/* ═══════════════════════════════════════════════════════════════
   QuickSit Landing — Consolidated Styles
   Merged from: tokens + base + layout + components + animations
   ═══════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════
   1. DESIGN TOKENS
   ═══════════════════════════════════════ */

:root {
  /* Colores principales */
  --g-color-bg: #0b0d12;
  --g-color-text: #ededed;
  --g-color-text-muted: rgba(237, 237, 237, 0.7);
  --g-color-text-dim: rgba(237, 237, 237, 0.5);

  /* Colores de acento */
  --g-color-accent-emerald: #10b981;
  --g-color-accent-emerald-light: #34d399;
  --g-color-accent-cyan: #22d3ee;
  --g-color-accent-violet: #a78bfa;

  /* Degradado de marca — QuickSit gold */
  --g-gradient-start: #1ca3ff;
  --g-gradient-end: #7b3fe4;
  --g-gradient: linear-gradient(135deg, #1ca3ff, #7b3fe4);
  --g-gradient-hover: linear-gradient(135deg, #3ab0ff, #8b4ff0);

  /* QuickSit gold palette */
  --qs-gold: #d9b364;
  --qs-gold-dark: #b8944a;
  --qs-gold-light: #e8c97a;
  --qs-gold-gradient: linear-gradient(135deg, #d9b364, #c4943d);

  /* Escala de grises */
  --g-gray-100: #141720;
  --g-gray-200: #1c2030;
  --g-gray-300: #262b3a;
  --g-gray-400: #404040;
  --g-gray-500: #666666;
  --g-gray-600: #999999;
  --g-gray-700: #cccccc;
  --g-gray-800: #e5e5e5;
  --g-gray-900: #f5f5f5;

  /* Tipografias */
  --g-font-head: 'Libre Baskerville', 'Times New Roman', Times, serif;
  --g-font-ui:
    'Manrope', 'Plus Jakarta Sans', Inter, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, system-ui,
    sans-serif;

  /* Tamanos tipograficos */
  --g-text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --g-text-sm: clamp(0.875rem, 0.825rem + 0.25vw, 1rem);
  --g-text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --g-text-lg: clamp(1.125rem, 1.05rem + 0.375vw, 1.25rem);
  --g-text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --g-text-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --g-text-3xl: clamp(1.875rem, 1.65rem + 1.125vw, 2.25rem);
  --g-text-4xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
  --g-text-5xl: clamp(3rem, 2.5rem + 2vw, 4rem);

  /* Espaciados */
  --g-space-1: 0.25rem;
  --g-space-2: 0.5rem;
  --g-space-3: 0.75rem;
  --g-space-4: 1rem;
  --g-space-5: 1.25rem;
  --g-space-6: 1.5rem;
  --g-space-8: 2rem;
  --g-space-10: 2.5rem;
  --g-space-12: 3rem;
  --g-space-16: 4rem;

  /* Ritmo de secciones */
  --g-section-sm: clamp(3rem, 4vw, 4rem);
  --g-section-md: clamp(4.5rem, 6vw, 6rem);
  --g-section-lg: clamp(6rem, 8vw, 8rem);
  --g-section-xl: clamp(8rem, 10vw, 10rem);

  /* Anchos de contenido */
  --g-content-narrow: 65ch;
  --g-content-default: 1140px;
  --g-content-wide: 1320px;
  --g-content-full: 100%;

  /* Radios de borde */
  --g-radius-sm: 8px;
  --g-radius-md: 12px;
  --g-radius-lg: 16px;
  --g-radius-xl: 24px;
  --g-radius-full: 9999px;

  /* Sombras */
  --g-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --g-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --g-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
  --g-shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
  --g-shadow-glow: 0 0 40px rgba(28, 163, 255, 0.3);

  /* Glass effect */
  --g-glass: rgba(255, 255, 255, 0.03);
  --g-glass-border: rgba(255, 255, 255, 0.08);
  --g-glass-blur: blur(10px);

  /* Z-index */
  --g-z-dropdown: 100;
  --g-z-sticky: 200;
  --g-z-modal: 300;
  --g-z-toast: 400;

