:root {
  /* Earthy color palette */
  --primary-color: #4A6741;
  --secondary-color: #8C765A;
  --accent-color: #E09F3E;
  --background-light: #F9F5F0;
  --text-light: #2A2922;
  --background-dark: #1A1A1A;
  --text-dark: #F0EBE5;
  --card-light: rgba(255, 255, 255, 0.8);
  --card-dark: rgba(42, 41, 34, 0.7);
  --dark-green: #273B2D;
  --light-green: #8BA888;
  --cream: #F2E8DC;
  --brown: #5C4934;
  
  /* UI Elements */
  --border-radius: 16px;
  --box-shadow: 0 10px 30px rgba(42, 41, 34, 0.15);
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  --max-width: 1400px;
  
  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
}

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

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

body.dark-mode {
  background-color: var(--background-dark);
  color: var(--text-dark);
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

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

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

img {
  max-width: 100%;
}

/* Typography */
h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 1rem;
}

p {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--primary-color);
  color: var(--background-light);
  border-radius: 30px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid var(--primary-color);
  position: relative;
  overflow: hidden;
  z-index: 1;
  cursor: pointer;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--accent-color);
  transition: width 0.5s ease;
  z-index: -1;
}

.btn:hover::before {
  width: 100%;
}

.btn:hover {
  color: var(--text-light);
  transform: translateY(-3px);
  box-shadow: var(--box-shadow);
}

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

.btn-outline:hover {
  color: var(--background-light);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  z-index: 1000;
  transition: var(--transition);
  background: rgba(249, 245, 240, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.dark-mode .navbar {
  background: rgba(26, 26, 26, 0.95);
}

.navbar.scrolled {
  padding: 1rem 2rem;
}

.nav-brand a {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-item {
  color: var(--text-light);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

.dark-mode .nav-item {
  color: var(--text-dark);
}

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
}

.dark-mode .mobile-menu-btn {
  color: var(--text-dark);
}

/* Theme toggle */
.theme-toggle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-color);
  color: var(--background-light);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--box-shadow);
  position: fixed;
  right: 30px;
  bottom: 30px;
  z-index: 100;
  transition: var(--transition);
  font-size: 1.2rem;
}

.theme-toggle:hover {
  transform: rotate(45deg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  transition: var(--transition);
}

.theme-toggle .hidden {
  opacity: 0;
  transform: scale(0);
}

/* Cards */
.card {
  background: var(--card-light);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 2rem;
  margin: 1rem 0;
  box-shadow: var(--box-shadow);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--accent-color);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.card:hover::before {
  height: 100%;
}

.dark-mode .card {
  background: var(--card-dark);
  border-color: rgba(255, 255, 255, 0.05);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: bold;
}

/* Loading animation */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--background-light);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  transition: opacity 0.5s, visibility 0.5s;
}

.dark-mode .loader {
  background: var(--background-dark);
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-icon {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(0,0,0,0.1);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* No-JS fallbacks: ensure content is visible without JavaScript */
.no-js .animate-on-scroll {
  opacity: 1 !important;
  transform: none !important;
}

.no-js .loader {
  display: none !important;
}

/* Hero section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::after {
  content: '';
  position: absolute;
  width: 80vw;
  height: 80vw;
  border-radius: 50%;
  background: radial-gradient(circle, var(--light-green) 0%, transparent 70%);
  top: -40vw;
  right: -40vw;
  z-index: -1;
  opacity: 0.4;
}

.hero::before {
  content: '';
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cream) 0%, transparent 70%);
  bottom: -30vw;
  left: -30vw;
  z-index: -1;
  opacity: 0.6;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  align-items: center;
}

.hero-image-container {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.hero-image {
  width: 350px;
  height: 400px;
  object-fit: cover;
  border-radius: 20px;
  transition: var(--transition);
  position: relative;
  z-index: 2;
}

