@font-face{font-family:"Serif";src:url("fonts/serif-b.ttf") format("truetype");font-weight:700;font-display:swap}
@font-face{font-family:"Serif";src:url("fonts/serif-r.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"Serif";src:url("fonts/serif-i.ttf") format("truetype");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Sans";src:url("fonts/sans-r.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"Sans";src:url("fonts/sans-b.ttf") format("truetype");font-weight:700;font-display:swap}
@font-face{font-family:"Mono";src:url("fonts/mono.ttf") format("truetype");font-weight:400;font-display:swap}

:root{
  --paper:#FFFFFF; --tint:#F4F6F8; --ink:#051C2C; --body:#3B4A54; --muted:#6E7F8B;
  --navy:#051C2C; --navy-2:#0B3A57; --navy-deep:#04141F; --abyss:#03101A;
  --crimson:#A4123F; --crimson-soft:#D98BA3;
  --accent:#0F7AA8;
  --hair:#DDE3E7; --hair2:#C6D0D6;
  --ease:cubic-bezier(.22,1,.36,1);
  --navh:60px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--body);font-family:"Sans",system-ui,sans-serif;font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:"Serif",Georgia,serif;font-weight:700;color:var(--ink);line-height:1.12;letter-spacing:-.014em;text-wrap:balance}
p{margin:0} img{max-width:100%} a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.narrow{max-width:920px}
.lbl{font-family:"Sans",sans-serif;font-weight:700;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--crimson)}
.lbl.d{color:var(--crimson-soft)}
.tnum{font-variant-numeric:tabular-nums}
.serif{font-family:"Serif",serif}
.ital{font-family:"Serif",serif;font-style:italic}

/* bilingual */
html[lang="vi"] .en{display:none}
html[lang="en"] .vi{display:none}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .95s var(--ease),transform .95s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.07s}.rv.d2{transition-delay:.14s}.rv.d3{transition-delay:.21s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1!important;transform:none!important;transition:none}}

/* ============ NAV ============ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);background:rgba(255,255,255,.86);border-bottom:1px solid transparent;transition:border-color .4s var(--ease)}
.nav.solid{border-bottom-color:var(--hair)}
.nav .in{display:flex;align-items:center;justify-content:space-between;height:var(--navh);gap:20px}
.nav .lg{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav .lg img{height:26px;width:auto;display:block}
.nav .lg .sp{width:1px;height:18px;background:var(--hair2)}
.nav .mn{display:flex;gap:26px;font-size:14.5px;color:var(--body)}
.nav .mn a:hover{color:var(--ink)}
.nav .rt{display:flex;align-items:center;gap:14px}
.langsw{display:flex;border:1px solid var(--hair2);border-radius:2px;overflow:hidden;font-family:"Mono",monospace;font-size:11px;letter-spacing:.1em}
.langsw button{background:none;border:0;padding:7px 12px;cursor:pointer;color:var(--muted);font:inherit;transition:background .3s var(--ease),color .3s var(--ease)}
.langsw button.on{background:var(--navy);color:#fff}
.nav .cta{font-size:14.5px;font-weight:700;color:#fff;background:var(--navy);border-radius:2px;padding:9px 20px;white-space:nowrap;transition:opacity .3s var(--ease)}
.nav .cta:hover{opacity:.85}

/* burger + drawer (mobile nav) */
.burger{display:none;width:42px;height:42px;flex:0 0 auto;border:0;background:none;cursor:pointer;padding:12px 9px;-webkit-tap-highlight-color:transparent}
.burger i{display:block;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .34s var(--ease),opacity .2s var(--ease)}
.burger i+i{margin-top:5px}
.burger.x i:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.burger.x i:nth-child(2){opacity:0}
.burger.x i:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}
.burger:focus-visible{outline:3px solid var(--crimson);outline-offset:2px}
.drawer{position:fixed;top:var(--navh);left:0;right:0;z-index:99;background:var(--paper);border-bottom:1px solid var(--hair);
  padding:4px 20px 26px;max-height:calc(100svh - var(--navh));overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease);
  box-shadow:0 18px 40px -24px rgba(5,28,44,.4)}
.drawer.open{opacity:1;visibility:visible;transform:none}
.drawer a{display:block;padding:16px 0;border-bottom:1px solid var(--hair);font-size:17px;color:var(--ink)}
.drawer a.dcta{display:none;margin-top:22px;border-bottom:0;text-align:center}

