/* ============================================
   VIVIALIS - DESIGN DISTINCTIF
   Typographie: DM Sans + Playfair Display
   Palette raffinée, animations subtiles
   ============================================ */

:root {
    /* Palette vive et contrastée */
    --color-dark: #0F172A;
    --color-slate: #1E293B;
    --color-blue-dark: #1D4ED8;
    --color-blue: #2563EB;
    --color-blue-light: #BFDBFE;
    --color-green: #059669;
    --color-purple: #7C3AED;
    --color-orange: #EA580C;
    
    /* Neutres plus contrastés */
    --color-bg: #FFFFFF;
    --color-bg-alt: #F8FAFC;
    --color-text: #0F172A;
    --color-text-light: #475569;
    --color-border: #CBD5E1;
    
    /* Typographie */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-sans: 'DM Sans', -apple-system, sans-serif;
    
    /* Espacements */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Animations */
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    z-index: 1000;
    transition: all 0.3s var(--ease-smooth);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

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

.logo-text {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    position: relative;
    transition: color 0.3s var(--ease-smooth);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-blue);
    transition: width 0.3s var(--ease-smooth);
}

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

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

.btn-nav {
    padding: 10px 24px;
    background: var(--color-dark);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s var(--ease-smooth);
}

.btn-nav:hover {
    background: var(--color-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.25);
}

.nav-toggle {
    display: none;
}

/* ============================================
   HERO
   ============================================ */

.hero {
    position: relative;
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(219, 234, 254, 0.8) 0%, 
        rgba(191, 219, 254, 0.6) 50%,
        rgba(239, 246, 255, 0.4) 100%);
    z-index: -1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--color-blue-dark);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 58px);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-dark);
    margin-bottom: var(--space-lg);
}

.title-accent {
    background: linear-gradient(135deg, var(--color-blue-dark), var(--color-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 19px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    max-width: 580px;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--color-dark);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s var(--ease-smooth);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.15);
}

.btn-primary:hover {
    background: var(--color-blue-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(30, 64, 175, 0.3);
}

.btn-primary svg {
    transition: transform 0.3s var(--ease-smooth);
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    background: white;
    color: var(--color-dark);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    border: 2px solid var(--color-border);
    transition: all 0.3s var(--ease-smooth);
}

.btn-secondary:hover {
    border-color: var(--color-blue);
    color: var(--color-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.15);
}

.hero-badges {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    color: var(--color-text-light);
}

.badge svg {
    color: var(--color-blue-dark);
    flex-shrink: 0;
}

.hero-visual {
    position: relative;
    height: 500px;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.hero-card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: var(--space-xl);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    display: flex;
    gap: var(--space-lg);
    align-items: start;
    max-width: 400px;
    border: 1px solid rgba(226, 232, 240, 0.5);
}

.hero-card.floating {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-20px); }
}

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

.card-title {
    font-weight: 700;
    font-size: 16px;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.card-subtitle {
    font-size: 15px;
    color: var(--color-text-light);
}

.hero-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.3;
    z-index: -1;
}

/* ============================================
   SERVICES BAR MODERNE
   ============================================ */

.services-bar-modern {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-alt);
}

.services-modern-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.service-modern-card {
    background: white;
    padding: var(--space-2xl) var(--space-xl);
    border-radius: 16px;
    text-align: center;
    transition: all 0.4s var(--ease-smooth);
    border: 1px solid transparent;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.service-modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color, var(--color-blue)), transparent);
    opacity: 0;
    transition: opacity 0.4s var(--ease-smooth);
}

.service-modern-card:hover::before {
    opacity: 1;
}

.service-modern-card:nth-child(1) { --accent-color: #1D4ED8; }
.service-modern-card:nth-child(2) { --accent-color: #059669; }
.service-modern-card:nth-child(3) { --accent-color: #7C3AED; }
.service-modern-card:nth-child(4) { --accent-color: #EA580C; }

.service-modern-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    border-color: var(--accent-color);
}

.service-modern-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s var(--ease-smooth);
    position: relative;
}

.service-icon-blue {
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.1), rgba(37, 99, 235, 0.05));
    color: #1D4ED8;
}

.service-icon-green {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.1), rgba(16, 185, 129, 0.05));
    color: #059669;
}

.service-icon-purple {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(139, 92, 246, 0.05));
    color: #7C3AED;
}

.service-icon-orange {
    background: linear-gradient(135deg, rgba(234, 88, 12, 0.1), rgba(249, 115, 22, 0.05));
    color: #EA580C;
}

