/* ══════════════════════════════════════════
   LUKAS HENRIQUE — PORTFOLIO
   Paleta: Dark Navy + Cyan + Metallic
   ══════════════════════════════════════════ */

:root {
  --bg:          #080d1a;
  --bg-card:     #0d1528;
  --bg-dark:     #060b15;
  --cyan:        #00d4ff;
  --cyan-dim:    #00a8cc;
  --cyan-glow:   rgba(0, 212, 255, 0.15);
  --blue:        #0055bb;
  --blue-mid:    #003d8f;
  --metal:       #8899bb;
  --metal-light: #c0ceea;
  --text:        #d0daf0;
  --text-muted:  #6a7a99;
  --text-dim:    #3d4f6e;
  --border:      rgba(0, 212, 255, 0.12);
  --border-card: rgba(0, 212, 255, 0.08);
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 32px rgba(0, 0, 0, 0.5);
  --shadow-cyan: 0 0 32px rgba(0, 212, 255, 0.15);
  --font:        'Inter', system-ui, sans-serif;
  --mono:        'JetBrains Mono', 'Courier New', monospace;
  --nav-h:       64px;
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── UTILS ── */
.mono { font-family: var(--mono); }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ══════════════════════════════════════════
   SCROLLBAR
   ══════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

/* ══════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(8, 13, 26, 0.92);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}
.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.05em;
}
.logo-bracket { color: var(--cyan); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--metal);
  padding: 6px 12px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan);
  padding: 7px 16px;
  border: 1px solid var(--cyan);
  border-radius: 6px;
  margin-left: 8px;
  transition: background var(--transition), color var(--transition);
}
.nav-cta:hover { background: var(--cyan); color: var(--bg); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ══════════════════════════════════════════
   HERO
   ══════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding-top: var(--nav-h);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1140px;
  margin: 0 auto;
  padding: 80px 24px 60px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--cyan);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 20px;
  padding: 4px 12px;
  margin-bottom: 24px;
  letter-spacing: 0.03em;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}
.hero-name {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 12px;
}
.hero-surname { color: var(--cyan); }
.hero-titles {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--metal-light);
  margin-bottom: 16px;
  min-height: 1.6em;
}
.hero-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-family: var(--mono);
  margin-bottom: 36px;
  letter-spacing: 0.02em;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--bg);
  background: var(--cyan);
  padding: 12px 24px;
  border-radius: 8px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,212,255,0.3);
  background: #33deff;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  padding: 12px 24px;
  border-radius: 8px;
  border: 1px solid var(--border-card);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-glow); }
.btn-large { font-size: 1rem; padding: 16px 36px; }
.hero-stats {
  display: flex;
  gap: 32px;
  align-items: center;
}
.stat { text-align: left; }
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--cyan);
  font-family: var(--mono);
  line-height: 1;
}
.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Photo frame */
.hero-photo { display: flex; justify-content: center; }
.photo-frame {
  position: relative;
  width: 280px;
  height: 280px;
}
.photo-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.2);
  animation: spin linear infinite;
}
.ring-1 { inset: -20px; animation-duration: 20s; }
.ring-2 { inset: -10px; animation-duration: 15s; animation-direction: reverse; border-style: dashed; }
.ring-3 { inset: -35px; animation-duration: 30s; border-color: rgba(0,212,255,0.08); }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.profile-img {
  width: 280px;
  height: 280px;
  object-fit: cover;
  object-position: top;
  border-radius: 50%;
  border: 3px solid rgba(0,212,255,0.3);
  box-shadow: 0 0 60px rgba(0,212,255,0.15), 0 20px 60px rgba(0,0,0,0.5);
}
.photo-label {
  position: absolute;
  bottom: -36px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  background: var(--bg-card);
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-card);
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-bar {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scrollAnim 1.5s ease-in-out infinite;
}
@keyframes scrollAnim {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ══════════════════════════════════════════
   SECTIONS
   ══════════════════════════════════════════ */
.section { padding: 100px 0; }
.section-dark { background: var(--bg-dark); }
.section-header { margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--cyan);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
  opacity: 0.8;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.1;
}
.section-sub {
  margin-top: 12px;
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
}

