/* ===================================================
   ACDHESIF — www.acdhesif.fr
   Feuille de style globale
   =================================================== */

/* ===== RESET & VARIABLES ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --blue-deep: #0B1D3A;
    --blue-mid: #1A3A6B;
    --blue-accent: #2E7DD6;
    --blue-light: #4DA3F2;
    --orange-fire: #F57C20;
    --orange-light: #FFB347;
    --white: #FFFFFF;
    --gray-100: #F4F6F9;
    --gray-200: #E2E6EC;
    --gray-400: #9BA3B0;
    --gray-600: #5A6272;
    --gray-800: #2D3342;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(11,29,58,0.10);
    --shadow-hover: 0 8px 40px rgba(11,29,58,0.18);
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'DM Sans', sans-serif;
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 0.04em;
    line-height: 1.1;
}
h1 { font-size: clamp(2.5rem, 5vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }

a { color: inherit; text-decoration: none; }

/* ===== HEADER / NAV ===== */
.header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    background: rgba(11,29,58,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0.8rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link { display: flex; align-items: center; gap: 0.6rem; }
.logo-link img {
    height: 44px; width: auto;
    background: var(--white);
    padding: 4px 10px;
    border-radius: 8px;
}

.nav-links { display: flex; gap: 0.3rem; list-style: none; }

.nav-links a {
    display: block;
    padding: 0.6rem 1.2rem;
    color: rgba(255,255,255,0.75);
    font-size: 0.92rem;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
    background: rgba(255,255,255,0.08);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 4px; left: 50%;
    transform: translateX(-50%);
    width: 20px; height: 3px;
    background: var(--orange-fire);
    border-radius: 2px;
}

.nav-cta {
    background: var(--orange-fire) !important;
    color: var(--white) !important;
    font-weight: 600 !important;
    border-radius: 8px !important;
}
.nav-cta:hover { background: #e06c10 !important; transform: translateY(-1px); }

/* Burger */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none; border: none;
    cursor: pointer; padding: 6px;
}
.burger span {
    display: block; width: 26px; height: 2.5px;
    background: var(--white); border-radius: 2px;
    transition: var(--transition);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center; gap: 0.5rem;
    padding: 0.9rem 2rem;
    font-size: 1rem; font-weight: 600;
    border-radius: 10px; border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'DM Sans', sans-serif;
}

.btn-primary {
    background: var(--orange-fire);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(245,124,32,0.35);
}
.btn-primary:hover { background: #e06c10; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(245,124,32,0.45); }

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.25);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.05); }

.btn-secondary { background: var(--blue-deep); color: var(--white); }
.btn-secondary:hover { background: var(--blue-mid); transform: translateY(-2px); }

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    text-align: center;
}

.hero-bg {
    position: absolute; inset: 0; z-index: 0;
}
.hero-bg img {
    width: 100%; height: 100%;
    object-fit: cover; object-position: center;
}

.hero-overlay {
    position: absolute; inset: 0; z-index: 1;
    background:
        linear-gradient(180deg, rgba(11,29,58,0.75) 0%, rgba(11,29,58,0.6) 40%, rgba(11,29,58,0.85) 100%),
        radial-gradient(ellipse at 50% 30%, rgba(46,125,214,0.15), transparent 60%);
}

.hero-content {
    position: relative; z-index: 2;
    max-width: 900px; margin: 0 auto;
    padding: 8rem 2rem 4rem;
}

.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem 1.4rem;
    background: rgba(245,124,32,0.15);
    border: 1px solid rgba(245,124,32,0.4);
    border-radius: 100px;
    color: var(--orange-light);
    font-size: 0.95rem; font-weight: 600;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out;
    backdrop-filter: blur(8px);
}

.hero h1 {
    color: var(--white);
    font-size: clamp(3.5rem, 8vw, 7rem);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.1s both;
    text-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.hero h1 span {
    background: linear-gradient(135deg, var(--orange-fire), var(--orange-light));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-desc {
    color: rgba(255,255,255,0.8);
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    max-width: 650px; margin: 0 auto 2.5rem;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
    display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.3s both;
    margin-bottom: 3.5rem;
}

