:root {
  --color-white: #fff;
  --color-black: #000;
  --color-gray-dark: #0a0a0a;
  --color-gray: #a4a4a4;
  --color-gray-light: #d2d2d2;
  --color-gray-input: #3f3f3f;
  --color-gray-input-focus: #4a4a4a;
  
  --gradient-cyan: #00E5FF;
  --gradient-green: #00E676;
  --gradient-purple-start: #D500F9;
  --gradient-purple-end: #3D5AFE;
  --gradient-yellow-start: #D0C184;
  --gradient-yellow-end: #F1E8A5;
  
  --color-success: #4CAF50;
  --color-error: #e74c3c;
  --color-error-dark: #f44336;
  
  --neon-shadow-sm: 0 0 15px;
  --neon-shadow-md: 0 0 30px;
  --neon-shadow-lg: 0 0 45px;
  --neon-shadow-xl: 0 0 100px;
  
  --spacing-xs: 10px;
  --spacing-sm: 15px;
  --spacing-md: 20px;
  --spacing-lg: 30px;
  --spacing-xl: 40px;
  --spacing-2xl: 50px;
  --spacing-3xl: 80px;
  --spacing-4xl: 100px;
  
  --radius-circle: 50%;
  --radius-lg: 30px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --radius-xs: 10px;
  
  --font-size-xs: 16px;
  --font-size-sm: 18px;
  --font-size-md: 20px;
  --font-size-lg: 22px;
  --font-size-xl: 24px;
  --font-size-2xl: 25px;
  --font-size-3xl: 30px;
  --font-size-4xl: 35px;
  --font-size-5xl: 40px;
  --font-size-6xl: 48px;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  
  --z-negative: -1;
  --z-base: 1;
  --z-progress: 9999;
  --z-scroll-top: 1000;
  
  --transition-fast: 0.2s;
  --transition-base: 0.3s;
  --transition-slow: 0.4s;
  --transition-smooth: 0.5s;
  
  --container-max-width: 70%;
  --card-width: 30%;
}

* {
  scrollbar-width: thin;
  scrollbar-color: #00ffd5 transparent;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  background-color: var(--color-black);
}

img {
  transition: transform var(--transition-smooth) ease, filter var(--transition-base) ease;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xs);
  position: relative;
}

.container-sircle {
  position: relative;
}

.banner-sircle {
  position: absolute;
  top: -350px;
  left: -350px;
  height: 560px;
  width: 560px;
  border-radius: var(--radius-circle);
  filter: blur(560px);
  background: linear-gradient(270.9deg, var(--gradient-cyan) 17.26%, var(--gradient-green) 83.53%);
  opacity: 0.8;
}

.circle {
  position: absolute;
  top: -28%;
  left: -23%;
  width: 600px;
  height: 600px;
  border: 1.5px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-circle);
}

.star, .star-purple, .star-yellow, .star-gradient {
  position: absolute;
  background: linear-gradient(270.9deg, var(--gradient-cyan) 17.26%, var(--gradient-green) 83.53%);
  width: 25px;
  height: 25px;
  border-radius: var(--radius-circle);
  filter: blur(10px);
}

.star-purple {
  background: linear-gradient(90deg, var(--gradient-purple-start) 0%, var(--gradient-purple-end) 100%);
}

.star-yellow {
  background: linear-gradient(43.12deg, var(--gradient-yellow-start) -1.94%, var(--gradient-yellow-end) 97.42%);
}

.star-gradient {
  background: linear-gradient(270.9deg, var(--gradient-cyan) 17.26%, var(--gradient-green) 83.53%);
  filter: none;
}

.gradient-text {
  background: linear-gradient(90deg, rgba(1, 229, 125, 1) 0%, rgba(0, 228, 254, 1) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section__title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  text-transform: uppercase;
  color: var(--color-white);
}

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

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

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

.promo {
  height: 600px;
  position: relative;
}

.promo__content {
  margin-top: var(--spacing-xl);
}

.promo__text {
  margin-bottom: var(--spacing-2xl);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
}

.promo__title {
  margin-bottom: var(--spacing-2xl);
  font-size: var(--font-size-6xl);
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
}

