/* ==========================================================================
           CipherWave Design System & Variables
           ========================================================================== */
        :root {
            /* Color Palette - Flagship Stage (Morandi/Dark Theme) */
            --cyan-base: #52c1d2;
            --cyan-hover: #65d4e5;
            --cyan-glow: rgba(82, 193, 210, 0.15);
            --cyan-deep: #1e454b;
            
            --dark-base: #0a0d14;
            --dark-surface: #121620;
            --dark-elevated: #1a1f2e;
            
            --text-main: #f0f4f8;
            --text-muted: #8b96a8;
            
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-focus: rgba(82, 193, 210, 0.3);

            /* Typography */
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            
            /* Geometry */
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            
            /* Shadows - Rich Layers */
            --shadow-base: 0 10px 30px rgba(0, 0, 0, 0.4);
            --shadow-float: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border-subtle);
            --shadow-glow: 0 0 20px var(--cyan-glow);
            
            /* Animation */
            --motion: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        /* ==========================================================================
           Reset & Base Rules
           ========================================================================== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--dark-base);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        /* Enforce Typography Word-break Rules */
        .byte, .crown, p, h1, h2, h3, h4 {
            word-break: break-word;
            overflow-wrap: break-word;
        }
        
        /* Chinese typography adjustment */
        .byte {
            word-break: keep-all;
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        .crown {
            white-space: normal;
            color: var(--text-main);
            font-weight: 700;
            line-height: 1.2;
        }

        /* ==========================================================================
           Header & Navigation (peak & sonar)
           ========================================================================== */
        .peak {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(10, 13, 20, 0.7);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
        }

        .sonar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1320px;
            margin: 0 auto;
            padding: 16px 40px;
            min-width: 0;
        }

        .crest {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .crest img {
            height: 32px;
            width: auto;
            display: block;
        }

        .web {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            min-width: 0;
            align-items: center;
        }

        .wire {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
            transition: color var(--motion);
            position: relative;
            padding: 4px 0;
        }

        .wire:hover, .wire.active {
            color: var(--text-main);
        }

        .wire.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--cyan-base);
            border-radius: 2px;
        }

        /* ==========================================================================
           Hero Section (vault) - Prototype: card_float
           ========================================================================== */
        .vault {
            position: relative;
            min-height: 100vh;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            padding: 120px 40px 80px;
            background: radial-gradient(circle at 80% 20%, var(--cyan-deep) 0%, var(--dark-base) 60%);
            overflow: hidden;
        }

        /* Background texture/layer for the stage */
        .vault::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 55vw;
            height: 100%;
            background-image: linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px),
                              linear-gradient(var(--border-subtle) 1px, transparent 1px);
            background-size: 60px 60px;
            opacity: 0.3;
            transform: perspective(1000px) rotateY(-20deg) scale(1.2);
            z-index: 0;
        }

        .vault-inner {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            position: relative;
            z-index: 10;
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

        /* Floating Card - The core of card_float prototype */
        .vault-case {
            background: rgba(18, 22, 32, 0.85);
            backdrop-filter: blur(24px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 64px;
            max-width: 700px;
            box-shadow: var(--shadow-float);
            margin-top: 4vh;
            /* Overlapping the background grid conceptually */
            position: relative;
        }

        .vault-case .crown {
            font-size: clamp(2.5rem, 5vw, 4rem);
            margin-bottom: 24px;
            letter-spacing: -0.02em;
        }

        .vault-case .byte {
            font-size: 1.25rem;
            margin-bottom: 48px;
            max-width: 90%;
        }

        /* Data Status Panels - Fulfilling data_ui carrier & page_sections */
        .vault-status-pod {
            position: absolute;
            right: 5%;
            top: 50%;
            transform: translateY(-50%);
            display: flex;
            flex-direction: column;
            gap: 24px;
            z-index: 20;
        }

        .shard {
            background: var(--dark-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px 32px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: var(--shadow-base);
            min-width: 320px;
            transition: transform var(--motion), border-color var(--motion);
        }

        .shard:hover {
            transform: translateX(-10px);
            border-color: var(--border-focus);
        }

        .shard-glyph {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--cyan-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan-base);
        }

        .shard-info {
            display: flex;
            flex-direction: column;
        }

        .shard-info .byte {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 4px;
        }

        .shard-info .crown {
            font-size: 1.4rem;
            font-weight: 600;
        }

