 2s infinite;
}

.scroll-indicator svg {
  width: 30px;
  height: 30px;
  color: var(--white);
}

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

.btn {
  padding: 0.875rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
  text-align: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  font-weight: 500;
}

[data-theme="dark"] .btn-secondary {
  background: rgba(37, 99, 235, 0.2);
  border: 2px solid rgba(37, 99, 235, 0.9);
  color: var(--white);
  font-weight: 600;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
}

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

[data-theme="dark"] .btn-secondary:hover {
  background: rgba(37, 99, 235, 0.4);
  border: 2px solid rgba(37, 99, 235, 1);
  color: var(--white);
  box-shadow: 0 0 30px rgba(37, 99, 235, 0.6);
}

.btn-download {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: var(--white);
  border: 2px solid transparent;
  box-shadow: var(--shadow-lg);
}

.btn-download:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(135deg, #f5576c 0%, #f093fb 100%);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1.1rem;
}

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

.social-icon {
  color: var(--white);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .social-icon {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.social-icon:hover {
  transform: translateY(-5px) scale(1.1);
  background: rgba(255, 255, 255, 0.3);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .social-icon:hover {
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.4);
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  animation: fadeInRight 1s ease;
  min-width: 0; /* Prevent flex overflow */
}

.hero-image-wrapper {
  position: relative;
  max-width: 100%;
}

.profile-pic-hero {
  width: 400px;
  height: 400px;
  max-width: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 10px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-xl);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ----- Section Styles ----- */
section {
  padding: 80px 0;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

section:nth-child(1) { animation-delay: 0s; }
section:nth-child(2) { animation-delay: 0.1s; }
section:nth-child(3) { animation-delay: 0.2s; }
section:nth-child(4) { animation-delay: 0.3s; }
section:nth-child(5) { animation-delay: 0.4s; }
section:nth-child(6) { animation-delay: 0.5s; }
section:nth-child(7) { animation-delay: 0.6s; }

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-dark);
  position: relative;
}

[data-theme="dark"] .section-title {
  color: #f1f5f9;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient-1);
  margin: 1rem auto 0;
  border-radius: 2px;
}

.section-title-alt {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--white);
}

[data-theme="dark"] .section-title-alt {
  color: #f1f5f9;
}

/* ----- About Section ----- */
.about-section {
  background: var(--light-bg);
}

[data-theme="dark"] .about-section {
  background: #0f172a;
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-text {
  text-align: center;
}

.about-intro {
  font-size: 1.2rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

[data-theme="dark"] .about-intro {
  color: #f1f5f9;
}

.about-details {
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 3rem;
  line-height: 1.8;
}

[data-theme="dark"] .about-details {
  color: #cbd5e1;
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.stat-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

[data-theme="dark"] .stat-card {
  background: #1e293b;
  border: 1px solid #334155;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

[data-theme="dark"] .stat-number {
  color: #60a5fa;
}

.stat-label {
  font-size: 1rem;
  color: var(--text-light);
}

[data-theme="dark"] .stat-label {
  color: #cbd5e1;
}

/* ----- Skills Section ----- */
.skills-section {
  background: var(--white);
}

[data-theme="dark"] .skills-section {
  background: #020617;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
}

.skill-category {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
}

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

[data-theme="dark"] .skill-category {
  background: #1e293b;
  border-color: #334155;
}

.category-icon {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 1rem;
}

.category-title {
  font-size: 1.4rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

[data-theme="dark"] .category-title {
  color: #f1f5f9;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skill-item {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--light-bg);
  border-radius: 10px;
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
}

[data-theme="dark"] .skill-item {
  background: #0f172a;
  border-color: #334155;
}

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

[data-theme="dark"] .skill-item:hover {
  border-color: #60a5fa;
}

.skill-name {
  font-weight: 500;
  color: var(--text-dark);
  font-size: 0.95rem;
}

[data-theme="dark"] .skill-name {
  color: #f1f5f9;
}

.skill-level {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  font-size: 0;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.skill-level.expert {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.skill-level.advanced {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.skill-level.intermediate {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.skill-level.beginner {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