.portfolio-image-wrapper {
  position: relative;
  display: inline-block;
  transform: perspective(1000px) rotateY(-8deg) rotateX(2deg);
  transition: var(--transition);
  animation: float 6s ease-in-out infinite;
}

.portfolio-image-wrapper:hover {
  transform: perspective(1000px) rotateY(-5deg) rotateX(1deg) scale(1.02);
}

.portfolio-image {
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.3),
    0 10px 20px rgba(224, 159, 62, 0.2),
    inset 0 0 0 3px rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(224, 159, 62, 0.3);
}

.image-glow-effect {
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: linear-gradient(
    135deg, 
    rgba(224, 159, 62, 0.4) 0%, 
    rgba(74, 103, 65, 0.2) 50%,
    rgba(224, 159, 62, 0.4) 100%
  );
  border-radius: 25px;
  z-index: -1;
  opacity: 0.8;
  filter: blur(20px);
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { 
    opacity: 0.6;
    transform: scale(0.95);
  }
  50% { 
    opacity: 1;
    transform: scale(1.05);
  }
}

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

.hero-title span {
  color: var(--primary-color);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  margin-bottom: 2rem;
  color: var(--secondary-color);
}

/* Social links */
.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--cream);
  color: var(--dark-green);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 1.2rem;
}

.social-link:hover {
  background: var(--primary-color);
  color: var(--background-light);
  transform: translateY(-5px);
}

/* Floating contact buttons */
.float-contact {
  position: fixed;
  left: 30px;
  bottom: 30px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.float-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent-color);
  color: var(--background-light);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  font-size: 1.2rem;
}

.float-btn:hover {
  transform: scale(1.1);
}

/* Section headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  position: relative;
  display: inline-block;
}

.section-title::before {
  content: '';
  position: absolute;
  width: 30%;
  height: 6px;
  background: var(--accent-color);
  bottom: -10px;
  left: 35%;
  border-radius: 3px;
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.skill-category {
  background: var(--card-light);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.dark-mode .skill-category {
  background: var(--card-dark);
  border-color: rgba(255,255,255,0.05);
}

.skill-category h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-family: var(--font-heading);
  position: relative;
  padding-left: 20px;
}

.skill-category h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  background: var(--accent-color);
  border-radius: 50%;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.skill-tag {
  padding: 0.5rem 1rem;
  background: var(--cream);
  color: var(--text-light);
  border-radius: 20px;
  font-size: 0.9rem;
  transition: var(--transition);
}

.dark-mode .skill-tag {
  background: var(--brown);
  color: var(--text-dark);
}

.skill-tag:hover {
  background: var(--accent-color);
  color: var(--background-light);
  transform: scale(1.05);
}

/* Certifications Section */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.cert-card {
  background: var(--card-light);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.dark-mode .cert-card {
  background: var(--card-dark);
}

.cert-card:hover {
  transform: translateY(-10px);
}

.cert-header {
  background: var(--primary-color);
  color: var(--background-light);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.cert-header::after {
  content: '🏆';
  position: absolute;
  right: 20px;
  top: 20px;
  font-size: 2rem;
  opacity: 0.3;
}

.cert-body {
  padding: 1.5rem;
}

.cert-title {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

/* Blog Section */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.blog-card {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  background: var(--card-light);
}

.dark-mode .blog-card {
  background: var(--card-dark);
}

.blog-img-container {
  overflow: hidden;
}

.blog-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition);
}

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

.blog-content {
  padding: 1.5rem;
}

.blog-date {
  color: var(--secondary-color);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  display: block;
}

.blog-title {
  color: var(--primary-color);
  margin-bottom: 1rem;
  transition: var(--transition);
}

.blog-card:hover .blog-title {
  color: var(--accent-color);
}

.blog-excerpt {
  margin-bottom: 1rem;
}

.blog-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.blog-tag {
  padding: 0.2rem 0.8rem;
  background: var(--cream);
  color: var(--text-light);
  border-radius: 20px;
  font-size: 0.8rem;
}