.btn-lg { padding: 1.1rem 2.5rem; font-size: 1.1rem; }

.hero-stats {
    display: flex; align-items: center; justify-content: center; gap: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.5s both;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 1.5rem 2.5rem;
    max-width: 700px; margin: 0 auto;
}

.hero-stat { text-align: center; }
.hero-stat strong {
    display: block;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.2rem; color: var(--orange-fire);
    line-height: 1;
}
.hero-stat span {
    font-size: 0.78rem; color: rgba(255,255,255,0.6);
    text-transform: uppercase; letter-spacing: 0.08em;
}

.hero-stat-divider {
    width: 1px; height: 40px;
    background: rgba(255,255,255,0.15);
}

.hero-scroll {
    position: absolute; bottom: 2rem; left: 50%;
    transform: translateX(-50%); z-index: 2;
    animation: bounce 2s infinite;
}
.hero-scroll a {
    display: flex; align-items: center; justify-content: center;
    width: 44px; height: 44px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    color: rgba(255,255,255,0.6);
    font-size: 1.2rem;
    transition: var(--transition);
}
.hero-scroll a:hover { border-color: var(--orange-fire); color: var(--orange-fire); }

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

/* ===== SECTIONS ===== */
.section { padding: 6rem 2rem; }
.section-inner { max-width: 1280px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 4rem; }
.section-label {
    display: inline-block;
    font-size: 0.8rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.15em;
    color: var(--orange-fire);
    margin-bottom: 0.8rem;
}
.section-header h2 { color: var(--blue-deep); }
.section-header p { max-width: 600px; margin: 1rem auto 0; color: var(--gray-600); font-size: 1.05rem; }

.bg-gray { background: var(--gray-100); }

/* ===== PAGE HERO (sous-pages) ===== */
.page-hero {
    padding: 10rem 2rem 5rem;
    background: linear-gradient(135deg, var(--blue-deep), var(--blue-mid));
    text-align: center;
    position: relative; overflow: hidden;
}
.page-hero::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse at 50% 80%, rgba(46,125,214,0.12), transparent 60%);
}
.page-hero h1 { color: var(--white); margin-bottom: 1rem; position: relative; }
.page-hero p { color: rgba(255,255,255,0.7); font-size: 1.15rem; max-width: 600px; margin: 0 auto; position: relative; }

/* Breadcrumb */
.breadcrumb { max-width: 1280px; margin: 0 auto; padding: 1.5rem 2rem; font-size: 0.85rem; color: var(--gray-400); }
.breadcrumb a { color: var(--blue-accent); transition: var(--transition); }
.breadcrumb a:hover { color: var(--orange-fire); }

/* ===== SERVICE CARDS (accueil) ===== */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2.2rem;
    transition: var(--transition);
    position: relative; overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--blue-accent), var(--orange-fire));
    transform: scaleX(0); transform-origin: left;
    transition: var(--transition);
}
.service-card:hover { border-color: transparent; box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
    width: 56px; height: 56px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; margin-bottom: 1.2rem;
}
.service-card h3 { color: var(--blue-deep); margin-bottom: 0.6rem; }
.service-card p { color: var(--gray-600); font-size: 0.95rem; }

.icon-panel   { background: linear-gradient(135deg, #E3F0FF, #D0E8FF); }
.icon-cover   { background: linear-gradient(135deg, #FFF3E3, #FFE6CC); }
.icon-bande   { background: linear-gradient(135deg, #E8F5E9, #C8E6C9); }
.icon-adhesif { background: linear-gradient(135deg, #F3E5F5, #E1BEE7); }
.icon-signal  { background: linear-gradient(135deg, #FFF8E1, #FFECB3); }
.icon-print   { background: linear-gradient(135deg, #E0F7FA, #B2EBF2); }

/* ===== SERVICE DETAIL (page services) ===== */
.service-detail { max-width: 1280px; margin: 0 auto; padding: 3rem 2rem 5rem; }

