/* =========================================
   VARIABLES & BASE
   ========================================= */
:root {
    --accent-blue: #007FFF;
    --accent-orange: #ED7F10;
    --logo-black: #000000;
    --white: #FFF8F0;          /* blanc beige */
    --bg-light: #FFF8F0;       /* blanc beige */
    --dark-grey: #1a1a1a;
    --text-soft: #666;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-grey);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
    width: 100%;
}

.container { 
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4%;
}

/* =========================================
   STICKERS DESIGN
   ========================================= */
.bg-stickers {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}
.sticker {
    position: absolute;
    opacity: 0.035;
    color: var(--accent-blue);
    animation: floatSticker 20s ease-in-out infinite;
}
.s1  { font-size: 3rem;  top: 5%;  left: 2%; }
.s2  { font-size: 2.5rem; top: 12%; right: 3%; }
.s3  { font-size: 4rem;  top: 25%; left: 5%;    color: var(--accent-orange); }
.s4  { font-size: 2rem;  top: 18%; right: 8%; }
.s5  { font-size: 3rem;  top: 45%; left: 1%;    color: var(--accent-orange); display: none; }
.s6  { font-size: 2.5rem;top: 55%; right: 2%; }
.s7  { font-size: 3.5rem;top: 35%; right: 5%;   color: var(--accent-orange); display: none; }
.s8  { font-size: 2rem;  top: 68%; left: 4%; }
.s9  { font-size: 2.5rem;top: 72%; right: 10%;  color: var(--accent-orange); display: none; }
.s10 { font-size: 3rem;  top: 82%; left: 10%; }
.s11 { font-size: 4rem;  top: 40%; left: 45%;   color: var(--accent-orange); opacity: 0.015; display: none; }
.s12 { font-size: 2rem;  top: 88%; right: 5%; }
.s13 { font-size: 3rem;  top: 8%;  left: 40%;   color: var(--accent-orange); opacity: 0.015; display: none; }
.s14 { font-size: 2.5rem;top: 60%; left: 30%;   display: none; }

@media (min-width: 768px) {
    .s5, .s7, .s9, .s11, .s13, .s14 { display: block; }
    .s1  { font-size: 4rem;  top: 8%;  left: 3%; }
    .s2  { font-size: 3rem;  top: 15%; right: 5%; }
    .s3  { font-size: 5rem;  top: 30%; left: 8%; }
    .s4  { font-size: 2.5rem;top: 20%; right: 12%; }
    .s6  { font-size: 3rem;  top: 60%; right: 3%; }
    .s8  { font-size: 2rem;  top: 70%; left: 6%; }
    .s10 { font-size: 4rem;  top: 85%; left: 15%; }
    .s12 { font-size: 2.5rem;top: 90%; right: 8%; }
}
@keyframes floatSticker {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(3deg); }
    66% { transform: translateY(8px) rotate(-2deg); }
}

.navbar, header, main, footer, .cookie-box, .lightbox { position: relative; z-index: 1; }

/* =========================================
   NAVBAR RESPONSIVE AVEC ESPACEMENT
   ========================================= */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 4%;
    background: rgba(255, 248, 240, 0.98);  /* blanc beige avec transparence */
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    flex-wrap: wrap;
}
.brand { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 1.3rem; color: var(--logo-black); }
.brand .floo { color: var(--accent-orange); }
.brand .w { color: var(--accent-blue); }
.nav-links { list-style: none; display: flex; align-items: center; flex-wrap: wrap; gap: 25px; } /* ESPACEMENT AUGMENTÉ */
.nav-links li { margin-left: 0; }
.nav-links a { text-decoration: none; color: var(--logo-black); font-weight: 500; font-size: 0.85rem; transition: var(--transition); white-space: nowrap; }
.nav-links a:hover { color: var(--accent-blue); }
.btn-contact {
    background: var(--accent-blue) !important;
    color: white !important;
    padding: 6px 14px;
    border-radius: 4px;
    border: 2px solid var(--accent-blue);
    transition: var(--transition);
    text-decoration: none;
    font-size: 0.75rem;
}
.btn-contact:hover { background: var(--accent-orange) !important; border-color: var(--accent-orange); }
.theme-btn { background: none; border: none; cursor: pointer; font-size: 1rem; color: var(--dark-grey); padding: 6px; }
@media (max-width: 680px) {
    .navbar { flex-direction: column; gap: 8px; padding: 10px 4%; }
    .nav-links { justify-content: center; gap: 15px; }
    .nav-links a { font-size: 0.7rem; }
    .btn-contact { padding: 4px 10px; font-size: 0.7rem; }
}

