/* ============================================================
   KODU ECOSYSTEM — CANONICAL STYLESHEET
   Inherited from kodu-homepage.html. Every ecosystem page
   imports this file. Do not duplicate styles in page files.
   ============================================================ */

:root {
  --bg:            #f1f3f7;
  --bg-2:          #e9ecf2;
  --surface:       #ffffff;
  --ink:           #1a2333;
  --ink-2:         #2c3548;
  --slate:         #5a6478;
  --slate-2:       #8a93a4;
  --slate-3:       #b4bbc8;
  --slate-4:       #d4d9e2;
  --rule:          #dde1e8;
  --rule-soft:     #e7eaf0;

  --brand:         #1976d2;
  --brand-2:       #2589e0;
  --brand-soft:    #e3f0fc;
  --brand-tint:    #f3f8fd;

  --ok:            #6fa56d;
  --ok-soft:       #e8f1e6;
  --ok-2:          #5a8e58;

  --stroke:        #4a5468;
  --stroke-2:      #6b7587;
  --window-fill:   #d8e6f4;
  --window-stroke: #a0b8d4;
  --foliage:       #c9d8c2;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image: radial-gradient(circle, rgba(90, 100, 120, 0.06) 1px, transparent 1px);
  background-size: 22px 22px;
}

/* NAVIGATION ------------------------------------------------ */
nav.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid var(--rule-soft);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: inherit; }
.nav-wordmark {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
}
.nav-wordmark .accent { color: var(--brand); font-weight: 700; }

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--slate);
  text-decoration: none;
  padding: 8px 0;
  position: relative;
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--brand); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--brand);
  border-radius: 1px;
}

.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-divider { width: 1px; height: 16px; background: var(--rule); }
.nav-link-sm { font-size: 13px; color: var(--slate); text-decoration: none; font-weight: 500; }
.nav-link-sm:hover { color: var(--ink); }

/* BUTTONS --------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  line-height: 1;
  letter-spacing: -0.005em;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
  box-shadow: 0 1px 2px rgba(25, 118, 210, 0.18);
}
.btn-primary:hover { background: var(--brand-2); border-color: var(--brand-2); }
.btn-outline {
  background: var(--surface);
  color: var(--brand);
  border-color: var(--brand);
}
.btn-outline:hover { background: var(--brand-tint); }
.btn-ghost { background: transparent; color: var(--slate); font-weight: 500; }
.btn-ghost:hover { background: var(--bg); color: var(--ink); }
.btn-lg { padding: 13px 22px; font-size: 14.5px; }

/* ARTICLE LAYOUT ------------------------------------------- */
.article-shell { position: relative; z-index: 2; }

.article-hero {
  padding: 64px 32px 32px;
}
.article-hero-inner {
  max-width: 820px;
  margin: 0 auto;
}

.article-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 18px;
}

h1.article-title {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.05;
  letter-spacing: -0.028em;
  color: var(--ink);
  margin-bottom: 22px;
}

.article-lede {
  font-size: 18px;
  line-height: 1.55;
  color: var(--slate);
  max-width: 680px;
  font-weight: 400;
}

.article-meta {
  display: flex;
  gap: 28px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--rule-soft);
}
.article-meta-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.article-meta-item .label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-2);
}
.article-meta-item .value {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  letter-spacing: -0.005em;
}

/* ARTICLE BODY ---------------------------------------------- */
.article-body {
  padding: 32px 32px 64px;
}
.article-body-inner {
  max-width: 720px;
  margin: 0 auto;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-top: 48px;
  margin-bottom: 16px;
  line-height: 1.18;
}

.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.014em;
  color: var(--ink-2);
  margin-top: 32px;
  margin-bottom: 12px;
  line-height: 1.25;
}

.article-body p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  margin-bottom: 18px;
}

.article-body p.lead {
  font-size: 17px;
  color: var(--slate);
}

.article-body a {
  color: var(--brand);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 118, 210, 0.25);
  transition: border-color 0.2s ease;
}
.article-body a:hover { border-bottom-color: var(--brand); }

.article-body ul, .article-body ol {
  margin: 0 0 22px 0;
  padding-left: 0;
  list-style: none;
}
.article-body li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
}
.article-body ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--brand);
  border-radius: 50%;
}
.article-body ol { counter-reset: ol-counter; }
.article-body ol li { counter-increment: ol-counter; }
.article-body ol li::before {
  content: counter(ol-counter);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
}

/* PULL CALLOUT — for the moment of recognition --------------- */
.pull-callout {
  margin: 36px 0;
  padding: 28px 32px;
  background: var(--surface);
  border: 1px solid var(--rule-soft);
  border-left: 3px solid var(--brand);
  border-radius: 4px 12px 12px 4px;
}
.pull-callout p {
  font-size: 18px;
  line-height: 1.5;
  color: var(--ink);
  letter-spacing: -0.012em;
  font-weight: 500;
  margin: 0;
}

/* INLINE FIGURE / IMAGE PLACEHOLDER -------------------------- */
.figure {
  margin: 36px 0;
}
.figure-frame {
  background: var(--bg-2);
  border: 1px solid var(--rule-soft);
  border-radius: 12px;
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.figure-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(90, 100, 120, 0.07) 1px, transparent 1px);
  background-size: 18px 18px;
  pointer-events: none;
}
.figure-placeholder {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 24px;
}
.figure-placeholder .label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-2);
  margin-bottom: 10px;
}
.figure-placeholder .desc {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.5;
  max-width: 380px;
  margin: 0 auto;
}
figcaption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--slate-2);
  text-align: center;
  font-style: normal;
}

