/*
Theme Name: Khang Trang
Theme URI: http://manhtuansbi.com
Description: Theme hồ sơ điện ảnh cho Khang Trang / thương hiệu SBI — nền tối, menu chuyên nghiệp, đồng bộ trang chủ, blog và từng bài viết. Dựng từ thiết kế nguyen-manh-tuan-la-ai.
Author: Khang Trang
Version: 1.0
Text Domain: khang-trang
*/

/* ============================================================
   BIẾN THIẾT KẾ — đổi màu nhấn SBI ở ngay khối :root này
   ============================================================ */
:root{
  --bg-900:#08080A; --bg-850:#0A0A0C; --bg-800:#101013; --bg-700:#16161A; --bg-600:#1E1E23;
  --accent:#4C5FD4;            /* xanh royal (nhấn chính) */
  --accent-bright:#8B98F2;     /* xanh sáng (highlight/chữ) */
  --accent-deep:#2E3192;       /* xanh logo (viền/bóng) */
  --accent-2:#E5323C;          /* đỏ logo (điểm nóng/CTA) */
  --accent-2-bright:#FF5A63;
  --paper:#F2EFE9; --paper-dim:#C9C5BC; --muted:#8A867C; --muted-dark:#5A574F;
  --hairline:rgba(120,135,230,.22); --hairline-soft:rgba(242,239,233,.08);
  --accent-glow:rgba(76,95,212,.34);
  --maxw:1240px; --gutter:clamp(20px,5vw,72px);
  --ff-display:'Montserrat',system-ui,-apple-system,Segoe UI,sans-serif;
  --ff-body:'Montserrat',system-ui,-apple-system,Segoe UI,sans-serif;
  --ff-serif:'Playfair Display',Georgia,serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-900); color:var(--paper);
  font-family:var(--ff-body); font-size:18px; line-height:1.7;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#000}

