/* ArenaAnywhere — clean business theme (blue/black) */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#0b1220;      /* nav + deep panels */
  --secondary:#0b3d91;    /* buttons / highlights */
  --accent:#3b82f6;       /* links */
  --bg:#050a14;           /* page background */
  --panel:rgba(255,255,255,0.05);
  --panel-2:rgba(255,255,255,0.03);
  --border:rgba(255,255,255,0.10);
  --text:#e5e7eb;
  --text-dim:#9ca3af;
}

body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}

.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* NAV */
.navbar{
  background:rgba(11,18,32,0.85);
  position:sticky;top:0;z-index:1000;
  padding:14px 0;
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(10px);
}
.navbar .container{display:flex;justify-content:space-between;align-items:center}
.nav-brand{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:800;color:var(--text);letter-spacing:0.2px}
.nav-brand i{color:var(--accent)}
.nav-menu{list-style:none;display:flex;gap:1.5rem;align-items:center}
.nav-menu a{color:var(--text-dim);text-decoration:none;transition:color .2s}
.nav-menu a:hover,.nav-menu a.active{color:var(--text)}
.nav-toggle{display:none;background:none;border:none;flex-direction:column;gap:5px;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:var(--text);transition:.2s}

.btn-download{
  background:var(--secondary);
  padding:.55rem 1rem;
  border-radius:10px;
  color:var(--text)!important;
  border:1px solid rgba(59,130,246,0.35);
}

/* HERO */
.hero{
  min-height:78vh;
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;text-align:center;padding:3.5rem 0 2.5rem;
}
.hero-bg{
  position:absolute;inset:0;
  background:radial-gradient(1200px 600px at 50% 0%, rgba(59,130,246,0.22), transparent 55%),
             radial-gradient(900px 500px at 20% 30%, rgba(11,61,145,0.25), transparent 55%),
             linear-gradient(180deg, rgba(11,18,32,0.95), rgba(5,10,20,0.95));
}
.hero-content{position:relative;z-index:1;max-width:860px;margin:0 auto}
.hero-title{font-size:clamp(2.0rem,4.2vw,3.35rem);font-weight:900;margin-bottom:1rem;line-height:1.15}
.hero-subtitle {
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  max-width: 520px;
}
.hero-buttons{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap;margin-top:1.25rem}

.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.8rem 1.35rem;border-radius:12px;text-decoration:none;
  font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .15s, background .15s, border-color .15s, color .15s;
}
.btn-primary{background:var(--secondary);color:var(--text);border-color:rgba(59,130,246,0.25)}
.btn-primary:hover{transform:translateY(-1px);background:#0a4aa8}
.btn-secondary{background:transparent;color:var(--text);border-color:rgba(229,231,235,0.18)}
.btn-secondary:hover{border-color:rgba(59,130,246,0.35);background:rgba(255,255,255,0.04)}
.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.9);
}

.btn-outline:hover {
  border-color: #0070D1;
  color: #ffffff;
}
.btn-large{padding:1rem 1.6rem;font-size:1.03rem}

section{padding:4.25rem 0}

/* SECTIONS */
.section-header{text-align:center;margin-bottom:2.75rem}
.section-tag{
  display:inline-block;
  background:rgba(59,130,246,0.12);
  color:var(--text);
  border:1px solid rgba(59,130,246,0.18);
  padding:.35rem .75rem;border-radius:999px;
  font-size:.85rem;margin-bottom:1rem;
}
.section-header h2{font-size:clamp(1.75rem,3.5vw,2.4rem);margin-bottom:.6rem}
.section-header p{font-size:1.05rem;color:var(--text-dim);max-width:760px;margin:0 auto}

.problem-solution{background:rgba(255,255,255,0.02);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}

.problem-card,.solution-card{
  background:var(--panel);
  border:1px solid var(--border);
  padding:1.6rem;border-radius:16px;
}
.icon-wrapper{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.25rem;margin-bottom:1rem;
  background:rgba(59,130,246,0.12);color:var(--accent);border:1px solid rgba(59,130,246,0.18);
}
.problem-list li,.solution-list li{margin:.55rem 0;display:flex;align-items:center;gap:.6rem;color:var(--text-dim)}
.problem-list i,.solution-list i{color:var(--accent)}

.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem;margin-bottom:2rem}
.feature-card{
  background:var(--panel);
  border:1px solid var(--border);
  padding:1.6rem;border-radius:16px;
  transition:transform .15s, background .15s, border-color .15s;
}
.feature-card:hover{transform:translateY(-2px);border-color:rgba(59,130,246,0.25);background:rgba(255,255,255,0.06)}
.feature-icon{
  width:54px;height:54px;background:rgba(59,130,246,0.12);
  border:1px solid rgba(59,130,246,0.18);
  border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;margin-bottom:.95rem;color:var(--accent);
}

