/* ==========================================================================
   EOD Automação — Design System & Custom CSS
   Tokens, tipografia, superfícies, componentes e layouts responsivos
   ========================================================================== */

/* 1. FONTS */
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/inter_latin_variable-s.p.0gsaq8ukbf34m.woff2') format('woff2');
  font-display: swap;
  font-weight: 100 900;
  font-style: normal;
}

@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/poppins_latin_500-s.p.01tiwsu2c6vk3.woff2') format('woff2');
  font-display: swap;
  font-weight: 500;
  font-style: normal;
}

@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/poppins_latin_600-s.p.14nztc_w4mkh_.woff2') format('woff2');
  font-display: swap;
  font-weight: 600;
  font-style: normal;
}

/* 2. DESIGN TOKENS */
:root {
  --background: #07133b;
  --foreground: #ffffff;
  --navy: #061239;
  --navy-foreground: #ffffff;
  --brand-blue: #0a66f5;
  --brand-blue-strong: #004fce;
  --brand-cyan: #39c8ff;
  --brand-glow: #0f8fff;
  --whatsapp: #25d366;
  --whatsapp-foreground: #ffffff;
  --primary: #0a66f5;
  --primary-foreground: #ffffff;
  --button: #096bf5;
  --button-foreground: #ffffff;
  --surface: #f1f5ff;
  --surface-foreground: #10204a;
  --surface-muted: #536287;
  --surface-border: #d4def4;
  --panel: #081a4a;
  --panel-card: #112a62;
  --panel-border: #244b94;
  --card: #0a1845;
  --card-foreground: #ffffff;
  --popover: #0a1845;
  --popover-foreground: #ffffff;
  --secondary: #122657;
  --secondary-foreground: #ffffff;
  --muted: #122657;
  --muted-foreground: #a5b7dc;
  --accent: #193f82;
  --accent-foreground: #ffffff;
  --notice: #eaf3ff;
  --notice-foreground: #14336a;
  --notice-border: #a6c7ff;
  --destructive: #e40014;
  --border: #254b92;
  --input: #254b92;
  --ring: #39c8ff;
  --radius: 0.625rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --font-inter: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-poppins: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --motion-duration-micro: 0.16s;
  --motion-duration-fast: 0.18s;
  --motion-duration-base: 0.62s;
  --motion-duration-section: 0.72s;
  --header-height: 64px;
}

/* 3. BASE RESET & ACCESSIBILITY */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

html {
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
  line-height: 1.5;
  font-family: var(--font-inter);
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  background-color: var(--background);
  color: var(--foreground);
}

body {
  font-family: var(--font-inter);
  background-color: var(--navy);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

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

a {
  color: inherit;
  text-decoration: none;
  touch-action: manipulation;
}

button {
  background: none;
  border: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
  touch-action: manipulation;
}

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

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

.sr-only:focus {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 9999;
  width: auto;
  height: auto;
  padding: 0.75rem 1.25rem;
  background-color: var(--button);
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 600;
  clip: auto;
  overflow: visible;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* 4. TYPOGRAPHY HELPERS */
.font-display {
  font-family: var(--font-poppins);
}

.font-sans {
  font-family: var(--font-inter);
}

.text-brand-cyan {
  color: var(--brand-cyan);
}

.text-brand-blue {
  color: var(--brand-blue);
}

.text-surface-foreground {
  color: var(--surface-foreground);
}

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

/* 5. CONTAINERS & PANELS */
.section-shell {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 1rem;
  box-sizing: border-box;
}

@media (min-width: 640px) {
  .section-shell {
    padding-inline: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .section-shell {
    padding-inline: 2rem;
  }
}

.surface-panel {
  border-radius: var(--radius-xl);
  background-color: var(--surface);
  color: var(--surface-foreground);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  padding: 1.75rem 1rem;
  box-sizing: border-box;
}

@media (min-width: 640px) {
  .surface-panel {
    border-radius: var(--radius-2xl);
    padding: 2.75rem 2rem;
  }
}

