/* PierceView landing v6
   - Shared shell alignment (logo || left card, actions || right card)
   - Discrete phase fly-in (not scrub)
   - Scrollable -1 document; image-only drag
   - No auto-jump on load
*/

:root {
  --ink: #1c1a16;
  --ink-soft: #3d3a34;
  --muted: #6a655c;
  --faint: #8a8478;
  --accent: #9a7340;
  --accent-soft: rgba(154, 115, 64, 0.14);
  --front: #32302b;
  --front-mid: #3c3933;
  --back: #f7f4ec;
  --paper: #fffcf6;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.3, 0.64, 1);
  --font-d: "Outfit", "Noto Sans SC", system-ui, sans-serif;
  --font-b: "Noto Sans SC", "Outfit", system-ui, sans-serif;
  --portal-w: clamp(250px, 30vw, 360px);
  --portal-h: clamp(176px, 21vw, 252px);
  /* 顶栏与左右文案共用：贴边留白 */
  --shell-pad: clamp(1.1rem, 2.8vw, 2rem);
  --shell-max: 100%;
  --text-col: clamp(15rem, 22vw, 19.5rem);
  --z-stage: 1;
  --z-ui: 8;
  --z-top: 30;
  --z-ghost: 40;
  --z-toast: 50;
  --z-grain: 45;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto; /* avoid smooth fight with our lock */
}

body {
  margin: 0;
  font-family: var(--font-b);
  color: var(--ink);
  background: #141210;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.tabular {
  font-variant-numeric: tabular-nums;
}

.muted {
  color: var(--faint);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Top bar: flush to left / right with shell-pad ── */
.page-shell {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-top);
  pointer-events: none;
  padding: 0.85rem var(--shell-pad) 0;
}

.page-shell > * {
  pointer-events: auto;
}

.topbar {
  width: 100%;
  max-width: none;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.28rem 0.7rem 0.28rem 0.28rem;
  border-radius: 999px;
  background: rgba(255, 252, 246, 0.96);
  border: 1px solid rgba(28, 26, 22, 0.1);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.brand-cn {
  font-family: var(--font-d);
  font-weight: 700;
  font-size: 0.95rem;
}

.brand-en {
  font-family: var(--font-d);
  font-size: 0.72rem;
  color: var(--muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem;
  border-radius: 999px;
  background: rgba(20, 18, 16, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease);
}

.btn svg {
  flex-shrink: 0;
}

.btn-share {
  background: rgba(255, 255, 255, 0.1);
  color: #f3efe6;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.btn-share:hover {
  background: rgba(255, 255, 255, 0.18);
}

.btn-gh {
  background: #f3efe6;
  color: #141210;
}

.btn-gh:hover {
  background: #fff;
}

.btn-soft {
  background: rgba(28, 26, 22, 0.92);
  color: #f3efe6;
  margin-top: auto;
  align-self: flex-start;
}

.btn-soft:hover {
  background: #111;
}

.btn-send {
  background: #f3efe6;
  color: #141210;
  padding: 0.4rem 0.85rem;
}

.btn:active {
  transform: scale(0.98);
}

/* ── Reel ── */
.reel-track {
  /* short: demo stay + one threshold to unlock footer after points fly-in */
  height: 165vh;
}

.reel-pin {
  position: sticky;
  top: 0;
  height: 100dvh;
  overflow: hidden;
}

.stage {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  outline: none;
  background: #cfc9bb;
  contain: layout style;
}

.layer {
  position: absolute;
  inset: 0;
}

/* -1 scrollable document — fully behind front; no bleed */
.back {
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4.75rem 1rem 2rem;
  background: radial-gradient(900px 520px at 50% 30%, #fffef9, var(--back));
  overflow: hidden;
  isolation: isolate;
}

/*
 * 透视开启时：隐藏真实 -1 层，只保留框内克隆层。
 * 否则 mask 透出真实层 + 框内克隆会叠成「重影/错位重叠」。
 */
.stage.is-open .back {
  visibility: hidden;
  pointer-events: none;
}

.webdoc {
  width: min(26rem, 72%);
  height: min(70dvh, 36rem);
  max-height: calc(100% - 5rem);
  display: flex;
  flex-direction: column;
  border-radius: 1.1rem;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid rgba(28, 26, 22, 0.1);
  box-shadow: 0 18px 48px rgba(28, 26, 22, 0.12);
  position: relative;
  z-index: 0;
}

.webdoc-bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.8rem;
  background: #efeae1;
  border-bottom: 1px solid rgba(28, 26, 22, 0.08);
  font-size: 0.78rem;
  color: var(--muted);
}

.webdoc-dots {
  display: inline-flex;
  gap: 0.25rem;
}

.webdoc-dots i {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #cfc6b6;
  display: block;
}

