@import url('colors_and_type.css');

/* -------- Layout primitives ----------------------------------------- */

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
}

a { color: inherit; }
a:hover { color: var(--color-primary); }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.container-narrow {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 32px;
}

/* -------- Top navigation -------------------------------------------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(237, 229, 204, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.site-nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 18px;
  color: var(--color-text);
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: url('logo.svg') center / contain no-repeat;
  box-shadow: var(--shadow-ring);
  position: relative;
  flex-shrink: 0;
}

.brand-mark::before,
.brand-mark::after {
  content: none;
}

.site-nav nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
  margin-right: 16px;
}

.site-nav nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 150ms ease;
}

.site-nav nav a:hover,
.site-nav nav a.active {
  color: var(--color-text);
}

.site-nav nav a.active {
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 22px;
  margin-bottom: -22px;
}

/* -------- Buttons --------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 150ms ease, transform 150ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-surface);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-surface);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-ring);
}

.btn-secondary:hover {
  background: var(--color-surface-soft);
  color: var(--color-text);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
}

.btn-ghost:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

/* -------- Hero ------------------------------------------------------ */

.hero {
  padding: 96px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  gap: 56px;
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-surface);
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-ochre);
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.5px;
  color: var(--color-text);
  margin: 0 0 20px;
  max-width: 780px;
}

.hero h1 em {
  font-style: italic;
  color: var(--color-primary);
}

.hero-sub {
  font-size: 19px;
  line-height: 1.55;
  color: var(--color-muted);
  max-width: 640px;
  margin: 0 0 36px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-meta {
  display: flex;
  gap: 24px;
  margin-top: 48px;
  flex-wrap: wrap;
  color: var(--color-muted);
  font-size: 13px;
}

.hero-meta b {
  color: var(--color-text);
  font-weight: 600;
}

.hero-preview {
  background: var(--color-sidebar-active);
  color: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  border: 1px solid rgba(245, 239, 216, 0.14);
}

.preview-topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.16);
  border-bottom: 1px solid rgba(245, 239, 216, 0.12);
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(245, 239, 216, 0.72);
}

.preview-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--color-primary-soft);
}

.preview-topbar span:nth-child(2) { background: var(--color-accent-ochre); }
.preview-topbar span:nth-child(3) { background: var(--color-accent-teal); }
.preview-topbar strong { margin-left: 8px; font-weight: 500; }

.preview-body {
  padding: 24px;
  display: grid;
  gap: 14px;
}

.preview-line {
  font-family: var(--font-mono);
  font-size: 14px;
  color: rgba(245, 239, 216, 0.76);
}

.preview-line small {
  display: block;
  margin-left: 28px;
  margin-top: 2px;
  color: rgba(245, 239, 216, 0.48);
}

.preview-line.done { color: #d8eadf; }
.preview-line.active { color: var(--color-surface); }
.preview-root { color: var(--color-surface); font-weight: 500; }

.preview-card {
  margin-top: 8px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(245, 239, 216, 0.08);
  border: 1px solid rgba(245, 239, 216, 0.12);
}

.preview-card p {
  margin: 10px 0 0;
  color: rgba(245, 239, 216, 0.78);
  font-size: 14px;
}

/* -------- Section rhythm ------------------------------------------- */

.section {
  padding: 80px 0;
  border-top: 1px solid var(--color-border);
}

.section-dark {
  background: var(--color-sidebar-active);
  color: var(--color-surface);
  padding: 80px 0;
  border-top: none;
}

.section-dark .overline,
.section-dark .section-sub,
.section-dark p {
  color: rgba(245, 239, 216, 0.72);
}

.section-dark h2,
.section-dark h3 {
  color: var(--color-surface);
}

.section-dark .card p {
  color: rgba(245, 239, 216, 0.78);
}

.overline {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--color-muted);
  margin: 0 0 12px;
}

.section h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.15;
  color: var(--color-text);
  margin: 0 0 16px;
  max-width: 720px;
}

.section-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-muted);
  max-width: 680px;
  margin: 0 0 40px;
}

/* -------- Cards ----------------------------------------------------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.card-elevated {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-soft), var(--shadow-ring);
  border: none;
}

.card h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.2;
  margin: 0 0 8px;
  color: var(--color-text);
}

.card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* Dark section cards */

.section-dark .card {
  background: rgba(245, 239, 216, 0.05);
  border-color: rgba(245, 239, 216, 0.1);
}

.section-dark .card h3 {
  color: var(--color-surface);
}

.section-dark .card p {
  color: rgba(245, 239, 216, 0.78);
}

/* -------- Grids ----------------------------------------------------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 880px) {
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-preview { max-width: 560px; }
}

/* -------- Code & inline file paths --------------------------------- */

code, .code-inline {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-surface-alt);
  color: var(--color-text);
  padding: 2px 6px;
  border-radius: 4px;
}

.section-dark code, .section-dark .code-inline {
  background: rgba(245, 239, 216, 0.12);
  color: var(--color-surface);
}

pre.code-block {
  background: var(--color-sidebar-active);
  color: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

/* -------- Pills & badges ------------------------------------------- */

.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.pill-teal   { background: rgba(44, 88, 98, 0.12);  color: var(--color-accent-teal); }
.pill-slate  { background: rgba(90, 107, 120, 0.14); color: var(--color-accent-slate); }
.pill-ochre  { background: rgba(184, 134, 43, 0.16); color: var(--color-accent-ochre); }
.pill-olive  { background: rgba(107, 114, 66, 0.15); color: var(--color-accent-olive); }
.pill-plum   { background: rgba(107, 63, 79, 0.15);  color: var(--color-accent-plum); }
.pill-sand   { background: var(--color-surface-alt); color: var(--color-text-soft); }

