*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial,sans-serif;
}

body{
background:#f5fff5;
color:#333;
line-height:1.6;
}

/* Header */

header{
background:#198754;
padding:15px 30px;
display:flex;
justify-content:space-between;
align-items:center;
flex-wrap:wrap;
position:sticky;
top:0;
z-index:1000;
}

/* Logo */

.logo{
display:flex;
align-items:center;
gap:15px;
}

.logo img{
width:220px;
height:auto;
max-width:100%;
}

/* Navigation */

nav{
display:flex;
flex-wrap:wrap;
justify-content:flex-end;
gap:8px;
flex:2;
}

nav a{
color:white;
text-decoration:none;
padding:8px 10px;
font-weight:bold;
font-size:14px;
border-radius:6px;
transition:0.3s;
white-space:nowrap;
}

nav a:hover{
background:rgba(255,255,255,0.2);
}

/* Slider */

.slider{
overflow:hidden;
}

.slide{
display:none;
position:relative;
}

.slide.active{
display:block;
}

.slide img{
width:100%;
height:500px;
object-fit:cover;
}

.caption{
position:absolute;
bottom:30px;
left:30px;
background:rgba(0,0,0,0.5);
color:white;
padding:15px;
border-radius:8px;
font-size:2rem;
}

/* Sections */

section{
padding:60px 20px;
text-align:center;
}

/* Cards */

.cards{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
margin-top:20px;
}

.card{
background:white;
padding:20px;
border-radius:12px;
box-shadow:0 2px 8px rgba(0,0,0,0.1);
transition:0.3s;
}

.card:hover{
transform:translateY(-5px);
}

/* Form */

form{
max-width:500px;
margin:auto;
}

form input,
form textarea{
width:100%;
padding:12px;
margin:10px 0;
border:1px solid #ccc;
border-radius:8px;
font-size:16px;
}

button{
background:#198754;
color:white;
border:none;
padding:12px 20px;
border-radius:8px;
cursor:pointer;
font-size:16px;
transition:0.3s;
}

button:hover{
background:#146c43;
}

/* WhatsApp Button */

.whatsapp{
position:fixed;
right:20px;
bottom:20px;
background:#25D366;
color:white;
padding:15px 20px;
text-decoration:none;
border-radius:50px;
font-weight:bold;
box-shadow:0 2px 10px rgba(0,0,0,0.2);
}

/* Footer */

footer{
background:#198754;
color:white;
padding:20px;
text-align:center;
}

footer a{
color:white;
text-decoration:none;
}

/* AI Chat */

#ai-chat{
background:white;
padding:40px 20px;
}

.chat-box{
max-width:700px;
height:500px;
overflow-y:auto;
margin:20px auto;
padding:15px;
border:1px solid #ccc;
border-radius:10px;
background:#f9f9f9;
text-align:left;
}

.bot-message,
.user-message{
padding:10px;
margin:10px 0;
border-radius:8px;
}

.bot-message{
background:#e3f2fd;
}

.user-message{
background:#d4edda;
text-align:right;
}

#user-input{
width:80%;
padding:12px;
border:1px solid #ccc;
border-radius:8px;
margin-top:10px;
}

/* Responsive */

@media(max-width:768px){

/* Header */

header{
background:#198754;
padding:15px 25px;
display:flex;
justify-content:space-between;
align-items:center;
flex-wrap:wrap;
position:sticky;
top:0;
z-index:1000;
gap:20px;
}

/* Logo */

.logo{
display:flex;
align-items:center;
gap:15px;
flex:1;
min-width:250px;
}

.logo img{
width:280px;
height:auto;
max-width:100%;
}