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1442 lines (1349 loc) · 56.9 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>j-stack · Claude Code for Enterprise PoC</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link href="https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&family=DM+Mono:wght@400;500&display=swap" rel="stylesheet">
<style>
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
--bg: #080d19;
--surface: #0f1729;
--surface2: #162035;
--surface3: #1d2a45;
--border: rgba(99,102,241,0.15);
--border2: rgba(255,255,255,0.06);
--indigo: #6366f1;
--indigo-dim: rgba(99,102,241,0.10);
--indigo-glow: rgba(99,102,241,0.35);
--cyan: #22d3ee;
--cyan-dim: rgba(34,211,238,0.1);
--green: #34d399;
--green-dim: rgba(52,211,153,0.10);
--amber: #fbbf24;
--amber-dim: rgba(251,191,36,0.10);
--text: #e2e8f0;
--text-dim: #94a3b8;
--text-dimmer: #475569;
--radius: 14px;
--radius-sm: 8px;
--max-w: 1100px;
}
html { scroll-behavior: smooth; }
body {
font-family: 'DM Sans', sans-serif;
background: var(--bg);
color: var(--text);
min-height: 100vh;
line-height: 1.6;
}
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
@keyframes fade-in-up {
from { opacity: 0; transform: translateY(16px); }
to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-dot {
0%, 100% { opacity: 1; }
50% { opacity: 0.3; }
}
@keyframes shimmer-border {
0% { opacity: 0.4; }
50% { opacity: 1; }
100% { opacity: 0.4; }
}
/* Shared primitives */
.mono { font-family: 'DM Mono', monospace; }
.label {
font-size: 11px;
font-weight: 600;
letter-spacing: 0.08em;
text-transform: uppercase;
color: var(--text-dimmer);
}
.card {
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius);
overflow: hidden;
}
.card.accent {
border-color: rgba(99,102,241,0.3);
}
.section-divider {
display: flex;
align-items: center;
gap: 16px;
margin-bottom: 32px;
}
.section-divider .label { white-space: nowrap; }
/* Nav */
nav {
position: fixed;
top: 0; left: 0; right: 0;
z-index: 100;
background: transparent;
backdrop-filter: none;
border-bottom: 1px solid transparent;
transition: all 0.3s ease;
padding: 0 40px;
}
nav.scrolled {
background: rgba(8,13,25,0.92);
backdrop-filter: blur(12px);
border-bottom: 1px solid var(--border2);
}
.nav-inner {
max-width: var(--max-w);
margin: 0 auto;
height: 56px;
display: flex;
align-items: center;
justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-badge {
font-size: 10px;
font-weight: 600;
letter-spacing: 0.08em;
text-transform: uppercase;
color: var(--text-dimmer);
background: var(--surface2);
border: 1px solid var(--border2);
border-radius: 4px;
padding: 2px 6px;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
font-size: 13px;
color: var(--text-dim);
text-decoration: none;
transition: color 0.2s;
font-weight: 400;
}
.nav-links a:hover { color: var(--text); }
.nav-github {
display: flex;
align-items: center;
gap: 6px;
font-size: 12px;
color: var(--text-dim);
text-decoration: none;
background: var(--surface2);
border: 1px solid var(--border2);
border-radius: var(--radius-sm);
padding: 6px 12px;
transition: all 0.2s;
}
.nav-github:hover { border-color: rgba(99,102,241,0.4); color: var(--text); }
/* Hero */
.hero {
padding-top: 140px;
padding-bottom: 80px;
padding-left: 40px;
padding-right: 40px;
max-width: var(--max-w);
margin: 0 auto;
animation: fade-in-up 0.7s ease both;
}
.hero-eyebrow { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; }
.pulse-dot {
display: inline-block;
width: 6px; height: 6px;
border-radius: 50%;
background: var(--indigo);
animation: pulse-dot 2s ease infinite;
}
.hero h1 {
font-size: clamp(52px, 8vw, 88px);
font-weight: 300;
letter-spacing: -0.03em;
line-height: 1.0;
margin-bottom: 20px;
color: var(--text);
}
.hero-sub {
font-size: clamp(16px, 2.5vw, 22px);
color: var(--text-dim);
font-weight: 300;
max-width: 640px;
margin-bottom: 60px;
line-height: 1.5;
}
.hero-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
gap: 1px;
background: var(--border2);
border: 1px solid var(--border2);
border-radius: var(--radius);
overflow: hidden;
}
.hero-card {
padding: 28px 32px;
background: var(--surface);
border-right: 1px solid var(--border2);
}
.hero-num {
font-family: 'DM Mono', monospace;
font-size: 11px;
color: var(--indigo);
margin-bottom: 12px;
display: block;
font-weight: 500;
}
