/* =========================================================
   VĂN LONG AUTO — SHARED STYLES
   Dùng chung cho tất cả các trang.
   ========================================================= */

:root {
  --bg: #0a0a0b;
  --bg-soft: #0f0f10;
  --surface: #141416;
  --surface-2: #1a1a1d;
  --border: rgba(255,255,255,.08);
  --border-strong: rgba(255,255,255,.13);
  --gold: #c9a84c;
  --gold-light: #e2c47a;
  --gold-dark: #9a7a2e;
  --text: #f0ede8;
  --muted: rgba(240,237,232,.58);
  --faint: rgba(240,237,232,.34);
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Syne', 'Montserrat', system-ui, sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --nav-h: 72px;
  --radius: 12px;
  --radius-lg: 20px;
  --ease: .3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea { font: inherit; }
button { border: 0; background: none; cursor: pointer; }

.container { width: min(1280px, calc(100% - 64px)); margin-inline: auto; }
.section { position: relative; padding: 100px 0; }
.section-header { margin-bottom: 60px; text-align: center; }
.section-eyebrow { display: block; margin-bottom: 12px; color: var(--gold); font: 700 .75rem/1 var(--font-display); letter-spacing: .22em; text-transform: uppercase; }
.section-title { margin-bottom: 16px; color: var(--text); font: 300 clamp(2.2rem, 4vw, 3.5rem)/1.15 var(--font-serif); }
.section-title em { color: var(--gold); font-style: italic; }
.section-subtitle { max-width: 560px; margin-inline: auto; color: var(--muted); }
.artist-heading .section-subtitle {
  font-family: 'Montserrat', 'Inter', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: .01em;
}

/* Navigation */
.navbar { position: fixed; inset: 0 0 auto; z-index: 1000; height: var(--nav-h); background: #111; transition: background var(--ease), box-shadow var(--ease); }
.navbar.scrolled { background: rgba(10,10,11,.94); backdrop-filter: blur(18px); box-shadow: 0 1px 0 var(--border); }
.nav-container { width: min(1280px, calc(100% - 64px)); height: 100%; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav-brand { display: flex; align-items: center; }
.nav-brand .logo { width: auto; height: 64px; max-width: 220px; object-fit: contain; }
.site-search { position: relative; display: flex; flex: 0 1 310px; min-width: 220px; align-items: center; margin-inline: auto; border: 1px solid var(--border-strong); border-radius: 7px; background: #fff; transition: border-color var(--ease), box-shadow var(--ease); }
.site-search:focus-within { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(121,88,0,.12); }
.site-search input { width: 100%; min-width: 0; height: 40px; padding: 0 8px 0 14px; border: 0; outline: 0; background: transparent; color: #202a36; font: 400 13px/1.2 var(--font-sans); }
.site-search input::placeholder { color: #667382; opacity: 1; }
.site-search-submit { display: grid; flex: 0 0 36px; width: 36px; height: 36px; place-items: center; margin-right: 2px; border-radius: 5px; color: #795800; }
.site-search-submit:hover { background: #f4f6f9; }
.site-search-results { position: absolute; top: calc(100% + 8px); right: 0; left: 0; z-index: 1100; display: grid; max-height: min(360px, calc(100vh - 100px)); gap: 2px; overflow-y: auto; padding: 5px; border: 1px solid var(--border-strong); border-radius: 8px; background: #fff; box-shadow: 0 12px 28px rgba(16,24,40,.18); }
.site-search-results[hidden] { display: none; }
.site-search-result { display: block; padding: 10px 12px; border-radius: 5px; color: #202a36; font-size: 13px; line-height: 1.4; }
.site-search-result:hover, .site-search-result:focus-visible { outline: 0; background: #edf1f5; color: #202a36; }
.site-search-empty { padding: 12px; color: #667382; font-size: 13px; }
.nav-menu { display: flex; align-items: center; gap: 2rem; }
.nav-menu--static { display: flex !important; }
.nav-link { position: relative; color: var(--muted); font: 500 .875rem/1.2 var(--font-display); letter-spacing: .04em; transition: color var(--ease); }
.nav-link::after { content: ''; position: absolute; left: 0; bottom: -5px; width: 0; height: 1px; background: var(--gold); transition: width var(--ease); }
.nav-link:hover, .nav-link.active-nav { color: var(--text); }
.nav-link:hover::after, .nav-link.active-nav::after { width: 100%; }
.nav-link.nav-cta { padding: .55rem 1.35rem; border-radius: 999px; background: var(--gold); color: #0a0a0b; font-weight: 700; }
.nav-link.nav-cta::after { display: none; }
.nav-link.nav-cta:hover { background: var(--gold-light); }
.nav-toggle { display: none; padding: 8px; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 24px; height: 2px; border-radius: 2px; background: var(--text); transition: transform var(--ease), opacity var(--ease); }
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
.nav-cart { display: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .85rem 1.8rem; border-radius: 6px; font: 700 .82rem/1.2 'Montserrat', var(--font-sans); letter-spacing: .03em; text-transform: uppercase; transition: transform var(--ease), background var(--ease), color var(--ease), border-color var(--ease), box-shadow var(--ease); }
.btn-primary { border: 2px solid var(--gold); background: var(--gold); color: #111; box-shadow: 0 4px 15px rgba(201,168,76,.25); }
.btn-primary:hover { transform: translateY(-2px); background: transparent; color: var(--gold); }
.btn-secondary { border: 2px solid #fff; background: rgba(255,255,255,.08); color: #fff; backdrop-filter: blur(5px); }
.btn-secondary:hover { transform: translateY(-2px); background: #fff; color: #111; }
.btn-full { width: 100%; }

