/* ══ LUXDENTAL — NHA KHOA THẨM MỸ — BOLD-EDITORIAL ══
   Font: Syne (heading + body), weight 800 uppercase headings
   Tone: high-contrast black & white, accent SCARLET ĐỎ CAM #d63b1f
   Nav: Underline-Active only (Nav-8) — no border, no shadow
   Hero: Bold Typography Only (H5) — heading 100px+, pattern bg, NO image
   Card: sharp corner (radius 0), border-left dày accent, hover đổi bg
   Button: sharp 0px radius, all-caps, border dày, hover fill
   Footer: Dark, headline-style, tên thương hiệu khổng lồ
   Section patterns: FEATURE-ICON-ROW · STAT-BAR · BENTO-GRID · MASONRY · FULL-BLEED · LIST-ELEGANT
   Prefix class: lx-
   ──────────────────────────────────────── */

:root {
  --bg: #faf9f6;
  --surface: #ffffff;
  --dark: #0a0a0a;
  --dark2: #141414;
  --border: #111111;
  --border-light: #e4e1da;
  --text: #0a0a0a;
  --text-2: #55524c;
  --text-3: #9b968c;
  --accent: #d63b1f;
  --accent-h: #ad2f17;
  --accent-light: #fdeae5;
  --accent-mid: #e8572f;
  --danger: #e24b4a;

  --sans: 'Syne', sans-serif;
  --bs-body-font-family: var(--sans);
  --bs-body-bg: var(--bg);
  --bs-body-color: var(--text);
  --bs-border-color: var(--border-light);
}

/* ── Reset & Base ── */
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--bg); color: var(--text); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
*, *::before, *::after { box-sizing: border-box; }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5 { font-family: var(--sans); margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: var(--sans); }

/* ── Layout ── */
.wd-container { max-width: 1100px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 80px); }
.sec-pad { padding: clamp(72px, 10vw, 128px) 0; }

/* ── Reveal animation ── */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
[data-reveal].visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
[data-reveal][data-delay="5"] { transition-delay: .4s; }

/* ── Section header ── */
.lx-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 2.2px; margin-bottom: 16px; }
.lx-eyebrow::before { content: ''; width: 8px; height: 8px; background: var(--accent); flex-shrink: 0; }
.lx-title { font-size: clamp(30px, 4.4vw, 54px); font-weight: 800; text-transform: uppercase; color: var(--text); line-height: 1; letter-spacing: -1px; margin-bottom: 16px; }
.lx-title em { color: var(--accent); font-style: normal; }
.lx-sub { font-size: 15px; font-weight: 400; color: var(--text-2); line-height: 1.75; max-width: 520px; }
.lx-sub.center { margin: 0 auto; }
.sec-dark .lx-title { color: #fff; }
.sec-dark .lx-sub { color: rgba(255,255,255,.5); }
.sec-dark .lx-eyebrow { color: var(--accent-mid); }
.sec-dark .lx-eyebrow::before { background: var(--accent-mid); }

/* ══ NAVIGATION — Underline-Active only (Nav-8) ══ */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  background: var(--bg); border-bottom: none; box-shadow: none;
}
.lx-nav-inner { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.lx-logo { display: flex; align-items: center; gap: 12px; }
.lx-logo-mark {
  width: 38px; height: 38px; background: var(--dark); color: var(--accent);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  font-weight: 800; font-size: 17px; letter-spacing: 0;
}
.lx-logo-text { display: flex; flex-direction: column; line-height: 1; }
.lx-logo-name { font-size: 17px; font-weight: 800; color: var(--text); text-transform: uppercase; letter-spacing: -.3px; }
.lx-logo-sub { font-size: 9px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 1.6px; margin-top: 4px; }

.lx-nav-links { display: flex; gap: 30px; }
.lx-nav-links a {
  position: relative; font-size: 12px; font-weight: 700; color: var(--text-2);
  text-transform: uppercase; letter-spacing: 1px; padding: 6px 0; transition: color .2s;
}
.lx-nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform .25s cubic-bezier(.16,1,.3,1);
}
.lx-nav-links a:hover { color: var(--text); }
.lx-nav-links a:hover::after, .lx-nav-links a.active::after { transform: scaleX(1); }
.lx-nav-links a.active { color: var(--text); }