  /* Transiciones */
  --g-transition-fast: 150ms ease;
  --g-transition-base: 250ms ease;
  --g-transition-slow: 350ms ease;
  --g-transition-smooth: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Easing premium */
  --g-ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --g-ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --g-ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Sombras doble capa */
  --g-shadow-depth-1: 0 2px 5px rgba(50, 50, 93, 0.08), 0 1px 2px rgba(0, 0, 0, 0.12);
  --g-shadow-depth-2: 0 8px 16px -4px rgba(50, 50, 93, 0.1), 0 3px 6px -2px rgba(0, 0, 0, 0.1);
  --g-shadow-depth-3: 0 13px 27px -5px rgba(50, 50, 93, 0.15), 0 8px 16px -8px rgba(0, 0, 0, 0.12);
  --g-shadow-depth-4: 0 30px 60px -12px rgba(50, 50, 93, 0.2), 0 18px 36px -18px rgba(0, 0, 0, 0.2);

  /* Animation tokens */
  --anim-duration-fast: 150ms;
  --anim-duration-base: 250ms;
  --anim-duration-reveal: 380ms;
  --anim-duration-shine: 1200ms;
  --ease-reveal: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-gentle: cubic-bezier(0.25, 0.1, 0.25, 1);
  --gradient-brand: linear-gradient(135deg, #1ca3ff 0%, #7b3fe4 100%);
  --gradient-shine: linear-gradient(
    120deg,
    transparent 25%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 75%
  );
  --reveal-distance: 8px;
  --blur-initial: 6px;
  --focus-dim-opacity: 0.3;
  --stagger-delay: 60ms;
}

@media (min-width: 768px) {
  :root {
    --reveal-distance: 12px;
  }
}

@media (prefers-contrast: high) {
  :root {
    --g-color-text-muted: rgba(255, 255, 255, 0.85);
    --g-glass-border: rgba(255, 255, 255, 0.15);
  }
}

/* ═══════════════════════════════════════
   2. BASE STYLES
   ═══════════════════════════════════════ */

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

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  :root {
    --anim-duration-reveal: 0.1s;
    --anim-duration-shine: 0.1s;
    --reveal-distance: 0px;
    --blur-initial: 0px;
  }
  .scroll-reveal,
  .blur-text,
  .shine-text {
    transform: none !important;
    filter: none !important;
  }
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  font-family: var(--g-font-ui);
  font-size: var(--g-text-base);
  line-height: 1.6;
  color: var(--g-color-text);
  background-color: var(--g-color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--g-font-head);
  line-height: 1.2;
  font-weight: 400;
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--g-text-5xl);
}
h2 {
  font-size: var(--g-text-4xl);
}
h3 {
  font-size: var(--g-text-3xl);
}
h4 {
  font-size: var(--g-text-2xl);
}
h5 {
  font-size: var(--g-text-xl);
}
h6 {
  font-size: var(--g-text-lg);
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--g-transition-fast);
}

a:hover {
  opacity: 0.8;
}

:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--qs-gold);
  outline-offset: 2px;
  border-radius: var(--g-radius-sm);
}

button:focus-visible,
a:focus-visible {
  outline-offset: 4px;
}

ul,
ol {
  list-style: none;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Utilidades */
.u-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.u-text-gradient {
  background: var(--g-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (forced-colors: active) {
  .u-text-gradient {
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    -webkit-text-fill-color: inherit;
    color: inherit;
  }
}

.u-text-muted {
  color: var(--g-color-text-muted);
}

.u-text-center {
  text-align: center;
}

.u-mt-auto {
  margin-top: auto;
}

::selection {
  background: var(--qs-gold);
  color: var(--g-color-bg);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--g-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--g-gray-400);
  border-radius: var(--g-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--g-gray-500);
}

/* ═══════════════════════════════════════
   3. LAYOUT
   ═══════════════════════════════════════ */

.l-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--g-space-4);
}

@media (min-width: 640px) {
  .l-container {
    padding: 0 var(--g-space-6);
  }
}

@media (min-width: 1024px) {
  .l-container {
    padding: 0 var(--g-space-8);
  }
}

/* Navbar — QuickSit branded (gold accent) */
.l-navbar {
  position: sticky;
  top: 0;
  z-index: var(--g-z-sticky);
  background: var(--g-glass);
  backdrop-filter: var(--g-glass-blur);
  -webkit-backdrop-filter: var(--g-glass-blur);
  border-bottom: 1px solid rgba(217, 179, 100, 0.15);
  transition:
    box-shadow var(--g-transition-base),
    border-color var(--g-transition-base);
}

.l-navbar--scrolled {
  background: rgba(11, 13, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: rgba(217, 179, 100, 0.3);
  box-shadow: 0 1px 20px rgba(217, 179, 100, 0.08);
}

