:root{
  --green:#b6ff00;
  --green-soft:rgba(182,255,0,.14);
  --bg:#060606;
  --bg2:#0d1013;
  --card:#151515;
  --card2:#101214;
  --line:#262626;
  --text:#c7ced6;
  --white:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--white);
  font-family:Arial,Helvetica,sans-serif;
  background:
    radial-gradient(circle at 10% 8%, rgba(182,255,0,.08), transparent 18%),
    radial-gradient(circle at 92% 18%, rgba(255,255,255,.04), transparent 18%),
    linear-gradient(180deg,#050505,#090909 38%, #060606);
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(1280px,100%);margin:0 auto}
header{
  position:sticky;top:0;z-index:100;
  background:rgba(5,5,5,.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  width:min(1280px,100%);
  margin:0 auto;
  padding:18px 24px;
  display:flex;justify-content:space-between;align-items:center;
}
.logo{
  font-size:40px;font-weight:900;letter-spacing:.06em;color:var(--green);
}
nav{display:flex;gap:22px;align-items:center}
nav a{
  font-size:14px;font-weight:800;letter-spacing:.05em;color:#fff;
}
nav a:hover{color:var(--green)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 28px;border-radius:999px;
  background:var(--green);color:#000;font-size:14px;font-weight:900;
  letter-spacing:.02em;box-shadow:0 10px 24px rgba(182,255,0,.18);
}
.btn.secondary{
  background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5);box-shadow:none;
}
.btn.small{padding:12px 22px;font-size:13px}
section{padding:88px 24px}
.kicker{
  display:inline-block;padding:8px 16px;border-radius:999px;
  background:#121b00;color:var(--green);font-size:12px;font-weight:900;
  letter-spacing:.16em;text-transform:uppercase;
}
.section-head{
  display:flex;justify-content:space-between;align-items:end;gap:24px;
  margin-bottom:34px;
}
.section-head h2{
  margin:0;font-size:52px;line-height:1;letter-spacing:-.03em;
}
.section-head p{
  max-width:590px;color:var(--text);font-size:18px;line-height:1.75;margin:0;
}
.hero{padding-top:38px}
.hero-grid{
  display:grid;grid-template-columns:1.06fr .94fr;gap:34px;align-items:center;
  min-height:780px;
}
.hero-copy h1{
  margin:18px 0;font-size:84px;line-height:.92;letter-spacing:-.05em;
}
.hero-copy h1 span{color:var(--green)}
.hero-copy p{
  max-width:620px;color:var(--text);font-size:19px;line-height:1.8;margin:0;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.quick-points{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px;
}
.quick-point{
  background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;
}
.quick-point strong{display:block;color:var(--green);font-size:26px;margin-bottom:6px}
.quick-point span{font-size:13px;line-height:1.55;font-weight:700}
.hero-visual{display:grid;gap:18px}
.hero-image{
  position:relative;border-radius:28px;overflow:hidden;border:1px solid var(--line);
  min-height:580px;background:#111;box-shadow:0 30px 50px rgba(0,0,0,.35);
}
.hero-image img{width:100%;height:100%;object-fit:cover}
.hero-overlay{
  position:absolute;left:20px;right:20px;bottom:20px;
  background:linear-gradient(180deg,rgba(0,0,0,.12),rgba(0,0,0,.72));
  border:1px solid rgba(255,255,255,.08);
  border-radius:22px;padding:22px;
}
.hero-overlay h3{margin:0 0 8px;font-size:28px}
.hero-overlay p{margin:0;color:#d9dee4;line-height:1.6}
.badge-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.badge{
  background:var(--card2);border:1px solid var(--line);border-radius:18px;padding:16px;text-align:center;font-weight:800;
}
.badge .icon{display:block;color:var(--green);font-size:24px;margin-bottom:8px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.panel,.card,.feature-card,.manual-card,.training-card,.resource-card,.showcase-card{
  background:var(--card);border:1px solid var(--line);border-radius:28px;
}
.panel{overflow:hidden}
.panel img,.showcase-card img,.feature-visual img,.about-image img,.arena-image img{width:100%;display:block}
.panel-copy,.card-copy,.training-card,.manual-card,.resource-card,.showcase-copy{padding:24px}
.tag{
  display:inline-block;color:var(--green);font-size:12px;font-weight:900;letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px;
}
.panel h3,.showcase-copy h3,.training-card h3,.manual-card h3,.resource-card h3,.card-copy h3{
  margin:0 0 12px;font-size:30px;
}
.panel p,.showcase-copy p,.training-card p,.manual-card p,.resource-card p,.card-copy p{
  margin:0;color:var(--text);line-height:1.75;
}
.list{margin:14px 0 0;padding-left:18px;line-height:1.9}
