/* JCHRLab — design tokens */
:root {
  --ink: #1c2230;
  --ink-soft: #3a4356;
  --paper: #f6f5f2;
  --paper-card: #ffffff;
  --border: #e3e1db;
  --text: #23283a;
  --text-secondary: #656d80;
  --accent-decide: #b3651b;   /* 決策向：琥珀銅色 — 給老闆/HR主管的判斷內容 */
  --accent-decide-soft: #f3e3d1;
  --accent-op: #2b6b66;       /* 操作向：深鼠尾草綠 — 給HR從業的實戰內容 */
  --accent-op-soft: #dcebe8;
  --radius: 14px;
  --font-display: ui-serif, Georgia, "Noto Serif TC", "PingFang TC", serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef0f6;
    --ink-soft: #c7ccdb;
    --paper: #12141c;
    --paper-card: #1b1f2a;
    --border: #2a2f3d;
    --text: #e7e9f0;
    --text-secondary: #98a0b3;
    --accent-decide: #e0a25c;
    --accent-decide-soft: #3a2e1c;
    --accent-op: #5aa79f;
    --accent-op-soft: #1c3230;
  }
}
:root[data-theme="dark"] {
  --ink: #eef0f6; --ink-soft: #c7ccdb; --paper: #12141c; --paper-card: #1b1f2a; --border: #2a2f3d;
  --text: #e7e9f0; --text-secondary: #98a0b3; --accent-decide: #e0a25c; --accent-decide-soft: #3a2e1c;
  --accent-op: #5aa79f; --accent-op-soft: #1c3230;
}
:root[data-theme="light"] {
  --ink: #1c2230; --ink-soft: #3a4356; --paper: #f6f5f2; --paper-card: #ffffff; --border: #e3e1db;
  --text: #23283a; --text-secondary: #656d80; --accent-decide: #b3651b; --accent-decide-soft: #f3e3d1;
  --accent-op: #2b6b66; --accent-op-soft: #dcebe8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Noto Sans TC", Roboto, sans-serif;
  background: var(--paper);
  color: var(--text);
  line-height: 1.7;
  font-variant-numeric: tabular-nums;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--font-display); color: var(--ink); line-height: 1.3; text-wrap: balance; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); font-weight: 600; margin: 0 0 .7rem; }
h2 { font-size: 1.6rem; font-weight: 600; margin: 2.4rem 0 .9rem; }
h3 { font-size: 1.2rem; font-weight: 650; margin: 1.4rem 0 .5rem; }
p { max-width: 68ch; }
a { color: var(--accent-op); }
:root[data-theme="dark"] a, .site-header a { text-decoration: none; }

@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
  .reveal.is-visible { opacity: 1; transform: translateY(0); }
}

/* header / nav */
.site-header { border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 20; }
.nav-container { max-width: 1120px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: .9rem 1.25rem; position: relative; }
.nav-logo { display: flex; align-items: center; gap: .55rem; text-decoration: none; }
.nav-mark { width: 32px; height: 32px; border-radius: 9px; background: linear-gradient(135deg, var(--accent-decide), var(--accent-op)); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: .82rem; flex: none; font-family: var(--font-display); }
.nav-brand { font-weight: 700; color: var(--ink); font-size: 1.05rem; font-family: var(--font-display); }
.nav-brand-sub { display: block; font-size: .66rem; color: var(--text-secondary); font-weight: 500; letter-spacing: .02em; font-family: -apple-system, sans-serif; }
.nav-links { display: flex; gap: 1.6rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { position: relative; color: var(--text); font-weight: 600; font-size: .92rem; padding-bottom: 3px; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -1px; height: 2px; background: var(--accent-op); transition: right .25s ease; }
.nav-links a:hover::after, .nav-links a.active::after { right: 0; }
.nav-links a:hover, .nav-links a.active { color: var(--accent-op); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.4rem; color: var(--text); cursor: pointer; }
.theme-toggle { background: none; border: 1px solid var(--border); border-radius: 8px; width: 34px; height: 34px; cursor: pointer; color: var(--text); font-size: 1rem; transition: transform .3s ease; }
.theme-toggle:hover { transform: rotate(20deg); }

