/* ===== базовый сброс ===== */

*{
margin:0;
padding:0;
box-sizing:border-box;
}

body{
font-family:Arial, Helvetica, sans-serif;
background:#0b0f12;
color:#ffffff;
line-height:1.6;
}

/* ===== общий контейнер ===== */

.site-shell{
min-height:100vh;
display:flex;
flex-direction:column;
}

/* ===== HEADER ===== */

.site-header{
background:#0f151a;
border-bottom:1px solid #1d262e;
}

.header-inner{
max-width:1200px;
margin:auto;
padding:18px 20px;
display:flex;
justify-content:space-between;
align-items:center;
}

/* логотип */

.brand{
display:flex;
align-items:center;
gap:10px;
text-decoration:none;
color:white;
}

.brand-mark img{
width:38px;
height:38px;
object-fit:contain;
}

.brand-text{
font-size:20px;
font-weight:600;
letter-spacing:1px;
}

/* языки */

.lang-switcher{
display:flex;
gap:8px;
}

.lang-btn{
background:#1c252c;
border:none;
color:white;
padding:7px 12px;
border-radius:4px;
cursor:pointer;
font-size:13px;
transition:0.2s;
}

.lang-btn:hover{
background:#00bcd4;
}

.lang-btn.active{
background:#00d1ff;
color:#000;
}

/* ===== MAIN ===== */

.site-main{
flex:1;
max-width:1200px;
width:100%;
margin:auto;
padding:50px 20px;
}

.content-area{
min-height:400px;
}

.loading-state{
text-align:center;
opacity:0.7;
font-size:18px;
padding:80px 0;
}

/* ===== секции ===== */

.section{
margin-bottom:80px;
}

.section-title{
font-size:42px;
margin-bottom:20px;
font-weight:600;
}

.section-text{
font-size:18px;
max-width:800px;
opacity:0.9;
}

/* ===== изображения (контейнер) ===== */
.image-gallery {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 20px;
margin-top: 30px;
}

.image-gallery img {
width: 100%;
height: 260px;
object-fit: cover;
border-radius: 12px;
box-shadow: 0 10px 25px rgba(0,0,0,0.4);
transition: transform 0.3s ease;
}

.image-gallery img:hover {
transform: scale(1.04);
}
/* ===== кнопка PDF ===== */

.download-btn{
display:inline-block;
margin-top:35px;
padding:16px 30px;
background:#00d1ff;
color:black;
text-decoration:none;
border-radius:6px;
font-weight:600;
font-size:16px;
transition:0.2s;
}

.download-btn:hover{
background:#00a8cc;
}

/* ===== FOOTER ===== */

.site-footer{
background:#0f151a;
border-top:1px solid #1d262e;
}

.footer-inner{
max-width:1200px;
margin:auto;
padding:40px 20px;
display:flex;
justify-content:space-between;
flex-wrap:wrap;
gap:40px;
}

.footer-block{
max-width:260px;
}

.footer-title{
font-size:16px;
font-weight:600;
margin-bottom:10px;
}

.footer-text{
font-size:14px;
opacity:0.7;
}

.footer-link{
display:block;
margin-top:4px;
color:#00d1ff;
text-decoration:none;
font-size:14px;
}

.footer-link:hover{
text-decoration:underline;
}

.footer-copy{
margin-top:10px;
font-size:13px;
opacity:0.5;
}

/* ========================= */
/* ===== МОБИЛЬНАЯ ВЕРСИЯ ===== */
/* ========================= */

@media (max-width:768px){

.header-inner{
flex-direction:column;
gap:15px;
}

.brand-text{
font-size:18px;
}

.site-main{
padding:35px 18px;
}

.section-title{
font-size:30px;
}

.section-text{
font-size:16px;
}

.video-container iframe{
height:260px;
}

.download-btn{
width:100%;
text-align:center;
}

.footer-inner{
flex-direction:column;
gap:30px;
}

}