:root {
  --bg:      #f0f7fb;
  --surface: #ffffff;
  --card:    #ffffff;
  --border:  #d6eaf5;
  --blue:    #48bde8;
  --blue2:   #2fa8d8;
  --coral:   #ff6450;
  --text:    #1a2b4a;
  --dim:     #5a7090;
  --radius:  14px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  line-height: 1.7;
  font-size: 16px;
}

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: rgba(255,255,255,.90);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 17px;
}
.nav-icon {
  width: 32px; height: 32px;
  background: var(--blue);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: #fff;
  font-weight: 900;
}
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a {
  color: var(--dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color .15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--blue2); }

/* ── Lang toggle ── */
.lang-btn {
  background: var(--blue);
  border: none;
  color: #fff;
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}
.lang-btn:hover { background: var(--blue2); }

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 72px 24px 56px;
  background: linear-gradient(160deg, #e0f4fd 0%, #f0f7fb 60%);
  border-bottom: 1px solid var(--border);
}
.hero-badge {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  border-radius: 20px;
  padding: 5px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .6px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -.5px;
  margin-bottom: 16px;
  color: var(--text);
}
.hero h1 span { color: var(--blue2); }
.hero p {
  color: var(--dim);
  max-width: 560px;
  margin: 0 auto;
  font-size: 17px;
}

/* ── Container ── */
.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ── Section ── */
.section { margin-top: 56px; }
.section-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}
.section h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

/* ── Card ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 12px;
  box-shadow: 0 2px 12px rgba(72,189,232,.08);
}
.card + .card { margin-top: 10px; }
.card-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  background: var(--blue);
  color: #fff;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 10px;
}
.card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.card p, .card li { color: var(--dim); font-size: 15px; }
.card ul { padding-left: 18px; }
.card li { margin-bottom: 6px; }

/* ── FAQ ── */
.faq-q {
  font-size: 15px;
  font-weight: 700;
  color: var(--blue2);
  margin-bottom: 6px;
}
.faq-a { color: var(--dim); font-size: 14px; }

/* ── Privacy bullets ── */
.check-list { list-style: none; padding: 0; }
.check-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 10px;
  font-size: 15px;
  color: var(--dim);
}
.check-list li:last-child { border: none; }
.check-list li::before {
  content: "✓";
  color: var(--blue);
  font-weight: 900;
  flex-shrink: 0;
}

/* ── Notice ── */
.notice {
  background: #fff8e1;
  border: 1px solid #ffe082;
  border-radius: 10px;
  padding: 16px 20px;
  color: #7a6020;
  font-size: 14px;
  margin-top: 16px;
}

/* ── Contact button ── */
.contact-link {
  display: inline-block;
  margin-top: 14px;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 24px;
  transition: background .15s;
}
.contact-link:hover { background: var(--blue2); }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--dim);
  font-size: 13px;
  background: var(--surface);
}
footer a { color: var(--blue2); text-decoration: none; }

/* ── Responsive ── */
@media (max-width: 600px) {
  nav { padding: 12px 16px; }
  .hero { padding: 48px 16px 40px; }
  .container { padding: 0 16px 60px; }
}