/* ===================================================================
   AEROSPACE — space.css (viewer page only)
   Palette:
     --void #0a0a0c  --charcoal #17171b  --silver #c9ccd4
     --frost #eef1f6  --ice #8fc6ff  --ice-2 #5fa8ff  --line #3a3a41
   Glass tokens use CSS 4-digit shorthand hex (#RGBA) for translucency.
=================================================================== */

@font-face {
  font-family: "Mightyspidey";
  src: url("../assets/fonts/Mightyspidey-pmaa.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root{
  --void:#0a0a0c;
  --charcoal:#17171b;
  --silver:#c9ccd4;
  --frost:#eef1f6;
  --ice:#8fc6ff;
  --ice-2:#5fa8ff;
  --line:#3a3a41;

  /* 4-digit hex (#RGBA) glass tokens */
  --glass-fill:#fff2;
  --glass-fill-soft:#fff1;
  --glass-fill-strong:#fff3;
  --glass-border:#fff3;
  --glass-border-soft:#fff2;
  --glass-border-strong:#fff4;
  --shadow-deep:#0009;
  --ice-tint:#8cf5;

  --font-display:"Mightyspidey", "Inter", sans-serif;
  --font-body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:"Space Mono", ui-monospace, monospace;
  --font-serif:"Playfair Display", Georgia, serif;

  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; overflow-x: hidden; width: 100%; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

body{
  margin:0;
  background: var(--void);
  color: var(--silver);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
::selection{ background: var(--ice-tint); color: var(--void); }
button{ font-family: inherit; }

/* grain so flat black doesn't look dead */
.noise-overlay{
  position: fixed; inset:0; pointer-events:none; z-index: 3;
  opacity:.03; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* soft ambient starfield, pure CSS, cheap to render */
.starfield{
  position: fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 20%, #ffffff55 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 80% 10%, #ffffff40 50%, transparent 51%),
    radial-gradient(1px 1px at 60% 35%, #ffffff50 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 30% 60%, #ffffff35 50%, transparent 51%),
    radial-gradient(1px 1px at 90% 70%, #ffffff45 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 15% 85%, #ffffff30 50%, transparent 51%),
    radial-gradient(1px 1px at 45% 15%, #ffffff40 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 70% 90%, #ffffff35 50%, transparent 51%);
  background-repeat: repeat;
  background-size: 900px 900px;
  opacity:.6;
}

/* background ambient glow, fixed behind everything */
body::before{
  content:"";
  position: fixed; top:-20%; left:50%; transform: translateX(-50%);
  width: min(1400px, 100vw); height: 900px;
  background: radial-gradient(closest-side, #1a2a4a4d, transparent 70%);
  z-index: 0; pointer-events:none;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ice);
  margin: 0 0 .9rem;
}

/* ===================== NAV ===================== */
.nav{
  position: sticky; top:0; z-index: 40;
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  background: #0a0a0cb0;
  border-bottom: 1px solid var(--glass-border-soft);
}
.nav-inner{
  max-width: 1180px; margin:0 auto;
  display:flex; align-items:center; justify-content: space-between;
  padding: .85rem 1.5rem;
}
.brand-mark{ height: 24px; width:auto; }

.back-link{
  display:inline-flex; align-items:center; gap:.5rem;
  font-size:.88rem; color: var(--silver); opacity:.8;
}
.back-link svg{ width:16px; height:16px; stroke:currentColor; fill:none; stroke-width:2; }
.back-link:hover{ opacity:1; color: var(--frost); }

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  border-radius: 999px;
  padding: .78rem 1.5rem;
  font-weight: 600;
  font-size: .92rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .18s var(--ease-spring), background .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
  white-space: nowrap;
}
.btn:active{ transform: scale(.95); }
.btn-solid{
  background: linear-gradient(180deg, #ffffff, #dfe4ee);
  color: var(--void);
  box-shadow: 0 8px 24px #ffffff22, inset 0 1px 0 #fff;
}
.btn-solid:hover{ transform: translateY(-1px); box-shadow: 0 12px 30px #ffffff33, inset 0 1px 0 #fff; }
.btn-ghost{
  background: var(--glass-fill);
  color: var(--frost);
  border-color: var(--glass-border);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover{ background: var(--glass-fill-strong); border-color: var(--glass-border-strong); transform: translateY(-1px); }