.promo__title--logo {
  color: var(--gradient-green);
}

.promo__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.2;
}

.header {
  position: relative;
  height: 100px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo__text {
  font-size: var(--font-size-2xl);
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
}

.banner-back {
  top: 0;
  right: -100px;
  position: absolute;
  height: 700px;
  z-index: var(--z-negative);
}

.neon-border-btn {
  position: relative;
  padding: 16px var(--spacing-xl);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: var(--radius-lg);
  display: inline-block;
  transition: var(--transition-base);
  border: none;
  background: transparent;
  cursor: pointer;
  isolation: isolate;
}

.neon-border-btn::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 3px;
  height: 50%;
  background: #01e57e;
  box-shadow: 0 0 15px #01e57e, 0 0 30px #01e57e, 0 0 45px #01e57e;
  border-radius: var(--radius-lg);
  transition: height var(--transition-slow), box-shadow var(--transition-slow), opacity var(--transition-slow);
  z-index: var(--z-negative);
}

.neon-border-btn::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50%;
  height: 3px;
  background: #01e57e;
  box-shadow: 0 0 15px #01e57e, 0 0 30px #01e57e, 0 0 45px #01e57e;
  border-radius: var(--radius-lg);
  transition: width var(--transition-slow), box-shadow var(--transition-slow), opacity var(--transition-slow);
  z-index: var(--z-negative);
}

.btn-text {
  position: relative;
  color: #01e57e;
  transition: color var(--transition-slow), text-shadow var(--transition-slow), opacity var(--transition-slow);
  z-index: var(--z-base);
}

.neon-border-btn:hover::before {
  height: 0;
  box-shadow: none;
  opacity: 0;
}

.neon-border-btn:hover::after {
  width: 0;
  box-shadow: none;
  opacity: 0;
}

.neon-border-btn:hover .btn-text {
  text-shadow: 0 0 10px #01e57e, 0 0 20px #01e57e, 0 0 30px #01e57e;
}

.stack {
  overflow: hidden;
  background: linear-gradient(90.86deg, #00E5FB 16.44%, #00E676 77.33%);
}

.marquee {
  height: 100%;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.stack__list {
  display: flex;
  gap: 60px;
  width: max-content;
}

.stack__item {
  white-space: nowrap;
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
  font-size: var(--font-size-md);
  line-height: 130%;
  letter-spacing: 0%;
}

.container-advantages {
  position: relative;
}

.advantages {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
}

.advantages-back {
  position: absolute;
  top: 40%;
  right: 0;
  z-index: var(--z-negative);
}

.advantages__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

.advantages__card {
  background: linear-gradient(180deg, rgba(57, 57, 57, 0.373) 0%, rgba(0, 0, 0, 1) 100%);
  width: calc(30% - 94px);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px;
  width: var(--card-width);
  cursor: pointer;
  transition: all var(--transition-base) ease-in-out;
}

.img__wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 100%;
  overflow: hidden;
  min-width: 100px;
  min-height: 100px;
  transition: box-shadow var(--transition-base) ease;
}

.card__icon {
  position: absolute;
  transition: all var(--transition-base) ease-in-out;
}

.card__img {
  width: 100px;
  height: 100px;
  display: block;
}

.card__title {
  text-align: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-top: 35px;
  margin-bottom: 25px;
}

.card__subtitle {
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray);
}

.advantages__card:nth-child(1) .img__wrapper {
  box-shadow: 0 0 100px #3cf7c6;
}

.advantages__card:nth-child(2) .img__wrapper {
  box-shadow: 0 0 100px #bd75ff;
}

.advantages__card:nth-child(3) .img__wrapper {
  box-shadow: 0 0 100px #3cafdd;
}

.advantages__card:nth-child(4) .img__wrapper {
  box-shadow: 0 0 100px #a74fc1;
}

.advantages__card:nth-child(5) .img__wrapper {
  box-shadow: 0 0 100px #58c95c;
}

.advantages__card:nth-child(6) .img__wrapper {
  box-shadow: 0 0 100px #88b1e8;
}

.advantages__card:nth-child(1):hover {
  box-shadow: 0 -20px 40px rgba(60, 247, 198, 0.2);
}

.advantages__card:nth-child(2):hover {
  box-shadow: 0 -20px 40px rgba(189, 117, 255, 0.2);
}