/* Footer */
.footer { padding: 60px 0 30px; border-top: 1px solid var(--border); background: var(--surface); }
.footer-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; flex-wrap: wrap; margin-bottom: 40px; }
.footer-brand .brand-name { color: var(--gold); font: 600 1.8rem/1 var(--font-serif); }
.footer-brand .brand-sub { display: block; margin-top: 3px; color: var(--muted); font: 600 .65rem/1 var(--font-display); letter-spacing: .3em; text-transform: uppercase; }
.footer-tagline { margin-top: 8px; color: var(--faint); font-size: .8rem; font-style: italic; }
.footer-links { display: flex; flex-direction: column; gap: .6rem; }
.footer-links a { color: var(--muted); font-size: .875rem; transition: color var(--ease); }
.footer-links a:hover { color: var(--gold); }
.footer-social { display: flex; gap: .75rem; }
.footer-social-link { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--border-strong); border-radius: 12px; transition: border-color var(--ease), background var(--ease), transform var(--ease); }
.footer-social-link:hover { transform: translateY(-2px); border-color: var(--gold); background: rgba(201,168,76,.1); }
.footer-bottom { padding-top: 24px; border-top: 1px solid var(--border); text-align: center; }
.footer-bottom p { color: var(--faint); font-size: .8rem; }
.footer--simple { padding: 34px 0; text-align: center; }
.footer--simple p { color: var(--faint); font-size: .82rem; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* Floating Zalo + Music */
.zalo-floating { position: fixed; left: 40px; bottom: 40px; z-index: 9999; display: flex; align-items: center; }
.zalo-icon-wrapper { position: relative; z-index: 2; width: 60px; height: 60px; display: grid; place-items: center; border-radius: 50%; background: #0068ff; box-shadow: 0 4px 12px rgba(0,104,255,.4); animation: pulse-zalo 1.5s infinite; }
.zalo-label { margin-left: -35px; padding: 10px 20px 10px 45px; border-radius: 30px; background: #fff; color: #0068ff; font-weight: 600; box-shadow: 0 4px 10px rgba(0,0,0,.12); }
.music-floating { position: fixed; right: 40px; bottom: 40px; z-index: 9999; width: 55px; height: 55px; display: grid; place-items: center; border-radius: 50%; background: linear-gradient(135deg,#fa243c,#ff5e7e); box-shadow: 0 4px 15px rgba(250,36,60,.4); transition: transform var(--ease); }
.music-floating:hover { transform: scale(1.08); }
.music-icon { position: relative; z-index: 2; color: #fff; font-size: 22px; }
.music-playing .music-icon { animation: spin 3s linear infinite; }
.flying-heart { position: absolute; top: 50%; left: 50%; z-index: 1; pointer-events: none; animation: heart-fly 1.2s ease-out forwards; }
@keyframes pulse-zalo { 0% { box-shadow: 0 0 0 0 rgba(0,104,255,.6); } 70% { box-shadow: 0 0 0 15px rgba(0,104,255,0); } 100% { box-shadow: 0 0 0 0 rgba(0,104,255,0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes heart-fly { to { opacity: 0; transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty))) scale(1.5) rotate(var(--rot)); } }

/* Responsive shared */
@media (max-width: 768px) {
  :root { --nav-h: 68px; }
  .container, .nav-container { width: calc(100% - 32px); }
  #navbar { --nav-h: 122px; height: auto; }
  #navbar .nav-container--home { height: auto; display: grid; grid-template-columns: 44px minmax(0, 1fr) 44px; grid-template-rows: 68px 42px; gap: 4px 8px; padding-bottom: 8px; }
  #navbar .nav-container--home .nav-brand { grid-column: 2; grid-row: 1; justify-self: center; }
  .section { padding: 64px 0; }
  .section-header { margin-bottom: 36px; }
  .section-title { font-size: clamp(2rem, 9vw, 2.75rem); }
  .nav-brand .logo { height: 54px; max-width: 170px; }
  #navbar .nav-container--home .nav-brand .logo { height: 60px; max-width: 190px; }
  #navbar .nav-container--home .nav-toggle { grid-column: 1; grid-row: 1; display: flex; width: 44px; height: 44px; align-items: center; justify-content: center; justify-self: start; padding: 8px; }
  #navbar .nav-container--home .nav-cart { grid-column: 3; grid-row: 1; display: grid; width: 44px; height: 44px; place-items: center; justify-self: end; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; }
  #navbar .nav-container--home .site-search { grid-column: 1 / -1; grid-row: 2; display: flex; width: calc(100% - 16px); min-width: 0; height: 38px; justify-self: center; margin: 0; }
  #navbar .nav-container--home .site-search input { height: 36px; }
  .nav-menu { display: none; position: absolute; top: var(--nav-h); left: 0; right: 0; width: 100%; max-height: calc(100dvh - var(--nav-h)); overflow-y: auto; flex-direction: column; align-items: stretch; gap: 1rem; padding: 1.25rem 1rem; border-bottom: 1px solid var(--border); background: rgba(10,10,11,.98); backdrop-filter: blur(18px); }
  .nav-menu.open { display: flex; }
  .nav-menu--static { position: static; width: auto; max-height: none; padding: 0; border: 0; background: none; backdrop-filter: none; flex-direction: row; }
  .nav-menu .nav-link { display: block; padding: .45rem 0; }
  .nav-link.nav-cta { width: fit-content; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .footer-links { align-items: center; }
  .zalo-floating { left: 12px; bottom: 14px; }
  .zalo-icon-wrapper { width: 48px; height: 48px; }
  .zalo-label { max-width: calc(100vw - 110px); margin-left: -30px; padding: 8px 12px 8px 38px; font-size: .72rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .music-floating { right: 12px; bottom: 14px; width: 48px; height: 48px; }
}

