/* ==========================================================
   CELLA HƯƠNG PHƯỢNG — Blog cá nhân
   Bộ nhận diện: đen · vàng gold · rượu vang · giấy kem
   ========================================================== */
:root{
  --black:#000000;
  --charcoal:#1C1C1C;
  --charcoal-2:#2B2B2B;
  --gold:#C9A227;
  --gold-light:#D4AF37;
  --wine:#3B1F2B;
  --wine-2:#4A2233;
  --paper:#FFFFFF;
  --cream:#FAF7F2;
  --line:#E6E0D6;
  --ink:#242424;
  --body:#3A3A3A;
  --muted:#6E6A64;
  --serif:'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans:'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --wrap:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  font-weight:400;
  font-size:18px;
  line-height:1.85;
  color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  overflow-wrap:break-word;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- TOPBAR ---------- */
.topbar{background:var(--black);color:rgba(255,255,255,.78);font-size:14.5px;letter-spacing:.02em}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:46px}
.topbar a:hover{color:var(--gold-light)}
.tb-left{display:flex;gap:26px;align-items:center}
.tb-right{display:flex;gap:18px;align-items:center}
.tb-right a{font-size:13.5px;letter-spacing:.1em;text-transform:uppercase}
@media(max-width:900px){.tb-left span.hide-sm,.tb-right{display:none}.topbar .wrap{justify-content:center}}

/* ---------- HEADER ---------- */
header.site{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:82px;gap:20px}
.brand{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.brand img{height:46px;width:auto}
.brand .bt{line-height:1.15}
.brand .bt b{font-family:var(--serif);font-size:24px;font-weight:500;letter-spacing:.08em;color:var(--black);display:block;white-space:nowrap}
.brand .bt span{font-size:11px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase;white-space:nowrap}
nav.main{display:flex;gap:20px;align-items:center;flex:1 1 auto;justify-content:center}
nav.main > a,nav.main .drop > a{font-size:15px;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;font-weight:400;color:var(--charcoal);position:relative;padding:8px 0;display:inline-block}
nav.main > a::after,nav.main .drop > a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:width .3s}
nav.main > a:hover::after,nav.main .drop:hover > a::after{width:100%}
nav.main a.on{color:var(--gold)}
.drop{position:relative}
.drop-menu{position:absolute;left:50%;transform:translateX(-50%);top:100%;background:#fff;border:1px solid var(--line);min-width:290px;padding:10px 0;display:none;box-shadow:0 18px 44px rgba(0,0,0,.12)}
.drop:hover .drop-menu{display:block}
.drop-menu a{display:block;padding:11px 24px;font-size:16px;text-transform:none;letter-spacing:0;color:var(--body)}
.drop-menu a:hover{background:var(--cream);color:var(--gold)}
.btn{display:inline-block;padding:15px 30px;white-space:nowrap;font-size:15px;letter-spacing:.12em;text-transform:uppercase;font-weight:500;transition:.3s;border:1px solid transparent;cursor:pointer;font-family:var(--sans)}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:var(--black)}
.btn-line{border-color:var(--black);color:var(--black)}
.btn-line:hover{background:var(--black);color:#fff}
.btn-light{border-color:rgba(255,255,255,.55);color:#fff}
.btn-light:hover{background:#fff;color:var(--black)}
.btn-sm{padding:12px 22px;font-size:13.5px}
.hamb{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px}
.hamb i{display:block;width:26px;height:2px;background:var(--black)}
@media(max-width:1150px){
  nav.main{position:fixed;inset:128px 0 auto 0;background:#fff;flex-direction:column;padding:20px 24px 30px;gap:0;border-bottom:1px solid var(--line);display:none;max-height:calc(100vh - 128px);overflow-y:auto}
  nav.main.open{display:flex}
  nav.main > a,nav.main .drop{width:100%}
  nav.main > a,nav.main .drop > a{width:100%;padding:14px 0;border-bottom:1px solid var(--line);font-size:17px}
  .drop-menu{position:static;transform:none;display:block;border:0;box-shadow:none;padding:0 0 8px 0;min-width:0}
  .drop-menu a{padding:10px 0 10px 16px;border-bottom:1px dashed var(--line);font-size:15.5px}
  .hamb{display:flex}
  header.site .btn{display:none}
}

