/* ============================================================
   HUGIN — Apple-style UI
   Nen sang, chu he thong (SF-like), glass header, pill buttons,
   the bo tron, mockup cua so app.
   ============================================================ */
:root {
  --bg: #ffffff;
  --bg-2: #f5f5f7;
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --ink-3: #86868b;
  --blue: #0071e3;
  --blue-dark: #0077ed;
  --line: #e8e8ed;
  --r: 18px;
  --r-lg: 22px;
  --nav-h: 48px;
  --wrap: 1060px;
  --shadow: 0 30px 70px rgba(0, 0, 0, .12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg { display: block; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ----------------------------------------------------------
   HEADER — glass
   ---------------------------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 200;
  height: var(--nav-h);
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled { border-bottom-color: rgba(0, 0, 0, .08); }
.nav-inner {
  max-width: 1024px; height: 100%; margin: 0 auto;
  display: flex; align-items: center; gap: 8px; padding: 0 20px;
}
.nav-brand { display: inline-flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.nav-brand img { width: 22px; height: 22px; }
.nav-links { display: flex; align-items: center; gap: 2px; margin: 0 auto; }
.nav-links > a, .nav-dd-btn {
  font-size: 14px; color: rgba(0, 0, 0, .8);
  padding: 6px 10px; border-radius: 8px;
  display: inline-flex; align-items: center; gap: 5px;
  transition: color .2s ease;
}
.nav-links > a:hover { color: #000; }
.nav-dd { position: relative; }
.caret { width: 10px; height: 10px; transition: transform .2s ease; }
.nav-dd.open .caret { transform: rotate(180deg); }
.dd-panel {
  position: absolute; top: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 200px; padding: 6px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, .14);
  display: flex; flex-direction: column; gap: 2px;
  opacity: 0; visibility: hidden;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.nav-dd.open .dd-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
/* Nhom dropdown dong bo voi mimir.vn */
.dd-panel.wide { min-width: 340px; padding: 10px; }
.dd-group + .dd-group { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 4px; }
.dd-label { display: block; font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); padding: 8px 12px 5px; }
.dd-grid { display: grid; gap: 4px; }
.dd-grid.two { grid-template-columns: 1fr 1fr; }
.dd-panel a { font-size: 14px; padding: 9px 12px; border-radius: 9px; color: var(--ink-2); }
.dd-panel a:hover { background: var(--bg-2); color: var(--ink); }
.nav-cta { margin-left: auto; }

/* buttons */
.btn-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: #fff;
  background: var(--blue);
  padding: 7px 16px; border-radius: 980px;
  transition: background .2s ease, transform .1s ease;
}
.btn-pill:hover { background: var(--blue-dark); }
.btn-pill:active { transform: scale(.97); }
.btn-pill.btn-primary { font-size: 17px; padding: 12px 26px; }
.btn-pill.btn-secondary {
  background: transparent; color: var(--blue);
  box-shadow: inset 0 0 0 1px var(--blue);
}
.btn-pill.btn-secondary:hover { background: rgba(0, 113, 227, .08); }

.burger { display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 10px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.burger span { width: 16px; height: 2px; background: #1d1d1f; border-radius: 2px; transition: transform .25s ease; }
.burger.open span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.burger.open span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column; align-items: stretch;
    gap: 2px; padding: 10px 18px 18px;
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links > a, .nav-dd-btn { font-size: 16px; padding: 10px 8px; width: 100%; justify-content: space-between; }
  .dd-panel { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; min-width: 0; padding: 2px 0 2px 16px; display: none; }
  .nav-dd.open .dd-panel { display: flex; }
  .nav-cta { display: none; }
  .burger { display: flex; }
}

/* ----------------------------------------------------------
   HERO
   ---------------------------------------------------------- */
.hero {
  position: relative; overflow: hidden;
  box-sizing: border-box;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  padding: calc(var(--nav-h) + 40px) 24px 44px;
  text-align: center;
  background: var(--bg);
}
.hero-glow {
  position: absolute; top: -240px; left: 50%; transform: translateX(-50%);
  width: 920px; height: 540px; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(0, 113, 227, .15), rgba(123, 92, 255, .10) 45%, transparent 70%);
}
.hero-eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(44px, 6vw, 76px); font-weight: 700;
  letter-spacing: -.02em; line-height: 1.04;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #0071e3, #7b5cff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { margin: 22px auto 0; max-width: 580px; font-size: 19px; color: var(--ink-2); }
.hero-actions { margin-top: 30px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-shot { margin: 36px auto 0; max-width: 980px; width: 100%; }
.split-media img.shot { display: block; width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0, 0, 0, .16); }
.split-media canvas.shot { display: block; width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0, 0, 0, .16); background: #fafafb; }
.hero-shot img { display: block; width: auto; max-width: 100%; height: auto; max-height: calc(100vh - 380px); max-height: calc(100svh - 380px); margin: 0 auto; border-radius: 16px; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0, 0, 0, .16); }