.steps-container{max-width:900px;margin:0 auto}
.step{display:flex;gap:1.25rem;align-items:flex-start}
.step-number{
  width:52px;height:52px;background:rgba(59,130,246,0.12);
  border:1px solid rgba(59,130,246,0.18);
  border-radius:999px;display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;font-weight:900;color:var(--text);flex-shrink:0;
}
.step-line{height:46px;width:2px;background:rgba(59,130,246,0.35);margin-left:25px}

.cta-section{
  background:linear-gradient(180deg, rgba(11,18,32,0.75), rgba(5,10,20,0.95));
  border-top:1px solid var(--border);
  text-align:center;
}
.cta-content{max-width:820px;margin:0 auto}
.cta-content h2{font-size:clamp(1.8rem,3.6vw,2.5rem);margin-bottom:.6rem}
.cta-note{margin-top:1rem;color:var(--text-dim);font-size:.95rem}

.footer{
  background:rgba(11,18,32,0.85);
  border-top:1px solid var(--border);
  padding:2.5rem 0 1.25rem;
}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1.5rem;margin-bottom:1.75rem}
.footer-brand{font-size:1.1rem;font-weight:800;color:var(--text);display:flex;align-items:center;gap:10px;margin-bottom:.75rem}
.footer-brand i{color:var(--accent)}
.footer-col h4{margin-bottom:.75rem}
.footer-col ul{list-style:none}
.footer-col a{color:var(--text-dim);text-decoration:none;display:block;margin:.45rem 0;transition:color .2s}
.footer-col a:hover{color:var(--text)}
.social-links{display:flex;gap:.75rem;margin-top:1rem}
.social-links a{
  width:38px;height:38px;background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:999px;display:flex;align-items:center;justify-content:center;
  color:var(--text);transition:background .15s, transform .15s;
}
.social-links a:hover{background:rgba(59,130,246,0.12);transform:translateY(-1px)}
.footer-bottom{text-align:center;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,0.08);color:var(--text-dim);font-size:.9rem}

/* PAGE HERO */
.page-hero{
  background:linear-gradient(180deg, rgba(11,18,32,0.95), rgba(5,10,20,0.95));
  border-bottom:1px solid var(--border);
  padding:4.75rem 0 3rem;
  text-align:center;
}
.page-hero h1{font-size:clamp(2rem,4.5vw,3rem);margin-bottom:.6rem}
.page-hero p{color:var(--text-dim)}

/* FAQ */
.faq-categories{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap;margin-bottom:2.25rem}
.faq-category{
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.10);
  padding:.65rem 1.1rem;border-radius:12px;color:var(--text);
  cursor:pointer;transition:background .15s, border-color .15s;
}
.faq-category.active,.faq-category:hover{border-color:rgba(59,130,246,0.35);background:rgba(59,130,246,0.10)}
.faq-list{max-width:900px;margin:0 auto}
.faq-list.hidden{display:none}
.faq-item{background:var(--panel);border:1px solid var(--border);margin-bottom:.85rem;border-radius:14px;overflow:hidden}
.faq-question{padding:1.15rem 1.25rem;cursor:pointer;display:flex;align-items:center;gap:.85rem;font-weight:700}
.faq-question:hover{background:rgba(255,255,255,0.03)}
.faq-question i{color:var(--accent);transition:transform .2s}
.faq-item.active .faq-question i{transform:rotate(90deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-item.active .faq-answer{max-height:640px}
.faq-answer p{padding:0 1.25rem 1.15rem;color:var(--text-dim)}
.faq-contact{text-align:center;margin-top:3rem;padding:2.25rem;background:var(--panel);border:1px solid var(--border);border-radius:16px}

/* DOWNLOAD */
.download-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem;margin:2rem 0}
.download-card{background:var(--panel);border:1px solid var(--border);padding:2.25rem 1.6rem;border-radius:16px;text-align:center}
.download-icon{
  width:72px;height:72px;background:rgba(59,130,246,0.12);
  border:1px solid rgba(59,130,246,0.18);
  border-radius:18px;display:flex;align-items:center;justify-content:center;
  font-size:2rem;margin:0 auto 1rem;color:var(--accent);
}
.download-icon.disabled{opacity:.45}
.version{color:var(--text);font-weight:700}
.requirements{color:var(--text-dim);margin:.45rem 0 1.15rem}
.download-note{margin-top:.85rem;font-size:.92rem;color:var(--text-dim)}
.beta-signup{max-width:720px;margin:3rem auto 0;padding:2.25rem;background:var(--panel);border:1px solid var(--border);border-radius:16px;text-align:center}
.beta-form{display:flex;gap:.75rem;margin:1.25rem 0}
.beta-form input{
  flex:1;padding:.95rem 1rem;border-radius:12px;border:1px solid rgba(255,255,255,0.12);
  background:rgba(0,0,0,0.25);color:var(--text);font-size:1rem;
}
.beta-form input:focus{outline:none;border-color:rgba(59,130,246,0.35)}
.form-note{font-size:.9rem;color:var(--text-dim)}

