/* CyriLiNa.IT product pages — shared stylesheet.
   Extracted verbatim from birdwatch.cyrilina.it so the two pages cannot
   drift apart. Served from cyrilina.it/shared/product.css and linked by
   every product page. */
/* The palette is NOT here. Each product page declares its own :root before
   loading this file — same structure, same spacing, same components, its own
   colours. Every rule below is shared by every CyriLiNa product page, so a fix
   to one is a fix to all of them. */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Outfit', sans-serif;
            background: var(--bg); color: var(--text);
            line-height: 1.6; overflow-x: hidden;
        }
        body::before {
            content: ''; position: fixed; inset: 0;
            background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
            pointer-events: none; z-index: 1000;
        }
        nav {
            position: fixed; top: 0; width: 100%; z-index: 100;
            background: rgba(13,17,23,0.85); backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border); padding: 0 2rem;
        }
        .nav-inner {
            max-width: 1100px; margin: 0 auto;
            display: flex; align-items: center; justify-content: space-between; height: 64px;
        }
        .nav-logo {
            display: flex; align-items: center; gap: 10px;
            font-weight: 600; font-size: 1.1rem; color: var(--text); text-decoration: none;
        }
        .nav-logo img { width: 32px; height: 32px; border-radius: 8px; }
        .nav-links { display: flex; gap: 2rem; align-items: center; }
        .nav-links a {
            color: var(--text-dim); text-decoration: none; font-size: 0.9rem;
            font-weight: 400; transition: color 0.2s;
        }
        .nav-links a:hover { color: var(--text); }
        .nav-cta {
            background: var(--blue) !important; color: #fff !important;
            padding: 8px 20px; border-radius: 8px; font-weight: 500; transition: opacity 0.2s;
        }
        .nav-cta:hover { opacity: 0.85; }
        .hero {
            min-height: 100vh; display: flex; align-items: center; justify-content: center;
            padding: 8rem 2rem 4rem; position: relative;
        }
        .hero::before {
            content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
            width: 800px; height: 800px;
            background: radial-gradient(circle, rgba(88,166,255,0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-content { max-width: 720px; text-align: center; position: relative; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 6px;
            background: var(--surface); border: 1px solid var(--border);
            padding: 6px 14px; border-radius: 100px;
            font-size: 0.8rem; color: var(--text-dim); margin-bottom: 2rem;
        }
        .hero-badge span { color: var(--green); }
        h1 {
            font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 700;
            line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 1.5rem;
        }
        h1 .highlight {
            background: linear-gradient(135deg, var(--blue), var(--teal));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
        }
        .hero-sub {
            font-size: 1.15rem; color: var(--text-dim);
            max-width: 560px; margin: 0 auto 2.5rem; font-weight: 300;
        }
        .hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
        .btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 14px 28px; border-radius: 12px;
            font-family: inherit; font-size: 1rem; font-weight: 500;
            text-decoration: none; transition: all 0.2s; cursor: pointer; border: none;
        }
        .btn-primary { background: var(--blue); color: #fff; }
        .btn-primary:hover { background: var(--blue-dim); transform: translateY(-1px); }
        .btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
        .btn-secondary:hover { border-color: var(--text-muted); }
        .btn svg { width: 20px; height: 20px; }
        .features { max-width: 1100px; margin: 0 auto; padding: 4rem 2rem 6rem; }
        .features-label {
            font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--blue);
            text-transform: uppercase; letter-spacing: 0.15em; margin-bottom: 0.75rem;
        }
        .features h2 { font-size: 2rem; font-weight: 600; margin-bottom: 3rem; letter-spacing: -0.02em; }
        .feature-grid {
            display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.25rem;
        }
        .feature-card {
            background: var(--surface); border: 1px solid var(--border);
            border-radius: 16px; padding: 2rem; transition: border-color 0.3s, transform 0.3s;
        }
        .feature-card:hover { border-color: var(--blue); transform: translateY(-2px); }
        .feature-card.highlight-card { border-color: var(--green); }
        .feature-card.highlight-card:hover { border-color: var(--teal); }
