/**
 * MuseQR Design System — Modern Museum Catalogue
 * Tokens, typography, and shared UI components
 */

/* ─── Design Tokens ─────────────────────────────────────────── */
:root {
  /* Colors — aligned with visitor homepage (landing page) */
  --color-bg: #F8F7F4;
  --color-bg-alt: #F3F0EA;
  --color-surface: #FFFFFF;
  --color-ink: #0F172A;
  --color-ink-muted: #64748B;
  --color-ink-subtle: #94A3B8;
  --color-border: rgba(15, 23, 42, 0.08);
  --color-border-strong: rgba(15, 23, 42, 0.14);
  --color-accent: #D4A017;
  --color-accent-hover: #B8890F;
  --color-accent-light: rgba(212, 160, 23, 0.12);
  --color-accent-muted: #C49215;
  --color-on-accent: #FFFFFF;
  --color-success: #2D6A4F;
  --color-error: #B33A3A;

  /* Typography */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.75rem;
  --text-5xl: 3.5rem;
  --leading-tight: 1.15;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;
  --tracking-tight: -0.02em;
  --tracking-wide: 0.06em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --section-py: clamp(3.5rem, 8vw, 6rem);
  --container-max: 1200px;
  --container-px: clamp(1.25rem, 4vw, 2rem);

  /* Radius & Shadows */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(26, 26, 26, 0.06);
  --shadow-md: 0 4px 20px rgba(26, 26, 26, 0.07);
  --shadow-lg: 0 12px 40px rgba(26, 26, 26, 0.1);
  --shadow-card: 0 2px 8px rgba(26, 26, 26, 0.04), 0 0 0 1px var(--color-border);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;

  /* Layout */
  --nav-height: 72px;
  --z-nav: 100;
  --z-drawer: 200;
  --z-overlay: 150;
}

/* ─── Base Reset & Typography ───────────────────────────────── */
html {
  scroll-behavior: smooth;
}

body.mq-body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.mq-body h1,
.mq-body h2,
.mq-body h3,
.mq-body h4,
.mq-body .mq-display {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
}

.mq-container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.mq-section {
  padding-block: var(--section-py);
}

.mq-section--alt {
  background-color: var(--color-bg-alt);
}

.mq-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.mq-section-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  margin-bottom: var(--space-4);
}

.mq-section-lead {
  font-size: var(--text-lg);
  color: var(--color-ink-muted);
  max-width: 52ch;
  line-height: var(--leading-relaxed);
}

.mq-section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.mq-section-header .mq-section-lead {
  margin-inline: auto;
}

/* ─── Buttons ───────────────────────────────────────────────── */
.mq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
  white-space: nowrap;
}

.mq-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.mq-btn--primary {
  background-color: var(--color-accent);
  color: var(--color-ink);
  border-color: var(--color-accent);
}

.mq-btn--primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-ink);
}

.mq-btn--accent {
  background-color: var(--color-accent);
  color: var(--color-ink);
  border-color: var(--color-accent);
}

.mq-btn--accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.mq-btn--ghost {
  background-color: transparent;
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}

.mq-btn--ghost:hover {
  border-color: var(--color-ink);
  background-color: rgba(26, 26, 26, 0.04);
}

.mq-btn--outline-light {
  background-color: transparent;
  color: var(--color-on-accent);
  border-color: rgba(255, 255, 255, 0.4);
}

.mq-btn--outline-light:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.7);
}

.mq-btn--lg {
  min-height: 52px;
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.mq-btn--block {
  width: 100%;
}

.mq-btn--sm {
  min-height: 40px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* ─── Cards ─────────────────────────────────────────────────── */
.mq-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-8);
  transition: box-shadow var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}

.mq-card:hover {
  box-shadow: var(--shadow-md);
}

.mq-card--feature {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.mq-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  color: var(--color-accent);
  margin-bottom: var(--space-5);
  font-size: 1.25rem;
}

.mq-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.mq-card__text {
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin: 0;
}

/* ─── Badge ─────────────────────────────────────────────────── */
.mq-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.mq-badge--popular {
  background: var(--color-ink);
  color: var(--color-on-accent);
}

/* ─── Navbar ────────────────────────────────────────────────── */
.mq-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.mq-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.mq-nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  flex-shrink: 0;
}

