/* ============ VARIÁVEIS ============ */
:root {
  /* Cores */
  --primary-color: #8b5a2b; /* Madeira clássica */
  --primary-dark: #5a3921;
  --primary-light: #b78b5f;
  --secondary-color: #333333;
  --accent-color: #d4af37; /* Dourado para detalhes */
  --light-color: #f8f5f2;
  --dark-color: #2c2c2c;
  --text-color: #333333;
  --text-light: #777777;
  --white: #ffffff;
  --black: #000000;

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);

  /* Bordas */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-round: 50%;

  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Espaçamentos */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
}

/* ============ RESET E BASE ============ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 62.5%; /* 1rem = 10px */
}

body {
  font-family: "Montserrat", sans-serif;
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--white);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Playfair Display", serif;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

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

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

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

ul,
ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-xxl) 0;
}

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

.section-subtitle {
  display: block;
  font-size: 1.4rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary-color);
  margin-bottom: var(--space-xs);
}

.section-title {
  font-size: 3.6rem;
  margin-bottom: var(--space-md);
}

.section-title span {
  color: var(--primary-color);
  position: relative;
}

.section-title span::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 0;
  width: 100%;
  height: 8px;
  background-color: rgba(139, 90, 43, 0.2);
  z-index: -1;
}

.section-divider {
  width: 60px;
  height: 3px;
  background-color: var(--primary-color);
  margin: 0 auto var(--space-md);
}

.section-description {
  max-width: 700px;
  margin: 0 auto;
  color: var(--text-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 1.2rem 2.4rem;
  font-size: 1.4rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.highlight {
  color: var(--primary-color);
  position: relative;
}

.highlight::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 6px;
  background-color: rgba(139, 90, 43, 0.3);
  z-index: -1;
}

/* ============ HEADER ============ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: var(--transition-normal);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
  padding: 5px 0;
}

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

.logo img {
  transition: var(--transition-normal);
}

.header.scrolled .logo img {
  height: 50px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: var(--space-md);
  margin-right: var(--space-lg);
}

.nav-link {
  position: relative;
  font-size: 1.4rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--space-xs) 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--primary-color);
  font-weight: 600;
}

.mobile-nav-toggle {
  display: none;
  width: 30px;
  height: 30px;
  position: relative;
  z-index: 1001;
}

.hamburger {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 2px;
  background-color: var(--dark-color);
  transition: var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--dark-color);
  transition: var(--transition-fast);
}

.hamburger::before {
  top: -6px;
}

.hamburger::after {
  top: 6px;
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent;
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
}

/* ============ HERO SECTION ============ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  background: url("./img/background-principal.webp") no-repeat center center;
  background-size: cover;
  color: var(--white);
  margin-top: -80px;
  padding-top: 80px;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.hero-title {
  font-size: 5.2rem;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-text {
  font-size: 1.8rem;
  margin-bottom: var(--space-lg);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

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

.hero-badge {
  position: absolute;
  right: 5%;
  bottom: 15%;
  z-index: 2;
}

.badge-content {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color);
  border-radius: var(--radius-round);
  box-shadow: var(--shadow-lg);
  animation: pulse 2s infinite;
}

.badge-years {
  font-size: 3.6rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.badge-text {
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--white);
  text-align: center;
}

.scroll-down {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  border: 2px solid var(--white);
  border-radius: var(--radius-round);
  animation: bounce 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-20px) translateX(-50%);
  }
  60% {
    transform: translateY(-10px) translateX(-50%);
  }
}

/* ============ ABOUT SECTION ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-content .lead {
  font-size: 1.8rem;
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

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

.feature-card {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background-color: var(--light-color);
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

.feature-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: var(--radius-round);
  margin-bottom: var(--space-sm);
  font-size: 1.8rem;
}

