/* ============================================================
   qqwm1ka.dev — School Days visual-novel
   two routes: data-route="good" (default) / "bad"
   plain css, zero deps
   ============================================================ */

:root {
  /* ---- good route (по умолчанию) ---- */
  --bg: #160d12;
  --bg-2: #1e1016;
  --panel: rgba(28, 16, 22, 0.72);
  --panel-solid: #1b0f16;

  --crimson: #e11d48;
  --crimson-deep: #9f1239;
  --sakura: #f6a5c0;
  --gold: #f5b461;

  --text: #f6ebee;
  --text-dim: #cbabb5;

  --border: rgba(246, 165, 192, 0.18);
  --border-strong: rgba(225, 29, 72, 0.42);

  --tree-branch: #3a1a26;
  --blossom: #f6a5c0;
  --blossom-2: #ffd0dd;

  --sun-core: rgba(245, 180, 97, 0.55);
  --sun-mid: rgba(225, 29, 72, 0.18);
  --sky-glow: rgba(225, 29, 72, 0.10);

  --vignette: rgba(8, 4, 7, 0.55);
  --grain-opacity: 0.045;

  --radius: 18px;
  --font: "Manrope", system-ui, sans-serif;
  --display: "Playfair Display", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --jp: "Shippori Mincho", "Playfair Display", serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --koto-hair: #1b0e15;
  --koto-skin: #3c2530;
  --koto-uniform: #241019;
  --koto-rim: #f6a5c0;
}

/* ---- bad route (тёмная сторона) ---- */
[data-route="bad"] {
  --bg: #070406;
  --bg-2: #0c0608;
  --panel: rgba(14, 6, 9, 0.8);
  --panel-solid: #0c0507;

  --crimson: #d11023;
  --crimson-deep: #5e0010;
  --sakura: #7a4750;
  --gold: #9a3b3b;

  --text: #ddd2d2;
  --text-dim: #8f8285;

  --border: rgba(150, 40, 50, 0.22);
  --border-strong: rgba(176, 0, 32, 0.55);

  --tree-branch: #1a0a0e;
  --blossom: #6b2330;
  --blossom-2: #8b0c1c;

  --sun-core: rgba(176, 0, 32, 0.6);
  --sun-mid: rgba(94, 0, 16, 0.3);
  --sky-glow: rgba(120, 0, 18, 0.16);

  --vignette: rgba(0, 0, 0, 0.78);
  --grain-opacity: 0.085;

  --koto-hair: #080406;
  --koto-skin: #190b11;
  --koto-uniform: #0c0608;
  --koto-rim: #7a0016;
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100dvh;
  transition: background 0.6s var(--ease), color 0.6s var(--ease);
}

.mono { font-family: var(--mono); }

::selection { background: rgba(225, 29, 72, 0.5); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--crimson), var(--crimson-deep));
  border-radius: 8px; border: 2px solid var(--bg);
}

a { color: var(--sakura); text-decoration: none; }
img, svg { display: block; }
.ico { width: 22px; height: 22px; flex: none; }

h1, h2, h3 { line-height: 1.12; letter-spacing: -0.01em; }

.skip {
  position: fixed; top: -52px; left: 16px; z-index: 300;
  padding: 10px 16px; background: var(--crimson); color: #fff;
  border-radius: 10px; transition: top 0.2s var(--ease);
}
.skip:focus { top: 12px; }

:focus-visible {
  outline: 2px solid var(--crimson);
  outline-offset: 3px; border-radius: 6px;
}

/* ---------- background scene ---------- */
#petals {
  position: fixed; inset: 0; z-index: -2;
  width: 100%; height: 100%; pointer-events: none;
}

.scene-bg { position: fixed; inset: 0; z-index: -3; pointer-events: none; overflow: hidden; }

.sky {
  position: absolute; inset: 0;
  background:
    radial-gradient(1200px 800px at 82% -8%, var(--sky-glow), transparent 60%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 55%, #0c0609 100%);
  transition: background 0.6s var(--ease);
}

