:root{
  --bg:#000;
  --text:#fff;
  --muted:rgba(255,255,255,.72);
  --card:#0b0b0b;
  --border:rgba(255,255,255,.14);
  --accent:#00ffd0;
  --shadow:0 18px 50px rgba(0,0,0,.55);
  --radius:18px;
  --topbar-h:72px;
  --max:1200px;

  /* project-page extras */
  --ring: 3px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}

/* IMPORTANT: nothing can ever exceed its box */
img, video, canvas, svg { max-width:100%; height:auto; display:block; }

body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  min-height:100svh;
  display:flex;
  flex-direction:column;
}

body.light{
  --bg:#fff;
  --text:#000;
  --muted:rgba(0,0,0,.66);
  --card:#f4f4f4;
  --border:rgba(0,0,0,.14);
}

.container{width:min(var(--max),96vw);margin:0 auto}
main{flex:1}

/* ---------------- Topbar ---------------- */
.topbar{
  position:fixed; inset:0 0 auto 0;
  height:var(--topbar-h);
  z-index:1000;

  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:16px;

  padding:0 3vw;
  background:rgba(0,0,0,.72);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
body.light .topbar{background:rgba(255,255,255,.78)}

.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.brand img{width:56px;height:56px;object-fit:contain}

.topbar-title{
  justify-self:center;
  font-weight:900;
  letter-spacing:.3px;
  opacity:.95;
}
.topbar-right{display:flex;align-items:center;gap:12px;justify-self:end}

/* Theme toggle */
.switch{position:relative;width:52px;height:28px}
.switch input{display:none}
.slider{
  position:absolute; inset:0;
  background:#cfcfcf;
  border-radius:999px;
  border:1px solid var(--border);
  cursor:pointer;
}
.slider::after{
  content:"";
  position:absolute;
  top:50%; left:4px;
  width:20px;height:20px;
  background:#fff;
  border-radius:50%;
  transform:translateY(-50%);
  transition:transform 180ms ease;
}
.switch input:checked + .slider::after{
  transform:translate(24px,-50%);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:10px 14px;
  border-radius:12px;
  text-decoration:none;
  font-weight:800;
  border:1px solid var(--border);
  background:transparent;
  color:var(--text);
  cursor:pointer;
  transition:.18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  border-color:rgba(0,255,208,.55);
  box-shadow:0 10px 30px rgba(0,255,208,.10);
}
.btn-primary:hover{
  background:rgba(0,255,208,.10);
  border-color:rgba(0,255,208,.85);
}

/* ---------------- Page ---------------- */
.page{
  padding-top:calc(var(--topbar-h) + 26px);
  padding-bottom:70px;
}

/* HERO */
.hero{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  background:
    radial-gradient(circle at 18% 22%, rgba(0,255,208,.20), transparent 55%),
    radial-gradient(circle at 82% 60%, rgba(3,188,244,.18), transparent 60%),
    rgba(255,255,255,.03);
}

.hero-inner{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:18px;
  padding:22px;
  align-items:stretch;
}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  opacity:.95;
  font-size:13px;
}

.title{
  font-size:clamp(30px,3.2vw,46px);
  line-height:1.05;
  margin-top:10px;
  font-weight:950;
}

.subtitle{
  color:var(--muted);
  margin-top:12px;
  line-height:1.7;
  font-size:16px;
  max-width:66ch;
}

.meta{
  margin-top:14px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}

.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.05);
  padding:8px 10px;
  border-radius:999px;
  font-weight:800;
  font-size:13px;
  color:var(--text);
}
body.light .chip{background:rgba(0,0,0,.05)}

.hero-actions{
  margin-top:16px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

/* Right media card */
.media-card{
  border-radius:20px;
  border:1px solid var(--border);
  overflow:hidden;
  background:var(--card);
  min-height:320px;
  position:relative;
  isolation:isolate;
}

/* gradient border hover */
.glow-border{
  position:relative;
  transform:translateZ(0);
}
.glow-border::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  padding:var(--ring);
  background:linear-gradient(120deg,#00ffd0,#03bcf4,#7c7cff,#00ffd0);
  background-size:300% 300%;
  opacity:0;
  transition:opacity 220ms ease;
  pointer-events:none;
  z-index:2;

  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
          mask-composite:exclude;
}
.glow-border::after{
  content:"";
  position:absolute;
  inset:-14px;
  border-radius:inherit;
  background:linear-gradient(120deg,
    rgba(0,255,208,.45),
    rgba(3,188,244,.35),
    rgba(124,124,255,.35)
  );
  background-size:300% 300%;
  filter:blur(22px);
  opacity:0;
  transition:opacity 220ms ease;
  pointer-events:none;
  z-index:0;
}
@keyframes borderShift{
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
.glow-border:hover::before{
  opacity:1;
  animation:borderShift 3.6s ease infinite;
}
.glow-border:hover::after{
  opacity:1;
  animation:borderShift 3.6s ease infinite;
}

.media{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  position:absolute;
  inset:0;
}
.media-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(transparent, rgba(0,0,0,.85));
  display:grid;
  align-content:end;
  padding:16px;
  z-index:1;
}
.media-overlay h3{font-size:18px;margin-bottom:4px}
.media-overlay p{color:rgba(255,255,255,.75);font-size:13px;line-height:1.5}

