/* Nokshify public website — Brand v2 "Kantha Grid", minimalist customer acquisition design.
   Tokens mirror frontend/src/theme/brand.ts (the single hex source of truth).
   Two brand devices:
   1. The tile grid (.grout) — structure: equal cells joined by 1px grout lines.
   2. The running stitch (.stitch) — connection: dashed saffron rule only where things join or settle.
   Polish & motion follow .agents/skills/better-ui/SKILL.md. */

@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-Latin.woff2') format('woff2');
  font-weight: 400 700;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Anek Latin';
  src: url('../fonts/AnekLatin-Latin.woff2') format('woff2');
  font-weight: 400 700;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Anek Bangla';
  src: url('../fonts/AnekBangla-Bengali.woff2') format('woff2');
  font-weight: 400 700;
  font-display: swap;
  unicode-range: U+0951-0952, U+0964-0965, U+0980-09FE, U+1CD0, U+1CD2, U+1CD5-1CD6, U+1CD8, U+1CE1, U+1CEA, U+1CED, U+1CF2, U+1CF5-1CF7, U+200C-200D, U+20B9, U+25CC, U+A8F1, U+11DF0-11DF1;
}

:root {
  /* Nokshify Brand v2 "Kantha Grid" palette (light mode + dark sider tokens from brand.ts) */
  --surface: #F4F5F7;
  --raised: #FFFFFF;
  --line: #E2E4EA;
  --line-strong: #7E8498;
  --ink: #161A2B;
  --muted: #5A6075;
  --primary: #2B3A8F;
  --primary-hover: #3646A8;
  --primary-active: #222D72;
  --primary-soft: #E9ECFA;
  --on-primary: #FFFFFF;
  --tile-light: #5A6BD0;
  --sider: #1B2463;
  --sider-ink: #C3C8E6;
  --sider-hover: #26307A;
  --on-sider: #FFFFFF;
  --saffron: #E8A317;
  --saffron-hover: #F5BE4A;
  --success: #1E7A4A;
  --success-soft: #E3F3EA;
  --warning: #9A5B00;
  --warning-soft: #FCF0D8;
  --danger: #B42A22;
  --danger-soft: #FCE5E2;
  --info: #2F6690;
  --info-soft: #E3EEF6;
  --focus-ring: #2B3A8F;

  /* Typography */
  --font: 'Inter', 'Anek Bangla', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Anek Latin', 'Anek Bangla', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing & radius scale from brand.ts: SPACE { 1:4, 2:8, 3:12, 4:16, 5:24, 6:32, 7:48 }, RADIUS { sm:4, md:6, lg:10, xl:14, tile:20 } */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-tile: 20px;

  --wrap: 1140px;
  --gutter: clamp(16px, 4vw, 32px);

  /* Layered transparent shadows for overlays/elevated surfaces only (better-ui) */
  --shadow-overlay: 0 0 0 1px rgb(22 26 43 / 0.04), 0 8px 24px rgb(22 26 43 / 0.08);
  --shadow-lift: 0 1px 2px rgb(22 26 43 / 0.04), 0 6px 16px rgb(22 26 43 / 0.07);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 76px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html[lang='bn'] body {
  font-size: 16.5px;
  line-height: 1.7;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: var(--primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  margin: 0;
  text-wrap: balance;
  letter-spacing: -0.015em;
  color: var(--ink);
}

html[lang='bn'] h1,
html[lang='bn'] h2,
html[lang='bn'] h3,
html[lang='bn'] h4 {
  line-height: 1.32;
  letter-spacing: 0;
}

p,
li,
dd {
  margin: 0;
  text-wrap: pretty;
}

.num {
  font-variant-numeric: tabular-nums;
}

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  inset-inline-start: -999px;
  top: 8px;
  background: var(--raised);
  color: var(--ink);
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  z-index: 100;
  font-weight: 600;
  text-decoration: none;
}

