/* ====== Tokens ====== */
:root {
  --white: #FFFFFF;
  --cream: #FFFDF6;
  --navy: #0B1020;
  --navy-soft: #4A5068;
  --yellow: #FFD60A;
  --green-bg: #30A46C;
  --green-text: #0F6B3C;
  --border: #E7E2D4;
  --shadow: 0 1px 2px rgba(11, 16, 32, 0.04), 0 8px 24px rgba(11, 16, 32, 0.06);
  --code-bg: #F6F4EE;
  --result-bg: #FFF6CC;
  --caution-text: #9A6B00;

  --mock-green-bg: #E9F6EE;
  --mock-green-border: #BFE3CC;
  --mock-red-text: #B3261E;
  --mock-red-bg: #FBEAEA;
  --mock-red-border: #F3C8C6;
  --mock-grey-bg: #EEF0F4;
  --mock-grey-border: #DDE1EA;
  --muted-badge-bg: #FFF8D6;
  --muted-badge-border: #E8D27A;
  --yellow-glow: rgba(255, 214, 10, 0.45);
  --white-translucent: rgba(255, 255, 255, 0.96);

  --font-display: ui-serif, Georgia, "Iowan Old Style", "Palatino Linotype", "URW Palladio", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --max-width: 1080px;
}

/* ====== Reset ====== */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--white);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: clip;
}
html { overflow-x: clip; }
img { max-width: 100%; display: block; height: auto; }
a { color: var(--green-text); text-decoration-thickness: 1.5px; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { font-family: var(--font-display); line-height: 1.2; margin: 0; color: var(--navy); }
p { margin: 0 0 0.6em; }
p:last-child { margin-bottom: 0; }
button { font-family: inherit; }
code, pre { font-family: var(--font-mono); }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 0;
  top: -40px;
  background: var(--navy);
  color: var(--white);
  padding: 10px 16px;
  z-index: 200;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  top: 0;
}

:focus-visible {
  outline: 3px solid var(--navy);
  outline-offset: 2px;
  border-radius: 4px;
}

.muted { color: var(--navy-soft); font-size: 0.92em; }

.badge-estimate {
  display: inline-block;
  background: var(--yellow);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 700;
  line-height: 1.4;
  padding: 0.15em 0.6em;
  border-radius: 999px;
  vertical-align: middle;
  white-space: nowrap;
}
.badge-estimate--muted {
  background: var(--muted-badge-bg);
  color: var(--navy);
  box-shadow: inset 0 0 0 1px var(--muted-badge-border);
  font-weight: 600;
}
.nowrap { white-space: nowrap; }

/* ====== Layout shell ====== */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 20px;
}
.section__title {
  font-size: clamp(1.5rem, 1.1rem + 1.3vw, 2rem);
  margin-bottom: 20px;
}
.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
.section__head .section__title { margin-bottom: 0; }
.section__lede {
  color: var(--navy-soft);
  margin-top: -8px;
  margin-bottom: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: 999px;
  border: 2px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}
.btn--primary {
  background: var(--yellow);
  color: var(--navy);
}
.btn--primary:hover { box-shadow: 0 6px 18px var(--yellow-glow); }
.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--navy);
}
.btn--ghost:hover { border-color: var(--navy); }
.btn--small { padding: 6px 14px; font-size: 0.82rem; }

/* ====== Top bar ====== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white-translucent);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--border);
}
.topbar__row {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--navy);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.brand__mark {
  display: inline-flex;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--navy);
  color: var(--yellow);
  align-items: center;
  justify-content: center;
}
.chip-nav {
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
  min-width: 0;
}
.chip-nav::-webkit-scrollbar { display: none; }
.chip-nav ul {
  display: flex;
  gap: 8px;
}
.chip-nav a {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-soft);
  text-decoration: none;
  border: 1px solid var(--border);
}
.chip-nav a.is-active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.reading-progress {
  height: 3px;
  background: transparent;
}
.reading-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--green-bg);
}

/* ====== Hero ====== */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 48px;
}
.hero__inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.hero__text { order: 1; }
.hero__glance { order: 2; }
.hero__media { order: 3; }
.hero__title {
  font-size: clamp(1.9rem, 1.3rem + 2.6vw, 2.9rem);
  letter-spacing: -0.01em;
}
.hero__subtitle {
  font-size: 1.1rem;
  color: var(--navy-soft);
  margin-top: 14px;
  max-width: 34ch;
}
.hero__actions {
  margin-top: 22px;
}
.hero__disclaimer {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--navy-soft);
}
.hero__glance { width: 100%; }

