/* Chiến dịch 120 ngày đêm – Viễn thông Tây Ninh */
:root {
  --blue: #2349C2;
  --blue-dark: #1B2F7A;
  --blue-header: #2741A8;
  --blue-soft: #5B7FE0;
  --blue-light: #EEF3FD;
  --blue-track: #DCE4F7;
  --blue-plan: #A9BBEA;
  --blue-pale: #D6E0FA;
  --accent: #C25A00;
  --text: #1F2937;
  --text-2: #374151;
  --muted: #4B5563;
  --line: #E3E8F2;
  --line-2: #EEF1F6;
  --line-blue: #D5DEF2;
  --bg-alt: #F6F8FC;
  --radius: 14px;
  --max: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Be Vietnam Pro', system-ui, sans-serif;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); }
a:hover { color: var(--blue-dark); }
img { max-width: 100%; }
section[id] { scroll-margin-top: 76px; }

.container { max-width: var(--max); margin: 0 auto; padding: 72px 20px; display: flex; flex-direction: column; gap: 28px; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); }

.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--blue); }
.sec-head { display: flex; flex-direction: column; gap: 8px; }
.sec-head h2 { margin: 0; font-size: clamp(26px, 3.2vw, 40px); font-weight: 800; color: var(--blue-dark); }
.unit { font-size: 14px; color: var(--muted); }

/* ===== PHẦN 1 – HEADER ===== */
.site-header { position: sticky; top: 0; z-index: 20; background: var(--blue-header); box-shadow: 0 2px 10px rgba(16,32,96,.25); }
.site-header .inner { max-width: var(--max); margin: 0 auto; padding: 10px 20px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; }
.brand:hover { color: #fff; }
.brand img { height: 40px; width: auto; display: block; }
.brand span { font-weight: 700; font-size: 15px; letter-spacing: .06em; border-left: 1px solid rgba(255,255,255,.45); padding-left: 12px; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 2px; font-size: 14px; font-weight: 500; }
.nav a { color: #fff; text-decoration: none; padding: 10px; border-radius: 6px; }
.nav a:hover { background: rgba(255,255,255,.14); color: #fff; }

/* ===== PHẦN 2 – HERO ===== */
.hero-banner { background: var(--blue-header); }
.hero-banner img { display: block; width: 100%; max-width: 1512px; height: auto; margin: 0 auto; }
.hero .container { padding-top: 56px; }
.hero h1 { margin: 0; font-size: clamp(36px, 6vw, 72px); line-height: 1.05; font-weight: 800; color: var(--blue-dark); letter-spacing: -.01em; }
.hero .lead { margin: 0; max-width: 820px; font-size: clamp(16px, 1.6vw, 20px); line-height: 1.6; color: var(--text-2); }
.hero-number { display: flex; flex-direction: column; gap: 6px; padding: 28px 0 8px; border-top: 1px solid var(--line); }
.hero-number .row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; }
.hero-number .big { font-size: clamp(56px, 11vw, 132px); line-height: 1; font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.hero-number .big-unit { font-size: clamp(18px, 2vw, 26px); font-weight: 600; color: var(--blue-dark); }
.hero-number .cap { font-size: clamp(15px, 1.4vw, 18px); color: var(--text-2); font-weight: 500; }

.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.stat { background: var(--blue-light); border-radius: 12px; padding: 20px 22px; display: flex; flex-direction: column; gap: 6px; }
.stat .v { font-size: 28px; font-weight: 700; color: var(--blue-dark); }
.stat .v small { font-size: 15px; font-weight: 600; }
.stat .l { font-size: 14px; color: var(--text-2); }

.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; min-height: 48px; padding: 0 26px; border-radius: 8px; font-weight: 700; font-size: 16px; text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { color: #fff; filter: brightness(.95); }
.btn-outline { border: 2px solid var(--blue); color: var(--blue); }