.lx-nav-cta {
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  background: var(--accent); color: #fff; border: 2px solid var(--accent);
  padding: 10px 22px; border-radius: 0; cursor: pointer; white-space: nowrap;
  transition: all .2s;
}
.lx-nav-cta:hover { background: transparent; color: var(--accent); }

.lx-burger { display: none; flex-direction: column; gap: 6px; cursor: pointer; padding: 8px; border: none; background: transparent; z-index: 950; }
.lx-burger span { display: block; width: 24px; height: 2px; background: var(--text); transition: all .3s; }
.lx-burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.lx-burger.open span:nth-child(2) { opacity: 0; }
.lx-burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.lx-mobile-menu {
  position: fixed; inset: 0; background: var(--dark); z-index: 890;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px;
  opacity: 0; pointer-events: none; transition: opacity .3s;
}
.lx-mobile-menu.open { opacity: 1; pointer-events: auto; }
.lx-mobile-menu a { font-size: 24px; font-weight: 800; text-transform: uppercase; letter-spacing: .5px; color: rgba(255,255,255,.6); transition: color .2s; }
.lx-mobile-menu a:hover, .lx-mobile-menu a.active { color: var(--accent); }
.lx-mobile-menu .lx-mob-cta { background: var(--accent); color: #fff; padding: 14px 40px; font-size: 13px; margin-top: 10px; }

@media (max-width: 900px) {
  .lx-nav-links, .lx-nav-cta { display: none; }
  .lx-burger { display: flex; }
}

/* ══ BUTTONS — sharp, all-caps, thick border, hover fill ══ */
.lx-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.3px;
  padding: 16px 32px; border-radius: 0; cursor: pointer;
  transition: all .22s; border: 2px solid transparent;
}
.lx-btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.lx-btn-accent:hover { background: transparent; color: var(--accent); }
.lx-btn-outline { background: transparent; color: var(--text); border-color: var(--text); }
.lx-btn-outline:hover { background: var(--text); color: #fff; }
.lx-btn-dark { background: var(--dark); color: #fff; border-color: var(--dark); }
.lx-btn-dark:hover { background: transparent; color: var(--dark); }
.lx-btn-white { background: #fff; color: var(--dark); border-color: #fff; }
.lx-btn-white:hover { background: transparent; color: #fff; }
.lx-btn-outline-on-dark { background: transparent; color: rgba(255,255,255,.85); border-color: rgba(255,255,255,.35); }
.lx-btn-outline-on-dark:hover { background: #fff; color: var(--dark); border-color: #fff; }
.lx-btn-accent-on-dark { background: var(--accent); color: #fff; border-color: var(--accent); }
.lx-btn-accent-on-dark:hover { background: transparent; color: var(--accent-mid); border-color: var(--accent-mid); }
.lx-btn-sm { padding: 11px 22px; font-size: 11px; }

