:root {
  --bg-deep: #121212;
  --bg-card: #242424;
  --bg-card-hover: #1E293B;
  --border-color: #334155;
  --gold: #C5973A;
  --gold-hover: #FACC15;
  --cyan: #38BDF8;
  --text-main: #E2E8F0;
  --text-muted: #94A3B8;

  --ink:      #12110F;
  --red:      #e6584f;
  --orange:   #FFA500;
  --blue:     #000080;
  --white:    #FFF;
  --yellow:   #fc0;
  --purple:   #800080;
  --surface:  #13161e;
  --border:   #2a2f3f;
  --accent:   #F7B605;
  --surface2: #1a1e2a;
}

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

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    linear-gradient(to right, rgba(51, 65, 85, 0.15) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(51, 65, 85, 0.15) 1px, transparent 1px);
  background-size: 32px 32px;
}
.article-body {
  position: relative;
  padding: 40px 0 80px;
}
/* ARTICLE BODY */
.article-body::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}
/* ARTICLE GRID */
.article-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 38px;
  align-items: start;
}
.article-grid-list {
  display: grid;
  grid-template-columns: 190px 190px 190px 190px 190px;
  gap: 38px;
}
.article-grid-full {
  display: grid;
  width: 100%;
}
/* ARTICLE CONTENT */
.article-content-full {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0px;
  padding: 40px;
  display: flow-root; /* <--- Add this line to trap floated elements inside */
}

/* REF CARFD */
.ref-type {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: 'Share Tech Mono', monospace;
}
.ref-grid {
  display: grid;
  gap: 16px;
}
.ref-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color .2s;
}
.ref-card:hover {
  border-color: var(--accent);
}
.ref-card h4 {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.ref-card a {
  font-size: 14px;
  font-weight: 600;
  color: var(--tan);
  text-decoration: none;
  font-family: 'Share Tech Mono', monospace;
}
.ref-card a:hover {
  color: var(--accent);
}
.ref-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

/* Top Navigation */
.topnav {
  background: rgba(13, 15, 20, 0.95);
  /* background: rgba(15, 23, 42, 0.95); */
  border-bottom: 1px solid var(--border-color);
  padding: 16px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.brand {
  font-family: 'Big Shoulders Display', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: #FFFFFF;
  text-transform: uppercase;
  margin-left: 35px;
  letter-spacing: 1px;
  text-decoration: none;
}

.brand span {
  color: var(--gold);
}

.brand-sub {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--cyan);
  margin-left: 10px;
  padding-left: 10px;
  border-left: 1px solid var(--border-color);
}

.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-wrap: wrap;
}
.nav-links a {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 12px;
  text-decoration: none;
  border-radius: 4px;
  transition: color .2s, background .2s;
  white-space: nowrap;
  font-family: 'Share Tech Mono', monospace;
}
.nav-links a:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.nav-links .cta {
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 4px;
}
.nav-links .cta:hover {
  background: #00b4cc;
}


/* Main Container */
.container {
  max-width: 1300px;
  margin: 0 auto;
  flex: 1;
  width: 100%;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px;
  margin-bottom: 35px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}
.hero a {
  color: var(--gold);
  text-decoration: none;
  position: relative;
  z-index: 2; 
}
.hero::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 200px;
  background: radial-gradient(circle, rgba(234, 179, 8, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-img  {
  position: absolute;
  top: -35%;
  right: 0%;
  bottom: 0;
  width: 100%;
  object-fit: cover;
  opacity: 0.22;
  mix-blend-mode: luminosity;
}
.hero-tag {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--gold);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}
.hero h1 {
  font-family: 'Big Shoulders Display', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.hero h1 span {
  color: var(--gold);
}
.hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 800px;
  line-height: 1.6;
}

/* Controls Bar */
.controls-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

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

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--gold);
  color: var(--bg-deep);
  border-color: var(--gold);
}

.filter-btn-lnk {
  background: var(--bg-deep);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn-lnk a {
  text-decoration: none;
  color: var(--gold);
}
.filter-btn-lnk:hover a {
  text-decoration: none;
  color: var(--ink);
}

.filter-btn-lnk:hover, .filter-btn-lnk.active {
  background: var(--gold);
  color: var(--bg-deep);
  border-color: var(--gold);
}

.search-box {
  position: relative;
  min-width: 280px;
}

.search-box input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 14px 10px 38px;
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-box input:focus {
  border-color: var(--gold);
}

.search-box svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  fill: var(--text-muted);
}

