/* Définition des variables pour la nouvelle DA (Bronze Mât) */
:root {
    --color-primary: #1A2E44; /* Bleu Marine Profond (Confiance) */
    --color-secondary: #F0F4F8; /* Gris Très Clair (Fond des sections) */
    --color-accent: #C28B5C; /* NOUVELLE COULEUR: Bronze Mât / Cuivre Foncé */
    --color-text: #333333; /* Texte principal */
    --color-light-text: #666666; /* Texte secondaire */
    --color-white: #FFFFFF;

    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    --max-width: 1200px;
    --section-padding: 100px 40px; 
}

/* -------------------- RESET & BASICS -------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
}

a {
    text-decoration: none;
    color: var(--color-primary);
    transition: color 0.3s;
}

a:hover {
    color: var(--color-accent);
}

h1, h2, h3 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin-bottom: 20px;
    line-height: 1.2;
}

h1 { font-size: 3.5rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 600; text-align: center; margin-bottom: 40px; }
h3 { font-size: 1.5rem; font-weight: 600; }

.section-padding {
    padding: var(--section-padding);
    max-width: var(--max-width);
    margin: 0 auto;
}

/* -------------------- BOUTONS (CTA) -------------------- */
.cta-primary {
    display: inline-block;
    background-color: var(--color-accent); /* Couleur premium BRONZE */
    color: var(--color-white);
    padding: 14px 30px;
    border-radius: 5px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: background-color 0.3s, transform 0.2s;
    border: 2px solid var(--color-accent);
}

.cta-primary:hover {
    background-color: var(--color-white);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.cta-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--color-primary);
    padding: 14px 30px;
    border: 2px solid var(--color-primary);
    border-radius: 5px;
    font-weight: 600;
    margin-left: 20px;
}

.cta-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-text-link {
    font-weight: 500;
    color: var(--color-primary);
    margin-top: 15px;
    display: inline-block;
}

.btn-text-link:hover {
    color: var(--color-accent);
}

/* -------------------- HEADER & NAVIGATION (VERSION BLEUE AVEC LOGO) -------------------- */
.main-header {
    background-color: var(--color-primary); /* Bleu Marine Profond */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); 
    position: sticky; 
    top: 0;
    z-index: 1000;
}

/* 1. LIEN GLOBAL DU LOGO (Conteneur Image + Texte) */
.logo-link {
    display: flex; /* Permet d'aligner l'image et le texte */
    align-items: center; /* Centre verticalement */
    gap: 10px; /* Espace entre le logo et le texte */

    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white); /* Texte BibiClean en blanc */
    transition: color 0.3s;
}

/* 2. Style de l'icône B */
.logo-icon {
    height: 35px; /* Taille de l'icône B */
    width: auto;
    /* IMPORTANT : Si votre fichier .png d'origine est noir, cette ligne le rend blanc pour le fond bleu */
    filter: brightness(0) invert(1);
    transition: filter 0.3s;
}

/* 3. Style du texte et de l'icône au survol */
.logo-link:hover .logo-text {
    color: var(--color-accent); /* Le texte BibiClean passe au Bronze Mât */
}

/* 4. Liens de navigation (restent blancs) */
.main-nav ul {
    list-style: none;
    display: flex;
}

.main-nav ul li {
    margin-left: 30px;
}

.main-nav ul li a {
    font-weight: 500;
    color: var(--color-white); /* Blanc pour la lisibilité */
    transition: color 0.3s;
}

.main-nav ul li a:hover {
    color: var(--color-accent); /* Le Bronze au survol */
}

/* Style du bouton CTA dans le Header (BRONZE) */
.cta-button { 
    display: inline-block;
    background-color: var(--color-accent); /* Fond Bronze Mât */
    color: var(--color-white); /* Texte Blanc */
    
