:root{
  --navy: #0f172a;
  --navy-light: #1e293b;
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --teal: #0ea5a4;
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
  --max-width: 1080px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.08);
}

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

html{ scroll-behavior: smooth; }

body{
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3{ font-weight: 700; letter-spacing: -0.02em; }

a{ color: var(--blue); text-decoration: none; }
a:hover{ text-decoration: underline; }

/* Navbar */
.navbar{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.navbar-inner{
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}

.brand{
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}
.brand:hover{ text-decoration: none; opacity: 0.85; }

.nav-links{
  display: flex;
  gap: 28px;
  margin-left: 8px;
  flex: 1;
}

.nav-links a{
  color: #cbd5e1;
  font-size: 0.92rem;
  font-weight: 500;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active{
  color: #fff;
  text-decoration: none;
}

.nav-cta{
  margin-left: auto;
}

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  height: 2px;
  width: 100%;
  background: #fff;
  border-radius: 2px;
}

/* Buttons */
.btn{
  display: inline-block;
  background: var(--blue);
  color: #fff;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.15s ease, transform 0.15s ease;
}
.btn:hover{
  background: var(--blue-light);
  text-decoration: none;
  transform: translateY(-1px);
}
.btn-small{
  padding: 8px 16px;
  font-size: 0.85rem;
}
.btn-outline{
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--navy);
  border-color: var(--border);
}
.btn-outline:hover{
  background: var(--navy);
  color: #fff;
}

/* Hero */
.hero{
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-light) 60%, #1e3a5f 100%);
  color: #fff;
  padding: 72px 0 56px;
}

.eyebrow{
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 10px;
}

.hero h1{
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 10px;
}

.role-title{
  font-size: 1.05rem;
  color: #cbd5e1;
  margin-bottom: 22px;
}

.hero-summary{
  max-width: 760px;
  color: #e2e8f0;
  font-size: 1rem;
  margin-bottom: 32px;
}

.contact-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 32px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 32px;
}

.contact-item{
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-item a, .contact-item span{
  color: #f1f5f9;
  font-size: 0.95rem;
  word-break: break-word;
}
.contact-item a{ color: #7dd3fc; }

.contact-label{
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  font-weight: 600;
}

.contact-item-wide{
  grid-column: 1 / -1;
}

.hero-actions{
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-actions .btn-outline{
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
}
.hero-actions .btn-outline:hover{
  background: #fff;
  color: var(--navy);
}

/* Sections */
.section{
  padding: 72px 0;
}
.section-alt{
  background: #eef2f7;
}
.section h2{
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 12px;
}
.section-intro{
  color: var(--text-muted);
  max-width: 700px;
  margin-bottom: 36px;
}

/* Timeline / Experience */
.timeline{
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 28px;
}

.job{
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow);
}

.job-head{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.job-head h3{
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.job-company{
  color: var(--blue);
  font-weight: 600;
  font-size: 0.92rem;
}

.job-dates{
  flex-shrink: 0;
  background: #eef2f7;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.job-summary{
  color: var(--text-muted);
  font-size: 0.94rem;
  font-style: italic;
  margin-bottom: 14px;
}

.job-achievements{
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.job-achievements li{
  font-size: 0.93rem;
  color: var(--text);
}

/* Education */
.education-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.edu-card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  position: relative;
}

.edu-year{
  display: inline-block;
  background: var(--navy);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.edu-card h3{
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.edu-card p{
  color: var(--text-muted);
  margin-bottom: 12px;
}

.edu-status{
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--teal);
  border: 1px solid var(--teal);
  padding: 3px 10px;
  border-radius: 999px;
}

/* Skills */
.skills-groups{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
  margin-top: 12px;
}

.skill-group{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
}

.skill-group h3{
  font-size: 0.98rem;
  margin-bottom: 14px;
  color: var(--navy);
}

.tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag{
  background: #eaf1ff;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid #d6e4ff;
}

/* Footer */
.site-footer{
  background: var(--navy);
  color: #cbd5e1;
  padding: 40px 0;
  text-align: center;
}
.footer-inner p{ margin-bottom: 8px; font-size: 0.9rem; }
.footer-contact a{ color: #7dd3fc; }
.footer-note{ color: #64748b; font-size: 0.8rem; margin-top: 12px; }

/* Responsive */
@media (max-width: 860px){
  .nav-links{
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    transform: translateY(-150%);
    transition: transform 0.2s ease;
  }
  .nav-links.open{ transform: translateY(0); }
  .nav-links a{
    padding: 14px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-cta{ display: none; }
  .nav-toggle{ display: flex; }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media print{
  .navbar, .hero-actions, .nav-toggle{ display: none; }
  .hero{ background: none; color: var(--text); }
  .job, .edu-card, .skill-group{ box-shadow: none; break-inside: avoid; }
}