:root{
  --bg:#0a0a0f; --surface:#13131a; --surface-2:#1a1a24;
  --border:rgba(255,255,255,.08); --border-strong:rgba(255,255,255,.14);
  --text:#f4f4f6; --text-dim:#a1a1ad; --text-faint:#6b6b78;
  --accent:#6366f1; --accent-2:#8b5cf6; --accent-glow:rgba(99,102,241,.4);
  --radius:14px; --radius-lg:20px;
  --space:8px;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3);
  --shadow-lg:0 2px 8px rgba(0,0,0,.5),0 24px 64px rgba(0,0,0,.45);
  font-family:'Inter',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);
  font-size:15px;line-height:1.6;letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
.bg-grid{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),
    linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 50% at 50% 0%,#000 40%,transparent 100%);
  opacity:.5;
}
.bg-glow{
  position:fixed;top:-30%;left:50%;transform:translateX(-50%);
  width:900px;height:600px;z-index:0;pointer-events:none;
  background:radial-gradient(circle,var(--accent-glow),transparent 60%);
  filter:blur(60px);opacity:.5;
}

/* nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(10,10,15,.6);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1080px;margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;gap:32px}
.brand{font-weight:600;font-size:16px;color:var(--text);text-decoration:none;
  display:flex;align-items:center;gap:9px;letter-spacing:-.02em}
.brand-mark{color:var(--accent);font-size:18px}
.nav-links{display:flex;gap:28px;margin-left:auto}
.nav-links a{color:var(--text-dim);text-decoration:none;font-size:14px;
  font-weight:450;transition:color .15s}
.nav-links a:hover{color:var(--text)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
  color:#fff;border:none;border-radius:10px;padding:11px 20px;
  font-size:14px;font-weight:550;font-family:inherit;cursor:pointer;
  text-decoration:none;transition:transform .15s,box-shadow .15s;
  box-shadow:0 1px 0 rgba(255,255,255,.15) inset,0 6px 20px var(--accent-glow)}
.btn:hover{transform:translateY(-1px);box-shadow:0 1px 0 rgba(255,255,255,.2) inset,0 10px 30px var(--accent-glow)}
.btn-sm{padding:8px 16px;font-size:13px;
  background:var(--surface-2);border:1px solid var(--border-strong);box-shadow:none}
.btn-sm:hover{background:var(--surface);transform:none;border-color:var(--text-faint)}
.btn-ghost{background:transparent;border:1px solid var(--border-strong);box-shadow:none;color:var(--text)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-1px)}

/* layout */
main{position:relative;z-index:1;max-width:1080px;margin:0 auto;padding:0 24px}
section{padding:96px 0}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;
  font-weight:550;color:var(--accent);letter-spacing:.02em;
  background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.25);
  padding:5px 12px;border-radius:100px;margin-bottom:24px}
h1{font-size:clamp(40px,6vw,68px);font-weight:700;line-height:1.05;
  letter-spacing:-.04em;margin-bottom:22px;max-width:14ch}
h1 .grad{background:linear-gradient(120deg,var(--text),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lead{font-size:19px;color:var(--text-dim);max-width:52ch;margin-bottom:36px;line-height:1.55}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero{padding-top:120px;text-align:left}

/* feature grid */
.section-head{text-align:center;margin-bottom:56px}
.section-head h2{font-size:clamp(28px,4vw,40px);font-weight:650;
  letter-spacing:-.03em;margin-bottom:14px}
.section-head p{color:var(--text-dim);font-size:17px;max-width:46ch;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--border);border-radius:var(--radius);padding:28px;
  transition:transform .2s,border-color .2s,box-shadow .2s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;
  background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(99,102,241,.08),transparent 40%);
  opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:var(--shadow-lg)}
.card:hover::before{opacity:1}
.card-icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  background:rgba(99,102,241,.12);border:1px solid rgba(99,102,241,.25);
  font-size:20px;margin-bottom:18px}
.card h3{font-size:17px;font-weight:600;margin-bottom:8px;letter-spacing:-.02em}
.card p{color:var(--text-dim);font-size:14.5px;line-height:1.55}

/* pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch}
.price{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px 28px;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}
.price:hover{transform:translateY(-3px);border-color:var(--border-strong)}
.price.feat{border-color:var(--accent);background:linear-gradient(180deg,rgba(99,102,241,.08),var(--surface));
  box-shadow:0 0 0 1px var(--accent),0 20px 50px var(--accent-glow)}
.price-tag{font-size:13px;font-weight:550;color:var(--accent);margin-bottom:6px}
.price-name{font-size:19px;font-weight:600;margin-bottom:4px}
.price-amt{font-size:40px;font-weight:700;letter-spacing:-.03em;margin:14px 0 4px}
.price-amt small{font-size:15px;font-weight:450;color:var(--text-faint)}
.price ul{list-style:none;margin:22px 0;display:flex;flex-direction:column;gap:12px;flex:1}
.price li{font-size:14px;color:var(--text-dim);display:flex;gap:10px;align-items:flex-start}
.price li::before{content:"✓";color:var(--accent);font-weight:700;flex-shrink:0}

/* footer */
.footer{position:relative;z-index:1;max-width:1080px;margin:64px auto 0;
  padding:28px 24px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;font-size:13px;color:var(--text-faint)}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media(max-width:820px){.grid,.pricing-grid{grid-template-columns:1fr}.nav-links{display:none}}