:root{--primary: oklch(.544 .169 31.3);--primary-hover: oklch(.46 .155 31.3);--accent: oklch(.68 .14 72);--bg: oklch(1 0 0);--surface: oklch(.97 0 0);--border: oklch(.905 0 0);--ink: oklch(.145 .012 31.3);--muted: oklch(.42 .008 31.3);--font: "Libre Franklin", sans-serif;--s-4: 4px;--s-8: 8px;--s-12: 12px;--s-16: 16px;--s-24: 24px;--s-32: 32px;--s-48: 48px;--s-64: 64px;--s-96: 96px;--s-128: 128px;--ease: cubic-bezier(.16, 1, .3, 1);--duration: .2s;--radius: 10px;--radius-sm: 6px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column;min-height:100vh}h1,h2,h3{font-weight:700;line-height:1.15;text-wrap:balance;letter-spacing:-.02em}p{color:var(--muted);text-wrap:pretty;max-width:65ch}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.container{width:100%;max-width:1080px;margin:0 auto;padding:0 var(--s-24)}.header{position:sticky;top:0;z-index:100;background:#ffffffeb;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.header .container{display:flex;justify-content:flex-start;align-items:center;height:80px}.logo{height:78px;width:auto;object-fit:contain}.nav{display:flex;gap:var(--s-4)}.nav-link{font-size:.875rem;font-weight:500;color:var(--muted);padding:var(--s-8) var(--s-12);border-radius:var(--radius-sm);transition:color var(--duration) var(--ease),background var(--duration) var(--ease)}.nav-link:hover,.nav-link.active{color:var(--ink);background:var(--surface)}.hero{padding:var(--s-96) 0 var(--s-64);border-bottom:1px solid var(--border)}.hero .container{max-width:720px}.hero-title{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;color:var(--ink);letter-spacing:-.03em;margin-bottom:var(--s-16)}.hero-title span{color:var(--primary)}.hero-description{font-size:1.125rem;line-height:1.7;color:var(--muted);margin-bottom:var(--s-24)}.hero-support{font-size:.95rem;color:var(--ink);line-height:1.6;background:var(--surface);border-left:4px solid var(--primary);padding:var(--s-16) var(--s-20);border-radius:4px;margin-top:var(--s-32);display:flex;align-items:flex-start;gap:var(--s-12)}.hero-support .support-icon{flex-shrink:0;color:var(--primary);margin-top:2px}.hero-support a{color:var(--primary);font-weight:600;transition:color var(--duration) var(--ease)}.hero-support a:hover{color:var(--primary-hover)}.hero-cta{display:inline-flex;align-items:center;gap:var(--s-8);padding:14px 24px;background:var(--primary);color:#fff;font-family:var(--font);font-size:.9rem;font-weight:600;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--duration) var(--ease),transform var(--duration) var(--ease)}.hero-cta:hover{background:var(--primary-hover);transform:translateY(-1px)}.hero-cta:active{transform:translateY(0)}.hero-cta svg{width:16px;height:16px;fill:currentColor}.video-section{padding:var(--s-96) 0}.section-title{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;letter-spacing:-.02em;margin-bottom:var(--s-8)}.section-description{margin-bottom:var(--s-48)}.video-grid{display:flex;flex-direction:column;gap:0}.video-card{display:grid;grid-template-columns:360px 1fr;gap:var(--s-32);align-items:start;padding:var(--s-32) 0;border-top:1px solid var(--border);transition:background var(--duration) var(--ease)}.video-card:last-child{border-bottom:1px solid var(--border)}.thumbnail-container{position:relative;width:100%;aspect-ratio:16 / 9;background:var(--surface);overflow:hidden;border-radius:var(--radius);cursor:pointer}.thumbnail-img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}.thumbnail-container:hover .thumbnail-img{transform:scale(1.04)}.thumbnail-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;justify-content:center;align-items:center;background:var(--surface);color:var(--muted)}.play-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;justify-content:center;align-items:center;background:#00000026;opacity:0;transition:opacity var(--duration) var(--ease)}.thumbnail-container:hover .play-overlay{opacity:1}.play-button-icon{width:52px;height:52px;background:#fff;border-radius:50%;display:flex;justify-content:center;align-items:center;box-shadow:0 2px 8px #0000001f;transition:transform var(--duration) var(--ease)}.play-button-icon svg{width:20px;height:20px;fill:var(--primary);transform:translate(1px)}.thumbnail-container:hover .play-button-icon{transform:scale(1.08)}.video-info{display:flex;flex-direction:column;gap:var(--s-8);padding-top:var(--s-4)}.video-category{font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--primary)}.video-title{font-size:1.25rem;font-weight:700;color:var(--ink);cursor:pointer;transition:color var(--duration) var(--ease);line-height:1.3}.video-title:hover{color:var(--primary)}.video-desc{font-size:.95rem;line-height:1.65;color:var(--muted);max-width:50ch}.video-skeleton{height:120px;border-top:1px solid var(--border);position:relative;overflow:hidden}.video-skeleton:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,oklch(1 0 0 / .4),transparent);animation:shimmer 1.5s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.footer{margin-top:auto;border-top:1px solid var(--border);padding:var(--s-32) 0}.footer-content{display:flex;justify-content:space-between;align-items:center;gap:var(--s-24)}.footer-content p{font-size:.85rem}.footer-support{color:var(--muted)}.footer-support a{color:var(--primary);font-weight:500;transition:color var(--duration) var(--ease)}.footer-support a:hover{color:var(--primary-hover)}.footer-links{display:flex;gap:var(--s-24)}.footer-links a{font-size:.85rem;color:var(--muted);transition:color var(--duration) var(--ease)}.footer-links a:hover{color:var(--primary)}.modal{display:none;position:fixed;z-index:200;top:0;right:0;bottom:0;left:0;background:#000000b8;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);align-items:center;justify-content:center;padding:var(--s-24);opacity:0;transition:opacity .25s var(--ease)}.modal.active{display:flex;opacity:1}.modal-content{background:#fff;border-radius:var(--radius);width:100%;max-width:860px;position:relative;overflow:hidden;box-shadow:0 16px 48px #00000040;transform:scale(.95);transition:transform .3s var(--ease)}.modal.active .modal-content{transform:scale(1)}.close-modal{position:absolute;right:var(--s-12);top:var(--s-12);color:#fff;font-size:1.3rem;cursor:pointer;z-index:210;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:#0006;border-radius:50%;line-height:1;transition:background var(--duration) var(--ease)}.close-modal:hover{background:var(--primary)}.video-container{position:relative;width:100%;aspect-ratio:16 / 9}.video-container iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:none}#modal-title{padding:var(--s-16) var(--s-24);font-size:1rem;border-top:1px solid var(--border)}@media (max-width: 768px){.hero{padding:var(--s-64) 0 var(--s-48)}.video-card{grid-template-columns:1fr;gap:var(--s-16);padding:var(--s-24) 0}.footer-content{flex-direction:column;gap:var(--s-12);text-align:center}}@media (max-width: 480px){.header .container{height:56px}.logo{height:28px}.nav-link{font-size:.8rem;padding:var(--s-8)}}@media (prefers-reduced-motion: reduce){*,:before,:after{animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:0s!important;scroll-behavior:auto!important}}