/* Reset & Base Styles */
*{margin:0;padding:0;box-sizing:border-box}
:root{--bg-primary:#0a0a0f;--bg-secondary:#111118;--bg-tertiary:#1a1a24;--bg-card:#151520;--bg-card-hover:#1d1d2a;--accent-primary:#6366f1;--accent-secondary:#8b5cf6;--accent-gradient:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);--text-primary:#fff;--text-secondary:#c4c4d4;--text-tertiary:#9090a0;--border-color:#252530;--border-hover:#353540;--shadow-sm:0 2px 8px rgba(0,0,0,.3);--shadow-md:0 4px 16px rgba(0,0,0,.4);--shadow-lg:0 8px 32px rgba(0,0,0,.5);--shadow-glow:0 0 40px rgba(99,102,241,.3);--spacing-xs:.5rem;--spacing-sm:1rem;--spacing-md:2rem;--spacing-lg:4rem;--spacing-xl:6rem;--font-primary:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--font-display:'Playfair Display',serif;--transition-fast:.2s ease;--transition-base:.3s ease;--transition-slow:.5s ease}
html{scroll-behavior:smooth}
body{font-family:var(--font-primary);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}

/* Navigation */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,10,15,.8);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);transition:all var(--transition-base)}
.navbar.scrolled{background:rgba(10,10,15,.95);box-shadow:var(--shadow-md)}
.nav-content{display:flex;flex-direction:row;align-items:center;justify-content:space-between;padding:1rem 0;gap:2rem}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo-img{height:36px;width:auto}
.nav-menu{display:flex;list-style:none;gap:2rem;align-items:center}
.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;transition:color var(--transition-fast);position:relative}
.nav-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent-gradient);transition:width var(--transition-base)}
.nav-link:hover{color:var(--text-primary)}
.nav-link:hover::after{width:100%}
.mobile-menu-toggle{display:none;flex-direction:column;gap:4px;background:0 0;border:none;cursor:pointer;padding:8px}
.mobile-menu-toggle span{width:24px;height:2px;background:var(--text-primary);transition:all var(--transition-base)}

/* CTA Buttons */
.cta-button{padding:.75rem 1.5rem;border:none;border-radius:8px;font-weight:600;font-size:.95rem;cursor:pointer;transition:all var(--transition-base);display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;font-family:var(--font-primary)}
.cta-primary{background:var(--accent-gradient);color:var(--text-primary);box-shadow:0 4px 16px rgba(99,102,241,.4)}
.cta-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(99,102,241,.5)}
.cta-secondary{background:0 0;color:var(--text-primary);border:2px solid var(--border-color)}
.cta-secondary:hover{border-color:var(--accent-primary);background:rgba(99,102,241,.1)}

/* Hero Section */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:80px;padding-bottom:2rem;overflow:hidden}
.hero-background{position:absolute;top:0;left:0;right:0;bottom:0;z-index:0;overflow:hidden}
.gradient-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.3;animation:float 20s infinite ease-in-out}
.orb-1{width:500px;height:500px;background:var(--accent-primary);top:-200px;left:-200px}
.orb-2{width:400px;height:400px;background:var(--accent-secondary);bottom:-150px;right:-150px;animation-delay:5s}
.orb-3{width:300px;height:300px;background:var(--accent-primary);top:50%;right:10%;animation-delay:10s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-30px) scale(1.1)}66%{transform:translate(-20px,20px) scale(.9)}}
.hero-content{position:relative;z-index:1;max-width:800px;text-align:center;margin:0 auto}
.hero-title{font-family:var(--font-display);font-size:clamp(2.5rem,8vw,5rem);font-weight:700;line-height:1.1;margin-bottom:1.5rem}
.title-line{display:block}
.title-accent{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);margin-bottom:2.5rem;line-height:1.8;max-width:700px;margin-left:auto;margin-right:auto}
.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:4rem}
.hero-stats{display:flex;gap:3rem;justify-content:center;flex-wrap:wrap;padding-top:3rem;border-top:1px solid var(--border-color);margin-bottom:4rem}
.stat-item{text-align:center}
.stat-number{font-size:2.5rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}
.stat-label{color:var(--text-secondary);font-size:.9rem}
.scroll-indicator{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);z-index:1}
.mouse{width:24px;height:40px;border:2px solid var(--text-tertiary);border-radius:12px;position:relative}
.wheel{width:4px;height:8px;background:var(--text-tertiary);border-radius:2px;position:absolute;top:8px;left:50%;transform:translateX(-50%);animation:scroll 2s infinite}
@keyframes scroll{0%{opacity:1;transform:translateX(-50%) translateY(0)}100%{opacity:0;transform:translateX(-50%) translateY(12px)}}

