@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,200..800&family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&display=swap');

        :root {
            --primary-blue: #52a8c9;
            --dark-bg: #0a191e;
            --nav-glass: rgba(10, 25, 30, 0.85);
            --ice-blue: #e3f6fd; /* Le fond de la section */
    --dark-blue: #113d4b; /* Couleur du titre */
    --accent-blue: #52a8c9;
        }


        :root {
    --primary-blue: #52a8c9;
    --dark-tech: #051419;
}

.bg-dark-tech { background-color: var(--dark-tech); }
.text-accent { color: var(--primary-blue); }

        body {
             font-family: "DM Sans", sans-serif;
            background-color: var(--dark-bg);
            color: #ffffff;
            margin: 0;
            overflow-x: hidden;
        }

        h1,h2,h3,h4,h5{
          font-family: "Bricolage Grotesque", sans-serif;  
        }

        /* Hero Section Styling */
        .hero-section {
            position: relative;
            height: 100vh;
            min-height: 700px;
            background:  
                        url('./images/hero.png') no-repeat center center;
            background-size: cover;
            display: flex;
            align-items: center;
        }


.card-body{
    text-align:left;
}


        /* Navbar Custom Glassmorphism */
        .navcu {
                position: fixed;
    top: 25px;
    left: 50%;
    transform: translateX(-50%) !important;
    width: 96%;
    max-width: 1550px;
    background: #001B20;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 100px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.1s cubic-bezier(0.16, 1, 0.3, 1);
          
        }


        .navcu.scrolled {
 /* La navbar devient plus fine au scroll */
  background-color: rgba(7, 38, 45, 0.95) !important; /* Ton bleu nuit #07262d avec transparence */
  backdrop-filter: blur(12px); /* Effet flou de fond haut de gamme (iOS style) */
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15); /* Ombre douce pour décoller du fond */
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  top: 0;
  width:100%;
  border-radius: 0px;
  max-width:100%;
}

        .lang-switch .active {
            color: #54AAC7 !important;
            
        }

            .lang-switch {
                font-size:16px !important;

            }

        .navbar-brand img {
            height: 64px;
        }

        .nav-link {
            color: #ffffff !important;
            font-weight: 500;
            margin: 0 10px;
            font-size: 1rem;
            transition: color 0.3s ease;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary-blue) !important;
        }

        /* Assure que le positionnement absolu se basera sur cette section */
.hero-section {
    position: relative; 
}

/* Positionnement du texte en bas à droite */
.hero-bottom-right {
    position: absolute;
    bottom: 110px;
    right: 110px;
    z-index: 10;
    text-align: left;
    width: 400px;
}

/* Optionnel : Style du texte */
.hero-bottom-right p {
    margin: 0;
    font-size: 1rem;
    color: #ffffff; /* Couleur grise par exemple */
}

        /* Text & Buttons */
        .hero-content h1 {
            font-weight: 800;
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            line-height: 1.1;
            margin-bottom: 30px;
        }

        .text-accent {
            color: var(--primary-blue);
        }




        .btn-request {
            background: linear-gradient(180deg, #69bedb ,#3a8da8);
            border: none;
            border-radius: 30px;
            padding: 10px 25px;
            color: white;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(82, 168, 201, 0.3);
        }

        .btn-explore {
            background: linear-gradient(180deg, #69bedb , #3a8da8);
            border: none;
            border-radius: 50px;
            padding: 15px 35px;
            color: white;
            font-weight: 600;
            margin-right: 20px;
            line-height:30px;
        }

        .btn-watch {
            background: transparent;
            border: 1px solid #ffffff;
            border-radius: 50px;
            padding: 15px 35px;
            color: white;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            transition: all 0.3s ease;
        }

        .btn-watch:hover {
            background: rgba(255, 255, 255, 0.1);
            color: white;
        }

        .play-icon {
            margin-right: 10px;
            font-size: 1.2rem;
        }

        /* Language Switcher */
        .lang-switch {
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 20px;
        }
        
        .lang-switch span { color: rgba(255,255,255,0.5); }
        .lang-switch .active { color: white; }

        @media (max-width: 991px) {
            .custom-navbar { border-radius: 20px; }
            .hero-content { text-align: center; }
            .btn-explore { margin-right: 0; margin-bottom: 15px; width: 100%; }
            .btn-watch { width: 100%; justify-content: center; }
        }



.ftxt{
    color:#00232A;
}



        .text-gradient{
            /* On définit le dégradé de ton choix */
    background: linear-gradient(180deg, #6EC6D9 0%, #1F72A3 100%);
    
