:root{
  --bg:#050505;--bg2:#0a0e14;--surface:rgba(245,247,250,0.04);--surface-strong:rgba(245,247,250,0.07);
  --border:rgba(0,183,255,0.22);--border-glow:rgba(0,183,255,0.55);--primary:#00B7FF;--accent:#007BFF;
  --secondary:#1A4DFF;--white:#F5F7FA;--muted:#9CA3AF;--card-bg:rgba(13,17,23,0.6);--text:#F5F7FA;
  --shadow:0 0 24px rgba(0,183,255,0.10);--grid-line:rgba(0,183,255,0.05);
}
[data-theme="light"]{
  --bg:#F5F7FA;--bg2:#ffffff;--surface:rgba(5,5,5,0.03);--surface-strong:rgba(5,5,5,0.05);
  --border:rgba(0,123,255,0.25);--border-glow:rgba(0,183,255,0.6);--primary:#007BFF;--accent:#007BFF;
  --secondary:#1A4DFF;--white:#0B1220;--muted:#5B6472;--card-bg:rgba(255,255,255,0.75);--text:#0B1220;
  --shadow:0 8px 30px rgba(26,77,255,0.10);--grid-line:rgba(0,123,255,0.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Exo 2",ui-sans-serif,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;
  transition:background .3s ease,color .3s ease;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0,183,255,0.10), transparent),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size:auto,44px 44px,44px 44px;background-attachment:fixed;
}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
a{color:var(--primary);text-decoration:none}
a:hover{text-shadow:0 0 12px rgba(0,183,255,0.6)}

/* nav */
nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
nav .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;font-family:"Orbitron",sans-serif;font-weight:800;letter-spacing:.02em}
.brand img{height:38px;width:auto}
.brand .a{color:var(--white)}
.brand .b{color:var(--primary);text-shadow:0 0 16px rgba(0,183,255,0.7)}
nav ul{list-style:none;display:none;flex-direction:column;align-items:flex-start;position:absolute;top:68px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);padding:14px 24px;gap:6px}
nav ul.open{display:flex}
nav ul a{color:var(--muted);font-weight:500;font-size:.95rem;padding:6px 8px;border-radius:8px}
nav ul a:hover{color:var(--primary);background:var(--surface-strong)}
nav ul li:not(.nav-theme){display:block}
nav .cta.nav-cta{padding:8px 14px;font-size:.85rem;margin-top:6px;border-radius:8px}
@media(min-width:901px){
  nav ul{position:static;display:flex;flex-direction:row;align-items:center;background:none;border:none;padding:0;gap:2px}
  nav ul a{white-space:nowrap}
  nav .cta.nav-cta{margin:0 0 0 8px;padding:8px 16px}
}
.theme-btn,.hamburger{background:var(--surface-strong);border:1px solid var(--border);color:var(--white);width:40px;height:40px;border-radius:10px;cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center}
.theme-btn:hover,.hamburger:hover{border-color:var(--border-glow);box-shadow:0 0 14px rgba(0,183,255,0.3)}
.hamburger{display:flex}
@media(min-width:901px){.hamburger{display:none}}
.cta{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#050505!important;font-weight:700;padding:10px 22px;border-radius:10px;border:1px solid var(--border-glow);box-shadow:0 0 20px rgba(0,183,255,0.35)}
.cta:hover{color:#050505!important;box-shadow:0 0 30px rgba(0,183,255,0.55);text-shadow:none}
.cta-outline{background:transparent;border:1px solid var(--border-glow);color:var(--primary)!important;font-weight:600;padding:15px 30px;border-radius:10px;display:inline-block;margin-left:12px}
.cta-outline:hover{box-shadow:0 0 24px rgba(0,183,255,0.35);color:var(--primary)!important}

