.contact-modal__content h3 {
  margin: 0;
}

.contact-modal__content p {
  margin: -0.35rem 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --color-bg: #060715;
  --color-bg-muted: #0d1024;
  --color-primary: #1f4fff;
  --color-primary-soft: rgba(31, 79, 255, 0.1);
  --color-text: #f4f6ff;
  --color-text-muted: #a0a5c0;
  --color-card: rgba(13, 16, 36, 0.8);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 20px 60px rgba(8, 16, 56, 0.35);
  --header-offset: 100px;
  --gradient-hero: radial-gradient(
      circle at 20% 20%,
      rgba(31, 79, 255, 0.4) 0%,
      rgba(6, 7, 21, 0) 60%
    ),
    radial-gradient(
      circle at 80% 0,
      rgba(31, 79, 255, 0.35) 0%,
      rgba(6, 7, 21, 0) 55%
    ),
    #060715;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  min-height: 100vh;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 5vw;
  background: rgba(6, 7, 21, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logo__symbol {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), #3f6cff);
  box-shadow: 0 10px 30px rgba(31, 79, 255, 0.4);
}

.nav {
  display: flex;
  gap: 1.75rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  overflow: visible;
}

.nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0;
  color: inherit;
  letter-spacing: 0.04em;
  font-weight: 500;
  transition: color 0.35s ease, transform 0.35s ease;
}

.nav a::before,
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  pointer-events: none;
}

.nav a::before {
  top: -0.6rem;
  bottom: -0.6rem;
  left: -0.9rem;
  right: -0.9rem;
  background: radial-gradient(
    140% 200% at 50% 95%,
    rgba(31, 79, 255, 0.45) 0%,
    rgba(31, 79, 255, 0.12) 45%,
    rgba(31, 79, 255, 0) 80%
  );
  border-radius: 24px;
  filter: blur(14px);
  opacity: 0;
  transform: translateY(40%) scale(0.8);
  transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav a::after {
  bottom: -0.65rem;
  height: 3px;
  background: linear-gradient(
    90deg,
    rgba(31, 79, 255, 0),
    var(--color-primary),
    rgba(31, 79, 255, 0)
  );
  opacity: 0;
  transform: scaleX(0.2);
  transform-origin: center;
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav a:hover {
  color: var(--color-text);
  transform: translateY(-2px);
}

.nav a:hover::before {
  opacity: 0.35;
  transform: translateY(0) scale(1);
}

.nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav a:focus-visible {
  color: var(--color-text);
  outline: none;
  transform: translateY(-2px);
}

.nav a:focus-visible::before,
.nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav a.active {
  color: var(--color-text);
  transform: translateY(-2px);
}

.nav a.active::before {
  opacity: 0.4;
  transform: translateY(0) scale(1.05);
}

.nav a.active::after {
  opacity: 1;
  transform: scaleX(1);
  box-shadow: 0 0 18px rgba(31, 79, 255, 0.45);
}

.language-switcher {
  display: inline-flex;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  padding: 0.2rem 0.4rem;
}

.language-switcher__current {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: none;
  background: transparent;
  color: var(--color-text);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.language-switcher__current:hover,
.language-switcher__current:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}

.language-switcher__value {
  letter-spacing: 0.08em;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 20px;
  height: 15px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 11;
  gap: 3px;
}

.menu-toggle__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.hero,
.section {
  scroll-margin-top: calc(var(--header-offset) + 32px);
}

.language-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 20;
}

.language-modal.active {
  visibility: visible;
  opacity: 1;
}

.language-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 7, 21, 0.8);
  backdrop-filter: blur(6px);
}

.language-modal__content {
  position: relative;
  width: min(420px, 100%);
  padding: 1.5rem;
  background: rgba(10, 12, 28, 0.95);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 1rem;
  text-align: center;
}

.language-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.language-modal__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.language-modal__hint {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.language-modal__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.language-option {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  border-radius: var(--radius-md);
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 70px;
  justify-content: center;
}

.language-option__flag {
  width: 24px;
  height: 18px;
  display: inline-block;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 2px;
  flex-shrink: 0;
}

.language-option--ru .language-option__flag {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 480'%3E%3Cg fill-rule='evenodd'%3E%3Cpath fill='%23fff' d='M0 0h640v480H0z'/%3E%3Cpath fill='%230039a6' d='M0 160h640v320H0z'/%3E%3Cpath fill='%23d52b1e' d='M0 320h640v160H0z'/%3E%3C/g%3E%3C/svg%3E");
}

.language-option--ky .language-option__flag {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 480'%3E%3Cpath fill='%23E8112D' d='M0 0h640v480H0z'/%3E%3Cg transform='translate(320,240)'%3E%3Ccircle r='110' fill='%23FFD700'/%3E%3Cg fill='none' stroke='%23E8112D' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M0-110 L0-88 M0 110 L0 88 M-110 0 L-88 0 M110 0 L88 0'/%3E%3Cpath d='M-78-78 L-62-62 M78-78 L62-62 M-78 78 L-62 62 M78 78 L62 62'/%3E%3Cpath d='M-55-95 L-44-76 M55-95 L44-76 M-55 95 L-44 76 M55 95 L44 76'/%3E%3Cpath d='M-95-55 L-76-44 M95-55 L76-44 M-95 55 L-76 44 M95 55 L76 44'/%3E%3Cpath d='M-38-105 L-30-84 M38-105 L30-84 M-38 105 L-30 84 M38 105 L30 84'/%3E%3Cpath d='M-105-38 L-84-30 M105-38 L84-30 M-105 38 L-84 30 M105 38 L84 30'/%3E%3Cpath d='M-20-108 L-15-86 M20-108 L15-86 M-20 108 L-15 86 M20 108 L15 86'/%3E%3Cpath d='M-108-20 L-86-15 M108-20 L86-15 M-108 20 L-86 15 M108 20 L86 15'/%3E%3Cpath d='M-66-88 L-53-70 M66-88 L53-70 M-66 88 L-53 70 M66 88 L53 70'/%3E%3Cpath d='M-88-66 L-70-53 M88-66 L70-53 M-88 66 L-70 53 M88 66 L70 53'/%3E%3Cpath d='M-47-101 L-38-81 M47-101 L38-81 M-47 101 L-38 81 M47 101 L38 81'/%3E%3Cpath d='M-101-47 L-81-38 M101-47 L81-38 M-101 47 L-81 38 M101 47 L81 38'/%3E%3Cpath d='M-28-107 L-22-85 M28-107 L22-85 M-28 107 L-22 85 M28 107 L22 85'/%3E%3Cpath d='M-107-28 L-85-22 M107-28 L85-22 M-107 28 L-85 22 M107 28 L85 22'/%3E%3C/g%3E%3Cg fill='%23E8112D'%3E%3Crect x='-30' y='-30' width='60' height='60' rx='2'/%3E%3Crect x='-25' y='-25' width='50' height='50' rx='2' fill='%23FFD700'/%3E%3Crect x='-20' y='-20' width='40' height='40' rx='2' fill='%23E8112D'/%3E%3Crect x='-15' y='-15' width='30' height='30' rx='2' fill='%23FFD700'/%3E%3Crect x='-10' y='-10' width='20' height='20' rx='2' fill='%23E8112D'/%3E%3Crect x='-6' y='-6' width='12' height='12' rx='1' fill='%23FFD700'/%3E%3Crect x='-3' y='-3' width='6' height='6' rx='1' fill='%23E8112D'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.language-option--en .language-option__flag {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 480'%3E%3Cpath fill='%23b22234' d='M0 0h640v480H0z'/%3E%3Cpath fill='%23fff' d='M0 0h640v37.9H0zM0 75.8h640V113.7H0zM0 151.6h640v37.9H0zM0 227.4h640v37.9H0zM0 303.2h640v37.9H0zM0 379h640v37.9H0z'/%3E%3Cpath fill='%23003f87' d='M0 0h256v264H0z'/%3E%3Cpath fill='%23fff' d='M0 0h256v26.4H0zM0 52.8h256v26.4H0zM0 105.6h256v26.4H0zM0 158.4h256v26.4H0zM0 211.2h256v26.4H0zM0 0h98.5v158.4H0z'/%3E%3Cpath fill='%23b22234' d='M0 26.4h98.5v26.4H0zM0 79.2h98.5v26.4H0zM0 132h98.5v26.4H0z'/%3E%3C/svg%3E");
}