.band{
  background:linear-gradient(180deg,#0d1013,#0a0d10);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{padding:26px}
.feature-card .num{
  width:50px;height:50px;border-radius:50%;display:grid;place-items:center;
  background:var(--green);color:#000;font-weight:900;margin-bottom:14px;
}
.feature-card h3{margin:0 0 10px;font-size:24px}
.feature-card p{margin:0;color:var(--text);line-height:1.75}
.showcase-layout{display:grid;grid-template-columns:1.02fr .98fr;gap:28px;align-items:center}
.video-preview{
  width:100%;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#000;margin:6px 0 18px;
}
video{width:100%;display:block;background:#000}
.video-actions{display:flex;gap:12px;flex-wrap:wrap}
.visual-banner{
  border:1px solid var(--line);border-radius:28px;overflow:hidden;background:#101010;
  box-shadow:0 18px 36px rgba(0,0,0,.28);
}
.visual-banner img{width:100%;display:block}
.dual-layout{
  display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:center;
}
.highlight-stack{display:grid;gap:22px}
.highlight-card{
  background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px;
}
.highlight-card h3{margin:0 0 10px;font-size:24px}
.highlight-card p{margin:0;color:var(--text);line-height:1.75}
.resource-card .icon{font-size:34px;color:var(--green);margin-bottom:12px}
.about-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;
}
.about-copy,.about-image{
  background:var(--card);border:1px solid var(--line);border-radius:28px;
}
.about-copy{padding:30px}
.about-copy h2{margin:0 0 14px;font-size:52px}
.about-copy p{margin:0;color:var(--text);font-size:18px;line-height:1.85}
.about-image{overflow:hidden}
footer{
  padding:34px 24px;border-top:1px solid var(--line);background:#040404;color:#b8bec6;text-align:center;
}
@media(max-width:1100px){
  .hero-grid,.grid-2,.dual-layout,.showcase-layout,.about-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.badge-row,.quick-points{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start}
  .hero-copy h1{font-size:58px}
}
@media(max-width:760px){
  header{position:static}
  .header-inner{padding:16px 20px}
  nav{display:none}
  section{padding:64px 20px}
  .logo{font-size:34px}
  .hero-copy h1{font-size:44px}
  .section-head h2,.about-copy h2{font-size:36px}
  .feature-grid,.grid-3{grid-template-columns:1fr}
}

.nav-support{
  padding:9px 14px;border:1px solid rgba(182,255,0,.6);border-radius:999px;color:var(--green);
}
.nav-support:hover{background:var(--green-soft)}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:14px;
  background:#101214;color:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
  display:block;width:20px;height:2px;background:currentColor;position:relative;transition:.2s ease;
}
.menu-toggle span:before,.menu-toggle span:after{content:"";position:absolute;left:0}
.menu-toggle span:before{top:-6px}.menu-toggle span:after{top:6px}
.menu-toggle[aria-expanded="true"] span{background:transparent}
.menu-toggle[aria-expanded="true"] span:before{top:0;transform:rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:after{top:0;transform:rotate(-45deg)}
.support-home{
  background:linear-gradient(135deg,rgba(182,255,0,.1),rgba(255,255,255,.025));
  border:1px solid rgba(182,255,0,.25);border-radius:30px;padding:34px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.support-home h2{margin:10px 0 12px;font-size:46px;letter-spacing:-.03em}
.support-home p{margin:0;max-width:760px;color:var(--text);font-size:17px;line-height:1.75}
@media(max-width:760px){
  header{position:sticky}
  .menu-toggle{display:flex}
  nav{
    display:none;position:absolute;left:16px;right:16px;top:76px;padding:16px;
    flex-direction:column;align-items:stretch;gap:4px;background:rgba(9,9,9,.98);
    border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 50px rgba(0,0,0,.45);
  }
  nav.open{display:flex}
  nav a{padding:12px 14px;border-radius:12px}
  nav a:hover{background:#151515}
  .nav-support{border:1px solid rgba(182,255,0,.55)}
  .support-home{align-items:flex-start;flex-direction:column;padding:26px}
  .support-home h2{font-size:36px}
}

/* ---- shared additions ---- */
.page-hero{padding:72px 24px 40px}
.page-hero h1{margin:16px 0;font-size:64px;line-height:1;letter-spacing:-.04em}
.page-hero h1 span{color:var(--green)}
.page-hero p{max-width:760px;color:var(--text);font-size:19px;line-height:1.8;margin:0}
.crumbs{font-size:13px;color:#8f969f;margin-bottom:6px}
