.isolation-border{position:relative}.isolation-border::before{content:'';position:absolute;top:0;left:0;right:0;height:8px;background:repeating-linear-gradient(90deg,transparent 0,transparent 2px,var(--blue-primary) 2px,var(--blue-primary) 4px),repeating-linear-gradient(135deg,var(--blue-light) 0,var(--blue-light) 6px,transparent 6px,transparent 12px);opacity:.6}.isolation-line{height:12px;width:100%;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='12' viewBox='0 0 24 12'%3E%3Cpath d='M0 6 L6 0 L12 6 L18 0 L24 6 L18 12 L12 6 L6 12 Z' fill='none' stroke='%231e4a8f' stroke-width='1' opacity='0.4'/%3E%3C/svg%3E") repeat-x;margin:20px 0}.isolation-vertical{width:12px;height:100%;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='24' viewBox='0 0 12 24'%3E%3Cpath d='M6 0 L0 6 L6 12 L0 18 L6 24 L12 18 L6 12 L12 6 Z' fill='none' stroke='%231e4a8f' stroke-width='1' opacity='0.4'/%3E%3C/svg%3E") repeat-y}.projet-card{position:relative}.projet-card::before{content:'';position:absolute;bottom:20px;right:20px;width:30px;height:50px;border:2px solid var(--blue-primary);background:var(--paper-bg);transform-origin:right center;transition:transform 0.4s ease;z-index:5;opacity:.8}.projet-card::after{content:'';position:absolute;bottom:42px;right:24px;width:4px;height:4px;border-radius:50%;background:var(--blue-primary);transition:all 0.4s ease;z-index:6}.projet-card:hover::before{transform:perspective(600px) rotateY(-70deg)}.projet-card:hover::after{right:44px;opacity:.5}.floating-objects{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-1;overflow:hidden}.float-object{position:absolute;opacity:.04;animation:float-drift 30s ease-in-out infinite}.float-chair{width:60px;height:60px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Crect x='20' y='10' width='60' height='5' fill='%231e4a8f'/%3E%3Crect x='20' y='15' width='5' height='50' fill='%231e4a8f'/%3E%3Crect x='75' y='15' width='5' height='50' fill='%231e4a8f'/%3E%3Crect x='20' y='65' width='60' height='5' fill='%231e4a8f'/%3E%3Crect x='20' y='70' width='5' height='25' fill='%231e4a8f'/%3E%3Crect x='75' y='70' width='5' height='25' fill='%231e4a8f'/%3E%3C/svg%3E") no-repeat center;top:15%;left:5%;animation-delay:0s}.float-lamp{width:40px;height:80px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 50 100'%3E%3Cellipse cx='25' cy='20' rx='20' ry='15' fill='none' stroke='%231e4a8f' stroke-width='2'/%3E%3Cline x1='25' y1='35' x2='25' y2='85' stroke='%231e4a8f' stroke-width='2'/%3E%3Cellipse cx='25' cy='90' rx='15' ry='5' fill='none' stroke='%231e4a8f' stroke-width='2'/%3E%3C/svg%3E") no-repeat center;top:60%;right:8%;animation-delay:-10s}.float-table{width:80px;height:50px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 60'%3E%3Crect x='5' y='5' width='90' height='5' fill='%231e4a8f'/%3E%3Crect x='10' y='10' width='5' height='45' fill='%231e4a8f'/%3E%3Crect x='85' y='10' width='5' height='45' fill='%231e4a8f'/%3E%3C/svg%3E") no-repeat center;bottom:20%;left:12%;animation-delay:-5s}.float-plant{width:50px;height:70px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 50 70'%3E%3Crect x='18' y='50' width='14' height='18' fill='none' stroke='%231e4a8f' stroke-width='2'/%3E%3Cpath d='M25 50 Q15 35 25 20 Q35 35 25 50' fill='none' stroke='%231e4a8f' stroke-width='2'/%3E%3Cpath d='M25 45 Q10 30 20 15' fill='none' stroke='%231e4a8f' stroke-width='2'/%3E%3Cpath d='M25 45 Q40 30 30 15' fill='none' stroke='%231e4a8f' stroke-width='2'/%3E%3C/svg%3E") no-repeat center;top:30%;right:15%;animation-delay:-15s}.float-sofa{width:100px;height:50px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 