/* ═══════════════════════════════════════════
   GLADIA HEIGHTS — Landing page
   Palette: navy #14477C · dark #0B2A4A · teal #2FA9A2
            coral #E98A6C · cream #F6F1E7 · ink #1C2B3A
   Type: Playfair Display (display) · Be Vietnam Pro (body)
   ═══════════════════════════════════════════ */

:root {
  --navy: #14477C;
  --navy-deep: #0B2A4A;
  --navy-ink: #071D33;
  --teal: #2FA9A2;
  --teal-soft: #BFE3E0;
  --coral: #E98A6C;
  --cream: #F6F1E7;
  --cream-2: #EFE8D8;
  --white: #FFFFFF;
  --ink: #1C2B3A;
  --muted: #5A6B7C;
  --font-display: 'Playfair Display', 'Times New Roman', serif;
  --font-body: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  --radius: 18px;
  --shadow-lg: 0 30px 80px -20px rgba(7, 29, 51, .35);
  --header-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
em { font-style: italic; }

.container { width: min(1180px, 92vw); margin: 0 auto; }
.container--narrow { width: min(860px, 92vw); }
.container-wide { width: min(1440px, 96vw); margin: 0 auto; }
.only-desktop { display: inline; }

/* ───────── Typography ───────── */
.eyebrow {
  font-size: 13px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--teal); font-weight: 600; margin-bottom: 18px;
  display: flex; align-items: center; gap: 14px;
}
.eyebrow::before { content: ''; width: 42px; height: 1px; background: var(--teal); flex: none; }
.eyebrow--light { color: var(--teal-soft); }
.eyebrow--light::before { background: var(--teal-soft); }

.h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.14; font-weight: 600; color: var(--navy-deep);
  margin-bottom: 26px; max-width: 20em;
}
.h2 em { color: var(--teal); }
.h2--light { color: var(--white); }
.h2--light em { color: var(--teal-soft); }

/* ───────── Buttons ───────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: 999px;
  font-weight: 600; font-size: 15px; letter-spacing: .02em;
  transition: transform .35s cubic-bezier(.2, .8, .2, 1), box-shadow .35s, background .35s, color .35s;
  will-change: transform;
}
.btn--lg { padding: 17px 36px; font-size: 16px; }
.btn--accent {
  background: linear-gradient(120deg, var(--coral), #D9704F);
  color: #fff; box-shadow: 0 12px 30px -8px rgba(233, 138, 108, .55);
}
.btn--accent:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 18px 40px -8px rgba(233, 138, 108, .7); }
.btn--ghost {
  border: 1.5px solid rgba(255, 255, 255, .75); color: #fff;
  background: rgba(255, 255, 255, .06); backdrop-filter: blur(6px);
}
.btn--ghost:hover { background: rgba(255, 255, 255, .18); transform: translateY(-3px); }

/* ═══════════ PRELOADER ═══════════ */
.preloader {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--navy-ink);
  display: flex; align-items: center; justify-content: center;
}
.preloader__inner { text-align: center; width: min(360px, 76vw); }
.preloader__logo { width: 100%; opacity: 0; transform: translateY(14px); }
.preloader__bar {
  height: 2px; background: rgba(255, 255, 255, .14);
  margin: 26px 0 16px; border-radius: 2px; overflow: hidden;
}
.preloader__bar-fill { display: block; height: 100%; width: 0; background: var(--teal); }
.preloader__tag {
  color: rgba(255, 255, 255, .55); font-size: 12px;
  letter-spacing: .3em; text-transform: uppercase;
}

