/* ======================================================== */
/* 9_partners: СТИЛИ СЕКЦИИ «НАШИ ПАРТНЁРЫ» (СВЕТЛЫЙ ФОН)   */
/* ======================================================== */

:root {
  --ecoproject-part-green: #419b52;
  --ecoproject-part-green-hover: #358343;
  --ecoproject-part-dark: #0f172a;
  --ecoproject-part-light-bg: #f8fafc;
  --ecoproject-part-card-bg: #ffffff;
  --ecoproject-part-white: #ffffff;
  --ecoproject-part-gray: #475569;
  --ecoproject-part-text-gray: #64748b;
  --ecoproject-part-border: #e2e8f0;
  --ecoproject-part-border-hover: rgba(65, 155, 82, 0.4);
  --ecoproject-part-transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  --ecoproject-part-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.ecoproject-partners-section {
  position: relative;
  width: 100%;
  padding: 100px 24px;
  background-color: var(--ecoproject-part-light-bg);
  overflow: hidden;
  box-sizing: border-box;
}

.ecoproject-partners-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  position: relative;
  z-index: 1;
}

/* ЗАГОЛОВОК */
.ecoproject-partners-header {
  max-width: 680px;
  margin-bottom: 56px;
  text-align: left;
}

.ecoproject-partners-label {
  font-family: var(--ecoproject-part-font);
  font-size: 12px;
  font-weight: 800;
  color: var(--ecoproject-part-green);
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 12px;
}

.ecoproject-partners-title {
  font-family: var(--ecoproject-part-font);
  font-size: 38px;
  font-weight: 900;
  color: var(--ecoproject-part-dark);
  text-transform: uppercase;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin: 0 0 16px 0;
}

.ecoproject-partners-subtitle {
  font-family: var(--ecoproject-part-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ecoproject-part-gray);
  margin: 0;
}

/* СЕТКА ПАРТНЁРОВ */
.ecoproject-partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  width: 100%;
  margin-bottom: 56px;
}

/* КАРТОЧКА ПАРТНЁРА */
.ecoproject-partners-card {
  position: relative;
  border: 1px solid var(--ecoproject-part-border);
  border-radius: 16px;
  background: var(--ecoproject-part-card-bg);
  overflow: hidden;
  cursor: pointer;
  box-sizing: border-box;
  transition: var(--ecoproject-part-transition);
  aspect-ratio: 3 / 2;
  outline: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.ecoproject-partners-card-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse at 50% 50%, rgba(65, 155, 82, 0.08) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  z-index: 1;
}

.ecoproject-partners-card-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 24px;
  box-sizing: border-box;
  z-index: 2;
}

.ecoproject-partners-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-width: 180px;
  max-height: 80px;
  filter: grayscale(100%) opacity(0.65);
  transition: filter 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.45s ease;
}

.ecoproject-partners-card:hover .ecoproject-partners-logo,
.ecoproject-partners-card:focus-visible .ecoproject-partners-logo {
  filter: grayscale(0%) opacity(1);
  transform: scale(1.06);
}

.ecoproject-partners-card:hover,
.ecoproject-partners-card:focus-visible {
  border-color: var(--ecoproject-part-border-hover);
  box-shadow: 0 8px 24px rgba(65, 155, 82, 0.12);
  transform: translateY(-4px);
}

.ecoproject-partners-card:hover .ecoproject-partners-card-glow,
.ecoproject-partners-card:focus-visible .ecoproject-partners-card-glow {
  opacity: 1;
}

/* CTA-ПОЛОСКА ВНИЗУ */
.ecoproject-partners-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 36px;
  background: var(--ecoproject-part-card-bg);
  border: 1px solid var(--ecoproject-part-border);
  border-radius: 16px;
  box-sizing: border-box;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.ecoproject-partners-cta-text {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ecoproject-partners-cta-num {
  font-family: var(--ecoproject-part-font);
  font-size: 48px;
  font-weight: 900;
  color: var(--ecoproject-part-green);
  line-height: 1;
  letter-spacing: -2px;
}

.ecoproject-partners-cta-label {
  font-family: var(--ecoproject-part-font);
  font-size: 15px;
  font-weight: 600;
  color: var(--ecoproject-part-gray);
  line-height: 1.4;
  max-width: 200px;
}

.ecoproject-partners-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #419b52 0%, #358343 100%);
  color: #ffffff;
  border: none;
  padding: 14px 28px;
  border-radius: 10px;
  font-family: var(--ecoproject-part-font);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(65, 155, 82, 0.25);
  transition: var(--ecoproject-part-transition);
  flex-shrink: 0;
}

.ecoproject-partners-btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  color: #ffffff;
}

.ecoproject-partners-btn:hover {
  background: linear-gradient(135deg, #358343 0%, #419b52 100%);
  box-shadow: 0 6px 24px rgba(65, 155, 82, 0.4);
  transform: translateY(-2px);
  color: #ffffff;
}

.ecoproject-partners-btn:hover svg {
  transform: translateX(4px);
}

/* АНИМАЦИЯ ПОЯВЛЕНИЯ */
.ecoproject-partners-animate {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.ecoproject-partners-animate.ecoproject-partners-visible {
  opacity: 1;
  transform: translateY(0);
}

/* АДАПТИВНОСТЬ */
@media (max-width: 1199px) {
  .ecoproject-partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 991px) {
  .ecoproject-partners-section {
    padding: 80px 24px;
  }
  .ecoproject-partners-header {
    margin-bottom: 40px;
  }
  .ecoproject-partners-title {
    font-size: 32px;
  }
  .ecoproject-partners-grid {
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: 40px;
  }
  .ecoproject-partners-cta {
    flex-direction: column;
    text-align: center;
    gap: 20px;
    padding: 24px;
  }
  .ecoproject-partners-cta-text {
    flex-direction: column;
    gap: 8px;
  }
  .ecoproject-partners-cta-label {
    max-width: 100%;
  }
  .ecoproject-partners-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 767px) {
  .ecoproject-partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

@media (max-width: 575px) {
  .ecoproject-partners-section {
    padding: 60px 16px;
  }
  .ecoproject-partners-header {
    margin-bottom: 28px;
  }
  .ecoproject-partners-title {
    font-size: 24px;
  }
  .ecoproject-partners-subtitle {
    font-size: 14px;
  }
  .ecoproject-partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 28px;
  }
  .ecoproject-partners-cta-num {
    font-size: 36px;
  }
  .ecoproject-partners-cta-label {
    font-size: 13px;
  }
}