@font-face {
            font-family: 'Inter';
            font-style: normal;
            font-weight: 100 600;
            font-display: swap;
            src: url('../fonts/inter-latin.woff2') format('woff2');
            size-adjust: 107.2%;
            ascent-override: 90%;
            descent-override: 22%;
            unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0300-0301, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
        }

        @font-face {
            font-family: 'Playfair Display';
            font-style: italic;
            font-weight: 400 500;
            font-display: swap;
            src: url('../fonts/playfair-display-italic-latin.woff2') format('woff2');
            size-adjust: 109.8%;
            ascent-override: 88%;
            descent-override: 25%;
            unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0300-0301, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
        }

        /* :root injected per-domain */

        html, body {
            width: 100%;
            max-width: 100%;
            overflow-x: hidden;
            background-color: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: geometricPrecision;
        }

        html {
            overflow-y: auto;
            scrollbar-gutter: stable;
            overscroll-behavior: none;
        }

        body.vault-active {
            overflow: hidden !important;
        }

        html.vault-active {
            overflow-y: scroll;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        .skip-to-content {
            position: absolute;
            top: -100%;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent-primary);
            color: var(--bg-dark);
            padding: 12px 24px;
            border-radius: 0 0 8px 8px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            z-index: 9999;
            text-decoration: none;
            transition: top 0.2s ease;
        }
        .skip-to-content:focus {
            top: 0;
        }

        .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;
        }

        ::selection {
            background: var(--selection-bg);
            color: #ffffff;
        }

        :focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 3px;
        }
        .main-stage:focus {
            outline: none;
        }
        .suppress-focus:focus,
        .suppress-focus:focus-visible {
            outline: none;
        }
        .action-trigger:focus-visible {
            outline-offset: 6px;
            border-radius: 4px;
        }
        .gateway-row:focus-visible {
            outline-offset: 4px;
            border-radius: 14px;
        }
        .vault-close-trigger:focus-visible {
            outline: none;
        }
        .brand-signature-container:focus-visible {
            outline-offset: 6px;
            border-radius: 6px;
        }
        :focus:not(:focus-visible) {
            outline: none;
        }

        body {
            color: var(--text-primary);
            font-family: var(--font-sans);
            min-height: calc(100vh + 1px);
            min-height: calc(100dvh + 1px);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .hero-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            height: 100dvh;
            object-fit: cover;
            object-position: center;
            opacity: 0.15;
            z-index: 0;
            pointer-events: none;
            background:
                radial-gradient(ellipse 80% 60% at 50% 40%, rgba(var(--accent-primary-rgb), 0.08) 0%, transparent 50%),
                radial-gradient(ellipse 50% 50% at 70% 60%, rgba(var(--accent-deep-rgb), 0.05) 0%, transparent 50%),
                radial-gradient(ellipse 65% 55% at 30% 30%, rgba(var(--accent-deep-rgb), 0.04) 0%, transparent 50%),
                var(--bg-dark);
            background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%;
            transition: opacity 1.8s cubic-bezier(0.15, 0.85, 0.25, 1);
            contain: layout paint;
        }
        .hero-bg:not(.loaded) {
            opacity: 0.15;
        }
        .hero-bg.loaded {
            opacity: 0.42;
        }
        .hero-bg.hero-failed {
            opacity: 1;
            background:
                radial-gradient(ellipse 90% 70% at 50% 40%, rgba(var(--accent-primary-rgb), 0.12) 0%, transparent 50%),
                radial-gradient(ellipse 60% 60% at 70% 60%, rgba(var(--accent-deep-rgb), 0.08) 0%, transparent 50%),
                radial-gradient(ellipse 70% 60% at 30% 30%, rgba(var(--accent-deep-rgb), 0.06) 0%, transparent 50%),
                var(--bg-dark) !important;
        }

        @media (prefers-reduced-motion: no-preference) {
            html.page-ready .hero-bg {
                animation: kenBurns 25s ease-in-out infinite alternate;
            }
        }

        body::before {
            content: '';
            position: fixed;
            top: -15%;
            right: -15%;
            width: 65vw;
            height: 65vw;
            background: radial-gradient(circle, rgba(var(--accent-primary-rgb), 0.02) 0%, rgba(var(--accent-deep-rgb), 0) 70%);
            pointer-events: none;
            z-index: 1;
        }

        body::after {
            content: '';
            position: fixed;
            left: var(--mx, 50vw);
            top: var(--my, 50vh);
            width: 50vmax;
            height: 50vmax;
            transform: translate(-50%, -50%);
            background: radial-gradient(circle, rgba(var(--accent-primary-rgb), 0.022) 0%, rgba(var(--accent-deep-rgb), 0.008) 40%, transparent 70%);
            pointer-events: none;
            z-index: 1;
            opacity: 0;
            transition: opacity 1.5s ease;
        }
        body.cursor-glow::after {
            opacity: 1;
        }
        body.vault-active.cursor-glow::after {
            opacity: 0;
        }

        .page-frame {
            width: 100%;
            max-width: 1440px;
            min-height: 100vh;
            min-height: 100dvh;
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .brand-signature-container {
            position: absolute;
            top: 4.5rem;
            right: 8rem;
            z-index: 10;
            opacity: 0.25;
            text-decoration: none;
            pointer-events: auto;
        }
        @media (min-width: 1024px) and (max-width: 1280px) {
            .brand-signature-container {
                right: 4rem;
                top: 3.5rem;
            }
        }
        html.page-ready .brand-signature-container {
            opacity: 0;
            animation: fadeInMaster 1.4s cubic-bezier(0.15, 0.85, 0.25, 1) forwards 0.4s;
        }

        .brand-signature {
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 0.32em;
            color: rgba(255, 255, 255, 0.55);
            text-transform: uppercase;
            height: 34px;
            display: inline-flex;
            align-items: center;
            padding: 0 20px;
            border: 1px solid var(--border-subtle);
            border-radius: 6px;
            background: var(--surface-1);
            backdrop-filter: var(--blur-premium);
            -webkit-backdrop-filter: var(--blur-premium);
            box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.01), 0 12px 35px rgba(0, 0, 0, 0.6);
            transition: color var(--transition-hover-out), letter-spacing var(--transition-hover-out), border-color var(--transition-hover-out), background var(--transition-hover-out), box-shadow var(--transition-hover-out), transform var(--transition-hover-out);
        }
        .brand-signature-container:hover .brand-signature {
            transition: color var(--transition-hover-in), letter-spacing var(--transition-hover-in), border-color var(--transition-hover-in), background var(--transition-hover-in), box-shadow var(--transition-hover-in), transform var(--transition-hover-in);
        }

