* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5b6472;
  --line: #d8dee8;
  --paper: #ffffff;
  --soft: #f4f7fb;
  --brand: #2447ff;
  --accent: #e43f8f;
  --green: #128c6f;
  --amber: #b26b00;
}

body.concept-page {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--soft);
  line-height: 1.55;
}

.preview-switcher {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #081122;
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
  color: #fff;
}

.preview-switcher__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.preview-switcher__label {
  color: #bfdbfe;
  font-size: 13px;
  font-weight: 800;
}

.preview-switcher__options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.preview-switcher__options a {
  color: #dbeafe;
  text-decoration: none;
  border: 1px solid rgba(147, 197, 253, 0.34);
  background: rgba(30, 64, 175, 0.32);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 800;
}

.preview-switcher__options a:hover {
  background: rgba(37, 99, 235, 0.5);
}

.preview-switcher__options a.is-active {
  color: #fff;
  background: #e43f8f;
  border-color: #e43f8f;
}

.concept-shell a {
  color: inherit;
}

.concept-container {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.concept-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
}

.concept-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 900;
  text-decoration: none;
}

.concept-brand img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  object-fit: cover;
}

.concept-nav__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.concept-link {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.concept-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.concept-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 900;
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}

.concept-button.primary {
  color: #fff;
  background: var(--brand);
}

.concept-button.secondary {
  color: var(--ink);
  background: var(--paper);
  border-color: var(--line);
}

.concept-button.dark {
  color: #fff;
  background: #101827;
}

.concept-button.pink {
  color: #fff;
  background: var(--accent);
}

.concept-button.green {
  color: #fff;
  background: var(--green);
}

.concept-hero {
  padding: 58px 0 72px;
}

.concept-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 34px;
  align-items: center;
}

.concept-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.concept-hero h1 {
  margin: 18px 0 16px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1;
  letter-spacing: 0;
}

.concept-lede {
  max-width: 680px;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 19px;
}

.concept-proof {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.concept-proof div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.78);
}

.concept-proof strong {
  display: block;
  font-size: 22px;
}

.concept-proof span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.visual-frame {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 28px 70px rgba(17, 24, 39, 0.14);
  overflow: hidden;
}

.visual-frame__bar {
  height: 38px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
}

.visual-frame__bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #94a3b8;
}

.visual-frame__content {
  padding: 18px;
}

.visual-frame img {
  display: block;
  width: 100%;
  border-radius: 8px;
}

.screen-slot {
  min-height: 230px;
  border: 1px dashed rgba(31, 41, 55, 0.25);
  border-radius: 8px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #f8fafc;
}

.screen-slot h3 {
  margin: 0;
  font-size: 18px;
}

.screen-slot p {
  margin: 6px 0 0;
  color: var(--muted);
}

.mini-ui {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.mini-ui span {
  display: block;
  height: 12px;
  border-radius: 999px;
  background: #cbd5e1;
}

.mini-ui span:nth-child(2) {
  width: 76%;
  background: #93c5fd;
}

.mini-ui span:nth-child(3) {
  width: 56%;
  background: #f9a8d4;
}

.concept-section {
  padding: 66px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  margin: 8px 0 10px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

.section-head p {
  color: var(--muted);
  margin: 0;
  font-size: 17px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.concept-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 22px;
}

.concept-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.concept-card h3 {
  margin: 0 0 8px;
  font-size: 21px;
}

.concept-card p,
.concept-card li {
  color: var(--muted);
}

.concept-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.price-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 20px;
}

.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(228, 63, 143, 0.16);
}

.price-card h3 {
  margin: 0;
  font-size: 20px;
}

.price {
  margin: 14px 0 4px;
  font-size: 34px;
  font-weight: 950;
}

.price span {
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
}

.price-card p,
.price-card li {
  color: var(--muted);
  font-size: 14px;
}

.price-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.comparison-table th,
.comparison-table td {
  border-bottom: 1px solid var(--line);
  padding: 14px;
  text-align: left;
  vertical-align: top;
}

.comparison-table th {
  background: #f8fafc;
}

.concept-footer {
  padding: 28px 0 44px;
  color: var(--muted);
}

.concept-product {
  --brand: #2447ff;
  --accent: #0f9f8f;
  --soft: #f3f7fc;
}

.concept-product .concept-hero {
  background: linear-gradient(180deg, #f6f9ff 0%, #ffffff 100%);
}

.concept-product .concept-section.alt {
  background: #eaf1f9;
}

.concept-promo {
  --ink: #fff7ed;
  --muted: #f9d6bf;
  --line: rgba(255, 255, 255, 0.18);
  --paper: rgba(18, 25, 38, 0.92);
  --soft: #120f1f;
  --brand: #ff5a36;
  --accent: #f44791;
  color-scheme: dark;
  background: #120f1f;
}

.concept-promo .concept-shell {
  background: #120f1f;
}

.concept-promo .concept-nav,
.concept-promo .concept-link {
  color: #fff7ed;
}

.concept-promo .concept-hero {
  background: #241124;
}

.concept-promo .concept-eyebrow,
.concept-promo .concept-proof div,
.concept-promo .visual-frame,
.concept-promo .concept-card,
.concept-promo .price-card,
.concept-promo .comparison-table {
  background: rgba(18, 25, 38, 0.92);
}

.concept-promo .screen-slot {
  background: rgba(255, 247, 237, 0.08);
}

.concept-promo .concept-section.alt {
  background: #1b1729;
}

.concept-agency {
  --brand: #111827;
  --accent: #128c6f;
  --soft: #f5f3ee;
}

.concept-agency .concept-hero {
  background: #efe9dd;
}

.concept-agency .concept-section.alt {
  background: #e8efe9;
}

@media (max-width: 980px) {
  .concept-hero-grid,
  .card-grid,
  .card-grid.two,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .concept-proof {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .preview-switcher__inner,
  .concept-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .preview-switcher__options,
  .concept-nav__links {
    justify-content: flex-start;
  }

  .concept-container {
    width: min(100% - 24px, 1180px);
  }

  .concept-hero {
    padding: 36px 0 52px;
  }

  .concept-hero h1 {
    font-size: 39px;
  }

  .concept-lede {
    font-size: 17px;
  }

  .concept-proof {
    grid-template-columns: 1fr;
  }

  .comparison-table {
    display: block;
    overflow-x: auto;
  }
}