/* ---------- Base ---------- */
:root {
  --sea: #3b6e8f;
  --sea-dark: #2a5470;
  --sand: #f5efe6;
  --ink: #1f2937;
  --ink-soft: #4b5563;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #d97706;
  --accent-dark: #b45309;
  --zalo: #0068ff;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 20px 50px rgba(0,0,0,.18);
  --radius: 14px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--sea-dark); text-decoration: none; }
a:hover { color: var(--accent); }
h1, h2, h3 {
  font-family: 'Playfair Display', 'Be Vietnam Pro', serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
p { margin: 0 0 1em; color: var(--ink-soft); }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }
.muted { color: var(--muted); }
.eyebrow {
  display: inline-block;
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: .6rem;
}
.eyebrow-dark { color: var(--sea); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  border: 0;
  cursor: pointer;
  white-space: nowrap;
}
.btn-sm { padding: .55rem 1rem; font-size: .9rem; }
.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 6px 16px rgba(217,119,6,.35);
}
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
.btn-zalo {
  background: var(--zalo);
  color: var(--white);
  box-shadow: 0 6px 16px rgba(0,104,255,.3);
}
.btn-zalo:hover { background: #0055cc; color: #fff; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--sea-dark);
  border: 1.5px solid var(--sea);
}
.btn-outline:hover { background: var(--sea); color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .6rem; line-height: 1.1; }
.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,.1);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-mark {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sea-dark);
}
.brand-sub { font-size: .72rem; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
@media (max-width: 480px) {
  .brand-logo { width: 38px; height: 38px; }
  .brand-mark { font-size: 1.25rem; }
  .brand-sub { font-size: .65rem; }
}

.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav a { color: var(--ink); font-weight: 500; }
.nav a:hover { color: var(--accent); }

.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang-switch button {
  border: 0;
  background: transparent;
  padding: .35rem .75rem;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--muted);
}
.lang-switch button.active { background: var(--sea); color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 880px) {
  .nav-toggle { display: flex; }
  .nav {
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    transform: translateY(-150%);
    transition: transform .25s ease;
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: .5rem 0; border-bottom: 1px solid var(--line); }
  .lang-switch { align-self: flex-start; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: clamp(520px, 78vh, 760px);
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.2) 0%, rgba(0,0,0,.55) 100%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 760px; padding-top: 2rem; padding-bottom: 2rem; }
.hero h1 { color: #fff; }
.hero .lead { color: rgba(255,255,255,.92); font-size: clamp(1rem, 1.6vw, 1.2rem); }
.hero .eyebrow { color: #ffd2a3; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 1rem 2rem;
  list-style: none; padding: 0; margin: 2rem 0 0;
  color: rgba(255,255,255,.92); font-size: .95rem;
}

/* ---------- Sections ---------- */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section h2 { margin-bottom: 1rem; }

.about { background: var(--sand); }
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 880px) { .about-grid { grid-template-columns: 1fr; } }

.features {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .75rem 1.25rem;
}
.features li {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 500;
  color: var(--ink);
}

.about-photos { display: grid; gap: .75rem; grid-template-columns: repeat(2, 1fr); }
.about-photos img {
  border-radius: var(--radius);
  object-fit: cover;
  width: 100%;
  height: 100%;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-md);
  transition: transform .3s ease;
  cursor: zoom-in;
}
.about-photos img:first-child { grid-column: 1 / -1; aspect-ratio: 16/9; }
.about-photos img:hover { transform: scale(1.02); }

/* ---------- Rooms ---------- */
.rooms-section { background: #fff; }
.rooms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.room-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.room-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.room-thumb {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  cursor: zoom-in;
  background: #f3f4f6;
}
.room-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.room-thumb:hover img { transform: scale(1.05); }
.room-thumb .badge {
  position: absolute;
  top: .75rem; left: .75rem;
  background: rgba(0,0,0,.6);
  color: #fff;
  font-size: .75rem;
  padding: .25rem .6rem;
  border-radius: 999px;
  font-weight: 500;
}

.room-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  flex: 1;
}
.room-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}
.room-meta { font-size: .9rem; color: var(--muted); margin: 0; }
.room-price {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.room-price strong { color: var(--accent); font-size: 1.35rem; font-weight: 700; font-family: 'Be Vietnam Pro', sans-serif; }
.room-price small { color: var(--muted); font-size: .85rem; }

.room-actions { display: flex; gap: .5rem; padding: 0 1.25rem 1.25rem; }
.room-actions .btn { flex: 1; justify-content: center; }

/* ---------- Grounds ---------- */
.grounds { background: var(--sand); }
.grounds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: .75rem;
  margin-top: 2rem;
}
.grounds-grid img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 10px;
  cursor: zoom-in;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease;
}
.grounds-grid img:hover { transform: scale(1.03); }

