:root{
  --forest: #224F3A;      /* primary */
  --signal: #FF6B00;      /* accent / CTA */
  --charcoal:#1D1D1F;     /* text / dark bg */
  --slate:   #6D6D72;     /* secondary text */
  --light:   #EAEAEB;     /* dividers/bg */
  --white:   #FFFFFF;
  --success: #28C76F;
  --warn:    #FFB020;
  --error:   #F44336;
  --radius:  16px;
  --shadow:  0 10px 24px rgba(0,0,0,.08);
  --maxw:    1120px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,Arial,sans-serif;color:var(--charcoal);background:var(--white);}
.container{max-width:var(--maxw);margin:auto;padding:0 20px;}
.btn{display:inline-block;padding:12px 18px;border-radius:var(--radius);text-decoration:none;font-weight:600}
.btn-primary{background:var(--signal);color:var(--white)}
.btn-secondary{border:1px solid var(--light);color:var(--charcoal);background:var(--white)}
.hero{padding:80px 0;background:linear-gradient(180deg,#f9faf9,transparent)}
.hero h1{font-size:40px;line-height:1.1;margin:0 0 14px}
.hero p{color:var(--slate);max-width:720px}
.section{padding:64px 0;border-top:1px solid var(--light)}
.card{background:var(--white);border:1px solid var(--light);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
footer{padding:56px 0;background:var(--charcoal);color:var(--white)}
nav{position:sticky;top:0;background:var(--white);border-bottom:1px solid var(--light);z-index:50}
nav .wrap{display:flex;gap:20px;align-items:center;justify-content:space-between;padding:12px 0}
nav a{color:var(--charcoal);text-decoration:none;font-weight:600}
nav .menu{display:flex;gap:18px;align-items:center}
.mobile-toggle{display:none}
@media (max-width:900px){
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .mobile-toggle{display:block}
  nav .menu{display:none}
  nav .menu.open{display:flex;flex-direction:column;align-items:flex-start;padding:14px 0}
}
@media (max-width: 600px){
  .hero{padding:64px 0}
  .hero h1{font-size:28px}
  .card{padding:18px}
  nav .wrap{padding:10px 0}
  .container{padding:0 16px}
  h2{font-size:22px}
  h3{font-size:18px}
  form button.btn{width:100%}
}
img, svg, video{max-width:100%; height:auto; display:block}
.visually-hidden{position:absolute!important;clip:rect(1px,1px,1px,1px);padding:0;border:0;height:1px;width:1px;overflow:hidden}