:root,
[data-theme="light"] {
  --bg: #ffffff;
  --bg-soft: #f3f5fa;
  --bg-cta: #0f172a;
  --ink: #0f172a;
  --muted: #64748b;
  --line: rgba(15, 23, 42, 0.08);
  --blue: #2f6bff;
  --blue-soft: rgba(47, 107, 255, 0.1);
  --green: #b7f000;
  --green-ink: #1a2a00;
  --card: #ffffff;
  --header: rgba(255, 255, 255, 0.86);
  --header-border: rgba(15, 23, 42, 0.06);
  --orb-a: rgba(47, 107, 255, 0.16);
  --orb-b: rgba(183, 240, 0, 0.12);
  --cta: #111111;
  --cta-ink: #ffffff;
  --shadow: 0 20px 60px rgba(24, 39, 75, 0.08);
  --toast: #111111;
  --toast-ink: #ffffff;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #0b0d12;
  --bg-soft: #12161f;
  --bg-cta: #151a26;
  --ink: #f8fafc;
  --muted: #94a3b8;
  --line: rgba(255, 255, 255, 0.1);
  --blue: #6b8cff;
  --blue-soft: rgba(107, 140, 255, 0.16);
  --green: #c6f067;
  --green-ink: #152000;
  --card: #171c28;
  --header: rgba(11, 13, 18, 0.84);
  --header-border: rgba(255, 255, 255, 0.08);
  --orb-a: rgba(107, 140, 255, 0.22);
  --orb-b: rgba(198, 240, 103, 0.12);
  --cta: #f3f5f9;
  --cta-ink: #0b0d12;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --toast: #f3f5f9;
  --toast-ink: #0b0d12;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Noto Sans SC", "PingFang SC", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s ease, color 0.25s ease;
}

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

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

.icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 100;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
}

.skip-link:focus {
  left: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--header-border);
}

.header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 18px 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  object-fit: cover;
  background: #fff;
  box-shadow: 0 8px 20px rgba(47, 107, 255, 0.22);
}

[data-theme="dark"] .brand-mark {
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 1rem;
  font-weight: 800;
}

.brand-text em {
  font-style: normal;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
}

.nav a {
  position: relative;
  padding: 6px 0;
}

.nav a:hover {
  color: var(--blue);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

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

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang {
  position: relative;
}

.lang-btn,
.theme-btn,
.menu-btn,
.back-top {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
}

.lang-btn {
  border-radius: 999px;
  min-height: 40px;
  min-width: 40px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
}

.lang-btn #lang-label {
  display: none;
}

.lang-btn #lang-short {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--bg-soft);
  font-size: 0.72rem;
  font-weight: 700;
}

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  margin: 0;
  padding: 8px;
  list-style: none;
  min-width: 176px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  z-index: 50;
}

.lang-menu button {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
  font: inherit;
  cursor: pointer;
}

.lang-menu button:hover,
.lang-menu button.is-active {
  background: var(--blue-soft);
  color: var(--blue);
}

.theme-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
}

.theme-btn .icon {
  width: 18px;
  height: 18px;
}

[data-theme="light"] .theme-btn .icon-sun,
[data-theme="dark"] .theme-btn .icon-moon {
  display: none;
}

.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  place-items: center;
  gap: 5px;
  flex-direction: column;
}

.menu-btn span {
  display: block;
  width: 16px;
  height: 1.8px;
  border-radius: 999px;
  background: var(--ink);
}

.mobile-nav {
  display: none;
  padding: 8px 24px 16px;
  border-top: 1px solid var(--line);
}

.mobile-nav a {
  display: block;
  padding: 12px 0;
  color: var(--muted);
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}

.mobile-nav a:last-child {
  border-bottom: 0;
}

.mobile-nav:not([hidden]) {
  display: block;
}

.band {
  width: 100%;
}

.band-soft {
  background: var(--bg-soft);
  border-block: 1px solid var(--line);
}

.band-cta {
  background:
    radial-gradient(ellipse 70% 80% at 50% 0%, rgba(47, 107, 255, 0.18), transparent 55%),
    var(--bg-cta);
  color: #f8fafc;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.band-cta .kicker,
.band-cta .section-lead,
.band-cta .download-note,
.band-cta .download-extra {
  color: rgba(248, 250, 252, 0.72);
}

