::selection {
  background: rgba(106, 248, 255, 0.35);
  color: #f7fdff;
}

:root {
  --bg: #07111f;
  --bg-deep: #030913;
  --panel: rgba(8, 20, 36, 0.68);
  --panel-strong: rgba(10, 23, 41, 0.82);
  --line: rgba(143, 234, 255, 0.16);
  --line-strong: rgba(143, 234, 255, 0.3);
  --text: #f4fbff;
  --muted: #9db2c6;
  --accent: #5df2ff;
  --accent-strong: #1fa5ff;
  --accent-alt: #00f0a8;
  --shadow: 0 32px 90px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(38, 116, 255, 0.32), transparent 30%),
    radial-gradient(circle at 80% 18%, rgba(0, 240, 168, 0.18), transparent 28%),
    radial-gradient(circle at 50% 100%, rgba(93, 242, 255, 0.16), transparent 35%),
    linear-gradient(180deg, #081220 0%, #040913 55%, #02050b 100%);
  overflow-x: hidden;
}

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

code {
  padding: 0.18rem 0.42rem;
  border-radius: 999px;
  border: 1px solid rgba(125, 244, 255, 0.22);
  background: rgba(125, 244, 255, 0.08);
  color: #d8fbff;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.96em;
}

button,
input,
textarea {
  font: inherit;
}

.background-canvas,
.background-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.background-canvas {
  z-index: 0;
}

.background-noise {
  z-index: 1;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 90%);
}

.page-shell {
  position: relative;
  z-index: 2;
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  background: rgba(7, 16, 29, 0.58);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.25);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: block;
  width: 58px;
  aspect-ratio: 1;
  flex-shrink: 0;
  padding: 4px;
  overflow: hidden;
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(20, 46, 83, 0.92), rgba(5, 15, 28, 0.92)),
    rgba(8, 20, 36, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 16px 34px rgba(13, 93, 255, 0.18);
}

.brand-mark__image {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 14px;
  object-fit: cover;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.8rem;
}

.topnav {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.topnav a {
  position: relative;
  color: var(--muted);
  font-size: 0.95rem;
}

.topnav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transition: transform 0.2s ease;
}

.topnav a:hover::after,
.topnav a:focus-visible::after {
  transform: scaleX(1);
}

.topbar-actions {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-left: auto;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 14px 26px rgba(3, 11, 20, 0.18);
  backdrop-filter: blur(14px);
}

.lang-switch__option {
  border: 0;
  min-width: 88px;
  padding: 10px 12px;
  border-radius: 14px;
  color: var(--muted);
  background: transparent;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform 0.22s ease,
    color 0.22s ease,
    background 0.22s ease,
    box-shadow 0.22s ease;
}

.lang-switch__option:hover,
.lang-switch__option:focus-visible {
  transform: translateY(-1px);
  color: var(--text);
  outline: none;
}

.lang-switch__option.is-active {
  color: #05141f;
  background: linear-gradient(135deg, #72f6ff 0%, #29d8ff 45%, #84ffca 100%);
  box-shadow:
    0 10px 24px rgba(41, 216, 255, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 18px;
  border: 1px solid transparent;
  font-weight: 600;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease,
    background 0.22s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button--small {
  padding: 11px 16px;
  border-radius: 14px;
  font-size: 0.92rem;
}

.button--primary {
  color: #03141f;
  background: linear-gradient(135deg, #72f6ff 0%, #29d8ff 45%, #84ffca 100%);
  box-shadow:
    0 16px 40px rgba(41, 216, 255, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.button--secondary,
.button--ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.button--secondary:hover,
.button--ghost:hover,
.button--secondary:focus-visible,
.button--ghost:focus-visible {
  border-color: rgba(93, 242, 255, 0.34);
  box-shadow:
    0 14px 26px rgba(3, 11, 20, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 40px;
  padding: 64px 0 52px;
}

.hero-copy {
  display: grid;
  gap: 24px;
  align-content: start;
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.76rem;
  font-weight: 700;
  border: 1px solid rgba(93, 242, 255, 0.22);
  background: rgba(93, 242, 255, 0.08);
}

.hero h1,
.section-heading h2,
.portable-banner h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  line-height: 1.02;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 6vw, 5.5rem);
  letter-spacing: -0.04em;
}

