/* ============================================================
   Lumina BOS — Marketing Site
   Pure CSS, mobile-first, dark-mode aware, WCAG AA contrast
   ============================================================ */

/* --- Design tokens ------------------------------------------ */
:root {
  --c-navy: #0d2747;
  --c-blue: #1565C0;
  --c-blue-dark: #0d47a1;
  --c-bg: #FFFFFF;
  --c-cream: #FAF8F5;
  --c-text: #37474F;
  --c-text-soft: #607D8B;
  --c-border: #E0E0E0;
  --c-success: #2E7D32;
  --c-shadow: 0 2px 8px rgba(13, 39, 71, 0.06);
  --c-shadow-lg: 0 8px 24px rgba(13, 39, 71, 0.10);
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --max-w: 1200px;
  --font:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", "Noto Sans", "Noto Sans CJK SC",
    "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --c-navy: #e3f2fd;
    --c-blue: #64b5f6;
    --c-blue-dark: #90caf9;
    --c-bg: #0d1421;
    --c-cream: #131c2e;
    --c-text: #e0e6ed;
    --c-text-soft: #b0bec5;
    --c-border: #1f2a3d;
    --c-success: #66bb6a;
    --c-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    --c-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  }
}

/* --- Reset --------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--c-blue); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--c-blue); outline-offset: 2px; border-radius: 3px; }

/* --- Skip link for accessibility ---------------------------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--c-navy);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 999;
}
.skip-link:focus { left: 0; }
@media (prefers-color-scheme: dark) { .skip-link { background: #16283f; } }

/* --- Typography --------------------------------------------- */
h1, h2, h3, h4 {
  color: var(--c-navy);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }
p  { margin: 0 0 1em; }
.lead { font-size: 1.15rem; color: var(--c-text-soft); }

/* --- Layout ------------------------------------------------- */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 1.25rem; }
.section { padding: var(--space-lg) 0; }
.section-cream { background: var(--c-cream); }
@media (min-width: 768px) { .section { padding: var(--space-xl) 0; } }

/* --- Header / Navigation ------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--c-border);
}
@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(13, 20, 33, 0.95); }
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 0.6rem; color: var(--c-navy); font-weight: 700; font-size: 1.1rem; }
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 28px; }

.nav-links {
  list-style: none; padding: 0; margin: 0;
  display: flex; align-items: center; gap: 1.5rem;
}
.nav-links a {
  color: var(--c-text); font-weight: 500; padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover, .nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  color: var(--c-navy);
  border-bottom-color: var(--c-blue);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none; border: 0; padding: 0.5rem;
  cursor: pointer; color: var(--c-navy);
}
.nav-toggle svg { width: 26px; height: 26px; }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--c-bg); border-bottom: 1px solid var(--c-border);
    transform: translateY(-100%); opacity: 0; pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
    padding: 0.5rem 0;
  }
  .nav-links.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block; padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--c-border);
  }
  .nav-links a[aria-current="page"] { border-bottom-color: var(--c-border); background: var(--c-cream); }
}

/* --- Buttons ------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: inherit; font-size: 1rem; font-weight: 600;
  padding: 0.85rem 1.6rem; border-radius: var(--r-md);
  border: 2px solid transparent; cursor: pointer;
  text-decoration: none; transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn.primary {
  background: var(--c-navy); color: #fff;
}
.btn.primary:hover, .btn.primary:focus-visible {
  background: var(--c-blue-dark); text-decoration: none; transform: translateY(-1px);
  box-shadow: var(--c-shadow-lg);
}
@media (prefers-color-scheme: dark) {
  .btn.primary { background: var(--c-blue); color: #0d1421; }
  .btn.primary:hover, .btn.primary:focus-visible { background: var(--c-blue-dark); color: #0d1421; }
}
.btn.secondary {
  background: transparent; color: var(--c-navy);
  border-color: var(--c-navy);
}
.btn.secondary:hover, .btn.secondary:focus-visible {
  background: var(--c-navy); color: #fff; text-decoration: none;
}
@media (prefers-color-scheme: dark) {
  .btn.secondary { color: var(--c-blue); border-color: var(--c-blue); }
  .btn.secondary:hover, .btn.secondary:focus-visible { background: var(--c-blue); color: #0d1421; }
}

