@import url('./theme.css');
@import url('./animations.css');
@import url('./components.css');

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

html, body {
  min-height: 100vh;
}

body {
  background:
    radial-gradient(ellipse at 50% 0%, var(--bg-parchment) 0%, var(--bg-mid) 50%, var(--bg-deep) 100%),
    var(--bg-deep);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(255, 140, 66, 0.06) 0%, transparent 45%);
  pointer-events: none;
  z-index: 0;
}

#sand-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.container {
  position: relative;
  z-index: 10;
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.hidden { display: none !important; }

/* ========== HEADER ========== */
.header {
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}

.seal-emblem {
  width: 160px;
  height: 160px;
  margin: 0 auto 20px;
  position: relative;
}

.seal-emblem svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 20px rgba(255, 170, 68, 0.35));
}

.seal-emblem::after {
  content: '';
  position: absolute;
  inset: -30px;
  background: radial-gradient(circle, rgba(255, 170, 68, 0.25) 0%, transparent 60%);
  pointer-events: none;
  animation: pulse-glow 3.5s ease-in-out infinite;
  z-index: -1;
}

.seal-ring { transform-origin: 100px 100px; animation: rotate 60s linear infinite; }
.seal-ring-reverse { transform-origin: 100px 100px; animation: rotate 45s linear infinite reverse; }

.subtitle-jp {
  font-family: var(--font-jp);
  font-size: 1.1rem;
  color: var(--sand);
  letter-spacing: 0.3em;
  margin-bottom: 8px;
  opacity: 0.9;
}

.title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--gold-bright);
  text-shadow:
    0 0 20px rgba(255, 170, 68, 0.55),
    0 0 40px rgba(255, 170, 68, 0.3);
  margin-bottom: 10px;
}

.subtitle {
  font-style: italic;
  color: var(--ink-faded);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

/* ========== FOOTER ========== */
.footer {
  text-align: center;
  margin-top: 64px;
  color: var(--ink-faded);
  font-size: 0.9rem;
  font-style: italic;
  opacity: 0.75;
}

.footer .divider {
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ink-faded), transparent);
  margin: 0 auto 16px;
}

.footer-tech {
  margin-top: 6px;
  font-size: 0.75rem;
  font-style: normal;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

@media (max-width: 720px) {
  .container { padding: 24px 16px 64px; }
  .seal-emblem { width: 120px; height: 120px; }
}