/* ===================================
   VARIABLES CSS (Custom Properties)
   =================================== */
:root {
    /* Couleurs principales - Palette Logo Premium */
    --color-primary: #1E3A8A;        /* Bleu marine - logo */
    --color-primary-dark: #1E293B;   /* Bleu nuit - hover */
    --color-primary-light: #60A5FA;  /* Bleu ciel - logo */
    --color-secondary: #3B82F6;      /* Bleu électrique - accents */
    --color-secondary-dark: #2563EB; /* Bleu profond */
    
    /* Couleurs neutres minimalistes */
    --color-dark: #0F172A;           /* Slate 900 - titres */
    --color-dark-light: #334155;     /* Slate 700 - sous-titres */
    --color-gray: #64748B;           /* Slate 500 - textes */
    --color-gray-light: #CBD5E1;     /* Slate 300 - bordures */
    --color-gray-lighter: #F1F5F9;   /* Slate 100 - backgrounds */
    --color-white: #FFFFFF;
    --color-background: #FFFFFF;
    
    /* Couleurs système */
    --color-success: #10B981;        /* Emerald 500 */
    --color-error: #EF4444;          /* Red 500 */
    --color-warning: #F59E0B;        /* Amber 500 */
    --color-info: #60A5FA;           /* Blue 400 */
    
    /* WhatsApp officiel */
    --color-whatsapp: #25D366;
    
    /* Typographie système (pas de Google Fonts) */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    --font-size-5xl: 3rem;        /* 48px */
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Bordures */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-full: 9999px;
    
    /* 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), 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);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    
    /* Largeurs conteneur */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
}

/* ===================================
   RESET & BASE
   =================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===================================
   LAYOUT & UTILITIES
   =================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
    max-width: 700px;
    margin: 0 auto;
}

.required {
    color: var(--color-error);
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 2rem;
    transition: all var(--transition-base);
    white-space: nowrap;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #93C5FD 0%, #60A5FA 100%);
    color: #1E3A8A;
    box-shadow: 0 4px 20px rgba(96, 165, 250, 0.3);
    font-weight: 700;
    letter-spacing: 0.01em;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #BFDBFE 0%, #93C5FD 100%);
    color: #1E293B;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(96, 165, 250, 0.4);
}

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

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

.btn-lg {
    padding: 1.125rem 2.5rem;
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    gap: 2rem;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 10;
}

.logo-img {
    height: 10rem;
    width: auto;
    object-fit: contain;
    transform: scale(1.3);
    transform-origin: left center;
    margin: -2rem 0;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: -0.02em;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-dark);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-primary);
}

.btn-header {
    display: inline-flex;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 30px;
    height: 24px;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-dark);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
    .btn-header {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        box-shadow: var(--shadow-lg);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
    }
    
    .nav.active {
        max-height: 400px;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 1rem 0;
    }
    
    .nav-link {
        display: block;
        padding: 1rem var(--container-padding);
    }
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    background: linear-gradient(135deg, #60A5FA 0%, #1E3A8A 100%);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/hero-bg.jpg') center/cover no-repeat;
    opacity: 0.1;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    line-height: 1.7;
}

.hero-subtitle small {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    opacity: 0.85;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

/* Style spécifique WhatsApp */
.hero-cta .btn-secondary {
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    border-color: var(--color-whatsapp);
}

.hero-cta .btn-secondary:hover {
    background-color: #1EBE57;
    color: var(--color-white);
    border-color: #1EBE57;
}

.hero-features {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
}

.feature-icon {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* ===================================
   SERVICES SECTION
   =================================== */
.services {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-lighter);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background-color: var(--color-gray-light);
}

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

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

.service-content {
    padding: var(--spacing-lg);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: var(--color-dark-light);
}

.service-list li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: var(--color-success);
    color: var(--color-white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   PROCESS SECTION
   =================================== */
.process {
    padding: var(--spacing-3xl) 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.step {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--color-gray-lighter);
    transition: all var(--transition-base);
}

.step:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    border-radius: 50%;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.step-description {
    color: var(--color-gray);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .process-steps {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   BUSINESS SECTION - ENTREPRISES
   =================================== */
.business {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
}

.business-intro {
    max-width: 900px;
    margin: 0 auto var(--spacing-2xl);
    text-align: center;
}

.business-text {
    font-size: var(--font-size-lg);
    color: var(--color-dark-light);
    line-height: 1.8;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.business-card {
    background-color: var(--color-white);
    padding: 0;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    overflow: hidden;
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.business-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

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

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

.business-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-md) var(--spacing-xl);
    position: relative;
    top: -40px;
    margin-bottom: calc(var(--spacing-md) - 40px);
    box-shadow: var(--shadow-lg);
}