@media (min-width: 769px) and (max-width: 1000px) {
  .site-search { display: none; }
}

@media (max-width: 420px) {
  .container, .nav-container { width: calc(100% - 24px); }
  .section { padding: 52px 0; }
  .footer { padding-bottom: 86px; }
}

@media (hover: none), (pointer: coarse) {
  .reveal { transition-duration: .35s; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Nghệ sĩ & KOL: 5 ảnh desktop, 3 tablet, 2 mobile */
.artist-section { overflow: hidden; scroll-margin-top: var(--nav-h); border-top: 1px solid var(--border); background: var(--bg-soft); }
.artist-heading { margin-bottom: 38px; }
.artist-section, .artist-section button { font-family: 'Montserrat', sans-serif; }
.artist-tabs { display: flex; justify-content: center; gap: 8px; margin: -14px 0 28px; border-bottom: 1px solid var(--border); }
.artist-tab { padding: 12px 18px; border-bottom: 2px solid transparent; color: var(--muted); font-size: 13px; font-weight: 600; transition: color var(--ease), border-color var(--ease); }
.artist-tab[aria-selected="true"] { border-color: var(--gold); color: var(--text); }
.artist-tab:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }
.artist-panel[hidden] { display: none; }
.artist-slider { position: relative; }
.artist-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  overscroll-behavior-inline: contain;
}
.artist-track::-webkit-scrollbar { display: none; }
.artist-card {
  position: relative;
  flex: 0 0 calc((100% - 64px) / 5);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--surface);
  scroll-snap-align: start;
}
.artist-media { position: absolute; inset: 0; display: grid; place-items: center; color: var(--faint); font-size: 12px; letter-spacing: .15em; }
.artist-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.artist-caption { position: absolute; inset: auto 0 0; z-index: 2; padding: 52px 15px 15px; background: linear-gradient(transparent, rgba(0,0,0,.92)); }
.artist-caption h3 { color: #fff; font-size: 14px; line-height: 1.3; }
.artist-caption p { margin-top: 3px; color: var(--gold-light); font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.artist-card:hover .artist-media img { transform: scale(1.06); }
.artist-arrow {
  position: absolute;
  top: 50%;
  z-index: 5;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 50%;
  background: rgba(0,0,0,.72);
  color: #fff;
  font-size: 28px;
  transform: translateY(-50%);
  transition: background var(--ease), color var(--ease);
}
.artist-arrow:hover { background: var(--gold); color: #111; }
.artist-prev { left: 10px; }
.artist-next { right: 10px; }
.certificate-prev { left: 10px; }
.certificate-next { right: 10px; }
.artist-dots { display: flex; justify-content: center; gap: 7px; margin-top: 22px; }
.artist-dot { width: 7px; height: 7px; border-radius: 50%; background: #555; transition: width var(--ease), background var(--ease); }
.artist-dot.active { width: 22px; border-radius: 10px; background: var(--gold); }
.certificate-slider { position: relative; }
.certificate-track { display: flex; gap: 16px; overflow-x: auto; scroll-behavior: smooth; scroll-snap-type: x mandatory; scrollbar-width: none; overscroll-behavior-inline: contain; }
.certificate-track::-webkit-scrollbar { display: none; }
.certificate-card { display: flex; min-width: 0; flex: 0 0 calc((100% - 48px) / 4); flex-direction: column; overflow: hidden; aspect-ratio: auto; border: 1px solid var(--border-strong); border-radius: 12px; background: var(--surface); scroll-snap-align: start; }
.certificate-media { position: relative; overflow: hidden; background: var(--surface-2); }
.certificate-media img { display: block; width: 100%; height: auto; object-fit: contain; }
.certificate-card h3 { padding: 12px 14px; color: var(--text); font-size: 13px; }

@media (max-width: 900px) {
  .artist-card { flex-basis: calc((100% - 32px) / 3); }
  .certificate-card { flex-basis: calc((100% - 32px) / 3); }
}

@media (max-width: 600px) {
  .artist-heading { margin-bottom: 28px; }
  .artist-tabs { gap: 0; margin: -8px 0 22px; }
  .artist-tab { padding: 11px 9px; font-size: 11px; }
  .artist-track { gap: 10px; }
  .artist-card { flex-basis: calc((100% - 10px) / 2); border-radius: 10px; }
  .artist-caption { padding: 38px 11px 11px; }
  .artist-caption h3 { font-size: 12px; }
  .artist-caption p { font-size: 9px; }
  .artist-arrow { display: none; }
  .certificate-track { gap: 10px; }
  .certificate-card { flex-basis: calc((100% - 10px) / 2); }
  .certificate-card h3 { padding: 10px; font-size: 11px; }
}
/* =========================================================
   VĂN LONG AUTO — PRODUCT DETAIL
   Mọi class dùng tiền tố pd- để không xung đột CSS trang khác.
   ========================================================= */

