/*
====================================================
    Theme Variables
====================================================
*/
:root {
    --primary-color: #0078F2;
    --primary-color-rgb: 0, 120, 242;
    --light-color: #F9FAFB;
    --dark-color: #111827;
    
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --background-color: #ffffff;
    --card-background-color: #ffffff;
    --shadow-color-rgb: 0, 0, 0;
}

[data-theme="dark"] {
    --primary-color: #389BFF;
    --primary-color-rgb: 56, 155, 255;
    --light-color: #111827; /* Make .bg-light sections same as main background */
    --dark-color: #F9FAFB;

    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --border-color: #374151;
    --background-color: #111827; /* Main dark background */
    --card-background-color: #1F2937; /* Cards are slightly lighter than main bg */
    --shadow-color-rgb: 255, 255, 255;
}

/*
====================================================
    Base Styles
====================================================
*/
html, body {
    overflow-x: hidden;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-secondary);
    background-color: var(--background-color);
    padding-top: 135px;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--text-primary);
}

a {
    text-decoration: none;
    transition: color 0.3s ease;
    color: var(--primary-color);
}

a:hover {
    color: var(--dark-color);
}

.btn {
    border-radius: 0.375rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.bg-white {
    background-color: var(--background-color) !important;
}

.bg-light {
    background-color: var(--light-color) !important;
}

.text-dark {
    color: var(--text-primary) !important;
}

.text-muted {
    color: var(--text-secondary) !important;
}

/*
====================================================
    Navbar
====================================================
*/
.navbar {
    background-color: var(--card-background-color) !important;
    box-shadow: 0 2px 10px rgba(var(--shadow-color-rgb), 0.07);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand img {
    height: 120px;
    transition: filter 0.3s ease;
}

[data-theme="dark"] .navbar-brand img, [data-theme="dark"] footer img {
    filter: invert(1) hue-rotate(180deg) brightness(1.5);
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary) !important;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-item.active .nav-link {
    color: var(--primary-color) !important;
}

.navbar-toggler {
    border: none;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler i {
    font-size: 1.5rem;
    color: var(--text-primary);
    transition: transform 0.3s ease;
}

[data-theme="dark"] .navbar-toggler i {
    color: var(--text-primary);
}

/*
====================================================
    Hero & Headers
====================================================
*/
.hero, .project-hero {
    margin-top: -136px; /* Match exact navbar height */
}

.hero {
    background-color: var(--dark-color);
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 1;
    transition: opacity 0.3s ease;
}

[data-theme="dark"] #particles-js {
    opacity: 0.3;
}

.hero-overlay {
    background: linear-gradient(45deg, rgba(17, 24, 39, 0.8), rgba(31, 41, 55, 0.8));
    z-index: 2;
}

.hero-content {
    z-index: 3;
}

.project-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    background-size: cover;
    background-position: center;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.project-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(17, 24, 39, 0.9), rgba(17, 24, 39, 0.5));
    transition: background 0.3s ease;
}

[data-theme="dark"] .project-hero::after {
    background: linear-gradient(to top, rgba(17, 24, 39, 1), rgba(17, 24, 39, 0.7));
}

.project-hero-content {
    position: relative;
    z-index: 2;
}

/*
====================================================
    Cards & Sections
====================================================
*/
.card, .project-info-bar {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(var(--shadow-color-rgb), 0.07), 0 2px 4px -2px rgba(var(--shadow-color-rgb), 0.07);
    background-color: var(--card-background-color);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(var(--shadow-color-rgb), 0.1), 0 4px 6px -4px rgba(var(--shadow-color-rgb), 0.1);
}

.service-card:hover {
    border-color: var(--primary-color);
}

.portfolio-item .card-img-top {
    border-top-left-radius: 0.75rem;
    border-top-right-radius: 0.75rem;
    height: 200px;
    object-fit: cover;
}

.testimonial-card {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1rem;
    border: 2px solid var(--border-color);
}

.team-card {
    text-align: center;
    border: none;
    background: transparent;
    box-shadow: none;
}