/* ============ BUTTONS ============ */
.bt{display:inline-block;border-radius:2px;padding:15px 30px;font-size:16px;font-weight:700;transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease)}
.bt.p{background:var(--navy);color:#fff}
.bt.s{color:var(--navy);border:1px solid var(--hair2)}
.bt.w{background:var(--paper);color:var(--navy)}
.bt.ghost{color:#fff;border:1px solid rgba(255,255,255,.4)}
.bt:hover{opacity:.88}
.bt.s:hover{border-color:var(--navy)}
.bt:focus-visible{outline:3px solid var(--crimson);outline-offset:3px}

/* ============ ACADEMIC BOOK ============ */
.desk{position:relative;border-radius:0;overflow:hidden;
  background:
    radial-gradient(75% 120% at 50% -20%, rgba(255,244,222,.16) 0%, rgba(255,244,222,0) 55%),
    linear-gradient(178deg,#241C15 0%,#1A140F 46%,#100C09 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.desk:after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(65% 60% at 50% 40%, rgba(0,0,0,0) 40%, rgba(0,0,0,.55) 100%)}
.desk .lamp{position:absolute;left:50%;top:-28%;width:78%;height:78%;transform:translateX(-50%);
  background:radial-gradient(50% 50% at 50% 50%, rgba(255,238,205,.20) 0%, rgba(255,238,205,0) 70%);pointer-events:none}
.bookstage{position:relative;display:flex;align-items:flex-end;justify-content:center;gap:0;perspective:2200px;padding:clamp(30px,3.6vw,52px) 0 clamp(38px,4.4vw,62px)}

.book{position:relative;width:var(--bw,320px);aspect-ratio:.74;transform-style:preserve-3d;
  transform:rotateX(var(--rx,7deg)) rotateY(var(--ry,17deg)) rotateZ(var(--rz,-1deg));
  filter:drop-shadow(0 40px 44px rgba(0,0,0,.55))}
.book .cover{position:absolute;inset:0;border-radius:3px 6px 6px 3px;overflow:hidden;z-index:3;
  background:linear-gradient(148deg,var(--navy-2) 0%,var(--navy) 42%,var(--navy-deep) 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.09), inset -14px 0 26px -14px rgba(0,0,0,.5)}
/* fore-edge = thickness */
.book .edge{position:absolute;top:1.6%;bottom:1.6%;right:calc(var(--th,26px) * -1);width:var(--th,26px);z-index:2;
  border-radius:0 4px 4px 0;transform-origin:left center;transform:rotateY(62deg);
  background:repeating-linear-gradient(180deg,#FEFDFA 0 2px,#E7E2D6 2px 3.4px);
  box-shadow:inset -6px 0 12px -6px rgba(0,0,0,.45)}
.book .backcover{position:absolute;inset:0;border-radius:3px;z-index:1;transform:translateZ(-1px) translateX(calc(var(--th,26px) * .86)) translateY(4px);
  background:linear-gradient(148deg,#0C1F4E,#050D2A);border-radius:4px}
.book .spinelight{position:absolute;left:0;top:0;bottom:0;width:11px;z-index:4;
  background:linear-gradient(90deg,rgba(0,0,0,.42),rgba(0,0,0,0));border-radius:3px 0 0 3px}
/* cover content */
.bc{position:absolute;inset:0;padding:8.5% 9%;color:#fff;display:flex;flex-direction:column}
.bc .t{display:flex;justify-content:space-between;align-items:center}
.bc .t img{height:calc(var(--bw) * .042);width:auto;display:block}
.bc .t .l{display:flex;gap:7px;align-items:center}
.bc .t .y{font-family:"Mono",monospace;font-size:calc(var(--bw) * .029);letter-spacing:.24em;color:#8E9AC8}
.bc .eb{margin-top:14%;font-family:"Mono",monospace;font-size:calc(var(--bw) * .027);letter-spacing:.18em;color:var(--crimson-soft);text-transform:uppercase;line-height:1.6}
.bc .h{font-family:"Serif",serif;font-weight:700;font-size:calc(var(--bw) * .125);line-height:1.03;margin-top:5%;letter-spacing:-.02em}
.bc .s{margin-top:6%;font-family:"Serif",serif;font-style:italic;font-size:calc(var(--bw) * .038);color:#C7CEE8;line-height:1.45}
.bc .rule{margin-top:auto;border-top:1px solid rgba(255,255,255,.24);padding-top:5%;display:flex;justify-content:space-between;gap:8px;font-family:"Mono",monospace;font-size:calc(var(--bw) * .024);letter-spacing:.1em;color:#8E9AC8;text-transform:uppercase}
.bc svg{position:absolute;inset:0;width:100%;height:100%}
/* stacked prior edition */
.book.prior{--bw:190px;--ry:22deg;--rx:9deg;--th:18px;position:absolute;left:6%;bottom:8%;opacity:.55;filter:drop-shadow(0 24px 30px rgba(0,0,0,.5)) saturate(.5)}
.book.prior .cover{background:linear-gradient(148deg,#2A2F45,#15182A)}
.deskcap{position:absolute;left:0;right:0;bottom:16px;text-align:center;font-family:"Mono",monospace;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.34)}

