/* Global Styles */
:root {
  --dark-bg: #0e1016;
  --text-purple: #c792ea;
  --text-color: #e2e2e2;
  --accent-color: #8e44ad;
  --card-bg: #181b25;
  --border-color: #323546;
  --section-spacing: 100px;
  --gradient-primary: linear-gradient(90deg, #c792ea, #7c3aed);
  --gradient-secondary: linear-gradient(135deg, #667eea, #764ba2);
  --shadow-light: 0 4px 15px rgba(199, 146, 234, 0.1);
  --shadow-medium: 0 8px 25px rgba(199, 146, 234, 0.2);
  --shadow-heavy: 0 15px 35px rgba(199, 146, 234, 0.3);
}

/* Ensure proper viewport handling */
html {
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Prevent horizontal scroll */
body {
  overflow-x: hidden;
}

.light-mode {
  --dark-bg: #f5f7fa;
  --text-purple: #6c2db7;
  --text-color: #1a1a1a;
  --accent-color: #8e44ad;
  --card-bg: #ffffff;
  --border-color: #dcdfe6;
  --section-spacing: 100px;
}

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

body {
  font-family: 'Inter', 'Roboto', sans-serif;
  background-color: var(--dark-bg);
  color: var(--text-color);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  transition: all 0.3s ease;
  min-width: 320px; /* Minimum width for very small devices */
}

/* Grid Background Decoration */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 10px 10px, rgba(70, 70, 90, 0.12) 2px, transparent 0),
    radial-gradient(circle at 25px 25px, rgba(70, 70, 90, 0.05) 1px, transparent 0);
  background-size: 50px 50px;
  background-position: 0 0, 25px 25px;
  pointer-events: none;
  z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 2rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
}

.site-title {
  text-align: left;
}

h2 {
  font-size: 2rem;
  color: var(--text-color);
  position: relative;
  display: inline-block;
  margin-bottom: 2rem;
}

h2::before {
  content: '/';
  color: var(--text-purple);
  margin-right: 0.5rem;
  font-weight: 700;
}

p {
  margin-bottom: 1rem;
  opacity: 0.85;
  font-size: 1rem;
}

a {
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Container & Section Styling */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 5rem 2rem;
  margin-bottom: var(--section-spacing);
  position: relative;
}

section::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  width: 40px;
  height: 4px;
  background: var(--text-purple);
  border-radius: 4px;
}

.section-desc {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-color);
  opacity: 0.8;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Header & Navigation */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background-color: rgba(14, 16, 22, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(50, 53, 70, 0.3);
}

.light-mode header {
  background-color: rgba(201, 201, 201, 0.8);
  border-bottom: 1px solid rgba(220, 220, 230, 0.3);
}

.logo {
  display: flex;
  align-items: center;
}

.logo h1 {
  font-size: 1.5rem;
  margin: 0;
  position: relative;
}

.logo h1::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--text-purple);
  display: inline-block;
  border-radius: 50%;
  margin-left: 4px;
  vertical-align: middle;
}

nav {
  display: flex;
  align-items: center;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--text-purple);
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

select {
  background: rgb(166, 167, 168);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}

/* Hero Section */
.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 60px;
  gap: 40px;
  min-height: 100vh;
}

.hero-text {
  flex: 1;
}

.hero-text h1 {
  font-size: 2.5rem;
  color: white;
}

.hero-text .pink {
  color: #d16fff;
}

.hero-text p {
  margin: 20px 0;
  color: #aaa;
}

.hero-text button {
  padding: 10px 20px;
  background-color: transparent;
  border: 1px solid #d16fff;
  color: #d16fff;
  cursor: pointer;
  font-weight: bold;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.hero-image {
  flex: 1;
  position: relative;
  text-align: center;
  width: 45%;
}

.hero-image img {
  max-width: 150%;
  height: auto;
}

.highlight {
  color: #ffffff;
}

.quote {
  border: 1px solid #777;
  padding: 30px;
  margin: 60px auto;
  max-width: 600px;
  text-align: center;
  font-family: 'Courier New', monospace;
  font-size: 1.2rem;
  color: #ccc;
  position: relative;
}