.skip:focus {
  inset-inline-start: 8px;
}

/* Canonical visually-hidden utility (modern-web-guidance: forms) */
.sr-only {
  position: absolute;
  clip-path: inset(50%);
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
}

/* ------------------------------------------------------------- brand devices */
/* Running stitch: dashed saffron rule only where two things join or settle */
.stitch {
  height: 2px;
  border: 0;
  margin: 0;
  background-image: linear-gradient(90deg, var(--saffron) 0 55%, transparent 55% 100%);
  background-size: 11px 2px;
  background-repeat: repeat-x;
}

/* Kantha Tile Grid: equal cells joined into one block by 1px grout lines */
.grout {
  display: grid;
  gap: 0;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.grout > * {
  min-width: 0;
  box-shadow: 1px 1px 0 0 var(--line);
}

/* ------------------------------------------------------------- buttons & interactive states */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  transition-property: background-color, border-color, color, transform;
  transition-duration: 150ms;
  transition-timing-function: ease-out;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
}

/* Optical alignment: slightly tighter padding on the icon side (better-ui) */
.btn.has-icon-end {
  padding-inline-end: 18px;
}

@media (prefers-reduced-motion: no-preference) {
  .btn:not(:disabled):active {
    transform: scale(0.96);
  }
}

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

.btn-saffron {
  background: var(--saffron);
  color: var(--ink);
}

.btn-ghost {
  background: var(--raised);
  color: var(--ink);
  border-color: var(--line);
}

.btn-on-dark {
  background: var(--sider-hover);
  color: var(--on-sider);
  border-color: rgb(255 255 255 / 0.14);
}

.btn-sm {
  min-height: 36px;
  padding: 0 14px;
  font-size: 14px;
  border-radius: var(--r-sm);
}

.link-quiet {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 8px;
  color: var(--sider-ink);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition-property: color;
  transition-duration: 150ms;
  transition-timing-function: ease-out;
}

.link-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition-property: color;
  transition-duration: 150ms;
  transition-timing-function: ease-out;
}

@media (hover: hover) {
  .btn-primary:hover {
    background: var(--primary-hover);
  }
  .btn-saffron:hover {
    background: var(--saffron-hover);
  }
  .btn-ghost:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-soft);
  }
  .btn-on-dark:hover {
    background: var(--primary);
    border-color: var(--tile-light);
  }
  .link-quiet:hover {
    color: var(--on-sider);
  }
  .link-inline:hover {
    color: var(--primary-hover);
    text-decoration: underline;
  }
}

/* ------------------------------------------------------------- header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(255 255 255 / 0.94);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 60px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-link img {
  height: 30px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-inline-start: auto;
}

.nav a:not(.btn) {
  color: var(--muted);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  transition-property: background-color, color;
  transition-duration: 120ms;
  transition-timing-function: ease-out;
}

.nav .lang {
  font-weight: 600;
  color: var(--ink) !important;
  border: 1px solid var(--line);
  margin-inline: 6px;
  padding: 5px 10px !important;
}

.nav .btn {
  margin-inline-start: 4px;
}

@media (hover: hover) {
  .nav a:not(.btn):hover {
    background: var(--surface);
    color: var(--ink);
  }
  .nav .lang:hover {
    border-color: var(--primary);
    color: var(--primary) !important;
    background: var(--primary-soft) !important;
  }
}

.menu-btn {
  display: none;
  margin-inline-start: auto;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--raised);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.menu-btn span,
.menu-btn span::before,
.menu-btn span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  margin: auto;
  position: relative;
  content: '';
}

.menu-btn span::before {
  position: absolute;
  top: -6px;
}

.menu-btn span::after {
  position: absolute;
  top: 6px;
}

@media (max-width: 900px) {
  .menu-btn {
    display: inline-grid;
    place-items: center;
  }
  .nav {
    position: fixed;
    inset: 60px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px var(--gutter) 20px;
    background: var(--raised);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-overlay);
    max-height: calc(100dvh - 60px);
    overflow-y: auto;
    overscroll-behavior: contain;
    display: none;
  }
  .nav.open {
    display: flex;
  }
  .nav a:not(.btn) {
    padding: 12px;
    font-size: 16px;
    color: var(--ink);
  }
  .nav .lang {
    margin: 4px 0;
    text-align: center;
  }
  .nav .btn {
    margin: 8px 0 0;
    min-height: 44px;
  }
}

