/* ==================================================
   AEROFiltry - Основные стили
   ================================================== */

/* Основные переменные */
:root {
  --color-primary: #3B3B98;
  --color-accent: #C7FF33;
  --color-text: #F2F2F2;
  --color-dark: #1A1A1A;
  --color-light: #FFFFFF;
  --color-gray: #888888;
  --color-dark-gray: #444444;
  --color-light-gray: #DADADA;
  --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --transition: all 0.3s ease;
}

/* Сброс стилей */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-primary);
  overflow-x: hidden;
}

/* Общие элементы */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

ul {
  list-style: none;
  margin-left: 1rem;
}

/* Кнопки */
.cta-button, .submit-button, .service-button {
  display: inline-block;
  padding: 12px 24px;
  background: var(--color-dark);
  color: var(--color-light);
  border: 2px solid var(--color-dark);
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.cta-button:hover, .submit-button:hover, .service-button:hover {
  background: var(--color-accent);
  color: var(--color-dark);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.service-button {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.back-home {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  border: 1px solid var(--color-accent);
  color: var(--color-light);
  border-radius: 4px;
  transition: var(--transition);
}

.back-home:hover {
  background: var(--color-accent);
  color: var(--color-dark);
  transform: translateY(-2px);
}

/* Заголовки секций */
.section-title {
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--color-accent);
}

/* Диагональные разделители */
.diagonal-divider {
  position: relative;
  height: 80px;
  margin-top: -1px;
}

.diagonal-divider::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary) 49.5%, var(--color-dark) 49.5%);
  z-index: -1;
}

.diagonal-divider.reverse::after {
  background: linear-gradient(135deg, var(--color-dark) 49.5%, var(--color-primary) 49.5%);
}

.hero-diagonal {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary) 49.5%, transparent 49.5%);
}

/* Стили шапки */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(59, 59, 152, 0.95);
  backdrop-filter: blur(5px);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  display: block;
}

.logo-svg {
  width: 160px;
  height: 40px;
  transition: var(--transition);
}

.logo:hover .logo-svg path:first-child {
  fill: #efffff;
  transform: scale(1.05);
  transform-origin: center;
}

.menu-toggle {
  display: none;
}

.menu-button {
  display: none;
  cursor: pointer;
}

.nav-list {
  display: flex;
  gap: 20px;
}

.nav-list li {
  position: relative;
}

.nav-list a {
  position: relative;
  display: block;
  padding: 8px 0;
}

.nav-list a:not(.cta-button)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

.nav-list a:not(.cta-button):hover::after {
  width: 100%;
}

/* Герой-блок */
.hero {
  
  display: flex;
  align-items: center;
  padding: 170px 0 !important;
  position: relative;
  background-color: var(--color-dark);
  overflow: hidden;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-content {
  flex: 1;
  max-width: 50%;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 30px;
  color: var(--color-light-gray);
}

.hero-image {
  flex: 1;
  max-width: 50%;
  padding-left: 30px;
  animation: fadeInRight 1s ease-out 0.3s backwards;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-image img {
  border-radius: 10px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transform: rotate(2deg);
  transition: var(--transition);
}

.hero-image:hover img {
  transform: rotate(0deg) scale(1.02);
}

.hero-cta {
  margin-top: 40px;
}

/* О компании */
.about {
  padding: 100px 0;
  background-color: var(--color-primary);
  position: relative;
}

.about-content {
  display: flex;
  align-items: center;
  gap: 50px;
}

.about-text {
  flex: 1;
}

.about-image {
  flex: 1;
}

.about-image img {
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-features {
  margin-top: 20px;
}

.about-features li {
  position: relative;
  padding-left: 25px;
  margin-bottom: 10px;
}

.about-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* Услуги */
.services {
  padding: 100px 0;
  background-color: var(--color-dark);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background-color: var(--color-accent);
  opacity: 0.05;
  transition: var(--transition);
  z-index: -1;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.service-card:hover::before {
  height: 100%;
}

.service-icon {
  margin-bottom: 20px;
}

.service-card h3 {
  margin-bottom: 15px;
}

.service-features {
  margin: 20px 0;
}

.service-features ul li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
}

.service-features ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--color-accent);
}

.service-price {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: center;
}

.price {
  font-size: 1.5rem;
  font-weight: bold;
}

/* Преимущества */
.benefits {
  padding: 100px 0;
  background-color: var(--color-primary);
  position: relative;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
}

.benefit-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 20px;
}

.benefit-icon {
  margin-bottom: 20px;
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.benefit-item:hover .benefit-icon {
  transform: translateY(-10px);
}

.benefit-item h3 {
  margin-bottom: 15px;
  color: var(--color-accent);
}

/* Сертификаты */
.certificates {
  padding: 100px 0;
  background-color: var(--color-dark);
  position: relative;
}

.cert-slider {
  
  margin: 40px 0;
}

.cert-track {
  display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}



.cert-track:hover {
  animation-play-state: paused;
}

.cert-slide {
 
  flex-shrink: 0;
  display: flex;
  justify-content: center;
}

.cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 260px;
  padding: 30px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  transition: var(--transition);
}

.cert-item:hover {
  transform: scale(1.05);
}

.cert-icon {
  margin-bottom: 20px;
}

.cert-description {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

/* Отзывы */
.testimonials {
  padding: 100px 0;
  background-color: var(--color-primary);
  position: relative;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 30px;
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.testimonial-content {
  margin-bottom: 20px;
}

