/* =========================
   BPM — main.css (launch-ready)
   Mobile-first, static-site safe
   ========================= */

/* ---- Reset / baseline ---- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:root{
  --bg: #06070b;
  --fg: #f2f4ff;
  --muted: rgba(242,244,255,.72);
  --muted2: rgba(242,244,255,.55);
  --card: rgba(10,14,24,.72);
  --card2: rgba(10,14,24,.55);
  --stroke: rgba(242,244,255,.10);
  --stroke2: rgba(242,244,255,.16);
  --shadow: 0 24px 80px rgba(0,0,0,.55);
  --r12: 12px;
  --r16: 16px;
  --r22: 22px;
  --r999: 999px;
  --max: 1100px;
}

/* ---- Page base ---- */
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 30% 10%, rgba(255,120,0,.16), transparent 55%),
              radial-gradient(1000px 500px at 75% 35%, rgba(0,255,200,.10), transparent 60%),
              radial-gradient(900px 500px at 50% 90%, rgba(140,80,255,.10), transparent 60%),
              var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.shell{
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 16px 56px;
}

/* ---- Common atoms ---- */
.kicker{
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted2);
}

h1,h2,h3{ margin: 0; }
p{ margin: 0; color: var(--muted); }

.lead{
  margin-top: 12px;
  line-height: 1.65;
  font-size: 16px;
  max-width: 70ch;
}

.muted{ color: var(--muted2); }

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--r12);
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,.04);
  text-decoration: none;
  color: var(--fg);
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
  user-select: none;
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,.06); }
.btn.primary{
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.22);
}
.btn.primary:hover{ background: rgba(255,255,255,.14); }

.card, .panel{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  border-radius: var(--r22);
  padding: 16px;
}

.card h3{ font-size: 16px; margin-bottom: 6px; }
.card p{ font-size: 14px; line-height: 1.6; }

.panel h2{ font-size: 18px; margin-bottom: 10px; }
.list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}
.note{
  margin-top: 12px;
  padding: 12px;
  border-radius: var(--r16);
  border: 1px dashed rgba(242,244,255,.16);
  background: rgba(255,255,255,.03);
  color: var(--muted);
}

/* ---- HERO ---- */
.hero{
  padding: 32px 0 18px;
}
.hero h1{
  margin-top: 10px;
  font-size: clamp(42px, 8vw, 74px);
  line-height: 1.03;
  letter-spacing: -0.02em;
}
.cta-row{
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cards{
  margin-top: 18px;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.grid2{
  margin-top: 18px;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.strip{
  margin-top: 18px;
}
.strip-inner{
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-radius: var(--r22);
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.03);
}

/* ---- Footer ---- */
.footer{
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 16px 40px;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  color: var(--muted2);
  border-top: 1px solid rgba(242,244,255,.10);
}

/* =========================
   NAV — SINGLE SOURCE OF TRUTH
   ========================= */
.nav{
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(242,244,255,.08);
  background: rgba(5,7,12,.72);
  backdrop-filter: blur(12px);
}

.brand{
  font-weight: 800;
  letter-spacing: .02em;
  text-decoration: none;
  padding: 8px 10px;
  border-radius: var(--r999);
  border: 1px solid rgba(242,244,255,.10);
  background: rgba(255,255,255,.03);
}

.nav-toggle{
  display: none;
  border: 1px solid rgba(242,244,255,.12);
  background: rgba(255,255,255,.03);
  color: inherit;
  font-size: 22px;
  line-height: 1;
  padding: 10px 12px;
  border-radius: var(--r12);
  cursor: pointer;
}

.nav-links{
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-links a{
  text-decoration: none;
  padding: 10px 12px;
  border-radius: var(--r999);
  border: 1px solid transparent;
  color: var(--muted);
}
.nav-links a:hover{
  color: var(--fg);
  border-color: rgba(242,244,255,.14);
  background: rgba(255,255,255,.03);
}
.nav-links a.active{
  color: var(--fg);
  border-color: rgba(242,244,255,.22);
  background: rgba(255,255,255,.05);
}

/* Mobile */
@media (max-width: 768px){
  .nav{ flex-wrap: wrap; }

  .nav-toggle{
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links{
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px 0 6px;
  }

  .nav-links.is-open{ display: flex; }

  .nav-links a{
    border-radius: var(--r12);
    padding: 12px 14px;
  }
}

/* Desktop layout upgrades */
@media (min-width: 720px){
  .shell{ padding: 0 20px 56px; }
  .cards{ grid-template-columns: repeat(3, 1fr); }
  .grid2{ grid-template-columns: 1fr 1fr; }
}

/* Extra-small */
@media (max-width: 420px){
  .hero{ padding-top: 24px; }
  .lead{ font-size: 15px; }
}