.dark-panel {
  border-radius: var(--radius-xl);
  border: 1px solid var(--panel-border);
  background-color: var(--panel);
  color: #ffffff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  padding: 1.75rem 1rem;
  box-sizing: border-box;
}

@media (min-width: 640px) {
  .dark-panel {
    border-radius: var(--radius-2xl);
    padding: 2.75rem 2rem;
  }
}

.eyebrow-line {
  display: block;
  height: 2px;
  width: 2.5rem;
  background-color: var(--primary);
  border-radius: 9999px;
}

/* 6. BUTTONS & CTAs */
.gradient-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--brand-blue-strong) 0%, var(--brand-blue) 100%);
  color: #ffffff;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.25;
  box-shadow: 0 4px 14px rgba(10, 102, 245, 0.35);
  transition: filter var(--motion-duration-fast), transform var(--motion-duration-fast), box-shadow var(--motion-duration-fast);
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
}

.gradient-button:hover {
  filter: brightness(1.12);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(10, 102, 245, 0.45);
}

.gradient-button:active {
  transform: scale(0.98);
}

.outline-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.28);
  background-color: rgba(255, 255, 255, 0.04);
  color: #ffffff;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.25;
  transition: background-color var(--motion-duration-fast), border-color var(--motion-duration-fast), transform var(--motion-duration-fast);
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
}

.outline-button:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-1px);
}

.outline-button:active {
  transform: scale(0.98);
}

/* 7. SITE HEADER & NAVIGATION */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  border-bottom: 1px solid var(--panel-border);
  background-color: rgba(8, 26, 74, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: padding 0.2s ease, background-color 0.2s ease;
  width: 100%;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block: 0.625rem;
}

.site-header[data-scrolled="true"] .site-header-inner {
  padding-block: 0.5rem;
}

.site-logo-link {
  display: flex;
  align-items: center;
  border-radius: 0.375rem;
  flex-shrink: 0;
}

.site-nav-desktop {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .site-nav-desktop {
    display: flex;
  }
}

.site-nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  padding: 0.5rem 0.65rem;
  border-radius: 0.375rem;
  transition: color var(--motion-duration-fast), background-color var(--motion-duration-fast);
}

.site-nav-link:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.06);
}

.header-cta-btn {
  display: none;
}

@media (min-width: 640px) {
  .header-cta-btn {
    display: inline-flex;
  }
}

.mobile-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 0.375rem;
  color: rgba(255, 255, 255, 0.9);
  transition: background-color var(--motion-duration-fast);
  flex-shrink: 0;
}

.mobile-nav-toggle:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

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

/* Mobile Menu Dropdown */
#mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--panel);
  border-bottom: 1px solid var(--panel-border);
  padding: 1rem 1rem 1.5rem;
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.6);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  box-sizing: border-box;
  width: 100%;
}

#mobile-menu.menu-closed {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  visibility: hidden;
}

#mobile-menu.menu-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}

.mobile-nav-item {
  display: block;
  padding: 0.75rem 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(36, 75, 148, 0.4);
}

.mobile-nav-item:hover {
  color: #ffffff;
}

/* 8. HERO SECTION */
.hero-wrapper {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-height) + 1rem);
  padding-bottom: 1rem;
  box-sizing: border-box;
}

.hero-glow-blue {
  position: absolute;
  top: -4rem;
  left: -4rem;
  width: 16rem;
  height: 16rem;
  border-radius: 9999px;
  background: radial-gradient(circle, rgba(10, 102, 245, 0.22) 0%, rgba(10, 102, 245, 0) 70%);
  pointer-events: none;
  filter: blur(40px);
}

