/* Khoa Dược - Bệnh viện Trung ương Quân đội 108 · bản 2 (10/2026) · hành trình 75 năm
   Nền sáng theo bộ nhận diện (kem/xám nhạt), xanh y tế cho nút, xanh đậm cho tiêu đề, vàng đồng cho mạch 75 năm. */
:root {
  --canvas: #F6F2E9;          /* nền trang, ngả kem theo tông vàng của video, không trắng tinh */
  --canvas-2: #EEF2EC;        /* nền phụ, ngả xanh nhạt */
  --panel: #FFFFFF;
  --ink: #1F2A26;
  --ink-2: #4A5651;
  --ink-3: #7A857F;
  --line: #DCD6C8;
  --green: #00A650;           /* xanh y tế: nút, nhấn */
  --green-h: #008C43;
  --green-deep: #006838;      /* xanh đậm: tiêu đề */
  --green-dark: #06261F;      /* nền tối của video và băng số liệu */
  --gold: #C9A961;            /* vàng đồng huy hiệu */
  --gold-2: #E4C270;
  --red: #C8102E;             /* đỏ quân y, dùng rất ít */
  --navy: #1F3A5F;
  --display: 'Playfair Display', 'Times New Roman', Georgia, serif;
  --body: 'Be Vietnam Pro', system-ui, Arial, sans-serif;
  --mono: 'JetBrains Mono', Consolas, monospace;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-2: cubic-bezier(.16, 1, .3, 1);
  --tshadow: 0 1px 2px rgba(5, 5, 10, .95), 0 3px 12px rgba(5, 5, 10, .78), 0 10px 44px rgba(5, 5, 10, .8);
  --sat: env(safe-area-inset-top, 0px);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; overflow-x: clip; }
body { background: var(--canvas); color: var(--ink); font-family: var(--body); font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; overflow-x: clip; opacity: 0; animation: trangHien .9s var(--ease) forwards; }
@keyframes trangHien { to { opacity: 1; } }
img { max-width: 100%; display: block; }
a { color: var(--green-deep); }
:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; top: -100px; left: 16px; background: var(--green-deep); color: #fff; padding: 10px 18px; border-radius: 8px; font-weight: 600; z-index: 1000; text-decoration: none; }
.skip:focus { top: 12px; }
.chi-doc { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- lớp nền sống: một môi trường cho cả trang ---------- */
.moi-truong { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.moi-truong span { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; animation: troi 70s ease-in-out infinite alternate; }
.moi-truong .m1 { width: 60vmax; height: 60vmax; left: -20vmax; top: -10vmax; background: radial-gradient(circle, rgba(201, 169, 97, .22), rgba(201, 169, 97, 0) 70%); animation-delay: -12s; }
.moi-truong .m2 { width: 55vmax; height: 55vmax; right: -25vmax; top: 30vh; background: radial-gradient(circle, rgba(0, 166, 80, .13), rgba(0, 166, 80, 0) 70%); animation-delay: -40s; animation-duration: 90s; }
.moi-truong .m3 { width: 50vmax; height: 50vmax; left: 20vw; bottom: -30vmax; background: radial-gradient(circle, rgba(31, 58, 95, .10), rgba(31, 58, 95, 0) 70%); animation-delay: -25s; animation-duration: 80s; }
@keyframes troi { to { transform: translate3d(6vw, -4vh, 0) scale(1.08); } }
main { position: relative; z-index: 1; }

