@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&family=JetBrains+Mono:wght@300;400&display=swap');

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

:root {
  --bg-void:        #05050d;
  --bg-deep:        #080816;
  --bg-surface:     #0e0e22;
  --bg-glass:       linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.01) 100%);
  --bg-glass-hover: linear-gradient(135deg, rgba(255,255,255,0.10) 0%, rgba(255,255,255,0.03) 100%);
  --text-primary:   #f0eefd;
  --text-secondary: rgba(240,238,253,0.55);
  --text-muted:     rgba(240,238,253,0.30);
  --accent-blue:    #4f8eff;
  --accent-violet:  #9b70ff;
  --accent-teal:    #38d9c0;
  --accent-glow:    rgba(79,142,255,0.18);
  --border-subtle:  rgba(255,255,255,0.07);
  --border-card:    rgba(255,255,255,0.10);
  --border-glass-hi: rgba(255,255,255,0.15); /* For top/left frosted edges */
  --radius-sm:   0.5rem;
  --radius-md:   1rem;
  --radius-lg:   1.5rem;
  --radius-pill: 9999px;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}
html::-webkit-scrollbar { display: none; } /* Chrome/Safari */

body {
  background-color: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
  cursor: none;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
body::-webkit-scrollbar { display: none; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; }

/* ── Custom Cursor ── */
#cursor-dot {
  position: fixed; top: 0; left: 0; z-index: 9999;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-blue);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: screen;
}
#cursor-ring {
  position: fixed; top: 0; left: 0; z-index: 9998;
  width: 28px; height: 28px; border-radius: 50%;
  border: 1.5px solid rgba(79,142,255,0.55);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: left 0.1s ease, top 0.1s ease, width 0.25s, height 0.25s, border-color 0.25s;
}
body.cursor-hover #cursor-ring { width: 44px; height: 44px; border-color: var(--accent-violet); }
body.cursor-hover #cursor-dot  { width: 4px; height: 4px; }

/* ── Navigation ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 2.5rem;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5,5,13,0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--border-subtle);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 700; letter-spacing: -0.03em;
  color: var(--text-primary);
  display: flex; align-items: center; gap: 0.5rem;
}
.nav-logo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-blue);
  flex-shrink: 0;
  animation: pulse-glow 3s infinite;
}
@keyframes pulse-glow {
  0%,100% { box-shadow: 0 0 0 0 rgba(79,142,255,0.4); }
  50%      { box-shadow: 0 0 0 6px rgba(79,142,255,0); }
}
.nav-links { display: flex; align-items: center; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-secondary);
  transition: color 0.2s; position: relative;
}
.nav-links a.active, .nav-links a:hover { color: var(--text-primary); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--accent-blue);
  transition: width 0.25s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-contact {
  padding: 0.4rem 1.1rem;
  border: 1px solid var(--border-card); border-radius: var(--radius-pill);
  font-size: 0.75rem; font-weight: 500; color: var(--text-primary);
  background: var(--bg-glass);
  transition: background 0.2s, border-color 0.2s;
}
.nav-contact:hover { background: var(--bg-glass-hover); border-color: var(--accent-blue); }

/* ── Typography ── */
.display-xl  {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6.5vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.2;
  padding-bottom: 0.1em;
  overflow: visible;
}
h1.display-xl, .display-xl { overflow: visible; }
/* Ensure gradient text span has room for descenders */
.display-xl .grad-text {
  display: inline-block;
  padding-bottom: 0.35em;
  margin-bottom: -0.35em;
  line-height: normal;
  overflow: visible;
}
.display-lg  { font-family: var(--font-display); font-size: clamp(2rem, 3.8vw, 3.2rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.4 !important; padding-bottom: 0.25em; overflow: visible !important; }
.display-md  { font-family: var(--font-display); font-size: clamp(1.3rem, 2.2vw, 1.8rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.4 !important; padding-bottom: 0.25em; overflow: visible !important; }
.label       { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); }
.body-lg     { font-size: 1.05rem; font-weight: 300; line-height: 1.75; color: var(--text-secondary); }
.body-sm     { font-size: 0.85rem; line-height: 1.6; color: var(--text-secondary); }
.mono        { font-family: var(--font-mono); font-size: 0.8rem; }

