/* ═══════════════════════════════════════════
   i7ack.COM — FUTURE UNLOCKED
   v3 — 商业级个人品牌站
   v20260422t — FUTURE紫粉+UNLOCKED绿色+MANIFEST视频区
   视觉：思想黑+岩石灰渐变 + 斜切光晕 + 哲学质感
   ═══════════════════════════════════════════ */

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

/* ── CSS CUSTOM PROPERTIES ── */
:root {
  /* 色彩 — 铁墨极简：思想黑+岩石灰，宗教哲学质感 */
  --c-void:        #06070A;
  --c-abyss:       #0A0B0F;
  --c-deep:        #0E1015;
  --c-ink:         #14161C;
  --c-slate:       #1C1E26;
  --c-steel:       #262830;

  /* 岩石灰渐变 — 思想黑到石的过渡 */
  --c-stone:       #1A1C22;
  --c-granite:     #22242C;
  --c-basalt:      #2E3038;

  --c-moon:        #D0D2DC;
  --c-silver:      #9092A0;
  --c-dim:         #5C5E6C;
  --c-muted:       #383A46;

  /* 铂金渐变色 — 斜切光晕的"光" */
  --c-platinum:    #9A9CB0;
  --c-palladium:   #B4B6C8;
  --c-chrome:      #7A7C90;

  /* 渐变 — 铂金调，灰度内的微妙流动 */
  --grad-origin:   linear-gradient(135deg, var(--c-chrome) 0%, var(--c-palladium) 100%);
  --grad-main:     linear-gradient(135deg, var(--c-platinum) 0%, var(--c-palladium) 100%);
  --grad-omega:    linear-gradient(135deg, var(--c-dim) 0%, var(--c-silver) 100%);

  /* 字体 */
  --f-ava:         'AVA', sans-serif;
  --f-trobus:      'Trobus', sans-serif;
  --f-copperplate: 'Copperplate Gothic', serif;
  --f-heading:     'Century Gothic', sans-serif;
  --f-body:        'Inter', sans-serif;

  /* 字重 */
  --w-light:       300;
  --w-regular:     400;
  --w-medium:      500;
  --w-bold:        700;

  /* 字距 */
  --tracking-tight:  -0.04em;
  --tracking-snug:   -0.025em;
  --tracking-normal: -0.01em;
  --tracking-body:    0.005em;
  --tracking-loose:   0.04em;
  --tracking-mega:    0.15em;

  /* 行高 */
  --leading-tight:   1.15;
  --leading-snug:    1.3;
  --leading-normal:  1.5;
  --leading-relaxed: 1.7;
  --leading-loose:   1.9;

  /* 布局 */
  --side-pad: clamp(2rem, 5vw, 5rem);
  --max-width: 1400px;
}

/* ── FONT FACE ── */
@font-face {
  font-family: 'AVA';
  src: url('../fonts/AVA-Regular.woff2') format('woff2'),
       url('../fonts/AVA-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Trobus';
  src: url('../fonts/Trobus-Expanded.woff2') format('woff2'),
       url('../fonts/Trobus-Expanded.220702-2244.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Century Gothic';
  src: url('../fonts/CenturyGothic.woff2') format('woff2'),
       url('../fonts/CenturyGothic.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Century Gothic';
  src: url('../fonts/CenturyGothic-Bold.woff2') format('woff2'),
       url('../fonts/CenturyGothic-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Copperplate Gothic';
  src: url('../fonts/CopperplateGothic-29BC.woff2') format('woff2'),
       url('../fonts/CopperplateGothic-29BC.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Copperplate Gothic';
  src: url('../fonts/CopperplateGothic-32BC.woff2') format('woff2'),
       url('../fonts/CopperplateGothic-32BC.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ── BASE ── */
html {
  scroll-behavior: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--f-body);
  font-weight: var(--w-regular);
  color: var(--c-moon);
  background-color: #020304;
  line-height: var(--leading-relaxed);
  overflow-x: hidden;
}

/* ── LOADER — 加载遮罩 ── */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: var(--c-void);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.8s cubic-bezier(0.25, 0.1, 0.25, 1), visibility 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.4rem;
}

.loader__text {
  font-family: var(--f-display);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 300;
  letter-spacing: 0.18em;
  color: var(--c-moon);
  opacity: 0.9;
}

.loader__dot {
  color: #7CFC00;
  -webkit-text-fill-color: #7CFC00;
  opacity: 1;
  animation: loaderDotBlink 1s steps(1) infinite;
}

@keyframes loaderDotBlink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.loader__bar {
  width: 120px;
  height: 2px;
  background-color: var(--c-steel);
  border-radius: 1px;
  overflow: hidden;
}