/* ===== THẺ CHUNG ===== */
.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.card-blue { background: var(--blue); color: #fff; border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.card-white { background: #fff; border: 1px solid var(--line-blue); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.kpi-title { font-size: 15px; font-weight: 600; }
.kpi-value { font-size: clamp(36px, 4.4vw, 52px); font-weight: 800; line-height: 1.05; }
.kpi-value small { font-size: 16px; font-weight: 600; }
.kpi-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 15px; }
.card-white .kpi-value { color: var(--blue-dark); }
.card-white .kpi-title, .card-white .kpi-meta { color: var(--text-2); }

.bar { height: 8px; background: var(--blue-track); border-radius: 4px; overflow: hidden; }
.bar > div { height: 100%; background: var(--blue); }
.card-blue .bar { background: rgba(255,255,255,.25); }
.card-blue .bar > div { background: #fff; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }

/* PHẦN 3 – thẻ dịch vụ */
.svc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.svc { padding: 18px; display: flex; flex-direction: column; gap: 8px; }
.svc .top { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.svc .name { font-size: 14px; font-weight: 600; line-height: 1.35; }
.tag { font-size: 11px; font-weight: 600; color: var(--blue); background: var(--blue-light); border-radius: 4px; padding: 2px 6px; white-space: nowrap; }
.svc .th { font-size: 24px; font-weight: 700; color: var(--blue-dark); }
.svc .kh { font-size: 12px; color: var(--muted); }
.svc .foot { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-2); }

.list-card { padding: 24px; display: flex; flex-direction: column; gap: 14px; border-radius: var(--radius); }
.list-card h3 { margin: 0; font-size: 18px; font-weight: 700; color: var(--blue-dark); }
.list-card h3 span { font-size: 13px; font-weight: 500; color: var(--muted); }
.list-row { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line-2); font-size: 15px; }
.list-row:last-child { border-bottom: 0; padding-bottom: 0; }
.list-row b { color: var(--blue-dark); }

/* PHẦN 4 – biểu đồ cột */
.split { display: flex; flex-wrap: wrap; gap: 24px; }
.split .main { flex: 999 1 560px; min-width: 0; }
.split .side { flex: 1 1 280px; display: flex; flex-direction: column; gap: 16px; }
.chart-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 18px; }
.chart-title { font-size: 16px; font-weight: 700; color: var(--blue-dark); }
.chart-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.chart-head .sum { font-size: 14px; color: var(--text-2); }
.chart-head .sum b { color: var(--blue-dark); }
.cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; align-items: end; border-bottom: 2px solid var(--blue-dark); }
.cols .col { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 8px; height: 100%; }
.cols .lbl { font-size: clamp(12px, 1.4vw, 16px); font-weight: 700; color: var(--blue-dark); white-space: nowrap; }
.cols .b { width: 70%; max-width: 96px; background: var(--blue); border-radius: 6px 6px 0 0; transition: height .5s ease; }
.cols.sm .b { width: 60%; max-width: 80px; background: var(--blue-soft); }
.xaxis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; text-align: center; font-size: 14px; font-weight: 600; color: var(--text-2); }
.box-blue { background: var(--blue); color: #fff; border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 6px; }
.box-light { background: var(--blue-light); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 6px; }
.box-blue .t, .box-light .t { font-size: 14px; font-weight: 600; }
.box-light .t, .box-light .u { color: var(--text-2); }
.box-blue .n { font-size: 40px; font-weight: 800; line-height: 1.1; }
.box-light .n { font-size: 32px; font-weight: 800; line-height: 1.1; color: var(--blue-dark); }
.box-blue .u, .box-light .u { font-size: 14px; }

.h3 { margin: 0; font-size: 20px; font-weight: 700; color: var(--blue-dark); }
.h3 span { font-size: 14px; font-weight: 500; color: var(--muted); }
.picker { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.pick { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; min-height: 84px; padding: 14px 16px; border-radius: 10px; cursor: pointer; text-align: left; font-family: inherit; background: #fff; color: var(--blue-dark); border: 2px solid var(--line-blue); }
.pick:hover { border-color: var(--blue); }
.pick[aria-pressed="true"] { background: var(--blue); color: #fff; border-color: var(--blue); }
.pick .n1 { font-size: 13px; font-weight: 600; line-height: 1.35; }
.pick .n2 { font-size: 22px; font-weight: 800; }
.note { font-size: 13px; color: var(--muted); }