.service-block {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 4rem; align-items: center;
    padding: 4rem 0;
    border-bottom: 1px solid var(--gray-200);
}
.service-block:last-child { border-bottom: none; }
.service-block.reversed .service-block-text { order: 2; }
.service-block.reversed .service-block-img { order: 1; }

.service-block-img { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 16/11; }
.service-block-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.service-block-img:hover img { transform: scale(1.04); }

.service-tag {
    display: inline-block; padding: 0.3rem 0.8rem;
    background: rgba(245,124,32,0.1); color: var(--orange-fire);
    font-size: 0.8rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em;
    border-radius: 6px; margin-bottom: 1rem;
}
.service-block-text h2 { color: var(--blue-deep); margin-bottom: 1rem; }
.service-block-text p { color: var(--gray-600); font-size: 1.02rem; margin-bottom: 1rem; }

.service-features { list-style: none; margin-top: 1.5rem; }
.service-features li {
    padding: 0.5rem 0 0.5rem 1.8rem;
    position: relative; color: var(--gray-600); font-size: 0.95rem;
}
.service-features li::before { content: '✓'; position: absolute; left: 0; color: var(--orange-fire); font-weight: 700; }

/* ===== GALLERY (accueil + réalisations) ===== */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }

.gallery-item {
    position: relative; border-radius: var(--radius-lg);
    overflow: hidden; aspect-ratio: 16/10; cursor: pointer;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.gallery-item:hover img { transform: scale(1.08); }

.gallery-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(11,29,58,0.7), transparent 60%);
    display: flex; align-items: flex-end; padding: 1.2rem;
    opacity: 0; transition: var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { color: var(--white); font-weight: 600; font-size: 0.9rem; }

.gallery-cta { text-align: center; margin-top: 2.5rem; }

/* Gallery masonry (réalisations) */
.gallery-masonry { max-width: 1280px; margin: 0 auto; padding: 0 2rem 5rem; columns: 3; column-gap: 1.2rem; }

.gallery-card {
    break-inside: avoid; margin-bottom: 1.2rem;
    border-radius: var(--radius-lg); overflow: hidden;
    position: relative; cursor: pointer;
    background: var(--white); box-shadow: var(--shadow);
    transition: var(--transition);
}
.gallery-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.gallery-card img { width: 100%; display: block; transition: transform 0.5s ease; }
.gallery-card:hover img { transform: scale(1.04); }
.gallery-card.hidden { display: none; }

.gallery-card-info { padding: 1rem 1.2rem; }
.gallery-card-tag {
    display: inline-block; padding: 0.2rem 0.6rem;
    background: rgba(245,124,32,0.1); color: var(--orange-fire);
    font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.08em; border-radius: 4px; margin-bottom: 0.4rem;
}
.gallery-card-info h3 { font-size: 1.1rem; color: var(--blue-deep); }
.gallery-card-info p { font-size: 0.85rem; color: var(--gray-400); margin-top: 0.2rem; }

/* Filter bar */
.filter-bar { max-width: 1280px; margin: 0 auto 2rem; padding: 0 2rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.filter-btn {
    padding: 0.5rem 1.2rem; background: var(--white);
    border: 1px solid var(--gray-200); border-radius: 100px;
    font-family: 'DM Sans', sans-serif; font-size: 0.88rem;
    font-weight: 500; color: var(--gray-600);
    cursor: pointer; transition: var(--transition);
}
.filter-btn:hover { border-color: var(--blue-accent); color: var(--blue-accent); }
.filter-btn.active { background: var(--blue-deep); color: var(--white); border-color: var(--blue-deep); }

