*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0B1220;
  --bg-soft:#0F1A2E;
  --bg-card:#101a30;
  --line:rgba(255,255,255,.08);
  --text:#E6EEF7;
  --muted:#8A9AB3;
  --accent:#0FB9B1;
  --accent-2:#3DD9D2;
  --accent-soft:rgba(15,185,177,.12);
  --warn:#F2C94C;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 30px 80px -20px rgba(0,0,0,.6);
  --maxw:1180px;
}

html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16px;
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4{font-family:'Manrope','Inter',sans-serif;line-height:1.15;letter-spacing:-.01em}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* NAV */
nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;
  background:rgba(11,18,32,.7);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s, background .25s;
}
nav.scrolled{border-bottom-color:var(--line);background:rgba(11,18,32,.88)}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:30px;height:30px;flex-shrink:0}
.logo-text{font-family:'Manrope',sans-serif;font-weight:800;font-size:22px;letter-spacing:-.02em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:8px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .2s, background .2s;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-cta{
  background:var(--accent);color:#03171a;padding:10px 18px;border-radius:10px;
  font-weight:700;font-size:14px;transition:transform .15s,background .15s,box-shadow .2s;
  box-shadow:0 8px 28px -10px rgba(15,185,177,.6);
}
.nav-cta:hover{background:var(--accent-2);transform:translateY(-1px)}
.hamburger{display:none}

/* HERO */
#hero{
  position:relative;
  padding:140px 24px 90px;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55}
.orb-1{width:520px;height:520px;background:radial-gradient(circle,rgba(15,185,177,.45),transparent 60%);top:-160px;left:-180px}
.orb-2{width:620px;height:620px;background:radial-gradient(circle,rgba(61,217,210,.25),transparent 60%);bottom:-220px;right:-220px}
.grid-overlay{
  position:absolute;inset:0;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);
}

.hero-inner{
  position:relative;z-index:2;
  max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  border-radius:999px;font-size:13px;color:var(--muted);
  width:fit-content;
}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
h1{
  font-size:clamp(40px,6vw,68px);
  font-weight:800;
  margin:18px 0 18px;
}
.accent{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{
  color:#C2CCDB;font-size:clamp(16px,1.4vw,18px);
  max-width:560px;
}
.lead b{color:var(--text)}
.hero-cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 22px;border-radius:12px;font-weight:600;font-size:15px;
  transition:transform .15s,background .15s,border-color .2s,box-shadow .2s;
  border:1px solid transparent;
}
.btn-primary{background:var(--accent);color:#03171a;box-shadow:0 14px 36px -16px rgba(15,185,177,.7)}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
.btn-lg{padding:16px 26px;font-size:16px}
.hero-meta{
  list-style:none;display:flex;gap:30px;margin-top:36px;flex-wrap:wrap;
}
.hero-meta li{display:flex;flex-direction:column;gap:2px}
.hero-meta strong{font-family:'Manrope',sans-serif;font-size:24px;color:var(--text)}
.hero-meta span{color:var(--muted);font-size:13px}

/* HERO CARD */
.hero-card{
  position:relative;z-index:2;
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:18px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(8px);
}
.card-head{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:14px}
.bars{display:flex;gap:6px}
.bars span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.12)}
.bars span:first-child{background:#ff5f56}
.bars span:nth-child(2){background:#ffbd2e}
.bars span:nth-child(3){background:#27c93f}
.card-title{font-size:13px;color:var(--muted)}
.dialog{display:flex;flex-direction:column;gap:10px}
.msg{padding:12px 14px;border-radius:12px;font-size:14px;line-height:1.55;max-width:88%}
.msg .who{display:block;font-size:11px;letter-spacing:.5px;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.msg.agent{background:var(--accent-soft);border:1px solid rgba(15,185,177,.25);align-self:flex-start}
.msg.caller{background:rgba(255,255,255,.04);border:1px solid var(--line);align-self:flex-end}
.msg.typing .dots{display:inline-flex;gap:3px;vertical-align:middle;margin-right:6px}
.msg.typing .dots span{width:5px;height:5px;border-radius:50%;background:var(--accent);animation:dot 1s infinite ease-in-out}
.msg.typing .dots span:nth-child(2){animation-delay:.15s}
.msg.typing .dots span:nth-child(3){animation-delay:.3s}
@keyframes dot{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.card-foot{
  display:flex;align-items:center;gap:10px;
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.status-dot{width:8px;height:8px;border-radius:50%;background:#27c93f;box-shadow:0 0 0 4px rgba(39,201,63,.18)}

/* TRUST */
#trust{padding:56px 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#0a1124}
.kicker{
  text-align:center;color:var(--muted);font-size:12px;
  letter-spacing:2px;text-transform:uppercase;margin-bottom:24px;
}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  text-align:center;color:#cfd8e6;font-size:14px;
}
.trust-grid b{color:var(--accent);font-weight:700;margin-right:6px}

/* SECTIONS */
section{padding:100px 24px}
.section-title{
  font-size:clamp(30px,4vw,46px);font-weight:800;text-align:center;
  margin-bottom:14px;
}
.section-sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 56px}

/* FEATURES */
.features-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.feature{
  background:var(--bg-card);border:1px solid var(--line);
  padding:28px;border-radius:var(--radius);
  transition:transform .25s, border-color .25s, background .25s;
}
.feature:hover{transform:translateY(-3px);border-color:rgba(15,185,177,.35);background:#11203b}
.feature .ico{
  width:46px;height:46px;display:flex;align-items:center;justify-content:center;
  border-radius:12px;background:var(--accent-soft);color:var(--accent);margin-bottom:18px;
}
.feature .ico svg{width:22px;height:22px}
.feature h3{font-size:19px;margin-bottom:8px}
.feature p{color:var(--muted);font-size:15px;line-height:1.6}

