/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: background-color var(--transition-medium), box-shadow var(--transition-medium);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.nav__logo i {
  font-size: 2.2rem;
  color: var(--primary-color);
}

.nav__list {
  display: flex;
  list-style: none;
  gap: 35px; /* Pode ser ajustado se necessário mais espaço */
}

.nav__link {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 5px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-medium);
}

.nav__link:hover,
.nav__link.active {
  color: var(--primary-color);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 10px; /* Reduzido para acomodar melhor os botões */
}

.nav__toggle,
.nav__close {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text-dark);
  background: none;
  border: none;
}

/* Hero Section */
.hero {
  padding: 140px 0 100px;
  background: var(--light-gray-bg);
  position: relative;
  overflow: hidden;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__content {
  animation: fadeInLeft 0.8s ease-out;
}

.hero__title {
  font-size: clamp(2rem, 4vw, 2.8rem); 
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-light);
  margin-bottom: 35px;
  max-width: 500px;
}

.hero__image-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 0.8s ease-out;
}

.hero__notebook-img {
  max-width: 580px; 
  width: 100%;
  height: auto;
  border-radius: 16px; 
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1); 
}

/* Sections General */
section {
  padding: 80px 0;
}

.section__header {
  text-align: center;
  margin-bottom: 60px;
}

.section__header .section__title {
  margin-bottom: 15px;
}

.section__header .section__subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

/* Presentation Section */
.presentation {
  background-color: var(--white);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

/* Resources Section */
.resources {
  background-color: var(--light-gray-bg);
}

.resources__grid {
  display: grid;
  gap: 30px;
  max-width: 900px;
  margin: 0 auto;
}

/* Plans Section */
.plans {
  background-color: var(--white);
}

.plans__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  align-items: stretch; 
}

/* Testimonials Section */
.testimonials {
  background-color: var(--light-gray-bg);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

/* FAQ Section */
.faq {
  background-color: var(--white);
}

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

/* Final CTA Section */
.final-cta {
  background-color: var(--light-gray-bg);
  padding: 80px 0;
  text-align: center;
}

.final-cta__content {
  max-width: 600px;
  margin: 0 auto;
  padding: 40px;
  background-color: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-medium);
}

.final-cta__title {
  margin-bottom: 30px;
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: var(--white);
  padding: 70px 0 30px;
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 50px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--white);
}

.footer__logo i {
  font-size: 2.2rem;
  color: var(--primary-color);
}

.footer__description {
  color: #BDC3C7; 
  margin-bottom: 25px;
  font-size: 0.95rem;
}

.footer__social {
  display: flex;
  gap: 15px;
}

.footer__title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 25px;
  display: block;
  color: var(--white);
}

.footer__links li {
  margin-bottom: 12px;
}

.footer__links a,
.footer__contact-list a {
  color: #BDC3C7;
  transition: color var(--transition-fast);
}

.footer__links a:hover,
.footer__contact-list a:hover {
  color: var(--primary-light);
  text-decoration: none;
}

.footer__contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.footer__contact-list i {
  color: var(--primary-color);
  width: 20px;
  font-size: 1.1rem;
}

.footer__bottom {
  border-top: 1px solid #4A5568; 
  padding-top: 30px;
  text-align: center;
  color: #A0AEC0; 
  font-size: 0.9rem;
}