:root{
  --bg:#0f1117; --bg2:#151821; --card:#161a23; --line:#262c3a;
  --text:#f2f2f4; --muted:#9a9aa5; --acc:#3b82f6; --acc2:#8ec5ff;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:"Inter","Segoe UI",system-ui,sans-serif;line-height:1.5;overflow-x:hidden}
a{color:inherit;text-decoration:none}
#particles{position:fixed;inset:0;z-index:0;pointer-events:none}
.cursor-glow{position:fixed;width:520px;height:520px;border-radius:50%;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(59,130,246,.14),transparent 65%);transform:translate(-50%,-50%);left:50%;top:30%;transition:opacity .3s}
section,header,footer,.ribbon{position:relative;z-index:1}

/* nav */
.nav{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:50;display:flex;align-items:center;gap:36px;
  padding:12px 18px 12px 24px;border-radius:999px;background:rgba(24,24,28,.72);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.05);
  transition:box-shadow .3s,background .3s}
.nav.scrolled{box-shadow:0 10px 40px rgba(0,0,0,.45);background:rgba(20,20,24,.9)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px}
.brand img{height:30px}
.nav nav{display:flex;gap:26px;color:var(--muted);font-size:15px}
.nav nav a{transition:color .2s;position:relative}
.nav nav a:hover{color:var(--text)}
.nav nav a::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--acc);transition:width .25s}
.nav nav a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:10px}
.ico{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;color:var(--muted);font-size:13px;cursor:pointer;transition:.2s;border:1px solid transparent}
.ico:hover{color:var(--acc);border-color:var(--line)}
.pill{padding:11px 22px;border-radius:999px;background:#202026;font-weight:600;font-size:15px;transition:.2s}
.pill:hover{background:var(--acc);color:#111}

/* hero */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:space-between;gap:40px;padding:140px 8vw 60px;
  background:radial-gradient(ellipse at 20% 80%,rgba(59,130,246,.13),transparent 55%)}
.hero-text{max-width:560px}
.hero h1{font-size:clamp(42px,6vw,74px);line-height:1.05;font-weight:800;letter-spacing:-1px}
.hero h1 em{font-style:normal;color:var(--acc);text-shadow:0 0 40px rgba(59,130,246,.45)}
.hero p{margin:26px 0 34px;color:#d3d3da;font-size:19px}
.btns{display:flex;gap:16px;flex-wrap:wrap}.btns.center{justify-content:center}
.btn{padding:17px 34px;border-radius:999px;background:var(--acc);color:#06101f;font-weight:700;font-size:17px;transition:transform .2s,box-shadow .2s;box-shadow:0 8px 30px rgba(59,130,246,.25)}
.btn:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(59,130,246,.4)}
.btn.ghost{background:#1c1c21;color:var(--text);box-shadow:none;border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--acc)}

.hero-card{width:min(640px,48vw);border-radius:22px;background:#15151a;border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.6);
  transition:transform .15s;will-change:transform;overflow:hidden}
.win-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}
.win-bar i{width:11px;height:11px;border-radius:50%;background:#34343c}.win-bar span{margin-left:10px}
.win-body{display:flex;min-height:300px}
.side{width:150px;padding:18px 12px;display:flex;flex-direction:column;gap:8px;border-right:1px solid var(--line)}
.side b{padding:10px 14px;border-radius:12px;font-weight:500;color:var(--muted);font-size:14px}
.side b.on{background:linear-gradient(135deg,#3b82f6,#1e40af);color:#fff}
.main{flex:1;padding:18px;display:flex;flex-direction:column;gap:12px}
.mod{display:flex;justify-content:space-between;align-items:center;padding:16px;border-radius:14px;background:#1b1b21;border:1px solid #25252b}
.mod h4{font-size:16px}.mod p{color:var(--muted);font-size:12px}
.sw{width:46px;height:26px;border-radius:99px;background:#34343c;position:relative;transition:.25s;cursor:pointer}
.sw::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:.25s}
.sw.on{background:var(--acc)}.sw.on::after{left:23px}

/* ribbon */
.ribbon{overflow:hidden;transform:rotate(-2deg);margin:40px -3vw;background:var(--acc);padding:14px 0}
.ribbon-in{display:flex;gap:46px;white-space:nowrap;width:max-content;animation:marq 28s linear infinite;color:#06101f;font-weight:700;font-size:20px;align-items:center}
.ribbon-in img{height:26px;filter:brightness(0)}
@keyframes marq{to{transform:translateX(-50%)}}

/* sections */
.sec{padding:100px 8vw;text-align:center}
.badge{display:inline-block;padding:9px 18px;border-radius:12px;background:rgba(59,130,246,.16);color:var(--acc);font-size:15px;margin-bottom:26px}
.sec h2{font-size:clamp(32px,4.4vw,54px);font-weight:700;line-height:1.1;max-width:780px;margin:0 auto 20px}
.lead{color:#c8c8d0;font-size:19px;max-width:700px;margin:0 auto 56px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1180px;margin:0 auto}
.card{padding:34px 28px;border-radius:24px;background:var(--card);border:1px solid #232328;transition:transform .25s,border-color .25s,box-shadow .25s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at var(--mx,50%) var(--my,0%),rgba(59,130,246,.16),transparent 55%);opacity:0;transition:.3s}
.card:hover{transform:translateY(-6px);border-color:rgba(59,130,246,.5)}
.card:hover::before{opacity:1}
.card h3{font-size:24px;margin-bottom:12px;position:relative}.card p{color:var(--muted);position:relative}
.card .num{font-size:13px;color:var(--acc);margin-bottom:14px;display:block;position:relative;letter-spacing:2px}

