:root {
  --bg: #F4EFE6;
  --bg-card: #FCFAF5;
  --bg-elevated: #FFFFFF;
  --ink: #1A1816;
  --ink-quiet: #6E665B;
  --ink-soft: #A39A8C;
  --rule: #E5DDCD;
  --rule-soft: #EDE6D7;
  --accent: #B8412C;
  --accent-soft: #E8B5A6;
  --accent-deep: #8C2E1D;
  --green: #4A6741;
  --gold: #B08540;

  --display: "Fraunces", Georgia, serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--ink); text-decoration: none; transition: color 120ms ease; }
a:hover { color: var(--accent); }

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

/* ----- Header ----- */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}
.header-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  display: flex; align-items: baseline; gap: 2px;
}
.brand-mark {
  color: var(--accent);
  font-style: italic;
  font-variation-settings: "SOFT" 50;
}
.brand-tail { color: var(--ink); }
.site-nav {
  display: flex; gap: 4px; flex-wrap: wrap;
}
.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-quiet);
  padding: 6px 12px;
  border-radius: 4px;
  letter-spacing: 0.01em;
}
.nav-link:hover {
  color: var(--ink);
  background: var(--rule-soft);
}
.nav-link.active {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.cta-build {
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  transition: all 160ms ease;
}
.cta-build:hover {
  background: var(--ink);
  color: var(--bg);
}

/* ----- Hero ----- */
.hero {
  max-width: 1320px;
  margin: 0 auto;
  padding: 80px 32px 56px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px;
  align-items: end;
  border-bottom: 1px solid var(--rule);
}
.hero-tag {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(40px, 5.6vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 28px 0;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}
.hero-title em {
  font-style: italic;
  color: var(--accent);
  font-variation-settings: "opsz" 144, "SOFT" 80;
}
.hero-lede {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-quiet);
  max-width: 640px;
  margin: 0 0 36px 0;
}
.family-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px 7px 14px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-card);
  transition: all 160ms ease;
}
.chip:hover {
  background: var(--ink);
  color: var(--bg);
}
.chip:hover .chip-count { color: var(--bg-card); }
.chip-count {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-quiet);
  font-weight: 500;
}
.hero-side {
  display: flex; flex-direction: column; gap: 24px;
  border-left: 1px solid var(--rule);
  padding-left: 32px;
}
.hero-stat .stat-num {
  font-family: var(--display);
  font-size: 56px;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 144;
}
.hero-stat .stat-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-quiet);
  margin-top: 4px;
}

/* ----- Filter hero ----- */
.filter-hero {
  max-width: 1320px;
  margin: 0 auto;
  padding: 64px 32px 48px;
  border-bottom: 1px solid var(--rule);
}
.filter-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 20px 0;
}
.filter-title em {
  font-style: italic;
  color: var(--accent);
}
.filter-lede {
  font-size: 17px;
  color: var(--ink-quiet);
  max-width: 720px;
  margin: 0 0 24px 0;
}
.filter-stats {
  display: flex; gap: 12px; flex-wrap: wrap;
}
.stat-pill {
  font-family: var(--mono);
  font-size: 12px;
  padding: 6px 12px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.stat-pill strong {
  color: var(--accent);
  font-weight: 600;
}
.stat-pill-quiet {
  border-color: var(--rule);
  color: var(--ink-quiet);
}

/* ----- Grid ----- */
.grid-section {
  max-width: 1320px;
  margin: 0 auto;
  padding: 56px 32px 96px;
}
.section-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 16px;
}
.section-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 28px;
  margin: 0;
  letter-spacing: -0.015em;
}
.search-wrap {
  display: flex;
  justify-content: center;
}
.gallery-search {
  width: 100%;
  max-width: 480px;
  padding: 10px 16px;
  font-family: var(--sans);
  font-size: 14px;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink);
  transition: border-color 160ms ease, background 160ms ease;
}
.gallery-search:focus {
  outline: none;
  border-color: var(--ink);
  background: #fff;
}
.gallery-search::placeholder { color: var(--ink-soft); }
.section-meta {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-quiet);
  white-space: nowrap;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px 24px;
}

