/* ============================================================
   STARLY.SPACE — landing + blog. Same design language as the app
   (deep-space navy · azure interactive · gold wonder · nebula
   discovery · Space Grotesk / Manrope / Space Mono · frosted glass),
   re-implemented standalone so the marketing site never depends on
   the planetarium build.
   ============================================================ */

@font-face { font-family:'Space Grotesk'; font-style:normal; font-weight:300 700; font-display:swap; src:url('../assets/fonts/space-grotesk-var.woff2') format('woff2'); }
@font-face { font-family:'Manrope'; font-style:normal; font-weight:400 700; font-display:swap; src:url('../assets/fonts/manrope-var.woff2') format('woff2'); }
@font-face { font-family:'Space Mono'; font-style:normal; font-weight:400; font-display:swap; src:url('../assets/fonts/space-mono-400.woff2') format('woff2'); }
@font-face { font-family:'Space Mono'; font-style:normal; font-weight:700; font-display:swap; src:url('../assets/fonts/space-mono-700.woff2') format('woff2'); }

:root {
  /* deep-space neutral ramp */
  --space-1000:#04050c; --space-950:#070912; --space-900:#0b0e1b; --space-850:#101426;
  --space-800:#161b30; --space-700:#1f263f; --space-600:#2b3454; --space-500:#3c4870;
  --space-400:#586499; --space-300:#7f8ab8; --space-200:#a9b2d6; --space-100:#d2d8ee; --space-050:#eef1fa;
  /* brand accents */
  --azure-300:#9bdbff; --azure-400:#6fcbff; --azure-500:#3ab4ff; --azure-600:#1c8fe0; --azure-glow:rgba(58,180,255,.45);
  --gold-300:#ffe3a6; --gold-500:#ffc24d; --gold-600:#e5a529; --gold-glow:rgba(255,194,77,.4);
  --nebula-400:#c194ff; --nebula-500:#a86df5; --nebula-glow:rgba(168,109,245,.4);
  --visible-500:#43d6a3;

  --font-display:'Space Grotesk','Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-body:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'Space Mono',ui-monospace,'SF Mono','Menlo',monospace;

  --bg:#06080f;
  --panel-bg:rgba(16,20,38,.62);
  --panel-raised:rgba(16,20,38,.82);
  --panel-border:rgba(169,178,214,.16);
  --panel-glow:inset 0 1px 0 rgba(255,255,255,.05),0 12px 36px rgba(0,0,0,.55);
  --blur-panel:22px;

  --text-bright:#eef1fa; --text:#d2d8ee; --text-dim:#97a1c7;
  --active:#3ab4ff; --warm:#ffc24d; --nebula:#a86df5;
  --fill-faint:rgba(58,180,255,.06); --fill-rest:rgba(58,180,255,.1);
  --fill-hover:rgba(58,180,255,.15); --fill-press:rgba(58,180,255,.2);
  --fill-primary:linear-gradient(180deg,rgba(58,180,255,.3),rgba(58,180,255,.15));
  --ring:rgba(58,180,255,.5);

  --r-sm:10px; --r-md:12px; --r-lg:14px; --r-xl:20px; --r-pill:999px;
  --ease:cubic-bezier(.16,1,.3,1);
  --maxw:1140px;
  --surface-sky:radial-gradient(140% 110% at 50% -10%,#141a38 0%,#0a0d1c 45%,#06080f 100%);
  font-size:16px;
}

*,*::before,*::after { box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  margin:0; background:var(--bg); color:var(--text);
  font-family:var(--font-body); line-height:1.65;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} *{animation-duration:.01ms !important; transition-duration:.01ms !important;} }

h1,h2,h3,h4 { font-family:var(--font-display); color:var(--text-bright); line-height:1.15; font-weight:600; letter-spacing:-.01em; }
a { color:var(--azure-400); text-decoration:none; }
a:hover { color:var(--azure-300); }
img,svg,canvas { display:block; max-width:100%; }
.mono { font-family:var(--font-mono); }
.kicker { font-family:var(--font-mono); font-size:.72rem; letter-spacing:.22em; text-transform:uppercase; color:var(--text-dim); }
.wrap { width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:clamp(18px,4vw,40px); }
.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; }