.hero-card p { font-size: 14px; color: var(--text-dim); line-height: 1.6; font-weight: 400; }
/* Sections */
.section { padding: 60px 40px; max-width: var(--max-w); margin: 0 auto; }
/* What it is */
.what-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; align-items: start; }
.what-left p { font-size: 13px; color: var(--text-dimmer); line-height: 1.7; }
.what-right { display: flex; flex-direction: column; gap: 16px; }
.what-right > p { font-size: 16px; color: var(--text-dim); line-height: 1.8; font-weight: 300; }
.what-right > p span { color: var(--text); }
.mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mini-card {
background: var(--surface2);
border: 1px solid var(--border2);
border-radius: var(--radius-sm);
padding: 14px 16px;
}
.mini-card-title { font-size: 12px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.mini-card p { font-size: 12px; color: var(--text-dimmer); line-height: 1.6; }
/* Building blocks */
.blocks-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-bottom: 16px; }
.block-card { display: flex; flex-direction: column; }
.block-header {
padding: 20px 24px;
border-bottom: 1px solid var(--border2);
display: flex;
align-items: center;
justify-content: space-between;
}
.block-body { padding: 18px 24px; flex: 1; }
.block-body p { font-size: 13px; color: var(--text-dim); line-height: 1.7; }
.block-footer { padding: 12px 24px; border-top: 1px solid var(--border2); }
.block-footer a { font-size: 11px; text-decoration: none; font-family: 'DM Mono', monospace; }
.badge {
font-size: 10px;
font-weight: 600;
letter-spacing: 0.06em;
text-transform: uppercase;
border-radius: 4px;
padding: 2px 7px;
}
.blocks-summary {
padding: 20px 28px;
background: var(--surface);
border: 1px solid var(--border2);
border-radius: var(--radius);
}
.blocks-summary p { font-size: 14px; color: var(--text-dim); line-height: 1.7; }
.blocks-summary span { color: var(--text); }
/* SDLC */
.sdlc-table { margin-bottom: 16px; }
.sdlc-header {
display: grid;
grid-template-columns: 200px 110px 1fr 2fr;
gap: 0;
padding: 10px 20px;
background: var(--surface2);
border: 1px solid var(--border);
border-radius: var(--radius) var(--radius) 0 0;
}
.sdlc-row {
display: grid;
grid-template-columns: 200px 110px 1fr 2fr;
gap: 0;
padding: 14px 20px;
border: 1px solid var(--border);
border-top: none;
transition: background 0.15s;
cursor: default;
align-items: center;
}
.sdlc-row:hover { background: var(--surface2); }
.sdlc-row.even { background: var(--surface); }
.sdlc-row.even:hover { background: var(--surface2); }
.sdlc-row:last-child { border-radius: 0 0 var(--radius) var(--radius); }
.sdlc-phase-name { font-size: 13px; color: var(--text-dim); transition: color 0.15s; }
.sdlc-row:hover .sdlc-phase-name { color: var(--text); }
.stage-badge {
font-family: 'DM Mono', monospace;
font-size: 11px;
font-weight: 500;
border-radius: 4px;
padding: 2px 8px;
display: inline-block;
align-self: center;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 4px 6px; }
.skill-tag {
font-family: 'DM Mono', monospace;
font-size: 10px;
color: var(--text-dimmer);
background: var(--surface2);
border: 1px solid var(--border2);
border-radius: 3px;
padding: 2px 6px;
}
.sdlc-pm { font-size: 12px; color: var(--text-dimmer); line-height: 1.6; }
.out-of-scope {
margin-bottom: 32px;
padding: 14px 20px;
background: transparent;
border: 1px solid var(--border2);
border-radius: var(--radius-sm);
display: flex;
align-items: center;
gap: 16px;
flex-wrap: wrap;
}
.oos-tag {
font-size: 11px;
color: var(--text-dimmer);
background: var(--surface2);
border: 1px solid var(--border2);
border-radius: 3px;
padding: 2px 8px;
font-family: 'DM Mono', monospace;
}
.oos-note { font-size: 11px; color: var(--text-dimmer); margin-left: auto; }
.pm-principles { margin-top: 4px; }
.pm-label { margin-bottom: 16px; }
.pm-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 10px; }
.pm-card {
background: var(--surface);
border: 1px solid var(--border2);
border-radius: var(--radius-sm);
padding: 14px 18px;
}
.pm-title { font-size: 12px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.pm-body { font-size: 12px; color: var(--text-dimmer); line-height: 1.6; }
/* Spec-driven */
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.spec-card-header { padding: 22px 26px; border-bottom: 1px solid var(--border2); }