/* compare */
.compare{position:relative;max-width:1000px;aspect-ratio:16/8.5;margin:0 auto;border-radius:26px;overflow:hidden;border:1px solid var(--line);user-select:none;touch-action:none;cursor:ew-resize;
  background:url(/img/before.jpg) center/cover,linear-gradient(135deg,#2a3a2a,#1d2a20)}
.compare .side-b{position:absolute;inset:0;background:url(/img/after.jpg) center/cover,linear-gradient(135deg,#1d2f4a,#26456f);clip-path:inset(0 0 0 50%)}
.compare span{position:absolute;top:18px;padding:7px 14px;border-radius:99px;background:rgba(0,0,0,.55);font-size:13px}
.side-a span{left:18px}.side-b span{right:18px}
.handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:var(--acc);transform:translateX(-50%)}
.handle::after{content:"";position:absolute;top:50%;left:50%;width:42px;height:42px;border-radius:50%;background:var(--acc);transform:translate(-50%,-50%);box-shadow:0 0 0 8px rgba(59,130,246,.25)}
.hint{color:#5d5d68;font-size:13px;margin-top:14px}

/* plans */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1100px;margin:0 auto;align-items:center}
.plan{padding:36px 28px 32px;border-radius:28px;background:var(--card);border:1px solid #232328;transition:.3s}
.plan:hover{transform:translateY(-8px)}
.plan.pop{border-color:rgba(59,130,246,.6);padding:46px 28px 42px;box-shadow:0 0 70px rgba(59,130,246,.12)}
.prices{display:inline-flex;gap:8px;align-items:center;margin-bottom:20px}
.prices s{padding:7px 12px;border-radius:10px;background:#242429;color:var(--muted)}
.prices b{padding:7px 12px;border-radius:10px;background:#242429}
.flag{padding:7px 12px;border-radius:10px;background:rgba(59,130,246,.2);color:var(--acc);font-size:14px}
.plan h3{font-size:52px;font-weight:700;line-height:1.1}
.plan .tag{color:var(--acc);margin:6px 0 18px}
.plan p{color:var(--muted);min-height:54px;margin-bottom:26px}
.plan .btn{display:block;background:#202026;color:var(--text);box-shadow:none;border:1px solid var(--line)}
.plan .btn:hover{background:var(--acc);color:#06101f}
.note{color:#5d5d68;margin-top:24px;font-size:14px}

/* reviews */
.reviews{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;max-width:1180px;margin:0 auto}
.rev{width:340px;padding:30px 26px;border-radius:24px;background:var(--card);border:1px solid #232328;transition:.25s}
.rev:hover{transform:translateY(-6px);border-color:rgba(59,130,246,.45)}
.rev .av{width:84px;height:84px;margin:0 auto 14px;border-radius:50%;overflow:hidden;background:#222;border:2px solid #2d2d34}
.rev .av img{width:100%;height:100%;object-fit:cover;image-rendering:pixelated}
.rev h4{font-size:22px}
.rev .role{display:inline-block;margin:10px 0 16px;padding:7px 14px;border-radius:10px;background:rgba(59,130,246,.15);color:var(--acc);font-size:14px}
.rev p{color:#cfcfd6}

/* faq */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;text-align:left}
.q{border-radius:26px;background:var(--card);border:1px solid #232328;overflow:hidden;transition:.3s}
.q button{all:unset;display:flex;justify-content:space-between;align-items:center;width:100%;padding:24px 30px;font-size:19px;cursor:pointer;box-sizing:border-box}
.q button i{transition:transform .3s;font-style:normal;color:var(--muted)}
.q .a{max-height:0;overflow:hidden;color:#e9e9ee;padding:0 30px;transition:max-height .35s,padding .35s}
.q.open{background:linear-gradient(135deg,#4a8ff7,#2563eb);box-shadow:0 0 60px rgba(59,130,246,.2)}
.q.open .a{max-height:220px;padding:0 30px 26px}
.q.open button i{transform:rotate(180deg);color:#fff}

/* cta + footer */
.cta{padding:120px 8vw;text-align:center;background:radial-gradient(ellipse at center,rgba(59,130,246,.14),transparent 60%)}
.cta h2{font-size:clamp(34px,5vw,60px);margin-bottom:18px}.cta p{color:#c8c8d0;max-width:620px;margin:0 auto 36px;font-size:19px}
.foot{padding:50px 8vw;border-top:1px solid #1e1e23;color:var(--muted)}
.foot .brand{margin-bottom:10px;color:var(--text)}

/* reveal */
.reveal,.sec>*,.card,.plan,.rev,.q{opacity:0;transform:translateY(34px);transition:opacity .7s,transform .7s}
.in{opacity:1!important;transform:none!important}

@media(max-width:900px){
  .nav{gap:14px;padding:10px 14px;width:calc(100% - 24px)}.nav nav,.ico{display:none}.nav-right{margin-left:auto}
  .hero{flex-direction:column;padding-top:120px}.hero-card{width:100%}
  .grid,.plans{grid-template-columns:1fr}
}