.card {
  background: transparent;
}
.card-link {
  display: block;
  color: inherit;
}
.card-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
  transition: transform 240ms cubic-bezier(.2,.7,.3,1), border-color 160ms ease;
}
.card-link:hover .card-thumb {
  transform: translateY(-2px);
  border-color: var(--ink);
}
.card-thumb img {
  position: relative;
  z-index: 2;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 360ms cubic-bezier(.2,.7,.3,1);
}
.card-link:hover .card-thumb img {
  transform: scale(1.04);
}
.thumb-fallback {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
}
.family-icon {
  width: 38px;
  height: 38px;
  opacity: 0.55;
  margin-bottom: 4px;
}
.thumb-fallback-mark {
  font-family: var(--display);
  font-size: 56px;
  font-weight: 300;
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1;
}
.thumb-fallback-id {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.55;
}
.family-bg-dynamic { background: linear-gradient(135deg, #F2DCC5, #E8C99E); color: #5C3A1E; }
.family-bg-interactive { background: linear-gradient(135deg, #E8E3D7, #D6CDB8); color: #2A2620; }
.family-bg-gamified { background: linear-gradient(135deg, #E6D9A8, #C9B477); color: #4A3A12; }
.family-bg-impact { background: linear-gradient(135deg, #E8C2B5, #C8917F); color: #4A1F12; }
.family-bg-calculators { background: linear-gradient(135deg, #C8D4B8, #97AC82); color: #2A3818; }
.family-bg-moment-marketing { background: linear-gradient(135deg, #D4C5E0, #B098C7); color: #2D1F4A; }
.thumb-blank {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--bg-card), var(--rule-soft));
  display: flex; align-items: center; justify-content: center;
}
.blank-mark {
  font-family: var(--display);
  font-size: 64px;
  font-weight: 300;
  color: var(--ink-soft);
  font-style: italic;
}
.card-body {
  padding: 14px 2px 0 2px;
}
.card-meta {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 8px;
}
.family-tag {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 2px;
  background: var(--ink);
  color: var(--bg);
}
.family-tag.family-dynamic { background: var(--accent); }
.family-tag.family-interactive { background: var(--ink); }
.family-tag.family-gamified { background: var(--gold); color: #1A1816; }
.family-tag.family-impact { background: var(--accent-deep); }
.family-tag.family-calculators { background: var(--green); }
.family-tag.family-richmedia { background: var(--ink-quiet); }
.ctr-pill {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--ink);
  padding: 3px 8px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--bg-card);
}
.ctr-suffix { color: var(--ink-soft); font-weight: 400; }
.card-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

/* ----- Detail page ----- */
.detail-main {
  max-width: 1140px;
  margin: 0 auto;
  padding: 32px 32px 96px;
}
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-quiet);
  margin-bottom: 32px;
}
.breadcrumb a { color: var(--ink-quiet); }
.breadcrumb a:hover { color: var(--accent); }
.crumb-sep { color: var(--ink-soft); }
.crumb-current { color: var(--accent); }

.detail-head {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--rule);
}
.detail-meta-top {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 20px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-quiet);
  letter-spacing: 0.05em;
}
.template-id { color: var(--ink-quiet); }
.created { color: var(--ink-soft); }
.meta-divider { color: var(--ink-soft); }
.detail-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 16px 0;
  font-variation-settings: "opsz" 144;
}
.detail-desc {
  font-size: 17px;
  color: var(--ink-quiet);
  line-height: 1.55;
  margin: 0;
  max-width: 720px;
}

.demo-block {
  margin-bottom: 56px;
}
.demo-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 20px;
}
.open-new {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Device toggle */
.device-toggle {
  display: inline-flex;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 4px;
  margin-bottom: 32px;
  gap: 2px;
}
.device-tab {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 8px 18px;
  background: transparent;
  border: 0;
  border-radius: 999px;
  color: var(--ink-quiet);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}
.device-tab.is-active {
  background: var(--ink);
  color: var(--bg-card);
}
.device-tab:not(.is-active):hover {
  color: var(--ink);
}

