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

:root {
  --hue:         210;
  --bg:          #0a0a0a;
  --border:      #1e1e1e;
  --border-h:    #2e2e2e;
  --accent:        hsl(var(--hue), 100%, 60%);
  --accent-dim:    hsla(var(--hue), 100%, 60%, 0.12);
  --accent-glow:   hsla(var(--hue), 100%, 60%, 0.07);
  --accent-badge:  hsla(var(--hue), 100%, 60%, 0.10);
  --accent-icon:   hsla(var(--hue), 100%, 60%, 0.12);
  --text:        #e8e8e8;
  --muted:       #505050;
  --muted-2:     #909090;
  --radius:      14px;
  --py:     #3572A5;
  --js:     #f0c020;
  --html:   #e44d26;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Ubuntu', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}


#bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Hero ── */
.hero {
  padding: 80px 0 64px;
  text-align: center;
}

.hero-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 3px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  margin: 0 auto 24px;
  letter-spacing: -1px;
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: white;
  line-height: 1.15;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  margin-top: 16px;
  font-size: 1.05rem;
  color: var(--muted-2);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.hero-links {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: none;
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.bright-accent .btn-primary {
  text-shadow:
    -1px -1px 0 rgba(0,0,0,0.18),
     0   -1px 0 rgba(0,0,0,0.18),
     1px -1px 0 rgba(0,0,0,0.18),
     1px  0   0 rgba(0,0,0,0.18),
     1px  1px 0 rgba(0,0,0,0.18),
     0    1px 0 rgba(0,0,0,0.18),
    -1px  1px 0 rgba(0,0,0,0.18),
    -1px  0   0 rgba(0,0,0,0.18);
}
.btn-ghost {
  background: transparent;
  color: var(--muted-2);
  border: 1px solid var(--border);
}

/* ── Section heading ── */
.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.section-label h2 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Cards grid ── */
.projects {
  padding-bottom: 80px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.card {
  cursor: pointer;
  background: rgba(255,255,255,0.05);
  border: 3px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  animation: fadeUp 0.5s ease both;
}

@media (hover: hover) {
  .card:hover {
    background: var(--accent-dim);
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 24px var(--accent-glow);
  }
}

.card.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 24px var(--accent-glow);
}

.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.10s; }
.card:nth-child(3) { animation-delay: 0.15s; }
.card:nth-child(4) { animation-delay: 0.20s; }
.card:nth-child(5) { animation-delay: 0.25s; }
.card:nth-child(6) { animation-delay: 0.30s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.lang-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 20px;
  background: rgba(255,255,255,0.06);
  color: var(--muted-2);
}

.lang-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.card p {
  font-size: 0.875rem;
  color: var(--muted-2);
  line-height: 1.55;
  flex: 1;
}

.card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
  border-radius: 6px;
}

/* ── GitHub icon ── */
.icon-gh {
  display: inline-block;
  width: 15px;
  height: 15px;
  vertical-align: middle;
  fill: currentColor;
}


/* ── Responsive ── */
@media (max-width: 480px) {
  .hero { padding: 56px 0 48px; }
  .grid { grid-template-columns: 1fr; }
}