:root {
  --bg: #0b0d12;
  --panel: #121622;
  --accent: #4cc9f0;
  --accent-2: #4361ee;
  --text: #e5e7eb;
  --muted: #9ca3af;
}

/* ===== Reset ===== */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, sans-serif;
  background: radial-gradient(circle at top, #111827, var(--bg));
  color: var(--text);
  line-height: 1.5;
}

/* ===== HERO / HEADER ===== */
.hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
}

.logo {
  width: 280px;
  max-width: 85%;
  height: auto;
  margin-bottom: 1rem;
  filter:
    drop-shadow(0 0 12px rgba(76, 201, 240, 0.25))
    drop-shadow(0 0 32px rgba(67, 97, 238, 0.15));
}

.tagline {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 4px;
  font-size: 0.75rem;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.subtitle {
  color: var(--muted);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ===== APP ===== */
.app {
  max-width: 900px;
  margin: auto;
  padding: 1rem;
  display: grid;
  gap: 1rem;
}

textarea {
  width: 100%;
  min-height: 180px;
  background: linear-gradient(
    180deg,
    rgba(18, 22, 34, 0.9),
    rgba(18, 22, 34, 0.95)
  );
  color: var(--text);
  border: 1px solid #1f2937;
  border-radius: 12px;
  padding: 1rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  resize: vertical;
}

textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(76, 201, 240, 0.25);
}

/* ===== BUTTONS ===== */
button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #020617;
  border: none;
  padding: 0.95rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow:
    0 8px 20px rgba(67, 97, 238, 0.25),
    0 0 0 1px rgba(76, 201, 240, 0.35);
}

button:active {
  transform: translateY(0);
}

/* ===== BUY SECTION ===== */
.buy {
  text-align: center;
  padding: 2.5rem 1rem;
}

.buy p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.buy-btn {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--accent);
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.buy-btn:hover {
  background: rgba(76, 201, 240, 0.1);
  box-shadow: 0 0 0 1px rgba(76, 201, 240, 0.35);
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
  color: var(--muted);
}
/* ===== Page Load Animations ===== */

/* Initial hidden state */
.hero,
.app,
.buy {
  opacity: 0;
  transform: translateY(16px);
}

/* Animate in when page is ready */
body.loaded .hero {
  animation: fadeUp 0.8s ease forwards;
}

body.loaded .app {
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.15s;
}

body.loaded .buy {
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.3s;
}

/* Keyframes */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Subtle logo glow pulse */
body.loaded .logo {
  animation: logoGlow 1.6s ease-out forwards;
}

@keyframes logoGlow {
  0% {
    filter:
      drop-shadow(0 0 0 rgba(76, 201, 240, 0))
      drop-shadow(0 0 0 rgba(67, 97, 238, 0));
  }
  60% {
    filter:
      drop-shadow(0 0 18px rgba(76, 201, 240, 0.45))
      drop-shadow(0 0 42px rgba(67, 97, 238, 0.25));
  }
  100% {
    filter:
      drop-shadow(0 0 12px rgba(76, 201, 240, 0.25))
      drop-shadow(0 0 32px rgba(67, 97, 238, 0.15));
  }
}