/* ---------- thanh đầu ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding-top: var(--sat); transition: background .4s var(--ease), box-shadow .4s var(--ease); }
.nav.dac { background: rgba(246, 242, 233, .92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: 0 1px 0 var(--line); }
.nav-in { max-width: 1180px; margin: 0 auto; padding: 10px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; }
.nav.dac .nav-logo { color: var(--ink); }
.nav-logo img { width: 46px; height: 46px; object-fit: contain; background: #fff; border-radius: 50%; padding: 4px; box-shadow: 0 2px 10px rgba(0, 0, 0, .15); }
.nav-logo b { display: block; font-size: 14px; letter-spacing: .06em; line-height: 1.1; }
.nav-logo small { display: block; font-size: 11px; opacity: .85; line-height: 1.2; }
.nav-links { display: flex; gap: 4px; list-style: none; }
.nav-links a { color: rgba(255, 255, 255, .88); text-decoration: none; font-size: 14px; font-weight: 500; padding: 8px 12px; border-radius: 8px; transition: background .25s var(--ease), color .25s var(--ease); }
.nav.dac .nav-links a { color: var(--ink-2); }
.nav-links a:hover { background: rgba(255, 255, 255, .14); color: #fff; }
.nav.dac .nav-links a:hover { background: rgba(0, 104, 56, .08); color: var(--green-deep); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 15px; text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease); text-shadow: none; }
.btn-chinh { background: var(--green); color: #fff; box-shadow: 0 6px 22px rgba(0, 166, 80, .28); }
.btn-chinh:hover { background: var(--green-h); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0, 166, 80, .35); }
.btn-phu { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .55); }
.btn-phu:hover { background: rgba(255, 255, 255, .2); transform: translateY(-2px); }
.btn-vien { background: transparent; color: var(--green-deep); border-color: var(--green-deep); }
.btn-vien:hover { background: rgba(0, 104, 56, .08); transform: translateY(-2px); }
.nav .btn { padding: 9px 18px; font-size: 14px; }
.nav .btn-dn { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .6); margin-right: 8px; }
.nav .btn-dn:hover { background: rgba(255, 255, 255, .15); transform: translateY(-2px); }
.nav.dac .btn-dn { color: var(--green-deep); border-color: var(--green-deep); }
.nav.dac .btn-dn:hover { background: rgba(0, 104, 56, .08); }
.nav-dt a.dn { color: var(--green-deep); } .nav-dt a.dn small { display: block; font-weight: 400; font-size: 12px; color: var(--ink-3); }
.nav-mo { display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav-mo span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: transform .25s var(--ease), opacity .2s; }
.nav.dac .nav-mo span { background: var(--ink); }
.nav-mo.mo span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-mo.mo span:nth-child(2) { opacity: 0; }
.nav-mo.mo span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-dt { display: none; position: fixed; top: calc(66px + var(--sat)); left: 0; right: 0; z-index: 99; background: rgba(246, 242, 233, .98); border-bottom: 1px solid var(--line); padding: 8px 24px 16px; }
.nav-dt.mo { display: block; }
.nav-dt a { display: block; padding: 14px 4px; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; font-weight: 600; min-height: 44px; }
.nav-dt a:last-child { border-bottom: 0; }