.sun {
  position: absolute; top: -120px; right: -60px;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--sun-core), var(--sun-mid) 42%, transparent 70%);
  filter: blur(6px);
  transition: background 0.6s var(--ease), filter 0.6s var(--ease);
  animation: sun-breathe 9s ease-in-out infinite;
}

.tree {
  position: absolute; top: 0; right: 0;
  width: min(46vw, 460px); height: auto;
  opacity: 0.9;
}
.branch path { fill: none; stroke: var(--tree-branch); stroke-width: 7; stroke-linecap: round; transition: stroke 0.6s var(--ease); }
.blossoms circle { transition: fill 0.6s var(--ease); }

.vignette {
  position: absolute; inset: 0;
  background: radial-gradient(120% 100% at 50% 40%, transparent 50%, var(--vignette) 100%);
  transition: background 0.6s var(--ease);
}

.grain {
  position: absolute; inset: 0; opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
  transition: opacity 0.6s var(--ease);
}

@keyframes sun-breathe { 0%, 100% { transform: scale(1); opacity: 0.92; } 50% { transform: scale(1.06); opacity: 1; } }

/* ---------- topbar ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 22px;
  padding: 13px 26px;
  background: color-mix(in srgb, var(--bg) 68%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background 0.6s var(--ease), border-color 0.6s var(--ease);
}

.logo {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--display); font-weight: 700; font-size: 19px; color: var(--text);
}
.logo-mark { width: 22px; height: 22px; color: var(--crimson); }
.logo-mark svg { width: 100%; height: 100%; }
.logo-dev { color: var(--crimson); }

.topnav { display: flex; gap: 20px; margin-left: 8px; }
.topnav a {
  font-family: var(--mono); font-size: 13px; color: var(--text-dim);
  position: relative; padding: 4px 2px; transition: color 0.2s;
}
.topnav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1.5px;
  background: linear-gradient(90deg, var(--crimson), var(--sakura));
  transform: scaleX(0); transform-origin: left; transition: transform 0.25s var(--ease);
}
.topnav a:hover { color: var(--text); }
.topnav a:hover::after { transform: scaleX(1); }

.topbar-right { display: flex; align-items: center; gap: 16px; margin-left: auto; }

.route-toggle {
  display: inline-flex; padding: 3px; gap: 2px;
  border: 1px solid var(--border-strong); border-radius: 100px;
  background: var(--panel);
}
.rt-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 12px; color: var(--text-dim);
  background: none; border: none; cursor: pointer;
  padding: 6px 13px; border-radius: 100px; transition: color 0.2s, background 0.3s var(--ease);
}
.rt-kanji { font-family: var(--jp); font-size: 13px; }
.rt-btn[aria-pressed="true"] { color: #fff; background: linear-gradient(120deg, var(--crimson), var(--crimson-deep)); }
.rt-btn:hover { color: var(--text); }

.gh-link { color: var(--text-dim); transition: color 0.2s, transform 0.2s; }
.gh-link:hover { color: var(--text); transform: translateY(-2px); }

/* ---------- layout ---------- */
main { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.scene-sec { padding: 92px 0 26px; }

h2 {
  font-family: var(--display);
  font-size: clamp(30px, 4.6vw, 46px); font-weight: 700;
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
}
.ep { font-family: var(--jp); font-size: 0.42em; color: var(--crimson); letter-spacing: 0.08em; }
.h-text { color: var(--text); }
.h-sub { font-size: 0.34em; color: var(--text-dim); font-weight: 400; letter-spacing: 0.02em; }

.sec-sub { color: var(--text-dim); margin: 12px 0 38px; max-width: 560px; }
.sec-sub code { color: var(--crimson); background: rgba(225, 29, 72, 0.1); padding: 2px 7px; border-radius: 6px; font-size: 0.9em; }

/* ---------- hero ---------- */
.hero {
  min-height: 100dvh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 100px 0 60px; position: relative;
}
.hero-inner { max-width: 680px; position: relative; z-index: 1; }

