:root{
  --bg: #070B14;
  --panel: rgba(255,255,255,0.06);
  --panel-strong: rgba(255,255,255,0.10);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.68);
  --line: rgba(255,255,255,0.12);
  --accent: #4AA3FF;
  --accent2: #2B63FF;
  --shadow: 0 18px 50px rgba(0,0,0,0.35);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(900px 600px at 80% 15%, rgba(74,163,255,0.18), transparent 55%),
              radial-gradient(700px 500px at 10% 30%, rgba(43,99,255,0.16), transparent 55%),
              var(--bg);
  color: var(--text);
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }

.container{
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.section{
  padding: 84px 0;
  position: relative;
  display: block;
  width: 100%;
  clear: both;
}

.section h2{
  width: 100%;
  display: block;
}

h1{
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  margin: 10px 0 12px;
  letter-spacing: 0.3px;
}

h2{
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  margin: 0 0 18px;
}

h3{
  margin: 0 0 10px;
}

.muted{ color: var(--muted); }
.mt{ margin-top: 14px; }
.hint{ color: var(--muted); font-size: 0.92rem; margin-top: 18px; }

/* Top bar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(7,11,20,0.72);
  border-bottom: 1px solid var(--line);
}

.topbar-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 4px rgba(74,163,255,0.12);
}

.nav{
  display:flex;
  gap: 18px;
  align-items:center;
}

.nav a{
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover{ color: var(--text); text-decoration: none; }

.nav-cta{
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
}

.nav-cta:hover{
  border-color: rgba(74,163,255,0.55);
}

.nav-toggle{
  display:none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
}

/* Hero */
.hero{
  padding-top: 72px;
  padding-bottom: 64px;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 26px;
  align-items: start;
}

.eyebrow{
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
}

.subtitle{
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.6;
  margin: 0 0 14px;
}

.hero-tags{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 18px;
}

.tag{
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.78);
  font-size: 0.9rem;
}

.hero-actions{
  display:inline-flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 10px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  text-decoration:none;
  box-shadow: none;
}

.btn:hover{
  border-color: rgba(74,163,255,0.55);
  text-decoration:none;
}

.btn.primary{
  background: linear-gradient(135deg, rgba(74,163,255,0.98), rgba(43,99,255,0.98));
  border: none;
  box-shadow: var(--shadow);
}

.btn.ghost{ background: transparent; }

.btn.small{
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.92rem;
}

.hero-links{
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.sep{ opacity: 0.6; margin: 0 8px; }

.hero-card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.card-title{
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.bullets{
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(255,255,255,0.78);
  line-height: 1.6;
}

/* Profile Image */
.hero-image{
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.hero-image img{
  width: 320px;
  height: 320px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid rgba(74,163,255,0.7);
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

/* Panels / layout */
.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.panel{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.chips{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.78);
  font-size: 0.9rem;
}

/* Timeline */
.timeline{
  display:grid;
  gap: 12px;
}

.job{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 4px 12px;
}

.job summary{
  cursor: pointer;
  list-style: none;
  padding: 12px 6px;
  display:flex;
  justify-content: space-between;
  gap: 12px;
}

.job summary::-webkit-details-marker{ display: none; }

.job-title{ font-weight: 700; }

.job-meta{
  color: var(--muted);
  font-size: 0.95rem;
}

.job ul{ margin: 0 0 12px; }

/* Cards (global) */
.section-head{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.cards{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
  align-items: start;
}

.card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  transition: transform 180ms ease, border-color 180ms ease;
  height: 100%;
}

.card:hover{
  transform: translateY(-2px);
  border-color: rgba(74,163,255,0.35);
}

.card-actions{
  display:flex;
  gap: 10px;
  margin-top: 14px;
}

/* ===== Portfolio layout fix (scoped to #projects only) ===== */
/* Portfolio: force 2 columns on desktop */
#projects .cards{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

/* Portfolio: 1 column on mobile */
@media (max-width: 920px){
  #projects .cards{
    grid-template-columns: 1fr;
  }
}

#projects .card{
  display: flex;
  flex-direction: column;
}

#projects .card-actions{
  margin-top: auto;
  padding-top: 14px;
}

#projects .card-img{
  width: 100%;
  height: 190px;
  object-fit: cover;
  border-radius: 14px;
  margin: 14px 0 10px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(0,0,0,0.35);
}

@media (max-width: 520px){
  #projects .card-img{ height: 160px; }
}

/* ===== Achievement Images ===== */
.achievement-images{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 16px;
}

.achievement-images img{
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(0,0,0,0.35);
  transition: transform 0.3s ease;
}

.achievement-images img:hover{ transform: scale(1.02); }
.achievement-images img{
  background: rgba(255,255,255,0.04);
}
@media (max-width: 720px){
  .achievement-images{ grid-template-columns: 1fr; }
  .achievement-images img{ height: 200px; }
}

/* Contact */
.contact-list{
  display:grid;
  gap: 10px;
  margin-top: 14px;
}

.contact-list .k{
  display:inline-block;
  width: 84px;
  color: var(--muted);
}

.contact-list .v{ color: rgba(255,255,255,0.82); }

.form label{
  display:block;
  margin-bottom: 12px;
  color: rgba(255,255,255,0.82);
}

input, textarea{
  width: 100%;
  margin-top: 8px;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.22);
  color: var(--text);
  outline: none;
}

input:focus, textarea:focus{
  border-color: rgba(74,163,255,0.55);
}

/* Footer */
.footer{
  padding: 26px 0;
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,0.12);
}

.footer-inner{
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 10px;
  color: var(--muted);
}

.footer-links a{ color: var(--muted); }
.footer-links a:hover{ color: var(--text); text-decoration:none; }

/* Glow */
.glow{
  pointer-events:none;
  position:absolute;
  inset: 0;
  background: radial-gradient(800px 500px at 50% 20%, rgba(74,163,255,0.10), transparent 60%);
}

/* Mobile */
@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .section-head{ flex-direction: column; align-items: flex-start; }
}

@media (max-width: 720px){
  .nav{ display:none; }
  .nav.open{
    display:flex;
    position:absolute;
    right: 4vw;
    top: 64px;
    flex-direction: column;
    background: rgba(7,11,20,0.95);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 12px;
    width: min(320px, 92vw);
  }
  .nav-toggle{ display:inline-flex; }
}
/* Publications/Achievements: stack cards vertically so images have space */
#publications .cards{
  grid-template-columns: 1fr;
  gap: 18px;
}

/* Make the FNBO images bigger when stacked */
#publications .achievement-images img{
  height: 320px;
}

@media (max-width: 720px){
  #publications .achievement-images img{
    height: 220px;
  }
}
/* Stack layout for Publications & Services */
.stacked-cards {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

#publications .achievement-images {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 18px;
}

#publications .achievement-images img {
  width: 100%;
  height: auto;          /* IMPORTANT */
  object-fit: contain;   /* IMPORTANT */
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}
.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
}