@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@300;400;500;600;700&family=IBM+Plex+Sans+TC:wght@300;400;500;600;700&family=Noto+Serif+TC:wght@400;500;600&display=swap');

.imetta-about {
  --paper:        #FFFFFF;
  --paper-deep:   #FBFBFB;
  --paper-warm:   #F7F5F1;
  --ink:          #131117;
  --ink-soft:     #29333C;
  --ink-mute:     #687279;
  --ember:        #e8363c;
  --ember-deep:   #b92c3e;
  --rule:         rgba(19, 17, 23, 0.14);
  --rule-soft:    rgba(19, 17, 23, 0.06);
  --mono:    'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans:    'IBM Plex Sans TC', 'IBM Plex Mono', -apple-system, 'Helvetica Neue', sans-serif;
  --display: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0;
  padding: 0;
  margin: 0;
  overflow-x: hidden;
  position: relative;
}
.imetta-about * { box-sizing: border-box; }
.imetta-about .container { max-width: 1180px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }

.imetta-about .imetta-hero { padding: 110px 0 90px; border-bottom: 1px solid var(--rule); position: relative; }
.imetta-about .imetta-hero .eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--ember); font-weight: 500; margin-bottom: 28px; display: flex; align-items: center; gap: 14px; }
.imetta-about .imetta-hero .eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--ember); }
.imetta-about .imetta-hero h1 { font-family: var(--display); font-weight: 600; font-size: clamp(38px, 5.5vw, 72px); line-height: 1.05; letter-spacing: -0.02em; color: var(--ink); margin: 0 0 40px; max-width: 16ch; }
.imetta-about .imetta-hero h1 em { font-style: normal; color: var(--ember); font-weight: 600; }
.imetta-about .imetta-hero .lede { max-width: 600px; font-size: 17px; line-height: 1.75; color: var(--ink-soft); }
.imetta-about .imetta-hero .lede strong { color: var(--ink); font-weight: 600; }
.imetta-about .imetta-hero .meta { margin-top: 64px; display: flex; gap: 56px; flex-wrap: wrap; }
.imetta-about .imetta-hero .meta-item { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); }
.imetta-about .imetta-hero .meta-item strong { display: block; font-family: var(--mono); font-size: 22px; letter-spacing: -0.005em; color: var(--ink); text-transform: none; font-weight: 500; margin-top: 6px; }

.imetta-about .imetta-section { padding: 96px 0; border-bottom: 1px solid var(--rule); position: relative; }
.imetta-about .imetta-section .section-head { display: grid; grid-template-columns: 200px 1fr; gap: 64px; margin-bottom: 64px; align-items: baseline; }
.imetta-about .imetta-section .section-num { font-family: var(--mono); font-size: 12px; letter-spacing: 0.32em; color: var(--ember); font-weight: 500; padding-top: 12px; border-top: 1px solid var(--ember); width: fit-content; }
.imetta-about .imetta-section h2 { font-family: var(--display); font-weight: 600; font-size: clamp(28px, 4vw, 44px); line-height: 1.15; letter-spacing: -0.01em; color: var(--ink); margin: 0; max-width: 20ch; }
.imetta-about .imetta-section h2 em { font-style: normal; color: var(--ember); font-weight: 600; }

