*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0a0e1a;--bg2:#111827;--bg3:#1a2236;--text:#e5e7eb;--text2:#9ca3af;--accent:#06b6d4;--accent2:#0891b2;--white:#f9fafb;--mono:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;--sans:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--max:1120px}
html{scroll-behavior:smooth;font-size:16px}
body{background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--white)}

/* NAV */
nav{position:fixed;top:0;width:100%;background:rgba(10,14,26,.85);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06);z-index:100;padding:0 1.5rem}
.nav-inner{max-width:var(--max);margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:56px}
.nav-logo{font-family:var(--mono);font-weight:700;font-size:1.1rem;color:var(--white);letter-spacing:-.02em}
.nav-logo span{color:var(--accent)}
.nav-links{display:flex;gap:1.5rem;font-size:.875rem}
.nav-links a{color:var(--text2);transition:color .2s}
.nav-links a:hover{color:var(--white)}

/* SECTION BASE */
section{padding:6rem 1.5rem}
.container{max-width:var(--max);margin:0 auto}
.section-label{font-family:var(--mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);margin-bottom:.75rem}
.section-title{font-size:2rem;font-weight:700;color:var(--white);margin-bottom:1rem;letter-spacing:-.03em}
.section-sub{color:var(--text2);max-width:640px;font-size:1.05rem;line-height:1.7}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:56px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-40%;left:-20%;width:80%;height:80%;background:radial-gradient(ellipse,rgba(6,182,212,.08),transparent 70%);pointer-events:none}
.hero h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:800;color:var(--white);letter-spacing:-.04em;line-height:1.1;margin-bottom:1.25rem}
.hero h1 span{color:var(--accent)}
.hero p{font-size:1.15rem;color:var(--text2);max-width:560px;line-height:1.7;margin-bottom:2rem}
.btn-row{display:flex;gap:1rem;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.5rem;border-radius:6px;font-size:.9rem;font-weight:600;transition:all .2s;border:none;cursor:pointer}
.btn-primary{background:var(--accent);color:var(--bg)}
.btn-primary:hover{background:var(--white);color:var(--bg)}
.btn-outline{background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.15)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

/* PROBLEM */
.problems{background:var(--bg2)}
.problem-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:2.5rem}
.problem-card{background:var(--bg);border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:2rem}
.problem-card h3{font-size:1.1rem;color:var(--white);margin-bottom:.5rem;font-weight:700}
.problem-card p{color:var(--text2);font-size:.95rem;line-height:1.65}
.problem-card .mono-label{font-family:var(--mono);font-size:.75rem;color:var(--accent);margin-bottom:.75rem;display:block}

/* TRUST CURVE */
.trust-curve .levels{display:flex;gap:0;margin-top:3rem;position:relative}
.trust-curve .levels::before{content:'';position:absolute;top:50%;left:0;right:0;height:2px;background:linear-gradient(90deg,rgba(6,182,212,.15),var(--accent));z-index:0}
.level{flex:1;text-align:center;position:relative;z-index:1}
.level-dot{width:40px;height:40px;border-radius:50%;background:var(--bg2);border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;margin:0 auto .75rem;font-family:var(--mono);font-size:.75rem;font-weight:700;color:var(--accent);transition:all .3s}
.level:hover .level-dot{background:var(--accent);color:var(--bg)}
.level h4{font-family:var(--mono);font-size:.85rem;color:var(--white);margin-bottom:.35rem}
.level p{font-size:.8rem;color:var(--text2);line-height:1.5;padding:0 .25rem}

/* API FLOW */
.flow-steps{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;margin-top:2.5rem;justify-content:center}
.flow-step{background:var(--bg2);border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:.75rem 1.25rem;font-family:var(--mono);font-size:.85rem;color:var(--accent);white-space:nowrap}
.flow-arrow{color:var(--text2);font-size:1.2rem}
.flow-desc{margin-top:2rem;text-align:center;color:var(--text2);font-size:.95rem}

/* MODULES */
.modules{background:var(--bg2)}
.module-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.25rem;margin-top:2.5rem}
.module{background:var(--bg);border:1px solid rgba(255,255,255,.06);border-radius:8px;padding:1.5rem;display:flex;gap:1rem;align-items:flex-start}
.module-icon{width:36px;height:36px;border-radius:6px;background:rgba(6,182,212,.1);border:1px solid rgba(6,182,212,.2);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:var(--mono);font-size:.75rem;color:var(--accent);font-weight:700}
.module h4{font-size:.95rem;color:var(--white);margin-bottom:.25rem}
.module p{font-size:.85rem;color:var(--text2);line-height:1.55}
.module-footer{margin-top:2.5rem;text-align:center;font-family:var(--mono);font-size:.85rem;color:var(--text2)}
.module-footer span{color:var(--accent)}

/* PRICING */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:2.5rem}
.price-card{background:var(--bg2);border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:2rem;display:flex;flex-direction:column}
.price-card.featured{border-color:var(--accent);position:relative}
.price-card.featured::before{content:'Popular';position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--bg);font-size:.7rem;font-weight:700;padding:.2rem .75rem;border-radius:4px;text-transform:uppercase;letter-spacing:.05em}
.price-name{font-size:1rem;font-weight:700;color:var(--white);margin-bottom:.5rem}
.price-amount{font-size:2.25rem;font-weight:800;color:var(--white);letter-spacing:-.03em}
.price-amount span{font-size:.9rem;font-weight:400;color:var(--text2)}
.price-desc{font-size:.85rem;color:var(--text2);margin:.75rem 0 1.5rem;line-height:1.6;flex:1}
.price-features{list-style:none;margin-bottom:1.5rem}
.price-features li{font-size:.85rem;color:var(--text2);padding:.35rem 0;padding-left:1.25rem;position:relative}
.price-features li::before{content:'+';position:absolute;left:0;color:var(--accent);font-family:var(--mono);font-weight:700}

/* FINAL CTA */
.final-cta{text-align:center;background:var(--bg2);border-top:1px solid rgba(6,182,212,.15)}
.final-cta h2{font-size:2rem;font-weight:800;color:var(--white);margin-bottom:.75rem}
.final-cta p{color:var(--text2);max-width:520px;margin:0 auto 2rem;font-size:1.05rem}
.email-row{display:flex;gap:.75rem;max-width:420px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.email-row input{flex:1;min-width:200px;padding:.7rem 1rem;border-radius:6px;border:1px solid rgba(255,255,255,.12);background:var(--bg);color:var(--white);font-size:.9rem;outline:none}
.email-row input:focus{border-color:var(--accent)}

/* FOOTER */
footer{padding:2rem 1.5rem;text-align:center;font-size:.8rem;color:var(--text2);border-top:1px solid rgba(255,255,255,.04)}

/* RESPONSIVE */
@media(max-width:768px){
  section{padding:4rem 1.25rem}
  .nav-links{display:none}
  .hero h1{font-size:2rem}
  .trust-curve .levels{flex-direction:column;gap:1.5rem}
  .trust-curve .levels::before{display:none}
  .flow-steps{flex-direction:column}
  .flow-arrow{transform:rotate(90deg)}
}

/* ANIMATIONS */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}