/* ═══════════════════════════════════════════════════════
   The Narathiwas Hotel & Residence — Shared Stylesheet
   ═══════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --gold: #96723a;
  --gold-light: #b8965a;
  --dark: #1a1712;
  --dark2: #2a2520;
  --cream: #f5f0e8;
  --cream2: #ede6d8;
  --text: #3a342c;
  --text-light: #7a6e60;
  --white: #fdfaf5;
  --nav-h: 72px;
  --tab-h: 72px;
  --font-bump: 1.5px;

  /* Type scale — shared sizing tiers used across all pages.
     Every tier already bakes in --font-bump, so any element can just
     read font-size: var(--fs-x) instead of writing its own calc(). */
  --fs-micro: calc(9px + var(--font-bump));   /* smallest captions: d-label, addr-label, rsb-label */
  --fs-xs:    calc(10px + var(--font-bump));  /* small uppercase tags: section-label, footer-col h4 */
  --fs-sm:    calc(11px + var(--font-bump));  /* nav, buttons, eyebrow, room-tag */
  --fs-2xs:   calc(12px + var(--font-bump));  /* footer copy, distance km, m-cta */
  --fs-body-sm: calc(13px + var(--font-bump)); /* secondary/dense copy: faq-answer, room-details */
  --fs-body:  calc(14px + var(--font-bump));  /* standard paragraph copy */
  --fs-body-lg: calc(16px + var(--font-bump)); /* lead paragraphs, featured room-details */
  --fs-sub:   calc(18px + var(--font-bump));  /* card/component subheadings */
  --fs-h3:    calc(22px + var(--font-bump));  /* feature titles, stat values */
  --fs-h2:    calc(clamp(30px, 4vw, 48px) + var(--font-bump)); /* section headings, room names */
  --fs-h1:    calc(clamp(36px, 5vw, 64px) + var(--font-bump)); /* page headings */
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Jost', sans-serif;
  background: var(--white);
  color: var(--text);
  overflow-x: hidden;
  padding-bottom: var(--tab-h);
}
img { max-width: 100%; display: block; }

/* ── Nav ── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px; height: var(--nav-h);
  background: rgba(26,23,18,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(184,150,90,0.25);
}
.nav-logo-link { display: flex; align-items: center; text-decoration: none; }
.nav-logo-img {
  height: 46px; width: auto; display: block;
  filter: brightness(0) invert(1) sepia(0.2);
  transition: opacity .3s;
}
.nav-logo-img:hover { opacity: .8; }
.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a {
  color: rgba(245,240,232,0.75);
  text-decoration: none; font-size: var(--fs-sm); letter-spacing: 2px;
  text-transform: uppercase; transition: color .3s;
  padding-bottom: 4px; border-bottom: 1px solid transparent;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--gold-light); border-bottom-color: var(--gold); }
.nav-cta {
  background: transparent; border: 1px solid var(--gold);
  color: var(--gold-light); padding: 9px 22px;
  font-family: 'Jost', sans-serif; font-size: var(--fs-sm);
  letter-spacing: 2px; text-transform: uppercase;
  cursor: pointer; transition: all .3s; text-decoration: none;
}
.nav-cta:hover { background: var(--gold); color: var(--dark); }

/* ── Hamburger ── */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 8px; z-index: 300;
  background: none; border: none;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--gold-light); transition: all .3s;
  pointer-events: none;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile menu ── */
.mobile-menu {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 32px; position: fixed; inset: 0; z-index: 150;
  background: var(--dark);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .3s, visibility .3s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.mobile-menu a {
  color: var(--cream); text-decoration: none;
  font-family: 'Marcellus', serif;
  font-size: calc(30px + var(--font-bump)); font-weight: 300; letter-spacing: 2px;
  transition: color .3s;
}
.mobile-menu a:hover,
.mobile-menu a[aria-current="page"] { color: var(--gold-light); }
.mobile-menu .m-cta {
  background: var(--gold); color: var(--dark);
  padding: 14px 48px; font-family: 'Jost', sans-serif;
  font-size: var(--fs-2xs); letter-spacing: 3px; text-transform: uppercase;
}