.imetta-about .business-grid { display: grid; grid-template-columns: 200px 1fr; gap: 64px; }
.imetta-about .business-body p { font-size: 16px; line-height: 1.85; color: var(--ink-soft); margin: 0 0 24px; max-width: 68ch; }
.imetta-about .business-body p.first { font-family: var(--sans); font-size: 19px; line-height: 1.65; color: var(--ink); font-weight: 500; margin-bottom: 32px; max-width: 38ch; }
.imetta-about .business-body p.first::first-letter { font-family: var(--display); font-size: 4em; float: left; line-height: 0.95; padding: 6px 12px 0 0; color: var(--ember); font-weight: 600; }
.imetta-about .business-body h3 { font-family: var(--mono); font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase; font-weight: 600; color: var(--ember); margin: 48px 0 20px; }
.imetta-about .audience-list { list-style: none; padding: 0; margin: 20px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 32px; }
.imetta-about .audience-list li { font-size: 15px; color: var(--ink-soft); padding-left: 22px; position: relative; line-height: 1.5; }
.imetta-about .audience-list li::before { content: ''; position: absolute; left: 0; top: 11px; width: 12px; height: 1px; background: var(--ember); }
.imetta-about .pull-quote { margin: 64px 0 0; padding: 48px 0; border-top: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); }
.imetta-about .pull-quote blockquote { margin: 0; font-family: var(--sans); font-style: normal; font-weight: 500; font-size: clamp(20px, 2.4vw, 26px); line-height: 1.5; color: var(--ink); letter-spacing: -0.005em; }
.imetta-about .pull-quote cite { display: block; margin-top: 20px; font-style: normal; font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); font-weight: 500; }

.imetta-about .team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 56px; }
.imetta-about .team-card { border-top: 1px solid var(--ink); padding-top: 28px; }
.imetta-about .team-card .photo { width: 180px; height: 180px; overflow: hidden; margin: 0 0 24px; background: var(--paper-warm); border-radius: 4px; position: relative; }
.imetta-about .team-card .photo img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block; transition: transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1); }
.imetta-about .team-card:hover .photo img { transform: scale(1.05); }
.imetta-about .team-card .role { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ember); font-weight: 500; margin-bottom: 12px; }
.imetta-about .team-card .name { font-family: var(--display); font-size: 28px; line-height: 1.1; font-weight: 600; color: var(--ink); margin: 0 0 4px; letter-spacing: -0.01em; }
.imetta-about .team-card .name-en { font-family: var(--sans); font-style: normal; font-size: 15px; color: var(--ink-mute); font-weight: 400; margin-bottom: 22px; }
.imetta-about .team-card .bio { font-size: 14.5px; line-height: 1.85; color: var(--ink-soft); margin: 0 0 24px; padding: 0 0 22px; border-bottom: 1px solid var(--rule-soft); }
.imetta-about .team-card .bio p { margin: 0 0 12px; }
.imetta-about .team-card .bio p:last-child { margin-bottom: 0; }
.imetta-about .team-card ul { list-style: none; padding: 0; margin: 0 0 24px; }
.imetta-about .team-card ul li { font-size: 14px; line-height: 1.65; color: var(--ink-soft); padding: 12px 0; border-bottom: 1px solid var(--rule-soft); }
.imetta-about .team-card ul li:last-child { border-bottom: none; }
.imetta-about .team-card .socials { display: flex; gap: 14px 24px; flex-wrap: wrap; }
.imetta-about .team-card .linkedin { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: 4px; transition: color 0.3s, border-color 0.3s; font-weight: 500; }
.imetta-about .team-card .linkedin:hover { color: var(--ember); border-color: var(--ember); }

.imetta-about .product-intro { display: grid; grid-template-columns: 200px 1fr; gap: 64px; margin-bottom: 64px; }
.imetta-about .product-intro p { font-family: var(--sans); font-size: 19px; line-height: 1.65; color: var(--ink); font-weight: 500; max-width: 42ch; margin: 0; }
.imetta-about .product-line { display: grid; grid-template-columns: 200px 1fr; gap: 64px; margin-bottom: 64px; }
.imetta-about .product-line h3 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--ink-mute); font-weight: 500; margin: 0; }
.imetta-about .product-items { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.imetta-about .product-item { padding: 28px 24px; background: var(--paper-deep); border: 1px solid var(--rule-soft); border-radius: 4px; transition: background 0.3s, border-color 0.3s, transform 0.3s; }
.imetta-about .product-item:hover { background: #fff; border-color: var(--ember); transform: translateY(-2px); }
.imetta-about .product-item .num { font-family: var(--mono); font-size: 12px; color: var(--ember); font-weight: 500; margin-bottom: 20px; letter-spacing: 0.05em; }
.imetta-about .product-item h4 { font-family: var(--display); font-size: 18px; font-weight: 600; color: var(--ink); margin: 0 0 10px; line-height: 1.3; letter-spacing: -0.005em; }
.imetta-about .product-item p { font-size: 13.5px; line-height: 1.65; color: var(--ink-soft); margin: 0; }

