/**
 * Styles CSS pour RDI Cordier
 * Design moderne inspiré d'Apple avec Bootstrap
 */

/* Variables CSS - Inspiré de MAKE-IT-SIMPLE */
:root {
    --primary-color: #1e40af;
    --primary-hover: #1d4ed8;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --background-light: #f8fafc;
    --background-dark: #0f172a;
    --background-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --white: #ffffff;
    --success-color: #10b981;
    --error-color: #ef4444;
    --border-color: #e5e7eb;
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 16px;
    --border-radius-small: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, #fb923c 100%);
}

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--white);
    overflow-x: hidden;
    scroll-behavior: smooth;
    padding-top: 70px;
}

/* Navigation - Style moderne inspiré de MAKE-IT-SIMPLE */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: saturate(180%) blur(20px);
    z-index: 1000;
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-content {
    width: 100%;
    max-width: 1024px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: var(--primary-color) !important;
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 44px;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary) !important;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius-small);
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color) !important;
    background: rgba(30, 64, 175, 0.1);
}

.nav-lang-btn {
    color: var(--text-primary) !important;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--border-color) !important;
    background: var(--white) !important;
    padding: 8px 12px !important;
    border-radius: var(--border-radius-small);
    text-decoration: none;
}

.nav-lang-btn:hover {
    opacity: 1;
}

.dropdown-menu {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-small);
}

.dropdown-item {
    color: var(--white);
    font-size: 14px;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.dropdown-item.active {
    background: var(--primary-color);
    color: var(--white);
}

/* RGPD Banner */
.rgpd-banner {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--primary-color);
    color: var(--white);
    padding: 15px 0;
    z-index: 999;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-medium);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--background-dark) 0%, #1a1a1a 100%);
    color: var(--white);
    padding: 120px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 22px;
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    font-size: 18px;
    line-height: 1.2;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--accent-color);
    margin-bottom: 16px;
    text-transform: uppercase;
    display: inline-block;
    padding: 8px 16px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: 50px;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.hero-headline {
    font-size: 64px;
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subheadline {
    font-size: 28px;
    line-height: 1.14286;
    font-weight: 400;
    letter-spacing: 0.007em;
    color: var(--text-tertiary);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 20px;
    line-height: 1.6;
    font-weight: 400;
    letter-spacing: 0.01em;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Hero Services - Nouveau design */
.hero-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

.hero-service-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-small);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    text-align: left;
}

.hero-service-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.hero-service-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.hero-service-item span:last-child {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.4;
}

/* CTA Buttons - Style moderne */
.cta-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.cta-primary {
    background: var(--white);
    color: var(--primary-color) !important;
    padding: 16px 32px;
    border-radius: var(--border-radius-small);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.025em;
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.cta-primary:hover::before {
    left: 100%;
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
    color: var(--primary-color) !important;
}

.cta-secondary {
    color: var(--secondary-color) !important;
    text-decoration: none;
    font-size: 21px;
    font-weight: 400;
    letter-spacing: 0.011em;
    transition: var(--transition);
}

.cta-secondary:hover {
    text-decoration: underline !important;
}

/* Product/Solutions Section - Style moderne */
.product-section {
    background: var(--background-light);
    padding: 120px 0;
    position: relative;
}

.product-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.product-content {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 22px;
    text-align: center;
}

.product-eyebrow {
    font-size: 19px;
    line-height: 1.21053;
    font-weight: 600;
    letter-spacing: 0.012em;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.product-headline {
    font-size: 48px;
    line-height: 1.08349;
    font-weight: 600;
    letter-spacing: -0.003em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.product-description {
    font-size: 21px;
    line-height: 1.381;
    font-weight: 400;
    letter-spacing: 0.011em;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 60px;
}

/* Features Grid - Style inspiré de MAKE-IT-SIMPLE */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-top: 80px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 48px 40px;
    text-align: left;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

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

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-medium);
    color: var(--white);
}

.feature-title {
    font-size: 24px;
    line-height: 1.16667;
    font-weight: 600;
    letter-spacing: 0.009em;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.feature-description {
    font-size: 17px;
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    color: var(--text-secondary);
}

/* Tech/Expertise Section */
.tech-section {
    background: var(--background-light);
    color: var(--text-primary);
    padding: 120px 0;
}

.tech-content {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 22px;
    text-align: center;
}

.tech-headline {
    font-size: 48px;
    line-height: 1.08349;
    font-weight: 600;
    letter-spacing: -0.003em;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.tech-description {
    font-size: 21px;
    line-height: 1.381;
    font-weight: 400;
    letter-spacing: 0.011em;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 80px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    text-align: left;
}

