/* Base Styles */
:root {
  --primary-color: #8b9cbe;
  --secondary-color: #64748b;
  --accent-color: #a78bfa;
  --background-color: #1a1c25;
  --background-alt: #232635;
  --text-color: #e2e8f0;
  --text-light: #a1a1aa;
  --border-color: #2d3748;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --card-bg: #232635;
  --card-hover: #2a2e3f;
  --transition: all 0.3s ease;
  --radius: 0.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Utility Classes */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background-color: var(--primary-color);
  color: #0f172a;
  border-radius: var(--radius);
  font-weight: 500;
  transition: var(--transition);
}

.btn:hover {
  background-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(167, 139, 250, 0.2);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.section-divider {
  height: 4px;
  width: 5rem;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  margin: 0 auto;
  border-radius: 2px;
}

.section-header p {
  max-width: 36rem;
  margin: 1.5rem auto 0;
  color: var(--text-light);
}

/* Animations */
.animate-fade-in {
  opacity: 0;
  animation: fadeIn 0.8s ease forwards;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-800 {
  animation-delay: 0.8s;
}

.delay-1200 {
  animation-delay: 1.2s;
}

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-right {
  transform: translateX(-30px);
}

.slide-left {
  transform: translateX(30px);
}

.slide-right.visible,
.slide-left.visible {
  transform: translateX(0);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background-color: rgba(26, 28, 37, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px var(--shadow-color);
  padding: 1rem 0;
}

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

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.desktop-nav {
  display: none;
}

.desktop-nav ul {
  display: flex;
  gap: 2rem;
}

.desktop-nav a {
  color: var(--text-color);
  transition: var(--transition);
  position: relative;
}

.desktop-nav a:hover {
  color: var(--primary-color);
}

.desktop-nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.desktop-nav a:hover::after {
  width: 100%;
}

.mobile-nav-toggle {
  display: flex;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger {
  position: relative;
  width: 24px;
  height: 2px;
  background-color: var(--text-color);
  transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  left: 0;
  height: 2px;
  background-color: var(--text-color);
  transition: var(--transition);
}

.hamburger::before {
  transform: translateY(-8px);
}

.hamburger::after {
  transform: translateY(8px);
}

.mobile-nav-toggle.active .hamburger {
  background-color: transparent;
}

.mobile-nav-toggle.active .hamburger::before {
  transform: rotate(45deg);
}

.mobile-nav-toggle.active .hamburger::after {
  transform: rotate(-45deg);
}

.mobile-nav {
  display: none;
  background-color: var(--card-bg);
  padding: 1rem 0;
  box-shadow: 0 4px 6px var(--shadow-color);
}

.mobile-nav.active {
  display: block;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-color);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  color: var(--primary-color);
  padding-left: 0.5rem;
}

.mobile-nav-link:last-child {
  border-bottom: none;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 3rem;
  background-color: var(--background-color);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(139, 156, 190, 0.1), transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.05), transparent 50%);
  pointer-events: none;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  position: relative;
  z-index: 1;
}

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

.hero-text h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-color);
}

.hero-text h1 .name {
  display: block;
  font-size: 3rem;
  margin-top: 0.5rem;
  color: var(--primary-color);
  text-shadow: 0 0 20px rgba(139, 156, 190, 0.2);
}

.hero-text p {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
}

.profile-container {
  position: relative;
}

.profile-image {
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--border-color);
  box-shadow: 0 10px 25px var(--shadow-color), 0 0 0 8px rgba(139, 156, 190, 0.1);
  z-index: 2;
  position: relative;
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.1);
}

.profile-background {
  position: absolute;
  width: 16rem;
  height: 16rem;
  opacity: 0.15;
  border-radius: 50%;
  bottom: -0.75rem;
  right: -0.75rem;
  z-index: 1;
}

.scroll-down {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-light);
  transition: var(--transition);
}

.scroll-down:hover {
  color: var(--primary-color);
}

.scroll-down span {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.arrow-down {
  animation: bounce 2s infinite;
}