/* ---------- Contact ---------- */
.contact { background: #fff; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-cards { display: grid; gap: .75rem; margin: 1.5rem 0; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.contact-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: transparent; }
.contact-card .ico {
  font-size: 1.6rem;
  width: 48px; height: 48px;
  border-radius: 50%;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.contact-card.phone .ico { background: #fee9d6; color: var(--accent); }
.contact-card.zalo .ico { background: #d6e6ff; color: var(--zalo); }
.contact-card.zalo .ico img { width: 30px; height: 30px; display: block; }

/* Zalo logo helper */
.icon-zalo {
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: -4px;
  border-radius: 4px;
}
.btn .icon-zalo { vertical-align: -5px; }
.btn-sm .icon-zalo { width: 16px; height: 16px; vertical-align: -3px; }
.footer-contact .ico .icon-zalo { width: 16px; height: 16px; vertical-align: 0; }
.fab-zalo img { width: 32px; height: 32px; display: block; }
.social-zalo { background: #fff !important; padding: 6px; }
.social-zalo img { width: 22px; height: 22px; display: block; }
.social-zalo:hover { background: #e6f0ff !important; }
.contact-card small { display: block; font-size: .8rem; color: var(--muted); margin-bottom: 2px; }
.contact-card strong { font-size: 1.1rem; color: var(--ink); }

.info { display: grid; grid-template-columns: 140px 1fr; gap: .6rem 1rem; margin: 1.5rem 0 0; }
.info dt { font-weight: 600; color: var(--ink); }
.info dd { margin: 0; color: var(--ink-soft); }
.badge-soft {
  display: inline-block;
  font-size: .75rem;
  padding: .15rem .55rem;
  border-radius: 999px;
  background: rgba(59,110,143,.12);
  color: var(--sea-dark);
  font-weight: 500;
  margin-left: .25rem;
  vertical-align: 2px;
  letter-spacing: .02em;
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  font-weight: 600;
  color: var(--sea-dark);
}
.link-arrow:hover { color: var(--accent); }

.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 96px;
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; }
@media (max-width: 880px) { .map-wrap { position: static; aspect-ratio: 4/3; } }

/* ---------- Info rows (compact) ---------- */
.info-rows {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: .65rem;
}
.info-rows li {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  color: var(--ink-soft);
  font-size: .95rem;
  line-height: 1.5;
}
.info-rows .ico {
  flex-shrink: 0;
  width: 24px;
  text-align: center;
  opacity: .85;
}
.info-rows a { color: var(--ink-soft); }
.info-rows a:hover { color: var(--accent); }

/* ---------- Distance chips ---------- */
.distance-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.25rem;
}
.distance-chips .chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .4rem .75rem;
  border-radius: 999px;
  background: var(--sand);
  border: 1px solid rgba(59,110,143,.15);
  font-size: .85rem;
  color: var(--ink-soft);
  white-space: nowrap;
}
.distance-chips .chip b {
  color: var(--sea-dark);
  font-weight: 700;
  font-size: .82rem;
}

/* ---------- FAQ ---------- */
.faq { background: #fff; }
.faq-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .9rem 1.25rem;
  margin-top: 2rem;
  align-items: start;
}
@media (max-width: 880px) { .faq-list { grid-template-columns: 1fr; } }

.faq-list details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
  overflow: hidden;
}
.faq-list details:hover { border-color: rgba(59,110,143,.4); }
.faq-list details[open] {
  border-color: var(--sea);
  background: var(--sand);
  box-shadow: var(--shadow-sm);
}
.faq-list summary {
  cursor: pointer;
  padding: 1rem 3rem 1rem 1.1rem;
  font-weight: 600;
  color: var(--ink);
  position: relative;
  list-style: none;
  font-size: .98rem;
  line-height: 1.5;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: '';
  position: absolute;
  right: 1.1rem;
  top: 50%;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--sea);
  color: #fff;
  display: grid; place-items: center;
  transform: translateY(-50%);
  transition: transform .25s ease, background .15s ease;
}
.faq-list summary::before {
  content: '';
  position: absolute;
  right: 1.1rem;
  top: 50%;
  width: 22px; height: 22px;
  transform: translateY(-50%);
  background-image: linear-gradient(#fff,#fff), linear-gradient(#fff,#fff);
  background-size: 10px 2px, 2px 10px;
  background-position: center, center;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 1;
  transition: transform .25s ease, background-size .25s ease;
}
.faq-list details[open] summary::before { background-size: 10px 2px, 0 0; }
.faq-list details[open] summary::after { background: var(--accent); }
.faq-list summary:hover { color: var(--accent); }
.faq-list details p {
  margin: 0;
  padding: 0 1.1rem 1.1rem;
  color: var(--ink-soft);
  line-height: 1.65;
  font-size: .94rem;
}

