/* Adityayaan — Aditya-L1 solar mission site
   Deep-space theme with a radiant solar palette */

/* Featured call-to-action banner (home page) */
.feature-cta{
  display:flex;align-items:center;gap:1.5rem;
  background:linear-gradient(120deg,rgba(255,94,43,.32),rgba(255,157,47,.12) 55%,rgba(255,216,115,.10));
  border:1px solid rgba(255,157,47,.4);border-radius:22px;padding:1.6rem 1.8rem;
  transition:.25s;position:relative;overflow:hidden;
}
.feature-cta:hover{transform:translateY(-4px);border-color:rgba(255,157,47,.75);
  box-shadow:0 16px 40px rgba(255,94,43,.3)}
.feature-cta .fc-icon{font-size:3.4rem;flex-shrink:0;animation:bob 3s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-9px) rotate(6deg)}}
.feature-cta .fc-kicker{color:var(--gold);font-size:.72rem;letter-spacing:2px;text-transform:uppercase;margin-bottom:.3rem}
.feature-cta h2{color:#fff;margin:0 0 .3rem;font-size:1.5rem}
.feature-cta p{color:#eadfce;margin:0 0 .6rem;font-size:.98rem}
.feature-cta .fc-go{color:var(--accent);font-weight:700;font-size:.95rem}
.feature-cta:hover .fc-go{color:var(--gold)}
@media(max-width:600px){.feature-cta{flex-direction:column;text-align:center}}

/* Sister-site network row (footer) */
.sister-sites{max-width:var(--maxw);margin:1rem auto 0;padding-top:1rem;
  border-top:1px solid var(--panel-border);display:flex;flex-wrap:wrap;align-items:center;
  gap:.4rem 1.1rem;font-size:.85rem;color:var(--muted)}
.sister-sites a{color:var(--accent)}
.sister-sites a.active{color:var(--gold);font-weight:700;text-decoration:none;pointer-events:none}

/* Cookie consent banner */
.cookie-banner{position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:200;
  max-width:920px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;
  gap:1rem;flex-wrap:wrap;background:rgba(11,14,28,.97);backdrop-filter:blur(8px);
  border:1px solid rgba(255,170,90,.3);border-radius:14px;padding:.9rem 1.1rem;
  box-shadow:0 14px 40px rgba(0,0,0,.5);color:var(--text);font-size:.9rem;
  transform:translateY(140%);transition:transform .3s ease,opacity .3s ease}
.cookie-banner.show{transform:translateY(0)}
.cookie-banner.hide{transform:translateY(140%);opacity:0}
.cookie-banner a{color:var(--accent)}
.cookie-banner .cb-btns{display:flex;align-items:center;gap:.8rem;flex-shrink:0}
.cookie-banner .cb-ok{background:linear-gradient(90deg,var(--sun2),var(--accent));color:#fff;
  border:none;border-radius:9px;padding:.55rem 1.2rem;font-weight:700;cursor:pointer;font-family:inherit}
.cookie-banner .cb-ok:hover{filter:brightness(1.08)}
.cookie-banner .cb-reject{background:none;border:1px solid var(--panel-border);color:var(--text);
  border-radius:9px;padding:.55rem 1.1rem;font-weight:600;cursor:pointer;font-family:inherit}
.cookie-banner .cb-reject:hover{background:rgba(255,255,255,.06)}
.cookie-banner .cb-more{font-size:.85rem}
@media(max-width:560px){.cookie-banner{flex-direction:column;align-items:stretch;text-align:center}
  .cookie-banner .cb-btns{justify-content:center}}

/* Mission-in-pictures (home page, local images) */
.pic-banner{width:100%;border-radius:20px;display:block;border:1px solid var(--panel-border);margin-bottom:1.2rem}
.picgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.piccard{background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;overflow:hidden;transition:.25s}
.piccard:hover{transform:translateY(-4px);border-color:rgba(255,157,47,.4);box-shadow:0 12px 30px rgba(0,0,0,.4)}
.piccard .art{width:100%;height:180px;display:block;background:#0a0b12;position:relative;overflow:hidden}
.piccard .cap{padding:.7rem .9rem;color:var(--muted);font-size:.9rem}
.piccard .cap b{color:#fff;display:block;margin-bottom:.15rem;font-size:.98rem}
@media(max-width:760px){.picgrid{grid-template-columns:1fr}}

