* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #000024;
  --white: #ffffff;
  --light-blue: #E6EBFF;
  --accent: #1C1CFF;
}

html {
  font-size: 20px;
}
html,
body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  overflow-x: hidden;
  height: auto;
  min-height: 100%;
}

body {
  font-family: 'Saira', sans-serif;
  background: var(--bg);
  color: var(--white);
  font-weight: 400;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.work-sans-font {
  font-family: "Work Sans", sans-serif;
  font-weight: 400;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  width: 172px;
  height: 36px;
}


.topbar {
  position: fixed; 
  top: 0;
  left: 0;
  width: 100%;
  height: 90px;
  z-index: 100;
  
  padding-bottom: 15px;
  transition: background-color 0.3s ease, padding 0.3s ease;
  background-color: transparent; 
  z-index: 1000;
}
.topbar_scrolled {
  background: linear-gradient(180deg, #00002F 0%, #090909 100%);
}
.topbar__inner-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  padding-bottom: 24px;
}
.topbar__left-panel {
  max-width: 172px;
}
.main-menu {
  display: flex;
  align-items: center;
}
.main-menu__item {
  margin-right: 20px;
}
.main-menu__item:last-child {
  margin-right: 0;
}
.main-menu__link {
  padding: 10px 4px;
  font-size: 22px;
  color: var(--white);
  text-transform: uppercase;
  text-decoration: none;
  transition: 0.3s;
}
.main-menu__link:hover {
  color: var(--accent);
}
.topbar__email {
  padding: 3px;
  color: var(--white);
  font-weight: 600;
  transition: 0.3s;
}
.topbar__email:hover {
  color: var(--accent);
}

.burger-menu {
  display: none;
  width: 32px;           
  height: 32px;      
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.burger-menu span {
  display: block;
  height: 4px;         
  background-color: #fff;
  border-radius: 4px; 
  transition: all 0.3s ease;
}
.burger-menu span:nth-child(1),
.burger-menu span:nth-child(3) {
  width: 100%;
}
.burger-menu span:nth-child(2) {
  width: 70%;           
}

.hero {
  margin-top: 0;
  position: relative;
  padding-top: 210px;
  min-height: 100vh;
  z-index: 1;
  background: none; 
  overflow: visible;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  
  background-image: url('images/hero_back.jpg');
  background-repeat: no-repeat;
  background-position: center top;
  background-size: 100% auto;
  background-color: #000024;
  
  -webkit-mask-image: linear-gradient(to bottom, 
      black 60%, 
      transparent 95%
  );
  mask-image: linear-gradient(to bottom, 
      black 60%, 
      transparent 95%
  );
  
  z-index: -1;
}
.hero__inner-grid {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.hero__title {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__title h1 {
  font-size: 64px;
  font-weight: 600;
}
.hero__title p {
  max-width: 610px;
  font-size: 40px;
  line-height: 1.4;
  text-align: center;
  color: var(--light-blue)
}

.hero__content {
  margin-top: 32px;

  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.hero__card-wrapper {
  padding-top: 24px;
}
.top-card {
  max-width: 306px;
  min-height: 362px;
  padding: 24px 18px 18px 18px;

  display: flex;
  flex-direction: column;
  justify-content: space-between;

  background: linear-gradient(180deg, #0C1330 0%, #030A21 100%);
  border-radius: 10px;
  border: 1px solid #1C1CFF;
  box-shadow: -1px 4px 22.1px 0px #1C1CFF;
}
.top-card__title {
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
}
.top-card__description {
  margin-top: 5px;
  font-size: 18px;
  text-align: center;
  line-height: 1.5;
}
.top-card__img-block {
  margin-top: 12px;
  position: relative; 
  display: flex;
  cursor: pointer;
  border-radius: 10px;
  overflow: visible;
}
.top-card__img-block img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  z-index: 1;
}
.top-card__img-block--video::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  
  width: 70px;
  height: 70px;
  
  background-image: url('images/hero/play.svg');
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  
  z-index: 5;
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  pointer-events: none;
}
.top-card__img-block--video:hover::before {
  transform: translate(-50%, -50%) scale(1.25);
}
.top-card__img-block::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0);
  border-radius: 10px;
  transition: background-color 0.4s ease;
  z-index: 2; 
  pointer-events: none;
}
.top-card:hover .top-card__img-block::after {
  background-color: rgba(0, 0, 0, 0.4);
}
.hero__ads-link {
  width: 100%;
  max-width: 385px;
  display: flex;
  justify-content: center;
  align-items: start;
}
.link-button {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 18px 0;
  font-family: "Work Sans", sans-serif;
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  color: #000024;
  background-color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  overflow: hidden;
  transition: color 0.4s ease;
}

