/* ===== CSS VARIABLES ===== */
:root {
  /* Primary Colors */
  --primary-color: #0d9488;
  --primary-hover: #0f766e;
  --primary-light: #ccfbf1;

  /* Secondary Colors */
  --secondary-color: #64748b;
  --secondary-light: #f1f5f9;

  /* Neutral Colors */
  --white: #ffffff;
  --black: #000000;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-900: #0f172a;

  /* Accent Colors */
  --green-500: #22c55e;
  --green-600: #16a34a;
  --yellow-400: #facc15;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --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;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  line-height: var(--line-height-base);
  color: var(--gray-900);
  background-color: var(--white);
  padding-top: 70px;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: inherit;
}

/* ===== NAVIGATION BAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--black);
  z-index: 1000;
  box-shadow: var(--shadow-md);
  opacity: 94%;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) 0;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--white);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--primary-color);
  transform: translateY(-2px);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--gray-100);
  transition: 0.3s;
}

/* Animação do botão hamburger */
  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: var(--white);
}

.btn-outline {
  background-color: transparent;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-outline:hover {
  background-color: var(--gray-50);
  color: var(--gray-700);
}

.btn-full {
  width: 100%;
}

/* ===== HERO SECTION ===== */
.hero-section {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  padding: var(--spacing-3xl) 0;
}

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

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 500;
  width: fit-content;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--gray-900);
}

.hero-description {
  font-size: 1.125rem;
  color: var(--gray-600);
  line-height: var(--line-height-base);
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-top: var(--spacing-xs);
}

.hero-image {
  display: flex;
  justify-content: center;
}

.profile-photo {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
}

/* ===== ABOUT SECTION ===== */
.about-section {
  padding: var(--spacing-3xl) 0;
  background-color: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.section-description {
  font-size: 1.125rem;
  color: var(--gray-600);
}

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

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.about-description {
  font-size: 1.125rem;
  color: var(--gray-600);
  line-height: var(--line-height-base);
}

.about-methodology {
  color: var(--gray-700);
  line-height: var(--line-height-base);
}

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

.achievement-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.check-icon {
  color: var(--primary-color);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.value-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.value-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.card-icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-icon .icon {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.card-content {
  flex: 1;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
}

.card-description {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: var(--line-height-base);
}

/* ===== SERVICES SECTION ===== */
.services-section {
  padding: var(--spacing-3xl) 0;
  background-color: var(--gray-50);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.service-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  transition: box-shadow 0.3s ease;
}

.service-card:hover {
  box-shadow: var(--shadow-xl);
}

.service-icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.service-icon .icon {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.service-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.service-description {
  color: var(--gray-600);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-base);
}

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

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--gray-700);
}

.service-features .check-icon {
  color: var(--primary-color);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.service-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: transparent;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
  width: 100%;
  justify-content: center;
}

.service-btn:hover {
  background-color: var(--gray-50);
  color: var(--gray-700);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
  padding: var(--spacing-3xl) 0;
  background-color: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

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

.stars {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  color: var(--yellow-400);
  display: flex;
  gap: 2px;
}

.testimonial-text {
  color: var(--gray-700);
  font-style: italic;
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-base);
}

.testimonial-author {
  border-top: 1px solid var(--gray-200);
  padding-top: var(--spacing-sm);
}

.author-name {
  font-weight: 600;
  color: var(--gray-900);
}

.author-company {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
  padding: var(--spacing-3xl) 0;
  background-color: var(--gray-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

.contact-form-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-weight: 500;
  color: var(--gray-700);
  font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all 0.3s ease;
}

.contact-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.contact-card .card-icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card .card-icon i {
  font-size: 1.25rem;
  color: var(--primary-color);
}

.contact-card .card-content {
  flex: 1;
}

.contact-card .card-title {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
  font-size: 0.875rem;
}

.contact-card .card-value {
  color: var(--gray-600);
  font-size: 0.875rem;
  line-height: 1.4;
}

.contact-social-icons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}

.social-icon-contact {
  width: 3rem;
  height: 3rem;
  background-color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.social-icon-contact:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px) scale(1.05);
}

.social-icon-contact i {
  font-size: 1.25rem;
  color: var(--white);
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  width: 3.5rem;
  height: 3.5rem;
  background-color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  z-index: 1000;
}

.whatsapp-float:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px) scale(1.05);
}

.whatsapp-float .icon {
  font-size: 1.5rem;
  color: var(--white);
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--black);
  color: var(--white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  opacity: 94%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-contact {
  text-align: center;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  color: var(--gray-300);
  font-size: 0.875rem;
}

.footer-contact-item i {
  color: var(--primary-color);
  width: 1rem;
  text-align: center;
}

.footer-copyright {
  padding-top: var(--spacing-sm);
}

.footer-copyright p {
  color: var(--gray-300);
  font-size: 0.875rem;
  margin: 0;
}

.footer-links {
  text-align: center;
}

.footer-subtitle {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--spacing-sm);
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-nav a {
  color: var(--gray-300);
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: var(--primary-color);
}

.footer-social {
  text-align: center;
}

.social-icons {
  display: flex;
  flex-direction: column;
  padding-left: 37%;
}

.social-icon {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  color: var(--gray-300);
  transition: all 0.3s ease;
  border-radius: var(--radius-md);
  align-items: flex-start;
}

.social-icon .fa-facebook-f {
  padding-inline: 2px;
}

.social-icon:hover {
  color: var(--primary-color);
  transform: translateY(-2px);
}

.social-icon .icon-symbol {
  font-size: 1.25rem;
}

.social-icon .icon-text {
  font-size: 0.875rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

  .hero-title {
    font-size: 3rem;
  }

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

  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* ===== SMOOTH SCROLLING ===== */
html {
  scroll-behavior: smooth;
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Design Responsivo */
@media (max-width: 768px) {
  body {
    padding-top: 40px;
  }

  .navbar {
    display: none;
  }
  
  .nav-menu {
    display: none;
  }

  .navbar .container {
    justify-content: space-evenly;
  }

  .hamburger {
    display: flex;
  }

  .stats-grid {
    gap: 10px;
  }

  .hero-section {
    padding: 10px;
  }

  .about-section {
    padding-bottom: 50px;
  }

  .services-section {
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .testimonials-section {
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .contact-section {
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .contact-form-card {
    padding: 15px;
  }

  .contact-card {
    padding: 15px;
  }
}