/* ==========================================================================
   COMPUTADOR.COM - Premium Tech Service
   Aesthetic: Apple-inspired minimalism with refined elegance
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Inspired by logo (gray tones) with premium accents */
  --color-primary: #1d1d1f;
  --color-secondary: #515154;
  --color-tertiary: #86868b;
  --color-accent: #0071e3;
  --color-accent-hover: #0077ed;
  --color-surface: #ffffff;
  --color-surface-secondary: #f5f5f7;
  --color-surface-dark: #1d1d1f;
  --color-border: #d2d2d7;
  --color-success: #34c759;
  
  /* Typography - SF Pro inspired with fallbacks */
  --font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Font Sizes - Fluid typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --text-4xl: clamp(2.5rem, 2rem + 3vw, 4rem);
  --text-5xl: clamp(3rem, 2.5rem + 4vw, 5rem);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;
  
  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 980px;
  --max-width-text: 720px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 24px 80px rgba(0, 0, 0, 0.14);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-primary);
  background-color: var(--color-surface);
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.headline-hero {
  font-size: var(--text-5xl);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.headline-section {
  font-size: var(--text-4xl);
  font-weight: 600;
}

.headline-feature {
  font-size: var(--text-3xl);
  font-weight: 600;
}

.headline-card {
  font-size: var(--text-2xl);
  font-weight: 600;
}

.subheadline {
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-secondary);
  line-height: 1.4;
}

.body-large {
  font-size: var(--text-lg);
  line-height: 1.5;
}

.body-small {
  font-size: var(--text-sm);
  color: var(--color-secondary);
}

.label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-tertiary);
}

/* --------------------------------------------------------------------------
   Layout Components
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.container--text {
  max-width: var(--max-width-text);
}

.section {
  padding: var(--space-4xl) 0;
}

.section--hero {
  padding: var(--space-3xl) 0 var(--space-4xl);
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.section--dark {
  background-color: var(--color-surface-dark);
  color: var(--color-surface);
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: var(--color-surface);
}

.section--dark .subheadline {
  color: var(--color-border);
}

.section--gray {
  background-color: var(--color-surface-secondary);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  transition: all var(--transition-base);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav__logo img {
  height: 32px;
  width: auto;
  display: block;
}

/* Desktop Menu */
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links li {
  margin: 0;
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-primary);
  transition: color var(--transition-fast);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  display: block;
}

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

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-surface);
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  margin-left: var(--space-sm);
}

.nav__cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-surface);
  transform: scale(1.02);
}

.nav__cta svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Mobile Toggle Button */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  margin-right: -10px;
  z-index: 1001;
}

.nav__toggle-icon {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  position: relative;
  transition: all var(--transition-fast);
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-fast);
}

.nav__toggle-icon::before { top: -6px; }
.nav__toggle-icon::after { bottom: -6px; }

/* Toggle active state */
.nav__toggle.is-active .nav__toggle-icon {
  background: transparent;
}

.nav__toggle.is-active .nav__toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav__toggle.is-active .nav__toggle-icon::after {
  bottom: 0;
  transform: rotate(-45deg);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav__toggle {
    display: block;
  }
  
  .nav__menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-lg);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    visibility: hidden;
  }
  
  .nav__menu.is-active {
    transform: translateX(0);
    visibility: visible;
  }
  
  .nav__links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }
  
  .nav__links li {
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav__link {
    display: block;
    padding: var(--space-md) 0;
    font-size: var(--text-lg);
    width: 100%;
  }
  
  .nav__cta {
    margin: var(--space-lg) 0 0 0;
    width: 100%;
    justify-content: center;
    padding: var(--space-md);
    font-size: var(--text-base);
  }
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  padding-top: calc(60px + var(--space-3xl));
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-surface-secondary);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-secondary);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s ease-out;
}

.hero__badge-icon {
  width: 16px;
  height: 16px;
  color: var(--color-success);
}

.hero__title {
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.hero__subtitle {
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-3xl);
  animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

.hero__image {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero__image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

@media (max-width: 768px) {
  .hero {
    padding-top: calc(60px + var(--space-2xl));
  }
  
  .hero__image {
    border-radius: var(--radius-lg);
    margin-left: calc(var(--space-lg) * -1);
    margin-right: calc(var(--space-lg) * -1);
    max-width: none;
    width: calc(100% + var(--space-lg) * 2);
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  text-align: center;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn--primary {
  color: var(--color-surface);
  background: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-surface);
  transform: scale(1.02);
}

.btn--secondary {
  color: var(--color-accent);
  background: transparent;
  border: 1px solid var(--color-accent);
}

.btn--secondary:hover {
  background: var(--color-accent);
  color: var(--color-surface);
}

.btn--dark {
  color: var(--color-surface);
  background: var(--color-primary);
}

.btn--dark:hover {
  background: var(--color-secondary);
  color: var(--color-surface);
}