.pd-page { padding-top: var(--nav-h); background: var(--bg); }
.pd-container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }

/* Breadcrumb */
.pd-breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; padding: 22px 0 16px; color: var(--faint); font-size: 12px; }
.pd-breadcrumb a:hover { color: var(--gold); }
.pd-breadcrumb span[aria-hidden="true"] { color: rgba(255,255,255,.18); }

/* Overview */
.pd-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(360px, .97fr);
  gap: 42px;
  align-items: start;
  padding: 20px 0 42px;
}

.pd-media { position: sticky; top: calc(var(--nav-h) + 20px); }
.pd-main-image {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  background: #f4f4f4;
}
.pd-main-image img { width: 100%; height: 100%; object-fit: contain; }
.pd-sale {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 7px 10px; border-radius: 6px;
  background: #ef4319; color: #fff;
  font: 800 12px/1 'Montserrat', var(--font-sans);
}
.pd-image-note { margin-top: 10px; color: var(--faint); font-size: 11px; text-align: center; }

/* Summary */
.pd-summary { padding-top: 4px; }
.pd-brand {
  display: inline-flex; align-items: center;
  margin-bottom: 12px; padding: 6px 9px;
  border: 1px solid rgba(212,175,55,.26); border-radius: 6px;
  background: rgba(212,175,55,.08); color: var(--gold);
  font: 800 10px/1 'Montserrat', var(--font-sans);
  letter-spacing: .12em; text-transform: uppercase;
}
.pd-title { margin: 0 0 14px; color: #fff; font: 800 clamp(1.65rem,3vw,2.35rem)/1.25 'Montserrat', var(--font-sans); }
.pd-short { margin-bottom: 20px; color: var(--muted); font-size: 14px; line-height: 1.75; }

.pd-price-box { padding: 18px 0; border-block: 1px solid var(--border); }
.pd-price-label { display: block; margin-bottom: 5px; color: var(--faint); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.pd-price-row { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 12px; }
.pd-price-current { color: #ffd700; font: 800 28px/1.2 'Montserrat', var(--font-sans); }
.pd-price-old { color: #777; font-size: 13px; text-decoration: line-through; }
.pd-discount { padding: 4px 7px; border-radius: 4px; background: rgba(239,67,25,.12); color: #ff7048; font: 700 10px/1 'Montserrat', var(--font-sans); }

.pd-points { display: grid; gap: 9px; margin: 20px 0; }
.pd-point { display: flex; gap: 9px; align-items: flex-start; color: #c7c7c7; font-size: 13px; line-height: 1.55; }
.pd-point::before { content: '✓'; flex: 0 0 auto; color: var(--gold); font-weight: 800; }

.pd-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pd-btn {
  min-height: 46px; display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 14px; border-radius: 8px;
  font: 700 12px/1.2 'Montserrat', var(--font-sans); text-align: center;
  transition: transform var(--ease), border-color var(--ease), background var(--ease), color var(--ease);
}
.pd-btn:hover { transform: translateY(-2px); }
.pd-btn--primary { background: var(--gold); color: #111; }
.pd-btn--primary:hover { background: var(--gold-light); }
.pd-btn--ghost { border: 1px solid var(--border-strong); color: #fff; }
.pd-btn--ghost:hover { border-color: var(--gold); color: var(--gold); }

/* Anchor bar */
.pd-anchorbar {
  position: sticky; top: var(--nav-h); z-index: 20;
  display: flex; gap: 8px; overflow-x: auto;
  margin-bottom: 34px; padding: 10px;
  border: 1px solid var(--border); border-radius: 10px;
  background: rgba(15,15,16,.95); backdrop-filter: blur(14px);
  scrollbar-width: none;
}
.pd-anchorbar::-webkit-scrollbar { display: none; }
.pd-anchorbar a { white-space: nowrap; padding: 8px 12px; border-radius: 6px; color: var(--muted); font: 700 11px/1 'Montserrat', var(--font-sans); }
.pd-anchorbar a:hover { background: rgba(212,175,55,.08); color: var(--gold); }

/* Content */
.pd-content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 34px; align-items: start; }
.pd-article { display: grid; gap: 16px; min-width: 0; }
.pd-section { scroll-margin-top: calc(var(--nav-h) + 72px); padding: 20px 22px 22px; border: 1px solid var(--border-strong); border-radius: 12px; background: var(--surface); }
.pd-section h2 { margin-bottom: 13px; color: #fff; font: 800 21px/1.35 'Montserrat', var(--font-sans); }
.pd-section h3 { margin: 24px 0 8px; color: #fff; font: 700 15px/1.4 'Montserrat', var(--font-sans); }
.pd-section p { margin-bottom: 14px; color: var(--muted); font-size: 14px; line-height: 1.82; }
.pd-section ul { display: grid; gap: 8px; margin: 14px 0; }
.pd-section li { position: relative; padding-left: 19px; color: #bcbcbc; font-size: 13px; line-height: 1.6; }
.pd-section li::before { content: '•'; position: absolute; left: 2px; color: var(--gold); }
.product-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 18px;
}
.product-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--surface);
}
.product-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
}
.pd-detail-image {
  display: block;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1 / 1;
  height: auto;
  margin: 22px auto 30px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #151515;
  object-fit: contain;
}