/* ------- tiện ích ------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.sec{padding-block:clamp(72px,10vw,140px);position:relative}
.eyebrow{
  font-size:13px;font-weight:700;letter-spacing:.28em;text-transform:uppercase;
  color:var(--accent);display:inline-flex;align-items:center;gap:16px;margin-bottom:26px;
}
.eyebrow::before{content:"";width:38px;height:1px;background:var(--accent)}
.serif{font-family:var(--ff-serif)}
.hl{color:var(--accent-bright)}
.hairline{height:1px;background:var(--hairline);border:0}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.10s}.reveal.d2{transition-delay:.20s}.reveal.d3{transition-delay:.30s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ============ MASTHEAD / MENU CHUYÊN NGHIỆP ============ */
.masthead{position:fixed;inset:0 0 auto 0;z-index:60;
  transition:background .4s var(--ease),border-color .4s var(--ease),box-shadow .4s;
  border-bottom:1px solid transparent}
.masthead.scrolled{background:rgba(8,8,10,.90);backdrop-filter:blur(16px);
  border-bottom-color:var(--hairline);box-shadow:0 10px 40px -20px rgba(0,0,0,.8)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:40px;padding:0 var(--gutter);overflow:hidden;font-size:12.5px;color:var(--muted);
  border-bottom:1px solid var(--hairline-soft);
  transition:height .4s var(--ease),opacity .3s,border-color .4s}
.masthead.scrolled .topbar{height:0;opacity:0;border-color:transparent}
.topbar b{color:var(--accent);font-weight:400}
.topbar a{color:var(--paper-dim);transition:color .3s}.topbar a:hover{color:var(--accent-bright)}
.topbar .tb-left,.topbar .tb-right{display:flex;align-items:center;gap:22px}
.topbar .tb-right a{width:24px;height:24px;display:inline-grid;place-items:center;border:1px solid var(--hairline);border-radius:50%;font-size:11px}
.hdr{display:flex;align-items:center;justify-content:space-between;
  padding:16px var(--gutter);transition:padding .4s var(--ease)}
.masthead.scrolled .hdr{padding:10px var(--gutter)}
.logo{display:inline-flex;align-items:center;gap:11px;font-family:var(--ff-display);line-height:1;white-space:nowrap}
.logo .dia{width:34px;height:31px;flex:none}
.logo .lg-txt{font-weight:900;font-size:18px;letter-spacing:.05em;color:var(--paper)}
.logo .lg-txt small{display:block;font-size:8.5px;font-weight:600;letter-spacing:.26em;color:var(--muted);margin-top:4px}
.nav{display:flex;align-items:center;gap:30px}
.nav>ul{list-style:none;display:flex;align-items:center;gap:28px}
.nav>ul>li{position:relative}
.nav>ul>li>a{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--paper-dim);padding:22px 0;transition:color .3s}
.nav>ul>li>a:hover,.nav>ul>li>a.active{color:var(--accent-bright)}
.nav .caret{font-size:8px;opacity:.7;transition:transform .3s}
.nav>ul>li:hover .caret{transform:rotate(180deg)}
.btn-sm{border:1px solid var(--accent);color:var(--accent-bright);padding:10px 22px;border-radius:2px;
  font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;transition:background .3s,color .3s}
.btn-sm:hover{background:var(--accent);color:#000}
.mega{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(12px);
  min-width:540px;background:var(--bg-800);border:1px solid var(--hairline);border-radius:8px;
  padding:16px;display:grid;grid-template-columns:1fr 1fr;gap:6px;
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
  box-shadow:0 34px 70px -24px rgba(0,0,0,.85);z-index:70}
.nav>ul>li.has-mega:hover .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(6px);pointer-events:auto}
.mega a{display:block;padding:12px 14px;border-radius:6px;transition:background .25s}
.mega a:hover{background:var(--bg-600)}
.mega .m-t{display:block;font-family:var(--ff-display);font-weight:600;font-size:15px;color:var(--paper)}
.mega .m-d{display:block;font-size:12.5px;color:var(--muted);margin-top:3px;line-height:1.35}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:0;padding:4px}
.burger span{width:26px;height:2px;background:var(--paper);transition:.3s}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(2px);z-index:75;
  opacity:0;visibility:hidden;transition:.35s}
.scrim.open{opacity:1;visibility:visible}
.drawer{position:fixed;inset:0 0 0 auto;width:min(84vw,340px);z-index:80;
  background:var(--bg-850);border-left:1px solid var(--hairline);
  transform:translateX(100%);transition:transform .42s var(--ease);
  padding:84px 28px 40px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}
.drawer.open{transform:none}
.drawer a{padding:15px 4px;border-bottom:1px solid var(--hairline-soft);
  font-size:14px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--paper-dim);transition:color .3s}
.drawer a:hover{color:var(--accent-bright)}
.drawer .btn{border-bottom:0}
.drawer .close{position:absolute;top:22px;right:24px;background:none;border:0;color:var(--paper);font-size:30px;line-height:1;cursor:pointer}
@media(max-width:1040px){
  .nav{display:none}
  .burger{display:flex}
  .topbar .tb-hide{display:none}
}
@media(max-width:520px){ .topbar{font-size:11.5px} .topbar .tb-left,.topbar .tb-right{gap:12px} }

