/* Base Variables - Inherited from visual contract */
        :root {
            --color-bg-deep: #050508;
            --color-bg-shell: #0d0e15;
            --color-bg-raised: #151722;
            --color-primary: #3f36bf;
            --color-primary-glow: rgba(63, 54, 191, 0.4);
            --color-primary-light: #5c52e6;
            --color-echo-bright: #ffffff;
            --color-echo-muted: #9aa0b8;
            --color-echo-dim: #5c627a;
            --color-border: rgba(255, 255, 255, 0.06);
            --radius-base: 16px;
            --radius-large: 22px;
            --shadow-float: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--color-border) inset;
            --shadow-glow: 0 4px 20px var(--color-primary-glow);
            --transition: 0.15s ease;
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        /* Reset & Base Setup */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            min-width: 0; /* Flex safety */
        }

        body {
            background-color: var(--color-bg-deep);
            color: var(--color-echo-muted);
            font-family: var(--font-family);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all var(--transition);
        }

        img, svg {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* Flex Utilities */
        .cluster-flex {
            display: flex;
            flex-wrap: wrap;
        }

        /* Typography */
        .apex-giant {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 800;
            line-height: 1.1;
            color: var(--color-echo-bright);
            margin-bottom: 24px;
            letter-spacing: -0.03em;
            white-space: normal;
        }

        .apex-prime {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-echo-bright);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .apex-minor {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-echo-bright);
            margin-bottom: 12px;
        }

        .echo-lead {
            font-size: clamp(1.125rem, 2vw, 1.25rem);
            color: var(--color-echo-muted);
            margin-bottom: 32px;
            max-width: 800px;
            margin-inline: auto;
        }

        /* Layout Shell */
        .tunnel-core {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            gap: 120px;
            padding-bottom: 120px;
        }

        /* Navigation (Provided structure) */
        .prow-zone {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 5, 8, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 24px;
        }
        
        .helm-mesh {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1280px;
            margin: 0 auto;
            flex-wrap: wrap;
            gap: 16px;
        }

        .crest-husk {
            height: 32px;
        }

        .crest-husk img {
            height: 100%;
            width: auto;
        }

        .radar-cluster {
            display: flex;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
        }

        .radar-wire {
            color: var(--color-echo-muted);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 8px;
        }

        .radar-wire:hover {
            color: var(--color-echo-bright);
            background: rgba(255, 255, 255, 0.05);
        }

        .radar-wire.active {
            color: var(--color-echo-bright);
            background: rgba(63, 54, 191, 0.15);
            border: 1px solid rgba(63, 54, 191, 0.3);
        }

        /* Hero Zone: Vertical Stack */
        .portal-zone {
            padding-top: 100px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            position: relative;
        }

        .portal-zone::before {
            content: '';
            position: absolute;
            top: -20%;
            left: 50%;
            transform: translateX(-50%);
            width: 80vw;
            height: 80vw;
            background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 60%);
            opacity: 0.3;
            z-index: -1;
            pointer-events: none;
        }

        .portal-husk {
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 48px;
        }

        .portal-lens {
            width: 100%;
            max-width: 1000px;
            border-radius: var(--radius-large);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-float);
            overflow: hidden;
            background: var(--color-bg-shell);
            position: relative;
        }
        
        .portal-lens::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, var(--color-bg-deep) 100%);
            pointer-events: none;
        }

        /* Button / Action Latch */
        .latch-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            background: var(--color-primary);
            color: var(--color-echo-bright);
            font-weight: 600;
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.1);
            box-shadow: 0 4px 15px rgba(63, 54, 191, 0.3);
            cursor: pointer;
            gap: 8px;
        }

        .latch-primary:hover {
            background: var(--color-primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(63, 54, 191, 0.5);
        }

        .latch-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            background: rgba(255, 255, 255, 0.03);
            color: var(--color-echo-bright);
            font-weight: 500;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            cursor: pointer;
            gap: 8px;
        }
        
        .latch-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
        }

        /* Platform Matrix (Comparison Aside) */
        .cloak-zone {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .cloak-apex {
            text-align: center;
            margin-bottom: 16px;
        }

        .shard-cluster {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        /* Card Shard Syntax */
        .node-shard {
            background: var(--color-bg-shell);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-base);
            padding: 40px 32px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            position: relative;
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .node-shard::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .node-shard:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, 0.15);
            box-shadow: var(--shadow-float);
        }

        .node-shard:hover::before {
            opacity: 1;
        }

        .glyph-major {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: var(--color-bg-raised);
            border: 1px solid var(--color-border);
            margin-bottom: 24px;
            color: var(--color-echo-bright);
        }

        .glyph-major svg {
            width: 28px;
            height: 28px;
            fill: currentColor;
        }
        
        .node-shard .echo-dim {
            margin-bottom: 32px;
            flex-grow: 1;
        }

        /* Steps (Vault Zone) */
        .vault-zone {
            background: var(--color-bg-shell);
            border-radius: var(--radius-large);
            border: 1px solid var(--color-border);
            padding: 64px 48px;
            display: flex;
            flex-direction: column;
            gap: 48px;
            position: relative;
            overflow: hidden;
        }

