/* Certification marks beside the WTWT wordmark. */
.mast .logo{flex-shrink:0;gap:12px}.mast .certMarks{display:flex;align-items:center;gap:10px;padding-left:12px;border-left:1px solid #d5e1e7;flex-shrink:0}.mast .certMarks img{display:block;width:44px;height:44px;object-fit:contain}.mast .certMarks img:last-child{width:76px;height:44px}
@media(max-width:1200px){.mast .menu{display:block}.mast .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;padding:20px 24px;border-bottom:1px solid #d1dde4;box-shadow:0 15px 25px #10233115;flex-direction:column;align-items:flex-start;gap:18px;max-height:calc(100dvh - 110px);overflow-y:auto}.mast .nav.open{display:flex}.mast .nav a{font-size:14px}}
@media(max-width:650px){.mast .logo{gap:9px}.mast .logo>img{width:135px}.mast .certMarks{gap:7px;padding-left:9px}.mast .certMarks img{width:35px;height:35px}.mast .certMarks img:last-child{width:60px;height:35px}}
@media(max-width:380px){.mast .logo>img{width:113px}.mast .logo{gap:7px}.mast .certMarks{padding-left:7px;gap:6px}.mast .certMarks img{width:31px;height:31px}.mast .certMarks img:last-child{width:54px;height:31px}}