/* ===== SEGMENTOS EDUCACIONAIS ===== */

.seg-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---- Barra de segmentos (sticky: abaixo do hero, fixa abaixo da navbar ao rolar) ---- */
.seg-bar {
  position: sticky;
  top: var(--seg-nav-h, 72px);
  z-index: 999;
  background: #ffffff;
  border-bottom: 1px solid var(--color-gray-light);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.seg-bar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.seg-bar-container::-webkit-scrollbar { display: none; }

.seg-tab {
  flex-shrink: 0;
  padding: 14px 20px;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  color: #6b7280;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.seg-tab:hover {
  color: var(--color-secondary);
  background: rgba(242,123,19,0.06);
}
.seg-tab--active {
  color: var(--color-secondary);
  border-bottom-color: var(--color-secondary);
  background: rgba(242,123,19,0.06);
}

/* Espaçador (apenas navbar) */
.seg-spacer {
  display: block;
  min-height: 72px;
}

/* ---- Painéis ---- */
.seg-panels {
  min-height: 60vh;
}

.seg-panel {
  display: none;
}
.seg-panel--active {
  display: block;
  animation: seg-fade-in 0.4s ease;
}

@keyframes seg-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---- Hero container (todos os segmentos) ---- */
.seg-hero-outer {
  position: relative;
  margin-top: -92px;
  /* altura = área visível + 92px ocultos atrás da navbar */
  height: calc(clamp(280px, 40vh, 420px) + 92px);
  overflow: hidden;
}

/* Heroes empilhados, fade entre si */
.seg-hero {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: clamp(32px, 5vh, 60px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s ease;
}

.seg-hero--active {
  opacity: 1;
  pointer-events: auto;
}

.seg-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--color-primary);
}

/* Hero da Educação Infantil */
.seg-hero-bg--educacao-infantil {
  background-image: url('../images/estrutura/biblioteca-b.png');
}

/* Hero do Ensino Fundamental I */
.seg-hero-bg--fundamental-1 {
  background-image: url('../images/estrutura/sala-maker-a.png');
}

/* Hero do Ensino Fundamental II */
.seg-hero-bg--fundamental-2 {
  background-image: url('../images/estrutura/espaco-digital-b.png');
}

/* Hero do Ensino Médio */
.seg-hero-bg--ensino-medio {
  background-image: url('../images/estrutura/laboratorio-ciencias.png');
}

/* Hero do Período Integral */
.seg-hero-bg--periodo-integral {
  background-image: url('../images/estrutura/cozinha-experimental.png');
}

.seg-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,8,0,0.85) 0%, rgba(180,70,0,0.45) 100%);
}

.seg-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
  max-width: 640px;
}

.seg-hero-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 12px;
}

.seg-hero-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.seg-hero-accent { color: var(--color-secondary); }

.seg-hero-sub {
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  color: rgba(255,255,255,0.88);
  line-height: 1.6;
}

/* ===== EDUCAÇÃO INFANTIL - Conteúdo ===== */

/* Intro com imagem */
.seg-ei-intro {
  padding: 64px 0 56px;
  background: #ffffff;
}

.seg-ei-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.seg-ei-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 12px;
  padding-left: 18px;
  position: relative;
}
.seg-ei-eyebrow::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 10px; height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
}

.seg-ei-intro-title {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.seg-ei-accent { color: var(--color-primary); }

.seg-ei-lead {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 16px;
}

.seg-ei-intro-text p {
  font-size: 0.98rem;
  color: #6b7280;
  line-height: 1.8;
  margin-bottom: 14px;
}

.seg-ei-img-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--color-gray-lighter);
  box-shadow: 0 20px 50px rgba(242,123,19,0.08);
}

.seg-ei-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.seg-ei-img-placeholder {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #9ca3af;
  background: var(--color-gray-lighter);
}
.seg-ei-img-placeholder svg {
  width: 48px; height: 48px;
  opacity: 0.5;
}
.seg-ei-img-placeholder span {
  font-size: 0.85rem;
  font-weight: 500;
}

.seg-integral-galeria {
  padding: 0 0 56px;
  background: #ffffff;
}

.seg-integral-galeria-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.seg-integral-foto {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.seg-integral-foto img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* Pilares */
.seg-ei-pilares {
  padding: 56px 0;
  background: var(--color-gray-lighter);
}

.seg-ei-pilares-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.seg-ei-pilar-wrap {
  perspective: 1000px;
}

.seg-ei-pilar {
  position: relative;
  width: 100%;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.seg-ei-pilar.seg-ei-pilar--flipped {
  transform: rotateY(180deg);
}

/* Frente: posição relativa — define a altura do card */
.seg-ei-pilar-front {
  position: relative;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--color-gray-light);
  background: #ffffff;
  padding: 36px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: box-shadow 0.3s ease;
}
.seg-ei-pilar-wrap:hover .seg-ei-pilar-front {
  box-shadow: 0 12px 32px rgba(242,123,19,0.14);
}

/* Verso: absoluto sobre a frente */
.seg-ei-pilar-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--color-gray-light);
  transform: rotateY(180deg);
  background: var(--color-gray-lighter);
}

