:root{
  --bg:#03091d;
  --panel:#081735;
  --panel2:#0b2045;
  --text:#edf6ff;
  --muted:#94a5bd;
  --cyan:#18d7e8;
  --cyan2:#168cff;
  --line:rgba(55,190,255,.18);
  --green:#22c55e;
  --yellow:#facc15;
  --orange:#f59e0b;
  --red:#ff4d4d;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-width:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  overflow-x:hidden;
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-3;
  background:
    radial-gradient(circle at 15% 8%,rgba(0,122,255,.24),transparent 34%),
    radial-gradient(circle at 88% 45%,rgba(20,65,255,.17),transparent 42%),
    linear-gradient(180deg,#061332 0%,#03091d 75%);
}
#particles-js{position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.42}

/* Navbar */
.navbar{
  position:sticky;
  top:0;
  z-index:5000;
  height:72px;
  border-bottom:1px solid rgba(55,190,255,.14);
  background:rgba(3,9,29,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.nav-container{
  width:min(1180px,calc(100% - 32px));
  height:100%;
  margin:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:relative;
}
.nav-brand a{
  display:inline-flex;
  align-items:center;
  gap:9px;
  text-decoration:none;
  line-height:1;
}
.brand-mark{
  width:30px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(24,215,232,.38);
  border-radius:9px;
  background:linear-gradient(135deg,rgba(24,215,232,.14),rgba(22,89,255,.1));
  color:var(--cyan);
  font:800 12px ui-monospace,SFMono-Regular,Menlo,monospace;
}
.brand-name{
  font-size:25px;
  font-weight:800;
  letter-spacing:-1.15px;
  color:#f4f8ff;
}
.brand-name span{
  background:linear-gradient(90deg,var(--cyan),#5ee7ff);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.brand-name b{color:var(--cyan)}
.nav-links{
  display:flex;
  align-items:center;
  gap:27px;
}
.nav-links a{
  color:#aebed5;
  text-decoration:none;
  font-size:13px;
  font-weight:650;
  transition:.2s ease;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:#fff}
.hamburger{
  width:42px;height:42px;
  border:0;
  background:transparent;
  display:none;
  position:relative;
  cursor:pointer;
  padding:0;
}
.hamburger span{
  position:absolute;
  left:7px;
  width:28px;height:3px;
  border-radius:99px;
  background:#fff;
  transition:transform .25s ease,opacity .2s ease,top .25s ease;
}
.hamburger span:nth-child(1){top:10px}
.hamburger span:nth-child(2){top:19px}
.hamburger span:nth-child(3){top:28px}
.hamburger.active span:nth-child(1){top:19px;transform:rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){top:19px;transform:rotate(-45deg)}
.nav-overlay{display:none}

/* Page */
.container{width:min(900px,calc(100% - 32px));margin:auto}
.hero{text-align:center;padding:72px 10px 38px}
.eyebrow{
  display:inline-block;
  color:var(--cyan);
  font-size:10px;
  font-weight:850;
  letter-spacing:2px;
  margin-bottom:14px;
}
.hero h1{
  margin:0;
  font-size:clamp(38px,7vw,64px);
  line-height:1.05;
  letter-spacing:-2px;
}
.hero h1 span{color:var(--cyan)}
.hero p{
  margin:13px auto 0;
  color:var(--muted);
  font-size:15px;
  line-height:1.65;
}
.hero .privacy-note{font-size:12px;color:#7387a5}

.checker-box{
  position:relative;
  padding:28px;
  border:1px solid var(--line);
  border-radius:24px;
  background:linear-gradient(145deg,rgba(11,32,69,.9),rgba(5,16,39,.94));
  box-shadow:0 24px 70px rgba(0,40,120,.16);
}
.input-wrap{position:relative}
.password-input{
  width:100%;
  height:58px;
  padding:0 58px 0 17px;
  border:1px solid rgba(90,180,255,.2);
  border-radius:15px;
  outline:none;
  background:rgba(1,9,26,.72);
  color:#fff;
  font-size:16px;
  transition:.2s;
}
.password-input::placeholder{color:#657994}
.password-input:focus{
  border-color:rgba(24,215,232,.65);
  box-shadow:0 0 0 4px rgba(24,215,232,.08);
}
.eye-btn{
  position:absolute;
  right:8px;top:8px;
  width:42px;height:42px;
  border:0;border-radius:11px;
  background:rgba(24,215,232,.08);
  color:#b9cce2;
  cursor:pointer;
  font-size:18px;
}
.eye-btn:hover{background:rgba(24,215,232,.15);color:#fff}
.show-row{
  margin-top:13px;
  display:flex;
  align-items:center;
  gap:9px;
  color:#aebed5;
  font-size:13px;
  cursor:pointer;
}
.show-row input{accent-color:var(--cyan);width:16px;height:16px}