/* ------------------------------------------------------------- hero (the brand's signature moment) */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--sider);
  color: var(--on-sider);
  padding: clamp(48px, 7vw, 84px) 0 clamp(56px, 8vw, 96px);
  isolation: isolate;
  border-bottom: 1px solid var(--line);
}

.hero-floor {
  position: absolute;
  inset-inline-end: -140px;
  bottom: -180px;
  width: min(600px, 70vw);
  height: auto;
  opacity: 0.22;
  z-index: -1;
  pointer-events: none;
}

.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--sider-hover);
  color: var(--sider-ink);
  margin-bottom: 20px;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--saffron);
  flex: none;
}

.hero h1 {
  font-size: clamp(32px, 4.6vw, 52px);
  font-weight: 700;
  color: var(--on-sider);
  line-height: 1.15;
}

html[lang='bn'] .hero h1 {
  line-height: 1.28;
}

/* Brand guideline: saffron is NEVER text on surface/sider. Highlight uses white text + saffron stitch underline. */
.hero h1 em {
  font-style: normal;
  color: var(--on-sider);
  background-image: linear-gradient(90deg, var(--saffron) 0 55%, transparent 55% 100%);
  background-size: 12px 3px;
  background-repeat: repeat-x;
  background-position: 0 100%;
  padding-bottom: 4px;
}

.hero .lead {
  margin-top: 18px;
  font-size: clamp(16px, 1.4vw, 18.5px);
  color: var(--sider-ink);
  max-width: 44ch;
}

.hero .actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}

/* Proof pills matching LoginPage.tsx (.sf-login-copy ul) */
.hero-points {
  list-style: none;
  margin: 28px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgb(255 255 255 / 0.1);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--sider-hover);
  color: var(--on-sider);
  font-size: 13px;
  font-weight: 500;
}

.hero-points li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--saffron);
  flex: none;
}

@media (max-width: 960px) {
  .hero .wrap {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ------------------------------------------------------------- Hero App Preview (concentric radii: outer 16 = inner 10 + 6 padding) */
.app {
  margin: 0;
  padding: 6px;
  background: rgb(255 255 255 / 0.08);
  border: 1px solid rgb(255 255 255 / 0.14);
  border-radius: 16px;
  box-shadow: var(--shadow-overlay);
}

.app-body {
  display: grid;
  grid-template-columns: 122px minmax(0, 1fr);
  min-height: 332px;
  background: var(--surface);
  color: var(--ink);
  border-radius: var(--r-md);
  overflow: hidden;
  font-size: 12px;
  line-height: 1.45;
}

.app-side {
  background: var(--sider);
  color: var(--sider-ink);
  padding: 12px 8px;
  display: grid;
  align-content: start;
  gap: 3px;
  border-inline-end: 1px solid rgb(255 255 255 / 0.08);
}

.app-side img {
  height: 18px;
  width: auto;
  margin: 2px 6px 14px;
}

.app-side b {
  display: block;
  padding: 7px 10px;
  border-radius: var(--r-sm);
  font-weight: 500;
  position: relative;
}

.app-side b.on {
  background: var(--sider-hover);
  color: var(--on-sider);
  font-weight: 600;
}

.app-side b.on::before {
  content: '';
  position: absolute;
  inset-inline-start: -8px;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--saffron);
}

.app-main {
  padding: 12px;
  display: grid;
  gap: 10px;
  align-content: start;
  min-width: 0;
}

.app-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.app-head strong {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--ink);
}

