/* (c) 2026 K2 Physics, k2physics.com. All rights reserved. Copying, reuse or redistribution of this code is not permitted. */
html{scroll-behavior:smooth}body,html{margin:0;padding:0;width:100%;font-family:Inter,sans-serif;background-color:#000;color:#fff;overflow-x:hidden;overflow-x:clip}#bg-slider{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:1;background-color:#000}.bg-slide{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:center;opacity:0;transition:opacity 2s ease-in-out,transform 15s linear;transform:scale(1)}.bg-slide.active{opacity:.6;transform:scale(1.08)}#equation-canvas{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:2;opacity:.7;pointer-events:none}nav{display:flex;justify-content:space-between;align-items:center;padding:20px 50px;position:absolute;top:0;left:0;width:100%;box-sizing:border-box;z-index:30;background:linear-gradient(to bottom,#000000e6,#0000)}.nav-logo{font-weight:800;font-size:1.6rem;letter-spacing:.5px;color:#fff;text-decoration:none}.nav-logo span{color:#3498db}.nav-links{display:flex;gap:36px;font-size:1.1rem;font-weight:700;letter-spacing:.5px}.nav-links a{color:#fff;text-decoration:none;transition:color .2s}.nav-links a:hover{color:#3498db}.mobile-only{display:none}.dropdown{position:relative;display:inline-block;padding-bottom:10px;margin-bottom:-10px}.dropdown-content{display:none;position:absolute;background-color:#0f0f0ff2;backdrop-filter:blur(10px);min-width:260px;box-shadow:0 8px 16px #000c;z-index:1;border-radius:4px;top:100%;left:0;border:1px solid #333;overflow:hidden}.dropdown-content a{color:#fff;padding:14px 20px;text-decoration:none;display:block;font-size:1rem;font-weight:600}.dropdown-content a:hover{background-color:#3498db;color:#fff}.dropdown:hover .dropdown-content,.dropdown:focus-within .dropdown-content{display:block}.nav-right{display:flex;align-items:center;gap:20px;font-size:.85rem;font-weight:600}.btn-nav{background:#fff;color:#000;padding:14px 28px;text-decoration:none;font-weight:800;border-radius:6px;transition:background .2s;border:none;cursor:pointer;font-family:Inter,sans-serif;font-size:1.05rem}.btn-nav:hover{background:#e0e0e0}header{position:relative;height:100vh;width:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;z-index:10}.hero-content{padding:0 20px}.hero-content h1{font-size:5rem;font-weight:800;letter-spacing:-2px;margin:0 0 20px;line-height:1.1;text-shadow:0 4px 20px rgba(0,0,0,.8)}.hero-content p{font-size:1.2rem;color:#e0e0e0;margin:0 auto 40px;max-width:640px;line-height:1.5;text-shadow:0 2px 10px rgba(0,0,0,.8)}.hero-content p strong{color:#fff}.hero-buttons{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}.btn-main{display:inline-block;text-decoration:none;background:#3498db;color:#fff;border:none;padding:18px 40px;font-size:1.1rem;font-weight:700;letter-spacing:1px;cursor:pointer;border-radius:4px;transition:transform .2s,background .2s;box-shadow:0 4px 15px #3498db66}.btn-main:hover{transform:scale(1.05);background:#2980b9}.btn-outline{display:inline-block;text-decoration:none;background:#00000059;color:#fff;border:2px solid #fff;padding:16px 36px;font-size:1.1rem;font-weight:700;letter-spacing:1px;border-radius:4px;transition:transform .2s,background .2s}.btn-outline:hover{transform:scale(1.05);background:#ffffff1a}section{padding:80px 50px;max-width:1200px;margin:0 auto;position:relative;z-index:10;scroll-margin-top:20px}.section-header{margin-bottom:50px;text-align:center}.section-header h2{font-size:2.5rem;margin:0 0 10px;font-weight:800;letter-spacing:-1px;text-shadow:0 2px 10px rgba(0,0,0,.8)}.section-header