/* Specs */
.pd-sidebar { position: sticky; top: calc(var(--nav-h) + 72px); }
.pd-spec-card { padding: 20px; border: 1px solid var(--border-strong); border-radius: 12px; background: var(--surface); }
.pd-spec-card h2 { margin-bottom: 14px; color: #fff; font: 800 16px/1.3 'Montserrat', var(--font-sans); }
.pd-spec-list { display: grid; }
.pd-spec-row { display: grid; grid-template-columns: 1fr 1.15fr; gap: 12px; padding: 10px 0; border-top: 1px solid var(--border); font-size: 12px; line-height: 1.45; }
.pd-spec-row:first-child { border-top: 0; }
.pd-spec-row dt { color: var(--faint); }
.pd-spec-row dd { color: #dedede; font-weight: 600; text-align: right; }

/* CTA */
.pd-cta { margin: 10px 0 46px; padding: 24px; border: 1px solid rgba(212,175,55,.22); border-radius: 14px; background: linear-gradient(135deg,rgba(212,175,55,.08),rgba(255,255,255,.02)); }
.pd-cta h2 { margin-bottom: 7px; color: #fff; font: 800 18px/1.35 'Montserrat', var(--font-sans); }
.pd-cta p { margin-bottom: 15px; color: var(--muted); font-size: 13px; line-height: 1.65; }

/* Related products */
.pd-related { padding: 38px 0 58px; border-top: 1px solid var(--border); }
.pd-related-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.pd-related h2 { color: #fff; font: 800 20px/1.35 'Montserrat', var(--font-sans); }
.pd-related-all { color: var(--gold); font-size: 12px; font-weight: 700; }
.pd-related-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
.pd-related-card { overflow: hidden; border: 1px solid var(--border); border-radius: 9px; background: #141414; }
.pd-related-card img { width: 100%; aspect-ratio: 1/1; background: #f4f4f4; object-fit: contain; }
.pd-related-body { padding: 10px; }
.pd-related-name { display: -webkit-box; min-height: 33px; overflow: hidden; color: #fff; font: 600 11px/1.45 'Montserrat',var(--font-sans); line-clamp: 2; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.pd-related-price { margin-top: 7px; color: #ffd700; font: 800 13px/1.2 'Montserrat', var(--font-sans); }

@media (max-width: 900px) {
  .pd-overview { grid-template-columns: 1fr 1fr; gap: 24px; }
  .pd-content-grid { grid-template-columns: 1fr; }
  .pd-sidebar { position: static; }
  .pd-related-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
}

@media (max-width: 680px) {
  .pd-container { width: calc(100% - 24px); }
  .pd-breadcrumb { padding-top: 16px; font-size: 10px; }
  .pd-overview { grid-template-columns: 1fr; gap: 20px; padding-top: 8px; }
  .pd-media { position: static; }
  .pd-main-image { border-radius: 12px; }
  .pd-title { font-size: 1.45rem; }
  .pd-short { font-size: 13px; }
  .pd-price-current { font-size: 23px; }
  .pd-actions { grid-template-columns: 1fr; }
  .pd-anchorbar { top: var(--nav-h); margin-inline: -2px; }
  .pd-section h2 { font-size: 18px; }
  .pd-section p { font-size: 13px; line-height: 1.72; }
  .pd-related-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
}
/* =====================================================
   VAN LONG AUTO - PRODUCT GRID
   DESKTOP: 5 SẢN PHẨM / HÀNG
===================================================== */

.audio-catalog {
  width: 100%;
  padding: 0 20px 60px;
}


/* ================= GRID ================= */

.catalog-grid {
  display: grid;

  /* Desktop luôn đúng 5 sản phẩm */
  grid-template-columns: repeat(5, minmax(0, 1fr));

  gap: 16px;

  width: 100%;
  max-width: 1050px;

  margin: 0 auto;

  align-items: stretch;
}


/* ================= CARD ================= */

.catalog-card {
  width: 100%;
  min-width: 0;
  max-width: none;

  display: flex;
  flex-direction: column;

  overflow: hidden;

  background: #151515;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 9px;

  transition:
    transform 0.25s ease,
    border-color 0.25s ease;
}

.catalog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 175, 55, 0.7);
}


/* ================= ẢNH ================= */

.catalog-image {
  position: relative;

  display: block;

  width: 100%;
  aspect-ratio: 1 / 1;

  overflow: hidden;

  background: #f3f3f3;
}

.catalog-image img {
  width: 100%;
  height: 100%;

  display: block;

  object-fit: cover;

  transition: transform 0.35s ease;
}

.catalog-card:hover .catalog-image img {
  transform: scale(1.04);
}


/* ================= SALE ================= */

.sale-badge {
  position: absolute;

  top: 8px;
  left: 8px;

  z-index: 2;

  padding: 4px 7px;

  background: #d4af37;
  color: #111;

  border-radius: 4px;

  font-size: 10px;
  font-weight: 700;
}


/* ================= CONTENT ================= */

.catalog-body {
  display: flex;
  flex-direction: column;

  flex: 1;

  padding: 10px;
}


/* ================= NAME ================= */

.catalog-name {
  display: -webkit-box;