.app-head em {
  font-style: normal;
  background: var(--primary);
  color: var(--on-primary);
  border-radius: var(--r-xs);
  padding: 4px 10px;
  font-weight: 600;
  font-size: 11.5px;
  white-space: nowrap;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.kpis div {
  padding: 9px 10px;
  box-shadow: 1px 0 0 var(--line);
  min-width: 0;
}

.kpis small {
  color: var(--muted);
  display: block;
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kpis b {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  display: block;
  margin-top: 2px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.kpis .up {
  color: var(--success);
  font-size: 10.5px;
  font-weight: 600;
}

.kpis .dn {
  color: var(--warning);
  font-size: 10.5px;
  font-weight: 600;
}

.app-card {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.app-card header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  font-weight: 600;
  color: var(--ink);
}

.app-card .stitch {
  margin: 0 10px;
}

.app-table {
  width: 100%;
  border-collapse: collapse;
}

.app-table td {
  padding: 7px 8px;
  border-top: 1px solid var(--line);
  white-space: nowrap;
}

.app-table td:first-child {
  padding-inline-start: 10px;
}

.app-table td:last-child {
  padding-inline-end: 10px;
  text-align: end;
}

.app-table td.r {
  text-align: end;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.app-table .memo {
  color: var(--primary);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* Soft status pills with 5px static cue dot (matches StatusBadge.tsx) */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.pill::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}

.pill.ok {
  background: var(--success-soft);
  color: var(--success);
}

.pill.warn {
  background: var(--warning-soft);
  color: var(--warning);
}

.pill.bad {
  background: var(--danger-soft);
  color: var(--danger);
}

.pill.info {
  background: var(--info-soft);
  color: var(--info);
}

@media (max-width: 560px) {
  .app-body {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
  }
  .app-side {
    display: none;
  }
  .kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .kpis div {
    box-shadow: 1px 1px 0 var(--line);
  }
  .app-table td:nth-child(2) {
    display: none;
  }
}

/* ------------------------------------------------------------- minimalist section rhythm */
section {
  padding: clamp(56px, 7.5vw, 88px) 0;
  border-bottom: 1px solid var(--line);
}

.bg-surface {
  background: var(--surface);
}

.bg-raised {
  background: var(--raised);
}

.section-head {
  max-width: 42rem;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.section-head .kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--primary);
  margin-bottom: 10px;
}

.section-head .kicker::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--saffron);
  flex: none;
}

.section-head h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 700;
}

.section-head p {
  margin-top: 12px;
  font-size: 16.5px;
  color: var(--muted);
  max-width: 56ch;
}

/* ------------------------------------------------------------- 4 Problems → Answers (Kantha Grout Grid) */
.problems {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.problem {
  padding: 24px 22px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.problem .before {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  justify-self: start;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 12.5px;
  font-weight: 600;
}

.problem h3 {
  font-size: 19px;
  font-weight: 700;
  margin-top: 2px;
}

.problem p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.55;
}

@media (max-width: 1000px) {
  .problems {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 580px) {
  .problems {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ------------------------------------------------------------- Core Feature Stories + Paper Proof Cards */
.story {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.story + .story {
  margin-top: clamp(48px, 6vw, 76px);
  padding-top: clamp(48px, 6vw, 76px);
  border-top: 1px solid var(--line);
}

.story.flip > :first-child {
  order: 2;
}

.story h3 {
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
}

.story .tag {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 4px 10px;
  border-radius: var(--r-sm);
  margin-bottom: 12px;
}

.story > div > p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 16px;
  max-width: 54ch;
}

.checks {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 10px;
}

.checks li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  align-items: start;
}

.checks li::before {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: var(--r-xs);
  margin-top: 4px;
  background: var(--primary-soft)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%232B3A8F' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")
    center / 13px no-repeat;
}

.checks b {
  font-weight: 600;
  color: var(--ink);
}

@media (max-width: 900px) {
  .story {
    grid-template-columns: minmax(0, 1fr);
  }
  .story.flip > :first-child {
    order: 0;
  }
}