.spec-card-body { padding: 20px 26px; display: flex; flex-direction: column; gap: 12px; }
.spec-card-body p { font-size: 13px; color: var(--text-dim); line-height: 1.7; }
.full-width { grid-column: 1 / -1; }
.defense-grid { padding: 20px 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.defense-item { display: flex; flex-direction: column; gap: 6px; }
.defense-q { font-size: 12px; color: var(--text-dimmer); font-style: italic; }
.defense-skill {
font-family: 'DM Mono', monospace;
font-size: 11px;
color: var(--amber);
background: var(--amber-dim);
border: 1px solid rgba(251,191,36,0.2);
border-radius: 4px;
padding: 2px 8px;
display: inline-block;
align-self: flex-start;
}
.defense-answer { font-size: 12px; color: var(--text-dim); line-height: 1.6; }
.stakeholder-card {
display: flex;
align-items: center;
background: var(--surface2);
border: 1px solid var(--border2);
border-radius: var(--radius-sm);
padding: 14px 16px;
}
.stakeholder-skill { font-family: 'DM Mono', monospace; font-size: 12px; color: var(--green); display: block; margin-bottom: 6px; }
.stakeholder-card p { font-size: 12px; color: var(--text-dim); line-height: 1.6; }
/* Pipeline */
.pipeline-shell {
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius);
overflow: hidden;
margin-bottom: 16px;
}
.terminal-chrome {
background: var(--surface2);
border-bottom: 1px solid var(--border2);
padding: 10px 16px;
display: flex;
align-items: center;
gap: 12px;
}
.terminal-dots { display: flex; gap: 6px; }
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; opacity: 0.6; }
.pipeline-stages { padding: 20px 16px; }
.stages-row { display: flex; align-items: stretch; gap: 0; }
.stage-wrap { display: flex; align-items: stretch; flex: 1; min-width: 0; }
.stage-box {
flex: 1;
min-width: 0;
cursor: default;
position: relative;
}
.stage-inner {
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius-sm);
padding: 18px 16px 14px;
transition: all 0.2s ease;
height: 100%;
display: flex;
flex-direction: column;
gap: 10px;
}
.stage-box:hover .stage-inner { background: var(--surface2); }
.stage-name {
font-family: 'DM Mono', monospace;
font-size: 12px;
font-weight: 500;
color: var(--text);
letter-spacing: 0.04em;
transition: color 0.2s;
}
.stage-divider { height: 1px; background: var(--border2); transition: background 0.2s; }
.stage-skills { display: flex; flex-direction: column; gap: 3px; }
.stage-skill {
font-family: 'DM Mono', monospace;
font-size: 10px;
color: var(--text-dimmer);
transition: color 0.2s;
line-height: 1.5;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.stage-arrow {
display: flex;
align-items: center;
padding: 0 4px;
color: var(--text-dimmer);
font-size: 14px;
flex-shrink: 0;
font-family: 'DM Mono', monospace;
}
/* Pipeline stage colors on hover */
.stage-box[data-color="indigo"]:hover .stage-inner { border-color: var(--indigo); box-shadow: 0 0 0 1px rgba(99,102,241,0.13), 0 4px 20px rgba(99,102,241,0.09); }
.stage-box[data-color="indigo"]:hover .stage-name { color: var(--indigo); }
.stage-box[data-color="indigo"]:hover .stage-divider { background: rgba(99,102,241,0.27); }
.stage-box[data-color="indigo"]:hover .stage-skill { color: var(--indigo); }
.stage-box[data-color="cyan"]:hover .stage-inner { border-color: var(--cyan); box-shadow: 0 0 0 1px rgba(34,211,238,0.13), 0 4px 20px rgba(34,211,238,0.09); }
.stage-box[data-color="cyan"]:hover .stage-name { color: var(--cyan); }
.stage-box[data-color="cyan"]:hover .stage-divider { background: rgba(34,211,238,0.27); }
.stage-box[data-color="cyan"]:hover .stage-skill { color: var(--cyan); }
.stage-box[data-color="amber"]:hover .stage-inner { border-color: var(--amber); box-shadow: 0 0 0 1px rgba(251,191,36,0.13), 0 4px 20px rgba(251,191,36,0.09); }
.stage-box[data-color="amber"]:hover .stage-name { color: var(--amber); }
.stage-box[data-color="amber"]:hover .stage-divider { background: rgba(251,191,36,0.27); }
.stage-box[data-color="amber"]:hover .stage-skill { color: var(--amber); }
.stage-box[data-color="green"]:hover .stage-inner { border-color: var(--green); box-shadow: 0 0 0 1px rgba(52,211,153,0.13), 0 4px 20px rgba(52,211,153,0.09); }
.stage-box[data-color="green"]:hover .stage-name { color: var(--green); }
.stage-box[data-color="green"]:hover .stage-divider { background: rgba(52,211,153,0.27); }
