/* ===========================
   THEME & BASE
   =========================== */
:root{
  --bg:#0b0c10;
  --panel:#111319;
  --text:#e8ecf1;
  --muted:#9aa3af;
  --accent:#7dd3fc;

  --border: rgba(255,255,255,.12);
  --border-soft: rgba(255,255,255,.08);
  --shadow-1: 0 10px 30px rgba(0,0,0,.15);
  --shadow-2: 0 12px 40px rgba(0,0,0,.35);
  --glass: rgba(255,255,255,0.06);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; background:var(--bg); color:var(--text);
  font:16px/1.6 system-ui,-apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif; }
a{ color:var(--text); text-decoration:none; }

.container{ max-width:1100px; margin:0 auto; padding:24px; }
.row{ display:flex; align-items:center; }
.between{ justify-content:space-between; }
.gap{ gap:.75rem; }
.muted{ color:var(--muted); }

/* ===========================
   HEADER / NAV
   =========================== */
.site-header,
.site-footer{
  padding:16px 24px;
  background:rgba(255,255,255,0.02);
  backdrop-filter:blur(6px);
  position:sticky; top:0; z-index:10;
}

.site-header .container{
  display:flex; gap:16px; align-items:center; justify-content:space-between;
}
.site-header .container::after{ content:""; }

.brand{ justify-self:start; font-weight:500; color:inherit; text-decoration:none; }

.nav{ display:flex; gap:.25rem; justify-self:center; }
.nav-center{ display:flex; justify-content:center; gap:.5rem; } /* used when brand removed */

.nav-link{
  padding:.5rem .9rem; border-radius:999px; color:inherit;
}
.nav-link:hover,
.nav a.active{
  background:var(--accent); color:#0b0c10; border-radius:8px; font-weight:600;
}

/* ===========================
   SECTIONS / TYPOGRAPHY
   =========================== */
.section{ padding:4rem 0; scroll-margin-top:90px; min-height:40vh; }
.eyebrow{ margin:0 0 .25rem; font-size:.75rem; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); }
.section-title{ margin:0; font-size:clamp(1.6rem, 2.5vw + 1rem, 2.25rem); }
.section-body{ margin-top:1rem; }

.lead{ font-size:1.125rem; color:var(--muted); }

.media-frame{ border:0px solid var(--border-soft); border-radius:1rem; padding:.5rem; background:var(--bg); }
.media-frame img{ width:100%; border-radius:.75rem; display:block; }

/* Layout helpers */
.two-col{ display:grid; grid-template-columns:1fr; gap:1.25rem; }
@media (min-width:768px){ .two-col{ grid-template-columns:1.1fr .9fr; } }

.grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1rem; }

/* ===========================
   BUTTONS / TAGS
   =========================== */
.btn{
  display:inline-flex; align-items:center; gap:.5rem;
  padding:10px 14px; border-radius:12px; font-weight:700;
  background:var(--accent); color:var(--bg); border:1px solid transparent;
}
.btn:hover{ opacity:.92; }

.btn-outline{
  background:transparent; color:var(--text); border-color:var(--border);
}
.btn-outline:hover{ background:var(--accent); color:#0b0c10; }

.tags{ display:flex; flex-wrap:wrap; gap:.5rem; margin:.75rem 0; }
.tag{
  border:1px solid var(--accent);
  padding:.15rem .5rem; border-radius:999px; font-size:.75rem; color:var(--accent);
}

/* ===========================
   CARDS (PROJECT)
   =========================== */
.card{
  --card-accent:#8BD9FF; --card-accent-2:transparent;
  position:relative; overflow:hidden;
  border:1px solid var(--border-soft);
  background:var(--panel); box-shadow:var(--shadow-1);
}
.card .tag{ border-color:var(--card-accent); color:var(--card-accent); }
.card .btn.btn-outline:hover{ background:var(--card-accent); color:#0b0c10; }

.card-media{
  width:100%; aspect-ratio:16/9; object-fit:cover; display:block;
  transition:filter .25s ease, transform .25s ease;
}
.card:hover .card-media{
  filter:blur(3px) brightness(.7); transform:scale(1.02);
}
/* Outline on hover (browsers with color-mix) */
@supports (color-mix(in oklab, #000 50%, #fff 50%)){
  .card:hover .card-media{ outline:2px solid color-mix(in oklab, var(--card-accent) 60%, #000 40%); }
}

.card-body{ padding:.75rem 1rem 1rem; }
.card-title{ font-size:1rem; margin:.25rem 0; }
.card .muted{ font-size:.9rem; }