    /* On applique le dégradé uniquement à la forme des lettres */
    -webkit-background-clip: text;
    background-clip: text;
    
    /* On rend le texte transparent pour laisser apparaître le fond (le dégradé) */
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
    
    /* Optionnel : pour s'assurer que le dégradé s'affiche bien sur les longs titres */
    display: inline-block;
        }

        /* Cartes Ecosystem */
.ecosystem-card {
    background: rgba(255, 255, 255, 0.03);
  
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background-image: linear-gradient(#041b21, #041b21), 
                    linear-gradient(180deg, #4ba6c5 0%, #041b21 100%);
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

.ecosystem-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.07);
   
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}

/* Boutons Graduent */
.btn-primary-gradient {
    background: linear-gradient(90deg, #3a8da8, #69bedb);
    border: none;
    color: white;
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 600;
}

.btn-outline-accent {
    border: 1px solid var(--primary-blue);
    color: white;
    border-radius: 50px;
    padding: 8px 25px;
}

/* Images avec effet */
.rounded-4 { border-radius: 1.5rem !important; }

.b2b-markets {
    background-color: var(--ice-blue);
}

.text-dark-blue {
    color: var(--dark-blue);
}

.ls-2 {
    letter-spacing: 2px;
}

/* Bordure subtile à côté du texte descriptif (optionnel selon ton goût) */
.border-start-custom {
    border-left: 2px solid rgba(17, 61, 75, 0.1);
}

/* Style des images pour le Pixel Perfect */
.industry-item .img-wrapper {
    aspect-ratio: 1 / 1; /* Force le carré parfait comme sur le screen */
    overflow: hidden;
}

.industry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.industry-item:hover img {
    transform: scale(1.05);
}

/* Typographie */
.line-height-base {
    line-height: 1.6;
    max-width: 90%;
}

@media (max-width: 991px) {
    .border-start-custom {
        border-left: none;
        padding-left: 0 !important;
        margin-top: 15px;
    }
}



:root {
    --dark-blue-text: #0a2533;
    --accent-blue-cta: #52a8c9;
    --bg-light-gradient: #f8fdff;
}

.cta-section {
    /* Dégradé radial léger pour l'effet de profondeur */
    background: radial-gradient(circle at center, #ffffff 0%, var(--bg-light-gradient) 100%);
    border-top: 1px solid rgba(82, 168, 201, 0.05);
}

.text-dark-blue {
    color: var(--dark-blue-text);
}

.text-accent-light {
    color: var(--accent-blue-cta);
    font-weight: 700;
}

.leading-relaxed {
    line-height: 1.7;
    font-size: 1.05rem;
}

/* Bouton B2B Call */
.btn-cta-gradient {
    background: linear-gradient(180deg, #69bedb 0%, #3a8da8 100%);
    color: white;
    border: none;
    padding: 16px 45px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-cta-gradient:hover {
    transform: translateY(-3px);
   // box-shadow: 0 10px 25px rgba(58, 141, 168, 0.4) !important;
    color: white;
}

/* Animation de pulsation douce sur le bouton */
@keyframes pulse-soft {
    0% { box-shadow: 0 0 0 0 rgba(82, 168, 201, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(82, 168, 201, 0); }
    100% { box-shadow: 0 0 0 0 rgba(82, 168, 201, 0); }
}

.btn-cta-gradient {
    animation: pulse-soft 2s infinite;
}



:root {
    /* Le bleu très sombre du footer */
    --footer-bg: #041b21;
    --accent-blue-footer: #4ba6c5;
}

.footer-gsense {
    background-color: var(--footer-bg);
    overflow: hidden; /* Important pour le logo géant qui dépasse */
    position: relative;
}

.text-accent-footer {
    color: var(--accent-blue-footer);
    letter-spacing: 1.5px;
}

/* Le Logo filigrane en arrière-plan */
.footer-bg-logo {
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 100%;
    font-size: clamp(5rem, 11vw, 20rem); /* Taille massive et fluide */
    font-weight: 900;
  /* Très faible opacité */
    white-space: nowrap;
    z-index: 1;
    text-align:center;
  