/* Device stage — neutral background, large breathing room */
.device-stage {
  position: relative;
  width: 100%;
  background: linear-gradient(180deg, var(--bg-card), var(--bg));
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 56px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 540px;
}
.device-stage .device { display: none; }
.device-stage[data-active="desktop"] .device-desktop,
.device-stage[data-active="mobile"] .device-mobile,
.device-stage[data-active="tablet"] .device-tablet,
.device-stage[data-active="ctv"] .device-ctv { display: block; }

/* Shared device chrome */
.device-screen {
  position: relative;
  background: #fff;
  overflow: hidden;
}
.device-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.device-content video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
  z-index: 2;
}

/* Desktop / laptop frame */
.device-desktop {
  width: min(100%, 720px);
}
.device-desktop .device-screen {
  aspect-ratio: 16 / 10;
  border: 8px solid #1A1816;
  border-radius: 12px 12px 4px 4px;
  box-shadow: 0 24px 60px -20px rgba(26,24,22,0.25);
}
.device-desktop .device-base {
  width: 110%;
  height: 14px;
  margin: 0 auto;
  margin-left: -5%;
  background: linear-gradient(180deg, #2A2620, #1A1816);
  border-radius: 0 0 14px 14px;
  position: relative;
}
.device-desktop .device-base::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: rgba(0,0,0,0.3);
  border-radius: 0 0 6px 6px;
}

/* Mobile / phone frame */
.device-mobile {
  width: 280px;
}
.device-mobile .device-screen {
  aspect-ratio: 9 / 19;
  border: 10px solid #1A1816;
  border-radius: 36px;
  box-shadow: 0 24px 60px -20px rgba(26,24,22,0.3);
  position: relative;
}
.device-mobile .device-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 22px;
  background: #1A1816;
  border-radius: 999px;
  z-index: 5;
  pointer-events: none;
}

/* Tablet frame */
.device-tablet {
  width: min(100%, 580px);
}
.device-tablet .device-screen {
  aspect-ratio: 4 / 3;
  border: 14px solid #1A1816;
  border-radius: 18px;
  box-shadow: 0 24px 60px -20px rgba(26,24,22,0.25);
}
.device-tablet .device-home {
  width: 38px;
  height: 4px;
  background: rgba(26,24,22,0.4);
  border-radius: 999px;
  margin: 8px auto 0;
}

/* CTV / Connected TV frame */
.device-ctv {
  width: min(100%, 760px);
}
.device-ctv .device-screen {
  aspect-ratio: 16 / 9;
  border: 18px solid #1A1816;
  border-radius: 6px;
  box-shadow: 0 32px 80px -24px rgba(26,24,22,0.35);
  background: #000;
}
.device-ctv .device-mount {
  width: 96px;
  height: 12px;
  background: linear-gradient(180deg, #2A2620, #1A1816);
  margin: 0 auto;
  border-radius: 0 0 4px 4px;
}
.device-ctv .device-stand {
  width: 220px;
  height: 5px;
  background: rgba(26,24,22,0.7);
  margin: 4px auto 0;
  border-radius: 999px;
  box-shadow: 0 6px 14px -6px rgba(26,24,22,0.25);
}

/* Typographic fallback inside device screen */
.device-fallback {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
}
.device-fallback-mark {
  font-family: var(--display);
  font-size: 88px;
  font-weight: 300;
  font-style: italic;
  letter-spacing: -0.03em;
  line-height: 1;
}
.device-mobile .device-fallback-mark { font-size: 56px; }
.device-fallback-id {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.55;
}

/* Bottom CTA */
.device-cta {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 28px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  background: var(--accent);
  color: #fff;
  border-radius: 2px;
  text-decoration: none;
  transition: background 160ms ease;
}
.device-cta:hover { background: var(--accent-deep); }

