/* ============================================================
   THANG MÁY MINH TÂM — giao diện chung
   Navy sâu · vàng đồng · bo góc mềm · chuyển động nhẹ
   ============================================================ */

:root{
  --bg:#0A1522;
  --bg-2:#0F1E30;
  --bg-3:#15283F;
  --char:#121417;
  --char-2:#1A1D22;
  --gold:#C9A55A;
  --gold-2:#E7CB8C;
  --gold-3:#9A7734;
  --gold-grad:linear-gradient(135deg,#EDD49A 0%,#C9A55A 48%,#9A7734 100%);
  --text:#EEF1F5;
  --muted:#A9B3C1;
  --faint:#6F7B8C;
  --line:rgba(201,165,90,.26);
  --line-soft:rgba(238,241,245,.09);
  --radius:18px;
  --radius-sm:12px;
  --ease:cubic-bezier(.22,.8,.24,1);
  --shadow:0 18px 44px rgba(0,0,0,.38);
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --header:82px;
  --wrap:1200px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:17px;line-height:1.7;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;}
::selection{background:var(--gold);color:var(--bg);}
:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px;border-radius:6px;}

h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.015em;line-height:1.22;}
h1{font-size:clamp(32px,4.6vw,58px);}
h2{font-size:clamp(26px,3vw,40px);}
h3{font-size:20px;font-weight:600;}
h4{font-size:16px;font-weight:600;}
p{margin:0 0 16px;}
.gold{color:var(--gold-2);}
.muted{color:var(--muted);}

.wrap{width:min(var(--wrap),100% - 48px);margin-inline:auto;}
.wrap.narrow{width:min(820px,100% - 48px);}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;height:var(--header);z-index:90;
  background:linear-gradient(180deg,rgba(10,21,34,.86),rgba(10,21,34,.62));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .4s var(--ease),border-color .4s var(--ease),box-shadow .4s var(--ease);
}
.site-header.scrolled{
  background:rgba(8,17,28,.94);
  border-bottom-color:var(--line-soft);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.site-header .wrap{height:100%;display:flex;align-items:center;gap:28px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none;}
.brand img{height:54px;width:auto;}
.logo-slot{
  height:54px;min-width:140px;padding:0 14px;border-radius:12px;
  border:1px dashed var(--gold);display:flex;flex-direction:column;justify-content:center;
  background:rgba(201,165,90,.06);
}
.logo-slot b{font-size:13px;letter-spacing:.14em;color:var(--gold-2);font-weight:700;line-height:1.2;}
.logo-slot small{font-size:10px;color:var(--faint);font-family:var(--mono);line-height:1.3;}

.menu{display:flex;align-items:center;gap:4px;margin:0 0 0 auto;padding:0;list-style:none;}
.menu a{
  position:relative;display:block;padding:10px 12px;text-decoration:none;
  font-size:15px;font-weight:500;color:var(--text);opacity:.86;white-space:nowrap;
  transition:color .3s var(--ease),opacity .3s var(--ease);
}
.menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--gold-grad);transform:scaleX(0);transform-origin:left;
  transition:transform .45s var(--ease);
}
.menu a:hover{opacity:1;color:var(--gold-2);}
.menu a:hover::after,.menu a[aria-current="page"]::after{transform:scaleX(1);}
.menu a[aria-current="page"]{color:var(--gold-2);opacity:1;}
.menu .ext::before{content:"";}