/* Hover overlay (Inspect) */
.card-overlay{
  position:absolute; inset:0; display:grid; place-content:center;
  opacity:0; transition:opacity .2s ease; pointer-events:none;
}
.card:hover .card-overlay{ opacity:1; pointer-events:auto; }
.inspect-btn{
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.6rem 1rem; border-radius:.8rem;
  background:#111827; color:#fff; border:1px solid var(--border);
  box-shadow:0 10px 30px rgba(0,0,0,.3);
}
.inspect-btn:hover{ background:#000; }

/* ===========================
   CAROUSEL (CENTERED SPOTLIGHT)
   =========================== */
.carousel{
  --slide-w:420px; --gap:24px; --blur:2px; --scale-side:.9; --scale-far:.85;
  position:relative;
}
@media (max-width:600px){ .carousel{ --slide-w:86vw; --gap:16px; } }

.carousel-viewport{ overflow:hidden; }
.carousel-track{
  display:flex; gap:var(--gap);
  overflow-x:auto; scroll-snap-type:x mandatory; scroll-behavior:smooth;
  padding:8px 0 12px;
}
/* Hide scrollbar */
.carousel-track::-webkit-scrollbar{ height:0 !important; }
.carousel-track{ scrollbar-width:none; -ms-overflow-style:none; }
/* Spacers for true center snap */
.carousel-track::before,
.carousel-track::after{ content:""; flex:0 0 calc((100% - var(--slide-w))/2); }

.carousel-slide{
  flex:0 0 var(--slide-w); scroll-snap-align:center;
  transition:transform .35s ease, filter .35s ease, opacity .35s ease;
  transform:scale(var(--scale-far)); filter:blur(var(--blur)) saturate(.9);
  opacity:.65; z-index:1; cursor:pointer; will-change:transform, filter, opacity;
}
.carousel-slide.is-active{ transform:translateY(-4px) scale(1); filter:none; opacity:1; z-index:3; cursor:default; }
.carousel-slide.is-left,
.carousel-slide.is-right{ transform:scale(var(--scale-side)); filter:blur(var(--blur)); opacity:.8; z-index:2; }
.carousel-slide .card{ height:100%; }
.carousel-slide .card-media{ aspect-ratio:16/9; object-fit:cover; }

/* Arrows & dots */
.carousel-btn{
  position:absolute; top:50%; transform:translateY(-50%); z-index:10; pointer-events:auto;
  width:56px; height:56px; font-size:28px; border-radius:999px;
  border:1px solid rgba(255,255,255,.25);
  background:rgba(17,17,17,.65); color:#fff;
  box-shadow:0 8px 24px rgba(0,0,0,.35);
}
.carousel-btn:hover{ background:rgba(17,17,17,.85); }
.carousel-btn:disabled{ opacity:.4; cursor:default; }
.carousel-btn.prev{ left:12px; }
.carousel-btn.next{ right:12px; }

.carousel-dots{ display:flex; justify-content:center; gap:8px; margin-top:12px; }
.dot{ width:8px; height:8px; border-radius:999px; border:none; cursor:pointer; background:rgba(255,255,255,.25); }
.dot.active{ background:rgba(255,255,255,.9); }

/* ===========================
   PROJECT PAGE
   =========================== */
.project{ padding:2rem 1rem; }

.project-main{
  display:grid; grid-template-columns:minmax(280px,420px) 1fr; gap:24px; align-items:start; margin-top:1rem;
}
@media (max-width:900px){ .project-main{ grid-template-columns:1fr; } }

.project-hero{ margin:0; justify-self:center; }
.project-hero img{
  width:100%; max-width:420px; border-radius:12px; display:block; box-shadow:var(--shadow-2);
  background:var(--panel);
}

.project-details .h3{ margin:0 0 .5rem; font-size:1.15rem; }
.project-details .h4{ margin:1.25rem 0 .35rem; font-size:1rem; color:var(--text); opacity:.9; }

.project-tech{ display:flex; flex-wrap:wrap; gap:.5rem; }
.project-tech .tag{ border-color:var(--border); color:var(--text); }
.project-links{ margin-top:1rem; }

.project-bullets{
  margin:.75rem 0 1.5rem; padding-left:1.25rem; list-style:disc; color:#d1d5db;
}
.project-bullets li{ margin:.25rem 0; line-height:1.5; }

/* Back button */
.back-btn{
  display:inline-flex; align-items:center; gap:.6rem;
  padding:.6rem 1rem; border-radius:.9rem;
  color:#e5e7eb; background:rgba(17,17,17,.65);
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 8px 24px rgba(0,0,0,.35); backdrop-filter:blur(8px);
}
.back-btn:hover{ background:rgba(17,17,17,.85); }
.back-chev{ font-size:1.1rem; transform:translateY(-1px); }