    //mask-image: linear-gradient(120deg, rgba(255, 255, 255, .1) 40%, rgba(255, 255, 255, 1) 50%, rgba(255, 255, 255, .1) 60%);
    //mask-size: 200% 100%;
    display: inline-block;
    //animation: shine 5s linear infinite;
    
        color: #479bb6;
/* 1. Définition du masque avec les préfixes navigateurs */
    -webkit-mask-image: linear-gradient(120deg, rgba(0, 0, 0, 0.2) 40%, rgba(0, 0, 0, 1) 50%, rgba(0, 0, 0, 0.2) 60%);
    mask-image: linear-gradient(120deg, rgba(0, 0, 0, 0.2) 40%, rgba(0, 0, 0, 1) 50%, rgba(0, 0, 0, 0.2) 60%);
    
    /* 2. Taille du masque (200% pour permettre le déplacement) */
    -webkit-mask-size: 200% 100%;
    mask-size: 200% 100%;
    
    /* 3. Animation */
    animation: shine 3s linear infinite;



}


@keyframes shine {
    from {
        -webkit-mask-position: 150%;
        mask-position: 150%;
    }
    to {
        -webkit-mask-position: -50%;
        mask-position: -50%;
    }
}



.navbar-toggler{
    background: #69bedb;
}











.z-3 {
    z-index: 3;
}

.hover-white:hover {
    color: white !important;
}

/* Ajustement pour le responsive */
@media (max-width: 768px) {
    .footer-bg-logo {
        font-size: 5rem;
        bottom: 50px;
    }


  .navcu{
    border-radius:10px;
  }

  .hero-bottom-right{
    width:100%;
    bottom:0px;
    padding:2rem;
    right:0px;
  }

}



/* Style pour les points lumineux des capteurs (Screenshot_1677.jpg) */
.sensor-dot {
    position: absolute;
    width: 15px;
    height: 15px;
    background-color: #69bedb;
    border-radius: 50%;
    box-shadow: 0 0 15px #69bedb, 0 0 30px rgba(105, 190, 219, 0.5);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.5); opacity: 1; }
    100% { transform: scale(1); opacity: 0.8; }
}

.icon-box {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}


.feature-card {
    background-color: #08343D;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.icon-glow {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-light);
    /* Effet de lueur subtil sur l'icône */
    text-shadow: 0 0 15px rgba(105, 190, 219, 0.6);
}

.leading-relaxed {
    line-height: 1.7;
}

@media (max-width: 991.98px) {
    .feature-card {
        padding: 2.5rem !important; /* Réduction du padding sur mobile */
    }
}



/* ── Contact Info Card ── */
        .info-card {
            background-image: linear-gradient(#041b21, #041b21),
                              linear-gradient(180deg, #4ba6c5 0%, #041b21 100%);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            border: 1px solid transparent;
            border-radius: 20px;
            padding: 36px 32px;
            height: 100%;
            transition: transform 0.35s ease, box-shadow 0.35s ease;
        }
        .info-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 16px 32px rgba(0,0,0,0.45);
        }
        .info-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(82,168,201,0.2), rgba(75,166,197,0.04));
            border: 1px solid rgba(82,168,201,0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary-blue);
            margin-bottom: 20px;
        }

        /* ── Contact Form ── */
        .contact-form-wrap {
            background: rgba(255,255,255,0.02);
            border: 1px solid rgba(82,168,201,0.12);
            border-radius: 28px;
            padding: 52px 48px;
        }
        @media(max-width:768px) {

            .dnone_mob{
                display:none;
            }
            .contact-form-wrap { padding: 36px 24px; }
        }

        .form-label {
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .form-control, .form-select {
            background: rgba(255,255,255,0.04) !important;
            border: 1px solid rgba(82,168,201,0.18) !important;
            border-radius: 14px !important;
            color: #ffffff !important;
            padding: 14px 18px !important;
            font-size: 0.95rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .form-control::placeholder { color: rgba(255,255,255,0.25) !important; }
        .form-control:focus, .form-select:focus {
            border-color: rgba(82,168,201,0.6) !important;
            box-shadow: 0 0 0 3px rgba(82,168,201,0.12) !important;
            background: rgba(255,255,255,0.06) !important;
            outline: none !important;
        }
        .form-select option {
            background: #041b21;
            color: white;
        }
        textarea.form-control { resize: none; }

        .btn-submit {
            background: linear-gradient(180deg, #69bedb 0%, #3a8da8 100%);
            border: none;
            border-radius: 50px;
            padding: 16px 48px;
            color: white;
            font-weight: 600;
            font-size: 1rem;
            width: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            animation: pulse-soft 2s infinite;
        }
        .btn-submit:hover {
            transform: translateY(-3px);
            color: white;
        }