.header-cta{flex:none;}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:20px;height:2px;border-radius:2px;background:var(--gold-2);
  margin:auto;position:relative;transition:transform .35s var(--ease),opacity .2s;
}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-open .nav-toggle span{background:transparent;}
.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- NÚT ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;justify-content:center;
  padding:14px 26px;border-radius:999px;border:0;cursor:pointer;
  font-family:inherit;font-size:15px;font-weight:600;text-decoration:none;
  color:#1B1407;background:var(--gold-grad);background-size:160% 160%;background-position:0 0;
  box-shadow:0 8px 22px rgba(201,165,90,.22);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),background-position .6s var(--ease);
}
.btn:hover{transform:translateY(-2px);background-position:100% 100%;box-shadow:0 14px 30px rgba(201,165,90,.32);}
.btn.ghost{
  background:transparent;color:var(--text);box-shadow:none;
  border:1px solid rgba(238,241,245,.28);
}
.btn.ghost:hover{border-color:var(--gold);color:var(--gold-2);background:rgba(201,165,90,.07);}
.btn.small{padding:10px 20px;font-size:14px;}
.btn.navy{background:var(--bg-3);color:var(--text);border:1px solid var(--line);box-shadow:none;}
.btn.navy:hover{border-color:var(--gold);color:var(--gold-2);}
.btn svg{width:18px;height:18px;flex:none;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ---------- ẢNH (tự nạp) ---------- */
.ph{
  position:relative;overflow:hidden;border-radius:var(--radius-sm);
  background:
    linear-gradient(135deg,rgba(201,165,90,.08),transparent 55%),
    repeating-linear-gradient(90deg,rgba(238,241,245,.035) 0 1px,transparent 1px 42px),
    repeating-linear-gradient(0deg,rgba(238,241,245,.035) 0 1px,transparent 1px 42px),
    var(--bg-3);
  border:1px solid var(--line-soft);
}
.ph::after{
  content:attr(data-label) "\A" attr(data-img);white-space:pre-line;
  position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:16px;
  font-family:var(--mono);font-size:12px;line-height:1.6;color:var(--faint);pointer-events:none;
}
.ph.has-img::after{display:none;}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease);}
.r43{aspect-ratio:4/3;}
.r169{aspect-ratio:16/9;}
.r34{aspect-ratio:3/4;}
.r45{aspect-ratio:4/5;}
.r11{aspect-ratio:1/1;}

/* ---------- HERO TRANG CHỦ ---------- */
.hero{
  position:relative;min-height:min(92vh,880px);padding:calc(var(--header) + 70px) 0 190px;
  display:flex;align-items:center;overflow:hidden;isolation:isolate;
  background:
    radial-gradient(60% 70% at 78% 30%,rgba(201,165,90,.20),transparent 70%),
    radial-gradient(50% 60% at 10% 90%,rgba(40,86,140,.35),transparent 70%),
    var(--bg);
}
.hero-bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s var(--ease);}
.hero-bg.has-img{opacity:1;}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(8,16,27,.92) 0%,rgba(8,16,27,.62) 48%,rgba(8,16,27,.25) 100%),
             linear-gradient(0deg,var(--bg) 0%,transparent 35%);
}
.hero-grid{
  position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.55;
  background:
    repeating-linear-gradient(90deg,rgba(201,165,90,.06) 0 1px,transparent 1px 120px),
    repeating-linear-gradient(0deg,rgba(201,165,90,.04) 0 1px,transparent 1px 120px);
  -webkit-mask-image:radial-gradient(70% 80% at 75% 40%,#000 20%,transparent 75%);
          mask-image:radial-gradient(70% 80% at 75% 40%,#000 20%,transparent 75%);
}
.hero .eyebrow{margin-bottom:22px;}
.hero h1{max-width:15ch;}
.hero h1 em{font-style:normal;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero .lead{max-width:56ch;margin-top:22px;font-size:19px;color:#C9D1DC;}
.hero-badge{
  position:absolute;right:max(24px,calc((100vw - var(--wrap))/2));top:calc(var(--header) + 70px);
  padding:18px 22px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(10,21,34,.55);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  text-align:right;
}
.hero-badge b{display:block;font-size:40px;line-height:1;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-badge span{font-size:13px;color:var(--muted);}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold);}
.lead{font-size:18px;color:var(--muted);max-width:62ch;}

