/* ═══════════════════════════════════════════
   RESET
   ════════════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
ul, li { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: none; background: none; cursor: pointer; color: inherit; }

/* ═══════════════════════════════════════════
   TOKENS
   ════════════════════════════════════════════ */
:root {
  --display: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --sans: 'Plus Jakarta Sans', -apple-system, system-ui, sans-serif;
  --mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, monospace;

  /* Hero — light (white bg, dark text) */
  --h-bg: #f5f5f5;
  --h-ink: #1a1a1a;
  --h-chip: rgba(0,0,0,0.055);
  --h-chip-h: rgba(0,0,0,0.12);
  --h-accent: #1337ff;
  --h-ghost: rgba(0,0,0,0.07);

  /* Works — scheme-driven */
  --w-bg: #1337ff;
  --w-ink: #e6e6e6;
  --w-chip: color-mix(in srgb, var(--w-ink) 8%, var(--w-bg));
  --w-chip-lit: var(--w-ink);
  --w-chip-ink: var(--w-bg);

  --enter-step: 55ms;
}

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--sans);
  background: var(--h-bg);
  color: var(--h-ink);
  overflow-x: hidden;
}

.relative { position: relative; }

/* ═══════════════════════════════════════════
   TYPOGRAPHY
   ════════════════════════════════════════════ */
.text-display {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7.8vw, 7.5rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--h-ink);
}

.text-micro {
  font-family: var(--mono);
  font-size: clamp(0.5rem, 0.65vw, 0.68rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.text-right { text-align: right; }

/* ═══════════════════════════════════════════
   CHIP SYSTEM
   ════════════════════════════════════════════ */
.chip {
  display: inline-block;
  white-space: nowrap;
  padding: 4px 8px;
  font-family: var(--mono);
  font-size: clamp(0.62rem, 0.85vw, 0.82rem);
  font-weight: 500;
  letter-spacing: 0.015em;
  line-height: 1.45;
  background: var(--h-chip);
  color: var(--h-ink);
  transition: background 0.18s ease, color 0.18s ease;
}

.chip-link { outline: none; cursor: pointer; }
.chip-link:hover,
.chip-link:focus-visible { background: var(--h-chip-h); }

.chip-solid {
  display: inline-block;
  white-space: nowrap;
  padding: 4px 8px;
  font-family: var(--mono);
  font-size: clamp(0.62rem, 0.85vw, 0.82rem);
  font-weight: 700;
  letter-spacing: 0.015em;
  background: var(--w-ink);
  color: var(--w-bg);
}

.mention {
  color: var(--h-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  transition: text-decoration-thickness 0.15s;
}
.mention:hover { text-decoration-thickness: 2px; }

/* Scramble character styling */
.scr { color: var(--h-accent); opacity: 0.5; }
.works .scr { color: var(--w-ink); opacity: 0.75; }

/* ═══════════════════════════════════════════
   ENTER ANIMATION (JS-controlled)
   Elements start hidden, JS reveals with stagger
   ════════════════════════════════════════════ */
[data-enter],
[data-enter-works] {
  display: inline-block;
  opacity: 0;
  transform: translateY(18px);
  filter: blur(3px);
  will-change: transform, opacity, filter;
}

[data-enter].entered,
[data-enter-works].entered {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    filter 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Flicker effect class — brief flash during entrance */
[data-enter].flicker,
[data-enter-works].flicker {
  animation: chipFlicker 0.3s ease-out;
}

@keyframes chipFlicker {
  0%   { opacity: 1; }
  15%  { opacity: 0.15; }
  30%  { opacity: 0.85; }
  45%  { opacity: 0.1; }
  60%  { opacity: 0.95; }
  75%  { opacity: 0.3; }
  100% { opacity: 1; }
}

/* Button hover glitch & chromatic aberration animation */
@keyframes buttonGlitch {
  0% {
    transform: translate(0);
  }
  18% {
    transform: translate(-1.5px, 0.5px) skewX(-1.5deg);
    filter: drop-shadow(1.5px 0 rgba(255, 19, 55, 0.7)) drop-shadow(-1.5px 0 rgba(19, 55, 255, 0.7));
  }
  38% {
    transform: translate(1.5px, -0.5px) skewX(1deg);
    filter: none;
  }
  60% {
    transform: translate(-1px, 0);
    filter: drop-shadow(-1px 0 rgba(255, 19, 55, 0.5)) drop-shadow(1px 0 rgba(19, 55, 255, 0.5));
  }
  82% {
    transform: translate(0.5px, 0);
    filter: none;
  }
  100% {
    transform: translate(0);
    filter: none;
  }
}