main { max-width: 1120px; margin: 0 auto; padding: 0 1.25rem; }

/* hero */
.hero { position: relative; padding: 4.5rem 0 3rem; max-width: 800px; isolation: isolate; }
.hero::before {
  content: ""; position: absolute; top: -8rem; left: -12rem; width: 40rem; height: 40rem; z-index: -1;
  background: radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--accent-decide) 26%, transparent), transparent 60%),
              radial-gradient(circle at 70% 60%, color-mix(in srgb, var(--accent-op) 22%, transparent), transparent 60%);
  filter: blur(10px);
  animation: driftGlow 16s ease-in-out infinite alternate;
}
@keyframes driftGlow { from { transform: translate(0,0) scale(1); } to { transform: translate(4%, 6%) scale(1.08); } }
@media (prefers-reduced-motion: reduce) { .hero::before { animation: none; } }
.hero .eyebrow { display: inline-flex; align-items: center; gap: .5rem; font-size: .78rem; font-weight: 700; color: var(--accent-decide); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1rem; }
.hero .eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-decide); animation: pulseDot 2.2s ease-in-out infinite; }
@keyframes pulseDot { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.hero p.lede { font-size: 1.14rem; color: var(--text-secondary); max-width: 62ch; }
.hero-cta { display: flex; gap: .8rem; margin-top: 1.8rem; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: .45rem; padding: .8rem 1.4rem; border-radius: 10px; font-weight: 700; font-size: .95rem; text-decoration: none; border: 1px solid transparent; transition: transform .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-decide { background: var(--accent-decide); color: #fff; box-shadow: 0 6px 20px -8px color-mix(in srgb, var(--accent-decide) 70%, transparent); }
.btn-op { background: var(--accent-op); color: #fff; box-shadow: 0 6px 20px -8px color-mix(in srgb, var(--accent-op) 70%, transparent); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-quiz { background: var(--ink); color: var(--paper); }

/* featured trio (2 tracks + quiz) */
.tracks { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.2rem; margin: 2rem 0 2.8rem; }
@media (max-width: 900px) { .tracks { grid-template-columns: 1fr; } }
.track-card { background: var(--paper-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.6rem 1.7rem; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.track-card:hover { transform: translateY(-5px); box-shadow: 0 18px 34px -20px rgba(0,0,0,.28); }
.track-card.decide { border-top: 3px solid var(--accent-decide); }
.track-card.op { border-top: 3px solid var(--accent-op); }
.track-card.quiz-card { border-top: 3px solid var(--ink); background: linear-gradient(160deg, color-mix(in srgb, var(--accent-decide) 8%, var(--paper-card)), color-mix(in srgb, var(--accent-op) 8%, var(--paper-card))); }
.track-tag { display: inline-block; font-size: .72rem; font-weight: 800; letter-spacing: .04em; padding: .28rem .65rem; border-radius: 100px; margin-bottom: .8rem; }
.track-tag.decide { background: var(--accent-decide-soft); color: var(--accent-decide); }
.track-tag.op { background: var(--accent-op-soft); color: var(--accent-op); }
.track-tag.quiz { background: var(--ink); color: var(--paper); }
.track-card h3 { margin-top: 0; }
.track-card ul { padding-left: 1.1rem; margin: .8rem 0 0; font-size: .92rem; color: var(--text-secondary); }
.track-card li { margin-bottom: .5rem; }
.track-card li a { color: var(--text); font-weight: 600; }
.track-card li.soon { color: var(--text-secondary); }
.track-card .card-cta { display: inline-block; margin-top: 1rem; font-weight: 700; font-size: .88rem; }

/* content map */
.content-map { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; margin: 1.6rem 0 2.4rem; }
.map-cluster { border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem 1.3rem; background: var(--paper-card); }
.map-cluster h4 { margin: 0 0 .6rem; font-size: .95rem; font-weight: 800; color: var(--ink); font-family: var(--font-display); }
.map-cluster ul { list-style: none; margin: 0; padding: 0; font-size: .87rem; color: var(--text-secondary); }
.map-cluster li { padding: .4rem 0; border-top: 1px dashed var(--border); }
.map-cluster li:first-child { border-top: 0; }
.map-cluster li a { color: var(--text); font-weight: 600; }
.status-pill { font-size: .66rem; font-weight: 700; padding: .12rem .5rem; border-radius: 100px; margin-left: .4rem; vertical-align: middle; }
.status-pill.live { background: var(--accent-op-soft); color: var(--accent-op); }
.status-pill.soon { background: var(--border); color: var(--text-secondary); }

