:root {
  color-scheme: dark;
  --bg: #09090b;
  --bg-deep: #030306;
  --panel: rgba(18, 18, 22, 0.72);
  --panel-strong: rgba(25, 25, 31, 0.86);
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #fafafa;
  --muted: #a1a1aa;
  --soft: #d4d4d8;
  --accent: #f4f4f5;
  --blue: #5aa7ff;
  --teal: #7fffd4;
  --violet: #a78bfa;
  --shadow: rgba(0, 0, 0, 0.42);
  font-family: "Noto Sans SC", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.16), transparent 9rem),
    radial-gradient(circle at 80% 8%, rgba(90, 167, 255, 0.12), transparent 18rem),
    radial-gradient(circle at 18% 78%, rgba(127, 255, 212, 0.08), transparent 16rem),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  letter-spacing: 0;
  overflow-x: hidden;
}

body::before,
body::after {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
}

body::before {
  opacity: 0.58;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.95) 0 1px, transparent 1.5px),
    radial-gradient(circle, rgba(255, 255, 255, 0.55) 0 1px, transparent 1.5px);
  background-position: 0 0, 48px 72px;
  background-size: 120px 120px, 180px 180px;
  mask-image: linear-gradient(180deg, black 0%, black 62%, transparent 100%);
}

body::after {
  z-index: -1;
  background:
    radial-gradient(ellipse at 50% 28%, rgba(255, 255, 255, 0.2), transparent 6rem),
    radial-gradient(ellipse at 50% 28%, rgba(255, 255, 255, 0.08), transparent 15rem);
}

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

button {
  font: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 66px;
  padding: env(safe-area-inset-top, 0) 0 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, rgba(9, 9, 11, 0.62), rgba(9, 9, 11, 0.18));
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-wordmark {
  display: block;
  width: clamp(148px, 18vw, 220px);
  height: auto;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-toggle {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(44px, 1fr));
  align-items: center;
  height: 40px;
  padding: 3px;
  border: 1px solid rgba(82, 82, 91, 0.78);
  border-radius: 9px;
  background: rgba(9, 9, 11, 0.72);
}

.lang-button {
  height: 32px;
  min-width: 44px;
  padding: 0 11px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  transition: color 160ms ease, background 160ms ease;
}

.lang-button.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid rgb(63, 63, 70);
  border-radius: 8px;
  color: #f4f4f5;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: border-color 160ms ease, background 160ms ease;
}

.nav-link:hover {
  border-color: rgb(82, 82, 91);
  background: rgba(255, 255, 255, 0.05);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 470px);
  gap: clamp(34px, 6vw, 82px);
  align-items: center;
  min-height: calc(100svh - 66px);
  padding: clamp(54px, 9vw, 110px) 0 clamp(36px, 6vw, 82px);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 16px;
  color: #e4e4e7;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 780px;
  margin: 0;
  color: #ffffff;
  font-size: clamp(42px, 6.1vw, 76px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: 0;
  text-wrap: balance;
  text-shadow: 0 16px 48px rgba(255, 255, 255, 0.08);
}

.slogan {
  margin: 24px 0 0;
  color: #ffffff;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: 0;
}

.intro {
  max-width: 660px;
  margin: 18px 0 0;
  color: var(--soft);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.78;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 34px;
}

.primary-cta,
.secondary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 750;
  letter-spacing: 0;
  white-space: nowrap;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, opacity 160ms ease;
}

.primary-cta {
  gap: 10px;
  min-width: 178px;
  padding: 0 28px;
  color: #09090b;
  background: linear-gradient(168deg, #ffffff 0%, #eef2f7 56%, #cbd5e1 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 16px 48px rgba(255, 255, 255, 0.12),
    0 8px 26px rgba(90, 167, 255, 0.16);
}

.primary-cta:hover {
  transform: translateY(-1px);
}

.primary-cta.is-disabled {
  opacity: 0.62;
  cursor: not-allowed;
}

.secondary-cta {
  min-width: 136px;
  padding: 0 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #f4f4f5;
  background: rgba(255, 255, 255, 0.04);
}

.secondary-cta:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.07);
}

.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.platform {
  display: inline-grid;
  grid-template-columns: 24px auto;
  grid-template-areas:
    "icon name"
    "icon status";
  column-gap: 11px;
  align-items: center;
  min-width: 162px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(16, 16, 20, 0.68);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.platform span {
  grid-area: name;
  color: #ffffff;
  font-size: 15px;
  font-weight: 750;
}

.platform strong {
  grid-area: status;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.platform-logo {
  grid-area: icon;
  width: 23px;
  height: 23px;
  color: #f4f4f5;
  filter: drop-shadow(0 0 16px rgba(255, 255, 255, 0.16));
}

.platform-logo :is(path, circle) {
  fill: currentColor;
}

.platform-logo.android {
  color: #3ddc84;
  filter: drop-shadow(0 0 16px rgba(127, 255, 212, 0.18));
}

.platform-logo .android-antenna {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.35;
}

.platform-logo .android-eye {
  fill: #09090b;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 540px;
}

.orbit-field {
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 470px);
  aspect-ratio: 1;
}

.orbit-field::before,
.orbit-field::after {
  position: absolute;
  inset: 6%;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  content: "";
  transform: rotate(-18deg) scaleY(0.42);
  box-shadow: 0 0 64px rgba(255, 255, 255, 0.12);
}

.orbit-field::after {
  inset: 15%;
  border-color: rgba(90, 167, 255, 0.22);
  transform: rotate(24deg) scaleY(0.5);
}