/* ----- Projects Section ----- */
.projects-section {
  background: var(--light-bg);
}

[data-theme="dark"] .projects-section {
  background: #0f172a;
}

.project-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--primary-color);
  background: transparent;
  color: var(--primary-color);
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

[data-theme="dark"] .filter-btn {
  border-color: #60a5fa;
  color: #60a5fa;
}

[data-theme="dark"] .filter-btn:hover,
[data-theme="dark"] .filter-btn.active {
  background: #60a5fa;
  color: var(--dark-bg);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2.5rem;
}

.project-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .project-card {
  background: #1e293b;
  border: 1px solid #334155;
}

.project-image {
  position: relative;
  overflow: hidden;
  height: 240px;
  background: var(--light-bg);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
  padding: 1rem;
}

[data-theme="dark"] .project-image {
  background: #0f172a;
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(37, 99, 235, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.project-link {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  padding: 0.75rem 2rem;
  border: 2px solid var(--white);
  border-radius: 50px;
  transition: all 0.3s ease;
}

.project-link:hover {
  background: var(--white);
  color: var(--primary-color);
}

.project-content {
  padding: 1.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  background: #e0e7ff;
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

[data-theme="dark"] .tag {
  background: #1e3a8a;
  color: #93c5fd;
}

.project-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

[data-theme="dark"] .project-title {
  color: #f1f5f9;
}

.project-subtitle {
  font-size: 0.95rem;
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 0.75rem;
  font-style: italic;
}

[data-theme="dark"] .project-subtitle {
  color: #60a5fa;
}

.project-description {
  color: var(--text-light);
  margin-bottom: 1rem;
  line-height: 1.6;
  font-size: 0.95rem;
}

[data-theme="dark"] .project-description {
  color: #cbd5e1;
}

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

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

[data-theme="dark"] .project-date {
  color: #94a3b8;
}

.achievement-badge {
  background: #fef3c7;
  color: #92400e;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

[data-theme="dark"] .achievement-badge {
  background: #854d0e;
  color: #fef3c7;
}

/* ----- Experience Section ----- */
.experience-section {
  background: var(--white);
  padding: 5rem 0;
}

[data-theme="dark"] .experience-section {
  background: #0f172a;
}

.experience-timeline {
  max-width: 900px;
  margin: 0 auto;
}

.experience-item {
  background: var(--white);
  padding: 0;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
  transition: all 0.3s ease;
  overflow: hidden;
  border: 1px solid #e2e8f0;
}

[data-theme="dark"] .experience-item {
  background: #1e293b;
  border-color: #334155;
}

.experience-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.experience-header {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  background: var(--light-bg);
  align-items: center;
  border-bottom: 1px solid #e2e8f0;
}

[data-theme="dark"] .experience-header {
  background: #0f172a;
  border-bottom-color: #334155;
}

.experience-company-logo {
  flex-shrink: 0;
}

.experience-company-logo a {
  display: block;
  width: 125px;
  height: 125px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--white);
  padding: 0.8rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease;
}

[data-theme="dark"] .experience-company-logo a {
  background: #1e293b;
}

.experience-company-logo a:hover {
  transform: scale(1.05);
}

.experience-company-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.experience-details {
  flex: 1;
}

.experience-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.3rem;
}

[data-theme="dark"] .experience-title {
  color: #f1f5f9;
}

.experience-company {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}

.experience-company a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

[data-theme="dark"] .experience-company a {
  color: #60a5fa;
}

.experience-company a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

[data-theme="dark"] .experience-company a:hover {
  color: #a78bfa;
}

.experience-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.experience-duration,
.experience-location {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

[data-theme="dark"] .experience-duration,
[data-theme="dark"] .experience-location {
  color: #cbd5e1;
}

.experience-description {
  padding: 2rem;
}

.experience-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.experience-highlights li {
  position: relative;
  padding-left: 2rem;
  color: var(--text-light);
  line-height: 1.7;
  font-size: 0.95rem;
}