.loader__bar-fill {
  width: 0%;
  height: 100%;
  background-color: #7CFC00;
  border-radius: 1px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── BODY 加载状态 ── */
/* loader z-index:9999 遮住一切，自身淡出即内容淡入，无需额外控制 */

/* ── 颗粒纹理 — 摩西石板质感，粗粝而庄严 ── */
.grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.55' numOctaves='5' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}

/* ── 图片占位符 ── */
.placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--c-ink) 0%, var(--c-slate) 100%);
  border: 1px solid var(--c-steel);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.placeholder::after {
  content: attr(data-label);
  font-family: var(--f-heading);
  font-weight: var(--w-light);
  font-size: 1rem;
  letter-spacing: var(--tracking-loose);
  color: var(--c-dim);
  opacity: 0.6;
}

.placeholder--portrait {
  aspect-ratio: 3/4;
}


/* ═══════════════════════════════════════════
   NAV — 固定导航
   ═══════════════════════════════════════════ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 1.5rem var(--side-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s ease, opacity 0.4s ease, transform 0.4s ease;
  background: transparent;
}

/* 滚动中隐藏导航 */
.site-nav.is-hidden {
  opacity: 0;
  transform: translateY(-100%);
  pointer-events: none;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav__link {
  font-family: var(--f-heading);
  font-weight: var(--w-bold);
  font-size: 0.95rem;
  color: var(--c-silver);
  text-decoration: none;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.3s ease;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: #7CFC00;
  transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-nav__link:hover {
  color: #7CFC00;
}

.site-nav__link:hover::after {
  width: 100%;
}

.site-nav__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--c-silver);
  text-decoration: none;
  transition: color 0.3s ease, transform 0.3s ease;
}

.site-nav__icon svg {
  width: 18px;
  height: 18px;
}

.site-nav__icon:hover {
  color: #7CFC00;
  transform: translateY(-1px);
}

.site-logo {
  display: block;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.site-logo:hover {
  opacity: 0.8;
}

.site-logo img {
  height: clamp(40px, 5vw, 68px);
  width: auto;
  display: block;
  filter: brightness(0.9);
}


/* ── SECTION UTILITIES ── */
.section-label {
  font-family: var(--f-copperplate);
  font-weight: 700;
  font-size: 1.5rem;
  text-shadow: 0 0 2px currentColor, 0 0 2px currentColor, 0 0 2px currentColor, 0 0 2px currentColor;
  letter-spacing: var(--tracking-mega);
  color: var(--c-platinum);
  text-transform: uppercase;
  display: block;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--f-trobus);
  font-weight: var(--w-bold);
  font-size: clamp(3rem, 7vw, 5.5rem);
  letter-spacing: var(--tracking-tight);
  color: #7CFC00;
  line-height: var(--leading-tight);
}

/* 逐字打字效果 — 每个字母包裹在span中 */
.section-title .title-char {
  display: inline-block;
  opacity: 0;
  transform: translateY(30px) scale(0.7);
  filter: blur(6px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.section-title .title-char.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}


/* ── REVEAL ANIMATION ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1),
              transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-direction="left"][data-reveal] {
  transform: translateX(-80px);
}
[data-direction="left"][data-reveal].is-visible {
  transform: translateX(0);
}

[data-direction="right"][data-reveal] {
  transform: translateX(80px);
}
[data-direction="right"][data-reveal].is-visible {
  transform: translateX(0);
}


/* ═══════════════════════════════════════════
   ORIGIN — 英雄区（Scroll Shrink 过渡）
   初始：WebGL全屏，撑满视口
   滚动：画面等比缩小到中间~10%，两侧渐现 FUTURE / UNLOCKED
   ═══════════════════════════════════════════ */

/* 英雄区 — 占位容器，提供滚动距离
   内部inner/marquee/lockup全部fixed铺满视口
   origin本身不显示，只占文档流空间 */
.origin {
  position: relative;
  overflow: visible;
  z-index: 10;
  /* 高度由origin__scroll-spacer撑开 */
}

/* Phase3盖子 — 从底部滑上来覆盖第二屏，像盖子一样合上
   JS控制translateY，背景与MIND一致实现无缝衔接 */
.origin__fade-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  z-index: 4;
  pointer-events: none;
  background: linear-gradient(
    160deg,
    var(--c-deep) 0%,
    var(--c-stone) 25%,
    var(--c-granite) 50%,
    var(--c-stone) 75%,
    var(--c-deep) 100%
  );
  transform: translateY(100%);
  /* will-change由JS在动画阶段临时添加 */
}

/* ── 第二屏背景图 — fixed铺满视口，z-index在inner下方 ── */
.origin__stone-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  background: url('../cover_imge/stone-bg.webp') center / cover no-repeat;
}

/* GSAP ScrollTrigger pin wrapper 透明 — 备用 */
.pin-spacer {
  background: transparent !important;
}

