/* ==========================================
   ARTIGOS CIENTÍFICOS
========================================== */

:root{
    --gold:#d6b564;
    --gold-hover:#c9a950;
    --dark:#070b12;
    --card:#111827;
    --text:#ffffff;
    --muted:#b6b6b6;
}

/* ==========================================
   GERAL
========================================== */

.scientific-page{
    background:#070b12;
    color:#fff;
    overflow:hidden;
}

.scientific-page .container{
    width:min(1400px, 92%);
    margin:0 auto;
}

.scientific-page a{
    text-decoration:none;
}

/* ==========================================
   HERO
========================================== */

.scientific-hero{
    position:relative;
    min-height:700px;
    display:flex;
    align-items:center;
    background:
    linear-gradient(
        90deg,
        rgba(7,11,18,.85) 0%,
        rgba(7,11,18,.55) 45%,
        rgba(7,11,18,.20) 100%
    ),
    var(--hero-desktop);

    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;
}

.scientific-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:
    radial-gradient(
        circle at center,
        rgba(214,181,100,.12),
        transparent 60%
    );
}

.hero-content{
    position:relative;
    z-index:2;
    width:100%;
    display:flex;
    align-items:center;
}

.hero-text{
    max-width:650px;
}

.hero-subtitle{
    display:inline-block;
    color:var(--gold);
    font-size:.95rem;
    letter-spacing:2px;
    text-transform:uppercase;
    margin-top: 200px;
    margin-bottom:15px;
}

.hero-text h1{
    font-size:5rem;
    line-height:1;
    margin:0 0 25px;
    font-weight:700;
}

.hero-text h1 span{
    display:block;
    color:var(--gold);
}

.hero-text p{
    font-size:1.25rem;
    line-height:1.8;
    color:#d4d4d4;
    max-width:600px;
}

.hero-image{
    display:none;
}

/* ==========================================
   PESQUISA
========================================== */

.scientific-search{
    margin-top:-40px;
    position:relative;
    z-index:10;
}

.scientific-search-box{
    display:flex;
    align-items:center;
    background:#111827;
    border:1px solid rgba(255,255,255,.08);
    border-radius:20px;
    height:72px;
    padding:0 25px;
    backdrop-filter:blur(20px);
}

.scientific-search-box i{
    color:var(--gold);
    font-size:1.1rem;
    margin-right:15px;
}

.scientific-search-box input{
    width:100%;
    border:none;
    outline:none;
    background:none;
    color:#fff;
    font-size:1rem;
}

.scientific-search-box input::placeholder{
    color:#8e8e8e;
}

/* ==========================================
   FILTROS
========================================== */

.scientific-filters{
    padding:40px 0 20px;
}

.scientific-categories{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
}

.scientific-categories button{
    border:none;
    background:#111827;
    color:#d8d8d8;
    padding:12px 22px;
    border-radius:999px;
    cursor:pointer;
    transition:.3s;
    border:1px solid rgba(255,255,255,.08);
}

.scientific-categories button:hover{
    border-color:var(--gold);
}

.scientific-categories button.active{
    background:var(--gold);
    color:#070b12;
    font-weight:600;
}

/* ==========================================
   GRID
========================================== */

.scientific-grid{
    padding:40px 0;
}

.articles-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:25px;
}

.article-card{
    background:#111827;
    border-radius:24px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,.06);
    transition:.4s;
    display:flex;
    flex-direction:column;
}

.article-card:hover{
    transform:translateY(-10px);
    border-color:var(--gold);
    box-shadow:0 20px 40px rgba(0,0,0,.35);
}

.article-thumb{
    height:220px;
    overflow:hidden;
}

.article-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:.5s;
}

.article-card:hover .article-thumb img{
    transform:scale(1.08);
}

.article-category{
    color:var(--gold);
    font-size:.85rem;
    margin:20px 20px 10px;
    display:block;
}