.chip-link:hover,
.chip-link:focus-visible,
#btn-sound:hover,
#btn-scroll:hover {
  animation: buttonGlitch 0.22s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

/* ═══════════════════════════════════════════
   HERO SECTION
   ════════════════════════════════════════════ */
.hero {
  position: sticky;
  top: 0;
  z-index: 0;
  height: 100dvh;
  overflow: hidden;
  background: var(--h-bg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-bg.visible {
  opacity: 1;
}

#gl {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-layer {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  padding: clamp(12px, 3.33vw, 64px) clamp(12px, 9.27vw, 178px) clamp(12px, 1.67vw, 32px);
  pointer-events: none;
}

.hero-layer * { pointer-events: auto; }

/* Layout helpers */
.row     { display: flex; align-items: flex-start; justify-content: space-between; gap: 32px; }
.row-bot { align-items: flex-end; padding-bottom: 28px; }
.col     { display: flex; flex-direction: column; }
.col-left  { align-items: flex-start; }
.col-right { align-items: flex-end; }
.gap-1   { gap: 4px; }
.self-end { align-self: flex-end; }

/* Scroll hint — absolute bottom center */
.scroll-hint-wrap {
  position: absolute;
  inset-inline: 0;
  bottom: clamp(12px, 1.67vw, 32px);
  margin-inline: auto;
  width: fit-content;
}

.scroll-hint {
  animation: hintPulse 2.5s ease-in-out infinite;
}

@keyframes hintPulse {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 1; }
}

/* ═══════════════════════════════════════════
   WORKS SECTION
   ════════════════════════════════════════════ */
.works {
  position: relative;
  z-index: 10;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--w-bg);
  color: var(--w-ink);
  transition: background 0.4s ease, color 0.4s ease;
}

.works .chip {
  background: var(--w-chip);
  color: var(--w-ink);
}
.works .chip-link:hover {
  background: var(--w-chip-lit);
  color: var(--w-chip-ink);
}
.works .chip-solid {
  background: var(--w-chip-lit);
  color: var(--w-chip-ink);
}

/* Scheme bar */
.scheme-bar {
  position: absolute;
  z-index: 20;
  top: clamp(12px, 1.67vw, 32px);
  right: clamp(8px, 1.04vw, 20px);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
  max-width: calc(100vw - 24px);
}

/* Lo-Fi Player & Volume Control */
.lofi-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  background: var(--w-chip);
  color: var(--w-ink);
  transition: background 0.18s ease, color 0.18s ease;
  user-select: none;
}

.lofi-toggle {
  background: none;
  border: none;
  color: inherit;
  font-family: var(--mono);
  font-size: clamp(0.62rem, 0.85vw, 0.82rem);
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  outline: none;
  white-space: nowrap;
}

.lofi-toggle:hover {
  opacity: 0.8;
}

.vol-slider-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.lofi-volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: clamp(52px, 6vw, 76px);
  height: 4px;
  background: color-mix(in srgb, var(--w-ink) 25%, transparent);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  transition: background 0.15s;
  padding: 0;
  margin: 0;
}

.lofi-volume-slider:hover {
  background: color-mix(in srgb, var(--w-ink) 45%, transparent);
}

.lofi-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--w-ink);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.lofi-volume-slider::-webkit-slider-thumb:hover,
.lofi-volume-slider:active::-webkit-slider-thumb {
  transform: scale(1.35);
}

.lofi-volume-slider::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--w-ink);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.lofi-volume-slider::-moz-range-thumb:hover,
.lofi-volume-slider:active::-moz-range-thumb {
  transform: scale(1.35);
}

.vol-val {
  font-family: var(--mono);
  font-size: clamp(0.56rem, 0.72vw, 0.72rem);
  min-width: 26px;
  text-align: right;
  opacity: 0.85;
}

.sw {
  display: grid;
  place-items: center;
  width: clamp(18px, 1.25vw, 24px);
  height: clamp(18px, 1.25vw, 24px);
  background: var(--sb);
  outline: none;
  transition: transform 0.12s;
}
.sw::after {
  content: '';
  width: clamp(6px, 0.42vw, 8px);
  height: clamp(6px, 0.42vw, 8px);
  background: var(--sd);
  opacity: 0;
  transition: opacity 0.12s;
}
.sw.active::after,
.sw:hover::after { opacity: 1; }
.sw:hover { transform: scale(1.12); }