        /* ── Map placeholder ── */
        .map-wrap {
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid rgba(82,168,201,0.15);
            height: 320px;
        }
        .map-wrap iframe {
            width: 100%;
            height: 100%;
            border: none;
            filter: grayscale(30%) brightness(0.85);
        }

        /* ── FAQ accordion ── */
        .accordion-item {
            background: rgba(255,255,255,0.02) !important;
            border: 1px solid rgba(82,168,201,0.12) !important;
            border-radius: 14px !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent !important;
            color: #ffffff !important;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 22px 24px;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary-blue) !important;
        }
        .accordion-button::after {
            filter: invert(1) brightness(1.5);
        }
        .accordion-body {
            color: rgba(255,255,255,0.55);
            padding: 4px 24px 22px;
            line-height: 1.75;
            font-size: 0.9rem;
        }
        .accordion-button:not(.collapsed)::after {
            filter: invert(55%) sepia(80%) saturate(300%) hue-rotate(170deg);
        }



        .contact-form-wrap .form-label{
            color:#000;


        }






          /* ── Values cards ── */
        .value-card {
            background:#051419;
            border: 1px solid rgba(82,168,201,0.12);
            border-radius: 20px;
            padding: 36px 32px;
            height: 100%;
            transition: all 0.35s ease;
        }
        .value-card:hover {
            transform: translateY(-8px);
            border-color: rgba(82,168,201,0.35);
           background:#051419;
        }
        .value-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(82,168,201,0.2), rgba(75,166,197,0.05));
            border: 1px solid rgba(82,168,201,0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary-blue);
            margin-bottom: 20px;
        }

        /* ── Team cards ── */
        .team-card {
            background-image: linear-gradient(#041b21, #041b21),
                              linear-gradient(180deg, #4ba6c5 0%, #041b21 100%);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            border: 1px solid transparent;
            border-radius: 20px;
            overflow: hidden;
            transition: transform 0.4s cubic-bezier(0.175,0.885,0.32,1.275);
        }
        .team-card:hover { transform: translateY(-10px); }
        .team-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3a8da8, #69bedb);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin: 0 auto 20px;
            font-family: "Bricolage Grotesque", sans-serif;
        }
        .team-social a {
            color: rgba(255,255,255,0.4);
            font-size: 1rem;
            margin: 0 5px;
            transition: color 0.3s;
        }
        .team-social a:hover { color: var(--primary-blue); }

        /* ── Mission strip ── */
        .mission-strip {
            background: linear-gradient(90deg, #3a8da8, #69bedb);
            border-radius: 24px;
            padding: 56px 48px;
        }

        /* ── Stat badge ── */
        .stat-badge {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 16px;
            padding: 28px 24px;
            text-align: center;
        }



        #ScrollRig-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none; /* IMPORTANT : permet de cliquer sur le texte/boutons devant */
    z-index: 1;
}

#webgl-canvas {
    width: 100%;
    height: 100%;
    display: block;
}


.typewriter-container {
  position: relative;
  display: inline-block;
  line-height: 1.4;
}

/* Le curseur lumineux qui s'affiche à la fin du texte */
.typewriter-container::after {
  content: '';
  display: inline-block;
  width: 3px;
  height: 1.1em;
  background-color: currentColor;
  vertical-align: middle;
  margin-left: 5px;
  
  /* Votre effet lumineux permanent */
  box-shadow: 0 0 8px currentColor, 0 0 15px currentColor; 
}

/* Quand le JavaScript ajoute cette classe, le curseur se met à clignoter à l'infini */
.typewriter-container.typing-done::after {
  animation: cursor-blink 0.75s steps(2) infinite;
}

/* Animation de clignotement net (style clavier) */
@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}





/* 1. Style du bouton déclencheur principal */
.btn-demo-trigger {
  background: linear-gradient(135deg, #0d6efd 0%, #00d2ff 100%);
  color: #fff;
  border: none;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
  transition: all 0.3s ease;
}

.btn-demo-trigger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 110, 253, 0.5);
  color: #fff;
}

/* 2. Effet de flou sur le fond de la modal (Backdrop) */
.creative-modal.modal.show {
  backdrop-filter: blur(8px);
  background-color: rgba(15, 23, 42, 0.3);
}

/* 3. Conteneur de la Modal */
.custom-modal-content {
  border: none;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  background: #ffffff;
}