.quote p {
  margin: 0;
  quotes: """ """;
}

.quote p::before {
  content: open-quote;
  font-size: 2rem;
  vertical-align: top;
  color: #aaa;
}

.quote p::after {
  content: close-quote;
  font-size: 2rem;
  vertical-align: bottom;
  color: #aaa;
}

.quote cite {
  display: block;
  margin-top: 15px;
  font-size: 0.9rem;
  color: #aaa;
  text-align: right;
}

/* Projects Section */
#projects {
  position: relative;
}

.projects-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.project-card {
  background: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  width: 100%;
  text-align: center;
  position: relative;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.project-card img {
  width: 100%;
  height: 200px;
  display: block;
  margin: 0;
  padding: 0;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}

.project-card .tech {
  color: var(--text-purple);
  font-size: 0.9rem;
  padding: 1rem 1rem 0.5rem;
  margin-top: 1rem;
}

.project-card .description {
  padding: 0 1rem 1rem;
  font-size: 0.95rem;
  color: rgba(226, 226, 226, 0.8);
  margin-top: 0.5rem;
  margin-bottom: auto;
}

.view-button {
  background: transparent;
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1.2rem;
  margin: 1rem 0;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  display: inline-block;
}

.view-button:hover {
  background: var(--text-purple);
  border-color: var(--text-purple);
  color: white;
}

/* Skills Section */
.social-links-container {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.social-link {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #334155;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: all 0.3s ease;
  font-size: 1.5rem;
  text-decoration: none;
  border: 1px solid #334155;
  box-shadow: var(--shadow-light);
  cursor: pointer;
  font-weight: 500;
  text-align: center;
}

.social-link:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.linkedin { background-color: #0A66C2; }
.html { background-color: #E34F26; }
.css { background-color: #1572B6; }
.js { background-color: #F7DF1E; color: #000; }
.node-js { background-color: #339933; }
.react { background-color: #61DAFB; color: #000; }
.git { background-color: #F05032; }
.instagram { background: linear-gradient(45deg, #feda75, #fa7e1e, #d62976, #962fbf, #4f5bd5); }
.mail { background-color: #de6e18; }
.sql { background-color: #00758F; }

/* Education & Experience Sections */
#education, #experience {
  background: rgba(28, 32, 46, 0.3);
  border-radius: 12px;
  padding: 3rem;
  margin: 4rem 2rem;
}

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

.education-timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  padding-left: 80px;
}

.timeline-date {
  position: absolute;
  left: -90px;
  top: 0;
  width: 163px;
  text-align: center;
}

.timeline-date .year {
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
}

.timeline-content {
  background: var(--card-bg);
  border-radius: 15px;
  padding: 2rem;
  border: 1px solid var(--border-color);
  position: relative;
  transition: all 0.3s ease;
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.timeline-content::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 20px;
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-right: 10px solid var(--card-bg);
}

.timeline-icon {
  position: absolute;
  left: -110px;
  top: 15px;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid var(--dark-bg);
  z-index: 2;
}

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

.timeline-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.timeline-info h4 {
  font-size: 1.1rem;
  color: var(--text-purple);
  margin-bottom: 1rem;
  font-weight: 600;
}

.timeline-info p {
  color: var(--text-color);
  opacity: 0.8;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.highlights {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.highlight-tag {
  background: rgba(199, 146, 234, 0.1);
  color: var(--text-purple);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid rgba(199, 146, 234, 0.3);
}

/* Certifications Section */
#certifications {
  padding: 5rem 2rem;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  width: 100%;
  box-sizing: border-box;
}

.certification-card {
  background: var(--card-bg);
  border-radius: 15px;
  padding: 2rem;
  border: 1px solid var(--border-color);
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}

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

.certification-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-heavy);
}

.cert-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

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

.cert-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.cert-issuer {
  color: var(--text-purple);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.cert-date {
  color: var(--text-color);
  opacity: 0.7;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.cert-description {
  color: var(--text-color);
  opacity: 0.8;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.cert-skills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.cert-skills span {
  background: rgba(199, 146, 234, 0.1);
  color: var(--text-purple);
  padding: 0.4rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  border: 1px solid rgba(199, 146, 234, 0.3);
}