.mq-nav__brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
}

.mq-logo {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
}

.mq-logo--nav {
  height: 32px;
}

.mq-nav__brand .mq-logo--nav,
.navbar-brand .mq-logo--nav {
  height: 32px;
}

.mq-logo--footer {
  height: 30px;
  filter: brightness(0) invert(1);
}

.mq-logo--admin {
  height: 32px;
}

.mq-logo--auth {
  height: 34px;
  margin-bottom: 2.5rem;
  filter: brightness(0) invert(1);
}

.mq-logo--auth-mobile {
  height: 28px;
  margin-bottom: 1.5rem;
}

.mq-nav__links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-8);
}

@media (min-width: 992px) {
  .mq-nav__links {
    display: flex;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }
}

.mq-nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-muted);
  text-decoration: none;
  padding: var(--space-2) 0;
  transition: color var(--duration-fast);
  position: relative;
}

.mq-nav__link:hover,
.mq-nav__link.is-active {
  color: var(--color-ink);
}

.mq-nav__link.is-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

.mq-nav__actions {
  display: none;
  align-items: center;
  gap: var(--space-3);
}

@media (min-width: 992px) {
  .mq-nav__actions {
    display: flex;
  }
}

.mq-lang-switcher {
  position: relative;
}

.mq-lang-switcher__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid rgba(26, 26, 26, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.8);
  color: var(--color-ink);
  font-size: 0.875rem;
  line-height: 1.2;
  cursor: pointer;
}

.mq-lang-switcher__toggle:hover,
.mq-lang-switcher__toggle[aria-expanded="true"] {
  border-color: rgba(26, 26, 26, 0.2);
  background: #fff;
}

.mq-lang-switcher__menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  right: 0;
  min-width: 9rem;
  margin: 0;
  padding: 0.35rem;
  list-style: none;
  border: 1px solid rgba(26, 26, 26, 0.12);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-md, 0 8px 24px rgba(15, 23, 42, 0.12));
  z-index: var(--z-dropdown, 30);
}

.mq-lang-switcher__menu:not([hidden]) {
  display: block;
}

.mq-lang-switcher__option {
  display: block;
  padding: 0.5rem 0.65rem;
  border-radius: calc(var(--radius-md) - 2px);
  color: var(--color-ink);
  text-decoration: none;
  font-size: 0.875rem;
}

.mq-lang-switcher__option:hover,
.mq-lang-switcher__option.is-active {
  background: rgba(6, 78, 59, 0.08);
  color: var(--color-accent, #064e3b);
}

.mq-nav__drawer-actions .mq-lang-switcher {
  width: 100%;
  margin-bottom: var(--space-3);
}

.mq-nav__drawer-actions .mq-lang-switcher__toggle {
  width: 100%;
  justify-content: space-between;
}

.mq-nav__drawer-actions .mq-lang-switcher__menu {
  position: static;
  width: 100%;
  box-shadow: none;
  margin-top: 0.35rem;
}

.mq-nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-ink);
  border-radius: var(--radius-md);
}

.mq-nav__toggle:hover {
  background: rgba(26, 26, 26, 0.05);
}

@media (min-width: 992px) {
  .mq-nav__toggle {
    display: none;
  }
}

/* Mobile drawer */
.mq-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 26, 0.4);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base), visibility var(--duration-base);
}

.mq-nav__overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.mq-nav__drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 85vw);
  height: 100vh;
  background: var(--color-bg);
  z-index: var(--z-drawer);
  padding: var(--space-6);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  overflow-y: auto;
}

.mq-nav__drawer.is-open {
  transform: translateX(0);
}

.mq-nav__drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mq-nav__drawer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mq-nav__drawer-link {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-ink);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--duration-fast);
}

.mq-nav__drawer-link:hover,
.mq-nav__drawer-link.is-active {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.mq-nav__drawer-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* ─── Footer ────────────────────────────────────────────────── */
.mq-footer {
  position: relative;
  overflow: hidden;
  margin-top: auto;
  background: linear-gradient(135deg, #0F172A 0%, #1e293b 50%, #334155 100%);
  color: rgba(255, 255, 255, 0.78);
  padding-block: var(--space-16) var(--space-8);
}

