/* ===========================
   AIR FROID INVEST
   index.css
=========================== */

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Poppins',sans-serif;
}

html{
    scroll-behavior:smooth;
}

body{
    width:100%;
    min-height:100vh;
    overflow-x:hidden;
    background:#071426;
    color:#ffffff;
    display:flex;
    justify-content:center;
    align-items:center;
    position:relative;
}

/* ===========================
   FOND
=========================== */

.background{
    position:fixed;
    inset:0;
    background:
    radial-gradient(circle at top left,#1e3a5f 0%,transparent 35%),
    radial-gradient(circle at bottom right,#0d2748 0%,transparent 35%),
    linear-gradient(135deg,#071426,#0b1f3d,#08152d);
    z-index:-3;
}

/* Effet lumineux */

.background::before{
    content:"";
    position:absolute;
    width:650px;
    height:650px;
    background:rgba(212,175,55,.08);
    border-radius:50%;
    filter:blur(100px);
    top:-180px;
    left:-180px;
    animation:floatLight 10s ease-in-out infinite;
}

.background::after{
    content:"";
    position:absolute;
    width:500px;
    height:500px;
    background:rgba(255,215,0,.05);
    border-radius:50%;
    filter:blur(100px);
    bottom:-150px;
    right:-150px;
    animation:floatLight 12s ease-in-out infinite reverse;
}

@keyframes floatLight{

    0%{
        transform:translateY(0);
    }

    50%{
        transform:translateY(35px);
    }

    100%{
        transform:translateY(0);
    }

}

/* ===========================
   CONTENU
=========================== */

.hero{
    width:95%;
    max-width:750px;
    text-align:center;
    padding:40px 25px;
}

/* ===========================
   LOGO
=========================== */

.logo img{
    width:180px;
    margin-bottom:25px;
    animation:logo 2s ease;
    filter:drop-shadow(0 0 25px rgba(212,175,55,.5));
}

@keyframes logo{

    from{
        opacity:0;
        transform:scale(.7);
    }

    to{
        opacity:1;
        transform:scale(1);
    }

}

/* ===========================
   TITRE
=========================== */

.hero h1{
    font-size:42px;
    font-weight:800;
    line-height:1.3;
    color:#ffffff;
}

.hero h1 span{
    color:#d4af37;
}

.hero p{
    margin-top:20px;
    color:#d9d9d9;
    font-size:17px;
    line-height:1.8;
}

/* ===========================
   AVANTAGES
=========================== */

.features{
    margin-top:45px;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:18px;
}

.feature{
    background:rgba(255,255,255,.05);
    border:1px solid rgba(212,175,55,.25);
    backdrop-filter:blur(12px);
    border-radius:18px;
    padding:18px;
    transition:.4s;
}

.feature:hover{
    transform:translateY(-8px);
    border-color:#d4af37;
    box-shadow:0 0 25px rgba(212,175,55,.25);
}

.feature i{
    color:#d4af37;
    font-size:28px;
    margin-bottom:12px;
}

.feature span{
    display:block;
    font-size:15px;
    font-weight:600;
}

/* ===========================
   BOUTON
=========================== */

.btn{
    margin-top:45px;
    display:inline-flex;
    align-items:center;
    gap:12px;
    text-decoration:none;
    background:linear-gradient(135deg,#f8d56a,#d4af37);
    color:#08152d;
    padding:17px 45px;
    border-radius:50px;
    font-weight:700;
    font-size:17px;
    transition:.4s;
    box-shadow:0 10px 35px rgba(212,175,55,.35);
}

.btn:hover{
    transform:translateY(-5px);
    box-shadow:0 15px 40px rgba(212,175,55,.55);
}

/* ===========================
   CONNEXION
=========================== */

.login{
    margin-top:30px;
    font-size:15px;
    color:#d6d6d6;
}

.login a{
    color:#d4af37;
    text-decoration:none;
    font-weight:700;
}

.login a:hover{
    text-decoration:underline;
}

/* ===========================
   FOOTER
=========================== */

footer{
    position:fixed;
    bottom:15px;
    left:0;
    width:100%;
    text-align:center;
    color:#b8b8b8;
    font-size:13px;
}

/* ===========================
   RESPONSIVE
=========================== */
@media(max-width:768px){

    .hero h1{
        font-size:31px;
    }

    .hero p{
        font-size:15px;
    }

    .logo img{
        width:145px;
    }

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

    .btn{
        width:100%;
        justify-content:center;
        padding:18px;
    }

}

@media(max-width:430px){

    .hero{
        padding:30px 15px;
    }

    .hero h1{
        font-size:27px;
    }

    .hero p{
        font-size:14px;
    }

}
.logo img{
    width:140px;
    height:140px;
    border-radius:50%;
    object-fit:cover;
    border:4px solid #D4AF37;
    box-shadow:0 0 20px rgba(212,175,55,.45);
    background:#ffffff;
}