/* ====== Hero device mock ====== */
.device-mock {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 360px;
  margin: 0 auto;
}
@media (min-width: 860px) {
  .device-mock { max-width: 100%; }
}
.device-mock__cal {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.device-mock__day {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--navy-soft);
  margin: 0;
}
.device-mock__rows {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.device-mock__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  background: var(--white);
  border: 1px solid var(--border);
  font-size: 0.82rem;
}
.device-mock__time { font-weight: 600; color: var(--navy); }
.device-mock__name { color: var(--navy-soft); }
.device-mock__row--slot {
  background: var(--mock-green-bg);
  border-color: var(--mock-green-border);
}
.device-mock__status {
  position: relative;
  display: inline-block;
  min-width: 80px;
  height: 1.1em;
}
.device-mock__status-text {
  position: absolute;
  right: 0;
  top: 0;
  white-space: nowrap;
}
.device-mock__status-text--cancelled {
  color: var(--mock-red-text);
  text-decoration: line-through;
  opacity: 0;
}
.device-mock__status-text--filled {
  color: var(--green-text);
  font-weight: 600;
  opacity: 1;
}
.device-mock__sms {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.device-mock__bubble {
  margin: 0;
  padding: 7px 12px;
  border-radius: 14px;
  font-size: 0.74rem;
  line-height: 1.35;
  max-width: 88%;
}
.device-mock__bubble--out {
  background: var(--mock-grey-bg);
  color: var(--navy);
  border: 1px solid var(--mock-grey-border);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.device-mock__bubble--in {
  background: var(--yellow);
  color: var(--navy);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  font-weight: 700;
}
.device-mock__chip {
  align-self: flex-start;
  margin: 0;
  background: var(--green-bg);
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  opacity: 1;
}
@media (prefers-reduced-motion: no-preference) {
  .device-mock__row--slot {
    background: var(--mock-red-bg);
    border-color: var(--mock-red-border);
    animation: deviceMockSlotFill 0.6s ease-out 1.5s forwards;
  }
  .device-mock__status-text--cancelled {
    opacity: 1;
    animation: deviceMockFadeOut 0.5s ease-out 1.5s forwards;
  }
  .device-mock__status-text--filled {
    opacity: 0;
    animation: deviceMockFadeIn 0.5s ease-out 1.7s forwards;
  }
  .device-mock__chip {
    opacity: 0;
    animation: deviceMockFadeIn 0.5s ease-out 2s forwards;
  }
}
@keyframes deviceMockSlotFill { to { background: var(--mock-green-bg); border-color: var(--mock-green-border); } }
@keyframes deviceMockFadeOut { to { opacity: 0; } }
@keyframes deviceMockFadeIn { to { opacity: 1; } }

@media (min-width: 860px) {
  .hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "text media"
      "glance glance";
    align-items: center;
    gap: 28px 32px;
  }
  .hero__text { grid-area: text; order: initial; }
  .hero__media { grid-area: media; order: initial; }
  .hero__glance { grid-area: glance; order: initial; }
}

@media (max-width: 859px) {
  .hero { padding-top: 14px; }
  .hero__inner { gap: 14px; }
  .hero__title { font-size: 1.7rem; }
  .hero__subtitle { margin-top: 8px; }
  .hero__actions { margin-top: 12px; }
  .hero__disclaimer { margin-top: 8px; }
  .hero__glance .section__title { margin-bottom: 8px; font-size: 1.3rem; }
  .glance-grid { gap: 8px; }
  .glance-card__head { font-size: 1.05rem; }
  .glance-card__line { font-size: 0.85rem; }
  .glance-card { padding: 12px 14px; }
}

/* ====== At a glance ====== */
.glance-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
@media (min-width: 860px) {
  .glance-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.glance-card {
  background: var(--cream);
  border: 2px solid var(--navy);
  border-radius: var(--radius-lg);
  box-shadow: none;
  padding: 20px 18px;
}
.glance-card__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--navy-soft);
  margin-bottom: 6px;
}
.glance-card__head {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.25;
}
.glance-card__line {
  color: var(--navy-soft);
  font-size: 0.9rem;
  margin: 0;
}