/* 滚动占位空间 — 提供足够的滚动距离让fixed层完成动画
   Phase1(淡出首屏) + Phase2(停留展示) + Phase3(第二屏滑走)
   总高度由JS动态设置 */
.origin__spacer {
  pointer-events: none;
  background: transparent;
}

/* 画面容器 — fixed铺满视口，滚动时opacity淡出
   不再scale缩小，只做淡出 */
.origin__inner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  overflow: hidden;
}
/* 马赛克消解Canvas：覆盖在inner(z:1)上方，滚动时逐格填充void色"腐蚀"inner画面 */
.origin__mosaic-mask {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

/* ── 第二屏背景图 — 由 .origin 的 background 承载 ── */

/* ── 跑马灯文字背景 — 14行交错循环滚动，机器码质感 ──
   fixed定位钉在视口，动画阶段不变
   progress到1后JS用translateY让它随滚动向上滑走 */
.origin__marquee {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  padding: 1vh 0;
}

.origin__marquee-row {
  display: flex;
  white-space: nowrap;
  line-height: 1.05;
}

.origin__marquee-row--left {
  animation: marqueeLeft 18s linear infinite;
}

.origin__marquee-row--right {
  animation: marqueeRight 18s linear infinite;
}

/* 14行不同速度 — 9~15s，2倍速 */
.origin__marquee-row:nth-child(1)  { animation-duration: 10s; }
.origin__marquee-row:nth-child(2)  { animation-duration: 12s; }
.origin__marquee-row:nth-child(3)  { animation-duration: 9s; }
.origin__marquee-row:nth-child(4)  { animation-duration: 13s; }
.origin__marquee-row:nth-child(5)  { animation-duration: 11s; }
.origin__marquee-row:nth-child(6)  { animation-duration: 14s; }
.origin__marquee-row:nth-child(7)  { animation-duration: 9.5s; }
.origin__marquee-row:nth-child(8)  { animation-duration: 12.5s; }
.origin__marquee-row:nth-child(9)  { animation-duration: 10.5s; }
.origin__marquee-row:nth-child(10) { animation-duration: 13.5s; }
.origin__marquee-row:nth-child(11) { animation-duration: 11.5s; }
.origin__marquee-row:nth-child(12) { animation-duration: 9s; }
.origin__marquee-row:nth-child(13) { animation-duration: 13s; }
.origin__marquee-row:nth-child(14) { animation-duration: 10s; }

/* ORIGIN区不可见时暂停跑马灯，省GPU */
.origin__marquee.is-paused .origin__marquee-row {
  animation-play-state: paused;
}

.origin__marquee-track {
  display: inline-block;
  font-size: clamp(1.8rem, 4.5vw, 4rem);
  letter-spacing: var(--tracking-snug);
  color: var(--c-dim);
  opacity: 0.3;
  flex-shrink: 0;
}

/* ── 4种字体变体 ── */
.font-grotesk-bold {
  font-family: var(--f-heading);
  font-weight: 700;
  font-size: clamp(1.8rem, 4.2vw, 3.8rem);
  opacity: 0.32;
  letter-spacing: -0.03em;
}

.font-grotesk-light {
  font-family: var(--f-heading);
  font-weight: 300;
  font-size: clamp(1.4rem, 3.2vw, 2.8rem);
  opacity: 0.2;
  letter-spacing: -0.01em;
}

.font-inter-light {
  font-family: var(--f-body);
  font-weight: 300;
  font-size: clamp(1.2rem, 2.8vw, 2.4rem);
  opacity: 0.16;
  letter-spacing: 0.01em;
}

.font-inter-medium {
  font-family: var(--f-body);
  font-weight: 500;
  font-size: clamp(1.5rem, 3.5vw, 3rem);
  opacity: 0.25;
  letter-spacing: -0.02em;
}

/* ── 代码符号样式 ── */
.code-tag,
.code-fn,
.code-sym {
  font-family: 'Courier New', 'Fira Code', monospace;
  font-weight: 400;
  opacity: 0.5;
  padding: 0 0.12em;
  transition: opacity 0.3s ease, color 0.3s ease, text-shadow 0.3s ease;
}

.code-tag {
  color: var(--c-platinum);
  font-size: 0.65em;
}

.code-fn {
  color: var(--c-palladium);
  font-size: 0.6em;
}

.code-sym {
  color: var(--c-chrome);
  font-size: 0.55em;
}

/* ── 代码符号随机高亮 ── */
.code-tag.is-highlight,
.code-fn.is-highlight,
.code-sym.is-highlight {
  opacity: 1;
  text-shadow: 0 0 12px currentColor, 0 0 30px currentColor;
}