/* -- starfield canvas sits behind everything -- */
#stars-bg { position:fixed; inset:0; z-index:-2; background:var(--surface-sky); }
.glow-orb { position:fixed; z-index:-1; border-radius:50%; filter:blur(80px); opacity:.5; pointer-events:none; }
.glow-orb.a { width:480px; height:480px; top:-160px; right:-120px; background:radial-gradient(circle,var(--azure-glow),transparent 70%); }
.glow-orb.b { width:520px; height:520px; bottom:-220px; left:-160px; background:radial-gradient(circle,var(--nebula-glow),transparent 70%); }

/* -- buttons -- */
.btn { display:inline-flex; align-items:center; gap:.5em; font-family:var(--font-body); font-weight:600; font-size:.95rem;
  padding:.7em 1.25em; border-radius:var(--r-pill); border:1px solid transparent; cursor:pointer; transition:transform .16s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease); white-space:nowrap; }
.btn:active { transform:scale(.97); }
.btn-primary { color:#05203a; background:linear-gradient(180deg,var(--azure-300),var(--azure-500)); box-shadow:0 6px 22px var(--azure-glow); }
.btn-primary:hover { color:#05203a; box-shadow:0 8px 30px var(--azure-glow); transform:translateY(-1px); }
.btn-ghost { color:var(--text-bright); background:var(--fill-rest); border-color:var(--panel-border); }
.btn-ghost:hover { color:var(--text-bright); background:var(--fill-hover); border-color:var(--ring); }
.btn-lg { font-size:1.05rem; padding:.85em 1.6em; }

/* -- top nav -- */
header.nav { position:sticky; top:0; z-index:50; backdrop-filter:blur(var(--blur-panel));
  background:linear-gradient(180deg,rgba(6,8,15,.85),rgba(6,8,15,.4)); border-bottom:1px solid var(--panel-border); }
.nav-inner { display:flex; align-items:center; justify-content:space-between; gap:1rem; height:64px; }
.brand { display:flex; align-items:center; gap:.6rem; font-family:var(--font-display); font-weight:600; font-size:1.18rem; color:var(--text-bright); letter-spacing:-.01em; }
.brand svg,.brand img { width:30px; height:30px; }
.brand .tld { color:var(--text-dim); font-weight:500; }
.nav-links { display:flex; align-items:center; gap:1.4rem; }
.nav-links a:not(.btn) { color:var(--text-dim); font-weight:500; font-size:.95rem; }
.nav-links a:not(.btn):hover { color:var(--text-bright); }
.nav-toggle { display:none; }
@media (max-width:720px){
  .nav-links a:not(.btn){ display:none; }
}

/* -- hero -- */
.hero { position:relative; padding:clamp(56px,11vw,128px) 0 clamp(40px,7vw,80px); text-align:center; }
.hero .badge { display:inline-flex; align-items:center; gap:.5em; padding:.4em .9em; border-radius:var(--r-pill);
  background:var(--fill-faint); border:1px solid var(--panel-border); color:var(--text-dim); font-size:.8rem; font-weight:600; margin-bottom:1.4rem; }
.hero .badge .dot { width:7px; height:7px; border-radius:50%; background:var(--visible-500); box-shadow:0 0 8px var(--visible-500); }
.hero h1 { font-size:clamp(2.4rem,7vw,4.6rem); margin:0 0 1rem; letter-spacing:-.03em; }
.hero h1 .grad { background:linear-gradient(120deg,var(--azure-300),var(--nebula-400) 60%,var(--gold-300)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero p.lede { font-size:clamp(1.05rem,2.4vw,1.35rem); color:var(--text); max-width:620px; margin:0 auto 2rem; }
.hero .cta-row { display:flex; gap:.8rem; justify-content:center; flex-wrap:wrap; }
.hero .reassure { margin-top:1.1rem; font-size:.85rem; color:var(--text-dim); }
.hero .reassure strong { color:var(--text); font-weight:600; }

/* app preview frame */
.preview { margin:clamp(40px,7vw,72px) auto 0; max-width:920px; position:relative; }
.preview .frame { border-radius:var(--r-xl); border:1px solid var(--panel-border); overflow:hidden; box-shadow:var(--panel-glow),0 40px 120px rgba(0,0,0,.6); background:#05070e; aspect-ratio:16/10; }
.preview .frame .sky-stage { width:100%; height:100%; display:block; }
.preview .caption { text-align:center; margin-top:1rem; color:var(--text-dim); font-size:.85rem; }

