/* Цветовая палитра: белый, каменный, серо-зелёный, графит */
:root {
  --color-stone: #78716c;
  --color-stone-light: #a8a29e;
  --color-gray-green: #5f6b5f;
  --color-gray-green-light: #7d8b7d;
  --color-graphite: #374151;
  --color-graphite-light: #4b5563;
}

/* Анимации */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out forwards;
}

.delay-100 { animation-delay: 0.1s; opacity: 0; }
.delay-200 { animation-delay: 0.2s; opacity: 0; }
.delay-300 { animation-delay: 0.3s; opacity: 0; }
.delay-400 { animation-delay: 0.4s; opacity: 0; }
.delay-500 { animation-delay: 0.5s; opacity: 0; }

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.stat-number { transition: transform 0.3s ease; }
.stat-number:hover { transform: scale(1.1); }

.team-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.team-card:hover {
  transform: translateY(-5px);
}

.testimonial-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.testimonial-card:hover {
  transform: translateY(-3px);
}

.burger-menu {
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.burger-menu.active {
  transform: translateX(0);
  opacity: 1;
}

header nav .burger-button .burger-icon {
  transition: transform 0.3s ease, opacity 0.3s ease;
}
header nav .burger-button.active .burger-icon:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
header nav .burger-button.active .burger-icon:nth-child(2) {
  opacity: 0;
}
header nav .burger-button.active .burger-icon:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.btn-primary { transition: all 0.3s ease; }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(95, 107, 95, 0.3);
}

.cookie-banner { animation: slideInUp 0.5s ease-out; }
@keyframes slideInUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
}
.faq-answer.faq-answer-open { max-height: 800px; }
.faq-question { cursor: pointer; user-select: none; }
.faq-question:hover { color: var(--color-gray-green); }

.form-success-notification { animation: fadeSlideIn 0.4s ease-out; }
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}