:root {
  --primary-gold: hsl(45, 100%, 50%);
  --secondary-gold: hsl(45, 100%, 70%);
  --bg-dark: hsl(220, 30%, 10%);
  --bg-darker: hsl(220, 40%, 5%);
  --accent-blue: hsl(210, 80%, 40%);
  --text-white: hsl(0, 0%, 100%);
  --text-muted: hsl(220, 10%, 80%);
  --glass: rgba(255, 255, 255, 0.05); /* Very subtle glass */
  --border-glass: rgba(255, 255, 255, 0.1);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.6);
  --shadow-gold: 0 0 20px rgba(255, 215, 0, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at center, var(--bg-dark), var(--bg-darker));
  color: var(--text-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
  padding: 20px;
  line-height: 1.6;
}

/* Background animated glow */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(60, 130, 255, 0.05) 0%, transparent 60%);
  animation: glowMove 15s infinite alternate ease-in-out;
  z-index: -1;
}

/* 3D Animated Watermark */
.watermark {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-15deg);
  font-size: 15vw;
  font-weight: 900;
  color: rgba(255, 215, 0, 0.03);
  font-family: 'Cinzel', serif;
  white-space: nowrap;
  pointer-events: none;
  z-index: -1;
  animation: watermarkScroll 20s linear infinite;
}

@keyframes watermarkScroll {
  0% { transform: translate(-100%, -50%) rotate(-15deg); }
  100% { transform: translate(100%, -50%) rotate(-15deg); }
}

@keyframes glowMove {
  from { transform: translate(0, 0); }
  to { transform: translate(5%, 5%); }
}

.container {
  max-width: 480px;
  width: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(25px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 32px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.8), inset 0 0 20px rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
  animation: slideUp 1s cubic-bezier(0.23, 1, 0.32, 1);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.logo-container {
  margin-bottom: 25px;
  animation: float 4s ease-in-out infinite;
}

.logo-container img {
  width: 120px;
  height: 120px;
  border-radius: 60px;
  border: 4px solid var(--primary-gold);
  padding: 4px;
  box-shadow: var(--shadow-gold);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.welcome {
  color: var(--primary-gold);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 4px;
  font-weight: 800;
  margin-bottom: 8px;
}

.brand {
  font-family: 'Cinzel', serif;
  font-size: 42px;
  font-weight: 900;
  margin-bottom: 20px;
  background: linear-gradient(to right, var(--primary-gold), #fff, var(--primary-gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
  line-height: 1.1;
}

/* Noise Texture */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('https://grainy-gradients.vercel.app/noise.svg');
  opacity: 0.15;
  pointer-events: none;
  z-index: -1;
  filter: contrast(150%) brightness(100%);
}

.desc {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 20px;
  font-weight: 500;
}

.highlight {
  font-size: 16px;
  background: rgba(255, 215, 0, 0.1);
  border-left: 4px solid var(--primary-gold);
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 30px;
  color: var(--text-white);
}

.highlight span {
  color: var(--primary-gold);
  font-weight: 700;
}

.features {
  text-align: left;
  margin-bottom: 35px;
  display: grid;
  gap: 12px;
}

.features p {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  color: var(--text-muted);
  padding: 10px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  transition: transform 0.3s ease;
}

.features p:hover {
  transform: translateX(10px);
  background: rgba(255, 255, 255, 0.06);
}

.features p::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--primary-gold);
  color: var(--bg-darker);
  border-radius: 50%;
  font-weight: 900;
  font-size: 12px;
}

.btn-group {
  display: grid;
  gap: 15px;
  margin-bottom: 25px;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 22px; /* Increased for better touch on mobile */
  font-size: 22px;
  font-weight: 800;
  text-decoration: none;
  border-radius: 20px; /* More rounded for modern look */
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-download {
  background: linear-gradient(135deg, var(--primary-gold), #b38600);
  color: #000;
  box-shadow: 0 10px 20px rgba(179, 134, 0, 0.3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(255, 215, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0); }
}

.btn-play {
  background: transparent;
  color: var(--primary-gold);
  border: 2px solid var(--primary-gold);
}

.btn:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 15px 30px rgba(179, 134, 0, 0.5);
}

.btn::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
  transform: scale(0);
  transition: transform 0.6s;
}

.btn:active::after {
  transform: scale(1);
}

.footer-tag {
  font-weight: 700;
  color: var(--primary-gold);
  font-size: 14px;
  opacity: 0.8;
  letter-spacing: 1px;
}

/* Shine Effect Animation */
.brand::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.4), transparent);
  animation: shine 3s infinite;
}

@keyframes shine {
  to { left: 200%; }
}

@media (max-width: 480px) {
  body {
    padding: 0; /* Remove padding for edge-to-edge feel */
  }

  .container {
    padding: 20px 20px 40px;
    border-radius: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: none;
    background: radial-gradient(circle at top, rgba(179, 134, 0, 0.05), var(--bg-dark), var(--bg-darker));
  }
  
  .brand {
    font-size: 32px;
  }
  
  .btn {
    padding: 16px;
    font-size: 18px;
  }

  .logo-container img {
    width: 110px;
    height: 110px;
  }
}

/* Floating WhatsApp Support */
.whatsapp-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25d366;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

.whatsapp-btn svg {
  fill: #fff;
  width: 35px;
  height: 35px;
}