.band-cta h2 {
  color: #fff;
}

.band-cta .accent {
  color: #9db4ff;
}

.band-cta .download-extra a {
  color: #9db4ff;
}

.section-inner {
  max-width: 1160px;
  margin: 0 auto;
}

.hero {
  max-width: 1160px;
  margin: 0 auto;
  padding: 56px 24px 72px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.kicker.muted {
  color: #98a2b3;
}

.kicker.center {
  justify-content: center;
  width: 100%;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(183, 240, 0, 0.25);
  animation: dot-pulse 2.4s ease-in-out infinite;
}

.hero h1 {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  font-size: clamp(3rem, 7.5vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.h-brand {
  font-weight: 900;
}

.h-en {
  color: var(--blue);
  font-weight: 800;
}

.hero-line {
  margin: 22px 0 0;
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--ink);
  opacity: 0.92;
}

.accent {
  color: var(--blue);
}

.hero-desc {
  margin: 18px 0 28px;
  max-width: 34rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.75;
  font-weight: 450;
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.hero-meta {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 24px rgba(47, 107, 255, 0.28);
}

.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 14px 28px rgba(47, 107, 255, 0.36);
}

.btn-ios {
  background: var(--ink);
  color: var(--bg);
  border-color: transparent;
}

[data-theme="dark"] .btn-ios {
  background: #f3f5f9;
  color: #0b0d12;
}

.btn-ios:hover {
  filter: brightness(1.06);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-link {
  min-height: auto;
  padding: 0 2px 4px;
  border-radius: 0;
  border: 0;
  border-bottom: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-size: 0.95rem;
}

.hero-visual {
  display: grid;
  place-items: center;
}

.orb {
  position: relative;
  width: min(100%, 360px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  animation: orb-float 6s ease-in-out infinite;
}

.orb-glow {
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, var(--orb-a), transparent 55%),
    radial-gradient(circle at 70% 70%, var(--orb-b), transparent 50%);
  filter: blur(8px);
  animation: glow-breathe 4.8s ease-in-out infinite;
}

.orb-ring {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 2px solid rgba(183, 240, 0, 0.72);
  box-shadow: 0 0 0 10px rgba(183, 240, 0, 0.08);
  animation: ring-pulse 3.6s ease-in-out infinite;
}

.orb-core {
  position: relative;
  width: 56%;
  aspect-ratio: 1;
  border-radius: 32px;
  display: grid;
  place-items: center;
  background: #ffffff;
  border: 1px solid rgba(17, 24, 39, 0.06);
  box-shadow: var(--shadow);
}

[data-theme="dark"] .orb-core {
  background: #ffffff;
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.orb-mark {
  width: 100%;
  height: 100%;
  border-radius: 32px;
  object-fit: cover;
}

.orb-chip {
  position: absolute;
  top: 12%;
  right: -2%;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--green);
  color: var(--green-ink);
  font-size: 0.82rem;
  font-weight: 700;
  box-shadow: 0 12px 30px rgba(183, 240, 0, 0.35);
  animation: chip-float 3.8s ease-in-out infinite;
}

.story-band {
  padding: 72px 0;
}

.story {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: start;
}

.story-left {
  position: relative;
  padding-left: 18px;
  border-left: 3px solid var(--blue);
}

.story h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.4vw, 3.3rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
  font-weight: 900;
}

.story-right {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
  padding-top: 48px;
  max-width: 34rem;
}

.section {
  padding: 88px 24px;
}

.section-head {
  max-width: 42rem;
  margin-bottom: 12px;
}

.section h2,
.download h2 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
  font-weight: 900;
}

.section-lead {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 36rem;
}

.section-lead.center,
.download .section-lead,
.center-head .section-lead {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.center-head h2 {
  text-wrap: balance;
}

.center-head {
  max-width: 42rem;
  margin: 0 auto;
  text-align: center;
}

.card-grid,
.social-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.more-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.social-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 12px 32px rgba(24, 39, 75, 0.05);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.card:hover,
.social-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 107, 255, 0.32);
  box-shadow: 0 22px 48px rgba(24, 39, 75, 0.12);
}

.card {
  padding: 26px 22px 24px;
  overflow: hidden;
}

.card-index {
  display: block;
  margin-bottom: 14px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.card h3,
.social-body h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.card p,
.social-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.social-section .section-head h2 {
  font-size: clamp(2.1rem, 4vw, 3rem);
}

.social-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.social-cover {
  position: relative;
  height: 180px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.social-cover::before {
  content: "";
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.55), transparent 45%);
  pointer-events: none;
}

