/* ===== КОМПОНЕНТЫ ЛЕНДИНГА ===== */

/* ===== УСЛУГИ ===== */
.services-section {
  background: rgba(15, 23, 42, 0.6);
  position: relative;
}

.services-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center top, rgba(255, 212, 59, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  position: relative;
  z-index: 2;
}

.service-card {
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 212, 59, 0.05) 0%, rgba(0, 180, 216, 0.05) 100%);
  opacity: 0;
  transition: var(--transition-base);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover {
  transform: translateY(-15px) rotateX(5deg) rotateY(5deg);
  border-color: rgba(255, 212, 59, 0.3);
  box-shadow: 
    var(--shadow-2xl),
    0 0 40px rgba(255, 212, 59, 0.2);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  display: block;
  transform: perspective(100px) rotateX(15deg);
  transition: var(--transition-base);
}

.service-card:hover .service-icon {
  transform: perspective(100px) rotateX(0deg) scale(1.1);
}

.service-title {
  color: var(--color-text);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.service-description {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.service-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
}

.service-features li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

.service-price {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-mono);
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 212, 59, 0.1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 212, 59, 0.2);
}

/* ===== ДЕМО ЛАБОРАТОРИЯ ===== */
.demo-section {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.6) 0%, rgba(30, 41, 59, 0.8) 100%);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.demo-card {
  background: rgba(55, 65, 81, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.demo-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.demo-card:hover::before {
  transform: scaleX(1);
}

.demo-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 212, 59, 0.3);
  box-shadow: var(--shadow-xl);
}

.demo-title {
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

/* Интерактивный чат */
.demo-chat {
  background: rgba(10, 25, 41, 0.8);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  height: 300px;
  display: flex;
  flex-direction: column;
}

.chat-messages {
  flex: 1;
  padding: var(--spacing-lg);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.message {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  animation: messageSlideIn 0.3s ease-out;
}

.message-avatar {
  font-size: var(--text-lg);
  background: rgba(255, 212, 59, 0.2);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-message .message-avatar {
  background: rgba(0, 180, 216, 0.2);
}

.message-content {
  background: rgba(30, 41, 59, 0.8);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  max-width: 80%;
  word-wrap: break-word;
}

.user-message .message-content {
  background: rgba(0, 180, 216, 0.2);
}

.chat-input {
  display: flex;
  padding: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  gap: var(--spacing-md);
}

.chat-input input {
  flex: 1;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  color: var(--color-text);
  font-family: var(--font-primary);
}

.chat-input input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(255, 212, 59, 0.2);
}

.send-btn {
  background: var(--gradient-accent);
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  cursor: pointer;
  font-size: var(--text-lg);
  transition: var(--transition-base);
}

.send-btn:hover {
  transform: scale(1.1);
}

/* Калькулятор стоимости */
.calculator {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.calc-option {
  margin-bottom: var(--spacing-lg);
}

.calc-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
}

.calc-label:hover {
  border-color: rgba(255, 212, 59, 0.3);
  background: rgba(30, 41, 59, 0.8);
}

.calc-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.calc-label input[type="radio"]:checked + .calc-text {
  color: var(--color-accent);
}

.calc-label:has(input[type="radio"]:checked) {
  border-color: var(--color-accent);
  background: rgba(255, 212, 59, 0.1);
}

.calc-text {
  color: var(--color-text);
  font-weight: 500;
  transition: var(--transition-base);
}

.calc-price {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-weight: 600;
}

.calc-result {
  text-align: center;
  padding: var(--spacing-xl);
  background: rgba(10, 25, 41, 0.8);
  border-radius: var(--radius-lg);
  border: 2px solid rgba(255, 212, 59, 0.3);
  margin-top: var(--spacing-lg);
}

.result-text {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.result-price {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-mono);
  margin-bottom: var(--spacing-sm);
}

.result-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

/* ===== ТЕХНОЛОГИИ ===== */
.tech-section {
  background: rgba(10, 25, 41, 0.4);
  position: relative;
  overflow: hidden;
}

.tech-showcase {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-3xl);
  margin: var(--spacing-3xl) 0;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.tech-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: rgba(30, 41, 59, 0.85);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-smooth);
  transform-style: preserve-3d;
  min-width: 140px;
  text-align: center;
  position: relative;
}

/* Убрано: animation-play-state больше не нужен для статичных элементов */

.tech-item:hover {
  border-color: rgba(255, 212, 59, 0.5);
  box-shadow: var(--shadow-glow);
  animation: techBounce 0.6s ease-in-out;
  transform: translateY(-15px) scale(1.08) rotateX(10deg);
}