.hero-glow-cyan {
  position: absolute;
  bottom: -4rem;
  right: -4rem;
  width: 16rem;
  height: 16rem;
  border-radius: 9999px;
  background: radial-gradient(circle, rgba(57, 200, 255, 0.16) 0%, rgba(57, 200, 255, 0) 70%);
  pointer-events: none;
  filter: blur(40px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 100%;
  gap: 2rem;
  align-items: center;
  position: relative;
  z-index: 1;
  width: 100%;
  box-sizing: border-box;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.18fr 0.92fr;
    gap: 3.5rem;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.5rem;
  border-radius: 9999px;
  border: 1px solid rgba(57, 200, 255, 0.3);
  background-color: rgba(57, 200, 255, 0.1);
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand-cyan);
  margin-bottom: 1rem;
  max-width: 100%;
  line-height: 1.35;
  box-sizing: border-box;
}

.hero-badge-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background-color: var(--brand-cyan);
  margin-top: 3px;
  flex-shrink: 0;
}

.hero-title {
  font-family: var(--font-poppins);
  font-size: clamp(1.6rem, 6vw, 3.75rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #ffffff;
  word-break: break-word;
  overflow-wrap: break-word;
}

.hero-desc {
  margin-top: 1rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.82);
  max-width: 38rem;
}

@media (min-width: 640px) {
  .hero-desc {
    font-size: 1.0625rem;
    margin-top: 1.25rem;
  }
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
    align-items: center;
    gap: 0.875rem;
    width: auto;
  }
}

.hero-support-text {
  margin-top: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.75rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.7);
  max-width: 100%;
}

@media (min-width: 640px) {
  .hero-support-text {
    font-size: 0.8125rem;
    align-items: center;
  }
}

.hero-device-card {
  border-radius: 1rem;
  border: 1px solid var(--panel-border);
  background-color: var(--panel-card);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.65);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.hero-device-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background-color: #040c27;
  border-bottom: 1px solid var(--panel-border);
}

.hero-device-dots {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.hero-device-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
}

.hero-device-url {
  font-family: ui-monospace, monospace;
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.45);
  background-color: rgba(255, 255, 255, 0.05);
  padding: 0.125rem 0.5rem;
  border-radius: 0.25rem;
}

.hero-device-screen {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: #020718;
  width: 100%;
}

.hero-device-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.hero-device-overlay {
  position: absolute;
  bottom: 0.5rem;
  left: 0.5rem;
  right: 0.5rem;
  background-color: rgba(8, 26, 74, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
}

/* 9. GRIDS & SECTIONS */
.section-spacer {
  margin-top: 0.75rem;
  margin-bottom: 0.75rem;
}

@media (min-width: 640px) {
  .section-spacer {
    margin-top: 1rem;
    margin-bottom: 1rem;
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 100%;
  gap: 1.25rem;
  width: 100%;
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-2 {
  display: grid;
  grid-template-columns: 100%;
  gap: 1.25rem;
  width: 100%;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: 100%;
  gap: 1rem;
  width: 100%;
}

@media (min-width: 640px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Cards & Interactions */
.card-light {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  background-color: #ffffff;
  padding: 1.25rem;
  box-shadow: 0 2px 8px rgba(16, 32, 74, 0.04);
  transition: transform var(--motion-duration-fast), box-shadow var(--motion-duration-fast);
  box-sizing: border-box;
  width: 100%;
}

@media (min-width: 640px) {
  .card-light {
    padding: 1.5rem;
  }
}

.card-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(16, 32, 74, 0.08);
}

.card-dark {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius-lg);
  border: 1px solid var(--panel-border);
  background-color: rgba(17, 42, 98, 0.75);
  padding: 1.25rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  transition: transform var(--motion-duration-fast), border-color var(--motion-duration-fast), box-shadow var(--motion-duration-fast);
  box-sizing: border-box;
  width: 100%;
}

@media (min-width: 640px) {
  .card-dark {
    padding: 1.5rem;
  }
}

.card-dark:hover {
  transform: translateY(-2px);
  border-color: rgba(57, 200, 255, 0.35);
  box-shadow: 0 10px 24px -6px rgba(0, 0, 0, 0.4);
}

/* 10. PORTFOLIO CARDS & LIGHTBOX */
.portfolio-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  background-color: #ffffff;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(16, 32, 74, 0.04);
  transition: transform var(--motion-duration-fast), box-shadow var(--motion-duration-fast);
  box-sizing: border-box;
  width: 100%;
}

