:root{color-scheme:dark;--bg:#080e1b;--panel:#111b2d;--ink:#f3f6ff;--muted:#a4b2ca;--line:#28364e;--blue:#70c9ff;--lime:#c7fa6b;--radius:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:radial-gradient(ellipse at 90% 0%,#15315280,transparent 38%),var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}
a{color:inherit;text-decoration:none}
a,summary{ -webkit-tap-highlight-color:transparent}
a:focus-visible,summary:focus-visible,iframe:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
p,h1,h2,h3{margin:0}
p{color:var(--muted)}
.page-width{width:min(1280px,calc(100% - 64px));margin-inline:auto}
.skip-link{position:absolute;top:12px;left:16px;z-index:10;transform:translateY(-180%);padding:12px 18px;background:var(--lime);color:var(--bg);border-radius:8px}
.skip-link:focus{transform:none}
.site-header{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;font-weight:750;font-size:19px;letter-spacing:-.5px}
.brand-icon{display:grid;grid-template-columns:repeat(2,9px);gap:3px;transform:rotate(-8deg)}
.brand-icon i{height:9px;background:var(--lime)}
.brand-icon i:last-child{grid-column:2;background:var(--blue)}
.edition{font-size:10px;color:var(--muted);letter-spacing:1px;border:1px solid var(--line);padding:3px 7px;border-radius:4px}
.site-header nav{display:flex;gap:28px;align-items:center;font-size:14px;font-weight:650}
.site-header nav a{display:inline-flex;min-height:44px;align-items:center}
.site-header nav a:hover,.arena-bottom a:hover{color:var(--lime)}
.nav-play{color:var(--lime);gap:12px}
.hero{position:relative;display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:center;padding:58px 0 52px}
.eyebrow{font-size:11px;letter-spacing:1.7px;text-transform:uppercase;font-weight:750;color:var(--blue);display:flex;align-items:center;gap:10px}
.status-dot{display:inline-block;width:7px;height:7px;flex:none;border-radius:50%;background:var(--lime);box-shadow:0 0 14px #c7fa6b60}
h1{font-size:clamp(70px,8.4vw,114px);font-weight:850;letter-spacing:-7px;line-height:1.12;margin:14px 0 12px}
.title-dot{color:var(--lime)}
.hero-line{font-size:clamp(18px,2vw,24px);font-weight:650;letter-spacing:-.6px;color:var(--ink)}
.hero-line span{color:var(--blue)}
.hero-description{font-size:15px;max-width:580px;margin-top:18px;line-height:1.8}
.hero-actions{display:flex;align-items:center;gap:24px;margin-top:24px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:32px;min-height:52px;padding:12px 24px;border-radius:8px;background:var(--lime);color:var(--bg);font-size:15px;font-weight:750;box-shadow:0 5px 28px #c7fa6b12;transition:background .15s,transform .15s}
.button:hover{background:#dbff9e;transform:translateY(-2px)}
.hero-note{font-size:12px;color:var(--muted)}
.brick-art{height:280px;position:relative;max-width:400px;width:100%;justify-self:end;background:linear-gradient(#70c9ff07 1px,transparent 1px),linear-gradient(90deg,#70c9ff07 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,#000 85%,transparent)}
.art-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;transform:perspective(500px) rotateY(-14deg) rotateZ(-10deg);margin:20px 24px 0}
.art-grid i{height:35px;border:1px solid #70c9ff80;background:#70c9ff20;border-radius:4px;box-shadow:inset 0 2px #ffffff20}
.art-grid i:nth-child(n+5){border-color:#c7fa6b80;background:#c7fa6b20}
.art-grid i:nth-child(7),.art-grid i:nth-child(11){visibility:hidden}
.art-grid i:nth-child(n+9){background:#70c9ff80}
.art-trajectory{position:absolute;width:125px;height:126px;left:48%;top:106px;border-left:1px dashed #70c9ff80;border-bottom:1px dashed #70c9ff80;transform:rotate(-27deg)}
.art-ball{position:absolute;top:174px;left:51%;width:14px;height:14px;border-radius:50%;background:var(--lime);box-shadow:0 0 22px #c7fa6b90}