/* ============ HERO ============ */
.hero{
  min-height:100svh;display:flex;align-items:center;position:relative;
  padding-block:104px 48px;
  background:radial-gradient(120% 80% at 70% 0%,#141319 0%,var(--bg-900) 55%);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(100% 100% at 50% 40%,transparent 55%,rgba(0,0,0,.65) 100%);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;width:100%;position:relative;z-index:2}
.hero h1{
  font-family:var(--ff-display);font-weight:900;text-transform:uppercase;
  font-size:clamp(38px,5.4vw,80px);line-height:.98;letter-spacing:-.01em;
  color:var(--paper-dim);margin:6px 0 26px;
}
.hero h1 .gold{
  background:linear-gradient(180deg,var(--accent-bright),var(--accent) 55%,var(--accent-deep));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero h1 .white{color:#fff}
.hero p.lead{font-size:clamp(17px,1.4vw,20px);color:var(--paper-dim);max-width:44ch;line-height:1.75}
.cta-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px}
.btn{
  display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:14px;letter-spacing:.08em;
  text-transform:uppercase;padding:16px 30px;border-radius:2px;transition:transform .3s var(--ease),box-shadow .3s,background .3s,color .3s;
}
.btn-primary{background:var(--accent);color:#0a0a0a;box-shadow:0 0 0 rgba(201,162,75,0)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 40px -12px var(--accent-glow)}
.btn-ghost{border:1px solid var(--hairline);color:var(--paper)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-bright)}
.hero-photo{position:relative;aspect-ratio:4/5;border:1px solid var(--hairline);
  box-shadow:22px 22px 0 -1px rgba(0,0,0,.55), 0 0 60px -20px var(--accent-glow) inset}
.hero-photo .tag{position:absolute;left:18px;bottom:18px;z-index:3;
  font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-bright);
  background:rgba(8,8,10,.6);backdrop-filter:blur(4px);padding:8px 14px;border-left:2px solid var(--accent)}
@media(max-width:820px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-photo{max-width:360px;order:-1}
}
.ph{
  position:relative;width:100%;height:100%;min-height:180px;overflow:hidden;
  background:
    repeating-linear-gradient(135deg,rgba(201,162,75,.05) 0 2px,transparent 2px 12px),
    linear-gradient(135deg,#1a1a1f,#0e0e12);
  display:grid;place-items:center;text-align:center;color:var(--muted);
}
.ph span{font-size:12px;letter-spacing:.16em;text-transform:uppercase;padding:10px 16px;
  border:1px dashed var(--hairline);border-radius:3px;max-width:80%}
.ph::before{content:"◈";position:absolute;font-size:40px;color:rgba(201,162,75,.14);top:16px;left:20px}

/* ============ CÂU CHUYỆN / BIO ============ */
.bio-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.bio-photo{position:relative;aspect-ratio:3/4;border:1px solid var(--hairline);box-shadow:16px 16px 0 -1px rgba(0,0,0,.5);position:sticky;top:120px}
.bio-body p{color:var(--paper-dim);margin-bottom:24px;font-size:19px}
.bio-body p .hl{font-weight:600}
.dropcap::first-letter{
  font-family:var(--ff-serif);float:left;font-size:88px;line-height:.72;padding:8px 14px 0 0;
  color:var(--accent);font-weight:600;
}
.pullquote{
  font-family:var(--ff-serif);font-style:italic;font-size:clamp(22px,2.4vw,30px);line-height:1.4;
  color:var(--paper);border-left:2px solid var(--accent);padding:6px 0 6px 28px;margin:40px 0;
}
.pullquote cite{display:block;font-style:normal;font-family:var(--ff-display);font-size:13px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-top:16px}
@media(max-width:820px){.bio-grid{grid-template-columns:1fr;gap:36px}.bio-photo{position:relative;top:0;max-width:340px}}

/* ============ STATS ============ */
.stats{background:linear-gradient(180deg,var(--bg-850),var(--bg-800));border-block:1px solid var(--hairline)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:14px clamp(14px,2.4vw,34px);border-left:1px solid var(--hairline)}
.stat:first-child{border-left:0}
.stat .num{font-family:var(--ff-display);font-weight:800;font-size:clamp(38px,4.6vw,60px);line-height:1;
  color:var(--accent-bright);letter-spacing:-.02em}
.stat .num small{font-size:.5em;color:var(--accent);margin-left:2px}
.stat .lbl{margin-top:12px;font-size:14px;color:var(--paper-dim);line-height:1.4}
@media(max-width:760px){.stats-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .stat{border-left:1px solid var(--hairline)}.stat:nth-child(odd){border-left:0}}

/* ============ CỘT MỐC / TIMELINE ============ */
.tl{display:grid;gap:0}
.tl-item{
  display:grid;grid-template-columns:120px 1fr;gap:clamp(20px,4vw,60px);
  padding:40px 0;border-top:1px solid var(--hairline);position:relative;align-items:center;
}
.tl-item:last-child{border-bottom:1px solid var(--hairline)}
.tl-year{font-family:var(--ff-display);font-weight:800;font-size:clamp(30px,3vw,40px);color:var(--accent)}
.tl-no{position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-family:var(--ff-display);font-weight:900;font-size:clamp(80px,11vw,150px);line-height:1;
  color:rgba(255,255,255,.03);z-index:0;pointer-events:none}
.tl-content{position:relative;z-index:1}
.tl-content h3{font-family:var(--ff-display);font-weight:700;font-size:clamp(20px,2.1vw,26px);margin-bottom:8px}
.tl-content p{color:var(--muted);max-width:60ch}
@media(max-width:640px){.tl-item{grid-template-columns:1fr;gap:8px;padding:30px 0}.tl-no{font-size:70px;opacity:.6}}