/* Section Styles */
section{padding:var(--spacing-xl) 0;position:relative}
.section-header{text-align:center;margin-bottom:4rem}
.section-tag{display:inline-block;padding:.5rem 1rem;background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.3);border-radius:50px;color:var(--accent-primary);font-size:.875rem;font-weight:600;margin-bottom:1rem;text-transform:uppercase;letter-spacing:1px}
.section-title{font-family:var(--font-display);font-size:clamp(2rem,5vw,3.5rem);font-weight:700;margin-bottom:1rem;line-height:1.2}
.section-description{font-size:1.125rem;color:var(--text-secondary);max-width:600px;margin:0 auto}

/* Services Section */
.services{background:var(--bg-secondary);padding-top:2rem}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}
.service-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:2.5rem;transition:all var(--transition-base);position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent-gradient);transform:scaleX(0);transition:transform var(--transition-base)}
.service-card:hover{transform:translateY(-8px);border-color:var(--border-hover);box-shadow:var(--shadow-lg)}
.service-card:hover::before{transform:scaleX(1)}
.service-card.featured{border-color:var(--accent-primary);box-shadow:0 0 40px rgba(99,102,241,.2)}
.featured-badge{position:absolute;top:1.5rem;right:1.5rem;padding:.25rem .75rem;background:var(--accent-gradient);border-radius:20px;font-size:.75rem;font-weight:600}
.service-icon{width:64px;height:64px;background:rgba(99,102,241,.1);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;color:var(--accent-primary)}
.service-title{font-size:1.5rem;font-weight:700;margin-bottom:1rem}
.service-description{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.7}
.service-features{list-style:none;margin-bottom:2rem}
.service-features li{padding:.5rem 0;color:var(--text-secondary);position:relative;padding-left:1.5rem}
.service-features li::before{content:'✓';position:absolute;left:0;color:var(--accent-primary);font-weight:700}
.service-cta{background:0 0;border:2px solid var(--border-color);color:var(--text-primary);padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all var(--transition-base);width:100%}
.service-cta:hover{border-color:var(--accent-primary);background:rgba(99,102,241,.1)}

/* About Section */
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.about-description{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.8;font-size:1.0625rem}
.about-features{margin-top:2rem}
.about-feature{display:flex;gap:1rem;margin-bottom:1.5rem}
.feature-check{width:40px;height:40px;background:rgba(99,102,241,.1);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--accent-primary);flex-shrink:0}
.about-feature h3{margin-bottom:.25rem;font-size:1.125rem}
.about-feature p{color:var(--text-secondary);font-size:.9375rem}
.about-visual{position:relative;height:500px}
.visual-card{position:absolute;width:200px;height:200px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;display:flex;align-items:center;justify-content:center;transition:all var(--transition-base)}
.visual-card:hover{transform:scale(1.05);box-shadow:var(--shadow-lg)}
.card-1{top:0;left:0;animation:float 6s infinite ease-in-out}
.card-2{top:50%;right:0;transform:translateY(-50%);animation:float 8s infinite ease-in-out;animation-delay:2s}
.card-3{bottom:0;left:20%;animation:float 7s infinite ease-in-out;animation-delay:4s}
.card-content{text-align:center}
.card-icon{font-size:3rem;margin-bottom:.5rem}
.card-text{font-weight:600;color:var(--text-secondary)}