        .vault-zone::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 50%;
            height: 50%;
            background: radial-gradient(circle at bottom right, rgba(63, 54, 191, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .packet-cluster {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 32px;
            position: relative;
        }

        .packet-ping {
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
            z-index: 1;
        }

        .glyph-step {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-bg-raised);
            border: 1px solid var(--color-primary-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary-light);
            box-shadow: 0 0 15px rgba(63, 54, 191, 0.15) inset;
        }

        /* Footer */
        .wake-zone {
            border-top: 1px solid var(--color-border);
            padding: 48px 24px;
            margin-top: 64px;
        }

        .anchor-crypt {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }
        
        .anchor-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-echo-bright);
            letter-spacing: -0.02em;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .tunnel-core {
                gap: 80px;
                padding-bottom: 80px;
            }
            .prow-zone {
                padding: 12px 16px;
            }
            .radar-cluster {
                display: none; /* Mobile menu hidden for simplicity in this artifact, usually handled by JS toggle */
            }
            .portal-zone {
                padding-top: 60px;
            }
            .vault-zone {
                padding: 40px 24px;
            }
            .shard-cluster, .packet-cluster {
                grid-template-columns: 1fr;
            }
            .anchor-crypt {
                flex-direction: column;
                text-align: center;
            }
        }

.helm-prow-zone{
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(5, 5, 8, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 0;
        }

.helm-prow-zone .helm-helm-mesh{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px;
            gap: 32px;
        }

.helm-prow-zone .helm-crest-husk{
            display: flex;
            align-items: center;
            min-width: 120px;
        }

.helm-prow-zone .helm-crest-husk img{
            height: 32px;
            width: auto;
            object-fit: contain;
        }

.helm-prow-zone .helm-radar-cluster{
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
        }

.helm-prow-zone .helm-radar-wire{
            color: #9aa0b8;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.15s ease;
            padding: 8px 0;
            position: relative;
        }

.helm-prow-zone .helm-radar-wire:hover, .helm-prow-zone .helm-radar-wire.active{
            color: #ffffff;
        }

.helm-prow-zone .helm-radar-wire.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: #5c52e6;
            border-radius: 2px;
        }

@media (max-width: 768px){.helm-prow-zone .helm-helm-mesh{
                flex-direction: column;
                gap: 16px;
            }

.helm-prow-zone .helm-radar-cluster{
                justify-content: center;
                gap: 16px;
            }}

.helm-prow-zone {
    background: rgb(5, 5, 8);
    background-image: none;
}

.anchor-wake-zone,
.anchor-wake-zone *,
.anchor-wake-zone *::before,
.anchor-wake-zone *::after {
    box-sizing: border-box;
}

.anchor-wake-zone nav,
.anchor-wake-zone div,
.anchor-wake-zone section,
.anchor-wake-zone article,
.anchor-wake-zone aside,
.anchor-wake-zone p,
.anchor-wake-zone h1,
.anchor-wake-zone h2,
.anchor-wake-zone h3,
.anchor-wake-zone h4,
.anchor-wake-zone h5,
.anchor-wake-zone h6,
.anchor-wake-zone a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.anchor-wake-zone p,
.anchor-wake-zone h1,
.anchor-wake-zone h2,
.anchor-wake-zone h3,
.anchor-wake-zone h4,
.anchor-wake-zone h5,
.anchor-wake-zone h6 {
    text-decoration: none;
}

.anchor-wake-zone img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.anchor-wake-zone {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.anchor-wake-zone a,
.anchor-wake-zone a:hover,
.anchor-wake-zone a:focus,
.anchor-wake-zone a:active {
    background: transparent;
    box-shadow: none;
    outline: none;
    text-decoration: none;
}

.anchor-wake-zone .anchor-echo-core{
            font-size: 1rem;
            color: #9aa0b8;
            margin: 0 0 16px;
            line-height: 1.7;
        }

.anchor-wake-zone .anchor-tunnel-core{
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px;
        }

.anchor-wake-zone{
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            background: #050508;
            padding: 64px 0 32px;
        }

.anchor-wake-zone .anchor-anchor-crypt{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-start;
            gap: 32px;
        }

.anchor-wake-zone .anchor-crypt-col{
            flex: 1 1 200px;
            min-width: 0;
        }

.anchor-wake-zone .anchor-crypt-brand{
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

.anchor-wake-zone .anchor-crypt-apex{
            font-size: 1rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 16px;
        }

.anchor-wake-zone .anchor-crypt-wire{
            display: block;
            color: #5c627a;
            text-decoration: none;
            margin-bottom: 8px;
            transition: all 0.15s ease;
            font-size: 0.9rem;
        }

.anchor-wake-zone .anchor-crypt-wire:hover{
            color: #5c52e6;
        }

.anchor-wake-zone .anchor-crypt-bottom{
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            color: #5c627a;
            font-size: 0.85rem;
        }

@media (max-width: 768px){.anchor-wake-zone .anchor-anchor-crypt{
                flex-direction: column;
            }}