*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0d0d12;
  --bg2:      #14141e;
  --border:   #2a2a3a;
  --orange:   #FF8C00;
  --orange2:  #e67e00;
  --text:     #e8e8f0;
  --muted:    #888899;
  --max:      680px;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Layout ── */
header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
}

header .inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

header .logo-text {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 3px;
  color: #fff;
}

header .logo-text span { color: var(--orange); }

header nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
}

header nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color .15s;
}

header nav a:hover { color: var(--orange); }

main {
  flex: 1;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
  padding: 48px 24px 64px;
}

footer {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}

footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--orange); }

/* ── Hero (index) ── */
.hero {
  text-align: center;
  padding: 48px 0 56px;
}

.hero .suits {
  font-size: 2.2rem;
  letter-spacing: 10px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: 4px;
  color: #fff;
  margin-bottom: 10px;
}

.hero p {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 40px;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.card-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 24px;
  text-decoration: none;
  color: var(--text);
  transition: border-color .2s, transform .15s;
}

.card-link:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.card-link .icon { font-size: 1.8rem; }
.card-link .title { font-weight: 700; font-size: 1rem; color: #fff; }
.card-link .desc { font-size: 0.85rem; color: var(--muted); }

/* ── Language tabs ── */
.lang-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.lang-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 10px 16px 12px;
  margin-bottom: -1px;
  transition: color .15s, border-color .15s;
}

.lang-tab:hover { color: var(--text); }

.lang-tab.active {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ── Content sections ── */
.lang-section { display: none; }
.lang-section.active { display: block; }

.lang-section h1 {
  font-size: 1.6rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 6px;
}

.lang-section .updated {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 36px;
}

.lang-section h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--orange);
  margin: 32px 0 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.lang-section p { margin-bottom: 12px; color: var(--text); }

.lang-section a { color: var(--orange); text-decoration: none; }
.lang-section a:hover { text-decoration: underline; }

/* ── FAQ ── */
.faq-item { margin-bottom: 24px; }

.faq-item .q {
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.faq-item .a { color: var(--text); }

/* ── Contact box ── */
.contact-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 32px;
}

.contact-box a {
  color: var(--orange);
  font-weight: 600;
  text-decoration: none;
}

.contact-box a:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .lang-tab { padding: 10px 10px 12px; font-size: 0.8rem; }
}