.mq-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.45;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footer-grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="0.5" fill="rgba(255,255,255,0.03)"/><circle cx="75" cy="75" r="0.5" fill="rgba(255,255,255,0.03)"/><circle cx="50" cy="10" r="0.3" fill="rgba(255,255,255,0.03)"/><circle cx="10" cy="60" r="0.3" fill="rgba(255,255,255,0.03)"/><circle cx="90" cy="40" r="0.3" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23footer-grain)"/></svg>');
}

.mq-footer > .mq-container {
  position: relative;
  z-index: 1;
}

.mq-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .mq-footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
    gap: var(--space-8);
  }
}

.mq-footer__brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.mq-footer__brand:hover {
  opacity: 0.92;
}

.mq-footer__tagline {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  max-width: 42ch;
  margin: 0;
}

.mq-footer__contact {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.mq-footer__contact-org {
  margin: 0 0 var(--space-3);
  color: #fff;
}

.mq-footer__contact-address,
.mq-footer__contact-line {
  margin: 0 0 var(--space-2);
}

.mq-footer__contact a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.mq-footer__contact a:hover {
  color: var(--color-accent);
}

.mq-footer__bottom-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
}

.mq-footer__bottom-links span {
  color: rgba(255, 255, 255, 0.35);
}

.mq-footer__heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--space-4);
  position: relative;
  padding-bottom: var(--space-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mq-body .mq-footer h2.mq-footer__heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mq-footer__heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.mq-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mq-footer__links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--duration-fast);
}

.mq-footer__links a:hover {
  color: var(--color-accent);
}

.mq-footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.mq-footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: border-color var(--duration-fast), color var(--duration-fast);
}

.mq-footer__social a:hover {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.mq-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--text-sm);
}

@media (min-width: 768px) {
  .mq-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.mq-footer__bottom a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
}

.mq-footer__bottom a:hover {
  color: var(--color-accent);
}

/* ─── Accordion ─────────────────────────────────────────────── */
.mq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mq-accordion__item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.mq-accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 56px;
  padding: var(--space-4) var(--space-6);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-ink);
  text-align: left;
  gap: var(--space-4);
  transition: color var(--duration-fast);
}

.mq-accordion__trigger:hover {
  color: var(--color-accent);
}

.mq-accordion__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-base) var(--ease-out);
  color: var(--color-accent);
}

.mq-accordion__item.is-open .mq-accordion__icon {
  transform: rotate(45deg);
}

.mq-accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.mq-accordion__content {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* ─── Hero ──────────────────────────────────────────────────── */
.mq-hero {
  padding-block: clamp(3rem, 10vw, 7rem);
  overflow: hidden;
}

.mq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 992px) {
  .mq-hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.mq-hero__title {
  font-size: clamp(2.25rem, 6vw, var(--text-5xl));
  margin-bottom: var(--space-5);
}

.mq-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-ink-muted);
  line-height: var(--leading-relaxed);
  max-width: 44ch;
  margin-bottom: var(--space-8);
}

.mq-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.mq-qr-art {
  width: min(340px, 90%);
  aspect-ratio: 1;
  position: relative;
}

.mq-qr-art__frame {
  width: 100%;
  height: 100%;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.mq-qr-art__frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, var(--color-accent-light) 0%, transparent 60%);
  pointer-events: none;
}

.mq-qr-art__svg {
  width: 75%;
  height: 75%;
  animation: mq-qr-pulse 4s ease-in-out infinite;
}

@keyframes mq-qr-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(0.98); }
}

.mq-qr-art__scan-line {
  position: absolute;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  animation: mq-scan 3s ease-in-out infinite;
  opacity: 0.7;
}

@keyframes mq-scan {
  0%, 100% { top: 20%; }
  50% { top: 75%; }
}

/* ─── Social Proof ──────────────────────────────────────────── */
.mq-logos {
  padding-block: var(--space-10);
  border-block: 1px solid var(--color-border);
}

.mq-logos__label {
  text-align: center;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-subtle);
  margin-bottom: var(--space-6);
}

.mq-logos__grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-8) var(--space-12);
}

.mq-logos__item {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-ink-subtle);
  opacity: 0.7;
  transition: opacity var(--duration-fast);
  white-space: nowrap;
}

.mq-logos__item:hover {
  opacity: 1;
}

/* ─── Steps ─────────────────────────────────────────────────── */
.mq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .mq-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mq-step {
  text-align: center;
  padding: var(--space-6);
}