/* ── Gradient text ── */
.grad-text {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  display: inline-block;
  padding-bottom: 0.35em;
  margin-bottom: -0.35em;
  line-height: normal;
  overflow: visible;
}

/* ── Glass card ── */
.glass-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-card);
  border-top-color: var(--border-glass-hi);
  border-left-color: var(--border-glass-hi);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  transition: background 0.25s, border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.glass-card:hover {
  background: var(--bg-glass-hover);
  border-color: rgba(79,142,255,0.35);
  border-top-color: rgba(79,142,255,0.5);
  border-left-color: rgba(79,142,255,0.5);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.6), 0 0 20px 0 rgba(79,142,255,0.15);
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.7rem 1.5rem; border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  color: #fff; font-family: var(--font-display); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.02em; transition: opacity 0.2s, transform 0.2s; border: none;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.7rem 1.5rem; border-radius: var(--radius-pill);
  border: 1px solid var(--border-card); color: var(--text-secondary);
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 500;
  background: transparent; transition: border-color 0.2s, color 0.2s, transform 0.2s;
}
.btn-ghost:hover { border-color: var(--accent-blue); color: var(--text-primary); transform: translateY(-2px); }

/* ── Social icons ── */
.social-btn {
  width: 2.2rem; height: 2.2rem; border-radius: 50%;
  border: 1px solid var(--border-card); background: var(--bg-glass);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.social-btn:hover { border-color: var(--accent-blue); color: var(--text-primary); background: var(--accent-glow); }
.social-btn svg { display: block; }

/* ── Scroll reveal ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Stats row ── */
.stats-row { display: flex; justify-content: center; gap: 3.5rem; flex-wrap: wrap; margin-top: 2.5rem; }
.stat { display: flex; flex-direction: column; align-items: center; gap: 0.3rem; }
.stat-num {
  font-family: var(--font-display); font-size: 2rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); }

/* ── Code blocks ── */
.code-block {
  background: #070714; border: 1px solid var(--border-card);
  border-radius: var(--radius-md); overflow: hidden;
}
.code-block-header {
  padding: 0.6rem 1rem; border-bottom: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-muted);
}
.code-block pre { padding: 1.25rem; font-family: var(--font-mono); font-size: 0.75rem; line-height: 1.75; color: #c9d1d9; overflow-x: auto; }
.kw  { color: #ff7b72; }
.fn  { color: #d2a8ff; }
.cm  { color: #8b949e; font-style: italic; }
.nm  { color: #79c0ff; }
.st  { color: #a5d6ff; }
.copy-btn {
  font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-muted);
  background: none; border: 1px solid var(--border-subtle); cursor: pointer;
  padding: 0.2rem 0.55rem; border-radius: 3px; transition: color 0.2s, background 0.2s;
}
.copy-btn:hover { color: var(--text-primary); background: var(--bg-glass); }

/* ── Feature list ── */
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; margin: 1.5rem 0; }
.feature-list li { font-size: 0.88rem; color: var(--text-secondary); padding-left: 1.25rem; position: relative; line-height: 1.6; }
.feature-list li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 5px; height: 5px; border-radius: 50%; background: var(--accent-blue); }