/* 3 thẻ dịch vụ chồng lên hero */
.service-strip{position:relative;z-index:5;margin-top:-150px;}
.service-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.svc{
  display:grid;grid-template-columns:120px 1fr;gap:18px;padding:22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(46,38,24,.92),rgba(20,24,30,.96) 55%);
  border:1px solid var(--line);box-shadow:var(--shadow);text-decoration:none;
  transition:transform .5s var(--ease),border-color .5s var(--ease),box-shadow .5s var(--ease);
}
.svc:hover{transform:translateY(-8px);border-color:var(--gold);box-shadow:0 26px 60px rgba(0,0,0,.5),0 0 0 1px rgba(201,165,90,.25);}
.svc:hover .ph img{transform:scale(1.07);}
.svc .ph{aspect-ratio:3/4;border-radius:10px;}
.svc h3{font-size:21px;margin-bottom:10px;}
.svc ul{margin:0 0 16px;padding:0;list-style:none;}
.svc li{font-size:14.5px;color:#CDD3DB;padding-left:16px;position:relative;line-height:1.55;margin-bottom:6px;}
.svc li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--gold);}
.svc .more{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#1B1407;
  background:var(--gold-grad);padding:8px 16px;border-radius:999px;
}
.svc .more svg{width:15px;height:15px;transition:transform .4s var(--ease);}
.svc:hover .more svg{transform:translateX(4px);}

/* ---------- HERO TRANG CON ---------- */
.page-hero{
  position:relative;padding:calc(var(--header) + 86px) 0 84px;overflow:hidden;isolation:isolate;
  background:
    radial-gradient(55% 90% at 85% 0%,rgba(201,165,90,.18),transparent 70%),
    radial-gradient(45% 80% at 0% 100%,rgba(40,86,140,.30),transparent 70%),
    var(--bg);
  border-bottom:1px solid var(--line-soft);
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.6;
  background:
    repeating-linear-gradient(90deg,rgba(201,165,90,.05) 0 1px,transparent 1px 110px);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 60%);
          mask-image:linear-gradient(90deg,transparent,#000 60%);
}
.page-hero h1{max-width:22ch;margin-top:18px;}
.page-hero .lead{margin-top:20px;}
.crumb{font-size:14px;color:var(--muted);margin-bottom:6px;}
.crumb a{text-decoration:none;color:var(--gold-2);}
.crumb a:hover{text-decoration:underline;}

/* ---------- SECTION ---------- */
.section{padding:110px 0;position:relative;}
.section.tight{padding:70px 0;}
.section.navy{background:linear-gradient(180deg,var(--bg-2),var(--bg-3));}
.section.char{background:var(--char);}
.section.deco::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold) 50%,transparent);opacity:.55;
}
.title{text-align:center;margin:0 auto 56px;max-width:760px;}
.title h2{background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.title .rule{display:flex;align-items:center;justify-content:center;gap:10px;margin:18px 0 18px;}
.title .rule::before,.title .rule::after{content:"";width:46px;height:1px;background:var(--gold);}
.title .rule i{width:7px;height:7px;background:var(--gold);transform:rotate(45deg);}
.title p{color:var(--muted);margin:0 auto;max-width:60ch;}
.title.left{text-align:left;margin-left:0;}
.title.left .rule{justify-content:flex-start;}
.title.left .rule::before{display:none;}

/* ---------- THẺ ---------- */
.card{
  position:relative;padding:32px 28px;border-radius:var(--radius);
  background:linear-gradient(170deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  border:1px solid var(--line);
  transition:transform .5s var(--ease),border-color .5s var(--ease),box-shadow .5s var(--ease),background .5s var(--ease);
}
.card:hover{transform:translateY(-6px);border-color:var(--gold);box-shadow:var(--shadow);background:linear-gradient(170deg,rgba(201,165,90,.09),rgba(255,255,255,.015));}
.card h3{margin-bottom:10px;}
.card p{color:var(--muted);font-size:15.5px;margin:0;}
.icon{
  width:62px;height:62px;border-radius:50%;display:grid;place-items:center;margin-bottom:20px;
  background:radial-gradient(circle at 30% 30%,rgba(231,203,140,.18),rgba(201,165,90,.04));
  border:1px solid var(--line);color:var(--gold-2);
  transition:transform .6s var(--ease);
}
.card:hover .icon{transform:rotate(-8deg) scale(1.06);}
.icon svg{width:30px;height:30px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.center{text-align:center;}
.center .icon{margin-inline:auto;}

