/* AIIT Home Builder — shared system (Toolzest/Toolseba style) */
.aiit-home{font-family:'Hind Siliguri','Poppins',sans-serif;color:var(--aiit-text);background:var(--aiit-bg);line-height:1.6;position:relative;min-height:100vh}
.aiit-home *{box-sizing:border-box}
.aiit-container{max-width:1180px;margin:0 auto;padding:0 20px}
.aiit-accent{color:var(--aiit-accent)}

/* ============ Floating pill navbar ============ */
.aiit-nav-wrap{padding:22px 20px 0}
.aiit-nav{max-width:1120px;margin:0 auto;background:#fff;border-radius:60px;padding:10px 14px 10px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;box-shadow:0 12px 40px rgba(0,0,0,.08);border:1px solid rgba(0,0,0,.04)}
.aiit-nav-brand{font-size:24px;font-weight:800;text-decoration:none;letter-spacing:.5px}
.aiit-nav-brand .aiit-brand-a{color:var(--aiit-primary)}
.aiit-nav-brand .aiit-brand-b{color:var(--aiit-accent)}
.aiit-nav-menu{list-style:none;margin:0;padding:0;display:flex;gap:34px;flex:1;justify-content:center}
.aiit-nav-menu a{color:var(--aiit-text);text-decoration:none;font-weight:500;font-size:16px;transition:color .15s}
.aiit-nav-menu a:hover{color:var(--aiit-accent)}
.aiit-nav-login{background:var(--aiit-primary);color:#fff;padding:11px 24px;border-radius:40px;text-decoration:none;font-weight:600;font-size:15px;transition:transform .15s,box-shadow .15s}
.aiit-nav-login:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.15);color:#fff}
@media (max-width:820px){
  .aiit-nav{border-radius:24px;padding:12px 14px;flex-wrap:wrap;gap:10px}
  .aiit-nav-menu{order:3;flex-basis:100%;gap:18px;flex-wrap:wrap;justify-content:center}
}

/* ============ Hero ============ */
.aiit-hero{padding:70px 20px 90px;text-align:center}
.aiit-hero-inner{max-width:820px;margin:0 auto}
.aiit-brand-big{font-size:clamp(56px,10vw,120px);font-weight:900;margin:0 0 10px;line-height:1;letter-spacing:-2px}
.aiit-brand-big .aiit-brand-a{color:var(--aiit-primary)}
.aiit-brand-big .aiit-brand-b{color:var(--aiit-accent)}
.aiit-tagline{font-size:clamp(26px,4vw,42px);font-weight:700;margin:20px 0 8px;display:inline-block;position:relative;padding-bottom:14px}
.aiit-tagline .aiit-accent{color:var(--aiit-accent)}
.aiit-dots{display:block;width:120px;height:6px;margin:8px auto 0;background:var(--aiit-underline);border-radius:4px;position:relative}
.aiit-dots::before,.aiit-dots::after{content:"";position:absolute;top:50%;transform:translateY(-50%);width:6px;height:6px;background:var(--aiit-underline);border-radius:50%}
.aiit-dots::before{left:-14px}
.aiit-dots::after{left:-26px}
.aiit-hero-desc{font-size:17px;color:var(--aiit-text);opacity:.85;max-width:640px;margin:22px auto 34px}
.aiit-hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Buttons */
.aiit-btn{display:inline-block;padding:14px 30px;border-radius:40px;font-weight:600;font-size:16px;text-decoration:none;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s;font-family:inherit}
.aiit-btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.15)}
.aiit-btn-primary{background:var(--aiit-primary);color:#fff}
.aiit-btn-primary:hover{color:#fff}
.aiit-btn-outline{background:transparent;color:var(--aiit-primary);border:2px solid var(--aiit-primary)}
.aiit-btn-outline:hover{background:var(--aiit-primary);color:#fff}
.aiit-btn-sm{padding:10px 22px;font-size:14px}

/* ============ Sections ============ */
.aiit-section{padding:80px 20px;background:var(--aiit-bg)}
.aiit-section-alt{background:var(--aiit-bg2)}
.aiit-section-title{font-size:clamp(28px,4vw,40px);font-weight:800;text-align:center;margin:0 0 12px;display:inline-block;position:relative;padding-bottom:14px;left:50%;transform:translateX(-50%)}
.aiit-section-sub{text-align:center;opacity:.8;max-width:600px;margin:0 auto 44px}

/* Why grid */
.aiit-why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:24px;margin-top:44px}
.aiit-why-card{background:var(--aiit-card);border-radius:20px;padding:32px 24px;text-align:center;border:1px solid rgba(0,0,0,.04);box-shadow:0 6px 20px rgba(0,0,0,.04);transition:transform .2s,box-shadow .2s}
.aiit-why-card:hover{transform:translateY(-6px);box-shadow:0 14px 34px rgba(0,0,0,.1)}
.aiit-why-icon{font-size:44px;margin-bottom:14px}
.aiit-why-card h3{margin:0 0 10px;font-size:19px;color:var(--aiit-primary);font-weight:700}
.aiit-why-card p{margin:0;font-size:14.5px;opacity:.8}

/* Product grid */
.aiit-prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:22px;margin-top:20px}
.aiit-prod-card{background:var(--aiit-card);border-radius:18px;padding:26px 20px;text-align:center;border:1px solid rgba(0,0,0,.05);transition:transform .2s}
.aiit-prod-card:hover{transform:translateY(-4px);border-color:var(--aiit-accent)}
.aiit-prod-card h3{margin:0 0 10px;font-size:17px;font-weight:700}
.aiit-prod-price{font-size:26px;font-weight:800;color:var(--aiit-accent);margin-bottom:16px}

/* Footer */
.aiit-footer{background:var(--aiit-primary);color:#fff;text-align:center;padding:28px 20px;font-size:14px}

/* ============ Floating chat button ============ */
.aiit-chat{position:fixed;bottom:22px;right:22px;display:flex;align-items:center;gap:0;text-decoration:none;z-index:9999;font-family:inherit}
.aiit-chat-text{background:var(--aiit-primary);color:#fff;padding:12px 20px;border-radius:24px 0 0 24px;font-weight:600;font-size:14px;box-shadow:0 6px 18px rgba(0,0,0,.18)}
.aiit-chat-icon{width:52px;height:52px;background:var(--aiit-accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 6px 18px rgba(0,0,0,.2);margin-left:-8px;transition:transform .2s}
.aiit-chat:hover .aiit-chat-icon{transform:scale(1.08)}
@media (max-width:600px){.aiit-chat-text{display:none}}