/* ==========================================================================
   MANNAR GREEN RIDE (MGR) - GLOBAL DESIGN SYSTEM & STYLESHEET
   Global Color Scheme: Configured via CSS Custom Properties for easy changing.
   Palette inspired by Seed Color: #12edae (Tetradic Harmony)
   ========================================================================== */

:root {
  /* ========================================================================
     1. GLOBAL COLOR PALETTE (EDIT HERE TO CHANGE ENTIRE SITE THEME EASILY)
     ======================================================================== */
  --theme-primary: #12edae;            /* Main Aqua / Mint / Cyan (#12edae from image) */
  --theme-primary-hover: #0dbd8a;      /* Deeper primary on hover */
  --theme-primary-dark: #097958;       /* High-contrast dark emerald for text & borders */
  --theme-primary-soft: #eafdf7;       /* Ultra-soft background tint */
  --theme-primary-glow: rgba(18, 237, 174, 0.35);

  /* Secondary Tetradic Accents */
  --theme-indigo: #4f46e5;            /* Tetradic Indigo Blue from image */
  --theme-indigo-dark: #3730a3;
  --theme-indigo-soft: #eef2ff;

  --theme-rose: #e11d48;              /* Tetradic Vivid Crimson / Rose from image */
  --theme-rose-soft: #ffe4e6;

  --theme-lime: #84cc16;              /* Tetradic Lime Yellow-Green from image */
  --theme-lime-soft: #f7fee7;

  /* Neutrals */
  --theme-dark: #0f172a;              /* Slate 900 text */
  --theme-body-bg: #f8fafc;           /* Light surface */
  --theme-card-bg: #ffffff;           /* Crisp white cards */
  --theme-border: #e2e8f0;            /* Subtle borders */
  --theme-muted: #64748b;             /* Subtext muted */

  /* Direct WhatsApp Colors */
  --whatsapp-color: #25D366;
  --whatsapp-dark: #128C7E;

  /* ========================================================================
     2. NAVIGATION BUTTON TOKENS (UNIFORM SIZE & THEME COLORS)
     ======================================================================== */
  --nav-btn-min-width: 96px;
  --nav-btn-height: 42px;
  --nav-btn-bg: #f1f5f9;              /* Uniform default background */
  --nav-btn-text: #1e293b;            /* Uniform default text */
  --nav-btn-border: #cbd5e1;          /* Uniform default border */
  
  --nav-btn-hover-bg: var(--theme-primary);        /* Hover background (#12edae theme primary) */
  --nav-btn-hover-text: #064e3b;                  /* Hover text (crisp dark contrast) */
  --nav-btn-hover-border: var(--theme-primary-hover);

  --nav-btn-active-bg: var(--theme-primary-dark);  /* Active page background (distinct deep emerald) */
  --nav-btn-active-text: #ffffff;                 /* Active text (bright white) */
  --nav-btn-active-border: #065f46;
  --nav-btn-active-glow: 0 4px 14px rgba(9, 121, 88, 0.35);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.05);
}

/* Global resets & typography */
html {
  scroll-behavior: smooth;
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans Tamil', 'Noto Sans Sinhala', sans-serif;
}

body {
  background-color: var(--theme-body-bg);
  color: var(--theme-dark);
  overflow-x: hidden;
  line-height: 1.5;
}

/* Light-themed Hero Background with clean overlay */
.hero-light-bg {
  background: linear-gradient(rgba(234, 253, 247, 0.92), rgba(255, 255, 255, 0.96)), 
              url('https://images.unsplash.com/photo-1544197150-b99a580bb7a8?auto=format&fit=crop&q=80&w=1600') center/cover no-repeat;
}

/* Glassmorphic Navbar */
.glass-nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
}

/* ==========================================================================
   NAVIGATION BUTTONS: UNIFORM SIZE, HOVER & ACTIVE DISPLAY
   ========================================================================== */
.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--nav-btn-min-width);
  height: var(--nav-btn-height);
  padding: 4px 10px;
  font-size: 0.775rem;
  font-weight: 700;
  border-radius: 0.75rem;
  background-color: var(--nav-btn-bg);
  color: var(--nav-btn-text);
  border: 1px solid var(--nav-btn-border);
  box-shadow: var(--shadow-sm);
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: normal;
  text-align: center;
  line-height: 1.15;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
}