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    
    border: 2px solid var(--color-accent); /* Bordure Bronze */
    border-radius: 5px;
    letter-spacing: 0.5px;
    transition: background-color 0.3s, color 0.3s, transform 0.2s;
}

.cta-button:hover {
    /* Au survol, on inverse les couleurs pour un effet premium */
    background-color: var(--color-primary); /* Fond devient Bleu Marine du header */
    color: var(--color-accent); /* Texte passe au Bronze Mât */
    border-color: var(--color-accent); /* Bordure reste Bronze */
    transform: translateY(-1px);
}


/* -------------------- HERO SECTION -------------------- */
.hero-section {
    position: relative;
    height: 80vh; 
    background: url('assets/hero-background.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
}

.hero-section::before { 
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
}

.hero-content {
    z-index: 10;
    max-width: 800px;
    padding: 20px;
}

.hero-content h1 {
    color: var(--color-white);
    margin-bottom: 15px;
}

.hero-content .subtitle {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

/* -------------------- SECTION PREUVE SOCIALE -------------------- */
.social-proof-section {
    padding: 40px 0;
    text-align: center;
    background-color: var(--color-secondary);
}

.proof-title {
    font-size: 1rem;
    color: var(--color-light-text);
    margin-bottom: 20px;
}

.logo-list {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    max-width: var(--max-width);
    margin: 0 auto;
}

.logo-list img {
    height: 50px;
    opacity: 0.7;
    filter: grayscale(100%);
    transition: opacity 0.3s, filter 0.3s;
}

.logo-list img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* -------------------- SECTION ENGAGEMENTS CLÉS (4 PILIERS) -------------------- */
.commitment-section {
    background-color: var(--color-white);
}

.commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    text-align: center;
}
.service-overview h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5rem;
}

.service-overview p {
    max-width: 800px;
    margin: 0 auto 50px auto;
    text-align: center;
    color: var(--color-light-text);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Grid des cards */
.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

/* Style des cards */
.service-cards .service-card {
    background-color: var(--color-white);
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-cards .service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.service-cards .service-card i {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 15px;
}

.service-cards .service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.service-cards .service-card p {
    color: var(--color-text);
    font-size: 1rem;
    line-height: 1.6;
}


.pillar-card {
    padding: 30px 20px;
    border: 1px solid var(--color-secondary);
    border-radius: 8px;
    transition: background-color 0.3s;
}

.pillar-card:hover {
    background-color: var(--color-secondary);
}

.pillar-card i.icon-accent {
    font-size: 3rem;
    margin-bottom: 15px;
}

.pillar-card h3 {
    font-size: 1.3rem;
}


/* -------------------- SECTION QUI SOMMES-NOUS & GÉNERAL -------------------- */
.about-summary-section {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-summary-section .text-content {
    flex: 1;
}

.about-summary-section .image-placeholder {
    flex: 1;
    min-height: 400px;
    background-color: var(--color-secondary); 
    border-radius: 8px;
}

/* -------------------- SECTION SERVICES -------------------- */
.services-section {
    background-color: var(--color-secondary);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.icon-accent {
    color: var(--color-accent); /* Icône en couleur BRONZE */
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.service-card h3 {
    margin-top: 0;
}

/* ============================================== */
/* NOUVEAU STYLE : SECTION RUPTURE (CTA intermédiaire) */
/* ============================================== */
.next-step-cta {
    background-color: var(--color-primary); /* Fond Bleu Marine */
    padding: 60px 40px; 
    text-align: center;
}

.next-step-cta .cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.next-step-cta h3 {
    color: var(--color-white); /* Titre en Blanc */
    font-size: 2rem;
    margin-bottom: 15px;
}

.next-step-cta p {
    color: rgba(255, 255, 255, 0.8); /* Texte secondaire clair */
    margin-bottom: 30px;
}

/* -------------------- SECTION CONTACT IMMERSIVE -------------------- */
.contact-immersive-section {
    background-color: var(--color-secondary);
    padding: var(--section-padding);
}

