:root{--color-primary:#0076CE#f1f3f4;--color-secondary:#43B02A;--color-bg:#F7F9FB;--color-text:#121619;--color-muted:#5A6A78;--radius:12px;--shadow:0 6px 18px rgba(0,0,0,0.10)}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--color-bg);color:var(--color-text)}
a{text-decoration:none}
header{position:sticky;top:0;z-index:30;background:var(--color-primary);color:#fff;box-shadow:var(--shadow)}
.nav{max-width:1200px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:12px 16px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:40px}
.menu{display:flex;gap:10px;align-items:center}
.btn{padding:10px 14px;border-radius:var(--radius);border:2px solid var(--color-secondary);color:#fff;font-weight:700;transition:all .25s;box-shadow:0 2px 8px rgba(0,0,0,.12);background:transparent}
.btn:hover{background:#fff;color:var(--color-secondary)}
.btn-light{border:2px solid #fff;color:#fff}
.btn-light:hover{background:#fff;color:var(--color-primary)}
.lang{display:inline-flex;gap:6px;margin-left:8px}
.lang button{background:transparent;border:2px solid #fff;color:#fff;padding:6px 10px;border-radius:10px;cursor:pointer}
.lang button.active{background:#43B02A;color:var(--color-primary)}
.hamburger{display:none;background:transparent;border:2px solid #fff;border-radius:10px;color:#fff;padding:8px 10px;font-weight:700}
@media (max-width:900px){.menu{display:none;position:fixed;top:64px;right:12px;background:#055ea3;padding:12px;border-radius:12px;flex-direction:column;min-width:240px;box-shadow:var(--shadow)}.menu.open{display:flex}.hamburger{display:inline-block}}
.hero{position:relative;overflow:hidden;height:420px;text-align:center;color:#fff}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom, rgba(0,0,0,.45), rgba(0,0,0,.35));z-index:1}
.carousel{display:flex;width:500%;height:100%;animation:slide 20s infinite}
.carousel img{width:100%;height:420px;object-fit:cover}
@keyframes slide{0%,16%{transform:translateX(0)}20%,36%{transform:translateX(-100%)}40%,56%{transform:translateX(-200%)}60%,76%{transform:translateX(-300%)}80%,100%{transform:translateX(-400%)}}
.hero-text{position:absolute;z-index:2;top:16px;left:0;right:0;padding:0 16px}
.hero-h1{font-size:clamp(24px,5vw,44px);margin:0}
.hero-sub{margin:6px 0 14px;font-size:clamp(16px,2.6vw,20px)}
.section{padding:56px 16px;max-width:1200px;margin:auto}
.section h2{margin:0 0 10px;color:var(--color-primary);font-size:clamp(22px,3.5vw,32px);text-align:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:16px}
@media (max-width:900px){.grid-3{grid-template-columns:1fr}}
.card{background:#fff;padding:18px;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center}
.section-blue{background:var(--color-primary);border-radius:16px;color:#eaf4ff}
.section-blue h2{color:#fff}
.section-blue .card{background:#ffffff}
.testimonials{background:#fff;padding:24px;border-radius:var(--radius);box-shadow:var(--shadow)}
.testimonial{margin-bottom:14px}
.stars{color:#FFD54A}
footer{background:#0f1c28;color:#cfd8e3;text-align:center;padding:20px;margin-top:40px}
.chat-button{position:fixed;right:18px;bottom:18px;background:var(--color-secondary);border:none;border-radius:50%;width:58px;height:58px;color:#fff;font-size:24px;box-shadow:var(--shadow);z-index:40;cursor:pointer}
.chat-panel{position:fixed;right:18px;bottom:84px;width:min(360px,92vw);height:520px;background:#fff;border-radius:16px;box-shadow:var(--shadow);display:none;flex-direction:column;overflow:hidden;z-index:40}
.chat-header{background:var(--color-primary);color:#fff;padding:10px 12px;display:flex;justify-content:space-between;align-items:center}
.chat-actions{display:flex;gap:8px;align-items:center}
.wa-btn{display:inline-flex;align-items:center;gap:6px;background:#25D366;border:2px solid #1ea653;color:#fff;padding:6px 10px;border-radius:10px;font-weight:700}
.wa-btn:hover{filter:brightness(1.05)}
.chat-body{flex:1;padding:12px;overflow:auto}
.chat-input{display:flex;border-top:1px solid #eaeef3}
.chat-input input{flex:1;padding:10px;border:none}
.chat-input button{background:var(--color-secondary);border:none;color:#fff;padding:10px 14px}
.msg{margin:8px 0}
.msg.user{text-align:right}
.bubble{display:inline-block;padding:10px 12px;border-radius:12px}
.msg.bot .bubble{background:#f1f5fb}
.msg.user .bubble{background:var(--color-secondary);color:#fff}