/* HOW */
#how{background:#0a1124;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{
  position:relative;padding:34px 28px;
  background:linear-gradient(180deg,rgba(255,255,255,.03),transparent);
  border:1px solid var(--line);border-radius:var(--radius);
}
.step-num{
  font-family:'Manrope',sans-serif;font-weight:800;font-size:48px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:10px;line-height:1;
}
.step h3{font-size:22px;margin-bottom:8px}
.step p{color:var(--muted)}

/* PRICING */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{
  position:relative;background:var(--bg-card);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;display:flex;flex-direction:column;
}
.plan-featured{
  border-color:rgba(15,185,177,.55);
  background:linear-gradient(180deg,rgba(15,185,177,.07),rgba(15,185,177,.02));
  transform:scale(1.02);
}
.plan-tag{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#03171a;font-size:11px;font-weight:700;
  letter-spacing:1.5px;text-transform:uppercase;padding:6px 12px;border-radius:999px;
}
.plan-head h3{font-size:22px;margin-bottom:6px}
.plan-head p{color:var(--muted);font-size:14px;margin-bottom:24px}
.price{display:flex;align-items:baseline;gap:6px;margin-bottom:26px}
.price .num{font-family:'Manrope',sans-serif;font-size:46px;font-weight:800}
.price .per{color:var(--muted);font-size:14px}
.plan-features{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:26px;flex:1}
.plan-features li{
  position:relative;padding-left:26px;color:#cfd8e6;font-size:14.5px;
}
.plan-features li::before{
  content:"";position:absolute;left:0;top:7px;
  width:14px;height:14px;border-radius:50%;
  background:var(--accent-soft);
  box-shadow:inset 0 0 0 1.5px var(--accent);
}
.plan-features li::after{
  content:"";position:absolute;left:4px;top:11px;
  width:6px;height:3px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
}
.plan-cta{justify-content:center;width:100%}
.pricing-foot{text-align:center;margin-top:32px;color:var(--muted);font-size:13.5px}

/* FAQ */
#faq{background:#0a1124;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-list{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-list details{
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:12px;padding:18px 22px;transition:border-color .2s, background .2s;
}
.faq-list details[open]{border-color:rgba(15,185,177,.35);background:#11203b}
.faq-list summary{
  cursor:pointer;font-weight:600;font-size:16px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"+";font-size:22px;color:var(--accent);transition:transform .2s;
}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list p{margin-top:12px;color:var(--muted);font-size:15px}

/* CTA / CONTACT */
#contact{padding-top:60px;padding-bottom:80px}
.cta-card{
  background:
    radial-gradient(ellipse at top right,rgba(15,185,177,.20),transparent 60%),
    var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:48px;
  display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-text h2{font-size:clamp(28px,3vw,38px);margin-bottom:10px}
.cta-text p{color:var(--muted)}
.cta-form{display:flex;flex-direction:column;gap:12px}
.cta-form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cta-form input,.cta-form textarea{
  width:100%;padding:14px 16px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:10px;color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .15s, background .15s;
}
.cta-form input:focus,.cta-form textarea:focus{
  outline:none;border-color:var(--accent);background:rgba(15,185,177,.05);
}
.cta-form textarea{resize:vertical;min-height:90px}
.form-note{font-size:12.5px;color:var(--muted);text-align:center}
.form-note a{color:var(--accent)}
.form-result{
  padding:12px 14px;border-radius:10px;font-size:14px;
  background:rgba(15,185,177,.1);border:1px solid rgba(15,185,177,.3);
  color:var(--accent-2);
}
.form-result.error{
  background:rgba(242,80,80,.1);border-color:rgba(242,80,80,.35);color:#ff8c8c;
}

/* FOOTER */
footer{
  border-top:1px solid var(--line);
  padding:60px 24px 24px;background:#080e1c;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;
}
.footer-grid h4{font-size:14px;margin-bottom:14px;color:var(--text)}
.footer-grid a{display:block;color:var(--muted);font-size:14px;padding:4px 0;transition:color .15s}
.footer-grid a:hover{color:var(--accent)}
.logo-foot{margin-bottom:12px}
.muted{color:var(--muted);font-size:14px;max-width:260px}
.copyright{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  text-align:center;color:var(--muted);font-size:13px;
}

/* RESPONSIVE */
@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .features-grid,.steps,.plans{grid-template-columns:1fr 1fr}
  .plan-featured{transform:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-card{grid-template-columns:1fr;padding:32px}
  .trust-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 700px){
  nav{padding:12px 18px}
  .nav-links{
    display:none;position:absolute;top:64px;left:12px;right:12px;
    flex-direction:column;gap:0;
    background:rgba(11,18,32,.96);border:1px solid var(--line);
    border-radius:14px;padding:10px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:8px}
  .nav-cta{display:none}
  .hamburger{display:flex;flex-direction:column;gap:5px;padding:8px;border-radius:8px}
  .hamburger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
  .features-grid,.steps,.plans,.footer-grid,.trust-grid{grid-template-columns:1fr}
  section{padding:70px 18px}
  #hero{padding-top:120px}
  .cta-form .row{grid-template-columns:1fr}
}