        .new-badge {
            display: inline-block; background: var(--green); color: #000; font-size: 0.65rem;
            font-weight: 700; padding: 2px 8px; border-radius: 4px; margin-left: 8px;
            vertical-align: middle; letter-spacing: 0.05em; text-transform: uppercase;
        }
        .feature-icon {
            width: 48px; height: 48px; border-radius: 12px;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.5rem; margin-bottom: 1.25rem;
        }
        .fi-blue { background: rgba(88,166,255,0.1); }
        .fi-green { background: rgba(63,185,80,0.1); }
        .fi-teal { background: rgba(63,185,177,0.1); }
        .fi-orange { background: rgba(210,153,34,0.1); }
        .fi-red { background: rgba(248,81,73,0.1); }
        .feature-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }
        .feature-card p { font-size: 0.9rem; color: var(--text-dim); line-height: 1.6; }
        .requirements { max-width: 1100px; margin: 0 auto; padding: 2rem 2rem 6rem; }
        .req-box {
            background: var(--surface); border: 1px solid var(--border);
            border-radius: 16px; padding: 2.5rem; margin-bottom: 1.5rem;
        }
        .req-box h2 { font-size: 1.5rem; margin-bottom: 1.5rem; }
        .req-box h3 { font-size: 1.1rem; margin-bottom: 1rem; color: var(--teal); }
        .req-list { list-style: none; }
        .req-list li {
            padding: 0.6rem 0; color: var(--text-dim); font-size: 0.95rem;
            border-bottom: 1px solid var(--border);
            display: flex; align-items: flex-start; gap: 10px;
        }
        .req-list li:last-child { border: none; }
        .req-list li::before { content: '\2192'; color: var(--blue); font-weight: 600; flex-shrink: 0; }
        .req-list code {
            font-family: 'JetBrains Mono', monospace;
            background: var(--card); padding: 2px 8px; border-radius: 4px; font-size: 0.85rem;
        }
        .req-tag {
            display: inline-block; font-size: 0.7rem; font-weight: 600; padding: 2px 6px;
            border-radius: 3px; vertical-align: middle; margin-left: 4px;
        }
        .tag-required { background: rgba(248,81,73,0.15); color: var(--red); }
        .tag-optional { background: rgba(63,185,80,0.15); color: var(--green); }
        .cta-section { padding: 6rem 2rem; text-align: center; position: relative; }
        .cta-section::before {
            content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
            width: 600px; height: 400px;
            background: radial-gradient(circle, rgba(63,185,177,0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 { font-size: 2rem; font-weight: 600; margin-bottom: 1rem; letter-spacing: -0.02em; }
        .cta-section p { color: var(--text-dim); margin-bottom: 2rem; font-size: 1.05rem; }
        .price-tag {
            display: inline-flex; align-items: baseline; gap: 6px;
            font-family: 'JetBrains Mono', monospace; margin-bottom: 2rem;
        }
        .price-tag .amount { font-size: 2.5rem; font-weight: 700; color: var(--green); }
        .price-tag .label { font-size: 0.9rem; color: var(--text-dim); }
        footer { border-top: 1px solid var(--border); padding: 2rem; text-align: center; }
        .footer-inner {
            max-width: 1100px; margin: 0 auto;
            display: flex; justify-content: space-between; align-items: center;
            flex-wrap: wrap; gap: 1rem;
        }
        .footer-inner a { color: var(--text-dim); text-decoration: none; font-size: 0.85rem; }
        .footer-inner a:hover { color: var(--text); }
        .footer-inner span { color: var(--text-muted); font-size: 0.85rem; }
        .req-list li { flex-wrap: wrap; }
        .req-list code,
        .req-list a {
            overflow-wrap: anywhere;
            word-break: break-word;
            max-width: 100%;
        }
        @media (max-width: 640px) {
            .nav-inner { padding: 0 1rem; }
            .nav-links { gap: 0.75rem; }
            .nav-cta { padding: 6px 14px; font-size: 0.85rem; }
            .req-box { padding: 1.75rem 1.5rem; }
            .feature-card { padding: 1.75rem; }
            .hero { padding: 7rem 1.5rem 3rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .feature-grid { grid-template-columns: 1fr; }
            .footer-inner { flex-direction: column; text-align: center; }
        }
        @media (max-width: 420px) {
            .nav-links a:not(.nav-cta) { font-size: 0.85rem; }
            .nav-links { gap: 0.5rem; }
            .nav-cta { padding: 6px 10px; font-size: 0.78rem; }
        }
        @keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
        .hero-content > * { animation: fadeUp 0.6s ease-out both; }
        .hero-content > :nth-child(1) { animation-delay: 0.1s; }
        .hero-content > :nth-child(2) { animation-delay: 0.2s; }
        .hero-content > :nth-child(3) { animation-delay: 0.3s; }
        .hero-content > :nth-child(4) { animation-delay: 0.4s; }