/* ===================== PAGE HERO ===================== */
.hero-inner{ max-width: 1000px; margin: 0 auto; text-align:center; }
.hero-title{
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: .03em;
  margin: 0 0 1.1rem;
  background: linear-gradient(180deg, var(--frost) 40%, #b9c6de 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 60px #8fc6ff2b;
}
.hero-sub{
  font-family: var(--font-serif);
  max-width: 580px; margin: 0 auto 3.2rem;
  font-size: 1.18rem; color: var(--silver); opacity:.88;
}

.page-hero{ padding: 3.4rem 1.5rem 1rem; text-align:center; position:relative; z-index:1; }
.page-hero .hero-title{ font-size: clamp(2.4rem, 9vw, 4.6rem); margin-bottom:.6rem; }
.page-hero .hero-sub{ margin-bottom: 2.4rem; }

/* ===================== MISSION VIEWPORT ===================== */
.viewport{ max-width: 900px; margin: 0 auto; }

.viewport-frame{
  position: relative;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, #ffffff10, #ffffff05);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(26px) saturate(170%);
  -webkit-backdrop-filter: blur(26px) saturate(170%);
  box-shadow: 0 40px 90px var(--shadow-deep), inset 0 1px 0 #ffffff33, inset 0 0 0 1px #ffffff08;
  overflow: hidden;
}

.archive-badge{
  position:absolute; top:16px; left:52px;
  z-index:4; font-family: var(--font-mono); font-size:.66rem; letter-spacing:.12em;
  text-transform:uppercase; color:var(--ice);
  background:#00000066; border:1px solid var(--glass-border-soft);
  padding:.3rem .8rem; border-radius:999px; backdrop-filter: blur(8px);
  max-width: calc(100% - 220px);
  overflow:hidden; white-space:nowrap; text-overflow:ellipsis;
}

.hud-corner{
  position:absolute; width: 28px; height: 28px; z-index: 3;
  border-color: #cfe0ffd9; border-style: solid; border-width: 0;
  pointer-events:none;
}
.hud-corner.tl{ top:14px; left:14px; border-top-width:2px; border-left-width:2px; border-top-left-radius: 10px; }
.hud-corner.tr{ top:14px; right:14px; border-top-width:2px; border-right-width:2px; border-top-right-radius: 10px; }
.hud-corner.bl{ bottom:14px; left:14px; border-bottom-width:2px; border-left-width:2px; border-bottom-left-radius: 10px; }
.hud-corner.br{ bottom:14px; right:14px; border-bottom-width:2px; border-right-width:2px; border-bottom-right-radius: 10px; }

.scanline{
  position:absolute; left:0; right:0; height: 2px; z-index: 2;
  background: linear-gradient(90deg, transparent, #8fc6ffcc, transparent);
  animation: scan 6s linear infinite;
  pointer-events:none;
}
@keyframes scan{
  0%{ top: 0%; opacity:0; }
  8%{ opacity:.9; }
  50%{ top: 100%; opacity:.9; }
  58%{ opacity:0; }
  100%{ top:100%; opacity:0; }
}

.viewport-media{
  position:relative;
  width:100%; aspect-ratio: 16/10;
  background: #000;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.viewport-media img,
.viewport-media iframe{
  width:100%; height:100%; object-fit: cover; border:0; display:block;
  opacity:0; transform: scale(1.02);
  transition: opacity .55s var(--ease), transform .7s var(--ease);
  cursor: zoom-in;
}
.viewport-media img.loaded,
.viewport-media iframe.loaded{
  opacity:1; transform: scale(1);
}

