:root {
    --prot-bg: #0d0e10;
    --prot-fg: #f5f5f7;
    --prot-accent: #ff4e00;
    --prot-muted: #2a2c31;
    --prot-border: #3f4248;
    --prot-dim: #8e9196;
    --prot-gap: 2rem;
    --prot-radius: 0;
    --prot-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--prot-bg);
    color: var(--prot-fg);
    font-family: var(--prot-font);
    line-height: 1.6;
    overflow-x: hidden;
}

.protocol-environment {
    display: flex;
    flex-direction: column;
}

@media (min-width: 1024px) {
    .protocol-environment {
        flex-direction: row;
    }
}

.gate-panel {
    background: #000;
    border-bottom: 1px solid var(--prot-border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

@media (min-width: 1024px) {
    .gate-panel {
        width: 300px;
        height: 100vh;
        border-bottom: none;
        border-right: 1px solid var(--prot-border);
    }
}

.gate-identity {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.identity-mark {
    background: var(--prot-accent);
    color: #000;
    font-weight: 900;
    padding: 0.25rem 0.5rem;
    font-size: 1.2rem;
    letter-spacing: -1px;
}

.identity-title {
    font-size: 1.1rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
}

.gate-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

@media (min-width: 1024px) {
    .gate-links {
        flex-direction: column;
        margin-top: 2rem;
    }
}

.link-item {
    color: var(--prot-dim);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: 600;
    transition: color 0.2s;
}

.link-item:hover {
    color: var(--prot-accent);
}

.gate-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--prot-dim);
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: #00ff00;
    border-radius: 50%;
    box-shadow: 0 0 5px #00ff00;
}

.vessel-content {
    flex: 1;
    max-width: 100%;
}

@media (min-width: 1024px) {
    .vessel-content {
        max-width: calc(100vw - 300px);
    }
}

.masthead-assembly {
    padding: 4rem 1.5rem;
    border-bottom: 1px solid var(--prot-border);
    background-image: radial-gradient(var(--prot-muted) 1px, transparent 1px);
    background-size: 30px 30px;
}

@media (min-width: 768px) {
    .masthead-assembly {
        padding: 6rem 4rem;
    }
}

.assembly-meta {
    font-size: 0.8rem;
    color: var(--prot-accent);
    margin-bottom: 1rem;
    font-family: monospace;
}

.assembly-title {
    font-size: 3rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 2rem;
    max-width: 800px;
}

.assembly-lead {
    font-size: 1.25rem;
    color: var(--prot-dim);
    max-width: 650px;
    margin-bottom: 3rem;
}

.assembly-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.action-trigger {
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: transform 0.2s;
}

.action-trigger.primary {
    background: var(--prot-fg);
    color: #000;
}

.action-trigger.secondary {
    border: 1px solid var(--prot-border);
    color: var(--prot-fg);
}

.action-trigger:hover {
    transform: translateY(-2px);
}

.node-cluster {
    padding: 4rem 1.5rem;
    border-bottom: 1px solid var(--prot-border);
}

@media (min-width: 768px) {
    .node-cluster {
        padding: 6rem 4rem;
    }
}

.cluster-label {
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--prot-dim);
    margin-bottom: 3rem;
}

.node-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 768px) {
    .node-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.node-item {
    border-left: 2px solid var(--prot-accent);
    padding-left: 1.5rem;
}

.node-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.node-text {
    color: var(--prot-dim);
    font-size: 0.95rem;
}

.assembly-visual {
    background: #000;
    padding: 2rem 0;
}

.visual-container {
    max-width: 1200px;
    margin: 0 auto;
}

.visual-asset {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(0.5) contrast(1.1);
}

.visual-note {
    padding: 1rem;
    font-size: 0.8rem;
    color: var(--prot-dim);
    font-style: italic;
    text-align: right;
}

.syllabus-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .syllabus-grid {
        grid-template-columns: 1.5fr 1fr;
        align-items: center;
    }
}

.syllabus-ledger {
    max-width: 100%;
}

.ledger-row {
    display: flex;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--prot-muted);
}

.ledger-index {
    font-size: 2rem;
    font-weight: 800;
    color: var(--prot-muted);
}

.ledger-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.ledger-desc {
    color: var(--prot-dim);
}

.visual-asset-inset {
    width: 100%;
    height: auto;
    border: 1px solid var(--prot-border);
    padding: 0.5rem;
    background: #000;
}

.node-cluster.alt-bg {
    background: #151619;
}

.delivery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .delivery-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.delivery-assembly {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.assembly-card {
    background: #000;
    border: 1px solid var(--prot-border);
    padding: 2.5rem;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card-text {
    color: var(--prot-dim);
    margin-bottom: 2rem;
}

.card-meta {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--prot-accent);
}

.command-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

@media (min-width: 1024px) {
    .command-grid {
        grid-template-columns: 1.5fr 1fr;
    }
}

.command-title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.command-intro {
    color: var(--prot-dim);
    margin-bottom: 2.5rem;
}

.protocol-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--prot-dim);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background: #000;
    border: 1px solid var(--prot-border);
    color: var(--prot-fg);
    padding: 0.75rem;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--prot-accent);
}

.form-submit {
    background: var(--prot-accent);
    color: #000;
    border: none;
    padding: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
    margin-top: 1rem;
}

.success-alert {
    background: #1a3a1a;
    border: 1px solid #00ff00;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.success-mark {
    color: #00ff00;
    font-weight: 900;
}

.command-info {
    padding: 2.5rem;
    background: var(--prot-muted);
}

.operator-address {
    font-style: normal;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-link {
    display: block;
    background: #000;
    padding: 1rem;
    text-align: center;
    color: var(--prot-fg);
    text-decoration: none;
    font-weight: 700;
    margin-bottom: 2rem;
}

.operator-notice {
    font-size: 0.85rem;
    color: var(--prot-dim);
    margin-bottom: 2rem;
}

.legal-nav {
    display: flex;
    gap: 1.5rem;
}

.legal-nav a {
    color: var(--prot-dim);
    font-size: 0.8rem;
    text-decoration: underline;
}

.ledger-footer {
    padding: 3rem 1.5rem;
    border-top: 1px solid var(--prot-border);
    color: var(--prot-muted);
    font-size: 0.8rem;
}

@media (min-width: 768px) {
    .ledger-footer {
        padding: 4rem;
    }
}

.footer-wrap {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.gate-overlay {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    background: rgba(0,0,0,0.9);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--prot-accent);
    z-index: 1000;
    display: flex;
    justify-content: center;
}

.gate-box {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .gate-box {
        flex-direction: row;
        align-items: center;
    }
}

.gate-title {
    font-size: 1rem;
    text-transform: uppercase;
    color: var(--prot-accent);
}

.gate-text {
    font-size: 0.85rem;
    color: var(--prot-dim);
}

.gate-btn {
    background: var(--prot-fg);
    color: #000;
    border: none;
    padding: 0.5rem 1rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    white-space: nowrap;
}

[hidden] {
    display: none !important;
}