/* ============================================================
   L'ÈRE DES IMAGES INTELLIGENTES
   Style principal
============================================================ */

:root{

    --bleu:#071C46;
    --bleu2:#0E2F6E;
    --bleu3:#173E86;

    --or:#E4B64A;
    --or2:#FFD972;

    --blanc:#FFFFFF;
    --gris:#D7DCE4;

    --ombre:0 15px 40px rgba(0,0,0,.35);

}

*{

    margin:0;
    padding:0;
    box-sizing:border-box;

}

html{

    scroll-behavior:smooth;

}

body{

    font-family:'Montserrat',sans-serif;

    background:var(--bleu);

    color:white;

    overflow-x:hidden;

}

/**************************************************
 HERO
**************************************************/

.hero{

    position:relative;

    width:100%;

    height:100vh;

    display:flex;

    align-items:center;

    justify-content:center;

    text-align:center;

    overflow:hidden;

}

.hero::before{

    content:"";

    position:absolute;

    inset:0;

    background:url("../images/hero.jpg") center center;

    background-size:cover;

    transform:scale(1.05);

    animation:zoomHero 25s linear infinite alternate;

    z-index:-3;

}

.hero::after{

    content:"";

    position:absolute;

    inset:0;

    background:linear-gradient(

        rgba(5,15,40,.55),

        rgba(5,15,40,.80)

    );

    z-index:-2;

}

/**************************************************
 Halo lumineux
**************************************************/

.glow{

    position:absolute;

    width:700px;

    height:700px;

    border-radius:50%;

    background:radial-gradient(

        rgba(228,182,74,.20),

        transparent 70%

    );

    filter:blur(30px);

    animation:pulse 8s infinite;

}

/**************************************************
 Contenu
**************************************************/

.hero-content{

    max-width:900px;

    padding:30px;

    animation:fadeUp 1.5s ease;

}

.collection{

    letter-spacing:8px;

    font-size:.95rem;

    color:var(--or);

    margin-bottom:15px;

    text-transform:uppercase;

}

.hero h1{

    font-family:'Cinzel',serif;

    font-size:4.4rem;

    line-height:1.05;

    margin-bottom:25px;

}

.hero h1 span{

    color:var(--or);

}

.subtitle{

    font-size:1.35rem;

    color:#EAEAEA;

    line-height:1.6;

    margin-bottom:35px;

}

.tagline{

    display:flex;

    justify-content:center;

    gap:18px;

    flex-wrap:wrap;

    margin-bottom:40px;

}

.tag{

    background:rgba(255,255,255,.10);

    border:1px solid rgba(255,255,255,.20);

    backdrop-filter:blur(8px);

    padding:10px 20px;

    border-radius:30px;

    font-weight:600;

}

/**************************************************
 Bouton
**************************************************/

.btn{

    display:inline-block;

    background:linear-gradient(

        var(--or),

        var(--or2)

    );

    color:var(--bleu);

    text-decoration:none;

    font-weight:700;

    padding:18px 42px;

    border-radius:40px;

    transition:.35s;

    box-shadow:0 8px 25px rgba(0,0,0,.35);

}

.btn:hover{

    transform:translateY(-4px);

    box-shadow:0 15px 35px rgba(228,182,74,.45);

}

/**************************************************
 Flèche
**************************************************/

.scroll{

    position:absolute;

    bottom:30px;

    left:50%;

    transform:translateX(-50%);

    font-size:2rem;

    animation:bounce 2s infinite;

    color:white;

}

/**************************************************
 Sections
**************************************************/

section{

    padding:90px 8%;

}

.container{

    max-width:1400px;

    margin:auto;

}

h2{

    font-family:'Cinzel',serif;

    font-size:2.5rem;

    color:var(--or);

    text-align:center;

    margin-bottom:60px;

}

/**************************************************
 Cartes
**************************************************/

.grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));

    gap:35px;

}

.card{

    background:#0C265F;

    border-radius:18px;

    overflow:hidden;

    transition:.45s;

    box-shadow:var(--ombre);

}

.card:hover{

    transform:translateY(-10px);

}

.card img{

    width:100%;

    display:block;

}

.card-content{

    padding:30px;

}

.card h3{

    color:var(--or);

    margin-bottom:15px;

}

.card p{

    line-height:1.7;

    color:#ECECEC;

}

/**************************************************
 Footer
**************************************************/

footer{

    background:#05142F;

    padding:60px;

    text-align:center;

    color:#CCC;

}

footer a{

    color:var(--or);

    text-decoration:none;

}

/**************************************************
 Animations
**************************************************/

@keyframes fadeUp{

    from{

        opacity:0;

        transform:translateY(40px);

    }

    to{

        opacity:1;

        transform:translateY(0);

    }

}

@keyframes zoomHero{

    from{

        transform:scale(1.05);

    }

    to{

        transform:scale(1.18);

    }

}

@keyframes pulse{

    0%{

        opacity:.4;

    }

    50%{

        opacity:1;

    }

    100%{

        opacity:.4;

    }

}

@keyframes bounce{

    0%,100%{

        transform:translate(-50%,0);

    }

    50%{

        transform:translate(-50%,-12px);

    }

}

/**************************************************
 Responsive
**************************************************/

@media(max-width:900px){

.hero h1{

font-size:3rem;

}

.subtitle{

font-size:1.1rem;

}

.tag{

padding:8px 15px;

font-size:.9rem;

}

}

@media(max-width:600px){

.hero h1{

font-size:2.3rem;

}

.collection{

letter-spacing:5px;

}

.subtitle{

font-size:1rem;

}

.btn{

padding:16px 30px;

}

section{

padding:70px 25px;

}

}