p{color:#bdc3c7;font-size:1.1rem;margin:0;text-shadow:0 2px 10px rgba(0,0,0,.8)}.grid-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.card{background:#0f1115a6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:30px;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;text-decoration:none;color:#fff;display:flex;flex-direction:column;box-shadow:0 10px 30px #00000080;cursor:pointer;scroll-margin-top:30px}.card:hover,.card:focus-visible{transform:translateY(-8px);border-color:#3498db;box-shadow:0 15px 40px #000c;outline:none}.card-tag{font-size:.75rem;text-transform:uppercase;letter-spacing:2px;font-weight:700;margin-bottom:15px;color:#3498db}.card h3{font-size:1.8rem;margin:0 0 15px;font-weight:800;line-height:1.2}.card p{font-size:.95rem;line-height:1.6;color:#bdc3c7;margin:0 0 25px;flex-grow:1}.card-footer{font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:1px;color:#fff;transition:color .2s}.card:hover .card-footer{color:#3498db}.badge-soon{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;background:#f1c40f26;color:#f1c40f;border:1px solid rgba(241,196,15,.4);padding:3px 8px;border-radius:20px;margin-left:8px;vertical-align:middle}footer{background:#050505d9;backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.1);padding:60px 50px;font-size:.9rem;color:#8a8d98;position:relative;z-index:10}.footer-content{display:flex;justify-content:space-between;flex-wrap:wrap;max-width:1200px;margin:0 auto;gap:40px}.footer-col{flex:1;min-width:200px}.footer-col h4{color:#fff;font-size:1.1rem;margin:0 0 20px;font-weight:700}.footer-col p{margin:0 0 10px;line-height:1.6}.footer-col a{color:#8a8d98;text-decoration:none;transition:color .2s;display:block;margin-bottom:10px}.footer-col a:hover{color:#3498db}.footer-col p a{display:inline;margin:0}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;text-align:center;font-size:.8rem;max-width:1200px;margin-left:auto;margin-right:auto}.floating-founder-btn{position:absolute;top:115px;right:30px;background:linear-gradient(135deg,#3498db,#9b59b6);color:#fff;padding:10px 20px;border-radius:30px;text-decoration:none;font-weight:700;font-size:.9rem;box-shadow:0 4px 15px #0006;transition:transform .3s ease;z-index:100}.floating-founder-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0009}.wa-float{position:fixed;right:24px;bottom:24px;width:60px;height:60px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px #00000080;z-index:200;transition:transform .2s ease}.wa-float:hover{transform:scale(1.08)}.wa-float svg{width:32px;height:32px;fill:#fff}.founder-grid{display:flex;flex-wrap:wrap;gap:40px;justify-content:center;margin-top:30px}.founder-card{flex:1;min-width:280px;background:#0f1115a6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:40px 30px;text-align:center}.founder-img{width:160px;height:160px;border-radius:50%;object-fit:cover;border:4px solid #3498db;margin-bottom:20px;background-color:#2c3e50}.hero-chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:-18px 0 32px}.hero-chips span{background:#2ecc7124;border:1px solid rgba(46,204,113,.45);color:#d5f5e3;font-size:.85rem;font-weight:600;padding:6px 14px;border-radius:30px;backdrop-filter:blur(6px)}.hero-content p.hero-sub-link{margin:26px auto 0;font-size:.98rem;color:#bdc3c7}.hero-sub-link a{color:#fff;font-weight:700;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.4)}.hero-sub-link a:hover{color:#3498db;border-color:#3498db}.bridge-box{text-align:center;background:linear-gradient(135deg,#3498db2e,#9b59b62e);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:50px 30px}.bridge-box h2{font-size:2.1rem;margin:0 