/* ---------- hero cuộn theo video ---------- */
.hero { position: relative; height: 500vh; background: var(--green-dark); }
.san { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; background: var(--green-dark); }
.san .lop-nen { position: absolute; inset: 0; background-size: cover; background-position: center 65%; }
.san video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 65%; opacity: 0; transition: opacity .8s var(--ease); will-change: transform; transform: translateZ(0); }
.san.video-san video { opacity: 1; }
.san.video-hong video { display: none; }
.san canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity .6s var(--ease); }
.san.chuoi-san canvas { opacity: 1; }
.scrim { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(4, 20, 15, .55) 0%, rgba(4, 20, 15, .32) 34%, rgba(4, 20, 15, 0) 52%), radial-gradient(ellipse 120% 90% at 50% 45%, rgba(4, 20, 15, 0) 35%, rgba(4, 20, 15, .55) 100%); }
.vong { position: absolute; right: 22px; bottom: calc(22px + env(safe-area-inset-bottom, 0px)); width: 48px; height: 48px; color: var(--gold-2); transform: rotate(-90deg); transition: opacity .5s; }
.vong.xong { opacity: 0; }
.vong circle { transition: stroke-dashoffset .15s linear; }
.cue { position: absolute; left: 50%; bottom: calc(28px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); color: rgba(255, 255, 255, .75); font-family: var(--mono); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 8px; text-shadow: var(--tshadow); transition: opacity .5s; }
.cue i { width: 22px; height: 34px; border: 1.5px solid rgba(255, 255, 255, .6); border-radius: 12px; position: relative; display: block; }
.cue i::after { content: ""; position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: var(--gold-2); animation: lan 1.8s var(--ease) infinite; }
@keyframes lan { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { opacity: 0; } }
.cue.an { opacity: 0; }
/* các băng chữ: nằm ở 2/5 trên của màn, chỗ video để trống */
.band { position: absolute; left: 0; right: 0; top: calc(9vh + var(--sat)); padding: 0 24px; text-align: center; opacity: 0; pointer-events: none; text-shadow: var(--tshadow); --k: 0; }
.band::before { content: ""; position: absolute; left: 50%; top: 50%; width: 110vw; height: 150%; transform: translate(-50%, -50%); pointer-events: none; opacity: calc(.25 + .75 * var(--k, 1)); background: radial-gradient(ellipse 60% 74% at 50% 50%, rgba(4, 20, 15, .74) 0%, rgba(4, 20, 15, .58) 48%, rgba(4, 20, 15, 0) 78%); }
.band > * { position: relative; }
.band .kicker { font-family: var(--mono); color: var(--gold-2); font-size: 15px; letter-spacing: .22em; text-transform: uppercase; margin-bottom: 14px; display: block; }
.band .kicker::before, .hero-tinh .kicker::before { display: none; }
.band.ket .kicker { font-size: 13px; letter-spacing: .16em; }
.kicker.nhan i { font-style: normal; }
.band h2, .band .h { font-family: var(--display); font-weight: 700; color: #fff; font-size: clamp(30px, 4.6vw, 62px); line-height: 1.12; max-width: 900px; margin: 0 auto; letter-spacing: -.01em; }
.band p { color: rgba(255, 255, 255, .9); font-size: clamp(16px, 1.45vw, 21px); max-width: 720px; margin: 16px auto 0; line-height: 1.55; }
.band.ket .h { font-size: clamp(28px, 4vw, 54px); }
.band .h.ngay { font-size: clamp(44px, 6.4vw, 88px); letter-spacing: -.01em; }
.band.ket .nut { margin-top: 22px; }
.band .nut { margin-top: 26px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; pointer-events: auto; }
.band.hien-nut .nut { pointer-events: auto; }
.band .w { display: inline-block; white-space: pre; }
.band .c { display: inline-block; }
/* lối vào từng băng, chạy theo --k (0 -> 1), chỉ transform và opacity */
.band[data-vao="roi"] .w { --kc: clamp(0, (var(--k, 0) - var(--th, 0)) * 2.8, 1); opacity: var(--kc); transform: translateY(calc((1 - var(--kc)) * -26px)); }
.band[data-vao="ro"] .h { position: relative; }
.band[data-vao="ro"] .h .mo { position: absolute; inset: 0; filter: blur(12px); opacity: calc(1 - var(--k, 0)); }
.band[data-vao="ro"] .h .ro { opacity: var(--k, 0); }
.band[data-vao="ro"] p { opacity: clamp(0, (var(--k, 0) - .35) * 2.2, 1); transform: translateY(calc((1 - clamp(0, (var(--k, 0) - .35) * 2.2, 1)) * 14px)); }
.band[data-vao="dam"] .w { --kc: clamp(0, (var(--k, 0) - var(--th, 0)) * 3, 1); --ks: clamp(0, (var(--k, 0) - var(--th, 0) - .1) * 3.2, 1); opacity: var(--kc); transform: scale(calc(.6 + (.4 + .14) * var(--kc) - .14 * var(--ks))); }
.band[data-vao="dam"] .w.em { --ks: clamp(0, (var(--k, 0) - var(--th, 0) - .16) * 2.6, 1); transform: scale(calc(.6 + (.4 + .24) * var(--kc) - .24 * var(--ks))); }
.band[data-vao="dam"] p { opacity: clamp(0, (var(--k, 0) - .55) * 3, 1); }
.band[data-vao="len"] .w { --kc: clamp(0, (var(--k, 0) - var(--th, 0)) * 3, 1); opacity: var(--kc); transform: translateY(calc((1 - var(--kc)) * 22px)); }
.band[data-vao="len"] p { --ks: clamp(0, (var(--k, 0) - .66) * 4, 1); opacity: var(--ks); transform: translateY(calc((1 - var(--ks)) * 14px)); }
.band[data-vao="len"] .nut { --kb: clamp(0, (var(--k, 0) - .78) * 5, 1); opacity: var(--kb); transform: translateY(calc((1 - var(--kb)) * 14px)); }
.band .kicker { opacity: clamp(0, var(--k, 0) * 2.5, 1); }
/* ảnh tĩnh thay video: điện thoại, máy tính bảng dọc, giảm chuyển động */
.hero-tinh { display: none; position: relative; min-height: 100svh; background: var(--green-dark); color: #fff; overflow: hidden; }
.hero-tinh .anh { position: absolute; inset: 0; background-size: cover; background-position: center 70%; }
.hero-tinh .anh::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(4, 20, 15, .78) 0%, rgba(4, 20, 15, .35) 45%, rgba(4, 20, 15, .15) 70%, rgba(4, 20, 15, .6) 100%); }
.hero-tinh .chu { position: relative; padding: calc(110px + var(--sat)) 22px 60px; text-align: center; max-width: 760px; margin: 0 auto; text-shadow: var(--tshadow); }
.hero-tinh .kicker { font-family: var(--mono); color: var(--gold-2); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; display: block; }
.hero-tinh h1 { font-family: var(--display); font-weight: 700; font-size: clamp(32px, 9vw, 56px); line-height: 1.12; }
.hero-tinh p { margin: 16px auto 0; color: rgba(255, 255, 255, .9); font-size: 17px; }
.hero-tinh .nut { margin-top: 26px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-tinh .nut .btn { text-shadow: none; }
html.hero-tinh-on .hero { display: none; }
html.hero-tinh-on .hero-tinh { display: block; }
@media (prefers-reduced-motion: reduce), (orientation: landscape) and (pointer: coarse) and (max-height: 560px) {
  .hero { display: none; }
  .hero-tinh { display: block; }
}
/* điện thoại dọc: video dọc 720x1280, quãng cuộn ngắn hơn, chữ ở 45% trên (video để trống) */
@media (max-width: 720px), (orientation: portrait) and (max-width: 1024px) {
  .hero { height: 260vh; }
  .band { top: calc(11vh + var(--sat)); }
  .band .kicker { font-size: 12px; letter-spacing: .12em; }
  .kicker.nhan i { display: none; } .kicker.nhan span { display: block; line-height: 1.7; }
  .band.ket .h { font-size: clamp(27px, 7.6vw, 36px); }
  .band .h.ngay { font-size: clamp(34px, 10.5vw, 46px); }
  .band p { font-size: 16px; }
  .san video { object-position: center center; }
}
@media (max-height: 560px) { .cue { display: none; } }