/* ============ SPLIT ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,72px);align-items:center}
.split.rev .split-media{order:2}
.split-media{aspect-ratio:4/3;border:1px solid var(--hairline);box-shadow:18px 18px 0 -1px rgba(0,0,0,.5)}
.split-body h2{font-family:var(--ff-display);font-weight:800;text-transform:uppercase;
  font-size:clamp(30px,3.6vw,50px);line-height:1.02;margin:6px 0 22px}
.split-body p{color:var(--paper-dim);margin-bottom:20px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{font-size:13px;letter-spacing:.06em;color:var(--accent-bright);border:1px solid var(--hairline);
  padding:8px 16px;border-radius:40px}
@media(max-width:760px){.split{grid-template-columns:1fr;gap:30px}.split.rev .split-media{order:0}}

/* ============ ENDURE ============ */
.endure{background:
   linear-gradient(rgba(8,8,10,.78),rgba(8,8,10,.86)),
   repeating-linear-gradient(135deg,#141319 0 3px,#0d0d11 3px 16px);
  border-block:1px solid var(--hairline);text-align:center}
.endure .big{font-family:var(--ff-serif);font-style:italic;font-size:clamp(26px,4vw,46px);line-height:1.35;
  max-width:20ch;margin:20px auto 34px;color:var(--paper)}
.endure .jobs{display:flex;justify-content:center;flex-wrap:wrap;gap:14px 28px;color:var(--muted);
  font-size:14px;letter-spacing:.1em;text-transform:uppercase}
.endure .jobs span{position:relative;padding-left:22px}
.endure .jobs span::before{content:"—";position:absolute;left:0;color:var(--accent)}

/* ============ FINAL / SLOGAN ============ */
.final{text-align:center;background:radial-gradient(90% 120% at 50% 0%,#16141b 0%,var(--bg-900) 60%)}
.final h2{font-family:var(--ff-display);font-weight:900;text-transform:uppercase;
  font-size:clamp(34px,5.4vw,74px);line-height:1;margin:6px 0 22px}
.final h2 .gold{background:linear-gradient(180deg,var(--accent-bright),var(--accent-deep));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.final p{color:var(--paper-dim);max-width:52ch;margin:0 auto 38px}
.socials{display:flex;justify-content:center;gap:14px;margin-top:44px}
.socials a{width:48px;height:48px;display:grid;place-items:center;border:1px solid var(--hairline);
  border-radius:50%;color:var(--paper-dim);font-weight:700;transition:.3s}
.socials a:hover{border-color:var(--accent);color:var(--accent-bright);transform:translateY(-3px)}
.slogan{margin-top:54px;font-family:var(--ff-display);font-weight:800;letter-spacing:.2em;
  font-size:clamp(16px,2vw,22px);text-transform:uppercase;color:var(--accent)}

/* ============ FOOTER ============ */
.ft{background:var(--bg-850);border-top:1px solid var(--hairline);padding-block:64px 30px}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.ft h4{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.ft ul{list-style:none;display:grid;gap:12px}
.ft a{color:var(--paper-dim);font-size:15px;transition:color .3s}.ft a:hover{color:var(--accent-bright)}
.ft .intro p{color:var(--muted);font-size:15px;max-width:34ch;margin-top:14px}
.ft-bottom{margin-top:52px;padding-top:24px;border-top:1px solid var(--hairline-soft);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--muted-dark);font-size:13px}
@media(max-width:760px){.ft-grid{grid-template-columns:1fr 1fr}.ft .intro{grid-column:1/-1}}

