:root{
  --bg:#ffffff;
  --bg-alt:#FAFAFA;
  --bg-dark:#0f172a;
  --card:#ffffff;
  --text-primary:#1a1a1a;
  --text-secondary:#555555;
  --text-muted:#666666;
  --accent:#0066CC;
  --accent-dark:#0052A3;
  --accent-light:#E8F0FF;
  --accent-contrast:#ffffff;
  --border-light:#E0E0E0;
  --border-mid:#E0E0E0;
  --success:#22C55E;
  --error:#D32F2F;
  --max-width:1200px;
  --radius:12px;
  --shadow-sm:0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md:0 6px 24px rgba(0, 102, 204, 0.15);
  --shadow-lg:0 12px 48px rgba(0, 0, 0, 0.1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height:1.6;
  color:var(--text-primary);
  background:var(--bg);
  margin:0;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:var(--max-width);margin:0 auto;padding:40px 20px}
h1,h2,h3,h4{font-weight:700;line-height:1.2;margin:0}
h1{font-size:3.5rem;color:var(--text-primary)}
h2{font-size:2.5rem;color:var(--text-primary);margin-bottom:1.5rem}
h3{font-size:1.5rem;color:var(--text-primary);font-weight:600;margin-bottom:0.75rem}
h4{font-size:1.25rem;color:var(--text-primary);font-weight:600;margin-bottom:0.5rem}
p{margin:0;color:var(--text-secondary);margin-bottom:1rem}

/* Header */
.site-header{
  background:var(--bg);
  border-bottom:1px solid var(--border-light);
  padding:16px 0;
  position:sticky;
  top:0;
  z-index:100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
.header-grid{
  display:flex;
  align-items:center;
  justify-content:space-between;
  max-width:var(--max-width);
  margin:0 auto;
  padding:0 20px;
}
.brand{
  font-weight:800;
  font-size:1.5rem;
  letter-spacing:-0.5px;
  color:var(--accent);
}
.nav{display:flex;align-items:center;gap:32px}
.nav a{
  color:var(--text-secondary);
  text-decoration:none;
  font-weight:500;
  font-size:0.95rem;
  transition:color 0.3s ease;
}
.nav a:hover{color:var(--accent)}
.nav a.cta{
  background:var(--accent);
  color:var(--accent-contrast);
  padding:0.5rem 1.5rem;
  border-radius:6px;
  font-weight:600;
  transition: background-color 0.3s ease;
}
.nav a.cta:hover{background:var(--accent-dark)}

/* Hero */
.hero{
  padding:6rem 2rem;
  background: linear-gradient(135deg, #ffffff 0%, #F5F9FF 100%);
  min-height: 100vh;
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr;
}
.hero h1{
  font-size:3.5rem;
  font-weight:800;
  color:var(--text-primary);
  margin-bottom:1rem;
  line-height:1.2;
}
.sub{
  font-size:1.3rem;
  color:var(--text-muted);
  margin-bottom:2rem;
  font-weight:400;
  line-height:1.7;
}
.hero-details{
  background:white;
  border-left:4px solid var(--accent);
  padding:2rem;
  border-radius:8px;
  margin-bottom:2.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.hero-details p{
  color:var(--text-secondary);
  margin:0;
  font-size:1rem;
  line-height:1.7;
}

.hero-ctas{
  display:flex;
  gap:16px;
  margin-bottom:40px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:1rem 2rem;
  border-radius:8px;
  text-decoration:none;
  color:inherit;
  border:none;
  font-weight:600;
  font-size:1rem;
  transition:all 0.3s ease;
  cursor:pointer;
}
.btn-primary{
  background:var(--accent);
  color:var(--accent-contrast);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
}
.btn-primary:hover{
  background:var(--accent-dark);
  box-shadow: 0 6px 16px rgba(0, 102, 204, 0.35);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  border:1px solid var(--accent);
  color:var(--accent);
  transition: all 0.3s ease;
}
.btn-ghost:hover{
  background:#F5F9FF;
  border-color:var(--accent-dark);
  color:var(--accent-dark);
}

.pain-list{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.pain-list li{
  padding-left:24px;
  color:var(--text-secondary);
  line-height:1.6;
  font-size:0.95rem;
  position:relative;
}
.pain-list li:before{
  content:"✓";
  position:absolute;
  left:0;
  top:0;
  color:var(--success);
  font-weight:bold;
  font-size:1.5rem;
  display:inline-block;
  width:16px;
}
.pain-list strong{color:var(--text-primary);font-weight:600}

.hero-art{
  position:relative;
}
.hero-art img{
  width:100%;
  border-radius:12px;
  box-shadow:var(--shadow-lg);
}

/* Sections */
.section{padding:5rem 2rem}
.section > .container > h2{margin-bottom:1.5rem}
.section > .container > p:first-of-type{
  font-size:1.1rem;
  color:var(--text-muted);
  margin-bottom:3rem;
  max-width:100%;
  line-height:1.7;
}
.alt-bg{background:var(--bg-alt)}

/* Cards & Features */
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(320px, 1fr));
  gap:2rem;
  margin-top:3rem;
}
.card{
  background:var(--card);
  padding:2rem;
  border-radius:var(--radius);
  border:1px solid var(--border-light);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition:all 0.3s ease;
}
.card:hover{
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  transform:translateY(-4px);
  border-color:var(--accent);
}
.card h3{margin-bottom:0.75rem;color:var(--text-primary);font-weight:600}
.card p{color:var(--text-secondary);line-height:1.7}

