/* Main colors - tweaked after client feedback */
:root {
    --bg-main: var(--bg-primary, #f8f9fa);
    --txt: var(--text-primary, #212529);
    --brand: #111827;
    --brand-light: #1f2937;
    --header-bg: var(--bg-primary, #ffffff);
    --panel-bg: var(--panel, #ffffff);
    --border: var(--border-color, #dee2e6);
    --shadow: rgba(0,0,0,0.08);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
    background-color: var(--bg-main);
    color: var(--txt);
    line-height: 1.7;
}

/* Main content wrapper - keeps everything centered */
.page-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Legacy support - some old templates still use this */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header section */
.main-header {
    background-color: var(--bg-secondary, var(--header-bg));
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}
/* position: relative needed so mobile dropdown aligns to header bottom */
.main-header .header-wrap {
    position: relative;
}

.header-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Legacy support */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: bold;
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    flex-shrink: 0;
    white-space: nowrap;
}

.brand img {
    height: 40px;
    margin-right: 12px;
}

.main-nav {
    display: flex;
    align-items: center;
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
}

.main-nav li {
    margin-left: 18px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-primary, var(--text-color));
    font-weight: 500;
    font-size: 0.9rem;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
    transition: color 0.3s, border-bottom-color 0.3s;
    white-space: nowrap;
}

.main-nav a:hover {
    color: var(--accent, var(--primary-color));
    border-bottom-color: var(--accent, var(--primary-color));
}

/* Boutons Admin/Workflow dans le header */
.main-nav a.btn-nav {
    padding: 4px 10px;
    font-size: 0.75rem;
    line-height: 1.3;
    border-radius: 4px;
    white-space: nowrap;
    border: 1px solid var(--border-color, #d1d5db);
    border-bottom: 1px solid var(--border-color, #d1d5db);
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    background: transparent;
    color: var(--text-secondary, #6b7280);
    margin-top: 0;
    margin-bottom: 0;
}

/* --- Submenu Styles --- */
.main-nav .has-submenu {
    position: relative;
}

.main-nav .submenu-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--text-primary, var(--text-color));
    font-weight: 500;
    font-size: 0.9rem;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
    transition: color 0.3s, border-bottom-color 0.3s;
    user-select: none;
    white-space: nowrap;
}

.main-nav .submenu-toggle:hover {
    color: var(--accent, var(--primary-color));
    border-bottom-color: var(--accent, var(--primary-color));
}

.main-nav .submenu-toggle .arrow {
    font-size: 0.7em;
    transition: transform 0.3s ease;
}

/* Rotation de la flèche quand le menu est ouvert */
.main-nav:not(.js-loaded) .has-submenu:hover .arrow,
.main-nav .has-submenu.submenu-open .arrow {
    transform: rotate(180deg);
}

.main-nav .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-secondary, var(--header-bg));
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--shadow, var(--shadow-color));
    min-width: 250px;
    padding: 10px 0;
    margin-top: 10px;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
}

/* Pont invisible pour combler le gap entre le trigger et le dropdown */
.main-nav .submenu::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
}

/* Menu ouvert via hover CSS (fallback quand JS n'a pas charge) */
.main-nav:not(.js-loaded) .has-submenu:hover > .submenu {
    display: block;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Menu ouvert via classe JS (click/mobile) */
.main-nav .has-submenu.submenu-open .submenu {
    display: block;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.main-nav .submenu li {
    margin: 0;
    width: 100%;
}

.main-nav .submenu a {
    display: block;
    padding: 12px 20px;
    border-bottom: none;
    transition: background-color 0.3s, color 0.3s;
}

.main-nav .submenu a:hover {
    background-color: var(--bg-tertiary, #f0f0f0);
    color: var(--accent, var(--primary-color));
}

/* --- Sections & Cards --- */
section {
    padding: 60px 0;
}

.card, .project-card, .service-card, .t-card {
    background-color: var(--bg-secondary, var(--card-bg));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover, .project-card:hover, .service-card:hover, .t-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.projects-grid, .services .row, .testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* ── Testimonial Stars ── */
.t-stars {
    display: flex;
    gap: 2px;
    margin-bottom: 8px;
}
.t-stars .star {
    color: #d4a017;
    font-size: 1.1rem;
    line-height: 1;
}
.t-stars .star--empty {
    color: var(--text-tertiary, #9ca3af);
}

[data-theme="dark"] .t-stars .star {
    color: #e8b829;
}
[data-theme="dark"] .t-stars .star--empty {
    color: var(--text-tertiary, #6b7280);
}

