/* ==========================================================================
   Transaqo — Developers page
   Extends the approved shared design system without altering existing pages.
   ========================================================================== */

.nav__link--active { color: var(--brand-blue); background: rgba(92,152,255,0.06); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.developers-page .breadcrumb {
  display: flex; width: fit-content; max-width: 100%; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--text-faint); margin-bottom: 20px;
}
.developers-page .breadcrumb a { color: var(--text-faint); transition: color var(--dur) var(--ease); }
.developers-page .breadcrumb a:hover { color: var(--brand-blue); }
.developers-page .breadcrumb__sep { color: var(--line-strong); }

.developers-page .inner-hero { position: relative; overflow: hidden; background: var(--bg); }
.developers-page .inner-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(55% 65% at 82% 14%, rgba(92,152,255,0.10), transparent 70%),
    radial-gradient(38% 48% at 10% 90%, rgba(7,194,108,0.07), transparent 70%);
}
.developers-page .inner-hero__inner {
  position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 72px); align-items: center; padding-block: clamp(64px, 8vw, 108px);
}
.developers-page .inner-hero h1 { font-size: var(--fs-h1); margin-bottom: 20px; text-wrap: balance; }
.developers-page .inner-hero h1 .grad {
  background: var(--brand-gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.developers-page .inner-hero__sub {
  font-size: var(--fs-body-lg); color: var(--text-muted); margin-bottom: 30px;
  max-width: 570px; text-wrap: pretty;
}
.developers-page .inner-hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }

/* Hero API console */
.api-console { padding: 18px; min-height: 316px; }
.api-console__meta {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-bottom: 14px; margin-bottom: 15px; border-bottom: 1px solid var(--line);
}
.api-console__mode {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono);
  font-size: 0.69rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand-green);
}
.api-console__mode::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--brand-green); box-shadow: 0 0 8px rgba(7,194,108,0.45); }
.api-console__route { font-family: var(--font-mono); font-size: 0.72rem; color: var(--brand-blue); }
.api-console__code {
  font-family: var(--font-mono); font-size: 0.78rem; line-height: 1.75; color: #cdd2cb;
  white-space: pre-wrap; overflow-wrap: anywhere; margin: 0;
}
.api-console__flow {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 10px; align-items: center;
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line);
}
.api-console__node {
  min-width: 0; padding: 10px 9px; text-align: center; border: 1px solid var(--line);
  background: var(--surface); font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-muted);
}
.api-console__node--accent { border-color: rgba(92,152,255,0.34); color: var(--brand-blue); background: var(--blue-tint); }
.api-console__arrow { color: var(--text-faint); font-family: var(--font-mono); }
.api-console__foot { margin-top: 14px; font-family: var(--font-mono); font-size: 0.67rem; line-height: 1.5; color: var(--text-faint); }

/* Test mode path */
.build-layout { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: clamp(42px, 7vw, 92px); align-items: start; }
.build-copy h2 { font-size: var(--fs-h2); margin-bottom: 18px; text-wrap: balance; }
.build-copy > p { color: var(--text-muted); font-size: var(--fs-body-lg); }
.build-note {
  margin-top: 24px; padding: 15px 16px; border-left: 2px solid var(--brand-green);
  background: rgba(7,194,108,0.05); color: var(--text-muted);
}
.build-note strong { color: var(--text); }
.build-steps { counter-reset: buildstep; border-top: 1px solid var(--line); }
.build-step {
  counter-increment: buildstep; display: grid; grid-template-columns: 48px minmax(0,1fr); gap: 16px;
  padding: 20px 0; border-bottom: 1px solid var(--line);
}
.build-step::before {
  content: "0" counter(buildstep); font-family: var(--font-mono); color: var(--brand-blue);
  font-size: 0.72rem; letter-spacing: 0.07em; padding-top: 2px;
}
.build-step h3 { font-size: 1rem; margin-bottom: 5px; }
.build-step p { color: var(--text-muted); font-size: 0.93rem; }