/* ============ SECTION HEAD ============ */
.sec-head{max-width:660px;margin-bottom:clamp(38px,5vw,60px)}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-head h2{font-family:var(--ff-display);font-weight:800;text-transform:uppercase;
  font-size:clamp(28px,3.6vw,50px);line-height:1.04;margin-top:4px}
.sec-head p{color:var(--muted);margin-top:16px;font-size:17px}
.alt{background:linear-gradient(180deg,var(--bg-850),var(--bg-800));border-block:1px solid var(--hairline)}

/* ============ FEATURES ============ */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat{border:1px solid var(--hairline);border-radius:10px;padding:30px 26px;
  background:linear-gradient(180deg,var(--bg-800),var(--bg-850));transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}
.feat:hover{transform:translateY(-6px);border-color:var(--accent-deep);box-shadow:0 26px 54px -32px var(--accent-glow)}
.feat .ico{width:54px;height:54px;display:grid;place-items:center;border:1px solid var(--hairline);
  border-radius:12px;color:var(--accent-bright);font-size:24px;margin-bottom:20px}
.feat h3{font-size:19px;font-weight:700;margin-bottom:10px}
.feat p{color:var(--muted);font-size:15px}
@media(max-width:900px){.feat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.feat-grid{grid-template-columns:1fr}}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{padding:0 28px;border-left:1px solid var(--hairline)}
.step:first-child{border-left:0;padding-left:0}
.step .n{font-family:var(--ff-display);font-weight:900;font-size:58px;line-height:1;
  color:transparent;-webkit-text-stroke:1.2px var(--accent-deep)}
.step h3{font-size:18px;font-weight:700;margin:16px 0 8px}
.step p{color:var(--muted);font-size:14.5px}
@media(max-width:820px){.steps{grid-template-columns:1fr 1fr;gap:36px 0}
  .step{border-left:1px solid var(--hairline);padding:0 24px}.step:nth-child(odd){border-left:0;padding-left:0}}
@media(max-width:480px){.steps{grid-template-columns:1fr;gap:28px}
  .step{border-left:0;padding:0 0 0 0;border-top:1px solid var(--hairline);padding-top:24px}.step:first-child{border-top:0;padding-top:0}}

/* ============ PRODUCTS ============ */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod{border:1px solid var(--hairline);border-radius:10px;overflow:hidden;background:var(--bg-850);
  transition:transform .35s var(--ease),border-color .35s}
.prod:hover{transform:translateY(-6px);border-color:var(--accent-deep)}
.prod .pimg{aspect-ratio:1/1;background:#fff;overflow:hidden}
.prod .pimg img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.prod:hover .pimg img{transform:scale(1.05)}
.prod .pbody{padding:18px 20px 22px}
.prod .cat{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-bright)}
.prod h3{font-size:17px;font-weight:700;margin:8px 0 6px;line-height:1.3}
.prod p{color:var(--muted);font-size:14px}
@media(max-width:820px){.prod-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.prod-grid{grid-template-columns:1fr}}

/* ============ LOGO WALL ============ */
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--hairline);
  border:1px solid var(--hairline);margin-top:44px}
.logo-wall div{background:var(--bg-850);aspect-ratio:2/1;display:grid;place-items:center;
  color:var(--muted-dark);font-size:12px;letter-spacing:.12em;transition:background .3s,color .3s}
.logo-wall div:hover{background:var(--bg-700);color:var(--accent-bright)}
@media(max-width:820px){.logo-wall{grid-template-columns:repeat(3,1fr)}}
@media(max-width:480px){.logo-wall{grid-template-columns:repeat(2,1fr)}}

/* ============ TESTIMONIALS ============ */
.tst-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tst{border:1px solid var(--hairline);border-radius:10px;padding:30px;background:var(--bg-850);
  display:flex;flex-direction:column}
.tst .stars{color:var(--accent);letter-spacing:3px;margin-bottom:16px}
.tst .q{font-family:var(--ff-serif);font-style:italic;font-size:18px;line-height:1.55;color:var(--paper);flex:1}
.tst .who{display:flex;align-items:center;gap:14px;margin-top:24px}
.tst .av{width:46px;height:46px;border-radius:50%;background:var(--bg-600);border:1px solid var(--hairline);
  display:grid;place-items:center;color:var(--accent);font-weight:700;flex:none}
.tst .who b{display:block;font-size:15px}.tst .who span{font-size:13px;color:var(--muted)}
@media(max-width:820px){.tst-grid{grid-template-columns:1fr}}

