/* =============================================================================
   danieljorgejr.com — COSMIC DESIGN SYSTEM
   A new piece of the universe, every day.
   Dark void palette · Space Grotesk / Inter / Space Mono · tasteful motion.
   Honors prefers-reduced-motion. Built for a kid who loves the stars.
   ============================================================================= */
:root{
  /* --- Void & deep space --- */
  --void:#05060A;
  --void-2:#0A0E1A;
  --navy:#0D1B3E;
  --panel:rgba(18,22,40,.55);
  --panel-solid:#0e1326;
  --line:rgba(148,163,184,.16);
  --line-2:rgba(148,163,184,.30);

  /* --- Nebula accents --- */
  --purple:#7C3AED;
  --magenta:#EC4899;
  --cyan:#38BDF8;
  --gold:#FBBF24;

  /* --- Text --- */
  --star:#F8FAFC;
  --dust:#94A3B8;
  --dust-2:#64748B;

  /* --- Signature gradient (hero, headings, key CTAs) --- */
  --grad:linear-gradient(100deg,#A78BFA 0%,#7C3AED 24%,#38BDF8 60%,#EC4899 100%);
  --grad-soft:linear-gradient(100deg,#7C3AED,#38BDF8,#EC4899);

  --maxw:1200px;
  --gutter:clamp(20px,5vw,72px);
  --radius:18px;
  --radius-lg:26px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --display:'Space Grotesk',system-ui,-apple-system,Segoe UI,sans-serif;
  --body:'Inter',system-ui,-apple-system,Segoe UI,sans-serif;
  --mono:'Space Mono','JetBrains Mono',ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);color:var(--star);background:var(--void);
  line-height:1.65;font-size:clamp(1rem,.97rem + .18vw,1.07rem);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh;
  position:relative;
}

/* --- Deep-space backdrop: layered nebula glows + starfield --- */
.sky{position:fixed;inset:0;z-index:-3;pointer-events:none;overflow:hidden;background:
  radial-gradient(120% 90% at 50% -10%, #10183a 0%, var(--void-2) 42%, var(--void) 78%);}
.sky::before{ /* nebula clouds */
  content:"";position:absolute;inset:-20%;background:
    radial-gradient(40% 32% at 18% 22%, rgba(124,58,237,.28), transparent 60%),
    radial-gradient(38% 30% at 82% 14%, rgba(56,189,248,.20), transparent 60%),
    radial-gradient(46% 38% at 70% 80%, rgba(236,72,153,.18), transparent 62%),
    radial-gradient(40% 30% at 12% 78%, rgba(99,102,241,.16), transparent 60%);
  filter:blur(8px);animation:drift 60s var(--ease) infinite alternate;
}
.stars{position:fixed;inset:0;z-index:-2;pointer-events:none;}
.stars span{position:absolute;border-radius:50%;background:#fff;opacity:.85;
  box-shadow:0 0 6px 1px rgba(255,255,255,.5);animation:twinkle 4s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.25}50%{opacity:.95}}
@keyframes drift{0%{transform:translate3d(0,0,0) scale(1)}100%{transform:translate3d(-3%,2%,0) scale(1.08)}}

/* comet streak */
.comet{position:fixed;top:-10%;left:-10%;width:2px;height:2px;border-radius:50%;
  background:#fff;box-shadow:0 0 8px 2px #fff;z-index:-2;opacity:0;
  animation:comet 14s linear infinite;animation-delay:6s}
.comet::after{content:"";position:absolute;right:0;top:50%;width:160px;height:1px;
  transform:translateY(-50%);background:linear-gradient(90deg,transparent,rgba(167,139,250,.85))}
@keyframes comet{0%{transform:translate(0,0) rotate(28deg);opacity:0}
  6%{opacity:.9}18%{opacity:0;transform:translate(70vw,55vh) rotate(28deg)}100%{opacity:0}}

a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--purple);color:#fff}

h1,h2,h3,h4,.display{font-family:var(--display);font-weight:600;line-height:1.05;letter-spacing:-.02em}
.mono{font-family:var(--mono)}

