/* ==== Design tokens ==== */
:root{
  --bg:#080b11;  /* Darker background */
  --bg-soft:#0f1320;
  --card:#0f1423;
  --text:#e6edf3;
  --muted:#a3b1c6;
  --primary:#7c9cff;
  --accent:#64f4ac;
  --border:#1b2236;
  --pill:#151b2f;
  --shadow:0 10px 30px rgba(0,0,0,.4);
}

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1400px 800px at 80% -10%, rgba(100,244,172,.12), transparent 60%),
    radial-gradient(1000px 700px at -10% 10%, rgba(124,156,255,.15), transparent 50%),
    radial-gradient(800px 800px at 50% 50%, rgba(124,156,255,.08), transparent 70%),
    var(--bg);
  line-height:1.65;
  position: relative;
}

/* Add subtle grain texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.08'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.4;
  z-index: 1;
}

main {
  position: relative;
  z-index: 2;
}

.section {
  position: relative;
  padding: 5rem 0;
}

/* Add subtle section separators */
.section:not(:first-child)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, 90%);
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--border) 20%,
    var(--border) 80%,
    transparent
  );
}

/* Enhance mobile backgrounds */
@media (max-width: 760px) {
  body {
    background:
      radial-gradient(800px 600px at 50% -10%, rgba(100,244,172,.12), transparent 70%),
      radial-gradient(600px 500px at 50% 50%, rgba(124,156,255,.15), transparent 70%),
      var(--bg);
  }
}

/* Accessibility */
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:16px;top:16px;width:auto;height:auto;background:var(--primary);color:#000;padding:.5rem .75rem;border-radius:.5rem}

.container{width:min(1100px,90%);margin-inline:auto}
.section{padding:5rem 0}
.section-title{
  font-size:1.25rem;
  letter-spacing:0.1em;
  color:var(--muted);
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.site-header{
  position:sticky;top:0;backdrop-filter:saturate(160%) blur(10px);
  background:linear-gradient(to bottom,rgba(11,14,20,.75),rgba(11,14,20,.35));
  border-bottom:1px solid var(--border); z-index:50
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.logo{font-weight:800;letter-spacing:.1em;text-decoration:none;color:var(--text)}
.logo span{color:var(--accent)}
.nav-links{display:flex;gap:1.2rem;align-items:center;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--muted);text-decoration:none}
.nav-links a:hover,.nav-links a:focus{color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1rem;border-radius:.75rem;border:1px solid transparent;text-decoration:none;transition:transform .15s ease,background .2s,border-color .2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--primary);color:#061127}
.btn-outline{border-color:var(--primary);color:var(--text)}
.btn-ghost{border-color:var(--border);background:transparent;color:var(--text)}

.nav-toggle{display:none;background:transparent;border:0;cursor:pointer}
.nav-toggle .bar{display:block;width:24px;height:2px;background:var(--text);margin:5px 0;border-radius:2px}

.hero .eyebrow {
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 .5rem;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.2s;
}

.hero .headline {
  font-size: clamp(2.2rem,7vw,4rem);
  line-height: 1.1;
  margin: .2rem 0;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.4s;
}

.hero .subhead {
  font-size: clamp(1.2rem,3.2vw,1.8rem);
  color: var(--muted);
  margin: .2rem 0 1rem;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.6s;
}

.hero .lede {
  max-width: 62ch;
  color: var(--muted);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.8s;
}

.cta-row {
  display: flex;
  gap: .8rem;
  margin-top: 1.2rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 1s;
}

.socials {
  display: flex;
  gap: .9rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 1.2s;
}