[data-theme="dark"] .experience-highlights li {
  color: #cbd5e1;
}

.experience-highlights li::before {
  content: '•';
  position: absolute;
  left: 0.5rem;
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 1;
}

[data-theme="dark"] .experience-highlights li::before {
  color: #60a5fa;
}

/* Responsive Design for Experience */
@media (max-width: 768px) {
  .experience-header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    align-items: center;
  }

  .experience-company-logo a {
    width: 70px;
    height: 70px;
  }

  .experience-description {
    padding: 1.5rem;
  }

  .experience-title {
    font-size: 1.2rem;
  }

  .experience-company {
    font-size: 1rem;
  }

  .experience-meta {
    justify-content: center;
    gap: 1rem;
  }

  .experience-highlights li {
    font-size: 0.9rem;
  }
}

/* ----- Achievements Section ----- */
.achievements-section {
  background: var(--white);
}

[data-theme="dark"] .achievements-section {
  background: #020617;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 3rem;
}

.achievement-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid #e2e8f0;
  position: relative;
}

.achievement-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.achievement-card:hover::after {
  transform: scaleX(1);
}

.achievement-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .achievement-card {
  background: #1e293b;
  border-color: #334155;
}

.achievement-image {
  height: 280px;
  overflow: hidden;
  background: var(--light-bg);
}

.achievement-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
  padding: 1rem;
}

[data-theme="dark"] .achievement-image {
  background: #0f172a;
}

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

.achievement-content {
  padding: 2rem;
  position: relative;
}

.achievement-badge-top {
  display: inline-block;
  background: var(--gradient-1);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.achievement-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: var(--text-dark);
}

[data-theme="dark"] .achievement-title {
  color: #f1f5f9;
}

.achievement-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.8rem;
  background: var(--light-bg);
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
}

[data-theme="dark"] .achievement-meta {
  background: #0f172a;
  border-left-color: #60a5fa;
}

.achievement-org {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-color);
}

[data-theme="dark"] .achievement-org {
  color: #60a5fa;
}

.achievement-date {
  font-size: 0.85rem;
  color: var(--text-light);
}

[data-theme="dark"] .achievement-date {
  color: #cbd5e1;
}

.achievement-description {
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

[data-theme="dark"] .achievement-description {
  color: #cbd5e1;
}

.achievement-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
}

[data-theme="dark"] .achievement-link {
  color: #60a5fa;
}

.achievement-link:hover {
  transform: translateX(5px);
}

/* ----- Education Section ----- */
.education-section {
  background: var(--light-bg);
}

[data-theme="dark"] .education-section {
  background: #0f172a;
}

.education-timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding-left: 50px;
}

.education-timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary-color);
}

[data-theme="dark"] .education-timeline::before {
  background: #60a5fa;
}

.education-item {
  position: relative;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
}

.education-item::before {
  content: '';
  position: absolute;
  left: -38px;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-color);
  border: 4px solid var(--white);
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .education-item::before {
  background: #60a5fa;
  border-color: #0f172a;
}

.education-date {
  display: inline-block;
  background: var(--gradient-1);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.education-content {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .education-content {
  background: #1e293b;
  border: 1px solid #334155;
}

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

.education-emblem {
  flex-shrink: 0;
}

.education-emblem img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: 8px;
  padding: 0.3rem;
  background: var(--light-bg);
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}

/* Make university emblem slightly smaller */
.education-item:first-child .education-emblem img {
  width: 120px;
  height: 120px;
}

[data-theme="dark"] .education-emblem img {
  background: #0f172a;
  border-color: #334155;
}

.education-details {
  flex: 1;
  min-width: 0;
}

.education-degree {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

[data-theme="dark"] .education-degree {
  color: #f1f5f9;
}

.education-institution {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 500;
}

[data-theme="dark"] .education-institution {
  color: #60a5fa;
}

.education-description {
  color: var(--text-light);
  line-height: 1.7;
}

[data-theme="dark"] .education-description {
  color: #cbd5e1;
}

.education-results {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.result-item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid #e2e8f0;
}

