@import url("https://fonts.googleapis.com/css2?family=Public+Sans:wght@300;400;500;600;700;800&display=swap");

:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-soft: #f2f5f9;
  --ink: #17202d;
  --muted: #556070;
  --navy: #232f3e;
  --navy-soft: #31465c;
  --accent: #ff9900;
  --accent-deep: #ec7211;
  --accent-soft: #fff2df;
  --border: #d7dde6;
  --shadow: 0 14px 34px rgba(35, 47, 62, 0.07);
  --shadow-soft: 0 6px 18px rgba(35, 47, 62, 0.04);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Public Sans", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f7f8fb 0%, #eef2f7 100%);
  line-height: 1.55;
}

a {
  color: inherit;
}

p {
  margin-top: 0;
  margin-bottom: 0.9rem;
  line-height: 1.62;
}

.wrap {
  width: min(1360px, calc(100% - 2rem));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.brand,
.nav-links a {
  text-decoration: none;
}

.brand {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
}

.nav-links {
  display: flex;
  gap: 0.5rem;
}

.nav-links a {
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--muted);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: rgba(35, 47, 62, 0.06);
  color: var(--navy);
  font-weight: 600;
}

.hero {
  padding: 1rem 0 1.4rem;
}

.hero-workshop {
  background:
    linear-gradient(135deg, rgba(35, 47, 62, 0.98), rgba(49, 70, 92, 0.96)),
    linear-gradient(180deg, #232f3e, #31465c);
  color: #fff;
  border-radius: 1.25rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.55fr);
  gap: 1.1rem;
  align-items: stretch;
  padding: 2.6rem 2.4rem;
}

.profile-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.profile-avatar {
  width: 2.8rem;
  height: 2.8rem;
  max-width: 44px;
  max-height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

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

.profile-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
  text-decoration: none;
}

.profile-name:hover {
  text-decoration: underline;
}

.profile-handle {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.2;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 0.85rem;
  max-width: 13ch;
  font-size: clamp(2.45rem, 4.9vw, 4.15rem);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.lede {
  max-width: 54rem;
  margin: 0;
  font-size: 0.99rem;
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.68rem 0.96rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #1b1f24;
  font-weight: 700;
}

.button-live {
  border-color: rgba(255, 153, 0, 0.45);
  background: rgba(255, 153, 0, 0.16);
}

.hero-note {
  padding: 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(8px);
}

.hero-note h2 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  font-size: 1.35rem;
  line-height: 1.2;
}

.hero-note p {
  color: rgba(255, 255, 255, 0.84);
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0 0 1rem;
}

.summary-metric {
  padding: 0.95rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.summary-metric strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 1.28rem;
  color: var(--navy);
}

.summary-metric span {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.45;
}

.doc-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding-bottom: 2rem;
}

.doc-sidebar {
  position: sticky;
  top: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.doc-sidebar h2 {
  margin-top: 0;
  margin-bottom: 0.35rem;
  font-size: 1rem;
  color: var(--navy);
}

.doc-sidebar p {
  margin-bottom: 0.8rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.sidebar-nav {
  display: grid;
  gap: 0.15rem;
}

.sidebar-nav a {
  padding: 0.48rem 0.62rem;
  border-radius: 0.7rem;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}

.sidebar-nav a:hover {
  background: var(--surface-soft);
  color: var(--navy);
}

.sidebar-nav a.sidebar-cta {
  margin-top: 0.4rem;
  background: var(--navy);
  color: #fff;
  font-weight: 600;
}

.doc-content {
  min-width: 0;
  padding: 0.9rem 1rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.section-block {
  padding: 0 0 1rem;
}

.doc-content > .section-block + .section-block {
  border-top: 1px solid rgba(35, 47, 62, 0.08);
  padding-top: 1rem;
}

.section-heading {
  margin-bottom: 0.75rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2.2vw, 2.15rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.card,
.timeline-item,
.architecture-stage,
.badge-card {
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.card {
  padding: 1rem;
}

.card-kicker {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.card p,
.card li,
.timeline-item p,
.meta-line {
  color: var(--muted);
}

.critical-panel {
  background:
    linear-gradient(180deg, rgba(255, 242, 223, 0.72), rgba(255, 255, 255, 0.98));
}

.critical-lead {
  margin-bottom: 1rem;
  font-size: 0.98rem;
  color: var(--navy);
}

.critical-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.critical-link {
  padding: 1rem;
  border: 1px solid rgba(35, 47, 62, 0.08);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.96);
}

.critical-link h3 {
  margin-top: 0;
  margin-bottom: 0.45rem;
  line-height: 1.24;
}

.critical-link a {
  color: var(--navy);
  text-decoration: none;
}

.critical-link a:hover {
  text-decoration: underline;
}

.live-site-card {
  border-color: rgba(236, 114, 17, 0.34);
  background: linear-gradient(180deg, #fff7ec, #ffffff);
  box-shadow: 0 10px 26px rgba(236, 114, 17, 0.1);
}

code {
  padding: 0.08rem 0.28rem;
  border-radius: 0.3rem;
  background: var(--accent-soft);
  color: var(--navy);
}

pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.feature-grid,
.prompt-grid,
.check-grid,
.badge-row,
.architecture-flow {
  display: grid;
  gap: 0.8rem;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.prompt-grid,
.check-grid,
.badge-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.badge-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card h2,
.feature-card h3,
.card h3 {
  margin-top: 0;
  margin-bottom: 0.45rem;
  line-height: 1.24;
}