/* ===== WHY US ===== */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }

.why-card { text-align: center; padding: 2rem 1.5rem; }
.why-number {
    font-family: 'Bebas Neue', sans-serif; font-size: 3.5rem;
    background: linear-gradient(135deg, var(--orange-fire), var(--blue-accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    line-height: 1; margin-bottom: 0.8rem;
}
.why-card h3 { color: var(--blue-deep); margin-bottom: 0.5rem; }
.why-card p { color: var(--gray-600); font-size: 0.93rem; }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; margin-bottom: 5rem; }
.about-text h2 { color: var(--blue-deep); margin-bottom: 1.2rem; }
.about-text p { color: var(--gray-600); font-size: 1.02rem; margin-bottom: 1rem; }
.about-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.about-img img { width: 100%; height: 100%; object-fit: cover; }

.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; margin-top: 3rem; }
.value-card { background: var(--gray-100); border-radius: var(--radius-lg); padding: 2.5rem; text-align: center; transition: var(--transition); }
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.value-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.value-card h3 { color: var(--blue-deep); margin-bottom: 0.6rem; }
.value-card p { color: var(--gray-600); font-size: 0.95rem; }

.timeline { position: relative; max-width: 700px; margin: 4rem auto 0; padding-left: 3rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(to bottom, var(--orange-fire), var(--blue-accent)); border-radius: 2px; }
.timeline-item { position: relative; margin-bottom: 2.5rem; padding-left: 2rem; }
.timeline-item::before { content: ''; position: absolute; left: -3.15rem; top: .3rem; width: 14px; height: 14px; background: var(--orange-fire); border: 3px solid var(--white); border-radius: 50%; box-shadow: 0 0 0 4px rgba(245,124,32,0.2); }
.timeline-year { font-family: 'Bebas Neue', sans-serif; font-size: 1.4rem; color: var(--blue-accent); margin-bottom: 0.3rem; }
.timeline-item p { color: var(--gray-600); font-size: 0.95rem; }

/* ===== CONTACT FORM ===== */
.contact-section { max-width: 1280px; margin: 0 auto; padding: 3rem 2rem 5rem; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }

.contact-info h2 { color: var(--blue-deep); margin-bottom: 1.5rem; }
.contact-info > p { color: var(--gray-600); font-size: 1rem; margin-bottom: 2rem; }

.info-card {
    background: var(--white); border-radius: var(--radius-lg);
    padding: 1.8rem; box-shadow: var(--shadow);
    margin-bottom: 1.2rem; display: flex; gap: 1.2rem; align-items: flex-start;
    transition: var(--transition);
}
.info-card:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(11,29,58,0.14); }
.info-icon { width: 50px; height: 50px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; flex-shrink: 0; }
.icon-mail     { background: linear-gradient(135deg, #E3F0FF, #D0E8FF); }
.icon-phone    { background: linear-gradient(135deg, #E8F5E9, #C8E6C9); }
.icon-location { background: linear-gradient(135deg, #FFF3E3, #FFE6CC); }
.icon-clock    { background: linear-gradient(135deg, #F3E5F5, #E1BEE7); }
.info-card h3 { color: var(--blue-deep); margin-bottom: 0.3rem; font-size: 1.1rem; }
.info-card p { color: var(--gray-600); font-size: 0.92rem; margin-bottom: 0; }
.info-card a { color: var(--blue-accent); transition: var(--transition); }
.info-card a:hover { color: var(--orange-fire); }

.contact-form-wrap { background: var(--white); border-radius: var(--radius-lg); padding: 2.5rem; box-shadow: var(--shadow); }
.contact-form-wrap h2 { color: var(--blue-deep); margin-bottom: 0.5rem; }
.contact-form-wrap > p { color: var(--gray-400); font-size: 0.9rem; margin-bottom: 2rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--gray-800); margin-bottom: 0.4rem; }
.form-group label .required { color: var(--orange-fire); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 0.75rem 1rem;
    border: 1.5px solid var(--gray-200); border-radius: 10px;
    font-family: 'DM Sans', sans-serif; font-size: 0.95rem;
    color: var(--gray-800); background: var(--gray-100);
    transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--blue-accent); background: var(--white); box-shadow: 0 0 0 3px rgba(46,125,214,0.1); }
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group input.error, .form-group textarea.error { border-color: #E53935; background: #FFF5F5; }
.error-msg { color: #E53935; font-size: 0.8rem; margin-top: 0.3rem; display: none; }