/* -------- Swatches ------------------------------------------------- */

.swatch-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.swatch {
  flex: 1;
  min-width: 140px;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 96px;
}

.swatch .name {
  font-weight: 500;
  font-size: 13px;
}

.swatch .hex {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.78;
}

/* -------- Copy button ----------------------------------------------- */

.copy-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-ring);
  border: none;
  cursor: pointer;
  transition: background 150ms ease, transform 150ms ease;
}

.copy-button:hover {
  background: var(--color-surface-soft);
  transform: translateY(-1px);
}

/* -------- Pipeline switcher (features page) ------------------------ */

.pipeline-panel {
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: 24px;
}

.pipeline-switcher {
  display: grid;
  gap: 8px;
}

.pipeline-tab {
  width: 100%;
  text-align: left;
  border: 0;
  background: rgba(48, 48, 46, 0.08);
  color: var(--color-muted);
  padding: 12px 16px;
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.pipeline-tab:hover {
  background: rgba(48, 48, 46, 0.14);
  color: var(--color-text);
  transform: translateX(2px);
}

.pipeline-tab.is-active {
  background: var(--color-primary);
  color: var(--color-surface);
}

.pipeline-detail {
  padding: 4px 0;
}

.pipeline-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--color-subtle);
  margin: 0 0 8px;
}

.pipeline-detail h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 28px;
  line-height: 1.15;
  margin: 0 0 12px;
  color: var(--color-text);
}

.pipeline-detail p {
  color: var(--color-muted);
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.6;
}

.phase-list {
  display: grid;
  gap: 8px;
  padding-left: 20px;
  margin: 0 0 20px;
  color: var(--color-text-soft);
  font-size: 14px;
}

.pipeline-note {
  color: var(--color-muted);
  font-size: 14px;
  font-style: italic;
  margin: 0;
}

@media (max-width: 880px) {
  .pipeline-panel {
    grid-template-columns: 1fr;
  }
}

/* -------- Artifact grid (outputs) ---------------------------------- */

.artifact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.artifact {
  padding: 20px 0 0;
  border-top: 1px solid var(--color-border);
}

.artifact h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  margin: 0 0 8px;
  color: var(--color-text);
}

.artifact p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.6;
}

.section-dark .artifact h3 {
  color: var(--color-surface);
}

.section-dark .artifact p {
  color: rgba(245, 239, 216, 0.72);
}

@media (max-width: 880px) {
  .artifact-grid {
    grid-template-columns: 1fr;
  }
}

/* -------- Evidence badges ------------------------------------------ */

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.evidence-badge {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}

.evidence-badge .icon {
  font-size: 24px;
  margin-bottom: 10px;
}

.evidence-badge h4 {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--color-text);
}

.evidence-badge p {
  font-size: 13px;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.5;
}

@media (max-width: 880px) {
  .evidence-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .evidence-grid {
    grid-template-columns: 1fr;
  }
}

/* -------- Scroll reveal -------------------------------------------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* -------- Footer --------------------------------------------------- */

.site-footer {
  background: var(--color-sidebar);
  color: rgba(245, 239, 216, 0.7);
  padding: 56px 0 40px;
  margin-top: 80px;
}

.site-footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.site-footer h4 {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: rgba(245, 239, 216, 0.5);
  margin: 0 0 14px;
}

.site-footer a {
  display: block;
  color: rgba(245, 239, 216, 0.75);
  text-decoration: none;
  font-size: 14px;
  padding: 4px 0;
  transition: color 150ms ease;
}

.site-footer a:hover {
  color: var(--color-surface);
}

.site-footer .tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  color: rgba(245, 239, 216, 0.85);
  margin: 16px 0 0;
  max-width: 360px;
  line-height: 1.5;
}

.site-footer-bottom {
  max-width: 1180px;
  margin: 40px auto 0;
  padding: 24px 32px 0;
  border-top: 1px solid rgba(245, 239, 216, 0.12);
  font-size: 12px;
  color: rgba(245, 239, 216, 0.45);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 880px) {
  .site-footer-inner { grid-template-columns: 1fr 1fr; }
}

/* -------- Checklist ------------------------------------------------- */

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--color-text-soft);
  line-height: 1.55;
}

.checklist li::before {
  content: "";
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1.5px solid var(--color-border-strong);
  background: var(--color-surface);
  margin-top: 2px;
}

/* -------- Compatibility band --------------------------------------- */

.compatibility-band {
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  background: rgba(224, 213, 184, 0.45);
  box-shadow: inset 0 0 0 1px var(--color-border);
  font-size: 14px;
  color: var(--color-muted);
  text-align: center;
}

/* -------- Deploy steps --------------------------------------------- */

.deploy-steps {
  padding: 24px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.55);
  box-shadow: var(--shadow-soft), inset 0 0 0 1px var(--color-border);
}

.deploy-steps ol {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  color: var(--color-text-soft);
  font-size: 15px;
  line-height: 1.6;
}

/* -------- Screen reader only --------------------------------------- */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* -------- Responsive nav toggle ------------------------------------ */

@media (max-width: 768px) {
  .site-nav-inner {
    flex-wrap: wrap;
    height: auto;
    padding-block: 12px;
  }

  .site-nav nav {
    width: 100%;
    margin: 0;
    flex-direction: column;
    gap: 4px;
    padding-top: 4px;
  }

  .site-nav nav a.active {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
  }

  .hero {
    padding: 64px 0 48px;
  }

  .hero-grid {
    gap: 28px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-meta {
    flex-direction: column;
    gap: 12px;
  }
}