/* ══ HERO — H5 Bold Typography Only ══ */
.lx-hero {
  position: relative; padding-top: 76px; min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  background: var(--bg); overflow: hidden;
}
.lx-hero-pattern {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(45deg, rgba(10,10,10,.035) 0, rgba(10,10,10,.035) 1px, transparent 1px, transparent 26px),
    radial-gradient(circle at 88% 18%, rgba(214,59,31,.10) 0%, transparent 45%);
}
.lx-hero-watermark {
  position: absolute; top: 6%; right: -4%; z-index: 0; pointer-events: none;
  font-size: clamp(180px, 32vw, 460px); font-weight: 800; text-transform: uppercase;
  color: transparent; -webkit-text-stroke: 1px rgba(10,10,10,.06); line-height: 1;
  letter-spacing: -6px; user-select: none;
}
.lx-hero-inner { position: relative; z-index: 1; }
.lx-hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 700; color: var(--text);
  text-transform: uppercase; letter-spacing: 2px;
  border: 2px solid var(--text); padding: 8px 18px; margin-bottom: 32px;
}
.lx-hero-badge-dot { width: 7px; height: 7px; background: var(--accent); border-radius: 50%; animation: lx-pulse 2.2s infinite; }
@keyframes lx-pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }
.lx-hero-title {
  font-size: clamp(52px, 10.5vw, 148px); font-weight: 800; text-transform: uppercase;
  color: var(--text); line-height: .92; letter-spacing: -3px; margin-bottom: 28px;
}
.lx-hero-title em { color: var(--accent); font-style: normal; }
.lx-hero-title .lx-outline { color: transparent; -webkit-text-stroke: 2px var(--text); }
.lx-hero-sub {
  font-size: clamp(15px, 1.4vw, 18px); font-weight: 400; color: var(--text-2);
  line-height: 1.75; max-width: 460px; margin-bottom: 40px;
}
.lx-hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.lx-hero-trust { display: flex; gap: 40px; flex-wrap: wrap; }
.lx-ht { display: flex; flex-direction: column; }
.lx-ht-num { font-size: 30px; font-weight: 800; color: var(--text); line-height: 1; }
.lx-ht-label { font-size: 11px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .8px; margin-top: 6px; }

/* Marquee strip */
.lx-marquee {
  position: relative; z-index: 1; margin-top: clamp(48px, 7vw, 76px);
  background: var(--dark); border-top: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  overflow: hidden; padding: 16px 0;
}
.lx-marquee-track { display: flex; width: max-content; animation: lx-marquee 26s linear infinite; }
.lx-marquee-item {
  display: flex; align-items: center; gap: 18px;
  font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px;
  color: rgba(255,255,255,.7); padding: 0 18px; white-space: nowrap;
}
.lx-marquee-item span { color: var(--accent); }
@keyframes lx-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .lx-marquee-track { animation: none; } }

@media (max-width: 900px) {
  .lx-hero { min-height: auto; padding-bottom: 56px; }
  .lx-hero-trust { gap: 24px; }
}

/* ── Page hero (sub-pages) ── */
.lx-page-hero {
  padding: calc(76px + clamp(48px,7vw,80px)) 0 clamp(48px,7vw,72px);
  background: var(--dark); position: relative; overflow: hidden;
}
.lx-page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,.025) 0, rgba(255,255,255,.025) 1px, transparent 1px, transparent 26px);
  pointer-events: none;
}
.lx-ph-inner { position: relative; z-index: 1; }
.lx-ph-eyebrow { font-size: 11px; font-weight: 700; color: var(--accent-mid); text-transform: uppercase; letter-spacing: 2.4px; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.lx-ph-eyebrow::before { content: ''; width: 8px; height: 8px; background: var(--accent); }
.lx-ph-title { font-size: clamp(38px, 6vw, 86px); font-weight: 800; text-transform: uppercase; color: #fff; line-height: .95; letter-spacing: -2px; margin-bottom: 18px; }
.lx-ph-title em { color: var(--accent); font-style: normal; }
.lx-ph-sub { font-size: clamp(14px, 1.3vw, 16px); font-weight: 400; color: rgba(255,255,255,.5); max-width: 540px; line-height: 1.8; }
.lx-ph-crumb { font-size: 12px; font-weight: 600; color: rgba(255,255,255,.4); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.lx-ph-crumb a { color: rgba(255,255,255,.75); }
.lx-ph-crumb a:hover { color: var(--accent-mid); }

/* ══ FEATURE-ICON-ROW ── USP ══ */
.lx-feat { padding: 28px 0; border-bottom: 1px solid var(--border-light); }
.lx-feat-row { display: flex; gap: 20px; align-items: flex-start; }
.lx-feat-icon {
  width: 48px; height: 48px; flex-shrink: 0; background: var(--dark); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.lx-feat-title { font-size: 15px; font-weight: 800; text-transform: uppercase; letter-spacing: .3px; color: var(--text); margin-bottom: 8px; }
.lx-feat-desc { font-size: 13px; font-weight: 400; color: var(--text-2); line-height: 1.65; }