/* ---------- Footer (redesigned) ---------- */
.site-footer {
  background: linear-gradient(180deg, var(--sea-dark) 0%, #1f3d54 100%);
  color: rgba(255,255,255,.85);
  padding: 3rem 0 1.5rem;
  margin-top: 0;
}
.site-footer a { color: rgba(255,255,255,.85); transition: color .15s ease; }
.site-footer a:hover { color: #ffd2a3; }

/* Trust bar */
.trust-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 0;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  margin-bottom: 2.5rem;
  overflow: hidden;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1.1rem 1.25rem;
  border-right: 1px solid rgba(255,255,255,.1);
  text-align: left;
}
.trust-item:last-child { border-right: 0; }
.trust-ico {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255,210,163,.15);
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  color: #ffd2a3;
}
.trust-item > div { min-width: 0; line-height: 1.4; }
.trust-item strong {
  display: block;
  color: #ffd2a3;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: .2rem;
  font-weight: 600;
}
.trust-item > div span { color: rgba(255,255,255,.92); font-size: .92rem; }

@media (max-width: 880px) {
  .trust-bar { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .trust-item:last-child { border-bottom: 0; }
}

/* Footer grid */
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1.3fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.footer-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  color: rgba(255,255,255,.78);
  font-size: .94rem;
  line-height: 1.5;
}
.footer-contact .ico {
  flex-shrink: 0;
  width: 22px;
  display: inline-block;
  opacity: .85;
  text-align: center;
}
.footer-contact a { color: rgba(255,255,255,.92); }
.footer-contact a:hover { color: #ffd2a3; }
.footer-col h4 {
  color: #fff;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: .95rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin: 0 0 1rem;
  font-weight: 600;
}
.footer-col p { color: rgba(255,255,255,.75); margin: .35rem 0; font-size: .94rem; }

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: .85rem;
  margin-bottom: .85rem;
}
.footer-logo-img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,.25);
  border: 2px solid rgba(255,255,255,.15);
}
.footer-logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.footer-brand .brand-mark {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
}
.footer-brand .brand-sub {
  font-size: .75rem;
  color: rgba(255,255,255,.7);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.footer-brand > p { max-width: 360px; }

.socials { display: flex; gap: .6rem; margin-top: 1rem; }
.socials a {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.9);
  transition: background .15s ease, transform .15s ease;
}
.socials a:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.footer-links a { color: rgba(255,255,255,.75); font-size: .94rem; }

/* Footer bottom */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  flex-wrap: wrap;
}
.legal p { margin: .2rem 0; font-size: .85rem; color: rgba(255,255,255,.6); }
.legal em { font-style: normal; color: rgba(255,255,255,.4); }
.back-top {
  font-size: .85rem;
  padding: .5rem 1rem;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  color: rgba(255,255,255,.85);
  transition: background .15s ease, border-color .15s ease;
}
.back-top:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.4); color: #fff; }

@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .footer-bottom { justify-content: center; text-align: center; }
  .legal { width: 100%; }
}

/* Avoid FAB overlapping copyright on mobile */
@media (max-width: 700px) {
  .footer-bottom { padding-bottom: 80px; }
}

/* ---------- Floating contacts ---------- */
.floating-contacts {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 40;
}
.fab {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 1.5rem;
  color: #fff;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
  transition: transform .15s ease;
}
.fab:hover { transform: scale(1.08); color: #fff; }
.fab-call { background: var(--accent); }
.fab-zalo { background: var(--zalo); }
@media (min-width: 1024px) { .floating-contacts { right: 24px; bottom: 24px; } }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.92);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  padding: 1rem;
}
.lightbox[hidden] { display: none; }
.lb-img {
  max-width: min(96vw, 1400px);
  max-height: 88vh;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
}
.lb-close, .lb-prev, .lb-next {
  position: absolute;
  background: rgba(255,255,255,.12);
  border: 0;
  color: #fff;
  font-size: 2rem;
  width: 48px; height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: grid; place-items: center;
  transition: background .15s ease;
  line-height: 1;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: rgba(255,255,255,.25); }
.lb-close { top: 16px; right: 16px; font-size: 1.6rem; }
.lb-prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 16px; top: 50%; transform: translateY(-50%); }
.lb-counter {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.8);
  font-size: .9rem;
  background: rgba(0,0,0,.5);
  padding: .25rem .75rem;
  border-radius: 999px;
}
@media (max-width: 600px) {
  .lb-close, .lb-prev, .lb-next { width: 40px; height: 40px; font-size: 1.6rem; }
}