/* ============================================================
   despair.jp — glitch/cyber, clean layout
   ============================================================ */

:root {
  --bg: #050507;
  --bg2: #0b0b0f;
  --ink: #e8e6e1;
  --dim: #6f6f78;
  --line: rgba(232, 230, 225, 0.1);
  --red: #ff2244;
  --cyan: #00e0ff;
  --font-display: "Anton", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --pad: clamp(1.25rem, 4vw, 4rem);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: crosshair;
}

::selection { background: var(--red); color: var(--bg); }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
img { display: block; max-width: 100%; }

/* ---------- atmosphere overlays ---------- */

/* scoped to the hero so artwork previews stay clean */
.noise {
  position: absolute; inset: -50%;
  width: 200%; height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
  pointer-events: none;
  z-index: 2;
  animation: noise-shift 0.6s steps(4) infinite;
}
@keyframes noise-shift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 1%); }
  50% { transform: translate(1%, -2%); }
  75% { transform: translate(-1%, -1%); }
  100% { transform: translate(2%, 2%); }
}

.scanlines {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0 2px,
    rgba(0, 0, 0, 0.22) 2px 3px
  );
  pointer-events: none;
  z-index: 3;
}

/* ---------- top bar ---------- */

.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem var(--pad);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(8px);
  z-index: 100;
  text-transform: lowercase;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}
.topbar-brand { font-weight: 500; }
.topbar-brand .tld { color: var(--red); }
.topbar-nav { display: flex; gap: 2rem; }
.topbar-nav a { color: var(--dim); transition: color 0.15s; position: relative; }
.topbar-nav a:hover { color: var(--ink); text-shadow: 1px 0 var(--red), -1px 0 var(--cyan); }

/* ---------- featured carousel ---------- */

.featured {
  position: relative;
  height: clamp(360px, 62vh, 640px);
  overflow: hidden;
  background: #000;
}

.fc-track { position: absolute; inset: 0; z-index: 0; }

.fc-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.9s ease;
}
.fc-slide.is-active { opacity: 1; }
.fc-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.featured .noise { z-index: 2; }

.fc-scrim {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(to top, rgba(5, 5, 7, 0.94) 0%, rgba(5, 5, 7, 0.55) 28%, rgba(5, 5, 7, 0.12) 55%, rgba(5, 5, 7, 0.4) 100%);
}

.fc-overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 5;
  padding: var(--pad);
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
  pointer-events: none;
}
.fc-eyebrow {
  color: var(--dim);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: lowercase;
  margin-bottom: 0.9rem;
}
.fc-overlay h1 {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 12vw, 9rem);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: 0.01em;
  text-transform: lowercase;
}
.fc-sub {
  margin-top: 1.1rem;
  color: var(--dim);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}
.fc-sub .sep { color: var(--red); }

.fc-dots {
  position: absolute;
  right: var(--pad);
  bottom: clamp(2.5rem, 6vw, 4rem);
  z-index: 6;
  display: flex;
  gap: 0.6rem;
}
.fc-dot {
  width: 2rem;
  height: 3px;
  padding: 0;
  border: 0;
  background: rgba(232, 230, 225, 0.28);
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}
.fc-dot:hover { background: rgba(232, 230, 225, 0.6); }
.fc-dot.is-active { background: var(--red); box-shadow: 0 0 12px rgba(255, 34, 68, 0.5); }

@media (max-width: 620px) {
  .fc-dots { bottom: auto; top: 3.6rem; }
}

/* ---------- glitch wordmark ---------- */

.glitch { position: relative; }
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  opacity: 0;
}
.glitch::before { color: var(--red); z-index: -1; }
.glitch::after { color: var(--cyan); z-index: -2; }

.glitch.is-glitching::before {
  opacity: 0.9;
  animation: glitch-a 0.34s steps(2) both;
}
.glitch.is-glitching::after {
  opacity: 0.9;
  animation: glitch-b 0.34s steps(2) both;
}
@keyframes glitch-a {
  0%   { transform: translate(-6px, 2px);  clip-path: inset(12% 0 58% 0); }
  25%  { transform: translate(4px, -1px);  clip-path: inset(54% 0 8% 0); }
  50%  { transform: translate(-3px, 0);    clip-path: inset(30% 0 45% 0); }
  75%  { transform: translate(5px, 2px);   clip-path: inset(70% 0 4% 0); }
  100% { transform: translate(0, 0);       clip-path: inset(0 0 100% 0); }
}
@keyframes glitch-b {
  0%   { transform: translate(5px, -2px);  clip-path: inset(62% 0 10% 0); }
  25%  { transform: translate(-4px, 1px);  clip-path: inset(4% 0 76% 0); }
  50%  { transform: translate(3px, 1px);   clip-path: inset(44% 0 32% 0); }
  75%  { transform: translate(-5px, -1px); clip-path: inset(18% 0 60% 0); }
  100% { transform: translate(0, 0);       clip-path: inset(100% 0 0 0); }
}

/* soft persistent glitch for links */
.glitch-soft { position: relative; display: inline-block; }
.glitch-soft:hover { text-shadow: 2px 0 var(--red), -2px 0 var(--cyan); }

/* ---------- sections ---------- */

.section { padding: clamp(4rem, 9vw, 8rem) var(--pad); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: clamp(2rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.25rem;
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  font-weight: 400;
  text-transform: lowercase;
  letter-spacing: 0.02em;
}
.section h2 .index {
  color: var(--red);
  font-family: var(--font-mono);
  font-size: 0.55em;
  vertical-align: super;
  margin-right: 0.6rem;
}

