/* ==========================================================================
   ProtectSud - CSS Principal
   Design: Noir & Blanc, Moderne, Angles Arrondis
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Variables CSS & Reset
   -------------------------------------------------------------------------- */
:root {
    /* Couleurs */
    --color-black: #09090B;
    --color-white: #FFFFFF;
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F4F4F5;
    --color-gray-200: #E4E4E7;
    --color-gray-300: #D4D4D8;
    --color-gray-400: #A1A1AA;
    --color-gray-500: #71717A;
    --color-gray-600: #52525B;
    --color-gray-700: #3F3F46;
    --color-gray-800: #27272A;
    --color-gray-900: #18181B;
    
    /* Typographie */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Manrope', sans-serif;
    
    /* Rayons de bordure */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-2xl: 2.5rem;
    --radius-3xl: 3rem;
    --radius-full: 9999px;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
}

/* --------------------------------------------------------------------------
   2. Typographie
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-black);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
    color: var(--color-gray-600);
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    color: var(--color-gray-500);
    line-height: 1.7;
}

a {
    color: var(--color-black);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   3. Layout & Container
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-lg {
    max-width: 1440px;
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

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

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
    color: var(--color-white);
}

.section-dark p {
    color: var(--color-gray-400);
}

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

/* Grilles */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Flexbox helpers */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* --------------------------------------------------------------------------
   4. Boutons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-black);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-black);
    border-color: var(--color-black);
}

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

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
}

.btn-icon {
    width: 3rem;
    height: 3rem;
    padding: 0;
    border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   5. Header / Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-link {
    font-weight: 500;
    color: var(--color-gray-700);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-black);
    transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-black);
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-sm);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-base);
    list-style: none;
}

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

.nav-dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--color-gray-700);
    transition: var(--transition-fast);
}

.nav-dropdown-menu a:hover {
    background-color: var(--color-gray-100);
    color: var(--color-black);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-phone {
    text-align: right;
}

.header-phone a {
    display: block;
    font-weight: 600;
    color: var(--color-black);
}

.header-phone small {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* Menu mobile */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    cursor: pointer;
    position: relative;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
    margin: 6px auto;
    transition: var(--transition-base);
}

@media (max-width: 1024px) {
    .mobile-toggle {
        display: block;
    }
    
    .nav-menu, .header-cta {
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        z-index: 1000;
    }
    
    .nav-menu.active .nav-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: var(--color-gray-100);
        margin-top: 0.5rem;
        border-radius: var(--radius-md);
    }
    
    .nav-menu.active .nav-link {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--color-gray-200);
    }
}

/* --------------------------------------------------------------------------
   6. Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease;
}

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

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0%);
    transition: filter 0.5s ease;
}

.hero-slide img:hover {
    filter: grayscale(100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    color: var(--color-white);
}

.hero-content h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.hero-content p {
    color: var(--color-gray-300);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.2);
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-white);
}

.hero-stat-label {
    color: var(--color-gray-400);
    font-size: 0.875rem;
}

/* Slider dots */
.hero-dots {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background-color: rgba(255,255,255,0.3);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.hero-dot.active {
    background-color: var(--color-white);
    width: 30px;
}

/* --------------------------------------------------------------------------
   7. Cards
   -------------------------------------------------------------------------- */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: var(--transition-base);
    border: 1px solid var(--color-gray-200);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-img {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0%);
    transition: var(--transition-slow);
}

.card:hover .card-img img {
    transform: scale(1.05);
    filter: grayscale(100%);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

/* Service Card - Style Bento */
.service-card {
    background-color: var(--color-gray-50);
    border-radius: var(--radius-3xl);
    padding: var(--spacing-xl);
    border: 1px solid transparent;
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    background-color: var(--color-white);
    border-color: var(--color-gray-200);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 64px;
    height: 64px;
    background-color: var(--color-black);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-white);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    flex-grow: 1;
}

.service-card .btn {
    align-self: flex-start;
    margin-top: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   8. Testimonials
   -------------------------------------------------------------------------- */
.testimonials {
    background-color: var(--color-gray-100);
}

.testimonial-card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.testimonial-stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-stars svg {
    width: 20px;
    height: 20px;
    fill: var(--color-black);
}

.testimonial-text {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.testimonial-author-name {
    font-weight: 600;
    color: var(--color-black);
}

.testimonial-author-location {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   9. Marquee / Brands
   -------------------------------------------------------------------------- */
.brands-marquee {
    overflow: hidden;
    white-space: nowrap;
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
}

.brands-track {
    display: flex;
    animation: marquee 30s linear infinite;
}

.brand-item {
    flex-shrink: 0;
    padding: 0 var(--spacing-2xl);
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gray-300);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.brand-item img {
    height: 40px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: var(--transition-base);
}

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

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

/* --------------------------------------------------------------------------
   10. Footer
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand p {
    color: var(--color-gray-400);
    margin: var(--spacing-md) 0;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--color-gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.footer-social a:hover {
    background-color: var(--color-white);
    color: var(--color-black);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    color: var(--color-gray-500);
    font-size: 0.875rem;
    margin: 0;
}

/* --------------------------------------------------------------------------
   11. Forms
   -------------------------------------------------------------------------- */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-gray-700);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    background-color: var(--color-white);
    transition: var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-black);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-error {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Contact form card */
.contact-form-card {
    background-color: var(--color-white);
    border-radius: var(--radius-3xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

/* --------------------------------------------------------------------------
   12. CTA Section
   -------------------------------------------------------------------------- */
.cta {
    background-color: var(--color-black);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta p {
    color: var(--color-gray-400);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

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

.cta .btn-primary:hover {
    background-color: var(--color-gray-200);
}

/* --------------------------------------------------------------------------
   13. Utilities
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Images couleur par défaut, gris au hover */
.grayscale {
    filter: grayscale(0%);
    transition: filter 0.3s ease;
}

.grayscale:hover {
    filter: grayscale(100%);
}

/* Forcer le gris (pour certains éléments) */
.grayscale-always {
    filter: grayscale(100%);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-dark {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* Scroll to top */
.scroll-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background-color: var(--color-black);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
    border: none;
}

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

.scroll-top:hover {
    background-color: var(--color-gray-800);
    transform: translateY(-3px);
}

/* --------------------------------------------------------------------------
   14. Page Ville (SEO Local)
   -------------------------------------------------------------------------- */
.page-header {
    padding: 180px 0 80px;
    background-color: var(--color-gray-100);
    text-align: center;
}

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

.page-header .lead {
    max-width: 700px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.breadcrumb a {
    color: var(--color-gray-500);
}

.breadcrumb a:hover {
    color: var(--color-black);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .footer-grid {
        gap: var(--spacing-lg);
    }
}