/* ---------- khối chung ---------- */
.khoi { padding: 110px 24px; position: relative; }
.khoi-in { max-width: 1180px; margin: 0 auto; }
.kicker { font-family: var(--mono); color: var(--green-deep); font-size: 13px; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 14px; display: flex; align-items: center; gap: 12px; }
.kicker::before { content: ""; width: 34px; height: 2px; background: var(--gold); }
.khoi h2 { font-family: var(--display); font-weight: 700; color: var(--green-deep); font-size: clamp(30px, 4vw, 48px); line-height: 1.12; letter-spacing: -.01em; max-width: 760px; }
.khoi .dan { color: var(--ink-2); font-size: 18px; max-width: 62ch; margin-top: 18px; }
.vao { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease-2), transform .9s var(--ease-2); }
.vao.in { opacity: 1; transform: none; }
.vao .part { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease-2), transform .8s var(--ease-2); }
.vao.in .part { opacity: 1; transform: none; }
.vao.in .part:nth-child(1) { transition-delay: .05s; } .vao.in .part:nth-child(2) { transition-delay: .15s; } .vao.in .part:nth-child(3) { transition-delay: .25s; }
.vao.in .part:nth-child(4) { transition-delay: .35s; } .vao.in .part:nth-child(5) { transition-delay: .45s; } .vao.in .part:nth-child(6) { transition-delay: .55s; }
.vao.in.xong .part:nth-child(n) { transition-delay: 0s !important; }

/* ---------- băng số liệu (nối tiếp thế giới của video) ---------- */
.so-lieu { background: var(--green-dark); color: #fff; padding: 70px 24px 80px; position: relative; overflow: hidden; }
.so-lieu::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 60% at 50% 110%, rgba(201, 169, 97, .22), rgba(201, 169, 97, 0) 70%); animation: thoVang 7s ease-in-out infinite alternate; animation-delay: -2.2s; }
@keyframes thoVang { to { opacity: .55; } }
.so-luoi { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; position: relative; }
.so { text-align: center; padding: 22px 12px; border-top: 1px solid rgba(228, 194, 112, .35); }
.so b { display: block; font-family: var(--display); font-weight: 700; font-size: clamp(42px, 5vw, 68px); color: var(--gold-2); line-height: 1; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.so b.chu { font-size: clamp(34px, 3.5vw, 50px); letter-spacing: 0; }
.so span { display: block; margin-top: 10px; font-size: 14px; color: rgba(255, 255, 255, .8); letter-spacing: .04em; }
.so-huy { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 44px; position: relative; flex-wrap: wrap; }
.so-huy img { width: 86px; height: auto; filter: drop-shadow(0 6px 18px rgba(201, 169, 97, .5)); animation: sangNhe 5s ease-in-out infinite alternate; animation-delay: -1.5s; }
@keyframes sangNhe { to { filter: drop-shadow(0 6px 26px rgba(228, 194, 112, .85)); } }
.so-huy p { font-family: var(--display); font-size: 20px; color: #fff; max-width: 520px; text-align: left; line-height: 1.35; }
.so-huy p small { display: block; font-family: var(--mono); font-size: 12px; color: var(--gold-2); letter-spacing: .14em; text-transform: uppercase; margin-bottom: 6px; }
.so-huy p span { display: block; font-family: var(--body); font-size: 14px; color: rgba(255, 255, 255, .78); margin-top: 8px; line-height: 1.5; }