/* ====== Manual / steps ====== */
.steps-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.steps-progress__track {
  width: 120px;
  height: 8px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.steps-progress__fill {
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--green-bg);
  transition: transform 0.2s ease;
}
@media (prefers-reduced-motion: reduce) {
  .steps-progress__fill { transition: none; }
}
.steps-progress__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-soft);
  white-space: nowrap;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.step {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
}
.step__row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}
.step__row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--green-bg);
  flex-shrink: 0;
}
.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--cream);
  border: 1px solid var(--border);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.step__action {
  font-weight: 600;
  padding-top: 3px;
}
.step.is-done .step__num {
  background: var(--green-bg);
  color: var(--navy);
  border-color: var(--green-bg);
}
.step.is-done .step__action {
  color: var(--navy-soft);
  text-decoration: line-through;
  text-decoration-color: var(--green-bg);
}
.step__details {
  margin-top: 10px;
  margin-left: 40px;
}
.step__details p,
.step__details ul,
.step__details ol {
  margin-top: 10px;
  font-size: 0.93rem;
}
.step__media {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-top: 10px;
  margin-bottom: 4px;
}
.flow-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 6px;
  margin-top: 10px;
  margin-bottom: 4px;
}
.flow-line__item {
  display: inline-block;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  white-space: nowrap;
}
.flow-line__item:not(:last-child)::after {
  content: "\2192";
  display: inline-block;
  margin-left: 10px;
  color: var(--navy-soft);
  font-weight: 400;
}
.step__details ul.bullet-list,
.step__details ol.bullet-list--numbered {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 1.2em;
}
.step__details ul.bullet-list { list-style: disc; }
.step__details ol.bullet-list--numbered { list-style: decimal; }
.step__details li { padding-left: 0.2em; }
.step__details .inline-code-block {
  display: block;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.82rem;
  overflow-x: auto;
  white-space: nowrap;
  margin-top: 8px;
}

/* ====== details/summary ====== */
details.collapsible,
.step__details {
  border-top: none;
}
details.collapsible {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 14px;
}
details.collapsible > summary,
.step__details > summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
details.collapsible > summary { font-size: 1.05rem; }
.step__details > summary { font-size: 0.85rem; color: var(--green-text); }
summary::-webkit-details-marker { display: none; }
summary::marker { content: ""; }
summary::after {
  content: "";
  flex-shrink: 0;
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}
details[open] > summary::after {
  transform: rotate(-135deg);
}
@media (prefers-reduced-motion: reduce) {
  summary::after { transition: none; }
}
details.collapsible > summary ~ * {
  margin-top: 16px;
}
details.collapsible h4 {
  font-size: 1.05rem;
  margin-top: 22px;
  margin-bottom: 10px;
}
details.collapsible h4:first-of-type { margin-top: 16px; }

/* ====== Prompts ====== */
.prompt-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 720px) {
  .prompt-grid { grid-template-columns: repeat(2, 1fr); }
  .prompt-card--featured { grid-column: 1 / -1; }
}
.prompt-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.prompt-card--featured {
  background: var(--cream);
  border-color: var(--yellow);
}
.prompt-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}
.prompt-card__note {
  color: var(--navy-soft);
  font-size: 0.88rem;
  margin-bottom: 12px;
}

.copy-block {
  position: relative;
}
.copy-source {
  background: var(--code-bg);
  color: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0 0 10px;
  max-height: none;
  overflow: hidden;
}
.copy-block.is-clippable .copy-source {
  max-height: 6.5em;
}
.copy-block.is-clippable.is-expanded .copy-source {
  max-height: none;
}
.copy-block.is-clippable .copy-source {
  position: relative;
}
.copy-block.is-clippable:not(.is-expanded) .copy-source {
  -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
}
.copy-block__actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.show-all-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--navy-soft);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}
.copy-btn {
  background: var(--yellow);
  color: var(--navy);
  border: none;
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  margin-left: auto;
}
.copy-block:not(.is-clippable) .copy-btn {
  display: block;
  margin-left: auto;
}
.copy-btn.is-copied {
  background: var(--green-bg);
  color: var(--navy);
}