/* Paper Proof Card: flat 1px border for structure (better-ui principle 1), concentric inset panels */
.proof {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px;
  font-size: 14px;
  min-width: 0;
}

.proof h4 {
  font-size: 15px;
  padding-bottom: 12px;
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.proof .stitch {
  margin-bottom: 8px;
}

.proof .muted {
  color: var(--muted);
}

.row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
  align-items: center;
}

.row:first-of-type {
  border-top: 0;
}

.row .r {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  white-space: nowrap;
}

.lot {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--r-xs);
  background: var(--primary-soft);
  color: var(--primary);
  margin-inline-end: 4px;
  font-variant-numeric: tabular-nums;
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  background: var(--warning-soft);
  color: var(--warning);
  font-weight: 600;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.45;
}

.alert svg {
  width: 16px;
  height: 16px;
  flex: none;
  margin-top: 2px;
}

.alert.ok {
  background: var(--success-soft);
  color: var(--success);
}

.aging {
  display: flex;
  height: 10px;
  border-radius: var(--r-xs);
  overflow: hidden;
  gap: 2px;
  margin: 8px 0 14px;
}

.aging span:nth-child(1) {
  background: var(--primary);
}
.aging span:nth-child(2) {
  background: var(--saffron);
}
.aging span:nth-child(3) {
  background: var(--warning);
}
.aging span:nth-child(4) {
  background: var(--danger);
}

.legend {
  display: grid;
  gap: 6px;
}

.legend div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
}

.legend i {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  margin-inline-end: 8px;
}

.sms {
  margin-top: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 12px 14px;
  font-size: 13px;
  color: var(--ink);
}

.sms small {
  display: block;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.set {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.set div {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 10px 8px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

.set b {
  display: block;
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
  color: var(--ink);
}

/* ------------------------------------------------------------- Interactive Tile Calculator */
.story.calc-story {
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.story.calc-story > div:first-child {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 24px 48px;
  align-items: end;
}

.story.calc-story .checks {
  margin-top: 0;
}

@media (max-width: 900px) {
  .story.calc-story > div:first-child {
    grid-template-columns: minmax(0, 1fr);
  }
}

.calc {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.calc form {
  padding: clamp(20px, 3vw, 28px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  align-content: start;
  align-items: start;
}

.calc .full {
  grid-column: 1 / -1;
}

/* Form controls (modern-web-guidance: forms — Gestalt proximity, 3:1 border contrast, coarse pointer height) */
.field {
  display: grid;
  gap: 6px;
  min-width: 0;
  align-content: start;
}

.field label,
.field .label {
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  display: block;
}

.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 15px;
  height: 44px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--raised);
  color: var(--ink);
  width: 100%;
  margin: 0;
  transition-property: border-color, box-shadow;
  transition-duration: 120ms;
  transition-timing-function: ease-out;
}

@media (pointer: coarse) {
  .field input,
  .field select {
    height: 48px;
    min-height: 48px;
  }
}

.field textarea {
  height: auto;
  min-height: 88px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
  border-color: var(--primary);
}

.field input[aria-invalid='true'],
.field input:invalid:user-invalid {
  border-color: var(--danger);
}

.field small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.seg {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--surface);
  justify-self: start;
}

.seg label {
  cursor: pointer;
}

.seg input {
  position: absolute;
  clip-path: inset(50%);
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
}

.seg span {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition-property: background-color, color;
  transition-duration: 120ms;
  transition-timing-function: ease-out;
}

.seg input:checked + span {
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
}

.seg input:focus-visible + span {
  outline: 2px solid var(--focus-ring);
  outline-offset: -2px;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  cursor: pointer;
  padding-top: 4px;
}

.check input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  flex: none;
}

.calc-out {
  background: var(--sider);
  color: var(--on-sider);
  padding: clamp(20px, 3vw, 28px);
  display: grid;
  gap: 16px;
  align-content: start;
}

.calc-out .big {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 48px);
  font-weight: 700;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
  color: var(--on-sider);
  margin-top: 4px;
}