/* ---------- filters ---------- */

.filters { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.filter-btn {
  color: var(--dim);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.5rem;
  text-transform: lowercase;
  transition: color 0.15s;
}
.filter-btn:hover { color: var(--ink); }
.filter-btn.is-active { color: var(--red); text-shadow: 0 0 12px rgba(255, 34, 68, 0.45); }

/* ---------- gallery ---------- */

.gallery {
  columns: 3;
  column-gap: 1.25rem;
}
@media (max-width: 1000px) { .gallery { columns: 2; } }
@media (max-width: 620px)  { .gallery { columns: 1; } }

.piece {
  break-inside: avoid;
  margin-bottom: 1.25rem;
}
.piece.is-hidden { display: none; }

.piece-btn {
  display: block;
  width: 100%;
  position: relative;
  border: 1px solid var(--line);
  background: var(--bg2);
  overflow: hidden;
  padding: 0;
}
.piece-btn img {
  width: 100%;
  filter: grayscale(0.35) contrast(1.02);
  transition: filter 0.25s, transform 0.35s;
}
.piece-btn:hover img,
.piece-btn:focus-visible img {
  filter: grayscale(0) contrast(1.05);
  transform: scale(1.025);
  animation: img-glitch 0.3s steps(2) 1;
}
@keyframes img-glitch {
  0%  { transform: translate(3px, 0) scale(1.025);  filter: grayscale(0) drop-shadow(-4px 0 var(--red)) drop-shadow(4px 0 var(--cyan)); clip-path: inset(8% 0 20% 0); }
  50% { transform: translate(-3px, 0) scale(1.025); filter: grayscale(0) drop-shadow(4px 0 var(--red)) drop-shadow(-4px 0 var(--cyan)); clip-path: inset(40% 0 6% 0); }
  100%{ transform: scale(1.025); clip-path: inset(0); }
}

.piece figcaption {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.6rem 0.8rem;
  background: linear-gradient(transparent, rgba(5, 5, 7, 0.92));
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.piece-btn:hover figcaption,
.piece-btn:focus-visible figcaption { opacity: 1; transform: translateY(0); }
.p-title { color: var(--ink); }
.p-cat { color: var(--red); font-size: 0.68rem; }

/* scroll reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- about ---------- */

.section-about { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.about-meta { font-size: 0.82rem; max-width: 34rem; }
.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--line);
  text-transform: lowercase;
  letter-spacing: 0.06em;
}
.meta-k { color: var(--dim); }
.meta-v { text-align: right; }
.blink { color: var(--red); animation: blink 1.4s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0.25; } }

/* ---------- contact ---------- */

.section-contact { text-align: left; }

.contact-mail {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 6.5vw, 5rem);
  text-transform: lowercase;
  letter-spacing: 0.01em;
  line-height: 1.1;
  border-bottom: 2px solid var(--red);
  padding-bottom: 0.2em;
  word-break: break-all;
}

.contact-links {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: lowercase;
}
.contact-links a { color: var(--dim); transition: color 0.15s; }
.contact-links a:hover { color: var(--ink); text-shadow: 1px 0 var(--red), -1px 0 var(--cyan); }

/* ---------- footer ---------- */

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem var(--pad);
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: lowercase;
}

/* ---------- lightbox ---------- */

.lightbox {
  position: fixed; inset: 0;
  background: rgba(3, 3, 5, 0.94);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: clamp(1rem, 4vw, 3rem);
  z-index: 9500;
}
.lightbox.is-open { display: flex; }

.lb-figure {
  max-width: min(1100px, 86vw);
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.lb-img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border: 1px solid var(--line);
  animation: lb-in 0.25s steps(3) both;
}
@keyframes lb-in {
  0%  { opacity: 0; transform: translateX(8px);  filter: drop-shadow(-6px 0 var(--red)) drop-shadow(6px 0 var(--cyan)); }
  60% { opacity: 1; transform: translateX(-4px); filter: drop-shadow(4px 0 var(--red)) drop-shadow(-4px 0 var(--cyan)); }
  100%{ opacity: 1; transform: none; filter: none; }
}
.lb-caption {
  font-size: 0.78rem;
  color: var(--dim);
  letter-spacing: 0.1em;
  text-transform: lowercase;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.lb-caption .c-title { color: var(--ink); }

.lb-close {
  position: absolute;
  top: 1.2rem; right: var(--pad);
  color: var(--dim);
  letter-spacing: 0.15em;
  font-size: 0.8rem;
}
.lb-close:hover { color: var(--red); }
.lb-prev, .lb-next {
  font-size: 1.4rem;
  color: var(--dim);
  padding: 1rem;
  flex-shrink: 0;
}
.lb-prev:hover, .lb-next:hover { color: var(--ink); text-shadow: 2px 0 var(--red), -2px 0 var(--cyan); }
@media (max-width: 620px) {
  .lb-prev, .lb-next { position: absolute; bottom: 0.5rem; z-index: 1; }
  .lb-prev { left: 20%; }
  .lb-next { right: 20%; }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .noise, .blink { animation: none; }
  .fc-slide { transition: none; }
  .glitch.is-glitching::before, .glitch.is-glitching::after { animation: none; opacity: 0; }
  .piece-btn:hover img { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .lb-img { animation: none; }
}