/* ================================================
   future-events.css - Future Events Placeholder
   KOD Müzik Website

   Akira / Serial Experiments Lain lightboard.
   Opaque sign. Surface texture. Imperfections
   revealed by the radiating light.
   Our silver screen — darker than the rest.
   ================================================ */

/* 0. Page-level overrides — the silver screen
   This page is darker than everything else.
   ================================================ */
.future-page {
  /* Override site background for this page only */
  background-color: #080808;
  /* Contain the animated ambient spill that scales beyond viewport */
  overflow: hidden;
}

/* Also darken the body behind the menu for this page */
body:has(.future-page) {
  background-color: #080808;
  /* Prevent the scaled pseudo-elements from creating scrollbars */
  overflow: hidden;
}

/* Dim the KOD watermark further on this page */
body:has(.future-page) #kod-bg {
  background-color: rgba(255, 255, 255, 0.055);
}

/* 1. Full-viewport centering
   ================================================ */
.future-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 2rem);
  min-height: calc(100dvh - 2rem);
  padding: 2rem 1rem;
  margin-top: -3rem;
  position: relative;
}

/* Ambient light spill — the pool of light on the wall.
   Visibly radiates outward. */
.future-placeholder::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 85%;
  max-width: 900px;
  aspect-ratio: 2.2 / 1;
  background: radial-gradient(
    ellipse at center,
    rgba(210, 210, 210, 0.07) 0%,
    rgba(190, 190, 190, 0.045) 25%,
    rgba(170, 170, 170, 0.02) 50%,
    transparent 75%
  );
  filter: blur(50px);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -52%) scale(1);
  opacity: 0.5;
  animation: ambient-radiate 8s ease-in-out infinite;
}

/* Far ambient spill — wider, softer, offset timing */
.future-placeholder::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  max-width: 1200px;
  aspect-ratio: 3 / 1;
  background: radial-gradient(
    ellipse at center,
    rgba(200, 200, 200, 0.03) 0%,
    rgba(180, 180, 180, 0.015) 35%,
    transparent 65%
  );
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%) scale(0.9);
  opacity: 0.3;
  animation: ambient-radiate-far 8s ease-in-out infinite;
  animation-delay: -2s;
}

/* 2. The Sign — BIGGER, opaque, physical object
   ================================================ */
.lightboard {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  overflow: hidden; /* contain the texture layers */

  /* BIGGER — generous horizontal rectangle */
  padding: 3.8rem 7rem;
  background: #0a0a0a;
  border: 1.5px solid rgba(200, 200, 200, 0.13);

  /* Light bleeding outward — dim state */
  box-shadow:
    inset 0 0 25px rgba(200, 200, 200, 0.02),
    0 0 6px rgba(200, 200, 200, 0.05),
    0 0 15px rgba(190, 190, 190, 0.035),
    0 0 40px rgba(180, 180, 180, 0.02),
    0 0 80px rgba(170, 170, 170, 0.012),
    0 0 120px rgba(160, 160, 160, 0.008);

  animation: sign-radiate 8s ease-in-out infinite;
}

/* Inner bezel catching light */
.lightboard > .lightboard-surface ~ .lightboard-title {
  position: relative;
  z-index: 2;
}
.lightboard > .lightboard-surface ~ .lightboard-rule,
.lightboard > .lightboard-surface ~ .lightboard-sub {
  position: relative;
  z-index: 2;
}

/* 3. Surface texture layers — the physicality of the sign
   These sit INSIDE the sign and are revealed by the light.
   ================================================ */
.lightboard-surface {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

/* Fine grain — the matte coating of the sign panel.
   Like the slightly rough surface of a real lightbox. */
.lightboard-grain {
  filter: url(#grain);
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  mix-blend-mode: overlay;
  animation: surface-reveal 8s ease-in-out infinite;
}

/* Coarser imperfections — dust settled on the surface,
   hairline scratches, uneven coating.
   Only visible when the light pushes through. */
.lightboard-imperfections {
  filter: url(#imperfections);
  background: rgba(255, 255, 255, 0.6);
  opacity: 0;
  mix-blend-mode: soft-light;
  animation: imperfections-reveal 8s ease-in-out infinite;
  animation-delay: -0.5s; /* slightly offset from grain */
}

/* Static subtle inner gradient — simulates uneven internal
   illumination, brighter at center, darker at edges.
   Like how real lightboxes have hotspots. */
.lightboard::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 50% 45%,
    rgba(255, 255, 255, 0.02) 0%,
    rgba(255, 255, 255, 0.008) 40%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 1;
  animation: hotspot-radiate 8s ease-in-out infinite;
}