.code-tag.is-highlight {
  color: var(--c-moon);
}

.code-fn.is-highlight {
  color: var(--c-moon);
}

.code-sym.is-highlight {
  color: var(--c-palladium);
}

@keyframes marqueeLeft {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes marqueeRight {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* 流体图像过渡 — WebGL Canvas容器，全屏覆盖 */
.origin__fluid {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: auto;
  cursor: default;
}

.origin__fluid canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* ══ 锁定态：FUTURE ─ [Logo] ─ UNLOCKED ══
   fixed定位钉在视口，动画阶段不变
   progress到1后JS用translateY让它随滚动向上滑走
   布局：三段flex — 左段(FUTURE, flex:1, 右对齐) + 中段(Logo, 固定宽) + 右段(UNLOCKED, flex:1, 左对齐) */
.origin__lockup {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2vw, 2rem);
  padding: 0 clamp(4rem, 8vw, 10rem);
  opacity: 0;
  pointer-events: none;
  /* will-change由JS在动画前临时添加 */
}

.origin__lockup-logo-shake {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  pointer-events: none;
  transition: filter 0.2s;
}

.origin__lockup-logo-shake:hover {
  filter: brightness(1.1);
}

.origin__lockup-logo {
  height: clamp(150px, 24vw, 330px);
  width: auto;
  opacity: 0;
  /* will-change由JS在动画前临时添加 */
  filter: brightness(0.92);
  display: block;
}

.origin__lockup-text {
  font-family: var(--f-trobus);
  font-weight: 400;
  font-size: clamp(1.25rem, 3vw, 3.5rem);
  letter-spacing: -0.02em;
  color: #7CFC00;
  white-space: nowrap;
  opacity: 0;
  text-align: center;
  line-height: 1;
  /* JS scroll驱动控制transform和opacity */
  /* will-change由JS在动画前临时添加 */
  flex: 0 0 auto;
  text-shadow: 0 0 20px rgba(124, 252, 0, 0.3);
  animation: lockup-glow 1.5s ease-in-out infinite;
}

@keyframes lockup-glow {
  0%, 60%, 100% {
    text-shadow: 0 0 6px rgba(124, 252, 0, 0.15);
  }
  30% {
    text-shadow: 0 0 30px rgba(124, 252, 0, 0.6),
                 0 0 60px rgba(124, 252, 0, 0.3),
                 0 0 90px rgba(124, 252, 0, 0.1);
  }
}

/* ── 像素块肌理 — 字体表面叠加深浅数码像素块，文字本身不变 ── */
.lockup__char {
  display: inline-block;
  position: relative;
}

.lockup__char::before {
  content: '';
  position: absolute;
  inset: -2px;
  /* 像素块深浅肌理 — 4px方块网格 + 对角渐变 */
  background:
    repeating-linear-gradient(
      0deg,
      transparent 0px, transparent 4px,
      rgba(0,0,0,0.3) 4px, rgba(0,0,0,0.3) 8px
    ),
    repeating-linear-gradient(
      90deg,
      transparent 0px, transparent 4px,
      rgba(0,0,0,0.25) 4px, rgba(0,0,0,0.25) 8px
    ),
    linear-gradient(
      135deg,
      rgba(0,0,0,0.4) 0%,
      transparent 25%,
      rgba(0,0,0,0.2) 50%,
      transparent 75%,
      rgba(0,0,0,0.35) 100%
    );
  mix-blend-mode: multiply;
  pointer-events: none;
  animation: pixel-breathe 1.5s ease-in-out infinite;
}

/* 各字母肌理微偏移，避免整齐感 */
.origin__lockup-text--left .lockup__char:nth-child(1)::before { background-position: 0px 0px, 0px 0px, 0px 0px; animation-delay: 0s; }
.origin__lockup-text--left .lockup__char:nth-child(2)::before { background-position: 1px 2px, 1px 2px, 3px 1px; animation-delay: -0.12s; }
.origin__lockup-text--left .lockup__char:nth-child(3)::before { background-position: 2px 1px, 2px 1px, 1px 3px; animation-delay: -0.24s; }
.origin__lockup-text--left .lockup__char:nth-child(4)::before { background-position: 3px 0px, 3px 0px, 2px 2px; animation-delay: -0.08s; }
.origin__lockup-text--left .lockup__char:nth-child(5)::before { background-position: 1px 3px, 1px 3px, 0px 1px; animation-delay: -0.2s; }
.origin__lockup-text--left .lockup__char:nth-child(6)::before { background-position: 0px 2px, 0px 2px, 3px 0px; animation-delay: -0.16s; }