/* ═══════════ HEADER ═══════════ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  transition: background .45s, box-shadow .45s, transform .45s;
}
.header.is-scrolled {
  background: rgba(7, 29, 51, .82);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px -12px rgba(0, 0, 0, .4);
}
.header.is-hidden { transform: translateY(-100%); }
.header__inner {
  width: min(1360px, 94vw); margin: 0 auto; height: var(--header-h);
  display: flex; align-items: center; gap: 30px;
}
.header__logo-img { height: 20px; width: auto; }
.header__nav { display: flex; gap: 26px; margin-left: auto; }
.header__nav a {
  color: rgba(255, 255, 255, .85); font-size: 14px; font-weight: 500;
  position: relative; padding: 6px 0;
}
.header__nav a::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 1.5px;
  width: 0; background: var(--teal); transition: width .3s;
}
.header__nav a:hover { color: #fff; }
.header__nav a:hover::after { width: 100%; }
.header__cta { flex: none; padding: 11px 22px; font-size: 14px; }
.header__burger { display: none; }

/* Language switch */
.lang-switch {
  display: flex; gap: 2px; align-items: center; flex: none;
  border: 1px solid rgba(255, 255, 255, .28); border-radius: 999px; padding: 3px;
}
.lang-switch a {
  padding: 5px 12px; border-radius: 999px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .06em;
  color: rgba(255, 255, 255, .72); transition: color .3s, background .3s;
}
.lang-switch a:hover { color: #fff; }
.lang-switch a.is-active { background: rgba(255, 255, 255, .18); color: #fff; }
.lang-switch--mobile { justify-content: center; margin-top: 6px; }
.lang-switch--mobile a { font-size: 15px; padding: 7px 16px; }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 190;
  background: rgba(7, 29, 51, .97); backdrop-filter: blur(16px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .4s;
}
.mobile-menu.is-open { opacity: 1; pointer-events: auto; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 22px; text-align: center; }
.mobile-menu nav a { color: #fff; font-size: 22px; font-family: var(--font-display); }
.mobile-menu nav a.btn { font-family: var(--font-body); font-size: 16px; margin-top: 10px; }

/* ═══════════ HERO ═══════════ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: flex-end;
  color: #fff; overflow: hidden;
}
.hero__media { position: absolute; inset: 0; }
.hero__video {
  width: 100%; height: 100%; object-fit: cover;
  transform-origin: center;
  animation: heroKenBurns 26s ease-in-out infinite alternate;
}
@keyframes heroKenBurns {
  from { transform: scale(1.06); }
  to { transform: scale(1.16) translateY(-1.2%); }
}
.hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 29, 51, .55) 0%, rgba(7, 29, 51, .05) 34%, rgba(7, 29, 51, .16) 62%, rgba(7, 29, 51, .88) 100%);
}
.hero__vignette {
  position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 50% 40%, transparent 55%, rgba(7, 29, 51, .5) 100%);
}
.hero__content {
  position: relative; z-index: 2;
  width: min(1180px, 92vw); margin: 0 auto;
  padding: calc(var(--header-h) + 40px) 0 110px;
}
.hero__eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-size: 13px; letter-spacing: .2em; text-transform: uppercase;
  color: rgba(255, 255, 255, .92); font-weight: 500; margin-bottom: 22px;
}
.hero__eyebrow-line { width: 48px; height: 1px; background: var(--teal); flex: none; }
.hero__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(52px, 9.6vw, 128px);
  line-height: .98; letter-spacing: -.01em;
  margin-bottom: 26px; text-shadow: 0 6px 40px rgba(0, 0, 0, .35);
}
.hero__title-line { display: block; overflow: hidden; }
.hero__title-line > span { display: inline-block; }
.hero__title-line--accent > span { color: var(--teal-soft); font-style: italic; }
.hero__sub {
  font-size: clamp(16px, 1.6vw, 19px); font-weight: 300;
  color: rgba(255, 255, 255, .92); max-width: 620px; margin-bottom: 34px;
}
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero__facts {
  display: flex; gap: clamp(26px, 5vw, 64px); flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, .22); padding-top: 26px;
}
.hero__facts div { display: flex; flex-direction: column; gap: 2px; }
.hero__facts strong {
  font-family: var(--font-display); font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 600; color: #fff;
}
.hero__facts span { font-size: 13px; color: rgba(255, 255, 255, .68); letter-spacing: .04em; }
.hero__scroll {
  position: absolute; right: 40px; bottom: 34px; z-index: 3;
  display: flex; align-items: center; gap: 12px;
  font-size: 11px; letter-spacing: .26em; text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
  writing-mode: vertical-rl;
}
.hero__scroll span {
  width: 1px; height: 56px; background: rgba(255, 255, 255, .4);
  position: relative; overflow: hidden;
}
.hero__scroll span::after {
  content: ''; position: absolute; left: 0; top: -50%;
  width: 100%; height: 50%; background: #fff;
  animation: scrollHint 2s cubic-bezier(.65, 0, .35, 1) infinite;
}
@keyframes scrollHint { 0% { top: -50%; } 100% { top: 110%; } }