        .main-stage {
            width: 100%;
            
            padding: 6rem 8rem;
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-epic), filter var(--transition-epic), opacity var(--transition-epic);
            transform: translateZ(0);
            contain: layout paint;
        }

        body.vault-active .main-stage {
            transform: scale(0.955) translateY(-10px);
            filter: blur(5px);
            opacity: 0.12;
        }
        body.vault-closing .main-stage {
            transition: transform 0.3s cubic-bezier(0.4, 0, 1, 1), filter 0.3s cubic-bezier(0.4, 0, 1, 1), opacity 0.3s cubic-bezier(0.4, 0, 1, 1);
        }

        .meta-header {
            font-size: clamp(0.7rem, 0.85vw, 0.8rem);
            text-transform: uppercase;
            letter-spacing: 0.5em;
            color: var(--meta-header-color);
            margin-left: 3px;
            margin-bottom: 3.2rem;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            align-self: flex-start;
            opacity: 0.38;
            transition: opacity 0.6s ease;
        }
        html.page-ready .meta-header {
            opacity: 0;
            animation: fadeInMaster 1.4s cubic-bezier(0.15, 0.85, 0.25, 1) forwards;
        }

        .meta-header::before {
            content: '';
            width: 5px;
            height: 5px;
            background: var(--accent-highlight);
            border-radius: 50%;
            box-shadow:
                0 0 4px var(--accent-highlight),
                0 0 10px var(--accent-highlight),
                0 0 20px rgba(var(--accent-highlight-rgb), 0.35);
        }
        @media (prefers-reduced-motion: no-preference) {
            html.page-ready .meta-header::before {
                animation: dotBreathe 3s ease-in-out 1.4s infinite;
            }
        }
        @keyframes dotBreathe {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
                box-shadow:
                    0 0 4px var(--accent-highlight),
                    0 0 10px var(--accent-highlight),
                    0 0 20px rgba(var(--accent-highlight-rgb), 0.35);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.5);
                box-shadow:
                    0 0 2px var(--accent-highlight),
                    0 0 6px var(--accent-primary),
                    0 0 12px rgba(var(--accent-primary-rgb), 0.2);
            }
        }

        .main-title {
            font-size: clamp(2.4rem, 7.2vw, 6.5rem);
            font-weight: 200;
            letter-spacing: -0.045em;
            color: #ffffff;
            background: var(--text-gradient);
            background-size: 200% 100%;
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            padding-bottom: 0.4rem;
            white-space: nowrap;
            opacity: 0.55;
            transform: translateY(25px);
            position: relative;
        }
        html.page-ready .main-title {
            opacity: 0;
            animation: slideUpMaster 1.4s cubic-bezier(0.15, 0.85, 0.25, 1) forwards 0.1s, titleBreathe 7s ease-in-out infinite 2s, titleGradientFlow 20s ease-in-out infinite 2s;
        }
        .main-title::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 140%;
            height: 280%;
            background: radial-gradient(ellipse, rgba(var(--accent-primary-rgb),0.035) 0%, transparent 65%);
            pointer-events: none;
            z-index: -1;
        }

        .main-title span { font-weight: 700; }
        .main-title .dot {
            font-weight: 100;
            display: inline-block;
            -webkit-text-fill-color: var(--accent-primary);
            color: var(--accent-primary);
            background: none;
            -webkit-background-clip: unset;
            background-clip: unset;
            text-shadow: 0 0 8px rgba(var(--accent-primary-rgb), 0.4), 0 0 24px rgba(var(--accent-primary-rgb), 0.15);
        }
        @media (prefers-reduced-motion: no-preference) {
            html.page-ready .main-title .dot {
                animation: dotGlow 4s ease-in-out infinite 2.5s;
            }
        }

        .laser-divider {
            width: 100%;
            height: 1px;
            background: var(--laser-gradient);
            background-size: 200% 100%;
            opacity: 0.45;
            margin-top: 2.8rem;
            margin-bottom: 3.8rem;
            transform: scaleX(0);
            transform-origin: left;
        }
        html.page-ready .laser-divider {
            animation: stretchLine 1.8s cubic-bezier(0.15, 0.85, 0.25, 1) forwards 0.2s,
                       laserFlow 8s linear infinite 2.5s,
                       laserBreathe 5s ease-in-out infinite 2.5s;
        }

        .content-manifest-row {
            display: flex;
            flex-direction: row;
            justify-content: space-between;
            align-items: flex-end;
            width: 100%;
            margin-bottom: 2rem;
            gap: 4rem;
            opacity: 0.55;
            transform: translateY(20px);
        }
        html.page-ready .content-manifest-row {
            opacity: 0;
            animation: slideUpMaster 1.4s cubic-bezier(0.15, 0.85, 0.25, 1) forwards 0.3s;
        }

        .philosophical-slogan {
            font-family: var(--font-serif);
            font-size: clamp(1.2rem, 2.1vw, 1.85rem);
            font-style: italic;
            color: var(--text-secondary);
            max-width: 30ch;
            line-height: 1.75;
        }

        .action-trigger {
            display: inline-flex;
            align-items: center;
            gap: 22px;
            background: transparent;
            border: none;
            color: var(--text-primary);
            cursor: pointer;
            padding: 14px 0 14px 14px;
            position: relative;
            font-family: var(--font-sans);
            font-size: clamp(0.9rem, 1vw, 1rem);
            font-weight: 500;
            letter-spacing: 0.1em;
            text-decoration: none;
            flex-shrink: 0;
            -webkit-tap-highlight-color: transparent;
            touch-action: manipulation;
            transition: color var(--transition-hover-out), letter-spacing var(--transition-hover-out);
        }
        .action-trigger:hover {
            transition: color var(--transition-hover-in), letter-spacing var(--transition-hover-in);
        }
        @media (prefers-reduced-motion: no-preference) {
            html.page-ready .action-trigger {
                animation: ctaPulse 1.5s cubic-bezier(0.15, 0.85, 0.25, 1) 2s 1, ctaGlowBreathe 5s ease-in-out 3.5s infinite;
            }
        }

        .action-trigger .circle-arrow {
            width: 56px;
            height: 56px;
            border: 1px solid transparent;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            background: transparent;
            transition: border-color var(--transition-hover-out), box-shadow var(--transition-hover-out), transform var(--transition-hover-out), background var(--transition-hover-out);
        }
        .action-trigger:hover .circle-arrow {
            transition: border-color var(--transition-hover-in), box-shadow var(--transition-hover-in), transform var(--transition-hover-in), background var(--transition-hover-in);
        }

        .action-trigger .circle-arrow svg {
            width: 18px;
            height: 18px;
            transition: transform var(--transition-hover-out), color var(--transition-hover-out);
        }
        .action-trigger:hover .circle-arrow svg {
            transition: transform var(--transition-hover-in), color var(--transition-hover-in);
        }

        .action-trigger::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 100%;
            height: 1px;
            background: rgba(255, 255, 255, 0.05);
            transition: background var(--transition-epic), box-shadow var(--transition-epic);
        }