/* ══ STAT-BAR ══ */
.lx-stat-bar { background: var(--dark); padding: clamp(48px,6vw,72px) 0; }
.lx-stat { text-align: center; border-left: 1px solid rgba(255,255,255,.12); padding: 0 12px; }
.lx-stat:first-child { border-left: none; }
.lx-stat-num { font-size: clamp(32px, 4vw, 52px); font-weight: 800; color: #fff; line-height: 1; }
.lx-stat-num em { color: var(--accent); font-style: normal; }
.lx-stat-label { font-size: 11px; font-weight: 700; color: rgba(255,255,255,.4); text-transform: uppercase; letter-spacing: 1px; margin-top: 10px; }

/* ══ CARD — sharp corner, border-left accent, hover bg change ══ */
.lx-card {
  background: var(--surface); border: 1px solid var(--border-light); border-left: 6px solid var(--accent);
  border-radius: 0; padding: 30px 28px; height: 100%; transition: background .25s, border-color .25s;
}
.lx-card:hover { background: var(--dark); border-color: var(--dark); border-left-color: var(--accent); }
.lx-card-tag { font-size: 10px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 1.4px; margin-bottom: 12px; }
.lx-card:hover .lx-card-tag { color: var(--accent-mid); }
.lx-card-title { font-size: 19px; font-weight: 800; text-transform: uppercase; color: var(--text); margin-bottom: 10px; letter-spacing: -.2px; transition: color .25s; }
.lx-card:hover .lx-card-title { color: #fff; }
.lx-card-desc { font-size: 13px; font-weight: 400; color: var(--text-2); line-height: 1.7; margin-bottom: 18px; transition: color .25s; }
.lx-card:hover .lx-card-desc { color: rgba(255,255,255,.55); }
.lx-card-price { font-size: 15px; font-weight: 800; color: var(--text); padding-top: 16px; border-top: 1px solid var(--border-light); transition: color .25s, border-color .25s; }
.lx-card-price span { font-size: 11px; font-weight: 400; color: var(--text-3); text-transform: none; }
.lx-card:hover .lx-card-price { color: #fff; border-color: rgba(255,255,255,.12); }
.lx-card:hover .lx-card-price span { color: rgba(255,255,255,.4); }
.lx-card-img { overflow: hidden; margin: -30px -28px 20px; }
.lx-card-img img { width: 100%; height: 190px; object-fit: cover; transition: transform .4s; }
.lx-card:hover .lx-card-img img { transform: scale(1.05); }

/* ══ BENTO-GRID ══ */
.lx-bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 180px; gap: 16px; }
.lx-bento-item {
  position: relative; overflow: hidden; background: var(--dark); color: #fff;
  padding: 24px; display: flex; flex-direction: column; justify-content: flex-end;
  border: 1px solid var(--border-light);
}
.lx-bento-item.lx-b-big { grid-column: span 2; grid-row: span 2; }
.lx-bento-item.lx-b-wide { grid-column: span 2; grid-row: span 1; }
.lx-bento-item img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; transition: transform .5s, opacity .3s; }
.lx-bento-item:hover img { transform: scale(1.06); opacity: .35; }
.lx-bento-item::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,10,10,.9) 0%, rgba(10,10,10,.15) 60%); pointer-events: none; }
.lx-bento-content { position: relative; z-index: 1; }
.lx-bento-tag { font-size: 10px; font-weight: 700; color: var(--accent-mid); text-transform: uppercase; letter-spacing: 1.3px; margin-bottom: 8px; }
.lx-bento-name { font-size: clamp(16px, 1.6vw, 24px); font-weight: 800; text-transform: uppercase; letter-spacing: -.3px; line-height: 1.1; }
.lx-bento-price { font-size: 12px; font-weight: 600; color: rgba(255,255,255,.55); margin-top: 8px; }
@media (max-width: 900px) {
  .lx-bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 190px; }
  .lx-bento-item.lx-b-big { grid-column: span 2; grid-row: span 1; }
}