/* -- section scaffold -- */
section.band { padding:clamp(56px,9vw,108px) 0; position:relative; }
.section-head { text-align:center; max-width:660px; margin:0 auto clamp(34px,5vw,56px); }
.section-head h2 { font-size:clamp(1.8rem,4.4vw,2.8rem); margin:.6rem 0 .6rem; }
.section-head p { color:var(--text-dim); font-size:1.05rem; margin:0; }

/* feature grid */
.features { display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; }
@media (max-width:900px){ .features{ grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .features{ grid-template-columns:1fr;} }
.card { background:var(--panel-bg); border:1px solid var(--panel-border); border-radius:var(--r-xl); padding:1.5rem; backdrop-filter:blur(var(--blur-panel)); box-shadow:var(--panel-glow); transition:transform .25s var(--ease),border-color .25s var(--ease); }
.card:hover { transform:translateY(-3px); border-color:rgba(58,180,255,.3); }
.card .ico { width:44px; height:44px; border-radius:var(--r-md); display:grid; place-items:center; background:var(--fill-rest); color:var(--azure-400); margin-bottom:1rem; }
.card .ico svg { width:24px; height:24px; }
.card h3 { font-size:1.18rem; margin:0 0 .4rem; }
.card p { margin:0; color:var(--text-dim); font-size:.95rem; }
.card.gold .ico{ color:var(--gold-500); background:rgba(255,194,77,.1);} .card.nebula .ico{ color:var(--nebula-400); background:rgba(168,109,245,.1);}

/* stat / culture strip */
.stats { display:flex; flex-wrap:wrap; gap:1rem; justify-content:center; }
.stat { text-align:center; padding:1.1rem 1.6rem; min-width:150px; }
.stat .num { font-family:var(--font-display); font-size:clamp(2rem,5vw,2.9rem); font-weight:700; background:linear-gradient(120deg,var(--azure-300),var(--nebula-400)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.stat .lbl { color:var(--text-dim); font-size:.85rem; margin-top:.2rem; }

/* split feature (cultures) */
.split { display:grid; grid-template-columns:1.05fr 1fr; gap:clamp(28px,5vw,64px); align-items:center; }
@media (max-width:820px){ .split{ grid-template-columns:1fr; } }
.split h2 { font-size:clamp(1.7rem,4vw,2.5rem); margin:.4rem 0 1rem; }
.split p { color:var(--text-dim); }
.chips { display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1.2rem; }
.chip { font-family:var(--font-mono); font-size:.78rem; padding:.4em .8em; border-radius:var(--r-pill); background:var(--fill-faint); border:1px solid var(--panel-border); color:var(--text-dim); }
.culture-art { aspect-ratio:1; border-radius:var(--r-xl); border:1px solid var(--panel-border); background:radial-gradient(120% 120% at 30% 20%,#13183300,#0a0d1c); box-shadow:var(--panel-glow); overflow:hidden; }

/* steps */
.steps { display:grid; grid-template-columns:repeat(3,1fr); gap:1.2rem; counter-reset:step; }
@media (max-width:760px){ .steps{ grid-template-columns:1fr; } }
.step { padding:1.4rem; border-radius:var(--r-xl); border:1px dashed var(--panel-border); position:relative; }
.step::before { counter-increment:step; content:counter(step); font-family:var(--font-display); font-weight:700; font-size:1rem; color:#05203a; background:linear-gradient(180deg,var(--azure-300),var(--azure-500)); width:34px; height:34px; border-radius:50%; display:grid; place-items:center; margin-bottom:.8rem; }
.step h3 { font-size:1.1rem; margin:.2rem 0 .35rem; }
.step p { margin:0; color:var(--text-dim); font-size:.93rem; }