  -webkit-box-orient: vertical;
  line-clamp: 2;
  -webkit-line-clamp: 2;

  overflow: hidden;

  min-height: 38px;

  color: #f3f3f3;

  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 600;

  line-height: 1.55;

  transition: color 0.2s ease;
}

.catalog-name:hover {
  color: #d4af37;
}


/* ================= PRICE ================= */

.catalog-price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;

  gap: 5px;

  margin-top: auto;
  padding-top: 8px;
}

.price-current {
  color: #ffd700;

  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 800;
}

.price-old {
  color: #777;

  font-size: 9px;

  text-decoration: line-through;
}


/* =====================================================
   RESPONSIVE
===================================================== */


/* TABLET LỚN: 4 CARD */
@media (max-width: 1000px) {

  .catalog-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

}


/* TABLET: 3 CARD */
@media (max-width: 800px) {

  .catalog-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

}


/* MOBILE: 2 CARD */
@media (max-width: 600px) {

  .audio-catalog {
    padding-left: 10px;
    padding-right: 10px;
  }

  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .catalog-body {
    padding: 8px;
  }

  .catalog-name {
    min-height: 34px;
    font-size: 10px;
  }

  .price-current {
    font-size: 12px;
  }

}
/* MOBILE RẤT NHỎ */
@media (max-width: 360px) {

  .catalog-grid {
    gap: 8px;
  }

  .catalog-name {
    font-size: 9px;
  }

}/* =====================================
   PRODUCT IMAGE SLIDER
===================================== */

.product-gallery {
  padding: 45px 0 60px;
  border-top: 1px solid var(--border);
}


/* TITLE */

.gallery-head {
  margin-bottom: 20px;
}

.gallery-head span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
}

.gallery-head h2 {
  margin-top: 7px;

  color: #fff;

  font-size: 24px;
  font-weight: 700;
}


/* SLIDER */

.gallery-slider {
  position: relative;

  overflow: hidden;

  border: 1px solid var(--border);
  border-radius: 14px;

  background: #111;
}


.gallery-track {
  display: flex;

  transition: transform .45s ease;
}


/* SLIDE */

.gallery-slide {
  min-width: 100%;
}


.gallery-slide img {
  display: block;

  width: 100%;
  max-height: 720px;

  object-fit: contain;

  background: #111;
}


/* =====================================
   ARROWS
===================================== */

.gallery-arrow {
  position: absolute;

  top: 50%;
  transform: translateY(-50%);

  z-index: 5;

  width: 46px;
  height: 46px;

  display: grid;
  place-items: center;

  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;

  background: rgba(0,0,0,.65);

  color: #fff;

  font-size: 30px;

  cursor: pointer;

  transition: .25s;
}


.gallery-arrow:hover {
  background: var(--gold);

  color: #111;

  border-color: var(--gold);
}


.gallery-prev {
  left: 16px;
}


.gallery-next {
  right: 16px;
}


/* =====================================
   DOTS
===================================== */

.gallery-dots {
  display: flex;

  justify-content: center;
  align-items: center;

  gap: 8px;

  margin-top: 18px;
}


.gallery-dot {
  width: 8px;
  height: 8px;

  padding: 0;

  border: 0;
  border-radius: 50%;

  background: #555;

  cursor: pointer;

  transition: .25s;
}


.gallery-dot.active {
  width: 24px;

  border-radius: 20px;

  background: var(--gold);
}


/* =====================================
   MOBILE
===================================== */

@media (max-width: 600px) {

  .product-gallery {
    padding: 32px 0 45px;
  }


  .gallery-head h2 {
    font-size: 19px;
  }


  .gallery-arrow {
    width: 38px;
    height: 38px;

    font-size: 25px;
  }


  .gallery-prev {
    left: 8px;
  }


  .gallery-next {
    right: 8px;
  }


  .gallery-slide img {
    max-height: 520px;
  }

}.ppf-price-image {
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
}

.ppf-price-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  border-radius: 10px;
}

/* LED DETAIL */
.led-detail-page,
.led-detail-page button { font-family: 'Montserrat', sans-serif; }

.led-detail-page .pd-main-image { aspect-ratio: 4 / 3; background: #111; }
.led-detail-page .pd-main-image img { object-fit: cover; }

.led-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 10px; }
.led-thumb { padding: 0; overflow: hidden; border: 2px solid transparent; border-radius: 9px; background: #111; opacity: .65; cursor: pointer; transition: .2s ease; }
.led-thumb img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.led-thumb:hover, .led-thumb.active { opacity: 1; border-color: var(--gold); }

.led-block { padding: 56px 0; border-top: 1px solid var(--border); }
.led-block__head { margin-bottom: 24px; text-align: center; }
.led-block__head span { color: var(--gold); font-size: 11px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.led-block__head h2 { margin-top: 7px; color: #fff; font-size: 24px; }

.led-feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.led-feature-grid article { padding: 22px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
.led-feature-grid b { display: block; margin-bottom: 14px; color: var(--gold); }
.led-feature-grid h3 { margin-bottom: 7px; color: #fff; font-size: 14px; }
.led-feature-grid p { color: var(--muted); font-size: 12px; }