.l-navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.l-navbar__logo {
  display: inline-block;
  position: relative;
  line-height: 0;
}

.l-navbar__logo img,
.l-navbar__logo picture {
  pointer-events: none;
  user-select: none;
}

.l-navbar__logo-full {
  height: 56px;
  width: auto;
  transition: opacity var(--g-transition-base);
}

.l-navbar__logo-mark {
  height: 56px;
  width: auto;
  transition: opacity var(--g-transition-base);
}

.l-navbar__logo-full {
  display: block;
}

.l-navbar__logo-mark {
  display: none;
}

.l-navbar--scrolled .l-navbar__logo-full {
  display: none;
}

.l-navbar--scrolled .l-navbar__logo-mark {
  display: block;
}

@media (max-width: 1023px) {
  .l-navbar__logo-full {
    height: 48px;
  }
  .l-navbar__logo-mark {
    height: 48px;
  }
  .l-navbar__inner {
    height: 70px;
  }
}

@media (max-width: 767px) {
  .l-navbar__logo-full {
    display: block;
    height: 42px;
  }

  .l-navbar__logo-mark,
  .l-navbar--scrolled .l-navbar__logo-mark {
    display: none;
  }

  .l-navbar--scrolled .l-navbar__logo-full {
    display: block;
    height: 42px;
  }

  .l-navbar__inner {
    height: 64px;
  }
}

.l-navbar__menu {
  display: none;
  gap: var(--g-space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .l-navbar__menu {
    display: flex;
  }
}

.l-navbar__link {
  position: relative;
  padding: var(--g-space-2) 0;
  transition: color var(--g-transition-fast);
}

.l-navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--qs-gold-gradient);
  transition: width var(--g-transition-base);
}

.l-navbar__link:hover {
  opacity: 1;
  color: var(--qs-gold);
}

.l-navbar__link:hover::after,
.l-navbar__link--active::after {
  width: 100%;
}

.l-navbar__mobile-toggle {
  display: block;
  width: 32px;
  height: 32px;
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  z-index: var(--g-z-dropdown);
}

.l-navbar__mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--g-color-text);
  border-radius: 1px;
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
}

.l-navbar__mobile-toggle span:first-child {
  top: 8px;
}

.l-navbar__mobile-toggle span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.l-navbar__mobile-toggle span:last-child {
  bottom: 8px;
}

.l-navbar__mobile-toggle[aria-expanded='true'] span:first-child {
  transform: rotate(45deg) translateY(8px);
}

.l-navbar__mobile-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.l-navbar__mobile-toggle[aria-expanded='true'] span:last-child {
  transform: rotate(-45deg) translateY(-8px);
}

@media (min-width: 768px) {
  .l-navbar__mobile-toggle {
    display: none;
  }
}

/* Footer — QuickSit branded */
.l-footer {
  margin-top: var(--g-space-16);
  padding: var(--g-space-12) 0 var(--g-space-8);
  background: var(--g-gray-100);
  border-top: 1px solid var(--g-glass-border);
}

.l-footer__grid {
  display: grid;
  gap: var(--g-space-8);
  margin-bottom: var(--g-space-8);
}

@media (min-width: 768px) and (max-width: 1023px) {
  .l-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .l-footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.l-footer__brand img {
  height: 40px;
  width: auto;
  margin-bottom: var(--g-space-4);
}

.l-footer__brand p {
  color: var(--g-color-text-muted);
  font-size: var(--g-text-sm);
  line-height: 1.6;
  max-width: 300px;
}

.l-footer__attribution {
  margin-top: var(--g-space-3);
  font-size: var(--g-text-xs);
  color: var(--g-color-text-dim);
}

.l-footer__attribution a {
  color: var(--qs-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.l-footer__attribution a:hover {
  opacity: 1;
  color: var(--qs-gold-light);
}

.l-footer h4,
.l-footer__heading {
  font-family: var(--g-font-ui);
  font-size: var(--g-text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--g-space-4);
  color: var(--g-color-text);
}

.l-footer ul {
  display: flex;
  flex-direction: column;
  gap: var(--g-space-3);
}

.l-footer li a {
  font-size: var(--g-text-sm);
  color: var(--g-color-text-muted);
  transition: color var(--g-transition-fast);
}