.language-option--tr .language-option__flag {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 480'%3E%3Cpath fill='%23e30a17' d='M0 0h640v480H0z'/%3E%3Ccircle cx='240' cy='240' r='80' fill='%23fff'/%3E%3Ccircle cx='250' cy='240' r='65' fill='%23e30a17'/%3E%3Cpath d='m290 240-20-6.5 12.4-16.8-20.6 6.1L260 210l7.8 19.8-20.6-6.1 12.4 16.8-20 6.5 20 6.5-12.4 16.8 20.6-6.1L260 270l7.8-19.8 20.6 6.1L276 240l20-6.5z' fill='%23fff'/%3E%3C/svg%3E");
}

.language-option--zh .language-option__flag {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 480'%3E%3Cpath fill='%23de2910' d='M0 0h640v480H0z'/%3E%3Cpath fill='%23ffde00' d='m53 77.3 51.1 15.2c-1.2 2.4-3 4.6-5 6.5-2 1.9-4.2 3.5-6.5 4.8l15.2 51.1c-2.4 1.2-5 2.1-7.6 2.7-2.6.6-5.3.9-8 .9-2.7 0-5.4-.3-8-.9-2.6-.6-5.2-1.5-7.6-2.7l15.2-51.1c-2.3-1.3-4.5-2.9-6.5-4.8-2-1.9-3.8-4.1-5-6.5l51.1-15.2c-1.2-2.4-2.1-5-2.7-7.6-.6-2.6-.9-5.3-.9-8 0-2.7.3-5.4.9-8 .6-2.6 1.5-5.2 2.7-7.6L53 77.3c-1.2 2.4-3 4.6-5 6.5-2 1.9-4.2 3.5-6.5 4.8L35.3 37.5c-2.4-1.2-5-2.1-7.6-2.7-2.6-.6-5.3-.9-8-.9-2.7 0-5.4.3-8 .9-2.6.6-5.2 1.5-7.6 2.7l15.2 51.1c-2.3 1.3-4.5 2.9-6.5 4.8-2 1.9-3.8 4.1-5 6.5l51.1 15.2c1.2-2.4 2.1-5 2.7-7.6.6-2.6.9-5.3.9-8 0-2.7-.3-5.4-.9-8-.6-2.6-1.5-5.2-2.7-7.6z'/%3E%3C/svg%3E");
}

.language-option__text {
  letter-spacing: 0.08em;
}

.language-option:hover:not(:disabled),
.language-option:focus-visible:not(:disabled) {
  background: rgba(31, 79, 255, 0.18);
  border-color: rgba(31, 79, 255, 0.32);
  outline: none;
}

.language-option.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(31, 79, 255, 0.3);
}

.language-option:disabled {
  cursor: default;
  opacity: 0.6;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  min-height: 100vh;
  width: 100%;
  padding: calc(var(--header-offset) + 2rem) 5vw 4rem;
  gap: 2.5rem;
  background: var(--gradient-hero);
  align-items: center;
  align-content: center;
  overflow: hidden;
  margin-top: -80px;
}

.hero__content {
  display: grid;
  gap: 1.5rem;
  max-width: 520px;
  align-self: center;
  position: relative;
}

.hero__wordmark {
  display: block;
  margin: 0;
  font-weight: 700;
  font-size: clamp(4.5rem, 12vw, 7.5rem);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  background: linear-gradient(90deg, #ffffff 5%, #a7b6ff 48%, rgba(255, 255, 255, 0.5) 100%);
  -webkit-background-clip: text;
  color: transparent;
  text-shadow: 0 18px 45px rgba(45, 82, 255, 0.45);
  line-height: 1;
}

.hero__headline {
  margin: 0.1rem 0 0.3rem;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.hero__kicker {
  font-size: 0.95rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 3.6rem);
  line-height: 1.1;
  text-wrap: balance;
}

.hero__highlights {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.hero__highlights li {
  position: relative;
  padding-left: 2.8rem;
  font-size: 1.05rem;
  color: rgba(236, 240, 255, 0.9);
  line-height: 1.5;
}

.hero__highlights li::before,
.hero__highlights li::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform-origin: left center;
  border-radius: 999px;
}

.hero__highlights li::before {
  width: 1.1rem;
  height: 0.2rem;
  background: linear-gradient(90deg, rgba(36, 109, 255, 0) 0%, #3a9cff 35%, #7cbeff 100%);
  box-shadow: 0 0 14px rgba(58, 156, 255, 0.7);
  transform: translateY(-50%) rotate(45deg);
}

.hero__highlights li::after {
  width: 0.6rem;
  height: 0.2rem;
  background: linear-gradient(90deg, rgba(36, 109, 255, 0) 0%, #97d4ff 60%, #d8ecff 100%);
  box-shadow: 0 0 12px rgba(151, 212, 255, 0.65);
  transform: translate(0.65rem, -50%) rotate(-40deg);
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.85rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  pointer-events: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), #3f6cff);
  color: #fff;
  box-shadow: 0 16px 40px rgba(31, 79, 255, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
}

.btn--disabled-orange {
  background: linear-gradient(135deg, rgba(255, 153, 51, 0.85), rgba(214, 96, 0, 0.7));
  color: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 153, 51, 0.45);
  box-shadow: none;
  opacity: 0.7;
  filter: saturate(0.85);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: border-color 0.25s ease, box-shadow 0.25s ease,
    background-color 0.25s ease, color 0.25s ease;
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: rgba(46, 102, 255, 0.6);
  box-shadow: 0 0 18px rgba(46, 102, 255, 0.35);
  color: #f5f8ff;
}

.btn--secondary {
  background: rgba(31, 79, 255, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(31, 79, 255, 0.3);
}

.hero__visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
  isolation: isolate;
  perspective: 1400px;
  perspective-origin: center;
}

.neural-scene {
  position: relative;
  display: grid;
  place-items: center;
  transform-style: preserve-3d;
  transform: translate3d(var(--scene-translate-x, 0), var(--scene-translate-y, 0), 0)
    rotateX(var(--scene-rotate-x, 0)) rotateY(var(--scene-rotate-y, 0));
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.neural-scene.is-active {
  transition-duration: 0.35s;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(0);
  opacity: 0.75;
  pointer-events: none;
}