.phone-frame {
  position: relative;
  z-index: 2;
  width: min(62vw, 250px);
  max-width: 250px;
  aspect-ratio: 0.49;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 36px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.02) 34%, rgba(255, 255, 255, 0.12));
  box-shadow:
    0 36px 90px var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.phone-screen {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  overflow: hidden;
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 34%, rgba(255, 255, 255, 0.18), transparent 5rem),
    linear-gradient(180deg, rgba(23, 23, 27, 0.98), rgba(5, 5, 8, 0.98));
}

.status-line {
  position: absolute;
  top: 14px;
  left: 50%;
  width: 76px;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  transform: translateX(-50%);
}

.phone-logo {
  width: 88px;
  height: 88px;
  object-fit: contain;
  filter: drop-shadow(0 18px 28px rgba(255, 255, 255, 0.16));
}

.screen-title {
  margin-top: 18px;
  color: #ffffff;
  font-size: 20px;
  font-weight: 850;
  letter-spacing: 0;
}

.screen-lines {
  display: grid;
  gap: 10px;
  width: 72%;
  margin-top: 26px;
}

.screen-lines span {
  height: 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
}

.screen-lines span:nth-child(2) {
  width: 78%;
}

.screen-lines span:nth-child(3) {
  width: 54%;
}

.signal-card {
  position: absolute;
  z-index: 3;
  display: grid;
  gap: 4px;
  min-width: 126px;
  padding: 15px 17px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(14, 14, 18, 0.76);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.signal-card span {
  color: #ffffff;
  font-size: 22px;
  font-weight: 900;
}

.signal-card small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.card-one {
  top: 22%;
  left: 0;
}

.card-two {
  right: 0;
  bottom: 17%;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  padding: 0 0 28px;
}

.info-panel,
.faq-section {
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 18px 60px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
}

.info-panel {
  padding: clamp(24px, 3vw, 36px);
}

.info-panel h2,
.section-heading h2 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(24px, 2.6vw, 36px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: 0;
}

.info-panel p:not(.panel-kicker) {
  margin: 18px 0 0;
  color: var(--soft);
  font-size: 16px;
  line-height: 1.72;
}

.qr-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(18px, 4vw, 52px);
  align-items: center;
  min-height: 118px;
  padding: clamp(16px, 2vw, 22px) clamp(22px, 3.5vw, 42px);
}

.qr-panel h2 {
  font-size: clamp(22px, 2.2vw, 30px);
}

.qr-card {
  position: relative;
  display: grid;
  place-items: center;
  width: clamp(92px, 9vw, 112px);
  aspect-ratio: 1;
  padding: 7px;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
}

.qr-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-logo {
  position: absolute;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: #ffffff;
}

.qr-logo img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.qr-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  margin-top: 14px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: #f4f4f5;
  background: rgba(255, 255, 255, 0.055);
  font-size: 13px;
  font-weight: 750;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.qr-link:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.085);
  transform: translateY(-1px);
}

.faq-section {
  margin: 18px 0 clamp(34px, 7vw, 82px);
  padding: clamp(24px, 3vw, 36px);
  border-color: rgba(255, 255, 255, 0.07);
  background: rgba(14, 14, 18, 0.42);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.faq-section .panel-kicker {
  color: rgba(228, 228, 231, 0.4);
  font-size: 15px;
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.faq-item {
  min-height: 170px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.065);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.015);
}

.faq-item h3 {
  margin: 0;
  color: rgba(228, 228, 231, 0.5);
  font-size: 17px;
  line-height: 1.4;
  font-weight: 800;
  letter-spacing: 0;
}

.faq-item p {
  margin: 13px 0 0;
  color: rgba(212, 212, 216, 0.36);
  font-size: 14px;
  line-height: 1.68;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 54px;
  }

  .hero-visual {
    min-height: 420px;
  }

  .faq-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 700px) {
  .page-shell {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    min-height: 62px;
  }

  .brand-wordmark {
    width: 146px;
  }

  .nav-actions {
    gap: 8px;
  }

  .nav-link {
    display: none;
  }

  .lang-toggle {
    height: 38px;
    grid-template-columns: repeat(2, 42px);
  }

  .lang-button {
    min-width: 38px;
    height: 30px;
    padding: 0 9px;
  }

  .hero {
    gap: 28px;
    padding: 42px 0 32px;
  }

  h1 {
    font-size: clamp(38px, 12vw, 54px);
  }

  .slogan {
    font-size: clamp(22px, 7vw, 30px);
  }

  .intro {
    font-size: 16px;
  }

  .cta-row {
    margin-top: 28px;
  }

  .primary-cta,
  .secondary-cta {
    flex: 1 1 100%;
    min-height: 52px;
  }

  .platforms {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .platform {
    min-width: 0;
    padding: 13px;
  }

  .hero-visual {
    min-height: 360px;
  }

  .orbit-field {
    width: min(100%, 360px);
  }

  .phone-frame {
    width: min(58vw, 190px);
    border-radius: 30px;
  }

  .phone-screen {
    border-radius: 23px;
  }

  .phone-logo {
    width: 68px;
    height: 68px;
  }

  .signal-card {
    min-width: 110px;
    padding: 12px 14px;
  }

  .card-one {
    left: -2px;
  }

  .card-two {
    right: -2px;
  }

  .faq-list,
  .qr-panel {
    grid-template-columns: 1fr;
  }

  .qr-panel {
    gap: 20px;
  }

  .qr-card {
    display: none;
  }

  .faq-item {
    min-height: auto;
  }
}

@media (max-width: 420px) {
  .page-shell {
    width: min(100% - 22px, 1180px);
  }

  .brand-wordmark {
    width: 130px;
  }

  .eyebrow {
    max-width: 100%;
    font-size: 12px;
  }

  .platforms {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}