.link-button::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%; 
  aspect-ratio: 1 / 1; 
  background: linear-gradient(73deg, #1C1CFF 0%, #071649 100%);
  border-radius: 50%;
  z-index: -1;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.5s ease-in-out;
}
.link-button::after {
  content: "";
  width: 20px;
  height: 20px; 
  background: url('images/arrow.svg') no-repeat center; 
  background-size: contain;
  display: inline-block;
  transition: transform 0.3s ease, filter 0.3s ease;
}
.link-button:hover {
  color: #fff;
}
.link-button:hover::before {
  transform: translate(-50%, -50%) scale(1);
}
.link-button:hover::after {
  transform: translateX(5px);
  filter: brightness(0) invert(1);
}

.hero__social {
  margin-top: 30px;
  width: 100%;
  display: flex;
  justify-content: center;
}
.social {
  width: 160px;
  display: flex;
  justify-content: space-between;
}
.social__item {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #1C1CFF;
  border-radius: 10px;
  box-shadow: -1px 4px 22.1px 0px #1C1CFF;
  text-decoration: none;
  cursor: pointer;
  transition: 0.4s;
}
.social__item:hover {
  background-color: var(--accent);
  box-shadow: none;
}

.about {
  margin-top: 135px;
  z-index: 2;
  position: relative;
}
.about::before {
  content: "";
  position: absolute;

  top: -120px; 
  left: 50%;
  transform: translateX(-50%);
  
  /* To make a round */
  width: 150%; 
  height: 2000px;
  
  background-color: var(--bg);

  border-radius: 50%;

  box-shadow: 
    0px -15px 40px rgba(28, 28, 255, 0.4),
    inset 0px 10px 30px rgba(28, 28, 255, 0.2);
  
  z-index: 0; 
  pointer-events: none;
}

.about__inner-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}
.about__description {
  margin-top: 24px;
  max-width: 980px;
}

.about__cards-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  width: 100%;
  max-width: 1160px;
  margin-top: 60px;
}
.about-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: 10px;
  box-sizing: border-box;
  font-family: "Work Sans", sans-serif;
  background: linear-gradient(150deg, #1C1CFF 0%, #071649 100%);
}
.about-card_dark {
  border: 1px solid #1C1CFF;
  box-shadow: -1px 4px 22.1px 0px #1C1CFF;
  background: linear-gradient(180deg, #0C1330 0%, #030A21 100%);
}
.about-card img {
  width: 54px;
  height: 54px;
  object-fit: contain;
}
.about-card__title {
  margin-top: 16px;
  font-size: 20px;
  font-weight: 600;
}
.about-card__description {
  margin-top: 12px;
  font-size: 18px;
  line-height: 1.5;
  color: var(--light-blue);
}
.about-card__description_bold {
  margin-top: 12px;
  font-size: 18px;
  line-height: 1.5;
  color: var(--light-blue);
  font-weight: 600;
}

.product {
  margin-top: 170px;
  position: relative;
  z-index: 3;
  background-color: var(--bg);
}
.product__inner-grid {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.product__description {
  margin-top: 24px;
  max-width: 838px;
}
.product__overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 210px;
  width: 100%;
  margin-top: 60px;
}

.overview {
  display: flex;
  flex-direction: column;
}
.overview__description {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.5;
}
.overview__list {
  display: flex;
  flex-direction: column;
  margin-top: 24px;
}
.overview__item {
  display: flex;
  align-items: center;
  margin-top: 25px;
}
.overview__item:first-child {
  margin-top: 0;
}
.overview__image {
  width: 54px;
  height: 54px;
  margin-right: 16px;
}
.overview__item-text {
  line-height: 1.6;
  color: var(--light-blue);
}



.features {
  padding-top: 176px;
  padding-bottom: 30px;
  position: relative;
  background-color: var(--bg);
  background-image: 
    linear-gradient(rgba(28, 28, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 28, 255, 0.1) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center center;
  
