:root{
    --violet:#1300b8;
    --bleu-ciel:#0079ef;
    --bleu-moyen:#005eb8;
    --bleu-fonce:#01326a;
}

*{
    box-sizing:border-box;
}

body{
    margin:0;
    font-family:Arial,sans-serif;
}

header{
    background:linear-gradient(135deg,var(--violet),var(--bleu-ciel));
    color:#fff;
    padding:60px 20px;
    text-align:center;
}

nav{
    background:var(--bleu-fonce);
    padding:15px;
    text-align:center;
}

nav a{
    color:#fff;
    text-decoration:none;
    margin:0 10px;
}

section{
    padding:60px 8%;
}

h2{
    color:var(--bleu-fonce);
}
.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:20px;
 margin-bottom:15px;
    background:#ffffff;
    border-left:5px solid var(--bleu-ciel);
    border-radius:12px;
    box-shadow:
        0 4px 12px rgba(0,0,0,.08);
    overflow:hidden;
    transition:all .3s ease;

}

.card,
details,
form{
    background:#fff;
    padding:20px;
    border-radius:12px;
    box-shadow:0 3px 10px rgba(0,0,0,.08);
border-left:5px solid var(--bleu-ciel);
 overflow:hidden;
 transition:all .3s ease;
}

form{
max-width:800px;
margin:0 auto;
padding:35px;
background:#ffffff;
border-radius:15px;
border-top:4px solid var(--bleu-ciel);
box-shadow:
0 10px 30px rgba(1,50,106,.10);
}

input,
textarea{
    width:100%;
    padding:12px;
    margin:8px 0;
    border:1px solid #d8e3f4;
    border-radius:8px;
    transition:all .2s ease;
}

input:focus,
textarea:focus{

    outline:none;
    border-color:var(--bleu-ciel);
    box-shadow:
        0 0 0 3px rgba(0,121,239,.15);
}

button{
    display:block;
    width:220px;
    margin:25px auto;
    padding:14px 30px;
    border:none;
    border-radius:8px;
    color:#ffffff;
    font-size:1rem;
    font-weight:600;

    cursor:pointer;

    background-color:#1300b8;
    background-image:linear-gradient(
        135deg,
        #1300b8 0%,
        #0079ef 100%
    );

    box-shadow:
        0 4px 12px rgba(0,121,239,.30);

    transition:all .3s ease;
}



footer,
.footer{
    background:#011c3c;
    color:#fff;
    text-align:center;
    padding:25px;
}

/* =========================
   Page succès HTKM-Tech
   ========================= */

.message-page{
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    padding:30px;

    background:
        radial-gradient(circle at top left,
            rgba(19,0,184,.4),
            transparent 35%),
        radial-gradient(circle at bottom right,
            rgba(0,121,239,.3),
            transparent 40%),
        linear-gradient(
            135deg,
            #01326a,
            #001736
        );
}

.message-box{
    width:100%;
    max-width:800px;
    padding:50px;

    text-align:center;

    background:rgba(255,255,255,.05);

    border:1px solid rgba(0,121,239,.25);

    border-radius:20px;

    backdrop-filter:blur(12px);

    box-shadow:
        0 0 30px rgba(0,121,239,.2),
        0 0 80px rgba(19,0,184,.1);
}
.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;

    margin-bottom: 30px;
}

.message-logo {
    display: block;

    width: 100%;
    max-width: 150px;
    height: auto;

    object-fit: contain;
}
.brand{
    display:inline-block;

    margin-bottom:25px;
    padding:10px 24px;

    border-radius:50px;

    background:linear-gradient(
        135deg,
        #1300b8,
        #0079ef
    );

    color:#fff;
    font-weight:700;
    letter-spacing:2px;
}

.icon{
    font-size:2rem;
    margin-bottom:20px;
    line-height: 1;
}

.message-box h1{
    margin-bottom:25px;
    font-size:2.5rem;

    background:linear-gradient(
        90deg,
        #0079ef,
        #ffffff
    );

    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.message-box p{
    color:#dbe7ff;
    line-height:1.8;
}

.countdown{
    margin-top:20px;
    color:#69b4ff;
    font-size:1rem;
}

#countdown{
    display:inline-block;

    min-width:35px;
    padding:4px 10px;
    margin:0 5px;

    border-radius:6px;

    background:linear-gradient(
        135deg,
        #1300b8,
        #0079ef
    );

    color:#fff;
    font-weight:bold;
}

.progress-bar{
    width:100%;
    max-width:400px;

    height:8px;

    margin:25px auto;

    background:rgba(255,255,255,.15);

    border-radius:30px;
    overflow:hidden;
}

.progress-fill{
    width:0%;
    height:100%;

    background:linear-gradient(
        90deg,
        #1300b8,
        #0079ef
    );
}

