:root{
  --brand:#36aa46;
  --brand-2:#2a8638;
  --text:#f3f7f4;
  --muted:#a3b0a7;
  --bg:#0b0d0b;
  --bg-alt:#0f1a14;
  --card:rgba(18,20,18,.9);
  --border:#212821;
  --radius:18px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 18px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,13,11,.6);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:1rem}
.logo{display:flex;align-items:center;gap:.7rem;font-weight:800;color:#fff}
.logo img{height:28px;width:auto;display:block}
.menu{display:none;flex-direction:column}
.menu a{padding:14px 0;border-top:1px solid var(--border);color:#e8efe9}
.menu.open{display:flex}
.cta-desktop{display:none}
.hamburger{appearance:none;background:none;border:0;padding:.6rem;margin:-.6rem;cursor:pointer}
.hamburger span{display:block;width:26px;height:2px;background:#eaeaea;margin:6px 0;border-radius:2px;transition:.2s}

/* Buttons */
.btn{display:inline-block;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#0b0d0b;padding:1rem 1.2rem;border-radius:999px;font-weight:800;letter-spacing:.2px;box-shadow:var(--shadow);transition:.2s;line-height:1}
.btn:hover{transform:translateY(-2px)}
.btn-outline{background:transparent;color:#e9f6ee;border:1px solid var(--brand);box-shadow:var(--shadow)}

/* Hero */
.hero{position:relative;overflow:hidden;padding:72px 0;background: radial-gradient(1200px 600px at 10% 10%, rgba(54,170,70,.18), transparent 60%), radial-gradient(900px 480px at 90% -10%, rgba(42,134,56,.18), transparent 60%)}
.hero-grid{display:grid;gap:2rem}
.hero h1{font-size:clamp(2rem,4.8vw,3.4rem);margin:.3rem 0 .8rem}
.pill{display:inline-flex;gap:.5rem;align-items:center;background:rgba(255,255,255,.06); border:1px solid var(--border); color:#e7f5ec; border-radius:999px; padding:.45rem .9rem; font-weight:800; box-shadow:var(--shadow)}
.badges{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1rem}
.badge{display:inline-block;background:rgba(255,255,255,.06);border:1px solid var(--border);padding:.45rem .8rem;border-radius:999px;font-size:.95rem;color:#dfe9e3}
.hero .shot{border-radius:22px;border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden}

/* Cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem;box-shadow:var(--shadow)}
.kicker{color:#a5f1b6;font-weight:900;letter-spacing:.02em;text-transform:uppercase;font-size:.9rem}

/* Grids */
.grid{display:grid;gap:1.2rem}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}

/* Brands */
.brands{display:grid;grid-template-columns:repeat(6,1fr);gap:1rem;opacity:.9}
.brands img{filter:grayscale(100%) brightness(.9);opacity:.8;transition:.2s}
.brands img:hover{filter:none;opacity:1}

/* Steps */
.steps{counter-reset:step}
.step{display:flex;gap:1rem;align-items:flex-start}
.step .n{flex:0 0 42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#0b0d0b;font-weight:900;box-shadow:var(--shadow)}

/* Testimonials slider */
.slider{position:relative;overflow:hidden;border-radius:var(--radius);background:rgba(255,255,255,.04)}
.slide{display:none;padding:1.2rem}
.slide.active{display:block}

/* FAQ */
.faq details{border:1px solid var(--border);border-radius:14px;padding:1rem;background:rgba(255,255,255,.04);color:#e9f6ee}
.faq summary{cursor:pointer;font-weight:800}

/* Footer */
.footer{background:#050705;color:#d7e3db}
.footer a{color:#c4f0d0;text-decoration:underline}

/* Reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* Mobile sticky actions */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(10,12,10,.8);border-top:1px solid var(--border);backdrop-filter:saturate(180%) blur(6px);display:flex;gap:.6rem;justify-content:space-between;padding:.7rem .9rem}
.mobile-bar .btn{flex:1;text-align:center}

/* Calculator */
.calc{display:grid;gap:1rem}
.calc .row{display:grid;gap:.8rem}
.calc label{font-weight:700}
.calc input, .calc select{width:100%;padding:0.9rem;border-radius:12px;border:1px solid var(--border);background:#0f140f;color:#e9f6ee}
.totals{display:grid;gap:.6rem;background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:14px;padding:1rem}
.small{font-size:.9rem;color:var(--muted)}
.disclaimer{font-size:.9rem;color:#c9d7cf}

/* Responsive */
@media (min-width:768px){
  .menu{display:flex;flex-direction:row;gap:1.2rem;border:0}
  .menu a{border:0;padding:0}
  .cta-desktop{display:inline-flex}
  .hero-grid{grid-template-columns:1.1fr .9fr;align-items:center}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
  .brands{grid-template-columns:repeat(8,1fr)}
  .calc .row{grid-template-columns:repeat(3,1fr)}
  .mobile-bar{display:none}
}