html { scroll-behavior: smooth; scroll-padding-top: 80px; font-size: 112.5%; }
body { min-height: 100vh; }

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--gold-400);
  text-decoration: none;
  letter-spacing: var(--tracking-wider);
}
.nav-links {
  display: flex;
  gap: var(--space-1);
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: all var(--duration-fast) var(--ease-out);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--gold-400);
  background: rgba(251, 191, 36, 0.08);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--gold-400);
  cursor: pointer;
  padding: var(--space-2);
}
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 11, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--space-4);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: var(--space-3) var(--space-4); }
}

/* Hero */
.hero {
  padding: calc(64px + var(--space-20)) var(--space-6) var(--space-16);
  max-width: 1200px;
  margin: 0 auto;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: url('mike_alpha_sm.png') no-repeat right center / contain;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--surface-0) 40%, transparent 100%);
  pointer-events: none;
}
.hero-content { flex: 1; position: relative; z-index: 1; }
.hero-portrait { display: none; }
.hero-greeting {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--gold-400);
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-4);
}
.hero-name {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
  margin-bottom: var(--space-6);
}
.hero-name .gold { color: var(--gold-400); }
.hero-tagline {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 640px;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}
.hero-actions { display: flex; gap: var(--space-4); flex-wrap: wrap; }

@media (max-width: 768px) {
  .hero { flex-direction: column; text-align: center; min-height: auto; background-image: none; }
  .hero::before { display: none; }
  .hero-portrait { display: block; width: 180px; height: 180px; margin: 0 auto var(--space-8); border-radius: var(--radius-2xl); overflow: hidden; border: 2px solid var(--border-gold); box-shadow: var(--glow-gold); }
  .hero-portrait img { width: 100%; height: 100%; object-fit: cover; display: block; filter:grayscale();}
  .hero-tagline { max-width: 100%; }
  .hero-actions { justify-content: center; }
}

/* Sections */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
}
.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}
.section-header h2 {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: var(--tracking-wide);
}
.section-header .line {
  flex: 1;
  height: 1px;
  background: var(--border-default);
}
.section-header .num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  letter-spacing: var(--tracking-wider);
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: var(--space-6); }
.timeline-item {
  position: relative;
  padding-left: var(--space-8);
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold-400);
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.4);
}
.timeline-item::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 22px;
  bottom: -20px;
  width: 2px;
  background: var(--border-subtle);
}
.timeline-item:last-child::after { display: none; }
.timeline-date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--gold-400);
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-1);
}
.timeline-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.timeline-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Skill badges */
.skill-group { margin-bottom: var(--space-6); }
.skill-group:last-child { margin-bottom: 0; }
.skill-group-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.skill-badges { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* Personal info */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
}
.info-item label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--space-2);
}
.info-item span {
  font-size: var(--text-base);
  color: var(--text-primary);
}
.info-item a {
  color: var(--gold-400);
  text-decoration: none;
}
.info-item a:hover { text-decoration: underline; }

/* Links section */
.link-card {
  display: block;
  padding: var(--space-6);
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out);
}
.link-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--glow-gold);
  transform: translateY(-2px);
}
.link-card h4 {
  font-size: var(--text-base);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.link-card span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--gold-400);
}

/* Strengths list */
.strengths-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-3);
  list-style: none;
}
.strengths-list li {
  position: relative;
  padding-left: var(--space-8);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}
.strengths-list li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--gold-400);
  font-size: var(--text-base);
}

/* Achievement cards */
.achievement-card {
  padding: var(--space-6);
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  border-left: 3px solid var(--gold-400);
}
.achievement-year {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--gold-400);
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-2);
}
.achievement-img {
  width: 250px;
  height: 250px;
  object-fit: cover;
  display: block;
  margin: var(--space-4) auto;
  border-radius: var(--radius-md);
  filter: drop-shadow(var(--shadow-md));
  transition: transform var(--duration-normal) var(--ease-out);
}
.achievement-img:hover {
  transform: scale(1.05);
}
.achievement-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Topic cards */
.topic-card { padding: var(--space-5); }
.topic-card:hover { transform: translateY(-2px); }
.topic-title {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gold-400);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}
.topic-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.topic-list li {
  position: relative;
  padding-left: var(--space-6);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}
.topic-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--gold-400);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-8) var(--space-6);
  text-align: center;
}
.footer p {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  max-width: 800px;
  margin: 0 auto;
  line-height: var(--leading-relaxed);
}

/* Scroll animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .grid-4 { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .section { padding: var(--space-10) var(--space-4); }
  .hero { padding: calc(64px + var(--space-12)) var(--space-4) var(--space-10); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .strengths-list { grid-template-columns: 1fr; }
}

@media print {
  * {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
    filter: none !important;
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  body {
    font-family: 'Inter', 'Georgia', serif;
    font-size: 11pt;
    line-height: 1.5;
    color: #000;
  }

  img { filter: none !important; }

  .nav, .nav-toggle, .btn-gold, .btn-ghost, .hero-actions, .glow-line {
    display: none !important;
  }

  .hero {
    padding: 0 0 1.5rem;
    min-height: auto;
    background: none !important;
  }
  .hero::before { display: none !important; }
  .hero-content { max-width: 100%; }
  .hero-portrait {
    display: block !important;
    width: 120px;
    height: 120px;
    margin: 0 0 1rem;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid #ccc;
  }
  .hero-portrait img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .hero-greeting { color: #555 !important; }
  .hero-name .gold { color: #000 !important; }
  .hero-tagline { color: #333 !important; max-width: 100%; }

  .section { padding: 1.25rem 0; }
  .section-header .line { background: #ccc !important; }
  .section-header .num { color: #666 !important; }
  .section-header h2 { color: #000 !important; }

  .timeline-item::before { background: #000 !important; box-shadow: none !important; }
  .timeline-item::after { background: #ccc !important; }
  .timeline-date { color: #555 !important; }
  .timeline-title { color: #000 !important; }
  .timeline-desc { color: #333 !important; }

  .card, .achievement-card, .link-card {
    border: 1px solid #ccc !important;
    border-radius: 4px;
    padding: 0.75rem;
    background: transparent !important;
  }
  .card:hover, .achievement-card:hover, .link-card:hover {
    transform: none !important;
    border-color: #ccc !important;
    box-shadow: none !important;
  }

  .achievement-card { border-left: 3px solid #000 !important; }
  .achievement-year { color: #555 !important; }
  .achievement-text { color: #333 !important; }
  .achievement-img { margin: 0.5rem auto; max-width: 120px; height: auto; }

  .badge {
    border: 1px solid #999 !important;
    border-radius: 3px;
    padding: 1px 5px;
    color: #000 !important;
  }
  .badge-gold, .badge-cyan, .badge-green, .badge-magenta {
    color: #000 !important;
    border: 1px solid #999 !important;
  }

  .skill-group-label { color: #555 !important; }
  .info-item label { color: #555 !important; }
  .info-item span { color: #000 !important; }
  .info-item a { color: #000 !important; text-decoration: underline; }
  .strengths-list li { color: #333 !important; }
  .strengths-list li::before { color: #000 !important; }

  .link-card h4 { color: #000 !important; }
  .link-card span { color: #555 !important; }
  a[href]:not(.nav-logo):not(.nav-links a)::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #555 !important;
  }

  .footer { border-top: 1px solid #ccc !important; }
  .footer p { color: #555 !important; }

  .reveal, .reveal.visible {
    opacity: 1 !important;
    transform: none !important;
  }

  h2, h3, h4 { page-break-after: avoid; }
  .section, .timeline-item, .card, .achievement-card { page-break-inside: avoid; }
}