/* ============ BLOG CARDS ============ */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post{border:1px solid var(--hairline);border-radius:10px;overflow:hidden;background:var(--bg-850);
  transition:transform .35s var(--ease),border-color .35s}
.post:hover{transform:translateY(-6px);border-color:var(--accent-deep)}
.post .pimg{aspect-ratio:16/10;overflow:hidden;background:#0e0e12}
.post .pimg img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.post:hover .pimg img{transform:scale(1.05)}
.post .pbody{padding:22px}
.post .cat{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.post h3{font-size:18px;font-weight:700;margin:10px 0;line-height:1.32}
.post .meta{color:var(--muted);font-size:13px}
.blog-more{text-align:center;margin-top:44px}
@media(max-width:820px){.blog-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq{max-width:840px;margin-inline:auto}
.qa{border-bottom:1px solid var(--hairline)}
.qa>button{width:100%;text-align:left;background:none;border:0;color:var(--paper);cursor:pointer;
  padding:26px 44px 26px 0;font-family:var(--ff-display);font-weight:600;font-size:clamp(16px,1.9vw,20px);position:relative}
.qa>button::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  color:var(--accent);font-size:26px;transition:transform .3s}
.qa.open>button{color:var(--accent-bright)}
.qa.open>button::after{content:"–"}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.qa .ans p{color:var(--muted);padding-bottom:26px;max-width:74ch}

/* ============ CONTACT ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);align-items:start}
.ci{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--hairline-soft)}
.ci .ico{color:var(--accent-bright);font-size:20px;width:26px;text-align:center;flex:none;margin-top:2px}
.ci b{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.ci span{font-size:17px;color:var(--paper)}
.contact-social{display:flex;gap:12px;margin-top:26px}
.contact-social a{width:46px;height:46px;display:grid;place-items:center;border:1px solid var(--hairline);
  border-radius:50%;color:var(--paper-dim);font-weight:700;transition:.3s}
.contact-social a:hover{border-color:var(--accent);color:var(--accent-bright);transform:translateY(-3px)}
.form{background:var(--bg-850);border:1px solid var(--hairline);border-radius:12px;padding:clamp(24px,3vw,36px)}
.form .frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:16px 0 8px}
.form input,.form textarea,.form select{width:100%;background:var(--bg-900);border:1px solid var(--hairline);
  border-radius:6px;color:var(--paper);padding:14px 16px;font-family:inherit;font-size:15px;transition:border-color .3s}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--accent)}
.form textarea{resize:vertical;min-height:110px}
.form .btn{width:100%;justify-content:center;margin-top:26px;border:0;cursor:pointer}
.form .note{font-size:12.5px;color:var(--muted-dark);margin-top:14px;text-align:center}
.form .ok{display:none;color:var(--accent-bright);text-align:center;padding:12px;border:1px solid var(--hairline);border-radius:6px;margin-top:16px}
.slogan-band{text-align:center;border-top:1px solid var(--hairline);padding-block:clamp(48px,7vw,84px)}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}.form .frow{grid-template-columns:1fr}}

/* ============================================================
   BỔ SUNG CHO WORDPRESS — blog listing, single post, page,
   phân trang, admin bar, bình luận.  (không có trong bản HTML gốc)
   ============================================================ */

/* đẩy nội dung xuống dưới masthead cố định (các trang không phải trang chủ) */
.site-main{padding-top:150px}
body.admin-bar .masthead{top:32px}
@media(max-width:782px){body.admin-bar .masthead{top:46px}}

/* Hero nhỏ đầu trang blog / bài viết / trang tĩnh */
.page-hero{padding:20px 0 48px;position:relative}
.page-hero .eyebrow{margin-bottom:18px}
.page-hero h1{font-family:var(--ff-display);font-weight:900;text-transform:uppercase;
  font-size:clamp(30px,4.4vw,60px);line-height:1.02;letter-spacing:-.01em;color:var(--paper)}
.page-hero .lede{color:var(--muted);margin-top:16px;max-width:64ch;font-size:17px}
.breadcrumb{font-size:13px;letter-spacing:.06em;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:var(--accent-bright)}
.breadcrumb a:hover{color:var(--paper)}