0 14px;font-weight:800;letter-spacing:-.5px;line-height:1.2}.bridge-box p{color:#d5d8dc;font-size:1.05rem;margin:0 auto 28px;max-width:640px;line-height:1.6}.fees-group-title{font-size:1.1rem;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:#fff;margin:50px 0 8px;text-shadow:0 2px 10px rgba(0,0,0,.8)}.section-header+.fees-group-title{margin-top:0}.fees-group-sub{color:#bdc3c7;font-size:.95rem;margin:0 0 22px;text-shadow:0 2px 10px rgba(0,0,0,.8)}.fee-card{cursor:default}.fee-card:hover{transform:none}.fee-card .prog-name{font-size:.8rem;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:#8a8d98;margin:-8px 0 12px}.fee-card h3{font-size:1.45rem;margin-bottom:14px}.price{display:flex;align-items:baseline;gap:6px;margin:4px 0}.price .amount{font-size:2.4rem;font-weight:800;letter-spacing:-1px;color:#fff}.price .per{color:#bdc3c7;font-size:.95rem;font-weight:600}.price-alt{color:#8a8d98;font-size:.85rem;margin:0 0 16px;min-height:1.2em}.fee-list{list-style:none;padding:0;margin:0 0 24px;flex-grow:1}.fee-list li{position:relative;padding-left:22px;margin-bottom:9px;font-size:.92rem;line-height:1.5;color:#d5d8dc}.fee-list li:before{content:"✓";position:absolute;left:0;top:0;color:#2ecc71;font-weight:800}.btn-book{display:block;text-align:center;text-decoration:none;background:#3498db;color:#fff;font-weight:700;letter-spacing:.5px;padding:13px 18px;border-radius:6px;transition:background .2s,transform .2s}.btn-book:hover{background:#2980b9;transform:translateY(-2px)}.popular-badge{position:absolute;top:-12px;right:20px;background:linear-gradient(135deg,#2ecc71,#16a085);color:#fff;font-size:.7rem;font-weight:800;letter-spacing:1px;text-transform:uppercase;padding:5px 10px;border-radius:20px;box-shadow:0 4px 12px #0006}.fee-card{position:relative}.discount-box{margin-top:60px;background:#0f1115bf;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(241,196,15,.35);border-radius:12px;padding:34px 30px}.discount-box h3{margin:0 0 6px;font-size:1.6rem;font-weight:800}.discount-box>p{margin:0 0 24px;color:#bdc3c7}.discount-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px}.discount-item{background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:18px}.discount-item .off{font-size:1.6rem;font-weight:800;color:#f1c40f}.discount-item .what{font-weight:700;margin:4px 0 6px}.discount-item .how{font-size:.88rem;color:#bdc3c7;line-height:1.5}.fees-note{margin-top:26px;font-size:.85rem;color:#8a8d98;line-height:1.6}.contact-note{text-align:center;margin-top:30px;color:#bdc3c7;font-size:.95rem;text-shadow:0 2px 10px rgba(0,0,0,.8)}.contact-note a{color:#3498db;text-decoration:none;font-weight:700}.wa-float.hidden{display:none}@media(max-width:1150px)and (min-width:901px){nav{padding:20px 30px}.nav-links{gap:24px;font-size:1rem}.nav-logo{font-size:1.35rem}}@media(max-width:900px){.hero-content h1{font-size:3.2rem;letter-spacing:-1px}.hero-content p{font-size:1.05rem}nav{padding:20px;flex-direction:column;gap:15px;background:#000000f2}.nav-links,.nav-right{flex-wrap:wrap;justify-content:center;gap:12px 22px}.nav-links{font-size:1.05rem}.nav-logo{font-size:1.35rem}.btn-nav{padding:12px 24px;font-size:1rem}.mobile-only{display:inline-block}header{height:auto;min-height:100vh;padding:260px 0 60px;box-sizing:border-box}.floating-founder-btn{display:none}section,footer{padding:50px 20px}.section-header h2{font-size:2rem}.grid-container{grid-template-columns:1fr}.btn-main,.btn-outline{padding:15px 28px;font-size:1rem}.wa-float{right:16px;bottom:16px;width:54px;height:54px}.bridge-box h2{font-size:1.6rem}.bridge-box{padding:36px 20px}}