/* ============ HERO ============ */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:88px 0 34px;position:relative;background:var(--paper)}
.hero>.wrap{width:100%}
.hero .top{text-align:center}
.hero h1{font-size:clamp(46px,7.4vw,106px);line-height:.95;letter-spacing:-.036em}
.hero h1 .ln{display:block}
.hero .sub{margin:16px auto 0;font-size:clamp(17px,1.8vw,22px);color:var(--body);max-width:34ch;line-height:1.5}
.hero .btns{display:flex;gap:13px;justify-content:center;margin-top:24px;flex-wrap:wrap}
.hero .desk{margin-top:clamp(16px,1.8vw,26px)}
/* hero credibility bar — hai dải logo: báo chí đã đưa tin ấn bản 2025, và đối tác đồng hành */
.credbar{margin-top:clamp(20px,2.4vw,30px);padding-top:clamp(16px,1.9vw,22px);border-top:1px solid var(--hair)}
.credbar .crow{display:flex;align-items:center;justify-content:center;gap:clamp(16px,2.4vw,34px);flex-wrap:wrap}
.credbar .crow+.crow{margin-top:clamp(11px,1.2vw,15px);padding-top:clamp(11px,1.2vw,15px);border-top:1px solid var(--hair)}
.credbar .cl{font-family:"Mono",monospace;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.credbar ul{list-style:none;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:clamp(20px,3.2vw,44px)}
.credbar img{display:block;height:calc(var(--lh,1) * clamp(17px,1.7vw,22px));width:auto;
  filter:grayscale(100%);opacity:.58;transition:opacity .45s var(--ease),filter .45s var(--ease)}
.credbar li:hover img{filter:none;opacity:1}

.scrollhint{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);font-family:"Mono",monospace;font-size:10px;letter-spacing:.24em;color:var(--muted);text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:7px}
.scrollhint i{width:1px;height:24px;background:linear-gradient(180deg,var(--hair2),transparent);animation:hint 2.2s ease-in-out infinite}
@keyframes hint{0%,100%{opacity:.3;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}

/* page hero (sub-pages) */
.phero{padding:146px 0 clamp(54px,6.6vw,92px);border-bottom:1px solid var(--hair);background:var(--tint)}
.phero h1{font-size:clamp(36px,5.6vw,74px);margin-top:20px;max-width:20ch}
.phero .sub{margin-top:20px;font-size:clamp(16.5px,1.6vw,20px);color:var(--body);max-width:52ch}
.phero .facts{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px 52px}
.phero .facts div{border-top:1px solid var(--hair2);padding-top:12px;min-width:130px}
.phero .facts b{display:block;font-family:"Mono",monospace;font-size:10.5px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;font-weight:400}
.phero .facts span{display:block;margin-top:5px;font-size:16px;color:var(--ink)}
.phero .btns{margin-top:36px;display:flex;gap:13px;flex-wrap:wrap}

/* ============ SECTION SHELL ============ */
.sec{padding:clamp(72px,9vw,124px) 0}
.sec.tight{padding-top:0}
.sec.dark{background:var(--abyss);color:#fff}
.sec.dark h2,.sec.dark h3{color:#fff}
.secno{display:flex;align-items:baseline;gap:14px;border-top:3px solid var(--navy);padding-top:14px}
.sec.dark .secno{border-top-color:rgba(255,255,255,.45)}
.secno .n{font-family:"Sans",sans-serif;font-weight:700;font-size:13px;letter-spacing:.06em;color:var(--crimson)}
.sec.dark .secno .n{color:#fff}
.secno .t{font-family:"Sans",sans-serif;font-weight:700;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink)}
.sec h2{font-size:clamp(28px,3.5vw,48px);margin-top:20px;max-width:22ch}
.sec .lede{margin-top:16px;font-size:clamp(16.5px,1.5vw,19px);color:var(--body);max-width:56ch}
.sec.dark .lede{color:#9AA3C4}
.fig{font-family:"Sans",sans-serif;font-size:12px;color:var(--muted);letter-spacing:.02em}
.exh{font-family:"Sans",sans-serif;font-weight:700;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--navy);border-bottom:2px solid var(--navy);padding-bottom:8px;display:block}
.src{margin-top:12px;font-size:12px;color:var(--muted);padding-top:8px;border-top:1px solid var(--hair)}
.fn{font-size:13.5px;color:var(--muted);line-height:1.6}
sup{font-size:11px;color:var(--crimson)}