.imetta-about .features { display: grid; grid-template-columns: 200px 1fr; gap: 64px; margin-bottom: 64px; }
.imetta-about .features ul { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 48px; }
.imetta-about .features ul li { font-size: 15px; line-height: 1.55; color: var(--ink-soft); padding: 14px 0; border-bottom: 1px solid var(--rule-soft); break-inside: avoid; display: flex; gap: 12px; }
.imetta-about .features ul li::before { content: '+'; font-family: var(--mono); color: var(--ember); font-weight: 500; flex-shrink: 0; }

.imetta-about .lang-switch { position: absolute; top: 24px; right: 32px; z-index: 10; display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; }
.imetta-about .lang-switch button { background: transparent; border: 1px solid var(--rule); color: var(--ink-mute); padding: 8px 14px; cursor: pointer; font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; transition: color 180ms ease, border-color 180ms ease, background 180ms ease; border-radius: 2px; line-height: 1; min-width: 44px; }
.imetta-about .lang-switch button:hover { color: var(--ember); border-color: var(--ember); }
.imetta-about .lang-switch button.active { color: var(--paper); background: var(--ember); border-color: var(--ember); font-weight: 600; }
.imetta-about .lang-switch .sep { color: var(--ink-mute); font-size: 11px; }
.imetta-about[data-lang="zh"] .content-en { display: none; }
.imetta-about[data-lang="en"] .content-zh { display: none; }
.imetta-about > .container { position: relative; }

.imetta-about .features.modes .modes-body { min-width: 0; }
.imetta-about .features.modes .modes-intro { font-size: 14.5px; line-height: 1.7; color: var(--ink-soft); margin: 0 0 24px; max-width: 70ch; }
.imetta-about .features.modes .modes-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; counter-reset: none; }
.imetta-about .features.modes .modes-list li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: baseline; padding: 14px 0; border-bottom: 1px solid var(--rule-soft); font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); }
.imetta-about .features.modes .modes-list li::before { content: none; }
.imetta-about .features.modes .modes-list .mode-num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--ember); font-weight: 600; padding-top: 2px; }
.imetta-about .features.modes .modes-list strong { display: block; font-family: var(--display); font-size: 15px; font-weight: 600; color: var(--ink); letter-spacing: -0.005em; margin-bottom: 4px; }
.imetta-about .features.modes .modes-list strong:only-child { margin-bottom: 0; }
.imetta-about .features.modes .modes-list span:not(.mode-num) { display: block; font-size: 13.5px; line-height: 1.6; color: var(--ink-soft); }

.imetta-about .stage { display: grid; grid-template-columns: 200px 1fr; gap: 64px; margin-bottom: 64px; }
.imetta-about .stage-content .badge { display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--paper); background: var(--ember); padding: 7px 14px; margin-bottom: 28px; font-weight: 600; border-radius: 2px; }
.imetta-about .stage-content ul { list-style: none; padding: 0; margin: 0; }
.imetta-about .stage-content ul li { font-size: 15px; line-height: 1.55; color: var(--ink-soft); padding: 16px 0; border-bottom: 1px solid var(--rule-soft); display: flex; gap: 20px; align-items: baseline; }
.imetta-about .stage-content ul li:last-child { border-bottom: none; }
.imetta-about .stage-content ul li .marker { font-family: var(--mono); font-size: 11px; color: var(--ember); letter-spacing: 0.12em; width: 88px; flex-shrink: 0; font-weight: 600; text-transform: uppercase; }
.imetta-about .stage-content ul li a { color: var(--ember); text-decoration: none; border-bottom: 1px solid var(--ember); transition: color 180ms ease, border-color 180ms ease; }
.imetta-about .stage-content ul li a:hover { color: var(--ink); border-color: var(--ink); }

