/* Legacy Blog × Nature — inspired by the structure of the previous Balya's Blog */
:root{
  --paper:#fbfdf9;
  --paper-2:#eff7ef;
  --ink:#203229;
  --muted:#718177;
  --line:rgba(32,50,41,.13);
  --accent:#4f9462;
  --card:#ffffff;
  --shadow:0 18px 46px rgba(45,92,61,.09);
  --radius:20px;
}

html[data-theme="dark"]{
  --paper:#112019;
  --paper-2:#172a21;
  --ink:#eef8f0;
  --muted:#a9beb0;
  --line:rgba(255,255,255,.12);
  --card:#15261e;
  --shadow:0 18px 46px rgba(0,0,0,.24);
}

body{
  background:
    radial-gradient(circle at 8% 6%,rgba(158,220,174,.12),transparent 24%),
    radial-gradient(circle at 92% 12%,rgba(183,225,241,.14),transparent 22%),
    var(--paper);
}

.site-header{
  background:color-mix(in srgb,var(--paper) 92%,transparent);
  border-bottom:1px solid var(--line);
}
.header-inner{height:74px}
.brand{gap:10px}
.brand-mark{
  width:34px;height:34px;border:0;border-radius:10px;
  background:linear-gradient(145deg,#dff2e2,#dceff5);
  color:#3f7950;font-weight:700;
}
.brand-copy{display:flex;flex-direction:column;line-height:1.05;gap:4px}
.brand-name{font-family:var(--serif);font-size:21px;font-weight:700}
.brand-tagline{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700}
.site-nav{gap:22px}
.site-nav>a{font-size:17px;font-weight:600}
.site-nav>a:after{background:var(--accent)}
.theme-toggle{background:var(--card)}

/* Masthead intentionally resembles a classic personal WordPress blog header. */
.legacy-masthead{padding:68px 0 34px;text-align:center}
.legacy-kicker{
  margin:0 0 8px;color:var(--accent);text-transform:uppercase;
  font-size:12.5px;letter-spacing:.18em;font-weight:800;
}
.legacy-masthead h1{
  margin:0;font:700 clamp(45.5px,6vw,74px)/1.02 var(--serif);
  letter-spacing:-.045em;color:var(--ink);
}
.legacy-tagline{
  margin:10px 0 0;font:italic 21px/1.5 var(--serif);color:var(--muted);
}

/* A quiet nature banner replaces the heavy modern landing-page hero. */
.nature-banner{height:270px;margin-bottom:62px}
.nature-frame{
  position:relative;width:100%;height:100%;overflow:hidden;border-radius:18px;
  background:linear-gradient(145deg,#dff3e3,#dceff5 58%,#fff7d7);
  box-shadow:var(--shadow);isolation:isolate;
}
.nature-layer{
  position:absolute;inset:0;background-position:center;background-size:cover;
  opacity:0;transform:scale(1.015);transition:opacity 1.15s ease,transform 10s ease;
}
.nature-layer.is-visible{opacity:1;transform:scale(1.055)}
.nature-overlay{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(90deg,rgba(12,43,29,.48),rgba(12,43,29,.04) 60%,rgba(12,43,29,.10));
}
.nature-banner-copy{
  position:absolute;z-index:4;left:32px;bottom:28px;max-width:520px;color:#fff;
}
.nature-banner-copy p{
  margin:13px 0 0;font:500 19.5px/1.55 var(--sans);text-shadow:0 2px 14px rgba(0,0,0,.28);
}
.nature-badge{
  display:inline-flex;background:rgba(255,255,255,.88);backdrop-filter:blur(10px);
  color:#28513a;border-radius:999px;padding:7px 11px;font-size:11.5px;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;box-shadow:0 7px 24px rgba(0,0,0,.12);
}