.service-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}

.service-heading h2,
.service-heading h3 {
  margin: 0;
}

.service-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.9rem;
  height: 2.9rem;
  padding: 0.45rem;
  border: 1px solid rgba(35, 47, 62, 0.08);
  border-radius: 0.8rem;
  background: linear-gradient(180deg, #fff, #f6f8fb);
}

.service-icon-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.badge-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.95rem 1rem;
}

.badge-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.65rem;
  height: 2.65rem;
  padding: 0.35rem;
  border: 1px solid rgba(35, 47, 62, 0.08);
  border-radius: 0.75rem;
  background: linear-gradient(180deg, #fff, #f6f8fb);
}

.badge-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.badge-copy strong,
.badge-copy span {
  display: block;
}

.badge-copy strong {
  margin-bottom: 0.22rem;
  color: var(--navy);
}

.badge-copy span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.architecture-flow {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.architecture-stage {
  position: relative;
  padding: 0.95rem;
}

.architecture-stage::after {
  display: none;
}

.architecture-stage:last-child::after {
  display: none;
}

.architecture-stage h3 {
  margin-top: 0;
  margin-bottom: 0.35rem;
  font-size: 0.98rem;
  color: var(--navy);
}

.architecture-stage p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.diagram-shell {
  padding: 0.95rem;
  border-radius: 0.95rem;
  background: linear-gradient(180deg, #202e3d, #2d4052);
  color: #fff;
  box-shadow: var(--shadow-soft);
  overflow-x: auto;
}

.diagram-shell-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

.diagram-shell h3 {
  margin: 0;
  color: #fff;
}

.diagram-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.diagram-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.2rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 0.65rem;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.diagram-control:hover {
  background: rgba(255, 255, 255, 0.14);
}

.diagram-shell pre {
  margin: 0;
  white-space: pre-wrap;
  font: 500 0.92rem/1.55 "Public Sans", sans-serif;
  color: rgba(255, 255, 255, 0.92);
}

.mermaid-diagram {
  white-space: pre;
  overflow-x: auto;
}

.diagram-shell .mermaid {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 220px;
  padding: 0.35rem;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0.8rem;
}

.diagram-shell .mermaid svg {
  max-width: 100%;
  height: auto;
}

.diagram-modal[hidden] {
  display: none;
}

.diagram-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  grid-template-rows: auto 1fr;
  padding: 1rem;
  background: rgba(15, 20, 26, 0.82);
  backdrop-filter: blur(10px);
}

.diagram-modal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.9rem;
  background: rgba(35, 47, 62, 0.92);
  color: #fff;
}

.diagram-modal-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.diagram-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.diagram-modal-stage {
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  background: #f7f8fb;
}

.diagram-modal-canvas {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-width: 100%;
  min-height: 100%;
  padding: 1.5rem;
  transform-origin: top center;
}

.diagram-modal-canvas svg {
  width: max-content;
  max-width: none;
  height: auto;
}

.timeline {
  display: grid;
  gap: 0.8rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: 0.85rem;
  padding: 1rem;
}

.timeline-item h3,
.prompt-grid h3,
.check-grid h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  color: var(--navy);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.75rem;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.prompt-box {
  margin: 0 0 0.8rem;
  padding: 0.85rem 0.95rem;
  overflow-x: auto;
  border-radius: 0.8rem;
  background: #1e2936;
  color: #f8fbff;
  font-size: 0.88rem;
  line-height: 1.55;
}

.section-callout {
  padding-bottom: 1rem;
}

ul {
  margin: 0;
  padding-left: 1.15rem;
}

@media (max-width: 1100px) {
  .hero-grid,
  .summary-strip,
  .critical-links,
  .feature-grid,
  .prompt-grid,
  .check-grid,
  .badge-row,
  .architecture-flow {
    grid-template-columns: 1fr 1fr;
  }

  .doc-shell {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .architecture-stage::after {
    display: none;
  }
}

@media (max-width: 900px) {
  .doc-shell,
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .doc-sidebar {
    position: static;
  }
}

@media (max-width: 720px) {
  .wrap {
    width: min(100%, calc(100% - 1rem));
  }

  .topbar {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }

  .critical-links {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    padding: 1.7rem 1rem;
  }

  .profile-badge {
    gap: 0.6rem;
    margin-bottom: 0.85rem;
  }

  .profile-avatar {
    width: 2.4rem;
    height: 2.4rem;
    max-width: 38px;
    max-height: 38px;
  }

  .profile-name {
    font-size: 0.9rem;
  }

  .profile-handle {
    font-size: 0.78rem;
  }

  .diagram-shell-header,
  .diagram-modal-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .summary-strip,
  .feature-grid,
  .prompt-grid,
  .check-grid,
  .badge-row,
  .architecture-flow {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
    font-size: 2.2rem;
  }
}