:root {
  --bg: #0b0e14;
  --bg-alt: #10141d;
  --card: #141926;
  --border: #232b3d;
  --text: #e8ecf3;
  --muted: #97a3b8;
  --accent: #4f8cff;
  --accent-2: #7c5cff;
  --radius: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; }
img { max-width: 100%; }

/* ── Nav ── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 14, 20, .85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: .8rem 1.4rem;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.brand-logo { width: 32px; height: 32px; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links > a { text-decoration: none; color: var(--muted); font-size: .95rem; transition: color .15s; }
.nav-links > a:hover { color: var(--text); }
.nav-burger { display: none; background: none; border: 0; cursor: pointer; padding: .4rem; }
.nav-burger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; }
.nav-mobile { display: none; flex-direction: column; gap: .4rem; padding: .8rem 1.4rem 1.2rem; }
.nav-mobile.open { display: flex; }
.nav-mobile a { text-decoration: none; color: var(--muted); padding: .5rem 0; border-bottom: 1px solid var(--border); }

/* ── Language dropdown (renderWebLanguageDropdown) ── */
.lang-dropdown { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: .35rem;
  background: var(--card); border: 1px solid var(--border);
  color: var(--text); border-radius: 9px; padding: .42rem .7rem;
  cursor: pointer; font-size: .85rem;
}
.lang-menu {
  display: none; position: absolute; right: 0; top: calc(100% + 6px);
  min-width: 190px; max-height: 320px; overflow-y: auto;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: .4rem; z-index: 200;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .5);
}
.lang-menu.open { display: block; }
.lang-menu a {
  display: flex; align-items: center; gap: .5rem;
  padding: .45rem .6rem; border-radius: 8px;
  text-decoration: none; font-size: .88rem; color: var(--muted);
}
.lang-menu a:hover { background: var(--bg-alt); color: var(--text); }
.lang-menu a.active { color: var(--accent); }

/* ── Buttons ── */
.btn {
  display: inline-block; text-decoration: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 600; border-radius: 12px;
  padding: .7rem 1.5rem; transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(79, 140, 255, .35); }
.btn-sm { padding: .42rem 1rem; font-size: .88rem; }
.btn-lg { padding: .95rem 2.2rem; font-size: 1.05rem; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); box-shadow: none; }

/* ── Hero ── */
.hero {
  padding: 5.5rem 1.4rem 5rem; text-align: center;
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(79, 140, 255, .16), transparent 70%),
    radial-gradient(40% 35% at 80% 20%, rgba(124, 92, 255, .12), transparent 70%);
}
.hero-inner { max-width: 780px; margin: 0 auto; }
.hero-logo { width: 96px; height: 96px; border-radius: 22px; margin-bottom: 1.6rem; box-shadow: 0 18px 50px rgba(79, 140, 255, .3); }
.hero-badge {
  display: inline-block; font-size: .8rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent); border: 1px solid rgba(79, 140, 255, .4);
  padding: .3rem .9rem; border-radius: 999px; margin-bottom: 1.2rem;
}
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.15; font-weight: 800; margin-bottom: 1.1rem; }
.hero-sub { color: var(--muted); font-size: 1.15rem; max-width: 640px; margin: 0 auto 2rem; }
.hero-ctas { display: flex; gap: .9rem; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 1.4rem; color: var(--muted); font-size: .85rem; }

/* ── Sections ── */
.section { max-width: 1120px; margin: 0 auto; padding: 4.5rem 1.4rem; }
.section-alt { background: var(--bg-alt); max-width: none; }
.section-alt > * { max-width: 1120px; margin-left: auto; margin-right: auto; }
.section h2 { text-align: center; font-size: 2rem; font-weight: 800; }
.section-sub { text-align: center; color: var(--muted); margin: .8rem auto 2.8rem; max-width: 560px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.6rem;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: rgba(79, 140, 255, .5); transform: translateY(-2px); }
.card-icon {
  width: 44px; height: 44px; border-radius: 11px;
  background: rgba(79, 140, 255, .12); color: var(--accent);
  display: flex; align-items: center; justify-content: center; margin-bottom: 1rem;
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.card p { color: var(--muted); font-size: .92rem; }

/* ── Steps ── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.step {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.8rem 1.6rem; position: relative;
}
.step-num {
  display: inline-flex; width: 34px; height: 34px; border-radius: 50%;
  align-items: center; justify-content: center; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  margin-bottom: 1rem;
}
.step h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.step p { color: var(--muted); font-size: .92rem; }

/* ── Download ── */
.download-box {
  text-align: center; background: var(--card);
  border: 1px solid var(--border); border-radius: 20px;
  padding: 3.5rem 2rem;
  background: radial-gradient(70% 100% at 50% 0%, rgba(79, 140, 255, .12), transparent 75%), var(--card);
}
.dl-req { margin-top: 1.1rem; color: var(--muted); font-size: .85rem; }

/* ── Footer ── */
.footer { border-top: 1px solid var(--border); background: var(--bg-alt); }
.footer-inner {
  max-width: 1120px; margin: 0 auto; padding: 2.6rem 1.4rem 1.4rem;
  display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
}
.footer-brand { max-width: 320px; }
.footer-brand span { font-weight: 700; margin-left: .5rem; vertical-align: middle; }
.footer-brand p { color: var(--muted); font-size: .88rem; margin-top: .7rem; }
.footer-links { display: flex; gap: 1.4rem; align-items: flex-start; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: .9rem; }
.footer-links a:hover { color: var(--text); }
.footer-copy { text-align: center; color: var(--muted); font-size: .8rem; padding: 0 1.4rem 1.8rem; }

/* ── Legal pages ── */
.legal { max-width: 760px; margin: 0 auto; padding: 3.5rem 1.4rem 4.5rem; }
.legal h1 { font-size: 2rem; margin-bottom: .4rem; }
.legal-updated { color: var(--muted); font-size: .85rem; margin-bottom: 2.4rem; }
.legal h2 { font-size: 1.2rem; margin: 2rem 0 .5rem; }
.legal p { color: var(--muted); font-size: .95rem; }

/* ── Responsive ── */
@media (max-width: 860px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-burger { display: block; }
}
@media (max-width: 540px) {
  .grid { grid-template-columns: 1fr; }
}