.service-modern-card:hover .service-modern-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-modern-card h3 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: var(--color-dark);
}

.service-modern-card p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.5;
}

@media (max-width: 968px) {
    .services-modern-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* ============================================
   SERVICES DÉTAILLÉS
   ============================================ */

.services {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(30, 64, 175, 0.08);
    color: var(--color-blue-dark);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--space-md);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.service-card {
    background: white;
    padding: var(--space-xl);
    border-radius: 16px;
    border: 1px solid var(--color-border);
    transition: all 0.4s var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-blue), var(--color-blue-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-smooth);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--color-blue-light);
}

.service-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s var(--ease-smooth);
}

.service-icon-blue {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(30, 64, 175, 0.05));
    color: var(--color-blue);
}

.service-icon-green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.05));
    color: var(--color-green);
}

.service-icon-purple {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(109, 40, 217, 0.05));
    color: var(--color-purple);
}

.service-icon-orange {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.05));
    color: var(--color-orange);
}

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

.service-tag {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--space-md);
}

.service-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.service-list {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.service-list li {
    padding-left: 28px;
    position: relative;
    margin-bottom: var(--space-sm);
    font-size: 14px;
    color: var(--color-text);
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-blue);
    font-weight: bold;
}

.service-link {
    color: var(--color-blue-dark);
    font-weight: 600;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s var(--ease-smooth);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.service-link:hover {
    color: var(--color-blue);
    gap: 10px;
}

/* ============================================
   ANIMATIONS - VERSION RAPIDE
   ============================================ */

[data-aos] {
    /* Pas d'animation - affichage immédiat */
    opacity: 1;
    transform: none;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: none;
}

/* ============================================
   EXPERTISE
   ============================================ */

.expertise {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-alt);
}

.expertise-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

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

.expertise-text h2 {
    font-family: var(--font-display);
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--space-lg);
}

.expertise-text p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-blue-dark);
    font-weight: 600;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s var(--ease-smooth);
}

.link-arrow:hover {
    color: var(--color-blue);
    gap: 12px;
}

.link-arrow svg {
    transition: transform 0.3s var(--ease-smooth);
}

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

/* ============================================
   VIVIANOTICE
   ============================================ */

.vivianotice {
    position: relative;
    padding: var(--space-3xl) 0;
    overflow: hidden;
}

.vivianotice-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(237, 233, 254, 0.8) 0%, 
        rgba(221, 214, 254, 0.6) 100%);
    z-index: -1;
}

.vivianotice-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.tag-vivianotice {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-purple);
}

.vivianotice-content h2 {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--space-md);
}

.vivianotice-subtitle {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

.vivianotice-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.vivianotice-features li {
    display: flex;
    align-items: start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-size: 15px;
    color: var(--color-text);
}

.vivianotice-features svg {
    flex-shrink: 0;
    color: var(--color-purple);
    margin-top: 2px;
}

.btn-vivianotice {
    background: var(--color-purple);
}

.btn-vivianotice:hover {
    background: #7C3AED;
}

.mockup-frame {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--color-border);
}

.mockup-header {
    padding: 16px;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
}

.mockup-dots {
    display: flex;
    gap: 8px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
}

.mockup-content {
    padding: var(--space-2xl);
}

.mockup-placeholder {
    background: var(--color-bg-alt);
    border: 2px dashed var(--color-border);
    border-radius: 12px;
    padding: var(--space-3xl);
    text-align: center;
    color: var(--color-text-light);
    font-size: 14px;
}

/* ============================================
   WHY VIVIALIS
   ============================================ */

.why-vivialis {
    padding: var(--space-3xl) 0;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.why-item {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: white;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    transition: all 0.3s var(--ease-smooth);
}

.why-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    border-color: var(--color-blue-light);
}

.why-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-green);
}

.why-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--space-xs);
}

.why-content p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    position: relative;
    padding: var(--space-3xl) 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0F172A 0%, #1D4ED8 100%);
    z-index: -1;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    color: white;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 42px);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: white;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: var(--space-xl);
    color: rgba(255, 255, 255, 0.9);
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: white;
    color: var(--color-dark);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s var(--ease-smooth);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.btn-cta svg {
    transition: transform 0.3s var(--ease-smooth);
}

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

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--color-dark);
    color: white;
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-logo span {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: var(--space-sm);
    transition: color 0.3s var(--ease-smooth);
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 968px) {
    .nav-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
    }
    