/* ===========================
   SKILLS / TOOLBOX
   =========================== */
.skills-wrap{ display:grid; gap:20px; }

/* top block (systems) uses same card styling */
.skills-group{
  border:1px solid var(--border);
  border-radius:12px; padding:14px 16px;
  background:var(--panel); box-shadow:0 1px 2px rgba(0,0,0,.2);
}
.skills-title{ margin:0 0 .5rem; font-size:1.05rem; font-weight:600; }

.skills-tags{ display:flex; flex-wrap:wrap; gap:.5rem; }

/* two columns under systems */
.skills-columns{
  display:grid; grid-template-columns:1fr; gap:20px;
}
@media (min-width:900px){ .skills-columns{ grid-template-columns:1fr 1fr; } }

/* Systems accordion */
.systems-list{ display:grid; gap:10px; }

.sys-item{
  border:1px solid var(--border);
  border-radius:10px; background:var(--panel);
  overflow:hidden; transition:box-shadow .2s ease;
}
.sys-item.open{ box-shadow:0 6px 24px rgba(0,0,0,.18); }

.sys-header{
  width:100%; display:grid; grid-template-columns:1fr auto auto;
  align-items:center; gap:10px; padding:10px 12px;
  background:rgba(255,255,255,0.02);
  border:0; text-align:left; cursor:pointer; color:var(--text);
}
.sys-title{ font-weight:600; }
.sys-chevron{ opacity:.7; }

.sys-pill{
  font-size:.75rem; padding:.2rem .5rem; border-radius:999px;
  border:1px solid var(--border); color:var(--text); background:transparent;
}
.pill-built{ border-color:#10b98166; color:#93eabf; }
.pill-contrib{ border-color:#3b82f666; color:#9dc6ff; }

.sys-panel{ overflow:hidden; transition:max-height .3s ease; padding:0 12px; }
.sys-summary{ margin:10px 0; color:var(--muted); }

.sys-video{
  margin:8px 0 12px; border-radius:10px; overflow:hidden;
  background:#000; box-shadow:0 6px 18px rgba(0,0,0,.18);
}
.sys-video video{ width:100%; display:block; aspect-ratio:16/9; }

/* ===========================
   FOOTER
   =========================== */
.footer{
  padding:2rem 0; border-top:1px solid var(--border); text-align:center; color:var(--muted);
}
/* Image badge + head row + years */
.card-media-wrap { position: relative; }

.card-badge{
  position: absolute; top: 8px; right: 8px;
  padding: .25rem .6rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600;
  background: rgba(0,0,0,.55);
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.card-head { margin-bottom: .35rem; }
.card-years{
  font-size: .85rem;
  color: var(--muted);
  white-space: nowrap;
}
.card-badge { border-color: var(--card-accent); color: var(--card-accent); background: rgba(0,0,0,.35); }

/* Align hero content in the middle */
.two-col {
  display: grid;
  grid-template-columns: 1fr; 
  gap: 1.25rem;
  align-items: center; /* vertically center both columns */
}
@media (min-width: 768px) {
  .two-col {
    grid-template-columns: 1.1fr .9fr;
    align-items: center; /* text block and image align middle */
  }
}

/* Nudge the hero image upward */
.media-frame.hero-img {
  margin-top: -100px; /* adjust as needed */
}

/* Center the hero text block better */
.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;   /* vertical centering inside the column */
  gap: 1rem;
  margin-top: -80px;          /* push text down a bit (tweak as needed) */
}

/* Nudge the image up */
.hero-img {
  margin-top: 40px;         /* tweak until head lines up nicely with text */
}

.sys-image {
  margin: 8px 0 12px;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 6px 18px rgba(0,0,0,.18);
}
.sys-image img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;   /* keep same look as video */
  object-fit: cover;
}

.availability {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: var(--muted);
}

/* Stronger primary button for key actions */
.btn-primary {
  background: var(--accent);
  color: #0b0c10;  /* dark text on light accent */
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 12px;
  border: none;
  box-shadow: 0 4px 20px rgba(125,211,252,.4); /* glow */
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(125,211,252,.55);
}

/* Make back button stand out as a ghost-style primary */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .8rem 1.2rem;
  border-radius: .9rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--accent);
  background: rgba(125,211,252,.1);
  border: 1px solid var(--accent);
  box-shadow: 0 6px 20px rgba(125,211,252,.25);
}
.back-btn:hover {
  background: var(--accent);
  color: #0b0c10;
}