/* ==========================================================
   CHIẾN DỊCH 120 NGÀY ĐÊM – VNPT TÂY NINH
   ========================================================== */
:root{
  --blue:#0060B6;        /* xanh chủ đạo */
  --navy:#0B2470;        /* xanh đậm */
  --hero:#2552D6;        /* màu đáy banner, nối liền ảnh */
  --accent:#F7941D;      /* cam nhấn */
  --ink:#1B2A4A;
  --ink-2:#3B4C6B;
  --muted:#5A6A88;
  --line:#E3EAF5;
  --soft:#F4F8FF;
  --bg:#F3F6FB;
  --ok-bg:#E3F6EC; --ok:#0F6B3B;
  --warn-bg:#FFF0DD; --warn:#9A4A00;
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Be Vietnam Pro',system-ui,sans-serif;line-height:1.4;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue)}
section{scroll-margin-top:72px}
.container{max-width:1240px;margin:0 auto;padding:72px 16px}
.bg-white{background:#fff}
.num{font-variant-numeric:tabular-nums}
.unit{font-size:13px;color:var(--muted)}

/* ---------- Section heading ---------- */
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--blue)}
.h2{margin:8px 0 28px;font-size:clamp(26px,3.4vw,38px);font-weight:800;color:var(--navy);line-height:1.15}
.h2.tight{margin-bottom:8px}
.h3{margin:40px 0 16px;font-size:20px;color:var(--navy)}
.h3 small{font-size:14px;font-weight:500;color:var(--muted)}

/* ---------- Grid helpers ---------- */
.grid{display:grid;gap:16px}
.g-160{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.g-240{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.g-260{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g-270{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.g-280{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g-300{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g-320{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.mt16{margin-top:16px}.mt24{margin-top:24px}

/* ---------- 0. NAV ---------- */
.nav{position:sticky;top:0;z-index:50;background:var(--navy);box-shadow:0 2px 12px rgba(11,36,112,.25)}
.nav__inner{max-width:1240px;margin:0 auto;padding:0 16px;height:64px;display:flex;align-items:center;gap:16px}
.nav__logo img{height:26px;width:auto}
.nav__links{display:flex;gap:2px;overflow-x:auto;flex:1 1 auto;min-width:0;scrollbar-width:none}
.nav__links::-webkit-scrollbar{display:none}
.nav__links a{color:#DCE6FF;text-decoration:none;font-size:14px;font-weight:500;padding:10px 12px;border-radius:999px;white-space:nowrap}
.nav__links a:hover,.nav__links a.active{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 1. HERO ---------- */
.hero{background:var(--hero);color:#fff}
.hero__banner{width:100%;height:auto}
.hero__body{background:linear-gradient(180deg,var(--hero) 0%,#1A3BA8 45%,var(--navy) 100%);position:relative;overflow:hidden}
.hero__waves{position:absolute;inset:0;width:100%;height:100%;opacity:.18}
.hero__inner{position:relative;max-width:1240px;margin:0 auto;padding:48px 16px 64px;display:flex;flex-wrap:wrap;gap:40px}
.hero__left{flex:999 1 520px;min-width:0;display:flex;flex-direction:column;gap:20px}
.hero__right{flex:1 1 360px;min-width:0;display:flex;flex-direction:column;gap:16px}
.pill{align-self:flex-start;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;letter-spacing:.12em}
.hero h1{margin:0;font-size:clamp(40px,7vw,76px);line-height:1.02;font-weight:800;letter-spacing:-.02em}
.hero h1 span{color:var(--accent)}
.hero__sub{margin:0;font-size:clamp(16px,2vw,20px);line-height:1.5;color:#DCE6FF;max-width:620px}
.stat-glass{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:16px;padding:16px}
.stat-glass .l{font-size:13px;color:#C9D8FF}
.stat-glass .v{font-size:26px;font-weight:800;margin-top:4px}
.stat-glass .u{font-size:12px;color:#C9D8FF}
.hero__stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-top:8px}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:16px;padding:14px 24px;border-radius:999px;min-height:48px}
.btn--accent{background:var(--accent);color:var(--navy)}
.btn--ghost{color:#fff;border:1px solid rgba(255,255,255,.4);font-weight:600;font-size:15px}
.big-card{background:#fff;color:var(--navy);border-radius:var(--radius);padding:28px;box-shadow:0 20px 50px rgba(5,20,70,.35)}
.big-card .k{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--blue)}
.big-card .v{font-size:clamp(48px,6vw,68px);font-weight:800;line-height:1.05;margin-top:10px;letter-spacing:-.02em}
.big-card .u{font-size:15px;font-weight:600;color:var(--ink-2)}
.big-card .d{font-size:14px;color:var(--ink-2);margin-top:12px;line-height:1.5}
.countdown{background:rgba(5,20,70,.45);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:20px 22px}
.countdown__t{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#C9D8FF}
.countdown__g{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:12px;text-align:center}
.countdown__g b{display:block;font-size:34px;font-weight:800}
.countdown__g b.accent{color:var(--accent)}
.countdown__g span{font-size:12px;color:#C9D8FF}