/* Works grid */
.works-grid {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100dvh;
  gap: 72px;
  padding: clamp(12px, 3.33vw, 64px) 12px clamp(12px, 1.67vw, 32px);
}

.wg {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

@media (min-width: 768px) {
  .works-grid {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr 1fr;
    gap: 0;
    padding: clamp(12px, 1.67vw, 32px) clamp(12px, 17.55vw, 337px);
  }
  .wg-tl { align-self: start; justify-self: start; align-items: flex-start; margin-top: calc(clamp(12px, 3.33vw, 64px) - clamp(12px, 1.67vw, 32px)); }
  .wg-c  { align-self: center; justify-self: center; align-items: center; }
  .wg-br { align-self: end; justify-self: end; align-items: flex-end; }
}

/* ═══════════════════════════════════════════
   TwistFlash overlay effect
   ════════════════════════════════════════════ */
.twist-flash {
  animation: twistFlash 0.45s ease-out;
}

@keyframes twistFlash {
  0%   { filter: brightness(1) contrast(1); transform: perspective(800px) rotateY(0); }
  20%  { filter: brightness(2.5) contrast(1.5); }
  40%  { filter: brightness(0.6) contrast(1.2); transform: perspective(800px) rotateY(2deg); }
  60%  { filter: brightness(1.8) contrast(1); }
  80%  { filter: brightness(0.9) contrast(1); transform: perspective(800px) rotateY(-1deg); }
  100% { filter: brightness(1) contrast(1); transform: perspective(800px) rotateY(0); }
}

/* ═══════════════════════════════════════════
   MOBILE ADAPTATION
   ════════════════════════════════════════════ */
@media (max-width: 767px) {
  .hero-layer {
    padding: clamp(12px, 3.5vw, 18px) 14px clamp(14px, 4vw, 22px);
  }
  .row-top {
    flex-direction: column;
    gap: 8px;
  }
  .row-top .col-right {
    align-items: flex-start;
  }
  .row-mid {
    flex-direction: column;
    gap: 6px;
  }
  .row-mid .self-end {
    align-self: flex-start;
  }
  .row-bot {
    flex-direction: column;
    gap: 12px;
    padding-bottom: 16px;
    align-items: flex-start;
  }
  .row-bot .text-display {
    text-align: left;
  }
  .scroll-hint-wrap {
    position: static;
    margin: 4px 0 0;
  }
  .text-display {
    font-size: clamp(2.2rem, 9.5vw, 3.6rem);
    line-height: 0.94;
  }
  .works-grid {
    gap: 48px;
    padding: clamp(60px, 10vh, 90px) 16px clamp(30px, 5vh, 48px);
  }
  .scheme-bar {
    top: 14px;
    right: 14px;
    gap: 6px;
  }
  .sw {
    width: 22px;
    height: 22px;
  }
}

/* Touchscreens: disable mouse-only hover badge */
@media (hover: none) {
  .cursor-badge {
    display: none !important;
  }
}

/* ═══════════════════════════════════════════
   SCROLLBAR — hidden (matches original)
   ════════════════════════════════════════════ */
::-webkit-scrollbar { width: 0; height: 0; }
html { scrollbar-width: none; }

/* ═══════════════════════════════════════════
   CURSOR BADGE (Follows mouse on 3D hover)
   ════════════════════════════════════════════ */
.cursor-badge {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  pointer-events: none;
  padding: 5px 11px;
  background: #121216;
  color: #f5f5f7;
  font-family: var(--mono);
  font-size: clamp(0.56rem, 0.72vw, 0.72rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18), 0 2px 6px rgba(0, 0, 0, 0.12);
  opacity: 0;
  transform: translate3d(-50%, -150%, 0) scale(0.85);
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.cursor-badge.visible {
  opacity: 1;
  transform: translate3d(-50%, -150%, 0) scale(1);
}

/* ═══════════════════════════════════════════
   PETPET MEME HAND
   ════════════════════════════════════════════ */
.petpet-hand {
  position: fixed;
  top: -9999px;
  left: -9999px;
  width: clamp(170px, 22vw, 290px);
  height: clamp(170px, 22vw, 290px);
  pointer-events: none;
  z-index: 80;
  opacity: 0;
  visibility: hidden;
  transform: translate(-38%, -88%) scale(0.92);
  transition:
    opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0.28s;
  user-select: none;
  -webkit-user-drag: none;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.15));
  will-change: transform, opacity;
}