.origin__lockup-text--right .lockup__char:nth-child(1)::before { background-position: 2px 0px, 2px 0px, 1px 2px; animation-delay: -0.04s; }
.origin__lockup-text--right .lockup__char:nth-child(2)::before { background-position: 0px 3px, 0px 3px, 2px 1px; animation-delay: -0.18s; }
.origin__lockup-text--right .lockup__char:nth-child(3)::before { background-position: 3px 1px, 3px 1px, 0px 3px; animation-delay: -0.1s; }
.origin__lockup-text--right .lockup__char:nth-child(4)::before { background-position: 1px 0px, 1px 0px, 3px 2px; animation-delay: -0.22s; }
.origin__lockup-text--right .lockup__char:nth-child(5)::before { background-position: 2px 2px, 2px 2px, 1px 0px; animation-delay: -0.06s; }
.origin__lockup-text--right .lockup__char:nth-child(6)::before { background-position: 0px 1px, 0px 1px, 2px 3px; animation-delay: -0.14s; }
.origin__lockup-text--right .lockup__char:nth-child(7)::before { background-position: 3px 3px, 3px 3px, 0px 0px; animation-delay: -0.02s; }
.origin__lockup-text--right .lockup__char:nth-child(8)::before { background-position: 1px 1px, 1px 1px, 3px 3px; animation-delay: -0.2s; }

/* 像素块呼吸 — 肌理深浅微妙波动，与辉光同步 */
@keyframes pixel-breathe {
  0%, 60%, 100% {
    opacity: 0.5;
  }
  30% {
    opacity: 1;
  }
}

/* FUTURE — 居中，亮紫粉色 */
.origin__lockup-text--left {
  text-align: center;
  color: #F050E8;
  text-shadow: 0 0 20px rgba(240, 80, 232, 0.3);
  animation: lockup-glow-pink 1.5s ease-in-out infinite;
}

@keyframes lockup-glow-pink {
  0%, 60%, 100% {
    text-shadow: 0 0 6px rgba(240, 80, 232, 0.15);
  }
  30% {
    text-shadow: 0 0 30px rgba(240, 80, 232, 0.6),
                 0 0 60px rgba(240, 80, 232, 0.3),
                 0 0 90px rgba(240, 80, 232, 0.1);
  }
}

/* UNLOCKED — 居中，紧贴FUTURE */
.origin__lockup-text--right {
  text-align: center;
  margin-top: -0.8em;
}

.origin__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 var(--side-pad);
}

.origin__title {
  margin-bottom: 2rem;
}

.origin__title-ava {
  font-family: var(--f-ava);
  font-weight: 400;
  font-size: clamp(3.5rem, 10vw, 9rem);
  letter-spacing: var(--tracking-mega);
  background: linear-gradient(135deg, #5ADE00 0%, #7CFC00 40%, #A0FF40 60%, #7CFC00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  line-height: 1;
  filter: drop-shadow(0 0 40px rgba(124, 252, 0, 0.15));
}

.origin__subtitle {
  font-family: var(--f-heading);
  font-weight: var(--w-medium);
  font-size: clamp(1.15rem, 2.5vw, 1.75rem);
  letter-spacing: var(--tracking-snug);
  color: var(--c-silver);
  max-width: 680px;
  margin: 0 auto;
  line-height: var(--leading-normal);
  opacity: 0;
  animation: fadeUp 1s 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.origin__scroll-hint {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.origin__scroll-line {
  width: 1px;
  height: 64px;
  background: var(--c-muted);
  display: block;
  position: relative;
  overflow: hidden;
}

.origin__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--c-platinum);
  animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%   { top: -100%; }
  100% { top: 200%; }
}


/* ═══════════════════════════════════════════
   MIND — 认知三维度
   ═══════════════════════════════════════════ */
.mind {
  position: relative;
  z-index: 5;
  padding: 6rem var(--side-pad) 12rem;
  background: linear-gradient(
    160deg,
    var(--c-deep) 0%,
    var(--c-stone) 25%,
    var(--c-granite) 50%,
    var(--c-stone) 75%,
    var(--c-deep) 100%
  );
}

.mind__header {
  margin-bottom: 6rem;
}

.mind__card {
  display: flex;
  align-items: center;
  gap: clamp(3rem, 5vw, 6rem);
  margin-bottom: 8rem;
  position: relative;
}

.mind__card:last-child {
  margin-bottom: 0;
}

.mind__card-visual {
  flex: 0 0 55%;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}

.mind__card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.6) saturate(0.8);
  transition: filter 0.6s ease, transform 0.6s ease;
}

.mind__card:hover .mind__card-visual img {
  filter: brightness(0.75) saturate(0.9);
  transform: scale(1.03);
}

/* Layout alternation */
.mind__card--think .mind__card-visual { order: 1; }
.mind__card--think .mind__card-text   { order: 2; }

.mind__card--create .mind__card-visual { order: 2; }
.mind__card--create .mind__card-text   { order: 1; text-align: right; }
.mind__card--create .mind__card-desc  { margin-left: auto; }

.mind__card--deploy .mind__card-visual { order: 1; }
.mind__card--deploy .mind__card-text   { order: 2; }

