/* ═══════════════════════════════════════════
   ECOSYSTEM — Technical architecture page
═══════════════════════════════════════════ */

.eco-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
}

.eco-section {
  padding: var(--space-section) 0;
}

.eco-section--surface {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.eco-section__header {
  margin-bottom: var(--space-block);
}

.eco-body {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.eco-body--dark {
  color: var(--text-on-dark-secondary);
}


/* ══════════ HERO ══════════ */

.eco-hero {
  padding: 120px 0 48px;
  border-bottom: 3px solid;
  border-image: var(--gradient-hero) 1;
}

.eco-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.eco-hero__title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 20px;
}

.eco-hero__subtitle {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 32px;
}

/* Table of Contents */
.eco-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--border-default);
}

.eco-toc a {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  padding: 10px 18px;
  border-right: 1px solid var(--border-default);
  transition: color 0.15s, background 0.15s;
}

.eco-toc a:last-child { border-right: none; }

.eco-toc a:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
}


/* ══════════ FULL ARCHITECTURE DIAGRAM ══════════ */

.arch-full {
  margin-bottom: 32px;
}

.arch-full__layer {
  border: 1px solid var(--border-default);
  padding: 28px 32px;
  background: var(--bg-primary);
  position: relative;
}

.arch-full__layer--mid {
  border: 2px solid var(--accent-blue);
  background: rgba(37,99,235,0.02);
}

.arch-full__layer--top {
  border-top: 3px solid var(--accent-emerald);
}

.arch-full__layer--bottom {
  border-bottom: 3px solid var(--accent-violet);
}

.arch-full__label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.arch-full__layer--mid .arch-full__label {
  color: var(--accent-blue);
}

.arch-full__name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.arch-full__desc {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 20px;
}

.arch-full__nodes,
.arch-full__app-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.arch-full__nodes span,
.arch-full__app-grid span {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 12px;
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  background: var(--bg-primary);
}

.arch-full__protocol {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

/* Modules grid inside OwnCentral */
.arch-full__modules {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--border-default);
  border: 1px solid var(--border-default);
  margin-bottom: 12px;
}

.arch-mod {
  padding: 14px;
  background: var(--bg-primary);
}

.arch-full__layer--mid .arch-mod {
  background: rgba(37,99,235,0.02);
}

.arch-mod strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.arch-mod span {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Connectors */
.arch-full__connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 6px 0;
  position: relative;
}

.arch-full__connector-lines {
  display: flex;
  gap: 32px;
}

.arch-full__connector-lines span {
  width: 1px;
  height: 18px;
  background: var(--border-default);
}

.arch-full__connector-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-top: 4px;
}

/* Note box */
.eco-note {
  padding: 20px 24px;
  border: 1px solid var(--border-default);
  background: var(--bg-primary);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.eco-note strong {
  color: var(--text-primary);
}


/* ══════════ TWO-COLUMN LAYOUT ══════════ */

.eco-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.eco-subsection {
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-dark);
}

.dark-section .eco-subsection {
  border-bottom-color: rgba(255,255,255,0.06);
}

.eco-subsection:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.eco-subsection__title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
}

.dark-section .eco-subsection__title {
  color: var(--text-on-dark);
}


/* ══════════ SPEC LIST ══════════ */

.eco-spec-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-dark);
  margin-top: 20px;
}

.eco-spec-list--light {
  border-color: var(--border-default);
}

.eco-spec {
  display: flex;
  border-bottom: 1px solid var(--border-dark);
  font-size: 13px;
}

.eco-spec-list--light .eco-spec {
  border-bottom-color: var(--border-default);
}

.eco-spec:last-child { border-bottom: none; }

.eco-spec__key {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-on-dark-secondary);
  padding: 10px 14px;
  width: 140px;
  flex-shrink: 0;
  border-right: 1px solid var(--border-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.eco-spec-list--light .eco-spec__key {
  color: var(--text-muted);
  border-right-color: var(--border-default);
}

.eco-spec__val {
  padding: 10px 14px;
  color: var(--text-on-dark);
}

.eco-spec-list--light .eco-spec__val {
  color: var(--text-secondary);
}


/* ══════════ CODE BLOCK ══════════ */

.eco-code-block {
  border: 1px solid var(--border-dark);
  background: #0d0d0d;
  overflow: hidden;
}

.eco-code-block__header {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.3);
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-dark);
}

.eco-code-block pre {
  padding: 16px;
  margin: 0;
  overflow-x: auto;
}

.eco-code-block code {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: #e2e8f0;
  white-space: pre;
}


/* ══════════ WORKFLOW NODES ══════════ */

.eco-node-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.eco-node {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  padding: 8px 16px;
  border: 1px solid var(--border-dark);
  color: var(--text-on-dark-secondary);
  background: var(--bg-dark-surface);
  transition: border-color 0.2s, color 0.2s;
}

.eco-node:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--text-on-dark);
}

.eco-node--highlight {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(37,99,235,0.08);
}


/* ══════════ DATA FLOW DIAGRAM ══════════ */

.data-flow-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.df-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.df-row--apps {
  flex-direction: row;
  gap: 1px;
  background: var(--border-default);
  border: 1px solid var(--border-default);
}

.df-box {
  padding: 16px 24px;
  border: 1px solid var(--border-default);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  width: 100%;
  background: var(--bg-primary);
}

.df-box span {
  display: block;
  font-weight: 400;
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
}