.calc-out .big small {
  font-size: 0.42em;
  font-weight: 500;
  color: var(--sider-ink);
  margin-inline-start: 6px;
}

/* Loose pieces pill: saffron badge with dark ink text (never saffron text on dark) */
.calc-detail {
  display: inline-block;
  margin-top: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--saffron);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.calc-detail:empty {
  display: none;
}

.calc-out dl {
  display: grid;
  grid-template-columns: auto auto;
  gap: 8px 16px;
  margin: 0;
  font-size: 14px;
}

.calc-out dt {
  color: var(--sider-ink);
}

.calc-out dd {
  margin: 0;
  text-align: end;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--on-sider);
}

.calc-out .note {
  font-size: 12.5px;
  color: var(--sider-ink);
}

.calc-out .err {
  background: var(--danger-soft);
  color: var(--danger);
  padding: 10px 12px;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  font-weight: 600;
}

.calc-cta {
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid rgb(255 255 255 / 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--sider-ink);
}

@media (max-width: 1024px) {
  .calc form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .calc {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 520px) {
  .calc form {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ------------------------------------------------------------- All Features Grout Matrix & Coming Soon */
.features {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature {
  padding: 20px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.feature .ic {
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
}

.feature .ic svg {
  width: 18px;
  height: 18px;
}

.feature h3 {
  font-size: 16px;
  font-weight: 600;
  margin-top: 2px;
}

.feature p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .features {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .features {
    grid-template-columns: minmax(0, 1fr);
  }
}

.soon {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.soon strong {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  margin-inline-end: 6px;
}

.soon strong::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--saffron);
}

.soon span {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
}

/* ------------------------------------------------------------- Roles & 3-Step Onboarding */
.roles {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.role {
  padding: 20px;
  display: grid;
  gap: 6px;
  align-content: start;
}

.role b {
  font-family: var(--font-display);
  font-size: 16.5px;
  color: var(--ink);
}

.role p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .roles {
    grid-template-columns: minmax(0, 1fr);
  }
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  counter-reset: step;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.step {
  position: relative;
  padding: 24px;
  box-shadow: 1px 1px 0 0 var(--line);
  display: grid;
  gap: 8px;
  align-content: start;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  width: 34px;
  height: 34px;
  border-radius: var(--r-sm);
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 6px;
}

html[lang='bn'] .step::before {
  content: counter(step, bengali);
}

.step h3 {
  font-size: 18.5px;
}

.step p {
  color: var(--muted);
  font-size: 14.5px;
}

@media (max-width: 820px) {
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ------------------------------------------------------------- Plans (B2B Conversion Cards) */
.plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}

.plan {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.plan.pick {
  border: 2px solid var(--primary);
  position: relative;
}

.plan.pick .badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--saffron);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
}

.plan h3 {
  font-size: 22px;
}

.plan .for {
  color: var(--muted);
  font-size: 14px;
  margin-top: -8px;
}

.plan .stitch {
  margin: 2px 0;
}

.plan .price {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  padding-top: 8px;
  border-top: 1px solid var(--line);
  margin-top: auto;
}

.plan .checks {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 14.5px;
}

@media (max-width: 900px) {
  .plans {
    grid-template-columns: minmax(0, 1fr);
    max-width: 480px;
  }
}

/* ------------------------------------------------------------- FAQ (Two-Column Split Layout) */
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: start;
}

.faq-layout .section-head {
  margin-bottom: 0;
}

.faq {
  display: grid;
  gap: 0;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.faq details {
  padding: 0 20px;
  border-top: 1px solid var(--line);
}

.faq details:first-child {
  border-top: 0;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-weight: 600;
  font-size: 15.5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--ink);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: '+';
  font-size: 20px;
  font-weight: 500;
  line-height: 1;
  color: var(--primary);
  flex: none;
}

.faq details[open] summary::after {
  content: '−';
}

.faq details p {
  padding: 0 0 16px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
}