.cert-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: rgba(199, 146, 234, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(199, 146, 234, 0.3);
}

.cert-badge i {
  font-size: 1rem;
  color: var(--text-purple);
}

/* About Section */
#about {
  background: rgba(28, 32, 46, 0.3);
  border-radius: 12px;
  padding: 3rem;
  margin: 4rem 2rem;
}

#about p {
  max-width: 800px;
  text-align: justify;
}

/* Contact Section */
.contact-message {
  flex: 1;
  min-width: 250px;
  max-width: 600px;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 10px;
  margin: 150px;
  border: 1px solid var(--text-purple);
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  font-size: 1rem;
  color: var(--text-color);
  font-family: 'Courier New', monospace;
  font-weight: 500;
  text-align: left;
  line-height: 1.5;
  background-color: #1e1e2f;
}

.contact-me {
  border-radius: 10px;
  transition: all 0.3s ease;
}

.contact-me:hover {
  background: var(--text-purple);
  border-color: var(--text-purple);
  color: white;
  -webkit-text-fill-color: white;
}

.d-cv {
  border-radius: 10px;
  margin-left: 10px;
}

.d-cv:hover {
  background: var(--text-purple);
  border-color: var(--text-purple);
  color: white;
  transition: all 0.3s ease;
}

.logo-container {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background-color: white;
  display: flex;
  justify-content: center;
  align-items: center;
}

.cover-img {
  width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Footer */
footer {
  padding: 2rem;
  background: rgba(14, 16, 22, 0.9);
  text-align: center;
  border-top: 1px solid var(--border-color);
}

footer p {
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Responsive Design */

/* Large screens and tablets landscape */
@media (max-width: 1200px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .hero {
    padding: 50px 30px;
  }
  
  .projects-container {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  
  .certifications-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }
}

/* Tablets and small laptops */
@media (max-width: 1024px) {
  .timeline-date {
    position: static;
    margin-bottom: 1rem;
  }
  
  .timeline-item {
    padding-left: 0;
  }
  
  .education-timeline::before {
    display: none;
  }
  
  .timeline-icon {
    position: static;
    margin-bottom: 1rem;
  }
  
  .timeline-content::before {
    display: none;
  }
  
  .hero-text h1 {
    font-size: 2.2rem;
  }
  
  .hero-image img {
    max-width: 120%;
  }
  
  .projects-container {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
  }
  
  .certifications-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
  }
}

/* Tablets portrait and small laptops */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  header {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  
  nav ul {
    gap: 0.8rem;
    flex-wrap: wrap;
    justify-content: center;
    font-size: 0.9rem;
  }
  
  .hero {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
    min-height: 90vh;
  }
  
  .hero-image {
    width: 100%;
    order: 1;
    margin-bottom: 2rem;
  }
  
  .hero-image img {
    max-width: 100%;
    height: auto;
  }
  
  .hero-text {
    order: 2;
    width: 100%;
  }
  
  .hero-text h1 {
    font-size: 2rem;
    line-height: 1.3;
  }
  
  .hero-text h2 {
    font-size: 1.1rem;
  }
  
  .hero-text p {
    font-size: 1rem;
  }
  
  .hero-text .contact-me,
  .hero-text .d-cv {
    width: 100%;
    margin: 0.5rem 0;
    padding: 12px 20px;
  }
  
  h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
  }
  
  .section-desc {
    font-size: 1rem;
    margin-bottom: 2rem;
  }
  
  .projects-container,
  .certifications-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .certifications-grid {
    min-width: 0; /* Allow grid to shrink below content size */
  }
  
  .project-card,
  .certification-card {
    margin-bottom: 1rem;
  }
  
  section {
    padding: 3rem 1rem;
  }
  
  #about,
  #education,
  #experience {
    padding: 2rem 1rem;
    margin: 2rem 0.5rem;
  }
  
