:root {
  --primary: #FF9966;
  --primary-dark: #E8854D;
  --text-main: #4A4036;
  --text-sub: #8D7F75;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(135deg, #FFF8F0 0%, #FFE4D6 50%, #FFD1B3 100%);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.container {
  text-align: center;
  padding: 40px;
  width: 90%;
  max-width: 400px;

  /* Glassmorphism */
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 40px rgba(232, 133, 77, 0.15);

  /* Smooth transition for JS tilt effect */
  transition: transform 0.1s ease-out;
  transform-style: preserve-3d;
}

/* Staggered Entrance Animation */
.container>* {
  opacity: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.container>*:nth-child(1) {
  animation-delay: 0.1s;
}

.container>*:nth-child(2) {
  animation-delay: 0.2s;
}

.container>*:nth-child(3) {
  animation-delay: 0.3s;
}

.container>*:nth-child(4) {
  animation-delay: 0.4s;
}

.container>*:nth-child(5) {
  animation-delay: 0.5s;
}

.container>*:nth-child(6) {
  animation-delay: 0.6s;
}

h1 {
  color: var(--text-main);
  font-weight: 800;
  margin: 0 0 10px 0;
  font-size: 2rem;
}

p {
  color: var(--text-sub);
  margin: 0 0 32px 0;
  line-height: 1.5;
  font-size: 1.1rem;
}

.app-icon {
  width: 100px;
  height: 100px;
  border-radius: 24px;
  margin: 0 auto 24px auto;
  box-shadow: 0 10px 20px rgba(232, 133, 77, 0.25);
  display: block;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.app-icon:hover {
  transform: scale(1.05) rotate(5deg);
}

.btn {
  display: block;
  width: 100%;
  padding: 16px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  margin-bottom: 12px;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn:active {
  transform: translateY(0);
}

/* Ripple Effect */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple 0.6s linear;
  pointer-events: none;
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

.btn-primary {
  background: var(--primary);
  background: linear-gradient(to right, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 8px 16px rgba(232, 133, 77, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 12px 20px rgba(232, 133, 77, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.5);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.8);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Floating particles effect (optional background decoration) */
.particle {
  position: absolute;
  opacity: 0.6;
  pointer-events: none;
  animation: float 6s infinite ease-in-out;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }
}