/* Bottom reflection — light pooling downward */
.lightboard::after {
  content: "";
  position: absolute;
  bottom: -50px;
  left: 8%;
  right: 8%;
  height: 50px;
  background: linear-gradient(
    to bottom,
    rgba(200, 200, 200, 0.025),
    transparent
  );
  filter: blur(12px);
  pointer-events: none;
  z-index: 0;
  transform-origin: top center;
  transform: scaleY(1) scaleX(0.85);
  opacity: 0.4;
  animation: reflection-radiate 8s ease-in-out infinite;
}

/* 4. Typography — fluorescent tube text
   ================================================ */
.lightboard-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 3.2rem);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1.1;
  text-align: center;
  position: relative;
  z-index: 2;

  /* Dim state */
  color: rgba(230, 230, 230, 0.88);
  text-shadow:
    0 0 2px rgba(255, 255, 255, 0.4),
    0 0 6px rgba(220, 220, 220, 0.2),
    0 0 15px rgba(200, 200, 200, 0.08),
    0 0 30px rgba(190, 190, 190, 0.04);

  animation: title-radiate 8s ease-in-out infinite;
}

.lightboard-sub {
  font-family: var(--font-primary);
  font-size: clamp(0.72rem, 1.3vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  text-align: center;
  margin-top: 1rem;
  position: relative;
  z-index: 2;

  /* Dim state */
  color: rgba(160, 160, 160, 0.55);
  text-shadow:
    0 0 2px rgba(190, 190, 190, 0.12),
    0 0 8px rgba(170, 170, 170, 0.05);

  animation: sub-radiate 8s ease-in-out infinite;
}

/* Divider strip */
.lightboard-rule {
  width: 56px;
  height: 1px;
  border: none;
  margin: 1rem 0 0 0;
  position: relative;
  z-index: 2;
  background: rgba(200, 200, 200, 0.15);
  box-shadow:
    0 0 3px rgba(200, 200, 200, 0.08),
    0 0 8px rgba(190, 190, 190, 0.04);
  animation: rule-radiate 8s ease-in-out infinite;
}

/* 5. Animations
   ================================================ */

/* Ambient wall spill — GROWS outward */
@keyframes ambient-radiate {
  0%, 100% {
    transform: translate(-50%, -52%) scale(1);
    opacity: 0.5;
  }
  50% {
    transform: translate(-50%, -52%) scale(1.35);
    opacity: 1;
  }
}

@keyframes ambient-radiate-far {
  0%, 100% {
    transform: translate(-50%, -50%) scale(0.9);
    opacity: 0.2;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.25);
    opacity: 0.6;
  }
}

/* Sign box-shadow — dim hum to bright push */
@keyframes sign-radiate {
  0%, 100% {
    box-shadow:
      inset 0 0 25px rgba(200, 200, 200, 0.02),
      0 0 6px rgba(200, 200, 200, 0.05),
      0 0 15px rgba(190, 190, 190, 0.035),
      0 0 40px rgba(180, 180, 180, 0.02),
      0 0 80px rgba(170, 170, 170, 0.012),
      0 0 120px rgba(160, 160, 160, 0.008);
    border-color: rgba(200, 200, 200, 0.13);
  }
  50% {
    box-shadow:
      inset 0 0 50px rgba(210, 210, 210, 0.06),
      0 0 15px rgba(220, 220, 220, 0.14),
      0 0 35px rgba(210, 210, 210, 0.10),
      0 0 80px rgba(200, 200, 200, 0.07),
      0 0 150px rgba(190, 190, 190, 0.045),
      0 0 250px rgba(180, 180, 180, 0.025);
    border-color: rgba(210, 210, 210, 0.30);
  }
}

/* Surface grain — invisible in dark, revealed at peak */
@keyframes surface-reveal {
  0%, 100% {
    opacity: 0;
  }
  50% {
    opacity: 0.35;
  }
}

/* Imperfections — same but slightly different timing */
@keyframes imperfections-reveal {
  0%, 100% {
    opacity: 0;
  }
  45% {
    opacity: 0.25;
  }
  55% {
    opacity: 0.28;
  }
}

/* Internal hotspot — center brightens more */
@keyframes hotspot-radiate {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 1;
  }
}

/* Title tube — dims and brightens */
@keyframes title-radiate {
  0%, 100% {
    color: rgba(230, 230, 230, 0.88);
    text-shadow:
      0 0 2px rgba(255, 255, 255, 0.4),
      0 0 6px rgba(220, 220, 220, 0.2),
      0 0 15px rgba(200, 200, 200, 0.08),
      0 0 30px rgba(190, 190, 190, 0.04);
  }
  50% {
    color: rgba(255, 255, 255, 1);
    text-shadow:
      0 0 4px rgba(255, 255, 255, 0.9),
      0 0 14px rgba(235, 235, 235, 0.5),
      0 0 32px rgba(215, 215, 215, 0.25),
      0 0 60px rgba(200, 200, 200, 0.14),
      0 0 90px rgba(190, 190, 190, 0.07);
  }
}

