@media (max-width:1440px){.container{width:min(1320px,calc(100% - 64px))}.header-inner{grid-template-columns:245px 1fr 280px}.brand img{width:220px}.main-nav{gap:30px;font-size:.88rem}.ad-medflix__inner{grid-template-columns:1.25fr 250px .9fr;padding-inline:34px}.footer-main{grid-template-columns:300px 1fr;gap:48px}.footer-links{gap:30px}}
@media (max-width:1200px){.container{width:min(1100px,calc(100% - 48px))}.header-inner{grid-template-columns:220px 1fr 240px}.main-nav{gap:22px}.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.ad-medflix__inner{grid-template-columns:1fr 250px}.ad-medflix__cta{display:none}.footer-main{grid-template-columns:1fr}.footer-links{gap:36px}}
@media (max-width:992px){:root{--header-height:88px}.container{width:min(100% - 40px,860px)}.header-inner{grid-template-columns:1fr auto}.brand img{width:210px}.menu-toggle{display:grid}.main-nav{position:absolute;left:20px;right:20px;top:76px;display:none;align-items:stretch;flex-direction:column;gap:0;padding:14px;border:1px solid #dce7f0;border-radius:18px;background:#fff;box-shadow:var(--shadow-md)}.main-nav[data-open="true"]{display:flex}.main-nav a{padding:14px}.main-nav a::after{display:none}.search-form{display:none}.news-grid,.news-grid--three{grid-template-columns:repeat(2,minmax(0,1fr))}.ad-medflix{height:auto;min-height:250px}.ad-medflix__inner{grid-template-columns:1fr 240px;padding:28px}.footer-links{grid-template-columns:repeat(2,1fr)}.footer-bottom .container{padding-block:20px;align-items:flex-start;flex-direction:column}.institution-logos{padding-block:40px}}
@media (max-width:768px){.container{width:min(100% - 32px,640px)}.news-grid,.news-grid--three{grid-template-columns:1fr}.ad-medflix__inner{grid-template-columns:1fr}.video-card{display:none}.medflix-mark strong{font-size:2rem}.ad-medflix h2{font-size:1.25rem}.footer-links{grid-template-columns:1fr 1fr}.institution-logos img{width:100%}.page-title-row{align-items:flex-start}.page-title-row .heading-icon{flex:0 0 54px}}
@media (max-width:480px){.container{width:calc(100% - 24px)}.brand img{width:185px}.page-hero{padding:36px 0}.page-title-row{gap:14px}.footer-links{grid-template-columns:1fr}.footer-main{padding-block:48px}.news-card__meta{align-items:flex-start;flex-direction:column}.ad-medflix__inner{padding:24px}.sidebar-card{padding:24px}.popular-item{grid-template-columns:32px 72px 1fr}.popular-item img{width:72px;height:54px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* Cabeçalho responsivo unificado */
@media(min-width:1025px) and (max-width:1440px){.header-inner{grid-template-columns:205px 1fr auto 220px}.brand img{width:190px}.main-nav{gap:28px;font-size:calc(.78rem + 2px)}}
@media(max-width:1024px){.header-inner{grid-template-columns:175px 1fr auto}.brand img{width:165px}.menu-toggle{display:none}.main-nav{position:static;display:flex;align-items:center;flex-direction:row;gap:20px;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;font-size:calc(.7rem + 2px);opacity:1;visibility:visible;transform:none}.search-form{display:none}}
@media(max-width:800px){:root{--header-height:72px}.site-header{height:72px}.header-inner{grid-template-columns:1fr auto auto}.brand img{width:175px}.menu-toggle{display:grid}.theme-toggle{height:38px;padding:4px}.main-nav{position:fixed;z-index:200;inset:72px 0 auto;display:flex;align-items:stretch;flex-direction:column;gap:0;padding:18px 20px 24px;border:0;border-top:1px solid #e4eaf0;border-radius:0;background:#fff;box-shadow:0 20px 35px rgba(8,41,66,.14);opacity:0;visibility:hidden;transform:translateY(-15px);transition:.25s}.main-nav[data-open="true"]{opacity:1;visibility:visible;transform:none}.main-nav a{padding:13px 5px}.main-nav a::after{display:none}html[data-theme="dark"] .main-nav{border-color:#29425d;background:#081d35;box-shadow:0 20px 35px rgba(0,0,0,.3)}}
@media(max-width:560px){.container{width:calc(100% - 24px)}.theme-toggle{width:70px;padding:4px;justify-content:center}}