:root{--bg:#ffffff;--panel:#ffffff;--text:#0f172a;--muted:#475569;--brand:#0F766E;--brand-2:#14b8a6;--card:#ffffff;--border:#e2e8f0}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:var(--bg);color:var(--text);line-height:1.6}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:10;background:#ffffff;border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;gap:10px;align-items:center}
.brand-icon{width:28px;height:28px;filter:drop-shadow(0 1px 4px rgba(15,118,110,.25));transition:filter .12s ease}
.brand-icon:hover{filter:drop-shadow(0 2px 8px rgba(15,118,110,.4))}
.brand-name{font-weight:700;letter-spacing:.2px}
.nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.nav-toggle{display:none;background:transparent;border:none;border-radius:8px;padding:8px;cursor:pointer;transition:background-color .12s ease}
.nav-toggle:hover{background-color:rgba(20,184,166,.08)}
.nav-toggle svg{display:block;width:20px;height:20px}
.nav-items{display:flex;gap:14px;align-items:center}
.nav-link{color:var(--text);text-decoration:none;opacity:.9;padding:6px 8px;border-radius:8px;transition:color .12s ease, opacity .12s ease, background-color .12s ease}
.nav-link:hover{opacity:1;color:var(--brand);background-color:rgba(20,184,166,.08)}
.lang-select{background:transparent;border:1px solid var(--border);color:var(--text);padding:6px 10px;border-radius:8px;transition:border-color .12s ease, box-shadow .12s ease}
.lang-select{background:transparent;border:1px solid var(--border);color:var(--text);padding:6px 10px;border-radius:8px;transition:border-color .12s ease, box-shadow .12s ease}
.lang-select:hover{border-color:var(--brand-2)}
.lang-select:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 2px rgba(20,184,166,.25)}
.play-badge-link{display:inline-flex;align-items:center}
.play-badge{height:32px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.icon{width:18px;height:18px}
.hero{background:linear-gradient(180deg,rgba(20,184,166,.08),rgba(255,255,255,0) 60%);border-bottom:1px solid var(--border)}
.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;padding:56px 0}
.hero-title{font-size:42px;line-height:1.2;margin:0 0 12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-tagline{color:var(--muted);margin:0 0 16px}
.hero-actions{display:flex;gap:12px}
.btn{display:inline-flex;gap:8px;align-items:center;padding:10px 14px;border-radius:10px;border:1px solid var(--border);color:var(--text);text-decoration:none;transition:transform .12s ease, box-shadow .12s ease, border-color .12s ease, filter .12s ease}
.btn.primary{background:linear-gradient(90deg,var(--brand),var(--brand-2));border:0}
.btn.play{background:linear-gradient(90deg,#1f2937,#3ddc84);color:#fff;border:0}
.btn.play:hover{opacity:.95;filter:brightness(1.06)}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.12);border-color:var(--brand-2)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(20,184,166,.35)}
/* Play badge now replaces .btn.play */
.hero-art-img{width:100%;max-width:280px;filter:drop-shadow(0 10px 24px rgba(0,0,0,.35))}
.section{padding:48px 0}
.section{scroll-margin-top:72px}
.section.alt{background:linear-gradient(180deg,transparent,rgba(20,184,166,.06))}
.section-title{margin:0 0 18px;font-size:26px}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.feature{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}
.feature-icon{font-size:22px;color:var(--brand-2)}
.feature-icon{width:28px;height:28px;color:var(--brand-2)}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.usecases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.usecase{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}
.usecase h3{margin:8px 0 6px}
.usecase p{color:var(--muted);margin:0}
.shot{margin:0;overflow:hidden;border-radius:12px}
.shot img{width:100%;height:auto;border:1px solid var(--border);border-radius:12px;display:block;background:#fff;transform:scale(0.92);transition:transform .3s ease,box-shadow .3s ease;cursor:zoom-in}
.shot:hover img{transform:scale(1);box-shadow:0 12px 32px rgba(0,0,0,.2)}
.shot figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center}
.download-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;gap:14px}
.card-icon{font-size:26px;color:var(--brand-2);padding-top:4px}
.site-footer{border-top:1px solid var(--border);padding:32px 0;background:linear-gradient(180deg,#f8fafc,#ffffff)}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:16px}
.footer-brand{display:flex;gap:12px;align-items:center}
.footer-brand .brand-icon{width:32px;height:32px;filter:drop-shadow(0 2px 8px rgba(15,118,110,.3))}
.footer-brand .brand-name{font-weight:600;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-links{display:flex;gap:16px;align-items:center}
.footer-links a{color:var(--muted);text-decoration:none;padding:6px 10px;border-radius:8px;transition:color .12s ease, background-color .12s ease}
.footer-links a:hover{color:var(--brand);background-color:rgba(20,184,166,.08)}
.footer-copy{color:var(--muted);font-size:14px;opacity:.85}
@media (max-width: 980px){
  .nav-toggle{display:inline-flex}
  .nav-items{position:fixed;top:0;right:-100%;width:280px;max-width:85vw;height:100vh;background:var(--bg);box-shadow:-4px 0 24px rgba(0,0,0,.15);padding:72px 24px 24px;flex-direction:column;align-items:flex-start;gap:12px;transition:right .3s ease;z-index:9}
  .nav-items.open{right:0}
  .nav-items .nav-link{width:100%;padding:10px 12px;font-size:16px}
  .nav-items .lang-select{width:100%;padding:10px 12px}
  .hero-inner{grid-template-columns:1fr;padding:48px 0 40px;text-align:center}
  .hero-art{display:none}
  .hero-title{font-size:32px;margin-bottom:10px}
  .hero-tagline{font-size:16px;margin-bottom:20px}
  .hero-actions{justify-content:center}
  .header-inner{flex-direction:row;align-items:center;gap:10px}
  .download-cards{grid-template-columns:1fr}
}
@media (max-width: 560px){
  .hero-inner{padding:36px 0 32px}
  .hero-title{font-size:28px;margin-bottom:8px}
  .hero-tagline{font-size:15px;margin-bottom:18px}
  .hero-actions{flex-direction:column;align-items:stretch;gap:10px;max-width:320px;margin:0 auto}
  .btn{padding:12px 16px;width:100%;justify-content:center}
}