/* ═══════════ MARQUEE ═══════════ */
.marquee {
  background: var(--navy-deep); color: var(--cream);
  overflow: hidden; padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
}
.marquee__track {
  display: flex; align-items: center; gap: 34px; width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee__track span {
  font-family: var(--font-display); font-size: 17px; font-style: italic;
  letter-spacing: .04em; white-space: nowrap;
}
.marquee__track i { color: var(--teal); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ═══════════ SECTIONS ═══════════ */
.section { padding: clamp(80px, 10vw, 130px) 0; position: relative; }

/* Overview */
.overview { background: var(--cream); }
.overview__grid {
  display: grid; grid-template-columns: 1.15fr .85fr;
  gap: clamp(40px, 6vw, 90px); align-items: start;
}
.overview__text p { margin-bottom: 18px; color: var(--muted); font-size: 16.5px; }
.overview__text strong { color: var(--ink); }
.ticks { margin-top: 26px; display: grid; gap: 12px; }
.ticks li {
  padding-left: 30px; position: relative; color: var(--ink); font-weight: 500; font-size: 15.5px;
}
.ticks li::before {
  content: '✦'; position: absolute; left: 0; top: 0; color: var(--coral);
}
.overview__stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  position: sticky; top: calc(var(--header-h) + 20px);
}
.stat {
  background: var(--white); border-radius: var(--radius);
  padding: 26px 22px; box-shadow: 0 14px 40px -18px rgba(7, 29, 51, .18);
  border: 1px solid rgba(20, 71, 124, .07);
}
.stat strong {
  font-family: var(--font-display); font-size: clamp(30px, 3vw, 40px);
  color: var(--navy); display: block; line-height: 1.1; margin-bottom: 6px;
}
.stat span { font-size: 13.5px; color: var(--muted); }

/* Towers */
.towers { background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%); }
.towers__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 46px;
}
.tower-card {
  background: var(--white); border-radius: 22px; padding: 36px 30px;
  border: 1px solid rgba(20, 71, 124, .08);
  box-shadow: 0 20px 50px -24px rgba(7, 29, 51, .25);
  transition: transform .5s cubic-bezier(.2, .8, .2, 1), box-shadow .5s;
  transform-style: preserve-3d; will-change: transform;
}
.tower-card:hover { box-shadow: 0 34px 70px -24px rgba(7, 29, 51, .38); }
.tower-card__badge {
  display: inline-block; font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--teal); border: 1px solid var(--teal); border-radius: 999px;
  padding: 5px 14px; margin-bottom: 18px; font-weight: 600;
}
.tower-card h3 {
  font-family: var(--font-display); font-size: 30px; color: var(--navy-deep);
  margin-bottom: 6px; font-weight: 700;
}
.tower-card__num { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.tower-card__num strong { color: var(--coral); font-size: 22px; font-family: var(--font-display); }
.tower-card ul { display: grid; gap: 10px; }
.tower-card li {
  font-size: 14.5px; color: var(--muted); padding-left: 22px; position: relative;
}
.tower-card li::before { content: '—'; position: absolute; left: 0; color: var(--teal); }
.tower-card--feature { outline: 2px solid var(--teal); outline-offset: -2px; }