.webdoc-url {
  font-family: var(--font-d);
  font-weight: 600;
  color: var(--ink-soft);
}

.webdoc-scroll {
  flex: 1 1 auto;
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 1rem 1.15rem 1.5rem;
  user-select: text;
  -webkit-user-select: text;
}

.webdoc-article h2 {
  margin: 0 0 0.55rem;
  font-family: var(--font-d);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.webdoc-article h3 {
  margin: 1.1rem 0 0.4rem;
  font-family: var(--font-d);
  font-size: 1.02rem;
  font-weight: 700;
}

.webdoc-article .lead {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0 0 0.5rem;
  line-height: 1.55;
}

.webdoc-article p {
  margin: 0 0 0.55rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.webdoc-article p.en {
  font-family: var(--font-d);
  font-size: 0.84rem;
  color: var(--muted);
}

.sel {
  cursor: text;
}

.sel::selection {
  background: rgba(154, 115, 64, 0.28);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0.85rem 0 0.85rem;
  position: relative;
  z-index: 1;
  clear: both;
}

.web-btn {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
  background: var(--ink);
  color: #f5f1e7;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  line-height: 1.2;
  white-space: nowrap;
}

.web-btn.ghost {
  background: #fff;
  color: var(--ink-soft);
  border: 1px solid rgba(28, 26, 22, 0.15);
}

.web-btn:active {
  transform: scale(0.98);
}

.click-feedback {
  display: block;
  margin: 0 0 0.65rem;
  min-height: 1.2em;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  clear: both;
}

.sel-list {
  margin: 0.35rem 0 0.75rem;
  padding-left: 1.15rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}

.web-fig {
  margin: 0.85rem 0;
  border-radius: 0.85rem;
  overflow: hidden;
  border: 1px solid rgba(28, 26, 22, 0.1);
  background: #f3efe6;
  cursor: grab;
  outline: none;
}

.web-fig:hover,
.web-fig:focus-visible {
  box-shadow: 0 0 0 2px rgba(154, 115, 64, 0.4);
}

.web-fig:active {
  cursor: grabbing;
}

.web-fig img {
  width: 100%;
  height: auto;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.web-fig figcaption {
  padding: 0.4rem 0.65rem 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-d);
  color: var(--muted);
  background: #faf7f1;
  border-top: 1px solid rgba(28, 26, 22, 0.06);
  cursor: text;
  user-select: text;
}

blockquote.sel {
  margin: 0.85rem 0;
  padding: 0.7rem 0.85rem;
  border-left: 3px solid var(--accent);
  background: #f3efe6;
  border-radius: 0 0.65rem 0.65rem 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.webdoc-end {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--faint);
  font-family: var(--font-d);
}

/* Front — solid cover so -1 never peeks except via F8 mask */
.front {
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  /* solid base first, then soft radial — no transparent holes */
  background-color: var(--front);
  background-image: radial-gradient(1000px 600px at 50% 42%, var(--front-mid) 0%, var(--front) 70%);
  pointer-events: none;
  transform: translateZ(0);
  transition: filter 0.7s var(--ease), opacity 0.7s var(--ease);
  overflow: hidden;
}

.stage.is-points .front {
  filter: brightness(0.72);
}

.front-center {
  text-align: center;
  width: min(22rem, 42vw);
  max-width: 22rem;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  position: relative;
  z-index: 2;
}

/* 透视开启时隐藏中央提示，避免与框内背景文案叠字 */
.stage.is-open .front-center,
.stage.is-points .front-center {
  opacity: 0;
  transform: translateY(-12px) scale(0.98);
  pointer-events: none;
}

.front-q {
  margin: 0;
  font-family: var(--font-d);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  color: #f5f1e7;
  letter-spacing: -0.02em;
}

.front-q-en {
  margin: 0.35rem 0 0.35rem;
  font-family: var(--font-d);
  color: rgba(245, 241, 231, 0.55);
  font-size: 0.95rem;
}

.front-tip {
  margin: 0 0 1.1rem;
  font-size: 0.82rem;
  color: rgba(226, 196, 138, 0.85);
}

.dropzone {
  pointer-events: auto;
  min-height: 3.8rem;
  padding: 0.85rem 1rem;
  border-radius: 1rem;
  border: 1px dashed rgba(243, 239, 229, 0.3);
  /* fully opaque so -1 never shows through the zone */
  background: rgba(28, 26, 22, 0.92);
  text-align: left;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
  position: relative;
  z-index: 3;
  overflow: hidden;
}

.stage.is-points .dropzone {
  pointer-events: none;
}

.dropzone.is-hot {
  border-color: rgba(226, 196, 138, 0.8);
  background: rgba(154, 115, 64, 0.2);
  box-shadow: 0 0 0 4px rgba(154, 115, 64, 0.12);
}