/* ============ STICKY STEPS ============ */
.steps{position:relative;background:var(--tint)}
.steps .track{height:340svh}
.steps .pin{position:sticky;top:0;height:100svh;display:flex;align-items:center;overflow:hidden}
.stepwrap{position:relative;min-height:clamp(280px,40vw,440px);width:100%}
.step{position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,76px);align-items:center;
  opacity:0;transform:translateY(26px) scale(.985);transition:opacity .75s var(--ease),transform .75s var(--ease);pointer-events:none}
.step.on{opacity:1;transform:none;pointer-events:auto}
.step .num{font-family:"Serif",serif;font-weight:700;font-size:clamp(120px,19vw,280px);line-height:.82;letter-spacing:-.05em;color:var(--navy);text-align:right}
.step.hot .num{color:var(--crimson)}
.step .rt h3{font-size:clamp(21px,2.6vw,38px);line-height:1.2}
.step .rt p{margin-top:14px;font-size:clamp(15px,1.5vw,18px);color:var(--muted);max-width:34ch}
.step .meter{margin-top:22px;height:2px;background:var(--hair2);max-width:330px;position:relative;overflow:hidden}
.step .meter i{position:absolute;inset:0 auto 0 0;width:0;background:var(--navy);transition:width 1.1s var(--ease) .15s}
.step.hot .meter i{background:var(--crimson)}
.step.on .meter i{width:var(--w)}
.steps .dots{position:absolute;right:30px;top:50%;transform:translateY(-50%);display:grid;gap:11px}
.steps .dots b{width:6px;height:6px;border-radius:50%;background:var(--hair2);transition:background .5s var(--ease),transform .5s var(--ease)}
.steps .dots b.on{background:var(--crimson);transform:scale(1.5)}
.steps .cap{position:absolute;left:32px;bottom:52px;font-family:"Mono",monospace;font-size:10.5px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.punchsec{padding:clamp(80px,11vw,150px) 0;text-align:center}
.punchsec p{font-family:"Serif",serif;font-size:clamp(26px,3.8vw,56px);line-height:1.18;letter-spacing:-.02em;color:var(--ink);max-width:20ch;margin:0 auto}
.punchsec em{font-style:normal;color:var(--crimson)}

/* ============ SCROLLYTELL ============ */
.inside{background:var(--abyss);color:#fff}
.inside .pin{position:sticky;top:0;height:100svh;display:flex;align-items:center}
.inside .grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(28px,5vw,76px);align-items:center;width:100%}
.inside h2{color:#fff;font-size:clamp(26px,3.2vw,46px)}
.inside .cap2{margin-top:14px;font-size:clamp(15px,1.5vw,18px);color:#9AA3C4;max-width:30ch}
.inside .figno{margin-top:24px;font-family:"Mono",monospace;font-size:10.5px;letter-spacing:.16em;color:#6C77A6;text-transform:uppercase}
.vizbox{position:relative;min-height:clamp(230px,30vw,380px);display:flex;align-items:center;justify-content:center}
.viz{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(.965);transition:opacity .7s var(--ease),transform .7s var(--ease);pointer-events:none}
.viz.on{opacity:1;transform:none}
.txt{position:absolute;opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease);pointer-events:none}
.txt.on{opacity:1;transform:none;position:relative;pointer-events:auto}
.vmx{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;width:min(100%,500px)}
.vmx i{height:clamp(19px,2.5vw,34px);border-radius:3px}
.vmx .r5{background:#EDEFF8}.vmx .r4{background:#B9C1E2}.vmx .r3{background:#7B88BE}.vmx .r2{background:#3C4E96;outline:1.5px dashed var(--crimson-soft);outline-offset:2px}.vmx .r1{background:#1B2E6E}
.vch{display:flex;align-items:center;gap:5px;width:min(100%,540px)}
.vch i{flex:1;height:clamp(34px,4.4vw,58px);border:1px solid rgba(255,255,255,.28);border-radius:4px;background:rgba(255,255,255,.04)}
.vch i.brk{border-color:var(--crimson-soft);background:rgba(192,130,146,.16)}
.vch em{flex:0 0 8px;height:2px;background:var(--crimson-soft);transform:rotate(26deg)}
.vgp{display:grid;gap:13px;width:min(100%,520px)}
.vgp .r{display:grid;grid-template-columns:1fr 104px 1fr;gap:11px;align-items:center}
.vgp .b{height:clamp(24px,2.8vw,38px);border-radius:3px}
.vgp .b.l{background:#2A3C86}
.vgp .b.r{border:1.4px solid var(--crimson-soft)}
.vgp span{font-family:"Mono",monospace;font-size:9.5px;letter-spacing:.1em;color:#8E96BC;text-align:center;text-transform:uppercase}
.vin{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;width:min(100%,540px)}
.vin i{border:1px solid rgba(255,255,255,.22);border-radius:6px;padding:11px;font-style:normal;font-family:"Mono",monospace;font-size:10.5px;color:#9AA3C4}
.vin i b{display:block;font-family:"Sans",sans-serif;font-size:13px;color:#fff;font-weight:400;margin-bottom:4px}
.vin i u{text-decoration:none;color:var(--crimson-soft)}