/* ---------- SỐ LIỆU ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.stats div{padding:34px 26px;text-align:center;background:rgba(255,255,255,.02);border-right:1px solid var(--line-soft);}
.stats div:last-child{border-right:0;}
.stats b{display:block;font-size:clamp(34px,4vw,48px);line-height:1.1;font-weight:700;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stats span{font-size:14px;color:var(--muted);}

/* ---------- CÔNG TRÌNH ---------- */
.carousel{position:relative;}
.track{
  display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 44px)/3);gap:22px;
  overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:6px 2px 24px;
  scrollbar-width:none;
}
.track::-webkit-scrollbar{display:none;}
.track > *{scroll-snap-align:start;}
.car-btn{
  position:absolute;top:38%;width:48px;height:48px;border-radius:50%;cursor:pointer;z-index:3;
  display:grid;place-items:center;color:var(--gold-2);
  background:rgba(10,21,34,.85);border:1px solid var(--line);
  transition:background .3s,transform .4s var(--ease),border-color .3s;
}
.car-btn:hover{border-color:var(--gold);transform:scale(1.08);}
.car-btn svg{width:20px;height:20px;}
.car-btn.prev{left:-24px;}
.car-btn.next{right:-24px;}

.proj{
  display:block;text-decoration:none;border-radius:var(--radius);overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line-soft);
  transition:transform .5s var(--ease),border-color .5s var(--ease),box-shadow .5s var(--ease);
}
.proj:hover{transform:translateY(-6px);border-color:var(--gold);box-shadow:var(--shadow);}
.proj .ph{border-radius:0;border:0;aspect-ratio:4/3;}
.proj:hover .ph img{transform:scale(1.06);}
.proj .body{padding:18px 20px 22px;}
.proj .kind{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);}
.proj h3{font-size:18px;margin:6px 0 8px;}
.proj .where{display:flex;gap:7px;font-size:14px;color:var(--muted);line-height:1.5;}
.proj .where svg{width:15px;height:15px;flex:none;margin-top:3px;color:var(--gold);}
.proj .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;}
.tag{font-size:12.5px;padding:4px 10px;border-radius:999px;border:1px solid var(--line-soft);color:#CBD2DB;background:rgba(255,255,255,.03);}

.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.filters{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:40px;}
.filters button{
  font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;color:var(--text);
  padding:10px 18px;border-radius:999px;background:rgba(255,255,255,.03);border:1px solid var(--line-soft);
  transition:all .35s var(--ease);
}
.filters button:hover{border-color:var(--gold);color:var(--gold-2);}
.filters button.on{background:var(--gold-grad);color:#1B1407;border-color:transparent;}
.filters button small{opacity:.7;font-size:12px;margin-left:4px;}
.empty{text-align:center;color:var(--muted);padding:30px 0;}

.plist{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;font-size:15px;}
.plist th{text-align:left;font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-2);padding:16px 18px;background:rgba(201,165,90,.07);border-bottom:1px solid var(--line);}
.plist td{padding:15px 18px;border-bottom:1px solid var(--line-soft);vertical-align:top;color:#D6DCE3;}
.plist tr:last-child td{border-bottom:0;}
.plist tbody tr{transition:background .3s;}
.plist tbody tr:hover{background:rgba(201,165,90,.05);}
.plist td:first-child{color:var(--text);font-weight:500;}
.plist td a{color:var(--gold-2);text-decoration:none;}
.plist td a:hover{text-decoration:underline;}
.plist .num{text-align:center;white-space:nowrap;}

/* ---------- CHI TIẾT CÔNG TRÌNH ---------- */
.detail-top{display:grid;grid-template-columns:1.45fr 1fr;gap:34px;align-items:start;}
.spec{
  margin:0;border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;
  background:linear-gradient(170deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
}
.spec div{display:grid;grid-template-columns:130px 1fr;gap:14px;padding:14px 22px;border-bottom:1px solid var(--line-soft);}
.spec div:last-child{border-bottom:0;}
.spec dt{font-size:13.5px;color:var(--gold-2);}
.spec dd{margin:0;font-size:15.5px;}
.story{font-size:19px;line-height:1.85;color:#D8DEE6;}
.story p{margin-bottom:20px;}
.quote-mark{font-size:80px;line-height:.6;color:var(--gold);opacity:.5;font-family:Georgia,serif;display:block;margin-bottom:8px;}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.gallery .ph{aspect-ratio:3/4;}

