/* ============================================
   MENUISERIE DU GRÉSIVAUDAN - Stylesheet
   Palette : bleu marine, bleu acier, gris
   ============================================ */

:root {
    --navy: #1a3a5c;
    --navy-dark: #0f2640;
    --blue: #2d6a9f;
    --blue-light: #5b8db8;
    --blue-sky: #a8c8e8;
    --blue-pale: #dbe9f5;
    --gray-dark: #3a4a5a;
    --gray: #6b7b8d;
    --gray-light: #9eaab6;
    --gray-bg: #f0f3f6;
    --white: #ffffff;
    --accent: #2d6a9f;
    --accent-hover: #1a3a5c;
    --shadow: 0 4px 20px rgba(26, 58, 92, 0.1);
    --shadow-lg: 0 10px 40px rgba(26, 58, 92, 0.15);
    --shadow-sm: 0 2px 8px rgba(26, 58, 92, 0.08);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--gray-dark);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--navy);
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius-sm);
    font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 0.95rem;
    cursor: pointer; border: 2px solid transparent; transition: var(--transition);
    text-align: center; justify-content: center;
}
.btn-primary { background: var(--blue); color: var(--white); border-color: var(--blue); }
.btn-primary:hover { background: var(--navy); border-color: var(--navy); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--navy); transform: translateY(-2px); }
.btn-outline-dark { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline-dark:hover { background: var(--navy); color: var(--white); transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* ---- SECTION HEADER ---- */
.section-header { text-align: center; margin-bottom: 60px; }
.section-header.light h2, .section-header.light p { color: var(--white); }
.section-header.light .section-tag { background: rgba(255,255,255,0.15); color: var(--white); }
.section-tag {
    display: inline-block; background: var(--blue-pale); color: var(--blue);
    padding: 6px 18px; border-radius: 50px; font-size: 0.85rem;
    font-weight: 600; font-family: 'Montserrat', sans-serif;
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px;
}
.section-header h2 { font-size: 2.5rem; margin-bottom: 16px; }
.section-header p { font-size: 1.1rem; color: var(--gray); max-width: 600px; margin: 0 auto; }
.section-cta { text-align: center; margin-top: 50px; }

/* ============================================
   HEADER
   ============================================ */
.header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; transition: var(--transition); }
.header.scrolled { box-shadow: var(--shadow); }
.header.scrolled .header-top { transform: translateY(-100%); height: 0; padding: 0; overflow: hidden; }

.header-top { background: var(--navy-dark); color: var(--white); font-size: 0.85rem; transition: var(--transition); }
.header-top-inner { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; }
.header-contact-info { display: flex; gap: 24px; }
.header-contact-info a { color: var(--blue-sky); display: flex; align-items: center; gap: 6px; }
.header-contact-info a:hover { color: var(--white); }
.header-social { display: flex; gap: 12px; }
.header-social a {
    color: var(--blue-sky); width: 30px; height: 30px; display: flex;
    align-items: center; justify-content: center; border-radius: 50%;
    background: rgba(255,255,255,0.1);
}
.header-social a:hover { background: var(--blue); color: var(--white); }

.navbar { background: var(--white); border-bottom: 1px solid var(--blue-pale); }
.header.scrolled .navbar { background: rgba(255,255,255,0.98); backdrop-filter: blur(10px); }
.navbar-inner { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; }
.logo img { height: 80px; width: auto; }

.nav-menu { display: flex; list-style: none; gap: 4px; align-items: center; }
.nav-menu a {
    padding: 10px 16px; font-family: 'Montserrat', sans-serif;
    font-weight: 500; font-size: 0.9rem; color: var(--gray-dark);
    border-radius: var(--radius-sm); position: relative;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--blue); background: var(--blue-pale); }
.btn-nav-devis {
    background: var(--blue) !important; color: var(--white) !important;
    padding: 10px 24px !important; border-radius: var(--radius-sm) !important; margin-left: 8px;
}
.btn-nav-devis:hover { background: var(--navy) !important; }

.has-dropdown { position: relative; }
.has-dropdown > a i { font-size: 0.7rem; margin-left: 4px; transition: var(--transition); }
.dropdown {
    position: absolute; top: 100%; left: 0; background: var(--white);
    min-width: 220px; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
    list-style: none; opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: var(--transition); padding: 8px; z-index: 100;
}
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li a { display: block; padding: 10px 16px; font-size: 0.88rem; border-radius: 6px; }
.dropdown li a:hover { background: var(--blue-pale); color: var(--blue); }