/* =========================================
   HERO
   ========================================= */
.hero {
    min-height: 70vh;
    height: auto;
    background: url('Big foow.webp') center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    padding: 100px 4% 60px;
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,0,0,0.75) 30%, transparent); }
.hero-content { position: relative; z-index: 2; color: white; max-width: 600px; }
.hero-content h1 { font-size: clamp(1.8rem, 6vw, 3.5rem); font-family: 'Montserrat', sans-serif; font-weight: 800; line-height: 1.2; margin-bottom: 15px; }
.highlight { color: var(--accent-orange); }
.hero-content p { font-size: clamp(0.9rem, 4vw, 1.1rem); color: rgba(255,255,255,0.85); }
.signature {
    position: absolute; bottom: 20px; right: 4%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    padding: 12px 18px; border-radius: 12px;
    display: flex; align-items: center; gap: 12px;
    border: 1px solid rgba(255,255,255,0.1); z-index: 5;
}
.mini-logo { width: 45px; height: 45px; border-radius: 8px; object-fit: cover; }
.tagline { color: var(--accent-orange); font-weight: 700; font-size: 0.7rem; }
.signature-text p:last-child { color: white; font-size: 0.65rem; opacity: 0.8; }
@media (max-width: 768px) {
    .hero { padding-top: 100px; text-align: center; justify-content: center; }
    .hero-overlay { background: rgba(0,0,0,0.7); }
    .hero-content { text-align: center; }
    .signature { display: none; }
}

/* =========================================
   EXPERTISES - 4 CARTES EN LIGNE
   ========================================= */
.section-padding { padding: 60px 0; }
.section-title { text-align: center; font-family: 'Montserrat'; font-size: clamp(1.8rem, 5vw, 2.5rem); margin-bottom: 40px; }
.blue-text { color: var(--accent-blue); }

.expertise-grid--top {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 30px;
}
@media (max-width: 992px) {
    .expertise-grid--top { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
    .expertise-grid--top { grid-template-columns: 1fr; }
}

.expertise-grid--bottom { display: grid; grid-template-columns: 1fr; gap: 0; margin-top: 10px; }

.expertise-card {
    background: #FFF8F0;  /* blanc beige */
    border: 1px solid #f0f0f0;
    border-radius: 12px;
    padding: 30px 20px;
    text-decoration: none;
    color: inherit;
    position: relative;
    transition: var(--transition);
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}
.expertise-card:hover { transform: translateY(-5px); border-color: var(--accent-blue); }
.card-icon { color: var(--accent-blue); margin-right: 8px; font-size: 0.9rem; }
.expertise-card h3 { font-family: 'Montserrat', sans-serif; font-size: 1rem; color: var(--logo-black); }
.expertise-card p { font-size: 0.85rem; color: var(--text-soft); line-height: 1.5; }
.card-line { width: 40px; height: 3px; background: var(--accent-blue); margin: 14px 0; transition: var(--transition); }
.expertise-card:hover .card-line { width: 70px; background: var(--accent-orange); }
.card-number { position: absolute; bottom: 8px; right: 12px; font-size: 3rem; font-weight: 900; color: rgba(0,0,0,0.03); line-height: 1; pointer-events: none; }