.crumbs a:hover{color:var(--green)}
.spec{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.spec th,.spec td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:16px;line-height:1.6;vertical-align:top}
.spec th{width:34%;color:var(--green);font-weight:800}
.spec td{color:var(--text)}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.faq-list{display:grid;gap:12px}
.faq-list details{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 22px}
.faq-list summary{cursor:pointer;font-weight:800;font-size:17px}
.faq-list details p{margin:12px 0 0;color:var(--text);line-height:1.75}
.faq-group{margin:34px 0 14px;font-size:26px}
.prose{max-width:820px}
.prose h2{font-size:30px;margin:38px 0 10px}
.prose p,.prose li{color:var(--text);line-height:1.85;font-size:17px}
.prose a{color:var(--green)}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.steps .card{padding:26px;counter-increment:s}
.steps .card:before{content:counter(s);width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#000;font-weight:900;margin-bottom:14px}
.steps h3{margin:0 0 8px;font-size:22px}.steps p{margin:0;color:var(--text);line-height:1.7}
.cta-band{background:linear-gradient(135deg,rgba(182,255,0,.1),rgba(255,255,255,.025));border:1px solid rgba(182,255,0,.25);border-radius:30px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{margin:0 0 8px;font-size:38px}.cta-band p{margin:0;color:var(--text);line-height:1.7}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;max-width:1280px;margin:0 auto 24px;text-align:left}
.footer-cols h4{margin:0 0 10px;color:#fff;font-size:14px;letter-spacing:.08em;text-transform:uppercase}
.footer-cols a{display:block;padding:4px 0;color:#b8bec6}.footer-cols a:hover{color:var(--green)}
.footer-cols p{margin:0;line-height:1.7;max-width:320px}
.footer-bottom{border-top:1px solid var(--line);padding-top:20px;font-size:13px}
.notice{font-size:13px;color:#8f969f;line-height:1.7;margin-top:14px}
@media(max-width:1100px){.steps{grid-template-columns:repeat(2,1fr)}.footer-cols{grid-template-columns:1fr 1fr}.cta-band{flex-direction:column;align-items:flex-start}}
@media(max-width:760px){.page-hero h1{font-size:42px}.steps,.footer-cols{grid-template-columns:1fr}.spec th,.spec td{display:block;width:100%}.spec th{border-bottom:0;padding-bottom:0}.cta-band h2{font-size:30px}}

/* ---- video course ---- */
.player-wrap{max-width:1000px;margin:0 auto}
.player{border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#000;box-shadow:0 30px 50px rgba(0,0,0,.35)}
.player video{width:100%;aspect-ratio:16/9;display:block;background:#000}
.player-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin:20px 0 10px}
.player-nav{display:flex;gap:10px}
.player-nav button{cursor:pointer;font-family:inherit}
.autoplay{display:flex;gap:8px;align-items:center;color:var(--text);font-size:14px;cursor:pointer}
.autoplay input{accent-color:#b6ff00;width:18px;height:18px}
.level{margin-bottom:34px}.level:last-child{margin-bottom:0}
.level-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;flex-wrap:wrap}.level-head h3{margin:0;font-size:26px}.level-head .tag{margin:0}
.lessons{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.lesson{all:unset;box-sizing:border-box;cursor:pointer;display:block;background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:.15s}
.lesson:hover{border-color:rgba(182,255,0,.6);transform:translateY(-2px)}
.lesson:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.lesson.active{border-color:var(--green);box-shadow:0 0 0 1px var(--green)}
.lesson .thumb{position:relative;display:block;aspect-ratio:16/9;background:#000}
.lesson .thumb img{width:100%;height:100%;object-fit:cover}
.lesson .thumb:after{content:"\25B6";position:absolute;inset:0;display:grid;place-items:center;font-size:30px;color:#fff;background:rgba(0,0,0,.28);text-shadow:0 2px 8px #000}
.lesson.active .thumb:after{content:"Now playing";font-size:14px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;color:var(--green)}
.lesson .dur{position:absolute;right:8px;bottom:8px;z-index:1;background:rgba(0,0,0,.75);color:#fff;font-size:12px;font-weight:800;padding:3px 8px;border-radius:8px}
.lesson .lt{display:block;padding:14px 16px;font-weight:800;font-size:15px;color:#fff}
@media(max-width:1100px){.lessons{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.lessons{grid-template-columns:1fr}.player-nav{width:100%}.player-nav button{flex:1}}