/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - 220px);
  min-height: calc(100dvh - 220px);
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  padding-bottom: 3rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(3, 17, 104, 0.92) 0%, rgba(3, 17, 104, 0.75) 50%, rgba(2, 13, 74, 0.88) 100%),
    url('https://images.unsplash.com/photo-1473341304170-971dccb5ac1e?w=1920&q=80') center/cover no-repeat;
  z-index: 0;
}

.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(242, 101, 34, 0.15);
  border: 1px solid rgba(242, 101, 34, 0.3);
  border-radius: 100px;
  color: var(--color-accent-light);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero__title {
  color: var(--color-white);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero__title span {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 640px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: bounce 2s infinite;
  pointer-events: none;
}

@media (max-height: 700px) {
  .hero__scroll { display: none; }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* About */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

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

.about__badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--color-accent);
  color: white;
  padding: 1.5rem 2rem;
  border-radius: var(--radius-lg);
  font-weight: 800;
  font-size: 1.5rem;
  box-shadow: var(--shadow-xl);
}

.about__badge small {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.9;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.about__feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
}

.about__feature-icon {
  color: var(--color-accent);
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Products grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  transition: all var(--transition);
}

.product-card--link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.product-card:hover,
.product-card--link:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.product-card__cta {
  display: inline-flex;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
}

.product-card__visual {
  height: 180px;
  background: linear-gradient(160deg, var(--color-primary-dark), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-card__visual::after {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  border: 2px solid rgba(242, 101, 34, 0.3);
  border-radius: 50%;
}

.product-card__icon {
  font-size: 2.5rem;
  color: rgba(255, 255, 255, 0.9);
  z-index: 1;
}

.product-card__body {
  padding: 1.5rem;
}

.product-card__tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.product-card__title {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.product-card__desc {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.product-card__benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.product-card__benefit {
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  background: var(--color-gray-100);
  border-radius: 100px;
  color: var(--color-gray-600);
}

/* Services */
.services-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.services-tab {
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--color-gray-300);
  border-radius: 100px;
  background: var(--color-white);
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--transition);
}

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

.services-panel {
  display: none;
}

.services-panel--active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.services-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.services-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition);
}

.services-list__item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.services-list__icon {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Advantages */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.advantage-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.advantage-card--link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.advantage-card:hover,
.advantage-card--link:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.advantage-card__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  border-radius: 50%;
  font-size: 1.75rem;
  color: white;
}

.advantage-card__title {
  color: white;
  margin-bottom: 0.75rem;
}

.advantage-card__text {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.925rem;
}

/* Knowledge / Resources */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.resource-card {
  padding: 2rem 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
}

.resource-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.resource-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.resource-card__title {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.resource-card__desc {
  font-size: 0.8rem;
  color: var(--color-gray-500);
}

/* Articles */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.article-card {
  display: flex;
  gap: 1.5rem;
  padding: 1.75rem;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.article-card--link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.article-card:hover,
.article-card--link:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.article-card__number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.85rem;
}

.article-card__title {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.article-card__excerpt {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: 0.75rem;
}

/* Conceitos educativos */
.concept-intro {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.concept-card {
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  height: 100%;
}

.concept-card--linear {
  border-top: 4px solid var(--color-success);
}

.concept-card--nonlinear {
  border-top: 4px solid var(--color-accent);
}

.concept-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}

.concept-card--linear .concept-card__tag {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
}

.concept-card--nonlinear .concept-card__tag {
  background: rgba(242, 101, 34, 0.12);
  color: var(--color-accent);
}

.concept-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.65rem;
}

.concept-card p {
  font-size: 0.9rem;
  color: var(--color-gray-600);
  margin: 0 0 1rem;
  line-height: 1.6;
}

.concept-card__examples {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.concept-card__examples li {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: 100px;
  color: var(--color-gray-700);
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.concept-term {
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.5rem;
}

.concept-term__abbr {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.concept-term__full {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.65rem;
}

.concept-term p {
  font-size: 0.85rem;
  color: var(--color-gray-600);
  margin: 0;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .concept-intro,
  .concept-grid {
    grid-template-columns: 1fr;
  }
}

/* Clients */
.clients-marquee {
  overflow: hidden;
  padding: 2rem 0;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.clients-track {
  display: flex;
  gap: 3rem;
  animation: marquee 40s linear infinite;
  width: max-content;
}

.clients-track img {
  height: 76px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: all var(--transition);
}

.clients-track img:hover {
  filter: grayscale(0%);
  opacity: 1;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info__item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.contact-form-wrapper {
  background: var(--color-white);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.contact-form-wrapper h3 {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  border-radius: var(--radius-xl);
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  color: white;
}

.cta-banner h3 {
  color: white;
  font-size: 1.75rem;
}

.cta-banner p {
  opacity: 0.9;
  margin-top: 0.5rem;
}

.cta-banner .btn--outline {
  border-color: white;
  flex-shrink: 0;
}

.cta-banner .btn--outline:hover {
  background: white;
  color: var(--color-accent);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-gray-200);
}

.timeline__item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  transform: translateX(-5px);
}

.timeline__year {
  font-weight: 800;
  color: var(--color-primary);
  font-size: 1.1rem;
}

.timeline__text {
  font-size: 0.925rem;
  color: var(--color-gray-500);
  margin-top: 0.25rem;
}

@media (max-width: 1024px) {
  .about__grid,
  .services-detail,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 640px) {
  .products-grid,
  .advantages-grid,
  .articles-grid,
  .resources-grid {
    grid-template-columns: 1fr;
  }

  .about__features,
  .form-row {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
  }

  .about__badge {
    right: 1rem;
    bottom: -1rem;
  }
}