/* AI Agent Mindset — Shared Nav (matches index.html exactly) */
*,*::before,*::after{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
img{max-width:100%;height:auto}

nav{position:fixed;top:16px;left:0;right:0;z-index:200;display:flex;justify-content:center;pointer-events:none}
.nav-inner{pointer-events:all;max-width:900px;width:calc(100% - 48px);padding:0 20px;height:54px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,0.78);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);border:1px solid rgba(255,255,255,0.85);border-radius:50px;box-shadow:0 4px 24px rgba(0,0,0,0.07),0 1px 2px rgba(0,0,0,0.04);transition:background .35s ease,border-color .35s ease,box-shadow .35s ease}
nav.scrolled .nav-inner{background:rgba(255,255,255,0.95);border-color:rgba(0,0,0,0.09);box-shadow:0 8px 32px rgba(0,0,0,0.1),0 1px 3px rgba(0,0,0,0.06)}
.logo{text-decoration:none;display:flex;align-items:center;flex-shrink:0}
.logo-img{height:18px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0}
.nav-links a{padding:6px 14px;font-size:13.5px;font-weight:450;color:#666;text-decoration:none;border-radius:6px;transition:color .22s ease,background .22s ease;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:#0A0A0A;background:rgba(0,0,0,0.04)}
.nav-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.btn-sm{padding:7px 16px;font-family:'Inter',sans-serif;font-size:13px;font-weight:500;border-radius:8px;cursor:pointer;text-decoration:none;transition:all .22s ease;display:inline-flex;align-items:center;gap:6px}
.btn-dark{background:#0A0A0A;color:#fff;border:1px solid #0A0A0A}
.btn-dark:hover{background:#222}
.btn-ghost{background:transparent;color:#333;border:1px solid rgba(0,0,0,0.08)}
.btn-ghost:hover{border-color:#999;color:#0A0A0A}

/* Hamburger */
.nav-hamburger{display:none;background:none;border:none;cursor:pointer;padding:6px;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;flex-shrink:0}
.nav-hamburger span{display:block;width:22px;height:2px;background:#0A0A0A;border-radius:2px;transition:transform .25s,opacity .25s}
.nav-hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-hamburger.open span:nth-child(2){opacity:0}
.nav-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile dropdown panel */
.nav-mobile-panel{display:none;position:fixed;top:76px;left:12px;right:12px;background:#fff;border-radius:20px;box-shadow:0 8px 32px rgba(0,0,0,0.14);padding:12px;z-index:199;flex-direction:column;gap:2px}
.nav-mobile-panel.open{display:flex}
.nav-mobile-panel a{padding:12px 16px;font-size:15px;font-weight:500;color:#222;border-radius:12px;display:block;text-decoration:none}
.nav-mobile-panel a:hover{background:#f5f5f5}
.nav-mobile-panel .mob-cta{background:#0A0A0A;color:#fff;text-align:center;margin-top:8px;border-radius:50px;font-weight:700}

/* Responsive */
@media(max-width:640px){
  nav{top:10px}
  .nav-inner{width:calc(100% - 24px);padding:0 14px;height:48px}
  .logo-img{height:18px}
  .nav-links{display:none}
  .btn-dark{display:none}
  .btn-ghost{display:none}
  .nav-hamburger{display:flex}
  .nav-mobile-panel{top:66px}
}
@media(min-width:641px) and (max-width:768px){
  .nav-links a{font-size:12.5px;padding:5px 10px}
  .btn-dark{padding:7px 14px;font-size:12px}
}