/* ── Newsletter Signup ── */
.nl-signup {
    background: var(--bg-secondary, #f9fafb);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    padding: 24px;
    margin: 32px 0;
}
.nl-signup h3 {
    margin: 0 0 6px;
    font-size: 1.1rem;
    color: var(--text-primary);
}
.nl-signup p {
    margin: 0 0 14px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.nl-form {
    display: flex;
    gap: 8px;
    align-items: stretch;
}
.nl-field {
    flex: 1;
    padding: 10px 14px;
    font-size: 0.95rem;
    border: 1px solid var(--border-color, #d1d5db);
    border-radius: 6px;
    background: var(--bg-primary, #fff);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s;
}
.nl-field:focus {
    border-color: var(--accent-color, #2563eb);
}
.nl-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 2px solid var(--text-primary, #111827);
    border-radius: 6px;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}
.nl-btn:hover {
    background: var(--text-primary, #111827);
    color: var(--bg-primary, #fff);
}
.nl-legal {
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-tertiary, #9ca3af);
}
.nl-legal a {
    color: var(--text-secondary, #6b7280);
    text-decoration: underline;
}
.nl-msg {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
}
.nl-msg--ok {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.nl-msg--err {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Dark mode newsletter */
[data-theme="dark"] .nl-signup {
    background: var(--bg-secondary, #1e293b);
    border-color: var(--border-color, #334155);
}
[data-theme="dark"] .nl-field {
    background: var(--bg-tertiary, #334155);
    border-color: var(--border-color, #475569);
    color: var(--text-primary, #f1f5f9);
}
[data-theme="dark"] .nl-btn {
    border-color: var(--text-primary, #f1f5f9);
    color: var(--text-primary, #f1f5f9);
}
[data-theme="dark"] .nl-btn:hover {
    background: var(--text-primary, #f1f5f9);
    color: var(--bg-primary, #0f172a);
}
[data-theme="dark"] .nl-msg--ok {
    background: #064e3b;
    color: #a7f3d0;
    border-color: #065f46;
}
[data-theme="dark"] .nl-msg--err {
    background: #7f1d1d;
    color: #fecaca;
    border-color: #991b1b;
}

/* Newsletter compact (footer) */
.nl-signup--compact {
    padding: 16px;
    margin: 16px 0;
}
.nl-signup--compact h3 {
    font-size: 0.95rem;
}
.nl-signup--compact p {
    font-size: 0.8rem;
    margin-bottom: 10px;
}

/* Newsletter responsive */
@media (max-width: 480px) {
    .nl-form {
        flex-direction: column;
    }
    .nl-btn {
        width: 100%;
        text-align: center;
    }
}

/* --- Hero Section --- */
.hero {
    text-align: center;
    background: #111827;
    color: #fff;
    padding: 80px 20px;
}

.hero h1 {
    font-size: clamp(1.5rem, 5vw, 3rem);
    color: #fff;
}

/* --- Forms --- */
input, textarea, select {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    background-color: var(--bg-secondary, #fff);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    box-sizing: border-box;
}

.btn, button {
    background: transparent;
    color: var(--text-primary, #111827);
    padding: 12px 24px;
    border: 1.5px solid var(--text-primary, #111827);
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    box-shadow: none;
    transition: all 0.2s;
}

.btn:hover, button:hover {
    background: var(--text-primary, #111827);
    color: var(--bg-primary, #ffffff);
}

/* --- Logos Marquee --- */
.logos {
    padding: 40px 0;
}
.marquee {
    overflow: hidden;
    position: relative;
}
.marquee-track {
    display: flex;
    width: max-content;
    animation: marquee 40s linear infinite;
}
.marquee-track img {
    height: 40px;
    max-height: 40px;
    width: auto;
    margin: 0 30px;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s;
}
.marquee-track img:hover {
    filter: grayscale(0%);
    opacity: 1;
}
@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* --- Mobile Responsiveness --- */
#mobile-menu-toggle {
    display: none; /* Hidden by default */
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger-icon {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    position: relative;
}
.hamburger-icon::before, .hamburger-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--text-primary);
    left: 0;
    transition: transform 0.3s, top 0.3s, bottom 0.3s;
}
.hamburger-icon::before { top: -8px; }
.hamburger-icon::after { bottom: -8px; }

@media (max-width: 768px) {
    .header-container {
        justify-content: space-between;
    }
    .main-nav {
        position: static;
    }
    .main-nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%; /* align to bottom of header */
        left: 0;
        width: 100%;
        background-color: var(--bg-secondary, var(--header-bg));
        box-shadow: 0 5px 10px var(--shadow, rgba(0,0,0,0.1));
        z-index: 999;
    }
    .main-nav ul.show {
        display: flex;
    }
    .main-nav li {
        margin: 0;
        width: 100%;
    }
    .main-nav a {
        display: block;
        padding: 15px;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }
    #mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 8px;
        min-width: 44px;
        min-height: 44px;
    }
    .lang-switcher-li {
        padding: 10px 0;
        display: flex;
        justify-content: center;
    }
    
    /* Submenu mobile - centré et adapté */
    .main-nav .has-submenu {
        width: 100%;
    }
    
    .main-nav .submenu-toggle {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        padding: 15px;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }
    
    .main-nav .submenu {
        position: static;
        width: 100%;
        margin-top: 0;
        border: none;
        border-radius: 0;
        box-shadow: none;
        background-color: var(--bg-tertiary, #f5f5f5);
    }
    
    .main-nav .submenu li {
        width: 100%;
    }
    
    .main-nav .submenu a {
        text-align: center;
        padding: 12px 15px;
        background-color: var(--bg-tertiary, #f5f5f5);
    }
}

/* --- Footer --- */
.main-footer {
    border-top: 1px solid var(--border-color, #e2e8f0);
    padding: 2.5rem 0 1.5rem;
    margin-top: 3rem;
    font-size: 0.88rem;
    color: var(--text-secondary, #64748b);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 1.5rem;
}
.footer-heading {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-primary, #1e293b);
    margin: 0 0 0.75rem;
    font-weight: 600;
}
.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-links li {
    margin-bottom: 0.35rem;
}
.footer-links a {
    color: var(--text-secondary, #64748b);
    text-decoration: none;
    transition: color 0.15s;
}
.footer-links a:hover {
    color: var(--accent-color, #3498db);
}
.footer-copy {
    text-align: center;
    margin: 0;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color, #e2e8f0);
    font-size: 0.82rem;
}
@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}