.result-subject {
  color: var(--text-light);
  font-weight: 500;
}

[data-theme="dark"] .result-subject {
  color: #cbd5e1;
}

.result-grade {
  color: var(--primary-color);
  font-weight: 600;
}

[data-theme="dark"] .result-grade {
  color: #60a5fa;
}

.result-highlight {
  display: flex;
  justify-content: space-between;
  padding: 1rem;
  background: #f0f9ff;
  border-radius: 10px;
  margin-top: 0.5rem;
}

[data-theme="dark"] .result-highlight {
  background: #1e3a8a;
}

[data-theme="dark"] .result-item {
  border-bottom-color: #334155;
}

.result-highlight .result-subject {
  color: var(--text-dark);
  font-weight: 600;
}

[data-theme="dark"] .result-highlight .result-subject {
  color: #f1f5f9;
}

.result-highlight .result-grade {
  font-size: 1.2rem;
  font-weight: 700;
}

[data-theme="dark"] .result-highlight .result-grade {
  color: #60a5fa;
}

/* ----- Publications Section ----- */
.publications-section {
  background: var(--white);
  padding: 5rem 0;
}

[data-theme="dark"] .publications-section {
  background: #0f172a;
}

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

.publication-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

[data-theme="dark"] .publication-card {
  background: #1e293b;
  border-color: #334155;
}

.publication-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.publication-image-link {
  display: block;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.publication-image-link::before {
  content: '📄 View Paper';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(37, 99, 235, 0.95);
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
  white-space: nowrap;
}

.publication-image-link::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.publication-image-link:hover::before,
.publication-image-link:hover::after {
  opacity: 1;
}

.publication-image-link:hover .publication-image img {
  transform: scale(1.08) rotate(1deg);
}

.publication-image {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
  background: #f8fafc;
  flex-shrink: 0;
}

[data-theme="dark"] .publication-image {
  background: #0f172a;
}

.publication-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.3s ease;
  padding: 1rem;
  background: #fff;
}

[data-theme="dark"] .publication-image img {
  background: #1e293b;
}

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

.publication-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(37, 99, 235, 0.95);
  color: var(--white);
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: transform 0.3s ease;
  z-index: 3;
  pointer-events: none;
}

[data-theme="dark"] .publication-badge {
  background: rgba(96, 165, 250, 0.95);
  color: #0f172a;
}

.publication-image-link:hover .publication-badge {
  transform: scale(1.1);
}

.publication-content {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.publication-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

[data-theme="dark"] .publication-title {
  color: #f1f5f9;
}

.publication-authors {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 0.8rem;
  line-height: 1.5;
}

[data-theme="dark"] .publication-authors {
  color: #cbd5e1;
}

.publication-authors strong {
  color: var(--primary-color);
  font-weight: 600;
}

[data-theme="dark"] .publication-authors strong {
  color: #60a5fa;
}

.publication-venue {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
  padding: 1rem;
  background: var(--light-bg);
  border-radius: 10px;
  border-left: 4px solid var(--primary-color);
}

[data-theme="dark"] .publication-venue {
  background: #0f172a;
  border-left-color: #60a5fa;
}

.venue-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.4;
}

[data-theme="dark"] .venue-item {
  color: #cbd5e1;
}

.venue-item svg {
  flex-shrink: 0;
  color: var(--primary-color);
  width: 14px;
  height: 14px;
}

[data-theme="dark"] .venue-item svg {
  color: #60a5fa;
}

.publication-abstract-container {
  max-height: 110px;
  overflow-y: auto;
  margin-bottom: 1.2rem;
  padding-right: 0.8rem;
  flex-grow: 1;
  position: relative;
}

.abstract-heading {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

[data-theme="dark"] .abstract-heading {
  color: #f1f5f9;
}

.publication-abstract-container::after {
  content: '';
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0.9) 50%, rgba(255,255,255,1));
  pointer-events: none;
  display: block;
}

[data-theme="dark"] .publication-abstract-container::after {
  background: linear-gradient(to bottom, rgba(30,41,59,0), rgba(30,41,59,0.9) 50%, rgba(30,41,59,1));
}