.hero__glow--one {
  width: clamp(320px, 45vw, 520px);
  height: clamp(320px, 45vw, 520px);
  background: radial-gradient(circle, rgba(31, 79, 255, 0.35), rgba(31, 79, 255, 0));
  animation: hero-glow 10s ease-in-out infinite;
}

.hero__glow--two {
  width: clamp(220px, 32vw, 360px);
  height: clamp(220px, 32vw, 360px);
  background: radial-gradient(circle, rgba(143, 170, 255, 0.32), rgba(31, 79, 255, 0));
  animation: hero-glow 14s ease-in-out infinite reverse;
}

.neural-sphere {
  position: relative;
  width: clamp(260px, 36vw, 360px);
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.4), rgba(48, 83, 255, 0.6) 55%, rgba(6, 8, 24, 0.95) 100%);
  box-shadow:
    0 40px 120px rgba(22, 36, 120, 0.65),
    inset 0 -18px 40px rgba(12, 18, 60, 0.6),
    0 0 80px rgba(31, 79, 255, 0.3),
    0 0 120px rgba(31, 79, 255, 0.15);
  overflow: visible;
  animation: neural-breathe 8s ease-in-out infinite;
  filter: drop-shadow(0 0 60px rgba(31, 79, 255, 0.4));
}

.neural-sphere__core {
  position: relative;
  width: 48%;
  height: 48%;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.95), rgba(160, 184, 255, 0.15));
  box-shadow: 
    0 0 40px rgba(168, 198, 255, 0.8),
    0 0 80px rgba(94, 132, 255, 0.5),
    inset 0 0 20px rgba(255, 255, 255, 0.3);
  filter: blur(0.3px);
  animation: neural-core-pulse 4s ease-in-out infinite;
  z-index: 3;
}

.neural-sphere__core-inner {
  width: 60%;
  height: 60%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 1), rgba(200, 220, 255, 0.2));
  box-shadow: 
    0 0 25px rgba(255, 255, 255, 0.9),
    inset 0 0 15px rgba(255, 255, 255, 0.5);
  animation: neural-core-inner-pulse 3s ease-in-out infinite;
}

.neural-sphere__core-glow {
  position: absolute;
  inset: -30%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.4), rgba(94, 132, 255, 0.2), transparent 70%);
  animation: neural-core-glow 2.5s ease-in-out infinite;
  pointer-events: none;
}

.neural-sphere__halo {
  position: absolute;
  inset: -8%;
  border-radius: 50%;
  border: 1px solid rgba(153, 183, 255, 0.25);
  box-shadow: 0 0 45px rgba(100, 140, 255, 0.35);
  animation: neural-halo-pulse 6s ease-in-out infinite;
  pointer-events: none;
}

.neural-sphere__halo--two {
  inset: -16%;
  border-width: 2px;
  border-color: rgba(88, 124, 255, 0.2);
  filter: blur(1px);
  animation-duration: 9s;
}

.neural-sphere__halo--three {
  inset: -24%;
  border-width: 1.5px;
  border-color: rgba(135, 171, 255, 0.18);
  filter: blur(1.5px);
  animation-duration: 12s;
  animation-direction: reverse;
}

.neural-sphere__pulse {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 92, 255, 0.35), rgba(53, 92, 255, 0));
  pointer-events: none;
}

.neural-sphere__pulse--one {
  inset: -28%;
  opacity: 0.45;
  animation: neural-pulse 8s ease-in-out infinite;
}

.neural-sphere__pulse--two {
  inset: -35%;
  opacity: 0.3;
  animation: neural-pulse 11s ease-in-out infinite;
  animation-delay: 1.5s;
}

.neural-sphere__energy-wave {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
}

.neural-sphere__energy-wave--one {
  inset: -20%;
  border: 2px solid rgba(94, 132, 255, 0.4);
  animation: energy-wave 6s ease-out infinite;
}

.neural-sphere__energy-wave--two {
  inset: -20%;
  border: 1px solid rgba(147, 174, 255, 0.35);
  animation: energy-wave 6s ease-out infinite;
  animation-delay: 3s;
}

.neural-sphere__orbit {
  position: absolute;
  inset: -22%;
  border-radius: 50%;
  border: 1px dashed rgba(123, 162, 255, 0.28);
  animation: orbit-rotate 18s linear infinite;
  pointer-events: none;
}

.neural-sphere__orbit--two {
  inset: -10%;
  border-style: solid;
  border-color: rgba(88, 124, 255, 0.35);
  animation-duration: 24s;
  animation-direction: reverse;
}

.neural-sphere__orbit--three {
  inset: -32%;
  border-style: dotted;
  border-color: rgba(135, 171, 255, 0.22);
  animation-duration: 32s;
}

.neural-sphere__orbit--four {
  inset: -18%;
  border-style: dashed;
  border-color: rgba(100, 140, 255, 0.25);
  border-width: 1px;
  animation-duration: 28s;
  animation-direction: reverse;
}

.neural-sphere__orbit::after {
  content: "";
  position: absolute;
  inset: 6%;
  border-radius: 50%;
  border: 1px solid rgba(49, 95, 255, 0.15);
}

.neural-sphere__orbit--four .neural-sphere__particle {
  width: 8px;
  height: 8px;
  top: 50%;
  right: -4px;
  left: auto;
  transform: translateY(-50%);
  animation-delay: 2.2s;
}

.neural-sphere__particle {
  position: absolute;
  width: 16px;
  height: 16px;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.85), rgba(94, 132, 255, 0.1));
  box-shadow:
    0 0 20px rgba(121, 162, 255, 0.8),
    0 0 40px rgba(54, 94, 255, 0.55);
  animation: particle-pulse 2.6s ease-in-out infinite;
}

.neural-sphere__orbit--two .neural-sphere__particle {
  width: 12px;
  height: 12px;
  top: auto;
  bottom: -6px;
  animation-delay: 0.8s;
}

.neural-sphere__orbit--three .neural-sphere__particle {
  width: 10px;
  height: 10px;
  top: 50%;
  left: -5px;
  transform: translateY(-50%);
  animation-delay: 1.6s;
}

.neural-particles {
  position: absolute;
  inset: -20% -10%;
  pointer-events: none;
}

.neural-particle {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.7), rgba(147, 174, 255, 0));
  box-shadow: 0 0 18px rgba(137, 170, 255, 0.55);
  animation: particle-float 8s ease-in-out infinite;
}

.neural-particle::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(circle, rgba(121, 162, 255, 0.35), rgba(121, 162, 255, 0));
  filter: blur(2px);
}

.neural-particle--one {
  top: 12%;
  left: 72%;
  animation-duration: 7s;
}

.neural-particle--two {
  bottom: 18%;
  right: 16%;
  animation-duration: 9s;
  animation-delay: 0.7s;
}

.neural-particle--three {
  top: 8%;
  left: 18%;
  animation-duration: 10s;
  animation-delay: 1.1s;
}

.neural-particle--four {
  bottom: 28%;
  left: 8%;
  animation-duration: 8s;
  animation-delay: 0.4s;
}

.neural-particle--five {
  top: 52%;
  right: 0;
  width: 12px;
  height: 12px;
  animation-duration: 11s;
  animation-delay: 1.6s;
}

.neural-particle--six {
  top: 35%;
  left: 5%;
  width: 9px;
  height: 9px;
  animation-duration: 9.5s;
  animation-delay: 2.1s;
}