/* ---------- 2. CĂN CỨ ---------- */
.timeline{list-style:none;margin:0 0 0 15px;padding:0;border-left:2px solid #D5E3F7}
.timeline li{position:relative;padding:0 0 24px 32px}
.timeline .n{position:absolute;left:-17px;top:0;width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}
.timeline .box{background:var(--soft);border-radius:16px;padding:16px 20px}
.timeline .code{font-weight:700;color:var(--navy);font-size:16px}
.timeline .txt{font-size:15px;color:var(--ink-2);margin-top:4px;line-height:1.5}

/* ---------- Cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}
.card--soft{background:var(--soft);border:0}
.card--navy{background:var(--navy);color:#fff;border:0;border-radius:var(--radius);padding:28px}
.total .name{font-size:15px;color:#C9D8FF;font-weight:500}
.total .v{font-size:clamp(38px,5vw,52px);font-weight:800;margin-top:6px;letter-spacing:-.02em}
.total .u{font-size:13px;color:#C9D8FF}
.total .row{display:flex;justify-content:space-between;margin-top:10px;font-size:14px}
.bar{height:8px;background:#E5EEFC;border-radius:999px;overflow:hidden}
.bar--dark{height:10px;background:rgba(255,255,255,.15);margin-top:18px}
.bar i{display:block;height:100%;border-radius:999px;background:var(--blue);width:0;transition:width 1.2s cubic-bezier(.2,.8,.2,1)}
.bar--dark i{background:var(--accent)}
.svc{display:flex;flex-direction:column;gap:10px}
.svc .name{font-size:15px;font-weight:600;color:var(--navy);min-height:42px;line-height:1.4}
.svc .v{font-size:30px;font-weight:800;color:var(--navy)}
.svc .v small{font-size:13px;font-weight:500;color:var(--muted)}
.svc .prog{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:6px}
.svc .prog b{color:var(--blue)}
.badge{display:inline-block;font-size:13px;font-weight:700;padding:5px 10px;border-radius:999px}
.badge-up{background:var(--ok-bg);color:var(--ok)}
.badge-down{background:var(--warn-bg);color:var(--warn)}
.hl-box{border-radius:var(--radius);padding:26px}
.hl-box--ok{background:#E9F7EF}.hl-box--warn{background:#FFF4E6}
.hl-box h3{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;margin:0}
.hl-box--ok h3,.hl-box--ok b{color:var(--ok)}
.hl-box--warn h3,.hl-box--warn b{color:var(--warn)}
.hl-box ul{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.hl-box li{display:flex;justify-content:space-between;gap:12px;background:#fff;border-radius:12px;padding:12px 14px;font-size:15px}
.hl-box li b{text-align:right}

/* ---------- 4. MỤC TIÊU ---------- */
.flex-wrap{display:flex;flex-wrap:wrap;gap:24px;align-items:stretch}
.col-side{flex:1 1 300px;display:flex;flex-direction:column;gap:16px}
.col-main{flex:999 1 480px;min-width:0}
.insight{display:flex;flex-direction:column;gap:14px}
.insight .l{font-size:13px;color:var(--muted)}
.insight .v{font-size:22px;font-weight:800;color:var(--navy)}
.insight .v small{font-size:13px;font-weight:500;color:var(--muted)}
.chart{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.chart__head{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:14px}
.chart__cols,.chart__labels{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(10px,3vw,32px);padding:0 4px}
.chart__cols{align-items:end;height:300px;margin-top:24px;border-bottom:2px solid #D5E3F7}
.chart__col{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:8px}
.chart__col b{font-size:clamp(12px,1.6vw,16px);font-weight:800;color:var(--navy)}
.chart__col i{width:100%;max-width:96px;background:var(--blue);border-radius:12px 12px 4px 4px;height:0;transition:height 1s cubic-bezier(.2,.8,.2,1)}
.chart__col.peak b{color:var(--warn)}
.chart__col.peak i{background:var(--accent)}
.chart__labels{padding-top:10px;text-align:center;font-size:14px;font-weight:600;color:var(--ink-2)}
.chart__sum{margin-top:16px;background:var(--soft);border-radius:12px;padding:12px 16px;display:flex;justify-content:space-between;font-size:15px}
.mini .name{font-size:14px;color:var(--ink-2);min-height:40px;line-height:1.4}
.mini .v{font-size:26px;font-weight:800;color:var(--navy);margin-top:6px}