/* ============ TESTIMONIALS ============ */
.tst{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(28px,4vw,60px);margin-top:clamp(38px,4.6vw,64px);align-items:start}
.quote{border-left:3px solid var(--crimson);padding:4px 0 4px 26px}
.quote p{font-family:"Serif",serif;font-size:clamp(18px,1.9vw,24px);line-height:1.55;color:var(--ink)}
.quote p+p{margin-top:18px}
.quote .by{margin-top:20px;display:flex;align-items:center;gap:12px}
.quote .by b{font-family:"Serif",serif;font-size:17px;color:var(--ink);font-weight:700}
.quote .by span{font-size:14px;color:var(--muted)}
.voices{border-top:1px solid var(--hair)}
.voices .v{padding:18px 0;border-bottom:1px solid var(--hair)}
.voices .v b{display:block;font-family:"Serif",serif;font-size:17px;color:var(--ink)}
.voices .v span{display:block;margin-top:3px;font-size:13.5px;color:var(--muted)}
.voices .note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ============ CARDS / SURVEY ============ */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:clamp(38px,4.6vw,62px)}
.card{background:#fff;border-radius:0;padding:clamp(28px,3.2vw,44px);border:1px solid var(--hair);border-top:3px solid var(--navy);transition:border-color .4s var(--ease)}
.card:hover{border-top-color:var(--crimson)}
.card .tag{font-family:"Sans",sans-serif;font-weight:700;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--crimson)}
.card h3{font-size:clamp(22px,2.4vw,31px);margin-top:11px}
.card .du{margin-top:9px;font-family:"Mono",monospace;font-size:12.5px;color:var(--muted)}
.card p{margin-top:13px;font-size:16px;color:var(--body);max-width:38ch}
.card .bt{margin-top:24px}

/* list blocks */
.qlist{margin-top:clamp(34px,4vw,54px);border-top:1px solid var(--hair)}
.qlist .q{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--hair);align-items:baseline}
.qlist .q .n{font-family:"Mono",monospace;font-size:12.5px;color:var(--crimson)}
.qlist .q b{font-family:"Serif",serif;font-size:clamp(18px,1.9vw,23px);color:var(--ink);font-weight:700;display:block}
.qlist .q p{margin-top:6px;font-size:15.5px;color:var(--muted);max-width:56ch}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:clamp(36px,4.4vw,58px);border-top:1px solid var(--hair);border-left:1px solid var(--hair)}
.grid3 .c{padding:30px 30px 28px;border-right:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.grid3 .c .k{font-family:"Mono",monospace;font-size:11px;letter-spacing:.18em;color:var(--crimson);text-transform:uppercase}
.grid3 .c h3{font-size:clamp(19px,1.9vw,23px);margin-top:11px}
.grid3 .c p{margin-top:10px;font-size:15.5px;color:var(--body)}