.neural-particle--seven {
  bottom: 35%;
  right: 8%;
  width: 11px;
  height: 11px;
  animation-duration: 10.5s;
  animation-delay: 0.9s;
}

.neural-sphere__connections {
  position: absolute;
  inset: -20%;
  width: calc(100% + 40%);
  height: calc(100% + 40%);
  pointer-events: none;
  z-index: 1;
  overflow: visible;
}

.neural-connection {
  stroke: rgba(94, 132, 255, 0.4);
  stroke-width: 2;
  stroke-linecap: round;
  fill: none;
  filter: drop-shadow(0 0 3px rgba(94, 132, 255, 0.6));
  animation: neural-connection-pulse 3s ease-in-out infinite;
  vector-effect: non-scaling-stroke;
  transition: opacity 0.3s ease, stroke-opacity 0.3s ease;
}

.neural-connection--core {
  stroke: rgba(94, 132, 255, 0.4);
}

.neural-connection--core.neural-connection--one {
  stroke: rgba(121, 162, 255, 0.45);
  animation-delay: 0s;
}

.neural-connection--core.neural-connection--two {
  stroke: rgba(94, 132, 255, 0.4);
  animation-delay: 1s;
}

.neural-connection--core.neural-connection--three {
  stroke: rgba(147, 174, 255, 0.42);
  animation-delay: 2s;
}

.neural-connection--core.neural-connection--four {
  stroke: rgba(100, 140, 255, 0.38);
  animation-delay: 1.5s;
}

.neural-connection--particle {
  stroke: rgba(135, 171, 255, 0.35);
  stroke-width: 1.5;
  animation: neural-connection-pulse-particle 2.5s ease-in-out infinite;
}

.neural-connection--particle.neural-connection--orbit {
  stroke: rgba(147, 174, 255, 0.45);
  stroke-width: 1.8;
  animation: neural-connection-pulse-orbit 2s ease-in-out infinite;
  filter: drop-shadow(0 0 2px rgba(147, 174, 255, 0.5));
}

.neural-connection--particle.hidden {
  opacity: 0;
  stroke-opacity: 0;
  pointer-events: none;
}

.section {
  padding: 6rem 5vw;
}

.section--muted {
  background: var(--color-bg-muted);
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.section__header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
}

.section__header p {
  color: var(--color-text-muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem;
  grid-auto-rows: 1fr;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  padding: 2.6rem;
  height: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: radial-gradient(circle at top, rgba(31, 79, 255, 0.22), transparent 55%),
    linear-gradient(155deg, rgba(14, 16, 36, 0.96), rgba(7, 9, 22, 0.92));
  box-shadow: 0 30px 80px rgba(8, 12, 32, 0.45);
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 40px 100px rgba(12, 17, 45, 0.6);
  border-color: rgba(31, 79, 255, 0.25);
}

.card__tags {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.card__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.2s ease, color 0.2s ease;
}

.card__tag--beta {
  background: rgba(31, 79, 255, 0.2);
  color: var(--color-primary);
  border-color: rgba(31, 79, 255, 0.4);
}

.card__tag--soon {
  background: rgba(255, 167, 31, 0.18);
  color: #ffb347;
  border-color: rgba(255, 167, 31, 0.4);
}

.card__tag--free {
  background: rgba(70, 223, 160, 0.18);
  color: #6ff1c2;
  border-color: rgba(70, 223, 160, 0.4);
}

.card__title {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card__description {
  margin: 0;
  color: rgba(236, 240, 255, 0.75);
  line-height: 1.6;
  font-size: 0.98rem;
  text-wrap: pretty;
}

.card__action {
  margin-top: auto;
  align-self: flex-start;
  padding-inline: 1.8rem;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  z-index: 0;
}

.card__action::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(31, 79, 255, 0.5), rgba(111, 146, 255, 0.15));
  transform: translateY(120%);
  transition: transform 0.35s ease;
  z-index: -1;
}

.card__action:hover,
.card__action:focus-visible {
  border-color: rgba(31, 79, 255, 0.55);
  box-shadow: 0 18px 38px rgba(31, 79, 255, 0.35);
  color: #fff;
  transform: translateY(-1px);
}

.card__action:hover::after,
.card__action:focus-visible::after {
  transform: translateY(0);
}

.pricing {
  max-width: 960px;
  margin: 0 auto;
}

.pricing__toggle {
  display: inline-flex;
  padding: 0.25rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  margin: 0 auto 2.5rem;
}

.toggle-btn {
  border: none;
  padding: 0.7rem 1.8rem;
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-muted);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.toggle-btn.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 12px 30px rgba(31, 79, 255, 0.3);
}

.pricing__content {
  position: relative;
}

.pricing__panel {
  display: none;
}

.pricing__panel.active {
  display: block;
}

.pricing-card {
  position: relative;
  display: grid;
  gap: 0.8rem;
  padding: 1.9rem 2.1rem;
  background: linear-gradient(145deg, rgba(14, 16, 36, 0.95), rgba(10, 13, 30, 0.85));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-soft);
  text-align: center;
  min-height: 100%;
}

.pricing-card h3 {
  margin: 0;
  font-size: 1.45rem;
}

.pricing-tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.pricing-card__note {
  margin: 0 0 1.3rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  text-align: center;
}

.pricing-card--pro {
  position: relative;
  border: 1px solid rgba(31, 79, 255, 0.35);
  background: linear-gradient(
      155deg,
      rgba(31, 79, 255, 0.2),
      rgba(31, 79, 255, 0.08) 55%,
      rgba(10, 13, 30, 0.85) 100%
    ),
    linear-gradient(145deg, rgba(14, 16, 36, 0.95), rgba(10, 13, 30, 0.85));
  box-shadow: 0 20px 50px rgba(31, 79, 255, 0.25);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  right: 20px;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: 0 12px 35px rgba(31, 79, 255, 0.3);
}

.pricing-card__price {
  font-size: 2.1rem;
  font-weight: 700;
  margin: 0.45rem 0 0 0;
  color: #fff;
  line-height: 1;
}

.pricing-card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem 0;
  color: var(--color-text-muted);
  display: grid;
  gap: 0.75rem;
  text-align: left;
}

.pricing-card__list li {
  position: relative;
  padding-left: 2.6rem;
  line-height: 1.5;
}

.pricing-card__list li::before,
.pricing-card__list li::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform-origin: left center;
  border-radius: 999px;
}

.pricing-card__list li::before {
  width: 1.1rem;
  height: 0.2rem;
  background: linear-gradient(90deg, rgba(36, 109, 255, 0) 0%, #3a9cff 35%, #7cbeff 100%);
  box-shadow: 0 0 14px rgba(58, 156, 255, 0.7);
  transform: translateY(-50%) rotate(45deg);
}

.pricing-card__list li::after {
  width: 0.6rem;
  height: 0.2rem;
  background: linear-gradient(90deg, rgba(36, 109, 255, 0) 0%, #97d4ff 60%, #d8ecff 100%);
  box-shadow: 0 0 12px rgba(151, 212, 255, 0.65);
  transform: translate(0.4rem, -50%) rotate(-40deg);
}