/* ── CAD viewer ── */
.cad-gallery { background: var(--bg-surface); border: 1px solid var(--border-card); border-radius: var(--radius-lg); overflow: hidden; margin-top: 2rem; }
.cad-tabs { display: flex; border-bottom: 1px solid var(--border-subtle); overflow-x: auto; scrollbar-width: none; }
.cad-tabs::-webkit-scrollbar { display: none; }
.cad-tab { padding: 0.85rem 1.5rem; font-family: var(--font-display); font-size: 0.73rem; font-weight: 500; letter-spacing: 0.04em; color: var(--text-muted); cursor: pointer; white-space: nowrap; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s, background 0.2s; }
.cad-tab:hover { color: var(--text-secondary); background: var(--bg-glass); }
.cad-tab.active { color: var(--text-primary); border-color: var(--accent-blue); }
.cad-frame-wrap { position: relative; width: 100%; padding-top: 56.25%; }
.cad-frame { position: absolute; inset: 0; width: 100%; height: 100%; border: none; display: none; }
.cad-frame.active { display: block; }
.cad-loading { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem; background: var(--bg-surface); color: var(--text-muted); font-size: 0.78rem; pointer-events: none; z-index: 5; transition: opacity 0.5s; font-family: var(--font-mono); }
.cad-loading-spinner { width: 24px; height: 24px; border: 2px solid var(--border-card); border-top-color: var(--accent-blue); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Algo cards ── */
.algo-list { display: flex; flex-direction: column; gap: 0.75rem; margin: 2rem 0; }
.algo-card { padding: 1rem 1.25rem; }
.algo-title { font-family: var(--font-display); font-size: 0.88rem; font-weight: 600; margin-bottom: 0.35rem; }
.algo-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.55; }

/* ── Awards ── */
.awards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; margin-top: 2rem; }
.award-card { padding: 1.25rem 1.5rem; border-left: 2px solid var(--accent-blue); background: var(--bg-glass); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; transition: border-color 0.2s, background 0.2s; }
.award-card:hover { border-color: var(--accent-violet); background: var(--bg-glass-hover); }
.award-name { font-family: var(--font-display); font-size: 0.85rem; font-weight: 600; margin-bottom: 0.3rem; }
.award-comp { font-size: 0.72rem; color: var(--text-muted); }

/* ── Spec grid ── */
.spec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(175px, 1fr)); gap: 1px; background: var(--border-card); border: 1px solid var(--border-card); border-radius: var(--radius-md); overflow: hidden; margin-top: 2rem; }
.spec-item { background: var(--bg-surface); padding: 1.25rem 1.5rem; display: flex; flex-direction: column; gap: 0.3rem; transition: background 0.2s; }
.spec-item:hover { background: var(--bg-glass-hover); }
.spec-key { font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.spec-val { font-family: var(--font-display); font-size: 1rem; font-weight: 600; color: var(--text-primary); }

/* ── Chart container ── */
.chart-container { background: var(--bg-surface); border: 1px solid var(--border-card); border-radius: var(--radius-md); padding: 1.5rem; }

/* ── Stability bar ── */
.stability-bar { position: relative; height: 3.5rem; background: var(--bg-surface); border: 1px solid var(--border-card); border-radius: var(--radius-sm); margin: 1rem 0; overflow: visible; }
.rocket-bar-bg { position: absolute; inset: 0; background: linear-gradient(to right, rgba(79,142,255,0.06) 0%, rgba(155,112,255,0.06) 100%); border-radius: inherit; }
.cg-marker, .cp-marker { position: absolute; top: 0; height: 100%; display: flex; flex-direction: column; align-items: center; }
.marker-line { width: 2px; height: 100%; }
.cg-marker .marker-line { background: var(--accent-blue); }
.cp-marker .marker-line { background: var(--accent-violet); }
.marker-label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.08em; margin-top: 0.25rem; color: var(--text-secondary); white-space: nowrap; }
.stability-result { font-family: var(--font-display); font-size: 0.9rem; margin-top: 0.75rem; }

/* ── Callout banner ── */
.callout-banner { padding: 2.5rem 3rem; margin: 3rem 0; display: flex; align-items: flex-start; gap: 2rem; border-left: 3px solid var(--accent-blue); }
.callout-icon { font-family: var(--font-display); font-size: 2rem; color: var(--accent-blue); flex-shrink: 0; margin-top: 0.1rem; }

/* ── Rocket gallery ── */
.rocket-gallery { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3; background: var(--bg-surface); }
.rocket-gallery img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.5s; }
.rocket-gallery img.active { opacity: 1; }
.gallery-dots { position: absolute; bottom: 0.85rem; left: 50%; transform: translateX(-50%); display: flex; gap: 0.4rem; z-index: 5; }
.gallery-dot { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.3); cursor: pointer; transition: background 0.2s; }
.gallery-dot.active { background: var(--accent-blue); }

