:root{
  --sky:#2fa8dd;
  --sky-dark:#1c6f96;
  --red:#d8281c;
  --red-dark:#9e1810;
  --sun:#f7c948;
  --grass:#7bab3e;
  --ink:#22303a;
  --ink-soft:#4d5f6b;
  --cream:#fff9ec;
  --paper:#ffffff;
  --line:#e2d9c4;
  --shadow:0 6px 0 rgba(0,0,0,.12);
  --radius:14px;
  --wrap:1120px;
  --font-title:"Trebuchet MS","Verdana",sans-serif;
  --font-body:"Georgia","Times New Roman",serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.72;
  color:var(--ink);
  background:var(--cream);
  background-image:repeating-linear-gradient(135deg,rgba(0,0,0,.012) 0 12px,transparent 12px 24px);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--red-dark)}
a:hover{color:var(--red)}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 18px}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(47,168,221,.92);backdrop-filter:blur(8px);border-bottom:4px solid var(--red)}
.head-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 0}
.brand{display:flex;align-items:center;text-decoration:none;flex:0 0 auto}
.brand img.logo-img{width:auto;height:46px;display:block;filter:drop-shadow(0 2px 3px rgba(0,0,0,.25))}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{font-family:var(--font-title);font-size:14px;text-decoration:none;color:#fff;padding:7px 11px;border-radius:20px}
.nav a:hover{background:rgba(255,255,255,.2);color:#fff}
.nav a.active{background:#fff;color:var(--sky-dark)}
.burger{display:none;background:var(--red);color:#fff;border:2px solid #fff;border-radius:10px;font-size:20px;line-height:1;padding:8px 12px;cursor:pointer}
@media(max-width:940px){
  .burger{display:block}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;width:100%;flex-direction:column;padding:8px 18px 14px;background:var(--sky-dark);border-bottom:4px solid var(--red);box-shadow:0 12px 24px rgba(0,0,0,.25)}
  .nav.open{display:flex}
  .nav a{background:rgba(255,255,255,.12);padding:10px 12px}
}
.cta.hero-cta{display:none}

/* hero */
.hero{background:linear-gradient(180deg,#57c6f0 0%,#8fdcf6 60%,#cdeeb0 100%);border-bottom:6px solid var(--grass);padding:26px 0 30px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}}
.hero h1{font-family:var(--font-title);font-size:34px;line-height:1.15;margin:6px 0 12px;color:#fff;text-shadow:0 3px 0 var(--red-dark),0 5px 10px rgba(0,0,0,.25)}
.hero p.lead{margin:0 0 14px;font-size:18px;color:#16323f}
.hero img{border-radius:var(--radius);border:5px solid #fff;box-shadow:var(--shadow)}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px;padding:0;list-style:none}
.badges li{background:#fff;border:2px solid var(--red);color:var(--red-dark);font-family:var(--font-title);font-size:13px;padding:4px 10px;border-radius:999px}
.crumbs{font-size:13px;color:#16323f;margin:0 0 4px}
.crumbs a{color:#16323f}

/* breadcrumbs */
.breadcrumbs{margin:18px 0 8px;font-size:14px;color:var(--ink-soft)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.breadcrumbs li{display:flex;align-items:center;gap:6px}
.breadcrumbs li:not(:last-child)::after{content:">";color:var(--sky-dark);font-family:var(--font-title)}
.breadcrumbs a{color:var(--red-dark);text-decoration:none}
.breadcrumbs a:hover{text-decoration:underline}
.breadcrumbs span[itemprop="name"]{color:var(--ink)}
@media(max-width:640px){.breadcrumbs{font-size:13px;margin:14px 0 6px}}

main{padding:28px 0 10px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px;align-items:start}
@media(max-width:1000px){.layout{grid-template-columns:minmax(0,1fr)}}
article h2{font-family:var(--font-title);font-size:26px;line-height:1.25;margin:34px 0 10px;color:var(--sky-dark);border-bottom:3px dotted var(--line);padding-bottom:6px}
article h3{font-family:var(--font-title);font-size:20px;margin:22px 0 8px;color:var(--red-dark)}
article p{margin:0 0 14px}
article ul,article ol{margin:0 0 16px;padding-left:22px}
article li{margin-bottom:6px}
figure{margin:20px 0;background:var(--paper);border:2px solid var(--line);border-radius:var(--radius);padding:10px}
figure img{border-radius:8px}
figcaption{font-size:14px;color:var(--ink-soft);padding-top:8px;text-align:center}