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

/* About Section */
.about {
  padding: 5rem 0;
  background-color: var(--background-alt);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(139, 156, 190, 0.05) 0%, transparent 100%);
  pointer-events: none;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  position: relative;
  z-index: 1;
}

.about-image {
  position: relative;
  height: 25rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 5px 15px var(--shadow-color);
  border: 1px solid var(--border-color);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.1);
}

.about-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 70%, rgba(26, 28, 37, 0.5));
}

.about-text h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

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

.about-text p:last-child {
  margin-bottom: 0;
}

/* Skills Section */
.skills {
  padding: 5rem 0;
  background-color: var(--background-color);
  position: relative;
  overflow: hidden;
}

.skills::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at bottom left, rgba(167, 139, 250, 0.05), transparent 60%);
  pointer-events: none;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.skill-card {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 10px var(--shadow-color);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  opacity: 0;
  transition: var(--transition);
}

.skill-card:hover {
  box-shadow: 0 6px 15px var(--shadow-color);
  transform: translateY(-5px);
  background-color: var(--card-hover);
}

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

.skill-icon {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.skill-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--primary-color);
}

.skill-card p {
  color: var(--text-light);
}

/* Projects Section */
.projects {
  padding: 5rem 0;
  background-color: var(--background-alt);
  position: relative;
  overflow: hidden;
}

.projects::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(139, 156, 190, 0.05) 0%, transparent 100%);
  pointer-events: none;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

.project-card {
  background-color: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 10px var(--shadow-color);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.project-card:hover {
  box-shadow: 0 6px 15px var(--shadow-color);
  transform: translateY(-5px);
  background-color: var(--card-hover);
}

.project-image {
  height: 15rem;
  overflow: hidden;
  position: relative;
}

.project-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 70%, rgba(35, 38, 53, 0.5));
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  filter: brightness(0.9) contrast(1.1);
}

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

.project-content {
  padding: 1.5rem;
}

.project-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.project-content p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-tags span {
  padding: 0.25rem 0.75rem;
  background-color: rgba(139, 156, 190, 0.1);
  color: var(--text-light);
  border-radius: 9999px;
  font-size: 0.875rem;
  border: 1px solid rgba(139, 156, 190, 0.2);
}

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

.project-link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--primary-color);
  transition: var(--transition);
}

.project-link:hover {
  color: var(--accent-color);
}

/* Contact Section */
.contact {
  padding: 5rem 0;
  background-color: var(--background-color);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(167, 139, 250, 0.05), transparent 70%);
  pointer-events: none;
}

.contact-content {
  max-width: 36rem;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.contact-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 3rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-color);
  margin-bottom: 1rem;
  transition: var(--transition);
}

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

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background-color: rgba(139, 156, 190, 0.1);
  border-radius: 50%;
  color: var(--primary-color);
  transition: var(--transition);
  border: 1px solid rgba(139, 156, 190, 0.2);
}

.social-links a:hover {
  background-color: var(--primary-color);
  color: var(--background-color);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(139, 156, 190, 0.2);
}

/* Footer */
.footer {
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-color);
  margin-top: 5rem;
  background-color: var(--background-alt);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

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

.back-to-top {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-light);
  transition: var(--transition);
}

.back-to-top:hover {
  color: var(--primary-color);
}

/* Media Queries */
@media (min-width: 640px) {
  .hero-text h1 {
    font-size: 3rem;
  }
  
  .hero-text h1 .name {
    font-size: 3.5rem;
  }
  
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .desktop-nav {
    display: block;
  }
  
  .mobile-nav-toggle {
    display: none;
  }
  
  .hero-content {
    flex-direction: row;
    justify-content: center;
    text-align: left;
  }
  
  .hero-text {
    text-align: left;
  }
  
  .about-content {
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
  }
  
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .profile-image,
  .profile-background {
    width: 20rem;
    height: 20rem;
  }
}