/* ══ MASONRY — Before/After gallery ══ */
.lx-masonry { column-count: 3; column-gap: 16px; }
.lx-masonry-item { break-inside: avoid; margin-bottom: 16px; position: relative; }
.lx-ba-wrap { position: relative; overflow: hidden; border: 1px solid var(--border-light); }
.lx-ba-grid { display: grid; grid-template-columns: 1fr 1fr; }
.lx-ba-img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 3/4; }
.lx-ba-label {
  position: absolute; top: 12px; font-size: 10px; font-weight: 800; text-transform: uppercase;
  letter-spacing: 1px; color: #fff; padding: 5px 12px;
}
.lx-ba-label.before { left: 12px; background: var(--dark); }
.lx-ba-label.after { right: 12px; background: var(--accent); }
.lx-ba-divider { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: #fff; transform: translateX(-1px); }
.lx-ba-caption { padding: 14px 4px 0; }
.lx-ba-name { font-size: 14px; font-weight: 800; text-transform: uppercase; color: var(--text); }
.lx-ba-cat { font-size: 11px; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: .8px; margin-top: 4px; }
@media (max-width: 900px) { .lx-masonry { column-count: 2; } }
@media (max-width: 560px) { .lx-masonry { column-count: 1; } }

/* Masonry portrait variance (used on truoc-sau.html) */
.lx-masonry-item.h-tall .lx-ba-img { aspect-ratio: 3/4.6; }
.lx-masonry-item.h-short .lx-ba-img { aspect-ratio: 4/3.2; }

/* ══ FULL-BLEED ══ */
.lx-bleed { position: relative; width: 100%; overflow: hidden; }
.lx-bleed img { width: 100%; height: clamp(360px, 55vw, 620px); object-fit: cover; }
.lx-bleed-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,10,10,.25) 0%, rgba(10,10,10,.55) 100%); }
.lx-bleed-content { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 0 24px; }
.lx-bleed-eyebrow { font-size: 11px; font-weight: 700; color: var(--accent-mid); text-transform: uppercase; letter-spacing: 2.2px; margin-bottom: 18px; }
.lx-bleed-title { font-size: clamp(34px, 7vw, 96px); font-weight: 800; text-transform: uppercase; color: #fff; line-height: .95; letter-spacing: -2px; margin-bottom: 20px; }
.lx-bleed-title em { color: var(--accent); font-style: normal; }
.lx-bleed-sub { font-size: 15px; font-weight: 400; color: rgba(255,255,255,.7); max-width: 480px; margin-bottom: 28px; line-height: 1.7; }

/* ══ LIST-ELEGANT — Testimonials ══ */
.lx-list { border-top: 2px solid var(--border); }
.lx-list-item { display: flex; gap: 32px; padding: 36px 0; border-bottom: 1px solid var(--border-light); align-items: flex-start; }
.lx-list-num { font-size: 13px; font-weight: 800; color: var(--accent); flex-shrink: 0; width: 32px; padding-top: 4px; }
.lx-list-body { flex: 1; }
.lx-list-stars { color: var(--accent); font-size: 13px; letter-spacing: 2px; margin-bottom: 12px; }
.lx-list-quote { font-size: clamp(15px, 1.6vw, 19px); font-weight: 500; color: var(--text); line-height: 1.6; margin-bottom: 16px; }
.lx-list-foot { display: flex; align-items: center; gap: 12px; }
.lx-list-av { width: 40px; height: 40px; object-fit: cover; flex-shrink: 0; }
.lx-list-name { font-size: 13px; font-weight: 800; text-transform: uppercase; color: var(--text); }
.lx-list-role { font-size: 11px; font-weight: 500; color: var(--text-3); margin-top: 2px; }
@media (max-width: 640px) { .lx-list-item { flex-direction: column; gap: 12px; } .lx-list-num { width: auto; } }