/* ---------- KHỐI CHIA ĐÔI ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.split.rev .split-media{order:2;}
.split-media{position:relative;}
.split-media .ph{aspect-ratio:4/3;border-radius:var(--radius);}
.split-media::before{
  content:"";position:absolute;inset:18px -18px -18px 18px;border-radius:var(--radius);
  border:1px solid var(--line);z-index:-1;
}
.split.rev .split-media::before{inset:18px 18px -18px -18px;}
.split-num{font-size:14px;font-weight:600;color:var(--gold);letter-spacing:.12em;margin-bottom:12px;display:block;}
.split h2{margin-bottom:18px;}
.split p{color:var(--muted);}

/* ---------- DANH SÁCH ---------- */
.checklist{list-style:none;padding:0;margin:22px 0 0;}
.checklist li{position:relative;padding:12px 0 12px 36px;border-bottom:1px solid var(--line-soft);color:#D2D8E0;font-size:16px;}
.checklist li::before{
  content:"";position:absolute;left:0;top:15px;width:20px;height:20px;border-radius:50%;
  background:rgba(201,165,90,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E7CB8C' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L19 7'/%3E%3C/svg%3E") center/12px no-repeat;
  border:1px solid var(--line);
}
.steps{counter-reset:s;display:grid;gap:14px;margin-top:26px;}
.steps > div{
  counter-increment:s;position:relative;padding:20px 22px 20px 78px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.025);border:1px solid var(--line-soft);
  transition:border-color .4s var(--ease),transform .4s var(--ease);
}
.steps > div:hover{border-color:var(--line);transform:translateX(4px);}
.steps > div::before{
  content:counter(s,decimal-leading-zero);position:absolute;left:22px;top:18px;
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:#1B1407;background:var(--gold-grad);
}
.steps h4{margin-bottom:4px;}
.steps p{margin:0;font-size:15px;color:var(--muted);}

.timeline{position:relative;margin-top:10px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;background:linear-gradient(var(--gold),transparent);}
.timeline > div{position:relative;padding:0 0 34px 46px;}
.timeline > div::before{
  content:"";position:absolute;left:0;top:6px;width:19px;height:19px;border-radius:50%;
  background:var(--bg);border:2px solid var(--gold);box-shadow:0 0 0 5px rgba(201,165,90,.12);
}
.timeline b{display:block;color:var(--gold-2);font-size:15px;letter-spacing:.06em;margin-bottom:4px;}
.timeline span{color:#D2D8E0;}

/* ---------- BLOG ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post{display:block;text-decoration:none;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-soft);background:var(--bg-2);transition:transform .5s var(--ease),border-color .5s var(--ease);}
.post:hover{transform:translateY(-6px);border-color:var(--gold);}
.post .ph{border-radius:0;border:0;aspect-ratio:16/10;}
.post:hover .ph img{transform:scale(1.06);}
.post .body{padding:18px 20px 22px;}
.post time{font-size:13px;color:var(--gold);}
.post h3{font-size:17px;margin-top:6px;line-height:1.45;}
.posts-fallback{grid-column:1/-1;text-align:center;padding:40px 24px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:26px;padding:64px 56px;
  background:
    radial-gradient(60% 120% at 100% 0%,rgba(201,165,90,.28),transparent 60%),
    linear-gradient(135deg,#132842,#0B1829);
  border:1px solid var(--line);
  display:grid;grid-template-columns:1.3fr auto;gap:40px;align-items:center;
}
.cta h2{margin-bottom:12px;}
.cta p{color:#C9D1DC;margin:0;max-width:56ch;}
.cta .btn-row{margin-top:0;flex-direction:column;align-items:stretch;}

/* ---------- LIÊN HỆ ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start;}
.info{padding:34px 30px;}
.field{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line-soft);}
.field:last-child{border-bottom:0;}
.field .icon{width:44px;height:44px;margin:0;flex:none;}
.field .icon svg{width:20px;height:20px;}
.field span{display:block;font-size:13px;color:var(--gold-2);}
.field a,.field p{text-decoration:none;margin:0;font-size:16px;}
.field a:hover{color:var(--gold-2);}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:21/9;}
.map iframe{width:100%;height:100%;border:0;filter:grayscale(.35) contrast(1.05);}