/* Unified API flow */
.api-flow-layout { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: clamp(42px, 7vw, 92px); align-items: center; }
.api-flow-copy h2 { font-size: var(--fs-h2); margin-bottom: 18px; }
.api-flow-copy p { color: var(--text-muted); font-size: var(--fs-body-lg); }
.api-flow {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line-strong);
  background: var(--surface); position: relative;
}
.api-flow__node { position: relative; min-height: 150px; padding: 22px 18px; border-right: 1px solid var(--line); }
.api-flow__node:last-child { border-right: 0; }
.api-flow__index { display: block; font-family: var(--font-mono); color: var(--text-faint); font-size: 0.67rem; letter-spacing: 0.08em; margin-bottom: 24px; }
.api-flow__node strong { display: block; font-family: var(--font-display); font-size: 1rem; margin-bottom: 8px; }
.api-flow__node p { color: var(--text-muted); font-size: 0.86rem; line-height: 1.5; }
.api-flow__node--core { background: linear-gradient(145deg, rgba(7,194,108,0.06), rgba(92,152,255,0.08)); }
.api-flow__node--core strong { color: var(--brand-blue); }

/* Resource directory */
.resource-layout { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: clamp(42px, 7vw, 92px); align-items: start; }
.resource-copy { position: sticky; top: 106px; }
.resource-copy h2 { font-size: var(--fs-h2); margin-bottom: 18px; }
.resource-copy > p { color: var(--text-muted); font-size: var(--fs-body-lg); }
.resource-note { margin-top: 22px; color: var(--text-faint); font-size: 0.9rem; }
.resource-directory { border-top: 1px solid var(--line); }
.resource-item {
  display: grid; grid-template-columns: 44px minmax(170px, 0.52fr) minmax(0, 1fr) auto;
  gap: 18px; align-items: start; padding: 21px 0; border-bottom: 1px solid var(--line);
}
.resource-item__index { font-family: var(--font-mono); color: var(--brand-blue); font-size: 0.68rem; letter-spacing: 0.06em; padding-top: 3px; }
.resource-item h3 { font-size: 1rem; }
.resource-item p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.55; }
.resource-item__type {
  font-family: var(--font-mono); font-size: 0.63rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-faint); border: 1px solid var(--line); padding: 4px 7px; white-space: nowrap;
}

/* Illustrative API example */
.example-intro { max-width: 760px; margin-bottom: 30px; }
.example-intro h2 { font-size: var(--fs-h2); margin-bottom: 18px; }
.example-intro p { color: var(--text-muted); font-size: var(--fs-body-lg); }
.example-note { margin-top: 14px; color: var(--text-faint); font-size: 0.88rem; }
.code-lab { border: 1px solid var(--line-strong); background: #0b0b09; box-shadow: var(--shadow-lg); }
.code-lab__top {
  display: flex; justify-content: space-between; align-items: center; gap: 18px;
  padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--surface-3);
}
.code-lab__tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.code-tab {
  border: 0; background: transparent; color: var(--text-muted); padding: 7px 10px;
  font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em;
}
.code-tab:hover { color: var(--text); }
.code-tab[aria-selected="true"] { color: var(--brand-blue); background: var(--blue-tint); }
.copy-code {
  border: 1px solid var(--line); background: transparent; color: var(--text-muted); padding: 7px 10px;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.04em;
}
.copy-code:hover { color: var(--text); border-color: var(--line-strong); }
.code-panel { display: none; }
.code-panel.is-active { display: block; }
.code-panel pre { margin: 0; padding: 24px; overflow-x: auto; }
.code-panel code { font-family: var(--font-mono); font-size: 0.84rem; line-height: 1.72; color: #cdd2cb; white-space: pre; }

/* Integration approaches */
.approach-layout { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(42px, 7vw, 92px); align-items: start; }
.approach-copy h2 { font-size: var(--fs-h2); margin-bottom: 18px; }
.approach-copy p { color: var(--text-muted); font-size: var(--fs-body-lg); }
.approach-lines { border-top: 1px solid var(--line); }
.approach-line {
  display: grid; grid-template-columns: 40px minmax(170px, 0.46fr) minmax(0, 1fr);
  gap: 18px; padding: 23px 0; border-bottom: 1px solid var(--line); align-items: start;
}
.approach-line__icon { color: var(--brand-green); }
.approach-line__icon svg { width: 22px; height: 22px; }
.approach-line h3 { font-size: 1rem; }
.approach-line p { color: var(--text-muted); font-size: 0.92rem; }