.publication-abstract-container::-webkit-scrollbar {
  width: 5px;
}

.publication-abstract-container::-webkit-scrollbar-track {
  background: var(--light-bg);
  border-radius: 10px;
}

[data-theme="dark"] .publication-abstract-container::-webkit-scrollbar-track {
  background: #0f172a;
}

.publication-abstract-container::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 10px;
}

[data-theme="dark"] .publication-abstract-container::-webkit-scrollbar-thumb {
  background: #60a5fa;
}

.publication-abstract-container::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
}

.publication-abstract {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-light);
  text-align: justify;
}

[data-theme="dark"] .publication-abstract {
  color: #cbd5e1;
}

.publication-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}

.publication-tags .tag {
  background: var(--light-bg);
  color: var(--primary-color);
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
}

[data-theme="dark"] .publication-tags .tag {
  background: #0f172a;
  color: #60a5fa;
  border: 1px solid #334155;
}

.publication-tags .tag:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

[data-theme="dark"] .publication-tags .tag:hover {
  background: #60a5fa;
  color: #0f172a;
}

.publication-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: auto;
}

.btn-publication {
  width: 100%;
  padding: 0.8rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  border: none;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
  transition: all 0.3s ease;
}

.btn-publication:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

[data-theme="dark"] .btn-publication {
  box-shadow: 0 4px 15px rgba(96, 165, 250, 0.3);
}

[data-theme="dark"] .btn-publication:hover {
  box-shadow: 0 6px 20px rgba(96, 165, 250, 0.4);
}

.btn-publication svg {
  width: 18px;
  height: 18px;
}

.btn-sm {
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex: 1;
  justify-content: center;
  min-width: fit-content;
}

.btn-sm svg {
  width: 14px;
  height: 14px;
}

/* Responsive Design for Publications */
@media (max-width: 968px) {
  .publications-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

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

  .publication-image {
    height: 200px;
  }

  .publication-content {
    padding: 1.2rem;
  }

  .publication-title {
    font-size: 1rem;
  }

  .publication-actions {
    flex-direction: column;
  }

  .publication-actions .btn-sm {
    width: 100%;
  }
}

/* ----- Certifications Section ----- */
.certifications-section {
  background: var(--light-bg);
  padding: 5rem 0;
}

[data-theme="dark"] .certifications-section {
  background: #0f172a;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
}

.certification-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid #e2e8f0;
  position: relative;
}

.certification-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.certification-card:hover::after {
  transform: scaleX(1);
}

.certification-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .certification-card {
  background: #1e293b;
  border-color: #334155;
}

.certification-image {
  height: 240px;
  overflow: hidden;
  background: var(--light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.certification-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

[data-theme="dark"] .certification-image {
  background: #0f172a;
}

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

.certification-content {
  padding: 2rem;
  position: relative;
}

.certification-badge-top {
  display: inline-block;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: var(--white);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.certification-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
  line-height: 1.4;
}

[data-theme="dark"] .certification-title {
  color: #f1f5f9;
}

.certification-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--light-bg);
  border-radius: 10px;
  border-left: 4px solid var(--primary-color);
}

[data-theme="dark"] .certification-meta {
  background: #0f172a;
  border-left-color: #60a5fa;
}

.certification-org {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin: 0;
}

[data-theme="dark"] .certification-org {
  color: #60a5fa;
}

.certification-date {
  font-size: 0.9rem;
  color: var(--text-light);
  margin: 0;
}

[data-theme="dark"] .certification-date {
  color: #cbd5e1;
}

.certification-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

[data-theme="dark"] .certification-link {
  color: #60a5fa;
}

.certification-link:hover {
  transform: translateX(5px);
  text-decoration: underline;
}

/* Responsive Design for Certifications */
@media (max-width: 968px) {
  .certifications-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

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

  .certification-image {
    height: 200px;
    padding: 1rem;
  }

  .certification-content {
    padding: 1.5rem;
  }

  .certification-title {
    font-size: 1.2rem;
  }
}

/* ----- Volunteer Experience Section ----- */
.volunteer-section {
  background: var(--white);
  padding: 5rem 0;
}

