:root{
  --ink:#0B1020;
  --ink-2:#11182E;
  --panel:#161F3A;
  --cyan:#22D3EE;
  --violet:#7C5CFF;
  --mist:#E8ECF8;
  --slate:#94A3B8;
  --line:rgba(232,236,248,.12);
  --radius:14px;
  --maxw:1140px;
  --shadow:0 18px 50px rgba(3,7,18,.45);
  --grad:linear-gradient(120deg,var(--cyan),var(--violet));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,sans-serif;
  color:var(--mist);
  background:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Space Grotesk",sans-serif;line-height:1.12;margin:0;font-weight:600}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(100% - 40px,var(--maxw));margin-inline:auto}
.narrow{width:min(100% - 40px,760px)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:.5rem;padding:.8rem 1.4rem;border-radius:999px;
  font-weight:600;font-size:.95rem;cursor:pointer;border:0;
  background:var(--grad);color:#06101e;
  transition:transform .15s ease,box-shadow .2s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(34,211,238,.28)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-ghost{background:transparent;color:var(--mist);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--cyan);box-shadow:none}
.btn-sm{padding:.55rem 1rem;font-size:.85rem}
.btn-full{width:100%}

.eyebrow{
  text-transform:uppercase;letter-spacing:.18em;font-size:.72rem;
  font-weight:600;color:var(--cyan);margin:0 0 .8rem
}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,16,32,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:1.5rem;height:68px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:600}
.brand-name{font-family:"Space Grotesk";font-size:1.2rem;letter-spacing:-.01em}
.brand-wave{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.brand-wave i{width:3px;height:8px;background:var(--grad);border-radius:2px;animation:wave 1.2s ease-in-out infinite}
.brand-wave i:nth-child(2){animation-delay:.12s}
.brand-wave i:nth-child(3){animation-delay:.24s}
.brand-wave i:nth-child(4){animation-delay:.36s}
.brand-wave i:nth-child(5){animation-delay:.48s}
@keyframes wave{0%,100%{height:7px}50%{height:20px}}
.nav-links{display:flex;gap:1.4rem;margin-left:auto;font-size:.92rem}
.nav-links a{color:var(--slate);transition:color .2s}
.nav-links a:hover{color:var(--mist)}
.nav-inner>.btn-sm{margin-left:.2rem}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--mist);border-radius:2px}
.mobile-menu{display:flex;flex-direction:column;padding:0 20px 16px;gap:.4rem}
.mobile-menu[hidden]{display:none}
.mobile-menu a{padding:.6rem 0;border-bottom:1px solid var(--line);color:var(--slate)}

/* hero */
.hero{position:relative;padding:5rem 0 3rem;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 320px at 80% 10%,rgba(124,92,255,.22),transparent 60%),
    radial-gradient(560px 300px at 10% 30%,rgba(34,211,238,.16),transparent 60%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center;position:relative}
.hero h1{font-size:clamp(2.3rem,5vw,3.6rem);letter-spacing:-.02em;margin-bottom:1.1rem}
.lede{font-size:1.1rem;color:var(--slate);max-width:34ch;margin:0 0 1.8rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-stats{display:flex;gap:2rem;margin:2.6rem 0 0;flex-wrap:wrap}
.hero-stats dt{font-family:"Space Grotesk";font-size:1.7rem;color:var(--mist)}
.hero-stats dd{margin:0;font-size:.82rem;color:var(--slate)}

/* oscilloscope visual */
.hero-visual{display:flex;justify-content:center}
.oscilloscope{
  width:100%;max-width:430px;aspect-ratio:1/1;border-radius:24px;
  background:linear-gradient(160deg,var(--panel),var(--ink-2));
  border:1px solid var(--line);box-shadow:var(--shadow);
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  padding:2rem;position:relative;
}
.oscilloscope::before{
  content:"";position:absolute;inset:18px;border-radius:18px;
  background:repeating-linear-gradient(0deg,transparent 0 23px,rgba(232,236,248,.04) 23px 24px),
             repeating-linear-gradient(90deg,transparent 0 23px,rgba(232,236,248,.04) 23px 24px);
  pointer-events:none;
}
.osc-bars{display:flex;align-items:center;gap:5px;height:160px;position:relative;z-index:1}
.osc-bars i{width:6px;border-radius:3px;background:var(--grad);height:20%}
.osc-label{margin-top:1.4rem;font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--slate);z-index:1}

