@font-face {
  font-family: 'Inter';
  src: url('inter.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

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

:root {
  --glass-fill:          rgba(255, 255, 255, 0.10);
  --glass-fill-hover:    rgba(255, 255, 255, 0.17);
  --glass-edge:          rgba(255, 255, 255, 0.38);
  --glass-edge-bottom:   rgba(255, 255, 255, 0.08);
  --glass-glow:          rgba(180, 210, 255, 0.18);
  --glass-shadow-near:   rgba(0,   0,   0,   0.22);
  --glass-shadow-far:    rgba(0,   0,   0,   0.12);
  --blur-card: 32px;
  --blur-btn:  18px;
  --txt-head:  rgba(255, 255, 255, 0.96);
  --txt-sub:   rgba(255, 255, 255, 0.65);
  --txt-btn:   rgba(255, 255, 255, 0.92);
  --r-card: 36px;
  --r-btn:  100px;
  --ease-glass: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #06080f;
}

body {
  font-family:
    'Inter',           
    -apple-system,        
    BlinkMacSystemFont,  
    'Helvetica Neue',
    'Segoe UI',
    system-ui,
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.bg-wrap {
  position: fixed;
  inset: 0;
  z-index: 0;
}

#bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  opacity: 0;
  -webkit-transition: opacity 2s ease;
          transition: opacity 2s ease;
  will-change: opacity;
}

#bg-video.show { opacity: 1; }

.bg-fallback {
  position: absolute;
  inset: 0;
  background: url('../banner.jpg') center / cover no-repeat;
  opacity: 0;
  -webkit-transition: opacity 2s ease;
          transition: opacity 2s ease;
  will-change: opacity;
}

.bg-fallback.show { opacity: 1; }

.bg-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 90% at 50% 50%, transparent 40%, rgba(0,0,0,0.55) 100%),
    linear-gradient(170deg, rgba(8,12,30,0.40) 0%, rgba(4,6,18,0.55) 100%);
}

.stage {
  position: relative;
  z-index: 10;
  display: -webkit-box;
  display: -ms-flexbox;
  display:         flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 100%;
  height: 100vh;
  padding: 24px;
}

.glass-card {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display:         flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 20px;
  padding: 60px 72px 56px;

  background: var(--glass-fill);

  -webkit-backdrop-filter: blur(var(--blur-card)) saturate(200%) brightness(1.06) contrast(0.98);
          backdrop-filter: blur(var(--blur-card)) saturate(200%) brightness(1.06) contrast(0.98);

  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--r-card);

  box-shadow:
    0 20px 60px var(--glass-shadow-near),
    0  6px 16px var(--glass-shadow-far),
    0  0   80px var(--glass-glow);

  max-width: 540px;
  width: 100%;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 8%;
  right: 8%;
  height: 1px;
  background: -webkit-gradient(
    linear, left top, right top,
    from(transparent),
    color-stop(25%, rgba(255,255,255,0.70)),
    color-stop(50%, rgba(255,255,255,0.92)),
    color-stop(75%, rgba(255,255,255,0.70)),
    to(transparent)
  );
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255,255,255,0.70) 25%,
    rgba(255,255,255,0.92) 50%,
    rgba(255,255,255,0.70) 75%,
    transparent
  );
  -webkit-filter: blur(0.5px);
          filter: blur(0.5px);
  border-radius: 1px;
  pointer-events: none;
}

.glass-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 85% 55% at 50%  0%,  rgba(255,255,255,0.13) 0%, transparent 65%),
    radial-gradient(ellipse 45% 35% at 85% 90%,  rgba(160,190,255,0.08) 0%, transparent 60%);
  pointer-events: none;
  border-radius: inherit;
}

.logo {
  height: clamp(2.6rem, 7vw, 4.2rem);
  width: auto;
  max-width: 80%;
  display: block;
  -o-object-fit: contain;
     object-fit: contain;
  color: transparent;
  position: relative;
  z-index: 1;
}

.title {
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--txt-head);
  text-align: center;
  text-shadow:
    0  1px  3px rgba(0,0,0,0.35),
    0  0   30px rgba(255,255,255,0.18);
  position: relative;
  z-index: 1;
}