.mind__card-text {
  flex: 1;
  padding: clamp(2rem, 3vw, 3rem) 0;
}

.mind__card-label {
  font-family: var(--f-trobus);
  font-weight: var(--w-bold);
  font-size: clamp(1.5rem, 2.5vw, 2.5rem);
  letter-spacing: var(--tracking-snug);
  margin-bottom: 1.5rem;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mind__card-desc {
  font-family: var(--f-body);
  font-weight: var(--w-bold);
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  line-height: var(--leading-loose);
  color: var(--c-silver);
  max-width: 480px;
}

/* Mobile */
@media (max-width: 768px) {
  .mind {
    padding: 6rem var(--side-pad);
  }
  .mind__card {
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 5rem;
  }
  .mind__card-visual,
  .mind__card-text {
    order: unset !important;
    flex: none;
    width: 100%;
  }
  .mind__card-desc {
    max-width: 100%;
  }
}


/* ═══════════════════════════════════════════
   TRANSITIONS
   ═══════════════════════════════════════════ */

/* MIND → WORKS 引言条 */
.transition--mind-works {
  height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    170deg,
    var(--c-granite) 0%,
    var(--c-stone) 40%,
    var(--c-abyss) 100%
  );
  position: relative;
  padding: 0 var(--side-pad);
}

.transition__quote {
  font-family: var(--f-heading);
  font-weight: var(--w-light);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  letter-spacing: var(--tracking-snug);
  color: var(--c-dim);
  text-align: center;
  position: relative;
  z-index: 2;
  font-style: italic;
}

/* ═══════════════════════════════════════════
   MANIFEST — 视频宣言：上方旧文案→视频放大铺满全屏→下方短刀文案→自然进入CREED
   ═══════════════════════════════════════════ */

/* 容器 */
.manifest {
  position: relative;
  z-index: 2;
  background: linear-gradient(
    170deg,
    #000 0%,
    var(--c-abyss) 40%,
    #000 100%
  );
  padding: clamp(4rem, 8vh, 8rem) var(--side-pad) 0;
}

/* anchor — 包裹sticky视频和spacer
   spacer在内部，高度由JS设定
   sticky视频的粘性范围 = anchor总高度 - 视频高度 = spacer高度 */
.manifest__video-anchor {
  position: relative;
  z-index: 5; /* 高于CREED，放大时覆盖下方 */
  width: 100%;
}

/* 视频包裹 — sticky定位
   初始：960px宽居中，8px圆角
   滚动放大：JS设transform:scale() + transform-origin:center top
   顶边始终贴视口顶部，从顶边中心向下向两侧扩展 */
.manifest__video-wrap {
  position: sticky;
  top: 0;
  z-index: 5;
  width: 960px;
  max-width: 90vw;
  aspect-ratio: 16 / 9;
  margin: clamp(2rem, 4vh, 4rem) auto 0;
  border-radius: 8px;
  overflow: hidden;
  transform-origin: center top;
  /* will-change由JS在放大阶段临时添加 */
}

.manifest__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* spacer — 撑开滚动距离，高度由JS设定 */
.manifest__spacer {
  pointer-events: none;
}

/* 上方旧文案 — fixed叠加在视频上方空出区域
   默认隐藏，IntersectionObserver触发逐行淡入 */
.manifest__prose {
  text-align: center;
  padding: 0 var(--side-pad);
  padding-bottom: clamp(2rem, 4vh, 4rem);
}

.manifest__prose-line {
  font-family: var(--f-heading);
  font-weight: var(--w-medium);
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  letter-spacing: 0.08em;
  color: var(--c-moon);
  line-height: var(--leading-snug);
  margin-bottom: clamp(1rem, 2vh, 1.8rem);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.manifest__prose-line.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.manifest__prose-line:last-child {
  margin-bottom: 0;
}

.manifest__prose-line--final {
  font-weight: var(--w-bold);
  font-size: clamp(1.2rem, 1.6vw, 1.5rem);
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}

/* 下方短刀式文案 — fixed叠加在视频下方空出区域
   默认隐藏，进入视口时由JS加.is-active
   滚动逐行淡入，视频放大时整体淡出(.is-fading) */
.manifest__verse {
  text-align: center;
  padding: 0 var(--side-pad);
  padding-top: clamp(2rem, 4vh, 4rem);
  padding-bottom: clamp(2rem, 4vh, 4rem);
}

.manifest__verse-line {
  font-family: var(--f-heading);
  font-weight: var(--w-medium);
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  letter-spacing: 0.08em;
  color: var(--c-moon);
  line-height: var(--leading-snug);
  margin-bottom: clamp(1rem, 2vh, 1.8rem);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.manifest__verse-line.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.manifest__verse-line:last-child {
  margin-bottom: 0;
}