@media (max-width: 860px) {
  .faq-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ------------------------------------------------------------- Demo Acquisition Split-Panel */
.demo {
  background: var(--sider);
  color: var(--on-sider);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 0;
}

.demo-floor {
  position: absolute;
  inset-inline-start: -140px;
  bottom: -180px;
  width: 480px;
  height: auto;
  opacity: 0.18;
  z-index: -1;
  pointer-events: none;
}

.demo .wrap {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.demo h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  color: var(--on-sider);
}

.demo .intro p {
  margin-top: 14px;
  color: var(--sider-ink);
  font-size: 16.5px;
  max-width: 42ch;
}

.contact {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.contact a {
  color: var(--on-sider);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--r-md);
  background: var(--sider-hover);
  border: 1px solid rgb(255 255 255 / 0.08);
  font-weight: 600;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  transition-property: background-color, border-color;
  transition-duration: 150ms;
  transition-timing-function: ease-out;
}

@media (hover: hover) {
  .contact a:hover {
    background: var(--primary);
    border-color: var(--tile-light);
  }
}

.contact a span.ic {
  width: 38px;
  height: 38px;
  border-radius: var(--r-sm);
  background: rgb(255 255 255 / 0.1);
  display: grid;
  place-items: center;
  flex: none;
}

.contact small {
  display: block;
  color: var(--sider-ink);
  font-weight: 400;
  font-size: 12px;
}

.demo-form {
  background: var(--raised);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(20px, 3vw, 28px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}

.demo-form .full {
  grid-column: 1 / -1;
}

.demo-form .err {
  color: var(--danger);
  font-size: 12.5px;
  font-weight: 500;
  min-height: 1.2em;
}

.demo-form .err:empty {
  display: none;
}

.demo-form .done {
  display: none;
  grid-column: 1 / -1;
  background: var(--success-soft);
  color: var(--success);
  padding: 12px 14px;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: 14px;
}

.demo-form.sent .done {
  display: block;
}

@media (max-width: 900px) {
  .demo .wrap {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 520px) {
  .demo-form {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ------------------------------------------------------------- Self-service support (knowledge base) */
.kb-hero {
  background: var(--sider);
  color: var(--on-sider);
  padding: 40px 0 44px;
  text-align: center;
}

.kb-hero .eyebrow {
  margin-bottom: 12px;
}

.kb-hero h1 {
  font-size: clamp(25px, 3.2vw, 34px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--on-sider);
  margin: 0 0 8px;
}

.kb-hero p.lead {
  font-size: 16px;
  color: var(--sider-ink);
  max-width: 52ch;
  margin: 0 auto 22px;
}

.kb-search-wrap {
  max-width: 600px;
  margin: 0 auto;
}

.kb-search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  background: var(--raised);
  border: 2px solid transparent;
  border-radius: var(--r-lg);
  padding: 3px 16px;
}

.kb-search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft);
}

.kb-search-icon {
  flex: none;
  color: var(--muted);
}

.kb-search-input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  padding: 12px 0;
  outline: 0;
}

.kb-search-input::-webkit-search-decoration,
.kb-search-input::-webkit-search-cancel-button,
.kb-search-input::-webkit-search-results-button,
.kb-search-input::-webkit-search-results-decoration {
  display: none;
  -webkit-appearance: none;
}

.kb-search-clear {
  display: none;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: var(--surface);
  border: 0;
  border-radius: var(--r-sm);
  color: var(--muted);
  cursor: pointer;
}

.kb-search-clear.active {
  display: inline-flex;
}

.kb-contact {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  margin: 18px 0 0;
  padding: 0;
  font-size: 14px;
}

.kb-contact a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--on-sider);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

@media (hover: hover) {
  .kb-contact a:hover {
    border-bottom: 1px solid var(--saffron);
  }
}