.wrap{width:min(var(--maxw),calc(100% - var(--gutter)*2));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;left:18px;top:-60px;z-index:200;background:var(--purple);color:#fff;
  padding:.7rem 1rem;border-radius:10px;transition:top .2s;font-weight:600}
.skip:focus{top:14px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  background-size:160% 160%;animation:hue 16s ease infinite}
@keyframes hue{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--mono);
  font-size:.72rem;font-weight:700;letter-spacing:.26em;text-transform:uppercase;color:var(--cyan)}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--cyan);display:inline-block;opacity:.7}

/* =========================== BUTTONS =========================== */
.btn{display:inline-flex;align-items:center;gap:.55rem;border:1px solid transparent;border-radius:999px;
  padding:.85rem 1.5rem;font-weight:600;font-size:.98rem;transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s;
  will-change:transform}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--grad);background-size:160% 160%;color:#fff;box-shadow:0 10px 30px -10px rgba(124,58,237,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -10px rgba(236,72,153,.6);background-position:100% 50%}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line-2);color:var(--star)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-sm{padding:.55rem 1rem;font-size:.85rem}

/* =========================== NAV =========================== */
.site-header{position:sticky;top:0;z-index:80;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(5,6,10,.55);border-bottom:1px solid var(--line);transition:background .3s}
.site-header.scrolled{background:rgba(5,6,10,.82)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:72px}
.brand{display:flex;align-items:center;gap:.7rem;font-family:var(--display);font-weight:700;letter-spacing:-.02em}
.brand .mark{width:38px;height:38px;flex:none}
.brand b{font-size:1.06rem;line-height:1;display:flex;flex-direction:column}
.brand b span{font-size:.72rem;font-weight:500;color:var(--dust);letter-spacing:.04em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:.3rem}
.nav-links a{padding:.5rem .8rem;border-radius:10px;font-size:.92rem;color:var(--dust);font-weight:500;transition:color .2s,background .2s}
.nav-links a:hover,.nav-links a.active{color:var(--star);background:rgba(255,255,255,.05)}
.nav-end{display:flex;align-items:center;gap:.5rem}
.social-row{display:flex;align-items:center;gap:.2rem}
.social-row a{display:grid;place-items:center;width:36px;height:36px;border-radius:9px;color:var(--dust);transition:color .2s,background .2s}
.social-row a:hover{color:var(--star);background:rgba(255,255,255,.06)}
.social-row svg{width:18px;height:18px}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line-2);border-radius:10px;background:transparent;
  flex-direction:column;gap:4px;align-items:center;justify-content:center}
.burger span{width:18px;height:2px;background:var(--star);border-radius:2px;transition:.25s}
.mobile-menu{display:none;flex-direction:column;gap:.2rem;padding:.6rem 0 1rem}
.mobile-menu a{padding:.8rem .4rem;border-radius:10px;color:var(--dust);font-weight:500;border-bottom:1px solid var(--line)}
.mobile-menu a:hover{color:var(--star)}

/* =========================== HERO =========================== */
.hero{position:relative;padding:clamp(3rem,8vw,6rem) 0 clamp(3rem,7vw,5rem);text-align:center}
.date-badge{display:inline-flex;align-items:center;gap:.6rem;padding:.5rem 1.1rem;border-radius:999px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.03);font-family:var(--mono);
  font-size:.78rem;letter-spacing:.06em;color:var(--dust);margin-bottom:1.6rem}
.date-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px 2px var(--gold);
  animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.7)}}
.hero .cat-tag{margin-bottom:1.1rem}
.hero h1{font-size:clamp(2.2rem,6.4vw,4.6rem);margin:0 auto 1.2rem;max-width:16ch}
.hero .summary{font-size:clamp(1.05rem,1.4vw,1.3rem);color:var(--dust);max-width:60ch;margin:0 auto 2rem;line-height:1.6}
.wow-callout{display:flex;align-items:center;gap:1rem;justify-content:center;flex-wrap:wrap;
  max-width:760px;margin:0 auto 2.2rem;padding:1.2rem 1.6rem;border-radius:var(--radius);
  border:1px solid var(--line-2);background:linear-gradient(180deg,rgba(124,58,237,.12),rgba(56,189,248,.05));
  box-shadow:0 20px 60px -30px rgba(124,58,237,.6)}
.wow-callout .wow-label{font-family:var(--mono);font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);white-space:nowrap}
.wow-callout .wow-text{font-family:var(--display);font-weight:600;font-size:clamp(1.1rem,2vw,1.5rem);line-height:1.25}
.hero-actions{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}