/* ── Bottom Tab Bar ── */
.bottom-tabbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 100;
  height: var(--tab-h); background: rgba(26,23,18,0.97);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(184,150,90,0.25);
  display: flex; align-items: stretch;
}
.tab-item {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-decoration: none; gap: 4px; padding: 0 4px;
  color: rgba(237,230,216,0.45); transition: color .25s;
  border-top: 2px solid transparent;
}
.tab-item:hover,
.tab-item[aria-current="page"] { color: var(--gold-light); border-top-color: var(--gold); }
.tab-icon { font-size: 20px; line-height: 1; }
.tab-label { font-size: var(--fs-micro); letter-spacing: 1.5px; text-transform: uppercase; font-family: 'Jost', sans-serif; }

/* ── Page hero (inner pages) ── */
.page-hero {
  margin-top: var(--nav-h); height: 300px;
  position: relative; display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.page-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.page-hero-overlay { position: absolute; inset: 0; background: rgba(26,23,18,0.55); }
.page-hero-content { position: relative; text-align: center; color: var(--white); }
.page-hero-eyebrow {
  font-size: var(--fs-sm); letter-spacing: 5px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
  display: flex; align-items: center; justify-content: center; gap: 12px;
}
.page-hero-eyebrow::before,
.page-hero-eyebrow::after { content: ''; width: 28px; height: 1px; background: var(--gold); }

/* ── Typography ── */
h1, h2, h3 { font-family: 'Marcellus', serif; font-weight: 300; line-height: 1.15; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); color: var(--dark); }
h2 em { font-style: italic; color: var(--gold); }

/* ── Layout helpers ── */
.section-pad { padding: 80px 48px; }
.container { max-width: 1200px; margin: 0 auto; }
.section-label {
  font-size: var(--fs-xs); letter-spacing: 5px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
  display: flex; align-items: center; gap: 12px;
}
.section-label::after { content: ''; width: 32px; height: 1px; background: var(--gold); }
.section-label.center { justify-content: center; }
.section-label.center::after { display: none; }
.ornament { text-align: center; padding: 12px 0; color: var(--gold); font-size: calc(16px + var(--font-bump)); letter-spacing: 10px; opacity: .4; }

/* ── Buttons ── */
.btn-primary {
  background: var(--gold); color: var(--dark);
  padding: 13px 32px; font-family: 'Jost', sans-serif;
  font-size: var(--fs-sm); letter-spacing: 3px; text-transform: uppercase;
  border: none; cursor: pointer; text-decoration: none;
  transition: background .3s; display: inline-block;
}
.btn-primary:hover { background: var(--gold-light); }
.btn-outline {
  background: transparent; color: var(--text);
  padding: 13px 32px; font-size: var(--fs-sm); letter-spacing: 3px;
  text-transform: uppercase; border: 1px solid var(--gold);
  text-decoration: none; transition: all .3s; display: inline-block;
}
.btn-outline:hover { background: var(--gold); color: var(--dark); }

/* ── Room cards ── */
.room-card { position: relative; overflow: hidden; cursor: pointer; background: var(--dark); }
.room-card > img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.room-card:hover > img { transform: scale(1.05); }
.room-card::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(150,114,58,.45);
  transition: opacity .4s ease;
  pointer-events: none;
}
.room-card:hover::after { opacity: 0; }
.room-slider { position: absolute; inset: 0; }
.room-slide {
  position: absolute; inset: 0;
  opacity: 0; transition: opacity .45s ease;
}
.room-slide.is-active { opacity: 1; }
.room-slide img {
  width: 100%; height: 100%;
  object-fit: cover; transition: transform .7s;
}
.room-card:hover .room-slide.is-active img { transform: scale(1.05); }
.room-slider-control {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 3; width: 42px; height: 42px;
  border: 1px solid rgba(245,240,232,.35);
  background: rgba(26,23,18,.45); color: var(--white);
  border-radius: 999px; display: inline-flex;
  align-items: center; justify-content: center;
  cursor: pointer; transition: background .3s, border-color .3s, color .3s;
}
.room-slider-control:hover,
.room-slider-control:focus-visible {
  background: rgba(184,150,90,.9);
  border-color: var(--gold-light);
  color: var(--dark);
  outline: none;
}
.room-slider-control.prev { left: 16px; }
.room-slider-control.next { right: 16px; }
.room-slider-dots {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  z-index: 3; display: flex; gap: 8px;
}
.room-slider-dot {
  width: 10px; height: 10px; border-radius: 999px;
  border: 1px solid rgba(245,240,232,.65);
  background: rgba(245,240,232,.18);
  cursor: pointer; transition: background .3s, transform .3s;
}
.room-slider-dot.is-active,
.room-slider-dot:hover,
.room-slider-dot:focus-visible {
  background: var(--gold-light);
  transform: scale(1.05);
  outline: none;
}
.room-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,23,18,.88) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px 32px;
  z-index: 2;
}
.room-tag { font-size: var(--fs-xs); letter-spacing: 3px; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; text-shadow: 0 4px 18px rgba(0,0,0,.4); }
.room-name { font-family: 'Marcellus', serif; font-size: calc(clamp(20px,2.5vw,28px) + var(--font-bump)); font-weight: 300; color: var(--white); margin-bottom: 6px; }
.room-details { font-size: var(--fs-2xs); color: rgba(245,240,232,.6); line-height: 1.6; }
.room-link {
  margin-top: 12px; font-size: var(--fs-xs); letter-spacing: 3px;
  text-transform: uppercase; color: var(--gold); text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  text-shadow: 0 4px 18px rgba(0,0,0,.4);
}
.room-link::after { content: '→'; }

