/* ============================================
   GreeksEngine — Landing Page Styles
   ============================================ */

/* ---- Reset & Base ---- */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #060913;
  color: #fff;
  font-family: Arial, sans-serif;
  overflow-x: hidden;
}

/* ---- Background Canvas (particle animation) ---- */
canvas#bg {
  position: fixed;
  inset: 0;
  z-index: -2;
}

/* ---- Mouse Glow Effect ---- */
#glow {
  position: fixed;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, #29b6ff55, transparent 70%);
  pointer-events: none;
  z-index: -1;
  transform: translate(-50%, -50%);
}

/* ---- Navigation Bar ---- */
nav {
  display: flex;
  justify-content: space-between;
  padding: 18px 8%;
  position: sticky;
  top: 0;
  background: #0a1020aa;
  backdrop-filter: blur(12px);
}

a {
  color: #fff;
  text-decoration: none;
  margin-left: 18px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  height: 36px;
  width: auto;
  display: block;
}

.logo-name {
  height: 28px;
  width: auto;
  display: block;
}

/* ---- Hero Section ---- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  min-height: 100vh;
  padding: 8%;
}

/* Shared glassmorphism style for pills, buttons, panels, and cards */
.pill,
.btn,
.panel,
.card {
  border: 1px solid #ffffff20;
  background: #ffffff10;
  backdrop-filter: blur(16px);
  border-radius: 18px;
}

.pill {
  display: inline-block;
  padding: 8px 14px;
}

.hero h1 {
  font-size: 64px;
}

.hero h1 span {
  color: #6ce2ff;
}

.btn {
  display: inline-block;
  padding: 14px 20px;
  margin-top: 16px;
}

.panel,
.card {
  padding: 22px;
}

/* ---- Visual Panel (Hero Dashboard) ---- */
.visual-panel {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Payout Chart Canvas Area */
.chart-area {
  position: relative;
  height: 220px;
  background: #060b18;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #ffffff10;
}

#payoutChart {
  width: 100%;
  height: 100%;
  display: block;
}

.chart-label {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 11px;
  color: #4bc7ff80;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ---- Greeks Strip (Animated Real-time Greek Values) ---- */
.greeks-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.greek-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 4px;
  background: #ffffff08;
  border-radius: 10px;
  border: 1px solid #ffffff08;
  transition: border-color 0.3s;
}

.greek-item:hover {
  border-color: #4bc7ff30;
}

.greek-sym {
  font-size: 20px;
  color: #4bc7ff;
  font-weight: 700;
  line-height: 1;
}

.greek-val {
  font-size: 18px;
  font-weight: 700;
  font-family: 'Courier New', monospace;
  margin: 4px 0 2px;
  transition: color 0.5s;
}

.greek-val.up {
  color: #4caf50;
}

.greek-val.down {
  color: #f44336;
}

.greek-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #ffffff60;
}

/* ---- Feature Cards (How It Works section) ---- */
.card-icon {
  font-size: 32px;
  margin-bottom: 8px;
  justify-self: center;
}

.card h3{
    justify-self: center;
}
.card p {
  line-height: 1.6;
  color: #ffffffb0;
  font-size: 14px;
}

/* ---- Card Grid Layout ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

/* ---- Benefits Grid (Why GreeksEngine) ---- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 10px;
}

.benefit-item {
  border: 1px solid #ffffff10;
  background: #ffffff08;
  backdrop-filter: blur(16px);
  border-radius: 16px;
  padding: 24px;
  transition: border-color 0.3s, transform 0.3s;
}

.benefit-item:hover {
  border-color: #4bc7ff30;
  transform: translateY(-2px);
}

.benefit-item h3 {
  margin: 0 0 10px 0;
  font-size: 18px;
  color: #fff;
}

.benefit-item p {
  margin: 0;
  line-height: 1.7;
  color: #ffffffb0;
  font-size: 14px;
}

/* ---- Stats Row ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.stat-item {
  text-align: center;
  padding: 20px 12px;
  background: #ffffff08;
  border: 1px solid #ffffff10;
  border-radius: 14px;
}

.stat-number {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: #4bc7ff;
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 12px;
  color: #ffffff80;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 6px;
}

/* ---- Trust Banner ---- */
.trust-banner {
  margin-top: 32px;
  padding: 24px;
  background: #0a1428;
  border: 1px solid #4bc7ff15;
  border-radius: 16px;
  text-align: center;
}

.trust-banner p {
  margin: 0;
  line-height: 1.8;
  color: #b0bcdd;
  font-size: 14px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.trust-banner strong {
  color: #e0e8ff;
}

@media (max-width: 600px) {
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-number {
    font-size: 22px;
  }
}

/* ---- Section Defaults ---- */
section {
  padding: 70px 8%;
}

/* ---- Footer ---- */
footer {
  text-align: center;
  padding: 30px 8%;
  color: #ffffff40;
  font-size: 13px;
  border-top: 1px solid #ffffff08;
}

/* ---- Accessibility Utilities ---- */
/* Screen-reader-only text */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link — hidden until focused */
.skip-link {
  position: absolute;
  top: -100%;
  left: 8px;
  background: #4bc7ff;
  color: #060913;
  padding: 10px 18px;
  border-radius: 0 0 8px 8px;
  z-index: 1000;
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

/* ---- Waitlist Status Message ---- */
.waitlist-message {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.5;
  display: none;
}

.waitlist-message.success {
  display: block;
  background: #0d2818;
  border: 1px solid #2ecc7160;
  color: #7ddfa0;
}

.waitlist-message.error {
  display: block;
  background: #2a0d0d;
  border: 1px solid #e74c3c60;
  color: #e88;
}

/* ---- Forms & Inputs ---- */
input,
select {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  background: #11192a;
  color: #fff;
  border: 1px solid #334;
  border-radius: 10px;
}

/* Disabled button state */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ---- Responsive (Tablets & Mobile) ---- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 42px;
  }

  .greeks-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .chart-area {
    height: 180px;
  }

  nav {
    flex-wrap: wrap;
    gap: 10px;
  }

  nav a {
    margin-left: 12px;
    font-size: 15px;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  .hero {
    padding: 20% 5% 10%;
    min-height: auto;
  }

  .hero h1 {
    font-size: 28px;
    line-height: 1.3;
  }

  .hero .btn {
    padding: 16px 24px;
    font-size: 16px;
    min-width: 160px;
    text-align: center;
  }

  .panel, .card {
    padding: 16px;
  }

  .greek-item {
    padding: 8px 4px;
  }

  .greek-val {
    font-size: 16px;
  }

  .greek-sym {
    font-size: 17px;
  }

  .greek-label {
    font-size: 9px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  section {
    padding: 50px 5%;
  }

  .logo-icon {
    height: 30px;
  }

  .logo-name {
    height: 22px;
  }

  input, select {
    padding: 14px 12px;
    font-size: 16px;
  }

  .btn {
    padding: 16px 20px;
    font-size: 16px;
  }
}