.dark-mode .blog-tag {
  background: var(--brown);
  color: var(--text-dark);
}

/* Featured Blog Post */
.featured-post {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 2rem;
}

.featured-post .blog-img {
  height: 100%;
  min-height: 350px;
}

/* Footer */
.footer {
  background: var(--dark-green);
  color: var(--background-light);
  padding: 4rem 0 2rem;
  position: relative;
}

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

.footer-about h3 {
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

.footer-links h3 {
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: var(--background-light);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  margin-top: 3rem;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
}

/* Skills Highlight Section */
.skills-highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.skills-highlight-card {
  background: var(--card-light);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  text-align: center;
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.dark-mode .skills-highlight-card {
  background: var(--card-dark);
  border-color: rgba(255,255,255,0.05);
}

.skills-highlight-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.skills-highlight-icon {
  width: 70px;
  height: 70px;
  background: var(--cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary-color);
  margin: 0 auto 1.5rem;
  transition: var(--transition);
}

.dark-mode .skills-highlight-icon {
  background: var(--brown);
  color: var(--cream);
}

.skills-highlight-card:hover .skills-highlight-icon {
  transform: scale(1.1);
  background: var(--primary-color);
  color: var(--cream);
}

.dark-mode .skills-highlight-card:hover .skills-highlight-icon {
  background: var(--accent-color);
  color: var(--dark-green);
}

.skills-tags-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.skill-pill {
  padding: 0.3rem 0.8rem;
  background: var(--cream);
  color: var(--text-light);
  border-radius: 20px;
  font-size: 0.8rem;
  transition: var(--transition);
}

.dark-mode .skill-pill {
  background: var(--brown);
  color: var(--text-dark);
}

.skill-pill:hover {
  background: var(--accent-color);
  color: var(--background-light);
}

.skills-cta {
  text-align: center;
  margin-top: 2rem;
}

/* Featured Project */
.featured-project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
  background: var(--card-light);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.dark-mode .featured-project {
  background: var(--card-dark);
}

.featured-project-content {
  padding: 3rem;
}

.featured-project-image {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 500px;
  width: 100%;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.project-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--accent-color);
  color: var(--background-light);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-status {
  font-style: italic;
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
}

.dark-mode .project-status {
  color: var(--cream);
}

.project-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.btn-outline-small {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--primary-color);
  border-radius: 20px;
  color: var(--primary-color);
  font-size: 0.9rem;
  transition: var(--transition);
}

.btn-outline-small i {
  margin-left: 0.5rem;
}

.btn-outline-small:hover {
  background: var(--primary-color);
  color: var(--background-light);
}

.dark-mode .btn-outline-small {
  border-color: var(--cream);
  color: var(--cream);
}

/* Project Tabs Styling */
.project-tabs {
  display: flex;
  justify-content: center;
  margin: 3rem 0;
  gap: 1rem;
  flex-wrap: wrap;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2rem;
  background: transparent;
  border: 2px solid var(--cream);
  border-radius: 50px;
  color: var(--text-light);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.dark-mode .tab-btn {
  border-color: var(--brown);
  color: var(--text-dark);
}

.tab-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  transition: left 0.5s ease;
  z-index: -1;
}

.tab-btn:hover::before,
.tab-btn.active::before {
  left: 0;
}

.tab-btn:hover,
.tab-btn.active {
  color: var(--background-light);
  border-color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.tab-btn i {
  font-size: 1.2rem;
}

/* Tab Content */
.tab-content {
  display: none;
  animation: fadeInUp 0.5s ease-in-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Website Showcase Styling */
.website-showcase {
  margin: 3rem 0;
}

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

.showcase-header h3 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.showcase-header p {
  font-size: 1.2rem;
  color: var(--secondary-color);
}

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

.website-card {
  background: var(--card-light);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.dark-mode .website-card {
  background: var(--card-dark);
}

.website-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.website-image {
  width: 100%;
  height: 300px;
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e8e8e8;
}