.window-card {
  background: #fff; border: 1px solid rgba(0, 0, 0, .08); border-radius: 20px;
  box-shadow: var(--shadow); overflow: hidden; text-align: left;
}
.win-bar { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--ink-3); }
.win-dots { display: flex; gap: 6px; }
.win-dots i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.win-dots i:nth-child(2) { background: #febc2e; }
.win-dots i:nth-child(3) { background: #28c840; }
.win-body { display: grid; grid-template-columns: 200px 1fr; min-height: 330px; }
.win-side { border-right: 1px solid var(--line); padding: 16px 12px; background: #fafafa; }
.side-label { font-size: 11px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); margin: 4px 6px 10px; }
.cls { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; border-radius: 10px; font-size: 13px; color: var(--ink-2); margin-bottom: 2px; }
.cls b { color: var(--ink); font-size: 13px; }
.cls small { font-size: 11px; }
.cls.active { background: #fff; box-shadow: 0 1px 4px rgba(0, 0, 0, .06); }
.side-user { display: flex; align-items: center; gap: 8px; margin-top: 14px; padding: 8px 6px; }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, #0071e3, #7b5cff); color: #fff; font-size: 12px; font-weight: 600; display: grid; place-items: center; }
.side-user p { font-size: 12px; }
.side-user b { display: block; font-size: 12px; }
.side-user small { color: var(--ink-3); font-size: 11px; }
.win-chat { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 80%; padding: 10px 14px; border-radius: 16px; font-size: 13.5px; line-height: 1.45; }
.msg.user { align-self: flex-end; background: var(--blue); color: #fff; border-bottom-right-radius: 5px; }
.msg.ai { align-self: flex-start; background: var(--bg-2); border-bottom-left-radius: 5px; }
.src-chips { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.src-chips span { font-size: 10.5px; color: var(--ink-2); background: #fff; border: 1px solid var(--line); padding: 3px 8px; border-radius: 999px; }
.msg-input { margin-top: auto; display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; font-size: 13px; color: var(--ink-3); background: #fff; }
@media (max-width: 720px) {
  .win-body { grid-template-columns: 1fr; }
  .win-side { display: none; }
  .hero { padding-top: calc(var(--nav-h) + 60px); }
}

/* ----------------------------------------------------------
   BAND + FEATURES
   ---------------------------------------------------------- */
.band { background: var(--bg); padding: 90px 0; }
.sec-title { font-size: clamp(32px, 4.4vw, 52px); font-weight: 700; letter-spacing: -.02em; line-height: 1.08; text-align: center; }
.sec-sub { margin: 14px auto 0; max-width: 540px; text-align: center; color: var(--ink-2); font-size: 17px; }
.feature-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
/* Vung rieng cho ban tinh nang: card rong du de ten feature nam 1 dong */
#tinh-nang .wrap { max-width: 1360px; }
@media (min-width: 1280px) { .feature-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 860px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 26px 20px; transition: transform .25s ease, box-shadow .25s ease; }
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(0, 0, 0, .08); }
.feature-ico { color: var(--blue); margin-bottom: 16px; }
.feature-ico svg { width: 44px; height: 44px; }
.feature-card h3 { font-size: 17px; font-weight: 600; letter-spacing: -.01em; margin-bottom: 8px; text-align: center; }
.feature-card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.55; text-align: center; }

/* ----------------------------------------------------------
   SPLIT (Mimir Office)
   ---------------------------------------------------------- */
.split { padding: 100px 0; background: var(--bg); }
.split-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 70px; align-items: center; }
#mimir-office .wrap { max-width: 1360px; }
#bo-nho .wrap { max-width: 1360px; }
#bo-nho .split-grid { grid-template-columns: 1fr 1.15fr; gap: 56px; }
.mini-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 1100px) { .mini-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 860px) { .mini-grid { grid-template-columns: 1fr; } }
#mimir-office .split-grid { grid-template-columns: 1.15fr 1fr; gap: 56px; }
@media (max-width: 860px) { .split-grid { grid-template-columns: 1fr; gap: 40px; } }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--blue); }
.split-copy h2 { font-size: clamp(32px, 3.8vw, 48px); font-weight: 700; letter-spacing: -.02em; line-height: 1.08; }
.split-copy > p { margin-top: 18px; color: var(--ink-2); font-size: 17px; max-width: 46ch; }
.check-list { list-style: none; margin-top: 24px; display: flex; flex-direction: column; gap: 14px; }
.check-list li { display: flex; gap: 10px; font-size: 15px; }
.check-list li::before { content: "✓"; color: var(--blue); font-weight: 700; }
.check-list small { display: block; color: var(--ink-2); font-size: 13px; margin-top: 2px; }
.link-blue { margin-top: 26px; display: inline-flex; align-items: center; gap: 4px; color: var(--blue); font-size: 17px; }
.link-blue:hover { text-decoration: underline; }