/* ---------- dòng thời gian ---------- */
.dong-thoi-gian { position: relative; margin-top: 64px; }
.dtg-duong { position: absolute; left: 28px; top: 0; bottom: 0; width: 2px; background: var(--line); }
.dtg-duong i { position: absolute; left: 0; top: 0; width: 100%; height: calc(var(--ve, 0) * 100%); background: linear-gradient(180deg, var(--gold), var(--green)); transition: height .2s linear; }
.moc { position: relative; padding: 0 0 56px 84px; }
.moc:last-child { padding-bottom: 0; }
.moc::before { content: ""; position: absolute; left: 20px; top: 8px; width: 18px; height: 18px; border-radius: 50%; background: var(--canvas); border: 3px solid var(--gold); box-shadow: 0 0 0 6px rgba(201, 169, 97, .15); transition: background .4s var(--ease), transform .4s var(--ease); }
.moc.qua::before { background: var(--gold); transform: scale(1.12); }
.moc .nam { font-family: var(--mono); color: var(--green-deep); font-size: 14px; letter-spacing: .16em; margin-bottom: 8px; }
.moc .nam b { font-family: var(--display); font-size: 34px; letter-spacing: 0; color: var(--ink); display: block; line-height: 1; margin-bottom: 6px; }
.moc h3 { font-family: var(--display); font-weight: 600; font-size: 24px; color: var(--green-deep); line-height: 1.25; margin-bottom: 10px; }
.moc p { color: var(--ink-2); max-width: 64ch; }
.moc .nguoi { margin-top: 14px; padding: 12px 16px; border-left: 3px solid var(--gold); background: rgba(201, 169, 97, .1); border-radius: 0 10px 10px 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 22px; max-width: 64ch; }
.moc .nguoi b { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--green-deep); flex-basis: 100%; }
.moc .nguoi .ten { font-family: var(--display); font-weight: 700; font-size: 18px; color: var(--green-deep); }
.moc .nguoi .ten em { font-style: normal; font-family: var(--mono); font-weight: 500; font-size: 13px; color: var(--ink-2); letter-spacing: .06em; margin-left: 6px; }
.moc-anh { display: grid; grid-template-columns: 1.15fr 1fr; gap: 32px; align-items: center; }
.moc-anh figure { border-radius: 14px; overflow: hidden; box-shadow: 0 18px 50px rgba(31, 42, 38, .18); border: 1px solid var(--line); background: var(--panel); }
.moc-anh figure img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 3 / 2; transition: transform 1.4s var(--ease); }
.moc-anh figure:hover img { transform: scale(1.03); }
.moc-anh figcaption { font-size: 13px; color: var(--ink-3); padding: 10px 14px; border-top: 1px solid var(--line); }
.moc-anh figure.mau-co img { filter: sepia(.25) contrast(1.02); }
.lanh-dao { margin-top: 70px; padding: 36px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; }
.lanh-dao h3 { font-family: var(--display); color: var(--green-deep); font-size: 24px; margin-bottom: 6px; }
.lanh-dao .ghi { color: var(--ink-3); font-size: 14px; margin-bottom: 22px; }
.ld-luoi { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px 18px; }
.ld { padding: 14px 0 12px; border-top: 2px solid var(--line); position: relative; }
.ld::before { content: ""; position: absolute; left: 0; top: -2px; width: 0; height: 2px; background: var(--gold); transition: width .9s var(--ease); }
.vao.in .ld::before { width: 100%; }
.ld .nam { font-family: var(--mono); font-size: 12px; color: var(--green-deep); letter-spacing: .12em; }
.ld b { display: block; font-family: var(--display); font-weight: 700; font-size: 17px; margin-top: 4px; color: var(--green-deep); line-height: 1.25; }
.ld span { display: block; font-size: 13px; color: var(--ink-3); margin-top: 2px; }
.ld.nay { border-top-color: var(--gold); }

/* ---------- loạt bài 75 năm ---------- */
.bai { display: block; text-decoration: none; color: inherit; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease); }
.bai:hover { transform: translateY(-5px); box-shadow: 0 20px 44px rgba(31, 42, 38, .14); border-color: rgba(201, 169, 97, .7); }
.bai .anh { aspect-ratio: 16 / 10; overflow: hidden; background: var(--green-dark); }
.bai .anh img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.bai:hover .anh img { transform: scale(1.04); }
.bai .than { padding: 18px 20px 20px; }
.bai time { font-family: var(--mono); font-size: 12px; color: var(--green-deep); letter-spacing: .12em; }
.bai h3 { font-family: var(--display); font-weight: 600; font-size: 20px; line-height: 1.3; margin: 8px 0 8px; color: var(--ink); }
.bai p { font-size: 15px; color: var(--ink-2); }
.bai .doc { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--green-deep); }
.bai .doc::after { content: "→"; transition: transform .3s var(--ease); }
.bai:hover .doc::after { transform: translateX(4px); }
.bai.noi { display: grid; grid-template-columns: 1.2fr 1fr; margin-top: 44px; }
.bai.noi .anh { aspect-ratio: auto; min-height: 300px; }
.bai.noi h3 { font-size: 26px; }
.bai-fan { margin-top: 28px; text-align: center; }
.bai-fan .btn { font-size: 16px; padding: 14px 28px; }