.socials a {
  color: var(--text);
  transition: color 0.2s ease;
}

.socials a:hover {
  color: var(--accent);
}

.socials svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.about-grid{
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:2rem;
  margin-top:1rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.2s;
}
.about-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:1rem;
  padding:1rem;
  box-shadow:var(--shadow);
  opacity: 0;
  transform: translateX(20px);
  animation: fadeInRight 0.8s ease forwards;
  animation-delay: 0.4s;
}
.avatar{
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: 1rem;
  overflow: hidden;
  margin-bottom: 1rem;
  position: relative;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;  /* Ensure the top of the image is visible */
}
.quick{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.quick li{display:flex;justify-content:space-between;gap:1rem;padding:.5rem;border-bottom:1px dashed var(--border)}
.quick li span{color:var(--muted)}
.quick li a{
  color: var(--text);
  text-decoration: none;
}
.quick li a:hover {
  color: var(--accent);
}
.quick li b {
  text-align: right;
}

.timeline{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;gap:1.8rem}
.tl-header{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}
.tl-header h3{margin:0;font-size:1.1rem}
.tl-header span{color:var(--muted);font-weight:600}
.tl-header time{color:var(--muted);font-variant-numeric:tabular-nums}
.bullets{margin:.5rem 0 0 0.9rem}
.bullets li{margin:.4rem 0}

.projects{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.2rem;margin-top:1rem}
.project-card{background:var(--card);border:1px solid var(--border);border-radius:1rem;padding:1.2rem;box-shadow:var(--shadow)}
.project-card h3{margin-top:0}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;margin:.8rem 0 0;padding:0;list-style:none}
.tags li{background:var(--pill);border:1px solid var(--border);padding:.25rem .55rem;border-radius:999px;color:var(--muted);font-size:.85rem}

.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin-top:1rem}
.pill-list{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:.5rem 0 0;padding:0}
.pill-list li{background:var(--pill);border:1px solid var(--border);padding:.3rem .6rem;border-radius:999px;color:var(--muted)}

.contact{text-align:center}
.contact .btn{margin-top:.8rem}
.contact .contact-details {
  margin-top: 1.2rem;
}

.contact .socials {
  justify-content: center;
  opacity: 1;
  animation: none;
}

.contact .socials a {
  color: var(--text);
  transition: color 0.2s ease;
}

.contact .socials a:hover {
  color: var(--accent);
}

.site-footer{border-top:1px solid var(--border);padding:2rem 0;color:var(--muted);text-align:center}

/* Active link highlight */
.nav-links a.active{color:var(--accent)}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease, transform .6s ease}
.reveal.visible{opacity:1;transform:none}

/* Enhanced Skills Section */
.skills-wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (max-width: 760px) {
  .skills-wrapper {
    grid-template-columns: 1fr;
  }
}

.skills-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: transform 0.2s ease;
}

.skills-card:hover {
  transform: translateY(-4px);
}

.skills-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.skills-header h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text);
}

.skill-icon {
  width: 24px;
  height: 24px;
  fill: var(--accent);
}

.skills-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.skills-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--muted);
}

.skills-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.skill-bars {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;  /* Add space before db section */
}

.db-list {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}

.db-list h4 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pill-row li {
  background: var(--pill);
  border: 1px solid var(--border);
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  color: var(--text);
  font-size: 0.9rem;
}

.bar-wrap {
  height: 8px;
  background: var(--pill);
  border-radius: 4px;
  overflow: hidden;
}

.bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  border-radius: 4px;
  transition: width 1s ease;
}

/* Animate skill bars on scroll */
.skills-card {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
}

.skills-card:nth-child(1) { animation-delay: 0.2s; }
.skills-card:nth-child(2) { animation-delay: 0.4s; }
.skills-card:nth-child(3) { animation-delay: 0.6s; }
.skills-card:nth-child(4) { animation-delay: 0.8s; }

/* Responsive */
@media (max-width: 900px){
  .about-grid{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .nav-toggle{display:block}
  .nav-links{
    position:fixed;inset:64px 0 auto 0;background:rgba(10,13,20,.97);
    border-bottom:1px solid var(--border);padding:1rem 5%;
    display:grid;gap:.75rem;transform:translateY(-120%);transition:transform .25s ease;
  }
  .nav-links.open{transform:none}
  .nav-links .btn{justify-self:start}
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}