*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#ffffff;
  --bg-soft:#f5f5f4;
  --border:#e5e5e5;
  --text:#171717;
  --text-muted:#737373;
  --accent:#171717;
  --accent-hover:#404040;
  --radius:9999px;
}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}

.container{max-width:960px;margin:0 auto;padding:0 24px}

/* Nav */
nav{padding:20px 0}
nav .container{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:18px;font-weight:700;letter-spacing:-0.5px}
@media(max-width:640px){.logo{font-size:15px}}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:14px;color:var(--text-muted);transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-links .btn-nav{
  padding:8px 20px;
  background:var(--accent);
  color:#fff;
  border-radius:var(--radius);
  font-size:14px;
  font-weight:500;
  transition:background .2s;
}
.nav-links .btn-nav:hover{background:var(--accent-hover)}
.nav-link-text{font-size:14px;color:var(--text-muted);transition:color .2s}
.nav-link-text:hover{color:var(--text)}

@media(max-width:640px){
  .nav-link-text{display:none}
  .nav-links{gap:0}
}

/* Hero */
.hero{
  padding:100px 0 80px;
  text-align:center;
}
@media(max-width:640px){
  .hero{padding:60px 0 50px}
}
.hero h1{
  font-size:clamp(36px,6vw,64px);
  font-weight:800;
  letter-spacing:-2px;
  line-height:1.08;
  margin-bottom:20px;
}
.hero p{
  font-size:clamp(16px,2vw,19px);
  color:var(--text-muted);
  max-width:520px;
  margin:0 auto 36px;
  line-height:1.6;
}
.hero-badge{
  display:inline-block;
  font-size:13px;
  font-weight:500;
  padding:6px 16px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  color:var(--text-muted);
  margin-bottom:28px;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 28px;
  background:var(--accent);
  color:#fff;
  font-size:15px;
  font-weight:500;
  border-radius:var(--radius);
  transition:all .2s;
}
.btn:hover{background:var(--accent-hover);color:#fff}
.btn svg{width:16px;height:16px}
.btn-outline{
  background:transparent;
  color:var(--text);
  border:1px solid var(--border);
}
.btn-outline:hover{background:var(--bg-soft);color:var(--text)}

/* Divider */
.divider{
  width:100%;
  height:1px;
  background:var(--border);
}

/* Features */
.features{padding:80px 0}
.section-label{
  text-align:center;
  font-size:13px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:1.5px;
  color:var(--text-muted);
  margin-bottom:16px;
}
.features h2{
  text-align:center;
  font-size:clamp(28px,4vw,42px);
  font-weight:700;
  letter-spacing:-1.5px;
  margin-bottom:56px;
  line-height:1.15;
}
.grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
@media(max-width:640px){
  .grid{grid-template-columns:1fr}
  .features{padding:60px 0}
  .features h2{margin-bottom:36px}
  .card{padding:24px}
}
.card{
  padding:32px;
  border-radius:16px;
  background:var(--bg-soft);
  transition:background .2s;
}
.card:hover{background:#eeeeec}
.card-icon{
  margin-bottom:16px;
  color:var(--text);
}
.card h3{
  font-size:16px;
  font-weight:600;
  margin-bottom:8px;
  letter-spacing:-0.3px;
}
.card p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.6;
}

/* Solution */
.solution{padding:80px 0}
.solution h2{
  text-align:center;
  font-size:clamp(28px,4vw,42px);
  font-weight:700;
  letter-spacing:-1.5px;
  margin-bottom:20px;
  line-height:1.15;
}
.solution-desc{
  text-align:center;
  color:var(--text-muted);
  font-size:16px;
  max-width:560px;
  margin:0 auto 48px;
  line-height:1.6;
}
.solution-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
.solution-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:24px;
  border-radius:12px;
  background:var(--bg-soft);
}
.solution-item span{flex-shrink:0;margin-top:2px;color:var(--text)}
.solution-item strong{font-size:15px;font-weight:600;display:block;margin-bottom:4px}
.solution-item p{font-size:14px;color:var(--text-muted);line-height:1.5;margin:0}
@media(max-width:640px){
  .solution{padding:60px 0}
  .solution-desc{margin-bottom:32px}
  .solution-grid{grid-template-columns:1fr}
}

/* Steps */
.steps{padding:80px 0}
.steps h2{
  text-align:center;
  font-size:clamp(28px,4vw,42px);
  font-weight:700;
  letter-spacing:-1.5px;
  margin-bottom:56px;
  line-height:1.15;
}
.steps-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
}
@media(max-width:640px){
  .steps{padding:60px 0}
  .steps h2{margin-bottom:36px}
  .steps-row{grid-template-columns:1fr;gap:28px}
  .cta-section{padding:60px 0}
}
.step{text-align:center}
.step-num{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;
  border-radius:50%;
  background:var(--bg-soft);
  font-size:15px;
  font-weight:700;
  color:var(--text);
}
.step h3{
  font-size:16px;
  font-weight:600;
  margin-bottom:8px;
  letter-spacing:-0.3px;
}
.step p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.6;
}

/* CTA */
.cta-section{
  padding:80px 0;
  text-align:center;
}
.cta-section h2{
  font-size:clamp(28px,4vw,42px);
  font-weight:700;
  letter-spacing:-1.5px;
  margin-bottom:12px;
  line-height:1.15;
}
.cta-section p{
  color:var(--text-muted);
  margin-bottom:32px;
  font-size:16px;
}

/* Footer */
footer{
  padding:24px 0;
  border-top:1px solid var(--border);
}
footer .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
footer span{font-size:13px;color:var(--text-muted)}
footer a{font-size:13px;color:var(--text-muted);transition:color .2s}
footer a:hover{color:var(--text)}