/* ── Timeline ── */
.timeline { position: relative; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background: linear-gradient(to bottom, var(--accent-blue), var(--accent-violet), transparent); }
.timeline-item { padding-left: 2.5rem; margin-bottom: 2.5rem; position: relative; }
.timeline-item::before { content: ''; position: absolute; left: -3.5px; top: 0.45rem; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-blue); box-shadow: 0 0 10px rgba(79,142,255,0.5); }
.timeline-date { font-size: 0.68rem; letter-spacing: 0.1em; color: var(--accent-blue); text-transform: uppercase; margin-bottom: 0.35rem; font-family: var(--font-mono); }
.timeline-title { font-family: var(--font-display); font-size: 1rem; font-weight: 600; margin-bottom: 0.4rem; }
.timeline-desc { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }

/* ── Equipment grid ── */
.equipment-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.5rem 2rem; margin-top: 1.25rem; }
.equip-item { display: flex; flex-direction: column; gap: 0.3rem; }
.equip-label { font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); }
.equip-val   { font-size: 0.88rem; font-weight: 500; color: var(--text-primary); }

/* ── Astro gallery ── */
.astro-gallery { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 280px; gap: 0.75rem; }
.astro-gallery-item:nth-child(1) { grid-column: span 2; }
.astro-gallery-item:nth-child(4) { grid-column: span 2; }
.astro-gallery-item:nth-child(6) { grid-row: span 2; }
.astro-gallery-item { position: relative; border-radius: var(--radius-md); overflow: hidden; background: var(--bg-surface); border: 1px solid var(--border-card); cursor: pointer; }
.astro-gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.astro-gallery-item:hover img { transform: scale(1.04); }
.astro-placeholder { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.5rem; }
.astro-ph-icon { opacity: 0.15; }
.astro-ph-text { font-size: 0.7rem; color: var(--text-muted); font-family: var(--font-mono); }
.astro-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(5,5,13,0.9) 0%, transparent 60%); opacity: 0; transition: opacity 0.3s; display: flex; align-items: flex-end; padding: 1.25rem; }
.astro-gallery-item:hover .astro-overlay { opacity: 1; }
.astro-overlay-title { font-family: var(--font-display); font-size: 0.88rem; font-weight: 600; color: #fff; margin-bottom: 0.2rem; }
.astro-overlay-sub { font-size: 0.7rem; color: rgba(255,255,255,0.55); }

/* ── Section ticker ── */
.section-ticker { position: relative; z-index: 10; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--border-subtle); background: rgba(5,5,13,0.65); backdrop-filter: blur(16px); }
.ticker-item { padding: 1.4rem 2rem; border-right: 1px solid var(--border-subtle); display: flex; align-items: center; gap: 1.2rem; cursor: pointer; transition: background 0.25s; text-decoration: none; }
.ticker-item:last-child { border-right: none; }
.ticker-item:hover { background: rgba(79,142,255,0.05); }
.ticker-number { font-family: var(--font-mono); font-size: 0.62rem; color: var(--accent-blue); opacity: 0.6; flex-shrink: 0; }
.ticker-content { flex: 1; min-width: 0; }
.ticker-label { font-family: var(--font-display); font-size: 0.85rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.2rem; }
.ticker-sub { font-size: 0.68rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ticker-arrow { color: var(--text-muted); flex-shrink: 0; transition: transform 0.2s, color 0.2s; }
.ticker-item:hover .ticker-arrow { transform: translateX(4px); color: var(--accent-blue); }

/* ── Page sections ── */
.page-section { padding: 5rem 5vw; }
.page-section-wide { padding: 5rem 5vw; max-width: 1200px; margin: 0 auto; }
.section-header { margin-bottom: 2.5rem; }
.section-header .label { margin-bottom: 0.75rem; }

/* ── Two column ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.two-col-text-right { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }

