:root {
  --color-absolute-zero: #000000;
  --color-studio-white: #ffffff;
  --color-pale-border: #e0e0e0;
  --logo-gradient: linear-gradient(270deg, #1b2cff 0%, #7a3cff 52%, #e7477a 100%);
  --logo-gradient-glow: rgba(122, 60, 255, 0.32);
  --font: "Inter", "Wanted Sans Variable", "Wanted Sans", -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --text-body: 16px;
  --radius-buttons: 80px;
  --max-w: 1440px;
  --pad-x: 80px;
  --bg: #f7fafc;
  --bg-soft: #eef4fb;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-line: rgba(129, 152, 181, 0.22);
  --text: #0f172a;
  --muted: #5e6b7d;
  --accent: #2563eb;
  --accent-strong: #ec4899;
  --page: rgba(255, 255, 255, 0.92);
  --page-line: rgba(100, 126, 158, 0.14);
  --page-text: #111827;
  --page-muted: #627083;
  --max: 1160px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(circle at 12% 14%, rgba(59, 130, 246, 0.16), transparent 24%),
    radial-gradient(circle at 88% 10%, rgba(236, 72, 153, 0.12), transparent 22%),
    linear-gradient(180deg, #fbfdff 0%, #f3f7fb 30%, #eef4fb 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(76, 132, 205, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 132, 205, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  opacity: 0.7;
}

a {
  color: inherit;
}

.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background 0.35s ease,
    border-color 0.35s ease,
    backdrop-filter 0.35s ease,
    -webkit-backdrop-filter 0.35s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--color-pale-border);
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  width: 100px;
  height: 44px;
}

.logo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
}

.lang-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  color: #6b7788;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.lang-switch a.is-active {
  background: #0f172a;
  color: #ffffff;
}

.lang-panel[hidden] {
  display: none !important;
}

.mini-label {
  color: #7a8798;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 48px;
  border-radius: var(--radius-buttons);
  font-family: var(--font);
  font-size: var(--text-body);
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
  white-space: nowrap;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-header-gradient {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
  background: var(--logo-gradient);
  border: 0;
  border-radius: var(--radius-buttons);
  background-clip: padding-box;
  box-shadow: 0 10px 28px var(--logo-gradient-glow);
}

.btn-header-gradient::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(0deg, rgba(255,255,255,0.20), rgba(255,255,255,0));
  opacity: 0.55;
  pointer-events: none;
}

.btn-header-gradient:hover {
  color: #fff;
  transform: translateY(-1px);
  filter: saturate(1.08) brightness(1.04);
  box-shadow: 0 14px 34px rgba(122,60,255,0.38);
}

.btn-sm {
  padding: 13px 34px;
  font-size: 15px;
}

.policy-head-label {
  color: rgba(91, 103, 120, 0.82);
  margin-bottom: 0;
}

.hero {
  position: relative;
  padding: 132px 0 48px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(236, 244, 251, 0.48));
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 34px;
  align-items: end;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 18px;
  color: #738196;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  color: #0f172a;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-desc {
  margin: 24px 0 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.hero-note {
  padding: 24px;
  border: 1px solid var(--surface-line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 20px 48px rgba(30, 41, 59, 0.08);
}

.hero-note strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  letter-spacing: 0.02em;
}

.hero-note p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.content-shell {
  position: relative;
  z-index: 1;
  padding-bottom: 96px;
}

.policy-panel {
  background: var(--page);
  color: var(--page-text);
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 32px;
  padding: 44px;
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(12px);
}

.policy-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 28px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--page-line);
}

.policy-head h2 {
  margin: 8px 0 0;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: 0;
}

.policy-head p {
  margin: 8px 0 0;
  color: var(--page-muted);
  font-size: 15px;
  line-height: 1.72;
}

.effective {
  min-width: 220px;
  padding: 18px 20px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(242, 247, 252, 0.96), rgba(235, 242, 250, 0.96));
  border: 1px solid var(--page-line);
}

.effective span {
  display: block;
  color: var(--page-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.effective strong {
  display: block;
  margin-top: 10px;
  font-size: 17px;
  line-height: 1.5;
}

.policy-list {
  display: grid;
  gap: 18px;
}

.policy-item {
  padding: 26px 28px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--page-line);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.policy-item h3 {
  margin: 0 0 12px;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: 0;
}

.policy-item p {
  margin: 0;
  color: var(--page-muted);
  font-size: 15px;
  line-height: 1.8;
}

.policy-item a {
  color: #0f4fb7;
  font-weight: 700;
  text-decoration: none;
}

.policy-item strong {
  font-weight: 700;
}

.footer-note {
  margin-top: 24px;
  color: rgba(91, 103, 120, 0.9);
  font-size: 14px;
  line-height: 1.8;
  text-align: right;
}

@media (max-width: 920px) {
  .hero {
    padding: 76px 0 40px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .policy-panel {
    padding: 28px;
    border-radius: 26px;
  }
}

@media (max-width: 720px) {
  body {
    background:
      radial-gradient(circle at 18% 14%, rgba(59, 130, 246, 0.16), transparent 24%),
      linear-gradient(180deg, #fbfdff 0%, #f4f8fc 100%);
  }

  body::before {
    background-size: 38px 38px;
  }

  .wrap {
    padding: 0 18px;
  }

  .header-inner {
    height: 72px;
  }

  .logo img {
    width: 100%;
  }

  .mini-label {
    display: none;
  }

  .lang-switch a {
    min-width: 40px;
    height: 32px;
    padding: 0 10px;
  }

  .header-actions .btn {
    display: none;
  }

  .hero-title {
    font-size: clamp(28px, 8.4vw, 40px);
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-note {
    padding: 20px;
    border-radius: 20px;
  }

  .policy-panel {
    padding: 22px 18px;
    border-radius: 22px;
  }

  .policy-item {
    padding: 22px 18px;
    border-radius: 20px;
  }

  .policy-item h3 {
    font-size: 17px;
  }

  .policy-item p {
    font-size: 14px;
    line-height: 1.72;
  }

  .footer-note {
    text-align: left;
  }
}
