:root {
  --bg: #0b1220;
  --card: #1a2744;
  --text: #e6edf9;
  --muted: #b8c4dd;
  --primary: #5bc0ff;
  --accent: #85f4c3;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: linear-gradient(180deg, var(--bg) 0%, #0f1730 100%);
  color: var(--text);
  line-height: 1.65;
}

.hero {
  padding: 1.25rem 1.25rem 4rem;
  background:
    radial-gradient(circle at 20% 20%, rgba(91, 192, 255, .20), transparent 40%),
    radial-gradient(circle at 80% 10%, rgba(133, 244, 195, .16), transparent 32%);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.brand {
  font-weight: 800;
  letter-spacing: .4px;
}

.lang-btn,
.nav-btn,
.cta {
  text-decoration: none;
  border-radius: 999px;
  padding: .65rem 1rem;
  font-weight: 700;
  color: #031127;
  background: var(--accent);
  border: 0;
  min-height: 44px;
  cursor: pointer;
}

.lang-btn {
  background: rgba(255, 255, 255, .16);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .22);
}

.hero-content {
  max-width: 1100px;
  margin: 4rem auto 0;
}

.tag {
  color: var(--primary);
  font-weight: 600;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.2;
  margin: .4rem 0 1rem;
}

.subtitle {
  color: var(--muted);
  max-width: 760px;
  margin-bottom: 2rem;
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.25rem;
}

.section h2 { margin-top: 0; font-size: 1.7rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  padding: 1.1rem;
}

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

.section-highlight {
  background: rgba(9, 16, 31, .56);
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.pricing-note { color: var(--muted); margin-bottom: 1rem; }

.pricing-box {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .8rem;
  background: var(--card);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  padding: 1rem;
  width: fit-content;
}

.price-item span { display: block; color: var(--muted); font-size: .92rem; }
.price-item strong { font-size: 1.4rem; }
.price-divider { opacity: .7; }
.small { color: var(--muted); }

.faq-list {
  display: grid;
  gap: .75rem;
}

.faq-list details {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  padding: .8rem 1rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-list p { color: var(--muted); margin-bottom: .3rem; }

.contact-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.contact-card {
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  padding: 1rem 1.05rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.contact-label {
  color: var(--muted);
  font-size: .92rem;
  font-weight: 600;
}

.contact-value {
  font-size: 1.15rem;
  letter-spacing: .2px;
  word-break: break-word;
}

.footer {
  text-align: center;
  color: #9fb1d3;
  padding: 2rem 1rem 2.5rem;
}

/* Tablet and large phones */
@media (max-width: 768px) {
  .hero { padding-bottom: 2.8rem; }
  .hero-content { margin-top: 2.2rem; }
  .section { padding: 2.2rem 1rem; }
  .pricing-box { width: 100%; }
}

/* iPhone/Android mainstream widths */
@media (max-width: 480px) {
  body { line-height: 1.58; }
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: .85rem;
  }
  .nav-right {
    width: 100%;
    justify-content: flex-start;
    gap: .65rem;
    flex-wrap: wrap;
  }
  .lang-btn,
  .nav-btn {
    padding: .58rem .88rem;
    min-height: 40px;
    font-size: .95rem;
  }
  .brand {
    font-size: 1.05rem;
    line-height: 1.3;
  }
  h1 { font-size: clamp(1.6rem, 8vw, 2.2rem); }
  .price-item strong { font-size: 1.2rem; }
  .section h2 { font-size: 1.4rem; }
}