/* stats */
.pst{display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(38px,4.6vw,64px);border-top:1px solid var(--hair)}
.pst div{padding:28px 24px 26px 0;border-bottom:1px solid var(--hair)}
.pst div+div{padding-left:24px;border-left:1px solid var(--hair)}
.pst b{display:block;font-family:"Serif",serif;font-weight:700;font-size:clamp(42px,5.4vw,86px);line-height:1;color:var(--navy);letter-spacing:-.03em}
.pst span{display:block;margin-top:9px;font-size:14px;color:var(--muted)}

.pst em{display:block;margin-top:8px;font-family:"Mono",monospace;font-style:normal;font-size:11.5px;line-height:1.5;letter-spacing:.02em;color:#93A2AC}

/* 2025 edition block */
.ed25{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(28px,4vw,64px);margin-top:clamp(38px,4.4vw,62px);align-items:start}
.edq .big{font-family:"Serif",serif;font-size:clamp(19px,2.1vw,28px);line-height:1.45;color:var(--ink);border-left:3px solid var(--crimson);padding-left:26px}
.edq .big em{font-style:italic}
.edq .src{margin-top:12px;padding-left:29px;font-family:"Mono",monospace;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.edf{list-style:none;margin-top:30px;border-top:1px solid var(--hair)}
.edf li{display:grid;grid-template-columns:120px 1fr;gap:20px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--hair);font-size:15.5px;color:var(--body)}
.edf li b{font-family:"Serif",serif;font-weight:700;font-size:clamp(24px,2.4vw,34px);line-height:1;color:var(--crimson);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.edf li b small{font-size:.5em;font-weight:700;margin-left:1px}
.edp{border-top:3px solid var(--navy);padding-top:20px}
.edp img{width:100%;height:clamp(150px,15vw,190px);object-fit:cover;filter:grayscale(35%) contrast(1.04);margin-bottom:22px}
.edp .k{font-family:"Sans",sans-serif;font-weight:700;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--crimson)}
.edp .pr{display:block;padding:15px 0;border-bottom:1px solid var(--hair);position:relative}
.edp .pr:first-of-type{border-top:1px solid var(--hair);margin-top:14px}
.edp .pr b{display:block;font-family:"Serif",serif;font-weight:700;font-size:16.5px;color:var(--ink)}
.edp .pr span{display:block;margin-top:5px;font-size:13.5px;line-height:1.55;color:var(--muted)}
.edp a.pr b{padding-right:22px}
.edp a.pr b:after{content:"↗";position:absolute;right:0;font-family:"Sans",sans-serif;font-size:13px;font-weight:400;
  color:var(--hair2);transition:color .3s var(--ease),transform .3s var(--ease)}
.edp a.pr:hover b{color:var(--crimson)}
.edp a.pr:hover b:after{color:var(--crimson);transform:translate(2px,-2px)}
.edp .pr.ev b{color:var(--muted);font-size:14.5px;font-family:"Sans",sans-serif;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase}

/* team */
.tg{display:grid;grid-template-columns:repeat(4,1fr);gap:30px 26px;margin-top:clamp(38px,4.6vw,62px)}
.tp img{width:74px;height:74px;border-radius:0;object-fit:cover;filter:grayscale(100%);transition:filter .5s var(--ease),transform .5s var(--ease)}
.tp:hover img{filter:grayscale(0%)}
.tp b{display:block;margin-top:12px;font-family:"Serif",serif;font-size:16.5px;color:var(--ink)}
.tp span{display:block;margin-top:4px;font-size:12.5px;color:var(--muted);line-height:1.5}

/* partners strip */
.ptns{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:clamp(28px,3.4vw,44px)}
.ptn{border:1px solid var(--hair);border-top:3px solid var(--navy);padding:22px 24px;min-width:0;
  transition:border-color .4s var(--ease)}
.ptn:hover{border-top-color:var(--crimson)}
.ptn i{display:flex;align-items:center;height:44px;margin-bottom:16px}
.ptn i img{max-height:calc(var(--ph,1) * 36px);max-width:100%;width:auto;
  filter:grayscale(100%);opacity:.7;transition:opacity .45s var(--ease),filter .45s var(--ease)}
.ptn:hover i img{filter:none;opacity:1}
.ptn b{display:block;font-family:"Serif",serif;font-weight:700;font-size:clamp(16px,1.5vw,19px);color:var(--ink)}
.ptn span{display:block;margin-top:5px;font-size:13px;color:var(--muted);line-height:1.5}