.btn-return{
    display:inline-block;

    margin-top:20px;

    padding:14px 30px;

    border-radius:10px;

    background:linear-gradient(
        135deg,
        #1300b8,
        #0079ef
    );

    color:#fff;
    text-decoration:none;
    font-weight:600;

    transition:.3s;
}

.btn-return:hover{
    transform:translateY(-2px);

    box-shadow:
        0 8px 20px rgba(0,121,239,.4);
}

.footer-note{
    margin-top:40px;
    color:rgba(255,255,255,.6);
    font-size:.9rem;
}

@media(max-width:768px){

    header h1{
        font-size:2rem;
    }

    .message-box{
        padding:30px;
    }

    .message-box h1{
        font-size:1.8rem;
    }
}

footer a{
color: var(--bleu-ciel);
text-decoration: none;
transition: 0.3s;
}
 
footer a:hover{
color: var(--violet);
text-decoration: underline;
}

.footer-contact{
text-align:center;
}
 
.footer-contact h4{
color:#ffffff;
margin-bottom:15px;
}
 
.footer-contact p{
margin:8px 0;
}
 
.footer-contact a{
color:#0079ef;
text-decoration:none;
font-weight:600;
}
 
.footer-contact a:hover{
color:#ffffff;
}
/* ==========================
   Consentement RGPD
   ========================== */

.rgpd-consent{
    display:flex;
    align-items:flex-start;
    gap:10px;

    margin-top:20px;
    margin-bottom:20px;

    text-align:left;
}

.rgpd-consent input[type="checkbox"]{
    width:auto;
    margin-top:4px;
    cursor:pointer;
}

.rgpd-consent label{
    font-size:.9rem;
    line-height:1.5;
    color:#555;
    margin:0;
}

header h3{
font-size:3.5rem;
color:#ffffff;
font-weight:700;
margin:10px 0;
}
/* ==========================================
   FAQ SEREVIADOM
   ========================================== */

#faq{
    max-width:1200px;
    margin:60px auto;
    padding:0 20px;
}

#faq h2{
    text-align:center;
    margin-bottom:40px;
    color:var(--bleu-fonce);
    font-size:2.5rem;
}

#faq details{

    margin-bottom:15px;
    background:#ffffff;
    border-left:5px solid var(--bleu-ciel);
    border-radius:12px;
    box-shadow:
        0 4px 12px rgba(0,0,0,.08);
    overflow:hidden;
    transition:all .3s ease;
}

#faq details:hover{

    box-shadow:
        0 8px 20px rgba(0,121,239,.20);
    transform:translateY(-2px);
}

#faq summary{

    list-style:none;
    cursor:pointer;
    padding:18px 25px;
    font-weight:600;
    font-size:1.05rem;
    color:var(--bleu-fonce);
    position:relative;
    transition:.3s;
}

#faq summary:hover{

    color:var(--violet);
}

#faq summary::-webkit-details-marker{
    display:none;
}

#faq summary::after{

    content:"+";

    position:absolute;

    right:25px;

    top:50%;

    transform:translateY(-50%);

    font-size:1.5rem;

    font-weight:bold;

    color:var(--bleu-ciel);

    transition:.3s;
}

#faq details[open] summary::after{

    content:"−";

    color:var(--violet);
}

#faq details p{

    padding:
        0 25px
        20px 25px;

    margin:0;

    line-height:1.8;

    color:#444;

    text-align:justify;
}

#faq details[open]{

    border-left:
        5px solid var(--violet);
}
/* =============================================
   Diagramme SEREVIADOM
   ============================================= */

.process{

    display:grid;

    grid-template-columns:
        280px
        100px
        280px
        100px
        280px;

    justify-content:center;

    align-items:center;

    gap:0;

    margin-top:50px;
}

.process-card{

    width:280px;

    min-height:300px;

    background:#ffffff;

    border-radius:20px;

    padding:25px;

    text-align:center;

    border-top:8px solid var(--bleu-ciel);

    box-shadow:
        0 10px 25px rgba(1,50,106,.15);

    transition:.3s;
}

.process-card:hover{

    transform:translateY(-8px);

    border-top-color:var(--violet);
}

.process-card .icon{

    font-size:4rem;

    margin-bottom:20px;
}

.process-card h3{

    color:var(--bleu-fonce);

    font-size:1.6rem;

    margin-bottom:15px;
}

.process-card p{

    line-height:1.7;

    color:#444;
}

.process-arrow{

    display:flex;

    justify-content:center;

    align-items:center;

    font-size:5rem;

    color:var(--bleu-ciel);

    font-weight:bold;
}

/* Mobile */

@media(max-width:1200px){

    .process{

        display:flex;

        flex-direction:column;
    }

    .process-arrow{

        transform:rotate(90deg);

        margin:15px 0;
    }
}
.process-note{
 
max-width:900px;
 
margin:40px auto 0;
 
text-align:center;
 
font-size:1.1rem;
 
line-height:1.8;
 
color:#4a4a4a;
}