/* ── Photo placeholder ── */
.photo-placeholder { aspect-ratio: 4/3; background: var(--bg-surface); border: 1px solid var(--border-card); border-radius: var(--radius-md); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.5rem; }
.photo-placeholder span { font-size: 0.72rem; color: var(--text-muted); font-family: var(--font-mono); }

/* ── Grid bg texture ── */
.grid-bg {
  background-color: var(--bg-void);
  background-image: linear-gradient(rgba(79,142,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(79,142,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* ── Scroll hint ── */
.scroll-hint { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; animation: bounce-subtle 2.5s infinite; }
.scroll-hint-line { width: 1px; height: 3rem; background: linear-gradient(to bottom, transparent, var(--accent-blue)); }
@keyframes bounce-subtle { 0%,100% { transform: translateY(0); opacity: 0.4; } 50% { transform: translateY(6px); opacity: 0.9; } }

/* ── Divider ── */
.divider { width: 100%; height: 1px; background: var(--border-subtle); margin: 4rem 0; }

/* ── Photo gallery grid ── */
.photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin-top: 2rem; }
.photo-grid-item { aspect-ratio: 4/3; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .two-col { grid-template-columns: 1fr; gap: 2.5rem; }
  .two-col-text-right { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav { padding: 1rem 1.5rem; }
  .section-ticker { grid-template-columns: 1fr; }
  .ticker-item { border-right: none; border-bottom: 1px solid var(--border-subtle); }
  .astro-gallery { grid-template-columns: 1fr 1fr; }
  .astro-gallery-item:nth-child(1), .astro-gallery-item:nth-child(4) { grid-column: span 1; }
  .astro-gallery-item:nth-child(6) { grid-row: span 1; }
  .callout-banner { flex-direction: column; gap: 1rem; padding: 1.5rem; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { gap: 2rem; }
  .page-section { padding: 3.5rem 1.5rem; }
}
@media (max-width: 480px) {
  .astro-gallery { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .astro-gallery-item { aspect-ratio: 16/9; height: auto; }
}

/* ── Integrated CAD section ── */
.cad-integrated { background: var(--bg-surface); border: 1px solid var(--border-card); border-radius: var(--radius-lg); overflow: hidden; margin-top: 2rem; }
.cad-integrated-tabs { display: flex; border-bottom: 1px solid var(--border-subtle); overflow-x: auto; scrollbar-width: none; background: rgba(8,8,22,0.85); backdrop-filter: blur(10px); }
.cad-integrated-tabs::-webkit-scrollbar { display: none; }
.cad-integrated-tabs .stl-tab { padding: 0.8rem 1.4rem; font-family: var(--font-display); font-size: 0.73rem; font-weight: 500; letter-spacing: 0.04em; color: var(--text-muted); cursor: pointer; white-space: nowrap; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s, background 0.2s; }
.cad-integrated-tabs .stl-tab:hover { color: var(--text-secondary); background: var(--bg-glass); }
.cad-integrated-tabs .stl-tab.active { color: var(--text-primary); border-color: var(--accent-blue); }
.cad-integrated-body { display: grid; grid-template-columns: 1fr 1fr; }
.cad-integrated-desc { padding: 2rem 2.5rem; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--border-subtle); }
.cad-integrated-viewer { position: relative; min-height: 520px; }
@media (max-width: 1024px) {
  .cad-integrated-body { grid-template-columns: 1fr; }
  .cad-integrated-desc { border-right: none; border-bottom: 1px solid var(--border-subtle); }
  .cad-integrated-viewer { min-height: 420px; }
}

/* ── Lightbox Modal ── */
.lightbox {
  position: fixed; inset: 0; z-index: 99999;
  background: rgba(5, 5, 13, 0.85); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.lightbox.active { opacity: 1; pointer-events: auto; }
.lightbox img {
  max-width: 90vw; max-height: 90vh; border-radius: var(--radius-md);
  box-shadow: 0 16px 64px rgba(0,0,0,0.8); object-fit: contain;
  transform: scale(0.95); transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.lightbox.active img { transform: scale(1); }
.lightbox-close {
  position: absolute; top: 1.5rem; right: 2rem;
  color: var(--text-secondary); background: none; border: none;
  font-size: 2rem; cursor: pointer; transition: color 0.2s;
}
.lightbox-close:hover { color: #fff; }

