/* ============================================================
   VẬN TẢI HỒNG DƯƠNG — shared stylesheet
   Brand: navy #15306E + red #E11722, Be Vietnam Pro
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,400;0,500;0,600;0,700;0,800;1,500&display=swap');

:root{
  --navy:#15306E;
  --navy-600:#1C4089;
  --navy-700:#122A60;
  --navy-deep:#0D2150;
  --navy-ink:#0A1838;
  --red:#E11722;
  --red-bright:#EE2630;
  --red-dark:#B5121B;

  --ink:#111A2E;
  --ink-2:#3C475C;
  --muted:#69728A;
  --muted-2:#97A0B5;

  --line:#E5E9F1;
  --line-2:#EEF1F7;
  --bg:#FFFFFF;
  --bg-soft:#F4F7FC;
  --bg-soft-2:#EEF3FA;

  --white:#fff;

  --radius-1:6px;
  --radius-2:12px;
  --radius-3:20px;
  --radius-pill:999px;

  --shadow-1:0 1px 2px rgba(16,28,56,.06), 0 0 0 1px rgba(16,28,56,.05);
  --shadow-2:0 10px 30px -12px rgba(13,33,80,.28), 0 2px 6px rgba(13,33,80,.08);
  --shadow-3:0 30px 60px -18px rgba(10,24,56,.40), 0 6px 14px rgba(10,24,56,.12);
  --shadow-red:0 14px 30px -10px rgba(225,23,34,.45);

  --maxw:1200px;
  --nav-h:76px;
  --ease:cubic-bezier(.2,0,0,1);

  --font:'Be Vietnam Pro',system-ui,-apple-system,Segoe UI,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html:focus-within{scroll-padding-top:calc(var(--nav-h) + 16px)}
body{
  margin:0;font-family:var(--font);color:var(--ink);
  background:var(--bg);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.12;letter-spacing:-.02em;font-weight:800}
p{margin:0}
::selection{background:var(--navy);color:#fff}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-sm{padding:60px 0}
.bg-soft{background:var(--bg-soft)}
.bg-navy{background:var(--navy-ink);color:#fff}

/* ---------- eyebrow / titles ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--red);margin:0 0 16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--red);display:inline-block;border-radius:2px}
.eyebrow.center{justify-content:center}
.eyebrow.on-navy{color:#fff}
.eyebrow.on-navy::before{background:var(--red-bright)}

.h-sec{font-size:clamp(30px,4vw,46px);color:var(--navy-ink);line-height:1.06}
.bg-navy .h-sec{color:#fff}
.lead{font-size:18px;color:var(--muted);max-width:60ch;margin-top:18px;line-height:1.65}
.bg-navy .lead{color:#C5CEE0}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.red{color:var(--red)}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-weight:700;font-size:15px;line-height:1;cursor:pointer;
  padding:15px 24px;border-radius:var(--radius-1);border:1.5px solid transparent;
  transition:background .16s var(--ease),color .16s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;flex:none}
.btn-red{background:var(--red);color:#fff;box-shadow:var(--shadow-red)}
.btn-red:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-700);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--navy-ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg-soft);border-color:var(--navy)}
.btn-white{background:#fff;color:var(--navy-ink)}
.btn-white:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.btn-outline-white:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ---------- top nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.nav.scrolled{box-shadow:0 6px 24px -16px rgba(10,24,56,.5)}
.nav-inner{max-width:1500px;margin:0 auto;height:100%;padding:0 28px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand img{height:42px;width:auto}
.brand .bt{display:flex;flex-direction:column;line-height:1}
.brand .bt b{font-size:18px;font-weight:800;color:var(--navy);letter-spacing:-.01em}
.brand .bt b em{font-style:normal;color:var(--red)}
.brand .bt span{font-size:10.5px;font-weight:600;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  padding:9px 12px;font-weight:600;font-size:14.5px;color:var(--ink-2);border-radius:var(--radius-1);
  transition:color .14s,background .14s;position:relative;white-space:nowrap;
}
.nav-links a:hover{color:var(--navy);background:var(--bg-soft)}
.nav-links a.active{color:var(--navy)}
.nav-links a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--red);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:10px;flex:none}
.nav-cta .btn{padding:12px 18px;font-size:14.5px}
.nav-phone{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--navy);font-size:15px;white-space:nowrap}
.nav-phone svg{width:19px;height:19px;color:var(--red)}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-1);cursor:pointer;align-items:center;justify-content:center;margin-left:auto}
.nav-burger svg{width:22px;height:22px;color:var(--navy-ink)}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:80;display:none}
.drawer.open{display:block}
.drawer-bg{position:absolute;inset:0;background:rgba(10,24,56,.45);opacity:0;transition:opacity .25s}
.drawer.open .drawer-bg{opacity:1}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(320px,82vw);background:#fff;padding:20px;transform:translateX(100%);transition:transform .3s var(--ease);display:flex;flex-direction:column;gap:6px}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-panel .dh{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-panel a{padding:14px 14px;font-weight:600;font-size:17px;border-radius:var(--radius-1);color:var(--ink)}
.drawer-panel a:hover,.drawer-panel a.active{background:var(--bg-soft);color:var(--navy)}
.drawer-x{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.drawer-x svg{width:20px;height:20px}