.stage-box[data-color="green"]:hover .stage-skill { color: var(--green); }
.pipeline-status {
background: var(--surface2);
border-top: 1px solid var(--border2);
padding: 8px 16px;
display: flex;
align-items: center;
gap: 16px;
}
.pipeline-legend { margin-left: auto; display: flex; gap: 12px; }
.legend-item { display: flex; align-items: center; gap: 5px; }
.legend-dot { width: 6px; height: 6px; border-radius: 50%; }
.pipeline-note { font-size: 12px; color: var(--text-dimmer); margin-top: 10px; }
/* Stack layers */
.stack-table { display: flex; flex-direction: column; gap: 0; }
.stack-row {
display: grid;
grid-template-columns: 220px 1fr;
gap: 0;
border-bottom: 1px solid var(--border);
border-left: 1px solid var(--border);
border-right: 1px solid var(--border);
}
.stack-row.first { border-top: 1px solid var(--border); border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; }
.stack-row.last { border-radius: 0 0 var(--radius) var(--radius); overflow: hidden; }
.stack-row.even { background: var(--surface); }
.stack-name-col {
padding: 20px 24px;
border-right: 1px solid var(--border2);
display: flex;
align-items: flex-start;
gap: 10px;
flex-direction: column;
justify-content: center;
}
.stack-tools-col {
padding: 20px 24px;
display: flex;
flex-wrap: wrap;
gap: 6px 8px;
align-content: center;
}
.stack-tool {
font-family: 'DM Mono', monospace;
font-size: 11px;
color: var(--text-dim);
background: var(--surface2);
border: 1px solid var(--border2);
border-radius: 4px;
padding: 3px 8px;
}
/* Model Routing */
.model-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.model-header {
padding: 24px 28px;
border-bottom: 1px solid var(--border2);
display: flex;
align-items: center;
gap: 12px;
}
.model-icon {
width: 32px; height: 32px;
border-radius: 8px;
display: flex; align-items: center; justify-content: center;
}
.model-title { font-weight: 600; font-size: 14px; margin-bottom: 2px; }
.model-body { padding: 20px 28px; display: flex; flex-direction: column; gap: 10px; }
.model-item { display: flex; align-items: center; gap: 10px; }
.model-bullet { width: 4px; height: 4px; border-radius: 50%; flex-shrink: 0; }
.model-item span { font-size: 13px; color: var(--text-dim); }
/* Cross-tool memory */
.memory-header { padding: 32px 36px; border-bottom: 1px solid var(--border2); }
.memory-headline { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.pulse-dot-green {
display: inline-block; width: 7px; height: 7px; border-radius: 50%;
background: var(--green);
animation: pulse-dot 2s ease infinite;
}
.memory-headline h2 { font-size: 20px; font-weight: 500; letter-spacing: -0.01em; }
.memory-desc { font-size: 14px; color: var(--text-dim); max-width: 680px; line-height: 1.7; }
.memory-diagram { padding: 32px 36px; background: var(--surface2); }
.context-flow {
display: flex;
align-items: center;
gap: 0;
flex-wrap: wrap;
row-gap: 16px;
}
.ctx-node {
background: var(--surface);
border-radius: var(--radius-sm);
padding: 14px 20px;
text-align: center;
min-width: 120px;
}
.ctx-node-label { font-family: 'DM Mono', monospace; font-size: 12px; display: block; margin-bottom: 4px; }
.ctx-node-sub { font-size: 10px; color: var(--text-dimmer); }
.ctx-arrow {
display: flex;
flex-direction: column;
align-items: center;
gap: 3px;
padding: 0 12px;
}
.ctx-arrow-sym { font-family: 'DM Mono', monospace; font-size: 13px; color: var(--text-dimmer); }
.ctx-arrow-label { font-size: 9px; color: var(--text-dimmer); letter-spacing: 0.05em; text-transform: uppercase; }
.ctx-tools { display: flex; gap: 8px; flex-wrap: wrap; }
.ctx-tool {
background: var(--surface);
border: 1px solid rgba(52,211,153,0.25);
border-radius: var(--radius-sm);
padding: 10px 14px;
text-align: center;
}
.schema-files { margin-top: 28px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.schema-label { margin-right: 4px; }
.schema-file {
font-family: 'DM Mono', monospace;
font-size: 11px;
color: var(--text-dimmer);
background: var(--surface);
border: 1px solid var(--border2);
border-radius: 4px;
padding: 4px 10px;
}
/* Install */
.install-chrome {
background: var(--surface2);
border-bottom: 1px solid var(--border2);
padding: 10px 16px;
display: flex;
align-items: center;
justify-content: space-between;
}
.install-chrome-left { display: flex; align-items: center; gap: 12px; }
.copy-btn {
background: none;
