/* ============================================
           NAVIGATION
           ============================================ */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px 20px;
            padding: 12px 28px;
            background: rgba(12, 14, 16, 0.9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            font-size: 11.5px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            color: var(--text);
            white-space: nowrap;
        }
        .nav-logo:hover { color: var(--text-bright); }

        .nav-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            flex: none;
        }

        .wordmark {
            font-weight: 700;
            color: inherit;
        }

        .nav-tagline { color: var(--text-dim); }

        .nav-links {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 22px;
            list-style: none;
        }
        .nav-links a { color: var(--text-muted); }
        .nav-links a:hover { color: var(--primary); }

        .nav-cta {
            color: var(--bg) !important;
            background: var(--primary);
            font-weight: 700;
            padding: 6px 14px;
        }
        .nav-cta:hover { background: var(--primary-bright); }

        /* ============================================
           FRAME & SECTION PRIMITIVES
           ============================================ */
        .frame {
            max-width: var(--max-w);
            margin: 0 auto;
            border-left: 1px solid var(--border);
            border-right: 1px solid var(--border);
        }

        .section {
            padding: var(--section-py) var(--section-px);
            border-top: 1px solid var(--border);
        }

        .section-head { max-width: 720px; margin-bottom: 44px; }

        .section-label {
            font-size: 12px;
            color: var(--text-dim);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.01em;
            color: var(--text-bright);
            margin-bottom: 24px;
        }
        .prompt { color: var(--primary); }

        .section-desc { color: var(--text-muted); }

        .section-footnote {
            font-size: 11.5px;
            color: var(--text-dim);
            margin-top: 14px;
        }

        .em { color: var(--primary); }
        .highlight { color: var(--primary); }
        strong { color: var(--text-bright); font-weight: 700; }

        /* ============================================
           BUTTONS
           ============================================ */
        .btn-primary {
            display: inline-block;
            font-size: 12.5px;
            font-weight: 700;
            background: var(--primary);
            color: var(--bg);
            padding: 12px 22px;
        }
        .btn-primary:hover {
            background: var(--primary-bright);
            color: var(--bg);
        }

        .btn-ghost {
            display: inline-block;
            font-size: 12.5px;
            border: 1px solid var(--border-mid);
            color: var(--text);
            padding: 11px 22px;
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ============================================
           SCROLL REVEAL
           ============================================ */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: none;
        }

        /* Must come after the .reveal rule above — both are single-class
           selectors, so only source order decides. */
        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                transform: none;
            }
        }

        /* ============================================
           FOOTER
           ============================================ */
        .footer { border-top: 1px solid var(--border); }

        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            padding: 50px 40px;
        }

        .footer-brand-block { max-width: 440px; }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 12.5px;
            font-weight: 700;
            color: var(--text-bright);
            margin-bottom: 16px;
        }

        .footer-manifesto {
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .footer-manifesto .em {
            color: var(--text);
            border-bottom: 1px dotted var(--text-dim);
        }

        .footer-contact {
            font-size: 12px;
            color: var(--text-dim);
            margin-top: 20px;
        }
        .footer-contact a { color: var(--text-muted); }
        .footer-contact a:hover { color: var(--primary); }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 9px;
            font-size: 12px;
        }
        .footer-links a { color: var(--text-muted); }
        .footer-links a:hover { color: var(--primary); }

        .footer-receipt {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 12px 40px;
            background: var(--primary);
            color: var(--bg);
            font-size: 11.5px;
            font-weight: 700;
        }