/* Legacy fallback class (used by elif video-only branch) */
.demo-frame-wrap {
  position: relative;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.demo-frame-wrap--video { aspect-ratio: 4 / 3; }
.demo-frame-wrap video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  border: 0; object-fit: contain; background: transparent; z-index: 2;
}
.demo-fallback {
  position: absolute; inset: 0; z-index: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; padding: 32px; text-align: center;
}
.demo-fallback-mark {
  font-family: var(--display); font-size: 120px; font-weight: 300;
  font-style: italic; letter-spacing: -0.03em; line-height: 1;
}
.demo-fallback-title {
  font-family: var(--display); font-size: 22px; font-weight: 400;
  letter-spacing: -0.01em; line-height: 1.2; max-width: 520px; opacity: 0.85;
}
.demo-fallback-id {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; opacity: 0.55;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  margin-bottom: 64px;
}
.block {
  margin-bottom: 40px;
}
.block-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0 0 8px 0;
}
.block-note {
  font-size: 14px;
  color: var(--ink-quiet);
  margin: 0 0 20px 0;
}
.req-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 8px 24px;
}
.req-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 14px;
  color: var(--ink);
}
.req-bullet {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}
.req-bullet-quiet {
  background: var(--ink-soft);
}
.module-chips {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.module-chip {
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 10px;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.side-card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 28px;
  position: sticky;
  top: 100px;
}
.meta-row {
  padding: 16px 0;
  border-bottom: 1px solid var(--rule-soft);
}
.meta-row:first-child { padding-top: 0; }
.meta-row:last-child { border-bottom: 0; padding-bottom: 0; }
.meta-label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-quiet);
  margin-bottom: 8px;
}
.meta-value {
  display: flex; flex-wrap: wrap; gap: 6px;
  font-size: 14px;
  color: var(--ink);
}
.meta-value-prose {
  display: block;
  line-height: 1.5;
  color: var(--ink-quiet);
  font-size: 13px;
}
.tag-chip {
  font-size: 12px;
  padding: 3px 9px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--accent-deep);
  border-radius: 2px;
  text-transform: lowercase;
}
.tag-chip-quiet {
  background: var(--rule-soft);
  color: var(--ink-quiet);
}
.ctr-big {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.ctr-suffix-big {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-soft);
}

.cta-strong {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 24px;
  padding: 18px 24px;
  background: var(--ink);
  color: var(--bg);
  border-radius: 4px;
  font-weight: 500;
  font-size: 14px;
  transition: background 160ms ease;
}
.cta-strong:hover {
  background: var(--accent);
  color: var(--bg);
}
.cta-arrow { font-family: var(--display); font-size: 18px; }

/* ----- Use case landing pages ----- */
.breadcrumb-page {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 32px 0;
}
.usecase-hero {
  max-width: 1320px;
  margin: 0 auto;
  padding: 56px 32px 40px;
}
.usecase-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 16px 0 24px;
  max-width: 18ch;
}
.usecase-title em {
  font-style: italic;
  color: var(--accent);
  font-weight: 300;
}
.usecase-lede {
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-quiet);
  max-width: 720px;
  margin-bottom: 24px;
}
.usecase-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-quiet);
}
.usecase-meta strong {
  font-family: var(--display);
  font-style: italic;
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
  margin-right: 4px;
}
.usecase-cta {
  color: var(--accent);
  font-family: var(--sans);
  font-size: 13px;
  text-decoration: none;
  font-weight: 500;
}
.usecase-cta:hover { color: var(--accent-deep); }
.usecase-qa {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px 24px;
}
.usecase-footer-cta {
  max-width: 1320px;
  margin: 64px auto 0;
  padding: 56px 32px;
  background: linear-gradient(135deg, var(--bg-card), rgba(184, 65, 44, 0.08));
  border-radius: 12px;
  text-align: center;
}
.usecase-footer-cta p {
  font-family: var(--sans);
  font-size: 16px;
  color: var(--ink-quiet);
  max-width: 540px;
  margin: 12px auto 24px;
  line-height: 1.6;
}
.usecase-footer-cta .cta-strong {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--accent);
  color: #fff;
  padding: 16px 28px;
  border-radius: 4px;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  transition: background 160ms ease;
}
.usecase-footer-cta .cta-strong:hover { background: var(--accent-deep); }