/* credential stats */
.stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 2rem 0 2.6rem; }
@media (max-width: 640px) { .stats-row { grid-template-columns: 1fr; } }
.stat-box { border: 1px solid var(--border); border-radius: var(--radius); padding: 1.3rem 1.4rem; background: var(--paper-card); }
.stat-box .num { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; color: var(--ink); display: block; }
.stat-box .label { font-size: .85rem; color: var(--text-secondary); }

/* problem framing (two-column contrast) */
.contrast-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin: 1.6rem 0 2.6rem; }
@media (max-width: 760px) { .contrast-grid { grid-template-columns: 1fr; } }
.contrast-card { border-radius: var(--radius); padding: 1.6rem 1.7rem; }
.contrast-card.bad { background: color-mix(in srgb, var(--text-secondary) 8%, var(--paper-card)); border: 1px dashed var(--border); }
.contrast-card.good { background: linear-gradient(160deg, var(--accent-decide-soft), var(--accent-op-soft)); border: 1px solid var(--border); }
.contrast-card h3 { margin-top: 0; }
.contrast-card ul { padding-left: 1.2rem; font-size: .92rem; color: var(--text-secondary); margin: .7rem 0 0; }
.contrast-card li { margin-bottom: .5rem; }

/* process steps */
.steps-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin: 1.8rem 0 2.6rem; counter-reset: step; }
@media (max-width: 760px) { .steps-row { grid-template-columns: 1fr; } }
.step-item { position: relative; padding-top: .5rem; }
.step-item .step-num { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: color-mix(in srgb, var(--accent-op) 55%, var(--text-secondary) 15%); line-height: 1; opacity: .55; }
.step-item h3 { margin: .3rem 0 .5rem; }
.step-item p { font-size: .92rem; color: var(--text-secondary); }
.step-item a.step-link { font-weight: 700; font-size: .88rem; }

/* FAQ accordion — numbered, animated, alternating accent */
.faq-list { display: grid; gap: .9rem; margin: 1.8rem 0 2.6rem; }
.faq-item {
  position: relative; display: grid; grid-template-rows: auto 0fr; transition: grid-template-rows .4s cubic-bezier(.4,0,.2,1), border-color .3s ease, box-shadow .3s ease;
  background: var(--paper-card); border: 1px solid var(--border); border-left: 3px solid transparent; border-radius: var(--radius);
  padding: 0 1.4rem 0 3.6rem;
}
.faq-item:nth-of-type(odd) { --faq-accent: var(--accent-decide); }
.faq-item:nth-of-type(even) { --faq-accent: var(--accent-op); }
.faq-item[open] { border-left-color: var(--faq-accent); box-shadow: 0 10px 26px -18px rgba(0,0,0,.3); }
.faq-item .faq-num {
  position: absolute; left: 1.2rem; top: 1.15rem; font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
  color: var(--faq-accent); opacity: .55; transition: opacity .3s ease;
}
.faq-item[open] .faq-num { opacity: 1; }
.faq-item summary {
  cursor: pointer; padding: 1.15rem 0; font-weight: 700; font-family: var(--font-display); font-size: 1.05rem; color: var(--ink);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 1.4rem; font-weight: 400; color: var(--faq-accent); transition: transform .3s ease; flex: none;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-answer { overflow: hidden; min-height: 0; }
.faq-item .faq-answer p { padding: 0 0 1.3rem; color: var(--text-secondary); font-size: .94rem; margin: 0; max-width: 60ch; }
.faq-item .faq-answer p a { color: var(--faq-accent); }

/* final CTA band */
.cta-band { border-radius: 20px; padding: 3rem 2rem; margin: 3rem 0; text-align: center; background: linear-gradient(135deg, color-mix(in srgb, var(--accent-decide) 16%, var(--paper-card)), color-mix(in srgb, var(--accent-op) 16%, var(--paper-card))); border: 1px solid var(--border); }
.cta-band h2 { margin-top: 0; }
.cta-band p { margin: 0 auto 1.4rem; max-width: 50ch; color: var(--text-secondary); }
.cta-band .hero-cta { justify-content: center; margin-top: 0; }