.kb-contact svg {
  width: 16px;
  height: 16px;
  color: var(--sider-ink);
}

.kb-body {
  background: var(--surface);
  padding: 36px 0 72px;
}

.kb-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-bottom: 18px;
}

.kb-cat-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  max-width: 100%;
  padding: 4px 0 2px;
}

.kb-cat-btn {
  font: inherit;
  font-size: 13.5px;
  font-weight: 500;
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--raised);
  color: var(--ink);
  white-space: nowrap;
  cursor: pointer;
}

@media (hover: hover) {
  .kb-cat-btn:not(.active):hover {
    border-color: var(--primary);
    color: var(--primary);
  }
}

.kb-cat-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--on-primary);
}

.kb-count {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
}

.kb-list {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.kb-guide {
  border-top: 1px solid var(--line);
}

.kb-guide:first-child {
  border-top: 0;
}

.kb-guide > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 56px;
  padding: 15px 20px;
}

.kb-guide > summary::-webkit-details-marker {
  display: none;
}

.kb-guide > summary::after {
  content: '+';
  flex: none;
  font-size: 20px;
  font-weight: 500;
  line-height: 1;
  color: var(--primary);
}

.kb-guide[open] > summary::after {
  content: '−';
}

.kb-guide > summary:focus-visible {
  outline-offset: -2px;
}

.kb-guide-text {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 3px;
}

.kb-guide-cat {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.kb-guide-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

@media (hover: hover) {
  .kb-guide > summary:hover .kb-guide-title {
    color: var(--primary);
  }
}

.kb-guide[open] > summary {
  background: var(--surface);
}

.kb-guide-body {
  padding: 2px 20px 20px;
}

.kb-summary {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 14px;
  max-width: 68ch;
}

.kb-steps {
  list-style: none;
  counter-reset: kb-counter;
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
}

.kb-steps li {
  counter-increment: kb-counter;
  position: relative;
  padding-left: 34px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink);
}

.kb-steps li::before {
  content: counter(kb-counter);
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kb-steps code {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 1px 6px;
  font-size: 12.5px;
  color: var(--primary);
}

.kb-note {
  background: var(--surface);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--muted);
}

.kb-note strong {
  color: var(--ink);
}

.kb-empty {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 56px 24px;
  text-align: center;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.kb-empty svg {
  width: 40px;
  height: 40px;
  color: var(--muted);
}

.kb-empty h2 {
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

.kb-empty p {
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0;
}

/* ------------------------------------------------------------- Footer */
.site-footer {
  background: var(--sider);
  color: var(--sider-ink);
  padding: 44px 0 32px;
  font-size: 14.5px;
  border-top: 1px solid rgb(255 255 255 / 0.1);
}

.site-footer .wrap {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.site-footer img {
  height: 28px;
  width: auto;
}

.site-footer h4 {
  color: var(--on-sider);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.site-footer a {
  color: var(--sider-ink);
  text-decoration: none;
  transition-property: color;
  transition-duration: 120ms;
  transition-timing-function: ease-out;
}

@media (hover: hover) {
  .site-footer a:hover {
    color: var(--on-sider);
  }
}

.site-footer .legal {
  grid-column: 1 / -1;
  border-top: 1px solid rgb(255 255 255 / 0.1);
  padding-top: 18px;
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

@media (max-width: 820px) {
  .site-footer .wrap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .site-footer .wrap {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ------------------------------------------------------------- Sticky mobile call/demo bar */
.mobile-cta {
  display: none;
}

@media (max-width: 720px) {
  .mobile-cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    position: fixed;
    inset: auto 0 0 0;
    z-index: 40;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
    background: rgb(255 255 255 / 0.96);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--line);
  }
  .mobile-cta .btn {
    min-height: 44px;
  }
  body {
    padding-bottom: 68px;
  }
}

/* ------------------------------------------------------------- Gentle reveal (movement only, never hides content) */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    transform: translateY(12px);
    transition-property: transform;
    transition-duration: 300ms;
    transition-timing-function: ease-out;
  }
  .js .reveal.in {
    transform: none;
  }
}