/* 06 — Pilares do Método IR (Design System /student com identidade Dark & Neon) */
.pilares {
  position: relative;
  overflow: hidden;
  padding-top: 48px;
  border-bottom: 1px solid var(--backdropb);
}

.pilares::before {
  content: '';
  position: absolute;
  top: 10%;
  left: 20%;
  width: 650px;
  height: 400px;
  background: radial-gradient(circle, rgba(112, 224, 0, 0.04) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.pilares .wrap {
  position: relative;
  z-index: 1;
  padding: 0 20px;
}

/* Cabeçalho da Sessão */
.pilares__intro {
  text-align: center;
  max-width: 840px;
  margin: 0 auto;
}

.pilares__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 16px;
  border-radius: var(--radiusr);
  background: var(--primarys);
  border: 1px solid var(--primaryh);
  color: var(--primaryp);
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 14px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.pilares__title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(2rem, 3.6vw, 2.7rem);
  font-weight: 800;
  color: var(--colora);
  line-height: 1.18;
  margin: 0 0 10px;
  letter-spacing: -0.5px;
}

.pilares__title strong {
  color: var(--primaryp);
  font-weight: 800;
}

.pilares__subtitle {
  font-size: 1.05rem;
  color: var(--colorc);
  line-height: 1.5;
  margin: 0;
}

/* Linha Principal (.wd) */
.pilares__row {
  align-items: center;
  row-gap: 24px;
}

/* Coluna de Conteúdo (.wd7) */
.pilares__content {
  padding: 28px 0;
  z-index: 9;
}

.pilares__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Item Pilar Individual */
.pilar {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radiuse);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--backdropb);
  box-sizing: border-box;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.pilar:hover {
  background: rgba(112, 224, 0, 0.05);
  border-color: var(--primaryh);
  transform: translateX(4px);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.35);
}

.pilar__num {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primaryp);
  background: var(--basea);
  border: 1px solid var(--primaryh);
  width: 42px;
  height: 42px;
  border-radius: var(--radiusm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px var(--primaryh));
  margin-top: 2px;
}

.pilar__info {
  flex-grow: 1;
}

.pilar__title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.25;
  margin: 0 0 4px 0;
  letter-spacing: 0.2px;
}

.pilar__desc {
  font-size: 0.94rem;
  color: var(--colorc);
  line-height: 1.45;
  margin: 0;
}

/* Coluna de Foto do Professor (.wd5) */
.pilares__author-col {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  z-index: 2;
}

.pilares__ambient-glow {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 80%;
  background: radial-gradient(circle at 50% 60%, rgba(112, 224, 0, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.pilares__photo {
  position: relative;
  z-index: 1;
  width: calc(100% + 100px);
  margin-left: -50px;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  line-height: 0;
}

.pilares__photo img {
  width: 100%;
  height: auto;
  max-height: 880px;
  display: block;
  object-fit: cover;
  vertical-align: bottom;
  filter: drop-shadow(0 15px 35px var(--secondaryh));
  opacity: .7;
}

/* Responsividade */
@media (max-width: 960px) {
  .pilares__content {
    flex: 0 0 100%;
    max-width: 100%;
    padding-bottom: 24px;
  }

  .pilares__author-col {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .pilares__photo {
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .pilares {
    padding-top: 40px;
  }

  .pilar {
    padding: 14px 16px;
    gap: 12px;
  }

  .pilar__num {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }

  .pilar__title {
    font-size: 1.1rem;
  }

  .pilar__desc {
    font-size: 0.88rem;
  }
}