/* Basic Reset */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: #0b1220;
  background: radial-gradient(1200px 800px at 80% -10%, #c6e3ff40, transparent),
              radial-gradient(1000px 600px at -10% 80%, #baf8d440, transparent),
              #0b0f17;
}

/* Layout */
.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 720px;
  background: linear-gradient(180deg, #101826, #0e1623);
  border: 1px solid #1e2a3d;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.035);
  color: #e7edf6;
  text-align: center;
}

/* Lang switcher */
.lang-switch { display: flex; gap: 8px; justify-content: flex-end; margin-bottom: 8px; }
.lang-btn {
  background: #0f1a2b; color: #b9c9e6; border: 1px solid #1f3553;
  padding: 6px 10px; border-radius: 10px; font-size: 12px; font-weight: 700;
  letter-spacing: 0.6px; cursor: pointer; transition: all 140ms ease;
}
.lang-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.lang-btn[aria-pressed="true"] { background: #1a2b46; color: #e6f1ff; border-color: #284a75; }

/* Logo */
.logo { display: flex; justify-content: center; margin-bottom: 16px; }
.logo-mark {
  width: 64px; height: 64px; border-radius: 14px;
  background: linear-gradient(135deg, #38bdf8, #22d3ee);
  color: #04101a; font-weight: 800; font-size: 28px; letter-spacing: 0.5px;
  display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.35);
}

/* Typography */
.title {
  font-size: clamp(28px, 4vw, 40px);
  margin: 4px 0 6px;
  background: linear-gradient(180deg, #f8fbff, #cfe3ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.subtitle {
  margin: 0 0 16px;
  color: #a9b8d5;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.tagline {
  margin: 0 auto 18px;
  max-width: 56ch;
  color: #c7d4ea;
  line-height: 1.6;
}

/* Pills */
.pill-list {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  list-style: none; padding: 0; margin: 8px 0 22px;
}
.pill-list li {
  padding: 8px 12px; border-radius: 999px; font-size: 14px; color: #dbeafe;
  background: linear-gradient(180deg, #0f1b2d, #0c1726);
  border: 1px solid #213149;
}

/* Buttons */
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 16px; border-radius: 12px; text-decoration: none; font-weight: 600;
  border: 1px solid transparent; transition: all 160ms ease;
}
.btn.primary { background: linear-gradient(180deg, #38bdf8, #22d3ee); color: #082231; }
.btn.primary:hover { filter: brightness(1.05); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: #a8c7ff; border-color: #284167; }
.btn.ghost[aria-disabled="true"] { opacity: 0.6; cursor: not-allowed; }

/* Footer */
.footnote { margin-top: 26px; color: #97a8c6; font-size: 13px; opacity: 0.9; }

/* Small screens */
@media (max-width: 420px) {
  .card { padding: 28px; }
  .logo-mark { width: 56px; height: 56px; font-size: 24px; }
}