/* Amenities (dark) */
.amenities { background: var(--navy-ink); color: #fff; }
.amenities__lead { color: rgba(255, 255, 255, .75); max-width: 640px; font-size: 17px; font-weight: 300; }
.amenities__gallery {
  margin-top: 56px;
  display: grid; gap: 16px;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 240px;
}
.gal {
  position: relative; overflow: hidden; border-radius: 16px; cursor: zoom-in;
}
.gal--tall { grid-row: span 2; }
.gal--wide { grid-column: span 2; }
.gal img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.1s cubic-bezier(.2, .8, .2, 1);
  will-change: transform;
}
.gal:hover img { transform: scale(1.07); }
.gal figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 40px 20px 16px; font-size: 13.5px; letter-spacing: .04em; color: #fff;
  background: linear-gradient(180deg, transparent, rgba(7, 29, 51, .85));
  opacity: 0; transform: translateY(8px); transition: opacity .5s, transform .5s;
}
.gal:hover figcaption { opacity: 1; transform: none; }
.amenities__note {
  margin-top: 34px; color: var(--teal-soft); font-size: 15px;
  font-style: italic; text-align: center;
}

/* Interiors — horizontal scroll */
.interiors { background: var(--cream); padding: 0; }
.interiors__pin { padding: clamp(80px, 9vw, 120px) 0 40px; overflow: hidden; }
.interiors__head { margin-bottom: 46px; }
.interiors__track {
  display: flex; gap: clamp(18px, 2.5vw, 34px);
  padding: 0 max(4vw, calc((100vw - 1180px) / 2));
  width: max-content; will-change: transform;
}
.interiors__panel {
  width: clamp(300px, 44vw, 640px); flex: none;
}
.interiors__panel img {
  width: 100%; aspect-ratio: 3 / 2; object-fit: cover;
  border-radius: 20px; box-shadow: var(--shadow-lg);
}
.interiors__panel figcaption { padding: 18px 6px 0; }
.interiors__panel strong { display: block; font-family: var(--font-display); font-size: 20px; color: var(--navy-deep); }
.interiors__panel span { font-size: 14px; color: var(--muted); }

/* Floorplan */
.floorplan { background: var(--white); }
.floorplan__img {
  margin-top: 40px; border-radius: 20px; overflow: hidden; cursor: zoom-in;
  box-shadow: 0 24px 60px -26px rgba(7, 29, 51, .3);
  border: 1px solid rgba(20, 71, 124, .08);
}
.floorplan__img figcaption {
  padding: 14px 20px; font-size: 13px; color: var(--muted);
  background: var(--cream); text-align: center; letter-spacing: .05em;
}
.floorplan__types {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 34px;
}
.type-card {
  background: var(--cream); border-radius: 16px; padding: 26px 22px; text-align: center;
  border: 1px solid rgba(20, 71, 124, .08);
  transition: transform .4s, box-shadow .4s, background .4s;
}
.type-card:hover {
  transform: translateY(-6px); background: var(--white);
  box-shadow: 0 22px 46px -20px rgba(7, 29, 51, .28);
}
.type-card strong {
  display: block; font-family: var(--font-display); font-size: 26px;
  color: var(--navy); margin-bottom: 6px;
}
.type-card em { display: block; font-style: normal; font-weight: 600; color: var(--coral); font-size: 17px; }
.type-card span { font-size: 12.5px; color: var(--muted); letter-spacing: .03em; }
.floorplan__note { margin-top: 26px; font-size: 13.5px; color: var(--muted); text-align: center; }

