:root{
  --bg:#fbf3e7;
  --bg-2:#efe3d0;
  --surface:#ffffff;
  --green:#1f6f5b;
  --terracotta:#c47f3a;
  --blue:#2f4f6f;
  --border:#e5d5bd;
  --text:#242424;
  --radius:14px;
  --maxw:1140px;
  --space:24px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Segoe UI",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
a{color:var(--green);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{line-height:1.2;font-weight:700;}
h1{font-size:2.4rem;}
h2{font-size:1.8rem;}
h3{font-size:1.25rem;}
img{max-width:100%;display:block;}

/* Header */
.site-header{
  background:var(--surface);
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:50;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;}
.brand{font-size:1.3rem;font-weight:800;color:var(--green);}
.brand span{color:var(--terracotta);}
.main-nav{display:flex;gap:18px;flex-wrap:wrap;}
.main-nav a{color:var(--text);font-weight:600;font-size:.95rem;}
.main-nav a:hover,.main-nav a.active{color:var(--green);text-decoration:none;}
.nav-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--text);}

/* Hero */
.hero{background:linear-gradient(180deg,var(--bg-2),var(--bg));padding:60px 0;}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;font-weight:700;color:var(--terracotta);margin-bottom:10px;}
.lead{font-size:1.1rem;margin-top:14px;max-width:60ch;}
.hero-actions{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;}
.hero-illustration,.guide-illustration{width:100%;border-radius:10px;}

/* Buttons */
.btn{display:inline-block;padding:12px 22px;border-radius:30px;font-weight:700;cursor:pointer;border:2px solid transparent;transition:.2s;}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn-primary{background:var(--green);color:#fff;}
.btn-outline{border-color:var(--green);color:var(--green);background:transparent;}
.btn-outline:hover{background:var(--green);color:#fff;}

/* Sections */
.section{padding:56px 0;}
.section-alt{background:var(--bg-2);}
.section-head{text-align:center;max-width:60ch;margin:0 auto 36px;}
.section-head p{margin-top:10px;}
.center-actions{text-align:center;margin-top:34px;}

.page-hero{background:linear-gradient(180deg,var(--bg-2),var(--bg));padding:50px 0;}
.page-hero h1{margin-top:6px;}

/* Grid + cards */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:0 2px 10px rgba(31,111,91,.05);
  transition:.2s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(31,111,91,.1);}
.card h3{margin:10px 0 8px;}
.card p{margin-bottom:10px;}
.card-link{font-weight:700;color:var(--blue);}
.meta,.type{font-size:.9rem;color:var(--terracotta);font-weight:600;}
.spec-list{list-style:none;margin:12px 0;}
.spec-list li{padding:4px 0;border-bottom:1px dashed var(--border);font-size:.92rem;}
.spec-list li:last-child{border-bottom:none;}

/* Tags */
.tag{display:inline-block;padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.04em;}
.tag-green{background:var(--green);}
.tag-terracotta{background:var(--terracotta);}
.tag-blue{background:var(--blue);}

/* Guide block */
.guide-block{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.check-list{list-style:none;margin:16px 0;}
.check-list li{padding:8px 0 8px 28px;position:relative;}
.check-list li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800;}

/* CTA */
.cta{background:var(--green);color:#fff;padding:56px 0;text-align:center;}
.cta h2{color:#fff;}
.cta p{margin:12px 0 22px;}
.cta .btn-primary{background:#fff;color:var(--green);}
.cta .btn-primary:hover{background:var(--bg-2);}

/* Tables */
.table-wrap{overflow-x:auto;}
.compare-table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius);overflow:hidden;}
.compare-table th,.compare-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--border);}
.compare-table th{background:var(--blue);color:#fff;}
.compare-table tr:last-child td{border-bottom:none;}

/* Narrow content */
.narrow{max-width:760px;}
.narrow h2{margin:28px 0 10px;}
.narrow p{margin-bottom:12px;}

/* Contact */
.contact-layout{display:grid;grid-template-columns:1.4fr .8fr;gap:30px;align-items:start;}
.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;}
.form-group{margin-bottom:18px;display:flex;flex-direction:column;}
.form-group label{font-weight:600;margin-bottom:6px;}
.form-group input,.form-group textarea{
  padding:12px;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:1rem;background:var(--bg);
}
.form-group input:focus,.form-group textarea:focus{outline:2px solid var(--green);border-color:var(--green);}
.form-status{margin-top:14px;font-weight:700;color:var(--green);}
.contact-aside h3{margin-bottom:12px;}

/* Footer */
.site-footer{background:#1c1c1c;color:#e8e8e8;padding:50px 0 24px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:30px;}
.footer-grid h4{margin-bottom:12px;color:#fff;}
.footer-grid a{display:block;color:#c9c9c9;margin-bottom:8px;font-size:.92rem;}
.footer-grid a:hover{color:#fff;}
.brand-footer{color:#fff;display:inline-block;margin-bottom:10px;}
.footer-desc{font-size:.9rem;color:#bdbdbd;}
.footer-address{font-style:normal;font-size:.9rem;color:#c9c9c9;margin-bottom:10px;line-height:1.7;}
.footer-bottom{border-top:1px solid #333;margin-top:30px;padding-top:20px;font-size:.82rem;color:#9c9c9c;}
.data-note{margin-bottom:8px;}

/* Responsive */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;}
  .guide-block{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .contact-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
  h1{font-size:1.9rem;}
  h2{font-size:1.5rem;}
  .nav-toggle{display:block;}
  .main-nav{display:none;width:100%;flex-direction:column;gap:0;margin-top:10px;}
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 0;border-bottom:1px solid var(--border);}
  .header-inner{flex-wrap:wrap;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}