        /* Button Component (latch) */
        .latch {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 18px 40px;
            background: var(--cyan-base);
            color: var(--dark-base);
            font-weight: 600;
            font-size: 1.1rem;
            border-radius: var(--radius-sm);
            transition: all var(--motion);
            box-shadow: 0 4px 15px rgba(82, 193, 210, 0.3);
            border: none;
            cursor: pointer;
        }

        .latch:hover {
            background: var(--cyan-hover);
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(82, 193, 210, 0.5);
        }

        /* ==========================================================================
           Capability Section (mesh) - <div>
           ========================================================================== */
        .mesh {
            padding: 140px 40px;
            background: var(--dark-surface);
            position: relative;
        }

        .mesh-case {
            max-width: 1320px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 80px;
            align-items: center;
        }

        .mesh-case {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .mesh-case .crown {
            font-size: 2.8rem;
        }

        .packet-pod {
            display: flex;
            flex-direction: column;
            gap: 24px;
            margin-top: 16px;
        }

        .packet {
            background: var(--dark-base);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 32px;
            transition: all var(--motion);
            position: relative;
            overflow: hidden;
        }

        .packet::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--cyan-base);
            opacity: 0;
            transition: opacity var(--motion);
        }

        .packet:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-base);
        }

        .packet:hover::before {
            opacity: 1;
        }

        .packet .crown {
            font-size: 1.3rem;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* Image treatment as UI */
        .lens-case {
            position: relative;
            border-radius: var(--radius-lg);
            padding: 16px;
            background: linear-gradient(145deg, var(--dark-elevated), var(--dark-base));
            box-shadow: var(--shadow-float);
            border: 1px solid var(--border-subtle);
        }

        .lens {
            width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            display: block;
            border: 1px solid rgba(0,0,0,0.5);
        }

        /* ==========================================================================
           Pathway Section (tube) - <aside>
           ========================================================================== */
        .tube {
            padding: 140px 40px;
            background: var(--dark-base);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .tube-case {
            max-width: 1320px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 80px;
        }

        .tube-visual {
            flex: 1;
            min-width: 320px;
        }

        .tube-case {
            flex: 1;
            min-width: 320px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .tube-case .crown {
            font-size: 2.8rem;
        }

        /* ==========================================================================
           Proof Section (pod) - <article>
           ========================================================================== */
        .pod {
            padding: 140px 40px;
            background: var(--dark-surface);
        }

        .pod-case {
            max-width: 1320px;
            margin: 0 auto;
        }

        .pod-peak {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 80px;
        }

        .pod-peak .crown {
            font-size: 2.8rem;
            margin-bottom: 24px;
        }

        .node-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }

        .node {
            background: var(--dark-base);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform var(--motion), box-shadow var(--motion);
        }

        .node:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-float);
        }

        .node-lens {
            width: 100%;
            height: 240px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-subtle);
        }

        .node-body {
            padding: 40px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .node-body .crown {
            font-size: 1.5rem;
            margin-bottom: 16px;
        }
        
        .node-meta {
            margin-top: auto;
            padding-top: 24px;
            font-size: 0.9rem;
            color: var(--cyan-base);
            font-weight: 500;
        }

        /* ==========================================================================
           Footer (anchor & crypt) - <section>
           ========================================================================== */
        .anchor {
            background: var(--dark-base);
            padding: 80px 40px 40px;
            border-top: 1px solid var(--border-subtle);
        }

        .crypt {
            max-width: 1320px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 60px;
        }

        .crypt-brand .crown {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .crypt-band {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .crypt-band .crown {
            font-size: 1.1rem;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .crypt-wire {
            color: var(--text-muted);
            transition: color var(--motion);
        }

        .crypt-wire:hover {
            color: var(--cyan-base);
        }

        .sole {
            max-width: 1320px;
            margin: 60px auto 0;
            padding-top: 32px;
            border-top: 1px solid var(--border-subtle);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* ==========================================================================
           Responsive Design
           ========================================================================== */
        @media (max-width: 1024px) {
            .vault-status-pod {
                position: relative;
                right: auto;
                top: auto;
                transform: none;
                flex-direction: row;
                margin-top: 40px;
                width: 100%;
                justify-content: flex-start;
            }
            .vault-case {
                margin-left: 0;
            }
            .crypt {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .sonar {
                flex-direction: column;
                padding: 16px 20px;
                gap: 16px;
            }
            .vault {
                padding: 140px 20px 60px;
            }
            .vault-case {
                padding: 40px 24px;
            }
            .vault-status-pod {
                flex-direction: column;
            }
            .mesh, .tube, .pod {
                padding: 80px 20px;
            }
            .tube-case {
                flex-direction: column-reverse;
            }
            .crypt {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