}
.features::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(to bottom, var(--bg), transparent);
  z-index: 1;
}
.features__inner-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
}
.features__title-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
}
.features-glow {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translate(-50%, -50%);
  
  width: 350px;
  height: 50px;
  background: var(--accent); 
  filter: blur(60px);
  opacity: 0.4;
  z-index: 1;
  pointer-events: none;
}
.features__item {
  max-width: 540px;
  position: relative;
}
.features__title {
  font-size: 30px;
  font-weight: 600;
}
.features__description {
  margin-top: 10px;
  color: var(--light-blue);
  font-family: "Work Sans", sans-serif;
  font-weight: 400;
  line-height: 1.7;
}
.features__decor {
  position: relative;
  width: 3px;
  height: 140px;
  margin-top: 81px;
  margin-bottom: 28px;
  background-color: var(--accent);
}
.features__decor::before {
  content: '';
  position: absolute;
  top: -53px; 
  left: 50%;
  transform: translateX(-50%);
  width: 53px;
  height: 53px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}
.features__decor::after {
  content: '';
  position: absolute;
  top: -36.5px; 
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background-color: var(--accent);
  border-radius: 50%;
}
.features__ads-link {
  width: 100%;
  max-width: 372px;
  margin-top: 80px;
}

.wave-frame {
  position: relative;
  width: 100vw;         
  height: 620px;         
  margin-left: calc(50% - 50vw);
  
  background-color: var(--bg);
  background-size: 40px 40px;
  background-position: center top;

  overflow: hidden;
}

.wave-frame::after {
  content: "";
  position: absolute;
  
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;

  background-image: url('images/waves_mask.jpg');
  background-repeat: no-repeat;
  background-position: center top; 
  background-size: 100% auto;

  -webkit-mask-image: linear-gradient(to bottom, 
    black 0%, 
    black 40%, 
    transparent 100%
  );
  mask-image: linear-gradient(to bottom, 
    black 0%, 
    black 40%, 
    transparent 100%
  );
}


.contacts {
  padding-bottom: 200px;
}
.contacts__inner-grid {
  position: relative;
}
.contacts__wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 325px;
  width: 100%;
  margin-top: 60px;
}
.contacts__list {
  display: flex;
  flex-direction: column;
}
.contacts__item {
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: start;
  align-items: center;
  margin-top: 20px;
}
.contacts__item:first-child {
  margin-top: 0;
}
.contacts__image {
  width: 54px;
  height: 54px;
  margin-right: 16px;
}
.contacts__description-grid {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contacts__description-text {
  color: var(--light-blue);
  font-family: "Work Sans", sans-serif;
  font-size: 24px;
  font-weight: 400;
  line-height: 1.5;
}
.contacts__description-text_bold {
  color: var(--white);
  font-family: "Work Sans", sans-serif;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.5;
}
.feedback__title {
  font-size: 30px;
  font-weight: 600;
}
.feedback__text {
  font-size: 30px;
  font-weight: 400;
  color: var(--light-blue);
}
.feedback__ads-link{
  width: 100%;
  max-width: 372px;
  display: flex;
  justify-content: center;
  align-items: start;
  margin-top: 32px;
}

.footer__menu-wrapper_mob {
  display: none;
}
.footer {
  padding-top: 60px;
  padding-bottom: 60px;
  background: linear-gradient(180deg, #090909 0%, #00002F 100%);
}
.footer__inner-grid {
  display: flex;
  flex-direction: column;
}
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 90px;
  width: 100%;
}
.footer__left-panel {
  display: flex;
  flex-direction: column;
  align-items: start;
  max-width: 530px;
}
.footer__logo-text {
  margin-top: 30px;
  font-size: 30px;
  font-weight: 600;
}
.footer__menu {
  display: flex;
  flex-direction: column;
}
.footer__menu-item {
  font-family: "Work Sans", sans-serif;
  font-size: 18px;
  font-weight: 400;
  text-decoration: none;
  margin-top: 20px;
  color: var(--white);
  transition: 0.3s;
}
.footer__menu-item:first-child {
  margin-top: 0;
}
.footer__menu-item:hover {
  color: var(--accent);
}
.copyrights {
  width: 100%;
  padding-top: 155px;
  position: relative
}
.copyrights::before {
  content: '';
  position: absolute;
  bottom: 46px;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 2px;
  background-color: rgba(201, 182, 255, 0.16);
}
.copyrights__text {
  color: var(--light-blue);
  font-family: "Work Sans", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  text-align: center;
}

.section-title-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  width: 100%;
  position: relative;
  z-index: 2;
}
.section-title {
  font-size: 48px;
  font-weight: 600;
}
.section-title-wrapper::before, .section-title-wrapper::after  {
  content: "";
  height: 1px;
  flex: 0 1 150px;
  background: rgba(109, 109, 109, 0.54);
}
.section-description {
  font-size: 30px;
  color: var(--light-blue);
  text-align: center;
}
.section-description_bold {
  font-size: 30px;
  text-align: center;
  font-weight: 600;
  color: var(--white);
}
.section-glow {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translate(-50%, -50%);
  
  width: 400px;
  height: 50px;
  background: var(--accent); 
  filter: blur(60px);
  opacity: 0.4;
  z-index: 1;
  pointer-events: none;
}