.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; overflow: hidden; }

.form-consent { display: flex; gap: 0.6rem; align-items: flex-start; margin: 1.5rem 0; }
.form-consent input[type="checkbox"] { margin-top: 0.3rem; accent-color: var(--blue-accent); width: 18px; height: 18px; flex-shrink: 0; }
.form-consent label { font-size: 0.85rem; color: var(--gray-600); cursor: pointer; }

.btn-submit {
    width: 100%; padding: 1rem;
    background: var(--orange-fire); color: var(--white);
    border: none; border-radius: 10px;
    font-family: 'DM Sans', sans-serif; font-size: 1.05rem; font-weight: 700;
    cursor: pointer; transition: var(--transition);
}
.btn-submit:hover { background: #e06c10; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(245,124,32,0.35); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.form-success { display: none; text-align: center; padding: 3rem 2rem; }
.form-success .check { font-size: 4rem; margin-bottom: 1rem; }
.form-success h2 { color: var(--blue-deep); margin-bottom: 0.8rem; }
.form-success p { color: var(--gray-600); font-size: 1.05rem; }

/* ===== CTA BAND ===== */
.cta-band {
    background: linear-gradient(135deg, var(--blue-deep), var(--blue-mid));
    padding: 5rem 2rem; text-align: center;
    position: relative; overflow: hidden;
}
.cta-band::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(245,124,32,0.08), transparent 70%); }
.cta-band h2 { color: var(--white); margin-bottom: 1rem; position: relative; }
.cta-band p { color: rgba(255,255,255,0.7); font-size: 1.1rem; margin-bottom: 2rem; position: relative; }
.cta-band .btn { position: relative; }

/* ===== FOOTER ===== */
.footer { background: var(--blue-deep); color: rgba(255,255,255,0.6); padding: 4rem 2rem 2rem; }
.footer-inner { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; }
.footer-brand img { height: 40px; margin-bottom: 1rem; background: var(--white); padding: 4px 10px; border-radius: 8px; }
.footer-brand p { font-size: 0.9rem; max-width: 280px; line-height: 1.6; }
.footer h4 { font-family: 'Bebas Neue', sans-serif; font-size: 1.2rem; color: var(--white); letter-spacing: 0.05em; margin-bottom: 1.2rem; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 0.6rem; }
.footer ul a { font-size: 0.9rem; transition: var(--transition); }
.footer ul a:hover { color: var(--orange-fire); }
.footer-bottom {
    max-width: 1280px; margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.82rem;
}
.footer-bottom a { transition: var(--transition); }
.footer-bottom a:hover { color: var(--orange-fire); }

/* ===== LIGHTBOX ===== */
.lightbox {
    display: none; position: fixed; inset: 0;
    z-index: 9999; background: rgba(0,0,0,0.92);
    align-items: center; justify-content: center; padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: var(--radius); }
.lightbox-close {
    position: absolute; top: 1.5rem; right: 2rem;
    background: none; border: none; color: white; font-size: 2rem;
    cursor: pointer; width: 50px; height: 50px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; transition: var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,0.1); }