.pricing-card .btn {
  margin-top: 0.2rem;
}

.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(140deg, rgba(12, 15, 32, 0.94), rgba(7, 9, 22, 0.9));
  padding: clamp(1.6rem, 4vw, 2.4rem) 0;
  box-shadow: 0 30px 90px rgba(9, 12, 30, 0.55);
  isolation: isolate;
}

.carousel::before,
.carousel::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(60px, 12vw, 140px);
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    to right,
    rgba(6, 7, 21, 0.9),
    rgba(6, 7, 21, 0.6),
    rgba(6, 7, 21, 0)
  );
}

.carousel::before {
  left: 0;
}

.carousel::after {
  right: 0;
  transform: scaleX(-1);
}

.carousel__track {
  display: flex;
  align-items: stretch;
  gap: clamp(1.6rem, 3vw, 2.6rem);
  padding: 0 clamp(4vw, 6vw, 6rem);
  animation: scroll 26s linear infinite;
  will-change: transform;
}

.carousel__item {
  --item-color: 98, 126, 255;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 1.2rem);
  flex: 0 0 clamp(210px, 21vw, 260px);
  min-height: clamp(96px, 14vw, 118px);
  padding: clamp(0.95rem, 2.2vw, 1.25rem) clamp(1.2rem, 3vw, 1.8rem);
  border-radius: calc(var(--radius-md) + 8px);
  background: linear-gradient(
      155deg,
      rgba(var(--item-color), 0.16),
      rgba(var(--item-color), 0.08) 40%,
      rgba(14, 18, 44, 0.85) 100%
    ),
    rgba(10, 12, 30, 0.75);
  border: 1px solid rgba(var(--item-color), 0.35);
  color: rgba(240, 244, 255, 0.92);
  font-weight: 600;
  font-size: clamp(0.82rem, 1.1vw, 0.95rem);
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: none;
  text-shadow: 0 5px 15px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  overflow: hidden;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.02),
    0 28px 70px rgba(12, 17, 45, 0.45);
  transition:
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.55s ease,
    border-color 0.55s ease,
    background 0.55s ease,
    color 0.35s ease,
    letter-spacing 0.35s ease;
}

.carousel__item::before {
  content: attr(data-label);
  display: grid;
  place-items: center;
  width: clamp(42px, 6vw, 54px);
  height: clamp(42px, 6vw, 54px);
  border-radius: 50%;
  font-size: clamp(0.78rem, 1vw, 0.92rem);
  letter-spacing: 0.12em;
  background: linear-gradient(
      145deg,
      rgba(var(--item-color), 0.55),
      rgba(var(--item-color), 0.18)
    ),
    rgba(31, 79, 255, 0.2);
  border: 1px solid rgba(var(--item-color), 0.45);
  color: #ffffff;
  box-shadow: 0 18px 45px rgba(var(--item-color), 0.35);
  transition:
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.55s ease,
    background 0.55s ease;
  flex-shrink: 0;
}

.carousel__item::after {
  content: "";
  position: absolute;
  inset: -55% -40%;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(var(--item-color), 0.45),
    rgba(var(--item-color), 0)
  );
  opacity: 0;
  transform: scale(0.75);
  transition: opacity 0.6s ease, transform 0.6s ease;
  z-index: -1;
}

.carousel__item:hover,
.carousel__item:focus-visible {
  transform: translateY(-14px) scale(1.045);
  border-color: rgba(var(--item-color), 0.65);
  background: linear-gradient(
      160deg,
      rgba(var(--item-color), 0.32),
      rgba(var(--item-color), 0.14) 45%,
      rgba(6, 8, 24, 0.9) 100%
    ),
    rgba(10, 12, 30, 0.8);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 45px 110px rgba(var(--item-color), 0.4);
  color: #ffffff;
  letter-spacing: 0.12em;
  outline: none;
}

.carousel__item:hover::before,
.carousel__item:focus-visible::before {
  transform: scale(1.12) rotate(-3deg);
  background: linear-gradient(
      135deg,
      rgba(var(--item-color), 0.85),
      rgba(255, 255, 255, 0.25)
    ),
    rgba(var(--item-color), 0.18);
  box-shadow: 0 32px 88px rgba(var(--item-color), 0.55);
}

.carousel__item:hover::after,
.carousel__item:focus-visible::after {
  opacity: 1;
  transform: scale(1);
}

.carousel__item:nth-child(6n + 1),
.carousel__item:nth-child(6n + 7) {
  --item-color: 108, 144, 255;
}

.carousel__item:nth-child(6n + 2),
.carousel__item:nth-child(6n + 8) {
  --item-color: 255, 126, 162;
}

.carousel__item:nth-child(6n + 3),
.carousel__item:nth-child(6n + 9) {
  --item-color: 82, 220, 190;
}

.carousel__item:nth-child(6n + 4),
.carousel__item:nth-child(6n + 10) {
  --item-color: 255, 181, 108;
}

.carousel__item:nth-child(6n + 5),
.carousel__item:nth-child(6n + 11) {
  --item-color: 150, 118, 255;
}

.carousel__item:nth-child(6n + 6),
.carousel__item:nth-child(6n + 12) {
  --item-color: 114, 164, 255;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.product-card {
  position: relative;
  padding: 3rem 1.6rem 1.6rem;
  background: linear-gradient(145deg, rgba(14, 16, 36, 0.94), rgba(10, 13, 30, 0.88));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 320px;
}

.product-card--interactive {
  position: relative;
  cursor: pointer;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  border-color: rgba(31, 79, 255, 0.12);
}

.product-card--interactive::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 20% 20%, rgba(71, 97, 255, 0.45), transparent 60%),
    radial-gradient(circle at 80% 30%, rgba(111, 145, 255, 0.4), transparent 65%);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.45s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 0;
  pointer-events: none;
}

.product-card--interactive:hover {
  transform: translateY(-10px);
  box-shadow: 0 45px 120px rgba(21, 34, 82, 0.65);
  border-color: rgba(94, 132, 255, 0.45);
}

.product-card--interactive:hover::before {
  opacity: 1;
  transform: scale(1);
}

.product-card--voice:hover::before,
.product-card--voice:focus-within::before,
.product-card--avatar:hover::before,
.product-card--avatar:focus-within::before {
  opacity: 1;
  transform: scale(1);
}

.product-card--interactive .product-card__media,
.product-card--interactive .chat-window,
.product-card--interactive .chat-bubble {
  position: relative;
  z-index: 1;
}

.product-card--interactive.is-animating .product-card__media {
  box-shadow: inset 0 0 0 1px rgba(111, 145, 255, 0.35), 0 18px 60px rgba(51, 88, 255, 0.35);
  background: linear-gradient(155deg, rgba(31, 79, 255, 0.18), rgba(12, 16, 36, 0.85));
}

.product-card--interactive.is-animating .product-card__cta {
  transform: translateY(-2px);
  box-shadow: 0 28px 80px rgba(42, 74, 255, 0.45);
  color: #ffffff;
}

.product-card__cta {
  position: relative;
  overflow: hidden;
  padding-inline: 2.1rem;
  border-radius: calc(var(--radius-md) + 2px);
  border: 1px solid rgba(98, 126, 255, 0.5);
  background:
    linear-gradient(135deg, rgba(31, 79, 255, 0.18), rgba(31, 79, 255, 0)) padding-box,
    linear-gradient(135deg, rgba(116, 146, 255, 0.85), rgba(38, 68, 255, 0.4)) border-box;
  color: #f6f8ff;
  letter-spacing: 0.04em;
  box-shadow: 0 16px 48px rgba(42, 74, 255, 0.35);
  transition: transform 0.35s ease, box-shadow 0.35s ease, color 0.35s ease;
  z-index: 1;
}