.cat-tag{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .9rem;border-radius:999px;
  font-size:.8rem;font-weight:600;border:1px solid var(--line-2);background:rgba(255,255,255,.04);color:var(--cyan)}
.cat-tag .emoji{font-size:.95rem;filter:saturate(1.1)}

/* hero reveal animation */
.reveal-up{opacity:0;transform:translateY(22px);animation:revealUp .9s var(--ease) forwards}
.reveal-up.d1{animation-delay:.05s}.reveal-up.d2{animation-delay:.16s}.reveal-up.d3{animation-delay:.28s}
.reveal-up.d4{animation-delay:.4s}.reveal-up.d5{animation-delay:.52s}
@keyframes revealUp{to{opacity:1;transform:none}}

/* =========================== SECTIONS =========================== */
.section{padding:clamp(3rem,7vw,5.5rem) 0;position:relative}
.section-head{max-width:62ch;margin-bottom:2.6rem}
.section-head.center{margin-inline:auto;text-align:center}
.section-head h2{font-size:clamp(1.8rem,4vw,2.8rem);margin:.7rem 0 .8rem}
.section-head p{color:var(--dust);font-size:1.06rem}

/* on-scroll reveal */
.io{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.io.in{opacity:1;transform:none}

/* =========================== EXPLORE CARDS =========================== */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.1rem}
.cat-card{position:relative;display:block;padding:1.6rem;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);backdrop-filter:blur(8px);
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s}
.cat-card::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .35s;
  background:radial-gradient(80% 80% at 30% 0%,rgba(124,58,237,.25),transparent 70%)}
.cat-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 24px 60px -30px rgba(124,58,237,.7)}
.cat-card:hover::before{opacity:1}
.cat-card .glyph{position:relative;width:52px;height:52px;display:grid;place-items:center;border-radius:14px;
  background:linear-gradient(160deg,rgba(124,58,237,.3),rgba(56,189,248,.15));border:1px solid var(--line-2);margin-bottom:1.1rem}
.cat-card .glyph svg{width:28px;height:28px;color:var(--star)}
.cat-card h3{position:relative;font-size:1.2rem;margin-bottom:.4rem}
.cat-card p{position:relative;color:var(--dust);font-size:.92rem;line-height:1.5}
.cat-card .count{position:relative;display:inline-block;margin-top:.9rem;font-family:var(--mono);font-size:.74rem;
  color:var(--cyan);letter-spacing:.06em}

/* =========================== FACT CARDS (explore/archive grids) =========================== */
.fact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:1.1rem}
.fact-card{position:relative;display:flex;flex-direction:column;text-align:left;padding:1.5rem;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--panel);backdrop-filter:blur(8px);overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;width:100%;color:inherit;cursor:pointer}
.fact-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 22px 56px -30px rgba(56,189,248,.6)}
.fact-card .cat-tag{align-self:flex-start;margin-bottom:.9rem}
.fact-card h3{font-size:1.1rem;line-height:1.25;margin-bottom:.55rem}
.fact-card p{color:var(--dust);font-size:.92rem;line-height:1.5}
.fact-card .wow-mini{margin-top:1rem;padding-top:.9rem;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.78rem;color:var(--gold);line-height:1.4}

/* =========================== PHOTO OF THE DAY (APOD) =========================== */
.apod{display:grid;grid-template-columns:1.3fr 1fr;gap:0;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel-solid)}
.apod-media{position:relative;min-height:340px;background:#05060a}
.apod-media img,.apod-media iframe{width:100%;height:100%;object-fit:cover;display:block;border:0}
.apod-media .loading{position:absolute;inset:0;display:grid;place-items:center;color:var(--dust);font-family:var(--mono);font-size:.85rem}
.apod-body{padding:2rem;display:flex;flex-direction:column;justify-content:center;gap:.7rem}
.apod-body .eyebrow{margin-bottom:.4rem}
.apod-body h3{font-size:clamp(1.3rem,2.4vw,1.9rem)}
.apod-body .apod-expl{color:var(--dust);font-size:.95rem;max-height:9.5rem;overflow:auto;line-height:1.6}
.apod-body .apod-credit{font-family:var(--mono);font-size:.74rem;color:var(--dust-2);margin-top:.3rem}