/* author */
.author{display:flex;gap:14px;align-items:center;background:var(--paper);border:2px solid var(--line);border-left:7px solid var(--red);border-radius:var(--radius);padding:12px 14px;margin:0 0 22px}
.author .ava{flex:0 0 auto;width:80px;height:80px;border-radius:50%;object-fit:cover;display:block;border:4px solid #fff;box-shadow:0 0 0 2px var(--line);background:#dbe9f2}
.author p{margin:0;font-size:14.5px;line-height:1.55}
.author strong{font-family:var(--font-title);font-size:16px}

/* boxes */
.box{border-radius:var(--radius);padding:14px 16px;margin:20px 0;border:2px solid;background:var(--paper)}
.box p:last-child{margin-bottom:0}
.box b.t{display:block;font-family:var(--font-title);margin-bottom:5px}
.box.info{border-color:var(--sky);background:#eaf7fd}
.box.tip{border-color:var(--grass);background:#f1f8e6}
.box.warn{border-color:var(--red);background:#fdeeec}
.box.quote{border-color:var(--sun);background:#fffaea;font-style:italic}
.box.quote span.who{display:block;font-style:normal;font-size:13.5px;color:var(--ink-soft);margin-top:6px}

table{width:100%;border-collapse:collapse;margin:18px 0;background:var(--paper);font-size:15.5px}
caption{caption-side:top;text-align:left;font-family:var(--font-title);font-size:15px;padding-bottom:6px;color:var(--ink-soft)}
th,td{border:1px solid var(--line);padding:9px 11px;text-align:left}
thead th{background:var(--sky);color:#fff;font-family:var(--font-title)}
tbody tr:nth-child(even){background:#fbf7ec}

.rating{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center;background:#fff;border:3px solid var(--sun);border-radius:var(--radius);padding:16px;margin:0 0 22px}
@media(max-width:560px){.rating{grid-template-columns:1fr}}
.score{font-family:var(--font-title);font-size:42px;text-align:center;color:#fff;background:var(--red);border-radius:12px;padding:12px 0;line-height:1}
.score small{display:block;font-size:14px;opacity:.85}
.rating p{margin:0;font-size:15.5px}

.pc{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
@media(max-width:640px){.pc{grid-template-columns:1fr}}
.pc div{border-radius:var(--radius);padding:12px 16px;background:var(--paper);border:2px solid}
.pc .pros{border-color:var(--grass)}
.pc .cons{border-color:var(--red)}
.pc h4{font-family:var(--font-title);margin:0 0 8px;font-size:17px}
.pc ul{margin:0;padding-left:20px;font-size:15.5px}

.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:10px 12px 10px 52px;background:var(--paper);border:2px solid var(--line);border-radius:var(--radius);margin-bottom:10px}
.steps li::before{content:counter(s);position:absolute;left:12px;top:10px;width:28px;height:28px;border-radius:50%;background:var(--sky);color:#fff;display:grid;place-items:center;font-family:var(--font-title)}

.cta{display:block;text-align:center;background:linear-gradient(180deg,#f04b3c,#c3190e);color:#fff !important;text-decoration:none;font-family:var(--font-title);font-size:19px;padding:14px 20px;border-radius:999px;border:3px solid #fff;box-shadow:0 5px 0 var(--red-dark),0 10px 18px rgba(0,0,0,.18);margin:22px auto;max-width:520px}
.cta:hover{filter:brightness(1.06)}
.cta small{display:block;font-size:12.5px;font-weight:400;opacity:.9;font-family:var(--font-body)}

.faq details{background:var(--paper);border:2px solid var(--line);border-radius:var(--radius);padding:10px 14px;margin-bottom:10px}
.faq summary{font-family:var(--font-title);cursor:pointer;font-size:17px}
.faq details[open] summary{color:var(--red-dark);margin-bottom:8px}

.links-inline{background:#eaf7fd;border:2px dashed var(--sky);border-radius:var(--radius);padding:12px 16px;margin:22px 0;font-size:15.5px}
.links-inline b{font-family:var(--font-title)}