.sub {
  font-size: clamp(0.95rem, 2.4vw, 1.15rem);
  font-weight: 400;
  letter-spacing: 0.015em;
  color: var(--txt-sub);
  text-align: center;
  position: relative;
  z-index: 1;
}

.btn-row {
  display: -webkit-box;
  display: -ms-flexbox;
  display:         flex;
  gap: 12px;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-top: 8px;
  position: relative;
  z-index: 1;
}

.glass-btn {
  position: relative;
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display:         inline-flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 7px;
  padding: 12px 26px;
  border-radius: var(--r-btn);

  background: rgba(255,255,255,0.13);
  -webkit-backdrop-filter: blur(var(--blur-btn)) saturate(180%);
          backdrop-filter: blur(var(--blur-btn)) saturate(180%);

  border: 1px solid rgba(255,255,255,0.30);

  box-shadow:
    0 4px 16px rgba(0,0,0,0.20),
    0 1px  4px rgba(0,0,0,0.12);

  color: var(--txt-btn);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;

  -webkit-transition:
    -webkit-transform 0.22s var(--ease-glass),
            transform 0.22s var(--ease-glass),
    background        0.22s var(--ease-glass),
    box-shadow        0.22s var(--ease-glass);
          transition:
            transform  0.22s var(--ease-glass),
            background 0.22s var(--ease-glass),
            box-shadow 0.22s var(--ease-glass);
}

.btn-visit {
  background: rgba(110, 175, 255, 0.17);
  border-color: rgba(150, 200, 255, 0.35);
}

.btn-music.is-playing {
  background: rgba(255, 150, 100, 0.18);
  border-color: rgba(255, 180, 130, 0.35);
}

.glass-btn:hover {
  background: var(--glass-fill-hover);
  -webkit-transform: translateY(-2px) scale(1.025);
          transform: translateY(-2px) scale(1.025);
  box-shadow:
    0 8px 28px rgba(0,0,0,0.26),
    0 2px  8px rgba(0,0,0,0.14);
}

.glass-btn:active {
  -webkit-transform: scale(0.96);
          transform: scale(0.96);
  -webkit-transition-duration: 0.08s;
          transition-duration: 0.08s;
}

.btn-icon {
  width: 16px;
  height: 16px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
}

.logo,
.title,
#el-sub,
#el-btns {
  opacity: 0;
  -webkit-transform: translateY(16px);
          transform: translateY(16px);
  -webkit-transition:
    opacity   0.85s var(--ease-glass),
    -webkit-transform 0.85s var(--ease-glass);
          transition:
    opacity   0.85s var(--ease-glass),
    transform 0.85s var(--ease-glass);
  will-change: opacity, transform;
}

.logo.show,
.title.show,
#el-sub.show,
#el-btns.show {
  opacity: 1;
  -webkit-transform: translateY(0);
          transform: translateY(0);
}

@media (max-width: 520px) {
  .glass-card {
    padding: 44px 28px 40px;
    border-radius: 28px;
  }
  .btn-row {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-align: stretch;
        -ms-flex-align: stretch;
            align-items: stretch;
  }
  .glass-btn {
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
}

@media (max-height: 500px) {
  .glass-card { gap: 12px; padding: 32px 48px; }
  .title { font-size: 2rem; }
}

@supports (-moz-appearance: none) {
  .glass-card { background: rgba(255, 255, 255, 0.14); }
  .glass-btn  { background: rgba(255, 255, 255, 0.16); }
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .glass-card {
    background: rgba(20, 25, 50, 0.82);
    border-color: rgba(255,255,255,0.20);
    -webkit-box-shadow: 0 16px 48px rgba(0,0,0,0.5);
            box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  }
  .glass-btn { background: rgba(255,255,255,0.12); }
}

@media (prefers-reduced-motion: reduce) {
  .logo,
  .title,
  #el-sub,
  #el-btns,
  #bg-video,
  .bg-fallback {
    -webkit-transition-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
  }
}

/* ver. 2026.0 */
/* © Michael Rivera | 2026. All rights reserved, unless otherwise noted. */