/* ===========================================
   ID LOGISTIQUE - STYLES
   Couleurs: Bleu #0066CC | Orange #FF6600
   =========================================== */

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

:root {
    --blue: #0066CC;
    --blue-dark: #004C99;
    --blue-light: #E6F0FA;
    --orange: #FF6600;
    --orange-dark: #E55A00;
    --orange-light: #FFF0E6;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-600: #4B5563;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===========================================
   HEADER
   =========================================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 120px;
}

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

.logo img {
    height: 100px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blue);
}

.logo-highlight {
    color: var(--orange);
}

.nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-600);
    padding: 8px 0;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--orange);
    border-radius: 2px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--blue);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===========================================
   HERO SECTION
   =========================================== */
.hero {
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero .highlight {
    color: var(--orange);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================================
   BUTTONS
   =========================================== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

/* ===========================================
   SERVICES PREVIEW
   =========================================== */
.services-preview {
    padding: 80px 0;
    background: var(--gray-50);
}

.services-preview h2,
.advantages h2,
.faq h2,
.process h2,
.testimonials h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 50px;
}

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

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
}

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

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.service-card h3 {
    font-size: 1.3rem;
    color: var(--blue);
    margin: 20px 25px 15px;
}

.service-card p {
    color: var(--gray-600);
    margin: 0 25px 20px;
}

.service-link {
    color: var(--orange);
    font-weight: 600;
    display: block;
    margin: 0 25px 25px;
}

.service-link:hover {
    color: var(--orange-dark);
}

/* ===========================================
   ADVANTAGES
   =========================================== */
.advantages {
    padding: 80px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.advantage-item {
    text-align: center;
    padding: 30px;
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.advantage-item h3 {
    font-size: 1.2rem;
    color: var(--blue);
    margin-bottom: 10px;
}

.advantage-item p {
    color: var(--gray-600);
}

/* ===========================================
   FAQ
   =========================================== */
.faq {
    padding: 80px 0;
    background: var(--blue-light);
}

.faq-list {
    max-width: 800px;
    margin: 50px auto 0;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 15px;
    box-shadow: var(--shadow);
}

.faq-item summary {
    padding: 20px 25px;
    cursor: pointer;
    font-weight: 600;
    color: var(--gray-800);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--orange);
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item p {
    padding: 0 25px 20px;
    color: var(--gray-600);
}

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

.cta h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

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

.cta .btn-primary:hover {
    background: var(--gray-100);
}

/* ===========================================
   PAGE HEADER
   =========================================== */
.page-header {
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ===========================================
   SERVICE DETAIL
   =========================================== */
.service-detail {
    padding: 80px 0;
}

.service-detail.service-alt {
    background: var(--gray-50);
}

.service-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

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

.service-badge {
    display: inline-block;
    background: var(--orange-light);
    color: var(--orange);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.service-text h2 {
    font-size: 2rem;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.service-text p {
    color: var(--gray-600);
    margin-bottom: 25px;
}

.service-features {
    margin-bottom: 30px;
}

.service-features li {
    padding: 8px 0;
    color: var(--gray-700);
}

.service-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-icon-large {
    font-size: 8rem;
    background: var(--blue-light);
    width: 200px;
    height: 200px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-photo {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ===========================================
   GALLERY
   =========================================== */
.gallery {
    padding: 80px 0;
    background: var(--gray-50);
}

.gallery h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 50px;
}

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

/* ===========================================
   PROCESS
   =========================================== */
.process {
    padding: 80px 0;
    background: var(--blue);
    color: var(--white);
}

.process h2 {
    color: var(--white);
}

.process .section-subtitle {
    color: rgba(255,255,255,0.8);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.process-step {
    text-align: center;
    padding: 30px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--orange);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.process-step h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.process-step p {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* ===========================================
   CONTACT SECTION
   =========================================== */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
}

.contact-form-wrapper h2 {
    font-size: 1.8rem;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.contact-form-wrapper > p {
    color: var(--gray-600);
    margin-bottom: 30px;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 2px solid var(--blue);
    outline-offset: 2px;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px var(--blue-light);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 3px;
    border-radius: 2px;
}

.full-width {
    width: 100%;
}

/* Messages de formulaire */
.form-message {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.form-success {
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #10B981;
}

.form-error {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #EF4444;
}

.form-message p {
    margin: 0;
    font-weight: 500;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: var(--gray-50);
    padding: 25px;
    border-radius: var(--radius-lg);
}

.info-card h3 {
    font-size: 1.1rem;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.info-card p {
    color: var(--gray-600);
}

.info-card a {
    color: var(--blue);
}

.info-card a:hover {
    color: var(--blue-dark);
}

.info-note {
    font-size: 0.9rem;
    margin-top: 10px;
    opacity: 0.8;
}

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

.highlight-card h3 {
    color: var(--white);
}

.highlight-card ul {
    margin-top: 15px;
}

.highlight-card li {
    padding: 5px 0;
}

/* ===========================================
   TESTIMONIALS
   =========================================== */
.testimonials {
    padding: 80px 0;
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.testimonial {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--orange);
}

.testimonial p {
    font-style: italic;
    color: var(--gray-700);
    margin-bottom: 15px;
}

.testimonial cite {
    color: var(--blue);
    font-weight: 600;
    font-style: normal;
}

/* ===========================================
   FOOTER
   =========================================== */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-col p {
    color: var(--gray-200);
    font-size: 0.95rem;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col a {
    color: var(--gray-200);
    font-size: 0.95rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gray-800);
}

.footer-bottom p {
    color: var(--gray-400);
    font-size: 0.9rem;
}

/* ===========================================
   RESPONSIVE
   =========================================== */
@media (max-width: 992px) {
    .service-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .service-content.reverse {
        direction: ltr;
    }
    
    .service-visual {
        order: -1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 120px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        gap: 15px;
    }
    
    .nav.active {
        display: flex;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .services-preview h2,
    .advantages h2,
    .faq h2,
    .process h2,
    .testimonials h2,
    .cta h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 1.7rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .service-icon-large {
        width: 150px;
        height: 150px;
        font-size: 5rem;
    }
}

/* ============================================
   FAQ page (Phase 4)
   ============================================ */
.faq-section { padding: 3rem 0 4rem; }
.faq-grid { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 1.2rem 1.4rem;
    transition: box-shadow .2s, border-color .2s;
}
.faq-item[open] { box-shadow: 0 4px 14px rgba(0,0,0,.06); border-color: var(--blue, #0066CC); }
.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--blue, #0066CC);
    list-style: none;
    position: relative;
    padding-right: 2rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--orange, #FF6600);
    transition: transform .2s;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: .8rem 0 0; line-height: 1.6; color: #333; }
.faq-item p a { color: var(--blue, #0066CC); text-decoration: underline; }
.faq-cta p { font-size: 1.1rem; color: #555; margin-bottom: 1rem; }

/* Accessibilité — respect des préférences de réduction de mouvement (WCAG 2.3.3) */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}