/* Slider */
.slider {
  width: 100%;
  max-width: 540px; 
  max-height: 595px;
  margin: 0 auto;
}

.slider__viewport {
  width: 100%;
  overflow: hidden;   
}

.slider__wrapper {
  display: flex;
  gap: 24px;
  transition: transform 0.7s cubic-bezier(0.45, 0, 0.15, 1);
  will-change: transform;
}

.slider__slide {
  min-width: 100%; 
  box-sizing: border-box;
}

.slider__slide img {
  width: 100%;
  height: auto;
  display: block;
    border-radius: 15px;
}

/* Slider pagination */
.slider__pagination {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.slider__dot {
  width: 10px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.3s;
}

.slider__dot_active {
  background-color: #fff;
  transform: scale(1.2);
}

/* Modal */
.modal {
  opacity: 0;
  visibility: hidden;
  
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(5px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  
  transition: opacity 0.4s ease, visibility 0.4s ease;

  cursor: pointer;
}
.modal.is-open {
  opacity: 1;
  visibility: visible;
}
.modal__content {
  position: relative;
  width: 90%;
  max-width: 900px;
  background: #000;
  
  transform: translateY(30px) scale(0.9);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.165, 0.84, 0.44, 1), opacity 0.5s ease;
}
.modal.is-open .modal__content {
  transform: translateY(0) scale(1);
  opacity: 1;
}
.modal__close {
  position: absolute;
  top: -45px;
  right: -10px;
  background: none;
  border: none;
  color: white;
  font-size: 50px;
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease;
}
.modal__close:hover {
  transform: rotate(90deg);
  color: var(--accent)
}
.modal__video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  box-shadow: 0 0 50px rgba(28, 28, 255, 0.3);
}
.modal__video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Mobile menu */
.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: linear-gradient(180deg, #090909 0%, #00002F 100%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 40px 20px 30px 20px;
  
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease-in-out;
}
.mobile-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.mobile-overlay__close {
  position: absolute;
  top: 30px;
  right: 30px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2100;
}
.close-icon {
  position: relative;
  width: 100%;
  height: 100%;
}
.close-icon::before,
.close-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 32px;      
  height: 3px;    
  background-color: #ffffff;
  border-radius: 2px;
  transition: background-color 0.3s ease, transform 0.3s ease;
}
.close-icon::before {
  transform: translate(-50%, -50%) rotate(45deg);
}
.close-icon::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}
.mobile-overlay__close:hover .close-icon::before,
.mobile-overlay__close:hover .close-icon::after {
  background-color: var(--accent, #007bff);
  transform: translate(-50%, -50%) rotate(135deg);
}
.mobile-overlay__close:hover .close-icon::after {
  transform: translate(-50%, -50%) rotate(45deg);
}
.mobile-overlay__section {
  margin-top: 60px;
}
.mobile-overlay__socials {
  margin-top: 60px;
}
.mobile-overlay__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 40px;
}
.mobile-overlay__footer {
  width: 100%;
  display: flex;
  justify-content: start;
  padding-top: 24px;
  position: relative;
}
.mobile-overlay__footer::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: rgba(182, 182, 255, 0.16);
  top: 0;
  left: 0;
}



@media (max-width: 1200px) {
  .about::before {
    width: 185%;
  }
}
@media (max-width: 1060px) {
  .topbar__nav {
    display: none;
  }
  .topbar__right-panel {
    display: none;
  }
  .burger-menu {
    display: flex;
  }
  .main-menu {
    flex-direction: column;
  }
  .main-menu__item {
    margin-right: 0px;
    margin-top: 16px;
  }
  .main-menu__item:first-child {
    margin-top: 0;
  }

  .hero__social {
    display: none;
  }

  .hero__ads-link {
    max-width: 290px;
  }
}
@media (max-width: 1024px) {
  .about__cards-container {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero {
    min-height: 80vh;
  }

  .feedback__ads-link {
    max-width: inherit;
  }

  .footer__top {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .footer__left-panel {
    max-width: none;
  }
}
@media (max-width: 960px) {
  .about::before {
    display: none;
  }
  .hero__content {
    flex-direction: column;
    align-items: center;
  }
  .hero__card-wrapper {
    order: 2;
    margin-top: 40px;
  }
  .hero__ads-link {
    order: 1;
  }