        .clipboard-toast {
            position: fixed;
            bottom: 3rem;
            left: 50%;
            transform: translateX(-50%) translateY(20px);
            background: rgba(var(--accent-primary-rgb), 0.15);
            border: 1px solid rgba(var(--accent-primary-rgb), 0.25);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            color: var(--accent-primary);
            text-shadow: 0 0 12px rgba(var(--accent-primary-rgb), 0.4);
            filter: brightness(1.15);
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            padding: 10px 24px;
            border-radius: 8px;
            z-index: 200;
            opacity: 0;
            pointer-events: none;
            cursor: default;
            transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .clipboard-toast.visible {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
            pointer-events: auto;
            cursor: pointer;
        }
        .clipboard-toast.error {
            background: rgba(var(--color-error-rgb), 0.15);
            border-color: rgba(var(--color-error-rgb), 0.25);
            color: var(--color-error);
            text-shadow: 0 0 12px rgba(var(--color-error-rgb), 0.4);
        }

        .manifest-footer {
            position: absolute;
            bottom: 4.5rem;
            left: 8rem;
            z-index: 2;
            opacity: 0.15;
            display: flex;
            flex-direction: row;
            align-items: center;
            transition: opacity var(--transition-hover-out);
        }
        html.page-ready .manifest-footer {
            opacity: 0;
            animation: fadeInMaster 1.4s cubic-bezier(0.15, 0.85, 0.25, 1) forwards 0.6s;
        }

        .manifest-footer .brand-text-fallback { display: none; }

        .manifest-footer .pc-copyright-prefix {
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            margin-right: 0.5rem;
        }

        .manifest-footer .slogan-tag {
            font-family: var(--font-serif);
            font-style: italic;
            color: var(--text-secondary);
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            transition: opacity 0.4s ease;
        }

        .vault-overlay {
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(1, 1, 2, 0.6);
            z-index: 100; opacity: 0; pointer-events: none;
            visibility: hidden;
            backdrop-filter: var(--blur-premium);
            -webkit-backdrop-filter: var(--blur-premium);
            overscroll-behavior: none;
            transition: opacity var(--transition-epic), visibility var(--transition-epic);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
        }

        .vault-overlay.active { opacity: 1; pointer-events: auto; visibility: visible; }

        @supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
            .vault-overlay {
                background: rgba(10, 10, 12, 0.96);
            }
        }

        .vault-panel {
            width: 100%;
            max-width: 800px;
            max-height: 82vh;
            max-height: 82dvh;
            background:
                linear-gradient(180deg, rgba(var(--accent-deep-rgb), 0.02) 0%, transparent 40%),
                var(--bg-vault-base);
            border: 1px solid var(--border-default);
            border-radius: 20px;
            box-shadow: 0 50px 140px rgba(0, 0, 0, 0.9),
                        0 0 0 1px var(--border-subtle),
                        0 1px 0 var(--surface-border) inset,
                        0 -1px 0 rgba(0, 0, 0, 0.3) inset;
            transform: scale(0.92) translateY(30px);
            transition: transform 0.6s cubic-bezier(0.22, 1.15, 0.36, 1),
                        opacity 0.4s cubic-bezier(0.15, 0.85, 0.25, 1);
            opacity: 0;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            position: relative;
            contain: layout style paint;
        }

        .vault-panel::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url("../noise.png");
            background-repeat: repeat;
            background-size: 128px 128px;
            pointer-events: none;
            z-index: 0;
            border-radius: inherit;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }

        .vault-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, var(--surface-2) 0%, var(--surface-1) 35%, transparent 55%);
            pointer-events: none;
            z-index: 1;
            border-radius: inherit;
        }
        .vault-panel-top-glow {
            position: absolute;
            top: 0;
            left: 10%;
            right: 10%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(var(--vault-accent-deep-rgb), 0.25), rgba(var(--vault-accent-primary-rgb), 0.15), transparent);
            z-index: 3;
            pointer-events: none;
            border-radius: inherit;
            opacity: 0.15;
        }
        @media (prefers-reduced-motion: no-preference) {
            .vault-overlay.active .vault-panel-top-glow {
                animation: vaultGlowBreathe 8s ease-in-out infinite;
            }
        }
        .vault-panel-top-glow::after {
            content: '';
            position: absolute;
            top: 0;
            left: 15%;
            right: 15%;
            height: 12px;
            background: linear-gradient(180deg, rgba(var(--vault-accent-deep-rgb), 0.06), transparent);
            pointer-events: none;
        }

        .vault-overlay.active .vault-panel { transform: scale(1) translateY(0); opacity: 1; }

        @media (hover: hover) {
            .vault-overlay.active:hover .vault-panel {
                transition: transform 0.6s cubic-bezier(0.22, 1.15, 0.36, 1),
                            opacity 0.4s cubic-bezier(0.15, 0.85, 0.25, 1);
            }
            .vault-overlay.active:hover .vault-panel:not(:hover) {
                transform: scale(0.985) translateY(0);
                transition: transform 0.4s cubic-bezier(0.15, 0.85, 0.25, 1),
                            opacity 0.4s cubic-bezier(0.15, 0.85, 0.25, 1);
            }
        }

        .vault-overlay.closing .vault-panel {
            transform: scale(0.96) translateY(10px);
            opacity: 0;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1.04),
                        opacity 0.25s cubic-bezier(0.4, 0, 1, 1);
        }

        .vault-overlay.closing {
            opacity: 0;
            transition: opacity 0.3s cubic-bezier(0.4, 0, 1, 1);
        }

        .vault-close-trigger {
            position: absolute;
            top: 2rem;
            right: 2.5rem;
            background: var(--surface-1);
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border-default);
            z-index: 10;
            transition: color var(--transition-hover-out), border-color var(--transition-hover-out), transform var(--transition-hover-out), background var(--transition-hover-out), box-shadow var(--transition-hover-out);
            -webkit-tap-highlight-color: transparent;
            touch-action: manipulation;
        }
        .vault-close-trigger:hover {
            transition: color var(--transition-hover-in), border-color var(--transition-hover-in), transform var(--transition-hover-in), background var(--transition-hover-in), box-shadow var(--transition-hover-in);
        }

        .vault-close-trigger svg {
            width: 16px;
            height: 16px;
        }

        .vault-close-trigger:active {
            transform: rotate(90deg) scale(0.9);
            background: var(--surface-3);
        }

        .vault-keyboard-hint {
            position: absolute;
            bottom: 1.8rem;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            z-index: 4;
            font-size: 0.68rem;
            font-weight: 400;
            letter-spacing: 0.06em;
            color: rgba(255, 255, 255, 0.25);
            background: rgba(10, 10, 13, 0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--border-subtle);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
            white-space: nowrap;
        }
        .vault-keyboard-hint.visible {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
        @media (max-width: 768px) {
            .vault-keyboard-hint { display: none; }
        }

        .vault-body {
            padding: 4.5rem 3.8rem 3.8rem 3.8rem;
            overflow-y: auto;
            overscroll-behavior: contain;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,0.15) transparent;
            scrollbar-gutter: stable;
            display: flex;
            flex-direction: column;
            position: relative;
            z-index: 2;
        }