.website-image img {
  display: block;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  object-position: center center !important;
  transition: transform 0.3s ease;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  opacity: 1;
  visibility: visible;
  position: relative;
  z-index: 1;
}

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

/* Dark mode styles */
.dark-mode .website-image {
  background-color: #2a2a2a;
}

.website-preview {
  background: linear-gradient(135deg, var(--cream), var(--light-green));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 0.9rem;
  transition: var(--transition);
}

.website-preview.loading {
  background: linear-gradient(135deg, var(--cream), var(--light-green));
}

.website-preview.loading::after {
  content: 'Loading preview...';
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.website-preview.loaded {
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
}

.website-preview.error {
  background: linear-gradient(135deg, var(--secondary-color), var(--brown));
}

.website-preview.error::after {
  content: 'Preview unavailable';
  color: white;
}

.website-preview.domain-fallback {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
}

.domain-preview {
  text-align: center;
  color: white;
  padding: 1rem;
}

.domain-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  backdrop-filter: blur(10px);
}

.domain-icon img {
  width: 32px;
  height: 32px;
  border-radius: 4px;
}

.domain-icon i {
  font-size: 1.5rem;
  color: white;
}

.domain-name {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  word-break: break-all;
}

.preview-label {
  font-size: 0.7rem;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.website-image::after { content: none; }

.website-content {
  padding: 2rem;
}

.website-content h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.dark-mode .website-content h4 {
  color: var(--cream);
}

.website-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.5rem 0;
}

.website-features span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  background: var(--cream);
  color: var(--text-light);
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.dark-mode .website-features span {
  background: var(--brown);
  color: var(--text-dark);
}

.website-features i {
  color: var(--accent-color);
}

.btn-website {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--background-light);
  border-radius: 25px;
  font-weight: 600;
  transition: var(--transition);
  margin-top: 1rem;
}

.btn-website:hover {
  transform: translateX(5px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

/* AI Showcase Styling */
.ai-showcase {
  margin: 3rem 0;
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2.5rem;
}

.ai-card {
  background: var(--card-light);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
}

.dark-mode .ai-card {
  background: var(--card-dark);
}

.ai-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  opacity: 0;
  transition: var(--transition);
  z-index: 0;
}

.ai-card:hover::before {
  opacity: 0.05;
}

.ai-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px rgba(0,0,0,0.2);
  border-color: var(--accent-color);
}

.ai-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: white;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.ai-card:hover .ai-icon {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.ai-content {
  position: relative;
  z-index: 1;
}

.ai-content h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

.dark-mode .ai-content h4 {
  color: var(--cream);
}

.ai-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.5rem 0;
}

.ai-features span {
  padding: 0.5rem 1rem;
  background: var(--cream);
  color: var(--text-light);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}

.dark-mode .ai-features span {
  background: var(--brown);
  color: var(--text-dark);
}

.ai-card:hover .ai-features span {
  background: var(--accent-color);
  color: var(--background-light);
  transform: translateY(-2px);
}

.btn-ai {
  display: inline-block;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--background-light);
  border: none;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 1.5rem;
  position: relative;
  overflow: hidden;
}

.btn-ai::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
  transition: left 0.5s ease;
  z-index: -1;
}

.btn-ai:hover::before {
  left: 0;
}

.btn-ai:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Private Project Modal Styling */
#privateModal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  align-items: center;
  justify-content: center;
  padding: 2rem;
  box-sizing: border-box;
}

.private-modal-content {
  background: linear-gradient(135deg, var(--background-light), var(--cream));
  border-radius: 20px;
  overflow: hidden;
  border: 2px solid var(--accent-color);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.8);
  opacity: 0;
  transition: all 0.3s ease;
}

.dark-mode .private-modal-content {
  background: linear-gradient(135deg, var(--background-dark), var(--brown));
  border-color: var(--accent-color);
}

.private-modal-header {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  padding: 2rem;
  text-align: center;
  position: relative;
}

.private-icon {
  width: 80px;
  height: 80px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 1rem;
  backdrop-filter: blur(10px);
}