60'%3E%3Crect x='5' y='20' width='110' height='30' rx='5' fill='none' stroke='%231e4a8f' stroke-width='2'/%3E%3Crect x='5' y='10' width='25' height='25' rx='3' fill='none' stroke='%231e4a8f' stroke-width='2'/%3E%3Crect x='90' y='10' width='25' height='25' rx='3' fill='none' stroke='%231e4a8f' stroke-width='2'/%3E%3Crect x='10' y='50' width='8' height='8' fill='%231e4a8f'/%3E%3Crect x='102' y='50' width='8' height='8' fill='%231e4a8f'/%3E%3C/svg%3E") no-repeat center;bottom:35%;right:5%;animation-delay:-20s}.float-shelf{width:70px;height:60px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 70 60'%3E%3Crect x='5' y='5' width='60' height='3' fill='%231e4a8f'/%3E%3Crect x='5' y='25' width='60' height='3' fill='%231e4a8f'/%3E%3Crect x='5' y='45' width='60' height='3' fill='%231e4a8f'/%3E%3Crect x='5' y='5' width='3' height='43' fill='%231e4a8f'/%3E%3Crect x='62' y='5' width='3' height='43' fill='%231e4a8f'/%3E%3Crect x='15' y='10' width='8' height='12' fill='none' stroke='%231e4a8f' stroke-width='1'/%3E%3Crect x='30' y='30' width='10' height='12' fill='none' stroke='%231e4a8f' stroke-width='1'/%3E%3C/svg%3E") no-repeat center;top:45%;left:3%;animation-delay:-8s}@keyframes float-drift{0%,100%{transform:translate(0,0) rotate(0deg)}25%{transform:translate(15px,-20px) rotate(3deg)}50%{transform:translate(-10px,-10px) rotate(-2deg)}75%{transform:translate(20px,10px) rotate(2deg)}}.dimension-line{display:flex;align-items:center;gap:5px;font-family:var(--font-mono);font-size:10px;color:var(--blue-light);opacity:.7}.dimension-line::before,.dimension-line::after{content:'';flex:1;height:1px;background:var(--blue-light)}.dimension-line::before{background:linear-gradient(90deg,transparent,var(--blue-light))}.dimension-line::after{background:linear-gradient(90deg,var(--blue-light),transparent)}.north-arrow{position:fixed;bottom:30px;left:30px;width:40px;height:40px;opacity:.15;z-index:1;animation:north-pulse 4s ease-in-out infinite}.north-arrow svg{width:100%;height:100%}@keyframes north-pulse{0%,100%{opacity:.15;transform:scale(1)}50%{opacity:.25;transform:scale(1.05)}}.technical-corner{position:absolute;width:40px;height:40px;opacity:.3}.technical-corner--tl{top:0;left:0;border-top:2px solid var(--blue-primary);border-left:2px solid var(--blue-primary)}.technical-corner--tr{top:0;right:0;border-top:2px solid var(--blue-primary);border-right:2px solid var(--blue-primary)}.technical-corner--bl{bottom:0;left:0;border-bottom:2px solid var(--blue-primary);border-left:2px solid var(--blue-primary)}.technical-corner--br{bottom:0;right:0;border-bottom:2px solid var(--blue-primary);border-right:2px solid var(--blue-primary)}.hatch-pattern{background:repeating-linear-gradient(45deg,transparent,transparent 5px,rgb(30 74 143 / .05) 5px,rgb(30 74 143 / .05) 6px)}.hatch-pattern-cross{background:repeating-linear-gradient(45deg,transparent,transparent 8px,rgb(30 74 143 / .03) 8px,rgb(30 74 143 / .03) 9px),repeating-linear-gradient(-45deg,transparent,transparent 8px,rgb(30 74 143 / .03) 8px,rgb(30 74 143 / .03) 9px)}.scale-bar{display:flex;align-items:flex-end;gap:0;font-family:var(--font-mono);font-size:9px;color:var(--blue-light);opacity:.5}.scale-bar-segment{width:20px;height:6px;border:1px solid var(--blue-light)}.scale-bar-segment:nth-child(odd){background:var(--blue-light)}.draw-in{stroke-dasharray:1000;stroke-dashoffset:1000;animation:draw-line 2s ease forwards}@keyframes draw-line{to{stroke-dashoffset:0}}.section-reveal{opacity:0;transform:translateY(30px);transition:all 0.6s