/* ---------- PAGE HERO ---------- */
.phero{position:relative;background:var(--black);color:#fff;overflow:hidden}
.phero .bg{position:absolute;inset:0;background:url('../images/hero-workshop.jpg') center/cover;opacity:.38}
.phero .bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.75) 60%,rgba(0,0,0,.92) 100%)}
.phero .wrap{position:relative;z-index:2;padding:86px 24px 78px;text-align:center}
.phero .eyebrow{font-size:13.5px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold-light);margin-bottom:22px}
.phero h1{font-family:var(--serif);font-weight:400;color:#fff;font-size:clamp(34px,5vw,60px);line-height:1.2;letter-spacing:.01em}
.phero p.lead{margin:24px auto 0;max-width:760px;color:rgba(255,255,255,.82);font-size:19px}
.phero .crumb{margin-top:26px;font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.phero .crumb a:hover{color:var(--gold-light)}

/* ---------- HOME HERO ---------- */
.hhero{position:relative;background:var(--black);color:#fff;overflow:hidden}
.hhero .bg{position:absolute;inset:0;background:url('../images/hero-workshop.jpg') center/cover;opacity:.4}
.hhero .bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.5) 0%,rgba(0,0,0,.7) 55%,rgba(0,0,0,.93) 100%)}
.hhero .wrap{position:relative;z-index:2;padding:110px 24px 96px;text-align:center}
.hhero .eyebrow{font-size:13.5px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold-light);margin-bottom:24px}
.hhero h1{font-family:var(--serif);font-weight:400;font-size:clamp(36px,5.6vw,68px);line-height:1.16;color:#fff}
.hhero h1 em{font-style:italic;color:var(--gold-light)}
.hhero p{margin:26px auto 0;max-width:800px;color:rgba(255,255,255,.84);font-size:19.5px}
.hhero .acts{margin-top:40px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.pillars{display:flex;gap:0;justify-content:center;flex-wrap:wrap;margin-top:56px;border-top:1px solid rgba(255,255,255,.16);padding-top:34px}
.pillars div{padding:0 22px;border-right:1px solid rgba(255,255,255,.16)}
.pillars div:last-child{border-right:0}
.pillars b{display:block;font-family:var(--serif);font-size:14.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-light);font-weight:500}
@media(max-width:760px){.pillars div{border-right:0;padding:10px 14px;width:100%}}

/* ---------- SECTION ---------- */
section.pad{padding:82px 0}
section.cream{background:var(--cream)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-head .eyebrow{font-size:13px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.sec-head h2{font-family:var(--serif);font-weight:400;font-size:clamp(28px,3.6vw,44px);line-height:1.25;color:var(--black)}
.sec-head p{margin-top:18px;color:var(--muted)}
.rule{width:56px;height:1px;background:var(--gold);margin:20px auto 0}

/* ---------- BLOG LAYOUT ---------- */
.blog-grid{display:grid;grid-template-columns:1fr 340px;gap:56px;align-items:start}
@media(max-width:1000px){.blog-grid{grid-template-columns:1fr;gap:64px}}

/* --- post card (list) --- */
.plist{display:flex;flex-direction:column;gap:46px}
.pcard{display:grid;grid-template-columns:300px 1fr;gap:28px;align-items:start;border-bottom:1px solid var(--line);padding-bottom:46px}
.plist .pcard:last-child{border-bottom:0;padding-bottom:0}
.pcard .thumb{position:relative;overflow:hidden;background:var(--cream)}
.pcard .thumb img{width:100%;height:210px;object-fit:cover;transition:transform .6s}
.pcard:hover .thumb img{transform:scale(1.06)}
.pcard .date{position:absolute;left:0;top:0;background:var(--black);color:#fff;padding:10px 14px;text-align:center;line-height:1.1}
.pcard .date b{display:block;font-family:var(--serif);font-size:22px;font-weight:500}
.pcard .date span{display:block;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-light);margin-top:3px}
.pcard .cat{font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:12px;display:inline-block}
.pcard h3{font-family:var(--serif);font-weight:400;font-size:26px;line-height:1.32;color:var(--black);margin-bottom:12px}
.pcard h3 a:hover{color:var(--gold)}
.pcard .meta{font-size:14.5px;color:var(--muted);margin-bottom:12px}
.pcard .exc{font-size:17px;line-height:1.8;color:var(--body)}
.more{display:inline-block;margin-top:16px;font-size:14.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--black);border-bottom:1px solid var(--gold);padding-bottom:3px}
.more:hover{color:var(--gold)}
@media(max-width:700px){.pcard{grid-template-columns:1fr;gap:20px}.pcard .thumb img{height:230px}.pcard h3{font-size:23px}}