/* ══════════════════════════════════════════
   ABOUT
   ══════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 56px;
  align-items: start;
}
.about-lead {
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.7;
}
.about-text p {
  color: var(--metal);
  margin-bottom: 16px;
  line-height: 1.75;
}
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.tag {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  padding: 6px 14px;
  transition: border-color var(--transition), color var(--transition);
}
.tag:hover { border-color: var(--cyan); color: var(--cyan); }
.about-cards { display: flex; flex-direction: column; gap: 12px; }
.info-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: border-color var(--transition), transform var(--transition);
}
.info-card:hover { border-color: rgba(0,212,255,0.25); transform: translateX(4px); }
.info-icon { font-size: 1.4rem; flex-shrink: 0; }
.info-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.info-value { font-size: 0.9rem; font-weight: 500; color: var(--text); margin-top: 2px; }

/* ══════════════════════════════════════════
   SKILLS
   ══════════════════════════════════════════ */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--transition);
}
.skill-category:hover { border-color: rgba(0,212,255,0.2); }
.category-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.cat-icon { font-size: 1.2rem; }
.skill-bars { display: flex; flex-direction: column; gap: 18px; }
.skill-item {}
.skill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.85rem;
}
.skill-header span:first-child { color: var(--text); font-weight: 500; }
.skill-level { color: var(--text-muted); font-size: 0.75rem; font-family: var(--mono); }
.skill-bar {
  height: 5px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 3px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px rgba(0,212,255,0.4);
}
.skill-note { font-size: 0.72rem; color: var(--cyan); margin-top: 16px; opacity: 0.7; }
.skill-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.soft-card {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.82rem;
  color: var(--metal);
  transition: border-color var(--transition), color var(--transition);
}
.soft-card:hover { border-color: rgba(0,212,255,0.2); color: var(--text); }
.soft-icon { font-size: 1rem; }

/* ══════════════════════════════════════════
   HOME LAB
   ══════════════════════════════════════════ */
.homelab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.lab-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.lab-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.lab-card:hover { border-color: rgba(0,212,255,0.25); transform: translateY(-4px); box-shadow: var(--shadow-cyan); }
.lab-card:hover::before { opacity: 1; }
.lab-featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card), rgba(0,85,187,0.1));
  border-color: rgba(0,212,255,0.15);
}
.lab-icon { font-size: 2rem; margin-bottom: 14px; }
.lab-card h4 { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.lab-card p { font-size: 0.875rem; color: var(--metal); line-height: 1.6; }

/* ══════════════════════════════════════════
   TIMELINE
   ══════════════════════════════════════════ */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--cyan), var(--blue), transparent);
  transform: translateX(-50%);
  opacity: 0.4;
}
.tl-item {
  display: flex;
  justify-content: flex-end;
  padding-bottom: 40px;
  position: relative;
}
.tl-item.tl-right { justify-content: flex-start; }
.tl-dot {
  position: absolute;
  left: 50%;
  top: 20px;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: var(--cyan);
  border-radius: 50%;
  border: 2px solid var(--bg-dark);
  box-shadow: 0 0 12px rgba(0,212,255,0.5);
  z-index: 1;
}
.tl-card {
  width: calc(50% - 40px);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: border-color var(--transition), transform var(--transition);
}
.tl-left .tl-card { margin-right: 40px; }
.tl-right .tl-card { margin-left: 40px; }
.tl-card:hover { border-color: rgba(0,212,255,0.25); transform: scale(1.01); }
.tl-year {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.tl-card h4 { font-size: 0.95rem; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.tl-org { display: block; font-size: 0.78rem; color: var(--text-muted); margin-bottom: 8px; }
.tl-card p { font-size: 0.82rem; color: var(--metal); line-height: 1.55; }
.tl-badge {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--cyan);
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 4px;
  padding: 2px 8px;
}

