@font-face {
  font-family: dast;
  src: url('../music/font/danstevis.eot');
  src: url('../music/font/danstevis.eot?#iefix') format('FontName-opentype'),
       url('../music/font/danstevis.woff') format('woff'),
       url('../music/font/danstevis.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: iransans;
  src: url('../music/font/iransans/IRANSansXFaNum-Medium.woff');
  src: url('../music/font/iransans/IRANSansXFaNum-Medium.woff'),
       url('../music/font/iransans/IRANSansXFaNum-Medium.woff') format('woff'),
       url('../music/font/iransans/IRANSansXFaNum-Medium.woff') format('woff2');
  font-weight: normal;
  font-style: normal;
}

:root {
  --x: 0;
  --y: 0;
  --xp: 0;
  --yp: 0;
  --hue: calc(0 + (var(--xp) * 500));
  --bg: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
  --bg-alt: #0a0a1a;
  --size: 100px;
  --glow: radial-gradient(
      50% 50% at center,
      hsl(var(--hue) 80% 85%),
      hsl(var(--hue) 80% 70%),
      transparent
    )
    calc((var(--x) * 1px) - (var(--size) * 0.5))
    calc((var(--y) * 1px) - (var(--size) * 0.5)) / var(--size) var(--size) no-repeat fixed;
  
  /* رنگ‌های جدید */
  --primary: #6c63ff;
  --secondary: #36d1dc;
  --accent: #ff6b9d;
  --text: #f0f0f0;
  --text-secondary: #b0b0d0;
  
  /* سایه‌ها */
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 15px 40px rgba(108, 99, 255, 0.4);
  
  /* transition */
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-family: "iransans", "SF Pro Text", "SF Pro Icons", "AOS Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding: 20px;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(108, 99, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 107, 157, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(54, 209, 220, 0.1) 0%, transparent 50%);
  z-index: -1;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  padding: 20px;
  position: relative;
  z-index: 1;
}

.header {
  text-align: center;
  margin-bottom: 40px;
  width: 100%;
}

.header h1 {
  font-family: 'dast', iransans, sans-serif;
  font-size: 2.8rem;
  margin-bottom: 10px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 5px 15px rgba(108, 99, 255, 0.3);
}

.header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.buttons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .buttons-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .buttons-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  
  .header h1 {
    font-size: 2.2rem;
  }
  
  .header p {
    font-size: 1rem;
  }
}

.button-link {
  text-decoration: none;
  display: block;
  transition: var(--transition);
  transform-origin: center;
}

.button-link:hover {
  transform: translateY(-8px) scale(1.03);
  filter: brightness(1.1);
}

.button {
  border-radius: 20px;
  font-weight: bold;
  background: rgba(10, 10, 26, 0.7);
  border: 2px solid rgba(108, 99, 255, 0.2);
  box-shadow: var(--shadow);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  height: auto;
}

.button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.1), rgba(54, 209, 220, 0.1));
  border-radius: 20px;
  z-index: 1;
  opacity: 0;
  transition: var(--transition);
}

.button:hover::before {
  opacity: 1;
}

.button:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(108, 99, 255, 0.4);
}

.button::after {
  content: "";
  position: absolute;
  inset: -2px;
  filter: blur(15px);
  background: var(--glow);
  border-radius: 20px;
  opacity: 0.5;
  transition: var(--transition);
}

.button-link:hover .button::after {
  opacity: 0.8;
}

.button-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 2;
  position: relative;
  width: 100%;
  padding: 10px;
}

.button-icon {
  font-size: 2rem;
  margin-bottom: 8px;
  transition: var(--transition);
}

.button-link:hover .button-icon {
  transform: scale(1.2);
}

.button-text {
  background: var(--glow), linear-gradient(90deg, var(--primary), var(--secondary));
  background-clip: text;
  color: transparent;
  font-family: 'dast', iransans, sans-serif;
  font-size: 1.4rem;
  text-align: center;
  transition: var(--transition);
  letter-spacing: 1px;
}

.button-link:hover .button-text {
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  background-clip: text;
}

.button-subtext {
  color: var(--text-secondary);
  font-size: 1.5rem;
  font-family: 'iransans', sans-serif;
  text-align: center;
  opacity: 0.8;
  transition: var(--transition);
}

.button-link:hover .button-subtext {
  opacity: 1;
  color: var(--text);
}

:root:has(.button:active) {
  --size: 300px;
}

.footer {
  margin-top: 50px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 20px;
  width: 100%;
  border-top: 1px solid rgba(108, 99, 255, 0.1);
}

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

.floating {
  animation: float 5s ease-in-out infinite;
}