/* =========================== THIS WEEK / YOUTUBE =========================== */
.yt-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:2rem;align-items:center}
.yt-embed{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-2);
  background:linear-gradient(160deg,#10183a,#05060a)}
.yt-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt-placeholder{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:2rem;color:var(--dust)}
.yt-placeholder svg{width:54px;height:54px;color:var(--magenta);margin-bottom:1rem}
.yt-side h3{font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:.8rem}
.yt-side p{color:var(--dust);margin-bottom:1.4rem}

/* =========================== STATS TICKER =========================== */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(13,27,62,.4),transparent);overflow:hidden}
.ticker-inner{display:flex;align-items:center;justify-content:center;min-height:128px;text-align:center;padding:1.4rem 0}
.ticker-item{transition:opacity .6s}
.ticker-value{font-family:var(--display);font-weight:700;font-size:clamp(2rem,5vw,3.4rem)}
.ticker-label{color:var(--star);font-size:1.05rem;margin-top:.2rem}
.ticker-detail{color:var(--dust);font-size:.9rem;margin-top:.35rem}

/* =========================== STAY IN ORBIT =========================== */
.orbit{text-align:center;padding:clamp(2.6rem,6vw,4.5rem) 1.4rem;border-radius:var(--radius-lg);
  border:1px solid var(--line-2);background:
    radial-gradient(80% 120% at 50% 0%,rgba(124,58,237,.18),transparent 60%),var(--panel)}
.orbit h2{font-size:clamp(1.7rem,3.6vw,2.6rem);margin-bottom:.7rem}
.orbit p{color:var(--dust);max-width:48ch;margin:0 auto 1.8rem}
.orbit .social-big{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap}
.orbit .social-big a{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.2rem;border-radius:999px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.03);font-weight:600;transition:.25s}
.orbit .social-big a:hover{transform:translateY(-2px);border-color:var(--cyan);background:rgba(56,189,248,.08)}
.orbit .social-big svg{width:18px;height:18px}

/* =========================== ARCHIVE TEASER =========================== */
.archive-teaser{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;
  padding:2.2rem;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--panel)}
.archive-teaser h2{font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:.5rem}
.archive-teaser p{color:var(--dust)}

/* =========================== FOOTER =========================== */
.site-footer{border-top:1px solid var(--line);padding:3rem 0 2.4rem;margin-top:2rem}
.footer-grid{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;align-items:flex-start}
.footer-brand{max-width:34ch}
.footer-brand p{color:var(--dust);font-size:.92rem;margin-top:.9rem}
.footer-nav{display:flex;gap:2.4rem;flex-wrap:wrap}
.footer-col h4{font-size:.78rem;font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--dust-2);margin-bottom:.9rem}
.footer-col a{display:block;color:var(--dust);font-size:.92rem;padding:.25rem 0;transition:color .2s}
.footer-col a:hover{color:var(--star)}
.footer-bottom{margin-top:2.4rem;padding-top:1.6rem;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;color:var(--dust-2);font-size:.84rem}
.heart{color:var(--magenta)}

/* =========================== MODAL (share / fact detail) =========================== */
.modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:1.2rem;
  background:rgba(3,4,8,.74);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.modal.open{display:flex;animation:fade .25s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-card{position:relative;width:min(680px,100%);max-height:90vh;overflow:auto;border-radius:var(--radius-lg);
  border:1px solid var(--line-2);background:var(--panel-solid);padding:1.8rem;
  box-shadow:0 40px 120px -40px rgba(124,58,237,.7)}
.modal-close{position:absolute;top:1rem;right:1rem;width:38px;height:38px;border-radius:10px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);color:var(--star);display:grid;place-items:center}
.modal-close:hover{background:rgba(255,255,255,.1)}
.modal h3{font-size:1.5rem;margin-bottom:.4rem;padding-right:2.5rem}
.modal .modal-sub{color:var(--dust);font-size:.95rem;margin-bottom:1.2rem}

/* tabs */
.tabs{display:flex;gap:.3rem;border-bottom:1px solid var(--line);margin-bottom:1.3rem;flex-wrap:wrap}
.tab{padding:.6rem .9rem;border:0;background:transparent;color:var(--dust);font-weight:600;font-size:.9rem;
  border-bottom:2px solid transparent;transition:.2s}
.tab.active{color:var(--star);border-bottom-color:var(--magenta)}
.tabpane{display:none}.tabpane.active{display:block;animation:fade .25s ease}