/* ── Interactive Image Target ── */
.lightbox-trigger { cursor: zoom-in; }

/* ── Star canvas (shared across pages) ── */
#stars { position: fixed; inset: 0; z-index: 0; pointer-events: none; }

/* ── Page Transition Overlay ── */
.page-transition {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--bg-void);
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease;
}
.page-transition.leaving { opacity: 1; pointer-events: auto; }
.page-transition.entering { opacity: 1; pointer-events: none; transition: none; }

/* ── Scroll Progress Bar ── */
.scroll-progress {
  position: fixed; top: 0; left: 0; z-index: 9999;
  height: 2px; width: 0;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-violet));
  transition: width 0.1s linear;
  pointer-events: none;
}

/* ── Mobile Navigation Drawer ── */
.nav-hamburger {
  display: none;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 2.2rem; height: 2.2rem;
  background: var(--bg-glass); border: 1px solid var(--border-card);
  border-radius: var(--radius-sm); cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  padding: 0;
}
.nav-hamburger:hover { background: var(--bg-glass-hover); border-color: var(--accent-blue); }
.nav-hamburger span {
  display: block; width: 14px; height: 1.5px;
  background: var(--text-secondary);
  transition: transform 0.25s ease, opacity 0.25s ease, width 0.25s ease;
  border-radius: 1px;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); width: 16px; background: var(--text-primary); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); width: 16px; background: var(--text-primary); }

.nav-drawer-overlay {
  position: fixed; inset: 0; z-index: 890;
  background: rgba(5,5,13,0.65); backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.nav-drawer-overlay.open { opacity: 1; pointer-events: auto; }

.nav-drawer {
  position: fixed; top: 0; right: 0; z-index: 895;
  width: min(280px, 80vw); height: 100vh;
  background: var(--bg-deep);
  border-left: 1px solid var(--border-subtle);
  padding: 5rem 2rem 2rem;
  display: flex; flex-direction: column; gap: 0.25rem;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(20px);
}
.nav-drawer.open { transform: translateX(0); }
.nav-drawer a {
  display: block; padding: 0.75rem 0.5rem;
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 600;
  color: var(--text-secondary); border-bottom: 1px solid var(--border-subtle);
  transition: color 0.2s, padding-left 0.2s;
}
.nav-drawer a:hover, .nav-drawer a.active { color: var(--text-primary); padding-left: 0.75rem; }
.nav-drawer a:last-child { border-bottom: none; }
.nav-drawer-label {
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.5rem;
  padding-left: 0.5rem;
}

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
}

/* ── Grain / Noise Texture Overlay ── */
body::after {
  content: '';
  position: fixed; inset: 0; z-index: 99998;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* ── Reveal Direction Variants ── */
.reveal-left  { opacity: 0; transform: translateX(-28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right { opacity: 0; transform: translateX(28px);  transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible, .reveal-right.visible { opacity: 1; transform: translate(0); }

/* ── Section Label with Accent Line ── */
.section-label {
  display: inline-flex; align-items: center; gap: 0.6rem;
  margin-bottom: 0.75rem;
}
.section-label::before {
  content: '';
  display: block; height: 1px; width: 0;
  background: var(--accent-blue);
  transition: width 0.5s ease;
  flex-shrink: 0;
}
.section-label.visible::before { width: 1.5rem; }

/* ── Enhanced Ticker Hover ── */
.ticker-item { position: relative; }
.ticker-item::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--accent-blue), var(--accent-violet));
  transform: scaleY(0); transition: transform 0.25s ease;
  transform-origin: bottom;
}
.ticker-item:hover::before { transform: scaleY(1); }
.ticker-item:hover .ticker-number { opacity: 1; color: var(--accent-violet); }
.ticker-number { transition: opacity 0.2s, color 0.2s; }

/* ── Stat Counter ── */
.stat-num[data-target] { transition: none; }