/* LidhOS — editorial / architectural, not template AI landing */

:root {
  --bg: #07090d;
  --bg-elevated: #0c1018;
  --surface: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8eaef;
  --text-muted: rgba(232, 234, 239, 0.58);
  --accent: #c45c4a;
  --accent-soft: rgba(196, 92, 74, 0.15);
  --accent-glow: rgba(196, 92, 74, 0.25);
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
  --pad: clamp(1.25rem, 4vw, 3rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.page-top-anchor {
  position: static;
  height: 0;
  width: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  pointer-events: none;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.mesh {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(196, 92, 74, 0.12), transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(80, 120, 180, 0.08), transparent 45%),
    radial-gradient(ellipse 50% 35% at 0% 80%, rgba(196, 92, 74, 0.06), transparent 40%),
    var(--bg);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--pad);
  background: linear-gradient(to bottom, var(--bg) 60%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transform: translateY(0);
  transition: transform 0.45s var(--ease), opacity 0.35s var(--ease);
}

.site-header.is-hidden {
  transform: translateY(-100%);
  opacity: 0.92;
  pointer-events: none;
}

.mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.mark__logo {
  display: block;
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  object-fit: contain;
}

.mark__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.mark__en {
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.mark__zh {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
}

.nav a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.35s var(--ease);
}

.nav a:hover {
  color: var(--text);
}

.nav a.is-active {
  color: var(--text);
}

.nav__cta {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text) !important;
  background: var(--surface);
}

.nav__cta:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.nav__cta.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

@media (max-width: 560px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    row-gap: 0.5rem;
  }
}

main {
  padding-top: 5.5rem;
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3rem, 12vw, 8rem) var(--pad) clamp(4rem, 10vw, 6rem);
}

.hero__eyebrow {
  margin: 0 0 1.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.5rem, 8vw, 4.75rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero__title-line {
  display: block;
  background: linear-gradient(135deg, var(--text) 0%, rgba(232, 234, 239, 0.85) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__title-sub {
  display: block;
  margin-top: 0.35em;
  font-size: 0.42em;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--accent);
  -webkit-text-fill-color: var(--accent);
}

.hero__lead {
  max-width: 32em;
  margin: 2rem 0 0;
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.hero__lead strong {
  color: var(--text);
  font-weight: 600;
}

.hero--partners .hero__lead {
  max-width: 46em;
}

.hero__br {
  display: none;
}

@media (min-width: 640px) {
  .hero__br {
    display: inline;
  }
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.25rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.65rem 1.5rem;
  border-radius: 2px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn--primary:hover {
  background: #d46a56;
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn--ghost:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.pill {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-muted);
}

/* Hardware band */

.pill--highlight {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.hardware-band {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.hardware-band__inner {
  padding: 1.5rem 2rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-elevated);
  text-align: center;
}

@media (max-width: 560px) {
  .hardware-band__inner {
    padding: 1.25rem 1.25rem;
  }
  .hardware-band__title {
    font-size: 0.8125rem;
    line-height: 1.5;
  }
  .hardware-band__specs {
    flex-direction: column;
    gap: 0.25rem;
  }
  .hardware-band__dot {
    display: none;
  }
}

.hardware-band__title {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

.hardware-band__specs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.35rem 0.75rem;
}

.hardware-band__spec {
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.hardware-band__dot {
  color: var(--accent);
  opacity: 0.5;
  font-size: 0.75rem;
}

.divider {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.divider span {
  display: block;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--border) 15%,
    var(--accent) 50%,
    var(--border) 85%,
    transparent
  );
  opacity: 0.6;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6rem) var(--pad);
}

.section__grid {
  display: grid;
  grid-template-columns: minmax(0, 140px) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}

@media (max-width: 720px) {
  .section__grid {
    grid-template-columns: 1fr;
  }
}

.section__label {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  align-self: start;
  padding-top: 0.35rem;
}