.hero-description,
.section-heading p,
.advantage-card p,
.feature-card p,
.story-box p,
.portable-banner p,
.footer p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.metric-card,
.advantage-card,
.feature-card,
.story-panel,
.portable-banner,
.footer {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(10, 22, 39, 0.72), rgba(6, 13, 24, 0.86));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.metric-card {
  padding: 18px 18px 20px;
  border-radius: 22px;
}

.metric-card strong,
.advantage-card h3,
.feature-card h3,
.story-box h3 {
  display: block;
  margin-bottom: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.02rem;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 620px;
}

.visual-shell {
  position: relative;
  width: min(100%, 540px);
  aspect-ratio: 0.93;
  display: grid;
  place-items: center;
  transform-style: preserve-3d;
}

.orbital-orbit,
.orbital-core,
.preview-window {
  position: absolute;
}

.orbital-orbit {
  border-radius: 50%;
  border: 1px solid rgba(93, 242, 255, 0.16);
  box-shadow: inset 0 0 30px rgba(93, 242, 255, 0.05);
}

.orbital-orbit--one {
  inset: 10% 4%;
  transform: rotateX(70deg) rotateZ(18deg);
  animation: orbit-float 16s linear infinite;
}

.orbital-orbit--two {
  inset: 20% 9%;
  transform: rotateX(73deg) rotateZ(-22deg);
  animation: orbit-float-reverse 21s linear infinite;
}

.orbital-core {
  width: 170px;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translateZ(40px);
}

.core-ring,
.core-glow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.core-ring {
  border: 1px solid rgba(93, 242, 255, 0.2);
  animation: pulse-ring 4.6s ease-in-out infinite;
}

.core-ring:nth-child(2) {
  inset: 16px;
  animation-delay: -1.2s;
}

.core-glow {
  inset: 28px;
  background:
    radial-gradient(circle at 45% 35%, rgba(255, 255, 255, 0.9), rgba(93, 242, 255, 0.55) 26%, rgba(31, 165, 255, 0.16) 66%, transparent 72%),
    radial-gradient(circle at center, rgba(0, 240, 168, 0.2), transparent 72%);
  box-shadow:
    0 0 80px rgba(93, 242, 255, 0.24),
    0 0 120px rgba(31, 165, 255, 0.16);
}

.preview-window {
  inset: auto 0 0;
  margin: 0 auto;
  width: min(100%, 510px);
  padding: 24px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(160deg, rgba(18, 39, 69, 0.7), rgba(8, 18, 31, 0.92)),
    rgba(8, 16, 29, 0.65);
  box-shadow:
    0 40px 80px rgba(2, 10, 18, 0.46),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  transform: rotateX(8deg) rotateY(-12deg) translateZ(20px);
  overflow: hidden;
}

.preview-window::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.12), transparent 35%),
    radial-gradient(circle at 80% 20%, rgba(93, 242, 255, 0.18), transparent 28%);
  pointer-events: none;
}

.preview-topline,
.preview-footer,
.story-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.preview-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 82px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #d8f7ff;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.preview-pill--live {
  color: #07151f;
  background: linear-gradient(135deg, #79f7ff, #7dffcc);
}

.preview-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
  margin-top: 24px;
}

.preview-panel {
  position: relative;
  padding: 18px;
  min-height: 124px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.preview-panel h2 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  font-family: "Space Grotesk", sans-serif;
}

.preview-panel p,
.preview-footer span,
.story-topline span {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.preview-panel--tall {
  grid-row: span 2;
}

.preview-fields {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  color: var(--muted);
  font-size: 0.78rem;
}

.preview-bars {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.preview-bars i {
  display: block;
  width: var(--size);
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(93, 242, 255, 0.26), rgba(93, 242, 255, 0.96));
  box-shadow: 0 0 24px rgba(93, 242, 255, 0.16);
}

.preview-panel--stage {
  display: grid;
  gap: 14px;
}

.preview-stage {
  position: relative;
  min-height: 130px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    radial-gradient(circle at center, rgba(93, 242, 255, 0.14), rgba(7, 18, 28, 0.85));
  background-size: 30px 30px, 30px 30px, auto;
}

.preview-target {
  position: absolute;
  top: 38%;
  left: 56%;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(93, 242, 255, 0.78);
  box-shadow: 0 0 24px rgba(93, 242, 255, 0.24);
  transform: translate(-50%, -50%);
  animation: preview-ripple 3.4s ease-out infinite;
}

.preview-target::before,
.preview-target::after {
  content: "";
  position: absolute;
  inset: 50%;
  background: rgba(125, 255, 204, 0.92);
  transform: translate(-50%, -50%);
}