/* ---------------- Content Grid ---------------- */
.content{
  margin-top:22px;
  display:grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap:18px;
  align-items:start;
}
.content > * { min-width:0; }
.sections { min-width:0; display:grid; gap:16px; }

/* Sticky nav */
.side{
  position:sticky;
  top:calc(var(--topbar-h) + 18px);
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  border-radius:20px;
  padding:14px;
  box-shadow:0 14px 40px rgba(0,0,0,.40);
}
body.light .side{background:rgba(0,0,0,.03)}

.side h4{
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:10px;
  font-weight:950;
}

.side a{
  display:flex;
  gap:10px;
  align-items:center;
  padding:10px 10px;
  border-radius:12px;
  text-decoration:none;
  color:var(--text);
  border:1px solid transparent;
  opacity:.92;
  font-weight:800;
  transition:.16s ease;
  margin-bottom:6px;
}
.side a:hover{
  background:rgba(255,255,255,.06);
  border-color:var(--border);
  transform:translateY(-1px);
}
body.light .side a:hover{background:rgba(0,0,0,.06)}

/* Cards */
.card{
  border-radius:20px;
  border:1px solid var(--border);
  background:var(--card);
  box-shadow:var(--shadow);
  padding:18px;
}
.card h2{
  color:var(--accent);
  font-size:22px;
  margin-bottom:10px;
  font-weight:950;
}
.card p{
  color:var(--muted);
  line-height:1.85;
  font-size:16px;
}

.split{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:14px;
  margin-top:12px;
}

.mini-card{
  border:1px solid var(--border);
  border-radius:18px;
  background:rgba(255,255,255,.03);
  padding:14px;
}
body.light .mini-card{background:rgba(0,0,0,.03)}
.mini-card h3{
  font-size:16px;
  margin-bottom:8px;
  font-weight:950;
  color:var(--text);
}

/* Media grid */
.media-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:14px;
  margin-top:12px;
}

/* ONE column grid (full-width carousel) */
.media-grid.one{
  grid-template-columns:1fr;
}

/* Tiles */
.media-tile{
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--border);
  background:#111;
  height:260px;
  position:relative;
}

/* Bigger tile for full width */
.media-tile.wide{
  height:360px;
}

/* =======================
   CAROUSEL (INSIDE TILE)
   ======================= */
.carousel-shell{ position:absolute; inset:0; }

.cbtn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:40px;height:40px;
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(0,0,0,.72);
  color:#fff;
  display:grid;
  place-items:center;
  cursor:pointer;
  z-index:5;
  transition:.15s ease;
}
body.light .cbtn{background:rgba(255,255,255,.85); color:#000}
.cbtn.left{left:10px}
.cbtn.right{right:10px}

.carousel-track{
  position:absolute;
  inset:0;
  display:flex;
  gap:12px;

  padding:12px 12px 18px;
  overflow-x:auto;
  overflow-y:hidden;

  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  -webkit-overflow-scrolling:touch;

  cursor:grab;
  scrollbar-gutter:stable;
  overscroll-behavior-x:contain;

  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.35) rgba(255,255,255,.10);
}
.carousel-track.dragging{cursor:grabbing}

.carousel-track::-webkit-scrollbar{height:10px}
.carousel-track::-webkit-scrollbar-track{background:rgba(255,255,255,.10);border-radius:999px}
.carousel-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.35);border-radius:999px}

body.light .carousel-track{
  scrollbar-color:rgba(0,0,0,.30) rgba(0,0,0,.10);
}
body.light .carousel-track::-webkit-scrollbar-track{background:rgba(0,0,0,.10)}
body.light .carousel-track::-webkit-scrollbar-thumb{background:rgba(0,0,0,.30)}

/* slides */
.carousel-track img{
  flex:0 0 auto;
  width:100%;
  max-width:520px;
  height:100%;
  border-radius:14px;
  object-fit:cover;
  scroll-snap-align:start;
  border:1px solid rgba(255,255,255,.14);
}

/* Bottom actions */
.bottom-actions{
  margin-top:18px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

/* Footer */
.page-footer{
  margin-top:22px;
  padding:18px 0 10px;
  border-top:1px solid var(--border);
  color:var(--muted);
  font-weight:800;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
}
.page-footer .made{
  display:flex;
  align-items:center;
  gap:8px;
}
.page-footer img{
  width:20px;
  height:20px;
  object-fit:contain;
  transform:translateY(1px);
}
.page-footer .icons{
  display:flex;
  gap:16px;
  align-items:center;
}
.page-footer .icons a{
  color:var(--text);
  font-size:24px;
  text-decoration:none;
  transition:.15s ease;
}
.page-footer .icons a:hover{
  color:var(--accent);
  transform:translateY(-2px);
}

/* Responsive */
@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr}
  .content{grid-template-columns:1fr}
  .side{position:relative; top:auto}
}
@media (max-width: 740px){
  .topbar-title{display:none}
  .media-grid{grid-template-columns:1fr}
  .media-tile{height:240px}
  .media-tile.wide{height:280px}
  .page-footer{flex-direction:column;justify-content:center;text-align:center}
}

/* reduced motion */
@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important}
}