:root{
  --red:#D7263D; --green:#1B998B; --blue:#2E86DE; --yellow:#F4B400;
  --bg:#FAFAF7; --surface:#FFFFFF; --text:#16181D; --muted:#5B6270; --line:#E4E5E0;
  --radius:14px; --max:1120px;
  --font:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  --display:'Unbounded','Manrope',system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#111317; --surface:#1A1D23; --text:#F1F2F4; --muted:#A3A9B5; --line:#2A2E36;
}}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:16px/1.6 var(--font)}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
section{padding:72px 0;border-top:1px solid var(--line)}
h1,h2,h3{font-family:var(--display);line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(32px,6vw,60px);font-weight:700}
h2{font-size:clamp(24px,4vw,36px);margin-bottom:12px}
h3{font-size:19px;margin-bottom:8px}
.lead{color:var(--muted);font-size:18px;max-width:640px}
.eyebrow{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:12px}

/* header */
header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-weight:700;font-size:20px}
.logo-mark{display:flex;gap:3px}
.logo-mark i{width:8px;height:22px;border-radius:4px}
.logo-mark i:nth-child(1){background:var(--red)}.logo-mark i:nth-child(2){background:var(--green)}.logo-mark i:nth-child(3){background:var(--blue)}
.nav-links{display:flex;gap:22px;font-size:15px}
.nav-links a{text-decoration:none;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.burger{display:none;background:none;border:0;font-size:26px;color:var(--text);cursor:pointer}
@media(max-width:860px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--bg);padding:16px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .burger{display:block}
  .nav .btn{display:none}
}

/* buttons */
.btn{display:inline-block;padding:13px 22px;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;transition:transform .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--text);color:var(--bg)}
.btn-ghost{border-color:var(--text)}
.btn-red{background:var(--red);color:#fff}
.btn-green{background:var(--green);color:#fff}
.btn-blue{background:var(--blue);color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* hero */
.hero{padding:88px 0 72px;border-top:0}
.hero h1 span{background:linear-gradient(90deg,var(--red),var(--green),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.stripe{display:flex;height:6px;margin-top:56px;border-radius:3px;overflow:hidden}
.stripe i{flex:1}.stripe i:nth-child(1){background:var(--red)}.stripe i:nth-child(2){background:var(--green)}.stripe i:nth-child(3){background:var(--blue)}.stripe i:nth-child(4){background:var(--yellow);flex:.3}

/* grids & cards */
.grid{display:grid;gap:18px;margin-top:32px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.g3,.g2{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column}
.card p{color:var(--muted)}
.card ul{margin:14px 0 22px 18px;color:var(--muted)}
.card .btn{margin-top:auto;align-self:flex-start}
.role{border-top:6px solid}
.role.r{border-top-color:var(--red)}.role.g{border-top-color:var(--green)}.role.b{border-top-color:var(--blue)}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--line);margin-bottom:12px;align-self:flex-start}
.price{font-family:var(--display);font-size:28px;margin:6px 0 4px}
.price small{font-size:14px;color:var(--muted);font-family:var(--font)}
.featured{outline:3px solid var(--yellow)}

/* steps */
.steps{counter-reset:s;display:grid;gap:14px;margin-top:28px;grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.steps{grid-template-columns:1fr}}
.step{padding:20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.step::before{counter-increment:s;content:counter(s);font-family:var(--display);font-size:32px;font-weight:700;color:var(--green);display:block;margin-bottom:6px}

/* referral list */
.ref{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.ref p{color:var(--muted);font-size:14px}
.note{font-size:13px;color:var(--muted);margin-top:14px}

/* cta */
.cta{background:var(--text);color:var(--bg);border-radius:20px;padding:48px 28px;text-align:center}
.cta .lead{color:inherit;opacity:.75;margin:12px auto 0}
.cta .btns{justify-content:center}
.cta .btn-ghost{border-color:var(--bg)}

/* footer */
footer{padding:40px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
.foot a{color:var(--muted)}
.socials{display:flex;gap:14px;flex-wrap:wrap}

/* article */
.article{max-width:720px;margin:0 auto;padding:56px 16px}
.article h1{font-size:clamp(28px,5vw,42px);margin-bottom:12px}
.article p,.article li{margin:14px 0}
.article ul{padding-left:20px}
.todo{background:color-mix(in srgb,var(--yellow) 25%,transparent);padding:2px 6px;border-radius:4px}