:root {
  --navy: #0a1628;
  --navy2: #111f3a;
  --navy3: #162040;
  --blue: #0078d4;
  --blue2: #00aaff;
  --teal: #00d4aa;
  --white: #f0f4ff;
  --muted: #8899bb;
  --card: #141e35;
  --border: #1e3050;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.35);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  background: var(--navy);
  color: var(--white);
  line-height: 1.65;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,22,40,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 60px;
}
.nav-brand { font-size: 1.1rem; font-weight: 700; color: var(--blue2); letter-spacing: .5px; text-decoration: none; }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .88rem; font-weight: 500; letter-spacing: .3px; transition: color .2s; }
.nav-links a:hover { color: var(--blue2); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--white); margin: 5px 0; border-radius: 2px; transition: .3s; }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #050e1f 0%, #0a1628 50%, #091a35 100%);
  padding: 80px 5% 40px;
  position: relative; overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(0,120,212,0.12) 0%, transparent 65%);
}
.hero-inner { display: flex; align-items: center; gap: 60px; max-width: 1100px; width: 100%; position: relative; }
.hero-photo {
  flex-shrink: 0;
  width: 220px; height: 220px;
  border-radius: 50%;
  border: 3px solid var(--blue2);
  box-shadow: 0 0 40px rgba(0,170,255,0.25);
  object-fit: cover;
}
.hero-text { flex: 1; }
.hero-badge {
  display: inline-block;
  background: rgba(0,170,255,0.1);
  border: 1px solid rgba(0,170,255,0.3);
  color: var(--blue2); font-size: .78rem; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 4px 14px; border-radius: 20px; margin-bottom: 16px;
}
.hero-text h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1.15; margin-bottom: 10px; }
.hero-text h1 span { color: var(--blue2); }
.hero-title { font-size: 1.1rem; color: var(--muted); margin-bottom: 18px; font-weight: 400; }
.hero-summary { font-size: .95rem; color: #aabbd4; max-width: 560px; margin-bottom: 28px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 32px; }
.hero-meta-item { display: flex; align-items: center; gap: 7px; font-size: .83rem; color: var(--muted); }
.hero-meta-item svg { color: var(--teal); }
.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-primary {
  background: var(--blue); color: #fff; text-decoration: none;
  padding: 11px 26px; border-radius: 6px; font-size: .9rem; font-weight: 600;
  transition: background .2s, transform .15s;
}
.btn-primary:hover { background: var(--blue2); transform: translateY(-1px); }
.btn-outline {
  border: 1px solid var(--blue2); color: var(--blue2); text-decoration: none;
  padding: 10px 24px; border-radius: 6px; font-size: .9rem; font-weight: 600;
  transition: background .2s, transform .15s;
}
.btn-outline:hover { background: rgba(0,170,255,0.1); transform: translateY(-1px); }

/* ── SECTIONS ── */
section { padding: 80px 5%; }
section:nth-child(even) { background: var(--navy2); }
.section-label {
  font-size: .75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: var(--teal); margin-bottom: 8px;
}
.section-title { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; margin-bottom: 10px; }
.section-sub { color: var(--muted); font-size: .95rem; max-width: 600px; margin-bottom: 48px; }
.container { max-width: 1100px; margin: 0 auto; }

/* ── ABOUT ── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about-text p { color: #aabbd4; margin-bottom: 14px; font-size: .95rem; }
.clearance-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,212,170,0.1); border: 1px solid rgba(0,212,170,0.3);
  color: var(--teal); padding: 6px 16px; border-radius: 6px;
  font-size: .82rem; font-weight: 600; margin-top: 10px;
}
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  text-align: center;
}
.stat-num { font-size: 2.2rem; font-weight: 800; color: var(--blue2); line-height: 1; }
.stat-label { font-size: .78rem; color: var(--muted); margin-top: 4px; letter-spacing: .3px; }

/* ── SKILLS ── */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.skill-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
  display: flex; align-items: center; gap: 12px;
  transition: border-color .2s, transform .15s;
}
.skill-card:hover { border-color: var(--blue2); transform: translateY(-2px); }
.skill-icon { font-size: 1.4rem; flex-shrink: 0; }
.skill-name { font-size: .88rem; font-weight: 600; color: var(--white); }

/* ── EXPERTISE BLURB ── */
.expertise-blurb {
  background: var(--card); border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 16px 20px; margin-bottom: 36px;
}
.expertise-blurb p { color: #aabbd4; font-size: .93rem; line-height: 1.7; }