.private-modal-header h2 {
  margin: 0;
  font-size: 2rem;
}

.private-modal-header .close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  color: white;
  font-size: 2rem;
}

.private-modal-body {
  padding: 3rem;
}

.nda-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1rem 2rem;
  background: var(--accent-color);
  color: white;
  border-radius: 50px;
  font-weight: 600;
  margin: 0 auto 2rem;
  width: fit-content;
}

.private-message h3 {
  text-align: center;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.dark-mode .private-message h3 {
  color: var(--cream);
}

.private-details {
  display: grid;
  gap: 1.5rem;
  margin: 2rem 0;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--card-light);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.dark-mode .detail-item {
  background: var(--card-dark);
}

.detail-item:hover {
  transform: translateX(10px);
  box-shadow: var(--box-shadow);
}

.detail-item i {
  width: 50px;
  height: 50px;
  background: var(--cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.dark-mode .detail-item i {
  background: var(--brown);
  color: var(--cream);
}

.detail-item h4 {
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.dark-mode .detail-item h4 {
  color: var(--cream);
}

.detail-item p {
  margin: 0;
  color: var(--secondary-color);
}

.dark-mode .detail-item p {
  color: var(--text-dark);
}

.cta-section {
  text-align: center;
  background: var(--cream);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-top: 2rem;
}

.dark-mode .cta-section {
  background: var(--brown);
}

.cta-section h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.dark-mode .cta-section h4 {
  color: var(--cream);
}

.cta-section p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.dark-mode .cta-section p {
  color: var(--text-dark);
}

.cta-section .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}

.dark-mode .btn-outline-small:hover {
  background: var(--cream);
  color: var(--dark-green);
}

.github-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card-light);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-top: 4rem;
  box-shadow: var(--box-shadow);
}

.dark-mode .github-cta {
  background: var(--card-dark);
}

.btn-large {
  padding: 0.8rem 2rem;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

/* Enhanced Contact Section */
.contact-wrapper {
  max-width: 1200px;
  margin: 0 auto;
}

.contact-intro {
  text-align: center;
  margin-bottom: 3rem;
}

.contact-intro h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.contact-availability {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.5rem;
  background: var(--cream);
  border-radius: 50px;
  font-weight: 500;
  color: var(--text-light);
  margin-top: 1rem;
}

.dark-mode .contact-availability {
  background: var(--brown);
  color: var(--text-dark);
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #4CAF50;
}

.status-indicator.online {
  background: #4CAF50;
}

.status-indicator.busy {
  background: #FFC107;
}

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

.contact-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--cream);
}

.dark-mode .contact-header {
  border-bottom-color: var(--brown);
}

.contact-header i {
  font-size: 1.5rem;
  color: var(--accent-color);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item i {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-top: 0.3rem;
}

.dark-mode .contact-item i {
  color: var(--accent-color);
}

.contact-item h4 {
  margin-bottom: 0.3rem;
  color: var(--secondary-color);
}

.contact-social h4 {
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

.contact-form .form-header {
  margin-bottom: 2rem;
}

.contact-form .form-header h3 {
  margin-bottom: 0.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group .required {
  color: #E53935;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--cream);
  border-radius: var(--border-radius);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-light);
  font-family: var(--font-body);
  transition: var(--transition);
}

.dark-mode .form-group input,
.dark-mode .form-group textarea {
  border-color: var(--brown);
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 103, 65, 0.2);
}

/* Form Validation */
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
  border-color: #e74c3c;
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
  border-color: #27ae60;
}

/* Form Messages */
.form-message {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  animation: slideDown 0.3s ease-out;
}