    .nav-toggle span {
        width: 24px;
        height: 2px;
        background: var(--color-dark);
        transition: 0.3s;
    }
    
    .nav-menu {
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        height: 400px;
    }
    
    .services-bar-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-content {
        grid-template-columns: 1fr;
    }
    
    .vivianotice-grid {
        grid-template-columns: 1fr;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .services-bar-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   PAGES SERVICES DÉTAILLÉS
   ============================================ */

.service-detail {
    padding: var(--space-3xl) 0;
}

.service-detail-content {
    max-width: 900px;
    margin: 0 auto;
}

.service-detail h2 {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 42px);
    margin-bottom: var(--space-lg);
    color: var(--color-dark);
}

.lead {
    font-size: 19px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: var(--space-2xl);
}

.service-detail h3 {
    font-size: 24px;
    font-weight: 700;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-lg);
    color: var(--color-dark);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.process-step {
    text-align: center;
    padding: var(--space-lg);
}

.step-number {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    background: linear-gradient(135deg, var(--color-blue), var(--color-blue-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
}

.process-step h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: var(--color-dark);
}

.process-step p {
    font-size: 14px;
    color: var(--color-text-light);
}

.deliverables-list {
    list-style: none;
    margin-bottom: var(--space-2xl);
}

.deliverables-list li {
    padding-left: 32px;
    position: relative;
    margin-bottom: var(--space-md);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
}

.deliverables-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-green);
    font-weight: bold;
    font-size: 18px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.tech-card {
    padding: var(--space-lg);
    background: white;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.tech-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-blue-dark);
}

.tech-card p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.6;
}

.modules-grid {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.module-item {
    display: flex;
    align-items: start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: white;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.cta-box {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(30, 64, 175, 0.05));
    padding: var(--space-xl);
    border-radius: 16px;
    text-align: center;
    margin-top: var(--space-2xl);
    border: 2px solid var(--color-blue-light);
}

.cta-box p {
    margin-bottom: var(--space-lg);
    font-size: 18px;
    color: var(--color-dark);
}

/* ============================================
   PAGE CONTACT
   ============================================ */

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

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-form {
    background: white;
    padding: var(--space-2xl);
    border-radius: 16px;
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-dark);
    font-size: 15px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--color-text);
    transition: all 0.3s var(--ease-smooth);
}

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

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    justify-content: center;
}

.form-notice {
    margin-top: var(--space-lg);
    font-size: 13px;
    color: var(--color-text-light);
    text-align: center;
    line-height: 1.5;
}

.form-notice a {
    color: var(--color-blue-dark);
    text-decoration: underline;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-info-card {
    background: white;
    padding: var(--space-xl);
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.contact-info-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-dark);
}

.contact-info-card p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.6;
}

.contact-item {
    display: flex;
    align-items: start;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-item svg {
    flex-shrink: 0;
    color: var(--color-blue);
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 15px;
    color: var(--color-text-light);
    margin: 0;
}

.vivianotice-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* ============================================
   RESPONSIVE ADDITIONS
   ============================================ */

@media (max-width: 968px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid,
    .modules-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ACCORDION INTERACTIF
   ============================================ */

.accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.accordion-item {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s var(--ease-smooth);
}

.accordion-item:hover {
    border-color: var(--color-blue-light);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    background: white;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--color-dark);
    transition: background 0.3s var(--ease-smooth);
}

.accordion-header:hover {
    background: var(--color-bg-alt);
}

.accordion-icon {
    flex-shrink: 0;
    color: var(--color-blue);
    transition: transform 0.3s var(--ease-smooth);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease-smooth), padding 0.4s var(--ease-smooth);
    padding: 0 var(--space-lg);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
    padding: 0 var(--space-lg) var(--space-lg) var(--space-lg);
}

.accordion-content p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: var(--space-sm);
}

.accordion-content p:last-child {
    margin-bottom: 0;
}

.accordion-content strong {
    color: var(--color-dark);
    font-weight: 600;
}

/* ============================================
   DROPDOWN MENU SOLUTIONS
   ============================================ */

.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    padding: 8px 0;
    margin-top: 8px;
    z-index: 1000;
}

.nav-dropdown:hover .nav-dropdown-content {
    display: block;
}

.nav-dropdown-content a {
    display: block;
    padding: 12px 20px;
    color: var(--color-dark);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: background 0.2s var(--ease-smooth);
}

.nav-dropdown-content a:hover {
    background: var(--color-bg-alt);
}

.nav-link.has-dropdown::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 6px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    vertical-align: middle;
}