/* hero */
.hero{padding:96px 0 84px;text-align:center;position:relative}
.hero .logo-badge{display:inline-block;margin-bottom:28px;animation:float 5s ease-in-out infinite}
.hero .logo-badge img{height:96px;filter:drop-shadow(0 0 26px rgba(0,183,255,0.55))}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hero h1{font-family:"Orbitron",sans-serif;font-size:clamp(2rem,5vw,3.4rem);line-height:1.12;font-weight:800;margin-bottom:18px}
.hero h1 .b{color:var(--primary);text-shadow:0 0 28px rgba(0,183,255,0.6)}
.hero p.sub{font-size:clamp(1.05rem,2.5vw,1.3rem);color:var(--muted);max-width:680px;margin:0 auto 36px}
.hero .cta{font-size:1.08rem;padding:15px 34px}
.hero small{display:block;margin-top:18px;color:var(--muted)}

/* sections */
section{padding:72px 0}
section h2{font-family:"Orbitron",sans-serif;font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:14px;text-align:center}
section h2 .b{color:var(--primary)}
.lead{color:var(--muted);max-width:760px;margin:0 auto 44px;text-align:center}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:28px;backdrop-filter:blur(12px);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-4px);border-color:var(--border-glow)}
.card .icon{font-size:1.7rem;display:block;margin-bottom:14px;filter:drop-shadow(0 0 10px rgba(0,183,255,0.5))}
.card h3{font-size:1.12rem;margin-bottom:10px;font-weight:700}
.card p{color:var(--muted);font-size:.94rem}

/* pricing */
#pricing .grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){#pricing .grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){#pricing .grid{grid-template-columns:1fr}}
#pricing .card{text-align:center;position:relative;padding:36px 28px}
.price{font-family:"Orbitron",sans-serif;font-size:2.6rem;font-weight:800;margin:16px 0 4px;color:var(--primary);text-shadow:0 0 22px rgba(0,183,255,0.4)}
.price span{font-size:.95rem;font-weight:400;color:var(--muted);font-family:"Exo 2",sans-serif}
.card .tier-tag{font-family:"Orbitron",sans-serif;font-size:.72rem;letter-spacing:.14em;color:var(--primary);text-transform:uppercase;margin-bottom:6px}
.card ul{list-style:none;text-align:left;margin:22px 0;color:var(--muted);font-size:.95rem}
.card ul li{padding:8px 0;border-bottom:1px solid var(--border);display:flex;gap:10px;align-items:center}
.card ul li::before{content:"✓";color:var(--primary);font-weight:800;text-shadow:0 0 8px rgba(0,183,255,0.7)}
.terms{color:var(--muted);font-size:.85rem;max-width:860px;margin:44px auto 0;text-align:center;line-height:1.7}
.popular{border:2px solid var(--border-glow);box-shadow:0 0 34px rgba(0,183,255,0.22)}
.popular .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--secondary));color:#050505;font-size:.7rem;font-weight:800;padding:5px 16px;border-radius:999px;letter-spacing:.08em;font-family:"Orbitron",sans-serif}

/* steps */
ol.steps{counter-reset:step;list-style:none;max-width:860px;margin:0 auto}
ol.steps li{counter-increment:step;padding:18px 0 18px 60px;position:relative;border-bottom:1px solid var(--border)}
ol.steps li::before{content:counter(step);position:absolute;left:0;top:18px;width:38px;height:38px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#050505;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;font-family:"Orbitron",sans-serif;box-shadow:0 0 16px rgba(0,183,255,0.35)}
ol.steps li strong{color:var(--text)}
ol.steps li p{color:var(--muted);font-size:.95rem}

/* faq */
.faq{max-width:760px;margin:0 auto}
.faq details{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;backdrop-filter:blur(12px);overflow:hidden}
.faq summary{cursor:pointer;font-weight:600;padding:16px 20px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--primary);font-size:1.2rem;font-weight:800;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 20px 18px;color:var(--muted);font-size:.95rem}

/* contact */
#contact{background:linear-gradient(180deg,transparent,rgba(0,183,255,0.06));border-top:1px solid var(--border)}
#contact .cta{font-size:1.08rem;padding:15px 34px;display:inline-block;margin-top:8px}

/* footer */
footer{border-top:1px solid var(--border);padding:32px 0 44px;color:var(--muted);font-size:.85rem}
footer .container{display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}
footer .glow{color:var(--primary);text-shadow:0 0 12px rgba(0,183,255,0.5)}
@media(min-width:701px){footer .container{flex-direction:row;justify-content:space-between;align-items:flex-start;text-align:left}}