/* ── FAQ accordion ── */
.faq-item { border-bottom: 1px solid rgba(184,150,90,.25); }
.faq-btn {
  width: 100%; background: none; border: none; cursor: pointer;
  padding: 22px 0;
  font-family: 'Marcellus', serif;
  font-size: calc(clamp(16px,2vw,19px) + var(--font-bump)); color: var(--dark);
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  text-align: left;
}
.faq-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.faq-icon { font-size: 20px; color: var(--gold); flex-shrink: 0; transition: transform .3s; }
.faq-btn[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  font-size: var(--fs-body-sm); line-height: 1.85; color: var(--text-light);
  padding-bottom: 18px; padding-top: 4px;
  border-top: 1px solid rgba(184,150,90,.12);
}
.faq-answer[hidden] { display: none; }

/* ── Distance table ── */
.loc-cat { margin-bottom: 24px; }
.loc-cat-title {
  font-size: var(--fs-xs); letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 8px; padding-bottom: 8px;
  border-bottom: 1px solid rgba(184,150,90,.2);
}
.dist-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid rgba(58,52,44,.07); font-size: var(--fs-body-sm);
}
.dist-item .km { color: var(--text-light); font-size: var(--fs-2xs); }

/* ── Footer ── */
.site-footer { background: var(--dark); color: rgba(237,230,216,.5); padding: 48px 48px 24px; }
.footer-top {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 32px; padding-bottom: 32px;
  border-bottom: 1px solid rgba(184,150,90,.15);
}
.footer-logo-img { height: 56px; width: auto; filter: brightness(0) invert(1) sepia(0.15); opacity: .9; }
.footer-brand p { font-size: var(--fs-2xs); line-height: 1.8; max-width: 260px; margin-top: 12px; }
.footer-col h4 { font-size: var(--fs-xs); letter-spacing: 3px; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 9px; font-size: var(--fs-2xs); }
.footer-col a { color: rgba(237,230,216,.5); text-decoration: none; transition: color .3s; }
.footer-col a:hover { color: var(--gold-light); }
.f-contact-item { margin-bottom: 10px; font-size: var(--fs-2xs); line-height: 1.6; }
.f-label { color: var(--gold); font-size: var(--fs-micro); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 2px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  font-size: var(--fs-sm); flex-wrap: wrap; gap: 10px;
}
.social-links { display: flex; gap: 16px; }
.social-links a {
  color: rgba(237,230,216,.4); text-decoration: none;
  font-size: var(--fs-sm); letter-spacing: 1px; text-transform: uppercase; transition: color .3s;
}
.social-links a:hover { color: var(--gold-light); }

/* ══════════════════════════
   RESPONSIVE
══════════════════════════ */
@media (max-width: 1024px) {
  .site-nav { padding: 0 28px; }
  .section-pad { padding: 64px 32px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .site-footer { padding: 40px 32px 20px; }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .site-nav { padding: 0 16px; height: 60px; }
  .nav-logo-img { height: 36px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .page-hero { height: 220px; }
  .section-pad { padding: 52px 20px; }
  .site-footer { padding: 40px 20px 20px; }
}

@media (max-width: 480px) {
  .section-pad { padding: 44px 16px; }
  .page-hero { height: 180px; }
  .tab-label { font-size: calc(8px + var(--font-bump)); letter-spacing: 1px; }
  .tab-icon { font-size: 18px; }
  .site-footer { padding: 36px 16px 16px; }
  .footer-top { grid-template-columns: 1fr; gap: 22px; }
  .footer-brand p { max-width: 100%; }
}