/* ===== Chiến dịch 120 ngày đêm – VNPT Tây Ninh ===== */
:root{
  --navy-900:#06183A; --navy-800:#0A2A5E; --navy-700:#0F3D82; --navy-600:#1C3F78; --navy-line:#2A5BA6;
  --blue:#0057B8; --blue-dark:#003E85; --cyan:#3CC8F5; --cyan-soft:#9FD8F2;
  --text:#0F1E36; --text-2:#24344F; --muted:#4A5B78; --on-dark:#C9DBF3; --on-dark-2:#A9C3E8;
  --bg-soft:#F4F7FB; --bg-tint:#EEF4FB; --line:#DCE4EF; --line-2:#E1E7F0;
  --good:#0A6B3D; --bad:#B3261E; --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text);font:16px/1.55 'Be Vietnam Pro',system-ui,sans-serif}
a{color:var(--blue)} a:hover{color:var(--blue-dark)}
h1,h2,h3,p{margin:0}
.container{max-width:1200px;margin:0 auto;padding:88px 24px;display:flex;flex-direction:column;gap:40px}
.num{font-variant-numeric:tabular-nums}

/* Header */
.site-header{background:var(--navy-800);border-bottom:1px solid var(--navy-600)}
.banner{background:#1A3BA0}
.banner img{display:block;width:100%;max-width:1512px;height:auto;margin:0 auto}
.nav{max-width:1200px;margin:0 auto;padding:8px 24px;display:flex;flex-wrap:wrap;justify-content:center;gap:4px 24px}
.nav a{color:#D7E6FA;text-decoration:none;font-size:15px;font-weight:500;padding:10px 4px}
.nav a:hover{color:#fff}

/* Section head */
.eyebrow{color:var(--blue);font-weight:700;font-size:14px;letter-spacing:.08em}
.sec-title{font-size:clamp(28px,3.6vw,42px);line-height:1.2;font-weight:800;color:var(--navy-800)}
.sec-head{display:flex;flex-direction:column;gap:10px}
.dark{background:var(--navy-800);color:#fff}
.dark .eyebrow{color:var(--cyan)} .dark .sec-title{color:#fff}
.soft{background:var(--bg-soft)}
.unit-note{font-weight:500;color:var(--muted);font-size:14px}
h3.sub{font-size:18px;font-weight:700;color:var(--navy-800)}

/* Hero */
.hero{background:linear-gradient(180deg,var(--navy-900) 0%,var(--navy-800) 62%,var(--navy-700) 100%);color:#fff;overflow:hidden}
.hero-inner{max-width:1200px;margin:0 auto;padding:88px 24px 96px;display:flex;flex-wrap:wrap;gap:48px;align-items:center;justify-content:space-between}
.hero-main{flex:999 1 560px;min-width:0;display:flex;flex-direction:column;gap:22px}
.pill{display:inline-flex;align-self:flex-start;padding:8px 16px;border-radius:20px;border:1px solid #3D6BB3;color:var(--cyan-soft);font-size:14px;font-weight:600;letter-spacing:.04em}
.hero h1{font-size:clamp(40px,6vw,72px);line-height:1.05;font-weight:800;letter-spacing:-.01em}
.hero h1 span{color:var(--cyan)}
.hero-sub{font-size:20px;color:var(--on-dark);font-weight:500}
.hero-big{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px;margin-top:12px}
.hero-big b{font-size:clamp(52px,8vw,96px);font-weight:800;line-height:1}
.hero-big span{font-size:18px;color:var(--cyan-soft);font-weight:600}
.hero-desc{color:var(--on-dark);font-size:17px;max-width:560px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}
.btn{min-height:48px;padding:0 26px;display:inline-flex;align-items:center;border-radius:24px;font-weight:700;text-decoration:none}
.btn-primary{background:var(--cyan);color:var(--navy-900)} .btn-primary:hover{color:var(--navy-900);filter:brightness(1.08)}
.btn-ghost{border:1.5px solid var(--cyan-soft);color:#fff;font-weight:600} .btn-ghost:hover{color:#fff;background:rgba(255,255,255,.08)}
.hero-side{flex:1 1 300px;display:flex;flex-direction:column;align-items:center;gap:16px}
.big120{font-size:clamp(140px,18vw,240px);font-weight:800;line-height:.9;color:transparent;-webkit-text-stroke:2px var(--cyan);letter-spacing:-.04em}
.countdown{background:var(--navy-700);border:1px solid var(--navy-line);border-radius:16px;padding:18px 28px;text-align:center;min-width:240px}
.countdown small{display:block;font-size:13px;color:var(--cyan-soft);font-weight:600;letter-spacing:.06em}
.countdown div{display:flex;align-items:baseline;justify-content:center;gap:8px;margin-top:4px}
.countdown b{font-size:52px;font-weight:800;line-height:1.1}
.countdown span{font-size:18px;color:var(--on-dark);font-weight:600}
.daynight{height:8px;background:linear-gradient(90deg,#FFD36B 0%,var(--cyan) 40%,var(--navy-700) 75%,var(--navy-900) 100%)}

