.product-hero{padding:140px 64px 100px;display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;max-width:1360px;margin:0 auto}.product-badge{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);background:#fd823e14;border:1px solid rgba(253,130,62,.22);padding:5px 12px;border-radius:100px;margin-bottom:28px}.product-hero h1{font-family:Playfair Display,Georgia,serif;font-size:58px;font-weight:400;line-height:1.06;letter-spacing:-1.5px;color:var(--primary);margin-bottom:22px}.product-hero h1 em{font-style:italic;color:var(--accent)}.product-hero-sub{font-size:16px;font-weight:300;line-height:1.72;color:var(--muted);max-width:440px;margin-bottom:36px}.hero-actions{display:flex;align-items:center;gap:12px;margin-bottom:40px}.product-hero .btn-primary{font-size:14px;font-weight:500;color:#fff;background:var(--primary);padding:12px 28px;border-radius:9px;text-decoration:none;border:1.5px solid var(--primary);transition:background .18s;letter-spacing:.01em}.product-hero .btn-primary:hover{background:#3a3a3b}.product-hero .btn-outline{font-size:14px;font-weight:400;color:var(--primary);background:transparent;padding:11px 26px;border-radius:9px;text-decoration:none;border:1.5px solid var(--border);transition:border-color .18s,background .18s}.product-hero .btn-outline:hover{border-color:#2626274d;background:#26262708}.hero-integrations{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.hero-integrations-label{font-size:12px;color:var(--muted)}.integration-pill{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:500;color:var(--primary);background:#fff;border:1px solid var(--border);padding:4px 10px;border-radius:100px;box-shadow:var(--shadow-xs)}.product-hero-visual{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg)}.product-hero-visual img{width:100%;height:auto;display:block}.bt-section{padding:96px 64px;background:var(--bg)}.bt-inner{max-width:1360px;margin:0 auto}.bt-header{display:flex;align-items:flex-end;justify-content:space-between;gap:48px;margin-bottom:52px}.bt-header h2{font-family:Playfair Display,Georgia,serif;font-size:50px;font-weight:400;line-height:1.08;letter-spacing:-1.2px;color:var(--primary);max-width:500px;margin-bottom:0}.bt-header h2 em{font-style:italic;color:var(--accent)}.bt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media(max-width:1024px){.product-hero{padding:110px 32px 80px;gap:48px}.product-hero h1{font-size:46px}.bt-section{padding:80px 32px}.bt-grid{grid-template-columns:repeat(2,1fr)}.bt-header{flex-direction:column;align-items:flex-start;gap:20px}.bt-header h2{font-size:36px}}@media(max-width:768px){.product-hero{grid-template-columns:1fr;padding:88px 20px 64px}.product-hero h1{font-size:36px;letter-spacing:-1px}.product-hero-sub{max-width:100%}.hero-actions{flex-direction:column;width:100%;gap:10px}.product-hero .btn-primary,.product-hero .btn-outline{width:100%;text-align:center;padding:14px 20px;font-size:15px}.product-hero-visual .ui-placeholder{min-height:260px}.bt-section{padding:64px 20px}.bt-grid{grid-template-columns:1fr}.bt-header{gap:16px}.bt-header h2{font-size:30px}}.bitchat-architecture{padding:96px 64px;background:#faf8f5}.arch-inner{max-width:1360px;margin:0 auto}.arch-header{margin-bottom:60px;max-width:800px}.arch-header h2{font-family:Playfair Display,Georgia,serif;font-size:50px;font-weight:400;line-height:1.08;letter-spacing:-1.2px;color:var(--primary);margin-bottom:20px}.arch-header h2 em{font-style:normal;color:var(--primary)}.arch-description{font-size:16px;font-weight:300;line-height:1.7;color:var(--muted)}.arch-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.arch-card{background:#fff;border:1px solid rgba(38,38,39,.08);border-radius:12px;padding:32px 28px;display:flex;flex-direction:column;gap:16px;transition:border-color .3s,box-shadow .3s}.arch-card:hover{border-color:#26262726;box-shadow:0 4px 20px #2626270f}.arch-card-label{font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#ff8c00;background:#ff8c0014;border:1px solid rgba(255,140,0,.18);padding:4px 10px;border-radius:6px;width:fit-content}.arch-card-name{font-size:16px;font-weight:600;color:var(--primary);letter-spacing:-.15px;line-height:1.4}.arch-card-desc{font-size:14px;font-weight:300;color:var(--muted);line-height:1.65}@media(max-width:1200px){.arch-grid{grid-template-columns:repeat(2,1fr);gap:20px}}@media(max-width:1024px){.bitchat-architecture{padding:80px 32px}.arch-header{margin-bottom:48px}.arch-header h2{font-size:36px}.arch-grid{gap:16px}.arch-card{padding:28px 24px}}@media(max-width:768px){.bitchat-architecture{padding:64px 20px}.arch-header{margin-bottom:40px}.arch-header h2{font-size:30px}.arch-grid{grid-template-columns:1fr;gap:12px}.arch-card{padding:24px 20px;gap:12px}.arch-card-name{font-size:15px}.arch-card-desc{font-size:13.5px}}