:root {
  --bg: #0A0F16;
  --surface: #141C2A;
  --surface-alt: #0F1A22;
  --surface-muted: rgba(255,255,255,0.02);
  --text: #F8FAFC;
  --subtext: #A6B0C2;
  --border: rgba(255,255,255,0.06);
  --border-strong: rgba(255,255,255,0.08);
  --border-soft: rgba(255,255,255,0.04);
  --accent: #22D3EE;
  --accent-dark: #0EA5B7;
  --icon: #FFFFFF;
  --overlay: rgba(0,0,0,0.55);
  --placeholder: rgba(248,250,252,0.35);
  --cyan: #22D3EE;
  --cyan-soft: rgba(34,211,238,0.14);
  --cyan-border: rgba(34,211,238,0.28);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #EDF2F6;
  --surface: #FFFFFF;
  --surface-alt: #E2EAF1;
  --surface-muted: rgba(16,36,59,0.035);
  --text: #10243B;
  --subtext: #5C6C7F;
  --border: rgba(16,36,59,0.11);
  --border-strong: rgba(16,36,59,0.16);
  --border-soft: rgba(16,36,59,0.08);
  --accent: #10243B;
  --accent-dark: #0B5E72;
  --icon: #10243B;
  --overlay: rgba(16,24,40,0.34);
  --placeholder: rgba(16,36,59,0.42);
  --shadow: 0 22px 58px rgba(16, 36, 59, 0.11);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 18% 0%, rgba(34, 211, 238, 0.16), transparent 30rem),
    radial-gradient(circle at 90% 10%, rgba(14, 165, 183, 0.10), transparent 24rem),
    linear-gradient(180deg, var(--bg) 0%, #0C121B 54%, var(--bg) 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

:root[data-theme="light"] body {
  background:
    radial-gradient(circle at 15% 0%, rgba(34, 211, 238, 0.18), transparent 28rem),
    radial-gradient(circle at 85% 8%, rgba(11, 94, 114, 0.10), transparent 26rem),
    linear-gradient(180deg, #EDF2F6 0%, #E7EEF4 48%, #EDF2F6 100%);
}

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

img {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: 0.52rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface), transparent 18%);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(22px);
}

:root[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 54px rgba(16, 36, 59, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.52rem;
  min-width: 0;
  font-weight: 820;
}

.site-header .brand {
  gap: 0.45rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid var(--cyan-border);
  border-radius: 22%;
  background: #07111A;
  overflow: hidden;
}

:root[data-theme="light"] .brand-mark {
  background: #10243B;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-text {
  font-size: 1.03rem;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 0.22rem;
}

.site-nav a,
.site-footer a {
  color: var(--subtext);
}

.site-nav a {
  padding: 0.58rem 0.72rem;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 780;
}

.nav-products {
  color: var(--text) !important;
  border: 1px solid var(--border-strong);
  background: var(--cyan-soft);
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--text);
}

.site-nav a:hover {
  background: var(--surface-muted);
}

.header-actions,
.badge-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.header-actions {
  justify-content: flex-end;
}

.segmented {
  display: inline-flex;
  padding: 0.2rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg), var(--surface) 36%);
}

.segmented button,
.icon-button,
.menu-toggle {
  border: 0;
  color: var(--subtext);
  background: transparent;
  cursor: pointer;
}

.segmented button {
  min-width: 2.35rem;
  min-height: 2rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 820;
}

.segmented button[aria-pressed="true"] {
  color: #061018;
  background: var(--cyan);
}

:root[data-theme="light"] .segmented button[aria-pressed="true"] {
  color: #FFFFFF;
  background: var(--accent);
}

.icon-button {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface), transparent 18%);
}

.icon-button:hover {
  color: var(--text);
  border-color: var(--cyan-border);
  background: var(--cyan-soft);
}

.icon-button svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-icon {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: inset -0.28rem -0.16rem 0 0 #071018;
}

:root[data-theme="light"] .theme-icon {
  background: var(--accent);
  box-shadow: 0 0 0 0.22rem rgba(16, 36, 59, 0.13);
}

.menu-toggle {
  display: none;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
}

.menu-toggle span {
  display: block;
  width: 1.1rem;
  height: 2px;
  margin: 0.24rem auto;
  background: currentColor;
}

.section-shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(290px, 0.98fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  min-height: min(820px, calc(100vh - 6rem));
  padding: clamp(3.5rem, 7vw, 5rem) 0 3.75rem;
}

.product-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  width: fit-content;
  margin-bottom: 1.05rem;
  padding: 0.45rem 0.74rem;
  border: 1px solid var(--cyan-border);
  border-radius: 999px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-pill img {
  width: 1.55rem;
  height: 1.55rem;
  object-fit: contain;
}

:root[data-theme="light"] .product-pill {
  color: var(--accent);
  background: rgba(34, 211, 238, 0.12);
}

