:root {
  --bg: #0b0f14;
  --bg-alt: #0f172a;
  --bg-soft: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #3b82f6;
  --border: #1f2937;
}

/* =========================
   RESET
========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* =========================
   BASE
========================= */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(1200px 600px at top center, #0f172a 0%, var(--bg) 60%);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

/* =========================
   CONTAINER
========================= */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 24px;
}

/* =========================
   HEADER
========================= */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.4px;
}

.logo span {
  color: var(--accent);
}

.nav a {
  margin-left: 22px;
  font-size: 0.9rem;
  color: var(--muted);
}

.nav a:hover {
  color: var(--text);
}

.lang-toggle {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 6px 12px;
  font-size: 0.75rem;
  cursor: pointer;
}

/* =========================
   HERO
========================= */
.hero {
  padding: 140px 0 120px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: 2.6rem;
  max-width: 900px;
  margin: 0 auto 24px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  max-width: 760px;
  margin: auto;
  color: var(--muted);
  font-size: 1rem;
}

.hero-badges {
  margin-top: 28px;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  font-size: 0.75rem;
}

/* =========================
   SECTIONS (GLOBAL)
========================= */
.section {
  position: relative;
  padding: 110px 0;
}

.section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 80%;
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.section.alt {
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.85),
    rgba(11, 15, 20, 0.85)
  );
}

/* =========================
   HEADINGS
========================= */
.section h2 {
  font-size: 1.9rem;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.section p {
  max-width: 760px;
  color: var(--muted);
}

/* =========================
   LISTS
========================= */
.bullet-list {
  margin-top: 24px;
  padding-left: 18px;
}

.bullet-list li {
  margin-bottom: 10px;
  color: var(--muted);
}

/* =========================
   TRANSPARENCY LINK
========================= */
.nav-validate {
  display: inline-block;
  margin-top: 22px;
  font-size: 0.85rem;
  color: var(--accent);
  border-bottom: 1px solid transparent;
}

.nav-validate:hover {
  border-color: var(--accent);
}

/* =========================
   CTA
========================= */
.cta {
  padding: 120px 0;
  text-align: center;
  background: radial-gradient(600px 300px at center, #1e293b 0%, var(--bg) 70%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta h2 {
  font-size: 2rem;
}

.cta p {
  margin: 18px auto;
  max-width: 720px;
}

.cta-button {
  display: inline-block;
  margin-top: 28px;
  padding: 14px 30px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.85rem;
}

.cta-button:hover {
  background: var(--accent);
  color: #fff;
}

/* =========================
   FOOTER
========================= */
.footer {
  padding: 60px 0;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: #0a0f16;
}

.footer-flex {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  margin-left: 8px;
}

/* =========================
   MOBILE
========================= */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .hero {
    padding: 100px 0 80px;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .section {
    padding: 80px 0;
  }
}