:root{--ks-bg: #f8fafc;--ks-bg-alt: #ffffff;--ks-text: #0f172a;--ks-text-muted: #64748b;--ks-accent: #3b82f6;--ks-accent-hover: #2563eb;--ks-accent-gradient: var(--page-gradient, linear-gradient(135deg, #3b82f6, #8b5cf6));--ks-accent-purple: #8b5cf6;--ks-accent-teal: #14b8a6;--ks-card-bg: rgba(255, 255, 255, .85);--ks-card-border: rgba(148, 163, 184, .2);--ks-card-hover-border: rgba(59, 130, 246, .4);--ks-card-shadow: 0 4px 20px rgba(0, 0, 0, .04);--ks-card-shadow-hover: 0 10px 30px rgba(59, 130, 246, .12);--ks-radius: 16px;--ks-font: "Plus Jakarta Sans", system-ui, sans-serif}body{margin:0;background-color:var(--ks-bg);color:var(--ks-text);font-family:var(--ks-font);min-height:100vh;-webkit-font-smoothing:antialiased;position:relative}body:before{content:"";position:fixed;inset:0;z-index:-3;background-image:url(/KokoStackflow/images/paris_bg.jpg);background-size:cover;background-position:center;opacity:.04;filter:grayscale(1) blur(1px);pointer-events:none}.koko-wrapper:before{content:"";position:fixed;inset:-100px;z-index:-2;background-image:radial-gradient(#cbd5e1 2px,transparent 2px);background-size:40px 40px;animation:moveDots 15s linear infinite;pointer-events:none}.koko-wrapper:after{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at 10% 20%,rgba(59,130,246,.08) 0%,transparent 45%),radial-gradient(circle at 90% 80%,rgba(244,63,94,.06) 0%,transparent 45%),radial-gradient(circle at 50% 50%,rgba(139,92,246,.05) 0%,transparent 55%);pointer-events:none}@keyframes moveDots{0%{transform:translate(0)}to{transform:translate(-80px,-80px)}}#antigravity-canvas{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-3}a{color:inherit;text-decoration:none}*{box-sizing:border-box}.koko-wrapper{max-width:1600px;width:95%;margin:0 auto;padding:40px 24px;display:flex;flex-direction:column;min-height:100vh;position:relative;z-index:1}.koko-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:#ffffffd9;backdrop-filter:blur(16px) saturate(1.8);border:1px solid var(--ks-card-border);border-radius:var(--ks-radius);margin-bottom:40px;box-shadow:0 4px 20px #00000008;position:sticky;top:20px;z-index:50;animation:slideDownFade .8s cubic-bezier(.16,1,.3,1)}@keyframes slideDownFade{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.koko-header .brand{display:flex;align-items:center;gap:12px;transition:transform .2s}.koko-header .brand:hover{transform:translateY(-1px)}.brand-icon{width:32px;height:32px;background:var(--ks-accent-gradient);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 19.5v-15A2.5 2.5 0 0 1 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cubic-bezier(.4,0,.2,1);transform:translate(-50%)}.nav-link:hover{color:var(--ks-accent)}.nav-link:hover:after{width:100%}.back-portfolio{padding:8px 18px;background:var(--ks-bg-alt);border-radius:100px;border:1px solid var(--ks-card-border);font-size:.9rem;font-weight:600;color:var(--ks-text);box-shadow:0 2px 8px #00000008;transition:all .2s;display:flex;align-items:center;gap:6px}.back-portfolio:hover{border-color:var(--ks-card-hover-border);transform:translateY(-1px);box-shadow:0 4px 12px #3b82f61a}.koko-main{flex:1}.page-title{font-size:3.5rem;font-weight:900;margin:0 auto 16px;letter-spacing:-.03em;background:var(--ks-accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:block;text-align:center}.typing-cursor{display:inline-block;width:4px;height:.9em;background-color:var(--ks-accent);margin-left:6px;vertical-align:text-bottom;box-shadow:0 0 10px #3b82f680;border-radius:2px}.infinite-blink{animation:ks-blink 1s step-end infinite}@keyframes ks-blink{0%,to{opacity:1}50%{opacity:0}}.subtitle{color:var(--ks-text-muted);font-size:1.35rem;margin:0 auto 56px;line-height:1.6;max-width:800px;text-align:center}.section-title{font-size:1.8rem;font-weight:700;margin:56px 0 