:root {
  --bg: #f6f3ec;
  --surface: #fffdf8;
  --text: #17313c;
  --muted: #5c6f75;
  --accent: #0b8b79;
  --accent-2: #f2a56e;
  --border: #dbe6df;
  --shadow: 0 16px 36px rgba(20, 50, 60, 0.08);
  --radius: 20px;
  --max: 1140px;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:"Trebuchet MS","Segoe UI",sans-serif;
  color:var(--text);
  line-height:1.65;
  background:
    radial-gradient(circle at 10% 10%, rgba(11,139,121,.12), transparent 30%),
    radial-gradient(circle at 90% 0%, rgba(242,165,110,.15), transparent 30%),
    var(--bg);
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{width:min(100% - 2rem,var(--max));margin-inline:auto}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,253,248,.92);
  backdrop-filter: blur(12px);
  border-bottom:1px solid var(--border)
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0;gap:1rem}
.brand{display:flex;align-items:center;gap:.8rem;color:var(--text)}
.brand img{width:180px;height:auto}
.brand span,.brand .brand-copy{display:none}
.brand small{display:block;color:var(--muted);font-size:.84rem}
.nav-menu{display:flex;gap:.4rem;list-style:none;margin:0;padding:0}
.nav-menu a{padding:.55rem .85rem;border-radius:999px;font-weight:700;color:var(--text)}
.nav-menu a[aria-current="page"]{background:#dff0ea;color:#11414d}
.nav-toggle{display:none}
.breadcrumbs{margin:1rem 0;color:var(--muted);font-size:.92rem}
.hero,.card,.section-box,.site-footer{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:var(--radius)}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:1.2rem;padding:1.6rem}
.hero h1{font-size:clamp(2rem,3.8vw,3.9rem);line-height:1.12;margin:.2rem 0 1rem;font-family:Georgia,"Times New Roman",serif}
.lead{color:var(--muted)}
.badge{display:inline-block;background:#dff0ea;color:#11414d;padding:.35rem .7rem;border-radius:999px;font-weight:700;font-size:.86rem}
.error-code{
  margin:.35rem 0 .15rem;
  font-size:clamp(3rem,9vw,6rem);
  line-height:1;
  font-weight:800;
  color:var(--accent)
}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:.78rem 1rem;border-radius:999px;font-weight:700;border:1px solid transparent;min-height:44px}
.btn-primary{background:var(--accent);color:#fff}
.btn-secondary{background:#fff;border-color:var(--border);color:var(--text)}
.cta{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1rem}
.grid{display:grid;gap:1rem}
.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.posts-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{padding:1.1rem}
.post-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.post-card > a{display:block}
.post-card .post-thumb{
  width:100%;
  height:clamp(180px, 18vw, 260px);
  object-fit:cover;
  object-position:center;
  border-bottom:1px solid var(--border)
}
.post-card .post-body{padding:1rem 1.1rem 1.15rem}
.post-card h3{margin:.2rem 0 .5rem;font-size:1.08rem;line-height:1.35}
.post-card p{margin:0;color:var(--muted)}
.read-more{
  display:inline-block;
  margin-top:.7rem;
  font-weight:700
}
.article-toc h2{margin:0 0 .55rem;font-size:1.2rem}
.toc-list{margin:0;padding-left:1.1rem;display:grid;gap:.35rem}
.toc-list a{color:var(--text);text-decoration:none}
.toc-list a:hover{color:var(--accent);text-decoration:underline}
figure.card{padding:0;overflow:hidden}
figure.card img{
  width:100%;
  height:clamp(220px, 32vw, 520px);
  object-fit:cover;
  object-position:center;
  display:block
}
main section{margin:2rem 0}
h2{font-family:Georgia,"Times New Roman",serif;font-size:clamp(1.55rem,2.3vw,2.4rem);margin:0 0 .7rem}
label{display:grid;gap:.4rem;font-weight:700;margin-bottom:.7rem}
input,select,button{font:inherit}
input,select,textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius:12px;
  padding:.62rem .72rem;
  background:#fff;
  color:var(--text)
}
textarea{resize:vertical;min-height:130px}
ul{padding-left:1.1rem}
.site-footer{margin:3rem auto 1.5rem;padding:1.4rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:1rem}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:.45rem}
.subtle{color:var(--muted)}
@media (max-width:900px){
  .hero,.cards-2,.cards-3,.cards-4,.posts-grid,.footer-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  .nav-toggle{display:inline-flex;border:1px solid var(--border);background:#fff;border-radius:999px;padding:.55rem .85rem;font-weight:700}
  .primary-nav{display:none;position:absolute;top:100%;right:1rem;background:#fff;border:1px solid var(--border);border-radius:16px;padding:.8rem;box-shadow:var(--shadow)}
  .primary-nav.is-open{display:block}
  .nav-menu{flex-direction:column;min-width:180px}
}