.advantages__card:nth-child(3):hover {
  box-shadow: 0 -20px 40px rgba(60, 175, 221, 0.2);
}

.advantages__card:nth-child(4):hover {
  box-shadow: 0 -20px 40px rgba(167, 79, 193, 0.2);
}

.advantages__card:nth-child(5):hover {
  box-shadow: 0 -20px 40px rgba(88, 201, 92, 0.2);
}

.advantages__card:nth-child(6):hover {
  box-shadow: 0 -20px 40px rgba(136, 177, 232, 0.2);
}

.advantages__card:nth-child(1):hover .img__wrapper {
  box-shadow: 0 0 150px #3cf7c6;
}

.advantages__card:nth-child(2):hover .img__wrapper {
  box-shadow: 0 0 150px #bd75ff;
}

.advantages__card:nth-child(3):hover .img__wrapper {
  box-shadow: 0 0 150px #3cafdd;
}

.advantages__card:nth-child(4):hover .img__wrapper {
  box-shadow: 0 0 150px #a74fc1;
}

.advantages__card:nth-child(5):hover .img__wrapper {
  box-shadow: 0 0 150px #58c95c;
}

.advantages__card:nth-child(6):hover .img__wrapper {
  box-shadow: 0 0 150px #88b1e8;
}

.advantages__card:nth-child(1) { animation-delay: 0.1s; }
.advantages__card:nth-child(2) { animation-delay: 0.2s; }
.advantages__card:nth-child(3) { animation-delay: 0.3s; }
.advantages__card:nth-child(4) { animation-delay: 0.4s; }
.advantages__card:nth-child(5) { animation-delay: 0.5s; }
.advantages__card:nth-child(6) { animation-delay: 0.6s; }

.info {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(90deg, var(--gradient-purple-start) 0%, var(--gradient-purple-end) 100%);
}

.info-reverse-background {
  background: linear-gradient(90deg, #3d5afe31 0%, #d400f921 100%);
  color: var(--color-white);
}

.info__text {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-normal);
  line-height: 45px;
}


.form-container {
  position: relative;
  padding: var(--spacing-4xl) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) 0;
}

.form-image {
  width: 800px;
  opacity: 0.6;
}

.form-image-container {
  position: absolute;
  z-index: var(--z-negative);
  opacity: 0.3;
  top: 25%;
}

.form-message-container {
  margin: var(--spacing-xl) auto;
  max-width: 600px;
  animation: fadeIn var(--transition-smooth) ease;
}

.input {
  background: var(--color-gray-input);
  border: none;
  border-radius: 32px;
  padding: 12px var(--spacing-md);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  resize: none;
  width: 360px;
  transition: transform var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}

.input:focus {
  outline: none;
  background: var(--color-gray-input-focus);
  transform: scale(1.02);
  box-shadow: 0 0 0 2px rgba(0, 230, 118, 0.3);
}

.input.error {
  border-color: var(--color-error);
}

.label-text {
  font-size: var(--font-size-sm);
  margin: var(--spacing-sm) 0 6px var(--spacing-sm);
  color: var(--color-white);
}

.error-text {
  color: var(--color-error);
}

.submit-button {
  margin-top: var(--spacing-lg);
  color: var(--color-black);
  border: none;
  border-radius: 32px;
  padding: 12px var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-base) ease, box-shadow var(--transition-base) ease;
  width: 240px;
  background: linear-gradient(270.9deg, var(--gradient-cyan) 17.26%, var(--gradient-green) 83.53%);
}

.submit-button:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 30px rgba(0, 230, 118, 0.4);
}

.message-success,
.message-error {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  text-align: center;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  animation: slideInMessage var(--transition-smooth) ease;
}

.message-success {
  border-left: 4px solid var(--color-success);
}

.message-error {
  border-left: 4px solid var(--color-error-dark);
}

.message-icon {
  font-size: 64px;
  margin-bottom: var(--spacing-md);
}

.message-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-white);
}

.message-text {
  text-wrap: balance;
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-lg);
}

.message-button {
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  color: var(--color-white);
  border: none;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: 50px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base) ease;
  text-decoration: none;
  display: inline-block;
}

.message-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(106, 17, 203, 0.3);
}

