/* ============================================
   HABILLAGE CHANTIER - Style Wall-tek Inspired
   Primary: #0A1E3D (dark navy) / #1B5EBF (blue accent)
   ALL ACCENTS: BLUE (no orange)
   ============================================ */

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    color: #333;
    line-height: 1.7;
    background: #fff;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color 0.3s; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

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

/* --- COLORS --- */
:root {
    --primary: #0A1E3D;
    --blue: #1B5EBF;
    --blue-light: #2D7BE5;
    --blue-dark: #0E3A7D;
    --accent: #1B5EBF;
    --accent-hover: #1550A8;
    --accent-light: #3A8FFF;
    --dark: #111;
    --grey-light: #f5f7fa;
    --grey: #e0e4ea;
    --white: #fff;
    --text: #333;
    --text-light: #666;
}

/* --- HEADER / NAVIGATION --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--primary);
    transition: background 0.3s, box-shadow 0.3s;
}

.header.scrolled {
    background: rgba(10, 30, 61, 0.97);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    height: 80px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-links a {
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px 14px;
    border-radius: 4px;
    transition: all 0.3s;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-light);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a::after {
    content: ' ▾';
    font-size: 10px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--primary);
    min-width: 280px;
    padding: 10px 0;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 100;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 12px;
    color: var(--white);
    border-left: 3px solid transparent;
}

.dropdown-menu a:hover {
    color: var(--accent-light);
    border-left-color: var(--accent-light);
    background: rgba(255,255,255,0.05);
}

/* CTA Phone */
.nav-cta {
    background: var(--blue) !important;
    color: var(--white) !important;
    border-radius: 6px !important;
    padding: 10px 18px !important;
    font-weight: 700 !important;
    white-space: nowrap;
}

.nav-cta:hover {
    background: var(--accent-hover) !important;
    color: var(--white) !important;
}

/* Urgence button */
.btn-urgence {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #e74c3c;
    color: #fff;
    padding: 14px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    box-shadow: 0 4px 20px rgba(231,76,60,0.4);
    z-index: 999;
    animation: pulse-urgence 2s infinite;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-urgence:hover {
    background: #c0392b;
    transform: scale(1.05);
}

@keyframes pulse-urgence {
    0%, 100% { box-shadow: 0 4px 20px rgba(231,76,60,0.4); }
    50% { box-shadow: 0 4px 30px rgba(231,76,60,0.7); }
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: all 0.3s;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* --- HERO SLIDER --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active { opacity: 1; }

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* OVERLAY HERO - LÉGER comme Wall-tek */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10,30,61,0.55) 0%, rgba(27,94,191,0.25) 100%);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    width: 90%;
    max-width: 900px;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: var(--blue);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-content p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-arrows {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
    z-index: 3;
    pointer-events: none;
}

.hero-arrow {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.15);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    pointer-events: all;
    transition: all 0.3s;
}

.hero-arrow:hover {
    background: var(--blue);
    border-color: var(--blue);
}

.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all 0.3s;
}

.hero-dot.active {
    background: var(--blue);
    transform: scale(1.2);
}

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--blue);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(27,94,191,0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
}

.btn-blue {
    background: var(--blue);
    color: var(--white);
}

.btn-blue:hover {
    background: var(--blue-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(27,94,191,0.4);
}

/* --- SECTION STYLES --- */
.section {
    padding: 80px 0;
}

.section-dark {
    background: var(--primary);
    color: var(--white);
}

.section-grey {
    background: var(--grey-light);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 38px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 15px;
    line-height: 1.2;
}

.section-dark .section-title h2 {
    color: var(--white);
}

.section-title .subtitle {
    font-size: 17px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-dark .section-title .subtitle {
    color: rgba(255,255,255,0.7);
}

.section-title .line {
    width: 60px;
    height: 4px;
    background: var(--blue);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* --- CATEGORY ICONS (Wall-tek style - abstract geometric, thick strokes, BLUE) --- */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.category-card {
    text-align: center;
    padding: 30px 15px;
    transition: all 0.3s;
    border-radius: 12px;
}

.category-card:hover {
    transform: translateY(-8px);
    background: var(--grey-light);
}

.category-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-icon svg {
    width: 90px;
    height: 90px;
}

.category-card h3 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.category-card .voir-plus {
    font-size: 13px;
    color: var(--blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.category-card:hover .voir-plus {
    color: var(--accent-hover);
}

/* --- ABOUT SECTION --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* Image armature: sans cadre, directement sur fond blanc */
.about-image {
    border-radius: 0;
    overflow: visible;
    box-shadow: none;
    background: transparent;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image img {
    width: 100%;
    height: auto;
    max-height: 550px;
    object-fit: contain;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
}

.about-text h2 {
    font-size: 34px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 20px;
    line-height: 1.2;
}

.about-text p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

/* --- FEATURES SECTION --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    transition: all 0.3s;
    border-top: 4px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    border-top-color: var(--blue);
}

.feature-card .icon {
    width: 60px;
    height: 60px;
    background: rgba(27,94,191,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card .icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--blue);
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* --- STEPS SECTION --- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    counter-reset: step;
}