/* blog teaser cards */
.post-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1.1rem; }
@media (max-width:900px){ .post-grid{ grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .post-grid{ grid-template-columns:1fr;} }
.post-card { display:flex; flex-direction:column; background:var(--panel-bg); border:1px solid var(--panel-border); border-radius:var(--r-xl); padding:1.3rem; backdrop-filter:blur(var(--blur-panel)); transition:transform .25s var(--ease),border-color .25s var(--ease); height:100%; }
.post-card:hover { transform:translateY(-3px); border-color:rgba(58,180,255,.3); }
.post-card .cat { align-self:flex-start; font-family:var(--font-mono); font-size:.68rem; letter-spacing:.12em; text-transform:uppercase; color:var(--azure-400); background:var(--fill-faint); border:1px solid var(--panel-border); padding:.3em .7em; border-radius:var(--r-pill); margin-bottom:.8rem; }
.post-card h3 { font-size:1.12rem; margin:0 0 .5rem; color:var(--text-bright); }
.post-card h3 a { color:inherit; }
.post-card p { margin:0 0 1rem; color:var(--text-dim); font-size:.92rem; }
.post-card .meta { margin-top:auto; display:flex; align-items:center; gap:.5rem; color:var(--text-dim); font-size:.8rem; font-family:var(--font-mono); }

/* big CTA */
.cta-band { text-align:center; }
.cta-card { background:linear-gradient(160deg,rgba(58,180,255,.12),rgba(168,109,245,.1)); border:1px solid var(--panel-border); border-radius:var(--r-xl); padding:clamp(34px,6vw,68px); box-shadow:var(--panel-glow); }
.cta-card h2 { font-size:clamp(1.8rem,4.6vw,3rem); margin:0 0 .8rem; }
.cta-card p { color:var(--text); max-width:540px; margin:0 auto 1.8rem; }

/* footer */
footer.site { border-top:1px solid var(--panel-border); padding:clamp(40px,6vw,64px) 0 2.5rem; margin-top:2rem; color:var(--text-dim); }
.foot-grid { display:flex; flex-wrap:wrap; gap:2rem; justify-content:space-between; }
.foot-grid h4 { color:var(--text); font-size:.9rem; margin:0 0 .8rem; font-family:var(--font-body); letter-spacing:.04em; text-transform:uppercase; font-weight:700; }
.foot-grid ul { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.5rem; }
.foot-grid a { color:var(--text-dim); font-size:.92rem; } .foot-grid a:hover{ color:var(--text-bright); }
.foot-bottom { margin-top:2.4rem; display:flex; flex-wrap:wrap; gap:.6rem 1.4rem; justify-content:space-between; align-items:center; font-size:.82rem; }
.foot-brand { max-width:300px; }
.foot-brand p { font-size:.9rem; margin:.6rem 0 0; }

/* ============================================================ BLOG ============ */
.blog-hero { padding:clamp(48px,8vw,92px) 0 1.5rem; }
.blog-hero h1 { font-size:clamp(2rem,5vw,3.2rem); margin:.5rem 0 .6rem; }
.blog-hero p { color:var(--text-dim); font-size:1.08rem; max-width:600px; }
.search-row { margin:1.6rem 0 .4rem; }
#post-search { width:100%; max-width:440px; font:inherit; font-size:1rem; color:var(--text-bright); background:var(--panel-bg); border:1px solid var(--panel-border); border-radius:var(--r-pill); padding:.7em 1.1em; backdrop-filter:blur(var(--blur-panel)); }
#post-search:focus { outline:none; border-color:var(--ring); box-shadow:0 0 0 3px var(--fill-faint); }
.cat-filter { display:flex; flex-wrap:wrap; gap:.5rem; margin:1.2rem 0 0; }
.cat-btn { font-family:var(--font-mono); font-size:.78rem; padding:.45em .9em; border-radius:var(--r-pill); background:var(--fill-faint); border:1px solid var(--panel-border); color:var(--text-dim); cursor:pointer; transition:all .16s var(--ease); }
.cat-btn:hover { color:var(--text-bright); border-color:var(--ring); }
.cat-btn.active { color:#05203a; background:linear-gradient(180deg,var(--azure-300),var(--azure-500)); border-color:transparent; font-weight:700; }
.blog-list { padding:1.6rem 0 4rem; }
.empty { text-align:center; color:var(--text-dim); padding:3rem 0; display:none; }