.manifest__verse-line--final {
  font-weight: var(--w-bold);
  font-size: clamp(1.2rem, 1.6vw, 1.5rem);
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}


/* ═══════════════════════════════════════════
   WORKS — 作品网格墙
   ═══════════════════════════════════════════ */
.works {
  position: relative;
  padding: clamp(4rem, 8vh, 8rem) var(--side-pad) clamp(2rem, 3vh, 3rem);
  background: linear-gradient(
    170deg,
    var(--c-void) 0%,
    var(--c-abyss) 25%,
    var(--c-ink) 60%,
    #000 100%
  );
  overflow: hidden;
}

.works__header {
  margin-bottom: clamp(3rem, 5vh, 5rem);
}

.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(0.75rem, 1.2vw, 1.25rem);
  max-width: 1400px;
  margin: 0 auto;
}

/* ── 网格布局：上3下2 ──
   Row1: EMERGE | AVATAR | PULSE
   Row2: MERGE(span2) | SIGNAL */
.works__item {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  cursor: default;
  perspective: 1000px;
  aspect-ratio: 3 / 4;
  /* 逐项入场动画 */
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.works__item--span2 {
  grid-column: span 2;
  aspect-ratio: 16 / 10;
}

.works__item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.works__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.works__item:hover img {
  transform: scale(1.04);
}

.works__item::after {
  content: attr(data-label);
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  font-family: var(--f-heading);
  font-weight: var(--w-medium);
  font-size: 0.8rem;
  letter-spacing: var(--tracking-loose);
  color: var(--c-moon);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 3;
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
}

.works__item:hover::after {
  opacity: 1;
  transform: translateY(0);
}

/* ── 响应式：中屏2列 ── */
@media (max-width: 900px) {
  .works__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .works__item--span2 {
    grid-column: span 2;
  }
}

/* ── 响应式：小屏1列 ── */
@media (max-width: 600px) {
  .works__grid {
    grid-template-columns: 1fr;
  }
  .works__item--span2 {
    grid-column: span 1;
    aspect-ratio: 3 / 4;
  }
}


/* ═══════════════════════════════════════════
   CREED — 宣言
   ═══════════════════════════════════════════ */
.creed {
  position: relative;
  z-index: 3;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(
    170deg,
    var(--c-void) 0%,
    var(--c-abyss) 30%,
    var(--c-stone) 55%,
    var(--c-abyss) 80%,
    var(--c-void) 100%
  );
}

.creed__glow {
  position: absolute;
  width: 100vw;
  height: 80vh;
  top: 10%;
  left: -10%;
  background: linear-gradient(
    145deg,
    transparent 20%,
    rgba(200, 175, 110, 0.04) 42%,
    rgba(190, 168, 105, 0.03) 55%,
    transparent 75%
  );
  transform: rotate(-15deg);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.creed__content {
  position: relative;
  z-index: 3;
  text-align: left;
  padding: 0 var(--side-pad);
  max-width: 960px;
}

/* 杂志引文容器 — 左竖线 + 大引号 */
.creed__quote {
  position: relative;
  padding-left: clamp(3rem, 5vw, 5rem);
  border-left: 2px solid #7CFC00;
  margin-top: clamp(3rem, 6vh, 5rem);
  margin-left: clamp(1.5rem, 3vw, 3rem);
}

/* 装饰性大引号 */
.creed__quote::before {
  content: '\201C';
  position: absolute;
  top: -0.3em;
  left: -0.6em;
  font-family: var(--f-heading);
  font-size: clamp(3.5rem, 7vw, 6rem);
  color: #7CFC00;
  line-height: 1;
  pointer-events: none;
  opacity: 0.4;
}

.creed__line {
  font-family: var(--f-heading);
  font-weight: var(--w-medium);
  font-style: italic;
  font-size: clamp(1.4rem, 2.8vw, 2.2rem);
  letter-spacing: var(--tracking-snug);
  color: var(--c-moon);
  line-height: var(--leading-snug);
  margin-bottom: clamp(1.8rem, 3vh, 2.8rem);
  opacity: 0;
  min-height: 1.4em; /* 防止空行塌缩 */
}

.creed__line:last-child {
  margin-bottom: 0;
}

/* 打字区域 */
.creed__typed {
  /* 文字由JS逐字填入 */
}

/* 打字光标 */
.creed__cursor {
  display: inline-block;
  color: #7CFC00;
  -webkit-text-fill-color: #7CFC00;
  font-style: normal;
  font-weight: 300;
  opacity: 0;
  animation: none;
  margin-left: 2px;
}

/* 光标闪烁 — 打字中 */
.creed__cursor.is-active {
  opacity: 1;
  animation: creedBlink 0.8s steps(1) infinite;
}

