:root{
  --primary:#0aa6a0;
  --primary-dark:#067a76;
  --accent:#ffb84d;
  --bg:#f6fbfb;
  --text:#1b2a33;
  --muted:#5b6b75;
  --white:#ffffff;
  --shadow:0 10px 30px rgba(6,122,118,.08);
  --radius:14px;
  --max:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--primary-dark);text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);box-shadow:0 1px 0 rgba(0,0,0,.05);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;max-width:var(--max);margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;color:var(--primary-dark)}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:grid;place-items:center;color:#fff;font-weight:800}
.nav-links{display:flex;gap:24px;list-style:none;align-items:center}
.nav-links a{color:var(--text);font-weight:500}
.nav-links a:hover,.nav-links a.active{color:var(--primary-dark)}
.btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:600;transition:.2s;cursor:pointer;border:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--primary-dark);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.menu-toggle{display:none;background:none;border:none;font-size:1.6rem;color:var(--primary-dark);cursor:pointer}

/* Hero */
.hero{position:relative;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:linear-gradient(135deg,rgba(6,122,118,.85),rgba(10,166,160,.7)),url('../assets/hero.jpg') center/cover no-repeat;z-index:-1}
.hero-inner{padding:90px 20px 110px;max-width:var(--max);margin:0 auto;text-align:center}
.hero h1{font-size:clamp(2rem,4.5vw,3.5rem);font-weight:800;line-height:1.15;margin-bottom:18px}
.hero p{font-size:1.15rem;max-width:680px;margin:0 auto 30px;opacity:.95}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-cta .btn-outline{color:#fff;border-color:#fff}
.hero-cta .btn-outline:hover{background:#fff;color:var(--primary-dark)}

/* Sections */
section{padding:70px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:clamp(1.75rem,3vw,2.4rem);color:var(--primary-dark);margin-bottom:10px}
.section-title p{color:var(--muted);max-width:600px;margin:0 auto}

/* Services grid */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--white);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:.25s;border:1px solid rgba(10,166,160,.08)}
.card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(6,122,118,.15)}
.card .icon{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,#e6f7f6,#cfeeec);display:grid;place-items:center;font-size:1.6rem;margin-bottom:18px;color:var(--primary-dark)}
.card h3{color:var(--primary-dark);margin-bottom:8px;font-size:1.2rem}
.card p{color:var(--muted);font-size:.96rem}

/* About / split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow)}
.split h2{color:var(--primary-dark);font-size:2rem;margin-bottom:16px}
.split p{color:var(--muted);margin-bottom:14px}
.checklist{list-style:none;margin-top:14px}
.checklist li{padding:8px 0 8px 30px;position:relative;color:var(--text)}
.checklist li::before{content:"✓";position:absolute;left:0;top:8px;width:20px;height:20px;background:var(--primary);color:#fff;border-radius:50%;display:grid;place-items:center;font-size:.75rem;font-weight:700}

/* Stats */
.stats{background:var(--primary-dark);color:#fff}
.stats .grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:30px;text-align:center}
.stat-num{font-size:2.6rem;font-weight:800;color:var(--accent)}
.stat-label{opacity:.9;margin-top:4px}

/* Testimonials */
.testi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.testi{background:#fff;padding:28px;border-radius:var(--radius);box-shadow:var(--shadow);position:relative}
.testi::before{content:"\201C";position:absolute;top:6px;left:18px;font-size:4rem;color:var(--primary);opacity:.18;line-height:1}
.testi p{color:var(--text);font-style:italic;margin-bottom:16px;position:relative}
.testi .who{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:grid;place-items:center;font-weight:700}
.who small{color:var(--muted)}

/* CTA banner */
.cta-banner{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:var(--radius);padding:50px;text-align:center;margin:0 20px}
.cta-banner h2{font-size:2rem;margin-bottom:12px}
.cta-banner p{margin-bottom:22px;opacity:.95}
.cta-banner .btn-primary{background:#fff;color:var(--primary-dark)}
.cta-banner .btn-primary:hover{background:var(--accent);color:var(--text)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info .info-item{display:flex;gap:14px;margin-bottom:20px;align-items:flex-start}
.info-item .icon{width:44px;height:44px;border-radius:12px;background:#e6f7f6;color:var(--primary-dark);display:grid;place-items:center;font-size:1.2rem;flex-shrink:0}
.info-item h4{margin-bottom:2px;color:var(--primary-dark)}
.info-item p{color:var(--muted)}
form{background:#fff;padding:30px;border-radius:var(--radius);box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;margin-bottom:6px;color:var(--text)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid #d6e2e6;border-radius:10px;font-family:inherit;font-size:1rem;background:#fafdfd;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(10,166,160,.15)}
.field textarea{min-height:110px;resize:vertical}
.form-success{display:none;margin-top:14px;padding:12px;background:#e6f7f6;color:var(--primary-dark);border-radius:10px;font-weight:500}

/* Pricing */
.price-card{text-align:center}
.price{font-size:2.4rem;font-weight:800;color:var(--primary-dark);margin:10px 0}
.price small{font-size:1rem;color:var(--muted);font-weight:500}

/* Footer */
footer{background:#0d2a32;color:#cfdfe2;padding:60px 0 20px;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-grid h4{color:#fff;margin-bottom:14px;font-size:1.05rem}
.footer-grid a{color:#cfdfe2;display:block;padding:4px 0}
.footer-grid a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;text-align:center;font-size:.9rem;opacity:.7}

/* Hero variants for sub-pages */
.page-hero{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:70px 20px;text-align:center}
.page-hero h1{font-size:clamp(1.8rem,3.5vw,2.8rem);margin-bottom:10px}
.page-hero p{opacity:.95}

/* Responsive */
@media(max-width:820px){
  .nav-links{position:fixed;top:68px;right:-100%;flex-direction:column;background:#fff;width:75%;max-width:300px;height:calc(100vh - 68px);padding:30px;box-shadow:-10px 0 30px rgba(0,0,0,.08);transition:.3s;align-items:flex-start;gap:18px}
  .nav-links.open{right:0}
  .menu-toggle{display:block}
  .split,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .cta-banner{padding:36px 20px}
}