:root {
  --ivory: #f4efe6;
  --paper: #faf6ef;
  --white: #fffdf9;
  --ink: #2b241c;
  --muted: #6a6156;
  --gold: #9a7a3c;
  --gold-deep: #7d622d;
  --line: #e4d8c4;
  --shadow: 0 18px 40px rgba(43, 36, 28, 0.08);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Be Vietnam Pro", "Segoe UI", sans-serif;
  --max: 1120px;
  --gutter: 1.25rem;
  --radius: 1.1rem;
  --header: 4.25rem;
  --sticky: 4.25rem;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header) + 0.75rem);
}

html,
body {
  max-width: 100%;
  overflow-x: clip;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--ivory);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  padding-bottom: calc(var(--sticky) + var(--safe-bottom));
}

img,
iframe {
  max-width: 100%;
  display: block;
}

img {
  height: auto;
}

figure {
  margin: 0;
}

a {
  color: var(--gold-deep);
  text-underline-offset: 0.18em;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  overflow-wrap: break-word;
}

h1 {
  font-size: clamp(2.35rem, 8vw, 4.2rem);
  margin: 0 0 0.35rem;
  font-weight: 500;
  font-style: italic;
}

h2 {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  margin: 0 0 0.8rem;
}

h3 {
  font-size: 1.2rem;
  margin: 0.2rem 0 0.4rem;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 0.9rem;
}

p:last-child {
  margin-bottom: 0;
}

.container {
  width: min(var(--max), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}

.narrow {
  width: min(40rem, calc(100% - (var(--gutter) * 2)));
}

.sr-only,
.skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.skip-link:focus {
  position: fixed;
  z-index: 80;
  top: 0.75rem;
  left: 0.75rem;
  background: var(--ink);
  color: var(--ivory);
  padding: 0.6rem 0.9rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--gold-deep);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.68rem;
  font-weight: 600;
}

.section-head {
  max-width: 36rem;
  margin-bottom: 1.75rem;
}

.section-head p {
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: 600 0.92rem/1 var(--sans);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-gold {
  background: var(--gold-deep);
  color: var(--ivory);
}

.btn-gold:hover {
  background: var(--ink);
  color: var(--ivory);
}

.btn-line {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-lg {
  min-height: 3rem;
  padding-inline: 1.25rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(244, 239, 230, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: var(--header);
}

.brand {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
}

.brand img {
  height: 3.35rem;
  width: auto;
  max-width: 7.5rem;
  object-fit: contain;
}

.nav,
.header-cta {
  display: none;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.nav a:hover {
  color: var(--ink);
}

.nav-toggle {
  margin-left: auto;
  min-width: 2.75rem;
  height: 2.35rem;
  padding: 0 0.85rem;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: var(--ivory);
  font: 600 0.8rem/1 var(--sans);
  flex: 0 0 auto;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  gap: 0.15rem;
  padding: 0.25rem var(--gutter) 1rem;
  background: var(--ivory);
  border-bottom: 1px solid var(--line);
}

.mobile-nav.is-open {
  display: grid;
}

.mobile-nav a {
  padding: 0.7rem 0;
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}

.mobile-nav .btn {
  margin-top: 0.4rem;
}

.hero {
  padding: 1.75rem 0 2rem;
}

.hero-grid {
  display: grid;
  gap: 1.5rem;
}

.tagline {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 3.4vw, 1.7rem);
  font-style: italic;
  margin: 0 0 0.85rem;
  color: var(--ink);
}

.hero-lead {
  color: var(--muted);
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1.35rem;
}

.hero-actions .btn {
  width: 100%;
}

.hero-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #ddd4c6;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.trust {
  border-block: 1px solid var(--line);
  background: var(--paper);
}

.trust-row {
  list-style: none;
  margin: 0;
  padding: 1rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1rem;
}

.trust-row li {
  min-width: 0;
}

.trust-row strong,
.trust-row span {
  display: block;
}

.trust-row strong {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--gold-deep);
}

.trust-row span {
  color: var(--muted);
  font-size: 0.86rem;
}

.about,
.services,
.space,
.steps,
.faq,
.booking {
  padding: 3.25rem 0;
}

.split,
.booking-grid {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.split > *,
.booking-grid > * {
  min-width: 0;
}