/* Environment comparison */
.environment-layout { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: clamp(42px, 7vw, 92px); align-items: center; }
.environment-copy h2 { font-size: var(--fs-h2); margin-bottom: 18px; }
.environment-copy p { color: var(--text-muted); font-size: var(--fs-body-lg); }
.environment-compare { display: grid; grid-template-columns: 1fr 64px 1fr; align-items: stretch; }
.environment-panel { border: 1px solid var(--line); background: var(--surface); padding: 24px 22px; }
.environment-panel__label { font-family: var(--font-mono); color: var(--brand-blue); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; }
.environment-panel--production .environment-panel__label { color: var(--brand-green); }
.environment-panel h3 { font-size: 1.22rem; margin: 14px 0 16px; }
.environment-panel ul { display: flex; flex-direction: column; gap: 9px; }
.environment-panel li { color: var(--text-muted); font-size: 0.9rem; padding-left: 15px; position: relative; }
.environment-panel li::before { content: ""; position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--brand-blue); left: 0; top: 0.65em; }
.environment-panel--production li::before { background: var(--brand-green); }
.environment-panel__link { margin-top: 18px; font-size: 0.86rem; }
.environment-gate { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: var(--text-faint); }
.environment-gate::before, .environment-gate::after { content: ""; width: 1px; flex: 1; min-height: 26px; background: var(--line-strong); }
.environment-gate span { font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.06em; writing-mode: vertical-rl; transform: rotate(180deg); }

/* Support */
.support-layout { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: clamp(42px, 7vw, 92px); align-items: start; }
.support-copy h2 { font-size: var(--fs-h2); margin-bottom: 18px; }
.support-copy p { color: var(--text-muted); font-size: var(--fs-body-lg); }
.support-note { margin-top: 22px; color: var(--text-faint); font-size: 0.9rem; }
.support-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.support-list li { display: flex; gap: 12px; align-items: flex-start; padding: 18px 16px 18px 0; border-bottom: 1px solid var(--line); color: var(--text-muted); }
.support-list li:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 24px; }
.support-list li:nth-child(even) { padding-left: 24px; }
.support-list svg { width: 18px; height: 18px; flex: 0 0 18px; color: var(--brand-green); margin-top: 3px; }

@media (max-width: 1040px) {
  .api-flow { grid-template-columns: 1fr 1fr; }
  .api-flow__node:nth-child(2) { border-right: 0; }
  .api-flow__node:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 940px) {
  .developers-page .inner-hero__inner { grid-template-columns: 1fr; }
  .developers-page .inner-hero__media { order: -1; max-width: 650px; width: 100%; margin-inline: auto; }
  .build-layout, .api-flow-layout, .resource-layout, .approach-layout, .environment-layout, .support-layout { grid-template-columns: 1fr; }
  .resource-copy { position: static; }
}

@media (max-width: 700px) {
  .api-console { padding: 15px; min-height: auto; }
  .api-console__flow { grid-template-columns: 1fr; }
  .api-console__arrow { transform: rotate(90deg); text-align: center; }
  .resource-item { grid-template-columns: 34px minmax(0,1fr) auto; gap: 12px; }
  .resource-item p { grid-column: 2 / -1; }
  .approach-line { grid-template-columns: 30px minmax(0,1fr); gap: 13px; }
  .approach-line p { grid-column: 2; }
  .environment-compare { grid-template-columns: 1fr; gap: 12px; }
  .environment-gate { flex-direction: row; min-height: 36px; }
  .environment-gate::before, .environment-gate::after { width: auto; height: 1px; min-height: 0; min-width: 28px; }
  .environment-gate span { writing-mode: horizontal-tb; transform: none; }
  .support-list { grid-template-columns: 1fr; }
  .support-list li:nth-child(odd) { border-right: 0; padding-right: 0; }
  .support-list li:nth-child(even) { padding-left: 0; }
  .code-lab__top { align-items: flex-start; flex-direction: column; }
  .copy-code { align-self: flex-end; }
}

@media (max-width: 480px) {
  .developers-page .inner-hero__cta { flex-direction: column; }
  .developers-page .inner-hero__cta .btn { width: 100%; }
  .api-console__meta { align-items: flex-start; flex-direction: column; gap: 7px; }
  .api-flow { grid-template-columns: 1fr; }
  .api-flow__node { border-right: 0; border-bottom: 1px solid var(--line); min-height: auto; }
  .api-flow__node:last-child { border-bottom: 0; }
  .resource-item { grid-template-columns: 30px minmax(0,1fr); }
  .resource-item__type { grid-column: 2; justify-self: start; }
  .resource-item p { grid-column: 2; }
  .code-panel pre { padding: 18px 16px; }
  .code-panel code { font-size: 0.75rem; }
}