/* Cards & grids */
.grid{display:grid;gap:20px}
.g-280{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g-260{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.g-340{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.g-250{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.g-210{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.card{border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:10px}
.card-navy{background:var(--navy-800);color:#fff}
.card-tint{background:var(--bg-tint)}
.card-white{background:#fff}
.card-line{border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:10px;background:#fff}
.kpi-label{font-size:15px;color:var(--muted);font-weight:500}
.card-navy .kpi-label{color:var(--on-dark)}
.kpi-val{font-size:48px;font-weight:800;color:var(--navy-800)}
.card-navy .kpi-val{color:#fff}
.kpi-unit{font-size:15px;color:var(--cyan-soft)}
.bar{height:10px;background:#D3E0F1;border-radius:5px;overflow:hidden}
.bar>i{display:block;height:100%;background:var(--blue);border-radius:5px}
.bar.sm{height:8px;background:#E4EBF5}
.svc-name{font-weight:600;color:var(--navy-800)}
.svc-val{font-size:30px;font-weight:800}
.svc-meta{display:flex;justify-content:space-between;gap:8px;font-size:14px;color:var(--muted)}
.svc-meta strong{color:var(--navy-800)}
.up{color:var(--good)!important} .down{color:var(--bad)!important}
.footnote{font-size:14px;color:var(--muted)}

/* Section 3 */
.row{display:flex;flex-wrap:wrap;gap:24px}
.chart-card{flex:999 1 560px;min-width:0}
.chart{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;align-items:end;height:300px;border-bottom:2px solid var(--navy-800);padding-top:8px}
.chart .col{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:8px;height:100%}
.chart .col b{font-weight:700;font-size:17px;color:var(--navy-800)}
.chart .col i{display:block;width:100%;max-width:120px;border-radius:10px 10px 0 0}
.chart-labels{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;text-align:center;font-weight:600;color:var(--muted)}
.chart-total{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px;padding-top:8px;border-top:1px solid var(--line-2)}
.chart-total b{font-size:28px;font-weight:800;color:var(--navy-800)}
.goal-card{flex:1 1 320px;gap:18px}
.goal-card .mini{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.goal-card .mini div{background:var(--navy-700);border-radius:12px;padding:14px}
.goal-card .mini small{display:block;font-size:13px;color:var(--on-dark)}
.goal-card .mini b{font-size:26px;font-weight:800}
.goal-card .bar{background:var(--navy-600)} .goal-card .bar>i{background:var(--cyan)}
.goal-card p{font-size:14px;color:var(--on-dark);border-top:1px solid var(--navy-line);padding-top:14px}
.goal-card p strong{color:#fff}

.tbl-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px}
.tabs{display:flex;flex-wrap:wrap;gap:8px}
.tabbtn{min-height:44px;padding:0 20px;border-radius:22px;border:1px solid #C6D3E6;background:#fff;color:var(--navy-800);font:600 15px 'Be Vietnam Pro',sans-serif;cursor:pointer}
.tabbtn[aria-pressed="true"]{background:var(--navy-800);color:#fff;border-color:var(--navy-800)}
.tbl-wrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:16px;min-width:760px}
.tbl th{text-align:right;font-weight:600;color:var(--muted);font-size:14px;padding:12px 14px;border-bottom:2px solid var(--navy-800);white-space:nowrap}
.tbl th:first-child,.tbl td:first-child{text-align:left}
.tbl td{text-align:right;padding:14px;border-bottom:1px solid var(--line-2);font-variant-numeric:tabular-nums}
.tbl td:first-child{font-weight:600}
.tbl td.hl{font-weight:700;color:var(--blue)}
.tbl td.peak{background:var(--navy-800);color:#fff;font-weight:800}
.tbl tr.sum td{font-weight:700;border-bottom:none;background:var(--bg-tint)}

details.box{background:#fff;border-radius:var(--radius);padding:22px 28px}
details.box.bordered{border:1px solid var(--line)}
details.box summary{cursor:pointer;font-weight:700;color:var(--navy-800);font-size:17px;min-height:32px}
.detail-grid{margin-top:18px}
.detail-grid .card-line div:first-child{font-weight:700;color:var(--navy-800)}