border: 1px solid var(--border2);
border-radius: 4px;
padding: 3px 10px;
cursor: pointer;
font-size: 11px;
color: var(--text-dimmer);
font-family: 'DM Mono', monospace;
transition: all 0.2s;
}
.copy-btn.copied { color: var(--green); }
.install-code { padding: 28px 32px; }
.code-line { display: flex; gap: 16px; margin-bottom: 8px; }
.code-line:last-child { margin-bottom: 0; }
.code-prompt { font-family: 'DM Mono', monospace; font-size: 13px; color: var(--text-dimmer); user-select: none; min-width: 16px; }
.code-text { font-family: 'DM Mono', monospace; font-size: 13px; color: var(--text); line-height: 1.6; }
.code-text a { color: var(--indigo); text-decoration: none; }
/* Footer */
footer {
border-top: 1px solid var(--border2);
padding: 28px 40px;
max-width: var(--max-w);
margin: 0 auto;
display: flex;
align-items: center;
justify-content: space-between;
}
.footer-left { display: flex; align-items: center; gap: 8px; }
.footer-left span { color: var(--text-dimmer); font-size: 12px; }
.footer-github {
display: flex;
align-items: center;
gap: 6px;
font-size: 12px;
color: var(--text-dimmer);
text-decoration: none;
transition: color 0.2s;
}
.footer-github:hover { color: var(--text); }
</style>
</head>
<body>
<!-- NAV -->
<nav id="site-nav">
<div class="nav-inner">
<div class="nav-logo">
<span class="mono" style="font-size:18px;font-weight:500;color:var(--indigo)">j-stack</span>
<span class="nav-badge">v0.1</span>
</div>
<div class="nav-links">
<a href="#why">why</a>
<a href="#sdlc">sdlc</a>
<a href="#pipeline">pipeline</a>
<a href="#stack">stack</a>
<a href="#memory">memory</a>
<a href="#install">install</a>
<a href="https://github.com/jpagano-r7/j-stack" target="_blank" rel="noopener noreferrer" class="nav-github">
<svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"/></svg>
GitHub
</a>
</div>
</div>
</nav>
<main>
<!-- HERO -->
<section class="hero">
<div class="hero-eyebrow">
<span class="pulse-dot"></span>
<div class="label">Claude Code · Enterprise PoC Stack</div>
</div>
<h1><span class="mono" style="font-weight:500;color:var(--indigo)">j-stack</span></h1>
<p class="hero-sub">A Claude Code stack optimized for enterprise PoC delivery.</p>
<div class="hero-grid">
<div class="hero-card">
<span class="hero-num">01</span>
<p>Higher-fidelity demos in less time.</p>
</div>
<div class="hero-card">
<span class="hero-num">02</span>
<p>Defensive deliverables that preempt "did you try X" objections.</p>
</div>
<div class="hero-card">
<span class="hero-num">03</span>
<p>Cross-tool memory — resume in Codex / Cursor / ChatGPT when Anthropic limits hit.</p>
</div>
</div>
</section>
<!-- BUILDING BLOCKS -->
<section id="why" class="section">
<div class="section-divider">
<div class="label">The building blocks</div>
<div style="flex:1;height:1px;background:var(--border2)"></div>
</div>
<div class="blocks-grid">
<div class="card block-card">
<div class="block-header">
<span class="mono" style="font-size:14px;font-weight:500;color:var(--text)">Claude Code</span>
<span class="badge" style="color:var(--indigo);background:rgba(99,102,241,0.09)">foundation</span>
</div>
<div class="block-body">
<p>Anthropic's AI coding CLI. Not autocomplete — an autonomous agent that reasons about architecture, writes and edits files, runs tests, browses docs, and dispatches parallel subagents. Think of it as a senior engineer who lives in your terminal.</p>
</div>
<div class="block-footer">
<a href="https://claude.ai/code" target="_blank" rel="noopener noreferrer" style="color:var(--indigo)">claude.ai/code →</a>
</div>
</div>
<div class="card block-card">
<div class="block-header">
<span class="mono" style="font-size:14px;font-weight:500;color:var(--text)">Superpowers</span>
<span class="badge" style="color:var(--cyan);background:rgba(34,211,238,0.09)">framework</span>
</div>
<div class="block-body">
<p>A plugin framework that installs structured workflow skills into Claude Code. Skills enforce how Claude approaches problems: brainstorm before planning, spec before building, test before shipping. j-stack uses brainstorming, writing-plans, TDD, and subagent-driven-development.</p>
</div>
<div class="block-footer">
<a href="https://github.com/obra/superpowers" target="_blank" rel="noopener noreferrer" style="color:var(--cyan)">github.com/obra/superpowers →</a>
</div>
</div>
