.hero-validation,.hero-empreinte{background:linear-gradient(135deg,#fff 0%,var(--se-offwhite) 100%);padding:60px 0 80px;border-bottom:1px solid var(--se-gray-border)}.hero-header{text-align:center;margin-bottom:50px}.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:10px 24px;border-radius:var(--radius-pill);margin-bottom:25px;font-weight:600}.hero-badge i{font-size:1.2rem}.hero-validation h1,.hero-empreinte h1{font-family:var(--font-heading);font-weight:normal;font-size:3rem;text-transform:uppercase;letter-spacing:.02em;color:var(--se-navy);margin-bottom:20px}.hero-subtitle{font-size:1.25rem;color:var(--se-gray);max-width:1000px;margin:0 auto;line-height:1.7}.hero-content-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;margin-top:50px}.hero-info h2{font-family:var(--font-heading);font-weight:normal;font-size:1.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--se-navy);margin-bottom:20px}.intro-text{font-size:1.05rem;color:var(--se-gray);line-height:1.8;margin-bottom:30px}.security-features{display:grid;gap:24px;margin-bottom:30px}.feature-item{display:flex;gap:16px;align-items:start;padding:20px;background:#fff;border-radius:var(--radius-md);border:1px solid var(--se-gray-border);transition:all .3s ease}.feature-item:hover{transform:translateX(5px);border-color:var(--se-orange);box-shadow:0 4px 15px rgba(0,0,0,.08)}.feature-item i{font-size:1.75rem;color:var(--se-orange);flex-shrink:0;margin-top:2px}.feature-content h3{font-size:1.1rem;font-weight:700;color:var(--se-navy);margin-bottom:6px}.feature-content p{font-size:.95rem;color:var(--se-gray);line-height:1.6;margin:0}.info-box{display:flex;gap:15px;align-items:start;padding:18px 20px;background:linear-gradient(135deg,rgba(255,193,7,.1),rgba(255,193,7,.05));border-left:4px solid var(--se-warning);border-radius:var(--radius-sm);font-size:.95rem;color:var(--se-navy)}.info-box i{color:var(--se-warning);font-size:1.5rem;flex-shrink:0}.hero-upload{position:sticky;top:100px;background:#fff;padding:35px;border-radius:var(--radius-xl);box-shadow:0 10px 40px rgba(0,0,0,.08);border:2px solid var(--se-gray-border)}.upload-title{font-family:var(--font-heading);font-weight:normal;font-size:1.5rem;text-transform:uppercase;letter-spacing:.08em;color:var(--se-navy);margin-bottom:10px}.upload-subtitle{font-size:.95rem;color:var(--se-gray);margin-bottom:25px;line-height:1.6}.upload-section{padding:0;background:transparent}.upload-section h3{display:none}.upload-area{background:linear-gradient(135deg,var(--se-offwhite) 0%,#fff 100%);border:2px dashed var(--se-gray-border);border-radius:var(--radius-lg);padding:40px 25px;text-align:center;transition:all .3s ease;cursor:pointer}.upload-area:hover{border-color:var(--se-orange);background:linear-gradient(135deg,#fff5f0 0%,#fff 100%);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.06)}.upload-area.drag-over{border-color:var(--se-orange);background:linear-gradient(135deg,#fff5f0 0%,#fff 100%);border-style:solid}.upload-icon{font-size:3.5rem;color:var(--se-orange);margin-bottom:16px}.upload-text{font-size:1.1rem;color:var(--se-navy);margin-bottom:8px;font-weight:600}.upload-subtext{font-size:.9rem;color:var(--se-gray);margin-bottom:20px}.btn-upload{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;background:linear-gradient(135deg,var(--se-success) 0%,#218838 100%);color:#fff;border:0;border-radius:var(--radius-md);font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px rgba(40,167,69,.25)}.btn-upload:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(40,167,69,.35)}.btn-upload i{font-size:1.1rem}.upload-info{margin-top:16px;font-size:.85rem;color:var(--se-gray)}.file-selected{background:var(--se-offwhite);border:0;border-radius:var(--radius-md);padding:20px;margin-top:20px}.file-info{display:flex;align-items:center;gap:14px;padding:16px;background:#fff;border-radius:var(--radius-md);margin-bottom:16px;border:1px solid var(--se-gray-border)}.file-details{flex:1;text-align:left}.file-name{font-size:1rem;font-weight:700;color:var(--se-navy);margin-bottom:4px}.file-size{font-size:.85rem;color:var(--se-gray)}.btn-remove{width:36px;height:36px;background:#fff;border:2px solid var(--se-gray-border);border-radius:50%;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;color:var(--se-gray);flex-shrink:0}.btn-remove:hover{background:var(--se-danger);border-color:var(--se-danger);color:#fff;transform:rotate(90deg)}.btn-validate,.btn-calculate{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:14px 28px;background:linear-gradient(135deg,var(--se-orange) 0%,var(--se-orange-dark) 