.petpet-hand.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-38%, -72%) scale(1);
  transition:
    opacity 0.1s ease-out,
    transform 0.12s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ═══════════════════════════════════════════
   IPHONE SETUP "HELLO" MULTILINGUAL INTRO
   ════════════════════════════════════════════ */
.hello-intro {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  inset: 0;
  z-index: 99999;
  background: var(--h-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px);
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  touch-action: none;
  pointer-events: auto;
  opacity: 1;
  will-change: opacity, transform;
}

/* 1. WARMUP PHASE ("Прогрев") — digital text flicker + micro-shake, solid opaque background */
.hello-intro.warmup {
  opacity: 1 !important;
  animation: helloWarmupShake 0.07s infinite linear;
}

.hello-text.glitch-warmup {
  letter-spacing: -0.02em;
  animation:
    helloTextWarmupJitter 0.06s infinite linear,
    helloTextWarmupFlicker 0.11s infinite steps(1),
    helloTextSlice 0.12s infinite steps(2);
  will-change: transform, opacity;
}

@keyframes helloWarmupShake {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(-3px, 1.5px); }
  40%  { transform: translate(3px, -2px); }
  60%  { transform: translate(-2.5px, -1px); }
  80%  { transform: translate(2px, 2px); }
  100% { transform: translate(0, 0); }
}

@keyframes helloTextWarmupFlicker {
  0%   { opacity: 1; }
  18%  { opacity: 0.85; }
  32%  { opacity: 0.15; }
  50%  { opacity: 1; }
  68%  { opacity: 0.1; }
  82%  { opacity: 0.95; }
  94%  { opacity: 0.25; }
  100% { opacity: 1; }
}

@keyframes helloTextWarmupJitter {
  0%   { transform: translate(0, 0) skewX(0); }
  25%  { transform: translate(-5px, 2px) skewX(-2deg); }
  50%  { transform: translate(5px, -2px) skewX(2.5deg); }
  75%  { transform: translate(-2px, 3px) skewX(-1deg); }
  100% { transform: translate(0, 0) skewX(0); }
}

@keyframes helloTextSlice {
  0%   { -webkit-clip-path: inset(0 0 0 0); clip-path: inset(0 0 0 0); }
  15%  { -webkit-clip-path: inset(18% 0 52% 0); clip-path: inset(18% 0 52% 0); }
  30%  { -webkit-clip-path: inset(0 0 0 0); clip-path: inset(0 0 0 0); }
  50%  { -webkit-clip-path: inset(62% 0 10% 0); clip-path: inset(62% 0 10% 0); }
  70%  { -webkit-clip-path: inset(8% 0 74% 0); clip-path: inset(8% 0 74% 0); }
  85%  { -webkit-clip-path: inset(0 0 0 0); clip-path: inset(0 0 0 0); }
  100% { -webkit-clip-path: inset(0 0 0 0); clip-path: inset(0 0 0 0); }
}

/* 2. BOOM PHASE ("Бум") — sudden contrast/brightness burst & punch zoom dissolution */
.hello-intro.boom {
  pointer-events: none;
  animation: helloBoom 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hello-intro.boom .hello-text {
  animation: helloTextBoom 0.38s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes helloBoom {
  0% {
    opacity: 1;
    -webkit-filter: brightness(2.6) contrast(1.4);
    filter: brightness(2.6) contrast(1.4);
    transform: scale(1);
  }
  20% {
    opacity: 0.95;
    -webkit-filter: brightness(2) contrast(1.2);
    filter: brightness(2) contrast(1.2);
    transform: scale(1.04);
  }
  100% {
    opacity: 0;
    -webkit-filter: brightness(1);
    filter: brightness(1);
    transform: scale(1.12);
  }
}

@keyframes helloTextBoom {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  30% {
    opacity: 0.9;
    transform: scale(1.18);
  }
  100% {
    opacity: 0;
    transform: scale(1.35);
  }
}

.hello-wrap {
  text-align: center;
  padding: 16px;
  max-width: 100vw;
  box-sizing: border-box;
}

.hello-text {
  display: inline-block;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.2rem, 11vw, 8rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--h-ink);
  white-space: nowrap;
  max-width: 92vw;
  overflow: hidden;
  text-overflow: clip;
  will-change: transform, opacity;
  -webkit-font-smoothing: antialiased;
}

.hello-text.word-in {
  animation: helloWordIn 0.26s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hello-text.word-fast {
  animation: helloWordFast 0.08s ease-out forwards;
}

@keyframes helloWordIn {
  0% {
    opacity: 0;
    transform: translateY(14px) scale(0.97);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes helloWordFast {
  0% {
    opacity: 0.45;
    transform: translateY(5px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}