:root {
  --bg: #0b1020;
  --bg-alt: #0f1731;
  --surface: #131d3d;
  --text: #e8ecf8;
  --muted: #b4c1e0;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --border: #23315f;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: radial-gradient(circle at top right, #172856, var(--bg) 40%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: #8cb6ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 16, 32, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
}

.brand {
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  font-weight: 700;
}

.lang-btn.active {
  background: var(--accent);
  color: #fff;
}

.hero {
  padding: 6rem 0 4rem;
}

.eyebrow {
  color: #9ec0ff;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.15;
  margin: 0;
  max-width: 900px;
}

.hero-text {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 800px;
  margin-top: 1rem;
}

.cta-btn {
  display: inline-block;
  margin-top: 1.5rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border-radius: 0.75rem;
  padding: 0.8rem 1.1rem;
}

.cta-btn:hover {
  background: var(--accent-hover);
  text-decoration: none;
}

.section {
  padding: 3rem 0;
}

.section h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
  margin: 0 0 1.2rem;
}

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

.card {
  background: rgba(19, 29, 61, 0.85);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1.2rem;
}

.card h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

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

.card ul {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
}

.card li {
  margin-bottom: 0.4rem;
}

.alt {
  background: rgba(15, 23, 49, 0.55);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.value-item {
  background: rgba(19, 29, 61, 0.85);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1rem;
}

.value-item h3 {
  margin-top: 0;
  margin-bottom: 0.55rem;
}

.value-item p {
  color: var(--muted);
  margin: 0;
}

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

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 10, 20, 0.78);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 70;
}

.modal-backdrop.open {
  display: flex;
}

.modal-card {
  width: min(100%, 560px);
  background: #101938;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1.2rem;
  position: relative;
}

.modal-card h2 {
  margin: 0 0 0.4rem;
}

.modal-card p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.modal-close {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 1.1rem;
  border-radius: 0.55rem;
  width: 2rem;
  height: 2rem;
  cursor: pointer;
}

.strategy-form {
  display: grid;
  gap: 0.55rem;
}

.strategy-form label {
  color: #d5def6;
  font-weight: 600;
  font-size: 0.92rem;
}

.strategy-form input,
.strategy-form textarea {
  width: 100%;
  background: #0a122c;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 0.7rem 0.75rem;
  font: inherit;
}

.modal-submit {
  border: 0;
  cursor: pointer;
}

.payment-wrap {
  max-width: 760px;
}

.payment-card {
  background: rgba(19, 29, 61, 0.9);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1.2rem;
}

.custom-pay-btn {
  margin-top: 1rem;
  display: inline-flex;
  flex-direction: column;
  gap: 0.2rem;
  background: linear-gradient(135deg, #14b8a6, #0f766e);
  color: #fff;
  border-radius: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 0.9rem 1.1rem;
  font-weight: 700;
  min-width: 260px;
}

.custom-pay-btn .pay-main {
  font-size: 1rem;
}

.custom-pay-btn .pay-sub {
  font-size: 0.86rem;
  opacity: 0.95;
}

.custom-pay-btn:hover {
  text-decoration: none;
  filter: brightness(1.08);
}

.legal {
  min-height: 72vh;
}

.legal-content h1,
.legal-content h2,
.legal-content h3 {
  margin-bottom: 0.5rem;
}

.legal-content h2 {
  margin-top: 1.6rem;
}

.legal-content h3 {
  margin-top: 1.2rem;
  font-size: 1rem;
}

.legal-content p {
  color: var(--muted);
  margin-top: 0.25rem;
}

.legal-note {
  margin-top: 1.5rem;
  font-weight: 700;
  color: #d4deff;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.2rem 0;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 1rem;
}

@media (max-width: 900px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .cards,
  .value-grid {
    grid-template-columns: 1fr;
  }
}