:root {
  --eco-bg: #1f2427;
  --eco-text: #e5e7eb;
  --eco-muted: #a3a7ad;
  --eco-card: #252a2d;
  --eco-sep: #52575c55;
  --eco-accent: #ffb300;
  --eco-white: #ffffff;
}

/* shared sections */
.eco-section {
  color: var(--eco-text);
  padding: 24px;
  border-radius: 12px;
}

.eco-section__title {
  margin: 0;
  color: var(--eco-white);
  font-size: 1.8rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* programme */
.eco-programa__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
  --eco-programa-hour-width: 84px;
}

.eco-programa__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.eco-programa__hora {
  flex-shrink: 0;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--eco-accent);
  min-width: var(--eco-programa-hour-width);
}

.eco-programa__titulo {
  margin: 0;
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--eco-white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.eco-programa__descricao {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--eco-text);
}

.eco-programa__descricao strong {
  color: var(--eco-white);
}

.eco-sep {
  height: 1px;
  background: linear-gradient(to right, var(--eco-sep), var(--eco-sep));
  margin: 12px 0;
}

/* grids */
.eco-grid {
  display: grid;
  gap: 20px;
}

.eco-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.eco-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.eco-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.eco-grid.cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.eco-grid.cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

/* cards (speakers) */
.eco-card {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid #30363a;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.eco-card__media img {
  width: 100%;
  height: auto;
  display: block;
}

.eco-card__body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.eco-card__title {
  text-align: center;
  margin: 0;
  color: var(--eco-white);
  font-size: 1.2rem;
}

.eco-card__meta {
  text-align: center;
  color: var(--eco-muted);
  font-size: 0.85rem;
}

.eco-card__text {
  color: var(--eco-text);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* logos (sponsors) */
.eco-sponsor {
  border: 1px solid #30363a;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  height: 100%;
  min-height: 160px;
}

.eco-logo {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed #3a4044;
  border-radius: 12px;
  padding: 16px;
  text-decoration: none;
  color: inherit;
}

.eco-logo img {
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.eco-logo span {
  color: var(--eco-white);
  font-weight: 600;
  text-align: center;
}

.eco-logo:focus-visible {
  outline: 2px solid var(--eco-accent);
  outline-offset: 4px;
}

@media (max-width: 720px) {
  .eco-programa__item {
    --eco-programa-hour-width: 0px;
    flex-direction: column;
  }
  .eco-programa__hora {
    min-width: 0;
  }

  .eco-grid.cols-3,
  .eco-grid.cols-4,
  .eco-grid.cols-5,
  .eco-grid.cols-6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .eco-grid.cols-2,
  .eco-grid.cols-3,
  .eco-grid.cols-4,
  .eco-grid.cols-5,
  .eco-grid.cols-6 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
}