:root{
  --bg:#0a0a12;
  --bg-2:#0f1020;
  --surface:#15162a;
  --surface-2:#1b1d36;
  --text:#eef0ff;
  --muted:#a6a9c8;
  --line:rgba(255,255,255,.08);
  --brand:#7c5cff;
  --brand-2:#21d4fd;
  --accent:#ff5c8a;
  --grad:linear-gradient(120deg,#7c5cff 0%,#21d4fd 100%);
  --radius:18px;
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.55;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-2);margin-bottom:14px}
h1,h2,h3,h4{margin:0;line-height:1.1;letter-spacing:-.02em}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,10,18,.7);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--grad);box-shadow:0 0 18px rgba(124,92,255,.6);display:inline-flex;align-items:center;justify-content:center;color:#0a0a12}
.brand-mark svg{width:18px;height:18px}
.brand-name .lum{color:var(--brand-2)}
.nav-links{display:flex;gap:28px;font-weight:500;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.nav-cta{display:flex;gap:10px;align-items:center}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:12px;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:transform .12s ease,box-shadow .2s ease,background .2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--grad);color:#0a0a12;box-shadow:0 8px 26px rgba(124,92,255,.35)}
.btn-primary:hover{box-shadow:0 12px 34px rgba(124,92,255,.5)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-lg{padding:14px 24px;font-size:1.02rem}
.btn-block{width:100%}

/* HERO */
.hero{position:relative;overflow:hidden;padding:84px 0 40px}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(700px 400px at 75% -5%,rgba(33,212,253,.18),transparent 60%),
  radial-gradient(700px 500px at 10% 10%,rgba(124,92,255,.22),transparent 55%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(2.4rem,5vw,3.8rem);font-weight:900}
.lead{color:var(--muted);font-size:1.15rem;max-width:540px;margin:20px 0 28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;color:var(--muted);font-size:.92rem;font-weight:500}

/* HERO ART */
.hero-art{position:relative;display:flex;justify-content:center}
.phone{position:relative;width:270px;height:540px;border-radius:42px;background:linear-gradient(180deg,#1b1d36,#101127);border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.55),inset 0 0 0 6px #07070f;padding:26px 16px}
.phone-notch{position:absolute;top:14px;left:50%;transform:translateX(-50%);width:120px;height:22px;border-radius:0 0 14px 14px;background:#07070f}
.msg-thread{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.bubble{max-width:80%;padding:11px 14px;border-radius:16px;font-size:.9rem;line-height:1.35}
.bubble.in{align-self:flex-start;background:var(--surface-2);border-bottom-left-radius:5px}
.bubble.out{align-self:flex-end;background:var(--grad);color:#0a0a12;font-weight:700;border-bottom-right-radius:5px}
.typing{align-self:flex-start;display:flex;gap:5px;background:var(--surface-2);padding:13px 16px;border-radius:16px}
.typing span{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.4s infinite both}
.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.stat-chip{position:absolute;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 16px;display:flex;flex-direction:column;box-shadow:0 12px 30px rgba(0,0,0,.4)}
.stat-chip strong{font-size:1.25rem}
.stat-chip span{color:var(--muted);font-size:.78rem}
.chip-1{top:60px;left:-8px}
.chip-2{bottom:70px;right:-12px}
.logo-row{margin-top:52px;text-align:center;color:var(--muted);font-size:.9rem;border-top:1px solid var(--line);padding-top:26px}

/* STATS */
.stats{padding:44px 0;border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats-grid strong{display:block;font-size:2.2rem;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats-grid span{color:var(--muted);font-size:.92rem}

/* SECTIONS */
.section{padding:88px 0}
.section-alt{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.section-head{text-align:center;max-width:640px;margin:0 auto 52px}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:800}
.section-head p{color:var(--muted);margin-top:14px;font-size:1.05rem}

/* FEATURES */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .15s ease,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:rgba(124,92,255,.45)}
.card .ico{font-size:1.7rem;margin-bottom:12px}
.card h3{font-size:1.18rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.96rem;margin:0}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;background:var(--grad);color:#0a0a12;font-weight:900;margin-bottom:14px}
.step h3{font-size:1.1rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.94rem;margin:0}

/* PRICING */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;position:relative}
.price-card.featured{border-color:var(--brand);box-shadow:0 18px 50px rgba(124,92,255,.28);transform:scale(1.03)}
.badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#0a0a12;font-size:.72rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.price-card h3{font-size:1.2rem}
.price{margin:14px 0 4px;display:flex;align-items:baseline;gap:4px}
.price .amt{font-size:2.5rem;font-weight:900}
.price .per{color:var(--muted);font-weight:600}
.price-sub{color:var(--muted);font-size:.92rem;margin:0 0 18px}
.price-card ul{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:11px;flex:1}
.price-card li{color:var(--text);font-size:.95rem}

/* CTA */
.cta{padding:80px 0}
.cta-inner{background:var(--grad);border-radius:28px;padding:60px 40px;text-align:center;color:#0a0a12;position:relative;overflow:hidden}
.cta-inner h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:900}
.cta-inner p{font-size:1.1rem;margin:14px 0 28px;opacity:.85}
.cta-inner .hero-actions{justify-content:center}
.cta-inner .btn-ghost{background:rgba(10,10,18,.16);border-color:rgba(10,10,18,.2);color:#0a0a12}
.cta-inner .btn-primary{background:#0a0a12;color:#fff}

/* FAQ */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:4px 20px}
.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";color:var(--brand-2);font-size:1.4rem;font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);margin:0 0 16px;font-size:.96rem}

/* FOOTER */
.footer{border-top:1px solid var(--line);padding:56px 0 30px;background:var(--bg-2)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
.footer-brand p{color:var(--muted);margin-top:14px;max-width:280px;font-size:.95rem}
.footer-col h4{font-size:.95rem;margin-bottom:14px}
.footer-col a{display:block;color:var(--muted);font-size:.92rem;padding:5px 0}
.footer-col a:hover{color:var(--text)}
.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:40px;padding-top:22px;color:var(--muted);font-size:.86rem;flex-wrap:wrap;gap:10px}

/* RESPONSIVE */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-art{order:-1}
  .nav-links{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .feature-grid,.steps,.price-grid{grid-template-columns:1fr}
  .price-card.featured{transform:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .nav-cta .btn-ghost{display:none}
  .footer-grid{grid-template-columns:1fr}
}