.chip {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 12px; color: var(--sakura);
  border: 1px solid var(--border-strong); background: rgba(225, 29, 72, 0.07);
  padding: 7px 14px; border-radius: 100px; margin-bottom: 20px;
}
.chip-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--crimson); box-shadow: 0 0 10px var(--crimson);
  animation: pulse 2.2s infinite;
}
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(0.55); opacity: 0.5; } }

.kana {
  font-family: var(--jp); font-size: clamp(13px, 1.6vw, 16px);
  letter-spacing: 0.5em; color: var(--crimson); opacity: 0.85; margin-bottom: 6px;
}

.title {
  font-family: var(--display);
  font-size: clamp(58px, 11vw, 128px); font-weight: 800; line-height: 0.98;
  color: var(--text); width: fit-content; position: relative;
  text-shadow: 0 0 38px rgba(225, 29, 72, 0.28);
}

.subtitle { margin-top: 12px; font-size: clamp(14px, 2vw, 18px); color: var(--crimson); letter-spacing: 0.02em; }

/* glitch */
.glitch::before, .glitch::after {
  content: attr(data-text); position: absolute; inset: 0;
  color: var(--text); opacity: 0; pointer-events: none;
}
.glitch:hover::before, [data-route="bad"] .glitch::before {
  opacity: 0.9; transform: translate(3px, -2px); text-shadow: -2px 0 var(--crimson);
  animation: glitch-a 0.5s steps(2) infinite; clip-path: inset(0 0 55% 0);
}
.glitch:hover::after, [data-route="bad"] .glitch::after {
  opacity: 0.9; transform: translate(-3px, 2px); text-shadow: 2px 0 #00e5ff;
  animation: glitch-b 0.4s steps(2) infinite; clip-path: inset(55% 0 0 0);
}
@keyframes glitch-a { 0% { clip-path: inset(8% 0 60% 0); } 50% { clip-path: inset(46% 0 20% 0); } 100% { clip-path: inset(70% 0 6% 0); } }
@keyframes glitch-b { 0% { clip-path: inset(60% 0 8% 0); } 50% { clip-path: inset(20% 0 46% 0); } 100% { clip-path: inset(6% 0 70% 0); } }

/* VN dialogue box */
.vn-box {
  position: relative; margin-top: 30px; max-width: 600px;
  background: var(--panel); border: 1px solid var(--border-strong);
  border-radius: 14px; padding: 26px 24px 22px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px rgba(8, 4, 7, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  cursor: pointer; transition: border-color 0.25s, transform 0.2s var(--ease);
}
.vn-box:hover { border-color: var(--crimson); }
.vn-name {
  position: absolute; top: -14px; left: 18px;
  font-family: var(--display); font-weight: 700; font-size: 15px; color: #fff;
  background: linear-gradient(120deg, var(--crimson), var(--crimson-deep));
  padding: 4px 16px; border-radius: 8px; letter-spacing: 0.01em;
  box-shadow: 0 6px 18px rgba(225, 29, 72, 0.35);
}
.vn-text { min-height: 3.2em; font-size: 16.5px; color: var(--text); }
.vn-caret { display: inline-block; width: 8px; height: 1.05em; background: var(--crimson); margin-left: 2px; vertical-align: text-bottom; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.vn-next { position: absolute; right: 16px; bottom: 10px; color: var(--crimson); font-size: 13px; animation: nudge 1.3s ease-in-out infinite; }
@keyframes nudge { 0%, 100% { transform: translateX(0); opacity: 0.6; } 50% { transform: translateX(4px); opacity: 1; } }

.hero-cta { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 14px; font-weight: 500;
  padding: 13px 22px; border-radius: 12px; border: 1px solid transparent; cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.25s var(--ease), border-color 0.2s, background 0.2s, color 0.2s;
}
.btn-primary { background: linear-gradient(120deg, var(--crimson), var(--crimson-deep)); color: #fff; box-shadow: 0 6px 26px rgba(225, 29, 72, 0.4); }
.btn-primary:hover { box-shadow: 0 10px 38px rgba(225, 29, 72, 0.6); transform: translateY(-2px); }
.btn-ghost { border-color: var(--border-strong); color: var(--sakura); background: rgba(225, 29, 72, 0.05); }
.btn-ghost:hover { background: rgba(225, 29, 72, 0.14); border-color: var(--crimson); color: var(--text); transform: translateY(-2px); }

