/* ============================================================
   DESIGN TOKENS - edit this block first for every new client.
   Everything below the token block reads from these variables,
   so a full reskin is a ~2 minute edit.
   ============================================================ */
:root {
  --color-ink: #1a1a1a;
  --color-ink-soft: #4b4b4b;
  --color-muted: #7a7a7a;
  --color-line: #e3e0da;
  --color-bg: #ffffff;
  --color-bg-alt: #fdf3f1;
  --color-accent: #677c69;
  --color-accent-soft: #a1b89c;
  --color-white: #ffffff;

  --font-display: "Be Vietnam Pro", -apple-system, sans-serif;
  --font-body: "Be Vietnam Pro", -apple-system, sans-serif;

  --radius-sm: 8px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-full: 999px;

  --container-w: 1200px;
  --section-pad: 6rem;
  --section-pad-sm: 3.25rem;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   FONTS (self-hosted, chosen for correct rendering of stacked
   Vietnamese diacritics like "ệ", "ữ", "ợ" at large display sizes
   - Google-served display serifs (Cormorant, Playfair...) were
   tested and drop/float those marks at heading size)
   ============================================================ */
@font-face {
  font-family: "Be Vietnam Pro";
  src: url("../fonts/be-vietnam-pro-light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Be Vietnam Pro";
  src: url("../fonts/be-vietnam-pro-light-italic.woff2") format("woff2");
  font-weight: 300;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Be Vietnam Pro";
  src: url("../fonts/be-vietnam-pro-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Be Vietnam Pro";
  src: url("../fonts/be-vietnam-pro-semibold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ============================================================
   RESET
   ============================================================ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-bg);
  font-family: var(--font-body);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s var(--ease), opacity 0.25s var(--ease); }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; transition: background-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease), opacity 0.25s var(--ease); }
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.1;
  margin: 0;
}
h1 em, h2 em, h3 em { font-style: italic; color: var(--color-accent); }
p { line-height: 1.85; margin: 0; }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section { padding: var(--section-pad) 0; }
.section-sm { padding: var(--section-pad-sm) 0; }
.section-alt { background: var(--color-bg-alt); }
@media (max-width: 768px) {
  .section { padding: var(--section-pad-sm) 0; }
}

.eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1rem;
}
.eyebrow.center { text-align: center; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 2rem;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px); }
.btn-primary { background: var(--color-ink); color: var(--color-white); }
.btn-primary:hover { background: var(--color-ink-soft); box-shadow: 0 10px 24px rgba(0,0,0,0.18); }
.btn-outline { background: transparent; color: var(--color-ink); border-color: var(--color-ink); }
.btn-outline:hover { background: var(--color-ink); color: var(--color-white); box-shadow: 0 10px 24px rgba(0,0,0,0.14); }
.btn-outline-white { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.8); }
.btn-outline-white:hover { background: var(--color-white); color: var(--color-ink); box-shadow: 0 10px 24px rgba(0,0,0,0.25); }
.btn-tel {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 1.1rem 2.5rem;
  font-size: 0.78rem;
}
.btn-tel:hover { background: var(--color-ink); box-shadow: 0 10px 24px rgba(0,0,0,0.2); }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background-color 0.4s ease, border-color 0.4s ease;
}
.nav.is-solid { background: var(--color-white); border-bottom: 1px solid var(--color-line); }
.nav-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-white);
  transition: color 0.4s ease;
}
.nav.is-solid .nav-brand { color: var(--color-ink); }
.nav-links { display: none; align-items: center; gap: 2.25rem; }
.nav-links a {
  position: relative;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-white);
  opacity: 0.85;
  padding-bottom: 2px;
  transition: color 0.4s var(--ease), opacity 0.25s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
}
.nav-links a:hover { opacity: 1; }
.nav-links a:hover::after { width: 100%; }
.nav.is-solid .nav-links a { color: var(--color-ink); }
.nav-actions { display: none; align-items: center; gap: 1.25rem; }
.lang-toggle {
  background: none;
  border: none;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-white);
  transition: color 0.4s var(--ease), opacity 0.25s var(--ease), transform 0.25s var(--ease);
}
.lang-toggle:hover { opacity: 0.7; transform: scale(1.06); }
.nav.is-solid .lang-toggle { color: var(--color-ink); }
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-white);
  transition: background-color 0.4s var(--ease), transform 0.3s var(--ease);
}
.nav-toggle:hover span { background: var(--color-accent); }
.nav.is-solid .nav-toggle span { background: var(--color-ink); }
.nav.is-solid .nav-toggle:hover span { background: var(--color-accent); }
.mobile-menu {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem 1.5rem 2.5rem;
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ink);
  transition: color 0.25s var(--ease);
}
.mobile-menu a:hover { color: var(--color-accent); }
@media (min-width: 900px) {
  .nav-links, .nav-actions { display: flex; }
  .nav-toggle { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--color-ink);
}
.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0.35) 55%, rgba(0,0,0,0.5));
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--container-w);
  margin: 0 auto;
  width: 100%;
  padding: 0 1.5rem 6rem;
  color: var(--color-white);
}
.hero-content .eyebrow { color: rgba(255,255,255,0.75); }
.hero-content h1 {
  font-size: clamp(2.4rem, 6vw, 5.5rem);
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
  margin-bottom: 1.5rem;
}
.hero-content p.lead {
  max-width: 34rem;
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2.5rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
#hero-index { background-image: url("../img/gallery/hero-collage.jpg"); }
@media (max-width: 768px) {
  #hero-index { background-image: url("../img/gallery/hero-mobile.jpg"); }
}

