/* --- GLOBAL LAYOUT --- */
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; margin:0; color:#111827; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  margin: 0;
  color: #111827;
  background: linear-gradient(120deg, #f8fafc 0%, #e0e7ff 100%);
  min-height: 100vh;
}
.container { max-width: 1100px; margin: 0 auto; padding: 1.25rem; }
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem;
  background: rgba(255,255,255,0.85);
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(60,80,180,0.07);
  backdrop-filter: blur(4px);
}
h1,h2,h3,h4 { margin:0 0 .5rem 0; }
.muted { color:#6b7280; }

/* --- HEADER --- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid #e5e7eb;
}
.nav-wrap {
  max-width: 1100px; margin: 0 auto; padding: .6rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: #111827; }
.brand-logo {
  width: 28px; height: 28px; border-radius: 6px;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  box-shadow: inset 0 0 0 2px #ffffffa8;
}
.brand-text { font-size: 1.05rem; }
.nav { display: flex; align-items: center; gap: 1rem; }
.nav-link { text-decoration: none; color: #374151; padding: .4rem .2rem; border-radius: 8px; }
.nav-link {
  text-decoration: none;
  color: #374151;
  padding: .4rem .2rem;
  border-radius: 8px;
  transition: background .2s, color .2s, box-shadow .2s;
}
.nav-link:hover { color: #111827; background: #f3f4f6; }
.nav-link:hover {
  color: #111827;
  background: #e0e7ff;
  box-shadow: 0 2px 8px rgba(60,80,180,0.07);
}
.nav-user { color: #6b7280; }
.btn-pro { text-decoration:none; background:#111827; color:#fff; padding:.5rem .8rem; border-radius:10px; font-weight:700; }
.btn-pro {
  text-decoration: none;
  background: linear-gradient(90deg, #6366f1 0%, #111827 100%);
  color: #fff;
  padding: .5rem 1.1rem;
  border-radius: 12px;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(31,41,55,0.09);
  transition: filter .2s, box-shadow .2s, transform .2s;
}
.btn-pro:hover { filter: brightness(1.1); }
.btn-pro:hover {
  filter: brightness(1.1);
  box-shadow: 0 8px 24px rgba(60,80,180,0.13);
  transform: translateY(-2px);
}
.burger { display: none; background: transparent; border: 0; padding: .4rem; }
.burger-line { display: block; width: 22px; height: 2px; background: #111827; margin: 4px 0; border-radius: 2px; }
@media (max-width: 860px) {
  .burger { display: inline-block; }
  .nav { position: absolute; top: 56px; right: 12px; left: 12px;
         background:#fff; border:1px solid #e5e7eb; border-radius:12px;
         padding:.6rem; display:none; flex-direction:column; gap:.4rem; }
  .nav.open { display:flex; }
  .btn-pro { width:100%; text-align:center; }
}

/* --- FOOTER --- */
.site-footer { border-top:1px solid #e5e7eb; margin-top:2rem; }
.footer-inner { max-width:1100px; margin:0 auto; padding:1.25rem;
  display:flex; gap:1rem; justify-content:space-between; flex-wrap:wrap; font-size:.9rem; }
.footer-links { display:flex; gap:.8rem; }
.footer-links a { color:#4b5563; text-decoration:none; }
.footer-links a:hover { text-decoration:underline; }