/* Play & Explore highlight block (home page) */
.explore-highlight{
  background:linear-gradient(135deg,rgba(255,94,43,.16),rgba(255,157,47,.06) 55%,rgba(255,216,115,.06));
  border:1px solid rgba(255,157,47,.35);border-radius:24px;padding:2rem 1.8rem;
  box-shadow:0 14px 40px rgba(0,0,0,.35)}
.explore-highlight .eh-head h2{font-size:1.7rem;margin:.3rem 0 0}
.explore-highlight .card{background:rgba(255,255,255,.05)}

:root{
  /* Solar palette — deep-space indigo background, radiant sun accents */
  --bg:#070a16;              /* deep space */
  --bg2:#0d1224;
  --panel:rgba(255,206,120,.05);
  --panel-border:rgba(255,190,110,.14);
  --text:#f4eee2;            /* warm off-white */
  --muted:#a9b0c9;           /* cool space muted */
  --sun:#ff9d2f;             /* coronal orange */
  --sun2:#ff5e2b;            /* deep flare red-orange */
  --accent:#ffb454;          /* amber accent */
  --gold:#ffd873;            /* solar gold */
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
}
/* Starfield */
#stars,#stars2,#stars3{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-2}
.space-bg{
  position:fixed;inset:0;z-index:-3;
  background:radial-gradient(ellipse at 78% 8%,rgba(255,160,50,.28),transparent 46%),
             radial-gradient(ellipse at 12% 90%,rgba(96,72,220,.16),transparent 55%),
             linear-gradient(180deg,#070a16,#0a0e1e 55%,#05060f);
}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--gold)}

/* Nav */
header.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(12px);
  background:rgba(9,12,24,.72);
  border-bottom:1px solid var(--panel-border);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:.7rem 1.2rem;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;letter-spacing:.5px;font-size:1.05rem}
.brand .dot{width:26px;height:26px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#fff2b8,var(--gold) 45%,var(--sun2));
  box-shadow:0 0 16px rgba(255,140,50,.75)}
.brand small{display:block;font-weight:400;font-size:.62rem;color:var(--muted);letter-spacing:2px}
nav.links{display:flex;flex-wrap:wrap;align-items:center;gap:.2rem}
nav.links a{
  color:var(--muted);padding:.4rem .7rem;border-radius:8px;font-size:.9rem;transition:.2s;
}
nav.links a:hover{color:var(--text);background:var(--panel)}
nav.links a.active{color:var(--accent);background:rgba(255,157,47,.1)}
.menu-btn{display:none;background:none;border:1px solid var(--panel-border);color:var(--text);
  border-radius:8px;padding:.4rem .6rem;font-size:1.1rem;cursor:pointer}

/* Interactive dropdown menu */
.dropdown{position:relative}
.dropbtn{background:none;border:none;color:var(--muted);padding:.4rem .7rem;border-radius:8px;
  font-size:.9rem;cursor:pointer;font-family:inherit;transition:.2s}
.dropdown:hover .dropbtn,.dropbtn:hover,.dropdown.open .dropbtn{color:var(--accent);background:rgba(255,157,47,.1)}
.dropdown-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:230px;
  background:rgba(11,14,28,.98);border:1px solid var(--panel-border);border-radius:12px;padding:.4rem;
  display:none;flex-direction:column;gap:.1rem;box-shadow:0 14px 34px rgba(0,0,0,.55);z-index:60}
.dropdown:hover .dropdown-menu,.dropdown.open .dropdown-menu{display:flex}
.dropdown-menu a{color:var(--muted);padding:.6rem .8rem;border-radius:8px;font-size:.9rem;white-space:nowrap}
.dropdown-menu a:hover{color:var(--text);background:var(--panel)}
.dropdown-menu a.active{color:var(--accent);background:rgba(255,157,47,.1)}