/* sidebar */
.side{position:sticky;top:86px;display:grid;gap:16px}
@media(max-width:1000px){.side{position:static}}
.card{background:var(--paper);border:2px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.card h3{font-family:var(--font-title);margin:0 0 8px;font-size:17px;color:var(--sky-dark)}
.card ul{margin:0;padding-left:18px;font-size:15px}
.card.bonus{border-color:var(--red);box-shadow:0 0 0 4px rgba(216,40,28,.12)}
.toc a{display:block;font-size:14.5px;padding:3px 0;text-decoration:none}
.share{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.share a,.share button{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-title);font-size:13.5px;text-decoration:none;background:var(--paper);border:2px solid var(--line);border-radius:999px;padding:6px 12px;color:var(--ink);cursor:pointer}
.share a:hover,.share button:hover{border-color:var(--sky);color:var(--sky-dark)}

.fact{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0}
@media(max-width:700px){.fact{grid-template-columns:repeat(2,1fr)}}
.fact div{background:var(--sky);color:#fff;border-radius:var(--radius);padding:12px;text-align:center;border:3px solid #fff;box-shadow:var(--shadow)}
.fact b{display:block;font-family:var(--font-title);font-size:22px}
.fact span{font-size:13px}

.changelog{font-size:15px;padding-left:18px}
.changelog li{margin-bottom:5px}

/* footer */
.site-foot{margin-top:40px;background:var(--ink);color:#cdd8df;padding:26px 0 18px;font-size:14.5px;border-top:6px solid var(--red)}
.site-foot a{color:#ffd76b;text-decoration:none}
.site-foot a:hover{text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr}}
.foot-grid h4{font-family:var(--font-title);color:#fff;margin:0 0 8px;font-size:16px}
.foot-grid ul{list-style:none;margin:0;padding:0}
.foot-grid li{margin-bottom:5px}
.disclaimer{margin-top:20px;border-top:1px solid #3c4c57;padding-top:14px;font-size:13px;color:#9fb0bb}
.age{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;border:2px solid #ff6b5e;color:#ff6b5e;font-family:var(--font-title);font-size:13px;margin-right:8px;float:left}

#top{position:fixed;right:16px;bottom:16px;display:none;background:var(--red);color:#fff;border:3px solid #fff;border-radius:50%;width:46px;height:46px;font-size:20px;cursor:pointer;box-shadow:var(--shadow);z-index:60}
#top.show{display:block}

/* mobile optimization */
@media(max-width:640px){
  body{font-size:16px;line-height:1.65}
  .wrap{padding:0 14px}
  .crumbs{font-size:12px}
  .brand img.logo-img{height:38px}
  .hero{padding:16px 0 22px}
  .hero h1{font-size:25px;text-shadow:0 2px 0 var(--red-dark),0 4px 8px rgba(0,0,0,.22)}
  .hero p.lead{font-size:16px}
  .cta.hero-cta{display:block;margin:14px auto 4px;font-size:16px;padding:12px 18px}
  .badges li{font-size:12px;padding:3px 9px}
  main{padding:20px 0 6px}
  article h2{font-size:21px;margin:26px 0 8px}
  article h3{font-size:18px}
  .author{gap:10px;padding:10px 12px}
  .author .ava{width:58px;height:58px;border-width:3px}
  .author p{font-size:13.5px}
  .author strong{font-size:14.5px}
  table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;font-size:13.5px}
  th,td{padding:7px 9px;white-space:nowrap}
  .rating{grid-template-columns:96px 1fr;padding:12px;gap:12px}
  .score{font-size:32px;padding:9px 0}
  .rating p{font-size:14px}
  .box{padding:12px 13px;font-size:15px}
  .pc div{padding:10px 13px}
  .pc ul{font-size:14.5px}
  .fact{gap:8px;margin:16px 0}
  .fact div{padding:9px 6px}
  .fact b{font-size:18px}
  .fact span{font-size:11.5px}
  .steps li{padding:9px 10px 9px 46px;font-size:15px}
  .steps li::before{left:10px;top:9px;width:24px;height:24px;font-size:13px}
  .cta{font-size:16.5px;padding:12px 16px;margin:18px auto}
  .cta small{font-size:11.5px}
  .faq summary{font-size:15.5px}
  .links-inline{font-size:14px;padding:10px 13px}
  .card{padding:12px 13px}
  .share a,.share button{font-size:12.5px;padding:5px 10px}
  figcaption{font-size:13px}
  .foot-grid{gap:16px}
  #top{width:42px;height:42px;font-size:18px;right:12px;bottom:12px}
}
@media(max-width:380px){
  .hero h1{font-size:22px}
  .rating{grid-template-columns:1fr}
}