.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 26px; height: 3px; background: var(--navy); border-radius: 3px; transition: var(--transition); }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 40%, var(--blue) 100%);
    overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=1920&h=1080&fit=crop') center/cover no-repeat;
    opacity: 0.1;
}
.hero::after {
    content: ''; position: absolute; bottom: -2px; left: 0; width: 100%; height: 120px;
    background: linear-gradient(to top, var(--white), transparent);
}
.hero-content { position: relative; z-index: 2; padding: 140px 0 100px; width: 100%; }
.hero-inner { display: flex; align-items: center; gap: 60px; }
.hero-text { flex: 1; }
.hero-text h1 { font-size: 3.2rem; color: var(--white); margin-bottom: 16px; font-weight: 800; }
.hero-text h1 span { display: block; color: var(--blue-sky); }
.hero-subtitle { font-size: 1.3rem; color: var(--blue-sky); font-weight: 500; font-family: 'Montserrat', sans-serif; margin-bottom: 16px; }
.hero-desc { font-size: 1.05rem; color: rgba(255,255,255,0.8); margin-bottom: 28px; max-width: 550px; }
.hero-badges { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.badge {
    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
    color: var(--white); padding: 8px 18px; border-radius: 50px;
    font-size: 0.85rem; font-weight: 500; display: flex; align-items: center;
    gap: 8px; backdrop-filter: blur(5px);
}
.badge i { color: var(--blue-sky); }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-image-showcase {
    flex: 0 0 380px; position: relative;
}
.hero-photo {
    width: 380px; height: 480px; object-fit: cover; border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3); border: 4px solid rgba(255,255,255,0.2);
}

.hero-scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 3; }
.hero-scroll a { color: var(--white); font-size: 1.4rem; animation: bounce 2s infinite; }
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-12px); }
    60% { transform: translateY(-6px); }
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar { padding: 0; margin-top: -40px; position: relative; z-index: 5; }
.stats-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.stat-item {
    text-align: center; padding: 32px 20px;
    border-right: 1px solid var(--blue-pale);
}
.stat-item:last-child { border-right: none; }
.stat-number {
    font-family: 'Montserrat', sans-serif; font-size: 2.5rem;
    font-weight: 800; color: var(--blue); display: inline;
}
.stat-suffix { font-family: 'Montserrat', sans-serif; font-size: 1.5rem; font-weight: 700; color: var(--blue); }
.stat-label { display: block; font-size: 0.9rem; color: var(--gray); margin-top: 4px; font-weight: 500; }

/* ============================================
   PRESTATIONS
   ============================================ */
.prestations { padding: 100px 0; background: var(--white); }
.prestations-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.prestation-card {
    background: var(--white); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--blue-pale);
}
.prestation-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.prestation-img { position: relative; height: 220px; overflow: hidden; }
.prestation-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.prestation-card:hover .prestation-img img { transform: scale(1.08); }
.prestation-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(26, 58, 92, 0.7); display: flex; align-items: center;
    justify-content: center; opacity: 0; transition: var(--transition);
}
.prestation-card:hover .prestation-overlay { opacity: 1; }
.prestation-content { padding: 28px; }
.prestation-icon {
    width: 50px; height: 50px; background: var(--blue-pale); border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px; font-size: 1.2rem; color: var(--blue);
}
.prestation-content h3 { font-size: 1.3rem; margin-bottom: 10px; }
.prestation-content > p { color: var(--gray); font-size: 0.95rem; margin-bottom: 16px; }
.prestation-features { list-style: none; margin-bottom: 16px; }
.prestation-features li { padding: 4px 0; font-size: 0.9rem; color: var(--gray-dark); display: flex; align-items: center; gap: 8px; }
.prestation-features i { color: var(--blue); font-size: 0.8rem; }
.prestation-link {
    color: var(--blue); font-weight: 600; font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem; display: inline-flex; align-items: center; gap: 6px;
}
.prestation-link:hover { color: var(--navy); gap: 10px; }

