/* ============================================
   STYLE - Layout Edison
   ============================================ */

/* ===== TOP BAR ===== */
.top-bar {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 0;
  font-size: var(--font-size-sm);
}

.top-bar__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.top-bar__text {
  margin: 0;
  font-weight: var(--font-weight-medium);
}

.top-bar__btn {
  background-color: var(--color-white);
  color: var(--color-primary);
  padding: 0.5rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  transition: var(--transition-normal);
}

.top-bar__btn:hover {
  background-color: var(--color-bg-light);
  transform: translateY(-1px);
}

/* ===== HEADER ===== */
.header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 var(--spacing-md);
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.logo__text {
  font-size: 1.5rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
}

.logo__subtext {
  font-size: 0.75rem;
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  text-transform: lowercase;
  margin-top: -2px;
}

.nav__menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav__link {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  transition: var(--transition-normal);
  position: relative;
}

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

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
}

.nav__toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-text-primary);
  transition: var(--transition-normal);
  border-radius: 2px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-weight: var(--font-weight-semibold);
  text-align: center;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-normal);
  text-decoration: none;
  font-size: var(--font-size-base);
  border: none;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.btn--primary:hover {
  background-color: #4338CA;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(135deg, #F9FAFB 0%, #E5E7EB 100%);
  padding: 6rem 0 4rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero__content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

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

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-medium);
}

.hero__description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

.hero__cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: var(--spacing-xxl);
  flex-wrap: wrap;
}

.hero__features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: var(--spacing-xxl);
  text-align: left;
}

.hero__feature {
  background-color: var(--color-white);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.hero__feature-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

.hero__feature-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* ===== LEARN SECTION ===== */
.learn-section {
  background-color: var(--color-white);
}

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

.learn-text {
  max-width: 600px;
}

.learn-text .section__title {
  text-align: left;
  margin-bottom: var(--spacing-md);
}

.learn-text .section__description {
  margin-bottom: var(--spacing-xl);
}

.learn-image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.learn-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== HOW IT WORKS SECTION ===== */
.how-it-works {
  background-color: var(--color-bg-light);
}

.how-it-works__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: var(--spacing-xl);
}

.how-it-works__item {
  background-color: var(--color-white);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.how-it-works__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

.how-it-works__text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* ===== TESTIMONIAL SECTION ===== */
.testimonial-section {
  background-color: var(--color-white);
}

.testimonial {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--color-bg-light);
  padding: 3rem;
  border-radius: var(--border-radius-xl);
}

.testimonial__image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.testimonial__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial__name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.testimonial__text {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  font-style: italic;
  margin: 0;
}

/* ===== COURSES SECTION ===== */
.courses-section {
  background-color: var(--color-white);
}

.courses-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: var(--spacing-xl);
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  background-color: var(--color-white);
  border: 2px solid var(--color-bg-gray);
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition-normal);
  font-size: var(--font-size-sm);
  text-transform: lowercase;
}

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

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: var(--spacing-xl);
}

.course-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-bg-gray);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  transition: var(--transition-normal);
}

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

.course-card__header {
  margin-bottom: 1.5rem;
}

.course-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.course-card__instructor {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0.25rem;
}

.course-card__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.course-card__price {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-bg-gray);
}

.price-full {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.price-month {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.course-card__features {
  margin-bottom: 1.5rem;
}

.course-card__features li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
  line-height: var(--line-height-relaxed);
}

.course-card__features li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.course-card__btn {
  display: block;
  width: 100%;
  padding: 1rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-semibold);
  transition: var(--transition-normal);
  text-transform: lowercase;
}

.course-card__btn:hover {
  background-color: #4338CA;
  transform: translateY(-2px);
}

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

/* ===== PRICING CTA SECTION ===== */
.pricing-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
}

.pricing-cta__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-cta__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-white);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-tight);
}

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

.pricing-cta .btn--primary:hover {
  background-color: var(--color-bg-light);
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 4rem 0 2rem;
}

.footer__content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__logo .logo__text {
  color: var(--color-white);
}

.footer__logo .logo__subtext {
  color: rgba(255, 255, 255, 0.7);
}

.footer__text {
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--line-height-relaxed);
  margin-bottom: 1.5rem;
}

.footer__contact {
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--line-height-relaxed);
}

.footer__contact a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-normal);
}

.footer__contact a:hover {
  color: var(--color-white);
}

.footer__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__links li {
  margin-bottom: 0.75rem;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  transition: var(--transition-normal);
}

.footer__links a:hover {
  color: var(--color-white);
  padding-left: 0.5rem;
}

.footer__instagram {
  margin-top: 0.5rem;
}

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.instagram-item {
  aspect-ratio: 1;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  transition: var(--transition-normal);
}

.instagram-item:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.footer__bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 1024px) {
  .hero__features,
  .how-it-works__list,
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

@media (max-width: 768px) {
  .top-bar__content {
    justify-content: center;
    text-align: center;
  }

  .nav__menu {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 80%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-white);
    flex-direction: column;
    padding: 2rem;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition-normal);
    z-index: 1000;
    gap: 0;
    align-items: flex-start;
  }

  .nav__menu.active {
    right: 0;
  }

  .nav__item {
    width: 100%;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-bg-gray);
  }

  .nav__toggle {
    display: flex;
  }

  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero {
    padding: 4rem 0 3rem;
    min-height: auto;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .hero__cta {
    flex-direction: column;
  }

  .hero__cta .btn {
    width: 100%;
  }

  .hero__features,
  .how-it-works__list,
  .courses-grid {
    grid-template-columns: 1fr;
  }

  .testimonial {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2rem;
  }

  .testimonial__image {
    margin: 0 auto;
  }

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

@media (max-width: 480px) {
  .hero__title {
    font-size: 2rem;
  }

  .section__title {
    font-size: 2rem;
  }

  .pricing-cta__title {
    font-size: 1.75rem;
  }
}