<div class="card block-card">
<div class="block-header">
<span class="mono" style="font-size:14px;font-weight:500;color:var(--text)">gstack</span>
<span class="badge" style="color:var(--amber);background:rgba(251,191,36,0.09)">skill pack</span>
</div>
<div class="block-body">
<p>A community skill pack with 40+ specialized tools: security audits, CEO-lens scoping, design QA, document generation. j-stack cherry-picks 11 skills that complement Superpowers and injects explicit model directives so expensive models aren't wasted on mechanical work.</p>
</div>
<div class="block-footer">
<a href="https://github.com/garrytan/gstack" target="_blank" rel="noopener noreferrer" style="color:var(--amber)">github.com/garrytan/gstack →</a>
</div>
</div>
</div>
<div class="blocks-summary">
<p><span>j-stack is the opinionated assembly.</span> Raw Superpowers + gstack is powerful but sprawling — 40+ skills with no lane ownership, no model discipline, and no cross-tool memory. j-stack curates the set, routes models by cognitive demand, adds the four custom skills that complete the pipeline, and wires the whole thing into a repeatable workflow.</p>
</div>
</section>
<!-- WHAT IT IS -->
<section class="section">
<div class="section-divider">
<div class="label">What it is</div>
<div style="flex:1;height:1px;background:var(--border2)"></div>
</div>
<div class="what-grid">
<div class="what-left">
<p>An opinionated assembly of three tools — curated, model-routed, and extended with four custom skills that don't exist anywhere else.</p>
</div>
<div class="what-right">
<p>j-stack assembles Claude Code + Superpowers + cherry-picked gstack skills + four custom skills into an opinionated workflow pipeline. <span>Each phase is owned by a specific skill — nothing overlaps, nothing conflicts.</span> The result is a repeatable system for shipping polished, defensible PoC artifacts.</p>
<div class="mini-grid">
<div class="mini-card">
<div class="mini-card-title">Spec before build</div>
<p>Writing-plans locks a full implementation spec before any code runs. Subagents implement against the spec, not a vague prompt.</p>
</div>
<div class="mini-card">
<div class="mini-card-title">TDD during build</div>
<p>The TDD skill enforces red-green-refactor discipline. Tests are written first, against the spec, then implementation follows.</p>
</div>
<div class="mini-card">
<div class="mini-card-title">Cross-vendor defense</div>
<p>OpenAI Codex independently reviews Claude's work. Convergent findings from two AI vendors are the strongest signal you can put in front of a skeptical architect.</p>
</div>
<div class="mini-card">
<div class="mini-card-title">Context that survives limits</div>
<p>A .planning/ wiki keeps every decision readable by Claude Code, Codex, Cursor, ChatGPT, and Gemini. Hitting usage limits mid-engagement is a handoff, not a loss.</p>
</div>
</div>
</div>
</div>
</section>
<!-- SDLC COVERAGE -->
<section id="sdlc" class="section">
<div class="section-divider">
<div class="label">SDLC coverage — discovery to demo</div>
<div style="flex:1;height:1px;background:var(--border2)"></div>
</div>
<div class="sdlc-table">
<div class="sdlc-header">
<div class="label">SDLC Phase</div>
<div class="label">Stage</div>
<div class="label">Skills</div>
<div class="label">PM Principle</div>
</div>
<!-- Row 1: Product Discovery -->
<div class="sdlc-row even">
<span class="sdlc-phase-name">Product Discovery</span>
<span class="stage-badge" style="color:var(--indigo);background:rgba(99,102,241,0.09);border:1px solid rgba(99,102,241,0.2)">EXPAND</span>
<div class="skill-tags">
<span class="skill-tag">/office-hours</span>
<span class="skill-tag">/plan-ceo-review</span>
</div>
<span class="sdlc-pm">Are we solving the right problem? Founder/10x reframe before any engineering begins.</span>
</div>
<!-- Row 2: Requirements & Ideation -->
<div class="sdlc-row">
<span class="sdlc-phase-name">Requirements & Ideation</span>
<span class="stage-badge" style="color:var(--indigo);background:rgba(99,102,241,0.09);border:1px solid rgba(99,102,241,0.2)">REFINE</span>
<div class="skill-tags">
<span class="skill-tag">brainstorm (SP)</span>
</div>
<span class="sdlc-pm">Structured pressure-testing before committing to an approach.</span>
</div>
<!-- Row 3: Feasibility / Build-vs-Buy -->
<div class="sdlc-row even">