.expertise-card--wide {
    border-color: var(--accent-orange);
    background: linear-gradient(135deg, #FFF8F0 60%, #FFF5EA);  /* dégradé beige */
    padding: 35px 30px;
}
.web-card-left { width: 100%; }
.web-card-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 15px; }
.web-tag {
    display: inline-flex; align-items: center; gap: 5px;
    background: rgba(0,127,255,0.07);
    color: var(--accent-blue);
    border: 1px solid rgba(0,127,255,0.2);
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 0.7rem;
    font-weight: 600;
}
.new-badge {
    display: inline-block;
    background: var(--accent-orange); color: white;
    font-size: 0.6rem; font-weight: 700;
    text-transform: uppercase;
    padding: 3px 10px; border-radius: 20px;
    margin-bottom: 10px;
}
@media (max-width: 768px) {
    .expertise-card { padding: 25px 18px; }
    .expertise-card--wide { padding: 25px 20px; }
}

/* =========================================
   STATS
   ========================================= */
.stats-section { background: #000; padding: 40px 0; color: white; }
.stats-grid { display: flex; justify-content: space-around; align-items: center; flex-wrap: wrap; gap: 20px; text-align: center; }
.stat-item { flex: 1 1 140px; padding: 10px; }
.stat-number { display: block; font-size: clamp(1.5rem, 5vw, 2.5rem); font-weight: 800; color: var(--accent-orange); margin-bottom: 5px; }
.stat-item p { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: #ccc; }

/* =========================================
   STORY PARTIE 1
   ========================================= */
.story-part { background: #fafafa; padding: 50px 0; }
.story-header { margin-bottom: 40px; }
.story-label {
    display: inline-block;
    background: var(--accent-blue);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
}
.story-two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}
.story-block {
    background: #FFF8F0;  /* blanc beige */
    border: 1px solid #eee;
    border-radius: 16px;
    padding: 25px 20px;
    transition: var(--transition);
}
.story-icon-box {
    width: 45px; height: 45px;
    background: rgba(0,127,255,0.08);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: var(--accent-blue);
    margin-bottom: 15px;
}
.story-block h3 { font-size: 1rem; margin-bottom: 10px; }
.story-block p { font-size: 0.9rem; color: #555; }
.story-block p strong {
    color: var(--accent-orange);
    font-weight: 700;
}
@media (min-width: 768px) { .story-two-col { grid-template-columns: 1fr 1fr; } }

/* =========================================
   STORY PARTIE 2 - CARTE FONDATEUR RONDE
   ========================================= */
.story-part--dark { background: #fafafa; padding: 50px 0; }
.story-founder-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}
.founder-card {
    background: #FFF8F0;  /* blanc beige */
    border: 1px solid #eeeeee;
    border-left: 4px solid var(--accent-orange);
    border-radius: 20px;
    padding: 25px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.founder-photo-container {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--accent-orange);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    background: #f0f0f0;
    flex-shrink: 0;
}
.founder-photo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.founder-info h3 { font-family: 'Montserrat', sans-serif; font-size: 1.2rem; color: #1a1a1a; margin-bottom: 5px; }
.founder-title { color: var(--accent-orange); font-size: 0.8rem; font-weight: 600; margin-bottom: 12px; }
.founder-badges { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.founder-badge {
    display: inline-flex; align-items: center; gap: 5px;
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    color: #555;
    font-size: 0.7rem;
    padding: 4px 12px; border-radius: 20px;
}
.story-block--light {
    background: #FFFFFF; 
    border: 1px solid #eeeeee;
}
.story-block--light p strong {
    color: var(--accent-orange);
}
.story-logos-row {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 10px;
}
.logo-display-block {
    background: #FFFFFF;
    border: 1px solid #eeeeee;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}
.story-logo-img {
    max-width: 100px;
    height: auto;
    margin-bottom: 8px;
    filter: grayscale(100%);
    opacity: 0.8;
    transition: 0.3s;
}
.logo-caption { font-size: 0.7rem; color: #888; }
.cert-mini-block {
    background: #FFFFFF;  /* blanc beige très clair */
    border: 1px solid #eeeeee;
    border-right: 3px solid var(--accent-orange);
    border-radius: 12px;
    padding: 15px;
    text-align: center;
}
.cert-year { font-size: 2rem; font-weight: 800; color: var(--accent-blue); font-family: 'Montserrat'; }
@media (min-width: 768px) {
    .founder-card { flex-direction: row; text-align: left; align-items: center; gap: 30px; padding: 30px; }
    .founder-badges { justify-content: flex-start; }
    .story-logos-row { flex-direction: row; align-items: stretch; }
    .logo-display-block { flex: 1; }
    .cert-mini-block { flex: 0 0 120px; }
}