.wave-divider{height:2px;background:var(--grad);opacity:.5;margin-top:3rem}

/* strip */
.strip{border-block:1px solid var(--line);background:var(--ink-2)}
.strip-inner{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;padding:1.1rem 0;font-size:.86rem;color:var(--slate)}
.strip-inner i{color:var(--cyan);font-style:normal}

/* sections */
.section{padding:5rem 0}
.section-alt{background:var(--ink-2)}
.section-head{max-width:60ch;margin:0 auto 3rem;text-align:center}
.section-head h2{font-size:clamp(1.8rem,3.5vw,2.5rem);letter-spacing:-.01em}
.section-sub{color:var(--slate);margin:1rem 0 0}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.4)}
.card img{height:180px;object-fit:cover;width:100%}
.card-body{padding:1.5rem;display:flex;flex-direction:column;gap:.7rem;flex:1}
.card-body h3{font-size:1.2rem}
.card-body p{color:var(--slate);font-size:.94rem;margin:0}
.card-featured{border-color:rgba(124,92,255,.5);box-shadow:0 0 0 1px rgba(124,92,255,.25)}
.tag{align-self:flex-start;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:.25rem .6rem;border-radius:999px;background:rgba(232,236,248,.08);color:var(--slate)}
.tag-accent{background:var(--grad);color:#06101e}
.ticks{list-style:none;padding:0;margin:.4rem 0 0;display:flex;flex-direction:column;gap:.45rem}
.ticks li{position:relative;padding-left:1.5rem;font-size:.9rem;color:var(--mist)}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:2px;background:var(--grad)}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;counter-reset:s}
.steps li{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem}
.step-no{font-family:"Space Grotesk";font-size:.9rem;color:var(--cyan);letter-spacing:.1em}
.steps h3{font-size:1.15rem;margin:.7rem 0 .5rem}
.steps p{color:var(--slate);font-size:.92rem;margin:0}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.split-media img{border-radius:var(--radius);height:100%;max-height:420px;object-fit:cover;width:100%;box-shadow:var(--shadow)}
.split-copy h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:1.2rem}
.benefits{list-style:none;padding:0;margin:0 0 1.8rem;display:flex;flex-direction:column;gap:1rem}
.benefits li{color:var(--slate);font-size:.96rem;padding-left:1.4rem;position:relative}
.benefits li::before{content:"";position:absolute;left:0;top:.5em;width:10px;height:10px;border-radius:50%;background:var(--grad)}
.benefits strong{color:var(--mist)}

/* pricing */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;align-items:start}
.price-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;position:relative;display:flex;flex-direction:column;gap:1rem}
.price-pop{border-color:rgba(124,92,255,.55);box-shadow:0 0 0 1px rgba(124,92,255,.3),var(--shadow)}
.pop-flag{position:absolute;top:-12px;right:1.5rem;background:var(--grad);color:#06101e;font-size:.7rem;font-weight:700;padding:.3rem .7rem;border-radius:999px;letter-spacing:.05em}
.price-card h3{font-size:1.3rem}
.price{font-family:"Space Grotesk";font-size:2.6rem;margin:0;line-height:1}
.price span{font-size:1.3rem;vertical-align:top;margin-right:2px}
.price small{font-size:.85rem;color:var(--slate);font-family:"Inter";font-weight:400}
.price-note{font-size:.82rem;color:var(--cyan);margin:-.4rem 0 0}
.price-card .btn,.price-card .btn-ghost{margin-top:auto}
.price-legal{text-align:center;color:var(--slate);font-size:.85rem;margin-top:2rem}
.price-legal a{color:var(--cyan)}