.features-list{
  list-style:none;
  padding:0;
  margin:24px 0 0;
}
.features-list li{
  padding:12px 0;
  padding-left:28px;
  position:relative;
  color:var(--text-secondary);
  line-height:1.6;
}
.features-list li:before{
  content:"✓";
  position:absolute;
  left:0;
  color:var(--success);
  font-weight:bold;
  font-size:1.3rem;
}
.features-list strong{color:var(--text-primary)}

.networks{margin-top:3rem}
.networks h4{
  color:var(--text-primary);
  text-transform:none;
  font-size:1.25rem;
  font-weight:600;
  letter-spacing:0;
  margin-bottom:1rem;
}
.networks .icons{
  display:flex;
  gap:16px;
  align-items:center;
  flex-wrap:wrap;
}
.icons img{
  width:56px;
  height:56px;
  transition:transform 0.2s;
}
.icons img:hover{transform:scale(1.1)}

.steps{
  list-style:none;
  padding:0;
  margin:32px 0 0;
  counter-reset:step;
}
.steps li{
  counter-increment:step;
  padding:20px 0;
  padding-left:60px;
  position:relative;
  color:var(--text-secondary);
  line-height:1.7;
}
.steps li:before{
  content:counter(step);
  position:absolute;
  left:0;
  top:0;
  background:linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color:var(--accent-contrast);
  width:40px;
  height:40px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
}
.steps strong{color:var(--text-primary)}

.muted{
  color:var(--text-muted);
  font-size:0.9rem;
  margin-top:20px;
}

.who-list{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  list-style:none;
  padding:0;
  margin:24px 0;
}
.who-list li{
  background:var(--accent-light);
  padding:20px;
  border-radius:8px;
  color:var(--text-primary);
  font-weight:500;
}

.team{
  background:var(--card);
  border:1px solid var(--border-light);
  padding:32px;
  border-radius:var(--radius);
  margin-top:40px;
}
.team h3{margin-bottom:12px;color:var(--accent)}
.team p{color:var(--text-secondary);line-height:1.7}

/* Contact Section */
.contact{
  background: linear-gradient(135deg, #ffffff 0%, #F5F9FF 100%);
  color:var(--text-primary);
}
.contact h2{color:var(--text-primary)}
.contact > .container > p:first-of-type{color:var(--text-secondary)}

.contact-form{
  display:grid;
  gap:1.5rem;
  max-width:700px;
  margin-top:2rem;
}
.contact-form label{
  display:block;
  font-weight:600;
  margin-bottom:0.5rem;
  color:var(--text-primary);
  font-size:1rem;
}
.contact-form input,
.contact-form textarea{
  width:100%;
  padding:1rem;
  border:1px solid var(--border-light);
  border-radius:6px;
  background:var(--bg);
  color:var(--text-primary);
  font-family:inherit;
  font-size:1rem;
  transition:all 0.3s ease;
}
.contact-form input:focus,
.contact-form textarea:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(0, 102, 204, 0.1);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder{
  color:var(--text-muted);
}

.form-actions{
  display:flex;
  gap:16px;
  align-items:center;
  margin-top:12px;
}
.form-actions .btn{
  flex:0 0 auto;
}
.mailto-link{
  color:rgba(255,255,255,0.7);
  font-size:0.9rem;
  text-decoration:none;
  transition:color 0.2s;
}
.mailto-link:hover{color:var(--accent-light)}

.form-message{
  margin-top:1rem;
  padding:1rem;
  border-radius:6px;
  background:var(--accent-light);
  color:var(--accent);
}
.form-message.error{
  background:#F8D7DA;
  color:var(--error);
}

/* Footer */
.site-footer{
  padding:3rem 0;
  border-top:1px solid var(--border-light);
  background-color:#FAFAFA;
  text-align:center;
}
.site-footer small{
  color:var(--text-muted);
  font-size:0.9rem;
  line-height:1.6;
}
.site-footer a{
  color:var(--accent);
  text-decoration:none;
  transition: color 0.3s ease;
}
.site-footer a:hover{
  color:var(--accent-dark);
  text-decoration:none;
}

/* Responsive */
@media (max-width:1024px){
  h1{font-size:2.2rem}
  h2{font-size:1.8rem}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero{padding:60px 0 40px}
  .cards{grid-template-columns:1fr}
  .who-list{grid-template-columns:1fr}
}

@media (max-width:640px){
  .container{padding:24px 16px}
  h1{font-size:1.8rem}
  h2{font-size:1.4rem}
  h3{font-size:1.1rem}
  
  .site-header{padding:12px 0}
  .nav{gap:16px}
  .nav a{font-size:0.9rem}
  
  .hero{padding:40px 0 30px}
  .hero-ctas{flex-direction:column}
  .btn{width:100%}
  .pain-list li{padding:10px 0;padding-left:24px}
  
  .section{padding:60px 0}
  .cards{gap:16px}
  .card{padding:20px}
  
  .steps li{padding-left:50px}
  .steps li:before{width:36px;height:36px;font-size:0.9rem}
  
  .contact-form{gap:16px}
  .form-actions{flex-direction:column}
}