.form-message.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-message.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.form-message.info {
  background-color: #d1ecf1;
  color: #0c5460;
  border: 1px solid #bee5eb;
}

body.dark-mode .form-message.success {
  background-color: rgba(39, 174, 96, 0.2);
  color: #2ecc71;
  border-color: rgba(39, 174, 96, 0.3);
}

body.dark-mode .form-message.error {
  background-color: rgba(231, 76, 60, 0.2);
  color: #e74c3c;
  border-color: rgba(231, 76, 60, 0.3);
}

body.dark-mode .form-message.info {
  background-color: rgba(52, 144, 220, 0.2);
  color: #3498db;
  border-color: rgba(52, 144, 220, 0.3);
}

.form-message i {
  font-size: 1.2rem;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-checkbox input {
  width: auto;
}

.form-checkbox label {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  width: 100%;
  padding: 1rem;
  font-size: 1.1rem;
}

.schedule-call-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--cream);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-top: 4rem;
}

.dark-mode .schedule-call-cta {
  background: var(--brown);
}

.schedule-call-content h3 {
  margin-bottom: 0.5rem;
}

.schedule-call-content p {
  margin-bottom: 0;
}

.btn-accent {
  background: var(--accent-color);
  border-color: var(--accent-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

/* Responsive Styles */
@media (max-width: 992px) {
  .featured-post,
  .hero-grid,
  .featured-project,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-image-container,
  .featured-project-image {
    display: flex;
    justify-content: center;
    order: -1;
    min-height: 300px;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .github-cta,
  .schedule-call-cta {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  /* Ensure content is visible on mobile even if observers lag */
  .animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--background-light);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    transition: var(--transition);
  }
  
  .dark-mode .nav-links {
    background: var(--background-dark);
  }
  
  .nav-links.active {
    right: 0;
    box-shadow: -5px 0 30px rgba(0,0,0,0.1);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .portfolio-image-wrapper {
    transform: perspective(900px) rotateY(-6deg) rotateX(1.5deg);
  }
  
  .portfolio-image {
    width: 300px;
    height: 350px;
  }
}

@media (max-width: 576px) {
  .blog-grid,
  .skills-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-content {
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .portfolio-image-wrapper {
    transform: perspective(800px) rotateY(-5deg) rotateX(1deg);
  }
  
  .portfolio-image {
    width: 280px;
    height: 320px;
  }
  
  .hero-image-container {
    padding: 1rem;
  }
  
  /* Mobile website screenshots sizing */
  .website-image {
    height: 200px;
  }
  .website-image img {
    height: 100% !important;
    object-fit: cover !important;
    object-position: center center !important;
  }
  
  /* Mobile project tabs */
  .project-tabs {
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
  }
  
  .tab-btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
    padding: 1rem;
  }
  
  /* Mobile website grid */
  .website-grid,
  .ai-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .website-card,
  .ai-card {
    margin: 0 auto;
    max-width: 350px;
  }
  
  .ai-grid {
    grid-template-columns: 1fr;
  }
  
  .ai-card {
    min-width: auto;
    padding: 2rem;
  }
  
  .showcase-header h3 {
    font-size: 2rem;
  }
  
  .featured-project {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .featured-project-content {
    padding: 2rem;
  }
  
  .featured-project-image {
    min-height: 300px;
    order: -1;
  }
  
  /* Mobile modal */
  .private-modal-content {
    margin: 1rem;
    width: calc(100% - 2rem);
  }
  
  .private-modal-body {
    padding: 2rem 1.5rem;
  }
  
  .detail-item {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
    padding: 1.5rem 1rem;
  }
  
  .cta-section {
    padding: 1.5rem;
  }
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease-out;
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-content {
  background-color: var(--card-light);
  border-radius: var(--border-radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 800px;
  max-height: 90vh;
  width: 100%;
  overflow: hidden;
  animation: slideUp 0.3s ease-out;
}

body.dark-mode .modal-content {
  background-color: var(--card-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 2rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

body.dark-mode .modal-header {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.modal-header h2 {
  margin: 0;
  color: var(--primary-color);
  font-size: 1.8rem;
}