/* --- featured post --- */
.feat{position:relative;margin-bottom:56px;border:1px solid var(--line)}
.feat .im{position:relative;overflow:hidden}
.feat .im img{width:100%;height:420px;object-fit:cover}
.feat .body{padding:38px 40px 42px}
.feat .cat{font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
.feat h2{font-family:var(--serif);font-weight:400;font-size:clamp(26px,3.2vw,38px);line-height:1.25;color:var(--black);margin:14px 0 14px}
.feat h2 a:hover{color:var(--gold)}
.feat .meta{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.feat .tag{position:absolute;left:0;top:0;background:var(--gold);color:#fff;font-size:12px;letter-spacing:.2em;text-transform:uppercase;padding:11px 20px;z-index:2}
@media(max-width:700px){.feat .im img{height:250px}.feat .body{padding:28px 22px 32px}}

/* ---------- SIDEBAR ---------- */
.side{display:flex;flex-direction:column;gap:38px;position:sticky;top:110px}
@media(max-width:1000px){.side{position:static}}
.wid h4{font-family:var(--serif);font-weight:500;font-size:20px;color:var(--black);padding-bottom:14px;border-bottom:2px solid var(--black);margin-bottom:20px;letter-spacing:.02em}
.searchbox{display:flex;border:1px solid var(--line)}
.searchbox input{flex:1;border:0;padding:14px 16px;font-family:var(--sans);font-size:16px;color:var(--ink);background:#fff;outline:none}
.searchbox button{border:0;background:var(--black);color:#fff;padding:0 20px;cursor:pointer;font-size:16px}
.searchbox button:hover{background:var(--gold)}
.catlist li{list-style:none;border-bottom:1px solid var(--line)}
.catlist a{display:flex;justify-content:space-between;gap:12px;padding:13px 0;font-size:16.5px;color:var(--body)}
.catlist a:hover{color:var(--gold)}
.catlist a span{color:var(--muted);font-size:14.5px}
.rlist{display:flex;flex-direction:column;gap:18px}
.rlist .it{display:grid;grid-template-columns:88px 1fr;gap:14px;align-items:start}
.rlist .it img{width:88px;height:70px;object-fit:cover}
.rlist .it b{display:block;font-family:var(--serif);font-weight:400;font-size:16.5px;line-height:1.42;color:var(--black)}
.rlist .it:hover b{color:var(--gold)}
.rlist .it span{font-size:13.5px;color:var(--muted)}
.side-cta{background:var(--black);color:#fff;padding:34px 28px;text-align:center}
.side-cta h4{font-family:var(--serif);font-weight:400;font-size:23px;color:#fff;border:0;padding:0;margin-bottom:12px;line-height:1.35}
.side-cta p{font-size:16px;color:rgba(255,255,255,.78);margin-bottom:22px}
.side-cta .btn{width:100%}
.side-quote{background:var(--cream);border-left:3px solid var(--gold);padding:26px 24px;font-family:var(--serif);font-style:italic;font-size:19.5px;line-height:1.65;color:var(--charcoal)}
.side-quote span{display:block;margin-top:14px;font-family:var(--sans);font-style:normal;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

/* ---------- PAGINATION ---------- */
.pager{display:flex;gap:8px;justify-content:center;margin-top:58px;flex-wrap:wrap}
.pager a,.pager span{min-width:46px;height:46px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);font-size:16px;color:var(--body);padding:0 14px}
.pager a:hover{border-color:var(--black);color:var(--black)}
.pager .cur{background:var(--black);border-color:var(--black);color:#fff}