<span class="sdlc-phase-name">Feasibility / Build-vs-Buy</span>
<span class="stage-badge" style="color:var(--cyan);background:rgba(34,211,238,0.09);border:1px solid rgba(34,211,238,0.2)">SURVEY</span>
<div class="skill-tags">
<span class="skill-tag">prior-art-survey</span>
</div>
<span class="sdlc-pm">Named, reasoned alternatives across OSS, libraries, and patterns. Every "did you try X" answered before the meeting.</span>
</div>
<!-- Row 4: Technical Design -->
<div class="sdlc-row">
<span class="sdlc-phase-name">Technical Design</span>
<span class="stage-badge" style="color:var(--cyan);background:rgba(34,211,238,0.09);border:1px solid rgba(34,211,238,0.2)">PLAN</span>
<div class="skill-tags">
<span class="skill-tag">writing-plans (SP)</span>
</div>
<span class="sdlc-pm">Spec locked before implementation begins. Explicit gate — nothing builds until this is done.</span>
</div>
<!-- Row 5: Development -->
<div class="sdlc-row even">
<span class="sdlc-phase-name">Development</span>
<span class="stage-badge" style="color:var(--amber);background:rgba(251,191,36,0.09);border:1px solid rgba(251,191,36,0.2)">BUILD</span>
<div class="skill-tags">
<span class="skill-tag">subagent-driven-dev</span>
<span class="skill-tag">TDD (SP)</span>
<span class="skill-tag">/design-shotgun</span>
</div>
<span class="sdlc-pm">TDD enforced (red-green-refactor). Parallel subagents implement against the locked spec.</span>
</div>
<!-- Row 6: QA & Security -->
<div class="sdlc-row">
<span class="sdlc-phase-name">QA & Security Review</span>
<span class="stage-badge" style="color:var(--amber);background:rgba(251,191,36,0.09);border:1px solid rgba(251,191,36,0.2)">POLISH</span>
<div class="skill-tags">
<span class="skill-tag">/qa</span>
<span class="skill-tag">/design-review</span>
<span class="skill-tag">/cso</span>
</div>
<span class="sdlc-pm">Definition of done against spec. OWASP/STRIDE risk management as a deliverable, not a checkbox.</span>
</div>
<!-- Row 7: Stakeholder Review -->
<div class="sdlc-row even">
<span class="sdlc-phase-name">Stakeholder Review</span>
<span class="stage-badge" style="color:var(--green);background:rgba(52,211,153,0.09);border:1px solid rgba(52,211,153,0.2)">DEFEND</span>
<div class="skill-tags">
<span class="skill-tag">second-opinion</span>
<span class="skill-tag">stakeholder-pack</span>
</div>
<span class="sdlc-pm">Pre-answered objections. Cross-vendor AI validation. Meeting shifts from "defend" to "what's next."</span>
</div>
<!-- Row 8: Documentation & Handoff -->
<div class="sdlc-row" style="border-radius:0 0 var(--radius) var(--radius)">
<span class="sdlc-phase-name">Documentation & Handoff</span>
<span class="stage-badge" style="color:var(--green);background:rgba(52,211,153,0.09);border:1px solid rgba(52,211,153,0.2)">HANDOFF</span>
<div class="skill-tags">
<span class="skill-tag">/document-release</span>
<span class="skill-tag">handoff-snapshot</span>
</div>
<span class="sdlc-pm">Docs generated from diff, not written afterward. Knowledge transfer built in.</span>
</div>
</div>
<!-- Out of scope -->
<div class="out-of-scope">
<div class="label" style="white-space:nowrap">Out of scope by design</div>
<span class="oos-tag">Deployment / Release ops</span>
<span class="oos-tag">Monitoring / Observability</span>
<span class="oos-tag">Incident response / Maintenance</span>
<span class="oos-note">PoC mission ≠ production</span>
</div>
<!-- PM Principles -->
<div class="pm-principles">
<div class="label pm-label">Engineering PM principles baked in</div>
<div class="pm-grid">
<div class="pm-card">
<div class="pm-title">Discovery before engineering</div>
<p class="pm-body">EXPAND + REFINE exist before a line of spec is written. The pipeline cannot reach PLAN without completing both.</p>
</div>
<div class="pm-card">
<div class="pm-title">Build vs. buy at every dependency</div>
<p class="pm-body">prior-art-survey dispatches three parallel scouts — OSS, libraries, patterns — and produces a named, reasoned landscape. Not a gut call.</p>
</div>
<div class="pm-card">
<div class="pm-title">Explicit phase gates</div>
<p class="pm-body">Each stage must complete before the next begins. Nothing in BUILD runs without a locked PLAN output.</p>
</div>
<div class="pm-card">
<div class="pm-title">Risk as a deliverable</div>
