/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
  /* Colors */
  --color-primary: #FFD700;
  --color-primary-dark: #FFC700;
  --color-primary-light: #FFE55C;
  --color-secondary: #000000;
  --color-secondary-light: #1a1a1a;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-border: #e0e0e0;
  --color-white: #ffffff;
  --color-success: #28a745;
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --font-size-4xl: 36px;
  --font-size-5xl: 48px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-base: 1.6;
  --line-height-tight: 1.2;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --container-padding: 1.5rem;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --box-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
  
  /* Breakpoints (for reference) */
  --bp-sm: 576px;
  --bp-md: 768px;
  --bp-lg: 992px;
  --bp-xl: 1200px;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

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

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-secondary);
  color: var(--color-primary);
  padding: 8px 16px;
  text-decoration: none;
  z-index: 1000;
  border-radius: 0 0 var(--border-radius) 0;
}

.skip-link:focus {
  top: 0;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover,
a:focus {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* ===================================
   Container
   =================================== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--box-shadow);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__brand {
  display: flex;
  align-items: center;
}

.logo {
  height: 60px;
  width: auto;
  max-width: 200px;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  gap: 4px;
}

.nav__toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

.nav__menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav__link {
  color: var(--color-white);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.nav__link:hover,
.nav__link:focus {
  color: var(--color-primary);
  text-decoration: none;
  background-color: rgba(255, 215, 0, 0.1);
}

.nav__cta {
  margin-left: var(--spacing-sm);
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.5;
}

.btn:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  border-color: var(--color-primary);
}

.btn--primary:hover,
.btn--primary:focus {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-secondary);
  text-decoration: none;
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--secondary:hover,
.btn--secondary:focus {
  background-color: var(--color-white);
  color: var(--color-secondary);
  text-decoration: none;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover,
.btn--outline:focus {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  text-decoration: none;
}

.btn--large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

.btn--whatsapp {
  background-color: #25D366;
  color: var(--color-white);
  border-color: #25D366;
}

.btn--whatsapp:hover,
.btn--whatsapp:focus {
  background-color: #20BA5A;
  border-color: #20BA5A;
  color: var(--color-white);
  text-decoration: none;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero__content {
  z-index: 1;
}

.hero__title {
  color: var(--color-primary);
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
}

.hero__cta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat__number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.stat__label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--spacing-xs);
}

.hero__image {
  position: relative;
}

.hero__image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-lg);
}

/* ===================================
   Sections
   =================================== */
section {
  padding: var(--spacing-3xl) 0;
}

.section__title {
  text-align: center;
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary);
}

.section__subtitle {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

/* ===================================
   Highlights Section
   =================================== */
.highlights {
  background-color: var(--color-bg-alt);
}

.highlights__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.highlight-card {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.highlight-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-lg);
}

.highlight-card__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.highlight-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
}

.highlight-card__description {
  color: var(--color-text-light);
  line-height: var(--line-height-base);
}

/* ===================================
   Services Section
   =================================== */
.services {
  background-color: var(--color-white);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--box-shadow-lg);
  transform: translateY(-5px);
}

.service-card__header {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
  padding: var(--spacing-lg);
}

.service-card__title {
  color: var(--color-primary);
  font-size: var(--font-size-2xl);
  margin-bottom: 0;
}

.service-card__body {
  padding: var(--spacing-lg);
  flex-grow: 1;
}

.service-card__description {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-base);
}

.service-card__benefits {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.service-card__benefits li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--color-text);
}

.service-card__benefits li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.service-card__footer {
  padding: var(--spacing-lg);
  padding-top: 0;
}

/* ===================================
   About Section
   =================================== */
.about {
  background-color: var(--color-bg-alt);
}

.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about__description {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-base);
}

.about__description strong {
  color: var(--color-secondary);
  font-weight: var(--font-weight-bold);
}

.about__features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.feature__icon {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
}

.feature__text {
  color: var(--color-text);
}

.about__image {
  position: relative;
}

.about__image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-lg);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
  background-color: var(--color-white);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-card {
  background-color: var(--color-bg-alt);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-lg);
}

.testimonial-card__rating {
  margin-bottom: var(--spacing-md);
}

.star {
  color: var(--color-primary);
  font-size: var(--font-size-xl);
}

.testimonial-card__text {
  font-size: var(--font-size-lg);
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-base);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial-card__photo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-primary);
}