/* ---------- 5. ĐÍCH NĂM ---------- */
.equation{display:flex;flex-wrap:wrap;align-items:center;gap:12px;background:var(--navy);color:#fff;border-radius:var(--radius);padding:24px 28px}
.equation .t{flex:1 1 180px}
.equation .t b{display:block;font-size:clamp(26px,3.5vw,38px);font-weight:800}
.equation .t span{font-size:13px;color:#C9D8FF}
.equation .op{font-size:32px;font-weight:300;color:#C9D8FF}
.equation .res{flex:1 1 220px;background:var(--accent);color:var(--navy);border-radius:18px;padding:14px 18px}
.equation .res b{display:block;font-size:clamp(28px,3.8vw,42px);font-weight:800}
.equation .res span{font-size:13px;font-weight:600}

/* ---------- Bảng ---------- */
.tbl-wrap{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tbl-foot{padding:10px 16px;font-size:13px;color:var(--muted);border-top:1px solid #E6ECF5}
.tbl{border-collapse:separate;border-spacing:0;width:100%;font-size:14px;font-variant-numeric:tabular-nums}
.tbl th{background:var(--navy);color:#fff;font-weight:600;text-align:right;padding:12px 14px;white-space:nowrap}
.tbl th:first-child{text-align:left;position:sticky;left:0;z-index:2;min-width:220px}
.tbl td{padding:11px 14px;text-align:right;white-space:nowrap;border-bottom:1px solid #E6ECF5;color:var(--ink)}
.tbl td:first-child{text-align:left;position:sticky;left:0;background:#fff;z-index:1;white-space:normal;min-width:220px;box-shadow:1px 0 0 #E6ECF5}
.tbl tr.lv0 td,.tbl tr.lv0 td:first-child{font-weight:700;background:var(--soft)}
.tbl tr.lv1 td:first-child{padding-left:30px;color:var(--ink-2)}
.tbl td.hl{color:var(--blue);font-weight:700}
.tbl .badge{font-size:13px;padding:3px 8px}

/* ---------- 6. TAB PGĐ ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:10px}
.tab{font-family:inherit;cursor:pointer;border:1px solid #D5DFEE;background:#fff;color:var(--ink);border-radius:16px;padding:14px 16px;text-align:left;display:flex;gap:12px;align-items:center;min-height:64px;flex:1 1 220px}
.tab:hover{border-color:var(--blue)}
.tab[aria-selected="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.tab .av{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;flex:0 0 44px;background:#E5EEFC;color:var(--blue)}
.tab[aria-selected="true"] .av{background:var(--accent);color:var(--navy)}
.tab .nm{display:block;font-weight:700;font-size:15px}
.tab .sub{display:block;font-size:12px;opacity:.75;margin-top:2px}
.panel{margin-top:20px;background:var(--soft);border-radius:28px;padding:clamp(18px,3vw,32px)}
.panel__head{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.panel__av{width:64px;height:64px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex:0 0 64px}
.panel__k{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:.06em}
.panel__name{font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--navy)}
.panel__field{font-size:15px;color:var(--ink-2);margin-top:2px}
.panel .tbl-wrap{margin-top:22px}
.panel__cols{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;align-items:flex-start}
.panel__left{flex:1 1 300px;min-width:0;display:flex;flex-direction:column;gap:12px}
.panel__right{flex:999 1 420px;min-width:0;display:flex;flex-direction:column;gap:12px}
.contact .lb{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--blue);letter-spacing:.04em}
.contact .r{margin-top:10px;font-size:14px;color:var(--muted)}
.contact .p{font-size:16px;font-weight:700;color:var(--navy)}
.focus h4{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--navy);font-size:16px;margin:0}
.focus ul{margin:12px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:8px;font-size:15px;line-height:1.55}
.focus ul ul{margin-top:6px;gap:4px;color:var(--ink-2);padding-left:18px}
.chip-link{display:inline-flex;align-items:center;margin-top:12px;font-weight:700;font-size:14px;padding:10px 14px;border-radius:999px;background:#E5EEFC;text-decoration:none;min-height:44px}