.portfolio-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(16, 32, 74, 0.1);
}

.portfolio-card-zoom {
  cursor: pointer;
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--navy);
  border: none;
  padding: 0;
  text-align: left;
}

.portfolio-card-zoom img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.portfolio-card-zoom:hover img {
  transform: scale(1.04);
}

.portfolio-zoom-badge {
  position: absolute;
  bottom: 0.625rem;
  right: 0.625rem;
  background: rgba(6, 18, 57, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(57, 200, 255, 0.35);
  color: #ffffff;
  padding: 0.35rem 0.65rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  opacity: 0.95;
  transition: opacity 0.18s ease, transform 0.18s ease, background-color 0.18s ease;
}

.portfolio-card-zoom:hover .portfolio-zoom-badge {
  transform: scale(1.04);
  background-color: rgba(10, 102, 245, 0.92);
}

.portfolio-content {
  padding: 1.125rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

/* Lightbox Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(4, 12, 39, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  box-sizing: border-box;
}

.modal-backdrop.modal-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background-color: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 1rem;
  max-width: 1080px;
  width: 100%;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8);
  transform: scale(0.96);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
  box-sizing: border-box;
}

.modal-backdrop.modal-open .modal-container {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--panel-border);
  background-color: var(--panel);
  gap: 0.5rem;
}

.modal-body {
  overflow-y: auto;
  max-height: calc(92vh - 90px);
  background-color: #030a21;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.modal-body img {
  width: 100%;
  height: auto;
  display: block;
}

/* 11. ACCESSIBLE FAQ ACCORDION */
details.faq-item {
  border-bottom: 1px solid var(--surface-border);
  transition: background-color 0.2s ease;
  border-radius: 0.5rem;
  width: 100%;
  box-sizing: border-box;
}

details.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.875rem 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--surface-foreground);
  box-sizing: border-box;
}

@media (min-width: 640px) {
  details.faq-item summary {
    font-size: 0.9375rem;
    padding: 1rem 0.5rem;
  }
}

details.faq-item summary::-webkit-details-marker {
  display: none;
}

details.faq-item summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 0.375rem;
}

details.faq-item summary .chevron-icon {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--surface-muted);
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1), color 0.22s ease;
}

details.faq-item[open] summary .chevron-icon {
  transform: rotate(180deg);
  color: var(--primary);
}

details.faq-item[open] {
  background-color: rgba(212, 222, 244, 0.35);
}

.faq-answer {
  padding: 0 0.5rem 0.875rem;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--surface-muted);
}

@media (min-width: 640px) {
  .faq-answer {
    font-size: 0.875rem;
    padding: 0 0.5rem 1rem;
  }
}

/* 12. WHATSAPP FLOATING TRIGGER */
.whatsapp-floating {
  position: fixed;
  bottom: calc(0.875rem + env(safe-area-inset-bottom, 0px));
  right: 0.875rem;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--whatsapp);
  color: var(--whatsapp-foreground);
  border-radius: 9999px;
  padding: 0.65rem 0.875rem;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
  transition: transform 0.18s ease, filter 0.18s ease, box-shadow 0.18s ease;
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 600;
}

@media (min-width: 640px) {
  .whatsapp-floating {
    bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
    right: 1.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }
}

.whatsapp-floating:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(37, 211, 102, 0.45);
}

.whatsapp-floating:active {
  transform: scale(0.96);
}

.whatsapp-floating:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
}

/* 13. UTILITY CLASSES */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.text-center { text-align: center; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-tight { letter-spacing: -0.025em; }
.relative { position: relative; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hidden { display: none !important; }
.size-4 { width: 1rem; height: 1rem; }
.size-5 { width: 1.25rem; height: 1.25rem; }
.size-6 { width: 1.5rem; height: 1.5rem; }
.size-10 { width: 2.5rem; height: 2.5rem; }