/* --- Hero --------------------------------------------------- */
.hero {
  padding: var(--space-lg) 0 var(--space-xl);
  background: linear-gradient(180deg, var(--c-cream) 0%, var(--c-bg) 100%);
  text-align: center;
}
.hero h1 { max-width: 22ch; margin-left: auto; margin-right: auto; }
.hero .lead { max-width: 60ch; margin: 0 auto 2rem; }
.hero-meta {
  margin-top: 1.25rem; font-size: 0.95rem; color: var(--c-text-soft);
}

/* --- Feature grid ------------------------------------------ */
.feature-grid {
  display: grid; grid-template-columns: 1fr;
  gap: var(--space-md); margin-top: var(--space-md);
}
@media (min-width: 600px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .feature-grid { grid-template-columns: 1fr 1fr 1fr; } }

.feature-card {
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-2px); box-shadow: var(--c-shadow-lg);
}
.feature-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--c-cream); color: var(--c-navy);
  font-weight: 700; font-size: 1.1rem;
  margin-bottom: 1rem;
}
.feature-card h3 { margin-bottom: 0.4rem; }
.feature-card p { margin-bottom: 0; color: var(--c-text-soft); font-size: 0.97rem; }

/* --- Two-column / split sections --------------------------- */
.split {
  display: grid; gap: var(--space-md);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: var(--space-lg); } }

/* --- Comparison cards -------------------------------------- */
.compare-grid {
  display: grid; gap: 1rem; margin-top: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) { .compare-grid { grid-template-columns: 1fr 1fr; } }
.compare-card {
  border: 1px solid var(--c-border); border-radius: var(--r-lg); padding: 1.5rem;
  background: var(--c-bg);
}
.compare-card.bad { border-left: 4px solid #C62828; }
.compare-card.good { border-left: 4px solid var(--c-success); }
.compare-card .label {
  font-size: 0.85rem; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--c-text-soft); font-weight: 600;
  margin-bottom: 0.5rem;
}
.compare-card .value { font-size: 1.6rem; font-weight: 700; color: var(--c-navy); }

/* --- Bar comparison (MRP) ---------------------------------- */
.bar-compare { margin-top: 1.5rem; }
.bar-row { margin-bottom: 1rem; }
.bar-row .bar-label {
  display: flex; justify-content: space-between;
  font-weight: 600; margin-bottom: 0.4rem;
}
.bar-track { background: var(--c-cream); height: 14px; border-radius: 7px; overflow: hidden; border: 1px solid var(--c-border); }
.bar-fill { height: 100%; background: var(--c-blue); border-radius: 7px; }
.bar-fill.bad { background: #C62828; }
.bar-fill.good { background: var(--c-success); }

/* --- Module grid -------------------------------------------- */
.module-grid {
  display: grid; gap: 1rem; margin-top: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 600px) { .module-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .module-grid { grid-template-columns: 1fr 1fr 1fr 1fr; } }
.module-card {
  border: 1px solid var(--c-border); border-radius: var(--r-md);
  padding: 1rem; background: var(--c-bg); transition: border-color 0.15s ease;
}
.module-card:hover { border-color: var(--c-blue); }
.module-card h4 { margin: 0 0 0.25rem; color: var(--c-navy); }
.module-card p { margin: 0; font-size: 0.9rem; color: var(--c-text-soft); }
.module-card a { color: inherit; }
.module-card a:hover { text-decoration: none; }

/* --- Module detail (product page) -------------------------- */
.module-block {
  border-top: 1px solid var(--c-border);
  padding: 1.25rem 0;
}
.module-block h3 { margin-bottom: 0.5rem; }
.module-block ul { padding-left: 1.2rem; margin: 0.4rem 0 0; }
.module-block ul li { margin-bottom: 0.3rem; color: var(--c-text-soft); }

/* --- Anchor nav --------------------------------------------- */
.anchor-nav {
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: var(--r-md); padding: 0.75rem 1rem;
  display: flex; flex-wrap: wrap; gap: 0.4rem 1rem;
  font-size: 0.95rem;
}
.anchor-nav a { color: var(--c-text); }
.anchor-nav a:hover { color: var(--c-blue); }

