/* -------------------------
   Base / variables
   -------------------------*/
:root{
  --bg:#05050a;
  --panel:#0f172020;
  --muted:#9aa3b2;
  --neon-blue:#00eaff;
  --neon-purple:#b026ff;
  --glass: rgba(255,255,255,0.04);
  --radius:14px;
  --max-width:1200px;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:
    radial-gradient(800px 400px at 10% 10%, rgba(176,39,255,0.04), transparent),
    linear-gradient(180deg,var(--bg), #07101a 100%);
  color:#eaf6ff;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
}

/* layout */
.sidebar{
  width:85px;
  position:fixed;
  left:0;
  top:0;
  bottom:0;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-right:1px solid rgba(255,255,255,0.03);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:18px;
  padding:18px 8px;
  z-index:40;
}
.brand{display:flex;flex-direction:column;align-items:center;gap:6px}
.brand-short{color:var(--neon-blue);font-weight:900;font-size:1.6rem;text-shadow:0 4px 24px rgba(0,234,255,0.08)}
.brand-full{display:none;font-weight:800;color:#cfeeff}

.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:10px;width:100%}
.side-nav a{display:block;text-decoration:none;color:var(--muted);font-weight:700;font-size:.86rem;text-align:center;padding:10px 4px;border-radius:10px}
.side-nav a:hover{color:var(--neon-blue);background:rgba(0,234,255,0.03);box-shadow:0 6px 30px rgba(0,234,255,0.03)}

/* sidebar CTA */
.sidebar-cta{margin-top:auto;padding-bottom:10px}
.btn{cursor:pointer;border-radius:10px;padding:8px 12px;border:none;font-weight:800}
.btn.small{padding:6px 10px}
.btn.neon{background:linear-gradient(90deg,var(--neon-blue),var(--neon-purple));color:#07101a;box-shadow:0 10px 40px rgba(176,39,255,0.05)}
.btn.outline{background:transparent;border:2px solid rgba(255,255,255,0.04);color:var(--neon-blue)}

/* topbar (mobile) */
.topbar{
  display:none;
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:64px;
  align-items:center;
  gap:12px;
  padding:12px;
  z-index:60;
  background:linear-gradient(180deg, rgba(2,6,23,0.6), rgba(2,6,23,0.85));
  border-bottom:1px solid rgba(255,255,255,0.02);
}
.hamburger{width:44px;height:44px;border-radius:10px;border:none;background:transparent;display:flex;align-items:center;justify-content:center;cursor:pointer}
.hamburger span{display:block;width:18px;height:2px;background:linear-gradient(90deg,#fff,#a8f0ff);margin:3px 0;border-radius:2px;transition:transform .25s}

/* main */
.main{margin-left:85px;padding-bottom:60px}
.section{padding:60px 40px 80px;max-width:var(--max-width);margin:0 auto}

/* HERO */
.hero{display:grid;grid-template-columns:1fr 520px;gap:36px;align-items:center;min-height:calc(100vh - 40px);padding-top:60px}
.hero-left h1{font-size:clamp(28px,4vw,48px);line-height:1.05;margin-bottom:14px}
.hero-left h1 span{background:linear-gradient(90deg,var(--neon-blue),var(--neon-purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lead{color:var(--muted);max-width:48ch;margin:12px 0}
.hero-actions{margin-top:18px;display:flex;gap:12px}
.hero-stats{display:flex;gap:18px;margin-top:22px}
.hero-stats strong{color:#fff;font-size:1.25rem}
.hero-right .hero-card{background:var(--panel);border-radius:16px;padding:0;overflow:hidden;border:1px solid rgba(255,255,255,0.03);box-shadow:0 20px 60px rgba(0,0,0,0.6)}
.hero-right img{width:100%;height:100%;object-fit:cover;display:block}

/* WHY (features) */
.why .section-head{margin-bottom:18px;text-align:center}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
.why-item{display:flex;gap:14px;align-items:flex-start;background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);padding:16px;border-radius:12px;border:1px solid rgba(255,255,255,0.02)}
.why-item .icon{font-size:1.8rem}

/* PROGRAMS - horizontal track */
.programs .section-head{margin-bottom:14px;text-align:center}
.programs-wrap{position:relative;display:flex;align-items:center}
.slide-btn{background:linear-gradient(90deg,var(--neon-blue),var(--neon-purple));border:none;color:#041018;width:44px;height:44px;border-radius:999px;cursor:pointer;box-shadow:0 10px 30px rgba(0,234,255,0.06);z-index:10}
.programs-track{display:flex;gap:18px;overflow-x:auto;padding:12px 6px;scroll-behavior:smooth}
.program{min-width:320px;background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,0.02)}
.program img{width:100%;height:180px;object-fit:cover}
.program-body{padding:12px}

/* TRAINERS */
.trainer-grid{display:flex;gap:20px;justify-content:center;margin-top:18px}
.trainer-card{width:200px;background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);padding:16px;border-radius:16px;text-align:center;border:1px solid rgba(255,255,255,0.02)}
.trainer-card img{width:110px;height:110px;border-radius:999px;object-fit:cover;margin-bottom:8px}

/* TESTIMONIALS */
.testi-wrap{display:flex;gap:18px;overflow:auto;padding:8px 2px}
.testi-card{min-width:260px;background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);padding:14px;border-radius:12px;border:1px solid rgba(255,255,255,0.02)}
.muted{color:var(--muted)}

/* CONTACT */
.contact{display:grid;grid-template-columns:1fr 420px;gap:28px;align-items:start}
.contact-left{padding:6px 10px}
.contact-form{display:flex;flex-direction:column;gap:12px;background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:18px;border-radius:12px;border:1px solid rgba(255,255,255,0.02)}
.contact-form input,.contact-form textarea,.contact-form select{padding:12px;border-radius:8px;border:none;background:rgba(255,255,255,0.03);color:inherit}

/* FOOTER */
.footer{text-align:center;padding:30px 20px;color:var(--muted);font-size:.95rem}

/* OVERLAY (mobile menu) */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,0.55);display:none;z-index:45}

/* -----------------------
   Responsive breakpoints
   -----------------------*/
@media (max-width:1100px){
  .hero{grid-template-columns:1fr 420px}
  .why-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:860px){
  .sidebar{width:64px}
  .main{margin-left:64px}
  .brand-full{display:none}
  .brand-short{font-size:1.4rem}
  .why-grid{grid-template-columns:1fr}
  .trainer-grid{flex-direction:row;overflow:auto;padding:8px}
  .testi-wrap{flex-wrap:nowrap}
}

/* MOBILE: collapse sidebar into topbar + slide menu */
@media (max-width:680px){
  .sidebar{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:66px}
  .hero{grid-template-columns:1fr;min-height:auto;padding:36px 18px}
  .hero-right{order:-1;margin-bottom:18px}
  .section{padding:40px 18px}
  .programs-track{padding-bottom:8px}
  .program{min-width:80%;} /* horizontal snapping cards on mobile */
  .overlay.show{display:block}
  .mobile-menu{position:fixed;left:0;top:64px;bottom:0;width:260px;background:linear-gradient(180deg, #07101a, #071827);z-index:50;padding:18px;border-right:1px solid rgba(255,255,255,0.02);overflow:auto}
  .mobile-menu a{display:block;padding:12px 6px;color:#d8f7ff;text-decoration:none}
  .brand-full{display:block;color:var(--neon-blue);margin-bottom:16px;font-weight:800}
}