/* ====== Money ====== */
.money-flow {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  margin-bottom: 20px;
}
.money-flow__top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.flow-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-weight: 700;
  text-align: center;
}
.flow-card--you {
  background: var(--yellow);
  border-color: var(--yellow);
}
.flow-card--vendor {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.9rem;
}
.flow-card--vendor span {
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--navy-soft);
}
.flow-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--green-text);
}
.flow-arrow span {
  font-size: 0.72rem;
  color: var(--navy-soft);
  text-align: center;
  max-width: 14ch;
}
.money-flow__down {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  margin: 14px auto 10px;
  color: var(--navy-soft);
}
.money-flow__down span { font-size: 0.72rem; }
.money-flow__vendors {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.money-flow__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
@media (min-width: 640px) {
  .money-flow__stats { grid-template-columns: repeat(2, 1fr); }
}
.money-flow__stat {
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
  margin: 0;
}
.money-flow__stat--full { grid-column: 1 / -1; }

.money-flow__note {
  text-align: center;
  color: var(--navy-soft);
  font-size: 0.88rem;
  margin-top: 18px;
}

.calculator-card { margin-bottom: 20px; }
.calculator-card h3 { margin-bottom: 4px; }
.calculator__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}
@media (min-width: 640px) {
  .calculator__grid { grid-template-columns: repeat(2, 1fr); }
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.85rem; font-weight: 600; }
.field input {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--navy);
}
.field input:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; border-color: var(--navy); }

.calculator__results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 20px;
}
.result-card {
  background: var(--result-bg);
  color: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.result-card__label {
  font-size: 0.8rem;
  color: var(--navy-soft);
}
.result-card__value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy);
}
.calc-disclaimer {
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--navy-soft);
}

/* ====== Tables as cards / data table ====== */
.table-wrap {
  overflow-x: auto;
  margin: 12px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.data-table thead th {
  background: var(--cream);
  font-weight: 700;
}
.data-table tbody tr:last-child td { border-bottom: none; }

.niche-grid, .tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 16px;
}
@media (min-width: 640px) {
  .niche-grid, .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 900px) {
  .tool-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.niche-card, .tool-card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.niche-card h4, .tool-card h4 { font-size: 1rem; margin-bottom: 8px; }
.niche-card p, .tool-card p { font-size: 0.86rem; margin-bottom: 6px; }
.niche-card__tag {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--green-text);
}
.niche-card--caution .niche-card__tag { color: var(--caution-text); }
.tool-card__role { color: var(--navy-soft); font-size: 0.82rem; }
.tool-card__cost { font-size: 0.8rem; color: var(--navy-soft); margin-top: 10px; margin-bottom: 0; }

.callout--subtle {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.9rem;
}

/* ====== Pricing ====== */
.pricing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 12px;
}
@media (min-width: 640px) {
  .pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.pricing-card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.pricing-card h5 { font-size: 1rem; margin-bottom: 6px; }
.pricing-card__example { font-weight: 700; margin-bottom: 8px; }
.pricing-card p { font-size: 0.86rem; }
.pricing-card__watch { color: var(--navy-soft); }

/* ====== Architecture diagram ====== */
.diagram-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--code-bg);
}
.ascii-diagram {
  color: var(--navy);
  padding: 16px 18px;
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 0;
  white-space: pre;
}

/* ====== Checklists ====== */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}
.check-list label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9rem;
}
.check-list input[type="checkbox"] {
  width: 19px;
  height: 19px;
  margin-top: 2px;
  accent-color: var(--green-bg);
  flex-shrink: 0;
}
.check-list input:checked ~ .ck-text {
  color: var(--navy-soft);
}

/* ====== Sources ====== */
.source-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  counter-reset: source;
}
.source-list li {
  font-size: 0.85rem;
  color: var(--navy-soft);
  padding-left: 1.8em;
  position: relative;
}
.source-list li::before {
  counter-increment: source;
  content: counter(source) ".";
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--navy);
}
.source-list a { word-break: break-word; }

/* ====== Footer ====== */
.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 48px;
  text-align: center;
}
.site-footer__disclaimer {
  font-size: 0.82rem;
  color: var(--navy-soft);
  max-width: 60ch;
  margin: 0 auto 10px;
}
.site-footer__copy {
  font-size: 0.8rem;
  color: var(--navy-soft);
}