.cover-art {
  position: relative;
  z-index: 1;
  width: 84px;
  height: 84px;
  border-radius: 28px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 12px 30px rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(8px);
  color: #1f3b8f;
  transition: transform 0.25s ease;
}

.social-card:hover .cover-art {
  transform: scale(1.06) translateY(-2px);
}

.cover-art svg {
  width: 52px;
  height: 52px;
}

.social-cover.c1 {
  background: linear-gradient(145deg, #cfe0ff 0%, #edf3ff 48%, #d8e7ff 100%);
  color: #2450d6;
}

.social-cover.c2 {
  background: linear-gradient(145deg, #ddd4ff 0%, #f3efff 48%, #e4dcff 100%);
  color: #5b3fd6;
}

.social-cover.c3 {
  background: linear-gradient(145deg, #ffd3d0 0%, #fff1ef 48%, #ffddd8 100%);
  color: #c23a3a;
}

.social-cover.c4 {
  background: linear-gradient(145deg, #c8f0ff 0%, #eef9ff 48%, #d4f2ff 100%);
  color: #1578a8;
}

.social-cover.c5 {
  background: linear-gradient(145deg, #d4ffe8 0%, #effff7 48%, #d9f8ea 100%);
  color: #1a8a58;
}

.social-cover.c6 {
  background: linear-gradient(145deg, #ffe3c4 0%, #fff5e8 48%, #ffdfb8 100%);
  color: #b55a12;
}

.social-cover.c1 .cover-art { color: #2450d6; }
.social-cover.c2 .cover-art { color: #5b3fd6; }
.social-cover.c3 .cover-art { color: #c23a3a; }
.social-cover.c4 .cover-art { color: #1578a8; }
.social-cover.c5 .cover-art { color: #1a8a58; }
.social-cover.c6 .cover-art { color: #b55a12; }

[data-theme="dark"] .social-cover.c1 {
  background: linear-gradient(145deg, #1a2744, #121826 55%, #182338);
}

[data-theme="dark"] .social-cover.c2 {
  background: linear-gradient(145deg, #2a2144, #171322 55%, #241d38);
}

[data-theme="dark"] .social-cover.c3 {
  background: linear-gradient(145deg, #3a1d22, #1c1215 55%, #3a2226);
}

[data-theme="dark"] .social-cover.c4 {
  background: linear-gradient(145deg, #14303a, #101920 55%, #17343e);
}

[data-theme="dark"] .social-cover.c5 {
  background: linear-gradient(145deg, #16342e, #101a17 55%, #18332c);
}

[data-theme="dark"] .social-cover.c6 {
  background: linear-gradient(145deg, #3a2a18, #1a140f 55%, #3a2c1a);
}

[data-theme="dark"] .cover-art {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .social-cover.c1 .cover-art { color: #8aa7ff; }
[data-theme="dark"] .social-cover.c2 .cover-art { color: #b7a4ff; }
[data-theme="dark"] .social-cover.c3 .cover-art { color: #ff9a96; }
[data-theme="dark"] .social-cover.c4 .cover-art { color: #7fd4f5; }
[data-theme="dark"] .social-cover.c5 .cover-art { color: #7de0b2; }
[data-theme="dark"] .social-cover.c6 .cover-art { color: #ffc58a; }

.social-body {
  padding: 22px 20px 26px;
  flex: 1;
}

.security-panel {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 40px;
  padding: 44px;
  border-radius: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.security-panel h2 {
  margin: 0 0 10px;
}

.security-panel p {
  color: var(--muted);
  margin: 0;
  line-height: 1.7;
}

.security-panel ul {
  margin: 0;
  padding: 8px 0 0 1.15rem;
  color: var(--ink);
  font-weight: 600;
}

.security-panel li + li {
  margin-top: 14px;
}

.download {
  text-align: center;
  padding-top: 96px;
  padding-bottom: 112px;
}

.download-inner {
  max-width: 720px;
}

.download h2 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.035em;
}

.band-cta .btn-ios {
  background: rgba(255, 255, 255, 0.92);
  color: #0b0d12;
}

.download-actions {
  justify-content: center;
  margin-top: 32px;
}

.download-note,
.download-extra {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.download-extra a {
  color: var(--blue);
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 36px 24px 44px;
  display: grid;
  gap: 20px;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

.footer-brand .brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.footer-brand strong {
  display: block;
  font-weight: 800;
}

.footer-brand span {
  color: var(--muted);
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a:hover {
  color: var(--blue);
}

.back-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
  z-index: 55;
}

.back-top[hidden] {
  display: none;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--toast);
  color: var(--toast-ink);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 60;
}