.article-card h3{
    font-size:1.25rem;
    line-height:1.5;
    margin:0 20px 15px;
    color:#fff;
}

.article-card p{
    margin:0 20px 20px;
    color:#bdbdbd;
    line-height:1.7;
    flex-grow:1;
}

.article-footer{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px;
    border-top:1px solid rgba(255,255,255,.05);
}

.article-footer span{
    color:#9c9c9c;
    font-size:.9rem;
}

.article-footer a{
    color:var(--gold);
    font-weight:600;
}

/* ==========================================
   PAGINAÇÃO
========================================== */

.scientific-pagination{
    padding:20px 0 80px;
}

.pagination-wrapper{
    display:flex;
    justify-content:center;
    gap:10px;
}

.pagination-wrapper a{
    width:50px;
    height:50px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    background:#111827;
    color:#fff;
    border:1px solid rgba(255,255,255,.06);
    transition:.3s;
}

.pagination-wrapper a.active{
    background:var(--gold);
    color:#070b12;
}

.pagination-wrapper .next{
    width:auto;
    padding:0 25px;
}

.pagination-wrapper a:hover{
    border-color:var(--gold);
}

/* ==========================================
   SOBRE
========================================== */

.scientific-about{
    padding:0 0 100px;
}

.about-box{
    background:
    linear-gradient(
        135deg,
        #111827,
        #0c1018
    );
    border-radius:30px;
    padding:60px;
    display:flex;
    justify-content:space-between;
    gap:60px;
    border:1px solid rgba(255,255,255,.06);
}

.about-left{
    flex:1;
}

.about-left i{
    font-size:4rem;
    color:var(--gold);
    margin-bottom:25px;
}

.about-left h2{
    font-size:3rem;
    line-height:1.2;
    margin:0;
}

.about-right{
    flex:1;
}

.about-right p{
    font-size:1.1rem;
    color:#d1d1d1;
    line-height:1.9;
    margin-bottom:30px;
}

.about-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:16px 35px;
    background:var(--gold);
    color:#070b12;
    font-weight:700;
    border-radius:999px;
    transition:.3s;
}

.about-btn:hover{
    background:var(--gold-hover);
}

/* ==========================================
   RESPONSIVO
========================================== */

@media(max-width:1400px){

    .articles-grid{
        grid-template-columns:repeat(4,1fr);
    }

}

@media(max-width:1200px){

    .hero-text h1{
        font-size:4rem;
    }

    .articles-grid{
        grid-template-columns:repeat(3,1fr);
    }

}

@media(max-width:991px){

    .scientific-hero{
        min-height:600px;
    }

    .hero-text h1{
        font-size:3.2rem;
    }

    .about-box{
        flex-direction:column;
    }

    .articles-grid{
        grid-template-columns:repeat(2,1fr);
    }

}

@media(max-width:768px){

.scientific-hero{

    background:
    linear-gradient(
        180deg,
        rgba(7,11,18,.80) 0%,
        rgba(7,11,18,.55) 100%
    ),
    var(--hero-mobile);

    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;

}

    .hero-text h1{
        font-size:2.8rem;
    }

    .hero-text p{
        font-size:1rem;
    }

    .scientific-categories{
        overflow:auto;
        flex-wrap:nowrap;
        padding-bottom:10px;
    }

    .about-box{
        padding:40px 30px;
    }

    .about-left h2{
        font-size:2rem;
    }

    .articles-grid{
        grid-template-columns:1fr;
    }

}

@media(max-width:480px){

    .hero-text h1{
        font-size:2.2rem;
    }

    .scientific-search-box{
        height:60px;
    }

}

.scientific-hero{
    background-image:var(--hero-desktop);
}

@media(max-width:768px){

    .scientific-hero{
        background-image:var(--hero-mobile);
    }

}

.article-card h3 a{
    color:#fff;
    text-decoration:none;
}

.article-card h3 a:hover{
    color:var(--gold);
}

.article-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}