.strength-card{
  margin-top:24px;
  padding:20px;
  border-radius:17px;
  background:rgba(1,9,26,.48);
  border:1px solid rgba(55,190,255,.1);
}
.strength-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:15px;
  margin-bottom:12px;
}
#strengthText{font-size:16px;font-weight:800}
.score{font-size:11px;color:#7387a5}
.strength-bar{
  width:100%;
  height:10px;
  overflow:hidden;
  border-radius:99px;
  background:#111f38;
}
#strengthFill{
  width:0;
  height:100%;
  border-radius:inherit;
  background:var(--red);
  transition:width .35s ease,background .35s ease;
}
#crackTime{
  margin:14px 0 0;
  color:var(--cyan);
  font-size:13px;
  font-weight:650;
}
#suggestions{
  margin:10px 0 0;
  color:#8fa0b8;
  font-size:13px;
  line-height:1.6;
}
.tips{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
}
.tip{
  padding:13px;
  border:1px solid rgba(55,190,255,.1);
  border-radius:13px;
  background:rgba(7,21,48,.55);
  color:#9dafc7;
  font-size:11px;
  line-height:1.45;
}
.tip strong{display:block;color:#eaf5ff;font-size:12px;margin-bottom:4px}
.back-area{text-align:center;margin:28px 0 0}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 22px;
  border-radius:13px;
  border:1px solid transparent;
  background:linear-gradient(135deg,#18d7e8,#168cff);
  color:#02101c;
  text-decoration:none;
  font-size:13px;
  font-weight:850;
  box-shadow:0 10px 32px rgba(0,170,255,.18);
  transition:transform .2s,box-shadow .2s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 38px rgba(0,170,255,.25)}
.security-note{
  margin-top:20px;
  text-align:center;
  color:#637694;
  font-size:11px;
  line-height:1.6;
}
footer{
  margin-top:54px;
  padding:25px 0 34px;
  border-top:1px solid var(--line);
  text-align:center;
  color:#60728e;
  font-size:11px;
}

@media(max-width:768px){
  .navbar{height:64px}
  .nav-container{width:calc(100% - 24px)}
  .brand-mark{width:28px;height:28px;border-radius:8px;font-size:11px}
  .brand-name{font-size:23px;letter-spacing:-1px}
  .hamburger{display:block;z-index:5005}
  .nav-links{
    display:none;
    position:absolute;
    top:60px;
    left:0;
    right:0;
    padding:10px;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    border:1px solid rgba(22,208,255,.24);
    border-radius:18px;
    background:rgba(3,10,29,.98);
    box-shadow:0 20px 55px rgba(0,0,0,.5);
  }
  .nav-open .nav-links{display:flex}
  .nav-links a{
    padding:15px 13px;
    border-bottom:1px solid rgba(55,190,255,.08);
    font-size:14px;
  }
  .nav-links a:last-child{border-bottom:0}
  .nav-overlay{
    display:none;
    position:fixed;
    inset:64px 0 0;
    z-index:-1;
    background:rgba(0,0,0,.2);
  }
  .nav-open .nav-overlay{display:block}
  .container{width:calc(100% - 24px)}
  .hero{padding:50px 4px 28px}
  .hero h1{font-size:clamp(34px,10vw,47px);letter-spacing:-1.4px}
  .hero p{font-size:14px}
  .checker-box{padding:17px;border-radius:20px}
  .password-input{height:54px;font-size:15px}
  .tips{grid-template-columns:1fr}
  .tip{padding:12px}
  footer{margin-top:42px}
}