.sonar-peak {
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--text-main);
}
.sonar-peak,
.sonar-peak *,
.sonar-peak *::before,
.sonar-peak *::after {
    box-sizing: border-box;
}

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

.sonar-peak p,
.sonar-peak h1,
.sonar-peak h2,
.sonar-peak h3,
.sonar-peak h4,
.sonar-peak h5,
.sonar-peak h6 {
    text-decoration: none;
}

.sonar-peak img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.sonar-peak {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.sonar-peak a.sonar-wire {
    --aisite-shell-nav-padding: 4px 0;
    --aisite-shell-nav-margin: 0;
    --aisite-shell-nav-line-height: normal;
    --aisite-shell-nav-display: inline;
    --aisite-shell-nav-height: auto;
    --aisite-shell-nav-min-height: auto;
}

.sonar-peak a.sonar-wire,
.sonar-peak a.sonar-wire:hover,
.sonar-peak a.sonar-wire:focus,
.sonar-peak a.sonar-wire:active,
.sonar-peak a.sonar-wire.active,
.sonar-peak a.sonar-wire[aria-current="page"] {
    background: transparent;
    border: none;
    border-bottom: none;
    box-shadow: none;
    outline: none;
    text-decoration: none;
    padding: var(--aisite-shell-nav-padding, 0);
    margin: var(--aisite-shell-nav-margin, 0);
    line-height: var(--aisite-shell-nav-line-height, normal);
    display: var(--aisite-shell-nav-display, inline);
    height: var(--aisite-shell-nav-height, auto);
    min-height: var(--aisite-shell-nav-min-height, auto);
}

.sonar-peak{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(10, 13, 20, 0.7);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

.sonar-peak .sonar-sonar{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1320px;
            margin: 0 auto;
            padding: 16px 40px;
            min-width: 0;
        }

.sonar-peak .sonar-crest{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.sonar-peak .sonar-crest img{
            height: 32px;
            width: auto;
            display: block;
        }

.sonar-peak .sonar-web{
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            min-width: 0;
            align-items: center;
        }

.sonar-peak .sonar-wire{
            font-size: 0.95rem;
            color: #8b96a8;
            font-weight: 500;
            transition: color 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
            position: relative;
            padding: 4px 0;
        }

.sonar-peak .sonar-wire:hover, .sonar-peak .sonar-wire.active{
            color: #f0f4f8;
        }

.sonar-peak .sonar-wire.active::after{
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #52c1d2;
            border-radius: 2px;
        }

@media (max-width: 768px){.sonar-peak .sonar-sonar{
                flex-direction: column;
                padding: 16px 20px;
                gap: 16px;
            }}

.sonar-peak {
    background: rgb(10, 13, 20);
    background-image: none;
}

.anchor-anchor {
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--text-main);
}
.anchor-anchor,
.anchor-anchor *,
.anchor-anchor *::before,
.anchor-anchor *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.anchor-anchor .anchor-byte, .anchor-anchor .anchor-crown{
            word-break: break-word;
            overflow-wrap: break-word;
        }

.anchor-anchor .anchor-byte{
            word-break: keep-all;
            color: #8b96a8;
            font-size: 1.05rem;
        }

.anchor-anchor .anchor-crown{
            white-space: normal;
            color: #f0f4f8;
            font-weight: 700;
            line-height: 1.2;
        }

.anchor-anchor{
            background: #0a0d14;
            padding: 80px 40px 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

.anchor-anchor .anchor-crypt{
            max-width: 1320px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 60px;
        }

.anchor-anchor .anchor-crypt-brand .anchor-crown{
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: #f0f4f8;
        }

.anchor-anchor .anchor-crypt-band{
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

.anchor-anchor .anchor-crypt-band .anchor-crown{
            font-size: 1.1rem;
            color: #f0f4f8;
            margin-bottom: 8px;
        }

.anchor-anchor .anchor-crypt-wire{
            color: #8b96a8;
            transition: color 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

.anchor-anchor .anchor-crypt-wire:hover{
            color: #52c1d2;
        }

.anchor-anchor .anchor-sole{
            max-width: 1320px;
            margin: 60px auto 0;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            color: #8b96a8;
            font-size: 0.9rem;
        }

@media (max-width: 1024px){.anchor-anchor .anchor-crypt{
                grid-template-columns: 1fr 1fr;
            }}

@media (max-width: 768px){.anchor-anchor .anchor-crypt{
                grid-template-columns: 1fr;
                gap: 40px;
            }}