.lead-form{padding:34px 30px;}
.lead-form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.lead-form label{display:block;font-size:13.5px;color:var(--gold-2);margin:16px 0 7px;}
.lead-form input,.lead-form select,.lead-form textarea{
  width:100%;font:inherit;font-size:16px;color:var(--text);
  background:rgba(8,16,27,.7);border:1px solid var(--line-soft);border-radius:12px;padding:13px 15px;
  transition:border-color .3s,box-shadow .3s;
}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:0;border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,165,90,.12);}
.lead-form textarea{min-height:110px;resize:vertical;}
.lead-form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.lead-form button{margin-top:24px;width:100%;}
.form-msg{font-size:14.5px;margin:14px 0 0;min-height:22px;}
.form-msg.ok{color:var(--gold-2);}
.form-msg.err{color:#F0A08A;}

/* ---------- FOOTER ---------- */
.site-footer{background:#070F19;border-top:1px solid var(--line-soft);padding:80px 0 0;font-size:15px;color:var(--muted);}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.site-footer h4{color:var(--gold-2);font-size:15px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px;}
.site-footer ul{list-style:none;margin:0;padding:0;}
.site-footer li{margin-bottom:10px;}
.site-footer a{text-decoration:none;transition:color .3s;}
.site-footer a:hover{color:var(--gold-2);}
.foot-brand b{display:block;font-size:20px;color:var(--text);letter-spacing:.04em;margin-bottom:12px;}
.foot-brand p{margin:0 0 8px;line-height:1.6;}
.socials{display:flex;gap:10px;margin-top:6px;}
.socials a{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);color:var(--gold-2);font-size:13px;font-weight:700;}
.socials a:hover{background:var(--gold-grad);color:#1B1407;border-color:transparent;}
.socials svg{width:18px;height:18px;}
.foot-bottom{margin-top:60px;padding:22px 0;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13.5px;color:var(--faint);}

/* ---------- NÚT NỔI ---------- */
.float-contact{position:fixed;right:20px;bottom:20px;z-index:80;display:flex;flex-direction:column;gap:12px;}
.float-contact a{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;text-decoration:none;
  box-shadow:0 10px 26px rgba(0,0,0,.4);transition:transform .4s var(--ease);position:relative;
}
.float-contact a:hover{transform:scale(1.08);}
.float-contact .zalo{background:#0068FF;color:#fff;font-weight:800;font-size:14px;letter-spacing:.02em;}
.float-contact .call{background:var(--gold-grad);color:#1B1407;}
.float-contact .call svg{width:24px;height:24px;}
.float-contact .call::after{
  content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--gold);
  animation:ring 2.4s var(--ease) infinite;
}
@keyframes ring{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.55);opacity:0}}

/* ---------- HIỆU ỨNG XUẤT HIỆN ---------- */
.js [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.js [data-reveal].in{opacity:1;transform:none;}
.js [data-reveal][data-d="1"]{transition-delay:.08s;}
.js [data-reveal][data-d="2"]{transition-delay:.16s;}
.js [data-reveal][data-d="3"]{transition-delay:.24s;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .js [data-reveal]{opacity:1;transform:none;}
}