        .vault-scroll-progress {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            z-index: 5;
            overflow: hidden;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .vault-scroll-progress.visible {
            opacity: 1;
        }

        .vault-scroll-progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--vault-accent-deep), var(--vault-accent-primary));
            border-radius: 0 1px 1px 0;
            width: 0%;
            transition: width 0.1s linear;
            position: relative;
        }

        .vault-scroll-progress-bar::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60px;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4));
            animation: vaultProgressScan 2s ease-in-out infinite;
        }

        .vault-scroll-top {
            position: absolute;
            bottom: 1.8rem;
            right: 2rem;
            z-index: 4;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--border-default);
            background: rgba(10, 10, 13, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            color: var(--text-muted);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transform: translateY(12px);
            transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), color var(--transition-hover-out), border-color var(--transition-hover-out), background var(--transition-hover-out), box-shadow var(--transition-hover-out);
            -webkit-tap-highlight-color: transparent;
            touch-action: manipulation;
        }
        .vault-scroll-top.visible {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }
        .vault-scroll-top svg {
            width: 16px;
            height: 16px;
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        @media (hover: hover) {
            .vault-scroll-top:hover {
                color: var(--text-primary);
                border-color: rgba(var(--accent-primary-rgb), 0.3);
                background: rgba(var(--accent-primary-rgb), 0.06);
                box-shadow: 0 0 20px rgba(var(--accent-primary-rgb), 0.1);
                transform: translateY(-2px);
                transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), color var(--transition-hover-in), border-color var(--transition-hover-in), background var(--transition-hover-in), box-shadow var(--transition-hover-in);
            }
            .vault-scroll-top:hover svg {
                transform: translateY(-3px);
            }
        }
        @media (hover: none) {
            .vault-scroll-top:active {
                color: var(--text-primary);
                border-color: rgba(var(--accent-primary-rgb), 0.3);
                transform: scale(0.92);
            }
        }
        .vault-body::-webkit-scrollbar { width: 6px; }
        .vault-body::-webkit-scrollbar-track { background: rgba(255,255,255,0.03); }
        .vault-body::-webkit-scrollbar-thumb { background: linear-gradient(180deg, rgba(var(--vault-accent-deep-rgb),0.35), rgba(var(--vault-accent-primary-rgb),0.2)); border-radius: 3px; }
        .vault-body::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, rgba(var(--vault-accent-deep-rgb),0.55), rgba(var(--vault-accent-primary-rgb),0.35)); }

        .story-section {
            margin-bottom: 3.5rem;
            display: flex;
            flex-direction: column;
        }
        .story-section > * {
            opacity: 0;
            transform: translateY(18px);
        }
        .vault-overlay.active .story-section > * {
            animation: vaultContentReveal 0.7s cubic-bezier(0.15, 0.85, 0.25, 1) forwards;
        }
        .vault-overlay.active .story-section > :nth-child(1) { animation-delay: 0.15s; }
        .vault-overlay.active .story-section > :nth-child(2) { animation-delay: 0.27s; }
        .vault-overlay.active .story-section > :nth-child(3) { animation-delay: 0.39s; }
        .vault-overlay.active .story-section > :nth-child(4) { animation-delay: 0.51s; }
        .vault-overlay.active .story-section > :nth-child(5) { animation-delay: 0.63s; }
        .vault-overlay.active .story-section > :nth-child(6) { animation-delay: 0.75s; }
        .vault-overlay.active .story-section > :nth-child(7) { animation-delay: 0.87s; }
        .vault-overlay.active .story-section > :nth-child(8) { animation-delay: 0.99s; }
        .vault-overlay.active .story-section > :nth-child(9) { animation-delay: 1.11s; }
        .vault-overlay.active .story-section > :nth-child(10) { animation-delay: 1.23s; }

        .scroll-reveal {
            opacity: 0;
            transform: translateY(18px);
            transition: opacity 0.7s cubic-bezier(0.15, 0.85, 0.25, 1), transform 0.7s cubic-bezier(0.15, 0.85, 0.25, 1);
        }
        .scroll-reveal.revealed {
            opacity: 1;
            transform: translateY(0);
        }
        .vault-overlay.active .transition-preface { transition-delay: 0.3s; }
        .vault-overlay.active .transaction-section { transition-delay: 0.5s; }
        .vault-overlay.active .legal-details { transition-delay: 0.7s; }
        @media (prefers-reduced-motion: reduce) {
            .scroll-reveal { transition: none; opacity: 1; transform: none; }
        }

        .transition-preface {
            margin: -0.5rem 0 2.8rem 0;
            display: flex;
            flex-direction: column;
            gap: 1.3rem;
            padding-left: 1.2rem;
            border-left: 1px solid rgba(var(--accent-primary-rgb), 0.12);
        }

        .story-title {
            font-size: 2.4rem;
            font-weight: 200;
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
            text-align: center;
            align-self: center;
            color: var(--vault-accent-primary);
            text-shadow: 0 0 40px rgba(var(--vault-accent-primary-rgb), 0.15);
            position: relative;
            padding-bottom: 0;
        }

        .story-title span {
            font-weight: 500;
            color: var(--text-primary);
        }
        .story-title .dot {
            font-weight: 200;
            display: inline-block;
            color: var(--vault-accent-primary);
            text-shadow: 0 0 8px rgba(var(--vault-accent-primary-rgb), 0.4), 0 0 24px rgba(var(--vault-accent-primary-rgb), 0.15);
        }
        @media (prefers-reduced-motion: no-preference) {
            .vault-overlay.active .story-title .dot {
                animation: dotGlow 4s ease-in-out infinite;
            }
        }

        .vault-slogan {
            font-family: var(--font-serif);
            font-size: 1.22rem;
            font-style: italic;
            font-weight: 400;
            line-height: 1.55;
            text-align: center;
            align-self: center;
            color: rgba(255, 255, 255, 0.56);
            margin: 0 0 1.6rem 0;
            max-width: 36ch;
            letter-spacing: 0.015em;
        }

        .story-p {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-style: italic;
            line-height: 1.95;
            color: rgba(255, 255, 255, 0.68);
            text-align: left;
        }
        .story-p + .story-p {
            margin-top: 1.2rem;
        }
        .story-p span {
            font-family: var(--font-serif);
            font-style: italic;
            color: rgba(255, 255, 255, 0.92);
            font-weight: 400;
        }
        .story-p:first-of-type::first-letter {
            float: left;
            font-family: var(--font-serif);
            font-size: 3.6rem;
            font-weight: 400;
            line-height: 0.85;
            padding-right: 0.12em;
            padding-top: 0.12em;
            margin-right: -0.02em;
            color: var(--accent-deep);
            text-shadow: 0 0 30px rgba(var(--accent-deep-rgb), 0.12);
        }
        @media (max-width: 768px) {
            .story-p:first-of-type::first-letter {
                font-size: 3rem;
                padding-right: 0.1em;
            }
        }