/* ============================================
   ENGAGEMENTS
   ============================================ */
.engagements {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
    position: relative;
}
.engagements::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.engagements-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; z-index: 1; }
.engagement-card {
    text-align: center; padding: 40px 24px; background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius);
    backdrop-filter: blur(5px); transition: var(--transition);
}
.engagement-card:hover { background: rgba(255,255,255,0.15); transform: translateY(-5px); }
.engagement-icon {
    width: 70px; height: 70px; background: rgba(255,255,255,0.1); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px; font-size: 1.6rem; color: var(--blue-sky);
}
.engagement-card h3 { color: var(--white); font-size: 1.1rem; margin-bottom: 10px; }
.engagement-card p { color: rgba(255,255,255,0.75); font-size: 0.9rem; }

/* ============================================
   BANDEAU CERTIFICATIONS (après stats)
   ============================================ */
.certif-banner {
    padding: 50px 0;
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 40%, var(--blue) 100%);
    position: relative; overflow: hidden;
}
.certif-banner::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.certif-banner-inner {
    display: flex; align-items: center; gap: 40px; position: relative; z-index: 1;
}
.certif-banner-logos {
    display: flex; gap: 24px; flex-shrink: 0;
}
.certif-banner-logo {
    width: 120px; height: 120px; background: var(--white); border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center; padding: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    transition: var(--transition);
}
.certif-banner-logo:hover { transform: scale(1.05); }
.certif-banner-logo img { width: 100%; height: 100%; object-fit: contain; }
.certif-banner-text { flex: 1; }
.certif-banner-text h3 {
    color: var(--white); font-size: 1.5rem; margin-bottom: 10px; line-height: 1.3;
}
.certif-banner-text h3 span { color: var(--blue-sky); }
.certif-banner-text > p { color: rgba(255,255,255,0.85); font-size: 0.95rem; margin-bottom: 16px; }
.certif-banner-badges {
    display: flex; flex-wrap: wrap; gap: 12px;
}
.certif-banner-badges span {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
    padding: 6px 14px; border-radius: 50px; font-size: 0.85rem;
    color: var(--white); font-weight: 500;
}
.certif-banner-badges i { color: #4ade80; }
.certif-banner-cta { flex-shrink: 0; }

/* ============================================
   CERTIFICATIONS RGE / PTZ (section détaillée)
   ============================================ */
.certifications { padding: 100px 0; background: var(--gray-bg); }
.certification-logos {
    display: flex; justify-content: center; align-items: center; gap: 60px;
    margin-bottom: 50px; flex-wrap: wrap;
}
.certification-logo-item {
    display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.certification-logo-item img {
    height: 140px; width: auto; filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1));
    transition: var(--transition);
}
.certification-logo-item:hover img { transform: scale(1.05); }
.certification-logo-item span {
    font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.9rem;
    color: var(--navy); text-transform: uppercase; letter-spacing: 0.5px;
}
.certifications-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.certification-card {
    background: var(--white); border-radius: var(--radius); padding: 40px;
    border: 1px solid var(--blue-pale); transition: var(--transition); position: relative;
}
.certification-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.certification-card.highlight {
    background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
    border-color: transparent; color: var(--white);
}
.certification-card.highlight h3, .certification-card.highlight p { color: var(--white); }
.certification-card.highlight p { color: rgba(255,255,255,0.85); }
.certification-card.highlight .certification-list li { color: rgba(255,255,255,0.9); }
.certification-card.highlight .certification-list i { color: var(--blue-sky); }
.certification-card.highlight .certification-icon { background: rgba(255,255,255,0.15); color: var(--white); }
.certification-icon {
    width: 70px; height: 70px; background: var(--blue-pale); color: var(--blue);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; margin-bottom: 24px;
}
.certification-card h3 { font-size: 1.4rem; margin-bottom: 16px; }
.certification-card > p { color: var(--gray); font-size: 0.95rem; margin-bottom: 20px; line-height: 1.7; }
.certification-list { list-style: none; }
.certification-list li {
    padding: 8px 0; display: flex; align-items: center; gap: 10px;
    font-size: 0.95rem; font-weight: 500;
}
.certification-list i { color: var(--blue); font-size: 0.9rem; }

/* ============================================
   RÉALISATIONS
   ============================================ */
.realisations { padding: 100px 0; background: var(--gray-bg); }