.seg-ei-pilar-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  min-height: 56px;
  flex-shrink: 0;
  margin-bottom: 20px;
  border-radius: 16px;
  background: rgba(242,123,19,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}
.seg-ei-pilar-icon svg {
  width: 26px; height: 26px;
  color: var(--color-secondary);
}
.seg-ei-pilar-wrap:hover .seg-ei-pilar-icon {
  background: var(--color-secondary);
}
.seg-ei-pilar-wrap:hover .seg-ei-pilar-icon svg {
  color: #ffffff;
}

.seg-ei-pilar h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.seg-ei-pilar p {
  font-size: 0.9rem;
  color: #6b7280;
  line-height: 1.65;
  margin: 0 0 12px;
}

.seg-ei-pilar-hint {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  opacity: 0.8;
  margin-top: auto;
}

.seg-ei-pilar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.seg-ei-pilar-placeholder {
  position: absolute;
  inset: 0;
  display: none; /* exibido via JS quando img falha */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #9ca3af;
  background: var(--color-gray-lighter);
}
.seg-ei-pilar-placeholder svg {
  width: 40px; height: 40px;
  opacity: 0.5;
}
.seg-ei-pilar-placeholder span {
  font-size: 0.8rem;
  font-weight: 500;
}

/* Metodologia */
.seg-ei-metodologia {
  padding: 56px 0;
  background: #ffffff;
}

.seg-ei-section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.seg-ei-section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.seg-ei-section-sub {
  font-size: 1rem;
  color: #6b7280;
  line-height: 1.6;
}

.seg-ei-projetos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.seg-ei-projeto {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 22px;
  background: var(--color-gray-lighter);
  border-radius: 14px;
  border: 1px solid var(--color-gray-light);
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.seg-ei-projeto:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 8px 24px rgba(242,123,19,0.08);
}

.seg-ei-projeto-tag {
  flex-shrink: 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  background: rgba(242,123,19,0.12);
  padding: 4px 10px;
  border-radius: 100px;
}

/* Abordagens */
.seg-ei-abordagens {
  padding: 56px 0 72px;
  background: var(--color-gray-lighter);
}

.seg-ei-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 20px;
}

.seg-ei-tag {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-secondary);
  background: rgba(242,123,19,0.1);
  padding: 10px 18px;
  border-radius: 100px;
  transition: background 0.25s ease, color 0.25s ease;
}
.seg-ei-tag:hover {
  background: var(--color-secondary);
  color: #ffffff;
}

.seg-ei-abordagens-note {
  text-align: center;
  font-size: 0.9rem;
  color: #6b7280;
  font-style: italic;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ===== HERO INTERNO (demais segmentos) ===== */
.seg-panel-hero {
  position: relative;
  height: clamp(240px, 35vh, 380px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.seg-panel-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--color-primary);
}

.seg-panel-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,8,0,0.82) 0%, rgba(180,70,0,0.42) 100%);
}

.seg-panel-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
  max-width: 640px;
}

/* ===== ENSINO FUNDAMENTAL I - Projetos ===== */
.seg-ef1-projetos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.seg-ef1-projeto {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px 24px;
  background: var(--color-gray-lighter);
  border-radius: 16px;
  border: 1px solid var(--color-gray-light);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.seg-ef1-projeto:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 8px 24px rgba(242,123,19,0.1);
  transform: translateY(-2px);
}

.seg-ef1-projeto-num {
  flex-shrink: 0;
  font-size: 1.8rem;
  font-weight: 800;
  color: rgba(242,123,19,0.18);
  line-height: 1;
  letter-spacing: -0.04em;
  min-width: 36px;
}

.seg-ef1-projeto-body h3 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.seg-ef1-projeto-body p {
  font-size: 0.87rem;
  color: #6b7280;
  line-height: 1.65;
  margin: 0;
}

@media (max-width: 640px) {
  .seg-ef1-projetos-grid { grid-template-columns: 1fr; }
}

/* Responsivo EI */
@media (max-width: 900px) {
  .seg-ei-intro-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .seg-ei-intro-img { order: -1; }
  .seg-ei-img-wrapper { aspect-ratio: 16 / 10; max-width: 480px; margin: 0 auto; }
  .seg-integral-galeria-grid { grid-template-columns: 1fr; }
  .seg-ei-pilares-grid { grid-template-columns: 1fr; }
  .seg-ei-projetos-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .seg-ei-intro { padding: 40px 0 40px; }
  .seg-ei-pilares, .seg-ei-metodologia, .seg-ei-abordagens { padding: 40px 0; }
  .seg-ei-pilar-front { padding: 24px 18px; }
}

/* ---- Reveal ---- */
.seg-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.22,1,0.36,1),
              transform 0.6s cubic-bezier(0.22,1,0.36,1);
  transition-delay: var(--delay, 0s);
}
.seg-reveal--right { transform: translateX(28px); }
.seg-reveal.seg-visible {
  opacity: 1;
  transform: translate(0);
}

/* ---- Placeholder vazio ---- */
.seg-empty {
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
}
.seg-empty p {
  font-size: 1rem;
  color: #9ca3af;
  font-weight: 500;
}

/* ---- Responsivo ---- */
@media (max-width: 768px) {
  .seg-bar-container { padding: 0 16px; gap: 0; }
  .seg-tab { padding: 12px 14px; font-size: 0.85rem; }
  .seg-container { padding: 0 20px; }
  .seg-intro { padding: 48px 0 36px; }
  .seg-block { padding: 32px 0; }
}