[data-theme="dark"] .volunteer-section {
  background: #020617;
}

.volunteer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.volunteer-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
  position: relative;
  overflow: hidden;
}

.volunteer-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-1);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.volunteer-card:hover::before {
  transform: scaleY(1);
}

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

[data-theme="dark"] .volunteer-card {
  background: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .volunteer-card:hover {
  border-color: #60a5fa;
}

.volunteer-header {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.volunteer-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light-bg);
  border-radius: 12px;
  transition: all 0.3s ease;
}

[data-theme="dark"] .volunteer-icon {
  background: #0f172a;
}

.volunteer-card:hover .volunteer-icon {
  transform: scale(1.1) rotate(5deg);
}

.volunteer-details {
  flex: 1;
  min-width: 0;
}

.volunteer-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

[data-theme="dark"] .volunteer-title {
  color: #f1f5f9;
}

.volunteer-org {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
  font-weight: 500;
  line-height: 1.5;
}

[data-theme="dark"] .volunteer-org {
  color: #cbd5e1;
}

.volunteer-date {
  font-size: 0.85rem;
  color: var(--primary-color);
  font-weight: 600;
  display: inline-block;
  padding: 0.35rem 0.8rem;
  background: var(--light-bg);
  border-radius: 20px;
}

[data-theme="dark"] .volunteer-date {
  color: #60a5fa;
  background: #0f172a;
}

/* Responsive Design for Volunteer */
@media (max-width: 968px) {
  .volunteer-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

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

  .volunteer-card {
    padding: 1.5rem;
  }

  .volunteer-header {
    gap: 1rem;
  }

  .volunteer-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
  }

  .volunteer-title {
    font-size: 1.1rem;
  }

  .volunteer-org {
    font-size: 0.9rem;
  }
}

/* ----- Contact Section ----- */
.contact-section {
  background: var(--gradient-1);
  color: var(--white);
  padding-top: 6rem;
}

[data-theme="dark"] .contact-section {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #f1f5f9;
}

.contact-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding-top: 1rem;
}

.contact-description {
  font-size: 1.1rem;
  margin-bottom: 3rem;
  opacity: 0.95;
  line-height: 1.8;
}

[data-theme="dark"] .contact-description {
  color: #f1f5f9;
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
  text-align: left;
}

.contact-method {
  background: rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 15px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.contact-method:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-5px);
}

[data-theme="dark"] .contact-method {
  background: rgba(30, 41, 59, 0.5);
}

.contact-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact-method h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

[data-theme="dark"] .contact-method h4 {
  color: #f1f5f9;
}

.contact-method a {
  color: var(--white);
  text-decoration: none;
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

[data-theme="dark"] .contact-method a {
  color: #e2e8f0;
}

.contact-method a:hover {
  opacity: 1;
  text-decoration: underline;
}

.contact-cta {
  margin-top: 2rem;
}

/* ----- Footer ----- */
.footer {
  background: var(--dark-bg);
  color: var(--white);
  padding: 2rem 0;
  text-align: center;
}

[data-theme="dark"] .footer {
  background: #020617;
  color: #e2e8f0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-text {
  font-size: 1rem;
  opacity: 0.9;
}

[data-theme="dark"] .footer-text {
  color: #e2e8f0;
}

.copyright {
  font-size: 0.9rem;
  opacity: 0.7;
}

[data-theme="dark"] .copyright {
  color: #94a3b8;
}

/* ----- Responsive Design ----- */

/* Loading Bar */
.loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  animation: loadingBar 2s ease-in-out forwards;
  z-index: 9999;
}

@keyframes loadingBar {
  0% { transform: scaleX(0); }
  50% { transform: scaleX(0.7); }
  100% { transform: scaleX(1); opacity: 0; }
}

/* Ripple Effect */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: scale(0);
  animation: ripple-animation 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ----- Responsive Design ----- */