.realisations-filter { display: flex; justify-content: center; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn {
    padding: 10px 24px; border: 2px solid var(--blue-pale); background: var(--white);
    color: var(--gray-dark); border-radius: 50px; font-family: 'Montserrat', sans-serif;
    font-weight: 600; font-size: 0.9rem; cursor: pointer; transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active { background: var(--blue); color: var(--white); border-color: var(--blue); }

.realisations-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.realisation-item {
    position: relative; border-radius: var(--radius); overflow: hidden;
    cursor: pointer; aspect-ratio: 5/4; transition: var(--transition);
}
.realisation-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.realisation-item:hover img { transform: scale(1.1); }
.realisation-info {
    position: absolute; bottom: 0; left: 0; width: 100%; padding: 60px 24px 24px;
    background: linear-gradient(to top, rgba(15, 38, 64, 0.9), transparent);
    transform: translateY(20px); opacity: 0; transition: var(--transition);
}
.realisation-item:hover .realisation-info { transform: translateY(0); opacity: 1; }
.realisation-cat {
    display: inline-block; background: var(--blue); color: var(--white);
    padding: 4px 12px; border-radius: 50px; font-size: 0.75rem;
    font-weight: 600; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px;
}
.realisation-info h4 { color: var(--white); font-size: 1.05rem; margin-bottom: 4px; }
.realisation-info p { color: var(--blue-sky); font-size: 0.85rem; }

/* ============================================
   PARTENAIRES
   ============================================ */
.partenaires { padding: 100px 0; background: var(--white); }
.partenaires-showcase { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.partenaire-card {
    background: var(--white); border: 1px solid var(--blue-pale); border-radius: var(--radius);
    padding: 30px; text-align: center; transition: var(--transition);
}
.partenaire-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--blue-light); }
.partenaire-logo { height: 80px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.partenaire-logo img {
    max-height: 60px; max-width: 160px; object-fit: contain; margin: 0 auto;
    filter: grayscale(40%); transition: var(--transition);
}
.partenaire-card:hover .partenaire-logo img { filter: grayscale(0%); }
.partenaire-info h4 { font-size: 1.1rem; margin-bottom: 8px; }
.partenaire-info p { font-size: 0.88rem; color: var(--gray); margin-bottom: 12px; }
.partenaire-badge {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.78rem; color: var(--blue); font-weight: 600;
    background: var(--blue-pale); padding: 4px 12px; border-radius: 50px;
}
.partenaires-note {
    text-align: center; margin-top: 40px; padding: 20px 30px;
    background: var(--blue-pale); border-radius: var(--radius-sm);
    border-left: 4px solid var(--blue);
}
.partenaires-note p {
    font-size: 0.95rem; color: var(--navy); font-weight: 500;
    display: flex; align-items: center; justify-content: center; gap: 10px;
}
.partenaires-note i { color: var(--blue); font-size: 1.2rem; }

/* ============================================
   AVIS
   ============================================ */
.avis {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
    position: relative;
}
.avis::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
}
.avis .container { position: relative; z-index: 1; }
.avis-stats { display: flex; justify-content: center; gap: 40px; margin-bottom: 50px; flex-wrap: wrap; }
.avis-stat {
    display: flex; align-items: center; gap: 16px; background: rgba(255,255,255,0.1);
    padding: 20px 32px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.15);
}
.avis-stat-icon { font-size: 2.2rem; color: var(--white); }
.rating-number { font-family: 'Montserrat', sans-serif; font-size: 2rem; font-weight: 800; color: var(--white); display: block; line-height: 1; }
.stars { color: #fbbf24; font-size: 0.9rem; margin: 4px 0; }
.rating-count { color: var(--blue-sky); font-size: 0.85rem; }
.avis-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.avis-card {
    background: var(--white); border-radius: var(--radius); padding: 28px; position: relative;
}
.avis-card::before {
    content: '\201C'; position: absolute; top: 16px; right: 24px;
    font-size: 4rem; color: var(--blue-pale); font-family: Georgia, serif; line-height: 1;
}
.avis-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.avis-avatar {
    width: 44px; height: 44px; background: var(--blue-pale); color: var(--blue);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.9rem; flex-shrink: 0;
}
.avis-card-header h4 { font-size: 0.95rem; margin-bottom: 2px; }
.stars-small { color: #fbbf24; font-size: 0.7rem; }
.avis-source { margin-left: auto; font-size: 1.2rem; color: var(--gray-light); }
.avis-card p { color: var(--gray); font-size: 0.9rem; font-style: italic; position: relative; z-index: 1; }

