:root {
  --bg: #0b1120;
  --bg-soft: #111a31;
  --surface: rgba(20, 33, 63, 0.72);
  --surface-strong: rgba(34, 51, 89, 0.9);
  --text: #e9eeff;
  --text-soft: #b7c2e6;
  --accent: #00d4ff;
  --accent-2: #39ffa6;
  --line: rgba(167, 196, 255, 0.2);
  --shadow: 0 24px 72px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at 10% 8%, #4a1d6e 0%, transparent 40%),
    radial-gradient(circle at 82% 12%, #11294d 0%, transparent 42%), var(--bg);
  color: var(--text);
  font-family: "Noto Sans SC", "PingFang SC", "Helvetica Neue", sans-serif;
  line-height: 1.65;
  scroll-behavior: smooth;
}

.bg-glow {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: -1;
}

h1,
h2,
h3,
.logo,
button,
.btn {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  letter-spacing: 0.02em;
}

a {
  color: var(--text);
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px clamp(16px, 4vw, 56px);
  background: rgba(7, 12, 24, 0.82);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
}

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

nav a {
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--text-soft);
}

nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: 0.86rem;
}

.lang-switch a {
  color: var(--text-soft);
}

.lang-switch span {
  color: var(--text);
  font-weight: 700;
}

.nav-download {
  border: 1px solid var(--accent);
  color: var(--accent);
}

main {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding-bottom: 72px;
}

.hero {
  min-height: calc(100vh - 90px);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px;
  align-items: center;
  padding: 48px 0;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.12;
  margin: 8px 0 14px;
}

.lead {
  font-size: clamp(1.03rem, 2vw, 1.3rem);
  max-width: 38ch;
  color: var(--text-soft);
}

.meta {
  color: #8ca6d6;
  font-size: 0.95rem;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 22px 0 16px;
}

.btn {
  padding: 11px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 700;
}

.btn.primary {
  background: linear-gradient(95deg, var(--accent), var(--accent-2));
  color: #051120;
}

.btn.ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

a[aria-disabled="true"] {
  pointer-events: none;
  opacity: 0.72;
}

.hero-demo {
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.phone-shell {
  position: relative;
  border-radius: 20px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(140deg, rgba(79, 44, 122, 0.28), rgba(9, 16, 34, 0.86));
}

.panel {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.panel h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
}

.panel p {
  margin: 0;
}

.panel p + p {
  margin-top: 6px;
}

.jp {
  color: #d4ddff;
}

.cn {
  color: #7af7cb;
}

.mask-zone {
  display: grid;
  place-items: center;
  height: 56px;
  margin: 0 0 12px;
  border-radius: 12px;
  border: 1px dashed var(--accent);
  background: repeating-linear-gradient(
    -45deg,
    rgba(0, 212, 255, 0.12),
    rgba(0, 212, 255, 0.12) 10px,
    rgba(0, 212, 255, 0.24) 10px,
    rgba(0, 212, 255, 0.24) 20px
  );
  animation: pulse 2.6s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.015);
  }
}

.section {
  padding: 78px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  margin: 0 0 10px;
}

.section-subtitle {
  color: var(--text-soft);
  margin: 0 0 22px;
}

.split-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.split-compare article,
.card,
.scenarios-grid article,
.quote blockquote {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

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

.card p {
  color: var(--text-soft);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 660px;
}

th,
td {
  padding: 14px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

th {
  background: var(--surface-strong);
  font-size: 0.95rem;
}

.privacy-flow {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  font-family: "Space Grotesk", sans-serif;
}

.privacy-flow div {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
}

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

.quote blockquote {
  margin: 0;
  font-size: 1.05rem;
}

.quote cite {
  display: block;
  margin-top: 8px;
  color: var(--text-soft);
  font-style: normal;
}

.download {
  text-align: center;
}

.subscribe {
  margin: 20px auto 0;
  max-width: 560px;
  text-align: left;
}

.subscribe label {
  display: block;
  margin-bottom: 8px;
}

.subscribe div {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.subscribe input {
  flex: 1;
  min-width: 220px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.subscribe button {
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
}

.subscribe p {
  font-size: 0.9rem;
  color: #95acd9;
}

.site-footer {
  width: min(1120px, 92vw);
  margin: 0 auto 26px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer div {
  display: flex;
  gap: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .grid-cards {
    grid-template-columns: 1fr;
  }
  .split-compare {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  nav {
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }
  nav a {
    padding: 5px 8px;
    font-size: 0.92rem;
  }
  .scenarios-grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 56px 0;
  }
}