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

:root {
  --color-bg-primary: #0a192f;
  --color-bg-secondary: #112240;
  --color-bg-tertiary: #1a2f4a;
  --color-text-primary: #e6f1ff;
  --color-text-secondary: #8892b0;
  --color-accent: #64ffda;
  --color-accent-hover: #52e3c2;
  --color-border: #233554;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Monaco", "Inconsolata", "Fira Code", "Droid Sans Mono", "Source Code Pro", monospace;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(10, 25, 47, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  font-family: var(--font-mono);
  transition: var(--transition);
}

.nav-logo:hover {
  color: var(--color-accent-hover);
}

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

.nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.95rem;
  font-family: var(--font-mono);
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition);
}

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

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.bar {
  width: 25px;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 150px;
}

.hero-content {
  max-width: 1000px;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text-primary);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-accent);
  margin-bottom: 2rem;
  font-family: var(--font-mono);
}

.hero-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-accent);
  margin-bottom: 2rem;
  transition: var(--transition);
  box-shadow: 0 10px 30px -15px rgba(100, 255, 218, 0.5);
}

.hero-image:hover {
  transform: scale(1.05);
  border-color: var(--color-accent-hover);
  box-shadow: 0 15px 40px -15px rgba(100, 255, 218, 0.7);
}

.hero-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin-bottom: 4rem;
  line-height: 1.8;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.highlight-card {
  background-color: var(--color-bg-secondary);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.highlight-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px -15px rgba(100, 255, 218, 0.3);
}

.highlight-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--color-text-primary);
}

.highlight-card p {
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.link-arrow {
  color: var(--color-accent);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: var(--transition);
  display: inline-block;
}

.link-arrow:hover {
  transform: translateX(5px);
  color: var(--color-accent-hover);
}

/* Section Styles */
section {
  padding: 6rem 0;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1rem;
  color: var(--color-text-primary);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  display: block;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, transparent 100%);
  margin-top: 0.5rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 3rem;
  max-width: 700px;
}

/* CV Section */
.cv-section {
  background-color: var(--color-bg-primary);
}

.cv-content {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.cv-block {
  background-color: var(--color-bg-secondary);
  padding: 2.5rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.cv-block-title {
  font-size: 1.75rem;
  margin-bottom: 2rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.cv-item {
  margin-bottom: 2.5rem;
}

.cv-item:last-child {
  margin-bottom: 0;
}

.cv-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 1rem;
}

.cv-item-header h4 {
  font-size: 1.25rem;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.cv-company {
  color: var(--color-text-secondary);
  font-size: 1rem;
}

.cv-date {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  white-space: nowrap;
}

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

.cv-list li {
  color: var(--color-text-secondary);
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  position: relative;
}

.cv-list li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-size: 1.2rem;
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.skill-category h4 {
  font-size: 1.1rem;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

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

.skill-tag {
  background-color: var(--color-bg-tertiary);
  color: var(--color-accent);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.skill-tag:hover {
  background-color: rgba(100, 255, 218, 0.1);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

/* Photo Section */
.photo-section {
  background-color: var(--color-bg-secondary);
}

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

.photo-card {
  background-color: var(--color-bg-primary);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  cursor: pointer;
}

.photo-card:hover {
  transform: translateY(-10px);
  border-color: var(--color-accent);
  box-shadow: 0 20px 40px -15px rgba(100, 255, 218, 0.3);
}

.photo-image {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

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

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

.photo-info {
  padding: 1.5rem;
}

.photo-info h3 {
  font-size: 1.25rem;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.photo-info p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.instagram-card {
  background-color: var(--color-bg-secondary);
  padding: 2.5rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  max-width: 500px;
  margin: 0 auto;
  transition: var(--transition);
}

.instagram-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px -15px rgba(100, 255, 218, 0.3);
}

.instagram-card svg {
  color: var(--color-accent);
}

.instagram-card h3 {
  font-size: 1.5rem;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.instagram-card p {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

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

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

.project-card {
  background-color: var(--color-bg-secondary);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px -15px rgba(100, 255, 218, 0.3);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 1rem;
}

.project-header h3 {
  font-size: 1.5rem;
  color: var(--color-text-primary);
}

.project-status {
  background-color: var(--color-bg-tertiary);
  color: var(--color-accent);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.project-status.completed {
  background-color: rgba(100, 255, 218, 0.1);
}

.project-description {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
  flex-grow: 1;
}

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

.tag {
  background-color: var(--color-bg-tertiary);
  color: var(--color-accent);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  border: 1px solid var(--color-border);
}

.project-link {
  color: var(--color-accent);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: var(--transition);
  display: inline-block;
}

.project-link:hover {
  transform: translateX(5px);
  color: var(--color-accent-hover);
}

/* Footer */
.footer {
  background-color: var(--color-bg-secondary);
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--color-border);
}

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

.footer-info h3 {
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}

.footer-info p {
  color: var(--color-text-secondary);
  margin-bottom: 0.25rem;
}

.footer-email {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

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

.footer-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

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

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

.footer-bottom p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* Contact Section */
.contact-section {
  min-height: 100vh;
  padding-top: 120px;
  background-color: var(--color-bg-primary);
}

.contact-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.contact-info {
  display: contents;
}

.contact-card {
  background-color: var(--color-bg-secondary);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px -15px rgba(100, 255, 218, 0.3);
}

.contact-icon {
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-details h3 {
  font-size: 1.1rem;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.contact-link {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

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

.contact-text {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.contact-form-container {
  background-color: var(--color-bg-secondary);
  padding: 2.5rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  color: var(--color-text-primary);
  font-size: 0.95rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  background-color: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  padding: 0.875rem 2rem;
  border-radius: 4px;
  font-size: 1rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: var(--transition);
  align-self: flex-start;
}

.submit-btn:hover {
  background-color: rgba(100, 255, 218, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px -5px rgba(100, 255, 218, 0.4);
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--color-bg-secondary);
    width: 100%;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.5);
    padding: 2rem 0;
    gap: 0;
  }

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

  .nav-item {
    margin: 1rem 0;
  }

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

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-highlights {
    grid-template-columns: 1fr;
  }

  .cv-item-header {
    flex-direction: column;
  }

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

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

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

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  /* Responsive styles for contact page */
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-info {
    display: flex;
    flex-direction: column;
  }

  .contact-form-container {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .nav-container {
    padding: 1rem;
  }

  section {
    padding: 4rem 0;
  }

  .cv-block {
    padding: 1.5rem;
  }

  .project-card {
    padding: 1.5rem;
  }
}

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

.hero-content,
.cv-block,
.photo-card,
.project-card,
.contact-card,
.contact-form-container {
  animation: fadeInUp 0.6s ease-out;
}