/* --- HERO --- */
.hero {
  background: radial-gradient(1200px 500px at 10% -10%, #e0e7ff 0%, transparent 60%),
              radial-gradient(900px 400px at 110% 20%, #dcfce7 0%, transparent 60%),
              linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-radius: 18px;
  padding: 3rem 2rem;
  box-shadow: 0 10px 30px rgba(31,41,55,0.12);
  animation: floatHero 2.5s ease-in-out infinite alternate;
}
@keyframes floatHero {
  0% { box-shadow: 0 10px 30px rgba(31,41,55,0.12); transform: translateY(0); }
  100% { box-shadow: 0 18px 40px rgba(31,41,55,0.18); transform: translateY(-8px); }
}
  text-align:center;
}
.hero h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); line-height:1.3; margin-bottom:1rem; }
.hero p.lead { font-size: clamp(1rem, 1.4vw, 1.1rem); line-height:1.6; max-width:800px; margin:0 auto 1.5rem; }
.badges { display:flex; flex-wrap:wrap; gap:.6rem; justify-content:center; margin-bottom:1rem; }
.badge { background:#eef2ff; color:#3730a3; border:1px solid #c7d2fe; padding:.28rem .55rem; border-radius:999px; font-size:.78rem; font-weight:600; }
.cta-row { display:flex; gap:.6rem; justify-content:center; flex-wrap:wrap; }
.btn { display:inline-block; padding:.7rem 1rem; border-radius:10px; text-decoration:none; font-weight:700; }
.btn-primary { background:#111827; color:#fff; }
.btn-primary:hover { filter:brightness(1.1); }
.btn-ghost { background:#fff; color:#111827; border:1px solid #e5e7eb; }
.btn-ghost:hover { background:#f9fafb; }

/* --- VALUE CARDS --- */
.values { display:grid; gap:.8rem; margin:2rem 0; }
@media(min-width:720px){ .values{ grid-template-columns:repeat(4,1fr); } }
.value { background:#fff; border:1px solid #e5e7eb; border-radius:14px; padding:1rem; text-align:center; }
.value h4 { margin-bottom:.3rem; font-size:.96rem; }

/* --- ARTICLE GRID --- */
.section { margin-top:2rem; }
.grid { display:grid; gap:1rem; }
@media(min-width:720px){ .grid{ grid-template-columns:repeat(3,1fr); } }
.card { background:#fff; border:1px solid #e5e7eb; border-radius:14px; padding:1rem; }
.card {
  background: rgba(255,255,255,0.95);
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 1.1rem;
  box-shadow: 0 4px 16px rgba(31,41,55,0.08);
  transition: box-shadow .2s, transform .2s;
  animation: floatCard 2.2s ease-in-out infinite alternate;
}
@keyframes floatCard {
  0% { box-shadow: 0 4px 16px rgba(31,41,55,0.08); transform: translateY(0); }
  100% { box-shadow: 0 10px 24px rgba(31,41,55,0.13); transform: translateY(-4px); }
}
.card.locked { background:#fff7ed; border-color:#fed7aa; }
.card.locked {
  background: linear-gradient(90deg, #fff7ed 60%, #fef3c7 100%);
  border-color: #fed7aa;
}
.btn {
  display: inline-block;
  padding: .7rem 1.1rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: 0 2px 8px rgba(31,41,55,0.07);
  transition: transform .15s, box-shadow .2s, background .2s, color .2s;
}
.btn-primary {
  background: linear-gradient(90deg, #6366f1 0%, #111827 100%);
  color: #fff;
}
.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 10px 20px rgba(60,80,180,0.13);
  transform: translateY(-2px);
}
.btn-ghost {
  background: #fff;
  color: #111827;
  border: 1px solid #e5e7eb;
}
.btn-ghost:hover {
  background: #e0e7ff;
  box-shadow: 0 8px 18px rgba(31,41,55,0.08);
  transform: translateY(-2px);
}
.value {
  background: rgba(255,255,255,0.97);
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 1rem;
  text-align: center;
  box-shadow: 0 2px 8px rgba(31,41,55,0.05);
  transition: box-shadow .2s, transform .2s;
  animation: floatValue 2.8s ease-in-out infinite alternate;
}
@keyframes floatValue {
  0% { box-shadow: 0 2px 8px rgba(31,41,55,0.05); transform: translateY(0); }
  100% { box-shadow: 0 8px 18px rgba(31,41,55,0.09); transform: translateY(-3px); }
}
.divider {
  height: 2px;
  background: linear-gradient(90deg, #6366f1 0%, #e5e7eb 50%, #22d3ee 100%);
  margin: 1.7rem 0;
  border-radius: 2px;
}

/* --- CTA BOTTOM --- */
.cta-bottom { text-align:center; padding:2rem 0; }
.cta-bottom h2 { margin-bottom:.8rem; }