/* ---------- ARTICLE ---------- */
.art{max-width:820px;margin:0 auto}
.art .a-meta{font-size:14.5px;color:var(--muted);margin-bottom:0}
.art-body{font-size:18.5px;line-height:1.92;color:var(--body)}
.art-body > *{margin-bottom:26px}
.art-body h2{font-family:var(--serif);font-weight:400;font-size:31px;line-height:1.3;color:var(--black);margin-top:52px;margin-bottom:20px}
.art-body h3{font-family:var(--serif);font-weight:500;font-size:24px;line-height:1.38;color:var(--charcoal);margin-top:38px;margin-bottom:16px}
.art-body ul,.art-body ol{padding-left:24px}
.art-body li{margin-bottom:11px}
.art-body strong{font-weight:600;color:var(--ink)}
.art-body a{color:var(--gold);border-bottom:1px solid var(--gold)}
.art-body a:hover{color:var(--black);border-color:var(--black)}
.art-body blockquote{border-left:3px solid var(--gold);background:var(--cream);padding:26px 30px;font-family:var(--serif);font-style:italic;font-size:22px;line-height:1.6;color:var(--charcoal);margin:36px 0}
.art-body hr{border:0;border-top:1px solid var(--line);margin:44px 0}
.art-body img{margin:34px 0}
.art-body .cap{font-size:15px;color:var(--muted);text-align:center;margin-top:-22px}
.art-hero{width:100%;height:460px;object-fit:cover;margin-bottom:0}
@media(max-width:700px){.art-hero{height:250px}.art-body{font-size:17.5px}.art-body h2{font-size:26px}}
.share{display:flex;gap:12px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin:52px 0}
.share b{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-right:6px}
.share a{border:1px solid var(--line);padding:9px 18px;font-size:14.5px}
.share a:hover{background:var(--black);color:#fff;border-color:var(--black)}
.author-box{display:grid;grid-template-columns:120px 1fr;gap:26px;background:var(--cream);padding:32px;align-items:center}
.author-box img{width:120px;height:120px;object-fit:cover;border-radius:50%}
.author-box h4{font-family:var(--serif);font-weight:500;font-size:22px;color:var(--black);margin-bottom:8px}
.author-box p{font-size:16.5px;color:var(--body)}
@media(max-width:640px){.author-box{grid-template-columns:1fr;text-align:center;justify-items:center}}

/* ---------- RELATED GRID ---------- */
.rgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
@media(max-width:900px){.rgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.rgrid{grid-template-columns:1fr}}
.rcard{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;transition:.3s}
.rcard:hover{box-shadow:0 18px 40px rgba(0,0,0,.09);transform:translateY(-4px)}
.rcard .im{overflow:hidden;height:200px}
.rcard .im img{width:100%;height:200px;object-fit:cover}
.rcard .bd{padding:24px 24px 28px}
.rcard .cat{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
.rcard h3{font-family:var(--serif);font-weight:400;font-size:21px;line-height:1.38;color:var(--black);margin:12px 0 10px}
.rcard .meta{font-size:14px;color:var(--muted)}

/* ---------- CTA BAND ---------- */
.band{background:var(--wine);color:#fff;text-align:center;padding:78px 0}
.band h2{font-family:var(--serif);font-weight:400;font-size:clamp(28px,3.6vw,42px);line-height:1.25;color:#fff}
.band p{margin:20px auto 0;max-width:680px;color:rgba(255,255,255,.82)}
.band .acts{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- FOOTER ---------- */
footer.site{background:var(--black);color:rgba(255,255,255,.72);padding:70px 0 30px;font-size:16.5px}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
@media(max-width:860px){.f-grid{grid-template-columns:1fr;gap:38px}}
.flogo{height:52px;margin-bottom:20px}
footer.site h5{font-family:var(--serif);font-weight:500;font-size:19px;color:#fff;margin-bottom:18px;letter-spacing:.02em}
footer.site ul{list-style:none}
footer.site li{margin-bottom:11px;line-height:1.7}
footer.site a:hover{color:var(--gold-light)}
.f-bot{border-top:1px solid rgba(255,255,255,.14);margin-top:48px;padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:15px;color:rgba(255,255,255,.5)}

/* ---------- MOBILE CALLBAR ---------- */
.callbar{display:none}
@media(max-width:760px){
  .callbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80}
  .callbar a{flex:1;text-align:center;padding:15px 0;font-size:15px;letter-spacing:.06em;text-transform:uppercase;font-weight:500}
  .callbar .c1{background:var(--gold);color:#fff}
  .callbar .c2{background:var(--black);color:#fff}
  body{padding-bottom:54px}
}

/* ---------- REVEAL ---------- */
.js .rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js .rv.in{opacity:1;transform:none}

/* ---------- EMPTY / SEARCH ---------- */
.empty{text-align:center;padding:60px 0;color:var(--muted)}
.empty b{display:block;font-family:var(--serif);font-size:24px;color:var(--black);margin-bottom:10px}