/* ══════════════════════════════════════════
   CERTIFICATES
   ══════════════════════════════════════════ */
.cert-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}
.cert-filter {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--border-card);
  background: transparent;
  transition: all var(--transition);
}
.cert-filter:hover { color: var(--text); border-color: rgba(255,255,255,0.15); }
.cert-filter.active { color: var(--bg); background: var(--cyan); border-color: var(--cyan); }
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.cert-card:hover { transform: translateY(-4px); border-color: rgba(0,212,255,0.25); box-shadow: var(--shadow-cyan); }
.cert-card.hidden { display: none; }
.cert-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #0a1220;
}
.cert-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.cert-card:hover .cert-img-wrap img { transform: scale(1.04); }
.cert-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,13,26,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.cert-card:hover .cert-overlay { opacity: 1; }
.cert-view {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--cyan);
  padding: 8px 20px;
  border-radius: 6px;
  transition: transform var(--transition);
}
.cert-view:hover { transform: scale(1.04); }
.cert-info { padding: 16px 18px; }
.cert-cat {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.cat-educacao { background: rgba(0,136,255,0.15); color: #4db8ff; }
.cat-tecnologia { background: rgba(0,212,255,0.12); color: var(--cyan); }
.cat-ciencia { background: rgba(138,43,226,0.15); color: #c084fc; }
.cat-idioma { background: rgba(0,200,100,0.15); color: #4ade80; }
.cat-outros { background: rgba(255,165,0,0.12); color: #fbbf24; }
.cert-info h4 { font-size: 0.9rem; font-weight: 600; color: var(--text); margin-bottom: 6px; line-height: 1.35; }
.cert-org { display: block; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 2px; }
.cert-date { font-size: 0.72rem; color: var(--text-dim); font-family: var(--mono); }

/* ══════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.contact-card:hover { border-color: rgba(0,212,255,0.25); transform: translateY(-4px); }
.contact-icon { font-size: 2rem; margin-bottom: 12px; }
.contact-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 8px; }
.contact-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  word-break: break-all;
  transition: color var(--transition);
}
a.contact-value:hover { color: var(--cyan); }
.contact-cta { text-align: center; }

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }
.footer-built { font-size: 0.8rem; color: var(--text-dim); }

/* ══════════════════════════════════════════
   LIGHTBOX
   ══════════════════════════════════════════ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 8, 16, 0.92);
  backdrop-filter: blur(8px);
}
.lightbox-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transform: scale(0.95);
  transition: transform var(--transition);
}
.lightbox.open .lightbox-content { transform: scale(1); }
.lightbox-close {
  position: absolute;
  top: 12px; right: 12px;
  font-size: 1rem;
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  transition: color var(--transition), background var(--transition);
}
.lightbox-close:hover { color: var(--text); background: rgba(255,255,255,0.12); }
.lightbox-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  padding-right: 40px;
}
.lightbox-img {
  width: 100%;
  border-radius: 8px;
  object-fit: contain;
  max-height: 70vh;
}

/* ══════════════════════════════════════════
   ANIMATIONS — SCROLL REVEAL
   ══════════════════════════════════════════ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-photo { order: -1; }
  .photo-frame { width: 200px; height: 200px; }
  .profile-img { width: 200px; height: 200px; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-categories { grid-template-columns: 1fr; }
  .homelab-grid { grid-template-columns: repeat(2, 1fr); }
  .lab-featured { grid-column: span 2; }
  .contact-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
}
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: fixed; top: var(--nav-h); left: 0; right: 0; background: var(--bg-dark); padding: 16px 24px 24px; border-bottom: 1px solid var(--border); gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-content { padding: 60px 24px 40px; text-align: center; }
  .hero-badge { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .timeline::before { left: 20px; }
  .tl-item, .tl-item.tl-right { justify-content: flex-end; padding-left: 52px; }
  .tl-dot { left: 20px; }
  .tl-card, .tl-left .tl-card, .tl-right .tl-card { width: 100%; margin: 0; }
  .homelab-grid { grid-template-columns: 1fr; }
  .lab-featured { grid-column: span 1; }
  .footer-content { justify-content: center; text-align: center; }
}
@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .hero-name { font-size: 2.8rem; }
  .certs-grid { grid-template-columns: 1fr; }
  .skill-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 16px; flex-wrap: wrap; }
  .stat-divider { display: none; }
}