.doc-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.doc-bar { display: flex; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--ink-3); }
.doc-page { padding: 26px; display: flex; flex-direction: column; gap: 12px; background: #fcfcfd; }
.doc-line { height: 12px; border-radius: 6px; background: #e9e9ee; }
.doc-line.title { width: 55%; height: 16px; background: linear-gradient(90deg, #d9d9e0, #e9e9ee); margin-bottom: 6px; }
.doc-line.w80 { width: 80%; } .doc-line.w95 { width: 95%; } .doc-line.w70 { width: 70%; }
.doc-line.w90 { width: 90%; } .doc-line.w60 { width: 60%; } .doc-line.w40 { width: 40%; }
.doc-block { height: 64px; border-radius: 10px; background: linear-gradient(90deg, #e9e9ee 70%, #f4f4f7); margin: 4px 0; }
.doc-ai { display: flex; gap: 12px; padding: 14px 16px; border-top: 1px solid var(--line); align-items: flex-start; }
.doc-ai-mark { width: 28px; height: 28px; border-radius: 9px; background: linear-gradient(135deg, #0071e3, #7b5cff); color: #fff; display: grid; place-items: center; font-size: 13px; flex-shrink: 0; }
.doc-ai p { font-size: 13.5px; color: var(--ink-2); line-height: 1.5; }
.doc-ai .chip { display: inline-block; margin-top: 6px; font-size: 11px; color: var(--ink-2); background: var(--bg-2); border: 1px solid var(--line); padding: 3px 9px; border-radius: 999px; }
.mem-list { display: flex; flex-direction: column; gap: 12px; padding: 18px 18px 6px; background: #fcfcfd; }
.mem-item { display: flex; gap: 10px; align-items: flex-start; }
.mem-item .mem-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); margin-top: 6px; flex-shrink: 0; }
.mem-item p { margin: 0; font-size: 13.5px; color: var(--ink-2); line-height: 1.5; text-align: left; }
.mem-item p b { color: var(--ink); font-weight: 600; }


/* ----------------------------------------------------------
   DOWNLOADS
   ---------------------------------------------------------- */
.dl-cards { margin-top: 52px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 780px; margin-left: auto; margin-right: auto; }
@media (max-width: 720px) { .dl-cards { grid-template-columns: 1fr; } }
.dl-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 34px 30px; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; transition: transform .25s ease, box-shadow .25s ease; }
.dl-card:hover { transform: translateY(-4px); box-shadow: 0 22px 50px rgba(0, 0, 0, .10); }
.dl-tag { position: absolute; top: 20px; right: 20px; font-size: 11px; font-weight: 600; color: var(--blue); background: #e8f2ff; padding: 4px 10px; border-radius: 999px; }
.dl-card h3 { font-size: 22px; font-weight: 600; letter-spacing: -.01em; }
.dl-card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.55; }
.dl-card .btn-pill { margin-top: 14px; }
.note { margin: 26px auto 0; max-width: 660px; text-align: center; color: var(--ink-3); font-size: 12.5px; line-height: 1.6; }

/* ----------------------------------------------------------
   ECOSYSTEM
   ---------------------------------------------------------- */
.eco-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .eco-grid { grid-template-columns: 1fr; } }
.eco-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 26px 24px; transition: transform .25s ease, box-shadow .25s ease; }
.eco-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(0, 0, 0, .08); }
.eco-logo { width: 40px; height: 40px; display: grid; place-items: center; background: var(--bg-2); border-radius: 10px; margin-bottom: 14px; }
.eco-logo img { width: 22px; height: 22px; }
.eco-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.eco-card p { font-size: 14px; color: var(--ink-2); line-height: 1.55; }
.eco-card .link-blue { margin-top: 12px; font-size: 14px; }

/* ----------------------------------------------------------
   FOOTER
   ---------------------------------------------------------- */
.footer { background: var(--bg-2); padding: 46px 0 30px; font-size: 12px; color: var(--ink-3); }
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
@media (max-width: 720px) { .foot-cols { grid-template-columns: 1fr 1fr; } }
.foot-cols h4 { font-size: 12px; font-weight: 600; color: var(--ink-2); margin-bottom: 10px; }
.foot-cols a, .foot-cols span { display: block; color: var(--ink-3); padding: 3px 0; }
.foot-cols a:hover { color: var(--ink); text-decoration: underline; }
.foot-bottom { padding-top: 18px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ----------------------------------------------------------
   TAO ANH + SCAN VAN BAN
   ---------------------------------------------------------- */
.split.gray { background: var(--bg); }
.split.flip .split-media { order: -1; }
@media (max-width: 860px) { .split.flip .split-media { order: 0; } }