.preview-target::before {
  width: 1px;
  height: 34px;
}

.preview-target::after {
  width: 34px;
  height: 1px;
}

.preview-target--secondary {
  top: 67%;
  left: 32%;
  width: 26px;
  height: 26px;
  animation-delay: -1.4s;
}

.section {
  padding: 44px 0;
}

.section-heading {
  display: grid;
  gap: 16px;
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading--narrow {
  max-width: 720px;
}

.section-heading h2,
.portable-banner h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.04em;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.advantage-card,
.feature-card {
  padding: 24px;
  border-radius: 24px;
}

.card-number {
  display: inline-flex;
  margin-bottom: 20px;
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.section--feature {
  padding-top: 52px;
}

.feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 22px;
  align-items: stretch;
}

.feature-stack {
  display: grid;
  gap: 16px;
}

.story-panel {
  padding: 24px;
  border-radius: 30px;
}

.story-screen {
  position: relative;
  display: grid;
  gap: 22px;
  padding: 24px;
  min-height: 100%;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 35%),
    radial-gradient(circle at top right, rgba(93, 242, 255, 0.14), transparent 30%),
    rgba(4, 11, 21, 0.62);
}

.story-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.story-box {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.story-wave {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  align-items: end;
  min-height: 132px;
}

.story-wave span {
  display: block;
  min-height: 40px;
  border-radius: 999px 999px 18px 18px;
  background: linear-gradient(180deg, rgba(125, 255, 204, 0.9), rgba(31, 165, 255, 0.32));
  box-shadow: 0 12px 35px rgba(17, 156, 255, 0.12);
  animation: wave-rise 3.4s ease-in-out infinite;
}

.story-wave span:nth-child(2) {
  animation-delay: -0.9s;
}

.story-wave span:nth-child(3) {
  animation-delay: -1.6s;
}

.story-wave span:nth-child(4) {
  animation-delay: -2.2s;
}

.section--portable {
  padding-top: 56px;
}

.portable-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 32px;
  border-radius: 32px;
}

.portable-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 40px;
  padding: 22px 26px;
  border-radius: 24px;
}

.footer a {
  color: var(--accent);
  font-weight: 600;
}

@keyframes orbit-float {
  from {
    transform: rotateX(70deg) rotateZ(0deg);
  }

  to {
    transform: rotateX(70deg) rotateZ(360deg);
  }
}

@keyframes orbit-float-reverse {
  from {
    transform: rotateX(73deg) rotateZ(360deg);
  }

  to {
    transform: rotateX(73deg) rotateZ(0deg);
  }
}

@keyframes pulse-ring {
  0%,
  100% {
    transform: scale(0.92);
    opacity: 0.3;
  }

  50% {
    transform: scale(1.08);
    opacity: 0.95;
  }
}

@keyframes preview-ripple {
  0% {
    opacity: 0.2;
    transform: translate(-50%, -50%) scale(0.72);
  }

  40% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.45);
  }
}

@keyframes wave-rise {
  0%,
  100% {
    min-height: 38px;
    opacity: 0.55;
  }

  50% {
    min-height: 118px;
    opacity: 1;
  }
}

@media (max-width: 1120px) {
  .hero,
  .feature-layout,
  .portable-banner,
  .footer {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 42px;
  }

  .hero h1 {
    max-width: 14ch;
  }

  .advantages-grid,
  .story-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .preview-window {
    transform: none;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 20px, 1200px);
    padding-top: 18px;
  }

  .topbar,
  .topnav,
  .topbar-actions,
  .portable-actions,
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar {
    gap: 18px;
  }

  .lang-switch {
    width: 100%;
    justify-content: space-between;
  }

  .lang-switch__option {
    min-width: 0;
    flex: 1;
  }

  .hero {
    gap: 26px;
    padding-bottom: 26px;
  }

  .hero-visual {
    min-height: 520px;
  }

  .preview-grid,
  .advantages-grid,
  .story-columns {
    grid-template-columns: 1fr;
  }

  .section-heading h2,
  .portable-banner h2 {
    font-size: clamp(1.8rem, 9vw, 2.8rem);
  }

  .story-panel,
  .portable-banner,
  .footer,
  .advantage-card,
  .feature-card,
  .metric-card {
    border-radius: 24px;
  }

  .footer {
    align-items: stretch;
  }
}