.testimonial-stars {
  margin-bottom: 15px;
  color: var(--color-accent);
}

.star {
  display: inline-block;
  margin-right: 5px;
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.testimonial-img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 15px;
}

.author-info h4 {
  margin-bottom: 5px;
}

.author-info p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-light-gray);
}

/* Форма контактов */
.contact-form {
  padding: 100px 0;
  background-color: var(--color-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.contact-info {
  padding-right: 30px;
}

.contact-details {
  margin-top: 30px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
}

.contact-icon {
  margin-right: 15px;
  padding-top: 5px;
}

.form-container {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 30px;
}

.form-errors {
  margin-bottom: 20px;
  padding: 15px;
  background-color: rgba(255, 0, 0, 0.2);
  border-radius: 5px;
}

.form-errors ul {
  list-style: disc;
  margin-left: 20px;
}

.form-field {
  margin-bottom: 20px;
}

.form-field label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
}

.form-field input,
.form-field select {
  width: 100%;
  padding: 12px 15px;
  background-color: rgb(26 26 26);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  color: var(--color-light);
  font-size: 1rem;
  transition: var(--transition);
}

.form-field input:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: rgb(26 26 26);
}

.form-checkboxes {
  margin-bottom: 25px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  margin-bottom: 10px;
}

.form-checkbox input {
  margin-right: 10px;
  margin-top: 5px;
}

.form-submit {
  text-align: center;
}

.submit-button {
  width: 100%;
  border: none;
}

/* Куки-баннер */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(26, 26, 26, 0.95);
  padding: 15px 0;
  z-index: 9999;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(5px);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.cookie-content p {
  flex: 1;
  margin: 10px 0;
  padding-right: 20px;
}

.cookie-content form {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.cookie-content label {
  display: flex;
  align-items: center;
  gap: 5px;
}

.cookie-accept {
  padding: 10px 20px;
  background-color: var(--color-accent);
  color: var(--color-dark);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  transition: var(--transition);
}

.cookie-accept:hover {
  background-color: #d8ff66;
  transform: translateY(-3px);
}

.cookie-info {
  width: 100%;
  margin-top: 10px;
  font-size: 0.875rem;
  color: var(--color-light-gray);
}

/* Страница благодарности */
.thank-you {
  
  display: flex;
  align-items: center;
  text-align: center;
  padding: 150px 0;
  background-color: var(--color-primary);
  position: relative;
}

.thank-you-content {
  max-width: 600px;
  margin: 0 auto;
}

.thank-icon {
  margin: 0 auto 30px;
  animation: pulse 2s infinite;
}

.thank-icon.error {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-10px); }
  40% { transform: translateX(10px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.thank-subtitle {
  font-size: 1.5rem;
  margin-bottom: 30px;
  color: var(--color-accent);
}

.thank-details {
  margin: 30px 0;
}

/* Правовые страницы */
.legal-page {
  padding: 150px 0 100px;
  background-color: var(--color-primary);
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-updated {
  margin-bottom: 30px;
  color: var(--color-light-gray);
  font-style: italic;
}

.legal-text h2 {
  margin-top: 40px;
  margin-bottom: 20px;
  color: var(--color-accent);
}

.legal-text p {
  margin-bottom: 15px;
}

.legal-text ul {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 20px;
}

.legal-text address {
  margin: 20px 0;
  font-style: normal;
}

.legal-nav {
  margin-top: 50px;
  text-align: center;
}

/* Подвал */
.main-footer {
  background-color: var(--color-dark);
  padding: 70px 0 30px;
  color: var(--color-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.footer-about h3,
.footer-contact h3,
.footer-legal h3 {
  color: var(--color-accent);
  margin-bottom: 20px;
}

.footer-legal ul li {
  margin-bottom: 10px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Адаптивный дизайн */
@media (max-width: 991px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-content {
    max-width: 100%;
    margin-bottom: 40px;
  }
  
  .hero-image {
    max-width: 80%;
    padding-left: 0;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    padding-right: 0;
  }
}

@media (max-width: 767px) {
  .menu-button {
    display: block;
    position: relative;
    width: 30px;
    height: 24px;
  }
  
  .menu-button span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--color-light);
    transition: var(--transition);
  }
  
  .menu-button span:nth-child(1) { top: 0; }
  .menu-button span:nth-child(2) { top: 11px; }
  .menu-button span:nth-child(3) { top: 22px; }
  
  .menu-toggle:checked + .menu-button span:nth-child(1) {
    transform: rotate(45deg);
    top: 11px;
  }
  
  .menu-toggle:checked + .menu-button span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle:checked + .menu-button span:nth-child(3) {
    transform: rotate(-45deg);
    top: 11px;
  }
  
  .nav-list {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--color-primary);
    display: flex;
    flex-direction: column;
    padding: 20px;
    gap: 0;
    transform: scaleY(0);
    transform-origin: top;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
  }
  
  .menu-toggle:checked ~ .nav-list {
    transform: scaleY(1);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-list li {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-list li:last-child {
    border-bottom: none;
  }
  
  .nav-list a {
    padding: 15px 0;
  }
  
  .nav-list a.cta-button {
    margin-top: 10px;
    text-align: center;
  }
  
  .services-grid,
  .benefits-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-content p {
    padding-right: 0;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
}

@media (max-width: 480px) {
  .hero-image {
    max-width: 100%;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .section-title {
    margin-bottom: 30px;
  }
  
  .testimonial-card {
    padding: 20px;
  }
  
  .form-container {
    padding: 20px;
  }
}