:root {
  --bg: #f5f9ff;
  --bg-accent: #e9f2ff;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --text: #143253;
  --text-soft: #45617f;
  --line: #cfe0f4;
  --blue: #1d6fe8;
  --blue-deep: #0f4db0;
  --blue-soft: #dcebff;
  --success: #1b7f5f;
  --shadow: 0 18px 40px rgba(24, 64, 117, 0.10);
  --radius: 8px;
  --content-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(119, 184, 255, 0.18), transparent 28%),
    linear-gradient(180deg, var(--bg-accent) 0%, var(--bg) 28%, #ffffff 100%);
  min-height: 100vh;
}

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

a:hover {
  text-decoration: underline;
}

.site-shell {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
}

.site-header {
  padding: 18px 0 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(207, 224, 244, 0.9);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

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

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(160deg, var(--blue) 0%, #7eb5ff 100%);
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 10px 24px rgba(29, 111, 232, 0.28);
}

.brand-copy strong {
  display: block;
  font-size: 16px;
  line-height: 1.1;
}

.brand-copy span {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  color: var(--text-soft);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.nav-group {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
}

.lang-switch a {
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
}

.lang-switch a.active,
.lang-switch a:hover {
  background: var(--blue-soft);
  color: var(--blue-deep);
  text-decoration: none;
}

.nav a {
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 600;
}

.nav a.active,
.nav a:hover {
  background: var(--blue-soft);
  color: var(--blue-deep);
  text-decoration: none;
}

.hero {
  padding: 44px 0 26px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.85fr);
  gap: 24px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.content-card,
.faq-item,
.section-band {
  background: var(--surface);
  border: 1px solid rgba(207, 224, 244, 0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-copy {
  padding: 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.02;
}

h2 {
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.1;
}

h3 {
  font-size: 18px;
  line-height: 1.2;
}

.lead {
  margin: 18px 0 0;
  max-width: 52ch;
  color: var(--text-soft);
  font-size: 18px;
  line-height: 1.6;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff;
}

.button-secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--blue-deep);
}

.button:hover {
  text-decoration: none;
}

.hero-panel {
  display: grid;
  gap: 14px;
  padding: 28px;
}

.hero-panel .panel-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-deep);
  text-transform: uppercase;
}

.fact-list {
  display: grid;
  gap: 12px;
}

.fact {
  padding: 14px 16px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.fact strong,
.stat strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
}

.fact span,
.stat span,
.muted {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.5;
}

.stats-grid,
.card-grid,
.mini-grid {
  display: grid;
  gap: 16px;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 16px 0 28px;
}

.stat,
.content-card {
  padding: 22px;
}

.card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mini-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.content-area {
  padding: 10px 0 54px;
}

.section-stack {
  display: grid;
  gap: 18px;
}

.section-band {
  padding: 28px;
}

.section-band p,
.content-card p,
.faq-answer,
li {
  color: var(--text-soft);
  line-height: 1.7;
}

ul,
ol {
  margin: 14px 0 0;
  padding-left: 20px;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.faq-item {
  padding: 20px 22px;
}

.faq-question {
  font-size: 18px;
  font-weight: 700;
}

.faq-answer {
  margin-top: 10px;
}

.footer {
  padding: 0 0 40px;
}

.footer-card {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: rgba(20, 50, 83, 0.94);
  color: rgba(255, 255, 255, 0.88);
  border-radius: var(--radius);
}

.footer-card a {
  color: #cfe2ff;
}

.footer-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.notice {
  padding: 14px 16px;
  border-left: 4px solid var(--blue);
  background: #f8fbff;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.contact-block {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

@media (max-width: 920px) {
  .hero-grid,
  .card-grid,
  .mini-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .hero-panel,
  .section-band,
  .content-card,
  .faq-item {
    padding: 24px;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--content-width));
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .nav-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 28px;
  }

  .lead {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }
}