.contact-content-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr; 
    gap: 80px;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
}

.contact-text-area h2 {
    text-align: left;
    margin-bottom: 25px;
}

.contact-info {
    margin: 30px 0;
    font-size: 1.1rem;
    color: var(--color-primary);
}

.contact-info i.icon-accent {
    margin-right: 10px;
}

.small-note {
    font-size: 0.9rem;
    color: var(--color-light-text);
}

/* Style du Formulaire */
.contact-form {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #DDDDDD;
    border-radius: 4px;
    font-size: 1rem;
    font-family: var(--font-body);
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .big-cta {
    width: 100%;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    margin-bottom: 20px;
}

.calendly-placeholder {
    padding: 20px 0;
    text-align: center;
    border-top: 1px solid var(--color-secondary);
    font-style: italic;
    color: var(--color-light-text);
}

/* -------------------- FOOTER -------------------- */
.main-footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px 40px 20px;
}

.footer-grid {
    max-width: var(--max-width);
    margin: 0 auto 30px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-grid h3, .footer-grid h4 {
    color: var(--color-accent); /* Titres en BRONZE */
    margin-bottom: 20px;
}

.footer-grid ul {
    list-style: none;
}

.footer-grid ul li {
    margin-bottom: 10px;
}

.footer-grid a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-grid a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

.footer-bottom a {
    color: var(--color-white);
}

/* -------------------- RESPONSIVE BASIQUE -------------------- */
@media (max-width: 900px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .main-header {
        padding: 15px 20px;
    }
    
    .main-nav {
        display: none; 
    }

    .footer-grid, 
    .about-summary-section,
    .contact-content-grid {
        grid-template-columns: 1fr;
        flex-direction: column;
        text-align: center;
    }
    
    .about-summary-section .image-placeholder {
        order: -1; 
    }
    
    .contact-text-area h2 {
        text-align: center;
    }

    .hero-section {
        height: 60vh;
    }
}
/* Style du conteneur de l'icône */
.service-icon {
    margin-bottom: 20px;
    /* ... autres styles ... */
}

.service-icon i {
    font-size: 2.8rem; /* NOUVEAU: Taille légèrement réduite */
    color: var(--color-accent); /* NOUVEAU: Couleur Bronze */
    display: block;
}
/* ======== PAGE DEVIS ======== */
.form-container {
  max-width: 900px;
  margin: 0 auto;
  background: #ffffff;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.form-container h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.form-intro {
  text-align: center;
  color: #666;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.quote-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid #ddd;
  border-radius: 10px;
  font-size: 1rem;
  font-family: "Inter", sans-serif;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #00b894;
  box-shadow: 0 0 0 3px rgba(0,184,148,0.1);
  outline: none;
}

.form-group.form-full {
  grid-column: 1 / 3;
}

button.cta-primary {
  width: fit-content;
  align-self: center;
  padding: 1rem 2rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

button.cta-primary:hover {
  transform: scale(1.05);
}

/* HERO SECTION DEVIS */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem;
  color: #fff;
  position: relative;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1;
}

.hero-section .hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-section h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-section p {
  font-size: 1.1rem;
  color: #eaeaea;
}
/* ======== PAGE DEVIS ======== */
.form-container {
  max-width: 900px;
  margin: 0 auto;
  background: #ffffff;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.form-container h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.form-intro {
  text-align: center;
  color: #666;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.quote-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid #ddd;
  border-radius: 10px;
  font-size: 1rem;
  font-family: "Inter", sans-serif;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #00b894;
  box-shadow: 0 0 0 3px rgba(0,184,148,0.1);
  outline: none;
}

.form-group.form-full {
  grid-column: 1 / 3;
}

button.cta-primary {
  width: fit-content;
  align-self: center;
  padding: 1rem 2rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

button.cta-primary:hover {
  transform: scale(1.05);
}

/* HERO SECTION DEVIS */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem;
  color: #fff;
  position: relative;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1;
}