/* --- CTA banner --------------------------------------------- */
.cta-banner {
  background: var(--c-navy); color: #fff;
  border-radius: var(--r-lg); padding: var(--space-md) var(--space-lg);
  text-align: center;
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255, 255, 255, 0.85); margin-bottom: 1.5rem; }
.cta-banner .btn.primary { background: #fff; color: var(--c-navy); border-color: #fff; }
.cta-banner .btn.primary:hover { background: var(--c-cream); color: var(--c-navy); }
/* Dark mode: --c-navy flips to a LIGHT blue (it doubles as a text colour), so
   anything using it as a background must re-pin its own dark surface — white
   copy on the flipped token is unreadable. */
@media (prefers-color-scheme: dark) {
  .cta-banner { background: #16283f; }
  .cta-banner .btn.primary { background: var(--c-blue); color: #0d1421; border-color: var(--c-blue); }
  .cta-banner .btn.primary:hover { background: var(--c-blue-dark); color: #0d1421; border-color: var(--c-blue-dark); }
}

/* --- About page values list -------------------------------- */
.values { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 1rem; }
@media (min-width: 700px) { .values { grid-template-columns: 1fr 1fr; } }
.values li {
  border-left: 3px solid var(--c-blue);
  padding: 0.4rem 0 0.4rem 1rem;
}
.values strong { display: block; color: var(--c-navy); margin-bottom: 0.2rem; }

/* --- Contact form ------------------------------------------- */
.contact-layout {
  display: grid; gap: var(--space-lg);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .contact-layout { grid-template-columns: 2fr 1fr; } }

.contact-form { display: grid; gap: 1.2rem; }
.contact-form label {
  display: block; font-weight: 500;
}
.contact-form label > span {
  display: block; margin-bottom: 0.4rem;
  color: var(--c-navy); font-size: 0.95rem;
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
  width: 100%; padding: 0.75rem 0.9rem;
  font-family: inherit; font-size: 1rem; line-height: 1.4;
  color: var(--c-text); background: var(--c-bg);
  border: 1px solid var(--c-border); border-radius: var(--r-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 0; border-color: var(--c-blue);
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.18);
}
.contact-form textarea { resize: vertical; min-height: 110px; }

.contact-form fieldset {
  border: 1px solid var(--c-border); border-radius: var(--r-md);
  padding: 0.75rem 1rem 1rem; margin: 0;
}
.contact-form legend {
  font-weight: 500; color: var(--c-navy);
  padding: 0 0.4rem; font-size: 0.95rem;
}
.contact-form .radio-group {
  display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; margin-top: 0.4rem;
}
.contact-form .radio {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-weight: 400; cursor: pointer;
}
.contact-form .radio input { margin: 0; }
.contact-form .privacy-notice {
  font-size: 0.85rem; color: var(--c-text-soft); margin-top: 0.5rem;
}

.form-success {
  border: 1px solid var(--c-success); background: rgba(46, 125, 50, 0.06);
  border-radius: var(--r-md); padding: 1.5rem; text-align: center;
}
.form-success h3 { color: var(--c-success); margin-bottom: 0.5rem; }

.contact-aside {
  background: var(--c-cream); border-radius: var(--r-lg);
  padding: var(--space-md); align-self: start;
}
.contact-aside h3 { margin-top: 0; }
.contact-aside dl { margin: 0; }
.contact-aside dt {
  font-weight: 600; color: var(--c-navy); margin-top: 1rem;
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em;
}
.contact-aside dt:first-child { margin-top: 0; }
.contact-aside dd { margin: 0.25rem 0 0; }

/* --- FAQ ---------------------------------------------------- */
.faq-section { margin-bottom: var(--space-md); }
.faq-section h2 { margin-bottom: 1rem; }

details.faq {
  border-bottom: 1px solid var(--c-border);
  padding: 0.6rem 0;
}
details.faq[open] { padding-bottom: 1rem; }
details.faq summary {
  cursor: pointer; padding: 0.6rem 0;
  font-weight: 600; color: var(--c-navy);
  list-style: none; display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "+"; font-size: 1.4rem; line-height: 1; flex-shrink: 0;
  color: var(--c-blue); transition: transform 0.15s ease;
}
details.faq[open] summary::after { content: "−"; }
details.faq .answer { padding: 0.5rem 0 0; color: var(--c-text); }
details.faq .answer p:last-child { margin-bottom: 0; }

