:root{
  --bg:#06080d;
  --bg-2:#0a0e16;
  --card:#0f1420;
  --card-2:#121829;
  --ink:#eaf1fb;
  --muted:#8b97ad;
  --blue:#00d4ff;
  --blue-2:#2f7bff;
  --blue-d:#0a6cff;
  --line:rgba(120,170,255,.12);
  --line-2:rgba(120,170,255,.22);
  --radius:18px;
  --maxw:1120px;
  --glow:0 0 40px rgba(0,170,255,.25);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:
    radial-gradient(1100px 700px at 80% -10%, rgba(0,90,255,.10), transparent 60%),
    radial-gradient(900px 600px at 0% 10%, rgba(0,210,255,.07), transparent 55%),
    var(--bg);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* particle canvas behind everything */
#particles{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.8}
.nav,main,.footer{position:relative;z-index:1}

h1,h2,h3,.wordmark{font-family:'Space Grotesk','Inter',sans-serif;letter-spacing:-.02em;line-height:1.08}
section{padding:84px 22px}
.eyebrow{
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  font-weight:600;color:var(--blue);margin-bottom:14px;
}
.hl{color:var(--blue);position:relative;white-space:nowrap;text-shadow:0 0 26px rgba(0,200,255,.45)}
strong{font-weight:600;color:var(--ink)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-weight:600;font-size:.98rem;text-decoration:none;
  padding:13px 22px;border-radius:999px;cursor:pointer;
  transition:transform .15s ease,box-shadow .2s ease,background .2s ease,filter .2s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn--wa{background:linear-gradient(135deg,#39e0ff,#1e6bff);color:#04121f;
  box-shadow:0 12px 34px -10px rgba(0,150,255,.6)}
.btn--wa:hover{filter:brightness(1.08)}
.btn--ghost{background:rgba(255,255,255,.02);color:var(--ink);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn--lg{padding:16px 30px;font-size:1.05rem}

/* nav */
.nav{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;background:rgba(6,8,13,.72);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.wordmark{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-weight:700;font-size:1.4rem}
.wordmark__mark{flex:none;filter:drop-shadow(0 0 8px rgba(0,180,255,.5))}
.wordmark__name{background:linear-gradient(90deg,#7fe9ff,#3f8bff);-webkit-background-clip:text;background-clip:text;color:transparent}
.wordmark__sub{font-size:.74rem;font-weight:500;color:var(--muted);letter-spacing:.04em;align-self:flex-end;margin-bottom:3px}
.nav__cta{padding:10px 18px;font-size:.9rem}

/* hero */
.hero{max-width:var(--maxw);margin:0 auto;text-align:center;padding-top:54px;padding-bottom:64px}
.hero__logo{margin:0 auto 26px;width:min(150px,38vw)}
.hero__logo svg{width:100%;height:auto;display:block;filter:drop-shadow(0 0 30px rgba(0,180,255,.35))}
.hero__title{font-size:clamp(2.1rem,6vw,4rem);font-weight:700;max-width:15ch;margin:0 auto 22px}
.hero__lede{font-size:clamp(1.05rem,2.3vw,1.3rem);color:var(--muted);max-width:48ch;margin:0 auto 30px}
.hero__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
.hero__tag{display:inline-block;font-family:'Space Grotesk',sans-serif;font-weight:600;
  font-size:.92rem;color:var(--muted);border:1px solid var(--line-2);
  padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.02)}
.hero__tag span{color:var(--blue)}

/* fronts */
.fronts{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:22px;padding-top:20px}
.front{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px;
  transition:border-color .2s ease,transform .2s ease}
.front:hover{border-color:var(--line-2);transform:translateY(-3px)}
.front__icon{font-size:1.9rem;display:block;margin-bottom:14px}
.front h2{font-size:1.5rem;margin-bottom:12px}
.front p{color:var(--muted)}

/* section heads */
.section-head{max-width:var(--maxw);margin:0 auto 42px;text-align:center}
.section-title{font-size:clamp(1.7rem,4vw,2.5rem);font-weight:700;margin-bottom:12px}
.section-sub{color:var(--muted);max-width:48ch;margin:0 auto;font-size:1.05rem}

/* examples cards */
.examples{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cards{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);border-color:var(--blue)}
.card__media{height:170px;position:relative;display:flex;align-items:flex-end;padding:14px}
.card__media::after{content:attr(data-label);font-family:'Space Grotesk',sans-serif;font-size:.72rem;
  letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:#fff;
  background:rgba(0,0,0,.4);padding:5px 11px;border-radius:999px;backdrop-filter:blur(4px)}
.card--prod .card__media{background:linear-gradient(135deg,#0c63b8,#04203c)}
.card--machine .card__media{background:linear-gradient(135deg,#00b6d4,#063043)}
.card--demo .card__media{background:linear-gradient(135deg,#2f7bff,#0a1f4d)}
.card__body{padding:22px}
.card__body h3{font-size:1.18rem;margin-bottom:8px}
.card__body p{color:var(--muted);font-size:.95rem}

/* levels / ladder */
.ladder{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.level{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:relative}
.level--anchor{background:linear-gradient(180deg,var(--card-2),var(--card));border:1.5px solid var(--blue);
  box-shadow:var(--glow);transform:translateY(-10px)}
.level__n{font-family:'Space Grotesk',sans-serif;font-size:2.2rem;font-weight:700;color:rgba(120,170,255,.22)}
.level--anchor .level__n{color:var(--blue)}
.level h3{font-size:1.28rem;margin:8px 0 12px}
.level p{color:var(--muted);font-size:.97rem;margin-bottom:10px}
.level__win{color:var(--blue)!important;font-weight:600}
.level__badge{position:absolute;top:18px;right:18px;background:linear-gradient(135deg,#39e0ff,#1e6bff);color:#04121f;
  font-family:'Space Grotesk',sans-serif;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  font-weight:700;padding:5px 11px;border-radius:999px}

/* how */
.how{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:50px}
.how h2{font-size:1.6rem;margin-bottom:14px}
.how p{color:var(--muted)}

/* cta */
.cta{max-width:760px;margin:0 auto;text-align:center;
  background:linear-gradient(135deg,rgba(0,150,255,.16),rgba(0,210,255,.08));
  border:1px solid var(--line-2);box-shadow:var(--glow);
  border-radius:28px;padding:60px 30px}
.cta h2{font-size:clamp(1.6rem,4vw,2.3rem);margin-bottom:12px}
.cta p{color:var(--muted);margin-bottom:28px;font-size:1.08rem}

/* footer */
.footer{max-width:var(--maxw);margin:0 auto;padding:40px 22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;color:var(--muted)}
.footer .wordmark__name{font-size:1.1rem}
.footer__line{font-family:'Space Grotesk',sans-serif;font-weight:600;color:var(--ink)}
.footer__meta{font-size:.88rem}
.wordmark--sm{font-size:1.1rem;gap:6px}

/* floating WhatsApp (mobile) */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:50;width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,#39e0ff,#1e6bff);color:#04121f;display:none;align-items:center;justify-content:center;
  box-shadow:0 12px 30px -8px rgba(0,150,255,.7)}

/* responsive */
@media(max-width:820px){
  section{padding:60px 18px}
  .fronts,.cards,.ladder,.how{grid-template-columns:1fr}
  .level--anchor{transform:none}
  .nav__cta{display:none}
  .wa-float{display:flex}
  .footer{justify-content:center;text-align:center}
}