.product-card__cta::before {
  content: "";
  position: absolute;
  inset: -150%;
  background: conic-gradient(
    from 90deg,
    rgba(94, 132, 255, 0),
    rgba(94, 132, 255, 0.75),
    rgba(179, 200, 255, 0),
    rgba(94, 132, 255, 0.75),
    rgba(94, 132, 255, 0)
  );
  animation: gradient-orbit 6s linear infinite;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -2;
}

.product-card__cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(31, 79, 255, 0.4));
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: -1;
}

.card .btn,
.card button.btn {
  margin-top: auto;
  width: 100%;
  align-self: stretch;
}

.product-card .btn {
  margin-top: auto;
  align-self: stretch;
  width: 100%;
}

.pricing-card .btn {
  width: 100%;
  justify-self: stretch;
}

.product-card h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.product-card p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(236, 240, 255, 0.75);
  line-height: 1.5;
}

.product-card .card__tags {
  position: absolute;
  top: 0;
  left: 70%;
  transform: translate(-50%, -50%);
  box-shadow: 0 12px 32px rgba(12, 18, 48, 0.36);
  z-index: 2;
}

.product-card .card__tag {
  border: none;
  box-shadow: none;
}

.product-card--interactive:hover .product-card__cta,
.product-card__cta:hover,
.product-card__cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 28px 80px rgba(42, 74, 255, 0.45);
  color: #ffffff;
}

.product-card--interactive:hover .product-card__cta::before,
.product-card__cta:hover::before,
.product-card__cta:focus-visible::before {
  opacity: 1;
}

.product-card--interactive:hover .product-card__cta::after,
.product-card__cta:hover::after,
.product-card__cta:focus-visible::after {
  opacity: 0.55;
}

.product-card__media {
  position: relative;
  border-radius: var(--radius-md);
  background: rgba(31, 79, 255, 0.1);
  padding: 1.2rem;
  min-height: 190px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.4s ease, box-shadow 0.4s ease, transform 0.35s ease;
}

.product-card:hover .product-card__media,
.product-card:focus-within .product-card__media {
  box-shadow: inset 0 0 0 1px rgba(111, 145, 255, 0.35), 0 18px 60px rgba(51, 88, 255, 0.35);
  background: linear-gradient(155deg, rgba(31, 79, 255, 0.18), rgba(12, 16, 36, 0.85));
}

.chat-window {
  display: grid;
  gap: 0.7rem;
  width: 100%;
}

.chat-window[data-typing="true"] {
  filter: saturate(1.15);
}

.chat-bubble {
  padding: 0.8rem 1rem;
  border-radius: 16px;
  max-width: 80%;
  font-size: 0.95rem;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-width: var(--bubble-fixed-width, auto);
  min-height: var(--bubble-fixed-height, auto);
}

.chat-bubble--user {
  background: rgba(255, 255, 255, 0.12);
  justify-self: flex-end;
}

.chat-bubble--ai {
  background: rgba(31, 79, 255, 0.2);
  border: 1px solid rgba(31, 79, 255, 0.3);
  justify-self: flex-start;
}

.chat-bubble__text {
  display: inline-block;
}

.chat-bubble.is-typing {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(31, 79, 255, 0.28);
}

.chat-bubble.is-typing::after {
  content: none;
}

.audio-wave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  height: 120px;
  width: 100%;
  max-width: 220px;
}

.audio-wave span {
  display: block;
  width: 7px;
  height: 42px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(110, 150, 255, 0.92), rgba(27, 64, 255, 0.8));
  animation: voice-bar var(--voice-duration, 1.1s) ease-in-out infinite;
  animation-play-state: paused;
  transform-origin: bottom center;
  opacity: 0.92;
  box-shadow: 0 12px 28px rgba(45, 90, 255, 0.35);
}

.audio-transcript {
  text-align: center;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

.product-card--voice {
  position: relative;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.product-card--voice {
  position: relative;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.product-card--voice {
  cursor: pointer;
}

.product-card--voice .product-card__media {
  display: grid;
  gap: 1rem;
  place-items: center;
}

.product-card--voice.is-voice-active {
  transform: translateY(-6px);
  box-shadow: 0 38px 95px rgba(15, 27, 68, 0.6);
  border-color: rgba(31, 79, 255, 0.3);
}

.product-card--voice.is-voice-active::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 20% 20%, rgba(71, 97, 255, 0.45), transparent 60%),
    radial-gradient(circle at 80% 30%, rgba(111, 145, 255, 0.4), transparent 65%);
  opacity: 1;
  transform: scale(1);
  z-index: 0;
  transition: opacity 0.45s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.product-card--voice::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 20% 20%, rgba(71, 97, 255, 0.45), transparent 60%),
    radial-gradient(circle at 80% 30%, rgba(111, 145, 255, 0.4), transparent 65%);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.45s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 0;
  pointer-events: none;
}

.product-card--voice.is-voice-active .product-card__media,
.product-card--voice.is-voice-active .audio-wave,
.product-card--voice.is-voice-active .audio-wave span,
.product-card--voice.is-voice-active .audio-transcript,
.product-card--voice.is-voice-active .btn {
  position: relative;
  z-index: 1;
}

.product-card--voice.is-voice-active .audio-wave span {
  animation-play-state: running;
}

.product-card--voice.is-voice-active .audio-transcript {
  color: #dbe6ff;
}

.product-card--avatar {
  position: relative;
  cursor: pointer;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.product-card--avatar::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 20% 20%, rgba(71, 97, 255, 0.45), transparent 60%),
    radial-gradient(circle at 80% 30%, rgba(111, 145, 255, 0.4), transparent 65%);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.45s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 0;
  pointer-events: none;
}


.product-card--avatar.is-avatar-active {
  transform: translateY(-6px);
  box-shadow: 0 45px 120px rgba(21, 34, 82, 0.65);
  border-color: rgba(31, 79, 255, 0.3);
}

.product-card--avatar.is-avatar-active::before {
  opacity: 1;
  transform: scale(1);
}

.product-card--avatar.is-avatar-active .btn {
  transform: translateY(-2px);
  box-shadow: 0 28px 80px rgba(42, 74, 255, 0.45);
  color: #ffffff;
}

.product-card--avatar.is-avatar-active .avatar-image {
  opacity: 0;
  transform: scale(0.95);
}

.product-card--avatar.is-avatar-active .avatar-video {
  opacity: 1;
}

.avatar-frame {
  position: relative;
  width: 100%;
  height: 190px;
  border-radius: var(--radius-md);
  background: radial-gradient(
    circle at center,
    rgba(31, 79, 255, 0.3),
    rgba(6, 7, 21, 0.7)
  );
  overflow: hidden;
  display: grid;
  place-items: center;
}

.avatar-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.avatar-image {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
  display: block;
  align-self: stretch;
  justify-self: stretch;
  box-shadow: 0 15px 30px rgba(31, 79, 255, 0.25);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.footer {
  position: relative;
  margin-top: auto;
  padding: 4rem 5vw 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: radial-gradient(120% 140% at 10% -10%, rgba(31, 79, 255, 0.16), transparent),
    radial-gradient(100% 120% at 90% 10%, rgba(129, 166, 255, 0.12), transparent),
    rgba(6, 7, 21, 0.92);
  color: var(--color-text-muted);
  overflow: hidden;
}