/* Layout */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.2rem}
section{padding:3.2rem 0}
.hero{text-align:center;padding:4.5rem 0 3rem}
.hero h1{font-size:clamp(2.2rem,6vw,4rem);line-height:1.15;letter-spacing:1px;padding-bottom:.1em;
  background:linear-gradient(90deg,#fff,var(--gold),var(--sun));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{color:var(--muted);font-size:1.15rem;max-width:640px;margin:1rem auto 0}
.tagline{color:var(--gold);letter-spacing:4px;font-size:.8rem;text-transform:uppercase;margin-bottom:.8rem}
.page-head{padding:3.2rem 0 1rem}
.page-head h1{font-size:clamp(1.8rem,4.5vw,2.8rem);letter-spacing:.5px}
.page-head p{color:var(--muted);max-width:720px;margin-top:.6rem}

h2{font-size:1.7rem;margin-bottom:1rem;letter-spacing:.3px}
h2 .sun-accent{color:var(--sun)}
h3{font-size:1.2rem;margin:.2rem 0 .5rem}
p.lead{font-size:1.1rem;color:#e2e0ea}
p{margin-bottom:1rem;color:#d3d3df}

/* Buttons */
.btn-row{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:1.8rem}
.btn{
  display:inline-block;padding:.75rem 1.5rem;border-radius:10px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;transition:.2s;cursor:pointer
}
.btn.primary{background:linear-gradient(90deg,var(--sun2),var(--accent));color:#fff;
  box-shadow:0 8px 24px rgba(255,94,43,.35)}
.btn.primary:hover{transform:translateY(-2px);color:#fff}
.btn.ghost{border-color:var(--panel-border);color:var(--text)}
.btn.ghost:hover{background:var(--panel)}

/* Cards / grid */
.grid{display:grid;gap:1.2rem}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;padding:1.5rem;
  transition:.25s;
}
.card:hover{border-color:rgba(255,157,47,.4);transform:translateY(-4px);
  box-shadow:0 12px 30px rgba(0,0,0,.4)}
.card .ico{font-size:1.8rem;margin-bottom:.5rem}
.card h3{color:#fff}
.card p{color:var(--muted);font-size:.95rem;margin:0}

/* Stat strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1rem}
.stat{background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;
  padding:1.4rem 1rem;text-align:center}
.stat .num{font-size:1.9rem;font-weight:800;color:var(--gold);letter-spacing:.5px}
.stat .lbl{color:var(--muted);font-size:.82rem;margin-top:.3rem;text-transform:uppercase;letter-spacing:1px}

/* Sun + orbit animation */
.orbit-stage{position:relative;height:340px;display:flex;align-items:center;justify-content:center;margin:1rem 0}
.sun{
  width:130px;height:130px;border-radius:50%;position:relative;z-index:2;
  background:radial-gradient(circle at 40% 35%,#fff2b8,var(--gold) 32%,var(--sun) 66%,var(--sun2) 92%);
  box-shadow:0 0 70px 12px rgba(255,140,40,.55),0 0 140px 40px rgba(255,90,40,.26);
  animation:sunpulse 6s ease-in-out infinite;
}
@keyframes sunpulse{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
.sun::before{content:"";position:absolute;inset:-8px;border-radius:50%;
  background:radial-gradient(circle,transparent 60%,rgba(255,170,70,.35) 72%,transparent 80%);
  animation:sunpulse 6s ease-in-out infinite reverse}
.orbit-path{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  border:1px dashed rgba(255,210,140,.28);border-radius:50%}
.op1{width:230px;height:230px}
.op2{width:320px;height:320px}
.orbiter-wrap{position:absolute;top:50%;left:50%;width:320px;height:320px;
  transform:translate(-50%,-50%);animation:spin 12s linear infinite}
.orbiter{position:absolute;top:-9px;left:50%;transform:translateX(-50%);
  width:18px;height:18px;border-radius:3px;
  background:linear-gradient(#ffe1b0,#ffb27a);box-shadow:0 0 14px var(--gold)}
.orbiter::before,.orbiter::after{content:"";position:absolute;top:3px;width:14px;height:9px;
  background:linear-gradient(#3a6bd6,#1c3f8f);border-radius:2px}
.orbiter::before{left:-16px}.orbiter::after{right:-16px}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

