:root{
  --purple:#9c5bd7;
  --purple-dark:#6d33a5;
  --purple-soft:#eadcff;
  --purple-pale:#f6efff;
  --ink:#171717;
  --muted:#666;
  --white:#fff;
  --line:#e8def2;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.topbar{background:#fff;border-bottom:1px solid #eee}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-size:23px;font-weight:700;display:flex;align-items:center;gap:10px}
.brand-mark{width:34px;height:34px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#c89bf0 0 16%,#9c5bd7 17% 58%,#5f267f 59% 100%);box-shadow:0 8px 24px rgba(97,48,135,.25)}
.menu{display:flex;gap:28px;font-size:15px}
.menu a:hover{color:var(--purple-dark)}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#f6efff 0%,#e5d2ff 56%,#f8f4ff 100%);min-height:650px;display:flex;align-items:center}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;border:32px solid var(--purple);filter:drop-shadow(0 18px 20px rgba(80,35,110,.24))}
.hero:before{width:120px;height:120px;left:-28px;top:76px;transform:rotate(-12deg)}
.hero:after{width:210px;height:210px;left:75px;bottom:-145px;border-width:52px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:64px;padding:96px 0}
.eyebrow{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:700;margin-bottom:22px}
.eyebrow:before{content:"";width:4px;height:52px;background:var(--purple)}
h1{font-size:clamp(44px,6vw,76px);line-height:1.04;margin:0 0 26px;font-weight:500;letter-spacing:-2px}
.hero p{font-size:18px;max-width:690px;color:#363036}
.cta-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border-radius:999px;font-weight:700;border:1px solid var(--purple-dark)}
.btn.primary{background:var(--purple-dark);color:#fff}
.btn.secondary{background:#fff;color:var(--purple-dark)}
.hero-art{position:relative;min-height:440px}
.card-art{position:absolute;width:430px;height:280px;right:20px;top:56px;background:#fff;transform:rotate(8deg);box-shadow:35px 35px 0 #9f79c6,0 24px 50px rgba(46,19,67,.18);padding:45px}
.card-art:before{content:"Cyber Safety";font-size:42px;font-weight:700}
.card-art:after{content:"Clear, independent guides for safer browsing, software choices and everyday device protection.";display:block;margin-top:28px;color:#666;font-size:15px;line-height:1.5}
.mini-ring{position:absolute;width:66px;height:66px;border:18px solid var(--purple);border-radius:50%;left:90px;bottom:72px;box-shadow:0 14px 22px rgba(93,46,129,.22)}
.dark-intro{background:#181818;color:#fff;padding:82px 0;text-align:center}
.dark-intro h2{font-size:clamp(31px,4vw,48px);max-width:1050px;margin:0 auto;line-height:1.22}
.about{padding:110px 0;background:#fff}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
.phone-visual{height:460px;position:relative}
.phone{width:240px;height:450px;border:12px solid #2c2c2c;border-radius:38px;margin:auto;background:linear-gradient(145deg,#fff,#edd9ff);box-shadow:0 22px 50px rgba(0,0,0,.16);padding:55px 24px}
.phone:before{content:"";position:absolute;width:110px;height:22px;border-radius:0 0 18px 18px;background:#2c2c2c;left:50%;top:0;transform:translateX(-50%)}
.phone h4{font-size:22px;margin:0 0 20px}
.phone p{font-size:13px;color:#555}
.section-label{border-left:4px solid var(--purple);padding-left:16px;font-weight:700}
.about h2,.section-title{font-size:clamp(36px,4.8vw,60px);line-height:1.08;margin:28px 0 22px;font-weight:500}
.about p{font-size:18px;color:#555}
.guides{padding:100px 0}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:70px 58px}
.guide-card{min-height:240px}
.guide-card h3{font-size:36px;line-height:1.15;font-weight:500;margin:0 0 36px}
.arrow-link{display:inline-flex;align-items:center;gap:26px;color:var(--purple);font-size:17px}
.arrow{width:120px;height:4px;background:var(--purple);position:relative}
.arrow:after{content:"";position:absolute;right:-2px;top:50%;width:30px;height:30px;border-top:4px solid var(--purple);border-right:4px solid var(--purple);transform:translateY(-50%) rotate(45deg)}
.features{background:#181818;color:#fff;padding:86px 0}
.feature-list{max-width:950px;margin:auto}
.feature{padding:16px 0 24px;text-align:center;border-bottom:2px solid #ddd}
.feature:last-child{border-bottom:0}
.feature h3{font-size:29px;margin:0 0 8px}
.feature p{margin:0;color:#eee;font-size:17px}
.popular{padding:100px 0;text-align:center;position:relative;overflow:hidden}
.popular:before{content:"👍";position:absolute;left:-40px;top:0;font-size:230px;transform:rotate(-3deg)}
.popular h2{font-size:58px;font-weight:500;margin:0 0 42px}
.topic-list{display:inline-block;text-align:left;font-size:18px}
.topic-list li{margin:10px 0}
.article-strip{background:#fbfbfb;padding:86px 0;text-align:center}
.article-strip h2{font-size:44px;font-weight:500}
.article-strip p{max-width:900px;margin:0 auto 28px;color:#555;font-size:18px}
.notice{font-style:italic;font-weight:600;max-width:900px;margin:36px auto 0}
.page-hero{background:linear-gradient(135deg,#f7f0ff,#e5d3ff);padding:105px 0 90px;text-align:center}
.page-hero h1{font-size:62px}
.content{padding:80px 0}
.content article{max-width:900px;margin:auto}
.content h2{font-size:36px;margin-top:46px}
.content h3{font-size:25px;margin-top:32px}
.content p,.content li{font-size:17px;color:#444}
.card-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:35px}
.info-card{padding:30px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(80,42,110,.06)}
.info-card h3{margin:0 0 10px}
.contact-box{background:var(--purple-pale);border:1px solid var(--line);border-radius:20px;padding:34px;margin-top:28px}
.footer{background:#181818;color:#fff;padding:80px 0 30px;position:relative;overflow:hidden}
.footer:before{content:"";position:absolute;inset:0;opacity:.07;background:radial-gradient(circle at 50% 50%,#fff 0 2px,transparent 3px) 0 0/52px 52px}
.footer-grid{position:relative;display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:60px}
.footer h2{font-size:48px;color:#b88bea;margin:0 0 28px}
.footer h3{margin-top:0}
.footer p,.footer a{color:#eee}
.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.footer-bottom{position:relative;border-top:1px solid #aaa;margin-top:50px;padding-top:24px;font-size:14px;color:#bbb}
.backtop{position:fixed;right:22px;bottom:22px;width:52px;height:52px;background:linear-gradient(135deg,#9c5bd7,#c68cf3);display:grid;place-items:center;color:#fff;font-size:24px}
@media(max-width:900px){
  .menu{display:none}
  .hero{min-height:auto}
  .hero-grid,.about-grid{grid-template-columns:1fr}
  .hero-art{min-height:360px}
  .card-art{width:80%;right:5%;height:245px}
  .guide-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  .container{width:min(100% - 28px,var(--max))}
  h1{font-size:45px}
  .hero-grid{padding:75px 0}
  .hero-art{min-height:300px}
  .card-art{width:82%;height:210px;padding:28px}
  .card-art:before{font-size:30px}
  .card-art:after{font-size:13px;margin-top:16px}
  .guide-grid,.card-list{grid-template-columns:1fr}
  .guide-card h3{font-size:30px}
  .popular:before{opacity:.18}
  .popular h2{font-size:45px}
  .page-hero h1{font-size:46px}
}