/* article.css — Shared styles for all Baseline Earth articles */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#f6f3ed;--bg-white:#fdfcf9;--bg-card:#fff;--bg-accent:#eef2e8;
  --text:#2c3e2d;--text-dim:#6b7c6b;--text-bright:#1a2e1c;
  --green:#1a3c34;--green-light:#2d5e4a;--ochre:#c17817;--ochre-light:#e8a84c;
  --sage:#6b8f71;--rule:#d5cfc3;--rule-light:#e5e0d6;
  --font-display:'Fraunces',Georgia,serif;
  --font-body:'DM Sans',system-ui,sans-serif;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:18px;line-height:1.8;-webkit-font-smoothing:antialiased}
::selection{background:var(--ochre-light);color:var(--text-bright)}
a{color:var(--green-light);text-decoration:none;transition:color .2s}
a:hover{color:var(--ochre)}

/* Nav */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--green);border-bottom:3px solid var(--ochre)}
.nav-inner{max-width:1140px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 2rem}
.nav-inner .logo{font-family:var(--font-display);font-size:1.25rem;font-weight:900;color:#fff}
.nav-inner .logo span{color:var(--ochre-light)}
.nav-inner .logo a{color:inherit;display:flex;align-items:center;gap:7px}
.nav-inner .logo img{width:36px;height:36px;border-radius:50%}
.nav-inner ul{list-style:none;display:flex;gap:1.5rem;align-items:center}
.nav-inner ul li a{font-size:.68rem;font-weight:600;color:rgba(255,255,255,.5);text-transform:uppercase;letter-spacing:.1em;padding:.5rem 0;transition:color .2s}
.nav-inner ul li a:hover{color:#fff}
.hamburger{display:none;background:0 0;border:none;cursor:pointer;width:44px;height:44px;position:relative;-webkit-tap-highlight-color:transparent}
.hamburger span{display:block;width:20px;height:2px;background:#fff;position:absolute;left:12px;transition:all .3s}
.hamburger span:nth-child(1){top:14px}.hamburger span:nth-child(2){top:21px}.hamburger span:nth-child(3){top:28px}
nav.open .hamburger span:nth-child(1){transform:rotate(45deg);top:21px}
nav.open .hamburger span:nth-child(2){opacity:0}
nav.open .hamburger span:nth-child(3){transform:rotate(-45deg);top:21px}

/* Article header */
.article-header{padding:5.5rem 2rem 1.5rem;max-width:780px;margin:0 auto}
.category-tag{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:#fff;padding:.2rem .55rem;border-radius:2px;display:inline-block;margin-bottom:.75rem}
.cat-air{background:#639922}.cat-water{background:#378ADD}.cat-climate{background:var(--sage)}.cat-policy{background:var(--green)}.cat-myth{background:var(--ochre)}.cat-land{background:#8B6914}
.article-header h1{font-family:var(--font-display);font-size:clamp(2rem,5vw,2.8rem);font-weight:900;color:var(--text-bright);line-height:1.12;margin-bottom:.75rem}
.article-meta{font-size:.75rem;color:var(--text-dim);display:flex;gap:1.25rem;flex-wrap:wrap;margin-bottom:.75rem}
.article-meta strong{color:var(--green);font-weight:600}

/* TLDR — the answer card */
.tldr-card{max-width:780px;margin:0 auto;padding:0 2rem}
.tldr-card-inner{background:var(--green);border-radius:4px;padding:1.75rem 2rem;position:relative;overflow:hidden}
.tldr-card-inner::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--ochre)}
.tldr-card .tldr-label{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.18em;color:var(--ochre-light);margin:0 0 .5rem}
.tldr-card p{font-size:1.05rem;color:#fff;line-height:1.65;margin:0;font-weight:400}

/* Hero image */
.article-hero{max-width:780px;margin:1.5rem auto 0;padding:0 2rem}
.article-hero img{width:100%;border-radius:3px}
.article-hero figcaption,.article-hero .photo-credit{font-size:.7rem;color:var(--text-dim);margin-top:.4rem}

/* Share bar */
.share-bar{display:flex;align-items:center;gap:.6rem;margin-top:1rem}
.share-bar .share-label{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--text-dim)}
.share-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;border:1px solid var(--rule);background:var(--bg);color:var(--text-dim);transition:all .2s;cursor:pointer;text-decoration:none}
.share-btn:hover{background:var(--green);color:#fff;border-color:var(--green)}
.share-btn svg{width:15px;height:15px;fill:currentColor}
.share-bar-bottom{display:flex;align-items:center;gap:.6rem;padding:1.5rem 0;border-top:1px solid var(--rule-light);margin-top:2rem}
.share-bar-bottom .share-label{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--text-dim)}

