/* HuOrgCology (HOC) — site-wide styles */

:root{
  --ink:#2c3232;
  --ink-soft:#5b6363;
  --brand-blue:#345283;
  --brand-blue-deep:#1c3050;
  --brand-teal:#1d8d8f;
  --brand-teal-bright:#4ac2c5;
  --paper:#f4f7f8;
  --surface:#ffffff;
  --surface-tier2:#eef6f6;
  --surface-tier3:#eef1f7;
  --line:#dbe3e6;
  --line-strong:#b9c6cb;
  --shadow: 0 1px 2px rgba(44,50,50,.06), 0 8px 24px rgba(44,50,50,.06);
  --radius: 6px;
  --maxw: 1160px;
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Public Sans","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Source Serif 4","Songti SC","STSong",serif;
  color:var(--ink);
  line-height:1.25;
  margin:0 0 .5em;
  text-wrap:balance;
}
p{ margin:0 0 1em; }
a{ color:var(--brand-blue); text-decoration:none; }
a:hover{ text-decoration:underline; }
img{ max-width:100%; display:block; }
.en{ color:var(--ink-soft); }

:focus-visible{ outline:2px solid var(--brand-teal-bright); outline-offset:2px; }

.skip-link{
  position:absolute; left:-9999px; top:0; background:var(--brand-blue); color:#fff;
  padding:10px 16px; z-index:1000; border-radius:0 0 6px 0;
}
.skip-link:focus{ left:0; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }

/* ---------- header / nav ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(244,247,248,.92); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; gap:20px; padding-top:12px; padding-bottom:12px; }
.brand{ display:flex; align-items:center; gap:10px; font-weight:700; font-size:1.05rem; color:var(--ink); }
.brand img{ height:32px; width:auto; }
.brand:hover{ text-decoration:none; }

.main-nav{ display:flex; align-items:center; gap:22px; }
.main-nav a{ color:var(--ink); font-size:.94rem; font-weight:500; }
.main-nav a:hover{ color:var(--brand-blue); text-decoration:none; }
.main-nav a.active{ color:var(--brand-blue); font-weight:600; }

.nav-actions{ display:flex; align-items:center; gap:14px; }
.lang-switch{
  font-family:"IBM Plex Mono",monospace; font-size:.78rem; border:1px solid var(--line-strong);
  border-radius:4px; padding:4px 10px; color:var(--ink-soft);
}
.lang-switch:hover{ border-color:var(--brand-blue); color:var(--brand-blue); text-decoration:none; }

.nav-toggle{ display:none; background:none; border:1px solid var(--line-strong); border-radius:5px; padding:7px 10px; cursor:pointer; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  display:block; width:20px; height:2px; background:var(--ink); position:relative; transition:.15s;
}
.nav-toggle span::before, .nav-toggle span::after{ content:""; position:absolute; left:0; }
.nav-toggle span::before{ top:-6px; } .nav-toggle span::after{ top:6px; }

@media (max-width: 860px){
  .nav-toggle{ display:block; }
  .main-nav{
    position:fixed; inset:60px 0 auto 0; background:var(--surface); border-bottom:1px solid var(--line);
    flex-direction:column; align-items:flex-start; gap:0; padding:8px 24px 18px;
    transform:translateY(-8px); opacity:0; pointer-events:none; transition:.15s;
  }
  .main-nav.open{ transform:translateY(0); opacity:1; pointer-events:auto; }
  .main-nav a{ width:100%; padding:11px 0; border-bottom:1px solid var(--line); }
}

/* ---------- buttons ---------- */
.btn{
  display:inline-block; padding:11px 22px; border-radius:5px; font-weight:600; font-size:.92rem;
  cursor:pointer; border:1px solid transparent;
}
.btn:hover{ text-decoration:none; }
.btn-primary{ background:var(--brand-teal-bright); color:#0d2b2c; }
.btn-primary:hover{ background:#3fb0b3; }
.btn-secondary{ background:transparent; border-color:var(--brand-blue); color:var(--brand-blue); }
.btn-secondary:hover{ background:var(--surface-tier3); }
.btn-on-dark{ background:transparent; border-color:rgba(255,255,255,.55); color:#fff; }
.btn-on-dark:hover{ background:rgba(255,255,255,.1); }
.btn-row{ display:flex; gap:12px; flex-wrap:wrap; }