/* --- Footer ------------------------------------------------- */
.site-footer {
  background: var(--c-navy); color: #cfd8dc;
  padding: var(--space-md) 0 var(--space-sm);
  font-size: 0.9rem;
}
@media (prefers-color-scheme: dark) {
  .site-footer { background: #060d1a; }
}
.site-footer h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.6rem; }
.site-footer a { color: #cfd8dc; }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid; gap: var(--space-md);
  grid-template-columns: 1fr;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (min-width: 700px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.35rem; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
  padding-top: 1rem; font-size: 0.85rem; color: #90a4ae;
}
.footer-bottom a { color: #90a4ae; }

/* --- Helpers ------------------------------------------------ */
.text-center { text-align: center; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-md { margin-bottom: var(--space-md); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
}

/* ============================================================
   Story, comparison and flow components
   ============================================================ */

/* --- Nav "Book a demo" button ------------------------------ */
.nav-links .nav-cta a {
  background: var(--c-navy); color: #fff;
  padding: 0.5rem 1.1rem; border-radius: var(--r-md);
  border-bottom: 2px solid transparent; font-weight: 600;
}
.nav-links .nav-cta a:hover, .nav-links .nav-cta a:focus-visible {
  background: var(--c-blue-dark); color: #fff; text-decoration: none;
}
@media (prefers-color-scheme: dark) {
  .nav-links .nav-cta a { background: var(--c-blue); color: #0d1421; }
  .nav-links .nav-cta a:hover, .nav-links .nav-cta a:focus-visible { background: var(--c-blue-dark); color: #0d1421; }
}
@media (max-width: 768px) {
  .nav-links .nav-cta a { display: block; border-radius: 0; }
}

/* --- Hero CTA group ---------------------------------------- */
.hero-cta { display: flex; gap: 0.85rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }
.hero-sub { max-width: 60ch; margin: 1rem auto 0; color: var(--c-text-soft); font-size: 0.95rem; }

/* --- Story: traditional shop vs central kitchen ------------ */
.story-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; margin-top: 2rem; }
@media (min-width: 820px) { .story-grid { grid-template-columns: 1fr 1fr; } }
.story-card {
  border: 1px solid var(--c-border); border-radius: var(--r-lg);
  padding: 1.75rem; background: var(--c-bg);
}
.story-card.traditional { border-top: 4px solid #C62828; }
.story-card.smart { border-top: 4px solid var(--c-success); background: var(--c-cream); }
.story-card .tag {
  display: inline-block; font-size: 0.78rem; text-transform: uppercase;
  letter-spacing: 0.06em; font-weight: 700; margin-bottom: 0.3rem;
}
.story-card.traditional .tag { color: #C62828; }
.story-card.smart .tag { color: var(--c-success); }
.story-card h3 { margin-bottom: 0.25rem; }
.story-card ul { list-style: none; padding: 0; margin: 1rem 0 0; }
.story-card li { padding: 0.4rem 0 0.4rem 1.6rem; position: relative; color: var(--c-text); }
.story-card.traditional li::before { content: "\2715"; position: absolute; left: 0; color: #C62828; font-weight: 700; }
.story-card.smart li::before { content: "\2713"; position: absolute; left: 0; color: var(--c-success); font-weight: 700; }
.story-caption { text-align: center; margin-top: 1.25rem; color: var(--c-text-soft); font-style: italic; }

/* --- Callout + fine print ---------------------------------- */
.callout {
  background: var(--c-cream); border-left: 4px solid var(--c-blue);
  border-radius: var(--r-md); padding: 1.25rem 1.5rem; margin-top: 1.75rem;
}
.callout p:last-child { margin-bottom: 0; }
.fineprint { font-size: 0.8rem; color: var(--c-text-soft); margin-top: 0.75rem; }
.price-note {
  font-weight: 600; color: var(--c-navy); margin-top: 1.25rem;
  text-align: center; font-size: 1.05rem;
}