/* Timeline */
.timeline{position:relative;max-width:820px;margin:1rem auto 0;padding:1rem 0}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:linear-gradient(var(--sun2),var(--accent),transparent);transform:translateX(-50%)}
.tl-item{position:relative;width:50%;padding:1rem 2rem;opacity:0;transform:translateY(30px);
  transition:.6s ease}
.tl-item.show{opacity:1;transform:translateY(0)}
.tl-item:nth-child(odd){left:0;text-align:right}
.tl-item:nth-child(even){left:50%}
.tl-item .node{position:absolute;top:1.5rem;width:16px;height:16px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px rgba(255,157,47,.2),0 0 14px var(--accent);z-index:2}
.tl-item:nth-child(odd) .node{right:-8px}
.tl-item:nth-child(even) .node{left:-8px}
.tl-card{background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;padding:1rem 1.2rem}
.tl-card .date{color:var(--gold);font-weight:700;font-size:.9rem;letter-spacing:.5px}
.tl-card h3{color:#fff;font-size:1.05rem;margin:.3rem 0}
.tl-card p{color:var(--muted);font-size:.9rem;margin:0}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.g-item{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--panel-border);
  aspect-ratio:4/3;cursor:pointer;transition:.25s}
.g-item:hover{transform:scale(1.02);border-color:rgba(255,157,47,.5)}
.g-item .art{position:absolute;inset:0}
.g-item .cap{position:absolute;left:0;right:0;bottom:0;padding:.6rem .8rem;font-size:.82rem;
  background:linear-gradient(transparent,rgba(0,0,0,.85));color:#fff;z-index:2}
/* CSS art scenes for gallery (no external images) */
.art.sun-full{background:radial-gradient(circle at 42% 38%,#fff2b8,#ff9d2f 42%,#ff5e2b 70%,#7a1f06 95%)}
.art.launch{background:linear-gradient(0deg,#05070f,#12213f);position:relative;overflow:hidden}
.art.launch::after{content:"";position:absolute;left:50%;bottom:-10%;transform:translateX(-50%);
  width:14px;height:70%;background:linear-gradient(#fff,#ffb27a,transparent);border-radius:50% 50% 8px 8px;
  filter:blur(1px);box-shadow:0 0 30px #ffb27a}
.art.l1-orbit{background:radial-gradient(circle at 22% 50%,#ff9d2f,#ff5e2b 26%,#12213f 60%,#05070f)}
.art.l1-orbit::after{content:"";position:absolute;inset:28% 22% 28% auto;width:34%;height:44%;
  border:1px dashed rgba(255,220,150,.6);border-radius:50%}
.art.corona{background:radial-gradient(circle at 50% 50%,#fff2b8,#ff9d2f 30%,#7a1f06 60%,#05070f 90%)}
.art.cme{background:radial-gradient(circle at 30% 60%,#ffd873,#ff5e2b 40%,#3a1405 72%,#05070f)}
.art.flare{background:linear-gradient(120deg,#ff9d2f,#ff5e2b,#7a1f06)}
.art.team{background:linear-gradient(120deg,#12213f,#05070f)}
.art.team::after{content:"👩‍🔬👨‍🚀";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:2.4rem}
.art.probe{background:linear-gradient(120deg,#0d1630,#05070f)}
.art.probe::after{content:"🛰";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:3rem}

/* Table */
.spec-table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:12px;overflow:hidden}
.spec-table td,.spec-table th{padding:.8rem 1rem;border-bottom:1px solid var(--panel-border);text-align:left}
.spec-table th{color:var(--gold);font-size:.8rem;text-transform:uppercase;letter-spacing:1px;width:38%}
.spec-table td{color:#e2e0ea}
.spec-table tr:last-child td,.spec-table tr:last-child th{border-bottom:none}