/* PHẦN 5 – cột ngang */
.total-bar { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; }
.total-bar .pcts { display: flex; flex-wrap: wrap; gap: 28px; }
.total-bar .pcts div { display: flex; flex-direction: column; gap: 2px; }
.total-bar .pcts b { font-size: 30px; font-weight: 800; }
.total-bar .pcts span { font-size: 14px; }
.legend { display: flex; flex-wrap: wrap; gap: 20px; font-size: 13px; color: var(--text-2); }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend i { width: 14px; height: 14px; border-radius: 3px; display: inline-block; }
.hbars { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 24px; }
.hrow { display: flex; flex-wrap: wrap; gap: 10px 24px; padding: 16px 0; border-bottom: 1px solid var(--line-2); align-items: center; }
.hrow:last-child { border-bottom: 0; }
.hrow .lab { flex: 1 1 220px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.hrow .lab .n { font-size: 14px; font-weight: 600; }
.hrow .lab .m { font-size: 12px; color: var(--muted); }
.hrow .bars { flex: 999 1 420px; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.hline { display: flex; align-items: center; gap: 10px; }
.hline .track { flex: 1; min-width: 0; }
.hline .fill { height: 14px; border-radius: 3px; }
.hline .val { width: 92px; text-align: right; font-size: 13px; color: var(--text-2); font-variant-numeric: tabular-nums; }
.hline.mt .val { font-weight: 700; color: var(--blue-dark); }

/* PHẦN 6 – phân công */
.gd { background: var(--blue-dark); color: #fff; border-radius: var(--radius); padding: 28px; display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; }
.gd .ico { width: 64px; height: 64px; border-radius: 50%; background: rgba(255,255,255,.14); display: flex; align-items: center; justify-content: center; flex: none; }
.gd .body { flex: 1 1 400px; display: flex; flex-direction: column; gap: 6px; }
.gd .role { font-size: 13px; font-weight: 600; letter-spacing: .1em; opacity: .85; }
.gd .name { font-size: 26px; font-weight: 800; }
.gd .desc { font-size: 15px; line-height: 1.6; opacity: .95; }
.pgd-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr)); gap: 20px; }
.pgd { border: 1px solid var(--line-blue); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.pgd .head { background: var(--blue-light); padding: 18px 22px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.pgd .role { font-size: 12px; font-weight: 700; letter-spacing: .1em; color: var(--blue); }
.pgd .name { font-size: 20px; font-weight: 800; color: var(--blue-dark); }
.pgd .pl { font-size: 12px; font-weight: 600; color: var(--blue-dark); border: 1px solid var(--blue-plan); border-radius: 4px; padding: 3px 8px; white-space: nowrap; }
.pgd .rows { padding: 8px 22px 20px; }
.pgd .r { display: flex; flex-direction: column; gap: 4px; padding: 12px 0; border-bottom: 1px solid var(--line-2); }
.pgd .r .l1 { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.pgd .r .lv { font-size: 15px; font-weight: 600; }
.pgd .r .mt { font-size: 17px; font-weight: 800; color: var(--blue-dark); white-space: nowrap; }
.pgd .r .dm { font-size: 13px; color: var(--muted); line-height: 1.5; }

/* PHẦN 7 – accordion */
.acc { display: flex; flex-direction: column; gap: 12px; }
.acc-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.acc-btn { width: 100%; min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 22px; background: transparent; border: 0; cursor: pointer; text-align: left; font-family: inherit; }
.acc-btn .t { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; }
.acc-btn .no { font-size: 14px; font-weight: 800; color: var(--blue); }
.acc-btn .ti { font-size: 17px; font-weight: 700; color: var(--blue-dark); }
.acc-btn .ld { font-size: 13px; color: var(--muted); }
.acc-btn .sign { font-size: 24px; color: var(--blue); width: 24px; text-align: center; flex: none; }
.acc-panel { padding: 0 22px 22px; display: flex; flex-direction: column; gap: 16px; }
.acc-panel[hidden] { display: none; }
.bullets { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; font-size: 15px; line-height: 1.6; color: var(--text-2); }
.dir-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.dir { border: 1px solid var(--line-blue); border-radius: 10px; padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.dir .t { font-size: 14px; font-weight: 700; color: var(--blue-dark); }
.dir .d { font-size: 13px; color: var(--text-2); line-height: 1.55; }