.team-card-img-container {
    width: 180px;
    height: 180px;
    margin: 0 auto 1.5rem auto;
    overflow: hidden;
    border-radius: 50%;
    border: 4px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(var(--shadow-color-rgb), 0.1);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.team-card:hover .team-card-img-container {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 25px rgba(var(--primary-color-rgb), 0.2);
}

.team-card-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.team-card-content {
    padding: 0 1rem;
}

.team-card-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.team-card-title {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.team-card-bio {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.team-card-social {
    margin-top: 1rem;
}

.team-card-social a {
    display: inline-block;
    width: 32px;
    height: 32px;
    line-height: 30px;
    text-align: center;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    margin: 0 4px;
    transition: all 0.3s ease;
}

.team-card-social a:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
}

/*
====================================================
    Products Section
====================================================
*/
#products .product-feature img {
    max-height: 350px;
    display: block;
    margin: 0 auto;
    transition: transform 0.3s ease;
}

#products .product-feature:hover img {
    transform: scale(1.03);
}

.product-feature-content {
    padding: 2rem 0;
}

[data-theme="dark"] #products .product-feature-content .h2,
[data-theme="dark"] #products .product-feature-content .text-muted {
    color: var(--text-primary) !important;
}

[data-theme="dark"] #products .product-feature-content .text-muted {
    color: var(--text-secondary) !important;
}

/*
====================================================
    Portfolio / Realisations Section
====================================================
*/
.portfolio-filters {
    margin-bottom: 2rem;
}

.portfolio-filters .btn {
    margin: 0 5px;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.portfolio-item {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.portfolio-item.hide {
    transform: scale(0.9);
    opacity: 0;
    display: none;
}

/*
====================================================
    Contact & Footer
====================================================
*/
.contact-info, .contact-form {
    padding: 1.5rem;
    background-color: var(--card-background-color);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.contact-form .form-control {
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    border-color: var(--border-color);
    background-color: var(--background-color);
    color: var(--text-primary);
}

.contact-form .form-control::placeholder {
    color: #6c757d;
    opacity: 1;
}

[data-theme="dark"] .contact-form .form-control::placeholder {
    color: var(--text-secondary);
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(var(--primary-color-rgb), 0.25);
}

footer {
    background-color: var(--card-background-color);
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
}

footer img {
    height: 120px;
}

footer h5 {
    color: var(--text-primary);
}

footer a {
    color: var(--text-secondary);
}

footer a:hover {
    color: var(--primary-color) !important;
}

/*
====================================================
    Utilities
====================================================
*/
#backToTop {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

#backToTop.show {
    opacity: 1;
    visibility: visible;
    bottom: 20px;
}

/*
====================================================
    Responsive
====================================================
*/
.navbar .d-flex {
    align-items: center;
}

.navbar-toggler {
    order: 1;
}

.theme-switcher {
    order: 0;
}

@media (max-width: 991.98px) {
    .navbar .d-flex {
        margin-left: auto;
    }
    .product-feature-content {
        text-align: center;
    }
    #products .product-feature img {
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 100px; 
    }

    .navbar-brand img {
        height: 80px;
    }

    footer img {
        height: 80px;
    }

    .hero, .project-hero {
        margin-top: -101px;
    }

    .section-header .display-4 {
        font-size: 2rem;
    }

    .team-card-img-container {
        width: 150px;
        height: 150px;
    }
}

@media (min-width: 992px) {
    .theme-switcher {
        margin-left: 1rem !important;
    }
}

/*
====================================================
    Dark Mode Readability Hotfix
====================================================
*/

/* 1. Fix text color in "Nos Produits" & "Nos Services" sections */
[data-theme="dark"] #services .lead,
[data-theme="dark"] #services .service-card p {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] #services h2,
[data-theme="dark"] #services .service-card h3 {
    color: var(--text-primary) !important;
}


/* 2. Fix FAQ section on about.html */
[data-theme="dark"] #faq .accordion-item {
    background-color: var(--card-background-color) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] #faq .accordion-button {
    background-color: var(--card-background-color) !important;
    color: var(--text-primary) !important;
}

/* Invert the accordion arrow icon in dark mode */
[data-theme="dark"] #faq .accordion-button::after {
    filter: brightness(0) invert(1);
}

[data-theme="dark"] #faq .accordion-body {
    color: var(--text-secondary) !important;
}