/* ===========================================================
   main.css — global styles, navbar, footer, buttons
   =========================================================== */

/* ---------------- Global ---------------- */
body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--color-text);
  background: var(--color-bg);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
}

h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-xl); }

.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding-inline: var(--section-pad-x);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-2);
}

/* ---------------- Buttons ---------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  font-size: var(--fs-base);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-full);
  overflow: hidden;
  transition: transform var(--t-fast), box-shadow var(--t-base),
              background var(--t-base), color var(--t-base);
  will-change: transform;
  --btn-glow: var(--color-primary);
}

/* Neon edge lines, pill-shaped buttons only (not .btn--ghost, a text link) */
.btn--primary::before,
.btn--primary::after,
.btn--outline::before,
.btn--outline::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 1px;
  opacity: 0;
  background: linear-gradient(90deg, transparent, var(--btn-glow), transparent);
  transition: opacity var(--t-base);
  pointer-events: none;
}
.btn--primary::before, .btn--outline::before { top: 0; }
.btn--primary::after,  .btn--outline::after  { bottom: 0; }
.btn--primary:hover::before, .btn--primary:hover::after,
.btn--outline:hover::before, .btn--outline:hover::after { opacity: 1; }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
  --btn-glow: rgba(255, 255, 255, 0.85);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.btn--primary:active { transform: translateY(0) scale(0.96); }

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-text);
}
.btn--outline:hover {
  background: var(--color-text);
  color: #fff;
  transform: translateY(-2px);
}
.btn--outline:active { transform: translateY(0) scale(0.96); }

.btn--ghost {
  padding: 0.4rem 0;
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  border-radius: 0;
  font-weight: 500;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.btn--ghost:hover { border-bottom-color: var(--color-accent); }
.btn--ghost:active { transform: scale(0.96); }

.btn--full { width: 100%; }

/* ---------------- Sections base ---------------- */
.section {
  padding: var(--section-pad-y) 0;
}
.section--surface { background: var(--color-surface); }

.section__head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-8);
}

/* ---------------- Placeholder image ---------------- */
.placeholder-img {
  width: 100%;
  background: linear-gradient(135deg, #E8E2D9 0%, #D4CFC8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  user-select: none;
}

/* ---------------- Navbar ---------------- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--navbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--section-pad-x);
  z-index: var(--z-navbar);
  transition: background var(--t-base), box-shadow var(--t-base);
}

#navbar .navbar__logo {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  color: #fff;
  transition: color var(--t-base);
}

.navbar__links {
  display: flex;
  gap: var(--space-4);
}
.navbar__links a {
  position: relative;
  font-size: 0.95rem;
  color: #fff;
  padding: 0.25rem 0;
  transition: color var(--t-base);
}
.navbar__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1.5px;
  background: var(--color-primary);
  transition: width var(--t-base);
}
.navbar__links a:hover::after,
.navbar__links a.active::after { width: 100%; }
.navbar__links a.active { color: var(--color-primary); }

.navbar__lang {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: #fff;
}
.lang-btn {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  opacity: 0.6;
  color: inherit;
  transition: opacity var(--t-fast);
}
.lang-btn.active { opacity: 1; color: var(--color-primary); }
.lang-btn:hover { opacity: 1; }

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
}
.navbar__hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: #fff;
  transition: transform var(--t-base), opacity var(--t-base);
}

/* Scrolled state */
#navbar.scrolled {
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
}
#navbar.scrolled .navbar__logo,
#navbar.scrolled .navbar__links a,
#navbar.scrolled .navbar__lang { color: var(--color-text); }
#navbar.scrolled .navbar__hamburger span { background: var(--color-text); }
#navbar.scrolled .navbar__links a.active,
#navbar.scrolled .lang-btn.active { color: var(--color-primary-dark); }

/* Hamburger open animation */
.navbar__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; }
.navbar__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- Mobile menu ---------------- */
.mobile-menu {
  position: fixed;
  top: var(--navbar-h);
  left: 0; right: 0;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: var(--space-2) var(--section-pad-x) var(--space-4);
  box-shadow: var(--shadow-md);
  transform: translateY(-120%);
  transition: transform var(--t-base);
  z-index: calc(var(--z-navbar) - 1);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a {
  padding: var(--space-2) 0;
  font-size: var(--fs-md);
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu a:last-child { border-bottom: none; }

/* ---------------- Reveal animation ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
  transition: opacity var(--t-slow), transform var(--t-slow), filter var(--t-slow);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
  filter: blur(0);
}

/* Cascade stagger for card grids (rooms, experiences) */
.rooms__grid .room-card:nth-child(1),
.experiences__strip .exp-card:nth-child(1) { transition-delay: 0ms; }
.rooms__grid .room-card:nth-child(2),
.experiences__strip .exp-card:nth-child(2) { transition-delay: 80ms; }
.rooms__grid .room-card:nth-child(3),
.experiences__strip .exp-card:nth-child(3) { transition-delay: 160ms; }
.rooms__grid .room-card:nth-child(4),
.experiences__strip .exp-card:nth-child(4) { transition-delay: 240ms; }

/* ---------------- Footer ---------------- */
.footer {
  background: var(--color-deep);
  color: #fff;
  padding-top: var(--space-10);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-8);
}
.footer__logo {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
}
.footer__tag {
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-1);
}
.footer__col { display: flex; flex-direction: column; gap: var(--space-2); }
.footer__links a,
.footer__contacts a {
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--t-fast);
}
.footer__links a:hover,
.footer__contacts a:hover { color: var(--color-primary); }
.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-1);
}
.footer__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--section-pad-x);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
}

/* ---------------- Reduced motion ---------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
.footer__bar a:hover { color: var(--color-primary); }