.business-icon svg {
    color: var(--color-white);
}

.business-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-dark);
    margin: 0 var(--spacing-xl) var(--spacing-sm);
}

.business-description {
    color: var(--color-gray);
    line-height: 1.7;
    margin: 0 var(--spacing-xl) var(--spacing-md);
}

.business-features {
    list-style: none;
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    margin: 0;
}

.business-features li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--color-dark-light);
    font-size: 0.9375rem;
}

.business-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.125rem;
}

.business-benefits {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-3xl);
}

.business-benefits-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-dark);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.benefit-icon {
    flex-shrink: 0;
    color: var(--color-primary);
    margin-top: 0.25rem;
}

.benefit-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
}

.benefit-text {
    color: var(--color-gray);
    line-height: 1.6;
    font-size: 0.9375rem;
}

.business-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.business-cta-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.business-cta-text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.business-cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.business-cta .btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.business-cta .btn-secondary:hover {
    background-color: var(--color-gray-lighter);
    color: var(--color-primary-dark);
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .business-cta-buttons {
        flex-direction: column;
    }
    
    .business-benefits {
        padding: var(--spacing-lg);
    }
}

/* ===================================
   GALLERY SECTION
   =================================== */
.gallery {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-lighter);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    background-color: var(--color-white);
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    background-color: var(--color-gray-light);
}

.gallery-caption {
    padding: var(--spacing-md);
    font-size: 0.9375rem;
    color: var(--color-dark-light);
    text-align: center;
}

.gallery-note {
    text-align: center;
    color: var(--color-gray);
    font-style: italic;
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */
.testimonials {
    padding: var(--spacing-3xl) 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.testimonial-card {
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--color-gray-lighter);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.testimonial-stars {
    font-size: var(--font-size-lg);
    color: #fbbf24;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-size: 1rem;
    color: var(--color-dark-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    font-size: 0.9375rem;
    color: var(--color-gray);
    font-weight: 600;
}

.testimonials-note {
    text-align: center;
    color: var(--color-gray);
    font-style: italic;
}

@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   FAQ SECTION
   =================================== */
.faq {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-lighter);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    text-align: left;
    background-color: var(--color-white);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--color-gray-lighter);
}

.faq-question:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-gray);
    line-height: 1.7;
}

/* ===================================
   COVERAGE SECTION
   =================================== */
.coverage {
    padding: var(--spacing-3xl) 0;
}

.coverage-content {
    max-width: 800px;
    margin: 0 auto;
}

.coverage-text {
    font-size: var(--font-size-lg);
    color: var(--color-dark-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.coverage-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--color-gray-lighter);
    border-radius: var(--border-radius-lg);
}

.coverage-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    color: var(--color-dark);
}

.coverage-list li::before {
    content: '📍';
    font-size: 1.125rem;
}

.coverage-notice {
    padding: var(--spacing-md);
    background-color: #dbeafe;
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius-md);
    color: var(--color-dark);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .coverage-list {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-lighter);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info {
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-info-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-icon {
    flex-shrink: 0;
    color: var(--color-primary);
}

.contact-item strong {
    display: block;
    font-size: 0.9375rem;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
}

.contact-link {
    font-size: 1rem;
    color: var(--color-primary);
}

.contact-text {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.6;
}

.contact-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-lighter);
}

/* Form Styles */
.contact-form {
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-dark);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-input-file {
    width: 100%;
    padding: 0.75rem;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--color-dark);
    background-color: var(--color-gray-lighter);
    border: 2px dashed var(--color-gray-light);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-input-file:hover {
    border-color: var(--color-primary);
    background-color: var(--color-white);
}

.form-input-file:focus {
    outline: none;
    border-color: var(--color-primary);
    border-style: solid;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-help {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-gray);
    margin-top: 0.375rem;
    font-style: italic;
}

.form-error {
    display: block;
    font-size: 0.875rem;
    color: var(--color-error);
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

.form-success {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: #d1fae5;
    border: 2px solid var(--color-success);
    border-radius: var(--border-radius-md);
    color: #065f46;
    margin-top: var(--spacing-md);
}

.form-success svg {
    flex-shrink: 0;
    color: var(--color-success);
}

@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-text {
    font-size: 0.9375rem;
    color: var(--color-gray-light);
    line-height: 1.7;
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-list li {
    font-size: 0.9375rem;
}

.footer-list a {
    color: var(--color-gray-light);
    transition: color var(--transition-fast);
}

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

.footer-notice {
    margin-top: var(--spacing-sm);
    color: var(--color-gray-light);
    font-style: italic;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-dark-light);
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray-light);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-link {
    color: var(--color-gray-light);
}

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

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   RESPONSIVE UTILITIES
   =================================== */
@media (max-width: 1024px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-3xl: 3rem;
        --spacing-2xl: 2.5rem;
        --container-padding: 1rem;
    }
}