.feature-card h3 {
  font-size: 1.8rem;
  margin-bottom: var(--space-xs);
}

.feature-card p {
  font-size: 1.4rem;
  color: var(--text-light);
}

.about-images {
  position: relative;
}

.image-stack {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin-left: auto;
}

.stack-top {
  position: relative;
  width: 80%;
  margin-left: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.stack-bottom {
  position: absolute;
  width: 80%;
  bottom: -40px;
  left: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.stack-top img,
.stack-bottom img {
  transition: var(--transition-slow);
  transform-origin: center;
}

.stack-top:hover img {
  transform: scale(1.05);
}

.stack-bottom:hover img {
  transform: scale(1.05);
}

.experience-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background-color: var(--primary-color);
  color: var(--white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 3;
  text-align: center;
}

.experience-badge span {
  display: block;
  font-size: 2rem;
  font-weight: 700;
}

.experience-badge p {
  font-size: 1.2rem;
  margin-bottom: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xxl);
}

.stat-card {
  text-align: center;
  padding: var(--space-lg);
  background-color: var(--light-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

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

.stat-number {
  font-size: 4.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 1.4rem;
  color: var(--text-light);
}

/* ============ PROJECTS SECTION ============ */
.projects-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.filter-btn {
  padding: 0.8rem 1.6rem;
  font-size: 1.4rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-light);
  background-color: transparent;
  border: 1px solid #e0e0e0;
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-lg);
}

.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.project-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

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

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-overlay h3 {
  color: var(--white);
  font-size: 2rem;
  margin-bottom: var(--space-xs);
  transform: translateY(20px);
  transition: var(--transition-normal);
  transition-delay: 0.1s;
}

.project-overlay p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.4rem;
  margin-bottom: var(--space-sm);
  transform: translateY(20px);
  transition: var(--transition-normal);
  transition-delay: 0.2s;
}

.project-link {
  align-self: flex-start;
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--primary-color);
  transform: translateY(20px);
  transition: var(--transition-normal);
  transition-delay: 0.3s;
}

.project-card:hover .project-overlay h3,
.project-card:hover .project-overlay p,
.project-card:hover .project-overlay a {
  transform: translateY(0);
}

.project-info {
  padding: var(--space-md);
  background-color: var(--white);
}

.project-category {
  display: block;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary-color);
  margin-bottom: var(--space-xs);
}

.project-title {
  font-size: 1.8rem;
  margin-bottom: 0;
}

.projects-cta {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ============ PROCESS SECTION ============ */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.process-steps::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50px;
  width: 2px;
  height: 100%;
  background-color: var(--primary-light);
  z-index: 1;
}

.step-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  z-index: 2;
  transition: var(--transition-normal);
}

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

.step-number {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--primary-color);
  min-width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--light-color);
  border-radius: var(--radius-round);
}

.step-content {
  flex: 1;
}

.step-content h3 {
  font-size: 2rem;
  margin-bottom: var(--space-xs);
}

.step-content p {
  color: var(--text-light);
}

.step-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: var(--radius-round);
  font-size: 1.8rem;
}

/* ============ TESTIMONIALS SECTION ============ */
.testimonials-slider {
  max-width: 1000px;
  margin: 0 auto;
}

.testimonial-card {
  padding: var(--space-lg);
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: 0 var(--space-md);
  transition: var(--transition-normal);
}

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

.testimonial-rating {
  color: var(--accent-color);
  margin-bottom: var(--space-md);
}

.testimonial-text {
  font-size: 1.6rem;
  font-style: italic;
  margin-bottom: var(--space-lg);
  position: relative;
}

.testimonial-text::before,
.testimonial-text::after {
  content: '"';
  font-size: 3rem;
  color: var(--primary-light);
  opacity: 0.3;
  position: absolute;
}

.testimonial-text::before {
  top: -15px;
  left: -10px;
}

.testimonial-text::after {
  bottom: -25px;
  right: -10px;
}

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

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-round);
  object-fit: cover;
}