/* ── TOOLS ── */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.tool-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px;
  transition: border-color .2s, transform .15s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.tool-card:hover { border-color: var(--blue2); transform: translateY(-3px); box-shadow: var(--shadow); }
.tool-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 12px; }
.tool-name { font-size: 1.05rem; font-weight: 700; color: var(--white); }
.tool-badge {
  font-size: .7rem; font-weight: 700; padding: 3px 9px; border-radius: 12px;
  background: rgba(0,170,255,0.15); color: var(--blue2); border: 1px solid rgba(0,170,255,0.25);
  white-space: nowrap; margin-left: 8px;
}
.tool-badge.green { background: rgba(0,212,170,0.12); color: var(--teal); border-color: rgba(0,212,170,0.25); }
.tool-desc { font-size: .87rem; color: #8899bb; flex: 1; margin-bottom: 14px; }
.tool-feat {
  list-style: none; padding: 0; margin-bottom: 14px;
}
.tool-feat li {
  font-size: .82rem; color: #8899bb; padding: 3px 0 3px 14px; position: relative;
}
.tool-feat li::before { content: '▸'; position: absolute; left: 0; color: var(--teal); }
.tool-stack { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: .72rem; font-weight: 600; padding: 2px 8px; border-radius: 4px;
  background: rgba(255,255,255,0.06); color: var(--muted); border: 1px solid var(--border);
}

/* ── SITES ── */
.sites-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.site-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 22px;
  transition: border-color .2s, transform .15s;
  display: flex; flex-direction: column; gap: 6px;
}
.site-card:hover { border-color: var(--teal); transform: translateY(-2px); }
.site-card a { color: var(--blue2); text-decoration: none; font-weight: 700; font-size: .95rem; }
.site-card a:hover { color: var(--teal); }
.site-desc { font-size: .82rem; color: var(--muted); }
.site-cat {
  font-size: .7rem; font-weight: 700; color: var(--teal); letter-spacing: .5px;
  text-transform: uppercase; margin-top: 2px;
}

/* ── EXPERIENCE ── */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 6px; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-item::before {
  content: ''; position: absolute; left: -34px; top: 5px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--blue2); border: 2px solid var(--navy);
  box-shadow: 0 0 0 3px rgba(0,170,255,0.2);
}
.job-header { margin-bottom: 8px; }
.job-title { font-size: 1rem; font-weight: 700; color: var(--white); }
.job-company { font-size: .9rem; color: var(--blue2); font-weight: 600; margin-top: 2px; }
.job-period { font-size: .78rem; color: var(--muted); margin-top: 2px; }
.job-context { font-size: .85rem; color: #8899bb; margin-bottom: 10px; }
.job-achievements { list-style: none; padding: 0; }
.job-achievements li {
  font-size: .84rem; color: #8899bb; padding: 4px 0 4px 16px;
  position: relative;
}
.job-achievements li::before { content: '▸'; position: absolute; left: 0; color: var(--teal); }

/* ── CONTACT ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info p { color: #aabbd4; margin-bottom: 24px; }
.contact-links { display: flex; flex-direction: column; gap: 14px; }
.contact-link {
  display: flex; align-items: center; gap: 12px;
  color: var(--white); text-decoration: none;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 18px;
  transition: border-color .2s, transform .15s;
  font-size: .9rem;
}
.contact-link:hover { border-color: var(--blue2); transform: translateX(4px); }
.contact-link-icon { font-size: 1.2rem; }
.clearance-info {
  background: var(--card); border: 1px solid rgba(0,212,170,0.3);
  border-radius: var(--radius); padding: 24px;
}
.clearance-info h3 { color: var(--teal); margin-bottom: 10px; font-size: .95rem; }
.clearance-info p { color: #8899bb; font-size: .85rem; margin-bottom: 8px; }

/* ── FOOTER ── */
footer {
  background: #050e1f; border-top: 1px solid var(--border);
  padding: 32px 5%; text-align: center;
  color: var(--muted); font-size: .82rem;
}
footer a { color: var(--blue2); text-decoration: none; }

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  .hero-inner { flex-direction: column; text-align: center; gap: 30px; }
  .hero-btns { justify-content: center; }
  .hero-meta { justify-content: center; }
  .hero-photo { width: 160px; height: 160px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: rgba(10,22,40,0.98); padding: 20px 5%; gap: 16px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
}
@media (max-width: 520px) {
  section { padding: 60px 4%; }
  .tools-grid, .sites-grid { grid-template-columns: 1fr; }
}