  .contact-message {
    margin: 2rem 0.5rem;
    padding: 1.5rem;
  }
  
  .social-links {
    gap: 0.8rem;
    flex-wrap: wrap;
  }
  
  .social-link {
    width: 50px;
    height: 50px;
    font-size: 1.4rem;
  }
  
  .quote {
    padding: 20px;
    margin: 40px auto;
    font-size: 1rem;
  }
  
  .timeline-content {
    padding: 1.5rem;
  }
  
  .highlight-tag {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }
  
  .cert-skills span {
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
  }
}

/* Mobile phones */
@media (max-width: 576px) {
  .container {
    padding: 0 0.8rem;
  }
  
  header {
    padding: 0.8rem;
  }
  
  nav ul {
    gap: 0.6rem;
    font-size: 0.85rem;
  }
  
  .hero {
    padding: 30px 15px;
    min-height: 85vh;
  }
  
  .hero-text h1 {
    font-size: 1.6rem;
    line-height: 1.2;
  }
  
  .hero-text h2 {
    font-size: 1rem;
  }
  
  .hero-text p {
    font-size: 0.9rem;
    margin: 15px 0;
  }
  
  .hero-text .contact-me,
  .hero-text .d-cv {
    padding: 10px 16px;
    font-size: 0.9rem;
  }
  
  h2 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
  }
  
  .section-desc {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
  }
  
  section {
    padding: 2rem 0.8rem;
  }
  
  #about,
  #education,
  #experience,
  #certifications {
    padding: 1.5rem 0.8rem;
    margin: 1.5rem 0.3rem;
  }
  
  .contact-message {
    margin: 1.5rem 0.3rem;
    padding: 1.2rem;
    font-size: 0.9rem;
  }
  
  .social-links {
    gap: 0.6rem;
  }
  
  .social-link {
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
  }
  
  .quote {
    font-size: 0.9rem;
    padding: 15px;
    margin: 30px auto;
  }
  
  .project-card,
  .certification-card {
    padding: 1.2rem;
    min-width: 0; /* Prevent cards from being too wide */
    width: 100%;
  }
  
  .certifications-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem;
    width: 100%;
    overflow: hidden;
  }
  
  .timeline-content {
    padding: 1.2rem;
  }
  
  .highlight-tag {
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
  }
  
  .cert-skills span {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
  }
  
  .logo h1 {
    font-size: 1.3rem;
  }
  
  .hero-image img {
    max-width: 90%;
  }
}

/* Extra small devices */
@media (max-width: 400px) {
  .container {
    padding: 0 0.5rem;
  }
  
  .hero {
    padding: 20px 10px;
  }
  
  .hero-text h1 {
    font-size: 1.4rem;
  }
  
  .hero-text h2 {
    font-size: 0.9rem;
  }
  
  .hero-text p {
    font-size: 0.85rem;
  }
  
  h2 {
    font-size: 1.4rem;
  }
  
  .section-desc {
    font-size: 0.85rem;
  }
  
  section {
    padding: 1.5rem 0.5rem;
  }
  
  #about,
  #education,
  #experience,
  #certifications {
    padding: 1.2rem 0.5rem;
    margin: 1.2rem 0.2rem;
  }
  
  .contact-message {
    margin: 1.2rem 0.2rem;
    padding: 1rem;
  }
  
  .social-link {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }
  
  .project-card,
  .certification-card {
    padding: 1rem;
  }
  
  .timeline-content {
    padding: 1rem;
  }
  
  .highlight-tag {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
  }
  
  .cert-skills span {
    font-size: 0.65rem;
    padding: 0.2rem 0.4rem;
  }
  
  .certifications-grid {
    grid-template-columns: 1fr !important;
    gap: 0.8rem;
    width: 100%;
    overflow: visible;
  }
  
  .certification-card {
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
  }
}

/* Landscape orientation for mobile devices */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: 100vh;
    padding: 20px 15px;
  }
  
  .hero-text h1 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
  }
  
  .hero-text p {
    margin: 10px 0;
  }
  
  .hero-text .contact-me,
  .hero-text .d-cv {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
  
  section {
    padding: 2rem 0.8rem;
  }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero-image img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Print styles */
@media print {
  body {
    background: white !important;
    color: black !important;
  }
  
  .hero-image,
  .social-links,
  .contact-message {
    display: none;
  }
  
  section {
    page-break-inside: avoid;
  }
}

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

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

/* Scroll indicator */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--gradient-primary);
  z-index: 9999;
  transition: width 0.3s ease;
}

/* Loading animation */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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