.stats { display: flex; gap: 24px; flex-wrap: wrap; list-style: none; margin-top: 40px; color: var(--text-dim); font-size: 13px; }
.stats b { color: var(--text); font-weight: 700; }

.hero-scroll { position: absolute; bottom: 26px; left: 0; font-size: 11.5px; letter-spacing: 0.18em; color: var(--text-dim); text-transform: uppercase; animation: float-y 2.4s ease-in-out infinite; }
@keyframes float-y { 0%, 100% { transform: translateY(0); opacity: 0.5; } 50% { transform: translateY(6px); opacity: 1; } }

/* ---------- Kotonoha (original silhouette art) ---------- */
.kotonoha {
  position: absolute; right: max(1.5vw, 8px); bottom: 0; z-index: 0;
  width: clamp(200px, 23vw, 330px); height: auto; aspect-ratio: 320 / 560; max-height: 82vh;
  pointer-events: none; opacity: 0.92;
  transform-origin: 50% 100%;
  animation: koto-sway 7s ease-in-out infinite;
  -webkit-mask-image: linear-gradient(180deg, #000 66%, transparent 97%);
  mask-image: linear-gradient(180deg, #000 66%, transparent 97%);
  filter: drop-shadow(0 0 26px rgba(225, 29, 72, 0.22));
  transition: opacity 0.6s var(--ease), filter 0.6s var(--ease);
}
.kotonoha svg { width: 100%; height: 100%; display: block; }
.koto-hair { fill: var(--koto-hair); }
.koto-skin { fill: var(--koto-skin); }
.koto-uniform { fill: var(--koto-uniform); }
.koto-tie { fill: var(--crimson); }
.koto-pleat path { fill: none; stroke: var(--koto-rim); stroke-width: 1.5; opacity: 0.12; }
.koto-rim { fill: none; stroke: var(--koto-rim); stroke-width: 3; opacity: 0.5; }
.koto-eyes { opacity: 0; transition: opacity 0.5s var(--ease); }
.koto-eyes path { fill: #ff2b4d; }
@keyframes koto-sway { 0%, 100% { transform: rotate(-0.6deg); } 50% { transform: rotate(0.6deg); } }

[data-route="bad"] .kotonoha {
  opacity: 0.97;
  filter: drop-shadow(2px 0 rgba(176, 0, 32, 0.85)) drop-shadow(-2px 0 rgba(0, 229, 255, 0.5)) drop-shadow(0 0 30px rgba(176, 0, 32, 0.5));
}
[data-route="bad"] .kotonoha svg { animation: koto-glitch 2.6s steps(3) infinite; }
[data-route="bad"] .koto-eyes { opacity: 1; filter: drop-shadow(0 0 5px #ff0033); }
@keyframes koto-glitch { 0%, 58%, 100% { transform: translate(0, 0); } 62% { transform: translate(-3px, 0); } 68% { transform: translate(3px, 1px); } 74% { transform: translate(-2px, 0); } }

/* ---------- projects / CG gallery ---------- */
.cg-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.cg {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: border-color 0.25s, box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.cg:hover { border-color: var(--border-strong); box-shadow: 0 18px 48px rgba(159, 18, 57, 0.3); transform: translateY(-4px); }

.cg-frame {
  position: relative; height: 150px; border-radius: 12px; overflow: hidden;
  margin-bottom: 16px;
  background:
    radial-gradient(120% 120% at 80% 0%, rgba(225, 29, 72, 0.22), transparent 55%),
    linear-gradient(135deg, var(--bg-2), #120a0f);
  border: 1px solid var(--border);
  display: flex; align-items: flex-start; justify-content: space-between; padding: 12px;
}
.cg-frame::after {
  content: "✿"; position: absolute; right: 10px; bottom: -18px;
  font-size: 96px; color: var(--crimson); opacity: 0.12; line-height: 1;
}
.cg-no { font-size: 11px; color: var(--crimson); letter-spacing: 0.12em; z-index: 1; }
.cg-status { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-dim); z-index: 1; }
.cg-status .dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 8px #4ade80; animation: pulse 2.4s infinite; }
[data-route="bad"] .cg-status .dot { background: var(--crimson); box-shadow: 0 0 8px var(--crimson); }

