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

:root {
  --bg-dark: #06090f;
  --bg-card: rgba(15,23,42,0.55);
  --border-soft: rgba(96,165,250,0.18);
  --accent: #3b82f6;
  --accent-2: #2563eb;
  --text-dim: #ffffffcc;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-dark);
  color: #fff;
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ===== BLUE/BLACK AURORA & GRADIENT BG ===== */
.aurora-bg {
  position: fixed;
  inset: -30% -20% auto -20%;
  height: 70vh;
  background: linear-gradient(120deg, rgba(37,99,235,0.18), rgba(59,130,246,0.18), rgba(14,165,233,0.12));
  filter: blur(90px);
  animation: auroraFlow 20s ease-in-out infinite alternate;
  z-index: -2;
}
@keyframes auroraFlow {
  0% { transform: translateX(-10%) translateY(0) scale(1); }
  100% { transform: translateX(10%) translateY(-12%) scale(1.25); }
}

.bg {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, #1e40af33, transparent 40%),
              radial-gradient(circle at 80% 60%, #2563eb33, transparent 40%),
              linear-gradient(180deg,#05070c,#0b1220);
  z-index: -3;
}
.bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(96,165,250,0.07) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(96,165,250,0.07) 1px, transparent 1px);
  background-size: 70px 70px;
  opacity: .35;
}

/* ===== TOPBAR ===== */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 40px;
  backdrop-filter: blur(18px);
  background: rgba(10,15,25,0.55);
  border-bottom: 1px solid var(--border-soft);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  z-index: 9999;
}
.logo {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.logo span { color: var(--accent); }
.premium {
  margin-left: 12px;
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg,var(--accent),var(--accent-2));
  color: #fff;
}
.nav a {
  margin-left: 26px;
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  transition: .25s;
}
.nav a:hover { color: var(--accent-2); }

/* ===== PAGE LAYOUT ===== */
.page {
  padding: 80px 20px 100px;
  max-width: 1100px;
  margin: auto;
}

/* ===== CARDS ===== */
.card {
  /* opacity: 0; */          /* remove or comment */
  /* transform: translateY(40px) scale(.98); */ /* remove */
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 22px;
  padding: 48px 30px;
  text-align: center;
  margin-bottom: 30px;
  box-shadow: 0 25px 80px rgba(0,0,0,0.65);
  transition: .35s ease;
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: #60a5fa55;
}
.card h1, .card h2 { color: #fff; }
.card p, ul { color: #fff; }

/* ===== BUTTON ===== */
.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow: 0 12px 30px rgba(37,99,235,0.45);
  transition: .25s ease;
  position: relative;
  overflow: hidden;
}
.btn:hover { transform: translateY(-2px); box-shadow:0 14px 40px #60a5fa88; }

/* ===== PARTICLES & SCROLL REVEAL ===== */
.particle { position: fixed; width: 6px; height: 6px; background: var(--accent-2); border-radius: 50%; opacity: .35; animation: float linear infinite; }
@keyframes float { from{transform:translateY(100vh);} to{transform:translateY(-10vh);} }
.reveal { opacity:1 !important; transform: translateY(0) scale(1) !important; }

/* ===== MOBILE ===== */
@media(max-width:700px){ .card h1{font-size:30px} .topbar{padding:16px 18px} .nav{display:none} }