/* 
==================================================
   HRIDHYAS BEACH VILLA - DESIGN SYSTEM
================================================== 
*/

:root {
  /* Colors */
  --primary: #164A3A;     /* Deep Kerala green */
  --secondary: #2F6B50;   /* Coconut leaf green */
  --accent: #C89B55;      /* Muted gold */
  --bg-main: #F8F5EE;     /* Ivory / Off-white */
  --dark: #17211D;        /* Dark charcoal */
  --white: #FFFFFF;
  --text-main: #333333;
  --text-muted: #666666;
  
  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 2rem;
  --sp-lg: 4rem;
  --sp-xl: 6rem;
  
  /* UI Elements */
  --radius: 8px;
  --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 25px rgba(0,0,0,0.08);
  --transition: all 0.3s ease;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary);
  font-weight: 600;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Typography Utilities */
.h-xl { font-size: clamp(2.5rem, 5vw, 4.5rem); }
.h-lg { font-size: clamp(2rem, 4vw, 3.5rem); }
.h-md { font-size: clamp(1.75rem, 3vw, 2.5rem); }
.h-sm { font-size: clamp(1.25rem, 2vw, 1.75rem); }

.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-white { color: var(--white); }
.subtitle { font-size: 1.1rem; color: var(--text-muted); margin-bottom: var(--sp-md); }
.kerala-label { 
  font-family: var(--font-body); 
  text-transform: uppercase; 
  letter-spacing: 2px; 
  font-size: 0.85rem; 
  color: var(--accent);
  font-weight: 600;
  display: block;
  margin-bottom: var(--sp-sm);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: var(--sp-xl) 0;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-md); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--accent);
  color: var(--white);
}

.btn-accent:hover {
  background-color: #b5894b;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--white);
}

.btn-outline-white:hover {
  background-color: var(--white);
  color: var(--primary);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  padding: 1rem 0;
}

.header.scrolled {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  padding: 0.5rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-icon svg {
  width: 45px;
  height: 45px;
  color: var(--white);
  transition: var(--transition);
}

.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-text h3 {
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.4rem;
  letter-spacing: 2px;
  margin-bottom: 0;
  transition: var(--transition);
}

.brand-text span {
  font-size: 0.7rem;
  letter-spacing: 3px;
  color: var(--white);
  transition: var(--transition);
}

.header.scrolled .brand-icon svg,
.header.scrolled .brand-text h3 {
  color: var(--primary) !important;
}

.header.scrolled .brand-text span {
  color: var(--accent) !important;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--white);
}

.header.scrolled .nav-links a {
  color: var(--primary) !important;
}
.header.scrolled .nav-links a.btn-primary {
  color: var(--white) !important;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent) !important;
}

/* Mobile Menu Button */
.menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}
.header.scrolled .menu-btn { color: var(--primary); }

/* Hero Slider */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background-color: var(--dark);
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.5s ease-in-out, visibility 1.5s;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1);
  transition: transform 6s ease-out; /* Subtle Ken Burns */
}

.hero-slide.active .hero-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(23, 33, 29, 0.4), rgba(23, 33, 29, 0.7));
}

.hero-content {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-top: 5rem;
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 1s ease 0.5s;
}

.hero-content p {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 600px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 1s ease 0.7s;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 1s ease 0.9s;
}

.hero-slide.active .hero-content h1,
.hero-slide.active .hero-content p,
.hero-slide.active .hero-buttons {
  opacity: 1;
  transform: translateY(0);
}

/* Slider Controls */
.slider-controls {
  position: absolute;
  bottom: 3rem;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 1rem;
  z-index: 20;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  background-color: var(--white);
  transform: scale(1.2);
}

/* Highlight Bar */
.highlight-bar {
  background-color: var(--primary);
  color: var(--white);
  padding: 3rem 0;
}

.highlight-item {
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.highlight-item:last-child { border-right: none; }
.highlight-item i { font-size: 2rem; color: var(--accent); margin-bottom: 1rem; }
.highlight-item h3 { color: var(--white); margin-bottom: 0.5rem; font-size: 1.25rem; }
.highlight-item p { color: rgba(255,255,255,0.8); font-size: 0.9rem; }

/* General Cards */
.card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.card-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

/* Booking Actions */
.booking-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
}

/* Footer */
.footer {
  background-color: var(--primary);
  color: var(--white);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--accent);
  margin-bottom: 1.5rem;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 1rem;
}

.footer-links {
  list-style: none;
}
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: rgba(255,255,255,0.8); }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow-md);
  z-index: 100;
  transition: var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1);
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: var(--sp-lg) 0; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  
  .menu-btn { display: block; }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 250px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 5rem 2rem;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    transition: var(--transition);
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-links a { color: var(--primary); font-size: 1.1rem; }
  .nav-links a.btn-primary { color: var(--white) !important; padding: 1rem 2rem; }
  
  .highlight-item {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 1.5rem 0;
  }
  .highlight-item:last-child { border-bottom: none; }
  
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }

  .booking-actions {
    flex-direction: column;
    width: 100%;
  }
  .booking-actions button {
    width: 100%;
  }
  .or-divider {
    margin: 0.5rem 0;
  }
}

/* Utilities */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Services Dual-Pane Layout */
.services-layout {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
}

.services-sidebar {
  flex: 0 0 250px;
  position: sticky;
  top: 100px;
}

.services-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.services-nav a {
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: all 0.3s ease;
  font-weight: 500;
}

.services-nav a:hover, .services-nav a.active {
  color: var(--primary);
  border-left-color: var(--accent);
  background: rgba(43, 76, 59, 0.05);
}

.services-content {
  flex: 1;
}

@media (max-width: 992px) {
  .services-layout {
    flex-direction: column;
  }
  
  .services-sidebar {
    position: relative;
    top: 0;
    width: 100%;
    flex: none;
    margin-bottom: 2rem;
  }
  
  .services-nav {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
  }
  
  .services-nav a {
    white-space: nowrap;
    border-left: none;
    border-bottom: 2px solid transparent;
  }
  
  .services-nav a:hover, .services-nav a.active {
    border-left-color: transparent;
    border-bottom-color: var(--accent);
  }
}
/* Booking Layout */
.booking-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.booking-image-panel {
  background: linear-gradient(rgba(23, 33, 29, 0.7), rgba(23, 33, 29, 0.7)), url('../images/gallery/property/kattoorhomestay4.webp') center/cover;
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
}

.booking-image-content h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--white);
}

.booking-highlights {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.booking-highlights span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.booking-highlights span::before {
  content: '\2713';
  color: var(--accent);
  font-weight: bold;
}

.booking-form-panel {
  padding: 3rem;
}

@media (max-width: 992px) {
  .booking-layout {
    grid-template-columns: 1fr;
  }
  .booking-image-panel {
    min-height: 300px;
    padding: 2rem;
  }
  .booking-form-panel {
    padding: 2rem;
  }
}