/* skeleton shimmer while a frame loads */
.skeleton{
  position:absolute; inset:0;
  background: linear-gradient(100deg, #ffffff08 30%, #ffffff17 45%, #ffffff08 60%);
  background-size: 250% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}
@keyframes shimmer{
  0%{ background-position: 130% 0; }
  100%{ background-position: -30% 0; }
}
.skeleton.hidden{ display:none; }

.viewport-toolbar{
  position:absolute; top:14px; right:52px; z-index:4;
  display:flex; gap:.4rem;
}
.tool-btn{
  width:34px; height:34px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:#00000066; border:1px solid var(--glass-border-soft);
  color: var(--frost); cursor:pointer;
  backdrop-filter: blur(8px);
  transition: background .2s var(--ease), transform .18s var(--ease-spring), color .2s var(--ease);
}
.tool-btn svg{ width:16px; height:16px; fill:none; stroke:currentColor; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.tool-btn:hover{ background:#ffffff26; transform: translateY(-1px); }
.tool-btn:active{ transform: scale(.9); }
.tool-btn[aria-pressed="true"]{ color:#ffd166; border-color:#ffd16680; }
.tool-btn[aria-pressed="true"] svg{ fill:#ffd166; }

.hud-strip{
  position:relative; z-index:2;
  display:flex; gap: 1.5rem;
  padding: 1.05rem 1.4rem;
  border-top: 1px solid var(--glass-border-soft);
  background: #00000059;
  font-family: var(--font-mono);
}
.hud-col{ display:flex; flex-direction:column; gap:.22rem; min-width:0; }
.hud-col-wide{ flex:1; }
.hud-label{
  font-size: .62rem; letter-spacing:.14em; text-transform:uppercase;
  color: var(--ice); opacity:.9;
}
.hud-value{
  font-size: .82rem; color: var(--frost);
  white-space: nowrap; overflow:hidden; text-overflow: ellipsis;
}

/* filmstrip */
.filmstrip-wrap{ margin-top: 1rem; }
.filmstrip{
  display:flex; gap:.6rem; overflow-x:auto; padding: .3rem .1rem 1rem;
  scroll-snap-type: x proximity;
  scrollbar-width: thin; scrollbar-color: #ffffff40 transparent;
}
.filmstrip::-webkit-scrollbar{ height:5px; }
.filmstrip::-webkit-scrollbar-thumb{ background:#ffffff33; border-radius:999px; }

.film-item{
  flex: 0 0 auto; width:74px; height:52px; border-radius: 10px;
  overflow:hidden; position:relative; cursor:pointer;
  border: 1px solid var(--glass-border-soft);
  background:#ffffff08;
  scroll-snap-align:center;
  transition: border-color .2s var(--ease), transform .18s var(--ease-spring);
}
.film-item img{ width:100%; height:100%; object-fit:cover; opacity:0; transition: opacity .4s var(--ease); }
.film-item img.loaded{ opacity:1; }
.film-item:hover{ transform: translateY(-2px); }
.film-item.active{ border-color: var(--ice); box-shadow: 0 0 0 2px #8fc6ff40; }
.film-item .film-label{
  position:absolute; bottom:2px; right:4px; font-family:var(--font-mono);
  font-size:.55rem; color:#fff; text-shadow:0 1px 2px #000;
}
.film-item.placeholder{ display:flex; align-items:center; justify-content:center; }
.film-item.placeholder span{ width:6px;height:6px;border-radius:50%; background:#ffffff40; animation:pulse 1.1s ease-in-out infinite; }

@keyframes pulse{
  0%,80%,100%{ transform: scale(.6); opacity:.4; }
  40%{ transform: scale(1); opacity:1; }
}

.viewport-controls{
  display:flex; align-items:center; justify-content:center; gap: .7rem;
  flex-wrap: wrap; margin-top: .4rem;
}
.ctrl-btn{
  width: 44px; height:44px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background: var(--glass-fill); border:1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  cursor:pointer; color: var(--frost);
  transition: background .2s var(--ease), transform .18s var(--ease-spring);
}
.ctrl-btn:hover{ background: var(--glass-fill-strong); }
.ctrl-btn:active{ transform: scale(.92); }
.ctrl-btn svg{ width:18px; height:18px; fill:none; stroke:currentColor; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }

.date-input{
  font-family: var(--font-mono);
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  color: var(--frost);
  padding: .7rem .95rem;
  border-radius: 999px;
  backdrop-filter: blur(10px);
  font-size:.85rem;
  color-scheme: dark;
}

.explanation{
  font-family: var(--font-serif);
  max-width: 720px; margin: 1.6rem auto 0;
  font-size: 1.05rem; color: var(--silver); opacity:.85;
  text-align:center;
}
.credit{
  max-width:720px; margin:.5rem auto 0; text-align:center;
  font-family: var(--font-mono); font-size:.72rem; color: var(--ice); opacity:.8;
}
.credit:empty{ display:none; }
.kbd-hint{
  text-align:center; font-size:.74rem; opacity:.4; margin-top:1.4rem;
}
kbd{
  font-family: var(--font-mono); background:#ffffff14; border:1px solid #ffffff26;
  border-radius:4px; padding:.05rem .35rem; font-size:.7rem;
}

.agency-note{
  display:flex; align-items:center; gap: .9rem;
  max-width: 580px; margin: 3.2rem auto 0;
  padding: .95rem 1.3rem;
  border-radius: var(--radius-md);
  background: var(--glass-fill-soft);
  border: 1px solid var(--glass-border-soft);
  text-align:left;
}
.agency-badge{
  width: 46px; height:46px; flex-shrink:0;
  background: var(--frost);
  border-radius: 50%;
  padding: 5px;
  box-shadow: 0 4px 14px var(--shadow-deep);
}
.agency-note p{ font-family: var(--font-serif); font-size:.85rem; opacity:.68; margin:0; }

/* ===================== LIGHTBOX ===================== */
.lightbox{
  position:fixed; inset:0; z-index:100;
  background:#000000e6; backdrop-filter: blur(10px);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none;
  transition: opacity .3s var(--ease);
}
.lightbox.open{ opacity:1; pointer-events:auto; }
.lightbox-stage{ max-width:92vw; max-height:88vh; }
.lightbox-stage img{ max-width:92vw; max-height:88vh; width:auto; border-radius: 12px; box-shadow: 0 30px 80px #000c; }
.lightbox-close{
  position:absolute; top:22px; right:22px; width:44px; height:44px; border-radius:50%;
  background:#ffffff14; border:1px solid #ffffff26; color:#fff; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
}
.lightbox-close svg{ width:18px; height:18px; stroke:currentColor; fill:none; stroke-width:2; }

/* ===================== FOOTER ===================== */
.footer{ border-top: 1px solid var(--glass-border-soft); padding: 3rem 1.5rem 2rem; position: relative; z-index:1; }
.footer-inner{
  max-width: 1080px; margin: 0 auto;
  display:flex; align-items:center; justify-content:space-between; gap:1.5rem;
  flex-wrap: wrap; padding-bottom: 1.6rem;
  border-bottom: 1px solid var(--glass-border-soft);
}
.footer-brand{ display:flex; align-items:center; gap:1rem; }
.footer-mark{ height:22px; width:auto; opacity:.9; }
.footer-brand p{ font-family: var(--font-serif); font-style: italic; font-size:.88rem; opacity:.62; margin:0; }
.footer-badge img{
  width:38px; height:38px; opacity:.95;
  background: var(--frost); border-radius:50%; padding:4px;
}

.footer-legal{
  max-width: 1080px; margin: 1.4rem auto 0;
  display:flex; gap: 1.4rem; flex-wrap:wrap;
  font-size:.78rem; opacity:.55;
}
.footer-legal p{ margin:0; }
.footer-copy{ margin-left:auto; }

@media (max-width: 560px){
  .footer-legal{ flex-direction:column; gap:.4rem; }
  .footer-copy{ margin-left:0; }
  .viewport-toolbar{ right:10px; }
  .archive-badge{ left:10px; max-width: calc(100% - 175px); font-size:.58rem; padding:.26rem .6rem; }
}