.df-box--gateway { background: var(--bg-surface); }
.df-box--central {
  border-color: var(--accent-blue);
  border-width: 2px;
  background: rgba(37,99,235,0.02);
}
.df-box--app {
  flex: 1;
  border: none;
}
.df-box--store { background: var(--bg-surface); }
.df-box--user { border-top: 3px solid var(--accent-emerald); }

.df-arrow {
  font-size: 20px;
  color: var(--text-muted);
  padding: 4px 0;
}

.df-arrow-split {
  display: flex;
  gap: 32px;
  font-size: 18px;
  color: var(--text-muted);
  padding: 4px 0;
}


/* ══════════ AGENT LIFECYCLE ══════════ */

.agent-lifecycle {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-dark);
}

.al-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-dark);
  transition: background 0.2s;
}

.al-step:last-child { border-bottom: none; }
.al-step:hover { background: rgba(255,255,255,0.02); }

.al-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-blue);
  background: rgba(37,99,235,0.1);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.al-step strong {
  display: block;
  font-size: 14px;
  color: var(--text-on-dark);
  margin-bottom: 2px;
}

.al-step p {
  font-size: 12px;
  color: var(--text-on-dark-secondary);
  line-height: 1.5;
  margin: 0;
}


/* ══════════ API GRID ══════════ */

.api-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-default);
  border: 1px solid var(--border-default);
}

.api-card {
  padding: 28px;
  border: none;
}

.api-card h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.api-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-tertiary);
  margin-bottom: 14px;
}

.api-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.api-card__meta span {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  border: 1px solid var(--border-default);
  color: var(--text-muted);
}


/* ══════════ SECURITY LAYERS ══════════ */

.security-layers {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-dark);
  counter-reset: sec;
}

.sec-layer {
  padding: 24px 28px;
  border-bottom: 1px solid var(--border-dark);
  display: grid;
  grid-template-columns: 80px 120px 1fr;
  gap: 20px;
  align-items: start;
  transition: background 0.2s;
}

.sec-layer:last-child { border-bottom: none; }
.sec-layer:hover { background: rgba(255,255,255,0.02); }

.sec-layer__depth {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.2);
  padding-top: 2px;
}

.sec-layer h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-on-dark);
}

.sec-layer p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-on-dark-secondary);
  margin: 0;
}


/* ══════════ DEPLOYMENT GRID ══════════ */

.deploy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-default);
  border: 1px solid var(--border-default);
}

.deploy-card {
  padding: 28px;
  border: none;
}

.deploy-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.deploy-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.deploy-reqs .eco-spec {
  border-color: var(--border-default);
}

.deploy-reqs .eco-spec__key {
  color: var(--text-muted);
  border-right-color: var(--border-default);
  width: 80px;
  font-size: 10px;
}

.deploy-reqs .eco-spec__val {
  color: var(--text-secondary);
}


/* ══════════ TECH STACK ══════════ */

.stack-grid {
  border: 1px solid var(--border-default);
}

.stack-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  border-bottom: 1px solid var(--border-default);
  transition: background 0.15s;
}

.stack-row:last-child { border-bottom: none; }
.stack-row:hover { background: var(--bg-primary); }

.stack-row__key {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 14px 18px;
  border-right: 1px solid var(--border-default);
  background: var(--bg-surface);
}

.stack-row__val {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 14px 18px;
  line-height: 1.5;
}


/* ══════════ CTA ══════════ */

.eco-cta {
  padding: var(--space-section) 0;
  border-top: 3px solid;
  border-image: var(--gradient-hero) 1;
  text-align: center;
}

.eco-cta__title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 500;
  margin-bottom: 12px;
}

.eco-cta__body {
  font-size: 15px;
  color: var(--text-tertiary);
  margin-bottom: 28px;
}


/* ══════════ RESPONSIVE ══════════ */

@media (max-width: 900px) {
  .eco-inner { padding: 0 24px; }
  .eco-two-col { grid-template-columns: 1fr; gap: 24px; }
  .arch-full__modules { grid-template-columns: repeat(3, 1fr); }
  .api-grid { grid-template-columns: repeat(2, 1fr); }
  .deploy-grid { grid-template-columns: 1fr; gap: 0; }
  .sec-layer { grid-template-columns: 60px 1fr; }
  .sec-layer__depth { display: none; }
}

@media (max-width: 768px) {
  .eco-inner { padding: 0 16px; }
  .eco-hero { padding: 80px 0 32px; }
  .eco-toc { flex-direction: column; }
  .eco-toc a { border-right: none; border-bottom: 1px solid var(--border-default); }
  .eco-toc a:last-child { border-bottom: none; }
  .arch-full__modules { grid-template-columns: repeat(2, 1fr); }
  .arch-full__nodes span,
  .arch-full__app-grid span { font-size: 10px; padding: 4px 8px; }
  .api-grid { grid-template-columns: 1fr; gap: 0; }
  .sec-layer { grid-template-columns: 1fr; gap: 8px; }
  .sec-layer h4 { font-size: 14px; }
  .stack-row { grid-template-columns: 1fr; }
  .stack-row__key { border-right: none; border-bottom: 1px solid var(--border-default); }
  .df-row--apps { flex-direction: column; }
  .eco-spec__key { width: 100px; font-size: 10px; }
  .eco-code-block code { font-size: 11px; }
}

@media (max-width: 480px) {
  .eco-inner { padding: 0 12px; }
  .arch-full__modules { grid-template-columns: 1fr 1fr; }
}