/* Policy (dark navy) */
.policy { background: linear-gradient(160deg, var(--navy-deep), var(--navy) 130%); color: #fff; }
.policy__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 50px;
}
.policy-card {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 20px; padding: 30px 26px;
  backdrop-filter: blur(8px);
  transition: transform .45s, background .45s, border-color .45s;
}
.policy-card:hover { transform: translateY(-8px); background: rgba(255, 255, 255, .09); border-color: var(--teal); }
.policy-card__no {
  font-family: var(--font-display); font-style: italic; font-size: 15px;
  color: var(--teal-soft); display: block; margin-bottom: 14px;
}
.policy-card h3 { font-size: 19px; font-weight: 600; margin-bottom: 12px; line-height: 1.35; }
.policy-card p { font-size: 14px; color: rgba(255, 255, 255, .72); font-weight: 300; }
.policy-card--hot { outline: 2px solid var(--coral); outline-offset: -2px; }
.policy__gifts {
  margin-top: 46px; border-top: 1px solid rgba(255, 255, 255, .14); padding-top: 36px;
}
.policy__gifts-title {
  font-family: var(--font-display); font-size: 21px; font-style: italic;
  color: var(--teal-soft); margin-bottom: 18px;
}
.policy__gifts ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 40px; }
.policy__gifts li { padding-left: 28px; position: relative; font-size: 15px; color: rgba(255, 255, 255, .88); }
.policy__gifts li::before { content: '✦'; position: absolute; left: 0; color: var(--coral); }
.policy__disclaimer { margin-top: 26px; font-size: 13px; color: rgba(255, 255, 255, .5); }

/* Location */
.location { background: var(--cream); }
.location__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: center;
}
.location__list { display: grid; gap: 18px; margin: 30px 0; }
.location__list li {
  display: flex; gap: 18px; align-items: baseline;
  border-bottom: 1px solid rgba(20, 71, 124, .12); padding-bottom: 16px;
}
.location__list strong {
  font-family: var(--font-display); font-size: 24px; color: var(--navy);
  flex: none; width: 110px;
}
.location__list span { color: var(--muted); font-size: 15px; }
.location__text > p { color: var(--muted); }
.location__img { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); cursor: zoom-in; }
.location__img figcaption { padding: 12px 4px 0; font-size: 13px; color: var(--muted); text-align: center; }

/* Legal */
.legal { background: var(--white); }
.legal__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 46px; }
.legal-card {
  border: 1px solid rgba(20, 71, 124, .1); border-radius: 18px; padding: 28px 24px;
  background: linear-gradient(180deg, var(--white), var(--cream) 240%);
  transition: transform .4s, box-shadow .4s;
}
.legal-card:hover { transform: translateY(-5px); box-shadow: 0 20px 44px -22px rgba(7, 29, 51, .25); }
.legal-card h3 { font-size: 17px; color: var(--navy-deep); margin-bottom: 10px; font-weight: 600; }
.legal-card p { font-size: 14px; color: var(--muted); }

/* FAQ */
.faq { background: var(--cream); }
.faq__list { margin-top: 40px; display: grid; gap: 12px; }
.faq-item {
  background: var(--white); border-radius: 14px;
  border: 1px solid rgba(20, 71, 124, .08);
  overflow: hidden; transition: box-shadow .3s;
}
.faq-item[open] { box-shadow: 0 16px 40px -20px rgba(7, 29, 51, .22); }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 20px 54px 20px 24px;
  font-weight: 600; font-size: 16px; color: var(--navy-deep); position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-size: 24px; color: var(--teal); font-weight: 300; transition: transform .3s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { padding: 0 24px 22px; color: var(--muted); font-size: 15px; }

/* CTA */
.cta { color: #fff; overflow: hidden; }
.cta__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(90% 120% at 85% 10%, rgba(47, 169, 162, .35), transparent 55%),
    radial-gradient(70% 100% at 10% 90%, rgba(233, 138, 108, .28), transparent 55%),
    linear-gradient(160deg, var(--navy-ink), var(--navy-deep));
}
.cta__inner { position: relative; text-align: center; }
.cta__sub { color: rgba(255, 255, 255, .78); max-width: 560px; margin: 0 auto 36px; font-weight: 300; }
.cta__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta__visit {
  display: inline-block; margin-top: 30px; color: var(--teal-soft);
  font-size: 15px; border-bottom: 1px solid transparent; transition: border-color .3s;
}
.cta__visit:hover { border-color: var(--teal-soft); }
.cta .h2 { margin-left: auto; margin-right: auto; }