        .transition-preface p {
            font-family: var(--font-serif);
            font-style: italic;
            font-size: 1.08rem;
            line-height: 1.88;
            color: rgba(255, 255, 255, 0.48);
            text-align: left;
            margin: 0;
        }
        .transition-preface p span {
            font-family: var(--font-serif);
            font-style: italic;
            color: rgba(255, 255, 255, 0.72);
        }

        .transaction-section {
            border-top: 1px solid var(--border-default);
            padding-top: 2.5rem;
            margin-bottom: 2rem;
            display: flex;
            flex-direction: column;
            gap: 2rem;
            position: relative;
        }

        .transaction-section::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 10%;
            right: 10%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(var(--accent-deep-rgb), 0.2), transparent);
        }

        .vault-price {
            font-size: 1.8rem;
            color: var(--text-primary);
            font-weight: 200;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
        }
        .vault-price span {
            font-size: 0.7rem;
            color: var(--accent-primary);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            margin-left: 16px;
            padding: 5px 14px;
            border-radius: 6px;
            background: rgba(var(--accent-primary-rgb), 0.07);
            border: 1px solid rgba(var(--accent-primary-rgb), 0.12);
            box-shadow: 0 0 12px rgba(var(--accent-primary-rgb), 0.05);
            position: relative;
        }

        .price-display-box {
            display: flex;
            align-items: center;
        }

        .discount-badge {
            font-size: 0.65rem;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            padding: 3px 8px;
            border-radius: 4px;
            letter-spacing: 0.04em;
            font-weight: 500;
        }

        .gateway-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.4rem;
        }

        .gateway-row.gateway-primary {
            border-color: rgba(var(--vault-accent-primary-rgb), 0.1);
            background: rgba(var(--vault-accent-primary-rgb), 0.03);
            box-shadow: none;
            position: relative;
            overflow: hidden;
        }

        .gateway-grid.single-option {
            grid-template-columns: 1fr;
        }

        .gateway-row.gateway-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(
                90deg,
                transparent 0%,
                rgba(var(--vault-accent-deep-rgb), 0.06) 45%,
                rgba(var(--vault-accent-deep-rgb), 0.12) 50%,
                rgba(var(--vault-accent-deep-rgb), 0.06) 55%,
                transparent 100%
            );
            background-size: 200% 100%;
            animation: ctaShimmer 6s ease-in-out infinite;
            pointer-events: none;
            z-index: 0;
        }

        .gateway-row.gateway-primary > * {
            position: relative;
            z-index: 1;
        }

        .gateway-row.gateway-primary:hover {
            border-color: rgba(var(--vault-accent-deep-rgb), 0.25);
            background: rgba(var(--vault-accent-deep-rgb), 0.06);
            box-shadow: 0 0 30px rgba(var(--vault-accent-deep-rgb), 0.06);
        }

        .gateway-row.gateway-primary:hover::before {
            animation: ctaShimmer 2s ease-in-out infinite;
        }

        .row-label {
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--text-muted);
        }

        .platform-trust-strip {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            padding: 1.4rem 0 0 0;
            border-top: 1px solid var(--border-subtle);
            flex-wrap: wrap;
        }

        .platform-label {
            font-size: 0.68rem;
            font-weight: 400;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.78);
            flex-shrink: 0;
        }

        .platform-logos {
            display: flex;
            align-items: center;
            gap: 1.4rem;
            flex-wrap: wrap;
        }

        .platform-logos img {
            height: 22px;
            filter: brightness(0) invert(1);
            transition: filter var(--transition-hover-out), opacity var(--transition-hover-out), transform 0.3s ease;
            opacity: 0.55;
        }
        .platform-logos img:hover {
            transition: filter var(--transition-hover-in), opacity var(--transition-hover-in), transform var(--transition-hover-in);
        }

        .gateway-row {
            background: var(--surface-1);
            border: 1px solid var(--border-subtle);
            border-radius: 14px;
            padding: 1.6rem;
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
            text-decoration: none;
            color: inherit;
            transition: background var(--transition-hover-out), border-color var(--transition-hover-out), transform var(--transition-hover-out), box-shadow var(--transition-hover-out);
            touch-action: manipulation;
            position: relative;
            overflow: hidden;
        }
        .gateway-row::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 60%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(var(--accent-deep-rgb), 0.04), transparent);
            transform: translateX(-200%);
            transition: transform 0.6s cubic-bezier(0.15, 0.85, 0.25, 1);
            pointer-events: none;
        }
        .gateway-row:hover {
            transition: background var(--transition-hover-in), border-color var(--transition-hover-in), transform var(--transition-hover-in), box-shadow var(--transition-hover-in);
        }

        .row-meta { display: flex; justify-content: space-between; align-items: center; }
        .row-meta img {
            height: 21px;
            filter: brightness(0) invert(1);
            opacity: 0.55;
            transition: filter var(--transition-hover-out), opacity var(--transition-hover-out);
        }
        .gateway-row:hover .row-meta img {
            transition: filter var(--transition-hover-in), opacity var(--transition-hover-in);
        }
        .row-meta svg {
            transition: transform 0.3s cubic-bezier(0.15, 0.85, 0.25, 1);
            flex-shrink: 0;
        }

        .row-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; font-weight: 300; }

        .row-copy-hint {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.68rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            font-weight: 350;
            transition: color var(--transition-hover-out);
        }
        .gateway-row:hover .row-desc {
            transition: color var(--transition-hover-in);
        }
        .row-copy-hint svg {
            width: 12px;
            height: 12px;
            opacity: 0.5;
            flex-shrink: 0;
            transition: opacity var(--transition-hover-out);
        }

        .legal-clause {
            font-size: 0.72rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.65);
            text-align: left;
            margin: 0;
        }
        .legal-clause small { font-size: inherit; }

