/* CottonPack Blog — Sustainable design system */
:root{
  --sand:#f5f0e6;
  --cream:#faf7f0;
  --sage:#8a9a7b;
  --sage-dark:#5e6e52;
  --clay:#b87a4b;
  --clay-dark:#8a5631;
  --ink:#2b2a25;
  --ink-soft:#4b4a44;
  --line:#e3dccd;
  --max:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--cream);
  color:var(--ink);
  line-height:1.7;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--sage-dark);text-decoration:none;transition:color .2s}
a:hover{color:var(--clay)}

h1,h2,h3,h4{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-weight:500;
  color:var(--ink);
  line-height:1.2;
  letter-spacing:-.01em;
}
h1{font-size:clamp(2.4rem,5vw,3.8rem)}
h2{font-size:clamp(1.8rem,3.5vw,2.6rem);margin:2.5rem 0 1rem}
h3{font-size:1.5rem;margin:2rem 0 .8rem}
p{margin:0 0 1.1rem}

/* Header */
.site-header{
  background:var(--cream);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(8px);
  background:rgba(250,247,240,.92);
}
.nav{
  max-width:var(--max);margin:0 auto;
  padding:1.1rem 1.5rem;
  display:flex;align-items:center;justify-content:space-between;
  gap:1.5rem;flex-wrap:wrap;
}
.brand{
  font-family:'Cormorant Garamond',serif;
  font-size:1.6rem;font-weight:600;color:var(--sage-dark);
  letter-spacing:.02em;
}
.brand span{color:var(--clay)}
.nav-links{display:flex;gap:1.8rem;list-style:none;flex-wrap:wrap}
.nav-links a{
  color:var(--ink-soft);font-size:.92rem;
  text-transform:uppercase;letter-spacing:.12em;
}
.nav-links a:hover{color:var(--sage-dark)}

/* Hero */
.hero{
  position:relative;
  min-height:78vh;
  display:flex;align-items:center;
  background:linear-gradient(rgba(43,42,37,.35),rgba(43,42,37,.55)),
             url('images/hero.jpg') center/cover no-repeat;
  color:var(--cream);
  padding:6rem 1.5rem;
}
.hero-inner{max-width:var(--max);margin:0 auto;width:100%}
.eyebrow{
  display:inline-block;
  font-size:.78rem;letter-spacing:.25em;text-transform:uppercase;
  background:rgba(255,255,255,.15);
  padding:.5rem 1rem;border-radius:2rem;
  margin-bottom:1.5rem;
  border:1px solid rgba(255,255,255,.3);
}
.hero h1{color:var(--cream);max-width:780px;margin-bottom:1.2rem}
.hero p.lead{font-size:1.2rem;max-width:640px;opacity:.92}

/* Layout */
.container{max-width:var(--max);margin:0 auto;padding:0 1.5rem}
.section{padding:5rem 0}
.section-light{background:var(--sand)}

/* Intro */
.intro{
  max-width:780px;margin:0 auto;text-align:center;
}
.intro h2{margin-top:0}
.intro p{font-size:1.1rem;color:var(--ink-soft)}

/* Post grid */
.post-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:2.5rem;
  margin-top:3rem;
}
.post-card{
  background:var(--cream);
  border:1px solid var(--line);
  border-radius:6px;
  overflow:hidden;
  transition:transform .35s ease, box-shadow .35s ease;
  display:flex;flex-direction:column;
}
.post-card:hover{
  transform:translateY(-6px);
  box-shadow:0 18px 40px -20px rgba(43,42,37,.25);
}
.post-card .thumb{
  aspect-ratio:4/3;overflow:hidden;background:var(--sand);
}
.post-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .8s ease;
}
.post-card:hover .thumb img{transform:scale(1.05)}
.post-card .body{padding:1.6rem 1.6rem 1.8rem;display:flex;flex-direction:column;flex:1}
.cat{
  font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--clay);font-weight:600;margin-bottom:.6rem;
}
.post-card h3{margin:0 0 .7rem;font-size:1.45rem}
.post-card p{color:var(--ink-soft);font-size:.95rem;flex:1}
.read-more{
  margin-top:1rem;font-size:.85rem;
  letter-spacing:.15em;text-transform:uppercase;
  color:var(--sage-dark);font-weight:600;
}
.read-more::after{content:" →";transition:transform .2s}
.post-card:hover .read-more::after{margin-left:4px}