/* Article body */
.article-body{max-width:700px;margin:0 auto;padding:2rem 2rem 3rem}
.article-body p{margin-bottom:1.4rem;font-size:1.02rem;line-height:1.8}
.article-body h2{font-family:var(--font-display);font-size:1.35rem;font-weight:700;color:var(--text-bright);margin:2.5rem 0 .75rem;line-height:1.25;padding-bottom:.4rem;border-bottom:1px solid var(--rule-light)}

/* Key fact box */
.key-fact{background:var(--bg-card);border:1px solid var(--rule-light);border-left:3px solid var(--sage);border-radius:0 4px 4px 0;padding:1.15rem 1.35rem;margin:1.5rem 0}
.key-fact .kf-label{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--sage);margin-bottom:.25rem}
.key-fact p{margin-bottom:0;font-size:.95rem;line-height:1.6}

/* Explainer box */
.explainer-box{background:var(--bg-white);border:2px solid var(--ochre-light);border-radius:4px;padding:1.35rem;margin:2rem 0}
.explainer-box .ex-label{font-family:var(--font-display);font-weight:700;font-size:1.05rem;color:var(--ochre);margin:0 0 .6rem}
.explainer-box p{font-size:.95rem;margin-bottom:.6rem;line-height:1.65}
.explainer-box p:last-child{margin-bottom:0}

/* What this means for you — the personal impact box */
.impact-box{background:var(--green);border-radius:4px;padding:1.5rem 1.75rem;margin:2.5rem 0;position:relative}
.impact-box::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--ochre)}
.impact-box .impact-label{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.18em;color:var(--ochre-light);margin:0 0 .4rem}
.impact-box p{font-size:1rem;color:#fff;line-height:1.6;margin:0}

/* Timeline */
.timeline{margin:2rem 0;padding:0;list-style:none}
.timeline li{padding:0 0 1.15rem 1.5rem;border-left:2px solid var(--rule);position:relative;font-size:.92rem;line-height:1.55}
.timeline li:last-child{padding-bottom:0;border-left-color:transparent}
.timeline li::before{content:'';position:absolute;left:-5px;top:6px;width:8px;height:8px;border-radius:50%;background:var(--sage)}
.timeline li strong{color:var(--text-bright)}

/* Status banner */
.status-banner{background:var(--ochre);color:#fff;border-radius:4px;padding:.85rem 1.25rem;margin:1.5rem 0;display:flex;align-items:center;gap:10px}
.status-banner .status-dot{width:8px;height:8px;border-radius:50%;background:#fff;animation:pulse 2s infinite;flex-shrink:0}
.status-banner p{margin:0;font-size:.85rem;font-weight:500}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* Verdict box (myth busters) */
.verdict-box{max-width:700px;margin:1.5rem auto 0;padding:0 2rem}
.verdict-box-inner{background:var(--green);border-radius:4px;padding:1.25rem 1.5rem;border-left:4px solid var(--ochre)}
.verdict-label{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--ochre-light);margin-bottom:.3rem}
.verdict-text{font-family:var(--font-display);font-weight:700;font-size:1.05rem;color:#fff;line-height:1.4}

/* Article figure */
.article-figure{margin:2rem 0;text-align:center}
.article-figure img{max-width:100%;height:auto;border-radius:4px}
.article-figure figcaption{font-size:.72rem;color:var(--text-dim);margin-top:.4rem;font-style:italic}

/* Source note */
.source-note{font-size:.82rem;color:var(--text-dim);border-top:1px solid var(--rule);padding-top:1.25rem;margin-top:2.5rem;line-height:1.6}

/* Back link */
.back-link{max-width:700px;margin:0 auto;padding:0 2rem 2.5rem}
.back-link a{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--ochre)}

/* Footer */
footer{background:var(--green);padding:2rem 2rem 1.5rem;text-align:center}
footer .footer-logo{font-family:var(--font-display);font-size:1.05rem;font-weight:900;color:#fff;margin-bottom:.3rem}
footer .footer-logo span{color:var(--ochre-light)}
footer p{font-size:.75rem;color:rgba(255,255,255,.4)}

/* Mobile */
@media(max-width:768px){
  .nav-inner ul{display:none}
  .hamburger{display:block}
  nav.open .nav-inner ul{display:flex;flex-direction:column;position:absolute;top:52px;left:0;right:0;background:var(--green);border-bottom:3px solid var(--ochre);padding:1rem 2rem;gap:.25rem;z-index:100}
  nav.open .nav-inner ul li a{display:block;padding:.65rem 0;font-size:.85rem}
  .article-header,.article-body,.back-link,.tldr-card,.article-hero{padding-left:1.25rem;padding-right:1.25rem}
  .article-header h1{font-size:1.75rem}
  .tldr-card-inner{padding:1.25rem 1.5rem}
}