.footer__glow {
  position: absolute;
  width: clamp(320px, 40vw, 520px);
  height: clamp(320px, 40vw, 520px);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(0);
  opacity: 0.4;
  background: radial-gradient(circle, rgba(64, 104, 255, 0.28), rgba(64, 104, 255, 0));
  mix-blend-mode: screen;
}

.footer__glow--one {
  top: -40%;
  left: -18%;
}

.footer__glow--two {
  bottom: -45%;
  right: -20%;
  background: radial-gradient(circle, rgba(120, 148, 255, 0.2), rgba(120, 148, 255, 0));
}

.footer__content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.footer__brand {
  display: grid;
  gap: 1.4rem;
  max-width: 360px;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.footer__logo-symbol {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(31, 79, 255, 0.88), rgba(99, 142, 255, 0.9));
  box-shadow: 0 18px 45px rgba(31, 79, 255, 0.45);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.footer__logo-text {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
}

.footer__description {
  margin: 0;
  color: rgba(244, 246, 255, 0.75);
  line-height: 1.7;
}

.footer__section-title {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}

.footer__contacts {
  display: grid;
  gap: 1rem;
}

.footer__news {
  display: grid;
  gap: 1.4rem;
}

.footer-news {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: 1fr;
}

.footer-news-card {
  position: relative;
  display: block;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(18, 22, 45, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 16px 40px rgba(12, 16, 36, 0.35);
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.3s ease, border-color 0.25s ease;
  color: inherit;
}

.footer-news-card:hover,
.footer-news-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 24px 60px rgba(22, 36, 120, 0.45);
  border-color: rgba(104, 144, 255, 0.35);
  outline: none;
}

.footer-news-card__content {
  display: grid;
  gap: 0.5rem;
  padding: 1.1rem 1.2rem 1.25rem;
}

.footer-news-card__meta {
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(198, 206, 236, 0.55);
}

.footer-news-card__title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: rgba(245, 247, 255, 0.92);
}

.footer-news-card__description {
  margin: 0;
  font-size: 0.82rem;
  color: rgba(214, 220, 245, 0.7);
  line-height: 1.45;
}

.footer-item {
  position: relative;
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 40px rgba(12, 16, 36, 0.35);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.35s ease,
    background 0.35s ease;
  color: inherit;
  text-decoration: none;
}

.footer-item:hover,
.footer-item:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(96, 138, 255, 0.45);
  background: rgba(31, 79, 255, 0.12);
  box-shadow: 0 28px 60px rgba(22, 36, 120, 0.45);
  outline: none;
}

.footer-item__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(31, 79, 255, 0.18);
  color: rgba(147, 174, 255, 0.95);
  flex-shrink: 0;
}

.footer-item__icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.footer-item__body {
  display: grid;
  gap: 0.25rem;
}

.footer-item__label {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(190, 198, 230, 0.75);
}

.footer-item__value {
  font-size: 0.98rem;
  color: rgba(244, 246, 255, 0.95);
}

.footer-item__value--stack {
  display: grid;
  gap: 0.2rem;
}

.footer-item__value a {
  color: inherit;
  text-decoration: none;
}

.footer-item__value a:hover,
.footer-item__value a:focus-visible {
  text-decoration: underline;
}

.footer__links {
  display: grid;
  gap: 0.65rem;
  align-content: start;
}

.footer-link {
  color: rgba(200, 205, 230, 0.78);
  font-size: 0.95rem;
  transition: color 0.25s ease, transform 0.25s ease;
}

.footer-link:hover,
.footer-link:focus-visible {
  color: #fff;
  transform: translateX(2px);
  outline: none;
}

.footer__bottom {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.footer__copy {
  font-size: 0.45rem;
  color: rgba(200, 205, 230, 0.7);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-block;
}

.contact-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.contact-modal.active {
  visibility: visible;
  opacity: 1;
}

.contact-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 7, 21, 0.8);
  backdrop-filter: blur(6px);
}

.contact-modal__content {
  position: relative;
  width: min(480px, 100%);
  padding: 2.5rem;
  background: rgba(10, 12, 28, 0.95);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 1.2rem;
}

.contact-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.contact-modal__header h3 {
  margin: 0;
}

.contact-modal__close {
  position: static;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.1);
  cursor: pointer;
  flex-shrink: 0;
}

.contact-modal__content p {
  margin: -0.35rem 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
}

.contact-form {
  display: grid;
  gap: 1.4rem;
}

.contact-form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
}

.contact-field {
  display: grid;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.contact-field--full {
  grid-column: 1 / -1;
}

.contact-modal__form-wrapper {
  display: grid;
  gap: 1.2rem;
}

.contact-modal__success {
  display: grid;
  gap: 1.5rem;
  text-align: center;
  padding: 1rem 0;
}

.contact-modal__success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), #3f6cff);
  color: #fff;
  font-size: 2rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(31, 79, 255, 0.4);
}

.contact-modal__success h3 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--color-text);
}

.contact-modal__success p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
  line-height: 1.6;
}

.contact-form__hint {
  margin: 0;
  padding: 0.85rem 1rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.78);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(
      135deg,
      rgba(31, 79, 255, 0.15),
      rgba(31, 79, 255, 0.05) 35%,
      rgba(255, 255, 255, 0.04) 100%
    ),
    rgba(10, 12, 28, 0.9);
  backdrop-filter: blur(6px);
  box-shadow: 0 8px 30px rgba(12, 20, 60, 0.35);
}

.contact-form__hint::before {
  content: "";
  position: absolute;
  width: 180%;
  height: 220%;
  top: -60%;
  left: -40%;
  background:
    radial-gradient(circle at 20% 20%, rgba(85, 135, 255, 0.45) 0%, rgba(85, 135, 255, 0) 65%),
    radial-gradient(circle at 80% 30%, rgba(120, 70, 255, 0.4) 0%, rgba(120, 70, 255, 0) 60%),
    radial-gradient(circle at 45% 80%, rgba(255, 155, 255, 0.3) 0%, rgba(255, 155, 255, 0) 55%);
  filter: blur(42px);
  opacity: 0.8;
  z-index: -2;
  animation: hint-wave-shift 15s ease-in-out infinite alternate;
}

.contact-form__hint::after {
  content: "";
  position: absolute;
  inset: -15%;
  border-radius: inherit;
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0.14) 0%,
    rgba(255, 255, 255, 0.02) 35%,
    rgba(255, 255, 255, 0.22) 100%
  );
  opacity: 0.35;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: -1;
  animation: hint-glimmer 6s ease-in-out infinite;
}

@keyframes hint-wave-shift {
  0% {
    transform: translate3d(-12%, -8%, 0) scale(0.95) rotate(0deg);
    opacity: 0.72;
  }
  40% {
    transform: translate3d(6%, 4%, 0) scale(1.05) rotate(10deg);
    opacity: 0.85;
  }
  60% {
    transform: translate3d(-4%, 8%, 0) scale(1.08) rotate(-6deg);
    opacity: 0.78;
  }
  100% {
    transform: translate3d(4%, -6%, 0) scale(1) rotate(6deg);
    opacity: 0.82;
  }
}