.hero-section .hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-section h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-section p {
  font-size: 1.1rem;
  color: #eaeaea;
}

/* ---------- HERO FUTURISTIQUE ---------- */
.hero-futuristic {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.overlay-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.7) 20%, rgba(0,0,0,0.2) 100%);
  backdrop-filter: blur(3px);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 20px;
}

.hero-content h1 {
  font-size: 3rem;
  letter-spacing: 1px;
  margin-bottom: 15px;
  background: linear-gradient(90deg, #ffffff, #b2f0ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cta-glow {
  display: inline-block;
  background: linear-gradient(90deg, #00d4ff, #0077ff);
  color: white;
  padding: 14px 35px;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  transition: all 0.3s ease;
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}
.cta-glow:hover {
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.8);
  transform: translateY(-3px);
}

/* ---------- GLASS SECTIONS ---------- */
.glass-section {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(15px);
  border-radius: 15px;
  padding: 60px 40px;
  box-shadow: 0 0 40px rgba(0,0,0,0.1);
}

/* ---------- GRID & CARDS ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  color: white;
  transition: all 0.4s ease;
  box-shadow: 0 0 20px rgba(255,255,255,0.05);
}
.feature-card i {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: #00d4ff;
}
.feature-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 0 35px rgba(0,212,255,0.3);
}

/* ---------- IMMERSIVE SECTION ---------- */
.immersive-section {
  background: linear-gradient(135deg, #001a2e, #002d4d);
  color: white;
  padding: 100px 20px;
  text-align: center;
}
.immersive-section h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #ffffff, #80dfff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.immersive-section p {
  max-width: 800px;
  margin: 0 auto 40px auto;
  line-height: 1.8;
}

/* ---------- FORM FUTURISTIQUE ---------- */
.form-glass {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  padding: 60px 20px;
  border-radius: 20px;
  color: white;
  text-align: center;
}
.form-glass input, .form-glass textarea {
  width: 100%;
  padding: 12px 15px;
  margin: 10px 0;
  border: none;
  border-bottom: 2px solid rgba(255,255,255,0.3);
  background: transparent;
  color: white;
  outline: none;
  transition: all 0.3s ease;
}
.form-glass input:focus, .form-glass textarea:focus {
  border-color: #00d4ff;
  box-shadow: 0 0 8px rgba(0,212,255,0.5);
}
/* ---------- SECTION CHANTIER ---------- */
.chantier-tech {
  background: linear-gradient(135deg, #0a192f, #001f3f);
  position: relative;
  overflow: hidden;
}
.chantier-tech::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(0,212,255,0.15), transparent 70%),
              radial-gradient(circle at 70% 70%, rgba(0,122,255,0.1), transparent 60%);
  pointer-events: none;
  mix-blend-mode: lighten;
}
/* === Lisibilité des champs (force le texte visible) === */
.quote-form input,
.quote-form textarea,
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
  color: #1a2e44;          /* texte tapé visible */
  background: #ffffff;     /* fond clair */
  caret-color: #1a2e44;    /* couleur du curseur */
}

/* Placeholders plus lisibles */
.quote-form input::placeholder,
.quote-form textarea::placeholder,
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #7a8699;
  opacity: 1;
}

/* Focus accessible et cohérent avec ta charte */
.quote-form input:focus,
.quote-form textarea:focus,
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #c28b5c;
  box-shadow: 0 0 0 3px rgba(194,139,92,.15);
}

/* Fix autofill WebKit (évite le texte blanc jaunâtre illisible) */
.quote-form input:-webkit-autofill,
.quote-form textarea:-webkit-autofill,
.contact-form input:-webkit-autofill,
.contact-form textarea:-webkit-autofill {
  -webkit-text-fill-color: #1a2e44 !important;
  transition: background-color 9999s ease-out 0s; /* masque le fond jaune */
}