/* --- Proof strip ------------------------------------------- */
.proof-strip { display: grid; gap: 1rem; grid-template-columns: 1fr; margin-top: 2rem; }
@media (min-width: 600px) { .proof-strip { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .proof-strip { grid-template-columns: repeat(4, 1fr); } }
.proof-item {
  display: flex; gap: 0.75rem; align-items: center;
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: var(--r-md); padding: 1rem 1.1rem;
}
.proof-item .pi-icon {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px;
  background: var(--c-cream); display: flex; align-items: center; justify-content: center;
  color: var(--c-blue);
}
.proof-item .pi-icon svg { width: 22px; height: 22px; }
.proof-item .pi-text { font-size: 0.92rem; font-weight: 600; color: var(--c-navy); }

/* --- Steps (how it starts) --------------------------------- */
.steps { display: grid; gap: 1.25rem; grid-template-columns: 1fr; margin-top: 2rem; }
@media (min-width: 820px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step {
  border: 1px solid var(--c-border); border-radius: var(--r-lg);
  padding: 1.5rem; background: var(--c-bg);
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--c-navy); color: #fff; font-weight: 700; font-size: 1.15rem;
  margin-bottom: 0.9rem;
}
@media (prefers-color-scheme: dark) { .step-num { background: var(--c-blue); color: #0d1421; } }
.step h3 { margin-bottom: 0.4rem; }
.step p { margin: 0; color: var(--c-text-soft); font-size: 0.95rem; }

/* --- Personas (who it's for) ------------------------------- */
.persona-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; margin-top: 2rem; }
@media (min-width: 680px) { .persona-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .persona-grid { grid-template-columns: 1fr 1fr 1fr; } }
.persona-card {
  border: 1px solid var(--c-border); border-radius: var(--r-lg);
  padding: 1.5rem; background: var(--c-bg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.persona-card:hover { transform: translateY(-2px); box-shadow: var(--c-shadow-lg); }
.persona-card h3 { margin-bottom: 0.85rem; }
.persona-card .pain, .persona-card .gain {
  display: flex; gap: 0.55rem; align-items: flex-start;
  font-size: 0.95rem; margin-bottom: 0.55rem; line-height: 1.5;
}
.persona-card .pain { color: var(--c-text-soft); }
.persona-card .gain { color: var(--c-text); }
.persona-card .pain .mk { color: #C62828; font-weight: 700; flex-shrink: 0; }
.persona-card .gain .mk { color: var(--c-success); font-weight: 700; flex-shrink: 0; }

/* --- Contact aside WhatsApp button ------------------------- */
.wa-btn { margin-top: 0.4rem; }

/* ============================================================
   Cost-savings cards, flow band, department chips
   ============================================================ */

/* --- Four costs you stop paying (home) ---------------------- */
.save-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; margin-top: var(--space-md); }
@media (min-width: 640px) { .save-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1020px) { .save-grid { grid-template-columns: repeat(4, 1fr); } }
.save-card {
  display: flex; flex-direction: column;
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.save-card:hover { transform: translateY(-2px); box-shadow: var(--c-shadow-lg); }
.save-icon { font-size: 1.9rem; line-height: 1; margin-bottom: 0.9rem; }
.save-card h3 { margin-bottom: 0.4rem; font-size: 1.05rem; }
.save-card p { margin-bottom: 0; color: var(--c-text-soft); font-size: 0.95rem; }
.save-tag {
  margin-top: auto; padding-top: 0.9rem;
  font-weight: 700; font-size: 0.9rem; color: var(--c-success);
}
.save-tag .mk { margin-right: 0.25rem; }

/* --- High-level flow band (product page) -------------------- */
.flow-band {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 0.5rem; margin-top: var(--space-md);
}
.flow-chip {
  display: inline-flex; align-items: center; gap: 0.45rem;
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: 999px; padding: 0.5rem 0.95rem;
  font-size: 0.92rem; font-weight: 600; color: var(--c-navy);
  box-shadow: var(--c-shadow);
}
.flow-chip .fc-ico { font-size: 1.05rem; line-height: 1; }
.flow-band .fb-arrow { color: var(--c-blue); font-weight: 700; font-size: 1.05rem; }

/* --- Department chips (product page) ------------------------ */
.dept-strip {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 0.6rem; margin-top: var(--space-md);
}
.dept-chip {
  background: var(--c-cream); border: 1px solid var(--c-border);
  border-radius: var(--r-md); padding: 0.55rem 1.1rem;
  font-size: 0.95rem; font-weight: 600; color: var(--c-navy);
}