/* 打字完成但光标持续闪烁 — 仅最后一行 */
.creed__cursor.is-persistent {
  opacity: 1;
  animation: creedBlink 0.8s steps(1) infinite;
}

/* 非最后一行打完后光标消失 */
.creed__cursor.is-done {
  opacity: 0;
  animation: none;
}

@keyframes creedBlink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.creed__line--final {
  color: transparent;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: var(--w-bold);
  font-size: clamp(1.6rem, 3.2vw, 2.6rem);
}


/* ═══════════════════════════════════════════
   PORTAL — 连接
   ═══════════════════════════════════════════ */
.portal {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    165deg,
    var(--c-ink) 0%,
    var(--c-granite) 30%,
    var(--c-basalt) 55%,
    var(--c-granite) 80%,
    var(--c-deep) 100%
  );
  position: relative;
  overflow: hidden;
  padding: 8rem var(--side-pad);
}

.portal__glow {
  position: absolute;
  width: 80vw;
  height: 60vh;
  bottom: -15%;
  left: -5%;
  background: linear-gradient(
    140deg,
    transparent 30%,
    rgba(200, 175, 110, 0.04) 50%,
    transparent 70%
  );
  transform: rotate(12deg);
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
}

.portal__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
}

.section-title--portal {
  margin-bottom: 4rem;
  text-align: center;
}

.portal__grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.portal__row {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 1.2rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  text-decoration: none;
  color: inherit;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  text-align: left;
  transition: padding-left 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s ease;
  position: relative;
}

.portal__row:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.portal__row:hover {
  padding-left: 0.8rem;
  background: rgba(124, 252, 0, 0.03);
}

.portal__row:hover .portal__icon {
  color: #7CFC00;
}

.portal__row:hover .portal__value {
  color: var(--c-moon);
}

.portal__icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-dim);
  transition: color 0.3s ease;
}

.portal__icon svg {
  width: 20px;
  height: 20px;
}

.portal__value {
  font-family: var(--f-heading);
  font-weight: var(--w-medium);
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  color: var(--c-dim);
  letter-spacing: var(--tracking-normal);
  transition: color 0.3s ease;
}


/* ═══════════════════════════════════════════
   OMEGA — 页尾
   ═══════════════════════════════════════════ */
.omega {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 4rem var(--side-pad);
  background: var(--c-void);
  position: relative;
}

.omega__logo {
  height: clamp(50px, 6vw, 72px);
  width: auto;
  opacity: 0.4;
  margin-bottom: 0.5rem;
  transition: opacity 0.4s ease;
  filter: grayscale(0.3);
}

.omega:hover .omega__logo {
  opacity: 0.65;
}

.omega__mark {
  font-family: var(--f-body);
  font-weight: var(--w-regular);
  font-size: 0.875rem;
  letter-spacing: 0.3em;
  background: var(--grad-omega);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.omega__domain {
  font-family: var(--f-body);
  font-weight: var(--w-regular);
  font-size: 0.75rem;
  letter-spacing: var(--tracking-loose);
  color: var(--c-dim);
}


/* ═══════════════════════════════════════════
   TOAST
   ═══════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(24px);
  background: var(--c-ink);
  color: var(--c-moon);
  font-family: var(--f-heading);
  font-size: 0.9rem;
  font-weight: var(--w-medium);
  padding: 0.875rem 2rem;
  border-radius: 6px;
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 1000;
  pointer-events: none;
  border: 1px solid var(--c-steel);
  backdrop-filter: blur(10px);
}

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


/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .origin__title-ava {
    letter-spacing: 0.08em;
  }
  /* Lockup: logo上方 + 文字下方两行 */
  .origin__lockup {
    padding: 0 2rem;
  }
  .origin__lockup-text {
    flex: 0 0 auto;
  }
  .mind {
    padding: 6rem var(--side-pad);
  }
  .mind__header {
    margin-bottom: 3rem;
  }
  .mind__card {
    margin-bottom: 4rem;
    gap: 2rem;
  }
  .transition--mind-works {
    height: 25vh;
  }
  .creed__line {
    margin-bottom: clamp(1.2rem, 2.5vh, 2rem);
  }
  .manifest__prose-line,
  .manifest__verse-line {
    margin-bottom: clamp(1.5rem, 3vh, 2.5rem);
  }
  .manifest__prose-line {
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  }
  .portal {
    min-height: 60vh;
    padding: 5rem var(--side-pad);
  }
}

@media (max-width: 480px) {
  .section-title {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }
  .origin__title-ava {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }
}


/* ═══════════════════════════════════════════
   SELECTION
   ═══════════════════════════════════════════ */
::selection {
  background: rgba(154, 156, 176, 0.25);
  color: var(--c-moon);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--c-abyss);
}

::-webkit-scrollbar-thumb {
  background: var(--c-steel);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--c-dim);
}