.dz-idle {
  color: rgba(243, 239, 229, 0.45);
  font-size: 0.86rem;
}

.dz-body {
  color: #f3efe5;
  font-size: 0.9rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.dz-body .thumb {
  display: block;
  margin-top: 0.45rem;
  width: 100%;
  max-height: 6.5rem;
  object-fit: cover;
  border-radius: 0.55rem;
}

/* Portal */
.portal {
  position: absolute;
  z-index: 6;
  width: var(--portal-w);
  height: var(--portal-h);
  left: 0;
  top: 0;
  border-radius: 1.35rem;
  overflow: hidden;
  pointer-events: auto;
  contain: strict;
  isolation: isolate;
  background: var(--paper);
  box-shadow:
    0 0 0 2px rgba(201, 164, 98, 0.88),
    0 0 0 10px rgba(201, 164, 98, 0.1),
    0 14px 36px rgba(0, 0, 0, 0.28);
  transform: translate3d(0, 0, 0);
  will-change: transform;
  backface-visibility: hidden;
}

.portal-view {
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 1.35rem;
  background: var(--paper);
  cursor: text;
  position: relative;
  z-index: 1;
}

.portal-scroll {
  position: absolute;
  left: 0;
  top: 0;
  will-change: transform;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4.75rem 1rem 2rem;
  background: radial-gradient(900px 520px at 50% 30%, #fffef9, var(--back));
  box-sizing: border-box;
}

/* 克隆文档在框内单独成层，避免与外部叠字 */
.portal-scroll .webdoc {
  box-shadow: none;
}

/* 前台保持实心，不再挖洞；-1 内容只出现在 .portal 克隆层内 */

.ghost {
  position: fixed;
  z-index: var(--z-ghost);
  pointer-events: none;
  max-width: 12rem;
  padding: 0.4rem 0.55rem;
  border-radius: 0.7rem;
  background: rgba(255, 252, 246, 0.96);
  border: 1px solid rgba(28, 26, 22, 0.12);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.18);
  font-size: 0.8rem;
  transform: translate(-18%, -115%);
  will-change: left, top;
}

.ghost img {
  width: 9rem;
  height: 5rem;
  object-fit: cover;
  border-radius: 0.4rem;
  margin-bottom: 0.25rem;
}

/* ── Side plain text in lower ovals (no cards) ── */
.stage-chrome {
  position: absolute;
  inset: 0;
  z-index: var(--z-ui);
  pointer-events: none;
}

.side-text {
  position: absolute;
  /* 垂直居中：相对整页视口中间 */
  top: 50%;
  transform: translateY(-50%);
  width: var(--text-col);
  max-width: min(19.5rem, 28vw);
  pointer-events: auto;
  background: none;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  padding: 0;
  transition:
    opacity 0.55s var(--ease),
    transform 0.7s var(--ease-spring),
    filter 0.55s var(--ease);
}

.side-text-cn {
  left: var(--shell-pad);
  text-align: left;
}

.side-text-en {
  right: var(--shell-pad);
  text-align: left;
}

/* 要点阶段淡出时保留居中基准，再叠加位移动画 */
.stage.is-points .side-text {
  opacity: 0;
  transform: translateY(calc(-50% + 20px));
  filter: blur(6px);
  pointer-events: none;
}

.tag {
  margin: 0 0 0.65rem;
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(226, 196, 138, 0.9);
  text-transform: none;
}

.side-text h1 {
  margin: 0;
  font-family: var(--font-d);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.18;
  font-size: clamp(1.45rem, 2.15vw, 2rem);
  color: #f4f0e6;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.desc {
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
  color: rgba(235, 230, 220, 0.72);
  line-height: 1.65;
  max-width: 18.5rem;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.28);
}

.desc strong {
  color: rgba(242, 220, 170, 0.95);
  font-weight: 650;
}

.hint {
  margin: 0.75rem 0 0;
  font-size: 0.78rem;
  color: rgba(201, 164, 98, 0.88);
  font-weight: 500;
  line-height: 1.5;
}

.hint kbd {
  display: inline-block;
  padding: 0.08rem 0.35rem;
  border-radius: 0.3rem;
  border: 1px solid rgba(201, 164, 98, 0.35);
  background: rgba(0, 0, 0, 0.25);
  font-family: var(--font-d);
  font-size: 0.78em;
  color: rgba(242, 220, 170, 0.95);
}

.text-link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-d);
  font-size: 0.88rem;
  font-weight: 650;
  color: #f4f0e6;
  border-bottom: 1px solid rgba(244, 240, 230, 0.35);
  padding-bottom: 0.12rem;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.text-link:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.65);
}

