/* GLOBAL */

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

body{
background:#f5f7fa;
color:#333;
line-height:1.6;
}

/* HEADER */

header{
position:sticky;
top:0;
background:#1d3557;
display:flex;
justify-content:space-between;
align-items:center;
padding:12px 40px;
z-index:1000;
box-shadow:0 3px 10px rgba(0,0,0,0.2);
}

.logo img{
height:55px;
}

nav a{
color:white;
text-decoration:none;
margin-left:18px;
font-size:15px;
transition:0.3s;
}

nav a:hover

/* HERO SECTION */

.hero{
background:linear-gradient(135deg,#1d3557,#457b9d);
color:white;
padding:90px 40px;
}

.hero-container{
max-width:1200px;
margin:auto;
display:flex;
align-items:center;
justify-content:space-between;
gap:40px;
}

.hero-text h1{
font-size:40px;
margin-bottom:20px;
}

.hero-text p{
font-size:18px;
margin-bottom:25px;
}

.hero-image img{
width:320px;
border-radius:12px;
box-shadow:0 10px 25px rgba(0,0,0,0.3);
}

/* BUTTONS */

.btn{
display:inline-block;
padding:14px 26px;
background:#ffbe0b;
color:black;
text-decoration:none;
border-radius:6px;
font-weight:600;
transition:0.3s;
}

.btn:hover{
background:#ffd84a;
transform:translateY(-2px);
}

.btn-secondary{
background:white;
color:#1d3557;
margin-left:10px;
}

.btn-secondary:hover

/* CONTENT SECTIONS */

.page-section{
padding:70px 40px;
background:white;
max-width:1100px;
margin:40px auto;
border-radius:10px;
box-shadow:0 6px 20px rgba(0,0,0,0.08);
}

.page-section h1{
font-size:32px;
margin-bottom:20px;
color:#1d3557;
}

.page-section h2{
font-size:24px;
margin-top:30px;
margin-bottom:15px;
color:#1d3557;
}

.page-section p{
margin-bottom:18px;
}

.page-section ul{
padding-left:20px;
}

.page-section li{
margin-bottom:10px;
}

/* BLOG / COURSES GRID */

.courses-section{
padding:60px 40px;
}

.courses-container{
max-width:1200px;
margin:auto;
display:grid;
grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
gap:30px;
}

.course-card{
background:white;
padding:25px;
border-radius:12px;
box-shadow:0 6px 20px rgba(0,0,0,0.08);
transition:0.3s;
}

.course-card:hover{
transform:translateY(-6px);
box-shadow:0 10px 30px rgba(0,0,0,0.15);
}

.course-card h2{
font-size:20px;
margin-bottom:10px;
color:#1d3557;
}

.course-card p{
font-size:15px;
margin-bottom:18px;
color:#555;
line-height:1.5;
}

/* FOOTER */

footer{
background:#1d3557;
color:white;
text-align:center;
padding:30px 20px;
margin-top:60px;
}

/* WHATSAPP BUTTON */

.whatsapp-float{
position:fixed;
bottom:25px;
right:25px;
background:#25D366;
color:white;
padding:14px 20px;
border-radius:40px;
text-decoration:none;
font-weight:bold;
box-shadow:0 6px 15px rgba(0,0,0,0.3);
transition:0.3s;
}

.whatsapp-float:hover{
background:#1ebe5d;
transform:scale(1.05);
}

/* MOBILE RESPONSIVE */

@media(max-width:900px){

header{
flex-direction:column;
align-items:flex-start;
}

nav{
margin-top:10px;
}

.hero-container{
flex-direction:column;
text-align:center;
}

.hero-text h1{
font-size:28px;
}

.hero-image img{
width:250px;
margin-top:20px;
}

.page-section{
margin:20px;
padding:40px 20px;
}

.btn{
display:block;
width:100%;
margin-top:10px;
text-align:center;
}

}