:root{
  --bg:#f3faf4;
  --surface:#ffffff;
  --muted:#4f6658;
  --brand-900:#13492f;
  --brand-700:#24784b;
  --brand-500:#5cbf8c;
  --accent:#8ccf7d;
  --success:#2fa654;
  --radius:16px;
  --container:1200px;
  --gap:24px;
}

/* Reset */
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial; background:var(--bg); color:#0f1724; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale}

.container{max-width:var(--container);margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:var(--surface);color:var(--brand-900);border-bottom:1px solid rgba(36,120,75,0.12)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:inherit}
.brand-logo{width:60px;height:60px;object-fit:cover;border-radius:14px;box-shadow:0 18px 50px rgba(36,120,75,0.14)}
.brand-text{font-weight:800;font-size:18px;letter-spacing:0.32px;text-transform:uppercase;color:var(--brand-900)}

.nav{display:none}
.nav.open{display:block}
.nav-list{list-style:none;display:flex;gap:28px;align-items:center;flex-wrap:wrap}
.nav-list a{text-decoration:none;color:var(--brand-900);font-weight:600;padding:12px 14px;border-radius:999px;transition:transform 160ms,background 160ms}
.nav-list a:hover{background:rgba(36,120,75,0.12);transform:translateY(-2px);color:var(--brand-900)}

.nav-toggle{background:var(--brand-500);border:1px solid rgba(36,120,75,0.18);color:#fff;padding:12px;border-radius:14px;display:block;cursor:pointer;transition:background 160ms}
.nav-toggle:hover{background:var(--brand-700)}

/* Hero */
.hero{position:relative;overflow:hidden;padding:64px 0 80px;background:linear-gradient(135deg, rgba(169,231,147,0.18), rgba(225,252,241,0.98) 48%, #f8fffb 100%);color:var(--brand-900)}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at top right, rgba(97,187,104,0.18), transparent 20%), radial-gradient(circle at bottom left, rgba(134,227,166,0.16), transparent 16%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1fr;gap:30px;align-items:center;max-width:1180px;margin:0 auto;padding:0 20px}
.hero-copy{max-width:640px}
.eyebrow{display:inline-block;margin-bottom:22px;padding:8px 16px;border-radius:999px;background:rgba(36,120,75,0.12);color:var(--brand-900);text-transform:uppercase;letter-spacing:0.24em;font-size:12px;font-weight:700}
.hero-title{font-size:42px;line-height:1.05;margin-bottom:22px;font-weight:800;letter-spacing:-0.04em}
.hero-sub{color:rgba(30,60,34,0.85);font-size:18px;line-height:1.85;max-width:640px;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:28px}
.stat{background:rgba(255,255,255,0.92);padding:18px 20px;border-radius:18px;box-shadow:0 18px 50px rgba(36,120,75,0.09)}
.stat strong{display:block;font-size:28px;color:var(--brand-900);margin-bottom:6px}
.stat span{color:var(--muted);font-size:14px}
.hero-cards{display:grid;gap:18px}
.hero-card{padding:22px 24px;border-radius:24px;background:var(--surface);border:1px solid rgba(36,120,75,0.12);box-shadow:0 22px 50px rgba(36,120,75,0.08)}
.hero-card h4{font-size:18px;color:var(--brand-900);margin-bottom:10px}
.hero-card p{font-size:14px;color:var(--muted);line-height:1.75}

@media(min-width:768px){
  .hero-inner{grid-template-columns:1.1fr 0.9fr}
  .hero-cta{justify-content:flex-start}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr))}
}

@media(min-width:1100px){
  .hero-title{font-size:54px}
  .hero-sub{font-size:20px}
}

.btn{display:inline-block;padding:12px 20px;border-radius:999px;text-decoration:none;font-weight:700}
.btn.primary{background:var(--brand-500);color:#fff;box-shadow:0 12px 28px rgba(59,177,113,0.25)}
.btn.outline{background:transparent;border:2px solid rgba(36,120,75,0.18);color:var(--brand-900)}
.btn.whatsapp{background:var(--success);color:#fff}

/* Sections */
.section{padding:56px 0}
.section-title{font-size:20px;color:var(--brand-900);margin-bottom:8px;font-weight:700}
.section-lead{color:var(--muted);margin-bottom:20px}