/* =========================================
   FOOTER PREMIUM
   ========================================= */
.main-footer { background: #050505; color: white; padding: 50px 0 0; }
.footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; padding-bottom: 30px; }
.footer-col h4 { color: var(--accent-orange); font-family: 'Montserrat'; margin-bottom: 20px; font-size: 0.85rem; text-transform: uppercase; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; font-size: 0.85rem; }
.footer-col a { color: #FCFCFC; text-decoration: none; transition: 0.3s; }
.social-links { display: flex; gap: 12px; margin-top: 15px; flex-wrap: wrap; }
.social-icon { width: 40px; height: 40px; background: #111; display: flex; align-items: center; justify-content: center; border-radius: 50%; color: white; font-size: 1rem; transition: var(--transition); }
.footer-whatsapp-btn, .footer-devis-btn, .newsletter-btn { background: #25d366; color: white; border: none; padding: 10px 16px; border-radius: 8px; font-size: 0.8rem; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; }
.footer-devis-form { display: flex; flex-direction: column; gap: 10px; }
.footer-devis-form input, .footer-devis-form select { background: #111; border: 1px solid #FCFCFC; border-radius: 6px; color: #ddd; padding: 8px 12px; font-size: 0.8rem; }
.footer-newsletter { border-top: 1px solid #1a1a1a; padding: 25px 0; background: #080808; margin-top: 20px; }
.footer-newsletter-inner { display: flex; flex-direction: column; gap: 15px; align-items: flex-start; }
.footer-newsletter-form { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.footer-newsletter-form input { width: 100%; padding: 10px; }
.footer-bottom-inner { display: flex; flex-direction: column; text-align: center; gap: 15px; padding: 20px 0; }
.footer-bottom-links { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.footer-help-btn { background: var(--accent-blue); color: white; border: none; padding: 10px 16px; border-radius: 8px; font-size: 0.8rem; cursor: pointer; width: 100%; }
.footer-quality-badge { display: inline-flex; align-items: center; gap: 8px; background: #111; border: 1px solid #333; border-radius: 30px; padding: 6px 12px; font-size: 0.7rem; }
.line-gradient { height: 4px; background: linear-gradient(to right, #000 33%, #ED7F10 33% 66%, #007FFF 66%); margin-top: 20px; }
@media (min-width: 768px) {
    .footer-newsletter-inner { flex-direction: row; justify-content: space-between; align-items: center; }
    .footer-newsletter-form { flex-direction: row; width: auto; }
    .footer-newsletter-form input { width: 250px; }
    .footer-bottom-inner { flex-direction: row; justify-content: space-between; text-align: left; }
    .footer-help-btn { width: auto; }
}

/* =========================================
   COOKIE & LIGHTBOX
   ========================================= */
.cookie-box {
    position: fixed; bottom: 20px; left: 20px; right: 20px;
    max-width: 380px; background: #000; color: #fff; padding: 18px;
    border-radius: 10px; z-index: 10000; display: none;
}
.cookie-content { display: flex; flex-direction: column; gap: 12px; }
.cookie-btn { background: var(--accent-blue); color: white; border: none; padding: 10px 20px; border-radius: 5px; cursor: pointer; align-self: flex-end; }
.lightbox {
    display: none; position: fixed; z-index: 10001; inset: 0;
    background: rgba(0,0,0,0.9); align-items: center; justify-content: center;
}
.lightbox.active { display: flex; }
.lightbox-content { max-width: 90%; max-height: 80vh; border-radius: 8px; }
.lightbox-close { position: absolute; top: 20px; right: 30px; color: white; font-size: 40px; cursor: pointer; }