/* roles (partner) */
.roles{margin-top:clamp(38px,4.6vw,62px);border-top:1px solid var(--hair)}
.role{display:grid;grid-template-columns:220px 1fr 150px;gap:24px;padding:28px 0;border-bottom:1px solid var(--hair);align-items:start}
.role h3{font-size:clamp(20px,2vw,26px)}
.role .slots{font-family:"Mono",monospace;font-size:11.5px;letter-spacing:.14em;color:var(--crimson);text-transform:uppercase;margin-top:8px}
.role ul{list-style:none}
.role li{font-size:15.5px;color:var(--body);padding:5px 0 5px 20px;position:relative}
.role li:before{content:"";position:absolute;left:0;top:14px;width:9px;height:1.5px;background:var(--crimson)}
.role .kind{font-family:"Mono",monospace;font-size:11.5px;color:var(--muted);text-align:right;letter-spacing:.08em;text-transform:uppercase}

/* pledge / dark panel */
.pledge{border-radius:0;padding:clamp(34px,4vw,58px);background:var(--navy);color:#fff;margin-top:clamp(38px,4.6vw,62px)}
.pledge h3{color:#fff;font-size:clamp(22px,2.4vw,32px)}
.pledge p{margin-top:16px;color:#9AA3C4;font-size:16.5px;max-width:62ch}
.pledge .em{margin-top:18px;font-family:"Serif",serif;font-size:clamp(17px,1.7vw,21px);color:#8FD3EE;max-width:52ch}

/* CTA band */
.ctaband{text-align:center;padding:clamp(72px,9vw,128px) 0;background:var(--tint);border-top:1px solid var(--hair)}
.ctaband h2{font-size:clamp(30px,4.6vw,66px);max-width:18ch;margin:18px auto 0}
.ctaband .l{margin:16px auto 0;font-size:clamp(16.5px,1.5vw,19px);color:var(--body);max-width:46ch}
.ctaband .btns{margin-top:32px;display:flex;gap:13px;justify-content:center;flex-wrap:wrap}
.ctaband .anon{margin-top:24px;font-size:13.5px;color:var(--muted)}

/* close / footer */
.close{background:var(--abyss);color:#fff;padding:clamp(80px,10vw,140px) 0}
.close .grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,66px);align-items:center}
.close h2{color:#fff;font-size:clamp(28px,3.4vw,48px)}
.close p{margin-top:16px;color:#9AA3C4;font-size:16.5px;max-width:40ch}
.close ul{list-style:none;margin-top:22px}
.close li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:15.5px;color:#C3C9DE}
.close li b{color:#fff;font-weight:400;font-family:"Serif",serif;font-size:17px}
.close .ev img{width:100%;height:clamp(210px,25vw,330px);object-fit:cover;border-radius:0;filter:grayscale(45%) contrast(1.05)}
footer{background:var(--abyss);color:#7A83A8;padding:0 0 42px}
footer .in{border-top:1px solid rgba(255,255,255,.14);padding-top:28px;display:flex;justify-content:space-between;gap:22px;flex-wrap:wrap;align-items:center}
footer .lg{display:flex;gap:13px;align-items:center}
footer .lg img{height:24px;width:auto;display:block}
footer .lg .sp{width:1px;height:18px;background:rgba(255,255,255,.2)}
footer .c{font-size:14px;line-height:1.7}
footer .c b{color:#fff;font-weight:400}
footer .links{display:flex;gap:20px;font-size:13.5px}
footer .links a:hover{color:#fff}
footer .bar{margin-top:20px;font-family:"Mono",monospace;font-size:11px;letter-spacing:.06em;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

@media (max-width:1000px){
  .nav .mn{display:none}
  .burger{display:block}
  .step{grid-template-columns:1fr;gap:12px;text-align:center}
  .step .num{text-align:center}
  .step .meter{margin-left:auto;margin-right:auto}
  .steps .dots{display:none}
  .inside .grid{grid-template-columns:1fr;gap:24px}
  .inside .pin{height:auto;position:relative;padding:64px 0}
  .vizbox{min-height:210px}
  .cards,.tst,.close .grid,.grid3,.pst,.ed25{grid-template-columns:1fr}
  .grid3 .c{border-left:none}
  .pst div+div{padding-left:0;border-left:none}
  .tg{grid-template-columns:1fr 1fr}
  .ptns{grid-template-columns:repeat(3,1fr)}
  .role{grid-template-columns:1fr;gap:10px}
  .role .kind{text-align:left}
  .book.prior{display:none}