/* ============================================================
   PAGE HEADER (inner pages, no full hero)
   ============================================================ */
.page-header {
  padding: 9.5rem 0 3.5rem;
  text-align: center;
  background: var(--color-bg-alt);
}
.page-header h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
.page-header p.lead {
  max-width: 34rem;
  margin: 1.25rem auto 0;
  color: var(--color-ink-soft);
}

/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   CARDS / SERVICES
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 700px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
.card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  border-color: var(--color-accent-soft);
}
.card .card-index {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-accent-soft);
  margin-bottom: 0.75rem;
  transition: color 0.35s var(--ease);
}
.card:hover .card-index { color: var(--color-accent); }
.card h3 { font-size: 1.35rem; margin-bottom: 0.6rem; }
.card p { color: var(--color-muted); font-size: 0.92rem; }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 1.1fr 0.9fr; gap: 4.5rem; }
}
.about-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
}
.about-media img, .about-media video { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.about-media:hover img, .about-media:hover video { transform: scale(1.04); }
.quote-block {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-line);
}
.quote-block p {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.3;
  color: var(--color-ink);
}
.quote-block footer { margin-top: 1rem; }

/* ============================================================
   WAVE DIVIDER (optional decorative section break)
   ============================================================ */
.wave-divider { position: relative; height: 56px; overflow: hidden; margin: -28px 0; z-index: 5; pointer-events: none; }
.wave-divider svg { position: absolute; top: 0; left: 0; width: 200%; height: 100%; animation: wave-flow 10s linear infinite; }
@keyframes wave-flow { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ============================================================
   GALLERY + LIGHTBOX
   ============================================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
@media (min-width: 700px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
}
.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--color-bg-alt);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.gallery-item:hover img { transform: scale(1.05); }
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(15,15,15,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius-sm); }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--color-white);
  border-radius: var(--radius-full);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: scale(1.08);
}
.lightbox-prev:hover, .lightbox-next:hover { transform: translateY(-50%) scale(1.08); }
.lightbox-close { top: 1.5rem; right: 1.5rem; }
.lightbox-prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1.5rem; top: 50%; transform: translateY(-50%); }

/* ============================================================
   SERVICE ROW MEDIA (services.html)
   ============================================================ */
.service-media { transition: box-shadow 0.35s var(--ease); }
.service-media img { transition: transform 0.5s var(--ease); }
.service-media:hover img { transform: scale(1.06); }
.service-media:hover { box-shadow: 0 20px 40px rgba(0,0,0,0.1); }

/* ============================================================
   CONTACT / BOOKING
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 4rem; }
}
.info-list { margin-top: 2rem; display: flex; flex-direction: column; gap: 1.1rem; }
.info-list .label-sm {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
  display: block;
  margin-bottom: 0.25rem;
}
.info-list .value { font-size: 1.05rem; }
.info-list .value a { transition: color 0.25s var(--ease); }
.info-list .value a:hover { color: var(--color-accent); }
.map-frame {
  border: 0;
  border-radius: var(--radius-md);
  width: 100%;
  height: 320px;
}
.tel-panel {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
}
.tel-panel .tel-number {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 1rem 0 1.75rem;
  display: block;
  transition: color 0.25s var(--ease);
}
.tel-panel .tel-number:hover { color: var(--color-accent); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--color-white); border-top: 1px solid var(--color-line); padding: 3.5rem 0 2rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-line);
  text-align: center;
}
@media (min-width: 700px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); text-align: left; }
}
.footer-grid h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.footer-grid p, .footer-grid a { color: var(--color-muted); font-size: 0.9rem; }
.footer-grid a { transition: color 0.25s var(--ease); }
.footer-grid a:hover { color: var(--color-accent); }
.footer-grid ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-bottom { padding-top: 1.5rem; display: flex; flex-direction: column; gap: 0.4rem; text-align: center; }
.footer-bottom .label-sm {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.footer-bottom .label-sm a { transition: color 0.25s var(--ease); }
.footer-bottom .label-sm a:hover { color: var(--color-accent); }