/* ===== MENTIONS LEGALES ===== */
.legal-content { max-width: 800px; margin: 0 auto; padding: 3rem 2rem 5rem; }
.legal-content h2 { color: var(--blue-deep); margin: 2.5rem 0 1rem; padding-top: 1rem; border-top: 1px solid var(--gray-200); }
.legal-content h2:first-of-type { border-top: none; margin-top: 0; }
.legal-content p { color: var(--gray-600); margin-bottom: 1rem; }
.legal-content strong { color: var(--gray-800); }
.placeholder { background: var(--gray-100); border: 2px dashed var(--gray-200); border-radius: 8px; padding: 1rem; color: var(--orange-fire); font-weight: 600; font-size: 0.9rem; margin: 0.5rem 0 1rem; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .hero-stats { gap: 1rem; padding: 1.2rem 1.5rem; }
    .hero-stat strong { font-size: 1.8rem; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-masonry { columns: 2; }
    .service-block { grid-template-columns: 1fr; gap: 2rem; }
    .service-block.reversed .service-block-text { order: 1; }
    .service-block.reversed .service-block-img { order: 2; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-section { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute; top: 100%; left: 0; width: 100%;
        background: rgba(11,29,58,0.98);
        flex-direction: column; padding: 1rem;
        border-top: 1px solid rgba(255,255,255,0.06);
    }
    .nav-links.open { display: flex; }
    .burger { display: flex; }
    .hero h1 { font-size: clamp(2.8rem, 10vw, 4.5rem); }
    .hero-content { padding: 7rem 1.5rem 3rem; }
    .hero-stats { flex-wrap: wrap; gap: 0.8rem; padding: 1rem; }
    .hero-stat-divider { display: none; }
    .hero-stat { flex: 1 1 40%; }
    .hero-scroll { display: none; }
    .btn-lg { padding: 0.9rem 1.8rem; font-size: 1rem; }
    .section { padding: 4rem 1.5rem; }
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-masonry { columns: 1; }
    .form-row { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}

/* ===== AJOUTS SEO / ACCESSIBILITÉ (2026-08) ===== */

/* Lien d'évitement clavier — masqué jusqu'au focus */
.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 999;
    background: var(--blue-deep); color: var(--white);
    padding: 0.75rem 1.25rem; border-radius: 0 0 var(--radius) 0;
    font-weight: 600; text-decoration: none;
}
.skip-link:focus { left: 0; }

/* Nom de marque en toutes lettres dans le pied de page (signal d'entité) */
.footer-name { color: rgba(255,255,255,0.85); margin-bottom: 0.6rem; }
.footer-name strong { color: var(--white); font-family: 'Bebas Neue', sans-serif; letter-spacing: 0.06em; font-size: 1.15rem; }

/* Profils externes (sameAs) */
.footer-social { list-style: none; margin-top: 1.2rem; }
.footer-social li { margin-bottom: 0.4rem; }
.footer-social a { font-size: 0.85rem; }

/* Bloc de réassurance locale en bas de page */
.local-seo { background: var(--gray-100); padding: 3.5rem 2rem; }
.local-seo-inner { max-width: 900px; margin: 0 auto; }
.local-seo h2 { font-size: 1.6rem; margin-bottom: 1rem; }
.local-seo p { color: var(--gray-600); margin-bottom: 1rem; font-size: 0.98rem; }
.local-seo ul { margin: 0 0 1rem 1.2rem; color: var(--gray-600); font-size: 0.95rem; }

/* FAQ */
.faq { max-width: 900px; margin: 0 auto; padding: 1rem 0 0; }
.faq details {
    border: 1px solid var(--gray-200); border-radius: var(--radius);
    padding: 1rem 1.25rem; margin-bottom: 0.75rem; background: var(--white);
}
.faq details[open] { box-shadow: var(--shadow); }
.faq summary { cursor: pointer; font-weight: 600; color: var(--gray-800); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; float: right; color: var(--orange-fire); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin-top: 0.75rem; color: var(--gray-600); font-size: 0.95rem; }

/* Page 404 */
.err-page { max-width: 720px; margin: 0 auto; padding: 6rem 2rem; text-align: center; }
.err-page .err-code { font-family: 'Bebas Neue', sans-serif; font-size: 6rem; line-height: 1; color: var(--orange-fire); }
.err-page ul { list-style: none; margin-top: 2rem; display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; }

/* Pied de page : bloc de droite (mentions légales + crédit de réalisation) */
.footer-bottom-right { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; justify-content: flex-end; }
.footer-credit { color: rgba(255,255,255,0.45); }
.footer-credit a { color: rgba(255,255,255,0.72); font-weight: 600; }
.footer-credit a:hover { color: var(--orange-fire); }
@media (max-width: 640px) {
    .footer-bottom-right { flex-direction: column; gap: 0.5rem; justify-content: center; }
}