100%);color:#fff;border:0;border-radius:var(--radius-md);font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-orange)}.btn-validate:hover,.btn-calculate:hover{transform:translateY(-2px);box-shadow:var(--shadow-orange-lg)}.btn-validate i,.btn-calculate i{font-size:1.2rem}.result-section{padding:0;background:#fff}.result-header{display:flex;align-items:center;gap:20px;margin-bottom:25px}.result-icon{font-size:3rem}.result-title{font-family:var(--font-heading);font-weight:normal;font-size:2rem;text-transform:uppercase;letter-spacing:.08em}.result-details{background:#fff;padding:25px;border-radius:var(--radius-md);margin-top:25px}.result-item{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--se-gray-border)}.result-item:last-child{border-bottom:0}.result-label{font-weight:600;color:var(--se-navy)}.result-value{color:var(--se-gray);text-align:right}@keyframes slideIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.site-footer{background:var(--se-navy-light);color:#fff;padding:60px 0 30px;margin-top:80px}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px;margin-bottom:40px}.footer-logo{height:40px;filter:brightness(0) invert(1)}.footer-column h4{font-family:var(--font-heading);font-weight:normal;font-size:1.25rem;margin-bottom:20px;text-transform:uppercase;letter-spacing:.08em}.footer-column ul{list-style:none}.footer-column ul li{margin-bottom:12px}.footer-column ul li a{color:rgba(255,255,255,.7);text-decoration:none;transition:color var(--transition-base)}.footer-column ul li a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;color:rgba(255,255,255,.5);font-size:14px}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.cta-banner{background:linear-gradient(135deg,var(--se-navy) 0%,var(--se-navy-dark) 100%);padding:80px 0;position:relative;overflow:hidden}.cta-banner::before{content:'';position:absolute;top:-50%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(255,255,255,.15) 0%,transparent 70%);border-radius:50%}.cta-banner::after{content:'';position:absolute;bottom:-30%;left:-5%;width:400px;height:400px;background:radial-gradient(circle,rgba(0,0,0,.1) 0%,transparent 70%);border-radius:50%}.cta-content{text-align:center;position:relative;z-index:1;max-width:800px;margin:0 auto}.cta-title{font-family:var(--font-heading);font-weight:normal;font-size:2.75rem;color:#fff;margin-bottom:20px;text-transform:uppercase;letter-spacing:1.5px;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.cta-description{font-size:1.2rem;color:rgba(255,255,255,.95);margin-bottom:40px;line-height:1.7;text-shadow:1px 1px 2px rgba(0,0,0,.1)}.cta-buttons{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.btn-cta-primary,.btn-cta-secondary{display:inline-flex;align-items:center;gap:12px;padding:18px 36px;border-radius:var(--radius-md);font-size:1.1rem;font-weight:700;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 6px 20px rgba(0,0,0,.2);position:relative;overflow:hidden}.btn-cta-primary::before,.btn-cta-secondary::before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(255,255,255,.2);transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn-cta-primary:hover::before,.btn-cta-secondary:hover::before{width:400px;height:400px}.btn-cta-primary{background:#fff;color:var(--se-orange);border:2px solid #fff}.btn-cta-primary:hover{background:rgba(255,255,255,.95);transform:translateY(-4px);box-shadow:0 10px 30px rgba(0,0,0,.3)}.btn-cta-secondary{background:transparent;color:#fff;border:2px solid #fff}.btn-cta-secondary:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);box-shadow:0 10px 30px rgba(0,0,0,.3)}.btn-cta-primary i,.btn-cta-secondary i{font-size:1.2rem;position:relative;z-index:1}.btn-cta-primary span,.btn-cta-secondary span{position:relative;z-index:1}@media(max-width:992px){.hero-content-grid{grid-template-columns:1fr;gap:40px}.hero-upload{position:relative;top:0}}@media(max-width:768px){.hero-validation h1,.hero-empreinte h1{font-size:2.2rem}.hero-subtitle{font-size:1.1rem}.hero-info h2{font-size:1.5rem}.intro-text{font-size:1rem}.feature-item{padding:16px}.feature-item i{font-size:1.5rem}.feature-content h3{font-size:1rem}.hero-upload{padding:28px}.upload-area{padding:35px 20px}.upload-icon{font-size:3rem}.upload-text{font-size:1rem}.btn-upload{padding:12px 24px;font-size:.95rem}.file-info{flex-direction:column;text-align:center;gap:12px}.file-details{text-align:center}.btn-validate,.btn-calculate{font-size:1rem;padding:13px 24px}.footer-grid{grid-template-columns:1fr;gap:30px}.cta-title{font-size:2rem}.cta-description{font-size:1.05rem}.cta-buttons{flex-direction:column;gap:15px}.btn-cta-primary,.btn-cta-secondary{width:100%;justify-content:center}}