/* ZeroDownSites — dark deal-energy theme */
:root{
  --bg:#0a0e13; --bg2:#10161e; --card:#141c26; --line:rgba(255,255,255,.09);
  --green:#00e676; --green-d:#00b35c; --ink:#f2f6f3; --dim:#9aa7b4;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
a{color:var(--green)}
img,svg{max-width:100%}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,14,19,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.mark{width:34px;height:34px}
.links{display:flex;align-items:center;gap:26px}
.links a{color:var(--dim);text-decoration:none;font-weight:600;font-size:.95rem}
.links a:hover{color:var(--ink)}
.burger{display:none;background:none;border:0;color:var(--ink);font-size:1.6rem;cursor:pointer}

/* buttons */
.btn{display:inline-block;background:var(--green);color:#06281a;font-weight:800;text-decoration:none;padding:14px 28px;border-radius:10px;border:0;cursor:pointer;font-size:1.02rem;transition:transform .12s,background .12s}
.btn:hover{background:#2bff8f;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--green);color:var(--green)}
.btn-sm{padding:10px 18px;font-size:.92rem}
.btn.big{width:100%;padding:16px;font-size:1.1rem}

/* hero */
.hero{padding:96px 0 80px;background:radial-gradient(900px 420px at 50% -80px,rgba(0,230,118,.14),transparent 70%)}
.hero-in{text-align:center}
.eyebrow{display:inline-block;color:var(--green);font-weight:800;letter-spacing:.14em;font-size:.8rem;border:1px solid rgba(0,230,118,.4);border-radius:999px;padding:8px 18px;margin-bottom:22px}
h1{font-size:clamp(2.4rem,6vw,4.2rem);line-height:1.08;letter-spacing:-.02em;font-weight:800}
.green{color:var(--green)}
.lede{max-width:640px;margin:20px auto 0;font-size:1.18rem;color:var(--dim)}
.lede strong{color:var(--ink)}
.cta-row{display:flex;gap:14px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.micro{list-style:none;display:flex;gap:22px;justify-content:center;margin-top:28px;flex-wrap:wrap;color:var(--dim);font-size:.92rem}
.micro li::before{content:"✓ ";color:var(--green);font-weight:800}

/* sections */
.sec{padding:72px 0}
.sec.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kicker{color:var(--green);font-weight:800;letter-spacing:.12em;font-size:.8rem;text-transform:uppercase;margin-bottom:10px}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem);letter-spacing:-.015em;line-height:1.2;margin-bottom:8px}
.center{text-align:center}
.dim{color:var(--dim)}

/* steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px;counter-reset:step}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}
.steps .n{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--green);color:#06281a;font-weight:800;font-size:1.2rem;margin-bottom:14px}
.steps h3{margin-bottom:8px;font-size:1.15rem}
.steps p{color:var(--dim);font-size:.96rem}

/* cards / grids */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px}
.card h3{margin-bottom:14px;font-size:1.25rem}
.ticks{list-style:none}
.ticks li{padding:9px 0 9px 30px;position:relative;color:var(--dim)}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800}

/* tiers */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.tier{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;position:relative}
.tier.hot{border-color:var(--green)}
.tier .flag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--green);color:#06281a;font-size:.75rem;font-weight:800;padding:3px 14px;border-radius:999px;letter-spacing:.06em}
.tier h3{font-size:1.1rem}
.tier .p{margin:8px 0 10px;color:var(--dim)}
.tier .p span{font-size:2rem;font-weight:800;color:var(--ink)}
.tier p:last-child{color:var(--dim);font-size:.95rem}

/* faq */
.narrow{max-width:720px}
.faq{margin-top:26px}
.faq .item{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--card);overflow:hidden}
.faq .q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;background:none;border:0;color:var(--ink);font-size:1.02rem;font-weight:700;padding:18px 20px;cursor:pointer;text-align:left}
.faq .pm{color:var(--green);font-size:1.4rem;font-weight:400;flex-shrink:0;transition:transform .2s}
.faq .item.open .pm{transform:rotate(45deg)}
.faq .a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq .item.open .a{max-height:300px}
.faq .a p{padding:0 20px 20px;color:var(--dim)}

/* lead form */
.lead-sec{background:radial-gradient(700px 320px at 50% 0,rgba(0,230,118,.1),transparent 70%)}
.form{margin-top:26px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px}
.form label{display:block;font-weight:600;font-size:.92rem;margin-bottom:14px}
.form input,.form select{width:100%;margin-top:6px;padding:13px 14px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:1rem;font-family:inherit}
.form input:focus,.form select:focus{outline:2px solid var(--green);border-color:var(--green)}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .hint{color:var(--dim);font-size:.88rem;margin:-6px 0 14px}
.form .hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.status{margin-top:14px;font-weight:600;min-height:1.5em}
.status.ok{color:var(--green)}
.status.err{color:#ff6b6b}

/* footer */
footer{border-top:1px solid var(--line);padding:36px 0}
.foot{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.fbrand{font-weight:800;font-size:1.05rem}

/* responsive */
@media(max-width:860px){
  .steps,.grid2,.tiers{grid-template-columns:1fr}
  .hero{padding:64px 0 56px}
}
@media(max-width:640px){
  .links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--bg2);flex-direction:column;align-items:stretch;padding:12px 24px 20px;gap:4px;border-bottom:1px solid var(--line)}
  .links.open{display:flex}
  .links a{padding:11px 0;border-top:1px solid var(--line)}
  .links .btn{margin-top:10px;text-align:center}
  .burger{display:block}
  .sec{padding:52px 0}
  .form{padding:22px 18px}
  .form .row2{grid-template-columns:1fr}
  .cta-row .btn{width:100%;text-align:center}
}