:root{
  --bg: #ffffff;
  --text: #0b0b0f;
  --muted: rgba(11,11,15,.62);
  --line: rgba(11,11,15,.10);
  --card: rgba(255,255,255,.72);
  --shadow: 0 20px 60px rgba(0,0,0,.08);
  --radius: 22px;
}

*{ box-sizing: border-box; }
html, body { height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "SF Pro Display", "SF Pro Text", Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 70% 0%, rgba(0,0,0,.04), transparent 55%),
              radial-gradient(900px 500px at 15% 10%, rgba(0,0,0,.03), transparent 60%),
              var(--bg);
}

a{ color: inherit; }

.container{
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 18px;
}

.navbar{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(255,255,255,.78);
  border-bottom: 1px solid var(--line);
}

.navbar-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand img{
  width: 26px;
  height: 26px;
}

.brand span{
  font-weight: 650;
  letter-spacing: -0.02em;
}

.nav-actions{
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-size: 14px;
  background: rgba(255,255,255,.65);
}

.btn:hover{
  background: rgba(255,255,255,.9);
}

.btn-primary{
  background: #111;
  border-color: #111;
  color: #fff;
}
.btn-primary:hover{ background:#000; }

.hero{
  padding: 72px 0 34px;
}

.kicker{
  color: var(--muted);
  font-size: 14px;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.h1{
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1.03;
  letter-spacing: -0.04em;
  margin: 0;
}

.sub{
  margin-top: 16px;
  font-size: 18px;
  color: var(--muted);
  max-width: 720px;
}

.hero-cta{
  margin-top: 22px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-card{
  margin-top: 28px;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.grid{
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.card{
  grid-column: span 4;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.75);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 12px 30px rgba(0,0,0,.06);
}

.card h3{
  margin: 10px 0 6px;
  letter-spacing: -0.02em;
}

.card p{
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.ph{
  width: 100%;
  height: 160px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(0,0,0,.06), rgba(0,0,0,.02));
}

.section{
  padding: 34px 0 12px;
}

.section-title{
  font-size: 26px;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
}

.section-sub{
  color: var(--muted);
  margin: 0 0 18px;
  max-width: 760px;
}

.steps{
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.step{
  grid-column: span 6;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.72);
  padding: 18px;
}

.badge{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.9);
  font-weight: 650;
  margin-right: 10px;
}

.footer{
  margin-top: 40px;
  padding: 30px 0 50px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 980px){
  .card{ grid-column: span 6; }
}
@media (max-width: 640px){
  .card{ grid-column: span 12; }
  .step{ grid-column: span 12; }
}