/* Sections: about, skills, projects, footer, reveal + keyframes */
/* ============ SECTIONS ============ */
.section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 7rem 3vw 3rem;
}

.sub-heading {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin: 2.8rem 0 1.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.sub-heading:first-of-type { margin-top: 1.6rem; }
.sub-heading .dot { color: var(--accent); }

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.8;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1rem;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s;
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.4);
}

.stat-num, .stat-plus {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label {
  display: block;
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ============ SKILLS ============ */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.skill-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  font-weight: 500;
}
.skill-pct { color: var(--accent); font-family: var(--font-display); }

.bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 99px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0;
  background: var(--gradient);
  border-radius: 99px;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============ PROJECTS ============ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: border-color 0.3s;
}
.card:hover { border-color: rgba(34, 211, 238, 0.35); }

.card-thumb {
  position: relative;
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* subtle dot-grid texture layered over the thumb gradients */
.card-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 18px 18px;
}

/* inline-SVG project icons (replace the old big numbers) */
.card-thumb svg {
  position: relative;
  width: 74px;
  height: 74px;
  color: rgba(255, 255, 255, 0.9);
  filter: drop-shadow(0 0 14px rgba(255, 255, 255, 0.35));
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.card:hover .card-thumb svg { transform: scale(1.1) translateY(-3px); }
.thumb-1 { background: linear-gradient(135deg, rgba(34, 211, 238, 0.25), rgba(34, 211, 238, 0.05)); }
.thumb-2 { background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(139, 92, 246, 0.05)); }
.thumb-3 { background: linear-gradient(135deg, rgba(236, 72, 153, 0.3), rgba(236, 72, 153, 0.05)); }
.thumb-4 { background: linear-gradient(135deg, rgba(52, 211, 153, 0.3), rgba(52, 211, 153, 0.05)); }

.card-body { padding: 1.4rem; }
.card-body h3 {
  font-family: var(--font-display);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}
.card-body p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tags span {
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
}

/* ============ FOOTER ============ */
.footer {
  text-align: center;
  padding: 3rem 3vw;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

/* ============ REVEAL ANIMATIONS ============ */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger children */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ============ KEYFRAMES ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes wheel {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(12px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}