.testimonial-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  border: 3px solid var(--color-primary);
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.testimonial-card__name {
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
}

.testimonial-card__service {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* ===================================
   CTA Final Section
   =================================== */
.cta-final {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.cta-final__content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-final__title {
  color: var(--color-primary);
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

.cta-final__subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.9);
}

.cta-final__buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

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

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer__title {
  color: var(--color-primary);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.footer__description {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-md);
}

.footer__social {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.social-link:hover,
.social-link:focus {
  color: var(--color-primary);
  background-color: rgba(255, 215, 0, 0.1);
  text-decoration: none;
}

.footer__address {
  font-style: normal;
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--line-height-base);
}

.footer__address p {
  margin-bottom: var(--spacing-md);
}

.footer__address a {
  color: var(--color-primary);
}

.footer__address a:hover,
.footer__address a:focus {
  text-decoration: underline;
}

.footer__hours p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-base);
}

.footer__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer__copyright,
.footer__cnpj {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.footer__legal {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.footer__link {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
}

.footer__link:hover,
.footer__link:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ===================================
   WhatsApp Floating Button
   =================================== */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--box-shadow-lg);
  z-index: 1000;
  transition: var(--transition);
  text-decoration: none;
}

.whatsapp-float:hover,
.whatsapp-float:focus {
  background-color: #20BA5A;
  transform: scale(1.1);
  text-decoration: none;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
  :root {
    --font-size-5xl: 40px;
    --font-size-4xl: 32px;
    --font-size-3xl: 26px;
  }

  .hero__container {
    grid-template-columns: 1fr;
  }

  .hero__image {
    order: -1;
    max-width: 100%;
  }

  .hero__image img {
    max-width: 100%;
    max-height: 400px;
    object-fit: cover;
  }

  .about__content {
    grid-template-columns: 1fr;
  }

  .about__image {
    order: -1;
    max-width: 100%;
  }

  .about__image img {
    max-width: 100%;
    max-height: 300px;
    object-fit: cover;
  }

  .about__features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 80px;
    left: -100%;
    flex-direction: column;
    background-color: var(--color-secondary);
    width: 100%;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--box-shadow-lg);
    padding: var(--spacing-lg) 0;
    gap: var(--spacing-md);
  }

  .nav__menu.active {
    left: 0;
  }

  .nav__link {
    width: 100%;
    padding: var(--spacing-md);
  }

  .nav__cta {
    margin-left: 0;
    width: calc(100% - 2rem);
    margin: 0 1rem;
  }

  .hero {
    padding: var(--spacing-xl) 0;
  }

  .hero__title {
    font-size: var(--font-size-4xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-lg);
  }

  .hero__cta {
    flex-direction: column;
  }

  .hero__cta .btn {
    width: 100%;
  }

  .hero__stats {
    justify-content: center;
  }

  .hero__image {
    margin-bottom: var(--spacing-md);
  }

  .hero__image img {
    max-width: 100%;
    max-height: 300px;
    width: 100%;
    object-fit: cover;
  }

  .about__image {
    margin-bottom: var(--spacing-md);
  }

  .about__image img {
    max-width: 100%;
    max-height: 250px;
    width: 100%;
    object-fit: cover;
  }

  section {
    padding: var(--spacing-2xl) 0;
  }

  .section__title {
    font-size: var(--font-size-3xl);
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .highlights__grid {
    grid-template-columns: 1fr;
  }

  .testimonials__grid {
    grid-template-columns: 1fr;
  }

  .cta-final__buttons {
    flex-direction: column;
  }

  .cta-final__buttons .btn {
    width: 100%;
  }

  .footer__content {
    grid-template-columns: 1fr;
  }

  .footer__actions .btn {
    width: 100%;
  }
}

@media (max-width: 576px) {
  :root {
    --container-padding: 1rem;
    --font-size-5xl: 32px;
    --font-size-4xl: 28px;
    --font-size-3xl: 24px;
  }

  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .stat__number {
    font-size: var(--font-size-3xl);
  }

  .hero__image img {
    max-height: 250px;
  }

  .about__image img {
    max-height: 200px;
  }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
  .header,
  .whatsapp-float,
  .footer__legal,
  .nav__menu,
  .hero__cta,
  .cta-final,
  .footer__actions {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}

/* ===================================
   Accessibility Improvements
   =================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #FFC700;
    --color-text: #000000;
    --color-border: #000000;
  }
  
  .btn {
    border-width: 3px;
  }
}