.pill-dot {
  width: 0.54rem;
  height: 0.54rem;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 0 0.28rem rgba(34, 211, 238, 0.13);
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

:root[data-theme="light"] .eyebrow {
  color: var(--accent-dark);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.85rem;
  font-size: clamp(4rem, 12vw, 8rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0.7rem;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.7rem;
  font-size: 1.18rem;
  line-height: 1.18;
}

p {
  color: var(--subtext);
  line-height: 1.65;
}

.hero-subtitle {
  max-width: 13ch;
  margin-bottom: 1rem;
  color: var(--text);
  font-size: clamp(1.7rem, 4vw, 3.25rem);
  line-height: 1.03;
  font-weight: 820;
}

.hero-body {
  max-width: 42rem;
  font-size: 1.07rem;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  border: 0;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  transition: transform 160ms ease, filter 160ms ease;
}

.store-badge:hover {
  transform: translateY(-2px);
  filter: saturate(1.06) brightness(1.04);
}

.store-badge img {
  width: auto;
  height: 3.05rem;
  object-fit: contain;
}

.text-link,
.primary-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 2.75rem;
  margin-top: 1.1rem;
  color: var(--text);
  font-weight: 800;
}

.text-link::after,
.primary-link::after,
.lightball-card::after {
  content: "";
  width: 0.48rem;
  height: 0.48rem;
  margin-left: 0.55rem;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
}

.primary-link {
  padding: 0 1.05rem;
  border: 1px solid var(--cyan-border);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan-soft), rgba(15, 26, 34, 0.14));
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 32rem;
}

.visual-glow {
  position: absolute;
  width: min(28rem, 92%);
  aspect-ratio: 1;
  border-radius: 28%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.22) 0%, rgba(14, 165, 183, 0.12) 36%, transparent 70%);
  filter: blur(10px);
}

.visual-disc {
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 21.5rem);
  aspect-ratio: 1;
  margin-left: auto;
  padding: clamp(1.35rem, 3vw, 1.85rem);
  border: 1px solid rgba(34, 211, 238, 0.30);
  border-radius: 18%;
  background:
    linear-gradient(145deg, rgba(34, 211, 238, 0.12), rgba(15, 26, 34, 0.18) 38%, transparent 62%),
    #07111A;
  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.22),
    0 0 44px rgba(34, 211, 238, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

:root[data-theme="light"] .visual-disc {
  background:
    linear-gradient(145deg, rgba(34, 211, 238, 0.16), rgba(255, 255, 255, 0.54) 44%, rgba(226, 234, 241, 0.55)),
    rgba(255, 255, 255, 0.72);
  border-color: rgba(34, 211, 238, 0.34);
}

.visual-disc img {
  width: 82%;
  height: 82%;
  border-radius: 22%;
  object-fit: cover;
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.24);
  filter: drop-shadow(0 28px 36px rgba(34, 211, 238, 0.08));
}

.section-heading {
  max-width: 44rem;
  margin-bottom: 1.5rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.card-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.info-card,
.download-section,
.trust-section,
.policy-content,
.flow-step {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface), transparent 3%);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.10);
}

.info-card {
  min-height: 13rem;
  padding: clamp(1rem, 2vw, 1.35rem);
}

.card-icon {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  margin-bottom: 1.1rem;
  border: 1px solid var(--cyan-border);
  border-radius: 8px;
  color: var(--cyan);
  background: var(--cyan-soft);
  font-weight: 900;
}

.info-card h3,
.flow-step h3 {
  color: var(--text);
}

.feature-band {
  margin: 1rem 0 clamp(4rem, 8vw, 7rem);
  border-block: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(34, 211, 238, 0.08), rgba(15, 26, 34, 0.05), transparent),
    color-mix(in srgb, var(--surface), transparent 42%);
}

.feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(17rem, 0.95fr);
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
  padding: clamp(2.2rem, 5vw, 4rem) 0;
}

.feature-layout p {
  max-width: 48rem;
}

.feature-list {
  display: grid;
  gap: 0.72rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  min-height: 3rem;
  padding: 0.78rem 0.95rem 0.78rem 2.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface), transparent 8%);
  color: var(--text);
  font-weight: 740;
}

.feature-list li::before {
  content: "";
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 0 0.25rem rgba(34, 211, 238, 0.12);
}

.flow-section {
  margin-bottom: clamp(4rem, 8vw, 6rem);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.flow-step {
  position: relative;
  min-height: 13.5rem;
  padding: 1.25rem;
}

.flow-step span {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  margin-bottom: 1.15rem;
  border-radius: 999px;
  background: var(--cyan);
  color: #061018;
  font-weight: 900;
}

:root[data-theme="light"] .flow-step span {
  color: #FFFFFF;
  background: var(--accent);
}

