:root{
    --pergami:#f3e4c3;
    --pergami-fosc:#e6d2a8;
    --tinta:#2b1a10;
    --vermell:#8c1c13;
    --vermell-fosc:#5e120c;
    --blau:#1b3a6b;
    --blau-fosc:#102544;
    --or:#c69a2d;
    --or-clar:#e8c86a;
    --verd:#3c5b3a;
}

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:"EB Garamond",serif;
    color:var(--tinta);

    background:
    radial-gradient(circle at 15% 10%, rgba(198,154,45,.18), transparent 35%),
    radial-gradient(circle at 85% 85%, rgba(140,28,19,.18), transparent 40%),
    linear-gradient(
        180deg,
        var(--pergami) 0%,
        var(--pergami-fosc) 100%
    );

    min-height:100vh;
    overflow-x:hidden;
}

.particules{
    position:fixed;
    inset:0;
    pointer-events:none;
    background:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.20) 2px, transparent 2px),
    radial-gradient(circle at 70% 60%, rgba(255,255,255,.18) 2px, transparent 2px),
    radial-gradient(circle at 40% 90%, rgba(255,255,255,.15) 2px, transparent 2px);
    animation:float 20s linear infinite;
}

@keyframes float{

    from{
        transform:translateY(0);
    }

    to{
        transform:translateY(-120px);
    }

}

.marc{
    min-height:100vh;

    border:14px solid transparent;

    border-image:
    repeating-linear-gradient(
        45deg,
        var(--or) 0 12px,
        var(--vermell) 12px 24px,
        var(--blau) 24px 36px
    ) 14;

    padding:25px;
}

header{

    text-align:center;

    padding:60px 20px;

    border:4px double var(--or);

    background:
    linear-gradient(
        135deg,
        var(--vermell),
        var(--vermell-fosc)
    );

    color:var(--pergami);

    position:relative;

    overflow:hidden;

    box-shadow:
    0 20px 40px rgba(0,0,0,.25);

}

header::before{
    content:"❦";
    position:absolute;
    left:20px;
    top:20px;
    font-size:60px;
    color:var(--or-clar);
}

header::after{
    content:"❦";
    position:absolute;
    right:20px;
    bottom:20px;
    font-size:60px;
    color:var(--or-clar);
}

.escut{

    width:90px;
    height:90px;

    margin:auto;

    display:flex;
    align-items:center;
    justify-content:center;

    font-size:40px;

    background:
    linear-gradient(
        180deg,
        var(--blau),
        var(--vermell)
    );

    border:3px solid var(--or);

    border-radius:50%;

    animation:pulse 3s infinite;
}

@keyframes pulse{

    0%{
        transform:scale(1);
    }

    50%{
        transform:scale(1.08);
    }

    100%{
        transform:scale(1);
    }

}

.sobretitol{
    margin-top:15px;
    letter-spacing:6px;
    text-transform:uppercase;
    color:var(--or-clar);
}

h1{
    font-family:"Cinzel",serif;
    font-size:clamp(2rem,6vw,4.5rem);
    margin-top:15px;
}

.subtitol{
    max-width:800px;
    margin:20px auto;
    font-size:1.2rem;
}

.separador{
    margin-top:30px;
    font-size:30px;
    color:var(--or-clar);
}

.menu-accions{

    margin-top:35px;

    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:18px;

}

.boto-logo{

    text-decoration:none;

    color:var(--tinta);

    font-family:"Cinzel",serif;

    font-weight:700;

    padding:16px 30px;

    border-radius:10px;

    background:
    linear-gradient(
        135deg,
        var(--or),
        var(--or-clar)
    );

    border:2px solid var(--vermell);

    transition:.35s;

    position:relative;

    overflow:hidden;
}

.boto-logo::before{

    content:"";

    position:absolute;

    top:0;
    left:-200%;

    width:200%;
    height:100%;

    background:
    linear-gradient(
        90deg,
        transparent,
        rgba(255,255,255,.5),
        transparent
    );

    transition:1s;
}

.boto-logo:hover::before{
    left:200%;
}

.boto-logo:hover{

    transform:
    translateY(-5px)
    scale(1.05);

    box-shadow:
    0 12px 25px rgba(0,0,0,.35);

}

main{

    max-width:1400px;

    margin:60px auto;

}

.capitol{
    margin-bottom:100px;
}

.titol-seccio{

    display:flex;
    align-items:center;
    justify-content:center;

    gap:15px;

    margin-bottom:25px;
}

.icona{

    width:60px;
    height:60px;

    border-radius:50%;

    display:flex;
    align-items:center;
    justify-content:center;

    font-size:24px;

    background:var(--pergami);

    border:3px solid var(--or);

    box-shadow:
    0 8px 20px rgba(0,0,0,.15);

