:root{
  --accent:#2E8B57; /* sea green */
  --muted:#6b7280;
  --bg:#f7faf7;
  --card:#ffffff;
  --glass: rgba(255,255,255,0.6);
  --radius:12px;
  --max-width:1200px;
}
*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color:#0f172a;
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* Skip link (accessible) */
.skip-link{position:absolute;left:8px;top:8px;background:#0f172a;color:#fff;padding:8px 12px;border-radius:8px;z-index:60;transform:translateY(-120%);transition:transform .18s ease}
.skip-link:focus{transform:translateY(0)}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.8));backdrop-filter: blur(6px);box-shadow:0 1px 0 rgba(15,23,42,0.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:12px}
.logo{font-weight:700;color:var(--accent);font-size:1.25rem;letter-spacing:-0.2px}
.main-nav{display:flex;align-items:center;gap:12px}
.main-nav a{margin-left:0;color:var(--muted);text-decoration:none;padding:8px 6px;border-radius:8px;transition:all .15s ease}
.main-nav a:hover,.main-nav a:focus{color:var(--accent);transform:translateY(-2px)}
.main-nav a.cta-nav{background:var(--accent);color:white;padding:8px 12px;border-radius:10px;box-shadow:0 6px 18px rgba(46,139,87,0.12)}

/* Mobile nav toggle */
.nav-toggle{display:none;background:transparent;border:none;padding:8px;border-radius:8px;cursor:pointer}
.nav-toggle:focus{outline:3px solid rgba(46,139,87,0.12)}
.hamburger{width:22px;height:2px;background:var(--accent);display:block;position:relative;border-radius:2px}
.hamburger::before,.hamburger::after{content:'';position:absolute;left:0;right:0;height:2px;background:var(--accent);border-radius:2px}
.hamburger::before{top:-7px}
.hamburger::after{top:7px}

/* collapsed nav for small screens */
@media (max-width: 768px){
  .nav-toggle{display:block}
  .main-nav{display:none;flex-direction:column;gap:10px;padding:14px;border-radius:10px;margin-top:10px;background:linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,255,255,0.96));box-shadow:0 8px 30px rgba(15,23,42,0.06)}
  .site-header.nav-open .main-nav{display:flex}
  .main-nav a{padding:10px 12px}
  .cta-nav{align-self:flex-start}
}

/* Hero */
.hero{padding:68px 0}
.hero-inner{display:grid;grid-template-columns:1fr 520px;gap:40px;align-items:center}
.hero-copy h1{font-size:clamp(1.6rem, 2.6vw + 1rem, 3rem);margin:0 0 8px;line-height:1.04}
.tagline{color:var(--accent);font-weight:600;margin:0 0 12px}
.hero-lead{color:var(--muted);margin-bottom:18px}
.hero-ctas .btn{margin-right:12px}
.hero-media{display:flex;justify-content:center}
.hero-media img{max-width:100%;height:auto;border-radius:16px;box-shadow:0 12px 40px rgba(15,23,42,0.12);border:1px solid rgba(15,23,42,0.03);object-fit:cover}

/* Buttons */
.btn{display:inline-block;padding:10px 16px;border-radius:10px;background:transparent;border:1px solid rgba(15,23,42,0.06);text-decoration:none;color:var(--accent);font-weight:600;transition:all .16s ease}
.btn.primary{background:var(--accent);color:white;border:none;box-shadow:0 8px 24px rgba(46,139,87,0.12)}
.btn.ghost{background:transparent;border:1px solid rgba(15,23,42,0.06)}
.btn.large{padding:14px 22px;font-size:1.05rem}
.btn:hover,.btn:focus{transform:translateY(-3px);box-shadow:0 12px 30px rgba(15,23,42,0.08)}

/* Focus styles */
a:focus{outline:3px solid rgba(46,139,87,0.18);outline-offset:3px}

/* Sections */
section{padding:56px 0}
h2{margin:0 0 8px;font-size:1.6rem}
.section-intro{color:var(--muted);margin-bottom:18px}

/* Features grid */
.features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feature{background:var(--card);padding:20px;border-radius:14px;display:flex;gap:14px;align-items:flex-start;box-shadow:0 8px 22px rgba(15,23,42,0.06);border:1px solid rgba(15,23,42,0.03);transition:transform .18s ease,box-shadow .18s ease}
.feature-icon{font-size:1.8rem}
.feature h3{margin:0 0 6px}
.feature:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(15,23,42,0.08)}

/* How it works */
.steps{display:flex;gap:18px}
.step{background:var(--card);padding:18px;border-radius:12px;display:flex;gap:12px;align-items:flex-start;flex:1;box-shadow:0 8px 20px rgba(15,23,42,0.04);border:1px solid rgba(15,23,42,0.02)}
.step-number{background:var(--accent);color:white;width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700}
.step h4{margin:0 0 6px}
.step p{margin:0;color:var(--muted)}

/* Pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.card{background:var(--card);padding:22px;border-radius:14px;text-align:center;box-shadow:0 10px 30px rgba(15,23,42,0.06);border:1px solid rgba(15,23,42,0.03);transition:transform .18s ease,box-shadow .18s ease}
.card.featured{border:2px solid rgba(46,139,87,0.12)}
.card:hover{transform:translateY(-8px);box-shadow:0 26px 64px rgba(15,23,42,0.12)}
.price{font-size:1.6rem;color:var(--accent);margin:10px 0}

/* Order */
.order{background:linear-gradient(90deg, rgba(46,139,87,0.08), rgba(46,139,87,0.02));border-radius:14px;margin:20px 0;padding:28px}
.order .btn{margin-top:12px}

/* Footer */
.site-footer{padding:20px 0;background:transparent;border-top:1px solid rgba(15,23,42,0.03)}
.footer-inner{display:flex;align-items:center;justify-content:space-between}
.socials a{margin-left:12px;color:var(--muted);text-decoration:none}

/* Responsive */

@media (max-width: 1100px){
  .hero-inner{grid-template-columns:1fr 420px}
  .features-grid{grid-template-columns:1fr 1fr}
}

@media (max-width: 900px){
  .hero-inner{grid-template-columns:1fr;gap:28px}
  .hero{padding:48px 0}
  .hero-copy h1{font-size:1.9rem}
}

@media (max-width: 768px){
  .features-grid{grid-template-columns:1fr}
  .steps{flex-direction:column}
  .pricing-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;gap:12px}
  /* mobile header: logo left, toggle right; dropdown menu appears below centered */
  .header-inner{flex-direction:row;align-items:center;justify-content:space-between}
  .nav-toggle{order:2}
  .logo{order:1}
  .main-nav{width:100%;display:none;flex-direction:column;gap:10px;padding:12px 16px;margin-top:8px;border-radius:10px;background:linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,255,255,0.96));box-shadow:0 8px 30px rgba(15,23,42,0.06)}
  .site-header.nav-open .main-nav{display:flex}
  .main-nav a{padding:10px 12px;text-align:center;width:100%;color:var(--muted)}
  .main-nav a.cta-nav{align-self:center}
  .hero-media img{max-height:320px}
}

@media (min-width: 900px){
  .feature{flex-direction:column;align-items:center;text-align:center;padding:28px}
  .feature-icon{margin-bottom:12px;font-size:2rem}
}

@media (min-width:1200px){
  .features-grid{grid-template-columns:repeat(4,1fr)}
}

@media (max-width:420px){
  .container{padding:0 14px}
  .hero-copy h1{font-size:1.5rem}
  .logo{font-size:1rem}
}