  .contacts__wrapper {
    grid-template-columns: repeat(1, 1fr);
    gap: 25px;
  }
  .product__overview-grid {
    grid-template-columns: repeat(1, 1fr);
    gap: 150px;
  }
  .overview {
    order: 2;
  }
  .slider {
    order: 1;
  }
  .wave-frame {
    height: 430px;
  }
  .features {
    padding-top: 140px;
  }

  .contacts {
    padding-bottom: 60px;
  }
  .feedback__description {
    text-align: center;
  }
  .feedback__ads-link {
    max-width: 290px;
    align-items: center;
    justify-content: center;
  }
  .contacts__feedback {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .footer__right-panel {
    margin-top: 40px;
  }
  .copyrights {
    padding-top: 120px;
  }
}
@media (max-width: 768px) {
  .footer__top{
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  html {
    font-size: 18px;
  }
  .container {
    padding: 0 16px;
  }
  .topbar {
    height: 80px;
  }
  .topbar__inner-grid {
    padding-top: 20px;
    padding-bottom: 20px;
  }
  .hero__title h1 {
    font-size: 26px;
  }
  .hero__title p {
    font-size: 20px;
  }
  .hero__content {
    margin-top: 24px;
  }
  .hero__card-wrapper_mobile {
    margin-top: 90px;
  }
  .hero__card-wrapper {
    padding-top: 0;
  }
  .top-card__description {
    font-size: 16px;
  }
  .link-button {
    font-size: 14px;
    padding: 13px 0;
  }

  .about {
    margin-top: 80px;
  }
  .about__description {
    margin-top: 16px;
  }
  .about__cards-container {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 40px;
  }
  .about-card img {
    width: 40px;
    height: 40px;
  }
  .about-card__title {
    font-size: 18px;
  }
  .about-card__description,
  .about-card__description_bold {
    margin-top: 8px;
    font-size: 14px;
  }

  .product {
    margin-top: 80px;
  }
  .product__overview-grid {
    margin-top: 40px;
    gap: 90px;
  }
  .slider {
    max-width: 320px;
    max-height: 340px;
  }
  .overview__description {
    font-size: 18px;
  }
  .overview__item {
    margin-top: 30px;
  }
  .overview__image {
    width: 42px;
    height: 42px;
    margin-right: 12px;
  }
  .overview__item-text {
    font-size: 16px;
  }
  .features {
    padding-top: 80px;
  }
  .features__title {
    font-size: 20px;
  }
  .features__description {
    font-size: 16px;
  }
  .features__decor {
    height: 120px;
  }
  .features__decor::before {
    top: -48px;
    width: 40px;
    height: 40px;
  }
  .features__decor::after {
    top: -35.5px;
    width: 16px;
    height: 16px;
  }
  .features__ads-link {
    margin-top: 40px;
    max-width: 290px;
  }
  .wave-frame {
    height: 210px;
  }
  .contacts__wrapper {
    margin-top: 20px;
    gap: 40px;
  }
  .contacts__item {
    margin-top: 30px;
  }
  .contacts__image {
    width: 42px;
    height: 42px;
    margin-right: 12px;
  }
  .contacts__description-text,
  .contacts__description-text_bold {
    font-size: 16px;
  }
  .feedback__title,
  .feedback__text {
    font-size: 16px;
  }
  .feedback__ads-link {
    margin-top: 24px;
  }
  .footer {
    padding-top: 40px;
  }
  .footer__top {
    grid-template-columns: 1fr; 
    text-align: center;
    gap: 0;
  }
  .logo {
    width: 144px;
    height: 30px;
  }
  .footer__logo-text {
    margin-top: 24px;
    font-size: 20px;
    text-align: left;
  }
  .footer__menu {
    display: none;
  }
  .footer__menu-wrapper_mob {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
  }
  .footer__menu_mob {
    display: flex;
    text-align: left;
  }
  .footer__right-panel {
    margin-top: 40px;
  }
  .copyrights {
    padding-top: 100px;
  }
  .section-title-wrapper::before, 
  .section-title-wrapper::after {
    content: none;
  }

  

  .section-title {
    font-size: 24px;
  }
  .section-description, 
  .section-description_bold {
    font-size: 16px;
  }
  .section-description {
    margin-top: 8px;
    line-height: 1.7;
  }
  .section-description:first-child {
    margin-top: 0;
  }
}

@media (max-width: 450px) {
  .hero {
    padding-top: 350px;
  }
  .hero::before {    
    background-image: url('images/hero_back_mobile.jpg');
  }
}