/* ══ Doctor cards ══ */
.lx-doc { border: 1px solid var(--border-light); background: var(--surface); transition: border-color .25s; }
.lx-doc:hover { border-color: var(--accent); }
.lx-doc-img-wrap { position: relative; overflow: hidden; aspect-ratio: 3/3.5; }
.lx-doc-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s, filter .4s; filter: grayscale(45%); }
.lx-doc:hover .lx-doc-img-wrap img { transform: scale(1.05); filter: grayscale(0%); }
.lx-doc-badge { position: absolute; top: 12px; left: 12px; background: var(--accent); color: #fff; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; padding: 5px 12px; }
.lx-doc-body { padding: 22px; border-top: 4px solid var(--dark); }
.lx-doc:hover .lx-doc-body { border-color: var(--accent); }
.lx-doc-name { font-size: 16px; font-weight: 800; text-transform: uppercase; color: var(--text); letter-spacing: -.2px; }
.lx-doc-role { font-size: 11px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; margin: 6px 0 12px; }
.lx-doc-creds { font-size: 12px; font-weight: 400; color: var(--text-2); line-height: 1.7; }

/* ══ CTA SECTION ══ */
.lx-cta { background: var(--dark); padding: clamp(64px,9vw,110px) 0; position: relative; overflow: hidden; }
.lx-cta::before { content: ''; position: absolute; inset: 0; background-image: repeating-linear-gradient(45deg, rgba(255,255,255,.025) 0, rgba(255,255,255,.025) 1px, transparent 1px, transparent 26px); pointer-events: none; }
.lx-cta-inner { position: relative; z-index: 1; }
.lx-cta-title { font-size: clamp(30px, 5vw, 64px); font-weight: 800; text-transform: uppercase; color: #fff; line-height: .98; letter-spacing: -1.5px; margin-bottom: 20px; }
.lx-cta-title em { color: var(--accent); font-style: normal; }
.lx-cta-sub { font-size: 15px; font-weight: 400; color: rgba(255,255,255,.5); max-width: 480px; margin: 0 auto 36px; line-height: 1.75; }
.lx-cta-badges { display: flex; gap: 28px; flex-wrap: wrap; justify-content: center; margin-top: 36px; }
.lx-cta-badge { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .5px; }
.lx-cta-badge span { width: 6px; height: 6px; background: var(--accent); flex-shrink: 0; }

/* ══ FOOTER — Dark, headline-style, brand name khổng lồ ══ */
footer { background: var(--dark); color: #fff; padding-top: clamp(64px,9vw,110px); }
.lx-ft-top { padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,.1); }
.lx-ft-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.lx-ft-logo-mark { width: 40px; height: 40px; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px; flex-shrink: 0; }
.lx-ft-logo-name { font-size: 18px; font-weight: 800; text-transform: uppercase; letter-spacing: -.2px; }
.lx-ft-logo-sub { font-size: 10px; font-weight: 700; color: var(--accent-mid); text-transform: uppercase; letter-spacing: 1.6px; margin-top: 4px; }
.lx-ft-desc { font-size: 13px; font-weight: 400; color: rgba(255,255,255,.45); line-height: 1.75; max-width: 320px; margin-bottom: 24px; }
.lx-ft-socials { display: flex; gap: 10px; }
.lx-ft-soc { width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.18); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: rgba(255,255,255,.6); transition: all .2s; }
.lx-ft-soc:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.lx-ft-col-title { font-size: 11px; font-weight: 700; color: var(--accent-mid); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 20px; }
.lx-ft-links { display: flex; flex-direction: column; gap: 12px; }
.lx-ft-links a { font-size: 13px; font-weight: 500; color: rgba(255,255,255,.55); transition: color .2s; }
.lx-ft-links a:hover { color: #fff; }
.lx-ft-contact-item { display: flex; gap: 12px; margin-bottom: 16px; }
.lx-ft-contact-icon { width: 32px; height: 32px; border: 1px solid rgba(255,255,255,.18); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.lx-ft-contact-text { font-size: 13px; font-weight: 400; color: rgba(255,255,255,.5); line-height: 1.6; }
.lx-ft-contact-text strong { display: block; color: #fff; font-weight: 700; font-size: 11px; text-transform: uppercase; letter-spacing: .8px; margin-bottom: 3px; }

