/* ── Reset & Base ─────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg-gradient: radial-gradient(circle at top right, #e2e8f0, #f8fafc);
  --glass-bg:    rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
  
  --text:        #0f172a;
  --text-muted:  #64748b;
  --accent:      #2563eb;
  
  --radius:      24px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}

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

body {
  margin: 0; padding: 0;
  min-height: 100vh;
  background: var(--bg-gradient);
  background-size: 200% 200%;
  animation: gradientFlow 15s ease infinite;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Background blob for depth */
body::before {
  content: "";
  position: fixed;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: rgba(255, 255, 255, 0.4);
  filter: blur(80px);
  border-radius: 50%;
  z-index: -1;
  animation: floatBlob 15s ease-in-out infinite alternate;
}

@keyframes floatBlob {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-100px, 150px) scale(1.2); }
}

/* ── Container & Header ───────────────────────────── */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

.header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
}

.logo { 
  width: 64px; height: 64px; 
  border-radius: 16px; 
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

h1 { 
  font-size: 32px; 
  font-weight: 800; 
  margin: 0; 
  letter-spacing: -1px; 
  background: linear-gradient(90deg, #1e293b, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle { 
  margin: 4px 0 0; 
  font-size: 16px; 
  color: var(--text-muted); 
  font-weight: 500; 
}

/* ── Content Card ─────────────────────────────────── */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--glass-shadow);
}

h2 {
  font-size: 24px;
  font-weight: 800;
  margin-top: 0;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

h3 {
  font-size: 18px;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 12px;
}

p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 500;
}

ul {
  padding-left: 20px;
  margin-bottom: 24px;
}

li {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

strong {
  color: var(--text);
  font-weight: 700;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent);
  margin: 40px 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.footer-note {
  text-align: center;
  margin-bottom: 0;
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 600px) {
  .card { padding: 24px; }
  .header { flex-direction: column; text-align: center; gap: 12px; }
  h1 { font-size: 26px; }
}