ease}.section-reveal.visible{opacity:1;transform:translateY(0)}.pencil-trail{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9998;overflow:visible}.pencil-path{filter:drop-shadow(0 0 3px rgb(91 159 255 / .5))}.magic-particles{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9997;overflow:hidden}.magic-particle{position:fixed;border-radius:50%;background:radial-gradient(circle,#5b9fff 0%,#1e4a8f 50%,transparent 70%);pointer-events:none;animation:particle-float 2s ease-out forwards;box-shadow:0 0 10px rgb(91 159 255 / .8),0 0 20px rgb(91 159 255 / .4)}@keyframes particle-float{0%{opacity:1;transform:translate(0,0) scale(1)}100%{opacity:0;transform:translate(var(--tx,0),var(--ty,-50px)) scale(0)}}.floating-dimension{position:fixed;background:rgb(30 74 143 / .95);color:#fff;padding:6px 12px;font-family:var(--font-mono);font-size:11px;border-radius:4px;pointer-events:none;z-index:10000;opacity:0;transition:opacity 0.2s ease;white-space:nowrap;box-shadow:0 4px 15px rgb(30 74 143 / .3);border:1px solid rgb(91 159 255 / .5)}.floating-dimension::before{content:'⟨ ';opacity:.6}.floating-dimension::after{content:' ⟩';opacity:.6}.dim-unit{opacity:.7;margin-left:3px}.draw-line{position:relative;overflow:hidden}.draw-line::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:var(--paper-bg,#f5f3ef);transform:translateX(0);transition:transform 1s ease}.draw-line.line-drawn::after{transform:translateX(100%)}.blueprint-reveal{position:relative;overflow:hidden}.blueprint-reveal::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent 0%,rgb(91 159 255 / .1) 45%,rgb(91 159 255 / .3) 50%,rgb(91 159 255 / .1) 55%,transparent 100%);animation:blueprint-scan 3s ease-in-out infinite}@keyframes blueprint-scan{0%,100%{left:-100%}50%{left:100%}}.ripple-effect{position:relative;overflow:hidden}.ripple-effect::after{content:'';position:absolute;top:50%;left:50%;width:0;height:0;background:rgb(91 159 255 / .3);border-radius:50%;transform:translate(-50%,-50%);transition:width 0.6s ease,height 0.6s ease,opacity 0.6s ease;opacity:0}.ripple-effect:active::after{width:300px;height:300px;opacity:1;transition:0s}.glow-pulse{animation:glow-pulse-anim 2s ease-in-out infinite}@keyframes glow-pulse-anim{0%,100%{box-shadow:0 0 5px rgb(91 159 255 / .3)}50%{box-shadow:0 0 20px rgb(91 159 255 / .6),0 0 40px rgb(91 159 255 / .3)}}.typewriter-text{opacity:0;font-family:var(--font-mono)}.typewriter-text::after{content:'|';animation:blink-cursor 0.7s step-end infinite;margin-left:2px;color:var(--blue-primary)}@keyframes blink-cursor{0%,100%{opacity:1}50%{opacity:0}}.card-3d{transform-style:preserve-3d;transition:transform 0.5s ease}.card-3d:hover{transform:perspective(1000px) rotateX(5deg) rotateY(-5deg) translateZ(20px)}.card-3d::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgb(255 255 255 / .1) 0%,transparent 50%,rgb(0 0 0 / .1) 100%);pointer-events:none;opacity:0;transition:opacity 0.3s ease}.card-3d:hover::before{opacity:1}.animated-grid{background-image:linear-gradient(rgb(30 74 143 / .05) 1px,transparent 1px),linear-gradient(90deg,rgb(30 74 143 / .05) 1px,transparent 1px);background-size:50px 50px;animation:grid-move 20s linear infinite}@keyframes grid-move{0%{background-position:0 0,0 0}100%{background-position:50px 50px,50px 50px}}.counter-animate{display:inline-block;font-family:var(--font-mono);font-variant-numeric:tabular-nums}@media (max-width:900px){.floating-objects,.north-arrow,.pencil-trail,.magic-particles,.floating-dimension{display:none!important}.projet-card::before,.projet-card::after{display:none}body::before{display:none}.blueprint-reveal::before{display:none}.page-flip-overlay{display:none!important}body.page-loaded{animation:none}}