/* CHECKLIST CARD — structured homeowner action list ---------- */
.checklist {
  background: var(--surface);
  border: 1px solid var(--rule-soft);
  border-radius: 14px;
  padding: 28px 32px;
  margin: 32px 0;
}
.checklist-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 14px;
}
.checklist h3 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.014em;
  color: var(--ink);
  margin-bottom: 18px;
  margin-top: 0 !important;
}
.checklist-row {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: flex-start;
}
.checklist-row:last-child { border-bottom: none; padding-bottom: 0; }
.checklist-row:first-of-type { padding-top: 0; }

.checklist-check {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1.5px solid var(--slate-3);
  flex-shrink: 0;
  margin-top: 2px;
}
.checklist-text {
  flex: 1;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-2);
}
.checklist-text strong { color: var(--ink); font-weight: 600; }
.checklist-text .sub { display: block; font-size: 13px; color: var(--slate); margin-top: 3px; }

/* CONTINUITY CARD — the "How Kodu connects" section ---------- */
.continuity {
  margin: 56px 0 0;
  padding: 36px;
  background: var(--surface);
  border: 1px solid var(--rule-soft);
  border-radius: 16px;
}
.continuity-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 14px;
}
.continuity h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.018em;
  color: var(--ink);
  margin: 0 0 16px 0;
  line-height: 1.2;
}
.continuity p {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--slate);
  margin-bottom: 14px;
}
.continuity-actions {
  display: flex;
  gap: 10px;
  margin-top: 22px;
  flex-wrap: wrap;
}

/* RELATED READING ------------------------------------------- */
.related {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--rule-soft);
}
.related-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-2);
  margin-bottom: 18px;
}
.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.related-item {
  display: block;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--rule-soft);
  border-radius: 10px;
  text-decoration: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.related-item:hover {
  border-color: var(--brand);
  box-shadow: 0 6px 16px -12px rgba(25, 118, 210, 0.4);
}
.related-item .cat {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-2);
  margin-bottom: 6px;
}
.related-item .title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.012em;
  line-height: 1.35;
}

/* SAMPLE-RECORD BRIDGE — the funnel anchor at page bottom --- */
.sample-bridge {
  margin: 56px auto 0;
  max-width: 820px;
  padding: 0 32px;
}
.sample-bridge-card {
  background: var(--surface);
  border: 1px solid var(--rule-soft);
  border-radius: 16px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 36px;
  align-items: center;
}
.sample-bridge-visual {
  background: var(--bg);
  border-radius: 10px;
  aspect-ratio: 4 / 3;
  position: relative;
  overflow: hidden;
}
.sample-bridge-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(90, 100, 120, 0.07) 1px, transparent 1px);
  background-size: 16px 16px;
}
.sample-bridge-visual svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.sample-bridge-text .label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 12px;
}
.sample-bridge-text h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.018em;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.2;
}
.sample-bridge-text p {
  font-size: 14.5px;
  color: var(--slate);
  line-height: 1.55;
  margin-bottom: 18px;
}

/* FOOTER ---------------------------------------------------- */
footer.foot {
  padding: 56px 32px 28px;
  background: var(--surface);
  border-top: 1px solid var(--rule-soft);
  position: relative;
  z-index: 2;
  margin-top: 80px;
}
.foot-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--rule-soft);
}
.foot-brand { display: flex; flex-direction: column; gap: 12px; }
.foot-statement { font-size: 13px; color: var(--slate); line-height: 1.55; max-width: 280px; }
.foot-col h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-2);
  margin-bottom: 14px;
}
.foot-col ul { list-style: none; }
.foot-col li { margin-bottom: 8px; }
.foot-col a { font-size: 13px; color: var(--slate); text-decoration: none; transition: color 0.2s ease; }
.foot-col a:hover { color: var(--ink); }
.foot-base {
  max-width: 1280px;
  margin: 22px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--slate-2);
}
.foot-base a { color: var(--slate-2); text-decoration: none; margin-left: 20px; }
.foot-base a:hover { color: var(--ink); }

/* REVEAL ANIMATION ----------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }

/* RESPONSIVE ------------------------------------------------ */
@media (max-width: 1100px) {
  .nav-inner { padding: 12px 20px; gap: 16px; }
  .nav-links { display: none; }
  .foot-inner { grid-template-columns: 1fr 1fr; gap: 28px; padding: 0 20px 28px; }
  footer.foot { padding: 40px 0 24px; }
  .foot-base { padding: 0 20px; flex-direction: column; gap: 10px; align-items: flex-start; }
  .foot-base > div:last-child a { margin-left: 0; margin-right: 16px; }
  .sample-bridge-card { grid-template-columns: 1fr; padding: 28px; gap: 24px; }
  .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .article-hero { padding: 40px 20px 24px; }
  .article-body { padding: 24px 20px 48px; }
  .sample-bridge { padding: 0 20px; }
  .article-meta { flex-wrap: wrap; gap: 16px; }
  .pull-callout { padding: 22px 24px; }
  .pull-callout p { font-size: 16px; }
  .continuity { padding: 28px 24px; }
  .checklist { padding: 22px 24px; }
}