.section__body {
  max-width: 42rem;
}

.pullquote {
  margin: 0 0 1.75rem;
  padding: 0 0 0 1.25rem;
  border-left: 2px solid var(--accent);
  font-family: var(--serif);
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.55;
  color: var(--text);
}

.prose {
  margin: 0;
  color: var(--text-muted);
  font-size: 1rem;
}

.prose strong {
  color: var(--text);
  font-weight: 600;
}

.prose--tight {
  margin-top: 1.25rem;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
}

.feature-list li:first-child {
  padding-top: 0;
}

.feature-list__n {
  font-family: var(--serif);
  font-size: 0.875rem;
  color: var(--accent);
  opacity: 0.9;
}

.feature-list h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.feature-list p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.section--scenarios .section__body {
  max-width: none;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}

@media (max-width: 900px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

.card {
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--bg-elevated);
  transition: background 0.4s var(--ease);
}

.card:hover {
  background: rgba(12, 16, 24, 0.92);
}

.card h3 {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.card p strong {
  color: var(--text);
  font-weight: 600;
}

/* Ecosystem section */

.section--ecosystem .section__body,
.section--partners .section__body,
.section--partners-tiers .section__body,
.section--responsibility .section__body,
.section--crm .section__body,
.section--process .section__body {
  max-width: none;
}

.section--ecosystem .ecosystem-grid,
.section--partners-tiers .tier-grid,
.section--responsibility .split-grid,
.section--process .process-grid {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.section--ecosystem .ecosystem-grid {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 900px) {
  .section--ecosystem .ecosystem-grid {
    grid-template-columns: 1fr;
  }
}

.ecosystem-card {
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--bg-elevated);
}

.ecosystem-card__tag,
.tier-card__level {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.ecosystem-card h3,
.tier-card h3,
.split-card h3,
.process-step h3 {
  margin: 0 0 0.75rem;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.ecosystem-card__lead,
.ecosystem-card__note,
.tier-card p,
.process-step p,
.policy-note {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.ecosystem-card__lead strong,
.ecosystem-card__note strong,
.tier-card p strong,
.policy-note strong {
  color: var(--text);
  font-weight: 600;
}

.ecosystem-card__list,
.split-card ul {
  margin: 1rem 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.ecosystem-card__list li + li,
.split-card li + li {
  margin-top: 0.35rem;
}

.ecosystem-card__list strong,
.split-card strong {
  color: var(--text);
  font-weight: 600;
}

.policy-note {
  margin-top: 1.25rem;
}

/* Partners page */

.section--partners .partner-cards {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1100px) {
  .section--partners .partner-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .section--partners .partner-cards {
    grid-template-columns: 1fr;
  }
}

.section--partners-tiers .tier-grid {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 980px) {
  .section--partners-tiers .tier-grid {
    grid-template-columns: 1fr;
  }
}

.tier-card,
.split-card,
.process-step {
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--bg-elevated);
}

.tier-card--featured {
  background:
    linear-gradient(165deg, var(--accent-soft) 0%, transparent 45%),
    var(--bg-elevated);
}

.tier-card dl {
  margin: 1rem 0;
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.tier-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0.75rem;
  background: var(--bg);
}

.tier-card dt,
.tier-card dd {
  margin: 0;
  font-size: 0.8125rem;
}

.tier-card dt {
  color: var(--text-muted);
}

.tier-card dd {
  color: var(--text);
  font-weight: 600;
  text-align: right;
}

.section--responsibility .split-grid {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 820px) {
  .section--responsibility .split-grid {
    grid-template-columns: 1fr;
  }
}

.split-card ul {
  margin-bottom: 0;
}

.feature-list--compact li {
  padding: 1.25rem 0;
}

.section--process .process-grid {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 980px) {
  .section--process .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .section--process .process-grid {
    grid-template-columns: 1fr;
  }
}

.process-step span {
  display: inline-block;
  margin-bottom: 1rem;
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--accent);
}