        .legal-details {
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.5rem;
            margin: 0;
        }
        .legal-details .legal-clause-wrapper {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 0.4s cubic-bezier(0.15, 0.85, 0.25, 1);
        }
        .legal-details[open] .legal-clause-wrapper {
            grid-template-rows: 1fr;
        }
        .legal-details .legal-clause-inner {
            overflow: hidden;
        }
        @supports not (grid-template-rows: 0fr) {
            .legal-details .legal-clause-wrapper { display: block; }
            .legal-details .legal-clause-inner { overflow: visible; }
        }
        .legal-details summary {
            font-size: 0.72rem;
            font-weight: 400;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--text-muted);
            cursor: pointer;
            padding: 0.4rem 0;
            list-style: none;
            transition: color 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.55rem;
        }
        .legal-details summary::-webkit-details-marker { display: none; }
        .legal-details summary::before {
            content: '';
            display: inline-block;
            width: 18px;
            height: 18px;
            border: 1px solid var(--border-default);
            border-radius: 50%;
            background:
                linear-gradient(to right, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.3) 100%) no-repeat center / 8px 1px,
                linear-gradient(to bottom, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.3) 100%) no-repeat center / 1px 8px;
            transition: border-color 0.35s ease, background 0.35s ease, transform 0.35s cubic-bezier(0.15, 0.85, 0.25, 1);
            flex-shrink: 0;
        }
        .legal-details[open] summary::before {
            background:
                linear-gradient(to right, var(--accent-primary) 0%, var(--accent-primary) 100%) no-repeat center / 8px 1px,
                linear-gradient(to bottom, transparent 0%, transparent 100%) no-repeat center / 0 0;
            border-color: rgba(var(--accent-primary-rgb), 0.22);
            transform: rotate(180deg);
        }
        .legal-details summary:hover,
        .legal-details summary:focus-visible {
            color: var(--text-secondary);
        }
        .legal-details summary:hover::before {
            border-color: var(--border-emphasis);
        }
        .legal-details[open] summary:hover::before {
            border-color: rgba(var(--accent-primary-rgb), 0.32);
        }
        .legal-details[open] summary {
            margin-bottom: 1rem;
        }
        .legal-details .legal-clause {
            border-top: none;
            padding-top: 0;
        }

        .vault-body .story-section,
        .vault-body .transition-preface,
        .vault-body .transaction-section,
        .vault-body .legal-details {
            content-visibility: auto;
            contain-intrinsic-size: auto 500px;
        }

        @media (min-width: 1024px) and (max-width: 1199px) {
            .brand-signature-container {
                right: 4rem;
                top: 3.5rem;
            }
            .brand-signature {
                font-size: 9px;
                height: 28px;
                padding: 0 14px;
                letter-spacing: 0.28em;
            }
            .main-stage {
                padding: 5rem 4rem;
            }
            .manifest-footer {
                left: 4rem;
                bottom: 3rem;
            }
        }

        @media (min-width: 769px) and (max-width: 1023px) {
            .brand-signature-container {
                right: 2.5rem;
                top: 2.5rem;
            }
            .brand-signature {
                font-size: 8px;
                height: 26px;
                padding: 0 12px;
                letter-spacing: 0.24em;
            }
            .main-stage {
                padding: 4rem 2.5rem;
            }
            .manifest-footer {
                left: 2.5rem;
                bottom: 2.5rem;
            }
            .philosophical-slogan {
                font-size: clamp(1.1rem, 1.8vw, 1.6rem);
                max-width: 28ch;
            }
            .main-title {
                font-size: clamp(2.2rem, 5.5vw, 4.5rem);
                white-space: normal;
                text-wrap: balance;
                overflow-wrap: break-word;
            }
            .vault-body {
                padding: 4.5rem 2.5rem 3rem 2.5rem;
            }
        }

        @media (max-width: 768px) {
            body {
                justify-content: flex-start;
                min-height: calc(100vh + 1px);
                min-height: calc(100dvh + 1px);
            }

            .page-frame {
                max-width: 100vw;
                flex-grow: 1;
                display: flex;
                flex-direction: column;
            }

            .brand-signature-container { display: none; }

            .main-stage {
                padding: calc(4rem + env(safe-area-inset-top)) 8vw calc(4rem + env(safe-area-inset-bottom)) 8vw;
                
                margin: 0;
                flex-grow: 1;
                justify-content: center;
            }

            .meta-header { margin-bottom: 1.5rem; }

            .main-title {
                font-size: clamp(2.2rem, 9.5vw, 3.8rem);
                white-space: normal;
                line-height: 1.15;
                letter-spacing: -0.01em;
                text-wrap: balance;
                overflow-wrap: break-word;
                word-break: normal;
            }
            .main-title span {
                display: inline-block;
            }

            .laser-divider { margin-top: 1.4rem; margin-bottom: 2.8rem; }

            .content-manifest-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                margin-bottom: 0;
            }

            .philosophical-slogan {
                font-size: 1.35rem;
                line-height: 1.65;
                margin-bottom: 3rem;
                max-width: 24ch;
                opacity: 1;
                transform: none;
                animation: none;
            }

            .action-trigger {
                margin-bottom: 2rem;
                padding: 18px 8px 18px 0;
                align-self: flex-start;
                opacity: 1;
                animation: none;
                min-height: 48px;
            }
            .action-trigger::after { left: 0; right: auto; }

            .vault-overlay { padding: 0; }
            .vault-panel {
                max-width: 100vw;
                height: 100vh;
                height: 100dvh;
                max-height: 100vh;
                max-height: 100dvh;
                border-radius: 0;
                border: none;
                transform: translateY(100%);
                opacity: 1;
                transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1.03);
            }
            .vault-overlay.active .vault-panel {
                transform: translateY(0);
                opacity: 1;
                transition: transform 0.6s cubic-bezier(0.22, 1.15, 0.36, 1);
            }

            .vault-swipe-indicator {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 100%;
                height: 24px;
                position: absolute;
                top: calc(0.7rem + env(safe-area-inset-top));
                left: 0;
                z-index: 8;
                opacity: 0;
                pointer-events: none;
                transition: opacity 0.25s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
                transform: translateY(-8px);
            }
            .vault-swipe-indicator.visible {
                opacity: 0.5;
                transform: translateY(0);
            }
            .vault-swipe-indicator-line {
                width: 40px;
                height: 4px;
                border-radius: 4px;
                background: rgba(255, 255, 255, 0.3);
            }