.compare {
  padding: 60px var(--spacing-xl);
  background: #3752e6;
  background: linear-gradient(90deg, rgba(55, 82, 230, 1) 0%, rgba(17, 24, 68, 1) 100%);
}

.compare__table {
  max-width: 1100px;
}

.row {
  display: grid;
  grid-template-columns: 2.4fr 1fr 1fr 1fr;
  align-items: center;
  min-height: 64px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.row.header {
  text-align: center;
  border-bottom-color: var(--color-white);
}

.row.header .cell:first-child {
  text-align: left;
}

.cell {
  padding: 12px var(--spacing-xs);
}

.cell:not(:first-child) {
  text-align: center;
}

.dot {
  width: 14px;
  height: 14px;
  border-radius: var(--radius-circle);
  background: rgba(0, 255, 200, 0.25);
  display: inline-block;
}

.dot.active {
  background: #2dffd5;
  box-shadow: 0 0 8px rgba(45, 255, 213, 0.9), 0 0 20px rgba(45, 255, 213, 0.6);
}

.row__title,
.cell__title {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  color: var(--color-white);
}

.portfolio {
  padding: 118px 0;
}

.other {
  padding: 98px 0;
  background: #aec6d7;
  background: linear-gradient(90deg, rgba(174, 198, 215, 1) 0%, rgba(255, 255, 255, 1) 100%);
}

.other__wrapper {
  display: flex;
  justify-content: space-between;
}

.other__img {
  width: 562px;
  height: 562px;
  min-width: 562px;
  min-height: 562px;
}

.other__img img {
  width: 100%;
  height: 100%;
}

.other__img:hover img {
  transform: scale(1.02);
  filter: brightness(1.1);
}

.other__title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
}

.other__title span {
  color: var(--gradient-purple-end);
}

.other__subtitle {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 23px;
  margin: var(--spacing-lg) 0;
  text-wrap: balance;
  max-width: 90%;
}

.other__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding-inline-start: var(--spacing-xl);
  list-style: disc;
}

.other__list-item {
  font-size: var(--font-size-sm);
  line-height: 1.1;
  transition: all var(--transition-base) ease-in-out;
}

.why__us {
  padding: var(--spacing-4xl) 0;
  position: relative;
  overflow: hidden;
}

.why__us-back {
  right: -33%;
  top: -30%;
  width: 100%;
  height: 100%;
}

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

.us__unformation {
  max-width: 622px;
  margin-top: var(--spacing-2xl);
  position: relative;
}

.us__img {
  color: var(--gradient-green);
  margin-bottom: -50px;
}

.us__img:hover img {
  transform: scale(1.02);
  filter: brightness(1.1);
}

.us__title {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

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

.list__title,
.us__subtitle {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.us__subtitle {
  margin-top: var(--spacing-xs);
  color: var(--color-gray-light);
}

.professionals {
  padding: var(--spacing-3xl) 0;
  height: 400px;
  background-image: linear-gradient(90deg, rgba(0, 255, 0, 0.889) 0%, rgba(1, 194, 117, 0.5) 100%), url(./images/grid_room_vapor_01\ 1.webp);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.professionals__wrapper {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.professionals__info {
  flex-basis: 50%;
}

.professionals__title {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-5xl);
  line-height: 45px;
  margin-bottom: var(--spacing-xl);
}

.professionals__subtitle {
  font-size: var(--font-size-3xl);
  line-height: 35px;
  text-transform: uppercase;
}

.professionals__btn {
  width: 377px;
  max-width: 377px;
  cursor: pointer;
  height: max-content;
  background-color: var(--color-black);
  padding: var(--spacing-md) 110px;
  border-radius: var(--radius-xs);
  color: var(--color-white);
  border: none;
  font-size: var(--font-size-lg);
  text-align: center;
  white-space: nowrap;
  transition: all var(--transition-base) ease-in-out;
}

.professionals__btn:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 30px rgba(0, 230, 118, 0.4);
  background: var(--color-gray-dark);
}

.footer {
  padding: var(--spacing-md) 0;
}

.footer__wrapper {
  display: flex;
  justify-content: space-between;
  gap: 15%;
}

.footer__nav {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 20%;
}

.footer__logo {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  transition: all var(--transition-base) ease-in-out;
}