/* author strip */
.author-strip { display: flex; gap: 1.4rem; align-items: flex-start; background: var(--paper-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem 1.7rem; margin: 2.6rem 0; }
.author-strip img { width: 58px; height: 58px; border-radius: 50%; flex: none; background: var(--border); }
.author-strip .name { font-weight: 800; color: var(--ink); font-family: var(--font-display); }
.author-strip p { margin: .3rem 0 0; font-size: .92rem; color: var(--text-secondary); }
.author-strip a { font-weight: 700; }

/* article list / cards */
.article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.1rem; margin: 1.5rem 0; }
.article-card { background: var(--paper-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.3rem 1.4rem; text-decoration: none; display: block; transition: transform .25s ease, border-color .25s ease; }
.article-card:hover { border-color: var(--accent-op); transform: translateY(-3px); }
.article-card h3 { margin: .5rem 0 .4rem; font-size: 1.02rem; color: var(--ink); }
.article-card p { margin: 0; font-size: .86rem; color: var(--text-secondary); }

/* article page */
.page-content { padding: 2.2rem 0 3rem; max-width: 720px; }
.article-meta { color: var(--text-secondary); font-size: .88rem; margin: .5rem 0 1.6rem; display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.breadcrumb { font-size: .82rem; color: var(--text-secondary); padding: .9rem 0; }
.breadcrumb a { color: var(--text-secondary); }
blockquote { border-left: 3px solid var(--accent-op); margin: 1.2rem 0; padding: .3rem 1rem; color: var(--text-secondary); }

/* readiness quiz */
.quiz-shell { max-width: 640px; margin: 0 auto; padding: 2.4rem 0 4rem; }
.quiz-progress { height: 6px; background: var(--border); border-radius: 100px; overflow: hidden; margin-bottom: 2rem; }
.quiz-progress-bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent-decide), var(--accent-op)); transition: width .4s ease; }
.quiz-step { display: none; }
.quiz-step.active { display: block; animation: stepIn .4s ease; }
@keyframes stepIn { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: translateX(0); } }
.quiz-step h2 { margin-top: 0; }
.quiz-options { display: grid; gap: .7rem; margin-top: 1.2rem; }
.quiz-option { text-align: left; padding: 1rem 1.2rem; border: 1.5px solid var(--border); border-radius: 12px; background: var(--paper-card); cursor: pointer; font-size: .96rem; color: var(--text); font-family: inherit; transition: border-color .2s ease, background .2s ease, transform .15s ease; }
.quiz-option:hover { border-color: var(--accent-op); transform: translateX(3px); }
.quiz-option.selected { border-color: var(--accent-op); background: var(--accent-op-soft); font-weight: 700; }
.quiz-nav { display: flex; justify-content: space-between; margin-top: 1.6rem; }
.quiz-result { text-align: center; }
.quiz-score-ring { width: 160px; height: 160px; margin: 1.4rem auto; position: relative; }
.quiz-score-ring svg { transform: rotate(-90deg); }
.quiz-score-ring circle { fill: none; stroke-width: 10; }
.quiz-score-ring .bg { stroke: var(--border); }
.quiz-score-ring .fg { stroke: var(--accent-op); stroke-linecap: round; transition: stroke-dashoffset 1s ease; }
.quiz-score-num { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 2rem; font-weight: 800; font-family: var(--font-display); }
.quiz-tier { display: inline-block; font-weight: 800; padding: .35rem .9rem; border-radius: 100px; margin: .6rem 0 1rem; }
.quiz-recs { text-align: left; background: var(--paper-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.3rem 1.5rem; margin-top: 1.4rem; }
.quiz-recs li { margin-bottom: .6rem; }

/* footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 3rem; padding: 2rem 1.25rem 2.4rem; color: var(--text-secondary); font-size: .85rem; }
.footer-inner { max-width: 1120px; margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer-links { list-style: none; display: flex; gap: 1.2rem; padding: 0; margin: 0; }
.footer-links a { color: var(--text-secondary); }
.disclaimer { font-size: .78rem; color: var(--text-secondary); max-width: 1120px; margin: 0 auto 1rem; }

@media (max-width: 720px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--border); flex-direction: column; padding: .8rem 1.25rem; gap: .9rem; }
  .nav-toggle { display: block; }
}