/* Use cases index grid */
.usecase-grid {
  max-width: 1320px;
  margin: 24px auto 0;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.usecase-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 28px 26px;
  text-decoration: none;
  color: var(--ink);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}
.usecase-card:hover {
  transform: translateY(-3px);
  border-color: var(--ink);
  box-shadow: 0 16px 32px -16px rgba(26,24,22,0.18);
}
.usecase-card-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.usecase-card-title {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 10px;
}
.usecase-card-lede {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-quiet);
  margin-bottom: 16px;
}
.usecase-card-cta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-transform: uppercase;
}

/* ----- Q&A block (FAQPage schema, AEO) ----- */
.qa-block {
  margin: 48px 0 56px;
  border-top: 1px solid var(--rule);
  padding-top: 40px;
}
.qa-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.qa-item {
  border-bottom: 1px solid var(--rule);
  padding: 18px 0;
}
.qa-item[open] {
  padding-bottom: 22px;
}
.qa-q {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  color: var(--ink);
}
.qa-q::-webkit-details-marker { display: none; }
.qa-q::after {
  content: "+";
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 300;
  color: var(--accent);
  transition: transform 200ms ease;
}
.qa-item[open] .qa-q::after { content: "−"; }
.qa-a {
  margin-top: 14px;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-quiet);
  max-width: 720px;
}

.related-block {
  border-top: 1px solid var(--rule);
  padding-top: 56px;
}
.grid-related {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px 20px;
}

/* ----- About ----- */
.about-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 32px 96px;
}
.about-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(36px, 4.8vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 32px 0;
}
.about-title em {
  font-style: italic;
  color: var(--accent);
}
.about-lede {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink);
  margin: 0 0 48px 0;
}
.about-h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: -0.01em;
  margin: 56px 0 16px 0;
}
.about-article p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  margin: 0 0 16px 0;
}
.about-article strong {
  color: var(--ink);
  font-weight: 600;
}
.about-list {
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.7;
}
.about-list li { margin-bottom: 8px; }
.about-cta {
  margin-top: 48px !important;
  padding: 20px 24px;
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  font-size: 15px;
}
.about-cta a {
  color: var(--accent);
  font-weight: 600;
}

/* ----- Footer ----- */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 56px 0 32px;
  margin-top: 80px;
  background: linear-gradient(180deg, transparent, rgba(232, 217, 199, 0.18));
}
.footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--rule);
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col--brand { padding-right: 32px; }
.footer-brand {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.footer-brand em { font-style: italic; font-weight: 300; color: var(--accent); }
.footer-tag {
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-quiet);
  margin-top: 4px;
  max-width: 320px;
}
.footer-h {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.footer-col a {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink);
  text-decoration: none;
  transition: color 160ms ease;
}
.footer-col a:hover { color: var(--accent); }
.footer-base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-line {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-quiet);
  letter-spacing: 0.05em;
}
.footer-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
}

/* Sticky bottom CTA */
.sticky-cta {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 50;
  background: var(--ink);
  color: var(--bg-card);
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  box-shadow: 0 12px 32px -8px rgba(26,24,22,0.35);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform 200ms ease, background 200ms ease;
}
.sticky-cta:hover { background: var(--accent); transform: translateY(-2px); }
.sticky-cta-arrow { font-family: var(--mono); }

/* ----- Mobile ----- */
@media (max-width: 880px) {
  .header-inner { padding: 14px 20px; gap: 16px; }
  .site-nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 48px 20px 40px; }
  .hero-side { flex-direction: row; border-left: 0; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 32px; gap: 40px; }
  .hero-stat .stat-num { font-size: 36px; }
  .filter-hero { padding: 40px 20px 32px; }
  .grid-section { padding: 32px 20px 56px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 20px 16px; }
  .card-title { font-size: 15px; }
  .detail-main { padding: 20px 20px 56px; }
  .detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .side-card { position: static; }
  .demo-frame-wrap { aspect-ratio: 1 / 1; }
  .req-list { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; padding: 0 20px; }
  .about-main { padding: 48px 20px 64px; }
}