/* accordion */
.accordion{display:flex;flex-direction:column;gap:.8rem}
.accordion details{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:0 1.3rem}
.accordion summary{cursor:pointer;padding:1.1rem 0;font-family:"Space Grotesk";font-weight:500;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.accordion summary::-webkit-details-marker{display:none}
.accordion summary::after{content:"+";color:var(--cyan);font-size:1.4rem;transition:transform .2s}
.accordion details[open] summary::after{transform:rotate(45deg)}
.accordion p{margin:0 0 1.1rem;color:var(--slate);font-size:.94rem}

/* contact */
.contact-list{list-style:none;padding:0;margin:1.5rem 0 0;display:flex;flex-direction:column;gap:1rem}
.contact-list li{display:flex;flex-direction:column}
.contact-list strong{font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;color:var(--cyan)}
.contact-list a,.contact-list span{color:var(--mist)}
.split-form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:2rem}
.field{margin-bottom:1.1rem;display:flex;flex-direction:column;gap:.4rem}
.field label{font-size:.85rem;color:var(--slate)}
.field input,.field select,.field textarea{
  background:var(--ink);border:1px solid var(--line);border-radius:10px;
  padding:.75rem .9rem;color:var(--mist);font:inherit;font-size:.95rem;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--cyan);outline-offset:1px;border-color:transparent}
.err{color:#ff8a8a;font-size:.8rem;min-height:1em}
.check{display:flex;gap:.6rem;align-items:flex-start;font-size:.85rem;color:var(--slate);margin-bottom:1.2rem}
.check input{margin-top:.2rem}
.check a{color:var(--cyan)}
.form-status{margin:1rem 0 0;font-size:.9rem;padding:.8rem 1rem;border-radius:10px;background:rgba(34,211,238,.12);color:var(--cyan)}

/* footer */
.site-footer{background:var(--ink-2);border-top:1px solid var(--line);padding:3.5rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2rem}
.footer-brand p{color:var(--slate);font-size:.9rem;margin:1rem 0 0;max-width:34ch}
.footer-col{display:flex;flex-direction:column;gap:.6rem}
.footer-col h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--cyan);margin-bottom:.3rem}
.footer-col a,.footer-col span{color:var(--slate);font-size:.9rem;transition:color .2s}
.footer-col a:hover{color:var(--mist)}
.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:2.5rem;padding-top:1.5rem;color:var(--slate);font-size:.82rem;flex-wrap:wrap;gap:.5rem}

/* cookie banner */
.cookie-banner{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);width:min(100% - 32px,720px);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);z-index:80}
.cookie-inner{display:flex;align-items:center;gap:1.2rem;padding:1.1rem 1.3rem;flex-wrap:wrap}
.cookie-inner p{margin:0;font-size:.86rem;color:var(--slate);flex:1;min-width:240px}
.cookie-inner a{color:var(--cyan)}
.cookie-actions{display:flex;gap:.6rem}

/* legal pages */
.legal{padding:3.5rem 0}
.legal h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:.5rem}
.legal .updated{color:var(--slate);font-size:.85rem;margin-bottom:2.5rem}
.legal h2{font-size:1.3rem;margin:2rem 0 .7rem}
.legal p,.legal li{color:var(--slate);font-size:.96rem}
.legal ul{padding-left:1.2rem;display:flex;flex-direction:column;gap:.4rem}
.legal a{color:var(--cyan)}
.back-link{display:inline-flex;align-items:center;gap:.4rem;margin-bottom:2rem;color:var(--cyan);font-size:.9rem}

/* responsive */
@media(max-width:900px){
  .hero-grid,.split{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .oscilloscope{max-width:340px}
  .cards,.pricing{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-links,.nav-inner>.btn-sm{display:none}
  .nav-toggle{display:flex}
  .cards,.pricing,.steps,.footer-grid{grid-template-columns:1fr}
  .section{padding:3.5rem 0}
  .hero{padding:3rem 0 2rem}
  .footer-bottom{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
}