.step-card {
    text-align: center;
    padding: 30px 20px;
    position: relative;
    counter-increment: step;
}

.step-card::before {
    content: counter(step, decimal-leading-zero);
    display: block;
    font-size: 48px;
    font-weight: 800;
    color: var(--blue);
    opacity: 0.2;
    margin-bottom: 15px;
}

.step-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.step-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
}

/* --- FAQ --- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--grey);
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    padding: 20px 25px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
    background: var(--white);
}

.faq-question:hover {
    background: var(--grey-light);
}

.faq-question::after {
    content: '+';
    font-size: 22px;
    font-weight: 300;
    color: var(--blue);
    transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    padding: 0 25px 20px;
    max-height: 500px;
}

/* --- TRUST / LOGOS CAROUSEL --- */
/* --- TRUST CAROUSEL (Infinite Scroll) --- */
.trust-carousel {
    overflow: hidden;
    padding: 30px 0;
    position: relative;
}

.trust-carousel::before,
.trust-carousel::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.trust-carousel::before {
    left: 0;
    background: linear-gradient(to right, #fff, transparent);
}

.trust-carousel::after {
    right: 0;
    background: linear-gradient(to left, #fff, transparent);
}

.trust-carousel-track {
    display: flex;
    gap: 60px;
    animation: scroll-infinite 30s linear infinite;
    width: max-content;
}

.trust-carousel-track:hover {
    animation-play-state: paused;
}

.trust-logo-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    min-width: 200px;
}

.trust-logo-item img {
    max-height: 120px;
    max-width: 200px;
    width: auto;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s;
    object-fit: contain;
}

.trust-logo-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

@keyframes scroll-infinite {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* --- OLD TRUST LOGOS (kept for other pages) --- */
.trust-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    padding: 20px 0;
}

.trust-logos img {
    height: 50px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s;
}

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

/* --- PARTNERS (Mur de Confiance) --- */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.partner-badge {
    background: rgba(27,94,191,0.08);
    padding: 15px 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    font-size: 13px;
    color: var(--primary);
    border: 1px solid rgba(27,94,191,0.15);
    transition: all 0.3s;
}

.partner-badge:hover {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}

/* --- CTA SECTION --- */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--blue-dark) 100%);
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 17px;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto 30px;
    line-height: 1.7;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.cta-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    opacity: 0.9;
}

.cta-features span::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--blue);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
}

/* --- GALLERY / REALISATIONS --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

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

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(10,30,61,0.8));
    color: var(--white);
    transform: translateY(100%);
    transition: transform 0.3s;
}

.gallery-item:hover .overlay {
    transform: translateY(0);
}

/* Gallery filter buttons */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border: 2px solid var(--grey);
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--white);
    color: var(--text);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}

/* --- PRODUCT PAGE HERO --- */
.page-hero {
    position: relative;
    height: 50vh;
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    margin-top: 80px;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10,30,61,0.7) 0%, rgba(27,94,191,0.4) 100%);
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 0 20px;
}

.page-hero-content h1 {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-hero-content p {
    font-size: 18px;
    opacity: 0.9;
    line-height: 1.6;
}

/* --- PRODUCT CONTENT --- */
.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 80px 0;
}

.product-content.reverse {
    direction: rtl;
}

.product-content.reverse > * {
    direction: ltr;
}

.product-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.product-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.product-text h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 15px;
}

.product-text h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--blue);
    margin-bottom: 15px;
}

.product-text p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
}

.product-text ul {
    margin-bottom: 20px;
}

.product-text ul li {
    padding: 8px 0;
    padding-left: 30px;
    position: relative;
    font-size: 15px;
    color: var(--text-light);
}

.product-text ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--blue);
    font-weight: 700;
}

/* --- EXPERT TIP --- */
.expert-tip {
    background: linear-gradient(135deg, rgba(27,94,191,0.08), rgba(27,94,191,0.03));
    border-left: 4px solid var(--blue);
    padding: 25px 30px;
    border-radius: 0 12px 12px 0;
    margin: 30px 0;
}

.expert-tip h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 10px;
}

.expert-tip p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* --- CONTACT FORM --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--grey);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
}

.form-check input[type="checkbox"] {
    margin-top: 3px;
    width: 18px;
    height: 18px;
    accent-color: var(--blue);
}

.form-check label {
    font-size: 13px;
    color: var(--text-light);
}

.contact-info h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

.contact-info p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.7;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-detail .icon-circle {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: rgba(27,94,191,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-detail .icon-circle svg {
    width: 22px;
    height: 22px;
    stroke: var(--blue);
}

.contact-detail h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.contact-detail p {
    font-size: 14px;
    margin-bottom: 0;
}

/* --- FOOTER --- */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4,
.footer-col .footer-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col p {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
    margin-bottom: 10px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    padding: 4px 0;
    transition: color 0.3s;
}

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

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--blue);
}

.footer-social a svg {
    width: 18px;
    height: 18px;
    fill: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 25px;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

