.header{width:80%;position:fixed;top:0;left:50%;transform:translate(-50%);display:flex;justify-content:space-between;align-items:center;padding:10px 0;background-color:transparent;z-index:999;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.title-header{color:var(--color-white);font-size:20px;font-weight:700}.nav-header{display:flex;align-items:center;gap:10px}.link-nav{font-size:16px;font-weight:500;color:var(--color-gray);text-decoration:none;transition:color .3s ease-in-out}.link-nav:hover{color:var(--color-white)}.container-header-theme-articles{display:flex;align-items:center;gap:10px}.link-articles{font-size:16px;font-weight:500;color:var(--color-gray);text-decoration:none;transition:color .3s ease-in-out;display:flex;align-items:center}.link-articles:hover{color:var(--color-white)}.icon-menu{display:none;cursor:pointer}.button-header{display:flex;align-items:center;justify-content:center;gap:5px;font-size:16px;font-weight:500;border:1px solid var(--color-border);background-color:var(--background-dark);border-radius:5px;padding:4px;cursor:pointer;transition:.5s ease-in-out;color:var(--color-gray)}.button-header:hover{border-color:var(--color-border-hover);color:var(--color-white)}@media (max-width:1024px){.header{width:100%;left:0;transform:none;padding:5px}}@media (max-width:768px){.header{width:100%;flex-wrap:wrap;border-bottom:1px solid var(--color-gray);height:40px;padding:0 10px}.icon-menu{display:block}.nav-header{width:100%;flex-direction:column;align-items:flex-start;margin-top:8px;opacity:0;visibility:hidden}.container-header-theme-articles{width:100%;opacity:0;visibility:hidden;padding-bottom:10px}.open-menu{height:auto;transition:.5s ease-in-out}.open-menu .container-header-theme-articles,.open-menu .nav-header{opacity:1;visibility:visible}}.section-main{width:100%;height:100vh;background-image:var(--background-image);background-size:cover;background-position:50%;box-shadow:inset 0 0 200px var(--color-shadow);display:flex;justify-content:center;align-items:center}.box-gradient{position:absolute;z-index:1;width:300px;height:300px;opacity:.8;filter:blur(35px);display:var(--show-gradient)}.gr1{background:var(--third-color);background:radial-gradient(circle at top right,var(--third-color) 20%,#00ff0000 100%);top:0;right:0}.gr2{background-color:var(--first-color);background:radial-gradient(circle at top left,var(--first-color) 20%,#00ff0000 100%);top:0;left:0}.gr3{width:100%;background-color:var(--second-color);background:radial-gradient(circle at bottom,var(--second-color) 20%,#00ff0000 100%);bottom:0}.container-info-main{width:80%;color:#fff;display:flex;flex-direction:column;gap:10px;margin:auto;z-index:2}.title-top-info-main{color:var(--color-white);font-size:25px;font-weight:500;background-image:linear-gradient(to right,var(--first-color) 3%,var(--second-color) 10%,var(--third-color) 20%);background-clip:border-box;-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:var(--text-shadow)}.title-info-main{font-size:60px;color:var(--color-white)}.presentation-info-main{color:var(--color-gray);font-size:18px}.contacts-info-main{display:flex;align-items:center;gap:12px}.link-section-main{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--color-gray);font-size:16px;font-weight:500;transition:.5s ease-in-out;border-radius:5px;border:1px solid var(--color-border);padding:10px;background-color:var(--background-dark);transition:color border .5s ease-in-out}.link-section-main:hover{border-color:var(--color-border-hover);color:var(--color-white)}@media (max-width:1024px){.section-main{justify-content:flex-start}.container-info-main{margin:0;padding:5px}}@media (max-width:768px){.container-info-main{width:100%}.contacts-info-main{flex-wrap:wrap}.title-info-main{font-size:40px}.title-top-info-main{font-size:18px}.presentation-info-main{font-size:16px}}.footer{width:100%;padding:20px 0;display:flex;align-items:center;justify-content:space-between}.title-footer{font-size:16px;font-weight:500;color:var(--color-white);text-align:center}@media (max-width:1024px){.footer{width:100%;margin-top:40px;padding:5px}}.main{width:100%;height:auto;background-color:var(--background-main);display:flex;flex-direction:column;justify-content:flex-start;align-items:flex-start;gap:16px}.wrapper{width:80%;margin:auto}.light{--background-main:#ccc;--color-shadow:#ccc;--color-white:#000;--color-gray:#303030;--background-dark:#bbb;--color-border:#ddd;--color-border-hover:#aaa;--background-gray-dif:#7d7d7dda;--background-gray-light:#101010;--color-gray-light:#505050;--background-image:none;--color-dark:#aaa;--color-black:#fff;--text-shadow:0 0 1px #202020;--show-gradient:block}@media (max-width:1024px){.wrapper{width:100%;margin:0}}