/* copy rows (social pack) */
.copy-row{border:1px solid var(--line);border-radius:14px;padding:1rem;margin-bottom:.8rem;background:rgba(255,255,255,.02)}
.copy-row .copy-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:.5rem}
.copy-row .copy-label{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
.copy-row .copy-text{color:var(--dust);font-size:.9rem;white-space:pre-wrap;line-height:1.55}
.copy-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .8rem;border-radius:999px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);color:var(--star);font-size:.8rem;font-weight:600;transition:.2s;flex:none}
.copy-btn:hover{border-color:var(--cyan);background:rgba(56,189,248,.1)}
.copy-btn.done{border-color:#34d399;color:#34d399}

/* share-card preview */
.card-preview{display:flex;flex-direction:column;align-items:center;gap:1rem}
.card-preview canvas{width:100%;max-width:340px;height:auto;border-radius:14px;border:1px solid var(--line-2);background:#05060a}
.card-format{display:inline-flex;gap:.3rem;padding:.25rem;border:1px solid var(--line-2);border-radius:999px;background:rgba(255,255,255,.03)}
.card-format button{padding:.4rem .9rem;border:0;border-radius:999px;background:transparent;color:var(--dust);font-weight:600;font-size:.82rem}
.card-format button.active{background:var(--grad);color:#fff}

/* =========================== PAGE HEADER (subpages) =========================== */
.page-head{padding:clamp(2.6rem,7vw,4.5rem) 0 1.5rem;text-align:center}
.page-head h1{font-size:clamp(2rem,5vw,3.4rem);margin-bottom:.8rem}
.page-head p{color:var(--dust);max-width:56ch;margin:0 auto;font-size:1.06rem}

/* search + filter controls */
.controls{display:flex;gap:.8rem;flex-wrap:wrap;align-items:center;justify-content:center;margin-bottom:2rem}
.search-box{display:flex;align-items:center;gap:.6rem;padding:.7rem 1.1rem;border-radius:999px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.03);min-width:min(420px,100%)}
.search-box svg{width:18px;height:18px;color:var(--dust)}
.search-box input{flex:1;background:transparent;border:0;color:var(--star);font-size:.95rem;font-family:inherit;outline:none}
.search-box input::placeholder{color:var(--dust-2)}
.chips{display:flex;gap:.45rem;flex-wrap:wrap;justify-content:center}
.chip{padding:.5rem .95rem;border-radius:999px;border:1px solid var(--line-2);background:rgba(255,255,255,.03);
  color:var(--dust);font-size:.85rem;font-weight:600;transition:.2s}
.chip:hover{color:var(--star)}
.chip.active{background:var(--grad);color:#fff;border-color:transparent}
.result-count{text-align:center;color:var(--dust-2);font-family:var(--mono);font-size:.8rem;margin-bottom:1.4rem}

/* empty / loading / error states */
.state{text-align:center;padding:4rem 1rem;color:var(--dust)}
.state .orbit-loader{width:46px;height:46px;margin:0 auto 1.2rem;border-radius:50%;
  border:2px solid var(--line-2);border-top-color:var(--cyan);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.state h3{font-family:var(--display);color:var(--star);margin-bottom:.5rem}

/* date picker (archive) */
.date-lookup{display:flex;gap:.7rem;flex-wrap:wrap;align-items:center;justify-content:center;margin-bottom:1.4rem}
.date-lookup input[type=date]{padding:.6rem .9rem;border-radius:12px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);color:var(--star);font-family:var(--mono);font-size:.9rem;color-scheme:dark}

/* prose (about) */
.prose{max-width:64ch;margin-inline:auto}
.prose p{color:var(--dust);margin-bottom:1.2rem;font-size:1.05rem;line-height:1.75}
.prose h2{font-size:1.6rem;margin:2.4rem 0 1rem}
.prose strong{color:var(--star)}
.prose .lead{font-size:1.2rem;color:var(--star)}

/* word chips (space_words glossary in modal/fact) */
.word-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.word-chip{padding:.5rem .8rem;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.02);font-size:.85rem}
.word-chip b{color:var(--cyan)}
.word-chip span{color:var(--dust)}