/* Footer */
.footer { background: var(--navy-ink); color: rgba(255, 255, 255, .75); padding: 70px 0 34px; }
.footer__grid {
  display: grid; grid-template-columns: 1.4fr .8fr .8fr;
  gap: clamp(30px, 5vw, 70px); padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.footer__logo { height: 22px; width: auto; margin-bottom: 20px; }
.footer__brand p { font-size: 14px; font-weight: 300; }
.footer__col h4 {
  font-size: 12.5px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--teal-soft); margin-bottom: 16px;
}
.footer__col a { display: block; font-size: 14.5px; padding: 6px 0; color: rgba(255, 255, 255, .75); transition: color .3s; }
.footer__col a:hover { color: #fff; }
.footer__legal { padding-top: 26px; font-size: 12.5px; color: rgba(255, 255, 255, .45); display: grid; gap: 8px; }

/* Floating contact */
.float-contact {
  position: fixed; right: 22px; bottom: 22px; z-index: 150;
  display: flex; flex-direction: column; gap: 12px;
}
.float-contact__btn {
  width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 13px;
  box-shadow: 0 14px 30px -8px rgba(0, 0, 0, .4);
  transition: transform .3s;
}
.float-contact__btn:hover { transform: translateY(-4px) scale(1.06); }
.float-contact__btn--phone { background: var(--navy); animation: pulse 2.4s infinite; }
.float-contact__btn--zalo { background: #0068FF; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(20, 71, 124, .5); }
  70% { box-shadow: 0 0 0 16px rgba(20, 71, 124, 0); }
  100% { box-shadow: 0 0 0 0 rgba(20, 71, 124, 0); }
}

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(7, 29, 51, .94);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .35s;
  padding: 4vh 4vw;
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox img {
  max-width: 100%; max-height: 100%; border-radius: 10px;
  box-shadow: 0 40px 120px rgba(0, 0, 0, .5);
}
.lightbox__close {
  position: absolute; top: 20px; right: 28px;
  background: none; border: none; color: #fff; font-size: 44px;
  cursor: pointer; line-height: 1; opacity: .8; transition: opacity .3s, transform .3s;
}
.lightbox__close:hover { opacity: 1; transform: rotate(90deg); }

/* Reveal base states (JS toggles) */
[data-reveal] { opacity: 0; transform: translateY(36px); will-change: transform, opacity; }
[data-reveal-group] > * { opacity: 0; transform: translateY(40px); will-change: transform, opacity; }
.no-js [data-reveal], .no-js [data-reveal-group] > * { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal-group] > * { opacity: 1 !important; transform: none !important; }
  .marquee__track { animation-duration: 90s; }
  .hero__video { transform: none; animation: none; }
}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 1024px) {
  .header__nav { display: none; }
  .header__burger {
    display: flex; flex-direction: column; gap: 5px; margin-left: auto;
    background: none; border: none; cursor: pointer; padding: 8px;
  }
  .header__burger span { width: 26px; height: 2px; background: #fff; transition: transform .3s, opacity .3s; }
  .header__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .header__burger.is-open span:nth-child(2) { opacity: 0; }
  .header__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .header__cta { display: none; }
  .overview__grid { grid-template-columns: 1fr; }
  .overview__stats { position: static; }
  .towers__grid { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; }
  .amenities__gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
  .policy__grid { grid-template-columns: repeat(2, 1fr); }
  .location__grid { grid-template-columns: 1fr; }
  .legal__grid { grid-template-columns: repeat(2, 1fr); }
  .floorplan__types { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 640px) {
  .only-desktop { display: none; }
  .hero__content { padding-bottom: 90px; }
  .hero__facts { gap: 20px 28px; }
  .hero__scroll { display: none; }
  .amenities__gallery { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .gal--wide { grid-column: span 1; }
  .policy__grid { grid-template-columns: 1fr; }
  .policy__gifts ul { grid-template-columns: 1fr; }
  .legal__grid { grid-template-columns: 1fr; }
  .location__list strong { width: 88px; font-size: 20px; }
  .btn--lg { padding: 15px 26px; font-size: 15px; }
  .hero__cta .btn { width: 100%; }
}