/* ===== Layout rhythm ===== */
.section {
  padding: clamp(48px, 8vw, 96px) 0;
}
.section + .section {
  border-top: 1px solid var(--mz-border-soft);
}

/* ===== Hero ===== */
.hero-stage {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.035) 0px,
    rgba(255,255,255,0.035) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
  z-index: 1;
}
.hero-controls {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 3;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.hero-year {
  font-family: var(--mz-mono);
  font-size: clamp(4.5rem, 16vw, 9rem);
  letter-spacing: 0.04em;
  line-height: 1;
  margin: 4px 0;
  color: var(--mz-text-strong);
  text-shadow:
    0 0 24px color-mix(in srgb, var(--mz-accent) 55%, transparent),
    0 0 64px color-mix(in srgb, var(--mz-accent) 30%, transparent);
}
.hero-sub {
  max-width: 46ch;
}
.scroll-hint {
  margin-top: 18px;
  font-family: var(--mz-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--mz-text-muted);
}
@media (prefers-reduced-motion: no-preference) {
  .scroll-hint { animation: hint-float 2.4s ease-in-out infinite; }
}
@keyframes hint-float {
  0%, 100% { transform: translateY(0); opacity: .7; }
  50% { transform: translateY(6px); opacity: 1; }
}

/* ===== HUD corner frame ===== */
.hud-frame { position: relative; }
.hud-frame::before,
.hud-frame::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid color-mix(in srgb, var(--mz-accent) 70%, transparent);
  pointer-events: none;
  z-index: 3;
  opacity: .8;
}
.hud-frame::before { top: 14px; left: 14px; border-right: none; border-bottom: none; }
.hud-frame::after { bottom: 14px; right: 14px; border-left: none; border-top: none; }

/* ===== Timeline ===== */
.mz-timeline__body {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}
.mz-timeline__date {
  font-family: var(--mz-mono);
}

/* ===== Core stage ===== */
.core-section { text-align: center; }
.core-stage {
  position: relative;
  height: min(46vh, 380px);
  margin: 28px auto 12px;
  max-width: 520px;
  border-radius: var(--mz-radius);
  background: radial-gradient(circle at center, color-mix(in srgb, var(--mz-accent) 16%, transparent), transparent 70%);
}
.core-caption { margin: 0 auto; }

/* ===== Motto ===== */
.motto-section { text-align: center; }
.motto-text {
  font-family: var(--mz-mono);
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  letter-spacing: 0.03em;
  color: var(--mz-text-strong);
  margin: 12px 0;
  text-shadow: 0 0 30px color-mix(in srgb, var(--mz-ok) 40%, transparent);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .hero-controls { top: 12px; right: 12px; }
  .core-stage { height: 300px; }
}