/* lưới bài viết blog: dùng lại .blog-grid/.post nhưng cho tiêu đề là link */
.post .pbody h3 a{color:inherit;transition:color .3s}
.post:hover .pbody h3 a{color:var(--accent-bright)}
.post .excerpt{color:var(--muted);font-size:14.5px;margin:6px 0 14px;line-height:1.6}
.post .readmore{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-bright);font-weight:600}

/* phân trang */
.pager{display:flex;justify-content:center;gap:10px;margin-top:56px;flex-wrap:wrap}
.pager .page-numbers{display:inline-grid;place-items:center;min-width:44px;height:44px;padding:0 12px;
  border:1px solid var(--hairline);border-radius:4px;color:var(--paper-dim);font-weight:600;font-size:14px;transition:.3s}
.pager .page-numbers:hover,.pager .page-numbers.current{background:var(--accent);color:#000;border-color:var(--accent)}
.pager .dots{border-color:transparent}

/* ======= SINGLE POST ======= */
.article-wrap{max-width:820px;margin-inline:auto}
.article-head{max-width:820px;margin:0 auto clamp(30px,4vw,48px)}
.article-head h1{font-family:var(--ff-display);font-weight:900;
  font-size:clamp(28px,4vw,52px);line-height:1.08;color:var(--paper);margin:14px 0 18px}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;color:var(--muted);font-size:13.5px;
  letter-spacing:.04em;align-items:center}
.article-meta .cat-tag{color:var(--accent);text-transform:uppercase;letter-spacing:.12em;font-weight:700}
.article-cover{max-width:1000px;margin:0 auto clamp(30px,4vw,52px);border:1px solid var(--hairline);
  border-radius:12px;overflow:hidden;box-shadow:0 30px 70px -40px rgba(0,0,0,.9)}
.article-cover img{width:100%;height:auto;display:block}

/* nội dung bài viết — kiểu chữ đọc dài */
.entry{font-size:18px;line-height:1.85;color:var(--paper-dim)}
.entry > *{margin-bottom:26px}
.entry h2{font-family:var(--ff-display);font-weight:800;color:var(--paper);
  font-size:clamp(23px,2.6vw,32px);line-height:1.2;margin:44px 0 18px}
.entry h3{font-family:var(--ff-display);font-weight:700;color:var(--paper);
  font-size:clamp(19px,2vw,25px);margin:36px 0 14px}
.entry h4{font-weight:700;color:var(--paper);font-size:19px;margin:28px 0 12px}
.entry p{color:var(--paper-dim)}
.entry a{color:var(--accent-bright);text-decoration:underline;text-underline-offset:3px}
.entry a:hover{color:var(--paper)}
.entry strong,.entry b{color:var(--paper)}
.entry ul,.entry ol{padding-left:26px;color:var(--paper-dim)}
.entry li{margin-bottom:10px}
.entry ul li::marker{color:var(--accent)}
.entry img{border-radius:10px;border:1px solid var(--hairline);margin-inline:auto;height:auto}
.entry figure{margin-bottom:30px}
.entry figcaption{color:var(--muted);font-size:14px;text-align:center;margin-top:10px}
.entry blockquote{border-left:3px solid var(--accent);padding:6px 0 6px 26px;margin:32px 0;
  font-family:var(--ff-serif);font-style:italic;font-size:clamp(20px,2.2vw,26px);color:var(--paper);line-height:1.45}
.entry blockquote p{color:var(--paper)}
.entry code{background:var(--bg-700);padding:2px 8px;border-radius:4px;font-size:.9em;color:var(--accent-bright)}
.entry pre{background:var(--bg-800);border:1px solid var(--hairline);border-radius:10px;padding:22px;overflow:auto}
.entry pre code{background:none;padding:0;color:var(--paper-dim)}
.entry hr{border:0;height:1px;background:var(--hairline);margin:44px 0}
.entry table{width:100%;border-collapse:collapse;font-size:15px}
.entry th,.entry td{border:1px solid var(--hairline);padding:12px 14px;text-align:left}
.entry th{background:var(--bg-800);color:var(--paper)}
.wp-caption{max-width:100%}
.aligncenter{margin-inline:auto}
.alignright{float:right;margin:0 0 20px 24px;max-width:50%}
.alignleft{float:left;margin:0 24px 20px 0;max-width:50%}