.think-box{margin-top:1.2rem;padding:1rem 1.2rem;border-left:3px solid var(--magenta);border-radius:0 12px 12px 0;
  background:rgba(236,72,153,.06);color:var(--star);font-style:italic}

/* studio specific */
.studio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.2rem;margin-bottom:2rem}
.studio-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:1.5rem}
.studio-panel h3{font-size:1.2rem;margin-bottom:.4rem}
.studio-panel p.muted{color:var(--dust);font-size:.9rem;margin-bottom:1.1rem}
.recap-output{white-space:pre-wrap;font-family:var(--mono);font-size:.82rem;line-height:1.6;color:var(--dust);
  background:#05060a;border:1px solid var(--line);border-radius:14px;padding:1.2rem;max-height:520px;overflow:auto;margin-top:1rem}

/* toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);z-index:200;
  padding:.8rem 1.3rem;border-radius:999px;background:var(--panel-solid);border:1px solid var(--line-2);
  color:var(--star);font-weight:600;font-size:.9rem;opacity:0;pointer-events:none;transition:.3s;box-shadow:0 20px 50px -20px rgba(0,0,0,.8)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* =========================== RESPONSIVE =========================== */
@media(max-width:880px){
  .nav-links{display:none}
  .social-row{display:none}
  .burger{display:flex}
  .site-header.open .mobile-menu{display:flex}
  .apod{grid-template-columns:1fr}
  .apod-media{min-height:260px}
  .yt-wrap{grid-template-columns:1fr}
}
@media(max-width:560px){
  .wow-callout{flex-direction:column;text-align:center;gap:.5rem}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .archive-teaser{flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column}
}

/* =========================== HERO FIGURE (astronaut) =========================== */
.hero-grid{display:grid;gap:clamp(1.4rem,4vw,3rem);align-items:center;text-align:center}
.hero-figure{position:relative;display:flex;justify-content:center}
/* Transparent cut-out — he just floats on the page, no frame. */
.hero-figure img{width:100%;max-width:440px;
  filter:drop-shadow(0 26px 44px rgba(124,58,237,.45)) drop-shadow(0 6px 18px rgba(56,189,248,.25));
  animation:floaty 6s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-16px) rotate(1.5deg)}}
@media(min-width:900px){
  .hero-grid{grid-template-columns:1.05fr .95fr;text-align:left}
  .hero-grid .hero-copy{text-align:left}
  .hero-grid h1,.hero-grid .summary{margin-left:0;margin-right:0}
  .hero-grid .wow-callout{margin-left:0;margin-right:0;justify-content:flex-start}
  .hero-grid .hero-actions{justify-content:flex-start}
}

/* =========================== ADVENTURES CAROUSEL =========================== */
.carousel{position:relative}
.car-track{display:flex;gap:1rem;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:.4rem .3rem 1.1rem;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.car-track::-webkit-scrollbar{display:none}
.car-slide{position:relative;flex:0 0 auto;width:min(78%,460px);scroll-snap-align:center;margin:0;
  border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--panel)}
.car-slide img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.car-slide figcaption{position:absolute;left:0;right:0;bottom:0;padding:1.6rem 1.1rem .9rem;
  font-family:var(--display);font-weight:600;font-size:1.05rem;color:var(--star);
  background:linear-gradient(transparent,rgba(5,6,10,.88))}
.car-btn{position:absolute;top:calc(50% - 22px);transform:translateY(-50%);z-index:3;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line-2);background:rgba(10,14,26,.8);
  color:var(--star);display:grid;place-items:center;backdrop-filter:blur(8px);transition:.2s}
.car-btn:hover{border-color:var(--cyan);background:rgba(56,189,248,.18)}
.car-btn.prev{left:-6px;rotate:180deg}
.car-btn.next{right:-6px}
.car-dots{display:flex;gap:.5rem;justify-content:center;margin-top:.3rem}
.car-dot{width:9px;height:9px;border-radius:50%;border:0;background:var(--line-2);transition:.25s;padding:0;cursor:pointer}
.car-dot.active{background:var(--grad);width:26px;border-radius:999px}
@media(max-width:560px){ .car-slide{width:min(86%,400px)} .car-btn{display:none} }

