.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.08) 0%, transparent 70%);
  top: -200px; right: -200px;
  pointer-events: none;
}
.hero-subtitle {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -2px;
}
.hero h1 .outline {
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 1.5px var(--text);
  color: transparent;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p { color: var(--text-secondary); margin-bottom: 20px; font-size: 1rem; }
.about-text p:last-child { margin-bottom: 0; }

.profile-wrap { text-align: center; }
.profile-img {
  width: 280px;
  height: 280px;
  min-width: 280px;
  min-height: 280px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  transition: border-color 0.3s ease;
  display: block;
  margin: 0 auto;
}
.profile-img:hover { border-color: var(--accent); }

#portfolio { text-align: center; }
#portfolio .section-desc { margin: 0 auto; }
#portfolio .project-card { text-align: left; }
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.project-card {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  transition: all 0.4s ease;
}
.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(var(--black-rgb), 0.5);
}
.project-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--black);
  overflow: hidden;
  cursor: pointer;
}
.project-thumb::after {
  content: '▶';
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: var(--white);
  background: rgba(var(--black-rgb), 0.3);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.project-thumb:hover::after { opacity: 1; }
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card:hover .project-thumb img { transform: scale(1.06); }
.project-body { padding: 24px; }
.project-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
}
.project-body p {
  font-size: 0.85rem; color: var(--text-faint);
  margin-top: 6px; line-height: 1.6;
}

@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
.skeleton-card {
  background: var(--card-bg);
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--card-border);
}
.skeleton-thumb {
  width: 100%; aspect-ratio: 16 / 9;
  background: linear-gradient(90deg, var(--card-border) 25%, var(--border) 50%, var(--card-border) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}
.skeleton-line {
  height: 14px; margin: 16px 24px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--card-border) 25%, var(--border) 50%, var(--card-border) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}
.skeleton-line:last-child { width: 65%; }

.modal-overlay {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--overlay);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 24px;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-content {
  position: relative;
  width: 100%; max-width: 900px;
  aspect-ratio: 16 / 9;
  background: var(--black);
  border-radius: 12px; overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.3s ease;
}
.modal-overlay.open .modal-content { transform: scale(1); }
.modal-content iframe {
  width: 100%; height: 100%; border: none;
}
.modal-close {
  position: absolute; top: 12px; right: 12px; z-index: 10;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(var(--black-rgb), 0.6); border: none; color: var(--white);
  font-size: 1.3rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  line-height: 1; transition: background 0.25s;
}
.modal-close:hover { background: rgba(var(--black-rgb), 0.9); }

#projects { padding: 120px 20px; text-align: center; }
#projects .section-desc { margin: 0 auto; }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.project-mini-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 28px;
  text-align: left;
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}
.project-mini-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(var(--black-rgb), 0.4);
}
.project-mini-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}
.project-mini-card p {
  font-size: 0.875rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}
.project-mini-card .project-link {
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.25s ease;
}
.project-mini-card .project-link:hover {
  color: var(--accent-hover);
}

#contact { padding: 120px 20px; text-align: center; }
.contact-wrap { margin-top: 48px; }
.contact-info { display: flex; gap: 20px; justify-content: center; }
.contact-item {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--accent);
  transition: all 0.35s ease;
}
.contact-item:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.12);
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.15);
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 260px; height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    border-left: 1px solid var(--card-border);
    transition: right 0.4s ease;
    z-index: 999;
  }
  .nav-links.open { right: 0; }
  .lang-btn { order: 0; margin-left: auto; }
  .nav-toggle { display: flex; z-index: 1001; order: 1; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .profile-wrap { padding-left: 0; }
  .profile-img {
    width: 220px;
    height: 220px;
    min-width: 220px;
    min-height: 220px;
  }

  .hero h1 { font-size: clamp(2.4rem, 12vw, 3.6rem); }
  .portfolio-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}