/* Portfolio Section */
.portfolio{background:var(--bg-secondary)}
.portfolio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.portfolio-item{border-radius:16px;overflow:hidden;position:relative;aspect-ratio:4/3;cursor:pointer}
.portfolio-image{width:100%;height:100%;background:var(--bg-card);border:1px solid var(--border-color);position:relative;overflow:hidden}
.portfolio-image-1{background-image:url('./assets/images/debouchage77.jpg');background-size:cover;background-position:center}
.portfolio-image-2{background-image:url('./assets/images/real_isol.jpg');background-size:cover;background-position:center}
.portfolio-image-3{background-image:url('./assets/images/actiris.jpg');background-size:cover;background-position:center}
.portfolio-image::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(99,102,241,.1) 0%,rgba(139,92,246,.1) 100%);opacity:0;transition:opacity var(--transition-base)}
.portfolio-item:hover .portfolio-image::before{opacity:1}
.portfolio-overlay{position:absolute;bottom:0;left:0;right:0;padding:2rem;background:linear-gradient(to top,rgba(10,10,15,.98),rgba(10,10,15,.85) 60%,transparent);z-index:2}
.portfolio-overlay h3{font-size:1.5rem;margin-bottom:.5rem}
.portfolio-overlay p{color:#fff;margin-bottom:1rem}
.portfolio-tag{display:inline-block;padding:.25rem .75rem;background:var(--accent-primary);border-radius:20px;font-size:.75rem;font-weight:600}

/* Testimonials Section */
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.testimonial-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:2rem;transition:all var(--transition-base)}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-hover)}
.testimonial-stars{color:#fbbf24;font-size:1.25rem;margin-bottom:1rem}
.testimonial-text{color:var(--text-secondary);line-height:1.8;margin-bottom:1.5rem;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:1rem}
.author-avatar{width:48px;height:48px;border-radius:50%;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.author-name{font-weight:600;margin-bottom:.25rem}
.author-role{color:var(--text-secondary);font-size:.875rem}

/* Contact Section */
.contact{background:var(--bg-secondary)}
.contact-content{display:grid;grid-template-columns:1fr 1.2fr;gap:4rem}
.contact-description{color:var(--text-secondary);margin-bottom:2rem;line-height:1.8}
.contact-details{margin-top:2rem}
.contact-item{display:flex;gap:1rem;margin-bottom:2rem}
.contact-icon{width:48px;height:48px;background:rgba(99,102,241,.1);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--accent-primary);flex-shrink:0}
.contact-item h3{margin-bottom:.25rem;font-size:1.125rem}
.contact-item p{color:var(--text-secondary)}
.contact-form{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:2.5rem}
.form-group{margin-bottom:1.5rem}
.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:.875rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-family:var(--font-primary);font-size:1rem;transition:all var(--transition-fast)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:0;border-color:var(--accent-primary);box-shadow:0 0 0 3px rgba(99,102,241,.1)}
.form-group textarea{resize:vertical;min-height:120px}
.form-submit{width:100%;justify-content:center;margin-top:1rem}

/* Footer */
.footer{background:var(--bg-primary);border-top:1px solid var(--border-color);padding:4rem 0 2rem}
.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-description{color:var(--text-secondary);margin-top:1rem;line-height:1.7}
.social-links{display:flex;gap:1rem;margin-top:1.5rem}
.social-link{width:40px;height:40px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all var(--transition-fast)}
.social-link:hover{color:var(--accent-primary);border-color:var(--accent-primary);transform:translateY(-2px)}
.footer-section h3{margin-bottom:1rem;font-size:1.125rem}
.footer-links{list-style:none}
.footer-links li{margin-bottom:.75rem}
.footer-links a{color:var(--text-secondary);text-decoration:none;transition:color var(--transition-fast)}
.footer-links a:hover{color:var(--accent-primary)}
.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid var(--border-color);color:var(--text-tertiary);font-size:.875rem}

/* Responsive Design */
@media (max-width:968px){.nav-menu{position:fixed;top:70px;left:0;right:0;background:var(--bg-secondary);flex-direction:column;padding:2rem;transform:translateX(-100%);transition:transform var(--transition-base);border-bottom:1px solid var(--border-color)}.nav-menu.active{transform:translateX(0)}.mobile-menu-toggle{display:flex}.about-content,.contact-content{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr 1fr}.hero-cta{flex-direction:column;align-items:stretch}.hero-cta .cta-button{width:100%;justify-content:center}}
@media (max-width:640px){.hero{margin-top:64px!important}.hero-stats{flex-direction:column;gap:2rem}.services-grid,.portfolio-grid,.testimonials-grid{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr}.section-title{font-size:2rem}.hero-title{font-size:2.5rem}}

/* Animations */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.fade-in-up{animation:fadeInUp .6s ease-out}

/* Accessibility */
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-primary);outline-offset:2px}
a[href^="tel"]{color:#fff!important;text-decoration:none!important;}