:root{--primary:#b8860b;--primary-dark:#8b6508;--bg:#fdfaf3;--text:#2c2416;--muted:#6b5d4a;--card:#fff;--border:#e8dcc4;--shadow:0 4px 14px rgba(139,101,8,.1)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',Tahoma,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--primary-dark);text-decoration:none}
a:hover{color:var(--primary)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Header */
header{background:#fff;box-shadow:var(--shadow);position:sticky;top:0;z-index:100}
.topbar{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:8px 0;font-size:14px;text-align:center}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:12px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:60px;width:auto}
.brand-text{font-size:22px;font-weight:700;color:var(--primary-dark)}
.brand-text span{display:block;font-size:12px;font-weight:400;color:var(--muted)}
nav ul{list-style:none;display:flex;gap:6px;flex-wrap:wrap}
nav a{padding:8px 14px;border-radius:6px;color:var(--text);font-weight:500;transition:.2s}
nav a:hover,nav a.active{background:var(--primary);color:#fff}
.menu-toggle{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--primary-dark)}
@media(max-width:860px){
  .menu-toggle{display:block}
  nav{position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:var(--shadow);display:none}
  nav.open{display:block}
  nav ul{flex-direction:column;padding:10px}
  nav a{display:block}
}
/* Hero */
.hero{background:linear-gradient(135deg,#fef3d4,#fdfaf3);padding:60px 0;text-align:center}
.hero h1{font-size:38px;color:var(--primary-dark);margin-bottom:12px}
.hero p{font-size:18px;color:var(--muted);max-width:700px;margin:0 auto}
.page-title{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:50px 0;text-align:center}
.page-title h1{font-size:32px}
.page-title p{opacity:.9;margin-top:8px}
/* Grid */
.grid{display:grid;gap:24px;padding:40px 0}
.grid-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(139,101,8,.18)}
.card .thumb{aspect-ratio:16/10;background:#f4ead2 center/cover;position:relative}
.card .thumb .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.25);color:#fff;font-size:48px;opacity:.85}
.card-body{padding:16px;flex:1;display:flex;flex-direction:column;gap:10px}
.card-body h3{font-size:17px;color:var(--primary-dark)}
.card-body p{color:var(--muted);font-size:14px;flex:1}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:6px;font-size:14px;font-weight:500;border:0;cursor:pointer;transition:.2s;background:var(--primary);color:#fff}
.btn:hover{background:var(--primary-dark);color:#fff}
.btn-outline{background:transparent;color:var(--primary-dark);border:1px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-sm{padding:6px 10px;font-size:13px}
/* Audio list */
.audio-list{padding:30px 0;display:flex;flex-direction:column;gap:12px}
.audio-item{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px 18px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.audio-item .name{flex:1;min-width:200px;font-weight:500}
.audio-item audio{flex:2;min-width:240px;max-width:100%}
/* Footer */
footer{background:#2c2416;color:#e8dcc4;padding:40px 0 20px;margin-top:60px}
footer .cols{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
footer h4{color:#fff;margin-bottom:12px}
footer a{color:#e8dcc4}
.socials{display:flex;gap:10px;margin-top:8px}
.socials a{width:36px;height:36px;border-radius:50%;background:var(--primary);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px}
.copyright{text-align:center;margin-top:24px;padding-top:18px;border-top:1px solid #443928;font-size:13px;color:#a89b82}
/* Detail page */
.detail{padding:40px 0;max-width:850px;margin:0 auto}
.detail img{border-radius:12px;margin-bottom:24px;box-shadow:var(--shadow)}
.detail h1{color:var(--primary-dark);margin-bottom:14px}
.detail p{margin-bottom:14px;color:var(--text)}
.back{display:inline-block;margin-bottom:20px}
/* Modal */
.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:200;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-content,.modal-inner{background:#000;max-width:960px;width:100%;border-radius:12px;overflow:hidden;position:relative}
.modal-close{position:absolute;top:10px;right:14px;background:#fff;border:0;width:36px;height:36px;border-radius:50%;font-size:20px;cursor:pointer;z-index:1;display:flex;align-items:center;justify-content:center;line-height:1}
.video-wrap{position:relative;padding-bottom:56.25%;height:0}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* 4 per row layout */
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1024px){.grid-4{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.grid-4{grid-template-columns:1fr}}
.btn-sm{padding:6px 10px;font-size:13px}
.videoPart .thumb{aspect-ratio:1/1}

/* Key Of Happiness details */
.koh-details{padding:30px 0 60px}
.koh-row h2{font-size:28px;color:var(--primary-dark);margin:20px 0 16px}
.koh-content{display:block;line-height:1.9;font-size:16px;color:var(--text)}
.koh-lead-img{max-width:500px;width:100%;float:left;margin:0 20px 16px 0;border-radius:8px}
.koh-text{text-align:justify}
.koh-text img{max-width:100%;border-radius:8px;margin:12px 0}
@media(max-width:760px){.koh-lead-img{float:none;margin:0 0 16px}}
.videoPart{text-decoration:none}
.ld-info{max-width:900px;margin:40px auto;padding:30px;background:var(--card,#fff);border-radius:12px;line-height:1.9;font-size:17px}
.ld-info .lead{margin:0 0 14px}