/* ============================================
   CTA BAND
   ============================================ */
.cta-band { padding: 60px 0; background: var(--blue-pale); }
.cta-band-inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.cta-band-text h2 { font-size: 1.8rem; margin-bottom: 6px; }
.cta-band-text p { color: var(--gray); font-size: 1.05rem; }
.cta-band-actions { display: flex; gap: 16px; flex-shrink: 0; }

/* ============================================
   ZONE INTERVENTION
   ============================================ */
.zone-intervention { padding: 100px 0; background: var(--white); }
.zone-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.zone-map { border-radius: var(--radius); overflow: hidden; min-height: 350px; box-shadow: var(--shadow-sm); }
.zone-map iframe { border-radius: var(--radius); display: block; }
.zone-info > p { font-size: 1.05rem; color: var(--gray); margin-bottom: 20px; }
.zone-cities { display: flex; flex-wrap: wrap; gap: 10px; }
.zone-city {
    display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px;
    background: var(--gray-bg); border-radius: 50px; font-size: 0.88rem;
    font-weight: 500; color: var(--navy); border: 1px solid var(--blue-pale);
}
.zone-city i { color: var(--blue); font-size: 0.75rem; }

/* ============================================
   DEVIS (contact page)
   ============================================ */
.devis { padding: 100px 0; background: var(--gray-bg); }
.devis-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.devis-info .section-tag { margin-bottom: 12px; }
.devis-info h2 { font-size: 2.2rem; margin-bottom: 16px; }
.devis-info > p { color: var(--gray); font-size: 1.05rem; margin-bottom: 32px; }
.devis-benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.devis-benefit {
    display: flex; align-items: center; gap: 12px; padding: 16px;
    background: var(--white); border-radius: var(--radius-sm); box-shadow: var(--shadow-sm);
}
.devis-benefit i { font-size: 1.3rem; color: var(--blue); width: 40px; text-align: center; }
.devis-benefit span { font-weight: 600; font-size: 0.9rem; color: var(--navy); font-family: 'Montserrat', sans-serif; }
.devis-form { background: var(--white); padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 0.88rem; color: var(--navy); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px; border: 2px solid var(--blue-pale);
    border-radius: var(--radius-sm); font-family: 'Open Sans', sans-serif;
    font-size: 0.95rem; color: var(--gray-dark); transition: var(--transition); background: var(--white);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(45, 106, 159, 0.15);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7b8d' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px;
}
.form-disclaimer { text-align: center; font-size: 0.8rem; color: var(--gray-light); margin-top: 12px; }

/* ============================================
   CONTACT (contact page)
   ============================================ */
.contact-section { padding: 100px 0; background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-card {
    padding: 28px; background: var(--gray-bg); border-radius: var(--radius);
    text-align: center; transition: var(--transition); border: 1px solid transparent;
}
.contact-card:hover { border-color: var(--blue-pale); box-shadow: var(--shadow-sm); }
.contact-card-icon {
    width: 50px; height: 50px; background: var(--blue-pale); color: var(--blue);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 14px; font-size: 1.2rem;
}
.contact-card h4 { font-size: 1rem; margin-bottom: 8px; }
.contact-card p { font-size: 0.9rem; color: var(--gray); }
.contact-card a { color: var(--blue); }
.contact-card a:hover { color: var(--navy); }
.contact-map { border-radius: var(--radius); overflow: hidden; height: 100%; min-height: 350px; box-shadow: var(--shadow-sm); }
.contact-map iframe { border-radius: var(--radius); }

/* ============================================
   PAGE HERO (sub-pages)
   ============================================ */
.page-hero {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 40%, var(--blue) 100%);
    padding: 160px 0 80px; text-align: center; position: relative;
}
.page-hero::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero h1 { color: var(--white); font-size: 2.8rem; margin-bottom: 12px; position: relative; }
.page-hero p { color: var(--blue-sky); font-size: 1.15rem; position: relative; max-width: 600px; margin: 0 auto; }
.breadcrumb {
    display: flex; justify-content: center; gap: 8px; margin-top: 20px;
    font-size: 0.88rem; position: relative;
}
.breadcrumb a { color: var(--blue-sky); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,0.5); }