.led-package-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.led-package { position: relative; padding: 28px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.led-package.featured { border: 2px solid var(--gold); }
.led-package__tag { position: absolute; top: 0; right: 0; padding: 6px 12px; border-radius: 0 9px 0 9px; background: var(--gold); color: #111; font-size: 10px; font-weight: 700; }
.led-package h3 { color: #fff; font-size: 22px; }
.led-package > strong { display: block; margin: 4px 0 16px; color: var(--gold-light); font-size: 25px; }
.led-package ul { display: grid; gap: 8px; margin-bottom: 20px; }
.led-package li { color: var(--muted); font-size: 13px; }
.led-package li::before { content: '✓'; margin-right: 8px; color: var(--gold); }

/* Slider ngang 5 ảnh */
.led-detail-page .product-gallery { padding: 56px 0; }
.led-detail-page .gallery-head { text-align: center; }
.led-detail-page .gallery-slider { aspect-ratio: 16 / 9; }
.led-detail-page .gallery-track { height: 100%; }
.led-detail-page .gallery-slide { flex: 0 0 100%; height: 100%; }
.led-detail-page .gallery-slide img { width: 100%; height: 100%; max-height: none; object-fit: cover; }
.led-detail-page .gallery-dot.active { width: 8px; border-radius: 50%; }

@media (max-width: 800px) {
  .led-feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .led-block, .led-detail-page .product-gallery { padding: 40px 0; }
  .led-feature-grid, .led-package-grid { grid-template-columns: 1fr; }
  .led-feature-grid article, .led-package { padding: 20px; }
  .led-block__head h2, .gallery-head h2 { font-size: 19px; }
  .led-detail-page .gallery-slider { aspect-ratio: 16 / 10; }
}
/* --- NÚT LIÊN HỆ & SOCIAL ICON (Phần Giới thiệu CEO) --- */
.about-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap; /* Cho phép rớt dòng nếu màn hình điện thoại quá nhỏ */
  gap: 18px; /* Khoảng cách giữa nút và cụm icon */
  margin-top: 24px;
}

.about-socials {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background-color: var(--surface);
  color: var(--muted);
  transition: all var(--ease);
}

.social-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.social-icon:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
  background-color: rgba(201,168,76, 0.1); /* Phủ nhẹ màu vàng gold */
  color: var(--gold);
  box-shadow: 0 4px 12px rgba(201,168,76, 0.15);
}@media (max-width: 768px) {
  .about-actions {
    justify-content: center !important;
  }
}.video-gradient-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.vertical-video {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Đảm bảo video hiển thị đầy đủ, không bị méo */
  display: block;
}

.black-gradient {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 65%; /* Chiều cao của lớp gradient chiếm 65% từ dưới lên */
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.5) 45%, transparent 100%);
  z-index: 1;
  pointer-events: none; /* Tránh cản trở thao tác nhấn của người dùng */
}

.text-on-video {
  position: absolute;
  bottom: 16px; /* Cách lề dưới 16px */
  left: 16px; 
  right: 16px; 
  z-index: 2;
}

.video-title {
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 4px;
  font-family: 'Montserrat', var(--font-sans);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

.video-subtitle {
  color: var(--gold-light, #e2c47a);
  font-size: 12px;
  line-height: 1.4;
  margin: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}/* Styling cho cụm nút điều khiển Video */
.video-controls {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 8px;
  z-index: 10;
}

.video-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.4);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: grid;
  place-items: center;
  cursor: pointer;
  backdrop-filter: blur(4px); /* Làm mờ nền đằng sau nút */
  transition: all 0.3s ease;
}

.video-btn svg {
  width: 18px;
  height: 18px;
}

.video-btn:hover {
  background: rgba(0, 0, 0, 0.8);
  border-color: var(--gold);
  color: var(--gold);
  transform: scale(1.05);
}/* Styling định dạng lại khung thẻ video cho bằng các thẻ khác */
.video-card-custom {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.video-card-custom .video-gradient-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: inherit; /* Kế thừa viền bo góc từ thẻ gốc */
}

/* Ẩn nội dung mặc định phía dưới (nếu có) để tránh làm thẻ bị dài thêm */
.video-card-custom .promotion-content {
  display: none !important;
}.cdi-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold); /* Đổi màu icon thành màu vàng của theme */
}/* =========================================================
   CỤM NÚT LIÊN HỆ NỔI BÊN PHẢI (CALL, MESSENGER, ZALO)
   ========================================================= */
.floating-action-menu {
  position: fixed;
  right: 25px; /* Ghim sát mép phải giống Chung Auto */
  bottom: 120px; /* Đẩy lên cao để không đè vào nút nhạc */
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cta-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: transform 0.3s ease;
}

.cta-btn:hover {
  transform: scale(1.1);
}

/* Hiệu ứng nhấp nháy tỏa vòng tròn */
.cta-btn::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  animation: cta-pulse 1.5s infinite;
  opacity: 0.6;
}

@keyframes cta-pulse {
  0% { transform: scale(0.85); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* Các màu sắc chuyên biệt cho từng nút */
.cta-phone {
  background-color: #ff3b30; /* Đỏ - Hotline */
  color: #ff3b30; /* Biến màu cho viền tỏa ngoài */
}