.art-paddle{position:absolute;width:100px;height:11px;bottom:36px;left:34%;background:var(--blue);border-radius:4px;transform:rotate(-10deg);box-shadow:0 0 30px #70c9ff30}
.art-label{position:absolute;bottom:0;left:24px;font-size:8px;letter-spacing:2px;color:var(--muted)}
.section-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}
.section-bar h2{font-size:21px;letter-spacing:-.6px;font-weight:700}
.section-number{color:var(--blue);font-size:11px;letter-spacing:1px;vertical-align:middle;margin-right:15px;font-weight:500}
.section-tag{color:var(--muted);font-size:11px;letter-spacing:.3px}
.play-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;align-items:stretch}
.arena{border:1px solid #3a5875;border-radius:var(--radius);overflow:hidden;background:#080d16;box-shadow:0 20px 80px #00000030;min-width:0}
.arena-top,.arena-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 20px;font-size:10px;letter-spacing:1.3px;color:var(--muted)}
.arena-top{border-bottom:1px solid var(--line)}
.arena-top>span:first-child{display:flex;align-items:center;gap:10px;color:var(--blue)}
.game-frame{display:block;border:0;width:100%;height:clamp(520px,49vw,690px);background:#161512}
.arena-bottom{border-top:1px solid var(--line);font-size:11px;letter-spacing:0;flex-wrap:wrap}
.arena-bottom a{color:var(--blue);min-height:32px;display:inline-flex;align-items:center;gap:8px}
.controls{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:26px 23px;scroll-margin-top:24px}
.controls .eyebrow{font-size:9px;letter-spacing:1.2px}
.controls h3{font-size:26px;line-height:1.2;letter-spacing:-1px;margin:16px 0}
.controls>p:not(.eyebrow){font-size:13px}
.control-list{margin:22px 0 0}
.control-list>div{border-top:1px solid var(--line);padding:18px 0}
dt{font-size:12px;font-weight:750;margin-bottom:9px}
dd{margin:0;color:var(--muted);font-size:12px;line-height:1.7}
.keys{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-bottom:9px}
.keys>span{font-size:10px;margin-inline:3px}
kbd{font-family:inherit;font-weight:650;font-size:11px;min-width:28px;text-align:center;padding:3px 6px;color:var(--ink);border:1px solid #455673;border-bottom-width:3px;border-radius:5px;background:#1b2a41}
.control-tip{border-left:2px solid var(--lime);padding-left:12px;margin-top:6px;font-size:11px!important}
.control-tip>span{color:var(--lime)}
.power-section{padding:64px 0}
.section-intro{font-size:14px;max-width:670px;margin-top:-8px;margin-bottom:26px}
.power-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.power-card{padding:25px 22px;background:linear-gradient(150deg,#142137,var(--panel));border:1px solid var(--line);border-radius:12px}
.power-symbol{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;font-size:27px;margin-bottom:20px}
.life{background:#c7fa6b14;color:var(--lime)}
.wide{background:#70c9ff14;color:var(--blue)}
.slow{background:#ffd17214;color:#ffd172}
.multi{background:#c69bff14;color:#c69bff}
.power-card h3{font-size:16px;letter-spacing:-.4px;margin-bottom:9px}
.power-card p{font-size:13px;line-height:1.8}
.tips-section{padding:44px 0 60px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 1.2fr;gap:80px}
.tips-heading h2{font-size:clamp(28px,3.2vw,42px);line-height:1.2;letter-spacing:-1.4px;margin:20px 0}
.tips-heading h2 span{color:var(--blue)}
.tips-heading>p:last-child{max-width:390px;font-size:14px}
.tips-list{list-style:none;counter-reset:tip;margin:0;padding:0;display:grid;gap:26px}
.tips-list li{counter-increment:tip;position:relative;padding-left:50px}
.tips-list li::before{content:"0" counter(tip);position:absolute;left:0;top:1px;color:var(--lime);font-size:12px;font-weight:650;letter-spacing:1px}
.tips-list h3{font-size:17px;margin-bottom:8px;letter-spacing:-.3px}
.tips-list p{font-size:13px;line-height:1.8}
.faq-section{padding:60px 0 40px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;align-items:start}