/* ---------- giá trị cốt lõi + phương châm Bệnh viện ---------- */
.gia-tri-khoi { background: var(--green-dark); color: #fff; padding: 110px 24px; position: relative; overflow: hidden; }
.gia-tri-khoi::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 55% at 50% 0%, rgba(201, 169, 97, .2), rgba(201, 169, 97, 0) 70%); animation: thoVang 7s ease-in-out infinite alternate; }
.gia-tri-khoi .khoi-in { position: relative; }
.gia-tri-khoi .kicker { color: var(--gold-2); } .gia-tri-khoi .kicker::before { background: var(--gold-2); }
.gia-tri-khoi h2 { font-family: var(--display); font-weight: 700; color: #fff; font-size: clamp(30px, 4vw, 48px); line-height: 1.12; letter-spacing: -.01em; }
.gia-tri-khoi .dan { color: rgba(255, 255, 255, .8); font-size: 18px; max-width: 62ch; margin-top: 18px; }
.gia-tri { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 48px; }
.gt { padding: 26px 22px; border-radius: 14px; border: 1px solid rgba(228, 194, 112, .5); background: rgba(228, 194, 112, .09); }
.gt b { display: block; font-family: var(--display); font-size: 24px; color: var(--gold-2); letter-spacing: .04em; margin-bottom: 8px; }
.gt p { color: rgba(255, 255, 255, .85); font-size: 15px; }
.slogan { color: var(--gold-2); }
.gia-tri-khoi h2.slogan { max-width: 880px; margin-top: 6px; }
.gia-tri-khoi h2.slogan > .slogan-svg { width: min(880px, 100%); margin: 0; }   /* chỉ bản 1 dòng; bản 2 dòng nằm trong span, theo chiều cao */
.slogan-svg { display: block; width: min(960px, 100%); height: auto; margin: 0 auto; filter: drop-shadow(0 2px 14px rgba(228, 194, 112, .28)); }
.slogan-2dong { display: none; }
.slogan-2dong .slogan-dong { display: block; height: clamp(30px, 9vw, 38px); width: auto; max-width: 100%; margin: 0 0 10px; }   /* hai dòng cùng cỡ chữ */
.slogan-2dong .slogan-dong + .slogan-dong { margin-bottom: 0; }

/* ---------- sứ mệnh, tầm nhìn ---------- */
.sm-luoi { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 44px; }
.sm { padding: 34px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; position: relative; overflow: hidden; }
.sm::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: linear-gradient(180deg, var(--gold), var(--green)); }
.sm h3 { font-family: var(--display); font-size: 22px; color: var(--green-deep); margin-bottom: 12px; }
.sm p { color: var(--ink-2); font-size: 17px; line-height: 1.7; }
.sm q { quotes: "“" "”"; font-family: var(--display); font-size: 20px; color: var(--ink); line-height: 1.5; display: block; }

/* ---------- hoạt động chuyên môn ---------- */
.hd-luoi { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 48px; }
.hd { padding: 28px 26px; border-radius: 16px; background: var(--panel); border: 1px solid var(--line); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.hd:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(31, 42, 38, .12); }
.hd svg { width: 46px; height: 46px; color: var(--green-deep); margin-bottom: 16px; }
.hd svg path, .hd svg circle, .hd svg rect, .hd svg line { stroke-dasharray: 220; stroke-dashoffset: 220; transition: stroke-dashoffset 1.6s var(--ease); }
.vao.in .hd svg path, .vao.in .hd svg circle, .vao.in .hd svg rect, .vao.in .hd svg line { stroke-dashoffset: 0; }
.hd h3 { font-family: var(--display); font-size: 20px; color: var(--ink); margin-bottom: 8px; line-height: 1.3; }
.hd p { color: var(--ink-2); font-size: 15px; }
.luu-y { margin-top: 28px; font-size: 14px; color: var(--ink-3); border-left: 3px solid var(--gold); padding-left: 14px; max-width: 70ch; }