.section--contact {
  padding-bottom: clamp(4rem, 10vw, 7rem);
}

.contact-panel {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 3.5rem) var(--pad);
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: linear-gradient(165deg, var(--surface) 0%, transparent 55%);
  box-shadow: 0 0 80px var(--accent-glow);
}

.contact-panel__title {
  margin: 0 0 0.75rem;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
}

.contact-panel__text {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.contact-panel__link {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.35s var(--ease), color 0.35s var(--ease);
}

.contact-panel__link:hover {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.contact-panel__partner-cta {
  margin: 1.5rem 0 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

@media (max-width: 560px) {
  .contact-panel__partner-cta {
    line-height: 1.8;
  }

  .contact-panel__partner-cta .contact-panel__link {
    display: block;
    width: fit-content;
    margin: 0.35rem auto 0;
  }
}

.contact-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 2rem;
  text-align: left;
}

.section--contact .contact-options {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 720px) {
  .contact-options,
  .section--contact .contact-options {
    grid-template-columns: 1fr;
  }
}

.contact-option {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--bg);
}

.contact-option__label {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.contact-option__desc {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem var(--pad) 2.5rem;
}

.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.site-footer__name {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 500;
}

.site-footer__company {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.site-footer__legal {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
}

.site-footer__legal a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.site-footer__legal a:hover {
  color: var(--text);
  border-bottom-color: var(--text-muted);
}

.site-footer__dot {
  opacity: 0.5;
}

/* ROI section */

.section__body--wide {
  max-width: none;
}

.section__intro {
  margin: 0 0 2rem;
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.section__intro strong {
  color: var(--text);
  font-weight: 600;
}

.roi-grid {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.roi-card {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--bg-elevated);
}

.roi-card__versus {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.roi-card__old {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  min-width: 140px;
}

.roi-card__old-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.roi-card__old-price {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: line-through;
  opacity: 0.6;
}

.roi-card__old-price small {
  font-size: 0.75em;
  font-weight: 400;
}

.roi-card__arrow {
  font-size: 1.25rem;
  color: var(--accent);
  flex-shrink: 0;
}

.roi-card__new {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  min-width: 140px;
}

.roi-card__new-label {
  font-size: 0.8125rem;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.roi-card__new-price {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
}

.roi-card__new-price small {
  font-size: 0.65em;
  font-weight: 400;
  color: var(--text-muted);
}

.roi-card__note {
  margin: 0.75rem 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.roi-bottom {
  margin: 2rem 0 0;
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.roi-bottom strong {
  color: var(--text);
}

/* Philosophy callout */

.prose--callout {
  margin-top: 1.75rem;
  padding: 1.25rem 1.5rem;
  background: var(--accent-soft);
  border-radius: 3px;
  border-left: 2px solid var(--accent);
}

.prose--callout .prose {
  margin: 0;
}

/* Scenario card tags */

.card__tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* FAQ section */

.faq-list {
  margin: 0;
  padding: 0;
}

.faq-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  padding-top: 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item dt {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.faq-item dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.faq-item dd strong {
  color: var(--text);
  font-weight: 600;
}

.faq-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  font-weight: 600;
  transition: border-color 0.35s var(--ease), color 0.35s var(--ease);
}

.faq-link:hover {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* Contact panel footer */

.contact-panel__footer {
  margin: 2rem 0 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.contact-panel__text strong {
  color: var(--text);
  font-weight: 600;
}

/* Contact channels (WeChat QR) */

.contact-channels {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.contact-channel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  max-width: 34rem;
  text-align: center;
}

.contact-channel__qr {
  display: block;
  width: min(180px, 48vw);
  height: auto;
  aspect-ratio: 1 / 1;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #fff;
  object-fit: contain;
}

.contact-channel__label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  line-height: 1.7;
  max-width: 100%;
}

/* Contact options — also works for 3-column */

@media (max-width: 720px) {
  .roi-card__versus {
    gap: 0.75rem;
  }

  .roi-card__arrow {
    display: none;
  }
}

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