/* ============================================
   CONTENT SECTIONS (sub-pages)
   ============================================ */
.content-section { padding: 80px 0; }
.content-section:nth-child(even) { background: var(--gray-bg); }
.content-block { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.content-block.reverse { direction: rtl; }
.content-block.reverse > * { direction: ltr; }
.content-block-text h2 { font-size: 2rem; margin-bottom: 16px; }
.content-block-text p { color: var(--gray); font-size: 1rem; margin-bottom: 16px; }
.content-block-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.content-block-img img { width: 100%; height: 350px; object-fit: cover; }

.features-list { list-style: none; margin: 16px 0; }
.features-list li {
    padding: 10px 0; display: flex; align-items: flex-start; gap: 12px;
    font-size: 0.95rem; border-bottom: 1px solid var(--blue-pale);
}
.features-list li:last-child { border-bottom: none; }
.features-list i { color: var(--blue); margin-top: 4px; }

/* Gallery grid for sub-pages */
.gallery-section { padding: 80px 0; background: var(--gray-bg); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-item {
    border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3;
    box-shadow: var(--shadow-sm); transition: var(--transition);
}
.gallery-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.05); }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: var(--navy-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-logo { height: auto; width: 200px; margin-bottom: 16px; border-radius: var(--radius-sm); background: var(--white); padding: 10px; }
.footer-about p { font-size: 0.9rem; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
    width: 38px; height: 38px; background: rgba(255,255,255,0.1); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; color: var(--blue-sky); transition: var(--transition);
}
.footer-social a:hover { background: var(--blue); color: var(--white); }
.footer-col h4 {
    color: var(--white); font-size: 1rem; margin-bottom: 20px;
    position: relative; padding-bottom: 10px;
}
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--blue); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.9rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--blue-sky); padding-left: 4px; }
.footer-contact-list li { display: flex; align-items: flex-start; gap: 10px; }
.footer-contact-list i { color: var(--blue-sky); margin-top: 3px; width: 16px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0;
    display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a:hover { color: var(--blue-sky); }

/* ============================================
   BACK TO TOP & FLOATING PHONE
   ============================================ */
.back-to-top {
    position: fixed; bottom: 90px; right: 24px; width: 48px; height: 48px;
    background: var(--blue); color: var(--white); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
    box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(20px);
    transition: var(--transition); z-index: 99;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--navy); transform: translateY(-3px); }

.floating-phone {
    position: fixed; bottom: 24px; right: 24px; width: 56px; height: 56px;
    background: var(--blue); color: var(--white); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
    box-shadow: 0 4px 20px rgba(45, 106, 159, 0.4); z-index: 99;
    animation: pulse-phone 2s infinite;
}
.floating-phone:hover { background: var(--navy); transform: scale(1.1); }
@keyframes pulse-phone {
    0% { box-shadow: 0 0 0 0 rgba(45, 106, 159, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(45, 106, 159, 0); }
    100% { box-shadow: 0 0 0 0 rgba(45, 106, 159, 0); }
}

/* ============================================
   ANIMATIONS
   ============================================ */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .section-header h2 { font-size: 2rem; }
    .hero-inner { flex-direction: column; text-align: center; }
    .hero-text { max-width: 100%; }
    .hero-text h1 { font-size: 2.6rem; }
    .hero-badges { justify-content: center; }
    .hero-cta { justify-content: center; }
    .hero-image-showcase { flex: none; }
    .hero-photo { width: 300px; height: 380px; }
    .hero-desc { margin: 0 auto 28px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: none; }
    .certif-banner-inner { flex-wrap: wrap; }
    .certif-banner-cta { width: 100%; text-align: center; }
    .prestations-grid, .realisations-grid, .partenaires-showcase { grid-template-columns: repeat(2, 1fr); }
    .engagements-grid { grid-template-columns: repeat(2, 1fr); }
    .avis-grid { grid-template-columns: repeat(2, 1fr); }
    .certifications-grid { grid-template-columns: 1fr 1fr; }
    .devis-wrapper, .contact-grid, .zone-grid { grid-template-columns: 1fr; }
    .content-block { grid-template-columns: 1fr; gap: 30px; }
    .content-block.reverse { direction: ltr; }
    .cta-band-inner { flex-direction: column; text-align: center; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .header-top { display: none; }
    .menu-toggle { display: flex; position: relative; z-index: 1002; }
    .nav-menu {
        position: fixed; top: 0; right: -100%; width: 300px; height: 100vh;
        background: var(--white); flex-direction: column; padding: 80px 24px 30px;
        gap: 0; box-shadow: var(--shadow-lg); transition: right 0.35s ease; z-index: 1001; overflow-y: auto;
        list-style: none;
    }
    .nav-menu.active { right: 0; }
    .nav-menu > li { border-bottom: 1px solid var(--blue-pale); }
    .nav-menu > li:last-child { border-bottom: none; }
    .nav-menu > li > a { padding: 16px 16px; width: 100%; display: block; font-size: 0.95rem; border-bottom: none; border-radius: 0; }
    .nav-menu > li > a:hover, .nav-menu > li > a.active { background: var(--blue-pale); color: var(--blue); }