/* 4. En-tête Créatif */
.custom-modal-header {
  position: relative;
  background: #0f172a; /* Bleu nuit très pro */
  padding: 35px 30px 25px 30px;
  flex-direction: column;
  align-items: flex-start;
  border-bottom: none;
}

.custom-modal-header .modal-title {
  color: #ffffff;
  font-weight: 700;
  font-size: 1.5rem;
  z-index: 2;
}

.custom-modal-header .modal-subtitle {
  color: #94a3b8;
  margin-bottom: 0;
  margin-top: 8px;
  font-size: 0.95rem;
  z-index: 2;
}

/* Effet de lumière en arrière-plan dans l'en-tête */
.header-glow {
  position: absolute;
  top: -50px;
  right: -50px;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.4) 0%, rgba(0,0,0,0) 70%);
  z-index: 1;
  pointer-events: none;
}

.custom-modal-header .btn-close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 3;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.custom-modal-header .btn-close:hover {
  opacity: 1;
}

/* 5. Formulaire Premium (Champs Animés) */
.custom-modal-body {
  padding: 40px 30px;
}

.form-group-custom {
  position: relative;
  margin-bottom: 32px;
}

.form-input-custom, .form-select-custom {
  width: 100%;
  padding: 10px 0;
  font-size: 1rem;
  color: #1e293b;
  border: none;
  border-bottom: 2px solid #e2e8f0;
  outline: none;
  background: transparent;
  transition: border-color 0.3s ease;
}

/* Wrapper pour la flèche du select */
.form-select-custom {
  appearance: none;
  cursor: pointer;
}

.select-wrapper::after {
  content: "▾";
  position: absolute;
  right: 5px;
  top: 10px;
  color: #64748b;
  pointer-events: none;
}

/* Label flottant magique */
.form-label-custom {
  position: absolute;
  top: 10px;
  left: 0;
  color: #64748b;
  pointer-events: none;
  transition: all 0.3s ease;
}

/* Comportement quand le champ est focus ou non-vide */
.form-input-custom:focus ~ .form-label-custom,
.form-input-custom:not(:placeholder-shown) ~ .form-label-custom,
.form-select-custom:focus ~ .form-label-custom,
.form-select-custom:valid ~ .form-label-custom {
  top: -12px;
  font-size: 0.8rem;
  color: #0d6efd;
  font-weight: 600;
}

/* Ligne d'accentuation animée sous le champ */
.input-bar {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #0d6efd, #00d2ff);
  transition: all 0.3s ease;
}

.form-input-custom:focus ~ .input-bar,
.form-select-custom:focus ~ .input-bar {
  width: 100%;
  left: 0;
}

/* Fix pour forcer le label du select si une option est choisie */
.form-select-custom:valid ~ .label-select {
  top: -12px;
  font-size: 0.8rem;
}

/* 6. Bouton de soumission du formulaire */
.btn-submit-custom {
  width: 100%;
  background: #0f172a;
  color: #fff;
  border: none;
  padding: 14px;
  border-radius: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
  margin-top: 10px;
}

.btn-submit-custom:hover {
  background: linear-gradient(135deg, #0d6efd 0%, #00d2ff 100%);
  box-shadow: 0 8px 20px rgba(0, 210, 255, 0.25);
}

.btn-submit-custom svg {
  transition: transform 0.3s ease;
}

.btn-submit-custom:hover svg {
  transform: translateX(4px);
}


.btn-scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #0f172a; /* Bleu nuit assorti à tes modals */
  color: #ffffff;
  border: 1px solid #52a8c9;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1040; /* Juste au-dessus de ta navbar sticky */
  
  /* États initiaux (Caché) */
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  
  /* Transitions fluides */
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Flèche à l'intérieur */
.btn-scroll-top svg {
  transition: transform 0.3s ease;
}

/* --- EFFET AU SURVOL (HOVER) --- */
.btn-scroll-top:hover {
  background: linear-gradient(135deg, #52a8c9 0%, #3a8da8  100%); /* Reprend ton dégradé signature */
  border-color: transparent;
  transform: translateY(-5px); /* Micro-interaction : le bouton monte légèrement */
  box-shadow: 0 15px 30px rgba(0, 210, 255, 0.4);
}

.btn-scroll-top:hover svg {
  transform: translateY(-3px); /* La flèche se déplace vers le haut */
}

/* --- ÉTAT VISIBLE (INJECTÉ EN JS) --- */
.btn-scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Ajustement adaptatif pour mobile */
@media (max-width: 576px) {
  .btn-scroll-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}