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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Satoshi', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  min-height: 100vh;
  color: var(--text-primary);
  transition: background 0.3s ease, color 0.3s ease;
}

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #666666;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.3);
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-hover: rgba(255, 255, 255, 0.1);
}

body.light-mode {
  --bg-primary: #fafafa;
  --bg-secondary: #f0f0f0;
  --text-primary: #0a0a0a;
  --text-secondary: #666666;
  --border-color: rgba(0, 0, 0, 0.1);
  --border-hover: rgba(0, 0, 0, 0.3);
  --card-bg: rgba(0, 0, 0, 0.03);
  --card-hover: rgba(0, 0, 0, 0.06);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: transparent;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background 0.3s ease;
}

.menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 101;
}

.hamburger {
  width: 24px;
  height: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.hamburger::before,
.hamburger::after,
.hamburger span {
  content: '';
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
  display: block;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--card-hover);
  border-color: var(--border-hover);
}

.theme-toggle .sun-icon {
  display: none;
}

.theme-toggle .moon-icon {
  display: block;
}

body.light-mode .theme-toggle .sun-icon {
  display: block;
}

body.light-mode .theme-toggle .moon-icon {
  display: none;
}

.nav-links {
  display: none;
}

@media (min-width: 768px) {
  .logo {
    display: block;
  }
  
  .nav-links {
    display: flex;
    gap: 32px;
  }
  
  .nav-links a {
    font-size: 14px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    opacity: 0.7;
    transition: opacity 0.2s ease;
  }
  
  .nav-links a:hover {
    opacity: 1;
  }
  
  .menu-btn {
    display: none;
  }
}

.hero {
  position: relative;
  background: var(--bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 24px;
  padding-bottom: 80px;
  transition: background 0.3s ease;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.geometric-shape {
  position: absolute;
  background: linear-gradient(45deg, var(--card-bg), var(--card-hover));
  border: 1px solid var(--border-color);
  border-radius: 50%;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 300px;
  height: 300px;
  top: 10%;
  left: -150px;
  animation-delay: 0s;
  transform: rotate(15deg);
}

.shape-2 {
  width: 200px;
  height: 200px;
  top: 60%;
  right: -100px;
  animation-delay: 2s;
  transform: rotate(-10deg);
}

.shape-3 {
  width: 150px;
  height: 150px;
  top: 30%;
  right: 15%;
  animation-delay: 4s;
  transform: rotate(25deg);
}

.floating-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--text-primary);
  border-radius: 50%;
  opacity: 0.3;
  animation: twinkle 3s ease-in-out infinite;
}

.particle-1 {
  top: 20%;
  left: 20%;
  animation-delay: 0s;
}

.particle-2 {
  top: 40%;
  right: 30%;
  animation-delay: 1s;
}

.particle-3 {
  top: 70%;
  left: 60%;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.5); }
}

.corner-element {
  position: absolute;
  z-index: 5;
}

.corner-tl {
  top: 60px;
  left: 40px;
}

.corner-tr {
  top: 70px;
  right: 30px;
}

.corner-bl {
  bottom: 120px;
  left: 30px;
}

.corner-br {
  bottom: 80px;
  right: 50px;
}

.corner-image {
  pointer-events: none;
}

.corner-badge {
  width: 55px;
  height: 55px;
  object-fit: contain;
}

.corner-circle {
  width: 100px;
  height: auto;
  object-fit: contain;
}

.corner-paperclip {
  width: 45px;
  height: auto;
  object-fit: contain;
  transform: rotate(15deg);
}

.floating-element {
  position: absolute;
  z-index: 5;
}

.elem-1 {
  top: 40%;
  left: 8%;
}

.elem-2 {
  top: 35%;
  right: 8%;
}

.float-image {
  pointer-events: none;
  width: 50px;
  height: auto;
  object-fit: contain;
}

.icons-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.7;
}

.icons-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

@media (max-width: 768px) {
  .corner-element {
    transform: scale(0.6);
  }
  
  .corner-tl { top: 50px; left: 15px; }
  .corner-tr { top: 50px; right: 15px; }
  .corner-bl { bottom: 100px; left: 15px; }
  .corner-br { bottom: 80px; right: 15px; }
  
