* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #0a3b5c;
  --secondary-color: #1a5a8a;
  --accent-color: #3a9bd4;
  --light-bg: #f4f8fb;
  --white: #ffffff;
  --text-dark: #2c3e50;
  --text-light: #6c757d;
  --gradient: linear-gradient(135deg, #0a3b5c 0%, #1a5a8a 100%);
  --whatsapp-green: #25D366;
}

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
}

/* Cabeçalho */
header {
  background: var(--white);
  padding: 1rem 2rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 3px solid var(--accent-color);
}

header .logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

header img {
  height: 50px;
  width: auto;
}

header h1 {
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

header nav {
  display: flex;
  gap: 2rem;
}

header nav a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: 5px;
}

header nav a:hover {
  color: var(--accent-color);
  background: var(--light-bg);
}

/* Menu Mobile */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.4rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
  border-radius: 3px;
}

/* Seção Hero */
.hero {
  background: var(--gradient);
  color: var(--white);
  text-align: center;
  padding: 8rem 2rem 6rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  font-weight: 300;
  opacity: 0.95;
}

.hero .language-flags {
  font-size: 3rem;
  margin-bottom: 2rem;
  letter-spacing: 1rem;
}

.btn {
  display: inline-block;
  padding: 1rem 3rem;
  background: var(--white);
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
  background: var(--accent-color);
  color: var(--white);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.container h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 3rem;
  position: relative;
  padding-bottom: 1rem;
}

.container h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--accent-color);
  border-radius: 2px;
}

/* Serviços */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(10, 59, 92, 0.1);
  transition: all 0.3s ease;
  border-top: 4px solid var(--accent-color);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(10, 59, 92, 0.2);
}

.card h3 {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card h3::before {
  content: '✓';
  background: var(--accent-color);
  color: var(--white);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.card p {
  color: var(--text-light);
  line-height: 1.8;
  font-size: 1rem;
}

/* Seção Missão, Visão e Valores */
.mvv {
  background: var(--white);
}

.mvv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.mvv-card {
  background: var(--light-bg);
  padding: 2.5rem;
  border-radius: 15px;
  text-align: center;
  transition: all 0.3s ease;
  border-left: 4px solid var(--accent-color);
}

.mvv-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(10, 59, 92, 0.15);
}

.mvv-card .icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.mvv-card h3 {
  color: var(--primary-color);
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.mvv-card p {
  color: var(--text-light);
  line-height: 1.8;
  font-size: 1rem;
}

/* Seção Sobre */
.about {
  background: var(--light-bg);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h3 {
  color: var(--primary-color);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-features {
  list-style: none;
  margin-top: 2rem;
}

.about-features li {
  padding: 0.8rem 0;
  padding-left: 2rem;
  position: relative;
  color: var(--text-dark);
  font-weight: 500;
}

.about-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

/* Contato */
#contato {
  background: var(--white);
}

.contact-intro {
  text-align: center;
  color: var(--text-light);
  max-width: 680px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.contact-links {
  max-width: 760px;
  margin: 2rem auto 0;
  display: grid;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--text-dark);
  background: var(--light-bg);
  padding: 1rem 1.2rem;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(10, 59, 92, 0.1);
  border: 2px solid transparent;
  transition: all 0.25s ease;
}

.contact-link:hover {
  transform: translateY(-2px);
  border-color: var(--accent-color);
  box-shadow: 0 8px 25px rgba(10, 59, 92, 0.16);
}

.contact-link-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.contact-link-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--white);
}

.contact-link.linkedin .contact-link-icon {
  background: #0a66c2;
}

.contact-link.whatsapp .contact-link-icon {
  background: #25D366;
}

.contact-link.instagram .contact-link-icon {
  background: linear-gradient(135deg, #f58529 0%, #dd2a7b 55%, #8134af 100%);
}

.contact-link-text {
  display: flex;
  flex-direction: column;
}

.contact-link-text strong {
  color: var(--primary-color);
  font-size: 1.05rem;
}

.contact-link-text small {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Seção Sobre Sarah Interpreter */
.about-sarah {
  background: var(--white);
}

.about-sarah-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}

.about-sarah-content p {
  color: var(--text-light);
  font-size: 1.1rem;
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.about-sarah-content strong {
  color: var(--primary-color);
  font-weight: 600;
}

/* Seção de Depoimentos */
.testimonials {
  background: var(--light-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(10, 59, 92, 0.1);
  position: relative;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(10, 59, 92, 0.2);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 6rem;
  color: var(--accent-color);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  color: var(--text-light);
  font-style: italic;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-top: 2px solid var(--light-bg);
  padding-top: 1.5rem;
}

.testimonial-author-info h4 {
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.testimonial-author-info p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.rating {
  color: #ffd700;
  font-size: 1.2rem;
  margin-top: 1rem;
}

/* Seção de Portfólio */
.portfolio {
  background: var(--white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.portfolio-item {
  background: var(--light-bg);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.portfolio-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(10, 59, 92, 0.2);
  border-color: var(--accent-color);
}

.portfolio-item-header {
  background: var(--gradient);
  color: var(--white);
  padding: 1.5rem;
  text-align: center;
}

.portfolio-item-header h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.portfolio-item-header .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.portfolio-item-content {
  padding: 1.5rem;
}

.portfolio-item-content p {
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.portfolio-tag {
  background: var(--accent-color);
  color: var(--white);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* Botão Flutuante WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: var(--whatsapp-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 35px;
  height: 35px;
  fill: white;
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--whatsapp-green);
  animation: pulse 2s infinite;
  z-index: -1;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.5;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Rodapé */
footer {
  background: var(--primary-color);
  color: var(--white);
  text-align: center;
  padding: 2.5rem 2rem;
}

footer p {
  opacity: 0.9;
  font-size: 0.95rem;
}

/* Responsividade */
@media (max-width: 768px) {
  header {
    flex-wrap: wrap;
    padding: 1rem;
  }

  header .logo-container {
    width: 100%;
    justify-content: space-between;
  }

  .menu-toggle {
    display: flex;
  }

  header nav {
    width: 100%;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  header nav.active {
    max-height: 300px;
    margin-top: 1rem;
  }

  header nav a {
    padding: 0.8rem;
    border-radius: 5px;
    background: var(--light-bg);
    text-align: center;
  }

  .hero {
    padding: 5rem 1.5rem 4rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .hero .language-flags {
    font-size: 2.5rem;
    letter-spacing: 0.5rem;
  }

  .container {
    padding: 3rem 1.5rem;
  }

  .container h2 {
    font-size: 2rem;
  }

  .services {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .mvv-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .contact-link {
    padding: 0.9rem 1rem;
  }

  .contact-link-text small {
    font-size: 0.9rem;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 55px;
    height: 55px;
  }

  .whatsapp-float svg {
    width: 30px;
    height: 30px;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 1.2rem;
  }

  header img {
    height: 40px;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .btn {
    padding: 0.9rem 2rem;
    font-size: 1rem;
  }

  .container h2 {
    font-size: 1.7rem;
  }

  .card {
    padding: 2rem;
  }

  .card h3 {
    font-size: 1.3rem;
  }

  .mvv-card {
    padding: 2rem;
  }

  .mvv-card h3 {
    font-size: 1.4rem;
  }
}