:root{
  --bg:#f5fbfc;
  --surface:#ffffff;
  --accent-1: #007b77; /* deep teal */
  --accent-2: #00b3a8; /* bright teal */
  --muted:#6b7a7a;
  --glass: rgba(0,139,132,0.06);
  --soft-shadow: 0 8px 30px rgba(6,22,22,0.06);
  --elevated-shadow: 0 18px 40px rgba(6,22,22,0.08);
  --radius:12px;
  --focus: 3px solid rgba(0,139,132,0.16);
  --gap:22px;
  --max-width:1200px;
}

*{box-sizing:border-box}
html,body{height:100%;}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  background: linear-gradient(180deg, #f8fcfc 0%, var(--bg) 60%);
  color:#072222;
  -webkit-font-smoothing:antialiased;
  line-height:1.45;
}

.container{max-width:var(--max-width);margin:0 auto;padding:32px;}

/* Header */
header.site-header{background:linear-gradient(90deg, rgba(226, 228, 227, 0.855), rgba(211, 215, 212, 0.35));backdrop-filter: blur(4px);padding:18px 0;position:sticky;top:0;z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));display:flex;align-items:center;justify-content:center;color:white;font-weight:700;box-shadow:var(--soft-shadow)}
.brand h1{font-size:18px;margin:0}

.nav-links{display:flex;gap:16px;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;font-weight:600;padding:8px;border-radius:10px;transition:all .18s ease}
.nav-links a:hover{color:var(--accent-1);transform:translateY(-1px)}
.btn{background:linear-gradient(135deg,var(--accent-1),var(--accent-2));color:white;padding:10px 16px;border-radius:12px;border:none;font-weight:700;cursor:pointer;box-shadow:var(--elevated-shadow)}
.btn.ghost{background:transparent;color:var(--accent-1);border:1px solid rgba(0,139,132,0.12);box-shadow:none}

/* Hero */
.hero{display:grid;grid-template-columns:1fr 460px;gap:34px;align-items:center;padding:48px 0}
.hero h2{font-size:36px;margin:0 0 10px;letter-spacing:-0.02em}
.hero p{color:var(--muted);margin:0 0 18px}
.hero-cta{display:flex;gap:14px}

.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--soft-shadow);padding:20px}

/* Benefits */
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);margin-top:24px}
.benefit{display:flex;gap:14px;align-items:flex-start}
.benefit .icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(180deg, rgba(0,139,132,0.06), rgba(0,139,132,0.02));display:flex;align-items:center;justify-content:center;color:var(--accent-1);font-weight:700}
.benefit h3{margin:0;font-size:16px}
.benefit p{margin:6px 0 0;color:var(--muted);font-size:14px}

/* Product overview */
.grid-2{display:grid;grid-template-columns:1fr 420px;gap:28px;align-items:start;margin-top:28px}
.specs{display:grid;gap:12px}
.spec{display:flex;justify-content:space-between;padding:12px;border-radius:12px;background:linear-gradient(180deg, rgba(0,139,132,0.03), rgba(255,255,255,0.4));box-shadow:inset 0 1px 0 rgba(255,255,255,0.6)}

/* Footer */
footer.site-footer{margin-top:56px;padding:28px 0;border-top:1px solid rgba(9,30,30,0.04);}
.footer-grid{display:flex;justify-content:space-between;gap:20px;align-items:center}
.footer-links{display:flex;gap:12px}

/* Product page and others common elements */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.feature{padding:18px;border-radius:12px;background:linear-gradient(180deg, #ffffff, #fbffff);box-shadow:var(--soft-shadow);border:1px solid rgba(6,22,22,0.03)}

.app-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.app-card{padding:18px;border-radius:12px;background:linear-gradient(180deg, rgba(255,255,255,0.92), #fefefe);box-shadow:var(--elevated-shadow);border:1px solid rgba(6,22,22,0.03)}

.section-title{display:flex;justify-content:space-between;align-items:center}

/* Forms & booking module */
.form-row{display:flex;gap:12px}
input,select,textarea{width:100%;padding:12px;border-radius:10px;border:1px solid rgba(9,30,30,0.06);background:linear-gradient(180deg,#fff,#fbffff)}
label{font-weight:700;font-size:14px;color:#0b2f2f}

/* Testimonials */
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.testimonial{padding:18px;border-radius:12px;background:linear-gradient(180deg,#ffffff,#fbffff);box-shadow:var(--soft-shadow);border:1px solid rgba(6,22,22,0.02)}

/* Responsive */
@media (max-width:1100px){
  .hero{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .benefit-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .app-cards{grid-template-columns:repeat(2,1fr)}
  .testimonials{grid-template-columns:1fr}
}

@media (max-width:520px){
  .container{padding:18px}
  .nav-links{display:none}
  .hero h2{font-size:26px}
  .feature-grid{grid-template-columns:1fr}
  .brand h1{display:none}
}

/* Accessibility focus */
a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:none;box-shadow:var(--focus);border-radius:10px}

.muted{color:var(--muted)}