}

.titol-seccio h2{

    font-family:"Cinzel",serif;

    color:var(--blau-fosc);

    font-size:clamp(1.5rem,4vw,2.8rem);
}

.intro{

    max-width:900px;

    margin:auto;

    text-align:center;

    font-size:1.2rem;

    line-height:1.7;
}

.galeria-logos{

    margin-top:40px;

    display:grid;

    grid-template-columns:
    repeat(
        auto-fit,
        minmax(250px,1fr)
    );

    gap:30px;
}

.logo-card{

    background:
    linear-gradient(
        180deg,
        #fff8e6,
        var(--pergami)
    );

    border:3px solid var(--or);

    border-radius:10px;

    overflow:hidden;

    transition:.4s;

    box-shadow:
    0 15px 30px rgba(0,0,0,.18);

}

.logo-card:hover{

    transform:
    translateY(-10px)
    scale(1.03);

}

.logo-card img{

    width:100%;
    height:250px;

    object-fit:contain;

    background:white;

    padding:20px;
}

.logo-card p{

    text-align:center;

    padding:15px;

    font-family:"Cinzel",serif;

    font-weight:700;
}

.guanyador{

    max-width:900px;

    margin:auto;

    text-align:center;

    padding:50px;

    border:4px double var(--or);

    border-radius:15px;

    background:
    linear-gradient(
        135deg,
        var(--vermell),
        var(--vermell-fosc)
    );

    color:white;

    position:relative;

    overflow:hidden;
}

.guanyador::before{

    content:"";

    position:absolute;

    top:-200%;
    left:-200%;

    width:400%;
    height:400%;

    background:
    linear-gradient(
        45deg,
        transparent,
        rgba(255,255,255,.18),
        transparent
    );

    animation:brillo 8s linear infinite;
}

@keyframes brillo{

    100%{
        transform:rotate(360deg);
    }

}

.guanyador h3{

    font-family:"Cinzel",serif;

    margin-bottom:25px;

    font-size:2rem;
}

.logo-guanyador{

    max-width:350px;
    width:100%;

    background:white;

    padding:20px;

    border-radius:12px;

    margin-bottom:20px;
}

.guanyador h4{

    font-family:"Cinzel",serif;

    color:var(--or-clar);

    font-size:2.5rem;
}

.noms{

    display:flex;

    justify-content:center;

    flex-wrap:wrap;

    gap:15px;

    margin-top:30px;
}

.nom{

    padding:12px 25px;

    background:var(--blau);

    color:white;

    border-radius:999px;

    border:2px solid var(--or);

    font-family:"Cinzel",serif;

    transition:.3s;
}

.nom:hover{

    transform:translateY(-5px);

}

.formulari{

    max-width:900px;

    margin:auto;

    display:flex;

    flex-direction:column;

    gap:25px;
}

.formulari input,
.formulari textarea{

    padding:18px;

    border-radius:10px;

    border:3px solid var(--or);

    font-size:1.1rem;

    font-family:"EB Garamond",serif;
}

.formulari textarea{

    min-height:220px;

    resize:vertical;
}

.upload-zone{

    display:block;

    cursor:pointer;
}

.upload-content{

    text-align:center;

    padding:70px 20px;

    border:3px dashed var(--or);

    border-radius:15px;

    background:#fff8e6;

    transition:.3s;
}

.upload-content:hover{

    background:#fff2ce;

    transform:scale(1.02);

}

.upload-icon{

    font-size:4rem;

    margin-bottom:15px;
}

.formulari button{

    padding:20px;

    border:none;

    cursor:pointer;

    font-size:1.1rem;

    font-family:"Cinzel",serif;

    background:
    linear-gradient(
        135deg,
        var(--or-clar),
        var(--or)
    );

    border-radius:10px;

    transition:.3s;
}

.formulari button:hover{

    transform:
    translateY(-5px)
    scale(1.03);

}

footer{

    text-align:center;

    background:var(--blau-fosc);

    color:white;

    padding:35px;

    border-top:5px solid var(--or);
}

footer strong{

    color:var(--or-clar);

    font-family:"Cinzel",serif;
}

@media(max-width:768px){

    .marc{
        border-width:8px;
        padding:10px;
    }

    .menu-accions{
        flex-direction:column;
        align-items:center;
    }

    .upload-content{
        padding:40px 20px;
    }

    .guanyador{
        padding:25px;
    }

    .logo-card img{
        height:180px;
    }

}