.pill{display:inline-block;background:rgba(255,157,47,.12);color:var(--accent);
  border:1px solid rgba(255,157,47,.3);padding:.25rem .7rem;border-radius:999px;font-size:.78rem;margin:.15rem}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:.7s ease}
.reveal.show{opacity:1;transform:translateY(0)}

/* Footer / credits */
footer.site{border-top:1px solid var(--panel-border);margin-top:2rem;padding:2rem 0;
  background:rgba(9,12,24,.6)}
footer.site .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;color:var(--muted);font-size:.85rem}
footer.site a{color:var(--accent)}
.credit-note{font-size:.8rem;color:var(--muted);background:var(--panel);border:1px solid var(--panel-border);
  border-radius:12px;padding:1rem 1.2rem;margin-top:1.5rem}

@media(max-width:820px){
  .grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  nav.links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    background:rgba(9,12,24,.97);padding:.6rem 1.2rem;border-bottom:1px solid var(--panel-border)}
  nav.links.open{display:flex}
  .menu-btn{display:block}
  /* On mobile, show the dropdown items inline inside the open menu */
  .dropdown{width:100%}
  .dropbtn{display:none}
  .dropdown-menu{position:static;display:flex;border:none;box-shadow:none;background:transparent;
    padding:.2rem 0 .2rem 1rem;min-width:0}
  .timeline::before{left:20px}
  .tl-item,.tl-item:nth-child(even){width:100%;left:0;text-align:left;padding-left:3rem;padding-right:.5rem}
  .tl-item:nth-child(odd){text-align:left}
  .tl-item:nth-child(odd) .node,.tl-item:nth-child(even) .node{left:12px;right:auto}
}
@media(max-width:520px){
  .grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}
  .stats,.gallery{grid-template-columns:1fr}
}

/* Ad slot (limited, content pages only) */
.ad-slot{max-width:var(--maxw);margin:2.5rem auto 0;padding:.6rem;border-radius:12px;border:1px dashed rgba(255,255,255,.12);background:rgba(255,255,255,.02);text-align:center;min-height:100px}
.ad-slot small{display:block;color:var(--muted);font-size:.62rem;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:.4rem}

/* Interactive helpers (builder, sun-today, quiz, kids) */
.panel{background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;padding:1.5rem}
.live-num{font-size:2.2rem;font-weight:800;color:var(--gold);letter-spacing:.5px}
.live-lbl{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:1px;margin-top:.2rem}
.sun-img{width:100%;border-radius:16px;border:1px solid var(--panel-border);display:block;background:#05070f}
.badge-live{display:inline-flex;align-items:center;gap:.4rem;font-size:.72rem;letter-spacing:1.5px;
  text-transform:uppercase;color:#7CFF9B}
.badge-live::before{content:"";width:8px;height:8px;border-radius:50%;background:#3ef07a;
  box-shadow:0 0 10px #3ef07a;animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.quiz-opt{display:block;width:100%;text-align:left;background:var(--panel);border:1px solid var(--panel-border);
  color:var(--text);border-radius:10px;padding:.8rem 1rem;margin:.4rem 0;cursor:pointer;font-family:inherit;font-size:.95rem;transition:.15s}
.quiz-opt:hover{border-color:var(--accent)}
.quiz-opt.correct{border-color:#3ef07a;background:rgba(62,240,122,.12)}
.quiz-opt.wrong{border-color:#ff5e5e;background:rgba(255,94,94,.12)}
.progress-track{height:10px;background:var(--panel);border:1px solid var(--panel-border);border-radius:999px;overflow:hidden;margin:.6rem 0}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--sun2),var(--gold));transition:width .5s ease}
.mission-stage{position:relative;height:260px;border-radius:16px;overflow:hidden;border:1px solid var(--panel-border);
  background:radial-gradient(ellipse at 85% 50%,rgba(255,157,47,.25),transparent 45%),linear-gradient(180deg,#070a16,#05060f)}