.cg-sheen { position: absolute; inset: 0; background: linear-gradient(110deg, transparent 35%, rgba(255, 255, 255, 0.16) 50%, transparent 65%); transform: translateX(-120%); }
.cg.in .cg-sheen { animation: sheen 1.1s var(--ease) 0.2s 1; }
@keyframes sheen { to { transform: translateX(120%); } }

.cg h3 { font-family: var(--display); font-size: 23px; margin-bottom: 8px; color: var(--text); }
.cg p { color: var(--text-dim); font-size: 14.5px; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; list-style: none; margin-top: 14px; }
.tags li { font-size: 11px; color: var(--sakura); border: 1px solid var(--border-strong); background: rgba(225, 29, 72, 0.06); padding: 3px 10px; border-radius: 100px; }
.cg-link { position: relative; display: inline-block; margin-top: 16px; font-size: 13px; color: var(--crimson); }
a.cg-link:hover { text-decoration: underline; text-underline-offset: 4px; }
span.cg-link { color: var(--text-dim); }
.full-link { position: absolute; inset: -200% 0 0 0; }

/* ---------- stack / parameters ---------- */
.params { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.param { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; transition: border-color 0.25s, transform 0.25s var(--ease); }
.param:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.param-wide { grid-column: 1 / -1; }
.param-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.param-name { font-family: var(--display); font-size: 18px; font-weight: 600; color: var(--text); }
.param-tag { font-size: 11px; color: var(--crimson); letter-spacing: 0.08em; }
.bar { height: 8px; border-radius: 100px; background: rgba(255, 255, 255, 0.06); overflow: hidden; border: 1px solid var(--border); }
.bar i { display: block; height: 100%; width: 0; border-radius: 100px; background: linear-gradient(90deg, var(--crimson-deep), var(--crimson), var(--sakura)); transition: width 1s var(--ease); }
.param.in .bar i { width: var(--fill); }
.param-desc { color: var(--text-dim); font-size: 13.5px; line-height: 1.6; margin-top: 12px; }
.param-wide .param-desc { font-size: 12.5px; color: var(--sakura); letter-spacing: 0.01em; }

/* ---------- terminal ---------- */
.term { background: var(--panel-solid); border: 1px solid var(--border-strong); border-radius: var(--radius); overflow: hidden; box-shadow: 0 24px 66px rgba(8, 4, 7, 0.55); }
.term-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: rgba(225, 29, 72, 0.08); border-bottom: 1px solid var(--border); }
.tdot { width: 12px; height: 12px; border-radius: 50%; }
.tdot-r { background: #f87171; } .tdot-y { background: #fbbf24; } .tdot-g { background: #4ade80; }
.term-title { margin-left: 10px; font-size: 12.5px; color: var(--text-dim); }
.term-body { padding: 18px 20px; font-size: 13.5px; line-height: 1.75; height: 380px; overflow-y: auto; cursor: text; }
.term-out { white-space: pre-wrap; word-break: break-word; }
.term-out .t-cmd { color: var(--sakura); }
.term-out .t-dim { color: var(--text-dim); }
.term-out .t-ok { color: #4ade80; }
.term-out .t-crim { color: var(--crimson); }
.term-out .t-pink { color: var(--sakura); }
.term-out a { color: var(--crimson); text-decoration: underline; text-underline-offset: 3px; }
.term-line { display: flex; align-items: center; gap: 10px; margin-top: 4px; }
.term-prompt { color: var(--crimson); font-weight: 700; }
#term-in { flex: 1; background: none; border: none; outline: none; color: var(--text); font-family: var(--mono); font-size: 13.5px; caret-color: var(--crimson); }
#term-in::placeholder { color: rgba(203, 171, 181, 0.4); }