.img-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.img-canvas { position: relative; aspect-ratio: 4 / 3; background: linear-gradient(135deg, #0a84ff, #7b5cff 55%, #ff9f0a); overflow: hidden; }
.img-canvas::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 78% 22%, rgba(255,255,255,.35), transparent 40%), radial-gradient(circle at 20% 80%, rgba(255,255,255,.22), transparent 45%); }
.img-prompt { position: absolute; left: 18px; bottom: 18px; max-width: 78%; background: rgba(255,255,255,.92); border-radius: 12px; padding: 10px 14px; font-size: 13px; color: var(--ink); box-shadow: 0 8px 24px rgba(0,0,0,.18); }
.img-prompt b { display: block; font-size: 11px; color: var(--blue); margin-bottom: 2px; }
.img-bar { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-3); }
.img-tools { display: flex; gap: 6px; }
.img-tools i { width: 22px; height: 22px; border-radius: 6px; background: var(--bg-2); }

.scan-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.scan-stage { position: relative; background: #fcfcfd; padding: 30px; }
.scan-page { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 22px 24px; box-shadow: 0 6px 20px rgba(0,0,0,.06); display: flex; flex-direction: column; gap: 10px; }
.scan-page .doc-line { background: #e2e2e8; }
.scan-page::before, .scan-page::after { content: ""; position: absolute; width: 18px; height: 18px; border: 2px solid var(--blue); }
.scan-page::before { top: -2px; left: -2px; border-right: 0; border-bottom: 0; border-top-left-radius: 6px; }
.scan-page::after { bottom: -2px; right: -2px; border-left: 0; border-top: 0; border-bottom-right-radius: 6px; }
.scan-ocr { position: absolute; right: -14px; bottom: -14px; background: var(--blue); color: #fff; font-size: 11.5px; font-weight: 600; padding: 6px 12px; border-radius: 999px; box-shadow: 0 8px 20px rgba(0,113,227,.35); }
.scan-bar { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-3); }
.doc-line.w85 { width: 85%; }

/* ----------------------------------------------------------
   AI GIONG NOI
   ---------------------------------------------------------- */
.voice-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.voice-stage { padding: 40px 32px 34px; display: flex; flex-direction: column; align-items: center; gap: 18px; background: linear-gradient(180deg, #fafbff, #fff); }
.voice-mic { width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, #0a84ff, #7b5cff); color: #fff; display: grid; place-items: center; box-shadow: 0 12px 28px rgba(0, 113, 227, .35); }
.voice-mic svg { width: 26px; height: 26px; }
.voice-wave { display: flex; align-items: center; gap: 4px; height: 40px; }
.voice-wave i { width: 4px; border-radius: 2px; background: var(--blue); animation: vo 1.1s ease-in-out infinite; }
.voice-wave i:nth-child(odd) { animation-delay: .3s; }
.voice-wave i:nth-child(3n) { animation-delay: .55s; }
@keyframes vo { 0%, 100% { height: 8px; } 50% { height: 34px; } }
.voice-text { font-size: 15px; color: var(--ink); font-style: italic; text-align: center; }
.voice-chip { font-size: 11.5px; font-weight: 600; color: var(--blue); background: #e8f2ff; padding: 5px 12px; border-radius: 999px; }
.voice-bar { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-3); }
.voice-live { color: #ff3b30; font-weight: 600; }

/* ----------------------------------------------------------
   REVEAL
   ---------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.22, 1, .36, 1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ==== NAV dong bo mimir.vn (desktop: pill + font + vi tri giong trang chu) ==== */
@media (min-width: 861px) {
  .nav-inner {
    max-width: none; padding: 0 72px; gap: 26px;
    font-family: "Google Sans Flex", "Segoe UI", system-ui, sans-serif;
  }
  .nav-brand { gap: 9px; font-weight: 450; font-size: 16px; letter-spacing: .01em; }
  .nav-brand img { width: 24px; height: 24px; }
  .nav-links { margin: 0 0 0 10px; flex: 1; }
  .nav-links > a, .nav-dd-btn {
    height: 36px; padding: 0 14px; border-radius: 999px;
    font-size: 14.5px; font-weight: 450; letter-spacing: .11px;
    color: #45474d; background: rgba(183, 191, 217, .09);
  }
  .nav-links > a:hover, .nav-dd-btn:hover,
  .nav-dd.open .nav-dd-btn { background: rgba(183, 191, 217, .22); color: #000; }
  .caret { width: 15px; height: 15px; }
}