/* =========================================
   DARK THEME (CORRIGÉ)
   ========================================= */
body.dark-theme {
    background-color: #121212;
    color: #ffffff;
}

/* Cartes d'expertise */
body.dark-theme .expertise-card,
body.dark-theme .story-block,
body.dark-theme .founder-card,
body.dark-theme .story-block--light {
    background: #1e1e1e;  /* noir/gris foncé au lieu de beige */
    border-color: #333;
    color: #ffffff;
}

/* === NOUVEAU : CORRECTION POUR LES LOGOS ET CERTIFICATS === */
body.dark-theme .logo-display-block,
body.dark-theme .cert-mini-block {
    background: #1e1e1e;   /* fond noir */
    border-color: #333;
    color: #ffffff;
}

/* === NOUVEAU : CORRECTION POUR LES BADGES D'ATTESTATIONS === */
body.dark-theme .founder-badge {
    background: #2a2a2a;    /* fond gris foncé au lieu de beige */
    border-color: #444;
    color: #e0e0e0;
}

/* Texte des logos et certificats */
body.dark-theme .logo-caption,
body.dark-theme .cert-mini-block p,
body.dark-theme .cert-year {
    color: #ffffff;
}

/* Garder l'année en bleu/orange selon ton style */
body.dark-theme .cert-year {
    color: var(--accent-blue);
}

/* Images des logos en mode sombre */
body.dark-theme .story-logo-img {
    filter: grayscale(100%) brightness(1.2);
    opacity: 0.9;
}

/* Conteneur principal de la section histoire */
body.dark-theme .story-part {
    background: #0a0a0a;
}

body.dark-theme .story-part--dark {
    background: #0f0f0f;
}

/* Cartes de la section histoire */
body.dark-theme .story-block,
body.dark-theme .story-block--light {
    background: #1e1e1e;
    border-color: #333;
}

body.dark-theme .story-block p,
body.dark-theme .story-block--light p {
    color: #cccccc;
}

body.dark-theme .story-block p strong,
body.dark-theme .story-block--light p strong {
    color: var(--accent-blue) !important;
}

/* Texte principal */
body.dark-theme .story-block h3,
body.dark-theme .founder-info h3,
body.dark-theme .expertise-card h3 {
    color: #ffffff;
}

body.dark-theme .expertise-card p {
    color: #bbbbbb;
}

/* Navbar en mode sombre */
body.dark-theme .navbar {
    background: rgba(18, 18, 18, 0.95);
    border-bottom: 1px solid #333;
}

body.dark-theme .brand,
body.dark-theme .nav-links a {
    color: #ffffff;
}

/* Survol des liens */
body.dark-theme .footer-col ul li a:hover {
    color: var(--accent-blue) !important;
}

/* Boutons et éléments supplémentaires */
body.dark-theme .card-number {
    color: rgba(255, 255, 255, 0.03) !important;
}

body.dark-theme .expertise-card--wide {
    background: linear-gradient(135deg, #1a1a1a 60%, #1f1810);
}

body.dark-theme .web-tag {
    background: rgba(0, 127, 255, 0.15);
    color: #6bb5ff;
}

body.dark-theme .stats-section {
    background: #000;
}

body.dark-theme .highlight {
    color: var(--accent-blue);
}

/* =========================================
   UTILITAIRES
   ========================================= */
.whatsapp-float { display: none !important; }
img { max-width: 100%; height: auto; display: block; }

@media (min-width: 1600px) {
    .container {
        max-width: 1600px;
        padding: 0 6%;
    }
    .expertise-card {
        padding: 35px 25px;
    }
}