/* PHẦN 8 – tab */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; border-bottom: 1px solid var(--line); }
.tab { min-height: 48px; padding: 0 20px; background: transparent; border: 0; border-bottom: 3px solid transparent; margin-bottom: -1px; cursor: pointer; font-family: inherit; font-size: 15px; font-weight: 700; color: var(--muted); }
.tab[aria-selected="true"] { color: var(--blue); border-bottom-color: var(--blue); }
.unit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 16px; }
.unit-card { border: 1px solid var(--line); border-radius: 12px; padding: 22px; display: flex; flex-direction: column; gap: 12px; }
.unit-card h3 { margin: 0; font-size: 17px; font-weight: 700; color: var(--blue-dark); }
.unit-card .nt { font-size: 13px; font-weight: 600; color: var(--blue); }
.unit-card .bullets { font-size: 14px; }
.unit-card .bullets b { color: var(--text); }

/* PHẦN 9 – nguyên tắc */
.principles { background: var(--blue); color: #fff; }
.principles .eyebrow { color: var(--blue-pale); }
.principles .sec-head h2 { color: #fff; }
.pr { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.pr .t { font-size: 17px; font-weight: 700; line-height: 1.4; }
.pr .d { font-size: 14px; line-height: 1.6; opacity: .95; }

/* PHẦN 10 – timeline */
.timeline { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px 20px; }
.step { display: flex; flex-direction: column; gap: 12px; }
.step .dot { display: flex; align-items: center; gap: 10px; }
.step .dot b { width: 36px; height: 36px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; flex: none; }
.step .dot i { flex: 1; height: 2px; background: var(--blue-plan); }
.step:first-child .dot b { background: var(--accent); }
.step:last-child .dot b { background: var(--blue-dark); }
.step:last-child .dot i { background: transparent; }
.step .t { font-size: 17px; font-weight: 700; color: var(--blue-dark); }
.step .d { font-size: 14px; line-height: 1.6; color: var(--text-2); }
.months { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; font-size: 13px; }
.months span { background: var(--blue-light); border-radius: 6px; padding: 6px 8px; }

/* PHẦN 11 – footer */
.site-footer { background: var(--blue-dark); color: #fff; }
.site-footer .container { padding: 56px 20px 32px; }
.foot-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 28px; }
.foot-col { display: flex; flex-direction: column; gap: 12px; }
.foot-col img { height: 40px; width: auto; align-self: flex-start; border-radius: 4px; }
.foot-col .h { font-size: 13px; font-weight: 700; letter-spacing: .1em; color: var(--blue-pale); }
.foot-col p { margin: 0; font-size: 15px; line-height: 1.6; }
.foot-col a { color: #fff; font-weight: 700; }
.foot-col ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; font-size: 14px; line-height: 1.55; }
.copy { border-top: 1px solid rgba(255,255,255,.2); padding-top: 18px; font-size: 13px; color: var(--blue-pale); }

/* Điện thoại: menu 1 dòng, vuốt ngang */
@media (max-width: 720px) {
  .site-header .inner { padding: 8px 16px 0; gap: 4px; }
  .brand img { height: 32px; }
  .brand span { font-size: 13px; }
  .nav { flex-wrap: nowrap; overflow-x: auto; width: 100%; margin: 0 -6px; scrollbar-width: none; }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { white-space: nowrap; padding: 12px 8px; }
  section[id] { scroll-margin-top: 100px; }
  .container { padding: 48px 16px; }
}

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .cols .b { transition: none; } }