/* ============================================================ ARTICLE ========= */
.article { padding:clamp(34px,5vw,56px) 0 4rem; }
.article-wrap { max-width:720px; margin-inline:auto; }
.crumbs { font-size:.85rem; color:var(--text-dim); margin-bottom:1.2rem; }
.crumbs a { color:var(--text-dim); } .crumbs a:hover{ color:var(--text-bright); }
.article h1 { font-size:clamp(1.9rem,4.6vw,2.9rem); margin:.4rem 0 .9rem; letter-spacing:-.02em; }
.article .post-meta { display:flex; flex-wrap:wrap; align-items:center; gap:.6rem 1rem; color:var(--text-dim); font-family:var(--font-mono); font-size:.8rem; margin-bottom:1.6rem; }
.article .post-meta .cat { color:var(--azure-400); }
/* listen button */
.listen { display:inline-flex; align-items:center; gap:.55em; font-family:var(--font-body); font-weight:600; font-size:.9rem; color:var(--text-bright);
  background:var(--fill-rest); border:1px solid var(--panel-border); border-radius:var(--r-pill); padding:.55em 1.05em; cursor:pointer; transition:all .16s var(--ease); }
.listen:hover { background:var(--fill-hover); border-color:var(--ring); }
.listen[hidden] { display:none; }
.listen .eq { display:inline-flex; gap:2px; align-items:flex-end; height:14px; }
.listen .eq i { width:3px; height:5px; background:var(--azure-400); border-radius:2px; display:block; }
.listen.playing .eq i { animation:eq .9s var(--ease) infinite; }
.listen.playing .eq i:nth-child(2){ animation-delay:.15s; } .listen.playing .eq i:nth-child(3){ animation-delay:.3s; } .listen.playing .eq i:nth-child(4){ animation-delay:.45s; }
@keyframes eq { 0%,100%{ height:4px; } 50%{ height:14px; } }
.prose { font-size:1.075rem; color:var(--text); }
.prose > p:first-of-type { font-size:1.16rem; color:var(--text-bright); }
.prose h2 { font-size:1.5rem; margin:2rem 0 .7rem; }
.prose h3 { font-size:1.2rem; margin:1.6rem 0 .5rem; }
.prose p { margin:0 0 1.1rem; }
.prose ul,.prose ol { margin:0 0 1.2rem; padding-left:1.3rem; }
.prose li { margin:.4rem 0; }
.prose strong { color:var(--text-bright); }
.prose a { text-decoration:underline; text-underline-offset:3px; text-decoration-color:rgba(58,180,255,.4); }
.prose mark { background:rgba(58,180,255,.18); color:var(--text-bright); border-radius:3px; padding:0 .1em; }
/* in-article CTA */
.article-cta { margin:2.2rem 0; padding:1.4rem 1.5rem; border-radius:var(--r-xl); background:linear-gradient(160deg,rgba(58,180,255,.12),rgba(168,109,245,.08)); border:1px solid var(--panel-border); display:flex; align-items:center; gap:1.1rem; flex-wrap:wrap; }
.article-cta .txt { flex:1; min-width:200px; } .article-cta .txt strong{ color:var(--text-bright); font-family:var(--font-display); font-size:1.1rem; } .article-cta .txt p{ margin:.2rem 0 0; color:var(--text-dim); font-size:.92rem; }
/* faq */
.faq { margin-top:2.4rem; }
.faq h2 { font-size:1.4rem; margin-bottom:1rem; }
.faq details { border:1px solid var(--panel-border); border-radius:var(--r-md); padding:.9rem 1.1rem; margin-bottom:.7rem; background:var(--panel-bg); }
.faq summary { cursor:pointer; font-weight:600; color:var(--text-bright); list-style:none; }
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after { content:'+'; float:right; color:var(--azure-400); font-family:var(--font-mono); }
.faq details[open] summary::after { content:'\2212'; }
.faq details p { margin:.7rem 0 0; color:var(--text-dim); }
/* related */
.related { margin-top:3rem; }
.related h2 { font-size:1.3rem; margin-bottom:1rem; }
.share { display:flex; gap:.6rem; margin-top:2.4rem; flex-wrap:wrap; align-items:center; }
.share span { color:var(--text-dim); font-size:.85rem; }
.share a { display:inline-grid; place-items:center; width:38px; height:38px; border-radius:50%; background:var(--fill-rest); border:1px solid var(--panel-border); color:var(--text); }
.share a:hover { background:var(--fill-hover); border-color:var(--ring); }
.share a svg { width:18px; height:18px; }