/* --- BLOG / ARTICLES --- */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.article-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    transition: all 0.3s;
}

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

.article-card-img {
    height: 200px;
    overflow: hidden;
}

.article-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.article-card:hover .article-card-img img {
    transform: scale(1.05);
}

.article-card-body {
    padding: 25px;
}

.article-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.article-card-body p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

/* --- BADGES TECHNIQUES --- */
.tech-badges {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(27,94,191,0.08);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    color: var(--blue);
    border: 1px solid rgba(27,94,191,0.2);
}

/* --- STUDIO GRAPHIQUE --- */
.studio-services {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.studio-card {
    text-align: center;
    padding: 40px 25px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    transition: all 0.3s;
}

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

.studio-card .icon {
    width: 70px;
    height: 70px;
    background: rgba(27,94,191,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.studio-card .icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--blue);
}

.studio-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.studio-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* --- LIGHTBOX --- */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 36px;
    cursor: pointer;
}

/* --- EXPRESS PAGE --- */
.express-hero {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: var(--white);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    margin-bottom: 40px;
}

.express-hero h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 10px;
}

.express-hero p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.express-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.express-step {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
}

.express-step .number {
    width: 50px;
    height: 50px;
    background: var(--blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    margin: 0 auto 15px;
}

.express-step h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.express-step p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .categories-grid { grid-template-columns: repeat(3, 1fr); gap: 25px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .studio-services { grid-template-columns: repeat(2, 1fr); }
    .express-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hamburger { display: flex; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--primary);
        flex-direction: column;
        padding: 100px 30px 30px;
        transition: right 0.3s;
        align-items: flex-start;
        overflow-y: auto;
    }

    .nav-links.active { right: 0; }

    .nav-links a {
        font-size: 15px;
        padding: 12px 0;
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 15px;
        min-width: auto;
    }

    .hero-content h1 { font-size: 30px; }
    .hero-content p { font-size: 16px; }

    .about-grid,
    .product-content,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .product-content.reverse { direction: ltr; }

    .categories-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .features-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .articles-grid { grid-template-columns: 1fr; }
    .studio-services { grid-template-columns: 1fr; }
    .partners-grid { grid-template-columns: repeat(2, 1fr); }
    .express-steps { grid-template-columns: 1fr; }

    .section-title h2 { font-size: 28px; }
    .page-hero-content h1 { font-size: 30px; }
    .cta-section h2 { font-size: 28px; }

    .btn-urgence {
        bottom: 15px;
        right: 15px;
        padding: 10px 18px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .categories-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .category-icon { width: 70px; height: 70px; }
    .category-icon svg { width: 65px; height: 65px; }
    .hero-content h1 { font-size: 24px; }
    .gallery-grid { grid-template-columns: 1fr; }
    .trust-carousel-track { gap: 40px; }
    .trust-logo-item { height: 90px; min-width: 150px; }
    .trust-logo-item img { max-height: 90px; max-width: 150px; }
    .trust-logos { gap: 20px; }
    .trust-logos img { height: 35px; }
}

/* --- ANIMATIONS --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s, transform 0.6s;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- SCROLL TO TOP --- */
.scroll-top {
    position: fixed;
    bottom: 90px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 998;
    box-shadow: 0 4px 15px rgba(27,94,191,0.3);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--blue-light);
    transform: translateY(-3px);
}

/* --- MASONRY GALLERY --- */
.gallery-grid.masonry {
    columns: 3;
    column-gap: 20px;
    display: block;
}

.gallery-grid.masonry .gallery-item {
    break-inside: avoid;
    margin-bottom: 20px;
    aspect-ratio: auto;
    display: block;
}

.gallery-grid.masonry .gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 768px) {
    .gallery-grid.masonry { columns: 2; }
}

@media (max-width: 480px) {
    .gallery-grid.masonry { columns: 1; }
}

/* --- ZOOM LOUPE SUR IMAGES PRODUITS --- */
.product-image {
    position: relative;
    cursor: pointer;
}

.image-zoom-icon {
    position: absolute;
    bottom: 15px;
    right: 15px;
    width: 42px;
    height: 42px;
    background: rgba(27,94,191,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.image-zoom-icon svg {
    width: 20px;
    height: 20px;
    stroke: #fff;
}

.product-image:hover .image-zoom-icon {
    opacity: 1;
    transform: scale(1);
}

/* --- PRODUCTS CARDS GRID (page intermédiaire) --- */
.products-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    transition: all 0.3s;
    display: block;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.product-card-img {
    height: 220px;
    overflow: hidden;
}

.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.product-card:hover .product-card-img img {
    transform: scale(1.08);
}

.product-card-body {
    padding: 25px;
}

.product-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    line-height: 1.3;
}

.product-card-body p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.product-card-link {
    font-size: 14px;
    font-weight: 700;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

.product-card:hover .product-card-link {
    color: var(--accent-hover);
}

@media (max-width: 768px) {
    .products-cards-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 480px) {
    .products-cards-grid { grid-template-columns: 1fr; }
}