/* tag list + chia sẻ + điều hướng bài */
.article-foot{max-width:820px;margin:clamp(40px,5vw,64px) auto 0;padding-top:32px;border-top:1px solid var(--hairline)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag-list a{font-size:13px;color:var(--accent-bright);border:1px solid var(--hairline);
  padding:7px 15px;border-radius:40px;transition:.3s}
.tag-list a:hover{border-color:var(--accent);background:var(--bg-700)}
.post-nav{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:20px}
.post-nav a{max-width:48%;color:var(--paper-dim);transition:color .3s}
.post-nav a:hover{color:var(--accent-bright)}
.post-nav .lbl{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.post-nav .nxt{text-align:right;margin-left:auto}

/* author box */
.author-box{display:flex;gap:20px;align-items:flex-start;background:var(--bg-850);
  border:1px solid var(--hairline);border-radius:12px;padding:26px;margin-top:40px}
.author-box .ava{width:60px;height:60px;border-radius:50%;background:var(--bg-600);flex:none;
  display:grid;place-items:center;color:var(--accent);font-weight:800;font-size:22px;border:1px solid var(--hairline)}
.author-box b{color:var(--paper);font-size:17px}
.author-box p{color:var(--muted);font-size:14.5px;margin-top:6px}

/* CTA cuối bài */
.post-cta{max-width:820px;margin:48px auto 0;background:linear-gradient(180deg,var(--bg-800),var(--bg-850));
  border:1px solid var(--hairline);border-radius:14px;padding:clamp(28px,4vw,44px);text-align:center}
.post-cta h3{font-family:var(--ff-display);font-weight:800;font-size:clamp(21px,2.4vw,30px);color:var(--paper);margin-bottom:12px}
.post-cta p{color:var(--muted);max-width:52ch;margin:0 auto 24px}

/* bình luận (đơn giản, theo tông tối) */
.comments{max-width:820px;margin:clamp(40px,5vw,60px) auto 0}
.comments h3{font-family:var(--ff-display);font-weight:800;font-size:24px;color:var(--paper);margin-bottom:24px}
.comment-list{list-style:none}
.comment-list li{border:1px solid var(--hairline);border-radius:10px;padding:20px;margin-bottom:16px;background:var(--bg-850)}
.comment-author{color:var(--paper);font-weight:700}
.comment-meta{color:var(--muted);font-size:13px;margin-bottom:8px}
.comment-body{color:var(--paper-dim);font-size:15.5px}
.comment-respond{margin-top:30px}
.comment-respond input,.comment-respond textarea{width:100%;background:var(--bg-900);
  border:1px solid var(--hairline);border-radius:6px;color:var(--paper);padding:14px 16px;
  font-family:inherit;font-size:15px;margin-bottom:14px}
.comment-respond .submit{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:14px;
  letter-spacing:.08em;text-transform:uppercase;padding:14px 28px;border-radius:2px;border:0;cursor:pointer;
  background:var(--accent);color:#000}

/* empty / 404 */
.empty-state{text-align:center;padding:60px 0}
.empty-state h2{font-family:var(--ff-display);font-weight:800;font-size:clamp(26px,4vw,44px);color:var(--paper);margin-bottom:16px}
.empty-state p{color:var(--muted);margin-bottom:28px}

/* search box */
.search-form{display:flex;gap:10px;max-width:460px;margin-top:20px}
.search-form input[type=search]{flex:1;background:var(--bg-900);border:1px solid var(--hairline);
  border-radius:6px;color:var(--paper);padding:13px 16px;font-family:inherit;font-size:15px}
.search-form button{border:0;cursor:pointer;background:var(--accent);color:#000;font-weight:700;
  padding:0 22px;border-radius:6px;text-transform:uppercase;letter-spacing:.06em;font-size:13px}