/* ---------- đội ngũ ---------- */
.doi-ngu { background: var(--canvas-2); }
.dn-anh { margin-top: 44px; border-radius: 18px; overflow: hidden; box-shadow: 0 24px 60px rgba(31, 42, 38, .18); position: relative; }
.dn-anh img { width: 100%; }
.dn-anh figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 24px 16px; color: #fff; font-size: 14px; background: linear-gradient(180deg, rgba(4, 20, 15, 0), rgba(4, 20, 15, .7)); text-shadow: 0 1px 2px rgba(0, 0, 0, .6); }
.dn-luoi { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; margin-top: 40px; align-items: start; }
.dn-so { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.dn-so div { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.dn-so b { display: block; font-family: var(--display); font-size: 34px; color: var(--green-deep); line-height: 1; }
.dn-so span { font-size: 14px; color: var(--ink-2); display: block; margin-top: 6px; }
.dn-chi-huy { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.dn-chi-huy h3 { font-family: var(--display); font-size: 20px; color: var(--green-deep); margin-bottom: 14px; }
.dn-chi-huy li { list-style: none; padding: 10px 0; border-top: 1px solid var(--line); font-size: 15px; display: flex; flex-direction: column; gap: 2px; }
.dn-chi-huy li b { color: var(--ink); } .dn-chi-huy li span { color: var(--ink-3); font-size: 13px; }
.dn-bo-anh { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.dn-bo-anh img { border-radius: 12px; aspect-ratio: 3 / 2; object-fit: cover; width: 100%; box-shadow: 0 10px 30px rgba(31, 42, 38, .14); }

/* ---------- liên hệ ---------- */
.lien-he { position: relative; }
.lh-luoi { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; margin-top: 44px; align-items: stretch; }
.lh-the { background: var(--green-dark); color: #fff; border-radius: 20px; padding: 40px; position: relative; overflow: hidden; }
.lh-the::after { content: ""; position: absolute; right: -80px; bottom: -120px; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(228, 194, 112, .35), rgba(228, 194, 112, 0) 70%); animation: thoVang 6s ease-in-out infinite alternate; animation-delay: -3s; }
.lh-the h3 { font-family: var(--display); font-size: 30px; line-height: 1.2; margin-bottom: 14px; position: relative; }
.lh-the p { color: rgba(255, 255, 255, .85); position: relative; max-width: 46ch; }
.lh-the .nut { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; position: relative; }
.lh-the .btn-phu { border-color: rgba(255, 255, 255, .5); }
.lh-tt { display: grid; gap: 14px; }
.lh-tt div { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; }
.lh-tt svg { width: 40px; height: 40px; color: var(--green-deep); }
.lh-tt b { display: block; font-size: 12px; font-family: var(--mono); letter-spacing: .14em; color: var(--ink-3); text-transform: uppercase; margin-bottom: 4px; }
.lh-tt span, .lh-tt a { font-size: 16px; color: var(--ink); }
.lh-tt a { text-decoration: none; font-weight: 600; color: var(--green-deep); }

/* ---------- chân trang ---------- */
footer { border-top: 1px solid var(--line); padding: 54px 24px 40px; background: var(--canvas); position: relative; z-index: 1; }
.ft-in { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.ft-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.ft-logo img { width: 56px; height: 56px; object-fit: contain; }
.ft-logo b { display: block; font-size: 15px; letter-spacing: .06em; } .ft-logo small { color: var(--ink-3); font-size: 12px; }
footer p, footer li { font-size: 14px; color: var(--ink-2); }
footer ul { list-style: none; display: grid; gap: 8px; }
footer h4 { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; color: var(--ink-3); text-transform: uppercase; margin-bottom: 14px; }
footer a { color: var(--ink-2); text-decoration: none; } footer a:hover { color: var(--green-deep); }
.ft-duoi { max-width: 1180px; margin: 34px auto 0; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-3); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- nút Messenger nổi ---------- */
.mess { position: fixed; right: 22px; bottom: calc(22px + env(safe-area-inset-bottom, 0px)); z-index: 90; }
.mess a { display: flex; align-items: center; justify-content: center; width: 56px; height: 56px; border-radius: 50%; background: var(--green); box-shadow: 0 6px 22px rgba(0, 166, 80, .4); position: relative; transition: transform .25s var(--ease); }
.mess a:hover { transform: scale(1.06); }
.mess svg { width: 28px; height: 28px; fill: #fff; }
.mess i { position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--green); animation: vongMess 2.2s ease-out infinite; animation-delay: -1s; }
@keyframes vongMess { from { transform: scale(1); opacity: .55; } to { transform: scale(1.7); opacity: 0; } }
.mess-moi { position: fixed; right: 22px; bottom: calc(92px + env(safe-area-inset-bottom, 0px)); z-index: 89; width: min(300px, calc(100vw - 44px)); background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px 38px 16px 18px; box-shadow: 0 14px 40px rgba(31, 42, 38, .2); opacity: 0; transform: translateY(10px); visibility: hidden; transition: opacity .35s var(--ease), transform .35s var(--ease), visibility .35s; }
.mess-moi.hien { opacity: 1; transform: none; visibility: visible; }
.mess-moi b { display: block; font-size: 15px; margin-bottom: 4px; }
.mess-moi p { font-size: 13px; color: var(--ink-2); }
.mess-moi .dong { position: absolute; top: 6px; right: 8px; width: 32px; height: 32px; border: 0; background: transparent; font-size: 20px; color: var(--ink-3); cursor: pointer; border-radius: 6px; }
.mess-moi .btn { margin-top: 10px; padding: 8px 14px; font-size: 13px; }