/* ---------- 7. HÀNG HÓA ---------- */
.solution{border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:14px}
.solution__h{display:flex;align-items:center;gap:12px}
.solution__n{width:40px;height:40px;border-radius:12px;background:var(--navy);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;flex:0 0 40px}
.solution__t{font-weight:800;font-size:17px;color:var(--navy);line-height:1.35}
.solution .k{font-size:12px;font-weight:700;color:var(--blue);letter-spacing:.06em}
.solution .x{font-size:15px;margin-top:4px;line-height:1.5}
.solution .dir{margin-top:auto;background:#FFF4E6;border-radius:14px;padding:12px 14px}
.solution .dir .k{color:var(--warn)}
.solution .dir .x{font-size:14px}
.chips-box{margin-top:16px;background:var(--navy);color:#fff;border-radius:20px;padding:20px 24px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chips span{background:rgba(255,255,255,.12);border-radius:999px;padding:8px 14px;font-size:14px}

/* ---------- 8. ĐƠN VỊ ---------- */
.unit-card{background:var(--soft);border-radius:22px;padding:22px}
.unit-card h3{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--navy);margin:0}
.unit-card ul{margin:12px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:6px;font-size:14.5px;line-height:1.55}

/* ---------- 9. NGUYÊN TẮC ---------- */
.rule{border-radius:var(--radius);padding:24px}
.rule__ic{width:52px;height:52px;border-radius:16px;background:#E5EEFC;display:flex;align-items:center;justify-content:center}
.rule__n{font-size:13px;font-weight:700;color:var(--warn);margin-top:16px}
.rule h3{font-weight:800;font-size:18px;color:var(--navy);margin:4px 0 0;line-height:1.35}
.rule p{font-size:15px;color:var(--ink-2);margin:8px 0 0;line-height:1.55}

/* ---------- 10. NHỊP ---------- */
.rhythm{background:var(--navy);color:#fff}
.rhythm .eyebrow{color:#9CC3FF}
.rhythm .h2{color:#fff;margin-bottom:32px}
.month{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:20px}
.month__h{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}
.month__dot{width:14px;height:14px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(247,148,29,.25)}
.month .l{font-size:13px;color:#C9D8FF;margin-top:12px}
.month .v{font-size:26px;font-weight:800}
.month .u{font-size:12px;color:#C9D8FF}
.fri{display:inline-flex;align-items:center;gap:6px;margin-top:12px;background:#fff;color:var(--navy);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700}
.rcard{background:#fff;color:var(--ink);border-radius:22px;padding:22px}
.rcard h3{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;color:var(--navy);margin:0}
.rcard ul{margin:14px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:6px;font-size:15px;line-height:1.55}
.cal{width:56px;height:56px;border-radius:16px;background:var(--accent);color:var(--navy);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
.cal small{font-size:10px;font-weight:700}.cal b{font-size:20px;font-weight:800}
.rcard--ghost{background:rgba(255,255,255,.08);border:1px dashed rgba(255,255,255,.4);color:#fff;display:flex;flex-direction:column;gap:12px}
.rcard--ghost h3{color:#fff}
.rcard--ghost p{font-size:15px;color:#DCE6FF;line-height:1.55;margin:0}
.btn-disabled{font-family:inherit;align-self:flex-start;background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:12px 18px;font-size:14px;font-weight:600;min-height:44px;cursor:not-allowed}

/* ---------- 11. LIÊN HỆ & FOOTER ---------- */
.contact-box{background:var(--soft);border-radius:22px;padding:24px}
.contact-box .l{font-size:13px;color:var(--muted)}
.contact-box .nm{font-size:20px;font-weight:800;color:var(--navy);margin-top:4px}
.contact-box .s{font-size:15px;color:var(--ink-2);margin-top:6px}
.btn-tel{display:inline-flex;align-items:center;gap:8px;margin-top:14px;background:var(--navy);color:#fff;text-decoration:none;font-weight:700;padding:12px 18px;border-radius:999px;min-height:44px}
.footer{background:var(--navy);color:#DCE6FF}
.footer__inner{max-width:1240px;margin:0 auto;padding:32px 16px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.footer__brand{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.footer__brand img{height:30px;width:auto}
.footer__brand b{display:block;color:#fff;letter-spacing:.04em}
.footer__brand span{font-size:13px}
.btn-top{color:#fff;font-size:14px;font-weight:600;text-decoration:none;padding:10px 16px;border:1px solid rgba(255,255,255,.35);border-radius:999px;min-height:44px;display:inline-flex;align-items:center}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .bar i,.chart__col i{transition:none}
}