            .vault-panel::before {
                border-radius: 0;
            }
            .vault-panel::after {
                border-radius: 0;
            }
            .vault-panel-top-glow {
                left: 0;
                right: 0;
            }
            .vault-overlay.active .story-section > * {
                animation-duration: 0.35s;
            }
            .vault-overlay.active .story-section > :nth-child(1) { animation-delay: 0.05s; }
            .vault-overlay.active .story-section > :nth-child(2) { animation-delay: 0.12s; }
            .vault-overlay.active .story-section > :nth-child(3) { animation-delay: 0.19s; }
            .vault-overlay.active .story-section > :nth-child(4) { animation-delay: 0.26s; }
            .vault-overlay.active .story-section > :nth-child(5) { animation-delay: 0.33s; }
            .vault-overlay.active .story-section > :nth-child(6) { animation-delay: 0.40s; }
            .vault-overlay.active .story-section > :nth-child(7) { animation-delay: 0.47s; }
            .vault-overlay.active .story-section > :nth-child(8) { animation-delay: 0.54s; }
            .vault-overlay.active .story-section > :nth-child(9) { animation-delay: 0.61s; }
            .vault-overlay.active .story-section > :nth-child(10) { animation-delay: 0.68s; }
            .scroll-reveal {
                opacity: 1;
                transform: none;
                transition: none;
            }
            .vault-scroll-progress {
                display: none;
            }
            .vault-close-trigger {
                top: calc(1.2rem + env(safe-area-inset-top));
                right: 1.2rem;
                width: 48px;
                height: 48px;
                background: var(--surface-2);
                border-color: var(--border-default);
            }
            .vault-body {
                padding: 5.5rem 2rem calc(2rem + env(safe-area-inset-bottom)) 2rem;
                overflow-x: hidden;
            }
            .story-title { font-size: 2rem; margin-bottom: 0.4rem; }
            .vault-slogan { font-size: 1.08rem; margin: 0 0 1.2rem 0; max-width: 28ch; }
            .story-p { font-size: 1.18rem; line-height: 1.75; text-align: left; }
            .story-p + .story-p { margin-top: 1rem; }
            .transition-preface { margin: 0.5rem 0 2.2rem 0; padding-left: 0.8rem; }
            .transition-preface p { font-size: 1rem; line-height: 1.72; text-align: left; }
            .vault-price { font-size: 1.5rem; flex-direction: column; gap: 0.5rem; align-items: flex-start; }
            .vault-price span { margin-left: 0; margin-top: 0.5rem; }
            .price-display-box { flex-direction: column; gap: 0.5rem; align-items: flex-start; }
            .gateway-grid { grid-template-columns: 1fr; gap: 1.2rem; }
            .gateway-row.gateway-primary { border-left: 2px solid var(--accent-deep); }
            .platform-trust-strip { gap: 0.5rem 0; flex-wrap: wrap; }
            .platform-logos { gap: clamp(0.6rem, 2.5vw, 1rem); flex-wrap: nowrap; width: 100%; min-width: 0; }
            .platform-logos img { height: clamp(16px, 3.2vw, 20px); flex-shrink: 1; min-width: 0; }
            .legal-clause { text-align: left; }
            .legal-details summary { font-size: 0.68rem; }

            .manifest-footer {
                position: relative;
                top: auto; bottom: auto; left: auto; right: auto;
                padding: 3rem 8vw calc(2.5rem + env(safe-area-inset-bottom)) 8vw;
                width: 100%;
                margin-top: auto;
                border-top: none;
                background: linear-gradient(180deg, rgba(10,10,12,0) 0%, rgba(10,10,12,0.25) 100%);
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
                opacity: 1;
                animation: none;
            }

            .manifest-footer .pc-copyright-prefix { display: none; }

            .manifest-footer .brand-text-fallback {
                display: block;
                font-size: 11px;
                font-weight: 500;
                letter-spacing: 0.3em;
                color: rgba(255, 255, 255, 0.5);
                text-transform: uppercase;
                text-decoration: none;
                margin-bottom: 0.1rem;
                padding: 12px 32px 12px 0;
                border-radius: 4px;
                position: relative;
                transition: color 0.3s ease, transform 0.3s ease;
                -webkit-tap-highlight-color: transparent;
            }

            .manifest-footer:active .slogan-tag {
                opacity: 0.2;
            }

            .manifest-footer .brand-text-fallback:active {
                color: #ffffff;
                transform: scale(0.97) translateX(2px);
                text-shadow: 0 0 14px rgba(var(--accent-primary-rgb), 0.3), 0 0 30px rgba(var(--accent-primary-rgb), 0.12);
            }

            .manifest-footer .brand-text-fallback:hover {
                color: rgba(255, 255, 255, 0.75);
                cursor: pointer;
            }

            .manifest-footer .slogan-tag {
                font-size: 1.1rem;
                line-height: 1.4;
                font-style: italic;
                color: var(--text-secondary);
                pointer-events: none;
            }
        }

        @media (max-width: 360px) {
            .main-title { font-size: 1.9rem; }
            .philosophical-slogan { font-size: 1.2rem; }
            .manifest-footer .slogan-tag { font-size: 1rem; }
            .vault-slogan { font-size: 0.95rem; margin: 0 0 1rem 0; max-width: 24ch; }
            html.page-ready .meta-header {
                animation: fadeInMaster 0.6s ease forwards;
            }
            html.page-ready .main-title {
                animation: fadeInMaster 0.6s ease forwards 0.1s;
                transform: none;
            }
            .main-title {
                background-size: 100% 100%;
            }
            .laser-divider {
                animation: none;
                opacity: 0.35;
                transform: scaleX(1);
            }
        }

        @media (min-width: 769px) and (orientation: landscape) and (max-height: 600px) {
            .vault-panel {
                max-height: 95vh;
                max-height: 95dvh;
            }
        }

        @keyframes stretchLine {
            from { transform: scaleX(0); }
            to { transform: scaleX(1); }
        }
        @keyframes slideUpMaster {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @keyframes fadeInMaster {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        @keyframes vaultContentReveal {
            from { opacity: 0; transform: translateY(18px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @keyframes ctaPulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.008); }
            100% { transform: scale(1); }
        }
        @keyframes ctaGlowBreathe {
            0%, 100% { text-shadow: 0 0 0 transparent; }
            50% { text-shadow: 0 0 18px rgba(var(--accent-highlight-rgb), 0.12); }
        }
        @keyframes vaultGlowBreathe {
            0%, 100% { opacity: 0.15; }
            50% { opacity: 0.35; }
        }
        @keyframes ctaShimmer {
            0% { background-position: -200% center; }
            100% { background-position: 200% center; }
        }
        @keyframes vaultProgressScan {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(200%); }
        }
        @keyframes dotGlow {
            0%, 100% { text-shadow: 0 0 8px currentColor, 0 0 24px rgba(255, 255, 255, 0.08); opacity: 1; }
            50% { text-shadow: 0 0 4px currentColor, 0 0 48px currentColor, 0 0 80px rgba(255, 255, 255, 0.04); opacity: 0.7; }
        }
        @keyframes laserFlow {
            0% { background-position: 0% 50%; }
            100% { background-position: 200% 50%; }
        }
        @keyframes titleBreathe {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.92; }
        }
        @keyframes titleGradientFlow {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        @keyframes laserBreathe {
            0%, 100% { opacity: 0.45; }
            50% { opacity: 0.25; }
        }
        @keyframes kenBurns {
            0% { transform: scale(1.03) translate(var(--px, 0px), calc(var(--py, 0px) + var(--parallax-y, 0px))); }
            100% { transform: scale(1.07) translate(calc(var(--px, 0px) - 8px), calc(var(--py, 0px) - 4px + var(--parallax-y, 0px))); }
        }

        @media (hover: hover) {
            .brand-signature-container:hover .brand-signature {
                color: var(--text-primary);
                letter-spacing: 0.38em;
                border-color: rgba(var(--accent-primary-rgb), 0.3);
                background: rgba(var(--accent-primary-rgb), 0.04);
                box-shadow: inset 0 1px 1px var(--surface-1), 0 0 25px rgba(var(--accent-primary-rgb), 0.15);
                transform: translateY(-2px);
            }