@keyframes hint-glimmer {
  0% {
    transform: translateX(-20%) skewX(-4deg);
    opacity: 0.25;
  }
  50% {
    transform: translateX(0%) skewX(0deg);
    opacity: 0.4;
  }
  100% {
    transform: translateX(20%) skewX(5deg);
    opacity: 0.22;
  }
}

.contact-form input,
.contact-form textarea {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  background: rgba(10, 12, 28, 0.8);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(31, 79, 255, 0.25);
  outline: none;
}

@media (max-width: 540px) {
  .contact-form__row {
    grid-template-columns: 1fr;
  }
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes wave {
  0%,
  100% {
    transform: scaleY(0.3);
  }
  50% {
    transform: scaleY(1);
  }
}

@keyframes voice-bar {
  0%,
  100% {
    transform: scaleY(var(--voice-level-0, 0.35));
  }
  18% {
    transform: scaleY(var(--voice-level-1, 1.1));
  }
  36% {
    transform: scaleY(var(--voice-level-2, 0.6));
  }
  58% {
    transform: scaleY(var(--voice-level-3, 1.25));
  }
  78% {
    transform: scaleY(var(--voice-level-4, 0.45));
  }
}

@keyframes pulse {
  0% {
    transform: scale(0.9);
    opacity: 0.7;
  }
  70% {
    transform: scale(1.2);
    opacity: 0;
  }
  100% {
    transform: scale(0.9);
    opacity: 0;
  }
}

@keyframes gradient-orbit {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes hero-glow {
  0%,
  100% {
    transform: scale(0.95) translateY(0);
    opacity: 0.65;
  }
  50% {
    transform: scale(1.05) translateY(-12px);
    opacity: 0.85;
  }
}

@keyframes neural-breathe {
  0%,
  100% {
    transform: scale(0.96);
    box-shadow:
      0 30px 90px rgba(22, 36, 120, 0.45),
      inset 0 -18px 40px rgba(12, 18, 60, 0.55),
      0 0 80px rgba(31, 79, 255, 0.25),
      0 0 120px rgba(31, 79, 255, 0.1);
    filter: drop-shadow(0 0 50px rgba(31, 79, 255, 0.35));
  }
  50% {
    transform: scale(1.02);
    box-shadow:
      0 50px 130px rgba(22, 36, 120, 0.65),
      inset 0 -10px 28px rgba(20, 32, 90, 0.65),
      0 0 100px rgba(31, 79, 255, 0.4),
      0 0 150px rgba(31, 79, 255, 0.2);
    filter: drop-shadow(0 0 70px rgba(31, 79, 255, 0.5));
  }
}

@keyframes neural-core-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
    box-shadow: 
      0 0 40px rgba(168, 198, 255, 0.8),
      0 0 80px rgba(94, 132, 255, 0.5),
      inset 0 0 20px rgba(255, 255, 255, 0.3);
  }
  45% {
    transform: scale(1.12);
    opacity: 0.95;
    box-shadow: 
      0 0 60px rgba(168, 198, 255, 1),
      0 0 120px rgba(94, 132, 255, 0.7),
      inset 0 0 30px rgba(255, 255, 255, 0.5);
  }
}

@keyframes neural-halo-pulse {
  0%,
  100% {
    transform: scale(0.98);
    opacity: 0.55;
  }
  50% {
    transform: scale(1.04);
    opacity: 0.85;
  }
}

@keyframes neural-pulse {
  0%,
  100% {
    transform: scale(0.85);
    opacity: 0.35;
  }
  48% {
    transform: scale(1.05);
    opacity: 0.6;
  }
}

@keyframes orbit-rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes particle-pulse {
  0%,
  100% {
    transform: scale(0.9);
    opacity: 0.85;
  }
  50% {
    transform: scale(1.15);
    opacity: 1;
  }
}

@keyframes particle-float {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(0.9);
    opacity: 0.7;
  }
  50% {
    transform: translate3d(6px, -18px, 0) scale(1.05);
    opacity: 1;
  }
}

@keyframes neural-core-inner-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
    box-shadow: 
      0 0 25px rgba(255, 255, 255, 0.9),
      inset 0 0 15px rgba(255, 255, 255, 0.5);
  }
  50% {
    transform: scale(1.15);
    opacity: 0.95;
    box-shadow: 
      0 0 35px rgba(255, 255, 255, 1),
      inset 0 0 20px rgba(255, 255, 255, 0.7);
  }
}

@keyframes neural-core-glow {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.9;
  }
}

@keyframes energy-wave {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  20% {
    opacity: 0.6;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

@keyframes neural-connection-pulse {
  0%,
  100% {
    stroke-opacity: 0.35;
    stroke-width: 1.8;
  }
  50% {
    stroke-opacity: 0.65;
    stroke-width: 2.2;
  }
}

@keyframes neural-connection-pulse-particle {
  0%,
  100% {
    stroke-opacity: 0.25;
    stroke-width: 1.2;
  }
  50% {
    stroke-opacity: 0.5;
    stroke-width: 1.6;
  }
}

@keyframes neural-connection-pulse-orbit {
  0%,
  100% {
    stroke-opacity: 0.35;
    stroke-width: 1.6;
  }
  50% {
    stroke-opacity: 0.6;
    stroke-width: 2;
  }
}


@media (max-width: 900px) {
  .menu-toggle {
    display: flex;
  }

  .header {
    flex-wrap: nowrap;
    gap: 1rem;
    position: relative;
  }

  body.menu-open::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(6, 7, 21, 0.7);
    backdrop-filter: blur(4px);
    opacity: 1;
    visibility: visible;
    z-index: 9;
    pointer-events: auto;
    animation: fadeIn 0.3s ease;
  }

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

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    background: rgba(6, 7, 21, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    overflow-y: auto;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav a {
    width: 100%;
    padding: 1rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transform: none;
  }

  .nav a::before,
  .nav a::after {
    display: none;
  }

  .nav a:hover,
  .nav a:focus-visible {
    transform: translateX(8px);
    color: var(--color-text);
  }

  .nav a.active {
    transform: translateX(8px);
    color: var(--color-text);
    border-left: 3px solid var(--color-primary);
    padding-left: 1rem;
  }

  .language-switcher {
    margin-left: auto;
  }

  .hero {
    padding-top: 4rem;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }
}

@media (max-width: 600px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero__wordmark {
    font-size: clamp(3.4rem, 16vw, 5.2rem);
    letter-spacing: 0.18em;
  }

  .hero__highlights li {
    padding-left: 2.4rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .carousel__track {
    padding-inline: clamp(1.2rem, 6vw, 2.2rem);
    gap: clamp(1.1rem, 5vw, 1.8rem);
  }

  .carousel__item {
    flex-basis: clamp(180px, 68vw, 220px);
    min-height: 92px;
    padding: 0.9rem 1.2rem;
    letter-spacing: 0.06em;
  }

  .carousel__item::before {
    width: clamp(38px, 12vw, 46px);
    height: clamp(38px, 12vw, 46px);
    font-size: clamp(0.72rem, 3.6vw, 0.82rem);
  }

  .pricing-card {
    padding: 2rem;
  }

  .footer {
    padding: 3.5rem 1.75rem 2rem;
  }

  .footer__content {
    gap: 2rem;
  }

  .footer-news {
    grid-template-columns: 1fr;
  }
}