.tech-item {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.tech-item-title {
    font-size: 20px;
    line-height: 1.21053;
    font-weight: 600;
    letter-spacing: 0.012em;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.tech-list {
    list-style: none;
}

.tech-list li {
    font-size: 16px;
    line-height: 1.5;
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.tech-list li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
}

/* Contact Section */
.contact-section {
    background: var(--background-light);
    padding: 100px 0;
}

.contact-content {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 22px;
    text-align: center;
}

.contact-headline {
    font-size: 48px;
    line-height: 1.08349;
    font-weight: 600;
    letter-spacing: -0.003em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.contact-description {
    font-size: 21px;
    line-height: 1.381;
    font-weight: 400;
    letter-spacing: 0.011em;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 60px;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

.contact-item {
    text-align: center;
}

.contact-label {
    font-size: 12px;
    line-height: 1.33337;
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.contact-value {
    font-size: 19px;
    line-height: 1.21053;
    font-weight: 600;
    letter-spacing: 0.012em;
    color: var(--text-primary);
}

/* Form Section */
.form-section {
    background: var(--background-light);
    padding: 100px 0;
}

.form-content {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 22px;
}

.form-headline {
    font-size: 48px;
    line-height: 1.08349;
    font-weight: 600;
    letter-spacing: -0.003em;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 20px;
}

.form-description {
    font-size: 21px;
    line-height: 1.381;
    font-weight: 400;
    letter-spacing: 0.011em;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 60px;
}

.contact-form {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-light);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 17px;
    line-height: 1.47059;
    font-weight: 600;
    letter-spacing: -0.022em;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-input, 
.form-textarea, 
.form-select {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-small);
    font-size: 17px;
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    color: var(--text-primary);
    background: white;
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus, 
.form-textarea:focus, 
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

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

.form-submit {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 16px 24px;
    border-radius: var(--border-radius-small);
    font-size: 17px;
    line-height: 1.47059;
    font-weight: 600;
    letter-spacing: -0.022em;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.form-submit:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.form-submit:active {
    transform: translateY(0);
}

/* Honeypot field (hidden) */
.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

/* Checkbox styling */
.form-check {
    margin: 20px 0;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Alert messages */
.alert {
    border-radius: var(--border-radius-small);
    margin-bottom: 20px;
}

.alert-success {
    background-color: rgba(48, 209, 88, 0.1);
    border-color: var(--success-color);
    color: #1b5e20;
}

.alert-danger {
    background-color: rgba(255, 59, 48, 0.1);
    border-color: var(--error-color);
    color: #c62828;
}

/* Footer */
.footer-section {
    background: var(--text-primary);
    color: var(--text-tertiary);
    padding: 60px 0 20px;
}

.footer-title {
    color: var(--white);
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-description {
    font-size: 17px;
    line-height: 1.47059;
    margin-bottom: 20px;
}

.footer-subtitle {
    color: var(--white);
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 40px 0 20px;
}

.footer-copyright,
.footer-location {
    font-size: 14px;
    color: var(--text-tertiary);
}

/* Responsive Design */
@media (max-width: 1068px) {
    .nav-links {
        display: none;
    }
    
    .navbar-toggler {
        border: none;
        padding: 4px 8px;
        background: var(--white);
        border-radius: var(--border-radius-small);
    }
    
    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2831, 41, 55, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
    
    .hero-headline {
        font-size: 48px;
    }
    
    .hero-services {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .product-headline, 
    .tech-headline, 
    .contact-headline {
        font-size: 40px;
    }
    
    .contact-info {
        gap: 40px;
    }
}

@media (max-width: 734px) {
    .hero-headline {
        font-size: 36px;
    }
    
    .hero-subheadline {
        font-size: 18px;
    }
    
    .hero-services {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .hero-service-item {
        padding: 12px 16px;
    }
    
    .hero-description, 
    .product-description, 
    .tech-description, 
    .contact-description, 
    .form-description {
        font-size: 16px;
    }
    
    .product-headline, 
    .tech-headline, 
    .contact-headline, 
    .form-headline {
        font-size: 28px;
    }
    
    .cta-links {
        flex-direction: column;
        gap: 16px;
    }

    .contact-form {
        padding: 30px 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .feature-card {
        padding: 32px 24px;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 24px;
    }
    
    .nav-bar {
        height: 60px;
        padding: 0 16px;
    }
    
    body {
        padding-top: 60px;
    }
    
    .rgpd-banner {
        top: 60px;
    }
}

/* Animations et transitions */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Print styles */
@media print {
    .nav-bar,
    .rgpd-banner,
    .footer-section {
        display: none !important;
    }
    
    body {
        padding-top: 0;
        background: white;
        color: black;
    }
    
    .hero-section,
    .tech-section {
        background: white !important;
        color: black !important;
    }
}