    /* Dropdown mobile : masqué par défaut, toggle via JS */
    .has-dropdown > a { display: flex !important; align-items: center; justify-content: space-between; }
    .has-dropdown > a i { transition: transform 0.3s ease; }
    .has-dropdown.open > a i { transform: rotate(180deg); }
    .dropdown {
        position: static; opacity: 1; visibility: visible; transform: none;
        box-shadow: none; padding: 0 0 0 16px; background: var(--gray-bg);
        max-height: 0; overflow: hidden; transition: max-height 0.35s ease;
        border-radius: 0; margin: 0;
    }
    .has-dropdown.open .dropdown { max-height: 300px; }
    .dropdown li a { padding: 12px 16px; font-size: 0.9rem; border-radius: 0; border-bottom: 1px solid var(--blue-pale); }
    .dropdown li:last-child a { border-bottom: none; }

    .btn-nav-devis { margin-left: 0 !important; margin-top: 16px; text-align: center; display: block !important; width: 100%; }

    /* Overlay */
    .nav-overlay {
        position: fixed; top: 0; left: 0; width: 100%; height: 100%;
        background: rgba(15, 38, 64, 0.5); z-index: 1000; opacity: 0;
        visibility: hidden; transition: opacity 0.35s ease, visibility 0.35s ease;
    }
    .nav-overlay.active { opacity: 1; visibility: visible; }

    .logo img { height: 60px; }
    .footer-logo { width: 160px; }

    .certif-banner { padding: 40px 0; }
    .certif-banner-inner { flex-direction: column; text-align: center; gap: 24px; }
    .certif-banner-logos { justify-content: center; }
    .certif-banner-logo { width: 100px; height: 100px; }
    .certif-banner-text h3 { font-size: 1.2rem; }
    .certif-banner-badges { justify-content: center; }
    .certif-banner-cta { width: 100%; }
    .certif-banner-cta .btn { width: 100%; }

    .hero-text h1 { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1.05rem; }
    .hero-image-showcase { display: none; }
    .hero-badges { flex-direction: column; gap: 10px; align-items: center; }
    .hero-cta { flex-direction: column; align-items: center; }
    .hero-cta .btn { text-align: center; justify-content: center; width: 100%; max-width: 320px; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .prestations-grid, .realisations-grid, .avis-grid, .partenaires-showcase, .certifications-grid { grid-template-columns: 1fr; }
    .certification-logos { gap: 30px; }
    .certification-logo-item img { height: 100px; }
    .engagements-grid { grid-template-columns: 1fr; gap: 16px; }
    .avis-stats { flex-direction: column; align-items: center; gap: 16px; }
    .contact-cards { grid-template-columns: 1fr; }
    .devis-benefits { grid-template-columns: 1fr; }
    .devis-form { padding: 24px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .cta-band-actions { flex-direction: column; width: 100%; }
    .cta-band-actions .btn { width: 100%; }
    .page-hero { padding: 130px 0 60px; }
    .page-hero h1 { font-size: 2rem; }
    .gallery-grid { grid-template-columns: 1fr; }
    .zone-cities { gap: 8px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-text h1 { font-size: 1.9rem; }
    .section-header h2 { font-size: 1.7rem; }
    .devis-info h2 { font-size: 1.5rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 0; }
    .stat-number { font-size: 2rem; }
}