/* Brazil–China Green Bulletin — landing page
   Colours, type and spacing follow the Brand and Style Manual (v1.0). */
:root{
  --green:#2F5631;      /* primary green: all live green text, backgrounds, rules */
  --card:#FFFFFF;
  --page:#E9E9E1;       /* page background */
  --panel:#EAEEF7;      /* contents panel */
  --text:#2B2B26;       /* body text */
  --link:#002068;       /* link blue */
  --label:#6E5A26;      /* item label bronze */
  --muted:#5C5C52;      /* secondary link */
  --divider:#D9D9CF;
  --cta:#C7B37E; --cta-text:#151512;
  --f-accent:#DBC69C; --f-body:#E7EAE3; --f-legal:#DDE7DE; --f-link:#EFE5CE;
  --font:Arial, Helvetica, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Heiti SC", "Noto Sans SC", SimSun, sans-serif;
  color-scheme: light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page);color:var(--text);font:15px/25px var(--font);-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--link)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--cta);outline-offset:2px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:10}

/* ---------- Top bar / menu ----------
   Reversed (white) lockup on the primary green — manual 2.2. Menu text: Arial, uppercase, 13px, 1.4px tracking (version-bar style). */
.topbar{position:sticky;top:0;z-index:20;background:var(--green);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.08)}
.topbar__in{max-width:1180px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:28px}
.brand{display:block;flex:none;line-height:0}
.brand img{height:52px;width:auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:28px}
.menu{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.menu a{white-space:nowrap;color:#fff;text-decoration:none;font-size:13px;line-height:20px;letter-spacing:1.4px;text-transform:uppercase;padding:6px 0;border-bottom:2px solid transparent}
.menu a:hover{border-bottom-color:var(--cta)}
.menu .menu__cta a{background:var(--cta);color:var(--cta-text);font-weight:bold;letter-spacing:1px;padding:10px 20px;border:0}
.menu .menu__cta a:hover{background:#b9a46b}
.lang{display:flex;align-items:center;border:1px solid rgba(255,255,255,.45)}
.lang a{white-space:nowrap;color:#fff;text-decoration:none;font-size:12px;line-height:18px;letter-spacing:1.2px;padding:6px 10px}
.lang a+a{border-left:1px solid rgba(255,255,255,.45)}
.lang a[aria-current="true"]{background:#fff;color:var(--green);font-weight:bold}
.lang a:not([aria-current="true"]):hover{background:rgba(255,255,255,.12)}

/* ---------- Header (model 1: panorama) ----------
   Title set as live text in the bilingual "text form" of the footer lockup (manual 7.8), Arial stack, primary green only. */
.hero{background:var(--green)}
.hero__band{position:relative;background:#ECECE3;text-align:center;padding:clamp(70px,8vw,120px) 24px 8px;overflow:hidden}
.hero__wave{position:absolute;top:-1px;left:0;width:100%;height:clamp(36px,5vw,80px);display:block}
.hero__title{position:relative;margin:0;color:var(--green);font-size:clamp(32px,4.6vw,58px);line-height:1.1;font-weight:bold;letter-spacing:-.2px}
.hero__cn{display:block;margin-top:10px;font-size:clamp(20px,2.4vw,30px);line-height:1.3;font-weight:normal;letter-spacing:2px}
.hero__tag{position:relative;margin:18px auto 0;max-width:640px;color:var(--text);font-size:clamp(16px,1.5vw,19px);line-height:1.6}
.hero__horizon{display:block;width:100%;height:24.2vw;min-height:110px;background:#ECECE3 url(/assets/horizon.png) center bottom/cover no-repeat}
.hero__base{height:28px;background:var(--green)}

/* ---------- Main card ---------- */
main{max-width:1040px;margin:0 auto;padding:0 24px}
.card{background:var(--card);margin:40px auto 0;max-width:760px}
.section-rule{border:0;border-top:3px solid var(--green);margin:0}
.section-head{padding:30px 48px 8px}
.section-title{margin:0;color:var(--green);font-size:26px;line-height:32px;font-weight:bold}
.section-sub{margin:2px 0 0;color:var(--green);font-size:15px;line-height:24px}
.section-body{padding:14px 48px 36px}

.issue-meta{margin:0 0 16px}
.issue-label{display:block;color:var(--label);font-size:12px;font-weight:bold;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:8px}
.issue-title{margin:0;color:var(--green);font-size:20px;line-height:27px;font-weight:bold}
.issue-title a{color:inherit;text-decoration:none}
.issue-title a:hover{text-decoration:underline}