/* ---------- hero ---------- */
.hero{
  background:linear-gradient(135deg, var(--brand-blue), var(--brand-blue-deep));
  color:#fff; padding:64px 0 56px;
}
.hero .eyebrow{ color:var(--brand-teal-bright); font-family:"IBM Plex Mono",monospace; font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; font-weight:600; }
.hero h1{ color:#fff; font-size:clamp(1.7rem,3.6vw,2.5rem); margin:12px 0 6px; max-width:22ch; }
.hero .en-head{ color:#d7e3f6; font-size:1.02rem; margin-bottom:16px; font-family:"Public Sans",sans-serif; }
.hero .sub{ color:#e6edf9; max-width:62ch; font-size:.98rem; margin-bottom:24px; }

/* ---------- sections ---------- */
section{ padding:52px 0; border-bottom:1px solid var(--line); }
section:last-of-type{ border-bottom:none; }
.section-label{ font-family:"IBM Plex Mono",monospace; font-size:.7rem; letter-spacing:.08em; text-transform:uppercase; color:var(--brand-teal); font-weight:600; }
.section-title{ font-size:clamp(1.3rem,2.6vw,1.7rem); margin-top:6px; }
.section-intro{ color:var(--ink-soft); max-width:70ch; margin-bottom:28px; }

.trust-bar{ display:flex; flex-wrap:wrap; gap:10px; justify-content:center; padding:18px 0; background:var(--surface-tier3); border-bottom:1px solid var(--line); }
.trust-chip{ font-size:.8rem; font-family:"IBM Plex Mono",monospace; background:var(--surface); border:1px solid var(--line); padding:5px 11px; border-radius:4px; color:var(--ink-soft); }

/* ---------- grids & cards ---------- */
.grid{ display:grid; gap:16px; }
.grid-2{ grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); }
.grid-3{ grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); }
.grid-4{ grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); }

.card{ border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); padding:18px 20px; box-shadow:var(--shadow); }
.card.accent-teal{ border-left:4px solid var(--brand-teal); }
.card.accent-blue{ border-left:4px solid var(--brand-blue); }
.card.featured{ border-color:var(--brand-teal); background:var(--surface-tier2); }
.card h3{ font-size:1rem; margin-bottom:2px; }
.card .en{ display:block; font-size:.78rem; margin-bottom:8px; }
.card p{ font-size:.87rem; color:var(--ink-soft); margin:0; }
.tag{ display:inline-block; margin-top:8px; font-family:"IBM Plex Mono",monospace; font-size:.64rem; letter-spacing:.04em; background:var(--brand-blue); color:#fff; padding:3px 8px; border-radius:3px; }

.why-list{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px; }
.why-item{ display:flex; gap:10px; align-items:flex-start; font-size:.9rem; }
.why-item .mark{ color:var(--brand-teal); font-weight:700; flex:none; }
.why-item .en{ display:block; font-size:.8rem; }

.support-list{ list-style:none; margin:12px 0 0; padding:0; display:flex; flex-direction:column; gap:6px; }
.support-list li{ font-size:.85rem; background:var(--surface-tier3); border:1px solid var(--line); border-radius:4px; padding:7px 11px; }
.support-list li .en{ display:block; font-size:.8rem; }

.process-steps{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:14px; }
.step-item{ display:flex; gap:14px; align-items:flex-start; }
.step-num{ flex:none; width:28px; height:28px; border-radius:50%; background:var(--brand-blue); color:#fff; display:flex; align-items:center; justify-content:center; font-family:"IBM Plex Mono",monospace; font-size:.8rem; font-weight:600; }
.step-item .body .en{ display:block; font-size:.82rem; }