/* Section 4 */
.focus{border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:14px}
.focus header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.focus h3{font-size:20px;font-weight:700;color:var(--navy-800)}
.tag{padding:4px 12px;border-radius:14px;background:var(--bg-tint);color:var(--blue);font-size:13px;font-weight:600;white-space:nowrap}
ul.list{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px;color:var(--text-2);font-size:15px}

/* Section 5 */
.principle{background:var(--navy-700);border:1px solid var(--navy-line);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:12px}
.principle b{font-size:32px;font-weight:800;color:var(--cyan);line-height:1}
.principle h3{font-size:18px;font-weight:700}
.principle p{font-size:15px;color:var(--on-dark)}

/* Section 6 */
.director{background:var(--navy-800);color:#fff;border-radius:var(--radius);padding:24px 28px;display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center}
.director small{font-size:14px;color:var(--cyan-soft);font-weight:600;letter-spacing:.06em}
.director b{font-size:22px;font-weight:800}
.director span{color:var(--on-dark)}
.deputy{border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:10px}
.deputy small{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.06em}
.deputy b{font-size:19px;font-weight:800;color:var(--navy-800)}
.units{display:flex;flex-wrap:wrap;gap:20px}
.unit-list{flex:1 1 280px;display:flex;flex-direction:column;gap:8px}
.unitbtn{min-height:48px;padding:10px 16px;border-radius:10px;border:1px solid #C6D3E6;background:#fff;color:var(--navy-800);font:600 15px 'Be Vietnam Pro',sans-serif;cursor:pointer;text-align:left}
.unitbtn[aria-pressed="true"]{background:var(--blue);color:#fff;border-color:var(--blue)}
.unit-detail{flex:999 1 480px;min-width:0;background:var(--bg-tint);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:14px;align-self:flex-start}
.unit-detail small{font-size:13px;color:var(--blue);font-weight:700;letter-spacing:.06em}
.unit-detail h4{margin:0;font-size:24px;font-weight:800;color:var(--navy-800)}
.unit-detail ul.list{font-size:16px;gap:10px}

/* Section 7 */
.rhythm{background:#fff;border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:12px}
.rhythm h3{font-size:20px;font-weight:800;color:var(--navy-800)}
.rhythm p{color:var(--text-2);font-size:15px}
.badge{padding:3px 10px;border-radius:12px;background:#FFF1D6;color:#7A4B00;font-size:13px;font-weight:700}

/* Section 8 */
.basis{padding:72px 24px}
.basis ul.list{margin-top:18px;gap:10px}

/* Section 9 */
.closing{background:linear-gradient(180deg,var(--navy-800) 0%,var(--navy-900) 100%);color:#fff}
.closing .container{padding-bottom:56px;align-items:center;text-align:center;gap:32px}
.closing h2{font-size:clamp(32px,4.5vw,52px);line-height:1.15;font-weight:800}
.contact{background:var(--navy-700);border:1px solid var(--navy-line);border-radius:var(--radius);padding:24px 32px;display:flex;flex-direction:column;gap:6px;max-width:560px;width:100%}
.contact small{font-size:14px;color:var(--cyan-soft);font-weight:600;letter-spacing:.06em}
.contact b{font-size:20px}
.contact a{color:var(--cyan);font-size:24px;font-weight:800;text-decoration:none;min-height:44px;display:inline-flex;align-items:center;justify-content:center}
.totop{min-height:44px;padding:0 22px;display:inline-flex;align-items:center;border-radius:22px;border:1px solid #6F93C9;color:#fff;text-decoration:none;font-weight:600}
.totop:hover{color:#fff;background:rgba(255,255,255,.08)}
.site-footer{border-top:1px solid var(--navy-600)}
.site-footer div{max-width:1200px;margin:0 auto;padding:20px 24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--on-dark-2);font-size:14px}
.site-footer b{color:#fff}

@media (max-width:600px){
  .container{padding:64px 16px}
  .hero-inner{padding:56px 16px 64px}
  .nav{padding:6px 16px}
}