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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background-image: url('fond du site.png');
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding-bottom: 100px;
}

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

/* Navigation */
.navbar {
    background-color: rgba(26, 26, 26, 0.4);
    color: white;
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(167, 38, 38, 0.2);
    backdrop-filter: blur(10px);
    transition: transform 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.navbar.hide {
    transform: translateY(-100%);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.logo img {
    height: clamp(90px, 11vw, 150px);
    width: auto;
    display: block;
    background: transparent;
}

@media (max-width: 1024px) {
    .logo img {
        height: clamp(90px, 14vw, 140px);
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-links a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    transition: all 0.3s;
    position: relative;
}

.nav-links .nav-link-stack {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    line-height: 1.15;
    max-width: 170px;
}

.nav-link-line1,
.nav-link-line2,
.mobile-nav-line1,
.mobile-nav-line2 {
    display: block;
}

.nav-link-line2,
.mobile-nav-line2 {
    margin-top: 2px;
    font-size: 0.78rem;
}

.btn-urgence {
    background-color: #a72626 !important;
    color: #ffffff !important;
    padding: 8px 16px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(167, 38, 38, 0.5);
}

.btn-urgence:hover {
    background-color: #4745c9 !important;
    box-shadow: 0 0 20px oklch(92.12% 0.00323 15.43 / 0.8);
}

.nav-links a:hover,
.nav-links a.active {
    color: #0066cc;
    text-shadow: 0 0 10px rgba(0, 102, 204, 0.6);
}

.nav-links a[href="index.html"].active,
.nav-links a[href="travaux.html"].active,
.nav-links a[href="index.html"]:active,
.nav-links a[href="travaux.html"]:active {
    color: #6B992E;
    text-shadow: 0 0 10px rgba(107, 153, 46, 0.5);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #0066cc, transparent);
}

.nav-links a[href="index.html"].active::after,
.nav-links a[href="travaux.html"].active::after {
    background: linear-gradient(90deg, transparent, #6B992E, transparent);
}

.nav-container {
    position: relative;
}

.mobile-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
    color: #ffffff;
    padding: 0;
}

.mobile-nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: currentColor;
    border-radius: 2px;
}

.mobile-nav-menu {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    width: min(280px, calc(100vw - 40px));
    padding: 1rem;
    background: rgba(10, 26, 47, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    z-index: 1001;
}

.mobile-nav-menu.is-open {
    display: flex;
}

.mobile-nav-menu a {
    color: #f5f5f5;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.7rem 0.8rem;
    border-radius: 10px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.mobile-nav-menu a:hover,
.mobile-nav-menu a.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: #6B992E;
}

.mobile-nav-menu a.btn-urgence {
    background-color: #a72626;
    color: #ffffff;
    text-align: center;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(167, 38, 38, 0.5);
}

.mobile-nav-menu a.btn-urgence:hover,
.mobile-nav-menu a.btn-urgence.active {
    background-color: #4745c9;
    color: #ffffff;
}

@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }

    .mobile-nav-toggle {
        display: inline-flex;
    }
}

@media (min-width: 1025px) {
    .mobile-nav-toggle,
    .mobile-nav-menu {
        display: none !important;
    }
}

/* Hero Section */
.hero {
    background-color: transparent;
    color: white;
    padding: 80px 20px;
    border-bottom: none;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 100%;
    margin: 0;
    position: relative;
    z-index: 1;
}

.hero-box {
    background: rgba(0, 0, 0, 0.42);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    padding: 36px 34px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
    backdrop-filter: blur(8px);
    max-width: min(720px, 100%);
    margin: 0;
}

.hero-content {
    max-width: 700px;
}

.hero-content h2 {
    font-size: 2.8rem;
    margin-bottom: 25px;
    color: #ffffff;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
}

.hero-content p {
    font-size: 0.95rem;
    margin-bottom: 30px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: 2px solid #ffffff;
    border-radius: 5px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: lowercase;
}

.btn-primary {
    background-color: transparent;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #ffffff;
    color: #0A1A2F;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Services Section */
.services {
    padding: 80px 20px;
    background-color: transparent;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    align-items: stretch;
}

.service-card {
    position: relative;
    overflow: hidden;
    min-height: 360px;
    border-radius: 24px;
    background: rgba(10, 26, 47, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.18);
    transform: translateX(60px);
    opacity: 0;
    transition: transform 0.8s ease-out, opacity 0.8s ease-out;
}

.service-card:nth-child(1) {
    transition-delay: 0.1s;
}

.service-card:nth-child(2) {
    transition-delay: 0.2s;
}

.service-card:nth-child(3) {
    transition-delay: 0.3s;
}

.service-card.revealed {
    opacity: 1;
    transform: translateX(0);
}

.service-bg {
    position: absolute;
    inset: 0;
    background: rgba(0, 128, 0, 0.3);
    opacity: 0;
    transform: scale(1.02);
    transition: opacity 0.8s ease-out 0.65s, transform 0.8s ease-out 0.65s;
}

.service-card.revealed .service-bg {
    opacity: 1;
    transform: scale(1);
}

.service-content {
    position: relative;
    z-index: 1;
    padding: 42px 32px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 22px;
    min-height: 360px;
}

.service-title {
    color: #ffffff;
    font-size: clamp(1.8rem, 2.6vw, 2.4rem);
    line-height: 1.05;
    margin: 0;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.8s ease-out 0.15s, transform 0.8s ease-out 0.15s;
    font-weight: 700;
}

.service-card.revealed .service-title {
    opacity: 1;
    transform: translateX(0);
}

.service-text {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    font-size: 1rem;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.8s ease-out 0.30s, transform 0.8s ease-out 0.30s;
}