            .action-trigger:hover .circle-arrow {
                border-color: var(--accent-highlight);
                box-shadow: 0 0 30px rgba(var(--accent-highlight-rgb), 0.15);
                transform: scale(1.04);
            }
            .action-trigger:hover .circle-arrow svg {
                transform: translateX(6px);
                color: var(--accent-highlight);
            }
            .action-trigger:hover {
                color: var(--accent-highlight);
                letter-spacing: 0.14em;
            }
            .action-trigger:hover::after {
                background: linear-gradient(90deg, rgba(var(--accent-highlight-rgb),0) 0%, var(--accent-highlight) 25%, var(--accent-highlight) 75%, rgba(var(--accent-highlight-rgb),0) 100%);
                box-shadow: 0 1px 12px rgba(var(--accent-highlight-rgb), 0.25);
            }

            .vault-close-trigger:hover {
                color: var(--text-primary);
                border-color: var(--border-default);
                transform: rotate(90deg);
                background: var(--surface-1);
            }

            .gateway-row:hover {
                background: var(--surface-1);
                border-color: rgba(var(--accent-deep-rgb), 0.22);
                transform: translateY(-3px);
                box-shadow: 0 0 30px rgba(var(--accent-deep-rgb), 0.06), 0 8px 32px rgba(0, 0, 0, 0.3);
                transition: background var(--transition-hover-in), border-color var(--transition-hover-in), transform var(--transition-hover-in), box-shadow var(--transition-hover-in);
            }
            .gateway-row:hover::after { transform: translateX(200%); }
            .gateway-row:hover .row-desc { color: var(--text-primary); }
            .gateway-row:hover .row-meta svg { transform: translateX(4px); }
            .gateway-row:hover .row-meta img { opacity: 0.75; }
            .gateway-row.gateway-primary:hover .row-meta img { opacity: 0.85; }
            .gateway-row:hover .row-copy-hint { color: var(--text-secondary); }
            .gateway-row:hover .row-copy-hint svg { opacity: 0.7; }
            .gateway-row.gateway-primary:hover {
                border-color: rgba(var(--accent-primary-rgb), 0.25);
                background: rgba(var(--accent-primary-rgb), 0.04);
                box-shadow: 0 0 30px rgba(var(--accent-primary-rgb), 0.08), 0 8px 32px rgba(0, 0, 0, 0.3);
            }
            .platform-logos img:hover {
                filter: brightness(0) invert(1);
                opacity: 0.85;
                transform: translateY(-1px);
            }
        }

        @media (hover: none) {
            body::after { display: none; }
            .action-trigger:active .circle-arrow {
                border-color: var(--accent-primary);
                transform: scale(0.96);
            }
            .action-trigger:active {
                opacity: 0.7;
            }
            .gateway-row:active {
                background: var(--surface-2);
                border-color: rgba(var(--accent-deep-rgb), 0.28);
                box-shadow: 0 0 20px rgba(var(--accent-deep-rgb), 0.08);
                transform: scale(0.98);
            }
            .gateway-row.gateway-primary:active {
                border-color: rgba(var(--accent-primary-rgb), 0.3);
                background: rgba(var(--accent-primary-rgb), 0.06);
            }
            .vault-close-trigger:active {
                color: var(--text-primary);
                transform: rotate(90deg) scale(0.88);
                background: var(--surface-3);
                border-color: var(--border-emphasis);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            body::after { display: none; }
            .hero-bg { transform: none !important; }
            /* Disable all animations first */
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                animation-delay: 0s !important;
                transition-duration: 0.01ms !important;
            }
            /* Re-enable entry animations with shorter duration */
            html.page-ready .meta-header,
            html.page-ready .main-title,
            html.page-ready .brand-signature-container,
            html.page-ready .laser-divider,
            html.page-ready .content-manifest-row,
            html.page-ready .manifest-footer {
                animation-duration: 0.2s !important;
                animation-iteration-count: 1 !important;
            }
            html.page-ready .main-title {
                transform: none !important;
            }
            .vault-overlay.active .story-section > *,
            .vault-overlay.active .scroll-reveal.revealed {
                animation-duration: 0.2s !important;
                animation-iteration-count: 1 !important;
            }
            .main-stage { transform: none !important; filter: none !important; opacity: 1 !important; }
            .vault-panel { transform: none !important; transition-duration: 0.15s !important; }
            .vault-overlay { transition-duration: 0.15s !important; }
        }

        @media (-webkit-max-device-pixel-ratio: 1), (resolution < 2dppx) {
            .main-title { font-weight: 300; }
            .main-title span { font-weight: 600; }
        }

        @media (forced-colors: active) {
            .laser-divider {
                background: ButtonText;
            }
            .action-trigger .circle-arrow {
                border-color: ButtonText;
            }
            .vault-panel {
                border: 2px solid ButtonText;
            }
            .vault-close-trigger {
                border: 1px solid ButtonText;
            }
            .gateway-row {
                border-color: ButtonText;
            }
            .main-title .dot,
            .story-title .dot {
                text-shadow: none;
            }
        }

        @media (prefers-contrast: more) {
            ::selection {
                background: Highlight;
                color: HighlightText;
            }
            .story-p,
            .transition-preface p {
                color: #ffffff;
            }
            .main-title {
                -webkit-text-fill-color: #ffffff;
            }
            .laser-divider {
                opacity: 0.6;
            }
        }

        @media print {
            .vault-overlay,
            .skip-to-content,
            .action-trigger,
            .manifest-footer .brand-text-fallback,
            .vault-close-trigger,
            .brand-signature-container,
            body::before,
            body::after,
            .hero-bg {
                display: none !important;
            }
            body {
                background: #fff !important;
                color: #000 !important;
            }
            .main-stage {
                transform: none !important;
                filter: none !important;
                opacity: 1 !important;
            }
            .main-title {
                background: none !important;
                -webkit-text-fill-color: #000 !important;
                color: #000 !important;
            }
            .meta-header {
                color: #333 !important;
            }
            .laser-divider {
                background: #999 !important;
                opacity: 1 !important;
            }
            .philosophical-slogan,
            .manifest-footer .slogan-tag {
                color: #333 !important;
            }
            .manifest-footer {
                position: static !important;
                opacity: 1 !important;
                animation: none !important;
                color: #666 !important;
            }
            .manifest-footer .pc-copyright-prefix {
                color: #666 !important;
            }
        }

        .noscript-msg {
            position: fixed;
            inset: 0;
            z-index: 9999;
            background: var(--bg-dark);
            color: #a7a19c;
            font-family: Inter, sans-serif;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            text-align: center;
            font-size: 1.1rem;
            line-height: 1.8;
            display: none;
        }
        .noscript-msg-domain {
            color: var(--accent-deep);
            font-size: 0.75rem;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            margin-bottom: 1.5rem;
        }
        .noscript-msg-contact {
            margin-top: 1rem;
        }
        .noscript-msg-link {
            color: var(--accent-deep);
        }
        .noscript-msg-footer {
            margin-top: 2rem;
            font-size: 0.75rem;
            color: #7b7572;
        }