@charset "UTF-8";

/* ===== DESIGN TOKENS & VARIABLES ===== */
:root {
  /* Fluid Typography Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);

  /* Spacing System (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* Colors - Light Mode (Default) */
  --color-bg: #f8f9fa;
  --color-bg-rgb: 248, 249, 250;
  --color-surface: #ffffff;
  --color-surface-rgb: 255, 255, 255;
  --color-text: #0d1b2a;
  --color-text-muted: rgba(13, 27, 42, 0.65);
  --color-primary: #C9A84C;
  --color-primary-hover: #d4b35a;
  --color-accent: #1b263b;
  --color-border: rgba(13, 27, 42, 0.1);
  --color-input-bg: #ffffff;
  
  /* Utilities */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
  --header-height: 70px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --color-bg: #0D1B2A;
  --color-bg-rgb: 13, 27, 42;
  --color-surface: #162032;
  --color-text: #ffffff;
  --color-text-muted: rgba(255, 255, 255, 0.65);
  --color-border: rgba(255, 255, 255, 0.1);
  --color-input-bg: #0D1B2A;
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.35);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0D1B2A;
    --color-bg-rgb: 13, 27, 42;
    --color-surface: #162032;
    --color-text: #ffffff;
    --color-text-muted: rgba(255, 255, 255, 0.65);
    --color-border: rgba(255, 255, 255, 0.1);
    --color-input-bg: #0D1B2A;
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.35);
  }
}

[data-theme="light"] {
  --color-bg: #f8f9fa;
  --color-bg-rgb: 248, 249, 250;
  --color-surface: #ffffff;
  --color-text: #0d1b2a;
  --color-text-muted: rgba(13, 27, 42, 0.65);
  --color-border: rgba(13, 27, 42, 0.1);
  --color-input-bg: #ffffff;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { 
  scroll-behavior: smooth; 
  font-size: 16px; 
  scroll-padding-top: var(--header-height); /* CLS Fix for anchor links */
}
body {
  font-family: 'Inter', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}

h1, h2, h3 { font-family: 'Playfair Display', serif; text-wrap: balance; }
p { text-wrap: pretty; max-width: 72ch; margin-inline: auto; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); min-height: 44px; display: inline-flex; align-items: center; }
button { cursor: pointer; border: none; font-family: inherit; }

/* Accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-accent);
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
  transition: top 0.3s;
}
.skip-link:focus { top: 0; }

/* ===== SITE HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: rgba(var(--color-bg-rgb), 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1.5px solid var(--color-primary);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
}

.site-header__logo {
  font-family: 'Playfair Display', serif;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.03em;
}

/* Nav Menu */
.main-nav {
  display: flex;
  gap: var(--space-6);
}
.main-nav__link {
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 500;
}
.main-nav__link:hover { color: var(--color-primary); }

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle, .menu-toggle {
  background: transparent;
  color: var(--color-text);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}
.theme-toggle:hover, .menu-toggle:hover { background: var(--color-border); }
.theme-toggle:active, .menu-toggle:active { transform: scale(0.92); }

/* Mobile Menu Toggle - Hidden on desktop */
.menu-toggle { display: none; }

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background: var(--color-bg);
  z-index: 200;
  display: flex;
  flex-direction: column;
  padding: var(--space-10) var(--space-6);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu-overlay.is-active { transform: translateX(0); }

.mobile-menu__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-size: 2rem;
  color: var(--color-text);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-nav__link {
  font-size: var(--text-lg);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

/* ===== BRAND HERO ===== */
.brand-header {
  text-align: center;
  padding: var(--space-10) var(--space-6) 0;
}
.brand-header__title {
  font-size: var(--text-2xl);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.brand-header__tagline {
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== RESERVATION SECTION ===== */
.reservation {
  padding: var(--space-8) var(--space-4) var(--space-16);
  display: flex;
  justify-content: center;
}

.reservation__card {
  width: 100%;
  max-width: 820px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border-top: 3px solid var(--color-primary);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: var(--space-6);
}

.form-group { display: flex; flex-direction: column; }
.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.form-group input, .form-group select {
  background: var(--color-input-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 16px; /* Prevents iOS Zoom */
  padding: var(--space-4);
  min-height: 48px;
  width: 100%;
  transition: var(--transition);
}
.form-group input:focus, .form-group select:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}

/* Elite Active States & Focus */
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.cta-btn:active, .header-actions button:active, .main-nav__link:active, .mobile-nav__link:active {
  transform: scale(0.96);
  opacity: 0.85;
}

.cta-btn {
  display: block;
  width: 100%;
  background: var(--color-primary);
  color: #0D1B2A;
  font-size: var(--text-base);
  font-weight: 600;
  padding: var(--space-6);
  border-radius: var(--radius-md);
  margin-top: var(--space-4);
  transition: var(--transition);
}
.cta-btn:hover { background: var(--color-primary-hover); transform: translateY(-2px); }
.cta-btn:active { transform: translateY(0); }

/* ===== FEATURES & GRID ===== */
.features {
  padding: var(--space-16) var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
  content-visibility: auto; /* Performance: Defer off-screen rendering */
  contain-intrinsic-size: 0 400px;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: var(--space-8);
}
.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  text-align: left;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

/* ===== BREADCRUMBS & FAQ ===== */
.breadcrumbs {
  max-width: 820px;
  margin: var(--space-4) auto 0;
  padding: 0 var(--space-6);
  font-size: var(--text-xs);
}

.faq {
  padding: var(--space-10) var(--space-6);
  max-width: 820px;
  margin: 0 auto;
  content-visibility: auto; /* Performance: Defer off-screen rendering */
  contain-intrinsic-size: 0 300px;
}
.faq__item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  padding: var(--space-6);
  border-left: 4px solid var(--color-primary);
}

/* ===== CHAT SPECIFIC ===== */
.booking-bar { background: var(--color-surface); padding: var(--space-4) var(--space-6); font-size: var(--text-sm); color: var(--color-primary); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); border-bottom: 1px solid var(--color-border); min-height: 48px; }
.booking-bar__info { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.booking-bar__edit { font-size: var(--text-xs); flex-shrink: 0; }

.page-chat-body { overflow: hidden; height: 100dvh; }
.chat-area { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
#messages { flex: 1; overflow-y: auto; padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); }

/* Messages */
.msg { padding: 10px 14px; max-width: 80%; font-size: 0.9rem; line-height: 1.5; }
.msg--alexis { align-self: flex-start; background: var(--color-surface); border: 1px solid var(--color-primary); border-radius: 12px 12px 12px 4px; color: var(--color-text); white-space: pre-wrap; }
.msg--user { align-self: flex-end; background: var(--color-primary); border-radius: 12px 12px 4px 12px; color: #0D1B2A; font-weight: 500; }
.msg--status { align-self: flex-start; color: var(--color-text-muted); font-size: 0.85rem; padding: 4px 8px; font-style: italic; }

/* ===== RESPONSIVE BREAKPOINTS ===== */
@media (max-width: 768px) {
  .site-header { padding: 0 var(--space-4); }
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  
  .reservation__card { padding: var(--space-6) var(--space-4); }
  .features { padding: var(--space-10) var(--space-4); }
}

@media (hover: none) {
  .feature-card:hover { transform: none; box-shadow: var(--shadow-sm); }
  .cta-btn:hover { background: var(--color-primary); transform: none; }
}

/* Utility to center center-align only specific items */
.text-center { text-align: center; margin-left: auto; margin-right: auto; }
.max-width-72ch { max-width: 72ch; }