.mq-step__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-5);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  color: var(--color-accent);
  font-size: 1.5rem;
}

.mq-step__number {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.mq-step__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.mq-step__text {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: var(--leading-relaxed);
  margin: 0;
}

/* ─── Features Grid ─────────────────────────────────────────── */
.mq-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .mq-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .mq-features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ─── Testimonial ───────────────────────────────────────────── */
.mq-testimonial {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
}

.mq-testimonial__quote {
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
  line-height: var(--leading-relaxed);
  color: var(--color-ink);
  margin-bottom: var(--space-8);
  position: relative;
}

.mq-testimonial__quote::before {
  content: '\201C';
  display: block;
  font-size: 4rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.3;
  margin-bottom: var(--space-2);
}

.mq-testimonial__author {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink);
}

.mq-testimonial__role {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin-top: var(--space-1);
}

/* ─── Pricing ───────────────────────────────────────────────── */
.mq-pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.mq-pricing-toggle__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-muted);
  transition: color var(--duration-fast);
}

.mq-pricing-toggle__label.is-active {
  color: var(--color-ink);
  font-weight: 600;
}

.mq-pricing-toggle__switch {
  position: relative;
  width: 52px;
  height: 28px;
  background: var(--color-border-strong);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--duration-fast);
}

.mq-pricing-toggle__switch.is-annual {
  background: var(--color-accent);
}

.mq-pricing-toggle__knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: #fff;
  border-radius: var(--radius-full);
  transition: transform var(--duration-base) var(--ease-out);
  box-shadow: var(--shadow-sm);
}

.mq-pricing-toggle__switch.is-annual .mq-pricing-toggle__knob {
  transform: translateX(24px);
}

.mq-pricing-toggle__save {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
}

.mq-pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

@media (min-width: 768px) {
  .mq-pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mq-pricing-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-8);
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.mq-pricing-card--featured {
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.mq-pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
}

.mq-pricing-card__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.mq-pricing-card__desc {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-6);
}

.mq-pricing-card__price {
  margin-bottom: var(--space-6);
}

.mq-pricing-card__amount {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 500;
}

.mq-pricing-card__period {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.mq-pricing-card__features {
  list-style: none;
  margin: 0 0 var(--space-8);
  padding: 0;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mq-pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.mq-pricing-card__features li i {
  color: var(--color-accent);
  margin-top: 2px;
  flex-shrink: 0;
}

.mq-pricing-card [data-price-monthly],
.mq-pricing-card [data-price-annual] {
  display: none;
}

.mq-pricing-card [data-price-monthly].is-visible,
.mq-pricing-card [data-price-annual].is-visible {
  display: block;
}

/* ─── CTA Banner ────────────────────────────────────────────── */
.mq-cta-banner {
  background: var(--color-accent);
  color: var(--color-on-accent);
  padding-block: var(--space-16);
  text-align: center;
}

.mq-cta-banner__title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  color: var(--color-on-accent);
  margin-bottom: var(--space-6);
  max-width: 20ch;
  margin-inline: auto;
}

.mq-cta-banner .mq-btn--primary {
  background: var(--color-on-accent);
  color: var(--color-accent);
  border-color: var(--color-on-accent);
}

.mq-cta-banner .mq-btn--primary:hover {
  background: var(--color-bg);
  border-color: var(--color-bg);
  color: var(--color-ink);
}

/* ─── Auth Layout ───────────────────────────────────────────── */
.mq-auth {
  min-height: calc(100vh - var(--nav-height));
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 992px) {
  .mq-auth {
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
  }

  .mq-auth--no-nav {
    min-height: 100vh;
  }
}

.mq-auth__brand {
  display: none;
  background: var(--color-ink);
  color: var(--color-on-accent);
  padding: var(--space-12);
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

@media (min-width: 992px) {
  .mq-auth__brand {
    display: flex;
  }
}

.mq-auth__brand::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 80%, var(--color-accent) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(27, 107, 107, 0.4) 0%, transparent 40%);
  opacity: 0.6;
}

.mq-auth__brand-content {
  position: relative;
  z-index: 1;
  max-width: 400px;
}