.nav__item {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.nav__link {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.nav__link a {
  color: var(--color-gray);
  transition: all var(--transition-base) ease-in-out;
}

.social__list {
  display: flex;
  gap: var(--spacing-md);
}

.social__item {
  width: 40px;
  height: 40px;
  border-radius: 100%;
  background-color: var(--color-white);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all var(--transition-base) ease-in-out;
}

.social__item img {
  width: 25px;
  height: 25px;
  margin-left: -2px;
}

.social__item:hover {
  transform: translateY(-5px) scale(1.1);
  background: var(--gradient-green) !important;
  box-shadow: 0 5px 20px rgba(0, 230, 118, 0.4);
}

.social__item:hover img {
  transition: transform var(--transition-smooth) ease;
}

.swiper-slide-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 0;
}

.swiper-slide {
  transition: all var(--transition-base) ease-in-out;
}

.swiper-button-next,
.swiper-button-prev {
  transition: all var(--transition-base) ease;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
  transform: scale(1.2);
}

.swiper-pagination-bullet {
  transition: all var(--transition-base) ease;
}

.swiper-pagination-bullet-active {
  transform: scale(1.2);
}

.progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  z-index: var(--z-progress);
}

.progress-bar {
  opacity: 0.5;
  height: 100%;
  width: 0%;
  background: #00ffd5;
  transition: width 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px rgba(0, 255, 209, 0.5);
}

.scroll-top {
  position: fixed;
  right: var(--spacing-lg);
  bottom: var(--spacing-lg);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid #00ffd5;
  background: rgba(0, 0, 0, 0.3);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: var(--z-scroll-top);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
  box-shadow: 0 0 15px #00ffd5, 0 0 30px rgba(0, 255, 213, 0.5);
}

.scroll-top svg {
  width: 24px;
  height: 24px;
}

.scroll-top svg path {
  stroke: #00ffd5;
  stroke-width: 2;
  transition: stroke var(--transition-base) ease;
}

.scroll-top:hover {
  background: #00ffd5;
  border-color: #00ffd5;
  box-shadow: 0 0 25px #00ffd5, 0 0 50px #00ffd5, 0 0 100px #00ffd5;
  transform: translateY(-8px) scale(1.1);
}

.scroll-top:hover svg path {
  stroke: var(--color-black);
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  animation: slideInUp var(--transition-smooth) ease forwards;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #00ffd5, #00b3ff);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  background-clip: content-box;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
  transition: all var(--transition-base) ease;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #00b3ff, #007bff);
}


@media (max-width: 768px) {
  .neon-border-btn {
    padding: 16px var(--spacing-md);
    font-size: var(--font-size-xs);
  }
  .message-success,
  .message-error {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .message-icon {
    font-size: 48px;
  }
  
  .message-title {
    font-size: var(--font-size-md);
  }
  
  .message-text {
    font-size: var(--font-size-xs);
  }
  
  .input {
    width: 300px;
  }
  
  .info__text {
    font-size: var(--font-size-xl);
    line-height: 1.2;
  }
  
  .info {
    padding: var(--spacing-2xl) 0;
  }
  
  .advantages__card {
    width: 100%;
  }
  
  .advantages {
    padding: var(--spacing-2xl) 0;
  }
  
  .promo__title {
    margin-bottom: var(--spacing-sm);
  }
  
  .promo__text {
    margin-bottom: var(--spacing-sm);
  }
  
  .circle {
    display: none;
  }
  
  .promo {
    overflow: hidden;
  }
  
  .header {
    height: 50px;
  }
  
  .container {
    overflow: hidden;
  }
  
  .professionals__btn {
    margin-top: var(--spacing-md);
  }
  
  .footer__wrapper {
    display: flex;
    flex-wrap: nowrap !important;
    align-items: center;
  }
  
  .social__list {
    gap: 0;
  }
  
  .professionals__wrapper {
    align-items: flex-start;
  }
  .banner-back {
    height: 600px;
    opacity: 0.5;
  }
  .no-hidden {
    overflow: unset;
  }
  .form-image {
    width: 100vw;
  }
  .form-container {
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
  }
}

main, section, header, footer, .container {
  position: relative;
  z-index: 2;
}

#starfield-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}