.preview{position:relative;height:720px;overflow:hidden;border:1px solid var(--divider);background:var(--page)}
.preview iframe{width:100%;height:2400px;border:0;display:block;background:#fff}
.preview::after{content:"";position:absolute;left:0;right:0;bottom:0;height:200px;background:linear-gradient(rgba(255,255,255,0),#fff 85%);pointer-events:none}
.preview__cta{position:absolute;left:0;right:0;bottom:24px;text-align:center;z-index:1}
.preview__empty{padding:48px 24px;text-align:center;color:var(--muted);height:auto}
.preview.is-empty{height:auto}
.preview.is-empty::after{display:none}

.btn{display:inline-block;background:var(--cta);color:var(--cta-text);font:bold 15px/20px var(--font);letter-spacing:1px;text-transform:uppercase;text-decoration:none;padding:14px 34px;border:0;border-radius:0;cursor:pointer}
.btn:hover{background:#b9a46b}

/* ---------- Past issues ---------- */
.past{list-style:none;margin:0;padding:0}
.past li{padding:22px 0;border-top:1px solid var(--divider)}
.past li:first-child{border-top:0;padding-top:0}
.past .date{display:block;color:var(--green);font-size:12px;font-weight:bold;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:6px}
.past a{font-size:15px;line-height:23px}
.past__more{margin:24px 0 0;font-size:13px;line-height:20px}
.past__more a{color:var(--muted)}
.loading{color:var(--muted)}

/* ---------- Footer ---------- */
.site-footer{max-width:760px;margin:40px auto 0}
.footer-banner{display:block;background:var(--card);padding-top:24px}
.footer-banner img{width:100%}
.subscribe{background:var(--green);color:#fff}
.subscribe__in{padding:34px 48px;text-align:center}
.f-title{margin:0;font-size:20px;line-height:28px;font-weight:bold;color:#fff}
.f-title span{display:block;font-weight:normal;color:var(--f-accent)}
.f-lead{margin:6px auto 22px;max-width:520px;color:var(--f-body);font-size:14px;line-height:22px}
.form{max-width:504px;margin:0 auto;text-align:left}
.field{margin-bottom:14px}
.field label{display:block;color:#fff;font-size:13px;line-height:20px;letter-spacing:1px;text-transform:uppercase;margin-bottom:6px}
.field input{width:100%;font:15px/22px var(--font);padding:12px 14px;border:1px solid var(--f-legal);border-radius:0;background:#fff;color:var(--text)}
.form .btn{width:100%;margin-top:8px}
.hp{position:absolute;left:-5000px}
.legal{margin:24px 0 0;color:var(--f-legal);font-size:12px;line-height:19px;text-align:left}
.legal a{color:var(--f-link)}
.form-msg{margin:14px 0 0;min-height:22px;font-size:14px;line-height:22px;color:var(--f-accent)}
.form-msg.ok{color:#fff}

.organizers{background:var(--card)}
.organizers__in{padding:36px 24px 44px;text-align:center}
.organizers h2{margin:0 0 24px;color:var(--green);font-size:12px;line-height:18px;font-weight:bold;letter-spacing:1.6px;text-transform:uppercase}
.logos{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:24px 32px}
.logos img{height:48px;width:auto}
.logos .logo-omqq{height:64px}
.logos .logo-ipam{height:38px}
.logos .logo-text{font:bold 16px/20px var(--font);color:var(--green)}
.copy{color:var(--muted);font-size:12px;line-height:19px;text-align:center;padding:16px 24px 32px;margin:0}

@media (max-width:640px){
  .topbar__in{padding:10px 16px;gap:12px;flex-wrap:wrap}
  .brand img{height:40px}
  .nav{margin-left:0;width:100%;justify-content:space-between;gap:12px}
  .menu{gap:12px}
  .menu a{font-size:11px;letter-spacing:.6px}
  .menu .menu__cta a{padding:8px 10px}
  .lang a{padding:5px 6px;font-size:11px;letter-spacing:.6px}
  .hero__band{padding-top:56px}
  main{padding:0}
  .card{margin-top:0}
  .section-head{padding:26px 20px 8px}
  .section-body{padding:14px 20px 32px}
  .preview{height:520px}
  .subscribe__in{padding:30px 20px}
  .logos{gap:24px 28px}
  .logos img{height:44px}
  .logos .logo-omqq{height:58px}
  .logos .logo-ipam{height:34px}
  .site-footer{margin-top:0}
}