/* Article */
.article-hero{
  background:var(--sand);
  padding:4rem 1.5rem 3rem;
  border-bottom:1px solid var(--line);
}
.article-hero .container{max-width:780px}
.article-hero .cat{margin-bottom:1rem}
.article-hero h1{font-size:clamp(2rem,4.5vw,3.2rem);margin-bottom:1rem}
.meta{
  font-size:.85rem;color:var(--ink-soft);
  display:flex;gap:1.2rem;flex-wrap:wrap;
  padding-top:1rem;border-top:1px solid var(--line);margin-top:1.5rem;
}
.cover{
  max-width:var(--max);margin:0 auto;padding:0 1.5rem;
}
.cover img{
  width:100%;aspect-ratio:16/8;object-fit:cover;
  border-radius:4px;margin-top:-1px;
}
.article{
  max-width:760px;margin:0 auto;padding:3.5rem 1.5rem 5rem;
}
.article p{font-size:1.08rem;color:var(--ink-soft)}
.article h2{font-size:2rem;margin-top:3rem}
.article h3{margin-top:2.2rem}
.article ul,.article ol{margin:0 0 1.5rem 1.5rem;color:var(--ink-soft)}
.article li{margin-bottom:.5rem}
.article blockquote{
  border-left:3px solid var(--sage);
  padding:.5rem 0 .5rem 1.5rem;
  margin:2rem 0;
  font-family:'Cormorant Garamond',serif;
  font-size:1.4rem;font-style:italic;
  color:var(--ink);line-height:1.4;
}
.article strong{color:var(--ink)}
.callout{
  background:var(--sand);
  border-left:4px solid var(--clay);
  padding:1.5rem 1.7rem;border-radius:4px;
  margin:2rem 0;
}
.callout h4{
  font-family:'Cormorant Garamond',serif;font-size:1.3rem;
  margin-bottom:.5rem;color:var(--clay-dark);
}
.back-link{
  display:inline-block;margin-bottom:2rem;
  font-size:.85rem;letter-spacing:.15em;text-transform:uppercase;
  color:var(--sage-dark);
}

/* Footer */
.site-footer{
  background:#2b2a25;color:#cfc9bb;
  padding:3.5rem 1.5rem 2rem;margin-top:4rem;
}
.footer-inner{
  max-width:var(--max);margin:0 auto;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:2.5rem;
}
.footer-inner h4{
  color:var(--cream);font-size:1.2rem;margin-bottom:.8rem;
}
.footer-inner a{color:#cfc9bb}
.footer-inner a:hover{color:var(--clay)}
.footer-inner ul{list-style:none}
.footer-inner li{margin-bottom:.4rem;font-size:.92rem}
.copy{
  text-align:center;margin-top:2.5rem;
  padding-top:1.5rem;border-top:1px solid #3d3c36;
  font-size:.82rem;color:#8a877e;
}

/* CTA banner */
.cta{
  background:var(--sage);color:var(--cream);
  padding:4rem 1.5rem;text-align:center;
}
.cta h2{color:var(--cream);margin-top:0}
.cta p{font-size:1.1rem;max-width:600px;margin:0 auto 1.5rem;opacity:.95}
.btn{
  display:inline-block;
  background:var(--clay);color:var(--cream);
  padding:.95rem 2rem;border-radius:2rem;
  font-size:.9rem;letter-spacing:.15em;text-transform:uppercase;
  font-weight:600;transition:background .2s, transform .2s;
}
.btn:hover{background:var(--clay-dark);color:var(--cream);transform:translateY(-2px)}

/* Animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.fade{animation:fadeUp .8s ease both}

@media (max-width:640px){
  .nav{padding:.9rem 1rem}
  .nav-links{gap:1rem;font-size:.85rem}
  .hero{min-height:60vh;padding:4rem 1.2rem}
  .section{padding:3.5rem 0}
}