.legal-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(237,127,16,0.4);
    padding: 8px 18px;
    border-radius: 40px;
    color: white;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
}
.legal-btn:hover {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: white;
    transform: translateY(-2px);
}
body.dark-theme .legal-btn {
    background: rgba(0,0,0,0.5);
    border-color: var(--accent-blue);
}
body.dark-theme .legal-btn:hover {
    background: var(--accent-blue);
}

.dav-round-logo {
    border-radius: 50%;
    object-fit: cover;
    width: 100px;
    height: 100px;
}

/* =========================================
   AMÉLIORATIONS GRAPHIQUES & SURVOLS
   ========================================= */
a, .footer-col a, .legal-btn, .btn-contact, .expertise-card h3, .story-block h3, .founder-info h3 {
    transition: all 0.3s ease;
}
.footer-col a:hover, .nav-links a:hover, .legal-btn:hover {
    letter-spacing: 0.5px;
    text-shadow: 0 0 2px rgba(255,255,255,0.5);
}
.expertise-card:hover h3 {
    color: var(--accent-orange);
    transform: translateX(5px);
}
.card-line {
    transition: width 0.4s ease, background 0.3s ease;
}
.expertise-card:hover .card-line {
    width: 70px;
    background: var(--accent-orange);
}
.btn-contact:hover, .footer-devis-btn:hover, .newsletter-btn:hover, .footer-help-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}
.footer-devis-btn:hover, .newsletter-btn:hover {
    background: #20ba58;
    box-shadow: 0 8px 20px rgba(37,211,102,0.3);
}
.footer-help-btn:hover {
    background: #005fcc;
    box-shadow: 0 8px 20px rgba(0,127,255,0.3);
}
.story-logo-img {
    filter: grayscale(100%);
    opacity: 0.8;
    transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}
.story-logo-img:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}
.dav-round-logo, .big-round-logo {
    transition: all 0.4s ease;
}
.dav-round-logo:hover, .big-round-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05) rotate(2deg);
}
.social-icon {
    transition: all 0.3s ease;
    background: #1a1a1a;
}
.social-icon i {
    transition: color 0.3s ease;
}
.social-icon.facebook:hover {
    background: #1877F2;
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(24,119,242,0.3);
}
.social-icon.instagram:hover {
    background: linear-gradient(45deg, #f09433, #d62976, #962fbf, #4f5bd5);
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(214,41,118,0.3);
}
.social-icon.tiktok:hover {
    background: #000000;
    border: 1px solid #25f4ee;
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(37,244,238,0.2);
}
.social-icon.tiktok:hover i {
    color: #25f4ee;
}
.social-icon.youtube:hover {
    background: #CD201F;
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(205,32,31,0.3);
}
.social-icon.linkedin:hover {
    background: #0077B5;
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,119,181,0.3);
}
.social-icon:hover i {
    color: white;
}
.main-footer {
    background: linear-gradient(135deg, #050505 0%, #0a0a0a 50%, #0f0f0f 100%);
    position: relative;
    border-top: 1px solid rgba(237,127,16,0.2);
}
.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-orange), var(--accent-blue), transparent);
}
.footer-devis-form input, .footer-devis-form select {
    background: rgba(20,20,20,0.9);
    border: 1px solid rgba(255,255,255,0.15);
    transition: all 0.3s;
}
.footer-devis-form input:focus, .footer-devis-form select:focus {
    border-color: var(--accent-orange);
    box-shadow: 0 0 8px rgba(237,127,16,0.3);
    outline: none;
}
.footer-newsletter {
    background: linear-gradient(90deg, #080808 0%, #101010 100%);
    border-radius: 12px;
    margin: 20px 0;
    padding: 20px 25px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}
.footer-newsletter-inner {
    background: transparent;
}
.legal-btn {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(237,127,16,0.3);
    transition: all 0.3s ease;
}
.legal-btn:hover {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(237,127,16,0.4);
}
body.dark-theme .legal-btn:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    box-shadow: 0 5px 15px rgba(0,127,255,0.4);
}
.line-gradient {
    height: 4px;
    background: linear-gradient(90deg, #000 0%, #ED7F10 35%, #007FFF 70%, #000 100%);
    margin: 20px 0 0;
}
.footer-quality-badge {
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(237,127,16,0.3);
    transition: 0.3s;
}
.footer-quality-badge:hover {
    border-color: var(--accent-orange);
    transform: scale(1.02);
}
.footer-col ul li a {
    display: inline-block;
    transition: transform 0.2s, color 0.2s;
}
.footer-col ul li a:hover {
    transform: translateX(5px);
    color: var(--accent-orange) !important;
}
body.dark-theme .footer-col ul li a:hover {
    color: var(--accent-blue) !important;
}