/* ===================================
   ACCESSIBILITY
   =================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===================================
   SECTION BLOG
   =================================== */
.section-blog {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.section-blog .section-subtitle {
    display: inline-block;
    background: linear-gradient(135deg, #60A5FA 0%, #3B82F6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.section-blog .section-description {
    color: var(--color-gray);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.blog-card {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.blog-card-featured {
    grid-column: 1 / -1;
}

@media (min-width: 768px) {
    .blog-card-featured {
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: 0;
    }
    
    .blog-card-featured .blog-content {
        padding: var(--spacing-xl);
    }
}

.blog-image {
    position: relative;
    overflow: hidden;
    background: var(--color-gray-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    width: 100%;
    aspect-ratio: 16 / 9;
}

.blog-card-featured .blog-image {
    min-height: 400px;
    aspect-ratio: 16 / 9;
}

.blog-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.blog-card:hover .blog-image img {
    transform: scale(1.08);
}

.blog-category {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: linear-gradient(135deg, #93C5FD 0%, #60A5FA 100%);
    color: #1E3A8A;
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(96, 165, 250, 0.3);
}

.blog-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

.blog-meta svg {
    flex-shrink: 0;
}

.blog-date,
.blog-reading-time {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.blog-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.blog-card-featured .blog-title {
    font-size: var(--font-size-2xl);
}

.blog-title a {
    color: inherit;
    transition: color var(--transition-fast);
}

.blog-title a:hover {
    color: var(--color-primary);
}

.blog-excerpt {
    color: var(--color-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    margin-top: auto;
}

.blog-link:hover {
    gap: 0.75rem;
    color: var(--color-primary-dark);
}

.blog-link svg {
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.blog-link:hover svg {
    transform: translateX(4px);
}

.blog-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 0.875rem 2rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: var(--border-radius-full);
    transition: all var(--transition-base);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.25);
}

.btn-outline svg {
    transition: transform var(--transition-fast);
}

.btn-outline:hover svg {
    transform: translateX(4px);
}

/* Responsive Blog */
@media (max-width: 768px) {
    .section-blog {
        padding: var(--spacing-2xl) 0;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .blog-card-featured {
        grid-column: 1;
    }
    
    .blog-title {
        font-size: var(--font-size-lg);
    }
    
    .blog-card-featured .blog-title {
        font-size: var(--font-size-xl);
    }
}

/* ===================================
   PAGE BLOG DÉDIÉE
   =================================== */
.blog-hero {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    text-align: center;
    color: var(--color-white);
}

.blog-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.blog-hero-subtitle {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-sm);
}

.blog-hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.blog-hero-description {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    line-height: 1.6;
}

.blog-listing {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.blog-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.blog-filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--color-white);
    color: var(--color-dark);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.blog-filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.blog-filter-btn.active {
    background: linear-gradient(135deg, #93C5FD 0%, #60A5FA 100%);
    color: #1E3A8A;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.3);
}

.blog-cta-section {
    margin-top: var(--spacing-3xl);
}

.blog-cta-card {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.blog-cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.blog-cta-text {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.blog-cta-card .btn:hover {
    background: var(--color-gray-lighter);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .blog-hero {
        padding: var(--spacing-2xl) 0 var(--spacing-xl);
    }
    
    .blog-hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .blog-hero-description {
        font-size: var(--font-size-base);
    }
    
    .blog-listing {
        padding: var(--spacing-2xl) 0;
    }
    
    .blog-filters {
        gap: 0.5rem;
    }
    
    .blog-filter-btn {
        padding: 0.625rem 1rem;
        font-size: 0.8125rem;
    }
    
    .blog-cta-card {
        padding: var(--spacing-xl);
    }
    
    .blog-cta-title {
        font-size: var(--font-size-xl);
    }
    
    .blog-cta-text {
        font-size: var(--font-size-base);
    }
}

@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;
    }
}

/* ===================================
   BOUTON WHATSAPP FLOTTANT
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    animation: fadeInUp 0.5s ease-out;
}

.whatsapp-float-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--color-whatsapp);
    color: var(--color-white);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-full);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.whatsapp-float-btn:hover {
    background: #1EBE57;
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.45);
}

.whatsapp-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.whatsapp-badge {
    white-space: nowrap;
    animation: pulse 2s infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Responsive mobile */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 1.5rem;
        right: 1.5rem;
    }
    
    .whatsapp-float-btn {
        padding: 0.875rem;
        border-radius: 50%;
        width: 60px;
        height: 60px;
        justify-content: center;
    }
    
    .whatsapp-badge {
        display: none;
    }
    
    .whatsapp-icon {
        width: 32px;
        height: 32px;
    }
}


/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}