32px;color:var(--ks-text);display:flex;align-items:center;justify-content:center;text-align:center;gap:16px}.section-title:before,.section-title:after{content:"";flex:1;height:1px}.section-title:before{background:linear-gradient(-90deg,var(--ks-card-border),transparent)}.section-title:after{background:linear-gradient(90deg,var(--ks-card-border),transparent)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}.card{background:var(--ks-card-bg);border:1px solid var(--ks-card-border);border-radius:var(--ks-radius);padding:24px 28px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;position:relative;overflow:hidden;box-shadow:var(--ks-card-shadow);backdrop-filter:blur(10px);align-items:center;text-align:center;opacity:0;animation:slideUpFade .6s cubic-bezier(.16,1,.3,1) forwards}@keyframes slideUpFade{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.card:nth-child(1){animation-delay:.05s}.card:nth-child(2){animation-delay:.15s}.card:nth-child(3){animation-delay:.25s}.card:nth-child(4){animation-delay:.35s}.card:nth-child(5){animation-delay:.45s}.card:nth-child(6){animation-delay:.55s}.card:nth-child(7){animation-delay:.65s}.card:nth-child(5n+1){--local-accent: #3b82f6;--local-shadow: rgba(59, 130, 246, .25);--local-bg: linear-gradient(135deg, #3b82f6, #60efff)}.card:nth-child(5n+2){--local-accent: #ec4899;--local-shadow: rgba(236, 72, 153, .25);--local-bg: linear-gradient(135deg, #ec4899, #f43f5e)}.card:nth-child(5n+3){--local-accent: #10b981;--local-shadow: rgba(16, 185, 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saturate(1.1)}.card-image-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.8) 0%,transparent 80%);z-index:1}.card-image-bg>*{position:relative;z-index:2}.card-image-bg h3{color:#fff!important;font-size:2rem!important;margin-bottom:12px!important;text-shadow:0 4px 8px rgba(0,0,0,.4)}.card-image-bg p{color:#ffffffe6!important;text-shadow:0 1px 2px rgba(0,0,0,.3)}.card-uah:before{background-image:url(/KokoStackflow/images/alcalaCard.jpg)}.card-saclay:before{background-image:url(/KokoStackflow/images/parisCard.png)}.card h3{margin:0 0 16px;font-size:1.5rem;font-weight:800;color:var(--local-accent, var(--ks-text));display:flex;align-items:center;justify-content:center;gap:12px}.card p{margin:0;color:var(--ks-text-muted);font-size:1.05rem;line-height:1.6}.card-icon{width:24px;height:24px;color:var(--local-accent, var(--ks-accent))}.btn-get,.btn-preview,.download-btn,.action-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;background:var(--local-bg, var(--ks-accent-gradient));color:#fff!important;border-radius:10px;font-size:.9rem;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1);cursor:pointer;border:none;box-shadow:0 4px 12px var(--local-shadow, rgba(59, 130, 246, .25));gap:8px}.btn-get:hover,.download-btn:hover,.action-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px var(--local-shadow, rgba(59, 130, 246, .35));filter:brightness(1.1)}.btn-preview{background:var(--ks-bg-alt);border:1px solid var(--ks-card-border);color:var(--ks-text)!important;box-shadow:0 2px 8px #00000005}.btn-preview:hover{background:#f1f5f9;border-color:#cbd5e1;transform:translateY(-2px);box-shadow:0 4px 12px #0000000f}.back-btn{display:inline-flex;margin:0 auto 32px;color:var(--ks-text-muted);font-weight:600;align-items:center;justify-content:center;gap:8px;font-size:1.05rem;padding:10px 20px;background:var(--ks-card-bg);border-radius:100px;border:1px solid var(--ks-card-border);transition:all .2s;box-shadow:var(--ks-card-shadow)}.back-btn svg{width:20px;height:20px;stroke:currentColor}.back-btn:hover{color:var(--ks-accent);border-color:var(--ks-card-hover-border);transform:translate(-4px)}.list{display:flex;flex-direction:column;gap:14px}.item{display:flex;align-items:center;padding:14px 20px;background:var(--ks-card-bg);border:1px solid var(--ks-card-border);border-radius:var(--ks-radius);transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 10px #00000005;opacity:0;animation:slideUpFade .5s cubic-bezier(.16,1,.3,1) 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