/* ---------- lên đầu / hình nhỏ ---------- */
@media (pointer: coarse) { .btn, .nav-dt a, .mess a { min-height: 44px; } }
@media (max-width: 1024px) {
  .so-luoi { grid-template-columns: repeat(2, 1fr); }
  .ld-luoi { grid-template-columns: repeat(2, 1fr); }
  .hd-luoi { grid-template-columns: repeat(2, 1fr); }
  .gia-tri { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .khoi { padding: 76px 18px; }
  .nav-links, .nav .btn-chinh, .nav .btn-dn { display: none; }
  .nav-mo { display: flex; }
  .nav-logo b { font-size: 13px; } .nav-logo small { font-size: 10px; }
  .so-lieu { padding: 56px 18px 64px; }
  .so b { font-size: 42px; }
  .so-huy p { text-align: center; }
  .moc { padding-left: 64px; } .dtg-duong { left: 20px; } .moc::before { left: 12px; }
  .moc-anh { grid-template-columns: 1fr; gap: 18px; }
  .moc .nam b { font-size: 28px; }
  .lanh-dao { padding: 24px 18px; }
  .ld-luoi { grid-template-columns: 1fr; gap: 6px; }
  .bai.noi { grid-template-columns: 1fr; }
  .slogan > .slogan-svg { display: none; }
  .slogan-2dong { display: block; }
  .bai.noi .anh { min-height: 0; aspect-ratio: 16 / 10; }
  .gia-tri { grid-template-columns: 1fr; gap: 12px; }
  .sm-luoi, .dn-luoi, .lh-luoi { grid-template-columns: 1fr; }
  .hd-luoi { grid-template-columns: 1fr; }
  .dn-bo-anh { grid-template-columns: 1fr 1fr; }
  .ft-in { grid-template-columns: 1fr; gap: 26px; }
  .lh-the { padding: 28px 22px; }
  .mess { right: 16px; }
}

/* ---------- giảm chuyển động: trạng thái cuối, không video ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; transition-delay: 0s !important; }
  body { opacity: 1; }
  .vao, .vao .part { opacity: 1; transform: none; }
  .dtg-duong i { height: 100%; }
  .moc::before { background: var(--gold); }
  .ld::before { width: 100%; }
  .hd svg path, .hd svg circle, .hd svg rect, .hd svg line { stroke-dashoffset: 0; }
  .moi-truong span { transform: none; }
  html { scroll-behavior: auto; }
}
body.tam-dung *, body.tam-dung *::before, body.tam-dung *::after { animation-play-state: paused !important; }

/* ---------- ảnh toàn cảnh Bệnh viện làm nền khối Giá trị cốt lõi (user chọn phương án A, 11/10/2026) ----------
   Cách làm theo trang hội nghị tại Bệnh viện: ảnh phủ kín khối (object-fit cover, neo 58% chiều cao để giữ hai tòa tháp),
   lớp phủ xanh đậm bên trái (chỗ chữ) nhạt dần sang phải (lộ tòa nhà); điện thoại phủ theo chiều dọc, dùng bản cắt dọc.
   Tương phản chữ đo ở điểm xấu nhất 4 cỡ màn: cong-cu/web-khoaduoc/kiem_nen_bv.py (chữ thường >= 4,5; chữ lớn >= 3,0). */
.gia-tri-khoi { isolation: isolate; }
.gia-tri-khoi > .nen-bv { display: block; position: absolute; inset: 0; z-index: 0; margin: 0; }
.nen-bv img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 58%; filter: saturate(.9) contrast(1.02); }
.gia-tri-khoi::before { z-index: 2; }
.gia-tri-khoi::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(100deg, rgba(6, 38, 31, .97) 0%, rgba(6, 38, 31, .92) 34%, rgba(6, 38, 31, .58) 60%, rgba(6, 38, 31, .32) 100%), linear-gradient(180deg, rgba(6, 38, 31, .45), rgba(6, 38, 31, .08) 40%, rgba(6, 38, 31, .5) 100%); }
.gia-tri-khoi .khoi-in { z-index: 3; }
.gt { background: rgba(6, 38, 31, .55); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-color: rgba(228, 194, 112, .55); }
@media (max-width: 760px) {
  .nen-bv img { object-position: 60% 42%; }
  .gia-tri-khoi::after { background: linear-gradient(180deg, rgba(6, 38, 31, .96) 0%, rgba(6, 38, 31, .88) 30%, rgba(6, 38, 31, .42) 55%, rgba(6, 38, 31, .88) 100%); }
}