.l-footer li a:hover {
  opacity: 1;
  color: var(--qs-gold);
}

.l-footer__bottom {
  padding-top: var(--g-space-6);
  border-top: 1px solid var(--g-glass-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--g-space-4);
  justify-content: space-between;
  align-items: center;
  font-size: var(--g-text-sm);
  color: var(--g-color-text-dim);
}

/* Sections */
.s-section {
  padding: var(--g-space-12) 0;
}

.s-section--lg {
  padding: var(--g-space-16) 0;
}

:target {
  scroll-margin-top: 96px;
}

/* Mobile menu */
.l-mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  z-index: var(--g-z-modal);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.l-mobile-menu__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.l-mobile-menu__panel {
  position: relative;
  z-index: 2;
  height: 100%;
  padding: var(--g-space-6);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--g-color-bg);
  opacity: 0;
  transform: translateY(-20px);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
  padding-top: calc(var(--g-space-6) + env(safe-area-inset-top));
  padding-bottom: calc(var(--g-space-6) + env(safe-area-inset-bottom));
  padding-left: calc(var(--g-space-6) + env(safe-area-inset-left));
  padding-right: calc(var(--g-space-6) + env(safe-area-inset-right));
}

.l-mobile-menu--open {
  opacity: 1;
  visibility: visible;
}

.l-mobile-menu--open .l-mobile-menu__panel {
  opacity: 1;
  transform: translateY(0);
}

@supports (-webkit-touch-callout: none) {
  .l-mobile-menu {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
  }
  .l-mobile-menu__background {
    background-color: #000000;
    opacity: 0.8;
  }
}

.l-mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--g-space-2);
  max-width: 100%;
  padding-top: 80px;
}

.l-mobile-menu__link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--g-space-4) var(--g-space-2);
  font-size: var(--g-text-lg);
  font-weight: 500;
  border-radius: var(--g-radius-md);
  transition: all var(--g-transition-base);
  text-align: center;
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid transparent;
  min-height: 44px;
}

.l-mobile-menu__link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.l-mobile-menu__link.btn--gradient {
  background: var(--qs-gold-gradient);
  color: white;
  margin-top: var(--g-space-4);
  box-shadow: 0 4px 20px rgba(217, 179, 100, 0.3);
}

.l-mobile-menu__link.btn--gradient:hover {
  background: linear-gradient(135deg, #e8c97a, #d9b364);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(217, 179, 100, 0.4);
}

@media (min-width: 768px) {
  .l-mobile-menu {
    display: none !important;
  }
}

/* ═══════════════════════════════════════
   4. COMPONENTS
   ═══════════════════════════════════════ */

/* Buttons — QuickSit gold CTA */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--g-space-2);
  padding: var(--g-space-3) var(--g-space-6);
  font-weight: 600;
  font-size: var(--g-text-base);
  border-radius: var(--g-radius-full);
  transition: all var(--g-transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn--gradient {
  background: var(--qs-gold-gradient);
  color: white;
  box-shadow: var(--g-shadow-md);
}

.btn--gradient:hover {
  background: linear-gradient(135deg, #e8c97a, #d9b364);
  transform: translateY(-1px);
  box-shadow: var(--g-shadow-lg);
}

.btn--ghost {
  border: 1px solid var(--g-glass-border);
  background: var(--g-glass);
  backdrop-filter: var(--g-glass-blur);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn--lg {
  padding: var(--g-space-4) var(--g-space-8);
  font-size: var(--g-text-lg);
}

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

/* Accordion */
.c-accordion {
  border-top: 1px solid var(--g-glass-border);
}

.c-accordion__item {
  border-bottom: 1px solid var(--g-glass-border);
}

.c-accordion__trigger {
  width: 100%;
  padding: var(--g-space-5) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: var(--g-text-lg);
  transition: color var(--g-transition-fast);
}

.c-accordion__trigger:hover {
  color: var(--qs-gold);
}

.c-accordion__icon {
  width: 24px;
  height: 24px;
  transition: transform var(--g-transition-base);
}

.c-accordion__trigger[aria-expanded='true'] .c-accordion__icon {
  transform: rotate(180deg);
}

.c-accordion__content {
  padding: 0 0 var(--g-space-5) 0;
  color: var(--g-color-text-muted);
  line-height: 1.6;
  display: none;
}