details{border-bottom:1px solid var(--line)}
summary{min-height:74px;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:16px 4px;cursor:pointer;font-size:14px;font-weight:650;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:22px;font-weight:400;color:var(--blue);flex:none}
details[open] summary::after{content:"−"}
details p{font-size:13px;padding:0 26px 22px 4px;line-height:1.8}
.last-call{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid #c7fa6b30;background:linear-gradient(100deg,#c7fa6b0c,transparent);padding:28px 32px;border-radius:12px;margin:12px 0 56px}
.last-call p{color:var(--ink);font-size:24px;font-weight:650;letter-spacing:-.8px}
.site-footer{padding:32px 0 38px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:28px}
.footer-brand{font-size:20px;font-weight:750;letter-spacing:-.5px}
.site-footer p{font-size:11px;margin-top:6px}
.language-nav{display:flex;gap:8px;flex-wrap:wrap}
.language-nav a{display:inline-flex;align-items:center;min-height:44px;padding:6px 10px;color:var(--muted);font-size:12px;border-radius:6px}
.language-nav a:hover{color:var(--ink);background:var(--panel)}
.language-nav a[aria-current="page"]{color:var(--lime);background:#c7fa6b0c}
@media(max-width:1050px){.play-layout{grid-template-columns:minmax(0,1fr) 260px;gap:16px}.controls{padding:24px 18px}.hero{gap:20px}.tips-section{gap:40px}.power-card{padding:22px 18px}.site-footer{align-items:flex-start;flex-direction:column}}
@media(max-width:850px){.play-layout{grid-template-columns:1fr}.controls{padding:24px}.control-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.controls h3 br{display:none}.controls h3{font-size:24px}.power-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{grid-template-columns:1.6fr 1fr}.brick-art{height:240px}.art-grid{gap:6px;margin-inline:0}.art-grid i{height:25px}.art-label{display:none}h1{font-size:82px;letter-spacing:-5px}.tips-section{grid-template-columns:1fr;gap:32px}.tips-heading>p:last-child{max-width:650px}.game-frame{height:600px}}
@media(max-width:600px){.page-width{width:calc(100% - 32px)}.site-header{min-height:76px;gap:12px}.brand{font-size:16px;gap:9px}.site-header nav{gap:12px}.site-header nav>a:not(.nav-play){display:none}.site-header nav a{font-size:12px}.hero{grid-template-columns:1fr;padding:36px 0 38px;gap:0}.brick-art{display:none}h1{font-size:clamp(57px,16vw,88px);letter-spacing:-4px;margin-top:12px}.hero-line{font-size:18px;line-height:1.5}.hero-line span{display:block}.hero-description{font-size:14px;margin-top:14px}.hero-actions{gap:16px;margin-top:22px}.hero-note{font-size:11px}.section-bar{gap:12px;align-items:flex-start;flex-direction:column;margin-bottom:16px}.section-bar h2{font-size:19px}.section-number{margin-right:10px}.section-tag{padding-left:36px}.arena-top{padding:12px;font-size:8px;letter-spacing:1px}.arena-top>span:last-child{display:none}.game-frame{height:540px}.arena-bottom{padding:12px;font-size:10px;gap:4px}.control-list{grid-template-columns:1fr;gap:0}.control-list>div{padding:16px 0}.controls h3{font-size:25px}.power-section{padding:42px 0}.section-intro{font-size:13px;margin-top:0}.power-grid{gap:12px}.power-card{padding:20px 14px}.power-card h3{font-size:14px}.power-card p{font-size:12px}.power-symbol{margin-bottom:14px}.tips-section{padding:34px 0}.tips-heading h2{font-size:32px}.tips-list li{padding-left:38px}.faq-section{padding:40px 0 30px}.faq-grid{grid-template-columns:1fr}summary{min-height:68px;font-size:13px}.last-call{padding:22px 18px;margin-bottom:36px}.last-call p{font-size:19px}.last-call .button{padding:12px 16px;gap:18px;font-size:13px}.site-footer{padding:26px 0}.language-nav{gap:3px}.language-nav a{padding:6px 9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}