/* Novareth - R&D product studio. Indigo + coral, spark-burst hero, roadmap, bento grid. */
*{box-sizing:border-box}
:root{
  --bg:#1B1F3B;
  --bg-2:#15182e;
  --surface:#242a4d;
  --ink:#F5F3EE;
  --muted:rgba(245,243,238,0.72);
  --accent:#FF7A4D;
  --accent-soft:rgba(255,122,77,0.15);
  --line:rgba(245,243,238,0.13);
  --maxw:1120px;
}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Inter Tight",system-ui,sans-serif;line-height:1.62;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:"Space Grotesk",system-ui,sans-serif;font-weight:700;line-height:1.1;letter-spacing:-0.02em;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.kicker{text-transform:uppercase;letter-spacing:.18em;font-size:.72rem;font-weight:600;color:var(--accent);margin-bottom:.9rem}

.reveal{opacity:1}
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}

#siteHeader{position:sticky;top:0;z-index:50;background:rgba(27,31,59,0.72);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
#siteHeader.scrolled{background:rgba(21,24,46,0.95);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.2rem}
.brand img{border-radius:9px}
#primaryNav{display:flex;align-items:center;gap:1.5rem}
#primaryNav a{font-size:.92rem;color:var(--muted);transition:color .2s}
#primaryNav a:hover{color:var(--ink)}
.nav-cta{background:var(--accent);color:#2a0f06!important;padding:.55rem 1.1rem;border-radius:8px;font-weight:600;transition:transform .2s,box-shadow .2s}
#navToggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
#navToggle span{width:24px;height:2px;background:var(--ink);display:block;border-radius:2px}

/* hero spark burst */
.hero{position:relative;padding:118px 0 104px;overflow:hidden}
.spark{position:absolute;top:50%;right:8%;width:300px;height:300px;transform:translateY(-50%);pointer-events:none}
.spark-core{position:absolute;left:50%;top:50%;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;background:radial-gradient(circle,#ffb18f,#FF7A4D);box-shadow:0 0 40px rgba(255,122,77,.7);animation:corePulse 2.6s ease-in-out infinite}
.ray{position:absolute;left:50%;top:50%;width:3px;height:120px;background:linear-gradient(to top,var(--accent),rgba(255,122,77,0));transform-origin:bottom center;border-radius:3px;opacity:0;animation:rayGrow 2.8s ease-in-out infinite}
.r1{transform:translate(-50%,-100%) rotate(0deg)}
.r2{transform:translate(-50%,-100%) rotate(45deg);animation-delay:.2s}
.r3{transform:translate(-50%,-100%) rotate(90deg);animation-delay:.4s}
.r4{transform:translate(-50%,-100%) rotate(135deg);animation-delay:.6s}
.r5{transform:translate(-50%,-100%) rotate(180deg);animation-delay:.8s}
.r6{transform:translate(-50%,-100%) rotate(225deg);animation-delay:1s}
.r7{transform:translate(-50%,-100%) rotate(270deg);animation-delay:1.2s}
.r8{transform:translate(-50%,-100%) rotate(315deg);animation-delay:1.4s}
@keyframes corePulse{0%,100%{transform:scale(1);box-shadow:0 0 36px rgba(255,122,77,.6)}50%{transform:scale(1.25);box-shadow:0 0 60px rgba(255,122,77,.85)}}
@keyframes rayGrow{0%{opacity:0;height:30px}40%{opacity:.9;height:120px}100%{opacity:0;height:140px}}
.hero-inner{position:relative;z-index:2;max-width:38rem}
.hero h1{font-size:clamp(2.8rem,7vw,5rem);margin:.3rem 0 1.2rem}
.hl{color:var(--accent)}
.lede{font-size:1.14rem;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:1.8rem}
.btn{display:inline-block;padding:.85rem 1.6rem;border-radius:9px;font-weight:600;font-size:.95rem;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn-solid{background:var(--accent);color:#2a0f06}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}

.band{padding:84px 0}
.band.alt{background:var(--bg-2)}
.band h2{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:.4rem;max-width:20ch}
.about-inner{max-width:48rem}
.about-inner p{color:var(--muted);margin-top:1rem;font-size:1.04rem}

/* bento */
.bento{margin-top:2.6rem;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bcell{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px 26px;transition:transform .25s,border-color .25s,box-shadow .25s}
.bcell.big{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column;justify-content:center}
.bcell.wide{grid-column:span 2}
.bcell h3{font-size:1.3rem;margin-bottom:.5rem}
.bcell.big h3{font-size:1.9rem}
.bcell p{color:var(--muted);font-size:.98rem}

/* roadmap */
.roadmap{margin-top:2.6rem;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.phase{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px 24px;position:relative;transition:transform .25s,border-color .25s,box-shadow .25s}
.pnum{display:inline-block;font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.1rem;color:#2a0f06;background:var(--accent);border-radius:8px;padding:.2rem .6rem;margin-bottom:.9rem}
.phase h3{font-size:1.25rem;margin-bottom:.35rem}
.phase p{color:var(--muted);font-size:.95rem}

.quote-band{background:var(--accent);color:#2a0f06;padding:72px 0}
.quote-band blockquote{margin:0;font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:clamp(1.4rem,3.5vw,2.1rem);line-height:1.3;max-width:48rem}

.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden;transition:border-color .25s}
.faq-q{width:100%;text-align:left;background:none;border:0;color:var(--ink);font-family:"Inter Tight",sans-serif;font-size:1.02rem;font-weight:600;padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq-q::after{content:"+";color:var(--accent);font-size:1.4rem;transition:transform .25s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 20px 18px;color:var(--muted)}
.faq-item.open .faq-a{max-height:320px}

.cta{padding:92px 0}
.cta-inner{text-align:center;background:var(--bg-2);border:1px solid var(--line);border-radius:22px;padding:62px 28px}
.cta-inner h2{font-size:clamp(1.8rem,4vw,2.6rem)}
.cta-inner p{color:var(--muted);margin:.8rem auto 1.8rem;max-width:34rem}

footer{background:var(--bg-2);border-top:1px solid var(--line);padding:46px 0 26px}
.foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.foot-brand{display:flex;align-items:center;gap:.6rem;font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.1rem}
.foot-brand img{border-radius:8px}
.foot-note{color:var(--muted);font-size:.9rem}
.foot a{color:var(--accent)}
.foot-legal{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem}

@media (hover:hover) and (pointer:fine){
  .btn-solid:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(255,122,77,.34)}
  .btn-ghost:hover{transform:translateY(-3px);background:var(--accent-soft)}
  .nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(255,122,77,.34)}
  .bcell:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:0 18px 34px rgba(0,0,0,.3)}
  .phase:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:0 16px 30px rgba(0,0,0,.28)}
  .faq-item:hover{border-color:var(--accent)}
  #primaryNav a:hover{color:var(--accent)}
}

@media (max-width:860px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .bcell.big{grid-column:span 2;grid-row:auto}
  .bcell.wide{grid-column:span 2}
  .roadmap{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:26px}
}
@media (max-width:620px){
  #navToggle{display:flex}
  #primaryNav{position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg-2);border-bottom:1px solid var(--line);padding:8px 22px 18px;max-height:0;overflow:hidden;transition:max-height .3s ease}
  #primaryNav.open{max-height:420px}
  #primaryNav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-cta{text-align:center;margin-top:10px}
  .bento{grid-template-columns:1fr}
  .bcell.big,.bcell.wide{grid-column:auto}
  .roadmap{grid-template-columns:1fr}
  .spark{right:-40px;opacity:.5}
  .band{padding:60px 0}
  .hero{padding:72px 0 64px}
}