.portrait {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #ddd4c6;
}

.portrait img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: 50% 78%;
}

.service-grid,
.step-list,
.gallery {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.service-grid li,
.booking-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.15rem 1.1rem 1.05rem;
}

.service-grid p,
.step-list p {
  color: var(--muted);
  font-size: 0.95rem;
}

.num {
  font-family: var(--serif);
  color: var(--gold);
  font-size: 1rem;
}

.gallery figure {
  min-width: 0;
}

.gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  background: #ddd4c6;
}

.gallery figcaption,
.map-frame figcaption {
  padding-top: 0.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.space-note {
  margin-top: 1.1rem;
  color: var(--muted);
}

.step-list li {
  padding: 1rem 1rem 1rem 3.4rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--white);
  position: relative;
  counter-increment: step;
}

.step-list {
  counter-reset: step;
}

.step-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 1rem;
  top: 1rem;
  font-family: var(--serif);
  color: var(--gold);
  font-size: 1.15rem;
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 0.95rem 0;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin-top: 0.55rem;
  color: var(--muted);
}

.booking {
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding-bottom: 3.5rem;
}

.contact-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
}

.contact-list li {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.contact-list span:first-child {
  color: var(--muted);
  font-size: 0.86rem;
}

.contact-list a {
  overflow-wrap: anywhere;
}

.booking-form {
  display: grid;
  gap: 0.8rem;
}

.booking-form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.86rem;
  font-weight: 500;
}

.booking-form input,
.booking-form select,
.booking-form textarea {
  width: 100%;
  font: 400 1rem var(--sans);
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--line);
  background: var(--ivory);
  color: var(--ink);
  border-radius: 0.7rem;
}

.booking-form input:focus,
.booking-form select:focus,
.booking-form textarea:focus {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
}

.form-hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.map-frame iframe {
  width: 100%;
  height: 14.5rem;
  border: 0;
  border-radius: var(--radius);
  background: var(--white);
}

.site-footer {
  padding: 2.5rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  gap: 1.25rem;
}

.footer-logo {
  width: auto;
  height: 4.5rem;
  object-fit: contain;
  margin: 0 0 0.4rem;
}

.footer-label {
  margin: 0 0 0.35rem;
  color: var(--gold-deep);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.7rem;
  font-weight: 600;
}

.copyright {
  width: min(var(--max), calc(100% - (var(--gutter) * 2)));
  margin: 1.5rem auto 0;
  font-size: 0.78rem;
}

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-bottom: var(--safe-bottom);
  background: var(--ivory);
  box-shadow: 0 -8px 24px rgba(43, 36, 28, 0.08);
}

.sticky-cta a {
  min-height: var(--sticky);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.75rem;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  background: var(--ink);
  color: var(--ivory);
}

.sticky-cta a.zalo {
  background: var(--gold-deep);
}

@media (min-width: 520px) {
  .hero-actions {
    flex-direction: row;
  }

  .hero-actions .btn {
    width: auto;
    flex: 1 1 12rem;
  }
}

@media (min-width: 720px) {
  .trust-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .service-grid,
  .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery {
    grid-template-columns: 1fr 1fr;
  }

  .gallery-wide {
    grid-column: 1 / -1;
  }

  .gallery img {
    aspect-ratio: 3 / 4;
  }

  .gallery-wide img {
    aspect-ratio: 16 / 9;
  }
}

@media (min-width: 960px) {
  body {
    padding-bottom: 0;
  }

  .nav,
  .header-cta {
    display: flex;
    align-items: center;
    gap: 1.35rem;
  }

  .nav {
    margin-left: auto;
  }

  .nav-toggle,
  .mobile-nav,
  .sticky-cta {
    display: none;
  }

  .hero {
    padding: 3.25rem 0 3.5rem;
  }

  .hero-grid,
  .split,
  .booking-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3rem;
    align-items: center;
  }

  .hero-media img {
    aspect-ratio: 4 / 3;
    min-height: 26rem;
  }

  .about,
  .services,
  .space,
  .steps,
  .faq,
  .booking {
    padding: 4.5rem 0;
  }

  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .booking-grid {
    align-items: start;
  }

  .map-frame {
    grid-column: 1 / -1;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}