.btn--large {
  padding: 1.125rem 2.25rem;
  font-size: var(--text-lg);
}

.btn--icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 50%;
}

.btn--whatsapp {
  background: #25d366;
  color: white;
}

.btn--whatsapp:hover {
  background: #20bd5a;
  color: white;
}

/* --------------------------------------------------------------------------
   Features/Differentials Section
   -------------------------------------------------------------------------- */
.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
}

.feature {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.feature:hover {
  border-color: transparent;
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-secondary);
  border-radius: var(--radius-md);
  color: var(--color-accent);
}

.feature__icon svg {
  width: 24px;
  height: 24px;
}

.feature__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.feature__text {
  font-size: var(--text-sm);
  color: var(--color-secondary);
}

@media (max-width: 1024px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .features {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Services Section
   -------------------------------------------------------------------------- */
.services-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.service-card {
  position: relative;
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), #64d2ff);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-secondary);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
}

.service-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.service-card__text {
  font-size: var(--text-sm);
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
}

.service-card__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.service-card:hover .service-card__link svg {
  transform: translateX(4px);
}

.service-card--featured {
  background: var(--color-surface-dark);
  border-color: transparent;
}

.service-card--featured .service-card__icon {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-surface);
}

.service-card--featured .service-card__title {
  color: var(--color-surface);
}

.service-card--featured .service-card__text {
  color: var(--color-border);
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   About/Story Section
   -------------------------------------------------------------------------- */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about__content {
  max-width: 500px;
}

.about__label {
  margin-bottom: var(--space-sm);
}

.about__title {
  margin-bottom: var(--space-md);
}

.about__text {
  color: var(--color-secondary);
  margin-bottom: var(--space-lg);
}

.about__stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.about__stat {
  text-align: left;
}

.about__stat-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.about__stat-label {
  font-size: var(--text-sm);
  color: var(--color-tertiary);
  margin-top: var(--space-xs);
}

.about__images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.about__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.about__image:first-child {
  grid-column: span 2;
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about__image:hover img {
  transform: scale(1.03);
}

@media (max-width: 1024px) {
  .about {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .about__content {
    max-width: 100%;
    order: 2;
  }
  
  .about__images {
    order: 1;
  }
}

/* --------------------------------------------------------------------------
   Reviews/Testimonials
   -------------------------------------------------------------------------- */
.reviews-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.reviews-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-lg);
}

.reviews-badge__stars {
  display: flex;
  gap: 2px;
  color: #fbbf24;
}

.reviews-badge__text {
  font-size: var(--text-sm);
  font-weight: 500;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.review-card {
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.review-card__stars {
  display: flex;
  gap: 2px;
  color: #fbbf24;
  margin-bottom: var(--space-md);
}

.review-card__text {
  font-size: var(--text-base);
  color: var(--color-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.review-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.review-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-primary);
}

.review-card__name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.review-card__source {
  font-size: var(--text-xs);
  color: var(--color-tertiary);
}

@media (max-width: 1024px) {
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .reviews-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Location Section
   -------------------------------------------------------------------------- */
.location {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.location__content {
  max-width: 480px;
}

.location__title {
  margin-bottom: var(--space-md);
}

.location__text {
  color: var(--color-secondary);
  margin-bottom: var(--space-xl);
}

.location__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.location__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.location__item-icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.location__item-text {
  font-size: var(--text-base);
}

.location__item-text strong {
  display: block;
  font-weight: 600;
  margin-bottom: 2px;
}

.location__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.location__map {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}

.location__map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

@media (max-width: 1024px) {
  .location {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
  text-align: center;
  padding: var(--space-4xl) 0;
}

.cta-section__title {
  margin-bottom: var(--space-md);
}

.cta-section__text {
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.cta-section__buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-surface-secondary);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  max-width: 280px;
}

.footer__logo {
  height: 36px;
  margin-bottom: var(--space-md);
}

.footer__logo img {
  height: 100%;
  width: auto;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border-radius: 50%;
  color: var(--color-secondary);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--color-accent);
  color: var(--color-surface);
}

.footer__column h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--space-xs);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__copy {
  font-size: var(--text-sm);
  color: var(--color-tertiary);
}

.footer__legal {
  display: flex;
  gap: var(--space-md);
}

.footer__legal a {
  font-size: var(--text-sm);
  color: var(--color-tertiary);
}

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

@media (max-width: 640px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Floating WhatsApp Button
   -------------------------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 999;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: #25d366;
  color: white;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.whatsapp-float:hover {
  background: #20bd5a;
  color: white;
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.whatsapp-float__icon {
  width: 24px;
  height: 24px;
}

.whatsapp-float__text {
  font-size: var(--text-sm);
  font-weight: 500;
}

@media (max-width: 640px) {
  .whatsapp-float {
    padding: var(--space-sm);
    border-radius: 50%;
  }
  
  .whatsapp-float__text {
    display: none;
  }
  
  .whatsapp-float__icon {
    width: 28px;
    height: 28px;
  }
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animation delays */
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.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;
}