.cta-map-wrap { position: relative; display: flex; justify-content: flex-end; }
.cta-map { border: 0; background-color: #34a853; color: #34a853; }
.map-branch-menu {
  position: absolute;
  right: 64px;
  bottom: 0;
  z-index: 2;
  display: grid;
  min-width: 176px;
  gap: 4px;
  padding: 6px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(0,0,0,.2);
}
.map-branch-menu[hidden] { display: none; }
.map-branch-link { padding: 10px 12px; border-radius: 5px; color: #202a36; font-size: 13px; font-weight: 700; white-space: nowrap; }
.map-branch-link:hover, .map-branch-link:focus-visible { background: #edf1f5; color: #202a36; outline: none; }

.cta-messenger {
  background: linear-gradient(45deg, #00c6ff, #0072ff); /* Gradient Messenger */
  color: #0072ff;
}

.cta-zalo {
  background-color: #0068ff; /* Xanh Zalo */
  color: #0068ff;
}

/* Tooltip text khi lướt chuột qua */
.cta-label {
  position: absolute;
  right: 65px; /* Đẩy chữ sang bên trái của nút */
  background: rgba(255, 255, 255, 0.95);
  color: #111;
  padding: 6px 14px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

/* Hình tam giác chỉ vào nút */
.cta-label::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 6px 0 6px 6px;
  border-style: solid;
  border-color: transparent transparent transparent rgba(255, 255, 255, 0.95);
}

.cta-btn:hover .cta-label {
  opacity: 1;
  transform: translateX(0);
}

/* Tinh chỉnh cho điện thoại */
@media (max-width: 768px) {
  .floating-action-menu {
    right: 15px;
    bottom: 90px;
    gap: 12px;
  }

  .cta-btn {
    width: 44px;
    height: 44px;
  }
  
  /* Ẩn chữ tooltip trên điện thoại tránh cản màn hình */
  .cta-label {
    display: none;
  }
}/* =========================================================
   POPUP KHUYẾN MÃI TỰ ĐỘNG KHI VÀO WEB
   ========================================================= */
.popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.popup-overlay.active {
  opacity: 1;
  visibility: visible;
}

.popup-container {
  position: relative;
  width: 100%;
  max-width: 400px; /* Điều chỉnh độ rộng popup vừa vặn dạng video dọc */
  aspect-ratio: 9 / 14;
  background: var(--surface);
  border: 2px solid var(--gold);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.popup-overlay.active .popup-container {
  transform: scale(1);
}

.popup-content-inner {
  width: 100%;
  height: 100%;
}

/* Nút dấu X */
.popup-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 20;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 24px;
  font-weight: bold;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.popup-close:hover {
  background: var(--gold);
  color: #111;
  border-color: var(--gold);
  transform: scale(1.1);
}
/* =========================
   FLOATING CTA
========================= */

.floating-action-menu {
  position: fixed;
  right: 25px;
  bottom: 120px;

  display: flex;
  flex-direction: column;
  gap: 16px;

  z-index: 9999;

  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.cta-btn {
  position: relative;

  display: flex;
  align-items: center;
  justify-content: center;

  width: 50px;
  height: 50px;

  border-radius: 50%;

  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);

  transition: transform 0.25s ease;
}

.cta-btn:hover {
  transform: scale(1.1);
}

.cta-phone {
  background: #ff3b30;
  color: #ff3b30;
}

.cta-messenger {
  background: linear-gradient(45deg, #00c6ff, #0072ff);
  color: #0072ff;
}

.cta-zalo {
  background: #0068ff;
  color: #0068ff;
}


/* Hiệu ứng vòng sóng */
.cta-btn::before {
  content: '';

  position: absolute;
  inset: -6px;

  border: 1.5px solid currentColor;
  border-radius: 50%;

  animation: ctaPulse 1.5s infinite;

  pointer-events: none;
}

@keyframes ctaPulse {
  0% {
    transform: scale(0.85);
    opacity: 0.8;
  }

  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}


/* Mobile */
@media (max-width: 768px) {

  .floating-action-menu {
    right: 15px;
    bottom: 90px;
    gap: 12px;
  }

  .cta-btn {
    width: 44px;
    height: 44px;
  }

  .cta-label {
    display: none;
  }
}
/* =========================
   ĐỐI TÁC THƯƠNG HIỆU
========================= */
.partners-section{
  overflow:hidden;
  border-top:1px solid var(--border);
  background:var(--bg);
}

.partners-heading{
  margin-bottom:35px;
}

.partners-image{
  width:100%;
  max-width:1200px;
  margin:auto;
  padding:18px;
  overflow:hidden;
  border:1px solid var(--border-strong);
  border-radius:16px;
  background:#fff;
}

.partners-image img{
  width:100%;
  height:auto;
  display:block;
  object-fit:contain;
}

@media(max-width:768px){
  .partners-heading{margin-bottom:25px}
  .partners-image{
    padding:8px;
    border-radius:10px;
  }
}

/* Back links - Quay lại trang chủ: luôn trắng + Montserrat */
a.back,
.back,
.back-to-home,
.nav-menu--static .nav-link {
  color: #fff !important;
  font-family: 'Montserrat', Arial, sans-serif !important;
  font-weight: 600;
}
a.back:hover,
.back:hover,
.back-to-home:hover,
.nav-menu--static .nav-link:hover {
  color: var(--gold-light, #e2c47a) !important;
}