.close {
  font-size: 2rem;
  font-weight: bold;
  color: var(--text-light);
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
  transition: var(--transition);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close:hover {
  background-color: rgba(0, 0, 0, 0.1);
  transform: scale(1.1);
}

body.dark-mode .close {
  color: var(--text-dark);
}

body.dark-mode .close:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.modal-body {
  padding: 1rem 2rem 2rem;
  max-height: 70vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) transparent;
}

.modal-body::-webkit-scrollbar {
  width: 6px;
}

.modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
  background-color: var(--primary-color);
  border-radius: 3px;
}

.modal-body h3 {
  color: var(--primary-color);
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.modal-body h4 {
  color: var(--secondary-color);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.modal-body p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.modal-body ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.modal-body li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.modal-body a {
  color: var(--accent-color);
  text-decoration: underline;
}

.modal-body a:hover {
  color: var(--primary-color);
}

/* Modal Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

/* Form Enhancement */
.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

.btn-submit:disabled:hover {
  transform: none !important;
}

.fa-spinner {
  animation: spin 1s linear infinite;
}

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

/* Mobile Modal Styles */
@media (max-width: 768px) {
  .modal-content {
    margin: 1rem;
    max-height: 95vh;
  }
  
  .modal-header {
    padding: 1.5rem 1.5rem 1rem;
  }
  
  .modal-header h2 {
    font-size: 1.5rem;
  }
  
  .modal-body {
    padding: 1rem 1.5rem 1.5rem;
  }
  
  .close {
    font-size: 1.8rem;
    width: 36px;
    height: 36px;
  }
}

/* Certificate Modal Styles */
.cert-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease-out;
}

.cert-modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.cert-modal-content {
  background-color: var(--card-light);
  border-radius: var(--border-radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  max-width: 90vw;
  max-height: 90vh;
  width: 100%;
  overflow: hidden;
  animation: slideUp 0.3s ease-out;
}

body.dark-mode .cert-modal-content {
  background-color: var(--card-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cert-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  background: var(--primary-color);
  color: white;
}

body.dark-mode .cert-modal-header {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.cert-modal-header h3 {
  margin: 0;
  font-size: 1.5rem;
  color: white;
}

.cert-modal-close {
  font-size: 2rem;
  font-weight: bold;
  color: white;
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
  transition: var(--transition);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-modal-close:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.cert-modal-body {
  padding: 0;
  display: flex;
  flex-direction: column;
  max-height: calc(90vh - 80px);
}

.cert-image-container {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8f9fa;
  min-height: 400px;
}

body.dark-mode .cert-image-container {
  background: #2a2a2a;
}

.cert-image {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
}

.cert-image:hover {
  transform: scale(1.02);
}

.cert-image-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text-light);
}

body.dark-mode .cert-image-loading {
  color: var(--text-dark);
}

.cert-image-loading i {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.cert-modal-info {
  padding: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  background: var(--background-light);
}

body.dark-mode .cert-modal-info {
  background: var(--background-dark);
  border-top-color: rgba(255, 255, 255, 0.1);
}

.cert-modal-info h4 {
  margin: 0 0 1.5rem 0;
  color: var(--primary-color);
  font-size: 1.2rem;
}

.cert-modal-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Certificate Modal Animations */
.cert-modal .cert-image {
  opacity: 0;
  transition: opacity 0.3s ease-out;
}

.cert-modal .cert-image.loaded {
  opacity: 1;
}

/* Mobile Certificate Modal */
@media (max-width: 768px) {
  .cert-modal-content {
    margin: 1rem;
    max-height: 95vh;
  }
  
  .cert-modal-header {
    padding: 1rem 1.5rem;
  }
  
  .cert-modal-header h3 {
    font-size: 1.3rem;
  }
  
  .cert-modal-info {
    padding: 1.5rem;
  }
  
  .cert-modal-close {
    font-size: 1.8rem;
    width: 36px;
    height: 36px;
  }
  
  .cert-image-container {
    min-height: 300px;
  }
  
  .cert-image {
    max-height: 50vh;
  }
  
  .cert-modal-actions {
    justify-content: center;
  }
}