/* ---------- MÀN HÌNH NHỎ ---------- */
@media (max-width:1180px){
  .nav-toggle{display:block;}
  .header-cta{display:none;}
  .menu{
    position:fixed;left:0;right:0;top:var(--header);margin:0;
    flex-direction:column;align-items:stretch;gap:0;padding:12px 24px 28px;
    background:rgba(8,17,28,.98);border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s;
    max-height:calc(100vh - var(--header));overflow-y:auto;
  }
  .nav-open .menu{transform:none;opacity:1;visibility:visible;}
  .menu a{padding:15px 4px;font-size:17px;border-bottom:1px solid var(--line-soft);}
  .menu a::after{display:none;}
  .menu .menu-cta{display:block;margin-top:16px;}
  .menu .menu-cta a{border:0;text-align:center;color:#1B1407;opacity:1;font-weight:600;}
}
@media (min-width:1181px){ .menu .menu-cta{display:none;} }
@media (max-width:1040px){
  .service-cards,.grid-3,.projects,.posts{grid-template-columns:repeat(2,1fr);}
  .grid-4,.stats{grid-template-columns:repeat(2,1fr);}
  .stats div:nth-child(2){border-right:0;}
  .stats div:nth-child(-n+2){border-bottom:1px solid var(--line-soft);}
  .track{grid-auto-columns:calc((100% - 22px)/2);}
  .split,.detail-top,.contact-grid{grid-template-columns:1fr;gap:40px;}
  .split.rev .split-media{order:0;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .cta{grid-template-columns:1fr;padding:48px 36px;}
  .cta .btn-row{flex-direction:row;}
  .hero-badge{display:none;}
}
@media (max-width:720px){
  :root{--header:70px;}
  body{font-size:16px;}
  .brand img,.logo-slot{height:46px;}
  .logo-slot{min-width:118px;}
  .section{padding:76px 0;}
  .hero{padding-bottom:120px;min-height:auto;}
  .service-strip{margin-top:-80px;}
  .service-cards,.grid-3,.grid-2,.grid-4,.projects,.posts,.gallery{grid-template-columns:1fr;}
  .svc{grid-template-columns:96px 1fr;}
  .track{grid-auto-columns:84%;}
  .car-btn{display:none;}
  .foot-grid{grid-template-columns:1fr;}
  .lead-form .row{grid-template-columns:1fr;}
  .spec div{grid-template-columns:1fr;gap:2px;}
  .plist thead{display:none;}
  .plist,.plist tbody,.plist tr,.plist td{display:block;width:100%;}
  .plist tr{padding:14px 16px;border-bottom:1px solid var(--line-soft);}
  .plist td{padding:2px 0;border:0;}
  .plist .num{text-align:left;}
  .plist td[data-th]::before{content:attr(data-th) ": ";color:var(--faint);font-size:13px;}
  .map{aspect-ratio:4/3;}
  .float-contact{right:14px;bottom:14px;}
  .float-contact a{width:50px;height:50px;}
}

/* ---------- KHI CHƯA CÓ ẢNH ---------- */
html:not(.show-ph) .ph.missing::after{display:none;}
html:not(.show-ph) .ph.missing{
  background:
    radial-gradient(80% 90% at 70% 20%,rgba(201,165,90,.22),transparent 65%),
    linear-gradient(160deg,#16304D,#0C1A2B 70%);
}
html:not(.show-ph) .ph.missing::before{
  content:"";position:absolute;left:50%;top:18%;bottom:0;width:34%;transform:translateX(-50%);
  border:1px solid rgba(231,203,140,.35);border-bottom:0;border-radius:6px 6px 0 0;
  background:linear-gradient(90deg,transparent 49.5%,rgba(231,203,140,.35) 49.5% 50.5%,transparent 50.5%);
}
html:not(.show-ph) .svc .ph.missing,
html:not(.show-ph) .split-media:has(.ph.missing),
html:not(.show-ph) .card .ph.r11.missing{display:none;}
html:not(.show-ph) .svc:has(.ph.missing){grid-template-columns:1fr;}
html:not(.show-ph) .split:has(.split-media .ph.missing){grid-template-columns:1fr;max-width:820px;}
html:not(.show-ph) .detail-top:has(.ph.missing){grid-template-columns:1fr;max-width:820px;}
html:not(.show-ph) .detail-top .ph.missing{display:none;}
html:not(.show-ph) section.no-media{display:none;}
html:not(.show-ph) .hero-bg.missing{display:none;}
.logo-slot em{font-style:normal;font-size:10px;letter-spacing:.3em;color:var(--muted);order:-1;}
html:not(.show-ph) .logo-slot{border-style:solid;border-color:var(--line);}
html:not(.show-ph) .logo-slot .ph-hint{display:none;}
html.show-ph .logo-slot em{display:none;}