/* Subtitle */
@keyframes sub-radiate {
  0%, 100% {
    color: rgba(160, 160, 160, 0.55);
    text-shadow:
      0 0 2px rgba(190, 190, 190, 0.12),
      0 0 8px rgba(170, 170, 170, 0.05);
  }
  50% {
    color: rgba(200, 200, 200, 0.88);
    text-shadow:
      0 0 3px rgba(220, 220, 220, 0.35),
      0 0 14px rgba(200, 200, 200, 0.18),
      0 0 30px rgba(185, 185, 185, 0.08);
  }
}

/* Rule strip */
@keyframes rule-radiate {
  0%, 100% {
    background: rgba(200, 200, 200, 0.15);
    box-shadow:
      0 0 3px rgba(200, 200, 200, 0.08),
      0 0 8px rgba(190, 190, 190, 0.04);
  }
  50% {
    background: rgba(220, 220, 220, 0.40);
    box-shadow:
      0 0 8px rgba(220, 220, 220, 0.28),
      0 0 20px rgba(200, 200, 200, 0.14),
      0 0 35px rgba(190, 190, 190, 0.06);
  }
}

/* Bottom reflection — stretches and brightens */
@keyframes reflection-radiate {
  0%, 100% {
    transform: scaleY(1) scaleX(0.85);
    opacity: 0.4;
  }
  50% {
    transform: scaleY(1.8) scaleX(1.2);
    opacity: 1;
  }
}

/* 6. Responsive — Mobile
   ================================================ */
@media (max-width: 768px) {
  .future-placeholder {
    margin-top: 0;
    min-height: calc(100vh - 4rem);
    min-height: calc(100dvh - 4rem);
    padding: 1rem 0.75rem;
  }

  .lightboard {
    /* Still big — fills most of the mobile width */
    padding: 2.8rem 2rem;
    width: calc(100% - 1rem);
    max-width: 420px;
  }

  .lightboard-title {
    font-size: clamp(1.2rem, 6vw, 1.8rem);
    letter-spacing: 0.12em;
  }

  .lightboard-sub {
    letter-spacing: 0.2em;
    font-size: clamp(0.58rem, 2.5vw, 0.75rem);
    margin-top: 0.75rem;
  }

  .lightboard-rule {
    width: 40px;
    margin-top: 0.75rem;
  }

  .future-placeholder::before {
    width: 100%;
    aspect-ratio: 2 / 1;
  }

  .future-placeholder::after {
    width: 130%;
  }

  .lightboard::after {
    bottom: -35px;
    height: 35px;
    left: 12%;
    right: 12%;
  }
}

@media (max-width: 480px) {
  .lightboard {
    padding: 2.4rem 1.4rem;
  }

  .lightboard-title {
    letter-spacing: 0.1em;
  }

  .lightboard-sub {
    letter-spacing: 0.14em;
  }
}

/* Tablet — sign stays generous */
@media (min-width: 769px) and (max-width: 1024px) {
  .lightboard {
    padding: 3.2rem 5rem;
  }

  .lightboard-title {
    font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  }
}

/* 7. Reduced motion
   ================================================ */
@media (prefers-reduced-motion: reduce) {
  .lightboard,
  .lightboard::before,
  .lightboard::after,
  .lightboard-title,
  .lightboard-sub,
  .lightboard-rule,
  .lightboard-grain,
  .lightboard-imperfections,
  .future-placeholder::before,
  .future-placeholder::after {
    animation: none;
  }
  /* Static at mid-brightness — texture visible */
  .future-placeholder::before {
    transform: translate(-50%, -52%) scale(1.15);
    opacity: 0.75;
  }
  .lightboard {
    box-shadow:
      inset 0 0 38px rgba(205, 205, 205, 0.04),
      0 0 10px rgba(210, 210, 210, 0.09),
      0 0 25px rgba(200, 200, 200, 0.07),
      0 0 60px rgba(190, 190, 190, 0.045),
      0 0 115px rgba(180, 180, 180, 0.028),
      0 0 185px rgba(170, 170, 170, 0.016);
    border-color: rgba(205, 205, 205, 0.21);
  }
  .lightboard-grain {
    opacity: 0.18;
  }
  .lightboard-imperfections {
    opacity: 0.14;
  }
  .lightboard-title {
    color: rgba(242, 242, 242, 0.94);
    text-shadow:
      0 0 3px rgba(255, 255, 255, 0.65),
      0 0 10px rgba(228, 228, 228, 0.35),
      0 0 24px rgba(208, 208, 208, 0.16),
      0 0 45px rgba(195, 195, 195, 0.09);
  }
  .lightboard-sub {
    color: rgba(180, 180, 180, 0.72);
    text-shadow:
      0 0 3px rgba(205, 205, 205, 0.24),
      0 0 11px rgba(185, 185, 185, 0.12);
  }
  .lightboard::after {
    transform: scaleY(1.4) scaleX(1);
    opacity: 0.7;
  }
}