/* ---------- contact ---------- */
.contact-box {
  display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap;
  background: radial-gradient(600px 280px at 10% 0%, rgba(225, 29, 72, 0.2), transparent 60%), var(--panel);
  border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 30px 28px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.contact-text h3 { font-family: var(--display); font-size: 25px; margin-bottom: 8px; color: var(--text); }
.contact-text p { color: var(--text-dim); max-width: 460px; }
.contact-actions { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.contact-domain { color: var(--text-dim); font-size: 13px; letter-spacing: 0.08em; }

/* ---------- footer ---------- */
.footer { margin-top: 90px; border-top: 1px solid var(--border); padding: 26px 24px 34px; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-dim); }
.footer .sep { color: var(--crimson); }

/* ---------- toast ---------- */
#toast {
  position: fixed; left: 50%; bottom: 30px; z-index: 200; transform: translate(-50%, 80px);
  background: var(--panel-solid); border: 1px solid var(--border-strong); color: var(--sakura);
  padding: 13px 22px; border-radius: 12px; font-size: 13.5px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.55); opacity: 0; pointer-events: none;
  transition: transform 0.35s var(--ease), opacity 0.35s; max-width: min(90vw, 520px); text-align: center;
}
#toast.show { transform: translate(-50%, 0); opacity: 1; }

/* ---------- route crossfade flash ---------- */
.route-flash { position: fixed; inset: 0; z-index: 250; pointer-events: none; opacity: 0; background: radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.9), var(--crimson) 30%, transparent 72%); }
.route-flash.go { animation: flash 0.7s var(--ease) forwards; }
[data-route="bad"] .route-flash.go { background: radial-gradient(circle at 50% 45%, #fff, #b00020 22%, transparent 70%); }
@keyframes flash { 0% { opacity: 0; transform: scale(0.4); } 22% { opacity: 0.85; } 100% { opacity: 0; transform: scale(1.5); } }

/* ---------- scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.cg-grid .reveal:nth-child(2), .params .reveal:nth-child(2) { transition-delay: 0.07s; }
.cg-grid .reveal:nth-child(3), .params .reveal:nth-child(3) { transition-delay: 0.14s; }
.cg-grid .reveal:nth-child(4), .params .reveal:nth-child(4) { transition-delay: 0.21s; }
.params .reveal:nth-child(5) { transition-delay: 0.28s; }
.params .reveal:nth-child(6) { transition-delay: 0.35s; }

/* ---------- bad-route extra atmosphere ---------- */
[data-route="bad"] body, [data-route="bad"] .title { letter-spacing: 0; }
[data-route="bad"] .sun { animation: sun-breathe 9s ease-in-out infinite, moon-flicker 5s steps(8) infinite; }
@keyframes moon-flicker { 0%, 92%, 100% { opacity: 1; } 94% { opacity: 0.7; } 96% { opacity: 1; } }
[data-route="bad"] .subtitle::after { content: " // точка невозврата"; color: var(--crimson-deep); }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .kotonoha { display: none; }
}

@media (max-width: 900px) {
  .topnav { display: none; }
  .cg-grid { grid-template-columns: 1fr; }
  .params { grid-template-columns: 1fr; }
  .tree { width: 64vw; opacity: 0.55; }
}
@media (max-width: 640px) {
  .topbar { padding: 11px 16px; gap: 12px; }
  .scene-sec { padding: 66px 0 18px; }
  .hero { padding-top: 92px; }
  .vn-text { font-size: 15.5px; }
  .term-body { height: 320px; font-size: 12.5px; }
  .contact-box { flex-direction: column; align-items: flex-start; }
  .rt-btn { padding: 6px 10px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .vn-caret, .chip-dot, .hero-scroll { animation: none; }
  .param.in .bar i { transition: none; }
  [data-route="bad"] .glitch::before, [data-route="bad"] .glitch::after { animation: none; opacity: 0.5; }
}