nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: calc(18px + env(safe-area-inset-top, 0px)) 8% 18px calc(90px + env(safe-area-inset-left, 0px));
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10,10,18,0.85);
  z-index: 1000;
  border-bottom: 1px solid var(--card-border);
  transform: translateY(-100%);
  transition: transform 0.6s ease;
}

body[data-theme="pixel"] nav {
  background: var(--bg-2);
  border-bottom: 3px solid var(--accent-3);
  transition: transform 0.3s steps(4, end);
}

nav.show { transform: translateY(0); }

.logo {
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--accent-4);
  letter-spacing: 1px;
}

.logo span { color: var(--text-main); }

.nav-links { display: flex; gap: 30px; list-style: none; }

.nav-links a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 400;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-3), var(--accent-4));
  transition: width 0.3s;
}

.nav-links a:hover { color: var(--accent-4); }
.nav-links a:hover::after { width: 100%; }

.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 8%;
  position: relative;
  overflow: hidden;
  background: transparent;
}

.hero-badge {
  display: inline-block;
  padding: 8px 22px;
  border: 1px solid var(--accent-3);
  border-radius: 50px;
  font-size: 0.78rem;
  letter-spacing: 3px;
  color: var(--accent-4);
  margin-bottom: 25px;
  opacity: 0;
  animation: fadeUp 0.8s ease 3.6s forwards;
  text-transform: uppercase;
  background: var(--accent-soft);
}

body[data-theme="pixel"] .hero-badge {
  border-radius: 0;
  border-width: 3px;
  font-size: 0.6rem;
  padding: 10px 16px;
  animation: fadeUp 0.4s steps(3, end) 3.6s forwards;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 15px;
  opacity: 0;
  animation: fadeUp 0.9s ease 3.8s forwards;
  color: #ffffff;
}

body[data-theme="pixel"] .hero-title { animation: fadeUp 0.4s steps(3, end) 3.8s forwards; }

.hero-title .accent { color: var(--accent-4); }

body[data-theme="pixel"] .hero-title .accent { text-shadow: 4px 4px 0 var(--accent-3); }

.hero-subtitle {
  font-size: clamp(1rem, 3vw, 1.6rem);
  font-weight: 300;
  color: var(--accent-4);
  letter-spacing: 4px;
  margin-bottom: 35px;
  opacity: 0;
  animation: fadeUp 0.9s ease 4s forwards;
  text-transform: uppercase;
}

body[data-theme="pixel"] .hero-subtitle { animation: fadeUp 0.4s steps(3, end) 4s forwards; }

.hero-desc {
  max-width: 620px;
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  color: var(--text-soft);
  font-weight: 300;
  line-height: 1.9;
  opacity: 0;
  animation: fadeUp 0.9s ease 4.2s forwards;
}

body[data-theme="pixel"] .hero-desc { animation: fadeUp 0.4s steps(3, end) 4.2s forwards; }

.hero-desc strong { color: var(--accent-4); font-weight: 600; }

.hero-btns {
  margin-top: 40px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.9s ease 4.4s forwards;
}

body[data-theme="pixel"] .hero-btns { animation: fadeUp 0.4s steps(3, end) 4.4s forwards; }

section {
  padding: 100px 8%;
  position: relative;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

.section-title span { color: var(--accent-4); }

body[data-theme="pixel"] .section-title span { text-shadow: 3px 3px 0 var(--accent-3); }

.section-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent-4));
  border-radius: 3px;
  margin-bottom: 50px;
}

body[data-theme="pixel"] .section-line { border-radius: 0; height: 4px; background: var(--accent-3); }

.about, .skills, .contact { background: transparent; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  color: var(--text-soft);
  font-weight: 300;
  margin-bottom: 18px;
  font-size: 1rem;
  line-height: 1.9;
}

.about-text strong { color: var(--accent-4); font-weight: 600; }

.info-list { display: grid; gap: 14px; }

.info-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(22, 22, 31, 0.72);
  padding: 16px 22px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-3);
  transition: transform 0.3s ease, box-shadow 0.3s;
  border-top: 1px solid var(--card-border);
  border-right: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}

body[data-theme="default"] .info-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

body[data-theme="pixel"] .info-item {
  border-radius: 0;
  border-width: 3px;
  background: var(--card-bg);
}

body[data-theme="pixel"] .info-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--accent-3);
}

.info-icon {
  font-size: 1.2rem;
  width: 30px;
  text-align: center;
  color: var(--accent-4);
  flex-shrink: 0;
}

.info-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.info-value {
  font-size: 0.95rem;
  color: #ffffff;
  font-weight: 500;
  word-break: break-word;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}

.skill-card {
  background: rgba(22, 22, 31, 0.72);
  padding: 26px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

body[data-theme="default"] .skill-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-3);
  box-shadow: var(--shadow-lg);
}

body[data-theme="pixel"] .skill-card {
  border-width: 3px;
  border-radius: 0;
  background: var(--card-bg);
}

body[data-theme="pixel"] .skill-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--accent-3);
}

.skill-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.skill-name {
  font-weight: 600;
  font-size: 1.05rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-4);
  flex-shrink: 0;
}

body[data-theme="pixel"] .skill-dot { border-radius: 0; background: var(--accent-3); }

.skill-percent {
  font-family: var(--font-mono);
  color: var(--accent-4);
  font-weight: 700;
  font-size: 0.95rem;
}

.skill-bar {
  width: 100%;
  height: 9px;
  background: rgba(255,255,255,0.06);
  border-radius: 10px;
  overflow: hidden;
}

body[data-theme="pixel"] .skill-bar { border-radius: 0; }

.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-2), var(--accent-4));
  border-radius: 10px;
  transition: width 1.2s ease-out;
}

body[data-theme="pixel"] .skill-fill {
  border-radius: 0;
  background: var(--accent-3);
  transition: width 1s steps(8, end);
}

.skill-note {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-dim);
  font-weight: 300;
  letter-spacing: 0.5px;
}

.contact { text-align: center; }

.contact .section-title,
.contact .section-line { margin-left: auto; margin-right: auto; }
.contact .section-line { margin-bottom: 40px; }

.contact-intro {
  max-width: 560px;
  margin: 0 auto 45px;
  color: var(--text-soft);
  font-weight: 300;
  font-size: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  max-width: 900px;
  margin: 0 auto;
}

.contact-card {
  background: rgba(22, 22, 31, 0.72);
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  text-decoration: none;
  color: inherit;
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

body[data-theme="default"] .contact-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-3);
  box-shadow: var(--shadow-lg);
}

body[data-theme="pixel"] .contact-card {
  border-width: 3px;
  border-radius: 0;
  background: var(--card-bg);
}

body[data-theme="pixel"] .contact-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--accent-3);
}

.contact-icon { font-size: 1.5rem; color: var(--accent-4); }

.contact-label {
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.contact-value {
  font-size: 0.9rem;
  color: var(--accent-4);
  font-weight: 500;
  word-break: break-word;
}

footer {
  text-align: center;
  padding: 35px 8% calc(35px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--card-border);
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 300;
  background: transparent;
}

body[data-theme="pixel"] footer { border-top: 3px solid var(--accent-3); }

.reveal {
  opacity: 0;
  transition: opacity 0.55s ease;
}

.reveal.active { opacity: 1; }

body[data-theme="pixel"] .reveal {
  transition: opacity 0.3s steps(4, end);
}