  /* "Inside the report": stack each caption with its own figure instead of
     cross-fading them in place — see #insideTrack.stk set by app.js */
  #insideTrack.stk .vizbox{display:none}
  #insideTrack.stk .txt,
  #insideTrack.stk .viz{position:static;opacity:1;transform:none;transition:none;pointer-events:auto}
  #insideTrack.stk .txt{margin-bottom:44px}
  #insideTrack.stk .txt:last-child{margin-bottom:0}
  #insideTrack.stk .viz{margin-top:22px;justify-content:flex-start}
}

/* ============ PHONE ============ */
@media (max-width:760px){
  :root{--navh:56px}
  .wrap{padding:0 20px}

  /* nav: logo + language + burger only — the CTA lives in the drawer */
  .nav .in{gap:10px}
  .nav .lg{gap:10px}
  .nav .lg img{height:22px}
  .nav .rt{gap:6px}
  .nav .cta{display:none}
  .langsw button{padding:10px 13px}
  .drawer a.dcta{display:block}

  /* hero: let it size to content, stack the buttons full-width */
  .hero{min-height:0;padding:calc(var(--navh) + 30px) 0 44px}
  .hero h1{font-size:clamp(38px,12.2vw,52px)}
  .hero .sub{margin-top:14px}
  .hero .btns{flex-direction:column;align-items:stretch;gap:10px;margin-top:26px}
  .hero .btns .bt{width:100%;text-align:center}
  .scrollhint{display:none}

  .phero{padding:calc(var(--navh) + 50px) 0 clamp(44px,8vw,64px)}
  .phero{padding-bottom:clamp(40px,7vw,58px)}
  .phero .facts{margin-top:30px;gap:16px 20px}
  .phero .facts div{flex:1 1 calc(50% - 10px);min-width:0}
  .phero .facts span{font-size:15px}
  .phero .btns .bt{flex:1 1 100%;text-align:center}
  .close .bt,.ctaband .btns .bt{display:block;width:100%;text-align:center}
  .ctaband .btns{flex-direction:column;align-items:stretch;gap:10px}

  /* sticky steps: shorter scroll runway, caption out of the way */
  .steps .track{height:230svh}
  .steps .cap{left:20px;right:20px;bottom:34px;text-align:center;font-size:10px}
  .step .num{font-size:clamp(96px,26vw,120px)}

  .inside .pin{padding:52px 0}
  .vin{grid-template-columns:repeat(2,1fr)}
  .vgp .r{grid-template-columns:1fr 74px 1fr;gap:8px}

  .secno{flex-wrap:wrap;gap:8px 12px}
  .quote{padding-left:20px}
  .qlist .q{grid-template-columns:34px 1fr;gap:12px;padding:18px 0}
  .grid3 .c{padding:24px 22px}
  .pst div,.pst div+div{padding:24px 0}
  .edq .big{padding-left:20px}
  .edq .src{padding-left:23px}
  .edf li{grid-template-columns:86px 1fr;gap:14px}
  .tg{gap:26px 20px}
  .ptns{grid-template-columns:1fr 1fr;gap:10px}
  .ptn{padding:18px 16px}
  .ptn i{height:36px;margin-bottom:12px}
  .ptn i img{max-height:calc(var(--ph,1) * 28px)}
  .credbar{margin-top:22px;padding-top:16px}
  .credbar .crow{gap:14px}
  .credbar .crow+.crow{margin-top:14px;padding-top:14px}
  .credbar ul{gap:16px 15px}
  .credbar img{height:calc(var(--lh,1) * 17px)}
  .credbar .cl{font-size:9.5px;letter-spacing:.16em;width:100%;text-align:center}

  footer .in{flex-direction:column;align-items:flex-start;gap:18px}
  footer .links{flex-direction:column;gap:11px}
  footer .bar{flex-direction:column;gap:8px;line-height:1.7}
}

/* ============ BILINGUAL — must win over component selectors ============ */
html[lang="vi"] .en,
html[lang="en"] .vi{display:none !important}

/* Bên trong <b>, .vi/.en chỉ là lớp bọc ngôn ngữ chứ không phải một thành phần
   riêng — nếu không chặn, các rule dạng `.tp span`, `.phero .facts span` sẽ
   đè lên và làm chữ nhạt / sai cỡ (vd tên Thương Lê, TS Tom DeWitt). */
b > .vi,
b > .en{display:inline !important;margin:0 !important;font:inherit !important;
  color:inherit !important;letter-spacing:inherit !important;text-transform:inherit !important}