/* Old-blog inspired two-column reading layout. */
.classic-blog-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:64px;
  align-items:start;padding-bottom:110px;
}
.classic-feed{min-width:0}
.classic-post{
  padding:0 0 48px;margin:0 0 48px;border-bottom:1px solid var(--line);
}
.classic-post:last-child{margin-bottom:0}
.classic-meta{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:11px;
  color:var(--muted);font-size:13.5px;line-height:1.5;
}
.classic-meta a{color:var(--accent);font-weight:800}
.classic-post h2{
  margin:0 0 17px;font:700 clamp(34.5px,4vw,49.5px)/1.09 var(--serif);
  letter-spacing:-.035em;
}
.classic-post h2 a:hover{color:var(--accent)}
.classic-post-image{
  display:block;overflow:hidden;border-radius:15px;margin:22px 0;
  max-height:430px;background:var(--paper-2);box-shadow:0 10px 28px rgba(35,75,49,.07);
}
.classic-post-image img{
  width:100%;height:min(430px,52vw);object-fit:cover;transition:transform .45s ease;
}
.classic-post-image:hover img{transform:scale(1.02)}
.classic-excerpt{
  margin:0 0 18px;color:var(--muted);font:19.5px/1.82 var(--serif);
}
.classic-read-more{
  display:inline-flex;color:var(--accent);font-size:15px;font-weight:800;
  letter-spacing:.05em;text-transform:uppercase;
}
.classic-read-more:after{content:" →";margin-left:5px;transition:transform .2s ease}
.classic-read-more:hover:after{transform:translateX(3px)}
.classic-empty{
  border:1px dashed var(--line);border-radius:18px;padding:56px 34px;text-align:center;
  background:color-mix(in srgb,var(--card) 72%,transparent);
}
.classic-empty span{font-size:49.5px;color:var(--accent)}
.classic-empty h2{font:700 35px var(--serif);margin:8px 0}
.classic-empty p{margin:0;color:var(--muted)}

.classic-sidebar{position:sticky;top:104px}
.sidebar-widget{padding:0 0 28px;margin:0 0 28px;border-bottom:1px solid var(--line)}
.sidebar-widget:last-child{border-bottom:0}
.sidebar-widget h3{
  margin:0 0 16px;font:700 22px/1.2 var(--serif);letter-spacing:-.02em;
}
.sidebar-search{display:flex;gap:7px}
.sidebar-search input{
  min-width:0;flex:1;border:1px solid var(--line);background:var(--card);color:var(--ink);
  border-radius:10px;padding:10px 11px;outline:none;font-size:16px;
}
.sidebar-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,148,98,.10)}
.sidebar-search button{
  width:40px;border:0;border-radius:10px;background:var(--accent);color:#fff;cursor:pointer;
  font-weight:800;
}
.sidebar-list{list-style:none;margin:0;padding:0}
.sidebar-list li{padding:9px 0;border-bottom:1px dotted var(--line);font-size:16px;line-height:1.5}
.sidebar-list li:last-child{border-bottom:0}
.sidebar-list a:hover{color:var(--accent)}
.sidebar-categories{display:flex;flex-wrap:wrap;gap:7px}
.sidebar-categories a{
  border:1px solid var(--line);background:var(--card);border-radius:999px;
  padding:6px 9px;font-size:13.5px;color:var(--muted);
}
.sidebar-categories a:hover{border-color:var(--accent);color:var(--accent)}
.sidebar-about{
  padding:20px;border:1px solid rgba(79,148,98,.14);border-radius:15px;
  background:linear-gradient(145deg,rgba(223,243,227,.62),rgba(220,239,245,.45));
}
html[data-theme="dark"] .sidebar-about{background:var(--paper-2)}
.sidebar-about p{margin:0;color:var(--muted);font-size:16px;line-height:1.75}

/* Keep inner pages calm and compatible with the legacy-inspired palette. */
.button-primary,.archive-search button{background:var(--accent);color:#fff}
.eyebrow,.prose a{color:var(--accent)}
.media-placeholder{background:linear-gradient(145deg,#e8f5ea,#dceff5 55%,#fff8d8);color:#5f9870}
.article-cover,.post-card-media,.featured-media{box-shadow:0 12px 34px rgba(38,88,57,.07)}
.site-footer{background:color-mix(in srgb,var(--paper-2) 52%,transparent)}
.footer-brand{font-size:32.5px}
.footer-bottom{text-transform:none;letter-spacing:0;font-size:13.5px}

@media(max-width:900px){
  .classic-blog-layout{grid-template-columns:1fr;gap:48px}
  .classic-sidebar{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .sidebar-widget{margin:0}
  .nature-banner{height:245px;margin-bottom:48px}
}

@media(max-width:620px){
  .header-inner{height:68px}
  .brand-name{font-size:18.5px}.brand-tagline{font-size:10.5px}
  .legacy-masthead{padding:48px 0 26px;text-align:left}
  .legacy-masthead h1{font-size:47.5px}
  .legacy-tagline{font-size:18.5px}
  .nature-banner{height:225px;margin-bottom:40px}
  .nature-frame{border-radius:14px}
  .nature-banner-copy{left:18px;right:18px;bottom:18px}
  .nature-banner-copy p{font-size:16px;line-height:1.5}
  .classic-post{padding-bottom:38px;margin-bottom:38px}
  .classic-post h2{font-size:35px}
  .classic-excerpt{font-size:18.5px}
  .classic-post-image img{height:260px}
  .classic-sidebar{grid-template-columns:1fr}
}

@media(prefers-reduced-motion:reduce){
  .nature-layer{transition:opacity .2s ease;transform:none}
  .nature-layer.is-visible{transform:none}
}