/* Mouse Hover State: changes to primary theme color (#12edae) */
.nav-btn:hover {
  background-color: var(--nav-btn-hover-bg);
  color: var(--nav-btn-hover-text);
  border-color: var(--nav-btn-hover-border);
  transform: translateY(-1.5px);
  box-shadow: 0 4px 12px var(--theme-primary-glow);
}

/* Active Page State: distinctly colored in deep theme emerald */
.nav-btn.active {
  background-color: var(--nav-btn-active-bg);
  color: var(--nav-btn-active-text);
  border-color: var(--nav-btn-active-border);
  box-shadow: var(--nav-btn-active-glow);
  transform: translateY(0);
}

/* Language Dropdown Button: Same uniform height and appearance */
.lang-btn-container {
  display: inline-flex;
  align-items: center;
  height: var(--nav-btn-height);
  padding: 0 12px;
  border-radius: 0.75rem;
  background-color: var(--nav-btn-bg);
  border: 1px solid var(--nav-btn-border);
  box-shadow: var(--shadow-sm);
  transition: all 0.22s ease;
}

.lang-btn-container:hover,
.lang-btn-container:focus-within {
  border-color: var(--theme-primary-hover);
  box-shadow: 0 0 0 2px var(--theme-primary-glow);
  background-color: #ffffff;
}

/* ==========================================================================
   GLOBAL THEME UTILITY HELPERS (CHANGE IN :root TO APPLY EVERYWHERE)
   ========================================================================== */
.text-theme-primary { color: var(--theme-primary-dark) !important; }
.bg-theme-primary { background-color: var(--theme-primary-dark) !important; }
.border-theme-primary { border-color: var(--theme-primary-dark) !important; }

.text-theme-bright { color: var(--theme-primary) !important; }
.bg-theme-bright { background-color: var(--theme-primary) !important; }
.border-theme-bright { border-color: var(--theme-primary) !important; }

.bg-theme-soft { background-color: var(--theme-primary-soft) !important; }
.border-theme-soft { border-color: rgba(18, 237, 174, 0.3) !important; }

.text-theme-indigo { color: var(--theme-indigo) !important; }
.bg-theme-indigo { background-color: var(--theme-indigo) !important; }

.text-theme-rose { color: var(--theme-rose) !important; }
.bg-theme-rose { background-color: var(--theme-rose) !important; }

.text-theme-lime { color: var(--theme-lime) !important; }
.bg-theme-lime { background-color: var(--theme-lime) !important; }

/* Continuous Review Marquee */
@keyframes scrollMarquee {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-50%);
  }
}

.animate-marquee {
  display: flex;
  width: max-content;
  animation: scrollMarquee 40s linear infinite;
}

.animate-marquee:hover {
  animation-play-state: paused;
}

/* Floating Action WhatsApp Button */
.floating-wa-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--whatsapp-color);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 9999px;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  font-weight: 700;
  font-size: 0.875rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.floating-wa-btn:hover {
  background-color: var(--whatsapp-dark);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 15px 30px rgba(18, 140, 126, 0.5);
}

.floating-wa-btn .pulse-ring {
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 9999px;
  border: 2px solid var(--whatsapp-color);
  animation: waPulse 2s infinite;
  pointer-events: none;
}

@keyframes waPulse {
  0% {
    transform: scale(0.95);
    opacity: 0.8;
  }
  70% {
    transform: scale(1.15);
    opacity: 0;
  }
  100% {
    transform: scale(1.15);
    opacity: 0;
  }
}

/* Card hover animation */
.card-hover {
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Focus rings */
.form-input-focus:focus {
  outline: none;
  border-color: var(--theme-primary-hover);
  box-shadow: 0 0 0 3px var(--theme-primary-glow);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .animate-marquee {
    animation: none;
    overflow-x: auto;
  }
  .floating-wa-btn .pulse-ring {
    animation: none;
  }
}