.lx-ft-mega {
  font-size: clamp(56px, 13vw, 200px); font-weight: 800; text-transform: uppercase;
  color: #fff; line-height: .82; letter-spacing: -4px; margin: 40px 0 0; word-break: break-word;
}
.lx-ft-mega span { color: var(--accent); }

.lx-ft-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 28px 0; margin-top: 40px; border-top: 1px solid rgba(255,255,255,.1); }
.lx-ft-copy { font-size: 12px; font-weight: 500; color: rgba(255,255,255,.4); }
.lx-ft-cert { display: flex; gap: 20px; flex-wrap: wrap; }
.lx-ft-cert span { font-size: 11px; font-weight: 600; color: rgba(255,255,255,.35); text-transform: uppercase; letter-spacing: .5px; }

/* ══ FORM ══ */
.lx-form { background: var(--surface); border: 1px solid var(--border-light); padding: clamp(28px,4vw,44px); }
.lx-field { margin-bottom: 22px; }
.lx-label { display: block; font-size: 11px; font-weight: 700; color: var(--text); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.lx-label em { color: var(--accent); font-style: normal; }
.lx-input, .lx-select, .lx-textarea {
  width: 100%; background: var(--bg); border: 2px solid var(--border-light);
  padding: 14px 16px; font-family: var(--sans); font-size: 14px; font-weight: 500; color: var(--text);
  border-radius: 0; transition: border-color .2s; outline: none;
}
.lx-input:focus, .lx-select:focus, .lx-textarea:focus { border-color: var(--accent); }
.lx-textarea { resize: vertical; min-height: 120px; }
.lx-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.lx-form-note { font-size: 12px; font-weight: 400; color: var(--text-3); margin-top: 16px; line-height: 1.6; }
.lx-form-submit { width: 100%; justify-content: center; }

/* Sidebar info panel (booking / contact page) */
.lx-info-panel { background: var(--dark); color: #fff; padding: clamp(28px,4vw,44px); height: 100%; }
.lx-info-title { font-size: 22px; font-weight: 800; text-transform: uppercase; margin-bottom: 20px; letter-spacing: -.3px; }
.lx-info-title em { color: var(--accent); font-style: normal; }
.lx-info-item { display: flex; gap: 14px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.1); }
.lx-info-item:first-of-type { border-top: none; }
.lx-info-icon { width: 34px; height: 34px; border: 1px solid var(--accent); color: var(--accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.lx-info-text { font-size: 13px; font-weight: 400; color: rgba(255,255,255,.55); line-height: 1.65; }
.lx-info-text strong { display: block; color: #fff; font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: .6px; margin-bottom: 4px; }

/* Map placeholder */
.lx-map { width: 100%; height: 360px; background: var(--dark2); position: relative; overflow: hidden; border: 1px solid var(--border-light); }
.lx-map::before { content: ''; position: absolute; inset: 0; background-image: repeating-linear-gradient(45deg, rgba(255,255,255,.03) 0, rgba(255,255,255,.03) 1px, transparent 1px, transparent 24px); }
.lx-map-label { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; text-align: center; padding: 20px; }
.lx-map-label span { font-size: 12px; font-weight: 700; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: 1.2px; }

/* ══ ZALO FLOAT ══ */
.lx-zalo {
  position: fixed; bottom: 24px; right: 24px; z-index: 800;
  width: 56px; height: 56px; background: #0068FF; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(0,104,255,.35); transition: transform .2s;
}
.lx-zalo:hover { transform: scale(1.08); }

/* ══ Misc utility ══ */
.lx-divider { width: 60px; height: 3px; background: var(--accent); margin: 20px 0; }
.lx-divider.center { margin: 20px auto; }
.lx-tag-strip { display: flex; flex-wrap: wrap; gap: 10px; }
.lx-tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .8px; border: 1px solid var(--border); padding: 6px 14px; color: var(--text-2); }

@media (max-width: 640px) {
  .lx-hero-title { letter-spacing: -1.5px; }
  .lx-cta-badges { flex-direction: column; align-items: center; gap: 12px; }
}