.c-accordion__content--open {
  display: block;
  animation: slideDown var(--g-transition-base);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Skip link */
.c-skip-link {
  position: absolute;
  top: -100px;
  left: var(--g-space-4);
  z-index: var(--g-z-toast);
  padding: var(--g-space-2) var(--g-space-4);
  background: var(--qs-gold-gradient);
  color: white;
  border-radius: var(--g-radius-md);
}

.c-skip-link:focus {
  top: var(--g-space-4);
}

/* Scroll reveal */
.u-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 400ms ease-out,
    transform 400ms ease-out;
  will-change: transform, opacity;
}

.u-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.u-reveal.is-reveal-complete {
  will-change: auto;
}

/* Scroll progress bar */
.c-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--qs-gold-gradient);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 120ms linear;
  z-index: 500;
  pointer-events: none;
}

/* Back to top */
.c-back-to-top {
  position: fixed;
  right: clamp(1rem, 2.5vw, 1.5rem);
  bottom: calc(clamp(1rem, 2.5vw, 1.5rem) + env(safe-area-inset-bottom));
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(217, 179, 100, 0.3);
  background: var(--qs-gold-gradient);
  color: #ffffff;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition:
    opacity var(--g-transition-base),
    transform var(--g-transition-base),
    box-shadow var(--g-transition-base);
  z-index: var(--g-z-toast);
}

.c-back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.c-back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.42);
}

.c-back-to-top span {
  font-size: 1.15rem;
  line-height: 1;
}

@media (prefers-reduced-motion: reduce) {
  .u-reveal {
    opacity: 1;
    filter: none;
    transform: none;
    transition: none;
  }
  .c-back-to-top,
  .c-scroll-progress {
    transition: none;
  }
}

/* ═══════════════════════════════════════
   5. ANIMATIONS
   ═══════════════════════════════════════ */

.u-text-gradient--animated {
  background: var(--gradient-brand);
  background-size: 200% 100%;
  background-position: 200% 0;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%,
  100% {
    background-position: 200% 0;
  }
  50% {
    background-position: 0% 0;
  }
}

/* True focus effects (FAQ accordion) */
.c-accordion[data-true-focus] .c-accordion__item {
  transition:
    opacity var(--anim-duration-base) var(--ease-gentle),
    transform var(--anim-duration-base) var(--ease-gentle),
    filter var(--anim-duration-base) var(--ease-gentle);
}

.c-accordion[data-true-focus]:hover .c-accordion__item,
.c-accordion[data-true-focus]:focus-within .c-accordion__item {
  opacity: var(--focus-dim-opacity);
}

.c-accordion[data-true-focus] .c-accordion__item:hover,
.c-accordion[data-true-focus] .c-accordion__item:focus-within {
  opacity: 1;
  transform: translateY(-1px);
}

/* ═══════════════════════════════════════
   6. PRINT STYLES
   ═══════════════════════════════════════ */

@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  a,
  a:visited {
    text-decoration: underline;
  }
  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    color: #555 !important;
  }
  a[href^='#']::after,
  a[href^='javascript:']::after,
  a[href^='mailto:']::after {
    content: '';
  }
  .l-navbar,
  .l-mobile-menu,
  .c-skip-link,
  .c-back-to-top,
  .c-scroll-progress,
  canvas,
  noscript {
    display: none !important;
  }
  .l-footer {
    border-top: 1px solid #ccc;
    padding-top: 1rem;
  }
  img {
    max-width: 100% !important;
  }
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    page-break-after: avoid;
    break-after: avoid;
  }
  p,
  li,
  blockquote {
    orphans: 3;
    widows: 3;
  }
  .u-text-gradient {
    background: none !important;
    -webkit-background-clip: initial !important;
    background-clip: initial !important;
    -webkit-text-fill-color: #000 !important;
    color: #000 !important;
  }
}

/* ═══════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════ */

.u-section-dark {
  background: var(--g-gray-100);
}

.u-section-header {
  max-width: 700px;
  margin: 0 auto var(--g-space-10);
}

.u-section-header--sm {
  max-width: 600px;
  margin: 0 auto var(--g-space-8);
}

.u-hero-subtitle {
  font-size: var(--g-text-lg);
  max-width: 540px;
  margin: var(--g-space-4) 0;
}

.u-hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: var(--g-space-6);
  flex-wrap: wrap;
}

.u-mb-6 {
  margin-bottom: var(--g-space-6);
}

.u-accordion-wrap {
  max-width: 800px;
  margin: 3rem auto;
}

.u-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: inherit;
}

.u-border-none {
  border: none;
}