.services-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:16px}
.service{background:var(--surface);padding:18px;border-radius:var(--radius);box-shadow:0 6px 18px rgba(12,21,30,0.06)}
.service h3{margin-bottom:8px;color:var(--brand-700);font-size:16px}
.service p{color:var(--muted);font-size:14px}

.service-icon{font-size:28px;margin-bottom:10px;display:inline-block}

.testimonials-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:18px}
.testimonial-card{background:var(--surface);padding:20px;border-radius:12px;box-shadow:0 6px 18px rgba(2,6,23,0.06)}
.testimonial-card .quote{font-style:italic;color:#0b2540;margin-bottom:8px}
.testimonial-card .by{color:var(--muted);font-size:13px}

/* Desktop breakpoints */
@media(min-width:768px){
  .nav{display:block}
}

/* Testimonials grid on larger screens */
@media(min-width:900px){
  .testimonials-grid{grid-template-columns:repeat(3,1fr)}
}

.about-grid{display:grid;grid-template-columns:1fr;gap:18px;color:var(--muted)}
.about-cards{display:grid;grid-template-columns:1fr;gap:18px;margin-top:24px}
.about-card{background:var(--surface);padding:24px;border-radius:24px;box-shadow:0 18px 40px rgba(36,120,75,0.1);border:1px solid rgba(36,120,75,0.12);transition:transform 180ms ease,box-shadow 180ms ease}
.about-card:hover{transform:translateY(-4px);box-shadow:0 22px 48px rgba(36,120,75,0.14)}
.card-icon{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:14px;background:rgba(36,120,75,0.12);color:var(--brand-700);font-size:18px;margin-bottom:16px}
.about-card h3{margin-bottom:10px;color:var(--brand-900);font-size:20px}
.about-card p{color:var(--muted);font-size:15px;line-height:1.8}

.founders-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:12px}
.founder-card{background:var(--surface);padding:16px;border-radius:12px;box-shadow:0 6px 12px rgba(2,6,23,0.05)}

.contact-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:20px}
.contact-container{display:grid;grid-template-columns:1fr;gap:28px}
.contact-copy{max-width:560px}
.contact-grid{display:grid;grid-template-columns:1fr;gap:18px}
.contact-card{background:var(--surface);padding:26px;border-radius:24px;box-shadow:0 20px 45px rgba(36,120,75,0.08);border:1px solid rgba(36,120,75,0.12);transition:transform 180ms ease,box-shadow 180ms ease}
.contact-card:hover{transform:translateY(-4px);box-shadow:0 24px 50px rgba(36,120,75,0.12)}
.card-icon{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:16px;background:rgba(36,120,75,0.12);color:var(--brand-700);font-size:20px;margin-bottom:16px}
.contact-card h3{margin-bottom:10px;color:var(--brand-900);font-size:18px}
.contact-card p{color:var(--muted);font-size:15px;line-height:1.9}
.contact-card a{color:var(--brand-700);text-decoration:none;font-weight:700}
.contact-card a:hover{text-decoration:underline}

/* Footer */
.site-footer{background:#e8f6ed;color:#345a43;padding:20px 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:12px}
.footer-inner p{margin:0;font-size:13px}
.small{opacity:0.9}

/* Desktop layout adjustments */
@media(min-width:768px){
  .nav{display:block}
  .nav-toggle{display:none}
  .hero-title{font-size:40px}
  .services-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .about-grid{grid-template-columns:2fr 1fr;align-items:start}
  .founders-grid{grid-template-columns:repeat(2,1fr)}
  .contact-container{grid-template-columns:1.2fr 0.8fr}
  .contact-grid{grid-template-columns:repeat(1,1fr)}
  .footer-inner{align-items:center}
}

@media(min-width:900px){
  .contact-grid{grid-template-columns:repeat(3,1fr)}
}

@media(max-width:767px){
  .hero{padding:48px 0 60px}
  .hero-title{font-size:32px}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:1fr}
  .hero-card{padding:18px 20px}
  .hero-inner{padding:0 16px}
  .footer-inner{flex-direction:column;align-items:flex-start}
}

@media(min-width:1100px){
  .hero-inner{padding:120px 0}
  .hero-title{font-size:48px}
}

/* Accessibility focus states */
a:focus{outline:3px solid rgba(11,37,64,0.12);outline-offset:3px}