/* Soft side vignette — keeps text readable, not a card */
.stage::before,
.stage::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: min(36vw, 24rem);
  z-index: 3;
  pointer-events: none;
}

.stage::before {
  left: 0;
  background: linear-gradient(
    90deg,
    rgba(20, 18, 16, 0.45) 0%,
    rgba(20, 18, 16, 0.18) 42%,
    transparent 100%
  );
}

.stage::after {
  right: 0;
  background: linear-gradient(
    270deg,
    rgba(20, 18, 16, 0.45) 0%,
    rgba(20, 18, 16, 0.18) 42%,
    transparent 100%
  );
}

/* Points: discrete fly-in */
.points-layer {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem var(--shell-pad) 3rem;
  pointer-events: none;
  opacity: 0;
  transform: translateY(48px) scale(0.94);
  filter: blur(10px);
  transition:
    opacity 0.75s var(--ease),
    transform 0.85s var(--ease-spring),
    filter 0.7s var(--ease);
}

.stage.is-points .points-layer {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
  pointer-events: auto;
}

.points {
  width: min(38rem, 100%);
  display: grid;
  gap: 1.25rem;
  padding: 1.7rem 1.55rem;
  border-radius: 1.35rem;
  background: rgba(20, 18, 16, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.point h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-d);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  color: #f3efe6;
}

.point.accent h2 {
  color: #e2c48a;
}

.point .cn {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(243, 239, 230, 0.85);
}

.point .en {
  margin: 0.3rem 0 0;
  font-family: var(--font-d);
  font-size: 0.85rem;
  color: rgba(243, 239, 230, 0.42);
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.1rem;
  transform: translateX(-50%);
  z-index: 9;
  margin: 0;
  font-family: var(--font-d);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(243, 239, 229, 0.4);
  pointer-events: none;
  transition: opacity 0.45s var(--ease);
}

.stage.is-points .scroll-hint {
  opacity: 0;
}

/* Footer — same horizontal shell */
.endstrip {
  position: relative;
  z-index: 2;
  background: #12100e;
  color: #d8d2c6;
  padding: 1rem 0 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.end-inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 var(--shell-pad);
}

.end-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  align-items: center;
  justify-content: space-between;
}

.note-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  flex: 1 1 16rem;
}

.note-strip input {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
  padding: 0.38rem 0.7rem;
  color: #f0ebe1;
  outline: none;
}

.note-strip input#noteName {
  width: 5rem;
}

.note-strip input#noteBody {
  flex: 1 1 9rem;
  min-width: 9rem;
}

.stats {
  display: flex;
  gap: 0.8rem;
  font-size: 0.8rem;
  color: rgba(216, 210, 198, 0.6);
}

.stats b {
  font-family: var(--font-d);
  color: #f0ebe1;
  margin-right: 0.15rem;
}

.end-meta {
  margin-top: 0.55rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  justify-content: space-between;
  font-size: 0.72rem;
  color: rgba(216, 210, 198, 0.4);
}

.end-links {
  display: inline-flex;
  gap: 0.7rem;
}

.end-links a:hover {
  color: #f0ebe1;
}

.note-rail {
  list-style: none;
  margin: 0.45rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.note-rail:empty {
  display: none;
}

.note-rail li {
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.75rem;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.note-rail strong {
  color: #e2c48a;
  margin-right: 0.25rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.1rem;
  transform: translateX(-50%) translateY(0.3rem);
  z-index: var(--z-toast);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: rgba(28, 26, 22, 0.94);
  color: #f3efe5;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.86rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .side-text,
  .points-layer,
  .front-center,
  .front {
    transition: none !important;
    filter: none !important;
  }

  .stage.is-points .points-layer {
    transform: none;
  }
}

@media (max-width: 1100px) {
  .side-text {
    max-width: min(16.5rem, 26vw);
  }

  .side-text h1 {
    font-size: 1.3rem;
  }

  .desc {
    font-size: 0.82rem;
  }
}

@media (max-width: 900px) {
  .side-text {
    display: none;
  }

  .stage::before,
  .stage::after {
    display: none;
  }

  .front-center {
    width: min(26rem, 88%);
    max-width: none;
  }

  .webdoc {
    width: min(28rem, 90%);
  }

  .reel-track {
    height: 150vh;
  }
}

@media (max-width: 640px) {
  .brand-en {
    display: none;
  }

  .btn-share span,
  .btn-gh span {
    display: none;
  }

  .btn-share,
  .btn-gh {
    padding: 0.5rem;
  }

  :root {
    --portal-w: 220px;
    --portal-h: 154px;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .points,
  .brand,
  .topbar-actions {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .points {
    background: #1c1a16;
  }

  .topbar-actions {
    background: #1c1a16;
  }
}

@media (prefers-reduced-motion: reduce) {
  .side-text {
    transition: none;
  }
}