.faq-list{ display:flex; flex-direction:column; gap:12px; }
.faq-item{ border:1px solid var(--line); border-radius:5px; padding:15px 18px; background:var(--surface); }
.faq-item .q{ font-weight:600; margin-bottom:6px; }
.faq-item .q .en{ display:block; font-weight:400; font-size:.82rem; color:var(--brand-teal); }
.faq-item .a{ font-size:.9rem; color:var(--ink-soft); }
.faq-item .a .en{ display:block; margin-top:3px; }

.quote-row{ display:flex; gap:14px; flex-wrap:wrap; }
.mini-quote{ flex:1 1 220px; background:var(--surface-tier2); border-radius:5px; padding:13px 15px; font-size:.85rem; font-style:italic; color:var(--ink-soft); border-left:3px solid var(--brand-teal-bright); }
.mini-quote cite{ display:block; margin-top:6px; font-style:normal; font-size:.78rem; color:var(--brand-blue); }

.inline-note{ border:1px solid var(--line); border-left:4px solid var(--brand-blue); background:var(--surface-tier2); border-radius:0 6px 6px 0; padding:13px 17px; font-size:.86rem; color:var(--ink-soft); margin-top:14px; }
.inline-note .en{ display:block; margin-top:6px; }

.journey-branches{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
@media (max-width:700px){ .journey-branches{ grid-template-columns:1fr; } }
.journey-branch{ border:1px solid var(--line); background:var(--surface-tier3); border-radius:5px; padding:13px 15px; font-size:.88rem; }
.journey-branch .zh{ display:block; font-weight:600; }
.journey-branch .en{ display:block; }

/* ---------- CTA panel ---------- */
.cta-panel{ background:var(--brand-blue-deep); color:#fff; text-align:center; padding:48px 24px; border-radius:8px; }
.cta-panel h2{ color:#fff; font-size:1.3rem; margin-bottom:8px; }
.cta-panel p{ color:#dbe6f5; max-width:52ch; margin:0 auto 20px; }

/* ---------- forms ---------- */
.field{ display:flex; flex-direction:column; gap:6px; margin-bottom:16px; }
.field label{ font-size:.86rem; font-weight:600; }
.field .en-label{ font-weight:400; color:var(--ink-soft); font-size:.8rem; }
.field input, .field select, .field textarea{
  font:inherit; padding:10px 12px; border:1px solid var(--line-strong); border-radius:5px; background:var(--surface); color:var(--ink);
}
.field textarea{ min-height:110px; resize:vertical; }
.form-status{ font-size:.88rem; margin-top:10px; padding:10px 14px; border-radius:5px; display:none; }
.form-status.ok{ display:block; background:var(--surface-tier2); color:var(--brand-teal); }
.form-status.err{ display:block; background:#f8ebe9; color:#a4433a; }

.contact-methods{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:14px; margin-bottom:32px; }
.contact-detail-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:14px; }
.contact-detail{ border:1px solid var(--line); border-radius:5px; padding:13px 15px; background:var(--surface); }
.contact-detail .k{ font-family:"IBM Plex Mono",monospace; font-size:.66rem; letter-spacing:.05em; text-transform:uppercase; color:var(--brand-teal); display:block; margin-bottom:4px; }

/* ---------- footer ---------- */
.site-footer{ background:var(--surface); border-top:1px solid var(--line); padding:40px 0 26px; font-size:.86rem; color:var(--ink-soft); }
.footer-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:24px; margin-bottom:24px; }
.footer-grid h4{ font-size:.85rem; color:var(--ink); margin-bottom:10px; }
.footer-grid a{ display:block; color:var(--ink-soft); font-size:.85rem; margin-bottom:6px; }
.footer-grid a:hover{ color:var(--brand-blue); }
.footer-disclaimer{ border-top:1px solid var(--line); padding-top:18px; font-size:.78rem; line-height:1.7; }
.footer-disclaimer .en{ display:block; margin-top:6px; }
.footer-bottom{ margin-top:16px; font-size:.78rem; }

.wechat-block{ display:flex; gap:16px; align-items:center; flex-wrap:wrap; }
.wechat-block img{ width:110px; height:auto; border:1px solid var(--line); border-radius:5px; }