/* ---------- language switcher ---------- */
.lang-switch{display:inline-flex;gap:2px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-pill);padding:3px;flex:none}
.lang-switch .ls-btn{border:none;background:transparent;cursor:pointer;font-family:inherit;font-weight:700;font-size:13px;color:var(--muted);padding:6px 8px;border-radius:var(--radius-pill);line-height:1;transition:background .15s,color .15s}
.lang-switch .ls-btn:hover{color:var(--navy)}
.lang-switch .ls-btn.on{background:var(--navy);color:#fff}
.drawer-panel .lang-switch{align-self:flex-start;margin-bottom:10px}

/* ---------- generic cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-2);box-shadow:var(--shadow-1)}

/* ---------- pills / chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);font-weight:600;font-size:14px;color:var(--ink-2)}
.chip svg{width:15px;height:15px;color:var(--red)}
.bg-navy .chip{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#E6EBF5}

/* ---------- value strip (An toàn · Đúng hẹn ...) ---------- */
.valstrip{display:flex;flex-wrap:wrap;align-items:center;gap:10px 28px}
.valstrip .v{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:15px;letter-spacing:.01em}
.valstrip .v .star{color:var(--red);font-size:14px}

/* ---------- footer ---------- */
.footer{background:var(--navy-ink);color:#C5CEE0}
.footer .ftop{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding:70px 0 48px}
.footer h4{color:#fff;font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;margin-bottom:20px}
.footer a{color:#C5CEE0;font-weight:500}
.footer a:hover{color:#fff}
.footer .fcol ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;font-size:15px}
.footer .fbrand img{height:46px;margin-bottom:18px}
.footer .fbrand p{color:#9FAAC4;font-size:15px;max-width:34ch;line-height:1.6}
.footer .fcontact li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.footer .fcontact svg{width:18px;height:18px;color:var(--red-bright);flex:none;margin-top:3px}
.footer .fbot{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#8A94AE}

/* ---------- floating contact buttons ---------- */
.floats{position:fixed;right:18px;bottom:18px;z-index:55;display:flex;flex-direction:column;gap:12px}
.float-btn{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-2);color:#fff;position:relative;transition:transform .2s var(--ease)}
.float-btn:hover{transform:scale(1.08)}
.float-btn svg{width:26px;height:26px}
.float-btn.call{background:var(--red)}
.float-btn.zalo{background:#0068FF;font-weight:800;font-size:15px;letter-spacing:-.02em}
.float-btn .pulse{position:absolute;inset:0;border-radius:50%;border:2px solid currentColor;animation:pulse 2s var(--ease) infinite;opacity:.6}
@keyframes pulse{0%{transform:scale(1);opacity:.5}100%{transform:scale(1.6);opacity:0}}

/* ---------- reveal (always visible; entrance kept subtle & frozen-safe) ----------
   NOTE: content must never depend on an animation/transition *completing* to become
   visible — some embedded/preview renderers freeze CSS timelines at frame 0, which
   would trap elements at opacity:0. So the base state is fully visible. */
.reveal{opacity:1;transform:none}
.hd-anim .reveal{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1340px){
  .nav-links,.nav-phone{display:none}
  .nav-burger{display:flex}
  .nav-cta .btn{display:none}
  .footer .ftop{grid-template-columns:1fr 1fr;gap:32px}
}
/* compact header for tablets / large phones */
@media (max-width:720px){
  :root{--nav-h:60px}
  .nav-inner{padding:0 16px;gap:10px}
  .brand{gap:9px;min-width:0}
  .brand img{height:34px}
  .brand .bt b{font-size:15px;letter-spacing:-.02em;white-space:nowrap}
  .brand .bt span{font-size:9px;letter-spacing:.1em;margin-top:2px}
  .nav-burger{width:42px;height:42px}
}
@media (max-width:620px){
  .section{padding:60px 0}
  .footer .ftop{grid-template-columns:1fr}
  .floats{right:12px;bottom:12px}
}
/* very small phones: tighten further, drop the latin sub-label */
@media (max-width:380px){
  .nav-inner{padding:0 12px;gap:8px}
  .brand img{height:30px}
  .brand .bt b{font-size:14px}
  .brand .bt span{display:none}
  .lang-dd-btn{padding:0 8px;gap:4px}
  .lang-dd-btn>svg:first-child{display:none}
}