.testimonial-author h4 {
  font-size: 1.8rem;
  margin-bottom: var(--space-xs);
}

.testimonial-author span {
  font-size: 1.4rem;
  color: var(--text-light);
}

/* ============ CTA SECTION ============ */
.cta-section {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url("../img/cta-bg.webp") no-repeat center center;
  background-size: cover;
  color: var(--white);
  text-align: center;
  padding: var(--space-xxl) 0;
}

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

.cta-content h2 {
  font-size: 3.6rem;
  margin-bottom: var(--space-md);
}

.cta-content p {
  font-size: 1.8rem;
  margin-bottom: var(--space-lg);
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

/* ============ CONTACT SECTION ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

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

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

.info-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--light-color);
  color: var(--primary-color);
  border-radius: var(--radius-round);
  font-size: 1.8rem;
  flex-shrink: 0;
}

.info-content h3 {
  font-size: 1.8rem;
  margin-bottom: var(--space-xs);
}

.info-content p,
.info-content a {
  font-size: 1.4rem;
  color: var(--text-light);
}

.info-content a:hover {
  color: var(--primary-color);
}

.contact-social h3 {
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
}

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

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--light-color);
  color: var(--primary-color);
  border-radius: var(--radius-round);
  font-size: 1.6rem;
  transition: var(--transition-normal);
}

.social-links a:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-3px);
}

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

.form-group {
  position: relative;
  margin-bottom: var(--space-md);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-sm) var(--space-sm) var(--space-sm) 0;
  font-size: 1.6rem;
  color: var(--text-color);
  border: none;
  border-bottom: 1px solid #e0e0e0;
  outline: none;
  transition: var(--transition-normal);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  appearance: none;
  background-color: transparent;
}

.form-group label {
  position: absolute;
  top: var(--space-sm);
  left: 0;
  font-size: 1.6rem;
  color: var(--text-light);
  pointer-events: none;
  transition: var(--transition-normal);
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label,
.form-group select:focus ~ label,
.form-group select:valid ~ label {
  top: -15px;
  font-size: 1.2rem;
  color: var(--primary-color);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-bottom-color: var(--primary-color);
}

.contact-map {
  grid-column: 1 / -1;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ============ FOOTER ============ */
.footer {
  background-color: var(--dark-color);
  color: var(--white);
  padding: var(--space-xxl) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-xxl);
}

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

.footer-about p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-md);
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-radius: var(--radius-round);
  font-size: 1.6rem;
  transition: var(--transition-normal);
}

.footer-social a:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.footer h3 {
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-sm);
}

.footer h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer-links ul,
.footer-services ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

.footer-services li {
  color: rgba(255, 255, 255, 0.7);
  position: relative;
  padding-left: var(--space-sm);
}

.footer-services li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary-color);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
  color: var(--primary-color);
  font-size: 1.6rem;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-md) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
}

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

/* ============ WHATSAPP FLOAT ============ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #25d366;
  color: var(--white);
  border-radius: var(--radius-round);
  font-size: 2.4rem;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: var(--transition-normal);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-5px);
  animation: none;
}

/* ============ ANIMAÇÕES ============ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 1s ease forwards;
}

.delay-1 {
  animation-delay: 0.2s;
}

.delay-2 {
  animation-delay: 0.4s;
}

.delay-3 {
  animation-delay: 0.6s;
}

/* ============ RESPONSIVIDADE ============ */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .image-stack {
    margin: 0 auto;
  }

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

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

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

@media (max-width: 768px) {
  .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-right: 0;
    transition: var(--transition-normal);
    z-index: 1000;
  }

  .nav-list[data-visible="true"] {
    right: 0;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .hero-title {
    font-size: 4rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .process-steps::before {
    left: 25px;
  }

  .step-card {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .step-icon {
    margin-left: auto;
  }

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

@media (max-width: 576px) {
  .section-title {
    font-size: 2.8rem;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}