/* ============== NAV ============== */
.nav{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  padding: 18px 0;
  transition: background .35s ease, padding .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled{
  background: rgba(7,14,27,0.86);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  padding: 12px 0;
  border-bottom-color: var(--line-soft);
}
.nav-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 24px;
}
.nav-brand{
  display:flex;
  align-items:center;
  gap:11px;
  font-family: var(--font-display);
  font-weight:700;
  font-size: 18.5px;
  color: var(--ink-0);
}
.nav-brand img{ height:34px; width:auto; }
.nav-links{
  display:flex;
  align-items:center;
  gap: 6px;
}
.nav-links a{
  font-family: var(--font-display);
  font-size: 14px;
  font-weight:500;
  color: var(--ink-1);
  padding: 9px 16px;
  border-radius: 999px;
  transition: color .2s ease, background .2s ease;
}
.nav-links a:hover{ color: var(--ink-0); background: rgba(255,255,255,0.06); }
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-burger{
  display:none;
  width:42px; height:42px;
  align-items:center; justify-content:center;
  border-radius:10px;
  background: rgba(255,255,255,0.06);
  border:1px solid var(--line);
}
.nav-burger span{ display:block; width:18px; height:1.5px; background: var(--ink-0); position:relative; }
.nav-burger span::before, .nav-burger span::after{ content:''; position:absolute; left:0; width:18px; height:1.5px; background: var(--ink-0); transition: transform .25s ease; }
.nav-burger span::before{ top:-6px; }
.nav-burger span::after{ top:6px; }

.mobile-panel{
  position: fixed;
  inset: 0;
  background: var(--bg-0);
  z-index: 99;
  display:flex;
  flex-direction:column;
  padding: 100px 28px 40px;
  gap: 6px;
  transform: translateY(-100%);
  transition: transform .4s cubic-bezier(.6,0,.2,1);
}
.mobile-panel.is-open{ transform: translateY(0); }
.mobile-panel a{
  font-family: var(--font-display);
  font-size: 26px;
  font-weight:600;
  color: var(--ink-0);
  padding: 16px 4px;
  border-bottom: 1px solid var(--line-soft);
}
.mobile-panel .btn{ margin-top: 24px; align-self:flex-start; }

@media (max-width: 900px){
  .nav-links{ display:none; }
  .nav-cta .btn-ghost{ display:none; }
  .nav-burger{ display:flex; }
}

/* ============== HERO ============== */
.hero{
  position:relative;
  min-height: 100vh;
  display:flex;
  align-items:center;
  padding: 160px 0 100px;
  background:
    radial-gradient(circle at 14% 18%, rgba(10,123,214,0.22), transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(250,123,6,0.16), transparent 38%),
    radial-gradient(circle at 75% 78%, rgba(54,174,24,0.14), transparent 40%),
    var(--bg-0);
  overflow:hidden;
}
.hero-grid-lines{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, black 0%, transparent 70%);
  pointer-events:none;
}
.hero-row{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items:center;
}
.hero-copy h1{
  font-size: clamp(38px, 5.6vw, 68px);
  margin-top: 22px;
}
.hero-copy p{
  margin-top: 24px;
  font-size: 18.5px;
  color: var(--ink-1);
  max-width: 540px;
}
.hero-cta-row{
  display:flex;
  align-items:center;
  gap:18px;
  margin-top:38px;
  flex-wrap:wrap;
}
.hero-stats{
  display:flex;
  gap: 36px;
  margin-top: 64px;
  flex-wrap:wrap;
}
.hero-stat{ max-width: 190px; }
.hero-stat b{
  display:block;
  font-family: var(--font-display);
  font-size: 30px;
  color: var(--ink-0);
}
.hero-stat span{
  font-size: 13px;
  color: var(--ink-2);
}

/* orbital visual */
.hero-orbit-stage{
  position:relative;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}
.hero-orbit-stage::before{
  content:'';
  display:block;
  padding-top: 100%; /* square aspect, supported everywhere */
}
.orbit-ring{
  position:absolute;
  top:50%; left:50%;
  border-radius:50%;
  border: 1.3px solid;
  transform-origin: center center;
}
.orbit-ring.r1{ width:88%; height:62%; border-color: rgba(10,123,214,0.55); transform: translate(-50%,-50%) rotate(6deg); animation: spin1 34s linear infinite; }
.orbit-ring.r2{ width:76%; height:76%; border-color: rgba(54,174,24,0.45); transform: translate(-50%,-50%) rotate(-14deg); animation: spin2 46s linear infinite; }
.orbit-ring.r3{ width:62%; height:46%; border-color: rgba(240,207,18,0.55); transform: translate(-50%,-50%) rotate(48deg); animation: spin3 28s linear infinite reverse; }
.orbit-ring.r4{ width:96%; height:68%; border-color: rgba(250,123,6,0.4); transform: translate(-50%,-50%) rotate(-34deg); animation: spin1 52s linear infinite reverse; }

@keyframes spin1{ from{ transform: translate(-50%,-50%) rotate(8deg); } to{ transform: translate(-50%,-50%) rotate(368deg); } }
@keyframes spin2{ from{ transform: translate(-50%,-50%) rotate(-18deg); } to{ transform: translate(-50%,-50%) rotate(342deg); } }
@keyframes spin3{ from{ transform: translate(-50%,-50%) rotate(58deg); } to{ transform: translate(-50%,-50%) rotate(418deg); } }

.hero-orbit-core{
  position:absolute;
  top:50%; left:50%;
  width: 46%;
  transform: translate(-50%,-50%);
  filter: drop-shadow(0 30px 60px rgba(10,123,214,0.35));
  animation: float 7s ease-in-out infinite;
}
@keyframes float{ 0%,100%{ transform: translate(-50%,-50%) translateY(0); } 50%{ transform: translate(-50%,-50%) translateY(-14px); } }

.orbit-node{
  position:absolute;
  width:13px; height:13px;
  border-radius:50%;
  box-shadow: 0 0 16px 3px currentColor;
}

@media (prefers-reduced-motion: reduce){
  .orbit-ring, .hero-orbit-core{ animation:none !important; }
}

@media (max-width: 980px){
  .hero-row{ grid-template-columns:1fr; text-align:center; }
  .hero-copy p{ margin-inline:auto; }
  .hero-cta-row{ justify-content:center; }
  .hero-stats{ justify-content:center; }
  .hero-orbit-stage{ margin-top: 40px; max-width: 380px; }
}
@media (max-width:560px){
  .hero{ padding-top: 130px; }
  .hero-stats{ gap:24px; }
}