/* =========================== NASA MEDIA GRID (fact modal) =========================== */
.nasa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem}
.nasa-item{position:relative;display:block;border-radius:12px;overflow:hidden;border:1px solid var(--line);aspect-ratio:1/1;background:#05060a}
.nasa-item img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.nasa-item:hover img{transform:scale(1.06)}
.nasa-badge{position:absolute;top:.4rem;left:.4rem;font-family:var(--mono);font-size:.62rem;font-weight:700;
  padding:.15rem .45rem;border-radius:999px;background:rgba(5,6,10,.8);color:var(--cyan);border:1px solid var(--line-2)}
.nasa-cap{position:absolute;left:0;right:0;bottom:0;padding:1.1rem .5rem .4rem;font-size:.66rem;line-height:1.25;color:var(--star);
  background:linear-gradient(transparent,rgba(5,6,10,.92));opacity:0;transition:opacity .25s}
.nasa-item:hover .nasa-cap,.nasa-item:focus-visible .nasa-cap{opacity:1}
@media(max-width:560px){ .nasa-grid{grid-template-columns:repeat(2,1fr)} }

/* =========================== TODAY FEATURE (Explore) =========================== */
.today-feature{max-width:680px;margin:0 auto}
.today-feature .fact-card{border-color:var(--line-2);
  background:linear-gradient(180deg,rgba(124,58,237,.14),var(--panel));
  box-shadow:0 24px 70px -30px rgba(124,58,237,.6)}
.today-feature .fact-card h3{font-size:clamp(1.2rem,2.4vw,1.5rem)}
.feature-label{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:.7rem;display:block}

/* =========================== VIDEO GRID (/videos/) =========================== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.3rem}
.video-card{margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
.vc-embed{position:relative;aspect-ratio:16/9;background:#05060a}
.vc-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-card figcaption{padding:1rem 1.1rem 1.2rem}
.video-card figcaption h3{font-size:1.05rem;line-height:1.25}
.video-card figcaption .mono{font-size:.74rem;color:var(--gold);margin-top:.35rem;display:block}

/* =========================== SPACE GALLERY (/gallery/) =========================== */
.media-toggle{display:inline-flex;gap:.3rem;padding:.25rem;border:1px solid var(--line-2);border-radius:999px;background:rgba(255,255,255,.03)}
.media-toggle .mt{padding:.45rem 1.1rem;border:0;border-radius:999px;background:transparent;color:var(--dust);font-weight:600;font-size:.85rem;cursor:pointer}
.media-toggle .mt.active{background:var(--grad);color:#fff}
.gallery-grid{columns:4 230px;column-gap:1rem}
.gal-item{display:block;width:100%;margin:0 0 1rem;break-inside:avoid;position:relative;border-radius:14px;overflow:hidden;
  border:1px solid var(--line);background:#05060a;cursor:pointer;padding:0;color:inherit}
.gal-item img{width:100%;display:block;transition:transform .35s var(--ease)}
.gal-item:hover img{transform:scale(1.05)}
.gal-badge{position:absolute;top:.5rem;right:.5rem;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:rgba(5,6,10,.82);color:var(--cyan);border:1px solid var(--line-2);font-size:.7rem}
.gal-cap{position:absolute;left:0;right:0;bottom:0;padding:1.5rem .7rem .6rem;font-size:.74rem;line-height:1.25;color:var(--star);
  text-align:left;background:linear-gradient(transparent,rgba(5,6,10,.92));opacity:0;transition:opacity .25s}
.gal-item:hover .gal-cap,.gal-item:focus-visible .gal-cap{opacity:1}
.lightbox .lb-card{width:min(900px,100%)}
.lb-media{width:100%;max-height:70vh;object-fit:contain;border-radius:14px;background:#05060a;display:block;margin-bottom:1rem}
.lb-desc{color:var(--dust);font-size:.92rem;line-height:1.65;max-height:30vh;overflow:auto}
@media(max-width:760px){ .gallery-grid{columns:3 160px} }
@media(max-width:560px){ .gallery-grid{columns:2 140px} }

/* =========================== REDUCED MOTION =========================== */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .sky::before{animation:none}
  .stars span{animation:none;opacity:.6}
  .comet{display:none}
  .reveal-up,.io{opacity:1;transform:none}
  .gradient-text{animation:none}
}