.toast[hidden] {
  display: none;
}

/* Motion */
.hero-copy > * {
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-copy > *:nth-child(1) { animation-delay: 0.05s; }
.hero-copy > *:nth-child(2) { animation-delay: 0.14s; }
.hero-copy > *:nth-child(3) { animation-delay: 0.22s; }
.hero-copy > *:nth-child(4) { animation-delay: 0.3s; }
.hero-copy > *:nth-child(5) { animation-delay: 0.38s; }
.hero-copy > *:nth-child(6) { animation-delay: 0.46s; }

.hero-visual {
  opacity: 0;
  transform: translateY(24px) scale(0.96);
  animation: rise-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

.site-header {
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.08);
  border-bottom-color: var(--line);
}

[data-theme="dark"] .site-header.is-scrolled {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

@keyframes orb-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes glow-breathe {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.06); }
}

@keyframes ring-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(183, 240, 0, 0.08);
  }
  50% {
    transform: scale(1.03);
    box-shadow: 0 0 0 16px rgba(183, 240, 0, 0.14);
  }
}

@keyframes chip-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -8px; }
}

@keyframes dot-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(183, 240, 0, 0.22); }
  50% { box-shadow: 0 0 0 7px rgba(183, 240, 0, 0.12); }
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: none;
  }
}

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

  .hero-copy > *,
  .hero-visual,
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 980px) {
  .header-inner {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 12px 16px;
  }

  .nav {
    display: none;
  }

  .menu-btn {
    display: inline-flex;
  }

  .header-right {
    gap: 6px;
  }

  .lang-btn {
    padding: 0 8px;
    gap: 4px;
  }

  .lang-btn .icon {
    width: 15px;
    height: 15px;
  }

  .brand img,
  .brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 10px;
  }

  .brand-text em {
    display: none;
  }

  .mobile-nav {
    padding: 4px 16px 14px;
  }

  .more-grid,
  .hero,
  .story,
  .card-grid,
  .security-panel {
    grid-template-columns: 1fr;
  }

  .social-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .hero {
    padding: 28px 16px 40px;
    gap: 20px;
  }

  .hero-visual {
    order: -1;
    margin: 0 auto;
  }

  .orb {
    width: min(72vw, 240px);
  }

  .orb-chip {
    right: -4%;
    top: 6%;
    max-width: 70%;
    font-size: 0.7rem;
    padding: 8px 10px;
    line-height: 1.25;
  }

  .hero h1 {
    font-size: clamp(2.4rem, 12vw, 3.2rem);
  }

  .hero-line {
    font-size: 1.2rem;
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions .btn {
    flex: 1 1 calc(50% - 8px);
    min-width: 0;
  }

  .hero-actions .btn-link {
    flex: 1 1 100%;
    text-align: center;
    justify-content: center;
    border-bottom: 0;
    padding: 10px 0 0;
    color: var(--blue);
  }

  .story-band {
    padding: 48px 0;
  }

  .story {
    gap: 20px;
    padding: 0 16px;
  }

  .story-left {
    padding-left: 14px;
  }

  .story-right {
    padding-top: 0;
  }

  .section {
    padding: 56px 16px;
  }

  .section h2,
  .story h2,
  .download h2 {
    font-size: clamp(1.8rem, 7vw, 2.4rem);
  }

  .security-panel {
    gap: 20px;
    padding: 24px;
  }

  .download {
    padding-top: 64px;
    padding-bottom: 80px;
  }

  .download-actions {
    flex-direction: column;
  }

  .download-actions .btn {
    width: 100%;
  }

  .footer-inner {
    padding: 28px 16px 36px;
  }
}

@media (max-width: 640px) {
  .social-grid {
    grid-template-columns: 1fr;
  }

  .social-cover {
    height: 148px;
  }

  .card-grid {
    gap: 14px;
  }

  .lang-btn .icon {
    display: none;
  }

  .orb {
    width: min(68vw, 220px);
    margin-bottom: 28px;
  }

  .orb-chip {
    left: 50%;
    right: auto;
    top: auto;
    bottom: -14%;
    transform: translateX(-50%);
    width: max-content;
    max-width: calc(100vw - 48px);
    white-space: nowrap;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    flex: none;
    width: 100%;
  }

  .hero-actions .btn-link {
    padding-top: 4px;
  }

  .kicker {
    letter-spacing: 0.06em;
    font-size: 0.68rem;
  }
}