.tech-python {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xl) var(--spacing-2xl);
  background: var(--gradient-accent);
  color: var(--color-primary);
  font-weight: 700;
  border-radius: var(--radius-xl);
  animation: pythonPulse 3s ease-in-out infinite;
  box-shadow: 0 0 30px rgba(255, 212, 59, 0.4);
  border: 2px solid rgba(255, 212, 59, 0.6);
}

.tech-python .tech-icon {
  font-size: 3rem;
  filter: drop-shadow(0 0 10px rgba(255, 212, 59, 0.6));
}

.tech-python .tech-name {
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--text-lg);
}

/* Статичные элементы технологий с bounce эффектом только на hover */
.tech-bounce-1,
.tech-bounce-2,
.tech-bounce-3,
.tech-bounce-4,
.tech-bounce-5,
.tech-bounce-6 {
  /* Элементы полностью статичны по умолчанию */
  animation: none;
}

/* Bounce анимация применена в основном hover правиле выше */

.tech-icon {
  font-size: 2rem;
  transition: var(--transition-base);
}

.tech-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
  white-space: nowrap;
}

/* ===== ПРОЦЕСС РАБОТЫ ===== */
.process-section {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.6) 100%);
}

.timeline-3d {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-3d::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-accent);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-3xl);
  perspective: 1000px;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 60%;
  text-align: left;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: 60%;
  text-align: right;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 60px;
  height: 60px;
  background: var(--gradient-accent);
  border: 4px solid var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-marker {
  transform: translateX(-50%) scale(1.2);
  box-shadow: var(--shadow-glow);
}

.marker-number {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-mono);
}

.timeline-content {
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  margin-top: var(--spacing-md);
  transition: var(--transition-smooth);
  transform-style: preserve-3d;
  position: relative;
}

.timeline-item:hover .timeline-content {
  transform: translateZ(20px) rotateY(5deg);
  border-color: rgba(255, 212, 59, 0.3);
  box-shadow: var(--shadow-xl);
}

.timeline-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  display: inline-block;
}

.timeline-title {
  color: var(--color-text);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.timeline-description {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.timeline-duration {
  display: inline-block;
  background: rgba(255, 212, 59, 0.1);
  color: var(--color-accent);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-mono);
  border: 1px solid rgba(255, 212, 59, 0.2);
}

/* ===== КОНТАКТЫ ===== */
.contact-section {
  background: rgba(15, 23, 42, 0.8);
  position: relative;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(255, 212, 59, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
  position: relative;
  z-index: 2;
}

.contact-info {
  padding: var(--spacing-2xl) 0;
}

.contact-title {
  color: var(--color-text);
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.contact-subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.6;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

.contact-method:hover {
  background: rgba(30, 41, 59, 0.8);
  border-color: rgba(255, 212, 59, 0.3);
  transform: translateX(5px);
  text-decoration: none;
}

.method-icon {
  font-size: var(--text-2xl);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 212, 59, 0.1);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.method-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.method-value {
  font-size: var(--text-lg);
  color: var(--color-text);
  font-weight: 600;
}

.contact-form-wrapper {
  position: sticky;
  top: 100px;
}

/* ===== ФУТЕР ===== */
.main-footer {
  background: rgba(10, 25, 41, 0.9);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-2xl) 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
}

.footer-logo .accent {
  color: var(--color-accent);
}

.footer-description {
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

.footer-contacts {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-contact {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition-base);
}

.footer-contact:hover {
  color: var(--color-accent);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ===== АНИМАЦИИ ===== */
@keyframes messageSlideIn {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pythonPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 30px rgba(255, 212, 59, 0.4);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(255, 212, 59, 0.7);
  }
}

@keyframes techBounce {
  0%, 100% {
    transform: translateY(0px) scale(1) rotateX(0deg);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  }
  50% {
    transform: translateY(-8px) scale(1.01) rotateX(2deg);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  }
}



/* ===== АДАПТИВНОСТЬ КОМПОНЕНТОВ ===== */
@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .demo-grid {
    grid-template-columns: 1fr;
  }

  .tech-showcase {
    gap: var(--spacing-2xl);
  }

  .tech-row {
    gap: var(--spacing-md);
  }

  .tech-item {
    min-width: 120px;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .tech-python {
    padding: var(--spacing-lg) var(--spacing-xl);
  }

  .timeline-item:nth-child(even) .timeline-content,
  .timeline-item:nth-child(odd) .timeline-content {
    margin: 0 var(--spacing-xl);
    text-align: center;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .contact-form-wrapper {
    position: static;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .footer-contacts {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}