.download-section,
.trust-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1rem;
  padding: clamp(1.3rem, 3vw, 2rem);
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(15, 26, 34, 0.06) 40%, transparent),
    color-mix(in srgb, var(--surface), transparent 3%);
}

.download-section {
  margin-bottom: 1.25rem;
}

.download-section h2,
.trust-section h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
}

.download-section p,
.trust-section p {
  max-width: 44rem;
  margin-bottom: 0;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(16rem, 1.05fr) minmax(22rem, 1.8fr);
  gap: 2rem;
  align-items: center;
  width: min(1120px, calc(100% - 2rem));
  margin: 5rem auto 0;
  padding: 1.6rem 0 2.5rem;
  border-top: 1px solid var(--border);
}

.footer-product {
  display: grid;
  gap: 0.75rem;
}

.lightball-card {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  max-width: 100%;
  min-height: 2.35rem;
  color: var(--subtext);
  font-weight: 750;
}

.lightball-card img {
  width: 1.7rem;
  height: 1.7rem;
  object-fit: contain;
}

.site-footer nav {
  display: grid;
  grid-template-columns: repeat(4, max-content);
  justify-content: end;
  gap: 0.75rem 1.15rem;
  align-items: center;
}

.site-footer nav a {
  font-size: 0.92rem;
  font-weight: 720;
  line-height: 1.2;
}

.footer-brand .brand-mark {
  width: 2rem;
  height: 2rem;
}

.copyright {
  grid-column: 2;
  justify-self: end;
  margin: -0.95rem 0 0;
  color: var(--subtext);
  font-size: 0.86rem;
  line-height: 1.4;
  text-align: right;
  white-space: nowrap;
}

.policy-hero {
  padding: 5rem 0 1.5rem;
}

.policy-hero h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 8vw, 5.8rem);
}

.policy-updated {
  color: var(--text);
  font-weight: 760;
}

.policy-content {
  display: grid;
  gap: 1rem;
  padding: clamp(1.2rem, 3vw, 2rem);
}

.policy-content section {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.policy-content section:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.policy-content h2 {
  font-size: 1.35rem;
}

.policy-content h3 {
  margin-top: 1rem;
  font-size: 1.05rem;
}

.policy-content ul {
  display: grid;
  gap: 0.45rem;
  margin: 0.75rem 0 1rem;
  padding-left: 1.2rem;
  color: var(--subtext);
  line-height: 1.55;
}

.policy-content a {
  color: var(--cyan);
  font-weight: 800;
}

.toast {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 40;
  max-width: min(22rem, calc(100% - 2rem));
  padding: 0.82rem 1rem;
  border: 1px solid var(--cyan-border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface), transparent 4%);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 780;
  transform: translateY(0);
  backdrop-filter: blur(18px);
}

.toast.is-hiding {
  opacity: 0;
  transform: translateY(0.35rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

[hidden] {
  display: none !important;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .menu-toggle {
    display: inline-grid;
    place-items: center;
    justify-self: end;
  }

  .site-nav,
  .header-actions {
    display: none;
    grid-column: 1 / -1;
  }

  .site-header.is-open .site-nav,
  .site-header.is-open .header-actions {
    display: flex;
  }

  .site-header.is-open .site-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding-top: 0.4rem;
  }

  .site-header.is-open .header-actions {
    justify-content: flex-start;
    padding-top: 0.2rem;
  }

  .hero,
  .card-grid.three,
  .feature-layout,
  .flow-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  .hero-visual {
    min-height: 29rem;
  }

  .visual-disc {
    margin: 0 auto;
  }

  .site-footer,
  .copyright {
    text-align: left;
  }

  .site-footer {
    align-items: start;
    gap: 1.25rem;
  }

  .site-footer nav {
    grid-template-columns: repeat(2, minmax(8rem, 1fr));
    justify-content: start;
    gap: 0.85rem 1rem;
  }

  .copyright {
    grid-column: 1;
    justify-self: start;
    margin-top: 0;
  }
}

@media (max-width: 620px) {
  .site-header,
  .section-shell,
  .site-footer {
    width: min(100% - 1rem, 1120px);
  }

  .site-header {
    margin-top: 0.5rem;
  }

  .site-nav a {
    padding: 0.72rem 0.8rem;
  }

  h1 {
    font-size: clamp(3rem, 14vw, 3.8rem);
  }

  h2 {
    font-size: clamp(1.85rem, 9vw, 2.4rem);
  }

  .hero-subtitle {
    max-width: 15ch;
    font-size: clamp(1.65rem, 8vw, 2.2rem);
  }

  .hero-visual {
    min-height: auto;
  }

  .visual-disc {
    width: min(100%, 19.5rem);
  }

  .download-section,
  .trust-section {
    display: grid;
    grid-template-columns: 1fr;
  }

  .download-section .badge-row,
  .hero .badge-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .store-badge img {
    height: 2.85rem;
  }

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