.imetta-about .roadmap { display: grid; grid-template-columns: 200px 1fr; gap: 64px; }
.imetta-about .roadmap-items { display: flex; flex-direction: column; gap: 0; }
.imetta-about .roadmap-item { display: grid; grid-template-columns: 56px 1fr; gap: 28px; padding: 28px 0; border-bottom: 1px solid var(--rule-soft); }
.imetta-about .roadmap-item:last-child { border-bottom: none; }
.imetta-about .roadmap-item .num { font-family: var(--mono); font-size: 22px; color: var(--ember); font-weight: 500; line-height: 1; }
.imetta-about .roadmap-item h4 { font-family: var(--display); font-size: 18px; font-weight: 600; color: var(--ink); margin: 0 0 8px; letter-spacing: -0.005em; }
.imetta-about .roadmap-item h4 em { font-style: normal; color: var(--ember); font-weight: 600; }
.imetta-about .roadmap-item p { font-size: 14.5px; line-height: 1.7; color: var(--ink-soft); margin: 0; max-width: 70ch; }
.imetta-about .roadmap-item.featured { background: var(--paper-deep); padding: 32px 28px; margin: 8px 0; border: 1px solid var(--rule); border-left: 3px solid var(--ember); border-radius: 4px; }
.imetta-about .roadmap-item.featured .num { font-weight: 600; }
.imetta-about .roadmap-item.featured ul { list-style: none; padding: 0; margin: 16px 0 0; }
.imetta-about .roadmap-item.featured ul li { font-size: 14px; line-height: 1.65; color: var(--ink-soft); padding: 8px 0 8px 18px; position: relative; border-bottom: 1px solid var(--rule-soft); }
.imetta-about .roadmap-item.featured ul li:last-child { border-bottom: none; }
.imetta-about .roadmap-item.featured ul li::before { content: '\25B8'; position: absolute; left: 0; top: 8px; color: var(--ember); font-size: 11px; }
.imetta-about .roadmap-item.featured ul li strong { color: var(--ink); font-weight: 600; }

.imetta-about .imetta-footer { padding: 64px 0 88px; text-align: center; }
.imetta-about .imetta-footer .mark { font-family: var(--display); font-size: 28px; letter-spacing: 0.04em; color: var(--ink); font-weight: 600; margin-bottom: 12px; }
.imetta-about .imetta-footer .tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--ink-mute); }

@keyframes imetta-rise { to { opacity: 1; transform: translateY(0); } }
.imetta-about .reveal { transition: opacity 1s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1s cubic-bezier(0.2, 0.8, 0.2, 1); }
.imetta-about.js-ready .reveal { opacity: 0; transform: translateY(24px); }
.imetta-about.js-ready .reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .imetta-about.js-ready .reveal { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .imetta-about .imetta-hero { padding: 64px 0 56px; }
  .imetta-about .imetta-section { padding: 64px 0; }
  .imetta-about .imetta-section .section-head,
  .imetta-about .business-grid,
  .imetta-about .product-intro,
  .imetta-about .product-line,
  .imetta-about .features,
  .imetta-about .stage,
  .imetta-about .roadmap { grid-template-columns: 1fr; gap: 28px; }
  .imetta-about .imetta-section .section-head { margin-bottom: 40px; }
  .imetta-about .team-grid { grid-template-columns: 1fr; gap: 48px; }
  .imetta-about .product-items { grid-template-columns: 1fr; }
  .imetta-about .audience-list { grid-template-columns: 1fr; }
  .imetta-about .features ul { columns: 1; }
  .imetta-about .features.modes .modes-list { grid-template-columns: 1fr; }
  .imetta-about .lang-switch { top: 16px; right: 16px; }
  .imetta-about .lang-switch button { padding: 6px 10px; min-width: 36px; }
  .imetta-about .imetta-hero .meta { gap: 24px; margin-top: 48px; }
  .imetta-about .team-card .photo { width: 140px; height: 140px; }
}