.service-card.revealed .service-text {
    opacity: 1;
    transform: translateX(0);
}

.service-icon {
    width: 76px;
    height: 76px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.8s ease-out 0.45s, transform 0.8s ease-out 0.45s;
}

.service-card.revealed .service-icon {
    opacity: 1;
    transform: translateX(0);
}

.service-icon,
.contact-card-icon {
    display: none !important;
}

.service-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    color: #ffffff;
    background: transparent;
    border: 2px solid #ffffff;
    border-radius: 999px;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.08em;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.8s ease-out 0.60s, transform 0.8s ease-out 0.60s;
}

.service-card.revealed .service-button {
    opacity: 1;
    transform: translateX(0);
}

.service-button:hover {
    background: #ffffff;
    color: #0A1A2F;
}

@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        transform: translateX(0);
    }

    .service-card.revealed {
        transform: translateX(0);
    }
}

@media (max-width: 480px) {
    .service-content {
        padding: 32px 24px;
    }

    .service-icon {
        width: 64px;
        height: 64px;
    }
}

/* About Section */
.about {
    padding: 80px 20px;
    background-color: rgba(10, 10, 10, 0.4);
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #ffffff;
    text-shadow: 0 0 25px rgba(255, 255, 255, 0.18);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text,
.about-image {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.about-text.revealed,
.about-image.revealed {
    opacity: 1;
    transform: translateY(0);
}

.about-text {
    background: rgba(10, 26, 47, 0.95);
    padding: 42px 34px;
    border-radius: 24px;
    color: white;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.18);
}

.about-text p {
    margin-bottom: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.98rem;
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.18);
}

.about-image img {
    display: block;
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    border-radius: 24px;
    border: none;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat {
    background: transparent;
    color: white;
    padding: 30px;
    border-radius: 5px;
    text-align: center;
    border: none;
}

.stat h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #a72626;
}

.stat p {
    font-size: 0.9rem;
    color: #b0b0b0;
}

/* Contact Section */
.contact {
    padding: 80px 20px;
    background-color: #f5f5f5;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #0066cc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: grid;
    gap: 30px;
}

.info-item h3 {
    color: #0066cc;
    margin-bottom: 10px;
}

.info-item p {
    color: #666;
}

.info-item a {
    color: #0066cc;
    text-decoration: none;
}

.info-item a:hover {
    text-decoration: underline;
}

.contact-form {
    display: grid;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 5px rgba(0, 102, 204, 0.3);
}

@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-form {
        width: min(100%, 520px);
        margin: 0 auto;
        align-items: center;
    }

    .contact-form input,
    .contact-form textarea {
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
    }

    .contact-form button {
        width: 100%;
        max-width: 220px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .contact-form {
        width: 90%;
        gap: 14px;
    }

    .contact-form input,
    .contact-form textarea {
        padding: 14px 12px;
    }
}

/* Footer */
footer {
    background: rgba(26, 26, 26, 0.35);
    color: #b0b0b0;
    text-align: center;
    padding: 30px 20px;
    border-top: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 100;
    transition: transform 0.25s ease, background-color 0.25s ease;
}

@media (max-width: 768px) {
    footer {
        position: static;
        padding: 20px 14px;
    }

    body {
        padding-bottom: 40px;
    }
}

footer.footer-hide {
    transform: translateY(100%);
}

body {
    padding-bottom: 120px;
}

footer p {
    margin: 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo img {
        height: 72px;
    }

    .navbar {
        padding: 1rem 0;
    }

    .nav-container {
        justify-content: space-between;
    }

    .about-image {
        overflow: visible;
    }

    .about-image img {
        width: 100%;
        height: auto;
        object-fit: contain;
        border-radius: 20px;
    }

    .hero-container {
        grid-template-columns: 1fr;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.75rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-cards {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 14px;
    }

    .contact-card {
        width: 92%;
        max-width: 420px;
        margin: 0 auto;
        display: flex;
        justify-content: center;
    }

    .contact-card-inner {
        width: 100%;
        text-align: center;
        padding: 18px 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 14px;
    }

    .logo img {
        height: 78px;
    }

    .hero {
        padding: 48px 14px;
    }

    .hero-box {
        padding: 22px 18px;
    }

    .hero-content h2 {
        font-size: 1.6rem;
    }

    .hero-content p {
        font-size: 0.85rem;
    }

    .nav-links {
        gap: 0.5rem;
        font-size: 0.65rem;
        flex-wrap: wrap;
    }

    .about h2,
    .contact h2 {
        font-size: 1.8rem;
    }

    .service-content {
        padding: 28px 20px;
        min-height: auto;
    }

    .about-text {
        padding: 28px 20px;
    }

    .contact-form input,
    .contact-form textarea {
        font-size: 0.95rem;
    }
}

/* Buttons for requesting quotes */
.product-cta,
.service-cta {
    display: inline-block !important;
    padding: 10px 25px !important;
    border: 2px solid #6CAF2B !important;
    background-color: rgba(0, 0, 200, 0.6) !important;
    color: #ffffff !important;
    text-decoration: none !important;
    border-radius: 5px !important;
    transition: all 0.3s ease !important;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
    letter-spacing: 0.5px !important;
    align-self: flex-start !important;
}

.product-cta:hover,
.service-cta:hover {
    background-color: rgba(0, 0, 200, 0.8) !important;
    box-shadow: 0 0 15px rgba(0, 200, 0, 0.5) !important;
}

/* Page spécifique IRVE : texte en blanc pour meilleure lisibilité */
body.irve-page,
body.irve-page * {
    color: #ffffff !important;
}