/* App Grid */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.app-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  background: var(--bg-card-hover);
}

.card-top {
  margin-bottom: 16px;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge-pid   {background:rgba(56, 189, 248, 0.15);color:var(--cyan); border:1px solid rgba(56, 189, 248, 0.4); }
.badge-heli  {background:rgba(234,179,   8, 0.15);color:var(--gold); border:1px solid rgba(234, 179, 8, 0.4); }
.badge-batt  {background:rgba(255,255, 255, 0.25);color:var(--white);border:1px solid rgba(34, 79, 98, 0.4); }
.badge-drone {background:rgba(34, 197,  94, 0.15);color:#4ADE80;     border:1px solid rgba(34, 97, 194, 0.4); }
.badge-gen   {background:rgba(234, 10,  10, 0.15);color:var(--red);  border:1px solid rgba(234, 10, 10, 0.4); }
.badge-goosky{background:rgba(34, 197,  94, 0.15);color:var(-orange);border:1px solid rgba(34, 197, 94, 0.4); }
.badge-align {background:rgba(34, 100,  49, 0.15);color:var(-blue);  border:1px solid rgba(34, 197, 94, 0.4); }
.badge-sab   {background:rgba(84,  38,  74, 0.15);color:var(-yellow);border:1px solid rgba(34, 197, 94, 0.4); }
.badge-motor {background:rgba(134, 91,  94, 0.15);color:var(-gold);  border:1px solid rgba(234, 7, 194, 0.4); }
.badge-esc   {background:rgba(14,  93,   4, 0.15);color:var(-muted); border:1px solid rgba(34, 197, 94, 0.4); }
.badge-tron  {background:rgba(43, 197, 114, 0.15);color:var(-white); border:1px solid rgba(34, 197, 94, 0.4); }
.badge-xl    {background:rgba(43, 137,  34, 0.15);color:var(-brown); border:1px solid rgba(34, 197, 94, 0.4); }
.badge-rc    {background:rgba(83,  99, 234, 0.25);color:var(-gold);  border:1px solid rgba(255,197,255, 0.4); }
.badge-oxy   {background:rgba(43,  93, 224, 0.15);color:var(-purple);border:1px solid rgba(34, 197, 94, 0.4); }

.app-card h3 {
  font-family: 'Big Shoulders Display', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: #B3A97B;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.app-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 20px;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.btn-launch {
  background: var(--gold);
  color: var(--bg-deep);
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: opacity 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-launch:hover {
  opacity: 0.9;
}

.tech-stack {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Footer */
footer {
  text-align: center;
  padding: 30px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-color);
  margin-top: 60px;
  background: rgba(11, 18, 32, 0.95);
}

footer strong {
  color: #FFFFFF;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .controls-bar { flex-direction: column; align-items: stretch; }
  .search-box { width: 100%; }
}


/* SIDEBAR */
.article-sidebar {
  position: sticky;
  top: 80px;
}
.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px 20px;
  margin-bottom: 20px;
}
.sidebar-card h4 {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.toc-list {
  list-style: none;
  padding: 0;
}
.toc-list li {
  margin-bottom: 4px;
}
.toc-list a {
  font-family: 'Share Tech Mono', monospace;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  transition: color .2s;
}
.toc-list a::before {
  content: '›';
  color: var(--accent);
  font-size: 15px;
  flex-shrink: 0;
}
.toc-list a:hover, .toc-list a.active {
  color: #fff;
}
.toc-list a.active {
  font-weight: 600;
  color: var(--accent);
}
.sidebar-meta-item {
  font-family: 'Share Tech Mono', monospace;
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 10px;
  display: flex;
  gap: 8px;
}
/* ── LIVE VIEW ── */
#frame {
  max-width:100%;
  height:auto;
  border:1px solid #334155;
  background:#000;
  z-index: 100;
}
.controls {
  margin:12px 0;
  display:flex;
  gap:10px;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
}
button, select {
  padding:6px 14px;
  font-size:14px;
}
#scrub {
  width:min(500px, 90%);
}
#info {
  font-family:monospace; color:#94a3b8;
}

/* ── FOOTER ── */
footer {
  background: var(--ink);
  color: rgba(255,255,255,0.35);
  padding: 36px 0;
  text-align: center;
  font-size: 12px;
  line-height: 2;
}
footer strong {
  color: rgba(255,255,255,0.6);
}
footer a {
  color: rgba(197,151,58,0.6);
  text-decoration: none;
}