/* Large Tablets and Small Desktops */
@media (max-width: 1024px) {
  .container {
    padding: 0 30px;
  }

  .nav-container {
    padding: 1rem 1.5rem;
  }

  .hero-title {
    font-size: 3rem;
  }

  .profile-pic-hero {
    width: 350px;
    height: 350px;
  }

  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }

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

/* Tablets */
@media (max-width: 968px) {
  .hero .container {
    flex-direction: column-reverse;
    text-align: center;
    gap: 2rem;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.3rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-cta {
    justify-content: center;
    flex-wrap: wrap;
  }

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

  .profile-pic-hero {
    width: 280px;
    height: 280px;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .about-intro {
    font-size: 1.1rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .project-filters {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .filter-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }

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

  .education-timeline {
    padding-left: 40px;
  }

  .contact-methods {
    grid-template-columns: 1fr;
  }
}

/* Mobile Devices */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  /* Navigation */
  .nav-container {
    padding: 1rem;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
    gap: 0.5rem;
    z-index: 999;
  }

  [data-theme="dark"] .nav-menu {
    background: rgba(15, 23, 42, 0.98);
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger {
    display: flex;
  }

  .theme-toggle {
    margin-right: 1rem;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  /* Hero Section */
  .hero {
    padding: 100px 0 40px;
  }

  .hero-title {
    font-size: 2rem;
    line-height: 1.3;
  }

  .hero-greeting {
    font-size: 1rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-description {
    font-size: 0.95rem;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }

  .profile-pic-hero {
    width: 220px;
    height: 220px;
  }

  /* Sections */
  section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
  }

  .section-title::after {
    width: 60px;
    height: 3px;
  }

  /* About Section */
  .about-intro {
    font-size: 1rem;
  }

  .about-details {
    font-size: 0.95rem;
  }

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

  .stat-card {
    padding: 1.5rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  /* Skills Section */
  .skill-category {
    padding: 2rem 1.5rem;
  }

  .category-icon {
    font-size: 2.5rem;
  }

  .category-title {
    font-size: 1.2rem;
  }

  /* Projects Section */
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-image {
    height: 200px;
  }

  .project-content {
    padding: 1.25rem;
  }

  .project-title {
    font-size: 1.2rem;
  }

  .project-description {
    font-size: 0.9rem;
  }

  /* Achievements Section */
  .achievement-image {
    height: 220px;
  }

  .achievement-content {
    padding: 1.5rem;
  }

  .achievement-title {
    font-size: 1.3rem;
  }

  /* Education Section */
  .education-timeline {
    padding-left: 25px;
  }

  .education-timeline::before {
    left: 15px;
  }

  .education-item::before {
    left: -33px;
    width: 14px;
    height: 14px;
  }

  .education-content {
    padding: 1.5rem;
  }

  .education-emblem img {
    width: 50px;
    height: 50px;
  }

  /* University emblem smaller on mobile */
  .education-item:first-child .education-emblem img {
    width: 45px;
    height: 45px;
  }

  .education-degree {
    font-size: 1.1rem;
  }

  .education-institution {
    font-size: 1rem;
  }

  /* Contact Section */
  .section-title-alt {
    font-size: 2rem;
  }

  .contact-description {
    font-size: 1rem;
  }

  .contact-methods {
    grid-template-columns: 1fr;
  }

  /* Buttons */
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

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

/* Small Mobile Devices */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .profile-pic-hero {
    width: 180px;
    height: 180px;
    border: 6px solid rgba(255, 255, 255, 0.2);
  }

  .section-title {
    font-size: 1.5rem;
  }

  .skill-category {
    padding: 1.5rem 1rem;
  }

  .project-card,
  .achievement-card {
    border-radius: 15px;
  }

  .achievement-image {
    height: 180px;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }

  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }

  .contact-method {
    padding: 1.25rem;
  }
}

/* Fix for very small screens */
@media (max-width: 360px) {
  .container {
    padding: 0 15px;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .nav-logo {
    font-size: 1.25rem;
  }

  .stat-number {
    font-size: 1.75rem;
  }
}