.mq-auth__brand .vh-auth__logo {
  display: inline-flex;
  margin-bottom: 2.5rem;
}

.mq-auth__brand .vh-auth__logo .mq-logo--auth {
  margin-bottom: 0;
}

.mq-auth__brand-quote {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.mq-auth__brand-cite {
  font-size: var(--text-sm);
  opacity: 0.7;
}

.mq-auth__form-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--container-px);
  background: var(--color-bg);
}

.mq-auth__form {
  width: 100%;
  max-width: 400px;
}

.mq-auth__form-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2);
}

.mq-auth__form-lead {
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-8);
}

.mq-auth__flash {
  margin-bottom: var(--space-6);
}

.mq-auth__flash .mq-alert {
  margin-bottom: var(--space-3);
}

.mq-auth__flash .mq-alert:last-child {
  margin-bottom: 0;
}

.mq-form-group {
  margin-bottom: var(--space-5);
}

.mq-form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-ink);
}

.mq-form-hint {
  margin-top: var(--space-2);
  margin-bottom: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-subtle);
  line-height: 1.4;
}

.mq-form-input {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.mq-form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.mq-form-input::placeholder {
  color: var(--color-ink-subtle);
}

.mq-form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.mq-form-check input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.mq-form-check label {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: var(--leading-normal);
}

.mq-form-check label a {
  color: var(--color-accent);
}

.mq-auth__footer-link {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.mq-auth__footer-link a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}

.mq-auth__footer-link a:hover {
  text-decoration: underline;
}

.mq-password-toggle {
  position: relative;
}

.mq-password-toggle .mq-form-input {
  padding-right: 48px;
}

.mq-password-toggle__btn {
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-ink-subtle);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.mq-password-toggle__btn:hover {
  color: var(--color-ink);
}

/* ─── How It Works Page ─────────────────────────────────────── */
.mq-flow-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
  padding-block: var(--space-10);
}

@media (min-width: 768px) {
  .mq-flow-step {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }

  .mq-flow-step:nth-child(even) .mq-flow-step__visual {
    order: -1;
  }
}

.mq-flow-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.mq-flow-step__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.mq-flow-step__text {
  color: var(--color-ink-muted);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.mq-flow-step__mockup {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-8);
  aspect-ratio: 4/3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  border: 1px solid var(--color-border);
}

.mq-flow-step__mockup-icon {
  font-size: 3rem;
  color: var(--color-accent);
  opacity: 0.8;
}

.mq-flow-step__mockup-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* ─── Page Header (inner pages) ─────────────────────────────── */
.mq-page-hero {
  padding-block: var(--space-16) var(--space-12);
  text-align: center;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.mq-page-hero__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-4xl));
  margin-bottom: var(--space-4);
}

.mq-page-hero__lead {
  font-size: var(--text-lg);
  color: var(--color-ink-muted);
  max-width: 52ch;
  margin-inline: auto;
}

/* ─── Flash messages ────────────────────────────────────────── */
.mq-alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.mq-alert--success {
  background: rgba(45, 106, 79, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(45, 106, 79, 0.2);
}

.mq-alert--error {
  background: rgba(179, 58, 58, 0.08);
  color: var(--color-error);
  border: 1px solid rgba(179, 58, 58, 0.2);
}

.mq-alert--info {
  background: var(--color-accent-light);
  color: var(--color-accent);
  border: 1px solid rgba(27, 107, 107, 0.2);
}

.mq-alert__close {
  background: none;
  border: none;
  color: inherit;
  opacity: 0.6;
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
  padding: var(--space-1);
  flex-shrink: 0;
}

.mq-alert__close:hover {
  opacity: 1;
}

/* ─── Utilities ─────────────────────────────────────────────── */
.mq-skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--color-ink);
  color: var(--color-on-accent);
  font-weight: 600;
  text-decoration: none;
  border-radius: 0 0 8px 8px;
}

.mq-skip-link:focus {
  top: 0;
  outline: 3px solid var(--color-accent);
}

.mq-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mq-text-center { text-align: center; }
.mq-mt-auto { margin-top: auto; }

/* Override Bootstrap conflicts on marketing pages */
.mq-body .site-main {
  padding: 0;
}

.mq-body--auth .mq-nav {
  display: none;
}

.mq-body--auth .site-main {
  padding: 0;
  min-height: 100vh;
}