  .floating-element {
    transform: scale(0.5);
  }
  
  .elem-1 { left: 3%; }
  .elem-2 { right: 3%; }
  
  .icons-background {
    opacity: 0.7;
  }
}

.hero-content {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 10;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  margin-bottom: 24px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-pill span:last-child {
  font-size: 14px;
  color: var(--text-primary);
}

.hero-title {
  font-size: clamp(24px, 4vw, 48px);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-top: 24px;
  letter-spacing: -0.5px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.scroll-indicator span {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.scroll-line {
  width: 60px;
  height: 1px;
  background: var(--text-secondary);
}

main {
  position: relative;
}

.section-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 32px;
}

.skills-section,
.work-section,
.about-section,
.contact-section {
  padding: 80px 24px;
  background: var(--bg-primary);
  transition: background 0.3s ease;
}

.work-section {
  min-height: 100vh;
}

.skills-section {
  min-height: auto;
  padding: 60px 24px;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skill-card {
  padding: 12px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.skill-card:hover {
  background: var(--card-hover);
  border-color: var(--border-hover);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.project-card {
  cursor: pointer;
}

.project-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  border-radius: 8px;
  background: var(--bg-secondary);
}

.project-placeholder {
  width: 100%;
  height: 100%;
  transition: transform 0.5s ease;
}

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

.project-card:hover .project-placeholder {
  transform: scale(1.03);
}

.project-info {
  margin-top: 16px;
}

.project-info h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.project-info p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tag {
  padding: 4px 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
}

.project-links {
  display: flex;
  gap: 12px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--text-primary);
  color: var(--bg-primary);
  text-decoration: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

.project-link:hover {
  opacity: 0.9;
}

.project-link.secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.project-link.secondary:hover {
  border-color: var(--text-primary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.about-photo {
  aspect-ratio: 1;
  max-width: 300px;
}

.photo-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border-radius: 16px;
}

.about-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-text {
  font-size: clamp(24px, 5vw, 40px);
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
  letter-spacing: -1px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3em;
}

.about-text-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 32px;
}

.word {
  display: inline-block;
  transition: color 0.15s ease;
  color: #444444;
}

body.light-mode .word {
  color: #888888;
}

.stats-grid {
  display: flex;
  gap: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

.resume-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.2s ease;
  width: fit-content;
}

.resume-link:hover {
  background: var(--card-hover);
  border-color: var(--border-hover);
}

.about-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.about-link:hover {
  color: var(--text-secondary);
}

.about-link svg {
  transition: transform 0.2s ease;
}

.about-link:hover svg {
  transform: translate(2px, -2px);
}

.contact-section {
  min-height: 60vh;
  padding-bottom: 100px;
}

.contact-content {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.contact-email {
  font-size: clamp(32px, 8vw, 72px);
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -2px;
  transition: color 0.2s ease;
}

.contact-email:hover {
  color: var(--text-secondary);
}

.social-links {
  display: flex;
  gap: 24px;
}

.social-links a {
  font-size: 16px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.social-links a:hover {
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-content {
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
  }
  
  .about-text {
    max-width: 100%;
  }
  
  .skills-grid {
    gap: 16px;
  }
  
  .skill-card {
    padding: 14px 28px;
    font-size: 15px;
  }
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg-primary);
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
}

.mobile-menu.active {
  transform: translateX(0);
}

.menu-header {
  display: flex;
  justify-content: flex-end;
  padding: 20px 24px;
}

.close-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
}

.menu-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: calc(100% - 68px);
  gap: 32px;
}

.menu-content a {
  font-size: 48px;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -2px;
  transition: color 0.2s ease;
}

.menu-content a:hover {
  color: var(--text-secondary);
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.footer {
  padding: 60px 24px;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  transition: background 0.3s ease;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-social a:hover {
  color: var(--text-primary);
}

.footer-copyright {
  font-size: 14px;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}