<p class="pm-body">/cso files an OWASP/STRIDE finding set. second-opinion adds a cross-vendor risk matrix. Both are artifacts, not chat notes.</p>
</div>
<div class="pm-card">
<div class="pm-title">Docs built in, not bolted on</div>
<p class="pm-body">/document-release generates docs from the diff. handoff-snapshot captures state. No documentation sprint at the end.</p>
</div>
<div class="pm-card">
<div class="pm-title">Parallel workstreams</div>
<p class="pm-body">subagent-driven-development and prior-art-survey's scouts both parallelize work the way a PM schedules concurrent engineering tracks.</p>
</div>
</div>
</div>
</section>
<!-- SPEC-DRIVEN / TDD -->
<section class="section">
<div class="section-divider">
<div class="label">Spec-driven · TDD by default</div>
<div style="flex:1;height:1px;background:var(--border2)"></div>
</div>
<div class="spec-grid">
<div class="card">
<div class="spec-card-header">
<span class="mono" style="font-size:13px;font-weight:500;color:var(--indigo)">Plan before build</span>
</div>
<div class="spec-card-body">
<p>Nothing in BUILD starts until PLAN is locked. The pipeline enforces four phases before a line of implementation code is written: reframe the problem → pressure-test the approach → survey the prior art → spec the implementation.</p>
<p><span class="mono" style="color:var(--text);font-size:12px">writing-plans</span> produces a full implementation plan reviewed by Opus. Subagents in BUILD implement against that spec — not a vague prompt, not a wish.</p>
</div>
</div>
<div class="card">
<div class="spec-card-header">
<span class="mono" style="font-size:13px;font-weight:500;color:var(--cyan)">TDD during build</span>
</div>
<div class="spec-card-body">
<p>The <span class="mono" style="color:var(--text);font-size:12px">superpowers:test-driven-development</span> skill enforces red-green-refactor inside the build phase. Tests are written first against the spec; implementation follows only once the test is failing for the right reason.</p>
<p><span class="mono" style="color:var(--text);font-size:12px">subagent-driven-development</span> parallelizes implementation across multiple Claude instances, each operating against the same locked spec and test suite.</p>
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<span class="mono" style="font-size:13px;font-weight:500;color:var(--amber)">Defensive by design — the five questions enterprise stakeholders always ask</span>
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<div class="defense-q">"Why did you build it this way?"</div>
<span class="defense-skill">/office-hours + brainstorm</span>
<p class="defense-answer">Vision doc traces the founder-lens reframe and every major decision made during scoping.</p>
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<div class="defense-q">"What else did you consider?"</div>
<span class="defense-skill">prior-art-survey</span>
<p class="defense-answer">Parallel OSS, library, and pattern scouts produce a named, reasoned landscape. "Did you try X" is answered before it's asked.</p>
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<div class="defense-q">"Is it secure?"</div>
<span class="defense-skill">/cso</span>
<p class="defense-answer">OWASP Top 10 + STRIDE security review runs before the demo. Findings are filed by severity with recommended mitigations.</p>
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<div class="defense-q">"Does it actually work?"</div>
<span class="defense-skill">/qa + TDD suite</span>
<p class="defense-answer">QA audits the running app against the spec. The TDD test suite from BUILD provides the passing-green baseline.</p>
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<div class="defense-q">"Why should I trust one AI vendor?"</div>
<span class="defense-skill">second-opinion</span>
<p class="defense-answer">OpenAI Codex independently reviews Claude's work. A convergence/divergence matrix is the deliverable — two AI vendors agreeing is a stronger signal than one.</p>
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<span class="stakeholder-skill">stakeholder-pack</span>
<p>All five answers assembled into one executive-ready document before the demo. The meeting shifts from "defend the work" to "discuss what's next."</p>
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