.system-requirements{background:rgba(255,255,255,0.02);border-top:1px solid var(--border)}
.req-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}
.req-card{background:var(--panel);border:1px solid var(--border);padding:1.6rem;border-radius:16px}
.req-card h3{margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}
.req-card ul{list-style:none}
.req-card li{margin:.65rem 0;padding-left:1.2rem;position:relative;color:var(--text-dim)}
.req-card li::before{content:"•";position:absolute;left:0;color:var(--accent);font-weight:900}

/* HOW IT WORKS DETAILS */
.detailed-steps{background:rgba(255,255,255,0.02);border-top:1px solid var(--border)}
.step-detail{margin-bottom:2.5rem}
.step-badge{
  display:inline-block;background:rgba(59,130,246,0.12);border:1px solid rgba(59,130,246,0.18);
  color:var(--text);padding:.35rem .8rem;border-radius:999px;font-weight:800;margin-bottom:1rem
}
.step-detail-content{background:var(--panel);border:1px solid var(--border);padding:2rem;border-radius:16px}
.step-detail h2{margin-bottom:1.2rem;display:flex;align-items:center;gap:.6rem}
.step-grid{display:grid;grid-template-columns:2fr 1fr;gap:2rem;align-items:start}
.step-text h3{margin:1.25rem 0 .65rem}
.step-text ol{margin-left:1.25rem}
.step-text li{margin:.55rem 0;color:var(--text-dim)}
.tip-box,.success-box{
  background:rgba(59,130,246,0.10);
  border:1px solid rgba(59,130,246,0.18);
  padding:1rem;border-radius:14px;margin:1.25rem 0;color:var(--text)
}
.tip-box strong,.success-box strong{color:var(--text)}
.phone-mockup{
  background:rgba(0,0,0,0.20);
  border:1px solid rgba(255,255,255,0.10);
  padding:2rem 1.25rem;border-radius:18px;text-align:center
}
.phone-mockup i{font-size:3rem;color:var(--accent);margin-bottom:.75rem}
.video-section{background:rgba(255,255,255,0.02);border-top:1px solid var(--border);text-align:center}
.video-placeholder{
  max-width:900px;margin:1.75rem auto 0;aspect-ratio:16/9;
  background:var(--panel);border:1px dashed rgba(255,255,255,0.18);
  border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center
}
.video-placeholder i{font-size:3.25rem;color:var(--accent);margin-bottom:.75rem}

/* FEATURES DETAILED */
.features-detailed{background:transparent}
.feature-section{margin-bottom:1.5rem;background:var(--panel);border:1px solid var(--border);padding:2rem;border-radius:16px}
.feature-header{display:flex;align-items:center;gap:1.25rem;margin-bottom:1.1rem}
.feature-icon-large{
  width:70px;height:70px;background:rgba(59,130,246,0.12);
  border:1px solid rgba(59,130,246,0.18);
  border-radius:18px;display:flex;align-items:center;justify-content:center;
  font-size:1.75rem;flex-shrink:0;color:var(--accent)
}
.feature-subtitle{color:var(--text-dim);font-size:.95rem}
.feature-content{padding-left:0}
.feature-points{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.75rem;margin:1.25rem 0}
.point{display:flex;align-items:center;gap:.6rem;background:var(--panel-2);border:1px solid rgba(255,255,255,0.08);padding:.9rem;border-radius:14px;color:var(--text-dim)}
.point i{color:var(--accent)}

.text-center{text-align:center}

@media(max-width:768px){
  .nav-menu{position:fixed;top:64px;left:-100%;width:100%;background:rgba(11,18,32,0.96);flex-direction:column;padding:1.5rem;transition:left .2s;border-top:1px solid var(--border)}
  .nav-menu.active{left:0}
  .nav-toggle{display:flex}
  .hero-buttons{flex-direction:column}
  .step-grid{grid-template-columns:1fr}
  .beta-form{flex-direction:column}
}
.beta-banner{
  margin: 1.25rem auto 0;
  max-width: 820px;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.85);
  display: flex;
  gap: .6rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  text-align: center;
}
.beta-banner strong{
  color: #ffffff;
}
<style>
  .success-check {
    width: 80px;
    height: 80px;
    margin: 20px auto;
    border-radius: 50%;
    border: 6px solid #00ff9d;
    position: relative;
    display: none;
  }

  .success-check::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 25px;
    width: 30px;
    height: 50px;
    border: solid #00ff9d;
    border-width: 0 6px 6px 0;
    transform: rotate(45deg);
    opacity: 0;
    animation: drawCheck 0.6s forwards;
  }

  @keyframes drawCheck {
    0% { transform: rotate(45deg) scale(0); opacity: 0; }
    50% { transform: rotate(45deg) scale(1.2); }
    100% { transform: rotate(45deg) scale(1); opacity: 1; }
  }
</style>