/* =========================================
   TOAST NOTIFICATION
   ========================================= */
.toast-notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    max-width: 380px;
    width: calc(100% - 40px);
    background: #1e1e1e;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    overflow: hidden;
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 10001;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}
.toast-notification.show {
    transform: translateX(0);
    opacity: 1;
}
.toast-content {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    position: relative;
}
.toast-icon {
    font-size: 1.8rem;
}
.toast-message {
    flex: 1;
    font-size: 0.85rem;
    line-height: 1.4;
    color: #fff;
    font-weight: 500;
}
.toast-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 5px;
    transition: 0.2s;
}
.toast-close:hover {
    color: white;
}
.toast-progress {
    height: 3px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-blue));
    width: 100%;
    animation: toastProgress 5s linear forwards;
}
@keyframes toastProgress {
    0% { width: 100%; }
    100% { width: 0%; }
}
.toast-success {
    background: linear-gradient(135deg, #1a472a, #0d2818);
    border-left: 4px solid #25d366;
}
.toast-error {
    background: linear-gradient(135deg, #4a1a1a, #2a0a0a);
    border-left: 4px solid #ff4444;
}
.toast-warning {
    background: linear-gradient(135deg, #4a3a1a, #2a200a);
    border-left: 4px solid var(--accent-orange);
}
@media (max-width: 576px) {
    .toast-notification {
        bottom: 20px;
        right: 20px;
        left: 20px;
        max-width: none;
        width: auto;
    }
    .toast-content {
        padding: 12px 16px;
    }
    .toast-icon {
        font-size: 1.4rem;
    }
    .toast-message {
        font-size: 0.8rem;
    }
}
body.dark-theme .toast-notification {
    background: rgba(30,30,30,0.95);
}

/* ========== OPTIMISATIONS CSS INSPIRÉES D'AMENDESIGN ========== */

/* Smooth scrolling pour toute la page */
html {
    scroll-behavior: smooth;
}

/* Optimisation des animations pour réduire l'utilisation CPU */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Conteneur principal optimisé */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Section visible avec transition douce */
.section-visible {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Optimisation des cartes expertise */
.expertise-card {
    transform: translateY(0);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-5px);
}

/* Optimisation images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Loading state pour les images */
img[loading="lazy"] {
    background-color: #f0f0f0;
}

/* Performance : will-change pour les animations */
.stats-grid .stat-item {
    will-change: transform;
}

/* Media query pour très grands écrans */
@media (min-width: 1920px) {
    .container {
        max-width: 1440px;
    }
}

/* Optimisation dark mode si vous l'ajoutez plus tard */
@media (prefers-color-scheme: dark) {
    /* Optionnel : adaptation au thème sombre du navigateur */
}

/* =========================================
   EFFET TILT 3D (Nordcraft style)
   ========================================= */
.expertise-card {
    transform-style: preserve-3d;
    transition: transform 0.2s ease-out, box-shadow 0.3s ease;
    will-change: transform;
}
.expertise-card .card-icon,
.expertise-card h3,
.expertise-card p,
.expertise-card .card-line,
.expertise-card .card-number,
.expertise-card .web-card-tags,
.expertise-card .new-badge {
    transition: transform 0.2s ease-out;
}
/* Sur mobile, on désactive l'effet 3D pour éviter les bugs */
@media (max-width: 768px) {
    .expertise-card {
        transform: none !important;
    }
    .expertise-card::after {
        display: none;
    }
}